https://www.jk-sci.com/products/s57c3d-2831 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414760_31a42d26-0d3d-4c1b-b1cc-656fbf3b59c3.png?v=1791727585 Fmoc-D-Ala-OH, 96.20% | 79990-15-1 Fmoc-D-Ala-OH|C3D-2831|79990-15-1 https://www.jk-sci.com/products/s57c3d-4109 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291651_79fdf163-2dce-43a4-901e-5658af976a2f.png?v=1791727257 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol, 98.70% | 2190-15-0 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol|C3D-4109|2190-15-0 https://www.jk-sci.com/products/s57c3d-4276 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/006cd09b16ed33b431ad7067edb7e48c_2d3f1653-a36a-424e-acdf-cd1377c31af8.jpg?v=1791727204 3-(4-Methoxybenzoyl)propionic Acid, 98.80% | 3153-44-4 3-(4-Methoxybenzoyl)propionic Acid|C3D-4276|3153-44-4 https://www.jk-sci.com/products/s57c3d-6006 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563718.png?v=1791726726 Azetidin-3-ol Hydrochloride Salt, 96.10% | 18621-18-6 Azetidin-3-ol Hydrochloride Salt|C3D-6006|18621-18-6 https://www.jk-sci.com/products/s57c4x-32506 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_250c22f9-fa2b-4f9e-9c58-67f798e49c55.png?v=1791707707 Estetrol Impurity 6, 95.70% Estetrol Impurity 6|C4X-32506 https://www.jk-sci.com/products/s57c4x-100314 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331415989bd47b78fc144eda6ca83034.jpg?v=1791726550 Azithromycin EP Impurity M, 96.30% | 765927-71-7 Azithromycin EP Impurity M|C4X-100314|765927-71-7 https://www.jk-sci.com/products/s57c4x-10061 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51687fe1b2399d89b23d21833035b5db.jpg?v=1791726505 Afatinib Impurity 1, 92.50% | 314771-88-5 Afatinib Impurity 1|C4X-10061|314771-88-5 https://www.jk-sci.com/products/s57c4x-10096 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fc0478f60ab1866c495670220f388ac.jpg?v=1791726354 Apremilast Impurity 6, 90.80% | 1809170-71-5 Apremilast Impurity 6|C4X-10096|1809170-71-5 https://www.jk-sci.com/products/s57c4x-101211 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_61ff9cbc-d081-41cf-8dae-da9cab4cfa92.png?v=1791726295 Baclofen impurity 11, 93.40% Baclofen impurity 11|C4X-101211 https://www.jk-sci.com/products/s57c4x-10183 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bade3140fc7ebb641958876302d951cf.jpg?v=1791726177 Choline fenofibrate EP Impurity D, 99.70% | 42019-07-8 Choline fenofibrate EP Impurity D|C4X-10183|42019-07-8 https://www.jk-sci.com/products/s57c4x-1020239 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5dbfc24-15b6-40d5-a185-1e21051f7660.png?v=1791726080 Vonoprazan Impurity 239 HCI, 90.40% Vonoprazan Impurity 239 HCI|C4X-1020239 https://www.jk-sci.com/products/s57c4x-102243 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff0797080d2257866b144ddbe594723.jpg?v=1791725993 Carfilzomib Impurity 43, 97.80% | 247068-85-5 Carfilzomib Impurity 43|C4X-102243|247068-85-5 https://www.jk-sci.com/products/s57c4x-10561 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229689.png?v=1791725267 Vortioxetine Impurity 1, 93.00% | 92-54-6 Vortioxetine Impurity 1|C4X-10561|92-54-6 https://www.jk-sci.com/products/s57c4x-105661 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19aceb4d-edb0-4cd8-9b8a-0fcf26588666.png?v=1791725222 Vortioxetine Impurity 61, 96.20% Vortioxetine Impurity 61|C4X-105661 https://www.jk-sci.com/products/s57c4x-107745 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139235_fb37a9ec-1bd7-4a6a-8230-dac6bf92790f.png?v=1791724332 Entecavir Impurity 45, Purity: 84.8% | 3587-60-8 Entecavir Impurity 45|C4X-107745|3587-60-8 https://www.jk-sci.com/products/s57c4x-1090175 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09197af5-8a47-4335-986b-86678387a51f.png?v=1791723704 Rivaroxaban impurity 175, 99.50% Rivaroxaban impurity 175|C4X-1090175 https://www.jk-sci.com/products/s57c4x-32733 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/195ca350263384be9cf953695b1fe356.jpg?v=1791707703 Naftidrofuryl EP impurity B, 97.40% | 35997-58-1 Naftidrofuryl EP impurity B|C4X-32733|35997-58-1 https://www.jk-sci.com/products/s57c4x-109110 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238159_84bfe025-7944-42f3-ad3b-1d57e18e99f2.png?v=1791723649 Milrinone Impurity 10, 99.50% | 2345-56-4 Milrinone Impurity 10|C4X-109110|2345-56-4 https://www.jk-sci.com/products/s57c4x-109647 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6990ae92ea7e39d4f3c5fbdaa21403e0.jpg?v=1791723419 Azilsartan Impurity 47, 99.00% | 1604812-35-2 Azilsartan Impurity 47|C4X-109647|1604812-35-2 https://www.jk-sci.com/products/s57c4x-1131118 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f9948d3-0758-453a-9ec0-3545a51fe52e.png?v=1791722284 Brexpiprazole impurity 118, 96.50% Brexpiprazole impurity 118|C4X-1131118 https://www.jk-sci.com/products/s57c4x-113320 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a59956c4439cd918b91ba3bb76d2287f.jpg?v=1791722069 Plerixafor Impurity 20, 99.30% | 6315-52-2 Plerixafor Impurity 20|C4X-113320|6315-52-2 https://www.jk-sci.com/products/s57c4x-1239 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127554_7deeb4f0-7cc2-4241-bdf3-d98d1bd06d3e.png?v=1791720129 Anastrozole, 99.90% | 120511-73-1 Anastrozole|C4X-1239|120511-73-1 https://www.jk-sci.com/products/s57c4x-124712 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0c37f87ced7e38a494ced136ffae9ef.jpg?v=1791719948 Bisoprolol EP Impurity L(Metoprolol EP Impurity C), 93.20% | 29122-74-5 Bisoprolol EP Impurity L(Metoprolol EP Impurity C)|C4X-124712|29122-74-5 https://www.jk-sci.com/products/s57c4x-133149 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/750d7cda356284e2379908b67eb6381a_d3516d3e-1858-4dda-b703-14ffa5cb2cd0.jpg?v=1791719252 Disodium Levononidazole Phosphate, Purity: 99.1% | 1685275-23-3 Disodium Levononidazole Phosphate|C4X-133149|1685275-23-3 https://www.jk-sci.com/products/s57c4x-136621 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56d05aeb85ce96f0fb35cf660ea93135.jpg?v=1791718642 Voriconazole Impurity 3, 95.90% | 188416-28-6 Voriconazole Impurity 3|C4X-136621|188416-28-6 https://www.jk-sci.com/products/s57c4x-138431 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52cb8ae1-a2f3-44c9-89fb-92fde0adb6b4.png?v=1791718359 Rivastigmine impurity 31, 98.70% Rivastigmine impurity 31|C4X-138431 https://www.jk-sci.com/products/s57c4x-151416 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137848_f2499e07-630a-40fd-960f-ac5b8ebd09c7.png?v=1791716315 Oxedrine, 99.90% | 94-07-5 Oxedrine|C4X-151416|94-07-5 https://www.jk-sci.com/products/s57c4x-151931 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ab9a990-af10-4772-b349-901ade4433fb.png?v=1791716219 Propranolol Impurity 31, 96.80% Propranolol Impurity 31|C4X-151931 https://www.jk-sci.com/products/s57c1333241 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5af68345e6b4742bd1cdc4eb35dff49_cf50905d-9f9e-498f-ad5e-0214a9d67195.jpg?v=1791729846 3,5-Dichloro-4-formylbenzoic acid, 87.30% | 153203-80-6 3,5-Dichloro-4-formylbenzoic acid|C1333241|153203-80-6 https://www.jk-sci.com/products/s57c1603478 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2534e1a68d99fdb40cbbee6fb40e1ee4.jpg?v=1791729330 2,6-Di-tert-butyl-4-chlorophenol, Purity: 98.2% | 4096-72-4 2,6-Di-tert-butyl-4-chlorophenol|C1603478|4096-72-4 https://www.jk-sci.com/products/s57c1798558 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/858b1144cc14712cd06551c2222ffd50.jpg?v=1791728852 cis-8,11,14-Eicosatrienoic Acid Ethyl Ester, 97.40% | 55968-21-3 cis-8,11,14-Eicosatrienoic Acid Ethyl Ester|C1798558|55968-21-3 https://www.jk-sci.com/products/s57c1806224 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c2ba5fa81f7ce945e30d2605d2d1d20.jpg?v=1791728798 Enalaprilat, 79.80% | 76420-72-9 Enalaprilat|C1806224|76420-72-9 https://www.jk-sci.com/products/s57c1826426 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350147.png?v=1791728705 H-Glu-Met-OH | 4423-22-7 H-Glu-Met-OH|C1826426|4423-22-7 https://www.jk-sci.com/products/s57c4x-32734 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8342aee5bf617eee8b6bfdbaf1692c5.jpg?v=1791707695 Naftidrofuryl EP impurity E, 90.30% | 3216-60-2 Naftidrofuryl EP impurity E|C4X-32734|3216-60-2 https://www.jk-sci.com/products/s57c1826998 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34a2e8842457fac75ca87e66f6619feb.jpg?v=1791728688 Isopropyl 2-(4-Isobutylphenyl)Propanoate, 97.80% | 64622-17-9 Isopropyl 2-(4-Isobutylphenyl)Propanoate|C1826998|64622-17-9 https://www.jk-sci.com/products/s57c1827475 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365242.png?v=1791728683 Naphthalen-1-ylhydrazine Hydrochloride, Purity: 94.0% | 2243-56-3 Naphthalen-1-ylhydrazine Hydrochloride|C1827475|2243-56-3 https://www.jk-sci.com/products/s57c1870925 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a997dde18f5e4f6496d310452ebe8e7d.jpg?v=1791728551 Salcaprozate Impurity N1, 98.80% | 20073-95-4 Salcaprozate Impurity N1|C1870925|20073-95-4 https://www.jk-sci.com/products/s57c1891275 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e94fbc79cabdb05463f473d3d6a0b2e.jpg?v=1791728443 Pyrantel EP impurity D, 92.50% | 4271-96-9 Pyrantel EP impurity D|C1891275|4271-96-9 https://www.jk-sci.com/products/s57c4x-32801 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469871.png?v=1791707693 Mesalazine Impurity 1, Purity: 98.8% | 939-97-9 Mesalazine Impurity 1|C4X-32801|939-97-9 https://www.jk-sci.com/products/s57c4x-32846 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f58776b3-eab6-43f5-b92d-f43208f87582.png?v=1791707690 Prusogliptin Impurity 6, Purity: 99.5% Prusogliptin Impurity 6|C4X-32846 https://www.jk-sci.com/products/s57c1908632 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b7779c4aad026147ab0fd34f44ddd0d.jpg?v=1791728367 Torachrysone-8-O-β-D-glucopyranoside, Purity: 98.9% | 64032-49-1 Torachrysone-8-O-β-D-glucopyranoside|C1908632|64032-49-1 https://www.jk-sci.com/products/s57c4x-33016 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c7146b36470605baf246426269e2154.jpg?v=1791707685 Xanomeline Impurity 6, 98.90% | 2414049-88-8 Xanomeline Impurity 6|C4X-33016|2414049-88-8 https://www.jk-sci.com/products/s57c3d-3048 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397978_02afbff2-1040-4177-ae49-dbb44e4ea525.png?v=1791727545 Uric Acid-1,3-15N2, Purity>95% | 62948-75-8 Uric Acid-1,3-15N2|C3D-3048|62948-75-8 https://www.jk-sci.com/products/s57c3d-3528 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598421.png?v=1791727406 3＇-Chloroacetanilide, 99.40% | 588-07-8 3＇-Chloroacetanilide|C3D-3528|588-07-8 https://www.jk-sci.com/products/s57c4x-330111 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f540301fad9ce214c851f66282a083a.jpg?v=1791707684 Xanomeline N-Oxide, 91.60% | 174656-58-7 Xanomeline N-Oxide|C4X-330111|174656-58-7 https://www.jk-sci.com/products/s57c4x-10019 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc9608263edffb8794955af26157b0b9.jpg?v=1791726591 Erythromycin B, 94.70% | 527-75-3 Erythromycin B|C4X-10019|527-75-3 https://www.jk-sci.com/products/s57c4x-101016 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/705f8238ecb989ebdb5be8460ced9d94.jpg?v=1791726319 Acyclovir EP Impurity P, 90.20% | 23169-33-7 Acyclovir EP Impurity P|C4X-101016|23169-33-7 https://www.jk-sci.com/products/s57c4x-102093 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120277.png?v=1791726019 3-Chloropyridine, Purity: 100.0% | 626-60-8 3-Chloropyridine|C4X-102093|626-60-8 https://www.jk-sci.com/products/s57c4x-102248 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/760dcebc1ca9086724fb0c29f6d27797.jpg?v=1791725992 Carfilzomib Impurity 48, 90.20% | 1541172-75-1 Carfilzomib Impurity 48|C4X-102248|1541172-75-1 https://www.jk-sci.com/products/s57c4x-10451 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370208_03d48d49-4830-4a36-9c72-ee6125152713.png?v=1791725527 Amisulpride EP Impurity A, 98.80% | 26116-12-1 Amisulpride EP Impurity A|C4X-10451|26116-12-1 https://www.jk-sci.com/products/s57c4x-105638 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7d3de1b126ca4780e06de61ee49bb42.jpg?v=1791725243 Vortioxetine Hydrobromide, 98.00% | 960203-27-4 Vortioxetine Hydrobromide|C4X-105638|960203-27-4 https://www.jk-sci.com/products/s57c4x-10575 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340f55ddd62d026b82ece2a0dfae0630.jpg?v=1791725165 Valsartan impurity 5, 94.20% | 676129-92-3 Valsartan impurity 5|C4X-10575|676129-92-3 https://www.jk-sci.com/products/s57c4x-106852 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342296.png?v=1791724723 Imatinib Impurity 52, 99.60% | 350-03-8 Imatinib Impurity 52|C4X-106852|350-03-8 https://www.jk-sci.com/products/s57c4x-136451 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508019_fd00a725-5670-47ab-9e6b-af86ac68abd7.png?v=1791718665 Lercanidipine Impurity 51, 94.00% | 5394-63-8 Lercanidipine Impurity 51|C4X-136451|5394-63-8 https://www.jk-sci.com/products/s57c4x-33054 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b695143cce8909cb73ad02e52c628a09.jpg?v=1791707680 (R)-2-Amino-2-(2-hydroxyphenyl)acetic acid Hydrochloride, 91.30% | 2829292-56-8 (R)-2-Amino-2-(2-hydroxyphenyl)acetic acid Hydrochloride|C4X-33054|2829292-56-8 https://www.jk-sci.com/products/s57c4x-15181 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/685375b82976320488a8826c02f1e778.jpg?v=1791716252 Lipoic acid impurity N1, 90.30% | 17370-41-1 Lipoic acid impurity N1|C4X-15181|17370-41-1 https://www.jk-sci.com/products/s57c1033614 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26cb1936a0ce0eb25a6da777f5185d3_0363882e-bde3-4578-9851-fdcc20e26381.jpg?v=1791730339 N-benzyl-2-cyanoacetamide, 99.90% | 10412-93-8 N-benzyl-2-cyanoacetamide|C1033614|10412-93-8 https://www.jk-sci.com/products/s57c1416644 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40b535bf224e511f0c944f2121c56b8a.jpg?v=1791729700 2-Methyl-3,17beta-Estradiol, 98.90% | 1818-12-8 2-Methyl-3,17beta-Estradiol|C1416644|1818-12-8 https://www.jk-sci.com/products/s57c1432585 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443088.png?v=1791729672 Cortistatin-14 | 186901-48-4 Cortistatin-14|C1432585|186901-48-4 https://www.jk-sci.com/products/s57c1441747 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371229_a5529858-4586-431c-8d1d-8477a5b1c0f3.png?v=1791729656 1,2,3,4-Tetrahydro-1-naphthoic Acid, 99.10% | 1914-65-4 1,2,3,4-Tetrahydro-1-naphthoic Acid|C1441747|1914-65-4 https://www.jk-sci.com/products/s57c4x-3309 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f603dd49facd6a28588c634517f2271.jpg?v=1791707675 Samidorphan, 95.70% | 421552-35-4 Samidorphan|C4X-3309|421552-35-4 https://www.jk-sci.com/products/s57c1492060 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79bcfc9cae1886c4b43db3b81d5d1591.jpg?v=1791729579 (R)-2-Amino-2-(3-hydroxyphenyl)acetic acid, 99.40% | 25698-27-5 (R)-2-Amino-2-(3-hydroxyphenyl)acetic acid|C1492060|25698-27-5 https://www.jk-sci.com/products/s57c1512470 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39d2f9ce81c706de202f85a9a3ffa13f.jpg?v=1791729526 1-(2-Bromo-6-fluorophenyl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)urea, Purity: 96.2% | 917389-23-2 1-(2-Bromo-6-fluorophenyl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)urea|C1512470|917389-23-2 https://www.jk-sci.com/products/s57c1633584 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2be49bc6f63a2fa271dc0cfbfe161c.jpg?v=1791729252 2-Methyl-1,4-naphthalenediol, 98.40% | 481-85-6 2-Methyl-1,4-naphthalenediol|C1633584|481-85-6 https://www.jk-sci.com/products/s57c1655184 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/181c17ab97ed3a8e827373b066ee46ad.jpg?v=1791729223 3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde, 95.90% | 25934-52-5 3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde|C1655184|25934-52-5 https://www.jk-sci.com/products/s57c1793915 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04d6855f1e8012a2df80eb67460029d7.jpg?v=1791728905 4,5-Dihydrooxazole Bilastine, 93.40% | 202189-77-3 4,5-Dihydrooxazole Bilastine|C1793915|202189-77-3 https://www.jk-sci.com/products/s57c1806552 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121258.png?v=1791728786 Ethacridine, 82.50% | 442-16-0 Ethacridine|C1806552|442-16-0 https://www.jk-sci.com/products/s57c1884200 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96fcf940a99b02a21cbf887d76e7de8c.jpg?v=1791728502 