https://www.jk-sci.com/products/s57c4x-130014 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/567538.png?v=1774969470 Tacrolimus Monohydrate | 109581-93-3 Tacrolimus Monohydrate|C4X-130014|109581-93-3 https://www.jk-sci.com/products/s57c4x-13491 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312772_5343c35d-880f-4d40-a58f-fd35fc1d41ab.png?v=1774971645 Terazosin EP Impurity A（Doxazosin EP Impurity F） | 23680-84-4 Terazosin EP Impurity A（Doxazosin EP Impurity F）|C4X-13491|23680-84-4 https://www.jk-sci.com/products/s57c4x-312854 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cb5b4439d4c18d844c77abfb5f80b67.jpg?v=1776418972 Nemonoxacin Impurity 54 | 269407-02-5 Nemonoxacin Impurity 54|C4X-312854|269407-02-5 https://www.jk-sci.com/products/j5328883 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27521ce18b4848ada5d3734fe6f36b99.jpg?v=1776358957 2-Amino-3-nitro-5-fluoropyridine | 212268-12-7 2-Amino-3-nitro-5-fluoropyridine|28883|212268-12-7 https://www.jk-sci.com/products/s57c4x-13663 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499429.png?v=1774971667 Voriconazole EP Impurity C | 137234-88-9 Voriconazole EP Impurity C|C4X-13663|137234-88-9 https://www.jk-sci.com/products/j5328905 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ec6e4601975808b11d56803a1825e3d.jpg?v=1776358993 2-Chloro-4-iodobenzoic acid | 145343-76-6 2-Chloro-4-iodobenzoic acid|28905|145343-76-6 https://www.jk-sci.com/products/s57c4x-13698 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00771e88-d377-4c67-af84-80e6e274d5a9.png?v=1774969542 Mianserin EP Impurity B Mianserin EP Impurity B|C4X-13698 https://www.jk-sci.com/products/s57c4x-13847 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487100_260a9a85-cadd-4078-b454-2d471c1a7b8b.png?v=1774969552 Rivastigmine EP Impurity G | 23308-82-9 Rivastigmine EP Impurity G|C4X-13847|23308-82-9 https://www.jk-sci.com/products/s57c4x-312863 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e07f9522b6d8e7dc133464143cac521.jpg?v=1776418974 Nemonoxacin Impurity 63 | 951163-62-5 Nemonoxacin Impurity 63|C4X-312863|951163-62-5 https://www.jk-sci.com/products/s57c4x-13933 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb513659e37810c72a66f4437950f4b8.jpg?v=1776411196 Alfacalcidol EP Impurity C | 82266-85-1 Alfacalcidol EP Impurity C|C4X-13933|82266-85-1 https://www.jk-sci.com/products/s57c4x-312866 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c4x-13944 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402557.png?v=1774971693 Ondansetron EP Impurity D | 99614-64-9 Ondansetron EP Impurity D|C4X-13944|99614-64-9 https://www.jk-sci.com/products/j5328927 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc3b3e48d7518e9d7e7b2e0fce00a7a6.jpg?v=1776359038 3-(Hydroxymethyl)benzoic acid | 28286-79-5 3-(Hydroxymethyl)benzoic acid|28927|28286-79-5 https://www.jk-sci.com/products/j5328915 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5821dafdd7693712d93894a46b1fed6b.jpg?v=1776359006 2-Amino-3-methyl-benzoic acid methyl ester | 22223-49-0 2-Amino-3-methyl-benzoic acid methyl ester|28915|22223-49-0 https://www.jk-sci.com/products/s57c4x-31287 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ea6fdcf-4380-4492-9805-0753c29e87c9.png?v=1775061109 Nemonoxacin Impurity 7 Nemonoxacin Impurity 7|C4X-31287 https://www.jk-sci.com/products/s57c4x-31288 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cae0b10854f2b17c2959825e911f0c5c.jpg?v=1776418981 Nemonoxacin Impurity 8 | 378746-65-7 Nemonoxacin Impurity 8|C4X-31288|378746-65-7 https://www.jk-sci.com/products/s57c4x-139652 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb086e101f90e1f8f1818ea4677a10d2.jpg?v=1776411255 Azelastine Impurity 52 | 1107016-94-3 Azelastine Impurity 52|C4X-139652|1107016-94-3 https://www.jk-sci.com/products/s57c4x-312883 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a984f34e-cbe0-4acd-ba7f-efd2b1b319c3.png?v=1774721348 Nemonoxacin Impurity 83 Nemonoxacin Impurity 83|C4X-312883 https://www.jk-sci.com/products/s57c4x-31289 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3fb9f76a-b6eb-4ecf-9718-8e6a21e3e6b3.png?v=1775156445 Nemonoxacin Impurity 9 Nemonoxacin Impurity 9|C4X-31289 https://www.jk-sci.com/products/s57c1012834 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca0947405268271149d6ea9a7ecd1ccf.jpg?v=1776401190 5-Bromo-2-fluoro-N-methylbenzamide | 1016777-86-8 5-Bromo-2-fluoro-N-methylbenzamide|C1012834|1016777-86-8 https://www.jk-sci.com/products/s57c1217325 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67dad975e6b5f9be92aa7bf2283c0c71.jpg?v=1776401542 3-Methyl-1H-pyrazol-5-ol | 132712-71-1 3-Methyl-1H-pyrazol-5-ol|C1217325|132712-71-1 https://www.jk-sci.com/products/s57c4x-312895 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_468e1028-131f-4bbe-9055-8d2fec9885a9.png?v=1774903250 Nemonoxacin Malate 1/2H2O Nemonoxacin Malate 1/2H2O|C4X-312895 https://www.jk-sci.com/products/s57c4x-31391 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a1c7047-6635-432e-a1d5-2c903db9db18.png?v=1774967277 BPA Impurity 1 BPA Impurity 1|C4X-31391 https://www.jk-sci.com/products/s57c4x-3152 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340144.png?v=1775142149 Mifobate | 76541-72-5 Mifobate|C4X-3152|76541-72-5 https://www.jk-sci.com/products/s57c4x-31731 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef8b5c263f022e10079d3a184cd62538.jpg?v=1784618958 Adenosine Cyclophosphate Impurity 1 | 32465-18-2 Adenosine Cyclophosphate Impurity 1|C4X-31731|32465-18-2 https://www.jk-sci.com/products/j5328934 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515d4331a07a0374667b79c1ebbce242.jpg?v=1776359055 2-Bromo-4-methoxypyridine | 89488-29-9 2-Bromo-4-methoxypyridine|28934|89488-29-9 https://www.jk-sci.com/products/s57c1349923 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e65edec0bd76ccc749b00306ea24bd9.jpg?v=1776401796 4-Isopropylbenzenesulfonic acid | 16066-35-6 4-Isopropylbenzenesulfonic acid|C1349923|16066-35-6 https://www.jk-sci.com/products/s57c1427241 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2eb15ec561b9b68ea501a65923c1bfa.jpg?v=1776401906 2-Amino-5-Fluoro-4-Nitrophenol | 1850312-96-7 2-Amino-5-Fluoro-4-Nitrophenol|C1427241|1850312-96-7 https://www.jk-sci.com/products/s57c4x-32327 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_76354571-8fd4-4b82-a49b-5e68dbbbb9a1.png?v=1774965853 Elacestrant Impurity 7 Elacestrant Impurity 7|C4X-32327 https://www.jk-sci.com/products/s57c4x-31801 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/673851d4a91c85e1e8da726777376164.jpg?v=1776418993 (R)-1-(2-Aminoacetyl)-4,4-difluoropyrrolidine-2-carbonitrile hydrochloride | 2355270-76-5 (R)-1-(2-Aminoacetyl)-4,4-difluoropyrrolidine-2-carbonitrile hydrochloride|C4X-31801|2355270-76-5 https://www.jk-sci.com/products/s57c1595080 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45a4d4334caa5077ec16a43c05efb782.jpg?v=1776402223 2,3,3-Trimethyl-3H-benzo[g]indole | 74470-85-2 2,3,3-Trimethyl-3H-benzo[g]indole|C1595080|74470-85-2 https://www.jk-sci.com/products/s57c4x-320014 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7433152af7f5ddc271914472c02fb546.jpg?v=1776418999 Vazegepant Impurity 14 | 928014-62-4 Vazegepant Impurity 14|C4X-320014|928014-62-4 https://www.jk-sci.com/products/s57c4x-323415 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c1625303 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/545709.png?v=1774971411 2-Chlorostyrene | 2039-87-4 2-Chlorostyrene|C1625303|2039-87-4 https://www.jk-sci.com/products/s57c4x-323427 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7d206b6989e1bc67e0a8e8407f511b1_66a52c23-3279-444e-a80e-bbbc5f959263.jpg?v=1776419009 Orforglipron impurity 27 | 465529-57-1 Orforglipron impurity 27|C4X-323427|465529-57-1 https://www.jk-sci.com/products/s57c1732158 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353008_687f2bc9-7853-42cb-b90b-9d9925611832.png?v=1774971420 Ethyl Pyrazole-4-carboxylate | 37622-90-5 Ethyl Pyrazole-4-carboxylate|C1732158|37622-90-5 https://www.jk-sci.com/products/j5328941 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a09e5c883a203884c8c7be16230994.jpg?v=1776359069 1-Phenyl-3-chloro-1-propyne | 3355-31-5 1-Phenyl-3-chloro-1-propyne|28941|3355-31-5 https://www.jk-sci.com/products/s57c1756912 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa26b20972e1f96d81a227b58c348955.jpg?v=1776402538 5-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ol | 32920-08-4 5-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ol|C1756912|32920-08-4 https://www.jk-sci.com/products/s57c4x-323432 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9e93b51f-9405-4279-b8d7-bd541e7e77ac.png?v=1774900906 Orforglipron impurity 32 Orforglipron impurity 32|C4X-323432 https://www.jk-sci.com/products/s57c1764692 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50424414136b21084f281b73e920ef19.jpg?v=1776402548 6,6'-Disulfanediylbis(2,4-di-tert-butylphenol) | 64953-47-5 6,6'-Disulfanediylbis(2,4-di-tert-butylphenol)|C1764692|64953-47-5 https://www.jk-sci.com/products/s57c1826854 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e52f6e6b0a7e43388e2d32ddbd275f44.jpg?v=1776402861 Hydroxychloroquine Impurity N54 | 5448-52-2 Hydroxychloroquine Impurity N54|C1826854|5448-52-2 https://www.jk-sci.com/products/s57c4x-323444 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70c5d889-fbab-4746-bb8b-00709b4c1574.png?v=1774903259 Orforglipron Impurity 44 Orforglipron Impurity 44|C4X-323444 https://www.jk-sci.com/products/s57c1890922 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162022.png?v=1774973904 Propyl 2-hydroxybenzoate | 607-90-9 Propyl 2-hydroxybenzoate|C1890922|607-90-9 https://www.jk-sci.com/products/j5328963 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da842735292576dd222c39df58472b5e.jpg?v=1776359101 (R)-N-(tert-butoxycarbonyl)-3-hydroxypiperidine | 143900-43-0 (R)-N-(tert-butoxycarbonyl)-3-hydroxypiperidine|28963|143900-43-0 https://www.jk-sci.com/products/s57c4x-323451 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_992f6880-8f33-495d-bf98-e932ab5fdd00.png?v=1775071814 Orforglipron Impurity 51 Orforglipron Impurity 51|C4X-323451 https://www.jk-sci.com/products/s57c3d-1922 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355403.png?v=1774973927 1-Methyl-3-pyrrolidinol | 13220-33-2 1-Methyl-3-pyrrolidinol|C3D-1922|13220-33-2 https://www.jk-sci.com/products/s57c4x-323465 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_06e10d19-5275-4f1d-a2d6-b51304a46676.png?v=1775063385 Orforglipron impurity 65 Orforglipron impurity 65|C4X-323465 https://www.jk-sci.com/products/j5328973 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cf740ec07073c34ad3c93be4c499c0e.jpg?v=1776359125 5-Bromo-2-hydroxy-4-methyl-3-nitropyridine | 228410-90-0 5-Bromo-2-hydroxy-4-methyl-3-nitropyridine|28973|228410-90-0 https://www.jk-sci.com/products/s57c4x-323480 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c3d-2941 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5115f504f7ce4f18b6c7e24a9fc657c6.jpg?v=1776403556 2-Naphthol-6,8-Disulfonic Acid Disodium Salt | 842-19-3 2-Naphthol-6,8-Disulfonic Acid Disodium Salt|C3D-2941|842-19-3 https://www.jk-sci.com/products/s57c3d-3042 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e9aeb7a65b8675506a9dcb6e99ab637.jpg?v=1776403566 N-Nitrosoisopropylethyl Amine (Mixture of Isomers) | 16339-04-1 N-Nitrosoisopropylethyl Amine (Mixture of Isomers)|C3D-3042|16339-04-1 https://www.jk-sci.com/products/s57c4x-32372 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43bd6212816d6300a5c3f2e36ccb9065.jpg?v=1776419012 Gastrodin impurity 2 | 31873-42-4 Gastrodin impurity 2|C4X-32372|31873-42-4 https://www.jk-sci.com/products/s57c4x-324712 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9880fb35-3004-434e-b2cf-c7c537a6c9a3.png?v=1774734649 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2|C4X-324712 https://www.jk-sci.com/products/j5327622 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3fe79c022eb1a9a2e074ac954c7dc23.jpg?v=1776356225 3,3-Dimethylbutyraldehyde | 2987-16-8 3,3-Dimethylbutyraldehyde|27622|2987-16-8 https://www.jk-sci.com/products/s57c4x-324714 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_01ba9f36-e266-4e22-8225-b8a7d6051048.png?v=1774671003 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-D-Arg-NH2 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-D-Arg-NH2|C4X-324714 https://www.jk-sci.com/products/s57c4x-324717 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c224582-8fbf-479a-957e-0eed59512597.png?v=1775142151 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-Arg-D-Arg-D-Ala-D-Arg-NH2 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-Arg-D-Arg-D-Ala-D-Arg-NH2|C4X-324717 https://www.jk-sci.com/products/s57c4x-100645 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368418_8b7e679f-1a0d-4c62-8053-9fce7275c1d8.png?v=1774974012 2-(Diethoxyphosphoryl)acetic acid | 3095-95-2 2-(Diethoxyphosphoryl)acetic acid|C4X-100645|3095-95-2 https://www.jk-sci.com/products/s57c4x-10101 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd18a4011cd40ba2c635036b584ec287.jpg?v=1776404346 Acyclovir EP Impurity C | 91702-61-3 Acyclovir EP Impurity C|C4X-10101|91702-61-3 https://www.jk-sci.com/products/j5328132 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00c1eeb09d8c97f803923d9a54886bdc.jpg?v=1776357265 4-Ethynylaniline | 14235-81-5 4-Ethynylaniline|28132|14235-81-5 https://www.jk-sci.com/products/j5327916 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d08949beeee868eab68cd16c9183ea63.jpg?v=1776356902 4-Amino-3,5-dichloropyridine | 228809-78-7 4-Amino-3,5-dichloropyridine|27916|228809-78-7 https://www.jk-sci.com/products/j5328228 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0780058dbf00e546b5b06a35721e2f7.jpg?v=1776357460 (2-Benzothiazolylthio)acetic acid | 6295-57-4 (2-Benzothiazolylthio)acetic acid|28228|6295-57-4 https://www.jk-sci.com/products/s57c4x-10209 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e3cc5fb5-0ca7-4fad-8bd2-2db6f5bbde21.png?v=1774971506 Vonoprazan Fumarate Impurity 9 | 14476-72-3 Vonoprazan Fumarate Impurity 9|C4X-10209|14476-72-3 https://www.jk-sci.com/products/s57c4x-324720 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c4x-102982 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddb1d65493078134f57f48b973e24cb2.jpg?v=1776404770 Clopidogrel Impurity 82 | 1015247-87-6 Clopidogrel Impurity 82|C4X-102982|1015247-87-6 https://www.jk-sci.com/products/s57c4x-32478 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87fd3ae1-7854-4af5-b907-624ea939022a.png?v=1775156449 Ac-D-Cys(H-Cys-OH)-D-AIa-D-Arg-D-Arg-D-Arg-D-Arg-NH2 Ac-D-Cys(H-Cys-OH)-D-AIa-D-Arg-D-Arg-D-Arg-D-Arg-NH2|C4X-32478 https://www.jk-sci.com/products/j5328271 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32e1bdab9fdd0e7e2da099e64e1a8e5f.jpg?v=1776357583 4-Ethoxy-3-aminopyridine | 1633-43-8 4-Ethoxy-3-aminopyridine|28271|1633-43-8 https://www.jk-sci.com/products/j5328328 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/658fba365822aa8e9f2794b246757080.jpg?v=1776357704 6-Methyl-2-pyridinone | 3279-76-3 6-Methyl-2-pyridinone|28328|3279-76-3 https://www.jk-sci.com/products/j5328425 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09113e7fd63b30ec2aab3d4514d63dfa.jpg?v=1776357900 5-Amino-2-methylpyridine | 3430-14-6 5-Amino-2-methylpyridine|28425|3430-14-6 https://www.jk-sci.com/products/s57c4x-103721 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19b6116c967a6bb5e05d41d8332441e5.jpg?v=1776404886 Pitavastatin Impurity 21 | 154057-56-4 Pitavastatin Impurity 21|C4X-103721|154057-56-4 https://www.jk-sci.com/products/j5328482 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fab99787d3a7077955f7b5e1151baae.jpg?v=1776358031 3-Bromo-4-ethoxybenzoic acid | 24507-29-7 3-Bromo-4-ethoxybenzoic acid|28482|24507-29-7 https://www.jk-sci.com/products/s57c4x-1043 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549485_fe908d9b-974c-4ae1-9d21-fd7eed9b8da2.png?v=1774971525 Celecoxib | 169590-42-5 Celecoxib|C4X-1043|169590-42-5 https://www.jk-sci.com/products/s57c4x-32481 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dae2e76c9183dd03b9da9a39c2345d27.jpg?v=1776419015 Lenacapavir Impurity 1 | 2189684-54-4 Lenacapavir Impurity 1|C4X-32481|2189684-54-4 https://www.jk-sci.com/products/s57c4x-10474 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8625bb19961cefc39b72d84599a32671.jpg?v=1776405045 Regorafenib Impurity 4 | 1187945-05-6 Regorafenib Impurity 4|C4X-10474|1187945-05-6 https://www.jk-sci.com/products/j5328526 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/722266a9032b67c93c8c0436b704f6ff.jpg?v=1776358126 5-Amino-2-bromopyridine | 13534-97-9 5-Amino-2-bromopyridine|28526|13534-97-9 https://www.jk-sci.com/products/s57c4x-10562 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299087.png?v=1774971530 Vortioxetine Impurity 2 | 1011-13-8 Vortioxetine Impurity 2|C4X-10562|1011-13-8 https://www.jk-sci.com/products/s57c4x-10563 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3af21694a13ed77cacbe355ed5e9bc51.jpg?v=1776405278 Vortioxetine Impurity 3 | 960203-41-2 Vortioxetine Impurity 3|C4X-10563|960203-41-2 https://www.jk-sci.com/products/j5328553 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d03940f3156973e58afe9706b6c03b79.jpg?v=1776358200 3-Bromo-2-chloro-5-methylpyridine | 17282-03-0 3-Bromo-2-chloro-5-methylpyridine|28553|17282-03-0 https://www.jk-sci.com/products/s57c4x-10674 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f4da1c6b9c15268f84028926dda291f_f09dc799-3f76-4647-ac96-2aa8609b9cd9.jpg?v=1776405721 Levetiracetam EP Impurity D | 103765-01-1 Levetiracetam EP Impurity D|C4X-10674|103765-01-1 https://www.jk-sci.com/products/s57c4x-107329 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d9a6ee1a4edbe313b5372ff5b61a991.jpg?v=1776405909 Linezolid Impurity 29 | 496031-57-3 Linezolid Impurity 29|C4X-107329|496031-57-3 https://www.jk-sci.com/products/j5328596 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59dbdea9a74b4c3cb786d0f89e5cdebe.jpg?v=1776358289 2-Amino-3-nitrobenzoic acid methyl ester | 57113-91-4 2-Amino-3-nitrobenzoic acid methyl ester|28596|57113-91-4 https://www.jk-sci.com/products/s57c4x-1088 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22ed80c965d2eaca0ab5cc5b0ea399de.jpg?v=1776406503 Apixaban | 503612-47-3 Apixaban|C4X-1088|503612-47-3 https://www.jk-sci.com/products/j5328622 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d34131bcbbdec14c655ee285f65a231.jpg?v=1776358341 5-Cyano-2-methoxyphenol | 52805-46-6 5-Cyano-2-methoxyphenol|28622|52805-46-6 https://www.jk-sci.com/products/s57c4x-119012 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f279425b043621317928a9858036014b.jpg?v=1776408988 Captopril EP Impurity D | 56970-78-6 Captopril EP Impurity D|C4X-119012|56970-78-6 https://www.jk-sci.com/products/j5328693 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abe24e150d915831d425b6c41e48df1f.jpg?v=1776358487 2-Bromo-5-chloro-3-methylpyridine | 65550-77-8 2-Bromo-5-chloro-3-methylpyridine|28693|65550-77-8 https://www.jk-sci.com/products/j5328645 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b693b49c80f1468aa4f5b54a8ea2da72.jpg?v=1776358404 4-Chloro-2-methoxybenzyl alcohol | 55685-75-1 4-Chloro-2-methoxybenzyl alcohol|28645|55685-75-1 https://www.jk-sci.com/products/j5328719 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18979196f419015aaf1cbe3bdf986e5b.jpg?v=1776358552 3-Bromophenylmethylsulfone | 34896-80-5 3-Bromophenylmethylsulfone|28719|34896-80-5 https://www.jk-sci.com/products/s57c4x-13403 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223161.png?v=1774974261 Clozapine EP impurity C | 6104-71-8 Clozapine EP impurity C|C4X-13403|6104-71-8 https://www.jk-sci.com/products/s57c4x-135917 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bc0928e1c2949b4e42bb63d29a23d4e.jpg?v=1776410737 Telmisartan Impurity 17 | 1352492-08-0 Telmisartan Impurity 17|C4X-135917|1352492-08-0 https://www.jk-sci.com/products/s57c4x-136221 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436862.png?v=1774971662 Ciprofloxacin Impurity 21 | 93594-39-9 Ciprofloxacin Impurity 21|C4X-136221|93594-39-9 https://www.jk-sci.com/products/s57c4x-136911 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589842_1da90f66-dbe5-4bf3-a30c-bd3a2a19f87e.png?v=1774974317 Mianserin Impurity 11 | 5344-90-1 Mianserin Impurity 11|C4X-136911|5344-90-1 https://www.jk-sci.com/products/s57c4x-13891 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428068.png?v=1774974328 Budesonide EP Impurity A | 13951-70-7 Budesonide EP Impurity A|C4X-13891|13951-70-7 https://www.jk-sci.com/products/j5328737 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2872497eb88ee7d757445c9a1f145f03.jpg?v=1776358598 3-Bromo-2-hydroxypyridine | 13466-43-8 3-Bromo-2-hydroxypyridine|28737|13466-43-8 https://www.jk-sci.com/products/j5328754 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/926fd107507c97fc39a01ffe8c8fb5db.jpg?v=1776358632 Boc-1-Amino-1-cyclooctanecarboxylic acid | 199330-75-1 Boc-1-Amino-1-cyclooctanecarboxylic acid|28754|199330-75-1 https://www.jk-sci.com/products/j5328770 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68c476a02ab2980974b77027192f875a.jpg?v=1776358666 5-Bromo-2-chloro-4-methylpyridine | 778611-64-6 5-Bromo-2-chloro-4-methylpyridine|28770|778611-64-6 https://www.jk-sci.com/products/j5328791 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/542679c6a39a4d6c67eb843bfb598456.jpg?v=1776358710 2-Amino-4-pyridinecarbamide | 13538-42-6 2-Amino-4-pyridinecarbamide|28791|13538-42-6 https://www.jk-sci.com/products/s57c4x-138921 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a558a993a527ea5631cfe8f090919ab2.jpg?v=1776411112 Budesonide Impurity 21 | 85234-64-6 Budesonide Impurity 21|C4X-138921|85234-64-6 https://www.jk-sci.com/products/s57c1117555 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18d625a75a3ba9e497f1d2c42fb636d5_daa408f3-4a84-4d26-9699-e4ad453f9bf0.jpg?v=1776401393 Oclacitinib Maleate | 1208319-27-0 Oclacitinib Maleate|C1117555|1208319-27-0 https://www.jk-sci.com/products/j5328779 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b048e67b46a9f9cd05ca8e2dc6974098.jpg?v=1776358684 2-Bromo-4-nitropyridine | 6945-67-1 2-Bromo-4-nitropyridine|28779|6945-67-1 https://www.jk-sci.com/products/s57c1365621 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd2c4f32a0c364ec1e914f54c11d146.jpg?v=1776401840 3-Chloro-2-formylbenzoic acid | 169310-05-8 3-Chloro-2-formylbenzoic acid|C1365621|169310-05-8 https://www.jk-sci.com/products/j5328802 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2460e00d005d91a82d52269967cec090.jpg?v=1776358741 Neohesperidin dihydrochalcone hydrate | 20702-77-6 Neohesperidin dihydrochalcone hydrate|28802|20702-77-6 https://www.jk-sci.com/products/s57c1468010 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1eac447ac54e8f4eb2768c1a99a74671.jpg?v=1776401953 (2R,3R,4S,5R)-5-(hydroxymethyl)tetrahydrofuran-2,3,4-triol | 36468-53-8 (2R,3R,4S,5R)-5-(hydroxymethyl)tetrahydrofuran-2,3,4-triol|C1468010|36468-53-8 https://www.jk-sci.com/products/j5328820 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2866dbc95c0fe9f0229689b903ebd44b.jpg?v=1776358777 2-Chloro-5-hydroxybenzoic acid | 56961-30-9 2-Chloro-5-hydroxybenzoic acid|28820|56961-30-9 https://www.jk-sci.com/products/s57c1732426 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514954.png?v=1774984423 4-Thioureidobenzoic acid | 7366-56-5 4-Thioureidobenzoic acid|C1732426|7366-56-5 https://www.jk-sci.com/products/s57c1796545 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b8b9f95b29b6d6e0c631325c28a2bd0.jpg?v=1776402670 Calcium Dobesilate Impurity N4 Bis-diethylamine Salt | 57775-25-4 Calcium Dobesilate Impurity N4 Bis-diethylamine Salt|C1796545|57775-25-4 https://www.jk-sci.com/products/j5328837 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bacc8f61ee2c9b80170e9a3e6c9e60eb.jpg?v=1776358818 5-Bromo-2,3-dichloropyridine | 97966-00-2 5-Bromo-2,3-dichloropyridine|28837|97966-00-2 https://www.jk-sci.com/products/s57c1822547 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399416_19ef71ac-63e1-405c-9c02-f017b295dd7b.png?v=1774973889 Ethyl Glycidyl Ether | 4016-11-9 Ethyl Glycidyl Ether|C1822547|4016-11-9 https://www.jk-sci.com/products/s57c1843967 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba80d32db3c73edd72827f839da9ce97.jpg?v=1776402950 Methyl 4-hydroxy-3-methoxy-5-nitrobenzoate | 42590-00-1 Methyl 4-hydroxy-3-methoxy-5-nitrobenzoate|C1843967|42590-00-1 https://www.jk-sci.com/products/j5328842 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6deb479211594dbb835144022fea1a42.jpg?v=1776358837 2-Chloro-3-fluoro-4-methylpyridine | 881891-82-3 2-Chloro-3-fluoro-4-methylpyridine|28842|881891-82-3 https://www.jk-sci.com/products/s57c1920455 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473485.png?v=1774973914 2-Methylpyrimidine | 5053-43-0 2-Methylpyrimidine|C1920455|5053-43-0 https://www.jk-sci.com/products/j5328866 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a81bffbef584928356117425c668e0c9.jpg?v=1776358917 3-Bromo-5-chloropyridine | 73583-39-8 3-Bromo-5-chloropyridine|28866|73583-39-8 https://www.jk-sci.com/products/j5328854 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe0c28892b00c0b292ef646c30c3ef22.jpg?v=1776358872 3-Fluoro-2-nitropyridine | 54231-35-5 3-Fluoro-2-nitropyridine|28854|54231-35-5 https://www.jk-sci.com/products/j5328889 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2091a7d94bbf391f169ddc5d7028bc4a.jpg?v=1776358968 1-Amino-4-bromoisoquinoline | 55270-27-4 1-Amino-4-bromoisoquinoline|28889|55270-27-4 https://www.jk-sci.com/products/s57c1926433 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376546_ea8233f4-4f0c-4a7c-862f-d9bacb3dfa25.png?v=1774984459 (E)-1,4-Dibromobut-2-ene | 821-06-7 (E)-1,4-Dibromobut-2-ene|C1926433|821-06-7 https://www.jk-sci.com/products/j5328925 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595b476e0c075e7ecff2970310cecc4a.jpg?v=1776359031 3-Furancarboxylic acid methyl ester | 13129-23-2 3-Furancarboxylic acid methyl ester|28925|13129-23-2 https://www.jk-sci.com/products/s57c1928900 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308434_25d74b10-1ed8-4041-902f-54591ac19b4d.png?v=1774973920 Benzoic anhydride | 93-97-0 Benzoic anhydride|C1928900|93-97-0 https://www.jk-sci.com/products/s57c3d-25990 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245256_32bb1d0c-321f-461f-a5e5-16f9cc9ff7bf.png?v=1774973935 2,5-Dioxopyrrolidin-1-yl 6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanoate | 55750-63-5 2,5-Dioxopyrrolidin-1-yl 6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanoate|C3D-25990|55750-63-5 https://www.jk-sci.com/products/s57c3d-262311 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_304b60f1-4e2f-4200-a4ed-a15120c31bdf.png?v=1774973942 Calcobutrol 1:1 Calcium salt Calcobutrol 1:1 Calcium salt|C3D-262311 https://www.jk-sci.com/products/s57c3d-3630 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402023_847ff48a-daa2-4f6e-bf68-0ece0d8ddac6.png?v=1774973977 3-Chloropropiophenone | 936-59-4 3-Chloropropiophenone|C3D-3630|936-59-4 https://www.jk-sci.com/products/s57c3d-3913 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154503_89428709-e8e9-43cd-a15d-ee2a0a754712.png?v=1774973984 3-Azetidinecarboxylic acid | 36476-78-5 3-Azetidinecarboxylic acid|C3D-3913|36476-78-5 https://www.jk-sci.com/products/s57c3d-4555 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110904.png?v=1774984478 (S)-(+)-2-Amino-1-butanol | 5856-62-2 (S)-(+)-2-Amino-1-butanol|C3D-4555|5856-62-2 https://www.jk-sci.com/products/j5328940 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e92a8316c5275917dc90067e9bcb9e20.jpg?v=1776359067 4-Methylthiazole-5-carboxylic acid ethyl ester | 20582-55-2 4-Methylthiazole-5-carboxylic acid ethyl ester|28940|20582-55-2 https://www.jk-sci.com/products/j5328966 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af69e59d66e1497a4ba01807af61fd93.jpg?v=1776359108 N-Benzyl nortropinone hydrochloride | 83393-23-1 N-Benzyl nortropinone hydrochloride|28966|83393-23-1 https://www.jk-sci.com/products/s57c3d-4707 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220486_92cd3736-badf-4afa-8e7b-9fee70b5bfb0.png?v=1774984482 sodium 3-nitrobenzenesulfonate | 127-68-4 sodium 3-nitrobenzenesulfonate|C3D-4707|127-68-4 https://www.jk-sci.com/products/s57c3d-5422 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129254.png?v=1774973997 Sodium Metabisulfite | 7681-57-4 Sodium Metabisulfite|C3D-5422|7681-57-4 https://www.jk-sci.com/products/s57c3d-6220 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559360.png?v=1774984498 1,5-Hexanediol | 928-40-5 1,5-Hexanediol|C3D-6220|928-40-5 https://www.jk-sci.com/products/s57c4x-102036 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352874ed734bc0d9c4f081828114bc07.jpg?v=1776404554 Vonoprazan Impurity 36 | 56448-22-7 Vonoprazan Impurity 36|C4X-102036|56448-22-7 https://www.jk-sci.com/products/s57c4x-101921 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347687_b8d4d137-e80f-4615-bd3e-b03bd5106ce4.png?v=1774974025 Fluconazole Impurity 21 | 288-36-8 Fluconazole Impurity 21|C4X-101921|288-36-8 https://www.jk-sci.com/products/s57c4x-104515 