https://www.jk-sci.com/products/s57c4x-1208184 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d50fe9a0-8511-4081-98de-10a4a59caea0.png?v=1791381773 Posaconazole Impurity 184, 98.60% Posaconazole Impurity 184|C4X-1208184 https://www.jk-sci.com/products/s57c4x-1187 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504141_422c8663-d742-4f0e-9b12-69126a1e1269.png?v=1791382099 Tamsulosin Hydrochloride, 95.10% | 106463-17-6 Tamsulosin Hydrochloride|C4X-1187|106463-17-6 https://www.jk-sci.com/products/j5316115 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d97869e3637aa8fb0e327517eb52b2.jpg?v=1791412351 3-(tert-Butoxy)propylamine·HCl, Assay by titration ≥ 97% | 864658-14-0 3-(tert-Butoxy)propylamine·HCl|16115|864658-14-0 https://www.jk-sci.com/products/s57c4x-119882 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba7ce7033a0aae1cf31013e4a68e8ac4.jpg?v=1791381912 Eltrombopag Impurity 82, 98.30% | 725241-64-5 Eltrombopag Impurity 82|C4X-119882|725241-64-5 https://www.jk-sci.com/products/a01955456 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122520.png?v=1790205691 4-(4-Pyridyl)morpholine, 97% | 2767-91-1 4-(4-Pyridyl)morpholine, 97%|955456|2767-91-1 https://www.jk-sci.com/products/j5316025 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bb51764c072d3c50752a857195367b2.jpg?v=1791412438 (±)-trans-4-(2-Cyanophenyl)pyrrolidine-3-carboxylic acid hydrochloride | 1049734-84-0 (±)-trans-4-(2-Cyanophenyl)pyrrolidine-3-carboxylic acid hydrochloride|16025|1049734-84-0 https://www.jk-sci.com/products/s57c4x-116322 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8460e9fe-8556-45d7-911e-04135018855e.png?v=1791382584 Ceftriaxone Impurity 22, 90.30% Ceftriaxone Impurity 22|C4X-116322 https://www.jk-sci.com/products/j5316070 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2af2803c22236b061c073a6ce8c81bad.jpg?v=1791412380 2-(4-Boc-piperazinyl)-2-(3-bromophenyl)acetic acid, Purity by HPLC ≥ 99% | 885273-07-4 2-(4-Boc-piperazinyl)-2-(3-bromophenyl)acetic acid|16070|885273-07-4 https://www.jk-sci.com/products/s57c4x-120317 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303566c8323107a064065b8d50eab0bf.jpg?v=1791381854 Bupropion Impurity 17, 90.90% | 10557-17-2 Bupropion Impurity 17|C4X-120317|10557-17-2 https://www.jk-sci.com/products/j5316129 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb73fa822d061fdb17cf967673f5051e.jpg?v=1791412328 Boc-1,4-trans-diaminocyclohexane·HCl, Assay by titration ≥ 98% | 946002-43-3 Boc-1,4-trans-diaminocyclohexane·HCl|16129|946002-43-3 https://www.jk-sci.com/products/s57c4x-11981 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc68bf07-5bf2-4cf8-b822-14bcf8b28621.png?v=1791381943 Eltrombopag N-Oxide Impurity, 99.00% Eltrombopag N-Oxide Impurity|C4X-11981 https://www.jk-sci.com/products/j5316102 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e315e8afbfea39ae41cb27ce1519baea.jpg?v=1791412370 Boc-L-nipecotic acid, Purity by HPLC ≥ 98% | 88495-54-9 Boc-L-nipecotic acid|16102|88495-54-9 https://www.jk-sci.com/products/a01956078 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538827.png?v=1790205679 (R)-(+)-tert-Butylsulfinamide, 98% | 196929-78-9 (R)-(+)-tert-Butylsulfinamide, 98%|956078|196929-78-9 https://www.jk-sci.com/products/j5316119 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8062fbf45edafd2df0b6683b99e84645.jpg?v=1791412346 Na-Allyloxycarbonyl-6-hydroxy-L-norleucine dicyclohexylammonium salt, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1263045-06-2 Na-Allyloxycarbonyl-6-hydroxy-L-norleucine dicyclohexylammonium salt|16119|1263045-06-2 https://www.jk-sci.com/products/s57c4x-1208 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814042_e1e06b1e-146d-4f9a-a089-6a5e28d5c412.png?v=1791381814 Posaconazole, 98.80% | 171228-49-2 Posaconazole|C4X-1208|171228-49-2 https://www.jk-sci.com/products/j5316124 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246d2c57ba78ce5792df1fb3eebed0f9.jpg?v=1791412337 Boc-cis-1,2-aminocyclohex-4-ene carboxylic acid, Assay by titration 99 - 101% || Purity by HPLC ≥ 99% | 63216-52-4 Boc-cis-1,2-aminocyclohex-4-ene carboxylic acid|16124|63216-52-4 https://www.jk-sci.com/products/j5316132 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/251b37b94301cda0510333b7886d319f.jpg?v=1791412323 Na-Boc-Nb-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-2,3-diaminopropionic acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 98% | 1263045-09-5 Na-Boc-Nb-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-2,3-diaminopropionic acid|16132|1263045-09-5 https://www.jk-sci.com/products/s57c4x-12104 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a95c57163f816355277659a85fae39f3.jpg?v=1791381694 Cefdinir CP Impurity S, 91.20% | 127770-93-8 Cefdinir CP Impurity S|C4X-12104|127770-93-8 https://www.jk-sci.com/products/s57c4x-120849 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a9027eb4c349eab66a843cafcf1495.jpg?v=1791381741 Posaconazole Impurity 49, 94.00% | 1902954-05-5 Posaconazole Impurity 49|C4X-120849|1902954-05-5 https://www.jk-sci.com/products/j5316142 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ada5bf43a9facb9cb420789ab3b2819f.jpg?v=1791412309 Boc-D-tyrosinol, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 247018-46-8 Boc-D-tyrosinol|16142|247018-46-8 https://www.jk-sci.com/products/j5316168 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f739c40e4b521d572ecfec1bacd0f93.jpg?v=1791412271 H-D-Tpi(For)-OH·HCl, Assay by titration ≥ 98% || Purity by HPLC ≥ 97% | 1423017-96-2 H-D-Tpi(For)-OH·HCl|16168|1423017-96-2 https://www.jk-sci.com/products/j5316144 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6c0c2b94ec958b26e9c5acbc44c0433.jpg?v=1791412308 Boc-DL-nipecotic acid, Purity ≥ 99% | 84358-12-3 Boc-DL-nipecotic acid|16144|84358-12-3 https://www.jk-sci.com/products/j5316159 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5d079954e6c3bae26dbfd7a956cd6b4.jpg?v=1791412284 Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-leucinol, Purity by HPLC ≥ 98% | 1263045-95-9 Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-leucinol|16159|1263045-95-9 https://www.jk-sci.com/products/j5316171 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7b8c6c84e9c097d164735b940f3c5b5.jpg?v=1791412266 Fmoc-cis-2-aminocyclohexanecarboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 194471-85-7 Fmoc-cis-2-aminocyclohexanecarboxylic acid|16171|194471-85-7 https://www.jk-sci.com/products/a01956097 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118069_fad29668-1991-4b8d-a97f-4f9195e9bc7a.png?v=1787975785 Substance P, 95% | 33507-63-0 Substance P, 95%|956097|33507-63-0 https://www.jk-sci.com/products/j5316182 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a9fd34cd1bf9394ab09ca40183add56.jpg?v=1791412251 Fmoc-1,3-diaminopropane hydrochloride, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 166410-34-0 Fmoc-1,3-diaminopropane hydrochloride|16182|166410-34-0 https://www.jk-sci.com/products/j5312373 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bbcbfd44692c2326727e0d48069694e.jpg?v=1791414418 (R,S),-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid, Purity by HPLC ≥ 99% | 41994-51-8 (R,S),-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid|12373|41994-51-8 https://www.jk-sci.com/products/j5316188 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b3b64254b0098409c7d991c24df244.jpg?v=1791412243 (R)-Na-Fmoc-Nb-Boc-2,3-diaminopropan-1-ol, Purity by HPLC ≥ 99% | 1263047-54-6 (R)-Na-Fmoc-Nb-Boc-2,3-diaminopropan-1-ol|16188|1263047-54-6 https://www.jk-sci.com/products/j5315013 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a96a1218e451545a93c04b0f78edf28.jpg?v=1791413487 Boc-(R,S)-3-amino-3-(biphenyl)propionic acid, Purity by HPLC ≥ 99% | 193633-60-2 Boc-(R,S)-3-amino-3-(biphenyl)propionic acid|15013|193633-60-2 https://www.jk-sci.com/products/j5315353 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77be92002ee09ffc55e8868efa2e248a.jpg?v=1791413036 Pentafluoro-L-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 98% | 270063-41-7 Pentafluoro-L-b-homophenylalanine hydrochloride|15353|270063-41-7 https://www.jk-sci.com/products/s57c4x-12113 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414970_9f08ecb8-1a9e-44c0-b454-554d6962bb6f.png?v=1791381659 Paracetamol EP Impurity A, 99.90% | 614-80-2 Paracetamol EP Impurity A|C4X-12113|614-80-2 https://www.jk-sci.com/products/s57c4x-12123 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc62c9cb81c42860d23f7cfa8d811d13.jpg?v=1791381642 Ceftazidime EP Impurity C, 93.40% | 3432-88-0 Ceftazidime EP Impurity C|C4X-12123|3432-88-0 https://www.jk-sci.com/products/j5315245 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514d5cbaaf62654053dc3a1868a4050e.jpg?v=1791413166 Boc-2-fluoro-L-b-homophenylalanine, Purity ≥ 98% | 218608-99-2 Boc-2-fluoro-L-b-homophenylalanine|15245|218608-99-2 https://www.jk-sci.com/products/a01956134 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_823721bb-0a8e-4e18-ae5e-42cfc6db29eb.png?v=1790009137 Dextran, Average M.W.: 10000 | 9004-54-0 Dextran, Average M.W.: 10000|956134|9004-54-0 https://www.jk-sci.com/products/j5315509 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4a6570ac46a131eb4e650b224c07f5d.jpg?v=1791412852 Fmoc-3-fluoro-D-b-homophenylalanine, Purity by HPLC ≥ 98% | 331763-67-8 Fmoc-3-fluoro-D-b-homophenylalanine|15509|331763-67-8 https://www.jk-sci.com/products/j5315572 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1806aaacaf7d365aac82c1ba0e5f7f4.jpg?v=1791412783 (S)-3-Amino-3-(2-trifluoromethylphenyl)propionic acid, Purity by HPLC ≥ 99% | 755749-11-2 (S)-3-Amino-3-(2-trifluoromethylphenyl)propionic acid|15572|755749-11-2 https://www.jk-sci.com/products/j5315663 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77537b39fa41a485ee5d8da644fd3dc7.jpg?v=1791412676 (S)-3-Amino-3-(2,4-dichlorophenyl)propionic acid, Chiral HPLC ≥ 98% (ee) || Purity by HPLC ≥ 98% | 757937-66-9 (S)-3-Amino-3-(2,4-dichlorophenyl)propionic acid|15663|757937-66-9 https://www.jk-sci.com/products/j5315620 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df248ba7a860ce59754a3fe12809b65e.jpg?v=1791412731 Boc-(S)-3-amino-3-(2-methylphenyl)propionic acid, Purity by HPLC ≥ 99% | 499995-74-3 Boc-(S)-3-amino-3-(2-methylphenyl)propionic acid|15620|499995-74-3 https://www.jk-sci.com/products/j5315711 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17ec15c2e6e6139d5a745986477959e3.jpg?v=1791412637 (S)-3-Amino-3-(2-naphthyl)propionic acid, Purity by HPLC ≥ 99% | 767282-94-0 (S)-3-Amino-3-(2-naphthyl)propionic acid|15711|767282-94-0 https://www.jk-sci.com/products/s57c4x-121351 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5a2a42ae-cb82-4861-996a-3e9c90b33e75.png?v=1791381618 Roxatidine Impurity 51, 95.30% Roxatidine Impurity 51|C4X-121351 https://www.jk-sci.com/products/s57c4x-12152 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615886_59a2cfe2-46ba-4fc0-82a5-34e3e861fe94.png?v=1791381593 Cefradine EP Impurity B, 93.50% | 26774-88-9 Cefradine EP Impurity B|C4X-12152|26774-88-9 https://www.jk-sci.com/products/j5315846 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f03422f01ed90a0eb12efbaf41d3d2e8.jpg?v=1791412569 Boc-(S)-a-(4-biphenylmethyl)proline, Purity by HPLC ≥ 99% | 1217857-74-3 Boc-(S)-a-(4-biphenylmethyl)proline|15846|1217857-74-3 https://www.jk-sci.com/products/s57c4x-122029 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed29024d-fa73-4040-a875-5f3ed4ce672f.png?v=1791381576 Metformin EP Impurity E Sulfate, 88.70% | 36801-25-9 Metformin EP Impurity E Sulfate|C4X-122029|36801-25-9 https://www.jk-sci.com/products/j5315919 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2a95b7bcd7ba86b5fc9ecc99d5acf91.jpg?v=1791412527 (R)-g-(3-Nitrobenzyl)-L-proline·HCl, Purity by HPLC ≥ 99% | 1049740-11-5 (R)-g-(3-Nitrobenzyl)-L-proline·HCl|15919|1049740-11-5 https://www.jk-sci.com/products/j5315995 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a52dea7f6bd0c231a55f608523cc580.jpg?v=1791412481 Boc-(±)-trans-4-(2-bromophenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 99% | 1161787-74-1 Boc-(±)-trans-4-(2-bromophenyl)pyrrolidine-3-carboxylic acid|15995|1161787-74-1 https://www.jk-sci.com/products/a01956184 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268659.png?v=1788913023 Pyridaben, 98%, reference material | 96489-71-3 Pyridaben, 98%, reference material|956184|96489-71-3 https://www.jk-sci.com/products/s57c4x-12223 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30c652cc72544ae81857930c7fa1cc94.jpg?v=1791381561 Calcipotriol EP Impurity C, 96.50% | 113082-99-8 Calcipotriol EP Impurity C|C4X-12223|113082-99-8 https://www.jk-sci.com/products/j5316019 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1e762fbb1373173befc731f7c783f83.jpg?v=1791412448 Boc-(±)-trans-4-(2,3-dichlorophenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 96% | 959583-07-4 Boc-(±)-trans-4-(2,3-dichlorophenyl)pyrrolidine-3-carboxylic acid|16019|959583-07-4 https://www.jk-sci.com/products/s57c4x-12255 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c43b33640ca6f1a21bd9e9c2c8ae07fa.jpg?v=1791381524 Trimethoprim EP Impurity E, 94.00% | 60729-91-1 Trimethoprim EP Impurity E|C4X-12255|60729-91-1 https://www.jk-sci.com/products/j5316061 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a053501f93309878cf10da54214d448.jpg?v=1791412388 Boc-(±)-trans-4-(2-furanyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 99% | 959579-75-0 Boc-(±)-trans-4-(2-furanyl)pyrrolidine-3-carboxylic acid|16061|959579-75-0 https://www.jk-sci.com/products/a01956227 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/280579_87051cb4-6571-4f18-bb3c-f57db1d64587.png?v=1787975777 Bis(diphenylphosphine)acetylene, 97% | 5112-95-8 Bis(diphenylphosphine)acetylene, 97%|956227|5112-95-8 https://www.jk-sci.com/products/s57c4x-12273 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403789_5a666cc9-e62f-4abe-ac76-298ee4dc2b97.png?v=1791381508 Oxybuprocaine Impurity 3, 99.90% | 2374-03-0 Oxybuprocaine Impurity 3|C4X-12273|2374-03-0 https://www.jk-sci.com/products/j5316112 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e989bd02be3d0c11f1f3a60854f3fca.jpg?v=1791412356 2-(tert-Butoxy)ethylamine·HCl, Assay by titration ≥ 99% | 335598-67-9 2-(tert-Butoxy)ethylamine·HCl|16112|335598-67-9 https://www.jk-sci.com/products/j5316099 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65387e613fd3d1503576a571ad1be1a0.jpg?v=1791412371 2-(4-Boc-piperazinyl)-2-(2-furanyl)acetic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 870719-85-0 2-(4-Boc-piperazinyl)-2-(2-furanyl)acetic acid|16099|870719-85-0 https://www.jk-sci.com/products/s57c4x-12344 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c45666453e205badbb18d7813391967.jpg?v=1791381409 Candesartan Cilexetil EP Impurity D, 99.10% | 1185256-03-4 Candesartan Cilexetil EP Impurity D|C4X-12344|1185256-03-4 https://www.jk-sci.com/products/s57c4x-123017 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fecae2722682b090acf13c250abba59.jpg?v=1791381481 Dexmedetomidine Impurity 17, Purity: 99.0% | 33967-19-0 Dexmedetomidine Impurity 17|C4X-123017|33967-19-0 https://www.jk-sci.com/products/s57c4x-123247 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93e3ffd8-2f90-4026-b56b-4c27f81af813.png?v=1791381432 Emtricitabine impurity 47, 99.00% Emtricitabine impurity 47|C4X-123247 https://www.jk-sci.com/products/s57c4x-12304 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55054413d5e1b1b8a09a275e1b9591e1.jpg?v=1791381467 Dexmedetomidine Impurity 4, 100.00% | 1021949-47-2 Dexmedetomidine Impurity 4|C4X-12304|1021949-47-2 https://www.jk-sci.com/products/j5316131 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414cdd850a89590eba4bbf2782b8fdff.jpg?v=1791412323 Na-Boc-Ng-(2,4-dinitrophenyl)-L-2,4-diaminobutyric acid, Assay by titration ≥ 90% || Purity by HPLC ≥ 98% | 1263045-99-3 Na-Boc-Ng-(2,4-dinitrophenyl)-L-2,4-diaminobutyric acid|16131|1263045-99-3 https://www.jk-sci.com/products/j5316161 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf83197aa4d3e8172990c997c13b8441.jpg?v=1791412279 Na-1-(4,4-Dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-Ne-Boc-L-lysine, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 1189586-14-8 Na-1-(4,4-Dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-Ne-Boc-L-lysine|16161|1189586-14-8 https://www.jk-sci.com/products/j5316122 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f5a1b25284e44ec6d449a85edb544d5.jpg?v=1791412342 L-Arginine 4-nitroanilide dihydrobromide, Assay by titration 98 - 101% || Purity by HPLC ≥ 99% | 61876-73-1 L-Arginine 4-nitroanilide dihydrobromide|16122|61876-73-1 https://www.jk-sci.com/products/s57c4x-123066 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5c73792-f891-4adf-9bb4-e1534d4773bc.png?v=1791381452 Dexmedetomidine Impurity 66, 96.70% Dexmedetomidine Impurity 66|C4X-123066 https://www.jk-sci.com/products/j5316143 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc4b20b5c1e0d12559adf2555b482a35.jpg?v=1791412308 Boc-homopiperazine, Assay by titration ≥ 98% | 112275-50-0 Boc-homopiperazine|16143|112275-50-0 https://www.jk-sci.com/products/a01956515 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/286148_a691a79b-a78f-49e3-abc3-a2f5a7d9e4bd.png?v=1788913014 3-Amino-1H-pyrazole-4-carboxamide, 97% | 5334-31-6 3-Amino-1H-pyrazole-4-carboxamide, 97%|956515|5334-31-6 https://www.jk-sci.com/products/j5316176 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b47cc39a96a874ae49ec52d536b11d8f.jpg?v=1791412260 Fmoc-1,4-trans-diaminocyclohexane hydrochloride, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 672310-17-7 Fmoc-1,4-trans-diaminocyclohexane hydrochloride|16176|672310-17-7 https://www.jk-sci.com/products/s57c4x-123515 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34c23e46d19859acfa56b39f3afbd533_e0323486-d5de-4934-98f1-0f074c4918ef.jpg?v=1791381385 Piracetam Impurity 15, Purity: 100.0% | 2996-58-9 Piracetam Impurity 15|C4X-123515|2996-58-9 https://www.jk-sci.com/products/j5316198 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f36c60ad571d767a96cd9313ce314b36.jpg?v=1791412227 Fmoc-DL-nipecotic acid, Purity ≥ 98% | 158922-07-7 Fmoc-DL-nipecotic acid|16198|158922-07-7 https://www.jk-sci.com/products/a01956661 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148177.png?v=1790205664 Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate, 98% | 84793-24-8 Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate, 98%|956661|84793-24-8 https://www.jk-sci.com/products/s57c4x-123619 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5b8630f-b7bb-439a-a759-dcc146bda412.png?v=1791381330 Isavuconazole Impurity 19, 99.60% Isavuconazole Impurity 19|C4X-123619 https://www.jk-sci.com/products/s57c4x-1236103 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78c620bd-bc01-4ab4-9db4-c80696749d65.png?v=1791381358 Isavuconazole Impurity 103, 98.30% Isavuconazole Impurity 103|C4X-1236103 https://www.jk-sci.com/products/s57c4x-123621 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4de7311-374a-4b81-8014-997097b3e05d.png?v=1791381326 Isavuconazole Impurity 21, Purity: 99.4% Isavuconazole Impurity 21|C4X-123621 https://www.jk-sci.com/products/j5316213 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d9b5b0da97868601b85e48fba084e44.jpg?v=1791412213 Boc-N-Me-1,3-diaminopropane hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1188263-67-3 Boc-N-Me-1,3-diaminopropane hydrochloride|16213|1188263-67-3 https://www.jk-sci.com/products/j5316222 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76adc22ed383a2079f09d07305926c8a.jpg?v=1791412199 Benzyl-L-leucine methyl ester hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 474430-95-0 Benzyl-L-leucine methyl ester hydrochloride|16222|474430-95-0 https://www.jk-sci.com/products/s57c4x-123627 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43e189dc-917b-4a7f-a4f8-c1506495125a.png?v=1791381320 Isavuconazole Impurity 27 DiHCl, 87.20% Isavuconazole Impurity 27 DiHCl|C4X-123627 https://www.jk-sci.com/products/s57c4x-123631 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281958_318f6688-1db7-433f-9e10-c9ffe1d07c4b.png?v=1791381309 Isavuconazole Impurity 31, Purity: 99.2% | 20099-89-2 Isavuconazole Impurity 31|C4X-123631|20099-89-2 https://www.jk-sci.com/products/s57c4x-123638 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/918919_dad61485-5c60-479a-adcf-d43ca62aa9cf.png?v=1791381298 Isavuconazole Impurity 38, 99.80% | 32399-12-5 Isavuconazole Impurity 38|C4X-123638|32399-12-5 https://www.jk-sci.com/products/a01956745 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2811678aaff3e5e1507040535e5c422.jpg?v=1787975748 2,9-Diphenyl-1,10-phenanthroline, 98% | 25677-69-4 2,9-Diphenyl-1,10-phenanthroline, 98%|956745|25677-69-4 https://www.jk-sci.com/products/j5316230 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608c2cd84accbdda13b29a6066b3357d.jpg?v=1791412189 Z-trans-2-aminocyclohexanecarboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 61935-48-6 Z-trans-2-aminocyclohexanecarboxylic acid|16230|61935-48-6 https://www.jk-sci.com/products/s57c4x-123660 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404882_6bee9774-4bea-4698-865e-e60c4dae1cd8.png?v=1791381276 Isavuconazole Impurity 60, 99.50% | 123-73-9 Isavuconazole Impurity 60|C4X-123660|123-73-9 https://www.jk-sci.com/products/s57c4x-12373 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f812009-7aaa-42c9-973d-d9b30c102e02.png?v=1791381235 Picosulfate EP Impurity C, 75.90% Picosulfate EP Impurity C|C4X-12373 https://www.jk-sci.com/products/s57c4x-123678 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dfac1d5956d90522be393fae9c69d7d_d01c3411-ee9a-4cf7-8b1d-d0f79f367ac8.jpg?v=1791381266 Isavuconazole Impurity 78, Purity: 97.3% | 483340-19-8 Isavuconazole Impurity 78|C4X-123678|483340-19-8 https://www.jk-sci.com/products/s57c4x-123711 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598a48bc914331ba4f4e3248819ee149.jpg?v=1791381244 Sodium Picosulfate Impurity 11, 99.70% | 1121-60-4 Sodium Picosulfate Impurity 11|C4X-123711|1121-60-4 https://www.jk-sci.com/products/j5316261 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7313fd2cd2ae0e7a5e607536d9d6b1bf.jpg?v=1791412157 Fmoc-1,3-cis-diaminomethyl-cyclohexane hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1274891-91-6 Fmoc-1,3-cis-diaminomethyl-cyclohexane hydrochloride|16261|1274891-91-6 https://www.jk-sci.com/products/j5316239 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c55f5d3c099caece47f4c1e1a4c737e.jpg?v=1791412174 Z-L-Dab(Fmoc)-OH, Purity by HPLC ≥ 99% | 151132-82-0 Z-L-Dab(Fmoc)-OH|16239|151132-82-0 https://www.jk-sci.com/products/s57c4x-123698 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b8750f3-9c51-4ee2-bbd3-04c0bac9a881.png?v=1791381254 Isavuconazole Impurity 98, 92.60% Isavuconazole Impurity 98|C4X-123698 https://www.jk-sci.com/products/j5316245 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b323b5f2353d29bb98528575ce42b727.jpg?v=1791412173 (R)-4-(Boc-amino)-3-(Z-amino)butyric acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 108919-51-3 (R)-4-(Boc-amino)-3-(Z-amino)butyric acid|16245|108919-51-3 https://www.jk-sci.com/products/s57c4x-123815 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/063846eb5f5eeb9817dbb710e11006af.jpg?v=1791381228 Zopiclone Impurity 15, 99.00% | 4180-30-7 Zopiclone Impurity 15|C4X-123815|4180-30-7 https://www.jk-sci.com/products/j5300311 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d499cbe5c58302d9a0ebb9d6373b0692.jpg?v=1791423129 Uridine-5'-triphosphate trisodium salt dihydrate, Assay ≥ 90% (on dry basis) || Purity by HPLC ≥ 98% | 116295-90-0 Uridine-5'-triphosphate trisodium salt dihydrate|00311|116295-90-0 https://www.jk-sci.com/products/s57c4x-123911 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9b95f265c0c96d3a02e78ef25b310c.jpg?v=1791381212 p-Toluenesulfonyl Hydrazide, 99.80% | 1576-35-8 p-Toluenesulfonyl Hydrazide|C4X-123911|1576-35-8 https://www.jk-sci.com/products/a01957029 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389298.png?v=1790205656 4-Oxo-4H-1-benzopyran-2-carboxylicacid, 98% | 4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylicacid, 98%|957029|4940-39-0 https://www.jk-sci.com/products/j5316272 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccc092524bdef5b28f5caa816059c2ce.jpg?v=1791412150 O-Benzyl-L-trans-L-4-hydroxyproline hydrochloride, Purity by HPLC ≥ 98% | 66831-16-1 O-Benzyl-L-trans-L-4-hydroxyproline hydrochloride|16272|66831-16-1 https://www.jk-sci.com/products/s57c4x-12395 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1364ca9586b0bf564b281fa6a129dc49.jpg?v=1791381195 Anastrozole EP Impurity D, 98.20% | 1027160-12-8 Anastrozole EP Impurity D|C4X-12395|1027160-12-8 https://www.jk-sci.com/products/s57c4x-123916 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cd57473d2c400610427841f753cd3de.jpg?v=1791381202 Anastrozole Impurity 16, 94.60% | 120512-04-1 Anastrozole Impurity 16|C4X-123916|120512-04-1 https://www.jk-sci.com/products/j5316328 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/177a74a721514adaa49cc3dbd620ca39.jpg?v=1791412142 O-Benzyl-L-serine methyl ester hydrochloride, Purity by HPLC ≥ 98% | 19525-87-2 O-Benzyl-L-serine methyl ester hydrochloride|16328|19525-87-2 https://www.jk-sci.com/products/j5316406 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6530957ffc17f5bdf23d68dbc88f8ff4.jpg?v=1791412124 N-Methyl-DL-phenylalanine methyl ester hydrochloride | 16975-45-4 N-Methyl-DL-phenylalanine methyl ester hydrochloride|16406|16975-45-4 https://www.jk-sci.com/products/j5316408 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/846208980513f4d88ff4f92729eb94de.jpg?v=1791412125 N-Methyl-L-phenylglycine hydrochloride, Purity ≥ 98% (NMR) | 2611-88-3 N-Methyl-L-phenylglycine hydrochloride|16408|2611-88-3 https://www.jk-sci.com/products/s57c4x-124012 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abca355c55ea53d7c7035a3c34c99536.jpg?v=1791381183 Ziprasidone Impurity 12, Purity: 98.0% | 884305-08-2 Ziprasidone Impurity 12|C4X-124012|884305-08-2 https://www.jk-sci.com/products/a01957253 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122684.png?v=1788912987 3-(1-(tert-Butoxycarbonyl)piperidin-4-yl)propanoic acid, 97% | 154775-43-6 3-(1-(tert-Butoxycarbonyl)piperidin-4-yl)propanoic acid, 97%|957253|154775-43-6 https://www.jk-sci.com/products/j5316506 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45a902291b1a20370acae81ff75b1169.jpg?v=1791412100 Boc-4,4-Difluoro-L-prolinamide, Purity by HPLC ≥ 98% | 426844-50-0 Boc-4,4-Difluoro-L-prolinamide|16506|426844-50-0 https://www.jk-sci.com/products/s57c4x-124031 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e53e4141f5f9d75096ad5be598e4409d.jpg?v=1791381170 Ziprasidone EP Impurity C, 91.70% | 1159977-64-6 Ziprasidone EP Impurity C|C4X-124031|1159977-64-6 https://www.jk-sci.com/products/j5316521 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cd699eebd8bb672bec3d69ff2fb1b5c.jpg?v=1791412083 (2S)-Methylglycidate, Purity by GC ≥ 98% | 118712-39-3 (2S)-Methylglycidate|16521|118712-39-3 https://www.jk-sci.com/products/j5316541 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2d3d0265548170617387fc1ed961fa.jpg?v=1791412055 Methyl-(R)-(-)-mandelate, Purity by HPLC ≥ 98% | 20698-91-3 Methyl-(R)-(-)-mandelate|16541|20698-91-3 https://www.jk-sci.com/products/j5316595 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a2d9850e75107eb5fcd207cdd55cc75.jpg?v=1791411988 D-Indoline-2-carboxylic acid, Assay ≥ 97% | 98167-06-7 D-Indoline-2-carboxylic acid|16595|98167-06-7 https://www.jk-sci.com/products/j5316570 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/185632052cd1a4fb337b824808418d49.jpg?v=1791412020 D-Norvalinol, Purity ≥ 98% | 80696-30-6 D-Norvalinol|16570|80696-30-6 https://www.jk-sci.com/products/j5316626 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ebbf9f020b61eebbc90fe377f28b331.jpg?v=1791411953 Boc-D-Tryptophanol, Purity by HPLC ≥ 99% | 158932-00-4 Boc-D-Tryptophanol|16626|158932-00-4 https://www.jk-sci.com/products/j5316614 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0fe90dfe75776b51417abfe21128f3d.jpg?v=1791411962 (S)-(+)-Methoxyphenylacetic acid, Purity by HPLC ≥ 99% | 26164-26-1 (S)-(+)-Methoxyphenylacetic acid|16614|26164-26-1 https://www.jk-sci.com/products/s57c4x-12408 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472583_7ffe47d5-6b37-4821-a921-75eeacf1f600.png?v=1791381166 Ziprasidone EP Impurity A HCl, Purity: 99.9% | 87691-88-1 Ziprasidone EP Impurity A HCl|C4X-12408|87691-88-1 https://www.jk-sci.com/products/j5316639 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08fc2e562005841e28df1848d0a832b5.jpg?v=1791411933 Boc-(S)-2-thienylglycine, Purity by HPLC ≥ 99% | 40512-56-9 Boc-(S)-2-thienylglycine|16639|40512-56-9 https://www.jk-sci.com/products/j5316636 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f97a684028854e915cdbd30608b61064.jpg?v=1791411938 D-b-Homoalanine hydrochloride, Purity by HPLC ≥ 98% | 58610-42-7 D-b-Homoalanine hydrochloride|16636|58610-42-7 https://www.jk-sci.com/products/j5314323 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/000146a20cf51c53d5e187d5b8fdb168.jpg?v=1791413773 3-Bromo-D-phenylalanine, Chiral HPLC ≥ 98% min., ee ≥98% min. || Purity by HPLC ≥ 98% | 99295-78-0 3-Bromo-D-phenylalanine|14323|99295-78-0 https://www.jk-sci.com/products/s57c4x-124137 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91914987045a70473e1b8466d8818efe.jpg?v=1791381159 Minodronic Acid, 99.60% | 180064-38-4 Minodronic Acid|C4X-124137|180064-38-4 https://www.jk-sci.com/products/s57c4x-124217 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/703c34274c1cff8796e4a65af9406dca.jpg?v=1791381152 Rocuronium Impurity 17, 88.50% | 963-75-7 Rocuronium Impurity 17|C4X-124217|963-75-7 https://www.jk-sci.com/products/j5315315 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7febff69e12d15629f62d94048b083e8.jpg?v=1791413085 Boc-2-cyano-D-b-homophenylalanine, Purity by HPLC ≥ 98% | 269726-80-9 Boc-2-cyano-D-b-homophenylalanine|15315|269726-80-9 https://www.jk-sci.com/products/j5315557 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/771578f842526e7ddc8d32576886e07e.jpg?v=1791412797 Boc-(S)-3-amino-3-(3-chlorophenyl)propionic acid, Purity by HPLC ≥ 98% | 500770-74-1 Boc-(S)-3-amino-3-(3-chlorophenyl)propionic acid|15557|500770-74-1 https://www.jk-sci.com/products/s57c4x-12423 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8dd66062f8f574a9864a0f28bff983b.jpg?v=1791381144 Rocuronium EP Impurity C, Purity: 98.7% | 119302-86-2 Rocuronium EP Impurity C|C4X-12423|119302-86-2 https://www.jk-sci.com/products/j5315642 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02a720516d8ec724c337762acb91d154.jpg?v=1791412702 Fmoc-(S)-3-amino-3-(3-methoxyphenyl)propionic acid, Purity by HPLC ≥ 95% | 501015-29-8 Fmoc-(S)-3-amino-3-(3-methoxyphenyl)propionic acid|15642|501015-29-8 https://www.jk-sci.com/products/j5315718 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9bbc03e4fd4559890e1469ae7509362.jpg?v=1791412623 Boc-(S)-3-amino-3-(2-furyl)propionic acid, Purity by HPLC ≥ 98% | 1217736-81-6 Boc-(S)-3-amino-3-(2-furyl)propionic acid|15718|1217736-81-6 https://www.jk-sci.com/products/j5315979 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9585717cf9d573104e14b41dda80f02.jpg?v=1791412504 (R)-g-Propynyl-L-proline·HCl | 1049755-32-9 (R)-g-Propynyl-L-proline·HCl|15979|1049755-32-9 https://www.jk-sci.com/products/s57c4x-124260 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0acae31a-a035-412c-bc7f-726433a1f369.png?v=1791381137 Rocuronium Impurity 60, 90.60% Rocuronium Impurity 60|C4X-124260 https://www.jk-sci.com/products/s57c4x-124415 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9de5bd2d6672802d15855bea9e795ab.jpg?v=1791381116 Quetiapine EP Impurity D, 95.20% | 945668-94-0 Quetiapine EP Impurity D|C4X-124415|945668-94-0 https://www.jk-sci.com/products/s57c4x-12434 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3594fab1fdcfafc33bfb937c64eb717.jpg?v=1791381132 Efinaconazole