https://www.jk-sci.com/products/s57c4x-15546 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11e0eee7e225b27ae4cf0194b2a0ab58.jpg?v=1791376612 Balsalazide Impurity 6, 96.60% | 1346606-13-0 Balsalazide Impurity 6|C4X-15546|1346606-13-0 https://www.jk-sci.com/products/s57c4x-15601 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08e1b878af1d5ab808b8f534b71d25fe.jpg?v=1791376603 Bifonazole EP Impurity D Chloride, 94.80% | 66600-13-3 Bifonazole EP Impurity D Chloride|C4X-15601|66600-13-3 https://www.jk-sci.com/products/s57c4x-155921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_11538ab2-de35-49f9-bf88-31e87464106b.png?v=1791376606 Betaxolol Impurity 21, Purity: 99.5% Betaxolol Impurity 21|C4X-155921 https://www.jk-sci.com/products/s57c4x-156012 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_507b417c-8bb5-40e3-ab44-bc8c4ab001a3.png?v=1791376601 Bifonazole Impurity 12, 91.60% Bifonazole Impurity 12|C4X-156012 https://www.jk-sci.com/products/s57c4x-15602 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd89954e52153709af162038c526df0a.jpg?v=1791376594 Bifonazole EP Impurity E(Mixture of Diastereomers), 94.30% | 2469554-07-0 Bifonazole EP Impurity E(Mixture of Diastereomers)|C4X-15602|2469554-07-0 https://www.jk-sci.com/products/s57c4x-15604 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f7138f5342406cc59c62721676268f2.jpg?v=1791376588 Bifonazole EP Impurity A, 99.20% | 7598-80-3 Bifonazole EP Impurity A|C4X-15604|7598-80-3 https://www.jk-sci.com/products/s57c4x-15607 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05b328a8ae60c53431fb2a8c4aed5bbd.jpg?v=1791376583 Bifonazole Impurity 7, 98.00% | 91487-87-5 Bifonazole Impurity 7|C4X-15607|91487-87-5 https://www.jk-sci.com/products/s57c4x-156310 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fda0b3f4ea047d34d711e87aef26e3b.jpg?v=1791376580 Biotin Impurity 10, 92.40% | 57671-79-1 Biotin Impurity 10|C4X-156310|57671-79-1 https://www.jk-sci.com/products/s57c4x-156315 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea1023e5bebbae06f1c27101ec23d4db.jpg?v=1791376576 Biotin Impurity 15, 93.40% | 56859-26-8 Biotin Impurity 15|C4X-156315|56859-26-8 https://www.jk-sci.com/products/s57c4x-156318 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e4f17ca906264e8ea4af59315bef917.jpg?v=1791376569 Biotin impurity 18, 93.70% | 4375-00-2 Biotin impurity 18|C4X-156318|4375-00-2 https://www.jk-sci.com/products/s57c4x-15634 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe849f48408a61528e0430ddec00ee22.jpg?v=1791376560 Biotin Impurity 4, 92.00% | 76335-62-1 Biotin Impurity 4|C4X-15634|76335-62-1 https://www.jk-sci.com/products/s57c4x-15638 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586211.png?v=1791376559 Biotin Impurity 8, 91.10% | 22342-46-7 Biotin Impurity 8|C4X-15638|22342-46-7 https://www.jk-sci.com/products/s57c4x-156329 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27e7675c-3f04-40dd-9bdf-09c751d3627e.png?v=1791376565 Biotin impurity 29, 93.20% Biotin impurity 29|C4X-156329 https://www.jk-sci.com/products/s57c4x-156610 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8381fc410951205619ec63fbe6232378.jpg?v=1791376555 Brimonidine EP Impurity D, 93.90% | 842138-74-3 Brimonidine EP Impurity D|C4X-156610|842138-74-3 https://www.jk-sci.com/products/s57c4x-156612 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f935fa152dccd3cd76fb258bd33fdd14.jpg?v=1791376549 Brimonidine EP Impurity G Trifluoroacetic acid salt, 94.60% | 1391054-10-6 Brimonidine EP Impurity G Trifluoroacetic acid salt|C4X-156612|1391054-10-6 https://www.jk-sci.com/products/s57c4x-156615 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/703e9a816fbfcefe0b97ae939eb45132.jpg?v=1791376546 Brimonidine Impurity 15, 97.40% | 91147-46-5 Brimonidine Impurity 15|C4X-156615|91147-46-5 https://www.jk-sci.com/products/s57c4x-15662 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310091_717b0d7b-04e0-4725-9ff3-b42bd491c699.png?v=1791376540 Brimonidine EP Impurity B, 90.10% | 50358-63-9 Brimonidine EP Impurity B|C4X-15662|50358-63-9 https://www.jk-sci.com/products/s57c4x-15665 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55c6d87e2e4d7879591b87ac693e8a16.jpg?v=1791376523 Brimonidine EP Impurity E, 80.10% | 168329-48-4 Brimonidine EP Impurity E|C4X-15665|168329-48-4 https://www.jk-sci.com/products/s57c4x-1567 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44532f5b409008101c2c72b9f2a4bed.jpg?v=1791376518 Brivanib, 95.10% | 649735-46-6 Brivanib|C4X-1567|649735-46-6 https://www.jk-sci.com/products/s57c4x-156624 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_767a75e1-a6b9-45f0-9f07-0c621af319ba.png?v=1791376534 Brimonidine Impurity 24, 99.70% Brimonidine Impurity 24|C4X-156624 https://www.jk-sci.com/products/s57c4x-156911 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515471.png?v=1791376517 Clotrimazole Impurity 11, 99.50% | 611-19-8 Clotrimazole Impurity 11|C4X-156911|611-19-8 https://www.jk-sci.com/products/s57c4x-156631 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eec2096d-fa7a-41c5-9f76-01e040b06780.png?v=1791376526 Brimonidine Impurity 31, 90.60% Brimonidine Impurity 31|C4X-156631 https://www.jk-sci.com/products/s57c4x-156922 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b18621813aa0c111f348ca1a212695.jpg?v=1791376512 Clotrimazole Impurity 22, 93.10% | 59154-29-9 Clotrimazole Impurity 22|C4X-156922|59154-29-9 https://www.jk-sci.com/products/s57c4x-156626 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9bd75d11-6ded-4eb4-8743-1d66469e7c7b.png?v=1791376529 Brimonidine Impurity 26, 97.90% Brimonidine Impurity 26|C4X-156626 https://www.jk-sci.com/products/s57c4x-157725 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34458dbfe9bf06718b81e3e52adf6eec.jpg?v=1791376461 Cefazolin EP Impurity J, 87.60% | 1675245-00-7 Cefazolin EP Impurity J|C4X-157725|1675245-00-7 https://www.jk-sci.com/products/s57c4x-157711 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7d2ddd003b7423517446cfc5ba1b879.jpg?v=1791376474 Cefazolin Impurity 11（Cefazolin USP Impurity E）, 92.40% | 478494-71-2 Cefazolin Impurity 11（Cefazolin USP Impurity E）|C4X-157711|478494-71-2 https://www.jk-sci.com/products/s57c4x-15693 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371713.png?v=1791376507 Clotrimazole EP Impurity C, 99.70% | 42074-68-0 Clotrimazole EP Impurity C|C4X-15693|42074-68-0 https://www.jk-sci.com/products/s57c4x-157541 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c89f6b48-63ba-476a-8eb5-abbb3f92b7dd.png?v=1791376476 Caspofungin for system suitability CRS 2, Purity: 97.6% Caspofungin for system suitability CRS 2|C4X-157541 https://www.jk-sci.com/products/s57c4x-157745 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2538232e-8cd6-4f46-b8e3-54cea7efd313.png?v=1791376456 Cefazolin USP Related Compound D(Diastereoisomer Mixture), 94.50% Cefazolin USP Related Compound D(Diastereoisomer Mixture)|C4X-157745 https://www.jk-sci.com/products/s57c4x-15743 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34f11d31b1d1751cf2cca5cc8a8598a.jpg?v=1791376488 Carvedilol EP impurity C, Purity: 99.9% | 72955-94-3 Carvedilol EP impurity C|C4X-15743|72955-94-3 https://www.jk-sci.com/products/s57c4x-157842 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609919_0e63228c-6878-431d-beba-5322f75ca6e5.png?v=1791376454 Cefoxitin, 94.80% | 35607-66-0 Cefoxitin|C4X-157842|35607-66-0 https://www.jk-sci.com/products/s57c4x-157721 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da792d51e41a92efcbfd41032ef8cf60.jpg?v=1791376467 Cefazolin EP Impurity G, 96.50% | 1172998-53-6 Cefazolin EP Impurity G|C4X-157721|1172998-53-6 https://www.jk-sci.com/products/s57c4x-15742 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6483a4be5aefc75cb6835b8a744637c1.jpg?v=1791376495 Carvedilol EP impurity B, 90.80% | 918903-20-5 Carvedilol EP impurity B|C4X-15742|918903-20-5 https://www.jk-sci.com/products/s57c4x-15713 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386987_598c311f-329e-4847-aa80-30695d49625c.png?v=1791376501 Camptothecin 7-Ethyl-10-Hydroxy Impurity, 95.50% | 86639-52-3 Camptothecin 7-Ethyl-10-Hydroxy Impurity|C4X-15713|86639-52-3 https://www.jk-sci.com/products/s57c4x-157410 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2807ff3b60ff1bcac887d3e623b4977.jpg?v=1791376495 Carvedilol impurity 10, Purity: 98.7% | 1276477-91-8 Carvedilol impurity 10|C4X-157410|1276477-91-8 https://www.jk-sci.com/products/s57c4x-157719 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15549954703a3ee5521c93ef47f94685.jpg?v=1791376466 Cefazolin EP Impurity D(Cefazolin USP RC J), 90.10% | 32510-61-5 Cefazolin EP Impurity D(Cefazolin USP RC J)|C4X-157719|32510-61-5 https://www.jk-sci.com/products/s57c4x-15711 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550528.png?v=1791376506 Camptothecin 10-Hydroxy Impurity, Purity: 99.2% | 19685-09-7 Camptothecin 10-Hydroxy Impurity|C4X-15711|19685-09-7 https://www.jk-sci.com/products/s57c4x-157524 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cabedc12d4e32f2ec6be0f23f56231a.jpg?v=1791376483 Caspofungin Impurity 24, Purity>95% | 1131958-73-0 Caspofungin Impurity 24|C4X-157524|1131958-73-0 https://www.jk-sci.com/products/a01315000 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315000.png?v=1787991763 5-Methoxyindole-2-carboxylic acid, 99% | 4382-54-1 5-Methoxyindole-2-carboxylic acid, 99%|315000|4382-54-1 https://www.jk-sci.com/products/ts246cs-0043120 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616863.png?v=1791343147 2-Amino-5-chlorobenzenesulfonic acid, 95% | 133-74-4 2-Amino-5-chlorobenzenesulfonic acid|CS-0043120|133-74-4 https://www.jk-sci.com/products/s57c4x-158223 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5bf237f4-5514-49ac-9398-a6f8f7bc08c7.png?v=1791376418 Cetirizine Impurity 23 XTFA salt, 78.60% Cetirizine Impurity 23 XTFA salt|C4X-158223 https://www.jk-sci.com/products/s57c4x-15796 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19a0c415fcf98d45f6152cb4d7c1fc33.jpg?v=1791376434 Cefpodoxime Proxetil EP Impurity F, 91.10% | 96680-30-7 Cefpodoxime Proxetil EP Impurity F|C4X-15796|96680-30-7 https://www.jk-sci.com/products/s57c4x-157910 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac5c3fa1-3536-431c-a745-64e863dc6067.png?v=1791376444 Cefpodoxime Proxetil Impurity 10, 97.70% Cefpodoxime Proxetil Impurity 10|C4X-157910 https://www.jk-sci.com/products/s57c4x-157941 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464210.png?v=1791376438 Cefpodoxime Proxetil Impurity 41, Purity: 95.6% | 98298-66-9 Cefpodoxime Proxetil Impurity 41|C4X-157941|98298-66-9 https://www.jk-sci.com/products/s57c4x-15793 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40360aed34cfa2dfc7a7e9ae21024ab6.jpg?v=1791376443 Cefpodoxime Proxetil EP Impurity C, purity：95% | 339528-86-8 Cefpodoxime Proxetil EP Impurity C|C4X-15793|339528-86-8 https://www.jk-sci.com/products/s57c4x-15798 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/056ece95727bb3f41636748362a79025.jpg?v=1791376431 Cefpodoxime Proxetil Impurity 8, 93.10% | 1192365-87-9 Cefpodoxime Proxetil Impurity 8|C4X-15798|1192365-87-9 https://www.jk-sci.com/products/s57c4x-1579 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c42bfc6eaa06e9e2ef9a126ef7f890b6.jpg?v=1791376450 Cefpodoxime Proxetil, 96.50% | 87239-81-4 Cefpodoxime Proxetil|C4X-1579|87239-81-4 https://www.jk-sci.com/products/s57c4x-158210 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449713_f463606f-afd0-41a8-b8d8-48f80928aa98.png?v=1791376427 Cetirizine Impurity 10, 99.60% | 1016-78-0 Cetirizine Impurity 10|C4X-158210|1016-78-0 https://www.jk-sci.com/products/s57c4x-158213 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87655806d18b21eaa21f49326ff9bcbd.jpg?v=1791376426 Cetirizine Impurity 13, 97.70% | 83881-37-2 Cetirizine Impurity 13|C4X-158213|83881-37-2 https://www.jk-sci.com/products/j5300438 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612a6769ca42a7fcd4ef1fea29dd9964.jpg?v=1791422981 Potassium phosphate dibasic, anhydrous, Assay by titration ≥ 98% | 7758-11-4 Potassium phosphate dibasic, anhydrous|00438|7758-11-4 https://www.jk-sci.com/products/ts246cs-0043141 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a13d75e8588320260df6d654175119d8_c3338224-f54f-4609-b447-189698ef8030.jpg?v=1791343133 cis-Ethyl 4-aminocyclohexanecarboxylate hydrochloride, 98.00%+ | 61367-17-7 cis-Ethyl 4-aminocyclohexanecarboxylate hydrochloride|CS-0043141|61367-17-7 https://www.jk-sci.com/products/ts246cs-0043152 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0b7a93a8debf1749f2b04161a7114be.jpg?v=1791343117 4-Bromo-3-methyl-1H-pyrrolo[2,3-b]pyridine, 97% | 1363382-02-8 4-Bromo-3-methyl-1H-pyrrolo[2,3-b]pyridine|CS-0043152|1363382-02-8 https://www.jk-sci.com/products/s57c4x-158224 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0301a95d-fada-45bd-812e-cdc992eb6c76.png?v=1791376416 Cetirizine Impurity 24 Fumarate, 89.30% Cetirizine Impurity 24 Fumarate|C4X-158224 https://www.jk-sci.com/products/s57c4x-158616 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615a31e03a0acf803dbd3ca25b774851.jpg?v=1791376412 Cholecalciferol EP Impurity F (Cholecalciferol Butyrate), 93.10% | 31316-20-8 Cholecalciferol EP Impurity F (Cholecalciferol Butyrate)|C4X-158616|31316-20-8 https://www.jk-sci.com/products/s57c4x-158625 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_125841fa-cf1b-4d9e-9cf6-ef9a62651ff4.png?v=1791376411 Cholecalciferol Impurity 25, 99.70% Cholecalciferol Impurity 25|C4X-158625 https://www.jk-sci.com/products/s57c4x-158910 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98141cf98a24388f3d2654444a1ef463.jpg?v=1791376399 Cimetidine EP Impurity J DiHCl, 96.00% | 38603-72-4 Cimetidine EP Impurity J DiHCl|C4X-158910|38603-72-4 https://www.jk-sci.com/products/s57c4x-15893 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45009d7a51f21b9fa9247ed5a4cc01e2.jpg?v=1791376389 Cimetidine EP Impurity C, Purity: 93.4% | 77076-18-7 Cimetidine EP Impurity C|C4X-15893|77076-18-7 https://www.jk-sci.com/products/s57c4x-15892 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eef3cc7374028a093cafaa2bb6f98c9f.jpg?v=1791376394 Cimetidine EP Impurity B, 99.60% | 138035-55-9 Cimetidine EP Impurity B|C4X-15892|138035-55-9 https://www.jk-sci.com/products/ts246cs-0043178 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ca4719c4d1e88a0dab4d615d558c61a.jpg?v=1791343061 Ethyl 2-cyclopropyl-6-oxo-1,6-dihydropyrimidine-5-carboxylate, 95.91%+ | 1044770-39-9 Ethyl 2-cyclopropyl-6-oxo-1,6-dihydropyrimidine-5-carboxylate|CS-0043178|1044770-39-9 https://www.jk-sci.com/products/s57c4x-15864 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d631e75d975d0556a329d80b91a197c.jpg?v=1791376405 Cholecalciferol EP Impurity D, 94.90% | 22350-43-2 Cholecalciferol EP Impurity D|C4X-15864|22350-43-2 https://www.jk-sci.com/products/s57c4x-159116 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbdd44341d50b9b60f282a0940906fd9_d86c1572-73cf-4a0e-94fa-7487f90c5cb2.jpg?v=1791376329 Parecoxib Impurity 16, 99.00% | 198471-06-6 Parecoxib Impurity 16|C4X-159116|198471-06-6 https://www.jk-sci.com/products/s57c4x-159044 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54fbfa938e214d5e04c7b1d9ef168089.jpg?v=1791376346 Safinamide Impurity 44, Purity: 99.8% | 172685-67-5 Safinamide Impurity 44|C4X-159044|172685-67-5 https://www.jk-sci.com/products/s57c4x-15918 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6efdbab9894b1db7b4a86b5888e69f78.jpg?v=1791376319 Parecoxib Impurity 8, 95.80% | 181696-35-5 Parecoxib Impurity 8|C4X-15918|181696-35-5 https://www.jk-sci.com/products/s57c4x-159144 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/017ecb79a653db2abf710e7f48ee0826.jpg?v=1791376329 Parecoxib Impurity 44, 95.60% | 2338845-31-9 Parecoxib Impurity 44|C4X-159144|2338845-31-9 https://www.jk-sci.com/products/s57c4x-159017 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d98c7cce71e8928d00cce48a002c0f93.jpg?v=1791376375 Safinamide Impurity 17, Purity: 99.1% | 1205608-96-3 Safinamide Impurity 17|C4X-159017|1205608-96-3 https://www.jk-sci.com/products/s57c4x-15896 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a03b9882ebada6739c1951f39db3be72.jpg?v=1791376382 Cimetidine EP Impurity F, 95.70% | 55272-86-1 Cimetidine EP Impurity F|C4X-15896|55272-86-1 https://www.jk-sci.com/products/s57c4x-159036 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/196e8501f6ced3a747900e1d89dfe9e4.jpg?v=1791376353 Safinamide mesylate, 100.00% | 202825-46-5 Safinamide mesylate|C4X-159036|202825-46-5 https://www.jk-sci.com/products/s57c4x-159022 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb71e40d6c7ce5704104277ddbaedfb1.jpg?v=1791376365 Safinamide Impurity 22, 99.80% | 1000370-31-9 Safinamide Impurity 22|C4X-159022|1000370-31-9 https://www.jk-sci.com/products/s57c4x-1591 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b68878403f0dd7dbed97989d84c4c15d_53032e20-ceaf-4cb3-9609-e3d23def38cd.jpg?v=1791376336 Parecoxib sodium, 94.40% | 198470-85-8 Parecoxib sodium|C4X-1591|198470-85-8 https://www.jk-sci.com/products/s57c4x-15903 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ed4325e-07ea-49da-84e4-b2b58d52d2b1.png?v=1791376363 Safinamide Impurity 3, 97.20% Safinamide Impurity 3|C4X-15903 https://www.jk-sci.com/products/s57c4x-159150 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1176876b9581a4c08f9ed677be0385c.jpg?v=1791376323 Parecoxib Impurity 50, 91.90% | 3026677-40-4 Parecoxib Impurity 50|C4X-159150|3026677-40-4 https://www.jk-sci.com/products/s57c4x-159032 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da4460492e3c219e9b3abd9bf5735cc2.jpg?v=1791376358 Safinamide Impurity 32, 99.00% | 133865-88-0 Safinamide Impurity 32|C4X-159032|133865-88-0 https://www.jk-sci.com/products/s57c4x-15898 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dc85fcd9c1d63f0a288c5baacea1a34.jpg?v=1791376383 Cimetidine EP Impurity H, 96.50% | 74886-59-2 Cimetidine EP Impurity H|C4X-15898|74886-59-2 https://www.jk-sci.com/products/s57c4x-15905 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/171ce728c78700d33e2dfb4b39ca89fd.jpg?v=1791376341 Safinamide Impurity 5, 99.90% | 690969-16-5 Safinamide Impurity 5|C4X-15905|690969-16-5 https://www.jk-sci.com/products/ts246cs-0043183 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70a731f4eb7eb094966360e6f7446cbd.jpg?v=1791343056 1-Chloro-9H-carbazole, 97.29%+ | 5599-70-2 1-Chloro-9H-carbazole|CS-0043183|5599-70-2 https://www.jk-sci.com/products/a01316213 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316213.png?v=1790211408 2-Fluoro-4-(trifluoromethyl)benzoic acid, 98% | 115029-24-8 2-Fluoro-4-(trifluoromethyl)benzoic acid, 98%|316213|115029-24-8 https://www.jk-sci.com/products/s57c4x-158917 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7440b48d4d59361bd6d1f6ac6ad302df.jpg?v=1791376398 Cimetidine EP Impurity A, Purity: 99.2% | 52378-40-2 Cimetidine EP Impurity A|C4X-158917|52378-40-2 https://www.jk-sci.com/products/ts246cs-0043163 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c22bc1495dd5c3e4e5f6884ea5a83e97.jpg?v=1791343104 (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate hydrochloride, 95% | 156046-05-8 (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate hydrochloride|CS-0043163|156046-05-8 https://www.jk-sci.com/products/s57c4x-159020 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459347_b23d0b39-4c94-44c4-a4a8-89a6b96924e3.png?v=1791376369 Safinamide Impurity 20, 99.60% | 4397-53-9 Safinamide Impurity 20|C4X-159020|4397-53-9 https://www.jk-sci.com/products/s57c4x-159210 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58ced5fef6e448645071f4b8121f034d.jpg?v=1791376315 Clobetasol Propionate EP Impurity J, 93.40% | 1486466-31-2 Clobetasol Propionate EP Impurity J|C4X-159210|1486466-31-2 https://www.jk-sci.com/products/s57c4x-159212 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d823c68822ad805fb2bad6b6aeb40a35.jpg?v=1791376313 Clobetasol Propionate Impurity 12, 98.10% | 3109-01-1 Clobetasol Propionate Impurity 12|C4X-159212|3109-01-1 https://www.jk-sci.com/products/s57c4x-15928 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9d78864b9c695286cbac31144f744a7.jpg?v=1791376303 Clobetasol Propionate EP Impurity H, 99.60% | 4351-48-8 Clobetasol Propionate EP Impurity H|C4X-15928|4351-48-8 https://www.jk-sci.com/products/s57c4x-15951 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a4955725b54c408c90db2441fbb4c20.jpg?v=1791376297 Cloperastine Impurity 1, Purity: 99.0% | 5630-78-4 Cloperastine Impurity 1|C4X-15951|5630-78-4 https://www.jk-sci.com/products/s57c4x-15931 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282723_49735181-7028-4569-a17a-e9678d862eb2.png?v=1791376303 Clofarabine Impurity 1, 99.60% | 1839-18-5 Clofarabine Impurity 1|C4X-15931|1839-18-5 https://www.jk-sci.com/products/s57c4x-159216 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec0b3e4f8c26e3578171441cc8f6208.jpg?v=1791376308 Clobetasol Propionate EP Impurity C, 99.30% | 25122-52-5 Clobetasol Propionate EP Impurity C|C4X-159216|25122-52-5 https://www.jk-sci.com/products/s57c4x-159712 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/070c2ec3d68e80a15df0ef8e5d4f29b2.jpg?v=1791376286 Cloxacillin EP Impurity E, 86.20% | 18704-55-7 Cloxacillin EP Impurity E|C4X-159712|18704-55-7 https://www.jk-sci.com/products/s57c4x-159612 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7b79c43bc172cee0d5b6f39415e88e1.jpg?v=1791376291 Butenafine Impurity 12, 96.40% | 88-03-9 Butenafine Impurity 12|C4X-159612|88-03-9 https://www.jk-sci.com/products/s57c4x-159718 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/320282.png?v=1791376285 Cloxacillin Impurity 18, Purity: 97.4% | 25629-50-9 Cloxacillin Impurity 18|C4X-159718|25629-50-9 https://www.jk-sci.com/products/s57c4x-15991 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133908_0aae6c5a-8031-4d90-b9b5-67b32297a3ba.png?v=1791376280 Cyclobenzaprine Impurity 1, 96.10% | 1210-35-1 Cyclobenzaprine Impurity 1|C4X-15991|1210-35-1 https://www.jk-sci.com/products/s57c4x-16016 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831a3799be926cfe3147edfcc51d0247.jpg?v=1791376274 Cyproterone Impurity 6, 98.00% | 2668-75-9 Cyproterone Impurity 6|C4X-16016|2668-75-9 https://www.jk-sci.com/products/s57c4x-160624 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc14c76c18bde67c4d108695e1644ee4.jpg?v=1791376263 Darunavir Impurity 24, 99.20% | 1971057-59-6 Darunavir Impurity 24|C4X-160624|1971057-59-6 https://www.jk-sci.com/products/s57c4x-160631 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6645681eadb78a143bb4a40b404bace.jpg?v=1791376263 Darunavir impurity 31, 95.60% | 1291087-81-4 Darunavir impurity 31|C4X-160631|1291087-81-4 https://www.jk-sci.com/products/s57c4x-160740 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549998_1d6d300e-1620-4c42-9819-bda101c884ef.png?v=1791376254 Dasatinib Impurity 40, 99.50% | 103-76-4 Dasatinib Impurity 40|C4X-160740|103-76-4 https://www.jk-sci.com/products/s57c4x-160751 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c22941907ee657dd252bbe38eaa95be.jpg?v=1791376250 Dasatinib-d8, Purity>95% | 1132093-70-9 Dasatinib-d8|C4X-160751|1132093-70-9 https://www.jk-sci.com/products/s57c4x-16111 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380042.png?v=1791376249 Pheniramine Maleate （Dexchlorpheniramine EP Impurity A Maleate Salt）, 98.90% | 132-20-7 Pheniramine Maleate （Dexchlorpheniramine EP Impurity A Maleate Salt）|C4X-16111|132-20-7 https://www.jk-sci.com/products/s57c4x-152268 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_16c62af6-2b18-4ed6-8c80-be8259dcbf27.png?v=1791376890 Aztreonam impurity 68, 89.40% Aztreonam impurity 68|C4X-152268 https://www.jk-sci.com/products/s57c4x-151313 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d79519ecb8f3e5121242d72aa89e041.jpg?v=1791377079 Doxofylline Impurity 13, 98.00% | 43135-57-5 Doxofylline Impurity 13|C4X-151313|43135-57-5 https://www.jk-sci.com/products/s57c4x-16123 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420738.png?v=1791376240 2,3-dimethylpyridine, 98.90% | 583-61-9 2,3-dimethylpyridine|C4X-16123|583-61-9 https://www.jk-sci.com/products/s57c4x-15154 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc90a0601c892b18aac1ec35132f4de7.jpg?v=1791376982 Mycophenolate Mofetil EP Impurity E, Purity: 100.0% | 31858-66-9 Mycophenolate Mofetil EP Impurity E|C4X-15154|31858-66-9 https://www.jk-sci.com/products/s57c4x-15252 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f07f924e9e1e2840f5b234ae7229f35.jpg?v=1791376851 Formoterol EP Impurity B, 93.80% | 1224588-66-2 Formoterol EP Impurity B|C4X-15252|1224588-66-2 https://www.jk-sci.com/products/s57c4x-15113 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8127e13ccfdef31b5bae14827afea63a.jpg?v=1791377097 Mirtazapine EP Impurity A, 88.10% | 155172-12-6 Mirtazapine EP Impurity A|C4X-15113|155172-12-6 https://www.jk-sci.com/products/s57c4x-15232 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817cdb79da85e9b09cca01616921057c.jpg?v=1791376874 Rebamipide Impurity 2, Purity: 99.6% | 90098-06-9 Rebamipide Impurity 2|C4X-15232|90098-06-9 https://www.jk-sci.com/products/s57c4x-152660 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/548872_0b41b9e7-adfe-4238-a09d-b3f3055c0457.png?v=1791376812 Thioctic acid impurity 60, Purity: 99.8% | 105484-55-7 Thioctic acid impurity 60|C4X-152660|105484-55-7 https://www.jk-sci.com/products/s57c4x-152585 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b40db68-3a07-4fcd-9cb0-95f09ed9b052.png?v=1791376829 N-Nitroso Formoterol, 98.10% N-Nitroso Formoterol|C4X-152585 https://www.jk-sci.com/products/s57c4x-152640 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd8a91afd6594f5521530534c0b38e3b.jpg?v=1791376823 Thioctic acid Impurity 40, 98.40% | 91009-31-3 Thioctic acid Impurity 40|C4X-152640|91009-31-3 https://www.jk-sci.com/products/s57c4x-15315 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45589373b027f9e86ee920b9698fbdef.jpg?v=1791376794 Aceclofenac Methyl Ester (Aceclofenac EP Impurity D), 99.10% | 139272-66-5 Aceclofenac Methyl Ester (Aceclofenac EP Impurity D)|C4X-15315|139272-66-5 https://www.jk-sci.com/products/s57c4x-152713 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f24f3fd8-1510-490d-9042-6c788bb9c8b9.png?v=1791376808 Abacavir Impurity 13, 96.10% Abacavir Impurity 13|C4X-152713 https://www.jk-sci.com/products/s57c4x-153213 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ea06848a-3a5d-4b09-83f0-9a2536c594f0.png?v=1791376788 Acetylcysteine Impurity 13, 95.00% Acetylcysteine Impurity 13|C4X-153213 https://www.jk-sci.com/products/s57c4x-153235 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475960_38762e88-77b6-43aa-b417-10bb3ca29d8c.png?v=1791376768 Acetylcysteine Impurity 35, 97.30% | 52-90-4 Acetylcysteine Impurity 35|C4X-153235|52-90-4 https://www.jk-sci.com/products/s57c4x-153241 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da9fe6f3dc2ca9a5a20237254b5e6301.jpg?v=1791376757 Acetylcysteine Impurity 41, 72.80% | 13100-82-8 Acetylcysteine Impurity 41|C4X-153241|13100-82-8 https://www.jk-sci.com/products/s57c4x-153228 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17a1e0a9-66b1-4437-845a-66df1794fbd0.png?v=1791376774 N,N'-Diacetyl-L-Lanthionine, 96.40% N,N'-Diacetyl-L-Lanthionine|C4X-153228 https://www.jk-sci.com/products/s57c4x-153912 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1ec0bbc9846d1c8b28959a20fc13b00_861babe2-e7fe-4856-908f-1670d376af62.jpg?v=1791376727 Alverine EP Impurity E HCl, 93.20% | 878784-75-9 Alverine EP Impurity E HCl|C4X-153912|878784-75-9 https://www.jk-sci.com/products/s57c4x-1536 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279472_cf3445d8-91ec-4a7a-9c78-4fe7f6c12f24.png?v=1791376733 Alfuzosin Hydrochloride, 95.00% | 81403-68-1 Alfuzosin Hydrochloride|C4X-1536|81403-68-1 https://www.jk-sci.com/products/s57c4x-15415 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124410_9946e946-35e1-4905-b559-af08aa785b62.png?v=1791376708 Amitriptyline EP Impurity D, Purity: 99.7% | 1159-03-1 Amitriptyline EP Impurity D|C4X-15415|1159-03-1 https://www.jk-sci.com/products/s57c4x-15395 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363724_d22f798d-6e42-4f05-bda6-b5a54e4df70e.png?v=1791376713 Alverine Citrate, 98.40% | 5560-59-8 Alverine Citrate|C4X-15395|5560-59-8 https://www.jk-sci.com/products/s57c4x-15353 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5787d6b4c59548ab053f57dedea963d3_600f779a-9141-4bf2-9ef9-9df241828a16.jpg?v=1791376747 Albendazole EP Impurity C, 98.30% | 75184-71-3 Albendazole EP Impurity C|C4X-15353|75184-71-3 https://www.jk-sci.com/products/s57c4x-154212 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1898bc5c-eac1-4578-b4ff-3d3f0fc1b7e7.png?v=1791376698 Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers), 98.30% Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers)|C4X-154212 https://www.jk-sci.com/products/s57c4x-15424 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eaf515b4-6c6f-416b-848b-562c840026bc.png?v=1791376686 Amorolfine EP Impurity A(Mixture of Enantiomers), 90.40% Amorolfine EP Impurity A(Mixture of Enantiomers)|C4X-15424 https://www.jk-sci.com/products/s57c4x-154223 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_028369e8-9a12-4b0e-9ed8-ebd316c2ba9b.png?v=1791376691 Amorofen EP impurity K HCI, 96.90% Amorofen EP impurity K HCI|C4X-154223 https://www.jk-sci.com/products/s57c4x-15428 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cd94095a617361c4510c7c2844fb5b7.jpg?v=1791376676 Amorolfine EP Impurity B, 97.60% | 142347-84-0 Amorolfine EP Impurity B|C4X-15428|142347-84-0 https://www.jk-sci.com/products/s57c4x-15492 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488309_52488bdd-e720-46f1-b5ca-634c742a17d6.png?v=1791376664 Atenolol EP Impurity B, 94.50% | 61698-76-8 Atenolol EP Impurity B|C4X-15492|61698-76-8 https://www.jk-sci.com/products/s57c4x-15473 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/955bfa1385b4f897d969f253c9987072.jpg?v=1791376669 Artesunate Impurity 3, 96.90% | 82596-30-3 Artesunate Impurity 3|C4X-15473|82596-30-3 https://www.jk-sci.com/products/s57c4x-155011 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2264f6a9573b50436851be4656a59c6a.jpg?v=1791376637 Atomoxetine USP Related Compound B HCl (Racemic), Purity: 98.9% | 873310-28-2 Atomoxetine USP Related Compound B HCl (Racemic)|C4X-155011|873310-28-2 https://www.jk-sci.com/products/s57c4x-15512 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/022aad2b00c671575e03bfabba956206.jpg?v=1791376616 Atovaquone EP Impurity B, 98.00% | 137732-39-9 Atovaquone EP Impurity B|C4X-15512|137732-39-9 https://www.jk-sci.com/products/s57c4x-15497 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a366136a5109606eb0d49d5809814cea.jpg?v=1791376653 Atenolol EP Impurity G, 93.40% | 56392-14-4 Atenolol EP Impurity G|C4X-15497|56392-14-4 https://www.jk-sci.com/products/s57c4x-155029 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e4ef6f8a-26fe-4819-a58d-e1ef25ad0d25.png?v=1791376630 Atomoxetine Impurity 29, 99.90% Atomoxetine Impurity 29|C4X-155029 https://www.jk-sci.com/products/s57c4x-15504 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc7da9a8530d93442dd6c3a453bd265.jpg?v=1791376622 Atomoxetine EP Impurity D HCl, 97.20% | 1643684-05-2 Atomoxetine EP Impurity D HCl|C4X-15504|1643684-05-2 https://www.jk-sci.com/products/s57c4x-15584 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d42cfdcd1cac8854665e9260b0fd28f.jpg?v=1791376608 Benzenesulfonic Impurity 4, Purity: 96.3% | 55034-26-9 Benzenesulfonic Impurity 4|C4X-15584|55034-26-9 https://www.jk-sci.com/products/s57c4x-156011 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c55645a4a61348dc83fc95f4140fcf7.jpg?v=1791376599 Bifonazole impurity 11, 99.40% | 73842-48-5 Bifonazole impurity 