N-Methyl-N-(2-nitrobenzyl)cyclohexanamine hydrochloride, Purity: 99.7% | 31611-42-4 N-Methyl-N-(2-nitrobenzyl)cyclohexanamine hydrochloride|C1884200|31611-42-4 https://www.jk-sci.com/products/s57c3d-4547 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348821.png?v=1791727139 1,2,4-Triaminobenzene Dihydrochloride, 95.90% | 615-47-4 1,2,4-Triaminobenzene Dihydrochloride|C3D-4547|615-47-4 https://www.jk-sci.com/products/s57c4x-3315 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93a464332ceb409f0e91fb5316d8cd6e.jpg?v=1791707675 Vadadustat, 99.40% | 1000025-07-9 Vadadustat|C4X-3315|1000025-07-9 https://www.jk-sci.com/products/s57c3d-5009 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89063233c67979b51362f3504c2979a9.jpg?v=1791727041 2-Hydroxy-2-methylpropiophenone, 99.70% | 7473-98-5 2-Hydroxy-2-methylpropiophenone|C3D-5009|7473-98-5 https://www.jk-sci.com/products/s57c4x-1020162 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_65f2c770-ddc5-4567-a226-c6af38d4d97c.png?v=1791726115 Vonoprazan Impurity 162, 99.40% Vonoprazan Impurity 162|C4X-1020162 https://www.jk-sci.com/products/s57c4x-103118 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7f51c3fc2416ff7e54b1699e5d6d660.jpg?v=1791725810 Montelukast EP Impurity I, 95.00% | 2045402-27-3 Montelukast EP Impurity I|C4X-103118|2045402-27-3 https://www.jk-sci.com/products/s57c4x-105651 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d630f7fe4922e29750994f6a5c26ef36.jpg?v=1791725231 Vortioxetine Impurity 51, 99.80% | 1610527-49-5 Vortioxetine Impurity 51|C4X-105651|1610527-49-5 https://www.jk-sci.com/products/s57c4x-106331 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5dd0e8dca2190c2251603b568e1db01.jpg?v=1791724984 Edoxaban Impurity 31, 91.00% | 259809-24-0 Edoxaban Impurity 31|C4X-106331|259809-24-0 https://www.jk-sci.com/products/s57c4x-10802 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a6f4e7d290474a84fc51795004bef7.jpg?v=1791724208 Etoricoxib Impurity 2, 99.30% | 316149-01-6 Etoricoxib Impurity 2|C4X-10802|316149-01-6 https://www.jk-sci.com/products/s57c4x-108359 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f619755a-e683-435f-80a6-387367bef846.png?v=1791724030 Cetirizine Impurity 59 (Mixture of Isomers), 97.50% Cetirizine Impurity 59 (Mixture of Isomers)|C4X-108359 https://www.jk-sci.com/products/s57c4x-116620 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438545_a77ffe4d-30c3-4756-82d1-a2c499bfdfc9.png?v=1791721275 Valproic Acid EP Impurity I, 98.80% | 13310-75-3 Valproic Acid EP Impurity I|C4X-116620|13310-75-3 https://www.jk-sci.com/products/s57c4x-12121 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e320b07e7952e0ceacc70fae171c51d2.jpg?v=1791720513 Ceftazidime EP Impurity A, 87.30% | 1000980-60-8 Ceftazidime EP Impurity A|C4X-12121|1000980-60-8 https://www.jk-sci.com/products/s57c4x-131277 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343361.png?v=1791719419 Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C), Purity: 100.0% | 90-64-2 Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C)|C4X-131277|90-64-2 https://www.jk-sci.com/products/s57c4x-135949 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359865.png?v=1791718725 Telmisartan Impurity 49, 96.70% | 25148-68-9 Telmisartan Impurity 49|C4X-135949|25148-68-9 https://www.jk-sci.com/products/s57c4x-136414 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388d5082ea9f0409b5b64653288170d4.jpg?v=1791718671 Lercanidipine Impurity 14, 98.50% | 887769-34-8 Lercanidipine Impurity 14|C4X-136414|887769-34-8 https://www.jk-sci.com/products/s57c4x-151816 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fcd132f645fdf7e13e8e424595ce396.jpg?v=1791716243 Thioctic Acid Impurity 16, 90.90% | 1700-12-5 Thioctic Acid Impurity 16|C4X-151816|1700-12-5 https://www.jk-sci.com/products/s57c4x-33249 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d7806660-76d7-4682-a4a7-b4f37b4ddc06.png?v=1791707665 FCN437 Impurity 9, 95.20% FCN437 Impurity 9|C4X-33249 https://www.jk-sci.com/products/s57c1195348 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d99af59bdc9d8eb653121008ca62be22.jpg?v=1791730100 (2R,4R)-1-Fmoc-4-(tert-butoxy)pyrrolidine-2-carboxylic Acid | 1276694-30-4 (2R,4R)-1-Fmoc-4-(tert-butoxy)pyrrolidine-2-carboxylic Acid|C1195348|1276694-30-4 https://www.jk-sci.com/products/s57c4x-33371 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482e84c135bbeafe64afbdedce1f2709.jpg?v=1791707664 (S)-Oteseconazole, 97.20% | 1446515-60-1 (S)-Oteseconazole|C4X-33371|1446515-60-1 https://www.jk-sci.com/products/s57c4x-33432 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a6c015c-8aee-401a-bccf-a3a33cba839b.png?v=1791707659 Rezvilutamide Impurity 2, Purity: 98.5% Rezvilutamide Impurity 2|C4X-33432 https://www.jk-sci.com/products/s57c1307746 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a813832042434d26b8db7bda9995d2.jpg?v=1791729922 Esomeprazole Impurity 02, 99.10% | 53065-28-4 Esomeprazole Impurity 02|C1307746|53065-28-4 https://www.jk-sci.com/products/s57c1569144 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5a78fb78ee7557c5c5d4ef8ace631e9.jpg?v=1791729422 2-(2-Chlorophenyl)oxirane, 96.20% | 62717-50-4 2-(2-Chlorophenyl)oxirane|C1569144|62717-50-4 https://www.jk-sci.com/products/s57c4x-33551 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_55825c78-da52-4863-bb49-48afcd122e47.png?v=1791707658 Aprocitentan impurity 1, Purity: 99.7% Aprocitentan impurity 1|C4X-33551 https://www.jk-sci.com/products/s57c1636348 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6be5fb2ebfa8cde60b540c09921a44de.jpg?v=1791729248 2-Methylquinolin-7-amine, 99.50% | 64334-96-9 2-Methylquinolin-7-amine|C1636348|64334-96-9 https://www.jk-sci.com/products/s57c1753487 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf6b000c3121e785db8c20697d76a107.jpg?v=1791729016 5-Cyano-2-isopropoxybenzoic acid, 99.40% | 845616-14-0 5-Cyano-2-isopropoxybenzoic acid|C1753487|845616-14-0 https://www.jk-sci.com/products/s57c1889349 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f6767cb9f51d23f1e878930a1e3e3b6.jpg?v=1791728452 (-)-Epipodophyllotoxin, 99.80% | 4375-07-9 (-)-Epipodophyllotoxin|C1889349|4375-07-9 https://www.jk-sci.com/products/s57c4x-33691 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bb4b8d69300d4aff63bd06cb81ad42c.jpg?v=1791707655 Suzetrigine, 95.00% | 2649467-58-1 Suzetrigine|C4X-33691|2649467-58-1 https://www.jk-sci.com/products/s57c1919382 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418543_f8bbe8ac-6a1a-43fc-a477-76acc61d96f0.png?v=1791728257 2-Bromomethyl-1,3-dioxolane, 96.70% | 4360-63-8 2-Bromomethyl-1,3-dioxolane|C1919382|4360-63-8 https://www.jk-sci.com/products/s57c1930112 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9f3750be7d24c633b8cef79ac5e014d.jpg?v=1791728095 Trazodone Impurity QZT-IM-2-Z4 HCl, 97.40% | 2247108-04-7 Trazodone Impurity QZT-IM-2-Z4 HCl|C1930112|2247108-04-7 https://www.jk-sci.com/products/s57c3d-2789 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149527_daec3728-e569-470f-a04c-a481077749b9.png?v=1791727635 Fmoc-Cys(Trt)-OH, 99.50% | 103213-32-7 Fmoc-Cys(Trt)-OH|C3D-2789|103213-32-7 https://www.jk-sci.com/products/s57c3d-4319 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519725.png?v=1791727201 D-Arg(Pbf)-OH, 91.90% | 200116-81-0 D-Arg(Pbf)-OH|C3D-4319|200116-81-0 https://www.jk-sci.com/products/s57c4x-1029115 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70c92aad-6a86-4c1e-be01-f29780e95728.png?v=1791725871 Clopidogrel Impurity 115, 99.70% Clopidogrel Impurity 115|C4X-1029115 https://www.jk-sci.com/products/s57c4x-104611 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402904435ac19d0ea9e767855ea26dae.jpg?v=1791725488 Trelagliptin Impurity 11, 96.60% | 1938080-42-2 Trelagliptin Impurity 11|C4X-104611|1938080-42-2 https://www.jk-sci.com/products/s57c4x-10512 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c129b996e1ffb4730a994e16a33472c.jpg?v=1791725420 Diclofenac EP Impurity C, 96.50% | 27204-57-5 Diclofenac EP Impurity C|C4X-10512|27204-57-5 https://www.jk-sci.com/products/s57c4x-106414 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60469c763483c67af9aa1f93a53282c7.jpg?v=1791724941 Ibrutinib Impurity 14, 99.30% | 2031255-23-7 Ibrutinib Impurity 14|C4X-106414|2031255-23-7 https://www.jk-sci.com/products/s57c4x-33865 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_be2b4872-0a2d-4d9d-9e56-fd9cd0bc671e.png?v=1791707649 Fovinaciclib Impurity 5, 92.50% Fovinaciclib Impurity 5|C4X-33865 https://www.jk-sci.com/products/s57c4x-108715 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53b12a83d8c39bde4e9487a3149b1c00.jpg?v=1791723904 Tadalafil Impurity 15, Purity: 99.5% | 171596-42-2 Tadalafil Impurity 15|C4X-108715|171596-42-2 https://www.jk-sci.com/products/s57c4x-109566 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_964b9ab5-dc63-4310-8dbe-83751ee606fa.png?v=1791723486 Amlodipine N-Lactoside Besylate, 96.90% Amlodipine N-Lactoside Besylate|C4X-109566 https://www.jk-sci.com/products/s57c4x-113110 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de4cbccce2ee768bf7622e2559896421.jpg?v=1791722291 Brexpiprazole Impurity 10, 98.30% | 1191900-58-9 Brexpiprazole Impurity 10|C4X-113110|1191900-58-9 https://www.jk-sci.com/products/s57c4x-116016 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94052bc63b28504c86ccbf87c4f5f921.jpg?v=1791721503 Cholic Acid Impurity 16, 98.80% | 2458-08-4 Cholic Acid Impurity 16|C4X-116016|2458-08-4 https://www.jk-sci.com/products/s57c4x-124319 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f69096733379fb8c80a3808aa52789dd.jpg?v=1791720046 Efinaconazole Impurity 19, 99.70% | 164650-45-7 Efinaconazole Impurity 19|C4X-124319|164650-45-7 https://www.jk-sci.com/products/s57c4x-13456 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161232_4bbd000c-f0d0-4814-90b1-6ae19587866c.png?v=1791718966 Spironolactone EP Impurity F, 99.90% | 976-71-6 Spironolactone EP Impurity F|C4X-13456|976-71-6 https://www.jk-sci.com/products/s57c4x-137312 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305b3e9c4b5ce39ef221d37a758c678f.jpg?v=1791718473 N-Formyl Kynurenine, 93.00% | 1022-31-7 N-Formyl Kynurenine|C4X-137312|1022-31-7 https://www.jk-sci.com/products/s57c4x-151410 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b223f4fdaf00becf78b49087c782473.jpg?v=1791716322 Norepinephrine Impurity 10, 94.90% | 2948-16-5 Norepinephrine Impurity 10|C4X-151410|2948-16-5 https://www.jk-sci.com/products/s57c4x-15188 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427321.png?v=1791716236 Thioctic Acid Impurity 8, 99.00% | 1070-65-1 Thioctic Acid Impurity 8|C4X-15188|1070-65-1 https://www.jk-sci.com/products/s57c1074173 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456f6d0007db00903fef53bf24eb937c.jpg?v=1791730256 Fondaparinux sodium Impurity N1, 97.60% | 114903-05-8 Fondaparinux sodium Impurity N1|C1074173|114903-05-8 https://www.jk-sci.com/products/s57c1078633 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386256_fe8b7fdd-7862-48aa-974d-6965b6eab6db.png?v=1791730250 Bis(2-nitrophenyl)disulfide, 99.20% | 1155-00-6 Bis(2-nitrophenyl)disulfide|C1078633|1155-00-6 https://www.jk-sci.com/products/s57c1095954 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30476af7f70f1e8404a1aca382c50b9d.jpg?v=1791730234 Bilastine Impurity N19, 99.50% | 1181267-30-0 Bilastine Impurity N19|C1095954|1181267-30-0 https://www.jk-sci.com/products/s57c1144133 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399c8702f6353ed6d44812855ffe6732.jpg?v=1791730146 Azasetron Impurity 1, 99.70% | 123040-79-9 Azasetron Impurity 1|C1144133|123040-79-9 https://www.jk-sci.com/products/s57c1208012 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4123748e70488b4240979adea1c1f290.jpg?v=1791730081 Pimpinellin, 98.40% | 131-12-4 Pimpinellin|C1208012|131-12-4 https://www.jk-sci.com/products/s57c4x-34201 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29eb2e062ce4f70d9f5090f030bd0e8a.jpg?v=1791707650 Xylazine Impurity 1, Purity: 99.0% | 120077-91-0 Xylazine Impurity 1|C4X-34201|120077-91-0 https://www.jk-sci.com/products/s57ccad300387 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529540_5c07b32c-2f6e-47fc-bae1-f7ebe45b2c25.png?v=1791707626 Pyrazinamide, Purity>95% | 98-96-4 Pyrazinamide|CCAD300387|98-96-4 https://www.jk-sci.com/products/s57c1596419 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525772.png?v=1791729375 2,3-Dichloropropionic acid, 97.70% | 565-64-0 2,3-Dichloropropionic acid|C1596419|565-64-0 https://www.jk-sci.com/products/s57ccad300161 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515287_95fdd12c-0cdb-46dd-9db0-df2ed49ad5e2.png?v=1791707632 Corticosterone, Purity>95% | 50-22-6 Corticosterone|CCAD300161|50-22-6 https://www.jk-sci.com/products/s57c1795535 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153242.png?v=1791728892 Bradykinin | 58-82-2 Bradykinin|C1795535|58-82-2 https://www.jk-sci.com/products/s57c1798766 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be9b4827134ba8d8b79707c33c6dea99.jpg?v=1791728848 Citreorosein, 94.10% | 481-73-2 Citreorosein|C1798766|481-73-2 https://www.jk-sci.com/products/s57ccad300010 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228703.png?v=1791707641 Beta-Estradiol, 95.9% | 50-28-2 Beta-Estradiol|CCAD300010|50-28-2 https://www.jk-sci.com/products/s57c1799289 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3028aaf5c850afdce47eef008acabbf3.jpg?v=1791728842 Crizotinib Impurity 01, 99.10% | 877399-51-4 Crizotinib Impurity 01|C1799289|877399-51-4 https://www.jk-sci.com/products/s57ccad300459 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/465447.png?v=1791707621 Testosterone, 99.0% | 58-22-0 Testosterone|CCAD300459|58-22-0 https://www.jk-sci.com/products/s57ccad300626 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481973_c00facbf-f3e6-47a7-9694-055a71dbefc1.png?v=1791707612 Cefoperazone, >95% | 62893-19-0 Cefoperazone|CCAD300626|62893-19-0 https://www.jk-sci.com/products/s57c1805445 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dd6047d7c26b22d17b783c5d5d9e83f.jpg?v=1791728809 DL-2-Methoxyamphetamine hydrochloride, 94.70% | 72739-03-8 DL-2-Methoxyamphetamine hydrochloride|C1805445|72739-03-8 https://www.jk-sci.com/products/s57c1806032 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5d1609829e3e4b5bf6f8b467937074b.jpg?v=1791728804 d-alpha-Tocopheryl Retinoate, 92.80% | 40516-49-2 d-alpha-Tocopheryl Retinoate|C1806032|40516-49-2 https://www.jk-sci.com/products/s57ccad300530 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250693_2da3f098-dff6-4902-a5a9-3cd2402589c5.png?v=1791707619 Ciprofloxacin, Purity: 93.1% | 85721-33-1 Ciprofloxacin|CCAD300530|85721-33-1 https://www.jk-sci.com/products/s57ccad300254 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501592.png?v=1791707631 Hydrocortisone, 99.9% | 50-23-7 Hydrocortisone|CCAD300254|50-23-7 https://www.jk-sci.com/products/s57ccad300039 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204292.png?v=1791707636 5Alpha-Androstan-17Beta-Ol-3-One, 96.7% | 521-18-6 5Alpha-Androstan-17Beta-Ol-3-One|CCAD300039|521-18-6 https://www.jk-sci.com/products/s57ccad300575 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205095_ceaa0541-933b-4495-981c-c634a45ffd41.png?v=1791707616 Pipracil, 95.0% | 61477-96-1 Pipracil|CCAD300575|61477-96-1 https://www.jk-sci.com/products/s57c1854990 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9fbef22f581099af8d4d4364f115126_336449bf-b95d-4e28-b316-762b6cc6d77c.jpg?v=1791728568 N-(2-Aminoethyl)methanesulfonamide Hydrochloride, 90.10% | 202197-61-3 N-(2-Aminoethyl)methanesulfonamide Hydrochloride|C1854990|202197-61-3 https://www.jk-sci.com/products/s57c3d-1545 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d6aeadd51e693c12a5ece675f1751b.jpg?v=1791728074 2-Amino-3-bromobenzaldehyde, 97.10% | 145123-24-6 2-Amino-3-bromobenzaldehyde|C3D-1545|145123-24-6 https://www.jk-sci.com/products/s57c3d-25809 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/963f2cb53d82bda26b5fc56bbcc7179f.jpg?v=1791727931 Tetradecyl Nicotinate, Purity: 99.4% | 273203-62-6 Tetradecyl Nicotinate|C3D-25809|273203-62-6 https://www.jk-sci.com/products/s57c3d-25942 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602263.png?v=1791727824 【停用，见C4X-14691】3,6-Dimethoxypyridazine, 99.70% | 24155-42-8 