https://www.jk-sci.com/products/s57c4x-312854 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cb5b4439d4c18d844c77abfb5f80b67.jpg?v=1791367320 Nemonoxacin Impurity 54, 99.80% | 269407-02-5 Nemonoxacin Impurity 54|C4X-312854|269407-02-5 https://www.jk-sci.com/products/j5328883 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27521ce18b4848ada5d3734fe6f36b99.jpg?v=1791399886 2-Amino-3-nitro-5-fluoropyridine, Purity by HPLC ≥ 99% | 212268-12-7 2-Amino-3-nitro-5-fluoropyridine|28883|212268-12-7 https://www.jk-sci.com/products/s57c4x-13663 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499429.png?v=1791379605 Voriconazole EP Impurity C, 94.00% | 137234-88-9 Voriconazole EP Impurity C|C4X-13663|137234-88-9 https://www.jk-sci.com/products/j5328905 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ec6e4601975808b11d56803a1825e3d.jpg?v=1791399865 2-Chloro-4-iodobenzoic acid, Assay ≥ 99% | 145343-76-6 2-Chloro-4-iodobenzoic acid|28905|145343-76-6 https://www.jk-sci.com/products/s57c4x-13698 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e68577fb-f176-4e90-aab5-6a9ae2ef8620.png?v=1791379502 Mianserin EP Impurity B, 92.10% Mianserin EP Impurity B|C4X-13698 https://www.jk-sci.com/products/s57c4x-13847 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487100_d7cf30d7-3982-49f8-a048-3c7f655bca7f.png?v=1791379285 Rivastigmine EP Impurity G, 97.40% | 23308-82-9 Rivastigmine EP Impurity G|C4X-13847|23308-82-9 https://www.jk-sci.com/products/s57c4x-312863 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e07f9522b6d8e7dc133464143cac521.jpg?v=1791367316 Nemonoxacin Impurity 63, 97.30% | 951163-62-5 Nemonoxacin Impurity 63|C4X-312863|951163-62-5 https://www.jk-sci.com/products/s57c4x-13933 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb513659e37810c72a66f4437950f4b8.jpg?v=1791379136 Alfacalcidol EP Impurity C, 99.70% | 82266-85-1 Alfacalcidol EP Impurity C|C4X-13933|82266-85-1 https://www.jk-sci.com/products/s57c4x-312866 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b8f82562f4f5da143c8aae8d670cb5e.jpg?v=1791367312 Nemonoxacin Impurity 66, 94.70% | 951163-64-7 Nemonoxacin Impurity 66|C4X-312866|951163-64-7 https://www.jk-sci.com/products/s57c4x-13944 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402557.png?v=1791379125 Ondansetron EP Impurity D, 96.00% | 99614-64-9 Ondansetron EP Impurity D|C4X-13944|99614-64-9 https://www.jk-sci.com/products/j5328927 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc3b3e48d7518e9d7e7b2e0fce00a7a6.jpg?v=1791399840 3-(Hydroxymethyl)benzoic acid, Purity by HPLC ≥ 98% | 28286-79-5 3-(Hydroxymethyl)benzoic acid|28927|28286-79-5 https://www.jk-sci.com/products/j5328915 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5821dafdd7693712d93894a46b1fed6b.jpg?v=1791399860 2-Amino-3-methyl-benzoic acid methyl ester, Assay ≥ 99% | 22223-49-0 2-Amino-3-methyl-benzoic acid methyl ester|28915|22223-49-0 https://www.jk-sci.com/products/s57c4x-31287 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5d081d17-c969-4210-b1e5-8362ffd7a173.png?v=1791367307 Nemonoxacin Impurity 7, 80.30% Nemonoxacin Impurity 7|C4X-31287 https://www.jk-sci.com/products/s57c4x-31288 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cae0b10854f2b17c2959825e911f0c5c.jpg?v=1791367303 Nemonoxacin Impurity 8, 97.30% | 378746-65-7 Nemonoxacin Impurity 8|C4X-31288|378746-65-7 https://www.jk-sci.com/products/s57c4x-139652 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb086e101f90e1f8f1818ea4677a10d2.jpg?v=1791379027 Azelastine Impurity 52, 98.60% | 1107016-94-3 Azelastine Impurity 52|C4X-139652|1107016-94-3 https://www.jk-sci.com/products/s57c4x-312883 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_222e76e4-ec62-41ab-96cd-320388dd6d2e.png?v=1791367302 Nemonoxacin Impurity 83, 92.60% Nemonoxacin Impurity 83|C4X-312883 https://www.jk-sci.com/products/s57c4x-31289 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b82081d-29e8-403e-86b7-6aca8135ce66.png?v=1791367297 Nemonoxacin Impurity 9, 97.20% Nemonoxacin Impurity 9|C4X-31289 https://www.jk-sci.com/products/s57c1012834 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca0947405268271149d6ea9a7ecd1ccf.jpg?v=1791391550 5-Bromo-2-fluoro-N-methylbenzamide, Purity: 100.0% | 1016777-86-8 5-Bromo-2-fluoro-N-methylbenzamide|C1012834|1016777-86-8 https://www.jk-sci.com/products/s57c1217325 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67dad975e6b5f9be92aa7bf2283c0c71.jpg?v=1791391253 3-Methyl-1H-pyrazol-5-ol, 99.70% | 132712-71-1 3-Methyl-1H-pyrazol-5-ol|C1217325|132712-71-1 https://www.jk-sci.com/products/s57c4x-312895 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d80fb3f8-4251-4484-bc88-426992c0bb08.png?v=1791367292 Nemonoxacin Malate 1/2H2O, 99.90% Nemonoxacin Malate 1/2H2O|C4X-312895 https://www.jk-sci.com/products/s57c4x-31391 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5343eedc-d977-4f44-ab26-f88824c620c2.png?v=1791367291 BPA Impurity 1, 99.60% BPA Impurity 1|C4X-31391 https://www.jk-sci.com/products/s57c4x-3152 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340144.png?v=1791367286 Mifobate, 100.00% | 76541-72-5 Mifobate|C4X-3152|76541-72-5 https://www.jk-sci.com/products/s57c4x-31731 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef8b5c263f022e10079d3a184cd62538.jpg?v=1791367283 Adenosine Cyclophosphate Impurity 1, 96.10% | 32465-18-2 Adenosine Cyclophosphate Impurity 1|C4X-31731|32465-18-2 https://www.jk-sci.com/products/j5328934 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515d4331a07a0374667b79c1ebbce242.jpg?v=1791399830 2-Bromo-4-methoxypyridine, Purity by GC ≥ 98% | 89488-29-9 2-Bromo-4-methoxypyridine|28934|89488-29-9 https://www.jk-sci.com/products/s57c1349923 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e65edec0bd76ccc749b00306ea24bd9.jpg?v=1791391032 4-Isopropylbenzenesulfonic acid, 80.60% | 16066-35-6 4-Isopropylbenzenesulfonic acid|C1349923|16066-35-6 https://www.jk-sci.com/products/s57c1427241 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2eb15ec561b9b68ea501a65923c1bfa.jpg?v=1791390933 2-Amino-5-Fluoro-4-Nitrophenol, 89.60% | 1850312-96-7 2-Amino-5-Fluoro-4-Nitrophenol|C1427241|1850312-96-7 https://www.jk-sci.com/products/s57c4x-32327 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d101012-bfe6-4751-bcf7-996b26630dfe.png?v=1791367271 Elacestrant Impurity 7, 99.20% Elacestrant Impurity 7|C4X-32327 https://www.jk-sci.com/products/s57c4x-31801 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/673851d4a91c85e1e8da726777376164.jpg?v=1791367281 (R)-1-(2-Aminoacetyl)-4,4-difluoropyrrolidine-2-carbonitrile hydrochloride, 83.20% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45a4d4334caa5077ec16a43c05efb782.jpg?v=1791390636 2,3,3-Trimethyl-3H-benzo[g]indole, Purity: 99.9% | 74470-85-2 2,3,3-Trimethyl-3H-benzo[g]indole|C1595080|74470-85-2 https://www.jk-sci.com/products/s57c4x-320014 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7433152af7f5ddc271914472c02fb546.jpg?v=1791367277 Vazegepant Impurity 14, 91.60% | 928014-62-4 Vazegepant Impurity 14|C4X-320014|928014-62-4 https://www.jk-sci.com/products/s57c4x-323415 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d916384a3979deeb8bfc829b1b7c094f.jpg?v=1791367267 Orforglipron Impurity 15, 97.10% | 3067284-94-7 Orforglipron Impurity 15|C4X-323415|3067284-94-7 https://www.jk-sci.com/products/s57c1625303 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/545709.png?v=1791390537 2-Chlorostyrene, 96.10% | 2039-87-4 2-Chlorostyrene|C1625303|2039-87-4 https://www.jk-sci.com/products/s57c4x-323427 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7d206b6989e1bc67e0a8e8407f511b1_917b85ec-cc07-482a-b6ec-f0473b675624.jpg?v=1791367264 Orforglipron impurity 27, 99.20% | 465529-57-1 Orforglipron impurity 27|C4X-323427|465529-57-1 https://www.jk-sci.com/products/s57c1732158 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353008_ef4529fe-a3b1-469d-8281-f1690941ff49.png?v=1791390347 Ethyl Pyrazole-4-carboxylate, 99.50% | 37622-90-5 Ethyl Pyrazole-4-carboxylate|C1732158|37622-90-5 https://www.jk-sci.com/products/j5328941 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a09e5c883a203884c8c7be16230994.jpg?v=1791399825 1-Phenyl-3-chloro-1-propyne, Purity by GC ≥ 97% | 3355-31-5 1-Phenyl-3-chloro-1-propyne|28941|3355-31-5 https://www.jk-sci.com/products/s57c1756912 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa26b20972e1f96d81a227b58c348955.jpg?v=1791390310 5-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ol, Purity: 98.4% | 32920-08-4 5-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ol|C1756912|32920-08-4 https://www.jk-sci.com/products/s57c4x-323432 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_32f3aa00-657d-4939-83d2-c102385e7c92.png?v=1791367261 Orforglipron impurity 32, 96.70% Orforglipron impurity 32|C4X-323432 https://www.jk-sci.com/products/s57c1764692 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50424414136b21084f281b73e920ef19.jpg?v=1791390303 6,6'-Disulfanediylbis(2,4-di-tert-butylphenol), Purity: 97.8% | 64953-47-5 6,6'-Disulfanediylbis(2,4-di-tert-butylphenol)|C1764692|64953-47-5 https://www.jk-sci.com/products/s57c1826854 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e52f6e6b0a7e43388e2d32ddbd275f44.jpg?v=1791390001 Hydroxychloroquine Impurity N54, 99.40% | 5448-52-2 Hydroxychloroquine Impurity N54|C1826854|5448-52-2 https://www.jk-sci.com/products/s57c4x-323444 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d3fbe57-a417-436b-9b0c-da2d7d181394.png?v=1791367256 Orforglipron Impurity 44, 96.90% Orforglipron Impurity 44|C4X-323444 https://www.jk-sci.com/products/s57c1890922 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162022.png?v=1791389793 Propyl 2-hydroxybenzoate, 94.90% | 607-90-9 Propyl 2-hydroxybenzoate|C1890922|607-90-9 https://www.jk-sci.com/products/j5328963 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da842735292576dd222c39df58472b5e.jpg?v=1791399801 (R)-N-(tert-butoxycarbonyl)-3-hydroxypiperidine, Purity ≥ 99% | 143900-43-0 (R)-N-(tert-butoxycarbonyl)-3-hydroxypiperidine|28963|143900-43-0 https://www.jk-sci.com/products/s57c4x-323451 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac62af6c-85d5-4b5d-86d1-c68c7c1d1a43.png?v=1791367252 Orforglipron Impurity 51, 98.40% Orforglipron Impurity 51|C4X-323451 https://www.jk-sci.com/products/s57c3d-1922 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355403.png?v=1791389372 1-Methyl-3-pyrrolidinol, 93.40% | 13220-33-2 1-Methyl-3-pyrrolidinol|C3D-1922|13220-33-2 https://www.jk-sci.com/products/s57c4x-323465 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8233ac20-b008-4ee2-9f45-901b23646163.png?v=1791367252 Orforglipron impurity 65, 99.00% Orforglipron impurity 65|C4X-323465 https://www.jk-sci.com/products/j5328973 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cf740ec07073c34ad3c93be4c499c0e.jpg?v=1791399790 5-Bromo-2-hydroxy-4-methyl-3-nitropyridine, Purity by HPLC ≥ 98% | 228410-90-0 5-Bromo-2-hydroxy-4-methyl-3-nitropyridine|28973|228410-90-0 https://www.jk-sci.com/products/s57c4x-323480 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d108fb00-b7b2-4eeb-9922-4c6241a04924.png?v=1791367246 Orforglipron impurity 80, 99.10% Orforglipron impurity 80|C4X-323480 https://www.jk-sci.com/products/s57c3d-2941 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5115f504f7ce4f18b6c7e24a9fc657c6.jpg?v=1791388915 2-Naphthol-6,8-Disulfonic Acid Disodium Salt, Purity: 98.6% | 842-19-3 2-Naphthol-6,8-Disulfonic Acid Disodium Salt|C3D-2941|842-19-3 https://www.jk-sci.com/products/s57c3d-3042 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e9aeb7a65b8675506a9dcb6e99ab637.jpg?v=1791388905 N-Nitrosoisopropylethyl Amine (Mixture of Isomers), 97.90% | 16339-04-1 N-Nitrosoisopropylethyl Amine (Mixture of Isomers)|C3D-3042|16339-04-1 https://www.jk-sci.com/products/s57c4x-32372 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43bd6212816d6300a5c3f2e36ccb9065.jpg?v=1791367242 Gastrodin impurity 2, Purity: 99.9% | 31873-42-4 Gastrodin impurity 2|C4X-32372|31873-42-4 https://www.jk-sci.com/products/s57c4x-324712 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b2988275-84a3-46b4-94ac-e56674b4298e.png?v=1791367237 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2, 98.20% 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3fe79c022eb1a9a2e074ac954c7dc23.jpg?v=1791401360 3,3-Dimethylbutyraldehyde, Purity by GC ≥ 99% | 2987-16-8 3,3-Dimethylbutyraldehyde|27622|2987-16-8 https://www.jk-sci.com/products/s57c4x-324714 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_788443ca-8e48-4a8e-b2f3-61afed45403a.png?v=1791367232 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-D-Arg-NH2, 69.80% 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_50a72a78-7afe-42b2-8f33-1ff7e094619f.png?v=1791367228 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-Arg-D-Arg-D-Ala-D-Arg-NH2, 96.50% 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368418_150b8f0e-f217-4994-b4ac-78a584ced371.png?v=1791387863 2-(Diethoxyphosphoryl)acetic acid, 92.60% | 3095-95-2 2-(Diethoxyphosphoryl)acetic acid|C4X-100645|3095-95-2 https://www.jk-sci.com/products/s57c4x-10101 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd18a4011cd40ba2c635036b584ec287.jpg?v=1791387708 Acyclovir EP Impurity C, 97.20% | 91702-61-3 Acyclovir EP Impurity C|C4X-10101|91702-61-3 https://www.jk-sci.com/products/j5328132 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00c1eeb09d8c97f803923d9a54886bdc.jpg?v=1791400811 4-Ethynylaniline, Purity by HPLC ≥ 98% | 14235-81-5 4-Ethynylaniline|28132|14235-81-5 https://www.jk-sci.com/products/j5327916 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d08949beeee868eab68cd16c9183ea63.jpg?v=1791400989 4-Amino-3,5-dichloropyridine, Purity by HPLC ≥ 99% | 228809-78-7 4-Amino-3,5-dichloropyridine|27916|228809-78-7 https://www.jk-sci.com/products/j5328228 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0780058dbf00e546b5b06a35721e2f7.jpg?v=1791400703 (2-Benzothiazolylthio)acetic acid, Assay by titration ≥ 98% | 6295-57-4 (2-Benzothiazolylthio)acetic acid|28228|6295-57-4 https://www.jk-sci.com/products/s57c4x-10209 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6cd8eeb3-975f-46d3-a7cf-558a8772d038.png?v=1791387358 Vonoprazan Fumarate Impurity 9, Purity: 99.9% | 14476-72-3 Vonoprazan Fumarate Impurity 9|C4X-10209|14476-72-3 https://www.jk-sci.com/products/s57c4x-324720 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_473b92ec-6dcc-4ec0-9337-0b2f1cb95d8b.png?v=1791367223 Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Ala-D-Arg-NH2, 97.00% Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Ala-D-Arg-NH2|C4X-324720 https://www.jk-sci.com/products/s57c4x-102982 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddb1d65493078134f57f48b973e24cb2.jpg?v=1791387146 Clopidogrel Impurity 82, Purity: 99.8% | 1015247-87-6 Clopidogrel Impurity 82|C4X-102982|1015247-87-6 https://www.jk-sci.com/products/s57c4x-32478 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77525940-75c5-4d01-b1c0-d9ae2668a96a.png?v=1791367222 Ac-D-Cys(H-Cys-OH)-D-AIa-D-Arg-D-Arg-D-Arg-D-Arg-NH2, 96.90% 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32e1bdab9fdd0e7e2da099e64e1a8e5f.jpg?v=1791400640 4-Ethoxy-3-aminopyridine, Purity by GC ≥ 99% | 1633-43-8 4-Ethoxy-3-aminopyridine|28271|1633-43-8 https://www.jk-sci.com/products/j5328328 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/658fba365822aa8e9f2794b246757080.jpg?v=1791400568 6-Methyl-2-pyridinone, Purity by HPLC ≥ 97% | 3279-76-3 6-Methyl-2-pyridinone|28328|3279-76-3 https://www.jk-sci.com/products/j5328425 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09113e7fd63b30ec2aab3d4514d63dfa.jpg?v=1791400463 5-Amino-2-methylpyridine, Purity by HPLC ≥ 98% | 3430-14-6 5-Amino-2-methylpyridine|28425|3430-14-6 https://www.jk-sci.com/products/s57c4x-103721 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19b6116c967a6bb5e05d41d8332441e5.jpg?v=1791386992 Pitavastatin Impurity 21, 99.50% | 154057-56-4 Pitavastatin Impurity 21|C4X-103721|154057-56-4 https://www.jk-sci.com/products/j5328482 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fab99787d3a7077955f7b5e1151baae.jpg?v=1791400380 3-Bromo-4-ethoxybenzoic acid, Purity by HPLC ≥ 99% | 24507-29-7 3-Bromo-4-ethoxybenzoic acid|28482|24507-29-7 https://www.jk-sci.com/products/s57c4x-1043 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549485_c17bade1-520c-435c-82b9-8026c4dda9f3.png?v=1791386921 Celecoxib, 99.00% | 169590-42-5 Celecoxib|C4X-1043|169590-42-5 https://www.jk-sci.com/products/s57c4x-32481 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dae2e76c9183dd03b9da9a39c2345d27.jpg?v=1791367214 Lenacapavir Impurity 1, Purity: 100.0% | 2189684-54-4 Lenacapavir Impurity 1|C4X-32481|2189684-54-4 https://www.jk-sci.com/products/s57c4x-10474 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8625bb19961cefc39b72d84599a32671.jpg?v=1791386809 Regorafenib Impurity 4, Purity: 100.0% | 1187945-05-6 Regorafenib Impurity 4|C4X-10474|1187945-05-6 https://www.jk-sci.com/products/j5328526 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/722266a9032b67c93c8c0436b704f6ff.jpg?v=1791400331 5-Amino-2-bromopyridine, Purity by GC ≥ 98.5% | 13534-97-9 5-Amino-2-bromopyridine|28526|13534-97-9 https://www.jk-sci.com/products/s57c4x-10562 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299087.png?v=1791386569 Vortioxetine Impurity 2, 98.60% | 1011-13-8 Vortioxetine Impurity 2|C4X-10562|1011-13-8 https://www.jk-sci.com/products/s57c4x-10563 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3af21694a13ed77cacbe355ed5e9bc51.jpg?v=1791386564 Vortioxetine Impurity 3, Purity: 99.5% | 960203-41-2 Vortioxetine Impurity 3|C4X-10563|960203-41-2 https://www.jk-sci.com/products/j5328553 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d03940f3156973e58afe9706b6c03b79.jpg?v=1791400294 3-Bromo-2-chloro-5-methylpyridine, Purity by HPLC ≥ 98% | 17282-03-0 3-Bromo-2-chloro-5-methylpyridine|28553|17282-03-0 https://www.jk-sci.com/products/s57c4x-10674 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f4da1c6b9c15268f84028926dda291f_5fef85dc-e2d1-461a-a687-32d45b04e18f.jpg?v=1791386036 Levetiracetam EP Impurity D, 91.00% | 103765-01-1 Levetiracetam EP Impurity D|C4X-10674|103765-01-1 https://www.jk-sci.com/products/s57c4x-107329 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d9a6ee1a4edbe313b5372ff5b61a991.jpg?v=1791385818 Linezolid Impurity 29, 99.70% | 496031-57-3 Linezolid Impurity 29|C4X-107329|496031-57-3 https://www.jk-sci.com/products/j5328596 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59dbdea9a74b4c3cb786d0f89e5cdebe.jpg?v=1791400242 2-Amino-3-nitrobenzoic acid methyl ester, Purity by HPLC ≥ 98% | 57113-91-4 2-Amino-3-nitrobenzoic acid methyl ester|28596|57113-91-4 https://www.jk-sci.com/products/s57c4x-1088 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22ed80c965d2eaca0ab5cc5b0ea399de.jpg?v=1791385079 Apixaban, 98.90% | 503612-47-3 Apixaban|C4X-1088|503612-47-3 https://www.jk-sci.com/products/j5328622 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d34131bcbbdec14c655ee285f65a231.jpg?v=1791400219 5-Cyano-2-methoxyphenol, Purity by HPLC ≥ 99% | 52805-46-6 5-Cyano-2-methoxyphenol|28622|52805-46-6 https://www.jk-sci.com/products/s57c4x-119012 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f279425b043621317928a9858036014b.jpg?v=1791382041 Captopril EP Impurity D, Purity: 100.0% | 56970-78-6 Captopril EP Impurity D|C4X-119012|56970-78-6 https://www.jk-sci.com/products/j5328693 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abe24e150d915831d425b6c41e48df1f.jpg?v=1791400136 2-Bromo-5-chloro-3-methylpyridine, Purity by GC ≥ 97% | 65550-77-8 2-Bromo-5-chloro-3-methylpyridine|28693|65550-77-8 https://www.jk-sci.com/products/j5328645 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b693b49c80f1468aa4f5b54a8ea2da72.jpg?v=1791400184 4-Chloro-2-methoxybenzyl alcohol, Purity by GC ≥ 99% | 55685-75-1 4-Chloro-2-methoxybenzyl alcohol|28645|55685-75-1 https://www.jk-sci.com/products/j5328719 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18979196f419015aaf1cbe3bdf986e5b.jpg?v=1791400104 3-Bromophenylmethylsulfone, Purity by GC ≥ 99% | 34896-80-5 3-Bromophenylmethylsulfone|28719|34896-80-5 https://www.jk-sci.com/products/s57c4x-13403 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223161.png?v=1791380062 Clozapine EP impurity C, 96.90% | 6104-71-8 Clozapine EP impurity C|C4X-13403|6104-71-8 https://www.jk-sci.com/products/s57c4x-135917 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bc0928e1c2949b4e42bb63d29a23d4e.jpg?v=1791379717 Telmisartan Impurity 17, 97.10% | 1352492-08-0 Telmisartan Impurity 17|C4X-135917|1352492-08-0 https://www.jk-sci.com/products/s57c4x-136221 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436862.png?v=1791379664 Ciprofloxacin Impurity 21, 95.30% | 93594-39-9 Ciprofloxacin Impurity 21|C4X-136221|93594-39-9 https://www.jk-sci.com/products/s57c4x-136911 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589842_92b29596-169a-4655-8a30-4399eefa5c48.png?v=1791379515 Mianserin Impurity 11, 99.10% | 5344-90-1 Mianserin Impurity 11|C4X-136911|5344-90-1 https://www.jk-sci.com/products/s57c4x-13891 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428068.png?v=1791379232 Budesonide EP Impurity A, 99.30% | 13951-70-7 Budesonide EP Impurity A|C4X-13891|13951-70-7 https://www.jk-sci.com/products/j5328737 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2872497eb88ee7d757445c9a1f145f03.jpg?v=1791400086 3-Bromo-2-hydroxypyridine, Purity by HPLC ≥ 98.5% | 13466-43-8 3-Bromo-2-hydroxypyridine|28737|13466-43-8 https://www.jk-sci.com/products/j5328754 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/926fd107507c97fc39a01ffe8c8fb5db.jpg?v=1791400067 Boc-1-Amino-1-cyclooctanecarboxylic acid, Purity by HPLC ≥ 97% | 199330-75-1 Boc-1-Amino-1-cyclooctanecarboxylic acid|28754|199330-75-1 https://www.jk-sci.com/products/j5328770 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68c476a02ab2980974b77027192f875a.jpg?v=1791400053 5-Bromo-2-chloro-4-methylpyridine, Purity by GC ≥ 98% | 778611-64-6 5-Bromo-2-chloro-4-methylpyridine|28770|778611-64-6 https://www.jk-sci.com/products/j5328791 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/542679c6a39a4d6c67eb843bfb598456.jpg?v=1791400033 2-Amino-4-pyridinecarbamide, Purity by HPLC ≥ 97% | 13538-42-6 2-Amino-4-pyridinecarbamide|28791|13538-42-6 https://www.jk-sci.com/products/s57c4x-138921 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a558a993a527ea5631cfe8f090919ab2.jpg?v=1791379219 Budesonide Impurity 21, 97.30% | 85234-64-6 Budesonide Impurity 21|C4X-138921|85234-64-6 https://www.jk-sci.com/products/s57c1117555 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18d625a75a3ba9e497f1d2c42fb636d5_75dfb997-2ef2-4d93-aed2-f92f4618ad81.jpg?v=1791391364 Oclacitinib Maleate, 100.00% | 1208319-27-0 Oclacitinib Maleate|C1117555|1208319-27-0 https://www.jk-sci.com/products/j5328779 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b048e67b46a9f9cd05ca8e2dc6974098.jpg?v=1791400043 2-Bromo-4-nitropyridine, Purity by HPLC ≥ 98% | 6945-67-1 2-Bromo-4-nitropyridine|28779|6945-67-1 https://www.jk-sci.com/products/s57c1365621 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd2c4f32a0c364ec1e914f54c11d146.jpg?v=1791390997 3-Chloro-2-formylbenzoic acid, 99.90% | 169310-05-8 3-Chloro-2-formylbenzoic acid|C1365621|169310-05-8 https://www.jk-sci.com/products/j5328802 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2460e00d005d91a82d52269967cec090.jpg?v=1791400010 Neohesperidin dihydrochalcone hydrate, Purity by HPLC ≥ 98% | 20702-77-6 Neohesperidin dihydrochalcone hydrate|28802|20702-77-6 https://www.jk-sci.com/products/s57c1468010 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1eac447ac54e8f4eb2768c1a99a74671.jpg?v=1791390885 (2R,3R,4S,5R)-5-(hydroxymethyl)tetrahydrofuran-2,3,4-triol, 99.90% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2866dbc95c0fe9f0229689b903ebd44b.jpg?v=1791399982 2-Chloro-5-hydroxybenzoic acid, Purity by HPLC ≥ 98% | 56961-30-9 2-Chloro-5-hydroxybenzoic acid|28820|56961-30-9 https://www.jk-sci.com/products/s57c1732426 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514954.png?v=1791390346 4-Thioureidobenzoic acid, 98.30% | 7366-56-5 4-Thioureidobenzoic acid|C1732426|7366-56-5 https://www.jk-sci.com/products/s57c1796545 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b8b9f95b29b6d6e0c631325c28a2bd0.jpg?v=1791390184 Calcium Dobesilate Impurity N4 Bis-diethylamine Salt, 97.20% | 57775-25-4 Calcium Dobesilate Impurity N4 Bis-diethylamine Salt|C1796545|57775-25-4 https://www.jk-sci.com/products/j5328837 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bacc8f61ee2c9b80170e9a3e6c9e60eb.jpg?v=1791399965 5-Bromo-2,3-dichloropyridine, Purity by GC ≥ 98.5% | 97966-00-2 5-Bromo-2,3-dichloropyridine|28837|97966-00-2 https://www.jk-sci.com/products/s57c1822547 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399416_e9af82c9-761b-4b82-84f1-b45f9cc2ec78.png?v=1791390062 Ethyl Glycidyl Ether, 93.70% | 4016-11-9 Ethyl Glycidyl Ether|C1822547|4016-11-9 https://www.jk-sci.com/products/s57c1843967 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba80d32db3c73edd72827f839da9ce97.jpg?v=1791389919 Methyl 4-hydroxy-3-methoxy-5-nitrobenzoate, 98.90% | 42590-00-1 Methyl 4-hydroxy-3-methoxy-5-nitrobenzoate|C1843967|42590-00-1 https://www.jk-sci.com/products/j5328842 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6deb479211594dbb835144022fea1a42.jpg?v=1791399951 2-Chloro-3-fluoro-4-methylpyridine, Purity by GC ≥ 98% | 881891-82-3 2-Chloro-3-fluoro-4-methylpyridine|28842|881891-82-3 https://www.jk-sci.com/products/s57c1920455 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473485.png?v=1791389560 2-Methylpyrimidine, Purity: 99.4% | 5053-43-0 2-Methylpyrimidine|C1920455|5053-43-0 https://www.jk-sci.com/products/j5328866 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a81bffbef584928356117425c668e0c9.jpg?v=1791399906 3-Bromo-5-chloropyridine, Purity by HPLC ≥ 98% | 73583-39-8 3-Bromo-5-chloropyridine|28866|73583-39-8 https://www.jk-sci.com/products/j5328854 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe0c28892b00c0b292ef646c30c3ef22.jpg?v=1791399932 3-Fluoro-2-nitropyridine, Purity by HPLC ≥ 97% | 54231-35-5 3-Fluoro-2-nitropyridine|28854|54231-35-5 https://www.jk-sci.com/products/j5328889 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2091a7d94bbf391f169ddc5d7028bc4a.jpg?v=1791399880 1-Amino-4-bromoisoquinoline, Purity by HPLC ≥ 98% | 55270-27-4 1-Amino-4-bromoisoquinoline|28889|55270-27-4 https://www.jk-sci.com/products/s57c1926433 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376546_b1ec1c22-4048-44ec-9aeb-6f95090a6cd3.png?v=1791389460 (E)-1,4-Dibromobut-2-ene, 99.20% | 821-06-7 (E)-1,4-Dibromobut-2-ene|C1926433|821-06-7 https://www.jk-sci.com/products/j5328925 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595b476e0c075e7ecff2970310cecc4a.jpg?v=1791399840 3-Furancarboxylic acid methyl ester, Purity by GC ≥ 98% | 13129-23-2 3-Furancarboxylic acid methyl ester|28925|13129-23-2 https://www.jk-sci.com/products/s57c1928900 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308434_54e711b1-8b33-4123-b9fc-7f803bc9ca5a.png?v=1791389447 Benzoic anhydride, 95.90% | 93-97-0 Benzoic anhydride|C1928900|93-97-0 https://www.jk-sci.com/products/s57c3d-25990 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245256_1d9634a3-419b-4d78-91ee-51158599ab57.png?v=1791389147 2,5-Dioxopyrrolidin-1-yl 6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanoate, 97.20% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_284532d2-675c-4209-9306-0180ff920b72.png?v=1791389046 Calcobutrol 1:1 Calcium salt, 92.40% Calcobutrol 1:1 Calcium salt|C3D-262311 https://www.jk-sci.com/products/s57c3d-3630 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402023_f6c70e14-c1f0-4200-9dd2-69ad46f48f8b.png?v=1791388729 3-Chloropropiophenone, 98.20% | 936-59-4 3-Chloropropiophenone|C3D-3630|936-59-4 https://www.jk-sci.com/products/s57c3d-3913 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154503_9e3ae1a2-8b8d-4a4a-b98f-8b1fdc048333.png?v=1791388668 3-Azetidinecarboxylic acid, 99.40% | 36476-78-5 3-Azetidinecarboxylic acid|C3D-3913|36476-78-5 https://www.jk-sci.com/products/s57c3d-4555 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110904.png?v=1791388507 (S)-(+)-2-Amino-1-butanol, Purity: 99.7% | 5856-62-2 (S)-(+)-2-Amino-1-butanol|C3D-4555|5856-62-2 https://www.jk-sci.com/products/j5328940 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e92a8316c5275917dc90067e9bcb9e20.jpg?v=1791399825 4-Methylthiazole-5-carboxylic acid ethyl ester, Purity by GC ≥ 99% | 20582-55-2 4-Methylthiazole-5-carboxylic acid ethyl ester|28940|20582-55-2 https://www.jk-sci.com/products/j5328966 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af69e59d66e1497a4ba01807af61fd93.jpg?v=1791399801 N-Benzyl nortropinone hydrochloride, Purity by GC ≥ 99% | 83393-23-1 N-Benzyl nortropinone hydrochloride|28966|83393-23-1 https://www.jk-sci.com/products/s57c3d-4707 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220486_1cc1f441-bf08-4c04-9e3a-4121ef6d9247.png?v=1791388479 sodium 3-nitrobenzenesulfonate, 92.20% | 127-68-4 sodium 3-nitrobenzenesulfonate|C3D-4707|127-68-4 https://www.jk-sci.com/products/s57c3d-5422 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129254.png?v=1791388323 Sodium Metabisulfite, Purity: 98.0% | 7681-57-4 Sodium Metabisulfite|C3D-5422|7681-57-4 https://www.jk-sci.com/products/s57c3d-6220 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559360.png?v=1791387999 1,5-Hexanediol, 88.30% | 928-40-5 1,5-Hexanediol|C3D-6220|928-40-5 https://www.jk-sci.com/products/s57c4x-102036 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352874ed734bc0d9c4f081828114bc07.jpg?v=1791387420 Vonoprazan Impurity 36, 99.60% | 56448-22-7 Vonoprazan Impurity 36|C4X-102036|56448-22-7 https://www.jk-sci.com/products/s57c4x-101921 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347687_e8feed26-bc10-4c5f-86e0-f53a99a0f8da.png?v=1791387522 