https://www.jk-sci.com/products/s57c1907788 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1381869135a37c97c04e7864f9595964.jpg?v=1791728383 1-Cyanotetraline, 94.90% | 56536-96-0 1-Cyanotetraline|C1907788|56536-96-0 https://www.jk-sci.com/products/s57c1911444 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/742f9bbc2115be57b0b7bde499bcf27f.jpg?v=1791728344 Voriconazole Impurity N1, 98.70% | 929249-84-3 Voriconazole Impurity N1|C1911444|929249-84-3 https://www.jk-sci.com/products/s57c3d-4028 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9369ada63b0c414ba2b48576d5f9e6ee.jpg?v=1791727276 Nitrosobis(2-chloroethyl)amine, 97.30% | 67856-68-2 Nitrosobis(2-chloroethyl)amine|C3D-4028|67856-68-2 https://www.jk-sci.com/products/s57c3d-4589 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58dc6e3b7f37039e1997d11c930bfa3e.jpg?v=1791727134 Furyl Hydroxymethyl Ketone, Purity: 99.6% | 17678-19-2 Furyl Hydroxymethyl Ketone|C3D-4589|17678-19-2 https://www.jk-sci.com/products/s57c3d-6070 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515403_268bf8f0-516f-4e1b-bede-feff72a5f100.png?v=1791726690 Butyl 4-nitrobenzoate, 99.00% | 120-48-9 Butyl 4-nitrobenzoate|C3D-6070|120-48-9 https://www.jk-sci.com/products/s57c4x-101635 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6fe61e914f7c3af3d4c58fa7352211e.jpg?v=1791726243 Enzalutamide Impurity 35, 92.80% | 888072-96-6 Enzalutamide Impurity 35|C4X-101635|888072-96-6 https://www.jk-sci.com/products/s57c4x-105781 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_51ec5d6d-4f5b-460b-baaf-9854acd0bc04.png?v=1791725140 Valsartan Impurity 81, 96.20% Valsartan Impurity 81|C4X-105781 https://www.jk-sci.com/products/s57c4x-2494145 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343433_d8dd6e0d-bdb7-4445-8116-420b4acf6361.png?v=1791709037 Dotinurad Impurity 145, 98.80% | 2596-93-2 Dotinurad Impurity 145|C4X-2494145|2596-93-2 https://www.jk-sci.com/products/s57c4x-108286 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a44ae61a-c762-478a-887f-8a91ec031fbb.png?v=1791724091 Ibuprofen Impurity 86, Purity: 96.0% Ibuprofen Impurity 86|C4X-108286 https://www.jk-sci.com/products/s57c4x-1088119 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b021d38297f3292fe86164c5187a77.jpg?v=1791723840 Apixaban Impurity 119, Purity: 95.0% | 881386-12-5 Apixaban Impurity 119|C4X-1088119|881386-12-5 https://www.jk-sci.com/products/s57c4x-11869 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627133_4e0d1c4c-2ae3-4551-874f-de69fd42c2d4.png?v=1791720942 Repaglinide EP Impurity B, 99.90% | 99469-99-5 Repaglinide EP Impurity B|C4X-11869|99469-99-5 https://www.jk-sci.com/products/s57c4x-12465 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d76d2f904d65ba363d52709361006399.jpg?v=1791719957 Ambrisentan Impurity 5, 99.70% | 178306-51-9 Ambrisentan Impurity 5|C4X-12465|178306-51-9 https://www.jk-sci.com/products/s57c4x-1354 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b905f4c93bcc937bd3a369ea238903bb_e7b38066-f98e-46c8-96c0-ec0530b324b3.jpg?v=1791718839 Pomalidomide, 99.70% | 19171-19-8 Pomalidomide|C4X-1354|19171-19-8 https://www.jk-sci.com/products/s57c1065697 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e88116a7414d653a0882e6ecb5bceb2.jpg?v=1791730272 (S)-Fluralaner, Purity: 98.2% | 1122022-02-9 (S)-Fluralaner|C1065697|1122022-02-9 https://www.jk-sci.com/products/s57c4x-249420 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4073e733-3070-4734-b9fa-4c2a4fc64278.png?v=1791709030 Dotinurad Impurity 20, 97.70% Dotinurad Impurity 20|C4X-249420 https://www.jk-sci.com/products/s57c1260164 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b5cafe0b803f7b883544eff5d0161e0.jpg?v=1791730010 Iobitridol, 98.00% | 136949-58-1 Iobitridol|C1260164|136949-58-1 https://www.jk-sci.com/products/s57c1324206 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130153a19428f429ecd7701083ece55a_64a99ae6-0f2c-40c9-a38c-640dfe7fa6bd.jpg?v=1791729873 Methyl 2-ethoxy-1H-benzo[d]imidazole-7-carboxylate, 99.60% | 150058-27-8 Methyl 2-ethoxy-1H-benzo[d]imidazole-7-carboxylate|C1324206|150058-27-8 https://www.jk-sci.com/products/s57c1361450 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484981.png?v=1791729765 2-Chloro-5-nitrobenzonitrile, 97.40% | 16588-02-6 2-Chloro-5-nitrobenzonitrile|C1361450|16588-02-6 https://www.jk-sci.com/products/s57c1424238 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455552.png?v=1791729693 Ethyl nonadecanoate, Purity: 99.4% | 18281-04-4 Ethyl nonadecanoate|C1424238|18281-04-4 https://www.jk-sci.com/products/s57c1560352 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12f54b80dade8942fa7258d83eaeae9e_c7f98a20-41c6-4056-9ea6-8f220bc9880a.jpg?v=1791729440 2-((4-Fluorophenyl)amino)-2-oxoacetic acid, Purity: 100.0% | 69066-43-9 2-((4-Fluorophenyl)amino)-2-oxoacetic acid|C1560352|69066-43-9 https://www.jk-sci.com/products/s57c1581187 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229519_077fb890-5f41-41be-bc46-0907d9e4cfd8.png?v=1791729412 2-(4-Nitrophenyl)ethanamine, 92.60% | 24954-67-4 2-(4-Nitrophenyl)ethanamine|C1581187|24954-67-4 https://www.jk-sci.com/products/s57c1830099 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6865c30021c6fa80b6e175823a42ebc.jpg?v=1791728654 Lurbinectedin, 98.60% | 497871-47-3 Lurbinectedin|C1830099|497871-47-3 https://www.jk-sci.com/products/s57c4x-249428 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_97df44d5-4b43-43ac-af45-38eca565600e.png?v=1791709021 Dotinurad Impurity 28, 94.60% Dotinurad Impurity 28|C4X-249428 https://www.jk-sci.com/products/s57c1916493 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100511_2852e100-ee74-4938-89c8-6962b65c2a31.png?v=1791728295 1-(Benzyloxy)-2-bromobenzene, Purity: 99.7% | 31575-75-4 1-(Benzyloxy)-2-bromobenzene|C1916493|31575-75-4 https://www.jk-sci.com/products/s57c3d-4040 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248354.png?v=1791727271 1,1＇-Carbonyldiimidazole, 94.00% | 530-62-1 1,1＇-Carbonyldiimidazole|C3D-4040|530-62-1 https://www.jk-sci.com/products/s57c4x-1001 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359681_64de7f01-3b24-4519-a3bf-73b490280a4b.png?v=1791726622 Erythromycin, 94.70% | 114-07-8 Erythromycin|C4X-1001|114-07-8 https://www.jk-sci.com/products/s57c4x-101735 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cca694d4-2f34-4885-b6ab-82760544f65b.png?v=1791726205 Vardenafil Impurity 35, 98.10% Vardenafil Impurity 35|C4X-101735 https://www.jk-sci.com/products/s57c4x-106325 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466982207fed979320f4f6937dc0a4aa.jpg?v=1791724990 Edoxaban Impurity 25, 94.30% | 2605225-75-8 Edoxaban Impurity 25|C4X-106325|2605225-75-8 https://www.jk-sci.com/products/s57c4x-106512 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_edd2b35f-ae60-4a15-a4f9-617264d92359.png?v=1791724896 Empagliflozin Impurity 12, 96.40% Empagliflozin Impurity 12|C4X-106512 https://www.jk-sci.com/products/s57c4x-112823 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206623_1d82f384-037c-4a71-b31d-1e762cd8ae44.png?v=1791722445 Sildenafil Impurity 23, 97.90% | 200575-15-1 Sildenafil Impurity 23|C4X-112823|200575-15-1 https://www.jk-sci.com/products/s57c4x-126739 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43df9156-434c-44d6-bf7a-0fd98770450b.png?v=1791719705 Ixazomib Impurity 39, Purity: 98.1% Ixazomib Impurity 39|C4X-126739 https://www.jk-sci.com/products/s57c4x-13084 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e00876be2a54aa5d708b8fc4b880fe02.jpg?v=1791719497 Levosimendan Impurity 4, Purity: 99.7% | 42075-29-6 Levosimendan Impurity 4|C4X-13084|42075-29-6 https://www.jk-sci.com/products/s57c4x-132416 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0879b688d2b12f70b32b742c5c82aebb.jpg?v=1791719350 Mesalazine EP Impurity P, 94.80% | 887256-40-8 Mesalazine EP Impurity P|C4X-132416|887256-40-8 https://www.jk-sci.com/products/s57c4x-249431 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19381d67-eab9-4221-abf5-2ae3f28cfbbc.png?v=1791709016 Dotinurad Impurity 31, 94.70% Dotinurad Impurity 31|C4X-249431 https://www.jk-sci.com/products/s57c4x-137848 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0ac19c639fd3fd9d9720e20c601a86c.jpg?v=1791718412 Daptomycin-d5, Purity>95% | 1356579-56-0 Daptomycin-d5|C4X-137848|1356579-56-0 https://www.jk-sci.com/products/s57c4x-16792 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad1ee26d2d6ad78ec45b826e03a33dd4_3eb9ea1f-07f8-4eef-b108-37f35d3e5c02.jpg?v=1791714993 Lidocaine EP Impurity B, 90.10% | 2903-45-9 Lidocaine EP Impurity B|C4X-16792|2903-45-9 https://www.jk-sci.com/products/s57c1010916 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270814_afa61c6a-1bd9-49ed-8a96-0c47405bcbe2.png?v=1791730377 (S)-1-N-tert-butoxycarbonyl-3-hydroxypyrrolidine, Purity: 100.0% | 101469-92-5 (S)-1-N-tert-butoxycarbonyl-3-hydroxypyrrolidine|C1010916|101469-92-5 https://www.jk-sci.com/products/s57c4x-24944 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4c60c8e72c53272c97827525f160e10.jpg?v=1791709012 Dotinurad Impurity 4, 94.90% | 1285573-47-8 Dotinurad Impurity 4|C4X-24944|1285573-47-8 https://www.jk-sci.com/products/s57c4x-249445 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37ec5b97-d7e0-4898-978a-6bd991a258a9.png?v=1791709007 Dotinurad Impurity 45, 99.30% Dotinurad Impurity 45|C4X-249445 https://www.jk-sci.com/products/s57c4x-249455 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279329_86908f75-29b2-4728-b9f2-dba23390617c.png?v=1791708997 Dotinurad Impurity 55, 93.30% | 1945-78-4 Dotinurad Impurity 55|C4X-249455|1945-78-4 https://www.jk-sci.com/products/s57c1021410 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e169d487f450c87f3f76bd88880a149a.jpg?v=1791730366 6-((6-(1-Methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)quinoline, 99.40% | 1022150-57-7 6-((6-(1-Methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)quinoline|C1021410|1022150-57-7 https://www.jk-sci.com/products/s57c1101720 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371864.png?v=1791730232 1,1,3,3-Tetraethylurea, 99.50% | 1187-03-7 1,1,3,3-Tetraethylurea|C1101720|1187-03-7 https://www.jk-sci.com/products/s57c1214914 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35e7ace175a9c1f7052414b1dc45e6b5.jpg?v=1791730065 2-Amino-2-(pyridin-3-yl)acetonitrile, 73.70% | 131988-63-1 2-Amino-2-(pyridin-3-yl)acetonitrile|C1214914|131988-63-1 https://www.jk-sci.com/products/s57c4x-249461 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d069e52237cd9405056d0ebbc2d03a8.jpg?v=1791708988 Dotinurad Impurity 61, 99.20% | 428458-98-4 Dotinurad Impurity 61|C4X-249461|428458-98-4 https://www.jk-sci.com/products/s57c4x-249467 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18c5e37e15bafa347e11d8b1057aa2c5.jpg?v=1791708983 Dotinurad Impurity 67, 99.10% | 39884-80-5 Dotinurad Impurity 67|C4X-249467|39884-80-5 https://www.jk-sci.com/products/s57c1262714 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6d567b8f48ca4296c4e2ab49b0e5ae1.jpg?v=1791729998 4-[6-(7-Cyclopentyl-6-dimethylcarbamoyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester, Purity: 99.8% | 1374639-78-7 4-[6-(7-Cyclopentyl-6-dimethylcarbamoyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester|C1262714|1374639-78-7 https://www.jk-sci.com/products/s57c1336420 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7227d6b9d4006031d0c4fb7577fa077.jpg?v=1791729847 (2S,5S)-5-Hydroxypiperidine-2-carboxylic acid hydrochloride, 99.50% | 154307-84-3 (2S,5S)-5-Hydroxypiperidine-2-carboxylic acid hydrochloride|C1336420|154307-84-3 https://www.jk-sci.com/products/s57c1357970 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/993451e3f7477384ee67905498b469af.jpg?v=1791729774 2-(1-Methanesulfonylazetidin-3-ylidene)acetonitrile, 98.30% | 1638759-68-8 2-(1-Methanesulfonylazetidin-3-ylidene)acetonitrile|C1357970|1638759-68-8 https://www.jk-sci.com/products/s57c1433892 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4384bfeb61f69494c03ce0ab8bfca2cf.jpg?v=1791729671 3-(Carboxymethoxy)benzoic acid, 91.20% | 1878-61-1 3-(Carboxymethoxy)benzoic acid|C1433892|1878-61-1 https://www.jk-sci.com/products/s57c1519447 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8b5b4c96131b4e85ccee9ee80985e5c.jpg?v=1791729521 1-[4-(1-Methylethenyl)phenyl]ethanone, 98.20% | 5359-04-6 1-[4-(1-Methylethenyl)phenyl]ethanone|C1519447|5359-04-6 https://www.jk-sci.com/products/s57c4x-24963 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c8112e53e69f19b7ed8bb19a943a8f4.jpg?v=1791708969 Desogestrel EP Impurity C/Desogestrel USP RC D, Purity: 99.5% | 54024-21-4 Desogestrel EP Impurity C/Desogestrel USP RC D|C4X-24963|54024-21-4 https://www.jk-sci.com/products/s57c1636867 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111171.png?v=1791729247 2-Nitrobenzenethiol, 85.60% | 4875-10-9 2-Nitrobenzenethiol|C1636867|4875-10-9 https://www.jk-sci.com/products/s57c1644782 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135877_015a7f73-4d98-4ab7-8eaf-ac479bf3d3bf.png?v=1791729242 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonylchloride, Purity: 98.9% | 4462-55-9 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonylchloride|C1644782|4462-55-9 https://www.jk-sci.com/products/s57c4x-250315 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104618_a53df834-9017-4093-a442-5856797192d5.png?v=1791708964 Indocyanine Green Impurity 15 (2,4-Dinitroaniline), 100.00% | 97-02-9 Indocyanine Green Impurity 15 (2,4-Dinitroaniline)|C4X-250315|97-02-9 https://www.jk-sci.com/products/s57c4x-250328 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_227916af-de34-470e-a19a-1a4b95b881ab.png?v=1791708953 Indocyanine Green Impurity 28, 91.20% | 906772-02-9 Indocyanine Green Impurity 28|C4X-250328|906772-02-9 https://www.jk-sci.com/products/s57c4x-250340 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6f3d3488a6217cfcd3d1a81715d0cd6.jpg?v=1791708953 Indocyanine Green Impurity 40, Purity: 99.9% | 2550577-41-6 Indocyanine Green Impurity 40|C4X-250340|2550577-41-6 https://www.jk-sci.com/products/s57c1881272 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef561381ab6bc1d9aba84ae7fa787205.jpg?v=1791728508 Neostigmine impurity 01, 98.40% | 618-09-7 Neostigmine impurity 01|C1881272|618-09-7 https://www.jk-sci.com/products/s57c4x-2508 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9127c2bc2aeccf2661f318e534a1e818.jpg?v=1791708938 Maropitant Citrate Hydrate, 98.90% | 359875-09-5 Maropitant Citrate Hydrate|C4X-2508|359875-09-5 https://www.jk-sci.com/products/s57c3d-5857 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484564_e2676937-a0e7-4947-8116-cf43b6915883.png?v=1791726788 Nitrosobenzene, Purity: 100.0% | 586-96-9 Nitrosobenzene|C3D-5857|586-96-9 https://www.jk-sci.com/products/s57c4x-250343 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_970079c6-4327-4197-97bf-465140e4c1d7.png?v=1791708948 Indocyanine Green Impurity 43, 70.70% Indocyanine Green Impurity 43|C4X-250343 https://www.jk-sci.com/products/s57c4x-25047 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202ec37015d69e22b935a990a0448c89.jpg?v=1791708943 Triclosan Impurity 7, 95.20% | 134479-47-3 Triclosan Impurity 7|C4X-25047|134479-47-3 https://www.jk-sci.com/products/s57c4x-25071 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21eea1a79f489f14bf2fad72b5cdf067.jpg?v=1791708938 Salcaprozate Impurity 1, Purity: 97.1% | 1027911-46-1 Salcaprozate Impurity 1|C4X-25071|1027911-46-1 https://www.jk-sci.com/products/s57c4x-25038 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d658e5b9a82127ae995083fbc50dcd4.jpg?v=1791708943 Indocyanine Green Impurity 8, 93.20% | 63450-66-8 Indocyanine Green Impurity 8|C4X-25038|63450-66-8 https://www.jk-sci.com/products/s57c3d-5988 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369741_105a2836-a4d0-42b4-8569-30b8276b598a.png?v=1791726736 Flavin Adenine Dinucleotide Disodium Salt ·xHydrate, 85.10% | 84366-81-4 Flavin Adenine Dinucleotide Disodium Salt ·xHydrate|C3D-5988|84366-81-4 https://www.jk-sci.com/products/s57c4x-25102 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c92b71a3959862913169f3e877473630.jpg?v=1791708933 Carbodenafil Impurity 2, 94.80% | 2711006-62-9 Carbodenafil Impurity 2|C4X-25102|2711006-62-9 https://www.jk-sci.com/products/s57c4x-25171 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607332_6f8693e1-9aaa-4d22-a8c9-7281988fdfec.png?v=1791708928 2-Thenaldehyde, 94.10% | 98-03-3 2-Thenaldehyde|C4X-25171|98-03-3 https://www.jk-sci.com/products/s57c4x-25196 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56e333ed8ef89d788fe0ddee97b7c0f4.jpg?v=1791708923 Ensitrelvir Impurity 6, 99.50% | 2771355-73-6 Ensitrelvir Impurity 6|C4X-25196|2771355-73-6 https://www.jk-sci.com/products/s57c4x-25201 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d65d962-684c-49ae-909a-1c53fdda990f.png?v=1791708916 Pitolisant Impurity 1, 95.60% Pitolisant Impurity 1|C4X-25201 https://www.jk-sci.com/products/s57c4x-25192 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21780150dcc92342584d43b27e8c3084.jpg?v=1791708924 Ensitrelvir, 99.70% | 2647530-73-0 Ensitrelvir|C4X-25192|2647530-73-0 https://www.jk-sci.com/products/s57c4x-10182 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cea6b9e6ebdb4cb1441620449418524.jpg?v=1791726182 Choline fenofiBrate impurity C, 99.80% | 217636-47-0 Choline fenofiBrate impurity C|C4X-10182|217636-47-0 https://www.jk-sci.com/products/s57c4x-107217 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9e417f00012e2843eb7672fca985456.jpg?v=1791724594 Bortezomib Impurity 17, 95.30% | 1194235-41-0 Bortezomib Impurity 17|C4X-107217|1194235-41-0 https://www.jk-sci.com/products/s57c4x-10828 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/baffa15d3714963fadf09b4c55a92eca.jpg?v=1791724098 Ibuprofen EP Impurity H, 91.20% | 2143535-25-3 Ibuprofen EP Impurity H|C4X-10828|2143535-25-3 https://www.jk-sci.com/products/s57c4x-252011 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f30a4db5-7e1a-46c7-93ff-d71ab098fc18.png?v=1791708932 Pitolisant impurity 11, 93.10% Pitolisant impurity 11|C4X-252011 https://www.jk-sci.com/products/s57c4x-108413 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c106e6d416716891a593b1d24f7f16fb.jpg?v=1791724014 Roflumilast Impurity 13, 99.20% | 53173-70-9 Roflumilast Impurity 13|C4X-108413|53173-70-9 https://www.jk-sci.com/products/s57c4x-252013 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3b1f4506743befb144591a0e96e9b1a.jpg?v=1791708912 Pitolisant impurity 13, 87.40% | 78358-09-5 Pitolisant impurity 13|C4X-252013|78358-09-5 https://www.jk-sci.com/products/s57c4x-252016 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/018bb8a8243d8abf940b7d952293abcc.jpg?v=1791708907 Pitolisant impurity 16, 95.00% | 31951-46-9 Pitolisant impurity 16|C4X-252016|31951-46-9 https://www.jk-sci.com/products/s57c4x-252021 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5abe0780-fa08-4a15-a944-a7b060b01bc2.png?v=1791708902 Pitolisant impurity 21, 96.70% Pitolisant impurity 21|C4X-252021 https://www.jk-sci.com/products/s57c4x-252019 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0732b8d-e91b-49ce-ace6-1bb9263279d9.png?v=1791708905 Pitolisant impurity 19, 97.70% Pitolisant impurity 19|C4X-252019 https://www.jk-sci.com/products/s57c4x-108771 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a9fc0fa3-c862-4901-aca5-7340fa075e58.png?v=1791723853 Tadalafil Impurity 71, Purity: 95.2% Tadalafil Impurity 71|C4X-108771 https://www.jk-sci.com/products/s57c4x-12111 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224133.png?v=1791720544 Paracetamol EP Impurity B, 99.10% | 1693-37-4 Paracetamol EP Impurity B|C4X-12111|1693-37-4 https://www.jk-sci.com/products/s57c4x-124813 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/390d876e375e2ae078749626cf410d72.jpg?v=1791719917 Valaciclovir EP Impurity M, 90.60% | 847670-62-6 Valaciclovir EP Impurity M|C4X-124813|847670-62-6 https://www.jk-sci.com/products/s57c4x-130847 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ffed741-7a34-4158-be99-768afa50e97f.png?v=1791719483 Levosimendan Impurity 47, 94.20% Levosimendan Impurity 47|C4X-130847 https://www.jk-sci.com/products/s57c4x-133815 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ecf36aeec8904754aa11dd0ea7861ff.jpg?v=1791719136 Terbinafine EP Impurity B HCl, 94.10% | 176168-78-8 Terbinafine EP Impurity B HCl|C4X-133815|176168-78-8 https://www.jk-sci.com/products/s57c1142243 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1947aa78-da22-4afd-9258-05a493fb1882.png?v=1791730156 Seractide acetate Seractide acetate|C1142243 https://www.jk-sci.com/products/s57c1182812 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cca1e0ed1624b4b9f7509c1f421ddaa.jpg?v=1791730116 Axitinib-13C-d3, Purity>95% | 1261432-00-1 Axitinib-13C-d3|C1182812|1261432-00-1 https://www.jk-sci.com/products/s57c1262711 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83ba0e2f5ace1f74c301f64f22e99dc0.jpg?v=1791729999 Ribociclib succinate, 99.90% | 1374639-75-4 Ribociclib succinate|C1262711|1374639-75-4 https://www.jk-sci.com/products/s57c1469789 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e13aae5e0fab1fb24f3e4c7f618434.jpg?v=1791729609 (2S,3S)-2-Hydroxy-3-methylpentanoic Acid | 51576-04-6 (2S,3S)-2-Hydroxy-3-methylpentanoic Acid|C1469789|51576-04-6 https://www.jk-sci.com/products/s57c1730247 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975263cb30b70303ad577bd9410156a1.jpg?v=1791729053 4-methylthiophen-3-amine, Purity: 96.3% | 23967-97-7 4-methylthiophen-3-amine|C1730247|23967-97-7 https://www.jk-sci.com/products/s57c1779416 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471024c33833782e98cd28df2d4f187c.jpg?v=1791728977 7-Chloro-1,3-dihydro-5-(2-fluorophenyl)-2-nitromethyl-ene-2H-1,4-benzodiazepine, 98.80% | 59467-63-9 7-Chloro-1,3-dihydro-5-(2-fluorophenyl)-2-nitromethyl-ene-2H-1,4-benzodiazepine|C1779416|59467-63-9 https://www.jk-sci.com/products/s57c1797224 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/889d934e1d48e0ea220552ca8f31de92_24a833c7-00d6-46c3-bf7c-61256ab5a91f.jpg?v=1791728865 Cetirizine EP Impurity G, Purity: 100.0% | 728948-88-7 Cetirizine EP Impurity G|C1797224|728948-88-7 https://www.jk-sci.com/products/s57c1803427 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a3808198079f6bd418c30dece7a71c.jpg?v=1791728810 Diflorasone 21-Propionate, 97.10% | 541502-98-1 Diflorasone 21-Propionate|C1803427|541502-98-1 