11|C4X-156011|73842-48-5 https://www.jk-sci.com/products/s57c4x-15609 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80c05db40c3b9631548602e1740cb902.jpg?v=1791376583 Bifonazole Impurity 9, 88.90% | 7515-73-3 Bifonazole Impurity 9|C4X-15609|7515-73-3 https://www.jk-sci.com/products/s57c4x-15603 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43c261f445035d4aad7495a2ce4c41d3.jpg?v=1791376588 Bifonazole EP Impurity B, 98.20% | 91679-37-7 Bifonazole EP Impurity B|C4X-15603|91679-37-7 https://www.jk-sci.com/products/s57c4x-15633 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86b8d3c378f18ee3b9f5dc5b15d18ac3.jpg?v=1791376564 Biotin EP Impurity A, 93.70% | 1163708-46-0 Biotin EP Impurity A|C4X-15633|1163708-46-0 https://www.jk-sci.com/products/s57c4x-156317 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b00ff9291bd2079099ee51e7c479103.jpg?v=1791376576 Biotin EP Impurity H (Mixture of Diastereomers), 92.90% | 2714810-33-8 Biotin EP Impurity H (Mixture of Diastereomers)|C4X-156317|2714810-33-8 https://www.jk-sci.com/products/s57c4x-156614 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427165_0e2e4896-8e7a-442f-af52-058040d45c7f.png?v=1791376546 Brimonidine Tartrate, 97.20% | 70359-46-5 Brimonidine Tartrate|C4X-156614|70359-46-5 https://www.jk-sci.com/products/s57c4x-15645 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59d14a2020e403fd759edfe1f69a3c28_63c76b87-0c44-45b3-8dcf-ed9f76de1d36.jpg?v=1791376555 Bosentan hydrate, 98.70% | 157212-55-0 Bosentan hydrate|C4X-15645|157212-55-0 https://www.jk-sci.com/products/s57c4x-156622 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149201_09992310-8295-4c1a-8271-636639ceb4b2.png?v=1791376534 Brimonidine Impurity 22, 98.90% | 134892-46-9 Brimonidine Impurity 22|C4X-156622|134892-46-9 https://www.jk-sci.com/products/s57c4x-15663 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317260_ba7801e8-c357-43d1-8b9e-24fe5a9a8cd2.png?v=1791376528 Brimonidine EP Impurity C, 99.70% | 6298-37-9 Brimonidine EP Impurity C|C4X-15663|6298-37-9 https://www.jk-sci.com/products/s57c4x-15692 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341c9b4f5487e500e43f4dbadf08ae7d.jpg?v=1791376513 Clotrimazole EP Impurity B, 99.20% | 23593-71-7 Clotrimazole EP Impurity B|C4X-15692|23593-71-7 https://www.jk-sci.com/products/s57c4x-15669 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1b99269f7cff6aee09f0af2d97257f5.jpg?v=1791376522 Brimonidine EP Impurity A, 99.20% | 91147-43-2 Brimonidine EP Impurity A|C4X-15669|91147-43-2 https://www.jk-sci.com/products/s57c4x-15696 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265131_df962b76-2632-4ab6-bdcb-d5f53e693985.png?v=1791376507 Clotrimazole EP Impurity F, 98.30% | 15469-97-3 Clotrimazole EP Impurity F|C4X-15696|15469-97-3 https://www.jk-sci.com/products/s57c4x-15741 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d8a5da62-17ee-45f1-bda3-8626dd7ea7af.png?v=1791376501 Carvedilol EP impurity A DiHCl, 76.20% Carvedilol EP impurity A DiHCl|C4X-15741 https://www.jk-sci.com/products/s57c4x-157532 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f13f3485-d5af-46c0-a3d1-3ec91a591406.png?v=1791376477 Caspofungin EP Impurity G Acetate, 93.20% Caspofungin EP Impurity G Acetate|C4X-157532 https://www.jk-sci.com/products/s57c4x-157427 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb53e48a7fe4161862d92bdccd6f03d5.jpg?v=1791376488 Carvedilol Impurity 27, Purity: 96.2% | 1059573-38-4 Carvedilol Impurity 27|C4X-157427|1059573-38-4 https://www.jk-sci.com/products/s57c4x-157718 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc75eae3300fbf763507d19888db98db.jpg?v=1791376471 Cefazolin EP Impurity C, 93.70% | 56842-77-4 Cefazolin EP Impurity C|C4X-157718|56842-77-4 https://www.jk-sci.com/products/s57c4x-157723 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252264_9f3be18a-702b-4072-b4bd-c4a135a8a45b.png?v=1791376461 Cefazolin EP Impurity A, 99.20% | 30246-33-4 Cefazolin EP Impurity A|C4X-157723|30246-33-4 https://www.jk-sci.com/products/s57c4x-15778 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b02dae96-3169-4809-83e3-7e7c17780409.png?v=1791376454 Cefazolin USP RC B, 96.60% Cefazolin USP RC B|C4X-15778 https://www.jk-sci.com/products/s57c4x-15791 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6709e4af383a19be23de9e3f1dade027.jpg?v=1791376452 Cefpodoxime Proxetil EP Impurity A, 93.80% | 80210-62-4 Cefpodoxime Proxetil EP Impurity A|C4X-15791|80210-62-4 https://www.jk-sci.com/products/s57c4x-15794 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de139108c08cf5dcdc513cdaa26ccb0f.jpg?v=1791376439 Cefpodoxime Proxetil EP Impurity D, 95.70% | 947692-13-9 Cefpodoxime Proxetil EP Impurity D|C4X-15794|947692-13-9 https://www.jk-sci.com/products/s57c4x-158211 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4f253602-1246-4783-97f1-75618ef22fb9.png?v=1791376424 Cetirizine Impurity 11 HCl (Mixture of alpha and beta Isomers), 93.60% Cetirizine Impurity 11 HCl (Mixture of alpha and beta Isomers)|C4X-158211 https://www.jk-sci.com/products/s57c4x-15797 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13e206245a68fc44ffdedab329ee77f9.jpg?v=1791376432 Cefpodoxime Proxetil EP Impurity G, Purity: 98.7% | 947692-15-1 Cefpodoxime Proxetil EP Impurity G|C4X-15797|947692-15-1 https://www.jk-sci.com/products/s57c4x-158911 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd6eae5f6d28adbc0602afbd30f860fb.jpg?v=1791376399 Cimetidine EP Impurity C Dihydrochloride, 90.00% | 52568-80-6 Cimetidine EP Impurity C Dihydrochloride|C4X-158911|52568-80-6 https://www.jk-sci.com/products/s57c4x-15861 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c609f5f61c0828fd90b21d983c2df13.jpg?v=1791376420 Cholecalciferol EP Impurity A, 74.70% | 22350-41-0 Cholecalciferol EP Impurity A|C4X-15861|22350-41-0 https://www.jk-sci.com/products/s57c4x-158921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55b21ca90b17dbf2cf07f117e7626ad9.jpg?v=1791376393 Cimetidine Impurity 21, Purity: 98.5% | 182685-55-8 Cimetidine Impurity 21|C4X-158921|182685-55-8 https://www.jk-sci.com/products/s57c4x-15863 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c35ef8c3bd55e750a35ff50fe692b21.jpg?v=1791376407 Cholecalciferol EP Impurity C, 98.20% | 5226-01-7 Cholecalciferol EP Impurity C|C4X-15863|5226-01-7 https://www.jk-sci.com/products/ts246cs-0043197 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597017.png?v=1791343043 Methyl 4-methoxy-2-methylbenzoate, 98% | 35598-05-1 Methyl 4-methoxy-2-methylbenzoate|CS-0043197|35598-05-1 https://www.jk-sci.com/products/s57c4x-15897 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02895342c51aacde44b6ead87520c0c3.jpg?v=1791376382 Cimetidine EP Impurity G, 98.40% | 31857-31-5 Cimetidine EP Impurity G|C4X-15897|31857-31-5 https://www.jk-sci.com/products/s57c4x-159029 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9c0b5526fe781792cfc036a346436f9.jpg?v=1791376364 Safinamide Impurity 29, 97.60% | 133865-32-4 Safinamide Impurity 29|C4X-159029|133865-32-4 https://www.jk-sci.com/products/s57c4x-15902 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09abe8dd15b3e530cf2f83d961be0c06.jpg?v=1791376376 Safinamide Impurity 2, 96.70% | 1160513-60-9 Safinamide Impurity 2|C4X-15902|1160513-60-9 https://www.jk-sci.com/products/ts246cs-0043247 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791516.png?v=1791343028 (2-Bromothiophen-3-yl)methanol, 97% | 70260-16-1 (2-Bromothiophen-3-yl)methanol|CS-0043247|70260-16-1 https://www.jk-sci.com/products/ts246cs-0043302 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447bd721f44bb94dc196f09b667f6dbd.jpg?v=1791343009 4-Methoxypyrimidine-5-carboxylic acid, 96.00%+ | 72411-89-3 4-Methoxypyrimidine-5-carboxylic acid|CS-0043302|72411-89-3 https://www.jk-sci.com/products/s57c4x-159033 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447401_e96addd1-ac35-4144-8c73-6ffd545ce111.png?v=1791376358 Safinamide Impurity 33, 98.90% | 405-85-6 Safinamide Impurity 33|C4X-159033|405-85-6 https://www.jk-sci.com/products/s57c4x-159114 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0042d70f8f9e3f47cbaecd49ae813bc.jpg?v=1791376334 Parecoxib Impurity 14, 99.20% | 1709956-89-7 Parecoxib Impurity 14|C4X-159114|1709956-89-7 https://www.jk-sci.com/products/s57c4x-159049 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9f7dcf73f4e479490fe78983f2063e9.jpg?v=1791376340 Safinamide impurity 49, Purity: 96.6% | 1843368-38-6 Safinamide impurity 49|C4X-159049|1843368-38-6 https://www.jk-sci.com/products/s57c4x-159149 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276e9f1c71c2b8b690b6594df12f8e28.jpg?v=1791376323 Parecoxib, 99.90% | 198470-84-7 Parecoxib|C4X-159149|198470-84-7 https://www.jk-sci.com/products/s57c4x-1612 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7de40c7dcdbfe50795c65b90d7a53dc.jpg?v=1791376245 Dexlansoprazole, 92.80% | 138530-94-6 Dexlansoprazole|C4X-1612|138530-94-6 https://www.jk-sci.com/products/s57c4x-15921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160c9643d3706cdd892e7ef6e25e4056_a5b1516d-5d2f-466e-b785-214100a4e1d5.jpg?v=1791376318 Clobetasol Propionate EP Impurity A, 95.30% | 5534-13-4 Clobetasol Propionate EP Impurity A|C4X-15921|5534-13-4 https://www.jk-sci.com/products/s57c4x-159213 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e0d6f9b203935b25d074a47a30e060a.jpg?v=1791376309 Clobetasol Propionate EP Impurity B, 99.40% | 1356190-17-4 Clobetasol Propionate EP Impurity B|C4X-159213|1356190-17-4 https://www.jk-sci.com/products/s57c4x-15929 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2940518e4dab88f31a6c698f399af44b.jpg?v=1791376303 Clobetasol Propionate EP Impurity I, 99.10% | 15423-80-0 Clobetasol Propionate EP Impurity I|C4X-15929|15423-80-0 https://www.jk-sci.com/products/s57c4x-15952 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c8766e9d7c05fa243f0138dc9b61682.jpg?v=1791376297 Cloperastine Impurity 2, Purity: 98.9% | 4960-10-5 Cloperastine Impurity 2|C4X-15952|4960-10-5 https://www.jk-sci.com/products/s57c4x-159717 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f319f7ba1161e40649270041ca67ebc.jpg?v=1791376286 Cloxacillin Impurity 17, 75.90% | 91059-01-7 Cloxacillin Impurity 17|C4X-159717|91059-01-7 https://www.jk-sci.com/products/s57c4x-16011 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608ffb85560c1627150d9aa984764b60.jpg?v=1791376279 Cyproterone Acetate EP Impurity I, 99.90% | 13698-49-2 Cyproterone Acetate EP Impurity I|C4X-16011|13698-49-2 https://www.jk-sci.com/products/s57c4x-160628 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792616_ba66d90e-7788-4fb9-a8be-20c7980ddf41.png?v=1791376262 Darunavir, Purity: 100.0% | 206361-99-1 Darunavir|C4X-160628|206361-99-1 https://www.jk-sci.com/products/s57c4x-16131 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325934_aa857fa2-bd80-44f2-a89c-4efcba8dff43.png?v=1791376238 Dexpanthenol Racemate, Purity: 99.6% | 16485-10-2 Dexpanthenol Racemate|C4X-16131|16485-10-2 https://www.jk-sci.com/products/s57c4x-161312 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432489.png?v=1791376232 Dexpanthenol Impurity 12, Purity: 97.7% | 13031-04-4 Dexpanthenol Impurity 12|C4X-161312|13031-04-4 https://www.jk-sci.com/products/s57c4x-160741 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39040931f2b36613e59f19088f4999e4.jpg?v=1791376251 Dasatinib Impurity 41, 95.90% | 863127-76-8 Dasatinib Impurity 41|C4X-160741|863127-76-8 https://www.jk-sci.com/products/s57c4x-16132 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e799ebd5948d3210f03dc4c6cd6591c.jpg?v=1791376228 Dexpanthenol Impurity 2, Purity: 86.9% | 18679-90-8 Dexpanthenol Impurity 2|C4X-16132|18679-90-8 https://www.jk-sci.com/products/s57c4x-161315 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151452_66c85de6-1ff1-4257-84d7-7473a1148916.png?v=1791376226 Dexpanthenol, 98.50% | 81-13-0 Dexpanthenol|C4X-161315|81-13-0 https://www.jk-sci.com/products/s57c4x-1618 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396931_e5187ab3-13c0-4821-a3ab-3cecfe3638c3.png?v=1791376221 Dipyridamole, 99.20% | 58-32-2 Dipyridamole|C4X-1618|58-32-2 https://www.jk-sci.com/products/s57c4x-16184 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2ff20e6c09061bd03e4b1b846c52690.jpg?v=1791376211 Dipyridamole EP Impurity D, Purity: 95.2% | 1176886-12-6 Dipyridamole EP Impurity D|C4X-16184|1176886-12-6 https://www.jk-sci.com/products/s57c4x-1619 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f946744363a5d000cb7eca4569975001.jpg?v=1791376206 Docetaxel (Anhydrous), 98.40% | 114977-28-5 Docetaxel (Anhydrous)|C4X-1619|114977-28-5 https://www.jk-sci.com/products/s57c4x-16182 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da730d6bfc1710aaf72364fe0267a098.jpg?v=1791376215 Dipyridamole EP Impurity B, 94.20% | 16908-47-7 Dipyridamole EP Impurity B|C4X-16182|16908-47-7 https://www.jk-sci.com/products/s57c4x-16194 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e10cf40ffe70b0acd8dba705778da05.jpg?v=1791376200 Docetaxel EP Impurity D, 96.30% | 162784-72-7 Docetaxel EP Impurity D|C4X-16194|162784-72-7 https://www.jk-sci.com/products/s57c4x-161937 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ec747ce28e4194a1f653649369406de.jpg?v=1791376205 Docetaxel Impurity 37, Purity: 98.9% | 172018-16-5 Docetaxel Impurity 37|C4X-161937|172018-16-5 https://www.jk-sci.com/products/s57c4x-161955 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bdb780481109e058b396d8a06ef9511.jpg?v=1791376193 Docetaxel Impurity 55, 93.30% | 173101-59-2 Docetaxel Impurity 55|C4X-161955|173101-59-2 https://www.jk-sci.com/products/s57c4x-16195 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553230.png?v=1791376195 Docetaxel EP Impurity E, 95.40% | 32981-86-5 Docetaxel EP Impurity E|C4X-16195|32981-86-5 https://www.jk-sci.com/products/s57c4x-162011 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d81a37d3060aa78828d26460dee8852d.jpg?v=1791376184 Dolutegravir Impurity 11, Purity: 99.2% | 1973402-05-9 Dolutegravir Impurity 11|C4X-162011|1973402-05-9 https://www.jk-sci.com/products/s57c4x-1620 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76aae883bb35e77635aec614820b732b.jpg?v=1791376190 Dolutegravir, 99.30% | 1051375-16-6 Dolutegravir|C4X-1620|1051375-16-6 https://www.jk-sci.com/products/s57c4x-16204 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e365a3d1a406a2030dc16e3c8bb86d0.jpg?v=1791376183 Dolutegravir Impurity 4, 97.60% | 1357289-37-2 Dolutegravir Impurity 4|C4X-16204|1357289-37-2 https://www.jk-sci.com/products/s57c4x-16208 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e3c201c10ba14ca02bae63fa5f5be33.jpg?v=1791376175 Dolutegravir Impurity 8, 96.10% | 1863916-88-4 Dolutegravir Impurity 8|C4X-16208|1863916-88-4 https://www.jk-sci.com/products/s57c4x-16234 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370693_087ed2ab-5331-4689-a034-a39e3ad83a35.png?v=1791376163 Doxazosin EP Impurity D, 98.90% | 28888-44-0 Doxazosin EP Impurity D|C4X-16234|28888-44-0 https://www.jk-sci.com/products/s57c4x-16232 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/516749.png?v=1791376170 Doxazosin EP Impurity B, 99.00% | 70918-74-0 Doxazosin EP Impurity B|C4X-16232|70918-74-0 https://www.jk-sci.com/products/s57c4x-1623 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340964.png?v=1791376174 Doxazosin Mesylate, 96.50% | 77883-43-3 Doxazosin Mesylate|C4X-1623|77883-43-3 https://www.jk-sci.com/products/s57c4x-1624 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246075.png?v=1791376159 Drospirenone, 99.60% | 67392-87-4 Drospirenone|C4X-1624|67392-87-4 https://www.jk-sci.com/products/s57c4x-16246 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5256fddd000ae006fa2352bb0c650795.jpg?v=1791376150 Drospirenone EP Impurity G, 94.60% | 932388-90-4 Drospirenone EP Impurity G|C4X-16246|932388-90-4 https://www.jk-sci.com/products/s57c4x-16271 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e608f2e8daf466abdfe9ac8a7c35d8e.jpg?v=1791376144 Efavirenz Impurity 1, 97.90% | 353270-77-6 Efavirenz Impurity 1|C4X-16271|353270-77-6 https://www.jk-sci.com/products/s57c4x-1626 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557190.png?v=1791376152 Ecabet sodium, Purity: 99.9% | 86408-72-2 Ecabet sodium|C4X-1626|86408-72-2 https://www.jk-sci.com/products/s57c4x-162711 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_405f02dc-7324-49f6-87f9-e3cfbaf5d2fe.png?v=1791376140 Efavirenz Impurity 11, 97.40% Efavirenz Impurity 11|C4X-162711 https://www.jk-sci.com/products/s57c4x-162715 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105500_e37e4530-0bdd-45fa-b7ab-bdfbe8961986.png?v=1791376139 Efavirenz Impurity 15, 99.30% | 127641-25-2 Efavirenz Impurity 15|C4X-162715|127641-25-2 https://www.jk-sci.com/products/s57c4x-162721 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1ac814a49d12f53dd4684029ea82b8a.jpg?v=1791376133 Efavirenz Related Compound C, 98.90% | 391860-73-4 Efavirenz Related Compound C|C4X-162721|391860-73-4 https://www.jk-sci.com/products/s57c4x-162724 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_30710d74-83f2-43df-ba9d-e398bef51197.png?v=1791376130 Efavirenz Impurity 24, 97.30% Efavirenz Impurity 24|C4X-162724 https://www.jk-sci.com/products/s57c4x-16274 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91de23f0206acaa906580be31dc8e1b8.jpg?v=1791376126 Efavirenz Impurity 4, 97.90% | 174819-21-7 Efavirenz Impurity 4|C4X-16274|174819-21-7 https://www.jk-sci.com/products/s57c4x-16278 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f49cbb0a438f1713c26a44233840689d.jpg?v=1791376121 Efavirenz Impurity 8, 99.70% | 211563-40-5 Efavirenz Impurity 8|C4X-16278|211563-40-5 https://www.jk-sci.com/products/s57c4x-16282 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a14981b4-4828-436c-be83-2b4600b3d871.png?v=1791376115 Enrofloxacin EP Impurity C HCl, Purity: 85.0% Enrofloxacin EP Impurity C HCl|C4X-16282 https://www.jk-sci.com/products/s57c4x-162916 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b19124ee8240c5c931b87d5a9906574.jpg?v=1791376103 Entacapone EP Impurity I, Purity: 98.5% | 1364322-42-8 Entacapone EP Impurity I|C4X-162916|1364322-42-8 https://www.jk-sci.com/products/s57c4x-16292 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f0a5e80344f8dc834193f8bfcf9bf76.jpg?v=1791376097 Entacapone Impurity 2, 97.70% | 150995-46-3 Entacapone Impurity 2|C4X-16292|150995-46-3 https://www.jk-sci.com/products/s57c4x-1629 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374228.png?v=1791376108 Entacapone, 98.90% | 130929-57-6 Entacapone|C4X-1629|130929-57-6 https://www.jk-sci.com/products/s57c4x-162924 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee824f1e9401b86b81801b22e54b68ca.jpg?v=1791376097 Entacapone Impurity 24, 99.70% | 4097-63-6 Entacapone Impurity 24|C4X-162924|4097-63-6 https://www.jk-sci.com/products/s57c4x-162914 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f5bad265e2b8be48322b0bd71cca9fe.jpg?v=1791376109 Entacapone EP Impurity G, 90.70% | 1364322-41-7 Entacapone EP Impurity G|C4X-162914|1364322-41-7 https://www.jk-sci.com/products/s57c4x-16293 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cac1d00d141fcf9d49c055b944866f24.jpg?v=1791376092 Entacapone Impurity 3, 92.90% | 160391-70-8 Entacapone Impurity 3|C4X-16293|160391-70-8 https://www.jk-sci.com/products/s57c4x-16294 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496d70bf1289d53298d3eaa9293f7cdb.jpg?v=1791376086 Entacapone EP Impurity D, Purity: 99.5% | 857629-79-9 Entacapone EP Impurity D|C4X-16294|857629-79-9 https://www.jk-sci.com/products/s57c4x-162947 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1e2c2bc-cc9b-4e3c-b618-5d2b7d52d12e.png?v=1791376082 Entacapone impurity 47, Purity: 97.0% Entacapone impurity 47|C4X-162947 https://www.jk-sci.com/products/s57c4x-16298 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/774a0b69f11dd9c59c4243480468a5fd.jpg?v=1791376072 Entacapone EP Impurity H, Purity: 99.8% | 1150310-15-8 Entacapone EP Impurity H|C4X-16298|1150310-15-8 https://www.jk-sci.com/products/s57c4x-16296 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137e9ea0715070a9a2c27631ad38b8c7.jpg?v=1791376076 Entacapone Impurity 6, 94.70% | 158693-01-7 Entacapone Impurity 6|C4X-16296|158693-01-7 https://www.jk-sci.com/products/s57c4x-16302 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f1dba9b79a3e4e9806c9056d4573b5.jpg?v=1791376071 Eplerenone EP Impurity B, Purity: 98.5% | 192704-82-8 Eplerenone EP Impurity B|C4X-16302|192704-82-8 https://www.jk-sci.com/products/s57c4x-16304 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b20a6de0b417feac540c20894d07de11.jpg?v=1791376066 Eplerenone EP Impurity D, 94.00% | 209253-82-7 Eplerenone EP Impurity D|C4X-16304|209253-82-7 https://www.jk-sci.com/products/s57c4x-16306 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0fff53ab-c55f-4ded-a929-6ff4334425ef.png?v=1791376058 Eplerenone EP Impurity F(Sodium Salt), 90.70% Eplerenone EP Impurity F(Sodium Salt)|C4X-16306 https://www.jk-sci.com/products/s57c4x-163310 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701921116b272c02adafe78f430d6bc8.jpg?v=1791376059 Ertapenem Impurity 10, 90.40% | 1199797-43-7 Ertapenem Impurity 10|C4X-163310|1199797-43-7 https://www.jk-sci.com/products/s57c4x-163313 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbc219c62eba96d06a5a0a19dfa4cf15.jpg?v=1791376052 Ertapenem sodium, 78.70% | 153773-82-1 Ertapenem sodium|C4X-163313|153773-82-1 https://www.jk-sci.com/products/s57c4x-163319 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df8e5c037cb5d0a8431b519179dcdd69.jpg?v=1791376044 Ertapenem Impurity 19, 80.10% | 866317-77-3 Ertapenem Impurity 19|C4X-163319|866317-77-3 https://www.jk-sci.com/products/s57c4x-163329 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823c93b98a375f7547cbf7353515155e.jpg?v=1791376043 Ertapenem Impurity 29, 94.70% | 1150883-75-2 Ertapenem Impurity 29|C4X-163329|1150883-75-2 https://www.jk-sci.com/products/s57c4x-163332 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5902fb9ca7d601109e81204f1efe08ba.jpg?v=1791376039 Ertapenem Impurity 32, 90.20% | 1199797-42-6 Ertapenem Impurity 32|C4X-163332|1199797-42-6 https://www.jk-sci.com/products/s57c4x-163344 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79b8964e-5f5d-48f4-a329-1a5c86767bf3.png?v=1791376034 Etapenem Impurity 44, 92.40% Etapenem Impurity 44|C4X-163344 https://www.jk-sci.com/products/s57c4x-163610 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617783.png?v=1791376027 Estradiol Impurity 10, 98.60% | 1229-24-9 Estradiol Impurity 10|C4X-163610|1229-24-9 https://www.jk-sci.com/products/s57c4x-16339 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0629de930be10493b545ddf8ba413abe.jpg?v=1791376032 Ertapenem Impurity 9, 90.60% | 402955-37-7 Ertapenem Impurity 9|C4X-16339|402955-37-7 https://www.jk-sci.com/products/s57c4x-163612 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b7caa3cbe4a6c1ab0850f173187d6cb.jpg?v=1791376022 Estradiol Impurity 12, 99.70% | 571-92-6 Estradiol Impurity 12|C4X-163612|571-92-6 https://www.jk-sci.com/products/s57c4x-163620 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207135.png?v=1791376018 Estradiol Impurity 20, 97.40% | 2398-63-2 Estradiol Impurity 20|C4X-163620|2398-63-2 https://www.jk-sci.com/products/s57c4x-163616 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2dde5575e28c985fdc337ec1609b088.jpg?v=1791376020 17-Biphenylestradiol, 95.90% | 1643577-75-6 17-Biphenylestradiol|C4X-163616|1643577-75-6 https://www.jk-sci.com/products/s57c4x-16375 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145706.png?v=1791376007 Estriol EP Impurity E, 98.20% | 1228-72-4 Estriol EP Impurity E|C4X-16375|1228-72-4 https://www.jk-sci.com/products/s57c4x-16363 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346129_5dc73cfc-76c0-4f1b-935f-6a7121e1f9e9.png?v=1791376011 Estradiol Hemihydrate EP Impurity B, 99.00% | 57-91-0 Estradiol Hemihydrate EP Impurity B|C4X-16363|57-91-0 https://www.jk-sci.com/products/s57c4x-1641 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517570.png?v=1791376005 Exemestane, 99.10% | 107868-30-4 Exemestane|C4X-1641|107868-30-4 https://www.jk-sci.com/products/s57c4x-16422 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427000.png?v=1791375993 Famciclovir Impurity 2, 96.40% | 104227-88-5 Famciclovir Impurity 2|C4X-16422|104227-88-5 https://www.jk-sci.com/products/s57c4x-16415 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f80787a2bfb75e36687a4e1dac94e1.jpg?v=1791375997 17β-Hydroxy Exemestane, 92.90% | 122370-91-6 17β-Hydroxy Exemestane|C4X-16415|122370-91-6 https://www.jk-sci.com/products/s57c4x-164110 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dca39ed5e54906998fe17328fcb96d3.jpg?v=1791375999 Exemestane EP Impurity F, 99.30% | 72648-46-5 Exemestane EP Impurity F|C4X-164110|72648-46-5 https://www.jk-sci.com/products/ts246cs-0043405 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/885a989c4fb39abefa2e1c6b0faecf28.jpg?v=1791342977 2-Chloro-7,8-dihydroquinolin-5(6H)-one, 97% | 124467-36-3 2-Chloro-7,8-dihydroquinolin-5(6H)-one|CS-0043405|124467-36-3 https://www.jk-sci.com/products/s57c4x-16452 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421171.png?v=1791375988 Finasteride EP Impurity A, 99.80% | 98319-24-5 Finasteride EP Impurity A|C4X-16452|98319-24-5 https://www.jk-sci.com/products/s57c4x-164314 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9d523650-2897-4f58-8ea4-d22bc027df03.png?v=1791375990 Fenofibrate Impurity 14, 99.90% Fenofibrate Impurity 14|C4X-164314 https://www.jk-sci.com/products/s57c4x-16456 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6276bb71b497aac4d79ccadc27241285.jpg?v=1791375980 Finasteride EP Impurity C, 96.30% | 1800205-94-0 Finasteride EP Impurity C|C4X-16456|1800205-94-0 https://www.jk-sci.com/products/s57c4x-16467 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3e28cc1e9672ee7a8b9cbcb99251b6.jpg?v=1791375975 Fingolimod EP Impurity I, Purity: 99.9% | 249289-10-9 Fingolimod EP Impurity I|C4X-16467|249289-10-9 https://www.jk-sci.com/products/s57c4x-1649 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae532f8429afe2fc02112845a9ca5634.jpg?v=1791375974 Fluorouracil, Purity: 100.0% | 51-21-8 Fluorouracil|C4X-1649|51-21-8 https://www.jk-sci.com/products/s57c4x-164910 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269340_c005f8af-3cbd-4997-9139-3bfd4e2f8359.png?v=1791375970 Fluorouracil Impurity 10, 99.20% | 1480-96-2 Fluorouracil Impurity 10|C4X-164910|1480-96-2 https://www.jk-sci.com/products/s57c4x-164925 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8c456f65-1ff5-4cbc-9441-c484893aa2e7.png?v=1791375962 5-Chloro-2-methoxypyrimidin-4(3H)-one, Purity: 98.3% 5-Chloro-2-methoxypyrimidin-4(3H)-one|C4X-164925 https://www.jk-sci.com/products/s57c4x-165010 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222c87468656198a95fe9df3b397ee22.jpg?v=1791375965 Fluticasone Propionate EP Impurity I, 98.30% | 960071-64-1 Fluticasone Propionate EP Impurity I|C4X-165010|960071-64-1 https://www.jk-sci.com/products/s57c4x-165012 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec744722f456e8742fdf545ffdb9e6b4.jpg?v=1791375954 Fluticasone Propionate EP Impurity C, 98.70% | 80474-24-4 Fluticasone Propionate EP Impurity C|C4X-165012|80474-24-4 https://www.jk-sci.com/products/s57c4x-1650106 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_786eb1f0-cd0b-4ff6-b6dd-8a41dba18d9d.png?v=1791375955 Fluticasone Impurity 106, 94.60% Fluticasone Impurity 106|C4X-1650106 https://www.jk-sci.com/products/s57c4x-165014 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee5152832cdceef5af62bf33d64f497c.jpg?v=1791375950 Fluticasone Propionate EP Impurity E, 95.00% | 105613-90-9 Fluticasone Propionate EP Impurity E|C4X-165014|105613-90-9 https://www.jk-sci.com/products/s57c4x-165016 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c8b6cf84f8212e97bb8c3db70cf4821.jpg?v=1791375946 Fluticasone Propionate EP Impurity H, 98.10% | 201812-64-8 Fluticasone Propionate EP Impurity H|C4X-165016|201812-64-8 https://www.jk-sci.com/products/s57c4x-165020 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29a3de1b3d95d76de2eace71e8424f9.jpg?v=1791375942 Fluticasone Impurity 20, 88.60% | 397864-63-0 Fluticasone Impurity 20|C4X-165020|397864-63-0 https://www.jk-sci.com/products/s57c4x-165025 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58e73d5c45edc6c8c25d35ba66275757.jpg?v=1791375936 Fluticasone Impurity 25, Purity: 98.0% | 1374153-88-4 Fluticasone Impurity 25|C4X-165025|1374153-88-4 https://www.jk-sci.com/products/s57c4x-165029 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_15d230d1-693f-488b-b7c2-655cf3652118.png?v=1791375935 Fluticasone Furoate EP Impurity L, 96.20% Fluticasone Furoate EP Impurity L|C4X-165029 https://www.jk-sci.com/products/s57c4x-165031 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eaea0d4b14deca95f3269f21801a172.jpg?v=1791375930 Fluticasone 17-beta-Carboxylic Acid, 99.20% | 28416-82-2 Fluticasone 17-beta-Carboxylic Acid|C4X-165031|28416-82-2 https://www.jk-sci.com/products/s57c4x-15118 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7959fc237b23317d97e70d56dfdd6c7c.jpg?v=1791377086 Mirtazapine EP Impurity F, Purity: 100.0% | 191546-97-1 Mirtazapine EP Impurity F|C4X-15118|191546-97-1 https://www.jk-sci.com/products/s57c4x-15238 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549678_2da57160-dd29-4515-9b5c-4e748819ac72.png?v=1791376863 Rebamipide Impurity 8, 96.50% | 4876-14-6 Rebamipide Impurity 8|C4X-15238|4876-14-6 https://www.jk-sci.com/products/s57c4x-152217 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a602ad1ae315f59e5613fd6ee0e540c2.jpg?v=1791376898 Aztreonam tert butyl ester, 96.90% | 330944-50-8 Aztreonam tert butyl ester|C4X-152217|330944-50-8 https://www.jk-sci.com/products/s57c4x-152662 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15d95c0bb80aaf12d8041544d9150a5.jpg?v=1791376806 Thioctic acid impurity 62, Purity: 98.8% | 93892-06-9 Thioctic acid impurity 62|C4X-152662|93892-06-9 https://www.jk-sci.com/products/s57c4x-15263 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe1d0dfb6696e123cd3211cb61ae5b74.jpg?v=1791376822 Thioctic acid Impurity 3, 97.20% | 6992-30-9 Thioctic acid Impurity 3|C4X-15263|6992-30-9 https://www.jk-sci.com/products/s57c4x-15134 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2108d6196bdf392f680557829d7982e.jpg?v=1791377062 Doxofylline Impurity 4, 86.20% | 2095554-12-2 Doxofylline Impurity 4|C4X-15134|2095554-12-2 https://www.jk-sci.com/products/s57c4x-15255 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1442abe3a029b1cedc7090c54af99728.jpg?v=1791376840 Formoterol EP Impurity E, 95.40% | 1616967-26-0 Formoterol EP Impurity E|C4X-15255|1616967-26-0 https://www.jk-sci.com/products/s57c4x-153217 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf185947-802e-48db-b3f2-1d25f3b9e889.png?v=1791376783 Acetylcysteine Impurity 17, 95.50% Acetylcysteine Impurity 17|C4X-153217 https://www.jk-sci.com/products/s57c4x-15311 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279895ba5381f6f493fce81e7c536c25.jpg?v=1791376801 Aceclofenac EP Impurity G, 98.10% | 1215709-75-3 Aceclofenac EP Impurity G|C4X-15311|1215709-75-3 https://www.jk-sci.com/products/s57c4x-153237 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354287_e285b87e-11cb-486d-8be4-a20ed6d61fb2.png?v=1791376756 Acetylcysteine Impurity 37, 94.80% | 19547-88-7 Acetylcysteine Impurity 37|C4X-153237|19547-88-7 https://www.jk-sci.com/products/s57c4x-153210 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1d99be2-994c-4b4a-95b6-6decab5eaee7.png?v=1791376795 Acetylcysteine Impurity 10 (N,S-Carboxymethyl L-Cysteine) TFA salt, 99.20% Acetylcysteine Impurity 10 (N,S-Carboxymethyl L-Cysteine) TFA salt|C4X-153210 https://www.jk-sci.com/products/s57c4x-152310 