Fluconazole Impurity 21, 95.10% | 288-36-8 Fluconazole Impurity 21|C4X-101921|288-36-8 https://www.jk-sci.com/products/s57c4x-104515 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5396853f7035e26215f312dd22721657.jpg?v=1791386847 Amisulpride EP Impurity B Hydrobromide, 93.30% | 2437254-41-4 Amisulpride EP Impurity B Hydrobromide|C4X-104515|2437254-41-4 https://www.jk-sci.com/products/s57c4x-10651 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfee03c7cabe42642dc34e7fee408e4e.jpg?v=1791386218 Empagliflozin Impurity 1, 92.40% | 864070-43-9 Empagliflozin Impurity 1|C4X-10651|864070-43-9 https://www.jk-sci.com/products/j5328986 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0871d3bcbf4d419da6d0c45d709fe630.jpg?v=1791399780 4-Methoxyphenyl b-D-glucopyranoside, Purity by HPLC ≥ 98% | 6032-32-2 4-Methoxyphenyl b-D-glucopyranoside|28986|6032-32-2 https://www.jk-sci.com/products/s57c4x-107410 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa52072bbe07df51a54a0c73ec82571a.jpg?v=1791385791 Moxifloxacin Impurity 10, 99.20% | 172602-83-4 Moxifloxacin Impurity 10|C4X-107410|172602-83-4 https://www.jk-sci.com/products/s57c4x-11406 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230222b529532840586419ed4f6295ee.jpg?v=1791383011 Lenvatinib Impurity 6, 100.00% | 796848-79-8 Lenvatinib Impurity 6|C4X-11406|796848-79-8 https://www.jk-sci.com/products/j5329022 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cca77f49bda3f72265bdf760c6c5e98e.jpg?v=1791399755 2-Bromo-5-chloro-3-nitropyridine, Purity by HPLC ≥ 99% (HPLC) | 75806-86-9 2-Bromo-5-chloro-3-nitropyridine|29022|75806-86-9 https://www.jk-sci.com/products/s57c4x-116017 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb0cff8630a76c59c4bd064378206a5b.jpg?v=1791382698 Cholic Aicd Impurity 17, 96.50% | 2304-91-8 Cholic Aicd Impurity 17|C4X-116017|2304-91-8 https://www.jk-sci.com/products/s57c4x-127210 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fbb24cab178b4204e0405f8dfb4959a.jpg?v=1791380692 Nifuratel Impurity 10, 80.10% | 45378-62-9 Nifuratel Impurity 10|C4X-127210|45378-62-9 https://www.jk-sci.com/products/j5328975 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8edb5970409b783db722ba649fd3d990.jpg?v=1791399786 5-Methoxy-7-azaindole, Purity by HPLC ≥ 97% | 183208-36-8 5-Methoxy-7-azaindole|28975|183208-36-8 https://www.jk-sci.com/products/s57c1023950 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9463afeb8203e4781b4b4ee72f712a.jpg?v=1791391536 2-(2-Hydroxyphenyl)quinazolin-4-ol, 98.70% | 1026-04-6 2-(2-Hydroxyphenyl)quinazolin-4-ol|C1023950|1026-04-6 https://www.jk-sci.com/products/s57c1107097 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/947827a2e9e7e4edf8474f6bb2816049.jpg?v=1791391388 (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, 98.60% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2cfa72bfb694088909b19b5c69d0f69.jpg?v=1791391023 3-(methoxy)-N-(3,5-dichloro-4-pyridinyl) -4-difluoromethoxy) benzamide, 99.80% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_73cbffe3-0e72-44e1-b0a6-d085ed996500.png?v=1791390954 Vortioxetine impurity 114 HCl, 97.70% Vortioxetine impurity 114 HCl|C1416302 https://www.jk-sci.com/products/s57c1577725 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fdea26d4465cb3da3235e3aac450969.jpg?v=1791390670 2-(4-Bromophenyl)acetamide, 99.50% | 74860-13-2 2-(4-Bromophenyl)acetamide|C1577725|74860-13-2 https://www.jk-sci.com/products/j5329025 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b8d3e08440c627b3b974ff3f591d668.jpg?v=1791399750 2-Isopropyl-4-[(N-methylamino)methyl]thiazole dihydrochloride, Assay ≥ 99% || Purity by HPLC ≥ 99% | 1185167-55-8 2-Isopropyl-4-[(N-methylamino)methyl]thiazole dihydrochloride|29025|1185167-55-8 https://www.jk-sci.com/products/s57c1596253 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61b721085918a939d38e12a25c049d18.jpg?v=1791390635 2,3-Dichloro-4-methoxybenzoic acid, 93.20% | 55901-80-9 2,3-Dichloro-4-methoxybenzoic acid|C1596253|55901-80-9 https://www.jk-sci.com/products/j5328999 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ab2767fe59eafbdc7bbaa811bc20dc6.jpg?v=1791399771 3-Bromo-5-hydroxybenzoic acid, Assay 99.5% | 140472-69-1 3-Bromo-5-hydroxybenzoic acid|28999|140472-69-1 https://www.jk-sci.com/products/s57c1711421 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539976.png?v=1791390392 4-Amino-2,1,3-benzothiadiazole, Purity: 95.6% | 767-64-6 4-Amino-2,1,3-benzothiadiazole|C1711421|767-64-6 https://www.jk-sci.com/products/s57c1775498 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518377.png?v=1791390284 6-Nitro-1,2,3,4-tetrahydroquinoxaline, Purity: 99.8% | 41959-35-7 6-Nitro-1,2,3,4-tetrahydroquinoxaline|C1775498|41959-35-7 https://www.jk-sci.com/products/j5329031 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e292def062a756cd18613dad2b6a9911.jpg?v=1791399740 Fmoc-(S)-2-(aminomethyl)-3-methylbutanoic acid, Purity by HPLC ≥ 99% | 203854-59-5 Fmoc-(S)-2-(aminomethyl)-3-methylbutanoic acid|29031|203854-59-5 https://www.jk-sci.com/products/s57c1790871 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a93b32819e2adfb2902ca6e154d39ff_e1e7175f-f9cc-40e4-967f-22a136e257dd.jpg?v=1791390217 3,5-Dibromo-4-methoxybenzoic Acid, 99.60% | 4073-35-2 3,5-Dibromo-4-methoxybenzoic Acid|C1790871|4073-35-2 https://www.jk-sci.com/products/j5329007 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c00914931b1e09567664235ed168cb0b.jpg?v=1791399760 Methyl 6-amino-6-deoxy-a-D-glucopyranoside, Purity by HPLC ≥ 98% | 5155-47-5 Methyl 6-amino-6-deoxy-a-D-glucopyranoside|29007|5155-47-5 https://www.jk-sci.com/products/s57c1896906 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebfb32f281407b4b2d67373277b60049.jpg?v=1791389738 Tadalafil Impurity N6, Purity: 98.1% | 479545-76-1 Tadalafil Impurity N6|C1896906|479545-76-1 https://www.jk-sci.com/products/s57c1925705 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a3e0787d2ead058c6321889648de6a.jpg?v=1791389465 Aminoacetone Hydrochloride, 95.90% | 7737-17-9 Aminoacetone Hydrochloride|C1925705|7737-17-9 https://www.jk-sci.com/products/j5329038 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbda199c05282d92ea9c74a0d0378c74.jpg?v=1791399726 5-Iodo-2-methylpyridine, Purity by GC ≥ 97% | 695-17-0 5-Iodo-2-methylpyridine|29038|695-17-0 https://www.jk-sci.com/products/s57c3d-2831 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414760_30533209-b1f0-4d5e-8491-a13f39b25b5e.png?v=1791388936 Fmoc-D-Ala-OH, 96.20% | 79990-15-1 Fmoc-D-Ala-OH|C3D-2831|79990-15-1 https://www.jk-sci.com/products/s57c3d-4109 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291651_64ccde3f-a1d9-4af0-bc4f-439158e4e897.png?v=1791388628 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol, 98.70% | 2190-15-0 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol|C3D-4109|2190-15-0 https://www.jk-sci.com/products/s57c3d-4276 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/006cd09b16ed33b431ad7067edb7e48c_8ab1c9cb-ddd4-440d-9a85-088e49e246a2.jpg?v=1791388586 3-(4-Methoxybenzoyl)propionic Acid, 98.80% | 3153-44-4 3-(4-Methoxybenzoyl)propionic Acid|C3D-4276|3153-44-4 https://www.jk-sci.com/products/j5329051 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5b51086d10c00e98327a3917f85823d.jpg?v=1791399716 4-Bromo-2-methoxybenzoic acid, Purity by HPLC ≥ 98% | 72135-36-5 4-Bromo-2-methoxybenzoic acid|29051|72135-36-5 https://www.jk-sci.com/products/s57c3d-6006 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563718.png?v=1791388087 Azetidin-3-ol Hydrochloride Salt, 96.10% | 18621-18-6 Azetidin-3-ol Hydrochloride Salt|C3D-6006|18621-18-6 https://www.jk-sci.com/products/j5329064 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25253888f025a92f69af457ed9a7c6ed.jpg?v=1791399701 3-(Bromomethyl)-7-chloro-1-benzothiophene, Purity by HPLC ≥ 98% | 17512-61-7 3-(Bromomethyl)-7-chloro-1-benzothiophene|29064|17512-61-7 https://www.jk-sci.com/products/j5329056 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2de4a5df2b3b6c9d37fa821fd360e6c5.jpg?v=1791399712 3-Bromo-4-nitroaniline, Purity by GC ≥ 97% | 40787-96-0 3-Bromo-4-nitroaniline|29056|40787-96-0 https://www.jk-sci.com/products/j5329069 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f557f6eb1015a8ac888128e64a0d9827.jpg?v=1791399696 5-Amino-3-bromo-2-methylpyridine, Purity by GC ≥ 99% | 186593-43-1 5-Amino-3-bromo-2-methylpyridine|29069|186593-43-1 https://www.jk-sci.com/products/s57c4x-32506 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_684f9715-ffbd-492f-931c-82fbfcb2d21c.png?v=1791367213 Estetrol Impurity 6, 95.70% Estetrol Impurity 6|C4X-32506 https://www.jk-sci.com/products/s57c4x-100314 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331415989bd47b78fc144eda6ca83034.jpg?v=1791387921 Azithromycin EP Impurity M, 96.30% | 765927-71-7 Azithromycin EP Impurity M|C4X-100314|765927-71-7 https://www.jk-sci.com/products/j5329073 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/188a91302e5476f92e960f62f8b71fbf.jpg?v=1791399689 2,5-Dibromopyrazine, Purity by HPLC ≥ 98% | 23229-26-7 2,5-Dibromopyrazine|29073|23229-26-7 https://www.jk-sci.com/products/s57c4x-10061 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51687fe1b2399d89b23d21833035b5db.jpg?v=1791387884 Afatinib Impurity 1, 92.50% | 314771-88-5 Afatinib Impurity 1|C4X-10061|314771-88-5 https://www.jk-sci.com/products/j5329081 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1e73288ceb0e13eb15da1c66162a47f.jpg?v=1791399684 Fluticasone propionate, Assay 98.5-102% (Dry basis) | 80474-14-2 Fluticasone propionate|29081|80474-14-2 https://www.jk-sci.com/products/j5329092 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d51059e85e8aaf72a6bfed1b9824d10c.jpg?v=1791399671 Tris-Boc-Spermine, Assay by titration ≥ 96% | 114459-62-0 Tris-Boc-Spermine|29092|114459-62-0 https://www.jk-sci.com/products/j5329089 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f72a6be5d4bef85a368b133f8f1fb62.jpg?v=1791399675 3-Bromo-4-hydroxybenzoic acid hydrate, Purity by HPLC ≥ 99% | 14348-41-5 3-Bromo-4-hydroxybenzoic acid hydrate|29089|14348-41-5 https://www.jk-sci.com/products/s57c4x-10096 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fc0478f60ab1866c495670220f388ac.jpg?v=1791387730 Apremilast Impurity 6, 90.80% | 1809170-71-5 Apremilast Impurity 6|C4X-10096|1809170-71-5 https://www.jk-sci.com/products/j5329123 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381a0ccca7257ba960bf210ecd0dcba4.jpg?v=1791399640 3-Bromo-2-methyl-5-nitropyridine, Purity by GC ≥ 99% | 186593-42-0 3-Bromo-2-methyl-5-nitropyridine|29123|186593-42-0 https://www.jk-sci.com/products/s57c4x-101211 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d907f8b-f2cf-487e-9f96-b1ee44c1a6a0.png?v=1791387669 Baclofen impurity 11, 93.40% Baclofen impurity 11|C4X-101211 https://www.jk-sci.com/products/s57c4x-10183 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bade3140fc7ebb641958876302d951cf.jpg?v=1791387542 Choline fenofibrate EP Impurity D, 99.70% | 42019-07-8 Choline fenofibrate EP Impurity D|C4X-10183|42019-07-8 https://www.jk-sci.com/products/j5329129 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd91013863afba903589523ed266d773.jpg?v=1791399630 2-Methoxy-5-methylpyridine, Purity by GC ≥ 98% | 13472-56-5 2-Methoxy-5-methylpyridine|29129|13472-56-5 https://www.jk-sci.com/products/j5329103 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15a97644b9f94fa86076927d4764cf82.jpg?v=1791399660 5-Amino-4-chloro-3-methylisoxazole, Purity by HPLC ≥ 99% | 166964-09-6 5-Amino-4-chloro-3-methylisoxazole|29103|166964-09-6 https://www.jk-sci.com/products/s57c4x-1020239 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5ed9d5b4-23f8-4786-ba2c-648e8ab5bf5c.png?v=1791387438 Vonoprazan Impurity 239 HCI, 90.40% Vonoprazan Impurity 239 HCI|C4X-1020239 https://www.jk-sci.com/products/j5329136 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc090e66f6edfa5c999c0fc2dd93fe2d.jpg?v=1791399630 3-Fluoro-2-methylpyridine, Purity by GC ≥ 99% | 15931-15-4 3-Fluoro-2-methylpyridine|29136|15931-15-4 https://www.jk-sci.com/products/s57c4x-102243 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff0797080d2257866b144ddbe594723.jpg?v=1791387337 Carfilzomib Impurity 43, 97.80% | 247068-85-5 Carfilzomib Impurity 43|C4X-102243|247068-85-5 https://www.jk-sci.com/products/j5329158 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c77a591e4ac2fe8e09a5beb58e1cb3c.jpg?v=1791399609 2-Chloro-5-iodo-3-methylpyridine, Purity by GC ≥ 99% | 59782-89-7 2-Chloro-5-iodo-3-methylpyridine|29158|59782-89-7 https://www.jk-sci.com/products/s57c4x-10561 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229689.png?v=1791386593 Vortioxetine Impurity 1, 93.00% | 92-54-6 Vortioxetine Impurity 1|C4X-10561|92-54-6 https://www.jk-sci.com/products/s57c4x-105661 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fc7c02b9-e935-4921-b4cb-1e65d053cc3e.png?v=1791386529 Vortioxetine Impurity 61, 96.20% Vortioxetine Impurity 61|C4X-105661 https://www.jk-sci.com/products/s57c4x-107745 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139235_6f345977-f78c-46eb-9cc5-bc9986c4b5c3.png?v=1791385606 Entecavir Impurity 45, Purity: 84.8% | 3587-60-8 Entecavir Impurity 45|C4X-107745|3587-60-8 https://www.jk-sci.com/products/s57c4x-1090175 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c111f9d4-c053-4485-a483-a5e4508d3c7a.png?v=1791384944 Rivaroxaban impurity 175, 99.50% Rivaroxaban impurity 175|C4X-1090175 https://www.jk-sci.com/products/s57c4x-32733 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/195ca350263384be9cf953695b1fe356.jpg?v=1791367208 Naftidrofuryl EP impurity B, 97.40% | 35997-58-1 Naftidrofuryl EP impurity B|C4X-32733|35997-58-1 https://www.jk-sci.com/products/j5329163 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb5d39632f30091a99de7187b30fc962.jpg?v=1791399598 2-Hydroxy-5-iodo-6-methylpyridine, Purity by HPLC ≥ 98% | 927870-76-6 2-Hydroxy-5-iodo-6-methylpyridine|29163|927870-76-6 https://www.jk-sci.com/products/s57c4x-109110 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238159_3df0cd0d-ac62-4cec-8783-31d8f40f2e16.png?v=1791384882 Milrinone Impurity 10, 99.50% | 2345-56-4 Milrinone Impurity 10|C4X-109110|2345-56-4 https://www.jk-sci.com/products/s57c4x-109647 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6990ae92ea7e39d4f3c5fbdaa21403e0.jpg?v=1791384621 Azilsartan Impurity 47, 99.00% | 1604812-35-2 Azilsartan Impurity 47|C4X-109647|1604812-35-2 https://www.jk-sci.com/products/s57c4x-1131118 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c76d24a-af12-4c11-a69e-194707ef965f.png?v=1791383486 Brexpiprazole impurity 118, 96.50% Brexpiprazole impurity 118|C4X-1131118 https://www.jk-sci.com/products/s57c4x-113320 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a59956c4439cd918b91ba3bb76d2287f.jpg?v=1791383297 Plerixafor Impurity 20, 99.30% | 6315-52-2 Plerixafor Impurity 20|C4X-113320|6315-52-2 https://www.jk-sci.com/products/s57c4x-1239 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127554_6e5e4f1b-95f7-4d17-b8e4-964d85d518a6.png?v=1791381213 Anastrozole, 99.90% | 120511-73-1 Anastrozole|C4X-1239|120511-73-1 https://www.jk-sci.com/products/s57c4x-124712 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0c37f87ced7e38a494ced136ffae9ef.jpg?v=1791381015 Bisoprolol EP Impurity L(Metoprolol EP Impurity C), 93.20% | 29122-74-5 Bisoprolol EP Impurity L(Metoprolol EP Impurity C)|C4X-124712|29122-74-5 https://www.jk-sci.com/products/j5329173 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc22b42bc8dea1d9c1ab2c10244f3c23.jpg?v=1791399593 3-Bromo-6-chloropyridine-2-carboxylic acid, Purity by HPLC ≥ 97% | 929000-66-8 3-Bromo-6-chloropyridine-2-carboxylic acid|29173|929000-66-8 https://www.jk-sci.com/products/s57c4x-133149 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/750d7cda356284e2379908b67eb6381a_b7c76336-fab8-401b-a7de-d3d2cc4a5e37.jpg?v=1791380263 Disodium Levononidazole Phosphate, Purity: 99.1% | 1685275-23-3 Disodium Levononidazole Phosphate|C4X-133149|1685275-23-3 https://www.jk-sci.com/products/j5329182 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a23bea3587862779b88d5ada697c9cbd.jpg?v=1791399583 6-Chloro-2-hydroxy-3-nitropyridine, Purity by HPLC ≥ 99% | 92138-35-7 6-Chloro-2-hydroxy-3-nitropyridine|29182|92138-35-7 https://www.jk-sci.com/products/s57c4x-136621 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56d05aeb85ce96f0fb35cf660ea93135.jpg?v=1791379613 Voriconazole Impurity 3, 95.90% | 188416-28-6 Voriconazole Impurity 3|C4X-136621|188416-28-6 https://www.jk-sci.com/products/s57c4x-138431 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_36cd8b14-bbdf-456b-b106-0e43b26204d8.png?v=1791379290 Rivastigmine impurity 31, 98.70% Rivastigmine impurity 31|C4X-138431 https://www.jk-sci.com/products/s57c4x-151416 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137848_ae8b3225-ee97-4254-bc08-42fe1ff0b72f.png?v=1791377037 Oxedrine, 99.90% | 94-07-5 Oxedrine|C4X-151416|94-07-5 https://www.jk-sci.com/products/s57c4x-151931 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6969c909-9daf-4d42-bfe9-f2aa28d2df99.png?v=1791376930 Propranolol Impurity 31, 96.80% Propranolol Impurity 31|C4X-151931 https://www.jk-sci.com/products/j5329184 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee55e409b637752b5486a4c0e2d4525.jpg?v=1791399583 3-Amino-2-methoxybenzoic acid, Purity by HPLC ≥ 97% | 861306-04-9 3-Amino-2-methoxybenzoic acid|29184|861306-04-9 https://www.jk-sci.com/products/s57c1333241 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5af68345e6b4742bd1cdc4eb35dff49_43e2123c-0808-4d96-91c9-9183b0c8a0bf.jpg?v=1791391077 3,5-Dichloro-4-formylbenzoic acid, 87.30% | 153203-80-6 3,5-Dichloro-4-formylbenzoic acid|C1333241|153203-80-6 https://www.jk-sci.com/products/j5329192 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d70ab996cd661f513bb9b61952a08b39.jpg?v=1791399573 2,4-Dibromo-3-nitropyridine, Purity by HPLC ≥ 98% | 121263-10-3 2,4-Dibromo-3-nitropyridine|29192|121263-10-3 https://www.jk-sci.com/products/s57c1603478 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2534e1a68d99fdb40cbbee6fb40e1ee4.jpg?v=1791390591 2,6-Di-tert-butyl-4-chlorophenol, Purity: 98.2% | 4096-72-4 2,6-Di-tert-butyl-4-chlorophenol|C1603478|4096-72-4 https://www.jk-sci.com/products/j5329194 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e3c4d13cccece6dcb5650fdc7b7cf8d.jpg?v=1791399572 2,4-Dichloro-3-cyanopyridine, Purity by HPLC ≥ 98% | 180995-12-4 2,4-Dichloro-3-cyanopyridine|29194|180995-12-4 https://www.jk-sci.com/products/s57c1798558 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/858b1144cc14712cd06551c2222ffd50.jpg?v=1791390162 cis-8,11,14-Eicosatrienoic Acid Ethyl Ester, 97.40% | 55968-21-3 cis-8,11,14-Eicosatrienoic Acid Ethyl Ester|C1798558|55968-21-3 https://www.jk-sci.com/products/j5329201 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63f5a503074817eb2808bf357fe4d387.jpg?v=1791399567 4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline, Purity by HPLC ≥ 99% | 183322-18-1 4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline|29201|183322-18-1 https://www.jk-sci.com/products/s57c1806224 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c2ba5fa81f7ce945e30d2605d2d1d20.jpg?v=1791390105 Enalaprilat, 79.80% | 76420-72-9 Enalaprilat|C1806224|76420-72-9 https://www.jk-sci.com/products/j5329233 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe78dc64cfc820f39d6c5ebd8ada3ee9.jpg?v=1791399538 2-Bromo-6-chloro-4-methylpyridine, Purity by GC ≥ 98% | 157329-89-0 2-Bromo-6-chloro-4-methylpyridine|29233|157329-89-0 https://www.jk-sci.com/products/j5329265 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfcfd5fb3f265c14ff16660643b26227.jpg?v=1791399527 Ethyl 3-aminothiophene-2-carboxylate, Purity by GC ≥ 97% | 31823-64-0 Ethyl 3-aminothiophene-2-carboxylate|29265|31823-64-0 https://www.jk-sci.com/products/s57c1826426 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350147.png?v=1791390010 H-Glu-Met-OH | 4423-22-7 H-Glu-Met-OH|C1826426|4423-22-7 https://www.jk-sci.com/products/s57c4x-32734 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8342aee5bf617eee8b6bfdbaf1692c5.jpg?v=1791367204 Naftidrofuryl EP impurity E, 90.30% | 3216-60-2 Naftidrofuryl EP impurity E|C4X-32734|3216-60-2 https://www.jk-sci.com/products/s57c1826998 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34a2e8842457fac75ca87e66f6619feb.jpg?v=1791390001 Isopropyl 2-(4-Isobutylphenyl)Propanoate, 97.80% | 64622-17-9 Isopropyl 2-(4-Isobutylphenyl)Propanoate|C1826998|64622-17-9 https://www.jk-sci.com/products/s57c1827475 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365242.png?v=1791389991 Naphthalen-1-ylhydrazine Hydrochloride, Purity: 94.0% | 2243-56-3 Naphthalen-1-ylhydrazine Hydrochloride|C1827475|2243-56-3 https://www.jk-sci.com/products/s57c1870925 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a997dde18f5e4f6496d310452ebe8e7d.jpg?v=1791389879 Salcaprozate Impurity N1, 98.80% | 20073-95-4 Salcaprozate Impurity N1|C1870925|20073-95-4 https://www.jk-sci.com/products/s57c1891275 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e94fbc79cabdb05463f473d3d6a0b2e.jpg?v=1791389784 Pyrantel EP impurity D, 92.50% | 4271-96-9 Pyrantel EP impurity D|C1891275|4271-96-9 https://www.jk-sci.com/products/s57c4x-32801 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469871.png?v=1791367202 Mesalazine Impurity 1, Purity: 98.8% | 939-97-9 Mesalazine Impurity 1|C4X-32801|939-97-9 https://www.jk-sci.com/products/j5329281 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d193f86dbf6f226a41f660255c5baeee.jpg?v=1791399513 2,6-Dibromo-4-methoxypyridine, Purity by HPLC ≥ 98% | 117873-72-0 2,6-Dibromo-4-methoxypyridine|29281|117873-72-0 https://www.jk-sci.com/products/j5327383 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350beb55d289a29fe929fa9fb33e806b.jpg?v=1791401666 3,5-Dibromopyridine, Purity by GC ≥ 99% | 625-92-3 3,5-Dibromopyridine|27383|625-92-3 https://www.jk-sci.com/products/s57c4x-32846 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9c8bedc-66d4-40bc-8891-7f8f79d750b3.png?v=1791367196 Prusogliptin Impurity 6, Purity: 99.5% Prusogliptin Impurity 6|C4X-32846 https://www.jk-sci.com/products/s57c1908632 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b7779c4aad026147ab0fd34f44ddd0d.jpg?v=1791389695 Torachrysone-8-O-β-D-glucopyranoside, Purity: 98.9% | 64032-49-1 Torachrysone-8-O-β-D-glucopyranoside|C1908632|64032-49-1 https://www.jk-sci.com/products/s57c4x-33016 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c7146b36470605baf246426269e2154.jpg?v=1791367193 Xanomeline Impurity 6, 98.90% | 2414049-88-8 Xanomeline Impurity 6|C4X-33016|2414049-88-8 https://www.jk-sci.com/products/s57c3d-3048 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397978_12538e8b-c202-4043-be13-ea76308530d2.png?v=1791388902 Uric Acid-1,3-15N2, Purity>95% | 62948-75-8 Uric Acid-1,3-15N2|C3D-3048|62948-75-8 https://www.jk-sci.com/products/s57c3d-3528 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598421.png?v=1791388772 3＇-Chloroacetanilide, 99.40% | 588-07-8 3＇-Chloroacetanilide|C3D-3528|588-07-8 https://www.jk-sci.com/products/s57c4x-330111 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f540301fad9ce214c851f66282a083a.jpg?v=1791367193 Xanomeline N-Oxide, 91.60% | 174656-58-7 Xanomeline N-Oxide|C4X-330111|174656-58-7 https://www.jk-sci.com/products/j5328065 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/045bc49cea86ae33a70a8bd4e52eab09.jpg?v=1791400879 Heppso hydrate, Assay by titration ≥ 99% | 865856-46-8 Heppso hydrate|28065|865856-46-8 https://www.jk-sci.com/products/s57c4x-10019 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc9608263edffb8794955af26157b0b9.jpg?v=1791387968 Erythromycin B, 94.70% | 527-75-3 Erythromycin B|C4X-10019|527-75-3 https://www.jk-sci.com/products/j5328255 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4282f8e81d8ac13f25d0cfe0b37e2515.jpg?v=1791400664 2-Chloro-5-hydroxypyridine, Purity by HPLC ≥ 98% | 41288-96-4 2-Chloro-5-hydroxypyridine|28255|41288-96-4 https://www.jk-sci.com/products/s57c4x-101016 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/705f8238ecb989ebdb5be8460ced9d94.jpg?v=1791387703 Acyclovir EP Impurity P, 90.20% | 23169-33-7 Acyclovir EP Impurity P|C4X-101016|23169-33-7 https://www.jk-sci.com/products/j5328517 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9783da4a3f58720f225799c1c4f9cf9.jpg?v=1791400345 5-Amino-2-(trifluoromethyl)benzimidazole dihydrochloride, Purity ≥ 95% (NMR) | 3671-66-7 5-Amino-2-(trifluoromethyl)benzimidazole dihydrochloride|28517|3671-66-7 https://www.jk-sci.com/products/s57c4x-102093 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120277.png?v=1791387360 3-Chloropyridine, Purity: 100.0% | 626-60-8 3-Chloropyridine|C4X-102093|626-60-8 https://www.jk-sci.com/products/s57c4x-102248 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/760dcebc1ca9086724fb0c29f6d27797.jpg?v=1791387332 Carfilzomib Impurity 48, 90.20% | 1541172-75-1 Carfilzomib Impurity 48|C4X-102248|1541172-75-1 https://www.jk-sci.com/products/s57c4x-10451 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370208_eb998781-72e4-49ed-aad1-126c297e5ef7.png?v=1791386851 Amisulpride EP Impurity A, 98.80% | 26116-12-1 Amisulpride EP Impurity A|C4X-10451|26116-12-1 https://www.jk-sci.com/products/j5328376 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16691dcae5327a31e43d37190c5b2dc7.jpg?v=1791400518 Boc-D-cyclopentylglycine, Purity by HPLC ≥ 97% | 156881-63-9 Boc-D-cyclopentylglycine|28376|156881-63-9 https://www.jk-sci.com/products/s57c4x-105638 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7d3de1b126ca4780e06de61ee49bb42.jpg?v=1791386564 Vortioxetine Hydrobromide, 98.00% | 960203-27-4 Vortioxetine Hydrobromide|C4X-105638|960203-27-4 https://www.jk-sci.com/products/s57c4x-10575 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340f55ddd62d026b82ece2a0dfae0630.jpg?v=1791386465 Valsartan impurity 5, 94.20% | 676129-92-3 Valsartan impurity 5|C4X-10575|676129-92-3 https://www.jk-sci.com/products/s57c4x-106852 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342296.png?v=1791386021 Imatinib Impurity 52, 99.60% | 350-03-8 Imatinib Impurity 52|C4X-106852|350-03-8 https://www.jk-sci.com/products/j5328580 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55231c0376ddff08a8eee50987312d4e.jpg?v=1791400261 1-Ethyl-5-methyl-1H-pyrazole-4-carbaldehyde, Purity by GC ≥ 98% || Purity ≥ 95% (NMR) | 933778-29-1 1-Ethyl-5-methyl-1H-pyrazole-4-carbaldehyde|28580|933778-29-1 https://www.jk-sci.com/products/s57c4x-136451 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508019_cc47917b-ab73-4ff5-8c8f-161b802718e6.png?v=1791379636 Lercanidipine Impurity 51, 94.00% | 5394-63-8 Lercanidipine Impurity 51|C4X-136451|5394-63-8 https://www.jk-sci.com/products/j5328630 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d177cb0ef628b647917410e2dd195774.jpg?v=1791400205 2-(3-Chloro-4-methoxyphenyl)acetic acid, Purity by GC ≥ 98% | 13721-20-5 2-(3-Chloro-4-methoxyphenyl)acetic acid|28630|13721-20-5 https://www.jk-sci.com/products/j5328745 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0ce0abd2f6d38fa6ee17a3de984be71.jpg?v=1791400077 Methyl 3-oxo-3-(thiophen-2-yl)propanoate, Purity by GC ≥ 98% | 134568-16-4 Methyl 3-oxo-3-(thiophen-2-yl)propanoate|28745|134568-16-4 https://www.jk-sci.com/products/s57c4x-33054 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b695143cce8909cb73ad02e52c628a09.jpg?v=1791367184 (R)-2-Amino-2-(2-hydroxyphenyl)acetic acid Hydrochloride, 91.30% | 2829292-56-8 (R)-2-Amino-2-(2-hydroxyphenyl)acetic acid Hydrochloride|C4X-33054|2829292-56-8 https://www.jk-sci.com/products/s57c4x-15181 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/685375b82976320488a8826c02f1e778.jpg?v=1791376971 Lipoic acid impurity N1, 90.30% | 17370-41-1 Lipoic acid impurity N1|C4X-15181|17370-41-1 https://www.jk-sci.com/products/j5328706 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e69a17dd6922e1075b616c91d54eadd9.jpg?v=1791400123 2-Chloro-3-amino-6-methylpyridine, Purity by GC ≥ 99% | 39745-40-9 2-Chloro-3-amino-6-methylpyridine|28706|39745-40-9 https://www.jk-sci.com/products/s57c1033614 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26cb1936a0ce0eb25a6da777f5185d3_79e1b2af-ddaf-416a-bbf7-0a25e69243af.jpg?v=1791391515 N-benzyl-2-cyanoacetamide, 99.90% | 10412-93-8 N-benzyl-2-cyanoacetamide|C1033614|10412-93-8 https://www.jk-sci.com/products/s57c1416644 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40b535bf224e511f0c944f2121c56b8a.jpg?v=1791390954 2-Methyl-3,17beta-Estradiol, 98.90% | 1818-12-8 2-Methyl-3,17beta-Estradiol|C1416644|1818-12-8 https://www.jk-sci.com/products/j5328798 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6edebb72d297ca75048d0867dac1568.jpg?v=1791400019 2,3-Dichloro-5-nitropyridine, Purity by HPLC ≥ 99% | 22353-40-8 2,3-Dichloro-5-nitropyridine|28798|22353-40-8 https://www.jk-sci.com/products/j5328829 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/912bf8d7bbe74bade8a1a751131a7877.jpg?v=1791399973 3,5-Dichloro-2-fluoropyridine, Purity by GC ≥ 99.5% | 823-56-3 3,5-Dichloro-2-fluoropyridine|28829|823-56-3 https://www.jk-sci.com/products/s57c1432585 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443088.png?v=1791390928 Cortistatin-14 | 186901-48-4 Cortistatin-14|C1432585|186901-48-4 https://www.jk-sci.com/products/j5328774 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a665d9961e3472ccd30e6c0f776948dc.jpg?v=1791400048 a-Bromo-2-chlorophenylacetic acid, Purity by HPLC ≥ 99% | 29270-30-2 a-Bromo-2-chlorophenylacetic acid|28774|29270-30-2 https://www.jk-sci.com/products/j5328846 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f614a936a1a2ad12baee500d371a5b25.jpg?v=1791399941 4-Nitro-3-picoline, Purity by GC ≥ 96% | 1678-53-1 4-Nitro-3-picoline|28846|1678-53-1 https://www.jk-sci.com/products/s57c1441747 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371229_52a6248a-087d-4b3b-82bb-e3fb4f35f91d.png?v=1791390912 1,2,3,4-Tetrahydro-1-naphthoic Acid, 99.10% | 1914-65-4 