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5396853f7035e26215f312dd22721657.jpg?v=1776405005 Amisulpride EP Impurity B Hydrobromide | 2437254-41-4 Amisulpride EP Impurity B Hydrobromide|C4X-104515|2437254-41-4 https://www.jk-sci.com/products/s57c4x-10651 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfee03c7cabe42642dc34e7fee408e4e.jpg?v=1776405581 Empagliflozin Impurity 1 | 864070-43-9 Empagliflozin Impurity 1|C4X-10651|864070-43-9 https://www.jk-sci.com/products/j5328986 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0871d3bcbf4d419da6d0c45d709fe630.jpg?v=1776359147 4-Methoxyphenyl b-D-glucopyranoside | 6032-32-2 4-Methoxyphenyl b-D-glucopyranoside|28986|6032-32-2 https://www.jk-sci.com/products/s57c4x-107410 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa52072bbe07df51a54a0c73ec82571a.jpg?v=1776405934 Moxifloxacin Impurity 10 | 172602-83-4 Moxifloxacin Impurity 10|C4X-107410|172602-83-4 https://www.jk-sci.com/products/s57c4x-11406 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230222b529532840586419ed4f6295ee.jpg?v=1776408242 Lenvatinib Impurity 6 | 796848-79-8 Lenvatinib Impurity 6|C4X-11406|796848-79-8 https://www.jk-sci.com/products/j5329022 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cca77f49bda3f72265bdf760c6c5e98e.jpg?v=1776359200 2-Bromo-5-chloro-3-nitropyridine | 75806-86-9 2-Bromo-5-chloro-3-nitropyridine|29022|75806-86-9 https://www.jk-sci.com/products/s57c4x-116017 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb0cff8630a76c59c4bd064378206a5b.jpg?v=1776408513 Cholic Aicd Impurity 17 | 2304-91-8 Cholic Aicd Impurity 17|C4X-116017|2304-91-8 https://www.jk-sci.com/products/s57c4x-127210 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fbb24cab178b4204e0405f8dfb4959a.jpg?v=1776410032 Nifuratel Impurity 10 | 45378-62-9 Nifuratel Impurity 10|C4X-127210|45378-62-9 https://www.jk-sci.com/products/j5328975 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8edb5970409b783db722ba649fd3d990.jpg?v=1776359133 5-Methoxy-7-azaindole | 183208-36-8 5-Methoxy-7-azaindole|28975|183208-36-8 https://www.jk-sci.com/products/s57c1023950 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9463afeb8203e4781b4b4ee72f712a.jpg?v=1776401208 2-(2-Hydroxyphenyl)quinazolin-4-ol | 1026-04-6 2-(2-Hydroxyphenyl)quinazolin-4-ol|C1023950|1026-04-6 https://www.jk-sci.com/products/s57c1107097 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/947827a2e9e7e4edf8474f6bb2816049.jpg?v=1776401355 (S)-2-(4-(2-Chlorophenoxy)-2-oxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(1-((R)-2,3-dihydroxypropyl)-1H-pyrazol-3-yl)-4-methylpentanamide | 1191995-00-2 (S)-2-(4-(2-Chlorophenoxy)-2-oxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(1-((R)-2,3-dihydroxypropyl)-1H-pyrazol-3-yl)-4-methylpentanamide|C1107097|1191995-00-2 https://www.jk-sci.com/products/s57c1354563 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2cfa72bfb694088909b19b5c69d0f69.jpg?v=1776401806 3-(methoxy)-N-(3,5-dichloro-4-pyridinyl) -4-difluoromethoxy) benzamide | 162401-29-8 3-(methoxy)-N-(3,5-dichloro-4-pyridinyl) -4-difluoromethoxy) benzamide|C1354563|162401-29-8 https://www.jk-sci.com/products/s57c1416302 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_592212a0-16b2-43e8-8996-5a81ed77b5c4.png?v=1774984413 Vortioxetine impurity 114 HCl Vortioxetine impurity 114 HCl|C1416302 https://www.jk-sci.com/products/s57c1577725 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fdea26d4465cb3da3235e3aac450969.jpg?v=1776402182 2-(4-Bromophenyl)acetamide | 74860-13-2 2-(4-Bromophenyl)acetamide|C1577725|74860-13-2 https://www.jk-sci.com/products/j5329025 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b8d3e08440c627b3b974ff3f591d668.jpg?v=1776359211 2-Isopropyl-4-[(N-methylamino)methyl]thiazole dihydrochloride | 1185167-55-8 2-Isopropyl-4-[(N-methylamino)methyl]thiazole dihydrochloride|29025|1185167-55-8 https://www.jk-sci.com/products/s57c1596253 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61b721085918a939d38e12a25c049d18.jpg?v=1776402227 2,3-Dichloro-4-methoxybenzoic acid | 55901-80-9 2,3-Dichloro-4-methoxybenzoic acid|C1596253|55901-80-9 https://www.jk-sci.com/products/j5328999 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ab2767fe59eafbdc7bbaa811bc20dc6.jpg?v=1776359167 3-Bromo-5-hydroxybenzoic acid | 140472-69-1 3-Bromo-5-hydroxybenzoic acid|28999|140472-69-1 https://www.jk-sci.com/products/s57c1711421 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539976.png?v=1774984418 4-Amino-2,1,3-benzothiadiazole | 767-64-6 4-Amino-2,1,3-benzothiadiazole|C1711421|767-64-6 https://www.jk-sci.com/products/s57c1775498 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518377.png?v=1774984435 6-Nitro-1,2,3,4-tetrahydroquinoxaline | 41959-35-7 6-Nitro-1,2,3,4-tetrahydroquinoxaline|C1775498|41959-35-7 https://www.jk-sci.com/products/j5329031 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e292def062a756cd18613dad2b6a9911.jpg?v=1776359222 Fmoc-(S)-2-(aminomethyl)-3-methylbutanoic acid | 203854-59-5 Fmoc-(S)-2-(aminomethyl)-3-methylbutanoic acid|29031|203854-59-5 https://www.jk-sci.com/products/s57c1790871 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a93b32819e2adfb2902ca6e154d39ff_feaed370-bdb5-4205-bfbf-6f7b2f45c2d1.jpg?v=1776402630 3,5-Dibromo-4-methoxybenzoic Acid | 4073-35-2 3,5-Dibromo-4-methoxybenzoic Acid|C1790871|4073-35-2 https://www.jk-sci.com/products/j5329007 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c00914931b1e09567664235ed168cb0b.jpg?v=1776359183 Methyl 6-amino-6-deoxy-a-D-glucopyranoside | 5155-47-5 Methyl 6-amino-6-deoxy-a-D-glucopyranoside|29007|5155-47-5 https://www.jk-sci.com/products/s57c1896906 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebfb32f281407b4b2d67373277b60049.jpg?v=1776403155 Tadalafil Impurity N6 | 479545-76-1 Tadalafil Impurity N6|C1896906|479545-76-1 https://www.jk-sci.com/products/s57c1925705 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a3e0787d2ead058c6321889648de6a.jpg?v=1776403254 Aminoacetone Hydrochloride | 7737-17-9 Aminoacetone Hydrochloride|C1925705|7737-17-9 https://www.jk-sci.com/products/j5329038 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbda199c05282d92ea9c74a0d0378c74.jpg?v=1776359240 5-Iodo-2-methylpyridine | 695-17-0 5-Iodo-2-methylpyridine|29038|695-17-0 https://www.jk-sci.com/products/s57c3d-2831 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414760_6aa55a0f-aaa1-4496-8918-b5bc4a4c41fb.png?v=1774984464 Fmoc-D-Ala-OH | 79990-15-1 Fmoc-D-Ala-OH|C3D-2831|79990-15-1 https://www.jk-sci.com/products/s57c3d-4109 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291651_5e21b3b5-c78b-40a9-a473-762f2859c699.png?v=1774984469 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol | 2190-15-0 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol|C3D-4109|2190-15-0 https://www.jk-sci.com/products/s57c3d-4276 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/006cd09b16ed33b431ad7067edb7e48c_b1cf7742-17ab-4418-bc0f-c0446185c083.jpg?v=1776403688 3-(4-Methoxybenzoyl)propionic Acid | 3153-44-4 3-(4-Methoxybenzoyl)propionic Acid|C3D-4276|3153-44-4 https://www.jk-sci.com/products/j5329051 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5b51086d10c00e98327a3917f85823d.jpg?v=1776359264 4-Bromo-2-methoxybenzoic acid | 72135-36-5 4-Bromo-2-methoxybenzoic acid|29051|72135-36-5 https://www.jk-sci.com/products/s57c3d-6006 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563718.png?v=1774984493 Azetidin-3-ol Hydrochloride Salt | 18621-18-6 Azetidin-3-ol Hydrochloride Salt|C3D-6006|18621-18-6 https://www.jk-sci.com/products/j5329064 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25253888f025a92f69af457ed9a7c6ed.jpg?v=1776359300 3-(Bromomethyl)-7-chloro-1-benzothiophene | 17512-61-7 3-(Bromomethyl)-7-chloro-1-benzothiophene|29064|17512-61-7 https://www.jk-sci.com/products/j5329056 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2de4a5df2b3b6c9d37fa821fd360e6c5.jpg?v=1776359280 3-Bromo-4-nitroaniline | 40787-96-0 3-Bromo-4-nitroaniline|29056|40787-96-0 https://www.jk-sci.com/products/j5329069 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f557f6eb1015a8ac888128e64a0d9827.jpg?v=1776359307 5-Amino-3-bromo-2-methylpyridine | 186593-43-1 5-Amino-3-bromo-2-methylpyridine|29069|186593-43-1 https://www.jk-sci.com/products/s57c4x-32506 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_404bd432-bb27-489b-b20f-7ddc6062a2ad.png?v=1774903263 Estetrol Impurity 6 Estetrol Impurity 6|C4X-32506 https://www.jk-sci.com/products/s57c4x-100314 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331415989bd47b78fc144eda6ca83034.jpg?v=1776404140 Azithromycin EP Impurity M | 765927-71-7 Azithromycin EP Impurity M|C4X-100314|765927-71-7 https://www.jk-sci.com/products/j5329073 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/188a91302e5476f92e960f62f8b71fbf.jpg?v=1776359316 2,5-Dibromopyrazine | 23229-26-7 2,5-Dibromopyrazine|29073|23229-26-7 https://www.jk-sci.com/products/s57c4x-10061 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51687fe1b2399d89b23d21833035b5db.jpg?v=1776404185 Afatinib Impurity 1 | 314771-88-5 Afatinib Impurity 1|C4X-10061|314771-88-5 https://www.jk-sci.com/products/j5329081 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1e73288ceb0e13eb15da1c66162a47f.jpg?v=1776359331 Fluticasone propionate | 80474-14-2 Fluticasone propionate|29081|80474-14-2 https://www.jk-sci.com/products/j5329092 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d51059e85e8aaf72a6bfed1b9824d10c.jpg?v=1776359354 Tris-Boc-Spermine | 114459-62-0 Tris-Boc-Spermine|29092|114459-62-0 https://www.jk-sci.com/products/j5329089 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f72a6be5d4bef85a368b133f8f1fb62.jpg?v=1776359348 3-Bromo-4-hydroxybenzoic acid hydrate | 14348-41-5 3-Bromo-4-hydroxybenzoic acid hydrate|29089|14348-41-5 https://www.jk-sci.com/products/s57c4x-10096 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fc0478f60ab1866c495670220f388ac.jpg?v=1776404324 Apremilast Impurity 6 | 1809170-71-5 Apremilast Impurity 6|C4X-10096|1809170-71-5 https://www.jk-sci.com/products/j5329123 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381a0ccca7257ba960bf210ecd0dcba4.jpg?v=1776359416 3-Bromo-2-methyl-5-nitropyridine | 186593-42-0 3-Bromo-2-methyl-5-nitropyridine|29123|186593-42-0 https://www.jk-sci.com/products/s57c4x-101211 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5f115ce4-a643-445f-ab85-775db19efe80.png?v=1774984516 Baclofen impurity 11 Baclofen impurity 11|C4X-101211 https://www.jk-sci.com/products/s57c4x-10183 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bade3140fc7ebb641958876302d951cf.jpg?v=1776404476 Choline fenofibrate EP Impurity D | 42019-07-8 Choline fenofibrate EP Impurity D|C4X-10183|42019-07-8 https://www.jk-sci.com/products/j5329129 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd91013863afba903589523ed266d773.jpg?v=1776359429 2-Methoxy-5-methylpyridine | 13472-56-5 2-Methoxy-5-methylpyridine|29129|13472-56-5 https://www.jk-sci.com/products/j5329103 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15a97644b9f94fa86076927d4764cf82.jpg?v=1776359383 5-Amino-4-chloro-3-methylisoxazole | 166964-09-6 5-Amino-4-chloro-3-methylisoxazole|29103|166964-09-6 https://www.jk-sci.com/products/s57c4x-1020239 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b921fa4e-d613-45f7-82c1-b65a54dd1667.png?v=1774984529 Vonoprazan Impurity 239 HCI Vonoprazan Impurity 239 HCI|C4X-1020239 https://www.jk-sci.com/products/j5329136 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc090e66f6edfa5c999c0fc2dd93fe2d.jpg?v=1776359436 3-Fluoro-2-methylpyridine | 15931-15-4 3-Fluoro-2-methylpyridine|29136|15931-15-4 https://www.jk-sci.com/products/s57c4x-102243 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff0797080d2257866b144ddbe594723.jpg?v=1776404632 Carfilzomib Impurity 43 | 247068-85-5 Carfilzomib Impurity 43|C4X-102243|247068-85-5 https://www.jk-sci.com/products/j5329158 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c77a591e4ac2fe8e09a5beb58e1cb3c.jpg?v=1776359472 2-Chloro-5-iodo-3-methylpyridine | 59782-89-7 2-Chloro-5-iodo-3-methylpyridine|29158|59782-89-7 https://www.jk-sci.com/products/s57c4x-10561 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229689.png?v=1774984533 Vortioxetine Impurity 1 | 92-54-6 Vortioxetine Impurity 1|C4X-10561|92-54-6 https://www.jk-sci.com/products/s57c4x-105661 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ce142134-dc07-4bf9-a3c9-aa3e826d1cee.png?v=1774984537 Vortioxetine Impurity 61 Vortioxetine Impurity 61|C4X-105661 https://www.jk-sci.com/products/s57c4x-107745 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139235_950402ca-dbdd-4b00-afa3-850d034fc2c5.png?v=1774984559 Entecavir Impurity 45 | 3587-60-8 Entecavir Impurity 45|C4X-107745|3587-60-8 https://www.jk-sci.com/products/s57c4x-1090175 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b7be9fa2-ed72-4e68-ab5a-3a9c81d68570.png?v=1774984562 Rivaroxaban impurity 175 Rivaroxaban impurity 175|C4X-1090175 https://www.jk-sci.com/products/s57c4x-32733 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/195ca350263384be9cf953695b1fe356.jpg?v=1776419018 Naftidrofuryl EP impurity B | 35997-58-1 Naftidrofuryl EP impurity B|C4X-32733|35997-58-1 https://www.jk-sci.com/products/j5329163 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb5d39632f30091a99de7187b30fc962.jpg?v=1776359490 2-Hydroxy-5-iodo-6-methylpyridine | 927870-76-6 2-Hydroxy-5-iodo-6-methylpyridine|29163|927870-76-6 https://www.jk-sci.com/products/s57c4x-109110 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238159_06da9d89-11a0-4e6c-be3c-8feade76c793.png?v=1774984567 Milrinone Impurity 10 | 2345-56-4 Milrinone Impurity 10|C4X-109110|2345-56-4 https://www.jk-sci.com/products/s57c4x-109647 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6990ae92ea7e39d4f3c5fbdaa21403e0.jpg?v=1776406957 Azilsartan Impurity 47 | 1604812-35-2 Azilsartan Impurity 47|C4X-109647|1604812-35-2 https://www.jk-sci.com/products/s57c4x-1131118 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e1a99b63-17da-4cbb-90d7-748bae55d59e.png?v=1774986187 Brexpiprazole impurity 118 Brexpiprazole impurity 118|C4X-1131118 https://www.jk-sci.com/products/s57c4x-113320 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a59956c4439cd918b91ba3bb76d2287f.jpg?v=1776408001 Plerixafor Impurity 20 | 6315-52-2 Plerixafor Impurity 20|C4X-113320|6315-52-2 https://www.jk-sci.com/products/s57c4x-1239 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127554_04e53ec4-6d51-4f7b-9ef7-842f144c4dca.png?v=1774984663 Anastrozole | 120511-73-1 Anastrozole|C4X-1239|120511-73-1 https://www.jk-sci.com/products/s57c4x-124712 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0c37f87ced7e38a494ced136ffae9ef.jpg?v=1776409771 Bisoprolol EP Impurity L(Metoprolol EP Impurity C) | 29122-74-5 Bisoprolol EP Impurity L(Metoprolol EP Impurity C)|C4X-124712|29122-74-5 https://www.jk-sci.com/products/j5329173 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc22b42bc8dea1d9c1ab2c10244f3c23.jpg?v=1776359503 3-Bromo-6-chloropyridine-2-carboxylic acid | 929000-66-8 3-Bromo-6-chloropyridine-2-carboxylic acid|29173|929000-66-8 https://www.jk-sci.com/products/s57c4x-133149 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/750d7cda356284e2379908b67eb6381a.jpg?v=1776410346 Disodium Levononidazole Phosphate | 1685275-23-3 Disodium Levononidazole Phosphate|C4X-133149|1685275-23-3 https://www.jk-sci.com/products/j5329182 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a23bea3587862779b88d5ada697c9cbd.jpg?v=1776359523 6-Chloro-2-hydroxy-3-nitropyridine | 92138-35-7 6-Chloro-2-hydroxy-3-nitropyridine|29182|92138-35-7 https://www.jk-sci.com/products/s57c4x-136621 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56d05aeb85ce96f0fb35cf660ea93135.jpg?v=1776410810 Voriconazole Impurity 3 | 188416-28-6 Voriconazole Impurity 3|C4X-136621|188416-28-6 https://www.jk-sci.com/products/s57c4x-138431 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6b10130-df67-432e-b082-510b85fba794.png?v=1774984735 Rivastigmine impurity 31 Rivastigmine impurity 31|C4X-138431 https://www.jk-sci.com/products/s57c4x-151416 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137848_41023abc-3bfd-47ed-905d-6a795812ed1f.png?v=1774984767 Oxedrine | 94-07-5 Oxedrine|C4X-151416|94-07-5 https://www.jk-sci.com/products/s57c4x-151931 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_89949643-6ad1-42d5-92f8-6dc8fe7050d6.png?v=1774984772 Propranolol Impurity 31 Propranolol Impurity 31|C4X-151931 https://www.jk-sci.com/products/j5329184 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee55e409b637752b5486a4c0e2d4525.jpg?v=1776359530 3-Amino-2-methoxybenzoic acid | 861306-04-9 3-Amino-2-methoxybenzoic acid|29184|861306-04-9 https://www.jk-sci.com/products/s57c1333241 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5af68345e6b4742bd1cdc4eb35dff49_29518738-247d-4f7e-a394-a507ccd3cf61.jpg?v=1776401742 3,5-Dichloro-4-formylbenzoic acid | 153203-80-6 3,5-Dichloro-4-formylbenzoic acid|C1333241|153203-80-6 https://www.jk-sci.com/products/j5329192 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d70ab996cd661f513bb9b61952a08b39.jpg?v=1776359544 2,4-Dibromo-3-nitropyridine | 121263-10-3 2,4-Dibromo-3-nitropyridine|29192|121263-10-3 https://www.jk-sci.com/products/s57c1603478 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2534e1a68d99fdb40cbbee6fb40e1ee4.jpg?v=1776402266 2,6-Di-tert-butyl-4-chlorophenol | 4096-72-4 2,6-Di-tert-butyl-4-chlorophenol|C1603478|4096-72-4 https://www.jk-sci.com/products/j5329194 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e3c4d13cccece6dcb5650fdc7b7cf8d.jpg?v=1776359552 2,4-Dichloro-3-cyanopyridine | 180995-12-4 2,4-Dichloro-3-cyanopyridine|29194|180995-12-4 https://www.jk-sci.com/products/s57c1798558 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/858b1144cc14712cd06551c2222ffd50.jpg?v=1776402702 cis-8,11,14-Eicosatrienoic Acid Ethyl Ester | 55968-21-3 cis-8,11,14-Eicosatrienoic Acid Ethyl Ester|C1798558|55968-21-3 https://www.jk-sci.com/products/j5329201 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63f5a503074817eb2808bf357fe4d387.jpg?v=1776359561 4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline | 183322-18-1 4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline|29201|183322-18-1 https://www.jk-sci.com/products/s57c1806224 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c2ba5fa81f7ce945e30d2605d2d1d20.jpg?v=1776402770 Enalaprilat | 76420-72-9 Enalaprilat|C1806224|76420-72-9 https://www.jk-sci.com/products/j5329233 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe78dc64cfc820f39d6c5ebd8ada3ee9.jpg?v=1776359609 2-Bromo-6-chloro-4-methylpyridine | 157329-89-0 2-Bromo-6-chloro-4-methylpyridine|29233|157329-89-0 https://www.jk-sci.com/products/j5329265 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfcfd5fb3f265c14ff16660643b26227.jpg?v=1776359638 Ethyl 3-aminothiophene-2-carboxylate | 31823-64-0 Ethyl 3-aminothiophene-2-carboxylate|29265|31823-64-0 https://www.jk-sci.com/products/s57c1826426 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350147.png?v=1774986033 H-Glu-Met-OH | 4423-22-7 H-Glu-Met-OH|C1826426|4423-22-7 https://www.jk-sci.com/products/s57c4x-32734 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8342aee5bf617eee8b6bfdbaf1692c5.jpg?v=1776419021 Naftidrofuryl EP impurity E | 3216-60-2 Naftidrofuryl EP impurity E|C4X-32734|3216-60-2 https://www.jk-sci.com/products/s57c1826998 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34a2e8842457fac75ca87e66f6619feb.jpg?v=1776402864 Isopropyl 2-(4-Isobutylphenyl)Propanoate | 64622-17-9 Isopropyl 2-(4-Isobutylphenyl)Propanoate|C1826998|64622-17-9 https://www.jk-sci.com/products/s57c1827475 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365242.png?v=1774986043 Naphthalen-1-ylhydrazine Hydrochloride | 2243-56-3 Naphthalen-1-ylhydrazine Hydrochloride|C1827475|2243-56-3 https://www.jk-sci.com/products/s57c1870925 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a997dde18f5e4f6496d310452ebe8e7d.jpg?v=1776402999 Salcaprozate Impurity N1 | 20073-95-4 Salcaprozate Impurity N1|C1870925|20073-95-4 https://www.jk-sci.com/products/s57c1891275 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e94fbc79cabdb05463f473d3d6a0b2e.jpg?v=1776403106 Pyrantel EP impurity D | 4271-96-9 Pyrantel EP impurity D|C1891275|4271-96-9 https://www.jk-sci.com/products/s57c4x-32801 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/j5329281 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d193f86dbf6f226a41f660255c5baeee.jpg?v=1776359662 2,6-Dibromo-4-methoxypyridine | 117873-72-0 2,6-Dibromo-4-methoxypyridine|29281|117873-72-0 https://www.jk-sci.com/products/j5327383 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350beb55d289a29fe929fa9fb33e806b.jpg?v=1776355604 3,5-Dibromopyridine | 625-92-3 3,5-Dibromopyridine|27383|625-92-3 https://www.jk-sci.com/products/s57c4x-32846 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f81a4603-3c5a-4448-b7b2-ee92e73d651e.png?v=1774671897 Prusogliptin Impurity 6 Prusogliptin Impurity 6|C4X-32846 https://www.jk-sci.com/products/s57c1908632 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b7779c4aad026147ab0fd34f44ddd0d.jpg?v=1776403185 Torachrysone-8-O-β-D-glucopyranoside | 64032-49-1 Torachrysone-8-O-β-D-glucopyranoside|C1908632|64032-49-1 https://www.jk-sci.com/products/s57c4x-33016 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c7146b36470605baf246426269e2154.jpg?v=1776419033 Xanomeline Impurity 6 | 2414049-88-8 Xanomeline Impurity 6|C4X-33016|2414049-88-8 https://www.jk-sci.com/products/s57c3d-3048 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397978_70c39cd3-4635-4fd9-9f28-ac6c041e3544.png?v=1774986064 Uric Acid-1,3-15N2 | 62948-75-8 Uric Acid-1,3-15N2|C3D-3048|62948-75-8 https://www.jk-sci.com/products/s57c3d-3528 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598421.png?v=1774986069 3＇-Chloroacetanilide | 588-07-8 3＇-Chloroacetanilide|C3D-3528|588-07-8 https://www.jk-sci.com/products/s57c4x-330111 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f540301fad9ce214c851f66282a083a.jpg?v=1776419030 Xanomeline N-Oxide | 174656-58-7 Xanomeline N-Oxide|C4X-330111|174656-58-7 https://www.jk-sci.com/products/j5328065 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/045bc49cea86ae33a70a8bd4e52eab09.jpg?v=1776357111 Heppso hydrate | 865856-46-8 Heppso hydrate|28065|865856-46-8 https://www.jk-sci.com/products/s57c4x-10019 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc9608263edffb8794955af26157b0b9.jpg?v=1776404079 Erythromycin B | 527-75-3 Erythromycin B|C4X-10019|527-75-3 https://www.jk-sci.com/products/j5328255 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4282f8e81d8ac13f25d0cfe0b37e2515.jpg?v=1776357538 2-Chloro-5-hydroxypyridine | 41288-96-4 2-Chloro-5-hydroxypyridine|28255|41288-96-4 https://www.jk-sci.com/products/s57c4x-101016 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/705f8238ecb989ebdb5be8460ced9d94.jpg?v=1776404356 Acyclovir EP Impurity P | 23169-33-7 Acyclovir EP Impurity P|C4X-101016|23169-33-7 https://www.jk-sci.com/products/j5328517 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9783da4a3f58720f225799c1c4f9cf9.jpg?v=1776358108 5-Amino-2-(trifluoromethyl)benzimidazole dihydrochloride | 3671-66-7 5-Amino-2-(trifluoromethyl)benzimidazole dihydrochloride|28517|3671-66-7 https://www.jk-sci.com/products/s57c4x-102093 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120277.png?v=1774986096 3-Chloropyridine | 626-60-8 3-Chloropyridine|C4X-102093|626-60-8 https://www.jk-sci.com/products/s57c4x-102248 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/760dcebc1ca9086724fb0c29f6d27797.jpg?v=1776404635 Carfilzomib Impurity 48 | 1541172-75-1 Carfilzomib Impurity 48|C4X-102248|1541172-75-1 https://www.jk-sci.com/products/s57c4x-10451 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370208_c7dde972-8a6f-4991-a8b7-281a02ec97ff.png?v=1774986112 Amisulpride EP Impurity A | 26116-12-1 Amisulpride EP Impurity A|C4X-10451|26116-12-1 https://www.jk-sci.com/products/j5328376 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16691dcae5327a31e43d37190c5b2dc7.jpg?v=1776357794 Boc-D-cyclopentylglycine | 156881-63-9 Boc-D-cyclopentylglycine|28376|156881-63-9 https://www.jk-sci.com/products/s57c4x-105638 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7d3de1b126ca4780e06de61ee49bb42.jpg?v=1776405285 Vortioxetine Hydrobromide | 960203-27-4 Vortioxetine Hydrobromide|C4X-105638|960203-27-4 https://www.jk-sci.com/products/s57c4x-10575 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340f55ddd62d026b82ece2a0dfae0630.jpg?v=1776405365 Valsartan impurity 5 | 676129-92-3 Valsartan impurity 5|C4X-10575|676129-92-3 https://www.jk-sci.com/products/s57c4x-106852 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342296.png?v=1774986136 Imatinib Impurity 52 | 350-03-8 Imatinib Impurity 52|C4X-106852|350-03-8 https://www.jk-sci.com/products/j5328580 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55231c0376ddff08a8eee50987312d4e.jpg?v=1776358256 1-Ethyl-5-methyl-1H-pyrazole-4-carbaldehyde | 933778-29-1 1-Ethyl-5-methyl-1H-pyrazole-4-carbaldehyde|28580|933778-29-1 https://www.jk-sci.com/products/s57c4x-136451 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508019_8477f26a-ba7f-4324-85f7-6635845499ea.png?v=1774986274 Lercanidipine Impurity 51 | 5394-63-8 Lercanidipine Impurity 51|C4X-136451|5394-63-8 https://www.jk-sci.com/products/j5328630 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d177cb0ef628b647917410e2dd195774.jpg?v=1776358365 2-(3-Chloro-4-methoxyphenyl)acetic acid | 13721-20-5 2-(3-Chloro-4-methoxyphenyl)acetic acid|28630|13721-20-5 https://www.jk-sci.com/products/j5328745 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0ce0abd2f6d38fa6ee17a3de984be71.jpg?v=1776358614 Methyl 3-oxo-3-(thiophen-2-yl)propanoate | 134568-16-4 Methyl 3-oxo-3-(thiophen-2-yl)propanoate|28745|134568-16-4 https://www.jk-sci.com/products/s57c4x-33054 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b695143cce8909cb73ad02e52c628a09.jpg?v=1776419036 (R)-2-Amino-2-(2-hydroxyphenyl)acetic acid Hydrochloride | 2829292-56-8 (R)-2-Amino-2-(2-hydroxyphenyl)acetic acid Hydrochloride|C4X-33054|2829292-56-8 https://www.jk-sci.com/products/s57c4x-15181 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/685375b82976320488a8826c02f1e778.jpg?v=1776412784 Lipoic acid impurity N1 | 17370-41-1 Lipoic acid impurity N1|C4X-15181|17370-41-1 https://www.jk-sci.com/products/j5328706 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e69a17dd6922e1075b616c91d54eadd9.jpg?v=1776358516 2-Chloro-3-amino-6-methylpyridine | 39745-40-9 2-Chloro-3-amino-6-methylpyridine|28706|39745-40-9 https://www.jk-sci.com/products/s57c1033614 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26cb1936a0ce0eb25a6da777f5185d3_d839b892-0299-4f65-a603-3e34911f1e77.jpg?v=1776401227 N-benzyl-2-cyanoacetamide | 10412-93-8 N-benzyl-2-cyanoacetamide|C1033614|10412-93-8 https://www.jk-sci.com/products/s57c1416644 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40b535bf224e511f0c944f2121c56b8a.jpg?v=1776401890 2-Methyl-3,17beta-Estradiol | 1818-12-8 2-Methyl-3,17beta-Estradiol|C1416644|1818-12-8 https://www.jk-sci.com/products/j5328798 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6edebb72d297ca75048d0867dac1568.jpg?v=1776358727 2,3-Dichloro-5-nitropyridine | 22353-40-8 2,3-Dichloro-5-nitropyridine|28798|22353-40-8 https://www.jk-sci.com/products/j5328829 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/912bf8d7bbe74bade8a1a751131a7877.jpg?v=1776358798 3,5-Dichloro-2-fluoropyridine | 823-56-3 3,5-Dichloro-2-fluoropyridine|28829|823-56-3 https://www.jk-sci.com/products/s57c1432585 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443088.png?v=1774987678 Cortistatin-14 | 186901-48-4 Cortistatin-14|C1432585|186901-48-4 https://www.jk-sci.com/products/j5328774 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a665d9961e3472ccd30e6c0f776948dc.jpg?v=1776358674 a-Bromo-2-chlorophenylacetic acid | 29270-30-2 a-Bromo-2-chlorophenylacetic acid|28774|29270-30-2 https://www.jk-sci.com/products/j5328846 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f614a936a1a2ad12baee500d371a5b25.jpg?v=1776358851 4-Nitro-3-picoline | 1678-53-1 4-Nitro-3-picoline|28846|1678-53-1 https://www.jk-sci.com/products/s57c1441747 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371229_24c70a97-d19e-4ab5-8cc4-ee8f1588e708.png?v=1774987682 1,2,3,4-Tetrahydro-1-naphthoic Acid | 1914-65-4 1,2,3,4-Tetrahydro-1-naphthoic Acid|C1441747|1914-65-4 https://www.jk-sci.com/products/j5328877 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41f857ac5167f20fb7ee90a276c4ecd8.jpg?v=1776358942 2-Amino-4,5-diethoxybenzoic acid | 20197-72-2 2-Amino-4,5-diethoxybenzoic acid|28877|20197-72-2 https://www.jk-sci.com/products/s57c4x-3309 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f603dd49facd6a28588c634517f2271.jpg?v=1776419042 Samidorphan | 421552-35-4 Samidorphan|C4X-3309|421552-35-4 https://www.jk-sci.com/products/s57c1492060 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79bcfc9cae1886c4b43db3b81d5d1591.jpg?v=1776402006 (R)-2-Amino-2-(3-hydroxyphenyl)acetic acid | 25698-27-5 (R)-2-Amino-2-(3-hydroxyphenyl)acetic