Impurity 4, Purity: 99.5% | 135270-05-2 Efinaconazole Impurity 4|C4X-12434|135270-05-2 https://www.jk-sci.com/products/s57c4x-124421 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b5847674ec6f9e3fedc324f4f11e769.jpg?v=1791381110 Quetiapine EP Impurity W, 99.10% | 1800608-95-0 Quetiapine EP Impurity W|C4X-124421|1800608-95-0 https://www.jk-sci.com/products/j5316105 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d8e6d5a6736dd3245c7033cb41223af.jpg?v=1791412366 1-(Boc-amino)-4-methyl-cyclohex-3-ene-1-carboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 289914-86-9 1-(Boc-amino)-4-methyl-cyclohex-3-ene-1-carboxylic acid|16105|289914-86-9 https://www.jk-sci.com/products/j5316042 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e944f91ae73d54a143adb1dabd939168.jpg?v=1791412417 Boc-(±)-trans-4-(4-hydroxyphenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 96% | 959574-90-4 Boc-(±)-trans-4-(4-hydroxyphenyl)pyrrolidine-3-carboxylic acid|16042|959574-90-4 https://www.jk-sci.com/products/j5316126 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27f9b0a7d2a00769b9a4bbb5b37f34b3.jpg?v=1791412332 Boc-trans-1,2-aminocyclohex-4-ene carboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 865689-24-3 Boc-trans-1,2-aminocyclohex-4-ene carboxylic acid|16126|865689-24-3 https://www.jk-sci.com/products/a01957352 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3aced3e11142e2beee6625731f790c4c.jpg?v=1790205648 1,3,3-Trimethyl-3,4-dihydroisoquinoline, 97% | 79023-51-1 1,3,3-Trimethyl-3,4-dihydroisoquinoline, 97%|957352|79023-51-1 https://www.jk-sci.com/products/s57c4x-124433 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157622_9e0f614c-85c7-46df-bb21-5d57fcfbd4ee.png?v=1791381098 Quetiapine EP Impurity S, 94.60% | 329216-63-9 Quetiapine EP Impurity S|C4X-124433|329216-63-9 https://www.jk-sci.com/products/j5316146 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbf152814e6488f46819779ca8ddc5f7.jpg?v=1791412299 (S)-1-Boc-2-piperidinemethanol, Purity by HPLC ≥ 99% | 134441-93-3 (S)-1-Boc-2-piperidinemethanol|16146|134441-93-3 https://www.jk-sci.com/products/a01957667 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/187a4500f580b6b266ac93d74097a4b0.jpg?v=1790205643 2-(t-Butylphenylphosphino)-2',6'-dimethylamino-1,1'-biphenyl, 98% | 1660153-91-2 2-(t-Butylphenylphosphino)-2',6'-dimethylamino-1,1'-biphenyl, 98%|957667|1660153-91-2 https://www.jk-sci.com/products/j5316201 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf97095accac13f82d28b0b05652f903.jpg?v=1791412226 Na-Benzyl-Na-methyl-L-alanine methyl ester hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 175853-53-9 Na-Benzyl-Na-methyl-L-alanine methyl ester hydrochloride|16201|175853-53-9 https://www.jk-sci.com/products/j5316187 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2862f911042728cf916b15b0002e57d6.jpg?v=1791412247 Na-Fmoc-Ng-(4-methyltrityl)-D-2,4-diaminobutyric acid, Assay by titration ≥ 95% || Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 1217809-38-5 Na-Fmoc-Ng-(4-methyltrityl)-D-2,4-diaminobutyric acid|16187|1217809-38-5 https://www.jk-sci.com/products/a01957721 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/905533670b69ab867b391d231b21abfb.jpg?v=1790205634 BDP FL NHS Ester, 98% | 146616-66-2 BDP FL NHS Ester, 98%|957721|146616-66-2 https://www.jk-sci.com/products/s57c4x-124457 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_14e8159b-68e2-4d59-b1fd-ede5ab8f1f30.png?v=1791381079 Quetiapine Impurity 57, 97.00% Quetiapine Impurity 57|C4X-124457 https://www.jk-sci.com/products/s57c4x-124461 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ef326550fa96cc5d18f8a81729d6cf6.jpg?v=1791381074 Quetiapine Impurity 61, 100.00% | 65141-02-8 Quetiapine Impurity 61|C4X-124461|65141-02-8 https://www.jk-sci.com/products/s57c4x-124471 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e93b0aeae44be85dc8cf8802e663b5bf.jpg?v=1791381064 Quetiapine impurity 71, Purity: 96.0% | 1798293-04-5 Quetiapine impurity 71|C4X-124471|1798293-04-5 https://www.jk-sci.com/products/s57c4x-124520 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba2a88c81d81be8af70feacea8f9446c.jpg?v=1791381050 Cefuroxime Sodium EP Impurity I, 89.10% | 39684-61-2 Cefuroxime Sodium EP Impurity I|C4X-124520|39684-61-2 https://www.jk-sci.com/products/j5316229 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/911382116406aa1e4f3b7e8ee7c8bf4b.jpg?v=1791412189 Z-cis-1,2-aminocyclohex-4-ene carboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 124753-65-7 Z-cis-1,2-aminocyclohex-4-ene carboxylic acid|16229|124753-65-7 https://www.jk-sci.com/products/s57c4x-12455 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6e93c3938919177cef9615b9ed0def.jpg?v=1791381037 Cefuroxime Sodium EP Impurity E, Purity: 96.2% | 97232-97-8 Cefuroxime Sodium EP Impurity E|C4X-12455|97232-97-8 https://www.jk-sci.com/products/j5318161 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5fc0f1da9fc584d508e9df3915ecd27.jpg?v=1791410131 8-Boc-3,8-diaza-bicyclo[3.2.1]octane, Purity ≥ 95% | 149771-44-8 8-Boc-3,8-diaza-bicyclo[3.2.1]octane|18161|149771-44-8 https://www.jk-sci.com/products/s57c4x-1246 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831916_68002ff6-c62e-4022-a885-23d340c8015f.png?v=1791381024 Ambrisentan, 99.40% | 177036-94-1 Ambrisentan|C4X-1246|177036-94-1 https://www.jk-sci.com/products/s57c4x-12472 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/112fc84809d3c23320afed632c2a15db.jpg?v=1791381008 Bisoprolol EP Impurity B, 94.80% | 1447715-44-7 Bisoprolol EP Impurity B|C4X-12472|1447715-44-7 https://www.jk-sci.com/products/a01144601 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522267.png?v=1790216046 2-Acetamidopyridine-5-carboxylic acid, 97% | 21550-48-1 2-Acetamidopyridine-5-carboxylic acid, 97%|144601|21550-48-1 https://www.jk-sci.com/products/j5316241 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d408ca78221018877bc3f9bad4498a10.jpg?v=1791412174 (S)-Na-Z-Nb-Boc-2,3-diaminopropan-1-ol, Purity by HPLC ≥ 99% | 199005-69-1 (S)-Na-Z-Nb-Boc-2,3-diaminopropan-1-ol|16241|199005-69-1 https://www.jk-sci.com/products/s57c4x-12471 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5700d878f6a8a7695ad7f5d313197a8d.jpg?v=1791381016 Bisoprolol EP Impurity A, 96.60% | 62572-93-4 Bisoprolol EP Impurity A|C4X-12471|62572-93-4 https://www.jk-sci.com/products/s57c4x-124737 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3387422093ece8260ef6dbb3ff9f5750.jpg?v=1791380996 Bisoprolol Impurity 37, 97.20% | 4204-78-8 Bisoprolol Impurity 37|C4X-124737|4204-78-8 https://www.jk-sci.com/products/s57c4x-124755 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebebacec16f95f24ba5934d156c5f5db.jpg?v=1791380986 Bisoprolol Impurity 55, 95.60% | 2417155-08-7 Bisoprolol Impurity 55|C4X-124755|2417155-08-7 https://www.jk-sci.com/products/j5316262 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56c8de10f2139b0a079691b151f6f0f8.jpg?v=1791412155 1-(Fmoc-aminomethyl)cyclopropyl-1-carboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1263045-62-0 1-(Fmoc-aminomethyl)cyclopropyl-1-carboxylic acid|16262|1263045-62-0 https://www.jk-sci.com/products/a01145159 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145159_fff07080-20c4-4277-a2a8-37ff7030e84d.png?v=1788000889 Melanotan II, 98% | 121062-08-6 Melanotan II, 98%|145159|121062-08-6 https://www.jk-sci.com/products/s57c4x-124789 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc9bd3ece8fbe8cf0b1e4e113c9c8716.jpg?v=1791380976 Bisoprolol Impurity 89, 99.90% | 2417155-12-3 Bisoprolol Impurity 89|C4X-124789|2417155-12-3 https://www.jk-sci.com/products/j5316453 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fbd0002678c882a7af27d2a516c32b0.jpg?v=1791412110 (4-Methylphenylsulfonylamino)acetic acid, Purity by HPLC ≥ 98% | 1080-44-0 (4-Methylphenylsulfonylamino)acetic acid|16453|1080-44-0 https://www.jk-sci.com/products/j5316401 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f729f74b4a9e8edf011fd965865b6d39.jpg?v=1791412133 n-Dodecylpentaoxyethylene, Assay ≥ 99% (Elemental Analysis based on Carbon content) || Purity by GC ≥ 99% | 3055-95-6 n-Dodecylpentaoxyethylene|16401|3055-95-6 https://www.jk-sci.com/products/j5316531 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2db0610542b39b406fd00d2c7a4df1b.jpg?v=1791412069 5-Isopropyl-1,3-cyclohexanedione, Purity by GC ≥ 99% | 18456-87-6 5-Isopropyl-1,3-cyclohexanedione|16531|18456-87-6 https://www.jk-sci.com/products/s57c4x-12483 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3687df69879380fe9cd11ee914976601.jpg?v=1791380962 Valaciclovir EP Impurity C, Purity: 98.3% | 1346747-65-6 Valaciclovir EP Impurity C|C4X-12483|1346747-65-6 https://www.jk-sci.com/products/s57c4x-124824 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212279.png?v=1791380968 Valaciclovir EP Impurity G, 98.90% | 1122-58-3 Valaciclovir EP Impurity G|C4X-124824|1122-58-3 https://www.jk-sci.com/products/s57c4x-124826 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03412f0fcbac39742d50c83b3e920cf1.jpg?v=1791380967 Valaciclovir EP Impurity H(hydrochloride), 91.40% | 84499-63-8 Valaciclovir EP Impurity H(hydrochloride)|C4X-124826|84499-63-8 https://www.jk-sci.com/products/j5316581 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eb1ce441dca79b3c5133ab7070d347f.jpg?v=1791411999 (2R,5S)-2-Trichloromethyl-3-oxa-1-azabicyclo[3·3·0]octan-4-one, Purity ≥ 97% | 97538-67-5 (2R,5S)-2-Trichloromethyl-3-oxa-1-azabicyclo[3·3·0]octan-4-one|16581|97538-67-5 https://www.jk-sci.com/products/s57c4x-124818 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b8f5669b-0e65-411a-9f0b-52b7b6f6784a.png?v=1791380976 Valaciclovir EP Impurity R hydrochloride, 91.20% Valaciclovir EP Impurity R hydrochloride|C4X-124818 https://www.jk-sci.com/products/j5316621 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96bb3bf14154d09489131e9c9646786b.jpg?v=1791411957 D-2-Cyclohexylglycine, Assay by titration 99-101% || Purity by GC ≥ 98% | 14328-52-0 D-2-Cyclohexylglycine|16621|14328-52-0 https://www.jk-sci.com/products/s57c4x-124831 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260054.png?v=1791380958 Valaciclovir EP Impurity E, 96.40% | 124832-31-1 Valaciclovir EP Impurity E|C4X-124831|124832-31-1 https://www.jk-sci.com/products/a01145284 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145284.png?v=1790216028 Ethylene glycol bis(3-mercaptopropionate), 97% | 22504-50-3 Ethylene glycol bis(3-mercaptopropionate), 97%|145284|22504-50-3 https://www.jk-sci.com/products/j5316637 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e136b7cae010d251e3d309cfeaa91509.jpg?v=1791411938 Boc-D-b-homoproline, Purity ≥ 96% | 101555-60-6 Boc-D-b-homoproline|16637|101555-60-6 https://www.jk-sci.com/products/s57c4x-12486 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_41da69bf-8d06-4a95-aac8-53512178187f.png?v=1791380950 Valaciclovir EP Impurity F(p-toluenesulfonic acid), 99.50% Valaciclovir EP Impurity F(p-toluenesulfonic acid)|C4X-12486 https://www.jk-sci.com/products/s57c4x-1252 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443fd952a20e49f464a1c2eb91f849dc.jpg?v=1791380945 Perindopril T-Butylamine, 98.20% | 107133-36-8 Perindopril T-Butylamine|C4X-1252|107133-36-8 https://www.jk-sci.com/products/s57c4x-124849 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_32583fa0-376c-499e-bebe-3e8dab3e3871.png?v=1791380952 N-Nitroso Valaciclovir EP Impurity C, 96.80% N-Nitroso Valaciclovir EP Impurity C|C4X-124849 https://www.jk-sci.com/products/j5316684 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a222aa0a51dd88741e3980ca3be0f819.jpg?v=1791411904 Fmoc-(2S,3S)-3-amino-2-hydroxy-3-phenylpropionic acid, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 596096-27-4 Fmoc-(2S,3S)-3-amino-2-hydroxy-3-phenylpropionic acid|16684|596096-27-4 https://www.jk-sci.com/products/s57c4x-125210 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0f1e743af41c161786a062194b5f869.jpg?v=1791380941 Perindopril Impurity 10, Purity: 98.3% | 144540-75-0 Perindopril Impurity 10|C4X-125210|144540-75-0 https://www.jk-sci.com/products/j5316776 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad6a9147715592a97ac331a13398f325.jpg?v=1791411855 L-2-Carbamoylphenylalanine | 959581-86-3 L-2-Carbamoylphenylalanine|16776|959581-86-3 https://www.jk-sci.com/products/j5316785 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d365985818a8754096310840dabeee0.jpg?v=1791411843 Fmoc-D-2-carbamoylphenylalanine, Assay ≥ 98% | 1217759-04-0 Fmoc-D-2-carbamoylphenylalanine|16785|1217759-04-0 https://www.jk-sci.com/products/j5316781 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b350dd8ef15e65f29dcb2cd5271aa03.jpg?v=1791411848 Boc-D-4-carbamoylphenylalanine, Purity by HPLC ≥ 98% | 1213639-41-8 Boc-D-4-carbamoylphenylalanine|16781|1213639-41-8 https://www.jk-sci.com/products/s57c4x-12522 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d533dc6a5df091808ae7b8ac92b8e91.jpg?v=1791380936 Perindopril EP Impurity D, 94.60% | 130061-28-8 Perindopril EP Impurity D|C4X-12522|130061-28-8 https://www.jk-sci.com/products/s57c4x-125229 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cafc2c469453ce6aa07d5ed0063bd931.jpg?v=1791380932 Perindopril Impurity 29, Purity: 100.0% | 82834-11-5 Perindopril Impurity 29|C4X-125229|82834-11-5 https://www.jk-sci.com/products/j5316807 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99dfbe13eec12d3875eefb7347d9f9f0.jpg?v=1791411815 Boc-L-2,4-dimethylphenylalanine, Purity by HPLC ≥ 99% | 849440-31-9 Boc-L-2,4-dimethylphenylalanine|16807|849440-31-9 https://www.jk-sci.com/products/j5316799 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6544fb68fc44b6ea071c3add42215882.jpg?v=1791411825 Boc-D-cyclopropylglycine, Chiral HPLC ≥ 98% | 609768-49-2 Boc-D-cyclopropylglycine|16799|609768-49-2 https://www.jk-sci.com/products/s57c4x-125227 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37de349e-054b-4c65-bf27-a305ad9041b5.png?v=1791380934 Perindopril Impurity 27, Purity: 98.4% Perindopril Impurity 27|C4X-125227 https://www.jk-sci.com/products/j5316816 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f0d82f089fadc36346e5127733e6e1e.jpg?v=1791411809 threo-N-Boc-L-phenylalanine epoxide, Purity by HPLC ≥ 99% | 98760-08-8 threo-N-Boc-L-phenylalanine epoxide|16816|98760-08-8 https://www.jk-sci.com/products/j5316850 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52870608fa50ad302cf61a6fa259f340.jpg?v=1791411752 Boc-dipropylglycine, Purity by HPLC ≥ 98% | 87113-32-4 Boc-dipropylglycine|16850|87113-32-4 https://www.jk-sci.com/products/s57c4x-125231 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_725e1c28-b7f0-4ae0-a67b-4bd92541a74f.png?v=1791380923 Perindopril Impurity 31, Purity: 98.5% Perindopril Impurity 31|C4X-125231 https://www.jk-sci.com/products/s57c4x-125234 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6ea9bd5-5f8f-401d-82fd-cc12abf6242f.png?v=1791380921 Perindopril Impurity 34, 93.00% Perindopril Impurity 34|C4X-125234 https://www.jk-sci.com/products/s57c4x-125238 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304564.png?v=1791380918 Perindopril Impurity 38, 93.50% | 80828-13-3 Perindopril Impurity 38|C4X-125238|80828-13-3 https://www.jk-sci.com/products/a01145432 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145432.png?v=1790216023 Cefotaxime acid, 97% | 63527-52-6 Cefotaxime acid, 97%|145432|63527-52-6 https://www.jk-sci.com/products/s57c4x-12524 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/833169.png?v=1791380913 Perindopril EP Impurity F, 94.20% | 129970-98-5 Perindopril EP Impurity F|C4X-12524|129970-98-5 https://www.jk-sci.com/products/j5316861 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abbc6c873ecf7ef9a74c4f3454e2fb42.jpg?v=1791411732 Fmoc-2-(Boc-aminomethyl)phenylalanine, Purity by HPLC ≥ 99% | 1217808-42-8 Fmoc-2-(Boc-aminomethyl)phenylalanine|16861|1217808-42-8 https://www.jk-sci.com/products/j5316870 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c6cb203081d50a425e76f82b9739b51.jpg?v=1791411722 (R)-a-Benzyl proline·HCl, Purity by HPLC ≥ 99% | 86116-84-9 (R)-a-Benzyl proline·HCl|16870|86116-84-9 https://www.jk-sci.com/products/j5316880 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a05eaa0812bef77d3675b674556401fb.jpg?v=1791411711 Fmoc-O-allyl-L-m-tyrosine, Purity by HPLC ≥ 99% | 1175973-95-1 Fmoc-O-allyl-L-m-tyrosine|16880|1175973-95-1 https://www.jk-sci.com/products/a01145458 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297311.png?v=1790216019 4-Nitrobenzoic acid, 99% | 62-23-7 4-Nitrobenzoic acid, 99%|145458|62-23-7 https://www.jk-sci.com/products/s57c4x-12525 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281311.png?v=1791380909 Perindopril Related Compound B, 97.50% | 95153-31-4 Perindopril Related Compound B|C4X-12525|95153-31-4 https://www.jk-sci.com/products/j5316902 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d0c2ce3ebbcd789fe316449bc7b290a.jpg?v=1791411692 Biotin p-nitrophenyl ester, Purity by HPLC ≥ 99% | 33755-53-2 Biotin p-nitrophenyl ester|16902|33755-53-2 https://www.jk-sci.com/products/s57c4x-125277 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2c380889-be1b-4927-bcb4-597acf6447fe.png?v=1791380904 Perindopril EP impurity M, Purity: 97.8% Perindopril EP impurity M|C4X-125277 https://www.jk-sci.com/products/j5316945 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10f033a34a190c61e1544a2b67302d88.jpg?v=1791411674 Na-Fmoc-L-glutamic acid a-benzyl ester, Purity by HPLC ≥ 98% | 122350-52-1 Na-Fmoc-L-glutamic acid a-benzyl ester|16945|122350-52-1 https://www.jk-sci.com/products/j5316971 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608e33d55fcdb4ab950be5af30c90e7a.jpg?v=1791411657 3-Amino-2-chloropyridine, Purity by HPLC ≥ 99% | 6298-19-7 3-Amino-2-chloropyridine|16971|6298-19-7 https://www.jk-sci.com/products/j5316976 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02d9665b19d29c9495609d514437edcc.jpg?v=1791411648 5-Bromo-2-methylpyridine, Purity by GC ≥ 98% | 3430-13-5 5-Bromo-2-methylpyridine|16976|3430-13-5 https://www.jk-sci.com/products/j5316989 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36e8f1e9795d887ddc72bd741003645d.jpg?v=1791411628 N-Boc-4-piperidinemethanol, Purity by GC ≥ 99% | 123855-51-6 N-Boc-4-piperidinemethanol|16989|123855-51-6 https://www.jk-sci.com/products/s57c4x-125283 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c6d9a379-f313-4858-8005-51ba81498523.png?v=1791380901 Perindopril Impurity 36 t-Butylamine, 98.60% Perindopril Impurity 36 t-Butylamine|C4X-125283 https://www.jk-sci.com/products/j5317003 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dcb05aab2498c568027caf283037f01.jpg?v=1791411591 N-4-Boc-aminocyclohexanone, Purity by GC ≥ 98% | 179321-49-4 N-4-Boc-aminocyclohexanone|17003|179321-49-4 https://www.jk-sci.com/products/a01146235 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146235.png?v=1790216009 3-Hydroxybenzaldehyde, 99% | 100-83-4 3-Hydroxybenzaldehyde, 99%|146235|100-83-4 https://www.jk-sci.com/products/j5316994 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90ea65da9b865770a5000434314a130d.jpg?v=1791411614 2-Bromopyridine-5-boronic acid, Assay ≥ 99% | 223463-14-7 2-Bromopyridine-5-boronic acid|16994|223463-14-7 https://www.jk-sci.com/products/j5317007 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe68f709339f15ed4064d993af1497a0.jpg?v=1791411581 1-Pyridin-4-yl-ethylamine, Purity ≥ 95% | 50392-78-4 1-Pyridin-4-yl-ethylamine|17007|50392-78-4 https://www.jk-sci.com/products/s57c4x-125311 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d0647978284554d894acb1a3817dc89.jpg?v=1791380896 Gatifloxacin Related Compound D(3-Desmethyl Gatifloxacin), 95.30% | 112811-57-1 Gatifloxacin Related Compound D(3-Desmethyl Gatifloxacin)|C4X-125311|112811-57-1 https://www.jk-sci.com/products/s57c4x-125317 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06332a91b8fbecffb6476c4daa7e586a.jpg?v=1791380894 Gatifloxacin Impurity 17, 73.90% | 1048972-28-6 Gatifloxacin Impurity 17|C4X-125317|1048972-28-6 https://www.jk-sci.com/products/s57c4x-12537 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ca48add1a227cec0f3c6aada94450e5.jpg?v=1791380890 Gatifloxacin Impurity 7, 96.50% | 172426-87-8 Gatifloxacin Impurity 7|C4X-12537|172426-87-8 https://www.jk-sci.com/products/j5315107 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a6ff1fe06cd0257bb35118144564ff7.jpg?v=1791413320 Boc-3-nitro-L-phenylalanine, Purity by HPLC ≥ 98% | 131980-29-5 Boc-3-nitro-L-phenylalanine|15107|131980-29-5 https://www.jk-sci.com/products/s57c4x-12539 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68be0dc9a3da83f780c49d52c53157cd.jpg?v=1791380885 Gatifloxacin USP RC E, 93.80% | 1029364-65-5 Gatifloxacin USP RC E|C4X-12539|1029364-65-5 https://www.jk-sci.com/products/a01146612 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461016.png?v=1790216004 4-(Trifluoromethyl)benzoic acid, 99% | 455-24-3 4-(Trifluoromethyl)benzoic acid, 99%|146612|455-24-3 https://www.jk-sci.com/products/a01146749 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259007.png?v=1790215999 2-Morpholinobenzoic acid, 97% | 42106-48-9 2-Morpholinobenzoic acid, 97%|146749|42106-48-9 https://www.jk-sci.com/products/s57c4x-125419 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_51fe18e7-60d0-410e-bcfe-e2d836300024.png?v=1791380882 Tirofiban Impurity 19 DiHCl, 89.10% Tirofiban Impurity 19 DiHCl|C4X-125419 https://www.jk-sci.com/products/j5315591 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc27fda45e086609d816907a5fbbd044.jpg?v=1791412759 Boc-(R)-3-amino-3-(3-cyanophenyl)propionic acid, Purity by HPLC ≥ 98% | 501015-21-0 Boc-(R)-3-amino-3-(3-cyanophenyl)propionic acid|15591|501015-21-0 https://www.jk-sci.com/products/s57c4x-1255 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6533697682a3bb37ed63ecbdeb056145_4d7e1a11-d909-44b1-8006-9ee4ded4152f.jpg?v=1791380875 Omeprazole, 99.10% | 73590-58-6 Omeprazole|C4X-1255|73590-58-6 https://www.jk-sci.com/products/s57c4x-12567 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b16df53302c1cbd0cf978591fde0dba.jpg?v=1791380856 Nilotinib-d3, Purity>95% | 1215678-43-5 Nilotinib-d3|C4X-12567|1215678-43-5 https://www.jk-sci.com/products/j5316067 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd3f7f9bb191972dd2c49910b11e6b48.jpg?v=1791412382 2-(4-Boc-piperazinyl)-2-(3-chlorophenyl)acetic acid, Purity by HPLC ≥ 98% | 885272-99-1 2-(4-Boc-piperazinyl)-2-(3-chlorophenyl)acetic acid|16067|885272-99-1 https://www.jk-sci.com/products/s57c4x-12563 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499054_1bb8c857-bfcd-49fd-a10c-8417aed4503b.png?v=1791380862 Imatinib EP Impurity A, 98.80% | 55314-16-4 Imatinib EP Impurity A|C4X-12563|55314-16-4 https://www.jk-sci.com/products/s57c4x-12555 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fafd73212308281527335e938f2309d_adb6503f-7d3b-4065-94a9-4cb791c113e4.jpg?v=1791380875 Esomeprazole EP Impurity E(Omeprazole EP Impurity E), 99.10% | 176219-04-8 Esomeprazole EP Impurity E(Omeprazole EP Impurity E)|C4X-12555|176219-04-8 https://www.jk-sci.com/products/s57c4x-125622 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a1c241dd7689ce2d40885c1b0beffb6.jpg?v=1791380869 Nilotinib Impurity 22, Purity: 98.8% | 641569-96-2 Nilotinib Impurity 22|C4X-125622|641569-96-2 https://www.jk-sci.com/products/s57c4x-125626 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a4d6cb509847b6e3977b1cccc9eb51_2a55823e-7cc0-446e-8ff7-69fdf57365ed.jpg?v=1791380863 Nilotinib Impurity 26, Purity: 99.4% | 641569-94-0 Nilotinib Impurity 26|C4X-125626|641569-94-0 https://www.jk-sci.com/products/j5315889 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7255ddd91d94927f2e86aebfd2bd96b.jpg?v=1791412550 (S)-a-Propynylproline·HCl | 1217828-88-0 (S)-a-Propynylproline·HCl|15889|1217828-88-0 https://www.jk-sci.com/products/a01256812 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256812.png?v=1788925316 5-Amino-4,6-dichloropyrimidine, 97% | 5413-85-4 5-Amino-4,6-dichloropyrimidine, 97%|256812|5413-85-4 https://www.jk-sci.com/products/s57c4x-125810 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0fc607a-65da-45e3-9539-033ec3c2230b.png?v=1791380849 Buspirone EP Impurity J HCl, 96.20% Buspirone EP Impurity J HCl|C4X-125810 https://www.jk-sci.com/products/a01256885 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256885_b813742c-91c0-4ccc-9737-a6f10b844b8f.png?v=1788925311 Z-His-OH, 98% | 14997-58-1 Z-His-OH, 98%|256885|14997-58-1 https://www.jk-sci.com/products/j5316136 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8d8b557501d00671ef1ef3ece6a64ae.jpg?v=1791412318 Na,Nb-Di-Boc-D-2,3-diaminopropionic acid dicyclohexylamine salt, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1423018-02-3 Na,Nb-Di-Boc-D-2,3-diaminopropionic acid dicyclohexylamine salt|16136|1423018-02-3 https://www.jk-sci.com/products/a012573654 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce103ae240b26bf92748425b6d0a3431.jpg?v=1788925274 PFN-Br, 98% | 889672-99-5 PFN-Br, 98%|2573654|889672-99-5 https://www.jk-sci.com/products/j5316191 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5984c73afd625d6d28c54981c46dfaf2.jpg?v=1791412242 Na-Fmoc-Nd-xanthyl-D-glutamine, Purity by HPLC ≥ 99% | 1313054-52-2 Na-Fmoc-Nd-xanthyl-D-glutamine|16191|1313054-52-2 https://www.jk-sci.com/products/s57c4x-125816 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7353b8f6eaeeca2d30ed15266355f308.jpg?v=1791380839 Buspirone N-Oxide, 95.90% | 220747-81-9 Buspirone N-Oxide|C4X-125816|220747-81-9 https://www.jk-sci.com/products/s57c4x-12582 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/094ad8319106b18c9b5c12ea45f1036e.jpg?v=1791380834 Buspirone EP Impurity B, 96.20% | 81461-73-6 Buspirone EP Impurity B|C4X-12582|81461-73-6 https://www.jk-sci.com/products/s57c4x-125821 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c0eabb9af5e7b5831e2c2e712b94cf8.jpg?v=1791380829 Buspirone Impurity 21, 91.90% | 137583-05-2 Buspirone Impurity 21|C4X-125821|137583-05-2 https://www.jk-sci.com/products/s57c4x-125823 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6f332b60542f8cd4fae8d011bd5c6ad.jpg?v=1791380830 Buspirone Impurity 23, 95.00% | 20261-27-2 Buspirone Impurity 23|C4X-125823|20261-27-2 https://www.jk-sci.com/products/j5316237 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1cd1e42f-d2ec-4c01-ac9a-2e2b51af024a.png?v=1791412177 Z-L-aspartic acid b-allyl ester dicyclohexylamine, Purity by HPLC ≥ 98% | 99793-10-9 Z-L-aspartic acid b-allyl ester dicyclohexylamine|16237|99793-10-9 https://www.jk-sci.com/products/s57c4x-125825 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e99f3405c3fde2ad95697ec800f28a20.jpg?v=1791380825 Buspirone Impurity 25, 99.70% | 872826-80-7 Buspirone Impurity 25|C4X-125825|872826-80-7 https://www.jk-sci.com/products/a012575539 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9d83efa11d6704ccc25d482405f3565.jpg?v=1788925268 IEICO-4F, 99% | 2089044-02-8 IEICO-4F, 99%|2575539|2089044-02-8 https://www.jk-sci.com/products/s57c4x-12584 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_203168c6-7f9f-4a8d-9952-eb31641f1569.png?v=1791380818 Buspirone EP Impurity D, 99.30% Buspirone EP Impurity D|C4X-12584 https://www.jk-sci.com/products/j5316296 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/624d0813edb6cbdd09d2f99146c8fae7.jpg?v=1791412149 L-lysine benzyl ester di-4-toluenesulfonate salt | 16259-78-2 L-lysine benzyl ester di-4-toluenesulfonate salt|16296|16259-78-2 https://www.jk-sci.com/products/j5316511 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/887e688f884c09894b1ed1d7c9ccc233.jpg?v=1791412095 N-Boc-3-pyrrolidinone, Purity by GC ≥ 98% | 101385-93-7 N-Boc-3-pyrrolidinone|16511|101385-93-7 https://www.jk-sci.com/products/s57c4x-12586 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a9f9d91b-1dad-4a48-9117-0789fbaa346e.png?v=1791380811 Buspirone EP Impurity F, Purity: 95.4% Buspirone EP Impurity F|C4X-12586 https://www.jk-sci.com/products/a012575905 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8da64e9ff8912d829e914c9c77e5e901.jpg?v=1790212737 5,6-Dihydroxyindoline hydrobromide, 95% | 138937-28-7 5,6-Dihydroxyindoline hydrobromide, 95%|2575905|138937-28-7 https://www.jk-sci.com/products/s57c4x-126118 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b3c2443833b9934bcfbeeff4177f7a7.jpg?v=1791380804 Cephalexin Impurity 18, 94.20% | 34632-04-7 Cephalexin Impurity 18|C4X-126118|34632-04-7 https://www.jk-sci.com/products/s57c4x-12589 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93ec2322-67d2-4650-a643-274b3ddfb750.png?v=1791380807 Buspirone EP Impurity I, 99.60% Buspirone EP Impurity I|C4X-12589 https://www.jk-sci.com/products/j5316642 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c63f9416ae5d4fb77b7ca46fd9ada1ae.jpg?v=1791411924 Boc-(R)-3-Thienylglycine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98% | 33130-97-1 Boc-(R)-3-Thienylglycine|16642|33130-97-1 https://www.jk-sci.com/products/j5316606 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99d2078a1eec96fd6f882975a76363cc.jpg?v=1791411973 (S)-(-)-4-Benzyl-2-oxazolidinone, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98% | 90719-32-7 (S)-(-)-4-Benzyl-2-oxazolidinone|16606|90719-32-7 https://www.jk-sci.com/products/j5316745 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a3325d78771c5fecf84ca7b1252a176.jpg?v=1791411868 Fmoc-L-2-amino-4-bromo-4-pentenoic acid, Purity by HPLC ≥ 98% | 220497-60-9 Fmoc-L-2-amino-4-bromo-4-pentenoic acid|16745|220497-60-9 https://www.jk-sci.com/products/s57c4x-12616 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91d2ff7c77f9bcb4028ab142b6cbb500.jpg?v=1791380803 Cefalexin EP Impurity F, 90.90% | 79750-46-2 Cefalexin EP Impurity F|C4X-12616|79750-46-2 https://www.jk-sci.com/products/j5316784 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ba5e78c364764512f37b24447ea193c.jpg?v=1791411843 Boc-L-4-carbamoylphenylalanine, Purity by HPLC ≥ 98% | 205126-71-2 Boc-L-4-carbamoylphenylalanine|16784|205126-71-2 https://www.jk-sci.com/products/s57c4x-1266 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1978cd0dd0fffa86f3ab7f1b18aa2fd_89a0e05d-f546-4942-a806-2fbf67199649.jpg?v=1791380795 Nintedanib, 98.50% | 656247-17-5 Nintedanib|C4X-1266|656247-17-5 https://www.jk-sci.com/products/s57c4x-1265 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f7dff102e26eae41df99b8f6f384007.jpg?v=1791380799 Clomipramine Hydrochloride, 99.60% | 17321-77-6 Clomipramine Hydrochloride|C4X-1265|17321-77-6 https://www.jk-sci.com/products/j5316805 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25f52f768846d5bad50969ab62418593.jpg?v=1791411819 L-2,4-Dimethylphenylalanine, Purity by HPLC ≥ 99% | 259726-56-2 L-2,4-Dimethylphenylalanine|16805|259726-56-2 https://www.jk-sci.com/products/j5317018 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69028d74769650cde91396987c560f23.jpg?v=1791411562 2-Bromo-1-[4-(methylsulfonyl)phenyl]-1-ethanone, Purity by GC ≥ 99% | 50413-24-6 2-Bromo-1-[4-(methylsulfonyl)phenyl]-1-ethanone|17018|50413-24-6 https://www.jk-sci.com/products/j5316999 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76acca8542fb1094869edad642b71696.jpg?v=1791411605 2-(4-Methylpiperazin-1-yl)ethylamine, Purity by GC ≥ 98% | 934-98-5 2-(4-Methylpiperazin-1-yl)ethylamine|16999|934-98-5 https://www.jk-sci.com/products/j5316984 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/580a5d0a7e980728dd036dfebf86a600.jpg?v=1791411638 1-Methyl-1H-pyrazole-4-carbaldehyde, Purity by GC ≥ 99% | 25016-11-9 1-Methyl-1H-pyrazole-4-carbaldehyde|16984|25016-11-9 https://www.jk-sci.com/products/j5317027 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7259f9df28c26f17aed6116d976ebc3.jpg?v=1791411548 Thiazole-4-carboxylic acid, Purity ≥ 97% | 3973-08-8 Thiazole-4-carboxylic acid|17027|3973-08-8 https://www.jk-sci.com/products/j5317035 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72fa496fa92ba58b25747851fc9b179b.jpg?v=1791411530 3-Aminomethylpyrrolidine-1-carboxylic acid tert-butyl ester, Purity by GC ≥ 97% | 270912-72-6 3-Aminomethylpyrrolidine-1-carboxylic acid tert-butyl