1,2,3,4-Tetrahydro-1-naphthoic Acid|C1441747|1914-65-4 https://www.jk-sci.com/products/j5328877 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41f857ac5167f20fb7ee90a276c4ecd8.jpg?v=1791399894 2-Amino-4,5-diethoxybenzoic acid, Purity by GC ≥ 97% | 20197-72-2 2-Amino-4,5-diethoxybenzoic acid|28877|20197-72-2 https://www.jk-sci.com/products/s57c4x-3309 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f603dd49facd6a28588c634517f2271.jpg?v=1791367185 Samidorphan, 95.70% | 421552-35-4 Samidorphan|C4X-3309|421552-35-4 https://www.jk-sci.com/products/s57c1492060 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79bcfc9cae1886c4b43db3b81d5d1591.jpg?v=1791390832 (R)-2-Amino-2-(3-hydroxyphenyl)acetic acid, 99.40% | 25698-27-5 (R)-2-Amino-2-(3-hydroxyphenyl)acetic acid|C1492060|25698-27-5 https://www.jk-sci.com/products/j5328928 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ecbeaed7f2102fe83daec453b69d72c.jpg?v=1791399835 5-Amino-2-methylbenzoic acid, Purity by HPLC ≥ 98% | 2840-04-2 5-Amino-2-methylbenzoic acid|28928|2840-04-2 https://www.jk-sci.com/products/s57c1512470 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39d2f9ce81c706de202f85a9a3ffa13f.jpg?v=1791390783 1-(2-Bromo-6-fluorophenyl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)urea, Purity: 96.2% | 917389-23-2 1-(2-Bromo-6-fluorophenyl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)urea|C1512470|917389-23-2 https://www.jk-sci.com/products/s57c1633584 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2be49bc6f63a2fa271dc0cfbfe161c.jpg?v=1791390522 2-Methyl-1,4-naphthalenediol, 98.40% | 481-85-6 2-Methyl-1,4-naphthalenediol|C1633584|481-85-6 https://www.jk-sci.com/products/j5329014 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b26bd8d8a306e5419c3ccd68d6e9bece.jpg?v=1791399759 2,6-Dichloro-4-iodopyridine, Purity by GC ≥ 98% | 98027-84-0 2,6-Dichloro-4-iodopyridine|29014|98027-84-0 https://www.jk-sci.com/products/j5328974 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f180cd52d72d1eaf270c6feeb9a058d1.jpg?v=1791399785 Methyl 2-amino-3-bromo-5-pyridinecarboxylate, Purity by HPLC ≥ 98% | 180340-70-9 Methyl 2-amino-3-bromo-5-pyridinecarboxylate|28974|180340-70-9 https://www.jk-sci.com/products/j5328991 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bce08d81adf7bb6a56da407ed887e0e6.jpg?v=1791399775 4-Bromo-2-methoxybenzoic acid methyl ester, Purity by GC ≥ 99% | 139102-34-4 4-Bromo-2-methoxybenzoic acid methyl ester|28991|139102-34-4 https://www.jk-sci.com/products/s57c1655184 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/181c17ab97ed3a8e827373b066ee46ad.jpg?v=1791390498 3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde, 95.90% | 25934-52-5 3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde|C1655184|25934-52-5 https://www.jk-sci.com/products/s57c1793915 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04d6855f1e8012a2df80eb67460029d7.jpg?v=1791390213 4,5-Dihydrooxazole Bilastine, 93.40% | 202189-77-3 4,5-Dihydrooxazole Bilastine|C1793915|202189-77-3 https://www.jk-sci.com/products/j5329026 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae5e7f9453dc93fd95068fe3765bdf77.jpg?v=1791399745 (S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d466cff70751d5ee5d2fed3cf5f94ad9.jpg?v=1791399727 6-Chloro-1H-indazole, Purity by HPLC ≥ 98% | 698-25-9 6-Chloro-1H-indazole|29042|698-25-9 https://www.jk-sci.com/products/j5329060 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1eef6f6d211965b9ca1ac22484b98f73.jpg?v=1791399706 1-Bromo-2-iodo-4-methylbenzene, Purity by GC ≥ 97% | 858841-53-9 1-Bromo-2-iodo-4-methylbenzene|29060|858841-53-9 https://www.jk-sci.com/products/s57c1806552 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121258.png?v=1791390085 Ethacridine, 82.50% | 442-16-0 Ethacridine|C1806552|442-16-0 https://www.jk-sci.com/products/s57c1884200 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96fcf940a99b02a21cbf887d76e7de8c.jpg?v=1791389842 N-Methyl-N-(2-nitrobenzyl)cyclohexanamine hydrochloride, Purity: 99.7% | 31611-42-4 N-Methyl-N-(2-nitrobenzyl)cyclohexanamine hydrochloride|C1884200|31611-42-4 https://www.jk-sci.com/products/s57c3d-4547 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348821.png?v=1791388509 1,2,4-Triaminobenzene Dihydrochloride, 95.90% | 615-47-4 1,2,4-Triaminobenzene Dihydrochloride|C3D-4547|615-47-4 https://www.jk-sci.com/products/j5329070 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47b27f204177af298167a16e60bef1e6.jpg?v=1791399692 3-Iodo-2-nitropyridine, Purity by HPLC ≥ 97% | 54231-34-4 3-Iodo-2-nitropyridine|29070|54231-34-4 https://www.jk-sci.com/products/s57c4x-3315 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93a464332ceb409f0e91fb5316d8cd6e.jpg?v=1791367179 Vadadustat, 99.40% | 1000025-07-9 Vadadustat|C4X-3315|1000025-07-9 https://www.jk-sci.com/products/s57c3d-5009 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89063233c67979b51362f3504c2979a9.jpg?v=1791388430 2-Hydroxy-2-methylpropiophenone, 99.70% | 7473-98-5 2-Hydroxy-2-methylpropiophenone|C3D-5009|7473-98-5 https://www.jk-sci.com/products/j5329084 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f584c4b5451ac3e81d83ec31882c3c12.jpg?v=1791399681 Pyrrolo[1,2-f][1,2,4]triazin-4-amine, Purity by HPLC ≥ 97% | 159326-68-8 Pyrrolo[1,2-f][1,2,4]triazin-4-amine|29084|159326-68-8 https://www.jk-sci.com/products/j5329097 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/528cc253d35df4380131c681c9bb7f9b.jpg?v=1791399665 3-Amino-2-bromo-5-methylpyridine, Purity by GC ≥ 99.50% | 34552-14-2 3-Amino-2-bromo-5-methylpyridine|29097|34552-14-2 https://www.jk-sci.com/products/s57c4x-1020162 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b6c05649-ccff-4ed2-b638-c2df708417b2.png?v=1791387474 Vonoprazan Impurity 162, 99.40% Vonoprazan Impurity 162|C4X-1020162 https://www.jk-sci.com/products/j5329128 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ccf84d9353d3e61dc5803e765779811.jpg?v=1791399635 2-Bromo-5-methyl-3-nitropyridine, Purity by GC ≥ 97% | 23056-46-4 2-Bromo-5-methyl-3-nitropyridine|29128|23056-46-4 https://www.jk-sci.com/products/s57c4x-103118 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7f51c3fc2416ff7e54b1699e5d6d660.jpg?v=1791387130 Montelukast EP Impurity I, 95.00% | 2045402-27-3 Montelukast EP Impurity I|C4X-103118|2045402-27-3 https://www.jk-sci.com/products/j5329183 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99bef95c40acdd8656fb3d665e89ef01.jpg?v=1791399583 2-Amino-5-chloro-6-methyl pyridine, Purity by HPLC ≥ 99% | 36936-23-9 2-Amino-5-chloro-6-methyl pyridine|29183|36936-23-9 https://www.jk-sci.com/products/j5329170 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be415ab671a1eea3b3f94350c080ebb3.jpg?v=1791399599 Tri-O-Benzyl-D-galactal | 80040-79-5 Tri-O-Benzyl-D-galactal|29170|80040-79-5 https://www.jk-sci.com/products/j5329139 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2e4393cafaca685234be43f68ce86ba.jpg?v=1791399624 2-Bromo-3-cyanotoluene, Purity by GC ≥ 99% | 263159-64-4 2-Bromo-3-cyanotoluene|29139|263159-64-4 https://www.jk-sci.com/products/s57c4x-105651 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d630f7fe4922e29750994f6a5c26ef36.jpg?v=1791386545 Vortioxetine Impurity 51, 99.80% | 1610527-49-5 Vortioxetine Impurity 51|C4X-105651|1610527-49-5 https://www.jk-sci.com/products/j5329193 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/874968db29fb8fbf608007cf7747ec73.jpg?v=1791399573 3-Amino-2,4-dichloropyridine, Assay ≥ 98% | 173772-63-9 3-Amino-2,4-dichloropyridine|29193|173772-63-9 https://www.jk-sci.com/products/s57c4x-106331 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5dd0e8dca2190c2251603b568e1db01.jpg?v=1791386290 Edoxaban Impurity 31, 91.00% | 259809-24-0 Edoxaban Impurity 31|C4X-106331|259809-24-0 https://www.jk-sci.com/products/s57c4x-10802 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a6f4e7d290474a84fc51795004bef7.jpg?v=1791385489 Etoricoxib Impurity 2, 99.30% | 316149-01-6 Etoricoxib Impurity 2|C4X-10802|316149-01-6 https://www.jk-sci.com/products/s57c4x-108359 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b3d29eb2-caac-448d-8796-8065acb3b7d3.png?v=1791385288 Cetirizine Impurity 59 (Mixture of Isomers), 97.50% Cetirizine Impurity 59 (Mixture of Isomers)|C4X-108359 https://www.jk-sci.com/products/j5329219 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b27e982fe6f1502df8127bddcff8199b.jpg?v=1791399553 2-Bromo-6-cyanoanisole, Purity by GC ≥ 99.5% | 874472-98-7 2-Bromo-6-cyanoanisole|29219|874472-98-7 https://www.jk-sci.com/products/j5329266 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68a78830491091732b5240e76704935a.jpg?v=1791399523 Iridium(IV) oxide dihydrate, Assay ≥ 99.9% (Ir : 73.9 ± 2%) | 30980-84-8 Iridium(IV) oxide dihydrate|29266|30980-84-8 https://www.jk-sci.com/products/s57c4x-116620 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438545_9528dc16-d889-487c-89ba-c8b5e2e6d2ac.png?v=1791382438 Valproic Acid EP Impurity I, 98.80% | 13310-75-3 Valproic Acid EP Impurity I|C4X-116620|13310-75-3 https://www.jk-sci.com/products/s57c4x-12121 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e320b07e7952e0ceacc70fae171c51d2.jpg?v=1791381647 Ceftazidime EP Impurity A, 87.30% | 1000980-60-8 Ceftazidime EP Impurity A|C4X-12121|1000980-60-8 https://www.jk-sci.com/products/s57c4x-131277 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343361.png?v=1791380458 Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C), Purity: 100.0% | 90-64-2 Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C)|C4X-131277|90-64-2 https://www.jk-sci.com/products/j5329308 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/684caff488e8f4e2b0d1d9b138e5fff1.jpg?v=1791399496 Sucralose | 56038-13-2 Sucralose|29308|56038-13-2 https://www.jk-sci.com/products/j5329322 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be46f0f289fd16a5bd0ce9d086c7a6d5.jpg?v=1791399482 6-(Tritylthio)hexanoic acid, Purity by HPLC ≥ 98% | 80441-55-0 6-(Tritylthio)hexanoic acid|29322|80441-55-0 https://www.jk-sci.com/products/s57c4x-135949 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359865.png?v=1791379696 Telmisartan Impurity 49, 96.70% | 25148-68-9 Telmisartan Impurity 49|C4X-135949|25148-68-9 https://www.jk-sci.com/products/s57c4x-136414 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388d5082ea9f0409b5b64653288170d4.jpg?v=1791379641 Lercanidipine Impurity 14, 98.50% | 887769-34-8 Lercanidipine Impurity 14|C4X-136414|887769-34-8 https://www.jk-sci.com/products/j5329324 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fde6294c8c60187dfdd772b489bc00c0.jpg?v=1791399476 1,7-Bis-Boc-1,4,7-triazaheptane, Purity ≥ 97% (NMR) | 117499-16-8 1,7-Bis-Boc-1,4,7-triazaheptane|29324|117499-16-8 https://www.jk-sci.com/products/j5329329 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1781f2cbfd32da5729c6bb3badfd7ce5.jpg?v=1791399471 6-Chloro-2-fluoropyridine-3-boronic acid, Purity ≥ 98.5% | 1256345-66-0 6-Chloro-2-fluoropyridine-3-boronic acid|29329|1256345-66-0 https://www.jk-sci.com/products/j5329335 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c752da199b24b4e9dcac861e77f8233e.jpg?v=1791399466 3-Iodo-4-nitrophenol, Assay ≥ 97% | 50590-07-3 3-Iodo-4-nitrophenol|29335|50590-07-3 https://www.jk-sci.com/products/s57c4x-151816 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fcd132f645fdf7e13e8e424595ce396.jpg?v=1791376958 Thioctic Acid Impurity 16, 90.90% | 1700-12-5 Thioctic Acid Impurity 16|C4X-151816|1700-12-5 https://www.jk-sci.com/products/j5329341 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4605c00c9fab8fee5b7a7763e219dd14.jpg?v=1791399460 5-Bromo-2,3-dimethylpyridine, Purity by GC ≥ 98% | 27063-90-7 5-Bromo-2,3-dimethylpyridine|29341|27063-90-7 https://www.jk-sci.com/products/s57c4x-33249 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c7b7454-1633-43e6-aac8-578d35369e68.png?v=1791367173 FCN437 Impurity 9, 95.20% FCN437 Impurity 9|C4X-33249 https://www.jk-sci.com/products/j5329359 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99daf21cac7ab67e64d7df5c65d3671e.jpg?v=1791399441 Fmoc-a-methyl-L-allylglycine, Purity by HPLC ≥ 99% | 288617-71-0 Fmoc-a-methyl-L-allylglycine|29359|288617-71-0 https://www.jk-sci.com/products/s57c1195348 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d99af59bdc9d8eb653121008ca62be22_53fb3777-496f-4dea-a8e7-e3966b175db8.jpg?v=1791391285 (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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a15954537a113290921749797d1863c7.jpg?v=1791399437 6-Azido-hexanoic acid, Purity by GC ≥ 98% | 79598-53-1 6-Azido-hexanoic acid|29363|79598-53-1 https://www.jk-sci.com/products/j5329400 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d48d0ee5c2a743f93e9ca494222be77b.jpg?v=1791399421 6-Amino-2-chloro-3-methylpyridine, Purity ≥ 95% | 442129-37-5 6-Amino-2-chloro-3-methylpyridine|29400|442129-37-5 https://www.jk-sci.com/products/j5329424 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecae55e113c698ac46822fa109828865.jpg?v=1791399416 a-Phenylpiperidine-2-acetamide, Purity by HPLC ≥ 97% | 19395-39-2 a-Phenylpiperidine-2-acetamide|29424|19395-39-2 https://www.jk-sci.com/products/j5329369 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aa58a5745d85a30877cfec5fc625675.jpg?v=1791399430 6-Aminoisoquinolin-1(2H)-one, Purity by HPLC ≥ 97% | 216099-46-6 6-Aminoisoquinolin-1(2H)-one|29369|216099-46-6 https://www.jk-sci.com/products/s57c4x-33371 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482e84c135bbeafe64afbdedce1f2709.jpg?v=1791367168 (S)-Oteseconazole, 97.20% | 1446515-60-1 (S)-Oteseconazole|C4X-33371|1446515-60-1 https://www.jk-sci.com/products/j5329435 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd9ea97aabc61f854c82a0bc87aaf5cd.jpg?v=1791399406 5-Amino-2-pyridone, Purity by HPLC ≥ 95% || Purity ≥ 95% (NMR) | 33630-94-3 5-Amino-2-pyridone|29435|33630-94-3 https://www.jk-sci.com/products/s57c4x-33432 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0d14f303-2245-4fea-9909-0da7a02f539b.png?v=1791367163 Rezvilutamide Impurity 2, Purity: 98.5% Rezvilutamide Impurity 2|C4X-33432 https://www.jk-sci.com/products/s57c1307746 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a813832042434d26b8db7bda9995d2.jpg?v=1791391135 Esomeprazole Impurity 02, 99.10% | 53065-28-4 Esomeprazole Impurity 02|C1307746|53065-28-4 https://www.jk-sci.com/products/j5329442 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09076b77b30a129642ea6373f3ff6b78.jpg?v=1791399396 4-O-b-D-Galactopyranosyl-D-gluconic acid calcium salt (2:1) dihydrate, Assay ≥ 96% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e906db53001cdb686c6c55b933cdfb7.jpg?v=1791399366 2-Methyl-2-thiopseudourea sulfate, Assay ≥ 98% | 867-44-7 2-Methyl-2-thiopseudourea sulfate|29498|867-44-7 https://www.jk-sci.com/products/s57c1569144 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5a78fb78ee7557c5c5d4ef8ace631e9.jpg?v=1791390677 2-(2-Chlorophenyl)oxirane, 96.20% | 62717-50-4 2-(2-Chlorophenyl)oxirane|C1569144|62717-50-4 https://www.jk-sci.com/products/j5329506 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7cd46cda91491ee51f1059e46456b72.jpg?v=1791399361 2-Amino-2-[4-(methylthio)phenyl]ethanol, Purity ≥ 95% (NMR) | 910443-19-5 2-Amino-2-[4-(methylthio)phenyl]ethanol|29506|910443-19-5 https://www.jk-sci.com/products/s57c4x-33551 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f057aa04-dc89-407e-b346-945178a23da6.png?v=1791367159 Aprocitentan impurity 1, Purity: 99.7% Aprocitentan impurity 1|C4X-33551 https://www.jk-sci.com/products/j5329542 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19fa716e0518cb5f2fb9edebe488542e.jpg?v=1791399346 Ammonium perrhenate(VII), Assay ≥ 100% (≥ 69.4% Rhenium content) | 13598-65-7 Ammonium perrhenate(VII)|29542|13598-65-7 https://www.jk-sci.com/products/s57c1636348 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6be5fb2ebfa8cde60b540c09921a44de.jpg?v=1791390522 2-Methylquinolin-7-amine, 99.50% | 64334-96-9 2-Methylquinolin-7-amine|C1636348|64334-96-9 https://www.jk-sci.com/products/s57c1753487 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf6b000c3121e785db8c20697d76a107.jpg?v=1791390314 5-Cyano-2-isopropoxybenzoic acid, 99.40% | 845616-14-0 5-Cyano-2-isopropoxybenzoic acid|C1753487|845616-14-0 https://www.jk-sci.com/products/s57c1889349 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f6767cb9f51d23f1e878930a1e3e3b6.jpg?v=1791389803 (-)-Epipodophyllotoxin, 99.80% | 4375-07-9 (-)-Epipodophyllotoxin|C1889349|4375-07-9 https://www.jk-sci.com/products/j5329590 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0553fbecec9278306cb50bd399aef09.jpg?v=1791399306 (S)-Boc-2-amino-3-propargyloxy-propionic acid dicyclohexyl ammonium salt, Purity by HPLC ≥ 97% (S)-Boc-2-amino-3-propargyloxy-propionic acid dicyclohexyl ammonium salt|29590 https://www.jk-sci.com/products/j5329575 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5977b62e102acea107059ed03cf8b64.jpg?v=1791399330 11-Tritylmercapto-undecanoic acid, Purity by HPLC ≥ 98% | 202462-83-7 11-Tritylmercapto-undecanoic acid|29575|202462-83-7 https://www.jk-sci.com/products/j5329588 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a99b99c1d29bce7b1d59898cb6280a.jpg?v=1791399310 Boc-a-methyl-D-4-bromophenylalanine, Purity by HPLC ≥ 99% | 1310680-46-6 Boc-a-methyl-D-4-bromophenylalanine|29588|1310680-46-6 https://www.jk-sci.com/products/j5329597 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f98ccb335abb6881467fa7b48c7bb61c.jpg?v=1791399296 Boc-4-(naphthalen-1-yl)-piperidine-4-carboxylic acid, Purity by HPLC ≥ 98% | 1198287-04-5 Boc-4-(naphthalen-1-yl)-piperidine-4-carboxylic acid|29597|1198287-04-5 https://www.jk-sci.com/products/j5329606 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/062d634fb2dbbac9cfc0fb8cc40c34e3.jpg?v=1791399283 (R,S)-Boc-3-amino-2-(naphthalen-2-yl)-propionic acid, Purity by HPLC ≥ 97% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14fc050d152e918327e39b68f310e650.jpg?v=1791399278 Boc-3-exo-amino-bicyclo[2.2.1]heptane-2-exo-carboxylic acid, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bb4b8d69300d4aff63bd06cb81ad42c.jpg?v=1791367154 Suzetrigine, 95.00% | 2649467-58-1 Suzetrigine|C4X-33691|2649467-58-1 https://www.jk-sci.com/products/j5329638 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87ba4c3a1113d8c44cba9a1ad4d0e322.jpg?v=1791399230 (R)-Fmoc-2-amino-3-propargylsulfanyl-propionic acid, Purity by HPLC ≥ 97% | 1354752-76-3 (R)-Fmoc-2-amino-3-propargylsulfanyl-propionic acid|29638|1354752-76-3 https://www.jk-sci.com/products/s57c1919382 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418543_ba6080b9-f6c1-49ea-9caf-989e61d0b3e2.png?v=1791389589 2-Bromomethyl-1,3-dioxolane, 96.70% | 4360-63-8 2-Bromomethyl-1,3-dioxolane|C1919382|4360-63-8 https://www.jk-sci.com/products/j5329621 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64ebc8fc9708c09297648ac1ced12d45.jpg?v=1791399254 Boc-L-2,5,7-tri-tert-butyl-tryptophan, Purity by HPLC ≥ 98% | 78654-82-7 Boc-L-2,5,7-tri-tert-butyl-tryptophan|29621|78654-82-7 https://www.jk-sci.com/products/s57c1930112 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9f3750be7d24c633b8cef79ac5e014d.jpg?v=1791389418 Trazodone Impurity QZT-IM-2-Z4 HCl, 97.40% | 2247108-04-7 Trazodone Impurity QZT-IM-2-Z4 HCl|C1930112|2247108-04-7 https://www.jk-sci.com/products/j5329647 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2527435642e5f89d1877b60c21e87cbf.jpg?v=1791399220 (S)-Fmoc-2-amino-3-propargyloxy-propionic acid, Purity by HPLC ≥ 98% | 1354752-75-2 (S)-Fmoc-2-amino-3-propargyloxy-propionic acid|29647|1354752-75-2 https://www.jk-sci.com/products/s57c3d-2789 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149527_df15a23a-581e-4049-b897-30fbac6d1ad5.png?v=1791388989 Fmoc-Cys(Trt)-OH, 99.50% | 103213-32-7 Fmoc-Cys(Trt)-OH|C3D-2789|103213-32-7 https://www.jk-sci.com/products/s57c3d-4319 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519725.png?v=1791388580 D-Arg(Pbf)-OH, 91.90% | 200116-81-0 D-Arg(Pbf)-OH|C3D-4319|200116-81-0 https://www.jk-sci.com/products/s57c4x-1029115 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_44897bc5-98c9-4097-8cc8-abfdaacc9285.png?v=1791387195 Clopidogrel Impurity 115, 99.70% Clopidogrel Impurity 115|C4X-1029115 https://www.jk-sci.com/products/j5329654 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/850bf46ad409a38a8eae347cd90a55b7.jpg?v=1791399210 Fmoc-4-amino-4-methyl-pentanoic acid, Purity by HPLC ≥ 99% | 1310680-22-8 Fmoc-4-amino-4-methyl-pentanoic acid|29654|1310680-22-8 https://www.jk-sci.com/products/s57c4x-104611 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402904435ac19d0ea9e767855ea26dae.jpg?v=1791386823 Trelagliptin Impurity 11, 96.60% | 1938080-42-2 Trelagliptin Impurity 11|C4X-104611|1938080-42-2 https://www.jk-sci.com/products/j5327852 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27e3bce26ca061ceeab0ea60e40f4c79.jpg?v=1791401091 3',5'-Dibromoacetophenone, Purity by GC ≥ 98% | 14401-73-1 3',5'-Dibromoacetophenone|27852|14401-73-1 https://www.jk-sci.com/products/j5328288 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557bd8792e5e8daa31ac3c4a381292c0.jpg?v=1791400617 2-Iodo-5-hydroxybenzoic acid, Purity ≥ 98% (NMR) | 57772-57-3 2-Iodo-5-hydroxybenzoic acid|28288|57772-57-3 https://www.jk-sci.com/products/s57c4x-10512 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c129b996e1ffb4730a994e16a33472c.jpg?v=1791386749 Diclofenac EP Impurity C, 96.50% | 27204-57-5 Diclofenac EP Impurity C|C4X-10512|27204-57-5 https://www.jk-sci.com/products/j5328538 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/927de79592ab6be9bbcecdb2f60124ab.jpg?v=1791400313 2-Hydroxythiobenzamide, Purity by HPLC ≥ 99% | 7133-90-6 2-Hydroxythiobenzamide|28538|7133-90-6 https://www.jk-sci.com/products/s57c4x-106414 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60469c763483c67af9aa1f93a53282c7.jpg?v=1791386252 Ibrutinib Impurity 14, 99.30% | 2031255-23-7 Ibrutinib Impurity 14|C4X-106414|2031255-23-7 https://www.jk-sci.com/products/j5328669 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c89e08a00b540be098ce8ce2a6b77522.jpg?v=1791400164 3-Acetyl-5-bromopyridine, Purity by HPLC ≥ 98% | 38940-62-4 3-Acetyl-5-bromopyridine|28669|38940-62-4 https://www.jk-sci.com/products/s57c4x-33865 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_617b190b-8ba1-40f8-8a15-8aad4c285428.png?v=1791367154 Fovinaciclib Impurity 5, 92.50% Fovinaciclib Impurity 5|C4X-33865 https://www.jk-sci.com/products/j5328767 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78da8576b146a4a5000c55326eb681de.jpg?v=1791400054 5-Bromo-2-hydroxy-3-methylpyridine, Purity by HPLC ≥ 97% | 89488-30-2 5-Bromo-2-hydroxy-3-methylpyridine|28767|89488-30-2 https://www.jk-sci.com/products/s57c4x-108715 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53b12a83d8c39bde4e9487a3149b1c00.jpg?v=1791385137 Tadalafil Impurity 15, Purity: 99.5% | 171596-42-2 Tadalafil Impurity 15|C4X-108715|171596-42-2 https://www.jk-sci.com/products/j5328814 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c6ff989bce5971355309ddea1cbfeec.jpg?v=1791399990 6-Nitro-4-chromanone, Purity by HPLC ≥ 99% | 68043-53-8 6-Nitro-4-chromanone|28814|68043-53-8 https://www.jk-sci.com/products/j5328859 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60ecc26e191f0f0173603f6677b79de9.jpg?v=1791399916 5-Nitropyridine-2-carboxylic acid, Purity by HPLC ≥ 99% | 30651-24-2 5-Nitropyridine-2-carboxylic acid|28859|30651-24-2 https://www.jk-sci.com/products/j5328948 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd68fd1789518eb151eb61d03bbddbf8.jpg?v=1791399816 2-(3-Hydroxyphenyl)acetamide, Purity by GC ≥ 99% | 22446-41-9 2-(3-Hydroxyphenyl)acetamide|28948|22446-41-9 https://www.jk-sci.com/products/j5329005 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a3a8ab4073f0ea9e1fce649a2f2d4c.jpg?v=1791399765 2-Chloro-3,4-diaminopyridine, Purity by HPLC ≥ 99% | 39217-08-8 2-Chloro-3,4-diaminopyridine|29005|39217-08-8 https://www.jk-sci.com/products/j5329033 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93ce8803eeeddca0d8aefb10c4e7e01e.jpg?v=1791399731 Fmoc-(R)-2-(aminomethyl)-4-methylpentanoic acid, Purity by HPLC ≥ 99% | 1018899-99-4 Fmoc-(R)-2-(aminomethyl)-4-methylpentanoic acid|29033|1018899-99-4 https://www.jk-sci.com/products/j5329091 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e85df014540d1648abf2c67f7599875.jpg?v=1791399675 3-Bromo-4-methylphenol, Purity by GC ≥ 97% | 60710-39-6 3-Bromo-4-methylphenol|29091|60710-39-6 https://www.jk-sci.com/products/s57c4x-109566 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_989592be-052f-4417-9ec5-ac58210c7759.png?v=1791384696 Amlodipine N-Lactoside Besylate, 96.90% Amlodipine N-Lactoside Besylate|C4X-109566 https://www.jk-sci.com/products/j5329066 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d41869e04b6296ebdee153b765042716.jpg?v=1791399695 2-(4-Aminophenoxy)acetic acid hydrate, Assay by titration ≥ 99% | 2298-36-4 2-(4-Aminophenoxy)acetic acid hydrate|29066|2298-36-4 https://www.jk-sci.com/products/s57c4x-113110 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de4cbccce2ee768bf7622e2559896421.jpg?v=1791383484 Brexpiprazole Impurity 10, 98.30% | 1191900-58-9 Brexpiprazole Impurity 10|C4X-113110|1191900-58-9 https://www.jk-sci.com/products/j5329132 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/996f2a229545241c77bb610f6f629a8e.jpg?v=1791399629 2,3-Dichloro-5-methylpyridine, Purity by HPLC ≥ 99% | 59782-90-0 2,3-Dichloro-5-methylpyridine|29132|59782-90-0 https://www.jk-sci.com/products/s57c4x-116016 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94052bc63b28504c86ccbf87c4f5f921.jpg?v=1791382699 Cholic Acid Impurity 16, 98.80% | 2458-08-4 Cholic Acid Impurity 16|C4X-116016|2458-08-4 https://www.jk-sci.com/products/j5329181 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86e14c9380a1a9dda70c972ffeb75f29.jpg?v=1791399588 3-Amino-2,5-dibromopyridine, Purity by HPLC ≥ 98% | 90902-84-4 3-Amino-2,5-dibromopyridine|29181|90902-84-4 https://www.jk-sci.com/products/s57c4x-124319 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f69096733379fb8c80a3808aa52789dd.jpg?v=1791381132 Efinaconazole Impurity 19, 99.70% | 164650-45-7 Efinaconazole Impurity 19|C4X-124319|164650-45-7 https://www.jk-sci.com/products/j5329282 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66d43025c387a549565fac23a7a1db79.jpg?v=1791399508 4-Bromo-3-cyanotoluene, Purity by GC ≥ 98% | 42872-83-3 4-Bromo-3-cyanotoluene|29282|42872-83-3 https://www.jk-sci.com/products/j5329195 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7eb510e7914abe7fdbde163783ea638.jpg?v=1791399572 Tauroursodeoxycholic acid dihydrate, Purity by HPLC ≥ 98% | 14605-22-2 Tauroursodeoxycholic acid dihydrate|29195|14605-22-2 https://www.jk-sci.com/products/s57c4x-13456 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161232_ca066c5c-fbbd-4383-aa72-2b515fa4740b.png?v=1791379960 Spironolactone EP Impurity F, 99.90% | 976-71-6 Spironolactone EP Impurity F|C4X-13456|976-71-6 https://www.jk-sci.com/products/s57c4x-137312 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305b3e9c4b5ce39ef221d37a758c678f.jpg?v=1791379426 N-Formyl Kynurenine, 93.00% | 1022-31-7 N-Formyl Kynurenine|C4X-137312|1022-31-7 https://www.jk-sci.com/products/s57c4x-151410 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b223f4fdaf00becf78b49087c782473.jpg?v=1791377051 Norepinephrine Impurity 10, 94.90% | 2948-16-5 Norepinephrine Impurity 10|C4X-151410|2948-16-5 https://www.jk-sci.com/products/s57c4x-15188 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427321.png?v=1791376947 Thioctic Acid Impurity 8, 99.00% | 1070-65-1 Thioctic Acid Impurity 8|C4X-15188|1070-65-1 https://www.jk-sci.com/products/s57c1074173 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456f6d0007db00903fef53bf24eb937c.jpg?v=1791391425 Fondaparinux sodium Impurity N1, 97.60% | 114903-05-8 Fondaparinux sodium Impurity N1|C1074173|114903-05-8 https://www.jk-sci.com/products/s57c1078633 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386256_5c995a97-12ce-4498-9490-1ef408d9fafc.png?v=1791391419 Bis(2-nitrophenyl)disulfide, 99.20% | 1155-00-6 Bis(2-nitrophenyl)disulfide|C1078633|1155-00-6 https://www.jk-sci.com/products/j5329309 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ce2c395dc706ddf70479290baff0743.jpg?v=1791399492 1-Pentylimidazole, Purity by GC ≥ 97% | 19768-54-8 1-Pentylimidazole|29309|19768-54-8 https://www.jk-sci.com/products/j5329327 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7dd1277917feb4bb41b0892119a2141.jpg?v=1791399476 2-Fluoro-5-methylpyridine, Purity by GC ≥ 99% | 2369-19-9 2-Fluoro-5-methylpyridine|29327|2369-19-9 https://www.jk-sci.com/products/j5329361 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45f941c8e20ef9c49e93f07f89c8b018.jpg?v=1791399441 2-Chloro-3,5-dimethylpyridine, Purity by GC ≥ 98% | 72093-12-0 2-Chloro-3,5-dimethylpyridine|29361|72093-12-0 https://www.jk-sci.com/products/j5329340 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52a39786d7a09aa731696d33f1ae934b.jpg?v=1791399466 3-Bromo-4,5-dimethylpyridine, Purity by HPLC ≥ 97% | 27063-98-5 3-Bromo-4,5-dimethylpyridine|29340|27063-98-5 https://www.jk-sci.com/products/j5329371 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45f0b86607160f1a35e7a0ea23edce3f.jpg?v=1791399431 N-[N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)aminocarbonyl]-L-valine lithium salt, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30476af7f70f1e8404a1aca382c50b9d.jpg?v=1791391405 Bilastine Impurity N19, 99.50% | 1181267-30-0 Bilastine Impurity N19|C1095954|1181267-30-0 https://www.jk-sci.com/products/s57c1144133 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399c8702f6353ed6d44812855ffe6732.jpg?v=1791391333 Azasetron Impurity 1, 99.70% | 123040-79-9 Azasetron Impurity 1|C1144133|123040-79-9 https://www.jk-sci.com/products/j5329434 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66e273fa7a8da4ad777bb5f7b975fcea.jpg?v=1791399407 Ethyl 1H-pyrazole-4-carboxylate, Purity by HPLC ≥ 99 % || Purity ≥ 98% | 37622-90-5 Ethyl 