acid|C1492060|25698-27-5 https://www.jk-sci.com/products/j5328928 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ecbeaed7f2102fe83daec453b69d72c.jpg?v=1776359042 5-Amino-2-methylbenzoic acid | 2840-04-2 5-Amino-2-methylbenzoic acid|28928|2840-04-2 https://www.jk-sci.com/products/s57c1512470 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39d2f9ce81c706de202f85a9a3ffa13f.jpg?v=1776402048 1-(2-Bromo-6-fluorophenyl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)urea | 917389-23-2 1-(2-Bromo-6-fluorophenyl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)urea|C1512470|917389-23-2 https://www.jk-sci.com/products/s57c1633584 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2be49bc6f63a2fa271dc0cfbfe161c.jpg?v=1776402329 2-Methyl-1,4-naphthalenediol | 481-85-6 2-Methyl-1,4-naphthalenediol|C1633584|481-85-6 https://www.jk-sci.com/products/j5329014 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b26bd8d8a306e5419c3ccd68d6e9bece.jpg?v=1776359189 2,6-Dichloro-4-iodopyridine | 98027-84-0 2,6-Dichloro-4-iodopyridine|29014|98027-84-0 https://www.jk-sci.com/products/j5328974 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f180cd52d72d1eaf270c6feeb9a058d1.jpg?v=1776359130 Methyl 2-amino-3-bromo-5-pyridinecarboxylate | 180340-70-9 Methyl 2-amino-3-bromo-5-pyridinecarboxylate|28974|180340-70-9 https://www.jk-sci.com/products/j5328991 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bce08d81adf7bb6a56da407ed887e0e6.jpg?v=1776359154 4-Bromo-2-methoxybenzoic acid methyl ester | 139102-34-4 4-Bromo-2-methoxybenzoic acid methyl ester|28991|139102-34-4 https://www.jk-sci.com/products/s57c1655184 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/181c17ab97ed3a8e827373b066ee46ad.jpg?v=1776402356 3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde | 25934-52-5 3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde|C1655184|25934-52-5 https://www.jk-sci.com/products/s57c1793915 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04d6855f1e8012a2df80eb67460029d7.jpg?v=1776402643 4,5-Dihydrooxazole Bilastine | 202189-77-3 4,5-Dihydrooxazole Bilastine|C1793915|202189-77-3 https://www.jk-sci.com/products/j5329026 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae5e7f9453dc93fd95068fe3765bdf77.jpg?v=1776359213 (S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid | 154212-61-0 (S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid|29026|154212-61-0 https://www.jk-sci.com/products/j5329042 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d466cff70751d5ee5d2fed3cf5f94ad9.jpg?v=1776359246 6-Chloro-1H-indazole | 698-25-9 6-Chloro-1H-indazole|29042|698-25-9 https://www.jk-sci.com/products/j5329060 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1eef6f6d211965b9ca1ac22484b98f73.jpg?v=1776359289 1-Bromo-2-iodo-4-methylbenzene | 858841-53-9 1-Bromo-2-iodo-4-methylbenzene|29060|858841-53-9 https://www.jk-sci.com/products/s57c1806552 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121258.png?v=1774987710 Ethacridine | 442-16-0 Ethacridine|C1806552|442-16-0 https://www.jk-sci.com/products/s57c1884200 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96fcf940a99b02a21cbf887d76e7de8c.jpg?v=1776403044 N-Methyl-N-(2-nitrobenzyl)cyclohexanamine hydrochloride | 31611-42-4 N-Methyl-N-(2-nitrobenzyl)cyclohexanamine hydrochloride|C1884200|31611-42-4 https://www.jk-sci.com/products/s57c3d-4547 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348821.png?v=1774987731 1,2,4-Triaminobenzene Dihydrochloride | 615-47-4 1,2,4-Triaminobenzene Dihydrochloride|C3D-4547|615-47-4 https://www.jk-sci.com/products/j5329070 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47b27f204177af298167a16e60bef1e6.jpg?v=1776359310 3-Iodo-2-nitropyridine | 54231-34-4 3-Iodo-2-nitropyridine|29070|54231-34-4 https://www.jk-sci.com/products/s57c4x-3315 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93a464332ceb409f0e91fb5316d8cd6e.jpg?v=1776419045 Vadadustat | 1000025-07-9 Vadadustat|C4X-3315|1000025-07-9 https://www.jk-sci.com/products/s57c3d-5009 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89063233c67979b51362f3504c2979a9.jpg?v=1776403763 2-Hydroxy-2-methylpropiophenone | 7473-98-5 2-Hydroxy-2-methylpropiophenone|C3D-5009|7473-98-5 https://www.jk-sci.com/products/j5329084 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f584c4b5451ac3e81d83ec31882c3c12.jpg?v=1776359335 Pyrrolo[1,2-f][1,2,4]triazin-4-amine | 159326-68-8 Pyrrolo[1,2-f][1,2,4]triazin-4-amine|29084|159326-68-8 https://www.jk-sci.com/products/j5329097 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/528cc253d35df4380131c681c9bb7f9b.jpg?v=1776359373 3-Amino-2-bromo-5-methylpyridine | 34552-14-2 3-Amino-2-bromo-5-methylpyridine|29097|34552-14-2 https://www.jk-sci.com/products/s57c4x-1020162 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fb251afb-5add-44d7-9587-6ce492710e30.png?v=1774987759 Vonoprazan Impurity 162 Vonoprazan Impurity 162|C4X-1020162 https://www.jk-sci.com/products/j5329128 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ccf84d9353d3e61dc5803e765779811.jpg?v=1776359426 2-Bromo-5-methyl-3-nitropyridine | 23056-46-4 2-Bromo-5-methyl-3-nitropyridine|29128|23056-46-4 https://www.jk-sci.com/products/s57c4x-103118 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7f51c3fc2416ff7e54b1699e5d6d660.jpg?v=1776404789 Montelukast EP Impurity I | 2045402-27-3 Montelukast EP Impurity I|C4X-103118|2045402-27-3 https://www.jk-sci.com/products/j5329183 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99bef95c40acdd8656fb3d665e89ef01.jpg?v=1776359527 2-Amino-5-chloro-6-methyl pyridine | 36936-23-9 2-Amino-5-chloro-6-methyl pyridine|29183|36936-23-9 https://www.jk-sci.com/products/j5329170 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be415ab671a1eea3b3f94350c080ebb3.jpg?v=1776359496 Tri-O-Benzyl-D-galactal | 80040-79-5 Tri-O-Benzyl-D-galactal|29170|80040-79-5 https://www.jk-sci.com/products/j5329139 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2e4393cafaca685234be43f68ce86ba.jpg?v=1776359439 2-Bromo-3-cyanotoluene | 263159-64-4 2-Bromo-3-cyanotoluene|29139|263159-64-4 https://www.jk-sci.com/products/s57c4x-105651 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d630f7fe4922e29750994f6a5c26ef36.jpg?v=1776405305 Vortioxetine Impurity 51 | 1610527-49-5 Vortioxetine Impurity 51|C4X-105651|1610527-49-5 https://www.jk-sci.com/products/j5329193 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/874968db29fb8fbf608007cf7747ec73.jpg?v=1776359548 3-Amino-2,4-dichloropyridine | 173772-63-9 3-Amino-2,4-dichloropyridine|29193|173772-63-9 https://www.jk-sci.com/products/s57c4x-106331 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5dd0e8dca2190c2251603b568e1db01.jpg?v=1776405505 Edoxaban Impurity 31 | 259809-24-0 Edoxaban Impurity 31|C4X-106331|259809-24-0 https://www.jk-sci.com/products/s57c4x-10802 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a6f4e7d290474a84fc51795004bef7.jpg?v=1776406185 Etoricoxib Impurity 2 | 316149-01-6 Etoricoxib Impurity 2|C4X-10802|316149-01-6 https://www.jk-sci.com/products/s57c4x-108359 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1067dbb-71c2-4a60-8d1c-f799c654817e.png?v=1774987800 Cetirizine Impurity 59 (Mixture of Isomers) Cetirizine Impurity 59 (Mixture of Isomers)|C4X-108359 https://www.jk-sci.com/products/j5329219 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b27e982fe6f1502df8127bddcff8199b.jpg?v=1776359586 2-Bromo-6-cyanoanisole | 874472-98-7 2-Bromo-6-cyanoanisole|29219|874472-98-7 https://www.jk-sci.com/products/j5329266 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68a78830491091732b5240e76704935a.jpg?v=1776359641 Iridium(IV) oxide dihydrate | 30980-84-8 Iridium(IV) oxide dihydrate|29266|30980-84-8 https://www.jk-sci.com/products/s57c4x-116620 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438545_9c7aeac7-2f86-404d-b98f-4cfab34a4e9b.png?v=1774987873 Valproic Acid EP Impurity I | 13310-75-3 Valproic Acid EP Impurity I|C4X-116620|13310-75-3 https://www.jk-sci.com/products/s57c4x-12121 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e320b07e7952e0ceacc70fae171c51d2.jpg?v=1776409308 Ceftazidime EP Impurity A | 1000980-60-8 Ceftazidime EP Impurity A|C4X-12121|1000980-60-8 https://www.jk-sci.com/products/s57c4x-131277 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343361.png?v=1774987917 Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C) | 90-64-2 Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C)|C4X-131277|90-64-2 https://www.jk-sci.com/products/j5329308 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/684caff488e8f4e2b0d1d9b138e5fff1.jpg?v=1776359701 Sucralose | 56038-13-2 Sucralose|29308|56038-13-2 https://www.jk-sci.com/products/j5329322 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be46f0f289fd16a5bd0ce9d086c7a6d5.jpg?v=1776359727 6-(Tritylthio)hexanoic acid | 80441-55-0 6-(Tritylthio)hexanoic acid|29322|80441-55-0 https://www.jk-sci.com/products/s57c4x-135949 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359865.png?v=1774987949 Telmisartan Impurity 49 | 25148-68-9 Telmisartan Impurity 49|C4X-135949|25148-68-9 https://www.jk-sci.com/products/s57c4x-136414 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388d5082ea9f0409b5b64653288170d4.jpg?v=1776410788 Lercanidipine Impurity 14 | 887769-34-8 Lercanidipine Impurity 14|C4X-136414|887769-34-8 https://www.jk-sci.com/products/j5329324 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fde6294c8c60187dfdd772b489bc00c0.jpg?v=1776359734 1,7-Bis-Boc-1,4,7-triazaheptane | 117499-16-8 1,7-Bis-Boc-1,4,7-triazaheptane|29324|117499-16-8 https://www.jk-sci.com/products/j5329329 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1781f2cbfd32da5729c6bb3badfd7ce5.jpg?v=1776359748 6-Chloro-2-fluoropyridine-3-boronic acid | 1256345-66-0 6-Chloro-2-fluoropyridine-3-boronic acid|29329|1256345-66-0 https://www.jk-sci.com/products/j5329335 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c752da199b24b4e9dcac861e77f8233e.jpg?v=1776359758 3-Iodo-4-nitrophenol | 50590-07-3 3-Iodo-4-nitrophenol|29335|50590-07-3 https://www.jk-sci.com/products/s57c4x-151816 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fcd132f645fdf7e13e8e424595ce396.jpg?v=1776412795 Thioctic Acid Impurity 16 | 1700-12-5 Thioctic Acid Impurity 16|C4X-151816|1700-12-5 https://www.jk-sci.com/products/j5329341 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4605c00c9fab8fee5b7a7763e219dd14.jpg?v=1776359765 5-Bromo-2,3-dimethylpyridine | 27063-90-7 5-Bromo-2,3-dimethylpyridine|29341|27063-90-7 https://www.jk-sci.com/products/s57c4x-33249 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/j5329359 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99daf21cac7ab67e64d7df5c65d3671e.jpg?v=1776359799 Fmoc-a-methyl-L-allylglycine | 288617-71-0 Fmoc-a-methyl-L-allylglycine|29359|288617-71-0 https://www.jk-sci.com/products/s57c1195348 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d99af59bdc9d8eb653121008ca62be22.jpg?v=1776401488 (2R,4R)-1-Fmoc-4-(tert-butoxy)pyrrolidine-2-carboxylic Acid | 1276694-30-4 (2R,4R)-1-Fmoc-4-(tert-butoxy)pyrrolidine-2-carboxylic Acid|C1195348|1276694-30-4 https://www.jk-sci.com/products/j5329363 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a15954537a113290921749797d1863c7.jpg?v=1776359810 6-Azido-hexanoic acid | 79598-53-1 6-Azido-hexanoic acid|29363|79598-53-1 https://www.jk-sci.com/products/j5329400 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d48d0ee5c2a743f93e9ca494222be77b.jpg?v=1776359838 6-Amino-2-chloro-3-methylpyridine | 442129-37-5 6-Amino-2-chloro-3-methylpyridine|29400|442129-37-5 https://www.jk-sci.com/products/j5329424 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecae55e113c698ac46822fa109828865.jpg?v=1776359851 a-Phenylpiperidine-2-acetamide | 19395-39-2 a-Phenylpiperidine-2-acetamide|29424|19395-39-2 https://www.jk-sci.com/products/j5329369 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aa58a5745d85a30877cfec5fc625675.jpg?v=1776359819 6-Aminoisoquinolin-1(2H)-one | 216099-46-6 6-Aminoisoquinolin-1(2H)-one|29369|216099-46-6 https://www.jk-sci.com/products/s57c4x-33371 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482e84c135bbeafe64afbdedce1f2709.jpg?v=1776419048 (S)-Oteseconazole | 1446515-60-1 (S)-Oteseconazole|C4X-33371|1446515-60-1 https://www.jk-sci.com/products/j5329435 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd9ea97aabc61f854c82a0bc87aaf5cd.jpg?v=1776359863 5-Amino-2-pyridone | 33630-94-3 5-Amino-2-pyridone|29435|33630-94-3 https://www.jk-sci.com/products/s57c4x-33432 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_abc87b97-7cec-4edf-9421-31ae95dafda4.png?v=1774644800 Rezvilutamide Impurity 2 Rezvilutamide Impurity 2|C4X-33432 https://www.jk-sci.com/products/s57c1307746 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a813832042434d26b8db7bda9995d2.jpg?v=1776401684 Esomeprazole Impurity 02 | 53065-28-4 Esomeprazole Impurity 02|C1307746|53065-28-4 https://www.jk-sci.com/products/j5329442 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09076b77b30a129642ea6373f3ff6b78.jpg?v=1776359881 4-O-b-D-Galactopyranosyl-D-gluconic acid calcium salt (2:1) dihydrate | 110638-68-1 4-O-b-D-Galactopyranosyl-D-gluconic acid calcium salt (2:1) dihydrate|29442|110638-68-1 https://www.jk-sci.com/products/j5329498 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e906db53001cdb686c6c55b933cdfb7.jpg?v=1776359940 2-Methyl-2-thiopseudourea sulfate | 867-44-7 2-Methyl-2-thiopseudourea sulfate|29498|867-44-7 https://www.jk-sci.com/products/s57c1569144 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5a78fb78ee7557c5c5d4ef8ace631e9.jpg?v=1776402177 2-(2-Chlorophenyl)oxirane | 62717-50-4 2-(2-Chlorophenyl)oxirane|C1569144|62717-50-4 https://www.jk-sci.com/products/j5329506 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7cd46cda91491ee51f1059e46456b72.jpg?v=1776359950 2-Amino-2-[4-(methylthio)phenyl]ethanol | 910443-19-5 2-Amino-2-[4-(methylthio)phenyl]ethanol|29506|910443-19-5 https://www.jk-sci.com/products/s57c4x-33551 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_745d070b-a42a-4e9f-adf2-b51303766da9.png?v=1775156454 Aprocitentan impurity 1 Aprocitentan impurity 1|C4X-33551 https://www.jk-sci.com/products/j5329542 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19fa716e0518cb5f2fb9edebe488542e.jpg?v=1776359975 Ammonium perrhenate(VII) | 13598-65-7 Ammonium perrhenate(VII)|29542|13598-65-7 https://www.jk-sci.com/products/s57c1636348 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6be5fb2ebfa8cde60b540c09921a44de.jpg?v=1776402332 2-Methylquinolin-7-amine | 64334-96-9 2-Methylquinolin-7-amine|C1636348|64334-96-9 https://www.jk-sci.com/products/s57c1753487 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf6b000c3121e785db8c20697d76a107.jpg?v=1776402529 5-Cyano-2-isopropoxybenzoic acid | 845616-14-0 5-Cyano-2-isopropoxybenzoic acid|C1753487|845616-14-0 https://www.jk-sci.com/products/s57c1889349 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f6767cb9f51d23f1e878930a1e3e3b6.jpg?v=1776403095 (-)-Epipodophyllotoxin | 4375-07-9 (-)-Epipodophyllotoxin|C1889349|4375-07-9 https://www.jk-sci.com/products/j5329590 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0553fbecec9278306cb50bd399aef09.jpg?v=1776360051 (S)-Boc-2-amino-3-propargyloxy-propionic acid dicyclohexyl ammonium salt (S)-Boc-2-amino-3-propargyloxy-propionic acid dicyclohexyl ammonium salt|29590 https://www.jk-sci.com/products/j5329575 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5977b62e102acea107059ed03cf8b64.jpg?v=1776360003 11-Tritylmercapto-undecanoic acid | 202462-83-7 11-Tritylmercapto-undecanoic acid|29575|202462-83-7 https://www.jk-sci.com/products/j5329588 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a99b99c1d29bce7b1d59898cb6280a.jpg?v=1776360045 Boc-a-methyl-D-4-bromophenylalanine | 1310680-46-6 Boc-a-methyl-D-4-bromophenylalanine|29588|1310680-46-6 https://www.jk-sci.com/products/j5329597 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f98ccb335abb6881467fa7b48c7bb61c.jpg?v=1776360073 Boc-4-(naphthalen-1-yl)-piperidine-4-carboxylic acid | 1198287-04-5 Boc-4-(naphthalen-1-yl)-piperidine-4-carboxylic acid|29597|1198287-04-5 https://www.jk-sci.com/products/j5329606 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/062d634fb2dbbac9cfc0fb8cc40c34e3.jpg?v=1776360098 (R,S)-Boc-3-amino-2-(naphthalen-2-yl)-propionic acid | 1310680-21-7 (R,S)-Boc-3-amino-2-(naphthalen-2-yl)-propionic acid|29606|1310680-21-7 https://www.jk-sci.com/products/j5329610 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14fc050d152e918327e39b68f310e650.jpg?v=1776360110 Boc-3-exo-amino-bicyclo[2.2.1]heptane-2-exo-carboxylic acid | 76198-37-3 Boc-3-exo-amino-bicyclo[2.2.1]heptane-2-exo-carboxylic acid|29610|76198-37-3 https://www.jk-sci.com/products/s57c4x-33691 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bb4b8d69300d4aff63bd06cb81ad42c.jpg?v=1776419051 Suzetrigine | 2649467-58-1 Suzetrigine|C4X-33691|2649467-58-1 https://www.jk-sci.com/products/j5329638 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87ba4c3a1113d8c44cba9a1ad4d0e322.jpg?v=1776360189 (R)-Fmoc-2-amino-3-propargylsulfanyl-propionic acid | 1354752-76-3 (R)-Fmoc-2-amino-3-propargylsulfanyl-propionic acid|29638|1354752-76-3 https://www.jk-sci.com/products/s57c1919382 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418543_07bccd1e-656c-458e-9958-6abc07c78b9c.png?v=1775052301 2-Bromomethyl-1,3-dioxolane | 4360-63-8 2-Bromomethyl-1,3-dioxolane|C1919382|4360-63-8 https://www.jk-sci.com/products/j5329621 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64ebc8fc9708c09297648ac1ced12d45.jpg?v=1776360145 Boc-L-2,5,7-tri-tert-butyl-tryptophan | 78654-82-7 Boc-L-2,5,7-tri-tert-butyl-tryptophan|29621|78654-82-7 https://www.jk-sci.com/products/s57c1930112 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9f3750be7d24c633b8cef79ac5e014d.jpg?v=1776403289 Trazodone Impurity QZT-IM-2-Z4 HCl | 2247108-04-7 Trazodone Impurity QZT-IM-2-Z4 HCl|C1930112|2247108-04-7 https://www.jk-sci.com/products/j5329647 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2527435642e5f89d1877b60c21e87cbf.jpg?v=1776360211 (S)-Fmoc-2-amino-3-propargyloxy-propionic acid | 1354752-75-2 (S)-Fmoc-2-amino-3-propargyloxy-propionic acid|29647|1354752-75-2 https://www.jk-sci.com/products/s57c3d-2789 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149527_2dc6eab9-6e7f-4033-923d-7667e589c233.png?v=1775052320 Fmoc-Cys(Trt)-OH | 103213-32-7 Fmoc-Cys(Trt)-OH|C3D-2789|103213-32-7 https://www.jk-sci.com/products/s57c3d-4319 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519725.png?v=1774987723 D-Arg(Pbf)-OH | 200116-81-0 D-Arg(Pbf)-OH|C3D-4319|200116-81-0 https://www.jk-sci.com/products/s57c4x-1029115 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_377791a7-1e9d-43af-94e3-08aba10039e8.png?v=1775052361 Clopidogrel Impurity 115 Clopidogrel Impurity 115|C4X-1029115 https://www.jk-sci.com/products/j5329654 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/850bf46ad409a38a8eae347cd90a55b7.jpg?v=1776360233 Fmoc-4-amino-4-methyl-pentanoic acid | 1310680-22-8 Fmoc-4-amino-4-methyl-pentanoic acid|29654|1310680-22-8 https://www.jk-sci.com/products/s57c4x-104611 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402904435ac19d0ea9e767855ea26dae.jpg?v=1776405030 Trelagliptin Impurity 11 | 1938080-42-2 Trelagliptin Impurity 11|C4X-104611|1938080-42-2 https://www.jk-sci.com/products/j5327852 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27e3bce26ca061ceeab0ea60e40f4c79.jpg?v=1776356726 3',5'-Dibromoacetophenone | 14401-73-1 3',5'-Dibromoacetophenone|27852|14401-73-1 https://www.jk-sci.com/products/j5328288 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557bd8792e5e8daa31ac3c4a381292c0.jpg?v=1776357628 2-Iodo-5-hydroxybenzoic acid | 57772-57-3 2-Iodo-5-hydroxybenzoic acid|28288|57772-57-3 https://www.jk-sci.com/products/s57c4x-10512 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c129b996e1ffb4730a994e16a33472c.jpg?v=1776405097 Diclofenac EP Impurity C | 27204-57-5 Diclofenac EP Impurity C|C4X-10512|27204-57-5 https://www.jk-sci.com/products/j5328538 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/927de79592ab6be9bbcecdb2f60124ab.jpg?v=1776358158 2-Hydroxythiobenzamide | 7133-90-6 2-Hydroxythiobenzamide|28538|7133-90-6 https://www.jk-sci.com/products/s57c4x-106414 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60469c763483c67af9aa1f93a53282c7.jpg?v=1776405548 Ibrutinib Impurity 14 | 2031255-23-7 Ibrutinib Impurity 14|C4X-106414|2031255-23-7 https://www.jk-sci.com/products/j5328669 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c89e08a00b540be098ce8ce2a6b77522.jpg?v=1776358443 3-Acetyl-5-bromopyridine | 38940-62-4 3-Acetyl-5-bromopyridine|28669|38940-62-4 https://www.jk-sci.com/products/s57c4x-33865 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_511414f4-3fc9-4677-84ef-ef70e8db43d7.png?v=1774969860 Fovinaciclib Impurity 5 Fovinaciclib Impurity 5|C4X-33865 https://www.jk-sci.com/products/j5328767 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78da8576b146a4a5000c55326eb681de.jpg?v=1776358660 5-Bromo-2-hydroxy-3-methylpyridine | 89488-30-2 5-Bromo-2-hydroxy-3-methylpyridine|28767|89488-30-2 https://www.jk-sci.com/products/s57c4x-108715 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53b12a83d8c39bde4e9487a3149b1c00.jpg?v=1776406438 Tadalafil Impurity 15 | 171596-42-2 Tadalafil Impurity 15|C4X-108715|171596-42-2 https://www.jk-sci.com/products/j5328814 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c6ff989bce5971355309ddea1cbfeec.jpg?v=1776358767 6-Nitro-4-chromanone | 68043-53-8 6-Nitro-4-chromanone|28814|68043-53-8 https://www.jk-sci.com/products/j5328859 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60ecc26e191f0f0173603f6677b79de9.jpg?v=1776358891 5-Nitropyridine-2-carboxylic acid | 30651-24-2 5-Nitropyridine-2-carboxylic acid|28859|30651-24-2 https://www.jk-sci.com/products/j5328948 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd68fd1789518eb151eb61d03bbddbf8.jpg?v=1776359085 2-(3-Hydroxyphenyl)acetamide | 22446-41-9 2-(3-Hydroxyphenyl)acetamide|28948|22446-41-9 https://www.jk-sci.com/products/j5329005 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a3a8ab4073f0ea9e1fce649a2f2d4c.jpg?v=1776359175 2-Chloro-3,4-diaminopyridine | 39217-08-8 2-Chloro-3,4-diaminopyridine|29005|39217-08-8 https://www.jk-sci.com/products/j5329033 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93ce8803eeeddca0d8aefb10c4e7e01e.jpg?v=1776359230 Fmoc-(R)-2-(aminomethyl)-4-methylpentanoic acid | 1018899-99-4 Fmoc-(R)-2-(aminomethyl)-4-methylpentanoic acid|29033|1018899-99-4 https://www.jk-sci.com/products/j5329091 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e85df014540d1648abf2c67f7599875.jpg?v=1776359351 3-Bromo-4-methylphenol | 60710-39-6 3-Bromo-4-methylphenol|29091|60710-39-6 https://www.jk-sci.com/products/s57c4x-109566 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8e17ec68-507f-42d2-90ea-ae5f2ce3288a.png?v=1775052386 Amlodipine N-Lactoside Besylate Amlodipine N-Lactoside Besylate|C4X-109566 https://www.jk-sci.com/products/j5329066 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d41869e04b6296ebdee153b765042716.jpg?v=1776359304 2-(4-Aminophenoxy)acetic acid hydrate | 2298-36-4 2-(4-Aminophenoxy)acetic acid hydrate|29066|2298-36-4 https://www.jk-sci.com/products/s57c4x-113110 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de4cbccce2ee768bf7622e2559896421.jpg?v=1776407828 Brexpiprazole Impurity 10 | 1191900-58-9 Brexpiprazole Impurity 10|C4X-113110|1191900-58-9 https://www.jk-sci.com/products/j5329132 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/996f2a229545241c77bb610f6f629a8e.jpg?v=1776359433 2,3-Dichloro-5-methylpyridine | 59782-90-0 2,3-Dichloro-5-methylpyridine|29132|59782-90-0 https://www.jk-sci.com/products/s57c4x-116016 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94052bc63b28504c86ccbf87c4f5f921.jpg?v=1776408511 Cholic Acid Impurity 16 | 2458-08-4 Cholic Acid Impurity 16|C4X-116016|2458-08-4 https://www.jk-sci.com/products/j5329181 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86e14c9380a1a9dda70c972ffeb75f29.jpg?v=1776359520 3-Amino-2,5-dibromopyridine | 90902-84-4 3-Amino-2,5-dibromopyridine|29181|90902-84-4 https://www.jk-sci.com/products/s57c4x-124319 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f69096733379fb8c80a3808aa52789dd.jpg?v=1776409672 Efinaconazole Impurity 19 | 164650-45-7 Efinaconazole Impurity 19|C4X-124319|164650-45-7 https://www.jk-sci.com/products/j5329282 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66d43025c387a549565fac23a7a1db79.jpg?v=1776359666 4-Bromo-3-cyanotoluene | 42872-83-3 4-Bromo-3-cyanotoluene|29282|42872-83-3 https://www.jk-sci.com/products/j5329195 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7eb510e7914abe7fdbde163783ea638.jpg?v=1776359555 Tauroursodeoxycholic acid dihydrate | 14605-22-2 Tauroursodeoxycholic acid dihydrate|29195|14605-22-2 https://www.jk-sci.com/products/s57c4x-13456 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161232_d9dd2ed7-6040-45b2-80b0-b1ea7f4c85ff.png?v=1774987936 Spironolactone EP Impurity F | 976-71-6 Spironolactone EP Impurity F|C4X-13456|976-71-6 https://www.jk-sci.com/products/s57c4x-137312 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305b3e9c4b5ce39ef221d37a758c678f.jpg?v=1776410967 N-Formyl Kynurenine | 1022-31-7 N-Formyl Kynurenine|C4X-137312|1022-31-7 https://www.jk-sci.com/products/s57c4x-151410 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b223f4fdaf00becf78b49087c782473.jpg?v=1776412720 Norepinephrine Impurity 10 | 2948-16-5 Norepinephrine Impurity 10|C4X-151410|2948-16-5 https://www.jk-sci.com/products/s57c4x-15188 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427321.png?v=1775052660 Thioctic Acid Impurity 8 | 1070-65-1 Thioctic Acid Impurity 8|C4X-15188|1070-65-1 https://www.jk-sci.com/products/s57c1074173 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456f6d0007db00903fef53bf24eb937c.jpg?v=1776401315 Fondaparinux sodium Impurity N1 | 114903-05-8 Fondaparinux sodium Impurity N1|C1074173|114903-05-8 https://www.jk-sci.com/products/s57c1078633 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386256_39f73c1f-5ba2-47e2-9eed-1d52353fad7f.png?v=1775055302 Bis(2-nitrophenyl)disulfide | 1155-00-6 Bis(2-nitrophenyl)disulfide|C1078633|1155-00-6 https://www.jk-sci.com/products/j5329309 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ce2c395dc706ddf70479290baff0743.jpg?v=1776359704 1-Pentylimidazole | 19768-54-8 1-Pentylimidazole|29309|19768-54-8 https://www.jk-sci.com/products/j5329327 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7dd1277917feb4bb41b0892119a2141.jpg?v=1776359742 2-Fluoro-5-methylpyridine | 2369-19-9 2-Fluoro-5-methylpyridine|29327|2369-19-9 https://www.jk-sci.com/products/j5329361 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45f941c8e20ef9c49e93f07f89c8b018.jpg?v=1776359807 2-Chloro-3,5-dimethylpyridine | 72093-12-0 2-Chloro-3,5-dimethylpyridine|29361|72093-12-0 https://www.jk-sci.com/products/j5329340 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52a39786d7a09aa731696d33f1ae934b.jpg?v=1776359762 3-Bromo-4,5-dimethylpyridine | 27063-98-5 3-Bromo-4,5-dimethylpyridine|29340|27063-98-5 https://www.jk-sci.com/products/j5329371 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45f0b86607160f1a35e7a0ea23edce3f.jpg?v=1776359823 N-[N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)aminocarbonyl]-L-valine lithium salt | 201409-23-6 N-[N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)aminocarbonyl]-L-valine lithium salt|29371|201409-23-6 https://www.jk-sci.com/products/s57c1095954 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30476af7f70f1e8404a1aca382c50b9d.jpg?v=1776401332 Bilastine Impurity N19 | 1181267-30-0 Bilastine Impurity N19|C1095954|1181267-30-0 https://www.jk-sci.com/products/s57c1144133 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399c8702f6353ed6d44812855ffe6732.jpg?v=1776401427 Azasetron Impurity 1 | 123040-79-9 Azasetron Impurity 1|C1144133|123040-79-9 https://www.jk-sci.com/products/j5329434 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66e273fa7a8da4ad777bb5f7b975fcea.jpg?v=1776359860 Ethyl 1H-pyrazole-4-carboxylate | 37622-90-5 Ethyl 1H-pyrazole-4-carboxylate|29434|37622-90-5 https://www.jk-sci.com/products/j5329581 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23523f89cb53781f57153f96e56167bc.jpg?v=1776360021 11-[D(+)-Biotinylamino]-1-azido-3,6,9-trioxaundecane | 875770-34-6 11-[D(+)-Biotinylamino]-1-azido-3,6,9-trioxaundecane|29581|875770-34-6 https://www.jk-sci.com/products/s57c1208012 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4123748e70488b4240979adea1c1f290.jpg?v=1776401511 Pimpinellin | 131-12-4 Pimpinellin|C1208012|131-12-4 https://www.jk-sci.com/products/s57c4x-34201 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29eb2e062ce4f70d9f5090f030bd0e8a.jpg?v=1776419057 Xylazine Impurity 1 | 120077-91-0 Xylazine Impurity 1|C4X-34201|120077-91-0 https://www.jk-sci.com/products/j5329517 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311733923316aafddb1e7201487b6449.jpg?v=1776359959 b-Sitosterol | 83-46-5 b-Sitosterol|29517|83-46-5 https://www.jk-sci.com/products/j5329489 