{"title":"SFX-Based OLED Building Block","description":null,"products":[{"product_id":"a019001824","title":"N2,N2,N7,N7-Tetraphenyloxirane[fluorene-9,9'-oxanthene]-2,7-diamine, 95% | 1160862-06-5","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eN2,N2,N7,N7-Tetraphenyloxirane\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-oxanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-2,7-diamine, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001824\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1160862-06-5\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC49H34N2O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e666.81\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e90153756\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2-N,2-N,7-N,7-N-tetraphenylspiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-2,7-diamine\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eGDMVSHBWCXDBSO-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C(C=C1)N(C2=CC=CC=C2)C3=CC4=C(C=C3)C5=C(C46C7=CC=CC=C7OC8=CC=CC=C68)C=C(C=C5)N(C9=CC=CC=C9)C1=CC=CC=C1\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003e\n        \u003cspan style=\"display: block;\"\u003eReferences\u003c\/span\u003e\n        \u003cspan style=\"display: block; font-size: 1.2rem; color: #777; font-weight: lighter;\"\u003eData Source From Pubchem\u003c\/span\u003e\n    \u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1021\/acs.jpcc.0c09702\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eOrganic Micro-\/Nanocrystals of SFX-Based Attractor–Repulsor Molecules with the Feature of Crystal-Induced Luminescence Enhancement\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: The Journal of Physical Chemistry C\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2021-03-05\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1021\/acs.jpcc.0c09702\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n    \u003c\/div\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×1G","offer_id":45728440090814,"sku":"JK9001824_1_G","price":671.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001824.png?v=1788915507"},{"product_id":"a019001825","title":"Spiro[fluorene-9,9'-xanthen]-2-yl-diphenyl phosphine oxide, 98% | 1346002-80-9","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthen\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-2-yl-diphenyl phosphine oxide, 98%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001825\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1346002-80-9\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC37H25O2P\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e532.57\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e101551048\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2-diphenylphosphorylspiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eQTDLDVQCRSLBCU-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C(C=C1)P(=O)(C2=CC=CC=C2)C3=CC4=C(C=C3)C5=CC=CC=C5C46C7=CC=CC=C7OC8=CC=CC=C68\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45727431688382,"sku":"JK9001825_500_MG","price":522.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001825.png?v=1787982222"},{"product_id":"a019001826","title":"Spiro[fluorene-9,9'-xanthen]-2'-yl-diphenyl phosphine oxide, 95% | 1346002-82-1","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthen\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-2'-yl-diphenyl phosphine oxide, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001826\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1346002-82-1\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC37H25O2P\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e532.57\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e101551047\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2'-diphenylphosphorylspiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eGCNYDQPISZQZDD-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C(C=C1)P(=O)(C2=CC=CC=C2)C3=CC4=C(C=C3)OC5=CC=CC=C5C46C7=CC=CC=C7C8=CC=CC=C68\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45728440418494,"sku":"JK9001826_500_MG","price":746.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/38e0c1cd383e1fc9460f50ac417d8fe6.jpg?v=1787982222"},{"product_id":"a019001828","title":"Spiro[fluorene-9,9'-xanthene]-2,7-diylbis(diphenylphosphine oxide), 95% | 1346002-81-0","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-2,7-diylbis(diphenylphosphine oxide), 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001828\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1346002-81-0\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC49H34O3P2\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e732.74\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e88535739\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2,7-bis(diphenylphosphoryl)spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eBFPBFISLGKUIFF-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C(C=C1)P(=O)(C2=CC=CC=C2)C3=CC4=C(C=C3)C5=C(C46C7=CC=CC=C7OC8=CC=CC=C68)C=C(C=C5)P(=O)(C9=CC=CC=C9)C1=CC=CC=C1\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45727431721150,"sku":"JK9001828_500_MG","price":671.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/6bf582c66c9dbb8fd707bff64369ac60.jpg?v=1787982221"},{"product_id":"a019001829","title":"2',7'-Dicyano-spiro[fluorene-9,9'-xanthene], 95% | 152480-82-5","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2',7'-Dicyano-spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001829\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e152480-82-5\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC27H14N2O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e382.41\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e23369066\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003espiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-2',7'-dicarbonitrile\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eFFVNMWLKLNIJRC-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C=CC(=C5)C#N)OC6=C4C=C(C=C6)C#N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45727431819454,"sku":"JK9001829_500_MG","price":820.