https://www.jk-sci.com/products/s57c4x-202415 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e4d35320eb0c0faf390ae4f9c9ef258.jpg?v=1791711401 Etoposide EP Impurity O, 99.80% | 260974-95-6 Etoposide EP Impurity O|C4X-202415|260974-95-6 https://www.jk-sci.com/products/s57c4x-20243 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35c29754825b88d6e33646439a034b2a.jpg?v=1791711401 Etoposide EP Impurity C, 92.30% | 100007-53-2 Etoposide EP Impurity C|C4X-20243|100007-53-2 https://www.jk-sci.com/products/ts246cs-0102017 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bb9d3975c99732bfae321ebd2eda36d.jpg?v=1791664941 Methyl 5-fluoro-2-formylbenzoate, 97% | 1194374-71-4 Methyl 5-fluoro-2-formylbenzoate|CS-0102017|1194374-71-4 https://www.jk-sci.com/products/s57c4x-20248 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5c3bc2844c8499b87ce37f9b8aaa9b4.jpg?v=1791711395 Etoposide EP Impurity H, 97.20% | 102306-95-6 Etoposide EP Impurity H|C4X-20248|102306-95-6 https://www.jk-sci.com/products/s57c4x-2027 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283569.png?v=1791711390 Proparacaine Hydrochloride, 99.60% | 5875-06-9 Proparacaine Hydrochloride|C4X-2027|5875-06-9 https://www.jk-sci.com/products/ts246cs-0102030 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817126.png?v=1791664926 5-(Aminomethyl)-2-fluorobenzonitrile, 98.00%+ | 368426-86-2 5-(Aminomethyl)-2-fluorobenzonitrile|CS-0102030|368426-86-2 https://www.jk-sci.com/products/ts246cs-0102064 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88f24a2374d6306f88d70623fdcd32ae.jpg?v=1791664895 tert-Butyl 6-amino-7-chloro-3,4-dihydroisoquinoline-2(1H)-carboxylate, 97% | 912846-75-4 tert-Butyl 6-amino-7-chloro-3,4-dihydroisoquinoline-2(1H)-carboxylate|CS-0102064|912846-75-4 https://www.jk-sci.com/products/ts246cs-0102079 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e08ea29c6f5fc9173c8c94a90a7afd4.jpg?v=1791664876 3-(5-(Methoxycarbonyl)-1H-pyrrol-3-yl)propanoic acid, 97% | 202409-05-0 3-(5-(Methoxycarbonyl)-1H-pyrrol-3-yl)propanoic acid|CS-0102079|202409-05-0 https://www.jk-sci.com/products/s57c4x-202717 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_315cd2fb-ba86-4bfa-ba87-b287d5acc1d3.png?v=1791711389 Proparacaine Impurity 17, 90.70% Proparacaine Impurity 17|C4X-202717 https://www.jk-sci.com/products/s57c4x-202723 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2da3f68c-776c-4bf8-b4cb-d42a077fff48.png?v=1791711384 Proparacaine Impurity 23 HCl, 93.00% Proparacaine Impurity 23 HCl|C4X-202723 https://www.jk-sci.com/products/ts246cs-0102087 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2dc8a88e7a59999114d24fed162e143a.jpg?v=1791664859 2-Bromoimidazo[1,2-a]pyridine-7-carboxylic acid, 97% | 1784089-67-3 2-Bromoimidazo[1,2-a]pyridine-7-carboxylic acid|CS-0102087|1784089-67-3 https://www.jk-sci.com/products/s57c4x-202728 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ffd10ed5369905536d06ea48d0bb89a.jpg?v=1791711377 Proparacaine Impurity 28, 98.50% | 78329-81-4 Proparacaine Impurity 28|C4X-202728|78329-81-4 https://www.jk-sci.com/products/ts246cs-0102098 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a649cf03ffbfc30ffcc3116e51ff21e5.jpg?v=1791664835 3-Bromo-5,6,7,8-tetrahydroquinoline, 95% | 82132-68-1 3-Bromo-5,6,7,8-tetrahydroquinoline|CS-0102098|82132-68-1 https://www.jk-sci.com/products/s57c4x-202725 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9510930d25bbb54487b4c4786ab71a5.jpg?v=1791711380 Proparacaine Impurity 25 HCl, 90.20% | 1081544-05-9 Proparacaine Impurity 25 HCl|C4X-202725|1081544-05-9 https://www.jk-sci.com/products/s57c4x-202732 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d986f16e-635e-4127-87f6-3894c70c8397.png?v=1791711372 Proparacaine Impurity 5 HCl, 95.20% Proparacaine Impurity 5 HCl|C4X-202732 https://www.jk-sci.com/products/ts246cs-0102106 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f12436589115dc4f0e4320bea977a6ff.jpg?v=1791664829 4-(Difluoromethyl)pyrimidine-2-carbonitrile, 97.00%+ | 1416821-61-8 4-(Difluoromethyl)pyrimidine-2-carbonitrile|CS-0102106|1416821-61-8 https://www.jk-sci.com/products/ts246cs-0102113 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edfa6fff78681e59a1aaa055b7c6d7ab.jpg?v=1791664814 6-Bromo-2-chloro-3-nitroquinoline, 95% | 754990-23-3 6-Bromo-2-chloro-3-nitroquinoline|CS-0102113|754990-23-3 https://www.jk-sci.com/products/ts246cs-0102132 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52877cf452eea6adc3abfa3a7fe7c8d5.jpg?v=1791664779 Ethyl 6-fluoroimidazo[1,2-a]pyrimidine-3-carboxylate, 97% | 1339176-02-1 Ethyl 6-fluoroimidazo[1,2-a]pyrimidine-3-carboxylate|CS-0102132|1339176-02-1 https://www.jk-sci.com/products/ts246cs-0102138 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63b1e389bf00753ddcbb6cc70acdb8f3.jpg?v=1791664774 (4-Methyl-1H-pyrazol-3-yl)methanol, 97% | 1196041-64-1 (4-Methyl-1H-pyrazol-3-yl)methanol|CS-0102138|1196041-64-1 https://www.jk-sci.com/products/ts246cs-0102142 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8cfb9c7baad690ad02669ce7fa958e4.jpg?v=1791664768 6-Fluoroimidazo[1,2-a]pyrimidine-3-carboxylic acid, 97% | 1339175-93-7 6-Fluoroimidazo[1,2-a]pyrimidine-3-carboxylic acid|CS-0102142|1339175-93-7 https://www.jk-sci.com/products/s57c4x-20275 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4426914-60bf-4a59-bbcb-f026804fe488.png?v=1791711371 Proparacaine Impurity 5 DiHCl, 98.70% Proparacaine Impurity 5 DiHCl|C4X-20275 https://www.jk-sci.com/products/ts246cs-0102145 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a254b747cff67cd332a9af9e33e93407.jpg?v=1791664761 (4-Bromopyridin-3-yl)methanamine hydrochloride, 97% | 1335056-34-2 (4-Bromopyridin-3-yl)methanamine hydrochloride|CS-0102145|1335056-34-2 https://www.jk-sci.com/products/s57c4x-20278 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41ee4839d9a330e91e93505aee202950.jpg?v=1791711362 Proparacaine Impurity 8 HCl, 96.40% | 35288-46-1 Proparacaine Impurity 8 HCl|C4X-20278|35288-46-1 https://www.jk-sci.com/products/s57c4x-202910 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513169_db969b99-fb19-4832-a677-972ff2a313c2.png?v=1791711357 Ebastine Impurity 10, 99.70% | 91-01-0 Ebastine Impurity 10|C4X-202910|91-01-0 https://www.jk-sci.com/products/ts246cs-0102151 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c094a452925adb5923d52decf9a2a543.jpg?v=1791664755 5-Bromo-4-fluoro-N-methyl-2-nitroaniline, 97% | 1356483-97-0 5-Bromo-4-fluoro-N-methyl-2-nitroaniline|CS-0102151|1356483-97-0 https://www.jk-sci.com/products/ts246cs-0102158 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf9b07c7a21b14031e64b642331dac45.jpg?v=1791664749 tert-Butyl (3-bromo-5-iodophenyl)carbamate, 96.34%+ | 915413-42-2 tert-Butyl (3-bromo-5-iodophenyl)carbamate|CS-0102158|915413-42-2 https://www.jk-sci.com/products/ts246cs-0102161 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433597.png?v=1791664743 (5-Methoxy-1H-indol-3-yl)methanamine, 97% | 60523-82-2 (5-Methoxy-1H-indol-3-yl)methanamine|CS-0102161|60523-82-2 https://www.jk-sci.com/products/ts246cs-0102163 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1e7eec63a7cfe8593b5d4c650ef7379.jpg?v=1791664743 (R)-Quinuclidin-3-amine hydrochloride, 95% | 137661-31-5 (R)-Quinuclidin-3-amine hydrochloride|CS-0102163|137661-31-5 https://www.jk-sci.com/products/s57c4x-202913 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ecab81579fa3c3a166ac8eefdfc81b0.jpg?v=1791711352 Ebastine Impurity 13, 98.60% | 97928-34-2 Ebastine Impurity 13|C4X-202913|97928-34-2 https://www.jk-sci.com/products/ts246cs-0102170 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8a02b17315ac35fdb948e50cb252d3e.jpg?v=1791664736 (S)-8-Fluorochroman-4-amine, 95% | 1003887-62-4 (S)-8-Fluorochroman-4-amine|CS-0102170|1003887-62-4 https://www.jk-sci.com/products/s57c4x-20292 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/548470.png?v=1791711349 Ebastine EP Impurity B, 94.40% | 943-27-1 Ebastine EP Impurity B|C4X-20292|943-27-1 https://www.jk-sci.com/products/ts246cs-0102186 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306628.png?v=1791664707 Methyl 5-methoxy-1H-indole-2-carboxylate, 98% | 67929-86-6 Methyl 5-methoxy-1H-indole-2-carboxylate|CS-0102186|67929-86-6 https://www.jk-sci.com/products/s57c4x-202921 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f533785a-5c22-426a-8b20-5448aba76d2d.png?v=1791711346 Epinastine Impurity 21, 99.00% Epinastine Impurity 21|C4X-202921 https://www.jk-sci.com/products/s57c4x-20293 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373773.png?v=1791711344 Ebastine EP Impurity C, 98.90% | 58258-01-8 Ebastine EP Impurity C|C4X-20293|58258-01-8 https://www.jk-sci.com/products/s57c4x-20295 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18dcc18a2d1904b39ebdae047474d94b.jpg?v=1791711339 Ebastine EP Impurity E, 95.10% | 1312211-93-0 Ebastine EP Impurity E|C4X-20295|1312211-93-0 https://www.jk-sci.com/products/s57c4x-20297 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a85ad97551f64d4792081697d42ed1d7_cf538c30-0272-47c7-8497-61793bfab4ab.jpg?v=1791711334 Ebastine EP Impurity G, 93.00% | 1429071-65-7 Ebastine EP Impurity G|C4X-20297|1429071-65-7 https://www.jk-sci.com/products/s57c4x-20299 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522739.png?v=1791711335 Ebastine Impurity 9, 99.90% | 632-50-8 Ebastine Impurity 9|C4X-20299|632-50-8 https://www.jk-sci.com/products/s57c4x-203111 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adbd4245ac0c3d261c6af084aca16acb.jpg?v=1791711323 Revefenacin Impurity 11, 92.60% | 3001303-52-9 Revefenacin Impurity 11|C4X-203111|3001303-52-9 https://www.jk-sci.com/products/ts246cs-0102202 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b37d709efc150089fb0df4c39bd4ba54.jpg?v=1791664679 Methyl 2-(3-bromopyridin-4-yl)acetate, 97% | 162615-12-5 Methyl 2-(3-bromopyridin-4-yl)acetate|CS-0102202|162615-12-5 https://www.jk-sci.com/products/ts246cs-0102212 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295333.png?v=1791664662 7-Nitro-1H-benzo[d]imidazole, 97% | 10597-52-1 7-Nitro-1H-benzo[d]imidazole|CS-0102212|10597-52-1 https://www.jk-sci.com/products/s57c4x-203113 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ef44ebe16718ea5da0f2cd1a06bbe16.jpg?v=1791711318 Revefenacin Impurity 13, 92.30% | 864760-28-1 Revefenacin Impurity 13|C4X-203113|864760-28-1 https://www.jk-sci.com/products/s57c4x-20311 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/585ea74345a2a2c4c2ed6137d19cd7a8.jpg?v=1791711324 Revefenacin Impurity 1, 91.00% | 909800-36-8 Revefenacin Impurity 1|C4X-20311|909800-36-8 https://www.jk-sci.com/products/s57c4x-203118 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a5dcd8e2-d2f9-4e75-9736-26e1ba848523.png?v=1791711315 Revefenacin Impurity 18 HCl, Purity: 99.5% Revefenacin Impurity 18 HCl|C4X-203118 https://www.jk-sci.com/products/ts246cs-0102220 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a228342f28854af41c278fbc83293f7.jpg?v=1791664652 2-Bromo-5-fluoro-3-methylaniline, 97% | 1463053-93-1 2-Bromo-5-fluoro-3-methylaniline|CS-0102220|1463053-93-1 https://www.jk-sci.com/products/ts246cs-0102226 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64cde9338b951f78b67f76fa466c0f99.jpg?v=1791664646 Methyl 6-fluorobenzo[b]thiophene-2-carboxylate, 97% | 550998-52-2 Methyl 6-fluorobenzo[b]thiophene-2-carboxylate|CS-0102226|550998-52-2 https://www.jk-sci.com/products/ts246cs-0102235 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee76eb7c737f24e813e38f0b9e877ed.jpg?v=1791664640 tert-Butyl (4-(4-amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)butyl)carbamate, 95% | 1887095-79-5 tert-Butyl (4-(4-amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)butyl)carbamate|CS-0102235|1887095-79-5 https://www.jk-sci.com/products/s57c4x-203124 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af0ac31a-4c39-4a31-86cf-7514ded8ebf8.png?v=1791711312 Revefenacin Impurity 24, 91.10% Revefenacin Impurity 24|C4X-203124 https://www.jk-sci.com/products/ts246cs-0102290 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5470b9ef04d261816794eae7e055626a.jpg?v=1791664629 (S)-2-(Trifluoromethyl)morpholine hydrochloride, 97% | 1394909-69-3 (S)-2-(Trifluoromethyl)morpholine hydrochloride|CS-0102290|1394909-69-3 https://www.jk-sci.com/products/ts246cs-0102315 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb9cd0d6ae6178be536202aa827c24f3.jpg?v=1791664623 2-(Difluoromethoxy)acetic acid, 98% | 1089695-61-3 2-(Difluoromethoxy)acetic acid|CS-0102315|1089695-61-3 https://www.jk-sci.com/products/ts246cs-0102352 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d4f1bbb7a95afae52af3352cbcde979.jpg?v=1791664617 (5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-8-yl)methanamine, 98% | 185796-74-1 (5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-8-yl)methanamine|CS-0102352|185796-74-1 https://www.jk-sci.com/products/ts246cs-0102389 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289e6de8655704ec69269305d403c64c.jpg?v=1791664609 7-Chloro-6-fluoro-1-(2-isopropyl-4-methyl-3-pyridyl)pyrido[2,3-d]pyrimidine-2,4-dione, 98.00%+ | 2252403-82-8 7-Chloro-6-fluoro-1-(2-isopropyl-4-methyl-3-pyridyl)pyrido[2,3-d]pyrimidine-2,4-dione|CS-0102389|2252403-82-8 https://www.jk-sci.com/products/ts246cs-0102453 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4a3f23256421c5558be78950d2e5ec9.jpg?v=1791664599 2-Bromo-4-chloro-5-nitropyridine, 96% | 1137475-57-0 2-Bromo-4-chloro-5-nitropyridine|CS-0102453|1137475-57-0 https://www.jk-sci.com/products/ts246cs-0102470 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2457920c63d6b80bb1a700a247498787.jpg?v=1791664592 (3,5-Difluoro-2-hydroxyphenyl)boronic acid, 97% | 1150114-51-4 (3,5-Difluoro-2-hydroxyphenyl)boronic acid|CS-0102470|1150114-51-4 https://www.jk-sci.com/products/s57c4x-203142 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93786f24-da7c-4c24-8c8c-0fc2520cdb49.png?v=1791711307 Revefenacin Impurity 12 Formate, 90.20% Revefenacin Impurity 12 Formate|C4X-203142 https://www.jk-sci.com/products/s57c4x-203146 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3ea1aa30-7f04-4a9d-ba82-678d17799961.png?v=1791711301 Revefenacin Impurity 46, 99.50% Revefenacin Impurity 46|C4X-203146 https://www.jk-sci.com/products/s57c4x-203149 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3cb14018-02de-431b-a2a8-ca56eb8acbb3.png?v=1791711301 N-Nitroso Revefenacin Impurity 49, Purity: 90.6% N-Nitroso Revefenacin Impurity 49|C4X-203149 https://www.jk-sci.com/products/ts246cs-0102497 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/357459.png?v=1791664587 5-Methoxy-DL-tryptophan, 98% | 28052-84-8 5-Methoxy-DL-tryptophan|CS-0102497|28052-84-8 https://www.jk-sci.com/products/ts246cs-0102562 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/424262_dfca2f54-1324-4ccd-a1a2-3e6863117307.png?v=1791664572 O-Acetyl-L-serine (hydrochloride), 97% | 66638-22-0 O-Acetyl-L-serine (hydrochloride)|CS-0102562|66638-22-0 https://www.jk-sci.com/products/ts246cs-0102573 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f9866b01ba88aad9b02686eb4775cd3.jpg?v=1791664562 8-Fluoroquinoline-4-carbonitrile, 98% | 949535-30-2 8-Fluoroquinoline-4-carbonitrile|CS-0102573|949535-30-2 https://www.jk-sci.com/products/ts246cs-0102579 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7adfbcde77c4ad90497f93440bf67c8a.jpg?v=1791664558 5-Amino-3-methoxypyrazine-2-carbonitrile, 97% | 1137478-55-7 5-Amino-3-methoxypyrazine-2-carbonitrile|CS-0102579|1137478-55-7 https://www.jk-sci.com/products/ts246cs-0099445 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263546_24dc1c36-94e3-425f-8531-9461fdb3be7f.png?v=1791666330 2-Bromo-5-chloro-1,3-difluorobenzene, 97% | 883546-16-5 2-Bromo-5-chloro-1,3-difluorobenzene|CS-0099445|883546-16-5 https://www.jk-sci.com/products/ts246cs-0101070 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1600492cc7f7bd8a93a1982843f8ee0a.jpg?v=1791665550 2-(2,5-Difluorophenyl)pyrrolidine (R)-2-hydroxysuccinate, 95% | 1919868-77-1 2-(2,5-Difluorophenyl)pyrrolidine (R)-2-hydroxysuccinate|CS-0101070|1919868-77-1 https://www.jk-sci.com/products/ts246cs-0101334 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95f3c3a0f48de840e1c0dd03f9b24a7c.jpg?v=1791665333 7-Bromo-4-fluoro-2,3-dihydro-1H-inden-1-one, 98% | 881189-73-7 7-Bromo-4-fluoro-2,3-dihydro-1H-inden-1-one|CS-0101334|881189-73-7 https://www.jk-sci.com/products/ts246cs-0101450 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25551a9849033189bd12c0ab26e52ce0.jpg?v=1791665266 (4-Bromo-5-methylpyridin-2-yl)methanol, 97% | 820224-83-7 (4-Bromo-5-methylpyridin-2-yl)methanol|CS-0101450|820224-83-7 https://www.jk-sci.com/products/s57c4x-203152 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_058fe5d4-ea06-402a-86d2-e4b14bca4c5d.png?v=1791711295 Revefenacin Impurity 52, 96.90% Revefenacin Impurity 52|C4X-203152 https://www.jk-sci.com/products/ts246cs-0101626 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdfc6a97f035b62b854316fbb62201c6.jpg?v=1791665186 3-(Methylsulfonyl)pyridin-2(1H)-one, 95.00%+ | 1254730-41-0 3-(Methylsulfonyl)pyridin-2(1H)-one|CS-0101626|1254730-41-0 https://www.jk-sci.com/products/s57c4x-20317 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/681f44dde40891511687f6ab59736492.jpg?v=1791711294 Revefenacin Impurity 7, 93.50% | 2975124-11-7 Revefenacin Impurity 7|C4X-20317|2975124-11-7 https://www.jk-sci.com/products/s57c4x-20318 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e94327b8-f094-4667-a954-b8167b185a51.png?v=1791711290 Revefenacin Dimer Impurity 8, Purity: 87.7% Revefenacin Dimer Impurity 8|C4X-20318 https://www.jk-sci.com/products/ts246cs-0101659 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66b125e392cb8b29371477950633eec3.jpg?v=1791665139 (S)-1-(2,6-Dimethoxyphenyl)ethan-1-amine hydrochloride, 97% | 1956437-80-1 (S)-1-(2,6-Dimethoxyphenyl)ethan-1-amine hydrochloride|CS-0101659|1956437-80-1 https://www.jk-sci.com/products/ts246cs-0101693 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1136e11999e491d23e41db2498032196.jpg?v=1791665080 6-(Trifluoromethyl)chroman-4-one, 98% | 1122410-37-0 6-(Trifluoromethyl)chroman-4-one|CS-0101693|1122410-37-0 https://www.jk-sci.com/products/ts246cs-0101791 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9deb54ce7535d7a85f41d4dc6857122b.jpg?v=1791665034 2-Methyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-3-carbaldehyde, 95% | 1267416-89-6 2-Methyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-3-carbaldehyde|CS-0101791|1267416-89-6 https://www.jk-sci.com/products/ts246cs-0102013 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36d34b622b42cb348a41ea51833648b2.jpg?v=1791664945 4-chloro-2-fluoro-6-methylbenzoic acid, 95.06%+ | 1427395-43-4 4-chloro-2-fluoro-6-methylbenzoic acid|CS-0102013|1427395-43-4 https://www.jk-sci.com/products/ts246cs-0102045 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9af289138c0c1291f98f1fbec25571f5.jpg?v=1791664901 2,5-Difluoro-4-methoxybenzoic acid, 97.00%+ | 1060739-01-6 2,5-Difluoro-4-methoxybenzoic acid|CS-0102045|1060739-01-6 https://www.jk-sci.com/products/ts246cs-0102082 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7ca9320f3a892b2320e7fc91abf7475.jpg?v=1791664871 2,6-Dimethoxyaniline hydrochloride, 97.00%+ | 375397-36-7 2,6-Dimethoxyaniline hydrochloride|CS-0102082|375397-36-7 https://www.jk-sci.com/products/s57c4x-20351 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1df8f8e949a352a40a8514f66b7556dd.jpg?v=1791711278 Ciprofibrate EP Impurity A, Purity: 100.0% | 1474058-89-3 Ciprofibrate EP Impurity A|C4X-20351|1474058-89-3 https://www.jk-sci.com/products/s57c4x-20321 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/448071.png?v=1791711285 Acesulfame potassium EP Impurity A, 87.30% | 5977-14-0 Acesulfame potassium EP Impurity A|C4X-20321|5977-14-0 https://www.jk-sci.com/products/s57c4x-20362 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/569233_83a31526-6f63-41e3-abe3-662e1dd8559e.png?v=1791711274 D-Cloprostenol Sodium Salt, 97.80% | 62561-03-9 D-Cloprostenol Sodium Salt|C4X-20362|62561-03-9 https://www.jk-sci.com/products/s57c4x-20367 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/daca689a926b0d3b832d9af5daf162da.jpg?v=1791711269 5-trans-Cloprostenol, 96.60% | 57968-81-7 5-trans-Cloprostenol|C4X-20367|57968-81-7 https://www.jk-sci.com/products/s57c4x-203720 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5df5c893-684d-4b52-81b7-76de612dc432.png?v=1791711262 Bisacodyl impurity 20, 98.60% Bisacodyl impurity 20|C4X-203720 https://www.jk-sci.com/products/s57c4x-203719 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7195190cf91a13cccc8b7017ba8a7418.jpg?v=1791711269 Bisacodyl impurity 19, 97.10% | 3040279-06-6 Bisacodyl impurity 19|C4X-203719|3040279-06-6 https://www.jk-sci.com/products/ts246cs-0102103 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c9a30cfc45e8368e35cb433ef418ce1.jpg?v=1791664829 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine, 97% | 1515866-60-0 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine|CS-0102103|1515866-60-0 https://www.jk-sci.com/products/ts246cs-0102116 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d96dd4e2184cf4794f36369c4fec24f5.jpg?v=1791664809 1-(5-Bromo-4-methylpyridin-2-yl)ethan-1-one, 98% | 1413285-68-3 1-(5-Bromo-4-methylpyridin-2-yl)ethan-1-one|CS-0102116|1413285-68-3 https://www.jk-sci.com/products/s57c4x-20375 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbae71afae9446f61e7ca029b56dc39e.jpg?v=1791711259 Bisacodyl EP Impurity E, 97.90% | 111664-35-8 Bisacodyl EP Impurity E|C4X-20375|111664-35-8 https://www.jk-sci.com/products/ts246cs-0102141 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b7176f33c1e8e36d5f848600549600e.jpg?v=1791664767 5-Bromo-1-methyl-3-(trifluoromethyl)-1H-indazole, 98% | 1784018-72-9 5-Bromo-1-methyl-3-(trifluoromethyl)-1H-indazole|CS-0102141|1784018-72-9 https://www.jk-sci.com/products/ts246cs-0102147 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5584ff81320508b6b656ff1b63889b1a.jpg?v=1791664761 Methyl(2-(trifluoromethyl)phenyl)sulfane, 96% | 322-58-7 Methyl(2-(trifluoromethyl)phenyl)sulfane|CS-0102147|322-58-7 https://www.jk-sci.com/products/ts246cs-0102160 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbbc2d91112eb85e965f7d9c366a7775.jpg?v=1791664743 3-Chloro-4-methylpyridin-2-amine, 97% | 56960-76-0 3-Chloro-4-methylpyridin-2-amine|CS-0102160|56960-76-0 https://www.jk-sci.com/products/ts246cs-0102164 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22db27b655573d353d91cd22bc300a43.jpg?v=1791664736 2,2-Difluoro-1-phenylcyclopropane-1-carboxylic acid, 95% | 156021-07-7 2,2-Difluoro-1-phenylcyclopropane-1-carboxylic acid|CS-0102164|156021-07-7 https://www.jk-sci.com/products/s57c4x-204210 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f176660c625eeb21efb726b1491f96c5.jpg?v=1791711248 Neostigmine EP Impurity A Iodide, 94.00% | 2498-27-3 Neostigmine EP Impurity A Iodide|C4X-204210|2498-27-3 https://www.jk-sci.com/products/s57c4x-20383 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cd0a86e14a0ba0b246ac94cb6431f8f.jpg?v=1791711254 Trospium EP Impurity C, 98.20% | 3464-71-9 Trospium EP Impurity C|C4X-20383|3464-71-9 https://www.jk-sci.com/products/ts246cs-0102190 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26d530fd46572fb0ba6162814beabc3f.jpg?v=1791664702 (S)-6-Fluorochromane-2-carboxylic acid, 95% | 129101-36-6 (S)-6-Fluorochromane-2-carboxylic acid|CS-0102190|129101-36-6 https://www.jk-sci.com/products/ts246cs-0102219 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60f114a14b773c0dea12c2484c9f1381.jpg?v=1791664651 3-Bromo-7-methylimidazo[1,2-a]pyridine-2-carbaldehyde, 97% | 1313712-52-5 3-Bromo-7-methylimidazo[1,2-a]pyridine-2-carbaldehyde|CS-0102219|1313712-52-5 https://www.jk-sci.com/products/ts246cs-0102234 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7d1b90084a4a2c243fd8c0fd635c732.jpg?v=1791664640 5-Bromo-4-fluoro-2-nitrophenol, 97.00%+ | 944805-22-5 5-Bromo-4-fluoro-2-nitrophenol|CS-0102234|944805-22-5 https://www.jk-sci.com/products/s57c4x-204213 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/661ac9d86203e91845b391f83b69a1ce.jpg?v=1791711244 Neostigmine Impurity 13, 99.60% | 4939-59-7 Neostigmine Impurity 13|C4X-204213|4939-59-7 https://www.jk-sci.com/products/ts246cs-0102312 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a64a30b55010c1244ca4b3d196367cbf.jpg?v=1791664623 (R)-Pyrrolidine-2-carbonitrile 2,2,2-trifluoroacetate, 95% | 1523530-11-1 (R)-Pyrrolidine-2-carbonitrile 2,2,2-trifluoroacetate|CS-0102312|1523530-11-1 https://www.jk-sci.com/products/s57c4x-204217 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494565.png?v=1791711245 Neostigmine Impurity 17, 94.20% | 51581-32-9 Neostigmine Impurity 17|C4X-204217|51581-32-9 https://www.jk-sci.com/products/s57c4x-204224 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296579.png?v=1791711235 Neostigmine Impurity 24, Purity: 97.7% | 15799-79-8 Neostigmine Impurity 24|C4X-204224|15799-79-8 https://www.jk-sci.com/products/s57c4x-204226 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a55577ff9a3d5e7f59b1bfcb2dd193d5.jpg?v=1791711235 Neostigmine Impurity 26, 98.00% | 4849-46-1 Neostigmine Impurity 26|C4X-204226|4849-46-1 https://www.jk-sci.com/products/ts246cs-0102387 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5604670a725f64ce9df5d8b512b8f1a2.jpg?v=1791664611 8-Aminoquinolin-7-ol, 97% | 331442-95-6 8-Aminoquinolin-7-ol|CS-0102387|331442-95-6 https://www.jk-sci.com/products/ts246cs-0102468 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fac5eb2848ca3e9ae911b78962417523.jpg?v=1791664592 4-(4-Oxocyclohexyl)phenyl acetate, 95.00%+ | 156139-91-2 4-(4-Oxocyclohexyl)phenyl acetate|CS-0102468|156139-91-2 https://www.jk-sci.com/products/s57c4x-204231 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_55c417d4-80b3-4983-a51f-112cc11a8832.png?v=1791711228 Neostigmine impurity 31, 99.30% Neostigmine impurity 31|C4X-204231 https://www.jk-sci.com/products/s57c4x-204238 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b78deff-906d-4bf9-8fed-5944bb11404e.png?v=1791711225 Neostigmine impurity 38, 88.70% Neostigmine impurity 38|C4X-204238 https://www.jk-sci.com/products/ts246cs-0102525 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229882.png?v=1791664583 AMAS, 95.00%+ | 55750-61-3 AMAS|CS-0102525|55750-61-3 https://www.jk-sci.com/products/ts246cs-0102577 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7570e5733c9fc6b21e879dc2daae0f71.jpg?v=1791664558 Ethyl (2-nitropyridin-3-yl)carbamate, 97% | 55304-91-1 Ethyl (2-nitropyridin-3-yl)carbamate|CS-0102577|55304-91-1 https://www.jk-sci.com/products/ts246cs-0102600 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6925cbe92bc5ce32c1c88c64a5b90ae4.jpg?v=1791664545 7-Bromo-4-methoxy-1H-indazole, 98% | 1337879-62-5 7-Bromo-4-methoxy-1H-indazole|CS-0102600|1337879-62-5 https://www.jk-sci.com/products/s57c4x-204243 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60a3493d1ca57159be7dab8d5fb0e939.jpg?v=1791711222 Neostigmine impurity 43, Purity: 99.5% | 2768847-25-0 Neostigmine impurity 43|C4X-204243|2768847-25-0 https://www.jk-sci.com/products/ts246cs-0102644 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302787.png?v=1791664534 7-Iodo-3,4-dihydronaphthalen-1(2H)-one, 97% | 145485-31-0 7-Iodo-3,4-dihydronaphthalen-1(2H)-one|CS-0102644|145485-31-0 https://www.jk-sci.com/products/s57c4x-204245 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2413dd83-4060-4f78-83a2-d7d63d1695aa.png?v=1791711219 Neostigmine impurity 45, 95.30% Neostigmine impurity 45|C4X-204245 https://www.jk-sci.com/products/s57c4x-20445 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/571600.png?v=1791711217 Pyrimethamine, Purity: 100.0% | 58-14-0 Pyrimethamine|C4X-20445|58-14-0 https://www.jk-sci.com/products/ts246cs-0102733 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e7515bcd25861ddd85b295dc10cb349.jpg?v=1791664506 2-(Difluoromethoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, 95% | 1628116-87-9 2-(Difluoromethoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine|CS-0102733|1628116-87-9 https://www.jk-sci.com/products/s57c4x-204510 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b65a2ab29dbca6a6b90fb757aefab1c8.jpg?v=1791711212 Osimertinib Impurity 10, 99.20% | 1421373-98-9 Osimertinib Impurity 10|C4X-204510|1421373-98-9 https://www.jk-sci.com/products/ts246cs-0102741 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a56364506621c21b3c11e748b98d874e.jpg?v=1791664500 3-Chloroimidazo[1,2-a]pyridine-6-carboxylic acid, 97.00%+ | 900019-39-8 3-Chloroimidazo[1,2-a]pyridine-6-carboxylic acid|CS-0102741|900019-39-8 https://www.jk-sci.com/products/s57c4x-204521 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09c162a537eb5c12990e761a7ae274b4.jpg?v=1791711210 Osimertinib Impurity 21, 95.30% | 2919324-15-3 Osimertinib Impurity 21|C4X-204521|2919324-15-3 https://www.jk-sci.com/products/s57c4x-204536 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e91964c1-766a-45a7-8e9e-253974313aec.png?v=1791711205 Osimertinib Impurity 36, 98.00% Osimertinib Impurity 36|C4X-204536 https://www.jk-sci.com/products/ts246cs-0102745 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e108d275163958a5af1465b488f29993.jpg?v=1791664484 Methyl 4-amino-3-methyl-5-nitrobenzoate, 97% | 668276-44-6 Methyl 4-amino-3-methyl-5-nitrobenzoate|CS-0102745|668276-44-6 https://www.jk-sci.com/products/ts246cs-0102797 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6477342cc22e0b7a67a108fd44cbde3.jpg?v=1791664459 4-Chloroquinoline-3-carbaldehyde, 98% | 201420-30-6 4-Chloroquinoline-3-carbaldehyde|CS-0102797|201420-30-6 https://www.jk-sci.com/products/ts246cs-0102799 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7b7d44ac645504cea12f0cc4a6f8892.jpg?v=1791664458 7-Bromo-6-nitro-1,2,3,4-tetrahydroisoquinoline, 97.00%+ | 186390-62-5 7-Bromo-6-nitro-1,2,3,4-tetrahydroisoquinoline|CS-0102799|186390-62-5 https://www.jk-sci.com/products/s57c4x-18429 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9092a96b29e849f44541cd8930223fe1.jpg?v=1791713190 Paclitaxel EP Impurity I, 96.50% | 2157462-42-3 Paclitaxel EP Impurity I|C4X-18429|2157462-42-3 https://www.jk-sci.com/products/ts246cs-0102806 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac45206ff45ec417499fc37db9e06510.jpg?v=1791664454 6-Amino-1,4-dihydroquinoxaline-2,3-dione, 98% | 6973-93-9 6-Amino-1,4-dihydroquinoxaline-2,3-dione|CS-0102806|6973-93-9 https://www.jk-sci.com/products/ts246cs-0102827 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e226783d539481f7784c15823771d2c4.jpg?v=1791664439 Methyl 5-methylpyrazolo[1,5-a]pyridine-3-carboxylate, 98% | 1167055-25-5 Methyl 5-methylpyrazolo[1,5-a]pyridine-3-carboxylate|CS-0102827|1167055-25-5 https://www.jk-sci.com/products/ts246cs-0102829 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85233985663e8454062e56439e217b6d.jpg?v=1791664434 5-Methyl-3-nitro-1H-pyrrolo[2,3-b]pyridine, 96% | 1190321-24-4 5-Methyl-3-nitro-1H-pyrrolo[2,3-b]pyridine|CS-0102829|1190321-24-4 https://www.jk-sci.com/products/ts246cs-0102832 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210fb76f7a5dd586acb4caa7f1fa4648.jpg?v=1791664429 5-(tert-Butyl)-1H-indole-3-carbaldehyde, 98% | 1369055-82-2 5-(tert-Butyl)-1H-indole-3-carbaldehyde|CS-0102832|1369055-82-2 https://www.jk-sci.com/products/ts246cs-0102835 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71593e8b8151045d2ef8d91957099e0b.jpg?v=1791664423 