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ce7b2becb7c7fcaa25f59c2d507eedd.jpg?v=1776359930 3-Bromo-5-chloro-2-pyridone | 137628-16-1 3-Bromo-5-chloro-2-pyridone|29489|137628-16-1 https://www.jk-sci.com/products/s57ccad300387 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529540_491b69ca-579c-42b1-bb60-11db3fc4752d.png?v=1774900910 Pyrazinamide | 98-96-4 Pyrazinamide|CCAD300387|98-96-4 https://www.jk-sci.com/products/j5329668 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15d6b0abb2168f968f8cb5c571fb79b.jpg?v=1776360278 Fmoc-4-(4-bromophenyl)-piperidine-4-carboxylic acid | 913542-81-1 Fmoc-4-(4-bromophenyl)-piperidine-4-carboxylic acid|29668|913542-81-1 https://www.jk-sci.com/products/j5329635 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37b200b7a77809bda91c81288c4af690.jpg?v=1776360180 (R)-Fmoc-2-amino-2-methyl-succinic acid-4-tert-butyl ester | 1231709-26-4 (R)-Fmoc-2-amino-2-methyl-succinic acid-4-tert-butyl ester|29635|1231709-26-4 https://www.jk-sci.com/products/s57c1596419 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525772.png?v=1775055331 2,3-Dichloropropionic acid | 565-64-0 2,3-Dichloropropionic acid|C1596419|565-64-0 https://www.jk-sci.com/products/s57ccad300161 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515287_a9b7e5ab-3fb8-461c-a2d2-38a57741716f.png?v=1774965864 Corticosterone | 50-22-6 Corticosterone|CCAD300161|50-22-6 https://www.jk-sci.com/products/j5329672 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1509e6f5990ef1bfb39463e52b5e9ba8.jpg?v=1776360291 Fmoc-N-(propyl)-glycine | 1310680-42-2 Fmoc-N-(propyl)-glycine|29672|1310680-42-2 https://www.jk-sci.com/products/s57c1795535 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153242.png?v=1775055351 Bradykinin | 58-82-2 Bradykinin|C1795535|58-82-2 https://www.jk-sci.com/products/s57c1798766 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be9b4827134ba8d8b79707c33c6dea99.jpg?v=1776402711 Citreorosein | 481-73-2 Citreorosein|C1798766|481-73-2 https://www.jk-sci.com/products/s57ccad300010 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228703.png?v=1774673031 Beta-Estradiol | 50-28-2 Beta-Estradiol|CCAD300010|50-28-2 https://www.jk-sci.com/products/j5329607 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71eeace68261df742bd62e7328843dd1.jpg?v=1776360101 (1S,2R)-Boc-2-aminocyclohexane carboxylic acid | 865689-36-7 (1S,2R)-Boc-2-aminocyclohexane carboxylic acid|29607|865689-36-7 https://www.jk-sci.com/products/j5329650 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95aefe02c6bce6d32d072a9da3789769.jpg?v=1776360220 Fmoc-L-Tyr(propargyl)-OH | 1204595-05-0 Fmoc-L-Tyr(propargyl)-OH|29650|1204595-05-0 https://www.jk-sci.com/products/s57c1799289 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3028aaf5c850afdce47eef008acabbf3.jpg?v=1776402722 Crizotinib Impurity 01 | 877399-51-4 Crizotinib Impurity 01|C1799289|877399-51-4 https://www.jk-sci.com/products/j5329681 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c155e26f2baeba58edc7795a8e3bc5a1.jpg?v=1776360316 (R,S)-Fmoc-3-amino-2-(naphthalen-1-yl)-propionic acid | 1310680-37-5 (R,S)-Fmoc-3-amino-2-(naphthalen-1-yl)-propionic acid|29681|1310680-37-5 https://www.jk-sci.com/products/j5329594 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63deb4748c4210dc1683e6efd9110ba2.jpg?v=1776360064 Boc-4-amino-3,3-dimethyl-butyric acid | 1310680-18-2 Boc-4-amino-3,3-dimethyl-butyric acid|29594|1310680-18-2 https://www.jk-sci.com/products/s57ccad300459 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57ccad300626 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481973_7950af2e-c0bd-4767-9c03-a519100235da.png?v=1775135692 Cefoperazone | 62893-19-0 Cefoperazone|CCAD300626|62893-19-0 https://www.jk-sci.com/products/s57c1805445 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dd6047d7c26b22d17b783c5d5d9e83f.jpg?v=1776402761 DL-2-Methoxyamphetamine hydrochloride | 72739-03-8 DL-2-Methoxyamphetamine hydrochloride|C1805445|72739-03-8 https://www.jk-sci.com/products/s57c1806032 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5d1609829e3e4b5bf6f8b467937074b.jpg?v=1776402768 d-alpha-Tocopheryl Retinoate | 40516-49-2 d-alpha-Tocopheryl Retinoate|C1806032|40516-49-2 https://www.jk-sci.com/products/s57ccad300530 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250693_f134efda-723f-4b99-a87c-68089206004c.png?v=1774972132 Ciprofloxacin | 85721-33-1 Ciprofloxacin|CCAD300530|85721-33-1 https://www.jk-sci.com/products/s57ccad300254 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57ccad300039 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204292.png?v=1774667053 5Alpha-Androstan-17Beta-Ol-3-One | 521-18-6 5Alpha-Androstan-17Beta-Ol-3-One|CCAD300039|521-18-6 https://www.jk-sci.com/products/j5329689 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cdcfe0c27fb4beca197fde528644e56.jpg?v=1776360343 (2S,4R)-Fmoc-4-phenoxy-pyrrolidine-2-carboxylic acid | 1313390-76-9 (2S,4R)-Fmoc-4-phenoxy-pyrrolidine-2-carboxylic acid|29689|1313390-76-9 https://www.jk-sci.com/products/s57ccad300575 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205095_fce21c45-a350-44c3-a112-682b52eac25d.png?v=1774669075 Pipracil | 61477-96-1 Pipracil|CCAD300575|61477-96-1 https://www.jk-sci.com/products/s57c1854990 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9fbef22f581099af8d4d4364f115126_88a51640-2d15-4cef-a08b-fc99cd154358.jpg?v=1776402977 N-(2-Aminoethyl)methanesulfonamide Hydrochloride | 202197-61-3 N-(2-Aminoethyl)methanesulfonamide Hydrochloride|C1854990|202197-61-3 https://www.jk-sci.com/products/s57c3d-1545 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d6aeadd51e693c12a5ece675f1751b.jpg?v=1776403319 2-Amino-3-bromobenzaldehyde | 145123-24-6 2-Amino-3-bromobenzaldehyde|C3D-1545|145123-24-6 https://www.jk-sci.com/products/j5329697 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73e92aba34f6aaec5cec1c5f6bb524dd.jpg?v=1776360368 Fmoc-3-amino-2,2-difluoro-propionic acid | 1310680-49-9 Fmoc-3-amino-2,2-difluoro-propionic acid|29697|1310680-49-9 https://www.jk-sci.com/products/j5329713 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4e6c91ae792f4ee7f64c065dc664bf3.jpg?v=1776360415 (R)-Fmoc-2-aminomethyl-3-methyl-butyric acid | 501331-02-8 (R)-Fmoc-2-aminomethyl-3-methyl-butyric acid|29713|501331-02-8 https://www.jk-sci.com/products/s57c3d-25809 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/963f2cb53d82bda26b5fc56bbcc7179f.jpg?v=1776403370 Tetradecyl Nicotinate | 273203-62-6 Tetradecyl Nicotinate|C3D-25809|273203-62-6 https://www.jk-sci.com/products/s57c3d-25942 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602263.png?v=1775055421 【停用，见C4X-14691】3,6-Dimethoxypyridazine | 24155-42-8 【停用，见C4X-14691】3,6-Dimethoxypyridazine|C3D-25942|24155-42-8 https://www.jk-sci.com/products/s57c3d-2949 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f58fca5c4212b016a351fcfea4f4213d.jpg?v=1776403559 Di-tert-butyl piperazine-1,4-dicarboxylate | 76535-75-6 Di-tert-butyl piperazine-1,4-dicarboxylate|C3D-2949|76535-75-6 https://www.jk-sci.com/products/s57c3d-6028 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7db92b64c166971d284d53912a5e13a1.jpg?v=1776403977 moprolol | 5741-22-0 moprolol|C3D-6028|5741-22-0 https://www.jk-sci.com/products/s57c4x-10025 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcf30f4994701712759a4878ac766968.jpg?v=1776404115 Clarithromycin EP Impurity M | 127182-43-8 Clarithromycin EP Impurity M|C4X-10025|127182-43-8 https://www.jk-sci.com/products/j5329735 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/debe819a6e8250fb20f215d464b0cc7d.jpg?v=1776360469 Na-Boc-Nd-Z-D-ornithine N-hydroxysuccinimide ester Na-Boc-Nd-Z-D-ornithine N-hydroxysuccinimide ester|29735 https://www.jk-sci.com/products/j5329752 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6dc3f780898d3462ac182247e6fe354.jpg?v=1776360514 Blasticidin S hydrochloride | 3513-03-9 Blasticidin S hydrochloride|29752|3513-03-9 https://www.jk-sci.com/products/s57c4x-100612 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338c88420ef54296c6ca7f0bbba4233a.jpg?v=1776404189 Afatinib impurity 12 | 1680184-59-1 Afatinib impurity 12|C4X-100612|1680184-59-1 https://www.jk-sci.com/products/s57c4x-100822 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36c7aae2dfaa16872d94da31879d440c.jpg?v=1776404252 Aripiprazole EP Impurity F | 573691-09-5 Aripiprazole EP Impurity F|C4X-100822|573691-09-5 https://www.jk-sci.com/products/s57c4x-1020135 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566097.png?v=1775052350 Vonoprazan Impurity 135 | 55717-46-9 Vonoprazan Impurity 135|C4X-1020135|55717-46-9 https://www.jk-sci.com/products/s57c4x-1020219 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab84130e301f18a4167500861321c8e3.jpg?v=1776404537 Vonoprazan Impurity 219 | 123151-15-5 Vonoprazan Impurity 219|C4X-1020219|123151-15-5 https://www.jk-sci.com/products/s57ccad300711 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335371.png?v=1774661336 17beta-Estradiol-D4 | 66789-03-5 17beta-Estradiol-D4|CCAD300711|66789-03-5 https://www.jk-sci.com/products/j5329770 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e506941cf5df83ea57b5fc6eeca3795.jpg?v=1776360542 D-Cysteine ethyl ester hydrochloride | 75521-14-1 D-Cysteine ethyl ester hydrochloride|29770|75521-14-1 https://www.jk-sci.com/products/j5329791 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbfe17ea4f9865af3e0842dc147031ad_ec94ecf1-6d86-45c9-9c50-5ecc1745344d.jpg?v=1776360601 Trityl chloride resin (1 - 2 mmol/g, 200 - 400 mesh) Trityl chloride resin (1 - 2 mmol/g, 200 - 400 mesh)|29791 https://www.jk-sci.com/products/j5329775 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f282f6a04fe270bd616812b79df86fd.jpg?v=1776360555 (2S,5S)-Boc-5-methylpyrrolidine-2-carboxylic acid | 334769-80-1 (2S,5S)-Boc-5-methylpyrrolidine-2-carboxylic acid|29775|334769-80-1 https://www.jk-sci.com/products/j5329795 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b574428990f3ca7f74e860c498af93d.jpg?v=1776360608 Calcium chloride anhydrous | 10043-52-4 Calcium chloride anhydrous|29795|10043-52-4 https://www.jk-sci.com/products/s57c4x-102523 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4be15c4302e96532e9dfddaec5f51321.jpg?v=1776404652 Crizotinib impurity 23 | 877399-73-0 Crizotinib impurity 23|C4X-102523|877399-73-0 https://www.jk-sci.com/products/j5329809 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbfbc716b243ea8ecd76029725c1688e.jpg?v=1784619556 Guanosine, Low endotoxin: = 0.5 EU/mg | 118-00-3 Guanosine, Low endotoxin: = 0.5 EU/mg|29809|118-00-3 https://www.jk-sci.com/products/s57c4x-103115 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/666b2499a70c0f9139b4ca7aa7737ae9.jpg?v=1776404782 Montelukast EP Impurity E | 1187586-58-8 Montelukast EP Impurity E|C4X-103115|1187586-58-8 https://www.jk-sci.com/products/s57c4x-103942 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489669_cdf16263-860a-4ad1-b29e-6b2b6ea2e3b3.png?v=1775055474 Donepezil EP impurity A | 120014-30-4 Donepezil EP impurity A|C4X-103942|120014-30-4 https://www.jk-sci.com/products/s57c4x-105745 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cfe1afed7452ede43be8ad90f33c766.jpg?v=1776405359 Valsartan Impurity 45 | 358685-13-9 Valsartan Impurity 45|C4X-105745|358685-13-9 https://www.jk-sci.com/products/s57c4x-105983 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_edb0176a-617a-4d60-bf31-a63262c9f642.png?v=1775055495 Cinacalcet impurity 83 Cinacalcet impurity 83|C4X-105983 https://www.jk-sci.com/products/j5329822 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03ce331908589cc5d6014302199121ba.jpg?v=1776360673 H-Val-Ala-pNA·AcOH | 108321-94-4 H-Val-Ala-pNA·AcOH|29822|108321-94-4 https://www.jk-sci.com/products/s57c4x-108412 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bd6d31ac5e7f2427dba78e901d335ae_810145bf-2625-4ec0-ac47-59cdb3e3ef3c.jpg?v=1776406340 Roflumilast N-Oxide | 292135-78-5 Roflumilast N-Oxide|C4X-108412|292135-78-5 https://www.jk-sci.com/products/s57c4x-10872 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6256fd70366142d6ec086d637d7d887_3ccfc2e7-be2d-4971-a77a-40bd2eb79693.jpg?v=1776406451 Tadalafil EP Impurity B | 629652-72-8 Tadalafil EP Impurity B|C4X-10872|629652-72-8 https://www.jk-sci.com/products/j5329839 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd6109ecda6d5c856fcbc37684630dcb.jpg?v=1776360709 Risedronate Sodium Hemipentahydrate USP | 329003-65-8 Risedronate Sodium Hemipentahydrate USP|29839|329003-65-8 https://www.jk-sci.com/products/s57c4x-121370 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5f58cda-9950-4d02-8083-c3a71008c3ba.png?v=1775055622 Roxatidine impurity 70 Roxatidine impurity 70|C4X-121370 https://www.jk-sci.com/products/j5329827 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d1320f87d9c3e00b64872ecee0189c3.jpg?v=1776360684 Camphorquinone | 10373-78-1 Camphorquinone|29827|10373-78-1 https://www.jk-sci.com/products/j5329884 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6cdb69c8edae59674734c8e39419a39.jpg?v=1776360818 Dextran powder, Mw ~ 500000 | 9004-54-0 Dextran powder, Mw ~ 500000|29884|9004-54-0 https://www.jk-sci.com/products/s57c4x-12307 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/892d2d4bb0fb3dc1315a30cf34f0d0e7.jpg?v=1776409462 Dexmedetomidine Impurity 7 | 86347-12-8 Dexmedetomidine Impurity 7|C4X-12307|86347-12-8 https://www.jk-sci.com/products/s57c4x-126750 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c0156e755f964dee43c212e5892e0a3.jpg?v=1776409991 Ixazomib Impurity 50 | 220315-20-8 Ixazomib Impurity 50|C4X-126750|220315-20-8 https://www.jk-sci.com/products/s57c4x-137322 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/670ebad39d9cac9d7de2a76f6f57a879.jpg?v=1776410976 Tryptophan Impurity 22 | 881025-90-7 Tryptophan Impurity 22|C4X-137322|881025-90-7 https://www.jk-sci.com/products/j5329893 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c22bd608d3ccc4bd12722d30161e202.jpg?v=1776360847 Dextran powder, Mw ~175,000 to 275,000 | 9004-54-0 Dextran powder, Mw ~175,000 to 275,000|29893|9004-54-0 https://www.jk-sci.com/products/j5329872 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ec0d95e673f7cc601779cc913dc85da.jpg?v=1776360792 4-Bromo-2-nitrotoluene | 60956-26-5 4-Bromo-2-nitrotoluene|29872|60956-26-5 https://www.jk-sci.com/products/j5329848 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c54e69c36e5f72d2141702f11a76415.jpg?v=1776360726 4-Methoxy-2,3-dihydro-1H-indole hydrochloride | 90609-70-4 4-Methoxy-2,3-dihydro-1H-indole hydrochloride|29848|90609-70-4 https://www.jk-sci.com/products/j5329887 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e2ecbdfc4f15d82e79887f9e3a67c03.jpg?v=1776360828 Dextran powder, Mw ~ 10000 | 9004-54-0 Dextran powder, Mw ~ 10000|29887|9004-54-0 https://www.jk-sci.com/products/s57c4x-151462 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ed4d85b-7a12-4cbd-8af9-edf412da8bfc.png?v=1775055799 Norepinephrine EP Impurity G HCl Norepinephrine EP Impurity G HCl|C4X-151462 https://www.jk-sci.com/products/s57ccad300759 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332724_31317c16-efcb-4a04-a09c-983154280191.png?v=1774711643 D-Pantothenic Acid | 79-83-4 D-Pantothenic Acid|CCAD300759|79-83-4 https://www.jk-sci.com/products/s57c1052708 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c122afd6871f990b2ab59e43f4ba8658.jpg?v=1776401249 Glutaryl Carnitine | 109006-11-3 Glutaryl Carnitine|C1052708|109006-11-3 https://www.jk-sci.com/products/s57c1312891 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23278eb753c0fe1037623d1b3101c9d0.jpg?v=1776401709 5-(4-Bromophenyl)-4,6-dichloropyrimidine | 146533-41-7 5-(4-Bromophenyl)-4,6-dichloropyrimidine|C1312891|146533-41-7 https://www.jk-sci.com/products/j5328457 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbe0c6f1c147a0272a21f121e0e52d78.jpg?v=1776357976 3-Methyl-2-nitro-benzoic acid methyl ester | 5471-82-9 3-Methyl-2-nitro-benzoic acid methyl ester|28457|5471-82-9 https://www.jk-sci.com/products/s57c1364821 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ae79de843cbc3e58551246f6697e5fc.jpg?v=1776401833 N-(4-Hydroxybenzylidene)aniline | 1689-73-2 N-(4-Hydroxybenzylidene)aniline|C1364821|1689-73-2 https://www.jk-sci.com/products/s57c1557746 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e206db9805f5408f116225e383c2791.jpg?v=1776402158 2-((2-Fluorobenzyl)amino)ethanol | 64834-60-2 2-((2-Fluorobenzyl)amino)ethanol|C1557746|64834-60-2 https://www.jk-sci.com/products/j5329905 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a71d73886d6b3201280d4b4b4e3b55e8.jpg?v=1776360869 3,4-Dimethoxybenzoic acid | 93-07-2 3,4-Dimethoxybenzoic acid|29905|93-07-2 https://www.jk-sci.com/products/s57c1703730 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522471_edcb7e5f-a02d-4ecd-af61-e45770f56981.png?v=1775055336 N-[4-(Trifluoromethyl)phenyl]acetamide | 349-97-3 N-[4-(Trifluoromethyl)phenyl]acetamide|C1703730|349-97-3 https://www.jk-sci.com/products/s57c1788279 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e0a46b700f45708a8e382758f265cb0.jpg?v=1776402586 Acetyl-4-iodo-DL-phenylalanine | 457615-88-2 Acetyl-4-iodo-DL-phenylalanine|C1788279|457615-88-2 https://www.jk-sci.com/products/s57c1818618 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d0bf930d4cc410de93770c1bf9ff9d3.jpg?v=1776402804 Roxadustat Impurity N1 | 808116-52-1 Roxadustat Impurity N1|C1818618|808116-52-1 https://www.jk-sci.com/products/s57c1866927 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d155cb0947cc7baf86fe21e1cabf266.jpg?v=1776402993 N-(5-Bromo-3-methylpyridin-2-yl)-N-methylbenzamide | 446299-80-5 N-(5-Bromo-3-methylpyridin-2-yl)-N-methylbenzamide|C1866927|446299-80-5 https://www.jk-sci.com/products/s57c1894627 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0e2dc78f10cea6c4809584704d0eb9.jpg?v=1776403132 Saxagliptin Impurity N38 | 709031-29-8 Saxagliptin Impurity N38|C1894627|709031-29-8 https://www.jk-sci.com/products/s57c1917765 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301194.png?v=1775055396 1-(tert-Butyl)-4-iodobenzene | 35779-04-5 1-(tert-Butyl)-4-iodobenzene|C1917765|35779-04-5 https://www.jk-sci.com/products/j5328727 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2909f9d5842fd02409c55c00977dc1f.jpg?v=1776358575 2-Chloro-5-acetylpyridine | 55676-22-7 2-Chloro-5-acetylpyridine|28727|55676-22-7 https://www.jk-sci.com/products/s57c1932081 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4af5dea8e3ecd60732ab5e4a9294670.jpg?v=1776403310 Efavirenz Related Compound A | 209414-27-7 Efavirenz Related Compound A|C1932081|209414-27-7 https://www.jk-sci.com/products/j5328839 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7547cc4732db35500edf1b7a777453bc.jpg?v=1776358826 3-Bromo-2-fluoropyridine | 36178-05-9 3-Bromo-2-fluoropyridine|28839|36178-05-9 https://www.jk-sci.com/products/j5329055 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2d5a0f4f8e051d5d443cde6277bf19e.jpg?v=1776359275 Imidazo[1,2-b]pyridazine | 766-55-2 Imidazo[1,2-b]pyridazine|29055|766-55-2 https://www.jk-sci.com/products/j5329107 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92b3f0b786e627e9ac8ca9d1ab29707a.jpg?v=1776359386 2-Chloro-1,3-bis(dimethylamino)trimethinium hexafluorophosphate | 291756-76-8 2-Chloro-1,3-bis(dimethylamino)trimethinium hexafluorophosphate|29107|291756-76-8 https://www.jk-sci.com/products/s57c3d-2327 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297270_fad7ea4c-cff8-4325-8182-2aad8fcef92e.png?v=1775060290 1-Ethylpiperidin-3-Amine | 6789-94-2 1-Ethylpiperidin-3-Amine|C3D-2327|6789-94-2 https://www.jk-sci.com/products/j5328976 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4544713a08d75d0a3b6616771fe43d1f.jpg?v=1776359136 5-Bromo-7-azaindole | 183208-35-7 5-Bromo-7-azaindole|28976|183208-35-7 https://www.jk-sci.com/products/j5329297 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3ad1af2ebf2351e83d23512950f4e95.jpg?v=1776359688 5'-Bromo-2'-hydroxy-4'-methylacetophenone | 50342-17-1 5'-Bromo-2'-hydroxy-4'-methylacetophenone|29297|50342-17-1 https://www.jk-sci.com/products/s57c3d-25899 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618102.png?v=1775055413 5-Aminolevulinic Acid Hydrochloride | 5451-09-2 5-Aminolevulinic Acid Hydrochloride|C3D-25899|5451-09-2 https://www.jk-sci.com/products/j5329367 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26c066d5f4a8fdf991543f526d2ea126.jpg?v=1776359816 1,5-Bis-Boc-1,5,9-triazanonane | 122248-82-2 1,5-Bis-Boc-1,5,9-triazanonane|29367|122248-82-2 https://www.jk-sci.com/products/j5329186 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34860ee9feacfbc9514dd09768fb6ad.jpg?v=1776359538 4-Chloro-2-hydroxy-3-nitropyridine | 165547-79-5 4-Chloro-2-hydroxy-3-nitropyridine|29186|165547-79-5 https://www.jk-sci.com/products/j5329330 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f07d1e9ce3bb169a6fc021ec707d5381.jpg?v=1776359752 3-Amino-2-bromo-6-chloropyridine | 1050501-88-6 3-Amino-2-bromo-6-chloropyridine|29330|1050501-88-6 https://www.jk-sci.com/products/s57c3d-26035 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ae2ff9b38c19a3b4122f97fe9e7c68e_6b1eab31-fabe-4899-98fa-a46fa33dfe3f.jpg?v=1776403435 4-Bromobenzo[b]thiophene-2-carboxylic acid | 5194-37-6 4-Bromobenzo[b]thiophene-2-carboxylic acid|C3D-26035|5194-37-6 https://www.jk-sci.com/products/s57c3d-3626 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577325_0370adb8-c143-45a0-a39b-72a80e128045.png?v=1775055425 (R)-(+)-Tetrahydrofuran-2-carboxylic Acid | 87392-05-0 (R)-(+)-Tetrahydrofuran-2-carboxylic Acid|C3D-3626|87392-05-0 https://www.jk-sci.com/products/j5329547 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462a10ed3b5a960e9fa0783c2285a002.jpg?v=1776359981 Sodium tert-butoxide solution | 865-48-5 Sodium tert-butoxide solution|29547|865-48-5 https://www.jk-sci.com/products/s57c3d-4922 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513711.png?v=1775060326 β-Nornicotyrine | 494-98-4 β-Nornicotyrine|C3D-4922|494-98-4 https://www.jk-sci.com/products/j5329438 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f2705c40bd6c67d92eed92b37154c4b.jpg?v=1776359871 3-Amino-4-bromo-2-methylpyridine | 126325-48-2 3-Amino-4-bromo-2-methylpyridine|29438|126325-48-2 https://www.jk-sci.com/products/s57c3d-5729 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d76909926338f89d396b1062314d292.jpg?v=1776403904 N-cyclohexylmorpholine-4-carboxamide | 3417-54-7 N-cyclohexylmorpholine-4-carboxamide|C3D-5729|3417-54-7 https://www.jk-sci.com/products/j5329602 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/752a59aae924ea86367a311cd7975978.jpg?v=1776360089 (R,S)-Boc-3-amino-2-(3,4-dimethoxy-benzyl)-propionic acid | 1076197-01-7 (R,S)-Boc-3-amino-2-(3,4-dimethoxy-benzyl)-propionic acid|29602|1076197-01-7 https://www.jk-sci.com/products/s57c4x-102932 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21df8480da529f28f09dc2d555850f16.jpg?v=1776404754 Clopidogrel Impurity 32 | 1258938-54-3 Clopidogrel Impurity 32|C4X-102932|1258938-54-3 https://www.jk-sci.com/products/j5329645 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb46c541b888a6b31e48014d56d6fd8e.jpg?v=1776360208 Fmoc-a-methyl-D-4-bromophenylalanine | 1310682-06-4 Fmoc-a-methyl-D-4-bromophenylalanine|29645|1310682-06-4 https://www.jk-sci.com/products/j5329691 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79445a2aed2bcec7ba2be3a53b7daf9a.jpg?v=1776360348 (2S,4S)-Fmoc-4-trifluoromethyl-pyrrolidine-2-carboxylic acid | 1242934-32-2 (2S,4S)-Fmoc-4-trifluoromethyl-pyrrolidine-2-carboxylic acid|29691|1242934-32-2 https://www.jk-sci.com/products/j5329666 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117e382206e36e0626fb897249d38b92.jpg?v=1776360271 Fmoc-4-(4-chlorophenyl)-piperidine-4-carboxylic acid | 887129-04-6 Fmoc-4-(4-chlorophenyl)-piperidine-4-carboxylic acid|29666|887129-04-6 https://www.jk-sci.com/products/j5329679 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fa401e7e353d27436b44f4e1a1ec5ae.jpg?v=1776360309 (R,S)-Fmoc-3-amino-2-(naphthalen-1-ylmethyl)-propionic acid | 497059-60-6 (R,S)-Fmoc-3-amino-2-(naphthalen-1-ylmethyl)-propionic acid|29679|497059-60-6 https://www.jk-sci.com/products/j5329725 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/727f94da19390179db1f15a3c76a00bc.jpg?v=1776360450 7-Aminoheptanoic acid hydrochloride | 62643-56-5 7-Aminoheptanoic acid hydrochloride|29725|62643-56-5 https://www.jk-sci.com/products/s57c4x-10509 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1d78bcae4388016d601b8ea2820b1d2.jpg?v=1776405089 Salmeterol Impurity 9 | 27475-14-5 Salmeterol Impurity 9|C4X-10509|27475-14-5 https://www.jk-sci.com/products/s57c4x-105717 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff19e04ed648bb8e07134dd0b95070f3.jpg?v=1776405338 Valsartan Impurity 17 ( Losartan EP Impurity E ) | 120568-11-8 Valsartan Impurity 17 ( Losartan EP Impurity E )|C4X-105717|120568-11-8 https://www.jk-sci.com/products/j5329789 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0fe27294cfb6a126262e5328303cd44.jpg?v=1776360595 3-(Methylthio)-1-propanol | 505-10-2 3-(Methylthio)-1-propanol|29789|505-10-2 https://www.jk-sci.com/products/j5329753 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d682fa2068d3074493e80c1f99fa788.jpg?v=1776360517 Fmoc-N-(2-tert-butoxyethyl)glycine | 141743-30-8 Fmoc-N-(2-tert-butoxyethyl)glycine|29753|141743-30-8 https://www.jk-sci.com/products/s57c4x-106236 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0cdf3e02-c07e-4a45-a417-9e76fedb833b.png?v=1775055499 Edaravone impurity 36 (Mixture of Enantiomers) Edaravone impurity 36 (Mixture of Enantiomers)|C4X-106236 https://www.jk-sci.com/products/s57c4x-10629 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90f4a7d86d09dba21d3f12bc1fb301e.jpg?v=1776405476 Edaravone Impurity 9 | 19735-89-8 Edaravone Impurity 9|C4X-10629|19735-89-8 https://www.jk-sci.com/products/s57c4x-10814 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8461bb3aa6b18796c8ca65fc2cd8f1a8.jpg?v=1776406225 Diacerein EP Impurity G | 64951-96-8 Diacerein EP Impurity G|C4X-10814|64951-96-8 https://www.jk-sci.com/products/j5329798 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3973cae4a7bb1c8c7868cb0ce6c77a27.jpg?v=1776360615 3-N-Boc-aminomethyl pyrrolidine hydrochloride | 1188263-69-5 3-N-Boc-aminomethyl pyrrolidine hydrochloride|29798|1188263-69-5 https://www.jk-sci.com/products/s57ccad300821 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623756_65dd9801-e2d0-42d6-8286-01ed5c46d778.png?v=1775136908 Everolimus | 159351-69-6 Everolimus|CCAD300821|159351-69-6 https://www.jk-sci.com/products/s57c4x-10822 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4df0d5ca0693b878c115575b044b90a.jpg?v=1776406249 Ibuprofen EP Impurity B | 3585-49-7 Ibuprofen EP Impurity B|C4X-10822|3585-49-7 https://www.jk-sci.com/products/j5329823 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afccb617193da0673911681d075e5568.jpg?v=1784618922 Adenosine free base, Bacterial Endotoxins = 50 EU/100g | 58-61-7 Adenosine free base, Bacterial Endotoxins = 50 EU/100g|29823|58-61-7 https://www.jk-sci.com/products/j5329888 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d50a51d5c3f227eb09d061f7d9268cd4.jpg?v=1776360831 Dextran powder, Mw ~ 20000 | 9004-54-0 Dextran powder, Mw ~ 20000|29888|9004-54-0 https://www.jk-sci.com/products/s57c4x-1090113 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c00942c8677f0a74e31240a15d9c08f.jpg?v=1776406628 Rivaroxaban Impurity113 | 119835-88-0 Rivaroxaban Impurity113|C4X-1090113|119835-88-0 https://www.jk-sci.com/products/j5329840 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d32a8e4697e7b496f7fdf4f32810cae4.jpg?v=1776360712 Benzoin | 119-53-9 Benzoin|29840|119-53-9 https://www.jk-sci.com/products/s57c4x-109531 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6ed5c484c93c9a1ca15a5efe6e1ca0c.jpg?v=1776406848 Amlodipine Besylate EP Impurity D | 113994-41-5 Amlodipine Besylate EP Impurity D|C4X-109531|113994-41-5 https://www.jk-sci.com/products/s57ccad301034 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496697.png?v=1774644805 Olanzapine | 132539-06-1 Olanzapine|CCAD301034|132539-06-1 https://www.jk-sci.com/products/j5329910 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0ab21c81e2f8857dbe14f388f54f835.jpg?v=1776360882 2-Amino-5-cyanobenzoic acid | 99767-45-0 2-Amino-5-cyanobenzoic acid|29910|99767-45-0 https://www.jk-sci.com/products/s57c4x-119313 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91d18f52195dfb4a323cfec913247a38.jpg?v=1776409008 Cefepime EP Impurity E(HCl) | 103121-85-3 Cefepime EP Impurity E(HCl)|C4X-119313|103121-85-3 https://www.jk-sci.com/products/j5329883 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e56882c6810e21c60631d1cba3c901e8.jpg?v=1776360815 Xanthine monosodium salt, monohydrate | 1196-43-6 Xanthine monosodium salt, monohydrate|29883|1196-43-6 https://www.jk-sci.com/products/s57c4x-11945 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94820bdcad986b24740ef37f9dfee9a7.jpg?v=1776409019 Lamivudine EP Impurity B(Enantiomer Mixture) | 131086-22-1 Lamivudine EP Impurity B(Enantiomer Mixture)|C4X-11945|131086-22-1 https://www.jk-sci.com/products/s57c4x-12444 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8ffd1a2-175a-484e-8e5d-2e0d94e9345d.png?v=1775055641 