https://www.jk-sci.com/products/s57c1884538 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02ea2f5b42704359380baa87fa390743.jpg?v=1791728496 N-Nitroso Cimetidine 1, 90.90% | 73785-40-7 N-Nitroso Cimetidine 1|C1884538|73785-40-7 https://www.jk-sci.com/products/s57c3d-2193 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/633663.png?v=1791728011 sec-butyl 4-methylbenzenesulfonate, 90.20% | 715-11-7 sec-butyl 4-methylbenzenesulfonate|C3D-2193|715-11-7 https://www.jk-sci.com/products/s57c3d-3368 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452792.png?v=1791727458 N-Benzoyl-L-alanine, 99.60% | 2198-64-3 N-Benzoyl-L-alanine|C3D-3368|2198-64-3 https://www.jk-sci.com/products/s57c4x-102015 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/569533.png?v=1791726120 Vonoprazan Fumarate Impurity 15, Purity: 100.0% | 636-73-7 Vonoprazan Fumarate Impurity 15|C4X-102015|636-73-7 https://www.jk-sci.com/products/s57c4x-102017 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c48af64376c16ae017a7104634e4790.jpg?v=1791726104 Vonoprazan Fumarate Impurity 17, 99.70% | 1883595-38-7 Vonoprazan Fumarate Impurity 17|C4X-102017|1883595-38-7 https://www.jk-sci.com/products/s57c4x-105619 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e101f2b-2ec5-421f-98a2-7b79cfc96396.png?v=1791725252 Vortioxetine Impurity 19, Purity: 99.5% Vortioxetine Impurity 19|C4X-105619 https://www.jk-sci.com/products/s57c4x-108280 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496935.png?v=1791724098 Ibuprofen Impurity 80, 92.70% | 3585-47-5 Ibuprofen Impurity 80|C4X-108280|3585-47-5 https://www.jk-sci.com/products/s57c4x-108445 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f3df377-d690-4535-a9ef-0af0c244ffee.png?v=1791723984 Roflumilast Impurity 45, 97.70% Roflumilast Impurity 45|C4X-108445 https://www.jk-sci.com/products/s57c4x-10854 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1211ed78329f731f9f7a1e42c8740c3.jpg?v=1791723943 Ambroxol EP Impurity D HCl, 99.20% | 1384955-66-1 Ambroxol EP Impurity D HCl|C4X-10854|1384955-66-1 https://www.jk-sci.com/products/s57c4x-116956 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3663094a2f048f54a616702aa29fec58.jpg?v=1791721154 Rosuvastatin EP Impurity L Calcium Salt (R-R Monomer), 95.20% | 1347797-73-2 Rosuvastatin EP Impurity L Calcium Salt (R-R Monomer)|C4X-116956|1347797-73-2 https://www.jk-sci.com/products/s57c4x-11931 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141949_366903bc-b40f-432c-88e8-68efabb7125d.png?v=1791720859 Cefepime Impurity 1, 97.70% | 120-94-5 Cefepime Impurity 1|C4X-11931|120-94-5 https://www.jk-sci.com/products/s57c4x-1208156 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3be0f4ac-ea9b-4f5b-b683-320b47cb9b43.png?v=1791720655 Posaconazole Impurity 156, 99.90% Posaconazole Impurity 156|C4X-1208156 https://www.jk-sci.com/products/s57c4x-123652 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3857a04d-1627-40cd-903d-5e1dd141904b.png?v=1791720191 Isavuconazole Impurity 52, 94.60% Isavuconazole Impurity 52|C4X-123652 https://www.jk-sci.com/products/s57c4x-13676 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325641_c309437d-a78b-4420-b9ab-f9419f598234.png?v=1791718577 Metoprolol EP Impurity F, 99.40% | 7695-63-8 Metoprolol EP Impurity F|C4X-13676|7695-63-8 https://www.jk-sci.com/products/s57c4x-252026 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fcd56f96-01aa-443d-9089-add6cc449909.png?v=1791708897 Pitolisant impurity 26, Purity: 100.0% Pitolisant impurity 26|C4X-252026 https://www.jk-sci.com/products/s57c4x-15162 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fadb96821d14a92f9569ef164066a8f.jpg?v=1791716257 Tiopronin Impurity 2, 98.50% | 85038-45-5 Tiopronin Impurity 2|C4X-15162|85038-45-5 https://www.jk-sci.com/products/s57c1426696 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8de3ff23fdb333e7add206aa9dbb8744.jpg?v=1791729683 dihydromyrcenol, Purity: 100.0% | 18479-58-8 dihydromyrcenol|C1426696|18479-58-8 https://www.jk-sci.com/products/s57c1484288 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d2be264a34bf605c795cb114fea608c.jpg?v=1791729593 (6Z,9Z,12Z,15Z,18Z,21Z)-Tetracosahexaenoic Acid, 93.70% | 68378-49-4 (6Z,9Z,12Z,15Z,18Z,21Z)-Tetracosahexaenoic Acid|C1484288|68378-49-4 https://www.jk-sci.com/products/s57c1537287 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9f1ac2ff3a1a6e03bd0aa90ea37015e.jpg?v=1791729484 1,5-Dibromo-2,3-difluorobenzene, 95.20% | 811713-09-4 1,5-Dibromo-2,3-difluorobenzene|C1537287|811713-09-4 https://www.jk-sci.com/products/s57c1711658 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/923c9de496449fcf044ee8b81d71358a.jpg?v=1791729099 4-Amino-2-fluoro-N-methylbenzamide, Purity: 99.9% | 915087-25-1 4-Amino-2-fluoro-N-methylbenzamide|C1711658|915087-25-1 https://www.jk-sci.com/products/s57c1766131 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556243_37cc8080-3f9e-44c8-be20-c46967559540.png?v=1791728999 6-Amino Nicotinic Acid, 100.00% | 3167-49-5 6-Amino Nicotinic Acid|C1766131|3167-49-5 https://www.jk-sci.com/products/s57c1803211 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200202_7f85c329-408c-4dd5-930d-94eb4b03eb62.png?v=1791728814 Diethyl Allylmalonate, 97.90% | 2049-80-1 Diethyl Allylmalonate|C1803211|2049-80-1 https://www.jk-sci.com/products/s57c1826716 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133927.png?v=1791728697 Hydantoic Acid, Purity: 100.0% | 462-60-2 Hydantoic Acid|C1826716|462-60-2 https://www.jk-sci.com/products/s57c1838297 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312580.png?v=1791728612 Methyl 2-nitrobenzoate, 99.70% | 606-27-9 Methyl 2-nitrobenzoate|C1838297|606-27-9 https://www.jk-sci.com/products/s57c1854669 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231141.png?v=1791728570 N-(2,6-dimethylphenyl)piperidine-3-carboxamide, 94.10% | 337488-90-1 N-(2,6-dimethylphenyl)piperidine-3-carboxamide|C1854669|337488-90-1 https://www.jk-sci.com/products/s57c1894488 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/490616.png?v=1791728422 Suc-Ala-Ala-Pro-Phe-pNA | 70967-97-4 Suc-Ala-Ala-Pro-Phe-pNA|C1894488|70967-97-4 https://www.jk-sci.com/products/s57c1921201 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441808.png?v=1791728216 1,2-Ethanedithiol, 97.40% | 540-63-6 1,2-Ethanedithiol|C1921201|540-63-6 https://www.jk-sci.com/products/s57c4x-252029 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7743f829-6a0d-49d3-aae6-55a881155fc0.png?v=1791708896 Pitolisant impurity 29, 97.00% Pitolisant impurity 29|C4X-252029 https://www.jk-sci.com/products/s57c3d-3461 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200248_e49eca27-6bda-42bc-b2e7-6338823cb366.png?v=1791727423 1-Amino-4-methylpiperazine, 95.40% | 6928-85-4 1-Amino-4-methylpiperazine|C3D-3461|6928-85-4 https://www.jk-sci.com/products/s57c3d-5766 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599339.png?v=1791726832 Butafosfan, 97.30% | 17316-67-5 Butafosfan|C3D-5766|17316-67-5 https://www.jk-sci.com/products/s57c4x-10123 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/516639.png?v=1791726286 Baclofen EP Impurity C, 99.90% | 35271-74-0 Baclofen EP Impurity C|C4X-10123|35271-74-0 https://www.jk-sci.com/products/s57c4x-106235 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_61dc3c3d-1399-42ef-969a-a4d4e47cb9d1.png?v=1791725019 Edaravone impurity 35 (Mixture of Enantiomers), 91.20% Edaravone impurity 35 (Mixture of Enantiomers)|C4X-106235 https://www.jk-sci.com/products/s57c4x-1065105 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50739ddc1939476e9b7384a9a0f4a01e.jpg?v=1791724906 Empagliflozin Impurity 105, 98.90% | 915095-90-8 Empagliflozin Impurity 105|C4X-1065105|915095-90-8 https://www.jk-sci.com/products/s57c4x-252030 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7aa76595-45ef-4f68-a7af-fdf8b5ca87ce.png?v=1791708893 Pitolisant impurity 30, 99.10% Pitolisant impurity 30|C4X-252030 https://www.jk-sci.com/products/s57c4x-107460 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_403960d5-6fd7-4c47-9c65-c7ac3ba7ec96.png?v=1791724450 Moxifloxacin Impurity 60, 98.50% Moxifloxacin Impurity 60|C4X-107460 https://www.jk-sci.com/products/s57c4x-25206 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f647d319-d147-4319-9458-e9d836788371.png?v=1791708887 Pitolisant impurity 6, 94.50% Pitolisant impurity 6|C4X-25206 https://www.jk-sci.com/products/s57c4x-252039 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fd308619e35aaa286f92d823a0faea4.jpg?v=1791708888 Pitolisant impurity 39, 94.80% | 2858590-15-3 Pitolisant impurity 39|C4X-252039|2858590-15-3 https://www.jk-sci.com/products/s57c4x-25208 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e3e32125-56a1-49fb-8b0e-78dd3cda76c0.png?v=1791708877 Pitolisant impurity 8, 97.20% Pitolisant impurity 8|C4X-25208 https://www.jk-sci.com/products/s57c4x-1087101 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04a4bc314a2db6673d551251dd040bab.jpg?v=1791723914 Tadalafil Impurity 101, Purity: 95.4% | 20850-43-5 Tadalafil Impurity 101|C4X-1087101|20850-43-5 https://www.jk-sci.com/products/s57c1070805 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c3e263eb2e89e2384e8036f9d10a7eb.jpg?v=1791730262 Nintedanib Impurity N8, 99.20% | 1139458-48-2 Nintedanib Impurity N8|C1070805|1139458-48-2 https://www.jk-sci.com/products/s57c1204480 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536515_6ff5a6fc-0023-4859-b55e-0abb6881e9bf.png?v=1791730091 2-Chloro-4-methylpyrimidine, 98.60% | 13036-57-2 2-Chloro-4-methylpyrimidine|C1204480|13036-57-2 https://www.jk-sci.com/products/s57c4x-25321 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/802140.png?v=1791708858 Sorbitol Impurity 1, 99.30% | 25878-23-3 Sorbitol Impurity 1|C4X-25321|25878-23-3 https://www.jk-sci.com/products/s57c1284569 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386185_6bb9c885-6210-4892-b3c0-9d429df1587e.png?v=1791729960 (2R,3R,4S,5R,6R)-2-(Acetoxymethyl)-6-isothiocyanatotetrahydro-2H-pyran-3,4,5-triyl triacetate, 98.50% | 14152-97-7 (2R,3R,4S,5R,6R)-2-(Acetoxymethyl)-6-isothiocyanatotetrahydro-2H-pyran-3,4,5-triyl triacetate|C1284569|14152-97-7 https://www.jk-sci.com/products/s57c4x-25281 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519391_d1b66113-f31d-492c-9f4c-16d25d6a5c83.png?v=1791708869 Felbinac Impurity 1, 99.70% | 92-91-1 Felbinac Impurity 1|C4X-25281|92-91-1 https://www.jk-sci.com/products/s57c1310288 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6fc514cfaec0111a3115c1b51777d15.jpg?v=1791729910 Ropinirole EP Impurity C HCl, 82.10% | 145570-92-9 Ropinirole EP Impurity C HCl|C1310288|145570-92-9 https://www.jk-sci.com/products/s57c1618713 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adaa19b6247f970196741fc4593ec731_89bdc152-7db2-4b44-8122-f89348c3a87f.jpg?v=1791729288 2-Bromo-N-phenylaniline, Purity: 100.0% | 61613-22-7 2-Bromo-N-phenylaniline|C1618713|61613-22-7 https://www.jk-sci.com/products/s57c4x-253612 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549655.png?v=1791708853 D-Asparagine, 93.50% | 2058-58-4 D-Asparagine|C4X-253612|2058-58-4 https://www.jk-sci.com/products/s57c4x-253610 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f65943265eb364b2301e1866d905f0cd_a2c1ef0c-a945-4651-9de4-c35d32d1f8ba.jpg?v=1791708857 (S)-2-((S)-3-Amino-3-carboxypropanamido)succinic acid, 96.80% | 60079-22-3 (S)-2-((S)-3-Amino-3-carboxypropanamido)succinic acid|C4X-253610|60079-22-3 https://www.jk-sci.com/products/s57c4x-25362 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9d729472-0747-46c9-9184-472d2465933b.png?v=1791708847 L-Ornithine L-Aspartate Impurity 2 3TFA, 87.70% L-Ornithine L-Aspartate Impurity 2 3TFA|C4X-25362 https://www.jk-sci.com/products/s57c1797104 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2f3f556a2bc57b4fdc744470d806281.jpg?v=1791728868 Ceftaroline Fosamil Acetate, 92.70% | 400827-46-5 Ceftaroline Fosamil Acetate|C1797104|400827-46-5 https://www.jk-sci.com/products/s57c1910919 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4b04fd5006e0ee8e679bc218513c84a.jpg?v=1791728352 Tucatinib, 96.60% | 937263-43-9 Tucatinib|C1910919|937263-43-9 https://www.jk-sci.com/products/s57c1913887 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/691f3ab5d850adf6c899a29236fdfcb2.jpg?v=1791728324 Hexacosanoyl camitine-d3 HCl, Purity>95% | 2260670-67-3 Hexacosanoyl camitine-d3 HCl|C1913887|2260670-67-3 https://www.jk-sci.com/products/s57c1914517 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350577.png?v=1791728307 Benzyl 2-aminoacetate Hydrochloride, 95.50% | 2462-31-9 Benzyl 2-aminoacetate Hydrochloride|C1914517|2462-31-9 https://www.jk-sci.com/products/s57c1930012 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa4947dc7ba85d13f131a020b3fec09d.jpg?v=1791728105 N1-Nitroso Propitocaine, 99.20% | 211490-46-9 N1-Nitroso Propitocaine|C1930012|211490-46-9 https://www.jk-sci.com/products/s57c4x-25363 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bf73e505510e44d7e03a9648d8401e8.jpg?v=1791708844 L-Ornithine L-Aspartate Impurity 3, Purity: 100.0% | 7327-72-2 L-Ornithine L-Aspartate Impurity 3|C4X-25363|7327-72-2 https://www.jk-sci.com/products/s57c3d-2207 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288719.png?v=1791728006 Butyl p-toluenesulfonate, 98.90% | 778-28-9 Butyl p-toluenesulfonate|C3D-2207|778-28-9 https://www.jk-sci.com/products/s57c3d-2443 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/158a96561fce5e8dc0fa313fa2c1ab5f.jpg?v=1791727961 Methyl Tropate, 94.00% | 3967-53-1 Methyl Tropate|C3D-2443|3967-53-1 https://www.jk-sci.com/products/s57c3d-262197 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_da666466-0d0f-4c64-99e7-c6f8a1be9386.png?v=1791727721 2-Keto-D-galactose, Purity: 98.1% 2-Keto-D-galactose|C3D-262197 https://www.jk-sci.com/products/s57c3d-262261 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac82c196ab78934e22eea91732a0f9e9.jpg?v=1791727704 (R)-2-(4-(5-chloropyrimidin-2-yl)piperidin-1-yl)-4-((1-(hydroxymethyl)cyclobutyl)amino)-6,7-dihydrothieno[3,2-d]pyrimidine 5-oxide, Purity: 100.0% | 1423719-30-5 (R)-2-(4-(5-chloropyrimidin-2-yl)piperidin-1-yl)-4-((1-(hydroxymethyl)cyclobutyl)amino)-6,7-dihydrothieno[3,2-d]pyrimidine 5-oxide|C3D-262261|1423719-30-5 https://www.jk-sci.com/products/s57c4x-25367 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97f71a4ddcbd3c06a84980265924294e.jpg?v=1791708839 L-Ornithine L-Aspartate Impurity 7, 68.70% | 886996-37-8 L-Ornithine L-Aspartate Impurity 7|C4X-25367|886996-37-8 https://www.jk-sci.com/products/s57c4x-25369 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e496f8c520eea37dcf5e00ed8b8980c8.jpg?v=1791708839 L-Ornithine L-Aspartate Impurity 8, 81.20% | 14169-16-5 L-Ornithine L-Aspartate Impurity 8|C4X-25369|14169-16-5 https://www.jk-sci.com/products/s57c3d-3388 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813417.png?v=1791727451 Elacridar, Purity: 99.2% | 143664-11-3 Elacridar|C3D-3388|143664-11-3 https://www.jk-sci.com/products/s57c3d-5856 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0af1b2ea3bb4c21c6eadb984ec1200f3.jpg?v=1791726790 4-Hydroxybenzenesulfonic Acid Sodium Salt, 95.20% | 825-90-1 4-Hydroxybenzenesulfonic Acid Sodium Salt|C3D-5856|825-90-1 https://www.jk-sci.com/products/s57c4x-25374 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60749224435170d1ea2a0e841591fade.jpg?v=1791708833 Glycyrrhizic Acid Impurity 4, 87.30% | 83896-44-0 Glycyrrhizic Acid Impurity 4|C4X-25374|83896-44-0 https://www.jk-sci.com/products/s57c4x-10027 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dd9dc5f297100e3b92fa2ec196d35e9.jpg?v=1791726560 Clarithromycin EP Impurity O, 98.60% | 127252-80-6 Clarithromycin EP Impurity O|C4X-10027|127252-80-6 https://www.jk-sci.com/products/s57c4x-25511 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5472e72e56121ffa8b023c55cb8d2226_7b01b7ff-dbea-4e95-a27f-d30d62193224.jpg?v=1791708828 D-glucono-1,4-lactone, 93.00% | 1198-69-2 D-glucono-1,4-lactone|C4X-25511|1198-69-2 https://www.jk-sci.com/products/s57c4x-101710 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618230.png?v=1791726228 Desulfovardenafil, 99.30% | 224789-21-3 Desulfovardenafil|C4X-101710|224789-21-3 https://www.jk-sci.com/products/s57c4x-25531 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250293.png?v=1791708823 2,3-Dichloro-1-propanol, 93.00% | 616-23-9 2,3-Dichloro-1-propanol|C4X-25531|616-23-9 https://www.jk-sci.com/products/s57c4x-10187 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432f0ac1f96dff47cdf2c8810b53741c.jpg?v=1791726169 Choline fenofibrate EP Impurity G, 95.60% | 217636-48-1 Choline fenofibrate EP Impurity G|C4X-10187|217636-48-1 https://www.jk-sci.com/products/s57c4x-25711 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9457be404586085797190c0b057affcf_6bdeef79-f58b-4762-b7c6-f9d9dec527a2.jpg?v=1791708799 6-Aminocaproic Acid Dimer, 98.60% | 2014-58-6 6-Aminocaproic Acid Dimer|C4X-25711|2014-58-6 https://www.jk-sci.com/products/s57c4x-25571 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206900_ff02b5a0-1cbc-41a8-a7c8-1df34a0d9959.png?v=1791708814 Tropine, 96.00% | 120-29-6 Tropine|C4X-25571|120-29-6 https://www.jk-sci.com/products/s57c4x-25535 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159278_aab6e89b-92e6-4b28-a826-bde22b06ec55.png?v=1791708818 2-Methylimidazole, 99.60% | 693-98-1 2-Methylimidazole|C4X-25535|693-98-1 https://www.jk-sci.com/products/s57c4x-25641 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519572.png?v=1791708803 5-Chlorosalicylic Acid, 97.90% | 321-14-2 5-Chlorosalicylic Acid|C4X-25641|321-14-2 https://www.jk-sci.com/products/s57c4x-25794 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/561380_eabca811-179f-40f7-936a-ac1b6388bcbe.png?v=1791708792 3-Aminobenzyl Alcohol, 98.10% | 1877-77-6 3-Aminobenzyl Alcohol|C4X-25794|1877-77-6 https://www.jk-sci.com/products/s57c4x-258310 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c849a89-d453-4af1-b5e1-b47445563821.png?v=1791708782 Phenylbutyrate Impurity 10, Purity: 99.8% Phenylbutyrate Impurity 10|C4X-258310 https://www.jk-sci.com/products/s57c4x-1020103 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b0de4a3-bea6-4ddd-ae44-20b0c4e098ff.png?v=1791726141 Vonoprazan Impurity 103, 91.50% Vonoprazan Impurity 103|C4X-1020103 https://www.jk-sci.com/products/s57c4x-10642 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29049249bb0a896c5de86394d04cf4c0.jpg?v=1791724933 Ibrutinib Impurity 2, 95.60% | 1839099-22-7 Ibrutinib Impurity 2|C4X-10642|1839099-22-7 https://www.jk-sci.com/products/s57c4x-25741 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/beded36a08977a7a3b4ee47bb1697531.jpg?v=1791708792 Hydrazine Sulfate Salt, 95.00% | 10034-93-2 Hydrazine Sulfate Salt|C4X-25741|10034-93-2 https://www.jk-sci.com/products/s57c4x-25624 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ff59f6c683ced565f8cbf951539d824.jpg?v=1791708805 4-[3-(Ethoxycarbonyl)-5-Oxo-4,5-Dihydro-1h-Pyrazol-1-Yl]Benzenesulfonic Acid, 91.70% | 6402-06-8 4-[3-(Ethoxycarbonyl)-5-Oxo-4,5-Dihydro-1h-Pyrazol-1-Yl]Benzenesulfonic Acid|C4X-25624|6402-06-8 https://www.jk-sci.com/products/s57c4x-108230 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7025fc0c8a992a9251e9be670ed94f3.jpg?v=1791724125 Ibuprofen Impurity 30, 99.10% | 41283-72-1 Ibuprofen Impurity 30|C4X-108230|41283-72-1 https://www.jk-sci.com/products/s57c4x-258320 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f58eb65e221060763451d4e0e0981fb.jpg?v=1791708774 Sodium 1-Hydroxy-2-phenylethane-1-sulfonate, 93.20% | 6950-57-8 Sodium 1-Hydroxy-2-phenylethane-1-sulfonate|C4X-258320|6950-57-8 https://www.jk-sci.com/products/s57c4x-25622 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eff8c903742ffe7b71c41b29717835d.jpg?v=1791708808 Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate, 91.30% | 20514-27-6 Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate|C4X-25622|20514-27-6 https://www.jk-sci.com/products/s57c4x-25521 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a539ba623c499f517ac7bf109d8e3512.jpg?v=1791708825 Sulfadiazine EP Impurity E, Purity: 99.4% | 127-74-2 Sulfadiazine EP Impurity E|C4X-25521|127-74-2 https://www.jk-sci.com/products/s57c4x-25551 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600886.png?v=1791708814 Methyl 4-bromo-7-methoxybenzo[d][1,3]dioxole-5-carboxylate, 84.10% | 81474-46-6 Methyl 4-bromo-7-methoxybenzo[d][1,3]dioxole-5-carboxylate|C4X-25551|81474-46-6 https://www.jk-sci.com/products/s57c4x-108276 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596857_7df7c086-fa78-4b2f-a467-d261a4367790.png?v=1791724102 Ibuprofen Methyl Ester, 99.10% | 61566-34-5 Ibuprofen Methyl Ester|C4X-108276|61566-34-5 https://www.jk-sci.com/products/s57c4x-258317 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_15f67e45-453d-40a6-89f8-e062ea8c5e2d.png?v=1791708773 Phenylbutyrate Impurity 17, Purity: 96.5% Phenylbutyrate Impurity 17|C4X-258317 https://www.jk-sci.com/products/s57c4x-10885 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72471950dd92e37f31ecedc0c5281bf0.jpg?v=1791723804 Apixaban Impurity 5, 98.40% | 2029205-64-7 Apixaban Impurity 5|C4X-10885|2029205-64-7 https://www.jk-sci.com/products/s57c1124400 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62caa82c42320909446921c57575e0b4.jpg?v=1791730171 C26:0lysophosphatidvlcholine, Purity>95% | 1213783-80-2 C26:0lysophosphatidvlcholine|C1124400|1213783-80-2 https://www.jk-sci.com/products/s57c1256071 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529cb66379db32b8267b0db5aa43baa0.jpg?v=1791730014 Dermaseptin | 136212-91-4 Dermaseptin|C1256071|136212-91-4 https://www.jk-sci.com/products/s57c1352051 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af1c02bb87100071489ef035651b8240.jpg?v=1791729789 Sodium Cromoglicate Impurity C51, 99.10% | 16130-17-9 Sodium Cromoglicate Impurity C51|C1352051|16130-17-9 https://www.jk-sci.com/products/s57c1622261 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409700_53bcf0aa-a462-4a94-ae48-2bcfa0407c35.png?v=1791729271 2-Chloro-5-methylbenzoic Acid, 99.30% | 6342-60-5 2-Chloro-5-methylbenzoic Acid|C1622261|6342-60-5 https://www.jk-sci.com/products/s57c1775320 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419155_92f0aa54-2af0-4967-8811-6e6cd2a72c9b.png?v=1791728983 6-Methyloctanoic acid, 95.70% | 504-99-4 6-Methyloctanoic acid|C1775320|504-99-4 https://www.jk-sci.com/products/s57c4x-25851 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7078346951b8a20fd5e3ad2137160a4b.jpg?v=1791708763 