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001829.png?v=1787982217"},{"product_id":"a019001831","title":"Spiro[fluorene-9,7'-dibenzo[c,h]acridine], 95% | 1303969-19-8","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001831\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1303969-19-8\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H21N\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e431.53\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e53307740\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003espiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),3(12),4,6,8,10,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eUYZBTEMCOXUCMF-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2NC4=C(C35C6=CC=CC=C6C7=CC=CC=C57)C=CC8=CC=CC=C84\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45727431884990,"sku":"JK9001831_500_MG","price":708.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001831.png?v=1787982212"},{"product_id":"a019001832","title":"2-Bromospiro[fluorene-9,7'-dibenzo[c,h]acridine], 95% | 1303969-20-1","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001832\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1303969-20-1\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H20BrN\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e510.42\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e53307741\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2'-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),3(12),4,6,8,10,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eXNJNWUSFEDTTAU-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2NC4=C(C35C6=CC=CC=C6C7=C5C=C(C=C7)Br)C=CC8=CC=CC=C84\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45727431983294,"sku":"JK9001832_500_MG","price":895.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001832.png?v=1787982212"},{"product_id":"a019001833","title":"2,7-Dibromospiro[fluorene-9,7'-dibenzo[c,h]acridine], 95% | 1303969-21-2","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001833\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1303969-21-2\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H19Br2N\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e589.32\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e53307827\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2',7'-dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),3(12),4,6,8,10,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eXHZWGHZABGMGIU-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2NC4=C(C35C6=C(C=CC(=C6)Br)C7=C5C=C(C=C7)Br)C=CC8=CC=CC=C84\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×500MG","offer_id":45728441204926,"sku":"JK9001833_500_MG","price":858.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001833.png?v=1787982210"},{"product_id":"a019001836","title":"2,7-Dibromospiro[fluorene-9,7'-dibenzo[c,h]acridine]-5'-one, 95% | 1345890-47-2","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-5'-one, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001836\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1345890-47-2\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H17Br2NO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e603.30\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e154728308\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2',7'-dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),2,4,6,8,11,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-10-one\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eUWDNDCSKLQYBOV-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2N=C4C5=CC=CC=C5C(=O)C=C4C36C7=C(C=CC(=C7)Br)C8=C6C=C(C=C8)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×250MG","offer_id":45727432016062,"sku":"JK9001836_250_MG","price":835.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001836.png?v=1787982206"},{"product_id":"a019001835","title":"2-Bromospiro[fluorene-9,7'-dibenzo[c,h]acridine]-5'-one, 95% | 1345890-46-1","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-5'-one, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001835\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1345890-46-1\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H18BrNO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e524.41\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e169544922\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2'-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),2,4,6,8,11,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-10-one\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eZKNNYGGVYGXLHA-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2N=C4C5=CC=CC=C5C(=O)C=C4C36C7=CC=CC=C7C8=C6C=C(C=C8)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×250MG","offer_id":45733930434750,"sku":"JK9001835_250_MG","price":626.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001835.png?v=1787982206"},{"product_id":"a019001837","title":"9'-Bromospiro(fluorene-9,7'-dibenzo(c,h)acridine)-5'-one, 95% | 1449317-74-1","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9'-Bromospiro(fluorene-9,7'-dibenzo(c,h)acridine)-5'-one, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001837\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1449317-74-1\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H18BrNO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e524.41\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e169544921\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e16-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),2,4,6,8,11,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-10-one\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eLHDWYKZFDGLOAL-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C(=CC3=C2N=C4C5=CC=CC=C5C(=O)C=C4C36C7=CC=CC=C7C8=CC=CC=C68)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×250MG","offer_id":45728441794750,"sku":"JK9001837_250_MG","price":955.