6-Methyl-7-nitro-1H-indazole, 98.97%+ | 717881-06-6 6-Methyl-7-nitro-1H-indazole|CS-0102835|717881-06-6 https://www.jk-sci.com/products/ts246cs-0102840 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da304a6af76b8785b500da7410f43703.jpg?v=1791664419 6-(Trifluoromethyl)benzo[d]thiazole-2(3H)-thione, 97.00%+ | 401567-22-4 6-(Trifluoromethyl)benzo[d]thiazole-2(3H)-thione|CS-0102840|401567-22-4 https://www.jk-sci.com/products/ts246cs-0102858 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/943e15da58ebe6dce983ea0b6eeeeaec.jpg?v=1791664405 9-Methyl-β-carboline, 97% | 2521-07-5 9-Methyl-β-carboline|CS-0102858|2521-07-5 https://www.jk-sci.com/products/s57c4x-18859 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1377eab5ad053bfe8652ee390a0d513.jpg?v=1791712787 Ipragliflozin Impurity 9, Purity: 100.0% | 1034305-17-3 Ipragliflozin Impurity 9|C4X-18859|1034305-17-3 https://www.jk-sci.com/products/ts246cs-0102870 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b9e6327619f69a1b0be69f2805079a9.jpg?v=1791664388 2-Bromo-9,9-dimethyl-10-phenyl-9,10-dihydroacridine, 97% | 1319720-64-3 2-Bromo-9,9-dimethyl-10-phenyl-9,10-dihydroacridine|CS-0102870|1319720-64-3 https://www.jk-sci.com/products/s57c4x-190876 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44774445200525c34183737896520188.jpg?v=1791712585 Dopamine Impurity 76 HCl, 97.60% | 150031-65-5 Dopamine Impurity 76 HCl|C4X-190876|150031-65-5 https://www.jk-sci.com/products/ts246cs-0102873 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/560d14a0c410879d872603780562e15a.jpg?v=1791664378 2-Bromo-11H-benzo[a]carbazole, 98% | 103569-04-6 2-Bromo-11H-benzo[a]carbazole|CS-0102873|103569-04-6 https://www.jk-sci.com/products/s57c4x-191932 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593184_89600f93-b002-4bf0-bfc1-3c70568b7e0f.png?v=1791712454 Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate), Purity: 98.3% | 2921-57-5 Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)|C4X-191932|2921-57-5 https://www.jk-sci.com/products/s57c4x-193027 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b0f0f1d19c86b3e7fcbe39a9c82da93.jpg?v=1791712278 Tinidazole Impurity 27, Purity: 97.0% | 5648-30-6 Tinidazole Impurity 27|C4X-193027|5648-30-6 https://www.jk-sci.com/products/s57c4x-192434 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cede35d05b70b202a739bad1187d981c.jpg?v=1791712344 Urapidil Impurity 34, 87.20% | 62845-30-1 Urapidil Impurity 34|C4X-192434|62845-30-1 https://www.jk-sci.com/products/s57c4x-19344 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57d6e3adebe3401e8c2409ec21edf5a4.jpg?v=1791712220 Prilocaine EP Impurity E HCl, 99.80% | 35891-99-7 Prilocaine EP Impurity E HCl|C4X-19344|35891-99-7 https://www.jk-sci.com/products/s57c4x-19383 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be0c9c79fc1fed4ca70a2757c0efaefd.jpg?v=1791712171 Pimavanserin Impurity 3, Purity: 97.8% | 134227-41-1 Pimavanserin Impurity 3|C4X-19383|134227-41-1 https://www.jk-sci.com/products/s57c4x-195521 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135743_2529480e-9852-4ca7-99ee-77a9554e6721.png?v=1791712067 Tolvaptan Impurity 21, 98.60% | 118-90-1 Tolvaptan Impurity 21|C4X-195521|118-90-1 https://www.jk-sci.com/products/s57c4x-19469 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205681_4a34046e-e8e4-48e3-8bca-860e4f0a7bb7.png?v=1791712113 Glucosamine Impurity 9, 97.10% | 98-01-1 Glucosamine Impurity 9|C4X-19469|98-01-1 https://www.jk-sci.com/products/ts246cs-0102916 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e2e65d6cd0709ac85a007ffa24e617f.jpg?v=1791664356 1-(3-Aminophenyl)-2,2,2-trifluoroethan-1-one, 99.64%+ | 23516-80-5 1-(3-Aminophenyl)-2,2,2-trifluoroethan-1-one|CS-0102916|23516-80-5 https://www.jk-sci.com/products/ts246cs-0103006 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1326a7b30a091e0591d3749efa04cb28.jpg?v=1791664328 Methyl 5-(2-((tert-butyldimethylsilyl)oxy)ethyl)-2-chlorobenzoate, 98% | 1911653-45-6 Methyl 5-(2-((tert-butyldimethylsilyl)oxy)ethyl)-2-chlorobenzoate|CS-0103006|1911653-45-6 https://www.jk-sci.com/products/ts246cs-0103008 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0590434875dbb9afa9135bc8e0f0d9dc.jpg?v=1791664324 5-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-2-chlorobenzaldehyde, 95% | 1911653-47-8 5-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-2-chlorobenzaldehyde|CS-0103008|1911653-47-8 https://www.jk-sci.com/products/ts246cs-0103131 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6a65a03c152dc7e9b0cfd6749d2d1a0.jpg?v=1791664311 2'-Amino[1,1'-binaphthalen]-2-ol, 97% | 134532-03-9 2'-Amino[1,1'-binaphthalen]-2-ol|CS-0103131|134532-03-9 https://www.jk-sci.com/products/s57c4x-19559 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7d08f01dab070e3fd83b9f513851773.jpg?v=1791712034 Tolvaptan Impurity 9, 91.30% | 1432725-23-9 Tolvaptan Impurity 9|C4X-19559|1432725-23-9 https://www.jk-sci.com/products/s57c4x-196016 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d8c6799f-bec3-4236-9db5-675f1912fedb.png?v=1791712004 Cilastatin EP Impurity G, 87.70% Cilastatin EP Impurity G|C4X-196016 https://www.jk-sci.com/products/ts246cs-0101197 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e0c4d1da71179194918ad44d6aef9b9.jpg?v=1791665429 3-Amino-2,6-dichlorobenzonitrile, 97% | 19846-20-9 3-Amino-2,6-dichlorobenzonitrile|CS-0101197|19846-20-9 https://www.jk-sci.com/products/ts246cs-0101611 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0811cc3a2f6c23763d1f180a0bb992e6.jpg?v=1791665211 1-(2-Chlorophenyl)cyclobutane-1-carboxylic acid, 97% | 151157-45-8 1-(2-Chlorophenyl)cyclobutane-1-carboxylic acid|CS-0101611|151157-45-8 https://www.jk-sci.com/products/s57c4x-19614 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8401e376a00e2f2e4e117fcec9b2c787.jpg?v=1791711974 Selexipag Impurity 4, 99.50% | 2732400-56-3 Selexipag Impurity 4|C4X-19614|2732400-56-3 https://www.jk-sci.com/products/ts246cs-0101678 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea82f4c31789c9955021220c2a30c04d.jpg?v=1791665102 4-Bromo-7-methyl-2,3-dihydro-1H-inden-1-one, 97% | 90772-52-4 4-Bromo-7-methyl-2,3-dihydro-1H-inden-1-one|CS-0101678|90772-52-4 https://www.jk-sci.com/products/s57c4x-196710 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311027_67eecf18-7e5d-494c-bd36-618ae4ec3d82.png?v=1791711934 β-Cholestanol (contains α-Cholestanol), 93.60% | 80-97-7 β-Cholestanol (contains α-Cholestanol)|C4X-196710|80-97-7 https://www.jk-sci.com/products/s57c4x-19692 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473318_fc755473-b3d4-487a-be10-24274f12d1fc.png?v=1791711904 Isotretinoin EP Impurity D, Purity: 98.6% | 5300-03-8 Isotretinoin EP Impurity D|C4X-19692|5300-03-8 https://www.jk-sci.com/products/s57c4x-197311 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f69ab87fbf9e4c6abe5670d699d4e569.jpg?v=1791711869 Doxapram EP Impurity B, 96.80% | 1688-76-2 Doxapram EP Impurity B|C4X-197311|1688-76-2 https://www.jk-sci.com/products/ts246cs-0102000 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9aa0469c74632a3d158c63f4f7c0f367.jpg?v=1791664961 3,4-Dichloro-2-fluorobenzonitrile, 98% | 1349708-60-6 3,4-Dichloro-2-fluorobenzonitrile|CS-0102000|1349708-60-6 https://www.jk-sci.com/products/ts246cs-0102073 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2f5ac8a5f3617c5f815e8349e5ba80b.jpg?v=1791664882 Benzo[4,5]thieno[3,2-d]pyrimidin-4(3H)-one, 97.09%+ | 36822-08-9 Benzo[4,5]thieno[3,2-d]pyrimidin-4(3H)-one|CS-0102073|36822-08-9 https://www.jk-sci.com/products/ts246cs-0102143 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bc2fba75dcc495aaeca6e96e223cd6f.jpg?v=1791664767 2-Isopropylisonicotinonitrile, 98% | 33538-10-2 2-Isopropylisonicotinonitrile|CS-0102143|33538-10-2 https://www.jk-sci.com/products/ts246cs-0102108 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f9d9e19ac98a18dbf7eacad40e987b6.jpg?v=1791664819 tert-Butyl (7-hydroxy-2,3-dihydro-1H-inden-1-yl)carbamate, 97% | 1785367-12-5 tert-Butyl (7-hydroxy-2,3-dihydro-1H-inden-1-yl)carbamate|CS-0102108|1785367-12-5 https://www.jk-sci.com/products/s57c4x-19775 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/357211_af1116f7-accf-4e25-a319-e7b2438400e6.png?v=1791711817 Kanamycin A Sulfate (Amikacin EP Impurity D Sulfate), 91.90% | 25389-94-0 Kanamycin A Sulfate (Amikacin EP Impurity D Sulfate)|C4X-19775|25389-94-0 https://www.jk-sci.com/products/ts246cs-0102162 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157752_d3b65a87-5998-4313-9bc6-fbcda191a5d4.png?v=1791664743 8-Fluoro-3-iodoquinoline, 97% | 866782-59-4 8-Fluoro-3-iodoquinoline|CS-0102162|866782-59-4 https://www.jk-sci.com/products/s57c4x-200228 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/720fb0d1a8761df9a8b46d067e3cd2c0.jpg?v=1791711650 Bromfenac Impurity 28, Purity: 99.8% | 91714-41-9 Bromfenac Impurity 28|C4X-200228|91714-41-9 https://www.jk-sci.com/products/s57c4x-197329 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b25991f2-5c96-44dd-b09d-917fd8ec1762.png?v=1791711839 Doxapram Impurity 29, 93.80% Doxapram Impurity 29|C4X-197329 https://www.jk-sci.com/products/s57c4x-1986103 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4dec7065f47d132265fb6e456f7a313.jpg?v=1791711781 Bumetanide Impurity 103, 92.30% | 267014-44-8 Bumetanide Impurity 103|C4X-1986103|267014-44-8 https://www.jk-sci.com/products/ts246cs-0102210 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28672b81411fe7e2185080561d3f1a58.jpg?v=1791664668 5-Bromo-2-(2,2,2-trifluoroethoxy)pyridine, 97% | 126728-58-3 5-Bromo-2-(2,2,2-trifluoroethoxy)pyridine|CS-0102210|126728-58-3 https://www.jk-sci.com/products/s57c4x-19987 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328729_e32ce881-103b-4157-8840-b63b2feed2ad.png?v=1791711692 Cyclosporin D, 98.20% | 63775-96-2 Cyclosporin D|C4X-19987|63775-96-2 https://www.jk-sci.com/products/s57c4x-2005 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/366272_531cf019-55ca-428a-9b63-498be8546745.png?v=1791711636 Cytarabine, 99.90% | 147-94-4 Cytarabine|C4X-2005|147-94-4 https://www.jk-sci.com/products/s57c4x-198678 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1a1720b4-526a-4fa0-92d1-b2f196170b25.png?v=1791711749 Bumetanide Impurity 78, Purity: 97.2% Bumetanide Impurity 78|C4X-198678 https://www.jk-sci.com/products/s57c4x-198625 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06c0a7604326bd488e3cfed1aa9528bc.jpg?v=1791711763 Bumetanide Impurity 25, 94.50% | 105641-65-4 Bumetanide Impurity 25|C4X-198625|105641-65-4 https://www.jk-sci.com/products/s57c4x-19936 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520153_88c50915-111f-4110-9157-b24657dba31c.png?v=1791711709 Clenbuterol EP impurity F, 91.50% | 37153-52-9 Clenbuterol EP impurity F|C4X-19936|37153-52-9 https://www.jk-sci.com/products/s57c4x-198810 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/968b11db625b5d4320b1ddb8f072986b.jpg?v=1791711732 Melphalan EP Impurity J, 94.80% | 2724549-95-3 Melphalan EP Impurity J|C4X-198810|2724549-95-3 https://www.jk-sci.com/products/ts246cs-0102267 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310473_26370e83-4db8-4106-bc71-23c1be6bf003.png?v=1791664629 8-Aminoquinolin-6-ol, 98% | 7402-16-6 8-Aminoquinolin-6-ol|CS-0102267|7402-16-6 https://www.jk-sci.com/products/ts246cs-0102411 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5479b3b86936bb420d593a006e4b58.jpg?v=1791664605 3-Nitro-5,6,7,8-tetrahydroquinoline, 98% | 84531-35-1 3-Nitro-5,6,7,8-tetrahydroquinoline|CS-0102411|84531-35-1 https://www.jk-sci.com/products/s57c4x-20007 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fd920d72dd166f56d256de30ccb39bd_dd7c1554-90f8-4461-a419-22ac6d86b2a7.jpg?v=1791711672 Nicotinamide Impurity 7, 99.70% | 114-33-0 Nicotinamide Impurity 7|C4X-20007|114-33-0 https://www.jk-sci.com/products/s57c4x-20061 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59707bc5c93f1b7bf9af406d3bba71ae.jpg?v=1791711621 Mizolastine Impurity1, 93.30% | 108635-83-2 Mizolastine Impurity1|C4X-20061|108635-83-2 https://www.jk-sci.com/products/ts246cs-0102567 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/086840756186ac49754515d6c3472808.jpg?v=1791664568 6-Bromo-7-chloroimidazo[1,2-a]pyridine, 97% | 1303890-45-0 6-Bromo-7-chloroimidazo[1,2-a]pyridine|CS-0102567|1303890-45-0 https://www.jk-sci.com/products/ts246cs-0102597 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fc099b3841e603e4286ed0ac7d79c95.jpg?v=1791664549 Ethyl 6-(aminomethyl)nicotinate hydrochloride, 97% | 1189434-55-6 Ethyl 6-(aminomethyl)nicotinate hydrochloride|CS-0102597|1189434-55-6 https://www.jk-sci.com/products/ts246cs-0102723 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fd1b2a21f42da113bda2055e1d5fb50.jpg?v=1791664516 3-Bromo-6-methylpicolinaldehyde, 97% | 1060810-14-1 3-Bromo-6-methylpicolinaldehyde|CS-0102723|1060810-14-1 https://www.jk-sci.com/products/s57c4x-199310 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124191_20e184ef-b4b7-4b5d-984b-c7007b88b554.png?v=1791711719 Clenbuterol impurity 10, 99.20% | 100-19-6 Clenbuterol impurity 10|C4X-199310|100-19-6 https://www.jk-sci.com/products/s57c4x-200716 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a70f9dd2b90a818089f6b03c5a1606ed.jpg?v=1791711607 Brivaracetam Impurity 16, 99.30% | 2432911-41-4 Brivaracetam Impurity 16|C4X-200716|2432911-41-4 https://www.jk-sci.com/products/ts246cs-0102743 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2908a4ea92cfe1d92bb854bb301f95a9.jpg?v=1791664490 Ethyl 2-(5-fluoro-1H-indazol-3-yl)acetate, 96% | 885271-93-2 Ethyl 2-(5-fluoro-1H-indazol-3-yl)acetate|CS-0102743|885271-93-2 https://www.jk-sci.com/products/s57c4x-201648 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2f7005f8d3a1ef97b4899f301478174_c33d8f74-9006-47a4-ab1d-2bb71f79eda6.jpg?v=1791711510 Lornoxicam impurity 48, 91.50% | 126910-68-7 Lornoxicam impurity 48|C4X-201648|126910-68-7 https://www.jk-sci.com/products/s57c4x-200767 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1a8a6dd5f5926644dd728ec42bcecd8.jpg?v=1791711591 Brivaracetam Impurity 67, Purity: 99.5% | 357338-13-7 Brivaracetam Impurity 67|C4X-200767|357338-13-7 https://www.jk-sci.com/products/ts246cs-0102798 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a26c0dc107c20ea3d92ee7b060705a0a.jpg?v=1791664459 6-Bromo-3-methylquinoline, 97% | 97041-63-9 6-Bromo-3-methylquinoline|CS-0102798|97041-63-9 https://www.jk-sci.com/products/s57c4x-200911 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4207b625-803b-4b19-a19a-8d0d096e3a7a.png?v=1791711581 Riluzole Impurity 11, 91.10% Riluzole Impurity 11|C4X-200911 https://www.jk-sci.com/products/ts246cs-0102826 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e588dda1e59bdab75a3c7b93fa90ff3.jpg?v=1791664439 7-Bromo-4-fluoroindoline-2,3-dione, 97% | 1245648-36-5 7-Bromo-4-fluoroindoline-2,3-dione|CS-0102826|1245648-36-5 https://www.jk-sci.com/products/s57c4x-201624 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_823ece98-1aa3-48b1-a90a-04c1e2b919a2.png?v=1791711524 Lornoxicam Impurity 24, 96.60% Lornoxicam Impurity 24|C4X-201624 https://www.jk-sci.com/products/ts246cs-0102830 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e586a804da5b51531260621fe6cd5b4d.jpg?v=1791664435 Methyl 5,6-dibromo-1H-indole-3-carboxylate, 95% | 1309792-72-0 Methyl 5,6-dibromo-1H-indole-3-carboxylate|CS-0102830|1309792-72-0 https://www.jk-sci.com/products/s57c4x-201017 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a19472e850c57a7800a9962cd6e10784.jpg?v=1791711567 Carbocisteine Impurity 17, 98.60% | 15253-37-9 Carbocisteine Impurity 17|C4X-201017|15253-37-9 https://www.jk-sci.com/products/ts246cs-0102837 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df12e46e52c1abb0ffae307f97267fe2.jpg?v=1791664422 6-Fluoro-1H-indazol-4-amine, 97% | 885520-16-1 6-Fluoro-1H-indazol-4-amine|CS-0102837|885520-16-1 https://www.jk-sci.com/products/s57c4x-20171 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378899_768089c6-7c56-4bc5-a620-6a040fb1dfe4.png?v=1791711494 Bezafibrate EP Impurity A, 99.70% | 41859-57-8 Bezafibrate EP Impurity A|C4X-20171|41859-57-8 https://www.jk-sci.com/products/s57c4x-20152 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e47608d765a0c8108284724f30d03747.jpg?v=1791711537 Zoledronic Acid EP Impurity B, 96.40% | 2043362-88-3 Zoledronic Acid EP Impurity B|C4X-20152|2043362-88-3 https://www.jk-sci.com/products/ts246cs-0102863 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60179c8b221311ce08a9e80b5c558d98.jpg?v=1791664399 (R)-2-(2-(tert-Butoxy)-2-oxoethyl)pentanoic acid, 95% | 112106-16-8 (R)-2-(2-(tert-Butoxy)-2-oxoethyl)pentanoic acid|CS-0102863|112106-16-8 https://www.jk-sci.com/products/s57c4x-20112 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d1fa2eb0e34b8e1b69417fb28267a57.jpg?v=1791711552 Cromolyn Sodium USP Related Compound A, 99.10% | 16150-44-0 Cromolyn Sodium USP Related Compound A|C4X-20112|16150-44-0 https://www.jk-sci.com/products/s57c4x-201913 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125416_d8d8f104-099f-443d-8b0a-708dab884ccd.png?v=1791711490 Nicotine EP Impurity G, 96.40% | 494-52-0 Nicotine EP Impurity G|C4X-201913|494-52-0 https://www.jk-sci.com/products/s57c4x-202117 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436db86973a88a48d79233817c927581.jpg?v=1791711474 Crisaborole Impurity 17, 99.40% | 1187188-59-5 Crisaborole Impurity 17|C4X-202117|1187188-59-5 https://www.jk-sci.com/products/ts246cs-0102889 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3a3b619d85b9bf63092e037cf263672.jpg?v=1791664362 7-Methoxy-4-oxo-1,4-dihydroquinoline-6-carbonitrile, 97% | 417721-15-4 7-Methoxy-4-oxo-1,4-dihydroquinoline-6-carbonitrile|CS-0102889|417721-15-4 https://www.jk-sci.com/products/s57c4x-202127 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36d9e96cd720de272de05155026b5c3f.jpg?v=1791711469 Crisaborole Impurity 27, 95.30% | 2141947-89-7 Crisaborole Impurity 27|C4X-202127|2141947-89-7 https://www.jk-sci.com/products/ts246cs-0103007 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e67504347c0e032d4f6efbfa1e9a7138.jpg?v=1791664326 (5-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-2-chlorophenyl)methanol, 98% | 1911653-46-7 (5-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-2-chlorophenyl)methanol|CS-0103007|1911653-46-7 https://www.jk-sci.com/products/ts246cs-0103160 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d7a150305f49745debfa5f094c2521f.jpg?v=1791664307 trans-N,N-Dimethyl-1,2-cyclohexyldiamine, 97.00%+ | 67198-21-4 trans-N,N-Dimethyl-1,2-cyclohexyldiamine|CS-0103160|67198-21-4 https://www.jk-sci.com/products/ts246cs-0103210 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408163.png?v=1791664289 2-(5-Chloro-2-methyl-1H-indol-3-yl)acetic acid, 99.34%+ | 19017-52-8 2-(5-Chloro-2-methyl-1H-indol-3-yl)acetic acid|CS-0103210|19017-52-8 https://www.jk-sci.com/products/s57c4x-2020 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295879_fdadf65b-61df-4418-80c5-0b2e13e89fd3.png?v=1791711479 Dexrazoxane, 99.90% | 24584-09-6 Dexrazoxane|C4X-2020|24584-09-6 https://www.jk-sci.com/products/ts246cs-0103252 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff152fe6c641786e3ab7ea82a9b84138.jpg?v=1791664278 1-Fluoro-4-iodo-2-methoxybenzene, 96.73%+ | 773855-64-4 1-Fluoro-4-iodo-2-methoxybenzene|CS-0103252|773855-64-4 https://www.jk-sci.com/products/ts246cs-0103300 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/824d868fe5b1b70d81f3d8a0be1273a6.jpg?v=1791664261 1-(3-Fluoro-4-nitrophenyl)ethan-1-one, 98% | 72802-25-6 1-(3-Fluoro-4-nitrophenyl)ethan-1-one|CS-0103300|72802-25-6 https://www.jk-sci.com/products/ts246cs-0103305 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c948151366d0fb034bd20ff3ffd03e8b.jpg?v=1791664255 6-chloro-2,3,4,9-tetrahydro-1h-carbazole, 99.00%+ | 36684-65-8 6-chloro-2,3,4,9-tetrahydro-1h-carbazole|CS-0103305|36684-65-8 https://www.jk-sci.com/products/ts246cs-0103310 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/477267.png?v=1791664249 6-Fluorochroman-8-carbaldehyde, 95% | 82060-91-1 6-Fluorochroman-8-carbaldehyde|CS-0103310|82060-91-1 https://www.jk-sci.com/products/ts246cs-0103331 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce8df56c486b60deb967ca1aca13a82d.jpg?v=1791664231 Ethyl 4-(trifluoromethyl)thiazole-5-carboxylate, 98.00%+ | 106203-24-1 Ethyl 4-(trifluoromethyl)thiazole-5-carboxylate|CS-0103331|106203-24-1 https://www.jk-sci.com/products/ts246cs-0103341 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128e454f111316f6e41f83b6e78e2888.jpg?v=1791664214 5-Fluoro-2-hydroxy-3-methylbenzaldehyde, 98.00%+ | 704884-74-2 5-Fluoro-2-hydroxy-3-methylbenzaldehyde|CS-0103341|704884-74-2 https://www.jk-sci.com/products/s57c4x-202133 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fcb53318332253f2e8b3fddfb345a7e.jpg?v=1791711459 Crisaborole Impurity 33, 99.40% | 906673-45-8 Crisaborole Impurity 33|C4X-202133|906673-45-8 https://www.jk-sci.com/products/s57c4x-202146 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229389_792f531e-7112-4df6-b2f6-d8add8fdce64.png?v=1791711449 Crisaborole Impurity 46, 99.50% | 1194-02-1 Crisaborole Impurity 46|C4X-202146|1194-02-1 https://www.jk-sci.com/products/s57c4x-202164 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/866c1cc8d4fd7ff181d89d29d04d8244.jpg?v=1791711443 Crisaborole Impurity 64, 92.90% | 1160182-44-4 Crisaborole Impurity 64|C4X-202164|1160182-44-4 https://www.jk-sci.com/products/s57c4x-202168 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41945824a4fbecfc6ba3e0e9a924ee2c.jpg?v=1791711437 Crisaborole lmpurity 68, 98.20% | 943311-78-2 Crisaborole lmpurity 68|C4X-202168|943311-78-2 https://www.jk-sci.com/products/s57c4x-202176 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/786011025ddb60a1c943e09cddab7aa1.jpg?v=1791711429 Crisaborole lmpurity 76, Purity: 98.9% | 2227126-09-0 Crisaborole lmpurity 76|C4X-202176|2227126-09-0 https://www.jk-sci.com/products/ts246cs-0103353 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920933.png?v=1791664209 2-Bromo-4-(trifluoromethyl)benzo[d]thiazole, 97% | 898748-19-1 2-Bromo-4-(trifluoromethyl)benzo[d]thiazole|CS-0103353|898748-19-1 https://www.jk-sci.com/products/s57c4x-202181 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e42989f-41e7-443e-99ad-a0802677e00b.png?v=1791711415 Crisaborole lmpurity 81, Purity: 97.1% Crisaborole lmpurity 81|C4X-202181 https://www.jk-sci.com/products/ts246cs-0103358 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556007_4f7e210f-a775-455d-80b7-0742d848640a.png?v=1791664203 Bis-tris propane, 95% | 64431-96-5 Bis-tris propane|CS-0103358|64431-96-5 https://www.jk-sci.com/products/ts246cs-0103363 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920928.png?v=1791664194 2-Bromo-4-fluorobenzo[d]thiazole, 97% | 887580-83-8 2-Bromo-4-fluorobenzo[d]thiazole|CS-0103363|887580-83-8 https://www.jk-sci.com/products/ts246cs-0103376 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419639.png?v=1791664183 3,5-Diiodopyridin-2-amine, 99.48%+ | 23597-15-1 3,5-Diiodopyridin-2-amine|CS-0103376|23597-15-1 https://www.jk-sci.com/products/ts246cs-0103387 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a693b497e0801f4150e4f7e86a5ac99b.jpg?v=1791664173 6-Bromo-5-iodopyridin-2-amine, 95% | 1806995-70-9 6-Bromo-5-iodopyridin-2-amine|CS-0103387|1806995-70-9 https://www.jk-sci.com/products/s57c4x-202410 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee809a0e38ffe6416d8aa60beab34b78.jpg?v=1791711411 Etoposide EP Impurity J, 98.40% | 118356-05-1 Etoposide EP Impurity J|C4X-202410|118356-05-1 https://www.jk-sci.com/products/s57c4x-202414 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b9ca97d4-f067-47ad-be65-9c594c556515.png?v=1791711404 Etoposide EP Impurity N, 95.30% Etoposide EP Impurity N|C4X-202414 https://www.jk-sci.com/products/s57c4x-20245 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553366_35a27978-8d01-44a2-a311-048ad331381b.png?v=1791711395 Etoposide EP Impurity E, 99.30% | 6559-91-7 Etoposide EP Impurity E|C4X-20245|6559-91-7 https://www.jk-sci.com/products/s57c4x-202712 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dcc96a0c-f2d7-4756-811c-1c954b1e93d7.png?v=1791711389 Proparacaine Impurity 12 HCl, 95.30% Proparacaine Impurity 12 HCl|C4X-202712 https://www.jk-sci.com/products/s57c4x-202724 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24dabc24-df62-469d-a6b9-a477b8b8e759.png?v=1791711384 Proparacaine Impurity 24, 92.00% Proparacaine Impurity 24|C4X-202724 https://www.jk-sci.com/products/s57c4x-20273 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414269_ca5e49ff-05e3-4f5d-97e7-ffca33561583.png?v=1791711375 4-Chloro-3-nitrobenzoic Acid, 99.60% | 96-99-1 4-Chloro-3-nitrobenzoic Acid|C4X-20273|96-99-1 https://www.jk-sci.com/products/s57c4x-20276 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30a5f4a3dd830d4bcfd0f48e1b6673f9.jpg?v=1791711367 Proparacaine Impurity 6, 96.10% | 59691-15-5 Proparacaine Impurity 6|C4X-20276|59691-15-5 https://www.jk-sci.com/products/ts246cs-0103392 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920935.png?v=1791664162 2-Bromo-6-(trifluoromethyl)benzo[d]thiazole, 97% | 898748-23-7 2-Bromo-6-(trifluoromethyl)benzo[d]thiazole|CS-0103392|898748-23-7 https://www.jk-sci.com/products/s57c4x-202911 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5532f1b000d7ad6541d75648e49de78e.jpg?v=1791711354 Ebastine Impurity 11, 99.70% | 1229622-28-9 Ebastine Impurity 11|C4X-202911|1229622-28-9 https://www.jk-sci.com/products/ts246cs-0103397 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/857dd885af31d47cda0a4005d80ef10b.jpg?v=1791664155 7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydro-1,7-naphthyridine-3-carboxylic acid, 97% | 1245645-20-8 7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydro-1,7-naphthyridine-3-carboxylic acid|CS-0103397|1245645-20-8 https://www.jk-sci.com/products/ts246cs-0103461 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329500.png?v=1791664137 2-Chloro-6-(trifluoromethyl)benzonitrile, 97% | 129604-28-0 2-Chloro-6-(trifluoromethyl)benzonitrile|CS-0103461|129604-28-0 https://www.jk-sci.com/products/s57c4x-202920 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e6428da-8c29-4d8b-9b1e-6719ca0f32e7.png?v=1791711347 Ebastine Impurity 20, 98.70% Ebastine Impurity 20|C4X-202920 https://www.jk-sci.com/products/s57c4x-20294 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813022_e5605042-0d4b-4fef-88e5-8640540b0d91.png?v=1791711341 Ebastine EP Impurity D, 97.60% | 97928-18-2 Ebastine EP Impurity D|C4X-20294|97928-18-2 https://www.jk-sci.com/products/s57c4x-203110 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dbc7ab4b1cdb00abe59818176154b56.jpg?v=1791711323 Revefenacin Impurity 10, 99.80% | 743460-48-2 Revefenacin Impurity 10|C4X-203110|743460-48-2 https://www.jk-sci.com/products/ts246cs-0103463 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecd0f94b925eaaece0d512eee026451f.jpg?v=1791664131 4-Amino-2-fluorophenol hydrochloride, 97% | 1341216-35-0 4-Amino-2-fluorophenol hydrochloride|CS-0103463|1341216-35-0 https://www.jk-sci.com/products/s57c4x-203114 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c77dfec08ec641fe0ce74b27967fe35.jpg?v=1791711317 Revefenacin Impurity 14, 99.70% | 1682660-39-4 Revefenacin Impurity 14|C4X-203114|1682660-39-4 https://www.jk-sci.com/products/s57c4x-20298 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb105759189b46ccb70092233b0d9b87.jpg?v=1791711334 Ebastine Impurity 8, 96.10% | 574-42-5 Ebastine Impurity 8|C4X-20298|574-42-5 https://www.jk-sci.com/products/s57c4x-203150 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a02ea60e-8159-4847-af88-118c194c18a8.png?v=1791711300 N-Nitroso Revefenacin Impurity 50, 98.60% N-Nitroso Revefenacin Impurity 50|C4X-203150 https://www.jk-sci.com/products/s57c4x-203135 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbd41def32eb7d0162246d9f492f23d9.jpg?v=1791711313 Revefenacin Impurity 35, 97.10% | 171722-92-2 Revefenacin Impurity 35|C4X-203135|171722-92-2 https://www.jk-sci.com/products/s57c4x-203171 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c71bc3f8-69d7-4187-b554-739b53a2f7e9.png?v=1791711290 RevefenacinTrihydrate, 99.30% RevefenacinTrihydrate|C4X-203171 https://www.jk-sci.com/products/s57c4x-20333 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa941f0458139982553e60b086a368d1.jpg?v=1791711280 Doxorubicin Impurity 3, 93.30% | 69429-21-6 Doxorubicin Impurity 3|C4X-20333|69429-21-6 https://www.jk-sci.com/products/s57c4x-20366 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/debcfdc8d07c1754c6d4b6edca599b5f.jpg?v=1791711274 (+)-15(S)-Cloprostenol, 94.70% | 54276-22-1 (+)-15(S)-Cloprostenol|C4X-20366|54276-22-1 https://www.jk-sci.com/products/ts246cs-0103475 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f009a85f628aa903301890b39846846a.jpg?v=1791664119 5,6-Dibromo-1H-indole-3-carboxylic acid, 95% | 857809-64-4 5,6-Dibromo-1H-indole-3-carboxylic acid|CS-0103475|857809-64-4 https://www.jk-sci.com/products/s57c4x-2038 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597495_f8d264ae-deea-4c47-997b-c9545b2dd486.png?v=1791711258 Trospium Chloride, 99.90% | 10405-02-4 Trospium Chloride|C4X-2038|10405-02-4 https://www.jk-sci.com/products/s57c4x-20372 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81ad0b82d9c669e6f55dcc0c5739c465.jpg?v=1791711263 Bisacodyl EP Impurity B, 93.00% | 16985-05-0 Bisacodyl EP Impurity B|C4X-20372|16985-05-0 https://www.jk-sci.com/products/ts246cs-0103478 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56323e39d4e86054c7b7ea04a2d91a6f.jpg?v=1791664113 Ethyl 2-(6-bromo-1H-indol-3-yl)-2-oxoacetate, 95% | 17826-12-9 Ethyl 2-(6-bromo-1H-indol-3-yl)-2-oxoacetate|CS-0103478|17826-12-9 https://www.jk-sci.com/products/s57c4x-20423 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e31b41ad9ae26ae7044f5d5755b3db2b.jpg?v=1791711230 Neostigmine Impurity 3, 98.00% | 4312-54-3 Neostigmine Impurity 3|C4X-20423|4312-54-3 https://www.jk-sci.com/products/s57c4x-204211 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c4d490645601665f94a7c7a3b4d6268.jpg?v=1791711253 Neostigmine Impurity 11, 93.30% | 39218-17-2 Neostigmine Impurity 11|C4X-204211|39218-17-2 https://www.jk-sci.com/products/s57c4x-204219 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200239_062cd15c-bef0-40b2-8cf0-3834dd95196a.png?v=1791711239 Neostigmine EP Impurity B, 96.30% | 99-07-0 Neostigmine EP Impurity B|C4X-204219|99-07-0 https://www.jk-sci.com/products/s57c4x-20424 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d58f96fb87b5051e3b6398367e9a01b8.jpg?v=1791711225 Neostigmine EP Impurity C, 95.10% | 16088-19-0 Neostigmine EP Impurity C|C4X-20424|16088-19-0 https://www.jk-sci.com/products/s57c4x-204513 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c42158edeed44dfadd08f7dd87b41df3.jpg?v=1791711212 Osimertinib Impurity 13, 97.40% | 2090542-75-7 Osimertinib Impurity 13|C4X-204513|2090542-75-7 https://www.jk-sci.com/products/s57c4x-20425 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41639ee858be99b843c3af5ba1a092cb.jpg?v=1791711217 Neostigmine Impurity 5, Purity: 100.0% | 3743-22-4 Neostigmine Impurity 5|C4X-20425|3743-22-4 https://www.jk-sci.com/products/ts246cs-0103482 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0df8c2219365de792a41ad37e619c230.jpg?v=1791664107 N-(4-((tert-Butyldimethylsilyl)oxy)phenyl)-4-chloro-5-(trifluoromethyl)pyrimidin-2-amine, 