1H-pyrazole-4-carboxylate|29434|37622-90-5 https://www.jk-sci.com/products/j5329581 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23523f89cb53781f57153f96e56167bc.jpg?v=1791399320 11-[D(+)-Biotinylamino]-1-azido-3,6,9-trioxaundecane, Purity by HPLC ≥ 98% | 875770-34-6 11-[D(+)-Biotinylamino]-1-azido-3,6,9-trioxaundecane|29581|875770-34-6 https://www.jk-sci.com/products/s57c1208012 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4123748e70488b4240979adea1c1f290.jpg?v=1791391271 Pimpinellin, 98.40% | 131-12-4 Pimpinellin|C1208012|131-12-4 https://www.jk-sci.com/products/s57c4x-34201 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29eb2e062ce4f70d9f5090f030bd0e8a.jpg?v=1791367144 Xylazine Impurity 1, Purity: 99.0% | 120077-91-0 Xylazine Impurity 1|C4X-34201|120077-91-0 https://www.jk-sci.com/products/j5329517 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311733923316aafddb1e7201487b6449.jpg?v=1791399356 b-Sitosterol, Purity by HPLC ≥ 98% | 83-46-5 b-Sitosterol|29517|83-46-5 https://www.jk-sci.com/products/j5329489 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ce7b2becb7c7fcaa25f59c2d507eedd.jpg?v=1791399371 3-Bromo-5-chloro-2-pyridone, Purity ≥ 95% (NMR) | 137628-16-1 3-Bromo-5-chloro-2-pyridone|29489|137628-16-1 https://www.jk-sci.com/products/s57ccad300387 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529540_6274a8d9-e17f-49a9-8782-667bdf8bcc54.png?v=1791367122 Pyrazinamide, Purity>95% | 98-96-4 Pyrazinamide|CCAD300387|98-96-4 https://www.jk-sci.com/products/j5329668 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15d6b0abb2168f968f8cb5c571fb79b.jpg?v=1791399178 Fmoc-4-(4-bromophenyl)-piperidine-4-carboxylic acid, Purity by HPLC ≥ 98% | 913542-81-1 Fmoc-4-(4-bromophenyl)-piperidine-4-carboxylic acid|29668|913542-81-1 https://www.jk-sci.com/products/j5329635 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37b200b7a77809bda91c81288c4af690.jpg?v=1791399235 (R)-Fmoc-2-amino-2-methyl-succinic acid-4-tert-butyl ester, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525772.png?v=1791390630 2,3-Dichloropropionic acid, 97.70% | 565-64-0 2,3-Dichloropropionic acid|C1596419|565-64-0 https://www.jk-sci.com/products/s57ccad300161 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515287_7e46198c-c1e5-4894-b236-f23253c15c3f.png?v=1791367128 Corticosterone, Purity>95% | 50-22-6 Corticosterone|CCAD300161|50-22-6 https://www.jk-sci.com/products/j5329672 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1509e6f5990ef1bfb39463e52b5e9ba8.jpg?v=1791399173 Fmoc-N-(propyl)-glycine, Assay by titration 99 - 100% || Purity by HPLC ≥ 99% | 1310680-42-2 Fmoc-N-(propyl)-glycine|29672|1310680-42-2 https://www.jk-sci.com/products/s57c1795535 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153242.png?v=1791390200 Bradykinin | 58-82-2 Bradykinin|C1795535|58-82-2 https://www.jk-sci.com/products/s57c1798766 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be9b4827134ba8d8b79707c33c6dea99.jpg?v=1791390157 Citreorosein, 94.10% | 481-73-2 Citreorosein|C1798766|481-73-2 https://www.jk-sci.com/products/s57ccad300010 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228703.png?v=1791367138 Beta-Estradiol, 95.9% | 50-28-2 Beta-Estradiol|CCAD300010|50-28-2 https://www.jk-sci.com/products/j5329607 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71eeace68261df742bd62e7328843dd1.jpg?v=1791399282 (1S,2R)-Boc-2-aminocyclohexane carboxylic acid, Assay ≥ 97% | 865689-36-7 (1S,2R)-Boc-2-aminocyclohexane carboxylic acid|29607|865689-36-7 https://www.jk-sci.com/products/j5329650 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95aefe02c6bce6d32d072a9da3789769.jpg?v=1791399215 Fmoc-L-Tyr(propargyl)-OH, Purity by HPLC ≥ 99% | 1204595-05-0 Fmoc-L-Tyr(propargyl)-OH|29650|1204595-05-0 https://www.jk-sci.com/products/s57c1799289 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3028aaf5c850afdce47eef008acabbf3.jpg?v=1791390152 Crizotinib Impurity 01, 99.10% | 877399-51-4 Crizotinib Impurity 01|C1799289|877399-51-4 https://www.jk-sci.com/products/j5329681 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c155e26f2baeba58edc7795a8e3bc5a1.jpg?v=1791399159 (R,S)-Fmoc-3-amino-2-(naphthalen-1-yl)-propionic acid, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63deb4748c4210dc1683e6efd9110ba2.jpg?v=1791399301 Boc-4-amino-3,3-dimethyl-butyric acid, Purity by HPLC ≥ 97% | 1310680-18-2 Boc-4-amino-3,3-dimethyl-butyric acid|29594|1310680-18-2 https://www.jk-sci.com/products/s57ccad300459 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/465447.png?v=1791367117 Testosterone, 99.0% | 58-22-0 Testosterone|CCAD300459|58-22-0 https://www.jk-sci.com/products/s57ccad300626 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481973_fbc80061-d6a4-4656-8273-ee739a38bf69.png?v=1791367106 Cefoperazone, >95% | 62893-19-0 Cefoperazone|CCAD300626|62893-19-0 https://www.jk-sci.com/products/s57c1805445 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dd6047d7c26b22d17b783c5d5d9e83f.jpg?v=1791390118 DL-2-Methoxyamphetamine hydrochloride, 94.70% | 72739-03-8 DL-2-Methoxyamphetamine hydrochloride|C1805445|72739-03-8 https://www.jk-sci.com/products/s57c1806032 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5d1609829e3e4b5bf6f8b467937074b.jpg?v=1791390113 d-alpha-Tocopheryl Retinoate, 92.80% | 40516-49-2 d-alpha-Tocopheryl Retinoate|C1806032|40516-49-2 https://www.jk-sci.com/products/s57ccad300530 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250693_ad931267-7353-4ee5-96b7-15f0e1158451.png?v=1791367115 Ciprofloxacin, Purity: 93.1% | 85721-33-1 Ciprofloxacin|CCAD300530|85721-33-1 https://www.jk-sci.com/products/s57ccad300254 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501592.png?v=1791367128 Hydrocortisone, 99.9% | 50-23-7 Hydrocortisone|CCAD300254|50-23-7 https://www.jk-sci.com/products/s57ccad300039 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204292.png?v=1791367139 5Alpha-Androstan-17Beta-Ol-3-One, 96.7% | 521-18-6 5Alpha-Androstan-17Beta-Ol-3-One|CCAD300039|521-18-6 https://www.jk-sci.com/products/j5329689 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cdcfe0c27fb4beca197fde528644e56.jpg?v=1791399139 (2S,4R)-Fmoc-4-phenoxy-pyrrolidine-2-carboxylic acid, Purity by HPLC ≥ 98% | 1313390-76-9 (2S,4R)-Fmoc-4-phenoxy-pyrrolidine-2-carboxylic acid|29689|1313390-76-9 https://www.jk-sci.com/products/s57ccad300575 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205095_6cc6d80a-e063-40ce-90fb-6ebc4e6bc393.png?v=1791367111 Pipracil, 95.0% | 61477-96-1 Pipracil|CCAD300575|61477-96-1 https://www.jk-sci.com/products/s57c1854990 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9fbef22f581099af8d4d4364f115126_993ac341-6710-4ca2-ae47-953c18e8c250.jpg?v=1791389894 N-(2-Aminoethyl)methanesulfonamide Hydrochloride, 90.10% | 202197-61-3 N-(2-Aminoethyl)methanesulfonamide Hydrochloride|C1854990|202197-61-3 https://www.jk-sci.com/products/s57c3d-1545 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d6aeadd51e693c12a5ece675f1751b.jpg?v=1791389390 2-Amino-3-bromobenzaldehyde, 97.10% | 145123-24-6 2-Amino-3-bromobenzaldehyde|C3D-1545|145123-24-6 https://www.jk-sci.com/products/j5329697 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73e92aba34f6aaec5cec1c5f6bb524dd.jpg?v=1791399128 Fmoc-3-amino-2,2-difluoro-propionic acid, Purity by HPLC ≥ 97% | 1310680-49-9 Fmoc-3-amino-2,2-difluoro-propionic acid|29697|1310680-49-9 https://www.jk-sci.com/products/j5329713 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4e6c91ae792f4ee7f64c065dc664bf3.jpg?v=1791399100 (R)-Fmoc-2-aminomethyl-3-methyl-butyric acid, Purity by HPLC ≥ 99% | 501331-02-8 (R)-Fmoc-2-aminomethyl-3-methyl-butyric acid|29713|501331-02-8 https://www.jk-sci.com/products/s57c3d-25809 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/963f2cb53d82bda26b5fc56bbcc7179f.jpg?v=1791389260 Tetradecyl Nicotinate, Purity: 99.4% | 273203-62-6 Tetradecyl Nicotinate|C3D-25809|273203-62-6 https://www.jk-sci.com/products/s57c3d-25942 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602263.png?v=1791389170 【停用，见C4X-14691】3,6-Dimethoxypyridazine, 99.70% | 24155-42-8 【停用，见C4X-14691】3,6-Dimethoxypyridazine|C3D-25942|24155-42-8 https://www.jk-sci.com/products/s57c3d-2949 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f58fca5c4212b016a351fcfea4f4213d.jpg?v=1791388916 Di-tert-butyl piperazine-1,4-dicarboxylate, 98.00% | 76535-75-6 Di-tert-butyl piperazine-1,4-dicarboxylate|C3D-2949|76535-75-6 https://www.jk-sci.com/products/s57c3d-6028 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7db92b64c166971d284d53912a5e13a1.jpg?v=1791388073 moprolol, Purity: 98.1% | 5741-22-0 moprolol|C3D-6028|5741-22-0 https://www.jk-sci.com/products/s57c4x-10025 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcf30f4994701712759a4878ac766968.jpg?v=1791387940 Clarithromycin EP Impurity M, 95.80% | 127182-43-8 Clarithromycin EP Impurity M|C4X-10025|127182-43-8 https://www.jk-sci.com/products/j5329735 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/debe819a6e8250fb20f215d464b0cc7d.jpg?v=1791399073 Na-Boc-Nd-Z-D-ornithine N-hydroxysuccinimide ester, Purity by HPLC ≥ 95% Na-Boc-Nd-Z-D-ornithine N-hydroxysuccinimide ester|29735 https://www.jk-sci.com/products/j5329752 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6dc3f780898d3462ac182247e6fe354.jpg?v=1791399051 Blasticidin S hydrochloride, Purity by HPLC ≥ 98% | 3513-03-9 Blasticidin S hydrochloride|29752|3513-03-9 https://www.jk-sci.com/products/s57c4x-100612 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338c88420ef54296c6ca7f0bbba4233a.jpg?v=1791387879 Afatinib impurity 12, Purity: 97.9% | 1680184-59-1 Afatinib impurity 12|C4X-100612|1680184-59-1 https://www.jk-sci.com/products/s57c4x-100822 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36c7aae2dfaa16872d94da31879d440c.jpg?v=1791387813 Aripiprazole EP Impurity F, 99.20% | 573691-09-5 Aripiprazole EP Impurity F|C4X-100822|573691-09-5 https://www.jk-sci.com/products/s57c4x-1020135 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566097.png?v=1791387487 Vonoprazan Impurity 135, 80.40% | 55717-46-9 Vonoprazan Impurity 135|C4X-1020135|55717-46-9 https://www.jk-sci.com/products/s57c4x-1020219 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab84130e301f18a4167500861321c8e3.jpg?v=1791387444 Vonoprazan Impurity 219, 90.30% | 123151-15-5 Vonoprazan Impurity 219|C4X-1020219|123151-15-5 https://www.jk-sci.com/products/s57ccad300711 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335371.png?v=1791367103 17beta-Estradiol-D4, Purity>95% | 66789-03-5 17beta-Estradiol-D4|CCAD300711|66789-03-5 https://www.jk-sci.com/products/j5329770 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e506941cf5df83ea57b5fc6eeca3795.jpg?v=1791399029 D-Cysteine ethyl ester hydrochloride, Purity by HPLC ≥ 98.5% | 75521-14-1 D-Cysteine ethyl ester hydrochloride|29770|75521-14-1 https://www.jk-sci.com/products/j5329791 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbfe17ea4f9865af3e0842dc147031ad_8d6b2aff-5a2f-46a3-b4f0-a785aad9c03d.jpg?v=1791398998 Trityl chloride resin (1 - 2 mmol/g, 200 - 400 mesh), Mesh Size 200 - 400 mesh || Substitution (meq/g) 1 - 2 mmol/g resin Trityl chloride resin (1 - 2 mmol/g, 200 - 400 mesh)|29791 https://www.jk-sci.com/products/j5329775 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f282f6a04fe270bd616812b79df86fd.jpg?v=1791399020 (2S,5S)-Boc-5-methylpyrrolidine-2-carboxylic acid, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 334769-80-1 (2S,5S)-Boc-5-methylpyrrolidine-2-carboxylic acid|29775|334769-80-1 https://www.jk-sci.com/products/j5329795 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b574428990f3ca7f74e860c498af93d.jpg?v=1791398990 Calcium chloride anhydrous, Assay ≥ 96% | 10043-52-4 Calcium chloride anhydrous|29795|10043-52-4 https://www.jk-sci.com/products/s57c4x-102523 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4be15c4302e96532e9dfddaec5f51321.jpg?v=1791387292 Crizotinib impurity 23, 99.20% | 877399-73-0 Crizotinib impurity 23|C4X-102523|877399-73-0 https://www.jk-sci.com/products/j5329809 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbfbc716b243ea8ecd76029725c1688e.jpg?v=1791398969 Guanosine, Low endotoxin: = 0.5 EU/mg, Assay by titration 98 - 102% (anhydrous basis) || Purity by HPLC ≥ 99% | 118-00-3 Guanosine, Low endotoxin: = 0.5 EU/mg|29809|118-00-3 https://www.jk-sci.com/products/s57c4x-103115 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/666b2499a70c0f9139b4ca7aa7737ae9.jpg?v=1791387128 Montelukast EP Impurity E, 95.50% | 1187586-58-8 Montelukast EP Impurity E|C4X-103115|1187586-58-8 https://www.jk-sci.com/products/s57c4x-103942 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489669_9028cde8-8f60-43b1-87d8-0ae294bb1b0c.png?v=1791386950 Donepezil EP impurity A, Purity: 99.3% | 120014-30-4 Donepezil EP impurity A|C4X-103942|120014-30-4 https://www.jk-sci.com/products/s57c4x-105745 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cfe1afed7452ede43be8ad90f33c766.jpg?v=1791386473 Valsartan Impurity 45, Purity: 98.0% | 358685-13-9 Valsartan Impurity 45|C4X-105745|358685-13-9 https://www.jk-sci.com/products/s57c4x-105983 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_120cf443-cae0-4989-b142-022d3b160492.png?v=1791386380 Cinacalcet impurity 83, 96.00% Cinacalcet impurity 83|C4X-105983 https://www.jk-sci.com/products/j5329822 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03ce331908589cc5d6014302199121ba.jpg?v=1791398955 H-Val-Ala-pNA·AcOH, Assay by titration ≥ 95% || Purity by HPLC ≥ 99% | 108321-94-4 H-Val-Ala-pNA·AcOH|29822|108321-94-4 https://www.jk-sci.com/products/s57c4x-108412 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bd6d31ac5e7f2427dba78e901d335ae_c460e46a-994b-4bda-a9f4-f0da3e54c788.jpg?v=1791385277 Roflumilast N-Oxide, 98.60% | 292135-78-5 Roflumilast N-Oxide|C4X-108412|292135-78-5 https://www.jk-sci.com/products/s57c4x-10872 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6256fd70366142d6ec086d637d7d887_8d17a5e4-8698-414c-9b2d-f2090c45ee53.jpg?v=1791385120 Tadalafil EP Impurity B, 99.30% | 629652-72-8 Tadalafil EP Impurity B|C4X-10872|629652-72-8 https://www.jk-sci.com/products/j5329839 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd6109ecda6d5c856fcbc37684630dcb.jpg?v=1791398934 Risedronate Sodium Hemipentahydrate USP, Purity by HPLC 98 - 102% | 329003-65-8 Risedronate Sodium Hemipentahydrate USP|29839|329003-65-8 https://www.jk-sci.com/products/s57c4x-121370 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c4a2c674-6daf-411f-acf8-7a92791e1e07.png?v=1791381597 Roxatidine impurity 70, 98.60% Roxatidine impurity 70|C4X-121370 https://www.jk-sci.com/products/j5329827 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d1320f87d9c3e00b64872ecee0189c3.jpg?v=1791398951 Camphorquinone, Purity by GC ≥ 99% | 10373-78-1 Camphorquinone|29827|10373-78-1 https://www.jk-sci.com/products/j5329884 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6cdb69c8edae59674734c8e39419a39.jpg?v=1791398872 Dextran powder, Mw ~ 500000 | 9004-54-0 Dextran powder, Mw ~ 500000|29884|9004-54-0 https://www.jk-sci.com/products/s57c4x-12307 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/892d2d4bb0fb3dc1315a30cf34f0d0e7.jpg?v=1791381449 Dexmedetomidine Impurity 7, 95.60% | 86347-12-8 Dexmedetomidine Impurity 7|C4X-12307|86347-12-8 https://www.jk-sci.com/products/s57c4x-126750 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c0156e755f964dee43c212e5892e0a3.jpg?v=1791380752 Ixazomib Impurity 50, Purity: 99.4% | 220315-20-8 Ixazomib Impurity 50|C4X-126750|220315-20-8 https://www.jk-sci.com/products/s57c4x-137322 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/670ebad39d9cac9d7de2a76f6f57a879.jpg?v=1791379422 Tryptophan Impurity 22, 91.40% | 881025-90-7 Tryptophan Impurity 22|C4X-137322|881025-90-7 https://www.jk-sci.com/products/j5329893 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c22bd608d3ccc4bd12722d30161e202.jpg?v=1791398852 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ec0d95e673f7cc601779cc913dc85da.jpg?v=1791398886 4-Bromo-2-nitrotoluene, Purity by GC ≥ 98% | 60956-26-5 4-Bromo-2-nitrotoluene|29872|60956-26-5 https://www.jk-sci.com/products/j5329848 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c54e69c36e5f72d2141702f11a76415.jpg?v=1791398929 4-Methoxy-2,3-dihydro-1H-indole hydrochloride, Purity by HPLC ≥ 99% | 90609-70-4 4-Methoxy-2,3-dihydro-1H-indole hydrochloride|29848|90609-70-4 https://www.jk-sci.com/products/j5329887 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e2ecbdfc4f15d82e79887f9e3a67c03.jpg?v=1791398862 Dextran powder, Mw ~ 10000 | 9004-54-0 Dextran powder, Mw ~ 10000|29887|9004-54-0 https://www.jk-sci.com/products/s57c4x-151462 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56f426f1-375e-4fb3-861b-b0fb39f42bbc.png?v=1791377008 Norepinephrine EP Impurity G HCl, Purity: 99.3% Norepinephrine EP Impurity G HCl|C4X-151462 https://www.jk-sci.com/products/s57ccad300759 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332724_36bf0d63-23bd-4676-a6bf-d5ca868d7d6e.png?v=1791367099 D-Pantothenic Acid, Technical?Grade | 79-83-4 D-Pantothenic Acid|CCAD300759|79-83-4 https://www.jk-sci.com/products/s57c1052708 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c122afd6871f990b2ab59e43f4ba8658.jpg?v=1791391481 Glutaryl Carnitine, Purity>95% | 109006-11-3 Glutaryl Carnitine|C1052708|109006-11-3 https://www.jk-sci.com/products/s57c1312891 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23278eb753c0fe1037623d1b3101c9d0.jpg?v=1791391107 5-(4-Bromophenyl)-4,6-dichloropyrimidine, Purity: 99.9% | 146533-41-7 5-(4-Bromophenyl)-4,6-dichloropyrimidine|C1312891|146533-41-7 https://www.jk-sci.com/products/j5328457 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbe0c6f1c147a0272a21f121e0e52d78.jpg?v=1791400415 3-Methyl-2-nitro-benzoic acid methyl ester, Purity ≥ 99% | 5471-82-9 3-Methyl-2-nitro-benzoic acid methyl ester|28457|5471-82-9 https://www.jk-sci.com/products/s57c1364821 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ae79de843cbc3e58551246f6697e5fc.jpg?v=1791391000 N-(4-Hydroxybenzylidene)aniline, Purity: 100.0% | 1689-73-2 N-(4-Hydroxybenzylidene)aniline|C1364821|1689-73-2 https://www.jk-sci.com/products/s57c1557746 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e206db9805f5408f116225e383c2791.jpg?v=1791390688 2-((2-Fluorobenzyl)amino)ethanol, 97.20% | 64834-60-2 2-((2-Fluorobenzyl)amino)ethanol|C1557746|64834-60-2 https://www.jk-sci.com/products/j5329905 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a71d73886d6b3201280d4b4b4e3b55e8.jpg?v=1791398842 3,4-Dimethoxybenzoic acid, Assay by titration ≥ 99% (On dry basis) | 93-07-2 3,4-Dimethoxybenzoic acid|29905|93-07-2 https://www.jk-sci.com/products/s57c1703730 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522471_010d4d78-283f-4b38-87e7-05700e6c14a8.png?v=1791390404 N-[4-(Trifluoromethyl)phenyl]acetamide, 99.80% | 349-97-3 N-[4-(Trifluoromethyl)phenyl]acetamide|C1703730|349-97-3 https://www.jk-sci.com/products/s57c1788279 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e0a46b700f45708a8e382758f265cb0.jpg?v=1791390262 Acetyl-4-iodo-DL-phenylalanine | 457615-88-2 Acetyl-4-iodo-DL-phenylalanine|C1788279|457615-88-2 https://www.jk-sci.com/products/s57c1818618 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d0bf930d4cc410de93770c1bf9ff9d3.jpg?v=1791390068 Roxadustat Impurity N1, 99.50% | 808116-52-1 Roxadustat Impurity N1|C1818618|808116-52-1 https://www.jk-sci.com/products/s57c1866927 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d155cb0947cc7baf86fe21e1cabf266.jpg?v=1791389884 N-(5-Bromo-3-methylpyridin-2-yl)-N-methylbenzamide, 98.10% | 446299-80-5 N-(5-Bromo-3-methylpyridin-2-yl)-N-methylbenzamide|C1866927|446299-80-5 https://www.jk-sci.com/products/s57c1894627 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0e2dc78f10cea6c4809584704d0eb9.jpg?v=1791389755 Saxagliptin Impurity N38, 93.80% | 709031-29-8 Saxagliptin Impurity N38|C1894627|709031-29-8 https://www.jk-sci.com/products/s57c1917765 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301194.png?v=1791389612 1-(tert-Butyl)-4-iodobenzene, 99.00% | 35779-04-5 1-(tert-Butyl)-4-iodobenzene|C1917765|35779-04-5 https://www.jk-sci.com/products/j5328727 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2909f9d5842fd02409c55c00977dc1f.jpg?v=1791400096 2-Chloro-5-acetylpyridine, Purity by HPLC ≥ 99% | 55676-22-7 2-Chloro-5-acetylpyridine|28727|55676-22-7 https://www.jk-sci.com/products/s57c1932081 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4af5dea8e3ecd60732ab5e4a9294670.jpg?v=1791389401 Efavirenz Related Compound A, 98.20% | 209414-27-7 Efavirenz Related Compound A|C1932081|209414-27-7 https://www.jk-sci.com/products/j5328839 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7547cc4732db35500edf1b7a777453bc.jpg?v=1791399955 3-Bromo-2-fluoropyridine, Purity by GC ≥ 98% | 36178-05-9 3-Bromo-2-fluoropyridine|28839|36178-05-9 https://www.jk-sci.com/products/j5329055 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2d5a0f4f8e051d5d443cde6277bf19e.jpg?v=1791399714 Imidazo[1,2-b]pyridazine, Purity ≥ 99.5% | 766-55-2 Imidazo[1,2-b]pyridazine|29055|766-55-2 https://www.jk-sci.com/products/j5329107 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92b3f0b786e627e9ac8ca9d1ab29707a.jpg?v=1791399656 2-Chloro-1,3-bis(dimethylamino)trimethinium hexafluorophosphate, Purity by HPLC ≥ 99% | 291756-76-8 2-Chloro-1,3-bis(dimethylamino)trimethinium hexafluorophosphate|29107|291756-76-8 https://www.jk-sci.com/products/s57c3d-2327 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297270_381ac7d9-ae7c-4c1e-a1ff-78d314f8ca1e.png?v=1791389307 1-Ethylpiperidin-3-Amine, 92.20% | 6789-94-2 1-Ethylpiperidin-3-Amine|C3D-2327|6789-94-2 https://www.jk-sci.com/products/j5328976 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4544713a08d75d0a3b6616771fe43d1f.jpg?v=1791399785 5-Bromo-7-azaindole, Purity by HPLC ≥ 99% | 183208-35-7 5-Bromo-7-azaindole|28976|183208-35-7 https://www.jk-sci.com/products/j5329297 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3ad1af2ebf2351e83d23512950f4e95.jpg?v=1791399497 5'-Bromo-2'-hydroxy-4'-methylacetophenone, Assay ≥ 97% | 50342-17-1 5'-Bromo-2'-hydroxy-4'-methylacetophenone|29297|50342-17-1 https://www.jk-sci.com/products/s57c3d-25899 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618102.png?v=1791389193 5-Aminolevulinic Acid Hydrochloride, 96.30% | 5451-09-2 5-Aminolevulinic Acid Hydrochloride|C3D-25899|5451-09-2 https://www.jk-sci.com/products/j5329367 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26c066d5f4a8fdf991543f526d2ea126.jpg?v=1791399435 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34860ee9feacfbc9514dd09768fb6ad.jpg?v=1791399577 4-Chloro-2-hydroxy-3-nitropyridine, Purity by HPLC ≥ 99% | 165547-79-5 4-Chloro-2-hydroxy-3-nitropyridine|29186|165547-79-5 https://www.jk-sci.com/products/j5329330 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f07d1e9ce3bb169a6fc021ec707d5381.jpg?v=1791399471 3-Amino-2-bromo-6-chloropyridine, Purity by GC ≥ 98% | 1050501-88-6 3-Amino-2-bromo-6-chloropyridine|29330|1050501-88-6 https://www.jk-sci.com/products/s57c3d-26035 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ae2ff9b38c19a3b4122f97fe9e7c68e_609a655d-334f-4240-91bd-9e1a0a94eb0f.jpg?v=1791389122 4-Bromobenzo[b]thiophene-2-carboxylic acid, 97.80% | 5194-37-6 4-Bromobenzo[b]thiophene-2-carboxylic acid|C3D-26035|5194-37-6 https://www.jk-sci.com/products/s57c3d-3626 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577325_2d0f425f-a821-406b-b42d-cba625e2822e.png?v=1791388734 (R)-(+)-Tetrahydrofuran-2-carboxylic Acid, 97.10% | 87392-05-0 (R)-(+)-Tetrahydrofuran-2-carboxylic Acid|C3D-3626|87392-05-0 https://www.jk-sci.com/products/j5329547 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462a10ed3b5a960e9fa0783c2285a002.jpg?v=1791399346 Sodium tert-butoxide solution | 865-48-5 Sodium tert-butoxide solution|29547|865-48-5 https://www.jk-sci.com/products/s57c3d-4922 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513711.png?v=1791388450 β-Nornicotyrine, 92.20% | 494-98-4 β-Nornicotyrine|C3D-4922|494-98-4 https://www.jk-sci.com/products/j5329438 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f2705c40bd6c67d92eed92b37154c4b.jpg?v=1791399401 3-Amino-4-bromo-2-methylpyridine, Purity by HPLC ≥ 99% | 126325-48-2 3-Amino-4-bromo-2-methylpyridine|29438|126325-48-2 https://www.jk-sci.com/products/s57c3d-5729 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d76909926338f89d396b1062314d292.jpg?v=1791388219 N-cyclohexylmorpholine-4-carboxamide, Purity: 95.6% | 3417-54-7 N-cyclohexylmorpholine-4-carboxamide|C3D-5729|3417-54-7 https://www.jk-sci.com/products/j5329602 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/752a59aae924ea86367a311cd7975978.jpg?v=1791399287 (R,S)-Boc-3-amino-2-(3,4-dimethoxy-benzyl)-propionic acid, Purity by HPLC ≥ 97% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21df8480da529f28f09dc2d555850f16.jpg?v=1791387169 Clopidogrel Impurity 32, Purity: 98.8% | 1258938-54-3 Clopidogrel Impurity 32|C4X-102932|1258938-54-3 https://www.jk-sci.com/products/j5329645 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb46c541b888a6b31e48014d56d6fd8e.jpg?v=1791399221 Fmoc-a-methyl-D-4-bromophenylalanine, Purity by HPLC ≥ 98% | 1310682-06-4 Fmoc-a-methyl-D-4-bromophenylalanine|29645|1310682-06-4 https://www.jk-sci.com/products/j5329691 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79445a2aed2bcec7ba2be3a53b7daf9a.jpg?v=1791399137 (2S,4S)-Fmoc-4-trifluoromethyl-pyrrolidine-2-carboxylic acid, Purity by HPLC ≥ 98% | 1242934-32-2 (2S,4S)-Fmoc-4-trifluoromethyl-pyrrolidine-2-carboxylic acid|29691|1242934-32-2 https://www.jk-sci.com/products/j5329666 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117e382206e36e0626fb897249d38b92.jpg?v=1791399182 Fmoc-4-(4-chlorophenyl)-piperidine-4-carboxylic acid, Purity by HPLC ≥ 99% | 887129-04-6 Fmoc-4-(4-chlorophenyl)-piperidine-4-carboxylic acid|29666|887129-04-6 https://www.jk-sci.com/products/j5329679 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fa401e7e353d27436b44f4e1a1ec5ae.jpg?v=1791399159 (R,S)-Fmoc-3-amino-2-(naphthalen-1-ylmethyl)-propionic acid, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/727f94da19390179db1f15a3c76a00bc.jpg?v=1791399083 7-Aminoheptanoic acid hydrochloride | 62643-56-5 7-Aminoheptanoic acid hydrochloride|29725|62643-56-5 https://www.jk-sci.com/products/s57c4x-10509 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1d78bcae4388016d601b8ea2820b1d2.jpg?v=1791386759 Salmeterol Impurity 9, 96.40% | 27475-14-5 Salmeterol Impurity 9|C4X-10509|27475-14-5 https://www.jk-sci.com/products/s57c4x-105717 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff19e04ed648bb8e07134dd0b95070f3.jpg?v=1791386491 Valsartan Impurity 17 ( Losartan EP Impurity E ), 99.10% | 120568-11-8 Valsartan Impurity 17 ( Losartan EP Impurity E )|C4X-105717|120568-11-8 https://www.jk-sci.com/products/j5329789 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0fe27294cfb6a126262e5328303cd44.jpg?v=1791398998 3-(Methylthio)-1-propanol, Purity by GC ≥ 98% | 505-10-2 3-(Methylthio)-1-propanol|29789|505-10-2 https://www.jk-sci.com/products/j5329753 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d682fa2068d3074493e80c1f99fa788.jpg?v=1791399046 Fmoc-N-(2-tert-butoxyethyl)glycine, Purity by HPLC ≥ 99% | 141743-30-8 Fmoc-N-(2-tert-butoxyethyl)glycine|29753|141743-30-8 https://www.jk-sci.com/products/s57c4x-106236 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f33bffeb-acff-4d1d-ad3f-17633f358575.png?v=1791386332 Edaravone impurity 36 (Mixture of Enantiomers), 92.90% Edaravone impurity 36 (Mixture of Enantiomers)|C4X-106236 https://www.jk-sci.com/products/s57c4x-10629 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90f4a7d86d09dba21d3f12bc1fb301e.jpg?v=1791386314 Edaravone Impurity 9, 99.50% | 19735-89-8 Edaravone Impurity 9|C4X-10629|19735-89-8 https://www.jk-sci.com/products/s57c4x-10814 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8461bb3aa6b18796c8ca65fc2cd8f1a8.jpg?v=1791385447 Diacerein EP Impurity G, 98.20% | 64951-96-8 Diacerein EP Impurity G|C4X-10814|64951-96-8 https://www.jk-sci.com/products/j5329798 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3973cae4a7bb1c8c7868cb0ce6c77a27.jpg?v=1791398989 3-N-Boc-aminomethyl pyrrolidine hydrochloride, Purity by HPLC ≥ 97% | 1188263-69-5 3-N-Boc-aminomethyl pyrrolidine hydrochloride|29798|1188263-69-5 https://www.jk-sci.com/products/s57ccad300821 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623756_4dd8658f-d766-43ac-886e-8edf1be217aa.png?v=1791367100 Everolimus, 99.5% | 159351-69-6 Everolimus|CCAD300821|159351-69-6 https://www.jk-sci.com/products/s57c4x-10822 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4df0d5ca0693b878c115575b044b90a.jpg?v=1791385405 Ibuprofen EP Impurity B, 92.20% | 3585-49-7 Ibuprofen EP Impurity B|C4X-10822|3585-49-7 https://www.jk-sci.com/products/j5329823 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afccb617193da0673911681d075e5568.jpg?v=1791398956 Adenosine free base, Bacterial Endotoxins = 50 EU/100g, Purity by HPLC ≥ 99.5% | 58-61-7 Adenosine free base, Bacterial Endotoxins = 50 EU/100g|29823|58-61-7 https://www.jk-sci.com/products/j5329888 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d50a51d5c3f227eb09d061f7d9268cd4.jpg?v=1791398862 Dextran powder, Mw ~ 20000 | 9004-54-0 Dextran powder, Mw ~ 20000|29888|9004-54-0 https://www.jk-sci.com/products/s57c4x-1090113 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c00942c8677f0a74e31240a15d9c08f.jpg?v=1791384974 Rivaroxaban Impurity113, Purity: 99.7% | 119835-88-0 Rivaroxaban Impurity113|C4X-1090113|119835-88-0 https://www.jk-sci.com/products/j5329840 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d32a8e4697e7b496f7fdf4f32810cae4.jpg?v=1791398935 Benzoin, Purity ≥ 99% | 119-53-9 Benzoin|29840|119-53-9 https://www.jk-sci.com/products/s57c4x-109531 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6ed5c484c93c9a1ca15a5efe6e1ca0c.jpg?v=1791384727 Amlodipine Besylate EP Impurity D, 99.10% | 113994-41-5 Amlodipine