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2f9ebaf-1cfe-4abf-9fc1-2ba8a032cd15.png?v=1791376882 Rebamipide Impurity 10, 95.00% Rebamipide Impurity 10|C4X-152310 https://www.jk-sci.com/products/s57c4x-15352 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385947_1031ae36-9a57-4d71-897a-c737277ff068.png?v=1791376749 Albendazole EP Impurity B, 95.30% | 54029-12-8 Albendazole EP Impurity B|C4X-15352|54029-12-8 https://www.jk-sci.com/products/s57c4x-15391 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493955_b6c04250-6e7e-4267-ab64-a837ca54c751.png?v=1791376727 Alverine EP Impurity A, 98.30% | 104-52-9 Alverine EP Impurity A|C4X-15391|104-52-9 https://www.jk-sci.com/products/s57c4x-15413 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253030_3cba2866-6265-4a9c-afc9-d0428061a229.png?v=1791376712 Amitriptyline EP Impurity C, 100.00% | 894-71-3 Amitriptyline EP Impurity C|C4X-15413|894-71-3 https://www.jk-sci.com/products/s57c4x-152651 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56785016e7bddcead68eeb48a7a2eae8.jpg?v=1791376817 Thioctic Acid Impurity 51, 80.30% | 56535-97-8 Thioctic Acid Impurity 51|C4X-152651|56535-97-8 https://www.jk-sci.com/products/s57c4x-15355 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513039_9ad3b3a3-a323-464b-bae6-540ca592bf92.png?v=1791376739 Albendazole EP Impurity E, 99.00% | 10605-21-7 Albendazole EP Impurity E|C4X-15355|10605-21-7 https://www.jk-sci.com/products/s57c4x-154225 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43518fa00e9f33d3aadb1c2e7bd22436.jpg?v=1791376688 Amorolfine lmpurity 25, 98.70% | 2497333-07-8 Amorolfine lmpurity 25|C4X-154225|2497333-07-8 https://www.jk-sci.com/products/s57c4x-15495 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298504_2590ccfd-9a56-4ceb-85ed-b9637f0ba71e.png?v=1791376654 Atenolol EP Impurity E, 95.20% | 141650-31-9 Atenolol EP Impurity E|C4X-15495|141650-31-9 https://www.jk-sci.com/products/s57c4x-154210 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79edd4eb-48c2-4c8c-82fb-dfa069590f53.png?v=1791376702 Amorolfine EP Impurity J HCl, 93.70% Amorolfine EP Impurity J HCl|C4X-154210 https://www.jk-sci.com/products/s57c4x-1544 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc0a1c9f78cb53272f8427ca8e56943e.jpg?v=1791376673 Anidulafungin, 90.40% | 166663-25-8 Anidulafungin|C4X-1544|166663-25-8 https://www.jk-sci.com/products/s57c4x-155019 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_594b163b-69c7-4722-9cc6-ca34f235e8e6.png?v=1791376637 Atomoxetine Impurity 19, Purity: 99.7% Atomoxetine Impurity 19|C4X-155019 https://www.jk-sci.com/products/s57c4x-15606 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1e29d295176a2b574ab3b5e448cd07.jpg?v=1791376588 α-(4-Biphenylyl)Benzylamine, 98.10% | 91487-88-6 α-(4-Biphenylyl)Benzylamine|C4X-15606|91487-88-6 https://www.jk-sci.com/products/s57c4x-15507 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca9fe27ca7796fea5637a014999a4ee.jpg?v=1791376623 Atomoxetine EP Impurity A HCl, 99.30% | 873310-33-9 Atomoxetine EP Impurity A HCl|C4X-15507|873310-33-9 https://www.jk-sci.com/products/s57c4x-15597 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1feaa27a4e5b96c4296eaae24caa50d.jpg?v=1791376604 Betaxolol Impurity 7, Purity: 99.6% | 91878-54-5 Betaxolol Impurity 7|C4X-15597|91878-54-5 https://www.jk-sci.com/products/s57c4x-15632 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/066c63debe40afd5b11470eae7cc274c.jpg?v=1791376569 Biotin Impurity 2((-)-Biotin Sulfoxide), 94.80% | 3376-83-8 Biotin Impurity 2((-)-Biotin Sulfoxide)|C4X-15632|3376-83-8 https://www.jk-sci.com/products/s57c4x-156611 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a30e5c70d445c4c2286dc25a84e5b5f0.jpg?v=1791376554 Brimonidine EP Impurity F, 99.30% | 151110-15-5 Brimonidine EP Impurity F|C4X-156611|151110-15-5 https://www.jk-sci.com/products/s57c4x-157720 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e534d327015b66a3a22b26d99b29a144.jpg?v=1791376467 Cefazolin EP Impurity B, 95.00% | 2384108-14-7 Cefazolin EP Impurity B|C4X-157720|2384108-14-7 https://www.jk-sci.com/products/s57c4x-157522 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f64335d-03e8-463d-a17d-bc002c4d190e.png?v=1791376481 Caspofungin Acetate C0 Analog(Caspofungin EP Impurity F)(RRT=1.1), 98.30% Caspofungin Acetate C0 Analog(Caspofungin EP Impurity F)(RRT=1.1)|C4X-157522 https://www.jk-sci.com/products/s57c4x-15691 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1467ba2e167485c2f5a19dbc3e4b3ba1.jpg?v=1791376518 Clotrimazole EP Impurity A, 95.60% | 66774-02-5 Clotrimazole EP Impurity A|C4X-15691|66774-02-5 https://www.jk-sci.com/products/s57c4x-15712 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/632954_b943ad14-01fc-4d43-95ca-39b688e98568.png?v=1791376501 Irinotecan USP Rc E, 99.30% | 78287-27-1 Irinotecan USP Rc E|C4X-15712|78287-27-1 https://www.jk-sci.com/products/s57c4x-156625 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f07f1b26c59d91d54544503e83b304dc.jpg?v=1791376533 Brimonidine Impurity 25, 98.30% | 135306-57-9 Brimonidine Impurity 25|C4X-156625|135306-57-9 https://www.jk-sci.com/products/s57c4x-15795 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8f187ce1df2aa2455988661131a56cf.jpg?v=1791376437 Cefpodoxime Proxetil EP Impurity E, 90.10% | 217803-89-9 Cefpodoxime Proxetil EP Impurity E|C4X-15795|217803-89-9 https://www.jk-sci.com/products/s57c4x-157850 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17c879d7-8285-4cda-a65b-1d86c5db89cd.png?v=1791376449 Cefoxitin Impurity 50, 88.10% Cefoxitin Impurity 50|C4X-157850 https://www.jk-sci.com/products/s57c4x-158217 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f861ff4a-b0a8-442d-9d00-0eab2549fb4e.png?v=1791376422 Cetirizine Impurity 17, 94.20% Cetirizine Impurity 17|C4X-158217 https://www.jk-sci.com/products/s57c4x-15894 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8b65b0a42cebebc9e6ceedd124bdfe0.jpg?v=1791376386 Cimetidine EP Impurity D DiHCl, 92.70% | 59660-24-1 Cimetidine EP Impurity D DiHCl|C4X-15894|59660-24-1 https://www.jk-sci.com/products/s57c4x-15866 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0693630aac5c7e9399cce47d7d52739.jpg?v=1791376402 Precalciferol (Previtamin D3), 69.60% | 1173-13-3 Precalciferol (Previtamin D3)|C4X-15866|1173-13-3 https://www.jk-sci.com/products/s57c4x-159021 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a9667c47d94264e631abebd805875b.jpg?v=1791376369 Safinamide Impurity 21, Purity: 100.0% | 590353-54-1 Safinamide Impurity 21|C4X-159021|590353-54-1 https://www.jk-sci.com/products/s57c4x-159037 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1354c816590487fe1b54de245f36664c.jpg?v=1791376347 Safinamide Impurity 37, Purity: 99.7% | 1000370-27-3 Safinamide Impurity 37|C4X-159037|1000370-27-3 https://www.jk-sci.com/products/s57c4x-15912 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492148_b80d7986-7993-4b9f-b86f-42ea24d655b4.png?v=1791376329 Parecoxib Impurity 2, 99.90% | 181695-72-7 Parecoxib Impurity 2|C4X-15912|181695-72-7 https://www.jk-sci.com/products/s57c4x-159211 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1141a0520c05268f694fc645e9525ea5.jpg?v=1791376313 Clobetasol Propionate EP Impurity K, Purity: 98.4% | 75883-07-7 Clobetasol Propionate EP Impurity K|C4X-159211|75883-07-7 https://www.jk-sci.com/products/s57c4x-15946 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e4b3d3d646cd552f0ef346d97118907.jpg?v=1791376298 Clonidine EP Impurity B, 100.00% | 54707-71-0 Clonidine EP Impurity B|C4X-15946|54707-71-0 https://www.jk-sci.com/products/s57c4x-15973 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/080d5fb30419635c1c98fdf8531f9774.jpg?v=1791376280 Cloxacillin EP Impurity B, Purity: 99.3% | 1642559-64-5 Cloxacillin EP Impurity B|C4X-15973|1642559-64-5 https://www.jk-sci.com/products/s57c4x-16072 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813191_cbb5af82-0b0a-426f-90c9-add7624f94ce.png?v=1791376256 Dasatinib Impurity 2, 98.90% | 910297-52-8 Dasatinib Impurity 2|C4X-16072|910297-52-8 https://www.jk-sci.com/products/s57c4x-161250 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564837_2ee3fdb2-85aa-43be-a473-cec11602c228.png?v=1791376240 Dexlansoprazole Impurity 50, 97.50% | 87-91-2 Dexlansoprazole Impurity 50|C4X-161250|87-91-2 https://www.jk-sci.com/products/s57c4x-16183 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee585537c215ec6a061033ccd854be94.jpg?v=1791376215 Dipyridamole EP Impurity C, 99.10% | 54093-92-4 Dipyridamole EP Impurity C|C4X-16183|54093-92-4 https://www.jk-sci.com/products/s57c4x-161313 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b44c5a72f539f17fc0874723eeb5c7a_f011881e-0697-4fb6-8fbd-851666e346a5.jpg?v=1791376233 Dexpanthenol Impurity 13, 98.30% | 505-47-5 Dexpanthenol Impurity 13|C4X-161313|505-47-5 https://www.jk-sci.com/products/s57c4x-162930 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222783_73da0061-9247-43c8-8a17-cf3a75169c89.png?v=1791376088 Entacapone Impurity 30, 99.10% | 148-53-8 Entacapone Impurity 30|C4X-162930|148-53-8 https://www.jk-sci.com/products/s57c4x-161940 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273681970f8e78657f5eef3aa8301318.jpg?v=1791376198 Docetaxel Impurity 40, Purity: 96.9% | 92950-45-3 Docetaxel Impurity 40|C4X-161940|92950-45-3 https://www.jk-sci.com/products/s57c4x-162722 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac71b991327c607f87d7bd1e17f5826b.jpg?v=1791376133 Efavirenz USP Related Compound B, 98.70% | 440124-96-9 Efavirenz USP Related Compound B|C4X-162722|440124-96-9 https://www.jk-sci.com/products/s57c4x-16209 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cda7ee5f674ce34914fb259c5082b8d.jpg?v=1791376174 Dolutegravir Impurity 9, 99.60% | 1863916-87-3 Dolutegravir Impurity 9|C4X-16209|1863916-87-3 https://www.jk-sci.com/products/s57c4x-16332 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c54f9bbff3d943a2688e53da9427efb0.jpg?v=1791376045 Ertapenem Impurity Pro-maba, 83.70% | 724700-26-9 Ertapenem Impurity Pro-maba|C4X-16332|724700-26-9 https://www.jk-sci.com/products/s57c4x-162922 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394ab5e946acff3ec8d1665b15a50633.jpg?v=1791376097 Entacapone Impurity 22, Purity: 99.3% | 857629-78-8 Entacapone Impurity 22|C4X-162922|857629-78-8 https://www.jk-sci.com/products/s57c4x-162714 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00a4b475-a72f-45b4-a03b-bce611f8da43.png?v=1791376138 Efavirenz USP Related Compound A, 99.50% Efavirenz USP Related Compound A|C4X-162714 https://www.jk-sci.com/products/s57c4x-16301 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d1da0803-4d40-4b14-829f-46fc3e50d36d.png?v=1791376071 Eplerenone EP Impurity A, Purity: 99.5% Eplerenone EP Impurity A|C4X-16301 https://www.jk-sci.com/products/s57c4x-1627 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204716_7353419e-43d5-4e38-b177-4cc5b3cd2b8c.png?v=1791376145 Efavirenz, 99.60% | 154598-52-4 Efavirenz|C4X-1627|154598-52-4 https://www.jk-sci.com/products/s57c4x-16141 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/851c85df3f2c6a5d26dab0aca80f9b5c.jpg?v=1791376221 Diclofenac Impurity 1, 91.60% | 66505-80-4 Diclofenac Impurity 1|C4X-16141|66505-80-4 https://www.jk-sci.com/products/s57c4x-161972 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b0c98c02209270c25c41d5492bdb988.jpg?v=1791376190 Docetaxel Impurity 72, Purity: 100.0% | 959123-35-4 Docetaxel Impurity 72|C4X-161972|959123-35-4 https://www.jk-sci.com/products/s57c4x-162915 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236329_e44f1428-6c83-48d3-9e5e-8bb2c7a6a44d.png?v=1791376103 Entacapone EP Impurity C(Mixtures of tautomers), 98.90% | 116313-85-0 Entacapone EP Impurity C(Mixtures of tautomers)|C4X-162915|116313-85-0 https://www.jk-sci.com/products/s57c4x-16241 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a835d1799b1bce1e0fb968c9435bd4a6.jpg?v=1791376158 Drospirenone EP Impurity A, 97.70% | 67372-68-3 Drospirenone EP Impurity A|C4X-16241|67372-68-3 https://www.jk-sci.com/products/s57c4x-163337 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ed794ac-09bf-4f0b-aba8-6de087a358cc.png?v=1791376037 Ertapenem Impurity 37, 91.60% Ertapenem Impurity 37|C4X-163337 https://www.jk-sci.com/products/s57c4x-163311 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f487cac853fc3b1a75b9ec19985bf54.jpg?v=1791376050 Ertapenem Impurity 11, 92.90% | 402955-38-8 Ertapenem Impurity 11|C4X-163311|402955-38-8 https://www.jk-sci.com/products/s57c4x-161911 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a34455df1269d0493b909ab95635978.jpg?v=1791376207 Docetaxel Impurity 11, 95.70% | 114915-14-9 Docetaxel Impurity 11|C4X-161911|114915-14-9 https://www.jk-sci.com/products/s57c4x-16287 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad64ce9705d4467fdecd1086b261a8b3.jpg?v=1791376116 Enrofloxacin Impurity 7, 99.10% | 93107-31-4 Enrofloxacin Impurity 7|C4X-16287|93107-31-4 https://www.jk-sci.com/products/s57c4x-162951 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fd8f1c5-34ec-4069-980b-0bba8ff1ac33.png?v=1791376081 Entacapone impurity 51, Purity: 97.9% Entacapone impurity 51|C4X-162951 https://www.jk-sci.com/products/s57c4x-16277 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3371cf1ddd76ef28043cf3e03c857eb.jpg?v=1791376126 Efavirenz Impurity 7, 99.10% | 211563-41-6 Efavirenz Impurity 7|C4X-16277|211563-41-6 https://www.jk-sci.com/products/s57c4x-16305 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27ad31fba3838ba0148c090141579746.jpg?v=1791376065 Eplerenone EP Impurity E, 96.00% | 209253-81-6 Eplerenone EP Impurity E|C4X-16305|209253-81-6 https://www.jk-sci.com/products/s57c4x-162016 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44af0c7726239a570498b01541391a7.jpg?v=1791376182 Dolutegravir Impurity 16, 90.90% | 2244161-73-5 Dolutegravir Impurity 16|C4X-162016|2244161-73-5 https://www.jk-sci.com/products/s57c4x-16233 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3dfeb5199597352485fde07e7a7e12fd.jpg?v=1791376169 Doxazosin EP Impurity C, 99.10% | 617677-53-9 Doxazosin EP Impurity C|C4X-16233|617677-53-9 https://www.jk-sci.com/products/s57c4x-16361 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95f8147f8a208efc7c0d2f1d663383c1.jpg?v=1791376029 Estradiol EP Impurity D, 92.50% | 791-69-5 Estradiol EP Impurity D|C4X-16361|791-69-5 https://www.jk-sci.com/products/s57c4x-163613 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34c06294401131860adb1666ea7f56c8.jpg?v=1791376023 Estradiol Valerate EP Impurity D, 97.70% | 1359847-37-2 Estradiol Valerate EP Impurity D|C4X-163613|1359847-37-2 https://www.jk-sci.com/products/s57c4x-164313 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a2963e0-c844-42e8-b907-817f188d5b11.png?v=1791375992 Fenofibrate Impurity 13, 99.50% Fenofibrate Impurity 13|C4X-164313 https://www.jk-sci.com/products/s57c4x-164132 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443411_50c64d37-a7f2-4f38-85e4-d7851602e902.png?v=1791376001 Androstenediol, 92.50% | 521-17-5 Androstenediol|C4X-164132|521-17-5 https://www.jk-sci.com/products/s57c4x-163625 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62d068ac1150486f6cac64d18ab4f289.jpg?v=1791376014 Estradiol Impurity 25, 99.20% | 4245-41-4 Estradiol Impurity 25|C4X-163625|4245-41-4 https://www.jk-sci.com/products/s57c4x-16455 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a9167d3e4038bfebe1ac5a4973178bb.jpg?v=1791375986 Finasteride Impurity 5, Purity: 95.4% | 2760543-46-0 Finasteride Impurity 5|C4X-16455|2760543-46-0 https://www.jk-sci.com/products/s57c4x-16376 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321184_2a046bda-ac0d-4914-9ff9-d22b5a0ff994.png?v=1791376007 Estriol EP Impurity F, 98.10% | 547-81-9 Estriol EP Impurity F|C4X-16376|547-81-9 https://www.jk-sci.com/products/s57c4x-16474 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471303_92f8ac1f-b9d7-4762-a046-4949d6e00eda.png?v=1791375976 Flucloxacillin Sodium EP Impurity D, Purity: 99.5% | 3919-74-2 Flucloxacillin Sodium EP Impurity D|C4X-16474|3919-74-2 https://www.jk-sci.com/products/s57c4x-164914 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558013_8f6dcb2e-18ba-4fcc-a3b8-f9bf7af98c35.png?v=1791375967 Fluorouracil Impurity 14, 99.50% | 6623-81-0 Fluorouracil Impurity 14|C4X-164914|6623-81-0 https://www.jk-sci.com/products/s57c4x-165013 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9c23380484bd26a15b492597e786468.jpg?v=1791375951 Fluticasone USP related compound B, 98.40% | 219719-95-6 Fluticasone USP related compound B|C4X-165013|219719-95-6 https://www.jk-sci.com/products/s57c4x-1650105 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aed27f1a-fc31-4855-b0ac-33ac99cb3ab3.png?v=1791375958 Fluticasone Impurity 105, 98.30% Fluticasone Impurity 105|C4X-1650105 https://www.jk-sci.com/products/ts246cs-0043476 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67e26d80210100eec76e7612ae66f087.jpg?v=1791342966 3-(Tert-butyl)-1H-pyrazole, 97% | 15802-80-9 3-(Tert-butyl)-1H-pyrazole|CS-0043476|15802-80-9 https://www.jk-sci.com/products/ts246cs-0043487 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e22416304067f8e5a777bb97fe6e2fcf.jpg?v=1791342960 4-Chloro-2-methyl-5-nitrobenzoic acid, 98% | 476660-41-0 4-Chloro-2-methyl-5-nitrobenzoic acid|CS-0043487|476660-41-0 https://www.jk-sci.com/products/a01316452 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316452.png?v=1788923256 1H,1H,2H-Heptafluorocyclopentane, 98% | 15290-77-4 1H,1H,2H-Heptafluorocyclopentane, 98%|316452|15290-77-4 https://www.jk-sci.com/products/s57c4x-165024 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e603f8d62552a7eaffaf34247371ebe.jpg?v=1791375940 Fluticasone Impurity 24, 96.70% | 785806-96-4 Fluticasone Impurity 24|C4X-165024|785806-96-4 https://www.jk-sci.com/products/ts246cs-0043558 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30975de434ff417990d5dfb0a549b77a.jpg?v=1791342949 2-Amino-3-cyclopropylpropanoic acid, 97% | 15785-52-1 2-Amino-3-cyclopropylpropanoic acid|CS-0043558|15785-52-1 https://www.jk-sci.com/products/s57c4x-165030 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_816f655f-7f44-4590-8ac0-0c76a1d56422.png?v=1791375929 Fluticasone Impurity 30, 97.70% Fluticasone Impurity 30|C4X-165030 https://www.jk-sci.com/products/ts246cs-0043597 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500419.png?v=1791342920 6-Fluorobenzo[d]thiazole, 98.00%+ | 118220-71-6 6-Fluorobenzo[d]thiazole|CS-0043597|118220-71-6 https://www.jk-sci.com/products/ts246cs-0020162 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/506290.png?v=1791351261 (4S)-4-Hydroxy-D-proline, 97% | 3398-22-9 (4S)-4-Hydroxy-D-proline|CS-0020162|3398-22-9 https://www.jk-sci.com/products/s57c4x-165035 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_92932e3a-f71f-44cf-bd65-b20b307faae6.png?v=1791375923 Fluticasone Impurity 35, 97.70% Fluticasone Impurity 35|C4X-165035 https://www.jk-sci.com/products/s57c4x-165044 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_44d5e93c-e83a-4f10-9e13-289a423f038c.png?v=1791375917 Fluticasone Propionate EP Impurity K, 97.10% Fluticasone Propionate EP Impurity K|C4X-165044 https://www.jk-sci.com/products/s57c4x-165042 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7acf9425-97d5-4af2-994d-3a5e463be4a4.png?v=1791375924 Fluticasone Impurity 42, 99.00% Fluticasone Impurity 42|C4X-165042 https://www.jk-sci.com/products/s57c4x-16507 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b519b47e08593444234197d4e898d83.jpg?v=1791375913 Fluticasone Propionate EP Impurity G, 96.50% | 220589-37-7 Fluticasone Propionate EP Impurity G|C4X-16507|220589-37-7 https://www.jk-sci.com/products/ts246cs-0043570 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b23a4a7bdd167611df559b6832c38579.jpg?v=1791342943 (R)-2-Amino-2-(oxetan-3-yl)acetic acid, 97% | 394653-43-1 (R)-2-Amino-2-(oxetan-3-yl)acetic acid|CS-0043570|394653-43-1 https://www.jk-sci.com/products/s57c4x-1651 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269309.png?v=1791375912 Fluvastatin Sodium Salt, Purity: 99.8% | 93957-55-2 Fluvastatin Sodium Salt|C4X-1651|93957-55-2 https://www.jk-sci.com/products/ts246cs-0043619 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303547.png?v=1791342910 4-(Ethylthio)benzoic acid, 98% | 13205-49-7 4-(Ethylthio)benzoic acid|CS-0043619|13205-49-7 https://www.jk-sci.com/products/s57c4x-165112 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fbe5c17f4bb7992708582cde3750ba5.jpg?v=1791375906 Fluvastatin EP Impurity F Sodium Salt, 91.30% | 2118370-51-5 Fluvastatin EP Impurity F Sodium Salt|C4X-165112|2118370-51-5 https://www.jk-sci.com/products/s57c4x-16513 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a361b7d-b855-4304-83df-19a07fb5f53d.png?v=1791375900 Fluvastatin EP Impurity C(Sodium Salt), 95.20% Fluvastatin EP Impurity C(Sodium Salt)|C4X-16513 https://www.jk-sci.com/products/ts246cs-0043671 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e32e1e949a87c9eef669e45d11d2ad44.jpg?v=1791342876 2-Bromo-4-chloro-6-methylphenol, 97% | 54852-68-5 2-Bromo-4-chloro-6-methylphenol|CS-0043671|54852-68-5 https://www.jk-sci.com/products/s57c4x-16515 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aea80802-34cf-4ceb-8d88-8015992295bd.png?v=1791375895 Fluvastatin EP Impurity E, 99.10% Fluvastatin EP Impurity E|C4X-16515 https://www.jk-sci.com/products/s57c4x-16521 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80cc9b5aac6bddfacf1ebe4a34bb95a5.jpg?v=1791375894 Fosinopril Impurity 1, 99.90% | 72651-25-3 Fosinopril Impurity 1|C4X-16521|72651-25-3 https://www.jk-sci.com/products/ts246cs-0043682 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3afb54977075b05130e320e86b49e09c.jpg?v=1791342844 Methyl 4-cyano-2-fluorobenzoate, 96% | 175596-01-7 Methyl 4-cyano-2-fluorobenzoate|CS-0043682|175596-01-7 https://www.jk-sci.com/products/s57c4x-16567 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522532_4a201ff7-47d0-4390-80a6-fa3db4058ddd.png?v=1791375872 Glibenclamide Impurity 7, 97.40% | 3438-16-2 Glibenclamide Impurity 7|C4X-16567|3438-16-2 https://www.jk-sci.com/products/s57c4x-165413 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273925_79e2df77-9969-4fe6-ad8a-8c0af846807a.png?v=1791375889 Gabapentin Impurity 13, Purity: 99.3% | 1130-32-1 Gabapentin Impurity 13|C4X-165413|1130-32-1 https://www.jk-sci.com/products/ts246cs-0043689 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ed19b4483f19e3fbd03548c2f7fc7d7.jpg?v=1791342836 4-Nitroisoindolin-1-one, 95% | 366452-97-3 4-Nitroisoindolin-1-one|CS-0043689|366452-97-3 https://www.jk-sci.com/products/s57c4x-16547 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345d523740facbe11a5bf853f6f4d052.jpg?v=1791375880 Gabapentin EP Impurity G, Purity: 99.9% | 1500558-49-5 Gabapentin EP Impurity G|C4X-16547|1500558-49-5 https://www.jk-sci.com/products/s57c4x-16542 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622726.png?v=1791375882 Gabapentin EP Impurity B, 94.60% | 133481-09-1 Gabapentin EP Impurity B|C4X-16542|133481-09-1 https://www.jk-sci.com/products/s57c4x-16561 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331051.png?v=1791375877 Glyburide USP RC A, 99.30% | 16673-34-0 Glyburide USP RC A|C4X-16561|16673-34-0 https://www.jk-sci.com/products/s57c4x-16592 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435ca7af64ea72fd26b60fdfcab090f4.jpg?v=1791375873 Hydralazine Impurity 2, 94.20% | 24030-07-7 Hydralazine Impurity 2|C4X-16592|24030-07-7 https://www.jk-sci.com/products/s57c4x-166110 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254997_fb6acafd-1fd6-4101-a744-9308b10235e1.png?v=1791375867 Iloperidone Impurity 10, 98.70% | 106266-04-0 Iloperidone Impurity 10|C4X-166110|106266-04-0 https://www.jk-sci.com/products/s57c4x-1662109 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3971af4f-6a2c-47a9-9060-e290f8460d05.png?v=1791375861 Imipenem-cilastatin adduct, 84.40% Imipenem-cilastatin adduct|C4X-1662109 https://www.jk-sci.com/products/ts246cs-0043698 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd0b27d5d0efe973aeeffa9134dfeaa4.jpg?v=1791342822 6-Methylimidazo[1,2-a]pyrimidine-3-carboxylic acid, 97% | 1020035-04-4 6-Methylimidazo[1,2-a]pyrimidine-3-carboxylic acid|CS-0043698|1020035-04-4 https://www.jk-sci.com/products/ts246cs-0043710 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a0a17788abcd19e30140a3c9f0e547e.jpg?v=1791342803 Methyl 1H-pyrrolo[2,3-c]pyridine-3-carboxylate, 97% | 108128-12-7 Methyl 1H-pyrrolo[2,3-c]pyridine-3-carboxylate|CS-0043710|108128-12-7 https://www.jk-sci.com/products/ts246cs-0043715 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331877.png?v=1791342792 6-Methoxyquinazolin-4-ol, 98% | 19181-64-7 6-Methoxyquinazolin-4-ol|CS-0043715|19181-64-7 https://www.jk-sci.com/products/ts246cs-0043748 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8515601af10ca97e5bc003b93226117.jpg?v=1791342714 2-(Difluoromethyl)-5-nitropyridine, 98% | 1646152-46-6 2-(Difluoromethyl)-5-nitropyridine|CS-0043748|1646152-46-6 https://www.jk-sci.com/products/ts246cs-0043756 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381205.png?v=1791342700 4-Methylpyridine-3-sulfonic acid, 97.12%+ | 4808-71-3 4-Methylpyridine-3-sulfonic acid|CS-0043756|4808-71-3 https://www.jk-sci.com/products/ts246cs-0043770 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecb381517fa31997d6530c358c7833d1.jpg?v=1791342683 Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate, 95% | 123770-62-7 Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate|CS-0043770|123770-62-7 https://www.jk-sci.com/products/ts246cs-0043794 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08cf218fec8e872b611558e2cea1da9b.jpg?v=1791342655 Methyl 5-fluoro-6-methylpicolinate, 98% | 1245647-61-3 Methyl 5-fluoro-6-methylpicolinate|CS-0043794|1245647-61-3 https://www.jk-sci.com/products/ts246cs-0043777 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32b888845c8235d7db30d88a050a5943.jpg?v=1791342674 2-Formyl-1H-indole-6-carbonitrile, 95% | 104291-63-6 2-Formyl-1H-indole-6-carbonitrile|CS-0043777|104291-63-6 https://www.jk-sci.com/products/ts246cs-0043774 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0356b1647767320cdac624972967d038.jpg?v=1791342678 4-Amino-3-chloro-5-fluorobenzonitrile, 95.26%+ | 1147558-43-7 4-Amino-3-chloro-5-fluorobenzonitrile|CS-0043774|1147558-43-7 https://www.jk-sci.com/products/ts246cs-0043802 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220549.png?v=1791342637 5-Fluoro-1H-benzo[d]imidazole-2(3H)-thione, 98% | 583-42-6 5-Fluoro-1H-benzo[d]imidazole-2(3H)-thione|CS-0043802|583-42-6 https://www.jk-sci.com/products/ts246cs-0043832 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132340.png?v=1791342595 2-Isopropoxynicotinaldehyde, 95.80%+ | 885278-10-4 2-Isopropoxynicotinaldehyde|CS-0043832|885278-10-4 https://www.jk-sci.com/products/ts246cs-0043824 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4274764b850a193e9a97af2235a560ca.jpg?v=1791342607 3-Fluoro-5-nitrobenzonitrile, 98% | 110882-60-5 3-Fluoro-5-nitrobenzonitrile|CS-0043824|110882-60-5 https://www.jk-sci.com/products/ts246cs-0043818 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6af01154ef99b96568d64d197faa24e7.jpg?v=1791342616 Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate, 98% | 1454848-65-7 Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate|CS-0043818|1454848-65-7 https://www.jk-sci.com/products/ts246cs-0043837 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0d8845b857b0e9217c6f303c7ecafc1.jpg?v=1791342590 2-(4-Fluoro-3-methoxyphenyl)acetonitrile, 98.00%+ | 850565-37-6 2-(4-Fluoro-3-methoxyphenyl)acetonitrile|CS-0043837|850565-37-6 https://www.jk-sci.com/products/s57c4x-16618 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc94e5f46dcd60e878a71695abcb453_0129c1b9-4d20-4475-99d8-bc7d7cfab30b.jpg?v=1791375865 Iloperidone Impurity 8, 96.40% | 1209459-88-0 Iloperidone Impurity 8|C4X-16618|1209459-88-0 https://www.jk-sci.com/products/ts246cs-0043890 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffbdcdb36ee7288d578caecd67aecf9c_7cbf68f5-cd90-40ba-a897-8796332b5e2e.jpg?v=1791342486 4-Aminocyclohexanecarbonitrile hydrochloride, 97% | 1303968-08-2 4-Aminocyclohexanecarbonitrile hydrochloride|CS-0043890|1303968-08-2 https://www.jk-sci.com/products/ts246cs-0043851 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a628a7f54c0c908c8a7ec2e99545941d.jpg?v=1791342562 5-Acetyl-2-fluorobenzonitrile, 97% | 288309-07-9 5-Acetyl-2-fluorobenzonitrile|CS-0043851|288309-07-9 https://www.jk-sci.com/products/s57c4x-166534 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/523026_460b501b-417b-4dad-b9e3-4c18690ab1a0.png?v=1791375831 Methyl DL-Mandelate, 99.40% | 4358-87-6 Methyl DL-Mandelate|C4X-166534|4358-87-6 https://www.jk-sci.com/products/ts246cs-0043902 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a8d66c458cbf51314bdc6d082d6a7be.jpg?v=1791342472 3-Chloro-2-fluoroisonicotinaldehyde, 95% | 1149587-02-9 3-Chloro-2-fluoroisonicotinaldehyde|CS-0043902|1149587-02-9 https://www.jk-sci.com/products/s57c4x-166526 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a1cb466-9fae-489f-8b50-f72b9192a33a.png?v=1791375837 Ipratropium Impurity 26, 96.20% Ipratropium Impurity 26|C4X-166526 https://www.jk-sci.com/products/s57c4x-16632 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c971f736f311cc9195aa6adf30f7c6ff.jpg?v=1791375854 N-Acetyl Cyclized Iodixanol, 91.90% | 171897-72-6 N-Acetyl Cyclized Iodixanol|C4X-16632|171897-72-6 https://www.jk-sci.com/products/s57c4x-166511 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265928.png?v=1791375843 Ipratropium Impurity 11, Purity: 99.2% | 5894-79-1 Ipratropium Impurity 11|C4X-166511|5894-79-1 https://www.jk-sci.com/products/s57c4x-166531 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b394e05ddea423aaba9de9f1ca81728_1b48f37d-0077-460b-97c3-799fe31ccb05.jpg?v=1791375832 Ipratropium Impurity 31, 91.20% | 3423-25-4 Ipratropium Impurity 31|C4X-166531|3423-25-4 https://www.jk-sci.com/products/s57c4x-166422 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb4925ed-e47d-4adf-9e7f-a3846534436c.png?v=1791375849 Iohexol Impurity G (2,4-diiodo Isomer), Purity: 97.0% Iohexol Impurity G (2,4-diiodo Isomer)|C4X-166422 https://www.jk-sci.com/products/s57c4x-16655 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ebcb0e275f44b248e332daea1599142.jpg?v=1791375826 Ipratropium Bromide EP Impurity E, 100.00% | 22235-81-0 Ipratropium Bromide EP Impurity E|C4X-16655|22235-81-0 https://www.jk-sci.com/products/s57c4x-16659 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81f4c048e7e6014fd1caa67fe54c0f4f.jpg?v=1791375816 Ipratropium Bromide EP Impurity C, 99.80% | 552-63-6 Ipratropium Bromide EP Impurity C|C4X-16659|552-63-6 https://www.jk-sci.com/products/ts246cs-0043893 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a19cb035306bccd79010be3b14bc2d5c.jpg?v=1791342478 1-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanone, 97.00%+ | 460053-60-5 1-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanone|CS-0043893|460053-60-5 https://www.jk-sci.com/products/ts246cs-0042408 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248058.png?v=1791343994 6-Chloro-2-methylpyrimidin-4(1H)-one, 97% | 17551-52-9 6-Chloro-2-methylpyrimidin-4(1H)-one|CS-0042408|17551-52-9 https://www.jk-sci.com/products/s57c4x-16657 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11776bb19b8d0873301d7b6555c9af7a.jpg?v=1791375820 Ipratropium Bromide EP Impurity A, 98.00% | 58005-18-8 Ipratropium Bromide EP Impurity A|C4X-16657|58005-18-8 https://www.jk-sci.com/products/s57c4x-166630 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f189100a06463a1851552901930e7cf8.jpg?v=1791375809 Irbesartan Impurity 30, 99.10% | 141745-71-3 Irbesartan Impurity 30|C4X-166630|141745-71-3 https://www.jk-sci.com/products/ts246cs-0043914 