98% | 2296722-70-6 N-(4-((tert-Butyldimethylsilyl)oxy)phenyl)-4-chloro-5-(trifluoromethyl)pyrimidin-2-amine|CS-0103482|2296722-70-6 https://www.jk-sci.com/products/s57c4x-204537 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_80852a39-f4f5-440a-94d4-867d16c5ce4b.png?v=1791711207 Osimertinib Impurity 37, 96.50% Osimertinib Impurity 37|C4X-204537 https://www.jk-sci.com/products/ts246cs-0103493 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890358.png?v=1791664097 5-Bromo-4-methoxy-1H-indazole, 98% | 850363-67-6 5-Bromo-4-methoxy-1H-indazole|CS-0103493|850363-67-6 https://www.jk-sci.com/products/s57c4x-204542 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c126a50bc07897c82bdbd2167e716d4c.jpg?v=1791711202 Osimertinib Impurity 42, 98.00% | 3086362-46-8 Osimertinib Impurity 42|C4X-204542|3086362-46-8 https://www.jk-sci.com/products/s57c4x-204553 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c449b104-ecb3-43bb-b8ec-c9eeca569d5f.png?v=1791711195 Osimertinib Impurity 53, 83.00% Osimertinib Impurity 53|C4X-204553 https://www.jk-sci.com/products/s57c4x-204618 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209371_7ebcaadb-bfe3-4e39-bb73-de466e8d6fc5.png?v=1791711185 Ketotifen Impurity 18, 91.70% | 5570-77-4 Ketotifen Impurity 18|C4X-204618|5570-77-4 https://www.jk-sci.com/products/s57c4x-20458 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26039c2c5fdaa40e00a0ba6752debed9.jpg?v=1791711191 Osimertinib Impurity 8, 99.40% | 1421372-66-8 Osimertinib Impurity 8|C4X-20458|1421372-66-8 https://www.jk-sci.com/products/s57c4x-20461 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85f89e3834937bfe43fa8b72f6e3e101.jpg?v=1791711185 Ketotifen EP Impurity A, 90.30% | 4673-38-5 Ketotifen EP Impurity A|C4X-20461|4673-38-5 https://www.jk-sci.com/products/s57c4x-204562 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_65a19009-2bae-4c78-8e17-b3b562db71b6.png?v=1791711195 Osimertinib Impurity 62, 96.70% Osimertinib Impurity 62|C4X-204562 https://www.jk-sci.com/products/s57c4x-20463 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a8cb118308874c2f7cae3616b43ba6b.jpg?v=1791711180 Ketotifen EP Impurity C, 90.00% | 126939-27-3 Ketotifen EP Impurity C|C4X-20463|126939-27-3 https://www.jk-sci.com/products/s57c4x-20465 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e31ac8541d408825804e65cd8f03fc7.jpg?v=1791711175 Ketotifen EP Impurity E, 99.90% | 1346603-71-1 Ketotifen EP Impurity E|C4X-20465|1346603-71-1 https://www.jk-sci.com/products/s57c4x-20491 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d990b6acc0aab46e269ad012fc81dcf.jpg?v=1791711166 Phenacetin Impurity 1, 99.00% | 3154-18-5 Phenacetin Impurity 1|C4X-20491|3154-18-5 https://www.jk-sci.com/products/s57c4x-205114 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9bf30fc5-2f68-42af-b884-9828940ef300.png?v=1791711165 Calcium Dobesilate Impurity 14, 99.80% Calcium Dobesilate Impurity 14|C4X-205114 https://www.jk-sci.com/products/s57c4x-20552 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259777.png?v=1791711145 Vidarabine Impurity 2, 98.60% | 3083-77-0 Vidarabine Impurity 2|C4X-20552|3083-77-0 https://www.jk-sci.com/products/s57c4x-20512 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e1ea0d0-07d8-43af-86ee-08149147e80c.png?v=1791711160 Calcium Dobesilate Impurity 2, 96.90% Calcium Dobesilate Impurity 2|C4X-20512 https://www.jk-sci.com/products/s57c4x-20467 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b1c6871451a8ca070458b85a1a2ce81.jpg?v=1791711171 Ketotifen EP Impurity G, 95.30% | 43076-16-0 Ketotifen EP Impurity G|C4X-20467|43076-16-0 https://www.jk-sci.com/products/s57c4x-2052 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3faca071a3b1f89e90505aa25139a8a.jpg?v=1791711151 Fondaparinux Sodium, 92.70% | 114870-03-0 Fondaparinux Sodium|C4X-2052|114870-03-0 https://www.jk-sci.com/products/s57c4x-20516 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_14cf5d60-813f-42eb-a8cb-90fe41e84b5d.png?v=1791711156 Calcium Dobesilate Impurity 6, 84.90% Calcium Dobesilate Impurity 6|C4X-20516 https://www.jk-sci.com/products/s57c4x-20581 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c5243f49250e0f2ea7761a74d18d668.jpg?v=1791711143 Ruxolitinib Impurity 1, 97.50% | 2606144-44-7 Ruxolitinib Impurity 1|C4X-20581|2606144-44-7 https://www.jk-sci.com/products/s57c4x-2058100 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee66f7e2-4d12-4eea-8066-4ecab4d872d9.png?v=1791711139 Ruxolitinib Impurity 100, Purity: 99.4% Ruxolitinib Impurity 100|C4X-2058100 https://www.jk-sci.com/products/s57c4x-2058113 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a4c14678-ff32-4eb2-bf01-882dec21db8c.png?v=1791711136 Ruxolitinib Impurity 13, 97.00% Ruxolitinib Impurity 13|C4X-2058113 https://www.jk-sci.com/products/s57c4x-20584 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d97b131fa15eb283006a004dd436b03.jpg?v=1791711119 Ruxolitinib Impurity 4, 95.60% | 1236033-03-6 Ruxolitinib Impurity 4|C4X-20584|1236033-03-6 https://www.jk-sci.com/products/s57c4x-20582 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cbe2efad08c55747a77b8b030a33bd3.jpg?v=1791711131 Ruxolitinib Impurity 2, 95.30% | 2102675-42-1 Ruxolitinib Impurity 2|C4X-20582|2102675-42-1 https://www.jk-sci.com/products/s57c4x-20583 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d51e2ae3c17ad2f2675fad85b4a9376a.jpg?v=1791711128 Ruxolitinib Impurity 3, 95.00% | 2102675-40-9 Ruxolitinib Impurity 3|C4X-20583|2102675-40-9 https://www.jk-sci.com/products/s57c4x-205817 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_05163e61-3ad3-47a7-a68e-fe70f34e271f.png?v=1791711133 Ruxolitinib Impurity 17, 98.50% Ruxolitinib Impurity 17|C4X-205817 https://www.jk-sci.com/products/s57c4x-205843 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4201e732-2b0c-4e8d-8534-8f834a4d3ddd.png?v=1791711118 Ruxolitinib Impurity 43, Purity: 98.3% Ruxolitinib Impurity 43|C4X-205843 https://www.jk-sci.com/products/s57c4x-205837 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3092031aa16c489668fb7d3afcec2e93.jpg?v=1791711125 Ruxolitinib Impurity 37, 97.30% | 2821844-77-1 Ruxolitinib Impurity 37|C4X-205837|2821844-77-1 https://www.jk-sci.com/products/s57c4x-20586 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920ebe3a63c8f088cec49b5c610c9ae3.jpg?v=1791711114 Ruxolitinib Impurity 6, 97.70% | 1911644-32-0 Ruxolitinib Impurity 6|C4X-20586|1911644-32-0 https://www.jk-sci.com/products/s57c4x-20592 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81e46fc1b08c1b9fec66a7b0d9b36ce3.jpg?v=1791711104 Praziquantel EP Impurity B, 97.40% | 125273-86-1 Praziquantel EP Impurity B|C4X-20592|125273-86-1 https://www.jk-sci.com/products/ts246cs-0103497 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c547072913db0908f01ff7db8900f1f.jpg?v=1791664092 7-Chloro-5-fluoroindoline-2,3-dione, 95% | 259860-03-2 7-Chloro-5-fluoroindoline-2,3-dione|CS-0103497|259860-03-2 https://www.jk-sci.com/products/s57c4x-20589 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1349106.png?v=1791711106 Ruxolitinib Phosphate, 98.30% | 1092939-17-7 Ruxolitinib Phosphate|C4X-20589|1092939-17-7 https://www.jk-sci.com/products/s57c4x-205871 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d3aa07f-80aa-4dc3-8b05-d768e3b30ebf.png?v=1791711109 Ruxolitinib Impurity 71, 97.90% Ruxolitinib Impurity 71|C4X-205871 https://www.jk-sci.com/products/ts246cs-0103501 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4453d3d47303d5c5e008b31280adbff9.jpg?v=1791664087 Methyl 2,4,6,7-tetrahydropyrano[4,3-c]pyrazole-3-carboxylate, 98% | 1211479-06-9 Methyl 2,4,6,7-tetrahydropyrano[4,3-c]pyrazole-3-carboxylate|CS-0103501|1211479-06-9 https://www.jk-sci.com/products/s57c4x-20602 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513857.png?v=1791711101 Methylaminoacetaldehyde Dimethyl Acetal, 97.80% | 122-07-6 Methylaminoacetaldehyde Dimethyl Acetal|C4X-20602|122-07-6 https://www.jk-sci.com/products/s57c4x-2061 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274584_b2761e4c-92fe-478e-b2a4-00653b2ce093.png?v=1791711096 Carboplatin, 99.80% | 41575-94-4 Carboplatin|C4X-2061|41575-94-4 https://www.jk-sci.com/products/ts246cs-0103504 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44353621765ca2ad046b5e103d5d0ee5.jpg?v=1791664078 3-Iodo-6-methoxy-1H-pyrrolo[3,2-c]pyridine, 97% | 1190315-47-9 3-Iodo-6-methoxy-1H-pyrrolo[3,2-c]pyridine|CS-0103504|1190315-47-9 https://www.jk-sci.com/products/ts246cs-0103511 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414344.png?v=1791664058 (2,6-Dimethylpyridin-3-yl)methanol, 97.00%+ | 582303-10-4 (2,6-Dimethylpyridin-3-yl)methanol|CS-0103511|582303-10-4 https://www.jk-sci.com/products/s57c4x-2065 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228867.png?v=1791711096 Tolperisone Hydrochloride, 99.60% | 3644-61-9 Tolperisone Hydrochloride|C4X-2065|3644-61-9 https://www.jk-sci.com/products/ts246cs-0103520 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fb67cb96a18124f1c681c58f2c94212.jpg?v=1791664043 3-Bromo-5-(trimethylsilyl)isoxazole, 95% | 181947-25-1 3-Bromo-5-(trimethylsilyl)isoxazole|CS-0103520|181947-25-1 https://www.jk-sci.com/products/s57c4x-206511 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df18af7c-b0d1-4adf-8f1f-e66dbfa17ac0.png?v=1791711090 Tolperisone impurity 11 HCl, 99.70% Tolperisone impurity 11 HCl|C4X-206511 https://www.jk-sci.com/products/s57c4x-206610 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_20da7737-c1b5-42f2-9901-9975a2690e32.png?v=1791711079 Alfa-Oxytocin Dimer, 96.50% Alfa-Oxytocin Dimer|C4X-206610 https://www.jk-sci.com/products/s57c4x-206625 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63ad01b0-1f07-43d4-baed-66324c1b60f0.png?v=1791711074 trisulfide bond-Oxytocin, Purity: 98.7% trisulfide bond-Oxytocin|C4X-206625 https://www.jk-sci.com/products/s57c4x-20653 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f92c5f359ca1164185f27addc6c35963.jpg?v=1791711085 Tolperisone Impurity 3, 99.20% | 91625-74-0 Tolperisone Impurity 3|C4X-20653|91625-74-0 https://www.jk-sci.com/products/s57c4x-206632 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_925bf86d-cf1b-4d5a-96a5-d29d50f16f42.png?v=1791711066 Di-Gly9-Oxytocin, 88.60% Di-Gly9-Oxytocin|C4X-206632 https://www.jk-sci.com/products/ts246cs-0103525 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fdaeb0fc7ac3e401d316a6f97fe9571.jpg?v=1791664025 5-Bromo-6-fluoro-2-methylquinoline, 98% | 80290-18-2 5-Bromo-6-fluoro-2-methylquinoline|CS-0103525|80290-18-2 https://www.jk-sci.com/products/ts246cs-0101377 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e46dc51745971a9d0673ca7088bdcbe2.jpg?v=1791665296 1-Nitro-2-naphthaldehyde, 97% | 101327-84-8 1-Nitro-2-naphthaldehyde|CS-0101377|101327-84-8 https://www.jk-sci.com/products/s57c4x-20665 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bf3b3e984a2bcf02e54a0ff9b127bac.jpg?v=1791711066 Glu4-Oxytocin, 91.20% | 4314-67-4 Glu4-Oxytocin|C4X-20665|4314-67-4 https://www.jk-sci.com/products/s57c4x-206844 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4431c5ce378d1bc5e90301ada603de5c.jpg?v=1791711043 Elagolix Impurity 44, 99.40% | 2316733-81-8 Elagolix Impurity 44|C4X-206844|2316733-81-8 https://www.jk-sci.com/products/s57c4x-20667 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a510895a72d002a5fe0f9de7aaa3bf7d.jpg?v=1791711061 Gly-OH9-Oxytocin, 94.50% | 24346-32-5 Gly-OH9-Oxytocin|C4X-20667|24346-32-5 https://www.jk-sci.com/products/s57c4x-20674 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c3bbef5ae2579c0b4c314760d46259f.jpg?v=1791711052 Papaverine EP Impurity D (Papaveraldine), Purity: 100.0% | 522-57-6 Papaverine EP Impurity D (Papaveraldine)|C4X-20674|522-57-6 https://www.jk-sci.com/products/s57c4x-206725 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81646af0ff0bcf224e5fdbdf4ca139c2.jpg?v=1791711056 Papaverine impurity 25, 95.70% | 33520-96-6 Papaverine impurity 25|C4X-206725|33520-96-6 https://www.jk-sci.com/products/s57c4x-20679 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cae1e30afbb6918194b3dc4d6d9255d1_1248807d-d170-464a-a47e-bde0aa683f9d.jpg?v=1791711047 3,4-Dimethoxyphenyl acetic acid, 96.20% | 93-40-3 3,4-Dimethoxyphenyl acetic acid|C4X-20679|93-40-3 https://www.jk-sci.com/products/ts246cs-0101717 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4626830be9d2b4948a1995c26ea9966.jpg?v=1791665060 (5-Bromo-2-fluorophenyl)(cyclopropyl)methanamine, 98.93%+ | 1270377-73-5 (5-Bromo-2-fluorophenyl)(cyclopropyl)methanamine|CS-0101717|1270377-73-5 https://www.jk-sci.com/products/ts246cs-0102090 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94aa4b348f8a41d69eed2ce351f5cb19.jpg?v=1791664853 3-Bromo-6-methoxypyrazolo[1,5-b]pyridazine, 97% | 1246552-73-7 3-Bromo-6-methoxypyrazolo[1,5-b]pyridazine|CS-0102090|1246552-73-7 https://www.jk-sci.com/products/s57c4x-20676 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6caf0cc14e646ddfd11a3b2c29d91e25.jpg?v=1791711050 Papaverine EP Impurity F, 99.80% | 139-76-4 Papaverine EP Impurity F|C4X-20676|139-76-4 https://www.jk-sci.com/products/s57c4x-20688 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b3cd7373cadfb56d697b53f9f5a9c85.jpg?v=1791711036 Elagolix Impurity 8, 98.20% | 2409132-61-0 Elagolix Impurity 8|C4X-20688|2409132-61-0 https://www.jk-sci.com/products/s57c4x-206854 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f82d5bee-8ee1-4cc6-bdcf-f9dc611cb1bc.png?v=1791711040 Elagolix Impurity 54, Purity: 96.2% Elagolix Impurity 54|C4X-206854 https://www.jk-sci.com/products/s57c4x-207118 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7dd497c9-6b31-4d1b-adf5-71da74866cc0.png?v=1791711032 Clofazimine Impurity 18, Purity: 97.4% Clofazimine Impurity 18|C4X-207118 https://www.jk-sci.com/products/s57c4x-20717 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de7d62dced5e04ea9a988bcf1968c411.jpg?v=1791711031 Clofazimine Impurity 7, 97.60% | 102262-55-5 Clofazimine Impurity 7|C4X-20717|102262-55-5 https://www.jk-sci.com/products/s57c4x-20731 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794812.png?v=1791711028 Lomefloxacin Impurity 1, 99.80% | 75338-42-0 Lomefloxacin Impurity 1|C4X-20731|75338-42-0 https://www.jk-sci.com/products/ts246cs-0102155 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a2ad62be5590145bfe7866223f4c748.jpg?v=1791664755 (4-(Aminomethyl)-3-fluorophenyl)boronic acid, 97% | 1073055-69-2 (4-(Aminomethyl)-3-fluorophenyl)boronic acid|CS-0102155|1073055-69-2 https://www.jk-sci.com/products/ts246cs-0102221 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be0622f90505b76a79fbb101d6f8767c.jpg?v=1791664652 (2-(Methylthio)pyrimidin-5-yl)methanol, 97% | 19858-50-5 (2-(Methylthio)pyrimidin-5-yl)methanol|CS-0102221|19858-50-5 https://www.jk-sci.com/products/ts246cs-0102491 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1837f4b1b4d0539dd0b37bcbf440070.jpg?v=1791664587 6-Nitroquinolin-4-ol, 97.00%+ | 23432-42-0 6-Nitroquinolin-4-ol|CS-0102491|23432-42-0 https://www.jk-sci.com/products/s57c4x-20774 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234e3f4884cf812b8b572c1809834bc4.jpg?v=1791711017 Fenoterol Impurity 4, 94.60% | 161040-25-1 Fenoterol Impurity 4|C4X-20774|161040-25-1 https://www.jk-sci.com/products/s57c4x-20764 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f87bf01384639ab917072f9c345f0c95.jpg?v=1791711022 Menaquinone Impurity 4, 91.40% | 72908-86-2 Menaquinone Impurity 4|C4X-20764|72908-86-2 https://www.jk-sci.com/products/s57c4x-207612 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0e1ff526aeb8b984e44f46a66d3de03.jpg?v=1791711023 Menaquinone Impurity 12, 94.90% | 3790-76-9 Menaquinone Impurity 12|C4X-207612|3790-76-9 https://www.jk-sci.com/products/ts246cs-0102643 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259f59565d3bc981319e747866e11dab.jpg?v=1791664534 Methyl 3-bromo-5-formyl-4-hydroxybenzoate, 98.00%+ | 706820-79-3 Methyl 3-bromo-5-formyl-4-hydroxybenzoate|CS-0102643|706820-79-3 https://www.jk-sci.com/products/ts246cs-0102753 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/292529_df7c7d5e-01b9-462f-a3e7-c293ffe9c772.png?v=1791664478 3-Methyl-5-nitrobenzo[d]isoxazole, 97% | 63770-48-9 3-Methyl-5-nitrobenzo[d]isoxazole|CS-0102753|63770-48-9 https://www.jk-sci.com/products/ts246cs-0102828 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fef19af9d980f91f95d08c2cacf0cee5.jpg?v=1791664434 6-Bromo-3-nitro-1H-pyrrolo[3,2-b]pyridine, 98% | 1190311-94-4 6-Bromo-3-nitro-1H-pyrrolo[3,2-b]pyridine|CS-0102828|1190311-94-4 https://www.jk-sci.com/products/s57c4x-207910 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9d8a5578614e052bd05a5a58d3ee91b.jpg?v=1791711013 Carglumic Acid impurity 10, 98.40% | 862672-48-8 Carglumic Acid impurity 10|C4X-207910|862672-48-8 https://www.jk-sci.com/products/ts246cs-0102851 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45e576c39cde9534f0e814d178938187.jpg?v=1791664414 (R)-Morpholine-2-carboxylic acid, 97% | 1212396-52-5 (R)-Morpholine-2-carboxylic acid|CS-0102851|1212396-52-5 https://www.jk-sci.com/products/s57c4x-207912 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_12c0368e-6d26-4e10-9e65-63f154b836d7.png?v=1791711008 Carglumic Acid impurity 12, 98.50% Carglumic Acid impurity 12|C4X-207912 https://www.jk-sci.com/products/s57c4x-20797 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1d2fc98670cde2d51fad714de56acdd.jpg?v=1791711008 Carglumic Acid impurity 7, 99.70% | 219844-08-3 Carglumic Acid impurity 7|C4X-20797|219844-08-3 https://www.jk-sci.com/products/ts246cs-0103004 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fee9c0b064db2e5af066b4f974ff38e5.jpg?v=1791664330 Methyl 2-chloro-5-(2-hydroxyethyl)benzoate, 98% | 272130-86-6 Methyl 2-chloro-5-(2-hydroxyethyl)benzoate|CS-0103004|272130-86-6 https://www.jk-sci.com/products/ts246cs-0103186 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b87000a750b50cc47136836d2e34d0a8.jpg?v=1791664300 1-(6-Methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridin-2-yl)ethan-1-one, 98% | 1242313-72-9 1-(6-Methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridin-2-yl)ethan-1-one|CS-0103186|1242313-72-9 https://www.jk-sci.com/products/s57c4x-20802 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367905.png?v=1791711003 Dimethyl Maleate, 94.70% | 624-48-6 Dimethyl Maleate|C4X-20802|624-48-6 https://www.jk-sci.com/products/s57c4x-208114 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31ca68868cc268301c5759887b979d46.jpg?v=1791710999 (5Z,9Z,13E)-Teprenone, 97.20% | 3879-24-1 (5Z,9Z,13E)-Teprenone|C4X-208114|3879-24-1 https://www.jk-sci.com/products/s57c4x-208117 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f945dffab1d97a739a22e710976f2c65.jpg?v=1791710998 (5E,9Z,13Z)-Teprenone, 97.50% | 3796-66-5 (5E,9Z,13Z)-Teprenone|C4X-208117|3796-66-5 https://www.jk-sci.com/products/ts246cs-0103271 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33f8881fef85eb844cb4459f3a5805f5.jpg?v=1791664278 Iobenguane, 97% | 80663-95-2 Iobenguane|CS-0103271|80663-95-2 https://www.jk-sci.com/products/ts246cs-0103308 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/551269_bd928565-8cf5-46f5-91c1-6b752267268e.png?v=1791664249 5,7-Dihydroxycoumarin, 97% | 2732-18-5 5,7-Dihydroxycoumarin|CS-0103308|2732-18-5 https://www.jk-sci.com/products/ts246cs-0103340 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad3e71ba5c2ce6aa64dcc4532080a439.jpg?v=1791664220 3,4-Dibromobenzonitrile, 97% | 188984-35-2 3,4-Dibromobenzonitrile|CS-0103340|188984-35-2 https://www.jk-sci.com/products/s57c4x-208122 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a0fa4c4f2e3ef9486946f9ecda3233e.jpg?v=1791710994 (5Z,9Z,13Z)-Teprenone, 98.10% | 3796-67-6 (5Z,9Z,13Z)-Teprenone|C4X-208122|3796-67-6 https://www.jk-sci.com/products/ts246cs-0103355 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1541164.png?v=1791664204 2-Bromobenzo[d]thiazol-6-amine, 98% | 945400-80-6 2-Bromobenzo[d]thiazol-6-amine|CS-0103355|945400-80-6 https://www.jk-sci.com/products/s57c4x-2084 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c1b3677bb27c3842d9952452c6626a6.jpg?v=1791710990 Lusutrombopag, Purity: 100.0% | 1110766-97-6 Lusutrombopag|C4X-2084|1110766-97-6 https://www.jk-sci.com/products/s57c4x-20817 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467405_14c3ca7d-2b3f-480c-9e0a-643b30b542e6.png?v=1791710989 Teprenone Impurity 7, 98.50% | 1113-21-9 Teprenone Impurity 7|C4X-20817|1113-21-9 https://www.jk-sci.com/products/s57c4x-208411 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2a5639b-b13b-4293-a6d7-3e3d018190c7.png?v=1791710983 Lusutrombopag Impurity 11, 90.80% Lusutrombopag Impurity 11|C4X-208411 https://www.jk-sci.com/products/ts246cs-0103369 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/849444c9f5120bdeae050c9a14b35f79.jpg?v=1791664188 3-Fluorothiophene-2-carbonitrile, 95% | 154499-46-4 3-Fluorothiophene-2-carbonitrile|CS-0103369|154499-46-4 https://www.jk-sci.com/products/s57c4x-208413 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9edc4069-dbe3-45e9-af59-3afc5ad68b3d.png?v=1791710980 Lusutrombopag Impurity 13, 96.10% Lusutrombopag Impurity 13|C4X-208413 https://www.jk-sci.com/products/s57c4x-208418 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95e2db6b9fbac627c1fac28cd9f0496e.jpg?v=1791710976 Lusutrombopag Impurity 18, 93.60% | 1110767-94-6 Lusutrombopag Impurity 18|C4X-208418|1110767-94-6 https://www.jk-sci.com/products/s57c4x-208415 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8eafd53-6f3a-4e1a-bd5d-a12599c448f6.png?v=1791710978 Lusutrombopag Impurity 15, 98.80% Lusutrombopag Impurity 15|C4X-208415 https://www.jk-sci.com/products/s57c4x-208424 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c127072f-f58f-4dc4-b9b9-9783da2384be.png?v=1791710970 Lusutrombopag Impurity 24, 99.20% Lusutrombopag Impurity 24|C4X-208424 https://www.jk-sci.com/products/ts246cs-0103388 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae91e954cf00bd0f56b20fda932fa064.jpg?v=1791664167 2-Amino-5-chloroisonicotinonitrile, 95% | 1393106-21-2 2-Amino-5-chloroisonicotinonitrile|CS-0103388|1393106-21-2 https://www.jk-sci.com/products/ts246cs-0103460 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3247603bb9399f986f2da0dcec10a586.jpg?v=1791664137 3-Chloro-2-hydroxybenzonitrile, 97% | 13073-27-3 3-Chloro-2-hydroxybenzonitrile|CS-0103460|13073-27-3 https://www.jk-sci.com/products/s57c4x-208426 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cf40654f-265c-461c-86a1-c63be0e19b8b.png?v=1791710967 Lusutrombopag Impurity 26, 98.10% Lusutrombopag Impurity 26|C4X-208426 https://www.jk-sci.com/products/ts246cs-0103468 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346776.png?v=1791664131 3-Bromo-4,5-dihydroxybenzaldehyde, 95% | 16414-34-9 3-Bromo-4,5-dihydroxybenzaldehyde|CS-0103468|16414-34-9 https://www.jk-sci.com/products/ts246cs-0103479 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f33622c4cc8cbf4d4db0750a9b89f32b.jpg?v=1791664114 tert-Butyl 3-(2-iodoethoxy)propanoate, 95% | 2296723-16-3 tert-Butyl 3-(2-iodoethoxy)propanoate|CS-0103479|2296723-16-3 https://www.jk-sci.com/products/s57c4x-208428 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4bd85afe-cc9b-4081-b5b7-45ae4d2b026a.png?v=1791710964 Lusutrombopag Impurity 28, 96.80% Lusutrombopag Impurity 28|C4X-208428 https://www.jk-sci.com/products/s57c4x-208432 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_02c38af9-decc-4896-bee1-b108f1d4766e.png?v=1791710958 Lusutrombopag Impurity 32, 99.40% Lusutrombopag Impurity 32|C4X-208432 https://www.jk-sci.com/products/ts246cs-0103495 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8938fc3fb900220adc6ad6e1bb3d3697.jpg?v=1791664093 5-(Trifluoromethyl)-1H-indole-3-carbaldehyde, 98.00%+ | 468718-16-3 5-(Trifluoromethyl)-1H-indole-3-carbaldehyde|CS-0103495|468718-16-3 https://www.jk-sci.com/products/s57c4x-208434 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc29ff79-7f2d-483f-b91a-c0af63412d43.png?v=1791710958 Lusutrombopag Impurity 34, 99.30% Lusutrombopag Impurity 34|C4X-208434 https://www.jk-sci.com/products/ts246cs-0103502 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0356b6942d6fdbe5bd4a5f0437398f2a.jpg?v=1791664083 Methyl 6-chloropyrazolo[1,5-a]pyridine-3-carboxylate, 97% | 1167055-86-8 Methyl 6-chloropyrazolo[1,5-a]pyridine-3-carboxylate|CS-0103502|1167055-86-8 https://www.jk-sci.com/products/s57c4x-208450 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6fed1c53-42e5-4fe0-92f7-48310ac1de24.png?v=1791710949 Lusutrombopag Impurity 50, 93.00% Lusutrombopag Impurity 50|C4X-208450 https://www.jk-sci.com/products/s57c4x-208436 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5e85a06-fc39-4cad-bd74-40b183380eed.png?v=1791710953 Lusutrombopag Impurity 36, 91.20% Lusutrombopag Impurity 36|C4X-208436 https://www.jk-sci.com/products/ts246cs-0103516 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d1f405e279ebe5abcb9213a6ffb6f26.jpg?v=1791664053 5-Methoxy-2-(methylsulfonyl)benzonitrile, 98% | 2044705-00-0 5-Methoxy-2-(methylsulfonyl)benzonitrile|CS-0103516|2044705-00-0 https://www.jk-sci.com/products/s57c4x-208452 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a446c6e2-8614-4514-a7f2-4f89015ba9f7.png?v=1791710939 Lusutrombopag Impurity 52, 98.20% Lusutrombopag Impurity 52|C4X-208452 https://www.jk-sci.com/products/s57c4x-208439 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_99d4584d-256e-4dbb-8530-bacc345e3d00.png?v=1791710949 Lusutrombopag Impurity 39, 91.50% Lusutrombopag Impurity 39|C4X-208439 https://www.jk-sci.com/products/s57c4x-20847 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_231724a7-76f3-44d0-9fb0-bac223f995c6.png?v=1791710938 Lusutrombopag Impurity 7, 94.10% Lusutrombopag Impurity 7|C4X-20847 https://www.jk-sci.com/products/ts246cs-0103527 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc6d1c78977262d466ea23422f7e7c29.jpg?v=1791664025 2,4,6-Tris(perfluorophenyl)-1,3,5-triazine, 96% | 160248-96-4 2,4,6-Tris(perfluorophenyl)-1,3,5-triazine|CS-0103527|160248-96-4 https://www.jk-sci.com/products/s57c4x-2085 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382429_6f7ffb0e-7da2-44ba-82c7-d99e5e64235a.png?v=1791710935 Nicergoline, 99.30% | 27848-84-6 Nicergoline|C4X-2085|27848-84-6 https://www.jk-sci.com/products/s57c4x-1913 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622346_42afb408-c439-43fb-be59-134b3cd81d15.png?v=1791712528 Rasagiline Mesylate, 98.10% | 161735-79-1 Rasagiline Mesylate|C4X-1913|161735-79-1 https://www.jk-sci.com/products/s57c4x-187320 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccccdb45021ff52b1bede1a8ce4ac288.jpg?v=1791712919 Thiamine /Vitamin B1 Impurity 20, 98.30% | 73-67-6 Thiamine /Vitamin B1 Impurity 20|C4X-187320|73-67-6 https://www.jk-sci.com/products/s57c4x-195814 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ca4740cb-0e57-48cd-ba2e-72caa9ee5485.png?v=1791712021 Hyoscine Butylbromide EP Impurity H, 95.50% Hyoscine Butylbromide EP Impurity H|C4X-195814 https://www.jk-sci.com/products/s57c4x-19253 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9d3ca11e31502db208eaf663c6a71c0.jpg?v=1791712306 5,6-trans Travoprost, 96.70% | 1563176-59-9 5,6-trans Travoprost|C4X-19253|1563176-59-9 https://www.jk-sci.com/products/s57c4x-19363 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e019f74a-1d00-45fc-816d-36ce5a6f65bd.png?v=1791712194 Dequalinium EP Impurity C Triiodide, 99.00% Dequalinium EP Impurity C Triiodide|C4X-19363 https://www.jk-sci.com/products/s57c4x-19519 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/572939_1c54a5e4-4454-4b57-b25c-62bdbf84890e.png?v=1791712082 Fluvoxamine EP Impurity D, 97.10% | 61718-80-7 Fluvoxamine EP Impurity D|C4X-19519|61718-80-7 https://www.jk-sci.com/products/ts246cs-0103591 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9695057a594c305f15d8891c70ce134e.jpg?v=1791664003 Ethyl 2-isopropylthiazole-4-carboxylate, 99.55%+ | 133047-44-6 Ethyl 2-isopropylthiazole-4-carboxylate|CS-0103591|133047-44-6 https://www.jk-sci.com/products/s57c4x-196233 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a0198573-0e6b-4790-ada6-f77dedbe39d9.png?v=1791711957 Varenicline Impurity 33, 94.90% Varenicline Impurity 33|C4X-196233 https://www.jk-sci.com/products/s57c4x-19706 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/178aa9eba89159bd73eb060f07120823.jpg?v=1791711889 Granisetron EP Impurity E, 95.10% | 76272-56-5 Granisetron EP Impurity E|C4X-19706|76272-56-5 https://www.jk-sci.com/products/s57c4x-19748 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/585950_7f870e5d-4267-4e2e-b836-8d89f9e93035.png?v=1791711829 D-Glutamine, 99.90% | 5959-95-5 D-Glutamine|C4X-19748|5959-95-5 https://www.jk-sci.com/products/s57c4x-198689 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf3b51c1c7d86787c965a8aa74c5574.jpg?v=1791711744 Bumetanide Impurity 89, 95.60% | 688047-81-6 Bumetanide Impurity 89|C4X-198689|688047-81-6 https://www.jk-sci.com/products/s57c4x-198616 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_693b0dbe-e81e-40a3-90a0-5854c4a043a4.png?v=1791711771 Bumetanide Impurity 16, 97.40% Bumetanide Impurity 16|C4X-198616 https://www.jk-sci.com/products/s57c4x-19994 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539018_88dfdffc-695d-4b94-b82c-e28cfbc7aa92.png?v=1791711682 Pleuromutilin, 95.60% | 125-65-5 Pleuromutilin|C4X-19994|125-65-5 https://www.jk-sci.com/products/s57c4x-19932 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/165d1b31a51d19ca00d4cea756dc867e.jpg?v=1791711713 Clenbuterol EP impurity B HCI, Purity: 99.8% | 37845-71-9 Clenbuterol EP impurity B HCI|C4X-19932|37845-71-9 https://www.jk-sci.com/products/s57c4x-200252 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e588b384-361d-4a42-9e6c-bd45271a1a70.png?v=1791711644 Bromfenac Impurity 52, Purity: 99.7% Bromfenac Impurity 52|C4X-200252 https://www.jk-sci.com/products/s57c4x-2007106 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_55cd51e0-132d-42f2-a8db-346483cfbe46.png?v=1791711611 Brivaracetam impurity 106, 95.80% Brivaracetam impurity 106|C4X-2007106 https://www.jk-sci.com/products/s57c4x-20079 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2af78d47-896e-486b-8080-a1cf365790cb.png?v=1791711586 Brivaracetam Impurity 9, 93.00% Brivaracetam Impurity 9|C4X-20079 https://www.jk-sci.com/products/ts246cs-0103614 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0d49212343d806481b48aa83d3b334d.jpg?v=1791663989 Ethyl 2-amino-4-isopropylthiazole-5-carboxylate, 98% | 72850-76-1 Ethyl 2-amino-4-isopropylthiazole-5-carboxylate|CS-0103614|72850-76-1 https://www.jk-sci.com/products/s57c4x-20103 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5813c4c415f53775304ad2cde0cee598.jpg?v=1791711562 Carbocisteine Impurity 3, 99.50% | 88620-38-6 Carbocisteine Impurity 3|C4X-20103|88620-38-6 https://www.jk-sci.com/products/s57c4x-201613 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18846870cb9185d6afdde8b175fe41d3.jpg?v=1791711532 Lornoxicam Impurity 13, 90.90% | 2322849-92-1 Lornoxicam Impurity 13|C4X-201613|2322849-92-1 https://www.jk-sci.com/products/ts246cs-0103646 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dda3354b53ce225ef0a261706fd7795.jpg?v=1791663975 tert-Butyl (S)-3-cyanomorpholine-4-carboxylate, 98% | 1257856-86-2 tert-Butyl (S)-3-cyanomorpholine-4-carboxylate|CS-0103646|1257856-86-2 https://www.jk-sci.com/products/s57c4x-202120 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_02115d2d-52d6-41e6-b4ec-f7d8609d13c6.png?v=1791711469 