Besylate EP Impurity D|C4X-109531|113994-41-5 https://www.jk-sci.com/products/s57ccad301034 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496697.png?v=1791367094 Olanzapine, Purity: 100.0% | 132539-06-1 Olanzapine|CCAD301034|132539-06-1 https://www.jk-sci.com/products/j5329910 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0ab21c81e2f8857dbe14f388f54f835.jpg?v=1791398832 2-Amino-5-cyanobenzoic acid, Purity by HPLC ≥ 97% | 99767-45-0 2-Amino-5-cyanobenzoic acid|29910|99767-45-0 https://www.jk-sci.com/products/s57c4x-119313 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91d18f52195dfb4a323cfec913247a38.jpg?v=1791382012 Cefepime EP Impurity E(HCl), 85.50% | 103121-85-3 Cefepime EP Impurity E(HCl)|C4X-119313|103121-85-3 https://www.jk-sci.com/products/j5329883 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e56882c6810e21c60631d1cba3c901e8.jpg?v=1791398874 Xanthine monosodium salt, monohydrate, Assay ≥ 96% (Dry basis) | 1196-43-6 Xanthine monosodium salt, monohydrate|29883|1196-43-6 https://www.jk-sci.com/products/s57c4x-11945 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94820bdcad986b24740ef37f9dfee9a7.jpg?v=1791381995 Lamivudine EP Impurity B(Enantiomer Mixture), 98.70% | 131086-22-1 Lamivudine EP Impurity B(Enantiomer Mixture)|C4X-11945|131086-22-1 https://www.jk-sci.com/products/s57c4x-12444 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1feabafb-ba1d-4d4b-b4c8-2b48a91f55e7.png?v=1791381094 Quetiapine Impurity 4, Purity: 98.8% Quetiapine Impurity 4|C4X-12444 https://www.jk-sci.com/products/s57c4x-130855 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_036f8284-5ea6-469e-b0d3-1f999d1452c6.png?v=1791380528 Levosimendan Impurity 55, Purity: 97.7% Levosimendan Impurity 55|C4X-130855 https://www.jk-sci.com/products/s57c4x-138618 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c4b7095-5a0a-43d1-a477-bfe37538652f.png?v=1791379265 Raltitrexed Impurity 18, 90.80% Raltitrexed Impurity 18|C4X-138618 https://www.jk-sci.com/products/j5329920 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473fff1725328ffab7f828a8cf7091ab.jpg?v=1791398820 Aluminum potassium sulfate dodecahydrate, Assay by titration 99.5-100.5% | 7784-24-9 Aluminum potassium sulfate dodecahydrate|29920|7784-24-9 https://www.jk-sci.com/products/s57c4x-13952 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281546_4fe3a587-762f-49f5-b361-da20a40ba809.png?v=1791379103 Folic acid EP Impurity B, 99.20% | 1004-75-7 Folic acid EP Impurity B|C4X-13952|1004-75-7 https://www.jk-sci.com/products/s57c4x-15197 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6be8a282dfa4a0320ce1c10df295e9f0.jpg?v=1791376920 Propranolol Impurity 7, Purity: 99.4% | 34646-56-5 Propranolol Impurity 7|C4X-15197|34646-56-5 https://www.jk-sci.com/products/s57c1192402 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7056c15db44e97415351dcabfa5bdc23.jpg?v=1791391286 (3R,5S)-3-(Boc-amino)-5-Methylpiperidine, 98.80% | 1270019-92-5 (3R,5S)-3-(Boc-amino)-5-Methylpiperidine|C1192402|1270019-92-5 https://www.jk-sci.com/products/j5329942 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01c87e9495993c05b8697202cf15da1a.jpg?v=1791398776 2-Aminoindan hydrochloride, Assay ≥ 98% | 2338-18-3 2-Aminoindan hydrochloride|29942|2338-18-3 https://www.jk-sci.com/products/j5329948 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8802a075870eaebe562d28b061c1655e.jpg?v=1791398766 5-Aminoquinoline, Purity by GC ≥ 98% | 611-34-7 5-Aminoquinoline|29948|611-34-7 https://www.jk-sci.com/products/s57c1325344 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2528464c0579c0307d4e60986e2d591b.jpg?v=1791391088 5H-pyrrolo[2,3-b]pyrazin-2-amine, 99.70% | 1504066-86-7 5H-pyrrolo[2,3-b]pyrazin-2-amine|C1325344|1504066-86-7 https://www.jk-sci.com/products/s57c1611070 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570193.png?v=1791390567 2-Amino-3-methylbenzoic Acid Methyl Ester, 95.20% | 22223-49-0 2-Amino-3-methylbenzoic Acid Methyl Ester|C1611070|22223-49-0 https://www.jk-sci.com/products/s57c1715285 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476168_cf9f67f1-0def-442e-8223-8d2121e70c00.png?v=1791390382 4-Bromo-2-nitrotoluene, 99.20% | 60956-26-5 4-Bromo-2-nitrotoluene|C1715285|60956-26-5 https://www.jk-sci.com/products/j5329960 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34452f2d8f4a6a8a74e0fafbaf7f7324.jpg?v=1791398742 7-Bromo-L-tryptophan, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 97% | 75816-19-2 7-Bromo-L-tryptophan|29960|75816-19-2 https://www.jk-sci.com/products/s57ccad301080 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146176.png?v=1791367089 D,L-Venlafaxine, >95% | 93413-69-5 D,L-Venlafaxine|CCAD301080|93413-69-5 https://www.jk-sci.com/products/s57c1775239 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417376.png?v=1791390289 6-Methylheptanoic Acid, 94.40% | 929-10-2 6-Methylheptanoic Acid|C1775239|929-10-2 https://www.jk-sci.com/products/s57c1795327 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3d81c687a6bcca9dbfee6c17eac3a3a_939fd98c-ade0-48f0-a5de-1a6bb46240f0.jpg?v=1791390208 (R)-2-((tert-Butoxycarbonyl)amino)-3-mercaptopropanoic acid, 95.20% | 20887-95-0 (R)-2-((tert-Butoxycarbonyl)amino)-3-mercaptopropanoic acid|C1795327|20887-95-0 https://www.jk-sci.com/products/s57c1815239 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310461.png?v=1791390073 Ethyl 3,5-dinitrobenzoate, 99.20% | 618-71-3 Ethyl 3,5-dinitrobenzoate|C1815239|618-71-3 https://www.jk-sci.com/products/j5329964 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddb77e73aa4ce0e14b7db2ef587955e7.jpg?v=1791398737 HDMA, Purity by HPLC ≥ 99% | 958029-37-3 HDMA|29964|958029-37-3 https://www.jk-sci.com/products/s57c1917476 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416022_17a99bf7-96b7-41a0-8bde-ceb9f8f50f89.png?v=1791389615 1-Bromo-3,4-difluorobenzene, 96.00% | 348-61-8 1-Bromo-3,4-difluorobenzene|C1917476|348-61-8 https://www.jk-sci.com/products/s57c3d-1502 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479741.png?v=1791389388 3-hydroxy-2-pyrone, Purity: 98.7% | 496-64-0 3-hydroxy-2-pyrone|C3D-1502|496-64-0 https://www.jk-sci.com/products/s57c3d-2162 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136557_2ecfa04a-ca3b-46e7-b7df-34913dff0bb2.png?v=1791389336 Hexyl 5-amino-4-oxopentanoate hydrochloride, Purity: 98.9% | 140898-91-5 Hexyl 5-amino-4-oxopentanoate hydrochloride|C3D-2162|140898-91-5 https://www.jk-sci.com/products/j5329968 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10584b8cda8935670293ce50fed68811.jpg?v=1791398726 Oxyma-B anhydrous, Purity by HPLC ≥ 99% | 5417-13-0 Oxyma-B anhydrous|29968|5417-13-0 https://www.jk-sci.com/products/s57c3d-262194 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8e3dde67df646c4f167114e3773c67d.jpg?v=1791389068 Ethyl 4-(tert-butylamino)benzoate, 99.00% | 36171-08-1 Ethyl 4-(tert-butylamino)benzoate|C3D-262194|36171-08-1 https://www.jk-sci.com/products/s57c3d-5416 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3dbf2019-4309-462a-8ed9-43437f082a71.png?v=1791388327 tert-butyl tert-butyl(2-(methoxy(methyl)amino)-2-oxoethyl)carbamate, Purity: 98.9% tert-butyl tert-butyl(2-(methoxy(methyl)amino)-2-oxoethyl)carbamate|C3D-5416 https://www.jk-sci.com/products/s57c3d-5776 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481974.png?v=1791388188 4-Aminobutanamide hydrochloride, Purity: 99.6% | 13031-62-4 4-Aminobutanamide hydrochloride|C3D-5776|13031-62-4 https://www.jk-sci.com/products/j5329970 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/043829e810177c966afa865427c5b630.jpg?v=1791398721 5-Bromo-4-chloro-3-indolyl-1,3-diacetate, Purity by HPLC ≥ 99% | 3030-06-6 5-Bromo-4-chloro-3-indolyl-1,3-diacetate|29970|3030-06-6 https://www.jk-sci.com/products/s57ccad301137 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291641.png?v=1791367089 Tigecycline, 99.7% | 220620-09-7 Tigecycline|CCAD301137|220620-09-7 https://www.jk-sci.com/products/s57c4x-10116 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433021.png?v=1791387676 Oxiracetam Impurity 6, 99.70% | 106-57-0 Oxiracetam Impurity 6|C4X-10116|106-57-0 https://www.jk-sci.com/products/s57c4x-10122 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135216.png?v=1791387671 Baclofen EP Impurity B, 98.30% | 1141-23-7 Baclofen EP Impurity B|C4X-10122|1141-23-7 https://www.jk-sci.com/products/s57c4x-101517 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b70a6d6d2f411f2fa8f128f93beb5a20.jpg?v=1791387628 Clevidipine Butyrate impurity 17, 94.00% | 123853-39-4 Clevidipine Butyrate impurity 17|C4X-101517|123853-39-4 https://www.jk-sci.com/products/s57c4x-102929 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/722387f1b7b30a866609d760d68eef33.jpg?v=1791387178 Clopidogrel Impurity 29, 87.40% | 1396607-49-0 Clopidogrel Impurity 29|C4X-102929|1396607-49-0 https://www.jk-sci.com/products/s57ccad301196 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129219.png?v=1791367079 Levofloxacin, 97.2% | 100986-85-4 Levofloxacin|CCAD301196|100986-85-4 https://www.jk-sci.com/products/j5329977 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a607ffb55b59c82bdf47c61220cb0077.jpg?v=1791398706 Diethyl ketomalonate, Purity by GC ≥ 98% | 609-09-6 Diethyl ketomalonate|29977|609-09-6 https://www.jk-sci.com/products/s57c4x-103516 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508806_f3a80721-116d-47b2-847a-0c2332cb2135.png?v=1791387012 Paroxetine HCl Anhydrous EP Impurity B, 98.60% | 533-31-3 Paroxetine HCl Anhydrous EP Impurity B|C4X-103516|533-31-3 https://www.jk-sci.com/products/s57ccad301166 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371057.png?v=1791367079 rac Normetanephrine Hydrochloride, Purity: 96.6% | 1011-74-1 rac Normetanephrine Hydrochloride|CCAD301166|1011-74-1 https://www.jk-sci.com/products/j5329986 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229cd16574b4d9f444cef3ed1e861ee2.jpg?v=1791398696 1,3-Diisopropyl-2-thiourea, Purity by HPLC ≥ 98% | 2986-17-6 1,3-Diisopropyl-2-thiourea|29986|2986-17-6 https://www.jk-sci.com/products/s57ccad301210 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273145.png?v=1791367068 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c74e268277cb28f70f4e912d2f6bf91.jpg?v=1791398639 2-Fluorobenzoic acid, Assay by titration 98 - 102% | 445-29-4 2-Fluorobenzoic acid|30015|445-29-4 https://www.jk-sci.com/products/j5330038 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d787576eadd5bd652975936dbf29660.jpg?v=1791398613 Uracil-1-b-D-arabinofuranoside, Purity by HPLC ≥ 99% || Purity by UV ≥ 98% (on dry basis) | 3083-77-0 Uracil-1-b-D-arabinofuranoside|30038|3083-77-0 https://www.jk-sci.com/products/j5330049 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a3c311879dc154145934e7ed330cc0c.jpg?v=1791398596 2'-Deoxy-2'-fluorouridine, Purity by HPLC ≥ 97% | 784-71-4 2'-Deoxy-2'-fluorouridine|30049|784-71-4 https://www.jk-sci.com/products/j5330064 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4425672f856d6742111f1f02d63aacef.jpg?v=1791398581 Acetonitrile, Purity by GC ≥ 99.5% | 75-05-8 Acetonitrile|30064|75-05-8 https://www.jk-sci.com/products/j5330127 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5087443825e6983630d6d0e6c805a7e0.jpg?v=1791398513 Lithium hydroxide monohydrate, Assay by titration ≥ 98% | 1310-66-3 Lithium hydroxide monohydrate|30127|1310-66-3 https://www.jk-sci.com/products/s57c4x-10356 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1893a1bbde4d7a5cc5d6a1628ac23631.jpg?v=1791386998 Paroxetine EP Impurity G HCl, 96.20% | 1012886-75-7 Paroxetine EP Impurity G HCl|C4X-10356|1012886-75-7 https://www.jk-sci.com/products/j5330084 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8e528f59c02e03ae9c7f3f48950d72c.jpg?v=1791398561 Potassium fluoride, Assay by titration ≥ 99% | 7789-23-3 Potassium fluoride|30084|7789-23-3 https://www.jk-sci.com/products/j5330143 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9ef94db41eef99506e71cf8f91f34f5.jpg?v=1791398487 N,N-Dimethylformamide, Purity by GC ≥ 99.8% | 68-12-2 N,N-Dimethylformamide|30143|68-12-2 https://www.jk-sci.com/products/s57c4x-10535 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2084f9d0a65bd5076e9e2295eb44f0a9.jpg?v=1791386693 Solifenacin EP impurity G, 99.00% | 740780-79-4 Solifenacin EP impurity G|C4X-10535|740780-79-4 https://www.jk-sci.com/products/s57c4x-1054 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1564259_d809aef7-0572-4aba-b1b0-8a5925442afd.png?v=1791386691 Tedizolid, 97.20% | 856866-72-3 Tedizolid|C4X-1054|856866-72-3 https://www.jk-sci.com/products/s57c4x-105617 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78152261-bd06-4143-9355-496fbb577752.png?v=1791386573 Vortioxetine Impurity 17 TFA, Purity: 96.5% Vortioxetine Impurity 17 TFA|C4X-105617 https://www.jk-sci.com/products/s57ccad301214 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299865.png?v=1791367068 Risperidone-d4, Purity>95% | 1020719-76-9 Risperidone-d4|CCAD301214|1020719-76-9 https://www.jk-sci.com/products/j5328606 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7d4dcf5b16026edb05c86dc7cf5316c.jpg?v=1791400232 6-Cyano-1-tetralone, Purity by GC ≥ 98% | 90401-84-6 6-Cyano-1-tetralone|28606|90401-84-6 https://www.jk-sci.com/products/s57c4x-107146 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200907_38ba2f55-9a54-44f8-bc4c-37d10313ceff.png?v=1791385900 Axitinib impurity 46, 99.30% | 261953-36-0 Axitinib impurity 46|C4X-107146|261953-36-0 https://www.jk-sci.com/products/s57c4x-10766 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a59ba2ec2d4dcbeff78c4ec36a55c7a8.jpg?v=1791385646 Tenofovir disoproxil Impurity 6, Purity: 98.6% | 1093279-77-6 Tenofovir disoproxil Impurity 6|C4X-10766|1093279-77-6 https://www.jk-sci.com/products/s57ccad301217 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36b549ef6e663915066ec024489b5b55.jpg?v=1791367058 Mirtazapine-d3, Purity>95% | 1216678-68-0 Mirtazapine-d3|CCAD301217|1216678-68-0 https://www.jk-sci.com/products/s57c4x-107688 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476605.png?v=1791385629 Tenofovir disoproxil Impurity 88, 97.50% | 80-40-0 Tenofovir disoproxil Impurity 88|C4X-107688|80-40-0 https://www.jk-sci.com/products/s57c4x-1087155 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82213c43b814237a977efabe8f074657.jpg?v=1791385131 Tadalafil Impurity 155, Purity: 97.3% | 691871-71-3 Tadalafil Impurity 155|C4X-1087155|691871-71-3 https://www.jk-sci.com/products/s57c4x-10981 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4ce5e08a335c5ecdfd26799bde049c8.jpg?v=1791384522 Ezetimibe Impurity 1, 98.70% | 204589-58-2 Ezetimibe Impurity 1|C4X-10981|204589-58-2 https://www.jk-sci.com/products/s57c4x-11771 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501717.png?v=1791382210 Hydrochlorothiazide EP Impurity A, 97.40% | 58-94-6 Hydrochlorothiazide EP Impurity A|C4X-11771|58-94-6 https://www.jk-sci.com/products/s57ccad301223 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7afa3f832e6056cfc6a056e2a2b11878.jpg?v=1791367058 Levofloxacin-d8, Purity>95% | 1217716-71-6 Levofloxacin-d8|CCAD301223|1217716-71-6 https://www.jk-sci.com/products/s57c4x-13694 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0ea267252fd2c85c1b8c0ca858499ad.jpg?v=1791379511 Mianserin EP Impurity D, 92.10% | 157994-98-4 Mianserin EP Impurity D|C4X-13694|157994-98-4 https://www.jk-sci.com/products/s57c4x-142218 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462796.png?v=1791378572 Ursodeoxycholic Impurity 18, 90.80% | 1192657-83-2 Ursodeoxycholic Impurity 18|C4X-142218|1192657-83-2 https://www.jk-sci.com/products/s57ccad301250 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8753c194619240a1f6d60ff2e222e084_a2ed0ac6-dc4e-4984-bbae-393f48e4712d.jpg?v=1791367053 Uric Acid, 99.9% | 69-93-2 Uric Acid|CCAD301250|69-93-2 https://www.jk-sci.com/products/j5328913 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50cd3435027940844976ea21cddc32d4.jpg?v=1791399859 2-Methoxy-4-methylpyridine, Purity by GC ≥ 99% | 100848-70-2 2-Methoxy-4-methylpyridine|28913|100848-70-2 https://www.jk-sci.com/products/j5329080 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4899dadb5456178e41d55f30e798734c.jpg?v=1791399684 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic acid meth, Purity ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343920_082ab545-10f8-4e0a-b1f2-9baba26441e5.png?v=1791367041 Linezolid, >95% | 165800-03-3 Linezolid|CCAD301414|165800-03-3 https://www.jk-sci.com/products/s57ccad301384 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246a8a2f119a05c8608dbc721e0f3cbc.jpg?v=1791367047 Haloperidol-d4, Purity>95% | 1189986-59-1 Haloperidol-d4|CCAD301384|1189986-59-1 https://www.jk-sci.com/products/s57ccad301398 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9424d45160188f22282b3ef9c3ce7a3.jpg?v=1791367047 Mycophenolic Acid-d3, Purity>95% | 1185242-90-3 Mycophenolic Acid-d3|CCAD301398|1185242-90-3 https://www.jk-sci.com/products/s57c1055009 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83986a3a0a3d159d653730521370ac22.jpg?v=1791391476 N-(2,6-dimethylphenyl)piperidine-4-carboxamide, 99.40% | 109403-19-2 N-(2,6-dimethylphenyl)piperidine-4-carboxamide|C1055009|109403-19-2 https://www.jk-sci.com/products/s57c1301159 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7b405849f254ee7672f8e255a394bb3.jpg?v=1791391144 (3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one, 97.10% | 14398-35-7 (3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one|C1301159|14398-35-7 https://www.jk-sci.com/products/s57c1445866 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d8c9851b260370908448e74b2ef73f7.jpg?v=1791390907 Clevidipine Impurity N1, 100.00% | 193539-61-6 Clevidipine Impurity N1|C1445866|193539-61-6 https://www.jk-sci.com/products/s57c1497160 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e13c8cc3d089b026c17ecf70cbd65660_e686f01f-94f9-483b-867e-741263d0b90b.jpg?v=1791390813 2-[(2S)-oxiran-2-yl]ethan-1-ol, 94.50% | 95404-59-4 2-[(2S)-oxiran-2-yl]ethan-1-ol|C1497160|95404-59-4 https://www.jk-sci.com/products/j5329349 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400864e030b10d999c16caa22998c7a6.jpg?v=1791399455 3-Bromo-2,6-dimethoxybenzoic acid methyl ester, Purity by GC ≥ 97% | 65977-12-0 3-Bromo-2,6-dimethoxybenzoic acid methyl ester|29349|65977-12-0 https://www.jk-sci.com/products/j5329499 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00a0ed0a47e4fb5ffd4e28dbf4b5d61e.jpg?v=1791399365 Ethyl 2-(triphenylphosphoranylidene)propionate, Purity by HPLC ≥ 99% | 5717-37-3 Ethyl 2-(triphenylphosphoranylidene)propionate|29499|5717-37-3 https://www.jk-sci.com/products/j5329264 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecf80e6cb45b6cd405b7a316a7170695.jpg?v=1791399528 1,4,7-tri-Boc-1,4,7,10-tetraaza-cyclododecane, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476867.png?v=1791390581 2’-Aminoacetanilide, 99.70% | 34801-09-7 2’-Aminoacetanilide|C1608630|34801-09-7 https://www.jk-sci.com/products/s57c1795795 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9b80871-ecd4-44df-99b9-47a632cfc893.png?v=1791390199 Bupropion (R)-Isomer Tartrate, 98.40% Bupropion (R)-Isomer Tartrate|C1795795 https://www.jk-sci.com/products/s57ccad301434 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/405620.png?v=1791367035 Cholic-2,2,4,4-d4 Acid, Purity>95% | 116380-66-6 Cholic-2,2,4,4-d4 Acid|CCAD301434|116380-66-6 https://www.jk-sci.com/products/s57ccad301442 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210023.png?v=1791367037 11-Deoxy Corticosterone-d8, Purity>95% | 55487-63-3 11-Deoxy Corticosterone-d8|CCAD301442|55487-63-3 https://www.jk-sci.com/products/s57c1828306 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2372793d26cf9a852627208fe5472185.jpg?v=1791389986 Fenofibrate Impurity N6, 98.30% | 72575-86-1 Fenofibrate Impurity N6|C1828306|72575-86-1 https://www.jk-sci.com/products/j5329615 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f50f9d766f2dcff9c01271fc0e65e8a8.jpg?v=1791399263 (S)-Boc-2-amino-4,4,4-trifluoro-butyric acid, Purity by HPLC ≥ 98% | 181128-25-6 (S)-Boc-2-amino-4,4,4-trifluoro-butyric acid|29615|181128-25-6 https://www.jk-sci.com/products/s57ccad301541 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b681e34b249387812c9e53c29ae0dce7.jpg?v=1791367029 DL-Normetanephrine-d3 hydrochloride, Purity>95% | 1085333-97-6 DL-Normetanephrine-d3 hydrochloride|CCAD301541|1085333-97-6 https://www.jk-sci.com/products/s57c1870180 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b2298f40652a96562ad169bad19fb3.jpg?v=1791389879 N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide, 98.90% | 342417-04-3 N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide|C1870180|342417-04-3 https://www.jk-sci.com/products/j5329701 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef5bde11ff145837eb0ddba01fc1312.jpg?v=1791399114 (R)-Fmoc-3-amino-4,4,4-trifluoro-butyric acid, Purity by HPLC ≥ 99% | 1310680-34-2 (R)-Fmoc-3-amino-4,4,4-trifluoro-butyric acid|29701|1310680-34-2 https://www.jk-sci.com/products/j5329774 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502ae6a7e7f18b15275333888a362e16.jpg?v=1791399024 H-Arg-Gly-Asp-OH, Purity by HPLC ≥ 98% | 99896-85-2 H-Arg-Gly-Asp-OH|29774|99896-85-2 https://www.jk-sci.com/products/j5329671 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae59a8eeb2602de8ff284f5adbb52df8.jpg?v=1791399174 (S)-Fmoc-N-(1-phenylethyl)-glycine, Purity by HPLC ≥ 99% | 934752-38-2 (S)-Fmoc-N-(1-phenylethyl)-glycine|29671|934752-38-2 https://www.jk-sci.com/products/j5329819 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff2294e8e6d7ea436ee92b6deb7d38a8.jpg?v=1791398960 1-Hydroxybenzotriazole hydrate (< 5 ppm hydrazine) wetted with not less than 20 wt. % water, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134598.png?v=1791389455 1-Bromo-3-methyl-2-butene, 90.10% | 870-63-3 1-Bromo-3-methyl-2-butene|C1927224|870-63-3 https://www.jk-sci.com/products/j5329864 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d5f2b700f5554a726ab8909bcf7fc31.jpg?v=1791398896 Naringin, Purity by HPLC ≥ 98% | 10236-47-2 Naringin|29864|10236-47-2 https://www.jk-sci.com/products/j5329926 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd663339238214f240dbf4691101ba75.jpg?v=1791398805 5-Chloro-2-(1H-pyrazol-5-yl)aniline, Purity by HPLC ≥ 99% | 15463-66-8 5-Chloro-2-(1H-pyrazol-5-yl)aniline|29926|15463-66-8 https://www.jk-sci.com/products/j5329902 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5daae7c026ca2cca787d7828a062e9f8.jpg?v=1791398847 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316485_3247b12a-f403-4b5d-b0c5-d831f58aa1a4.png?v=1791388800 2-Methylbenzothiazole, 94.80% | 120-75-2 2-Methylbenzothiazole|C3D-3396|120-75-2 https://www.jk-sci.com/products/s57c3d-5874 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b6ce899b4f8b78c78b3c18181a6945.jpg?v=1791388146 5-Methyl-3-(2-oxopropyl)-1,3,4-oxadiazol-2(3H)-one, Purity: 98.5% | 136738-11-9 5-Methyl-3-(2-oxopropyl)-1,3,4-oxadiazol-2(3H)-one|C3D-5874|136738-11-9 https://www.jk-sci.com/products/j5329956 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/754d7bb10bfb150dd2fa8569b6a44748.jpg?v=1791398752 2,6-Dibromo-4-nitropyridine, Purity by HPLC ≥ 98% | 175422-04-5 2,6-Dibromo-4-nitropyridine|29956|175422-04-5 https://www.jk-sci.com/products/s57c4x-100116 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69fee8bc7c42d861ac98a199ecabe5ef.jpg?v=1791387988 Erythromycin EP Impurity I（Erythralosamine）, 97.80% | 546-57-6 Erythromycin EP Impurity I（Erythralosamine）|C4X-100116|546-57-6 https://www.jk-sci.com/products/j5329966 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85ef24b24fc96b51ed55d10391e448ae.jpg?v=1791398731 K-Oxyma, Purity by HPLC ≥ 99% | 158014-03-0 K-Oxyma|29966|158014-03-0 https://www.jk-sci.com/products/j5329971 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7585b76b810be83a568b5a1c094813a7.jpg?v=1791398716 5-Bromo-6-chloro-3-indolyl-1,3-diacetate, Purity by HPLC ≥ 99% | 108847-96-7 5-Bromo-6-chloro-3-indolyl-1,3-diacetate|29971|108847-96-7 https://www.jk-sci.com/products/j5330014 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40df3bc7f60ea0893d098018fb57ca01.jpg?v=1791398639 3-Fluorobenzaldehyde, Purity by GC ≥ 99% | 456-48-4 3-Fluorobenzaldehyde|30014|456-48-4 https://www.jk-sci.com/products/s57c4x-101914 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21038b4f8a334305d9722f167eebc407.jpg?v=1791387533 Fluconazole EP Impurity G Mesylate, 90.50% | 86386-77-8 Fluconazole EP Impurity G Mesylate|C4X-101914|86386-77-8 https://www.jk-sci.com/products/j5330079 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41e3392c21d1dbe0619dc23566d6a701.jpg?v=1791398566 Potassium bicarbonate, Assay by titration 99.7-100.5% (dried basis) | 298-14-6 Potassium bicarbonate|30079|298-14-6 https://www.jk-sci.com/products/j5330047 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce2c13321f6386c858c2a7597c4359e4.jpg?v=1791398597 2',3'-O-Isopropylideneguanosine, Purity by HPLC ≥ 98% | 362-76-5 2',3'-O-Isopropylideneguanosine|30047|362-76-5 https://www.jk-sci.com/products/j5330131 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c2330270c1d766ef5b7e1a512a3085a.jpg?v=1791398508 Ethylenediaminetetraacetic acid, Assay by titration ≥ 99% | 60-00-4 Ethylenediaminetetraacetic acid|30131|60-00-4 https://www.jk-sci.com/products/s57ccad301548 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7be7da1d7e8ea0ac0605aca67d28bf8.jpg?v=1791367025 Glycolithocholic-2,2,4,4-d4 Acid, Purity>95% | 2044276-16-4 Glycolithocholic-2,2,4,4-d4 Acid|CCAD301548|2044276-16-4 https://www.jk-sci.com/products/j5330151 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1207f4abd6f9b40d433aa561f04b759.jpg?v=1791398475 Calcium hydroxide, Assay 95 - 100% || Mesh Size ≥ 96% through 325 mesh | 1305-62-0 Calcium hydroxide|30151|1305-62-0 https://www.jk-sci.com/products/s57c4x-102057 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c21ca7bbcf8e5ca3480b0de71b33e2a.jpg?v=1791387393 Vonoprazan Impurity 57, Purity: 99.9% | 2726830-13-1 Vonoprazan Impurity 57|C4X-102057|2726830-13-1 https://www.jk-sci.com/products/s57c4x-10383 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bb349ff2b5c158d73b19e05cb0a7f3c.jpg?v=1791386976 Prucalopride Impurity 3, 92.80% | 1608459-56-8 Prucalopride Impurity 3|C4X-10383|1608459-56-8 https://www.jk-sci.com/products/j5330175 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a9560107658639dc38e06fda7b141fc.jpg?v=1791398429 9,10-Dihydro-9-ketoanthracene, Assay ≥ 98% | 90-44-8 9,10-Dihydro-9-ketoanthracene|30175|90-44-8 https://www.jk-sci.com/products/s57c4x-10433 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351807.png?v=1791386908 Celecoxib Impurity 3(Celecoxib Carboxylic Acid), Purity: 99.2% | 170571-01-4 Celecoxib Impurity 3(Celecoxib Carboxylic Acid)|C4X-10433|170571-01-4 https://www.jk-sci.com/products/j5330169 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87cd269e0f44c0a786d85d4573d990df.jpg?v=1791398434 Sodium phosphate dibasic heptahydrate, Assay 98.0-102.0% | 7782-85-6 Sodium phosphate dibasic heptahydrate|30169|7782-85-6 https://www.jk-sci.com/products/s57c4x-106026 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_42e995d3-c45c-40ec-83ef-1b5ecee9ae6f.png?v=1791386363 Bromhexine Impurity 26【Discontinued】, 88.00% Bromhexine Impurity 26【Discontinued】|C4X-106026 https://www.jk-sci.com/products/j5330171 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0986f335dd65ee5314fdb419801fe5b5.jpg?v=1791398434 Tetrabutylammonium bromide, Assay ≥ 99.5% | 1643-19-2 Tetrabutylammonium bromide|30171|1643-19-2 https://www.jk-sci.com/products/s57c4x-106817 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dea85d08a300d181eee397becfb661a1.jpg?v=1791386026 Imatinib Impurity 17, Purity: 100.0% | 106261-49-8 Imatinib Impurity 17|C4X-106817|106261-49-8 https://www.jk-sci.com/products/s57c4x-1079206 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_11fcbc33-41c8-4751-95ef-d6322ac0d23f.png?v=1791385540 Tofacitinib Impurity 206, 99.30% Tofacitinib Impurity 206|C4X-1079206 https://www.jk-sci.com/products/j5330179 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2caf5f9ccec1250e2360da6def337150.jpg?v=1791398423 Ammonium cerium(IV) nitrate, Assay by titration ≥ 99% | 16774-21-3 Ammonium cerium(IV) nitrate|30179|16774-21-3 https://www.jk-sci.com/products/j5330183 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3f35604f00648aa8cfedf6b28a40a4e_7a327d21-d44b-4bfd-84ee-1c64f85d0afa.jpg?v=1791398417 Zinc oxide, Assay by titration ≥ 99% | 1314-13-2 Zinc oxide|30183|1314-13-2 https://www.jk-sci.com/products/j5330193 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd59c31bffdfacf8589275df4d805222.jpg?v=1791398401 Nickel(II) sulfate hexahydrate, Assay by titration 98.0-102.0% | 10101-97-0 Nickel(II) sulfate hexahydrate|30193|10101-97-0 https://www.jk-sci.com/products/s57c4x-10812 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1f0f1cb5cea84421a0a8ea690a68146.jpg?v=1791385450 Diacerein EP Impurity D, 90.80% | 875535-35-6 Diacerein EP Impurity D|C4X-10812|875535-35-6 https://www.jk-sci.com/products/j5330205 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/503d0ef0909a3cbeda2c2ffee7bceb4a.jpg?v=1791398386 Sodium periodate, Assay by titration 99.8 - 100.3% | 7790-28-5 Sodium periodate|30205|7790-28-5 https://www.jk-sci.com/products/j5330209 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4e9ef17700dd87996535907e56af682.jpg?v=1791398381 Magnesium perchlorate, dessicant | 10034-81-8 Magnesium perchlorate, dessicant|30209|10034-81-8 https://www.jk-sci.com/products/s57c4x-1082122 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac7fe7ea-14fe-4fe7-a222-349009c2f1c0.png?v=1791385426 Ibuprofen impurity 122, 98.80% Ibuprofen impurity 122|C4X-1082122 https://www.jk-sci.com/products/j5330230 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41b4dec018267686a45268b1be9cb573.jpg?v=1791398352 Cadmium sulfate 8/3-hydrate, Assay by titration 98.0-102.0% | 7790-84-3 Cadmium sulfate 8/3-hydrate|30230|7790-84-3 https://www.jk-sci.com/products/j5330235 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ab8c20afe160cd7726f739c3912395e.jpg?v=1791398347 Lanthanum(III) nitrate hexahydrate, Assay ≥ 99% | 10277-43-7 Lanthanum(III) nitrate hexahydrate|30235|10277-43-7 https://www.jk-sci.com/products/j5330265 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0ce934c62e0ce5e5812aafa96ed9986.jpg?v=1791398297 Cadmium iodide, Assay ≥ 99% | 7790-80-9 Cadmium iodide|30265|7790-80-9 https://www.jk-sci.com/products/s57c4x-10845 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5c10be8ebf032ca2cfb2baff061d8ee.jpg?v=1791385232 Roflumilast Impurity 5, 93.50% | 475271-62-6 Roflumilast Impurity 5|C4X-10845|475271-62-6 https://www.jk-sci.com/products/j5330283 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505d04122c81f7b1e83f84bada4aa8a5_46393a6b-c302-4190-8add-ed3c4c689069.jpg?v=1791398270 Nickel(II) chloride anhydrous, Assay ≥ 98% (Metal basis) | 7718-54-9 Nickel(II) chloride anhydrous|30283|7718-54-9 https://www.jk-sci.com/products/s57c4x-1085 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364981_ff480a25-487b-4f88-8e36-5f58fe284ad5.png?v=1791385227 Ambroxol hydrochloridum, 98.00% | 23828-92-4 Ambroxol hydrochloridum|C4X-1085|23828-92-4 https://www.jk-sci.com/products/j5330277 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e16cf2db32ba7db0384fa99e1bcf2da9.jpg?v=1791398279 Copper(II) nitrate trihydrate, Assay ≥ 99% | 10031-43-3 Copper(II) nitrate trihydrate|30277|10031-43-3 https://www.jk-sci.com/products/s57c4x-10874 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ebf81c1a-a160-4976-93e0-9f349f48968d.png?v=1791385101 Tadalafil EP Impurity D, 96.80% Tadalafil EP Impurity D|C4X-10874 https://www.jk-sci.com/products/j5330291 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaab1513f6a0e4b60a330dd86c436d41.jpg?v=1791398254 Strontium bromide anhydrous powder, Assay ≥ 99.995% (Metal basis) | 10476-81-0 Strontium bromide anhydrous powder|30291|10476-81-0 https://www.jk-sci.com/products/s57c4x-1090121 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a904434814f134069cb5de00befe77.jpg?v=1791384973 Rivaroxaban Impurity 121, 99.80% | 1855920-51-2 Rivaroxaban Impurity 121|C4X-1090121|1855920-51-2 https://www.jk-sci.com/products/s57c4x-11668 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394177_0e900ba5-2004-47ba-a92e-57af283f571d.png?v=1791382389 Sodium Valproate EP Impurity D, 98.30% | 52061-75-3 Sodium Valproate EP Impurity D|C4X-11668|52061-75-3 https://www.jk-sci.com/products/s57c4x-12154 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4c0664cd40efb22e91478d2e310d7a8.jpg?v=1791381593 4,5-Dihydro Cefradine Impurity, 91.30% | 37051-00-6 4,5-Dihydro Cefradine Impurity|C4X-12154|37051-00-6 https://www.jk-sci.com/products/j5330337 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18e4ceb93660682be7616704191f233f.jpg?v=1791398163 Trimethylhydroquinone, Purity by GC ≥ 99% | 700-13-0 Trimethylhydroquinone|30337|700-13-0 https://www.jk-sci.com/products/s57c1030550 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04c0e4c8c49d6b19fa80a05d82b5c447.jpg?v=1791391525 Abemaciclib Impurity N5, 98.60% | 1038408-36-4 Abemaciclib Impurity N5|C1030550|1038408-36-4 https://www.jk-sci.com/products/j5330320 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29719dc4adea1d32849d672a82a5e393.jpg?v=1791398196 Fmoc-Tyr(tBu)-Ser[Psi(Me,Me)Pro]-OH, Assay by titration 95 - 105% || Purity by HPLC ≥ 98.5% | 878797-09-2 Fmoc-Tyr(tBu)-Ser[Psi(Me,Me)Pro]-OH|30320|878797-09-2 https://www.jk-sci.com/products/j5328787 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d63bdcd373b9159b6977fb891db4725.jpg?v=1791400038 6-Hydrazino-3-pyridinecarboxylic acid, Purity by HPLC ≥ 98% | 133081-24-0 6-Hydrazino-3-pyridinecarboxylic acid|28787|133081-24-0 https://www.jk-sci.com/products/j5330342 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e651eb559cb16791ff2d8b740983f1c.jpg?v=1791398142 2-Methylhydroquinone, Assay ≥ 98% | 95-71-6 2-Methylhydroquinone|30342|95-71-6 https://www.jk-sci.com/products/j5330316 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ddb07e6422c5cac7adc02051f4998e8.jpg?v=1791398206 Fmoc-Phe-Ser[Psi(Me,Me)Pro]-OH, Assay by titration 90 - 100% || Purity by HPLC ? 