ester|17035|270912-72-6 https://www.jk-sci.com/products/s57c4x-126731 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/995f19cd2106363584516a007643659f_828cd664-0aec-49b5-a78c-88a0a1728281.jpg?v=1791380772 Ixazomib Impurity 31, 97.0%(qNMR:95.5%) | 50-73-7 Ixazomib Impurity 31|C4X-126731|50-73-7 https://www.jk-sci.com/products/j5316849 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8cb4d18cd6ba909cd2a6affff7db49e.jpg?v=1791411752 Boc-a-methyl-L-phenylalanine, Purity by HPLC ≥ 98% | 111771-58-5 Boc-a-methyl-L-phenylalanine|16849|111771-58-5 https://www.jk-sci.com/products/s57c4x-126719 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1bd5cf19d211027c963def34ebe4288.jpg?v=1791380785 Lxazomib Citrate, 98.60% | 1239908-20-3 Lxazomib Citrate|C4X-126719|1239908-20-3 https://www.jk-sci.com/products/s57c4x-126710 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622a24333ecc47814cb1ac0112569a23.jpg?v=1791380786 Ixazomib Impurity 10, 99.60% | 667403-46-5 Ixazomib Impurity 10|C4X-126710|667403-46-5 https://www.jk-sci.com/products/s57c4x-12674 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_edaa73d6-0e9b-41d7-92d9-f2efb1831d2a.png?v=1791380762 Ixazomib Impurity 4, 96.10% Ixazomib Impurity 4|C4X-12674 https://www.jk-sci.com/products/j5317066 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a9fd5ee8c2833e4c5c0663d85dce3cb.jpg?v=1791411479 4-Tetrazol-1-yl-benzoic acid, Purity by HPLC ≥ 95% | 78190-05-3 4-Tetrazol-1-yl-benzoic acid|17066|78190-05-3 https://www.jk-sci.com/products/a01258058 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258058_a59cae03-6a98-4348-89cf-18c969ec9d97.png?v=1790212729 4-Fluorobenzophenone, 98% | 345-83-5 4-Fluorobenzophenone, 98%|258058|345-83-5 https://www.jk-sci.com/products/j5317055 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4b10128911338cb5bfeaf6d09b3a194.jpg?v=1791411496 2-Aminothiazole-4-carboxylic acid, Purity by HPLC ≥ 99% || Purity ≥ 98% | 40283-41-8 2-Aminothiazole-4-carboxylic acid|17055|40283-41-8 https://www.jk-sci.com/products/s57c4x-12664 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14fe9eec7e0c37304c07e31bab08ec61.jpg?v=1791380790 Nintedanib Impurity N4, 94.40% | 1987887-92-2 Nintedanib Impurity N4|C4X-12664|1987887-92-2 https://www.jk-sci.com/products/s57c4x-126729 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31d72a49c66b2139a95e5d6870a2017d.jpg?v=1791380778 Ixazomib Impurity 29, 90.50% | 1201903-03-8 Ixazomib Impurity 29|C4X-126729|1201903-03-8 https://www.jk-sci.com/products/j5316869 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ba20791785bb9e6db6ebb360a4d217e.jpg?v=1791411721 (S)-a-Benzylproline·HCl | 637020-57-6 (S)-a-Benzylproline·HCl|16869|637020-57-6 https://www.jk-sci.com/products/j5317051 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a44ecbabfede73b17f175bfd2da894d9.jpg?v=1791411505 1-Methyl-1H-pyrazole-3-carboxylic acid, Purity by HPLC ≥ 98% | 25016-20-0 1-Methyl-1H-pyrazole-3-carboxylic acid|17051|25016-20-0 https://www.jk-sci.com/products/j5316890 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8daf7464c072470dfaa028ad74e80555.jpg?v=1791411702 4-(4-Formyl-3,5-dimethoxyphenoxy)butyric acid, Purity by HPLC ≥ 97% | 197304-21-5 4-(4-Formyl-3,5-dimethoxyphenoxy)butyric acid|16890|197304-21-5 https://www.jk-sci.com/products/a01258897 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/474839.png?v=1790212698 Cyclopropylcarbamidine hydrochloride, 97% | 57297-29-7 Cyclopropylcarbamidine hydrochloride, 97%|258897|57297-29-7 https://www.jk-sci.com/products/j5316961 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6157271adc15d01c08c84e9690eb0904.jpg?v=1791411663 Fmoc-Tyr(tBu)-Thr[Psi(Me,Me)Pro]-OH, Assay by titration 99.5 - 101.5% || Purity by HPLC ≥ 99% | 920519-31-9 Fmoc-Tyr(tBu)-Thr[Psi(Me,Me)Pro]-OH|16961|920519-31-9 https://www.jk-sci.com/products/s57c4x-126738 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ebef0171-ca2f-41c8-84fb-b2a299a516d4.png?v=1791380767 Ixazomib Impurity 38, Purity: 98.6% Ixazomib Impurity 38|C4X-126738 https://www.jk-sci.com/products/j5317072 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6747d30fd66febae80aa77528084ad3.jpg?v=1791411465 Imidazo[1,2-a]pyridine-2-carboxylic acid, Purity by HPLC ≥ 99% | 64951-08-2 Imidazo[1,2-a]pyridine-2-carboxylic acid|17072|64951-08-2 https://www.jk-sci.com/products/j5317089 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bdfd7a43ae0be304b87e39cc3778159.jpg?v=1791411435 Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate, Purity by GC ≥ 99% | 5744-51-4 Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate|17089|5744-51-4 https://www.jk-sci.com/products/s57c4x-126736 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495088_4ce61352-b61d-43e4-b763-bf739b8122f4.png?v=1791380774 Ixazomib Impurity 6, 99.10% | 76-09-5 Ixazomib Impurity 6|C4X-126736|76-09-5 https://www.jk-sci.com/products/s57c4x-126745 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0df886d0-a187-4f3b-ae93-87d8955f0fa4.png?v=1791380756 Ixazomib Impurity 45, Purity: 100.0% Ixazomib Impurity 45|C4X-126745 https://www.jk-sci.com/products/s57c4x-12675 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a5150b6-9a4b-4d20-8e70-b8da80b9fa6d.png?v=1791380756 Ixazomib Impurity 5, Purity: 96.4% Ixazomib Impurity 5|C4X-12675 https://www.jk-sci.com/products/j5317094 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fae5eaebb7537ec03a12f1504f1198c5.jpg?v=1791411429 3-Chlorophenoxyacetic acid, Purity by HPLC ≥ 99% | 588-32-9 3-Chlorophenoxyacetic acid|17094|588-32-9 https://www.jk-sci.com/products/a01259262 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259262.png?v=1790212690 Acid Red 52, dye content 75% | 3520-42-1 Acid Red 52, dye content 75%|259262|3520-42-1 https://www.jk-sci.com/products/s57c4x-126765 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/611296.png?v=1791380741 Ixazomib Impurity 65, 99.40% | 50-74-8 Ixazomib Impurity 65|C4X-126765|50-74-8 https://www.jk-sci.com/products/s57c4x-126753 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27a1e447-cf2e-4611-9a85-3489381b2acf.png?v=1791380750 Ixazomib Impurity 53, Purity: 98.2% Ixazomib Impurity 53|C4X-126753 https://www.jk-sci.com/products/j5317120 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19264f42a156b0593abfa86f8242b06e.jpg?v=1791411395 4-(4-Pyridinyl)piperidine, Purity ≥ 98% | 581-45-3 4-(4-Pyridinyl)piperidine|17120|581-45-3 https://www.jk-sci.com/products/j5317116 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/045c63208cf8dd828538c0457aa5f156.jpg?v=1791411399 1-Boc-3-phenyl piperazine, Purity by HPLC ≥ 98% | 502649-25-4 1-Boc-3-phenyl piperazine|17116|502649-25-4 https://www.jk-sci.com/products/s57c4x-12678 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_186338ec-830f-438d-9d26-2699960f1c66.png?v=1791380740 Ixazomib Impurity 8, 99.90% Ixazomib Impurity 8|C4X-12678 https://www.jk-sci.com/products/j5317106 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38c80134bd29b16060adf5f2ff7489ae.jpg?v=1791411413 1-Pyridin-3-yl-ethylamine, Purity ≥ 95% (NMR) | 56129-55-6 1-Pyridin-3-yl-ethylamine|17106|56129-55-6 https://www.jk-sci.com/products/j5317146 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890d5873a6f6dcda4201f51b72673c35.jpg?v=1791411356 2-Methoxy-3-pyridinecarboxaldehyde, Purity by GC ≥ 97% | 71255-09-9 2-Methoxy-3-pyridinecarboxaldehyde|17146|71255-09-9 https://www.jk-sci.com/products/j5317138 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279d4b8d8c60401d0e6294072625dad1.jpg?v=1791411365 1H-Benzoimidazole-2-carboxaldehyde, Purity ≥ 95% (NMR) | 3314-30-5 1H-Benzoimidazole-2-carboxaldehyde|17138|3314-30-5 https://www.jk-sci.com/products/a01259777 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259777_aae95d53-427c-4fc3-a27a-8397ea2be538.png?v=1790086208 1-(β-D-Arabinofuranosyl)uracil, 98% | 3083-77-0 1-(β-D-Arabinofuranosyl)uracil, 98%|259777|3083-77-0 https://www.jk-sci.com/products/j5317156 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b4dce2ad647cd55af8bb0848baf550d.jpg?v=1791411336 2-Amino-4-(pyridin-4-yl)-1,3-thiazole, Purity ≥ 95% (NMR) | 30235-28-0 2-Amino-4-(pyridin-4-yl)-1,3-thiazole|17156|30235-28-0 https://www.jk-sci.com/products/s57c4x-12689 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c254247b-a7b1-4713-91a0-8d0af7d63804.png?v=1791380729 Nalmefene Impurity 9, 97.40% Nalmefene Impurity 9|C4X-12689 https://www.jk-sci.com/products/s57c4x-126812 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a883b9eb1faff52cedf88267b989888.jpg?v=1791380734 Nalmefene Impurity 12, 98.10% | 176220-84-1 Nalmefene Impurity 12|C4X-126812|176220-84-1 https://www.jk-sci.com/products/j5317150 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540db4ae3971843507364552997c019a.jpg?v=1791411346 3-Fluoro-5-methylpyridine, Purity by GC ≥ 98% | 407-21-6 3-Fluoro-5-methylpyridine|17150|407-21-6 https://www.jk-sci.com/products/j5317160 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522c0bc25c4beed568b0ab400da9b330.jpg?v=1791411327 6-Methyl-Imidazo[1,2-a]pyridine-2-carboxylic acid, Purity by HPLC ≥ 95% | 80353-93-1 6-Methyl-Imidazo[1,2-a]pyridine-2-carboxylic acid|17160|80353-93-1 https://www.jk-sci.com/products/s57c4x-127027 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3399918f15ae582933965a3f1a86a6e5.jpg?v=1791380723 Cefaclor EP Impurity C, 94.40% | 143059-69-2 Cefaclor EP Impurity C|C4X-127027|143059-69-2 https://www.jk-sci.com/products/j5317163 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62fd54de399a69c7f932d4c85e13e349.jpg?v=1791411323 3'-Acetoxyacetophenone, Purity by GC ≥ 99% | 2454-35-5 3'-Acetoxyacetophenone|17163|2454-35-5 https://www.jk-sci.com/products/s57c4x-12701 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508214_5a40e5e2-58f2-4d43-96db-4fd05d53647f.png?v=1791380725 Cefaclor EP Impurity A, Purity: 100.0% | 875-74-1 Cefaclor EP Impurity A|C4X-12701|875-74-1 https://www.jk-sci.com/products/a01259815 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259815.png?v=1790212672 2-Ethynyl-1,3,5-trimethylbenzene, 97% | 769-26-6 2-Ethynyl-1,3,5-trimethylbenzene, 97%|259815|769-26-6 https://www.jk-sci.com/products/j5317165 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5d47e4f25cf07ce4fed8d0e8a193a98.jpg?v=1791411319 Ethyl 3-furan-2-yl-3-oxo-propionate, Purity by GC ≥ 98% | 615-09-8 Ethyl 3-furan-2-yl-3-oxo-propionate|17165|615-09-8 https://www.jk-sci.com/products/s57c4x-127043 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df6e439418f7bbbd389bcfe2d26f94a8_b12e4681-42e4-44aa-9fe1-c20498790e77.jpg?v=1791380715 Cefaclor Impurity 43, Purity: 99.9% | 2882-18-0 Cefaclor Impurity 43|C4X-127043|2882-18-0 https://www.jk-sci.com/products/j5317178 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09b757bb92320e7d63ed436d777be5aa.jpg?v=1791411298 2-(4-Methoxyphenyl)imidazo[1,2-a]pyridine-3-carbaldehyde, Purity ≥ 95% (NMR) | 426239-77-2 2-(4-Methoxyphenyl)imidazo[1,2-a]pyridine-3-carbaldehyde|17178|426239-77-2 https://www.jk-sci.com/products/a01259852 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125079.png?v=1790212672 6-Hydroxynicotinic acid, 98.5% | 5006-66-6 6-Hydroxynicotinic acid, 98.5%|259852|5006-66-6 https://www.jk-sci.com/products/s57c4x-12707 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11473da6020ff34ed769ddf885d3609f.jpg?v=1791380708 Cefaclor EP Impurity G-Isomer 1, 97.70% | 67308-21-8 Cefaclor EP Impurity G-Isomer 1|C4X-12707|67308-21-8 https://www.jk-sci.com/products/s57c4x-12709 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361609_38951448-4bf9-4e07-ac88-ed0b0ac59a3b.png?v=1791380708 Cefaclor Impurity 9, 95.30% | 6485-67-2 Cefaclor Impurity 9|C4X-12709|6485-67-2 https://www.jk-sci.com/products/j5317187 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d8402fe20becdbfe6384df5bdd52111.jpg?v=1791411283 (2S)-1-Boc-2-benzyl-piperazine, Purity ≥ 95% | 169447-86-3 (2S)-1-Boc-2-benzyl-piperazine|17187|169447-86-3 https://www.jk-sci.com/products/s57c4x-127123 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8bf2877bd83e0246f929963d57b6068.jpg?v=1791380699 Bendamustine Dimer Impurity, 96.90% | 1228551-91-4 Bendamustine Dimer Impurity|C4X-127123|1228551-91-4 https://www.jk-sci.com/products/j5317191 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8e86e6ff36417ca45c0bb0d173dcc5b.jpg?v=1791411274 1-(tert-Butyloxycarbonyl)-3-benzylpiperidine-3-carboxylic acid, Purity by GC ≥ 99% | 170838-83-2 1-(tert-Butyloxycarbonyl)-3-benzylpiperidine-3-carboxylic acid|17191|170838-83-2 https://www.jk-sci.com/products/s57c4x-12721 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397398_adbbd385-c0a1-4052-84dc-0f1677586864.png?v=1791380693 Nifuratel Impurity 1, 99.70% | 92-55-7 Nifuratel Impurity 1|C4X-12721|92-55-7 https://www.jk-sci.com/products/j5317196 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3ea8ef68544f81301d7fa5b16a32c01.jpg?v=1791411269 1-Boc-3-hydroxymethylpyrrolidine, Purity by HPLC ≥ 98% | 114214-69-6 1-Boc-3-hydroxymethylpyrrolidine|17196|114214-69-6 https://www.jk-sci.com/products/j5315430 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d38b41bb8ecfb0afbb10be008790b653.jpg?v=1791412940 (S)-3-Amino-3-(4-bromophenyl)propionic acid, Purity ≥ 99% | 275826-36-3 (S)-3-Amino-3-(4-bromophenyl)propionic acid|15430|275826-36-3 https://www.jk-sci.com/products/j5316257 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5749b9d3f21565c6f914f1bfa32422b.jpg?v=1791412162 Z-D-pipecolic acid, Purity by HPLC ≥ 99% | 28697-09-8 Z-D-pipecolic acid|16257|28697-09-8 https://www.jk-sci.com/products/s57c4x-127229 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311876.png?v=1791380685 Nifuratel Impurity 29, Purity: 100.0% | 698-63-5 Nifuratel Impurity 29|C4X-127229|698-63-5 https://www.jk-sci.com/products/j5316170 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4583e30a68945e147efdcea9076f843.jpg?v=1791412266 D-Tyrosinol hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 40829-04-7 D-Tyrosinol hydrochloride|16170|40829-04-7 https://www.jk-sci.com/products/j5316002 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1490eddb77e14c2adbf1dbe3f393d87.jpg?v=1791412475 (±)-trans-4-(3-Methylphenyl)pyrrolidine-3-carboxylic acid hydrochloride | 1049976-06-8 (±)-trans-4-(3-Methylphenyl)pyrrolidine-3-carboxylic acid hydrochloride|16002|1049976-06-8 https://www.jk-sci.com/products/s57c4x-127211 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93d244b6771c40b51e653814d0fe3b9f.jpg?v=1791380688 Nifuratel Impurity 11, Purity: 98.1% | 645-12-5 Nifuratel Impurity 11|C4X-127211|645-12-5 https://www.jk-sci.com/products/j5316563 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad9a2253c8c5ec74f62cb4b859b3cfe7.jpg?v=1791412029 Boc-L-prolinal, Purity ≥ 97% (NMR) | 69610-41-9 Boc-L-prolinal|16563|69610-41-9 https://www.jk-sci.com/products/j5316647 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54981ce05e754c4f30be917e658b1aa5.jpg?v=1791411914 (S)-3-Thienylglycine, Purity ≥ 98% | 1194-87-2 (S)-3-Thienylglycine|16647|1194-87-2 https://www.jk-sci.com/products/j5316797 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4107e736bd8c4bbadb8d80b554ef6fa4.jpg?v=1791411829 D-Cyclopropylglycine, Purity ≥ 95% (NMR) | 49607-01-4 D-Cyclopropylglycine|16797|49607-01-4 https://www.jk-sci.com/products/s57c4x-12848 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/444183_2b22bc9f-62f9-4f5b-9140-a4769f2778cf.png?v=1791380679 Cefazolin EP Impurity E(Cefazolin USP RC E), 99.30% | 29490-19-5 Cefazolin EP Impurity E(Cefazolin USP RC E)|C4X-12848|29490-19-5 https://www.jk-sci.com/products/a01260351 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260351.png?v=1788925146 (±)-α-Bisabolol, 85% | 515-69-5 (±)-α-Bisabolol, 85%|260351|515-69-5 https://www.jk-sci.com/products/j5316858 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/170c2df327e9df81b37dc6766d60995b.jpg?v=1791411737 Boc-3-(Fmoc-aminomethyl)-L-phenylalanine, Purity by HPLC ≥ 98% | 959573-13-8 Boc-3-(Fmoc-aminomethyl)-L-phenylalanine|16858|959573-13-8 https://www.jk-sci.com/products/a01260478 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/379702.png?v=1790212654 2-Chloro-5-(trifluoromethyl)pyridine, 98% | 52334-81-3 2-Chloro-5-(trifluoromethyl)pyridine, 98%|260478|52334-81-3 https://www.jk-sci.com/products/j5316992 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d6170191de786df2196dd32df67ffb7.jpg?v=1791411615 2-Pyrrolidin-2-ylpyridine hydrochloride, Purity by HPLC ≥ 98% | 77790-61-5 2-Pyrrolidin-2-ylpyridine hydrochloride|16992|77790-61-5 https://www.jk-sci.com/products/j5316939 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330480e1be7b616ccda123a5a865ddff.jpg?v=1791411677 Fmoc-Gly-(Hmb)Gly-OH, Purity by HPLC ≥ 98% | 848861-63-2 Fmoc-Gly-(Hmb)Gly-OH|16939|848861-63-2 https://www.jk-sci.com/products/a01260946 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355271.png?v=1790212643 2-Bromo-5-methylpyridine, 98% | 3510-66-5 2-Bromo-5-methylpyridine, 98%|260946|3510-66-5 https://www.jk-sci.com/products/s57c4x-118831 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd2922ac-9084-4033-a4cb-7b96c0a4f110.png?v=1791382056 Chlorphenamine EP Impurity D HCI, 98.60% Chlorphenamine EP Impurity D HCI|C4X-118831 https://www.jk-sci.com/products/j5317012 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a30ef4bf861a9ae1a3465ce1dc4e0d.jpg?v=1791411572 6-Chloroimidazo[1,2-A]pyridine-2-carboxylic acid, Purity ≥ 95% (NMR) | 182181-19-7 6-Chloroimidazo[1,2-A]pyridine-2-carboxylic acid|17012|182181-19-7 https://www.jk-sci.com/products/a01261593 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367832.png?v=1788925099 4-Ethoxyphenylboronic acid, 98% | 22237-13-4 4-Ethoxyphenylboronic acid, 98%|261593|22237-13-4 https://www.jk-sci.com/products/s57c4x-120349 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232700_a21d591f-0b82-4be8-98bd-ef80f0067d79.png?v=1791381838 Bupropion Impurity 49, 98.60% | 535-80-8 Bupropion Impurity 49|C4X-120349|535-80-8 https://www.jk-sci.com/products/s57c4x-119858 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274985_ad75deef-f27e-4852-ad71-dcc8b1879a1e.png?v=1791381928 Eltrombopag Impurity 58, Purity: 100.0% | 5720-05-8 Eltrombopag Impurity 58|C4X-119858|5720-05-8 https://www.jk-sci.com/products/j5317033 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3aab71d3ca845c0bfc0df6643caf389.jpg?v=1791411534 2-Methyl-2H-pyrazole-3-carboxylic acid, Purity by HPLC ≥ 95% | 16034-46-1 2-Methyl-2H-pyrazole-3-carboxylic acid|17033|16034-46-1 https://www.jk-sci.com/products/a01261804 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261804_193a2264-238b-404b-a255-ebab7ae075d2.png?v=1788925098 6-Bromo-3-formylchromone, 97% | 52817-12-6 6-Bromo-3-formylchromone, 97%|261804|52817-12-6 https://www.jk-sci.com/products/j5317052 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b185eaa24aef4b2da45e901ec4b893d.jpg?v=1791411501 2-(3,5-Dimethylpyrazol-1-yl)ethylamine, Purity ≥ 95% (NMR) | 62821-88-9 2-(3,5-Dimethylpyrazol-1-yl)ethylamine|17052|62821-88-9 https://www.jk-sci.com/products/s57c4x-12118 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3fd0329c45fea9755ef3d8df48b83f0.jpg?v=1791381654 Paracetamol EP Impurity G, 99.60% | 34523-34-7 Paracetamol EP Impurity G|C4X-12118|34523-34-7 https://www.jk-sci.com/products/s57c4x-1210 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599991_4b30501f-c247-4d26-a2ce-320b76c7a00d.png?v=1791381715 Cefdinir, 98.80% | 91832-40-5 Cefdinir|C4X-1210|91832-40-5 https://www.jk-sci.com/products/s57c4x-121359 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a61696f1-590d-4b7d-9372-00c41979451a.png?v=1791381604 Roxatidine Impurity 59, Purity: 95.5% Roxatidine Impurity 59|C4X-121359 https://www.jk-sci.com/products/s57c4x-1236112 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fcae129d-1491-4f6d-be9b-1b292f026d85.png?v=1791381342 Isavuconazole Impurity 112, 98.80% Isavuconazole Impurity 112|C4X-1236112 https://www.jk-sci.com/products/s57c4x-122611 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_08979445-315a-417b-ac72-7bd9896641ee.png?v=1791381513 N-Nitrosodemethyl Doxepin, 95.60% N-Nitrosodemethyl Doxepin|C4X-122611 https://www.jk-sci.com/products/s57c4x-12206 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d23cce7-20f8-4681-9cc1-36d16eca2afe.png?v=1791381570 Metformin EP impurity F Tetrahydrofuran Solution, Purity: 99.0% Metformin EP impurity F Tetrahydrofuran Solution|C4X-12206 https://www.jk-sci.com/products/s57c4x-12303 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/999090f319391447fd800ff66f454dd5.jpg?v=1791381473 Levomedetomidine Hydrochloride, 98.10% | 190000-46-5 Levomedetomidine Hydrochloride|C4X-12303|190000-46-5 https://www.jk-sci.com/products/s57c4x-123633 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da90d18854fcdc94dcd44f89f897c69f.jpg?v=1791381303 Isavuconazole Impurity 33, Purity: 99.7% | 1180002-01-0 Isavuconazole Impurity 33|C4X-123633|1180002-01-0 https://www.jk-sci.com/products/s57c4x-12349 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/532140_4eed9163-20d7-4e8c-b741-cf87e6e5f107.png?v=1791381394 Candesartan Cilexetil Impurity 9, 98.60% | 139481-72-4 Candesartan Cilexetil Impurity 9|C4X-12349|139481-72-4 https://www.jk-sci.com/products/j5317068 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3620903de89221bc1e85e96fcc1402f6.jpg?v=1791411471 3-Phenylbenzaldehyde, Purity by GC ≥ 98% | 1204-60-0 3-Phenylbenzaldehyde|17068|1204-60-0 https://www.jk-sci.com/products/s57c4x-12312 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109864_48817f08-9570-4a17-8748-927846b2acd2.png?v=1791381439 Fluphenazine Decanoate EP Impurity B, Purity>95% | 69-23-8 Fluphenazine Decanoate EP Impurity B|C4X-12312|69-23-8 https://www.jk-sci.com/products/s57c4x-123625 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c49a7a4fd15d354c84f0536280a0911f.jpg?v=1791381326 (2R,3S)-Isavuconazole Impurity 25, 98.50% | 1797905-83-9 (2R,3S)-Isavuconazole Impurity 25|C4X-123625|1797905-83-9 https://www.jk-sci.com/products/a01261849 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261849.png?v=1788925088 trans-4-Hydroxy-D-proline hydrochloride, 97% | 142347-81-7 trans-4-Hydroxy-D-proline hydrochloride, 97%|261849|142347-81-7 https://www.jk-sci.com/products/a01262002 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262002_b7064b02-67e3-4778-9408-bd07e1d0ccc1.png?v=1790212622 Calcium fluoride, 99% | 7789-75-5 Calcium fluoride, 99%|262002|7789-75-5 https://www.jk-sci.com/products/a01262071 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328062.png?v=1790212628 6,6'-Bi-2-picoline, 98% | 4411-80-7 6,6'-Bi-2-picoline, 98%|262071|4411-80-7 https://www.jk-sci.com/products/j5317093 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1c2e7fe08634c093689a5deb202b44d.jpg?v=1791411429 3,4-Difluorophenylhydrazine hydrochloride, Purity by HPLC ≥ 99% | 40594-37-4 3,4-Difluorophenylhydrazine hydrochloride|17093|40594-37-4 https://www.jk-sci.com/products/j5317122 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27e2afea8c282331819a59c88fb4b818.jpg?v=1791411390 6-Chloro-2H-1-benzopyran-3-carboxylic acid, Purity ≥ 95% (NMR) | 83823-06-7 6-Chloro-2H-1-benzopyran-3-carboxylic acid|17122|83823-06-7 https://www.jk-sci.com/products/j5317113 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9f3a93f34b6a7e8e9a3970f1a53dd87.jpg?v=1791411404 2-Piperidin-4-yl-1H-benzoimidazole, Purity ≥ 99% (ELSD) | 38385-95-4 2-Piperidin-4-yl-1H-benzoimidazole|17113|38385-95-4 https://www.jk-sci.com/products/s57c4x-123718 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4060fc4cacdbc8f89ae4ddbdc63e5af.jpg?v=1791381238 Picosulfate impurity 18, 98.50% | 26838-86-8 Picosulfate impurity 18|C4X-123718|26838-86-8 https://www.jk-sci.com/products/a01262310 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262310.png?v=1790086197 Ethyl cinnamate, 98%, trans | 103-36-6 Ethyl cinnamate, 98%, trans|262310|103-36-6 https://www.jk-sci.com/products/j5317147 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31feb344867814f9510d52347afcc461.jpg?v=1791411352 2-Piperidin-4-yl-benzooxazole, Purity ≥ 95% (NMR) | 51784-03-3 2-Piperidin-4-yl-benzooxazole|17147|51784-03-3 https://www.jk-sci.com/products/j5317159 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ded3230899cf5840898aa290d767cee1.jpg?v=1791411332 6-Methoxy-2-pyridinamine, Purity by GC ≥ 98% | 17920-35-3 6-Methoxy-2-pyridinamine|17159|17920-35-3 https://www.jk-sci.com/products/j5317180 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b4f83113eb294060dc374e2ff6d6d16.jpg?v=1791411297 2,4-Diaminopyrimidine-5-carbaldehyde, Assay ≥ 95% | 20781-06-0 2,4-Diaminopyrimidine-5-carbaldehyde|17180|20781-06-0 https://www.jk-sci.com/products/j5317164 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fe19fffca0aefa4abf3762999e22123.jpg?v=1791411319 1,3-Benzothiazole-2-carbaldehyde, Purity ≥ 95% (NMR) | 6639-57-2 1,3-Benzothiazole-2-carbaldehyde|17164|6639-57-2 https://www.jk-sci.com/products/j5317195 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375376c9e0e9f34d2664d951577fe59e.jpg?v=1791411269 1-Boc-3-formyl-pyrrolidine, Purity by GC ≥ 97% | 59379-02-1 1-Boc-3-formyl-pyrrolidine|17195|59379-02-1 https://www.jk-sci.com/products/j5317213 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/678302c61de6b1f0d14037093f905b06.jpg?v=1791411235 5-Bromo-1H-indazole, Purity by HPLC ≥ 96% | 53857-57-1 5-Bromo-1H-indazole|17213|53857-57-1 https://www.jk-sci.com/products/a01262456 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262456.png?v=1790212615 Diethyl iminodiacetate, 98% | 6290-05-7 Diethyl iminodiacetate, 98%|262456|6290-05-7 https://www.jk-sci.com/products/j5317204 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49066ef4fc5fd499227d9ced7c5cbee4.jpg?v=1791411258 4-Aminopyridine-2-carboxylic acid, Purity by HPLC ≥ 99% | 100047-36-7 4-Aminopyridine-2-carboxylic acid|17204|100047-36-7 https://www.jk-sci.com/products/j5317227 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/740b8f01cee3f5efa0c845ce241f37b7.jpg?v=1791411220 1-Benzyl-azetidine-2-carboxylic acid, Purity by HPLC ≥ 96% | 18085-40-0 1-Benzyl-azetidine-2-carboxylic acid|17227|18085-40-0 https://www.jk-sci.com/products/s57c4x-123932 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_46540d8d-cd13-4d94-b6d1-98fbfb32228a.png?v=1791381199 Anastrozole Impurity 32, 91.60% Anastrozole Impurity 32|C4X-123932 https://www.jk-sci.com/products/j5317237 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cea3432d8f55346e73023c2c90c9cd2e.jpg?v=1791411204 2-(4-Bromophenyl)pyrrolidine, Purity ≥ 95% (NMR) | 383127-22-8 2-(4-Bromophenyl)pyrrolidine|17237|383127-22-8 https://www.jk-sci.com/products/j5317235 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e45df31a4b38f7245ece5fef7f96cf2a.jpg?v=1791411207 6-Indazolyboronic acid, Purity by HPLC ≥ 95% | 885068-10-0 6-Indazolyboronic acid|17235|885068-10-0 https://www.jk-sci.com/products/j5317250 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a21530009ee57a45aac26a5b9d38edf5.jpg?v=1791411188 2-Methyl-1,3-thiazole-4-carboxylic acid, Purity by HPLC ≥ 95% | 35272-15-2 2-Methyl-1,3-thiazole-4-carboxylic acid|17250|35272-15-2 https://www.jk-sci.com/products/j5317273 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b80374766d95418f0648b36d8e10ca68.jpg?v=1791411165 4-Iodopyridin-3-ylamine, Purity ≥ 99% | 105752-11-2 4-Iodopyridin-3-ylamine|17273|105752-11-2 https://www.jk-sci.com/products/j5317283 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f726d31696c01470c950ee78a8f090bc.jpg?v=1791411155 5-Fluoro-2,3-dihydro-(1H)-indole, Purity by GC ≥ 97% | 2343-22-8 5-Fluoro-2,3-dihydro-(1H)-indole|17283|2343-22-8 https://www.jk-sci.com/products/a01262568 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262568.png?v=1790212610 2-Aminoanthracene, 92% | 613-13-8 2-Aminoanthracene, 92%|262568|613-13-8 https://www.jk-sci.com/products/j5317303 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fae132af395f4e4b0dbfacb65a66f3da.jpg?v=1791411129 4,6-Dichloro-1H-indole-2-carboxylic acid ethyl ester, Purity by HPLC ≥ 98% | 53995-82-7 4,6-Dichloro-1H-indole-2-carboxylic acid ethyl ester|17303|53995-82-7 https://www.jk-sci.com/products/j5317305 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f62b2cbc8017ad867e79f789e480a5e.jpg?v=1791411125 Isoquinoline-5-carboxylic acid, Purity by HPLC ≥ 98% | 27810-64-6 Isoquinoline-5-carboxylic acid|17305|27810-64-6 https://www.jk-sci.com/products/j5317307 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f64057c93bfb5470e1cc3f4b34446cfd.jpg?v=1791411120 2-(Boc-Aminomethyl)pyrrolidine, Purity ≥ 98% | 149649-58-1 2-(Boc-Aminomethyl)pyrrolidine|17307|149649-58-1 https://www.jk-sci.com/products/s57c4x-12405 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b788dc359a4a4abc0915bbab0c13496.jpg?v=1791381169 Ziprasidone EP Impurity B, 90.00% | 1159977-56-6 Ziprasidone EP Impurity B|C4X-12405|1159977-56-6 https://www.jk-sci.com/products/j5317345 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600758f5571a94668c445a284238ad29.jpg?v=1791411071 Methyl-3-bromoindazole-4-carboxylate, Purity by HPLC ≥ 99% | 885271-63-6 Methyl-3-bromoindazole-4-carboxylate|17345|885271-63-6 https://www.jk-sci.com/products/j5317341 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81d568f968df17e94c3231d830bd6830.jpg?v=1791411075 3-(5-Chloromethyl-[1,2,4]oxadiazol-3-yl)pyridine, Purity ≥ 95% (NMR) | 15328-03-7 3-(5-Chloromethyl-[1,2,4]oxadiazol-3-yl)pyridine|17341|15328-03-7 https://www.jk-sci.com/products/j5317321 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bc4f00ecc11a2949465f0eec34dccfc.jpg?v=1791411104 4-Aminomethylindole, Purity by GC ≥ 95% || Purity ≥ 95% (NMR) | 3468-18-6 4-Aminomethylindole|17321|3468-18-6 https://www.jk-sci.com/products/s57c4x-124222 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c919de4-b10f-4244-b4c3-0b9e98813f93.png?v=1791381146 Rocuronium Bromide Impurity 22, 98.10% Rocuronium Bromide Impurity 22|C4X-124222 https://www.jk-sci.com/products/a01263146 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/510166.png?v=1790212595 N-Methyl-7-nitro-1,2,3,4-tetrahydroquinoline, 98% | 39275-18-8 N-Methyl-7-nitro-1,2,3,4-tetrahydroquinoline, 98%|263146|39275-18-8 https://www.jk-sci.com/products/j5317358 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e0e23fc4b38acda8c55106c77b6a7e5.jpg?v=1791411061 6-Chloro-2-methyl-imidazo[1,2-a]pyridine-3-carbaldehyde, Purity ≥ 95% (NMR) | 728864-61-7 6-Chloro-2-methyl-imidazo[1,2-a]pyridine-3-carbaldehyde|17358|728864-61-7 https://www.jk-sci.com/products/j5317364 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7427884674e373feb42e7686c3a959e6.jpg?v=1791411051 3-Isoxazolecarboxylic acid, Purity by HPLC ≥ 98% | 3209-71-0 3-Isoxazolecarboxylic acid|17364|3209-71-0 https://www.jk-sci.com/products/j5317370 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0848763ff7c62cabed73ba5e696ecc10.jpg?v=1791411044 3-(3-Methoxyphenyl)-1H-pyrazol-5-amine hydrochloride, Purity ≥ 98% (NMR) | 1025447-42-0 3-(3-Methoxyphenyl)-1H-pyrazol-5-amine hydrochloride|17370|1025447-42-0 https://www.jk-sci.com/products/a01263195 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130927.png?v=1790086192 Methyl cyclopentenolone, 99% | 80-71-7 Methyl cyclopentenolone, 99%|263195|80-71-7 https://www.jk-sci.com/products/j5317381 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00cd7cf2dc19a2746467cb35e82c054e.jpg?v=1791411025 1,4-Thiomorpholine-3-carboxylic acid, Purity by HPLC ≥ 98% | 20960-92-3 1,4-Thiomorpholine-3-carboxylic acid|17381|20960-92-3 https://www.jk-sci.com/products/j5317396 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3237a9250a83e4327dd7b0bb7956f310.jpg?v=1791411002 2,6-Dimethylbenzyl alcohol, Purity by HPLC ≥ 96% | 62285-58-9 2,6-Dimethylbenzyl alcohol|17396|62285-58-9 https://www.jk-sci.com/products/j5317391 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6a6fe646064a810a6bb46a80dbe0cf8.jpg?v=1791411011 Tetrahydropyran-4-carbaldehyde, Assay ≥ 95% | 50675-18-8 Tetrahydropyran-4-carbaldehyde|17391|50675-18-8 https://www.jk-sci.com/products/j5317415 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82d964791cc87177819a858c7fd1959b.jpg?v=1791410982 