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/867fbb990975d2ea9a8b9994283a946a.jpg?v=1791342454 5-Chloro-2-methoxyphenol, 96% | 3743-23-5 5-Chloro-2-methoxyphenol|CS-0043914|3743-23-5 https://www.jk-sci.com/products/s57c4x-16631 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df33b30a0ac908e0d845f7bbb54e3cb5.jpg?v=1791375855 Cyclic Iodixanol, 91.90% | 171897-73-7 Cyclic Iodixanol|C4X-16631|171897-73-7 https://www.jk-sci.com/products/s57c4x-16662 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7fe48c06ffdbe653c39ac0e827aac21.jpg?v=1791375814 Irbesartan Impurity 2, 99.30% | 177219-40-8 Irbesartan Impurity 2|C4X-16662|177219-40-8 https://www.jk-sci.com/products/ts246cs-0043921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435949_11003f85-5102-4c6c-a899-834c6da7c0a0.png?v=1791342439 Quinoxaline-2-carbaldehyde, 97% | 1593-08-4 Quinoxaline-2-carbaldehyde|CS-0043921|1593-08-4 https://www.jk-sci.com/products/ts246cs-0043935 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e130f8077d1636d18aed2e3210457d77.jpg?v=1791342415 2-Formylthiophene-3-carboxylic acid, 95% | 19991-69-6 2-Formylthiophene-3-carboxylic acid|CS-0043935|19991-69-6 https://www.jk-sci.com/products/ts246cs-0043961 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77a0771ab070cac392314821fc61d68c.jpg?v=1791342372 (3R,5S)-5-(Hydroxymethyl)pyrrolidin-3-ol hydrochloride, 97% | 478922-47-3 (3R,5S)-5-(Hydroxymethyl)pyrrolidin-3-ol hydrochloride|CS-0043961|478922-47-3 https://www.jk-sci.com/products/ts246cs-0043877 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111196.png?v=1791342516 Methyl 2-cyanonicotinate, 98% | 75358-89-3 Methyl 2-cyanonicotinate|CS-0043877|75358-89-3 https://www.jk-sci.com/products/ts246cs-0043898 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80397aa5f1d96d61202a73c4567fb175.jpg?v=1791342477 4-Fluoro-1H-indole-7-carbonitrile, 98% | 313337-33-6 4-Fluoro-1H-indole-7-carbonitrile|CS-0043898|313337-33-6 https://www.jk-sci.com/products/ts246cs-0043866 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa7f302248df52a2be70f6730c3ae507.jpg?v=1791342535 5-Methoxy-1-methyl-1H-benzo[d]imidazole, 98% | 10394-39-5 5-Methoxy-1-methyl-1H-benzo[d]imidazole|CS-0043866|10394-39-5 https://www.jk-sci.com/products/ts246cs-0043965 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ff2152d0d971c41fcd8eb3a672a7392.jpg?v=1791342359 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine, 98% | 27187-13-9 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine|CS-0043965|27187-13-9 https://www.jk-sci.com/products/ts246cs-0043978 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00aadcdbad56ae3a433e533242204d19.jpg?v=1791342341 4-Fluoro-1H-benzo[d]imidazol-2(3H)-one, 98% | 256519-10-5 4-Fluoro-1H-benzo[d]imidazol-2(3H)-one|CS-0043978|256519-10-5 https://www.jk-sci.com/products/ts246cs-0043971 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99c3b73aa01096ee726339caebe5b181.jpg?v=1791342347 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine, 98% | 898832-40-1 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine|CS-0043971|898832-40-1 https://www.jk-sci.com/products/ts246cs-0043984 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355488.png?v=1791342323 6-Fluoro-1H-indazol-3-amine, 96.17%+ | 404827-75-4 6-Fluoro-1H-indazol-3-amine|CS-0043984|404827-75-4 https://www.jk-sci.com/products/ts246cs-0043997 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4df1683776ca83f73cd2cedc67712441.jpg?v=1791342303 5-Methyl-2-aminobenzoxazol, 95% | 64037-15-6 5-Methyl-2-aminobenzoxazol|CS-0043997|64037-15-6 https://www.jk-sci.com/products/ts246cs-0044009 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76d87880c78d37e5e42c99e938eb2d5f.jpg?v=1791342277 5-Chloro-6-methylpyridin-2-ol, 95% | 103997-23-5 5-Chloro-6-methylpyridin-2-ol|CS-0044009|103997-23-5 https://www.jk-sci.com/products/ts246cs-0044005 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/457380.png?v=1791342284 3-Ethynylbenzoic acid, 98% | 10601-99-7 3-Ethynylbenzoic acid|CS-0044005|10601-99-7 https://www.jk-sci.com/products/ts246cs-0043999 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03d3ac945d73a308ac8ce91ac62a5c9d.jpg?v=1791342298 Bicyclo[4.2.0]octa-1,3,5-trien-3-ylboronic acid, 98% | 195730-31-5 Bicyclo[4.2.0]octa-1,3,5-trien-3-ylboronic acid|CS-0043999|195730-31-5 https://www.jk-sci.com/products/s57c4x-16666 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5390b7cd74f1b2d9237e16976660173a.jpg?v=1791375806 Irbesartan Impurity 6, 98.70% | 133690-91-2 Irbesartan Impurity 6|C4X-16666|133690-91-2 https://www.jk-sci.com/products/s57c4x-166714 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13f9f73ac3bb06772d329b591a7b894b_78bee791-960c-48d8-8f15-4d3149d1e500.jpg?v=1791375800 Irinotecan Impurity 14, 99.90% | 110351-94-5 Irinotecan Impurity 14|C4X-166714|110351-94-5 https://www.jk-sci.com/products/s57c4x-16672 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9449b99e887bc96d51c6a9e2e8348c1f.jpg?v=1791375801 Irinotecan EP Impurity A, 91.30% | 103816-16-6 Irinotecan EP Impurity A|C4X-16672|103816-16-6 https://www.jk-sci.com/products/s57c4x-166732 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ceb26260afa1579c67a2672119a2592.jpg?v=1791375790 Irinotecan EP Impurity M, 98.00% | 185336-12-3 Irinotecan EP Impurity M|C4X-166732|185336-12-3 https://www.jk-sci.com/products/s57c4x-166749 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cf7cf8e4954ea024eca2e5bcc04dd04.jpg?v=1791375785 Irinotecan Impurity 49, 96.90% | 177611-40-4 Irinotecan Impurity 49|C4X-166749|177611-40-4 https://www.jk-sci.com/products/s57c4x-1669 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526973.png?v=1791375780 Ketorolac Trometamol, 88.30% | 74103-07-4 Ketorolac Trometamol|C4X-1669|74103-07-4 https://www.jk-sci.com/products/s57c4x-166915 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b32f842b85190a0825b133457248d6c.jpg?v=1791375769 Ketorolac EP Impurity I, 98.40% | 113502-55-9 Ketorolac EP Impurity I|C4X-166915|113502-55-9 https://www.jk-sci.com/products/s57c4x-166913 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d69914c1fc41cb57a60c4b44443612f3.jpg?v=1791375774 Ketorolac EP Impurity C, 96.70% | 1026936-07-1 Ketorolac EP Impurity C|C4X-166913|1026936-07-1 https://www.jk-sci.com/products/s57c4x-166936 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02f6fcfecd1232e236615b0afc23be61.jpg?v=1791375760 Ketorolac Impurity 36, Purity: 100.0% | 7697-46-3 Ketorolac Impurity 36|C4X-166936|7697-46-3 https://www.jk-sci.com/products/s57c4x-166911 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118417d65a7d1981127ead532bda4fab.jpg?v=1791375780 Ketorolac EP Impurity A, 96.50% | 154476-25-2 Ketorolac EP Impurity A|C4X-166911|154476-25-2 https://www.jk-sci.com/products/s57c4x-166931 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481664.png?v=1791375763 Ketorolac, 99.60% | 74103-06-3 Ketorolac|C4X-166931|74103-06-3 https://www.jk-sci.com/products/s57c4x-166919 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e3b0f36b-0dc2-4998-af27-14353cb76694.png?v=1791375769 Ketorolac Impurity 19, Purity: 100.0% Ketorolac Impurity 19|C4X-166919 https://www.jk-sci.com/products/s57c4x-16698 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74c49bb1b480cd3bc645df93c4777f24.jpg?v=1791375751 Ketorolac EP Impurity H, 98.30% | 80965-09-9 Ketorolac EP Impurity H|C4X-16698|80965-09-9 https://www.jk-sci.com/products/s57c4x-166952 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8395bd2037c538d3aaa2d5ef468c0715.jpg?v=1791375752 Ketorolac Impurity 52, 99.90% | 147088-89-9 Ketorolac Impurity 52|C4X-166952|147088-89-9 https://www.jk-sci.com/products/s57c4x-16695 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b62738773cdfba4750f1e2a44035626b.jpg?v=1791375756 Ketorolac EP Impurity E, 97.30% | 167105-80-8 Ketorolac EP Impurity E|C4X-16695|167105-80-8 https://www.jk-sci.com/products/s57c4x-16713 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f09f1cfaf9a1a3a7758a78237cb6984f.jpg?v=1791375745 Lacidipine BP Impurity B, 99.90% | 130996-24-6 Lacidipine BP Impurity B|C4X-16713|130996-24-6 https://www.jk-sci.com/products/s57c4x-167210 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b759c385e0b05198342e2b304cc028.jpg?v=1791375743 Lamotrigine EP Impurity B, 95.40% | 94213-24-8 Lamotrigine EP Impurity B|C4X-167210|94213-24-8 https://www.jk-sci.com/products/ts246cs-0044023 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514193.png?v=1791342254 2-(4-Methyl-1H-pyrazol-1-yl)acetic acid, 97% | 956364-44-6 2-(4-Methyl-1H-pyrazol-1-yl)acetic acid|CS-0044023|956364-44-6 https://www.jk-sci.com/products/ts246cs-0044028 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153570.png?v=1791342250 (3-Methoxypyridin-2-yl)methanol, 99.85%+ | 51984-46-4 (3-Methoxypyridin-2-yl)methanol|CS-0044028|51984-46-4 https://www.jk-sci.com/products/s57c4x-16722 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a044b22ae5ab29abb5fa032cecd40f.jpg?v=1791375735 Lamotrigine EP Impurity F, 94.90% | 252186-79-1 Lamotrigine EP Impurity F|C4X-16722|252186-79-1 https://www.jk-sci.com/products/s57c4x-16727 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_776b807d-38a9-4feb-8c6c-c7dcba86df64.png?v=1791375727 Lamotrigine-13cd3, Purity>95% Lamotrigine-13cd3|C4X-16727 https://www.jk-sci.com/products/s57c4x-16724 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6000254475c20d5d01fc604ce1199c5.jpg?v=1791375731 Lamotrigine EP Impurity C, 96.60% | 94213-23-7 Lamotrigine EP Impurity C|C4X-16724|94213-23-7 https://www.jk-sci.com/products/s57c4x-167315 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200621.png?v=1791375723 Leflunomide Impurity 15, 94.80% | 4637-24-5 Leflunomide Impurity 15|C4X-167315|4637-24-5 https://www.jk-sci.com/products/s57c4x-16733 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ddb647a8938fe7e1bd42a1031b8f5a1.jpg?v=1791375721 Leflunomide EP Impurity C, 96.30% | 61643-23-0 Leflunomide EP Impurity C|C4X-16733|61643-23-0 https://www.jk-sci.com/products/s57c4x-167612 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3aecf36c504b98b4c3976f1a4aea9f0.jpg?v=1791375711 Levodopa Impurity 12, 99.10% | 25520-73-4 Levodopa Impurity 12|C4X-167612|25520-73-4 https://www.jk-sci.com/products/s57c4x-16762 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122039.png?v=1791375702 Levodopa EP Impurity C, 91.20% | 7636-26-2 Levodopa EP Impurity C|C4X-16762|7636-26-2 https://www.jk-sci.com/products/s57c4x-16735 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/175a87e119c5301288c2a1ce0fd854f0.jpg?v=1791375715 Leflunomide EP Impurity E, Purity: 96.7% | 208401-20-1 Leflunomide EP Impurity E|C4X-16735|208401-20-1 https://www.jk-sci.com/products/s57c4x-16739 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/849825cc6893ae8e0390e022645777c8_4bcbf38b-21bf-4016-bdbb-4a7f7f456930.jpg?v=1791375713 Leflunomide EP Impurity B (Teriflunomide), 90.90% | 163451-81-8 Leflunomide EP Impurity B (Teriflunomide)|C4X-16739|163451-81-8 https://www.jk-sci.com/products/ts246cs-0108027 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359030.png?v=1791320353 EGNHS, 97% | 70539-42-3 EGNHS|CS-0108027|70539-42-3 https://www.jk-sci.com/products/s57c4x-16767 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b12f4d4e05e8c1d17af1051bcf6a938a.jpg?v=1791375693 L-Veratrylglycine, 99.70% | 32161-30-1 L-Veratrylglycine|C4X-16767|32161-30-1 https://www.jk-sci.com/products/s57c4x-167722 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e874847e9a7dbf702d08fecc171ddd34.jpg?v=1791375654 Levonorgestrel EP Impurity W, 97.40% | 155683-59-3 Levonorgestrel EP Impurity W|C4X-167722|155683-59-3 https://www.jk-sci.com/products/s57c4x-167712 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123673.png?v=1791375687 Levonorgestrel EP Impurity L, 99.20% | 21800-83-9 Levonorgestrel EP Impurity L|C4X-167712|21800-83-9 https://www.jk-sci.com/products/s57c4x-16771 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b46162afc92b9d8c902d59b2cf95e42.jpg?v=1791375688 Levonorgestrel EP Impurity A, 92.10% | 1260525-53-8 Levonorgestrel EP Impurity A|C4X-16771|1260525-53-8 https://www.jk-sci.com/products/s57c4x-167714 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f00cd80ee4735c181eec269ecb0da811.jpg?v=1791375681 Levonorgestrel EP Impurity N, 99.30% | 4222-96-2 Levonorgestrel EP Impurity N|C4X-167714|4222-96-2 https://www.jk-sci.com/products/s57c4x-167716 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553dcbd548d299bb0b4ed7eaaa0644d9.jpg?v=1791375675 Levonorgestrel EP Impurity P, 94.10% | 100021-05-4 Levonorgestrel EP Impurity P|C4X-167716|100021-05-4 https://www.jk-sci.com/products/s57c4x-167719 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc0d328495ef5be4812abd8716fe4ee.jpg?v=1791375676 Levonorgestrel EP Impurity S, 99.00% | 176254-10-7 Levonorgestrel EP Impurity S|C4X-167719|176254-10-7 https://www.jk-sci.com/products/s57c4x-167720 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7206240c1bcc6d3634b50415c69a9dd7.jpg?v=1791375664 Levonorgestrel EP Impurity T, 99.30% | 14507-51-8 Levonorgestrel EP Impurity T|C4X-167720|14507-51-8 https://www.jk-sci.com/products/s57c4x-16777 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eff1441df8dee2ec6a657c28bff04129.jpg?v=1791375648 Levonorgestrel EP Impurity G, 99.60% | 87585-03-3 Levonorgestrel EP Impurity G|C4X-16777|87585-03-3 https://www.jk-sci.com/products/s57c4x-16779 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec741dd93d2a40fb2570f18e7478429.jpg?v=1791375643 Levonorgestrel EP Impurity I, 95.80% | 21508-50-9 Levonorgestrel EP Impurity I|C4X-16779|21508-50-9 https://www.jk-sci.com/products/s57c4x-16773 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26ddf5d820f58dc9dc6cb68934c2d80b.jpg?v=1791375648 Levonorgestrel EP Impurity C, 94.70% | 1337972-89-0 Levonorgestrel EP Impurity C|C4X-16773|1337972-89-0 https://www.jk-sci.com/products/s57c4x-167810 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4084191b1fee67cbb59db1e2d12db07c.jpg?v=1791375638 Levothyroxine N-Acetyl Impurity, 91.70% | 26041-51-0 Levothyroxine N-Acetyl Impurity|C4X-167810|26041-51-0 https://www.jk-sci.com/products/a01316759 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316759.png?v=1790211391 4-Chloro-D-mandelic acid, 98% | 32189-36-9 4-Chloro-D-mandelic acid, 98%|316759|32189-36-9 https://www.jk-sci.com/products/ts246cs-0043045 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210269.png?v=1791343272 6-Methoxy-1-naphthoic acid, 97.27%+ | 36112-61-5 6-Methoxy-1-naphthoic acid|CS-0043045|36112-61-5 https://www.jk-sci.com/products/ts246cs-0043074 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296ffee55d045189aa9909d5c837509d.jpg?v=1791343222 6-Bromo-N-methylpyridazin-3-amine, 97% | 1208657-07-1 6-Bromo-N-methylpyridazin-3-amine|CS-0043074|1208657-07-1 https://www.jk-sci.com/products/j5303087 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f95f82537cfe6a2d41f82e16bad0b0b0.jpg?v=1791419929 L-Leucine amide hydrochloride, Purity by HPLC ≥ 99% | 10466-61-2 L-Leucine amide hydrochloride|03087|10466-61-2 https://www.jk-sci.com/products/a01317430 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317430.png?v=1788923228 2–Carbomethoxy–3–tropinone, 96% | 36127-17-0 2–Carbomethoxy–3–tropinone, 96%|317430|36127-17-0 https://www.jk-sci.com/products/j5303357 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87ed1e20c761d5e57abd12d3eb07fb38.jpg?v=1791419547 Gly-Gln-OH·H2O, Assay by titration 98.5 - 101.5% | 131115-71-4 Gly-Gln-OH·H2O|03357|131115-71-4 https://www.jk-sci.com/products/ts246cs-0043086 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c874a414f4a3aa04df1022f362afb3d1.jpg?v=1791343201 7-Hydroxyquinoline-3-carboxylic acid, 95% | 659730-27-5 7-Hydroxyquinoline-3-carboxylic acid|CS-0043086|659730-27-5 https://www.jk-sci.com/products/s57c4x-16782 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c165524452e7ab5f6265ff6de7766c54.jpg?v=1791375628 Levothyroxine EP Impurity B, 95.40% | 1628720-66-0 Levothyroxine EP Impurity B|C4X-16782|1628720-66-0 https://www.jk-sci.com/products/s57c4x-167826 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b7c8960c303a9d025477457267b21ab.jpg?v=1791375624 Levothyroxine Impurity 26, 95.30% | 176258-88-1 Levothyroxine Impurity 26|C4X-167826|176258-88-1 https://www.jk-sci.com/products/ts246cs-0043150 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c07fd9a1870bb9ae0258a5ece35f931b.jpg?v=1791343120 Ethyl 2-amino-5-fluorobenzoate, 99.35%+ | 391-93-5 Ethyl 2-amino-5-fluorobenzoate|CS-0043150|391-93-5 https://www.jk-sci.com/products/ts246cs-0043096 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38ed2b273b3d3e2f70017ed489514848.jpg?v=1791343189 8-Chloro-6-methoxyquinoline, 97% | 796851-15-5 8-Chloro-6-methoxyquinoline|CS-0043096|796851-15-5 https://www.jk-sci.com/products/ts246cs-0043116 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230290.png?v=1791343160 Ethyl pyrrolo[1,2-c]pyrimidine-3-carboxylate, 97% | 107407-80-7 Ethyl pyrrolo[1,2-c]pyrimidine-3-carboxylate|CS-0043116|107407-80-7 https://www.jk-sci.com/products/ts246cs-0043164 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10ea896d2411c66431a10cd1962117a4.jpg?v=1791343099 5-Chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine, 98% | 1116136-63-0 5-Chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine|CS-0043164|1116136-63-0 https://www.jk-sci.com/products/j5303574 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358fe4afd21918df3e5c6a6a5ecdeb82.jpg?v=1791419395 Boc-(3R)-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid, Purity by HPLC ≥ 99% | 214630-00-9 Boc-(3R)-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid|03574|214630-00-9 https://www.jk-sci.com/products/ts246cs-0043195 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60674cc7e7e080fd04de7e4d2a76bdef.jpg?v=1791343047 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one, 98.00%+ | 1260018-63-0 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one|CS-0043195|1260018-63-0 https://www.jk-sci.com/products/ts246cs-0043729 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400011.png?v=1791342767 H-allo-Thr(tBu)-OH, 97% | 201353-89-1 H-allo-Thr(tBu)-OH|CS-0043729|201353-89-1 https://www.jk-sci.com/products/ts246cs-0043415 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/858528a6e6b0d13a6b72015c631f2565.jpg?v=1791342971 Methyl 4-ethoxy-3-oxobutanoate, 95% | 415678-65-8 Methyl 4-ethoxy-3-oxobutanoate|CS-0043415|415678-65-8 https://www.jk-sci.com/products/ts246cs-0043282 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c169ea9af48b362812ec3415700b30bb.jpg?v=1791343021 7-Bromo-6-fluoro-2,3-dihydro-4H-1-benzopyran-4-one, 95.58%+ | 27407-12-1 7-Bromo-6-fluoro-2,3-dihydro-4H-1-benzopyran-4-one|CS-0043282|27407-12-1 https://www.jk-sci.com/products/ts246cs-0043490 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc819bb62cf22a70e8e072125fd95295.jpg?v=1791342955 2-Hydroxyacetimidamide hydrochloride, 97% | 54198-71-9 2-Hydroxyacetimidamide hydrochloride|CS-0043490|54198-71-9 https://www.jk-sci.com/products/ts246cs-0043595 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388796_6780ba59-44d6-453e-ade8-722bfe9e3a9e.png?v=1791342920 (4-Fluorophenyl)methanol, 97% | 459-56-3 (4-Fluorophenyl)methanol|CS-0043595|459-56-3 https://www.jk-sci.com/products/s57c4x-16783 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328256_ffaaadaf-78f9-4c02-9a5e-cd904c4f6a18.png?v=1791375620 Levothyroxine EP Impurity C, 95.50% | 51-24-1 Levothyroxine EP Impurity C|C4X-16783|51-24-1 https://www.jk-sci.com/products/s57c4x-167831 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283832.png?v=1791375617 Levothyroxine Related Compound, 80.20% | 93647-48-4 Levothyroxine Related Compound|C4X-167831|93647-48-4 https://www.jk-sci.com/products/s57c4x-167849 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7981009947d4ea3b7250bfe95a7e4de6.jpg?v=1791375614 Levothyroxine Impurity 49, 94.90% | 106822-80-4 Levothyroxine Impurity 49|C4X-167849|106822-80-4 https://www.jk-sci.com/products/ts246cs-0043668 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d49091c2d6c6ae26e712cbfd4dad2ab.jpg?v=1791342884 Methyl 3-amino-5-bromo-4-hydroxybenzoate, 96% | 260249-10-3 Methyl 3-amino-5-bromo-4-hydroxybenzoate|CS-0043668|260249-10-3 https://www.jk-sci.com/products/s57c4x-16786 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531bb3d4aaa21a12188410da47dad18b.jpg?v=1791375609 Levothyroxine EP Impurity F, 90.90% | 911661-90-0 Levothyroxine EP Impurity F|C4X-16786|911661-90-0 https://www.jk-sci.com/products/s57c4x-16789 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c669b98719c68f1831371febe7dec36.jpg?v=1791375607 Levothyroxine EP Impurity I, 78.40% | 2016-06-0 Levothyroxine EP Impurity I|C4X-16789|2016-06-0 https://www.jk-sci.com/products/ts246cs-0043686 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cb7bbbc524f2b00d0d2cd02fc3d0b59.jpg?v=1791342833 6-Nitro-1,2,3,4-tetrahydroquinoline, 96% | 14026-45-0 6-Nitro-1,2,3,4-tetrahydroquinoline|CS-0043686|14026-45-0 https://www.jk-sci.com/products/ts246cs-0043706 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124496.png?v=1791342808 5-Chloro-1H-indole-3-carbonitrile, 97% | 194490-14-7 5-Chloro-1H-indole-3-carbonitrile|CS-0043706|194490-14-7 https://www.jk-sci.com/products/ts246cs-0043760 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1482274.png?v=1791342696 (S)-Pyrrolidin-2-ylmethanamine dihydrochloride, 95% | 103382-84-9 (S)-Pyrrolidin-2-ylmethanamine dihydrochloride|CS-0043760|103382-84-9 https://www.jk-sci.com/products/ts246cs-0043798 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b5fbdba362101990e2be19c8113e3f7.jpg?v=1791342649 5-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one, 96% | 1190314-60-3 5-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one|CS-0043798|1190314-60-3 https://www.jk-sci.com/products/ts246cs-0043776 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec191a0837f56b0ab90999709a0c08e5.jpg?v=1791342674 5-Chloro-3-(trifluoromethyl)-1H-pyrazole, 95% | 131797-35-8 5-Chloro-3-(trifluoromethyl)-1H-pyrazole|CS-0043776|131797-35-8 https://www.jk-sci.com/products/ts246cs-0043823 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a526b38cdbc7d495c6a8bd5bb4e511e.jpg?v=1791342610 4-Amino-3-nitrobenzaldehyde, 96% | 51818-99-6 4-Amino-3-nitrobenzaldehyde|CS-0043823|51818-99-6 https://www.jk-sci.com/products/ts246cs-0043835 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/715ec233380350d83578b3146c263776.jpg?v=1791342589 7-Fluoro-3,4-dihydroquinolin-2(1H)-one, 98% | 4590-52-7 7-Fluoro-3,4-dihydroquinolin-2(1H)-one|CS-0043835|4590-52-7 https://www.jk-sci.com/products/ts246cs-0043852 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a3b6076eebbbb1e78290081bc22a428.jpg?v=1791342559 8-Fluoroquinolin-2(1H)-one, 97.00%+ | 71738-83-5 8-Fluoroquinolin-2(1H)-one|CS-0043852|71738-83-5 https://www.jk-sci.com/products/ts246cs-0043889 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4067e0e3baecb71d7e0ea92868186d6.jpg?v=1791342489 2-(Difluoromethoxy)pyridin-4-ol, 99.79%+ | 205043-09-0 2-(Difluoromethoxy)pyridin-4-ol|CS-0043889|205043-09-0 https://www.jk-sci.com/products/j5303747 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b353956ee787a084aa62fffe881f80bf.jpg?v=1791419245 Fmoc-O-phospho-L-tyrosine, Purity by HPLC ≥ 98% | 147762-53-6 Fmoc-O-phospho-L-tyrosine|03747|147762-53-6 https://www.jk-sci.com/products/j5303808 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cecd21fe27eb9520120ecb7ca6533a51.jpg?v=1791419155 Boc-L-b-indanylglycine, Purity by HPLC ≥ 99% | 181227-47-4 Boc-L-b-indanylglycine|03808|181227-47-4 https://www.jk-sci.com/products/ts246cs-0043963 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a54348d08a43e48d0fb280ca37d91a80.jpg?v=1791342366 5-Chloro-7H-pyrrolo[2,3-d]pyrimidine, 98.25%+ | 1041864-02-1 5-Chloro-7H-pyrrolo[2,3-d]pyrimidine|CS-0043963|1041864-02-1 https://www.jk-sci.com/products/ts246cs-0043934 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb8af9b37ce5aa5d310f4cb14c78784c.jpg?v=1791342421 Ethyl 3-oxa-bicyclo[3.1.0]hexane-6-carboxylate, 95% | 335599-07-0 Ethyl 3-oxa-bicyclo[3.1.0]hexane-6-carboxylate|CS-0043934|335599-07-0 https://www.jk-sci.com/products/ts246cs-0043896 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277bf273151a5ed8ca5cdf6a6103e476.jpg?v=1791342479 1-Methyl-1H-indazole-5-carbaldehyde, 97% | 872607-89-1 1-Methyl-1H-indazole-5-carbaldehyde|CS-0043896|872607-89-1 https://www.jk-sci.com/products/ts246cs-0043908 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257778.png?v=1791342459 8-Methoxyquinoline, 98% | 938-33-0 8-Methoxyquinoline|CS-0043908|938-33-0 https://www.jk-sci.com/products/ts246cs-0043972 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/572313_4140c706-cff3-4d93-b4b9-15a61e28bc83.png?v=1791342346 (6-Methoxypyridin-2-yl)boronic acid, 97% | 372963-51-4 (6-Methoxypyridin-2-yl)boronic acid|CS-0043972|372963-51-4 https://www.jk-sci.com/products/j5303875 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/808b022262054b85536b0f770546f6ef.jpg?v=1791419052 Z-L-glutamic acid a-methyl ester, Purity by HPLC ≥ 98% | 5672-83-3 Z-L-glutamic acid a-methyl ester|03875|5672-83-3 https://www.jk-sci.com/products/ts246cs-0044000 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b27de6ee2241effca4619938b3d402c.jpg?v=1791342297 exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride, 95.00%+ | 39245-79-9 exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride|CS-0044000|39245-79-9 https://www.jk-sci.com/products/ts246cs-0043995 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/168264c4ee19ed980fe5eeb3638c1cad.jpg?v=1791342304 7-Methoxy-1H-benzo[d]imidazole, 98% | 27080-53-1 7-Methoxy-1H-benzo[d]imidazole|CS-0043995|27080-53-1 https://www.jk-sci.com/products/ts246cs-0044017 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254180d5f047101439fee9d277bc05ff.jpg?v=1791342265 Ethyl isoxazole-5-carboxylate, 97% | 173850-41-4 Ethyl isoxazole-5-carboxylate|CS-0044017|173850-41-4 https://www.jk-sci.com/products/ts246cs-0043055 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4fda435ab1eb89ba907112c1b21ef6c.jpg?v=1791343250 6-Chloro-5-cyanopicolinic acid, 98% | 53234-56-3 6-Chloro-5-cyanopicolinic acid|CS-0043055|53234-56-3 https://www.jk-sci.com/products/ts246cs-0043092 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501e17685182052e311ba40210f4832a.jpg?v=1791343190 8-Fluoroquinoline-3-carboxylic acid, 98% | 71082-53-6 8-Fluoroquinoline-3-carboxylic acid|CS-0043092|71082-53-6 https://www.jk-sci.com/products/ts246cs-0043126 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e5d5fef6e5aa204c3899b97f5e9256e.jpg?v=1791343142 Methyl 5-amino-6-methoxynicotinate, 95% | 59237-50-2 Methyl 5-amino-6-methoxynicotinate|CS-0043126|59237-50-2 https://www.jk-sci.com/products/ts246cs-0043180 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8d61a4b417a45176ff754db1a4e600b.jpg?v=1791343057 Ethyl 2-(benzo[d]oxazol-2-yl)acetate, 96% | 16105-44-5 Ethyl 2-(benzo[d]oxazol-2-yl)acetate|CS-0043180|16105-44-5 https://www.jk-sci.com/products/s57c4x-167911 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a817e869cb9f4ffd3409b207787c9684.jpg?v=1791375602 Lidocaine EP Impurity K Hydrochloride, 97.90% | 50295-20-0 Lidocaine EP Impurity K Hydrochloride|C4X-167911|50295-20-0 https://www.jk-sci.com/products/s57c4x-167915 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0f6433e25403d0011d4dabe80f7b491.jpg?v=1791375597 Lidocaine EP Impurity D, 96.60% | 7728-40-7 Lidocaine EP Impurity D|C4X-167915|7728-40-7 https://www.jk-sci.com/products/s57c4x-167927 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463546.png?v=1791375587 Lidocaine Impurity 27, Purity: 99.3% | 5177-35-5 Lidocaine Impurity 27|C4X-167927|5177-35-5 https://www.jk-sci.com/products/s57c4x-167921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128a6a9217c0c508fb1970035598b806.jpg?v=1791375592 Lidocaine EP Impurity F, 99.10% | 142713-08-4 Lidocaine EP Impurity F|C4X-167921|142713-08-4 https://www.jk-sci.com/products/j5303949 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ea49b89523fe8d1caf7ea75e7234fcf.jpg?v=1791418957 Boc-4-(Fmoc-amino)-L-phenylalanine, Purity by HPLC ≥ 98% | 114346-31-5 Boc-4-(Fmoc-amino)-L-phenylalanine|03949|114346-31-5 https://www.jk-sci.com/products/s57c4x-167936 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c6a1c0d7ad9ed67c9ef86bfeedd49de.jpg?v=1791375581 Lidocaine EP Impurity G, Purity: 99.8% | 42459-30-3 Lidocaine EP Impurity G|C4X-167936|42459-30-3 https://www.jk-sci.com/products/s57c4x-167943 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8cf1be01-f2d5-4481-ad3e-314b8ac500f9.png?v=1791375577 Lidocaine Impurity 43, 99.10% Lidocaine Impurity 43|C4X-167943 https://www.jk-sci.com/products/s57c4x-153233 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589943_58593a5a-12af-4957-8d2c-0661aa4e73ab.png?v=1791376768 Acetylcysteine Impurity 33, 92.30% | 15058-19-2 Acetylcysteine Impurity 33|C4X-153233|15058-19-2 https://www.jk-sci.com/products/s57c4x-154915 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c12dc910-e75a-4cfd-8ea7-8bfa9a7444b8.png?v=1791376663 Atenolol EP Impurity G HCl, 90.60% Atenolol EP Impurity G HCl|C4X-154915 https://www.jk-sci.com/products/s57c4x-154220 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2b220dd7-419c-4947-9d75-a386242546ad.png?v=1791376695 Amorolfine EP Impurity C HCI, 96.50% Amorolfine EP Impurity C HCI|C4X-154220 https://www.jk-sci.com/products/s57c4x-15637 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256ed570ff9ce45b74197859f0667b6c.jpg?v=1791376561 Biotin Impurity 7, 98.10% | 21788-37-4 Biotin Impurity 7|C4X-15637|21788-37-4 https://www.jk-sci.com/products/s57c4x-156013 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28cb9edcbda4f98639b2a67180f5ab68.jpg?v=1791376598 N-octadecylpalmitamide, Purity: 98.1% | 130754-61-9 N-octadecylpalmitamide|C4X-156013|130754-61-9 https://www.jk-sci.com/products/s57c4x-155032 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a7c1116a-7f15-4f72-8c40-c3e4fc5bb98e.png?v=1791376626 Atomoxetine Impurity 32, Purity: 97.0% Atomoxetine Impurity 32|C4X-155032 https://www.jk-sci.com/products/j5303995 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa728059de8aaf076982abdc5d02ead.jpg?v=1791418895 Na,e-Bis-Boc-L-lysine 4-nitrophenyl ester, Purity by HPLC ≥ 98% | 2592-19-0 Na,e-Bis-Boc-L-lysine 4-nitrophenyl ester|03995|2592-19-0 https://www.jk-sci.com/products/j5304047 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90e125809ccc0de9c12abfc99c7b5cf.jpg?v=1791418820 Boc-D-alanine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 34404-33-6 Boc-D-alanine N-hydroxysuccinimide ester|04047|34404-33-6 https://www.jk-sci.com/products/j5304091 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36ec39a88800bfd12362d4fb3b2eef06.jpg?v=1791418759 Fmoc-4-bromo-D-phenylalanine, Purity by HPLC ≥ 98% | 198545-76-5 Fmoc-4-bromo-D-phenylalanine|04091|198545-76-5 https://www.jk-sci.com/products/j5304108 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5a2c11811217f52b5e5f644781e8626.jpg?v=1791418722 Fmoc-3-cyano-L-phenylalanine, Purity ≥ 99% | 205526-36-9 Fmoc-3-cyano-L-phenylalanine|04108|205526-36-9 https://www.jk-sci.com/products/j5304139 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e70d2d5a493884f31dd5f62cafb2dc6.jpg?v=1791418661 Fmoc-2-fluoro-D-phenylalanine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98% | 198545-46-9 Fmoc-2-fluoro-D-phenylalanine|04139|198545-46-9 https://www.jk-sci.com/products/s57c4x-156637 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e55cc14-6d6e-418d-8d78-97f28c86c796.png?v=1791376522 Brimonidine EP Impurity G HCl, Purity: 98.9% Brimonidine EP Impurity G HCl|C4X-156637 https://www.jk-sci.com/products/ts246cs-0043332 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18f1a712e52d63afb9aca2c248078d53.jpg?v=1791342992 