Crisaborole Impurity 20, Purity: 98.8% Crisaborole Impurity 20|C4X-202120 https://www.jk-sci.com/products/s57c4x-202166 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0be99265c4ced490871a8e98c3687ab6.jpg?v=1791711441 Crisaborole Impurity 66, 86.90% | 2247957-30-6 Crisaborole Impurity 66|C4X-202166|2247957-30-6 https://www.jk-sci.com/products/s57c4x-20167 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91724663141c0917d40395d62095eb9a.jpg?v=1791711505 Lornoxicam Impurity 7, 90.90% | 187746-94-7 Lornoxicam Impurity 7|C4X-20167|187746-94-7 https://www.jk-sci.com/products/s57c4x-20214 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100463_330e2b28-d930-4c16-96a0-8ca51bf2e75a.png?v=1791711454 Crisaborole Impurity 4, 96.30% | 403-54-3 Crisaborole Impurity 4|C4X-20214|403-54-3 https://www.jk-sci.com/products/s57c4x-201918 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37fe0be226ac14e530ba0a00d375c323.jpg?v=1791711485 o-Nicotine, Purity: 97.7% | 23950-04-1 o-Nicotine|C4X-201918|23950-04-1 https://www.jk-sci.com/products/s57c4x-202178 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4622646aa7221fbd0d0c7fc7ff6c48cd.jpg?v=1791711424 Crisaborole lmpurity 78, Purity: 96.4% | 2251695-12-0 Crisaborole lmpurity 78|C4X-202178|2251695-12-0 https://www.jk-sci.com/products/s57c4x-202412 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a863da4cb34db773cb4c80f6173ba215.jpg?v=1791711406 Etoposide EP Impurity L, 99.80% | 40505-27-9 Etoposide EP Impurity L|C4X-202412|40505-27-9 https://www.jk-sci.com/products/s57c4x-20249 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d8e9bc8d353399011e22b04b6a7f304.jpg?v=1791711396 Etoposide EP Impurity I, 97.60% | 111712-42-6 Etoposide EP Impurity I|C4X-20249|111712-42-6 https://www.jk-sci.com/products/ts246cs-0103653 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be928a2146a8ff438b6a0224cfade0f7.jpg?v=1791663964 (S)-Morpholine-2-carbonitrile hydrochloride, 98.00%+ | 1417789-39-9 (S)-Morpholine-2-carbonitrile hydrochloride|CS-0103653|1417789-39-9 https://www.jk-sci.com/products/s57c4x-202727 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_afe1c198-9a98-4006-a5a4-7d6ae139cce8.png?v=1791711377 Proparacaine Impurity 27, Purity: 100.0% Proparacaine Impurity 27|C4X-202727 https://www.jk-sci.com/products/s57c4x-2029 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322872_f04bab97-52b1-4027-af82-e722bf3e0394.png?v=1791711357 Ebastine, 99.80% | 90729-43-4 Ebastine|C4X-2029|90729-43-4 https://www.jk-sci.com/products/s57c4x-202923 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d8b125cc-01ca-48cd-808a-ca4e518b369b.png?v=1791711343 N-Nitroso Ebastine EP Impurity C, 99.80% N-Nitroso Ebastine EP Impurity C|C4X-202923 https://www.jk-sci.com/products/s57c4x-204234 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13c7d1dd-df9b-42ac-b333-34d7edb3de03.png?v=1791711226 Neostigmine impurity 34, 99.80% Neostigmine impurity 34|C4X-204234 https://www.jk-sci.com/products/s57c4x-204214 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433297_60bfade3-16d6-4910-be4e-887e7e7f96f5.png?v=1791711244 Pyridostigmine Bromide, 97.40% | 101-26-8 Pyridostigmine Bromide|C4X-204214|101-26-8 https://www.jk-sci.com/products/s57c4x-203120 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fc7e29df-4593-48b6-9e05-13dfb328e6eb.png?v=1791711312 Revefenacin Impurity 20, 90.50% Revefenacin Impurity 20|C4X-203120 https://www.jk-sci.com/products/ts246cs-0103672 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553047.png?v=1791663955 4-(Methylsulfonyl)benzenesulfonyl chloride, 97.00%+ | 82964-91-8 4-(Methylsulfonyl)benzenesulfonyl chloride|CS-0103672|82964-91-8 https://www.jk-sci.com/products/s57c4x-20316 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_96474c46-dafa-4166-ba7f-f268553713f1.png?v=1791711296 Revefenacin Impurity 6, 94.80% Revefenacin Impurity 6|C4X-20316 https://www.jk-sci.com/products/ts246cs-0103684 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525768.png?v=1791663949 4-((tert-Butoxycarbonyl)amino)-2-chlorobenzoic acid, 97% | 232275-73-9 4-((tert-Butoxycarbonyl)amino)-2-chlorobenzoic acid|CS-0103684|232275-73-9 https://www.jk-sci.com/products/s57c4x-20373 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06b3bce0730f5a88b04305603dd02316.jpg?v=1791711263 Bisacodyl EP Impurity C, 98.20% | 72901-16-7 Bisacodyl EP Impurity C|C4X-20373|72901-16-7 https://www.jk-sci.com/products/s57c4x-20451 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf565b60078d6ddbd5c3ae23383211eb_2bdd0869-d2b5-44fb-8031-1f007b0c4973.jpg?v=1791711215 Osimertinib, 99.00% | 1421373-65-0 Osimertinib|C4X-20451|1421373-65-0 https://www.jk-sci.com/products/s57c4x-204540 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_659baf34-df02-4f75-b47f-34dc1a812018.png?v=1791711200 Osimertinib Impurity 40, 97.70% Osimertinib Impurity 40|C4X-204540 https://www.jk-sci.com/products/ts246cs-0103768 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a246bc4deb0cde0d9a26d92b2e8841ae.jpg?v=1791663921 (2R,3S,4R,5R)-2-((S)-1-Aminoethyl)-5-methoxytetrahydrofuran-3,4-diol, 95% | 2244622-23-7 (2R,3S,4R,5R)-2-((S)-1-Aminoethyl)-5-methoxytetrahydrofuran-3,4-diol|CS-0103768|2244622-23-7 https://www.jk-sci.com/products/s57c4x-20466 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ded6704f-d098-4e21-9459-d781b9727a4e.png?v=1791711170 Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone), 93.00% Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)|C4X-20466 https://www.jk-sci.com/products/s57c4x-204914 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2aaf3ce5-6abb-408d-b1b7-6044157ea1fb.png?v=1791711165 Phenacetin Impurity 14, 95.10% Phenacetin Impurity 14|C4X-204914 https://www.jk-sci.com/products/s57c4x-204595 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9e767df-7b27-4c4e-9558-d91fcb9e6255.png?v=1791711191 Osimertinib Impurity 95, 96.80% Osimertinib Impurity 95|C4X-204595 https://www.jk-sci.com/products/s57c4x-20361 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261254_e1e07277-3684-43bb-b235-8aeddfd56c4e.png?v=1791711274 DL-Cloprostenol Sodium Salt, 94.10% | 55028-72-3 DL-Cloprostenol Sodium Salt|C4X-20361|55028-72-3 https://www.jk-sci.com/products/ts246cs-0103856 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4432d394adff317bd07a60e74fdb8cea.jpg?v=1791663914 (1Z,3Z)-1,3-Bis(((S)-4-phenyl-4,5-dihydrooxazol-2-yl)methylene)isoindoline, 97% | 1358991-52-2 (1Z,3Z)-1,3-Bis(((S)-4-phenyl-4,5-dihydrooxazol-2-yl)methylene)isoindoline|CS-0103856|1358991-52-2 https://www.jk-sci.com/products/s57c4x-20462 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d03a84d817ace8bad7d44cc702ddd774.jpg?v=1791711180 Ketotifen EP Impurity B (Enantiomer Mixture), 97.70% | 59743-88-3 Ketotifen EP Impurity B (Enantiomer Mixture)|C4X-20462|59743-88-3 https://www.jk-sci.com/products/s57c4x-20513 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f6e386c3-c5f3-417b-99f1-6d9ae0e8a5c5.png?v=1791711160 Calcium Dobesilate Impurity 3, 96.20% Calcium Dobesilate Impurity 3|C4X-20513 https://www.jk-sci.com/products/s57c4x-204556 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7e71c24e-0512-4558-a630-aa4fd1ac92ef.png?v=1791711196 Osimertinib Impurity 56, 90.40% Osimertinib Impurity 56|C4X-204556 https://www.jk-sci.com/products/ts246cs-0103897 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27fe7ec609c9ecbda77174e396636a4b.jpg?v=1791663897 (4R,4'R,5S,5'S)-2,2'-Cyclopropylidenebis[4,5-dihydro-4,5-diphenyloxazole], 97% | 229184-96-7 (4R,4'R,5S,5'S)-2,2'-Cyclopropylidenebis[4,5-dihydro-4,5-diphenyloxazole]|CS-0103897|229184-96-7 https://www.jk-sci.com/products/ts246cs-0103911 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be2cd3930618ea6fa47579bb8fa0edc5.jpg?v=1791663886 (S)-(5-Azaspiro[2.4]heptan-6-yl)methanol hydrochloride, 95% | 2200258-97-3 (S)-(5-Azaspiro[2.4]heptan-6-yl)methanol hydrochloride|CS-0103911|2200258-97-3 https://www.jk-sci.com/products/ts246cs-0103945 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9aa4bf567814eebc40699bb5f7739a96.jpg?v=1791663886 (11bR)-2,6-Bis[4-(tert-butyl)phenyl]-8,9,10,11,12,13,14,15-octahydro-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 97.00%+ | 1569807-27-7 (11bR)-2,6-Bis[4-(tert-butyl)phenyl]-8,9,10,11,12,13,14,15-octahydro-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin|CS-0103945|1569807-27-7 https://www.jk-sci.com/products/s57c4x-2031 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f80bfd65ae6b0d38e86700260547395.jpg?v=1791711329 Revefenacin, 91.60% | 864750-70-9 Revefenacin|C4X-2031|864750-70-9 https://www.jk-sci.com/products/ts246cs-0103971 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1da0f490f42e5f3e21ece220db24cf7.jpg?v=1791663869 Ethyl 5-methyl-1H-pyrrole-3-carboxylate, 97% | 2199-50-0 Ethyl 5-methyl-1H-pyrrole-3-carboxylate|CS-0103971|2199-50-0 https://www.jk-sci.com/products/ts246cs-0103989 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db107045adb8918eb56b9ac77d2eeb9e.jpg?v=1791663860 (4S,4'S)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[4,5-dihydro-4-tert-butyloxazole], 97% | 2757082-06-5 (4S,4'S)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[4,5-dihydro-4-tert-butyloxazole]|CS-0103989|2757082-06-5 https://www.jk-sci.com/products/s57c4x-2055 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/255294_9a882961-d3f4-4f88-847b-d190cff0a593.png?v=1791711151 Vidarabine, Purity: 100.0% | 5536-17-4 Vidarabine|C4X-2055|5536-17-4 https://www.jk-sci.com/products/ts246cs-0103994 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ace017a000608a449f23e407efeac9_0dac42d4-01fb-4c6a-9aa1-cf697010f69e.jpg?v=1791663860 (3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole], 97% | 188780-28-1 (3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole]|CS-0103994|188780-28-1 https://www.jk-sci.com/products/ts246cs-0104028 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa6e03c4ab529ebc44ab9c96225bd5fd_04025ca0-e623-44a9-8431-161163c7751e.jpg?v=1791663841 (3aR,3'aR,8aS,8'aS)-2,2'-Cyclohexylidenebis[3a,8a-dihydro-dihydro-8H-indeno[1,2-d]oxazole, 95% | 2085239-89-8 (3aR,3'aR,8aS,8'aS)-2,2'-Cyclohexylidenebis[3a,8a-dihydro-dihydro-8H-indeno[1,2-d]oxazole|CS-0104028|2085239-89-8 https://www.jk-sci.com/products/ts246cs-0104073 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20bd7f7e0ac7dada5f4b74b8d41cfbdf.jpg?v=1791663835 1-(2,3-Difluoro-5-nitrophenyl)ethan-1-one, 97% | 1310349-62-2 1-(2,3-Difluoro-5-nitrophenyl)ethan-1-one|CS-0104073|1310349-62-2 https://www.jk-sci.com/products/s57c4x-205821 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c058a440-2ef4-4738-85da-3ab39f2edee5.png?v=1791711128 Ruxolitinib Impurity 21, 97.90% Ruxolitinib Impurity 21|C4X-205821 https://www.jk-sci.com/products/s57c4x-205810 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70536b34bbf8c6d9a294e0a5cbbf04e4.jpg?v=1791711141 rac-Ruxolitinib-d9 (major), Purity>95% | 2469553-67-9 rac-Ruxolitinib-d9 (major)|C4X-205810|2469553-67-9 https://www.jk-sci.com/products/s57c4x-205838 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ac31b523ddaa22660dbd9e2627e0579.jpg?v=1791711125 Ruxolitinib Impurity 38, 94.50% | 1974336-79-2 Ruxolitinib Impurity 38|C4X-205838|1974336-79-2 https://www.jk-sci.com/products/s57c4x-205816 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fac64ea5357266673c90c378f75b912.jpg?v=1791711135 Ruxolitinib Impurity 16, Purity: 95.8% | 28791-95-9 Ruxolitinib Impurity 16|C4X-205816|28791-95-9 https://www.jk-sci.com/products/ts246cs-0104225 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db3cb454dadef8d0cee1728cca0097d7.jpg?v=1791663820 tert-Butyl 2-(2-oxopiperazin-1-yl)acetate, 95% | 176371-67-8 tert-Butyl 2-(2-oxopiperazin-1-yl)acetate|CS-0104225|176371-67-8 https://www.jk-sci.com/products/s57c4x-20585 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3054d681c7a47beeb54b0df5e3e071f1.jpg?v=1791711115 (S)-Ruxolitinib, 97.40% | 941685-37-6 (S)-Ruxolitinib|C4X-20585|941685-37-6 https://www.jk-sci.com/products/s57c4x-206618 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c27acdfc-0452-412f-9136-eb69ddf078a3.png?v=1791711079 Oxytocin Impurity 18, 96.90% Oxytocin Impurity 18|C4X-206618 https://www.jk-sci.com/products/ts246cs-0104360 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d16555b134ded0367d1455adf6513fa5.jpg?v=1791663813 tert-Butyl 3-oxo-2,3,4,5,7,8-hexahydropyrazolo[3,4-d]azepine-6(1H)-carboxylate, 99.20%+ | 851376-80-2 tert-Butyl 3-oxo-2,3,4,5,7,8-hexahydropyrazolo[3,4-d]azepine-6(1H)-carboxylate|CS-0104360|851376-80-2 https://www.jk-sci.com/products/s57c4x-20616 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116568_d5b77b26-a966-4ccb-9a07-abfd9ea20c0f.png?v=1791711095 Carboplatin Impurity 6, 99.70% | 3721-95-7 Carboplatin Impurity 6|C4X-20616|3721-95-7 https://www.jk-sci.com/products/ts246cs-0104417 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8d3d913be490a773eb09bab595bd780.jpg?v=1791663808 1,1,1-Trifluoro-N-[(11bS)-8,9,10,11,12,13,14,15-octahydro-4-oxido-2,6-diphenyl-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide, 95% | 1773513-29-3 1,1,1-Trifluoro-N-[(11bS)-8,9,10,11,12,13,14,15-octahydro-4-oxido-2,6-diphenyl-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide|CS-0104417|1773513-29-3 https://www.jk-sci.com/products/ts246cs-0104492 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443621.png?v=1791663791 4-(Piperidin-4-yl)pyridine, 98% | 581-45-3 4-(Piperidin-4-yl)pyridine|CS-0104492|581-45-3 https://www.jk-sci.com/products/s57c4x-20672 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c47a597768352fbbd924ac5c6acdf48e.jpg?v=1791711057 Papaverine EP Impurity B (Papaverinol), Purity: 99.8% | 482-76-8 Papaverine EP Impurity B (Papaverinol)|C4X-20672|482-76-8 https://www.jk-sci.com/products/ts246cs-0107363 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae88ae2b96f1bd214d301f338ec0e723.jpg?v=1791662928 2-Methyl-1-(methylthio)propan-2-amine, 97% | 36567-04-1 2-Methyl-1-(methylthio)propan-2-amine|CS-0107363|36567-04-1 https://www.jk-sci.com/products/s57c4x-20593 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0460c106361612b3b6480931e3f6f065.jpg?v=1791711101 Praziquantel EP Impurity C, 92.80% | 125273-88-3 Praziquantel EP Impurity C|C4X-20593|125273-88-3 https://www.jk-sci.com/products/s57c4x-20664 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/993b1dcfd950186a753aaf7745e21cd2.jpg?v=1791711066 Asp5-Oxytocin, 96.90% | 65907-78-0 Asp5-Oxytocin|C4X-20664|65907-78-0 https://www.jk-sci.com/products/s57c4x-20588 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6ef5738c2dfa34e7d7eab1197075c1b.jpg?v=1791711110 Ruxolitinib Impurity 8, 99.10% | 2606144-45-8 Ruxolitinib Impurity 8|C4X-20588|2606144-45-8 https://www.jk-sci.com/products/s57c4x-20675 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a3aa011f0777c230649425d89673c00.jpg?v=1791711051 Papaverine EP Impurity E HCl (Tetrahydropapaverine HCl), Purity: 99.7% | 6429-04-5 Papaverine EP Impurity E HCl (Tetrahydropapaverine HCl)|C4X-20675|6429-04-5 https://www.jk-sci.com/products/s57c4x-2068 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3086a557f035082489c9ee38b6a0b8dc.jpg?v=1791711044 Elagolix Sodium Salt, 97.80% | 832720-36-2 Elagolix Sodium Salt|C4X-2068|832720-36-2 https://www.jk-sci.com/products/s57c4x-206856 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaf4f1283185e4e5341b8b88ab41bf17.jpg?v=1791711038 Elagolix Impurity 56, Purity: 97.5% | 102089-75-8 Elagolix Impurity 56|C4X-206856|102089-75-8 https://www.jk-sci.com/products/s57c4x-20713 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58bbb8a5994059931e7b4e5d548dacb8.jpg?v=1791711033 Clofazimine Impurity 3, 99.10% | 90712-89-3 Clofazimine Impurity 3|C4X-20713|90712-89-3 https://www.jk-sci.com/products/s57c4x-20733 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c42b6e1c847bf3ece9a5a6ee115638c2.jpg?v=1791711027 Lomefloxacin Impurity 3, 93.50% | 98079-83-5 Lomefloxacin Impurity 3|C4X-20733|98079-83-5 https://www.jk-sci.com/products/ts246cs-0104537 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db5c6ea4e60e9775fe4d0321a2ccf050.jpg?v=1791663779 2-(4-Chlorophenyl)-2-fluoroacetic acid, 97% | 74590-69-5 2-(4-Chlorophenyl)-2-fluoroacetic acid|CS-0104537|74590-69-5 https://www.jk-sci.com/products/s57c4x-20765 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d52b08da-e3d7-43b5-a9e0-0256a946f2f3.png?v=1791711018 Menaquinone Impurity 5 (Mixture of Isomers), 96.80% Menaquinone Impurity 5 (Mixture of Isomers)|C4X-20765 https://www.jk-sci.com/products/s57c4x-208115 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_82f91ca9-08ca-4f6d-8411-4aa2b0ee8c3a.png?v=1791710998 Teprenone Epoxide ( Mixture ), 98.20% Teprenone Epoxide ( Mixture )|C4X-208115 https://www.jk-sci.com/products/s57c4x-20799 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fff14500d984e599b9f5e3c542b7f51.jpg?v=1791711004 Carglumic Acid impurity 9, 99.50% | 926903-86-8 Carglumic Acid impurity 9|C4X-20799|926903-86-8 https://www.jk-sci.com/products/s57c4x-207911 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19b189e3-f0da-454b-b3d8-ae1b95ab6c8b.png?v=1791711012 Carglumic Acid impurity 11, 96.00% Carglumic Acid impurity 11|C4X-207911 https://www.jk-sci.com/products/ts246cs-0104661 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501357.png?v=1791663763 O-(2,4-Dichlorobenzyl)hydroxylamine hydrochloride, 96.17%+ | 51572-93-1 O-(2,4-Dichlorobenzyl)hydroxylamine hydrochloride|CS-0104661|51572-93-1 https://www.jk-sci.com/products/ts246cs-0100779 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/daf5e92d865488190ab20d791b5b2b0f_24a21080-fb51-472d-bab0-d55dbd6cbca9.jpg?v=1791665738 7-Deaza-2'-deoxy-7-iodoadenosine, 98% | 166247-63-8 7-Deaza-2'-deoxy-7-iodoadenosine|CS-0100779|166247-63-8 https://www.jk-sci.com/products/s57c4x-208127 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473002_a5445a87-14a7-4bd1-8cc7-80716a2bb59d.png?v=1791710994 Teprenone [mixture of (5E,9E,13E)- and (5Z,9E,13E)- isomers], 98.40% | 6809-52-5 Teprenone [mixture of (5E,9E,13E)- and (5Z,9E,13E)- isomers]|C4X-208127|6809-52-5 https://www.jk-sci.com/products/s57c4x-208438 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_235d0952-4e97-43e8-b4d7-b87caa79506a.png?v=1791710953 Lusutrombopag Impurity 38, 93.10% Lusutrombopag Impurity 38|C4X-208438 https://www.jk-sci.com/products/s57c4x-208451 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3df922ed-b7cb-4def-a139-d221d96d80c6.png?v=1791710944 Lusutrombopag Impurity 51, 97.90% Lusutrombopag Impurity 51|C4X-208451 https://www.jk-sci.com/products/s57c4x-208410 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07395256-7f0a-4652-9b59-9d0c066f45bb.png?v=1791710985 Lusutrombopag Impurity 10, 95.50% Lusutrombopag Impurity 10|C4X-208410 https://www.jk-sci.com/products/s57c4x-20849 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d2416a9f-bca3-4c29-963b-40a2fb18c487.png?v=1791710935 Lusutrombopag Impurity 9, 99.20% Lusutrombopag Impurity 9|C4X-20849 https://www.jk-sci.com/products/s57c4x-208419 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36f4cf5ad7877041c571868ce14abddd.jpg?v=1791710976 Lusutrombopag Impurity 19, 95.60% | 1110768-00-7 Lusutrombopag Impurity 19|C4X-208419|1110768-00-7 https://www.jk-sci.com/products/s57c4x-208414 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a574a046-92c5-46b4-b3e8-cc994e763c05.png?v=1791710979 Lusutrombopag Z-isomer, 97.40% Lusutrombopag Z-isomer|C4X-208414 https://www.jk-sci.com/products/s57c4x-208427 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9172e8c-f28c-4131-81c6-2e7b2924dd58.png?v=1791710964 Lusutrombopag Impurity 27, 98.20% Lusutrombopag Impurity 27|C4X-208427 https://www.jk-sci.com/products/s57c4x-208433 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71c52859-06d8-4ac6-abc8-402319be27cf.png?v=1791710959 Lusutrombopag Impurity 33, 96.50% Lusutrombopag Impurity 33|C4X-208433 https://www.jk-sci.com/products/s57c4x-208519 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458892_3fa71f8a-f681-48c7-972c-b69c171cbf31.png?v=1791710930 Nicergoline EP Impurity D, 99.80% | 20826-04-4 Nicergoline EP Impurity D|C4X-208519|20826-04-4 https://www.jk-sci.com/products/s57c4x-20859 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4363c95d-ca8e-4987-9e13-6e3e28e3f00a.png?v=1791710925 Nicergoline EP Impurity I, 95.50% Nicergoline EP Impurity I|C4X-20859 https://www.jk-sci.com/products/s57c4x-20856 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d32281b1b014d25a36a86e1abe9d398.jpg?v=1791710930 Nicergoline EP Impurity F, 95.20% | 58001-19-7 Nicergoline EP Impurity F|C4X-20856|58001-19-7 https://www.jk-sci.com/products/s57c4x-208624 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_31b06225-5829-46b6-b791-282f73bc895c.png?v=1791710920 Dacomitinib Impurity 24, 98.30% Dacomitinib Impurity 24|C4X-208624 https://www.jk-sci.com/products/s57c4x-208626 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_031110f6-d70e-4b01-850d-cafd24bef012.png?v=1791710916 Dacomitinib Impurity 26, 94.00% Dacomitinib Impurity 26|C4X-208626 https://www.jk-sci.com/products/ts246cs-0102024 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53642083efeb9d4c76ae34d19a8df855.jpg?v=1791664931 2-Hydroxy-4,6-dimethylbenzoic acid, 97% | 6370-32-7 2-Hydroxy-4,6-dimethylbenzoic acid|CS-0102024|6370-32-7 https://www.jk-sci.com/products/s57c4x-20864 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fca32060f199b3c0257b28a04f0eed2b.jpg?v=1791710915 Dacomitinib Impurity 4, 99.50% | 179552-75-1 Dacomitinib Impurity 4|C4X-20864|179552-75-1 https://www.jk-sci.com/products/s57c4x-20913 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76d3af49b343443606382a7ab9b3ec9e.jpg?v=1791710909 Ioversol Hydrolyzate(N-Desmethyl Iomeprol), 98.10% | 77868-40-7 Ioversol Hydrolyzate(N-Desmethyl Iomeprol)|C4X-20913|77868-40-7 https://www.jk-sci.com/products/s57c4x-20891 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af0c2bd5-d083-4020-af40-38cc13140400.png?v=1791710911 Vincristine EP Impurity A, 95.90% Vincristine EP Impurity A|C4X-20891 https://www.jk-sci.com/products/ts246cs-0102175 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160918.png?v=1791664730 2-(2-Bromopyridin-4-yl)acetic acid, 95% | 183483-29-6 2-(2-Bromopyridin-4-yl)acetic acid|CS-0102175|183483-29-6 https://www.jk-sci.com/products/ts246cs-0102592 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b126e43f419e167f250d0420d4ac1566.jpg?v=1791664554 Methyl 2-amino-4-methylbenzo[d]thiazole-6-carboxylate, 97% | 225525-63-3 Methyl 2-amino-4-methylbenzo[d]thiazole-6-carboxylate|CS-0102592|225525-63-3 https://www.jk-sci.com/products/ts246cs-0102804 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127f6a531d46c74bde30d03ea03725a3.jpg?v=1791664453 4-Chloro-3-methoxypicolinic acid, 97% | 170621-86-0 4-Chloro-3-methoxypicolinic acid|CS-0102804|170621-86-0 https://www.jk-sci.com/products/s57c4x-20916 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2b2772d94fb908f61e1cd60b0e2daad.jpg?v=1791710905 Ioversol Impurity 6, 94.40% | 2922747-40-6 Ioversol Impurity 6|C4X-20916|2922747-40-6 https://www.jk-sci.com/products/s57c4x-20956 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51c8b5ffa006af80a5483843a8901588.jpg?v=1791710897 D-Glucose-6-phosphate disodium salt, Purity: 100.0% | 3671-99-6 D-Glucose-6-phosphate disodium salt|C4X-20956|3671-99-6 https://www.jk-sci.com/products/s57c4x-20931 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa8e049b747ee29e29e83a6eb9c90a9a.jpg?v=1791710902 Aminomethylbenzoic Acid Impurity 1, 99.90% | 14900-61-9 Aminomethylbenzoic Acid Impurity 1|C4X-20931|14900-61-9 https://www.jk-sci.com/products/ts246cs-0102872 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c50509f82ad978dbe9df51990464ad54.jpg?v=1791664383 4,4'-Dibromo-3,3'-bithiophene, 97% | 5556-13-8 4,4'-Dibromo-3,3'-bithiophene|CS-0102872|5556-13-8 https://www.jk-sci.com/products/s57c4x-20963 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157227.png?v=1791710891 Benazepril EP Impurity C, 99.30% | 86541-78-8 Benazepril EP Impurity C|C4X-20963|86541-78-8 https://www.jk-sci.com/products/s57c4x-209613 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7ec8ae53-d268-468a-9b81-c3f1e4578289.png?v=1791710893 Benazepril Impurity 13, 95.60% Benazepril Impurity 13|C4X-209613 https://www.jk-sci.com/products/s57c4x-20965 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa6534bae524ae4860e8193487d6c98f.jpg?v=1791710888 Benazepril EP Impurity E HCl(Benazepril USP Related Compound E HCl), Purity: 99.6% | 88372-47-8 Benazepril EP Impurity E HCl(Benazepril USP Related Compound E HCl)|C4X-20965|88372-47-8 https://www.jk-sci.com/products/s57c4x-20967 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cee0fb942dc1039409f71750c9ab84bb.jpg?v=1791710883 Benazepril EP Impurity G(hydrochloride), 98.10% | 103129-58-4 Benazepril EP Impurity G(hydrochloride)|C4X-20967|103129-58-4 https://www.jk-sci.com/products/s57c4x-21005 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c84b03d938c2d28271af779e47817cfa_d8505fae-d7fc-4cc4-bb8c-1df63f4b40cd.jpg?v=1791710878 Remdesivir Impurity 5, Purity: 99.2% | 1191237-69-0 Remdesivir Impurity 5|C4X-21005|1191237-69-0 https://www.jk-sci.com/products/ts246cs-0103250 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57d2656c84ab1c9c1668343f57fe19ba.jpg?v=1791664284 5-Bromo-4-chloro-2-nitrophenol, 97% | 855400-82-7 5-Bromo-4-chloro-2-nitrophenol|CS-0103250|855400-82-7 https://www.jk-sci.com/products/s57c4x-21023 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3153f36d20b6a88ba3421ef17f32566d.jpg?v=1791710872 Favipiravir Impurity 3, 99.70% | 259793-88-9 Favipiravir Impurity 3|C4X-21023|259793-88-9 https://www.jk-sci.com/products/s57c4x-2100 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58d9716d82d1f78ccca8b15c03915cfc.jpg?v=1791710881 Remdesivir, 90.10% | 1809249-37-3 Remdesivir|C4X-2100|1809249-37-3 https://www.jk-sci.com/products/s57c4x-21026 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a192ee40333b83e281b9f23effac1656.jpg?v=1791710868 Favipiravir Impurity 6, Purity: 100.0% | 356783-28-3 Favipiravir Impurity 6|C4X-21026|356783-28-3 https://www.jk-sci.com/products/s57c4x-21031 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c01df40-d9d0-4412-a4b4-e66039db0dca.png?v=1791710862 Carboprost Trometamol EP Impurity B Tromethamine Salt, 94.50% Carboprost Trometamol EP Impurity B Tromethamine Salt|C4X-21031 https://www.jk-sci.com/products/s57c4x-21038 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513778.png?v=1791710858 Carboprost Trometamol EP Impurity B, 88.20% | 35864-81-4 Carboprost Trometamol EP Impurity B|C4X-21038|35864-81-4 https://www.jk-sci.com/products/ts246cs-0103315 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d27d6d6cd048ffa3618f7838df5703d.jpg?v=1791664243 2-Ethylbenzo[b]thiophene-3-carbaldehyde, 95% | 64860-34-0 2-Ethylbenzo[b]thiophene-3-carbaldehyde|CS-0103315|64860-34-0 https://www.jk-sci.com/products/s57c4x-21047 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e02e4b80-ed87-4fa5-81a7-7673df364397.png?v=1791710853 Chloroquine USP Related Compound G, 93.00% Chloroquine USP Related Compound G|C4X-21047 https://www.jk-sci.com/products/s57c4x-210511 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d81ed1b0-bff6-43ae-8b52-b5332fda4a96.png?v=1791710852 Estrone Impurity 11, 96.90% Estrone Impurity 11|C4X-210511 https://www.jk-sci.com/products/s57c4x-21052 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471925.png?v=1791710849 Estrone-D4, Purity>95% | 53866-34-5 Estrone-D4|C4X-21052|53866-34-5 https://www.jk-sci.com/products/ts246cs-0103360 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff3db5f62e8923df2c4365c1d896d16.jpg?v=1791664199 4-Methylthiophene-3-carbonitrile, 95% | 73229-39-7 4-Methylthiophene-3-carbonitrile|CS-0103360|73229-39-7 https://www.jk-sci.com/products/s57c4x-21059 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7ca5a49-d45f-45c6-a592-20dc56285891.png?v=1791710845 Estrone Impurity 9, 95.20% Estrone Impurity 9|C4X-21059 https://www.jk-sci.com/products/ts246cs-0103393 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e792b824d64e0346ffd35d59423f7ee.jpg?v=1791664161 Methyl 4-fluoro-3-formylbenzoate, 97% | 1093865-65-6 Methyl 4-fluoro-3-formylbenzoate|CS-0103393|1093865-65-6 https://www.jk-sci.com/products/s57c4x-210612 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7b97fac6-7a5b-4e30-8718-4fed00bf87f4.png?v=1791710840 Disulfide Bonded Polymers A-Linaclotide, 95.70% Disulfide Bonded Polymers A-Linaclotide|C4X-210612 https://www.jk-sci.com/products/s57c4x-21068 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99ba83862a8ec42026c395dfda35f4ee.jpg?v=1791710839 Linaclotide, 97.70% | 851199-59-2 Linaclotide|C4X-21068|851199-59-2 https://www.jk-sci.com/products/s57c4x-210610 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3aebaa04-4f27-4637-a2cf-646012a446f7.png?v=1791710842 Ins-Ala9-Linaclotide, 94.00% Ins-Ala9-Linaclotide|C4X-210610 https://www.jk-sci.com/products/ts246cs-0103476 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7052f2bedb36c1e732895998eeadf26.jpg?v=1791664119 Ethyl 1H-pyrrolo[2,3-b]pyridine-4-carboxylate, 95% | 1261588-72-0 Ethyl 1H-pyrrolo[2,3-b]pyridine-4-carboxylate|CS-0103476|1261588-72-0 https://www.jk-sci.com/products/s57c4x-21081 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d07251043c4df3accd90691a6d3e436.jpg?v=1791710834 Baloxavir Impurity 1, 99.60% | 1985607-70-2 Baloxavir Impurity 1|C4X-21081|1985607-70-2 https://www.jk-sci.com/products/ts246cs-0103508 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42eb74a5b607d6145385db20401e59e5.jpg?v=1791664063 Ethyl 2-(cyclopropylamino)-6-oxo-1,6-dihydropyrimidine-5-carboxylate, 95% | 1343491-58-6 Ethyl 2-(cyclopropylamino)-6-oxo-1,6-dihydropyrimidine-5-carboxylate|CS-0103508|1343491-58-6 https://www.jk-sci.com/products/s57c4x-210811 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96f43f0a107697506eba403a8e4376ae.jpg?v=1791710824 Baloxavir Impurity 11, 96.20% | 3047100-03-5 Baloxavir Impurity 11|C4X-210811|3047100-03-5 https://www.jk-sci.com/products/s57c4x-2108104 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd7f8857-c353-42b4-9c25-f75c3d1808fe.png?v=1791710832 Baloxavir Impurity 104, 99.00% Baloxavir Impurity 104|C4X-2108104 https://www.jk-sci.com/products/s57c4x-210816 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_86164678-01a0-405b-a531-0889c9ee17df.png?v=1791710815 Baloxavir Impurity 16, 98.40% Baloxavir Impurity 16|C4X-210816 https://www.jk-sci.com/products/s57c4x-2108107 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c56ff1d1f0e1add088e3a88392c3b494.jpg?v=1791710828 Baloxavir Impurity 107, 97.50% | 2136287-64-2 Baloxavir Impurity 107|C4X-2108107|2136287-64-2 https://www.jk-sci.com/products/s57c4x-210812 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8387dfc9b09e204f1087a4c66dff9503.jpg?v=1791710824 Baloxavir Impurity 12, 99.70% | 2136287-88-0 Baloxavir Impurity 12|C4X-210812|2136287-88-0 https://www.jk-sci.com/products/s57c4x-210814 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dc894a57-9c62-4d25-9cac-8a3977e0d3f2.png?v=1791710818 Baloxavir Impurity 14, 88.10% Baloxavir Impurity 14|C4X-210814 https://www.jk-sci.com/products/s57c4x-210817 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70a8c5e7d1be680a831925186a8ea636.jpg?v=1791710814 Baloxavir Impurity 17, 99.40% | 2136287-65-3 Baloxavir Impurity 17|C4X-210817|2136287-65-3 https://www.jk-sci.com/products/s57c4x-210821 