Toceranib phosphate, 96.20% | 874819-74-6 Toceranib phosphate|C4X-25851|874819-74-6 https://www.jk-sci.com/products/s57c1848894 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e77f2f631db9aa35e88093757d0e82.jpg?v=1791728575 Mirabegron Impurity N1, 99.20% | 521284-21-9 Mirabegron Impurity N1|C1848894|521284-21-9 https://www.jk-sci.com/products/s57c1896960 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dc63f8d5256019ae17004719d2d9222.jpg?v=1791728398 rel-(3aR,4R,7S,7aS)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione, 99.50% | 6319-06-8 rel-(3aR,4R,7S,7aS)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione|C1896960|6319-06-8 https://www.jk-sci.com/products/s57c1922870 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243843_030b388f-5f5c-4204-a49b-f901f2a4afb5.png?v=1791728183 4-Methylphenylacetic acid, 99.90% | 622-47-9 4-Methylphenylacetic acid|C1922870|622-47-9 https://www.jk-sci.com/products/s57c3d-26079 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc071827a22d064bce751fad70b0c2a2_72d951b9-6952-4a0b-8de4-c8d4d795795a.jpg?v=1791727764 3-Fluoro-4-nitrobenzoic acid, 98.80% | 403-21-4 3-Fluoro-4-nitrobenzoic acid|C3D-26079|403-21-4 https://www.jk-sci.com/products/s57c3d-262319 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93d01815-0f61-4aca-bdd0-e57dd7cef854.png?v=1791727692 Arginylarginine DITFA, Purity: 98.3% Arginylarginine DITFA|C3D-262319 https://www.jk-sci.com/products/s57c3d-3228 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393137_2ca5c46b-a4be-4c75-afa2-88496bc96aa2.png?v=1791727507 (S)-Naringenin, 98.60% | 480-41-1 (S)-Naringenin|C3D-3228|480-41-1 https://www.jk-sci.com/products/s57c3d-3624 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301955.png?v=1791727383 Tolbutamide, 99.40% | 64-77-7 Tolbutamide|C3D-3624|64-77-7 https://www.jk-sci.com/products/s57c3d-5782 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4322bfe8-c172-4af4-b4b6-7abc70f712a1.png?v=1791726814 α-Ketoglutaric acid Dimer Impurity, 93.40% α-Ketoglutaric acid Dimer Impurity|C3D-5782 https://www.jk-sci.com/products/s57c4x-102412 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796449_ac52d244-8074-4d5f-8e49-d6e5b75a45e8.png?v=1791725981 Capecitabine Impurity 12, 99.30% | 62211-93-2 Capecitabine Impurity 12|C4X-102412|62211-93-2 https://www.jk-sci.com/products/s57c4x-1065185 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_39bfd32d-1f19-4167-80d2-181995464921.png?v=1791724854 Empagliflozin impurity 185, Purity: 99.5% Empagliflozin impurity 185|C4X-1065185 https://www.jk-sci.com/products/s57c4x-110912 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8528ff8-3b7f-4ec2-bd45-d414896d8848.png?v=1791722992 Citalopram Impurity 12, 97.10% Citalopram Impurity 12|C4X-110912 https://www.jk-sci.com/products/s57c4x-113173 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82014f3db9597bd1435b146d7fac7a28.jpg?v=1791722202 Brexpiprazole Impurity 73, 94.10% | 2138169-93-2 Brexpiprazole Impurity 73|C4X-113173|2138169-93-2 https://www.jk-sci.com/products/s57c4x-11382 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/995d27944dac5326d4522063b11daa69.jpg?v=1791721907 Dapagliflozin Impurity 2, 96.90% | 2271248-78-1 Dapagliflozin Impurity 2|C4X-11382|2271248-78-1 https://www.jk-sci.com/products/s57c4x-142511 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c301cf6a74a178ed783fa1ec5c0e720.jpg?v=1791717638 Amiodarone EP Impurity A HCl, Purity: 99.6% | 95820-13-6 Amiodarone EP Impurity A HCl|C4X-142511|95820-13-6 https://www.jk-sci.com/products/s57c1288269 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466411.png?v=1791729958 Piperazine Hydrate, Purity: 100.0% | 142-63-2 Piperazine Hydrate|C1288269|142-63-2 https://www.jk-sci.com/products/s57c1314305 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba0a31b8e76151a393238a28648a53dd.jpg?v=1791729889 Dapagliflozin Furanose Isomer, 95.30% | 1469910-70-0 Dapagliflozin Furanose Isomer|C1314305|1469910-70-0 https://www.jk-sci.com/products/s57c1359283 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622798.png?v=1791729772 2-Bromo-4-nitrobenzoic Acid, 99.90% | 16426-64-5 2-Bromo-4-nitrobenzoic Acid|C1359283|16426-64-5 https://www.jk-sci.com/products/s57c1359297 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f15b2b44e92b3abc2a79e225693a79e.jpg?v=1791729773 2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic acid, Purity: 99.4% | 164265-78-5 2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic acid|C1359297|164265-78-5 https://www.jk-sci.com/products/s57c1524258 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76256895bfb115a87e76cfbbbebec83d.jpg?v=1791729512 Prilocaine Impurity N2, 98.60% | 3098-67-7 Prilocaine Impurity N2|C1524258|3098-67-7 https://www.jk-sci.com/products/s57c1662050 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361fb59d90baa61c1334fb9e7427faa9.jpg?v=1791729199 3,5-Dichloro-N-methylpyridin-4-amine, 97.40% | 211571-89-0 3,5-Dichloro-N-methylpyridin-4-amine|C1662050|211571-89-0 https://www.jk-sci.com/products/s57c1672125 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa249cb8d345f1c8b7a7bc171777de0.jpg?v=1791729187 3-Bromo-6-chloropyrazine-2-carbonitrile, Purity: 99.6% | 2180081-37-0 3-Bromo-6-chloropyrazine-2-carbonitrile|C1672125|2180081-37-0 https://www.jk-sci.com/products/s57c1740349 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1856802a4381768e5be8cdd121b9240d.jpg?v=1791729048 5-(Methoxycarbonyl)furan-2-carboxylic Acid, 97.70% | 6750-85-2 5-(Methoxycarbonyl)furan-2-carboxylic Acid|C1740349|6750-85-2 https://www.jk-sci.com/products/s57c1795328 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442065_07a3dd8b-ed3c-4f19-ac11-aeae63fd754e.png?v=1791728899 Boc-Leu-Met-OMe | 2280-69-5 Boc-Leu-Met-OMe|C1795328|2280-69-5 https://www.jk-sci.com/products/s57c1824244 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cdb63bde0fdfe565c07952972cc2304.jpg?v=1791728726 Fmoc-D-Hyp(tBu)-OH | 464193-92-8 Fmoc-D-Hyp(tBu)-OH|C1824244|464193-92-8 https://www.jk-sci.com/products/s57c1828170 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff20876ada5b3ab6df259963dd040c6a.jpg?v=1791728674 L-Pyroglutamic acid isopropyl ester, 98.90% | 52989-50-1 L-Pyroglutamic acid isopropyl ester|C1828170|52989-50-1 https://www.jk-sci.com/products/s57c1887138 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ae9bc54ce0e9e8ab1220d23fa35e74f.jpg?v=1791728476 Palmitoyl-DL-carnitine chloride, Purity>95% | 6865-14-1 Palmitoyl-DL-carnitine chloride|C1887138|6865-14-1 https://www.jk-sci.com/products/s57c3d-25795 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c11e7cf09965db7b07fa1edf8a58cec6.jpg?v=1791727936 3,3'-Bi-1,2-benzisothiazole, 99.10% | 1195571-46-0 3,3'-Bi-1,2-benzisothiazole|C3D-25795|1195571-46-0 https://www.jk-sci.com/products/s57c3d-3902 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139530_9e1f1305-11e0-4d04-b023-1e2e4b5154b8.png?v=1791727303 5-Chloroisatin, 97.70% | 17630-76-1 5-Chloroisatin|C3D-3902|17630-76-1 https://www.jk-sci.com/products/s57c3d-5510 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599509.png?v=1791726921 (S)-(+)-2-Chloropropan-1-ol, 96.40% | 19210-21-0 (S)-(+)-2-Chloropropan-1-ol|C3D-5510|19210-21-0 https://www.jk-sci.com/products/s57c3d-5513 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348030_96ee0dcf-fc34-49a1-9fa1-37e799ca5c85.png?v=1791726914 EUK-134, 98.10% | 81065-76-1 EUK-134|C3D-5513|81065-76-1 https://www.jk-sci.com/products/s57c4x-100218 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d63d01495ee66b0f1f7f871a37de831e.jpg?v=1791726579 Clarithromycin EP Impurity B, Purity: 99.4% | 299409-85-1 Clarithromycin EP Impurity B|C4X-100218|299409-85-1 https://www.jk-sci.com/products/s57c4x-100834 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316585.png?v=1791726421 Aripiprazole Impurity 34, 96.20% | 39512-50-0 Aripiprazole Impurity 34|C4X-100834|39512-50-0 https://www.jk-sci.com/products/s57c4x-100872 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_03cba56f-6c00-494d-9f24-5e3e788b0c10.png?v=1791726401 Aripiprazole Impurity 72, 99.30% Aripiprazole Impurity 72|C4X-100872 https://www.jk-sci.com/products/s57c4x-1009112 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20e6bedff5cd74c0035e9cbd651507c1.jpg?v=1791726382 Apremilast Impurity 112, 94.80% | 247569-89-7 Apremilast Impurity 112|C4X-1009112|247569-89-7 https://www.jk-sci.com/products/s57c4x-100969 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b73692b5-3d8e-4432-ad71-12219eaff6d9.png?v=1791726340 Apremilast Impurity 69, Purity: 94.2% Apremilast Impurity 69|C4X-100969 https://www.jk-sci.com/products/s57c4x-105817 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406181_edaf1cdb-aaa9-44b2-95f5-a21df9cb66a4.png?v=1791725130 Memantine Related Compound B, 98.40% | 707-37-9 Memantine Related Compound B|C4X-105817|707-37-9 https://www.jk-sci.com/products/s57c4x-107139 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4b0a13cc798bf15b30a4e1cdb845c4b.jpg?v=1791724630 Axitinib Impurity 39, 96.50% | 31913-93-6 Axitinib Impurity 39|C4X-107139|31913-93-6 https://www.jk-sci.com/products/s57c4x-108252 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222585a007818fa753f58db26fd6f1d7.jpg?v=1791724117 Ibuprofen Impurity 52, 98.00% | 67381-50-4 Ibuprofen Impurity 52|C4X-108252|67381-50-4 https://www.jk-sci.com/products/s57c4x-108724 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6f038d5675bdefd2cd6e61b84f13448.jpg?v=1791723881 Tadalafil Impurity 24, Purity: 99.4% | 951661-81-7 Tadalafil Impurity 24|C4X-108724|951661-81-7 https://www.jk-sci.com/products/s57c4x-124244 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70269e518a3eca92867b89ed0ce506b6.jpg?v=1791720051 (2α,3α,5α,16β)-2,3-Epoxy-16-(1-pyrrolidinyl)androstan-17-one, 99.40% | 159325-45-8 (2α,3α,5α,16β)-2,3-Epoxy-16-(1-pyrrolidinyl)androstan-17-one|C4X-124244|159325-45-8 https://www.jk-sci.com/products/s57c4x-133835 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410065197850cc8b3d301a0797eb4ee7.jpg?v=1791719110 Terbinafine lmpurity 35, 92.80% | 138139-82-9 Terbinafine lmpurity 35|C4X-133835|138139-82-9 https://www.jk-sci.com/products/s57c1041324 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3913759287d145f70ccee2a73e12a3b.jpg?v=1791730323 Brexpiprazole Impurity 113, Purity: 99.4% | 105685-06-1 Brexpiprazole Impurity 113|C1041324|105685-06-1 https://www.jk-sci.com/products/s57c1192354 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222500_ea36a019-a307-4b56-ba4c-e64e7001ef51.png?v=1791730100 Potassium Acetate, 98.70% | 127-08-2 Potassium Acetate|C1192354|127-08-2 https://www.jk-sci.com/products/s57c1237920 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62bc0439e4c0574d6f264609576a354c.jpg?v=1791730025 3,6-DibroMopyrazine-2-carbonitrile, Purity: 98.6% | 1351238-11-3 3,6-DibroMopyrazine-2-carbonitrile|C1237920|1351238-11-3 https://www.jk-sci.com/products/s57c4x-25951 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df30f3fa1020c7d473c9f9150cd8ad8.jpg?v=1791708762 (S)-4-chlorobutane-1,3-diol, Purity: 100.0% | 139013-68-6 (S)-4-chlorobutane-1,3-diol|C4X-25951|139013-68-6 https://www.jk-sci.com/products/s57c4x-25981 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc831ba3a4d229fc280d907996cf11a7.jpg?v=1791708757 2-hydroxy-1,4-benzoquinone, 97.80% | 2474-72-8 2-hydroxy-1,4-benzoquinone|C4X-25981|2474-72-8 https://www.jk-sci.com/products/s57c4x-26034 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f7ca10bafa41a887af75fb25f187ba0.jpg?v=1791708752 Etofenamate, Purity: 99.9% | 30544-47-9 Etofenamate|C4X-26034|30544-47-9 https://www.jk-sci.com/products/s57c4x-260610 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d8166578-72fd-46c7-ae02-79eb85b868e9.png?v=1791708751 Pretomanid Impurity 10, 99.40% Pretomanid Impurity 10|C4X-260610 https://www.jk-sci.com/products/s57c1305444 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e96a4dcca3e4a5a77187fff07cfdbe8b.jpg?v=1791729932 Methyl 2-(2-chlorophenyl)-2-(4,5-dihydrothieno[2,3-c]pyridin-6(7H)-yl)acetate hydrochloride, 92.90% | 144457-43-2 Methyl 2-(2-chlorophenyl)-2-(4,5-dihydrothieno[2,3-c]pyridin-6(7H)-yl)acetate hydrochloride|C1305444|144457-43-2 https://www.jk-sci.com/products/s57c4x-26066 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_812586a0-4097-4ca5-92e4-9cfdae4faea9.png?v=1791708746 Pretomanid Impurity 6, 96.80% Pretomanid Impurity 6|C4X-26066 https://www.jk-sci.com/products/s57c1479914 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea9f15957bb5f72072e2410ffd20e496.jpg?v=1791729594 (4-Isopropyl-3,5-dimethoxyphenyl)methanol, 97.50% | 344396-18-5 (4-Isopropyl-3,5-dimethoxyphenyl)methanol|C1479914|344396-18-5 https://www.jk-sci.com/products/s57c1610254 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fc1811e1a5b15d5ec975b5e22ee5223.jpg?v=1791729309 2-Amino-2-(pyridin-3-yl)acetamide, 92.50% | 736091-66-0 2-Amino-2-(pyridin-3-yl)acetamide|C1610254|736091-66-0 https://www.jk-sci.com/products/s57c1753136 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84e53273880a2c3121bd1695c5821943.jpg?v=1791729020 Metoclopramide impurity 01, 99.70% | 82689-92-7 Metoclopramide impurity 01|C1753136|82689-92-7 https://www.jk-sci.com/products/s57c1823530 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/384598.png?v=1791728737 Famprofazone, 97.20% | 22881-35-2 Famprofazone|C1823530|22881-35-2 https://www.jk-sci.com/products/s57c1919114 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80e8574e76dfa705553752290413aaf9.jpg?v=1791728268 2-Oxopiperidine-3-carboxylic acid, 99.00% | 41888-21-5 2-Oxopiperidine-3-carboxylic acid|C1919114|41888-21-5 https://www.jk-sci.com/products/s57c4x-2607 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549210.png?v=1791708741 Propantheline Bromide, 95.50% | 50-34-0 Propantheline Bromide|C4X-2607|50-34-0 https://www.jk-sci.com/products/s57c3d-1974 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416810_9c6c16af-50d6-4f1d-a26f-bbd8f3ee8d50.png?v=1791728048 Citicoline Sodium Salt, Purity: 100.0% | 33818-15-4 Citicoline Sodium Salt|C3D-1974|33818-15-4 https://www.jk-sci.com/products/s57c3d-3876 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03be0ae8fe23e8ce29ca789e3e004a0b.jpg?v=1791727303 4-Hydroxy-3-methoxy-5-nitrobenzoic acid, 96.60% | 15785-54-3 4-Hydroxy-3-methoxy-5-nitrobenzoic acid|C3D-3876|15785-54-3 https://www.jk-sci.com/products/s57c4x-260810 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/911715_cf1a5be8-c483-43e6-846c-6e3e3ff4ee1a.png?v=1791708741 3-Fluoro-2-Hydroxyacetophenone, 98.50% | 699-92-3 3-Fluoro-2-Hydroxyacetophenone|C4X-260810|699-92-3 https://www.jk-sci.com/products/s57c3d-5971 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365602.png?v=1791726742 Nervonic acid, 99.40% | 506-37-6 Nervonic acid|C3D-5971|506-37-6 https://www.jk-sci.com/products/s57c4x-26084 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160426_e275763f-807a-401f-8158-7f8100ffef85.png?v=1791708735 4'-Fluoro-2'-hydroxyacetophenone, 98.70% | 1481-27-2 4'-Fluoro-2'-hydroxyacetophenone|C4X-26084|1481-27-2 https://www.jk-sci.com/products/s57c4x-26086 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155985.png?v=1791708731 3'-Fluoro-4'-hydroxyacetophenone, 99.80% | 403-14-5 3'-Fluoro-4'-hydroxyacetophenone|C4X-26086|403-14-5 https://www.jk-sci.com/products/s57c3d-6021 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524944.png?v=1791726713 1-(p-Tolyl)propan-2-one, Purity: 95.9% | 2096-86-8 1-(p-Tolyl)propan-2-one|C3D-6021|2096-86-8 https://www.jk-sci.com/products/s57c4x-1009111 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c6dd963f977cf6a31fbd01c8702e64a.jpg?v=1791726386 Apremilast Impurity 111, Purity: 97.7% | 60758-79-4 Apremilast Impurity 111|C4X-1009111|60758-79-4 https://www.jk-sci.com/products/s57c4x-105767 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ffc1ee18a739cc6a13169b4ebe15e72.jpg?v=1791725153 Valsartan Impurity 67, 95.70% | 2254485-68-0 Valsartan Impurity 67|C4X-105767|2254485-68-0 https://www.jk-sci.com/products/s57c4x-1079104 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272049.png?v=1791724299 Tofacitinib Impurity 104, 97.90% | 39929-79-8 Tofacitinib Impurity 104|C4X-1079104|39929-79-8 https://www.jk-sci.com/products/s57c4x-107960 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514562.png?v=1791724236 Tofacitinib Impurity 60, Purity: 100.0% | 90213-66-4 Tofacitinib Impurity 60|C4X-107960|90213-66-4 https://www.jk-sci.com/products/s57c4x-108735 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03164814812acc4b2b9d5bf25c8cc366.jpg?v=1791723874 Tadalafil Impurity 35, Purity: 99.4% | 2169996-11-4 Tadalafil Impurity 35|C4X-108735|2169996-11-4 https://www.jk-sci.com/products/s57c4x-1132119 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71f26a7ced70d524361d3df269e32264.jpg?v=1791722154 Atorvastatin EP Impurity C Calcium Salt, 95.40% | 693793-53-2 Atorvastatin EP Impurity C Calcium Salt|C4X-1132119|693793-53-2 https://www.jk-sci.com/products/s57c4x-26089 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f59faf3f7eff39800ebbe6da0c0a4a94.jpg?v=1791708730 4'-Fluoro-3'-hydroxyacetophenone, 99.20% | 949159-95-9 4'-Fluoro-3'-hydroxyacetophenone|C4X-26089|949159-95-9 https://www.jk-sci.com/products/s57c4x-113845 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e31c8e3d4003b3ef127aa960a12799dc.jpg?v=1791721878 Dapagliflozin Impurity 45, 99.90% | 864070-18-8 Dapagliflozin Impurity 45|C4X-113845|864070-18-8 https://www.jk-sci.com/products/s57c4x-11653 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa367607f2929d075cbb027a27ffc177.jpg?v=1791721328 Dexamethasone EP Impurity C, 95.40% | 426-17-5 Dexamethasone EP Impurity C|C4X-11653|426-17-5 https://www.jk-sci.com/products/s57c4x-136935 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77d87e2d-a4ae-410b-af50-4828f925c654.png?v=1791718548 Mianserin impurity 35, 91.70% Mianserin impurity 35|C4X-136935 https://www.jk-sci.com/products/s57c4x-16813 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795129.png?v=1791714960 Lisinopril EP Impurity C, 95.60% | 328385-86-0 Lisinopril EP Impurity C|C4X-16813|328385-86-0 https://www.jk-sci.com/products/s57c1048682 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274042.png?v=1791730312 1,3-Phenylene diacetate, Purity: 98.8% | 108-58-7 1,3-Phenylene diacetate|C1048682|108-58-7 https://www.jk-sci.com/products/s57c1125369 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d87a2dd33ecbdaa086168f7fbf2c7f33.jpg?v=1791730168 Ethyl 3-amino-2-fluorobenzoate, Purity: 99.8% | 1214335-16-6 Ethyl 3-amino-2-fluorobenzoate|C1125369|1214335-16-6 https://www.jk-sci.com/products/s57c1190846 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d457d79f233972a2a2d086917f8ab822.jpg?v=1791730105 Calcipotriol Impurity A, Purity: 99.3% | 126860-84-2 Calcipotriol Impurity A|C1190846|126860-84-2 https://www.jk-sci.com/products/s57c1295355 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79d97711974e2a03532e984414d09d06.jpg?v=1791729947 (E)-Oct-4-enedioic acid, 99.70% | 14277-16-8 (E)-Oct-4-enedioic acid|C1295355|14277-16-8 https://www.jk-sci.com/products/s57c1424782 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/307724.png?v=1791729687 Diallylacetic Acid Ethyl Ester, 93.50% | 18325-74-1 Diallylacetic Acid Ethyl Ester|C1424782|18325-74-1 https://www.jk-sci.com/products/s57c1588769 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c622c28ee8a736985aac9c9348fa958_d3fd116b-d162-4538-8ea7-b9c9a5773d3d.jpg?v=1791729402 2-(Methylsulfonyl)aniline, 99.50% | 2987-49-7 2-(Methylsulfonyl)aniline|C1588769|2987-49-7 https://www.jk-sci.com/products/s57c1630270 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c3cab070d310326007a508575a314a2.jpg?v=1791729259 2-Hydroxy-3-Methoxybenzenesulfonic Acid Potassium Salt, Purity: 97.9% | 859188-04-8 2-Hydroxy-3-Methoxybenzenesulfonic Acid Potassium Salt|C1630270|859188-04-8 https://www.jk-sci.com/products/s57c1833260 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7a6a3b0b4a13f456e7ec95b3e504ff0_d2c9fbc0-357d-4a67-a96f-1212b91d5770.jpg?v=1791728623 Methyl 1H-Indazole-7-carboxylate, 99.40% | 755752-82-0 Methyl 1H-Indazole-7-carboxylate|C1833260|755752-82-0 https://www.jk-sci.com/products/s57c1915213 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224743_719cbc54-183a-4986-8193-e52c6bf72b99.png?v=1791728308 Methyl 3,5-dinitrobenzoate, 99.50% | 2702-58-1 Methyl 3,5-dinitrobenzoate|C1915213|2702-58-1 https://www.jk-sci.com/products/s57c1923513 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239397.png?v=1791728167 Triisopropylhydrosilane, 94.80% | 6485-79-6 Triisopropylhydrosilane|C1923513|6485-79-6 https://www.jk-sci.com/products/s57c3d-25859 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493851_149c1018-6af0-477a-969b-31fd7beb7aa3.png?v=1791727902 Methyl Oxindole-5-carboxylate, Purity: 98.1% | 199328-10-4 Methyl Oxindole-5-carboxylate|C3D-25859|199328-10-4 https://www.jk-sci.com/products/s57c3d-26003 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518445.png?v=1791727798 5-Chloro-2-fluoroaniline, 90.40% | 2106-05-0 5-Chloro-2-fluoroaniline|C3D-26003|2106-05-0 https://www.jk-sci.com/products/s57c3d-2826 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359130_b628526d-1170-4c18-a5f9-87eb3e83df93.png?v=1791727594 H-Ser(tBu)-OH, 93.10% | 18822-58-7 H-Ser(tBu)-OH|C3D-2826|18822-58-7 https://www.jk-sci.com/products/s57c4x-260912 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff18b1ae83ae4a5ea4de68022a2f4d42.jpg?v=1791708725 Ethacridine Lactate Impurity 12, 86.80% | 20304-69-2 Ethacridine Lactate Impurity 12|C4X-260912|20304-69-2 https://www.jk-sci.com/products/s57c3d-5921 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/867ab95ecbfc390654145ae7832120d1.jpg?v=1791726764 R428, Purity: 99.7% | 1037624-75-1 R428|C3D-5921|1037624-75-1 https://www.jk-sci.com/products/s57c4x-1020177 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26bb8a0d-3abc-4823-b781-4d06c2d6b2e2.png?v=1791726099 Vonoprazan Impurity 177, 93.70% Vonoprazan Impurity 177|C4X-1020177 https://www.jk-sci.com/products/s57c4x-102091 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ceec0209ac603e7511d8818ecf9903e.jpg?v=1791726018 Vonoprazan, 99.00% | 881681-00-1 Vonoprazan|C4X-102091|881681-00-1 https://www.jk-sci.com/products/s57c4x-10211 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26658b1c0bd5c57ab6979a8156e698e0.jpg?v=1791726013 Ganciclovir EP Impurity A, 96.10% | 1797982-93-4 