Quetiapine Impurity 4 Quetiapine Impurity 4|C4X-12444 https://www.jk-sci.com/products/s57c4x-130855 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7abdc909-dc97-4872-b606-4ba8d1f2920f.png?v=1775060579 Levosimendan Impurity 55 Levosimendan Impurity 55|C4X-130855 https://www.jk-sci.com/products/s57c4x-138618 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_94ac1812-09ba-4581-888f-0c5c808fdf4e.png?v=1775055733 Raltitrexed Impurity 18 Raltitrexed Impurity 18|C4X-138618 https://www.jk-sci.com/products/j5329920 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473fff1725328ffab7f828a8cf7091ab.jpg?v=1776360908 Aluminum potassium sulfate dodecahydrate | 7784-24-9 Aluminum potassium sulfate dodecahydrate|29920|7784-24-9 https://www.jk-sci.com/products/s57c4x-13952 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281546_43e6b9f3-6be8-4988-8b56-96e2f475df78.png?v=1775060630 Folic acid EP Impurity B | 1004-75-7 Folic acid EP Impurity B|C4X-13952|1004-75-7 https://www.jk-sci.com/products/s57c4x-15197 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6be8a282dfa4a0320ce1c10df295e9f0.jpg?v=1776412822 Propranolol Impurity 7 | 34646-56-5 Propranolol Impurity 7|C4X-15197|34646-56-5 https://www.jk-sci.com/products/s57c1192402 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7056c15db44e97415351dcabfa5bdc23.jpg?v=1776401486 (3R,5S)-3-(Boc-amino)-5-Methylpiperidine | 1270019-92-5 (3R,5S)-3-(Boc-amino)-5-Methylpiperidine|C1192402|1270019-92-5 https://www.jk-sci.com/products/j5329942 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01c87e9495993c05b8697202cf15da1a.jpg?v=1776360970 2-Aminoindan hydrochloride | 2338-18-3 2-Aminoindan hydrochloride|29942|2338-18-3 https://www.jk-sci.com/products/j5329948 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8802a075870eaebe562d28b061c1655e.jpg?v=1776360990 5-Aminoquinoline | 611-34-7 5-Aminoquinoline|29948|611-34-7 https://www.jk-sci.com/products/s57c1325344 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2528464c0579c0307d4e60986e2d591b.jpg?v=1776401733 5H-pyrrolo[2,3-b]pyrazin-2-amine | 1504066-86-7 5H-pyrrolo[2,3-b]pyrazin-2-amine|C1325344|1504066-86-7 https://www.jk-sci.com/products/s57c1611070 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570193.png?v=1775062453 2-Amino-3-methylbenzoic Acid Methyl Ester | 22223-49-0 2-Amino-3-methylbenzoic Acid Methyl Ester|C1611070|22223-49-0 https://www.jk-sci.com/products/s57c1715285 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476168_adb8abda-633b-4d53-a25d-444888ac4ea0.png?v=1775060254 4-Bromo-2-nitrotoluene | 60956-26-5 4-Bromo-2-nitrotoluene|C1715285|60956-26-5 https://www.jk-sci.com/products/j5329960 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34452f2d8f4a6a8a74e0fafbaf7f7324.jpg?v=1776361025 7-Bromo-L-tryptophan | 75816-19-2 7-Bromo-L-tryptophan|29960|75816-19-2 https://www.jk-sci.com/products/s57ccad301080 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c1775239 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417376.png?v=1775062460 6-Methylheptanoic Acid | 929-10-2 6-Methylheptanoic Acid|C1775239|929-10-2 https://www.jk-sci.com/products/s57c1795327 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3d81c687a6bcca9dbfee6c17eac3a3a_1e8e611a-9a41-443e-b9e9-4b4c50522d2b.jpg?v=1776402646 (R)-2-((tert-Butoxycarbonyl)amino)-3-mercaptopropanoic acid | 20887-95-0 (R)-2-((tert-Butoxycarbonyl)amino)-3-mercaptopropanoic acid|C1795327|20887-95-0 https://www.jk-sci.com/products/s57c1815239 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310461.png?v=1775062477 Ethyl 3,5-dinitrobenzoate | 618-71-3 Ethyl 3,5-dinitrobenzoate|C1815239|618-71-3 https://www.jk-sci.com/products/j5329964 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddb77e73aa4ce0e14b7db2ef587955e7.jpg?v=1776361039 HDMA | 958029-37-3 HDMA|29964|958029-37-3 https://www.jk-sci.com/products/s57c1917476 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416022_8febb7c1-b5b1-4e11-adb4-a8a7e1dd66e7.png?v=1775060269 1-Bromo-3,4-difluorobenzene | 348-61-8 1-Bromo-3,4-difluorobenzene|C1917476|348-61-8 https://www.jk-sci.com/products/s57c3d-1502 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479741.png?v=1775060282 3-hydroxy-2-pyrone | 496-64-0 3-hydroxy-2-pyrone|C3D-1502|496-64-0 https://www.jk-sci.com/products/s57c3d-2162 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136557_1357b8d7-797e-4bd5-9df5-7b0d4ef8ea3e.png?v=1775062503 Hexyl 5-amino-4-oxopentanoate hydrochloride | 140898-91-5 Hexyl 5-amino-4-oxopentanoate hydrochloride|C3D-2162|140898-91-5 https://www.jk-sci.com/products/j5329968 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10584b8cda8935670293ce50fed68811.jpg?v=1776361052 Oxyma-B anhydrous | 5417-13-0 Oxyma-B anhydrous|29968|5417-13-0 https://www.jk-sci.com/products/s57c3d-262194 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8e3dde67df646c4f167114e3773c67d.jpg?v=1776403490 Ethyl 4-(tert-butylamino)benzoate | 36171-08-1 Ethyl 4-(tert-butylamino)benzoate|C3D-262194|36171-08-1 https://www.jk-sci.com/products/s57c3d-5416 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_480876ae-13c4-4316-ba99-dffcae42c87b.png?v=1775060339 tert-butyl tert-butyl(2-(methoxy(methyl)amino)-2-oxoethyl)carbamate tert-butyl tert-butyl(2-(methoxy(methyl)amino)-2-oxoethyl)carbamate|C3D-5416 https://www.jk-sci.com/products/s57c3d-5776 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481974.png?v=1775062522 4-Aminobutanamide hydrochloride | 13031-62-4 4-Aminobutanamide hydrochloride|C3D-5776|13031-62-4 https://www.jk-sci.com/products/j5329970 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/043829e810177c966afa865427c5b630.jpg?v=1776361059 5-Bromo-4-chloro-3-indolyl-1,3-diacetate | 3030-06-6 5-Bromo-4-chloro-3-indolyl-1,3-diacetate|29970|3030-06-6 https://www.jk-sci.com/products/s57ccad301137 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291641.png?v=1774711647 Tigecycline | 220620-09-7 Tigecycline|CCAD301137|220620-09-7 https://www.jk-sci.com/products/s57c4x-10116 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433021.png?v=1775060352 Oxiracetam Impurity 6 | 106-57-0 Oxiracetam Impurity 6|C4X-10116|106-57-0 https://www.jk-sci.com/products/s57c4x-10122 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135216.png?v=1775060358 Baclofen EP Impurity B | 1141-23-7 Baclofen EP Impurity B|C4X-10122|1141-23-7 https://www.jk-sci.com/products/s57c4x-101517 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b70a6d6d2f411f2fa8f128f93beb5a20.jpg?v=1776404395 Clevidipine Butyrate impurity 17 | 123853-39-4 Clevidipine Butyrate impurity 17|C4X-101517|123853-39-4 https://www.jk-sci.com/products/s57c4x-102929 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/722387f1b7b30a866609d760d68eef33.jpg?v=1776404747 Clopidogrel Impurity 29 | 1396607-49-0 Clopidogrel Impurity 29|C4X-102929|1396607-49-0 https://www.jk-sci.com/products/s57ccad301196 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129219.png?v=1774903273 Levofloxacin | 100986-85-4 Levofloxacin|CCAD301196|100986-85-4 https://www.jk-sci.com/products/j5329977 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a607ffb55b59c82bdf47c61220cb0077.jpg?v=1776361079 Diethyl ketomalonate | 609-09-6 Diethyl ketomalonate|29977|609-09-6 https://www.jk-sci.com/products/s57c4x-103516 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508806_64eac0e4-f53a-4d3f-b4e6-548b90ce1d31.png?v=1775062567 Paroxetine HCl Anhydrous EP Impurity B | 533-31-3 Paroxetine HCl Anhydrous EP Impurity B|C4X-103516|533-31-3 https://www.jk-sci.com/products/s57ccad301166 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371057.png?v=1774986587 rac Normetanephrine Hydrochloride | 1011-74-1 rac Normetanephrine Hydrochloride|CCAD301166|1011-74-1 https://www.jk-sci.com/products/j5329986 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229cd16574b4d9f444cef3ed1e861ee2.jpg?v=1776361095 1,3-Diisopropyl-2-thiourea | 2986-17-6 1,3-Diisopropyl-2-thiourea|29986|2986-17-6 https://www.jk-sci.com/products/s57ccad301210 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273145.png?v=1775142157 Cortisol-9,11,12,12-d4 | 73565-87-4 Cortisol-9,11,12,12-d4|CCAD301210|73565-87-4 https://www.jk-sci.com/products/j5330015 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c74e268277cb28f70f4e912d2f6bf91.jpg?v=1776361192 2-Fluorobenzoic acid | 445-29-4 2-Fluorobenzoic acid|30015|445-29-4 https://www.jk-sci.com/products/j5330038 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d787576eadd5bd652975936dbf29660.jpg?v=1776361240 Uracil-1-b-D-arabinofuranoside | 3083-77-0 Uracil-1-b-D-arabinofuranoside|30038|3083-77-0 https://www.jk-sci.com/products/j5330049 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a3c311879dc154145934e7ed330cc0c.jpg?v=1784619786 2'-Deoxy-2'-fluorouridine | 784-71-4 2'-Deoxy-2'-fluorouridine|30049|784-71-4 https://www.jk-sci.com/products/j5330064 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4425672f856d6742111f1f02d63aacef.jpg?v=1776361288 Acetonitrile | 75-05-8 Acetonitrile|30064|75-05-8 https://www.jk-sci.com/products/j5330127 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5087443825e6983630d6d0e6c805a7e0.jpg?v=1776361405 Lithium hydroxide monohydrate | 1310-66-3 Lithium hydroxide monohydrate|30127|1310-66-3 https://www.jk-sci.com/products/s57c4x-10356 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1893a1bbde4d7a5cc5d6a1628ac23631.jpg?v=1776404875 Paroxetine EP Impurity G HCl | 1012886-75-7 Paroxetine EP Impurity G HCl|C4X-10356|1012886-75-7 https://www.jk-sci.com/products/j5330084 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8e528f59c02e03ae9c7f3f48950d72c.jpg?v=1776361325 Potassium fluoride | 7789-23-3 Potassium fluoride|30084|7789-23-3 https://www.jk-sci.com/products/j5330143 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9ef94db41eef99506e71cf8f91f34f5.jpg?v=1776361455 N,N-Dimethylformamide | 68-12-2 N,N-Dimethylformamide|30143|68-12-2 https://www.jk-sci.com/products/s57c4x-10535 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2084f9d0a65bd5076e9e2295eb44f0a9.jpg?v=1776405161 Solifenacin EP impurity G | 740780-79-4 Solifenacin EP impurity G|C4X-10535|740780-79-4 https://www.jk-sci.com/products/s57c4x-1054 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1564259_f117570b-cf06-41ef-8411-98043d674293.png?v=1775062586 Tedizolid | 856866-72-3 Tedizolid|C4X-1054|856866-72-3 https://www.jk-sci.com/products/s57c4x-105617 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ea032b63-5ee4-46c7-b477-8927f3ab4380.png?v=1775060402 Vortioxetine Impurity 17 TFA Vortioxetine Impurity 17 TFA|C4X-105617 https://www.jk-sci.com/products/s57ccad301214 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/j5328606 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7d4dcf5b16026edb05c86dc7cf5316c.jpg?v=1776358310 6-Cyano-1-tetralone | 90401-84-6 6-Cyano-1-tetralone|28606|90401-84-6 https://www.jk-sci.com/products/s57c4x-107146 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200907_d69cffe7-c38a-4c0e-a700-43ac025f277c.png?v=1775060409 Axitinib impurity 46 | 261953-36-0 Axitinib impurity 46|C4X-107146|261953-36-0 https://www.jk-sci.com/products/s57c4x-10766 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a59ba2ec2d4dcbeff78c4ec36a55c7a8.jpg?v=1776406050 Tenofovir disoproxil Impurity 6 | 1093279-77-6 Tenofovir disoproxil Impurity 6|C4X-10766|1093279-77-6 https://www.jk-sci.com/products/s57ccad301217 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c4x-107688 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476605.png?v=1775060424 Tenofovir disoproxil Impurity 88 | 80-40-0 Tenofovir disoproxil Impurity 88|C4X-107688|80-40-0 https://www.jk-sci.com/products/s57c4x-1087155 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82213c43b814237a977efabe8f074657.jpg?v=1776406441 Tadalafil Impurity 155 | 691871-71-3 Tadalafil Impurity 155|C4X-1087155|691871-71-3 https://www.jk-sci.com/products/s57c4x-10981 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4ce5e08a335c5ecdfd26799bde049c8.jpg?v=1776407035 Ezetimibe Impurity 1 | 204589-58-2 Ezetimibe Impurity 1|C4X-10981|204589-58-2 https://www.jk-sci.com/products/s57c4x-11771 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501717.png?v=1775062792 Hydrochlorothiazide EP Impurity A | 58-94-6 Hydrochlorothiazide EP Impurity A|C4X-11771|58-94-6 https://www.jk-sci.com/products/s57ccad301223 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7afa3f832e6056cfc6a056e2a2b11878.jpg?v=1776419076 Levofloxacin-d8 | 1217716-71-6 Levofloxacin-d8|CCAD301223|1217716-71-6 https://www.jk-sci.com/products/s57c4x-13694 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0ea267252fd2c85c1b8c0ca858499ad.jpg?v=1776410892 Mianserin EP Impurity D | 157994-98-4 Mianserin EP Impurity D|C4X-13694|157994-98-4 https://www.jk-sci.com/products/s57c4x-142218 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462796.png?v=1775060651 Ursodeoxycholic Impurity 18 | 1192657-83-2 Ursodeoxycholic Impurity 18|C4X-142218|1192657-83-2 https://www.jk-sci.com/products/s57ccad301250 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8753c194619240a1f6d60ff2e222e084_19e65bde-eae9-4028-b34d-e3aa16cd55a5.jpg?v=1776419079 Uric Acid | 69-93-2 Uric Acid|CCAD301250|69-93-2 https://www.jk-sci.com/products/j5328913 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50cd3435027940844976ea21cddc32d4.jpg?v=1776358999 2-Methoxy-4-methylpyridine | 100848-70-2 2-Methoxy-4-methylpyridine|28913|100848-70-2 https://www.jk-sci.com/products/j5329080 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4899dadb5456178e41d55f30e798734c.jpg?v=1776359327 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic acid meth | 70415-50-8 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic acid meth|29080|70415-50-8 https://www.jk-sci.com/products/s57ccad301414 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57ccad301384 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246a8a2f119a05c8608dbc721e0f3cbc.jpg?v=1776419081 Haloperidol-d4 | 1189986-59-1 Haloperidol-d4|CCAD301384|1189986-59-1 https://www.jk-sci.com/products/s57ccad301398 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9424d45160188f22282b3ef9c3ce7a3.jpg?v=1776419084 Mycophenolic Acid-d3 | 1185242-90-3 Mycophenolic Acid-d3|CCAD301398|1185242-90-3 https://www.jk-sci.com/products/s57c1055009 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83986a3a0a3d159d653730521370ac22.jpg?v=1776401254 N-(2,6-dimethylphenyl)piperidine-4-carboxamide | 109403-19-2 N-(2,6-dimethylphenyl)piperidine-4-carboxamide|C1055009|109403-19-2 https://www.jk-sci.com/products/s57c1301159 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7b405849f254ee7672f8e255a394bb3.jpg?v=1776401674 (3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one | 14398-35-7 (3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one|C1301159|14398-35-7 https://www.jk-sci.com/products/s57c1445866 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d8c9851b260370908448e74b2ef73f7.jpg?v=1776401932 Clevidipine Impurity N1 | 193539-61-6 Clevidipine Impurity N1|C1445866|193539-61-6 https://www.jk-sci.com/products/s57c1497160 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e13c8cc3d089b026c17ecf70cbd65660_673fb624-0763-445a-814d-52f8a5eeb2a9.jpg?v=1776402030 2-[(2S)-oxiran-2-yl]ethan-1-ol | 95404-59-4 2-[(2S)-oxiran-2-yl]ethan-1-ol|C1497160|95404-59-4 https://www.jk-sci.com/products/j5329349 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400864e030b10d999c16caa22998c7a6.jpg?v=1776359782 3-Bromo-2,6-dimethoxybenzoic acid methyl ester | 65977-12-0 3-Bromo-2,6-dimethoxybenzoic acid methyl ester|29349|65977-12-0 https://www.jk-sci.com/products/j5329499 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00a0ed0a47e4fb5ffd4e28dbf4b5d61e.jpg?v=1776359943 Ethyl 2-(triphenylphosphoranylidene)propionate | 5717-37-3 Ethyl 2-(triphenylphosphoranylidene)propionate|29499|5717-37-3 https://www.jk-sci.com/products/j5329264 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecf80e6cb45b6cd405b7a316a7170695.jpg?v=1776359635 1,4,7-tri-Boc-1,4,7,10-tetraaza-cyclododecane | 175854-39-4 1,4,7-tri-Boc-1,4,7,10-tetraaza-cyclododecane|29264|175854-39-4 https://www.jk-sci.com/products/s57c1608630 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476867.png?v=1775062445 2’-Aminoacetanilide | 34801-09-7 2’-Aminoacetanilide|C1608630|34801-09-7 https://www.jk-sci.com/products/s57c1795795 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9cb8fb38-4eba-48ca-8a74-e68304503647.png?v=1775062471 Bupropion (R)-Isomer Tartrate Bupropion (R)-Isomer Tartrate|C1795795 https://www.jk-sci.com/products/s57ccad301434 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/405620.png?v=1774711650 Cholic-2,2,4,4-d4 Acid | 116380-66-6 Cholic-2,2,4,4-d4 Acid|CCAD301434|116380-66-6 https://www.jk-sci.com/products/s57ccad301442 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c1828306 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2372793d26cf9a852627208fe5472185.jpg?v=1776402876 Fenofibrate Impurity N6 | 72575-86-1 Fenofibrate Impurity N6|C1828306|72575-86-1 https://www.jk-sci.com/products/j5329615 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f50f9d766f2dcff9c01271fc0e65e8a8.jpg?v=1776360126 (S)-Boc-2-amino-4,4,4-trifluoro-butyric acid | 181128-25-6 (S)-Boc-2-amino-4,4,4-trifluoro-butyric acid|29615|181128-25-6 https://www.jk-sci.com/products/s57ccad301541 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b681e34b249387812c9e53c29ae0dce7.jpg?v=1776419099 DL-Normetanephrine-d3 hydrochloride | 1085333-97-6 DL-Normetanephrine-d3 hydrochloride|CCAD301541|1085333-97-6 https://www.jk-sci.com/products/s57c1870180 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b2298f40652a96562ad169bad19fb3.jpg?v=1776402996 N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide | 342417-04-3 N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide|C1870180|342417-04-3 https://www.jk-sci.com/products/j5329701 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef5bde11ff145837eb0ddba01fc1312.jpg?v=1776360380 (R)-Fmoc-3-amino-4,4,4-trifluoro-butyric acid | 1310680-34-2 (R)-Fmoc-3-amino-4,4,4-trifluoro-butyric acid|29701|1310680-34-2 https://www.jk-sci.com/products/j5329774 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502ae6a7e7f18b15275333888a362e16.jpg?v=1776360552 H-Arg-Gly-Asp-OH | 99896-85-2 H-Arg-Gly-Asp-OH|29774|99896-85-2 https://www.jk-sci.com/products/j5329671 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae59a8eeb2602de8ff284f5adbb52df8.jpg?v=1776360288 (S)-Fmoc-N-(1-phenylethyl)-glycine | 934752-38-2 (S)-Fmoc-N-(1-phenylethyl)-glycine|29671|934752-38-2 https://www.jk-sci.com/products/j5329819 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff2294e8e6d7ea436ee92b6deb7d38a8.jpg?v=1776360667 1-Hydroxybenzotriazole hydrate (< 5 ppm hydrazine) wetted with not less than 20 wt. % water | 123333-53-9 1-Hydroxybenzotriazole hydrate (< 5 ppm hydrazine) wetted with not less than 20 wt. % water|29819|123333-53-9 https://www.jk-sci.com/products/s57c1927224 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134598.png?v=1775062497 1-Bromo-3-methyl-2-butene | 870-63-3 1-Bromo-3-methyl-2-butene|C1927224|870-63-3 https://www.jk-sci.com/products/j5329864 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d5f2b700f5554a726ab8909bcf7fc31.jpg?v=1776360776 Naringin | 10236-47-2 Naringin|29864|10236-47-2 https://www.jk-sci.com/products/j5329926 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd663339238214f240dbf4691101ba75.jpg?v=1776360928 5-Chloro-2-(1H-pyrazol-5-yl)aniline | 15463-66-8 5-Chloro-2-(1H-pyrazol-5-yl)aniline|29926|15463-66-8 https://www.jk-sci.com/products/j5329902 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5daae7c026ca2cca787d7828a062e9f8.jpg?v=1776360859 S-Adenosyl-L-methionine disulfate tosylate | 97540-22-2 S-Adenosyl-L-methionine disulfate tosylate|29902|97540-22-2 https://www.jk-sci.com/products/s57c3d-3396 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316485_2f3ed92e-9bb2-4e7e-9f03-ffb6ce86ee85.png?v=1775062509 2-Methylbenzothiazole | 120-75-2 2-Methylbenzothiazole|C3D-3396|120-75-2 https://www.jk-sci.com/products/s57c3d-5874 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b6ce899b4f8b78c78b3c18181a6945.jpg?v=1776403942 5-Methyl-3-(2-oxopropyl)-1,3,4-oxadiazol-2(3H)-one | 136738-11-9 5-Methyl-3-(2-oxopropyl)-1,3,4-oxadiazol-2(3H)-one|C3D-5874|136738-11-9 https://www.jk-sci.com/products/j5329956 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/754d7bb10bfb150dd2fa8569b6a44748.jpg?v=1776361013 2,6-Dibromo-4-nitropyridine | 175422-04-5 2,6-Dibromo-4-nitropyridine|29956|175422-04-5 https://www.jk-sci.com/products/s57c4x-100116 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69fee8bc7c42d861ac98a199ecabe5ef.jpg?v=1776404057 Erythromycin EP Impurity I（Erythralosamine） | 546-57-6 Erythromycin EP Impurity I（Erythralosamine）|C4X-100116|546-57-6 https://www.jk-sci.com/products/j5329966 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85ef24b24fc96b51ed55d10391e448ae.jpg?v=1776361046 K-Oxyma | 158014-03-0 K-Oxyma|29966|158014-03-0 https://www.jk-sci.com/products/j5329971 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7585b76b810be83a568b5a1c094813a7.jpg?v=1776361062 5-Bromo-6-chloro-3-indolyl-1,3-diacetate | 108847-96-7 5-Bromo-6-chloro-3-indolyl-1,3-diacetate|29971|108847-96-7 https://www.jk-sci.com/products/j5330014 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40df3bc7f60ea0893d098018fb57ca01.jpg?v=1776361188 3-Fluorobenzaldehyde | 456-48-4 3-Fluorobenzaldehyde|30014|456-48-4 https://www.jk-sci.com/products/s57c4x-101914 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21038b4f8a334305d9722f167eebc407.jpg?v=1776404484 Fluconazole EP Impurity G Mesylate | 86386-77-8 Fluconazole EP Impurity G Mesylate|C4X-101914|86386-77-8 https://www.jk-sci.com/products/j5330079 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41e3392c21d1dbe0619dc23566d6a701.jpg?v=1776361315 Potassium bicarbonate | 298-14-6 Potassium bicarbonate|30079|298-14-6 https://www.jk-sci.com/products/j5330047 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce2c13321f6386c858c2a7597c4359e4.jpg?v=1784619559 2',3'-O-Isopropylideneguanosine | 362-76-5 2',3'-O-Isopropylideneguanosine|30047|362-76-5 https://www.jk-sci.com/products/j5330131 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c2330270c1d766ef5b7e1a512a3085a.jpg?v=1776361418 Ethylenediaminetetraacetic acid | 60-00-4 Ethylenediaminetetraacetic acid|30131|60-00-4 https://www.jk-sci.com/products/s57ccad301548 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/j5330151 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1207f4abd6f9b40d433aa561f04b759.jpg?v=1776361478 Calcium hydroxide | 1305-62-0 Calcium hydroxide|30151|1305-62-0 https://www.jk-sci.com/products/s57c4x-102057 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c21ca7bbcf8e5ca3480b0de71b33e2a.jpg?v=1776404582 Vonoprazan Impurity 57 | 2726830-13-1 Vonoprazan Impurity 57|C4X-102057|2726830-13-1 https://www.jk-sci.com/products/s57c4x-10383 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bb349ff2b5c158d73b19e05cb0a7f3c.jpg?v=1776404900 Prucalopride Impurity 3 | 1608459-56-8 Prucalopride Impurity 3|C4X-10383|1608459-56-8 https://www.jk-sci.com/products/j5330175 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a9560107658639dc38e06fda7b141fc.jpg?v=1776361548 9,10-Dihydro-9-ketoanthracene | 90-44-8 9,10-Dihydro-9-ketoanthracene|30175|90-44-8 https://www.jk-sci.com/products/s57c4x-10433 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351807.png?v=1775062579 Celecoxib Impurity 3(Celecoxib Carboxylic Acid) | 170571-01-4 Celecoxib Impurity 3(Celecoxib Carboxylic Acid)|C4X-10433|170571-01-4 https://www.jk-sci.com/products/j5330169 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87cd269e0f44c0a786d85d4573d990df.jpg?v=1776361532 Sodium phosphate dibasic heptahydrate | 7782-85-6 Sodium phosphate dibasic heptahydrate|30169|7782-85-6 https://www.jk-sci.com/products/s57c4x-106026 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cdd2e024-9dce-4b56-8538-7fa5a3af69c3.png?v=1775062592 Bromhexine Impurity 26【Discontinued】 Bromhexine Impurity 26【Discontinued】|C4X-106026 https://www.jk-sci.com/products/j5330171 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0986f335dd65ee5314fdb419801fe5b5.jpg?v=1776361539 Tetrabutylammonium bromide | 1643-19-2 Tetrabutylammonium bromide|30171|1643-19-2 https://www.jk-sci.com/products/s57c4x-106817 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dea85d08a300d181eee397becfb661a1.jpg?v=1776405735 Imatinib Impurity 17 | 106261-49-8 Imatinib Impurity 17|C4X-106817|106261-49-8 https://www.jk-sci.com/products/s57c4x-1079206 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47cd1a6a-8615-4671-a5b3-6c0058c920ba.png?v=1775062618 Tofacitinib Impurity 206 Tofacitinib Impurity 206|C4X-1079206 https://www.jk-sci.com/products/j5330179 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2caf5f9ccec1250e2360da6def337150.jpg?v=1776361558 Ammonium cerium(IV) nitrate | 16774-21-3 Ammonium cerium(IV) nitrate|30179|16774-21-3 https://www.jk-sci.com/products/j5330183 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3f35604f00648aa8cfedf6b28a40a4e_f2fb7431-4190-458f-afbe-9c3a3f09852f.jpg?v=1776361567 Zinc oxide | 1314-13-2 Zinc oxide|30183|1314-13-2 https://www.jk-sci.com/products/j5330193 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd59c31bffdfacf8589275df4d805222.jpg?v=1776361593 Nickel(II) sulfate hexahydrate | 10101-97-0 Nickel(II) sulfate hexahydrate|30193|10101-97-0 https://www.jk-sci.com/products/s57c4x-10812 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1f0f1cb5cea84421a0a8ea690a68146.jpg?v=1776406219 Diacerein EP Impurity D | 875535-35-6 Diacerein EP Impurity D|C4X-10812|875535-35-6 https://www.jk-sci.com/products/j5330205 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/503d0ef0909a3cbeda2c2ffee7bceb4a.jpg?v=1776361621 Sodium periodate | 7790-28-5 Sodium periodate|30205|7790-28-5 https://www.jk-sci.com/products/j5330209 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4e9ef17700dd87996535907e56af682.jpg?v=1776361631 Magnesium perchlorate, dessicant | 10034-81-8 Magnesium perchlorate, dessicant|30209|10034-81-8 https://www.jk-sci.com/products/s57c4x-1082122 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_de5103e9-50c4-49a3-85ea-7775bc7dd2ea.png?v=1775062638 Ibuprofen impurity 122 Ibuprofen impurity 122|C4X-1082122 https://www.jk-sci.com/products/j5330230 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41b4dec018267686a45268b1be9cb573.jpg?v=1776361686 Cadmium sulfate 8/3-hydrate | 7790-84-3 Cadmium sulfate 8/3-hydrate|30230|7790-84-3 https://www.jk-sci.com/products/j5330235 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ab8c20afe160cd7726f739c3912395e.jpg?v=1776361696 Lanthanum(III) nitrate hexahydrate | 10277-43-7 Lanthanum(III) nitrate hexahydrate|30235|10277-43-7 https://www.jk-sci.com/products/j5330265 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0ce934c62e0ce5e5812aafa96ed9986.jpg?v=1776361775 Cadmium iodide | 7790-80-9 Cadmium iodide|30265|7790-80-9 https://www.jk-sci.com/products/s57c4x-10845 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5c10be8ebf032ca2cfb2baff061d8ee.jpg?v=1776406371 Roflumilast Impurity 5 | 475271-62-6 Roflumilast Impurity 5|C4X-10845|475271-62-6 https://www.jk-sci.com/products/j5330283 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505d04122c81f7b1e83f84bada4aa8a5.jpg?v=1776361826 Nickel(II) chloride anhydrous | 7718-54-9 Nickel(II) chloride anhydrous|30283|7718-54-9 https://www.jk-sci.com/products/s57c4x-1085 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364981_447b04fc-f092-4b56-9db7-f108f81cf9c3.png?v=1775062652 Ambroxol hydrochloridum | 23828-92-4 Ambroxol hydrochloridum|C4X-1085|23828-92-4 https://www.jk-sci.com/products/j5330277 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e16cf2db32ba7db0384fa99e1bcf2da9.jpg?v=1776361807 Copper(II) nitrate trihydrate | 10031-43-3 Copper(II) nitrate trihydrate|30277|10031-43-3 https://www.jk-sci.com/products/s57c4x-10874 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d85c5de6-fadd-4328-9444-a86cef49f6f3.png?v=1775062658 Tadalafil EP Impurity D Tadalafil EP Impurity D|C4X-10874 https://www.jk-sci.com/products/j5330291 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaab1513f6a0e4b60a330dd86c436d41.jpg?v=1776361853 Strontium bromide anhydrous powder | 10476-81-0 Strontium bromide anhydrous powder|30291|10476-81-0 https://www.jk-sci.com/products/s57c4x-1090121 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a904434814f134069cb5de00befe77.jpg?v=1776406631 Rivaroxaban Impurity 121 | 1855920-51-2 Rivaroxaban Impurity 121|C4X-1090121|1855920-51-2 https://www.jk-sci.com/products/s57c4x-11668 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394177_1966f413-4670-46dd-98ed-713fc2251d95.png?v=1775069270 Sodium Valproate EP Impurity D | 52061-75-3 Sodium Valproate EP Impurity D|C4X-11668|52061-75-3 https://www.jk-sci.com/products/s57c4x-12154 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4c0664cd40efb22e91478d2e310d7a8.jpg?v=1776409348 4,5-Dihydro Cefradine Impurity | 37051-00-6 4,5-Dihydro Cefradine Impurity|C4X-12154|37051-00-6 https://www.jk-sci.com/products/j5330337 