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc6dc21dc7423c7e0d28af80d1d93f2f.jpg?v=1791710809 Baloxavir Impurity 21, 98.90% | 1985607-68-8 Baloxavir Impurity 21|C4X-210821|1985607-68-8 https://www.jk-sci.com/products/s57c4x-210828 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/800dd473e809c87375dc277fc70a452d.jpg?v=1791710806 Baloxavir Impurity 28, 96.30% | 2762066-97-5 Baloxavir Impurity 28|C4X-210828|2762066-97-5 https://www.jk-sci.com/products/s57c4x-21083 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9648c56098cc9a3193e59b2ea405029_5b4a15c1-3e6e-492d-b987-faf8f165385b.jpg?v=1791710805 Baloxavir Impurity 3, 99.10% | 1985606-14-1 Baloxavir Impurity 3|C4X-21083|1985606-14-1 https://www.jk-sci.com/products/s57c4x-210834 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/797c7115317c63a47f44e7c5dabd33a3_60bd97a5-f933-4c06-8f0f-fc051d7e1621.jpg?v=1791710797 Baloxavir Impurity 34, 99.80% | 2136287-66-4 Baloxavir Impurity 34|C4X-210834|2136287-66-4 https://www.jk-sci.com/products/s57c4x-210840 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6fe9ea8bb063f6068cbe97b3d5db6f5.jpg?v=1791710797 Baloxavir Impurity 40, 96.80% | 2826217-70-1 Baloxavir Impurity 40|C4X-210840|2826217-70-1 https://www.jk-sci.com/products/s57c4x-210848 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac87e0458b9d9eed181c2cc2cccf5ff5_2af2bc60-8d74-4c60-a64c-c2e2ad1f7b11.jpg?v=1791710792 Baloxavir Impurity 48, 95.50% | 3047099-99-7 Baloxavir Impurity 48|C4X-210848|3047099-99-7 https://www.jk-sci.com/products/s57c4x-210851 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/809a43674f3c4d4d85db0aab0cf34bf5.jpg?v=1791710786 Baloxavir Impurity 51, 98.90% | 2136287-61-9 Baloxavir Impurity 51|C4X-210851|2136287-61-9 https://www.jk-sci.com/products/s57c4x-210866 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ff8a5ca-d1b7-4fa1-b6ee-f045a6b2241b.png?v=1791710780 Baloxavir Impurity 66, 93.00% Baloxavir Impurity 66|C4X-210866 https://www.jk-sci.com/products/s57c4x-210872 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6951ae25540fa410e000a84b4794299.jpg?v=1791710783 Baloxavir Impurity 72, 92.20% | 1985606-53-8 Baloxavir Impurity 72|C4X-210872|1985606-53-8 https://www.jk-sci.com/products/ts246cs-0103546 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22aa2628b4022246263dd6c9b3ef6c8b.jpg?v=1791664014 4-Bromo-5-fluoro-2-nitrobenzaldehyde, 98% | 213382-40-2 4-Bromo-5-fluoro-2-nitrobenzaldehyde|CS-0103546|213382-40-2 https://www.jk-sci.com/products/s57c4x-210880 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e95f184f27e1776a49741a52414764f9.jpg?v=1791710777 Baloxavir impurity 80, 98.80% | 2136287-77-7 Baloxavir impurity 80|C4X-210880|2136287-77-7 https://www.jk-sci.com/products/s57c4x-2110 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/632823.png?v=1791710771 Ibutilide 1/2Fumarate, 98.00% | 122647-32-9 Ibutilide 1/2Fumarate|C4X-2110|122647-32-9 https://www.jk-sci.com/products/s57c4x-21116 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32d808fb2091d9540b71a4e7c36076de_f43e461f-e26e-4ba0-9126-c8f6c726a7c7.jpg?v=1791710771 Nadifloxacin Impurity 6, 97.90% | 87-13-8 Nadifloxacin Impurity 6|C4X-21116|87-13-8 https://www.jk-sci.com/products/s57c4x-21145 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea94801572d71ffa016153fa579aa025.jpg?v=1791710763 Ethyl L-camphorsulfonate, 98.60% | 1242184-36-6 Ethyl L-camphorsulfonate|C4X-21145|1242184-36-6 https://www.jk-sci.com/products/s57c4x-21143 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346c2f6f412bb24792d1a751840194d1.jpg?v=1791710762 Methyl Levocamphorsulfonate, 98.10% | 83603-04-7 Methyl Levocamphorsulfonate|C4X-21143|83603-04-7 https://www.jk-sci.com/products/s57c4x-21168 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b793ac118bf1915164db18409a13a4c.jpg?v=1791710753 Treprostinil Methyl Ester, Purity: 98.6% | 81845-98-9 Treprostinil Methyl Ester|C4X-21168|81845-98-9 https://www.jk-sci.com/products/ts246cs-0103622 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01b9f8af0f1eb826cf594a707b743e22.jpg?v=1791663984 1,1'-Bis[(2S,5S)-2,5-diMethyl-1-phospholanyl]ferrocene, 95% | 162412-87-5 1,1'-Bis[(2S,5S)-2,5-diMethyl-1-phospholanyl]ferrocene|CS-0103622|162412-87-5 https://www.jk-sci.com/products/ts246cs-0103666 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416577_c5016409-ab69-4f3a-b02f-9019e29ba58a.png?v=1791663959 Fmoc-Ser-OMe, 98.36%+ | 82911-78-2 Fmoc-Ser-OMe|CS-0103666|82911-78-2 https://www.jk-sci.com/products/s57c4x-21193 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d43ddafb6bc185546a71263fccaa5377.jpg?v=1791710747 Bisphenol A Impurity 3, 99.40% | 2300-15-4 Bisphenol A Impurity 3|C4X-21193|2300-15-4 https://www.jk-sci.com/products/s57c4x-2120111 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4d8e6ee278151a5268a209bc192cb64.jpg?v=1791710743 Gadobutrol Impurity 111, 99.60% | 619-73-8 Gadobutrol Impurity 111|C4X-2120111|619-73-8 https://www.jk-sci.com/products/ts246cs-0103713 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9136e044568519e16153d1112e132ed3.jpg?v=1791663933 (9H-Fluoren-9-yl)methyl (5-hydroxypentyl)carbamate, 97% | 209115-33-3 (9H-Fluoren-9-yl)methyl (5-hydroxypentyl)carbamate|CS-0103713|209115-33-3 https://www.jk-sci.com/products/s57c4x-2120121 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618605_2b1e9aef-e050-46fd-ab63-59d1e865811a.png?v=1791710742 Gadobutrol Impurity 121, 96.20% | 122555-91-3 Gadobutrol Impurity 121|C4X-2120121|122555-91-3 https://www.jk-sci.com/products/s57c4x-21211 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11c9afe89931cc9194a68ea23d4ff09c.jpg?v=1791710736 Aminolevulinic Acid Related Compound A, 95.80% | 77479-02-8 Aminolevulinic Acid Related Compound A|C4X-21211|77479-02-8 https://www.jk-sci.com/products/s57c4x-21223 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371809.png?v=1791710733 Mycophenolic Acid β-D-Glucuronide, Purity: 98.2% | 31528-44-6 Mycophenolic Acid β-D-Glucuronide|C4X-21223|31528-44-6 https://www.jk-sci.com/products/s57c4x-212327 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c695291e-a4a1-484c-a2dc-43c408c04867.png?v=1791710730 Sivelestat Impurity 27, Purity: 98.6% Sivelestat Impurity 27|C4X-212327 https://www.jk-sci.com/products/ts246cs-0103894 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481974_d23a2918-85b1-4cd9-a030-1731644f0c0a.png?v=1791663903 4-Aminobutanamide hydrochloride, 97% | 13031-62-4 4-Aminobutanamide hydrochloride|CS-0103894|13031-62-4 https://www.jk-sci.com/products/s57c4x-21233 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dc3f86d4bd9a3e6c3088fef0249f8f0.jpg?v=1791710727 Sivelestat sodium Impurity 3, 94.60% | 155023-59-9 Sivelestat sodium Impurity 3|C4X-21233|155023-59-9 https://www.jk-sci.com/products/s57c4x-21234 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f2af3f6dc380e2df49709b24490f00c.jpg?v=1791710725 Sivelestat sodium Impurity 4, 90.20% | 188114-98-9 Sivelestat sodium Impurity 4|C4X-21234|188114-98-9 https://www.jk-sci.com/products/ts246cs-0103942 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/582148_ab877379-935c-4ac9-a867-cf2e1bce03ca.png?v=1791663885 4-Bromo-3-chloro-2-fluoroaniline, 98% | 115843-99-7 4-Bromo-3-chloro-2-fluoroaniline|CS-0103942|115843-99-7 https://www.jk-sci.com/products/s57c4x-21311 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609341_75b1c284-85d4-46aa-993d-f8ad2ed51c5b.png?v=1791710718 Liothyronine EP Impurity B, 91.70% | 300-39-0 Liothyronine EP Impurity B|C4X-21311|300-39-0 https://www.jk-sci.com/products/s57c4x-21261 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1b8467cda9ac59f79ac51a881aeb192.jpg?v=1791710722 Phenoxymethylpenicillin EP Impurity D, 94.20% | 20880-67-5 Phenoxymethylpenicillin EP Impurity D|C4X-21261|20880-67-5 https://www.jk-sci.com/products/s57c4x-213416 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227337.png?v=1791710715 2'-Chloroacetophenone, 97.80% | 2142-68-9 2'-Chloroacetophenone|C4X-213416|2142-68-9 https://www.jk-sci.com/products/s57c4x-21421 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375863_c6e3f363-6ce7-4eb4-a676-7aabdd2fd3d1.png?v=1791710704 Flunixin Meglumine EP Impurity C, 96.90% | 1452-94-4 Flunixin Meglumine EP Impurity C|C4X-21421|1452-94-4 https://www.jk-sci.com/products/s57c4x-2140 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc02b57ce1e5a05c4647ff790711f642.jpg?v=1791710708 Eldecalcitol, 96.10% | 104121-92-8 Eldecalcitol|C4X-2140|104121-92-8 https://www.jk-sci.com/products/s57c4x-2137 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552812_e5803923-c495-498f-904f-dd15b0274c0d.png?v=1791710713 Trilostane, 99.00% | 13647-35-3 Trilostane|C4X-2137|13647-35-3 https://www.jk-sci.com/products/ts246cs-0103982 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573747fb117d5337697594bc58fd08cd.jpg?v=1791663865 (4R,4'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole], 95% | 2757082-00-9 (4R,4'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole]|CS-0103982|2757082-00-9 https://www.jk-sci.com/products/s57c4x-21425 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71d365ea0d63ce81b634e8eea2157189.jpg?v=1791710701 Meglumine Impurity 5, 91.70% | 10356-92-0 Meglumine Impurity 5|C4X-21425|10356-92-0 https://www.jk-sci.com/products/s57c4x-2146 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428681_bbd2f0d2-1585-4530-8b36-13ab234bb726.png?v=1791710698 Hydantoin, 98.80% | 461-72-3 Hydantoin|C4X-2146|461-72-3 https://www.jk-sci.com/products/ts246cs-0104019 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd3d6d711cd23149f6d6f63453b0b863.jpg?v=1791663846 (R,S)-BisPh-cpbBox, 97% | 2133827-34-4 (R,S)-BisPh-cpbBox|CS-0104019|2133827-34-4 https://www.jk-sci.com/products/s57c4x-214624 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202473.png?v=1791710693 5-Benzylidenehydantoin, 99.00% 5-Benzylidenehydantoin|C4X-214624 https://www.jk-sci.com/products/s57c4x-21465 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dc774a1a039ba037e034cf28d8becf1.jpg?v=1791710682 Hydantoin Impurity 5, Purity: 98.2% | 1433954-32-5 Hydantoin Impurity 5|C4X-21465|1433954-32-5 https://www.jk-sci.com/products/s57c4x-214627 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05c982789390ad2d9737c4ad71a4d3c9.jpg?v=1791710689 Hydantoin Impurity 27, 80.60% | 121565-48-8 Hydantoin Impurity 27|C4X-214627|121565-48-8 https://www.jk-sci.com/products/s57c4x-21481 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebf0fd55436b5c9f9148cca8fe99b4db.jpg?v=1791710678 Troxipide Impurity 1, 96.80% | 31638-96-7 Troxipide Impurity 1|C4X-21481|31638-96-7 https://www.jk-sci.com/products/s57c4x-21489 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b36eef374bbc820de1a8325d6aafa8ff.jpg?v=1791710672 Troxipide Impurity 9, 90.20% | 73448-94-9 Troxipide Impurity 9|C4X-21489|73448-94-9 https://www.jk-sci.com/products/s57c4x-214912 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153144_857f0b5d-45b6-456f-993a-0655297a3864.png?v=1791710668 Diquafosol Impurity 12, 90.40% | 19817-92-6 Diquafosol Impurity 12|C4X-214912|19817-92-6 https://www.jk-sci.com/products/s57c4x-214917 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109071_0f7a53df-1c43-4c8b-9356-8ce4758c3bd9.png?v=1791710663 Guanosine-5'-triphosphate Trisodium Salt, 82.60% | 36051-31-7 Guanosine-5'-triphosphate Trisodium Salt|C4X-214917|36051-31-7 https://www.jk-sci.com/products/s57c4x-18101 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132667616ae8ce4310c74482301d86c4.jpg?v=1791713707 Procaterol Impurity 1, 90.10% | 59827-93-9 Procaterol Impurity 1|C4X-18101|59827-93-9 https://www.jk-sci.com/products/ts246cs-0104216 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103106_3f4bafe9-ec39-4863-b0ea-4c5f5e5eca3d.png?v=1791663822 5-Amino-1-(4-fluorophenyl)-1H-pyrazole-4-carbonitrile, 98% | 51516-70-2 5-Amino-1-(4-fluorophenyl)-1H-pyrazole-4-carbonitrile|CS-0104216|51516-70-2 https://www.jk-sci.com/products/s57c4x-192050 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_224776b1-2723-4542-8cd6-929148d8f154.png?v=1791712397 Endo-4a-Ser-Goserelin, 96.70% Endo-4a-Ser-Goserelin|C4X-192050 https://www.jk-sci.com/products/ts246cs-0104384 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65ad185b2b616b30ee043dd3590c7121.jpg?v=1791663812 tert-Butyl 1-methyl-4-nitro-1H-imidazole-2-carboxylate, 98% | 179983-49-4 tert-Butyl 1-methyl-4-nitro-1H-imidazole-2-carboxylate|CS-0104384|179983-49-4 https://www.jk-sci.com/products/s57c4x-19608 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed87d32ba87412acd2f4b19ec53cf0a2.jpg?v=1791711989 Cilastatin Ammonium Salt, Purity: 100.0% | 877674-82-3 Cilastatin Ammonium Salt|C4X-19608|877674-82-3 https://www.jk-sci.com/products/s57c4x-19413 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa0d9f75e8c1272578cfed2f85b1f729.jpg?v=1791712140 Latanoprost Impurity 1, 98.60% | 2088449-88-9 Latanoprost Impurity 1|C4X-19413|2088449-88-9 https://www.jk-sci.com/products/s57c4x-197319 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b7fe0de70ceb926a009c3e851e19629.jpg?v=1791711860 Doxapram Impurity 19, Purity: 99.8% | 14563-97-4 Doxapram Impurity 19|C4X-197319|14563-97-4 https://www.jk-sci.com/products/s57c4x-198640 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/927b5d8657e2b47a8996faa12f8bd286.jpg?v=1791711757 Bumetanide Impurity 40, 96.40% | 688047-82-7 Bumetanide Impurity 40|C4X-198640|688047-82-7 https://www.jk-sci.com/products/s57c4x-199621 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/483681_e7784ff2-25be-4e36-95f0-b637e0980005.png?v=1791711701 Dinoprost trometamol, 98.70% | 38562-01-5 Dinoprost trometamol|C4X-199621|38562-01-5 https://www.jk-sci.com/products/s57c4x-20052 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/684616f941127b1c34b638cb63e05078.jpg?v=1791711626 Cytarabine Impurity 2, Purity: 99.6% | 6829-31-8 Cytarabine Impurity 2|C4X-20052|6829-31-8 https://www.jk-sci.com/products/s57c4x-20094 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1c6c8fcd93db26806c22d9def24a1da.jpg?v=1791711573 Riluzole Impurity 4, 99.90% | 144631-82-3 Riluzole Impurity 4|C4X-20094|144631-82-3 https://www.jk-sci.com/products/ts246cs-0104535 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37f93c0aebeb821192f417c8478f4879.jpg?v=1791663784 4-(((tert-Butoxycarbonyl)amino)methyl)tetrahydro-2H-pyran-4-carboxylic acid, 95.00%+ | 946761-11-1 4-(((tert-Butoxycarbonyl)amino)methyl)tetrahydro-2H-pyran-4-carboxylic acid|CS-0104535|946761-11-1 https://www.jk-sci.com/products/ts246cs-0104706 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/879a1d5a994c5f917b6b57c2cee3ccac.jpg?v=1791663751 6-Bromo-7-nitro-1,4-dihydroquinoxaline-2,3-dione, 98% | 115581-82-3 6-Bromo-7-nitro-1,4-dihydroquinoxaline-2,3-dione|CS-0104706|115581-82-3 https://www.jk-sci.com/products/s57c4x-201640 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7954767-9d63-476a-9de7-5d743568f785.png?v=1791711517 Lornoxicam Impurity 40, 98.40% Lornoxicam Impurity 40|C4X-201640 https://www.jk-sci.com/products/ts246cs-0104878 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118cbaebb7e50944751cbdf89d3aeb1f.jpg?v=1791663721 (R)-N-Benzyl-2-(3-(3,5-bis(trifluoromethyl)phenyl)thioureido)-N,3,3-trimethylbutanamide, 97.00%+ | 1938090-71-1 (R)-N-Benzyl-2-(3-(3,5-bis(trifluoromethyl)phenyl)thioureido)-N,3,3-trimethylbutanamide|CS-0104878|1938090-71-1 https://www.jk-sci.com/products/ts246cs-0104902 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b3455c96ddd1d0c118f1d3d6a099611.jpg?v=1791663706 2-Hydroxy-5-isopropylbenzaldehyde, 97% | 68591-07-1 2-Hydroxy-5-isopropylbenzaldehyde|CS-0104902|68591-07-1 https://www.jk-sci.com/products/ts246cs-0104955 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1497085.png?v=1791663685 (9R)-6'-Cinchonan-9-amine Trihydrochloride, 97% | 168960-94-9 (9R)-6'-Cinchonan-9-amine Trihydrochloride|CS-0104955|168960-94-9 https://www.jk-sci.com/products/ts246cs-0104985 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61f3c0cf95ee3a138a96923c65279b91.jpg?v=1791663669 Bis-PEG4-NHS ester, 95.00%+ | 1314378-11-4 Bis-​PEG4-​NHS ester|CS-0104985|1314378-11-4 https://www.jk-sci.com/products/s57c4x-2021131 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ca129271e06299d0775ef778abced8a.jpg?v=1791711479 Crisaborole impurity 131, Purity: 99.5% | 2250222-38-7 Crisaborole impurity 131|C4X-2021131|2250222-38-7 https://www.jk-sci.com/products/s57c4x-202154 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0d63589f7dedb92b9f2cff7372d1904.jpg?v=1791711446 Crisaborole Impurity 54, 95.50% | 2990481-66-6 Crisaborole Impurity 54|C4X-202154|2990481-66-6 https://www.jk-sci.com/products/ts246cs-0105011 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_81e9127f-b8d6-4be8-bc8d-86c1e6f67e8b.png?v=1791663657 (S)-tBu-Ferrox, 97.00%+ | 162157-02-0 (S)-tBu-Ferrox|CS-0105011|162157-02-0 https://www.jk-sci.com/products/s57c4x-202718 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ca60a366-5a18-46a3-8261-129f96ba8623.png?v=1791711385 Proparacaine Impurity 18 2HCl, 97.70% Proparacaine Impurity 18 2HCl|C4X-202718 https://www.jk-sci.com/products/s57c4x-202191 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79b9da37-b40f-4a9b-a5d9-6c964c1d2802.png?v=1791711413 Deflazacort Impurity 91, 90.50% Deflazacort Impurity 91|C4X-202191 https://www.jk-sci.com/products/s57c4x-202914 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_138f2c32-7a09-4b0b-b276-7e1eb73ba20a.png?v=1791711350 Ebastine Impurity 14, 95.50% Ebastine Impurity 14|C4X-202914 https://www.jk-sci.com/products/s57c4x-203112 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a10f643b-7c55-4d7e-a630-fefa78d94ecc.png?v=1791711319 Revefenacin Impurity 12, 95.90% Revefenacin Impurity 12|C4X-203112 https://www.jk-sci.com/products/ts246cs-0105015 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2cd8cec5-fa36-404b-80d4-e56d7454f397.png?v=1791663651 (R)-iPr-Ferrox, 97% (R)-iPr-Ferrox|CS-0105015 https://www.jk-sci.com/products/s57c4x-20319 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aac404c2-ae1e-42c8-be6c-9825226749a2.png?v=1791711290 Revefenacin Impurity 9, 96.10% Revefenacin Impurity 9|C4X-20319 https://www.jk-sci.com/products/ts246cs-0105020 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/424922.png?v=1791663646 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde, 97% | 950-81-2 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde|CS-0105020|950-81-2 https://www.jk-sci.com/products/s57c4x-20394 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a3bfc9a4707e55541fdbe8b3c110102.jpg?v=1791711254 Columbamine HCl, Purity: 98.7% | 1916-10-5 Columbamine HCl|C4X-20394|1916-10-5 https://www.jk-sci.com/products/ts246cs-0105026 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/372792.png?v=1791663645 Methyl 3-formyl-1H-indole-2-carboxylate, 98% | 18450-26-5 Methyl 3-formyl-1H-indole-2-carboxylate|CS-0105026|18450-26-5 https://www.jk-sci.com/products/ts246cs-0105050 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2aa1927f23c8d891f061425cad42104b.jpg?v=1791663619 Propargyl-C2-NHS ester, 97% | 906564-59-8 Propargyl-C2-NHS ester|CS-0105050|906564-59-8 https://www.jk-sci.com/products/ts246cs-0105066 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3a5e85e4c93c5d0a36929db9c9ce9c3.jpg?v=1791663605 Propargyl-PEG4-NHS ester, 95% | 1428629-70-2 Propargyl-PEG4-NHS ester|CS-0105066|1428629-70-2 https://www.jk-sci.com/products/s57c4x-204244 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_490f04e9-3ea9-4dad-bbb3-7eeb9e057ec0.png?v=1791711222 Neostigmine impurity 44, 92.20% Neostigmine impurity 44|C4X-204244 https://www.jk-sci.com/products/s57c4x-204543 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_775fc6bc-53b2-4717-943d-346d65f14468.png?v=1791711200 Osimertinib Impurity 43, 97.10% Osimertinib Impurity 43|C4X-204543 https://www.jk-sci.com/products/ts246cs-0105087 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef50fe23a16f5a5f99150295506259cc.jpg?v=1791663600 N3-PEG4-C2-Pfp ester, 97.00%+ | 1353012-00-6 N3-PEG4-C2-Pfp ester|CS-0105087|1353012-00-6 https://www.jk-sci.com/products/s57c4x-204612 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293551_fa2f4fae-2593-4ef0-a205-d0aa14a23aa9.png?v=1791711186 Ketotifen, Purity: 97.6% | 34580-13-7 Ketotifen|C4X-204612|34580-13-7 https://www.jk-sci.com/products/ts246cs-0105113 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7e62c5d050c9e0485367c062aa94df4.jpg?v=1791663589 6-Iodo-3,4-dihydroquinolin-2(1H)-one, 97% | 296759-29-0 6-Iodo-3,4-dihydroquinolin-2(1H)-one|CS-0105113|296759-29-0 https://www.jk-sci.com/products/ts246cs-0105258 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21f56cd02a0713735fba52b7b871d1ac.jpg?v=1791663569 6-Bromo-3-(2-chloro-5-(trifluoromethyl)pyrimidin-4-yl)-1-(phenylsulfonyl)-1H-indole, 95.00%+ | 2173193-44-5 6-Bromo-3-(2-chloro-5-(trifluoromethyl)pyrimidin-4-yl)-1-(phenylsulfonyl)-1H-indole|CS-0105258|2173193-44-5 https://www.jk-sci.com/products/s57c4x-20468 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ca8efc2e7ce71114821fe340fa9d831.jpg?v=1791711171 Ketotifen Impurity 8, 99.10% | 59743-84-9 Ketotifen Impurity 8|C4X-20468|59743-84-9 https://www.jk-sci.com/products/s57c4x-20518 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245748bcc19c50c0e74ff9efc8a7e94a.jpg?v=1791711151 Calcium Dobesilate Impurity 8, 69.30% | 81010-88-0 Calcium Dobesilate Impurity 8|C4X-20518|81010-88-0 https://www.jk-sci.com/products/s57c4x-205811 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f706d2e63dab12c0faded8879d9e95e.jpg?v=1791711140 Ruxolitinib Impurity 11, Purity: 99.6% | 2950130-23-9 Ruxolitinib Impurity 11|C4X-205811|2950130-23-9 https://www.jk-sci.com/products/s57c4x-205836 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_198e8838-375b-450f-9498-3681f0fb8dcb.png?v=1791711123 Ruxolitinib Impurity 36, 94.80% Ruxolitinib Impurity 36|C4X-205836 https://www.jk-sci.com/products/s57c4x-20603 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316898_e50d6938-e8af-4002-9eb7-c96aada9d87a.png?v=1791711100 1-Methyl-2-(methylthio)imidazole, 93.70% | 14486-52-3 1-Methyl-2-(methylthio)imidazole|C4X-20603|14486-52-3 https://www.jk-sci.com/products/s57c4x-20587 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c70903a9-84d3-43fd-bf76-5c34ab24682a.png?v=1791711113 Ruxolitinib Impurity 7, Purity: 98.4% Ruxolitinib Impurity 7|C4X-20587 https://www.jk-sci.com/products/ts246cs-0105339 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8af68facbd2319d02de082c31fbcaf22.jpg?v=1791663528 2-Bromo-4-(tert-butyl)benzoic acid, 97% | 6332-96-3 2-Bromo-4-(tert-butyl)benzoic acid|CS-0105339|6332-96-3 https://www.jk-sci.com/products/ts246cs-0105377 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dfb9943dbae6e7c61bc94e6fe23a785.jpg?v=1791663516 5-(Difluoromethyl)-2-fluorophenol, 96% | 1214348-52-3 5-(Difluoromethyl)-2-fluorophenol|CS-0105377|1214348-52-3 https://www.jk-sci.com/products/ts246cs-0105403 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427892.png?v=1791663498 NH-bis(C1-Boc), 98% | 85916-13-8 NH-bis(C1-Boc)|CS-0105403|85916-13-8 https://www.jk-sci.com/products/s57c4x-2066 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b73a6e44c3ae395d8c6e1bd63e57063.jpg?v=1791711080 Oxytocin Acetate, 90.60% | 6233-83-6 Oxytocin Acetate|C4X-2066|6233-83-6 https://www.jk-sci.com/products/s57c4x-20666 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52d904c5-f8d2-4dc3-9106-60a992aaa057.png?v=1791711061 Glu4,Asp5-Oxytocin, Purity: 96.8% Glu4,Asp5-Oxytocin|C4X-20666 https://www.jk-sci.com/products/s57c4x-20678 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/542501_1e03610a-53ae-4770-9bc7-5b4833bf28f7.png?v=1791711047 3,4-Dimethoxyphenethyl alcohol, Purity: 99.2% | 7417-21-2 3,4-Dimethoxyphenethyl alcohol|C4X-20678|7417-21-2 https://www.jk-sci.com/products/s57c4x-20702 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209403_fdcc9e39-5b82-4914-b00a-1dac9349e97f.png?v=1791711037 Molsidomine EP Impurity B, 99.70% | 59-89-2 Molsidomine EP Impurity B|C4X-20702|59-89-2 https://www.jk-sci.com/products/ts246cs-0105427 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4110f4743b984217da41886d39c4de6c.jpg?v=1791663484 Methyl 2-cyclopropyl-5-(3,5-dimethylisoxazol-4-yl)-1H-benzo[d]imidazole-7-carboxylate, 95% | 1637771-11-9 Methyl 2-cyclopropyl-5-(3,5-dimethylisoxazol-4-yl)-1H-benzo[d]imidazole-7-carboxylate|CS-0105427|1637771-11-9 https://www.jk-sci.com/products/s57c4x-207614 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69ca27dc18ad20a4c5870c5cacfc4908.jpg?v=1791711023 Menaquinone impurity 14, 95.60% | 69729-17-5 Menaquinone impurity 14|C4X-207614|69729-17-5 https://www.jk-sci.com/products/s57c4x-20793 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224535_a94ab375-7965-4ff8-b648-c97b0585c096.png?v=1791711009 Carglumic Acid Impurity 3, 98.50% | 98-79-3 Carglumic Acid Impurity 3|C4X-20793|98-79-3 https://www.jk-sci.com/products/s57c4x-208119 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f72ab38cc189de4bd08bbd58a62458e.jpg?v=1791710995 (5Z,9E,13Z)-Teprenone, 98.30% | 3879-25-2 (5Z,9E,13Z)-Teprenone|C4X-208119|3879-25-2 https://www.jk-sci.com/products/s57c4x-208412 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f88d51496a4bc31eebbe1660766c5cf.jpg?v=1791710984 Lusutrombopag Impurity 12, Purity: 98.5% | 2043804-10-8 Lusutrombopag Impurity 12|C4X-208412|2043804-10-8 https://www.jk-sci.com/products/s57c4x-208425 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6780ddff-c74e-45b0-af75-6892790d3b76.png?v=1791710968 Lusutrombopag Impurity 25, 99.00% Lusutrombopag Impurity 25|C4X-208425 https://www.jk-sci.com/products/s57c4x-20846 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b2884310cb9bf61eadd18f1f77d5df7.jpg?v=1791710939 Lusutrombopag Impurity 6, 96.80% | 1110767-77-5 Lusutrombopag Impurity 6|C4X-20846|1110767-77-5 https://www.jk-sci.com/products/ts246cs-0102137 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117fc947b121100f4d44618577234d5e.jpg?v=1791664773 (S)-3-Amino-4,4,4-trifluorobutanoic acid, 95% | 151871-99-7 (S)-3-Amino-4,4,4-trifluorobutanoic acid|CS-0102137|151871-99-7 https://www.jk-sci.com/products/s57c4x-208521 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/760a5bc6bde63917280e3026db347fd8.jpg?v=1791710930 Nicergoline Impurity 21, 95.60% | 23495-64-9 Nicergoline Impurity 21|C4X-208521|23495-64-9 https://www.jk-sci.com/products/s57c4x-208435 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_96bb5653-e157-4d13-b194-52f9bca50d54.png?v=1791710954 Lusutrombopag Impurity 35, 93.10% Lusutrombopag Impurity 35|C4X-208435 https://www.jk-sci.com/products/s57c4x-208627 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70aeb18d-c320-4cf7-b583-bc36e0f3431b.png?v=1791710916 Dacomitinib Impurity 27, 94.60% Dacomitinib Impurity 27|C4X-208627 https://www.jk-sci.com/products/s57c4x-208620 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d49728d-d3a1-4c6c-ba03-915c1efe0cf3.png?v=1791710925 Dacomitinib Impurity 20, 93.50% Dacomitinib Impurity 20|C4X-208620 https://www.jk-sci.com/products/s57c4x-20897 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7d10d21c-cc0d-4a8a-82aa-31983f008767.png?v=1791710910 Vincristine EP Impurity G, 96.90% Vincristine EP Impurity G|C4X-20897 https://www.jk-sci.com/products/ts246cs-0102738 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccf03759dde66c84bd9a94e29076cb3d.jpg?v=1791664495 (5-Bromo-2-methylpyridin-4-yl)methanol, 95% | 1807259-37-5 (5-Bromo-2-methylpyridin-4-yl)methanol|CS-0102738|1807259-37-5 https://www.jk-sci.com/products/ts246cs-0103066 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107ccaa39a0a20af95c2d0effda42b5e.jpg?v=1791664320 (2-(Trifluoromethyl)pyridin-3-yl)methanol, 95% | 131747-57-4 (2-(Trifluoromethyl)pyridin-3-yl)methanol|CS-0103066|131747-57-4 https://www.jk-sci.com/products/s57c4x-20923 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd1796a8bfab15c6470b7b31ca6706aa.jpg?v=1791710905 Sotalol EP Impurity C, 99.60% | 83922-54-7 Sotalol EP Impurity C|C4X-20923|83922-54-7 https://www.jk-sci.com/products/ts246cs-0103346 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920953_8f7faa79-dad9-4578-a1a9-90785f9f9f42.png?v=1791664214 2-Bromo-5-chlorobenzo[d]thiazole, 97% | 2941-56-2 2-Bromo-5-chlorobenzo[d]thiazole|CS-0103346|2941-56-2 https://www.jk-sci.com/products/s57c4x-20961 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae2fd973a5993a84e34a641bd808fe62.jpg?v=1791710895 Benazepril EP Impurity A HCl, 95.70% | 215447-89-5 Benazepril EP Impurity A HCl|C4X-20961|215447-89-5 https://www.jk-sci.com/products/s57c4x-20964 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a49982bf-1790-46c4-b61c-e63db398c3ab.png?v=1791710890 Benazepril EP Impurity D(hydrochloride), 89.20% Benazepril EP Impurity D(hydrochloride)|C4X-20964 https://www.jk-sci.com/products/ts246cs-0103462 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8c49d39b89b7b141ff94c2d7793f560.jpg?v=1791664137 2-Hydroxy-3-methylbenzonitrile, 98% | 13589-71-4 2-Hydroxy-3-methylbenzonitrile|CS-0103462|13589-71-4 https://www.jk-sci.com/products/s57c4x-209712 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/628074_39484938-a183-453b-acaf-0a5b0543a2f4.png?v=1791710882 Gemfibrozil Impurity 12, 91.90% | 91683-38-4 Gemfibrozil Impurity 12|C4X-209712|91683-38-4 https://www.jk-sci.com/products/s57c4x-210219 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18c2c4a92cb937ffdb9813a897332ed7_f62476d2-094b-4f22-83c9-b8099a158577.jpg?v=1791710878 Favipiravir Impurity 19, Purity: 99.3% | 1257072-34-6 Favipiravir Impurity 19|C4X-210219|1257072-34-6 https://www.jk-sci.com/products/s57c4x-2103 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/621743_735bdd44-a3fc-42d8-a413-d5b55fb84334.png?v=1791710867 Carboprost Trometamol, 97.80% | 58551-69-2 Carboprost Trometamol|C4X-2103|58551-69-2 https://www.jk-sci.com/products/s57c4x-2108108 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27a1fd0f244d06eb05edba21963d59e4.jpg?v=1791710827 Baloxavir Impurity 108, 97.70% | 2640188-50-5 Baloxavir Impurity 108|C4X-2108108|2640188-50-5 https://www.jk-sci.com/products/ts246cs-0103498 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/868920614367e29a6403d4db6f287af9.jpg?v=1791664093 4-Methoxy-1-methyl-1H-indazol-3-amine, 98.00%+ | 1305711-34-5 4-Methoxy-1-methyl-1H-indazol-3-amine|CS-0103498|1305711-34-5 https://www.jk-sci.com/products/ts246cs-0103608 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a24966f186ad6c7537f98d50f3555b34.jpg?v=1791663996 Ethyl 4-methoxy-1H-indole-2-carboxylate, 97% | 43142-25-2 Ethyl 4-methoxy-1H-indole-2-carboxylate|CS-0103608|43142-25-2 https://www.jk-sci.com/products/s57c4x-21062 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c4bc66b1-1a35-4efc-9556-44acf8099189.png?v=1791710837 Cys1-Keto-Linaclotide H2O XTFA Salt, 95.50% Cys1-Keto-Linaclotide H2O XTFA Salt|C4X-21062 https://www.jk-sci.com/products/s57c4x-21045 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4aab72f0e8943554d1e4415efc7fb26.jpg?v=1791710859 Chloroquine USP Related Compound E, 95.20% | 5428-61-5 Chloroquine USP Related Compound E|C4X-21045|5428-61-5 https://www.jk-sci.com/products/s57c4x-210512 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8109ffd0-c6d2-4cd2-a037-9f98dfb0f852.png?v=1791710850 Estrone Impurity 12, 97.20% Estrone Impurity 12|C4X-210512 https://www.jk-sci.com/products/s57c4x-210810 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b32f2740e326c147846e07ac78a69f7.jpg?v=1791710833 