Oxetane-3-carbonitrile, 97.17%+ | 1420800-16-3 Oxetane-3-carbonitrile|CS-0043332|1420800-16-3 https://www.jk-sci.com/products/j5304160 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e9d7d6d396787e3db3f70324e20c741.jpg?v=1791418631 Fmoc-L-thiaproline, Purity by HPLC ≥ 97% | 133054-21-4 Fmoc-L-thiaproline|04160|133054-21-4 https://www.jk-sci.com/products/ts246cs-0043565 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1150273_d7facd8b-e5e1-4a78-a766-ac25e1acca26.png?v=1791342949 COMU, 97% | 1075198-30-9 COMU|CS-0043565|1075198-30-9 https://www.jk-sci.com/products/ts246cs-0043674 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f17b46efc1843a93688815e36f99311.jpg?v=1791342860 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carboxylate, 97% | 676501-89-6 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carboxylate|CS-0043674|676501-89-6 https://www.jk-sci.com/products/s57c4x-157413 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d07865e2-70fd-424e-9695-45fdaef23626.png?v=1791376494 Carvedilol impurity 13, 99.00% Carvedilol impurity 13|C4X-157413 https://www.jk-sci.com/products/j5304272 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93be8bef6fb7343702bd749c82efdc09_30c0659b-e3a3-4099-8060-d41e4a4cec48.jpg?v=1791418533 4-Hydroxymethylated polystyrene, Mesh Size 100-200 || Substitution (meq/g) 0.8-1.2 meq/g | 66072-40-0 4-Hydroxymethylated polystyrene|04272|66072-40-0 https://www.jk-sci.com/products/j5304370 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f78817deca3cc7cc0052377279c8ab9c.jpg?v=1791418427 Na-Acetyl-L-lysine methyl amide | 6367-10-8 Na-Acetyl-L-lysine methyl amide|04370|6367-10-8 https://www.jk-sci.com/products/j5304313 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d7c9e0db10cac4ef2f4bed9a9e2e813.jpg?v=1791418473 Cysteamine 2-chlorotrityl resin, Mesh Size 200 - 400 mesh || Substitution (meq/g) 0.4 - 1.5 meq/g Cysteamine 2-chlorotrityl resin|04313 https://www.jk-sci.com/products/j5304222 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cee4636edd2a96306e389e8beb8388b1.jpg?v=1791418568 Fmoc-4-nitro-L-phenylalanine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Fmoc-4-nitro-L-phenylalanine 4-alkoxybenzyl alcohol resin|04222 https://www.jk-sci.com/products/j5304344 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8ee1435b4f64fcf545cb3e2e8b082ee.jpg?v=1791418451 Acetyl-4-bromo-DL-phenylalanine, Purity by HPLC ≥ 98% | 273730-59-9 Acetyl-4-bromo-DL-phenylalanine|04344|273730-59-9 https://www.jk-sci.com/products/j5304381 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e526a73e4980920a88a2beaa3f9f00ec.jpg?v=1791418400 Acetyl-DL-phenylalanine, Assay ≥ 99% | 2901-75-9 Acetyl-DL-phenylalanine|04381|2901-75-9 https://www.jk-sci.com/products/s57c4x-157727 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e41f50a7-4acf-437a-b0fc-1abe822facee.png?v=1791376459 Cefazolin EP Impurity I（Cefazolin USP RC L）, 91.80% | 1675244-99-1 Cefazolin EP Impurity I（Cefazolin USP RC L）|C4X-157727|1675244-99-1 https://www.jk-sci.com/products/j5304416 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b274ba3c1e02165a2bd5e88652564845.jpg?v=1791418363 Ng-Trityl-L-asparagine hydrate, Purity by HPLC ≥ 97% | 132388-58-0 Ng-Trityl-L-asparagine hydrate|04416|132388-58-0 https://www.jk-sci.com/products/j5304435 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45b91b291bdd285f77f16cb171afcab3.jpg?v=1791418338 O-tert-Butyl-L-trans-4-hydroxyproline | 79775-07-8 O-tert-Butyl-L-trans-4-hydroxyproline|04435|79775-07-8 https://www.jk-sci.com/products/s57c4x-15799 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_943426e5-70c8-460c-a496-10632b4220a4.png?v=1791376429 Cefpodoxime Proxetil Impurity 9, 94.20% Cefpodoxime Proxetil Impurity 9|C4X-15799 https://www.jk-sci.com/products/j5304448 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a06eb6a3c33df3fa92c666d165228927.jpg?v=1791418322 D-Pyroglutamic acid ethyl ester, Purity ≥ 98% (NMR) | 68766-96-1 D-Pyroglutamic acid ethyl ester|04448|68766-96-1 https://www.jk-sci.com/products/ts246cs-0043712 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a26817c63bf5337b33267fd70f0b2eaf.jpg?v=1791342797 Methyl imidazo[1,2-a]pyridine-8-carboxylate, 97% | 133427-07-3 Methyl imidazo[1,2-a]pyridine-8-carboxylate|CS-0043712|133427-07-3 https://www.jk-sci.com/products/s57c4x-158918 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438996_db1de6b2-e0c5-467c-bbe1-d9259a9906af.png?v=1791376394 Cimetidine EP Impurity I, 98.70% | 29636-87-1 Cimetidine EP Impurity I|C4X-158918|29636-87-1 https://www.jk-sci.com/products/ts246cs-0043771 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ce3d59ccde7ee4bcc71f39357cf5537.jpg?v=1791342684 (3-Fluoro-4-nitrophenyl)methanol, 98% | 503315-74-0 (3-Fluoro-4-nitrophenyl)methanol|CS-0043771|503315-74-0 https://www.jk-sci.com/products/j5304621 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/909d71db4720657e6182bcd1391c2fc8.jpg?v=1791418211 L-Prolyl-L-alanine, Assay ≥ 90% (Elemental analysis based on Nitrogen content) | 6422-36-2 L-Prolyl-L-alanine|04621|6422-36-2 https://www.jk-sci.com/products/s57c4x-159031 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffd3ca7a2d90ec28d0ea890af76e1898.jpg?v=1791376359 Safinamide Impurity 31, 99.60% | 202825-43-2 Safinamide Impurity 31|C4X-159031|202825-43-2 https://www.jk-sci.com/products/j5304459 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aea16deaafa58e5b325ed6f675aad0d0.jpg?v=1791418296 D-Valine amide hydrochloride, Assay ≥ 98% | 133170-58-8 D-Valine amide hydrochloride|04459|133170-58-8 https://www.jk-sci.com/products/j5304575 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53a38bcc49b7e8d40544e55654a738ed.jpg?v=1791418227 L-Leucine 7-amido-4-methylcoumarin hydrochloride, Purity by HPLC ≥ 98% | 62480-44-8 L-Leucine 7-amido-4-methylcoumarin hydrochloride|04575|62480-44-8 https://www.jk-sci.com/products/j5304511 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c1a2cd659dac36a40ce3264a7a427fb.jpg?v=1791418257 Boc-Gly-Pro-OH, Purity by HPLC ≥ 99% | 14296-92-5 Boc-Gly-Pro-OH|04511|14296-92-5 https://www.jk-sci.com/products/j5304632 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f647bcc252f307ffbd6294c60a5cace5.jpg?v=1791418203 L-Pyroglutamic acid 4-nitroanilide, Purity by HPLC ≥ 99% | 66642-35-1 L-Pyroglutamic acid 4-nitroanilide|04632|66642-35-1 https://www.jk-sci.com/products/ts246cs-0043807 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da93fe6ed95bed19c45618e107d2881d.jpg?v=1791342625 2-Chloro-4-methoxybenzonitrile, 98% | 127666-99-3 2-Chloro-4-methoxybenzonitrile|CS-0043807|127666-99-3 https://www.jk-sci.com/products/s57c4x-159168 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46b2fd446db611020635437e0bbc32d.jpg?v=1791376319 Parecoxib Impurity 68, 95.60% | 1373038-60-8 Parecoxib Impurity 68|C4X-159168|1373038-60-8 https://www.jk-sci.com/products/ts246cs-0043845 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05e794f5920a8ed403f844840b641abb.jpg?v=1791342569 4-Nitro-1H-1,2,3-benzotriazole, 97% | 6299-39-4 4-Nitro-1H-1,2,3-benzotriazole|CS-0043845|6299-39-4 https://www.jk-sci.com/products/ts246cs-0043917 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acfb25ec1e505e5ee12d05bb3dd8d5f0.jpg?v=1791342447 Ethyl tetrahydro-2H-pyran-4-carboxylate, 98.00%+ | 96835-17-5 Ethyl tetrahydro-2H-pyran-4-carboxylate|CS-0043917|96835-17-5 https://www.jk-sci.com/products/ts246cs-0043966 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca81ec753ec963fdcbd3037ba8cbc986.jpg?v=1791342360 5-amino-3-chloropicolinonitrile, 97% | 488713-31-1 5-amino-3-chloropicolinonitrile|CS-0043966|488713-31-1 https://www.jk-sci.com/products/ts246cs-0043998 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79d5e831bc43c1f999e0685b2b0f3cb3.jpg?v=1791342298 2-Ethynyl-4-fluorobenzaldehyde, 98% | 749874-24-6 2-Ethynyl-4-fluorobenzaldehyde|CS-0043998|749874-24-6 https://www.jk-sci.com/products/ts246cs-0043892 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/284ff307d078e9a8ce21e6e13608d9dc.jpg?v=1791342485 Methyl 2-ethynylbenzoate, 96.63%+ | 33577-99-0 Methyl 2-ethynylbenzoate|CS-0043892|33577-99-0 https://www.jk-sci.com/products/ts246cs-0044044 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413756.png?v=1791342220 6-Fluoro-5-methylnicotinonitrile, 95% | 261625-67-6 6-Fluoro-5-methylnicotinonitrile|CS-0044044|261625-67-6 https://www.jk-sci.com/products/ts246cs-0043111 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484569_7966a460-0ee2-47ad-95fe-977dcd4e8e1c.png?v=1791343167 N-Methyl-2-(trifluoromethoxy)aniline, 99.76%+ | 175278-04-3 N-Methyl-2-(trifluoromethoxy)aniline|CS-0043111|175278-04-3 https://www.jk-sci.com/products/j5304713 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ec0709020aba5858c671b5287cb9970.jpg?v=1791418176 Boc-3-(2'-pyridyl)-L-alanine, Purity by HPLC ≥ 99% | 71239-85-5 Boc-3-(2'-pyridyl)-L-alanine|04713|71239-85-5 https://www.jk-sci.com/products/j5304775 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0a427fd4a570b0599851b41d233e270.jpg?v=1791418147 TentaGel S RAM (0.2 - 0.8 meq/g, 90 μm), Mesh Size 90 μm || Substitution (meq/g) 0.2 - 0.8 meq/g TentaGel S RAM (0.2 - 0.8 meq/g, 90 μm)|04775 https://www.jk-sci.com/products/ts246cs-0043220 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48880814b549fc2f09ffe8b867f69710.jpg?v=1791343036 3-Chloro-4-ethylbenzenamine, 96% | 50775-72-9 3-Chloro-4-ethylbenzenamine|CS-0043220|50775-72-9 https://www.jk-sci.com/products/j5304782 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d793d5dc3b9f3a4fa0e5b374a6d44b6_a69115d0-1c3c-4a0d-bcd6-66b0adc3dfa7.jpg?v=1791418142 TentaGel S-COOH (0.2 - 0.5 meq/g, 130 μm), Substitution (meq/g) 0.2-0.5 meq/g TentaGel S-COOH (0.2 - 0.5 meq/g, 130 μm)|04782 https://www.jk-sci.com/products/ts246cs-0043604 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16c497c169d643a8eafeed57d15dad9e.jpg?v=1791342915 (5-Methoxypyrazin-2-yl)methanol, 98% | 72788-88-6 (5-Methoxypyrazin-2-yl)methanol|CS-0043604|72788-88-6 https://www.jk-sci.com/products/ts246cs-0043755 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331357_ba2a445d-3bbb-4b42-a60e-2e2663b69be0.png?v=1791342709 5-Methylpyridine-3-sulfonic acid, 96% | 4808-70-2 5-Methylpyridine-3-sulfonic acid|CS-0043755|4808-70-2 https://www.jk-sci.com/products/j5304789 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60dce04e545bf2b8e403336bbb23e5d7.jpg?v=1791418137 Fmoc-2-aminobenzoic acid, Purity by HPLC ≥ 98% | 150256-42-1 Fmoc-2-aminobenzoic acid|04789|150256-42-1 https://www.jk-sci.com/products/j5304797 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/702a83194941e85070cfc6f374afa521.jpg?v=1791418121 Fmoc-5-aminovaleric acid, Purity by HPLC ≥ 98% | 123622-48-0 Fmoc-5-aminovaleric acid|04797|123622-48-0 https://www.jk-sci.com/products/j5304814 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1e7fd25a4d6c0fac94ba8b38edb0f0_2c582ef7-a882-465a-8b2e-39e54d503e43.jpg?v=1791418112 Triphenylphosphine resin (0.9 - 1.6 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.9-1.6 meq/g | 39319-11-4 Triphenylphosphine resin (0.9 - 1.6 meq/g, 200 - 400 mesh)|04814|39319-11-4 https://www.jk-sci.com/products/ts246cs-0043826 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c58832631af6225b8c61a8fd8f42efc.jpg?v=1791342603 (S)-Piperidine-3-carboxylic acid hydrochloride, 97% | 851956-01-9 (S)-Piperidine-3-carboxylic acid hydrochloride|CS-0043826|851956-01-9 https://www.jk-sci.com/products/ts246cs-0043899 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2dcfcdbf2b1f7f0d2a17ae268701945.jpg?v=1791342471 2-(Difluoromethoxy)pyridin-4-amine, 98% | 1211587-46-0 2-(Difluoromethoxy)pyridin-4-amine|CS-0043899|1211587-46-0 https://www.jk-sci.com/products/ts246cs-0043982 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130984.png?v=1791342328 1H-Imidazo[4,5-b]pyridine-2(3H)-thione, 98.20%+ | 29448-81-5 1H-Imidazo[4,5-b]pyridine-2(3H)-thione|CS-0043982|29448-81-5 https://www.jk-sci.com/products/j5304833 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fea09d1cad079b0eeb5e8fb6f2648b0.jpg?v=1791418087 Tetrakis(triphenylphosphine)palladium(0), Assay ≥ 99.5% (≥ 9% Pd) | 14221-01-3 Tetrakis(triphenylphosphine)palladium(0)|04833|14221-01-3 https://www.jk-sci.com/products/s57c4x-159710 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557346_75d372ec-9258-4d26-a58f-313de1b05842.png?v=1791376291 Cloxacillin Sodium EP Impurity D, 99.90% | 23598-72-3 Cloxacillin Sodium EP Impurity D|C4X-159710|23598-72-3 https://www.jk-sci.com/products/j5304920 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39c71ac3e71c397948ed64c3008c1500.jpg?v=1791418042 3-Nitro-L-tyrosine, Assay ≥ 98% | 621-44-3 3-Nitro-L-tyrosine|04920|621-44-3 https://www.jk-sci.com/products/ts246cs-0044024 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144104.png?v=1791342254 2-Hydroxypyrimidine-5-carboxylic acid, 97.69%+ | 38324-83-3 2-Hydroxypyrimidine-5-carboxylic acid|CS-0044024|38324-83-3 https://www.jk-sci.com/products/ts246cs-0043160 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161472_821e7c61-05b0-4ce3-882a-7f9d367da35f.png?v=1791343102 2-Methoxy-5-nitrobenzaldehyde, 96% | 25016-02-8 2-Methoxy-5-nitrobenzaldehyde|CS-0043160|25016-02-8 https://www.jk-sci.com/products/j5304905 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235ad346c925e613cc8468890926beba.jpg?v=1791418053 Tris(dibenzylideneacetone)dipalladium (0)-chloroform adduct, Assay ≥ 98% | 52522-40-4 Tris(dibenzylideneacetone)dipalladium (0)-chloroform adduct|04905|52522-40-4 https://www.jk-sci.com/products/j5304888 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccead77073b90668f9a4375e0e592d92.jpg?v=1791418066 4-Benzyloxybenzyl alcohol, Purity by GC ≥ 99% | 836-43-1 4-Benzyloxybenzyl alcohol|04888|836-43-1 https://www.jk-sci.com/products/s57c4x-160620 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f96e43b5f047ccfff2e0194f7d64f167.jpg?v=1791376269 Darunavir Impurity 20, 97.00% | 2307745-62-4 Darunavir Impurity 20|C4X-160620|2307745-62-4 https://www.jk-sci.com/products/s57c4x-161311 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105297_7531888c-1f5c-4e9f-9e49-11fa68ea1141.png?v=1791376233 Dexpanthenol Impurity 11, Purity: 98.7% | 2140-53-6 Dexpanthenol Impurity 11|C4X-161311|2140-53-6 https://www.jk-sci.com/products/ts246cs-0043874 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513447.png?v=1791342522 Imidazo[1,2-a]pyridine-8-carboxylic acid, 98% | 133427-08-4 Imidazo[1,2-a]pyridine-8-carboxylic acid|CS-0043874|133427-08-4 https://www.jk-sci.com/products/ts246cs-0043696 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d82bdc55b94066f26d39d23d344efde.jpg?v=1791342823 7-Methoxy-3,4-dihydroquinolin-2(1H)-one, 98% | 22246-17-9 7-Methoxy-3,4-dihydroquinolin-2(1H)-one|CS-0043696|22246-17-9 https://www.jk-sci.com/products/s57c4x-16181 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edf566f6c01771473563c270f111b7a6.jpg?v=1791376217 Dipyridamole EP Impurity A, Purity: 99.1% | 16982-40-4 Dipyridamole EP Impurity A|C4X-16181|16982-40-4 https://www.jk-sci.com/products/s57c4x-161939 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28bc5fdbcb5617b0a12925499a582e92.jpg?v=1791376201 Docetaxel Impurity 39, 97.40% | 859498-31-0 Docetaxel Impurity 39|C4X-161939|859498-31-0 https://www.jk-sci.com/products/j5304934 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c87231c63eb1e45fa90edc241d13945.jpg?v=1791418026 Boc-3-(2'-quinolyl)-D-alanine, Purity by HPLC ≥ 99% | 170157-64-9 Boc-3-(2'-quinolyl)-D-alanine|04934|170157-64-9 https://www.jk-sci.com/products/ts246cs-0044006 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de5069f770ace12b9a15ef611dd1ccfb.jpg?v=1791342282 (S)-Methyl morpholine-3-carboxylate, 97% | 741288-31-3 (S)-Methyl morpholine-3-carboxylate|CS-0044006|741288-31-3 https://www.jk-sci.com/products/j5304942 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2878cc2002e331d94d8be6ab3fa951.jpg?v=1791418021 (2S,4S)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid, Purity by HPLC ≥ 98% | 174148-03-9 (2S,4S)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid|04942|174148-03-9 https://www.jk-sci.com/products/s57c4x-16201 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0143e47d8bdcfd02ff4c157f63be641d.jpg?v=1791376186 Dolutegravir Impurity1, 90.00% | 1357289-29-2 Dolutegravir Impurity1|C4X-16201|1357289-29-2 https://www.jk-sci.com/products/ts246cs-0043478 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75ece138f6da75428f1c7bbb00a2d4c8.jpg?v=1791342964 5-Fluoro-6-methylnicotinic acid, 98% | 932705-78-7 5-Fluoro-6-methylnicotinic acid|CS-0043478|932705-78-7 https://www.jk-sci.com/products/j5304952 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67c6937d7cf4563ef2f457891042505c.jpg?v=1791418004 Fmoc-(3S,4S)-4-amino-3-hydroxy-5-methylhexanoic acid dicyclohexylammonium salt, Purity by HPLC ≥ 97% | 204316-10-9 Fmoc-(3S,4S)-4-amino-3-hydroxy-5-methylhexanoic acid dicyclohexylammonium salt|04952|204316-10-9 https://www.jk-sci.com/products/ts246cs-0043955 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2064266f255b34dfde5a61626c971c4.jpg?v=1791342377 Ethyl 4-amino-1H-pyrrole-2-carboxylate, 98.00%+ | 67318-12-1 Ethyl 4-amino-1H-pyrrole-2-carboxylate|CS-0043955|67318-12-1 https://www.jk-sci.com/products/ts246cs-0043793 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3482fa59f03cfb222a493cc462e7c685.jpg?v=1791342656 Methyl 6-fluoro-2-methylnicotinate, 98% | 1227595-02-9 Methyl 6-fluoro-2-methylnicotinate|CS-0043793|1227595-02-9 https://www.jk-sci.com/products/ts246cs-0044053 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c48e0d3abc8af10a253656631c0d7304.jpg?v=1791342205 Imidazo[1,2-a]pyridin-2-ol, 95% | 112566-20-8 Imidazo[1,2-a]pyridin-2-ol|CS-0044053|112566-20-8 https://www.jk-sci.com/products/j5304960 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a6b43a5aa721cda078c15abcb84b063.jpg?v=1791417995 Fmoc-4-carboxymethyl-piperazine, Purity by HPLC ≥ 98% | 180576-05-0 Fmoc-4-carboxymethyl-piperazine|04960|180576-05-0 https://www.jk-sci.com/products/j5304963 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47052cc7386b101ce5e7fd626d37c18b.jpg?v=1791417990 Na-Boc-Ng-Fmoc-L-2,4-diaminobutyric acid, Purity by HPLC ≥ 97% | 117106-21-5 Na-Boc-Ng-Fmoc-L-2,4-diaminobutyric acid|04963|117106-21-5 https://www.jk-sci.com/products/j5304975 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc66275c2858963977dcd13d8375b5c3.jpg?v=1791417979 Na,b-Bis-Fmoc-L-2,3-diaminopropionic acid, Purity by HPLC ≥ 97% | 201473-90-7 Na,b-Bis-Fmoc-L-2,3-diaminopropionic acid|04975|201473-90-7 https://www.jk-sci.com/products/s57c4x-16231 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258371_fbd360f7-d3ae-4d1b-a97f-f702e77393ce.png?v=1791376169 Doxazosin EP Impurity A, 99.60% | 3663-80-7 Doxazosin EP Impurity A|C4X-16231|3663-80-7 https://www.jk-sci.com/products/ts246cs-0044057 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ead448c86c38134941d88c3d08c5565b.jpg?v=1791342200 5H-Pyrrolo[3,2-d]pyrimidin-4-amine, 97% | 2227-98-7 5H-Pyrrolo[3,2-d]pyrimidin-4-amine|CS-0044057|2227-98-7 https://www.jk-sci.com/products/ts246cs-0044071 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2827051d49dbea4d610b39c8652f2d82.jpg?v=1791342173 Methyl 5-oxazolecarboxylate, 98% | 121432-12-0 Methyl 5-oxazolecarboxylate|CS-0044071|121432-12-0 https://www.jk-sci.com/products/s57c4x-16272 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0271fe69f9773b69d749f911ac9cadbc.jpg?v=1791376136 Efavirenz Impurity 2, 95.90% | 154801-74-8 Efavirenz Impurity 2|C4X-16272|154801-74-8 https://www.jk-sci.com/products/s57c4x-16247 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0edc2fade27b9f7ea6ba3f6eba73da62.jpg?v=1791376152 Drospirenone EP Impurity H, 96.90% | 932388-89-1 Drospirenone EP Impurity H|C4X-16247|932388-89-1 https://www.jk-sci.com/products/ts246cs-0044082 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437662.png?v=1791342156 (R)-3-Methylpyrrolidine hydrochloride, 97% | 235093-98-8 (R)-3-Methylpyrrolidine hydrochloride|CS-0044082|235093-98-8 https://www.jk-sci.com/products/s57c4x-162917 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526137_5c63d3e5-da41-463c-bb55-33eff9ab1df5.png?v=1791376103 Entacapone EP Impurity E, Purity: 99.9% | 7659-29-2 Entacapone EP Impurity E|C4X-162917|7659-29-2 https://www.jk-sci.com/products/s57c4x-16281 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114776_7f3c999b-172a-49de-940c-513d37d9fdde.png?v=1791376115 Enrofloxacin EP Impurity A(Ciprofloxacin EP Impurity A), 99.60% | 86393-33-1 Enrofloxacin EP Impurity A(Ciprofloxacin EP Impurity A)|C4X-16281|86393-33-1 https://www.jk-sci.com/products/ts246cs-0044093 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1515067.png?v=1791342140 5-Fluoropyrimidin-4-amine, 97% | 811450-26-7 5-Fluoropyrimidin-4-amine|CS-0044093|811450-26-7 https://www.jk-sci.com/products/j5304977 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94dd0e9de521eb07598649b2f9752fe1.jpg?v=1791417978 Na-Z-Nb-Boc-L-2,3-diaminopropionic acid, Purity by HPLC ≥ 99% | 16947-84-5 Na-Z-Nb-Boc-L-2,3-diaminopropionic acid|04977|16947-84-5 https://www.jk-sci.com/products/ts246cs-0044234 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/720811e4485bbb90e07b59310ff63855.jpg?v=1791342059 6-Amino-5-fluoroindolin-2-one, 97% | 150544-01-7 6-Amino-5-fluoroindolin-2-one|CS-0044234|150544-01-7 https://www.jk-sci.com/products/ts246cs-0044146 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511915.png?v=1791342097 5-Bromo-4,6-dichloropyrimidine, 96% | 68797-61-5 5-Bromo-4,6-dichloropyrimidine|CS-0044146|68797-61-5 https://www.jk-sci.com/products/ts246cs-0044176 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596309_663e2c96-704a-4593-837f-9621c630dd91.png?v=1791342080 1-(2,3-Dimethylphenyl)ethanone, 98% | 2142-71-4 1-(2,3-Dimethylphenyl)ethanone|CS-0044176|2142-71-4 https://www.jk-sci.com/products/s57c4x-162941 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df9f43a2-6f39-4001-908c-006080d41f1a.png?v=1791376081 Entacapone impurity 41, 91.10% Entacapone impurity 41|C4X-162941 https://www.jk-sci.com/products/j5304981 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f5672132ddf38fc46bcf556bb00d628.jpg?v=1791417969 Fmoc-D-homoleucine, Purity by HPLC ≥ 97% | 204320-60-5 Fmoc-D-homoleucine|04981|204320-60-5 https://www.jk-sci.com/products/ts246cs-0044248 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313985.png?v=1791342054 Methyl 4-chloro-3-oxobutanoate, 97% | 32807-28-6 Methyl 4-chloro-3-oxobutanoate|CS-0044248|32807-28-6 https://www.jk-sci.com/products/j5304985 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0911a0f69eec6b14753aaad1774acea.jpg?v=1791417964 Boc-L-indoline-2-carboxylic acid, Purity by HPLC ≥ 97% | 144069-67-0 Boc-L-indoline-2-carboxylic acid|04985|144069-67-0 https://www.jk-sci.com/products/j5304990 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09810547f7b372163fa7149c906c6443.jpg?v=1791417954 Fmoc-4-methyl-D-phenylalanine, Purity by HPLC ≥ 98% | 204260-38-8 Fmoc-4-methyl-D-phenylalanine|04990|204260-38-8 https://www.jk-sci.com/products/ts246cs-0044327 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e444ce00628be95c7524acda1cbb9f5b.jpg?v=1791342048 (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-(methylsulfonyl)phenyl)propanoic acid, 97% | 1289646-76-9 (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-(methylsulfonyl)phenyl)propanoic acid|CS-0044327|1289646-76-9 https://www.jk-sci.com/products/j5304992 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b85867485893882439a7a5af250d6aa9.jpg?v=1791417954 Fmoc-3-nitro-L-tyrosine, Purity by HPLC ≥ 98% | 136590-09-5 Fmoc-3-nitro-L-tyrosine|04992|136590-09-5 https://www.jk-sci.com/products/s57c4x-16303 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2864764a701a43bc269e592910b95382.jpg?v=1791376065 Eplerenone EP Impurity C, Purity: 99.7% | 95716-70-4 Eplerenone EP Impurity C|C4X-16303|95716-70-4 https://www.jk-sci.com/products/j5304994 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7a590ffaf476014089e2c90cde04c24.jpg?v=1791417949 Na-Fmoc-Nd-allyloxycarbonyl-L-ornithine, Purity by HPLC ≥ 98% | 147290-11-7 Na-Fmoc-Nd-allyloxycarbonyl-L-ornithine|04994|147290-11-7 https://www.jk-sci.com/products/j5305000 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b33654de02a61a7d95a9c8850ad5815.jpg?v=1791417931 Fmoc-tranexamic acid, Purity by HPLC ≥ 99% | 167690-53-1 Fmoc-tranexamic acid|05000|167690-53-1 https://www.jk-sci.com/products/j5305014 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc6b924b6970aee5e0901010a8d8693.jpg?v=1791417919 Fmoc-4-nitro-D-phenylalanine, Purity by HPLC ≥ 98% | 177966-63-1 Fmoc-4-nitro-D-phenylalanine|05014|177966-63-1 https://www.jk-sci.com/products/j5305024 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e47df95f04d5d76db278f8dcc43f8c9.jpg?v=1791417907 Cystamine dihydrochloride, Assay by titration ≥ 98% | 56-17-7 Cystamine dihydrochloride|05024|56-17-7 https://www.jk-sci.com/products/ts246cs-0044357 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117253.png?v=1791342041 1-(Bromomethyl)adamantane, 98% | 14651-42-4 1-(Bromomethyl)adamantane|CS-0044357|14651-42-4 https://www.jk-sci.com/products/j5305029 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00bbddcedce75da48c62f8f48ad9901b.jpg?v=1791417900 Fmoc-(R,S)-3-amino-N-1-carboxymethyl-2,3,4,5-tetrahydro-1H-[1]benzazepine-2-one, Purity by HPLC ≥ 99% | 204322-78-1 Fmoc-(R,S)-3-amino-N-1-carboxymethyl-2,3,4,5-tetrahydro-1H-[1]benzazepine-2-one|05029|204322-78-1 https://www.jk-sci.com/products/j5305034 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa6d306e248061d3e89116baf63fe9e2.jpg?v=1791417894 Boc-Freidinger's lactam, Purity by HPLC ≥ 97% | 82611-48-1 Boc-Freidinger's lactam|05034|82611-48-1 https://www.jk-sci.com/products/ts246cs-0044422 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4897046167c1a14d16ca224c56423f38.jpg?v=1791342008 4-Amino-1-benzylpyrrolidin-2-one dihydrochloride, 98% | 2044703-04-8 4-Amino-1-benzylpyrrolidin-2-one dihydrochloride|CS-0044422|2044703-04-8 https://www.jk-sci.com/products/s57c4x-163318 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c93e566b-1e38-43c0-82e3-aa152647e6f2.png?v=1791376050 Ertapenem Impurity 18, 94.50% Ertapenem Impurity 18|C4X-163318 https://www.jk-sci.com/products/ts246cs-0044444 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba3166c4b513826e171ee1150da02ea8.jpg?v=1791341997 Benzo[d][1,3]dioxol-4-ylmethanamine, 95% | 182634-34-0 Benzo[d][1,3]dioxol-4-ylmethanamine|CS-0044444|182634-34-0 https://www.jk-sci.com/products/s57c4x-163349 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3f5fed93b90413897d195081949a23d.jpg?v=1791376033 Ertapenem impurity 49, 94.70% | 357154-27-9 Ertapenem impurity 49|C4X-163349|357154-27-9 https://www.jk-sci.com/products/ts246cs-0044458 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795680.png?v=1791341986 Methyl 5-hydroxynicotinate hydrochloride, 98% | 89937-78-0 Methyl 5-hydroxynicotinate hydrochloride|CS-0044458|89937-78-0 https://www.jk-sci.com/products/ts246cs-0044471 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31921094ee8732221143a9fb99b9b1fe_0c552d7e-985c-43c1-a5eb-997f3f64039a.jpg?v=1791341971 Boc-D-His(Trt)-OH, 97% | 393568-74-6 Boc-D-His(Trt)-OH|CS-0044471|393568-74-6 https://www.jk-sci.com/products/s57c4x-16362 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8a41ffafb4cea0ac6bf3a1b2baedce.jpg?v=1791376016 Estradiol Hemihydrate EP Impurity C, 93.20% | 6171-48-8 Estradiol Hemihydrate EP Impurity C|C4X-16362|6171-48-8 https://www.jk-sci.com/products/j5305036 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a88612866c10352c816c5919f16b08d1.jpg?v=1791417888 Boc-nortropinone, Assay ≥ 98% | 185099-67-6 Boc-nortropinone|05036|185099-67-6 https://www.jk-sci.com/products/ts246cs-0044483 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7917de4d353c1068f130c5efd2029ad5.jpg?v=1791341961 3,6-Dichloropyridin-2-amine, 95% | 313535-01-2 3,6-Dichloropyridin-2-amine|CS-0044483|313535-01-2 https://www.jk-sci.com/products/j5303204 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af84e841d94b7cb428a7a724f0a174e5.jpg?v=1791419713 L-Methioninol, Purity by GC ≥ 98% || Purity by HPLC ≥ 98% | 2899-37-8 L-Methioninol|03204|2899-37-8 https://www.jk-sci.com/products/j5304405 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/025e80aa48e0511eec26992efaf0b138.jpg?v=1791418378 N-Methyl-D-alanine hydrochloride, Assay ≥ 98% | 29475-64-7 N-Methyl-D-alanine hydrochloride|04405|29475-64-7 https://www.jk-sci.com/products/s57c4x-165028 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_be96345b-f48d-498c-9e6f-1bf7800d63f7.png?v=1791375934 Fluticasone Impurity 28, 97.60% Fluticasone Impurity 28|C4X-165028 https://www.jk-sci.com/products/j5304193 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2e951498fae0b9a261988edd5f4db80.jpg?v=1791418591 Fmoc-D-proline 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Fmoc-D-proline 4-alkoxybenzyl alcohol resin|04193 https://www.jk-sci.com/products/j5304301 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dd3f255550152cb6b5125f3cc10d6ce.jpg?v=1791418487 1,4-Bis-(Aminomethyl)benzene trityl resin, Mesh Size 200-400 mesh || Substitution (meq/g) 0.3-0.8 meq/g 1,4-Bis-(Aminomethyl)benzene trityl resin|04301 https://www.jk-sci.com/products/j5304124 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aaac68a3a35c87b372ca18d09ab76782.jpg?v=1791418696 D-3,5-Difluorophenylalanine, Purity by HPLC ≥ 99% | 266360-63-8 D-3,5-Difluorophenylalanine|04124|266360-63-8 https://www.jk-sci.com/products/ts246cs-0044817 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc9f59bc2fe80874dc42bf37b1724ee_f1dd5167-3302-4250-907b-c6c5e39cb67f.jpg?v=1791341803 7-Ethoxy-2-naphthalenol, 97.00%+ | 57944-44-2 7-Ethoxy-2-naphthalenol|CS-0044817|57944-44-2 https://www.jk-sci.com/products/s57c4x-1645 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/535202_034e5f75-f9af-4f99-8459-47e7e6981389.png?v=1791375987 Finasteride, 98.60% | 98319-26-7 Finasteride|C4X-1645|98319-26-7 https://www.jk-sci.com/products/j5303710 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29853e86d4281470612257fdc9c135a2.jpg?v=1791419315 Na-Fmoc-Nim-Boc-L-histidine cyclohexylammonium salt, Purity by HPLC ≥ 97% | 81379-52-4 Na-Fmoc-Nim-Boc-L-histidine cyclohexylammonium salt|03710|81379-52-4 https://www.jk-sci.com/products/j5305044 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a94a2eabe9f332ee7da5eca505064bd7.jpg?v=1791417878 Z-(R,S)-3-amino-2-oxo-5-phenyl-1,4-benzodiazepine, Purity by HPLC ≥ 98% | 108895-98-3 Z-(R,S)-3-amino-2-oxo-5-phenyl-1,4-benzodiazepine|05044|108895-98-3 https://www.jk-sci.com/products/ts246cs-0044726 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526621a3991dcd1670f8bc58932a8386.jpg?v=1791341837 (S)-3-Amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one, 97% | 889460-62-2 (S)-3-Amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one|CS-0044726|889460-62-2 https://www.jk-sci.com/products/s57c4x-16491 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250263_7813d8e1-242c-4bb3-b298-3b16ca27f31e.png?v=1791375970 Fluorouracil EP Impurity E, 95.70% | 1820-81-1 Fluorouracil EP Impurity E|C4X-16491|1820-81-1 https://www.jk-sci.com/products/s57c4x-16411 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eecdbe3aa70ef7a9314f7a43a1d8d66.jpg?v=1791376002 Prednisone EP Impurity D, 93.90% | 10184-69-7 Prednisone EP Impurity D|C4X-16411|10184-69-7 https://www.jk-sci.com/products/ts246cs-0044666 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e78b99a9-7848-445c-8ec0-359506197d54.png?v=1791341876 [6,6]-Phenyl-C61-butyric acid methyl ester, 95.00%+ | 160848-22-6 [6,6]-Phenyl-C61-butyric acid methyl ester|CS-0044666|160848-22-6 https://www.jk-sci.com/products/j5303832 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27f6fd119805998162f1c208c7997985.jpg?v=1791419113 