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001837.png?v=1787982202"},{"product_id":"a019001838","title":"9'-(Pyren-1-yl)-spiro[fluorene-9,7'-dibenzo[c,h]acridine]-5'-one, 95% | 1447967-93-2","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9'-(Pyren-1-yl)-spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-5'-one, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001838\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1447967-93-2\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC49H27NO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e645.74\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e102444021\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e16-pyren-1-ylspiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),2,4,6,8,11,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-10-one\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eGYVIZGPXIHVMGI-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C(=CC3=C2N=C4C5=CC=CC=C5C(=O)C=C4C36C7=CC=CC=C7C8=CC=CC=C68)C9=C1C=CC2=CC=CC3=C2C1=C(C=C3)C=C9\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×250MG","offer_id":45728442286270,"sku":"JK9001838_250_MG","price":1194.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001838.png?v=1787982202"},{"product_id":"a019001834","title":"Spiro[fluorene-9,7'-dibenzo[c,h]acridine]-5'-one, 95% | 1345890-45-0","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003eacridine\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-5'-one, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001834\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1345890-45-0\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H19NO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e445.51\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e123814553\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003espiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-azapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),2,4,6,8,11,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e-10-one\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eSYIRVEAUWORVQQ-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2N=C4C5=CC=CC=C5C(=O)C=C4C36C7=CC=CC=C7C8=CC=CC=C68\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003e\n        \u003cspan style=\"display: block;\"\u003eReferences\u003c\/span\u003e\n        \u003cspan style=\"display: block; font-size: 1.2rem; color: #777; font-weight: lighter;\"\u003eData Source From Pubchem\u003c\/span\u003e\n    \u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1007\/s12274-022-4549-2\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eTwo-dimensional molecular crystalline semiconductors towards advanced organic optoelectronics\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Nano Research\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2022-06-24\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s12274-022-4549-2\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1007\/s10118-017-1897-6\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eProgress in fluorene-based wide-bandgap steric semiconductors\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Chinese Journal of Polymer Science\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2016-12-30\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s10118-017-1897-6\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22575153\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eKinetically Controlled Assembly of a Spirocyclic Aromatic Hydrocarbon into Polyhedral Micro\/Nanocrystals\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: ACS Nano\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2012-05-16\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1021\/nn3011398\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.5517\/ccwnc73\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eCCDC 823925: Experimental Crystal Structure Determination\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2012\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.5517\/ccwnc73\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n    \u003c\/div\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×250MG","offer_id":45728245907646,"sku":"JK9001834_250_MG","price":708.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001834_658653b1-36cd-4e71-8707-ef555dfee2a6.png?v=1787982207"},{"product_id":"ts246cs-0095289","title":"2-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] | 899422-06-1","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display:  unset ;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e9H-fluorene-9,9'-\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e9H\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003exanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eChemScene\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eCS-0095289\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e899422-06-1\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e11546047\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eMNBDZJINQUZDFP-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=C(C24C5=CC=CC=C5OC6=CC=CC=C46)C=C(C=C3)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003e\n        \u003cspan style=\"display: block;\"\u003eReferences\u003c\/span\u003e\n        \u003cspan style=\"display: block; font-size: 1.2rem; color: #777; font-weight: lighter;\"\u003eData Source From Pubchem\u003c\/span\u003e\n    \u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1055\/s-2006-942036\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eAn Efficient One-Pot Synthesis of Spiro[fluorene-9,9′-xanthene]\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Synfacts\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2006-09\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1055\/s-2006-942036\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n    \u003c\/div\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"ChemScene","offers":[{"title":"1×10g","offer_id":45889568276670,"sku":"TS246CS-0095289_10_G","price":56.4,"currency_code":"USD","in_stock":true},{"title":"1×5g","offer_id":45889568309438,"sku":"TS246CS-0095289_5_G","price":28.