1,2,3,4-Tetrahydroisoquinoline-1-carboxylic acid, Purity ≥ 99% | 41034-52-0 1,2,3,4-Tetrahydroisoquinoline-1-carboxylic acid|17415|41034-52-0 https://www.jk-sci.com/products/j5317425 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ece82a339d0f2af4f6150b7e159c315.jpg?v=1791410962 N-Methyl-4-piperidinecarboxylic acid methyl ester, Purity by HPLC ≥ 98% | 1690-75-1 N-Methyl-4-piperidinecarboxylic acid methyl ester|17425|1690-75-1 https://www.jk-sci.com/products/j5317419 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dc61bc00712625176d3c23b41e21e1b.jpg?v=1791410972 1-Boc-5-fluoro-1H-indole-2-boronic acid, Purity by HPLC ≥ 99% | 352359-23-0 1-Boc-5-fluoro-1H-indole-2-boronic acid|17419|352359-23-0 https://www.jk-sci.com/products/j5317422 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18fb4909028226292895579fdd6d959c.jpg?v=1791410966 1H-Pyrazole-3-carbaldehyde, Purity by HPLC ≥ 95% | 3920-50-1 1H-Pyrazole-3-carbaldehyde|17422|3920-50-1 https://www.jk-sci.com/products/a01263736 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124582.png?v=1788364654 4-Chlorothieno[3,2-d]pyrimidine, 98% | 16269-66-2 4-Chlorothieno[3,2-d]pyrimidine, 98%|263736|16269-66-2 https://www.jk-sci.com/products/j5315697 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ff13924d9c1a7257c8500d465908d37.jpg?v=1791412647 Fmoc-(R)-3-amino-3-(2-thienyl)propionic acid, Purity by HPLC ≥ 98% | 511272-45-0 Fmoc-(R)-3-amino-3-(2-thienyl)propionic acid|15697|511272-45-0 https://www.jk-sci.com/products/j5316221 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c10c6ce730c96b2030921380fde8f51.jpg?v=1791412204 N-Benzyl-D-valine methyl ester hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 210917-86-5 N-Benzyl-D-valine methyl ester hydrochloride|16221|210917-86-5 https://www.jk-sci.com/products/a01264639 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264639_53f4cbb9-e0c6-4924-9541-f8e47fbdcf88.png?v=1788924991 N-Fmoc-β-cyclopropyl-D-alanine, 99% | 170642-29-2 N-Fmoc-β-cyclopropyl-D-alanine, 99%|264639|170642-29-2 https://www.jk-sci.com/products/j5316634 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/789318eec2900a5ffa80fa9305ab8cb4.jpg?v=1791411942 Boc-(S)-1-amino-2-propanol, Assay ≥ 98% | 167938-56-9 Boc-(S)-1-amino-2-propanol|16634|167938-56-9 https://www.jk-sci.com/products/j5316814 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c5d71c8c692f3c6750bfafdcb02c269.jpg?v=1791411810 Fmoc-D-2,4-dinitrophenylalanine, Purity by HPLC ≥ 99% | 1217733-50-0 Fmoc-D-2,4-dinitrophenylalanine|16814|1217733-50-0 https://www.jk-sci.com/products/j5316974 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc4620ab92d2d3a5fa805193da4ecbae.jpg?v=1791411652 2-Amino-3-hydroxypyridine, Purity by HPLC ≥ 99% | 16867-03-1 2-Amino-3-hydroxypyridine|16974|16867-03-1 https://www.jk-sci.com/products/s57c4x-124430 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618237_2f5d9aee-ce2b-42b1-9cc0-a40ec5b16963.png?v=1791381101 Quetiapine EP Impurity B Dihydrochloride, 91.90% | 111974-74-4 Quetiapine EP Impurity B Dihydrochloride|C4X-124430|111974-74-4 https://www.jk-sci.com/products/j5317023 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5ac4807bf57c057420b8df16658859d.jpg?v=1791411552 2-Amino-3-chloropyridine, Purity by HPLC ≥ 98% | 39620-04-7 2-Amino-3-chloropyridine|17023|39620-04-7 https://www.jk-sci.com/products/a01264873 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150739_0601c437-46d1-43a2-b30e-33668d2b0b77.png?v=1790212546 Dehydroacetic acid, 98% | 520-45-6 Dehydroacetic acid, 98%|264873|520-45-6 https://www.jk-sci.com/products/ts246cs-0096939 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/877bef202191a1d7eeaed97826621cca.jpg?v=1791325573 (2-Methyl-2H-1,2,3-triazol-4-yl)boronic acid, 98% | 1372713-72-8 (2-Methyl-2H-1,2,3-triazol-4-yl)boronic acid|CS-0096939|1372713-72-8 https://www.jk-sci.com/products/j5317060 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a11dc4bc8ea64cab7bdfe6267cace99.jpg?v=1791411484 3-Bromo-5-methylpyridine, Purity by GC ≥ 99% | 3430-16-8 3-Bromo-5-methylpyridine|17060|3430-16-8 https://www.jk-sci.com/products/s57c4x-124466 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d45f035-0dbc-42db-9a4d-569a309cb440.png?v=1791381068 Quetiapine EP Impurity J HCl, 90.10% Quetiapine EP Impurity J HCl|C4X-124466 https://www.jk-sci.com/products/a01265878 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265878.png?v=1787993908 2-(4-methylmorpholine)ethyl bromide, 97% | 89583-07-3 2-(4-methylmorpholine)ethyl bromide, 97%|265878|89583-07-3 https://www.jk-sci.com/products/s57c4x-124536 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07bf73809816a3f26fb1cd10b601d75b.jpg?v=1791381042 Cefuroxime Impurity 36, 98.30% | 15690-38-7 Cefuroxime Impurity 36|C4X-124536|15690-38-7 https://www.jk-sci.com/products/j5317095 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93a09edfdbc5dd09817265bcd3790951.jpg?v=1791411429 N-(4-Aminobutyl)-N-methyl carbamic acid tert-butyl ester, Purity ≥ 95% (NMR) | 144222-23-1 N-(4-Aminobutyl)-N-methyl carbamic acid tert-butyl ester|17095|144222-23-1 https://www.jk-sci.com/products/j5317142 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d07943007a2d53d731382226cd60a90a.jpg?v=1791411360 2-(3-Chlorophenyl)pyrrolidine, Purity by HPLC ≥ 96% | 298690-74-1 2-(3-Chlorophenyl)pyrrolidine|17142|298690-74-1 https://www.jk-sci.com/products/j5317162 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c34488383c3db6e7bba173850bfd0de.jpg?v=1791411323 8-Methyl imidazo[1,2-a]pyridine-2-carboxylic acid, Purity by HPLC ≥ 97% | 88751-05-7 8-Methyl imidazo[1,2-a]pyridine-2-carboxylic acid|17162|88751-05-7 https://www.jk-sci.com/products/j5317203 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a90f5e8c8b77212662503629e861593a.jpg?v=1791411259 4-Hydroxybenzylamine, Purity by HPLC ≥ 98% | 696-60-6 4-Hydroxybenzylamine|17203|696-60-6 https://www.jk-sci.com/products/j5317190 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b709899e5559106d61110369e1ff13a.jpg?v=1791411277 3-(Benzotriazol-1-yl)propionic acid, Purity ≥ 95% | 654-15-9 3-(Benzotriazol-1-yl)propionic acid|17190|654-15-9 https://www.jk-sci.com/products/a01958384 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fcfd1c3fec6e6d85a3b5a015d0633f0.jpg?v=1788912940 Methyl 2,3-O-isopropylidene-α-L-rhamnopyranoside, 98% | 14133-63-2 Methyl 2,3-O-isopropylidene-α-L-rhamnopyranoside, 98%|958384|14133-63-2 https://www.jk-sci.com/products/a01958096 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441751.png?v=1790009133 Methylthymol Blue sodium salt | 1945-77-3 Methylthymol Blue sodium salt|958096|1945-77-3 https://www.jk-sci.com/products/j5317251 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc69abdf1584fccdb5ac75becfee1915.jpg?v=1791411188 2-Piperidin-3-yl-1H-benzoimidazole, Purity ≥ 95% (LC) | 123771-23-3 2-Piperidin-3-yl-1H-benzoimidazole|17251|123771-23-3 https://www.jk-sci.com/products/j5317306 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16b6e522e0c7288fdceb2346597bb5d9.jpg?v=1791411125 Octahydro-1H-indole-2-carboxylic acid, Purity ≥ 98% (NMR) | 80828-13-3 Octahydro-1H-indole-2-carboxylic acid|17306|80828-13-3 https://www.jk-sci.com/products/j5317217 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e42361b29668df198d2e79e8b4f1332d.jpg?v=1791411231 5-Methyl-Imidazo[1,2-a]pyridine-2-carboxylic acid, Purity ≥ 95% (NMR) | 88751-06-8 5-Methyl-Imidazo[1,2-a]pyridine-2-carboxylic acid|17217|88751-06-8 https://www.jk-sci.com/products/j5317287 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4db9ede81f74b79a4cb78af651b743a2.jpg?v=1791411149 5-Methyl-isoxazole-3-carboxylic acid hydrazide, Purity by HPLC ≥ 99% | 62438-03-3 5-Methyl-isoxazole-3-carboxylic acid hydrazide|17287|62438-03-3 https://www.jk-sci.com/products/j5317236 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d43d585887a12fea5566c454103b79a7.jpg?v=1791411206 2-(2H-Tetrazol-5-yl)pyridine, Purity by HPLC ≥ 98% | 33893-89-9 2-(2H-Tetrazol-5-yl)pyridine|17236|33893-89-9 https://www.jk-sci.com/products/j5317339 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e30a6f707eed8271bc0ea864e0b57dee.jpg?v=1791411079 2-(1,3-Thiazol-2-yl)piperidine, Purity ≥ 95% (NMR) | 526183-08-4 2-(1,3-Thiazol-2-yl)piperidine|17339|526183-08-4 https://www.jk-sci.com/products/j5317357 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8cf689087bd064d7fbba6ba77cf996.jpg?v=1791411061 5-Pyridin-4-yl-1H-pyrazole-3-carboxylic acid, Purity ≥ 95% (NMR) | 197775-45-4 5-Pyridin-4-yl-1H-pyrazole-3-carboxylic acid|17357|197775-45-4 https://www.jk-sci.com/products/j5317368 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34c82180d4c84dff8109a7390a74dfa.jpg?v=1791411047 tert-Butyl 2-(aminomethyl)phenylcarbamate, Purity by GC ≥ 98% | 849020-94-6 tert-Butyl 2-(aminomethyl)phenylcarbamate|17368|849020-94-6 https://www.jk-sci.com/products/s57c4x-124746 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26625be78f9f8f7e2cda73d0e0eafe2.jpg?v=1791380989 N-Nitroso Bisoprolol, 90.10% | 2820170-76-9 N-Nitroso Bisoprolol|C4X-124746|2820170-76-9 https://www.jk-sci.com/products/j5317387 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/720a9a8ef0ddb4be9c844ac40bf791f3.jpg?v=1791411011 4-Piperazin-1-yl-phenylamine, Purity by HPLC ≥ 97% | 67455-41-8 4-Piperazin-1-yl-phenylamine|17387|67455-41-8 https://www.jk-sci.com/products/j5317398 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4f0b3d86bc01d2aaef7b70e3e7ebadd.jpg?v=1791411001 (3-Aminopyridin-4-yl)methanol, Purity ≥ 95% (NMR) | 152398-05-5 (3-Aminopyridin-4-yl)methanol|17398|152398-05-5 https://www.jk-sci.com/products/j5317420 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b54b8b5620250a1cd3a7d370bfbfa2e7.jpg?v=1791410971 3-Formyl-piperidine-1-carboxylic acid benzyl ester, Purity by HPLC ≥ 95% | 201478-72-0 3-Formyl-piperidine-1-carboxylic acid benzyl ester|17420|201478-72-0 https://www.jk-sci.com/products/a01959369 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118398.png?v=1787975605 2,4-Dichlorobenzyl isocyanate, 98% | 19654-32-1 2,4-Dichlorobenzyl isocyanate, 98%|959369|19654-32-1 https://www.jk-sci.com/products/a01960176 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410465.png?v=1788912886 4-Chloro-benzo[d]-thiazol-2(3H)-one, 97% | 39205-62-4 4-Chloro-benzo[d]-thiazol-2(3H)-one, 97%|960176|39205-62-4 https://www.jk-sci.com/products/a01959456 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6804c41cd2faf12f8b32bfc0c644a318.jpg?v=1788912913 Laminarin, 30%, CP | 9008-22-4 Laminarin, 30%, CP|959456|9008-22-4 https://www.jk-sci.com/products/a01960017 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d7b56730e6777a3094a47cbeedf7247.jpg?v=1788912897 N,N'-Bis(2-ethylhexyl)-6,6'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindigo, 98% | 1821433-54-8 N,N'-Bis(2-ethylhexyl)-6,6'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindigo, 98%|960017|1821433-54-8 https://www.jk-sci.com/products/j5317454 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73096c28ce15ce8680f80611885664b9.jpg?v=1791410925 2-(1H-Pyrazol-1-yl)benzoic acid, Purity ≥ 95% (NMR) | 55317-53-8 2-(1H-Pyrazol-1-yl)benzoic acid|17454|55317-53-8 https://www.jk-sci.com/products/j5317469 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8066025eff41d0d44f72fba5684abf75.jpg?v=1791410902 3-Piperidin-2-yl-1H-indole, Purity ≥ 95% (NMR) | 4695-73-2 3-Piperidin-2-yl-1H-indole|17469|4695-73-2 https://www.jk-sci.com/products/j5317472 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c7a5e21d168a093c476b1cd61e33b8a.jpg?v=1791410892 4-(3-Phenylpropyl)piperidine, Purity by GC ≥ 98% || Titration ≥ 99.9% | 18495-82-4 4-(3-Phenylpropyl)piperidine|17472|18495-82-4 https://www.jk-sci.com/products/j5317445 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/023bc28f0d5d989f94393cf0fa76d578.jpg?v=1791410937 2-Chloro-Imidazo[1,2-a]pyridine-3-carbaldehyde, Purity ≥ 99% | 131773-23-4 2-Chloro-Imidazo[1,2-a]pyridine-3-carbaldehyde|17445|131773-23-4 https://www.jk-sci.com/products/j5317505 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32a8f8031fda37676a51783fd2460053.jpg?v=1791410854 5-Pyridin-3-yl-1H-pyrazole-3-carboxylic acid, Purity by HPLC ≥ 97% | 374064-01-4 5-Pyridin-3-yl-1H-pyrazole-3-carboxylic acid|17505|374064-01-4 https://www.jk-sci.com/products/j5317479 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5dc4fd831b1a817387b3602a4d292c.jpg?v=1791410883 4-Bromoisothiazole, Purity ≥ 95% (NMR) | 24340-77-0 4-Bromoisothiazole|17479|24340-77-0 https://www.jk-sci.com/products/j5317490 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efbbebc8347545c07e920c422c077d76.jpg?v=1791410872 4-(4-Methylphenoxy)piperidine hydrochloride, Purity by HPLC ≥ 95% | 63843-49-2 4-(4-Methylphenoxy)piperidine hydrochloride|17490|63843-49-2 https://www.jk-sci.com/products/j5317514 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c07571790c784914fb2e6f63a53e4691.jpg?v=1791410837 6-Methoxy-1H-indazole-3-carboxylic acid, Purity ≥ 97% (NMR) | 518990-36-8 6-Methoxy-1H-indazole-3-carboxylic acid|17514|518990-36-8 https://www.jk-sci.com/products/j5317518 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b286f217a52719af5d8d1510cab3309.jpg?v=1791410832 7-Methoxy-1H-indole-3-carboxylic acid, Purity by HPLC ≥ 98% | 128717-77-1 7-Methoxy-1H-indole-3-carboxylic acid|17518|128717-77-1 https://www.jk-sci.com/products/j5317531 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71c5f1b1d7ef7dd1fc070b73ddb1084e.jpg?v=1791410828 5-Isoxazolemethanol, Assay ≥ 96% | 98019-60-4 5-Isoxazolemethanol|17531|98019-60-4 https://www.jk-sci.com/products/j5317541 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05a0be8f4ca544cbb0f41e6b98088579.jpg?v=1791410817 Pyrazin-2-yl-hydrazine | 54608-52-5 Pyrazin-2-yl-hydrazine|17541|54608-52-5 https://www.jk-sci.com/products/j5317536 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a32d4ef7a609ee8f7f3e2b0985a8ff53.jpg?v=1791410823 N-Methyl-N-tetrahydro-2H-pyran-4-ylamine, Purity by GC ≥ 97% | 220641-87-2 N-Methyl-N-tetrahydro-2H-pyran-4-ylamine|17536|220641-87-2 https://www.jk-sci.com/products/a01960505 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353307.png?v=1790205580 2-Ethoxyethanol, 99% | 110-80-5 2-Ethoxyethanol, 99%|960505|110-80-5 https://www.jk-sci.com/products/j5317554 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16370877d1c499696d1a6f04cbc08c48.jpg?v=1791410804 N-Isopropyl-3-fluoroaniline, Purity by HPLC ≥ 98% | 121431-27-4 N-Isopropyl-3-fluoroaniline|17554|121431-27-4 https://www.jk-sci.com/products/j5317573 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92b4de1fc830983b01dea013013a0625.jpg?v=1791410785 [3-(4-Bromophenyl)isoxazol-5-yl]methanol, Purity ≥ 97% | 206055-91-6 [3-(4-Bromophenyl)isoxazol-5-yl]methanol|17573|206055-91-6 https://www.jk-sci.com/products/j5317584 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a835d77a0f947d5c1fa69aeba5fcafd9.jpg?v=1791410779 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid, Purity by HPLC ≥ 98% | 13599-22-9 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid|17584|13599-22-9 https://www.jk-sci.com/products/j5317599 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e243b541fb496df0ac7ba71cc19c345.jpg?v=1791410760 1-Z-3-hydroxymethyl-piperidine, Purity by GC ≥ 98% | 39945-51-2 1-Z-3-hydroxymethyl-piperidine|17599|39945-51-2 https://www.jk-sci.com/products/j5317594 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf37adc9dc0a2fc241a8946aec127f65.jpg?v=1791410769 1-Boc-5-aminoindole, Purity by HPLC ≥ 97% | 166104-20-7 1-Boc-5-aminoindole|17594|166104-20-7 https://www.jk-sci.com/products/j5317604 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc280f3acc97a1191f90a12be92dd78a.jpg?v=1791410756 1H-Indazole-4-carboxylic acid, Purity by HPLC ≥ 95% | 677306-38-6 1H-Indazole-4-carboxylic acid|17604|677306-38-6 https://www.jk-sci.com/products/j5317610 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5d901cb47b025ae686cbff4efc35015.jpg?v=1791410746 1-Methyl-2-pyridin-2-yl-ethylamine, Purity ≥ 95% (NMR) | 51038-40-5 1-Methyl-2-pyridin-2-yl-ethylamine|17610|51038-40-5 https://www.jk-sci.com/products/j5317614 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c509cec0cdffd4c846ea8e3019aa7bff.jpg?v=1791410741 1-Piperidin-4-yl-1,3-dihydro-2H-indol-2-one, Assay ≥ 97% | 16223-25-9 1-Piperidin-4-yl-1,3-dihydro-2H-indol-2-one|17614|16223-25-9 https://www.jk-sci.com/products/j5317651 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f93855acdef9564e4633fc67c16c730.jpg?v=1791410716 2-Fluoro-4-formylbenzonitrile, Purity by GC ≥ 98% | 101048-76-4 2-Fluoro-4-formylbenzonitrile|17651|101048-76-4 https://www.jk-sci.com/products/j5317629 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52891a61cd3f655fc1cdcc8b87499d40.jpg?v=1791410727 2,6-Dimethyl-pyridine-3-carbaldehyde, Purity ≥ 97% (NMR) | 650141-20-1 2,6-Dimethyl-pyridine-3-carbaldehyde|17629|650141-20-1 https://www.jk-sci.com/products/j5317621 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2786a8c9c3e80694e999fa5621ca8bb0.jpg?v=1791410733 2-(4-Bromophenyl)piperidine hemioxalate, Purity ≥ 95% (NMR) | 383128-14-1 2-(4-Bromophenyl)piperidine hemioxalate|17621|383128-14-1 https://www.jk-sci.com/products/j5317663 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21d7949364f77e520a5060a42d64ea81.jpg?v=1791410701 2-Phenethyl-piperidine | 159053-39-1 2-Phenethyl-piperidine|17663|159053-39-1 https://www.jk-sci.com/products/j5317675 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d88c8c3590adbc6e0090b1753a93c119.jpg?v=1791410680 3-Amino isonicotinic acid ethyl ester, Purity by HPLC ≥ 95% | 14208-83-4 3-Amino isonicotinic acid ethyl ester|17675|14208-83-4 https://www.jk-sci.com/products/j5317669 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28d20cc9bd262f004727e85556852061.jpg?v=1791410689 3-(4-Chloro-benzyloxy)-thiophene-2-carboxylic acid, Purity ≥ 99% | 339009-58-4 3-(4-Chloro-benzyloxy)-thiophene-2-carboxylic acid|17669|339009-58-4 https://www.jk-sci.com/products/j5316116 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e8b6b783929e4b07ec27f008792a45b.jpg?v=1791412351 5-(Fmoc-amino)-3-oxapentanoic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 260367-12-2 5-(Fmoc-amino)-3-oxapentanoic acid|16116|260367-12-2 https://www.jk-sci.com/products/j5317005 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03265468d578c4d9144bbb523a61de41.jpg?v=1791411590 1-(tert-Butoxycarbonyl)indole-2-boronic acid, Purity by HPLC ≥ 98% | 213318-44-6 1-(tert-Butoxycarbonyl)indole-2-boronic acid|17005|213318-44-6 https://www.jk-sci.com/products/j5317083 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bacc8f61c6a2d1b990e97ac74798fdf0.jpg?v=1791411445 4-Chloro-6,7-dimethoxyquinazoline, Purity by HPLC ≥ 98% | 13790-39-1 4-Chloro-6,7-dimethoxyquinazoline|17083|13790-39-1 https://www.jk-sci.com/products/j5316777 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17bd58da268948f2d6cf1b9daa772d29.jpg?v=1791411852 L-3-Carbamoylphenylalanine | 1217651-22-3 L-3-Carbamoylphenylalanine|16777|1217651-22-3 https://www.jk-sci.com/products/j5317154 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c3d4a99d741bc3bfaa41e7171fb4666.jpg?v=1791411341 4-Amino-1-isopropylpiperidine, Purity by GC ≥ 99% | 127285-08-9 4-Amino-1-isopropylpiperidine|17154|127285-08-9 https://www.jk-sci.com/products/j5317228 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fe90c0368b93750bf45269a69f0a397.jpg?v=1791411220 1-Benzyl-pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 5731-18-0 1-Benzyl-pyrrolidine-3-carboxylic acid|17228|5731-18-0 https://www.jk-sci.com/products/j5317198 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa9edba74135182d7627a6b9bb043434.jpg?v=1791411264 3-Methyl-4-isoxazolecarboxylic acid, Assay ≥ 99% | 17153-20-7 3-Methyl-4-isoxazolecarboxylic acid|17198|17153-20-7 https://www.jk-sci.com/products/a01960664 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314342.png?v=1787975519 2-Chloro-N-methoxy-N-methylacetamide, 97% | 67442-07-3 2-Chloro-N-methoxy-N-methylacetamide, 97%|960664|67442-07-3 https://www.jk-sci.com/products/s57c4x-124846 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8059406655784ceebf80fd86b26f4a21.jpg?v=1791380954 N-t-Boc Valacyclovir, 96.70% | 502421-44-5 N-t-Boc Valacyclovir|C4X-124846|502421-44-5 https://www.jk-sci.com/products/j5317280 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0599ab5fcc0b9b78cfe6b0da21617c9e.jpg?v=1791411154 5-Chloro-2,3-dihydro-(1H)-indole, Purity by GC ≥ 98% | 25658-80-4 5-Chloro-2,3-dihydro-(1H)-indole|17280|25658-80-4 https://www.jk-sci.com/products/j5317314 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2d900e11d6879259175282ea2ed329c.jpg?v=1791411114 [3-(4-Methoxyphenyl)isoxazol-5-yl]methanol, Purity by HPLC ≥ 97% | 206055-86-9 [3-(4-Methoxyphenyl)isoxazol-5-yl]methanol|17314|206055-86-9 https://www.jk-sci.com/products/j5317360 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dabb2b868e0365ae263f8422c0343957.jpg?v=1791411061 7-Methoxy-4(1H)-quinolinone, Assay ≥ 98% | 82121-05-9 7-Methoxy-4(1H)-quinolinone|17360|82121-05-9 https://www.jk-sci.com/products/s57c4x-12521 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_45415dad-fd81-404f-8e1c-06c5e8ea1f0f.png?v=1791380940 Perindopril EP Impurity I（Enantiomer Mixture）tert-Butylamine Salt, 94.90% Perindopril EP Impurity I（Enantiomer Mixture）tert-Butylamine Salt|C4X-12521 https://www.jk-sci.com/products/a01960927 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3819e92cc014fd538f60e000f5b9fcf8.jpg?v=1790205566 Isobutylamine hydrobromide, 98% | 74098-36-5 Isobutylamine hydrobromide, 98%|960927|74098-36-5 https://www.jk-sci.com/products/a01960789 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbb372e30a72b62852bc99b88b9e07d6.jpg?v=1790205571 6-Chloroisatin, 98% | 6341-92-0 6-Chloroisatin, 98%|960789|6341-92-0 https://www.jk-sci.com/products/j5317392 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c589dd497b5ace49867a15c237a1dd0.jpg?v=1791411006 1,3-Thiazole-4-carboxaldehyde, Purity by HPLC ≥ 98% | 3364-80-5 1,3-Thiazole-4-carboxaldehyde|17392|3364-80-5 https://www.jk-sci.com/products/j5317424 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bea53b41100ae77fbff67e14318f8a57.jpg?v=1791410967 1-Methyl-5-nitro-1H-indazole, Purity by HPLC ≥ 96% | 5228-49-9 1-Methyl-5-nitro-1H-indazole|17424|5228-49-9 https://www.jk-sci.com/products/j5317471 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/778544489ef84334a968965de52bffde.jpg?v=1791410896 3-(Pyrrolidin-1-ylmethyl)aniline, Purity ≥ 95% (NMR) | 183365-31-3 3-(Pyrrolidin-1-ylmethyl)aniline|17471|183365-31-3 https://www.jk-sci.com/products/j5317447 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bb01fc25c7ab115f83aa3cfc1d57299.jpg?v=1791410937 2-Chloropyridine-3-sulfonyl chloride, Purity by HPLC ≥ 98% | 6684-06-6 2-Chloropyridine-3-sulfonyl chloride|17447|6684-06-6 https://www.jk-sci.com/products/j5317484 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ebc72456e782411a634af62a50ea465.jpg?v=1791410877 4-Iodopyridine-2-carboxylic acid, Purity by HPLC ≥ 98% | 405939-79-9 4-Iodopyridine-2-carboxylic acid|17484|405939-79-9 https://www.jk-sci.com/products/s57c4x-125228 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e586e6aef3d79195a4fa09aad1bd6af9.jpg?v=1791380931 Perindopril Impurity 28, Purity: 100.0% | 760127-31-9 Perindopril Impurity 28|C4X-125228|760127-31-9 https://www.jk-sci.com/products/s57c4x-125232 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10fa49b4-b2bb-4e15-8b4a-d575f89b031c.png?v=1791380924 Perindopril Impurity 32, Purity: 99.3% Perindopril Impurity 32|C4X-125232 https://www.jk-sci.com/products/j5317508 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f1e3b01ec514031b4fdf3e44bd0b130.jpg?v=1791410849 6-Bromo-1H-indazole-3-carboxylic acid, Purity by HPLC ≥ 97% | 660823-36-9 6-Bromo-1H-indazole-3-carboxylic acid|17508|660823-36-9 https://www.jk-sci.com/products/j5317538 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f7d992e3fd5e8e846215e769eaa10cb.jpg?v=1791410819 N-Z-4-Bromo-piperidine, Purity by HPLC ≥ 99% | 166953-64-6 N-Z-4-Bromo-piperidine|17538|166953-64-6 https://www.jk-sci.com/products/j5317521 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476e894c2e865fe2f726fb8f38f5c699.jpg?v=1791410831 1H-Imidazol-2-ylmethylamine dihydrochloride, Assay by titration 95-105% (ex chloride) || Purity > 95% (NMR) | 22600-77-7 1H-Imidazol-2-ylmethylamine dihydrochloride|17521|22600-77-7 https://www.jk-sci.com/products/s57c4x-125272 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ea3ea20-4fa7-49f0-977e-4a51435e43e8.png?v=1791380905 Perindopril EP Impurity O, Purity: 97.4% Perindopril EP Impurity O|C4X-125272 https://www.jk-sci.com/products/s57c4x-125239 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274839_a93215b5-f6d0-4a09-bba4-0a9695116c18.png?v=1791380914 Perindopril Impurity 39, Purity: 99.1% | 79815-20-6 Perindopril Impurity 39|C4X-125239|79815-20-6 https://www.jk-sci.com/products/s57c4x-125289 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_582b2793-de23-4b7e-8b65-29fc18c562f1.png?v=1791380898 Perindopril Impurity 89, 84.20% Perindopril Impurity 89|C4X-125289 https://www.jk-sci.com/products/j5317563 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a81ac26a9e8af3166906cae58aa58da2.jpg?v=1791410798 Z-D-nipecotic acid, Purity by HPLC ≥ 98% | 160706-62-7 Z-D-nipecotic acid|17563|160706-62-7 https://www.jk-sci.com/products/s57c4x-125623 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ea1b41849c858a96f17beb93ec0d237.jpg?v=1791380867 Nilotinib Impurity 23, 99.60% | 917392-54-2 Nilotinib Impurity 23|C4X-125623|917392-54-2 https://www.jk-sci.com/products/s57c4x-1254114 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205955_75363015-7a85-4f2f-bfde-65183c17b8dd.png?v=1791380880 Tirofiban Impurity 114, 99.90% | 556-02-5 Tirofiban Impurity 114|C4X-1254114|556-02-5 https://www.jk-sci.com/products/s57c4x-12534 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101ce8a11a04f08d3575a52ec22217dd.jpg?v=1791380891 Gatifloxacin Impurity 4, 97.80% | 103460-89-5 Gatifloxacin Impurity 4|C4X-12534|103460-89-5 https://www.jk-sci.com/products/s57c4x-12564 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380886.png?v=1791380857 Nilotinib Impurity 4, 99.80% | 18595-18-1 Nilotinib Impurity 4|C4X-12564|18595-18-1 https://www.jk-sci.com/products/s57c4x-125519 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345455_cae0f0f0-afe7-4154-879b-9546f27323fd.png?v=1791380875 Omeprazole Impurity 19, 98.80% | 119-81-3 Omeprazole Impurity 19|C4X-125519|119-81-3 https://www.jk-sci.com/products/j5317587 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bd20bcbd9b79b41613473835e83f5ea.jpg?v=1791410774 1-(1H-1,2,3-Benzotriazol-1-yl)acetone, Purity ≥ 99% | 64882-50-4 1-(1H-1,2,3-Benzotriazol-1-yl)acetone|17587|64882-50-4 https://www.jk-sci.com/products/j5317612 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24b64fd82c58461035c7eb081b977828.jpg?v=1791410746 1-Methyl-piperazin-2-one, Purity ≥ 95% (NMR) | 59702-07-7 1-Methyl-piperazin-2-one|17612|59702-07-7 https://www.jk-sci.com/products/s57c4x-125814 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71b4ad2e14d6992731096529e9bcb98d.jpg?v=1791380839 Buspirone EP Impurity N, 97.40% | 257877-44-4 Buspirone EP Impurity N|C4X-125814|257877-44-4 https://www.jk-sci.com/products/j5317600 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66bf0baf14c823d40851c9ebca26c894.jpg?v=1791410760 1-Chloro-3,4-dihydro-2-naphthalenecarbaldehyde, Purity by HPLC ≥ 99% | 3262-03-1 1-Chloro-3,4-dihydro-2-naphthalenecarbaldehyde|17600|3262-03-1 https://www.jk-sci.com/products/s57c4x-125820 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ca898a7a94c43142644edf18586fd21.jpg?v=1791380834 Buspirone Impurity 20, 95.50% | 1821194-01-7 Buspirone Impurity 20|C4X-125820|1821194-01-7 https://www.jk-sci.com/products/s57c4x-125824 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca8eabcf39d390b0642667dc21deb7e.jpg?v=1791380824 Buspirone Impurity 24, 97.90% | 1800242-04-9 Buspirone Impurity 24|C4X-125824|1800242-04-9 https://www.jk-sci.com/products/s57c4x-12585 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a00efae9dfe720ac63302addcd32d19.jpg?v=1791380818 Buspirone EP Impurity E, 91.80% | 257877-43-3 Buspirone EP Impurity E|C4X-12585|257877-43-3 https://www.jk-sci.com/products/s57c4x-126111 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad59b057-78fb-478a-8e1d-529c7e2586aa.png?v=1791380807 Cephalexin Dimer, 90.10% Cephalexin Dimer|C4X-126111 https://www.jk-sci.com/products/j5317701 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0dccfcef159b9ee364d5d287bb37fce.jpg?v=1791410635 4-Bromo-thiophene-3-carboxylic acid, Purity by HPLC ≥ 95% | 16694-17-0 4-Bromo-thiophene-3-carboxylic acid|17701|16694-17-0 https://www.jk-sci.com/products/j5317692 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9f8447bbe9c024e51c08e44f7d97648.jpg?v=1791410656 4-(4-Methyl-piperazin-1-ylmethyl)phenylamine, Purity by HPLC ≥ 95% | 70261-82-4 4-(4-Methyl-piperazin-1-ylmethyl)phenylamine|17692|70261-82-4 https://www.jk-sci.com/products/j5317653 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cbe8dca18618b997ca77f77d0e8bb5d.jpg?v=1791410715 4-Amino-2-fluoropyridine, Assay ≥ 98% | 18614-51-2 4-Amino-2-fluoropyridine|17653|18614-51-2 https://www.jk-sci.com/products/j5317623 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a5e0ece5c75d7b5f3597ac05441561d.jpg?v=1791410732 4-Nitrophenylsuccinic acid, Purity ≥ 96% (NMR) | 21021-53-4 4-Nitrophenylsuccinic acid|17623|21021-53-4 https://www.jk-sci.com/products/j5317682 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee4e9461ca7b5ff5788279b2d317c34.jpg?v=1791410670 3-Methylbenzenecarboximidamide hydrochloride, Purity ≥ 95% (NMR) | 20680-59-5 3-Methylbenzenecarboximidamide hydrochloride|17682|20680-59-5 https://www.jk-sci.com/products/j5317673 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e13a5c02cebb84d7b3dabb4b02bb6041.jpg?v=1791410684 3-Amino-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one, Purity by HPLC ≥ 98% | 103343-47-1 3-Amino-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one|17673|103343-47-1 https://www.jk-sci.com/products/j5317709 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcba1fcd91f80b92814f888436bd9da4.jpg?v=1791410621 4-Methoxy-1H-indole-3-carboxylic acid, Purity ≥ 97% (NMR) | 203937-50-2 4-Methoxy-1H-indole-3-carboxylic acid|17709|203937-50-2 https://www.jk-sci.com/products/s57c4x-126751 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab4f8fe6-f586-4e7c-8589-51f36002c71a.png?v=1791380750 Ixazomib Impurity 51, 98.4%(qNMR:98.4%) Ixazomib Impurity 51|C4X-126751 https://www.jk-sci.com/products/s57c4x-126778 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd03600b-3591-4284-a2ed-bcc3f96815d9.png?v=1791380741 Ixazomib Impurity 78, 98.20% Ixazomib Impurity 78|C4X-126778 https://www.jk-sci.com/products/a01963054 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268022_d669e854-90af-49ef-9334-e8c678e2f9ac.png?v=1790205524 4'-Fluoropropiophenone, 98% | 456-03-1 4'-Fluoropropiophenone, 98%|963054|456-03-1 https://www.jk-sci.com/products/a01961398 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305396.png?v=1788912843 cis-2-Boc-hexahydropyrrolo[3,4-c]pyrrole, 98% | 250275-15-1 cis-2-Boc-hexahydropyrrolo[3,4-c]pyrrole, 98%|961398|250275-15-1 https://www.jk-sci.com/products/a01962748 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271136_adf8c979-21f9-4d8b-9c2b-3455dd8f6c9d.png?v=1788912788 Sodium thiosulfate anhydrous, 99.99%, metal basis | 7772-98-7 Sodium thiosulfate anhydrous, 99.99%, metal basis|962748|7772-98-7 https://www.jk-sci.com/products/j5317747 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4456a155232e0292eaa3b4b83ced06ee.jpg?v=1791410580 5-Pyridin-3-yl-2H-pyrazol-3-ylamine, Purity by HPLC ≥ 99% | 149246-87-7 5-Pyridin-3-yl-2H-pyrazol-3-ylamine|17747|149246-87-7 https://www.jk-sci.com/products/j5317756 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a7e13ab7c7c743e39e41e3e683b59d9.jpg?v=1791410570 (6-Bromoquinolin-2-yl)amine, Assay ≥ 97% || Purity by HPLC ≥ 97% | 