Ganciclovir EP Impurity A|C4X-10211|1797982-93-4 https://www.jk-sci.com/products/s57c4x-103286 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41b69bdaf44df20acc968031d65d2970.jpg?v=1791725733 Mirabegron Impurity 86, 100.00% | 223673-34-5 Mirabegron Impurity 86|C4X-103286|223673-34-5 https://www.jk-sci.com/products/s57c4x-10903 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff832b704c2f72a90df6f3b88a7ee018.jpg?v=1791723691 Rivaroxaban EP Impurity B, 100.00% | 1429334-00-8 Rivaroxaban EP Impurity B|C4X-10903|1429334-00-8 https://www.jk-sci.com/products/s57c4x-109630 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1de503571c26fd40c74230c86d3cb927.jpg?v=1791723423 Azilsartan Ethyl Ester Impurity, 99.30% | 1403474-70-3 Azilsartan Ethyl Ester Impurity|C4X-109630|1403474-70-3 https://www.jk-sci.com/products/s57c4x-26111 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105734.png?v=1791708719 Trimipramine Maleate Salt, Purity: 100.0% | 521-78-8 Trimipramine Maleate Salt|C4X-26111|521-78-8 https://www.jk-sci.com/products/s57c4x-2620 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5adbdf4da7b1978bf0db6677f25c902.jpg?v=1791708709 Emodepside, 99.60% | 155030-63-0 Emodepside|C4X-2620|155030-63-0 https://www.jk-sci.com/products/s57c4x-26152 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70e3d12ebace0ad99acc62d11291b9e7.jpg?v=1791708720 Raltegravir EP Impurity C, Purity: 95.5% | 1391918-17-4 Raltegravir EP Impurity C|C4X-26152|1391918-17-4 https://www.jk-sci.com/products/s57c4x-11223 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a56c05b62deca1e7c1908e7216f4ddde.jpg?v=1791722570 Everolimus Impurity 3, 82.70% | 1708118-13-1 Everolimus Impurity 3|C4X-11223|1708118-13-1 https://www.jk-sci.com/products/s57c4x-113128 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9dfa693a91e677b25b32f64f754421a5.jpg?v=1791722258 Brexpiprazole Impurity 28, Purity: 95.5% | 1191900-51-2 Brexpiprazole Impurity 28|C4X-113128|1191900-51-2 https://www.jk-sci.com/products/s57c4x-121020 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da14d2e2ea3dc6f0c8058a586eaf1ef.jpg?v=1791720570 Cefdinir CP Impurity N, 76.70% | 178601-89-3 Cefdinir CP Impurity N|C4X-121020|178601-89-3 https://www.jk-sci.com/products/s57c4x-26211 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40eb6f931e0b1f717542d72406c68939.jpg?v=1791708704 Landiolol Impurity 1, 99.40% | 144256-11-1 Landiolol Impurity 1|C4X-26211|144256-11-1 https://www.jk-sci.com/products/s57c4x-12227 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d1be6a87-3119-4faa-9f22-a4f772f61bef.png?v=1791720427 Calcipotriol EP Impurity G, 95.10% Calcipotriol EP Impurity G|C4X-12227 https://www.jk-sci.com/products/s57c4x-262111 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31011f83dde0464f91e858c374b3c444.jpg?v=1791708699 Landiolol Impurity 11, 94.60% | 4432-25-1 Landiolol Impurity 11|C4X-262111|4432-25-1 https://www.jk-sci.com/products/s57c4x-26212 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398483_0b4fdae3-9d15-46b6-9b77-edf93057cc38.png?v=1791708696 Landiolol Impurity 2, Purity: 99.0% | 115314-17-5 Landiolol Impurity 2|C4X-26212|115314-17-5 https://www.jk-sci.com/products/s57c4x-139521 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/838a6684dceb367c960d8ea76c0f23fd.jpg?v=1791718187 Folic Acid EP Impurity H, 90.00% | 2366274-27-1 Folic Acid EP Impurity H|C4X-139521|2366274-27-1 https://www.jk-sci.com/products/s57c4x-15141 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7c16440d40b2ca58831a1a07f19535.jpg?v=1791716323 Noradrenalone EP Impurity B Hydrochloride, 73.80% | 5090-29-9 Noradrenalone EP Impurity B Hydrochloride|C4X-15141|5090-29-9 https://www.jk-sci.com/products/s57c1011563 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398771_c85dba03-9247-4d62-be10-b4d3179f7d6e.png?v=1791730377 N-(2-(1H-Indol-3-yl)ethyl)acetamide, Purity: 96.9% | 1016-47-3 N-(2-(1H-Indol-3-yl)ethyl)acetamide|C1011563|1016-47-3 https://www.jk-sci.com/products/s57c1025829 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118550.png?v=1791730356 Methyl 3-phenylpropionate, 97.90% | 103-25-3 Methyl 3-phenylpropionate|C1025829|103-25-3 https://www.jk-sci.com/products/s57c1059138 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406400.png?v=1791730298 2,5-dimethyl-2,5-hexanediol, Purity: 99.4% | 110-03-2 2,5-dimethyl-2,5-hexanediol|C1059138|110-03-2 https://www.jk-sci.com/products/s57c1316356 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2db7aa2a1d936d74c9b63758c75f057d.jpg?v=1791729879 1-(Sulfamoylamino)propane, 95.80% | 147962-41-2 1-(Sulfamoylamino)propane|C1316356|147962-41-2 https://www.jk-sci.com/products/s57c1343654 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b3dec91b52faf1aeb2a0eede9ea3989.jpg?v=1791729819 (R)-1-(1-([1,1'-Biphenyl]-4-yl)-3-chloropropan-2-yl)pyrrolidine-2,5-dione, Purity: 97.4% | 1573000-36-8 (R)-1-(1-([1,1'-Biphenyl]-4-yl)-3-chloropropan-2-yl)pyrrolidine-2,5-dione|C1343654|1573000-36-8 https://www.jk-sci.com/products/s57c4x-262141 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59cbc4b1535925a2cd50fc770e2c97ae.jpg?v=1791708694 Landiolol Impurity41, Purity: 95.0% | 1582797-17-8 Landiolol Impurity41|C4X-262141|1582797-17-8 https://www.jk-sci.com/products/s57c1347065 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431542.png?v=1791729811 Ibuprofen Carboxylic Acid, Purity: 99.6% | 15935-54-3 Ibuprofen Carboxylic Acid|C1347065|15935-54-3 https://www.jk-sci.com/products/s57c1707112 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138928.png?v=1791729117 4,6-Dihydroxy-5-methoxypyrimidine, 97.10% | 5193-84-0 4,6-Dihydroxy-5-methoxypyrimidine|C1707112|5193-84-0 https://www.jk-sci.com/products/s57c1799191 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b12beb40d10a97240fb1db24e9d94edf.jpg?v=1791728843 Corticosterone 21-Carboxylic Acid, 96.70% | 33762-00-4 Corticosterone 21-Carboxylic Acid|C1799191|33762-00-4 https://www.jk-sci.com/products/s57c1806303 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d19ed010ecb9cb74667c3b5e15b06bf.jpg?v=1791728791 3,4-Dihydroxy-5-Nitrobenzoic Acid, 96.20% | 84211-30-3 3,4-Dihydroxy-5-Nitrobenzoic Acid|C1806303|84211-30-3 https://www.jk-sci.com/products/s57c4x-262148 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2eb11c33-632a-45c8-ad00-b22abcba2880.png?v=1791708687 Landiolol Impurity 48, Purity: 98.8% Landiolol Impurity 48|C4X-262148 https://www.jk-sci.com/products/s57c1826498 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595821.png?v=1791728701 Histrelin | 76712-82-8 Histrelin|C1826498|76712-82-8 https://www.jk-sci.com/products/s57c4x-26215 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d545cc4c-8c05-468c-b4de-6b11fc2dfdb4.png?v=1791708686 Landiolol Impurity 5 HCl, 98.30% Landiolol Impurity 5 HCl|C4X-26215 https://www.jk-sci.com/products/s57c1832175 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df44224ba9af05efa5c097fcee34b912.jpg?v=1791728625 (S)-1-tert-Butyl 2-methyl 2,3-dihydro-1H-pyrrole-1,2-dicarboxylate, 95.70% | 83548-46-3 (S)-1-tert-Butyl 2-methyl 2,3-dihydro-1H-pyrrole-1,2-dicarboxylate|C1832175|83548-46-3 https://www.jk-sci.com/products/s57c3d-2670 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5862888a586fbe3517ee2c2ac57f00.jpg?v=1791727662 2-Heptyl Chloroformate, 86.50% | 290819-03-3 2-Heptyl Chloroformate|C3D-2670|290819-03-3 https://www.jk-sci.com/products/s57c3d-4352 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408509_be45977e-ffb7-4241-8abd-8a163b0ad3b3.png?v=1791727190 trans-Ferulic Acid, 100.00% | 537-98-4 trans-Ferulic Acid|C3D-4352|537-98-4 https://www.jk-sci.com/products/s57c4x-26217 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af7a2a03a5c2364d3ab03d1d3e59cc34.jpg?v=1791708682 Landiolol Impurity 7, 86.50% | 190601-22-0 Landiolol Impurity 7|C4X-26217|190601-22-0 https://www.jk-sci.com/products/s57c4x-10193 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131cb7ffafeab9789dc1a543854ddc23.jpg?v=1791726159 Fluconazole EP Impurity B, 99.90% | 871550-15-1 Fluconazole EP Impurity B|C4X-10193|871550-15-1 https://www.jk-sci.com/products/s57c4x-102522 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/565053_83929cc5-ed82-4e6d-ad2c-78d702f19b38.png?v=1791725965 Crizotinib impurity 22, 96.80% | 3469-69-0 Crizotinib impurity 22|C4X-102522|3469-69-0 https://www.jk-sci.com/products/s57c4x-106815 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae9d37fc-4d33-4752-b354-0d8cc7319c52.png?v=1791724729 Imatinib EP Impurity D, 95.30% Imatinib EP Impurity D|C4X-106815 https://www.jk-sci.com/products/s57c4x-108818 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf61eb1b0c9727ef6f020e5be98bbb24.jpg?v=1791723829 Apixaban Impurity 18, 99.90% | 27143-07-3 Apixaban Impurity 18|C4X-108818|27143-07-3 https://www.jk-sci.com/products/s57c4x-108825 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8c19d5d5-6b8b-4a94-87e3-11b3be71899e.png?v=1791723823 Apixaban Impurity 25, Purity: 100.0% Apixaban Impurity 25|C4X-108825 https://www.jk-sci.com/products/s57c4x-1089125 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3232a2779f17379b3e654bbd0f18db8a.jpg?v=1791723774 Dabigatran Impurity 125, 97.70% | 2225986-94-5 Dabigatran Impurity 125|C4X-1089125|2225986-94-5 https://www.jk-sci.com/products/s57c4x-262185 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1265e7d-3191-4fa6-953c-fb9c660ae199.png?v=1791708676 Landiolol Impurity 85, Purity: 100.0% Landiolol Impurity 85|C4X-262185 https://www.jk-sci.com/products/s57c4x-1090181 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_50629f53-7a3a-4554-aafd-951b9e63abe1.png?v=1791723701 Rivaroxaban Impurity 181, 99.60% Rivaroxaban Impurity 181|C4X-1090181 https://www.jk-sci.com/products/s57c4x-113588 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/994f812e25e300e2ac5db1eeb5e30053.jpg?v=1791721967 Olaparib Impurity 88, 94.40% | 1062292-60-7 Olaparib Impurity 88|C4X-113588|1062292-60-7 https://www.jk-sci.com/products/s57c4x-137520 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281df6886c8064f898167da57c798f67.jpg?v=1791718441 Mivacurium Chloride Impurity 20, 90.50% | 117676-61-6 Mivacurium Chloride Impurity 20|C4X-137520|117676-61-6 https://www.jk-sci.com/products/s57c4x-262210 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522e6b76a5f6f84a7dad6b8280b9af93.jpg?v=1791708672 Ramelteon Impurity 10 HCl, 98.00% | 1053239-39-6 Ramelteon Impurity 10 HCl|C4X-262210|1053239-39-6 https://www.jk-sci.com/products/s57c4x-15194 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6be4ec913d4a2ad5b8f4a5fe603b19.jpg?v=1791716220 Propranolol EP Impurity C, 92.30% | 17216-10-3 Propranolol EP Impurity C|C4X-15194|17216-10-3 https://www.jk-sci.com/products/s57c4x-2622 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618203.png?v=1791708677 Ramelteon, 95.30% | 196597-26-9 Ramelteon|C4X-2622|196597-26-9 https://www.jk-sci.com/products/s57c4x-15195 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57179ca021507efc84a9f8a212899caf.jpg?v=1791716215 Propranolol Impurity 5, 95.00% | 2007-72-9 Propranolol Impurity 5|C4X-15195|2007-72-9 https://www.jk-sci.com/products/s57c4x-262214 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c14d2548715117cdb6f63a25ea48b5d2.jpg?v=1791708665 Ramelteon Impurity 14, 99.60% | 326793-94-6 Ramelteon Impurity 14|C4X-262214|326793-94-6 https://www.jk-sci.com/products/s57c4x-262224 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc9631be2217a10c1c855118cd8fcfb6.jpg?v=1791708662 Ramelteon Impurity 24, 99.40% | 221530-38-7 Ramelteon Impurity 24|C4X-262224|221530-38-7 https://www.jk-sci.com/products/s57c1031838 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414490.png?v=1791730344 4-methylbenzyl chloride, 95.40% | 104-82-5 4-methylbenzyl chloride|C1031838|104-82-5 https://www.jk-sci.com/products/s57c4x-262229 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_42d3b956-5ff2-46d6-bca0-fe71fab78df6.png?v=1791708660 Ramelteon Impurity 29, Purity: 97.9% Ramelteon Impurity 29|C4X-262229 https://www.jk-sci.com/products/s57c1041580 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294441.png?v=1791730321 4-(Diethylamino)-2-butyn-1-ol, 98.50% | 10575-25-4 4-(Diethylamino)-2-butyn-1-ol|C1041580|10575-25-4 https://www.jk-sci.com/products/s57c1064305 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f880fef9b949db52d91857344942914.jpg?v=1791730272 Bexagliflozin, 98.50% | 1118567-05-7 Bexagliflozin|C1064305|1118567-05-7 https://www.jk-sci.com/products/s57c1101722 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607803.png?v=1791730231 Acetylmalononitrile, 97.50% | 1187-11-7 Acetylmalononitrile|C1101722|1187-11-7 https://www.jk-sci.com/products/s57c4x-26224 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_431e9993-1134-4866-a487-ffe321265820.png?v=1791708656 Ramelteon Impurity 4, Purity: 99.4% Ramelteon Impurity 4|C4X-26224 https://www.jk-sci.com/products/s57c1174615 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5da84b1ec1b2ffea079944015f45372.jpg?v=1791730126 Alectinib Hydrochloride, 98.40% | 1256589-74-8 Alectinib Hydrochloride|C1174615|1256589-74-8 https://www.jk-sci.com/products/s57c1178084 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369174.png?v=1791730120 Glyceryl trinonate, 98.40% | 126-53-4 Glyceryl trinonate|C1178084|126-53-4 https://www.jk-sci.com/products/s57c1293294 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd48869e9732015c73b84fcf4a3964bc.jpg?v=1791729948 Vericiguat Impurity N dihydrochloride, 96.80% | 1426309-48-9 Vericiguat Impurity N dihydrochloride|C1293294|1426309-48-9 https://www.jk-sci.com/products/s57c1547120 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590116.png?v=1791729459 1-Chloro-4-(3-chloropropyl)benzene, Purity: 100.0% | 64473-34-3 1-Chloro-4-(3-chloropropyl)benzene|C1547120|64473-34-3 https://www.jk-sci.com/products/s57c1710558 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24f96dfa3649fe1a3f760e1409772f7e.jpg?v=1791729109 2-Acetoxy-5-(2-bromoacetyl)benzyl acetate, 97.30% | 24085-07-2 2-Acetoxy-5-(2-bromoacetyl)benzyl acetate|C1710558|24085-07-2 https://www.jk-sci.com/products/s57c1725603 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590848_4c15c7ba-fa4f-4c8c-b76f-deb01068679a.png?v=1791729062 4-Hydroxy-3-pyridinesulfonic Acid, 96.60% | 51498-37-4 4-Hydroxy-3-pyridinesulfonic Acid|C1725603|51498-37-4 https://www.jk-sci.com/products/s57c1837607 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589024_b21bfcdd-732b-4c16-be0d-b3ecfbc02c48.png?v=1791728612 Methyl 2-chloroisonicotinate, Purity: 100.0% | 58481-11-1 Methyl 2-chloroisonicotinate|C1837607|58481-11-1 https://www.jk-sci.com/products/s57c1891690 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/673af867807615aca109a7cfd90b6a64.jpg?v=1791728437 6-Methyl-1,3-dihydrofuro[3,4-c]pyridin-7-o, 95.50% | 5196-20-3 6-Methyl-1,3-dihydrofuro[3,4-c]pyridin-7-o|C1891690|5196-20-3 https://www.jk-sci.com/products/s57c3d-2482 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508752_3f5cc5ca-22e5-4605-9fa4-9c32e8d14c5c.png?v=1791727952 Nα-(5-Fluoro-2,4-dinitrophenyl)-L-alaninamide, Purity: 99.3% | 95713-52-3 Nα-(5-Fluoro-2,4-dinitrophenyl)-L-alaninamide|C3D-2482|95713-52-3 https://www.jk-sci.com/products/s57c3d-25843 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398250.png?v=1791727915 4-Chloro-3,5-dinitrobenzotrifluoride, 97.90% | 393-75-9 4-Chloro-3,5-dinitrobenzotrifluoride|C3D-25843|393-75-9 https://www.jk-sci.com/products/s57c3d-25917 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0058f23e8e465ec4ed0ebab42d2d1098_4bf858ec-d00c-4b4d-b1f4-540874dcfe23.jpg?v=1791727851 Apramycin Sulfate, 66.80% | 65710-07-8 Apramycin Sulfate|C3D-25917|65710-07-8 https://www.jk-sci.com/products/s57c3d-4143 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06989bd5593e65b9dce65f35df98a7a6_4b96b3cd-50a7-4222-815a-8dd57a4ccdfb.jpg?v=1791727251 Sodium 4,4＇-oxybis(butane-1-sulfonate), 98.30% | 183278-30-0 Sodium 4,4＇-oxybis(butane-1-sulfonate)|C3D-4143|183278-30-0 https://www.jk-sci.com/products/s57c4x-262321 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_231e7956-9aeb-4177-b72e-7cf6c732386b.png?v=1791708651 Procaine Impurity 21, 95.60% Procaine Impurity 21|C4X-262321 https://www.jk-sci.com/products/s57c4x-10121 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0719d1a6870f718f9129105fecf9cc19.jpg?v=1791726295 Baclofen EP Impurity A, 95.60% | 22518-27-0 Baclofen EP Impurity A|C4X-10121|22518-27-0 https://www.jk-sci.com/products/s57c4x-10132 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83514e31d526a6bc0aac3d5b6a80083d.jpg?v=1791726280 Bicalutamide EP Impurity A, 99.10% | 90357-05-4 Bicalutamide EP Impurity A|C4X-10132|90357-05-4 https://www.jk-sci.com/products/s57c4x-22423 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71d0b0247493e5c6e9829d4ac499a16e.jpg?v=1791710173 Alendronic Acid Impurity 3, 99.40% | 73858-59-0 Alendronic Acid Impurity 3|C4X-22423|73858-59-0 https://www.jk-sci.com/products/s57c4x-22101 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d34480599b93db642b52f8bf8c5bd09e.jpg?v=1791710482 Tiamulin EP Impurity L, 99.60% | 31716-01-5 Tiamulin EP Impurity L|C4X-22101|31716-01-5 https://www.jk-sci.com/products/s57c4x-105665 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596702.png?v=1791725218 Vortioxetine Impurity 65, 95.20% | 18800-53-8 Vortioxetine Impurity 65|C4X-105665|18800-53-8 https://www.jk-sci.com/products/s57c4x-228713 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a7943e42b3dbfd82e7e4895b1fc5ba8.jpg?v=1791709889 Carteolol EP Impurity G, 95.40% | 54945-72-1 Carteolol EP Impurity G|C4X-228713|54945-72-1 https://www.jk-sci.com/products/s57c4x-22605 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a35263fe508d0dc550b36db38132fceb.jpg?v=1791710004 Baricitinib Impurity 5, 96.90% | 2271228-52-3 Baricitinib Impurity 5|C4X-22605|2271228-52-3 https://www.jk-sci.com/products/s57c4x-108539 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f9f7896c9bd3186b215e7cd1460e236.jpg?v=1791723944 Ambroxol Impurity 39, Purity: 96.0% | 1797894-71-3 Ambroxol Impurity 39|C4X-108539|1797894-71-3 https://www.jk-sci.com/products/s57c4x-108995 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402341.png?v=1791723744 Dabigatran Impurity 95, Purity: 97.3% | 3839-35-8 Dabigatran Impurity 95|C4X-108995|3839-35-8 https://www.jk-sci.com/products/s57c4x-23106 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823470750aa51ebb4b0274c0d183e1f2.jpg?v=1791709726 Carbidopa EP Impurity F, 95.20% | 1458640-32-8 Carbidopa EP Impurity F|C4X-23106|1458640-32-8 https://www.jk-sci.com/products/s57c4x-2339 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/786133_2c0c7b35-8fb9-4b8e-b083-ef30fe987056.png?v=1791709662 Rufinamide, Purity: 100.0% | 106308-44-5 Rufinamide|C4X-2339|106308-44-5 https://www.jk-sci.com/products/s57c4x-229718 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b42276ef-3c50-4546-b04b-775ba2cf78ab.png?v=1791709789 Tegoprazan Impurity 18, Purity: 99.7% | 942485-42-9 Tegoprazan Impurity 18|C4X-229718|942485-42-9 https://www.jk-sci.com/products/s57c4x-23832 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c92d1848dac914f1adfbfee1f5b8864.jpg?v=1791709611 Tenoxicam EP Impurity D, 99.30% | 52781-01-8 Tenoxicam EP Impurity D|C4X-23832|52781-01-8 https://www.jk-sci.com/products/s57c4x-1135116 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc00935f-daee-47b6-95f8-a91c79b50fd5.png?v=1791722030 Olaparib Impurity 116, 95.20% Olaparib Impurity 116|C4X-1135116 https://www.jk-sci.com/products/s57c4x-240935 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/985155f403598883223231e6ac0f697e.jpg?v=1791709445 Lifitegrast Impurity 35, 95.20% | 2295862-29-0 Lifitegrast Impurity 35|C4X-240935|2295862-29-0 https://www.jk-sci.com/products/s57c4x-24058 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9cb9cff5-c6dd-4653-852f-a4fb5c50e990.png?v=1791709476 Upadacitinib Impurity 8, 99.20% Upadacitinib Impurity 8|C4X-24058 https://www.jk-sci.com/products/s57c4x-116510 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fea4afa1322f11986b354840223c5fc.jpg?v=1791721353 Dexamethasone EP Impurity J, 90.50% | 2036-77-3 Dexamethasone EP Impurity J|C4X-116510|2036-77-3 https://www.jk-sci.com/products/s57c4x-240536 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71733ced-6db4-4d92-8e46-cf0c21de1a6a.png?v=1791709502 Upadacitinib Impurity 36, 91.70% Upadacitinib Impurity 36|C4X-240536 https://www.jk-sci.com/products/s57c4x-240311 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4a4c0e9df6dceb2a6a12680ab7e7b57.jpg?v=1791709562 Tibolone EP Impurity E, 96.10% | 105186-33-2 Tibolone EP Impurity E|C4X-240311|105186-33-2 https://www.jk-sci.com/products/s57c4x-241610 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f458253a-6d28-4d6e-bf7f-e3ff8cfb0833.png?v=1791709420 Cenobamate impurity 10, 95.40% Cenobamate impurity 10|C4X-241610 https://www.jk-sci.com/products/s57c4x-116543 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0b6ee3e4-ada5-4a72-8b31-4ae4c0f1c25f.png?v=1791721312 Dexamethasone Impurity 43, 97.30% Dexamethasone Impurity 43|C4X-116543 https://www.jk-sci.com/products/s57c4x-241918 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317259_bcf1fdfa-9b28-48f7-8eb0-d72956ec787c.png?v=1791709384 Adenosine Triphosphate, Purity: 96.4% | 56-65-5 Adenosine Triphosphate|C4X-241918|56-65-5 https://www.jk-sci.com/products/s57c4x-122221 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c69cf3452c436069a4065c0862b6e2b8.jpg?v=1791720433 Calcipotriol Impurity 21, 94.80% | 143032-85-3 Calcipotriol Impurity 21|C4X-122221|143032-85-3 https://www.jk-sci.com/products/s57c4x-242733 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdc6600346284e6aeb046fc02b1e86a1.jpg?v=1791709357 Piperazine Impurity 33, 99.70% | 2639426-95-0 Piperazine Impurity 33|C4X-242733|2639426-95-0 https://www.jk-sci.com/products/s57c4x-24304 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b010c98ce7d35f268bde7115c224500.jpg?v=1791709295 Perampanel Impurity 4, 99.20% | 380918-53-6 Perampanel Impurity 4|C4X-24304|380918-53-6 https://www.jk-sci.com/products/s57c4x-242937 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76bbc8c94daa89d6bc9b66ee9a4c54a1.jpg?v=1791709327 Relugolix Impurity 37, 97.70% | 1589503-93-4 Relugolix Impurity 37|C4X-242937|1589503-93-4 https://www.jk-sci.com/products/s57c4x-243517 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/426937_de261a3a-8957-4f1f-b8ff-227675a419cb.png?v=1791709259 