Baloxavir Impurity 10, 97.90% | 3047100-07-9 Baloxavir Impurity 10|C4X-210810|3047100-07-9 https://www.jk-sci.com/products/s57c4x-2108162 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac87e0458b9d9eed181c2cc2cccf5ff5.jpg?v=1791710814 Baloxavir Impurity 62, 96.50% | 3047099-99-7 Baloxavir Impurity 62|C4X-2108162|3047099-99-7 https://www.jk-sci.com/products/s57c4x-2106 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f2a4914-0f3d-4c93-a8fa-172395b4f013.png?v=1791710844 Linaclotide acetate, 86.50% Linaclotide acetate|C4X-2106 https://www.jk-sci.com/products/s57c4x-210831 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a44863295d9dd062a047bd48198ed299.jpg?v=1791710802 Baloxavir Impurity 31, 95.80% | 2954948-28-6 Baloxavir Impurity 31|C4X-210831|2954948-28-6 https://www.jk-sci.com/products/ts246cs-0103676 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/633312.png?v=1791663949 2,6-Dimethyl-4(3H)-quinazolinone, 98% | 18731-19-6 2,6-Dimethyl-4(3H)-quinazolinone|CS-0103676|18731-19-6 https://www.jk-sci.com/products/ts246cs-0103899 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d3bfdd1a498188ece4f205c8734dfe6.jpg?v=1791663897 (4S,4'S,5R,5'R)-2,2'-Cyclopropylidenebis[4,5-dihydro-4,5-diphenyloxazole], 97% | 229184-97-8 (4S,4'S,5R,5'R)-2,2'-Cyclopropylidenebis[4,5-dihydro-4,5-diphenyloxazole]|CS-0103899|229184-97-8 https://www.jk-sci.com/products/ts246cs-0103993 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0717501bc0ca49e904c935773e59bbb7.jpg?v=1791663860 (3aR,3a'R,8aS,8a'S)-2,2'-(2,3-Dihydro-1H-indene-2,2-diyl)bis(3a,8a-dihydro-8H-indeno[1,2-d]oxazole), 95.00%+ | 2757082-16-7 (3aR,3a'R,8aS,8a'S)-2,2'-(2,3-Dihydro-1H-indene-2,2-diyl)bis(3a,8a-dihydro-8H-indeno[1,2-d]oxazole)|CS-0103993|2757082-16-7 https://www.jk-sci.com/products/s57c4x-210813 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f42ab451b66ce22321cb258990220bc.jpg?v=1791710819 Baloxavir Impurity 13, 97.60% | 2136287-69-7 Baloxavir Impurity 13|C4X-210813|2136287-69-7 https://www.jk-sci.com/products/ts246cs-0104261 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa24200b7deb484aa146e153942ad9ab.jpg?v=1791663820 Methyl 5-(2,4-difluorophenyl)-4-methoxy-1H-pyrrole-3-carboxylate, 98% | 1902955-29-6 Methyl 5-(2,4-difluorophenyl)-4-methoxy-1H-pyrrole-3-carboxylate|CS-0104261|1902955-29-6 https://www.jk-sci.com/products/s57c4x-210843 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea35cb77ded6900c82100150b5d7dc48.jpg?v=1791710791 Baloxavir Impurity 43, 96.60% | 1370250-39-7 Baloxavir Impurity 43|C4X-210843|1370250-39-7 https://www.jk-sci.com/products/ts246cs-0104538 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a9f14fb713749cadffa8e1615c4b99b.jpg?v=1791663779 (S)-3-(3-Fluorophenyl)-3-(2-phenylacetamido)propanoic acid, 98% | 1374669-60-9 (S)-3-(3-Fluorophenyl)-3-(2-phenylacetamido)propanoic acid|CS-0104538|1374669-60-9 https://www.jk-sci.com/products/s57c4x-210852 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e486dae18699cf1863eb3c8096dc4d3e_496fd52d-dac5-4609-ba0c-7b7758bbda4a.jpg?v=1791710786 Baloxavir Impurity 52, 95.10% | 1228258-40-9 Baloxavir Impurity 52|C4X-210852|1228258-40-9 https://www.jk-sci.com/products/s57c4x-210827 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8fd1ac048d170fae62632966cce7fd6.jpg?v=1791710807 Baloxavir Impurity 27, 99.60% | 2762066-94-2 Baloxavir Impurity 27|C4X-210827|2762066-94-2 https://www.jk-sci.com/products/ts246cs-0104826 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f82f174474ba44d60c2ec9cfb3c67567.jpg?v=1791663736 Hept-6-yn-1-amine, 97% | 14502-42-2 Hept-6-yn-1-amine|CS-0104826|14502-42-2 https://www.jk-sci.com/products/ts246cs-0104919 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4713e71ef3824b086fb880ff4862bf5.jpg?v=1791663691 (9H-Fluoren-9-yl)methyl (2-hydroxyethyl)(methyl)carbamate, 98% | 147687-15-8 (9H-Fluoren-9-yl)methyl (2-hydroxyethyl)(methyl)carbamate|CS-0104919|147687-15-8 https://www.jk-sci.com/products/s57c4x-210873 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/946b595fdd31e51585c06ecbce070c3a.jpg?v=1791710777 Baloxavir Impurity 73 Sulfonate, 93.30% | 2136287-70-0 Baloxavir Impurity 73 Sulfonate|C4X-210873|2136287-70-0 https://www.jk-sci.com/products/ts246cs-0104990 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbdc285598cfc7f991c021d78e689750.jpg?v=1791663663 Bis-?PEG2-?NHS ester, 97% | 65869-63-8 Bis-?PEG2-?NHS ester|CS-0104990|65869-63-8 https://www.jk-sci.com/products/ts246cs-0105019 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/add6c9cf52a9240b428418526d627cc6.jpg?v=1791663651 Mal-PEG2-NHS ester, 95% | 1433997-01-3 Mal-PEG2-NHS ester|CS-0105019|1433997-01-3 https://www.jk-sci.com/products/s57c4x-21101 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540ed6ba31cfb8ef2a8211671a370b14.jpg?v=1791710771 Ibutilide USP RC A, 99.50% | 100632-58-4 Ibutilide USP RC A|C4X-21101|100632-58-4 https://www.jk-sci.com/products/s57c4x-21144 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddebf1a3464c69900936d560511a64f6.jpg?v=1791710762 Isopropyl L-camphorsulfonate, 96.60% | 1242184-40-2 Isopropyl L-camphorsulfonate|C4X-21144|1242184-40-2 https://www.jk-sci.com/products/s57c4x-2120114 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/530278_9253f66b-a820-4bed-b5bb-c33fce66b2f3.png?v=1791710742 Gadobutrol Impurity 114, Purity: 100.0% | 6117-80-2 Gadobutrol Impurity 114|C4X-2120114|6117-80-2 https://www.jk-sci.com/products/s57c4x-212328 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_418db157-8084-4ee5-a97c-38068742c6c7.png?v=1791710728 Sivelestat Impurity 28, Purity: 99.8% Sivelestat Impurity 28|C4X-212328 https://www.jk-sci.com/products/ts246cs-0105029 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acd432a10b120ead3f0d0d7ccc747643.jpg?v=1791663634 6-Chloro-1H-[1,2,3]triazolo[4,5-b]pyridine, 97% | 408314-14-7 6-Chloro-1H-[1,2,3]triazolo[4,5-b]pyridine|CS-0105029|408314-14-7 https://www.jk-sci.com/products/ts246cs-0105081 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfde081bc03501a5bab297dc213a6082.jpg?v=1791663605 N3-C5-NHS ester, 96% | 866363-70-4 N3-C5-NHS ester|CS-0105081|866363-70-4 https://www.jk-sci.com/products/ts246cs-0105254 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59412ad6952139f833cb1ad88394dbaf.jpg?v=1791663569 Propargyl-PEG5-OH, 95% | 1036204-60-0 Propargyl-PEG5-OH|CS-0105254|1036204-60-0 https://www.jk-sci.com/products/s57c4x-21169 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d97fe70baa32a42fa26b33d562b53fd9.jpg?v=1791710748 Treprostinil Ethyl Ester, Purity: 99.7% | 1355990-07-6 Treprostinil Ethyl Ester|C4X-21169|1355990-07-6 https://www.jk-sci.com/products/ts246cs-0105374 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/065666d08ed81910cffaeb1e2630b6ec.jpg?v=1791663517 tert-Butyl (5-iodo-2-methoxyphenyl)carbamate, 97% | 1474060-74-6 tert-Butyl (5-iodo-2-methoxyphenyl)carbamate|CS-0105374|1474060-74-6 https://www.jk-sci.com/products/s57c4x-21214 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39b343dfc628b86e77ccb1816544d1e4.jpg?v=1791710735 Levulinic-d5 Acid, Purity: 97.9% | 1206185-52-5 Levulinic-d5 Acid|C4X-21214|1206185-52-5 https://www.jk-sci.com/products/s57c4x-21423 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325682_b2f47487-fb01-439f-aac0-52ccf5bd51f0.png?v=1791710703 Flunixin Meglumine Impurity 3, 99.70% | 2942-59-8 Flunixin Meglumine Impurity 3|C4X-21423|2942-59-8 https://www.jk-sci.com/products/s57c4x-2124 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126936_8a7b172e-3105-4534-abb6-ec34d10386a4.png?v=1791710722 Carazolol, 99.10% | 57775-29-8 Carazolol|C4X-2124|57775-29-8 https://www.jk-sci.com/products/s57c4x-21312 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351666_79fc7381-aaa8-4a92-b888-8f5ccec58d6e.png?v=1791710716 Liothyronine Impurity 2, 89.10% | 70-78-0 Liothyronine Impurity 2|C4X-21312|70-78-0 https://www.jk-sci.com/products/s57c4x-21463 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79e2c51f40c6f744f0d321b9852af193.jpg?v=1791710688 Hydantoin Impurity 3, Purity: 97.3% | 138849-22-6 Hydantoin Impurity 3|C4X-21463|138849-22-6 https://www.jk-sci.com/products/s57c4x-214916 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155296_61679874-b00e-4155-bb85-985c151c5524.png?v=1791710667 Uridine 5＇-diphosphate disodium salt ·X Hydrate, 77.20% | 27821-45-0 Uridine 5＇-diphosphate disodium salt ·X Hydrate|C4X-214916|27821-45-0 https://www.jk-sci.com/products/s57c4x-21462 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef1d75ac7bb12edcc608c13e67ecac4.jpg?v=1791710697 Hydantoin Impurity 2, 93.00% | 49540-21-8 Hydantoin Impurity 2|C4X-21462|49540-21-8 https://www.jk-sci.com/products/s57c4x-21486 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487937_718eca73-82c1-4683-b1a3-5336ba67e61b.png?v=1791710678 Troxipide Impurity 6, 98.40% | 3086-62-2 Troxipide Impurity 6|C4X-21486|3086-62-2 https://www.jk-sci.com/products/s57c4x-21381 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7360ea943b844314a467d86db196216.jpg?v=1791710710 Trihexyphenidyl EP Impurity A HCl, 97.90% | 886-06-6 Trihexyphenidyl EP Impurity A HCl|C4X-21381|886-06-6 https://www.jk-sci.com/products/s57c4x-214928 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e20006b0-dad1-4a1e-b485-40e057205a62.png?v=1791710657 Diquafosol Impurity 28, Purity: 98.7% Diquafosol Impurity 28|C4X-214928 https://www.jk-sci.com/products/ts246cs-0105420 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/497ce429466ada6ae8cbc6732db124be.jpg?v=1791663488 N1-(2-(Dimethylamino)ethyl)-5-methoxy-N1-methyl-2-nitrobenzene-1,4-diamine, 95% | 1825288-95-6 N1-(2-(Dimethylamino)ethyl)-5-methoxy-N1-methyl-2-nitrobenzene-1,4-diamine|CS-0105420|1825288-95-6 https://www.jk-sci.com/products/s57c4x-214930 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f69fdf3b-cc32-4008-8c00-3703066632c4.png?v=1791710655 Diquafosol Impurity 30, 82.30% Diquafosol Impurity 30|C4X-214930 https://www.jk-sci.com/products/ts246cs-0105447 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75f4a2fbf90e14df2e08dcbaf0abee0a.jpg?v=1791663474 2,5-Dibromo-3-methoxypyrazine, 98% | 489431-66-5 2,5-Dibromo-3-methoxypyrazine|CS-0105447|489431-66-5 https://www.jk-sci.com/products/s57c4x-21501 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142487.png?v=1791710647 Tropicamide EP Impurity A, 99.40% | 33403-97-3 Tropicamide EP Impurity A|C4X-21501|33403-97-3 https://www.jk-sci.com/products/s57c4x-21496 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bbee6ab7-a9e8-4b03-b16e-c3d496007a57.png?v=1791710651 Diquafosol Impurity 6, 62.70% Diquafosol Impurity 6|C4X-21496 https://www.jk-sci.com/products/s57c4x-21502 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499512.png?v=1791710646 Tropicamide EP Impurity B, 97.50% | 57322-50-6 Tropicamide EP Impurity B|C4X-21502|57322-50-6 https://www.jk-sci.com/products/ts246cs-0105457 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa84a1b3206e6ba4842df89dd76ede0.jpg?v=1791663469 tert-Butyl 6-hydrazinylnicotinate, 97% | 163213-19-2 tert-Butyl 6-hydrazinylnicotinate|CS-0105457|163213-19-2 https://www.jk-sci.com/products/s57c4x-21506 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a332d1b-7c8d-4ef9-b68f-0419cf7dc0ac.png?v=1791710642 Tropicamide N-Oxide Hydrochloride, 95.30% Tropicamide N-Oxide Hydrochloride|C4X-21506 https://www.jk-sci.com/products/s57c4x-21533 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2efab4e7-27e4-47c4-8348-aaecbc1b73ae.png?v=1791710633 Nifuroxazide EP Impurity E, 98.00% Nifuroxazide EP Impurity E|C4X-21533 https://www.jk-sci.com/products/s57c4x-21508 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f08f1d65c4cf4cecd92731921ac6c7.jpg?v=1791710639 Topicamide lmpurity 8, 99.20% | 87239-08-5 Topicamide lmpurity 8|C4X-21508|87239-08-5 https://www.jk-sci.com/products/ts246cs-0105467 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/584e88a7a4f0b695562d3a4631bcac11.jpg?v=1791663459 Methyl 5-bromo-4-chloro-2-fluorobenzoate, 95% | 951884-02-9 Methyl 5-bromo-4-chloro-2-fluorobenzoate|CS-0105467|951884-02-9 https://www.jk-sci.com/products/s57c4x-21541 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6942c9329b882256b223e2f438aaaf3.jpg?v=1791710634 6-Deoxypenciclovir hydrochloride, Purity: 95.8% | 246021-75-0 6-Deoxypenciclovir hydrochloride|C4X-21541|246021-75-0 https://www.jk-sci.com/products/ts246cs-0105481 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a6a36c4897a57e91e640dcffe10f7b0.jpg?v=1791663455 6-Amino-3-bromo-2-methoxybenzoic acid, 98% | 1421311-95-6 6-Amino-3-bromo-2-methoxybenzoic acid|CS-0105481|1421311-95-6 https://www.jk-sci.com/products/ts246cs-0105505 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1796c8d2e5db21956f2a85230ce5f270.jpg?v=1791663449 1-Bromo-4-iodo-5-methyl-2-nitrobenzene, 97.00%+ | 1160573-63-6 1-Bromo-4-iodo-5-methyl-2-nitrobenzene|CS-0105505|1160573-63-6 https://www.jk-sci.com/products/s57c4x-21633 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01ecd1257cb3745f4d873fa6c48ee821.jpg?v=1791710621 Tafluprost Impurity 3, 97.40% | 2920059-96-5 Tafluprost Impurity 3|C4X-21633|2920059-96-5 https://www.jk-sci.com/products/s57c4x-217110 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e64988d8ff98af59cbed8fdbd79c1df.jpg?v=1791710614 α-Glycerophosphoric Acid Disodium Salt, Purity: 70.2% | 1555-56-2 α-Glycerophosphoric Acid Disodium Salt|C4X-217110|1555-56-2 https://www.jk-sci.com/products/ts246cs-0105529 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96416e49f3faed948bf4dc5d97f64a53.jpg?v=1791663433 Cbz-NH-PEG8-C2-acid, 95% | 1334177-87-5 Cbz-NH-PEG8-C2-acid|CS-0105529|1334177-87-5 https://www.jk-sci.com/products/s57c4x-21591 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e88b9df510504ca4971930ab1d6997a1.jpg?v=1791710624 Carboxyamidotriazole Impurity 1, 93.30% | 203202-66-8 Carboxyamidotriazole Impurity 1|C4X-21591|203202-66-8 https://www.jk-sci.com/products/s57c4x-21573 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9e3d6d9f-3fa2-47ff-b5ec-1d4f7ff1bfa7.png?v=1791710629 Insulin Degludec Impurity 3, 97.50% Insulin Degludec Impurity 3|C4X-21573 https://www.jk-sci.com/products/s57c4x-21639 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fefe81c099633166d1b4d9fe939f2ef.jpg?v=1791710619 Tafluprost Impurity 9, 97.20% | 1563176-58-8 Tafluprost Impurity 9|C4X-21639|1563176-58-8 https://www.jk-sci.com/products/s57c4x-21714 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257559.png?v=1791710611 2-Palmitoyl-rac-glycerol, 95.10% | 23470-00-0 2-Palmitoyl-rac-glycerol|C4X-21714|23470-00-0 https://www.jk-sci.com/products/ts246cs-0105537 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f423f2eeafa5b2f8495260e0513e8f6d.jpg?v=1791663421 2,3-Difluoro-6-methoxybenzonitrile, 97% | 221202-34-2 2,3-Difluoro-6-methoxybenzonitrile|CS-0105537|221202-34-2 https://www.jk-sci.com/products/ts246cs-0105548 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222455ceb469adc11fea397b141c04f5.jpg?v=1791663409 5-Bromo-2-chloro-1-methyl-3-nitrobenzene, 98.76%+ | 1160573-73-8 5-Bromo-2-chloro-1-methyl-3-nitrobenzene|CS-0105548|1160573-73-8 https://www.jk-sci.com/products/s57c4x-21719 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/624025.png?v=1791710607 β-Glycerol Phosphate Disodium Salt Pentahydrate, Purity: 70.8% | 13408-09-8 β-Glycerol Phosphate Disodium Salt Pentahydrate|C4X-21719|13408-09-8 https://www.jk-sci.com/products/ts246cs-0105557 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317779aa192f3741748da10dbd2b5ae9.jpg?v=1791663403 10-(3,5-Di-OMe-Ph)-9-mesityl-(1,3,6,8-tetra-OMe-acridinium) (tetrafluoroborate), 95% | 1965330-59-9 10-(3,5-Di-OMe-Ph)-9-mesityl-(1,3,6,8-tetra-OMe-acridinium) (tetrafluoroborate)|CS-0105557|1965330-59-9 https://www.jk-sci.com/products/s57c4x-21771 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c011a4df47f997d40787281cebfc5b9.jpg?v=1791710604 (S)-Linalool, 99.20% | 126-90-9 (S)-Linalool|C4X-21771|126-90-9 https://www.jk-sci.com/products/ts246cs-0105566 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6588a2927a4109ffea7e9fa6c41d279e.jpg?v=1791663390 9-mesityl-10-methylacridin-10-ium hexafluorophosphate, 97% | 872205-11-3 9-mesityl-10-methylacridin-10-ium hexafluorophosphate|CS-0105566|872205-11-3 https://www.jk-sci.com/products/ts246cs-0105608 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627186.png?v=1791663378 10-Methyl-9-phenylacridinium Perchlorate, 97% | 36519-61-6 10-Methyl-9-phenylacridinium Perchlorate|CS-0105608|36519-61-6 https://www.jk-sci.com/products/s57c4x-218010 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6bfc721c1b86dd20ead52e2fcba7495e.jpg?v=1791710601 Fluralaner Impurity 10, 97.30% | 864731-37-3 Fluralaner Impurity 10|C4X-218010|864731-37-3 https://www.jk-sci.com/products/ts246cs-0105630 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a16f990173d6f51ef731a1cb83e3fd9.jpg?v=1791663359 3-Aminobutan-2-one hydrochloride, 95% | 21419-24-9 3-Aminobutan-2-one hydrochloride|CS-0105630|21419-24-9 https://www.jk-sci.com/products/ts246cs-0105719 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90fdff25938136384befdca43c86d877.jpg?v=1791663322 1,4,7-Triazonane trihydrochloride, 97% | 58966-93-1 1,4,7-Triazonane trihydrochloride|CS-0105719|58966-93-1 https://www.jk-sci.com/products/ts246cs-0105914 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397101.png?v=1791663294 Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 95% | 120801-75-4 Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate|CS-0105914|120801-75-4 https://www.jk-sci.com/products/ts246cs-0105975 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609235.png?v=1791663269 1,1′-Diethylferrocene, 97.00%+ | 1273-97-8 1,1′-Diethylferrocene|CS-0105975|1273-97-8 https://www.jk-sci.com/products/ts246cs-0106026 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0abd190f-db8c-4a95-b1b4-0e83b7acbb25.png?v=1791663249 Tetraammineplatinum(II) tetrachloroplatinate(II), 95.00%+ | 13820-46-7 Tetraammineplatinum(II) tetrachloroplatinate(II)|CS-0106026|13820-46-7 https://www.jk-sci.com/products/ts246cs-0106050 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504675.png?v=1791663229 Aluminum acetylacetonate, 98% | 13963-57-0 Aluminum acetylacetonate|CS-0106050|13963-57-0 https://www.jk-sci.com/products/ts246cs-0106057 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48b8c7499162f8b8d68270cc01eb7109.jpg?v=1791663226 tert-Butyl (3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)carbamate, 97% | 1072944-99-0 tert-Butyl (3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)carbamate|CS-0106057|1072944-99-0 https://www.jk-sci.com/products/ts246cs-0106180 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd7371fa2ab43b92dd2f6e1e2ef41591.jpg?v=1791663203 O-Butylhydroxylamine hydrochloride, 97% | 4490-82-8 O-Butylhydroxylamine hydrochloride|CS-0106180|4490-82-8 https://www.jk-sci.com/products/s57c4x-218016 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5fc0f8835b6246c0e743c7e1f06fa5d.jpg?v=1791710598 Fluralaner Impurity 16, 91.80% | 1437051-93-8 Fluralaner Impurity 16|C4X-218016|1437051-93-8 https://www.jk-sci.com/products/s57c4x-218018 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c736fe84-796d-453c-a232-8c56728b492f.png?v=1791710593 Fluralaner Impurity 18, 99.60% Fluralaner Impurity 18|C4X-218018 https://www.jk-sci.com/products/ts246cs-0102324 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de3a22d9f50185489cb49652e7a847d0.jpg?v=1791664623 Ethyl 5-oxo-5,6,7,8-tetrahydroquinoline-3-carboxylate, 95% | 106960-78-5 Ethyl 5-oxo-5,6,7,8-tetrahydroquinoline-3-carboxylate|CS-0102324|106960-78-5 https://www.jk-sci.com/products/ts246cs-0103303 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f52c7265fd2fe8abf1e8b2768e52f4c3.jpg?v=1791664255 Methyl 5-fluoro-2-(methylamino)benzoate, 98% | 924668-99-5 Methyl 5-fluoro-2-(methylamino)benzoate|CS-0103303|924668-99-5 https://www.jk-sci.com/products/ts246cs-0103491 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67c0d886c5f08272418386653a060253.jpg?v=1791664103 6-Chloro-3-iodo-4-nitro-1H-indazole, 97% | 885519-97-1 6-Chloro-3-iodo-4-nitro-1H-indazole|CS-0103491|885519-97-1 https://www.jk-sci.com/products/s57c4x-21805 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/468bd44b7b15758e714038dd9f1faa3a_be85c077-0fe4-430a-89a5-a560361943cb.jpg?v=1791710587 Fluralaner Impurity 5, 95.30% | 1171331-39-7 Fluralaner Impurity 5|C4X-21805|1171331-39-7 https://www.jk-sci.com/products/s57c4x-218031 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e0bc10c5-18b1-4227-a400-1ebeb5ba270e.png?v=1791710593 Fluralaner impurity 31, 99.20% Fluralaner impurity 31|C4X-218031 https://www.jk-sci.com/products/ts246cs-0103647 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e26bc4fb1820313c795480f451047fd3.jpg?v=1791663969 (R)-Morpholine-3-carbonitrile, 97% | 1262484-54-7 (R)-Morpholine-3-carbonitrile|CS-0103647|1262484-54-7 https://www.jk-sci.com/products/ts246cs-0103968 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3640c174a8487f0efc220f7a1aaf4478.jpg?v=1791663870 Methyl 2-amino-4,5-dimethylbenzoate, 98% | 19258-73-2 Methyl 2-amino-4,5-dimethylbenzoate|CS-0103968|19258-73-2 https://www.jk-sci.com/products/ts246cs-0104458 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2295a9c9ede2356921fa1d3c898d8e76.jpg?v=1791663796 (R)-5-CF3-Pyox-iPr, 95% | 2010973-00-7 (R)-5-CF3-Pyox-iPr|CS-0104458|2010973-00-7 https://www.jk-sci.com/products/ts246cs-0104887 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137946.png?v=1791663711 4,7-Dimethyl-1H-indene, 97% | 6974-97-6 4,7-Dimethyl-1H-indene|CS-0104887|6974-97-6 https://www.jk-sci.com/products/s57c4x-2183 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327346.png?v=1791710583 Dydrogesterone, 99.90% | 152-62-5 Dydrogesterone|C4X-2183|152-62-5 https://www.jk-sci.com/products/s57c4x-21837 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142e4df22e3bbb62dd2fc72834c790b9.jpg?v=1791710577 Dydrogesterone Impurity 7, Purity: 96.5% | 19592-55-3 Dydrogesterone Impurity 7|C4X-21837|19592-55-3 https://www.jk-sci.com/products/s57c4x-21832 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfa5fee13e9812b1d52d4250d19290b5.jpg?v=1791710583 Dydrogesterone EP Impurity A, 99.90% | 23035-53-2 Dydrogesterone EP Impurity A|C4X-21832|23035-53-2 https://www.jk-sci.com/products/ts246cs-0105014 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2473b21-6502-4d9c-ac08-fcc3249ab0dd.png?v=1791663651 (R)-Bn-Ferrox, 97% | 2757082-03-2 (R)-Bn-Ferrox|CS-0105014|2757082-03-2 https://www.jk-sci.com/products/s57c4x-2189 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e722d2ca2a461765387575817314c91a.jpg?v=1791710571 Bempedoic Acid, Purity: 100.0% | 738606-46-7 Bempedoic Acid|C4X-2189|738606-46-7 https://www.jk-sci.com/products/s57c4x-21907 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ece661fe53ca83e66136babc640c0694.jpg?v=1791710561 Ethinylestradiol EP Impurity G, 94.30% | 38002-18-5 Ethinylestradiol EP Impurity G|C4X-21907|38002-18-5 https://www.jk-sci.com/products/s57c4x-21902 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94996c7ccead2f82bc83238af17d9dd8.jpg?v=1791710561 Ethinylestradiol EP Impurity B, purity：98.56% | 1231-96-5 Ethinylestradiol EP Impurity B|C4X-21902|1231-96-5 https://www.jk-sci.com/products/s57c4x-218916 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f49554a546dfb5d91a483f183fe3012a.jpg?v=1791710571 Bempedoic Acid Impurity 16, 99.20% | 738606-44-5 Bempedoic Acid Impurity 16|C4X-218916|738606-44-5 https://www.jk-sci.com/products/ts246cs-0105059 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2daccee9344aba5a354f691a5f2584f.jpg?v=1791663610 Ald-Ph-amido-PEG4-C2-NHS ester, 97.00%+ | 1353011-74-1 Ald-Ph-amido-PEG4-C2-NHS ester|CS-0105059|1353011-74-1 https://www.jk-sci.com/products/ts246cs-0105280 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd41ef58ca794c3a3201e055a40c941c.jpg?v=1791663558 8-Chloroisoquinolin-3(2H)-one, 96% | 51463-18-4 8-Chloroisoquinolin-3(2H)-one|CS-0105280|51463-18-4 https://www.jk-sci.com/products/s57c4x-21961 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/782ef1eac2af86110a502dfaa4930de4.jpg?v=1791710554 Morinidazole, 99.70% | 92478-27-8 Morinidazole|C4X-21961|92478-27-8 https://www.jk-sci.com/products/ts246cs-0105444 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/533b9164e7dc59d2122c1ed7a2739204.jpg?v=1791663474 2-(tert-Butyl)isonicotinaldehyde, 97.00%+ | 1023812-90-9 2-(tert-Butyl)isonicotinaldehyde|CS-0105444|1023812-90-9 https://www.jk-sci.com/products/s57c4x-219614 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_18b43a4e-9d3b-42e0-90b0-ef89141edb84.png?v=1791710550 Morinidazole Impurity 14, 97.30% Morinidazole Impurity 14|C4X-219614 https://www.jk-sci.com/products/s57c4x-219911 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93d5c22bc9827be2ab87c52033826a21.jpg?v=1791710540 Berberine Impurity 11 Chloride, Purity: 98.5% | 30044-78-1 Berberine Impurity 11 Chloride|C4X-219911|30044-78-1 https://www.jk-sci.com/products/s57c4x-219641 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_920943f6-647d-4e25-abb9-310b163146b5.png?v=1791710545 Morinidazole Impurity 41, Purity: 99.9% Morinidazole Impurity 41|C4X-219641 https://www.jk-sci.com/products/s57c4x-219617 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5f2f4af3-a7a1-49e5-af0e-2af5b482b7a9.png?v=1791710549 Morinidazole Impurity 17, 96.40% Morinidazole Impurity 17|C4X-219617 https://www.jk-sci.com/products/ts246cs-0105464 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d210300e6a4443dac3c64a1149f987f8.jpg?v=1791663464 4-(2-Methoxy-2-oxoethyl)benzoic acid, 98% | 87524-66-1 4-(2-Methoxy-2-oxoethyl)benzoic acid|CS-0105464|87524-66-1 https://www.jk-sci.com/products/s57c4x-21992 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40d1917168b40a46548505f47446ded8.jpg?v=1791710540 Berberine Impurity 2, Purity: 99.9% | 38691-95-1 Berberine Impurity 2|C4X-21992|38691-95-1 https://www.jk-sci.com/products/s57c4x-2201 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e256fe76aaf4b7a3c5c5af36070770b.jpg?v=1791710535 Lumateperone, Purity: 99.7% | 313368-91-1 Lumateperone|C4X-2201|313368-91-1 https://www.jk-sci.com/products/ts246cs-0105484 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae22925fab6db8b1645e0f92ec85a7ef.jpg?v=1791663454 2-Amino-4-(tert-butyl)benzoic acid, 98% | 728945-64-0 2-Amino-4-(tert-butyl)benzoic acid|CS-0105484|728945-64-0 https://www.jk-sci.com/products/ts246cs-0105535 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/845f2cd7fd3203ace1a2c81e3bb3fb1d.jpg?v=1791663421 Azido-PEG5-CH2CO2H, 97% | 217180-81-9 Azido-PEG5-CH2CO2H|CS-0105535|217180-81-9 https://www.jk-sci.com/products/ts246cs-0105552 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd5108c42d03236e295e592de3053de9.jpg?v=1791663402 Methyl 5-amino-2-bromo-4-chlorobenzoate, 98.00%+ | 929524-50-5 Methyl 5-amino-2-bromo-4-chlorobenzoate|CS-0105552|929524-50-5 https://www.jk-sci.com/products/ts246cs-0105606 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8276afdc5424c0772e6dc3e908737664.jpg?v=1791663380 9-(2,6-Dimethylphenyl)-10-methylacridinium Perchlorate, 97% | 1276539-32-2 9-(2,6-Dimethylphenyl)-10-methylacridinium Perchlorate|CS-0105606|1276539-32-2 https://www.jk-sci.com/products/ts246cs-0105675 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74540839ebdc35aa25d065e1df29834e.jpg?v=1791663333 2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate, 97% | 580-34-7 2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate|CS-0105675|580-34-7 https://www.jk-sci.com/products/ts246cs-0105949 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed24c907618b9884e8f54f5fb1a4a3b6.jpg?v=1791663287 (S)-1-(3-(Trifluoromethoxy)phenyl)ethan-1-amine, 95% | 1228542-85-5 (S)-1-(3-(Trifluoromethoxy)phenyl)ethan-1-amine|CS-0105949|1228542-85-5 https://www.jk-sci.com/products/ts246cs-0106048 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/140747_28357e09-9492-498c-974d-ec86229fc894.png?v=1791663234 Potassium trichloroammineplatinate(II), AR,99.0% | 13820-91-2 Potassium trichloroammineplatinate(II)|CS-0106048|13820-91-2 https://www.jk-sci.com/products/s57c4x-220117 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_109a167a-028b-4be0-9526-0bbfa7925294.png?v=1791710527 Lumateperone Impurity 17 HCl, Purity: 99.7% Lumateperone Impurity 17 HCl|C4X-220117 https://www.jk-sci.com/products/ts246cs-0106070 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265451.png?v=1791663219 6-(2-(Pyrrolidin-1-yl)ethyl)nicotinic acid, 97% | 387350-41-6 6-(2-(Pyrrolidin-1-yl)ethyl)nicotinic acid|CS-0106070|387350-41-6 https://www.jk-sci.com/products/ts246cs-0106243 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab5a96978abdeb6bac9ede8085bf46a0.jpg?v=1791663186 (2-(Trifluoromethyl)pyridin-3-yl)boronic acid, 98% | 947533-39-3 (2-(Trifluoromethyl)pyridin-3-yl)boronic acid|CS-0106243|947533-39-3 https://www.jk-sci.com/products/s57c4x-220120 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd53ec35-084b-465d-bded-da1604d93cc1.png?v=1791710526 Lumateperone Impurity 20 HCl, 77.30% Lumateperone Impurity 20 HCl|C4X-220120 https://www.jk-sci.com/products/s57c4x-220159 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_05826e82-1c4b-48e3-adcc-a6b2a44d4afc.png?v=1791710522 Lumateperone impurity 59, Purity: 97.1% Lumateperone impurity 59|C4X-220159 https://www.jk-sci.com/products/s57c4x-22036 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba6229058686a4fca0d8474fbf3c19af.jpg?v=1791710518 Citicoline Impurity 6, 93.70% | 52448-10-9 Citicoline Impurity 6|C4X-22036|52448-10-9 https://www.jk-sci.com/products/s57c4x-22038 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d29afb03506b8c47b0841f7f27c4ab8.jpg?v=1791710514 Citicoline Impurity 8, 95.30% | 3036-18-8 Citicoline Impurity 8|C4X-22038|3036-18-8 https://www.jk-sci.com/products/s57c4x-22072 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d08b9606697df1f29259dbb399a618c9.jpg?v=1791710508 Vitamin K1 Impurity 2, 96.50% | 15576-40-6 Vitamin K1 Impurity 2|C4X-22072|15576-40-6 https://www.jk-sci.com/products/ts246cs-0106272 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2877fd4d4efea25b9f5cfc975101976c.jpg?v=1791663179 2-(4-Fluorophenyl)-5-methylpyridine, 96% | 85237-65-6 2-(4-Fluorophenyl)-5-methylpyridine|CS-0106272|85237-65-6 https://www.jk-sci.com/products/s57c4x-22073 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64bde2b1-3fa8-4d0b-8a6a-4d1c7f932ab5.png?v=1791710498 Vitamin K1 Hydroperoxide, Purity: 97.3% Vitamin K1 Hydroperoxide|C4X-22073 https://www.jk-sci.com/products/ts246cs-0106294 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73a7e0aae6b37090401a7b157d4119d3.jpg?v=1791663173 1-(2,2-Difluoroethyl)piperazine, 97% | 767609-14-3 1-(2,2-Difluoroethyl)piperazine|CS-0106294|767609-14-3 https://www.jk-sci.com/products/ts246cs-0106351 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a26028d149126f46a66995341e066656.jpg?v=1791663152 Styrylboronic acid, 98% | 4363-35-3 Styrylboronic acid|CS-0106351|4363-35-3 https://www.jk-sci.com/products/s57c4x-220731 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d21107e6a2cbecbb10e4369672f897fb.jpg?v=1791710497 Vitamin K1 Impurity 31, 91.30% | 19274-66-9 Vitamin K1 Impurity 31|C4X-220731|19274-66-9 https://www.jk-sci.com/products/s57c4x-220745 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39ff481de6af70c3273af0afa3dffa0e.jpg?v=1791710490 Vitamin K1 Impurity 45, 90.10% | 2581046-20-8 Vitamin K1 Impurity 