791626-58-9 (6-Bromoquinolin-2-yl)amine|17756|791626-58-9 https://www.jk-sci.com/products/a01962008 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575064.png?v=1790205548 N-(9H-Fluoren-2-yl)acetamide, 98% | 53-96-3 N-(9H-Fluoren-2-yl)acetamide, 98%|962008|53-96-3 https://www.jk-sci.com/products/s57c4x-126730 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5b57cbc-9a1e-4adb-9e85-c8ca537c3f14.png?v=1791380776 Ixazomib Impurity 30, 99.7%(qNMR:98.4%) Ixazomib Impurity 30|C4X-126730 https://www.jk-sci.com/products/j5317712 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a27553f965f91de1cf7cb4b1ab9ff31b.jpg?v=1791410617 4-Phenylsulfanylpiperidine hydrochloride, Purity by HPLC ≥ 99% | 101798-66-7 4-Phenylsulfanylpiperidine hydrochloride|17712|101798-66-7 https://www.jk-sci.com/products/j5317721 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55f2abbcb489df3c9438e4591c49687a.jpg?v=1791410611 5-(3-Butyl ureido)-2-ethoxy benzenesulfonyl chloride, Purity ≥ 95% (NMR) | 680618-18-2 5-(3-Butyl ureido)-2-ethoxy benzenesulfonyl chloride|17721|680618-18-2 https://www.jk-sci.com/products/s57c4x-12702 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297579_fb89bf3d-b8c5-446c-8b88-204baf00fa71.png?v=1791380725 Cefaclor EP Impurity B, 99.70% | 53994-69-7 Cefaclor EP Impurity B|C4X-12702|53994-69-7 https://www.jk-sci.com/products/s57c4x-12713 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b4129054d8839a322884de0dca78f2.jpg?v=1791380693 Bendamustine Impurity 3, 98.40% | 3543-74-6 Bendamustine Impurity 3|C4X-12713|3543-74-6 https://www.jk-sci.com/products/s57c4x-126716 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e93bcab4-74cb-4a53-8b14-582cda148def.png?v=1791380783 Ixazomib Impurity 16, 96.30% Ixazomib Impurity 16|C4X-126716 https://www.jk-sci.com/products/j5317778 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d01a76f6ce50fbe65f6a468476033c4.jpg?v=1791410545 3-(Aminomethyl)-1-methyl-piperidine, Purity ≥ 95% (NMR) | 14613-37-7 3-(Aminomethyl)-1-methyl-piperidine|17778|14613-37-7 https://www.jk-sci.com/products/a01961956 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614522_5be310b6-a732-44e5-9050-79a1270de1fb.png?v=1788912829 Methyl palmitate, 99.5%, reference material | 112-39-0 Methyl palmitate, 99.5%, reference material|961956|112-39-0 https://www.jk-sci.com/products/a01962240 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161c21fab62e853729b8bb1312aace6a.jpg?v=1790009118 2-Phenylethylamine hydrobromide, 99% | 53916-94-2 2-Phenylethylamine hydrobromide, 99%|962240|53916-94-2 https://www.jk-sci.com/products/s57c4x-12686 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ae5da4c-b912-4dae-bd9e-788b2f415e3d.png?v=1791380728 Nalmefene Impurity 6, Purity: 97.0% Nalmefene Impurity 6|C4X-12686 https://www.jk-sci.com/products/s57c4x-126737 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a94a11d4-6ad7-4cc5-9686-bf3455cf1795.png?v=1791380767 Ixazomib Impurity 37, Purity: 100.0% Ixazomib Impurity 37|C4X-126737 https://www.jk-sci.com/products/s57c4x-12708 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dea19fa5-09c9-41ef-b500-56bf69ba85ff.png?v=1791380707 Cefaclor EP Impurity H, 95.70% Cefaclor EP Impurity H|C4X-12708 https://www.jk-sci.com/products/s57c4x-12661 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53a8bfab62ac8df8fbcdd0383738e76e.jpg?v=1791380793 Nintedanib Impurity N1, 93.10% | 894783-71-2 Nintedanib Impurity N1|C4X-12661|894783-71-2 https://www.jk-sci.com/products/j5317726 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b6f0eb66ea0e92767f7971ccc7fa383.jpg?v=1791410607 5-(3-Trifluoromethylphenyl)-2H-pyrazol-3-ylamine, Purity by HPLC ≥ 99% | 209224-91-9 5-(3-Trifluoromethylphenyl)-2H-pyrazol-3-ylamine|17726|209224-91-9 https://www.jk-sci.com/products/j5317766 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41a5c0a692a24af08c81cf3f8b5cdc01.jpg?v=1791410555 6-Methyl-2-pyridinemethanamine, Purity ≥ 98% (NMR) | 6627-60-7 6-Methyl-2-pyridinemethanamine|17766|6627-60-7 https://www.jk-sci.com/products/j5317785 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bfdc5e7f21bfa4659aeeb55b4b7bf4f.jpg?v=1791410526 Di-tert-Butylmethylsilane, Purity by GC ≥ 98% | 56310-20-4 Di-tert-Butylmethylsilane|17785|56310-20-4 https://www.jk-sci.com/products/j5317795 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bcff4772600395bbee629a693b2f26b.jpg?v=1791410514 Isoxazole-3-carbaldehyde, Purity ≥ 98% | 89180-61-0 Isoxazole-3-carbaldehyde|17795|89180-61-0 https://www.jk-sci.com/products/s57c4x-12843 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417582_cecf3900-2193-4bb9-a7e5-c338a2400549.png?v=1791380688 Cefalotin EP Impurity C/Cefoperazone EP Impurity E/Cefazolin EP Impurity H, 95.30% | 957-68-6 Cefalotin EP Impurity C/Cefoperazone EP Impurity E/Cefazolin EP Impurity H|C4X-12843|957-68-6 https://www.jk-sci.com/products/s57c4x-129213 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d37ba85000e4ef75cefb187d9a66b10c_6783f8aa-194e-4b5b-9f9a-7ed14acafa00.jpg?v=1791380660 Levocarnitine Impurity 13, 94.80% | 127913-44-4 Levocarnitine Impurity 13|C4X-129213|127913-44-4 https://www.jk-sci.com/products/s57c4x-12921 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4dd7b0092c6ab77b4b815e0c425c902.jpg?v=1791380663 Levocarnitine EP Impurity A Chloride（E-Isomer）, 90.20% | 144205-67-4 Levocarnitine EP Impurity A Chloride（E-Isomer）|C4X-12921|144205-67-4 https://www.jk-sci.com/products/s57c4x-1289 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156436.png?v=1791380666 Faropenem Sodium, 88.70% | 158365-51-6 Faropenem Sodium|C4X-1289|158365-51-6 https://www.jk-sci.com/products/j5317841 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb5b21fccbdd17a0e98b061e50ff4040.jpg?v=1791410456 (4-Phenyl-thiazol-2-yl)hydrazine hydrochloride, Purity by HPLC ≥ 97% | 17574-10-6 (4-Phenyl-thiazol-2-yl)hydrazine hydrochloride|17841|17574-10-6 https://www.jk-sci.com/products/j5317804 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/907cdde7140b4da102295071b11cbcff.jpg?v=1791410495 N-Methyl-1-quinolin-6-ylmethanamine, Purity ≥ 95% (NMR) | 179873-36-0 N-Methyl-1-quinolin-6-ylmethanamine|17804|179873-36-0 https://www.jk-sci.com/products/j5317812 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63aa861b6613d1af808742d04690a374.jpg?v=1791410486 DL-3-Pyrrolidine carboxylic acid, Purity ≥ 95% (NMR) | 59378-87-9 DL-3-Pyrrolidine carboxylic acid|17812|59378-87-9 https://www.jk-sci.com/products/j5317824 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02f5a6ee76633b620730e95c9b6e94d7.jpg?v=1791410471 (3-Chlorophenyl)oxo-acetonitrile, Purity by HPLC ≥ 96% | 26152-02-3 (3-Chlorophenyl)oxo-acetonitrile|17824|26152-02-3 https://www.jk-sci.com/products/j5317891 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c648117b782456e3ad536a8df980b78.jpg?v=1791410418 1-Boc-2,2-dimethyl-piperazine, Purity ≥ 95% (NMR) | 674792-07-5 1-Boc-2,2-dimethyl-piperazine|17891|674792-07-5 https://www.jk-sci.com/products/j5317878 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33155cd4f96bd932cb9228021073b740.jpg?v=1791410428 1-(3-Methyl-pyridin-2-ylmethyl)piperazine, Purity ≥ 95% (NMR) | 524673-92-5 1-(3-Methyl-pyridin-2-ylmethyl)piperazine|17878|524673-92-5 https://www.jk-sci.com/products/j5317868 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb2cd91481caaa9afe0a3a09ca281513.jpg?v=1791410437 1-Acetylcyclohexanol, Assay ≥ 95% | 1123-27-9 1-Acetylcyclohexanol|17868|1123-27-9 https://www.jk-sci.com/products/j5317897 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30e3c216bbc05c0c78d40b51d2eb5061.jpg?v=1791410414 1-Boc-4-(3-hydroxyphenyl)piperazine, Purity by HPLC ≥ 99% | 198627-86-0 1-Boc-4-(3-hydroxyphenyl)piperazine|17897|198627-86-0 https://www.jk-sci.com/products/j5317937 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f363a811ae014a66fb4093e7310dd404.jpg?v=1791410365 2-(3-Bromophenyl)thiazole-4-carboxylic acid ethyl ester, Purity by HPLC ≥ 99% | 786654-97-5 2-(3-Bromophenyl)thiazole-4-carboxylic acid ethyl ester|17937|786654-97-5 https://www.jk-sci.com/products/j5317905 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2db4dbf24825cc03618178fb4099fc21.jpg?v=1791410405 1-Bromo-1-phenylacetone, Assay ≥ 95% | 23022-83-5 1-Bromo-1-phenylacetone|17905|23022-83-5 https://www.jk-sci.com/products/j5317915 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ee600b34a7836be6171a4e1ac50cd02.jpg?v=1791410394 1H-Indazole-5-carboxylic acid, Purity by HPLC ≥ 96% | 61700-61-6 1H-Indazole-5-carboxylic acid|17915|61700-61-6 https://www.jk-sci.com/products/j5317929 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f320b69375ccd14e356ef07fb0bb4ab.jpg?v=1791410374 1-Pyridin-4-ylmethyl-piperidin-4-ylamine, Purity ≥ 98% (NMR) | 160357-89-1 1-Pyridin-4-ylmethyl-piperidin-4-ylamine|17929|160357-89-1 https://www.jk-sci.com/products/j5316878 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f89c8e8cf7536d98f9f41c38fa10af79.jpg?v=1791411711 Boc-O-allyl-L-m-tyrosine, Purity by HPLC ≥ 99% | 1175919-93-3 Boc-O-allyl-L-m-tyrosine|16878|1175919-93-3 https://www.jk-sci.com/products/a01963382 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273660.png?v=1788912763 4-Chlorobenzophenone, 99% | 134-85-0 4-Chlorobenzophenone, 99%|963382|134-85-0 https://www.jk-sci.com/products/a01964257 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19fb0d89641180221a9901a927ca5de8.jpg?v=1788912726 tert-Butyl 3-endo-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate, 97% | 143557-91-9 tert-Butyl 3-endo-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate, 97%|964257|143557-91-9 https://www.jk-sci.com/products/s57c4x-129222 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2279ac88-a726-465c-b361-49f1ce42f1c3.png?v=1791380652 Levocarnitine Impurity 22, 94.80% Levocarnitine Impurity 22|C4X-129222 https://www.jk-sci.com/products/j5317119 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c62cef174e9baa5f99ca8cab102e6a3.jpg?v=1791411395 4-(1H-Pyrazol-1-yl)benzoic acid, Purity by HPLC ≥ 99% | 16209-00-0 4-(1H-Pyrazol-1-yl)benzoic acid|17119|16209-00-0 https://www.jk-sci.com/products/j5317207 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c214d403f2ff86f464c7e367f08dad49.jpg?v=1791411250 N-Z-Isonipecotinamide, Purity by HPLC ≥ 96% | 167757-45-1 N-Z-Isonipecotinamide|17207|167757-45-1 https://www.jk-sci.com/products/j5317304 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da63bc3d66d3097a5bee811710f65a81.jpg?v=1791411124 Isoquinoline-5-boronic acid, Purity by HPLC ≥ 95% | 371766-08-4 Isoquinoline-5-boronic acid|17304|371766-08-4 https://www.jk-sci.com/products/j5317378 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0fc881ec88356a70b1aab5d84681b8a.jpg?v=1791411035 3-(4-Chlorophenyl)imidazo[1,5-a]pyridine-1-carbaldehyde, Purity ≥ 99% | 446269-62-1 3-(4-Chlorophenyl)imidazo[1,5-a]pyridine-1-carbaldehyde|17378|446269-62-1 https://www.jk-sci.com/products/j5317431 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0f93a4f8149e0f1bbc477dc55f620c7.jpg?v=1791410952 2-(4-Methoxyphenyl)piperazine, Purity by HPLC ≥ 95% | 91517-26-9 2-(4-Methoxyphenyl)piperazine|17431|91517-26-9 https://www.jk-sci.com/products/s57c4x-12925 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/445903_e2d7e2fb-76bd-4be9-a5b2-b4f7d4e35992.png?v=1791380643 D-Carnitine, 92.00% | 541-14-0 D-Carnitine|C4X-12925|541-14-0 https://www.jk-sci.com/products/s57c4x-12923 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8422f4c2524fc0dd89d2cd09687c4686.jpg?v=1791380648 Levocarnitine EP Impurity C Chloride, 93.80% | 6490-20-6 Levocarnitine EP Impurity C Chloride|C4X-12923|6490-20-6 https://www.jk-sci.com/products/j5317477 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/644263cc01be865c64f1ebe357cf0695.jpg?v=1791410887 4-Aminopyrimidine-5-carboxylic acid, Purity by HPLC ≥ 95% | 20737-41-1 4-Aminopyrimidine-5-carboxylic acid|17477|20737-41-1 https://www.jk-sci.com/products/s57c4x-12929 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a868cad8ff5426d657272c9c846c8f4_48c11eeb-6f31-4ef1-a284-a5448ce88e97.jpg?v=1791380643 Levocarnitine Impurity 9, 96.60% | 461-05-2 Levocarnitine Impurity 9|C4X-12929|461-05-2 https://www.jk-sci.com/products/s57c4x-12942 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ac57bd47566f5a9f697236834a432b.jpg?v=1791380634 Guaifenesin EP Impurity B, 97.70% | 14007-09-1 Guaifenesin EP Impurity B|C4X-12942|14007-09-1 https://www.jk-sci.com/products/j5317517 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe3c17c52f3ce81b0b573e620cb68614.jpg?v=1791410836 6-(Trifluoromethoxy)-3-indazole carboxylic acid, Purity ≥ 98% (NMR) | 869782-97-8 6-(Trifluoromethoxy)-3-indazole carboxylic acid|17517|869782-97-8 https://www.jk-sci.com/products/j5317543 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aee8f899b3b8eda2968d1a92c7a7cede.jpg?v=1791410813 Pyrimidine-4-carboxylic acid, Purity ≥ 95% | 31462-59-6 Pyrimidine-4-carboxylic acid|17543|31462-59-6 https://www.jk-sci.com/products/j5317598 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/004e532fc820a53017a95c95887f91a8.jpg?v=1791410761 1-Boc-6-amino-indazole, Purity by HPLC ≥ 96% | 219503-81-8 1-Boc-6-amino-indazole|17598|219503-81-8 https://www.jk-sci.com/products/s57c4x-12949 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362152.png?v=1791380627 1-Methoxy-2-(2-propen-1-yloxy)benzene, 92.80% | 4125-43-3 1-Methoxy-2-(2-propen-1-yloxy)benzene|C4X-12949|4125-43-3 https://www.jk-sci.com/products/s57c4x-12944 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232d894497f657ad45392dfc7f1b17d0.jpg?v=1791380633 Guaifenesin EP Impurity D, 96.40% | 16929-60-5 Guaifenesin EP Impurity D|C4X-12944|16929-60-5 https://www.jk-sci.com/products/s57c4x-129819 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a08d82f3-2f81-435c-a2aa-c759916dbb5a.png?v=1791380623 Dobutamine Impurity 19, Purity: 97.4% Dobutamine Impurity 19|C4X-129819 https://www.jk-sci.com/products/s57c4x-129826 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441116.png?v=1791380620 Dobutamine Impurity 26, Purity: 99.1% | 243139-71-1 Dobutamine Impurity 26|C4X-129826|243139-71-1 https://www.jk-sci.com/products/s57c4x-129829 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3ad8e95-ca2f-4add-a79c-0a190427a097.png?v=1791380617 Dobutamine Impurity 29, Purity: 98.4% Dobutamine Impurity 29|C4X-129829 https://www.jk-sci.com/products/j5317619 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d41eff0fc61a1e8c7719e93fb445a83e.jpg?v=1791410736 2-(2-Pyridin-2-yl-1H-indol-3-yl)ethanamine monohydrochloride, Purity ≥ 95% (LC) | 374064-08-1 2-(2-Pyridin-2-yl-1H-indol-3-yl)ethanamine monohydrochloride|17619|374064-08-1 https://www.jk-sci.com/products/s57c4x-129838 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5a1ea1a-f1c9-4404-a634-68829c835305.png?v=1791380608 N-Nitroso Dobutamine, 95.80% N-Nitroso Dobutamine|C4X-129838 https://www.jk-sci.com/products/j5317664 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d379ff62cff49517686ef2ca1986cd.jpg?v=1791410701 2-Piperidin-2-yl-1H-benzoimidazole, Purity ≥ 95% | 51785-23-0 2-Piperidin-2-yl-1H-benzoimidazole|17664|51785-23-0 https://www.jk-sci.com/products/j5317681 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b10c8d57e05a34e98e4eecee48f62a2.jpg?v=1791410675 3-Methyl-1H-indole-2-carbaldehyde, Purity by HPLC ≥ 98% | 5257-24-9 3-Methyl-1H-indole-2-carbaldehyde|17681|5257-24-9 https://www.jk-sci.com/products/s57c4x-12984 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393321_71b8080c-59d8-4825-881c-ca4daea9ad7b.png?v=1791380609 Dobutamine Impurity 4, 99.00% | 104-20-1 Dobutamine Impurity 4|C4X-12984|104-20-1 https://www.jk-sci.com/products/s57c4x-129830 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_35f00fd0-3cde-4c58-be2c-42746562af58.png?v=1791380613 Dobutamine Impurity 30 HCl, Purity: 99.5% Dobutamine Impurity 30 HCl|C4X-129830 https://www.jk-sci.com/products/a01965961 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480479.png?v=1788912683 tert-Butyl 2-methylpiperazine-1-carboxylate, 97% | 120737-78-2 tert-Butyl 2-methylpiperazine-1-carboxylate, 97%|965961|120737-78-2 https://www.jk-sci.com/products/a01964863 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370654_2dfd258d-acb7-4d49-a8c3-6057945ab546.png?v=1790205490 Vitamin A acetate, 32.5万IU/g | 127-47-9 Vitamin A acetate, 32.5万IU/g|964863|127-47-9 https://www.jk-sci.com/products/a01966452 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129412_d8c9cfb5-00d4-4758-990d-cbae20264f96.png?v=1788912654 Boc-L-2-aminobutyric acid, 98% | 34306-42-8 Boc-L-2-aminobutyric acid, 98%|966452|34306-42-8 https://www.jk-sci.com/products/a01966632 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d3b77426755ea25fce4c18f6c9ef323.jpg?v=1788912644 2-(9,9-Diphenyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 462128-39-8 2-(9,9-Diphenyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97%|966632|462128-39-8 https://www.jk-sci.com/products/a01967833 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282510.png?v=1790205423 Calix[6]arene, 95% | 96107-95-8 Calix[6]arene, 95%|967833|96107-95-8 https://www.jk-sci.com/products/a01967379 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132821_677d82fb-51c4-4e1d-8093-27a978ec43d3.png?v=1788912625 β-tri-Calcium phosphate, 98%, β-phase, ＜30 μm | 7758-87-4 β-tri-Calcium phosphate, 98%, β-phase, ＜30 μm|967379|7758-87-4 https://www.jk-sci.com/products/a01146762 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328705_9030c92a-ebd6-4b01-b012-23aeb09ad521.png?v=1790215999 4-Aminobenzophenone, 98% | 1137-41-3 4-Aminobenzophenone, 98%|146762|1137-41-3 https://www.jk-sci.com/products/j5317711 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed3eddf058d57347039118d25695b301.jpg?v=1791410618 N-Boc-hexahydro-1H-azepin-4-one, Purity by GC ≥ 98% | 188975-88-4 N-Boc-hexahydro-1H-azepin-4-one|17711|188975-88-4 https://www.jk-sci.com/products/j5317694 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6e7ba906009ca758288e779b1cce405.jpg?v=1791410652 4,6-Dichloro-pyridin-3-ylamine, Purity by HPLC ≥ 98% | 7321-93-9 4,6-Dichloro-pyridin-3-ylamine|17694|7321-93-9 https://www.jk-sci.com/products/s57c4x-130036 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43169becd467d313d027e3165ad5b75c.jpg?v=1791380592 Tacrolimus Impurity 36, 97.70% | 131944-48-4 Tacrolimus Impurity 36|C4X-130036|131944-48-4 https://www.jk-sci.com/products/a01147562 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147562.png?v=1790215968 Methyl 4-fluorobenzoate, 99% | 403-33-8 Methyl 4-fluorobenzoate, 99%|147562|403-33-8 https://www.jk-sci.com/products/a01146951 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146951.png?v=1790215995 Bromosuccinic acid, 97% | 923-06-8 Bromosuccinic acid, 97%|146951|923-06-8 https://www.jk-sci.com/products/a01147009 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147009.png?v=1790215986 4-Fluoro-2-methylphenol, 98% | 452-72-2 4-Fluoro-2-methylphenol, 98%|147009|452-72-2 https://www.jk-sci.com/products/a01146972 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_73b0e0d1-0abf-4887-b9f7-105eac2f2b8d.png?v=1788931095 Peptone | 73049-73-7 Peptone|146972|73049-73-7 https://www.jk-sci.com/products/a01147605 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581580.png?v=1790340256 Ethyl 3-(N,N-dimethylamino)acrylate, 98% | 924-99-2 Ethyl 3-(N,N-dimethylamino)acrylate, 98%|147605|924-99-2 https://www.jk-sci.com/products/a011472245 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32b965666881db56fec0e0fef4ec3327.jpg?v=1788931079 Lithium titanate, spinel, 99.9%, mental basis, particle size：~100nm | 12031-95-7 Lithium titanate, spinel, 99.9%, mental basis, particle size：~100nm|1472245|12031-95-7 https://www.jk-sci.com/products/j5317755 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8160352aaffcfc34219a412597c6c6d1.jpg?v=1791410569 6-Bromo-2-chloro quinoline, Purity by HPLC ≥ 99% | 1810-71-5 6-Bromo-2-chloro quinoline|17755|1810-71-5 https://www.jk-sci.com/products/j5317776 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66347327b8a3d9a6482913527b6c5b1a.jpg?v=1791410547 Amino-(tetrahydropyran-4-yl)acetic acid methyl ester hydrochloride, Purity ≥ 96% | 1260637-54-4 Amino-(tetrahydropyran-4-yl)acetic acid methyl ester hydrochloride|17776|1260637-54-4 https://www.jk-sci.com/products/j5317724 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c3ce01de29664de3d7148de542ff163.jpg?v=1791410607 5-(3-Fluorophenyl)-2H-pyrazol-3-ylamine, Purity by HPLC ≥ 98% | 766519-89-5 5-(3-Fluorophenyl)-2H-pyrazol-3-ylamine|17724|766519-89-5 https://www.jk-sci.com/products/j5317811 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc0e802b36e633e00d74e596542e352a.jpg?v=1791410486 Pyrimidine-2-carboxylic acid, Purity by HPLC ≥ 99% | 31519-62-7 Pyrimidine-2-carboxylic acid|17811|31519-62-7 https://www.jk-sci.com/products/j5317790 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4029ef3df3d6dbf396d5a4b82dd21e8.jpg?v=1791410519 Ethyl 1,3-thiazole-4-carboxylate, Purity by HPLC ≥ 97% | 14527-43-6 Ethyl 1,3-thiazole-4-carboxylate|17790|14527-43-6 https://www.jk-sci.com/products/j5317838 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d59c30272466b7223b410caeb505be63.jpg?v=1791410456 4-N-Boc-amino-cyclohexanol, Purity by HPLC ≥ 96% | 111300-06-2 4-N-Boc-amino-cyclohexanol|17838|111300-06-2 https://www.jk-sci.com/products/s57c4x-130311 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f18f4867b70704e551cd4654d24562c4.jpg?v=1791380564 Roxithromycin EP Impurity I, 95.00% | 425365-66-8 Roxithromycin EP Impurity I|C4X-130311|425365-66-8 https://www.jk-sci.com/products/s57c4x-13019 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a35bc3f2922a23b9655f756445eee9.jpg?v=1791380570 Desonide Impurity 9, 96.00% | 117782-94-2 Desonide Impurity 9|C4X-13019|117782-94-2 https://www.jk-sci.com/products/s57c4x-13017 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09c7142c7e88238cebd0868267665b4a.jpg?v=1791380572 1,2-Dihydrodesonide, 98.20% | 638-93-7 1,2-Dihydrodesonide|C4X-13017|638-93-7 https://www.jk-sci.com/products/j5317893 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc1c1771e766b06f6c41c277caff9fca.jpg?v=1791410414 1-Boc-1,2,3,4-tetrahydroquinoline-2-carboxylic acid, Assay ≥ 97% | 123811-87-0 1-Boc-1,2,3,4-tetrahydroquinoline-2-carboxylic acid|17893|123811-87-0 https://www.jk-sci.com/products/j5317875 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8781c202ecbc13e596c77cbc713d1409.jpg?v=1791410428 1-(3-Amino-2-chloro-pyridin-4-yl)ethanone, Purity by HPLC ≥ 97% | 342899-35-8 1-(3-Amino-2-chloro-pyridin-4-yl)ethanone|17875|342899-35-8 https://www.jk-sci.com/products/j5317913 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/049da7c0eff5cc0b1699523abaa2d71a.jpg?v=1791410399 1H-Indazole-3,4-dicarboxylic acid 4-methyl ester, Purity ≥ 97% | 393553-44-1 1H-Indazole-3,4-dicarboxylic acid 4-methyl ester|17913|393553-44-1 https://www.jk-sci.com/products/j5317932 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bde59100f2f7e06eb325560410aefae5.jpg?v=1791410369 2-(2H-Tetrazol-5-yl)ethanol, Purity ≥ 95% (NMR) | 17587-08-5 2-(2H-Tetrazol-5-yl)ethanol|17932|17587-08-5 https://www.jk-sci.com/products/j5317944 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af9dd082c23d3627eb7fb751fd8366f2.jpg?v=1791410360 4-Aminophenylsuccinic acid, Assay ≥ 96% (NMR) | 22511-21-3 4-Aminophenylsuccinic acid|17944|22511-21-3 https://www.jk-sci.com/products/s57c4x-13032 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40c3d103daa44759d7b1f95c7a1f35cb_18514943-7b46-48c2-8584-073a67fd0563.jpg?v=1791380559 Roxithromycin EP Impurity B, 97.10% | 214902-82-6 Roxithromycin EP Impurity B|C4X-13032|214902-82-6 https://www.jk-sci.com/products/j5317952 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6bc50f05520f2ae4cb6ddc8a7f45aba4.jpg?v=1791410351 2-(4-Methoxyphenyl)thiazole-4-carbaldehyde, Purity by HPLC ≥ 99% | 174006-71-4 2-(4-Methoxyphenyl)thiazole-4-carbaldehyde|17952|174006-71-4 https://www.jk-sci.com/products/s57c4x-13036 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf0256c9de85a60aa90556e947d3e079.jpg?v=1791380561 Roxithromycin EP Impurity F, 84.10% | 118267-18-8 Roxithromycin EP Impurity F|C4X-13036|118267-18-8 https://www.jk-sci.com/products/a01148594 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148594.png?v=1788931017 Cyanuric acid, 98%, reference material | 108-80-5 Cyanuric acid, 98%, reference material|148594|108-80-5 https://www.jk-sci.com/products/a01149148 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149148.png?v=1788000704 4-Dicyanomethylene-2,6-dimethyl-4H-pyran, 97% | 28286-88-6 4-Dicyanomethylene-2,6-dimethyl-4H-pyran, 97%|149148|28286-88-6 https://www.jk-sci.com/products/j5317964 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/baf18419d01bfa13f333c851ecb5de1d.jpg?v=1791410341 2,4-Dibromo-butyric acid ethyl ester, Purity ≥ 95% (NMR) | 36847-51-5 2,4-Dibromo-butyric acid ethyl ester|17964|36847-51-5 https://www.jk-sci.com/products/j5317957 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7c700a219a610091c5c13a087c038b9.jpg?v=1791410351 2-(Tetrahydropyran-2-yl)ethylamine hydrochloride, Purity ≥ 95% (NMR) | 1005756-81-9 2-(Tetrahydropyran-2-yl)ethylamine hydrochloride|17957|1005756-81-9 https://www.jk-sci.com/products/j5317985 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5c382fcf91dfb73c7cc82e83cb4a80a.jpg?v=1791410314 2H-Pyrazol-3-yl-methylamine hydrochloride, Purity ≥ 95% (NMR) | 37599-58-9 2H-Pyrazol-3-yl-methylamine hydrochloride|17985|37599-58-9 https://www.jk-sci.com/products/j5317971 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c93755b7ded2c9eddeb1cf0ef1cc890.jpg?v=1791410331 2-Benzyl-octahydro-pyrrolo [3,4-c] pyrrole, Purity by HPLC ≥ 97% | 86732-22-1 2-Benzyl-octahydro-pyrrolo [3,4-c] pyrrole|17971|86732-22-1 https://www.jk-sci.com/products/j5318004 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5129a133012dcdbef49f4eabf222ce15.jpg?v=1791410298 3-(2H-Tetrazol-5-yl)phenyl-boronic acid, Purity by HPLC ≥ 97% | 775351-30-9 3-(2H-Tetrazol-5-yl)phenyl-boronic acid|18004|775351-30-9 https://www.jk-sci.com/products/j5317987 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36e110b56f57e58155529b2f0d7a6b4e.jpg?v=1791410313 2-Imidazo[1,2-a]pyridin-2-yl-ethylamine, Purity by HPLC ≥ 96% | 43170-96-3 2-Imidazo[1,2-a]pyridin-2-yl-ethylamine|17987|43170-96-3 https://www.jk-sci.com/products/s57c4x-130810 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_199e1a1c-a3d0-4082-82f2-1a238ba4d1c2.png?v=1791380548 Levosimendan Impurity 10, 99.60% Levosimendan Impurity 10|C4X-130810 https://www.jk-sci.com/products/s57c4x-130414 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_89d3716c-ffb1-40fd-b692-1159d80680b6.png?v=1791380547 Penehyclidine impurity 14 HCI, Purity: 96.1% Penehyclidine impurity 14 HCI|C4X-130414 https://www.jk-sci.com/products/s57c4x-130834 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75b31533b645903d5049f6ccc4f55975.jpg?v=1791380539 Dextrosimendan, 99.00% | 144238-75-5 Dextrosimendan|C4X-130834|144238-75-5 https://www.jk-sci.com/products/s57c4x-13082 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113608_13ee680f-d80d-48ef-82ab-803ce4b85625.png?v=1791380543 Levosimendan Impurity 2, 99.90% | 101328-85-2 Levosimendan Impurity 2|C4X-13082|101328-85-2 https://www.jk-sci.com/products/s57c4x-130842 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a2890d9-0892-45ae-8e00-b1a362fe6edb.png?v=1791380533 Levosimendan Impurity 42, 94.90% Levosimendan Impurity 42|C4X-130842 https://www.jk-sci.com/products/j5318025 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cea518b8defe5cb3d57ff1ff7eec6b6.jpg?v=1791410271 3-Bromo-4-methoxy-pyridine, Purity by GC ≥ 99% | 82257-09-8 3-Bromo-4-methoxy-pyridine|18025|82257-09-8 https://www.jk-sci.com/products/a011493876 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/894ac7331f1b036f5e22200d81cc4cff.jpg?v=1788930955 trans,trans-4'-Propyl-4-(4-trifluoromethoxyphenyl)bicyclohexyl, 98% | 133937-72-1 trans,trans-4'-Propyl-4-(4-trifluoromethoxyphenyl)bicyclohexyl, 98%|1493876|133937-72-1 https://www.jk-sci.com/products/a011498540 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f329dbe737de92291267ab145e252edd.jpg?v=1790215871 Iproniazid, 97% | 54-92-2 Iproniazid, 97%|1498540|54-92-2 https://www.jk-sci.com/products/j5318029 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/072a043844d5dc4faeb744554f81f544.jpg?v=1791410270 2-Amino-3-chloromethyl pyridine hydrochloride, Assay ≥ 96% | 858431-29-5 2-Amino-3-chloromethyl pyridine hydrochloride|18029|858431-29-5 https://www.jk-sci.com/products/j5318054 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06300220aeedfae626cd1066f64979cf.jpg?v=1791410243 4-Amino-3-bromo-benzoic acid ethyl ester, Purity by HPLC ≥ 97% | 7149-03-3 4-Amino-3-bromo-benzoic acid ethyl ester|18054|7149-03-3 https://www.jk-sci.com/products/a01149955 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232700.png?v=1790215871 3-Chlorobenzoic acid, 99% | 535-80-8 3-Chlorobenzoic acid, 99%|149955|535-80-8 https://www.jk-sci.com/products/j5318070 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7801dfe052409ddf73534dc7609fb139.jpg?v=1791410222 5-Cyano-2-fluorobenzaldehyde, Purity by GC ≥ 98% | 146137-79-3 5-Cyano-2-fluorobenzaldehyde|18070|146137-79-3 https://www.jk-sci.com/products/j5318077 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecd470a748e115bd6c86cf65993a2f6f.jpg?v=1791410218 4-Phenyl-cyclohexylamine, Purity ≥ 95% (NMR) | 19992-45-1 4-Phenyl-cyclohexylamine|18077|19992-45-1 https://www.jk-sci.com/products/j5318059 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efe358b8e8ca449049cab56aa9e002ab.jpg?v=1791410237 4-Bromonicotinic acid, Purity by GC ≥ 98% | 15366-62-8 4-Bromonicotinic acid|18059|15366-62-8 https://www.jk-sci.com/products/j5318079 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dedd4a5ca176f505323bce8521a79b2.jpg?v=1791410212 4-Phenyl-pyridin-2-ylamine, Purity ≥ 97% (NMR) | 60781-83-1 4-Phenyl-pyridin-2-ylamine|18079|60781-83-1 https://www.jk-sci.com/products/j5318116 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad76d8d978ee62b2bca6361489b43f2f.jpg?v=1791410175 5-Methyl-1H-indazole-3-carboxylic acid, Purity by HPLC ≥ 98% | 1201-24-7 5-Methyl-1H-indazole-3-carboxylic acid|18116|1201-24-7 https://www.jk-sci.com/products/a01150037 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469240_1615ed46-5646-4c35-99cb-898ca5b7903e.png?v=1790215872 5-Azacytidine, 99%, a nucleoside analogue of cytidine that specifically inhibits DNA methylation by trapping DNA methyltransferases | 320-67-2 5-Azacytidine, 99%, a nucleoside analogue of cytidine that specifically inhibits DNA methylation by trapping DNA methyltransferases|150037|320-67-2 https://www.jk-sci.com/products/j5318101 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0183c70a5a6c26fca74b424709627be8.jpg?v=1791410197 5-Bromo-1H-benzoimidazole-2-carboxylic acid, Purity by HPLC ≥ 95% | 40197-20-4 5-Bromo-1H-benzoimidazole-2-carboxylic acid|18101|40197-20-4 https://www.jk-sci.com/products/a01150222 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150222.png?v=1790215862 2,5-Difluorobenzoic acid, 98% | 2991-28-8 2,5-Difluorobenzoic acid, 98%|150222|2991-28-8 https://www.jk-sci.com/products/j5318129 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ec3edf0b48124d1cd18d469f3b2a60f.jpg?v=1791410163 6-Bromo-2-methoxypyridin-3-ylamine, Purity by HPLC ≥ 99% | 89466-18-2 6-Bromo-2-methoxypyridin-3-ylamine|18129|89466-18-2 https://www.jk-sci.com/products/j5318133 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f6f129e4466ef372d8752cf17b30cb6.jpg?v=1791410158 4-Amino-6-chloroquinoline, Purity ≥ 98% (NMR) | 20028-60-8 4-Amino-6-chloroquinoline|18133|20028-60-8 https://www.jk-sci.com/products/j5318173 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d024acfd152c7486d84fe50fb458d0d.jpg?v=1791410117 1H-Benzimidazol-2-ylmethylamine dihydrochloride, Purity ≥ 98% (NMR) | 5805-57-2 1H-Benzimidazol-2-ylmethylamine dihydrochloride|18173|5805-57-2 https://www.jk-sci.com/products/j5318168 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ae709d3c59ca50e1c16d6d365ef1bb1.jpg?v=1791410122 Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester, Purity ≥ 98% | 159749-28-7 Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester|18168|159749-28-7 https://www.jk-sci.com/products/j5318192 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/021578d6c52efd1e7f92b748503f56b1.jpg?v=1791410097 Imidazo[1,2-a]pyridin-2-yl-acetic acid, Purity ≥ 96% (LCMS) | 19741-30-1 Imidazo[1,2-a]pyridin-2-yl-acetic acid|18192|19741-30-1 https://www.jk-sci.com/products/j5318182 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/985e9cd3270bc781c754925bde4142b5.jpg?v=1791410112 Isoxazol-5-yl-methylamine hydrochloride, Purity ≥ 95% (NMR) | 440099-32-1 Isoxazol-5-yl-methylamine hydrochloride|18182|440099-32-1 https://www.jk-sci.com/products/s57c4x-130918 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e51a470-35ee-4ba9-9d08-4b34b0f744b9.png?v=1791380523 N-Nitroso Meropenem, Purity: 96.8% N-Nitroso Meropenem|C4X-130918 https://www.jk-sci.com/products/j5318195 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c45c6c3d7735221dd9d2bb3e171cbe0.jpg?v=1791410092 1H-Indazol-1-ylacetic acid, Purity by HPLC ≥ 97% | 32829-25-7 1H-Indazol-1-ylacetic acid|18195|32829-25-7 https://www.jk-sci.com/products/j5317050 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a7d9f80dfad662355027a128105dcf8.jpg?v=1791411506 1-Cyclohexylpiperazine, Purity by HPLC ≥ 95% | 17766-28-8 1-Cyclohexylpiperazine|17050|17766-28-8 https://www.jk-sci.com/products/s57c4x-13112 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0e3119dac3736fd937089e04b60eff2_05e0a560-71b7-4527-ba60-33147a1126d4.jpg?v=1791380515 Cyclosporin A, 100.00% | 59865-13-3 Cyclosporin A|C4X-13112|59865-13-3 https://www.jk-sci.com/products/s57c4x-13098 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c64a9d3faeb2cde273684c1c2aa8b6c4.jpg?v=1791380520 Meropenem EP Impurity A, 94.40% | 1053703-36-8 Meropenem EP Impurity A|C4X-13098|1053703-36-8 https://www.jk-sci.com/products/j5318224 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91be7237cf795852fd9b901f8b504f62.jpg?v=1791410073 Pyrimidine-5-carbothioic acid amide, Assay ≥ 99% | 88891-75-2 Pyrimidine-5-carbothioic acid amide|18224|88891-75-2 https://www.jk-sci.com/products/j5317418 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d9ac4855a39c8ac6d53e25926a9d45e.jpg?v=1791410975 1-Benzyl-Azetidine-2-carboxylic acid methyl ester, Purity by HPLC ≥ 95% | 18085-37-5 1-Benzyl-Azetidine-2-carboxylic acid methyl ester|17418|18085-37-5 https://www.jk-sci.com/products/j5317502 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb77f33cd3017caf268476d7a16a8ca4.jpg?v=1791410858 5-Methoxy-1H-indazole-3-carboxylic acid, Purity by HPLC ≥ 95% | 90417-53-1 5-Methoxy-1H-indazole-3-carboxylic acid|17502|90417-53-1 https://www.jk-sci.com/products/j5317248 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c25e919140b8ea20d43b2d07c9fc893.jpg?v=1791411192 2-Methoxypyrimidine-5-boronic acid, Purity by HPLC ≥ 95% | 628692-15-9 2-Methoxypyrimidine-5-boronic acid|17248|628692-15-9 https://www.jk-sci.com/products/j5317578 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbd5f0e69976f645dc1ab3488cd2b8f2.jpg?v=1791410780 1-(4-Fluorophenyl)piperidin-4-one, Purity ≥ 95% (NMR) | 116247-98-4 1-(4-Fluorophenyl)piperidin-4-one|17578|116247-98-4 https://www.jk-sci.com/products/j5317688 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14ec680217f01401325ba304f37cdc89.jpg?v=1791410660 4-(3,4-Dichlorophenoxy)piperidine hydrochloride, Purity ≥ 95% (NMR) | 817186-93-9 4-(3,4-Dichlorophenoxy)piperidine hydrochloride|17688|817186-93-9 https://www.jk-sci.com/products/j5317637 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2cfce224e767a610515d770ab1cc8172.jpg?v=1791410724 2-Bromo-6-fluorobenzaldehyde, Purity by GC ≥ 98% | 360575-28-6 2-Bromo-6-fluorobenzaldehyde|17637|360575-28-6 https://www.jk-sci.com/products/j5317762 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8861e82c18d9a29bc951c4b07433d626.jpg?v=1791410559 4-Amino-6-iodoquinoline | 40107-08-2 4-Amino-6-iodoquinoline|17762|40107-08-2 https://www.jk-sci.com/products/j5317713 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58213b179ee64dff3d8f663f096b800c.jpg?v=1791410618 (4-Phenyl-thiazol-2-yl)methylamine, Purity by HPLC ? 