98.5% | 878797-01-4 Fmoc-Phe-Ser[Psi(Me,Me)Pro]-OH|30316|878797-01-4 https://www.jk-sci.com/products/j5329160 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7818a46e6fcc4eb9646f3eaa84902b7b.jpg?v=1791399604 6-Chloro-3-iodo-2-methylpyridine, Purity by GC ≥ 97% | 249291-79-0 6-Chloro-3-iodo-2-methylpyridine|29160|249291-79-0 https://www.jk-sci.com/products/j5329665 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a494540ed237200cd2799434799d903b.jpg?v=1791399187 Fmoc-iminodipropionic acid, Purity by HPLC ≥ 98% | 377087-65-5 Fmoc-iminodipropionic acid|29665|377087-65-5 https://www.jk-sci.com/products/j5330309 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a27dbf57c926cefaee888b893541ce3.jpg?v=1791398217 Fmoc-Gly-Thr[Psi(Me,Me)Pro]-OH, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 1262308-49-5 Fmoc-Gly-Thr[Psi(Me,Me)Pro]-OH|30309|1262308-49-5 https://www.jk-sci.com/products/j5329739 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85476eca70aec000e57eedf2c3733481.jpg?v=1791399068 Glycine 7-amido-4-methylcoumarin hydrochloride, Purity by HPLC ≥ 98% | 77471-42-2 Glycine 7-amido-4-methylcoumarin hydrochloride|29739|77471-42-2 https://www.jk-sci.com/products/s57c1108737 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ce73c247dfe44f01e80a82a3d2f5372.jpg?v=1791391373 Dabrafenib Impurity N7, Purity: 99.8% | 1195768-23-0 Dabrafenib Impurity N7|C1108737|1195768-23-0 https://www.jk-sci.com/products/s57c1238917 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac38eace16a223f26165bedcbb688769.jpg?v=1791391221 Roflumilast Dimer, 99.00% | 1352122-37-2 Roflumilast Dimer|C1238917|1352122-37-2 https://www.jk-sci.com/products/s57c1312344 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459747.png?v=1791391111 Bis(trimethylsilyl)acetylene, 99.70% | 14630-40-1 Bis(trimethylsilyl)acetylene|C1312344|14630-40-1 https://www.jk-sci.com/products/s57c1662903 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f45d228852c5fbeeb79e66b38db8133.jpg?v=1791390467 3,5-Di-tert-butyl-4-hydroxybenzenesulfonic acid, Purity: 99.8% | 25679-39-4 3,5-Di-tert-butyl-4-hydroxybenzenesulfonic acid|C1662903|25679-39-4 https://www.jk-sci.com/products/j5329412 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31bae26ca2c9f6edc97086841566dfa4.jpg?v=1791399416 2-Bromo-6-nitrobenzoic acid, Purity by HPLC ≥ 98% | 38876-67-4 2-Bromo-6-nitrobenzoic acid|29412|38876-67-4 https://www.jk-sci.com/products/s57c1785505 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db5ad2c292d19a4950770dcca21d072.jpg?v=1791390275 8-Hydroxyquinoline-3-carboxylic acid, 99.90% | 911109-16-5 8-Hydroxyquinoline-3-carboxylic acid|C1785505|911109-16-5 https://www.jk-sci.com/products/j5329836 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c21ae8a825cbbb94c9607edd3084e88c.jpg?v=1791398940 2-Methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrobromide, Purity ≥ 95% (NMR) | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ef0b1343-fad1-40b3-8de1-c4265c1b2d6a.png?v=1791389990 Insulin Glulisine | 207748-29-6 Insulin Glulisine|C1827591|207748-29-6 https://www.jk-sci.com/products/s57c1881292 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/856303eb214adad5ac9ede415626eaf1.jpg?v=1791389846 Neratinib Impurity N1, Purity: 99.7% | 848139-78-6 Neratinib Impurity N1|C1881292|848139-78-6 https://www.jk-sci.com/products/s57c1916116 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160263.png?v=1791389632 Norclomipramine hydrochloride, Purity>95% | 303-48-0 Norclomipramine hydrochloride|C1916116|303-48-0 https://www.jk-sci.com/products/s57c1922177 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441430.png?v=1791389520 1-Bromo-1-propene (cis- and trans- mixture), 97.90% | 590-14-7 1-Bromo-1-propene (cis- and trans- mixture)|C1922177|590-14-7 https://www.jk-sci.com/products/j5330324 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37156b98fbbc427cf22db47698fd7fdc.jpg?v=1791398187 Fmoc-Thr(tBu)-Thr[Psi(Me,Me)Pro]-OH, Assay by titration ≥ 91% || Purity by HPLC ≥ 99% | 1676104-73-6 Fmoc-Thr(tBu)-Thr[Psi(Me,Me)Pro]-OH|30324|1676104-73-6 https://www.jk-sci.com/products/j5329912 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc3f614265ef0324a46c8e794fcd13a6.jpg?v=1791398831 4-Bromo-3-methylbenzyl alcohol, Purity by GC ≥ 97% | 149104-89-2 4-Bromo-3-methylbenzyl alcohol|29912|149104-89-2 https://www.jk-sci.com/products/j5329962 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae0df4c830e8041616af08b301406db9.jpg?v=1791398742 Sodium hyodeoxycholate, Assay ≥ 98% (TLC) | 10421-49-5 Sodium hyodeoxycholate|29962|10421-49-5 https://www.jk-sci.com/products/j5329982 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1c0f5c51190d16311def8d52c389935.jpg?v=1791398701 Furoin, Purity by GC ≥ 98% | 552-86-3 Furoin|29982|552-86-3 https://www.jk-sci.com/products/j5330150 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e037d0de7603418fa90865ea1bd5df6.jpg?v=1791398474 Calcium chloride dihydrate, Assay ≥ 99% | 10035-04-8 Calcium chloride dihydrate|30150|10035-04-8 https://www.jk-sci.com/products/s57c3d-25830 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321860.png?v=1791389256 N-Methyl-tert-butylamine, Purity: 100.0% | 14610-37-8 N-Methyl-tert-butylamine|C3D-25830|14610-37-8 https://www.jk-sci.com/products/j5330232 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90c57603786aa18ca124857fa9fc4c02.jpg?v=1791398352 Potassium bromate, Assay by titration ≥ 99.8% | 7758-01-2 Potassium bromate|30232|7758-01-2 https://www.jk-sci.com/products/j5330170 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf6b66078813479157dc93515c705325.jpg?v=1791398434 Sodium nitroprusside dihydrate, Assay ≥ 99% | 13755-38-9 Sodium nitroprusside dihydrate|30170|13755-38-9 https://www.jk-sci.com/products/j5330063 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10963e10faa5325a3f226507f9de98e2.jpg?v=1791398580 1-Methyl-2-pyrrolidinone, distilled, Purity by GC ≥ 99% | 872-50-4 1-Methyl-2-pyrrolidinone, distilled|30063|872-50-4 https://www.jk-sci.com/products/s57c3d-25838 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602469_3000b069-bc92-4247-ae7c-d92a306ac550.png?v=1791389246 1,4-Bis(trimethylsilyl)buta-1,3-diyne, 98.90% | 4526-07-2 1,4-Bis(trimethylsilyl)buta-1,3-diyne|C3D-25838|4526-07-2 https://www.jk-sci.com/products/s57c3d-25852 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4ea7b6b33e828a45254977227f441aa_542db01d-8701-49f7-8e68-565b09aa5f55.jpg?v=1791389237 2,2'-dithiobis[N-methylbenzamide], 97.60% | 2527-58-4 2,2'-dithiobis[N-methylbenzamide]|C3D-25852|2527-58-4 https://www.jk-sci.com/products/j5330186 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1773e3bfdb05bf34402c08ec9d33c6db.jpg?v=1791398412 Cadmium chloride, anhydrous, Assay by titration ≥ 99% | 10108-64-2 Cadmium chloride, anhydrous|30186|10108-64-2 https://www.jk-sci.com/products/j5330178 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e491a252852bc87d23fefd352ffb348.jpg?v=1791398428 Sodium iodide | 7681-82-5 Sodium iodide|30178|7681-82-5 https://www.jk-sci.com/products/j5330206 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33c572c1c2eb6151207e707709439eab.jpg?v=1791398386 Potassium perchlorate, Assay by titration 99.0 - 100.5% | 7778-74-7 Potassium perchlorate|30206|7778-74-7 https://www.jk-sci.com/products/j5330272 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d2f291e963743c4b2767da20dbcede3.jpg?v=1791398286 Cobalt(II) chloride anhydrous, Assay ≥ 99.7% | 7646-79-9 Cobalt(II) chloride anhydrous|30272|7646-79-9 https://www.jk-sci.com/products/s57c3d-26084 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619241.png?v=1791389102 3′-Sialyllactose, Purity: 100.0% | 35890-38-1 3′-Sialyllactose|C3D-26084|35890-38-1 https://www.jk-sci.com/products/s57c3d-2825 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536994_674de84b-03a0-4df6-8267-ae431054df88.png?v=1791388946 Fmoc-Arg(Pbf)-OH, 96.60% | 154445-77-9 Fmoc-Arg(Pbf)-OH|C3D-2825|154445-77-9 https://www.jk-sci.com/products/s57c3d-3295 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358337_4da0d555-349d-40e4-8aee-545dd10ce61f.png?v=1791388843 L-Homoarginine, Purity: 96.2% | 156-86-5 L-Homoarginine|C3D-3295|156-86-5 https://www.jk-sci.com/products/s57c3d-3646 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333144_351c2de0-3cae-4b03-bbd9-6020c8c98907.png?v=1791388724 4-Cyanobenzyl Bromide, Purity: 98.4% | 17201-43-3 4-Cyanobenzyl Bromide|C3D-3646|17201-43-3 https://www.jk-sci.com/products/j5330339 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0822cd67f86307313400ec97b852e5e9.jpg?v=1791398152 (+)-Di-p-anisoyl-D-tartaric Acid, Purity by HPLC ≥ 99% | 191605-10-4 (+)-Di-p-anisoyl-D-tartaric Acid|30339|191605-10-4 https://www.jk-sci.com/products/j5330287 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84d851f5b7e6590721abd6ba264d9a9d.jpg?v=1791398259 Nickel(II) oxide, Assay ≥ 78.5% Ni | 1313-99-1 Nickel(II) oxide|30287|1313-99-1 https://www.jk-sci.com/products/j5330312 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75815daecd611f472eb5d05f12d2323e.jpg?v=1791398212 Fmoc-Leu-Ser[Psi(Me,Me)Pro]-OH, Assay by titration 95 - 105% || Purity by HPLC ? 98.5% | 339531-50-9 Fmoc-Leu-Ser[Psi(Me,Me)Pro]-OH|30312|339531-50-9 https://www.jk-sci.com/products/s57c3d-4332 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2afe980b930befbdf7ed879f946a039.jpg?v=1791388575 17alpha-Hydroxy Progesterone-d8, Purity>95% | 850023-80-2 17alpha-Hydroxy Progesterone-d8|C3D-4332|850023-80-2 https://www.jk-sci.com/products/s57c3d-5696 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c48106a63a76fedbdc37362172edf56_034582ef-1ec2-423b-b3c8-3d00273a5165.jpg?v=1791388228 Tripalmitin, 82.50% | 555-44-2 Tripalmitin|C3D-5696|555-44-2 https://www.jk-sci.com/products/j5330321 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2fc05d9ce3085ee60bcaea867192b81.jpg?v=1791398192 Fmoc-Val-Ser[Psi(Me,Me)Pro]-OH, Assay by titration ≥ 93% || Purity by HPLC ≥ 99% | 186023-49-4 Fmoc-Val-Ser[Psi(Me,Me)Pro]-OH|30321|186023-49-4 https://www.jk-sci.com/products/s57c3d-5938 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fbc23be5776ab08bd7a45ea03cae399.jpg?v=1791388116 N1,N3-dip-tolylbenzene-1,3-diamine, Purity: 100.0% | 620-49-5 N1,N3-dip-tolylbenzene-1,3-diamine|C3D-5938|620-49-5 https://www.jk-sci.com/products/j5330361 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3410326410bb6e25450e6a30f7bb43ce.jpg?v=1791398115 1-Bromo-2-fluorobenzene, Purity by HPLC ≥ 99% | 1072-85-1 1-Bromo-2-fluorobenzene|30361|1072-85-1 https://www.jk-sci.com/products/j5330355 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b243dca0bb18a69774816d02c0cd2ba.jpg?v=1791398122 4-Methoxyacetophenone, Purity by GC ≥ 99% | 100-06-1 4-Methoxyacetophenone|30355|100-06-1 https://www.jk-sci.com/products/s57c4x-103248 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc2b2d8d-dfca-4d2d-9ad3-322b90580554.png?v=1791387047 Mirabegron Impurity 48, 98.90% Mirabegron Impurity 48|C4X-103248 https://www.jk-sci.com/products/j5330370 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f6db823b69a0af0dfa93a35d536ffa4.jpg?v=1791398097 Benzyldimethylhexadecylammonium chloride | 122-18-9 Benzyldimethylhexadecylammonium chloride|30370|122-18-9 https://www.jk-sci.com/products/s57c4x-10418 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248641.png?v=1791386925 Lorazepam Impurity 8, 99.80% | 2848-96-6 Lorazepam Impurity 8|C4X-10418|2848-96-6 https://www.jk-sci.com/products/j5330390 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b76d56153c463ea3338281de0e5f9b4.jpg?v=1791398057 Alloxan monohydrate, Assay ≥ 98% | 2244-11-3 Alloxan monohydrate|30390|2244-11-3 https://www.jk-sci.com/products/s57c4x-104920 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de16865f7317b25b671072d81ef76575.jpg?v=1791386793 Saxagliptin Impurity 20, 97.30% | 1564266-79-0 Saxagliptin Impurity 20|C4X-104920|1564266-79-0 https://www.jk-sci.com/products/s57c4x-10514 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8e21a897fdb24f99cbee0fa007bc282.jpg?v=1791386739 Diclofenac EP Impurity F, 99.10% | 560075-65-2 Diclofenac EP Impurity F|C4X-10514|560075-65-2 https://www.jk-sci.com/products/s57c4x-106368 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522914.png?v=1791386275 Edoxaban Impurity 68, 94.90% | 17899-48-8 Edoxaban Impurity 68|C4X-106368|17899-48-8 https://www.jk-sci.com/products/j5330404 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0d5fc4aac6070f94ee3ad4982917104.jpg?v=1791398035 Triptolide, Purity by HPLC ≥ 98% || Mesh Size 80 Mesh: ≥ 98% | 38748-32-2 Triptolide|30404|38748-32-2 https://www.jk-sci.com/products/s57c4x-226729 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9193f49f-4896-4198-bb8a-2d4067507fd3.png?v=1791369852 Emedastine Impurity 29, 97.40% Emedastine Impurity 29|C4X-226729 https://www.jk-sci.com/products/j5330392 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c001fa81a8e232b4641b135533710cc5.jpg?v=1791398058 2-(4-Chlorophenoxy)-2-methylpropionic acid, Purity by HPLC ≥ 99% | 882-09-7 2-(4-Chlorophenoxy)-2-methylpropionic acid|30392|882-09-7 https://www.jk-sci.com/products/j5330412 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddef76ea19d7086732e10c9bb14ef05d.jpg?v=1791398021 4-Bromofluorobenzene, Purity by GC ≥ 99.5% | 460-00-4 4-Bromofluorobenzene|30412|460-00-4 https://www.jk-sci.com/products/j5330427 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f273cec8d28d00f2005d7aef22447d23.jpg?v=1791397999 4-(Bromomethyl)benzoic acid, Purity by HPLC ≥ 98% | 6232-88-8 4-(Bromomethyl)benzoic acid|30427|6232-88-8 https://www.jk-sci.com/products/j5330433 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d72b68b9500b305d5e1604663f78793.jpg?v=1791397990 1-Ethylimidazole, Purity by GC ≥ 99% | 7098-07-9 1-Ethylimidazole|30433|7098-07-9 https://www.jk-sci.com/products/s57c4x-1079118 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0bc27e934ec8cae56aba26f7d600ab3.jpg?v=1791385569 Tofacitinib Impurity 118, 99.50% | 1615709-89-1 Tofacitinib Impurity 118|C4X-1079118|1615709-89-1 https://www.jk-sci.com/products/s57c4x-108290 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0547fc4f812bc39bd7da92f6556e9021.jpg?v=1791385346 L-Arginine, α-Methyl-4-(2-Methylpropyl)benzeneacetate, 98.60% | 57469-82-6 L-Arginine, α-Methyl-4-(2-Methylpropyl)benzeneacetate|C4X-108290|57469-82-6 https://www.jk-sci.com/products/s57c4x-25537 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252290_ebfd973d-4fe0-4184-9a5d-091e97b56392.png?v=1791368411 (S)-(+)-3-Chloro-1,2-propanediol, 93.30% | 60827-45-4 (S)-(+)-3-Chloro-1,2-propanediol|C4X-25537|60827-45-4 https://www.jk-sci.com/products/j5330451 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4528a50d551a6350fd48431d73c76cb8.jpg?v=1791397962 4-tert-Butylbenzoic acid, Purity by GC ≥ 99% | 98-73-7 4-tert-Butylbenzoic acid|30451|98-73-7 https://www.jk-sci.com/products/j5330462 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b854baf3f99c8ed753f2e01de2f2e984.jpg?v=1791397944 Ne-Azido-D-Lysine hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1418009-93-4 Ne-Azido-D-Lysine hydrochloride|30462|1418009-93-4 https://www.jk-sci.com/products/j5330458 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b10a6cf3e98b74cdac796b4769bb835e.jpg?v=1791397949 Nd-Azido-L-Ornithine hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 156463-09-1 Nd-Azido-L-Ornithine hydrochloride|30458|156463-09-1 https://www.jk-sci.com/products/s57c4x-13006 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499328_4e8c2efe-6403-46f4-b6b2-62f61e2a4171.png?v=1791380586 Tacrolimus EP Impurity A, 88.60% | 104987-12-4 Tacrolimus EP Impurity A|C4X-13006|104987-12-4 https://www.jk-sci.com/products/s57c4x-131253 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813712.png?v=1791380474 Pregabalin Impurity 53, 95.40% | 61312-87-6 Pregabalin Impurity 53|C4X-131253|61312-87-6 https://www.jk-sci.com/products/s57c4x-138611 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257157.png?v=1791379267 Raltitrexed, 91.50% | 112887-68-0 Raltitrexed|C4X-138611|112887-68-0 https://www.jk-sci.com/products/s57c4x-13945 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570747.png?v=1791379125 Bifonazole EP Impurity C(Clotrimazole EP Impurity D), 94.20% | 288-32-4 Bifonazole EP Impurity C(Clotrimazole EP Impurity D)|C4X-13945|288-32-4 https://www.jk-sci.com/products/s57c4x-139518 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619f48915ff14eef00c3ce4222ce5427.jpg?v=1791379109 D-Folic Acid, 91.60% | 65165-91-5 D-Folic Acid|C4X-139518|65165-91-5 https://www.jk-sci.com/products/j5330467 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453b5b40cdf02eab85c503779c3a1257.jpg?v=1791397938 Na-Boc-Ne-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-lysine dicyclohexylammonium salt, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d03c2ff7dea8532a84979215f0afe83a.jpg?v=1791397912 Na-Boc-Ng-Azido-D-2,4-diaminobutyric acid cyclohexylammonium salt, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bb6ef0f64cf1849992d75651f72c73c.jpg?v=1791397927 Na-Boc-Nd-Azido-L-Ornithine cyclohexylammonium salt, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 763139-35-1 Na-Boc-Nd-Azido-L-Ornithine cyclohexylammonium salt|30472|763139-35-1 https://www.jk-sci.com/products/j5330484 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0185be9047079c37d1ac8acd71f9822f.jpg?v=1791397908 Ng-Acetyl-L-2,4-diaminobutyric acid, Assay by titration 98 - 100% | 1190-46-1 Ng-Acetyl-L-2,4-diaminobutyric acid|30484|1190-46-1 https://www.jk-sci.com/products/j5330494 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2db301a6ecb6c9b209d30c18b872e80.jpg?v=1791397887 Dde-8-amino-3,6-dioxaoctanoic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1263045-93-7 Dde-8-amino-3,6-dioxaoctanoic acid|30494|1263045-93-7 https://www.jk-sci.com/products/j5330490 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef538309915dff5cf24d417dab2e53ff.jpg?v=1791397893 Na-Fmoc-Ng-Palmitoyl-L-2,4-diaminobutyric acid, Assay by titration ≥ 94% || Purity by HPLC ≥ 98% | 1858224-29-9 Na-Fmoc-Ng-Palmitoyl-L-2,4-diaminobutyric acid|30490|1858224-29-9 https://www.jk-sci.com/products/j5330510 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98459dc2b3a6fef06185e2d8a6683e5c.jpg?v=1791397861 {2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy}acetic acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6bd8e47902d06dd8298ca8b03366700.jpg?v=1791397836 Na-Fmoc-D-lysine allyl ester hydrochloride, Purity by HPLC ≥ 99% | 1272754-92-3 Na-Fmoc-D-lysine allyl ester hydrochloride|30524|1272754-92-3 https://www.jk-sci.com/products/j5330514 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b499fd81504201a5f08a2cb55fc8ea5.jpg?v=1791397850 Na-Azido-Nb-Fmoc-L-2,3-diaminopropionic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 880637-82-1 Na-Azido-Nb-Fmoc-L-2,3-diaminopropionic acid|30514|880637-82-1 https://www.jk-sci.com/products/s57c4x-165015 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615009_564e8841-e31f-4d03-8c85-b7cf0b866e36.png?v=1791375949 Fluticasone Propionate EP Impurity A, purity：99.72% | 65429-42-7 Fluticasone Propionate EP Impurity A|C4X-165015|65429-42-7 https://www.jk-sci.com/products/j5330498 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b0953f27ec8bdfad2fed01cc76eae24.jpg?v=1791397883 1-Amino-11-azido-3,6,9-trioxaundecane, Assay by titration ≥ 97% | 1162336-72-2 1-Amino-11-azido-3,6,9-trioxaundecane|30498|1162336-72-2 https://www.jk-sci.com/products/j5330530 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45fd3467a55c6d5d628cb2e2f6adeb26.jpg?v=1791397825 Na-Fmoc-Ng-Azido-D-2,4-diaminobutyric acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 1263047-53-5 Na-Fmoc-Ng-Azido-D-2,4-diaminobutyric acid|30530|1263047-53-5 https://www.jk-sci.com/products/j5328182 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9c46c6510792f91f1a8ff5b766739bb.jpg?v=1791400740 3-Iodobenzylamine, Purity by GC ≥ 98% | 696-40-2 3-Iodobenzylamine|28182|696-40-2 https://www.jk-sci.com/products/j5329686 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5acd32233f931a46c420a9ae0c0539b.jpg?v=1791399144 Racemic Fmoc-trans-3-phenyl-pyrrolidine-2-carboxylic acid, Purity by HPLC ≥ 98% | 1579983-87-1 Racemic Fmoc-trans-3-phenyl-pyrrolidine-2-carboxylic acid|29686|1579983-87-1 https://www.jk-sci.com/products/j5329323 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0481b8014daf993c3ced8e03e140fd0d.jpg?v=1791399481 (R)-Fmoc-2-amino-3-(3-tert-butoxycarbonyl-propylsulfanyl)propionic acid, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129123.png?v=1791391344 3′-nitroacetanilide, 97.70% | 122-28-1 3′-nitroacetanilide|C1133889|122-28-1 https://www.jk-sci.com/products/s57c1425092 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235083.png?v=1791390940 1-(4-Hydroxy-3-methoxyphenyl)propan-1-one, Purity: 100.0% | 1835-14-9 1-(4-Hydroxy-3-methoxyphenyl)propan-1-one|C1425092|1835-14-9 https://www.jk-sci.com/products/s57c1718384 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97afe485925f7e1bacf6b97d9655957c.jpg?v=1791390379 4-Chloro-2-ethoxypyrimidine, 98.40% | 92520-02-0 4-Chloro-2-ethoxypyrimidine|C1718384|92520-02-0 https://www.jk-sci.com/products/j5329885 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619cec11f2f6949301c54020ce9eee13.jpg?v=1791398872 Dextran powder, Mw ~ 6000 | 9004-54-0 Dextran powder, Mw ~ 6000|29885|9004-54-0 https://www.jk-sci.com/products/j5329969 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ee4ed517ed1626318ad56e246a89b3f.jpg?v=1791398726 1-Aminopyrene, Purity by HPLC ≥ 98% | 1606-67-3 1-Aminopyrene|29969|1606-67-3 https://www.jk-sci.com/products/s57c1823822 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38161fea530914bb88e281a3b74f8640.jpg?v=1791390043 2,4-Dichloro-5-fluoropyrimidine, 98.40% | 2927-71-1 2,4-Dichloro-5-fluoropyrimidine|C1823822|2927-71-1 https://www.jk-sci.com/products/j5330091 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6bbc590cca3caa6440fa95b83797c7a.jpg?v=1791398550 Neutral red | 553-24-2 Neutral red|30091|553-24-2 https://www.jk-sci.com/products/ts246cs-0096443 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d3cc0224abc3384c8e431cc74ce1317.jpg?v=1791325796 5-Bromo-3,7-dimethyl-1H-indazole, 97% | 1031417-71-6 5-Bromo-3,7-dimethyl-1H-indazole|CS-0096443|1031417-71-6 https://www.jk-sci.com/products/j5330200 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd09b4dcfe527becded85cf1853231af.jpg?v=1791398395 Potassium chlorate, Assay by titration ≥ 99% | 3811-04-9 Potassium chlorate|30200|3811-04-9 https://www.jk-sci.com/products/j5330255 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96afb78458e55200cd4cb2eba43ebf00.jpg?v=1791398313 Lithium nitrate anhydrous, Assay ≥ 99.998% (Metal basis) | 7790-69-4 Lithium nitrate anhydrous|30255|7790-69-4 https://www.jk-sci.com/products/j5330300 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08fa6c9b6503b2e779cd5a217c2677b4.jpg?v=1791398237 Strontium carbonate, Assay ≥ 99% (Metals basis) | 1633-05-2 Strontium carbonate|30300|1633-05-2 https://www.jk-sci.com/products/j5330356 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95c4f1465547dc831bc3e45f7f00e9a8.jpg?v=1791398122 4-Methoxybenzoic acid, Assay 99.0-100.5% (Dried basis) || Purity by HPLC ≥ 99% | 100-09-4 4-Methoxybenzoic acid|30356|100-09-4 https://www.jk-sci.com/products/s57c1823925 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347507_f6295198-cf98-4ea3-afcf-622a8b6e81c7.png?v=1791390037 Fluorouracil Impurity N1, 98.90% | 5329-33-9 Fluorouracil Impurity N1|C1823925|5329-33-9 https://www.jk-sci.com/products/j5330330 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a763212b544dd1a70aa1b4e41776a08.jpg?v=1791398177 3-Amino-2-methoxypyridine, Purity by GC ≥ 98% | 20265-38-7 3-Amino-2-methoxypyridine|30330|20265-38-7 https://www.jk-sci.com/products/j5330377 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21752ca0b2f148a0c930980a7a2aa50c.jpg?v=1791398085 Trimethylphenylammonium chloride, Assay by titration ≥ 99% | 138-24-9 Trimethylphenylammonium chloride|30377|138-24-9 https://www.jk-sci.com/products/j5330393 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8be93961451694dd3fac0c29200f4e4d.jpg?v=1791398052 Trimethyl orthopropionate, Purity by GC ≥ 98% | 24823-81-2 Trimethyl orthopropionate|30393|24823-81-2 https://www.jk-sci.com/products/s57c4x-26233 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109099_2ca5b89b-607f-4555-8e60-9b50bb2a3212.png?v=1791368247 Procaine Impurity 3, 99.00% | 619-19-2 Procaine Impurity 3|C4X-26233|619-19-2 https://www.jk-sci.com/products/s57c1889191 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebc0029e3c50ab197ae783fa817744f4.jpg?v=1791389802 Pitolisant Hydrochloride, 98.90% | 903576-44-3 Pitolisant Hydrochloride|C1889191|903576-44-3 https://www.jk-sci.com/products/j5330413 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a32dfbe30f702ee3e09c975413df6328.jpg?v=1791398020 Benzyltriethylammonium bromide, Assay 99-102% | 5197-95-5 Benzyltriethylammonium bromide|30413|5197-95-5 https://www.jk-sci.com/products/s57c1924351 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258475.png?v=1791389484 Ethyl 4-aminobutanoate hydrochloride, 96.00% | 6937-16-2 Ethyl 4-aminobutanoate hydrochloride|C1924351|6937-16-2 https://www.jk-sci.com/products/j5330440 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b741f2ac700bbfa767966df4a8381886.jpg?v=1791397980 4-Hydroxyphenylacetone, Purity by GC ≥ 99% | 770-39-8 4-Hydroxyphenylacetone|30440|770-39-8 https://www.jk-sci.com/products/j5330459 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66b8b9c6b68fdbc2c349a8f453fe04d1.jpg?v=1791397949 Nb-Azido-L-2,3-diaminopropionic acid hydrochloride, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 105661-40-3 Nb-Azido-L-2,3-diaminopropionic acid hydrochloride|30459|105661-40-3 