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/4a7fc43ea7156565294e6fa2b12bcb4d.jpg?v=1787855938"},{"product_id":"a019001822","title":"3'-Bromospiro[fluorene-9,9'-xanthene], 90% | 1621397-55-4","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e3'-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 90%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001822\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1621397-55-4\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H15BrO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e411.29\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e139442464\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e3'-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eUBZULIKBHMSKKU-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C=C(C=C5)Br)OC6=CC=CC=C46\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×1G","offer_id":46419970326718,"sku":"JK9001822_1_G","price":671.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001822_3d516ba6-fe1a-46ad-8113-46ab530e043e.png?v=1787982226"},{"product_id":"a019001823","title":"2'-Bromospiro[fluorene-9,9'-xanthene], 90% | 1477458-14-2","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2'-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 90%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001823\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1477458-14-2\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H15BrO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e411.29\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e90153653\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2'-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eKMSXKCVWGSWZGB-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=CC=CC=C5OC6=C4C=C(C=C6)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eProperties\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eDensity\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e1.54\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eMelting Point\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e197\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eBoiling Point\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e511.7\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eStorage Condition\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Room temperature\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×250MG","offer_id":46419970359486,"sku":"JK9001823_250_MG","price":223.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/4ec02149a537b237278c4b8cf0855499.jpg?v=1788915507"},{"product_id":"a019001821","title":"2,2',7,7'-Tetrabromospiro[fluorene-9,9'-xanthene], 95% | 1338596-81-8","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2,2',7,7'-Tetrabromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001821\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1338596-81-8\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H12Br4O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e647.98\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e101966787\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2,2',7,7'-tetrabromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eWKLIXKSNYFAGEH-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC2=C(C=C1Br)C3(C4=C2C=CC(=C4)Br)C5=C(C=CC(=C5)Br)OC6=C3C=C(C=C6)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×1G","offer_id":46421103575230,"sku":"JK9001821_1_G","price":194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001821.png?v=1787982231"},{"product_id":"a019001830","title":"2,7-Dibromospiro[fluorene-9,7'-dibenzo[c,h]xanthene], 95% | 1185855-23-5","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,7'-dibenzo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003ec,h\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003exanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001830\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1185855-23-5\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC33H18Br2O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e590.30\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e89853978\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2',7'-dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e2-oxapentacyclo\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e12.8.0.03,12.04,9.017,22\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003edocosa-1(14),3(12),4,6,8,10,15,17,19,21-decaene-13,9'-fluorene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eYRMJXXOFGQYTNB-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C=CC3=C2OC4=C(C35C6=C(C=CC(=C6)Br)C7=C5C=C(C=C7)Br)C=CC8=CC=CC=C84\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003e\n        \u003cspan style=\"display: block;\"\u003eReferences\u003c\/span\u003e\n        \u003cspan style=\"display: block; font-size: 1.2rem; color: #777; font-weight: lighter;\"\u003eData Source From Pubchem\u003c\/span\u003e\n    \u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1007\/s10118-022-2824-z\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eA Facile Strategy for Intrinsic Low-Dk and Low-Df Polyimides Enabled by Spirobifluorene Groups\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Chinese Journal of Polymer Science\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2022-09-06\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s10118-022-2824-z\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n    \u003c\/div\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×1G","offer_id":45404290875582,"sku":"JK9001830_1_G","price":200.