94% | 90916-45-3 (4-Phenyl-thiazol-2-yl)methylamine|17713|90916-45-3 https://www.jk-sci.com/products/j5317803 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701ef1d8c0dc2552dc3fb8d0f15e05ea.jpg?v=1791410495 (Methylpyrazin-2-yl)methyl amine, Purity ≥ 95% (NMR) | 120739-79-9 (Methylpyrazin-2-yl)methyl amine|17803|120739-79-9 https://www.jk-sci.com/products/j5317853 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34042713ac4646f6032271670bb8bca0.jpg?v=1791410446 (S)-1,2,3,4-Tetrahydroisoquinoline-1-carboxylic acid, Purity ≥ 98% | 151004-92-1 (S)-1,2,3,4-Tetrahydroisoquinoline-1-carboxylic acid|17853|151004-92-1 https://www.jk-sci.com/products/s57c4x-131213 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a51b33917612d56c3a87563d716987e.jpg?v=1791380507 Pregabalin Impurity 13, 89.20% | 1136478-30-2 Pregabalin Impurity 13|C4X-131213|1136478-30-2 https://www.jk-sci.com/products/s57c4x-1312108 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a72bef50-d5fa-4f71-95bc-8911b809e82a.png?v=1791380510 Pregabalin impurity 108, 90.50% Pregabalin impurity 108|C4X-1312108 https://www.jk-sci.com/products/s57c4x-13122 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a51484509a95cc690e47aa1a79bbe0e.jpg?v=1791380502 Pregabalin Impurity 2, 97.00% | 75143-89-4 Pregabalin Impurity 2|C4X-13122|75143-89-4 https://www.jk-sci.com/products/j5317943 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a13f1201275611a6b9a21d3b4110fbc0.jpg?v=1791410364 2-(3-Methoxyphenyl)thiazole-4-carboxylic acid ethyl ester, Purity by HPLC ≥ 98% | 115299-08-6 2-(3-Methoxyphenyl)thiazole-4-carboxylic acid ethyl ester|17943|115299-08-6 https://www.jk-sci.com/products/j5317899 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59b1d729acc983cead237d46ff1d80ed.jpg?v=1791410409 1-Boc-4-(4-hydroxyphenyl)piperazine, Purity by HPLC ≥ 98% | 158985-25-2 1-Boc-4-(4-hydroxyphenyl)piperazine|17899|158985-25-2 https://www.jk-sci.com/products/j5317955 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36048f43f91a482849484b18b2958008.jpg?v=1791410350 (2-[(4-Oxopiperidin-1-yl)methyl]phenyl)boronic acid, Purity ≥ 95% (LCMS) | 697739-42-7 (2-[(4-Oxopiperidin-1-yl)methyl]phenyl)boronic acid|17955|697739-42-7 https://www.jk-sci.com/products/j5318017 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d5105b0bb97f73aa174aa605dd761ad.jpg?v=1791410280 3-Amino-cyclohexanol, Purity by HPLC ≥ 97% | 6850-39-1 3-Amino-cyclohexanol|18017|6850-39-1 https://www.jk-sci.com/products/j5317967 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562ed53e9dffa16da15a4f52a93cef8a.jpg?v=1791410337 tert-Butyl 2-amino-3-cyano-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate, Purity ≥ 98% (NMR) | 150986-83-7 tert-Butyl 2-amino-3-cyano-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate|17967|150986-83-7 https://www.jk-sci.com/products/s57c4x-131224 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1cc41044c6775e2609a9296a60ea3b6_a71d3ab2-ebdf-430b-ad2e-a558547e7564.jpg?v=1791380497 Pregabalin EP Impurity A, 99.50% | 181289-23-6 Pregabalin EP Impurity A|C4X-131224|181289-23-6 https://www.jk-sci.com/products/j5317986 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd1614a3418274ffedb0d96969f17d34.jpg?v=1791410314 2H-Pyrazole-3-carbothioic acid amide, Purity by HPLC ≥ 96% | 1314902-85-6 2H-Pyrazole-3-carbothioic acid amide|17986|1314902-85-6 https://www.jk-sci.com/products/j5318051 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67014c28c160e1de7acf117389fbf48c.jpg?v=1791410248 4,5,6,7-Tetrahydro-1H-pyrazolo[4,3-c]pyridine, Purity ≥ 95% | 157327-44-1 4,5,6,7-Tetrahydro-1H-pyrazolo[4,3-c]pyridine|18051|157327-44-1 https://www.jk-sci.com/products/j5318078 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01cd4d42b9d7495290d6fbe2fc78e317.jpg?v=1791410214 N-Boc-4-phenyl-pipecolic acid, Assay ≥ 96% | 261777-31-5 N-Boc-4-phenyl-pipecolic acid|18078|261777-31-5 https://www.jk-sci.com/products/j5318062 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67ffbe1c19700df6f69dfb07565a03d8.jpg?v=1791410233 4-Chloro-6-methoxy-quinazoline, Purity by HPLC ≥ 97% | 50424-28-7 4-Chloro-6-methoxy-quinazoline|18062|50424-28-7 https://www.jk-sci.com/products/j5318104 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335e215a3fde909d258e39edfeeee9ed.jpg?v=1791410190 5-Bromo-Benzofuran-3-one, Purity by HPLC ≥ 99.9% | 54450-20-3 5-Bromo-Benzofuran-3-one|18104|54450-20-3 https://www.jk-sci.com/products/j5316028 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21e3428ba7b36928a31f8d99fc8fca27.jpg?v=1791412434 Boc-(±)-trans-4-(3-cyanophenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 1161787-87-6 Boc-(±)-trans-4-(3-cyanophenyl)pyrrolidine-3-carboxylic acid|16028|1161787-87-6 https://www.jk-sci.com/products/s57c4x-131228 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a922193757e5927e4441668eed108f1b.jpg?v=1791380489 Pregabalin EP Impurity D, 98.90% | 4118-51-8 Pregabalin EP Impurity D|C4X-131228|4118-51-8 https://www.jk-sci.com/products/j5318131 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f39c4883c7bfda564d8c3babf54dc01b.jpg?v=1791410163 6-Chloro-2-methylimidazo[1,2-a]pyridine-3-carboxylic acid ethyl ester, Purity by HPLC ≥ 98% | 330858-13-4 6-Chloro-2-methylimidazo[1,2-a]pyridine-3-carboxylic acid ethyl ester|18131|330858-13-4 https://www.jk-sci.com/products/j5318169 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d476815daadb5a980170ed38c97a2ae.jpg?v=1791410122 DL-Azetidine-2-carboxylic acid methyl ester hydrochloride, Purity by HPLC ≥ 97% | 162698-26-2 DL-Azetidine-2-carboxylic acid methyl ester hydrochloride|18169|162698-26-2 https://www.jk-sci.com/products/j5318187 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c3878abeaf99095fd0b457562319308.jpg?v=1791410101 Dimethyl-(4-pyrrolidin-2-yl-phenyl)amine, Purity ≥ 99% (LCMS) | 298690-88-7 Dimethyl-(4-pyrrolidin-2-yl-phenyl)amine|18187|298690-88-7 https://www.jk-sci.com/products/j5318218 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb7766d149798d730cf8da3f9c4160f5.jpg?v=1791410082 N-Propyl-tetrahydro-2H-pyran-4-amine, Purity by HPLC ≥ 96% | 192811-37-3 N-Propyl-tetrahydro-2H-pyran-4-amine|18218|192811-37-3 https://www.jk-sci.com/products/j5318247 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74b5022607a215b799229443cd9fc052.jpg?v=1791410049 (2-Hydroxyethyl)propyl-carbamic acid tert-butyl ester, Purity by HPLC ≥ 96% | 152192-96-6 (2-Hydroxyethyl)propyl-carbamic acid tert-butyl ester|18247|152192-96-6 https://www.jk-sci.com/products/s57c4x-131234 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fecf3e1bcd319eb15687935a8447249.jpg?v=1791380484 pregabalin Impurity 34, 90.20% | 128013-69-4 pregabalin Impurity 34|C4X-131234|128013-69-4 https://www.jk-sci.com/products/a01150236 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150236.png?v=1790215860 4,4'-Dicarboxydiphenyl sulfone, 98% | 2449-35-6 4,4'-Dicarboxydiphenyl sulfone, 98%|150236|2449-35-6 https://www.jk-sci.com/products/j5318288 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/167ac6dfeb8b3751f4b42c4a0bbff671.jpg?v=1791410026 (4-Benzyl-morpholin-2-ylmethyl)methylamine, Purity by HPLC ≥ 96% | 126645-75-8 (4-Benzyl-morpholin-2-ylmethyl)methylamine|18288|126645-75-8 https://www.jk-sci.com/products/j5318317 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92eb8ee0f7cef173bfb5e93778792bba.jpg?v=1791410009 (7-Methyl-imidazo[1,2-a]pyridin-2-yl)acetic acid Hydrochloride, Purity ≥ 96% (NMR) | 59128-09-5 (7-Methyl-imidazo[1,2-a]pyridin-2-yl)acetic acid Hydrochloride|18317|59128-09-5 https://www.jk-sci.com/products/j5318390 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c00a1c522f227fa365449c007f05d961.jpg?v=1791410000 [2-(4-methoxyphenyl)ethyl]methylamine, Purity by GC ≥ 97% | 4091-50-3 [2-(4-methoxyphenyl)ethyl]methylamine|18390|4091-50-3 https://www.jk-sci.com/products/j5318431 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2b78c55ec397b8c208e984d539a4831.jpg?v=1791409984 1-(4-Methylpyridin-2-yl)ethylamine, Purity by HPLC ≥ 99% | 1187932-01-9 1-(4-Methylpyridin-2-yl)ethylamine|18431|1187932-01-9 https://www.jk-sci.com/products/j5318505 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4163819da0cc0cbe45ef119769b53162.jpg?v=1791409918 1H-Indazole-6-carboxylic acid, Purity by HPLC ≥ 95% | 704-91-6 1H-Indazole-6-carboxylic acid|18505|704-91-6 https://www.jk-sci.com/products/j5318435 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/806ee167397bad2b1e4a171379c08b34.jpg?v=1791409980 1-(5-Methylpyridin-2-yl)ethylamine, Purity ≥ 95% (NMR) | 885277-04-3 1-(5-Methylpyridin-2-yl)ethylamine|18435|885277-04-3 https://www.jk-sci.com/products/j5318528 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570006a6ceb941cc417c7ad3f4628e63.jpg?v=1791409892 1-Methyl-pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 95% | 412281-11-9 1-Methyl-pyrrolidine-3-carboxylic acid|18528|412281-11-9 https://www.jk-sci.com/products/j5318522 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7cc8a883-38d6-4a88-8909-c9cc35dde4fc.png?v=1791409902 1-Methyl-2-phenyl-piperazine, Purity ≥ 95% (NMR) | 5271-28-3 1-Methyl-2-phenyl-piperazine|18522|5271-28-3 https://www.jk-sci.com/products/j5318472 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08c46c69e7857887f67bb23c087d9231.jpg?v=1791409942 1-Boc-4-cyclopentylaminopiperidine, Purity by HPLC ≥ 96% | 812690-40-7 1-Boc-4-cyclopentylaminopiperidine|18472|812690-40-7 https://www.jk-sci.com/products/j5318599 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413423c4b10846b031e8394cac163a02.jpg?v=1791409857 2-(3-Fluorophenyl)thiazole-4-carbaldehyde, Purity by HPLC ≥ 97% | 885279-20-9 2-(3-Fluorophenyl)thiazole-4-carbaldehyde|18599|885279-20-9 https://www.jk-sci.com/products/j5318537 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa5ca0bf2d880b47d2e43d48ee5f93fd.jpg?v=1791409883 2-(2,6-Dichlorophenyl)succinic acid, Assay ≥ 96% | 42474-07-7 2-(2,6-Dichlorophenyl)succinic acid|18537|42474-07-7 https://www.jk-sci.com/products/j5318567 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0343f2b77c25dc487d4acd5b5ce570bf.jpg?v=1791409863 2-(2-Methoxyphenyl)thiazole-4-carboxylic acid ethyl ester, Purity by HPLC ≥ 97% | 115299-16-6 2-(2-Methoxyphenyl)thiazole-4-carboxylic acid ethyl ester|18567|115299-16-6 https://www.jk-sci.com/products/s57c4x-131249 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529162_f61d67c6-94db-4e3b-a892-2f2df7e1aec3.png?v=1791380480 Pregabalin Impurity 49, 98.80% | 3886-69-9 Pregabalin Impurity 49|C4X-131249|3886-69-9 https://www.jk-sci.com/products/j5318628 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e0bae49aa835bd22b78c9b5a9ca4987.jpg?v=1791409842 2-(4-Ethylphenyl)thiazole-4-carbaldehyde, Purity by HPLC ≥ 96% | 885279-27-6 2-(4-Ethylphenyl)thiazole-4-carbaldehyde|18628|885279-27-6 https://www.jk-sci.com/products/j5318670 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86fb3812669af388d339d4888eaaa541.jpg?v=1791409826 1,3-Dioxolane-2,2-diethanol, Purity ≥ 98% (NMR) | 5694-95-1 1,3-Dioxolane-2,2-diethanol|18670|5694-95-1 https://www.jk-sci.com/products/j5318691 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a21b0573c786ea99367c2af8bb5fa32.jpg?v=1791409811 2-Benzylhexahydrocyclopenta[c]pyrrol-4-one, Purity by HPLC ≥ 93% | 185692-51-7 2-Benzylhexahydrocyclopenta[c]pyrrol-4-one|18691|185692-51-7 https://www.jk-sci.com/products/j5318696 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3933417900c474be5df6f326bc4a36ac.jpg?v=1791409805 2-Bromo-3-nitro-benzoic acid ethyl ester, Purity by HPLC ≥ 96% | 31706-23-7 2-Bromo-3-nitro-benzoic acid ethyl ester|18696|31706-23-7 https://www.jk-sci.com/products/a01151359 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254732.png?v=1790086813 Pyridine-4-boronic acid, 98% | 1692-15-5 Pyridine-4-boronic acid, 98%|151359|1692-15-5 https://www.jk-sci.com/products/a011514824 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b33bc1362a605f3ecb21a4a6619c7bf.jpg?v=1788930804 6-Bromo-7-fluoroquinoline, 98% | 127827-52-5 6-Bromo-7-fluoroquinoline, 98%|1514824|127827-52-5 https://www.jk-sci.com/products/j5317741 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0286ac5856e26485d0f65f86c922b3cc.jpg?v=1791410584 5-Fluoro-1H-indazole-3-carboxylic acid, Purity by HPLC ≥ 99% | 1077-96-9 5-Fluoro-1H-indazole-3-carboxylic acid|17741|1077-96-9 https://www.jk-sci.com/products/j5318713 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61819fdffd661406ae0b7b974a28f4b3.jpg?v=1791409797 2-Chloro-pyrimidine-5-carboxylic acid, Purity by HPLC ≥ 95% | 374068-01-6 2-Chloro-pyrimidine-5-carboxylic acid|18713|374068-01-6 https://www.jk-sci.com/products/j5305054 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a35ce744990e0b2c756b5f95c30ae307.jpg?v=1791417863 Fmoc-piperazine hydrochloride, Purity ≥ 99% | 215190-22-0 Fmoc-piperazine hydrochloride|05054|215190-22-0 https://www.jk-sci.com/products/a01152301 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de2f16c4147b7c21bafb78cfafad5cda.jpg?v=1790215789 o-Tolylacetic acid, 99% | 644-36-0 o-Tolylacetic acid, 99%|152301|644-36-0 https://www.jk-sci.com/products/a011525219 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c390c0b85e0e58b63f61090e483f2e8.jpg?v=1790215780 Dacomitinib, 98%, a potent irreversible ErbB inbibitor | 1110813-31-4 Dacomitinib, 98%, a potent irreversible ErbB inbibitor|1525219|1110813-31-4 https://www.jk-sci.com/products/j5317344 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46652a4cf7bc7b4c087c3b4e42f00da1.jpg?v=1791411071 1-Benzyl-1H-imidazole-5-carboxaldehyde, Purity by HPLC ≥ 98% | 85102-99-4 1-Benzyl-1H-imidazole-5-carboxaldehyde|17344|85102-99-4 https://www.jk-sci.com/products/j5318733 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1544b36b593337d1d2cdb3bd18f58a3.jpg?v=1791409776 2-Methoxy-benzamidine hydrochloride, Purity ≥ 96% (NMR) | 51818-19-0 2-Methoxy-benzamidine hydrochloride|18733|51818-19-0 https://www.jk-sci.com/products/j5316407 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb092beb1bcfec20a92263a8f5029177.jpg?v=1791412128 N-Methyl-D-phenylglycine, Assay by titration ≥ 98% (HClO4) | 30925-14-5 N-Methyl-D-phenylglycine|16407|30925-14-5 https://www.jk-sci.com/products/j5317677 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a6dc49bd3b7047daae305af6650c9b8.jpg?v=1791410680 tert-Butyl 3-bromomethyl-indole-1-carboxylate, Purity ≥ 95% (NMR) | 96551-21-2 tert-Butyl 3-bromomethyl-indole-1-carboxylate|17677|96551-21-2 https://www.jk-sci.com/products/j5317533 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0afa058f00726c1bba5793c80c8507ad.jpg?v=1791410826 4-Phenylpyrrolidine-3-methylcarboxylate, Purity by GC ≥ 95% | 156469-70-4 4-Phenylpyrrolidine-3-methylcarboxylate|17533|156469-70-4 https://www.jk-sci.com/products/s57c4x-131262 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d86c603b-1d3e-4776-8d18-a07f603aef20.png?v=1791380468 Pregabalin Impurity 62, Purity: 99.0% Pregabalin Impurity 62|C4X-131262 https://www.jk-sci.com/products/j5317813 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfacedd4ff671df925f0169cdcb7e969.jpg?v=1791410484 Quinolinimide, Purity by GC ≥ 99% | 4664-00-0 Quinolinimide|17813|4664-00-0 https://www.jk-sci.com/products/j5317925 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/087a91cff1efe30c550c51015fc27eca.jpg?v=1791410381 1-Methyl-3-phenyl-1H-pyrazole-4-carbaldehyde, Purity ≥ 95% (NMR) | 304477-40-5 1-Methyl-3-phenyl-1H-pyrazole-4-carbaldehyde|17925|304477-40-5 https://www.jk-sci.com/products/a01152818 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/152818.png?v=1788930709 tert-Butyl (10-aminodecyl)carbamate, 97% | 216961-61-4 tert-Butyl (10-aminodecyl)carbamate, 97%|152818|216961-61-4 https://www.jk-sci.com/products/j5317960 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a559281398775f977ba72a5769c3beba.jpg?v=1791410345 2,2-Dimethyl-piperazine, Purity by GC ≥ 97% | 84477-72-5 2,2-Dimethyl-piperazine|17960|84477-72-5 https://www.jk-sci.com/products/j5317998 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dee102de871d390297d7e6e2daabb1e0.jpg?v=1791410303 2-Piperidin-1-ylmethyl-aniline, Purity ≥ 95% | 19577-83-4 2-Piperidin-1-ylmethyl-aniline|17998|19577-83-4 https://www.jk-sci.com/products/j5318055 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6a04b7d796e8d10ebd2501e5bb23cc2.jpg?v=1791410242 4-Aminomethylphenylacetic acid hydrochloride, Purity by HPLC ≥ 97% | 42383-05-1 4-Aminomethylphenylacetic acid hydrochloride|18055|42383-05-1 https://www.jk-sci.com/products/j5318193 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126f92738b4cb164a3d419ae78d9939a.jpg?v=1791410096 Imidazo[1,2-a]pyridin-3-ylmethyl-methylamine, Purity ≥ 95% (NMR) | 885275-83-2 Imidazo[1,2-a]pyridin-3-ylmethyl-methylamine|18193|885275-83-2 https://www.jk-sci.com/products/j5318093 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40a527b40310e2179bdb4d0c8704122d.jpg?v=1791410202 5-(4-Methoxyphenyl)-2H-tetrazole, Purity by HPLC ≥ 98% | 6926-51-8 5-(4-Methoxyphenyl)-2H-tetrazole|18093|6926-51-8 https://www.jk-sci.com/products/j5318160 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e63a366200e83264d2b7c1a7e1c192d.jpg?v=1791410135 7-Nitro-2H-1,4-benzoxazin-3(4H)-one, Purity by HPLC ≥ 99% | 81721-86-0 7-Nitro-2H-1,4-benzoxazin-3(4H)-one|18160|81721-86-0 https://www.jk-sci.com/products/s57c4x-131276 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/486876.png?v=1791380462 Pregabalin Impurity 76, 100.00% | 181289-15-6 Pregabalin Impurity 76|C4X-131276|181289-15-6 https://www.jk-sci.com/products/j5318260 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e54a921fcc477a075d68f4a516d0c64.jpg?v=1791410044 (3,5-Dichlorophenyl)ethylamine, Purity by HPLC ≥ 96% | 42266-02-4 (3,5-Dichlorophenyl)ethylamine|18260|42266-02-4 https://www.jk-sci.com/products/j5318383 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e26ccb406377cc1e8485849663d41fed.jpg?v=1791410004 [2-(4-Chlorophenyl)ethyl]methylamine, Purity by GC ≥ 97% | 38171-31-2 [2-(4-Chlorophenyl)ethyl]methylamine|18383|38171-31-2 https://www.jk-sci.com/products/j5318434 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3009f928c7dc37d573d9d3aacc176a61.jpg?v=1791409981 1-(4-(Trifluoromethoxy)phenyl)piperazin-2-one hydrochloride, Assay ≥ 96% | 267659-71-2 1-(4-(Trifluoromethoxy)phenyl)piperazin-2-one hydrochloride|18434|267659-71-2 https://www.jk-sci.com/products/j5318502 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1946023991f7c606ec05229dd3346586.jpg?v=1791409919 1H-Indazole-4-carbaldehyde, Purity by HPLC ≥ 96% | 669050-70-8 1H-Indazole-4-carbaldehyde|18502|669050-70-8 https://www.jk-sci.com/products/j5318525 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb3f0e5392b78e1717836ec2a0167048.jpg?v=1791409898 1-Methyl-piperidine-3-carboxylic acid methyl ester, Purity by GC ≥ 98% | 1690-72-8 1-Methyl-piperidine-3-carboxylic acid methyl ester|18525|1690-72-8 https://www.jk-sci.com/products/j5318546 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3651384901fd69db13b87289c4c7adf.jpg?v=1791409873 2-(2-Bromophenyl)succinic acid, Purity by HPLC ≥ 96% | 20608-82-6 2-(2-Bromophenyl)succinic acid|18546|20608-82-6 https://www.jk-sci.com/products/j5318682 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7993ddaaadd7be4669cdee18e45b21b8.jpg?v=1791409821 2-Amino-N-cyclohexylacetamide hydrochloride, Purity ≥ 99% | 14432-21-4 2-Amino-N-cyclohexylacetamide hydrochloride|18682|14432-21-4 https://www.jk-sci.com/products/j5318627 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518636_2eb62939-8a9c-4286-881a-5500e8d8970e.png?v=1791409842 2-(4-Chlorophenyl)succinic acid, Purity by HPLC ≥ 96% | 58755-91-2 2-(4-Chlorophenyl)succinic acid|18627|58755-91-2 https://www.jk-sci.com/products/j5318756 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4baeeaeefa43c0480e5cf426dd4cf29a.jpg?v=1791409762 2-Nitro-benzoic acid tert-butyl ester, Purity by HPLC ≥ 97% | 55666-41-6 2-Nitro-benzoic acid tert-butyl ester|18756|55666-41-6 https://www.jk-sci.com/products/j5318709 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05d1f44bbf74fd817a1fb3d7a4fae853.jpg?v=1791409800 2-Chloromethyl-oxazole, Assay ≥ 98% | 185246-17-7 2-Chloromethyl-oxazole|18709|185246-17-7 https://www.jk-sci.com/products/j5318771 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d1039be0ab78ac8fd4106a44ebdcd08.jpg?v=1791409757 2-Phenyl-5-trifluoromethyl-2H-pyrazol-3-ylamine, Assay ≥ 96% | 182923-55-3 2-Phenyl-5-trifluoromethyl-2H-pyrazol-3-ylamine|18771|182923-55-3 https://www.jk-sci.com/products/j5318787 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55c0da7c2966326574bb25b64847484a.jpg?v=1791409752 2-p-Tolyloxymethyl-oxirane, Purity by HPLC ≥ 99% | 2186-24-5 2-p-Tolyloxymethyl-oxirane|18787|2186-24-5 https://www.jk-sci.com/products/a011528355 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ee19b39-059e-445a-93e3-1d209a601816.png?v=1788930702 Chitotetraose tetrahydrochloride hydrate, 98% | 117399-50-5 Chitotetraose tetrahydrochloride hydrate, 98%|1528355|117399-50-5 https://www.jk-sci.com/products/j5318801 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b11fe0ea9b464e2139a78f9af922ff34.jpg?v=1791409735 2-Thiazol-2-yl-ethylamine dihydrochloride, Purity ≥ 95% | 56933-57-4 2-Thiazol-2-yl-ethylamine dihydrochloride|18801|56933-57-4 https://www.jk-sci.com/products/j5318858 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ff8929d479be790f8d2de3d0f230b1e.jpg?v=1791409708 3-Phenyl-3-hydroxypropylamine, Purity ≥ 95% | 5053-63-4 3-Phenyl-3-hydroxypropylamine|18858|5053-63-4 https://www.jk-sci.com/products/s57c4x-131286 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9416f83e-89bc-4b9b-8369-9e96d6e36a66.png?v=1791380457 Pregabalin Impurity 86, 98.20% Pregabalin Impurity 86|C4X-131286 https://www.jk-sci.com/products/j5318807 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13fc4ebfae8216ffd562eaaed37c5270.jpg?v=1791409732 3-(2-Chlorophenyl)isoxazole-5-carbaldehyde, Purity by HPLC ≥ 97% | 377051-52-0 3-(2-Chlorophenyl)isoxazole-5-carbaldehyde|18807|377051-52-0 https://www.jk-sci.com/products/j5318821 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118a6bbca2269d73361ff5c8adabebef.jpg?v=1791409724 3-(3-Methoxyphenyl)isoxazole-5-carbaldehyde, Purity by HPLC ≥ 97% | 251912-68-2 3-(3-Methoxyphenyl)isoxazole-5-carbaldehyde|18821|251912-68-2 https://www.jk-sci.com/products/j5318842 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566a12745b8437dc0c8076f2d52b338c.jpg?v=1791409717 3-(Boc-aminomethyl)pyridine-4-boronic acid, Purity by HPLC ≥ 97% | 433969-29-0 3-(Boc-aminomethyl)pyridine-4-boronic acid|18842|433969-29-0 https://www.jk-sci.com/products/j5318867 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484a7f0d2bef4ea7cadfa6f42e51c630.jpg?v=1791409700 3-Aminomethyl-morpholine-4-carboxylic acid tert-butyl ester, Purity ≥ 95% | 475106-18-4 3-Aminomethyl-morpholine-4-carboxylic acid tert-butyl ester|18867|475106-18-4 https://www.jk-sci.com/products/j5318885 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8932c80d95f4088dec948c70aabb0df6.jpg?v=1791409680 3-Bromo-pyrazolo[1,5-a]pyridine, Purity by HPLC ≥ 98% | 5910-12-3 3-Bromo-pyrazolo[1,5-a]pyridine|18885|5910-12-3 https://www.jk-sci.com/products/j5318892 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01f0938fa7ad845fefed728e0d805608.jpg?v=1791409670 3-Chloro-6-methyl-1H-indazole, Assay ≥ 96% | 885271-60-3 3-Chloro-6-methyl-1H-indazole|18892|885271-60-3 https://www.jk-sci.com/products/j5318936 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2850f94d028b351935883ef9ca17e9a7.jpg?v=1791409638 3-Phenyl-pyridin-2-ylamine | 87109-10-2 3-Phenyl-pyridin-2-ylamine|18936|87109-10-2 https://www.jk-sci.com/products/j5318901 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ffc1b8480c76cdc685e2cedb82046ff.jpg?v=1791409661 3-Fluorobenzamidine hydrochloride, Purity by HPLC ≥ 97% | 69491-64-1 3-Fluorobenzamidine hydrochloride|18901|69491-64-1 https://www.jk-sci.com/products/j5318918 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c2990b22c6f877bac6f4847b205a014.jpg?v=1791409656 3-Methoxy-5-nitro-pyridin-2-ol, Purity by HPLC ≥ 98% | 75710-99-5 3-Methoxy-5-nitro-pyridin-2-ol|18918|75710-99-5 https://www.jk-sci.com/products/j5318964 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cbd443237880587eca82210893df152.jpg?v=1791409628 4-(tert-Butyl-dimethyl-silanyloxy)-but-2-ynoic acid, Purity by HPLC ≥ 96% | 102245-65-8 4-(tert-Butyl-dimethyl-silanyloxy)-but-2-ynoic acid|18964|102245-65-8 https://www.jk-sci.com/products/j5318968 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b6a397532d3da9209d7c89db95dfac4.jpg?v=1791409624 4-Amino-3-bromo-5-iodo-benzoic acid ethyl ester, Purity ≥ 95% | 437707-51-2 4-Amino-3-bromo-5-iodo-benzoic acid ethyl ester|18968|437707-51-2 https://www.jk-sci.com/products/s57c4x-13129 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d9b770f25a7906b9cfc3ec00be464b3.jpg?v=1791380452 Pregabalin Impurity PD0310806, Purity: 99.4% | 501666-22-4 Pregabalin Impurity PD0310806|C4X-13129|501666-22-4 https://www.jk-sci.com/products/s57c4x-131291 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a27dd057fe417b2dd0a18e33a584d6da.jpg?v=1791380448 Pregabalin impurity 91, Purity: 96.8% | 159029-27-3 Pregabalin impurity 91|C4X-131291|159029-27-3 https://www.jk-sci.com/products/j5318975 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9728ae3351d44c92a72b85654ca86a17.jpg?v=1791409614 4-(Benzylamino)cyclohexanone, Purity ≥ 95% | 142009-99-2 4-(Benzylamino)cyclohexanone|18975|142009-99-2 https://www.jk-sci.com/products/j5318981 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b341a5b352779efe16824fd166de8ad4.jpg?v=1791409610 4-(Bromomethyl)naphthalene-1-carbonitrile, Purity by HPLC ≥ 96% | 41014-20-4 4-(Bromomethyl)naphthalene-1-carbonitrile|18981|41014-20-4 https://www.jk-sci.com/products/j5319000 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c584014bc882497b69a2f69b16c02bf.jpg?v=1791409588 4-(N-Fmoc-aminomethyl)aniline, Purity ≥ 95% | 159790-81-5 4-(N-Fmoc-aminomethyl)aniline|19000|159790-81-5 https://www.jk-sci.com/products/j5318995 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13297730c6a5384dd8441accac9d9c0c.jpg?v=1791409594 4-Amino-N,N-dimethylbenzylamine, Purity ≥ 98% | 6406-74-2 4-Amino-N,N-dimethylbenzylamine|18995|6406-74-2 https://www.jk-sci.com/products/j5319011 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4826821fea92c2f9497817d09fa68393.jpg?v=1791409578 4-Methoxy-2-(pyridin-3-yl)butanoic acid, Purity by HPLC ≥ 97% | 885277-06-5 4-Methoxy-2-(pyridin-3-yl)butanoic acid|19011|885277-06-5 https://www.jk-sci.com/products/j5319016 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bedc7b7dee1fd7d3600b69f7bb7b3d2.jpg?v=1791409573 4-Methyl-pyridine-2-sulfonyl chloride hydrochloride, Assay ≥ 97% | 341008-95-5 4-Methyl-pyridine-2-sulfonyl chloride hydrochloride|19016|341008-95-5 https://www.jk-sci.com/products/j5319023 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea1f31f6e67f11603ca17155466bc5d7.jpg?v=1791409569 4-Oxo-piperidine-3-carboxylic acid ethyl ester hydrochloride, Assay ≥ 98% | 4644-61-5 4-Oxo-piperidine-3-carboxylic acid ethyl ester hydrochloride|19023|4644-61-5 https://www.jk-sci.com/products/j5319117 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2387cc6cd36b5c2fde8e91982a92621.jpg?v=1791409481 5-Fluoro-2-piperidin-3-yl-1H-benzoimidazole hydrochloride, Purity ≥ 95% (NMR) | 885275-03-6 5-Fluoro-2-piperidin-3-yl-1H-benzoimidazole hydrochloride|19117|885275-03-6 https://www.jk-sci.com/products/j5319088 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a46e97f78eaf09e58136d58ed279231.jpg?v=1791409524 5-Bromo-1H-indole-3-carboxylic acid methyl ester, Purity by HPLC ≥ 97% | 773873-77-1 5-Bromo-1H-indole-3-carboxylic acid methyl ester|19088|773873-77-1 https://www.jk-sci.com/products/j5319039 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7d1bbebd434003b0727c6531af26c44.jpg?v=1791409555 