【停用，见C4X-14691】3,6-Dimethoxypyridazine|C3D-25942|24155-42-8 https://www.jk-sci.com/products/s57c3d-2949 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f58fca5c4212b016a351fcfea4f4213d.jpg?v=1791727561 Di-tert-butyl piperazine-1,4-dicarboxylate, 98.00% | 76535-75-6 Di-tert-butyl piperazine-1,4-dicarboxylate|C3D-2949|76535-75-6 https://www.jk-sci.com/products/s57c3d-6028 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7db92b64c166971d284d53912a5e13a1.jpg?v=1791726714 moprolol, Purity: 98.1% | 5741-22-0 moprolol|C3D-6028|5741-22-0 https://www.jk-sci.com/products/s57c4x-10025 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcf30f4994701712759a4878ac766968.jpg?v=1791726575 Clarithromycin EP Impurity M, 95.80% | 127182-43-8 Clarithromycin EP Impurity M|C4X-10025|127182-43-8 https://www.jk-sci.com/products/s57c4x-100612 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338c88420ef54296c6ca7f0bbba4233a.jpg?v=1791726504 Afatinib impurity 12, Purity: 97.9% | 1680184-59-1 Afatinib impurity 12|C4X-100612|1680184-59-1 https://www.jk-sci.com/products/s57c4x-100822 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36c7aae2dfaa16872d94da31879d440c.jpg?v=1791726437 Aripiprazole EP Impurity F, 99.20% | 573691-09-5 Aripiprazole EP Impurity F|C4X-100822|573691-09-5 https://www.jk-sci.com/products/s57c4x-1020135 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566097.png?v=1791726130 Vonoprazan Impurity 135, 80.40% | 55717-46-9 Vonoprazan Impurity 135|C4X-1020135|55717-46-9 https://www.jk-sci.com/products/s57c4x-1020219 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab84130e301f18a4167500861321c8e3.jpg?v=1791726084 Vonoprazan Impurity 219, 90.30% | 123151-15-5 Vonoprazan Impurity 219|C4X-1020219|123151-15-5 https://www.jk-sci.com/products/s57ccad300711 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335371.png?v=1791707606 17beta-Estradiol-D4, Purity>95% | 66789-03-5 17beta-Estradiol-D4|CCAD300711|66789-03-5 https://www.jk-sci.com/products/s57c4x-102523 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4be15c4302e96532e9dfddaec5f51321.jpg?v=1791725964 Crizotinib impurity 23, 99.20% | 877399-73-0 Crizotinib impurity 23|C4X-102523|877399-73-0 https://www.jk-sci.com/products/s57c4x-103115 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/666b2499a70c0f9139b4ca7aa7737ae9.jpg?v=1791725815 Montelukast EP Impurity E, 95.50% | 1187586-58-8 Montelukast EP Impurity E|C4X-103115|1187586-58-8 https://www.jk-sci.com/products/s57c4x-103942 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489669_0434ae58-a711-4b3b-8ba4-a1aa71c15edd.png?v=1791725610 Donepezil EP impurity A, Purity: 99.3% | 120014-30-4 Donepezil EP impurity A|C4X-103942|120014-30-4 https://www.jk-sci.com/products/s57c4x-105745 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cfe1afed7452ede43be8ad90f33c766.jpg?v=1791725172 Valsartan Impurity 45, Purity: 98.0% | 358685-13-9 Valsartan Impurity 45|C4X-105745|358685-13-9 https://www.jk-sci.com/products/s57c4x-105983 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_db26c6e2-8552-4ca1-bc24-472db1060ea0.png?v=1791725066 Cinacalcet impurity 83, 96.00% Cinacalcet impurity 83|C4X-105983 https://www.jk-sci.com/products/s57c4x-108412 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bd6d31ac5e7f2427dba78e901d335ae_f0d54515-8cd5-4096-b3f6-173429ccd6ac.jpg?v=1791724017 Roflumilast N-Oxide, 98.60% | 292135-78-5 Roflumilast N-Oxide|C4X-108412|292135-78-5 https://www.jk-sci.com/products/s57c4x-10872 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6256fd70366142d6ec086d637d7d887_a54a2d6f-27d2-46c8-97c8-6ba9ce1a7b8b.jpg?v=1791723887 Tadalafil EP Impurity B, 99.30% | 629652-72-8 Tadalafil EP Impurity B|C4X-10872|629652-72-8 https://www.jk-sci.com/products/s57c4x-121370 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c50e586c-29f5-4e0b-aaa3-aefb4f94298a.png?v=1791720472 Roxatidine impurity 70, 98.60% Roxatidine impurity 70|C4X-121370 https://www.jk-sci.com/products/s57c4x-12307 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/892d2d4bb0fb3dc1315a30cf34f0d0e7.jpg?v=1791720332 Dexmedetomidine Impurity 7, 95.60% | 86347-12-8 Dexmedetomidine Impurity 7|C4X-12307|86347-12-8 https://www.jk-sci.com/products/s57c4x-126750 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c0156e755f964dee43c212e5892e0a3.jpg?v=1791719695 Ixazomib Impurity 50, Purity: 99.4% | 220315-20-8 Ixazomib Impurity 50|C4X-126750|220315-20-8 https://www.jk-sci.com/products/s57c4x-137322 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/670ebad39d9cac9d7de2a76f6f57a879.jpg?v=1791718464 Tryptophan Impurity 22, 91.40% | 881025-90-7 Tryptophan Impurity 22|C4X-137322|881025-90-7 https://www.jk-sci.com/products/s57c4x-151462 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_98cac7fa-27fb-41bd-9a5b-27581da5c683.png?v=1791716287 Norepinephrine EP Impurity G HCl, Purity: 99.3% Norepinephrine EP Impurity G HCl|C4X-151462 https://www.jk-sci.com/products/s57ccad300759 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332724_5d218c3f-f19b-424b-9973-b0e544cec707.png?v=1791707601 D-Pantothenic Acid, Technical?Grade | 79-83-4 D-Pantothenic Acid|CCAD300759|79-83-4 https://www.jk-sci.com/products/s57c1052708 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c122afd6871f990b2ab59e43f4ba8658.jpg?v=1791730308 Glutaryl Carnitine, Purity>95% | 109006-11-3 Glutaryl Carnitine|C1052708|109006-11-3 https://www.jk-sci.com/products/s57c1312891 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23278eb753c0fe1037623d1b3101c9d0.jpg?v=1791729890 5-(4-Bromophenyl)-4,6-dichloropyrimidine, Purity: 99.9% | 146533-41-7 5-(4-Bromophenyl)-4,6-dichloropyrimidine|C1312891|146533-41-7 https://www.jk-sci.com/products/s57c1364821 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ae79de843cbc3e58551246f6697e5fc.jpg?v=1791729759 N-(4-Hydroxybenzylidene)aniline, Purity: 100.0% | 1689-73-2 N-(4-Hydroxybenzylidene)aniline|C1364821|1689-73-2 https://www.jk-sci.com/products/s57c1557746 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e206db9805f5408f116225e383c2791.jpg?v=1791729438 2-((2-Fluorobenzyl)amino)ethanol, 97.20% | 64834-60-2 2-((2-Fluorobenzyl)amino)ethanol|C1557746|64834-60-2 https://www.jk-sci.com/products/s57c1703730 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522471_2c4e075d-05fd-460c-97cb-287e7472cf08.png?v=1791729122 N-[4-(Trifluoromethyl)phenyl]acetamide, 99.80% | 349-97-3 N-[4-(Trifluoromethyl)phenyl]acetamide|C1703730|349-97-3 https://www.jk-sci.com/products/s57c1788279 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e0a46b700f45708a8e382758f265cb0.jpg?v=1791728954 Acetyl-4-iodo-DL-phenylalanine | 457615-88-2 Acetyl-4-iodo-DL-phenylalanine|C1788279|457615-88-2 https://www.jk-sci.com/products/s57c1818618 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d0bf930d4cc410de93770c1bf9ff9d3.jpg?v=1791728759 Roxadustat Impurity N1, 99.50% | 808116-52-1 Roxadustat Impurity N1|C1818618|808116-52-1 https://www.jk-sci.com/products/s57c1866927 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d155cb0947cc7baf86fe21e1cabf266.jpg?v=1791728559 N-(5-Bromo-3-methylpyridin-2-yl)-N-methylbenzamide, 98.10% | 446299-80-5 N-(5-Bromo-3-methylpyridin-2-yl)-N-methylbenzamide|C1866927|446299-80-5 https://www.jk-sci.com/products/s57c1894627 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0e2dc78f10cea6c4809584704d0eb9.jpg?v=1791728416 Saxagliptin Impurity N38, 93.80% | 709031-29-8 Saxagliptin Impurity N38|C1894627|709031-29-8 https://www.jk-sci.com/products/s57c1917765 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301194.png?v=1791728280 1-(tert-Butyl)-4-iodobenzene, 99.00% | 35779-04-5 1-(tert-Butyl)-4-iodobenzene|C1917765|35779-04-5 https://www.jk-sci.com/products/s57c1932081 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4af5dea8e3ecd60732ab5e4a9294670.jpg?v=1791728078 Efavirenz Related Compound A, 98.20% | 209414-27-7 Efavirenz Related Compound A|C1932081|209414-27-7 https://www.jk-sci.com/products/s57c3d-2327 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297270_fc4ee15b-0abf-4a7e-a449-62635427531c.png?v=1791727983 1-Ethylpiperidin-3-Amine, 92.20% | 6789-94-2 1-Ethylpiperidin-3-Amine|C3D-2327|6789-94-2 https://www.jk-sci.com/products/s57c3d-25899 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618102.png?v=1791727864 5-Aminolevulinic Acid Hydrochloride, 96.30% | 5451-09-2 5-Aminolevulinic Acid Hydrochloride|C3D-25899|5451-09-2 https://www.jk-sci.com/products/s57c3d-26035 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ae2ff9b38c19a3b4122f97fe9e7c68e_d8fe15c6-f37b-400d-bf0b-63a9251e805c.jpg?v=1791727779 4-Bromobenzo[b]thiophene-2-carboxylic acid, 97.80% | 5194-37-6 4-Bromobenzo[b]thiophene-2-carboxylic acid|C3D-26035|5194-37-6 https://www.jk-sci.com/products/s57c3d-3626 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577325_bb015707-8d90-4de9-a8e9-a7d03d81eb65.png?v=1791727377 (R)-(+)-Tetrahydrofuran-2-carboxylic Acid, 97.10% | 87392-05-0 (R)-(+)-Tetrahydrofuran-2-carboxylic Acid|C3D-3626|87392-05-0 https://www.jk-sci.com/products/s57c3d-4922 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513711.png?v=1791727066 β-Nornicotyrine, 92.20% | 494-98-4 β-Nornicotyrine|C3D-4922|494-98-4 https://www.jk-sci.com/products/s57c3d-5729 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d76909926338f89d396b1062314d292.jpg?v=1791726846 N-cyclohexylmorpholine-4-carboxamide, Purity: 95.6% | 3417-54-7 N-cyclohexylmorpholine-4-carboxamide|C3D-5729|3417-54-7 https://www.jk-sci.com/products/s57c4x-102932 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21df8480da529f28f09dc2d555850f16.jpg?v=1791725851 Clopidogrel Impurity 32, Purity: 98.8% | 1258938-54-3 Clopidogrel Impurity 32|C4X-102932|1258938-54-3 https://www.jk-sci.com/products/s57c4x-10509 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1d78bcae4388016d601b8ea2820b1d2.jpg?v=1791725434 Salmeterol Impurity 9, 96.40% | 27475-14-5 Salmeterol Impurity 9|C4X-10509|27475-14-5 https://www.jk-sci.com/products/s57c4x-105717 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff19e04ed648bb8e07134dd0b95070f3.jpg?v=1791725188 Valsartan Impurity 17 ( Losartan EP Impurity E ), 99.10% | 120568-11-8 Valsartan Impurity 17 ( Losartan EP Impurity E )|C4X-105717|120568-11-8 https://www.jk-sci.com/products/s57c4x-106236 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_72a5e15a-7541-4482-8797-b6f21b1f0f9c.png?v=1791725010 Edaravone impurity 36 (Mixture of Enantiomers), 92.90% Edaravone impurity 36 (Mixture of Enantiomers)|C4X-106236 https://www.jk-sci.com/products/s57c4x-10629 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90f4a7d86d09dba21d3f12bc1fb301e.jpg?v=1791725007 Edaravone Impurity 9, 99.50% | 19735-89-8 Edaravone Impurity 9|C4X-10629|19735-89-8 https://www.jk-sci.com/products/s57c4x-10814 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8461bb3aa6b18796c8ca65fc2cd8f1a8.jpg?v=1791724168 Diacerein EP Impurity G, 98.20% | 64951-96-8 Diacerein EP Impurity G|C4X-10814|64951-96-8 https://www.jk-sci.com/products/s57ccad300821 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623756_f73b1031-c98f-4a7a-9456-bcbd723b8e2f.png?v=1791707601 Everolimus, 99.5% | 159351-69-6 Everolimus|CCAD300821|159351-69-6 https://www.jk-sci.com/products/s57c4x-10822 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4df0d5ca0693b878c115575b044b90a.jpg?v=1791724136 Ibuprofen EP Impurity B, 92.20% | 3585-49-7 Ibuprofen EP Impurity B|C4X-10822|3585-49-7 https://www.jk-sci.com/products/s57c4x-1090113 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c00942c8677f0a74e31240a15d9c08f.jpg?v=1791723733 Rivaroxaban Impurity113, Purity: 99.7% | 119835-88-0 Rivaroxaban Impurity113|C4X-1090113|119835-88-0 https://www.jk-sci.com/products/s57c4x-109531 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6ed5c484c93c9a1ca15a5efe6e1ca0c.jpg?v=1791723514 Amlodipine Besylate EP Impurity D, 99.10% | 113994-41-5 Amlodipine Besylate EP Impurity D|C4X-109531|113994-41-5 https://www.jk-sci.com/products/s57ccad301034 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496697.png?v=1791707596 Olanzapine, Purity: 100.0% | 132539-06-1 Olanzapine|CCAD301034|132539-06-1 https://www.jk-sci.com/products/s57c4x-119313 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91d18f52195dfb4a323cfec913247a38.jpg?v=1791720854 Cefepime EP Impurity E(HCl), 85.50% | 103121-85-3 Cefepime EP Impurity E(HCl)|C4X-119313|103121-85-3 https://www.jk-sci.com/products/s57c4x-11945 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94820bdcad986b24740ef37f9dfee9a7.jpg?v=1791720835 Lamivudine EP Impurity B(Enantiomer Mixture), 98.70% | 131086-22-1 Lamivudine EP Impurity B(Enantiomer Mixture)|C4X-11945|131086-22-1 https://www.jk-sci.com/products/s57c4x-12444 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5778da4b-9a18-4d02-83d0-7316f8140962.png?v=1791720010 Quetiapine Impurity 4, Purity: 98.8% Quetiapine Impurity 4|C4X-12444 https://www.jk-sci.com/products/s57c4x-130855 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e71ba8a2-5a9c-4242-b485-c13ea0adf518.png?v=1791719483 Levosimendan Impurity 55, Purity: 97.7% Levosimendan Impurity 55|C4X-130855 https://www.jk-sci.com/products/s57c4x-138618 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_894189e0-ba7c-4b23-86f7-ef05e329b4cf.png?v=1791718332 Raltitrexed Impurity 18, 90.80% Raltitrexed Impurity 18|C4X-138618 https://www.jk-sci.com/products/s57c4x-13952 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281546_c67f7b06-e99f-43d5-bc37-9bb530723a80.png?v=1791718194 Folic acid EP Impurity B, 99.20% | 1004-75-7 Folic acid EP Impurity B|C4X-13952|1004-75-7 https://www.jk-sci.com/products/s57c4x-15197 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6be8a282dfa4a0320ce1c10df295e9f0.jpg?v=1791716210 Propranolol Impurity 7, Purity: 99.4% | 34646-56-5 Propranolol Impurity 7|C4X-15197|34646-56-5 https://www.jk-sci.com/products/s57c1192402 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7056c15db44e97415351dcabfa5bdc23.jpg?v=1791730100 (3R,5S)-3-(Boc-amino)-5-Methylpiperidine, 98.80% | 1270019-92-5 (3R,5S)-3-(Boc-amino)-5-Methylpiperidine|C1192402|1270019-92-5 https://www.jk-sci.com/products/s57c1325344 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2528464c0579c0307d4e60986e2d591b.jpg?v=1791729859 5H-pyrrolo[2,3-b]pyrazin-2-amine, 99.70% | 1504066-86-7 5H-pyrrolo[2,3-b]pyrazin-2-amine|C1325344|1504066-86-7 https://www.jk-sci.com/products/s57c1611070 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570193.png?v=1791729303 2-Amino-3-methylbenzoic Acid Methyl Ester, 95.20% | 22223-49-0 2-Amino-3-methylbenzoic Acid Methyl Ester|C1611070|22223-49-0 https://www.jk-sci.com/products/s57c1715285 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476168_f95a6a7b-9cae-47d2-9689-8c9fd52fef17.png?v=1791729091 4-Bromo-2-nitrotoluene, 99.20% | 60956-26-5 4-Bromo-2-nitrotoluene|C1715285|60956-26-5 https://www.jk-sci.com/products/s57ccad301080 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146176.png?v=1791707589 D,L-Venlafaxine, >95% | 93413-69-5 D,L-Venlafaxine|CCAD301080|93413-69-5 https://www.jk-sci.com/products/s57c1775239 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417376.png?v=1791728989 6-Methylheptanoic Acid, 94.40% | 929-10-2 6-Methylheptanoic Acid|C1775239|929-10-2 https://www.jk-sci.com/products/s57c1795327 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3d81c687a6bcca9dbfee6c17eac3a3a_93e623da-99b6-4ac8-98e8-7adc3f869b4c.jpg?v=1791728899 (R)-2-((tert-Butoxycarbonyl)amino)-3-mercaptopropanoic acid, 95.20% | 20887-95-0 (R)-2-((tert-Butoxycarbonyl)amino)-3-mercaptopropanoic acid|C1795327|20887-95-0 https://www.jk-sci.com/products/s57c1815239 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310461.png?v=1791728768 Ethyl 3,5-dinitrobenzoate, 99.20% | 618-71-3 Ethyl 3,5-dinitrobenzoate|C1815239|618-71-3 https://www.jk-sci.com/products/s57c1917476 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416022_7a924702-8efc-48bf-95ed-72415af5eec7.png?v=1791728282 1-Bromo-3,4-difluorobenzene, 96.00% | 348-61-8 1-Bromo-3,4-difluorobenzene|C1917476|348-61-8 https://www.jk-sci.com/products/s57c3d-1502 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479741.png?v=1791728073 3-hydroxy-2-pyrone, Purity: 98.7% | 496-64-0 3-hydroxy-2-pyrone|C3D-1502|496-64-0 https://www.jk-sci.com/products/s57c3d-2162 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136557_24a67a24-10ff-4e6c-9294-540588340389.png?v=1791728016 