45|C4X-220745|2581046-20-8 https://www.jk-sci.com/products/s57c4x-220739 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88b03a27-ecb7-48e8-9bb5-58a9b47c547e.png?v=1791710494 Vitamin K1 Impurity 39, 97.30% Vitamin K1 Impurity 39|C4X-220739 https://www.jk-sci.com/products/ts246cs-0106374 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0491bb1b813e60b8d2fcc9eb3f7b8ac.jpg?v=1791663145 8-Chloro-2-methylquinoline, 98% | 3033-82-7 8-Chloro-2-methylquinoline|CS-0106374|3033-82-7 https://www.jk-sci.com/products/s57c4x-22076 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6583dad284516473dd8614b5cafe2c0.jpg?v=1791710488 Menadiol monoacetate, 99.90% | 2211-27-0 Menadiol monoacetate|C4X-22076|2211-27-0 https://www.jk-sci.com/products/s57c4x-22078 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5053734c34c02b7804db64b99f8d7c3.jpg?v=1791710485 Vitamin K1 Impurity 8, 99.50% | 16033-41-3 Vitamin K1 Impurity 8|C4X-22078|16033-41-3 https://www.jk-sci.com/products/ts246cs-0106405 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427438.png?v=1791663130 1,2-Dibromo-4,5-methylenedioxybenzene, 97% | 5279-32-3 1,2-Dibromo-4,5-methylenedioxybenzene|CS-0106405|5279-32-3 https://www.jk-sci.com/products/ts246cs-0106586 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f600fceaf3608e99bd3423a1e5487b42.jpg?v=1791663089 (Ethoxycarbonyl)glycine, 97% | 4596-51-4 (Ethoxycarbonyl)glycine|CS-0106586|4596-51-4 https://www.jk-sci.com/products/ts246cs-0106656 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afed6ce48b43b071c8b73f6be56e32cf.jpg?v=1791663072 (R)-2-Amino-2-(p-tolyl)ethan-1-ol, 98% | 639054-51-6 (R)-2-Amino-2-(p-tolyl)ethan-1-ol|CS-0106656|639054-51-6 https://www.jk-sci.com/products/ts246cs-0106668 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f949817e04034897422eba44df3131fb.jpg?v=1791663066 2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane, 97.00%+ | 331465-71-5 2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane|CS-0106668|331465-71-5 https://www.jk-sci.com/products/ts246cs-0106739 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d1ede20ad27fe9e1aeac9948b33c5e.jpg?v=1791663056 5-Fluoro-2-(1H-pyrrol-1-yl)aniline, 95% | 896429-57-5 5-Fluoro-2-(1H-pyrrol-1-yl)aniline|CS-0106739|896429-57-5 https://www.jk-sci.com/products/ts246cs-0101642 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ced106e50f0cd8731aa2e85f69ed031.jpg?v=1791665161 (S)-Cyclopropyl(4-fluorophenyl)methanamine hydrochloride, 97% | 1202478-48-5 (S)-Cyclopropyl(4-fluorophenyl)methanamine hydrochloride|CS-0101642|1202478-48-5 https://www.jk-sci.com/products/ts246cs-0103385 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55f7751aba68ddb16898cf94abb89b2b.jpg?v=1791664172 6-Amino-5-iodonicotinonitrile, 97% | 1187322-51-5 6-Amino-5-iodonicotinonitrile|CS-0103385|1187322-51-5 https://www.jk-sci.com/products/ts246cs-0103843 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b871bec9c74683888b5f44335e3563d.jpg?v=1791663915 6-Bromobenzo[d]isoxazole-3-carboxylic acid, 97% | 1123169-17-4 6-Bromobenzo[d]isoxazole-3-carboxylic acid|CS-0103843|1123169-17-4 https://www.jk-sci.com/products/ts246cs-0104683 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88ab488279d0b1c01ac049f6bd2078ee.jpg?v=1791663757 (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5,5-dimethylhexanoic acid, 98.00%+ | 1217704-60-3 (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5,5-dimethylhexanoic acid|CS-0104683|1217704-60-3 https://www.jk-sci.com/products/ts246cs-0105024 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dfe781d59ae98efeeda2e6454303270.jpg?v=1791663640 Mal-PEG4-PFP ester, 95% | 1415800-42-8 Mal-PEG4-PFP ester|CS-0105024|1415800-42-8 https://www.jk-sci.com/products/ts246cs-0105378 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82872456daad23200e08fec89f3bb078.jpg?v=1791663510 1,2,4,5,6,7-Hexahydro-3H-pyrazolo[3,4-c]pyridin-3-one hydrochloride, 95.00%+ | 1187830-91-6 1,2,4,5,6,7-Hexahydro-3H-pyrazolo[3,4-c]pyridin-3-one hydrochloride|CS-0105378|1187830-91-6 https://www.jk-sci.com/products/ts246cs-0105480 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47028914efef2aa7796b744dd2a9c758.jpg?v=1791663459 2-Fluoro-4-hydroxy-5-nitrobenzaldehyde, 98.86%+ | 394-34-3 2-Fluoro-4-hydroxy-5-nitrobenzaldehyde|CS-0105480|394-34-3 https://www.jk-sci.com/products/s57c4x-221116 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9b0c5d4-b5cf-456d-bad6-c52d4d723481.png?v=1791710477 Lysine Impurity 16 TFA Salt, 92.90% Lysine Impurity 16 TFA Salt|C4X-221116 https://www.jk-sci.com/products/ts246cs-0105546 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d405668acc6ee4d258c5980a9eae4033.jpg?v=1791663409 4-Fluoro-2-(methylsulfonyl)aniline, 98% | 1197193-21-7 4-Fluoro-2-(methylsulfonyl)aniline|CS-0105546|1197193-21-7 https://www.jk-sci.com/products/ts246cs-0105609 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622095.png?v=1791663374 10-Methylacridinium Perchlorate, 97% | 26456-05-3 10-Methylacridinium Perchlorate|CS-0105609|26456-05-3 https://www.jk-sci.com/products/s57c4x-22111 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/391565.png?v=1791710480 Lysine Impurity 1 DiHCl, 84.60% | 52123-30-5 Lysine Impurity 1 DiHCl|C4X-22111|52123-30-5 https://www.jk-sci.com/products/ts246cs-0106020 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342354_b4a236ac-3ac5-499f-a7ee-fcf4bc0af6b3.png?v=1791663249 1,2-Bis[(2R,5R)-2,5-diisopropyl-1-phospholanyl]benzene, 97% | 136705-65-2 1,2-Bis[(2R,5R)-2,5-diisopropyl-1-phospholanyl]benzene|CS-0106020|136705-65-2 https://www.jk-sci.com/products/ts246cs-0106228 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/674f4eac0961e6014f1ca55f7ee4fb9c.jpg?v=1791663192 1,3-Bis(2,4,6-trimethylphenyl)imidazolium bicarbonate, 98% | 1372124-93-0 1,3-Bis(2,4,6-trimethylphenyl)imidazolium bicarbonate|CS-0106228|1372124-93-0 https://www.jk-sci.com/products/s57c4x-221118 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/696a7723077549914e0a2fa594dab034.jpg?v=1791710474 Lysine Impurity 18, 92.60% | 671-42-1 Lysine Impurity 18|C4X-221118|671-42-1 https://www.jk-sci.com/products/ts246cs-0106278 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224a5d21d3d11fdbdb9e18803f52a783.jpg?v=1791663179 1-(5-Bromothiophen-2-yl)ethan-1-amine, 99.05%+ | 129605-38-5 1-(5-Bromothiophen-2-yl)ethan-1-amine|CS-0106278|129605-38-5 https://www.jk-sci.com/products/ts246cs-0106362 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469309.png?v=1791663151 Methyl 4-oxobutanoate, 95% | 13865-19-5 Methyl 4-oxobutanoate|CS-0106362|13865-19-5 https://www.jk-sci.com/products/ts246cs-0106404 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eca8c12c4a6a2b3fd2b5c97db251f46.jpg?v=1791663130 Methyl 2-amino-4-methoxybenzo[d]thiazole-6-carboxylate, 95% | 955886-84-7 Methyl 2-amino-4-methoxybenzo[d]thiazole-6-carboxylate|CS-0106404|955886-84-7 https://www.jk-sci.com/products/ts246cs-0106618 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9602f479a199de229805b595869e173.jpg?v=1791663084 4-(2-Chloroethoxy)-2-(4-propoxyphenyl)quinoline, 91% | 1443120-51-1 4-(2-Chloroethoxy)-2-(4-propoxyphenyl)quinoline|CS-0106618|1443120-51-1 https://www.jk-sci.com/products/ts246cs-0106738 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8505b8145347c1d52753217bd41dfb40.jpg?v=1791663061 1-(4-Fluoro-2-nitrophenyl)-1H-pyrrole, 95% | 674284-49-2 1-(4-Fluoro-2-nitrophenyl)-1H-pyrrole|CS-0106738|674284-49-2 https://www.jk-sci.com/products/s57c4x-221120 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360977_b64b3740-c423-4205-a3a4-2c44b4cf7c02.png?v=1791710470 Lysine Impurity 20, 96.00% | 1946-82-3 Lysine Impurity 20|C4X-221120|1946-82-3 https://www.jk-sci.com/products/ts246cs-0106873 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480941.png?v=1791663027 2,4,6-Triiodophenol, 98% | 609-23-4 2,4,6-Triiodophenol|CS-0106873|609-23-4 https://www.jk-sci.com/products/ts246cs-0106930 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b16dedd966e18d28bd9a5f828762b962.jpg?v=1791663017 Methyl 2-aminoquinoline-6-carboxylate, 97% | 1823775-69-4 Methyl 2-aminoquinoline-6-carboxylate|CS-0106930|1823775-69-4 https://www.jk-sci.com/products/s57c4x-22116 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_205ba088-ed5e-4ac5-b4b0-94ee67c6b133.png?v=1791710468 Lysine Impurity 6, Purity: 97.4% Lysine Impurity 6|C4X-22116 https://www.jk-sci.com/products/ts246cs-0107069 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/973b493d30d0becd1c2e4007d699c938.jpg?v=1791663013 3-Chloro-2,6-difluoroaniline, 98% | 287172-82-1 3-Chloro-2,6-difluoroaniline|CS-0107069|287172-82-1 https://www.jk-sci.com/products/ts246cs-0107135 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae4c2a8189c5f39d0e708b67bc807267.jpg?v=1791662997 2-Bromo-4-chloronicotinic acid, 97% | 1256833-88-1 2-Bromo-4-chloronicotinic acid|CS-0107135|1256833-88-1 https://www.jk-sci.com/products/ts246cs-0107187 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1390a7154837876495ed37a706212582.jpg?v=1791662980 Chromane-5-carboxylic acid, 97.00%+ | 209256-64-4 Chromane-5-carboxylic acid|CS-0107187|209256-64-4 https://www.jk-sci.com/products/ts246cs-0107232 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06713afc4671786743c56ac43b817129.jpg?v=1791662968 5-Chloro-2-(difluoromethoxy)pyridine, 97.00%+ | 1214323-40-6 5-Chloro-2-(difluoromethoxy)pyridine|CS-0107232|1214323-40-6 https://www.jk-sci.com/products/ts246cs-0107252 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133297.png?v=1791662948 (4-(Difluoromethoxy)phenyl)methanamine, 98% | 177842-14-7 (4-(Difluoromethoxy)phenyl)methanamine|CS-0107252|177842-14-7 https://www.jk-sci.com/products/ts246cs-0107347 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577bd527deaeb3a4dcc1308df365f036.jpg?v=1791662929 2-Amino-3,6-difluorobenzoic acid, 99.02%+ | 825654-54-4 2-Amino-3,6-difluorobenzoic acid|CS-0107347|825654-54-4 https://www.jk-sci.com/products/ts246cs-0107555 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e75d64f175444e7ae249503e77833523.jpg?v=1791662906 Propargyl-PEG9-amine, 97% | 2093153-98-9 Propargyl-PEG9-amine|CS-0107555|2093153-98-9 https://www.jk-sci.com/products/ts246cs-0107561 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6ebdb568b8b3dac429c08e718e7824b.jpg?v=1791662901 Propargyl-PEG7-alcohol, 97% | 1422023-54-8 Propargyl-PEG7-alcohol|CS-0107561|1422023-54-8 https://www.jk-sci.com/products/ts246cs-0107585 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/949d6249c7b93ceaa1cf2e5d1a47d2dd.jpg?v=1791662885 Propargyl-PEG4-O-C1-Boc, 97% | 2098489-63-3 Propargyl-PEG4-O-C1-Boc|CS-0107585|2098489-63-3 https://www.jk-sci.com/products/ts246cs-0107641 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266117.png?v=1791662875 Dimethyl 2-methoxymalonate, 96% | 5018-30-4 Dimethyl 2-methoxymalonate|CS-0107641|5018-30-4 https://www.jk-sci.com/products/ts246cs-0107664 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e59828b75af195157df949987504a1c2.jpg?v=1791662864 3-Bromo-2-fluorobenzamide, 98% | 871353-25-2 3-Bromo-2-fluorobenzamide|CS-0107664|871353-25-2 https://www.jk-sci.com/products/s57c4x-2213104 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b7688715-4243-453a-967d-ec7965732252.png?v=1791710459 Roxadustat Impurity 104, 91.80% Roxadustat Impurity 104|C4X-2213104 https://www.jk-sci.com/products/s57c4x-2213 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f749bf221bb5ac1467f78324dc1db824.jpg?v=1791710466 Roxadustat, 99.50% | 808118-40-3 Roxadustat|C4X-2213|808118-40-3 https://www.jk-sci.com/products/ts246cs-0107680 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0da9e57dc92c5f3c8d8c55be450e41a3.jpg?v=1791662859 Tos-PEG4-acid, 95% | 1453117-42-4 Tos-PEG4-acid|CS-0107680|1453117-42-4 https://www.jk-sci.com/products/ts246cs-0107851 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104293227de4eda0870c541fe745374e.jpg?v=1791662847 (R)-2-Hydroxybutanoic acid, 95% | 20016-85-7 (R)-2-Hydroxybutanoic acid|CS-0107851|20016-85-7 https://www.jk-sci.com/products/ts246cs-0107896 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7309261b3138f803bbf6f1c0c175e28d.jpg?v=1791662840 Methyl 3-(((tert-butyldimethylsilyl)oxy)methyl)cyclobutane-1-carboxylate, 97% | 1848239-63-3 Methyl 3-(((tert-butyldimethylsilyl)oxy)methyl)cyclobutane-1-carboxylate|CS-0107896|1848239-63-3 https://www.jk-sci.com/products/s57c4x-2213106 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6062d7f-bef6-4f0d-bd52-6a9864d61153.png?v=1791710459 Roxadustat Impurity 106, 99.40% Roxadustat Impurity 106|C4X-2213106 https://www.jk-sci.com/products/ts246cs-0107915 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e125c0f9362b786d27501103d9d365e.jpg?v=1791662834 1-(Dibenzylamino)butan-2-ol, 98% | 408331-08-8 1-(Dibenzylamino)butan-2-ol|CS-0107915|408331-08-8 https://www.jk-sci.com/products/ts246cs-0107945 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87595b2d62f9d869cf500894394298fd.jpg?v=1791662829 Cbz-NH-PEG6-C2-acid, 98% | 1334177-80-8 Cbz-NH-PEG6-C2-acid|CS-0107945|1334177-80-8 https://www.jk-sci.com/products/ts246cs-0107979 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5482eb26a6aed3ec3f787ea4e21a9058.jpg?v=1791662817 Fmoc-PEG6-NHS ester, 98% | 1818294-31-3 Fmoc-PEG6-NHS ester|CS-0107979|1818294-31-3 https://www.jk-sci.com/products/ts246cs-0103522 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10a814074058e3a2628f2343417b7758.jpg?v=1791664037 2-(Piperidin-4-ylidene)acetic acid hydrochloride, 95.00%+ | 84839-57-6 2-(Piperidin-4-ylidene)acetic acid hydrochloride|CS-0103522|84839-57-6 https://www.jk-sci.com/products/ts246cs-0104957 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1489893_42a10433-c6bd-407d-a52e-bc542dff7c19.png?v=1791663684 (8α,9S)-6'-Cinchonan-9-amine Trihydrochloride, 97% | 1263486-03-8 (8α,9S)-6'-Cinchonan-9-amine Trihydrochloride|CS-0104957|1263486-03-8 https://www.jk-sci.com/products/s57c4x-221318 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/844e14abbe0112602d0170fee3ae1935.jpg?v=1791710450 Roxadustat Impurity 18, 99.70% | 2376195-48-9 Roxadustat Impurity 18|C4X-221318|2376195-48-9 https://www.jk-sci.com/products/s57c4x-221314 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b572a384a07b425dd31ac89cc38939ac.jpg?v=1791710450 Roxadustat Impurity 14, 99.30% | 808119-86-0 Roxadustat Impurity 14|C4X-221314|808119-86-0 https://www.jk-sci.com/products/s57c4x-221320 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7408691215fa33ebb1693b7bbc599f82.jpg?v=1791710438 Roxadustat Impurity 20, 99.00% | 2599284-48-5 Roxadustat Impurity 20|C4X-221320|2599284-48-5 https://www.jk-sci.com/products/ts246cs-0105455 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8b9e7fc6c69e2e4127e7efbd613144e.jpg?v=1791663470 Benzyl-PEG2-azide, 98% | 1260001-87-3 Benzyl-PEG2-azide|CS-0105455|1260001-87-3 https://www.jk-sci.com/products/ts246cs-0105558 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d9015d99024d8e2a39a4c632021c0cf.jpg?v=1791663403 2,6-Difluoro-3-nitrobenzaldehyde, 97% | 606966-11-4 2,6-Difluoro-3-nitrobenzaldehyde|CS-0105558|606966-11-4 https://www.jk-sci.com/products/ts246cs-0106054 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431284_28f16021-c0da-4135-bd1b-8c759f1c4461.png?v=1791663229 Methyl 4-oxotetrahydrothiophene-3-carboxylate, 95% | 2689-68-1 Methyl 4-oxotetrahydrothiophene-3-carboxylate|CS-0106054|2689-68-1 https://www.jk-sci.com/products/ts246cs-0106464 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73c219cd258815b632973e10cfea58de.jpg?v=1791663115 2-(3-(Difluoromethyl)-4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 95% | 445303-65-1 2-(3-(Difluoromethyl)-4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0106464|445303-65-1 https://www.jk-sci.com/products/ts246cs-0106330 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616173_523de755-b200-408b-aa34-9910ea440853.png?v=1791663156 2-(Piperidin-3-yl)ethan-1-amine dihydrochloride, 95% | 90000-30-9 2-(Piperidin-3-yl)ethan-1-amine dihydrochloride|CS-0106330|90000-30-9 https://www.jk-sci.com/products/ts246cs-0106855 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d3de824939dc5fd77a6499d31b3a222.jpg?v=1791663034 Calcium(II) bis(trifluoromethanesulfonimide), 97% | 165324-09-4 Calcium(II) bis(trifluoromethanesulfonimide)|CS-0106855|165324-09-4 https://www.jk-sci.com/products/ts246cs-0107018 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352567_8ae81783-4773-4230-a263-a8cbfd1ed5fa.png?v=1791663012 7-Methoxyquinolin-4-amine, 98.00%+ | 103040-78-4 7-Methoxyquinolin-4-amine|CS-0107018|103040-78-4 https://www.jk-sci.com/products/ts246cs-0107166 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aff61cb0cea9e8fd2c6102f8e3c4c08c.jpg?v=1791662985 6-Oxo-1,6-dihydropyrimidine-4-carboxamide, 95% | 98024-63-6 6-Oxo-1,6-dihydropyrimidine-4-carboxamide|CS-0107166|98024-63-6 https://www.jk-sci.com/products/ts246cs-0107245 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9fed2ef43739017fc956d4ac376285a.jpg?v=1791662953 1-(Difluoromethoxy)-4-ethynylbenzene, 98.39%+ | 519059-04-2 1-(Difluoromethoxy)-4-ethynylbenzene|CS-0107245|519059-04-2 https://www.jk-sci.com/products/s57c4x-221325 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/711e7d16b819b34a5d6eea777759deb4.jpg?v=1791710438 Roxadustat Impurity 25, Purity: 97.3% | 2699139-12-1 Roxadustat Impurity 25|C4X-221325|2699139-12-1 https://www.jk-sci.com/products/ts246cs-0107435 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404608.png?v=1791662912 2′,7′-Dichlorofluorescein diacetate, 97% | 2044-85-1 2′,7′-Dichlorofluorescein diacetate|CS-0107435|2044-85-1 https://www.jk-sci.com/products/ts246cs-0107566 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c01bf14fe2564d7dcb9043ee6ae82d2.jpg?v=1791662891 Propargyl-PEG7-acid, 98% | 2093154-00-6 Propargyl-PEG7-acid|CS-0107566|2093154-00-6 https://www.jk-sci.com/products/ts246cs-0107643 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c46e2a8d11ab1beb98481d85619053e9.jpg?v=1791662870 m-PEG6-Amine, 97% | 184357-46-8 m-PEG6-Amine|CS-0107643|184357-46-8 https://www.jk-sci.com/products/s57c4x-221334 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_614254e9-f2fe-46e9-be92-85c4624fbc71.png?v=1791710433 Roxadustat Impurity 34, Purity: 96.9% Roxadustat Impurity 34|C4X-221334 https://www.jk-sci.com/products/ts246cs-0107788 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64d3441c06bde80dad0f6f34e2c0f2b5.jpg?v=1791662850 3,7-Dibromodibenzo[b,d]furan, 95% | 67019-91-4 3,7-Dibromodibenzo[b,d]furan|CS-0107788|67019-91-4 https://www.jk-sci.com/products/ts246cs-0107899 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60c26d57f7c57fc9b3743b14515d1593.jpg?v=1791662841 5-Methyl-2H-thieno[2,3-d][1,3]oxazine-2,4(1H)-dione, 97% | 109666-88-8 5-Methyl-2H-thieno[2,3-d][1,3]oxazine-2,4(1H)-dione|CS-0107899|109666-88-8 https://www.jk-sci.com/products/ts246cs-0107949 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6385d15e21d6cf6940ede0a6fe99bec8.jpg?v=1791662828 m-PEG3-CH2COOH, 96% | 16024-60-5 m-PEG3-CH2COOH|CS-0107949|16024-60-5 https://www.jk-sci.com/products/ts246cs-0107996 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b65ddcaf182b0187937999aa3547851.jpg?v=1791662804 Bis-PEG7-NHS ester, 95% | 1334170-02-3 Bis-PEG7-NHS ester|CS-0107996|1334170-02-3 https://www.jk-sci.com/products/ts246cs-0108116 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134884.png?v=1791662784 [Bis(2-diphenylphosphino)ethyl]ether, 97.00%+ | 50595-38-5 [Bis(2-diphenylphosphino)ethyl]ether|CS-0108116|50595-38-5 https://www.jk-sci.com/products/ts246cs-0108217 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4139b503b6c2e702d063258dc7fc2ce.jpg?v=1791662765 Tetrazine-Ph-NHS ester, 95% | 1616668-55-3 Tetrazine-Ph-NHS ester|CS-0108217|1616668-55-3 https://www.jk-sci.com/products/ts246cs-0108357 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf988a9d57288ec70ed45d27a069f8d6.jpg?v=1791662738 Ald-Ph-PEG6-acid, 95% | 2055013-55-1 Ald-Ph-PEG6-acid|CS-0108357|2055013-55-1 https://www.jk-sci.com/products/s57c4x-221338 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec564f84-f157-49dc-a019-e9c38812c5ec.png?v=1791710427 Roxadustat Impurity 38, 98.00% Roxadustat Impurity 38|C4X-221338 https://www.jk-sci.com/products/ts246cs-0108443 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622882.png?v=1791662695 (S)-1-[(R)-2-[Di(1-naphthyl)phosphino]ferrocenyl] ethyldi(3,5-xylyl)phosphine, 97% | 851308-41-3 (S)-1-[(R)-2-[Di(1-naphthyl)phosphino]ferrocenyl] ethyldi(3,5-xylyl)phosphine|CS-0108443|851308-41-3 https://www.jk-sci.com/products/ts246cs-0102834 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b243b2ac63e71ab512f410f22dbbbc4d.jpg?v=1791664424 4-Bromo-5-nitro-1H-indole, 97% | 1934562-99-8 4-Bromo-5-nitro-1H-indole|CS-0102834|1934562-99-8 https://www.jk-sci.com/products/ts246cs-0105096 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/752c406aed55856c6460d5e56303404a.jpg?v=1791663593 PPC-NB, 97% | 1887040-81-4 PPC-NB|CS-0105096|1887040-81-4 https://www.jk-sci.com/products/ts246cs-0105847 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3502c411da4b9165b962cdff87faeb13.jpg?v=1791663300 m-PEG2-acid, 96% | 149577-05-9 m-PEG2-acid|CS-0105847|149577-05-9 https://www.jk-sci.com/products/s57c4x-22135 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a38b7614b1ed878e2a84a335d9d36ab.jpg?v=1791710423 Roxadustat Impurity 5, 99.70% | 1421312-36-8 Roxadustat Impurity 5|C4X-22135|1421312-36-8 https://www.jk-sci.com/products/s57c4x-221368 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f118169-0413-4a22-8432-313ac9700cd2.png?v=1791710416 Roxadustat Impurity 68, Purity: 99.5% Roxadustat Impurity 68|C4X-221368 https://www.jk-sci.com/products/s57c4x-22139 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432cf8076d146899917161a108e3d722.jpg?v=1791710414 Roxadustat Impurity 9, 99.10% | 1421312-35-7 Roxadustat Impurity 9|C4X-22139|1421312-35-7 https://www.jk-sci.com/products/ts246cs-0106376 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79a172b897daf43e989254227f166768.jpg?v=1791663140 2,6-Dibromo-4-methylbenzaldehyde, 98.44%+ | 88174-23-6 2,6-Dibromo-4-methylbenzaldehyde|CS-0106376|88174-23-6 https://www.jk-sci.com/products/s57c4x-22151 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7986e8a2-a399-4fc3-acb7-83562a2945dd.png?v=1791710409 Desmopressin EP Impurity A TFA salt, 97.00% Desmopressin EP Impurity A TFA salt|C4X-22151 https://www.jk-sci.com/products/s57c4x-221515 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24aa0794-abfa-4423-ac9d-e760f6bec049.png?v=1791710403 Desmopressin(1-7)-OH·TFA, Purity: 99.7% Desmopressin(1-7)-OH·TFA|C4X-221515 https://www.jk-sci.com/products/s57c4x-221395 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e110dfa8-197b-45e0-91ec-99c8a5af8d32.png?v=1791710412 Roxadustat Impurity 95, Purity: 97.4% Roxadustat Impurity 95|C4X-221395 https://www.jk-sci.com/products/s57c4x-22152 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b47f4713-2f49-4da4-8ce0-ff34c2d96bd0.png?v=1791710403 Desmopressin EP Impurity B TFA salt, Purity: 96.4% Desmopressin EP Impurity B TFA salt|C4X-22152 https://www.jk-sci.com/products/ts246cs-0106822 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248208.png?v=1791663045 Potassium bis(trifluoromethylsulfonyl)imide, 98% | 90076-67-8 Potassium bis(trifluoromethylsulfonyl)imide|CS-0106822|90076-67-8 https://www.jk-sci.com/products/ts246cs-0107113 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cb0253b6532f3c1fb56e19d22128ba3.jpg?v=1791662996 1-Bromo-3-fluoro-5-(trifluoromethoxy)benzene, 95% | 1129541-09-8 1-Bromo-3-fluoro-5-(trifluoromethoxy)benzene|CS-0107113|1129541-09-8 https://www.jk-sci.com/products/s57c4x-221523 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78e6ebbe-f23e-4261-b1f1-af0337299ba2.png?v=1791710399 Desmopressin EP Impurity A, 83.60% Desmopressin EP Impurity A|C4X-221523 https://www.jk-sci.com/products/ts246cs-0107267 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201862.png?v=1791662941 Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97% | 680-15-9 Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate|CS-0107267|680-15-9 https://www.jk-sci.com/products/s57c4x-221525 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ed5139a-77df-41e8-bd11-e6b78455be4d.png?v=1791710394 Desmopressin EP Impurity C, 96.10% Desmopressin EP Impurity C|C4X-221525 https://www.jk-sci.com/products/ts246cs-0107612 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed209b78a2d16dd86b579b76c8ab50ec.jpg?v=1791662880 DBCO-PEG4-C2-acid, 97.00%+ | 1537170-85-6 DBCO-PEG4-C2-acid|CS-0107612|1537170-85-6 https://www.jk-sci.com/products/s57c4x-22153 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6852fdbd-e15e-44be-99e3-74f67b71d835.png?v=1791710390 Desmopressin EP Impurity C TFA salt, 97.20% Desmopressin EP Impurity C TFA salt|C4X-22153 https://www.jk-sci.com/products/ts246cs-0107856 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea29c78d9c9e41fbe48f1beb3e122ffd.jpg?v=1791662845 4-Chlorobenzo[c][1,2,5]oxadiazole, 98% | 7116-16-7 4-Chlorobenzo[c][1,2,5]oxadiazole|CS-0107856|7116-16-7 https://www.jk-sci.com/products/s57c4x-221527 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_911c5d7f-2f1c-44c1-acd7-323e8a1dea1e.png?v=1791710394 [β-Asp5]-Desmopressin, 95.50% [β-Asp5]-Desmopressin|C4X-221527 https://www.jk-sci.com/products/s57c4x-221539 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_555affb1-173d-4517-833f-d57b00500fb8.png?v=1791710385 Desmopressin Impurity 39, Purity: 100.0% Desmopressin Impurity 39|C4X-221539 https://www.jk-sci.com/products/ts246cs-0108115 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/584d6a7d77aa305090aa07362e86b36a.jpg?v=1791662790 [2-(N,N-Dimethylamino)phenyl]di-t-butylphosphine, 95.00%+ | 415941-58-1 [2-(N,N-Dimethylamino)phenyl]di-t-butylphosphine|CS-0108115|415941-58-1 https://www.jk-sci.com/products/s57c4x-221542 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d5189aed-fd19-4bfd-8a8b-bbc3db7db215.png?v=1791710385 Desmopressin Impurity 42, Purity: 99.1% Desmopressin Impurity 42|C4X-221542 https://www.jk-sci.com/products/s57c4x-19052 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7482f7d24b550a67abf5bcb18f356114.jpg?v=1791712677 Amifostine Impurity 2, 92.80% | 14653-77-1 Amifostine Impurity 2|C4X-19052|14653-77-1 https://www.jk-sci.com/products/ts246cs-0107981 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0532629ffe42c979cde42c052790dd0f.jpg?v=1791662817 Tr-PEG4-OH, 98% | 125274-16-0 Tr-PEG4-OH|CS-0107981|125274-16-0 https://www.jk-sci.com/products/s57c4x-19851 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/037640826d1cd51e01706847fea6867f.jpg?v=1791711797 Regadenoson Impurity 1, 97.80% | 313348-29-7 Regadenoson Impurity 1|C4X-19851|313348-29-7 https://www.jk-sci.com/products/s57c4x-200729 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eeff5e4538a5f044798a7c07c4c0ebd9.jpg?v=1791711600 Brivaracetam Impurity 29, 92.10% | 2179080-15-8 Brivaracetam Impurity 29|C4X-200729|2179080-15-8 https://www.jk-sci.com/products/s57c4x-20021 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfae6368094caed4fb18f5a03eb8fcaf.jpg?v=1791711661 Bromfenac Impurity 1, 77.50% | 61941-62-6 Bromfenac Impurity 1|C4X-20021|61941-62-6 https://www.jk-sci.com/products/ts246cs-0108211 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5cc4ee8cc98c8d7ae7ceaa6f32df0ab.jpg?v=1791662770 m-PEG4-CH2COOH, 98.00%+ | 16024-66-1 m-PEG4-CH2COOH|CS-0108211|16024-66-1 https://www.jk-sci.com/products/s57c4x-201712 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ec10b222e0f8d84425419550bbf4104.jpg?v=1791711490 Bezafibrate EP Impurity D, 99.50% | 41859-58-9 Bezafibrate EP Impurity D|C4X-201712|41859-58-9 https://www.jk-sci.com/products/ts246cs-0108395 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ece4016bbd5b4070b92c8e9341e04ec.jpg?v=1791662739 Tricyclohexylphosphonium trifluoromethanesulfonate, 95% | 952649-12-6 Tricyclohexylphosphonium trifluoromethanesulfonate|CS-0108395|952649-12-6 https://www.jk-sci.com/products/s57c4x-202173 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a15568fb659595e750c41e31465c012b.jpg?v=1791711432 Crisaborole lmpurity 73, 96.50% | 2473730-47-9 Crisaborole lmpurity 73|C4X-202173|2473730-47-9 https://www.jk-sci.com/products/ts246cs-0108519 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f599d5fd8efb12e5f0c2444f373fc17a.jpg?v=1791662683 3-Iodo-N-methylaniline, 97% | 61829-42-3 3-Iodo-N-methylaniline|CS-0108519|61829-42-3 https://www.jk-sci.com/products/s57c4x-20274 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461512_7bb8c8f4-8bb6-4b80-9753-b0ff30acdcd7.png?v=1791711373 4-Propoxybenzoic Acid, 99.30% | 5438-19-7 4-Propoxybenzoic Acid|C4X-20274|5438-19-7 https://www.jk-sci.com/products/ts246cs-0108648 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b84a7064ea8c8048279dbb37a0a7ba1.jpg?v=1791662657 (R)-1-[(S)-2-[Bis[4-(trifluoromethyl)phenyl]phosphino]ferrocenyl]ethylbis[4-(trifluoromethyl)phenyl]phosphine, 97% | 166172-60-7 (R)-1-[(S)-2-[Bis[4-(trifluoromethyl)phenyl]phosphino]ferrocenyl]ethylbis[4-(trifluoromethyl)phenyl]phosphine|CS-0108648|166172-60-7 https://www.jk-sci.com/products/s57c4x-203145 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ec0beee-904b-40f3-b590-e2fe84ee9c41.png?v=1791711303 Revefenacin Impurity 45, 90.30% Revefenacin Impurity 45|C4X-203145 https://www.jk-sci.com/products/ts246cs-0108673 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb1607515ab619436b1b634a84687ed2.jpg?v=1791662644 N,N-diisopropyl-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 97% | 208593-05-9 N,N-diisopropyl-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0108673|208593-05-9 https://www.jk-sci.com/products/s57c4x-204225 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b9b6b9eadcd2bbbc87fb74cc7f957d0.jpg?v=1791711235 Neostigmine Impurity 25, 93.10% | 76418-45-6 Neostigmine Impurity 25|C4X-204225|76418-45-6 https://www.jk-sci.com/products/s57c4x-20457 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ea52ed1d155e295f545da82743e3b66.jpg?v=1791711191 Osimertinib Impurity 7, 92.90% | 2919324-18-6 Osimertinib Impurity 7|C4X-20457|2919324-18-6 https://www.jk-sci.com/products/s57c4x-205115 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a453149-b927-489b-9ffb-27c06787faa5.png?v=1791711161 Calcium Dobesilate Impurity 15, Purity: 99.7% Calcium Dobesilate Impurity 15|C4X-205115 https://www.jk-sci.com/products/s57c4x-205819 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d0013880-cf9b-4479-88be-dc68a8e92756.png?v=1791711132 Ruxolitinib Impurity 19, Purity: 96.2% Ruxolitinib Impurity 19|C4X-205819 https://www.jk-sci.com/products/ts246cs-0108712 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3016c21dd4b02fff4b86a777523dcb4.jpg?v=1791662623 N,N-bis((S)-1-phenylethyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 97% | 948309-50-0 N,N-bis((S)-1-phenylethyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0108712|948309-50-0 https://www.jk-sci.com/products/s57c4x-20591 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325650_c837c135-ac83-4680-90f6-18960f3dc6bb.png?v=1791711106 Praziquantel EP Impurity A, 97.10% | 54761-87-4 Praziquantel EP Impurity A|C4X-20591|54761-87-4 https://www.jk-sci.com/products/ts246cs-0108740 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5166291fd9242356d9b05e531c41a613.jpg?v=1791662618 Benzothiohydrazide, 96% | 20605-40-7 Benzothiohydrazide|CS-0108740|20605-40-7 https://www.jk-sci.com/products/s57c4x-206627 