Drotaverine Impurity 17, 99.60% | 2050-46-6 Drotaverine Impurity 17|C4X-243517|2050-46-6 https://www.jk-sci.com/products/s57c4x-12242 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6914f60e1c2d6af006e56c2ae82309c4_fe121d6c-d901-4f15-872f-088076c99c7c.jpg?v=1791720417 Cefradine EP Impurity A/Cefadroxil EP Impurity B, 99.90% | 22252-43-3 Cefradine EP Impurity A/Cefadroxil EP Impurity B|C4X-12242|22252-43-3 https://www.jk-sci.com/products/ts246cs-0108435 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622874.png?v=1791662707 (R)-1-[(SP)-2-[Bis(4-methoxy-3,5-dimethylphenyl)phosphino]ferrocenyl}ethyldi-tert-butylphosphine, 97.00%+ | 187733-50-2 (R)-1-[(SP)-2-[Bis(4-methoxy-3,5-dimethylphenyl)phosphino]ferrocenyl}ethyldi-tert-butylphosphine|CS-0108435|187733-50-2 https://www.jk-sci.com/products/s57c4x-133913 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c539f1cd286e3f07b6a9b57457eefb9.jpg?v=1791719097 Umeclidinium Impurity 13, 99.00% | 2253743-36-9 Umeclidinium Impurity 13|C4X-133913|2253743-36-9 https://www.jk-sci.com/products/s57c4x-24441 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c41c8cd6ca78a2f74b59dceb642db09e.jpg?v=1791709235 Methocarbamol Impurity 1, 99.50% | 10488-39-8 Methocarbamol Impurity 1|C4X-24441|10488-39-8 https://www.jk-sci.com/products/s57c4x-24586 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c85a55fa-49d2-4009-993b-74b522bfea04.png?v=1791709203 Perospirone Impurity 6 HCl, 94.30% Perospirone Impurity 6 HCl|C4X-24586 https://www.jk-sci.com/products/s57c4x-136421 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43482635459b18d7ab44634c3669f0d4.jpg?v=1791718673 Lercanidipine Impurity 21 HCl, 95.40% | 210579-71-8 Lercanidipine Impurity 21 HCl|C4X-136421|210579-71-8 https://www.jk-sci.com/products/s57c4x-2463 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/537623_46258190-e8e9-41fe-b7c4-87109cd1e7bf.png?v=1791709184 Bamethan Hemisulfate Salt, 95.10% | 5716-20-1 Bamethan Hemisulfate Salt|C4X-2463|5716-20-1 https://www.jk-sci.com/products/s57c4x-246624 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec34bc64-6a41-4a4e-b327-cf542619bde3.png?v=1791709166 Labetalol EP Impurity E, 91.50% Labetalol EP Impurity E|C4X-246624 https://www.jk-sci.com/products/s57c4x-246714 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_469e8464-89ef-4e1e-a6c7-409d9f92c994.png?v=1791709142 Pinaverium Bromide Impurity 14, 99.80% Pinaverium Bromide Impurity 14|C4X-246714 https://www.jk-sci.com/products/s57c4x-13965 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520155.png?v=1791718135 Azelastine EP Impurity E, 99.90% | 20526-97-0 Azelastine EP Impurity E|C4X-13965|20526-97-0 https://www.jk-sci.com/products/s57c4x-246910 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d520962745fa80e508e6ff2c7295b67e.jpg?v=1791709130 Meclofenoxate Impurity 10, 97.70% | 41944-93-8 Meclofenoxate Impurity 10|C4X-246910|41944-93-8 https://www.jk-sci.com/products/s57c4x-247838 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00014d2314ff14ce6754fe6b714d2fb8.jpg?v=1791709119 Lasmiditan HCl, 98.50% | 613677-28-4 Lasmiditan HCl|C4X-247838|613677-28-4 https://www.jk-sci.com/products/s57c1142258 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b878be30205fb224a51ad1e1ea63f190.jpg?v=1791730151 (3R,5R)-3-(Boc-amino)-5-Methylpiperidine, 95.00% | 1227919-32-5 (3R,5R)-3-(Boc-amino)-5-Methylpiperidine|C1142258|1227919-32-5 https://www.jk-sci.com/products/s57c4x-24858 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_32bcbfcd-8c8d-40e6-b8dc-78fab80bc95b.png?v=1791709098 Evocalcet Impurity 8, 96.60% Evocalcet Impurity 8|C4X-24858 https://www.jk-sci.com/products/s57c1225941 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546908.png?v=1791730047 Menthyl anthranilate, Purity: 100.0% | 134-09-8 Menthyl anthranilate|C1225941|134-09-8 https://www.jk-sci.com/products/s57c4x-24882 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316206_8d66ebb9-8c15-4c55-a85e-41a8831bcb57.png?v=1791709068 Glucosamine EP Impurity E, 94.90% | 67-47-0 Glucosamine EP Impurity E|C4X-24882|67-47-0 https://www.jk-sci.com/products/s57c4x-2494130 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca279090ea2d3c3a6df1a2d6bbba8f93.jpg?v=1791709043 Dotinurad Impurity 130, 98.70% | 1368227-41-1 Dotinurad Impurity 130|C4X-2494130|1368227-41-1 https://www.jk-sci.com/products/s57c4x-24939 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e922174565e16f3577ef5a84b2eba305.jpg?v=1791709054 2-[Carboxymethyl(nitroso)amino]acetic acid, 93.30% | 25081-31-6 2-[Carboxymethyl(nitroso)amino]acetic acid|C4X-24939|25081-31-6 https://www.jk-sci.com/products/s57c4x-249424 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73dfaaa8fc843f5e98f12f22f55fc02e.jpg?v=1791709027 Dotinurad Impurity 24, 98.20% | 4433-53-8 Dotinurad Impurity 24|C4X-249424|4433-53-8 https://www.jk-sci.com/products/s57c4x-248738 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f729fe44f390c07f6237f4dba0b90b10.jpg?v=1791709082 Rimegepant Impurity 38, 98.10% | 1373116-05-2 Rimegepant Impurity 38|C4X-248738|1373116-05-2 https://www.jk-sci.com/products/s57c1391398 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56d95c3b26dc3b852cf161ff2460746c.jpg?v=1791729705 2-[(2-Chloro-4-nitrophenoxy)methyl]pyridine, Purity: 100.0% | 179687-79-7 2-[(2-Chloro-4-nitrophenoxy)methyl]pyridine|C1391398|179687-79-7 https://www.jk-sci.com/products/s57c4x-249438 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d5af478b-8e6d-4c5a-8e13-635e19431723.png?v=1791709013 Dotinurad Impurity 38, 90.60% Dotinurad Impurity 38|C4X-249438 https://www.jk-sci.com/products/s57c1425520 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aab0376c7b8e91de988259b0c7db7a63.jpg?v=1791729682 ethyl 1-(2-ethoxy-2-oxoethyl)piperidine-4-carboxylate, 95.70% | 1838-39-7 ethyl 1-(2-ethoxy-2-oxoethyl)piperidine-4-carboxylate|C1425520|1838-39-7 https://www.jk-sci.com/products/s57c1492499 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217080_a5cb69b3-b152-4ee2-b3ba-f19311a12752.png?v=1791729578 (R)-2-Methyl Proline | 63399-77-9 (R)-2-Methyl Proline|C1492499|63399-77-9 https://www.jk-sci.com/products/s57c4x-249464 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b2c77ee0-0bb7-4cf8-a0bb-7418cc5b983d.png?v=1791708983 Dotinurad Impurity 64, 92.80% Dotinurad Impurity 64|C4X-249464 https://www.jk-sci.com/products/s57c4x-249448 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3ad70008-c1df-4a62-97e8-c3f59ee667d2.png?v=1791709001 Dotinurad Impurity 48, 99.10% Dotinurad Impurity 48|C4X-249448 https://www.jk-sci.com/products/s57c4x-249529 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cae00f74-798c-4937-b796-5f4df7a2d1c2.png?v=1791708973 Venetoclax Impurity 29, Purity: 100.0% Venetoclax Impurity 29|C4X-249529 https://www.jk-sci.com/products/s57c4x-250325 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47381cc0ffe504c58fb358cf56f18c21.jpg?v=1791708959 5-(Phenylamino)-2,4-Pentadienal, 99.70% | 17432-66-5 5-(Phenylamino)-2,4-Pentadienal|C4X-250325|17432-66-5 https://www.jk-sci.com/products/s57c4x-25035 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593562_a56521d4-b0cc-42b1-86cf-5256f5f9d26e.png?v=1791708949 Indocyanine Green, 92.30% | 3599-32-4 Indocyanine Green|C4X-25035|3599-32-4 https://www.jk-sci.com/products/s57c4x-250339 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5256661d907849c21f900a9aba9e9651.jpg?v=1791708954 Indocyanine Green Impurity 39, Purity: 99.9% | 2589435-65-2 Indocyanine Green Impurity 39|C4X-250339|2589435-65-2 https://www.jk-sci.com/products/s57c1528689 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dce5248832186bca72509d282a631bf1.jpg?v=1791729503 1-(Piperidin-2-yl)propan-2-one hydrochloride, Purity: 100.0% | 5984-61-2 1-(Piperidin-2-yl)propan-2-one hydrochloride|C1528689|5984-61-2 https://www.jk-sci.com/products/s57c4x-25082 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343587_991e4a58-e6a5-40b5-b986-a1b5ded09aa8.png?v=1791708933 Maropitant Impurty 2(M11), Purity: 98.9% | 85943-26-6 Maropitant Impurty 2(M11)|C4X-25082|85943-26-6 https://www.jk-sci.com/products/s57c1620002 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9de73a492426aaf9105833c174a4494e.jpg?v=1791729281 2-Chloro-1-propanamine Hydrochloride, 98.10% | 6266-35-9 2-Chloro-1-propanamine Hydrochloride|C1620002|6266-35-9 https://www.jk-sci.com/products/s57c1630962 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107719.png?v=1791729257 3-Hydroxy-1-methylpyrrolidine-2,5-dione, Purity: 99.8% | 19948-27-7 3-Hydroxy-1-methylpyrrolidine-2,5-dione|C1630962|19948-27-7 https://www.jk-sci.com/products/s57c1634403 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c649d1f8-7497-4189-a0da-67e5702d82bf.png?v=1791729251 2-Methyl-3H-benzo[e]indole, Purity: 99.6% | 57582-31-7 2-Methyl-3H-benzo[e]indole|C1634403|57582-31-7 https://www.jk-sci.com/products/s57c4x-25191 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fa01d824228807969cfaeba2a17984f_835c50bf-7d08-4cc7-96ac-f2ac2affdea4.jpg?v=1791708927 Ensitrelvir Impurity 1, 99.80% | 1360105-53-8 Ensitrelvir Impurity 1|C4X-25191|1360105-53-8 https://www.jk-sci.com/products/s57c4x-252012 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb13246d-b3e2-4199-bfbd-c455fef4fa4f.png?v=1791708912 Pitolisant impurity 12, 97.20% Pitolisant impurity 12|C4X-252012 https://www.jk-sci.com/products/s57c4x-2520 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d479d9df3a3f82685b986a5aeed0b2f8.jpg?v=1791708920 Pitolisant, 96.60% | 362665-56-3 Pitolisant|C4X-2520|362665-56-3 https://www.jk-sci.com/products/s57c4x-2535 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fec866585bfd16d2270cabb83a08b04_cec09654-9b31-4141-a84c-61dae5411de2.jpg?v=1791708858 Cryptochlorogenic Acid, 80.90% | 905-99-7 Cryptochlorogenic Acid|C4X-2535|905-99-7 https://www.jk-sci.com/products/s57c4x-25209 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79dd61aa-fbd4-49f5-9636-8237b55bd652.png?v=1791708872 Pitolisant impurity 9, 97.70% Pitolisant impurity 9|C4X-25209 https://www.jk-sci.com/products/s57c4x-252018 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_334631b6-7a33-4a19-8a65-7a132dc7b26b.png?v=1791708907 Pitolisant impurity 18, 96.80% Pitolisant impurity 18|C4X-252018 https://www.jk-sci.com/products/s57c4x-252025 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63102ea013dd9cefdc41f6b990d0b805.jpg?v=1791708902 Pitolisant impurity 25, 96.70% | 2307451-04-1 Pitolisant impurity 25|C4X-252025|2307451-04-1 https://www.jk-sci.com/products/s57c4x-25203 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_29e2a76a-5a9b-43ae-bd0c-665e02313c92.png?v=1791708891 Pitolisant impurity 3, 92.00% Pitolisant impurity 3|C4X-25203 https://www.jk-sci.com/products/s57c4x-253619 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dd0e7a9b6339aa71eefc89e01175235.jpg?v=1791708848 L-Ornithine L-Aspartate Impurity 19, Purity: 100.0% | 60259-82-7 L-Ornithine L-Aspartate Impurity 19|C4X-253619|60259-82-7 https://www.jk-sci.com/products/s57c1653819 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114213.png?v=1791729229 3-(Aminomethyl)benzoic Acid Hydrochloride, 96.50% | 876-03-9 3-(Aminomethyl)benzoic Acid Hydrochloride|C1653819|876-03-9 https://www.jk-sci.com/products/s57c1796878 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7bd91252967352aded8a38cf03651e7.jpg?v=1791728872 Decarboxy carnosine DiHCl | 57022-38-5 Decarboxy carnosine DiHCl|C1796878|57022-38-5 https://www.jk-sci.com/products/s57c4x-25205 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0842b4bf-1c93-48ca-ba3d-c6df618c7cf1.png?v=1791708887 Pitolisant impurity 5, 97.40% Pitolisant impurity 5|C4X-25205 https://www.jk-sci.com/products/s57c1850018 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec7a3b0272575586bf04c6c11448fe45.jpg?v=1791728576 Sultopride, Purity: 99.8% | 53583-79-2 Sultopride|C1850018|53583-79-2 https://www.jk-sci.com/products/s57c3d-2396 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513977_c36cea26-83e5-451e-9722-a566c3a129c9.png?v=1791727966 1-Phenyl-1-propanol, 97.60% | 93-54-9 1-Phenyl-1-propanol|C3D-2396|93-54-9 https://www.jk-sci.com/products/s57c4x-25372 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612250_69081035-3948-4a96-8981-8dd125e37fb9.png?v=1791708834 Ammonium Glycyrrhizate, 91.30% | 53956-04-0 Ammonium Glycyrrhizate|C4X-25372|53956-04-0 https://www.jk-sci.com/products/s57c4x-25365 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a187fe5ef1846d2594703babcf12be85.jpg?v=1791708842 L-Ornithine L-Aspartate Impurity 6, 90.20% | 1174925-92-8 L-Ornithine L-Aspartate Impurity 6|C4X-25365|1174925-92-8 https://www.jk-sci.com/products/s57c4x-25512 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243723_92e0b3c1-5a4e-42e3-af7b-3fe617587c65.png?v=1791708828 D-Glucose monohydrate, 99.00% | 14431-43-7 D-Glucose monohydrate|C4X-25512|14431-43-7 https://www.jk-sci.com/products/s57c4x-25534 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291315_b2ca5794-bfb6-4a71-a34b-f2ee2efde77e.png?v=1791708819 2-Methyl-2-imidazoline, Purity: 100.0% | 534-26-9 2-Methyl-2-imidazoline|C4X-25534|534-26-9 https://www.jk-sci.com/products/s57c4x-25623 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fa3b7b1dbb7ca6bb83be965be63dd69.jpg?v=1791708807 5-oxo-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate Disodium Salt, 90.30% | 3473-75-4 5-oxo-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate Disodium Salt|C4X-25623|3473-75-4 https://www.jk-sci.com/products/s57c4x-25553 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e0046853-caf1-4546-9d46-350891d2f82b.png?v=1791708812 Bicyclic Chinese Pharmacopoeia Impurity 2, 98.10% Bicyclic Chinese Pharmacopoeia Impurity 2|C4X-25553 https://www.jk-sci.com/products/s57c3d-4457 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296317_0a016cd7-5bf1-4f57-a5cf-427bcc78d2e0.png?v=1791727157 4-Methyloctane, Purity: 100.0% | 2216-34-4 4-Methyloctane|C3D-4457|2216-34-4 https://www.jk-sci.com/products/s57c3d-6170 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31546ed60c4c3b2152dc92724ae657c9.jpg?v=1791726641 [1,1'-Biphenyl]-3-yl(phenyl)methanone, Purity: 99.6% | 3378-09-4 [1,1'-Biphenyl]-3-yl(phenyl)methanone|C3D-6170|3378-09-4 https://www.jk-sci.com/products/s57c4x-104340 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123765.png?v=1791725564 Celecoxib Impurity 40, Purity: 100.0% | 4392-54-5 Celecoxib Impurity 40|C4X-104340|4392-54-5 https://www.jk-sci.com/products/s57c4x-25693 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d5e0e46-23f1-48d0-b515-b757e94b1ef6.png?v=1791708799 Paraben Impurity 3, 95.80% Paraben Impurity 3|C4X-25693 https://www.jk-sci.com/products/s57c4x-106314 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5b65b3dfad49036565b72af096f173.jpg?v=1791724994 Edoxaban Impurity 14, 87.00% | 2244103-96-4 Edoxaban Impurity 14|C4X-106314|2244103-96-4 https://www.jk-sci.com/products/s57c4x-25833 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435076_f9366015-ff59-484d-b0f2-7e2d9647d6c8.png?v=1791708769 Phenylbutyrate EP Impurity B, 97.10% | 529-34-0 Phenylbutyrate EP Impurity B|C4X-25833|529-34-0 https://www.jk-sci.com/products/s57c4x-258316 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dfc036eb-f686-4761-bdec-877e0366895e.png?v=1791708778 Phenylbutyrate Impurity 16, Purity: 97.3% Phenylbutyrate Impurity 16|C4X-258316 https://www.jk-sci.com/products/s57c4x-25791 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326563_dfbe5c23-209f-41c3-b139-1cdedebd4e38.png?v=1791708794 4-Aminobenzyl Alcohol, Purity: 99.5% | 623-04-1 4-Aminobenzyl Alcohol|C4X-25791|623-04-1 https://www.jk-sci.com/products/s57c4x-107142 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c77da708da8ff63a27518b167722b304.jpg?v=1791724627 Axitinib Impurity 42, 96.70% | 808142-24-7 Axitinib Impurity 42|C4X-107142|808142-24-7 https://www.jk-sci.com/products/s57c4x-25961 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315965_72f542f5-eb40-4877-95a5-30b56270f6b1.png?v=1791708757 1-(Chloromethyl)naphthalene, 99.50% | 86-52-2 1-(Chloromethyl)naphthalene|C4X-25961|86-52-2 https://www.jk-sci.com/products/s57c4x-10852 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90062d92377cf6065e1959a0db91d84f.jpg?v=1791723962 Ambroxol EP Impurity B, 92.10% | 18683-95-9 Ambroxol EP Impurity B|C4X-10852|18683-95-9 https://www.jk-sci.com/products/s57c4x-2606 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60f9e41b6d5ffda5f932543270f46701.jpg?v=1791708752 Pretomanid, 99.50% | 187235-37-6 Pretomanid|C4X-2606|187235-37-6 https://www.jk-sci.com/products/s57c4x-26083 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/503618_4f4502cb-bb0f-4760-9007-a720e980833f.png?v=1791708736 2'-Fluoro-6'-hydroxyacetophenone, 99.00% | 93339-98-1 2'-Fluoro-6'-hydroxyacetophenone|C4X-26083|93339-98-1 https://www.jk-sci.com/products/s57c4x-26067 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1c45fe5a-624a-4cce-9d6e-07e99367890e.png?v=1791708746 Pretomanid Impurity 7, 97.40% Pretomanid Impurity 7|C4X-26067 https://www.jk-sci.com/products/s57c4x-26088 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317508_f44f2621-7b12-4833-833d-851ae13377c9.png?v=1791708730 5-Fluoro-2-hydroxyphenyl(methyl) ketone, 98.50% | 394-32-1 5-Fluoro-2-hydroxyphenyl(methyl) ketone|C4X-26088|394-32-1 https://www.jk-sci.com/products/s57c4x-262110 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70288635-5943-4bb5-a1b9-7de952c9db72.png?v=1791708704 Landiolol Impurity 10, 97.20% Landiolol Impurity 10|C4X-262110 https://www.jk-sci.com/products/s57c4x-260915 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b61a0e0a92201a88163c62ee3a51454.jpg?v=1791708727 Ethacridine Lactate Impurity 15, 98.90% | 74859-51-1 Ethacridine Lactate Impurity 15|C4X-260915|74859-51-1 https://www.jk-sci.com/products/s57c4x-262133 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd160627-cbfd-4584-9573-a169f8bc1ddf.png?v=1791708691 Landiolol Impurity 33, Purity: 97.9% Landiolol Impurity 33|C4X-262133 https://www.jk-sci.com/products/s57c4x-26181 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7ab4f8a0-805b-4981-9e1c-e09fc0a063de.png?v=1791708713 Gadoxetate Impurity 1, 89.80% Gadoxetate Impurity 1|C4X-26181 https://www.jk-sci.com/products/s57c4x-262149 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8169a04e-963c-48a0-9416-773ba818ca53.png?v=1791708687 Landiolol Impurity 49, Purity: 99.5% Landiolol Impurity 49|C4X-262149 https://www.jk-sci.com/products/s57c4x-26218 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d0c5da4-3674-47d1-960d-e89729c18166.png?v=1791708682 Landiolol Impurity 8 HCl, 94.60% Landiolol Impurity 8 HCl|C4X-26218 https://www.jk-sci.com/products/s57c4x-26228 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_219322b5-2d31-43fc-8dcf-937577cb2814.png?v=1791708652 Ramelteon Impurity 8, 98.70% Ramelteon Impurity 8|C4X-26228 https://www.jk-sci.com/products/s57c4x-115569 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_794a2382-e73f-4afb-b6ae-fada2088d1c3.png?v=1791721543 Sitafloxacin Impurity 69, 81.00% Sitafloxacin Impurity 69|C4X-115569 https://www.jk-sci.com/products/s57c4x-26221 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/751832f5301e74ebeafd32af1e1cc4dd.jpg?v=1791708671 Ramelteon Metabolite M-II, 97.50% | 896736-21-3 Ramelteon Metabolite M-II|C4X-26221|896736-21-3 https://www.jk-sci.com/products/s57c4x-262215 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b2aee64817cde30c1a47120f5515b13.jpg?v=1791708667 Ramelteon Impurity 15, Purity: 99.7% | 880152-61-4 Ramelteon Impurity 15|C4X-262215|880152-61-4 https://www.jk-sci.com/products/s57c4x-26234 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8c7240d3-688d-4c91-a36f-5a4e8c15affa.png?v=1791708647 Procaine Impurity 4 HCl, 98.10% Procaine Impurity 4 HCl|C4X-26234 https://www.jk-sci.com/products/s57c4x-116942 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9540e90336fb1ba98556aa2bc1a62f55.jpg?v=1791721159 Rosuvastatin Impurity 42, 99.20% | 851443-04-4 Rosuvastatin Impurity 42|C4X-116942|851443-04-4 https://www.jk-sci.com/products/s57c4x-26281 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360664_150bbf0b-aaeb-44e5-80ee-0e0d0506b7fa.png?v=1791708646 Methyl 6-Hydroxy-2-naphthoate, 98.50% | 17295-11-3 Methyl 6-Hydroxy-2-naphthoate|C4X-26281|17295-11-3 https://www.jk-sci.com/products/s57c4x-12342 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920192_cc5013a2-106a-447c-9b4d-bbf352fb6831.png?v=1791720304 Candesartan Cilexetil EP Impurity B, 95.70% | 869631-11-8 Candesartan Cilexetil EP Impurity B|C4X-12342|869631-11-8 https://www.jk-sci.com/products/s57c4x-26283 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385523_56d1dc8a-be86-4c7e-82d0-54355e6fed19.png?v=1791708641 4-Guanidinobenzoic acid hydrochloride, 99.30% | 42823-46-1 4-Guanidinobenzoic acid hydrochloride|C4X-26283|42823-46-1 https://www.jk-sci.com/products/s57c4x-124455 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31851acb71fd91c111d57f68d7234b47.jpg?v=1791720001 Quetiapine Impurity 55, Purity: 99.5% | 54920-98-8 Quetiapine Impurity 55|C4X-124455|54920-98-8 https://www.jk-sci.com/products/s57c4x-13011 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fee8cd82c96b6adbc153446230366e5.jpg?v=1791719541 Desonide Impurity 1(Desonide 9, 11-Epoxide), 97.30% | 39672-75-8 Desonide Impurity 1(Desonide 9, 11-Epoxide)|C4X-13011|39672-75-8 https://www.jk-sci.com/products/s57c4x-26341 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117840.png?v=1791708639 Sodium DL-Lactate, 92.60% | 72-17-3 Sodium DL-Lactate|C4X-26341|72-17-3 https://www.jk-sci.com/products/s57c4x-131250 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85673358-877a-4cfa-9aac-fa3683a68a76.png?v=1791719435 Pregabalin Impurity 50, 94.70% Pregabalin Impurity 50|C4X-131250 https://www.jk-sci.com/products/s57c4x-15177 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313217_6cdbd1ef-e84c-47a4-9055-a27884dbac3e.png?v=1791716258 Glycopyrronium Bromide EP Impurity H, 97.90% | 15206-55-0 Glycopyrronium Bromide EP Impurity H|C4X-15177|15206-55-0 https://www.jk-sci.com/products/s57c4x-26381 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563fa00acd3b3474aa04524f862d9e09.jpg?v=1791708634 Ethoxysulfonyl Chloride, 92.10% | 625-01-4 Ethoxysulfonyl Chloride|C4X-26381|625-01-4 https://www.jk-sci.com/products/s57c4x-263914 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d98e322208d568da862e8068e9b5214.jpg?v=1791708630 Butoxybenzene Impurity 14, 99.60% | 4006-70-6 