Hexyl 5-amino-4-oxopentanoate hydrochloride, Purity: 98.9% | 140898-91-5 Hexyl 5-amino-4-oxopentanoate hydrochloride|C3D-2162|140898-91-5 https://www.jk-sci.com/products/s57c3d-262194 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8e3dde67df646c4f167114e3773c67d.jpg?v=1791727720 Ethyl 4-(tert-butylamino)benzoate, 99.00% | 36171-08-1 Ethyl 4-(tert-butylamino)benzoate|C3D-262194|36171-08-1 https://www.jk-sci.com/products/s57c3d-5416 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_086fc56a-6b81-4eb4-9ea2-d5e3df34eb5a.png?v=1791726949 tert-butyl tert-butyl(2-(methoxy(methyl)amino)-2-oxoethyl)carbamate, Purity: 98.9% tert-butyl tert-butyl(2-(methoxy(methyl)amino)-2-oxoethyl)carbamate|C3D-5416 https://www.jk-sci.com/products/s57c3d-5776 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481974.png?v=1791726820 4-Aminobutanamide hydrochloride, Purity: 99.6% | 13031-62-4 4-Aminobutanamide hydrochloride|C3D-5776|13031-62-4 https://www.jk-sci.com/products/s57ccad301137 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291641.png?v=1791707588 Tigecycline, 99.7% | 220620-09-7 Tigecycline|CCAD301137|220620-09-7 https://www.jk-sci.com/products/s57c4x-10116 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433021.png?v=1791726301 Oxiracetam Impurity 6, 99.70% | 106-57-0 Oxiracetam Impurity 6|C4X-10116|106-57-0 https://www.jk-sci.com/products/s57c4x-10122 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135216.png?v=1791726290 Baclofen EP Impurity B, 98.30% | 1141-23-7 Baclofen EP Impurity B|C4X-10122|1141-23-7 https://www.jk-sci.com/products/s57c4x-101517 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b70a6d6d2f411f2fa8f128f93beb5a20.jpg?v=1791726267 Clevidipine Butyrate impurity 17, 94.00% | 123853-39-4 Clevidipine Butyrate impurity 17|C4X-101517|123853-39-4 https://www.jk-sci.com/products/s57c4x-102929 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/722387f1b7b30a866609d760d68eef33.jpg?v=1791725856 Clopidogrel Impurity 29, 87.40% | 1396607-49-0 Clopidogrel Impurity 29|C4X-102929|1396607-49-0 https://www.jk-sci.com/products/s57ccad301196 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129219.png?v=1791707579 Levofloxacin, 97.2% | 100986-85-4 Levofloxacin|CCAD301196|100986-85-4 https://www.jk-sci.com/products/s57c4x-103516 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508806_d15d3808-85f1-4186-8c5a-19ecd0ee9102.png?v=1791725703 Paroxetine HCl Anhydrous EP Impurity B, 98.60% | 533-31-3 Paroxetine HCl Anhydrous EP Impurity B|C4X-103516|533-31-3 https://www.jk-sci.com/products/s57ccad301166 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371057.png?v=1791707585 rac Normetanephrine Hydrochloride, Purity: 96.6% | 1011-74-1 rac Normetanephrine Hydrochloride|CCAD301166|1011-74-1 https://www.jk-sci.com/products/s57ccad301210 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273145.png?v=1791707579 Cortisol-9,11,12,12-d4 | 73565-87-4 Cortisol-9,11,12,12-d4|CCAD301210|73565-87-4 https://www.jk-sci.com/products/s57c4x-10356 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1893a1bbde4d7a5cc5d6a1628ac23631.jpg?v=1791725677 Paroxetine EP Impurity G HCl, 96.20% | 1012886-75-7 Paroxetine EP Impurity G HCl|C4X-10356|1012886-75-7 https://www.jk-sci.com/products/s57c4x-10535 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2084f9d0a65bd5076e9e2295eb44f0a9.jpg?v=1791725362 Solifenacin EP impurity G, 99.00% | 740780-79-4 Solifenacin EP impurity G|C4X-10535|740780-79-4 https://www.jk-sci.com/products/s57c4x-1054 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1564259_a3c1decc-5ac0-4462-bc22-89be13ea533f.png?v=1791725358 Tedizolid, 97.20% | 856866-72-3 Tedizolid|C4X-1054|856866-72-3 https://www.jk-sci.com/products/s57c4x-105617 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_685b2fed-ae3d-46e8-9711-52d97c107941.png?v=1791725253 Vortioxetine Impurity 17 TFA, Purity: 96.5% Vortioxetine Impurity 17 TFA|C4X-105617 https://www.jk-sci.com/products/s57ccad301214 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299865.png?v=1791707574 Risperidone-d4, Purity>95% | 1020719-76-9 Risperidone-d4|CCAD301214|1020719-76-9 https://www.jk-sci.com/products/s57c4x-107146 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200907_a29f8d18-f46a-44db-bbc7-c97307ca4454.png?v=1791724621 Axitinib impurity 46, 99.30% | 261953-36-0 Axitinib impurity 46|C4X-107146|261953-36-0 https://www.jk-sci.com/products/s57c4x-10766 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a59ba2ec2d4dcbeff78c4ec36a55c7a8.jpg?v=1791724381 Tenofovir disoproxil Impurity 6, Purity: 98.6% | 1093279-77-6 Tenofovir disoproxil Impurity 6|C4X-10766|1093279-77-6 https://www.jk-sci.com/products/s57ccad301217 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36b549ef6e663915066ec024489b5b55.jpg?v=1791707570 Mirtazapine-d3, Purity>95% | 1216678-68-0 Mirtazapine-d3|CCAD301217|1216678-68-0 https://www.jk-sci.com/products/s57c4x-107688 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476605.png?v=1791724360 Tenofovir disoproxil Impurity 88, 97.50% | 80-40-0 Tenofovir disoproxil Impurity 88|C4X-107688|80-40-0 https://www.jk-sci.com/products/s57c4x-1087155 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82213c43b814237a977efabe8f074657.jpg?v=1791723897 Tadalafil Impurity 155, Purity: 97.3% | 691871-71-3 Tadalafil Impurity 155|C4X-1087155|691871-71-3 https://www.jk-sci.com/products/s57c4x-10981 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4ce5e08a335c5ecdfd26799bde049c8.jpg?v=1791723323 Ezetimibe Impurity 1, 98.70% | 204589-58-2 Ezetimibe Impurity 1|C4X-10981|204589-58-2 https://www.jk-sci.com/products/s57c4x-11771 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501717.png?v=1791721062 Hydrochlorothiazide EP Impurity A, 97.40% | 58-94-6 Hydrochlorothiazide EP Impurity A|C4X-11771|58-94-6 https://www.jk-sci.com/products/s57ccad301223 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7afa3f832e6056cfc6a056e2a2b11878.jpg?v=1791707564 Levofloxacin-d8, Purity>95% | 1217716-71-6 Levofloxacin-d8|CCAD301223|1217716-71-6 https://www.jk-sci.com/products/s57c4x-13694 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0ea267252fd2c85c1b8c0ca858499ad.jpg?v=1791718550 Mianserin EP Impurity D, 92.10% | 157994-98-4 Mianserin EP Impurity D|C4X-13694|157994-98-4 https://www.jk-sci.com/products/s57c4x-142218 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462796.png?v=1791717717 Ursodeoxycholic Impurity 18, 90.80% | 1192657-83-2 Ursodeoxycholic Impurity 18|C4X-142218|1192657-83-2 https://www.jk-sci.com/products/s57ccad301250 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8753c194619240a1f6d60ff2e222e084_ecac1bff-3b66-4e94-8a31-e239f73a5136.jpg?v=1791707564 Uric Acid, 99.9% | 69-93-2 Uric Acid|CCAD301250|69-93-2 https://www.jk-sci.com/products/s57ccad301414 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343920_021ed44a-59ff-4f3c-a9be-c7eaeaf09c2a.png?v=1791707554 Linezolid, >95% | 165800-03-3 Linezolid|CCAD301414|165800-03-3 https://www.jk-sci.com/products/s57ccad301384 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246a8a2f119a05c8608dbc721e0f3cbc.jpg?v=1791707559 Haloperidol-d4, Purity>95% | 1189986-59-1 Haloperidol-d4|CCAD301384|1189986-59-1 https://www.jk-sci.com/products/s57ccad301398 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9424d45160188f22282b3ef9c3ce7a3.jpg?v=1791707555 Mycophenolic Acid-d3, Purity>95% | 1185242-90-3 Mycophenolic Acid-d3|CCAD301398|1185242-90-3 https://www.jk-sci.com/products/s57c1055009 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83986a3a0a3d159d653730521370ac22.jpg?v=1791730303 N-(2,6-dimethylphenyl)piperidine-4-carboxamide, 99.40% | 109403-19-2 N-(2,6-dimethylphenyl)piperidine-4-carboxamide|C1055009|109403-19-2 https://www.jk-sci.com/products/s57c1301159 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7b405849f254ee7672f8e255a394bb3.jpg?v=1791729939 (3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one, 97.10% | 14398-35-7 (3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one|C1301159|14398-35-7 https://www.jk-sci.com/products/s57c1445866 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d8c9851b260370908448e74b2ef73f7.jpg?v=1791729650 Clevidipine Impurity N1, 100.00% | 193539-61-6 Clevidipine Impurity N1|C1445866|193539-61-6 https://www.jk-sci.com/products/s57c1497160 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e13c8cc3d089b026c17ecf70cbd65660_f5c678a5-9439-4a92-926f-e441d199928a.jpg?v=1791729553 2-[(2S)-oxiran-2-yl]ethan-1-ol, 94.50% | 95404-59-4 2-[(2S)-oxiran-2-yl]ethan-1-ol|C1497160|95404-59-4 https://www.jk-sci.com/products/s57c1608630 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476867.png?v=1791729314 2’-Aminoacetanilide, 99.70% | 34801-09-7 2’-Aminoacetanilide|C1608630|34801-09-7 https://www.jk-sci.com/products/s57c1795795 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f673f9f-90a6-4534-a680-d41e33cd06ad.png?v=1791728886 Bupropion (R)-Isomer Tartrate, 98.40% Bupropion (R)-Isomer Tartrate|C1795795 https://www.jk-sci.com/products/s57ccad301434 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/405620.png?v=1791707549 Cholic-2,2,4,4-d4 Acid, Purity>95% | 116380-66-6 Cholic-2,2,4,4-d4 Acid|CCAD301434|116380-66-6 https://www.jk-sci.com/products/s57ccad301442 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210023.png?v=1791707546 11-Deoxy Corticosterone-d8, Purity>95% | 55487-63-3 11-Deoxy Corticosterone-d8|CCAD301442|55487-63-3 https://www.jk-sci.com/products/s57c1828306 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2372793d26cf9a852627208fe5472185.jpg?v=1791728673 Fenofibrate Impurity N6, 98.30% | 72575-86-1 Fenofibrate Impurity N6|C1828306|72575-86-1 https://www.jk-sci.com/products/s57ccad301541 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b681e34b249387812c9e53c29ae0dce7.jpg?v=1791707544 DL-Normetanephrine-d3 hydrochloride, Purity>95% | 1085333-97-6 DL-Normetanephrine-d3 hydrochloride|CCAD301541|1085333-97-6 https://www.jk-sci.com/products/s57c1870180 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b2298f40652a96562ad169bad19fb3.jpg?v=1791728552 N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide, 98.90% | 342417-04-3 N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide|C1870180|342417-04-3 https://www.jk-sci.com/products/s57c1927224 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134598.png?v=1791728134 1-Bromo-3-methyl-2-butene, 90.10% | 870-63-3 1-Bromo-3-methyl-2-butene|C1927224|870-63-3 https://www.jk-sci.com/products/s57c3d-3396 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316485_86989de5-8c6b-4b66-9e4e-b81f0f36b9e6.png?v=1791727446 2-Methylbenzothiazole, 94.80% | 120-75-2 2-Methylbenzothiazole|C3D-3396|120-75-2 https://www.jk-sci.com/products/s57c3d-5874 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b6ce899b4f8b78c78b3c18181a6945.jpg?v=1791726782 5-Methyl-3-(2-oxopropyl)-1,3,4-oxadiazol-2(3H)-one, Purity: 98.5% | 136738-11-9 5-Methyl-3-(2-oxopropyl)-1,3,4-oxadiazol-2(3H)-one|C3D-5874|136738-11-9 https://www.jk-sci.com/products/s57c4x-100116 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69fee8bc7c42d861ac98a199ecabe5ef.jpg?v=1791726611 Erythromycin EP Impurity I（Erythralosamine）, 97.80% | 546-57-6 Erythromycin EP Impurity I（Erythralosamine）|C4X-100116|546-57-6 https://www.jk-sci.com/products/s57c4x-101914 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21038b4f8a334305d9722f167eebc407.jpg?v=1791726166 Fluconazole EP Impurity G Mesylate, 90.50% | 86386-77-8 Fluconazole EP Impurity G Mesylate|C4X-101914|86386-77-8 https://www.jk-sci.com/products/s57ccad301548 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7be7da1d7e8ea0ac0605aca67d28bf8.jpg?v=1791707538 Glycolithocholic-2,2,4,4-d4 Acid, Purity>95% | 2044276-16-4 Glycolithocholic-2,2,4,4-d4 Acid|CCAD301548|2044276-16-4 https://www.jk-sci.com/products/s57c4x-102057 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c21ca7bbcf8e5ca3480b0de71b33e2a.jpg?v=1791726043 Vonoprazan Impurity 57, Purity: 99.9% | 2726830-13-1 Vonoprazan Impurity 57|C4X-102057|2726830-13-1 https://www.jk-sci.com/products/s57c4x-10383 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bb349ff2b5c158d73b19e05cb0a7f3c.jpg?v=1791725649 Prucalopride Impurity 3, 92.80% | 1608459-56-8 Prucalopride Impurity 3|C4X-10383|1608459-56-8 https://www.jk-sci.com/products/s57c4x-10433 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351807.png?v=1791725567 Celecoxib Impurity 3(Celecoxib Carboxylic Acid), Purity: 99.2% | 170571-01-4 Celecoxib Impurity 3(Celecoxib Carboxylic Acid)|C4X-10433|170571-01-4 https://www.jk-sci.com/products/s57c4x-106026 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88ee9a5a-6c5e-431e-8145-3a6c50e15b75.png?v=1791725051 Bromhexine Impurity 26【Discontinued】, 88.00% Bromhexine Impurity 26【Discontinued】|C4X-106026 https://www.jk-sci.com/products/s57c4x-106817 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dea85d08a300d181eee397becfb661a1.jpg?v=1791724730 Imatinib Impurity 17, Purity: 100.0% | 106261-49-8 Imatinib Impurity 17|C4X-106817|106261-49-8 https://www.jk-sci.com/products/s57c4x-1079206 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b77522ac-657a-4679-91c5-9dcea82d7491.png?v=1791724264 Tofacitinib Impurity 206, 99.30% Tofacitinib Impurity 206|C4X-1079206 https://www.jk-sci.com/products/s57c4x-10812 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1f0f1cb5cea84421a0a8ea690a68146.jpg?v=1791724173 Diacerein EP Impurity D, 90.80% | 875535-35-6 Diacerein EP Impurity D|C4X-10812|875535-35-6 https://www.jk-sci.com/products/s57c4x-1082122 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0197781-1c67-4a9c-9d49-51e2d2bcd211.png?v=1791724149 Ibuprofen impurity 122, 98.80% Ibuprofen impurity 122|C4X-1082122 https://www.jk-sci.com/products/s57c4x-10845 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5c10be8ebf032ca2cfb2baff061d8ee.jpg?v=1791723973 Roflumilast Impurity 5, 93.50% | 475271-62-6 Roflumilast Impurity 5|C4X-10845|475271-62-6 https://www.jk-sci.com/products/s57c4x-1085 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364981_061d830f-b2a4-4a3b-a701-e0a8b78af648.png?v=1791723969 Ambroxol hydrochloridum, 98.00% | 23828-92-4 Ambroxol hydrochloridum|C4X-1085|23828-92-4 https://www.jk-sci.com/products/s57c4x-10874 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e17025ed-f534-4ca1-8e0c-c303fed5aeea.png?v=1791723873 Tadalafil EP Impurity D, 96.80% Tadalafil EP Impurity D|C4X-10874 https://www.jk-sci.com/products/s57c4x-1090121 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a904434814f134069cb5de00befe77.jpg?v=1791723733 Rivaroxaban Impurity 121, 99.80% | 1855920-51-2 Rivaroxaban Impurity 121|C4X-1090121|1855920-51-2 https://www.jk-sci.com/products/s57c4x-11668 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394177_317a8011-4dfa-49ac-ac5a-b7ee57709d46.png?v=1791721228 Sodium Valproate EP Impurity D, 98.30% | 52061-75-3 Sodium Valproate EP Impurity D|C4X-11668|52061-75-3 https://www.jk-sci.com/products/s57c4x-12154 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4c0664cd40efb22e91478d2e310d7a8.jpg?v=1791720464 4,5-Dihydro Cefradine Impurity, 91.30% | 37051-00-6 4,5-Dihydro Cefradine Impurity|C4X-12154|37051-00-6 https://www.jk-sci.com/products/s57c1030550 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04c0e4c8c49d6b19fa80a05d82b5c447.jpg?v=1791730345 Abemaciclib Impurity N5, 98.60% | 1038408-36-4 Abemaciclib Impurity N5|C1030550|1038408-36-4 https://www.jk-sci.com/products/s57c1108737 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ce73c247dfe44f01e80a82a3d2f5372.jpg?v=1791730201 Dabrafenib Impurity N7, Purity: 99.8% | 1195768-23-0 Dabrafenib Impurity N7|C1108737|1195768-23-0 https://www.jk-sci.com/products/s57c1238917 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac38eace16a223f26165bedcbb688769.jpg?v=1791730022 Roflumilast Dimer, 99.00% | 1352122-37-2 Roflumilast Dimer|C1238917|1352122-37-2 https://www.jk-sci.com/products/s57c1312344 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459747.png?v=1791729893 Bis(trimethylsilyl)acetylene, 99.70% | 14630-40-1 Bis(trimethylsilyl)acetylene|C1312344|14630-40-1 https://www.jk-sci.com/products/s57c1662903 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f45d228852c5fbeeb79e66b38db8133.jpg?v=1791729192 3,5-Di-tert-butyl-4-hydroxybenzenesulfonic acid, Purity: 99.8% | 25679-39-4 3,5-Di-tert-butyl-4-hydroxybenzenesulfonic