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001830.png?v=1788915502"},{"product_id":"a011784534","title":"2-Bromospir[fluorene-9,9'-xanthene], 95% | 899422-06-1","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2-Bromospir\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1784534\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e899422-06-1\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H15BrO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e411.29\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eSDS Document\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003ca href=\"https:\/\/web.jkchemical.com\/partial\/productMsdsFileByProductId\/EN\/14884\/1\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eView\/Download\u003c\/a\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e11546047\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eMNBDZJINQUZDFP-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=C(C24C5=CC=CC=C5OC6=CC=CC=C46)C=C(C=C3)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003ep262\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003e\n        \u003cspan style=\"display: block;\"\u003eReferences\u003c\/span\u003e\n        \u003cspan style=\"display: block; font-size: 1.2rem; color: #777; font-weight: lighter;\"\u003eData Source From Pubchem\u003c\/span\u003e\n    \u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1055\/s-2006-942036\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eAn Efficient One-Pot Synthesis of Spiro[fluorene-9,9′-xanthene]\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Synfacts\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2006-09\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1055\/s-2006-942036\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n    \u003c\/div\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×5G","offer_id":45433273188542,"sku":"JK1784534_5_G","price":142.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/4a7fc43ea7156565294e6fa2b12bcb4d_c99f2bd8-9eba-4e5d-8ba8-766ace540334.jpg?v=1788929125"},{"product_id":"a011784533","title":"Spiro[fluorene-9,9'-xanthene], 95% | 159-62-6","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1784533\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e159-62-6\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H16O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e332.39\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eSDS Document\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003ca href=\"https:\/\/web.jkchemical.com\/partial\/productMsdsFileByProductId\/EN\/14885\/1\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eView\/Download\u003c\/a\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSynonyms\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eSpiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e9H-​fluorene-​9,​9'-​\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e9H\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e​xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e22015965\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003espiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eQQNLHOMPVNTETJ-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=CC=CC=C5OC6=CC=CC=C46\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP262\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003e\n        \u003cspan style=\"display: block;\"\u003eReferences\u003c\/span\u003e\n        \u003cspan style=\"display: block; font-size: 1.2rem; color: #777; font-weight: lighter;\"\u003eData Source From Pubchem\u003c\/span\u003e\n    \u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41042434\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eOptimizing Charge Transport Properties of Dithieno[3,2-b:2′,3′-d] Pyrrole-Based Hole Transport Materials for Perovskite Solar Cells: a DFT Study\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Journal of Fluorescence\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2025-10-03\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s10895-025-04565-8\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39680345\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eAn Intervention into the Diverse Utilities of Fluorenes: A Brobdingnagian Family\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Topics in current chemistry (Cham)\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2024-12-16\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s41061-024-00485-6\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1007\/s12209-024-00401-5\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eChlorine-Substituent Regulation in Dopant-Free Small-Molecule Hole-Transport Materials Improves the Efficiency and Stability of Inverted Perovskite Solar Cells\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Transactions of Tianjin University\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2024-07-19\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s12209-024-00401-5\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1007\/s12274-022-4549-2\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eTwo-dimensional molecular crystalline semiconductors towards advanced organic optoelectronics\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Nano Research\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2022-06-24\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s12274-022-4549-2\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n            \u003cdiv class=\"reference-item\"\u003e\n                \n                    \n                    \u003ca href=\"https:\/\/doi.org\/10.1007\/s12598-021-01723-2\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n                        \u003ch3\u003eCharge transporting materials for perovskite solar cells\u003c\/h3\u003e\n                    \u003c\/a\u003e\n                    \n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Name: Rare Metals\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003ePublication Date: 2021-05-21\u003c\/div\u003e\n                \n\n                \n                \u003cdiv class=\"publication-item\"\u003eDOI: 10.1007\/s12598-021-01723-2\u003c\/div\u003e\n                \n            \u003c\/div\u003e\n        \n    \u003c\/div\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×5G","offer_id":45437328457918,"sku":"JK1784533_5_G","price":120.