Butoxybenzene Impurity 14|C4X-263914|4006-70-6 https://www.jk-sci.com/products/s57c4x-15183 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1c41cdc1-083f-471d-bf62-4a1141f4e67f.png?v=1791716239 N-(2-aminoethyl)-5-(1,2-dithiolan-3-yl)pentanamide hydrochloride, 97.70% N-(2-aminoethyl)-5-(1,2-dithiolan-3-yl)pentanamide hydrochloride|C4X-15183 https://www.jk-sci.com/products/s57c4x-26394 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578268.png?v=1791708626 1-(4-butoxyphenyl)ethanone, 98.10% | 5736-89-0 1-(4-butoxyphenyl)ethanone|C4X-26394|5736-89-0 https://www.jk-sci.com/products/s57c4x-2640 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122980.png?v=1791708623 flufenamic acid, 99.30% | 530-78-9 flufenamic acid|C4X-2640|530-78-9 https://www.jk-sci.com/products/s57c4x-26425 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3902fb85-9696-4bd1-980d-354d7a5c02c6.png?v=1791708618 Vinorelbine EP Impurity D, 91.40% Vinorelbine EP Impurity D|C4X-26425 https://www.jk-sci.com/products/s57c4x-26471 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce0dce5047626a413881c249bb73433c.jpg?v=1791708617 Monomethyl Auristatin F, 94.50% | 745017-94-1 Monomethyl Auristatin F|C4X-26471|745017-94-1 https://www.jk-sci.com/products/s57c1025852 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/280138_a41d8ae0-e86b-4eaf-b590-f3712f2dba76.png?v=1791730356 Prilocaine Impurity 01, 99.60% | 103-89-9 Prilocaine Impurity 01|C1025852|103-89-9 https://www.jk-sci.com/products/s57c4x-27441 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/280853.png?v=1791708612 Dantrolene Impurity 1, 99.90% | 7147-77-5 Dantrolene Impurity 1|C4X-27441|7147-77-5 https://www.jk-sci.com/products/s57c4x-27467 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d5bc0df3-3460-4639-869a-12e26c0455b1.png?v=1791708607 N-Nitroso Bambuterol, 97.00% N-Nitroso Bambuterol|C4X-27467 https://www.jk-sci.com/products/s57c1115911 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/583b7534c7ebb92a6b19ff1b6aa80999.jpg?v=1791730194 Tazobactam USP Related Compound A, 100.00% | 118175-11-4 Tazobactam USP Related Compound A|C1115911|118175-11-4 https://www.jk-sci.com/products/s57c4x-2747 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/287744_3d2535bf-4e8d-4dea-9fad-144b2ec857fa.png?v=1791708603 Gemifloxacin Mesylate, Purity: 99.3% | 210353-53-0 Gemifloxacin Mesylate|C4X-2747|210353-53-0 https://www.jk-sci.com/products/s57c4x-27487 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43b0db0308dab0fe29ad15fcd46e8c43.jpg?v=1791708602 Tetrabenazine Impurity 7, 93.40% | 1187-87-7 Tetrabenazine Impurity 7|C4X-27487|1187-87-7 https://www.jk-sci.com/products/s57c4x-2749 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a93cae650aef5671dd89c3effa9efdc7.jpg?v=1791708597 Apalutamide, 99.80% | 956104-40-8 Apalutamide|C4X-2749|956104-40-8 https://www.jk-sci.com/products/s57c1348454 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598d67cc3698d4635ba116e33ee8d402.jpg?v=1791729799 Cycloserine Impurity N1, 87.70% | 15996-22-2 Cycloserine Impurity N1|C1348454|15996-22-2 https://www.jk-sci.com/products/s57c1416974 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7245b2661db9a29adfa000e6f22e2d7.jpg?v=1791729698 8-Fluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol, 96.40% | 1820001-80-6 8-Fluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol|C1416974|1820001-80-6 https://www.jk-sci.com/products/s57c4x-274911 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa56f5627cb0dfd0722afd2efb939359.jpg?v=1791708592 Apalutamide Impurity 11, 97.00% | 1332391-92-0 Apalutamide Impurity 11|C4X-274911|1332391-92-0 https://www.jk-sci.com/products/s57c1591100 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eaf9a0a44b165f80cb9af628ddc49fb.jpg?v=1791729396 2-(tert-Butyl)-1,4-dimethoxybenzene, 99.10% | 21112-37-8 2-(tert-Butyl)-1,4-dimethoxybenzene|C1591100|21112-37-8 https://www.jk-sci.com/products/s57c1596418 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380425_d137887d-a797-4f1a-9190-b1dd54b1cc6c.png?v=1791729378 2,3-Dichloropropanoyl chloride, 86.90% | 7623-13-4 2,3-Dichloropropanoyl chloride|C1596418|7623-13-4 https://www.jk-sci.com/products/s57c1598749 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4d43ef69328c60dba67fd8e1952a02f.jpg?v=1791729358 2,4-Dichloro-5-methylbenzoic acid, 96.40% | 6660-59-9 2,4-Dichloro-5-methylbenzoic acid|C1598749|6660-59-9 https://www.jk-sci.com/products/s57c1676555 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a407dd4647eb9ef403f1632546b6fdf7.jpg?v=1791729161 Trametinib impurity 02, 99.20% | 871700-32-2 Trametinib impurity 02|C1676555|871700-32-2 https://www.jk-sci.com/products/s57c1825122 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213124.png?v=1791728720 Gliclazide Impurity 1, 98.40% | 58108-05-7 Gliclazide Impurity 1|C1825122|58108-05-7 https://www.jk-sci.com/products/s57c4x-274918 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_184de293-164e-4583-9f2e-466f40729051.png?v=1791708594 Apalutamide Impurity 18, 95.00% Apalutamide Impurity 18|C4X-274918 https://www.jk-sci.com/products/s57c1912838 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534905.png?v=1791728334 2-Bromo-2-methylpropanoic acid, 97.40% | 2052-01-9 2-Bromo-2-methylpropanoic acid|C1912838|2052-01-9 https://www.jk-sci.com/products/s57c3d-25890 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120121.png?v=1791727877 3-Fluorobenzyl Cyanide, Purity: 98.5% | 501-00-8 3-Fluorobenzyl Cyanide|C3D-25890|501-00-8 https://www.jk-sci.com/products/s57c4x-274936 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_050b1ce8-82c1-4cda-b1d3-b28f62b76138.png?v=1791708586 Apalutamide Impurity 36, 97.10% Apalutamide Impurity 36|C4X-274936 https://www.jk-sci.com/products/s57c3d-2811 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/528554.png?v=1791727610 Fmoc-OSu, 95.10% | 82911-69-1 Fmoc-OSu|C3D-2811|82911-69-1 https://www.jk-sci.com/products/s57c4x-274938 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6a303db-b808-4328-8fb4-48189cf26f9f.png?v=1791708582 Apalutamide Impurity 38, 98.00% Apalutamide Impurity 38|C4X-274938 https://www.jk-sci.com/products/s57c3d-4447 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609875.png?v=1791727162 Octaethylene Glycol Monotetradecyl Ether, 98.50% | 27847-86-5 Octaethylene Glycol Monotetradecyl Ether|C3D-4447|27847-86-5 https://www.jk-sci.com/products/s57c3d-4656 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130448.png?v=1791727123 3-Mercaptopropionic Acid, 94.80% | 107-96-0 3-Mercaptopropionic Acid|C3D-4656|107-96-0 https://www.jk-sci.com/products/s57c3d-5995 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796322_6045fc66-1b11-4041-9b92-2f1a35c99abe.png?v=1791726731 3,5-Dioxocyclohexanecarboxylicacid, Purity: 99.7% | 42858-60-6 3,5-Dioxocyclohexanecarboxylicacid|C3D-5995|42858-60-6 https://www.jk-sci.com/products/s57c3d-6128 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417879_2f341e22-3b5e-4c9f-b34e-16665593be75.png?v=1791726667 Diethylene glycol Mono-Methacrylate, 92.20% | 2351-43-1 Diethylene glycol Mono-Methacrylate|C3D-6128|2351-43-1 https://www.jk-sci.com/products/s57c4x-274954 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3509ffa04cdea37fae599476583a71cb.jpg?v=1791708582 Apalutamide Impurity 54, Purity: 98.6% | 1332389-57-7 Apalutamide Impurity 54|C4X-274954|1332389-57-7 https://www.jk-sci.com/products/s57c4x-1007 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427629_1a5c78ed-b955-43c0-b270-82ed9528292d.png?v=1791726470 Argatroban, 99.80% | 141396-28-3 Argatroban|C4X-1007|141396-28-3 https://www.jk-sci.com/products/s57c4x-101721 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d9611a558fb4bac25b14d7e12a4db6e_a8e66ee0-7e81-412e-93b0-1d361385d9ca.jpg?v=1791726222 Vardenafil Impurity 21, Purity: 98.7% | 927690-90-2 Vardenafil Impurity 21|C4X-101721|927690-90-2 https://www.jk-sci.com/products/s57c4x-274963 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a208eb52207ddc5c226581966effacd8.jpg?v=1791708576 Apalutamide Impurity 63, 98.90% | 199330-60-4 Apalutamide Impurity 63|C4X-274963|199330-60-4 https://www.jk-sci.com/products/s57c4x-105565 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bfd5a9bd-a7f7-488c-9789-cb9025d0e375.png?v=1791725271 Topiroxostat Impurity 65, Purity: 97.5% Topiroxostat Impurity 65|C4X-105565 https://www.jk-sci.com/products/s57c4x-274972 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d72594f4eb79d000581575aa97fd838d.jpg?v=1791708573 Apalutamide Impurity 72, Purity: 99.7% | 1950587-19-5 Apalutamide Impurity 72|C4X-274972|1950587-19-5 https://www.jk-sci.com/products/s57c4x-106538 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c8e110816c66bbbd47f7d4be957ae91.jpg?v=1791724805 Empagliflozin Impurity 38, 92.60% | 2125472-55-9 Empagliflozin Impurity 38|C4X-106538|2125472-55-9 https://www.jk-sci.com/products/s57c4x-108323 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb52a5affa08a97b185ce602d6b34aed.jpg?v=1791724062 rac Cetirizine N-Oxide (Mixture of Diastereomers), 90.10% | 1076199-80-8 rac Cetirizine N-Oxide (Mixture of Diastereomers)|C4X-108323|1076199-80-8 https://www.jk-sci.com/products/s57c4x-1087 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276530_f643cbb0-3768-403c-bf42-0c64543444ea.png?v=1791723918 Tadalafil, 98.20% | 171596-29-5 Tadalafil|C4X-1087|171596-29-5 https://www.jk-sci.com/products/s57c4x-27499 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf8cafb6ef1fc67946755a5d6d630583.jpg?v=1791708568 Apalutamide Impurity 9, 97.60% | 2894796-78-0 Apalutamide Impurity 9|C4X-27499|2894796-78-0 https://www.jk-sci.com/products/s57c4x-124825 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b05de93fef2874bd2d3d63bc96e48e7.jpg?v=1791719911 Valaciclovir EP Impurity C(hydrochloride), Purity: 97.9% | 1346617-39-7 Valaciclovir EP Impurity C(hydrochloride)|C4X-124825|1346617-39-7 https://www.jk-sci.com/products/s57c4x-125287 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_21845649-be46-4d83-ac8b-4387bf2a13fa.png?v=1791719841 Perindopril Impurity 87 t-Butylamine, Purity: 96.6% Perindopril Impurity 87 t-Butylamine|C4X-125287 https://www.jk-sci.com/products/s57c4x-13622 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48847ae882d93634cdda4f787f5d1474.jpg?v=1791718697 Ciprofloxacin EP Impurity B(HCl), 92.40% | 2727369-47-1 Ciprofloxacin EP Impurity B(HCl)|C4X-13622|2727369-47-1 https://www.jk-sci.com/products/s57c4x-13711 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b77ad3c45b5c32e2ca6a6f67b29c6710.jpg?v=1791718535 Levofloxacin Desethylene Diformyl Impurity, 93.50% | 151377-74-1 Levofloxacin Desethylene Diformyl Impurity|C4X-13711|151377-74-1 https://www.jk-sci.com/products/s57c4x-151814 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823c9b7c08a32bdcb745e50a0f0f3eb4.jpg?v=1791716247 Thioctic Acid ethyl ester, 98.20% | 46353-61-1 Thioctic Acid ethyl ester|C4X-151814|46353-61-1 https://www.jk-sci.com/products/s57c4x-27582 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd577f9ccb9a26bb827b9ad0f23073f8.jpg?v=1791708563 Brivudine Impurity 2, 97.00% | 765235-25-4 Brivudine Impurity 2|C4X-27582|765235-25-4 https://www.jk-sci.com/products/s57c4x-1681 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117456.png?v=1791714959 Lisinopril Dihydrate, 99.00% | 83915-83-7 Lisinopril Dihydrate|C4X-1681|83915-83-7 https://www.jk-sci.com/products/s57c1023343 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c842d03b7796252cefb6fe48c3d680e1.jpg?v=1791730362 Saxagliptin Impurity N1, 92.50% | 102502-64-7 Saxagliptin Impurity N1|C1023343|102502-64-7 https://www.jk-sci.com/products/s57c1109716 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220450002168fb8b6c426134b834a63e.jpg?v=1791730198 Testosterone Impurity N6, 93.30% | 119698-27-0 Testosterone Impurity N6|C1109716|119698-27-0 https://www.jk-sci.com/products/s57c1537345 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d3d57bac125b0812b4915a5e0295e0c.jpg?v=1791729479 1,5-Dichloro-2-fluoro-4-(trichloromethyl)benzene, 96.00% | 86522-88-5 1,5-Dichloro-2-fluoro-4-(trichloromethyl)benzene|C1537345|86522-88-5 https://www.jk-sci.com/products/s57c1773101 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c657bf79dcb9b9364c81290d904f1914.jpg?v=1791728994 6-Hydroxy-2-methylbenzofuran-3-carboxylic acid, 88.90% | 854515-52-9 6-Hydroxy-2-methylbenzofuran-3-carboxylic acid|C1773101|854515-52-9 https://www.jk-sci.com/products/s57c1827123 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46f58367fec848f8b63e70af6976740b.jpg?v=1791728686 Imeglimin, 92.50% | 775351-65-0 Imeglimin|C1827123|775351-65-0 https://www.jk-sci.com/products/s57c1884537 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513623.png?v=1791728496 9-Nitroso-9H-carbazole, Purity: 99.3% | 2788-23-0 9-Nitroso-9H-carbazole|C1884537|2788-23-0 https://www.jk-sci.com/products/s57c1907169 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a46a8ff9c7ad0fac8bc2d401167a58.jpg?v=1791728383 Testosterone EP impurity J, Purity: 94.6% | 57144-06-6 Testosterone EP impurity J|C1907169|57144-06-6 https://www.jk-sci.com/products/s57c1917490 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241919_8bcc0845-4760-4079-881c-bd4e77712f44.png?v=1791728280 Lithium Acetoacetate, Purity: 100.0% | 3483-11-2 Lithium Acetoacetate|C1917490|3483-11-2 https://www.jk-sci.com/products/s57c3d-2541 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/356504.png?v=1791727942 Alanine Glutamate, 95.00% | 13187-90-1 Alanine Glutamate|C3D-2541|13187-90-1 https://www.jk-sci.com/products/s57c3d-262249 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea830105ad7c7e6612313e7dc1052c91.jpg?v=1791727709 L-Ribofuranoside, methyl, 2,3,5-triacetate, Purity: 99.8% | 659722-56-2 L-Ribofuranoside, methyl, 2,3,5-triacetate|C3D-262249|659722-56-2 https://www.jk-sci.com/products/s57c4x-27647 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/914f0e426f06d33c4ea34286c0a8fa0e_20cd435d-95c1-4e06-b72c-1975855d0829.jpg?v=1791708558 Icaritin Impurity 7, Purity: 99.7% | 60-82-2 Icaritin Impurity 7|C4X-27647|60-82-2 https://www.jk-sci.com/products/s57c3d-3204 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230173.png?v=1791727518 AC-TYR(AC)-OH, 96.60% | 17355-23-6 AC-TYR(AC)-OH|C3D-3204|17355-23-6 https://www.jk-sci.com/products/s57c3d-4798 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515770.png?v=1791727072 Malonamide, 99.70% | 108-13-4 Malonamide|C3D-4798|108-13-4 https://www.jk-sci.com/products/s57c3d-5272 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552955_c176f29d-8f7f-458a-9313-7375c2b8c5c7.png?v=1791726991 1-Eicosanol, 99.40% | 629-96-9 1-Eicosanol|C3D-5272|629-96-9 https://www.jk-sci.com/products/s57c3d-6057 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b5d1bea2ebf3804c13988d35a380b7f.jpg?v=1791726702 Chloroxylenol, Purity: 99.7% | 1321-23-9 Chloroxylenol|C3D-6057|1321-23-9 https://www.jk-sci.com/products/s57c4x-100833 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e44f079e7bc6f9372cae01a99590fccf.jpg?v=1791726423 Aripiprazole Impurity 33, 99.70% | 50297-40-0 Aripiprazole Impurity 33|C4X-100833|50297-40-0 https://www.jk-sci.com/products/s57c4x-100951 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23db63119ef4b7ce0b08b08b16e744cc.jpg?v=1791726354 Apremilast Impurity 51, 98.20% | 2097600-16-1 Apremilast Impurity 51|C4X-100951|2097600-16-1 https://www.jk-sci.com/products/s57c4x-100977 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60e1ed97-e741-4c47-a73f-e0b6509e7106.png?v=1791726339 Apremilast Impurity 77, 96.10% Apremilast Impurity 77|C4X-100977 https://www.jk-sci.com/products/s57c4x-105819 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6a9b45b7e8abaa33a1ec9fe6c845256.jpg?v=1791725125 Memantine Related Compound G, 96.80% | 33103-93-4 Memantine Related Compound G|C4X-105819|33103-93-4 https://www.jk-sci.com/products/s57c4x-1065174 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc010beb2e91601caf34160bde67d9e6.jpg?v=1791724869 Empagliflozin Impurity 174, 98.20% | 270903-87-2 Empagliflozin Impurity 174|C4X-1065174|270903-87-2 https://www.jk-sci.com/products/s57c4x-10765 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4d49bd75fbcf693d6591f6fe44df12b.jpg?v=1791724385 Tenofovir Disoproxil Dimer, 96.30% | 1093279-76-5 Tenofovir Disoproxil Dimer|C4X-10765|1093279-76-5 https://www.jk-sci.com/products/s57c4x-107950 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5474c7818ed1ca96eb29fc8c265a5af8.jpg?v=1791724247 Tofacitinib Impurity 50, 92.30% | 2227199-31-5 Tofacitinib Impurity 50|C4X-107950|2227199-31-5 https://www.jk-sci.com/products/s57c4x-1087104 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23adfd96-a802-40e2-b7a5-b16757d04524.png?v=1791723911 Tadalafil Impurity 104, Purity: 98.5% Tadalafil Impurity 104|C4X-1087104 https://www.jk-sci.com/products/s57c4x-11775 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb7b178ddcb06c3fb369367c7f0d8204.jpg?v=1791721044 Hydrochlorothiazide 5-Chloro Impurity, 94.80% | 5233-42-1 Hydrochlorothiazide 5-Chloro Impurity|C4X-11775|5233-42-1 https://www.jk-sci.com/products/s57c4x-134912 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272458.png?v=1791718914 Terazosin EP Impurity L, 90.50% | 40172-95-0 Terazosin EP Impurity L|C4X-134912|40172-95-0 https://www.jk-sci.com/products/s57c4x-13623 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622213.png?v=1791718692 Ciprofloxacin EP Impurity C HCl(Enrofloxacin EP Impurity G HCl), 99.30% | 528851-31-2 Ciprofloxacin EP Impurity C HCl(Enrofloxacin EP Impurity G HCl)|C4X-13623|528851-31-2 https://www.jk-sci.com/products/s57c4x-136810 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622176_9afef077-222b-4dcb-a410-ca9ff971d149.png?v=1791718572 Diltiazem EP Impurity D HCl, 90.10% | 130606-60-9 Diltiazem EP Impurity D HCl|C4X-136810|130606-60-9 https://www.jk-sci.com/products/s57c1084731 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0618c68806517840bd2b9f4d996a8987.jpg?v=1791730248 2,5-Dichloro-3-methylbenzoic acid, 93.70% | 1160573-37-4 2,5-Dichloro-3-methylbenzoic acid|C1084731|1160573-37-4 https://www.jk-sci.com/products/s57c1347276 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409695.png?v=1791729805 Ethyl 3,5-dichloro-4-methoxybenzoate, 98.70% | 15945-28-5 Ethyl 3,5-dichloro-4-methoxybenzoate|C1347276|15945-28-5 https://www.jk-sci.com/products/s57c1349702 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e29bac1fbbc19f213b4c73331458c6b0.jpg?v=1791729791 (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxylic acid, 94.90% | 16052-40-7 (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxylic acid|C1349702|16052-40-7 https://www.jk-sci.com/products/s57c1362758 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37fede52e29e8138e9b35443719ef329.jpg?v=1791729762 2-(3-Methoxyphenethyl)phenol, 99.70% | 167145-13-3 2-(3-Methoxyphenethyl)phenol|C1362758|167145-13-3 https://www.jk-sci.com/products/s57c1457450 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331351.png?v=1791729624 (3-Methylbutan-2-yl)benzene, 94.20% | 4481-30-5 (3-Methylbutan-2-yl)benzene|C1457450|4481-30-5 https://www.jk-sci.com/products/s57c1495094 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86206a7bc17d4175b9214adbe59295a4.jpg?v=1791729559 Ibuprofen impurity 01, Purity: 100.0% | 95093-58-6 Ibuprofen impurity 01|C1495094|95093-58-6 https://www.jk-sci.com/products/s57c1526471 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03afd5783f675c6b0a1fb66564826fd8.jpg?v=1791729507 1-(Benzylamino)-3-Chloropropan-2-ol, 72.80% | 75605-52-6 1-(Benzylamino)-3-Chloropropan-2-ol|C1526471|75605-52-6 https://www.jk-sci.com/products/s57c1540927 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fdb67763f4320d82de03bdfa06df6cf.jpg?v=1791729479 10-Methyl-10H-Phenothiazine-5-Oxide, 98.70% | 2234-09-5 10-Methyl-10H-Phenothiazine-5-Oxide|C1540927|2234-09-5 https://www.jk-sci.com/products/s57c1688981 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb4a95adcec0b046c45a0f8d28ccf999.jpg?v=1791729147 4-(1,3-Benzothiazol-2-yl)-2,6-dichlorophenol, 99.30% | 637302-77-3 4-(1,3-Benzothiazol-2-yl)-2,6-dichlorophenol|C1688981|637302-77-3 https://www.jk-sci.com/products/s57c1728237 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382559_2ade287f-1377-4d85-9e5f-ad074a53f190.png?v=1791729058 4'-Methyl-[1,1'-biphenyl]-4-carbonitrile, 99.40% | 50670-50-3 4'-Methyl-[1,1'-biphenyl]-4-carbonitrile|C1728237|50670-50-3 https://www.jk-sci.com/products/s57c1768359 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75c2de99746620627c4badbefdc15a72.jpg?v=1791729000 Abemaciclib Impurity N1, 95.30% | 2177297-46-8 Abemaciclib Impurity N1|C1768359|2177297-46-8 https://www.jk-sci.com/products/s57c1918162 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578657.png?v=1791728275 2,4,6-Trichloropyrimidine, 99.10% | 3764-01-0 2,4,6-Trichloropyrimidine|C1918162|3764-01-0 https://www.jk-sci.com/products/s57c1921926 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238866.png?v=1791728204 1-(2-Nitrophenyl)ethanone, 94.50% | 577-59-3 1-(2-Nitrophenyl)ethanone|C1921926|577-59-3 https://www.jk-sci.com/products/s57c1925323 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614428.png?v=1791728148 2,2,2-Trimethylacetamide, 99.20% | 754-10-9 2,2,2-Trimethylacetamide|C1925323|754-10-9 https://www.jk-sci.com/products/s57c3d-262176 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca70f6b62edbccbadf5dd95473d7a0b0_e325fbf7-1a91-47a6-82ac-ddc41ffe34de.jpg?v=1791727726 2,6-Diaminopyrimidin-4(1H)-one, Purity: 100.0% | 56-06-4 2,6-Diaminopyrimidin-4(1H)-one|C3D-262176|56-06-4 https://www.jk-sci.com/products/s57c3d-2915 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c8801f21d812d9270a624a4b64070d_284a17f7-f634-4931-915f-53467989b746.jpg?v=1791727572 L-Homocystine, 95.80% | 626-72-2 L-Homocystine|C3D-2915|626-72-2 https://www.jk-sci.com/products/s57c4x-276619 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fea29d7ec29bc350a4af9f3c2e26a2f.jpg?v=1791708556 Dehydrodeoxy Sepiapterin, Purity: 96.9% | 71014-28-3 Dehydrodeoxy Sepiapterin|C4X-276619|71014-28-3 https://www.jk-sci.com/products/s57c3d-4149 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/450641.png?v=1791727247 3-Mercapto-1-propanol, 90.20% | 19721-22-3 3-Mercapto-1-propanol|C3D-4149|19721-22-3 https://www.jk-sci.com/products/s57c3d-4338 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee7b8a682b2e3616f4bf8b7e616800e3.jpg?v=1791727195 3-Deoxy-galactosone, Purity: 