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18e4ceb93660682be7616704191f233f.jpg?v=1776361981 Trimethylhydroquinone | 700-13-0 Trimethylhydroquinone|30337|700-13-0 https://www.jk-sci.com/products/s57c1030550 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04c0e4c8c49d6b19fa80a05d82b5c447.jpg?v=1776401220 Abemaciclib Impurity N5 | 1038408-36-4 Abemaciclib Impurity N5|C1030550|1038408-36-4 https://www.jk-sci.com/products/j5330320 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29719dc4adea1d32849d672a82a5e393.jpg?v=1776361931 Fmoc-Tyr(tBu)-Ser[Psi(Me,Me)Pro]-OH | 878797-09-2 Fmoc-Tyr(tBu)-Ser[Psi(Me,Me)Pro]-OH|30320|878797-09-2 https://www.jk-sci.com/products/j5328787 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d63bdcd373b9159b6977fb891db4725.jpg?v=1776358697 6-Hydrazino-3-pyridinecarboxylic acid | 133081-24-0 6-Hydrazino-3-pyridinecarboxylic acid|28787|133081-24-0 https://www.jk-sci.com/products/j5330342 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e651eb559cb16791ff2d8b740983f1c.jpg?v=1776361997 2-Methylhydroquinone | 95-71-6 2-Methylhydroquinone|30342|95-71-6 https://www.jk-sci.com/products/j5330316 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ddb07e6422c5cac7adc02051f4998e8.jpg?v=1776361918 Fmoc-Phe-Ser[Psi(Me,Me)Pro]-OH | 878797-01-4 Fmoc-Phe-Ser[Psi(Me,Me)Pro]-OH|30316|878797-01-4 https://www.jk-sci.com/products/j5329160 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7818a46e6fcc4eb9646f3eaa84902b7b.jpg?v=1776359480 6-Chloro-3-iodo-2-methylpyridine | 249291-79-0 6-Chloro-3-iodo-2-methylpyridine|29160|249291-79-0 https://www.jk-sci.com/products/j5329665 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a494540ed237200cd2799434799d903b.jpg?v=1776360269 Fmoc-iminodipropionic acid | 377087-65-5 Fmoc-iminodipropionic acid|29665|377087-65-5 https://www.jk-sci.com/products/j5330309 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a27dbf57c926cefaee888b893541ce3.jpg?v=1776361895 Fmoc-Gly-Thr[Psi(Me,Me)Pro]-OH | 1262308-49-5 Fmoc-Gly-Thr[Psi(Me,Me)Pro]-OH|30309|1262308-49-5 https://www.jk-sci.com/products/j5329739 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85476eca70aec000e57eedf2c3733481.jpg?v=1776360479 Glycine 7-amido-4-methylcoumarin hydrochloride | 77471-42-2 Glycine 7-amido-4-methylcoumarin hydrochloride|29739|77471-42-2 https://www.jk-sci.com/products/s57c1108737 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ce73c247dfe44f01e80a82a3d2f5372.jpg?v=1776401382 Dabrafenib Impurity N7 | 1195768-23-0 Dabrafenib Impurity N7|C1108737|1195768-23-0 https://www.jk-sci.com/products/s57c1238917 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac38eace16a223f26165bedcbb688769.jpg?v=1776401586 Roflumilast Dimer | 1352122-37-2 Roflumilast Dimer|C1238917|1352122-37-2 https://www.jk-sci.com/products/s57c1312344 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459747.png?v=1775069056 Bis(trimethylsilyl)acetylene | 14630-40-1 Bis(trimethylsilyl)acetylene|C1312344|14630-40-1 https://www.jk-sci.com/products/s57c1662903 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f45d228852c5fbeeb79e66b38db8133.jpg?v=1776402379 3,5-Di-tert-butyl-4-hydroxybenzenesulfonic acid | 25679-39-4 3,5-Di-tert-butyl-4-hydroxybenzenesulfonic acid|C1662903|25679-39-4 https://www.jk-sci.com/products/j5329412 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31bae26ca2c9f6edc97086841566dfa4.jpg?v=1776359844 2-Bromo-6-nitrobenzoic acid | 38876-67-4 2-Bromo-6-nitrobenzoic acid|29412|38876-67-4 https://www.jk-sci.com/products/s57c1785505 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db5ad2c292d19a4950770dcca21d072.jpg?v=1776402567 8-Hydroxyquinoline-3-carboxylic acid | 911109-16-5 8-Hydroxyquinoline-3-carboxylic acid|C1785505|911109-16-5 https://www.jk-sci.com/products/j5329836 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c21ae8a825cbbb94c9607edd3084e88c.jpg?v=1776360703 2-Methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrobromide | 54329-54-3 2-Methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrobromide|29836|54329-54-3 https://www.jk-sci.com/products/s57c1827591 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_952eecd1-61fa-479a-ae3d-d9d7b4e45437.png?v=1775069072 Insulin Glulisine | 207748-29-6 Insulin Glulisine|C1827591|207748-29-6 https://www.jk-sci.com/products/s57c1881292 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/856303eb214adad5ac9ede415626eaf1.jpg?v=1776403033 Neratinib Impurity N1 | 848139-78-6 Neratinib Impurity N1|C1881292|848139-78-6 https://www.jk-sci.com/products/s57c1916116 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160263.png?v=1775069082 Norclomipramine hydrochloride | 303-48-0 Norclomipramine hydrochloride|C1916116|303-48-0 https://www.jk-sci.com/products/s57c1922177 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441430.png?v=1775069091 1-Bromo-1-propene (cis- and trans- mixture) | 590-14-7 1-Bromo-1-propene (cis- and trans- mixture)|C1922177|590-14-7 https://www.jk-sci.com/products/j5330324 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37156b98fbbc427cf22db47698fd7fdc.jpg?v=1776361944 Fmoc-Thr(tBu)-Thr[Psi(Me,Me)Pro]-OH | 1676104-73-6 Fmoc-Thr(tBu)-Thr[Psi(Me,Me)Pro]-OH|30324|1676104-73-6 https://www.jk-sci.com/products/j5329912 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc3f614265ef0324a46c8e794fcd13a6.jpg?v=1776360888 4-Bromo-3-methylbenzyl alcohol | 149104-89-2 4-Bromo-3-methylbenzyl alcohol|29912|149104-89-2 https://www.jk-sci.com/products/j5329962 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae0df4c830e8041616af08b301406db9.jpg?v=1776361032 Sodium hyodeoxycholate | 10421-49-5 Sodium hyodeoxycholate|29962|10421-49-5 https://www.jk-sci.com/products/j5329982 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1c0f5c51190d16311def8d52c389935.jpg?v=1776361088 Furoin | 552-86-3 Furoin|29982|552-86-3 https://www.jk-sci.com/products/j5330150 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e037d0de7603418fa90865ea1bd5df6.jpg?v=1776361475 Calcium chloride dihydrate | 10035-04-8 Calcium chloride dihydrate|30150|10035-04-8 https://www.jk-sci.com/products/s57c3d-25830 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321860.png?v=1775069096 N-Methyl-tert-butylamine | 14610-37-8 N-Methyl-tert-butylamine|C3D-25830|14610-37-8 https://www.jk-sci.com/products/j5330232 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90c57603786aa18ca124857fa9fc4c02.jpg?v=1776361689 Potassium bromate | 7758-01-2 Potassium bromate|30232|7758-01-2 https://www.jk-sci.com/products/j5330170 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf6b66078813479157dc93515c705325.jpg?v=1776361536 Sodium nitroprusside dihydrate | 13755-38-9 Sodium nitroprusside dihydrate|30170|13755-38-9 https://www.jk-sci.com/products/j5330063 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10963e10faa5325a3f226507f9de98e2.jpg?v=1776361285 1-Methyl-2-pyrrolidinone, distilled | 872-50-4 1-Methyl-2-pyrrolidinone, distilled|30063|872-50-4 https://www.jk-sci.com/products/s57c3d-25838 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602469_55861c0c-54f7-430b-ba2d-e4fa77db3d30.png?v=1775069101 1,4-Bis(trimethylsilyl)buta-1,3-diyne | 4526-07-2 1,4-Bis(trimethylsilyl)buta-1,3-diyne|C3D-25838|4526-07-2 https://www.jk-sci.com/products/s57c3d-25852 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4ea7b6b33e828a45254977227f441aa_f3e274b1-57b6-4aec-82e0-8b900dba828a.jpg?v=1776403385 2,2'-dithiobis[N-methylbenzamide] | 2527-58-4 2,2'-dithiobis[N-methylbenzamide]|C3D-25852|2527-58-4 https://www.jk-sci.com/products/j5330186 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1773e3bfdb05bf34402c08ec9d33c6db.jpg?v=1776361574 Cadmium chloride, anhydrous | 10108-64-2 Cadmium chloride, anhydrous|30186|10108-64-2 https://www.jk-sci.com/products/j5330178 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e491a252852bc87d23fefd352ffb348.jpg?v=1776361554 Sodium iodide | 7681-82-5 Sodium iodide|30178|7681-82-5 https://www.jk-sci.com/products/j5330206 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33c572c1c2eb6151207e707709439eab.jpg?v=1776361625 Potassium perchlorate | 7778-74-7 Potassium perchlorate|30206|7778-74-7 https://www.jk-sci.com/products/j5330272 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d2f291e963743c4b2767da20dbcede3.jpg?v=1776361791 Cobalt(II) chloride anhydrous | 7646-79-9 Cobalt(II) chloride anhydrous|30272|7646-79-9 https://www.jk-sci.com/products/s57c3d-26084 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619241.png?v=1775069116 3′-Sialyllactose | 35890-38-1 3′-Sialyllactose|C3D-26084|35890-38-1 https://www.jk-sci.com/products/s57c3d-2825 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536994_d6725319-4ef6-4375-ae0d-04498a4198d3.png?v=1775069126 Fmoc-Arg(Pbf)-OH | 154445-77-9 Fmoc-Arg(Pbf)-OH|C3D-2825|154445-77-9 https://www.jk-sci.com/products/s57c3d-3295 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358337_4ac2602e-e0a6-4947-a0e0-193d47cc8462.png?v=1775069131 L-Homoarginine | 156-86-5 L-Homoarginine|C3D-3295|156-86-5 https://www.jk-sci.com/products/s57c3d-3646 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333144_0114e33d-e232-425d-b35d-e441ab2534c5.png?v=1775069140 4-Cyanobenzyl Bromide | 17201-43-3 4-Cyanobenzyl Bromide|C3D-3646|17201-43-3 https://www.jk-sci.com/products/j5330339 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0822cd67f86307313400ec97b852e5e9.jpg?v=1776361988 (+)-Di-p-anisoyl-D-tartaric Acid | 191605-10-4 (+)-Di-p-anisoyl-D-tartaric Acid|30339|191605-10-4 https://www.jk-sci.com/products/j5330287 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84d851f5b7e6590721abd6ba264d9a9d.jpg?v=1776361840 Nickel(II) oxide | 1313-99-1 Nickel(II) oxide|30287|1313-99-1 https://www.jk-sci.com/products/j5330312 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75815daecd611f472eb5d05f12d2323e.jpg?v=1776361905 Fmoc-Leu-Ser[Psi(Me,Me)Pro]-OH | 339531-50-9 Fmoc-Leu-Ser[Psi(Me,Me)Pro]-OH|30312|339531-50-9 https://www.jk-sci.com/products/s57c3d-4332 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2afe980b930befbdf7ed879f946a039.jpg?v=1776403700 17alpha-Hydroxy Progesterone-d8 | 850023-80-2 17alpha-Hydroxy Progesterone-d8|C3D-4332|850023-80-2 https://www.jk-sci.com/products/s57c3d-5696 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c48106a63a76fedbdc37362172edf56_eaa675bb-8892-4805-a80d-4deab0d4474e.jpg?v=1776403898 Tripalmitin | 555-44-2 Tripalmitin|C3D-5696|555-44-2 https://www.jk-sci.com/products/j5330321 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2fc05d9ce3085ee60bcaea867192b81.jpg?v=1776361934 Fmoc-Val-Ser[Psi(Me,Me)Pro]-OH | 186023-49-4 Fmoc-Val-Ser[Psi(Me,Me)Pro]-OH|30321|186023-49-4 https://www.jk-sci.com/products/s57c3d-5938 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fbc23be5776ab08bd7a45ea03cae399.jpg?v=1776403963 N1,N3-dip-tolylbenzene-1,3-diamine | 620-49-5 N1,N3-dip-tolylbenzene-1,3-diamine|C3D-5938|620-49-5 https://www.jk-sci.com/products/j5330361 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3410326410bb6e25450e6a30f7bb43ce.jpg?v=1776362042 1-Bromo-2-fluorobenzene | 1072-85-1 1-Bromo-2-fluorobenzene|30361|1072-85-1 https://www.jk-sci.com/products/j5330355 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b243dca0bb18a69774816d02c0cd2ba.jpg?v=1776362025 4-Methoxyacetophenone | 100-06-1 4-Methoxyacetophenone|30355|100-06-1 https://www.jk-sci.com/products/s57c4x-103248 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ef593109-56a6-41b1-a322-306af3ae6943.png?v=1775069171 Mirabegron Impurity 48 Mirabegron Impurity 48|C4X-103248 https://www.jk-sci.com/products/j5330370 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f6db823b69a0af0dfa93a35d536ffa4.jpg?v=1776362071 Benzyldimethylhexadecylammonium chloride | 122-18-9 Benzyldimethylhexadecylammonium chloride|30370|122-18-9 https://www.jk-sci.com/products/s57c4x-10418 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248641.png?v=1775069176 Lorazepam Impurity 8 | 2848-96-6 Lorazepam Impurity 8|C4X-10418|2848-96-6 https://www.jk-sci.com/products/j5330390 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b76d56153c463ea3338281de0e5f9b4.jpg?v=1776362138 Alloxan monohydrate | 2244-11-3 Alloxan monohydrate|30390|2244-11-3 https://www.jk-sci.com/products/s57c4x-104920 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de16865f7317b25b671072d81ef76575.jpg?v=1776405066 Saxagliptin Impurity 20 | 1564266-79-0 Saxagliptin Impurity 20|C4X-104920|1564266-79-0 https://www.jk-sci.com/products/s57c4x-10514 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8e21a897fdb24f99cbee0fa007bc282.jpg?v=1776405108 Diclofenac EP Impurity F | 560075-65-2 Diclofenac EP Impurity F|C4X-10514|560075-65-2 https://www.jk-sci.com/products/s57c4x-106368 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522914.png?v=1775069195 Edoxaban Impurity 68 | 17899-48-8 Edoxaban Impurity 68|C4X-106368|17899-48-8 https://www.jk-sci.com/products/j5330404 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0d5fc4aac6070f94ee3ad4982917104.jpg?v=1776362177 Triptolide | 38748-32-2 Triptolide|30404|38748-32-2 https://www.jk-sci.com/products/s57c4x-226729 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a0f6fb9-3a03-4d66-9bc3-3f92d0b13726.png?v=1775063267 Emedastine Impurity 29 Emedastine Impurity 29|C4X-226729 https://www.jk-sci.com/products/j5330392 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c001fa81a8e232b4641b135533710cc5.jpg?v=1776362144 2-(4-Chlorophenoxy)-2-methylpropionic acid | 882-09-7 2-(4-Chlorophenoxy)-2-methylpropionic acid|30392|882-09-7 https://www.jk-sci.com/products/j5330412 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddef76ea19d7086732e10c9bb14ef05d.jpg?v=1776362204 4-Bromofluorobenzene | 460-00-4 4-Bromofluorobenzene|30412|460-00-4 https://www.jk-sci.com/products/j5330427 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f273cec8d28d00f2005d7aef22447d23.jpg?v=1776362236 4-(Bromomethyl)benzoic acid | 6232-88-8 4-(Bromomethyl)benzoic acid|30427|6232-88-8 https://www.jk-sci.com/products/j5330433 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d72b68b9500b305d5e1604663f78793.jpg?v=1776362253 1-Ethylimidazole | 7098-07-9 1-Ethylimidazole|30433|7098-07-9 https://www.jk-sci.com/products/s57c4x-1079118 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0bc27e934ec8cae56aba26f7d600ab3.jpg?v=1776406105 Tofacitinib Impurity 118 | 1615709-89-1 Tofacitinib Impurity 118|C4X-1079118|1615709-89-1 https://www.jk-sci.com/products/s57c4x-108290 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0547fc4f812bc39bd7da92f6556e9021.jpg?v=1776406279 L-Arginine, α-Methyl-4-(2-Methylpropyl)benzeneacetate | 57469-82-6 L-Arginine, α-Methyl-4-(2-Methylpropyl)benzeneacetate|C4X-108290|57469-82-6 https://www.jk-sci.com/products/s57c4x-25537 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252290_8c8315b7-08a6-4f5b-a1f5-3ff8a46a81a1.png?v=1774972057 (S)-(+)-3-Chloro-1,2-propanediol | 60827-45-4 (S)-(+)-3-Chloro-1,2-propanediol|C4X-25537|60827-45-4 https://www.jk-sci.com/products/j5330451 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4528a50d551a6350fd48431d73c76cb8.jpg?v=1776362309 4-tert-Butylbenzoic acid | 98-73-7 4-tert-Butylbenzoic acid|30451|98-73-7 https://www.jk-sci.com/products/j5330462 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b854baf3f99c8ed753f2e01de2f2e984.jpg?v=1776362346 Ne-Azido-D-Lysine hydrochloride | 1418009-93-4 Ne-Azido-D-Lysine hydrochloride|30462|1418009-93-4 https://www.jk-sci.com/products/j5330458 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b10a6cf3e98b74cdac796b4769bb835e.jpg?v=1776362333 Nd-Azido-L-Ornithine hydrochloride | 156463-09-1 Nd-Azido-L-Ornithine hydrochloride|30458|156463-09-1 https://www.jk-sci.com/products/s57c4x-13006 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499328_d5a9c7a7-b851-468d-8f12-2e6d6f0f2d23.png?v=1775069324 Tacrolimus EP Impurity A | 104987-12-4 Tacrolimus EP Impurity A|C4X-13006|104987-12-4 https://www.jk-sci.com/products/s57c4x-131253 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813712.png?v=1775069329 Pregabalin Impurity 53 | 61312-87-6 Pregabalin Impurity 53|C4X-131253|61312-87-6 https://www.jk-sci.com/products/s57c4x-138611 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257157.png?v=1775069349 Raltitrexed | 112887-68-0 Raltitrexed|C4X-138611|112887-68-0 https://www.jk-sci.com/products/s57c4x-13945 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570747.png?v=1775069354 Bifonazole EP Impurity C(Clotrimazole EP Impurity D) | 288-32-4 Bifonazole EP Impurity C(Clotrimazole EP Impurity D)|C4X-13945|288-32-4 https://www.jk-sci.com/products/s57c4x-139518 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619f48915ff14eef00c3ce4222ce5427.jpg?v=1776411213 D-Folic Acid | 65165-91-5 D-Folic Acid|C4X-139518|65165-91-5 https://www.jk-sci.com/products/j5330467 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453b5b40cdf02eab85c503779c3a1257.jpg?v=1776362363 Na-Boc-Ne-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-lysine dicyclohexylammonium salt | 444795-66-8 Na-Boc-Ne-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-lysine dicyclohexylammonium salt|30467|444795-66-8 https://www.jk-sci.com/products/j5330481 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d03c2ff7dea8532a84979215f0afe83a.jpg?v=1776362408 Na-Boc-Ng-Azido-D-2,4-diaminobutyric acid cyclohexylammonium salt | 1609202-75-6 Na-Boc-Ng-Azido-D-2,4-diaminobutyric acid cyclohexylammonium salt|30481|1609202-75-6 https://www.jk-sci.com/products/j5330472 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bb6ef0f64cf1849992d75651f72c73c.jpg?v=1776362381 Na-Boc-Nd-Azido-L-Ornithine cyclohexylammonium salt | 763139-35-1 Na-Boc-Nd-Azido-L-Ornithine cyclohexylammonium salt|30472|763139-35-1 https://www.jk-sci.com/products/j5330484 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0185be9047079c37d1ac8acd71f9822f.jpg?v=1776362417 Ng-Acetyl-L-2,4-diaminobutyric acid | 1190-46-1 Ng-Acetyl-L-2,4-diaminobutyric acid|30484|1190-46-1 https://www.jk-sci.com/products/j5330494 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2db301a6ecb6c9b209d30c18b872e80.jpg?v=1776362453 Dde-8-amino-3,6-dioxaoctanoic acid | 1263045-93-7 Dde-8-amino-3,6-dioxaoctanoic acid|30494|1263045-93-7 https://www.jk-sci.com/products/j5330490 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef538309915dff5cf24d417dab2e53ff.jpg?v=1776362439 Na-Fmoc-Ng-Palmitoyl-L-2,4-diaminobutyric acid | 1858224-29-9 Na-Fmoc-Ng-Palmitoyl-L-2,4-diaminobutyric acid|30490|1858224-29-9 https://www.jk-sci.com/products/j5330510 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98459dc2b3a6fef06185e2d8a6683e5c.jpg?v=1776362504 {2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy}acetic acid | 173323-23-4 {2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy}acetic acid|30510|173323-23-4 https://www.jk-sci.com/products/j5330524 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6bd8e47902d06dd8298ca8b03366700.jpg?v=1776362552 Na-Fmoc-D-lysine allyl ester hydrochloride | 1272754-92-3 Na-Fmoc-D-lysine allyl ester hydrochloride|30524|1272754-92-3 https://www.jk-sci.com/products/j5330514 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b499fd81504201a5f08a2cb55fc8ea5.jpg?v=1776362520 Na-Azido-Nb-Fmoc-L-2,3-diaminopropionic acid | 880637-82-1 Na-Azido-Nb-Fmoc-L-2,3-diaminopropionic acid|30514|880637-82-1 https://www.jk-sci.com/products/s57c4x-165015 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615009_b7378610-b844-4aee-8ea3-45af31fcecc4.png?v=1775069441 Fluticasone Propionate EP Impurity A | 65429-42-7 Fluticasone Propionate EP Impurity A|C4X-165015|65429-42-7 https://www.jk-sci.com/products/j5330498 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b0953f27ec8bdfad2fed01cc76eae24.jpg?v=1776362465 1-Amino-11-azido-3,6,9-trioxaundecane | 1162336-72-2 1-Amino-11-azido-3,6,9-trioxaundecane|30498|1162336-72-2 https://www.jk-sci.com/products/j5330530 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45fd3467a55c6d5d628cb2e2f6adeb26.jpg?v=1776362574 Na-Fmoc-Ng-Azido-D-2,4-diaminobutyric acid | 1263047-53-5 Na-Fmoc-Ng-Azido-D-2,4-diaminobutyric acid|30530|1263047-53-5 https://www.jk-sci.com/products/j5328182 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9c46c6510792f91f1a8ff5b766739bb.jpg?v=1776357387 3-Iodobenzylamine | 696-40-2 3-Iodobenzylamine|28182|696-40-2 https://www.jk-sci.com/products/j5329686 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5acd32233f931a46c420a9ae0c0539b.jpg?v=1776360333 Racemic Fmoc-trans-3-phenyl-pyrrolidine-2-carboxylic acid | 1579983-87-1 Racemic Fmoc-trans-3-phenyl-pyrrolidine-2-carboxylic acid|29686|1579983-87-1 https://www.jk-sci.com/products/j5329323 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0481b8014daf993c3ced8e03e140fd0d.jpg?v=1776359730 (R)-Fmoc-2-amino-3-(3-tert-butoxycarbonyl-propylsulfanyl)propionic acid | 102971-73-3 (R)-Fmoc-2-amino-3-(3-tert-butoxycarbonyl-propylsulfanyl)propionic acid|29323|102971-73-3 https://www.jk-sci.com/products/s57c1133889 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129123.png?v=1775070012 3′-nitroacetanilide | 122-28-1 3′-nitroacetanilide|C1133889|122-28-1 https://www.jk-sci.com/products/s57c1425092 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235083.png?v=1775070018 1-(4-Hydroxy-3-methoxyphenyl)propan-1-one | 1835-14-9 1-(4-Hydroxy-3-methoxyphenyl)propan-1-one|C1425092|1835-14-9 https://www.jk-sci.com/products/s57c1718384 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97afe485925f7e1bacf6b97d9655957c.jpg?v=1776402483 4-Chloro-2-ethoxypyrimidine | 92520-02-0 4-Chloro-2-ethoxypyrimidine|C1718384|92520-02-0 https://www.jk-sci.com/products/j5329885 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619cec11f2f6949301c54020ce9eee13.jpg?v=1776360822 Dextran powder, Mw ~ 6000 | 9004-54-0 Dextran powder, Mw ~ 6000|29885|9004-54-0 https://www.jk-sci.com/products/j5329969 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ee4ed517ed1626318ad56e246a89b3f.jpg?v=1776361056 1-Aminopyrene | 1606-67-3 1-Aminopyrene|29969|1606-67-3 https://www.jk-sci.com/products/s57c1823822 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38161fea530914bb88e281a3b74f8640.jpg?v=1776402819 2,4-Dichloro-5-fluoropyrimidine | 2927-71-1 2,4-Dichloro-5-fluoropyrimidine|C1823822|2927-71-1 https://www.jk-sci.com/products/j5330091 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6bbc590cca3caa6440fa95b83797c7a.jpg?v=1776361345 Neutral red | 553-24-2 Neutral red|30091|553-24-2 https://www.jk-sci.com/products/ts246cs-0096443 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d3cc0224abc3384c8e431cc74ce1317.jpg?v=1776467879 5-Bromo-3,7-dimethyl-1H-indazole | 1031417-71-6 5-Bromo-3,7-dimethyl-1H-indazole|CS-0096443|1031417-71-6 https://www.jk-sci.com/products/j5330200 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd09b4dcfe527becded85cf1853231af.jpg?v=1776361606 Potassium chlorate | 3811-04-9 Potassium chlorate|30200|3811-04-9 https://www.jk-sci.com/products/j5330255 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96afb78458e55200cd4cb2eba43ebf00.jpg?v=1776361749 Lithium nitrate anhydrous | 7790-69-4 Lithium nitrate anhydrous|30255|7790-69-4 https://www.jk-sci.com/products/j5330300 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08fa6c9b6503b2e779cd5a217c2677b4.jpg?v=1776361872 Strontium carbonate | 1633-05-2 Strontium carbonate|30300|1633-05-2 https://www.jk-sci.com/products/j5330356 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95c4f1465547dc831bc3e45f7f00e9a8.jpg?v=1776362029 4-Methoxybenzoic acid | 100-09-4 4-Methoxybenzoic acid|30356|100-09-4 https://www.jk-sci.com/products/s57c1823925 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347507_f1128423-75b0-44d4-8166-483dfcb1cc37.png?v=1775070037 Fluorouracil Impurity N1 | 5329-33-9 Fluorouracil Impurity N1|C1823925|5329-33-9 https://www.jk-sci.com/products/j5330330 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a763212b544dd1a70aa1b4e41776a08.jpg?v=1776361962 3-Amino-2-methoxypyridine | 20265-38-7 3-Amino-2-methoxypyridine|30330|20265-38-7 https://www.jk-sci.com/products/j5330377 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21752ca0b2f148a0c930980a7a2aa50c.jpg?v=1776362095 Trimethylphenylammonium chloride | 138-24-9 Trimethylphenylammonium chloride|30377|138-24-9 https://www.jk-sci.com/products/j5330393 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8be93961451694dd3fac0c29200f4e4d.jpg?v=1776362147 Trimethyl orthopropionate | 24823-81-2 Trimethyl orthopropionate|30393|24823-81-2 https://www.jk-sci.com/products/s57c4x-26233 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109099_5566ce7a-38c6-4fe2-92ac-bfd6e5afc226.png?v=1774664996 Procaine Impurity 3 | 619-19-2 Procaine Impurity 3|C4X-26233|619-19-2 https://www.jk-sci.com/products/s57c1889191 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebc0029e3c50ab197ae783fa817744f4.jpg?v=1776403092 Pitolisant Hydrochloride | 903576-44-3 Pitolisant Hydrochloride|C1889191|903576-44-3 https://www.jk-sci.com/products/j5330413 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a32dfbe30f702ee3e09c975413df6328.jpg?v=1776362207 Benzyltriethylammonium bromide | 5197-95-5 Benzyltriethylammonium bromide|30413|5197-95-5 https://www.jk-sci.com/products/s57c1924351 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258475.png?v=1775070048 Ethyl 4-aminobutanoate hydrochloride | 6937-16-2 Ethyl 4-aminobutanoate hydrochloride|C1924351|6937-16-2 https://www.jk-sci.com/products/j5330440 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b741f2ac700bbfa767966df4a8381886.jpg?v=1776362273 4-Hydroxyphenylacetone | 770-39-8 4-Hydroxyphenylacetone|30440|770-39-8 https://www.jk-sci.com/products/j5330459 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66b8b9c6b68fdbc2c349a8f453fe04d1.jpg?v=1776362336 Nb-Azido-L-2,3-diaminopropionic acid hydrochloride | 105661-40-3 Nb-Azido-L-2,3-diaminopropionic acid hydrochloride|30459|105661-40-3 https://www.jk-sci.com/products/s57c3d-1999 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406841.png?v=1775070054 2-Bromothiophene | 1003-09-4 2-Bromothiophene|C3D-1999|1003-09-4 https://www.jk-sci.com/products/j5330471 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93510b62cd1f9ad5144a2508c50245db.jpg?v=1776362378 Na-Boc-Ne-Azido-L-Lysine cyclohexylammonium salt | 846549-33-5 Na-Boc-Ne-Azido-L-Lysine cyclohexylammonium salt|30471|846549-33-5 https://www.jk-sci.com/products/s57c3d-2149 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318353.png?v=1775070058 4-Methyl-1-piperazinecarbonyl chloride hydrochloride | 55112-42-0 4-Methyl-1-piperazinecarbonyl chloride hydrochloride|C3D-2149|55112-42-0 https://www.jk-sci.com/products/s57c3d-2448 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375940.png?v=1775070065 4-Chloroanisole | 623-12-1 4-Chloroanisole|C3D-2448|623-12-1 https://www.jk-sci.com/products/j5330492 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b924d1445efa6f43014f7fd8cd13e31.jpg?v=1776362446 Na-Fmoc-Nb-trimethylsilylethoxycarbonyl-L-diaminopropionic acid | 1248587-10-1 Na-Fmoc-Nb-trimethylsilylethoxycarbonyl-L-diaminopropionic acid|30492|1248587-10-1 https://www.jk-sci.com/products/j5330483 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ba31d8f7695276034abc04f1595612c.jpg?v=1776362414 Na-Boc-Nb-azido-D-2,3-diaminopropionic acid cyclohexylammonium salt | 225780-77-8 Na-Boc-Nb-azido-D-2,3-diaminopropionic acid cyclohexylammonium salt|30483|225780-77-8 https://www.jk-sci.com/products/j5330503 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21232ae9dbbab6acf6ae8a8071b0e29d.jpg?v=1776362478 Biotinyl-8-amino-3,6-dioxaoctanoic acid | 1238575-77-3 Biotinyl-8-amino-3,6-dioxaoctanoic acid|30503|1238575-77-3 https://www.jk-sci.com/products/s57c3d-26042 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268790.png?v=1775069111 Tetrazole | 288-94-8 Tetrazole|C3D-26042|288-94-8 https://www.jk-sci.com/products/j5330520 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b18ced6ab3ab11255a89c4b612205552.jpg?v=1776362540 Biotin-diaminopentane trifluoroacetic acid salt | 115416-38-1 Biotin-diaminopentane trifluoroacetic acid salt|30520|115416-38-1 https://www.jk-sci.com/products/s57c3d-262569 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46eabc1f3168f76c05a66f6611b2188d.jpg?v=1776403526 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 287944-16-5 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|C3D-262569|287944-16-5 https://www.jk-sci.com/products/j5330537 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77073cf4c3cc3a2b3d2a00a764a7df24.jpg?v=1776362598 (2S,3S)-(Fmoc-amino)-3-allyloxycarbonylaminobutyric acid | 1272754-91-2 (2S,3S)-(Fmoc-amino)-3-allyloxycarbonylaminobutyric acid|30537|1272754-91-2 https://www.jk-sci.com/products/j5330551 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55870d1e0ca6da1fb6f71a968d25512b.jpg?v=1776362642 Na-Z-Ne-Azido-L-Lysine cyclohexylammonium salt | 901300-81-0 Na-Z-Ne-Azido-L-Lysine cyclohexylammonium salt|30551|901300-81-0 https://www.jk-sci.com/products/s57c3d-3157 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556817_5fef2666-006f-4c30-a67f-791583678116.png?v=1775070087 Isoacteoside | 61303-13-7 Isoacteoside|C3D-3157|61303-13-7 https://www.jk-sci.com/products/j5330565 