acid|C1662903|25679-39-4 https://www.jk-sci.com/products/s57c1785505 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db5ad2c292d19a4950770dcca21d072.jpg?v=1791728976 8-Hydroxyquinoline-3-carboxylic acid, 99.90% | 911109-16-5 8-Hydroxyquinoline-3-carboxylic acid|C1785505|911109-16-5 https://www.jk-sci.com/products/s57c1827591 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_50acd2e6-e521-4702-bfc4-5cfa6946e438.png?v=1791728677 Insulin Glulisine | 207748-29-6 Insulin Glulisine|C1827591|207748-29-6 https://www.jk-sci.com/products/s57c1881292 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/856303eb214adad5ac9ede415626eaf1.jpg?v=1791728508 Neratinib Impurity N1, Purity: 99.7% | 848139-78-6 Neratinib Impurity N1|C1881292|848139-78-6 https://www.jk-sci.com/products/s57c1916116 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160263.png?v=1791728300 Norclomipramine hydrochloride, Purity>95% | 303-48-0 Norclomipramine hydrochloride|C1916116|303-48-0 https://www.jk-sci.com/products/s57c1922177 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441430.png?v=1791728193 1-Bromo-1-propene (cis- and trans- mixture), 97.90% | 590-14-7 1-Bromo-1-propene (cis- and trans- mixture)|C1922177|590-14-7 https://www.jk-sci.com/products/s57c3d-25830 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321860.png?v=1791727926 N-Methyl-tert-butylamine, Purity: 100.0% | 14610-37-8 N-Methyl-tert-butylamine|C3D-25830|14610-37-8 https://www.jk-sci.com/products/s57c3d-25838 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602469_0ad8b3b4-124c-49cb-9759-7138d4997eb4.png?v=1791727918 1,4-Bis(trimethylsilyl)buta-1,3-diyne, 98.90% | 4526-07-2 1,4-Bis(trimethylsilyl)buta-1,3-diyne|C3D-25838|4526-07-2 https://www.jk-sci.com/products/s57c3d-25852 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4ea7b6b33e828a45254977227f441aa_8081f7a7-4ab7-4702-8cf2-fe9e7f10ad7d.jpg?v=1791727908 2,2'-dithiobis[N-methylbenzamide], 97.60% | 2527-58-4 2,2'-dithiobis[N-methylbenzamide]|C3D-25852|2527-58-4 https://www.jk-sci.com/products/s57c3d-26084 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619241.png?v=1791727759 3′-Sialyllactose, Purity: 100.0% | 35890-38-1 3′-Sialyllactose|C3D-26084|35890-38-1 https://www.jk-sci.com/products/s57c3d-2825 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536994_298a6159-e7be-4fe1-98a1-d2297b6ef435.png?v=1791727597 Fmoc-Arg(Pbf)-OH, 96.60% | 154445-77-9 Fmoc-Arg(Pbf)-OH|C3D-2825|154445-77-9 https://www.jk-sci.com/products/s57c3d-3295 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358337_913e5e9a-25dd-4f7b-8f9a-8515256324a4.png?v=1791727478 L-Homoarginine, Purity: 96.2% | 156-86-5 L-Homoarginine|C3D-3295|156-86-5 https://www.jk-sci.com/products/s57c3d-3646 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333144_8fc57037-445e-413d-9cfc-e9a36ca0acdb.png?v=1791727360 4-Cyanobenzyl Bromide, Purity: 98.4% | 17201-43-3 4-Cyanobenzyl Bromide|C3D-3646|17201-43-3 https://www.jk-sci.com/products/s57c3d-4332 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2afe980b930befbdf7ed879f946a039.jpg?v=1791727197 17alpha-Hydroxy Progesterone-d8, Purity>95% | 850023-80-2 17alpha-Hydroxy Progesterone-d8|C3D-4332|850023-80-2 https://www.jk-sci.com/products/s57c3d-5696 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c48106a63a76fedbdc37362172edf56_a4708cf4-51ab-4d0f-a58f-ed8413730b98.jpg?v=1791726855 Tripalmitin, 82.50% | 555-44-2 Tripalmitin|C3D-5696|555-44-2 https://www.jk-sci.com/products/s57c3d-5938 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fbc23be5776ab08bd7a45ea03cae399.jpg?v=1791726754 N1,N3-dip-tolylbenzene-1,3-diamine, Purity: 100.0% | 620-49-5 N1,N3-dip-tolylbenzene-1,3-diamine|C3D-5938|620-49-5 https://www.jk-sci.com/products/s57c4x-103248 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dc985066-8351-4592-b443-e37e03d031b2.png?v=1791725743 Mirabegron Impurity 48, 98.90% Mirabegron Impurity 48|C4X-103248 https://www.jk-sci.com/products/s57c4x-10418 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248641.png?v=1791725587 Lorazepam Impurity 8, 99.80% | 2848-96-6 Lorazepam Impurity 8|C4X-10418|2848-96-6 https://www.jk-sci.com/products/s57c4x-104920 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de16865f7317b25b671072d81ef76575.jpg?v=1791725459 Saxagliptin Impurity 20, 97.30% | 1564266-79-0 Saxagliptin Impurity 20|C4X-104920|1564266-79-0 https://www.jk-sci.com/products/s57c4x-10514 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8e21a897fdb24f99cbee0fa007bc282.jpg?v=1791725408 Diclofenac EP Impurity F, 99.10% | 560075-65-2 Diclofenac EP Impurity F|C4X-10514|560075-65-2 https://www.jk-sci.com/products/s57c4x-106368 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522914.png?v=1791724961 Edoxaban Impurity 68, 94.90% | 17899-48-8 Edoxaban Impurity 68|C4X-106368|17899-48-8 https://www.jk-sci.com/products/s57c4x-226729 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_178f26a3-8a7b-4e63-843d-305965536260.png?v=1791709946 Emedastine Impurity 29, 97.40% Emedastine Impurity 29|C4X-226729 https://www.jk-sci.com/products/s57c4x-1079118 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0bc27e934ec8cae56aba26f7d600ab3.jpg?v=1791724289 Tofacitinib Impurity 118, 99.50% | 1615709-89-1 Tofacitinib Impurity 118|C4X-1079118|1615709-89-1 https://www.jk-sci.com/products/s57c4x-108290 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0547fc4f812bc39bd7da92f6556e9021.jpg?v=1791724081 L-Arginine, α-Methyl-4-(2-Methylpropyl)benzeneacetate, 98.60% | 57469-82-6 L-Arginine, α-Methyl-4-(2-Methylpropyl)benzeneacetate|C4X-108290|57469-82-6 https://www.jk-sci.com/products/s57c4x-25537 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252290_17a9bfa1-5bd5-4c1a-888c-2086a470a769.png?v=1791708819 (S)-(+)-3-Chloro-1,2-propanediol, 93.30% | 60827-45-4 (S)-(+)-3-Chloro-1,2-propanediol|C4X-25537|60827-45-4 https://www.jk-sci.com/products/s57c4x-13006 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499328_1f76f6d0-40ed-44a2-90e5-3bfc5e33259f.png?v=1791719545 Tacrolimus EP Impurity A, 88.60% | 104987-12-4 Tacrolimus EP Impurity A|C4X-13006|104987-12-4 https://www.jk-sci.com/products/s57c4x-131253 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813712.png?v=1791719435 Pregabalin Impurity 53, 95.40% | 61312-87-6 Pregabalin Impurity 53|C4X-131253|61312-87-6 https://www.jk-sci.com/products/s57c4x-138611 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257157.png?v=1791718338 Raltitrexed, 91.50% | 112887-68-0 Raltitrexed|C4X-138611|112887-68-0 https://www.jk-sci.com/products/s57c4x-13945 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570747.png?v=1791718205 Bifonazole EP Impurity C(Clotrimazole EP Impurity D), 94.20% | 288-32-4 Bifonazole EP Impurity C(Clotrimazole EP Impurity D)|C4X-13945|288-32-4 https://www.jk-sci.com/products/s57c4x-139518 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619f48915ff14eef00c3ce4222ce5427.jpg?v=1791718200 D-Folic Acid, 91.60% | 65165-91-5 D-Folic Acid|C4X-139518|65165-91-5 https://www.jk-sci.com/products/s57c4x-165015 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615009_2d0db3f2-2cc8-4735-a73c-dcf854aece01.png?v=1791715303 Fluticasone Propionate EP Impurity A, purity：99.72% | 65429-42-7 Fluticasone Propionate EP Impurity A|C4X-165015|65429-42-7 https://www.jk-sci.com/products/s57c1133889 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129123.png?v=1791730161 3′-nitroacetanilide, 97.70% | 122-28-1 3′-nitroacetanilide|C1133889|122-28-1 https://www.jk-sci.com/products/s57c1425092 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235083.png?v=1791729686 1-(4-Hydroxy-3-methoxyphenyl)propan-1-one, Purity: 100.0% | 1835-14-9 1-(4-Hydroxy-3-methoxyphenyl)propan-1-one|C1425092|1835-14-9 https://www.jk-sci.com/products/s57c1718384 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97afe485925f7e1bacf6b97d9655957c.jpg?v=1791729081 4-Chloro-2-ethoxypyrimidine, 98.40% | 92520-02-0 4-Chloro-2-ethoxypyrimidine|C1718384|92520-02-0 https://www.jk-sci.com/products/s57c1823822 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38161fea530914bb88e281a3b74f8640.jpg?v=1791728738 2,4-Dichloro-5-fluoropyrimidine, 98.40% | 2927-71-1 2,4-Dichloro-5-fluoropyrimidine|C1823822|2927-71-1 https://www.jk-sci.com/products/ts246cs-0096443 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d3cc0224abc3384c8e431cc74ce1317.jpg?v=1791668082 5-Bromo-3,7-dimethyl-1H-indazole, 97% | 1031417-71-6 5-Bromo-3,7-dimethyl-1H-indazole|CS-0096443|1031417-71-6 https://www.jk-sci.com/products/s57c1823925 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347507_8e974b87-497d-48dd-844e-f8a086a332ea.png?v=1791728731 Fluorouracil Impurity N1, 98.90% | 5329-33-9 Fluorouracil Impurity N1|C1823925|5329-33-9 https://www.jk-sci.com/products/s57c4x-26233 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109099_e4b4e092-b171-4a6a-828c-b1a861ce9f58.png?v=1791708652 Procaine Impurity 3, 99.00% | 619-19-2 Procaine Impurity 3|C4X-26233|619-19-2 https://www.jk-sci.com/products/s57c1889191 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebc0029e3c50ab197ae783fa817744f4.jpg?v=1791728453 Pitolisant Hydrochloride, 98.90% | 903576-44-3 Pitolisant Hydrochloride|C1889191|903576-44-3 https://www.jk-sci.com/products/s57c1924351 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258475.png?v=1791728162 Ethyl 4-aminobutanoate hydrochloride, 96.00% | 6937-16-2 Ethyl 4-aminobutanoate hydrochloride|C1924351|6937-16-2 https://www.jk-sci.com/products/s57c3d-1999 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406841.png?v=1791728038 2-Bromothiophene, Purity: 100.0% | 1003-09-4 2-Bromothiophene|C3D-1999|1003-09-4 https://www.jk-sci.com/products/s57c3d-2149 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318353.png?v=1791728018 4-Methyl-1-piperazinecarbonyl chloride hydrochloride, 96.50% | 55112-42-0 4-Methyl-1-piperazinecarbonyl chloride hydrochloride|C3D-2149|55112-42-0 https://www.jk-sci.com/products/s57c3d-2448 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375940.png?v=1791727956 4-Chloroanisole, 98.90% | 623-12-1 4-Chloroanisole|C3D-2448|623-12-1 https://www.jk-sci.com/products/s57c3d-26042 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268790.png?v=1791727771 Tetrazole, 94.90% | 288-94-8 Tetrazole|C3D-26042|288-94-8 https://www.jk-sci.com/products/s57c3d-262569 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46eabc1f3168f76c05a66f6611b2188d.jpg?v=1791727680 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 88.20% | 287944-16-5 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|C3D-262569|287944-16-5 https://www.jk-sci.com/products/s57c3d-3157 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556817_b55b3d89-274b-4e3a-aa65-175410358b3f.png?v=1791727538 Isoacteoside, Purity: 99.4% | 61303-13-7 Isoacteoside|C3D-3157|61303-13-7 https://www.jk-sci.com/products/s57c3d-3267 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439678.png?v=1791727481 Sucrose Octasulfate Potassium Salt, 94.50% | 73264-44-5 Sucrose Octasulfate Potassium Salt|C3D-3267|73264-44-5 https://www.jk-sci.com/products/s57c3d-5000 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303179_b8038807-e063-4a95-b7ec-b028dcaafced.png?v=1791727048 Trimethylphosphate, 99.50% | 512-56-1 Trimethylphosphate|C3D-5000|512-56-1 https://www.jk-sci.com/products/s57c3d-5612 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e9df5c7075303c6c991911a1e63e377.jpg?v=1791726888 N-cyclopentylcyclohexanamine, Purity: 100.0% | 40649-25-0 N-cyclopentylcyclohexanamine|C3D-5612|40649-25-0 https://www.jk-sci.com/products/s57c4x-101728 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23e9cc9e-bc7d-4240-94b8-6334317c03df.png?v=1791726215 Vardenafil Impurity 28, 99.40% Vardenafil Impurity 28|C4X-101728 https://www.jk-sci.com/products/s57c4x-10204 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5261da4099ced8e1d0f34416e40804.jpg?v=1791726064 Vonoprazan Impurity 4, 99.60% | 1807642-39-2 Vonoprazan Impurity 4|C4X-10204|1807642-39-2 https://www.jk-sci.com/products/s57c4x-102043 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c89c6e69b6b5877584b81689791f4a62.jpg?v=1791726063 Vonoprazan Impurity 43, 97.70% | 2169271-28-5 Vonoprazan Impurity 43|C4X-102043|2169271-28-5 https://www.jk-sci.com/products/s57c4x-105822 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407698_6f33fd70-2eae-4f59-a601-000202ae062f.png?v=1791725124 1-Adamantanamine Hydrochloride, 99.60% | 665-66-7 1-Adamantanamine Hydrochloride|C4X-105822|665-66-7 https://www.jk-sci.com/products/s57c4x-105980 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3f026f65-fd82-45fa-8997-b323cbaa267d.png?v=1791725070 N-Nitroso Cinacalcet Impurity 9, Purity: 95.0% N-Nitroso Cinacalcet Impurity 9|C4X-105980 https://www.jk-sci.com/products/s57c4x-106015 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf7735e32a0d557db29e2638494d2fc_7ba95ab3-f979-4d14-a8b3-630de2ddf77d.jpg?v=1791725060 Bromhexine Impurity 15, 98.20% | 2724689-57-8 Bromhexine Impurity 15|C4X-106015|2724689-57-8 https://www.jk-sci.com/products/s57c4x-108423 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57aa46cba1224c9f008b609db263339a.jpg?v=1791724004 Roflumilast impurity 23, 99.60% | 1369817-76-4 Roflumilast impurity 23|C4X-108423|1369817-76-4 https://www.jk-sci.com/products/s57c4x-10851 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153207.png?v=1791723969 Ambroxol EP Impurity A(Bromhexine EP Impurity A), 96.80% | 50739-76-9 Ambroxol EP Impurity A(Bromhexine EP Impurity A)|C4X-10851|50739-76-9 https://www.jk-sci.com/products/s57c4x-108737 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120888.png?v=1791723872 Tadalafil Impurity 37, 100.00% | 171489-59-1 Tadalafil Impurity 37|C4X-108737|171489-59-1 https://www.jk-sci.com/products/s57c4x-109721 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4109217f9f150e1277ae373947f66008.jpg?v=1791723355 Olmesartan Impurity 21, 94.40% | 172875-98-8 Olmesartan Impurity 21|C4X-109721|172875-98-8 https://www.jk-sci.com/products/ts246cs-0096454 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d04dbdc88810c0a2d52054c89d7a66d.jpg?v=1791668072 6-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 97% | 1581754-84-8 6-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one|CS-0096454|1581754-84-8 https://www.jk-sci.com/products/s57c4x-112315 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/872ec0a13a0e98ea8c1cdd152c5fee5a.jpg?v=1791722563 Canagliflozin Impurity 15, 98.20% | 1830346-16-1 Canagliflozin Impurity 15|C4X-112315|1830346-16-1 https://www.jk-sci.com/products/s57c4x-112836 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295215_607c656f-a503-4e95-987f-4b0e49e792fc.png?v=1791722431 Sildenafil Impurity 36, 99.00% | 139756-00-6 Sildenafil Impurity 36|C4X-112836|139756-00-6 https://www.jk-sci.com/products/s57c4x-112936 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a594a128-9db9-48e3-bbfa-d64c76612a3b.png?v=1791722386 Arbidol Impurity 36, 98.10% Arbidol Impurity 36|C4X-112936 https://www.jk-sci.com/products/s57c4x-124448 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61ad995a93ba12733e00e4c418a54479.jpg?v=1791720008 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8, Purity>95% | 1189866-35-0 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8|C4X-124448|1189866-35-0 https://www.jk-sci.com/products/s57c4x-124827 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e0e493bc-6f59-44a5-9a64-ea6fe015bf32.png?v=1791719903 Valaciclovir EP Impurity J(hydrochloride), 94.50% Valaciclovir EP Impurity J(hydrochloride)|C4X-124827 https://www.jk-sci.com/products/s57c4x-126743 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c325574-2bd4-4534-ae7b-7f192a9b9a11.png?v=1791719700 Ixazomib Impurity 43, Purity: 93.2% Ixazomib Impurity 43|C4X-126743 https://www.jk-sci.com/products/s57c4x-129828 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_abe86b7f-9f1c-46f5-8411-ee41334d042b.png?v=1791719583 Dobutamine Impurity 28 (Mixture of Diastereomers), Purity: 98.0% Dobutamine Impurity 28 (Mixture of Diastereomers)|C4X-129828 https://www.jk-sci.com/products/s57c1068201 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c359ae610f49e3c32c6dc276ba0a526c.jpg?v=1791730260 2-(Aminomethyl)-4-nitrophenol Hydrochloride, 97.20% | 113186-97-3 2-(Aminomethyl)-4-nitrophenol Hydrochloride|C1068201|113186-97-3 https://www.jk-sci.com/products/s57c4x-274916 