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/29294ba76dc59a79b92a53d257c3d090.jpg?v=1788929126"},{"product_id":"a01952859","title":"3'-Bromospiro[fluorene-9,9'-xanthene], 98% | 1621397-55-4","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e3'-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 98%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e952859\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1621397-55-4\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H15BrO\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e411.30\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSynonyms\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e3'-Bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e9H-fluorene-9,9'-\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003e9H\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003exanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e139442464\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e3'-bromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eUBZULIKBHMSKKU-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C=C(C=C5)Br)OC6=CC=CC=C46\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eProperties\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eMelting Point\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e218 - 222\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eStorage Condition\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Room temperature\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×25G","offer_id":46392060379326,"sku":"JK952859_25_G","price":562.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001822.png?v=1787975997"},{"product_id":"a01972209","title":"2',7'-Dibromospiro[fluorene-9,9'-xanthene], 98% | 1346002-88-7","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2',7'-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 98%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e972209\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1346002-88-7\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H14Br2O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e490.19\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e118896321\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2',7'-dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003ePJLHVYGIYQIGDV-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C=CC(=C5)Br)OC6=C4C=C(C=C6)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eProperties\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eBoiling Point\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e499.5 - 599.5\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eStorage Condition\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Room temperature\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×25G","offer_id":46393045385406,"sku":"JK972209_25_G","price":1288.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001820.png?v=1787974864"},{"product_id":"a019001820","title":"2',7'-Dibromospiro[fluorene-9,9'-xanthene], 95% | 1346002-88-7","description":"\u003cstyle\u003e\n  \/* isQuote *\/\n  div.swatch.clearfix {\n    display: none !important;\n  }\n\n  \/* Hide sku *\/\n  .product-sku, \n  #leadtimetext {\n    display: none !important;\n  }\n\n  \/* Square brackets *\/\n  span.l_bracket:before {\n    content: \"[\";\n  }\n  span.r_bracket:after {\n    content: \"]\";\n  }\n\n  \/* Hazard Symbols *\/\n  .ghs-symbols-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n  }\n\n  .hazard-symbol-container {\n    width: 50px;\n  }\n\n  .hazard-symbol {\n    object-fit: contain;\n    aspect-ratio: 1 \/ 1;\n    width: 100%;\n  }\n\n  \/* Section *\/\n  .section-header {\n    font-size: 2rem;\n    font-weight: bold;\n    color: #239ab7;\n    background-color: #f2f2f2;\n    padding: 10px;\n    border-radius: 4px;\n  }\n\n  .section-row {\n    display: grid;\n    grid-template-columns: repeat(8, 1fr);\n    padding: 6px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content {\n    padding-bottom: 6px;\n  }\n\n  .section-content .section-row:last-child {\n    border-bottom: none;\n  }\n\n  .section-row .row-key {\n    grid-column: 1 \/ 3;\n    font-weight: bold;\n    align-self: center;\n  }\n\n  .section-row .row-value {\n    grid-column: 3 \/ 9;\n  }\n\n  .section-row ul li {\n    line-height: 2rem !important;\n    font-size: 1.3rem;\n  }\n\n  .html-area {\n    padding: 10px;\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .html-area {\n    padding: 10px;\n  }\n\n  .html-area p {\n    margin: 0 !important;\n  }\n\n  .hazard-grid {\n    display: grid;\n    grid-template-columns: repeat(6, 1fr);\n    gap: 0 10px;\n    font-size: 1.3rem;\n  }\n\n  .reference-item {\n    padding: 10px 10px;\n    border-bottom: 1px solid #e0e0e0;\n  }\n\n  .section-content .reference-item:last-child {\n    border-bottom: none;\n  }\n\n  .reference-item h3 {\n    font-size: 1.5rem !important;\n  }\n\n  .reference-item .publication-item {\n    font-size: 1.3rem !important;\n    line-height: 1.5rem !important;\n  }\n\n  \/* SDS Search *\/\n  .section-row .coa-search-container {\n    display: flex;\n    align-items: center;\n    margin-top: 6px;\n  }\n\n  .section-row .coa-search-container input {\n    border: 1px solid #e0e0e0;\n    height: 2.5rem;\n    border-top-left-radius: 0.5rem !important;\n    border-bottom-left-radius: 0.5rem !important;\n    padding: 3px 5px;\n  }\n\n  .section-row .coa-search-container button {\n    height: 2.5rem;\n    line-height: 2.5rem;\n    border-radius: 0 0.5rem 0.5rem 0;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    gap: 3px;\n  }\n\n  .section-row .coa-search-container button .coa-search-button-content .search-spin {\n    display: none;\n    width: 2rem;\n  }\n\n  .section-row .coa-search-container .coa-not-found {\n    display: none;\n    margin: 0 0 0 2rem;\n    color: #ad2031;\n    font-size: 1.3rem;\n  }\n\n  \/* Table *\/\n  .html-area table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 15px 0;\n  }\n\n  .html-area table th,\n  .html-area table td {\n    border: 1px solid #e0e0e0;\n    padding: 5px 8px;\n  }\n\n  @media (max-width: 600px) {\n    .section-row {\n      grid-template-columns: repeat(1, 1fr);\n    }\n\n    .section-row .row-key {\n      grid-column: 1 \/ 2;\n    }\n\n    .section-row .row-value {\n      grid-column: 1 \/ 2;\n    }\n\n    .hazard-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 0 20px;\n    }\n  }\n  \n\u003c\/style\u003e\n\n\u003cdiv class=\"section\"\u003e\n  \n\n    \u003c!