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0af711af-eaae-4060-ba23-f990e3e8010d.png?v=1791711070 D-Gln4-Oxytocin, 92.30% D-Gln4-Oxytocin|C4X-206627 https://www.jk-sci.com/products/s57c4x-206852 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab90e1dbc4afbdacf95fafa1a54e03d6.jpg?v=1791711041 Elagolix Impurity 52, 80.40% | 2756307-49-8 Elagolix Impurity 52|C4X-206852|2756307-49-8 https://www.jk-sci.com/products/ts246cs-0108759 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1c5f2d5a44a13a57e7bd7789d1cb5c7.jpg?v=1791662607 (αS)-α-Methyl-N-[(1S)-1-phenylethyl]benzenemethanamine, 98% | 56210-72-1 (αS)-α-Methyl-N-[(1S)-1-phenylethyl]benzenemethanamine|CS-0108759|56210-72-1 https://www.jk-sci.com/products/s57c4x-20783 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117042_f5e0aed1-7283-473c-97d4-65c0f260025c.png?v=1791711014 Dihydralazine EP Impurity C, Purity: 99.5% | 304-20-1 Dihydralazine EP Impurity C|C4X-20783|304-20-1 https://www.jk-sci.com/products/ts246cs-0108776 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ef06b4bcfd16ecb959f77803b0c6ed9.jpg?v=1791662580 6-Bromo-3-iodoquinoline, 98% | 1416440-23-7 6-Bromo-3-iodoquinoline|CS-0108776|1416440-23-7 https://www.jk-sci.com/products/s57c4x-2083 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364766_6c5ef336-037a-4fc8-baf9-4957d34e6c8f.png?v=1791710988 Desipramine HCl, Purity>95% | 58-28-6 Desipramine HCl|C4X-2083|58-28-6 https://www.jk-sci.com/products/s57c4x-208429 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5ba5dff4-af9a-462a-8e3a-91fe80fd221a.png?v=1791710963 Lusutrombopag Impurity 29, 98.00% Lusutrombopag Impurity 29|C4X-208429 https://www.jk-sci.com/products/ts246cs-0108782 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb4a9b2460c5797d5a4b9ee339bb7cd5.jpg?v=1791662573 (6-Carbamoylpyridin-3-yl)boronic acid, 98% | 1164100-82-6 (6-Carbamoylpyridin-3-yl)boronic acid|CS-0108782|1164100-82-6 https://www.jk-sci.com/products/ts246cs-0108795 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/827ed1e87d5897699415edf41bd4ba7a.jpg?v=1791662567 2-Chloro-5-(difluoromethoxy)pyrimidine, 98% | 1192813-64-1 2-Chloro-5-(difluoromethoxy)pyrimidine|CS-0108795|1192813-64-1 https://www.jk-sci.com/products/s57c4x-20851 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45ea2ffadcd3667247e6164f995a1373.jpg?v=1791710934 Nicergoline EP Impurity A, 99.30% | 38536-28-6 Nicergoline EP Impurity A|C4X-20851|38536-28-6 https://www.jk-sci.com/products/ts246cs-0108802 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29104e66f3953a5056ae745fd83c769a.jpg?v=1791662555 3-Chloro-2-fluoro-5-(trifluoromethyl)benzoic acid, 97% | 129931-45-9 3-Chloro-2-fluoro-5-(trifluoromethyl)benzoic acid|CS-0108802|129931-45-9 https://www.jk-sci.com/products/ts246cs-0108810 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26e6dc14ca21957d60ed2743c0a64e47.jpg?v=1791662550 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline, 98% | 876922-75-7 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline|CS-0108810|876922-75-7 https://www.jk-sci.com/products/s57c4x-20914 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c8ed058640d2397a4ea6c9d9652d129.jpg?v=1791710907 Ioversol Impurity 4, 87.90% | 2061892-21-3 Ioversol Impurity 4|C4X-20914|2061892-21-3 https://www.jk-sci.com/products/ts246cs-0108815 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46b96b493c0b46ef61ae206ae242461.jpg?v=1791662549 7-Bromo-1H-pyrrolo[3,2-c]pyridine-3-carbonitrile, 99.93%+ | 1260387-11-8 7-Bromo-1H-pyrrolo[3,2-c]pyridine-3-carbonitrile|CS-0108815|1260387-11-8 https://www.jk-sci.com/products/s57c4x-208625 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d19be848-bd47-4a50-8f39-9e3fee043758.png?v=1791710918 Dacomitinib Impurity 25, 99.40% Dacomitinib Impurity 25|C4X-208625 https://www.jk-sci.com/products/ts246cs-0108846 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/946f209aacc9fa28d9c9acaffc396a51.jpg?v=1791662538 Amino-PEG4-CH2COOH, 95% | 195071-49-9 Amino-PEG4-CH2COOH|CS-0108846|195071-49-9 https://www.jk-sci.com/products/ts246cs-0108894 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58bda4b6e4f1b89bb6188fcc2880b88d.jpg?v=1791662533 Tos-PEG2-Boc, 98% | 1309666-78-1 Tos-PEG2-Boc|CS-0108894|1309666-78-1 https://www.jk-sci.com/products/ts246cs-0108924 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/251844.png?v=1791662522 Biotin-PEG4-acid, 97% | 721431-18-1 Biotin-PEG4-acid|CS-0108924|721431-18-1 https://www.jk-sci.com/products/ts246cs-0108930 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eacb9c7de9095e723bd28370946858f6.jpg?v=1791662512 Mal-PEG5-acid, 98% | 1286755-26-7 Mal-PEG5-acid|CS-0108930|1286755-26-7 https://www.jk-sci.com/products/s57c4x-20962 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c06e328879e8a8a07394fd00d864b9fb.jpg?v=1791710893 Benazepril Impurity B, 98.60% | 98626-50-7 Benazepril Impurity B|C4X-20962|98626-50-7 https://www.jk-sci.com/products/ts246cs-0109004 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423f3f0791f6e809f80e1b9220f7645f.jpg?v=1791662506 5-Bromo-8-chloroquinoline, 97% | 927800-41-7 5-Bromo-8-chloroquinoline|CS-0109004|927800-41-7 https://www.jk-sci.com/products/s57c4x-21003 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8c477c1af08144a4a0cce1146d15216.jpg?v=1791710877 Remdesivir Impurity 3, 99.70% | 1355357-49-1 Remdesivir Impurity 3|C4X-21003|1355357-49-1 https://www.jk-sci.com/products/s57c4x-21025 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e6032af37e5ddc88443035b0057fd57_4f0cc82d-55bf-4856-8e13-3466e10322c9.jpg?v=1791710867 Favipiravir Impurity 5, Purity: 100.0% | 356783-16-9 Favipiravir Impurity 5|C4X-21025|356783-16-9 https://www.jk-sci.com/products/ts246cs-0109064 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f82449893aea02e7227a4a6b4d27bef.jpg?v=1791662490 m-PEG6-2-methylacrylate, 97% | 90784-86-4 m-PEG6-2-methylacrylate|CS-0109064|90784-86-4 https://www.jk-sci.com/products/ts246cs-0109149 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ea6a0f0c23dcdac0db005b08c3790f8.jpg?v=1791662480 3-Chloro-5-(trifluoromethyl)benzenesulfonyl chloride, 97% | 875167-01-4 3-Chloro-5-(trifluoromethyl)benzenesulfonyl chloride|CS-0109149|875167-01-4 https://www.jk-sci.com/products/s57c4x-210510 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_25c9b5c5-7cb0-4e28-bbfe-a6c6e76b579d.png?v=1791710853 Estrone Impurity 10, 98.90% Estrone Impurity 10|C4X-210510 https://www.jk-sci.com/products/s57c4x-210611 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc7c5f72-144a-4d06-92a5-70131ee86961.png?v=1791710841 D-Cys5-Linaclotide, Purity: 96.0% D-Cys5-Linaclotide|C4X-210611 https://www.jk-sci.com/products/s57c4x-2108106 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e17151b-3d6c-4dbc-b430-b2ad1be66486.png?v=1791710829 Baloxavir Impurity 106, 99.10% Baloxavir Impurity 106|C4X-2108106 https://www.jk-sci.com/products/ts246cs-0109177 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6178b3ce822237fecc42a105178046c1.jpg?v=1791662474 Bromo-PEG6-bromide, 97% | 72713-23-6 Bromo-PEG6-bromide|CS-0109177|72713-23-6 https://www.jk-sci.com/products/s57c4x-210815 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64308adc-2e40-4faf-a63e-0fbdbaad85d1.png?v=1791710818 Baloxavir Impurity 15, 97.80% Baloxavir Impurity 15|C4X-210815 https://www.jk-sci.com/products/ts246cs-0109205 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44db8fa61f999bcc3949c426f1636dbf.jpg?v=1791662468 m-PEG9-Amine, 97% | 211859-73-3 m-PEG9-Amine|CS-0109205|211859-73-3 https://www.jk-sci.com/products/s57c4x-210829 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe6623b334f41688302d2be1d35a00ee.jpg?v=1791710802 Baloxavir Impurity 29, 99.70% | 1985607-83-7 Baloxavir Impurity 29|C4X-210829|1985607-83-7 https://www.jk-sci.com/products/s57c4x-210849 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f99c079f-152a-42d7-8d44-c66a9f8a8c3c.png?v=1791710791 Baloxavir Impurity 49, 97.80% Baloxavir Impurity 49|C4X-210849 https://www.jk-sci.com/products/s57c4x-210881 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bf57d75cb04687808521f2f33bb37e2.jpg?v=1791710776 Barloxavir impurity 81, 100.00% | 2814504-20-4 Barloxavir impurity 81|C4X-210881|2814504-20-4 https://www.jk-sci.com/products/ts246cs-0109292 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500441bb679e41f59d9ea2536461c36d.jpg?v=1791662456 2-Chloro-4-ethoxypyrimidine, 95% | 83774-09-8 2-Chloro-4-ethoxypyrimidine|CS-0109292|83774-09-8 https://www.jk-sci.com/products/ts246cs-0109319 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519870.png?v=1791662439 1-Aminobutan-2-ol, 98% | 13552-21-1 1-Aminobutan-2-ol|CS-0109319|13552-21-1 https://www.jk-sci.com/products/s57c4x-21161 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/907798cc0e46dc136c4ebe17da41f29a.jpg?v=1791710757 Treprostinil Impurity 1, 99.40% | 101692-02-8 Treprostinil Impurity 1|C4X-21161|101692-02-8 https://www.jk-sci.com/products/ts246cs-0109367 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d3f8503eb7ed48a172b908e670ad056.jpg?v=1791662427 Propargyl-PEG2-Boc, 95% | 1807503-80-5 Propargyl-PEG2-Boc|CS-0109367|1807503-80-5 https://www.jk-sci.com/products/ts246cs-0109443 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241560.png?v=1791662415 3,5-Dibromo-2-methylthiophene, 96% | 29421-73-6 3,5-Dibromo-2-methylthiophene|CS-0109443|29421-73-6 https://www.jk-sci.com/products/ts246cs-0109508 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb77468342a4d5d9190cc60edf647a20.jpg?v=1791662400 1,2-Difluoro-3-iodobenzene, 98.00%+ | 64248-57-3 1,2-Difluoro-3-iodobenzene|CS-0109508|64248-57-3 https://www.jk-sci.com/products/s57c4x-212015 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489226_db73826e-4049-4466-90de-704fe6d386a8.png?v=1791710737 Tritracine tetraacetic acid, Purity: 100.0% | 60239-18-1 Tritracine tetraacetic acid|C4X-212015|60239-18-1 https://www.jk-sci.com/products/s57c4x-212335 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3ac7508-7f92-45cf-bf6d-6d61ee363ff4.png?v=1791710726 Sivelestat sodium impurity 35, 60.10% | 99-77-5 Sivelestat sodium impurity 35|C4X-212335|99-77-5 https://www.jk-sci.com/products/ts246cs-0109580 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f187848a5ea379212d2ed49b7cef87.jpg?v=1791662380 tert-Butyl (4-chloro-3-fluoro-2-iodophenyl)carbamate, 98.44%+ | 1018450-35-5 tert-Butyl (4-chloro-3-fluoro-2-iodophenyl)carbamate|CS-0109580|1018450-35-5 https://www.jk-sci.com/products/ts246cs-0105523 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d24d659fa99a106c1e82687358c6516.jpg?v=1791663438 4-Formyl-2-methoxybenzonitrile, 97% | 21962-49-2 4-Formyl-2-methoxybenzonitrile|CS-0105523|21962-49-2 https://www.jk-sci.com/products/s57c4x-213417 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6cbb1094-c697-47bb-983d-5e73f48d6491.png?v=1791710711 N-Nitroso Tulobuterol, 99.60% N-Nitroso Tulobuterol|C4X-213417 https://www.jk-sci.com/products/s57c4x-2144 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2d0fd062ceb922e52121a10549a180.jpg?v=1791710699 Relebactam, 96.90% | 1174018-99-5 Relebactam|C4X-2144|1174018-99-5 https://www.jk-sci.com/products/s57c4x-21504 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142487_c5cda6e2-ffad-402f-bf1a-1dca079a0e68.png?v=1791710643 Tropicamide EP Impurity A, 99.80% Tropicamide EP Impurity A|C4X-21504 https://www.jk-sci.com/products/s57c4x-21466 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d7ccdd145aecd4210d2111fbca5588.jpg?v=1791710677 Hydantoin Impurity 6, 95.60% | 17773-41-0 Hydantoin Impurity 6|C4X-21466|17773-41-0 https://www.jk-sci.com/products/s57c4x-21499 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7880eb5d6138f01e3db626734b8af2.jpg?v=1791710653 Diquafosol Impurity 9, 90.20% | 19817-91-5 Diquafosol Impurity 9|C4X-21499|19817-91-5 https://www.jk-sci.com/products/ts246cs-0106666 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298bd612b9a50f1fece363493294ef5c.jpg?v=1791663067 Tris(triphenylphosphine)(trifluoromethyl)copper(I), 98% | 325810-07-9 Tris(triphenylphosphine)(trifluoromethyl)copper(I)|CS-0106666|325810-07-9 https://www.jk-sci.com/products/ts246cs-0107200 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342832.png?v=1791662980 3-Methoxy-1,2,4-thiadiazol-5-amine, 98% | 98022-43-6 3-Methoxy-1,2,4-thiadiazol-5-amine|CS-0107200|98022-43-6 https://www.jk-sci.com/products/s57c4x-214918 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126142_40184614-1a0c-4c00-891f-87230f830f8b.png?v=1791710662 Cytidine 5'-triphosphate disodium salt, 85.70% | 36051-68-0 Cytidine 5'-triphosphate disodium salt|C4X-214918|36051-68-0 https://www.jk-sci.com/products/s57c4x-21493 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06e8215477acb3229522266aee59404b.jpg?v=1791710657 Diquafosol Impurity 3, Purity: 99.0% | 221169-12-6 Diquafosol Impurity 3|C4X-21493|221169-12-6 https://www.jk-sci.com/products/ts246cs-0107665 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0e863b1b153f526c0bd9b82a00266b8.jpg?v=1791662860 Mal-amido-PEG4-acid, 95.00%+ | 1263045-16-4 Mal-amido-PEG4-acid|CS-0107665|1263045-16-4 https://www.jk-sci.com/products/ts246cs-0108019 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5566e9a8eb30e9db263913a5f0157fa4.jpg?v=1791662798 m-PEG4-MS, 95% | 130955-37-2 m-PEG4-MS|CS-0108019|130955-37-2 https://www.jk-sci.com/products/ts246cs-0108450 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622887.png?v=1791662689 (R)-1-[(S)-2-[Di(2-furyl)phosphino]ferrocenyl]ethyldi-otolylphosphine, 97% | 849924-73-8 (R)-1-[(S)-2-[Di(2-furyl)phosphino]ferrocenyl]ethyldi-otolylphosphine|CS-0108450|849924-73-8 https://www.jk-sci.com/products/s57c4x-21531 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499981_6735beb3-a07f-48f2-aabe-ec0106de31c4.png?v=1791710638 Nifuroxazide EP Impurity A, 99.60% | 5351-23-5 Nifuroxazide EP Impurity A|C4X-21531|5351-23-5 https://www.jk-sci.com/products/s57c4x-2157 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210132d38f4e53eabf33976c1c0f155d.jpg?v=1791710629 Insulin degludec, 94.50% | 844439-96-9 Insulin degludec|C4X-2157|844439-96-9 https://www.jk-sci.com/products/s57c4x-216320 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370014_3e96665b-401e-460d-9a79-6f1a6a8bbc24.png?v=1791710624 Tafluprost Impurity 20, Purity: 98.0% | 3446-89-7 Tafluprost Impurity 20|C4X-216320|3446-89-7 https://www.jk-sci.com/products/s57c4x-21711 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/372722_088c2423-4619-49a6-a222-9878ddc0f417.png?v=1791710615 L-alpha-Glycerophosphorylcholine, Purity: 100.0% | 28319-77-9 L-alpha-Glycerophosphorylcholine|C4X-21711|28319-77-9 https://www.jk-sci.com/products/s57c4x-2180 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d30a8d6bfb8a5432869a87261c3f44.jpg?v=1791710603 Fluralaner, 99.40% | 864731-61-3 Fluralaner|C4X-2180|864731-61-3 https://www.jk-sci.com/products/s57c4x-21717 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558804_5a284899-f8d4-443a-9df3-8d02ec4164dd.png?v=1791710609 Isopropyl Palmitate, 95.50% | 142-91-6 Isopropyl Palmitate|C4X-21717|142-91-6 https://www.jk-sci.com/products/ts246cs-0108636 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622850.png?v=1791662659 (RP,R′P)-1,1′-Bis(dicyclohexylphosphino)-2,2′-bis[(S)-α-(dimethylamino)benzyl]ferrocene, 96.50%+ | 849924-78-3 (RP,R′P)-1,1′-Bis(dicyclohexylphosphino)-2,2′-bis[(S)-α-(dimethylamino)benzyl]ferrocene|CS-0108636|849924-78-3 https://www.jk-sci.com/products/ts246cs-0108697 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38e172a824cad9446ec85d4c8a57b52c.jpg?v=1791662634 (2-Biphenyl)di-1-adamantylphosphine, 97.00%+ | 224311-55-1 (2-Biphenyl)di-1-adamantylphosphine|CS-0108697|224311-55-1 https://www.jk-sci.com/products/ts246cs-0108726 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315602.png?v=1791662624 1-Isopropyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine, 98% | 1073354-18-3 1-Isopropyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine|CS-0108726|1073354-18-3 https://www.jk-sci.com/products/s57c4x-218017 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23bcb46e-2e26-4508-8ae5-10720cb52cbd.png?v=1791710596 Fluralaner Impurity 17, 98.20% Fluralaner Impurity 17|C4X-218017 https://www.jk-sci.com/products/ts246cs-0108769 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a7246574718921c2302f179300ccb4.jpg?v=1791662591 2,4-Dibromo-5-hydroxybenzaldehyde, 98% | 3111-51-1 2,4-Dibromo-5-hydroxybenzaldehyde|CS-0108769|3111-51-1 https://www.jk-sci.com/products/s57c4x-218042 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c891d79a7e8b53d9a254e1c17986e3df.jpg?v=1791710588 2-Acetyl-6-methylbenzoic acid, 99.70% | 56661-76-8 2-Acetyl-6-methylbenzoic acid|C4X-218042|56661-76-8 https://www.jk-sci.com/products/s57c4x-21831 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef9c813931a8f729ab555eafe47f4faf.jpg?v=1791710582 Dydrogesterone EP Impurity C, 96.10% | 246038-13-1 Dydrogesterone EP Impurity C|C4X-21831|246038-13-1 https://www.jk-sci.com/products/s57c4x-2184 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a921427f1cc4c0e68d89020cf3e3f956.jpg?v=1791710575 Beraprost Sodium (Mixture of Diastereomers), 97.70% | 496807-11-5 Beraprost Sodium (Mixture of Diastereomers)|C4X-2184|496807-11-5 https://www.jk-sci.com/products/ts246cs-0108790 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1921218f9bd8bbbd6eab3e5a716d3cc.jpg?v=1791662567 Benzyl (E)-prop-1-en-1-ylcarbamate, 98% | 260967-14-4 Benzyl (E)-prop-1-en-1-ylcarbamate|CS-0108790|260967-14-4 https://www.jk-sci.com/products/ts246cs-0108806 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c1c6129319d967a4a6e2bf89ebda573.jpg?v=1791662556 (R)-Morpholin-2-ylmethanol, 97% | 156925-22-3 (R)-Morpholin-2-ylmethanol|CS-0108806|156925-22-3 https://www.jk-sci.com/products/s57c4x-218923 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f66c48b5e25d2e9718bc81bc047ee7dc.jpg?v=1791710566 Bempedoic Acid Impurity 23, 99.80% | 738607-02-8 Bempedoic Acid Impurity 23|C4X-218923|738607-02-8 https://www.jk-sci.com/products/ts246cs-0108818 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66dc5f24002a9f1c310eb3995c82e5ea.jpg?v=1791662543 (4-Bromo-5-methylthiophen-2-yl)boronic acid, 97% | 154566-69-5 (4-Bromo-5-methylthiophen-2-yl)boronic acid|CS-0108818|154566-69-5 https://www.jk-sci.com/products/s57c4x-21916 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e1e8d46f-83a0-4e0f-9eda-83e6d6ce91f4.png?v=1791710555 Pregnenolone Isobutyrate, 96.00% Pregnenolone Isobutyrate|C4X-21916 https://www.jk-sci.com/products/ts246cs-0108922 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08e5c664ff6dec19d80cd07499d49080.jpg?v=1791662522 Biotin-PEG2-azide, 97% | 1910803-72-3 Biotin-PEG2-azide|CS-0108922|1910803-72-3 https://www.jk-sci.com/products/ts246cs-0108947 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117546_c5f1aeb6-3892-428e-88e3-f549801863e3.png?v=1791662507 Propargyl-PEG2-OH, 95% | 7218-43-1 Propargyl-PEG2-OH|CS-0108947|7218-43-1 https://www.jk-sci.com/products/s57c4x-219616 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_914e3657-5bec-4f57-a70d-cf7e1b4c0d8c.png?v=1791710549 Morinidazole Impurity 16, 92.40% Morinidazole Impurity 16|C4X-219616 https://www.jk-sci.com/products/s57c4x-21967 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b0b4b7e7615ab48840116f354e2b23a.jpg?v=1791710545 R-Morinidazole, 80.40% | 898230-59-6 R-Morinidazole|C4X-21967|898230-59-6 https://www.jk-sci.com/products/ts246cs-0109111 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea3b206c72063ef9e00d91f108a7fbe5.jpg?v=1791662484 PEG8-Tos, 99.52%+ | 886469-23-4 PEG8-Tos|CS-0109111|886469-23-4 https://www.jk-sci.com/products/s57c4x-219921 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a92e1e40154b6661469e8c0639934b43.jpg?v=1791710535 Oxyberberine, Purity: 99.1% | 549-21-3 Oxyberberine|C4X-219921|549-21-3 https://www.jk-sci.com/products/ts246cs-0109183 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a18375fdc002d13892e17049ea54f55.jpg?v=1791662468 Bis-PEG4-PFP ester, 95% | 1314378-12-5 Bis-PEG4-PFP ester|CS-0109183|1314378-12-5 https://www.jk-sci.com/products/ts246cs-0109313 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41cdf0b6b3c5116a0f23740e042e66ea.jpg?v=1791662444 Bis((R)-4-(tert-butyl)-4,5-dihydrooxazol-2-yl)methane, 95% | 131833-91-5 Bis((R)-4-(tert-butyl)-4,5-dihydrooxazol-2-yl)methane|CS-0109313|131833-91-5 https://www.jk-sci.com/products/s57c4x-22012 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6730b936ce1c8852a1d7771846f38ca5.jpg?v=1791710529 Lumateperone Impurity 2, 93.20% | 1576240-15-7 Lumateperone Impurity 2|C4X-22012|1576240-15-7 https://www.jk-sci.com/products/ts246cs-0109371 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489a4774aa282e3740e7d5be7c9e3517.jpg?v=1791662427 Hydroxy-PEG2-CH2-Boc, 97.00%+ | 149299-82-1 Hydroxy-PEG2-CH2-Boc|CS-0109371|149299-82-1 https://www.jk-sci.com/products/ts246cs-0109526 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c0b6035f098c4337bb57658a7d50404.jpg?v=1791662394 4,4'-(1,2-Diphenyl-1,2-ethenediyl)bis[phenol], 95% | 68578-79-0 4,4'-(1,2-Diphenyl-1,2-ethenediyl)bis[phenol]|CS-0109526|68578-79-0 https://www.jk-sci.com/products/s57c4x-22021 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/401398_db0faae9-610f-4d12-b70f-06dd36147381.png?v=1791710523 Neticonazole Impurity 1, 99.50% | 2949-92-0 Neticonazole Impurity 1|C4X-22021|2949-92-0 https://www.jk-sci.com/products/ts246cs-0109632 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29375c6120ba817cdf793c7864884426.jpg?v=1791662359 (6-Chloropyridin-2-yl)boronic acid, 95% | 652148-90-8 (6-Chloropyridin-2-yl)boronic acid|CS-0109632|652148-90-8 https://www.jk-sci.com/products/s57c4x-220740 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aee51e0f082f37af79171b924b2e9833.jpg?v=1791710493 Vitamin K1 Impurity 40, Purity: 99.8% | 81800-41-1 Vitamin K1 Impurity 40|C4X-220740|81800-41-1 https://www.jk-sci.com/products/s57c4x-220730 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2c1140dc6b72e3194bb7742d14beb08.jpg?v=1791710499 Vitamin K1 Impurity 30, 98.80% | 15448-59-6 Vitamin K1 Impurity 30|C4X-220730|15448-59-6 https://www.jk-sci.com/products/s57c4x-221115 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ff00215165c5286b7ddbd0e38af674_55f8cd2a-e078-4672-a3f8-143414894a5c.jpg?v=1791710479 Lysine Impurity 15, 99.5% | 3184-13-2 Lysine Impurity 15|C4X-221115|3184-13-2 https://www.jk-sci.com/products/ts246cs-0109679 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21ab002bf495125a721acb9dac609886.jpg?v=1791662348 (2,5-Difluoropyridin-4-yl)boronic acid, 96% | 1263375-23-0 (2,5-Difluoropyridin-4-yl)boronic acid|CS-0109679|1263375-23-0 https://www.jk-sci.com/products/s57c4x-220761 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352764d802c0d9567f866d303e652f06.jpg?v=1791710484 Vitamin K1 Impurity 61, 98.60% | 121917-04-2 Vitamin K1 Impurity 61|C4X-220761|121917-04-2 https://www.jk-sci.com/products/s57c4x-221119 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370719_6d4d7729-756c-4edf-a312-ca7c9c76c2b7.png?v=1791710474 Lysine Impurity 19, 98.40% | 692-04-6 Lysine Impurity 19|C4X-221119|692-04-6 https://www.jk-sci.com/products/s57c4x-2212 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db465cfe165f713f15e9fab61ef872b.jpg?v=1791710465 Buserelin Acetate, 90.60% | 68630-75-1 Buserelin Acetate|C4X-2212|68630-75-1 https://www.jk-sci.com/products/s57c4x-22071 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791844_bc60f1e6-2da3-404a-9e98-124a03259f14.png?v=1791710514 2,3-Epoxide Vitamin K1 (Mixture of Diastereomers), 94.10% | 25486-55-9 2,3-Epoxide Vitamin K1 (Mixture of Diastereomers)|C4X-22071|25486-55-9 https://www.jk-sci.com/products/ts246cs-0109691 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65eeffb5379c765196dc019d6a1ad9e0.jpg?v=1791662348 N-(2-Amino-2-oxoethyl)acrylamide, 97% | 2479-62-1 N-(2-Amino-2-oxoethyl)acrylamide|CS-0109691|2479-62-1 https://www.jk-sci.com/products/ts246cs-0104071 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1da7eacac10365d59825889f438d4aab.jpg?v=1791663835 (2-Methylpyridin-4-yl)methanamine, 97.00%+ | 94413-70-4 (2-Methylpyridin-4-yl)methanamine|CS-0104071|94413-70-4 https://www.jk-sci.com/products/ts246cs-0106926 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18ffbe30a0deb5afd5bfd94d5dbc535f.jpg?v=1791663017 (1-(Morpholinomethyl)cyclopropyl)methanol, 95.00%+ | 1267956-65-9 (1-(Morpholinomethyl)cyclopropyl)methanol|CS-0106926|1267956-65-9 https://www.jk-sci.com/products/s57c4x-2213105 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66d639d4-a9e8-4488-b9c5-400c395795b7.png?v=1791710459 Roxadustat Impurity 105, 90.60% Roxadustat Impurity 105|C4X-2213105 https://www.jk-sci.com/products/ts246cs-0107917 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ace9d7fb19e45840c61e1cbcb747353.jpg?v=1791662833 N,N-Dibenzyl-2-fluorobutan-1-amine, 97% | 2387332-76-3 N,N-Dibenzyl-2-fluorobutan-1-amine|CS-0107917|2387332-76-3 https://www.jk-sci.com/products/s57c4x-221315 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c257c335-37fe-4dd8-8681-fecc60b28412.png?v=1791710445 Roxadustat Impurity 15, 91.90% Roxadustat Impurity 15|C4X-221315 https://www.jk-sci.com/products/s57c4x-221510 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_05bca814-ef43-4e6e-a35f-7433242d9a70.png?v=1791710408 Desmopressin Impurity 10, Purity: 99.9% Desmopressin Impurity 10|C4X-221510 https://www.jk-sci.com/products/s57c4x-221394 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5aef4a01-1d2d-48ef-8bf1-21d3b9c7c127.png?v=1791710412 Roxadustat Impurity 94, 95.10% Roxadustat Impurity 94|C4X-221394 https://www.jk-sci.com/products/s57c4x-221353 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d241b048-0242-4678-8929-9a67fae810e5.png?v=1791710418 Roxadustat Impurity 53, Purity: 99.9% Roxadustat Impurity 53|C4X-221353 https://www.jk-sci.com/products/s57c4x-221324 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_55765758-5fe8-483e-83ef-1c8f097f4dcc.png?v=1791710437 Roxadustat Impurity 24, Purity: 99.5% Roxadustat Impurity 24|C4X-221324 https://www.jk-sci.com/products/s57c4x-221336 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb7aa6636885c4e9e3d5825005c7adb1.jpg?v=1791710428 Roxadustat Impurity 36, 92.80% | 2599284-47-4 Roxadustat Impurity 36|C4X-221336|2599284-47-4 https://www.jk-sci.com/products/ts246cs-0108467 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0f0889c0eafe116e735b7449d1324a2.jpg?v=1791662684 5-((5-(Trifluoromethyl)pyridin-2-yl)oxy)thiazol-2-amine, 98% | 1328998-37-3 5-((5-(Trifluoromethyl)pyridin-2-yl)oxy)thiazol-2-amine|CS-0108467|1328998-37-3 https://www.jk-sci.com/products/ts246cs-0108703 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05a06bdd3fe2dca5c3dee4ea33028037.jpg?v=1791662633 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one, 97% | 1150271-44-5 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one|CS-0108703|1150271-44-5 https://www.jk-sci.com/products/s57c4x-221526 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_215ccc91-cc19-4ddc-9d13-61fdc953f531.png?v=1791710394 Desmopressin EP Impurity D, 98.70% Desmopressin EP Impurity D|C4X-221526 https://www.jk-sci.com/products/s57c4x-221522 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec3f9b5b-4d5e-47c8-a6ae-a7f747588ed4.png?v=1791710398 [Tyr2 (3-OH)] - Desmopressin, 94.10% [Tyr2 (3-OH)] - Desmopressin|C4X-221522 https://www.jk-sci.com/products/ts246cs-0108780 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e9a3e5235a448aebfcfb00b99a6e192.jpg?v=1791662573 3,5-Dibromo-4-chloropyridin-2-amine, 98% | 1242329-23-2 3,5-Dibromo-4-chloropyridin-2-amine|CS-0108780|1242329-23-2 https://www.jk-sci.com/products/ts246cs-0108813 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c787b10f9615f18bff1dc8e27a838e1b.jpg?v=1791662549 6-Bromo-3-iodo-1H-pyrazolo[4,3-b]pyridine, 98.28%+ | 1305208-17-6 6-Bromo-3-iodo-1H-pyrazolo[4,3-b]pyridine|CS-0108813|1305208-17-6 https://www.jk-sci.com/products/s57c4x-221538 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_447e3fd9-b5ea-4da4-9ae4-d6e8297e4a12.png?v=1791710390 Desmopressin Impurity 38, Purity: 99.8% Desmopressin Impurity 38|C4X-221538 https://www.jk-sci.com/products/s57c4x-221725 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103242.png?v=1791710375 Phloroglucinol Impurity 25, Purity: 99.9% | 108-36-1 Phloroglucinol Impurity 25|C4X-221725|108-36-1 https://www.jk-sci.com/products/s57c4x-221717 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433485.png?v=1791710375 Phloroglucinol Impurity 17, 91.30% | 533-73-3 Phloroglucinol Impurity 17|C4X-221717|533-73-3 https://www.jk-sci.com/products/s57c4x-221712 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/221280.png?v=1791710380 Phloroglucinol Impurity 12, 94.00% | 137-19-9 Phloroglucinol Impurity 12|C4X-221712|137-19-9 https://www.jk-sci.com/products/ts246cs-0108925 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b7e261fef41e9cce341029b7990500d.jpg?v=1791662517 7-Fluoropyrrolo[1,2-a]quinoxalin-4(5H)-one, 99.23%+ | 136773-67-6 7-Fluoropyrrolo[1,2-a]quinoxalin-4(5H)-one|CS-0108925|136773-67-6 https://www.jk-sci.com/products/s57c4x-221757 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98808ca9cc362c908c00a2cf0d38dae4.jpg?v=1791710359 Phloroglucinol Impurity57, 95.50% | 738614-23-8 Phloroglucinol Impurity57|C4X-221757|738614-23-8 https://www.jk-sci.com/products/s57c4x-221731 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274099_a6c6274e-9b12-49b8-923c-4f53f611ae7b.png?v=1791710366 Phloroglucinol Impurity 31, Purity: 99.0% | 151-10-0 Phloroglucinol Impurity 31|C4X-221731|151-10-0 https://www.jk-sci.com/products/s57c4x-221729 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149044_a1f0295e-d385-4c82-9ea1-9aa76eb5ad4e.png?v=1791710369 Phloroglucinol Impurity 29, 96.90% | 2174-64-3 Phloroglucinol Impurity 29|C4X-221729|2174-64-3 https://www.jk-sci.com/products/ts246cs-0109158 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b3385250de6b0cd12254229bb612253.jpg?v=1791662474 (S,R,S)-AHPC-C4-COOH, 95.00%+ | 2172819-74-6 (S,R,S)-AHPC-C4-COOH|CS-0109158|2172819-74-6 https://www.jk-sci.com/products/ts246cs-0109322 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e373b7287609c7970ecb11442159fa2f.jpg?v=1791662433 O-Benzyl-D-serine hydrochloride, 98.46%+ | 1233494-98-8 O-Benzyl-D-serine hydrochloride|CS-0109322|1233494-98-8 https://www.jk-sci.com/products/s57c4x-221737 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_efbf3e85-0aee-4e40-a8e7-9fb44cbb206f.png?v=1791710363 Phloroglucinol Impurity 37, Purity: 95.8% Phloroglucinol Impurity 37|C4X-221737 https://www.jk-sci.com/products/ts246cs-0109616 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394375.png?v=1791662369 1-Cyclohexylethan-1-ol, 98% | 1193-81-3 1-Cyclohexylethan-1-ol|CS-0109616|1193-81-3 https://www.jk-sci.com/products/ts246cs-0109686 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe15bcb23600763f2ee108911a7b13f7.jpg?v=1791662348 Mal-PEG3-Boc, 97% | 518044-35-4 Mal-PEG3-Boc|CS-0109686|518044-35-4 https://www.jk-sci.com/products/ts246cs-0109770 2026-10-11T23:57:35-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6756f0e48101d57fc10c0c27b6c13e12.jpg?v=1791662329 N-(3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)propyl)-N-methylbenzenesulfonimidamide, 95% | 2378147-02-3 N-(3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)propyl)-N-methylbenzenesulfonimidamide|CS-0109770|2378147-02-3