94.8% | 4134-97-8 3-Deoxy-galactosone|C3D-4338|4134-97-8 https://www.jk-sci.com/products/s57c3d-5911 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96473cf270cd36042e89ff5b94d2f420.jpg?v=1791726771 Ethyl 4(Z),7(Z),10(Z),13(Z),16(Z)-docosapentaenoate, 98.90% | 142828-42-0 Ethyl 4(Z),7(Z),10(Z),13(Z),16(Z)-docosapentaenoate|C3D-5911|142828-42-0 https://www.jk-sci.com/products/s57c3d-5975 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/debc72cec4f75497022078f50e63b109.jpg?v=1791726740 1,2-Palmitin-3-Elaidin, 98.00% | 93452-43-8 1,2-Palmitin-3-Elaidin|C3D-5975|93452-43-8 https://www.jk-sci.com/products/s57c4x-27666 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505232.png?v=1791708551 Sepiapterin Impurity 6, 96.20% | 2387-48-6 Sepiapterin Impurity 6|C4X-27666|2387-48-6 https://www.jk-sci.com/products/s57c4x-101826 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75909b43c792e439fbe24af95e23277d.jpg?v=1791726182 Choline Fenofibrate Impurity 26, 99.60% | 1797121-54-0 Choline Fenofibrate Impurity 26|C4X-101826|1797121-54-0 https://www.jk-sci.com/products/s57c4x-102253 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fdbaea8510bea8935db8811d504e74b.jpg?v=1791725986 Carfilzomib Impurity 53, 94.80% | 1672698-96-2 Carfilzomib Impurity 53|C4X-102253|1672698-96-2 https://www.jk-sci.com/products/s57c4x-27691 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427802.png?v=1791708549 Droperidol EP Impurity A, 97.20% | 2147-83-3 Droperidol EP Impurity A|C4X-27691|2147-83-3 https://www.jk-sci.com/products/s57c4x-106726 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c175f89b94a0642fe16c194859f72ee8.jpg?v=1791724753 Levetiracetam Impurity 26, Purity: 98.6% | 20496-01-9 Levetiracetam Impurity 26|C4X-106726|20496-01-9 https://www.jk-sci.com/products/s57c4x-107917 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd8f7b56c1e708b69fb4fcbd79fc2c2b.jpg?v=1791724271 Tofacitinib Impurity 17, 92.20% | 1675248-19-7 Tofacitinib Impurity 17|C4X-107917|1675248-19-7 https://www.jk-sci.com/products/s57c4x-108027 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc755f8286fbb07d5b95b2c1d64fded8.jpg?v=1791724207 Etoricoxib Impurity 27, 99.50% | 221615-72-1 Etoricoxib Impurity 27|C4X-108027|221615-72-1 https://www.jk-sci.com/products/s57c4x-1082136 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57402090-aa53-4bf2-b2c9-4078042b4a51.png?v=1791724144 Ibuprofen Impurity 136, Purity: 100.0% Ibuprofen Impurity 136|C4X-1082136 https://www.jk-sci.com/products/s57c4x-10877 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12f8de055873cd0dc6319126b6946ffb.jpg?v=1791723858 Tadalafil EP Impurity G, 86.10% | 2520114-46-7 Tadalafil EP Impurity G|C4X-10877|2520114-46-7 https://www.jk-sci.com/products/s57c4x-276918 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_688b23ee-1b51-4ab5-80e1-de69ad57cca4.png?v=1791708545 Droperidol Impurity 18, 99.70% Droperidol Impurity 18|C4X-276918 https://www.jk-sci.com/products/s57c4x-113172 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc8b61f9-b6c6-47fe-8ea2-41f8494e9ec2.png?v=1791722197 Brexpiprazole impurity 72, 99.50% Brexpiprazole impurity 72|C4X-113172 https://www.jk-sci.com/products/s57c4x-117841 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/440001_a2a57fe5-e2ac-4dd9-b041-d0eb1fe309ef.png?v=1791721029 Olanzapine Impurity 41, 97.10% | 610-17-3 Olanzapine Impurity 41|C4X-117841|610-17-3 https://www.jk-sci.com/products/s57c4x-1221 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531290.png?v=1791720439 Cefamandole Nafate, Purity: 83.7% | 42540-40-9 Cefamandole Nafate|C4X-1221|42540-40-9 https://www.jk-sci.com/products/s57c4x-12523 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc091e74a76ca394d3825cc9b51c52c4.jpg?v=1791719871 Perindopril EP Impurity C, 95.20% | 129970-99-6 Perindopril EP Impurity C|C4X-12523|129970-99-6 https://www.jk-sci.com/products/s57c4x-13586 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bc7b7196a718244cbbe29213efa79ab.jpg?v=1791718766 Cefditoren Impurity 6, 90.80% | 878002-84-7 Cefditoren Impurity 6|C4X-13586|878002-84-7 https://www.jk-sci.com/products/s57c1045171 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0761ff1660596c5b2f17b42ef838b4db.jpg?v=1791730316 Norfloxacin Impurity C171, 99.10% | 106847-39-6 Norfloxacin Impurity C171|C1045171|106847-39-6 https://www.jk-sci.com/products/s57c1092339 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9549a74d3fc8b2580a04cb9dc91f93a2.jpg?v=1791730238 Alpha-Casozepine, 81.20% | 117592-45-7 Alpha-Casozepine|C1092339|117592-45-7 https://www.jk-sci.com/products/s57c1301640 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570556.png?v=1791729938 (S) - Demethylcitalopram, Purity>95% | 144025-14-9 (S) - Demethylcitalopram|C1301640|144025-14-9 https://www.jk-sci.com/products/s57c1453293 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383373_51605f47-8138-43f0-a00d-26056025b1dd.png?v=1791729634 4,4'-Oxydiphenol, Purity: 100.0% | 1965-09-9 4,4'-Oxydiphenol|C1453293|1965-09-9 https://www.jk-sci.com/products/s57c4x-27693 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6154bad3b3095da4559e1e2ee038b497.jpg?v=1791708542 Droperidol EP Impurity D, 99.20% | 466118-75-2 Droperidol EP Impurity D|C4X-27693|466118-75-2 https://www.jk-sci.com/products/s57c4x-27695 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8c447416-5bb6-4c94-9b04-d449160dbdc9.png?v=1791708536 Droperidol EP Impurity B HCl, 99.20% Droperidol EP Impurity B HCl|C4X-27695 https://www.jk-sci.com/products/s57c1476241 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/913109.png?v=1791729600 (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic Acid tert-Butyl Ester, 98.80% | 461054-93-3 (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic Acid tert-Butyl Ester|C1476241|461054-93-3 https://www.jk-sci.com/products/s57c4x-27731 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e9b684ecf9a14f882f02fd36b3869b6.jpg?v=1791708536 Etilefrine Impurity 1, Purity: 99.1% | 55845-90-4 Etilefrine Impurity 1|C4X-27731|55845-90-4 https://www.jk-sci.com/products/s57c1494214 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363919.png?v=1791729563 (R)-Fmoc-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid, 99.50% | 204317-98-6 (R)-Fmoc-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid|C1494214|204317-98-6 https://www.jk-sci.com/products/s57c1599469 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f62f1c3c1f6ced8834ed785bfce92a13.jpg?v=1791729358 2,4-Dihydroxy-5-methoxybenzaldehyde, 80.10% | 51061-83-7 2,4-Dihydroxy-5-methoxybenzaldehyde|C1599469|51061-83-7 https://www.jk-sci.com/products/s57c1824515 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90d5563e5534c92280a93fc14a8fb0b.jpg?v=1791728726 Formoterol Impurity N11, 91.10% | 51713-72-5 Formoterol Impurity N11|C1824515|51713-72-5 https://www.jk-sci.com/products/s57c1900606 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48320f2acd1a0e69d4005a2b59ae811e.jpg?v=1791728388 tert-Butyl (S)-1-Methyl-2-oxoimidazolidine-4-carboxylate, 99.90% | 83056-79-5 tert-Butyl (S)-1-Methyl-2-oxoimidazolidine-4-carboxylate|C1900606|83056-79-5 https://www.jk-sci.com/products/s57c1918571 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209764_a66a1a3b-3375-43b0-9904-4a7ec82d1426.png?v=1791728275 Edoxaban impurity 101, 93.70% | 39620-04-7 Edoxaban impurity 101|C1918571|39620-04-7 https://www.jk-sci.com/products/s57c3d-2794 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344712_f56c559b-9d9f-472f-83fa-6024fc517d1e.png?v=1791727630 Fmoc-Gly-OH, 98.90% | 29022-11-5 Fmoc-Gly-OH|C3D-2794|29022-11-5 https://www.jk-sci.com/products/s57c4x-277510 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98f5f513222b0f4a772c87d06e8bdbc8.jpg?v=1791708531 N-Isopropylnoradrenochrome, 86.80% | 3736-31-0 N-Isopropylnoradrenochrome|C4X-277510|3736-31-0 https://www.jk-sci.com/products/s57c4x-277516 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8adbf78a6784a385a99c0bf6e2f269f1.jpg?v=1791708527 N-Isopropyldopamine Hydrochloride, 94.70% | 5178-52-9 N-Isopropyldopamine Hydrochloride|C4X-277516|5178-52-9 https://www.jk-sci.com/products/s57c3d-2813 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485156.png?v=1791727606 N-Fmoc-β-alanine, 98.80% | 35737-10-1 N-Fmoc-β-alanine|C3D-2813|35737-10-1 https://www.jk-sci.com/products/s57c3d-4185 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441957.png?v=1791727239 Methyl 2,4,6-trimethoxybenzoate, Purity: 99.9% | 29723-28-2 Methyl 2,4,6-trimethoxybenzoate|C3D-4185|29723-28-2 https://www.jk-sci.com/products/s57c4x-107135 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88aae0cd954249de93e58e7c45c016d6.jpg?v=1791724632 Axitinib Impurity 35, 98.90% | 1443118-71-5 Axitinib Impurity 35|C4X-107135|1443118-71-5 https://www.jk-sci.com/products/s57c4x-10726 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8acde6544671d654bd0627bff79c21b.jpg?v=1791724568 Bortezomib Impurity 6, 90.90% | 1132709-14-8 Bortezomib Impurity 6|C4X-10726|1132709-14-8 https://www.jk-sci.com/products/s57c4x-27772 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531846.png?v=1791708527 Chlorzoxazone Impurity 2, 98.40% | 59-49-4 Chlorzoxazone Impurity 2|C4X-27772|59-49-4 https://www.jk-sci.com/products/s57c4x-10793 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e26100291e1c39ef49188b5ce007390c.jpg?v=1791724257 Tofacitinib Impurity 3, 90.60% | 1092578-47-6 Tofacitinib Impurity 3|C4X-10793|1092578-47-6 https://www.jk-sci.com/products/s57c4x-1090138 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2ac4065483383e6774db2012d0cd927.jpg?v=1791723718 Rivaroxaban Impurity 138, 98.70% | 20689-96-7 Rivaroxaban Impurity 138|C4X-1090138|20689-96-7 https://www.jk-sci.com/products/s57c4x-1090174 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ca593cda-65fe-4bef-934c-92df51af4564.png?v=1791723708 Rivaroxaban impurity 174, 99.00% Rivaroxaban impurity 174|C4X-1090174 https://www.jk-sci.com/products/s57c4x-109039 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/971b606fa9e5183afaceca8966fef004.jpg?v=1791723681 Rivaroxaban Impurity 39, 97.20% | 446292-07-5 Rivaroxaban Impurity 39|C4X-109039|446292-07-5 https://www.jk-sci.com/products/s57c4x-10952 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1182feb6b9f0451a4be0306bfdfc5614.jpg?v=1791723524 Amlodipine Besylate EP Impurity B, 95.10% | 721958-72-1 Amlodipine Besylate EP Impurity B|C4X-10952|721958-72-1 https://www.jk-sci.com/products/s57c4x-27801 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e22cc21a954958bf7d48c7609fff6276.jpg?v=1791708522 Cladribine EP Impurity D, 97.90% | 5542-92-7 Cladribine EP Impurity D|C4X-27801|5542-92-7 https://www.jk-sci.com/products/s57c4x-111893 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409081_e351edb1-55b3-4795-83d0-e2bdad238103.png?v=1791722668 Ethyl 2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate, 100.00% | 53554-29-3 Ethyl 2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate|C4X-111893|53554-29-3 https://www.jk-sci.com/products/s57c4x-120856 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8c8ba6d2f393b77f1684a12101c97fc.jpg?v=1791720593 Posaconazole Impurity 56, 98.50% | 184177-81-9 Posaconazole Impurity 56|C4X-120856|184177-81-9 https://www.jk-sci.com/products/s57c4x-131254 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d597a1d04eb6ee78fcbf6db3a6d7520.jpg?v=1791719435 Pregabalin Impurity 54, 90.60% | 616-42-2 Pregabalin Impurity 54|C4X-131254|616-42-2 https://www.jk-sci.com/products/s57c4x-27804 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258050.png?v=1791708517 Cladribine, 99.40% | 4291-63-8 Cladribine|C4X-27804|4291-63-8 https://www.jk-sci.com/products/s57c1036524 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303181.png?v=1791730328 Cinacalcet Amine, 79.80% | 104774-87-0 Cinacalcet Amine|C1036524|104774-87-0 https://www.jk-sci.com/products/s57c1205491 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3c1d904038b52c384a0b8bf7c29893.jpg?v=1791730085 1-methyl-4-(piperazine-1-carbonyl)piperazine dihydrochloride, Purity: 99.8% | 1305711-94-7 1-methyl-4-(piperazine-1-carbonyl)piperazine dihydrochloride|C1205491|1305711-94-7 https://www.jk-sci.com/products/s57c1267870 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c2de0d409e1c6de86d156d8c168d053.jpg?v=1791729985 Methyl 4-((tert-butoxycarbonyl)amino)piperidine-4-carboxylate hydrochloride, 97.50% | 1381947-68-7 Methyl 4-((tert-butoxycarbonyl)amino)piperidine-4-carboxylate hydrochloride|C1267870|1381947-68-7 https://www.jk-sci.com/products/s57c1323259 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/486112_e464b83a-4bb7-4167-952e-1d2c1f226e87.png?v=1791729878 6-Bromo-3-pyridinecarboxaldehyde, 93.40% | 149806-06-4 6-Bromo-3-pyridinecarboxaldehyde|C1323259|149806-06-4 https://www.jk-sci.com/products/s57c1450421 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/085eb9e49a00cfc26c9b2d62c4909e02.jpg?v=1791729641 Osimertinib Impurity N4, 98.00% | 1956306-73-2 Osimertinib Impurity N4|C1450421|1956306-73-2 https://www.jk-sci.com/products/s57c1607533 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a619b9ede666543cd0cc8759475b5eb.jpg?v=1791729319 2-{[(3,4-difluorophenyl)methyl]amino}ethan-1-ol, 99.30% | 610769-18-1 2-{[(3,4-difluorophenyl)methyl]amino}ethan-1-ol|C1607533|610769-18-1 https://www.jk-sci.com/products/s57c4x-27821 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb5e944df72cb04e83893aed27faec78.jpg?v=1791708512 Trametinib Impurity 1, 99.60% | 871700-28-6 Trametinib Impurity 1|C4X-27821|871700-28-6 https://www.jk-sci.com/products/s57c4x-27811 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126699.png?v=1791708517 Moxonidine, 98.80% | 75438-57-2 Moxonidine|C4X-27811|75438-57-2 https://www.jk-sci.com/products/s57c4x-278211 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2efe4fdd-328f-4f75-b848-4ccfb7a9daac.png?v=1791708507 Trametinib impurity 11, 99.50% Trametinib impurity 11|C4X-278211 https://www.jk-sci.com/products/s57c4x-278215 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/010b0dccf3478c5f374090a1fd215657.jpg?v=1791708506 Trametinib impurity 15, 99.10% | 871700-18-4 Trametinib impurity 15|C4X-278215|871700-18-4 https://www.jk-sci.com/products/s57c4x-27911 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_58c25679-a65e-43d8-a63c-4ee5adacaf00.png?v=1791708496 Sulfadoxine Impurity 1, 99.70% Sulfadoxine Impurity 1|C4X-27911 https://www.jk-sci.com/products/s57c1617087 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/242813_dae98f45-9df6-4d8f-b691-df5a874dfaa1.png?v=1791729291 2-Bromo-1-methyl-4-nitrobenzene, 99.10% | 7745-93-9 2-Bromo-1-methyl-4-nitrobenzene|C1617087|7745-93-9 https://www.jk-sci.com/products/s57c4x-27828 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef06c568af026c37a70755375c46212.jpg?v=1791708501 Trametinib impurity 8, 96.10% | 871700-26-4 Trametinib impurity 8|C4X-27828|871700-26-4 https://www.jk-sci.com/products/s57c1648166 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcb4d6711e638b949c96552e43e0f5bd.jpg?v=1791729236 3-(3-Chlorophenyl)-1-propanol, 95.00% | 22991-03-3 3-(3-Chlorophenyl)-1-propanol|C1648166|22991-03-3 https://www.jk-sci.com/products/s57c4x-27913 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51eabffda1c3265c2d9e475503d8957a.jpg?v=1791708492 Sulfadoxine Impurity 3, Purity: 100.0% | 64704-11-6 Sulfadoxine Impurity 3|C4X-27913|64704-11-6 https://www.jk-sci.com/products/s57c4x-2785 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159829.png?v=1791708498 Etonogestrel, Purity: 100.0% | 54048-10-1 Etonogestrel|C4X-2785|54048-10-1 https://www.jk-sci.com/products/s57c4x-27915 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c313000ed6dfea5d569357793f762c4.jpg?v=1791708485 Sulfadoxine impurity 15, 97.90% | 7749-17-9 Sulfadoxine impurity 15|C4X-27915|7749-17-9 https://www.jk-sci.com/products/s57c4x-27917 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b2097a4-a3b9-4919-be2d-ce4d97b495b5.png?v=1791708482 Sulfadoxine impurity 7, 97.80% Sulfadoxine impurity 7|C4X-27917 https://www.jk-sci.com/products/s57c1806510 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279436.png?v=1791728785 Estradiol Enanthate, 96.90% | 4956-37-0 Estradiol Enanthate|C1806510|4956-37-0 https://www.jk-sci.com/products/s57c4x-27921 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355240.png?v=1791708480 Levamisole EP Impurity D, 99.50% | 4335-28-8 Levamisole EP Impurity D|C4X-27921|4335-28-8 https://www.jk-sci.com/products/s57c1825635 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570734.png?v=1791728707 HC toxin | 83209-65-8 HC toxin|C1825635|83209-65-8 https://www.jk-sci.com/products/s57c4x-279618 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d764dcfc3ff218075e684e127de746a6.jpg?v=1791708476 Ozefloxacin Impurity 18, 99.60% | 856836-09-4 Ozefloxacin Impurity 18|C4X-279618|856836-09-4 https://www.jk-sci.com/products/s57c4x-279638 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66690477-a9ed-4454-8ab2-1672b919c0f3.png?v=1791708473 Ozenoxacin Impurity 38, 98.60% Ozenoxacin Impurity 38|C4X-279638 https://www.jk-sci.com/products/s57c4x-279666 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d1905700df04ac1d7025ad357bd366e.jpg?v=1791708472 Ozenoxacin Impurity 66, 98.30% | 23612-56-8 Ozenoxacin Impurity 66|C4X-279666|23612-56-8 https://www.jk-sci.com/products/s57c4x-28006 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a71aaa7-4cd2-4bf3-aaad-d3df47003ad5.png?v=1791708462 Troxerutin Impurity 6, 91.70% Troxerutin Impurity 6|C4X-28006 https://www.jk-sci.com/products/s57c1895998 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6bdd4eecc05b0d94f1b9e292fd6ec99.jpg?v=1791728407 Fusidate Sodium, 96.40% | 751-94-0 Fusidate Sodium|C1895998|751-94-0 https://www.jk-sci.com/products/s57c4x-28002 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af9a6e1a60f5a734ecf631b799891138.jpg?v=1791708468 Troxerutin Impurity 2, 96.60% | 13190-91-5 Troxerutin Impurity 2|C4X-28002|13190-91-5 https://www.jk-sci.com/products/s57c1913625 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf2c7bcc9df7fda8be4ecc2051ffe00b.jpg?v=1791728329 2-Toluene glycidyl ether, Purity: 87.5% | 2210-79-9 2-Toluene glycidyl ether|C1913625|2210-79-9 https://www.jk-sci.com/products/s57c4x-280613 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c36a99c8efb6b3876d966bf983027c18.jpg?v=1791708461 Tridocosahexaenoin, 98.20% | 11094-59-0 Tridocosahexaenoin|C4X-280613|11094-59-0 https://www.jk-sci.com/products/s57c1929126 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206539_4f1fa82b-02e8-4dfc-b74a-8d7e6053a863.png?v=1791728116 2-Allylcyclohexanone, Purity: 98.9% | 94-66-6 2-Allylcyclohexanone|C1929126|94-66-6 https://www.jk-sci.com/products/s57c4x-28062 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcab80e0c8c65f8ff656c24df301c256.jpg?v=1791708456 Didocosahexaenoin, 94.90% | 124538-05-2 Didocosahexaenoin|C4X-28062|124538-05-2 https://www.jk-sci.com/products/s57c4x-280621 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_be2db76a-9b0a-4e6c-a7a8-ca83d9fe2634.png?v=1791708452 ethyl 9-(3,4-dimethyl-5-propylfuran-2-yl)nonanoate, 98.90% ethyl 9-(3,4-dimethyl-5-propylfuran-2-yl)nonanoate|C4X-280621 https://www.jk-sci.com/products/s57c4x-280920 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb17897a2bce30b7248ce8098c24d55c.jpg?v=1791708432 Sacubitril Impurity 20, 98.50% | 2459446-51-4 Sacubitril Impurity 20|C4X-280920|2459446-51-4 https://www.jk-sci.com/products/s57c4x-28063 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17ccdf0150ae8a458d90b5d7e2c528d2.jpg?v=1791708446 Ethyl docosa-4,7,10,13,16,19-hexaenoate, 97.70% | 84494-72-4 Ethyl docosa-4,7,10,13,16,19-hexaenoate|C4X-28063|84494-72-4 https://www.jk-sci.com/products/s57c4x-28091 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffec252315506b41a032902816fdd4ea.jpg?v=1791708440 Sacubitril Sodium Salt, 99.30% | 149690-05-1 Sacubitril Sodium Salt|C4X-28091|149690-05-1 https://www.jk-sci.com/products/s57c3d-262230 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eefbf7f5894b057c1cbdf571a1d1572d.jpg?v=1791727713 4-Azido-N-(3-(4,5-dihydro-1H-imidazol-2-yl)phenyl)benzamide 2,2,2-trifluoroacetate, 75.40% | 1988669-61-9 4-Azido-N-(3-(4,5-dihydro-1H-imidazol-2-yl)phenyl)benzamide 2,2,2-trifluoroacetate|C3D-262230|1988669-61-9 https://www.jk-sci.com/products/s57c4x-28065 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88d560a3386b3f280c6f787692e7f63e.jpg?v=1791708440 (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester, 94.20% | 131775-86-5 (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester|C4X-28065|131775-86-5 https://www.jk-sci.com/products/s57c4x-280624 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fc7af68a8a18ccb72cca10145cf0ef7.jpg?v=1791708451 ethyl 11-(3-methyl-5-pentylfuran-2-yl)undecanoate, 91.80% | 76859-13-7 ethyl 11-(3-methyl-5-pentylfuran-2-yl)undecanoate|C4X-280624|76859-13-7 https://www.jk-sci.com/products/s57c4x-280634 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c3a128be-ac6f-4b9d-bde7-8f3c53808ac8.png?v=1791708445 Docosahexaenoic Acid Impurity 34, 91.00% Docosahexaenoic Acid Impurity 34|C4X-280634 https://www.jk-sci.com/products/s57c3d-4211 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540851.png?v=1791727228 Dibutyl Sulfate, 95.20% | 625-22-9 Dibutyl Sulfate|C3D-4211|625-22-9 https://www.jk-sci.com/products/s57c4x-28098 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6f5f703-cf67-415d-8df2-fc826aeb7088.png?v=1791708427 Sacubitril Impurities 8, 99.20% Sacubitril Impurities 8|C4X-28098 https://www.jk-sci.com/products/s57c3d-6176 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b7ca0a0-1bc5-47a4-863d-f0bf4ef2766e.png?v=1791726630 1-([1,1'-biphenyl]-2-yl(phenyl)methyl)-1H-imidazole, 99.80% 1-([1,1'-biphenyl]-2-yl(phenyl)methyl)-1H-imidazole|C3D-6176 https://www.jk-sci.com/products/s57c4x-281313 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7cb7c381-9773-4d5e-83c0-f4e7f394b7f2.png?v=1791708425 Piribedil Impurity 13, 98.90% Piribedil Impurity 13|C4X-281313 https://www.jk-sci.com/products/s57c4x-101613 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5714d1a6-cac4-4f6d-9c73-4081adedd074.png?v=1791726253 Enzalutamide Impurity 13, Purity: 98.2% Enzalutamide Impurity 13|C4X-101613 https://www.jk-sci.com/products/s57c4x-28173 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305870.png?v=1791708422 Sulfogaiacol, 97.60% | 1321-14-8 Sulfogaiacol|C4X-28173|1321-14-8 