-- Order Info --\u003e\n    \u003ch2 class=\"section-header\"\u003eProduct Information\u003c\/h2\u003e\n    \u003cdiv class=\"section-content\"\u003e\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e2',7'-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e, 95%\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n        \n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eBrand Name\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eJ\u0026amp;K\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eProduct Number\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e9001820\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCAS\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e1346002-88-7\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Formula\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003eC25H14Br2O\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eMolecular Weight\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e490.19\u003c\/div\u003e\n        \u003c\/div\u003e\n        \n\n        \n\n        \u003cdiv class=\"section-row\"\u003e\n            \u003cdiv class=\"row-key\"\u003eCertificate of Analysis (COA)​\u003c\/div\u003e\n            \u003cdiv class=\"row-value\"\u003e\n                \u003cdiv class=\"coa-search-container\"\u003e\n                    \u003cinput id=\"coa-link-input\" type=\"text\" placeholder=\"Enter Lot No.\"\u003e\n                    \u003cbutton id=\"coa-search-button\"\u003e\n                        \u003cdiv class=\"coa-search-button-content\"\u003e\n                            \u003csvg class=\"search-spin\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 200 200\"\u003e\u003cradialgradient id=\"a7\" cx=\".66\" fx=\".66\" cy=\".3125\" fy=\".3125\" gradienttransform=\"scale(1.5)\"\u003e\u003cstop offset=\"0\" stop-color=\"#FFFFFF\"\u003e\u003c\/stop\u003e\u003cstop offset=\".3\" stop-color=\"#FFFFFF\" stop-opacity=\".9\"\u003e\u003c\/stop\u003e\u003cstop offset=\".6\" stop-color=\"#FFFFFF\" stop-opacity=\".6\"\u003e\u003c\/stop\u003e\u003cstop offset=\".8\" stop-color=\"#FFFFFF\" stop-opacity=\".3\"\u003e\u003c\/stop\u003e\u003cstop offset=\"1\" stop-color=\"#FFFFFF\" stop-opacity=\"0\"\u003e\u003c\/stop\u003e\u003c\/radialgradient\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" stroke=\"url(#a7)\" stroke-width=\"15\" stroke-linecap=\"round\" stroke-dasharray=\"200 1000\" stroke-dashoffset=\"0\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003canimatetransform type=\"rotate\" attributename=\"transform\" calcmode=\"spline\" dur=\"2\" values=\"360;0\" keytimes=\"0;1\" keysplines=\"0 0 1 1\" repeatcount=\"indefinite\"\u003e\u003c\/animatetransform\u003e\u003c\/circle\u003e\u003ccircle transform-origin=\"center\" fill=\"none\" opacity=\".2\" stroke=\"#FFFFFF\" stroke-width=\"15\" stroke-linecap=\"round\" cx=\"100\" cy=\"100\" r=\"70\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n                            \u003cspan\u003eSearch\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/button\u003e\n                    \u003cspan class=\"coa-not-found\"\u003eCOA not found\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- General Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eGeneral Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n\n            \n            \u003cdiv class=\"section-row\"\u003e\n                \u003cdiv class=\"row-key\"\u003ePubChem CID\u003c\/div\u003e\n                \u003cdiv class=\"row-value\"\u003e118896321\u003c\/div\u003e\n            \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eIUPAC Name\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e2',7'-dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eInChI Key\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003ePJLHVYGIYQIGDV-UHFFFAOYSA-N\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSMILES\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003eC1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C=CC(=C5)Br)OC6=C4C=C(C=C6)Br\u003c\/div\u003e\n                \u003c\/div\u003e\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Properties --\u003e\n    \n\n    \u003c!-- Safety Info --\u003e\n    \n        \u003ch2 class=\"section-header\"\u003eSafety Information\u003c\/h2\u003e\n        \u003cdiv class=\"section-content\"\u003e\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eGHS Symbols\u003c\/div\u003e\n                    \u003cdiv class=\"row-value ghs-symbols-row\"\u003e\n                        \n                            \u003cdiv class=\"hazard-symbol-container\"\u003e\u003cimg class=\"hazard-symbol\" src=\"https:\/\/supplier-images.jk-data.com\/jk-sci\/hazard\/GHS07.svg\" alt=\"Hazard Symbol\"\u003e\u003c\/div\u003e\n                        \n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eSignal Word\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        Warning\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003eHazard Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eH315\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eH335\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n                \u003cdiv class=\"section-row\"\u003e\n                    \u003cdiv class=\"row-key\"\u003ePrecautionary Statement\u003c\/div\u003e\n                    \u003cdiv class=\"row-value\"\u003e\n                        \u003cdiv class=\"hazard-grid\"\u003e\n                            \n                                \u003cdiv\u003eP280\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP321\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP261\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP271\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP319\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP405\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP501\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP302+P352\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP332+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP362+P364\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP264+P265\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP305+P351+P338\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP337+P317\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP304+P340\u003c\/div\u003e\n                            \n                                \u003cdiv\u003eP403+P233\u003c\/div\u003e\n                            \n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \n\n            \n\n            \n\n            \n\n            \n\n            \n        \u003c\/div\u003e\n    \n\n    \u003c!