https://www.jk-sci.com/products/s57c3d-1999 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406841.png?v=1791389356 2-Bromothiophene, Purity: 100.0% | 1003-09-4 2-Bromothiophene|C3D-1999|1003-09-4 https://www.jk-sci.com/products/j5330471 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93510b62cd1f9ad5144a2508c50245db.jpg?v=1791397927 Na-Boc-Ne-Azido-L-Lysine cyclohexylammonium salt, Assay by titration 99 - 101% || Purity by HPLC ≥ 99% | 846549-33-5 Na-Boc-Ne-Azido-L-Lysine cyclohexylammonium salt|30471|846549-33-5 https://www.jk-sci.com/products/s57c3d-2149 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318353.png?v=1791389339 4-Methyl-1-piperazinecarbonyl chloride hydrochloride, 96.50% | 55112-42-0 4-Methyl-1-piperazinecarbonyl chloride hydrochloride|C3D-2149|55112-42-0 https://www.jk-sci.com/products/s57c3d-2448 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375940.png?v=1791389286 4-Chloroanisole, 98.90% | 623-12-1 4-Chloroanisole|C3D-2448|623-12-1 https://www.jk-sci.com/products/j5330492 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b924d1445efa6f43014f7fd8cd13e31.jpg?v=1791397892 Na-Fmoc-Nb-trimethylsilylethoxycarbonyl-L-diaminopropionic acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 98% | 1248587-10-1 Na-Fmoc-Nb-trimethylsilylethoxycarbonyl-L-diaminopropionic acid|30492|1248587-10-1 https://www.jk-sci.com/products/j5330483 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ba31d8f7695276034abc04f1595612c.jpg?v=1791397908 Na-Boc-Nb-azido-D-2,3-diaminopropionic acid cyclohexylammonium salt, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21232ae9dbbab6acf6ae8a8071b0e29d.jpg?v=1791397873 Biotinyl-8-amino-3,6-dioxaoctanoic acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 98% | 1238575-77-3 Biotinyl-8-amino-3,6-dioxaoctanoic acid|30503|1238575-77-3 https://www.jk-sci.com/products/s57c3d-26042 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268790.png?v=1791389119 Tetrazole, 94.90% | 288-94-8 Tetrazole|C3D-26042|288-94-8 https://www.jk-sci.com/products/j5330520 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b18ced6ab3ab11255a89c4b612205552.jpg?v=1791397841 Biotin-diaminopentane trifluoroacetic acid salt, Purity by HPLC ≥ 97% | 115416-38-1 Biotin-diaminopentane trifluoroacetic acid salt|30520|115416-38-1 https://www.jk-sci.com/products/s57c3d-262569 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46eabc1f3168f76c05a66f6611b2188d.jpg?v=1791389034 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 88.20% | 287944-16-5 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|C3D-262569|287944-16-5 https://www.jk-sci.com/products/j5330537 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77073cf4c3cc3a2b3d2a00a764a7df24.jpg?v=1791397813 (2S,3S)-(Fmoc-amino)-3-allyloxycarbonylaminobutyric acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 1272754-91-2 (2S,3S)-(Fmoc-amino)-3-allyloxycarbonylaminobutyric acid|30537|1272754-91-2 https://www.jk-sci.com/products/j5330551 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55870d1e0ca6da1fb6f71a968d25512b.jpg?v=1791397793 Na-Z-Ne-Azido-L-Lysine cyclohexylammonium salt, Assay by titration ≥ 99% || Purity by HPLC ≥ 98.0% | 901300-81-0 Na-Z-Ne-Azido-L-Lysine cyclohexylammonium salt|30551|901300-81-0 https://www.jk-sci.com/products/s57c3d-3157 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556817_d3f6fc7f-1440-472f-81a9-6022e28d4411.png?v=1791388891 Isoacteoside, Purity: 99.4% | 61303-13-7 Isoacteoside|C3D-3157|61303-13-7 https://www.jk-sci.com/products/j5330565 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123fc7e9b90d6133bec3cfc7d1044e0b.jpg?v=1791397776 Bismuth (III) oxy chloride, Assay ≥ 98% (ex Bi) | 7787-59-9 Bismuth (III) oxy chloride|30565|7787-59-9 https://www.jk-sci.com/products/j5330567 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b45e0d50b6498455a953c7b71d92985.jpg?v=1791397772 Bismuth (III) perchlorate oxide hydrate, Assay ≥ 99.99% | 66172-93-8 Bismuth (III) perchlorate oxide hydrate|30567|66172-93-8 https://www.jk-sci.com/products/j5330572 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200fd675f8015e79dbbf2e7c09cf909d.jpg?v=1791397767 Cadmium acetate dihydrate, Assay ≥ 98% | 5743-04-4 Cadmium acetate dihydrate|30572|5743-04-4 https://www.jk-sci.com/products/j5330590 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a7745771556bea7addf1f7e1a0fca2e.jpg?v=1791397741 Copper(II) chloride anhydrous, Assay ≥ 98% | 7447-39-4 Copper(II) chloride anhydrous|30590|7447-39-4 https://www.jk-sci.com/products/s57c3d-3267 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439678.png?v=1791388841 Sucrose Octasulfate Potassium Salt, 94.50% | 73264-44-5 Sucrose Octasulfate Potassium Salt|C3D-3267|73264-44-5 https://www.jk-sci.com/products/s57c3d-5000 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303179_6d73218b-14ee-4581-92f8-0ce381327662.png?v=1791388432 Trimethylphosphate, 99.50% | 512-56-1 Trimethylphosphate|C3D-5000|512-56-1 https://www.jk-sci.com/products/j5330610 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7ac4e5fd34a6d5050df12466e7b1e20.jpg?v=1791397707 Manganese (II) fluoride, Assay ≥ 98% (ex Mn) | 7782-64-1 Manganese (II) fluoride|30610|7782-64-1 https://www.jk-sci.com/products/s57c3d-5612 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e9df5c7075303c6c991911a1e63e377.jpg?v=1791388264 N-cyclopentylcyclohexanamine, Purity: 100.0% | 40649-25-0 N-cyclopentylcyclohexanamine|C3D-5612|40649-25-0 https://www.jk-sci.com/products/s57c4x-101728 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f7232233-fb87-450f-904d-b27801591da6.png?v=1791387575 Vardenafil Impurity 28, 99.40% Vardenafil Impurity 28|C4X-101728 https://www.jk-sci.com/products/s57c4x-10204 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5261da4099ced8e1d0f34416e40804.jpg?v=1791387413 Vonoprazan Impurity 4, 99.60% | 1807642-39-2 Vonoprazan Impurity 4|C4X-10204|1807642-39-2 https://www.jk-sci.com/products/s57c4x-102043 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c89c6e69b6b5877584b81689791f4a62.jpg?v=1791387415 Vonoprazan Impurity 43, 97.70% | 2169271-28-5 Vonoprazan Impurity 43|C4X-102043|2169271-28-5 https://www.jk-sci.com/products/j5330618 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5902cb80b59c283da22490a2a4b20e83.jpg?v=1791397703 Nickel (II) carbonate, Assay ≥ 43% (as Ni) | 3333-67-3 Nickel (II) carbonate|30618|3333-67-3 https://www.jk-sci.com/products/j5330640 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd1cebf1ccd5a8a2809abab81d15b2b.jpg?v=1791397677 Strontium bromide hexahydrate, Assay by titration ≥ 98% (Argentometry) | 7789-53-9 Strontium bromide hexahydrate|30640|7789-53-9 https://www.jk-sci.com/products/j5330656 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d837cf2892382a119b4433db0c8c1123.jpg?v=1791397648 Ammonium nickel sulfate hexahydrate, Assay ≥ 99% | 7785-20-8 Ammonium nickel sulfate hexahydrate|30656|7785-20-8 https://www.jk-sci.com/products/j5330651 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b41a7ee22bf339c57ce87d4472bcb121.jpg?v=1791397659 Zinc fluoride anhydrous, Assay by titration 62.3 - 64.2% (as Zn, by EDTA) || Purity ≥ 99% | 7783-49-5 Zinc fluoride anhydrous|30651|7783-49-5 https://www.jk-sci.com/products/j5330659 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de31ac8d36f71466df1fd61833101f56.jpg?v=1791397648 Bismuth (III) oxide, Assay by titration ≥ 87.9% (as Bi, by EDTA) || Purity ≥ 99.99% (Trace metal basi | 1304-76-3 Bismuth (III) oxide|30659|1304-76-3 https://www.jk-sci.com/products/s57c4x-105822 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407698_666cb907-cabb-4009-a04d-0a1a2a0b6037.png?v=1791386426 1-Adamantanamine Hydrochloride, 99.60% | 665-66-7 1-Adamantanamine Hydrochloride|C4X-105822|665-66-7 https://www.jk-sci.com/products/s57c4x-105980 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e6fad1f-8bc6-40f8-945e-3c3fc973f698.png?v=1791386378 N-Nitroso Cinacalcet Impurity 9, Purity: 95.0% N-Nitroso Cinacalcet Impurity 9|C4X-105980 https://www.jk-sci.com/products/s57c4x-106015 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf7735e32a0d557db29e2638494d2fc.jpg?v=1791386369 Bromhexine Impurity 15, 98.20% | 2724689-57-8 Bromhexine Impurity 15|C4X-106015|2724689-57-8 https://www.jk-sci.com/products/s57c4x-108423 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57aa46cba1224c9f008b609db263339a.jpg?v=1791385262 Roflumilast impurity 23, 99.60% | 1369817-76-4 Roflumilast impurity 23|C4X-108423|1369817-76-4 https://www.jk-sci.com/products/s57c4x-10851 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153207.png?v=1791385218 Ambroxol EP Impurity A(Bromhexine EP Impurity A), 96.80% | 50739-76-9 Ambroxol EP Impurity A(Bromhexine EP Impurity A)|C4X-10851|50739-76-9 https://www.jk-sci.com/products/j5330663 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da3e0e47cc3cc4b44c1574d6cf18399_b7a8b209-1b5b-4e9e-a28a-6c78f0759665.jpg?v=1791397641 Calcium fluoride, Purity ≥ 99.99% | 7789-75-5 Calcium fluoride|30663|7789-75-5 https://www.jk-sci.com/products/j5330682 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5c3ba787324d9577e6580503cafb6fe.jpg?v=1791397617 Zinc iodide anhydrous, Assay by titration 20.2 - 20.8% (as Zinc, by EDTA) || Purity ≥ 99.99% trace meta | 10139-47-6 Zinc iodide anhydrous|30682|10139-47-6 https://www.jk-sci.com/products/s57c4x-108737 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120888.png?v=1791385102 Tadalafil Impurity 37, 100.00% | 171489-59-1 Tadalafil Impurity 37|C4X-108737|171489-59-1 https://www.jk-sci.com/products/s57c4x-109721 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4109217f9f150e1277ae373947f66008.jpg?v=1791384562 Olmesartan Impurity 21, 94.40% | 172875-98-8 Olmesartan Impurity 21|C4X-109721|172875-98-8 https://www.jk-sci.com/products/ts246cs-0096454 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d04dbdc88810c0a2d52054c89d7a66d.jpg?v=1791325777 6-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 97% | 1581754-84-8 6-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one|CS-0096454|1581754-84-8 https://www.jk-sci.com/products/s57c4x-112315 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/872ec0a13a0e98ea8c1cdd152c5fee5a.jpg?v=1791383778 Canagliflozin Impurity 15, 98.20% | 1830346-16-1 Canagliflozin Impurity 15|C4X-112315|1830346-16-1 https://www.jk-sci.com/products/j5330698 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd9a92d898bc3ed15b70c682b9e8d61c.jpg?v=1791397600 Moxifloxacin hydrochloride | 186826-86-8 Moxifloxacin hydrochloride|30698|186826-86-8 https://www.jk-sci.com/products/s57c4x-112836 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295215_0135d15e-5041-412f-8744-1e09e9986c18.png?v=1791383626 Sildenafil Impurity 36, 99.00% | 139756-00-6 Sildenafil Impurity 36|C4X-112836|139756-00-6 https://www.jk-sci.com/products/s57c4x-112936 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e97a333b-b313-4ae4-8295-3b4d7741adca.png?v=1791383583 Arbidol Impurity 36, 98.10% Arbidol Impurity 36|C4X-112936 https://www.jk-sci.com/products/s57c4x-124448 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61ad995a93ba12733e00e4c418a54479.jpg?v=1791381087 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8, Purity>95% | 1189866-35-0 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8|C4X-124448|1189866-35-0 https://www.jk-sci.com/products/j5330708 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8be19d51374ca36fd152bbcc1173640b.jpg?v=1791397578 Ng-Z-L-2,4-diaminobutyric acid, Purity ≥ 97% (NMR) | 2130-77-0 Ng-Z-L-2,4-diaminobutyric acid|30708|2130-77-0 https://www.jk-sci.com/products/j5330701 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e97edde0ca1c8d6b0d4de276ea62e2f.jpg?v=1791397592 (1S,2S)-(-)-1,2-Diphenylethylenediamine, Purity by HPLC ≥ 99.5% | 29841-69-8 (1S,2S)-(-)-1,2-Diphenylethylenediamine|30701|29841-69-8 https://www.jk-sci.com/products/j5330710 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d93b8dc671c79a3c439f24e11005052a.jpg?v=1791397578 2-Bromo-3-thiophenecarboxylic acid, Purity by HPLC ≥ 98% | 24287-95-4 2-Bromo-3-thiophenecarboxylic acid|30710|24287-95-4 https://www.jk-sci.com/products/s57c4x-124827 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e09a3e81-4b81-4a23-8207-fd95c448ca68.png?v=1791380964 Valaciclovir EP Impurity J(hydrochloride), 94.50% Valaciclovir EP Impurity J(hydrochloride)|C4X-124827 https://www.jk-sci.com/products/j5330712 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ff90a217e1f5442fa33efe81d78a30a.jpg?v=1791397568 2,4,6-Trichloro-5-nitropyrimidine, Purity by HPLC ≥ 97% | 4359-87-9 2,4,6-Trichloro-5-nitropyrimidine|30712|4359-87-9 https://www.jk-sci.com/products/s57c4x-126743 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0b2b2bb1-c1d5-46c8-8f8f-888d5098e683.png?v=1791380760 Ixazomib Impurity 43, Purity: 93.2% Ixazomib Impurity 43|C4X-126743 https://www.jk-sci.com/products/j5330726 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460117e602a8b4fc677656519fb6e480.jpg?v=1791397542 6-Bromo-4-chromanone, Purity by GC ≥ 98% | 49660-57-3 6-Bromo-4-chromanone|30726|49660-57-3 https://www.jk-sci.com/products/j5330717 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ce25b2f1f45acf84d1674edec54fb7a.jpg?v=1791397558 (1S,2S)-(+)-N-p-Tosyl-1,2-diphenylethylenediamine, Assay ≥ 99% | 167316-27-0 (1S,2S)-(+)-N-p-Tosyl-1,2-diphenylethylenediamine|30717|167316-27-0 https://www.jk-sci.com/products/j5330738 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d5624448862f5daee7c660bfe201b99.jpg?v=1791397522 Caprylic acid, Purity by GC ≥ 99% | 124-07-2 Caprylic acid|30738|124-07-2 https://www.jk-sci.com/products/j5329024 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41cde077b2a048bede7914d33ca1f8a1.jpg?v=1791399751 (3-Hydroxyphenyl)acetic acid ethyl ester, Purity by GC ≥ 99% | 22446-38-4 (3-Hydroxyphenyl)acetic acid ethyl ester|29024|22446-38-4 https://www.jk-sci.com/products/j5329794 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45f5aaae92bf432f40fe6622080f2df6.jpg?v=1791398993 b-Alanine 7-amido-4-methylcoumarin hydrochloride, Purity by HPLC ≥ 98% | 201847-54-3 b-Alanine 7-amido-4-methylcoumarin hydrochloride|29794|201847-54-3 https://www.jk-sci.com/products/s57c4x-129828 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b8cb442-db6a-4b92-b772-a89b3ad5f630.png?v=1791380618 Dobutamine Impurity 28 (Mixture of Diastereomers), Purity: 98.0% Dobutamine Impurity 28 (Mixture of Diastereomers)|C4X-129828 https://www.jk-sci.com/products/j5330029 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a64beae2928e035ac541a338475ec20.jpg?v=1791398629 Methyl 2-iodobenzoate, Purity by GC ≥ 99% | 610-97-9 Methyl 2-iodobenzoate|30029|610-97-9 https://www.jk-sci.com/products/s57c1068201 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c359ae610f49e3c32c6dc276ba0a526c.jpg?v=1791391430 2-(Aminomethyl)-4-nitrophenol Hydrochloride, 97.20% | 113186-97-3 2-(Aminomethyl)-4-nitrophenol Hydrochloride|C1068201|113186-97-3 https://www.jk-sci.com/products/s57c4x-274916 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8618d314665622ffd21c2dba4391a43a.jpg?v=1791368178 Apalutamide Impurity 16, 92.60% | 1950587-20-8 Apalutamide Impurity 16|C4X-274916|1950587-20-8 https://www.jk-sci.com/products/s57c1208190 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38b541eb0046aa732cd1a4f14c0c5959.jpg?v=1791391266 Diclofenac Impurity N1, 98.20% | 131023-43-3 Diclofenac Impurity N1|C1208190|131023-43-3 https://www.jk-sci.com/products/s57c1309331 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127487.png?v=1791391125 3-Bromopyrazole, 97.70% | 14521-80-3 3-Bromopyrazole|C1309331|14521-80-3 https://www.jk-sci.com/products/s57c1310898 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/836251143f98a2a905a4d5b40cbeeb78.jpg?v=1791391117 Mastoparan 17 | 145854-61-1 Mastoparan 17|C1310898|145854-61-1 https://www.jk-sci.com/products/s57c1344201 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd9f9aff8d7161c87420fe10980dffe8.jpg?v=1791391058 1-(2,4-Dichloro-3-methylphenyl)ethanone, 98.80% | 157652-32-9 1-(2,4-Dichloro-3-methylphenyl)ethanone|C1344201|157652-32-9 https://www.jk-sci.com/products/j5330182 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ae5eaa2fc27fd1cdc9720c82f5f21a7.jpg?v=1791398418 Lead(II) oxide, Assay by titration ≥ 99% | 1317-36-8 Lead(II) oxide|30182|1317-36-8 https://www.jk-sci.com/products/j5330282 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c80277629bb7e7756c817591832b0986.jpg?v=1791398269 Nickel(II) bromide anhydrous, Assay ≥ 99% | 13462-88-9 Nickel(II) bromide anhydrous|30282|13462-88-9 https://www.jk-sci.com/products/s57c1595015 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39840f64efc499f0c5362ae87fb7e4bb.jpg?v=1791390640 Bis(2-aminophenyl) Sulfide, 99.90% | 5873-51-8 Bis(2-aminophenyl) Sulfide|C1595015|5873-51-8 https://www.jk-sci.com/products/s57c1713260 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108be8d75730d64008dea836d80ce731.jpg?v=1791390386 4-Aminopiperidine-4-carboxylic Acid, 97.70% | 40951-39-1 4-Aminopiperidine-4-carboxylic Acid|C1713260|40951-39-1 https://www.jk-sci.com/products/s57c1716970 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556695.png?v=1791390383 4-Bromo-N-phenylaniline, Purity: 100.0% | 54446-36-5 4-Bromo-N-phenylaniline|C1716970|54446-36-5 https://www.jk-sci.com/products/s57c1817683 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250012.png?v=1791390066 Ethyl 4-[(aminocarbonothioyl)amino]benzoate, 92.70% | 23051-16-3 Ethyl 4-[(aminocarbonothioyl)amino]benzoate|C1817683|23051-16-3 https://www.jk-sci.com/products/s57c1872752 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68ddfb747b7785f4374c598f25f75861.jpg?v=1791389874 Triacetic Acid impurity 01, 91.40% | 6943-40-4 Triacetic Acid impurity 01|C1872752|6943-40-4 https://www.jk-sci.com/products/j5330351 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70188fac69ebc052a7313c1747def105.jpg?v=1791398127 Di Benzyl-D-Tartarate, Purity by HPLC ≥ 99% | 4136-22-5 Di Benzyl-D-Tartarate|30351|4136-22-5 https://www.jk-sci.com/products/s57c1885879 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9c6735d3a85f7d835570fd23b5ae24.jpg?v=1791389827 O,O-Dityrosine, 91.30% | 980-21-2 O,O-Dityrosine|C1885879|980-21-2 https://www.jk-sci.com/products/s57c1911404 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a250ff055ddb5de7b8d23f90de3fce17.jpg?v=1791389679 Vitamin B6 Impurity 13, Purity: 100.0% | 23460-73-3 Vitamin B6 Impurity 13|C1911404|23460-73-3 https://www.jk-sci.com/products/s57c1919641 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360452.png?v=1791389584 N-Nitroso-D,L-pipecolic Acid, 99.40% | 4515-18-8 N-Nitroso-D,L-pipecolic Acid|C1919641|4515-18-8 https://www.jk-sci.com/products/s57c3d-25906 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_45c692e1-a7f0-4b64-92e1-3712ba0bf8f5.png?v=1791389191 Suplatast Tosylate-D5, Purity: 98.3% Suplatast Tosylate-D5|C3D-25906 https://www.jk-sci.com/products/s57c3d-262658 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c03b856da59dff463e0de7eac74df2c3.jpg?v=1791389023 PBT Impurity 58, 98.30% | 210566-88-4 PBT Impurity 58|C3D-262658|210566-88-4 https://www.jk-sci.com/products/s57c3d-4773 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597611.png?v=1791388465 2,3-Dihydroxybenzoic Acid, 96.20% | 303-38-8 2,3-Dihydroxybenzoic Acid|C3D-4773|303-38-8 https://www.jk-sci.com/products/j5330428 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5923ad2ca1b87676c3223ea3881d8731.jpg?v=1791397996 Tetramethylammonium bromide, Assay by titration ≥ 99% | 64-20-0 Tetramethylammonium bromide|30428|64-20-0 https://www.jk-sci.com/products/j5330391 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299405a9e2af522d9885170ad2420ebd.jpg?v=1791398058 Didecyldimethylammonium bromide, Assay ≥ 99% | 2390-68-3 Didecyldimethylammonium bromide|30391|2390-68-3 https://www.jk-sci.com/products/s57c4x-10203 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d52f42135e0fc790c7d3587812bdefe2.jpg?v=1791387429 Vonoprazan Fumarate Impurity 3, 100.00% | 881674-56-2 Vonoprazan Fumarate Impurity 3|C4X-10203|881674-56-2 https://www.jk-sci.com/products/j5330465 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b576e72d0f84ee811a1eba01b86e11e7.jpg?v=1791397938 (4S)-Azido-L-Proline hydrochloride, Assay by titration ≥ 95% || Purity by HPLC ≥ 99% | 1217823-31-8 (4S)-Azido-L-Proline hydrochloride|30465|1217823-31-8 https://www.jk-sci.com/products/j5330486 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d01554f926a7c423a12b053ebde4d6b.jpg?v=1791397903 Na-Fmoc-L-2,3-diaminopropionic acid tert-butyl ester hydrochloride, Assay by titration 99 - 101% || Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588527.png?v=1791386756 Diclofenac sodium, 99.80% | 15307-79-6 Diclofenac sodium|C4X-1051|15307-79-6 https://www.jk-sci.com/products/s57c4x-105547 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1be8a77397835315a408e8b780bba8ac_1f63096e-e410-48e1-8186-12c7f95ed1ea.jpg?v=1791386612 Topiroxostat Impurity 47, 99.90% | 93-60-7 Topiroxostat Impurity 47|C4X-105547|93-60-7 https://www.jk-sci.com/products/j5330513 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1af16973a2dd369c11294470d4211b8a.jpg?v=1791397855 Na-Azido-Ne-Boc-L-Lysine, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 333366-32-8 Na-Azido-Ne-Boc-L-Lysine|30513|333366-32-8 https://www.jk-sci.com/products/s57c4x-105913 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c2bb5131424ed1276f1ffff8a30293e.jpg?v=1791386404 Cinacalcet Impurity 13, 99.40% | 2074615-22-6 Cinacalcet Impurity 13|C4X-105913|2074615-22-6 https://www.jk-sci.com/products/s57c4x-1087162 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_31bcd2b0-adf1-4ff7-916a-7611fd44dd73.png?v=1791385125 Tadalafil Impurity 162, 92.30% Tadalafil Impurity 162|C4X-1087162 https://www.jk-sci.com/products/s57c4x-11489 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5676abffa6aae89f540a820d82c80b7d.jpg?v=1791382830 Amoxicillin EP Impurity J(Mixture), 89.80% | 73590-06-4 Amoxicillin EP Impurity J(Mixture)|C4X-11489|73590-06-4 https://www.jk-sci.com/products/j5330531 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db01cf414b7161ef0605b3c03e81e3dd.jpg?v=1791397824 Na-Fmoc-Ne-Palmitoyl-D-Lysine, Assay by titration 98 - 100% || Purity by HPLC ≥ 99% | 1301706-55-7 Na-Fmoc-Ne-Palmitoyl-D-Lysine|30531|1301706-55-7 https://www.jk-sci.com/products/s57c4x-131288 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256774_53cb7bb9-75dc-4b1f-8349-7c9ce84bb414.png?v=1791380452 (+)-Citronellal, Purity: 92.2% | 2385-77-5 (+)-Citronellal|C4X-131288|2385-77-5 https://www.jk-sci.com/products/j5330560 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b395794793484a06389c9c1504dce803.jpg?v=1791397781 Bismuth (III) citrate, Assay 50.9-54.0% (as Bi) | 813-93-4 Bismuth (III) citrate|30560|813-93-4 https://www.jk-sci.com/products/s57c4x-13665 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502667.png?v=1791379596 Voriconazole EP Impurity E(Voriconazole Related Compound F), 99.20% | 5872-08-2 Voriconazole EP Impurity E(Voriconazole Related Compound F)|C4X-13665|5872-08-2 https://www.jk-sci.com/products/s57c4x-138910 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c88e73fb3895f1659e22be984ba71bb0.jpg?v=1791379231 Budesonide EP Impurity J (Mixture of Diastereomers), 98.40% | 313474-59-8 Budesonide EP Impurity J (Mixture of Diastereomers)|C4X-138910|313474-59-8 https://www.jk-sci.com/products/j5330571 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07834a4597f3976314b2bdd4d421747f.jpg?v=1791397767 Cadmium acetate anhydrous, Assay 46.0-49.5% (as Cadmium) || Purity ≥ 99% | 543-90-8 Cadmium acetate anhydrous|30571|543-90-8 https://www.jk-sci.com/products/j5330605 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dff966a866e0aaf1c764c8de2a570eb7.jpg?v=1791397717 Manganese (II) acetate tetrahydrate, Assay ? 99% (Mn : ? 22%) | 6156-78-1 Manganese (II) acetate tetrahydrate|30605|6156-78-1 https://www.jk-sci.com/products/j5330655 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20134f10dba9041b51dee59bf601e4bf.jpg?v=1791397654 Zinc perchlorate hexahydrate, Assay ≥ 99.99% (Zn content min. 17.5%) | 10025-64-6 Zinc perchlorate hexahydrate|30655|10025-64-6 https://www.jk-sci.com/products/s57c1104990 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7bb5ca6a-6c24-47c4-9aa6-039d1ec9fc91.png?v=1791391394 rac Demethyl Citalopram-d3 Hydrochloride, Purity>95% rac Demethyl Citalopram-d3 Hydrochloride|C1104990 https://www.jk-sci.com/products/s57c1106603 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7ead1f50619ad124146dda93a826903.jpg?v=1791391390 (S)-4-Oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid, Purity: 99.6% | 1190392-22-3 (S)-4-Oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid|C1106603|1190392-22-3 https://www.jk-sci.com/products/j5330625 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eadb322f2be12bfef17c55af35825e26.jpg?v=1791397692 Nickel (II) oxalate dihydrate, Purity ≥ 99% (On Ni content) | 6018-94-6 Nickel (II) oxalate dihydrate|30625|6018-94-6 https://www.jk-sci.com/products/j5330662 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c98364894ed3bacf4922461fee1541a8.jpg?v=1791397643 Cadmium fluoride, Assay ≥ 74% (as Cd) || Purity ≥ 99% | 7790-79-6 Cadmium fluoride|30662|7790-79-6 https://www.jk-sci.com/products/s57c1108736 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce7eeb2958de00c139c4006dfd5e188d.jpg?v=1791391377 Dabrafenib Impurity N6, 99.50% | 1195768-20-7 Dabrafenib Impurity N6|C1108736|1195768-20-7 https://www.jk-sci.com/products/j5330683 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/def07ca5aad7a8673eeaebd91b97042b.jpg?v=1791397617 Zinc oxalate dihydrate, Assay 34-40% (as Zn) || Purity ≥ 99% | 55906-21-3 Zinc oxalate dihydrate|30683|55906-21-3 https://www.jk-sci.com/products/j5330699 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9855a11dcf6982d20c7baa704998a19f.jpg?v=1791397596 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt, Purity by HPLC ≥ 99% | 6578-06-9 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt|30699|6578-06-9 https://www.jk-sci.com/products/j5330709 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a073d9a4354507ea9443ff7a50a279a.jpg?v=1791397578 H-Dab(hexanoyl)-OH, Purity ≥ 97% (NMR) H-Dab(hexanoyl)-OH|30709 https://www.jk-sci.com/products/s57c1215380 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be8dd2045cc07b7530233f0920341ff.jpg?v=1791391254 Paclitaxel Impurity N1, 95.20% | 132201-33-3 Paclitaxel Impurity N1|C1215380|132201-33-3 https://www.jk-sci.com/products/s57c1509723 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568334_daeccb60-40cb-4824-8d31-f5a743e5dcae.png?v=1791390789 1-(1-Methylpiperidin-4-yl)piperazine, 97.10% | 23995-88-2 1-(1-Methylpiperidin-4-yl)piperazine|C1509723|23995-88-2 https://www.jk-sci.com/products/s57c1606032 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9b7fe94b84aa1dcc1ede19232e990e9_a03e3947-997b-4063-9ec2-2ebb19a31a53.jpg?v=1791390594 2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-Methylbenzenesulfonate, 86.30% | 77544-68-4 2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-Methylbenzenesulfonate|C1606032|77544-68-4 https://www.jk-sci.com/products/j5330713 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/facb52718fce9744d5ee3b906dab7a92.jpg?v=1791397563 3-Iodo-1H-pyrazole, Purity by GC ≥ 98% | 4522-35-4 3-Iodo-1H-pyrazole|30713|4522-35-4 https://www.jk-sci.com/products/s57c1774223 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469260_2fbedbdb-b239-4e6c-83a9-d7ae8654b8aa.png?v=1791390289 6-Methoxy-8-nitroquinoline, 99.60% | 85-81-4 6-Methoxy-8-nitroquinoline|C1774223|85-81-4 https://www.jk-sci.com/products/s57c1806148 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418989.png?v=1791390107 Trans-9-Octadecenol, 99.60% | 506-42-3 Trans-9-Octadecenol|C1806148|506-42-3 https://www.jk-sci.com/products/s57c1821903 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac69c6102d92321f38a051aaaa15ff30.jpg?v=1791390062 Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate, 99.20% | 5350-94-7 Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate|C1821903|5350-94-7 https://www.jk-sci.com/products/s57c1920837 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216729_423114a7-8bc3-4572-ae32-e1794db644b2.png?v=1791389560 2-Acetamidopyridine, 99.80% | 5231-96-9 2-Acetamidopyridine|C1920837|5231-96-9 https://www.jk-sci.com/products/s57c3d-1837 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298607.png?v=1791389379 L-Alanyl-L-glutamine, 99.00% | 39537-23-0 L-Alanyl-L-glutamine|C3D-1837|39537-23-0 https://www.jk-sci.com/products/s57c4x-27616 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_737b74cf-2e7d-4e90-8bdf-92c8faf176e0.png?v=1791368149 Oxaliplatin EP Impurity E, 96.90% | 82398-34-3 Oxaliplatin EP Impurity E|C4X-27616|82398-34-3 https://www.jk-sci.com/products/s57c3d-3918 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbce8107706e10381231fb802f6557bd.jpg?v=1791388666 Ethyl 2-bromophenylacetate, Purity: 100.0% | 2178-24-7 Ethyl 2-bromophenylacetate|C3D-3918|2178-24-7 https://www.jk-sci.com/products/s57c3d-4508 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e008b7931b764d046bd6bf063a97f3d2.jpg?v=1791388519 N-ethyl-N-(pyridin-4-ylmethyl)nitrous amide (Mixture of Isomers), 96.20% | 13256-23-0 N-ethyl-N-(pyridin-4-ylmethyl)nitrous amide (Mixture of Isomers)|C3D-4508|13256-23-0 https://www.jk-sci.com/products/s57c3d-5040 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3bd3699974bb1a0ede0b3d52405416d.jpg?v=1791388422 4-Chloro-4-methyl-2-Pentanone, 85.60% | 14575-13-4 4-Chloro-4-methyl-2-Pentanone|C3D-5040|14575-13-4 https://www.jk-sci.com/products/j5330727 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03c997c8b50cb66927fffdf919d0aa79.jpg?v=1791397542 1-Azido-3,6,9-trioxaundecane-11-ol, Purity by HPLC ≥ 98% | 86770-67-4 1-Azido-3,6,9-trioxaundecane-11-ol|30727|86770-67-4 https://www.jk-sci.com/products/s57c3d-5683 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7a8ae842c599d1c3037cf0648596d7d.jpg?v=1791388234 