Z-g-aminobutyric acid, Purity by HPLC ≥ 98% | 5105-78-2 Z-g-aminobutyric acid|03832|5105-78-2 https://www.jk-sci.com/products/ts246cs-0044768 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d961756f7ec904f60675380e4d044b19.jpg?v=1791341826 6-Bromo-2-fluoropyridin-3-amine, 97% | 850220-97-2 6-Bromo-2-fluoropyridin-3-amine|CS-0044768|850220-97-2 https://www.jk-sci.com/products/ts246cs-0044519 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4392cb55ba94af97ffc307a1216d695e.jpg?v=1791341920 1-(3-Bromo-5-(trifluoromethyl)phenyl)ethanone, 95% | 154259-25-3 1-(3-Bromo-5-(trifluoromethyl)phenyl)ethanone|CS-0044519|154259-25-3 https://www.jk-sci.com/products/s57c4x-165011 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1e25fb7486eb3ddbf1d5c4005bedeac.jpg?v=1791375956 Fluticasone Propionate EP Impurity F, 100.00% | 1219174-94-3 Fluticasone Propionate EP Impurity F|C4X-165011|1219174-94-3 https://www.jk-sci.com/products/j5304058 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459cc0a51f1021599a1ba3a781506444.jpg?v=1791418808 Boc-3-(3-benzothienyl)-D-alanine, Purity by HPLC ≥ 99% | 111082-76-9 Boc-3-(3-benzothienyl)-D-alanine|04058|111082-76-9 https://www.jk-sci.com/products/ts246cs-0044488 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d64ee9590a5902931cf4cd706fd6c035.jpg?v=1791341954 5-(3-Fluorophenyl)-1H-pyrazol-3-amine, 97% | 766519-89-5 5-(3-Fluorophenyl)-1H-pyrazol-3-amine|CS-0044488|766519-89-5 https://www.jk-sci.com/products/j5304361 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/955a701039cdae53d0547a5a2a20cc12.jpg?v=1791418438 Na-Acetyl-Nim-trityl-L-histidine, Purity by HPLC ≥ 98% | 183498-47-7 Na-Acetyl-Nim-trityl-L-histidine|04361|183498-47-7 https://www.jk-sci.com/products/j5303964 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a54268a6959e842262206a8c1c6c2f3.jpg?v=1791418938 Boc-b-cyclohexyl-L-alanine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 37462-62-7 Boc-b-cyclohexyl-L-alanine dicyclohexylammonium salt|03964|37462-62-7 https://www.jk-sci.com/products/ts246cs-0044653 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1eec3f29338de108c6df8bebca3e0dd.jpg?v=1791341887 m-PEG7-thiol, 95% | 651042-82-9 m-PEG7-thiol|CS-0044653|651042-82-9 https://www.jk-sci.com/products/ts246cs-0044690 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70d15944cdbad1efdcd1e1ad4f449a0c.jpg?v=1791341871 2-(4-Methylpiperazin-1-yl)pyrimidin-5-amine, 95.00%+ | 943757-74-2 2-(4-Methylpiperazin-1-yl)pyrimidin-5-amine|CS-0044690|943757-74-2 https://www.jk-sci.com/products/s57c4x-165036 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18b9f3fe9ff598dbfb63247219f11ce1.jpg?v=1791375924 Fluticasone Impurity 36, 96.30% | 192191-51-8 Fluticasone Impurity 36|C4X-165036|192191-51-8 https://www.jk-sci.com/products/s57c4x-16514 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30ee0bb52d794d1a4660bfc8406311d6.jpg?v=1791375898 Fluvastatin EP Impurity D, 98.20% | 1160169-39-0 Fluvastatin EP Impurity D|C4X-16514|1160169-39-0 https://www.jk-sci.com/products/j5304491 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af4ed96b7a72211380c552c4e2134a7c.jpg?v=1791418263 Bz-Gly-Gly-OH, Purity by HPLC ≥ 98% | 1145-32-0 Bz-Gly-Gly-OH|04491|1145-32-0 https://www.jk-sci.com/products/j5304441 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f04e338e84615ac1aab30a449a17a85b.jpg?v=1791418332 L-Phenylalanine allyl ester 4-toluenesulfonate salt, Purity by HPLC ≥ 98% | 88224-00-4 L-Phenylalanine allyl ester 4-toluenesulfonate salt|04441|88224-00-4 https://www.jk-sci.com/products/ts246cs-0044850 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329130.png?v=1791341793 3-Phenoxyphenol, 97% | 713-68-8 3-Phenoxyphenol|CS-0044850|713-68-8 https://www.jk-sci.com/products/j5304578 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfc6e5e83f49e7d0fc5d8eddc66d4679.jpg?v=1791418222 Leu-Leu-OMe·HCl, Purity by HPLC ≥ 96% | 6491-83-4 Leu-Leu-OMe·HCl|04578|6491-83-4 https://www.jk-sci.com/products/s57c4x-165065 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a6ef15b31de1ec308460d56c2fa7e19.jpg?v=1791375916 Fluticasone Impurity 65, Purity: 96.6% | 74131-81-0 Fluticasone Impurity 65|C4X-165065|74131-81-0 https://www.jk-sci.com/products/s57c4x-16511 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83b86626f3e35912709bd42b8db81b10.jpg?v=1791375906 Fluvastatin EP Impurity A Sodium Salt（and enantiomer）, 94.60% | 93957-58-5 Fluvastatin EP Impurity A Sodium Salt（and enantiomer）|C4X-16511|93957-58-5 https://www.jk-sci.com/products/j5304675 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29e9ff294ff5f659f4bc3b9b889de336.jpg?v=1791418193 Z-L-alanyl-L-glutamine, Purity by HPLC ≥ 99% | 21467-17-4 Z-L-alanyl-L-glutamine|04675|21467-17-4 https://www.jk-sci.com/products/ts246cs-0044863 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1b7fa957fa014b5d706aa72f1b9b7f4.jpg?v=1791341774 4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine, 98% | 1032943-41-1 4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine|CS-0044863|1032943-41-1 https://www.jk-sci.com/products/ts246cs-0044885 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/778f89be518849e777362a1bcb48e7f8.jpg?v=1791341749 1-(1H-Indazol-7-yl)ethan-1-one, 98% | 1159511-22-4 1-(1H-Indazol-7-yl)ethan-1-one|CS-0044885|1159511-22-4 https://www.jk-sci.com/products/ts246cs-0044875 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817119.png?v=1791341762 8-Fluoroisoquinoline, 97% | 1075-00-9 8-Fluoroisoquinoline|CS-0044875|1075-00-9 https://www.jk-sci.com/products/j5304777 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/194422ed0d5794c2c9e81192e4920b00.jpg?v=1791418147 TentaGel S-OH (= 0.25 meq/g, 130 μm beads), Substitution (meq/g) 0.1-0.3 meq/g TentaGel S-OH (= 0.25 meq/g, 130 μm beads)|04777 https://www.jk-sci.com/products/j5304795 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/816882db961c32454a771ecb29757210.jpg?v=1791418126 Fmoc-(3-aminomethyl) benzoic acid, Purity by HPLC ≥ 98% | 155369-11-2 Fmoc-(3-aminomethyl) benzoic acid|04795|155369-11-2 https://www.jk-sci.com/products/ts246cs-0044891 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ca2cac8693ee62bea806ef354e0dfcc.jpg?v=1791341738 1-(3,4-Difluorophenyl)cyclopropan-1-amine hydrochloride, 97.81%+ | 1186663-16-0 1-(3,4-Difluorophenyl)cyclopropan-1-amine hydrochloride|CS-0044891|1186663-16-0 https://www.jk-sci.com/products/s57c4x-16541 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511395_b78d5754-2b99-4440-bbeb-48c35d3575a3.png?v=1791375889 Gabapentin EP Impurity A, 96.40% | 64744-50-9 Gabapentin EP Impurity A|C4X-16541|64744-50-9 https://www.jk-sci.com/products/ts246cs-0044901 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b9ff6d0c151bbc433649f7c1185c3b4.jpg?v=1791341727 1-(5,6-Dichloropyridin-3-yl)ethanone, 98% | 120800-05-7 1-(5,6-Dichloropyridin-3-yl)ethanone|CS-0044901|120800-05-7 https://www.jk-sci.com/products/j5304830 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f97694cb71a10e09a3612afa76bfd9e.jpg?v=1791418092 Trityl threonine triethyl ammonium salt, Assay ≥ 95% || Purity by HPLC ≥ 98% | 80514-76-7 Trityl threonine triethyl ammonium salt|04830|80514-76-7 https://www.jk-sci.com/products/ts246cs-0044940 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0b539951e75aa133ac65535575d5655.jpg?v=1791341695 1,5-Naphthyridin-3-amine, 98% | 14756-77-5 1,5-Naphthyridin-3-amine|CS-0044940|14756-77-5 https://www.jk-sci.com/products/j5304904 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/981e90fb5a9511229bbdae3d9dc0c515.jpg?v=1791418054 Tris(dibenzylideneacetone)dipalladium (0), Assay ≥ 19% (Palladium content) || Purity ≥ 81.75% | 51364-51-3 Tris(dibenzylideneacetone)dipalladium (0)|04904|51364-51-3 https://www.jk-sci.com/products/ts246cs-0044908 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c19117ebd2a53a0c4aaa497ec064bb51.jpg?v=1791341722 (5-Fluoro-2-(hydroxymethyl)phenyl)boronic acid, 98% | 1246633-53-3 (5-Fluoro-2-(hydroxymethyl)phenyl)boronic acid|CS-0044908|1246633-53-3 https://www.jk-sci.com/products/ts246cs-0044912 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f67a9826fd438d9fa4df83cf757b0e83.jpg?v=1791341711 (5-(Hydroxymethyl)furan-2-yl)boronic acid, 95% | 1256355-56-2 (5-(Hydroxymethyl)furan-2-yl)boronic acid|CS-0044912|1256355-56-2 https://www.jk-sci.com/products/ts246cs-0044917 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc78130ddd8f9d921af22ed7ec5d7051.jpg?v=1791341705 Methyl 3-amino-4-(trifluoromethyl)benzoate, 96% | 126541-82-0 Methyl 3-amino-4-(trifluoromethyl)benzoate|CS-0044917|126541-82-0 https://www.jk-sci.com/products/ts246cs-0044952 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f836cc20d9cdce7f1b81363a528097e.jpg?v=1791341679 (4-(Pyridin-2-yl)phenyl)boronic acid, 98% | 170230-27-0 (4-(Pyridin-2-yl)phenyl)boronic acid|CS-0044952|170230-27-0 https://www.jk-sci.com/products/j5304921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68d535aa1c9927ad72d3281fc4521cd4.jpg?v=1791418042 3-Amino-L-tyrosine·2HCl, Assay ≥ 68% | 23279-22-3 3-Amino-L-tyrosine·2HCl|04921|23279-22-3 https://www.jk-sci.com/products/ts246cs-0044959 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd191c75c9a59ae0f234fd7d3adb02ab.jpg?v=1791341668 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine, 95% | 181374-43-6 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine|CS-0044959|181374-43-6 https://www.jk-sci.com/products/j5304983 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcce2f15817e3fc5e9da5cef56d6039d.jpg?v=1791417968 Boc-L-b-homoleucine, Purity ≥ 98% | 132549-43-0 Boc-L-b-homoleucine|04983|132549-43-0 https://www.jk-sci.com/products/j5304996 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4abab7eb772df4e88034c38792da81.jpg?v=1791417942 Fmoc-4-diethylphosphomethyl-D-phenylalanine, Purity by HPLC ≥ 98% | 215600-05-8 Fmoc-4-diethylphosphomethyl-D-phenylalanine|04996|215600-05-8 https://www.jk-sci.com/products/j5304991 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0202f48118e659628298f56cd23fbdef.jpg?v=1791417954 Fmoc-4-methyl-L-phenylalanine, Purity by HPLC ≥ 98% | 199006-54-7 Fmoc-4-methyl-L-phenylalanine|04991|199006-54-7 https://www.jk-sci.com/products/j5304976 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf441c08ac51c76dd902fa9e220f7e88.jpg?v=1791417980 Na-Fmoc-Nb-Z-L-2,3-diaminopropionic acid, Purity by HPLC ≥ 98% | 204316-36-9 Na-Fmoc-Nb-Z-L-2,3-diaminopropionic acid|04976|204316-36-9 https://www.jk-sci.com/products/ts246cs-0045036 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d20d0622507e5256b1f0c958a2ad26e9.jpg?v=1791341584 Ethyl 5-amino-2-methylnicotinate, 95% | 60390-42-3 Ethyl 5-amino-2-methylnicotinate|CS-0045036|60390-42-3 https://www.jk-sci.com/products/j5304949 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2c1d606e0215512eac7e9fd955e1668.jpg?v=1791418009 Boc-(3S,4S,5S)-4-amino-3-hydroxy-5-methylheptanoic acid dicyclohexylammonium salt, Purity by HPLC ≥ 97% | 204199-26-8 Boc-(3S,4S,5S)-4-amino-3-hydroxy-5-methylheptanoic acid dicyclohexylammonium salt|04949|204199-26-8 https://www.jk-sci.com/products/ts246cs-0044963 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596019.png?v=1791341663 Methyl 3-bromo-5-iodobenzoate, 97% | 188813-07-2 Methyl 3-bromo-5-iodobenzoate|CS-0044963|188813-07-2 https://www.jk-sci.com/products/s57c4x-16545 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f27453e38dcb167c43eb3b618f0b3d5.jpg?v=1791375883 Gabapentin EP Impurity E, 96.50% | 67950-95-2 Gabapentin EP Impurity E|C4X-16545|67950-95-2 https://www.jk-sci.com/products/j5304961 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97e7a6daad8d4be7092edae8c1c5a704.jpg?v=1791417995 Fmoc-4-carboxymethyl-piperidine, Purity by HPLC ≥ 97% | 180181-05-9 Fmoc-4-carboxymethyl-piperidine|04961|180181-05-9 https://www.jk-sci.com/products/ts246cs-0045028 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380444.png?v=1791341591 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one, 98% | 5334-56-5 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one|CS-0045028|5334-56-5 https://www.jk-sci.com/products/ts246cs-0044973 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26930e0aafa153a5c2480e9bc658e5db.jpg?v=1791341658 tert-Butyl 6-nitro-1H-indazole-1-carboxylate, 97% | 219503-74-9 tert-Butyl 6-nitro-1H-indazole-1-carboxylate|CS-0044973|219503-74-9 https://www.jk-sci.com/products/s57c4x-16562 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/197c440137abb644748aba180ccfd46d.jpg?v=1791375873 Glibenclamide EP Impurity B, 96.60% | 21165-77-5 Glibenclamide EP Impurity B|C4X-16562|21165-77-5 https://www.jk-sci.com/products/ts246cs-0045007 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d4db5ee2e8f028a45924561e81019fd.jpg?v=1791341612 Isoquinoline-8-carbonitrile, 97% | 362606-11-9 Isoquinoline-8-carbonitrile|CS-0045007|362606-11-9 https://www.jk-sci.com/products/s57c4x-1662 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a611ca61fd985726a014c50481c1c25.jpg?v=1791375861 Imipenem, Monohydrate, 98.80% | 74431-23-5 Imipenem, Monohydrate|C4X-1662|74431-23-5 https://www.jk-sci.com/products/j5305021 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315949c99aa522f6bb9fbf965e29e9d0.jpg?v=1791417912 Fmoc-3-(4'-pyridyl)-L-alanine, Purity by HPLC ≥ 98% | 169555-95-7 Fmoc-3-(4'-pyridyl)-L-alanine|05021|169555-95-7 https://www.jk-sci.com/products/j5305033 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4a9b00e35afbc393be481302663692e.jpg?v=1791417894 Fmoc-(3S,6S,9R)-2-oxo-3-amino-7-thia-1-azabicyclo[4.3.0]nonane-9-carboxylic acid, Purity by HPLC ≥ 99% | 204326-07-8 Fmoc-(3S,6S,9R)-2-oxo-3-amino-7-thia-1-azabicyclo[4.3.0]nonane-9-carboxylic acid|05033|204326-07-8 https://www.jk-sci.com/products/ts246cs-0045064 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/509114.png?v=1791341553 tert-Butyl 5-bromo-3-iodo-1H-indole-1-carboxylate, 95% | 850349-72-3 tert-Butyl 5-bromo-3-iodo-1H-indole-1-carboxylate|CS-0045064|850349-72-3 https://www.jk-sci.com/products/ts246cs-0045049 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241536.png?v=1791341569 6-Methyl-1H-indazole, 99.84%+ | 698-24-8 6-Methyl-1H-indazole|CS-0045049|698-24-8 https://www.jk-sci.com/products/j5305043 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff8b236499b0e8a36d8c80f9ecc591ce.jpg?v=1791417883 Fmoc-cycloleucine, Purity by HPLC ≥ 99% | 117322-30-2 Fmoc-cycloleucine|05043|117322-30-2 https://www.jk-sci.com/products/s57c4x-166314 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2886d544dbdef7d8456a95c8b1f4fe8c.jpg?v=1791375856 Iodixanol Impurity 14, 90.20% | 103254-70-2 Iodixanol Impurity 14|C4X-166314|103254-70-2 https://www.jk-sci.com/products/s57c4x-16647 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364948_fcf2e5bf-ce1e-43f2-92a2-71fead172b9b.png?v=1791375849 Iohexol EP Impurity J, 97.90% | 76801-93-9 Iohexol EP Impurity J|C4X-16647|76801-93-9 https://www.jk-sci.com/products/j5305049 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdaa5aa2818911ccc8c04ef2f1b79017.jpg?v=1791417868 Boc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, Purity by HPLC ≥ 98% | 180386-35-0 Boc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one|05049|180386-35-0 https://www.jk-sci.com/products/ts246cs-0045068 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e90bd6e7e827b742370609cc44698cb.jpg?v=1791341546 Methyl 6-bromo-1H-indole-3-carboxylate, 96% | 868656-97-7 Methyl 6-bromo-1H-indole-3-carboxylate|CS-0045068|868656-97-7 https://www.jk-sci.com/products/j5305056 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88c19de9e2a32142fae6f51a0e2d9b8a.jpg?v=1791417863 Fmoc-4-phenylpiperidine-4-carboxylic acid, Purity by HPLC ≥ 98% | 215190-19-5 Fmoc-4-phenylpiperidine-4-carboxylic acid|05056|215190-19-5 https://www.jk-sci.com/products/ts246cs-0045088 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/541850.png?v=1791341522 (tert-Butoxycarbonyl)methionine, 95% | 93000-03-4 (tert-Butoxycarbonyl)methionine|CS-0045088|93000-03-4 https://www.jk-sci.com/products/ts246cs-0045101 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1f764612a6433b7898b3baa08d249fd.jpg?v=1791341511 2-Chloro-7-fluoroquinazoline, 98.50%+ | 956101-10-3 2-Chloro-7-fluoroquinazoline|CS-0045101|956101-10-3 https://www.jk-sci.com/products/ts246cs-0045325 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501750.png?v=1791341461 6-Methylthiochroman-4-one, 98% | 6948-34-1 6-Methylthiochroman-4-one|CS-0045325|6948-34-1 https://www.jk-sci.com/products/ts246cs-0045117 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2170842f139d7d033c9ee7247670fc8.jpg?v=1791341496 4-Bromo-1H-indazole-6-carbonitrile, 96% | 898746-96-8 4-Bromo-1H-indazole-6-carbonitrile|CS-0045117|898746-96-8 https://www.jk-sci.com/products/ts246cs-0045218 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796032.png?v=1791341485 2-Methyl-6-(trifluoromethyl)quinoline, 97% | 66023-21-0 2-Methyl-6-(trifluoromethyl)quinoline|CS-0045218|66023-21-0 https://www.jk-sci.com/products/j5305068 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd555c5868f6d7db729e1628e0ce44f9.jpg?v=1791417851 Morpholinomethyl polystyrene resin, Mesh Size 200 - 400 || Substitution (meq/g) 3 - 4 mmol/g Morpholinomethyl polystyrene resin|05068 https://www.jk-sci.com/products/ts246cs-0045384 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420065.png?v=1791341428 2,2'-(1,3-Dioxolane-2,2-diyl)diethanol, 95% | 5694-95-1 2,2'-(1,3-Dioxolane-2,2-diyl)diethanol|CS-0045384|5694-95-1 https://www.jk-sci.com/products/ts246cs-0045517 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c45e8e60ed9eb6199e2d9803992ce1d.jpg?v=1791341399 Thietan-3-amine hydrochloride, 97% | 128861-78-9 Thietan-3-amine hydrochloride|CS-0045517|128861-78-9 https://www.jk-sci.com/products/s57c4x-166530 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b394e05ddea423aaba9de9f1ca81728_17ce7ce5-9eaa-43d7-a385-3bb968ae86b2.jpg?v=1791375837 Ipratropium Impurity 30, 97.90% | 259092-15-4 Ipratropium Impurity 30|C4X-166530|259092-15-4 https://www.jk-sci.com/products/j5305109 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a909d309b522c4f9d4fe525ddb83552.jpg?v=1791417812 Fmoc-1-aminocyclopropane-1-carboxylic acid, Assay by titration 98.5 - 100.5% || Purity by HPLC ≥ 99% | 126705-22-4 Fmoc-1-aminocyclopropane-1-carboxylic acid|05109|126705-22-4 https://www.jk-sci.com/products/s57c4x-166536 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aa985749-c8d1-4ab5-863b-39aaa3f89a3a.png?v=1791375824 Ipratropium Bromide Impurity 36, Purity: 99.9% Ipratropium Bromide Impurity 36|C4X-166536 https://www.jk-sci.com/products/j5305112 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c49aae177eb95bc8226dbef137eed259.jpg?v=1791417806 Boc-4-benzoyl-L-phenylalanine, Purity by HPLC ≥ 98% | 104504-43-0 Boc-4-benzoyl-L-phenylalanine|05112|104504-43-0 https://www.jk-sci.com/products/j5305089 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e603e9c09b4c23df2dbdff98ee701a23.jpg?v=1791417834 Na-Fmoc-Ne-trimethylsilylethoxycarbonyl-D-lysine, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 198545-00-5 Na-Fmoc-Ne-trimethylsilylethoxycarbonyl-D-lysine|05089|198545-00-5 https://www.jk-sci.com/products/s57c4x-16658 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0da75c4b7d57ba1a555bde705d39b72.jpg?v=1791375819 Ipratropium Bromide EP Impurity B, 96.90% | 58073-59-9 Ipratropium Bromide EP Impurity B|C4X-16658|58073-59-9 https://www.jk-sci.com/products/j5305078 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2f6d59a76d6c11668e2a459af847fd5.jpg?v=1791417843 Fmoc-L-glutamic acid g-tert-butyl ester a-amide, Purity by HPLC ≥ 99% | 104090-92-8 Fmoc-L-glutamic acid g-tert-butyl ester a-amide|05078|104090-92-8 https://www.jk-sci.com/products/ts246cs-0045532 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265001.png?v=1791341383 tert-Butyl 3-(2-cyanoacetyl)azetidine-1-carboxylate, 97% | 887594-13-0 tert-Butyl 3-(2-cyanoacetyl)azetidine-1-carboxylate|CS-0045532|887594-13-0 https://www.jk-sci.com/products/j5305116 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c10345cd77ed6d0d289ddd93f1fe68b.jpg?v=1791417800 Boc-L-2-cyclohexylglycine dicyclohexylammonium salt | 109183-71-3 Boc-L-2-cyclohexylglycine dicyclohexylammonium salt|05116|109183-71-3 https://www.jk-sci.com/products/j5305120 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97575aac17fd7cb2a43143df5043ad7c.jpg?v=1791417789 Na,b-Bis-Fmoc-D-2,3-diaminopropionic acid, Assay by titration ≥ 95% || Chiral HPLC ≥ 99.9% (ee) || Purity by HPLC ≥ 99% | 1217631-22-5 Na,b-Bis-Fmoc-D-2,3-diaminopropionic acid|05120|1217631-22-5 https://www.jk-sci.com/products/ts246cs-0045569 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e063d7bdc8e5a9eb0ca32a6c54b3b287.jpg?v=1791341355 Dimethyl 2-hydroxy-2,3-dihydrobenzofuran-4,6-dicarboxylate, 95% | 1268024-07-2 Dimethyl 2-hydroxy-2,3-dihydrobenzofuran-4,6-dicarboxylate|CS-0045569|1268024-07-2 https://www.jk-sci.com/products/j5305132 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aea7e5ba96e5e1e2bef6dd3a8032e50.jpg?v=1791417761 Boc-pentafluoro-L-phenylalanine, Purity by HPLC ≥ 98% | 34702-60-8 Boc-pentafluoro-L-phenylalanine|05132|34702-60-8 https://www.jk-sci.com/products/j5305127 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d3daa89e1cf796f92b3c420c2c3c722.jpg?v=1791417771 Boc-L-homotyrosine dicyclohexylammonium salt, Assay ≥ 99% | 198473-95-9 Boc-L-homotyrosine dicyclohexylammonium salt|05127|198473-95-9 https://www.jk-sci.com/products/s57c4x-166625 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3344a57a64a74d25e1bf8594697b52c6.jpg?v=1791375811 Irbesartan Impurity 25, 98.70% | 151257-01-1 Irbesartan Impurity 25|C4X-166625|151257-01-1 https://www.jk-sci.com/products/j5305136 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe39768fb80240850d33db464d666f3a.jpg?v=1791417756 Fmo-L-homoproline, Purity by HPLC ≥ 99% | 86069-86-5 Fmo-L-homoproline|05136|86069-86-5 https://www.jk-sci.com/products/j5305178 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/848a1208a1abab3be153e64dace1bb8c.jpg?v=1791417728 O-tert-Butyl-L-threoninol-2-chlorotrityl resin, Mesh Size 200-400 mesh || Substitution (meq/g) 0.3-0.8 meq/g O-tert-Butyl-L-threoninol-2-chlorotrityl resin|05178 https://www.jk-sci.com/products/ts246cs-0044056 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d39d049562a0d3564578429d2a84b8ce.jpg?v=1791342204 1H-Pyrazolo[4,3-b]pyridin-3-amine, 96% | 202336-32-1 1H-Pyrazolo[4,3-b]pyridin-3-amine|CS-0044056|202336-32-1 https://www.jk-sci.com/products/ts246cs-0044073 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c98e819b84a379a8b48d0d44a3ba7a2a.jpg?v=1791342167 (6-Fluoropyridin-3-yl)methanamine, 95% | 205744-17-8 (6-Fluoropyridin-3-yl)methanamine|CS-0044073|205744-17-8 https://www.jk-sci.com/products/ts246cs-0044213 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e3f221648875eece59a296b8c07cca7_0bc6f6f9-af7b-45a4-a6be-65d8af711e60.jpg?v=1791342068 6-Methoxyquinolin-4(1H)-one, 97% | 13788-72-2 6-Methoxyquinolin-4(1H)-one|CS-0044213|13788-72-2 https://www.jk-sci.com/products/ts246cs-0044128 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122604.png?v=1791342101 1H-Pyrrolo[2,3-b]pyridine-6-carboxylic acid, 96% | 898746-35-5 1H-Pyrrolo[2,3-b]pyridine-6-carboxylic acid|CS-0044128|898746-35-5 https://www.jk-sci.com/products/j5305182 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f82d1824df4efb929fa8ba0d5ecadd8.jpg?v=1791417720 4-Acetoxymethylbenzoic acid, Purity by HPLC ≥ 99% | 15561-46-3 4-Acetoxymethylbenzoic acid|05182|15561-46-3 https://www.jk-sci.com/products/ts246cs-0044360 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150394.png?v=1791342036 1,2-Dimethyl-1H-imidazole-5-carbaldehyde, 99.85%+ | 24134-12-1 1,2-Dimethyl-1H-imidazole-5-carbaldehyde|CS-0044360|24134-12-1 https://www.jk-sci.com/products/ts246cs-0044325 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8121296c1727869253d9d6933c8b829.jpg?v=1791342054 5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde, 95% | 660845-30-7 5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde|CS-0044325|660845-30-7 https://www.jk-sci.com/products/s57c4x-16667 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306406_dad36541-842c-4a85-b40c-bd26321fd49e.png?v=1791375804 Irbesartan Impurity 7, 98.60% | 138401-24-8 Irbesartan Impurity 7|C4X-16667|138401-24-8 https://www.jk-sci.com/products/ts246cs-0044474 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53c6f013a2af9ab64a56265d2737cd0d.jpg?v=1791341966 4-(4-Chlorophenoxy)-3,5-difluoroaniline, 98% | 549547-33-3 4-(4-Chlorophenoxy)-3,5-difluoroaniline|CS-0044474|549547-33-3 https://www.jk-sci.com/products/j5305201 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d6c00c4cda8e70810fcbae2f2516978.jpg?v=1791417705 Boc-Lys(Boc)-Pro-OH, Purity by HPLC ≥ 99% | 198475-99-9 Boc-Lys(Boc)-Pro-OH|05201|198475-99-9 https://www.jk-sci.com/products/ts246cs-0044446 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f5bf7baaa46ae0bcf0d5294bb6bb11f.jpg?v=1791341996 3-Bromo-1H-indole-6-carboxylic acid, 95.00%+ | 219508-19-7 3-Bromo-1H-indole-6-carboxylic acid|CS-0044446|219508-19-7 https://www.jk-sci.com/products/j5305282 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437b5cd717179d9c4cf1b7705ef9310d.jpg?v=1791417670 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine, Purity by HPLC ≥ 99% | 186698-61-3 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine|05282|186698-61-3 https://www.jk-sci.com/products/j5305219 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1bb0757ec925172753511e848667966.jpg?v=1791417694 Z-Phe-Ala-OH, Purity by HPLC ≥ 99% | 21881-18-5 Z-Phe-Ala-OH|05219|21881-18-5 https://www.jk-sci.com/products/j5305294 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3da4e6461c6676a027983d6e37a23359.jpg?v=1791417658 Fmoc-L-aspartic acid-b-cyclohexyl ester, Purity by HPLC ≥ 99% | 130304-80-2 Fmoc-L-aspartic acid-b-cyclohexyl ester|05294|130304-80-2 https://www.jk-sci.com/products/ts246cs-0044496 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/592512.png?v=1791341949 Tributyl(furan-2-yl)stannane, 95% | 118486-94-5 Tributyl(furan-2-yl)stannane|CS-0044496|118486-94-5 https://www.jk-sci.com/products/ts246cs-0044659 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414564_65f96d07-26d5-43c3-b906-07ccb967bed3.png?v=1791341876 2-Methyl-1H-benzo[d]imidazole-5-carboxylic acid, 95.00%+ | 709-19-3 2-Methyl-1H-benzo[d]imidazole-5-carboxylic acid|CS-0044659|709-19-3 https://www.jk-sci.com/products/ts246cs-0044860 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/665d0f5e45a82a47d60a3dcd2e5f5d0c.jpg?v=1791341783 1-Isobutyl-1H-pyrazole-4-carbaldehyde, 98% | 1006333-32-9 1-Isobutyl-1H-pyrazole-4-carbaldehyde|CS-0044860|1006333-32-9 https://www.jk-sci.com/products/ts246cs-0044709 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603500.png?v=1791341859 5-Bromo-2-(methylsulphonyl)pyrimidine, 96.00%+ | 38275-48-8 5-Bromo-2-(methylsulphonyl)pyrimidine|CS-0044709|38275-48-8 https://www.jk-sci.com/products/j5305298 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b8ce8d36bfb3ea64a6040092a0a9703.jpg?v=1791417647 Boc-S-benzyl-D-cysteine, Purity by HPLC ≥ 99% | 102830-49-9 Boc-S-benzyl-D-cysteine|05298|102830-49-9 https://www.jk-sci.com/products/ts246cs-0044805 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135149_c29a9f89-514d-4fb0-a1eb-55b1a9e69489.png?v=1791341808 2,2,2-Trifluoroethyl 4-methylbenzene-1-sulfonate, 97% | 433-06-7 2,2,2-Trifluoroethyl 4-methylbenzene-1-sulfonate|CS-0044805|433-06-7 https://www.jk-sci.com/products/ts246cs-0044880 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4deaa3410b84fd3deb4b651d6e74d746.jpg?v=1791341759 6-Chloro-5-(trifluoromethyl)nicotinaldehyde, 95.00%+ | 1113049-90-3 6-Chloro-5-(trifluoromethyl)nicotinaldehyde|CS-0044880|1113049-90-3 https://www.jk-sci.com/products/j5305307 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad8b7c834444f60b9d34b155d8b07c86.jpg?v=1791417639 Boc-O-benzyl-L-trans-4-hydroxyproline dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 54631-81-1 Boc-O-benzyl-L-trans-4-hydroxyproline dicyclohexylammonium salt|05307|54631-81-1 https://www.jk-sci.com/products/j5305315 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5996a0ef0e63afb44e1ceb0bf1d8a171.jpg?v=1791417633 Benzyl-L-proline, Purity by HPLC ≥ 99% | 31795-93-4 Benzyl-L-proline|05315|31795-93-4 https://www.jk-sci.com/products/j5305332 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a2c688a72b36859a795b3a9c165829f.jpg?v=1791417613 Fmoc-S-trityl-D-cysteine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Fmoc-S-trityl-D-cysteine 4-alkoxybenzyl alcohol resin|05332 https://www.jk-sci.com/products/s57c4x-166731 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128592_407a715a-4c0d-41d6-b39a-6d4f6ee14a22.png?v=1791375795 Irinotecan Hydrochloride Trihydrate, Purity: 100.0% | 136572-09-3 Irinotecan Hydrochloride Trihydrate|C4X-166731|136572-09-3 https://www.jk-sci.com/products/j5305320 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9399811de6bddc6a4e6cbb1700c1af6.jpg?v=1791417624 N,O-Bis-Boc-L-tyrosine, Purity by HPLC ≥ 98% | 20866-48-2 N,O-Bis-Boc-L-tyrosine|05320|20866-48-2 https://www.jk-sci.com/products/s57c4x-166748 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db7340b9e691d872ea6c056b08dbd9ae.jpg?v=1791375790 Belotecan HCl, 98.30% | 213819-48-8 Belotecan HCl|C4X-166748|213819-48-8 https://www.jk-sci.com/products/ts246cs-0044900 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0ccde0aaba108102f80590060c0a0d2.jpg?v=1791341733 4-Bromo-6-methylisoquinoline, 98% | 1204298-52-1 4-Bromo-6-methylisoquinoline|CS-0044900|1204298-52-1 https://www.jk-sci.com/products/j5305342 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba8f453574e77475a885eb01c35854b6.jpg?v=1791417604 3-(4-Hydroxymethylphenoxy)propionic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 101366-61-4 3-(4-Hydroxymethylphenoxy)propionic acid|05342|101366-61-4 https://www.jk-sci.com/products/j5305348 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b4f74a3939b6e1d7eb3d0478b1d5435.jpg?v=1791417594 Na-Fmoc-Nim-4-toluenesylfonyl-L-histidine, Chiral HPLC ≥ 99% || Purity by HPLC ≥ 99% | 112380-10-6 Na-Fmoc-Nim-4-toluenesylfonyl-L-histidine|05348|112380-10-6 https://www.jk-sci.com/products/j5305361 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03f0a3c20c2b57fb03e544e468909358.jpg?v=1791417584 Z-D-norleucine, Purity ≥ 99% | 15027-14-2 Z-D-norleucine|05361|15027-14-2 https://www.jk-sci.com/products/j5305350 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe9cbd6e1bf5a0d0500a183bc784274c.jpg?v=1791417590 Fmoc-O-methyl-L-tyrosine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98% | 77128-72-4 Fmoc-O-methyl-L-tyrosine|05350|77128-72-4 https://www.jk-sci.com/products/j5305372 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdc29df4cb333f78ebc277cd40a53858.jpg?v=1791417573 L-Phenylglycinol, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99.5% | 20989-17-7 L-Phenylglycinol|05372|20989-17-7 https://www.jk-sci.com/products/ts246cs-0044911 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da0b328b6ebc09a061b9dd9e2ac91242.jpg?v=1791341716 (4-Chloro-3-isopropoxyphenyl)boronic acid, 95% | 1256346-35-6 (4-Chloro-3-isopropoxyphenyl)boronic acid|CS-0044911|1256346-35-6 https://www.jk-sci.com/products/j5305386 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52eefb511172dddc0997aa70b01ae6b9.jpg?v=1791417556 N,S-di-Z-L-cysteine, Purity by HPLC ≥ 98% | 57912-35-3 N,S-di-Z-L-cysteine|05386|57912-35-3 https://www.jk-sci.com/products/ts246cs-0044925 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb246ec6cfc1151244942d21fbf53770.jpg?v=1791341700 (6-Methyl-1H-indazol-5-yl)boronic acid, 98% | 1310405-35-6 (6-Methyl-1H-indazol-5-yl)boronic acid|CS-0044925|1310405-35-6 https://www.jk-sci.com/products/ts246cs-0044970 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66db5681dc7a8bd86eaab149c4dfa2c1.jpg?v=1791341657 