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8618d314665622ffd21c2dba4391a43a.jpg?v=1791708591 Apalutamide Impurity 16, 92.60% | 1950587-20-8 Apalutamide Impurity 16|C4X-274916|1950587-20-8 https://www.jk-sci.com/products/s57c1208190 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38b541eb0046aa732cd1a4f14c0c5959.jpg?v=1791730077 Diclofenac Impurity N1, 98.20% | 131023-43-3 Diclofenac Impurity N1|C1208190|131023-43-3 https://www.jk-sci.com/products/s57c1309331 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127487.png?v=1791729914 3-Bromopyrazole, 97.70% | 14521-80-3 3-Bromopyrazole|C1309331|14521-80-3 https://www.jk-sci.com/products/s57c1310898 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/836251143f98a2a905a4d5b40cbeeb78.jpg?v=1791729903 Mastoparan 17 | 145854-61-1 Mastoparan 17|C1310898|145854-61-1 https://www.jk-sci.com/products/s57c1344201 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd9f9aff8d7161c87420fe10980dffe8.jpg?v=1791729819 1-(2,4-Dichloro-3-methylphenyl)ethanone, 98.80% | 157652-32-9 1-(2,4-Dichloro-3-methylphenyl)ethanone|C1344201|157652-32-9 https://www.jk-sci.com/products/s57c1595015 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39840f64efc499f0c5362ae87fb7e4bb.jpg?v=1791729387 Bis(2-aminophenyl) Sulfide, 99.90% | 5873-51-8 Bis(2-aminophenyl) Sulfide|C1595015|5873-51-8 https://www.jk-sci.com/products/s57c1713260 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108be8d75730d64008dea836d80ce731.jpg?v=1791729094 4-Aminopiperidine-4-carboxylic Acid, 97.70% | 40951-39-1 4-Aminopiperidine-4-carboxylic Acid|C1713260|40951-39-1 https://www.jk-sci.com/products/s57c1716970 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556695.png?v=1791729089 4-Bromo-N-phenylaniline, Purity: 100.0% | 54446-36-5 4-Bromo-N-phenylaniline|C1716970|54446-36-5 https://www.jk-sci.com/products/s57c1817683 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250012.png?v=1791728765 Ethyl 4-[(aminocarbonothioyl)amino]benzoate, 92.70% | 23051-16-3 Ethyl 4-[(aminocarbonothioyl)amino]benzoate|C1817683|23051-16-3 https://www.jk-sci.com/products/s57c1872752 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68ddfb747b7785f4374c598f25f75861.jpg?v=1791728545 Triacetic Acid impurity 01, 91.40% | 6943-40-4 Triacetic Acid impurity 01|C1872752|6943-40-4 https://www.jk-sci.com/products/s57c1885879 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9c6735d3a85f7d835570fd23b5ae24.jpg?v=1791728485 O,O-Dityrosine, 91.30% | 980-21-2 O,O-Dityrosine|C1885879|980-21-2 https://www.jk-sci.com/products/s57c1911404 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a250ff055ddb5de7b8d23f90de3fce17.jpg?v=1791728347 Vitamin B6 Impurity 13, Purity: 100.0% | 23460-73-3 Vitamin B6 Impurity 13|C1911404|23460-73-3 https://www.jk-sci.com/products/s57c1919641 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360452.png?v=1791728256 N-Nitroso-D,L-pipecolic Acid, 99.40% | 4515-18-8 N-Nitroso-D,L-pipecolic Acid|C1919641|4515-18-8 https://www.jk-sci.com/products/s57c3d-25906 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_788ad33b-b9e2-4026-a6ed-b53c420feee0.png?v=1791727863 Suplatast Tosylate-D5, Purity: 98.3% Suplatast Tosylate-D5|C3D-25906 https://www.jk-sci.com/products/s57c3d-262658 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c03b856da59dff463e0de7eac74df2c3.jpg?v=1791727675 PBT Impurity 58, 98.30% | 210566-88-4 PBT Impurity 58|C3D-262658|210566-88-4 https://www.jk-sci.com/products/s57c3d-4773 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597611.png?v=1791727081 2,3-Dihydroxybenzoic Acid, 96.20% | 303-38-8 2,3-Dihydroxybenzoic Acid|C3D-4773|303-38-8 https://www.jk-sci.com/products/s57c4x-10203 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d52f42135e0fc790c7d3587812bdefe2.jpg?v=1791726076 Vonoprazan Fumarate Impurity 3, 100.00% | 881674-56-2 Vonoprazan Fumarate Impurity 3|C4X-10203|881674-56-2 https://www.jk-sci.com/products/s57c4x-1051 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588527.png?v=1791725426 Diclofenac sodium, 99.80% | 15307-79-6 Diclofenac sodium|C4X-1051|15307-79-6 https://www.jk-sci.com/products/s57c4x-105547 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1be8a77397835315a408e8b780bba8ac_3b96231f-ed95-481e-a9a8-67ad2a4fb89c.jpg?v=1791725285 Topiroxostat Impurity 47, 99.90% | 93-60-7 Topiroxostat Impurity 47|C4X-105547|93-60-7 https://www.jk-sci.com/products/s57c4x-105913 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c2bb5131424ed1276f1ffff8a30293e.jpg?v=1791725101 Cinacalcet Impurity 13, 99.40% | 2074615-22-6 Cinacalcet Impurity 13|C4X-105913|2074615-22-6 https://www.jk-sci.com/products/s57c4x-1087162 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2730afb3-2423-409f-9714-4a01e2fdcae2.png?v=1791723895 Tadalafil Impurity 162, 92.30% Tadalafil Impurity 162|C4X-1087162 https://www.jk-sci.com/products/s57c4x-11489 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5676abffa6aae89f540a820d82c80b7d.jpg?v=1791721635 Amoxicillin EP Impurity J(Mixture), 89.80% | 73590-06-4 Amoxicillin EP Impurity J(Mixture)|C4X-11489|73590-06-4 https://www.jk-sci.com/products/s57c4x-131288 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256774_344d2434-356c-4359-a1ea-0c53e5a5850a.png?v=1791719412 (+)-Citronellal, Purity: 92.2% | 2385-77-5 (+)-Citronellal|C4X-131288|2385-77-5 https://www.jk-sci.com/products/s57c4x-13665 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502667.png?v=1791718626 Voriconazole EP Impurity E(Voriconazole Related Compound F), 99.20% | 5872-08-2 Voriconazole EP Impurity E(Voriconazole Related Compound F)|C4X-13665|5872-08-2 https://www.jk-sci.com/products/s57c4x-138910 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c88e73fb3895f1659e22be984ba71bb0.jpg?v=1791718306 Budesonide EP Impurity J (Mixture of Diastereomers), 98.40% | 313474-59-8 Budesonide EP Impurity J (Mixture of Diastereomers)|C4X-138910|313474-59-8 https://www.jk-sci.com/products/s57c1104990 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_187de5b8-a6b3-4261-8cfa-f3c9c84d24b7.png?v=1791730223 rac Demethyl Citalopram-d3 Hydrochloride, Purity>95% rac Demethyl Citalopram-d3 Hydrochloride|C1104990 https://www.jk-sci.com/products/s57c1106603 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7ead1f50619ad124146dda93a826903.jpg?v=1791730219 (S)-4-Oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid, Purity: 99.6% | 1190392-22-3 (S)-4-Oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid|C1106603|1190392-22-3 https://www.jk-sci.com/products/s57c1108736 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce7eeb2958de00c139c4006dfd5e188d.jpg?v=1791730199 Dabrafenib Impurity N6, 99.50% | 1195768-20-7 Dabrafenib Impurity N6|C1108736|1195768-20-7 https://www.jk-sci.com/products/s57c1215380 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be8dd2045cc07b7530233f0920341ff.jpg?v=1791730064 Paclitaxel Impurity N1, 95.20% | 132201-33-3 Paclitaxel Impurity N1|C1215380|132201-33-3 https://www.jk-sci.com/products/s57c1509723 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568334_c4bff8f3-1ea2-4b5f-be4d-e300801624e5.png?v=1791729538 1-(1-Methylpiperidin-4-yl)piperazine, 97.10% | 23995-88-2 1-(1-Methylpiperidin-4-yl)piperazine|C1509723|23995-88-2 https://www.jk-sci.com/products/s57c1606032 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9b7fe94b84aa1dcc1ede19232e990e9_7df33233-9c5d-4093-8b45-5fb072edc57f.jpg?v=1791729325 2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-Methylbenzenesulfonate, 86.30% | 77544-68-4 2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-Methylbenzenesulfonate|C1606032|77544-68-4 https://www.jk-sci.com/products/s57c1774223 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469260_66b0ff0a-2f72-4fac-9ccc-d5a03d2d1cc1.png?v=1791728989 6-Methoxy-8-nitroquinoline, 99.60% | 85-81-4 6-Methoxy-8-nitroquinoline|C1774223|85-81-4 https://www.jk-sci.com/products/s57c1806148 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418989.png?v=1791728796 Trans-9-Octadecenol, 99.60% | 506-42-3 Trans-9-Octadecenol|C1806148|506-42-3 https://www.jk-sci.com/products/s57c1821903 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac69c6102d92321f38a051aaaa15ff30.jpg?v=1791728754 Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate, 99.20% | 5350-94-7 Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate|C1821903|5350-94-7 https://www.jk-sci.com/products/s57c1920837 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216729_b7cbbda1-bccc-4968-bd60-7999a2f001a9.png?v=1791728228 2-Acetamidopyridine, 99.80% | 5231-96-9 2-Acetamidopyridine|C1920837|5231-96-9 https://www.jk-sci.com/products/s57c3d-1837 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298607.png?v=1791728055 L-Alanyl-L-glutamine, 99.00% | 39537-23-0 L-Alanyl-L-glutamine|C3D-1837|39537-23-0 https://www.jk-sci.com/products/s57c4x-27616 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a17dfee9-cb58-433f-b1fe-e08858949ae2.png?v=1791708563 Oxaliplatin EP Impurity E, 96.90% | 82398-34-3 Oxaliplatin EP Impurity E|C4X-27616|82398-34-3 https://www.jk-sci.com/products/s57c3d-3918 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbce8107706e10381231fb802f6557bd.jpg?v=1791727298 Ethyl 2-bromophenylacetate, Purity: 100.0% | 2178-24-7 Ethyl 2-bromophenylacetate|C3D-3918|2178-24-7 https://www.jk-sci.com/products/s57c3d-4508 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e008b7931b764d046bd6bf063a97f3d2.jpg?v=1791727144 N-ethyl-N-(pyridin-4-ylmethyl)nitrous amide (Mixture of Isomers), 96.20% | 13256-23-0 N-ethyl-N-(pyridin-4-ylmethyl)nitrous amide (Mixture of Isomers)|C3D-4508|13256-23-0 https://www.jk-sci.com/products/s57c3d-5040 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3bd3699974bb1a0ede0b3d52405416d.jpg?v=1791727035 4-Chloro-4-methyl-2-Pentanone, 85.60% | 14575-13-4 4-Chloro-4-methyl-2-Pentanone|C3D-5040|14575-13-4 https://www.jk-sci.com/products/s57c3d-5683 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7a8ae842c599d1c3037cf0648596d7d.jpg?v=1791726860 3,5-Dinitro-4-phenoxybenzoic acid, 99.80% | 35138-18-2 3,5-Dinitro-4-phenoxybenzoic acid|C3D-5683|35138-18-2 https://www.jk-sci.com/products/s57c3d-5916 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517072_80f3843f-fcb0-4a8d-824f-a8c944e891bf.png?v=1791726766 2-Mercapto-5-methylbenzimidazole, Purity: 100.0% | 27231-36-3 2-Mercapto-5-methylbenzimidazole|C3D-5916|27231-36-3 https://www.jk-sci.com/products/s57c4x-10013 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/628007_2925d4c6-b46a-4d2e-b245-20eeb14d7ed3.png?v=1791726604 Erythromycin EP Impurity D, 98.90% | 23893-13-2 Erythromycin EP Impurity D|C4X-10013|23893-13-2 https://www.jk-sci.com/products/s57c4x-10029 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21eb97c22362a9f6e430e570a56133db.jpg?v=1791726559 Clarithromycin EP Impurity N, 90.60% | 144604-03-5 Clarithromycin EP Impurity N|C4X-10029|144604-03-5 https://www.jk-sci.com/products/s57c4x-101911 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235221.png?v=1791726171 Fluconazole Impurity 11, 91.60% | 51336-94-8 Fluconazole Impurity 11|C4X-101911|51336-94-8 https://www.jk-sci.com/products/s57c4x-278214 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7228d31f-a498-49ee-a893-fb7f106671f8.png?v=1791708506 Trametinib impurity 14, 96.70% Trametinib impurity 14|C4X-278214 https://www.jk-sci.com/products/s57c4x-102271 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a7fbe57-01aa-4afa-8d14-39d053598e29.png?v=1791725981 Carfilzomib Impurity 71, Purity: 97.3% Carfilzomib Impurity 71|C4X-102271 https://www.jk-sci.com/products/s57c4x-1058 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539051.png?v=1791725136 Memantine, 97.90% | 19982-08-2 Memantine|C4X-1058|19982-08-2 https://www.jk-sci.com/products/s57c4x-106232 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95b7e4218f321c8ac8f21b391c039306.jpg?v=1791725017 Edaravone impurity 32, 90.40% | 852539-02-7 Edaravone impurity 32|C4X-106232|852539-02-7 https://www.jk-sci.com/products/s57c4x-10717 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/555037af8ccb25fc41342447e8ac44ec.jpg?v=1791724603 Axitinib Impurity 7, 98.40% | 944835-85-2 Axitinib Impurity 7|C4X-10717|944835-85-2 https://www.jk-sci.com/products/s57c4x-107497 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_004ba900-bc26-431d-a741-576335f5f322.png?v=1791724426 (S,S)-Moxifloxacin Impurity 97, 97.20% (S,S)-Moxifloxacin Impurity 97|C4X-107497 https://www.jk-sci.com/products/s57c4x-108217 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13074a5002d9fb59976ec719d83d4f6.jpg?v=1791724135 Ibuprofen EP Impurity Q, 92.50% | 36039-35-7 Ibuprofen EP Impurity Q|C4X-108217|36039-35-7 https://www.jk-sci.com/products/s57c4x-1203 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151152_85ed0df1-8867-4e94-afa3-afeaa5ff1388.png?v=1791720707 Bupropion HCl, Purity>95% | 31677-93-7 Bupropion HCl|C4X-1203|31677-93-7 https://www.jk-sci.com/products/s57c4x-120825 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4da51bc286da9588be3d39bf9faf5d5.jpg?v=1791720635 Posaconazole Impurity 25, Purity: 98.9% | 1042398-26-4 Posaconazole Impurity 25|C4X-120825|1042398-26-4 https://www.jk-sci.com/products/s57c4x-130844 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab6cff5805b37cefbfd31d18fbd9cc33.jpg?v=1791719488 Levosimendan Impurity 44, Purity: 95.3% | 63514-63-6 Levosimendan Impurity 44|C4X-130844|63514-63-6 https://www.jk-sci.com/products/s57c4x-135826 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_944ca2bc-cfc9-4dd2-a97a-adcb37a17397.png?v=1791718769 Cefditoren Impurity 26, 90.10% Cefditoren Impurity 26|C4X-135826 https://www.jk-sci.com/products/s57c4x-159052 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cdb5304b-5f77-4ba3-be45-af77ebd5d7fb.png?v=1791715693 Safinamide impurity 52, 93.40% | 100370-27-3 Safinamide impurity 52|C4X-159052|100370-27-3 https://www.jk-sci.com/products/s57c4x-280623 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_89308121-3978-4dee-ab9c-a2d466fb7c6f.png?v=1791708449 ethyl 13-(3-methyl-5-pentylfuran-2-yl)tridecanoate, 95.40% ethyl 13-(3-methyl-5-pentylfuran-2-yl)tridecanoate|C4X-280623 https://www.jk-sci.com/products/s57c1214906 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157478.png?v=1791730071 Xanomeline, 99.60% | 131986-45-3 Xanomeline|C1214906|131986-45-3 https://www.jk-sci.com/products/s57c1236501 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238332_1d8663c2-c11c-4eee-ba01-1ad9b0431bb5.png?v=1791730037 Methyl cis-7,10,13,16-docosatetraenoate, 96.50% | 13487-42-8 Methyl cis-7,10,13,16-docosatetraenoate|C1236501|13487-42-8 https://www.jk-sci.com/products/s57c1500080 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48e3a8bce51e382ea58ebc2ee0343e68.jpg?v=1791729543 (S)-8-(benzyloxy)-5-(2-bromo-1-((tert-butyldimethylsilyl)oxy)ethyl)quinolin-2(1H)-one, Purity: 93.6% | 530084-74-3 (S)-8-(benzyloxy)-5-(2-bromo-1-((tert-butyldimethylsilyl)oxy)ethyl)quinolin-2(1H)-one|C1500080|530084-74-3 https://www.jk-sci.com/products/s57c1705434 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340017_04453a63-26e0-4979-a632-12d6b5d18777.png?v=1791729117 4,4'-Oxydibenzonitrile, 99.60% | 6508-04-9 4,4'-Oxydibenzonitrile|C1705434|6508-04-9 https://www.jk-sci.com/products/s57c4x-284210 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cd9c57d0353ba2914846be4cd70ff47.jpg?v=1791708392 6-Oxo-Estradiol-17-Valerate, 94.40% | 1313382-51-2 6-Oxo-Estradiol-17-Valerate|C4X-284210|1313382-51-2 https://www.jk-sci.com/products/s57c1752095 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153481_bbc6e440-a168-458c-8f53-8b609cb518f4.png?v=1791729027 5-Chloro-2-methylpyridine, Purity: 99.2% | 72093-07-3 5-Chloro-2-methylpyridine|C1752095|72093-07-3 https://www.jk-sci.com/products/s57c1823664 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3b3f9477-ba78-4fa1-8a2b-c469f859776c.png?v=1791728736 Ferric Carboxymaltose, Purity: 90.1% | 9007-72-1 Ferric Carboxymaltose|C1823664|9007-72-1 https://www.jk-sci.com/products/s57c1913342 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559665_0d34d5b7-caee-498e-8e30-c25095c54634.png?v=1791728333 Methyl 3,5-dimethoxybenzoate, 98.60% | 2150-37-0 Methyl 3,5-dimethoxybenzoate|C1913342|2150-37-0 https://www.jk-sci.com/products/s57c1919433 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403090.png?v=1791728256 Tris(dimethylamino)borane, 94.60% | 4375-83-1 