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123fc7e9b90d6133bec3cfc7d1044e0b.jpg?v=1776362673 Bismuth (III) oxy chloride | 7787-59-9 Bismuth (III) oxy chloride|30565|7787-59-9 https://www.jk-sci.com/products/j5330567 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b45e0d50b6498455a953c7b71d92985.jpg?v=1776362680 Bismuth (III) perchlorate oxide hydrate | 66172-93-8 Bismuth (III) perchlorate oxide hydrate|30567|66172-93-8 https://www.jk-sci.com/products/j5330572 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200fd675f8015e79dbbf2e7c09cf909d.jpg?v=1776362696 Cadmium acetate dihydrate | 5743-04-4 Cadmium acetate dihydrate|30572|5743-04-4 https://www.jk-sci.com/products/j5330590 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a7745771556bea7addf1f7e1a0fca2e.jpg?v=1776362746 Copper(II) chloride anhydrous | 7447-39-4 Copper(II) chloride anhydrous|30590|7447-39-4 https://www.jk-sci.com/products/s57c3d-3267 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439678.png?v=1775070093 Sucrose Octasulfate Potassium Salt | 73264-44-5 Sucrose Octasulfate Potassium Salt|C3D-3267|73264-44-5 https://www.jk-sci.com/products/s57c3d-5000 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303179_13282fcf-bf59-44a4-92ee-0c07d72a251b.png?v=1775069150 Trimethylphosphate | 512-56-1 Trimethylphosphate|C3D-5000|512-56-1 https://www.jk-sci.com/products/j5330610 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7ac4e5fd34a6d5050df12466e7b1e20.jpg?v=1776362794 Manganese (II) fluoride | 7782-64-1 Manganese (II) fluoride|30610|7782-64-1 https://www.jk-sci.com/products/s57c3d-5612 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e9df5c7075303c6c991911a1e63e377.jpg?v=1776403867 N-cyclopentylcyclohexanamine | 40649-25-0 N-cyclopentylcyclohexanamine|C3D-5612|40649-25-0 https://www.jk-sci.com/products/s57c4x-101728 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8cd3b8b7-dd05-456b-bcca-2366b304e093.png?v=1775070115 Vardenafil Impurity 28 Vardenafil Impurity 28|C4X-101728 https://www.jk-sci.com/products/s57c4x-10204 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5261da4099ced8e1d0f34416e40804.jpg?v=1776404562 Vonoprazan Impurity 4 | 1807642-39-2 Vonoprazan Impurity 4|C4X-10204|1807642-39-2 https://www.jk-sci.com/products/s57c4x-102043 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c89c6e69b6b5877584b81689791f4a62.jpg?v=1776404565 Vonoprazan Impurity 43 | 2169271-28-5 Vonoprazan Impurity 43|C4X-102043|2169271-28-5 https://www.jk-sci.com/products/j5330618 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5902cb80b59c283da22490a2a4b20e83.jpg?v=1776362807 Nickel (II) carbonate | 3333-67-3 Nickel (II) carbonate|30618|3333-67-3 https://www.jk-sci.com/products/j5330640 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd1cebf1ccd5a8a2809abab81d15b2b.jpg?v=1776362840 Strontium bromide hexahydrate | 7789-53-9 Strontium bromide hexahydrate|30640|7789-53-9 https://www.jk-sci.com/products/j5330656 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d837cf2892382a119b4433db0c8c1123.jpg?v=1776362885 Ammonium nickel sulfate hexahydrate | 7785-20-8 Ammonium nickel sulfate hexahydrate|30656|7785-20-8 https://www.jk-sci.com/products/j5330651 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b41a7ee22bf339c57ce87d4472bcb121.jpg?v=1776362870 Zinc fluoride anhydrous | 7783-49-5 Zinc fluoride anhydrous|30651|7783-49-5 https://www.jk-sci.com/products/j5330659 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de31ac8d36f71466df1fd61833101f56.jpg?v=1776362892 Bismuth (III) oxide | 1304-76-3 Bismuth (III) oxide|30659|1304-76-3 https://www.jk-sci.com/products/s57c4x-105822 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407698_0745579a-4c18-40e8-b513-781fa3502790.png?v=1775070129 1-Adamantanamine Hydrochloride | 665-66-7 1-Adamantanamine Hydrochloride|C4X-105822|665-66-7 https://www.jk-sci.com/products/s57c4x-105980 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb5a8c30-065a-483d-bb66-e0dd49acce2b.png?v=1775070137 N-Nitroso Cinacalcet Impurity 9 N-Nitroso Cinacalcet Impurity 9|C4X-105980 https://www.jk-sci.com/products/s57c4x-106015 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf7735e32a0d557db29e2638494d2fc.jpg?v=1776405437 Bromhexine Impurity 15 | 2724689-57-8 Bromhexine Impurity 15|C4X-106015|2724689-57-8 https://www.jk-sci.com/products/s57c4x-108423 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57aa46cba1224c9f008b609db263339a.jpg?v=1776406352 Roflumilast impurity 23 | 1369817-76-4 Roflumilast impurity 23|C4X-108423|1369817-76-4 https://www.jk-sci.com/products/s57c4x-10851 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153207.png?v=1775070157 Ambroxol EP Impurity A(Bromhexine EP Impurity A) | 50739-76-9 Ambroxol EP Impurity A(Bromhexine EP Impurity A)|C4X-10851|50739-76-9 https://www.jk-sci.com/products/j5330663 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da3e0e47cc3cc4b44c1574d6cf18399_3fdaee64-9421-4cbf-b3c7-bf3f51611796.jpg?v=1776362905 Calcium fluoride | 7789-75-5 Calcium fluoride|30663|7789-75-5 https://www.jk-sci.com/products/j5330682 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5c3ba787324d9577e6580503cafb6fe.jpg?v=1776362953 Zinc iodide anhydrous | 10139-47-6 Zinc iodide anhydrous|30682|10139-47-6 https://www.jk-sci.com/products/s57c4x-108737 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120888.png?v=1775070166 Tadalafil Impurity 37 | 171489-59-1 Tadalafil Impurity 37|C4X-108737|171489-59-1 https://www.jk-sci.com/products/s57c4x-109721 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4109217f9f150e1277ae373947f66008.jpg?v=1776407005 Olmesartan Impurity 21 | 172875-98-8 Olmesartan Impurity 21|C4X-109721|172875-98-8 https://www.jk-sci.com/products/ts246cs-0096454 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d04dbdc88810c0a2d52054c89d7a66d.jpg?v=1776467899 6-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one | 1581754-84-8 6-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one|CS-0096454|1581754-84-8 https://www.jk-sci.com/products/s57c4x-112315 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/872ec0a13a0e98ea8c1cdd152c5fee5a.jpg?v=1776407630 Canagliflozin Impurity 15 | 1830346-16-1 Canagliflozin Impurity 15|C4X-112315|1830346-16-1 https://www.jk-sci.com/products/j5330698 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd9a92d898bc3ed15b70c682b9e8d61c.jpg?v=1776362987 Moxifloxacin hydrochloride | 186826-86-8 Moxifloxacin hydrochloride|30698|186826-86-8 https://www.jk-sci.com/products/s57c4x-112836 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295215_fd0edc4a-03e1-4972-ba55-95a2cea8b5ef.png?v=1775070198 Sildenafil Impurity 36 | 139756-00-6 Sildenafil Impurity 36|C4X-112836|139756-00-6 https://www.jk-sci.com/products/s57c4x-112936 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eae1db3e-dae5-42d9-abfe-7d307c5c94ac.png?v=1775070202 Arbidol Impurity 36 Arbidol Impurity 36|C4X-112936 https://www.jk-sci.com/products/s57c4x-124448 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61ad995a93ba12733e00e4c418a54479.jpg?v=1776409712 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8 | 1189866-35-0 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8|C4X-124448|1189866-35-0 https://www.jk-sci.com/products/j5330708 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8be19d51374ca36fd152bbcc1173640b.jpg?v=1776363020 Ng-Z-L-2,4-diaminobutyric acid | 2130-77-0 Ng-Z-L-2,4-diaminobutyric acid|30708|2130-77-0 https://www.jk-sci.com/products/j5330701 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e97edde0ca1c8d6b0d4de276ea62e2f.jpg?v=1776362997 (1S,2S)-(-)-1,2-Diphenylethylenediamine | 29841-69-8 (1S,2S)-(-)-1,2-Diphenylethylenediamine|30701|29841-69-8 https://www.jk-sci.com/products/j5330710 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d93b8dc671c79a3c439f24e11005052a.jpg?v=1776363027 2-Bromo-3-thiophenecarboxylic acid | 24287-95-4 2-Bromo-3-thiophenecarboxylic acid|30710|24287-95-4 https://www.jk-sci.com/products/s57c4x-124827 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1264873-7b7f-42aa-a068-fae2e8fb601c.png?v=1775070276 Valaciclovir EP Impurity J(hydrochloride) Valaciclovir EP Impurity J(hydrochloride)|C4X-124827 https://www.jk-sci.com/products/j5330712 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ff90a217e1f5442fa33efe81d78a30a.jpg?v=1776363034 2,4,6-Trichloro-5-nitropyrimidine | 4359-87-9 2,4,6-Trichloro-5-nitropyrimidine|30712|4359-87-9 https://www.jk-sci.com/products/s57c4x-126743 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_baecd270-ba91-4945-abb4-0e6add57d62a.png?v=1775070293 Ixazomib Impurity 43 Ixazomib Impurity 43|C4X-126743 https://www.jk-sci.com/products/j5330726 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460117e602a8b4fc677656519fb6e480.jpg?v=1776363076 6-Bromo-4-chromanone | 49660-57-3 6-Bromo-4-chromanone|30726|49660-57-3 https://www.jk-sci.com/products/j5330717 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ce25b2f1f45acf84d1674edec54fb7a.jpg?v=1776363051 (1S,2S)-(+)-N-p-Tosyl-1,2-diphenylethylenediamine | 167316-27-0 (1S,2S)-(+)-N-p-Tosyl-1,2-diphenylethylenediamine|30717|167316-27-0 https://www.jk-sci.com/products/j5330738 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d5624448862f5daee7c660bfe201b99.jpg?v=1776363109 Caprylic acid | 124-07-2 Caprylic acid|30738|124-07-2 https://www.jk-sci.com/products/j5329024 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41cde077b2a048bede7914d33ca1f8a1.jpg?v=1776359206 (3-Hydroxyphenyl)acetic acid ethyl ester | 22446-38-4 (3-Hydroxyphenyl)acetic acid ethyl ester|29024|22446-38-4 https://www.jk-sci.com/products/j5329794 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45f5aaae92bf432f40fe6622080f2df6.jpg?v=1776360606 b-Alanine 7-amido-4-methylcoumarin hydrochloride | 201847-54-3 b-Alanine 7-amido-4-methylcoumarin hydrochloride|29794|201847-54-3 https://www.jk-sci.com/products/s57c4x-129828 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_265f5e49-df02-44b4-b4fa-4c498b3d74a6.png?v=1775070301 Dobutamine Impurity 28 (Mixture of Diastereomers) Dobutamine Impurity 28 (Mixture of Diastereomers)|C4X-129828 https://www.jk-sci.com/products/j5330029 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a64beae2928e035ac541a338475ec20.jpg?v=1776361218 Methyl 2-iodobenzoate | 610-97-9 Methyl 2-iodobenzoate|30029|610-97-9 https://www.jk-sci.com/products/s57c1068201 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c359ae610f49e3c32c6dc276ba0a526c.jpg?v=1776401303 2-(Aminomethyl)-4-nitrophenol Hydrochloride | 113186-97-3 2-(Aminomethyl)-4-nitrophenol Hydrochloride|C1068201|113186-97-3 https://www.jk-sci.com/products/s57c4x-274916 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8618d314665622ffd21c2dba4391a43a.jpg?v=1776418420 Apalutamide Impurity 16 | 1950587-20-8 Apalutamide Impurity 16|C4X-274916|1950587-20-8 https://www.jk-sci.com/products/s57c1208190 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38b541eb0046aa732cd1a4f14c0c5959.jpg?v=1776401518 Diclofenac Impurity N1 | 131023-43-3 Diclofenac Impurity N1|C1208190|131023-43-3 https://www.jk-sci.com/products/s57c1309331 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127487.png?v=1775071282 3-Bromopyrazole | 14521-80-3 3-Bromopyrazole|C1309331|14521-80-3 https://www.jk-sci.com/products/s57c1310898 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/836251143f98a2a905a4d5b40cbeeb78.jpg?v=1776401699 Mastoparan 17 | 145854-61-1 Mastoparan 17|C1310898|145854-61-1 https://www.jk-sci.com/products/s57c1344201 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd9f9aff8d7161c87420fe10980dffe8.jpg?v=1776401774 1-(2,4-Dichloro-3-methylphenyl)ethanone | 157652-32-9 1-(2,4-Dichloro-3-methylphenyl)ethanone|C1344201|157652-32-9 https://www.jk-sci.com/products/j5330182 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ae5eaa2fc27fd1cdc9720c82f5f21a7.jpg?v=1776361564 Lead(II) oxide | 1317-36-8 Lead(II) oxide|30182|1317-36-8 https://www.jk-sci.com/products/j5330282 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c80277629bb7e7756c817591832b0986.jpg?v=1776361823 Nickel(II) bromide anhydrous | 13462-88-9 Nickel(II) bromide anhydrous|30282|13462-88-9 https://www.jk-sci.com/products/s57c1595015 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39840f64efc499f0c5362ae87fb7e4bb.jpg?v=1776402221 Bis(2-aminophenyl) Sulfide | 5873-51-8 Bis(2-aminophenyl) Sulfide|C1595015|5873-51-8 https://www.jk-sci.com/products/s57c1713260 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108be8d75730d64008dea836d80ce731.jpg?v=1776402468 4-Aminopiperidine-4-carboxylic Acid | 40951-39-1 4-Aminopiperidine-4-carboxylic Acid|C1713260|40951-39-1 https://www.jk-sci.com/products/s57c1716970 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556695.png?v=1775071312 4-Bromo-N-phenylaniline | 54446-36-5 4-Bromo-N-phenylaniline|C1716970|54446-36-5 https://www.jk-sci.com/products/s57c1817683 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250012.png?v=1775071322 Ethyl 4-[(aminocarbonothioyl)amino]benzoate | 23051-16-3 Ethyl 4-[(aminocarbonothioyl)amino]benzoate|C1817683|23051-16-3 https://www.jk-sci.com/products/s57c1872752 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68ddfb747b7785f4374c598f25f75861.jpg?v=1776403010 Triacetic Acid impurity 01 | 6943-40-4 Triacetic Acid impurity 01|C1872752|6943-40-4 https://www.jk-sci.com/products/j5330351 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70188fac69ebc052a7313c1747def105.jpg?v=1776362019 Di Benzyl-D-Tartarate | 4136-22-5 Di Benzyl-D-Tartarate|30351|4136-22-5 https://www.jk-sci.com/products/s57c1885879 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9c6735d3a85f7d835570fd23b5ae24.jpg?v=1776403062 O,O-Dityrosine | 980-21-2 O,O-Dityrosine|C1885879|980-21-2 https://www.jk-sci.com/products/s57c1911404 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a250ff055ddb5de7b8d23f90de3fce17.jpg?v=1776403206 Vitamin B6 Impurity 13 | 23460-73-3 Vitamin B6 Impurity 13|C1911404|23460-73-3 https://www.jk-sci.com/products/s57c1919641 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360452.png?v=1775071346 N-Nitroso-D,L-pipecolic Acid | 4515-18-8 N-Nitroso-D,L-pipecolic Acid|C1919641|4515-18-8 https://www.jk-sci.com/products/s57c3d-25906 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aad5202e-ab16-43cd-8c75-337a869c851d.png?v=1775071359 Suplatast Tosylate-D5 Suplatast Tosylate-D5|C3D-25906 https://www.jk-sci.com/products/s57c3d-262658 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c03b856da59dff463e0de7eac74df2c3.jpg?v=1776403532 PBT Impurity 58 | 210566-88-4 PBT Impurity 58|C3D-262658|210566-88-4 https://www.jk-sci.com/products/s57c3d-4773 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597611.png?v=1775070099 2,3-Dihydroxybenzoic Acid | 303-38-8 2,3-Dihydroxybenzoic Acid|C3D-4773|303-38-8 https://www.jk-sci.com/products/j5330428 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5923ad2ca1b87676c3223ea3881d8731.jpg?v=1776362240 Tetramethylammonium bromide | 64-20-0 Tetramethylammonium bromide|30428|64-20-0 https://www.jk-sci.com/products/j5330391 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299405a9e2af522d9885170ad2420ebd.jpg?v=1776362140 Didecyldimethylammonium bromide | 2390-68-3 Didecyldimethylammonium bromide|30391|2390-68-3 https://www.jk-sci.com/products/s57c4x-10203 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d52f42135e0fc790c7d3587812bdefe2.jpg?v=1776404541 Vonoprazan Fumarate Impurity 3 | 881674-56-2 Vonoprazan Fumarate Impurity 3|C4X-10203|881674-56-2 https://www.jk-sci.com/products/j5330465 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b576e72d0f84ee811a1eba01b86e11e7.jpg?v=1776362357 (4S)-Azido-L-Proline hydrochloride | 1217823-31-8 (4S)-Azido-L-Proline hydrochloride|30465|1217823-31-8 https://www.jk-sci.com/products/j5330486 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d01554f926a7c423a12b053ebde4d6b.jpg?v=1776362424 Na-Fmoc-L-2,3-diaminopropionic acid tert-butyl ester hydrochloride | 182618-30-0 Na-Fmoc-L-2,3-diaminopropionic acid tert-butyl ester hydrochloride|30486|182618-30-0 https://www.jk-sci.com/products/s57c4x-1051 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588527.png?v=1775071410 Diclofenac sodium | 15307-79-6 Diclofenac sodium|C4X-1051|15307-79-6 https://www.jk-sci.com/products/s57c4x-105547 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1be8a77397835315a408e8b780bba8ac_d4ade9fe-3eac-4b20-a7a7-3b082bfc9921.jpg?v=1776405253 Topiroxostat Impurity 47 | 93-60-7 Topiroxostat Impurity 47|C4X-105547|93-60-7 https://www.jk-sci.com/products/j5330513 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1af16973a2dd369c11294470d4211b8a.jpg?v=1776362517 Na-Azido-Ne-Boc-L-Lysine | 333366-32-8 Na-Azido-Ne-Boc-L-Lysine|30513|333366-32-8 https://www.jk-sci.com/products/s57c4x-105913 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c2bb5131424ed1276f1ffff8a30293e.jpg?v=1776405418 Cinacalcet Impurity 13 | 2074615-22-6 Cinacalcet Impurity 13|C4X-105913|2074615-22-6 https://www.jk-sci.com/products/s57c4x-1087162 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c598249-1513-46bb-bd61-0519bf32fb17.png?v=1775070162 Tadalafil Impurity 162 Tadalafil Impurity 162|C4X-1087162 https://www.jk-sci.com/products/s57c4x-11489 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5676abffa6aae89f540a820d82c80b7d.jpg?v=1776408404 Amoxicillin EP Impurity J(Mixture) | 73590-06-4 Amoxicillin EP Impurity J(Mixture)|C4X-11489|73590-06-4 https://www.jk-sci.com/products/j5330531 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db01cf414b7161ef0605b3c03e81e3dd.jpg?v=1776362578 Na-Fmoc-Ne-Palmitoyl-D-Lysine | 1301706-55-7 Na-Fmoc-Ne-Palmitoyl-D-Lysine|30531|1301706-55-7 https://www.jk-sci.com/products/s57c4x-131288 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256774_1f787a63-8785-4b65-ba0c-45eca3a143dc.png?v=1775071558 (+)-Citronellal | 2385-77-5 (+)-Citronellal|C4X-131288|2385-77-5 https://www.jk-sci.com/products/j5330560 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b395794793484a06389c9c1504dce803.jpg?v=1776362666 Bismuth (III) citrate | 813-93-4 Bismuth (III) citrate|30560|813-93-4 https://www.jk-sci.com/products/s57c4x-13665 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502667.png?v=1775070325 Voriconazole EP Impurity E(Voriconazole Related Compound F) | 5872-08-2 Voriconazole EP Impurity E(Voriconazole Related Compound F)|C4X-13665|5872-08-2 https://www.jk-sci.com/products/s57c4x-138910 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c88e73fb3895f1659e22be984ba71bb0.jpg?v=1776411097 Budesonide EP Impurity J (Mixture of Diastereomers) | 313474-59-8 Budesonide EP Impurity J (Mixture of Diastereomers)|C4X-138910|313474-59-8 https://www.jk-sci.com/products/j5330571 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07834a4597f3976314b2bdd4d421747f.jpg?v=1776362692 Cadmium acetate anhydrous | 543-90-8 Cadmium acetate anhydrous|30571|543-90-8 https://www.jk-sci.com/products/j5330605 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dff966a866e0aaf1c764c8de2a570eb7.jpg?v=1776362778 Manganese (II) acetate tetrahydrate | 6156-78-1 Manganese (II) acetate tetrahydrate|30605|6156-78-1 https://www.jk-sci.com/products/j5330655 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20134f10dba9041b51dee59bf601e4bf.jpg?v=1776362882 Zinc perchlorate hexahydrate | 10025-64-6 Zinc perchlorate hexahydrate|30655|10025-64-6 https://www.jk-sci.com/products/s57c1104990 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_51b3163d-5177-4002-bfe9-90c727052c72.png?v=1775072429 rac Demethyl Citalopram-d3 Hydrochloride rac Demethyl Citalopram-d3 Hydrochloride|C1104990 https://www.jk-sci.com/products/s57c1106603 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7ead1f50619ad124146dda93a826903.jpg?v=1776401352 (S)-4-Oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid | 1190392-22-3 (S)-4-Oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid|C1106603|1190392-22-3 https://www.jk-sci.com/products/j5330625 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eadb322f2be12bfef17c55af35825e26.jpg?v=1776362817 Nickel (II) oxalate dihydrate | 6018-94-6 Nickel (II) oxalate dihydrate|30625|6018-94-6 https://www.jk-sci.com/products/j5330662 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c98364894ed3bacf4922461fee1541a8.jpg?v=1776362902 Cadmium fluoride | 7790-79-6 Cadmium fluoride|30662|7790-79-6 https://www.jk-sci.com/products/s57c1108736 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce7eeb2958de00c139c4006dfd5e188d.jpg?v=1776401377 Dabrafenib Impurity N6 | 1195768-20-7 Dabrafenib Impurity N6|C1108736|1195768-20-7 https://www.jk-sci.com/products/j5330683 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/def07ca5aad7a8673eeaebd91b97042b.jpg?v=1776362956 Zinc oxalate dihydrate | 55906-21-3 Zinc oxalate dihydrate|30683|55906-21-3 https://www.jk-sci.com/products/j5330699 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9855a11dcf6982d20c7baa704998a19f.jpg?v=1776362991 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt | 6578-06-9 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt|30699|6578-06-9 https://www.jk-sci.com/products/j5330709 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a073d9a4354507ea9443ff7a50a279a.jpg?v=1776363023 H-Dab(hexanoyl)-OH H-Dab(hexanoyl)-OH|30709 https://www.jk-sci.com/products/s57c1215380 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be8dd2045cc07b7530233f0920341ff.jpg?v=1776401539 Paclitaxel Impurity N1 | 132201-33-3 Paclitaxel Impurity N1|C1215380|132201-33-3 https://www.jk-sci.com/products/s57c1509723 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568334_80359d73-e1f5-4418-9897-7ff7b617bc60.png?v=1775071296 1-(1-Methylpiperidin-4-yl)piperazine | 23995-88-2 1-(1-Methylpiperidin-4-yl)piperazine|C1509723|23995-88-2 https://www.jk-sci.com/products/s57c1606032 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9b7fe94b84aa1dcc1ede19232e990e9_0e37c1ff-cdb6-4e7c-9e7a-8b2e8194f099.jpg?v=1776402269 2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-Methylbenzenesulfonate | 77544-68-4 2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-Methylbenzenesulfonate|C1606032|77544-68-4 https://www.jk-sci.com/products/j5330713 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/facb52718fce9744d5ee3b906dab7a92.jpg?v=1776363037 3-Iodo-1H-pyrazole | 4522-35-4 3-Iodo-1H-pyrazole|30713|4522-35-4 https://www.jk-sci.com/products/s57c1774223 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469260_6f28b3fa-e179-405c-8cb3-5a63c79114a2.png?v=1775072471 6-Methoxy-8-nitroquinoline | 85-81-4 6-Methoxy-8-nitroquinoline|C1774223|85-81-4 https://www.jk-sci.com/products/s57c1806148 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418989.png?v=1775071317 Trans-9-Octadecenol | 506-42-3 Trans-9-Octadecenol|C1806148|506-42-3 https://www.jk-sci.com/products/s57c1821903 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac69c6102d92321f38a051aaaa15ff30.jpg?v=1776402807 Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate | 5350-94-7 Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate|C1821903|5350-94-7 https://www.jk-sci.com/products/s57c1920837 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216729_0a1a1eaf-287a-47a2-8cc4-7fa98097a609.png?v=1775071350 2-Acetamidopyridine | 5231-96-9 2-Acetamidopyridine|C1920837|5231-96-9 https://www.jk-sci.com/products/s57c3d-1837 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298607.png?v=1775071355 L-Alanyl-L-glutamine | 39537-23-0 L-Alanyl-L-glutamine|C3D-1837|39537-23-0 https://www.jk-sci.com/products/s57c4x-27616 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2b0faa0c-c0fa-4233-8dd2-2b128027a528.png?v=1774665003 Oxaliplatin EP Impurity E | 82398-34-3 Oxaliplatin EP Impurity E|C4X-27616|82398-34-3 https://www.jk-sci.com/products/s57c3d-3918 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbce8107706e10381231fb802f6557bd.jpg?v=1776403640 Ethyl 2-bromophenylacetate | 2178-24-7 Ethyl 2-bromophenylacetate|C3D-3918|2178-24-7 https://www.jk-sci.com/products/s57c3d-4508 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e008b7931b764d046bd6bf063a97f3d2.jpg?v=1776403716 N-ethyl-N-(pyridin-4-ylmethyl)nitrous amide (Mixture of Isomers) | 13256-23-0 N-ethyl-N-(pyridin-4-ylmethyl)nitrous amide (Mixture of Isomers)|C3D-4508|13256-23-0 https://www.jk-sci.com/products/s57c3d-5040 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3bd3699974bb1a0ede0b3d52405416d.jpg?v=1776403774 4-Chloro-4-methyl-2-Pentanone | 14575-13-4 4-Chloro-4-methyl-2-Pentanone|C3D-5040|14575-13-4 https://www.jk-sci.com/products/j5330727 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03c997c8b50cb66927fffdf919d0aa79.jpg?v=1776363079 1-Azido-3,6,9-trioxaundecane-11-ol | 86770-67-4 1-Azido-3,6,9-trioxaundecane-11-ol|30727|86770-67-4 https://www.jk-sci.com/products/s57c3d-5683 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7a8ae842c599d1c3037cf0648596d7d.jpg?v=1776403891 3,5-Dinitro-4-phenoxybenzoic acid | 35138-18-2 3,5-Dinitro-4-phenoxybenzoic acid|C3D-5683|35138-18-2 https://www.jk-sci.com/products/s57c3d-5916 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517072_adc762b2-1f45-48fe-ae8b-2930a3bdffa6.png?v=1775071382 2-Mercapto-5-methylbenzimidazole | 27231-36-3 2-Mercapto-5-methylbenzimidazole|C3D-5916|27231-36-3 https://www.jk-sci.com/products/j5330766 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8a1474b406f21756843eee07ea90c6d.jpg?v=1776363168 Stearic acid | 57-11-4 Stearic acid|30766|57-11-4 https://www.jk-sci.com/products/s57c4x-10013 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/628007_843c852a-aec0-4a5d-b7be-f3a37aadafe9.png?v=1775071386 Erythromycin EP Impurity D | 23893-13-2 Erythromycin EP Impurity D|C4X-10013|23893-13-2 https://www.jk-sci.com/products/s57c4x-10029 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21eb97c22362a9f6e430e570a56133db.jpg?v=1776404126 Clarithromycin EP Impurity N | 144604-03-5 Clarithromycin EP Impurity N|C4X-10029|144604-03-5 https://www.jk-sci.com/products/s57c4x-101911 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235221.png?v=1775071391 Fluconazole Impurity 11 | 51336-94-8 Fluconazole Impurity 11|C4X-101911|51336-94-8 https://www.jk-sci.com/products/s57c4x-278214 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1dfb4ea-7f3d-497e-b6b0-4351fbbe3758.png?v=1774666062 Trametinib impurity 14 Trametinib impurity 14|C4X-278214 https://www.jk-sci.com/products/j5330770 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1476e7016b38162202220c96116d089c.jpg?v=1776363181 2,4-Dichloro-5-(trifluoromethyl)pyrimidine | 3932-97-6 2,4-Dichloro-5-(trifluoromethyl)pyrimidine|30770|3932-97-6 https://www.jk-sci.com/products/s57c4x-102271 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5acacdda-edae-48a6-b8e8-06786572f1d6.png?v=1775071400 Carfilzomib Impurity 71 Carfilzomib Impurity 71|C4X-102271 https://www.jk-sci.com/products/s57c4x-1058 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539051.png?v=1775071425 Memantine | 19982-08-2 Memantine|C4X-1058|19982-08-2 https://www.jk-sci.com/products/j5330777 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ebf4fea0f2cfe628b34b64b9e29751.jpg?v=1776363205 Adenine, low endotoxin =0.2 EU/mg | 73-24-5 Adenine, low endotoxin =0.2 EU/mg|30777|73-24-5 https://www.jk-sci.com/products/j5330789 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59dd61a34720fc8e6cd4b3f24dc93366.jpg?v=1776363243 N-Propanoyl mannosamine | 79624-37-6 N-Propanoyl mannosamine|30789|79624-37-6 https://www.jk-sci.com/products/s57c4x-106232 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95b7e4218f321c8ac8f21b391c039306.jpg?v=1776405464 Edaravone impurity 32 | 852539-02-7 Edaravone impurity 32|C4X-106232|852539-02-7 https://www.jk-sci.com/products/s57c4x-10717 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/555037af8ccb25fc41342447e8ac44ec.jpg?v=1776405846 Axitinib Impurity 7 | 944835-85-2 Axitinib Impurity 7|C4X-10717|944835-85-2 https://www.jk-sci.com/products/s57c4x-107497 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed0b8978-72fa-4f9c-8657-6243c0ed37f0.png?v=1775071443 (S,S)-Moxifloxacin Impurity 97 (S,S)-Moxifloxacin Impurity 97|C4X-107497 https://www.jk-sci.com/products/s57c4x-108217 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13074a5002d9fb59976ec719d83d4f6.jpg?v=1776406246 Ibuprofen EP Impurity Q | 36039-35-7 Ibuprofen EP Impurity Q|C4X-108217|36039-35-7 https://www.jk-sci.com/products/j5330791 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eadcbd14982bcc0688b53db4889d83af.jpg?v=1776363249 2-Acetamido-1,3,4,6-tetra-O-acetyl-2-deoxy-D-galactopyranose | 76375-60-5 2-Acetamido-1,3,4,6-tetra-O-acetyl-2-deoxy-D-galactopyranose|30791|76375-60-5 https://www.jk-sci.com/products/s57c4x-1203 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151152_1ef68462-21e8-48b6-94e2-04df73646401.png?v=1775072623 Bupropion HCl | 31677-93-7 Bupropion HCl|C4X-1203|31677-93-7 https://www.jk-sci.com/products/j5330795 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fb7cd9fc44b46bb6cbde51f26110b64.jpg?v=1776363255 Sodium bis(trimethylsilyl)amide | 1070-89-9 Sodium bis(trimethylsilyl)amide|30795|1070-89-9 https://www.jk-sci.com/products/j5330802 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3473570560727a694ec7065e2de47404.jpg?v=1776363272 Imipenem Monohydrate | 74431-23-5 Imipenem