5-(3-Fluorophenyl)-2H-tetrazole, Purity by HPLC ≥ 98% | 50907-20-5 5-(3-Fluorophenyl)-2H-tetrazole|19039|50907-20-5 https://www.jk-sci.com/products/j5319097 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc580e5c1e349f4e53ba1a1e456b5dfb.jpg?v=1791409514 5-Bromo-8-nitroisoquinoline, Purity ≥ 95% (NMR) | 63927-23-1 5-Bromo-8-nitroisoquinoline|19097|63927-23-1 https://www.jk-sci.com/products/s57c4x-13227 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3f647c802dc72346adf4ed51f7a1c8f.jpg?v=1791380392 Propafenone EP Impurity G, 93.30% | 1346603-80-2 Propafenone EP Impurity G|C4X-13227|1346603-80-2 https://www.jk-sci.com/products/s57c4x-132010 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0d61b0c504408dc46d07b896a2cf341.jpg?v=1791380413 Nateglinide EP Impurity C, 91.80% | 105816-06-6 Nateglinide EP Impurity C|C4X-132010|105816-06-6 https://www.jk-sci.com/products/s57c4x-131615 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89b42488ca96949ade76e9c948d41b6e.jpg?v=1791380437 Allylphosphonic Acid disodium salt, 95.80% | 28994-95-8 Allylphosphonic Acid disodium salt|C4X-131615|28994-95-8 https://www.jk-sci.com/products/s57c4x-13168 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f4aac74-0acb-4e81-8495-988f4fbd7ea2.png?v=1791380426 Fosfomycin Impurity 8, 98.70% Fosfomycin Impurity 8|C4X-13168 https://www.jk-sci.com/products/s57c4x-131299 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b6805c4176512c421be2ed41e2d499e.jpg?v=1791380442 Pregabalin impurity 99, 99.60% | 1511511-44-6 Pregabalin impurity 99|C4X-131299|1511511-44-6 https://www.jk-sci.com/products/s57c4x-132412 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/574711_346e98a2-638d-4b21-ba6f-781759599a12.png?v=1791380390 Mesalazine EP Impurity L, 99.20% | 118-91-2 Mesalazine EP Impurity L|C4X-132412|118-91-2 https://www.jk-sci.com/products/s57c4x-132220 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7fbc6582-774b-4311-9481-54352b3fe85e.png?v=1791380401 N-Nitroso Propafenone, 99.70% N-Nitroso Propafenone|C4X-132220 https://www.jk-sci.com/products/j5319070 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12292d7c1b862a9948c306e1150d41b3.jpg?v=1791409541 5-Amino-2-(phenylthio)benzoic acid, Purity by HPLC ≥ 96% | 63185-86-4 5-Amino-2-(phenylthio)benzoic acid|19070|63185-86-4 https://www.jk-sci.com/products/s57c4x-13161 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3607ab3aa8bab29c8e4a8c550f7e346c.jpg?v=1791380442 Fosfomycin Trometamol EP Impurity A, 90.40% | 84954-80-3 Fosfomycin Trometamol EP Impurity A|C4X-13161|84954-80-3 https://www.jk-sci.com/products/s57c4x-132417 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576322_7ed063aa-1dd4-41c6-95a8-0962711f4212.png?v=1791380379 Mesalazine EP Impurity Q, 99.60% | 3970-35-2 Mesalazine EP Impurity Q|C4X-132417|3970-35-2 https://www.jk-sci.com/products/s57c4x-13221 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d651ec6c128676ec222ca31fd3e64ea.jpg?v=1791380407 Propafenone EP Impurity A, 97.60% | 3516-95-8 Propafenone EP Impurity A|C4X-13221|3516-95-8 https://www.jk-sci.com/products/j5319108 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd50ecbaaac2edccbead2397db89a782.jpg?v=1791409500 5-Chloromethyl-2H-tetrazole, Purity ≥ 95% (NMR) | 55408-11-2 5-Chloromethyl-2H-tetrazole|19108|55408-11-2 https://www.jk-sci.com/products/j5319026 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0129e920b03022ac221d4c692df4f565.jpg?v=1791409561 4-Phenyl-thiazole-2-carboxylic acid ethyl ester, Purity by HPLC ≥ 95% | 79247-92-0 4-Phenyl-thiazole-2-carboxylic acid ethyl ester|19026|79247-92-0 https://www.jk-sci.com/products/j5319074 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/901e26bcf9b50f885af157102f1226a3.jpg?v=1791409536 5-(Aminomethyl)pyrrolidin-2-one hydrochloride, Purity ≥ 95% (NMR) | 115307-13-6 5-(Aminomethyl)pyrrolidin-2-one hydrochloride|19074|115307-13-6 https://www.jk-sci.com/products/s57c4x-132414 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143276.png?v=1791380390 Mesalazine EP Impurity N, 98.80% | 96-97-9 Mesalazine EP Impurity N|C4X-132414|96-97-9 https://www.jk-sci.com/products/s57c4x-131653 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_559d6e7e-ea43-4b5c-9354-fca3e9b5a14e.png?v=1791380426 Fosfomycin Impurity 53, 99.70% Fosfomycin Impurity 53|C4X-131653 https://www.jk-sci.com/products/s57c4x-13225 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b71274b33dfe8413b227aab6e85a0878.jpg?v=1791380397 Propafenone EP Impurity E, 97.70% | 165279-79-8 Propafenone EP Impurity E|C4X-13225|165279-79-8 https://www.jk-sci.com/products/s57c4x-13213 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edd64b3bb8b3f759f0753884fb75c0ef.jpg?v=1791380413 Triclabendazole Impurity 3, Purity: 100.0% | 145770-88-3 Triclabendazole Impurity 3|C4X-13213|145770-88-3 https://www.jk-sci.com/products/s57c4x-131635 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc50ac851bad5ef6f8bef6c82bb9182e_07884fbf-94b0-4fcc-9a24-0233575a164d.jpg?v=1791380432 Trometamol HCl, Purity: 100.0% | 1185-53-1 Trometamol HCl|C4X-131635|1185-53-1 https://www.jk-sci.com/products/s57c4x-132424 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0015b94baaae80e90e41da133132c500.jpg?v=1791380378 Mesalazine Impurity 24, 90.40% | 859964-08-2 Mesalazine Impurity 24|C4X-132424|859964-08-2 https://www.jk-sci.com/products/j5319133 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51a6e4a467173c7cbc699e948c2cb28f.jpg?v=1791409453 5-Methyl-4-pyridin-4-yl-thiazol-2-ylamine, Purity ≥ 99% | 206555-50-2 5-Methyl-4-pyridin-4-yl-thiazol-2-ylamine|19133|206555-50-2 https://www.jk-sci.com/products/s57c4x-1325 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9146006b07778fa22a03c770b1c3b68c_5e9930f8-08eb-4966-91db-bb4cc9fbbe9a.jpg?v=1791380363 Aclidinium Bromide, 98.00% | 320345-99-1 Aclidinium Bromide|C4X-1325|320345-99-1 https://www.jk-sci.com/products/s57c4x-132436 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f8ad81f4f67d9703f114443a1ffd130.jpg?v=1791380368 Mesalazine EP Impurity I, 88.50% | 3147-53-3 Mesalazine EP Impurity I|C4X-132436|3147-53-3 https://www.jk-sci.com/products/s57c4x-13246 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241903.png?v=1791380368 Mesalazine EP Impurity F, 90.30% | 570-23-0 Mesalazine EP Impurity F|C4X-13246|570-23-0 https://www.jk-sci.com/products/j5319126 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da71610369d90d52f51488b230d9879e.jpg?v=1791409459 5-Methyl-[1,3,4]oxadiazole-2-carboxylic acid, potassium salt, Purity ≥ 95% (NMR) | 888504-28-7 5-Methyl-[1,3,4]oxadiazole-2-carboxylic acid, potassium salt|19126|888504-28-7 https://www.jk-sci.com/products/s57c4x-132434 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446061.png?v=1791380374 Mesalazine EP Impurity D, 97.60% | 99-05-8 Mesalazine EP Impurity D|C4X-132434|99-05-8 https://www.jk-sci.com/products/j5317458 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380a314af2117840bf29d848eebd799c.jpg?v=1791410921 Ethyl 3,5-diaminobenzoate, Purity ≥ 95% (NMR) | 1949-51-5 Ethyl 3,5-diaminobenzoate|17458|1949-51-5 https://www.jk-sci.com/products/j5319158 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39015b097cc362ecc0cd4fc49cc5614a.jpg?v=1791409431 5-(Trifluoromethyl)benzo[b]thiophene-2-carboxylic acid methyl ester, Purity ≥ 96% | 146137-92-0 5-(Trifluoromethyl)benzo[b]thiophene-2-carboxylic acid methyl ester|19158|146137-92-0 https://www.jk-sci.com/products/j5317981 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbc575a939ef63bf885fea2a18b28ac3.jpg?v=1791410322 2-Ethoxycarbonyl-ethyl-phthalimide, Purity ≥ 95% (NMR) | 4561-06-2 2-Ethoxycarbonyl-ethyl-phthalimide|17981|4561-06-2 https://www.jk-sci.com/products/j5317705 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fd8710d9264f358bc144499b4669ab9.jpg?v=1791410631 4-Chloro-6-nitroquinazoline, Purity by HPLC ≥ 97% | 19815-16-8 4-Chloro-6-nitroquinazoline|17705|19815-16-8 https://www.jk-sci.com/products/j5317890 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15d788af7e599b9dc447906a8cefc41.jpg?v=1791410419 1-Acetyl-1H-benzotriazole, Assay ≥ 95% | 18773-93-8 1-Acetyl-1H-benzotriazole|17890|18773-93-8 https://www.jk-sci.com/products/j5318075 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ead20273c51f433234b6c835d26ca57.jpg?v=1791410218 4-Nitro-pyridin-2-ylamine, Purity by HPLC ≥ 99% | 4487-50-7 4-Nitro-pyridin-2-ylamine|18075|4487-50-7 https://www.jk-sci.com/products/j5318181 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f53fa7910bc5af7a84022e811c58236.jpg?v=1791410112 Isoxazol-3-yl-methylamine hydrochloride, Purity ≥ 95% (NMR) | 131052-58-9 Isoxazol-3-yl-methylamine hydrochloride|18181|131052-58-9 https://www.jk-sci.com/products/s57c4x-13263 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4041beb942681761ba49eec040467997.jpg?v=1791380353 Triamcinolone Acetonide Related Compound C, 96.30% | 161740-69-8 Triamcinolone Acetonide Related Compound C|C4X-13263|161740-69-8 https://www.jk-sci.com/products/j5318290 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93451a949b5d2a99eb099049659d396b.jpg?v=1791410026 (4-Bromobutyl)cyclohexane, Purity ≥ 95% | 60439-16-9 (4-Bromobutyl)cyclohexane|18290|60439-16-9 https://www.jk-sci.com/products/s57c4x-132646 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5425808b-2a36-453d-a5e6-3c8f85a26923.png?v=1791380342 Triamcinolone Acetonide Impurity 46, Purity: 97.7% Triamcinolone Acetonide Impurity 46|C4X-132646 https://www.jk-sci.com/products/s57c4x-13261 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a12a3d2a78d4c73d17ca6f3f3c6caec.jpg?v=1791380358 Triamcinolone Acetonide EP Impurity B, 99.20% | 1260149-96-9 Triamcinolone Acetonide EP Impurity B|C4X-13261|1260149-96-9 https://www.jk-sci.com/products/j5318452 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3004cb29713d96c1e26461e858190dc.jpg?v=1791409964 1,8-Diaza-spiro[4·5]decane-1-carboxylic acid tert-butyl ester hydrochloride, Purity by GC ≥ 98% | 1153767-91-9 1,8-Diaza-spiro[4·5]decane-1-carboxylic acid tert-butyl ester hydrochloride|18452|1153767-91-9 https://www.jk-sci.com/products/s57c4x-13264 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/846b41560d0a6906f39c723dbeef9d9a.jpg?v=1791380352 Triamcinolone Acetonide EP Impurity D, 95.10% | 10392-74-2 Triamcinolone Acetonide EP Impurity D|C4X-13264|10392-74-2 https://www.jk-sci.com/products/j5318534 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9383a95584b6e5614f3ec9bbfa9102b7.jpg?v=1791409888 1-Thiazol-4-yl-ethylamine dihydrochloride, Purity ≥ 95% (NMR) | 1189878-73-6 1-Thiazol-4-yl-ethylamine dihydrochloride|18534|1189878-73-6 https://www.jk-sci.com/products/j5318757 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c35b24efe253cd9f50dcebf9d002aa4.jpg?v=1791409761 2-Nitrophenethylamine, Purity ≥ 97% (NMR) | 33100-15-1 2-Nitrophenethylamine|18757|33100-15-1 https://www.jk-sci.com/products/j5318636 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97f4d9153e256a5458832a4f69e15891.jpg?v=1791409841 2-(4-Methoxyphenyl)succinic acid, Purity by HPLC ≥ 98% | 6331-59-5 2-(4-Methoxyphenyl)succinic acid|18636|6331-59-5 https://www.jk-sci.com/products/j5318724 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95fc31c2ce1ebb34f2392980d80c7c7f.jpg?v=1791409781 2-Fluoro-5-nitro-benzoic acid tert-butyl ester, Purity by HPLC ≥ 96% | 526218-22-4 2-Fluoro-5-nitro-benzoic acid tert-butyl ester|18724|526218-22-4 https://www.jk-sci.com/products/j5318791 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c46b45c1b3a0e824eea89d0cbd4d0cff.jpg?v=1791409748 2-Pyridin-4-yl-phenylamine, Purity ≥ 95% | 106047-18-1 2-Pyridin-4-yl-phenylamine|18791|106047-18-1 https://www.jk-sci.com/products/a011528556 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_90acdb9b-ca19-4a25-b25a-5e41735cd241.png?v=1788930698 PTB7 | 1266549-31-8 PTB7|1528556|1266549-31-8 https://www.jk-sci.com/products/j5318810 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edaa01b4f4a32536c4396948a8208f89.jpg?v=1791409730 3-(2-Hydroxy-4-methoxyphenyl)-3-oxo-propionic acid methyl ester, Assay ≥ 95% | 132017-98-2 3-(2-Hydroxy-4-methoxyphenyl)-3-oxo-propionic acid methyl ester|18810|132017-98-2 https://www.jk-sci.com/products/j5318843 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33cfa8e24718d39f43a298849fde2ab5.jpg?v=1791409716 3-(2'-N-Boc-hydrazino)benzoic acid, Purity by HPLC ≥ 96% | 156899-02-4 3-(2'-N-Boc-hydrazino)benzoic acid|18843|156899-02-4 https://www.jk-sci.com/products/j5318869 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bcbc110cd1a3b097332da064cf5d1b5.jpg?v=1791409698 1-N-Fmoc-3-aminopyrrolidine hydrochloride, Purity by HPLC ≥ 97% | 811841-92-6 1-N-Fmoc-3-aminopyrrolidine hydrochloride|18869|811841-92-6 https://www.jk-sci.com/products/s57c4x-13267 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1188072.png?v=1791380331 Triamcinolone Acetonide EP Impurity F, 99.40% | 3870-07-3 Triamcinolone Acetonide EP Impurity F|C4X-13267|3870-07-3 https://www.jk-sci.com/products/j5318900 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1217905f100889d2e3d6fbbf99b3e479.jpg?v=1791409665 3-Ethynyl-benzoic acid, Purity ≥ 98% | 10601-99-7 3-Ethynyl-benzoic acid|18900|10601-99-7 https://www.jk-sci.com/products/j5318927 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21d978aa2a7143e64beb4203ed68c57f.jpg?v=1791409646 3-Oxo-3-pyridin-4-yl-propionitrile, Assay ≥ 97% | 23821-37-6 3-Oxo-3-pyridin-4-yl-propionitrile|18927|23821-37-6 https://www.jk-sci.com/products/j5318966 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2383cdc54981ed0da31bc857f19d022.jpg?v=1791409624 4-[N,N-Bis(2-hydroxyethyl)amino]benzaldehyde, Purity by HPLC ≥ 98% | 27913-86-6 4-[N,N-Bis(2-hydroxyethyl)amino]benzaldehyde|18966|27913-86-6 https://www.jk-sci.com/products/j5318978 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f24b2f617819b5fffa255ecf71cd11bd.jpg?v=1791409609 (3-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester, Purity by HPLC ≥ 95% | 257937-08-9 (3-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester|18978|257937-08-9 https://www.jk-sci.com/products/s57c4x-132714 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d75d52f715d84a6a3ca8dfc838463f1.jpg?v=1791380326 Econazole EP Impurity B, 86.20% | 2334059-11-7 Econazole EP Impurity B|C4X-132714|2334059-11-7 https://www.jk-sci.com/products/j5318999 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df9aca3abd67bd1d1a534a1b585ba321.jpg?v=1791409588 2-(4-N-Fmoc-morpholin-2-yl)acetic acid, Purity by HPLC ≥ 95% | 885273-97-2 2-(4-N-Fmoc-morpholin-2-yl)acetic acid|18999|885273-97-2 https://www.jk-sci.com/products/s57c4x-11972 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a38a90c-59bc-4e3a-87e2-84ed46a81b0a.png?v=1791381964 Sodium Fusidate EP Impurity B, 90.10% Sodium Fusidate EP Impurity B|C4X-11972 https://www.jk-sci.com/products/s57c4x-12083 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90f3a59fa8e1ff08b666d4d08d442598.jpg?v=1791381755 Posaconazole Impurity 3, 97.80% | 2243786-02-7 Posaconazole Impurity 3|C4X-12083|2243786-02-7 https://www.jk-sci.com/products/s57c4x-12133 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6922e08e94d8f5304fc13fe8ceab6b44.jpg?v=1791381621 Roxatidine Impurity 3, 76.30% | 195621-06-8 Roxatidine Impurity 3|C4X-12133|195621-06-8 https://www.jk-sci.com/products/s57c4x-123057 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617030_21c8e399-0c4f-44b8-90ea-5944419d8ca8.png?v=1791381460 Dexmedetomidine Impurity 57, 91.00% | 617-86-7 Dexmedetomidine Impurity 57|C4X-123057|617-86-7 https://www.jk-sci.com/products/s57c4x-122511 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8accb55bc289e55cb3434756bf28498b.jpg?v=1791381530 Trimethoprim EP Impurity A, 96.60% | 213745-86-9 Trimethoprim EP Impurity A|C4X-122511|213745-86-9 https://www.jk-sci.com/products/s57c4x-123629 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_935858ea-5d75-412f-a919-e826e1461d67.png?v=1791381314 Isavuconazole Impurity 29, Purity: 99.0% Isavuconazole Impurity 29|C4X-123629 https://www.jk-sci.com/products/s57c4x-123914 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79a88eae268af71186b9b198cec0fef0.jpg?v=1791381206 Anastrozole Impurity 14, 95.70% | 1338800-82-0 Anastrozole Impurity 14|C4X-123914|1338800-82-0 https://www.jk-sci.com/products/s57c4x-123544 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8defe867-a392-46b7-8eb9-add6f035ad3b.png?v=1791381369 Piracetam Impurity 44, 94.60% Piracetam Impurity 44|C4X-123544 https://www.jk-sci.com/products/s57c4x-12446 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814082_aae47915-d377-4c59-b8e5-e0830e08be63.png?v=1791381080 Quetiapine EP Impurity H, 97.60% | 1076199-40-0 Quetiapine EP Impurity H|C4X-12446|1076199-40-0 https://www.jk-sci.com/products/s57c4x-124210 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50b134a711a4c49436f5f92d9611e33b.jpg?v=1791381155 Rocuronium Impurity 10, 76.30% | 50588-22-2 Rocuronium Impurity 10|C4X-124210|50588-22-2 https://www.jk-sci.com/products/s57c4x-124727 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ca79129976f06acfa4a5115f6a1e2fe.jpg?v=1791380997 Bisoprolol Impurity 27, 93.20% | 66722-57-4 Bisoprolol Impurity 27|C4X-124727|66722-57-4 https://www.jk-sci.com/products/s57c4x-12489 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0da5dbb73d3d9bf7ae4bb295ad082690.jpg?v=1791380949 Valaciclovir EP Impurity I(Aciclovir EP Impurity A), 97.20% | 102728-64-3 Valaciclovir EP Impurity I(Aciclovir EP Impurity A)|C4X-12489|102728-64-3 https://www.jk-sci.com/products/s57c4x-125230 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f79c6c147ec6006854fbc4943421e253.jpg?v=1791380926 Perindopril Impurity 30, Purity: 100.0% | 145682-38-8 Perindopril Impurity 30|C4X-125230|145682-38-8 https://www.jk-sci.com/products/s57c4x-125240 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fbafff7f-897d-4053-9f08-d4760b876651.png?v=1791380914 Perindopril Impurity 40, 98.60% Perindopril Impurity 40|C4X-125240 https://www.jk-sci.com/products/s57c4x-125423 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d56af494f40d8df9219954c00f1f73a4.jpg?v=1791380880 Tirofiban Impurity 23, 99.80% | 149490-60-8 Tirofiban Impurity 23|C4X-125423|149490-60-8 https://www.jk-sci.com/products/s57c4x-125818 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15edd4e5e0a4d03084d4016e2e2ae9be_321ca96c-5438-414b-a92d-8345295c0c1a.jpg?v=1791380835 Buspirone EP Impurity A, 97.30% | 20980-22-7 Buspirone EP Impurity A|C4X-125818|20980-22-7 https://www.jk-sci.com/products/s57c4x-125628 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f263586ab30902c0aacb63f28fd58a0d.jpg?v=1791380862 Nilotinib Impurity 28, 98.90% | 641569-97-3 Nilotinib Impurity 28|C4X-125628|641569-97-3 https://www.jk-sci.com/products/s57c4x-12583 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2864367bfac9cf2e76a5076a0a737399.jpg?v=1791380819 Buspirone EP Impurity C, 93.90% | 257877-45-5 Buspirone EP Impurity C|C4X-12583|257877-45-5 https://www.jk-sci.com/products/s57c4x-125314 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c1cd6b812c513c66b18f2f73e0ce8e9.jpg?v=1791380895 Gatifloxacin Impurity 14, 74.50% | 114213-69-3 Gatifloxacin Impurity 14|C4X-125314|114213-69-3 https://www.jk-sci.com/products/s57c4x-12658 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331081_0312114d-e398-456c-9d61-5fbf5ba5f791.png?v=1791380797 Clomipramine Impurity 8, 99.90% | 109-54-6 Clomipramine Impurity 8|C4X-12658|109-54-6 https://www.jk-sci.com/products/s57c4x-126724 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5dec6a4-ed87-40bb-bbac-c449929fa82f.png?v=1791380778 Ixazomib Impurity 24, 93.10% Ixazomib Impurity 24|C4X-126724 https://www.jk-sci.com/products/s57c4x-126749 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_58f4c70c-c22b-4484-8c67-1f0170a1812a.png?v=1791380757 Ixazomib Impurity 49, 96.80% Ixazomib Impurity 49|C4X-126749 https://www.jk-sci.com/products/s57c4x-12705 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecc5772211a525fe732e525f2bc8bf98.jpg?v=1791380714 Cefaclor EP Impurity E, 92.30% | 188915-50-6 Cefaclor EP Impurity E|C4X-12705|188915-50-6 https://www.jk-sci.com/products/s57c4x-12722 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb063600e5b0e49290f4f4f3a33455cb.jpg?v=1791380684 Nifuratel Impurity 2, 95.20% | 736-53-8 Nifuratel Impurity 2|C4X-12722|736-53-8 https://www.jk-sci.com/products/s57c4x-12681 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a91014d6335294c473ca9a3d487ceb5.jpg?v=1791380734 Nalmefene Impurity 1, 98.00% | 42971-33-5 Nalmefene Impurity 1|C4X-12681|42971-33-5 https://www.jk-sci.com/products/s57c4x-12892 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b319ca28-db23-4287-baf4-86ec7d7ddb94.png?v=1791380664 Faropenem Impurity 2, 90.20% Faropenem Impurity 2|C4X-12892 https://www.jk-sci.com/products/s57c4x-12922 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_486dc147-6acb-4b58-920b-842b28cc2135.png?v=1791380654 Levocarnitine EP Impurity B, 97.00% Levocarnitine EP Impurity B|C4X-12922 https://www.jk-sci.com/products/s57c4x-129230 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355552_6f9b07c1-9410-454d-9b71-687e1565dabe.png?v=1791380648 Levocarnitine Impurity 30 (D-Camphoric Acid), 98.20% | 124-83-4 Levocarnitine Impurity 30 (D-Camphoric Acid)|C4X-129230|124-83-4 https://www.jk-sci.com/products/s57c4x-129410 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e35abe5f-654d-4798-b6b2-fefd8299b31c.png?v=1791380637 Guaifenesin Glucose Adduct 1, Purity: 98.4% Guaifenesin Glucose Adduct 1|C4X-129410 https://www.jk-sci.com/products/s57c4x-12945 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5bbb66aa6f3f25f1d51536ffcc552c.jpg?v=1791380629 Guaifenesin Impurity 5, 99.70% | 2049-21-0 Guaifenesin Impurity 5|C4X-12945|2049-21-0 https://www.jk-sci.com/products/s57c4x-12982 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616103_b188164b-e848-4f22-89b9-4ffae92889b3.png?v=1791380622 Dobutamine EP Impurity B, 100.00% | 5471-51-2 Dobutamine EP Impurity B|C4X-12982|5471-51-2 https://www.jk-sci.com/products/s57c4x-12983 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68f3c71324e9d544c8482823b74815ec.jpg?v=1791380615 Dobutamine EP Impurity C HCl, 95.20% | 51062-14-7 Dobutamine EP Impurity C HCl|C4X-12983|51062-14-7 https://www.jk-sci.com/products/s57c4x-129839 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b317b6d3-c0d6-4664-ba5c-5a8fde2d2105.png?v=1791380610 Dobutamine Impurity 39 HCl, Purity: 98.4% Dobutamine Impurity 39 HCl|C4X-129839 https://www.jk-sci.com/products/s57c4x-13015 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d1178bf6a29963da4eab279ffa41f27.jpg?v=1791380576 Deoxyprednisolone-16-ene, 99.30% | 3103-17-1 Deoxyprednisolone-16-ene|C4X-13015|3103-17-1 https://www.jk-sci.com/products/s57c4x-130310 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b4652814c2f00bd6a94f6d159fd0d0b.jpg?v=1791380567 Roxithromycin EP Impurity J, 98.40% | 134834-12-1 Roxithromycin EP Impurity J|C4X-130310|134834-12-1 https://www.jk-sci.com/products/s57c4x-13034 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdb7f808a9e5ecc7c589e9bd5af0db50.jpg?v=1791380559 Roxithromycin EP Impurity D, 91.90% | 134931-00-3 Roxithromycin EP Impurity D|C4X-13034|134931-00-3 https://www.jk-sci.com/products/s57c4x-130820 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef7995aabc8516389ef922a693fa9273.jpg?v=1791380544 Levosimendan Impurity 20, 95.90% | 131741-37-2 Levosimendan Impurity 20|C4X-130820|131741-37-2 https://www.jk-sci.com/products/s57c4x-130423 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85322a95-de7f-4a9e-a468-90da42eb777e.png?v=1791380548 Penehyclidine Impurity 3 HCI, 90.40% Penehyclidine Impurity 3 HCI|C4X-130423 https://www.jk-sci.com/products/s57c4x-1309 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/215777_9acaa408-f916-4d42-8e83-bf0ae97ebbe3.png?v=1791380526 Meropenem Trihydrate, 99.80% | 119478-56-7 Meropenem Trihydrate|C4X-1309|119478-56-7 https://www.jk-sci.com/products/s57c4x-13111 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5840ef401caed904e262eb5ce2794dda.jpg?v=1791380518 Cyclosporin A Isomer, 99.50% | 59865-16-6 Cyclosporin A Isomer|C4X-13111|59865-16-6 https://www.jk-sci.com/products/s57c4x-131212 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3798086df6c408aabfa6b7ee8d00923.jpg?v=1791380507 Pregabalin Impurity 12, 99.60% | 216576-74-8 Pregabalin Impurity 12|C4X-131212|216576-74-8 https://www.jk-sci.com/products/s57c4x-131223 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576a19a2f8bc2cd9ee104e7831eba7b6.jpg?v=1791380496 Pregabalin Impurity 23, 99.90% | 181289-34-9 Pregabalin Impurity 23|C4X-131223|181289-34-9 https://www.jk-sci.com/products/s57c4x-13123 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06a3b91baacfb816bec855cbbfc5ff5b.jpg?v=1791380493 Pregabalin Impurity 3, Purity: 100.0% | 916982-10-0 Pregabalin Impurity 3|C4X-13123|916982-10-0 https://www.jk-sci.com/products/s57c4x-13128 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_848c44e8-4071-4630-b089-25811ac062de.png?v=1791380456 Pregabalin Impurity PD 0224377, Purity: 99.3% Pregabalin Impurity PD 0224377|C4X-13128 https://www.jk-sci.com/products/s57c4x-131290 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c072f0c6ce3b6619542d70364d3375a.jpg?v=1791380446 Pregabalin Impurity 90, 93.20% | 1486961-58-3 Pregabalin Impurity 90|C4X-131290|1486961-58-3 https://www.jk-sci.com/products/s57c4x-131616 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524128_598ec56f-5305-4e91-8461-e41672d5b918.png?v=1791380431 Fosfomycin Disodium Salt, 91.50% | 26016-99-9 Fosfomycin Disodium Salt|C4X-131616|26016-99-9 https://www.jk-sci.com/products/s57c4x-1316 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/445280_4a87c159-0d8c-4b57-bca9-2d4693701dc6.png?v=1791380442 Fosfomycin Trometamol, 99.40% | 78964-85-9 Fosfomycin Trometamol|C4X-1316|78964-85-9 https://www.jk-sci.com/products/s57c4x-131260 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54e21203995ee308e4894419ad497e60_fcb68270-965a-4e23-8534-d461cd4ef95b.jpg?v=1791380473 Pregabalin Impurity 60, 100.00% | 181289-33-8 Pregabalin Impurity 60|C4X-131260|181289-33-8 https://www.jk-sci.com/products/s57c4x-131666 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/580016_166dcdc2-36e6-4b73-87bf-5016cae9c0da.png?v=1791380426 Fosfomycin Impurity 66, 93.50% | 13086-84-5 Fosfomycin Impurity 66|C4X-131666|13086-84-5 https://www.jk-sci.com/products/s57c4x-13212 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337417_e61c2cb0-c01a-43fa-a9a4-ddb2a819f380.png?v=1791380413 Triclabendazole, 99.70% | 68786-66-3 Triclabendazole|C4X-13212|68786-66-3 https://www.jk-sci.com/products/s57c4x-13222 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c376b5bcd2dc25ef836a9c778163ffb8.jpg?v=1791380406 Propafenone EP Impurity B HCl, 98.80% | 88308-22-9 Propafenone EP Impurity B HCl|C4X-13222|88308-22-9 https://www.jk-sci.com/products/s57c4x-13226 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/016fd68208c49a780445ecf49148f868.jpg?v=1791380398 Propafenone EP Impurity F, Purity: 99.7% | 1329643-40-4 Propafenone EP Impurity F|C4X-13226|1329643-40-4 https://www.jk-sci.com/products/s57c4x-132413 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386538_6175a17c-e3e6-4077-96fc-21068c23ecdf.png?v=1791380385 Mesalazine EP Impurity M, 99.80% | 2516-96-3 Mesalazine EP Impurity M|C4X-132413|2516-96-3 https://www.jk-sci.com/products/s57c4x-132419 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d93466b4b8594d99825da7f0a7f5570.jpg?v=1791380380 Mesalazine EP Impurity S, 90.40% | 1797983-23-3 Mesalazine EP Impurity S|C4X-132419|1797983-23-3 https://www.jk-sci.com/products/s57c4x-132435 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/237938_726ce9f5-24dd-4e9d-ab84-80c0f3ca6a6d.png?v=1791380374 Mesalazine EP Impurity R, 90.10% | 85-38-1 Mesalazine EP Impurity R|C4X-132435|85-38-1 https://www.jk-sci.com/products/s57c4x-13247 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454213_711eeb03-5201-4cc1-b7ee-9f3d439a857d.png?v=1791380363 Mesalazine EP Impurity G, 98.20% | 490-79-9 Mesalazine EP Impurity G|C4X-13247|490-79-9 https://www.jk-sci.com/products/s57c4x-13262 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409302_676f8f4d-1e17-4e04-8989-82f52aa066a6.png?v=1791380353 Triamcinolone Acetonide EP Impurity A, 98.90% | 124-94-7 Triamcinolone Acetonide EP Impurity A|C4X-13262|124-94-7 https://www.jk-sci.com/products/s57c4x-13269 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6328f2b9c963cfdd899717915c408fd4.jpg?v=1791380329 21-Carboxylic Acid Triamcinolone Acetonide, 96.80% | 53962-41-7 21-Carboxylic Acid Triamcinolone Acetonide|C4X-13269|53962-41-7 https://www.jk-sci.com/products/s57c4x-132640 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e9f7bcb-a4ec-4147-909f-c27d0517d052.png?v=1791380348 Triamcinolone Impurity 40, 89.70% Triamcinolone Impurity 40|C4X-132640 https://www.jk-sci.com/products/s57c4x-13275 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3827c05e475fd5a945112543967d15dc.jpg?v=1791380324 Econazole Impurity 5, Purity: 95.0% | 81547-71-9 Econazole Impurity 5|C4X-13275|81547-71-9 https://www.jk-sci.com/products/s57c4x-132813 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee8e3a860ee95b9040df85d58d82935f.jpg?v=1791380320 Cilostazol Impurity 13, 98.00% | 22716-03-6 Cilostazol Impurity 13|C4X-132813|22716-03-6 https://www.jk-sci.com/products/s57c4x-13284 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ae0c4ab768c7b5e94b20ec5577861fd.jpg?v=1791380314 Cilostazol related compound C, 96.30% | 865792-18-3 Cilostazol related compound C|C4X-13284|865792-18-3 https://www.jk-sci.com/products/s57c4x-13302 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149466.png?v=1791380315 Caffeine EP Impurity C, 99.80% | 519-32-4 Caffeine EP Impurity C|C4X-13302|519-32-4 https://www.jk-sci.com/products/s57c4x-13310 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e14dad88e1c24079a54a81f2a94631f.jpg?v=1791380303 S-Ornidazole, 99.90% | 166734-83-4 S-Ornidazole|C4X-13310|166734-83-4 https://www.jk-sci.com/products/s57c4x-13305 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150127_a7bcd8d8-1a4e-452a-be85-ce75e6ccb7f5.png?v=1791380308 Caffeine Impurity 5, 99.40% | 611-59-6 Caffeine Impurity 5|C4X-13305|611-59-6 https://www.jk-sci.com/products/s57c4x-1331103 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b8cae6b1-8be9-4aef-a8b6-20ef741586f2.png?v=1791380292 Ornidazole Impurity 77 HCI, 93.90% Ornidazole Impurity 77 HCI|C4X-1331103 https://www.jk-sci.com/products/s57c4x-133114 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fb29e106c95c33636e81aaae30cf1c3.jpg?v=1791380291 Ornidazole Impurity 14, 84.30% | 116989-52-7 Ornidazole Impurity 14|C4X-133114|116989-52-7 https://www.jk-sci.com/products/s57c4x-133120 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e98784014660f363af0820e8f198efa.jpg?v=1791380285 Ornidazole Impurity 20, 96.40% | 1413431-46-5 Ornidazole Impurity 20|C4X-133120|1413431-46-5 https://www.jk-sci.com/products/s57c4x-133123 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2689a8efafec41f7d53eb3b47d55c97a.jpg?v=1791380279 Ornidazole Impurity 23, 98.40% | 19183-16-5 Ornidazole Impurity 23|C4X-133123|19183-16-5 https://www.jk-sci.com/products/s57c4x-133126 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2a5a33eb5353f93924599bd569cd0b.jpg?v=1791380278 Ornidazole Impurity 26, 98.70% | 62580-79-4 Ornidazole Impurity 26|C4X-133126|62580-79-4 https://www.jk-sci.com/products/j5319012 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ced8e2a134daaca101bd55b52b61b4e.jpg?v=1791409574 4-Methoxybenzamidine hydrochloride, Purity ≥ 95% (NMR) | 51721-68-7 4-Methoxybenzamidine hydrochloride|19012|51721-68-7 https://www.jk-sci.com/products/s57c4x-133130 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0b94a2f-735e-4feb-9826-b6149b8be75d.png?v=1791380273 Ornidazole Impurity 30, 96.30% Ornidazole Impurity 30|C4X-133130 https://www.jk-sci.com/products/s57c4x-13314 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb4d77be0e8fde67daa9540c479a27e1.jpg?v=1791380263 