Tris(dimethylamino)borane|C1919433|4375-83-1 https://www.jk-sci.com/products/s57c1922020 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129286.png?v=1791728199 tert-Butoxy bis(dimethylamino)methane, Purity: 90.0% | 5815-08-7 tert-Butoxy bis(dimethylamino)methane|C1922020|5815-08-7 https://www.jk-sci.com/products/s57c3d-1998 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449941_bba116e8-58e0-43ef-8bdd-1da95cf82027.png?v=1791728043 N-(4-Nitrobenzoyl)-L-glutamic Acid, 84.00% | 6758-40-3 N-(4-Nitrobenzoyl)-L-glutamic Acid|C3D-1998|6758-40-3 https://www.jk-sci.com/products/s57c3d-26090 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a8a6ac6b0a018b3b423ace0e8a1f004.jpg?v=1791727756 4-(4-Chlorobutoxy)butan-1-ol, 95.00% | 60767-73-9 4-(4-Chlorobutoxy)butan-1-ol|C3D-26090|60767-73-9 https://www.jk-sci.com/products/s57c3d-2805 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573340.png?v=1791727612 DL-Norvaline, 99.10% | 760-78-1 DL-Norvaline|C3D-2805|760-78-1 https://www.jk-sci.com/products/s57c3d-3360 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/532000.png?v=1791727458 2-Cyanopyrimidine, 98.40% | 14080-23-0 2-Cyanopyrimidine|C3D-3360|14080-23-0 https://www.jk-sci.com/products/s57c3d-4700 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373355.png?v=1791727103 2-(2,3-dimethoxyphenyl)ethan-1-amine, 92.80% | 3213-29-4 2-(2,3-dimethoxyphenyl)ethan-1-amine|C3D-4700|3213-29-4 https://www.jk-sci.com/products/s57c4x-284811 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8d1ba43-a7f1-4a42-bb86-5f19d68d08b3.png?v=1791708374 Nabumetone Impurity 11, 97.80% Nabumetone Impurity 11|C4X-284811 https://www.jk-sci.com/products/s57c3d-5512 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608818.png?v=1791726918 2-Hydroxyethanesulphonic acid, 75.50% | 107-36-8 2-Hydroxyethanesulphonic acid|C3D-5512|107-36-8 https://www.jk-sci.com/products/s57c4x-10094 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ef0ab8bb6f5f163beb8de771548dc35.jpg?v=1791726362 Apremilast Impurity 4, 96.50% | 2201974-01-6 Apremilast Impurity 4|C4X-10094|2201974-01-6 https://www.jk-sci.com/products/s57c4x-101225 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c583bd8-121d-4a72-bde9-dc1c32dbd263.png?v=1791726289 Baclofen impurity 25 HBr, 95.20% Baclofen impurity 25 HBr|C4X-101225 https://www.jk-sci.com/products/s57c4x-10291 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea42992533eda3b952bc7858c81f01c6.jpg?v=1791725881 Clopidogrel EP Impurity A HCl, 90.80% | 144750-42-5 Clopidogrel EP Impurity A HCl|C4X-10291|144750-42-5 https://www.jk-sci.com/products/s57c4x-104335 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480624_27c89589-5010-4c3c-a928-d9b82d11c8ce.png?v=1791725566 Celecoxib Impurity 35, Purity: 99.7% | 98-64-6 Celecoxib Impurity 35|C4X-104335|98-64-6 https://www.jk-sci.com/products/s57c4x-2853 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8420d4213913cde5f3201995a9553f81.jpg?v=1791708345 Luliconazole, Purity: 100.0% | 187164-19-8 Luliconazole|C4X-2853|187164-19-8 https://www.jk-sci.com/products/s57c4x-1065177 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7ad2ef67-4ab3-4a46-976d-c48c56effa48.png?v=1791724869 Empagliflozin impurity 177, Purity: 97.0% Empagliflozin impurity 177|C4X-1065177 https://www.jk-sci.com/products/s57c4x-1079183 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67dace9cd78a9df1133faf50337cd0c2.jpg?v=1791724274 Tofacitinib Impurity 183, Purity: 99.8% | 115093-90-8 Tofacitinib Impurity 183|C4X-1079183|115093-90-8 https://www.jk-sci.com/products/s57c4x-112931 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17d33c26-ff1b-4f4f-99f1-68e47b33c932.png?v=1791722387 Arbidol Impurity 31, 97.80% Arbidol Impurity 31|C4X-112931 https://www.jk-sci.com/products/s57c4x-2863 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfbdb9eb5af0abe55b40de4a966d4298.jpg?v=1791708317 Cocarboxylase Tetrahydrate, 91.70% | 68684-55-9 Cocarboxylase Tetrahydrate|C4X-2863|68684-55-9 https://www.jk-sci.com/products/s57c4x-113038 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8493113a-3579-4247-bb05-2019e8519973.png?v=1791722317 Ilaprazole Dimer Impurity 38 Iodized Salt, 95.60% Ilaprazole Dimer Impurity 38 Iodized Salt|C4X-113038 https://www.jk-sci.com/products/s57c4x-2880146 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3f2ff46b-3b68-473a-add4-2be1566bd3dc.png?v=1791708287 Finerenone Impurity 146, 90.30% Finerenone Impurity 146|C4X-2880146 https://www.jk-sci.com/products/s57c4x-130019 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41fd86274abb3bd6b7a0ec7880ba3304.jpg?v=1791719552 Tacrolimus EP Impurity G, 99.30% | 144490-63-1 Tacrolimus EP Impurity G|C4X-130019|144490-63-1 https://www.jk-sci.com/products/s57c4x-137110 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df12e2f4b6123836535990ba13c69f8.jpg?v=1791718535 Levofloxacin Impurity 10, 95.00% | 177472-30-9 Levofloxacin Impurity 10|C4X-137110|177472-30-9 https://www.jk-sci.com/products/s57c4x-151913 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb05ef08a2fe6d60fb81cf4572bfc89a.jpg?v=1791716231 Propranolol Impurity 13, 95.30% | 1236367-67-1 Propranolol Impurity 13|C4X-151913|1236367-67-1 https://www.jk-sci.com/products/s57c1050640 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c99d37ee7178f868d1ac8be24be992b9_43fe2662-e21d-47c9-a2ef-f957a3d119d5.jpg?v=1791730309 Methyl 1-methyl-1H-indole-3-carboxylate, 99.70% | 108438-43-3 Methyl 1-methyl-1H-indole-3-carboxylate|C1050640|108438-43-3 https://www.jk-sci.com/products/s57c1349312 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06cf98b894edad6ce4af31b2a523a5a4.jpg?v=1791729796 Insulin Glargine | 160337-95-1 Insulin Glargine|C1349312|160337-95-1 https://www.jk-sci.com/products/s57c4x-288035 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ceb3b946ccb3b6839fa5e9720c12e727.jpg?v=1791708272 Finerenone Impurity 35, 97.70% | 1545905-35-8 Finerenone Impurity 35|C4X-288035|1545905-35-8 https://www.jk-sci.com/products/s57c1384630 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03e3cda526278904e9a1623c612277d8.jpg?v=1791729719 Mesalazine EP Impurity J HCl, 92.70% | 177960-41-7 Mesalazine EP Impurity J HCl|C1384630|177960-41-7 https://www.jk-sci.com/products/s57c4x-288091 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f92a178f-3b3b-4cb1-8e2c-725dc1261dc6.png?v=1791708239 Finerenone Impurity 91, 94.60% Finerenone Impurity 91|C4X-288091 https://www.jk-sci.com/products/s57c1489634 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09860e16db49ce547d7a3f078dac2461.jpg?v=1791729589 (E)-N-Hydroxybenzimidoyl chloride, 76.60% | 81745-44-0 (E)-N-Hydroxybenzimidoyl chloride|C1489634|81745-44-0 https://www.jk-sci.com/products/s57c1503136 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64e607dd80f96ca0809767e4ff70a44c.jpg?v=1791729537 (Z)-Phytol, Purity: 100.0% | 5492-30-8 (Z)-Phytol|C1503136|5492-30-8 https://www.jk-sci.com/products/s57c4x-28903 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb7b684c2637e2048b8425816f3e5e3e.jpg?v=1791708212 ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate, 94.70% | 125827-48-7 ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate|C4X-28903|125827-48-7 https://www.jk-sci.com/products/s57c1597170 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/638079e134ee2b90d1f93bcfd615d32f.jpg?v=1791729370 2,3-Dimethyl-2H-indazole, 99.70% | 50407-18-6 2,3-Dimethyl-2H-indazole|C1597170|50407-18-6 https://www.jk-sci.com/products/s57c1661585 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd5a9b6a4472f3e30bc1d2d7ea94dc02_421b2a53-bac5-4a40-959a-2a2d788ee193.jpg?v=1791729212 3,5-Dibromo-1H-pyrazole, 99.10% | 67460-86-0 3,5-Dibromo-1H-pyrazole|C1661585|67460-86-0 https://www.jk-sci.com/products/s57c1717406 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd9abd779cf62c285ab60cd476cbeb40.jpg?v=1791729085 4-Chloropentanoyl Chloride, 99.60% | 63480-12-6 4-Chloropentanoyl Chloride|C1717406|63480-12-6 https://www.jk-sci.com/products/s57c1788270 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38f299005c98f7075f9cbbc6a0996cc7.jpg?v=1791728959 Acetyl tetrapeptide-9(Dermican LS 9837), Purity: 100.0% | 928006-50-2 Acetyl tetrapeptide-9(Dermican LS 9837)|C1788270|928006-50-2 https://www.jk-sci.com/products/s57c1798559 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9823547ba81da05fcf1e16f480e65c4.jpg?v=1791728855 cis-8,11,14-Eicosatrienoic Acid-d6, Purity>95% | 81540-86-5 cis-8,11,14-Eicosatrienoic Acid-d6|C1798559|81540-86-5 https://www.jk-sci.com/products/s57c1806671 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bed90df1877e824bdca0d6f1c36b2d85.jpg?v=1791728778 Ethaverine Hydrochloride, 90.10% | 985-13-7 Ethaverine Hydrochloride|C1806671|985-13-7 https://www.jk-sci.com/products/s57c1822846 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348032.png?v=1791728751 (2S,3aS,7aS)-Ethyl octahydro-1H-indole-2-carboxylate hydrochloride, Purity: 99.1% | 82864-25-3 (2S,3aS,7aS)-Ethyl octahydro-1H-indole-2-carboxylate hydrochloride|C1822846|82864-25-3 https://www.jk-sci.com/products/s57c1829992 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439476.png?v=1791728658 L-Prolyl-L-proline hydrochloride | 76932-06-4 L-Prolyl-L-proline hydrochloride|C1829992|76932-06-4 https://www.jk-sci.com/products/s57c1894154 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214114_67890b39-b1fb-422e-9458-636975964f66.png?v=1791728423 Rupatadine Impurity 4, 94.30% | 3099-31-8 Rupatadine Impurity 4|C1894154|3099-31-8 https://www.jk-sci.com/products/s57c1916857 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313985_e6c65557-b6a9-4b11-a76d-579bb7726dba.png?v=1791728290 4-chloro-acetoaceticacimethylester, 90.80% | 32807-28-6 4-chloro-acetoaceticacimethylester|C1916857|32807-28-6 https://www.jk-sci.com/products/s57c1925302 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/366741_cd039b56-5d4b-42c3-b5f8-6d7a3807d37d.png?v=1791728155 4-Methylmorpholine 4-oxide, 95.40% | 7529-22-8 4-Methylmorpholine 4-oxide|C1925302|7529-22-8 https://www.jk-sci.com/products/s57c3d-2951 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407715_6328d225-a877-455a-9134-f62a425a6209.png?v=1791727556 Tris(Hydroxymethyl)Aminomethane, 99.30% | 77-86-1 Tris(Hydroxymethyl)Aminomethane|C3D-2951|77-86-1 https://www.jk-sci.com/products/s57c3d-5024 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0121ef13691fd09383d9ce7d8ba36d0e.jpg?v=1791727039 1,3-Dibromo-5-methoxybenzene, 99.60% | 74137-36-3 1,3-Dibromo-5-methoxybenzene|C3D-5024|74137-36-3 https://www.jk-sci.com/products/s57c4x-28982 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9d1439ed7f13f118b2b20ee981b50a.jpg?v=1791708184 Buprenorphine Impurity 2, 98.80% | 2136287-63-1 Buprenorphine Impurity 2|C4X-28982|2136287-63-1 https://www.jk-sci.com/products/s57c3d-5139 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323709_103d2cca-af79-4b08-ae6f-3ee775336cc9.png?v=1791727018 2-([1,1'-biphenyl]-4-yl)acetonitrile, 96.70% | 31603-77-7 2-([1,1'-biphenyl]-4-yl)acetonitrile|C3D-5139|31603-77-7 https://www.jk-sci.com/products/s57c3d-5762 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501527.png?v=1791726832 4-Bromophenylacetic Acid, 98.20% | 1878-68-8 4-Bromophenylacetic Acid|C3D-5762|1878-68-8 https://www.jk-sci.com/products/s57c4x-29032 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e9a5faa-f3f6-4cbd-9177-b73724afae7e.png?v=1791708151 Pemafibrate Impurity 2, 90.70% Pemafibrate Impurity 2|C4X-29032 https://www.jk-sci.com/products/s57c4x-1020208 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13e493e17f6722cc6636a8e3c9ee04de.jpg?v=1791726089 Vonoprazan Impurity 207, 97.30% | 2304978-33-2 Vonoprazan Impurity 207|C4X-1020208|2304978-33-2 https://www.jk-sci.com/products/s57c4x-102065 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7982e6418b134022873af311330e972f.jpg?v=1791726042 Vonoprazan Impurity 65, 97.70% | 1610043-62-3 Vonoprazan Impurity 65|C4X-102065|1610043-62-3 https://www.jk-sci.com/products/s57c4x-291514 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2fbd9ed8-a70b-4d91-9da1-6276748de4c4.png?v=1791708124 Letermovir Impurity 14, 93.40% Letermovir Impurity 14|C4X-291514 https://www.jk-sci.com/products/s57c4x-102071 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e075952fd3e5ec6937e4f81acea6c4d.jpg?v=1791726032 Vonoprazan Fumarate Impurity 71, 97.80% | 1060802-18-7 Vonoprazan Fumarate Impurity 71|C4X-102071|1060802-18-7 https://www.jk-sci.com/products/s57c4x-1028 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a11c9128abe2c04380d9ab559b4dc5b.jpg?v=1791725919 Lurasidone HCl, 99.10% | 367514-88-3 Lurasidone HCl|C4X-1028|367514-88-3 https://www.jk-sci.com/products/s57c4x-103232 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48f7372330f953c66151348274bf51d7.jpg?v=1791725757 Mirabegron Impurity 32, Purity: 97.7% | 1310279-36-7 Mirabegron Impurity 32|C4X-103232|1310279-36-7 https://www.jk-sci.com/products/s57c4x-29204 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c3a21a95-f2e6-4252-9aeb-d1ae06211eaf.png?v=1791708104 Probucol Impurity 4, 93.50% Probucol Impurity 4|C4X-29204 https://www.jk-sci.com/products/s57c4x-105465 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd70480c7e7a5abe5cc871cb0f46d4c0.jpg?v=1791725322 Tedizolid Impurity 65, Purity: 98.5% | 380380-60-9 Tedizolid Impurity 65|C4X-105465|380380-60-9 https://www.jk-sci.com/products/s57c4x-29244 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29248c76ddca08a819ed5557cc48cb47.jpg?v=1791708094 Mirogabalin Impurity 4, 96.60% | 344428-05-3 Mirogabalin Impurity 4|C4X-29244|344428-05-3 https://www.jk-sci.com/products/s57c4x-105491 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe28aaa05381f477bf569505d96bf52f.jpg?v=1791725303 Tedizolid Impurity 91, Purity: 100.0% | 1259078-16-4 Tedizolid Impurity 91|C4X-105491|1259078-16-4 https://www.jk-sci.com/products/s57c4x-292464 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e97b4d7f4dc00f19a6a7166915be19fb.jpg?v=1791708076 Mirogabalin Impurity 64, 90.70% | 1644251-71-7 Mirogabalin Impurity 64|C4X-292464|1644251-71-7 https://www.jk-sci.com/products/s57c4x-107423 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93355fa6c07350490745fd389011effc.jpg?v=1791724476 Moxifloxacin Impurity 23, 77.10% | 154093-72-8 Moxifloxacin Impurity 23|C4X-107423|154093-72-8 https://www.jk-sci.com/products/s57c4x-108417 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306658.png?v=1791724012 Roflumilast impurity 17, 98.10% | 151103-09-2 Roflumilast impurity 17|C4X-108417|151103-09-2 https://www.jk-sci.com/products/s57c4x-108543 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332289.png?v=1791723940 Ambroxol Impurity 43, 95.20% | 529-23-7 Ambroxol Impurity 43|C4X-108543|529-23-7 https://www.jk-sci.com/products/s57c4x-108913 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359659f22424308652c0fc4964aad543.jpg?v=1791723767 Dabigatran Impurity 13, 95.60% | 212321-78-3 Dabigatran Impurity 13|C4X-108913|212321-78-3 https://www.jk-sci.com/products/s57c4x-109014 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84f60ec3c28cc827ac18a717251ae638.jpg?v=1791723718 Rivaroxaban EP Impurity I, 99.40% | 1151893-81-0 Rivaroxaban EP Impurity I|C4X-109014|1151893-81-0 https://www.jk-sci.com/products/s57c4x-11218 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e2283ba4fc7e59751c1eb8fad488359.jpg?v=1791722580 Rabeprazole Impurity 8, 97.10% | 935260-92-7 Rabeprazole Impurity 8|C4X-11218|935260-92-7 https://www.jk-sci.com/products/s57c4x-11384 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42dece6577b52d49df32648290c17218.jpg?v=1791721878 Dapagliflozin Impurity 4, 97.60% | 1632287-34-3 Dapagliflozin Impurity 4|C4X-11384|1632287-34-3 https://www.jk-sci.com/products/s57c4x-118310 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/052efdb97533f5c8f5a6f098dd60e40a.jpg?v=1791720989 Terbutaline EP Impurity D (Hydrobromide), 99.00% | 1797117-23-7 Terbutaline EP Impurity D (Hydrobromide)|C4X-118310|1797117-23-7 https://www.jk-sci.com/products/s57c4x-121110 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461780_7b35f6d4-1888-45f8-b0b8-19be5fa9c175.png?v=1791720542 Paracetamol EP Impurity J, 99.10% | 539-03-7 Paracetamol EP Impurity J|C4X-121110|539-03-7 https://www.jk-sci.com/products/s57c4x-138877 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a56663dc9718e8592a0b12e320dd1de9.jpg?v=1791718311 Azacitidine