-- Description --\u003e\n    \n    \u003ch2 class=\"section-header\"\u003eDescription\u003c\/h2\u003e\n    \u003cdiv class=\"html-area\"\u003e\n        \u003ch2\u003eDescription and Applications\u003c\/h2\u003e\n\u003cp\u003eSpiro aromatic compounds are an important class of building blocks for organic semiconductors. Their unique orthogonal spiro-conjugated architecture, rigid three-dimensional configuration, and intrinsic steric hindrance effectively improve the optoelectronic properties, thermal stability, and morphological stability of organic electronic materials.\u003c\/p\u003e\n\u003cp\u003eAmong them, Spiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e (SFX) has emerged as a next-generation spiro scaffold owing to its efficient one-pot synthetic methodology, which significantly simplifies the preparation process compared with conventional spirobifluorene derivatives while reducing production cost. As a versatile molecular platform, SFX-based intermediates have attracted extensive attention in the development of OLED materials, organic lasers, organic field-effect transistors (OFETs), perovskite solar cells (PSCs), and other advanced optoelectronic devices.\u003c\/p\u003e\n\u003cp\u003e2,7-Dibromospiro\u003cspan class=\"l_bracket\"\u003e\u003c\/span\u003efluorene-9,9'-xanthene\u003cspan class=\"r_bracket\"\u003e\u003c\/span\u003e features two reactive bromine atoms that enable further functionalization through Suzuki–Miyaura, Stille, Negishi, Kumada, and other palladium-catalyzed cross-coupling reactions, making it an excellent intermediate for constructing high-performance π-conjugated materials.\u003c\/p\u003e\n\u003cfigure\u003e\u003cp\u003e\u003cimg src=\"https:\/\/supplier-images.jk-data.com\/upload\/75c5dd6043837fb8f3a5866e0e4d02f2.jpg\"\u003e\u003c\/p\u003e\u003c\/figure\u003e\u003cp\u003e\u003cstrong\u003eLeft:\u003c\/strong\u003e \u003cstrong\u003e2D-GIXD Pattern of a Py-SFDBAO Nanosheet Film\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e \u003cstrong\u003eProposed Molecular Packing Arrangement of Py-SFDBAO on a Si Substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves the quantum efficiency of OLED and other optoelectronic devices\u003c\/li\u003e\n\u003cli\u003eEnhances thermal, morphological, and photochemical stability of organic semiconductor materials\u003c\/li\u003e\n\u003cli\u003eRigid three-dimensional spiro framework suppresses intermolecular aggregation\u003c\/li\u003e\n\u003cli\u003eHighly versatile intermediate for molecular design and structural modification\u003c\/li\u003e\n\u003cli\u003eExcellent precursor for functional organic electronic materials\u003c\/li\u003e\n\u003cli\u003eCost-effective and scalable synthetic platform with promising industrial potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLing-Hai Xie, Feng Liu, Chao Tang, Xiao-Ya Hou, Yu-Ran Hua, Qu-Li Fan, Wei Huang. Org. Lett. 2006, 8, 2787-2790.\u003c\/li\u003e\n\u003cli\u003eJie Zhao, Guo-Hua Xie, Cheng-Rong Yin, Ling-Hai Xie, Chun-Miao Han, Run-Feng Chen, Hui Xu, Ming-Dong Yi, Zhao-Peng Deng, Shu-Fen Chen, Yi Zhao, Shi-Yong Liu, Wei Huang. Chem. Mate. 2011, 23, 5331-5339.\u003c\/li\u003e\n\u003cli\u003eJing Li, Dongxue Ding, Youtian Tao, Ying Wei, Runfeng Chen, Linghai Xie, Wei Huang, Hui Xu. Adv. Mater. 2016, 28, 3122.\u003c\/li\u003e\n\u003cli\u003eMingli Sun, Ruochen Xu, Linghai Xie, Ying Wei, Wei Huang. Chin. J. Chem. 2015, 33, 815-827.\u003c\/li\u003e\n\u003cli\u003eZong-Qiong Lin, Jin Liang, Peng-Ju Sun, Feng Liu, Yee-Yan Tay, Ming-Dong Yi, Kun Peng, Xian-Hai Xia, Ling-Hai Xie, Xin-Hui Zhou, Jian-Feng Zhao, and Wei Huang. Adv. Mater. 2013, 25, 3664.\u003c\/li\u003e\n\u003c\/ol\u003e\n    \u003c\/div\u003e\n    \n\n    \u003c!-- Faq --\u003e\n    \n\n    \u003c!-- References --\u003e\n    \n\n\n    \u003cscript\u003e\n        const coaSearchButton = document.getElementById('coa-search-button');\n        coaSearchButton.addEventListener('click', async function() {\n            const coaLinkInput = document.getElementById('coa-link-input');\n            const spinElement = document.querySelector('.search-spin');\n            const notFoundElement = document.querySelector('.coa-not-found');\n\n            const lot = coaLinkInput.value.trim().toUpperCase();\n            if (lot.length \u003e 0) {\n                spinElement.style.display = 'block';\n                notFoundElement.style.display = 'none';\n\n                const url = `https:\/\/web.jkchemical.com\/partial\/coaFileLotNumber\/${lot}`;\n                await fetch(url).then((res) =\u003e {\n                    if (res.status === 200) {\n                        window.open(url, '_blank');\n                    } else {\n                        notFoundElement.style.display = 'block';\n                    }\n                }).finally(() =\u003e {\n                    spinElement.style.display = 'none';\n                });\n            }\n        });\n    \u003c\/script\u003e\n\n\n\u003c\/div\u003e","brand":"J\u0026K Chemical","offers":[{"title":"1×1G","offer_id":46563892592830,"sku":"JK9001820_1_G","price":149.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/9001820_7aeb1881-6f6f-40d9-a8eb-2eab6fd54602.png?v=1787982230"}],"url":"https:\/\/www.jk-sci.com\/collections\/sfx-based-oled-building-block.oembed?page=2","provider":"J\u0026K Scientific LLC","version":"1.0","type":"link"}