Monohydrate|30802|74431-23-5 https://www.jk-sci.com/products/j5331201 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd3bcd1746e05667b4e3556b33d1002e.jpg?v=1776363514 2-Chloro-1,3-dimethylimidazolinium hexafluorophosphate | 101385-69-7 2-Chloro-1,3-dimethylimidazolinium hexafluorophosphate|31201|101385-69-7 https://www.jk-sci.com/products/s57c4x-120825 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4da51bc286da9588be3d39bf9faf5d5.jpg?v=1776409205 Posaconazole Impurity 25 | 1042398-26-4 Posaconazole Impurity 25|C4X-120825|1042398-26-4 https://www.jk-sci.com/products/s57c4x-130844 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab6cff5805b37cefbfd31d18fbd9cc33.jpg?v=1776410152 Levosimendan Impurity 44 | 63514-63-6 Levosimendan Impurity 44|C4X-130844|63514-63-6 https://www.jk-sci.com/products/j5331121 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46d119c495f82743b942af1342d4c40b.jpg?v=1776363464 Xantphos | 161265-03-8 Xantphos|31121|161265-03-8 https://www.jk-sci.com/products/s57c4x-135826 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0fe0f390-0773-4098-a507-f4466c4c6695.png?v=1775072678 Cefditoren Impurity 26 Cefditoren Impurity 26|C4X-135826 https://www.jk-sci.com/products/s57c4x-159052 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_12a4a2da-0e44-460f-b440-723bf50d1a24.png?v=1775071610 Safinamide impurity 52 | 100370-27-3 Safinamide impurity 52|C4X-159052|100370-27-3 https://www.jk-sci.com/products/s57c4x-280623 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dededbb7-d9db-445e-ba29-1f04f3353c63.png?v=1774717783 ethyl 13-(3-methyl-5-pentylfuran-2-yl)tridecanoate ethyl 13-(3-methyl-5-pentylfuran-2-yl)tridecanoate|C4X-280623 https://www.jk-sci.com/products/j5331031 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2771ddc2b36d1a6b4de1ff490f30b56f.jpg?v=1776363385 Rapamycin from Streptomyces hygroscopicus | 53123-88-9 Rapamycin from Streptomyces hygroscopicus|31031|53123-88-9 https://www.jk-sci.com/products/j5331112 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82ae1a338891c751ffd915a1b6e38854.jpg?v=1776363443 2-Chlorobenzimidazole | 4857-06-1 2-Chlorobenzimidazole|31112|4857-06-1 https://www.jk-sci.com/products/s57c1214906 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157478.png?v=1775072444 Xanomeline | 131986-45-3 Xanomeline|C1214906|131986-45-3 https://www.jk-sci.com/products/s57c1236501 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238332_5f982625-72f1-445a-944b-a27553fb958d.png?v=1775072455 Methyl cis-7,10,13,16-docosatetraenoate | 13487-42-8 Methyl cis-7,10,13,16-docosatetraenoate|C1236501|13487-42-8 https://www.jk-sci.com/products/j5331185 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0626c2066ac8fcb0a83df423f171eb20.jpg?v=1776363488 D-(+)-Sucrose octaacetate | 126-14-7 D-(+)-Sucrose octaacetate|31185|126-14-7 https://www.jk-sci.com/products/j5331206 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5604ea575e5eb433b6e2cdb947c96ee.jpg?v=1776363530 O-(Benzotriazol-1-yl)- N,N,N’,N’-bis(tetramethylene)uronium hexafluorophosphate | 105379-24-6 O-(Benzotriazol-1-yl)- N,N,N’,N’-bis(tetramethylene)uronium hexafluorophosphate|31206|105379-24-6 https://www.jk-sci.com/products/j5331204 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c3dc2268f04f4a16abb0fc1c1807442.jpg?v=1776363523 O-[(Ethoxycarbonyl)cyanomethylenamino]- N,N,N’,N’-tetramethyluronium hexafluorophosphate | 333717-40-1 O-[(Ethoxycarbonyl)cyanomethylenamino]- N,N,N’,N’-tetramethyluronium hexafluorophosphate|31204|333717-40-1 https://www.jk-sci.com/products/s57c1500080 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48e3a8bce51e382ea58ebc2ee0343e68.jpg?v=1776402039 (S)-8-(benzyloxy)-5-(2-bromo-1-((tert-butyldimethylsilyl)oxy)ethyl)quinolin-2(1H)-one | 530084-74-3 (S)-8-(benzyloxy)-5-(2-bromo-1-((tert-butyldimethylsilyl)oxy)ethyl)quinolin-2(1H)-one|C1500080|530084-74-3 https://www.jk-sci.com/products/j5330858 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a76a2188959f89d73eff492f4d92f028.jpg?v=1776363330 3'-Methoxyacetophenone | 586-37-8 3'-Methoxyacetophenone|30858|586-37-8 https://www.jk-sci.com/products/s57c1705434 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340017_932a6658-9367-4ea0-a783-c34d650fd98e.png?v=1775072466 4,4'-Oxydibenzonitrile | 6508-04-9 4,4'-Oxydibenzonitrile|C1705434|6508-04-9 https://www.jk-sci.com/products/j5330841 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3931f24f259f2b2a25b366f1628bf4b7.jpg?v=1776363305 1,4-Dibromo-2-iodobenzene | 89284-52-6 1,4-Dibromo-2-iodobenzene|30841|89284-52-6 https://www.jk-sci.com/products/j5331192 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb63d5561f4f4e37ed5916e4133e8326.jpg?v=1776363498 2,3-Dimethylpyrazine | 5910-89-4 2,3-Dimethylpyrazine|31192|5910-89-4 https://www.jk-sci.com/products/s57c4x-284210 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c1752095 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153481_3d980dff-68d3-45cb-9a35-b97016a52bd5.png?v=1775074914 5-Chloro-2-methylpyridine | 72093-07-3 5-Chloro-2-methylpyridine|C1752095|72093-07-3 https://www.jk-sci.com/products/s57c1823664 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_db733d68-7ed0-4ac9-b6e4-1426332410cb.png?v=1775072480 Ferric Carboxymaltose | 9007-72-1 Ferric Carboxymaltose|C1823664|9007-72-1 https://www.jk-sci.com/products/j5331211 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7508480da7c577b630df1dce3daae95.jpg?v=1776363540 1,1,3,3-Tetramethyl-2-(2-oxopyridin-1(2H)-yl)isouronium hexafluorophosphate | 364047-51-8 1,1,3,3-Tetramethyl-2-(2-oxopyridin-1(2H)-yl)isouronium hexafluorophosphate|31211|364047-51-8 https://www.jk-sci.com/products/s57c1913342 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559665_6bb2a34c-6058-4d25-ae5a-a98fb98eba00.png?v=1775074948 Methyl 3,5-dimethoxybenzoate | 2150-37-0 Methyl 3,5-dimethoxybenzoate|C1913342|2150-37-0 https://www.jk-sci.com/products/j5331213 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/812db7d5ce129d0b3502f9a21b874ed9.jpg?v=1776363546 N,N,N’,N’-Tetramethyl-S-(1-oxido-2-pyridyl)thiouronium hexafluorophosphate | 212333-72-7 N,N,N’,N’-Tetramethyl-S-(1-oxido-2-pyridyl)thiouronium hexafluorophosphate|31213|212333-72-7 https://www.jk-sci.com/products/j5331230 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454b79b1dc165f54d675770ec18cc137.jpg?v=1776363595 Di-2-pyridyl carbonate | 1659-31-0 Di-2-pyridyl carbonate|31230|1659-31-0 https://www.jk-sci.com/products/s57c1919433 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403090.png?v=1775072485 Tris(dimethylamino)borane | 4375-83-1 Tris(dimethylamino)borane|C1919433|4375-83-1 https://www.jk-sci.com/products/j5331223 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4e798df518e198645ba55e5c161ce09.jpg?v=1776363579 Methyl 4-(chlorocarbonyl)benzoate | 7377-26-6 Methyl 4-(chlorocarbonyl)benzoate|31223|7377-26-6 https://www.jk-sci.com/products/s57c1922020 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129286.png?v=1775074957 tert-Butoxy bis(dimethylamino)methane | 5815-08-7 tert-Butoxy bis(dimethylamino)methane|C1922020|5815-08-7 https://www.jk-sci.com/products/s57c3d-1998 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449941_3437da66-f0fa-497e-89e8-fe0a8f893c38.png?v=1775072490 N-(4-Nitrobenzoyl)-L-glutamic Acid | 6758-40-3 N-(4-Nitrobenzoyl)-L-glutamic Acid|C3D-1998|6758-40-3 https://www.jk-sci.com/products/j5331215 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f326647a6c3b61a96d21d6272994347d.jpg?v=1776363555 mono-Methyl terephthalate | 1679-64-7 mono-Methyl terephthalate|31215|1679-64-7 https://www.jk-sci.com/products/s57c3d-26090 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a8a6ac6b0a018b3b423ace0e8a1f004.jpg?v=1776403446 4-(4-Chlorobutoxy)butan-1-ol | 60767-73-9 4-(4-Chlorobutoxy)butan-1-ol|C3D-26090|60767-73-9 https://www.jk-sci.com/products/s57c3d-2805 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573340.png?v=1775072502 DL-Norvaline | 760-78-1 DL-Norvaline|C3D-2805|760-78-1 https://www.jk-sci.com/products/s57c3d-3360 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/532000.png?v=1775074979 2-Cyanopyrimidine | 14080-23-0 2-Cyanopyrimidine|C3D-3360|14080-23-0 https://www.jk-sci.com/products/s57c3d-4700 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373355.png?v=1775072520 2-(2,3-dimethoxyphenyl)ethan-1-amine | 3213-29-4 2-(2,3-dimethoxyphenyl)ethan-1-amine|C3D-4700|3213-29-4 https://www.jk-sci.com/products/s57c4x-284811 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d61b1a33-f29c-4f6a-9815-d46210874100.png?v=1774671872 Nabumetone Impurity 11 Nabumetone Impurity 11|C4X-284811 https://www.jk-sci.com/products/s57c3d-5512 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608818.png?v=1775072528 2-Hydroxyethanesulphonic acid | 107-36-8 2-Hydroxyethanesulphonic acid|C3D-5512|107-36-8 https://www.jk-sci.com/products/s57c4x-10094 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ef0ab8bb6f5f163beb8de771548dc35.jpg?v=1776404314 Apremilast Impurity 4 | 2201974-01-6 Apremilast Impurity 4|C4X-10094|2201974-01-6 https://www.jk-sci.com/products/j5331235 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f94102fb558f69a4e3d714ea15a3f62.jpg?v=1776363605 Tripyrrolidinophosphine oxide | 6415-07-2 Tripyrrolidinophosphine oxide|31235|6415-07-2 https://www.jk-sci.com/products/j5331251 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d8b007ac4b62c21b6813fc440ca9012.jpg?v=1776363660 6-Bromo-3-pyridinecarboxaldehyde | 149806-06-4 6-Bromo-3-pyridinecarboxaldehyde|31251|149806-06-4 https://www.jk-sci.com/products/s57c4x-101225 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d49cfc57-daf2-4ac3-b7e8-da262b1bce5e.png?v=1775072544 Baclofen impurity 25 HBr Baclofen impurity 25 HBr|C4X-101225 https://www.jk-sci.com/products/j5331255 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e10433b5f1e1e08a607edd30c842b6b.jpg?v=1776363672 2-Mesitylenesulfonyl hydrazide | 16182-15-3 2-Mesitylenesulfonyl hydrazide|31255|16182-15-3 https://www.jk-sci.com/products/j5331241 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1ba446db4759563564ab46e33174fa0.jpg?v=1776363626 N-(Diphenylmethylene)aminoacetonitrile | 70591-20-7 N-(Diphenylmethylene)aminoacetonitrile|31241|70591-20-7 https://www.jk-sci.com/products/s57c4x-10291 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea42992533eda3b952bc7858c81f01c6.jpg?v=1776404732 Clopidogrel EP Impurity A HCl | 144750-42-5 Clopidogrel EP Impurity A HCl|C4X-10291|144750-42-5 https://www.jk-sci.com/products/j5331260 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5e4cd8547784dfdb7d488c11e111b26.jpg?v=1776363689 Ethyl O-(2-mesitylenesulfonyl)acethydroxamate | 38202-27-6 Ethyl O-(2-mesitylenesulfonyl)acethydroxamate|31260|38202-27-6 https://www.jk-sci.com/products/j5331258 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2537b266046c434a123a7ca3e2faeafb.jpg?v=1776363682 Chloroformamidine hydrochloride | 29671-92-9 Chloroformamidine hydrochloride|31258|29671-92-9 https://www.jk-sci.com/products/s57c4x-104335 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480624_c8f2b391-9f2e-4019-bf0d-3d3c0eb17567.png?v=1775072548 Celecoxib Impurity 35 | 98-64-6 Celecoxib Impurity 35|C4X-104335|98-64-6 https://www.jk-sci.com/products/s57c4x-2853 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8420d4213913cde5f3201995a9553f81.jpg?v=1776418638 Luliconazole | 187164-19-8 Luliconazole|C4X-2853|187164-19-8 https://www.jk-sci.com/products/j5331263 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0561bcc5885124ea02df05cdfaf75e1.jpg?v=1776363699 N-Isopropylhydroxylamine hydrochloride | 50632-53-6 N-Isopropylhydroxylamine hydrochloride|31263|50632-53-6 https://www.jk-sci.com/products/s57c4x-1065177 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e70ba3a-b6c9-4916-8915-2c76e15bc5c1.png?v=1775072558 Empagliflozin impurity 177 Empagliflozin impurity 177|C4X-1065177 https://www.jk-sci.com/products/s57c4x-1079183 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67dace9cd78a9df1133faf50337cd0c2.jpg?v=1776406126 Tofacitinib Impurity 183 | 115093-90-8 Tofacitinib Impurity 183|C4X-1079183|115093-90-8 https://www.jk-sci.com/products/s57c4x-112931 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9bf24b23-529f-43fd-bf09-5f8ca3f3934b.png?v=1775072589 Arbidol Impurity 31 Arbidol Impurity 31|C4X-112931 https://www.jk-sci.com/products/j5331268 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b88c1766d20dd41ed5d203167f64c1d.jpg?v=1776363706 3-Pyrrolidinone hydrochloride | 3760-52-9 3-Pyrrolidinone hydrochloride|31268|3760-52-9 https://www.jk-sci.com/products/s57c4x-2863 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c4x-113038 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5f2d894b-8921-4436-9128-a63eb8fcbd1a.png?v=1775072596 Ilaprazole Dimer Impurity 38 Iodized Salt Ilaprazole Dimer Impurity 38 Iodized Salt|C4X-113038 https://www.jk-sci.com/products/s57c4x-2880146 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0c20497-32c2-43af-81f7-3e9141fe4769.png?v=1774985003 Finerenone Impurity 146 Finerenone Impurity 146|C4X-2880146 https://www.jk-sci.com/products/s57c4x-130019 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41fd86274abb3bd6b7a0ec7880ba3304.jpg?v=1776410084 Tacrolimus EP Impurity G | 144490-63-1 Tacrolimus EP Impurity G|C4X-130019|144490-63-1 https://www.jk-sci.com/products/s57c4x-137110 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df12e2f4b6123836535990ba13c69f8.jpg?v=1776410904 Levofloxacin Impurity 10 | 177472-30-9 Levofloxacin Impurity 10|C4X-137110|177472-30-9 https://www.jk-sci.com/products/s57c4x-151913 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb05ef08a2fe6d60fb81cf4572bfc89a.jpg?v=1776412803 Propranolol Impurity 13 | 1236367-67-1 Propranolol Impurity 13|C4X-151913|1236367-67-1 https://www.jk-sci.com/products/j5331272 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c1dace8a4824ddbb894ad315bbfbfe0.jpg?v=1776363715 N,N-Bis(2-cyanoethyl)formamide | 3445-84-9 N,N-Bis(2-cyanoethyl)formamide|31272|3445-84-9 https://www.jk-sci.com/products/j5330165 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85e0abc30c61c6ceca47e353af726132.jpg?v=1776361520 Succinic acid | 110-15-6 Succinic acid|30165|110-15-6 https://www.jk-sci.com/products/j5329589 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c018dd2e809a7d843008ab0de8af53f.jpg?v=1776360048 Boc-a-methyl-L-4-bromophenylalanine | 1286768-44-2 Boc-a-methyl-L-4-bromophenylalanine|29589|1286768-44-2 https://www.jk-sci.com/products/j5330319 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2539bfa8c39b06fcf114e42d6893dc2e.jpg?v=1776361928 Fmoc-Ser(tBu)-Thr[Psi(Me,Me)Pro]-OH | 1266350-99-5 Fmoc-Ser(tBu)-Thr[Psi(Me,Me)Pro]-OH|30319|1266350-99-5 https://www.jk-sci.com/products/s57c1050640 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c99d37ee7178f868d1ac8be24be992b9_b0b21729-dc6f-4756-84a2-57b0982a9b79.jpg?v=1776401246 Methyl 1-methyl-1H-indole-3-carboxylate | 108438-43-3 Methyl 1-methyl-1H-indole-3-carboxylate|C1050640|108438-43-3 https://www.jk-sci.com/products/s57c1349312 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06cf98b894edad6ce4af31b2a523a5a4.jpg?v=1776401790 Insulin Glargine | 160337-95-1 Insulin Glargine|C1349312|160337-95-1 https://www.jk-sci.com/products/s57c4x-288035 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ceb3b946ccb3b6839fa5e9720c12e727.jpg?v=1776418695 Finerenone Impurity 35 | 1545905-35-8 Finerenone Impurity 35|C4X-288035|1545905-35-8 https://www.jk-sci.com/products/s57c1384630 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03e3cda526278904e9a1623c612277d8.jpg?v=1776401875 Mesalazine EP Impurity J HCl | 177960-41-7 Mesalazine EP Impurity J HCl|C1384630|177960-41-7 https://www.jk-sci.com/products/s57c4x-288091 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e59a293a-11c3-4f18-a4c8-58d5d97d12bd.png?v=1774642614 Finerenone Impurity 91 Finerenone Impurity 91|C4X-288091 https://www.jk-sci.com/products/j5330410 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f0178c2b4f40cd06a379eae0c9791c.jpg?v=1776362197 Trimethyl orthobutyrate | 43083-12-1 Trimethyl orthobutyrate|30410|43083-12-1 https://www.jk-sci.com/products/s57c1489634 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09860e16db49ce547d7a3f078dac2461.jpg?v=1776401994 (E)-N-Hydroxybenzimidoyl chloride | 81745-44-0 (E)-N-Hydroxybenzimidoyl chloride|C1489634|81745-44-0 https://www.jk-sci.com/products/s57c1503136 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64e607dd80f96ca0809767e4ff70a44c.jpg?v=1776402046 (Z)-Phytol | 5492-30-8 (Z)-Phytol|C1503136|5492-30-8 https://www.jk-sci.com/products/j5330480 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29fe8a259a6d0c3e4b56c931c29f1960.jpg?v=1776362404 Na-Z-D-2,3-diaminopropionic acid methyl ester hydrochloride | 96192-93-7 Na-Z-D-2,3-diaminopropionic acid methyl ester hydrochloride|30480|96192-93-7 https://www.jk-sci.com/products/s57c4x-28903 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/j5330525 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41c83277208c77c63511d4811fec2bf2.jpg?v=1776362556 Fmoc-8-amino-3,6-dioxaoctanoyl-8-amino-3,6-dioxaoctanoic acid | 560088-89-3 Fmoc-8-amino-3,6-dioxaoctanoyl-8-amino-3,6-dioxaoctanoic acid|30525|560088-89-3 https://www.jk-sci.com/products/s57c1597170 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/638079e134ee2b90d1f93bcfd615d32f.jpg?v=1776402230 2,3-Dimethyl-2H-indazole | 50407-18-6 2,3-Dimethyl-2H-indazole|C1597170|50407-18-6 https://www.jk-sci.com/products/j5330566 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58a83b54ddc13f185c03482ae5a0afbd.jpg?v=1776362676 Bismuth (III) oxy iodide | 7787-63-5 Bismuth (III) oxy iodide|30566|7787-63-5 https://www.jk-sci.com/products/j5330613 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ccb0fa73cc21d799231a59bef4a627.jpg?v=1776362801 Manganese (III) phosphate hydrate | 104663-56-1 Manganese (III) phosphate hydrate|30613|104663-56-1 https://www.jk-sci.com/products/s57c1661585 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd5a9b6a4472f3e30bc1d2d7ea94dc02_68cc5dc1-3761-4537-8fb8-6e008f989ad4.jpg?v=1776402362 3,5-Dibromo-1H-pyrazole | 67460-86-0 3,5-Dibromo-1H-pyrazole|C1661585|67460-86-0 https://www.jk-sci.com/products/s57c1717406 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd9abd779cf62c285ab60cd476cbeb40.jpg?v=1776402475 4-Chloropentanoyl Chloride | 63480-12-6 4-Chloropentanoyl Chloride|C1717406|63480-12-6 https://www.jk-sci.com/products/s57c1788270 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38f299005c98f7075f9cbbc6a0996cc7.jpg?v=1776402583 Acetyl tetrapeptide-9(Dermican LS 9837) | 928006-50-2 Acetyl tetrapeptide-9(Dermican LS 9837)|C1788270|928006-50-2 https://www.jk-sci.com/products/s57c1798559 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9823547ba81da05fcf1e16f480e65c4.jpg?v=1776402705 cis-8,11,14-Eicosatrienoic Acid-d6 | 81540-86-5 cis-8,11,14-Eicosatrienoic Acid-d6|C1798559|81540-86-5 https://www.jk-sci.com/products/s57c1806671 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bed90df1877e824bdca0d6f1c36b2d85.jpg?v=1776402787 Ethaverine Hydrochloride | 985-13-7 Ethaverine Hydrochloride|C1806671|985-13-7 https://www.jk-sci.com/products/j5330711 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b62983d8ac64cf628b826c604cd4317.jpg?v=1776363031 5-Bromothiophene-3-carboxylic acid | 100523-84-0 5-Bromothiophene-3-carboxylic acid|30711|100523-84-0 https://www.jk-sci.com/products/j5330685 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d0755163ff3c021ad754d8fa96618a6.jpg?v=1776362959 Nickel (II) nitrate hexahydrate | 13478-00-7 Nickel (II) nitrate hexahydrate|30685|13478-00-7 https://www.jk-sci.com/products/j5330658 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/429cc115f36d0f150075a2f6f526f40e.jpg?v=1776362889 Bismuth (III) iodide | 7787-64-6 Bismuth (III) iodide|30658|7787-64-6 https://www.jk-sci.com/products/j5330745 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bae9fcce863e730da73fd3ea997722f1.jpg?v=1776363123 Linoleic acid ethyl ester | 544-35-4 Linoleic acid ethyl ester|30745|544-35-4 https://www.jk-sci.com/products/s57c1822846 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348032.png?v=1775074934 (2S,3aS,7aS)-Ethyl octahydro-1H-indole-2-carboxylate hydrochloride | 82864-25-3 (2S,3aS,7aS)-Ethyl octahydro-1H-indole-2-carboxylate hydrochloride|C1822846|82864-25-3 https://www.jk-sci.com/products/s57c1829992 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439476.png?v=1775074938 L-Prolyl-L-proline hydrochloride | 76932-06-4 L-Prolyl-L-proline hydrochloride|C1829992|76932-06-4 https://www.jk-sci.com/products/s57c1894154 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214114_8d3c4c44-81da-40f8-b036-476f6ee63291.png?v=1775074943 Rupatadine Impurity 4 | 3099-31-8 Rupatadine Impurity 4|C1894154|3099-31-8 https://www.jk-sci.com/products/j5330769 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71b1f21e8a94f5dae4995b69f2117f90.jpg?v=1776363178 2-Iodopyridine | 5029-67-4 2-Iodopyridine|30769|5029-67-4 https://www.jk-sci.com/products/s57c1916857 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313985_21eea85a-91bd-4715-aba3-1074b6b96d5a.png?v=1775074952 4-chloro-acetoaceticacimethylester | 32807-28-6 4-chloro-acetoaceticacimethylester|C1916857|32807-28-6 https://www.jk-sci.com/products/s57c1925302 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/366741_1e2119c2-6a33-485f-8888-9eeb6c7b92e3.png?v=1775074966 4-Methylmorpholine 4-oxide | 7529-22-8 4-Methylmorpholine 4-oxide|C1925302|7529-22-8 https://www.jk-sci.com/products/j5330792 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01befa6bdd631a85f6668f28c844c776.jpg?v=1776363253 3-Deoxy-D-glycero-D-galacto-2-nonulosonic acid | 112543-66-5 3-Deoxy-D-glycero-D-galacto-2-nonulosonic acid|30792|112543-66-5 https://www.jk-sci.com/products/j5330788 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a788204fec66893d897bdb9b00f422bd.jpg?v=1776363240 D-Mannosamine hydrochloride | 5505-63-5 D-Mannosamine hydrochloride|30788|5505-63-5 https://www.jk-sci.com/products/j5330804 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25244aa1a843fd6d05ff0e030c0b82ba.jpg?v=1776363279 Ribavirin | 36791-04-5 Ribavirin|30804|36791-04-5 https://www.jk-sci.com/products/s57c3d-2951 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407715_f3b0e2a0-0700-4589-9adb-9dec9fec83a7.png?v=1775074970 Tris(Hydroxymethyl)Aminomethane | 77-86-1 Tris(Hydroxymethyl)Aminomethane|C3D-2951|77-86-1 https://www.jk-sci.com/products/j5330998 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec33e6e44cf2bed7ccf6fd3ca2ea4e4a.jpg?v=1776363375 4-Bromo-4'-iodobiphenyl | 105946-82-5 4-Bromo-4'-iodobiphenyl|30998|105946-82-5 https://www.jk-sci.com/products/s57c3d-5024 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0121ef13691fd09383d9ce7d8ba36d0e.jpg?v=1776403770 1,3-Dibromo-5-methoxybenzene | 74137-36-3 1,3-Dibromo-5-methoxybenzene|C3D-5024|74137-36-3 https://www.jk-sci.com/products/j5331113 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9382dc23a9b80e588781b2297b1ce33f.jpg?v=1776363446 Fmoc-S-4-methyltrityl-D-cysteine | 252206-29-4 Fmoc-S-4-methyltrityl-D-cysteine|31113|252206-29-4 https://www.jk-sci.com/products/j5331191 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e5fde5318f74a734c0e48320bf519b7.jpg?v=1776363495 1-Octen-3-ol | 3391-86-4 1-Octen-3-ol|31191|3391-86-4 https://www.jk-sci.com/products/s57c4x-28982 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9d1439ed7f13f118b2b20ee981b50a.jpg?v=1776418762 Buprenorphine Impurity 2 | 2136287-63-1 Buprenorphine Impurity 2|C4X-28982|2136287-63-1 https://www.jk-sci.com/products/s57c3d-5139 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323709_9b17dc27-c454-4d66-bcb1-4c5276a95539.png?v=1775076120 2-([1,1'-biphenyl]-4-yl)acetonitrile | 31603-77-7 2-([1,1'-biphenyl]-4-yl)acetonitrile|C3D-5139|31603-77-7 https://www.jk-sci.com/products/s57c3d-5762 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501527.png?v=1775074990 4-Bromophenylacetic Acid | 1878-68-8 4-Bromophenylacetic Acid|C3D-5762|1878-68-8 https://www.jk-sci.com/products/j5331203 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c87a83bd8c469865cdea4fad0f54928b.jpg?v=1776363520 2-Fluoro-1,3-dimethylimidazolidinium hexafluorophosphate | 164298-27-5 2-Fluoro-1,3-dimethylimidazolidinium hexafluorophosphate|31203|164298-27-5 https://www.jk-sci.com/products/s57c4x-29032 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dc2cf875-7f68-4f2e-8ecf-cb792a5aac7b.png?v=1774662248 Pemafibrate Impurity 2 Pemafibrate Impurity 2|C4X-29032 https://www.jk-sci.com/products/j5331208 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a48811c42f02ea43de7cc7e15179792.jpg?v=1776363533 O-(endo-5-Norbornene-2,3-dicarboximido)- N,N,N’,N’-tetramethyluronium hexafluorophosphate | 208462-94-6 O-(endo-5-Norbornene-2,3-dicarboximido)- N,N,N’,N’-tetramethyluronium hexafluorophosphate|31208|208462-94-6 https://www.jk-sci.com/products/s57c4x-1020208 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13e493e17f6722cc6636a8e3c9ee04de.jpg?v=1776404534 Vonoprazan Impurity 207 | 2304978-33-2 Vonoprazan Impurity 207|C4X-1020208|2304978-33-2 https://www.jk-sci.com/products/s57c4x-102065 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7982e6418b134022873af311330e972f.jpg?v=1776404588 Vonoprazan Impurity 65 | 1610043-62-3 Vonoprazan Impurity 65|C4X-102065|1610043-62-3 https://www.jk-sci.com/products/j5331214 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0be0ef1ef63ea2f3aa15095bbe12a9c.jpg?v=1776363549 Isobutyl 1,2-dihydro-2-isobutoxy-1-quinolinecarboxylate | 38428-14-7 Isobutyl 1,2-dihydro-2-isobutoxy-1-quinolinecarboxylate|31214|38428-14-7 https://www.jk-sci.com/products/s57c4x-291514 2026-07-21T11:22:31-07:00 daily https://www.jk-sci.com/products/s57c4x-102071 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e075952fd3e5ec6937e4f81acea6c4d.jpg?v=1776404600 Vonoprazan Fumarate Impurity 71 | 1060802-18-7 Vonoprazan Fumarate Impurity 71|C4X-102071|1060802-18-7 https://www.jk-sci.com/products/j5331240 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207a4bf20347ef8f172fad83efc263d8.jpg?v=1776363622 Diphenylmethylene-glycine benzyl ester | 81477-91-0 Diphenylmethylene-glycine benzyl ester|31240|81477-91-0 https://www.jk-sci.com/products/j5331228 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac9a5a08a2411c8281e1a9b7df1fa621.jpg?v=1776363592 Pentafluorophenyl diphenylphosphinate | 138687-69-1 Pentafluorophenyl diphenylphosphinate|31228|138687-69-1 https://www.jk-sci.com/products/s57c4x-1028 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a11c9128abe2c04380d9ab559b4dc5b.jpg?v=1776404693 Lurasidone HCl | 367514-88-3 Lurasidone HCl|C4X-1028|367514-88-3 https://www.jk-sci.com/products/j5331265 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af6b4cd8e554d302d9d17b5865872e7f.jpg?v=1776363702 Triethylmethylammonium tetrafluoroborate | 69444-47-9 Triethylmethylammonium tetrafluoroborate|31265|69444-47-9 https://www.jk-sci.com/products/j5331252 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21a294a35323f40578abb680963243eb.jpg?v=1776363663 Triphenylmethylamine | 5824-40-8 Triphenylmethylamine|31252|5824-40-8 https://www.jk-sci.com/products/s57c4x-103232 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48f7372330f953c66151348274bf51d7.jpg?v=1776404818 Mirabegron Impurity 32 | 1310279-36-7 Mirabegron Impurity 32|C4X-103232|1310279-36-7 https://www.jk-sci.com/products/s57c4x-29204 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bad8ebd4-49cb-444a-b9f4-a47f10403637.png?v=1774666070 Probucol Impurity 4 Probucol Impurity 4|C4X-29204 https://www.jk-sci.com/products/j5331259 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e36425bc6e378748511981af0f645d7.jpg?v=1776363685 2,6-Dichloro-4-(trifluoromethyl)aniline | 24279-39-8 2,6-Dichloro-4-(trifluoromethyl)aniline|31259|24279-39-8 https://www.jk-sci.com/products/j5331305 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eeb12fea2793dca374439b072a46a8c.jpg?v=1776363783 Ethyl acetohydroxamate | 10576-12-2 Ethyl acetohydroxamate|31305|10576-12-2 https://www.jk-sci.com/products/j5331322 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/baec34e90c4f1edbdee4bca055e95d21.jpg?v=1776363821 Pentafluorophenyl acetate | 19220-93-0 Pentafluorophenyl acetate|31322|19220-93-0 https://www.jk-sci.com/products/j5331280 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244ae44e2ef7b1aba129902c5697b873.jpg?v=1776363729 Cyclopropaneamidine hydrochloride | 57297-29-7 Cyclopropaneamidine hydrochloride|31280|57297-29-7 https://www.jk-sci.com/products/s57c4x-105465 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd70480c7e7a5abe5cc871cb0f46d4c0.jpg?v=1776405212 Tedizolid Impurity 65 | 380380-60-9 Tedizolid Impurity 65|C4X-105465|380380-60-9 https://www.jk-sci.com/products/s57c4x-29244 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29248c76ddca08a819ed5557cc48cb47.jpg?v=1776418808 Mirogabalin Impurity 4 | 344428-05-3 Mirogabalin Impurity 4|C4X-29244|344428-05-3 https://www.jk-sci.com/products/s57c4x-105491 2026-07-21T11:22:31-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe28aaa05381f477bf569505d96bf52f.jpg?v=1776405234 Tedizolid Impurity 91 | 1259078-16-4 Tedizolid Impurity 91|C4X-105491|1259078-16-4