Impurity 77, 99.90% | 2508-81-8 Azacitidine Impurity 77|C4X-138877|2508-81-8 https://www.jk-sci.com/products/s57c4x-29322 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf10b27b3e8d0bce1aee812b54127edf.jpg?v=1791708061 Cyromazine Impurity 2, Purity: 99.9% | 66215-10-9 Cyromazine Impurity 2|C4X-29322|66215-10-9 https://www.jk-sci.com/products/s57c1332619 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2c0a6b410306fcebdd7248f76843e23.jpg?v=1791729853 Ertugliflozin impurity 01, 91.40% | 1528636-39-6 Ertugliflozin impurity 01|C1332619|1528636-39-6 https://www.jk-sci.com/products/s57c1389683 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44752a3b1edf24aa1c9560b465024ea5.jpg?v=1791729708 2,4-Difluoro-3-methoxybenzoic Acid, 97.80% | 178974-97-5 2,4-Difluoro-3-methoxybenzoic Acid|C1389683|178974-97-5 https://www.jk-sci.com/products/s57c1493016 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ccced607b6afd4b57e90c21f976086a_d0acc281-3019-459d-8b2f-b7fa13278768.jpg?v=1791729574 (R)-3-Amino-2-piperidone Hydrochloride, 92.00% | 406216-02-2 (R)-3-Amino-2-piperidone Hydrochloride|C1493016|406216-02-2 https://www.jk-sci.com/products/s57c4x-293712 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94547f820601af6f9face40c42991aa3.jpg?v=1791708056 Abemaciclib Impurity 12, 97.90% | 1627082-92-1 Abemaciclib Impurity 12|C4X-293712|1627082-92-1 https://www.jk-sci.com/products/s57c1548244 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c6c3aae4d2fd9ef41b4aa5153dca3da.jpg?v=1791729453 1-cyclopropyl-7-fluoro-8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 98.00% | 221221-16-5 1-cyclopropyl-7-fluoro-8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid|C1548244|221221-16-5 https://www.jk-sci.com/products/s57c1592438 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e6c68cddf1e1944b91ffa3cf3873241.jpg?v=1791729397 2,2',2''-(benzene-1,3,5-triyl)triacetonitrile, 99.40% | 80935-59-7 2,2',2''-(benzene-1,3,5-triyl)triacetonitrile|C1592438|80935-59-7 https://www.jk-sci.com/products/s57c1593676 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339ec543c732aeb0809edfd8c8d07f6a.jpg?v=1791729392 2,2'-azanediylbis(N-(2,2,2-trifluoroethyl)acetamide) hydrochloride, 91.20% | 2248680-88-6 2,2'-azanediylbis(N-(2,2,2-trifluoroethyl)acetamide) hydrochloride|C1593676|2248680-88-6 https://www.jk-sci.com/products/s57c1699951 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/574328.png?v=1791729128 4-(Bromomethyl)-1,1'-biphenyl, 98.80% | 2567-29-5 4-(Bromomethyl)-1,1'-biphenyl|C1699951|2567-29-5 https://www.jk-sci.com/products/ts246cs-0096465 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78cb07e463a347793484477491651653.jpg?v=1791668062 5-Bromo-4-chloro-1H-indole, 98% | 217656-69-4 5-Bromo-4-chloro-1H-indole|CS-0096465|217656-69-4 https://www.jk-sci.com/products/s57c1719430 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30d51b4dfe32d4b6085055a92053aa08.jpg?v=1791729075 4-Chloro-3-sulfobenzoic acid (Bumetanide Impurity), 90.20% | 755698-62-5 4-Chloro-3-sulfobenzoic acid (Bumetanide Impurity)|C1719430|755698-62-5 https://www.jk-sci.com/products/s57c1912548 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553660_5f91fc4e-a10f-4cf6-8f17-99c2d6fc4678.png?v=1791728339 Sodium Ethanesulfinate, Purity: 100.0% | 20035-08-9 Sodium Ethanesulfinate|C1912548|20035-08-9 https://www.jk-sci.com/products/s57c1926836 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23838ceebf0e1a05160653c10cf1f3bf_593eaa9c-5de5-4f4d-83ac-328e14052fb8.jpg?v=1791728134 3,5-Bis(trifluoromethyl)phenylacetic acid, 99.40% | 85068-33-3 3,5-Bis(trifluoromethyl)phenylacetic acid|C1926836|85068-33-3 https://www.jk-sci.com/products/s57c4x-293724 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_adb9681b-7679-4f65-90c1-d88c9005f745.png?v=1791708038 Abemaciclib Impurity 24, 100.00% Abemaciclib Impurity 24|C4X-293724 https://www.jk-sci.com/products/s57c3d-1889 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529560_fe9c918f-6cd0-4b33-8a49-ec0eeca34c0d.png?v=1791728054 DL-Homocysteinethiolactone Hydrochloride, 98.80% | 6038-19-3 DL-Homocysteinethiolactone Hydrochloride|C3D-1889|6038-19-3 https://www.jk-sci.com/products/s57c3d-2832 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/486916.png?v=1791727583 Fmoc-Ala-OH, Purity: 99.3% | 35661-39-3 Fmoc-Ala-OH|C3D-2832|35661-39-3 https://www.jk-sci.com/products/s57c3d-3758 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7caa7a1e03b8184eeed271fa1aa1bac7.jpg?v=1791727327 1,1-[ethylidenebis(oxy)]dibutane, 98.50% | 871-22-7 1,1-[ethylidenebis(oxy)]dibutane|C3D-3758|871-22-7 https://www.jk-sci.com/products/s57c3d-4699 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/429615.png?v=1791727104 N,N'-Dimethylethylenediamine, 85.40% | 110-70-3 N,N'-Dimethylethylenediamine|C3D-4699|110-70-3 https://www.jk-sci.com/products/s57c4x-103912 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a844cb3418b1a85eeebcfef31f8f434.jpg?v=1791725633 Donepezil quaternary salt(donepezilbenzyl), 99.20% | 844694-85-5 Donepezil quaternary salt(donepezilbenzyl)|C4X-103912|844694-85-5 https://www.jk-sci.com/products/s57c4x-10624 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dba600ecd9b4bdb3977379a8d495cdf.jpg?v=1791725011 Edaravone Impurity 4, 94.80% | 68195-63-1 Edaravone Impurity 4|C4X-10624|68195-63-1 https://www.jk-sci.com/products/s57c4x-1065140 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24da9060edad7ae5cd04da85434aa11e.jpg?v=1791724888 Empagliflozin Impurity 140, 97.30% | 2781890-39-7 Empagliflozin Impurity 140|C4X-1065140|2781890-39-7 https://www.jk-sci.com/products/s57c4x-106823 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d7f46fc2da6a872a0121887f223a729.jpg?v=1791724725 Imatinib-d8, Purity>95% | 1092942-82-9 Imatinib-d8|C4X-106823|1092942-82-9 https://www.jk-sci.com/products/s57c4x-107126 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_888daf17-28ff-4392-a304-d53bfc30c471.png?v=1791724647 Axitinib Impurity 26, 92.50% Axitinib Impurity 26|C4X-107126 https://www.jk-sci.com/products/s57c4x-1079 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1430418_07626694-b55b-47a6-a4ab-e008cc1c554a.png?v=1791724315 Tofacitinib Citrate, 99.80% | 540737-29-9 Tofacitinib Citrate|C4X-1079|540737-29-9 https://www.jk-sci.com/products/s57c4x-108211 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225838.png?v=1791724157 Ibuprofen EP Impurity K, 100.00% | 43153-07-7 Ibuprofen EP Impurity K|C4X-108211|43153-07-7 https://www.jk-sci.com/products/s57c4x-1083 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144800_382d76f8-1b18-486f-92fe-d7b41bda055a.png?v=1791724081 Levocetirizine Dihydrochloride, 99.50% | 130018-87-0 Levocetirizine Dihydrochloride|C4X-1083|130018-87-0 https://www.jk-sci.com/products/s57c4x-109034 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325114_0aa3d485-e5fb-4756-8f50-af058b4e747e.png?v=1791723692 Rivaroxaban Impurity 7(S-isomer), 99.60% | 161596-47-0 Rivaroxaban Impurity 7(S-isomer)|C4X-109034|161596-47-0 https://www.jk-sci.com/products/s57c4x-109225 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591a48331b5f0c197e9c88687682f60b.jpg?v=1791723634 Dronedarone Impurity 25, Purity: 99.2% | 437651-44-0 Dronedarone Impurity 25|C4X-109225|437651-44-0 https://www.jk-sci.com/products/s57c4x-1131133 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7c991e7d2e122d7b16eee42d4b4540f.jpg?v=1791722279 Brexpiprazole Impurity 133, 99.00% | 1268367-99-2 Brexpiprazole Impurity 133|C4X-1131133|1268367-99-2 https://www.jk-sci.com/products/s57c4x-29447 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c839790-8fde-49d6-a45f-9df72207ff19.png?v=1791708024 Polidocanol Impurity 7, 98.30% Polidocanol Impurity 7|C4X-29447 https://www.jk-sci.com/products/s57c4x-126741 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fd4ec89-e16b-491b-9650-b3a1b847ed26.png?v=1791719702 Ixazomib Impurity 41, Purity: 99.7% Ixazomib Impurity 41|C4X-126741 https://www.jk-sci.com/products/s57c4x-127040 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a21fc0aba39bb50678e1a937f5bb3723.jpg?v=1791719665 Cefaclor Impurity 40 HCI, 97.20% | 53483-70-8 Cefaclor Impurity 40 HCI|C4X-127040|53483-70-8 https://www.jk-sci.com/products/s57c4x-134913 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478534.png?v=1791718914 Terazosin EP Impurity M, Purity: 99.9% | 31350-27-3 Terazosin EP Impurity M|C4X-134913|31350-27-3 https://www.jk-sci.com/products/s57c4x-167965 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13b754bd-41e3-4ce6-b133-e7a1a9ff9233.png?v=1791714973 Lidocaine impurity 65, 96.00% Lidocaine impurity 65|C4X-167965 https://www.jk-sci.com/products/s57c1144478 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/868b43f5399a4184539cd43e052a63dc.jpg?v=1791730144 1-[(6-Bromo-3-pyridyl)methyl]-4-ethylpiperazine, 99.40% | 1231930-25-8 1-[(6-Bromo-3-pyridyl)methyl]-4-ethylpiperazine|C1144478|1231930-25-8 https://www.jk-sci.com/products/s57c4x-2978 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257843_083b51a5-04fb-449a-b395-e156d1169acc.png?v=1791708009 Pyronaridine Tetraphosphate, 92.10% | 76748-86-2 Pyronaridine Tetraphosphate|C4X-2978|76748-86-2 https://www.jk-sci.com/products/s57c1424729 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502750_f652146d-3acc-4afe-b27a-8cc1bf2641a6.png?v=1791729693 5-Bromo-7-azaindole, 99.40% | 183208-35-7 5-Bromo-7-azaindole|C1424729|183208-35-7 https://www.jk-sci.com/products/s57c1452754 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c3d7a301f243cfc977509e0230acb5e.jpg?v=1791729643 Atrasentan HCl, 95.00% | 195733-43-8 Atrasentan HCl|C1452754|195733-43-8 https://www.jk-sci.com/products/s57c1491566 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c4d6112ef41a4ad0940ab961b857c23.jpg?v=1791729579 (R)-2-(1-Methyl-2-pyrrolidinyl)ethanol, Purity: 95.0% | 60307-26-8 (R)-2-(1-Methyl-2-pyrrolidinyl)ethanol|C1491566|60307-26-8 https://www.jk-sci.com/products/s57c1532893 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a52d438deaf865487e285915bf22865b.jpg?v=1791729490 1,2-Cyclopentanedione, 95.50% | 3008-40-0 1,2-Cyclopentanedione|C1532893|3008-40-0 https://www.jk-sci.com/products/s57c1797881 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2018aaad2ff5c1d1a8e315cd7b8f3d9f.jpg?v=1791728856 Ciprofibrate EP Impurity E, Purity: 100.0% | 52179-28-9 Ciprofibrate EP Impurity E|C1797881|52179-28-9 https://www.jk-sci.com/products/s57c1878118 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec8530b32c045599e2b97425bddf12b9.jpg?v=1791728527 Naphazoline EP Impurity D Hydrochloride, 99.50% | 6028-15-5 Naphazoline EP Impurity D Hydrochloride|C1878118|6028-15-5 https://www.jk-sci.com/products/s57c1908520 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546560_00ad1f96-ce3c-4f50-82bf-b6470e309d99.png?v=1791728377 Tirapazamine, 96.60% | 27314-97-2 Tirapazamine|C1908520|27314-97-2 https://www.jk-sci.com/products/s57c1917351 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233862.png?v=1791728284 Ethyltrimethylsilane, 99.60% | 3439-38-1 Ethyltrimethylsilane|C1917351|3439-38-1 https://www.jk-sci.com/products/s57c1919246 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/152335_6522fe17-881a-49a7-9c15-6cb6f8f00f65.png?v=1791728262 Sodium 2-bromoethanesulphonate, 96.10% | 4263-52-9 Sodium 2-bromoethanesulphonate|C1919246|4263-52-9 https://www.jk-sci.com/products/s57c1919650 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393361_79338136-c146-4767-9b89-1d78e51eadba.png?v=1791728251 2,3-Diaminopyridine, 96.80% | 452-58-4 2,3-Diaminopyridine|C1919650|452-58-4 https://www.jk-sci.com/products/s57c4x-298852 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae4ac532-1b31-4ac9-b765-558ff2d9d076.png?v=1791707990 Belumosudil Impurity 17 HCl, Purity: 95.7% Belumosudil Impurity 17 HCl|C4X-298852 https://www.jk-sci.com/products/s57c1920972 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b32de50285f4ca0d7c399ec2a7763866.jpg?v=1791728222 2-((2-Ethoxyphenoxy)methyl)oxirane, 96.50% | 5296-35-5 2-((2-Ethoxyphenoxy)methyl)oxirane|C1920972|5296-35-5 https://www.jk-sci.com/products/s57c1932085 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a11fe52e68733efc31de8ddb509bff.jpg?v=1791728078 2,2'-((3-(hexadecyl(2-hydroxyethyl)amino)propyl)azanediyl)bis(ethan-1-ol), 95.20% | 772280-75-8 2,2'-((3-(hexadecyl(2-hydroxyethyl)amino)propyl)azanediyl)bis(ethan-1-ol)|C1932085|772280-75-8 https://www.jk-sci.com/products/s57c3d-1446 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/218c64fee964d36600600f63437b9a4a.jpg?v=1791728073 Penehyclidine Impurity 3, 92.60% | 2091937-84-5 Penehyclidine Impurity 3|C3D-1446|2091937-84-5 https://www.jk-sci.com/products/s57c3d-2518 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554333_f1cd2f9b-6d75-4fef-908c-fe4897d6ff02.png?v=1791727941 Cyclo(-Ala-Glu), 99.10% | 16364-36-6 Cyclo(-Ala-Glu)|C3D-2518|16364-36-6 https://www.jk-sci.com/products/s57c3d-3211 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00fe57387d7920318df1d0ce489cf1f9_9296a695-9527-4baf-a872-4c296070da72.jpg?v=1791727508 5-Bromo-2-benzoxazolinone, Purity: 99.8% | 14733-73-4 5-Bromo-2-benzoxazolinone|C3D-3211|14733-73-4 https://www.jk-sci.com/products/s57c3d-4264 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526318_d321d3ff-8ee6-46ea-b79d-00a071e6c363.png?v=1791727216 D-Mannosamine hydrochloride, 98.40% | 5505-63-5 D-Mannosamine hydrochloride|C3D-4264|5505-63-5 https://www.jk-sci.com/products/s57c3d-4294 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47e536fa083209d4c17c6df8682207ae.jpg?v=1791727202 3-Bromophthalide, 97.90% | 6940-49-4 3-Bromophthalide|C3D-4294|6940-49-4 https://www.jk-sci.com/products/s57c4x-29927 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a47b0aca6120f09a7d3ad1a4971e3fc7.jpg?v=1791707972 Mefatinib Impurity 7, 82.90% | 2225147-32-8 Mefatinib Impurity 7|C4X-29927|2225147-32-8 https://www.jk-sci.com/products/s57c3d-4654 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15f1a0d53492b12c669f8cea8073848c.jpg?v=1791727121 Y27632 Dihydrochloride, Purity: 99.7% | 129830-38-2 Y27632 Dihydrochloride|C3D-4654|129830-38-2 https://www.jk-sci.com/products/s57c3d-6095 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271188.png?v=1791726676 Tert-Butyl carbamate, 99.80% | 4248-19-5 Tert-Butyl carbamate|C3D-6095|4248-19-5 https://www.jk-sci.com/products/s57c4x-102727 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d999224449d65d4a8bbcf1c8082e0f30.jpg?v=1791725926 Rupatadine impurity 27, 70.70% | 2242584-13-8 Rupatadine impurity 27|C4X-102727|2242584-13-8 https://www.jk-sci.com/products/s57c4x-105810 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47a506f9bc52022d10bca928fca173cb.jpg?v=1791725135 Memantine Related Compound I, 92.50% | 80121-67-1 Memantine Related Compound I|C4X-105810|80121-67-1 https://www.jk-sci.com/products/s57c4x-1063100 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e45cb0a8b5baa0a0a4cb0c25b90030cd.jpg?v=1791725000 Edoxaban N-Oxide Monomer Impurity 1, 92.10% | 1974272-82-6 Edoxaban N-Oxide Monomer Impurity 1|C4X-1063100|1974272-82-6 https://www.jk-sci.com/products/s57c4x-107676 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cace49fbdd230fb9cea7620ef824dde_6fdbf353-61db-4937-80d5-f6a8cd321b3e.jpg?v=1791724366 Tenofovir disoproxil Impurity 76, 95.40% | 40510-81-4 Tenofovir disoproxil Impurity 76|C4X-107676|40510-81-4 https://www.jk-sci.com/products/s57c4x-10779 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74ced75febf916aba04bf1ea1ff757b4.jpg?v=1791724326 (1R,3R,4R)-Entecavir, 97.80% | 1367369-76-3 (1R,3R,4R)-Entecavir|C4X-10779|1367369-76-3 https://www.jk-sci.com/products/s57c4x-109511 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7e00748d-34d5-49fd-a883-ac35e91bf717.png?v=1791723530 Amlodipine N-Galactopyranoside (Mixture of Diastereomers), 90.40% Amlodipine N-Galactopyranoside (Mixture of Diastereomers)|C4X-109511 https://www.jk-sci.com/products/s57c4x-301118 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd1ead37caec718ce64c4d74c1e13f51.jpg?v=1791707954 Ertugliflozin impurity 18, 95.50% | 1210344-55-0 Ertugliflozin impurity 18|C4X-301118|1210344-55-0 https://www.jk-sci.com/products/s57c4x-29967 2026-10-11T18:37:06-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404304_175ed6c9-395f-451b-9321-f0105c9e787f.png?v=1791707967 Ethyl 6-hydroxyhexanoate, 92.30% | 5299-60-5 Ethyl 6-hydroxyhexanoate|C4X-29967|5299-60-5