4-(1H-Imidazol-2-yl)pyridine, 98% | 21202-42-6 4-(1H-Imidazol-2-yl)pyridine|CS-0044970|21202-42-6 https://www.jk-sci.com/products/ts246cs-0044953 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368554.png?v=1791341679 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione, 97% | 174463-53-7 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0044953|174463-53-7 https://www.jk-sci.com/products/ts246cs-0045021 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890280.png?v=1791341596 Potassium trifluoro(phenylethynyl)borate, 97% | 485338-93-0 Potassium trifluoro(phenylethynyl)borate|CS-0045021|485338-93-0 https://www.jk-sci.com/products/s57c4x-16677 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e6d5c3f964d0abf3456073e30789f03.jpg?v=1791375784 Irinotecan EP Impurity G, 98.00% | 947687-01-6 Irinotecan EP Impurity G|C4X-16677|947687-01-6 https://www.jk-sci.com/products/ts246cs-0045038 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac4099bb391fdbe50abf3ce7efd948af.jpg?v=1791341584 7-Bromoindoline, 95% | 62813-85-8 7-Bromoindoline|CS-0045038|62813-85-8 https://www.jk-sci.com/products/j5305397 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd67aa31228ad2c932ded69e7e93ec95.jpg?v=1791417549 Z-dehydroalanine, Purity by HPLC ≥ 95% | 39692-63-2 Z-dehydroalanine|05397|39692-63-2 https://www.jk-sci.com/products/ts246cs-0045066 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55ca8340088b7dd954597725d845c958.jpg?v=1791341548 Methyl 2-amino-6-fluorobenzoate, 95% | 86505-94-4 Methyl 2-amino-6-fluorobenzoate|CS-0045066|86505-94-4 https://www.jk-sci.com/products/j5303467 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd04a535b6d5cae8e6efc7725b093333.jpg?v=1791419476 Glycine-2-chlorotrityl resin (0.8 - 1.2 meq/g, 200 - 400 mesh), Mesh Size 200-400 mesh || Substitution (meq/g) 0.8-1.2 meq/g Glycine-2-chlorotrityl resin (0.8 - 1.2 meq/g, 200 - 400 mesh)|03467 https://www.jk-sci.com/products/s57c4x-166912 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28d57546d0b9dcd975b6c7b20a8d6100.jpg?v=1791375774 Ketorolac EP Impurity B, 99.20% | 113502-52-6 Ketorolac EP Impurity B|C4X-166912|113502-52-6 https://www.jk-sci.com/products/j5305391 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8525437f00a8d0d3b1127902176992cd.jpg?v=1791417550 Na-Boc-Ne-4-toluenesulfonyl-L-lysine dicyclohexylammonium salt, Purity by HPLC ≥ 98% | 13734-29-7 Na-Boc-Ne-4-toluenesulfonyl-L-lysine dicyclohexylammonium salt|05391|13734-29-7 https://www.jk-sci.com/products/j5303905 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70f6e4e4564656ac78114085da38d21a.jpg?v=1791419012 Na-Fmoc-Ng-4-methyltrityl-L-asparagine, Purity by HPLC ≥ 99% | 144317-22-6 Na-Fmoc-Ng-4-methyltrityl-L-asparagine|03905|144317-22-6 https://www.jk-sci.com/products/ts246cs-0045100 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b439f0c6039058ae6f10fb9b65d5f010.jpg?v=1791341512 2-Chloroquinazolin-8-ol, 96.57%+ | 953039-10-6 2-Chloroquinazolin-8-ol|CS-0045100|953039-10-6 https://www.jk-sci.com/products/s57c4x-166914 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1caed6129f9dd0aba4f26c8bec2ecfca.jpg?v=1791375774 Ketorolac EP Impurity F, 98.70% | 1391052-68-8 Ketorolac EP Impurity F|C4X-166914|1391052-68-8 https://www.jk-sci.com/products/ts246cs-0045206 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/173a2459c88fba11f315725be51dccc6.jpg?v=1791341486 1-(6-Aminonaphthalen-2-yl)ethan-1-one, 98% | 7470-88-4 1-(6-Aminonaphthalen-2-yl)ethan-1-one|CS-0045206|7470-88-4 https://www.jk-sci.com/products/ts246cs-0045367 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791862.png?v=1791341444 (2-Methylthiazol-4-yl)methanol, 95% | 76632-23-0 (2-Methylthiazol-4-yl)methanol|CS-0045367|76632-23-0 https://www.jk-sci.com/products/j5304101 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a47168495c6a7756030718c5fd5a51ba.jpg?v=1791418736 Boc-3-chloro-D-phenylalanine, Purity by HPLC ≥ 99% | 80102-25-6 Boc-3-chloro-D-phenylalanine|04101|80102-25-6 https://www.jk-sci.com/products/j5304231 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2219b1043f7e31fe41984063a9f0078e.jpg?v=1791418559 Fmoc-S-trityl-L-cysteine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh), Mesh Size 200 - 400 || Substitution (meq/g) 0.3 - 0.8 meq/g Fmoc-S-trityl-L-cysteine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|04231 https://www.jk-sci.com/products/s57c4x-166938 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794739_34706a15-da97-4b7a-a822-994713d743a6.png?v=1791375756 Ketorolac Impurity 38, 98.80% | 1468-28-6 Ketorolac Impurity 38|C4X-166938|1468-28-6 https://www.jk-sci.com/products/s57c4x-166921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77d93b43-7281-4f38-aff1-d769e1b7f10e.png?v=1791375764 Ketorolac Impurity 21, 98.90% Ketorolac Impurity 21|C4X-166921 https://www.jk-sci.com/products/j5304374 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41c62a6b55be7ea5b1d97b77334b04d7.jpg?v=1791418416 Na-Acetyl-Ne-Boc-L-lysine, Purity by HPLC ≥ 98% | 23500-04-1 Na-Acetyl-Ne-Boc-L-lysine|04374|23500-04-1 https://www.jk-sci.com/products/ts246cs-0045524 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d907ecbd83fc3c2b103012b5d5720c3.jpg?v=1791341393 1-Boc-3-((Methylamino)methyl)azetidine, 98% | 1049730-81-5 1-Boc-3-((Methylamino)methyl)azetidine|CS-0045524|1049730-81-5 https://www.jk-sci.com/products/ts246cs-0044147 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4dcdcc4b6db8ca2d5af9510ef08e57d.jpg?v=1791342097 4-Bromo-1H-pyrrole-2-carboxamide, 96.00%+ | 196106-96-4 4-Bromo-1H-pyrrole-2-carboxamide|CS-0044147|196106-96-4 https://www.jk-sci.com/products/ts246cs-0044063 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63e68b387b105934bcfa451eaa2f08ed.jpg?v=1791342189 Bicyclo[4.2.0]octa-1,3,5-triene-3-carbaldehyde, 95% | 112892-88-3 Bicyclo[4.2.0]octa-1,3,5-triene-3-carbaldehyde|CS-0044063|112892-88-3 https://www.jk-sci.com/products/j5304629 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/063aff4098b3c85f5dc1d70c69a0eeb2.jpg?v=1791418206 L-Pyroglutamic acid 7-amido-4-methylcoumarin, Purity by HPLC ≥ 98% | 66642-36-2 L-Pyroglutamic acid 7-amido-4-methylcoumarin|04629|66642-36-2 https://www.jk-sci.com/products/ts246cs-0044352 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51f1259a3ac86d6f564e2f6f3aa94902.jpg?v=1791342042 Methyl 3-acetylbenzoate, 95% | 21860-07-1 Methyl 3-acetylbenzoate|CS-0044352|21860-07-1 https://www.jk-sci.com/products/ts246cs-0044462 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338d191b0803b1103fff47ed13a1c2fb.jpg?v=1791341982 Ethyl benzo[d]oxazole-5-carboxylate, 97.00%+ | 1404370-64-4 Ethyl benzo[d]oxazole-5-carboxylate|CS-0044462|1404370-64-4 https://www.jk-sci.com/products/j5304784 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc86e17bc55f73e23cee944890607e55.jpg?v=1791418137 Tentagel S SH (0.2 - 0.3 meq/g, 130 μm), Substitution (meq/g) 0.2-0.3 Tentagel S SH (0.2 - 0.3 meq/g, 130 μm)|04784 https://www.jk-sci.com/products/j5304456 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200bbc4c5cd507c19b8e974c2b8fca40.jpg?v=1791418302 L-Tyrosine allyl ester 4-toluenesulfonate salt, Assay by titration 99 - 101% (NaOH) | 125441-05-6 L-Tyrosine allyl ester 4-toluenesulfonate salt|04456|125441-05-6 https://www.jk-sci.com/products/ts246cs-0044565 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1ca95575546e00fa6a2e90c422e74f.jpg?v=1791341903 rel-(1R,2R)-2-(2-(Trifluoromethyl)phenyl)cyclopropane-1-carboxylic acid, 97% | 157518-49-5 rel-(1R,2R)-2-(2-(Trifluoromethyl)phenyl)cyclopropane-1-carboxylic acid|CS-0044565|157518-49-5 https://www.jk-sci.com/products/s57c4x-16721 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b022f91ad126d5ba30ab7b78aef4492f.jpg?v=1791375741 Lamotrigine EP Impurity A, 95.50% | 252186-78-0 Lamotrigine EP Impurity A|C4X-16721|252186-78-0 https://www.jk-sci.com/products/ts246cs-0044914 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db20f5b26db503effd6a20e0d52aefe5.jpg?v=1791341710 4-Chloro-1H-pyrazolo[3,4-c]pyridine, 98% | 1260671-36-0 4-Chloro-1H-pyrazolo[3,4-c]pyridine|CS-0044914|1260671-36-0 https://www.jk-sci.com/products/ts246cs-0044889 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4a81f962beb26f9e293fd01574347da.jpg?v=1791341743 3-Bromo-1H-pyrazolo[3,4-b]pyridin-5-amine, 98.00%+ | 1186608-71-8 3-Bromo-1H-pyrazolo[3,4-b]pyridin-5-amine|CS-0044889|1186608-71-8 https://www.jk-sci.com/products/ts246cs-0044823 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5f3e047de10656fa7785214b3036bab.jpg?v=1791341798 tert-Butyl (2S,4S)-4-amino-2-(hydroxymethyl)pyrrolidine-1-carboxylate hydrochloride, 97% | 1279037-14-7 tert-Butyl (2S,4S)-4-amino-2-(hydroxymethyl)pyrrolidine-1-carboxylate hydrochloride|CS-0044823|1279037-14-7 https://www.jk-sci.com/products/ts246cs-0039069 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64edb4cdab6a916c4ad0d3a823d7a24e.jpg?v=1791346406 tert-Butyl 4-cyano-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate, 97% | 946497-94-5 tert-Butyl 4-cyano-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate|CS-0039069|946497-94-5 https://www.jk-sci.com/products/ts246cs-0044961 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2c48c5ee4cd4c567232f6f70df72d33.jpg?v=1791341664 (4-Hydroxy-3-methoxyphenyl)boronic acid, 96% | 182344-21-4 (4-Hydroxy-3-methoxyphenyl)boronic acid|CS-0044961|182344-21-4 https://www.jk-sci.com/products/s57c4x-16723 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1ed53c859106fa507b4df83ef7efb35.jpg?v=1791375737 Lamotrigine EP Impurity G, 95.90% | 38943-76-9 Lamotrigine EP Impurity G|C4X-16723|38943-76-9 https://www.jk-sci.com/products/s57c4x-16697 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e416a413a30bb054afd7554147919392.jpg?v=1791375751 Ketorolac EP Impurity G, 97.90% | 1391051-90-3 Ketorolac EP Impurity G|C4X-16697|1391051-90-3 https://www.jk-sci.com/products/s57c4x-167312 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485415_2e9748ce-462d-451f-8628-fb485a69f97d.png?v=1791375726 Leflunomide EP Impurity A, 98.50% | 455-14-1 Leflunomide EP Impurity A|C4X-167312|455-14-1 https://www.jk-sci.com/products/ts246cs-0041013 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101274_23652a96-0307-40b6-beb7-979fc36e5e47.png?v=1791345443 3-Chloro-4-iodophenyl trifluoromethyl ether, 96.13%+ | 345226-19-9 3-Chloro-4-iodophenyl trifluoromethyl ether|CS-0041013|345226-19-9 https://www.jk-sci.com/products/s57c4x-16734 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415960_326d709b-f858-4550-813b-8e4dd711587d.png?v=1791375717 Leflunomide EP Impurity D, 99.10% | 42831-50-5 Leflunomide EP Impurity D|C4X-16734|42831-50-5 https://www.jk-sci.com/products/ts246cs-0044235 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b1cd1e6562e2151ef185eb261036386.jpg?v=1791342058 5-Bromo-4-nitrothiophene-2-carboxylic acid, 95% | 89283-24-9 5-Bromo-4-nitrothiophene-2-carboxylic acid|CS-0044235|89283-24-9 https://www.jk-sci.com/products/j5304880 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246adc59703e48b09b327ce1203d895a.jpg?v=1791418077 Chlorotripyrrolidinophosphonium hexafluorophosphate, Purity by HPLC ≥ 98% | 133894-48-1 Chlorotripyrrolidinophosphonium hexafluorophosphate|04880|133894-48-1 https://www.jk-sci.com/products/s57c4x-16761 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4abed649cbe6e7213f17d166c8669e06.jpg?v=1791375707 Levodopa EP Impurity A, 96.30% | 27244-64-0 Levodopa EP Impurity A|C4X-16761|27244-64-0 https://www.jk-sci.com/products/ts246cs-0044485 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/821de248dea0926cf315acda26e4c15e.jpg?v=1791341959 Methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate, 98% | 910122-42-8 Methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate|CS-0044485|910122-42-8 https://www.jk-sci.com/products/j5304941 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eca45c669fd1f2ae2875277246fadbed.jpg?v=1791418023 (2S,4R)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid, Purity by HPLC ≥ 98% | 176486-63-8 (2S,4R)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid|04941|176486-63-8 https://www.jk-sci.com/products/j5304986 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/498cf3158e0d39c53d05613547ba649f.jpg?v=1791417963 Fmoc-L-indoline-2-carboxylic acid, Assay ≥ 98% | 198560-38-2 Fmoc-L-indoline-2-carboxylic acid|04986|198560-38-2 https://www.jk-sci.com/products/j5304967 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2e3d56c264f9ec6d7aec7a09be71881.jpg?v=1791417985 Na-Boc-Nb-allyloxycarbonyl-L-2,3-diaminopropionic acid dicyclohexylammonium salt, Assay by titration ≥ 99% || Purity by HPLC ≥ 97% | 204197-28-4 Na-Boc-Nb-allyloxycarbonyl-L-2,3-diaminopropionic acid dicyclohexylammonium salt|04967|204197-28-4 https://www.jk-sci.com/products/ts246cs-0044749 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46a312c3d2ceee564c0183634c69df1d.jpg?v=1791341832 1H-1,2,3-Triazol-1-amine, 98% | 584-14-5 1H-1,2,3-Triazol-1-amine|CS-0044749|584-14-5 https://www.jk-sci.com/products/s57c4x-16763 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/583267_dfa90b91-ae9f-42b1-9d87-410e9c37b996.png?v=1791375701 Levodopa EP Impurity D, 99.90% | 5796-17-8 Levodopa EP Impurity D|C4X-16763|5796-17-8 https://www.jk-sci.com/products/ts246cs-0044903 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/739a0994d7577b79bf5c0b97d7c32323.jpg?v=1791341726 2-(4-Fluorophenyl)propan-2-amine hydrochloride, 95% | 1216563-60-8 2-(4-Fluorophenyl)propan-2-amine hydrochloride|CS-0044903|1216563-60-8 https://www.jk-sci.com/products/ts246cs-0045004 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/561321.png?v=1791341617 Methyl 4-iodo-3-methoxybenzoate, 98% | 35387-92-9 Methyl 4-iodo-3-methoxybenzoate|CS-0045004|35387-92-9 https://www.jk-sci.com/products/j5305001 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e16192da0e7fa7eb56664abdfddb6d5.jpg?v=1791417931 5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine, Purity by HPLC ≥ 99.5% | 76512-82-8 5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine|05001|76512-82-8 https://www.jk-sci.com/products/ts246cs-0045060 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141104_2c75aca6-b424-4d41-898f-2fa29216c658.png?v=1791341557 Ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate, 96% | 82231-58-1 Ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate|CS-0045060|82231-58-1 https://www.jk-sci.com/products/j5305035 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f7c5209cf0b8f065a83b0a4bbf74735.jpg?v=1791417889 Fmoc-Freidinger's lactam, Purity by HPLC ≥ 97% | 145484-45-3 Fmoc-Freidinger's lactam|05035|145484-45-3 https://www.jk-sci.com/products/ts246cs-0045107 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5ac5ae575c1cb7eb6497df0207b5af3.jpg?v=1791341506 5-Chloro-1-methyl-1H-pyrazolo[3,4-c]pyridine, 98% | 1521237-92-2 5-Chloro-1-methyl-1H-pyrazolo[3,4-c]pyridine|CS-0045107|1521237-92-2 https://www.jk-sci.com/products/ts246cs-0045447 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72cc386c0e3d1edecb2c2fab0aaf4226.jpg?v=1791341411 Thietan-3-ol, 97.00%+ | 10304-16-2 Thietan-3-ol|CS-0045447|10304-16-2 https://www.jk-sci.com/products/ts246cs-0045585 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae5977608ae53a86492f8d292661fe35.jpg?v=1791341350 Methyl 5-chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylate, 97% | 70662-93-0 Methyl 5-chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylate|CS-0045585|70662-93-0 https://www.jk-sci.com/products/ts246cs-0044427 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f561bf56ad8a9a3ae40d91f37de25bff.jpg?v=1791342008 (S)-4-Ethyl-4-hydroxy-11-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione, 95% | 78287-26-0 (S)-4-Ethyl-4-hydroxy-11-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione|CS-0044427|78287-26-0 https://www.jk-sci.com/products/s57c4x-16769 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206939_ecd436f8-17f3-4307-b808-26e99bde1a09.png?v=1791375691 Levodopa Impurity 9, 85.70% | 300-48-1 Levodopa Impurity 9|C4X-16769|300-48-1 https://www.jk-sci.com/products/s57c4x-167718 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308099_75d9c525-d4ed-459f-b178-510cf0ae33db.png?v=1791375674 Levonorgestrel EP Impurity R, 97.00% | 2322-77-2 Levonorgestrel EP Impurity R|C4X-167718|2322-77-2 https://www.jk-sci.com/products/ts246cs-0044864 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dab170429e555280fe43d33f45099de.jpg?v=1791341773 3-Iodo-4-(trifluoromethyl)benzoic acid, 98% | 1034690-61-3 3-Iodo-4-(trifluoromethyl)benzoic acid|CS-0044864|1034690-61-3 https://www.jk-sci.com/products/s57c4x-167713 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c812e96c2633f1ad771e24edccf64c00.jpg?v=1791375682 Levonorgestrel EP Impurity M, 94.00% | 51087-61-7 Levonorgestrel EP Impurity M|C4X-167713|51087-61-7 https://www.jk-sci.com/products/j5305050 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6d841b92b8b6e9f7fca6cb8db7167ba.jpg?v=1791417868 Fmoc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, Purity by HPLC ≥ 97% | 215190-27-5 Fmoc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one|05050|215190-27-5 https://www.jk-sci.com/products/ts246cs-0045033 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/718af87558ea367bd36b720329577a8a.jpg?v=1791341585 7-Chloroisoquinolin-8-amine, 97% | 55766-90-0 7-Chloroisoquinolin-8-amine|CS-0045033|55766-90-0 https://www.jk-sci.com/products/s57c4x-167721 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6d65fb0c4200c24f2df6755e2a9276d.jpg?v=1791375654 Levonorgestrel EP Impurity V, 95.40% | 14009-70-2 Levonorgestrel EP Impurity V|C4X-167721|14009-70-2 https://www.jk-sci.com/products/ts246cs-0045318 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e5f63b9a995f3f5b2ea5c3b06faefb4.jpg?v=1791341466 (2-Amino-5-nitrophenyl)methanol, 98% | 77242-30-9 (2-Amino-5-nitrophenyl)methanol|CS-0045318|77242-30-9 https://www.jk-sci.com/products/j5305069 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c723a199ce0b59514be0c4febe19c5d0.jpg?v=1791417847 4-Benzyloxybenzaldehyde resin (1.5 - 2.5 mmol/g, 100 - 200 mesh), Mesh Size 100 - 200 mesh || Substitution (meq/g) 1.5 - 2.5 meq/g (Elemental anal 4-Benzyloxybenzaldehyde resin (1.5 - 2.5 mmol/g, 100 - 200 mesh)|05069 https://www.jk-sci.com/products/ts246cs-0044943 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410690_50f05b9e-8f8b-43a6-9820-738217de5b22.png?v=1791341684 2-(1-(Hydroxymethyl)cyclopropyl)acetonitrile, 90% | 152922-71-9 2-(1-(Hydroxymethyl)cyclopropyl)acetonitrile|CS-0044943|152922-71-9 https://www.jk-sci.com/products/ts246cs-0044089 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b392ab85513bf20cf7912e093830a8be.jpg?v=1791342146 1-(3-Hydroxyazetidin-1-yl)ethanone, 97% | 118972-96-6 1-(3-Hydroxyazetidin-1-yl)ethanone|CS-0044089|118972-96-6 https://www.jk-sci.com/products/ts246cs-0044679 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afc1792d626658766307de4928997046.jpg?v=1791341876 1,5-Dibromo-2,4-diiodobenzene, 97% | 96843-23-1 1,5-Dibromo-2,4-diiodobenzene|CS-0044679|96843-23-1 https://www.jk-sci.com/products/ts246cs-0045081 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151a8850c0bac6637e97f1dae5e1f2b1.jpg?v=1791341530 4-Formyl-3-nitrobenzonitrile, 98.00%+ | 90178-78-2 4-Formyl-3-nitrobenzonitrile|CS-0045081|90178-78-2 https://www.jk-sci.com/products/j5305095 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/067ddea941cce9c23e973e4d9a78534e.jpg?v=1791417829 Boc-O-benzyl-L-serine N,O-dimethylhydroxamide, Purity by HPLC ≥ 99% | 115186-34-0 Boc-O-benzyl-L-serine N,O-dimethylhydroxamide|05095|115186-34-0 https://www.jk-sci.com/products/ts246cs-0038491 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0ad297f664e2e34df275c6235cdfe61.jpg?v=1791346762 tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate, 97% | 1160246-72-9 tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate|CS-0038491|1160246-72-9 https://www.jk-sci.com/products/ts246cs-0042578 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/565402_9d395ec8-38b8-4419-a8a1-5a0b11c53e43.png?v=1791343866 1-(3-(Difluoromethoxy)phenyl)ethan-1-one, 98% | 101975-23-9 1-(3-(Difluoromethoxy)phenyl)ethan-1-one|CS-0042578|101975-23-9 https://www.jk-sci.com/products/j5305114 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419828b30d644fffcec5d3b2091484ee.jpg?v=1791417800 Fmoc-4-benzoyl-D-phenylalanine, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 97% | 117666-97-4 Fmoc-4-benzoyl-D-phenylalanine|05114|117666-97-4 https://www.jk-sci.com/products/s57c4x-16774 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdc322f3e502960bebcde01dde096964.jpg?v=1791375649 Levonorgestrel EP Impurity D, 93.80% | 32419-58-2 Levonorgestrel EP Impurity D|C4X-16774|32419-58-2 https://www.jk-sci.com/products/s57c4x-16778 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3148eb62a36263ed18ad7e3f9779ad5a.jpg?v=1791375643 Levonorgestrel EP Impurity H, 94.60% | 55555-97-0 Levonorgestrel EP Impurity H|C4X-16778|55555-97-0 https://www.jk-sci.com/products/ts246cs-0041521 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1068bc0480978b6d30b28cb013f76528.jpg?v=1791344833 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione, 95% | 77603-45-3 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0041521|77603-45-3 https://www.jk-sci.com/products/j5305123 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7461ddd83aa35262d528df8b99e68c65.jpg?v=1791417783 Boc-O-benzyl-L-homoserine, Assay ≥ 96% || Purity by HPLC ≥ 99% | 59408-74-1 Boc-O-benzyl-L-homoserine|05123|59408-74-1 https://www.jk-sci.com/products/ts246cs-0045636 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe51c2caa112a958fe60a0142f7c8464.jpg?v=1791341338 2-(Ethylsulfonyl)acetonitrile, 97.00%+ | 13654-62-1 2-(Ethylsulfonyl)acetonitrile|CS-0045636|13654-62-1 https://www.jk-sci.com/products/ts246cs-0043081 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9f0d412675126a75e33a1cbdaa1b00.jpg?v=1791343214 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one, 95.74%+ | 27320-99-6 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0043081|27320-99-6 https://www.jk-sci.com/products/j5305135 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2dea3b0f96ed1fc0794e6dd7eab3b5a.jpg?v=1791417757 Boc-L-homoproline, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 26250-84-0 Boc-L-homoproline|05135|26250-84-0 https://www.jk-sci.com/products/s57c4x-167827 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a800ef273238ba046b074c1e0a6aa7f7.jpg?v=1791375622 Levothyroxine Impurity 27, 86.90% | 671235-41-9 Levothyroxine Impurity 27|C4X-167827|671235-41-9 https://www.jk-sci.com/products/ts246cs-0045635 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1aa518a641876bf62931f107c7e3fe88.jpg?v=1791341339 6-Methoxy-5-nitropyrimidin-4-amine, 97% | 73318-75-9 6-Methoxy-5-nitropyrimidin-4-amine|CS-0045635|73318-75-9 https://www.jk-sci.com/products/ts246cs-0045534 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7ce9e7a0d61b768b7f2e901c2a96969.jpg?v=1791341383 trans-Methyl 3-((tert-butoxycarbonyl)amino)cyclobutanecarboxylate, 97% | 1101173-77-6 trans-Methyl 3-((tert-butoxycarbonyl)amino)cyclobutanecarboxylate|CS-0045534|1101173-77-6 https://www.jk-sci.com/products/ts246cs-0045612 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26809bfa56fb290179771725e21eabd2.jpg?v=1791341345 2-Chloro-6-(trifluoromethyl)phenylboronic acid, 98% | 851756-52-0 2-Chloro-6-(trifluoromethyl)phenylboronic acid|CS-0045612|851756-52-0 https://www.jk-sci.com/products/s57c4x-16784 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130648_36e33bfb-5582-4fd4-8c5e-a912b58aa760.png?v=1791375614 Levothyroxine EP Impurity D, 92.20% | 67-30-1 Levothyroxine EP Impurity D|C4X-16784|67-30-1 https://www.jk-sci.com/products/s57c4x-167910 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20fc7744d495f05d3068d3d5946b1999.jpg?v=1791375603 Lidocaine EP Impurity J HCl, 99.10% | 1012864-23-1 Lidocaine EP Impurity J HCl|C4X-167910|1012864-23-1 https://www.jk-sci.com/products/ts246cs-0045645 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/962c12fc6ba480ad05417f3e33aef899.jpg?v=1791341333 5-Chloro-6-methylpyrimidin-4-amine, 96% | 13040-89-6 5-Chloro-6-methylpyrimidin-4-amine|CS-0045645|13040-89-6 https://www.jk-sci.com/products/s57c4x-16793 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea71aa1befe3b3a5a53b4294ed2279a9_348afebe-c9b8-4ebe-a2d7-9c3d22c0695f.jpg?v=1791375582 Lidocaine EP Impurity C, 99.50% | 2198-53-0 Lidocaine EP Impurity C|C4X-16793|2198-53-0 https://www.jk-sci.com/products/j5305181 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3eaa81f98f9e294d08df6a4ad7c9218.jpg?v=1791417723 Boc-L-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Merrifield resin (0.25 - 1.0 meq/g, 100 - 200, Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.25 - 1.0 meq/g Boc-L-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Merrifield resin (0.25 - 1.0 meq/g, 100 - 200|05181 https://www.jk-sci.com/products/ts246cs-0045658 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0031be611cf14b250e04c69153e2afc.jpg?v=1791341328 4-Hydrazinyl-6-(methylthio)pyrimidine, 97% | 99469-77-9 4-Hydrazinyl-6-(methylthio)pyrimidine|CS-0045658|99469-77-9 https://www.jk-sci.com/products/s57c4x-167945 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482612_06e63c89-9d45-4251-b9fd-adc1c7c1ea0b.png?v=1791375577 Lidocaine Impurity 45, 98.30% | 89-58-7 Lidocaine Impurity 45|C4X-167945|89-58-7 https://www.jk-sci.com/products/ts246cs-0045705 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd2955e7e8d1b3397ba4db903b4949cb.jpg?v=1791341307 2,4-Dichloro-5-(methylthio)pyrimidine, 95.00%+ | 7401-98-1 2,4-Dichloro-5-(methylthio)pyrimidine|CS-0045705|7401-98-1 https://www.jk-sci.com/products/ts246cs-0045702 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b2ba284303bd679d877c0c848c0efc0.jpg?v=1791341312 4-Chloro-5,6-dimethoxypyrimidine, 98% | 5193-88-4 4-Chloro-5,6-dimethoxypyrimidine|CS-0045702|5193-88-4 https://www.jk-sci.com/products/s57c4x-167973 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_538716f2-eae1-496a-99fd-3a59e47618d4.png?v=1791375555 Lidocaine Impurity 73, 94.40% Lidocaine Impurity 73|C4X-167973 https://www.jk-sci.com/products/ts246cs-0045682 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104221.png?v=1791341326 5-Iodopyrimidin-4-ol, 96% | 4349-07-9 5-Iodopyrimidin-4-ol|CS-0045682|4349-07-9 https://www.jk-sci.com/products/j5305208 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556bc77c429307b65ae6438c5fd1b083.jpg?v=1791417695 Boc-Phe-Leu-OH, Purity by HPLC ≥ 97.5% | 33014-68-5 Boc-Phe-Leu-OH|05208|33014-68-5 https://www.jk-sci.com/products/ts246cs-0045706 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586babf4ec805c29ca2ea6cfb9a64a8e.jpg?v=1791341301 4-Chloro-6-methoxy-5-nitropyrimidine, 95% | 52854-14-5 4-Chloro-6-methoxy-5-nitropyrimidine|CS-0045706|52854-14-5 https://www.jk-sci.com/products/ts246cs-0045709 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de86457299523f61359f660a35065867.jpg?v=1791341301 2-Chloro-4-ethyl-5-fluoropyrimidine, 97% | 137234-90-3 2-Chloro-4-ethyl-5-fluoropyrimidine|CS-0045709|137234-90-3 https://www.jk-sci.com/products/ts246cs-0045712 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b359d6a65e8a2d7f4a5ccd7365fa04b.jpg?v=1791341296 4-Chloro-2-phenylpyrimidine, 98% | 14790-42-2 4-Chloro-2-phenylpyrimidine|CS-0045712|14790-42-2 https://www.jk-sci.com/products/ts246cs-0045765 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393790.png?v=1791341253 5-Chloro-6-methylpyrimidin-4(3H)-one, 98% | 7752-72-9 5-Chloro-6-methylpyrimidin-4(3H)-one|CS-0045765|7752-72-9 https://www.jk-sci.com/products/s57c4x-168310 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab2f804ba8cc4ea3ead085d2e89ea7fc.jpg?v=1791375533 Losartan EP Impurity J, 97.20% | 1006062-27-6 Losartan EP Impurity J|C4X-168310|1006062-27-6 https://www.jk-sci.com/products/ts246cs-0045719 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc79b8a6bcd6e814398e8d0e2c89a407.jpg?v=1791341286 2-Chloro-4-hydrazinyl-5-methoxypyrimidine, 99.59%+ | 98021-95-5 2-Chloro-4-hydrazinyl-5-methoxypyrimidine|CS-0045719|98021-95-5 https://www.jk-sci.com/products/ts246cs-0045711 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a13036a00b9c39c7b8fd3d44fd2c4c2.jpg?v=1791341301 2-Amino-4,6-dichloropyrimidine-5-carbonitrile, 97% | 1277179-33-5 2-Amino-4,6-dichloropyrimidine-5-carbonitrile|CS-0045711|1277179-33-5 https://www.jk-sci.com/products/s57c4x-168230 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d83de8944263a1c56e52222966f2f721.jpg?v=1791375538 Lopinavir Related Compound C, 99.00% | 2125942-48-3 Lopinavir Related Compound C|C4X-168230|2125942-48-3 https://www.jk-sci.com/products/ts246cs-0045751 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3674a85d50e3aeb9662712aa000527d.jpg?v=1791341264 2,4-Diaminopyrimidine-5-carbonitrile, 95.00%+ | 16462-27-4 2,4-Diaminopyrimidine-5-carbonitrile|CS-0045751|16462-27-4 https://www.jk-sci.com/products/ts246cs-0045722 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dba7bb01e553900aa11ab5fa7354a77.jpg?v=1791341280 2-Chloro-5-fluoro-4-methoxy-6-methylpyrimidine, 97% | 1192479-35-8 2-Chloro-5-fluoro-4-methoxy-6-methylpyrimidine|CS-0045722|1192479-35-8 https://www.jk-sci.com/products/s57c4x-168313 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40270c00b4dcf3fe4399cf69bfa7180b.jpg?v=1791375527 Losartan EP Impurity M, 95.50% | 230971-72-9 Losartan EP Impurity M|C4X-168313|230971-72-9 https://www.jk-sci.com/products/j5305285 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43ca19b551006b86c7fe36fb11225b96.jpg?v=1791417664 7-Methoxycoumarin-4-acetic acid, Purity by HPLC ≥ 97% | 62935-72-2 7-Methoxycoumarin-4-acetic acid|05285|62935-72-2 https://www.jk-sci.com/products/s57c4x-168320 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7dd693641b11bbea97f4383a860426c.jpg?v=1791375511 Losartan Impurity 20, 97.50% | 154709-19-0 Losartan Impurity 20|C4X-168320|154709-19-0 https://www.jk-sci.com/products/j5305305 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d1b2b707c8ecac3b70eb70580b835c1.jpg?v=1791417642 Na-Boc-D-histidine, Purity ≥ 97% | 50654-94-9 Na-Boc-D-histidine|05305|50654-94-9 https://www.jk-sci.com/products/ts246cs-0045792 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/704eb555889213f953f2e3c9e6f9f09a.jpg?v=1791341230 5-Fluoro-6-hydroxy-2-methyl-4(1H)-pyrimidinone, 99.91%+ | 1598-63-6 5-Fluoro-6-hydroxy-2-methyl-4(1H)-pyrimidinone|CS-0045792|1598-63-6 https://www.jk-sci.com/products/j5305318 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c7d764ba65796adbb5b3bc70f1b6303.jpg?v=1791417628 Boc-O-tert-butyl-L-serine, Purity by HPLC ≥ 97% | 13734-38-8 Boc-O-tert-butyl-L-serine|05318|13734-38-8 https://www.jk-sci.com/products/ts246cs-0045814 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1054bb2a88b71abb3439a7bcfdf5c6b6.jpg?v=1791341214 Ethyl 2-amino-4-chloropyrimidine-5-carboxylate, 97% | 1240597-30-1 Ethyl 2-amino-4-chloropyrimidine-5-carboxylate|CS-0045814|1240597-30-1 https://www.jk-sci.com/products/s57c4x-168323 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283e31a0cdfb20c875a68006166a68ab.jpg?v=1791375511 Losartan Impurity 23, 74.30% | 193140-43-1 Losartan Impurity 23|C4X-168323|193140-43-1 https://www.jk-sci.com/products/s57c4x-16871 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/886f55293eaaa8f50b42a7cea66bac1f_7995f670-f76e-40b8-9f0f-cc9535fda304.jpg?v=1791375482 Mebeverine Impurity 1, 99.70% | 93-07-2 Mebeverine Impurity 1|C4X-16871|93-07-2 https://www.jk-sci.com/products/s57c4x-168350 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_06af546a-9d54-4ffd-a0a8-9d29d17d17cf.png?v=1791375500 Losartan Impurity 50, 89.10% Losartan Impurity 50|C4X-168350 https://www.jk-sci.com/products/s57c4x-16839 