https://www.jk-sci.com/products/s57c4x-102111 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6d752e66b390f4374d7bd9b98b2dde1.jpg?v=1791726013 Ganciclovir Impurity 11, 97.70% | 86357-19-9 Ganciclovir Impurity 11|C4X-102111|86357-19-9 https://www.jk-sci.com/products/s57c4x-283613 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e7c26428f912d8028f2ffdcd66e3797.jpg?v=1791708412 Alectinib Impurity 13, Purity: 99.7% | 1256585-29-1 Alectinib Impurity 13|C4X-283613|1256585-29-1 https://www.jk-sci.com/products/s57c4x-28251 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de44873f91b0afcfe68a4bc5f9b19941.jpg?v=1791708418 2-((3-(Trifluoromethyl)phenoxy)methyl)oxirane, 98.70% | 585-45-5 2-((3-(Trifluoromethyl)phenoxy)methyl)oxirane|C4X-28251|585-45-5 https://www.jk-sci.com/products/s57c4x-283633 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ae98052-500f-4709-9dad-a50b36e08ed8.png?v=1791708406 Alectinib Impurity 33 ·xHCl, Purity: 99.9% Alectinib Impurity 33 ·xHCl|C4X-283633 https://www.jk-sci.com/products/s57c4x-104623 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f61f6e80bb52834bed88489d1781fe12.jpg?v=1791725485 Trelagliptin Impurity 23, 98.50% | 309956-78-3 Trelagliptin Impurity 23|C4X-104623|309956-78-3 https://www.jk-sci.com/products/s57c4x-283629 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f298d8603cfc3323d58b1a719bac7ba5.jpg?v=1791708407 Alectinib impurity 29, Purity: 95.1% | 1256585-30-4 Alectinib impurity 29|C4X-283629|1256585-30-4 https://www.jk-sci.com/products/s57c4x-28373 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e1440054991a63c3c1c977b65835ca3.jpg?v=1791708397 Nefopam Impurity 3, 99.30% | 60725-36-2 Nefopam Impurity 3|C4X-28373|60725-36-2 https://www.jk-sci.com/products/s57c4x-28367 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/780a12eb1f35f548e275af5b4c563961.jpg?v=1791708402 Alectinib Impurity 7, Purity: 99.7% | 1256585-04-2 Alectinib Impurity 7|C4X-28367|1256585-04-2 https://www.jk-sci.com/products/s57c4x-28424 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6866987f95bd4fd62452d614316a1d0b.jpg?v=1791708386 Estradiol Valerate EP Impurity E, 100.00% | 63042-28-4 Estradiol Valerate EP Impurity E|C4X-28424|63042-28-4 https://www.jk-sci.com/products/s57c4x-104947 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a57427f977e7c769750f3214225ed1_8208f92d-3e54-410c-aa7c-aa085fdc29f0.jpg?v=1791725449 Saxagliptin Impurity 47, 94.80% | 197142-36-2 Saxagliptin Impurity 47|C4X-104947|197142-36-2 https://www.jk-sci.com/products/s57c4x-2840 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/832430_1df304a7-9034-4099-af58-a7acbdd61447.png?v=1791708397 Midostaurin, 99.00% | 120685-11-2 Midostaurin|C4X-2840|120685-11-2 https://www.jk-sci.com/products/s57c4x-28422 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6e500108158c06d52b1b2bbbf161a26.jpg?v=1791708392 Estradiol Valerate EP Impurity B, 99.50% | 21881-45-8 Estradiol Valerate EP Impurity B|C4X-28422|21881-45-8 https://www.jk-sci.com/products/s57c4x-105726 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee783fe6961b3c2481892e7323c55bff.jpg?v=1791725182 Losartan EP Impurity B, 99.20% | 160514-13-6 Losartan EP Impurity B|C4X-105726|160514-13-6 https://www.jk-sci.com/products/s57c4x-210869 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f3c66bf-9f36-4635-8d40-eb85356bedb4.png?v=1791710781 Baloxavir Impurity 69, 94.90% Baloxavir Impurity 69|C4X-210869 https://www.jk-sci.com/products/s57c4x-229338 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5461d91-0797-44a4-9742-94855c12966e.png?v=1791709832 [Asu5]-Atosiban, Purity: 98.8% [Asu5]-Atosiban|C4X-229338 https://www.jk-sci.com/products/s57c4x-23983 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387efafc266ae0b8a8853df84bcf6add.jpg?v=1791709584 Levodropropizine N-Oxide Impurity 3, 96.80% | 152237-40-6 Levodropropizine N-Oxide Impurity 3|C4X-23983|152237-40-6 https://www.jk-sci.com/products/s57c4x-23307 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/803b6785383b3e0b606dc83ef6160989.jpg?v=1791709695 Aureomycin EP Impurity K, 91.00% | 81163-11-3 Aureomycin EP Impurity K|C4X-23307|81163-11-3 https://www.jk-sci.com/products/s57c4x-225616 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15b83acf4660b3f366fe2cd7e204598e.jpg?v=1791710069 Chlorhexidine EP Impurity N, 94.20% | 152504-10-4 Chlorhexidine EP Impurity N|C4X-225616|152504-10-4 https://www.jk-sci.com/products/s57c4x-240550 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134eb2249ee15df9063b15fb861b1996.jpg?v=1791709488 Upadacitinib Impurity 50, 99.30% | 2270173-63-0 Upadacitinib Impurity 50|C4X-240550|2270173-63-0 https://www.jk-sci.com/products/s57c4x-108716 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eefbce1bcf420d3da1688f8f7d5faf65.jpg?v=1791723897 Tadalafil Impurity 16, Purity: 98.9% | 629652-44-4 Tadalafil Impurity 16|C4X-108716|629652-44-4 https://www.jk-sci.com/products/s57c4x-241113 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2768d6ef-48cd-4e49-990d-b6a01f1e1baa.png?v=1791709434 Bevantolol Impurity 13, Purity: 96.0% Bevantolol Impurity 13|C4X-241113 https://www.jk-sci.com/products/s57c4x-24261 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eee164d976f0133ff48a2c92ed5e65e8.jpg?v=1791709369 Lumefantrine Impurity 1, 93.70% | 1331642-68-2 Lumefantrine Impurity 1|C4X-24261|1331642-68-2 https://www.jk-sci.com/products/s57c4x-24301 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85f9c61ab97f878bfeaefd818feca1e2_d0d9a03b-ee69-4184-a156-47c3e6bb8804.jpg?v=1791709312 Perampanel Impurity 1, 99.80% | 381248-06-2 Perampanel Impurity 1|C4X-24301|381248-06-2 https://www.jk-sci.com/products/s57c4x-245836 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_705d2e1e-bd34-4395-922f-9772efd663c7.png?v=1791709212 Perospirone Impurity 36, 97.50% Perospirone Impurity 36|C4X-245836 https://www.jk-sci.com/products/s57c4x-2440 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612783_50df583a-3ce6-49e4-bcf3-76764e8f2cde.png?v=1791709245 Proxyphylline, 99.50% | 603-00-9 Proxyphylline|C4X-2440|603-00-9 https://www.jk-sci.com/products/s57c4x-246615 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f515c9880f1a38152ef772fa3bb1044.jpg?v=1791709174 Labetalol EP Impurity A, Purity: 99.5% | 1391051-99-2 Labetalol EP Impurity A|C4X-246615|1391051-99-2 https://www.jk-sci.com/products/s57c4x-246727 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d232390e-7a65-43ec-9ec0-bb3f3bcd58d4.png?v=1791709138 Pinaverium impurity 27, 96.30% Pinaverium impurity 27|C4X-246727 https://www.jk-sci.com/products/s57c4x-109729 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129062.png?v=1791723349 Olmesartan Impurity 29, 99.00% | 76-83-5 Olmesartan Impurity 29|C4X-109729|76-83-5 https://www.jk-sci.com/products/s57c4x-11492 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454889_005696dc-60b2-45dd-b2de-b440476a8b7d.png?v=1791721629 Cefadroxil EP Impurity A(Amoxicillin EP Impurity I), 99.90% | 22818-40-2 Cefadroxil EP Impurity A(Amoxicillin EP Impurity I)|C4X-11492|22818-40-2 https://www.jk-sci.com/products/s57c4x-12617 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9ff7c89596c9edaa77ee52657edc684.jpg?v=1791719740 Cephalexin Impurity 7 (Mixture Of Isomers), 92.70% | 59865-11-1 Cephalexin Impurity 7 (Mixture Of Isomers)|C4X-12617|59865-11-1 https://www.jk-sci.com/products/s57c4x-127044 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b00c29e43353e536865436696a2b838b.jpg?v=1791719660 Cefaclor Degradation A Impurity(H-D-Phg-Gly-OH), 98.70% | 6453-64-1 Cefaclor Degradation A Impurity(H-D-Phg-Gly-OH)|C4X-127044|6453-64-1 https://www.jk-sci.com/products/s57c4x-13093 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b778f194f9710cf6f2328c90dd93a96.jpg?v=1791719473 Meropenem EP Impurity B, 94.00% | 166901-45-7 Meropenem EP Impurity B|C4X-13093|166901-45-7 https://www.jk-sci.com/products/s57c4x-135970 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1265cacd-b599-44d6-a4cc-4eda286631fb.png?v=1791718709 Telmisartan Impurity 70, 88.50% Telmisartan Impurity 70|C4X-135970 https://www.jk-sci.com/products/s57c4x-248512 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ef12145-6c5b-4db9-b87b-34cae76c1241.png?v=1791709111 N-Nitroso Evocalcet, Purity: 100.0% N-Nitroso Evocalcet|C4X-248512 https://www.jk-sci.com/products/s57c4x-13638 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47aaf967-086a-49fa-929f-342b70092caf.png?v=1791718675 N1-Nitroso Rilpivirine, 98.70% N1-Nitroso Rilpivirine|C4X-13638 https://www.jk-sci.com/products/s57c1064217 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/582839.png?v=1791730276 1-(Tert-butyl)urea, 74.60% | 1118-12-3 1-(Tert-butyl)urea|C1064217|1118-12-3 https://www.jk-sci.com/products/s57c1067343 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550bade38fd970d8a05d5b6e4b7aafad.jpg?v=1791730265 N-[[4-(4-Fluorobenzyl)-2-morpholinyl]methyl]acetamide, 99.00% | 112913-94-7 N-[[4-(4-Fluorobenzyl)-2-morpholinyl]methyl]acetamide|C1067343|112913-94-7 https://www.jk-sci.com/products/s57c1381265 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebdcf16f35855c3b0a14187d0da1e886.jpg?v=1791729730 Ethyl (R)-2-Amino-2-phenylacetate Hydrochloride, 98.30% | 17609-48-2 Ethyl (R)-2-Amino-2-phenylacetate Hydrochloride|C1381265|17609-48-2 https://www.jk-sci.com/products/s57c1387532 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74cad84d7aac62d01c29880695853fb5.jpg?v=1791729710 5-Chloro-6-(piperidin-1-yl)pyrimidine-2,4-diamine, Purity: 100.0% | 1784008-01-0 5-Chloro-6-(piperidin-1-yl)pyrimidine-2,4-diamine|C1387532|1784008-01-0 https://www.jk-sci.com/products/s57c1587232 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c4d0337e681115e0f8af30f797143b7.jpg?v=1791729407 2-(Dimethylamino)ethyl methanesulfonate, Purity: 93.7% | 44929-30-8 2-(Dimethylamino)ethyl methanesulfonate|C1587232|44929-30-8 https://www.jk-sci.com/products/s57c1613619 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128096.png?v=1791729299 2-Aminoethanesulfonamide, 95.90% | 4378-70-5 2-Aminoethanesulfonamide|C1613619|4378-70-5 https://www.jk-sci.com/products/s57c4x-248761 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a7d0f4cdcc1be054ea7fb1f5007d2d5.jpg?v=1791709076 Rimegepant Impurity 61, 99.60% | 1190363-43-9 Rimegepant Impurity 61|C4X-248761|1190363-43-9 https://www.jk-sci.com/products/s57c4x-2494100 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5c879ab1-b670-4263-9527-5be5f4213d4f.png?v=1791709048 Dotinurad Impurity 100, 99.30% Dotinurad Impurity 100|C4X-2494100 https://www.jk-sci.com/products/s57c1646527 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a24b94a0fcef3320598ff5b8ec1acb2f.jpg?v=1791729234 3-(2-Methylpiperidin-1-yl)propan-1-ol, 95.60% | 94-88-2 3-(2-Methylpiperidin-1-yl)propan-1-ol|C1646527|94-88-2 https://www.jk-sci.com/products/s57c1753783 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6332ee544eee9dda34a7e4c2c12b26fa.jpg?v=1791729015 5-Deazaflavin, Purity: 100.0% | 26908-38-3 5-Deazaflavin|C1753783|26908-38-3 https://www.jk-sci.com/products/s57c1785835 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dd7a8ec3ce85dcf48b16669a5404add.jpg?v=1791728970 8-Methoxyquinoline-3-carboxylic acid, 98.50% | 71082-36-5 8-Methoxyquinoline-3-carboxylic acid|C1785835|71082-36-5 https://www.jk-sci.com/products/s57c1796881 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03251c6563076d32477f335db71c39e9.jpg?v=1791728870 Carebastine, 99.00% | 90729-42-3 Carebastine|C1796881|90729-42-3 https://www.jk-sci.com/products/s57c1800823 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a4c45bf438ff9086e7a34165ff19949.jpg?v=1791728831 Elamipretide | 736992-21-5 Elamipretide|C1800823|736992-21-5 https://www.jk-sci.com/products/s57c3d-1940 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/425584.png?v=1791728049 Estrone 3-sulfate potassium salt, 98.70% | 1240-04-6 Estrone 3-sulfate potassium salt|C3D-1940|1240-04-6 https://www.jk-sci.com/products/s57c3d-26022 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47a9ae00b532a152d13470e571e3534c.jpg?v=1791727788 4-Chlorobutanamide, 83.80% | 2455-04-1 4-Chlorobutanamide|C3D-26022|2455-04-1 https://www.jk-sci.com/products/s57c4x-24943 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463970e1c40d14a66563d729ff0ab4b3.jpg?v=1791709020 Dotinurad Impurity 3, 92.20% | 1285572-55-5 Dotinurad Impurity 3|C4X-24943|1285572-55-5 https://www.jk-sci.com/products/s57c4x-250313 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf16c34391c3784ab6f837b42f22c3ed_6e874f32-b4f9-4039-9a32-65c4c0d748bc.jpg?v=1791708969 Indocyanine Green Impurity 13, Purity: 99.8% | 4185-69-7 Indocyanine Green Impurity 13|C4X-250313|4185-69-7 https://www.jk-sci.com/products/s57c3d-262343 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/848c78d462d8f4350428c0e5c9eae517.jpg?v=1791727688 Procymidone Impurity 43, Purity: 96.8% | 169327-83-7 Procymidone Impurity 43|C3D-262343|169327-83-7 https://www.jk-sci.com/products/s57c4x-249459 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_689561a7-7290-49cc-806e-ccc93a12c0ad.png?v=1791708992 Dotinurad Impurity 59, 98.90% Dotinurad Impurity 59|C4X-249459 https://www.jk-sci.com/products/s57c3d-3172 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347663.png?v=1791727530 Stachydrine Hydrochloride, Purity: 98.4% | 4136-37-2 Stachydrine Hydrochloride|C3D-3172|4136-37-2 https://www.jk-sci.com/products/s57c4x-250342 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2500c199-aaa3-4737-8aed-fec3f485c10f.png?v=1791708948 Indocyanine Green Impurity 42, 93.70% Indocyanine Green Impurity 42|C4X-250342 https://www.jk-sci.com/products/s57c3d-3555 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428838.png?v=1791727403 Tetraamylammonium Chloride, 99.00% | 4965-17-7 Tetraamylammonium Chloride|C3D-3555|4965-17-7 https://www.jk-sci.com/products/s57c4x-250710 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dda85eaa-5de3-46bb-be8b-458462de107e.png?v=1791708936 Salcaprozate Impurity 10, 98.70% Salcaprozate Impurity 10|C4X-250710 https://www.jk-sci.com/products/s57c3d-5830 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1295477a645efcd9ca2eb7d7390fcb78.jpg?v=1791726801 【停用】N-Methyl-perfluorohexane-1-sulfonamide (>90%), Purity: 91.4% | 68259-15-4 【停用】N-Methyl-perfluorohexane-1-sulfonamide (>90%)|C3D-5830|68259-15-4 https://www.jk-sci.com/products/s57c4x-25194 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/491260_a6d7444f-aeb8-439c-a17e-b546808f7d16.png?v=1791708922 Ensitrelvir Impurity 4 HCl, 91.00% | 135206-76-7 Ensitrelvir Impurity 4 HCl|C4X-25194|135206-76-7 https://www.jk-sci.com/products/s57c3d-5872 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29148651b4206b5831bcb205bb25de9b.jpg?v=1791726784 (S)-2-(3,4-difluorophenyl)oxirane, 98.60% | 1006376-63-1 (S)-2-(3,4-difluorophenyl)oxirane|C3D-5872|1006376-63-1 https://www.jk-sci.com/products/s57c4x-252015 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43550e4b-a515-4419-b0d5-14ef9f1f6c76.png?v=1791708912 Pitolisant impurity 15, 98.60% Pitolisant impurity 15|C4X-252015 https://www.jk-sci.com/products/s57c3d-5970 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456798.png?v=1791726747 1-Oleoyl-sn-glycero-3-phosphocholine, Purity: 97.8% | 19420-56-5 1-Oleoyl-sn-glycero-3-phosphocholine|C3D-5970|19420-56-5 https://www.jk-sci.com/products/s57c3d-6093 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526321.png?v=1791726682 Bis(4-nitrophenyl) carbonate, 92.50% | 5070-13-3 Bis(4-nitrophenyl) carbonate|C3D-6093|5070-13-3 https://www.jk-sci.com/products/s57c4x-25207 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_482ffe13-b844-49ab-bd65-66228c6c19ba.png?v=1791708882 Pitolisant impurity 7, 97.70% Pitolisant impurity 7|C4X-25207 https://www.jk-sci.com/products/s57c4x-253611 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e948e436f478f33da6af379491dc8c5.jpg?v=1791708853 (S)-2-amino-5-((S)-3-amino-3-carboxypropanamido)pentanoic, 94.70% | 2135301-50-5 (S)-2-amino-5-((S)-3-amino-3-carboxypropanamido)pentanoic|C4X-253611|2135301-50-5 https://www.jk-sci.com/products/s57c4x-252028 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_14635bd2-23c8-46c8-b1f0-993a39175e45.png?v=1791708895 Pitolisant impurity 28, Purity: 96.8% Pitolisant impurity 28|C4X-252028 https://www.jk-sci.com/products/s57c4x-25621 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359513_f490c2c7-9584-4e07-87c6-5b6c37e2d0cf.png?v=1791708809 5-Oxo-1-(4-Sulfophenyl)-4,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid, 82.40% | 118-47-8 5-Oxo-1-(4-Sulfophenyl)-4,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid|C4X-25621|118-47-8 https://www.jk-sci.com/products/s57c4x-25368 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75a0afc7e20c527b18fcd579ef2675d3.jpg?v=1791708837 L-Ornithine Dimer, 73.20% | 195868-13-4 L-Ornithine Dimer|C4X-25368|195868-13-4 https://www.jk-sci.com/products/s57c4x-25712 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ddca820-6479-465a-afe4-90914a336bf0.png?v=1791708798 Aminocaproic Acid Impurity 2 HCl, 88.80% Aminocaproic Acid Impurity 2 HCl|C4X-25712 https://www.jk-sci.com/products/s57c3d-6140 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91f715044ceda99fb631f5a11832f54a.jpg?v=1791726656 (8Z,11Z,14Z)-Octadecatrienoic Acid Ethyl Ester, 99.40% | 2347415-30-7 (8Z,11Z,14Z)-Octadecatrienoic Acid Ethyl Ester|C3D-6140|2347415-30-7 https://www.jk-sci.com/products/s57c4x-25522 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462147_471f0e91-d235-4abb-8c7e-4cd13c783936.png?v=1791708824 Sulfadiazine Impurity 2, 99.00% | 109-12-6 Sulfadiazine Impurity 2|C4X-25522|109-12-6 https://www.jk-sci.com/products/s57c4x-26301 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e886f0333e99eae18fd4499ee1f884ad.jpg?v=1791708639 Pyridostigmine Impurity 1, 99.60% | 31034-86-3 Pyridostigmine Impurity 1|C4X-26301|31034-86-3 https://www.jk-sci.com/products/s57c4x-2621 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a42f34b49c4553dd7600edd4e2f68cd.jpg?v=1791708709 Landiolol Hydrochloride, 98.90% | 144481-98-1 Landiolol Hydrochloride|C4X-2621|144481-98-1 https://www.jk-sci.com/products/s57c4x-262186 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c4df13a2-532a-4c0d-9d07-b01a868e201e.png?v=1791708676 Landiolol Impurity 86, Purity: 99.4% Landiolol Impurity 86|C4X-262186 https://www.jk-sci.com/products/s57c4x-25992 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352158_27791ff7-1e16-4510-af6c-7caa8fcf1f05.png?v=1791708756 N,N-dimethyltetradecan-1-amine, 99.70% | 112-75-4 N,N-dimethyltetradecan-1-amine|C4X-25992|112-75-4 https://www.jk-sci.com/products/s57c4x-101711 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ded43004-f314-455c-96d5-d8e6a3b9df00.png?v=1791726224 Vardenafil Impurity 11, Purity: 97.8% Vardenafil Impurity 11|C4X-101711 https://www.jk-sci.com/products/s57c4x-26238 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0358c279d19688b01c5c56cf9b76c282.jpg?v=1791708648 Procaine Impurit 8, 99.40% | 59265-81-5 Procaine Impurit 8|C4X-26238|59265-81-5 https://www.jk-sci.com/products/s57c4x-10192 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/183fae23e0d7e40de523b905f6b14c42_3372f31e-5ab6-43da-8832-9c9074de00d2.jpg?v=1791726164 Fluconazole EP Impurity C, 98.90% | 514222-44-7 Fluconazole EP Impurity C|C4X-10192|514222-44-7 https://www.jk-sci.com/products/s57c4x-10285 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6a3b222c0155aa25ba46c85f68c1ecd.jpg?v=1791725892 Lurasidone Impurity 5, 99.00% | 1448443-35-3 Lurasidone Impurity 5|C4X-10285|1448443-35-3 https://www.jk-sci.com/products/s57c4x-26397 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/434391_0dc0bf78-67db-4162-bbf7-86c5ca393dfe.png?v=1791708628 Butoxybenzene, 99.40% | 1126-79-0 Butoxybenzene|C4X-26397|1126-79-0 https://www.jk-sci.com/products/s57c4x-26382 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de1976a5cae91d3c0d99d247bc1e30a3.jpg?v=1791708635 Methyl chlorosulfonate, Purity: 99.0% | 812-01-1 Methyl chlorosulfonate|C4X-26382|812-01-1 https://www.jk-sci.com/products/s57c4x-10607 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/569dd8f723a96a3e2f2e773121e58cb6.jpg?v=1791725040 Bromhexine Impurity 7, 99.50% | 1631131-52-6 Bromhexine Impurity 7|C4X-10607|1631131-52-6 https://www.jk-sci.com/products/s57c4x-106730 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443788_0845d17e-589b-4829-9bf7-a38ad17035d6.png?v=1791724749 Levetiracetam Impurity 30, 99.50% | 5959-29-5 Levetiracetam Impurity 30|C4X-106730|5959-29-5 https://www.jk-sci.com/products/s57c4x-258319 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8e505ad-0f35-4af6-8573-e2c8e4e65531.png?v=1791708773 Phenylbutyrate Impurity 19, Purity: 99.3% Phenylbutyrate Impurity 19|C4X-258319 https://www.jk-sci.com/products/s57c4x-26461 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d6ebb7cf3fd1005227e080fc59bcd91_1d7f9b8e-0a14-4e9c-8a78-ed3f250609e8.jpg?v=1791708617 Campesterol, 99.70% | 474-62-4 Campesterol|C4X-26461|474-62-4 https://www.jk-sci.com/products/s57c4x-262144 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127037_59a81f2e-7b84-4ee7-8e78-d8e31185c51f.png?v=1791708691 Landiolol Impurity 44, 99.10% | 115314-14-2 Landiolol Impurity 44|C4X-262144|115314-14-2 https://www.jk-sci.com/products/s57c4x-26081 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350699_14c4c09c-f223-4063-a759-e79b7cf7bd19.png?v=1791708740 2-hydroxy-1-phenyl-ethanon, Purity: 100.0% | 582-24-1 2-hydroxy-1-phenyl-ethanon|C4X-26081|582-24-1 https://www.jk-sci.com/products/s57c4x-260910 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9078363457080ee31b24b3d4c33b8687.jpg?v=1791708726 Ethacridine Lactate Impurity 10, 97.80% | 5568-33-2 Ethacridine Lactate Impurity 10|C4X-260910|5568-33-2 https://www.jk-sci.com/products/s57c4x-262230 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52c4a0b5-51b1-4961-9ea0-691156e5dc3b.png?v=1791708661 Ramelteon Impurity 30, 97.60% Ramelteon Impurity 30|C4X-262230 https://www.jk-sci.com/products/s57c4x-27461 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f772b618e8f601e43914fef1811c8598.jpg?v=1791708612 Bambuterol EP Impurity E, 99.50% | 81732-48-1 Bambuterol EP Impurity E|C4X-27461|81732-48-1 https://www.jk-sci.com/products/s57c4x-2748 2026-10-11T14:54:14-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/801141_72c37177-dc03-4f46-9f99-8476d811eabe.png?v=1791708602 Tetrabenazine, 98.90% | 58-46-8 Tetrabenazine|C4X-2748|58-46-8