Ornidazole Impurity 4, 99.10% | 62580-80-7 Ornidazole Impurity 4|C4X-13314|62580-80-7 https://www.jk-sci.com/products/s57c4x-133138 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8927f79c-26d3-40b3-b01a-8fa8c46a1069.png?v=1791380268 Ornidazole Impurity 38, 98.70% Ornidazole Impurity 38|C4X-133138 https://www.jk-sci.com/products/s57c4x-13321 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536294.png?v=1791380249 Nafamostat Mesylate, 98.80% | 82956-11-4 Nafamostat Mesylate|C4X-13321|82956-11-4 https://www.jk-sci.com/products/j5319025 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f84c2c1e41620c485b9475ee87496a7.jpg?v=1791409564 4-Phenyl-azepane, Purity ≥ 95% (NMR) | 73252-01-4 4-Phenyl-azepane|19025|73252-01-4 https://www.jk-sci.com/products/s57c4x-133167 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d296b5f6-86d9-41d6-86aa-f1daf1e5ecdb.png?v=1791380263 Ornidazole Impurity 67, 75.40% Ornidazole Impurity 67|C4X-133167 https://www.jk-sci.com/products/s57c4x-133215 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/049a10ab2174e0e6368e336d11042705.jpg?v=1791380247 Nafamostat Impurity 15, 92.50% | 6306-25-8 Nafamostat Impurity 15|C4X-133215|6306-25-8 https://www.jk-sci.com/products/s57c4x-133171 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/750d7cda356284e2379908b67eb6381a.jpg?v=1791380257 【结构重复，见C4X-133149】Ornidazole Impurity 71, Purity: 98.9% | 1685275-23-3 【结构重复，见C4X-133149】Ornidazole Impurity 71|C4X-133171|1685275-23-3 https://www.jk-sci.com/products/s57c4x-133184 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78527267-2579-4cd3-a1b5-a7bf806ae6ef.png?v=1791380252 Ornidazole Impurity 84, 83.00% Ornidazole Impurity 84|C4X-133184 https://www.jk-sci.com/products/j5319055 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8068cec1ddf5e8e052783cf81f6e4b9f.jpg?v=1791409550 5-(4-Fluorophenyl)-2H-tetrazole, Purity by HPLC ≥ 98% | 50907-21-6 5-(4-Fluorophenyl)-2H-tetrazole|19055|50907-21-6 https://www.jk-sci.com/products/s57c4x-133217 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4f184ef-42f3-438c-95c2-bdcb71768e3b.png?v=1791380240 Nafamostat Impurity 17, 91.00% Nafamostat Impurity 17|C4X-133217 https://www.jk-sci.com/products/s57c4x-133219 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87117e08f1a2c32bfcb55dd6a9127b1d.jpg?v=1791380242 Nafamostat Impurity 19, 82.10% | 63101-32-6 Nafamostat Impurity 19|C4X-133219|63101-32-6 https://www.jk-sci.com/products/s57c4x-13323 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_42729170-427d-456b-af29-c2d7a506ef7e.png?v=1791380234 Nafamostat Impurity 3, 95.70% Nafamostat Impurity 3|C4X-13323 https://www.jk-sci.com/products/s57c4x-133249 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2256de04-667c-4a89-ac9c-6c773b1e0497.png?v=1791380229 Nafamostat Impurity 49 HCl, 96.00% Nafamostat Impurity 49 HCl|C4X-133249 https://www.jk-sci.com/products/j5319083 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edc78bbb8709061abe3e419fe7881528.jpg?v=1791409530 5-Boc-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridine, Purity by HPLC ≥ 99% | 230301-11-8 5-Boc-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridine|19083|230301-11-8 https://www.jk-sci.com/products/s57c4x-133322 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76dbb2f87aaa960cb955e3f5cb20e17d_13b78439-122d-48ea-86f8-b3fe0c2e17a4.jpg?v=1791380225 Sunitinib Impurity 22, 99.00% | 452105-33-8 Sunitinib Impurity 22|C4X-133322|452105-33-8 https://www.jk-sci.com/products/s57c4x-13334 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795552_d1119634-411a-4783-913b-ec0743afd7b2.png?v=1791380222 Sunitinib Impurity 4, Purity: 99.4% | 17106-13-7 Sunitinib Impurity 4|C4X-13334|17106-13-7 https://www.jk-sci.com/products/s57c4x-133350 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b802b900-b5de-4d42-a9db-2d93f18e36cc.png?v=1791380216 Sunitinib Impurity 50, 86.30% Sunitinib Impurity 50|C4X-133350 https://www.jk-sci.com/products/j5319100 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9034c60b7ced96ecc9123382734a7c2.jpg?v=1791409508 5-Bromo-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester, Purity ≥ 95% | 885276-93-7 5-Bromo-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester|19100|885276-93-7 https://www.jk-sci.com/products/s57c4x-13341 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d9d261e9-5ebf-4580-9ab6-d7256a001417.png?v=1791380204 Enalapril EP Impurity H Maleate, 96.50% Enalapril EP Impurity H Maleate|C4X-13341 https://www.jk-sci.com/products/s57c4x-133355 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85120e875ead0439a9da6c60b9e59ff9.jpg?v=1791380212 N-Desethyl Sunitinib-d5, Purity>95% | 1217247-62-5 N-Desethyl Sunitinib-d5|C4X-133355|1217247-62-5 https://www.jk-sci.com/products/j5319122 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/952adcb00018dc6b8a4f0041ac3d67ca.jpg?v=1791409477 5-Methoxy-1H-indazole-3-carbaldehyde, Purity by HPLC ≥ 95% | 169789-37-1 5-Methoxy-1H-indazole-3-carbaldehyde|19122|169789-37-1 https://www.jk-sci.com/products/j5318779 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e6ec63451c51dce77917eabcef177dc.jpg?v=1791409753 2-Piperidin-1-ylmethyl acrylic acid, Purity by HPLC ≥ 97% | 4969-03-3 2-Piperidin-1-ylmethyl acrylic acid|18779|4969-03-3 https://www.jk-sci.com/products/s57c4x-133412 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf6ac60d-d869-4aba-92ef-14c473854aa7.png?v=1791380200 Enalapril EP Impurity A(HCl), Purity: 95.2% Enalapril EP Impurity A(HCl)|C4X-133412 https://www.jk-sci.com/products/j5319136 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599e3e92407b273ff05909959f696e8b.jpg?v=1791409449 5-Methyl-Thiazole-4-carboxylic acid, Purity by HPLC ≥ 95% | 120237-76-5 5-Methyl-Thiazole-4-carboxylic acid|19136|120237-76-5 https://www.jk-sci.com/products/s57c4x-133431 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6274f5ca-4a87-40cf-91fa-480e65e7dc4b.png?v=1791380196 Enalapril Impurity 31, 96.40% Enalapril Impurity 31|C4X-133431 https://www.jk-sci.com/products/s57c4x-13345 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/267951.png?v=1791380196 Enalapril EP Impurity B(Quinapril EP Impurity B), 98.80% | 82717-96-2 Enalapril EP Impurity B(Quinapril EP Impurity B)|C4X-13345|82717-96-2 https://www.jk-sci.com/products/s57c4x-133519 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09db901e-02b4-4818-9ef0-4b4f33345e0b.png?v=1791380185 Calcium Levofolinate EP Impurity F(Calcium salt), Purity: 91.2% Calcium Levofolinate EP Impurity F(Calcium salt)|C4X-133519 https://www.jk-sci.com/products/s57c4x-133611 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bb4d7b319c409c53688bc5c8f76eebf.jpg?v=1791380186 Duloxetine USP Related Compound H, 92.60% | 199191-66-7 Duloxetine USP Related Compound H|C4X-133611|199191-66-7 https://www.jk-sci.com/products/s57c4x-133613 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213330.png?v=1791380173 Duloxetine Impurity 13, 98.00% | 5424-47-5 Duloxetine Impurity 13|C4X-133613|5424-47-5 https://www.jk-sci.com/products/j5319192 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/667b130946a206406126b360289a577e.jpg?v=1791409407 6-bromo-3(2H)-benzofuranone, Purity ≥ 95% (NMR) | 201809-69-0 6-bromo-3(2H)-benzofuranone|19192|201809-69-0 https://www.jk-sci.com/products/j5319215 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/678156d07f3ab9dcff485256bd3a8525.jpg?v=1791409381 6-Hydroxyisoquinoline, Purity by HPLC ≥ 95% | 7651-82-3 6-Hydroxyisoquinoline|19215|7651-82-3 https://www.jk-sci.com/products/j5319209 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d8d20c9e0e46d700c0adca76b20ed13.jpg?v=1791409387 6-Fluoro-1,2,3,4-tetrahydroisoquinoline hydrochloride, Assay ≥ 97% | 799274-08-1 6-Fluoro-1,2,3,4-tetrahydroisoquinoline hydrochloride|19209|799274-08-1 https://www.jk-sci.com/products/a011534576 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74fc7e8c522e8c8d31f7360c4491b22e.jpg?v=1788930640 1,3,4,6-Tetra-O-acetyl-2-(2-azidoacetamido)-2-deoxy-β-D-glucopyranose, 95% | 98924-81-3 1,3,4,6-Tetra-O-acetyl-2-(2-azidoacetamido)-2-deoxy-β-D-glucopyranose, 95%|1534576|98924-81-3 https://www.jk-sci.com/products/j5319164 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b52f6ffeaf099c5cf17415e654ad50d.jpg?v=1791409425 6,8-Dichloro-2H-chromene-3-carbaldehyde, Purity by HPLC ≥ 99% | 126350-18-3 6,8-Dichloro-2H-chromene-3-carbaldehyde|19164|126350-18-3 https://www.jk-sci.com/products/j5319235 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f34d0c596cfbdc75099cf1c5ec6035b6.jpg?v=1791409367 6-Nitro-pyridin-2-ylamine, Purity by HPLC ≥ 98% | 14916-63-3 6-Nitro-pyridin-2-ylamine|19235|14916-63-3 https://www.jk-sci.com/products/s57c4x-133620 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9d09161c5b934376ea8c6ccbaca0712.jpg?v=1791380167 rac-Duloxetine-d3 HCl, Purity>95% | 1188266-11-6 rac-Duloxetine-d3 HCl|C4X-133620|1188266-11-6 https://www.jk-sci.com/products/a01266145 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147862.png?v=1790009740 1,3,5-Triisopropylbenzene, 95% | 717-74-8 1,3,5-Triisopropylbenzene, 95%|266145|717-74-8 https://www.jk-sci.com/products/j5319247 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b797cda8ce6c69279ef4e433799c2c3c.jpg?v=1791409362 7-Bromo-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester, Purity by HPLC ≥ 96% || Purity ≥ 95% | 885276-77-7 7-Bromo-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester|19247|885276-77-7 https://www.jk-sci.com/products/j5319308 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/668b0567e352830a46c92271c6b1ebc3.jpg?v=1791409328 (1-Methyl-5-trifluoromethyl-1H-benzoimidazol-2-yl)methylamine hydrochloride, Purity ≥ 95% (NMR) | 828241-99-2 (1-Methyl-5-trifluoromethyl-1H-benzoimidazol-2-yl)methylamine hydrochloride|19308|828241-99-2 https://www.jk-sci.com/products/s57c4x-133638 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b75c198671bbcc801157de15539f185.jpg?v=1791380161 Duloxetine impurity 38, 94.60% | 2418708-78-6 Duloxetine impurity 38|C4X-133638|2418708-78-6 https://www.jk-sci.com/products/j5319381 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/000ea02b96e33834705d789dd0174feb.jpg?v=1791409281 Dibenzofuran-4-carboxylic acid, Assay ≥ 98% | 2786-05-2 Dibenzofuran-4-carboxylic acid|19381|2786-05-2 https://www.jk-sci.com/products/s57c4x-133641 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c0e17c806fb358b61c95ab708b47b40.jpg?v=1791380160 Duloxetine EP Impurity F, 99.50% | 959392-22-4 Duloxetine EP Impurity F|C4X-133641|959392-22-4 https://www.jk-sci.com/products/a01266170 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266170.png?v=1788924925 3,5-Dimethylbenzaldehyde, 98% | 5779-95-3 3,5-Dimethylbenzaldehyde, 98%|266170|5779-95-3 https://www.jk-sci.com/products/a01266291 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266291.png?v=1788924921 N,N-Dimethylthioformamide, 98% | 758-16-7 N,N-Dimethylthioformamide, 98%|266291|758-16-7 https://www.jk-sci.com/products/a01266666 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266666.png?v=1790212507 α-Terpineol, 97% | 98-55-5 α-Terpineol, 97%|266666|98-55-5 https://www.jk-sci.com/products/j5319404 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c21fa1cf099021c94f40d18345b5c48c.jpg?v=1791409267 Imidazo[1,2-a]pyridin-6-ylamine, Purity by HPLC ≥ 95% | 235106-53-3 Imidazo[1,2-a]pyridin-6-ylamine|19404|235106-53-3 https://www.jk-sci.com/products/s57c4x-13371 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/633c1bd82f72b34cc6e6facd357203cb.jpg?v=1791380141 Desacetyl Cefathiamidine, 91.90% | 958001-61-1 Desacetyl Cefathiamidine|C4X-13371|958001-61-1 https://www.jk-sci.com/products/j5319418 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96d029463aef9aded85de3630c5270cf.jpg?v=1791409253 Isoquinoline-1-carbaldehyde, Purity ≥ 96% | 4494-18-2 Isoquinoline-1-carbaldehyde|19418|4494-18-2 https://www.jk-sci.com/products/j5319442 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88f419e99add1c55ef05f6b2f94b19c3.jpg?v=1791409242 Methyl-(5-methyl-1H-indol-3-ylmethyl)amine formate, Purity ≥ 95% (LCMS) | 1185435-02-2 Methyl-(5-methyl-1H-indol-3-ylmethyl)amine formate|19442|1185435-02-2 https://www.jk-sci.com/products/j5319454 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d72435efba70f278438aabdd4a7abf9.jpg?v=1791409230 Morpholin-2-yl-acetic acid ethyl ester, Purity by HPLC ≥ 96% | 503601-25-0 Morpholin-2-yl-acetic acid ethyl ester|19454|503601-25-0 https://www.jk-sci.com/products/j5319670 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a508f99f2f94381cd0fe64a47819964.jpg?v=1791409133 (1-Phenyl-1-tosyl)methyl isocyanide, Purity ≥ 97% (NMR) | 36635-66-2 (1-Phenyl-1-tosyl)methyl isocyanide|19670|36635-66-2 https://www.jk-sci.com/products/j5319515 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bef7764a4ba6ec202d0aedb1a071e6cb.jpg?v=1791409170 Thiazole-5-carbothioic acid amide, Purity by HPLC ≥ 95% | 409110-07-2 Thiazole-5-carbothioic acid amide|19515|409110-07-2 https://www.jk-sci.com/products/j5319466 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279d6f61b8461bb192fa06cc7056676d.jpg?v=1791409212 2-Oxazolecarboxaldehyde, Assay ≥ 97% | 65373-52-6 2-Oxazolecarboxaldehyde|19466|65373-52-6 https://www.jk-sci.com/products/j5319499 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a29d40a9e11b897846b80a1682fc632.jpg?v=1791409185 Pyrrolidin-3-yl-methanol, Purity ≥ 95% | 5082-74-6 Pyrrolidin-3-yl-methanol|19499|5082-74-6 https://www.jk-sci.com/products/a01266846 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266846.png?v=1790212498 Cimetidine, 99%, a histamine-2 (H2) receptor antagonist | 51481-61-9 Cimetidine, 99%, a histamine-2 (H2) receptor antagonist|266846|51481-61-9 https://www.jk-sci.com/products/j5319477 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1129181466e132b3afb3b7ed486a4022.jpg?v=1791409200 2-Methylbenzoyl cyanide, Purity ≥ 98% (NMR) | 5955-73-7 2-Methylbenzoyl cyanide|19477|5955-73-7 https://www.jk-sci.com/products/j5319504 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52d4cd5d985f1d80db362376f5aff69c.jpg?v=1791409176 Quinoline-4-carbothioic acid amide, Purity by HPLC ≥ 95% | 74585-98-1 Quinoline-4-carbothioic acid amide|19504|74585-98-1 https://www.jk-sci.com/products/j5319472 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6149cbca13871665f00b9e64698980.jpg?v=1791409206 Oxazole-4-carboxylic acid hydrazide, Purity by HPLC ≥ 97% | 885274-12-4 Oxazole-4-carboxylic acid hydrazide|19472|885274-12-4 https://www.jk-sci.com/products/j5317784 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b50d917dd6071b66de7e78f6cf9f2bd.jpg?v=1791410527 Quinolin-5-yl-methylamine dihydrochloride, Assay ? 95% | 58123-57-2 Quinolin-5-yl-methylamine dihydrochloride|17784|58123-57-2 https://www.jk-sci.com/products/j5317174 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/960013b5ee40bc780f62b1e0e8867be3.jpg?v=1791411303 Bzl-isonipecotic acid, Purity by HPLC ≥ 97% | 10315-07-8 Bzl-isonipecotic acid|17174|10315-07-8 https://www.jk-sci.com/products/s57c4x-13381 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/594186_fcc0e594-0b77-4f06-a877-e74196f52d78.png?v=1791380136 Terbinafine EP Impurity A HCl, 99.10% | 65473-13-4 Terbinafine EP Impurity A HCl|C4X-13381|65473-13-4 https://www.jk-sci.com/products/a01267872 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/267872.png?v=1790212479 N,N'-Diphenylethylenediamine, 98% | 150-61-8 N,N'-Diphenylethylenediamine, 98%|267872|150-61-8 https://www.jk-sci.com/products/a01968149 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8077b0bf7d7624a3955cc3ac6d2abca3.jpg?v=1788912592 1,2,3,4,6-Penta-O-benzoyl-α-D-mannopyranose, 98% | 41569-33-9 1,2,3,4,6-Penta-O-benzoyl-α-D-mannopyranose, 98%|968149|41569-33-9 https://www.jk-sci.com/products/j5319763 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1970fd505bcd023ab33e41d5526bc429.jpg?v=1791409115 1-Boc-2,6-dimethyl-piperazine, Purity ≥ 95% (NMR) | 688363-66-8 1-Boc-2,6-dimethyl-piperazine|19763|688363-66-8 https://www.jk-sci.com/products/j5318027 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8610d2bff0f2462e64fede515731a54.jpg?v=1791410271 3-Bromo-5,6,7,8-tetrahydro-1,6-naphthyridine, Assay ≥ 98% | 625100-00-7 3-Bromo-5,6,7,8-tetrahydro-1,6-naphthyridine|18027|625100-00-7 https://www.jk-sci.com/products/j5329897 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28c72a5cdc0ac1c41215288c2458a198_47b2160e-d2a8-4226-a0ee-93294105292d.jpg?v=1791398851 Dextran sulfate sodium salt, Mw ~ 8000 | 9011-18-1 Dextran sulfate sodium salt, Mw ~ 8000|29897|9011-18-1 https://www.jk-sci.com/products/a01968510 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bf215e726c890002610b3c1606192e3.jpg?v=1787975053 DOTA-tris(tBu)ester NHS ester, 95% | 819869-77-7 DOTA-tris(tBu)ester NHS ester, 95%|968510|819869-77-7 https://www.jk-sci.com/products/a01968198 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466475.png?v=1788912589 N-Succinimidyl 5-azido-2-nitrobenzoate, 97% | 60117-35-3 N-Succinimidyl 5-azido-2-nitrobenzoate, 97%|968198|60117-35-3 https://www.jk-sci.com/products/a01968271 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133232.png?v=1788912580 2'-Deoxy-2'-fluorocytidine hydrate, 98% | 10212-20-1 2'-Deoxy-2'-fluorocytidine hydrate, 98%|968271|10212-20-1 https://www.jk-sci.com/products/j5318519 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3418f58b1696c2d29e63fe9ef4eb696e.jpg?v=1791409909 1-Isoxazol-5-yl-ethylamine hydrochloride, Assay ≥ 96% | 1187930-08-0 1-Isoxazol-5-yl-ethylamine hydrochloride|18519|1187930-08-0 https://www.jk-sci.com/products/j5318228 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/922157120f028278ccc72aa3e8e3d81f.jpg?v=1791410067 Thiomorpholine 1,1-dioxide hydrochloride, Purity by HPLC ≥ 98% | 59801-62-6 Thiomorpholine 1,1-dioxide hydrochloride|18228|59801-62-6 https://www.jk-sci.com/products/j5318695 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358c8967c9932a7cca089d357b793c23.jpg?v=1791409810 2-Bromo-1H-pyrrolo[2,3-c]pyridine, Purity ≥ 96% | 885272-38-8 2-Bromo-1H-pyrrolo[2,3-c]pyridine|18695|885272-38-8 https://www.jk-sci.com/products/j5318825 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10e2177ca76dba545300e6bc3936d172.jpg?v=1791409722 3-(4-Aminophenoxy)pyrrolidine-1-carboxylic acid tert-butyl ester, Purity by HPLC ≥ 97% | 862874-75-7 3-(4-Aminophenoxy)pyrrolidine-1-carboxylic acid tert-butyl ester|18825|862874-75-7 https://www.jk-sci.com/products/j5318889 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da368e227c25d4436eb3377611546661.jpg?v=1791409675 3-Chloro-2-iodophenylamine, Purity by HPLC ≥ 98% | 70237-25-1 3-Chloro-2-iodophenylamine|18889|70237-25-1 https://www.jk-sci.com/products/j5318952 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6635b1ec71448c8c3c462ee0ce7dc02d.jpg?v=1791409633 1-N-Boc 4-(3-aminopyrrolidin-1-yl) piperidine sesqui oxalate, Assay ≥ 96% | 885274-89-5 1-N-Boc 4-(3-aminopyrrolidin-1-yl) piperidine sesqui oxalate|18952|885274-89-5 https://www.jk-sci.com/products/s57c4x-133818 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282e61c12fe7ac8b7556a33ebd596d5f.jpg?v=1791380121 2-(Chloromethyl)naphthalene, 98.00% | 2506-41-4 2-(Chloromethyl)naphthalene|C4X-133818|2506-41-4 https://www.jk-sci.com/products/j5318993 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5ac3a5f14b5eee8129d3b1cd1f24eec.jpg?v=1791409598 4-Cyclobutyl-3-oxo-butyric acid ethyl ester, Assay ≥ 96% | 885280-12-6 4-Cyclobutyl-3-oxo-butyric acid ethyl ester|18993|885280-12-6 https://www.jk-sci.com/products/s57c4x-133825 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_02943c00-999f-4786-8ad7-c42f12f32b0e.png?v=1791380116 Desmethylterbinafine-nitrosamine, 98.90% Desmethylterbinafine-nitrosamine|C4X-133825 https://www.jk-sci.com/products/s57c4x-133827 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265635.png?v=1791380112 Terbinafine lmpurity 27, 98.20% | 917-92-0 Terbinafine lmpurity 27|C4X-133827|917-92-0 https://www.jk-sci.com/products/s57c4x-133821 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82e37ec230e8cd6e5b4ebd388cf694b4.jpg?v=1791380120 Terbinafine EP Impurity E, 92.50% | 934365-23-8 Terbinafine EP Impurity E|C4X-133821|934365-23-8 https://www.jk-sci.com/products/s57c4x-13384 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55cde115caeb3427010a22970d1c1117.jpg?v=1791380104 Terbinafine EP Impurity D HCl, 93.10% | 877265-33-3 Terbinafine EP Impurity D HCl|C4X-13384|877265-33-3 https://www.jk-sci.com/products/s57c4x-13386 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b559ef7a-8994-4453-a59c-f1f659b77c4e.png?v=1791380096 Terbinafine Hydrochloride EP Impurity F HCl, 94.70% Terbinafine Hydrochloride EP Impurity F HCl|C4X-13386 https://www.jk-sci.com/products/s57c4x-133830 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01ed45dd13825e9ffcbc4c1f84094f45.jpg?v=1791380104 Terbinafine Impurity 30, 97.00% | 134865-58-0 Terbinafine Impurity 30|C4X-133830|134865-58-0 https://www.jk-sci.com/products/j5319071 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e3b722aa88224fb83d4c04281673b6a.jpg?v=1791409540 5-Amino-2-phenylsulfanyl-benzoic acid methyl ester, Assay ≥ 95% | 361336-73-4 5-Amino-2-phenylsulfanyl-benzoic acid methyl ester|19071|361336-73-4 https://www.jk-sci.com/products/j5319018 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7efc4dc30b61ebcc1bc0fb0439045c99.jpg?v=1791409569 4-Nitrophenethylamine hydrochloride, Purity by HPLC ≥ 99% | 29968-78-3 4-Nitrophenethylamine hydrochloride|19018|29968-78-3 https://www.jk-sci.com/products/j5319162 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afb43045d0109342dd490d236ffee758.jpg?v=1791409426 1H-Indazole-6-boronic acid pinacol ester, Purity by HPLC ≥ 95% | 861905-87-5 1H-Indazole-6-boronic acid pinacol ester|19162|861905-87-5 https://www.jk-sci.com/products/j5319109 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a384e99bae0f1a2a12b3489cac24797e.jpg?v=1791409499 5-(Chloromethyl)-2-(1H-pyrazol-1-yl)pyridine, Purity by HPLC ≥ 97% | 748796-39-6 5-(Chloromethyl)-2-(1H-pyrazol-1-yl)pyridine|19109|748796-39-6 https://www.jk-sci.com/products/s57c4x-133912 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b203054c-30ed-46f4-81e8-532bdd0effcc.png?v=1791380088 Umeclidinium Impurity 12, 97.80% Umeclidinium Impurity 12|C4X-133912 https://www.jk-sci.com/products/j5319201 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd904ab03aa677bb2e22f97df801e512.jpg?v=1791409397 6-Chloro-2H-chromene-3-carboxylic acid ethyl ester, Purity by HPLC ≥ 94% | 66670-54-0 6-Chloro-2H-chromene-3-carboxylic acid ethyl ester|19201|66670-54-0 https://www.jk-sci.com/products/j5319218 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e18d9328ea3609e2173db0ada1709415.jpg?v=1791409381 6-Methoxyindoline, Purity by HPLC ≥ 98% | 7556-47-0 6-Methoxyindoline|19218|7556-47-0 https://www.jk-sci.com/products/s57c4x-133910 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c558e5da055f2c55f0d6f570435ae5ec.jpg?v=1791380093 Umeclidinium Impurity 10, 97.00% | 461648-39-5 Umeclidinium Impurity 10|C4X-133910|461648-39-5 https://www.jk-sci.com/products/j5319397 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb3a31cbfbd38745fbec5605c849dffd.jpg?v=1791409273 Hexahydro-cyclopenta[c]pyrrol-4-one hydrochloride, Assay ≥ 95% | 127430-46-0 Hexahydro-cyclopenta[c]pyrrol-4-one hydrochloride|19397|127430-46-0 https://www.jk-sci.com/products/j5319301 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9372dde15c9d30cadf601174bd636cc8.jpg?v=1791409337 3-Butyn-1-amine hydrochloride, Purity ≥ 95% (NMR) | 88211-50-1 3-Butyn-1-amine hydrochloride|19301|88211-50-1 https://www.jk-sci.com/products/j5319422 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77a66d26019178efdb0225677aecf28e.jpg?v=1791409251 Isoquinoline-4-carboxylic acid hydrazide, Purity by HPLC ≥ 96% | 885272-60-6 Isoquinoline-4-carboxylic acid hydrazide|19422|885272-60-6 https://www.jk-sci.com/products/j5319459 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c95daabeef091dfea9df41dea1eac78e.jpg?v=1791409216 N,N-Diethyl-cyclohexane-1,4-diamine, Purity by HPLC ≥ 95% | 42389-54-8 N,N-Diethyl-cyclohexane-1,4-diamine|19459|42389-54-8 https://www.jk-sci.com/products/a01968534 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402420.png?v=1788912578 trans-Bis(acetato)bis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium(II), 98% | 172418-32-5 trans-Bis(acetato)bis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium(II), 98%|968534|172418-32-5 https://www.jk-sci.com/products/a01968868 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355219.png?v=1790205405 1-(3-Bromophenyl)-piperazine, 98% | 31197-30-5 1-(3-Bromophenyl)-piperazine, 98%|968868|31197-30-5 https://www.jk-sci.com/products/a01968671 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/221127.png?v=1788912570 (R)-2-Amino-1,1-diphenylpropan-1-ol, 98% | 78603-93-7 (R)-2-Amino-1,1-diphenylpropan-1-ol, 98%|968671|78603-93-7 https://www.jk-sci.com/products/j5319473 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3d110a6f944588b86d789652bb6d616.jpg?v=1791409206 5-Oxazolecarboxaldehyde, Assay ≥ 96% | 118994-86-8 5-Oxazolecarboxaldehyde|19473|118994-86-8 https://www.jk-sci.com/products/s57c4x-13401 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581876.png?v=1791380071 Clozapine EP impurity A, 99.30% | 50892-62-1 Clozapine EP impurity A|C4X-13401|50892-62-1 https://www.jk-sci.com/products/s57c4x-1341113 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115249.png?v=1791380051 Clindamycin Palmitate Hydrochloride, 98.50% | 25507-04-4 Clindamycin Palmitate Hydrochloride|C4X-1341113|25507-04-4 https://www.jk-sci.com/products/a01969132 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a019140175064f56170c2ea0e6cfeae8.jpg?v=1790205400 3-(Isopropylamino)propan-1-ol, 97% | 33918-15-9 3-(Isopropylamino)propan-1-ol, 97%|969132|33918-15-9 https://www.jk-sci.com/products/s57c4x-13402 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377238.png?v=1791380066 Clozapine EP Impurity B, 95.40% | 263366-81-0 Clozapine EP Impurity B|C4X-13402|263366-81-0 https://www.jk-sci.com/products/j5319500 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f784c791b3c516bf7ce84c17faae8245.jpg?v=1791409181 Pyrrolidine-3-carbonitrile hydrochloride, Assay ≥ 97% | 1187930-86-4 Pyrrolidine-3-carbonitrile hydrochloride|19500|1187930-86-4 https://www.jk-sci.com/products/s57c4x-13406 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a913f60921830b3865b8480110a23b9.jpg?v=1791380060 Dechloroclozapine, 94.30% | 1977-07-7 Dechloroclozapine|C4X-13406|1977-07-7 https://www.jk-sci.com/products/j5319565 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdce3dae11833e83edc5997f91658533.jpg?v=1791409155 (3-Hydroxy-pyrrolidin-1-yl)acetic acid, Purity by HPLC ≥ 97% | 258530-57-3 (3-Hydroxy-pyrrolidin-1-yl)acetic acid|19565|258530-57-3 https://www.jk-sci.com/products/s57c4x-13411 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612513.png?v=1791380056 Clindamycin EP Impurity A, 99.20% | 154-21-2 Clindamycin EP Impurity A|C4X-13411|154-21-2 https://www.jk-sci.com/products/s57c4x-134111 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563ea7a0ef897e0a0b3b1876f322f027.jpg?v=1791380051 Clindamycin Phosphas EP Impurity F, 96.40% | 27480-30-4 Clindamycin Phosphas EP Impurity F|C4X-134111|27480-30-4 https://www.jk-sci.com/products/j5319801 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9ee5455325f1c508f196821bbde64f9.jpg?v=1791409104 1-Boc-aminobutyl-3-amine, Purity ≥ 96% (NMR) | 878799-20-3 1-Boc-aminobutyl-3-amine|19801|878799-20-3 https://www.jk-sci.com/products/j5319844 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4afe7691719403af2ae7e4eaca2645a7.jpg?v=1791409084 1-Methyl-5-propyl-1H-pyrazole-3-carboxylic acid, Purity by HPLC ≥ 96% | 247583-70-6 1-Methyl-5-propyl-1H-pyrazole-3-carboxylic acid|19844|247583-70-6 https://www.jk-sci.com/products/j5319855 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3669fe86b7a82900599ba92f2074b49.jpg?v=1791409080 1-Oxo-2,3,4,9-tetrahydro-1H-b-carboline-6-carboxylic acid ethyl ester, Assay ≥ 96% | 1967-75-5 1-Oxo-2,3,4,9-tetrahydro-1H-b-carboline-6-carboxylic acid ethyl ester|19855|1967-75-5 https://www.jk-sci.com/products/j5319902 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7049f5b289c79549c115be88d4cfd83f.jpg?v=1791409070 2-(4-Fluorophenyl)-1H-imidazole, Assay ≥ 96% | 4278-08-4 2-(4-Fluorophenyl)-1H-imidazole|19902|4278-08-4 https://www.jk-sci.com/products/a01970291 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126986.png?v=1788912521 1,3-Di(adamantan-1-yl)-1H-imidazol-3-ium chloride, 97% | 131042-78-9 1,3-Di(adamantan-1-yl)-1H-imidazol-3-ium chloride, 97%|970291|131042-78-9 https://www.jk-sci.com/products/a01971665 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291182_a9b418ef-cb0f-4d34-857a-cbf359a4e0ab.png?v=1790205361 1-(4-Chlorophenyl)ethanol, 98% | 3391-10-4 1-(4-Chlorophenyl)ethanol, 98%|971665|3391-10-4 https://www.jk-sci.com/products/s57c4x-1341127 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_de0fab6f-362b-4bb6-85fd-d5b2939720a1.png?v=1791380045 Clindamycin 2,4-Dipalmitate, 98.30% Clindamycin 2,4-Dipalmitate|C4X-1341127 https://www.jk-sci.com/products/s57c4x-134127 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e55c28a8173391dab014eb936f8f4793.jpg?v=1791380029 Clindamycin Phosphate Sulfoxide Impurity, 90.60% | 1228573-90-7 Clindamycin Phosphate Sulfoxide Impurity|C4X-134127|1228573-90-7 https://www.jk-sci.com/products/s57c4x-134125 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511487c5f7dc443ac82148b333f61445.jpg?v=1791380036 Clindamycin Phosphas EP Impurity D, 85.90% | 54887-30-8 Clindamycin Phosphas EP Impurity D|C4X-134125|54887-30-8 https://www.jk-sci.com/products/s57c4x-134123 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70213edda54fd5fba137c2d69018e5c6.jpg?v=1791380037 Clindamycin Phosphas EP Impurity B, 91.10% | 54887-31-9 Clindamycin Phosphas EP Impurity B|C4X-134123|54887-31-9 https://www.jk-sci.com/products/s57c4x-13422 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b5614ecedab062b5eea45f8715345ee.jpg?v=1791380010 Lincomycin B, 96.00% | 2520-24-3 Lincomycin B|C4X-13422|2520-24-3 https://www.jk-sci.com/products/s57c4x-134144 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6828a8d6eec2c367cda5ea8181c18a95.jpg?v=1791380017 Clindamycin Phosphas Impurity 44, 91.40% | 22431-46-5 Clindamycin Phosphas Impurity 44|C4X-134144|22431-46-5 https://www.jk-sci.com/products/s57c4x-134177 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/491090_19c28125-591c-47e0-8446-1e5adc1c10cd.png?v=1791380012 Clindamycin Phosphate EP Impurity E, 91.10% | 18323-44-9 Clindamycin Phosphate EP Impurity E|C4X-134177|18323-44-9 https://www.jk-sci.com/products/s57c4x-134135 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d752529e-bf72-4851-9b36-b4f53fbadddd.png?v=1791380024 Clindamycin Phosphate EP Impurity H, 91.70% Clindamycin Phosphate EP Impurity H|C4X-134135 https://www.jk-sci.com/products/s57c4x-134138 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c079953f03d4af5c2e1041a6f67f729.jpg?v=1791380020 Dehydroclindamycin E/Z Mixture, 90.20% | 1440605-51-5 Dehydroclindamycin E/Z Mixture|C4X-134138|1440605-51-5 https://www.jk-sci.com/products/j5320310 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233107f313212ecd936ce1f327e30cd1.jpg?v=1791408886 4-Methoxy-piperidine hydrochloride, Purity ≥ 98% (NMR) | 4045-25-4 4-Methoxy-piperidine hydrochloride|20310|4045-25-4 https://www.jk-sci.com/products/j5320112 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/982988d0316265567d4254713b0dbf08.jpg?v=1791408992 tert-Butyl 3-(bromomethyl)pyrrolidine-1-carboxylate, Purity by GC ≥ 95% | 305329-97-9 tert-Butyl 3-(bromomethyl)pyrrolidine-1-carboxylate|20112|305329-97-9 https://www.jk-sci.com/products/j5320014 2026-10-08T05:08:19-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab9054d7fe6feaa85e7370eee8b7081e.jpg?v=1791409021 2-Chloro-6-methoxy-benzaldehyde, Purity ≥ 95% (NMR) | 29866-54-4 2-Chloro-6-methoxy-benzaldehyde|20014|29866-54-4