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60bb6bbe2fb4624c4e7426602e90aaba.jpg?v=1791375492 Losartan EP Impurity I, 94.00% | 1006062-28-7 Losartan EP Impurity I|C4X-16839|1006062-28-7 https://www.jk-sci.com/products/s57c4x-168333 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8e9dd42f-bce5-4b93-97ad-40434442fd13.png?v=1791375500 Losartan Impurity 33, 97.30% Losartan Impurity 33|C4X-168333 https://www.jk-sci.com/products/ts246cs-0046142 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c19ffde192ac173f9cd985cc12686ba4.jpg?v=1791341086 Cl-C6-PEG4-O-CH2COOH, 98% | 1799506-30-1 Cl-C6-PEG4-O-CH2COOH|CS-0046142|1799506-30-1 https://www.jk-sci.com/products/j5305340 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3f648101aaaefaa56aa38b7c4f7e549.jpg?v=1791417603 Fmoc-2-aminobutyric acid 4-alkoxybenzyl alcohol resin, Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.3 - 1.0 mmol/g Fmoc-2-aminobutyric acid 4-alkoxybenzyl alcohol resin|05340 https://www.jk-sci.com/products/ts246cs-0045846 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/637a46c6dfb74ab2359519ba738b81d0.jpg?v=1791341208 Methyl 5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate, 97% | 6311-73-5 Methyl 5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate|CS-0045846|6311-73-5 https://www.jk-sci.com/products/ts246cs-0045965 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3379d1746b096dedb67aa94e0ac53f54.jpg?v=1791341128 N2,N2-Dimethyl-5-nitropyrimidine-2,4-diamine, 99.63%+ | 5096-84-4 N2,N2-Dimethyl-5-nitropyrimidine-2,4-diamine|CS-0045965|5096-84-4 https://www.jk-sci.com/products/ts246cs-0046186 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7dd0f41d0cdff258e49eea5d3f91b17.jpg?v=1791341069 (R)-1-(tert-Butoxycarbonyl)-4-oxopiperidine-2-carboxylic acid, 96% | 1212176-33-4 (R)-1-(tert-Butoxycarbonyl)-4-oxopiperidine-2-carboxylic acid|CS-0046186|1212176-33-4 https://www.jk-sci.com/products/s57c4x-16842 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423562.png?v=1791375488 Lovastatin EP Impurity B, 95.90% | 75225-50-2 Lovastatin EP Impurity B|C4X-16842|75225-50-2 https://www.jk-sci.com/products/ts246cs-0046028 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263695_64065199-230c-437d-a636-f5690c60cd7e.png?v=1791341117 4-Chloro-1,3-dioxolan-2-one, 85% | 3967-54-2 4-Chloro-1,3-dioxolan-2-one|CS-0046028|3967-54-2 https://www.jk-sci.com/products/j5305417 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382ea79bc172d3e568d3526b52883c4b.jpg?v=1791417531 Na-Acetyl-Nw-(2,2,5,7,8,-pentamethylchroman-6-sulfonyl)-L-arginine, Purity by HPLC ≥ 97% | 163277-77-8 Na-Acetyl-Nw-(2,2,5,7,8,-pentamethylchroman-6-sulfonyl)-L-arginine|05417|163277-77-8 https://www.jk-sci.com/products/s57c4x-16905 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9da956924abc4512e58d7cdf0ad24787.jpg?v=1791375475 Meloxicam EP Impurity C, 99.50% | 1262333-25-4 Meloxicam EP Impurity C|C4X-16905|1262333-25-4 https://www.jk-sci.com/products/ts246cs-0045873 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5c390f742434cafeb15a6858b9db821.jpg?v=1791341182 5-Iodo-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine, 99.44%+ | 862729-13-3 5-Iodo-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine|CS-0045873|862729-13-3 https://www.jk-sci.com/products/s57c4x-169012 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47aa37b99ee2e1c95fc794431d2d14aa.jpg?v=1791375480 Meloxicam Impurity 12, Purity: 99.5% | 5510-10-1 Meloxicam Impurity 12|C4X-169012|5510-10-1 https://www.jk-sci.com/products/j5305349 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aecbde0b649adce29602b9187ca14ea0.jpg?v=1791417594 Fmoc-D-threonine, Purity by HPLC ≥ 97% | 118609-38-4 Fmoc-D-threonine|05349|118609-38-4 https://www.jk-sci.com/products/s57c4x-168325 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_383360da-c2ab-4eed-be09-7576c48a6007.png?v=1791375504 Losartan Impurity 25, 93.80% Losartan Impurity 25|C4X-168325 https://www.jk-sci.com/products/j5305363 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fe55d5111181b5698e8ee7e3d4d573a.jpg?v=1791417585 Na-Acetyl-L-Histidine·H2O, Assay by titration ≥ 91% | 39145-52-3 Na-Acetyl-L-Histidine·H2O|05363|39145-52-3 https://www.jk-sci.com/products/j5305411 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52a39abf555d9c33d670e9703cbd8869.jpg?v=1791417537 2,6-Diaminopimelic acid, Assay by titration 96.5 - 103.5% || Purity ≥ 97% | 583-93-7 2,6-Diaminopimelic acid|05411|583-93-7 https://www.jk-sci.com/products/s57c4x-16836 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4f4c25ddf58f89c3308c26a47639b42.jpg?v=1791375493 Losartan Isopropyl Ether, 97.20% | 1332713-64-0 Losartan Isopropyl Ether|C4X-16836|1332713-64-0 https://www.jk-sci.com/products/ts246cs-0045942 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/793113.png?v=1791341133 (Tetrahydro-2H-pyran-4-yl)methyl 4-methylbenzenesulfonate, 98% | 101691-65-0 (Tetrahydro-2H-pyran-4-yl)methyl 4-methylbenzenesulfonate|CS-0045942|101691-65-0 https://www.jk-sci.com/products/ts246cs-0045913 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff1bef14326eca664100425544dd83a5.jpg?v=1791341159 5-Nitropyridine-2,4-diamine, 97% | 2586-99-4 5-Nitropyridine-2,4-diamine|CS-0045913|2586-99-4 https://www.jk-sci.com/products/ts246cs-0045932 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be77e3022807ee9a9d9300f8e3361c96.jpg?v=1791341145 5-Bromo-4-methyl-2-(methylthio)pyrimidine, 96% | 1294446-69-7 5-Bromo-4-methyl-2-(methylthio)pyrimidine|CS-0045932|1294446-69-7 https://www.jk-sci.com/products/j5305390 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93ec455f628721c1734f3009c7ad9ce4.jpg?v=1791417555 Boc-S-methyl-L-penicillamine dicyclohexylammonium salt, Purity ≥ 99% (NMR) | 112898-23-4 Boc-S-methyl-L-penicillamine dicyclohexylammonium salt|05390|112898-23-4 https://www.jk-sci.com/products/ts246cs-0046195 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acff1665b5dfb1ca39bbf2320d042ce9.jpg?v=1791341059 H-D-Cys(Trt)-OH, 98% | 25840-82-8 H-D-Cys(Trt)-OH|CS-0046195|25840-82-8 https://www.jk-sci.com/products/s57c4x-16909 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78043de502621b765b16840c2f99fd98.jpg?v=1791375469 Meloxicam Impurity 9, 97.30% | 13165-80-5 Meloxicam Impurity 9|C4X-16909|13165-80-5 https://www.jk-sci.com/products/s57c4x-16907 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134485.png?v=1791375471 Meloxicam Impurity 7, 90.30% | 632-25-7 Meloxicam Impurity 7|C4X-16907|632-25-7 https://www.jk-sci.com/products/j5305451 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4e3f0b5e32d0370002fbc687cbee00e.jpg?v=1791417520 Boc-L-allo-isoleucine, Purity by HPLC ≥ 99% | 35264-07-4 Boc-L-allo-isoleucine|05451|35264-07-4 https://www.jk-sci.com/products/ts246cs-0046206 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca3bd149b197bd747b870941919e61a6.jpg?v=1791341053 3-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, 97% | 1206641-26-0 3-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine|CS-0046206|1206641-26-0 https://www.jk-sci.com/products/s57c4x-16921 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35ac30513522012f3292238e5ac27c7d.jpg?v=1791375465 Mesna EP Impurity B, 99.50% | 1391053-66-9 Mesna EP Impurity B|C4X-16921|1391053-66-9 https://www.jk-sci.com/products/ts246cs-0045798 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566dc71bcafdf9e11d788fbac554b4ff.jpg?v=1791341225 2,5-Diaminopyrimidin-4(3H)-one, 97% | 77994-12-8 2,5-Diaminopyrimidin-4(3H)-one|CS-0045798|77994-12-8 https://www.jk-sci.com/products/ts246cs-0046235 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317954.png?v=1791341022 4-(Methylsulfonyl)benzyl Alcohol, 0.00%+ | 22821-77-8 4-(Methylsulfonyl)benzyl Alcohol|CS-0046235|22821-77-8 https://www.jk-sci.com/products/ts246cs-0046259 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcd0b4f45980a2dbee526199402c5a9c.jpg?v=1791340996 Methyl 5-chlorothiazole-4-carboxylate, 98% | 1784463-68-8 Methyl 5-chlorothiazole-4-carboxylate|CS-0046259|1784463-68-8 https://www.jk-sci.com/products/ts246cs-0046211 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41d972597b225a6670e71d607a4d7df.jpg?v=1791341049 1-Methyl-1H-indazole-6-carboxylic acid, 98% | 1031417-77-2 1-Methyl-1H-indazole-6-carboxylic acid|CS-0046211|1031417-77-2 https://www.jk-sci.com/products/s57c4x-16925 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385575.png?v=1791375462 Mesna EP Impurity A, 99.00% | 25985-57-3 Mesna EP Impurity A|C4X-16925|25985-57-3 https://www.jk-sci.com/products/ts246cs-0046275 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223832.png?v=1791340985 4-Amino-3-nitrobenzenesulfonamide, 98% | 2360-19-2 4-Amino-3-nitrobenzenesulfonamide|CS-0046275|2360-19-2 https://www.jk-sci.com/products/s57c4x-16943 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504048.png?v=1791375460 Prednisone EP Impurity K, 99.40% | 7738-93-4 Prednisone EP Impurity K|C4X-16943|7738-93-4 https://www.jk-sci.com/products/ts246cs-0045852 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127055.png?v=1791341202 4-Amino-2-(methylthio)pyrimidine-5-carbonitrile, 98% | 770-30-9 4-Amino-2-(methylthio)pyrimidine-5-carbonitrile|CS-0045852|770-30-9 https://www.jk-sci.com/products/ts246cs-0045943 2026-10-08T05:11:49-07:00 daily https://www.jk-sci.com/products/ts246cs-0045918 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2034067c8af8712490f31787b8c93a17.jpg?v=1791341153 Ethyl 2,4-dimethylpyrimidine-5-carboxylate, 97% | 2226-86-0 Ethyl 2,4-dimethylpyrimidine-5-carboxylate|CS-0045918|2226-86-0 https://www.jk-sci.com/products/j5305455 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2021d3f07a7457118a4f388f3c7bc5f9.jpg?v=1791417512 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sufonyl)-L-arginine, Chiral HPLC ≥ 99.5% || Purity by HPLC ≥ 98% | 200124-22-7 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sufonyl)-L-arginine|05455|200124-22-7 https://www.jk-sci.com/products/j5305466 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffef485a859795317bf58cbc6721cab1.jpg?v=1791417502 Boc-S-ethyl-L-cysteine, Purity by HPLC ≥ 98% | 16947-82-3 Boc-S-ethyl-L-cysteine|05466|16947-82-3 https://www.jk-sci.com/products/j5305475 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe520d0184ac9ef43694f0fa72b21230.jpg?v=1791417489 Na-Boc-Ng-xanthyl-D-asparagine, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 200192-48-9 Na-Boc-Ng-xanthyl-D-asparagine|05475|200192-48-9 https://www.jk-sci.com/products/ts246cs-0046053 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521540.png?v=1791341110 (S)-2-((Tert-butoxycarbonyl)amino)-3-(dimethylamino)propanoic acid, 97% | 94778-71-9 (S)-2-((Tert-butoxycarbonyl)amino)-3-(dimethylamino)propanoic acid|CS-0046053|94778-71-9 https://www.jk-sci.com/products/ts246cs-0046192 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/426134.png?v=1791341064 5-Amino-2-nitrobenzoic acid, 95% | 13280-60-9 5-Amino-2-nitrobenzoic acid|CS-0046192|13280-60-9 https://www.jk-sci.com/products/j5305484 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72668268dde83345aa736d63948057e6.jpg?v=1791417473 Boc-S-trityl-D-cysteine, Purity by HPLC ≥ 99% | 87494-13-1 Boc-S-trityl-D-cysteine|05484|87494-13-1 https://www.jk-sci.com/products/ts246cs-0046233 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/724d1480a4ca979b3a153b9c9c858329.jpg?v=1791341022 2-Pyridone-6-carboxaldehyde, 98% | 358751-77-6 2-Pyridone-6-carboxaldehyde|CS-0046233|358751-77-6 https://www.jk-sci.com/products/j5305480 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a0d77a1d8059099472efa3c42288a5.jpg?v=1791417480 Boc-D-aspartic acid a-tert-butyl ester, Purity by HPLC ≥ 99% | 77004-75-2 Boc-D-aspartic acid a-tert-butyl ester|05480|77004-75-2 https://www.jk-sci.com/products/j5305486 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1f70e72643c6b925708e2ec4d9f2626.jpg?v=1791417469 Boc-D-glutamic acid g-cyclohexyl ester, Purity by HPLC ≥ 98% | 133464-27-4 Boc-D-glutamic acid g-cyclohexyl ester|05486|133464-27-4 https://www.jk-sci.com/products/j5305500 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36271eba541eb3ab09edcd4c3be441fa.jpg?v=1791417448 Boc-D-isoleucine, Purity by HPLC ≥ 99% | 55721-65-8 Boc-D-isoleucine|05500|55721-65-8 https://www.jk-sci.com/products/ts246cs-0046274 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6954046f9ea6000a304439311aad4bc1.jpg?v=1791340985 2-Nitro-4-(trifluoromethoxy)benzoic acid, 96% | 142494-70-0 2-Nitro-4-(trifluoromethoxy)benzoic acid|CS-0046274|142494-70-0 https://www.jk-sci.com/products/j5305519 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/088b7c028823d7c55a7eb691c2d6828c.jpg?v=1791417416 Boc-O-tert-butyl-D-serine dicyclohexylammonium salt, Purity by HPLC ≥ 98% | 248921-67-7 Boc-O-tert-butyl-D-serine dicyclohexylammonium salt|05519|248921-67-7 https://www.jk-sci.com/products/j5305601 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7720d8e795ff5fe8b0002d128a29ce94.jpg?v=1791417329 Boc-L-serine tert-butyl ester, Assay ≥ 97% | 7738-22-9 Boc-L-serine tert-butyl ester|05601|7738-22-9 https://www.jk-sci.com/products/j5305543 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ab6339462ce0bfe7a098ecb1cf5bf36.jpg?v=1791417393 Boc-Nw-(nitro)-L-homoarginine, Purity by HPLC ≥ 98% | 28968-64-1 Boc-Nw-(nitro)-L-homoarginine|05543|28968-64-1 https://www.jk-sci.com/products/j5305511 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0134f9ea7a935ff3ec76e3db95c0f3eb.jpg?v=1791417427 Na-Boc-Nd-Fmoc-D-ornithine, Purity by HPLC ≥ 99% | 163336-15-0 Na-Boc-Nd-Fmoc-D-ornithine|05511|163336-15-0 https://www.jk-sci.com/products/ts246cs-0046535 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7aea2ea719881d1855e591ad4c446d6.jpg?v=1791340560 4H-Benzo[d][1,3]oxazin-4-one, 90% | 19555-60-3 4H-Benzo[d][1,3]oxazin-4-one|CS-0046535|19555-60-3 https://www.jk-sci.com/products/ts246cs-0046426 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c26c76762e032add2a8c3913bb81824.jpg?v=1787869529 3-Methoxy-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | 1911653-28-5 3-Methoxy-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole|CS-0046426|1911653-28-5 https://www.jk-sci.com/products/ts246cs-0046329 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ba0645fdd90c3884bcb9016abdf1a5e.jpg?v=1791340902 5-Bromo-1H-indazol-7-amine, 97% | 316810-86-3 5-Bromo-1H-indazol-7-amine|CS-0046329|316810-86-3 https://www.jk-sci.com/products/j5305522 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b60cc7a19e5a221b979069a97c846eb.jpg?v=1791417415 Boc-DL-glutamic acid g-benzyl ester, Purity by HPLC ≥ 99% | 117997-81-6 Boc-DL-glutamic acid g-benzyl ester|05522|117997-81-6 https://www.jk-sci.com/products/s57c4x-1695 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04b23d2e6df1da8490e59e80b5bea19d.jpg?v=1791375456 Micafungin Sodium, 91.00% | 208538-73-2 Micafungin Sodium|C4X-1695|208538-73-2 https://www.jk-sci.com/products/s57c4x-16961 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4c15894760753bda4f492da8697941a.jpg?v=1791375450 LCZ-696 Impurity 2 HCl, 98.30% | 1038924-71-8 LCZ-696 Impurity 2 HCl|C4X-16961|1038924-71-8 https://www.jk-sci.com/products/j5305566 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be77662c2676635fdd9cf2d5c8bea21.jpg?v=1791417367 Na-Boc-Na-Methyl-D-phenylalanine, Chiral HPLC ≥ 98% (ee) || Purity by HPLC ≥ 98% | 85466-66-6 Na-Boc-Na-Methyl-D-phenylalanine|05566|85466-66-6 https://www.jk-sci.com/products/j5305532 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ae9ec0d30337f0bdae6e185d972cdc9.jpg?v=1791417404 Boc-L-glutamic acid g-methyl ester dicyclohexylammonium salt, Purity by HPLC ≥ 98% | 14406-17-8 Boc-L-glutamic acid g-methyl ester dicyclohexylammonium salt|05532|14406-17-8 https://www.jk-sci.com/products/j5305595 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29bd1b0dbbef42bb9a53c676855771a6.jpg?v=1791417338 Boc-Pro-Pro-OH, Purity by HPLC ≥ 99% | 15401-08-8 Boc-Pro-Pro-OH|05595|15401-08-8 https://www.jk-sci.com/products/j5305578 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ada80dbc76c396de9aeaa1c62dc403f.jpg?v=1791417353 Boc-N-methyl-L-tyrosine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 95105-25-2 Boc-N-methyl-L-tyrosine dicyclohexylammonium salt|05578|95105-25-2 https://www.jk-sci.com/products/s57c4x-169616 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cab41e78d6a3c8bc0b0c1bd914747395.jpg?v=1791375444 LCZ-696 Impurity 16, 99.00% | 1639970-62-9 LCZ-696 Impurity 16|C4X-169616|1639970-62-9 https://www.jk-sci.com/products/j5305570 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afe81f4789f8ed65d841174aac0744c2.jpg?v=1791417362 Na-Boc-Na-methyl-Ne-Z-L-lysine dicyclohexylammonium salt, Assay ≥ 99% (Elemental analysis based on Nitrogen content) || Purity ≥ 99% | 201002-18-8 Na-Boc-Na-methyl-Ne-Z-L-lysine dicyclohexylammonium salt|05570|201002-18-8 https://www.jk-sci.com/products/ts246cs-0046661 2026-10-08T05:11:49-07:00 daily https://www.jk-sci.com/products/j5305585 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13b5ce0d62113dea35339013a550939.jpg?v=1791417347 Boc-4-iodo-DL-phenylalanine, Purity by HPLC ≥ 99% | 103882-09-3 Boc-4-iodo-DL-phenylalanine|05585|103882-09-3 https://www.jk-sci.com/products/s57c4x-169618 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46758333d9893440fa6965f989164768.jpg?v=1791375438 LCZ-696 Impurity 18(S,R), 98.20% | 1012341-54-6 LCZ-696 Impurity 18(S,R)|C4X-169618|1012341-54-6 https://www.jk-sci.com/products/j5305581 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c08f00547d18f720efbf11ad96199a6.jpg?v=1791417352 Boc-4-azido-L-phenylalanine, Purity by HPLC ≥ 98% | 33173-55-6 Boc-4-azido-L-phenylalanine|05581|33173-55-6 https://www.jk-sci.com/products/s57c4x-16962 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/422171f9c5bef216991a34853776015d.jpg?v=1791375438 LCZ-696 Impurity 3, 99.80% | 149709-62-6 LCZ-696 Impurity 3|C4X-16962|149709-62-6 https://www.jk-sci.com/products/s57c4x-169620 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c53a9650-4d7f-4bd1-9d70-66b861733b57.png?v=1791375433 LCZ-696 Impurity 20, 92.20% LCZ-696 Impurity 20|C4X-169620 https://www.jk-sci.com/products/j5305609 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65991b146e82bd6701b795d39cb18e38.jpg?v=1791417320 Boc-b-tert-butyl-L-alanine, Purity by HPLC ≥ 98% | 79777-82-5 Boc-b-tert-butyl-L-alanine|05609|79777-82-5 https://www.jk-sci.com/products/s57c4x-169627 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f53478d-b0d0-4063-9b6d-ad2fad0f9fc7.png?v=1791375432 LCZ-696 Impurity 27, 96.00% LCZ-696 Impurity 27|C4X-169627 https://www.jk-sci.com/products/j5305622 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7a29fe76079dc5489c8fb67d1d0b386.jpg?v=1791417308 Benzoyl-L-aspartic acid a- methyl ester, Purity ≥ 99% | 82933-21-9 Benzoyl-L-aspartic acid a- methyl ester|05622|82933-21-9 https://www.jk-sci.com/products/ts246cs-0046683 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22a743eb4d9b35bf8b12b16106867418.jpg?v=1791340198 1-(4-Amino-3-methoxyphenyl)-N,N-dimethylpiperidin-4-amine, 98% | 1089279-91-3 1-(4-Amino-3-methoxyphenyl)-N,N-dimethylpiperidin-4-amine|CS-0046683|1089279-91-3 https://www.jk-sci.com/products/j5305637 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/910af432e3ae4034819799fcdc785876.jpg?v=1791417291 Benzyl glycine hydrochloride, Assay by titration ≥ 99% (AgNO3) || Purity by HPLC ≥ 99% | 7689-50-1 Benzyl glycine hydrochloride|05637|7689-50-1 https://www.jk-sci.com/products/ts246cs-0046768 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521868_b5dba70a-87ba-478e-8484-b9475f8b0d00.png?v=1791340175 N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-((5-(dimethylamino)naphthalen-1-yl)sulfonyl)-L-lysine, 96% | 118584-90-0 N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-((5-(dimethylamino)naphthalen-1-yl)sulfonyl)-L-lysine|CS-0046768|118584-90-0 https://www.jk-sci.com/products/s57c4x-169657 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f41490b28a44db01e88eb1fa43ebf15b_3773590e-d698-4adb-b80f-5dee35873aa0.jpg?v=1791375406 LCZ-696 Impurity 57, Purity: 96.6% | 149709-58-0 LCZ-696 Impurity 57|C4X-169657|149709-58-0 https://www.jk-sci.com/products/ts246cs-0046808 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4af7decc70aa6e3be926aa4d578ca46.jpg?v=1791340158 3-(Aminomethyl)-4,6-dimethyl-1,2-dihydropyridin-2-one hydrochloride, 98% | 1173081-96-3 3-(Aminomethyl)-4,6-dimethyl-1,2-dihydropyridin-2-one hydrochloride|CS-0046808|1173081-96-3 https://www.jk-sci.com/products/s57c4x-169634 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70e18930-d36b-40c8-9ed3-b6caa66f3cf8.png?v=1791375421 LCZ-696 Impurity 34, 99.10% LCZ-696 Impurity 34|C4X-169634 https://www.jk-sci.com/products/s57c4x-16963 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1aaa43c0238329c713b4e562ef51f5c.jpg?v=1791375421 LCZ-696 Impurity 4, 99.00% | 1038924-97-8 LCZ-696 Impurity 4|C4X-16963|1038924-97-8 https://www.jk-sci.com/products/ts246cs-0046824 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c997db9d3429c68249825964f0f5dbde.jpg?v=1791340140 6-Bromoquinoline-8-carboxylic acid, 98% | 64507-38-6 6-Bromoquinoline-8-carboxylic acid|CS-0046824|64507-38-6 https://www.jk-sci.com/products/s57c4x-16964 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e64d305b2686b66a074ce4b08723c6d_8bb3d824-e0fa-4e99-857e-8b74c8a49293.jpg?v=1791375418 LCZ-696 Impurity 5, 91.00% | 1038924-70-7 LCZ-696 Impurity 5|C4X-16964|1038924-70-7 https://www.jk-sci.com/products/ts246cs-0046839 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313545.png?v=1791340133 7-Oxooctanoic acid, 98% | 14112-98-2 7-Oxooctanoic acid|CS-0046839|14112-98-2 https://www.jk-sci.com/products/j5305643 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a6525de2c2c5ecd973e74569908beb8.jpg?v=1791417285 Benzyl-O-benzyl-serine, Purity ≥ 98% (NMR) | 201209-83-8 Benzyl-O-benzyl-serine|05643|201209-83-8 https://www.jk-sci.com/products/s57c4x-169642 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a4d4c588-ba47-4358-adc7-7f9de248c50f.png?v=1791375409 LCZ-696 Impurity 42, 99.30% LCZ-696 Impurity 42|C4X-169642 https://www.jk-sci.com/products/s57c4x-169650 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0817753dbadcefe4685da682680f5501.jpg?v=1791375408 LCZ-696 Impurity 50, 100.00% | 149709-60-4 LCZ-696 Impurity 50|C4X-169650|149709-60-4 https://www.jk-sci.com/products/ts246cs-0046872 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411845.png?v=1791340122 6-Fluoroquinolin-2(1H)-one, 97% | 22614-75-1 6-Fluoroquinolin-2(1H)-one|CS-0046872|22614-75-1 https://www.jk-sci.com/products/s57c4x-16966 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9197f74d-5141-4050-a478-6028184fe87f.png?v=1791375399 LCZ-696 Impurity 7 calcium salt, 92.50% LCZ-696 Impurity 7 calcium salt|C4X-16966 https://www.jk-sci.com/products/j5305688 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc35cfa351853730718520a9d214d557.jpg?v=1791417244 Fmoc-D-aspartic acid b-2-phenylisopropyl ester, Assay by titration ≥ 99% (TBAH) || Chiral HPLC ≥ 99.8% (ee) || Purity by HPLC ≥ | 214852-39-8 Fmoc-D-aspartic acid b-2-phenylisopropyl ester|05688|214852-39-8 https://www.jk-sci.com/products/s57c4x-169664 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31672eb152e974d507f3316021ea12c2.jpg?v=1791375399 LCZ-696 Impurity 64, 99.30% | 2751722-77-5 LCZ-696 Impurity 64|C4X-169664|2751722-77-5 https://www.jk-sci.com/products/j5305676 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80ff6f235e97d9c3213858519a2de811.jpg?v=1791417257 Fmoc-L-aspartic acid b-2-phenylisopropyl ester, Assay ≥ 93.5% || Purity by HPLC ≥ 97% | 200336-86-3 Fmoc-L-aspartic acid b-2-phenylisopropyl ester|05676|200336-86-3 https://www.jk-sci.com/products/ts246cs-0046900 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4767794cb893f31073e5468de61bfacb.jpg?v=1791340112 Diethyl 2,2'-oxydiacetate, 99.89%+ | 6634-17-9 Diethyl 2,2'-oxydiacetate|CS-0046900|6634-17-9 https://www.jk-sci.com/products/j5302706 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15fee74f354895a9ba232d328a5b2ca5.jpg?v=1791420345 Boc-S-benzyl-L-homocysteine | 16947-99-2 Boc-S-benzyl-L-homocysteine|02706|16947-99-2 https://www.jk-sci.com/products/ts246cs-0046965 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca23d657ff81db2d951b95fe6d59695e.jpg?v=1791340044 3-Chloro-5-iodopyridin-2-amine, 98% | 952901-62-1 3-Chloro-5-iodopyridin-2-amine|CS-0046965|952901-62-1 https://www.jk-sci.com/products/ts246cs-0046943 2026-10-08T05:11:49-07:00 daily https://www.jk-sci.com/products/ts246cs-0046975 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e89e80af9a9f0835ebc8c14d3f1c862.jpg?v=1791340032 3-Bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid, 98% | 500011-86-9 3-Bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid|CS-0046975|500011-86-9 https://www.jk-sci.com/products/ts246cs-0047004 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15fe89f1a4d9dd3555d93f1c8f532e58.jpg?v=1791340005 Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate, 95% | 67625-36-9 Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate|CS-0047004|67625-36-9 https://www.jk-sci.com/products/ts246cs-0046980 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566398.png?v=1791340027 3-Phenoxypropan-1-amine, 95% | 7617-76-7 3-Phenoxypropan-1-amine|CS-0046980|7617-76-7 https://www.jk-sci.com/products/j5304015 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46e717cafc33657802a1be8b9406eaf0.jpg?v=1791418866 Boc-L-phenylglycine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 201152-47-8 Boc-L-phenylglycine N-hydroxysuccinimide ester|04015|201152-47-8 https://www.jk-sci.com/products/ts246cs-0047006 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792be85f1540f37405f940d84acb52be.jpg?v=1791340004 rel-(3aR,6aS)-Octahydrocyclopenta[c]pyrrole hydrochloride, 97.00%+ | 926276-10-0 rel-(3aR,6aS)-Octahydrocyclopenta[c]pyrrole hydrochloride|CS-0047006|926276-10-0 https://www.jk-sci.com/products/j5304332 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c360a3554d1c5e8774ee503995252d.jpg?v=1791418463 Acetyl-L-alanine methyl amide | 19701-83-8 Acetyl-L-alanine methyl amide|04332|19701-83-8 https://www.jk-sci.com/products/j5304569 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6b70cb277231d7c26a18823af5b402a.jpg?v=1791418236 Gly-Trp-OH, Purity by HPLC ≥ 98% | 2390-74-1 Gly-Trp-OH|04569|2390-74-1 https://www.jk-sci.com/products/ts246cs-0047016 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9d1e27a66b270dc731d68fb996feffa.jpg?v=1791339999 4-(4-Hydroxypiperidin-1-yl)benzonitrile, 98.00%+ | 79421-43-5 4-(4-Hydroxypiperidin-1-yl)benzonitrile|CS-0047016|79421-43-5 https://www.jk-sci.com/products/s57c4x-169692 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a5e83fc-c74f-422b-9363-c7b346bd4ab1.png?v=1791375381 LCZ-696 Impurity 92, 99.00% LCZ-696 Impurity 92|C4X-169692 https://www.jk-sci.com/products/s57c4x-16967 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76d625084612a37ca23608e607875245.jpg?v=1791375391 LCZ-696 Impurity 8 calcium salt, 97.60% | 761373-05-1 LCZ-696 Impurity 8 calcium salt|C4X-16967|761373-05-1 https://www.jk-sci.com/products/ts246cs-0047053 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de4ddd59d18ee8c3435271d551b34bf1.jpg?v=1791339973 Ethyl (E)-3-morpholinoacrylate, 95% | 81239-01-2 Ethyl (E)-3-morpholinoacrylate|CS-0047053|81239-01-2 https://www.jk-sci.com/products/s57c4x-16968 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2ded2fab-cb54-4bf4-abe1-42a4ec300177.png?v=1791375386 LCZ-696 Impurity 9 calcium salt, 92.80% LCZ-696 Impurity 9 calcium salt|C4X-16968 https://www.jk-sci.com/products/s57c4x-169683 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b5935c6-37de-422f-81ab-5e2f32e3f010.png?v=1791375385 Sacubitril-Valsartan Trisodium Salt 2.5hydrate, 98.60% | 936623-90-4 Sacubitril-Valsartan Trisodium Salt 2.5hydrate|C4X-169683|936623-90-4 https://www.jk-sci.com/products/ts246cs-0047050 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa2eccc2be8c9e5de03b67488c1fea65.jpg?v=1791339978 1'-(tert-Butoxycarbonyl)-[1,4'-bipiperidine]-4-carboxylic acid, 95% | 201810-59-5 1'-(tert-Butoxycarbonyl)-[1,4'-bipiperidine]-4-carboxylic acid|CS-0047050|201810-59-5 https://www.jk-sci.com/products/j5304813 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1e7fd25a4d6c0fac94ba8b38edb0f0_b0717cbc-feea-4440-b75a-091db3512fe8.jpg?v=1791418113 Triphenylphosphine resin (1.0 - 1.5 meq/g, 100 - 200 mesh), Mesh Size 100 - 200 mesh || Substitution (meq/g) 1.0 - 1.5 meq/g | 39319-11-4 Triphenylphosphine resin (1.0 - 1.5 meq/g, 100 - 200 mesh)|04813|39319-11-4 https://www.jk-sci.com/products/j5304954 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52bc3670b7a2b9fa3cdd84253bd67acf.jpg?v=1791418003 Boc-(3S,4S)-4-amino-3-hydroxy-5-(4-benzyloxyphenyl)pentanoic acid, Purity by HPLC ≥ 99% | 204195-38-0 Boc-(3S,4S)-4-amino-3-hydroxy-5-(4-benzyloxyphenyl)pentanoic acid|04954|204195-38-0 https://www.jk-sci.com/products/ts246cs-0045770 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33be41794eb752211be53d20a4f74477.jpg?v=1791341246 2-Amino-5-fluoropyrimidin-4(3H)-one, 95% | 1683-86-9 2-Amino-5-fluoropyrimidin-4(3H)-one|CS-0045770|1683-86-9 https://www.jk-sci.com/products/ts246cs-0047096 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78e8c58948a2b8de833b0e6b0f486f19.jpg?v=1791339956 Ethyl 3,5-dibromo-1-methyl-1H-pyrazole-4-carboxylate, 95% | 1017802-88-8 Ethyl 3,5-dibromo-1-methyl-1H-pyrazole-4-carboxylate|CS-0047096|1017802-88-8 https://www.jk-sci.com/products/ts246cs-0047200 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e85074dbb15c416ae2d820c06c6897.jpg?v=1791339919 tert-Butyl 5-bromo-2-methylbenzoate, 95% | 1202551-75-4 tert-Butyl 5-bromo-2-methylbenzoate|CS-0047200|1202551-75-4 https://www.jk-sci.com/products/s57c4x-16974 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ade7034374071f6300b97be1fd0b0692.jpg?v=1791375375 Galacto Miglitol, 77.10% | 132310-34-0 Galacto Miglitol|C4X-16974|132310-34-0 https://www.jk-sci.com/products/j5304993 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f42b0a120b63c9f46cdd9f59255e3b35.jpg?v=1791417949 Na-Boc-Nd-allyloxycarbonyl-L-ornithine, Assay by titration ≥ 99% || Purity by HPLC ≥ 97% | 171820-74-9 Na-Boc-Nd-allyloxycarbonyl-L-ornithine|04993|171820-74-9 https://www.jk-sci.com/products/j5305047 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a942445bc35b57956cf7e33721b770f9.jpg?v=1791417872 Fmoc-5-aminomethyl-2,3-O-isopropylidene-a-L-xylo-3-hexolofuranosonic aicd, Purity by HPLC ≥ 97% | 959572-93-1 Fmoc-5-aminomethyl-2,3-O-isopropylidene-a-L-xylo-3-hexolofuranosonic aicd|05047|959572-93-1 https://www.jk-sci.com/products/s57c4x-16986 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9903801bfcdebe75a2d9975b8b5026f7.jpg?v=1791375370 Milbemycin A3 Oxime, 98.70% | 114177-14-9 Milbemycin A3 Oxime|C4X-16986|114177-14-9 https://www.jk-sci.com/products/ts246cs-0047079 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d7a67c4c873ab34e8c497723dfaf09.jpg?v=1791339962 2,6-Dichloro-N-methoxy-N-methylisonicotinamide, 97% | 848498-98-6 2,6-Dichloro-N-methoxy-N-methylisonicotinamide|CS-0047079|848498-98-6 https://www.jk-sci.com/products/j5305079 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42829ac6164a60e8e29806b6f4f3e758.jpg?v=1791417839 Boc-glycine N,O-dimethylhydroxamide, Purity by HPLC ≥ 99% | 121505-93-9 Boc-glycine N,O-dimethylhydroxamide|05079|121505-93-9 https://www.jk-sci.com/products/s57c4x-16991 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791768.png?v=1791375371 Minocycline EP Impurity A, 90.50% | 43168-51-0 Minocycline EP Impurity A|C4X-16991|43168-51-0 https://www.jk-sci.com/products/s57c4x-169912 2026-10-08T05:11:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35c9136939add15e0284f5b01da14d78.jpg?v=1791375357 Minocycline EP Impurity G, 93.20% | 601455-95-2 Minocycline EP Impurity G|C4X-169912|601455-95-2