3,5-Dinitro-4-phenoxybenzoic acid, 99.80% | 35138-18-2 3,5-Dinitro-4-phenoxybenzoic acid|C3D-5683|35138-18-2 https://www.jk-sci.com/products/s57c3d-5916 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517072_ed8d805e-cdc6-428f-af36-55b2c2a010e6.png?v=1791388131 2-Mercapto-5-methylbenzimidazole, Purity: 100.0% | 27231-36-3 2-Mercapto-5-methylbenzimidazole|C3D-5916|27231-36-3 https://www.jk-sci.com/products/j5330766 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8a1474b406f21756843eee07ea90c6d.jpg?v=1791397490 Stearic acid, Purity by GC ≥ 99% | 57-11-4 Stearic acid|30766|57-11-4 https://www.jk-sci.com/products/s57c4x-10013 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/628007_ca6cfef2-5c3a-4d5a-a45c-95c3978b7f7a.png?v=1791387983 Erythromycin EP Impurity D, 98.90% | 23893-13-2 Erythromycin EP Impurity D|C4X-10013|23893-13-2 https://www.jk-sci.com/products/s57c4x-10029 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21eb97c22362a9f6e430e570a56133db.jpg?v=1791387932 Clarithromycin EP Impurity N, 90.60% | 144604-03-5 Clarithromycin EP Impurity N|C4X-10029|144604-03-5 https://www.jk-sci.com/products/s57c4x-101911 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235221.png?v=1791387533 Fluconazole Impurity 11, 91.60% | 51336-94-8 Fluconazole Impurity 11|C4X-101911|51336-94-8 https://www.jk-sci.com/products/s57c4x-278214 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_08981bc9-a051-47df-8512-551deda3f610.png?v=1791368085 Trametinib impurity 14, 96.70% Trametinib impurity 14|C4X-278214 https://www.jk-sci.com/products/j5330770 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1476e7016b38162202220c96116d089c.jpg?v=1791397484 2,4-Dichloro-5-(trifluoromethyl)pyrimidine, Purity by GC ≥ 99% | 3932-97-6 2,4-Dichloro-5-(trifluoromethyl)pyrimidine|30770|3932-97-6 https://www.jk-sci.com/products/s57c4x-102271 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf6b7040-5da2-457c-9086-0fa055c14008.png?v=1791387324 Carfilzomib Impurity 71, Purity: 97.3% Carfilzomib Impurity 71|C4X-102271 https://www.jk-sci.com/products/s57c4x-1058 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539051.png?v=1791386439 Memantine, 97.90% | 19982-08-2 Memantine|C4X-1058|19982-08-2 https://www.jk-sci.com/products/j5330777 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ebf4fea0f2cfe628b34b64b9e29751.jpg?v=1791397468 Adenine, low endotoxin =0.2 EU/mg, Assay by titration 98.5 - 101.0% | 73-24-5 Adenine, low endotoxin =0.2 EU/mg|30777|73-24-5 https://www.jk-sci.com/products/j5330789 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59dd61a34720fc8e6cd4b3f24dc93366.jpg?v=1791397448 N-Propanoyl mannosamine, Purity by HPLC ≥ 99% | 79624-37-6 N-Propanoyl mannosamine|30789|79624-37-6 https://www.jk-sci.com/products/s57c4x-106232 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95b7e4218f321c8ac8f21b391c039306.jpg?v=1791386333 Edaravone impurity 32, 90.40% | 852539-02-7 Edaravone impurity 32|C4X-106232|852539-02-7 https://www.jk-sci.com/products/s57c4x-10717 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/555037af8ccb25fc41342447e8ac44ec.jpg?v=1791385879 Axitinib Impurity 7, 98.40% | 944835-85-2 Axitinib Impurity 7|C4X-10717|944835-85-2 https://www.jk-sci.com/products/s57c4x-107497 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_53bf11bd-5754-4161-ada2-890356597e02.png?v=1791385697 (S,S)-Moxifloxacin Impurity 97, 97.20% (S,S)-Moxifloxacin Impurity 97|C4X-107497 https://www.jk-sci.com/products/s57c4x-108217 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13074a5002d9fb59976ec719d83d4f6.jpg?v=1791385409 Ibuprofen EP Impurity Q, 92.50% | 36039-35-7 Ibuprofen EP Impurity Q|C4X-108217|36039-35-7 https://www.jk-sci.com/products/j5330791 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eadcbd14982bcc0688b53db4889d83af.jpg?v=1791397444 2-Acetamido-1,3,4,6-tetra-O-acetyl-2-deoxy-D-galactopyranose, Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151152_98e4139d-ee33-4f68-8bc9-841052a4d0a3.png?v=1791381858 Bupropion HCl, Purity>95% | 31677-93-7 Bupropion HCl|C4X-1203|31677-93-7 https://www.jk-sci.com/products/j5330795 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fb7cd9fc44b46bb6cbde51f26110b64.jpg?v=1791397444 Sodium bis(trimethylsilyl)amide, Purity ≥ 99% | 1070-89-9 Sodium bis(trimethylsilyl)amide|30795|1070-89-9 https://www.jk-sci.com/products/j5330802 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3473570560727a694ec7065e2de47404.jpg?v=1791397434 Imipenem Monohydrate, Purity by HPLC 98 - 102% | 74431-23-5 Imipenem Monohydrate|30802|74431-23-5 https://www.jk-sci.com/products/j5331201 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd3bcd1746e05667b4e3556b33d1002e.jpg?v=1791397296 2-Chloro-1,3-dimethylimidazolinium hexafluorophosphate, Purity by HPLC ≥ 99% | 101385-69-7 2-Chloro-1,3-dimethylimidazolinium hexafluorophosphate|31201|101385-69-7 https://www.jk-sci.com/products/s57c4x-120825 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4da51bc286da9588be3d39bf9faf5d5.jpg?v=1791381762 Posaconazole Impurity 25, Purity: 98.9% | 1042398-26-4 Posaconazole Impurity 25|C4X-120825|1042398-26-4 https://www.jk-sci.com/products/s57c4x-130844 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab6cff5805b37cefbfd31d18fbd9cc33.jpg?v=1791380534 Levosimendan Impurity 44, Purity: 95.3% | 63514-63-6 Levosimendan Impurity 44|C4X-130844|63514-63-6 https://www.jk-sci.com/products/j5331121 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46d119c495f82743b942af1342d4c40b.jpg?v=1791397321 Xantphos, Assay ≥ 98% | 161265-03-8 Xantphos|31121|161265-03-8 https://www.jk-sci.com/products/s57c4x-135826 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c63749ef-64ad-4313-933d-bf9d02144d8b.png?v=1791379746 Cefditoren Impurity 26, 90.10% Cefditoren Impurity 26|C4X-135826 https://www.jk-sci.com/products/s57c4x-159052 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10f64b0d-da95-4541-907a-ccb88d166a3c.png?v=1791376340 Safinamide impurity 52, 93.40% | 100370-27-3 Safinamide impurity 52|C4X-159052|100370-27-3 https://www.jk-sci.com/products/s57c4x-280623 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a74d9833-3451-4a0a-ba33-9c399a55b1f2.png?v=1791368019 ethyl 13-(3-methyl-5-pentylfuran-2-yl)tridecanoate, 95.40% ethyl 13-(3-methyl-5-pentylfuran-2-yl)tridecanoate|C4X-280623 https://www.jk-sci.com/products/j5331031 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2771ddc2b36d1a6b4de1ff490f30b56f.jpg?v=1791397367 Rapamycin from Streptomyces hygroscopicus, Purity by HPLC 95 - 102% | 53123-88-9 Rapamycin from Streptomyces hygroscopicus|31031|53123-88-9 https://www.jk-sci.com/products/j5331112 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82ae1a338891c751ffd915a1b6e38854.jpg?v=1791397335 2-Chlorobenzimidazole, Purity by HPLC ≥ 98% | 4857-06-1 2-Chlorobenzimidazole|31112|4857-06-1 https://www.jk-sci.com/products/s57c1214906 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157478.png?v=1791391262 Xanomeline, 99.60% | 131986-45-3 Xanomeline|C1214906|131986-45-3 https://www.jk-sci.com/products/s57c1236501 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238332_5c9cd549-dced-47df-9e8d-90d4cfb2ef0c.png?v=1791391235 Methyl cis-7,10,13,16-docosatetraenoate, 96.50% | 13487-42-8 Methyl cis-7,10,13,16-docosatetraenoate|C1236501|13487-42-8 https://www.jk-sci.com/products/j5331185 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0626c2066ac8fcb0a83df423f171eb20.jpg?v=1791397312 D-(+)-Sucrose octaacetate, Assay 98.0 - 100.5% | 126-14-7 D-(+)-Sucrose octaacetate|31185|126-14-7 https://www.jk-sci.com/products/j5331206 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5604ea575e5eb433b6e2cdb947c96ee.jpg?v=1791397285 O-(Benzotriazol-1-yl)- N,N,N’,N’-bis(tetramethylene)uronium hexafluorophosphate, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c3dc2268f04f4a16abb0fc1c1807442.jpg?v=1791397291 O-[(Ethoxycarbonyl)cyanomethylenamino]- N,N,N’,N’-tetramethyluronium hexafluorophosphate, Purity by HPLC ≥ 99% | 333717-40-1 O-[(Ethoxycarbonyl)cyanomethylenamino]- N,N,N’,N’-tetramethyluronium hexafluorophosphate|31204|333717-40-1 https://www.jk-sci.com/products/s57c1500080 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48e3a8bce51e382ea58ebc2ee0343e68.jpg?v=1791390796 (S)-8-(benzyloxy)-5-(2-bromo-1-((tert-butyldimethylsilyl)oxy)ethyl)quinolin-2(1H)-one, Purity: 93.6% | 530084-74-3 (S)-8-(benzyloxy)-5-(2-bromo-1-((tert-butyldimethylsilyl)oxy)ethyl)quinolin-2(1H)-one|C1500080|530084-74-3 https://www.jk-sci.com/products/j5330858 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a76a2188959f89d73eff492f4d92f028.jpg?v=1791397403 3'-Methoxyacetophenone, Purity by GC ≥ 99% | 586-37-8 3'-Methoxyacetophenone|30858|586-37-8 https://www.jk-sci.com/products/s57c1705434 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340017_0171185d-ee2a-42bc-8d90-ab5865335190.png?v=1791390401 4,4'-Oxydibenzonitrile, 99.60% | 6508-04-9 4,4'-Oxydibenzonitrile|C1705434|6508-04-9 https://www.jk-sci.com/products/j5330841 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3931f24f259f2b2a25b366f1628bf4b7.jpg?v=1791397428 1,4-Dibromo-2-iodobenzene, Purity by GC ≥ 99% | 89284-52-6 1,4-Dibromo-2-iodobenzene|30841|89284-52-6 https://www.jk-sci.com/products/j5331192 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb63d5561f4f4e37ed5916e4133e8326.jpg?v=1791397307 2,3-Dimethylpyrazine, Purity by GC ≥ 99% | 5910-89-4 2,3-Dimethylpyrazine|31192|5910-89-4 https://www.jk-sci.com/products/s57c4x-284210 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cd9c57d0353ba2914846be4cd70ff47.jpg?v=1791367959 6-Oxo-Estradiol-17-Valerate, 94.40% | 1313382-51-2 6-Oxo-Estradiol-17-Valerate|C4X-284210|1313382-51-2 https://www.jk-sci.com/products/s57c1752095 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153481_8e9ea924-cdfa-4ca7-b577-c2e5eb87c079.png?v=1791390331 5-Chloro-2-methylpyridine, Purity: 99.2% | 72093-07-3 5-Chloro-2-methylpyridine|C1752095|72093-07-3 https://www.jk-sci.com/products/s57c1823664 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_21b54982-a9f2-499d-8731-9c3f462536fe.png?v=1791390048 Ferric Carboxymaltose, Purity: 90.1% | 9007-72-1 Ferric Carboxymaltose|C1823664|9007-72-1 https://www.jk-sci.com/products/j5331211 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7508480da7c577b630df1dce3daae95.jpg?v=1791397280 1,1,3,3-Tetramethyl-2-(2-oxopyridin-1(2H)-yl)isouronium hexafluorophosphate, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559665_0049aec0-77a7-4f6f-8381-dc68ffd044a0.png?v=1791389669 Methyl 3,5-dimethoxybenzoate, 98.60% | 2150-37-0 Methyl 3,5-dimethoxybenzoate|C1913342|2150-37-0 https://www.jk-sci.com/products/j5331213 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/812db7d5ce129d0b3502f9a21b874ed9.jpg?v=1791397275 N,N,N’,N’-Tetramethyl-S-(1-oxido-2-pyridyl)thiouronium hexafluorophosphate, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454b79b1dc165f54d675770ec18cc137.jpg?v=1791397244 Di-2-pyridyl carbonate, Purity by HPLC ≥ 99% | 1659-31-0 Di-2-pyridyl carbonate|31230|1659-31-0 https://www.jk-sci.com/products/s57c1919433 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403090.png?v=1791389583 Tris(dimethylamino)borane, 94.60% | 4375-83-1 Tris(dimethylamino)borane|C1919433|4375-83-1 https://www.jk-sci.com/products/j5331223 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4e798df518e198645ba55e5c161ce09.jpg?v=1791397254 Methyl 4-(chlorocarbonyl)benzoate, Purity by HPLC ≥ 98% | 7377-26-6 Methyl 4-(chlorocarbonyl)benzoate|31223|7377-26-6 https://www.jk-sci.com/products/s57c1922020 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129286.png?v=1791389521 tert-Butoxy bis(dimethylamino)methane, Purity: 90.0% | 5815-08-7 tert-Butoxy bis(dimethylamino)methane|C1922020|5815-08-7 https://www.jk-sci.com/products/s57c3d-1998 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449941_9cead8fd-4b13-4115-98c8-c4e0ef020ef7.png?v=1791389362 N-(4-Nitrobenzoyl)-L-glutamic Acid, 84.00% | 6758-40-3 N-(4-Nitrobenzoyl)-L-glutamic Acid|C3D-1998|6758-40-3 https://www.jk-sci.com/products/j5331215 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f326647a6c3b61a96d21d6272994347d.jpg?v=1791397275 mono-Methyl terephthalate, Purity by HPLC ≥ 99% | 1679-64-7 mono-Methyl terephthalate|31215|1679-64-7 https://www.jk-sci.com/products/s57c3d-26090 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a8a6ac6b0a018b3b423ace0e8a1f004.jpg?v=1791389102 4-(4-Chlorobutoxy)butan-1-ol, 95.00% | 60767-73-9 4-(4-Chlorobutoxy)butan-1-ol|C3D-26090|60767-73-9 https://www.jk-sci.com/products/s57c3d-2805 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573340.png?v=1791388961 DL-Norvaline, 99.10% | 760-78-1 DL-Norvaline|C3D-2805|760-78-1 https://www.jk-sci.com/products/s57c3d-3360 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/532000.png?v=1791388816 2-Cyanopyrimidine, 98.40% | 14080-23-0 2-Cyanopyrimidine|C3D-3360|14080-23-0 https://www.jk-sci.com/products/s57c3d-4700 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373355.png?v=1791388480 2-(2,3-dimethoxyphenyl)ethan-1-amine, 92.80% | 3213-29-4 2-(2,3-dimethoxyphenyl)ethan-1-amine|C3D-4700|3213-29-4 https://www.jk-sci.com/products/s57c4x-284811 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7eca233-ec60-4f06-801e-b93ae157c1a6.png?v=1791367940 Nabumetone Impurity 11, 97.80% Nabumetone Impurity 11|C4X-284811 https://www.jk-sci.com/products/s57c3d-5512 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608818.png?v=1791388291 2-Hydroxyethanesulphonic acid, 75.50% | 107-36-8 2-Hydroxyethanesulphonic acid|C3D-5512|107-36-8 https://www.jk-sci.com/products/s57c4x-10094 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ef0ab8bb6f5f163beb8de771548dc35.jpg?v=1791387739 Apremilast Impurity 4, 96.50% | 2201974-01-6 Apremilast Impurity 4|C4X-10094|2201974-01-6 https://www.jk-sci.com/products/j5331235 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f94102fb558f69a4e3d714ea15a3f62.jpg?v=1791397239 Tripyrrolidinophosphine oxide, Purity by GC ≥ 98% | 6415-07-2 Tripyrrolidinophosphine oxide|31235|6415-07-2 https://www.jk-sci.com/products/j5331251 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d8b007ac4b62c21b6813fc440ca9012.jpg?v=1791397202 6-Bromo-3-pyridinecarboxaldehyde, Purity by HPLC ≥ 99% | 149806-06-4 6-Bromo-3-pyridinecarboxaldehyde|31251|149806-06-4 https://www.jk-sci.com/products/s57c4x-101225 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e839c684-416f-454b-818f-c7158546cf32.png?v=1791387660 Baclofen impurity 25 HBr, 95.20% Baclofen impurity 25 HBr|C4X-101225 https://www.jk-sci.com/products/j5331255 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e10433b5f1e1e08a607edd30c842b6b.jpg?v=1791397192 2-Mesitylenesulfonyl hydrazide, Purity by HPLC ≥ 99% | 16182-15-3 2-Mesitylenesulfonyl hydrazide|31255|16182-15-3 https://www.jk-sci.com/products/j5331241 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1ba446db4759563564ab46e33174fa0.jpg?v=1791397228 N-(Diphenylmethylene)aminoacetonitrile, Purity by HPLC ≥ 99% | 70591-20-7 N-(Diphenylmethylene)aminoacetonitrile|31241|70591-20-7 https://www.jk-sci.com/products/s57c4x-10291 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea42992533eda3b952bc7858c81f01c6.jpg?v=1791387201 Clopidogrel EP Impurity A HCl, 90.80% | 144750-42-5 Clopidogrel EP Impurity A HCl|C4X-10291|144750-42-5 https://www.jk-sci.com/products/j5331260 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5e4cd8547784dfdb7d488c11e111b26.jpg?v=1791397187 Ethyl O-(2-mesitylenesulfonyl)acethydroxamate, Purity by HPLC ≥ 98% | 38202-27-6 Ethyl O-(2-mesitylenesulfonyl)acethydroxamate|31260|38202-27-6 https://www.jk-sci.com/products/j5331258 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2537b266046c434a123a7ca3e2faeafb.jpg?v=1791397186 Chloroformamidine hydrochloride, Assay by titration ≥ 99% | 29671-92-9 Chloroformamidine hydrochloride|31258|29671-92-9 https://www.jk-sci.com/products/s57c4x-104335 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480624_ffb03884-787a-4527-ba95-ef535631b157.png?v=1791386902 Celecoxib Impurity 35, Purity: 99.7% | 98-64-6 Celecoxib Impurity 35|C4X-104335|98-64-6 https://www.jk-sci.com/products/s57c4x-2853 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8420d4213913cde5f3201995a9553f81.jpg?v=1791367907 Luliconazole, Purity: 100.0% | 187164-19-8 Luliconazole|C4X-2853|187164-19-8 https://www.jk-sci.com/products/j5331263 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0561bcc5885124ea02df05cdfaf75e1.jpg?v=1791397177 N-Isopropylhydroxylamine hydrochloride, Assay ≥ 98% | 50632-53-6 N-Isopropylhydroxylamine hydrochloride|31263|50632-53-6 https://www.jk-sci.com/products/s57c4x-1065177 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c51d310e-1b17-4796-9758-1f5382b1a9d7.png?v=1791386170 Empagliflozin impurity 177, Purity: 97.0% Empagliflozin impurity 177|C4X-1065177 https://www.jk-sci.com/products/s57c4x-1079183 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67dace9cd78a9df1133faf50337cd0c2.jpg?v=1791385544 Tofacitinib Impurity 183, Purity: 99.8% | 115093-90-8 Tofacitinib Impurity 183|C4X-1079183|115093-90-8 https://www.jk-sci.com/products/s57c4x-112931 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_62ce02ab-08d2-4172-b3d2-f8c0d6f2dbba.png?v=1791383590 Arbidol Impurity 31, 97.80% Arbidol Impurity 31|C4X-112931 https://www.jk-sci.com/products/j5331268 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b88c1766d20dd41ed5d203167f64c1d.jpg?v=1791397171 3-Pyrrolidinone hydrochloride, Assay ≥ 97% | 3760-52-9 3-Pyrrolidinone hydrochloride|31268|3760-52-9 https://www.jk-sci.com/products/s57c4x-2863 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfbdb9eb5af0abe55b40de4a966d4298.jpg?v=1791367875 Cocarboxylase Tetrahydrate, 91.70% | 68684-55-9 Cocarboxylase Tetrahydrate|C4X-2863|68684-55-9 https://www.jk-sci.com/products/s57c4x-113038 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_39d58c5b-e319-415f-860a-6683dc7279b6.png?v=1791383521 Ilaprazole Dimer Impurity 38 Iodized Salt, 95.60% Ilaprazole Dimer Impurity 38 Iodized Salt|C4X-113038 https://www.jk-sci.com/products/s57c4x-2880146 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d61fe9bc-52a0-4013-8be3-c4853cc52cd4.png?v=1791367846 Finerenone Impurity 146, 90.30% Finerenone Impurity 146|C4X-2880146 https://www.jk-sci.com/products/s57c4x-130019 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41fd86274abb3bd6b7a0ec7880ba3304.jpg?v=1791380590 Tacrolimus EP Impurity G, 99.30% | 144490-63-1 Tacrolimus EP Impurity G|C4X-130019|144490-63-1 https://www.jk-sci.com/products/s57c4x-137110 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df12e2f4b6123836535990ba13c69f8.jpg?v=1791379498 Levofloxacin Impurity 10, 95.00% | 177472-30-9 Levofloxacin Impurity 10|C4X-137110|177472-30-9 https://www.jk-sci.com/products/s57c4x-151913 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb05ef08a2fe6d60fb81cf4572bfc89a.jpg?v=1791376942 Propranolol Impurity 13, 95.30% | 1236367-67-1 Propranolol Impurity 13|C4X-151913|1236367-67-1 https://www.jk-sci.com/products/j5331272 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c1dace8a4824ddbb894ad315bbfbfe0.jpg?v=1791397166 N,N-Bis(2-cyanoethyl)formamide, Purity ≥ 90% | 3445-84-9 N,N-Bis(2-cyanoethyl)formamide|31272|3445-84-9 https://www.jk-sci.com/products/j5330165 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85e0abc30c61c6ceca47e353af726132.jpg?v=1791398444 Succinic acid, Assay ≥ 99% | 110-15-6 Succinic acid|30165|110-15-6 https://www.jk-sci.com/products/j5329589 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c018dd2e809a7d843008ab0de8af53f.jpg?v=1791399311 Boc-a-methyl-L-4-bromophenylalanine, Purity by HPLC ≥ 99.5% | 1286768-44-2 Boc-a-methyl-L-4-bromophenylalanine|29589|1286768-44-2 https://www.jk-sci.com/products/j5330319 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2539bfa8c39b06fcf114e42d6893dc2e.jpg?v=1791398202 Fmoc-Ser(tBu)-Thr[Psi(Me,Me)Pro]-OH, Purity by HPLC ≥ 98% | 1266350-99-5 Fmoc-Ser(tBu)-Thr[Psi(Me,Me)Pro]-OH|30319|1266350-99-5 https://www.jk-sci.com/products/s57c1050640 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c99d37ee7178f868d1ac8be24be992b9_d0bd037f-bb20-42ce-9268-67680a035602.jpg?v=1791391486 Methyl 1-methyl-1H-indole-3-carboxylate, 99.70% | 108438-43-3 Methyl 1-methyl-1H-indole-3-carboxylate|C1050640|108438-43-3 https://www.jk-sci.com/products/s57c1349312 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06cf98b894edad6ce4af31b2a523a5a4.jpg?v=1791391038 Insulin Glargine | 160337-95-1 Insulin Glargine|C1349312|160337-95-1 https://www.jk-sci.com/products/s57c4x-288035 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ceb3b946ccb3b6839fa5e9720c12e727.jpg?v=1791367832 Finerenone Impurity 35, 97.70% | 1545905-35-8 Finerenone Impurity 35|C4X-288035|1545905-35-8 https://www.jk-sci.com/products/s57c1384630 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03e3cda526278904e9a1623c612277d8.jpg?v=1791390963 Mesalazine EP Impurity J HCl, 92.70% | 177960-41-7 Mesalazine EP Impurity J HCl|C1384630|177960-41-7 https://www.jk-sci.com/products/s57c4x-288091 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f729febf-197e-4d21-91e6-9f1d4290177c.png?v=1791367801 Finerenone Impurity 91, 94.60% Finerenone Impurity 91|C4X-288091 https://www.jk-sci.com/products/j5330410 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f0178c2b4f40cd06a379eae0c9791c.jpg?v=1791398024 Trimethyl orthobutyrate, Purity by GC ≥ 98% | 43083-12-1 Trimethyl orthobutyrate|30410|43083-12-1 https://www.jk-sci.com/products/s57c1489634 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09860e16db49ce547d7a3f078dac2461.jpg?v=1791390838 (E)-N-Hydroxybenzimidoyl chloride, 76.60% | 81745-44-0 (E)-N-Hydroxybenzimidoyl chloride|C1489634|81745-44-0 https://www.jk-sci.com/products/s57c1503136 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64e607dd80f96ca0809767e4ff70a44c.jpg?v=1791390789 (Z)-Phytol, Purity: 100.0% | 5492-30-8 (Z)-Phytol|C1503136|5492-30-8 https://www.jk-sci.com/products/j5330480 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29fe8a259a6d0c3e4b56c931c29f1960.jpg?v=1791397913 Na-Z-D-2,3-diaminopropionic acid methyl ester hydrochloride, Assay by titration 99 - 101% || Purity by HPLC ≥ 98% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb7b684c2637e2048b8425816f3e5e3e.jpg?v=1791367773 ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate, 94.70% | 125827-48-7 ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate|C4X-28903|125827-48-7 https://www.jk-sci.com/products/j5330525 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41c83277208c77c63511d4811fec2bf2.jpg?v=1791397836 Fmoc-8-amino-3,6-dioxaoctanoyl-8-amino-3,6-dioxaoctanoic acid, Assay by titration ≥ 90% || Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/638079e134ee2b90d1f93bcfd615d32f.jpg?v=1791390631 2,3-Dimethyl-2H-indazole, 99.70% | 50407-18-6 2,3-Dimethyl-2H-indazole|C1597170|50407-18-6 https://www.jk-sci.com/products/j5330566 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58a83b54ddc13f185c03482ae5a0afbd.jpg?v=1791397776 Bismuth (III) oxy iodide, Assay ≥ 99% (as Bismuth) | 7787-63-5 Bismuth (III) oxy iodide|30566|7787-63-5 https://www.jk-sci.com/products/j5330613 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ccb0fa73cc21d799231a59bef4a627.jpg?v=1791397707 Manganese (III) phosphate hydrate, Assay 98 - 101% (by Manganese EA) | 104663-56-1 Manganese (III) phosphate hydrate|30613|104663-56-1 https://www.jk-sci.com/products/s57c1661585 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd5a9b6a4472f3e30bc1d2d7ea94dc02_0cfbc21e-7a69-4406-8eda-ecd60d0abc28.jpg?v=1791390483 3,5-Dibromo-1H-pyrazole, 99.10% | 67460-86-0 3,5-Dibromo-1H-pyrazole|C1661585|67460-86-0 https://www.jk-sci.com/products/s57c1717406 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd9abd779cf62c285ab60cd476cbeb40.jpg?v=1791390378 4-Chloropentanoyl Chloride, 99.60% | 63480-12-6 4-Chloropentanoyl Chloride|C1717406|63480-12-6 https://www.jk-sci.com/products/s57c1788270 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38f299005c98f7075f9cbbc6a0996cc7.jpg?v=1791390266 Acetyl tetrapeptide-9(Dermican LS 9837), Purity: 100.0% | 928006-50-2 Acetyl tetrapeptide-9(Dermican LS 9837)|C1788270|928006-50-2 https://www.jk-sci.com/products/s57c1798559 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9823547ba81da05fcf1e16f480e65c4.jpg?v=1791390158 cis-8,11,14-Eicosatrienoic Acid-d6, Purity>95% | 81540-86-5 cis-8,11,14-Eicosatrienoic Acid-d6|C1798559|81540-86-5 https://www.jk-sci.com/products/s57c1806671 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bed90df1877e824bdca0d6f1c36b2d85.jpg?v=1791390084 Ethaverine Hydrochloride, 90.10% | 985-13-7 Ethaverine Hydrochloride|C1806671|985-13-7 https://www.jk-sci.com/products/j5330711 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b62983d8ac64cf628b826c604cd4317.jpg?v=1791397573 5-Bromothiophene-3-carboxylic acid, Purity by HPLC ≥ 97% | 100523-84-0 5-Bromothiophene-3-carboxylic acid|30711|100523-84-0 https://www.jk-sci.com/products/j5330685 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d0755163ff3c021ad754d8fa96618a6.jpg?v=1791397612 Nickel (II) nitrate hexahydrate, Assay by titration 19 - 21% (as Nickel, complexometry) || Purity ≥ 99% | 13478-00-7 Nickel (II) nitrate hexahydrate|30685|13478-00-7 https://www.jk-sci.com/products/j5330658 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/429cc115f36d0f150075a2f6f526f40e.jpg?v=1791397648 Bismuth (III) iodide, Assay by titration 34-36% (as Bismuth, complexometric) || Purity ≥ 99% | 7787-64-6 Bismuth (III) iodide|30658|7787-64-6 https://www.jk-sci.com/products/j5330745 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bae9fcce863e730da73fd3ea997722f1.jpg?v=1791397515 Linoleic acid ethyl ester, Purity by GC ≥ 99% | 544-35-4 Linoleic acid ethyl ester|30745|544-35-4 https://www.jk-sci.com/products/s57c1822846 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348032.png?v=1791390062 (2S,3aS,7aS)-Ethyl octahydro-1H-indole-2-carboxylate hydrochloride, Purity: 99.1% | 82864-25-3 (2S,3aS,7aS)-Ethyl octahydro-1H-indole-2-carboxylate hydrochloride|C1822846|82864-25-3 https://www.jk-sci.com/products/s57c1829992 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439476.png?v=1791389968 L-Prolyl-L-proline hydrochloride | 76932-06-4 L-Prolyl-L-proline hydrochloride|C1829992|76932-06-4 https://www.jk-sci.com/products/s57c1894154 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214114_4ba02f52-72d7-4c42-a4a1-63814b238772.png?v=1791389765 Rupatadine Impurity 4, 94.30% | 3099-31-8 Rupatadine Impurity 4|C1894154|3099-31-8 https://www.jk-sci.com/products/j5330769 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71b1f21e8a94f5dae4995b69f2117f90.jpg?v=1791397485 2-Iodopyridine, Purity by GC ≥ 98% | 5029-67-4 2-Iodopyridine|30769|5029-67-4 https://www.jk-sci.com/products/s57c1916857 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313985_c2904410-3fdb-4883-8a3d-9407191e2f14.png?v=1791389624 4-chloro-acetoaceticacimethylester, 90.80% | 32807-28-6 4-chloro-acetoaceticacimethylester|C1916857|32807-28-6 https://www.jk-sci.com/products/s57c1925302 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/366741_228fe77b-11cd-4415-bab8-c62fce3e8353.png?v=1791389474 4-Methylmorpholine 4-oxide, 95.40% | 7529-22-8 4-Methylmorpholine 4-oxide|C1925302|7529-22-8 https://www.jk-sci.com/products/j5330792 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01befa6bdd631a85f6668f28c844c776.jpg?v=1791397444 3-Deoxy-D-glycero-D-galacto-2-nonulosonic acid, Assay ≥ 98% | 112543-66-5 3-Deoxy-D-glycero-D-galacto-2-nonulosonic acid|30792|112543-66-5 https://www.jk-sci.com/products/j5330788 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a788204fec66893d897bdb9b00f422bd.jpg?v=1791397449 D-Mannosamine hydrochloride, Purity by HPLC ≥ 99% | 5505-63-5 D-Mannosamine hydrochloride|30788|5505-63-5 https://www.jk-sci.com/products/j5330804 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25244aa1a843fd6d05ff0e030c0b82ba.jpg?v=1791397428 Ribavirin, Assay ≥ 99% | 36791-04-5 Ribavirin|30804|36791-04-5 https://www.jk-sci.com/products/s57c3d-2951 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407715_456fb09c-30a9-422c-8375-3c6aeddc7d14.png?v=1791388911 Tris(Hydroxymethyl)Aminomethane, 99.30% | 77-86-1 Tris(Hydroxymethyl)Aminomethane|C3D-2951|77-86-1 https://www.jk-sci.com/products/j5330998 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec33e6e44cf2bed7ccf6fd3ca2ea4e4a.jpg?v=1791397376 4-Bromo-4'-iodobiphenyl, Purity by HPLC ≥ 99% | 105946-82-5 4-Bromo-4'-iodobiphenyl|30998|105946-82-5 https://www.jk-sci.com/products/s57c3d-5024 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0121ef13691fd09383d9ce7d8ba36d0e.jpg?v=1791388426 1,3-Dibromo-5-methoxybenzene, 99.60% | 74137-36-3 1,3-Dibromo-5-methoxybenzene|C3D-5024|74137-36-3 https://www.jk-sci.com/products/j5331113 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9382dc23a9b80e588781b2297b1ce33f.jpg?v=1791397331 Fmoc-S-4-methyltrityl-D-cysteine, Purity by HPLC ≥ 99% | 252206-29-4 Fmoc-S-4-methyltrityl-D-cysteine|31113|252206-29-4 https://www.jk-sci.com/products/j5331191 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e5fde5318f74a734c0e48320bf519b7.jpg?v=1791397307 1-Octen-3-ol, Purity by GC ≥ 99% | 3391-86-4 1-Octen-3-ol|31191|3391-86-4 https://www.jk-sci.com/products/s57c4x-28982 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9d1439ed7f13f118b2b20ee981b50a.jpg?v=1791367741 Buprenorphine Impurity 2, 98.80% | 2136287-63-1 Buprenorphine Impurity 2|C4X-28982|2136287-63-1 https://www.jk-sci.com/products/s57c3d-5139 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323709_fa1fd353-66ef-4d5b-a6bb-e96fef6feb63.png?v=1791388404 2-([1,1'-biphenyl]-4-yl)acetonitrile, 96.70% | 31603-77-7 2-([1,1'-biphenyl]-4-yl)acetonitrile|C3D-5139|31603-77-7 https://www.jk-sci.com/products/s57c3d-5762 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501527.png?v=1791388208 4-Bromophenylacetic Acid, 98.20% | 1878-68-8 4-Bromophenylacetic Acid|C3D-5762|1878-68-8 https://www.jk-sci.com/products/j5331203 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c87a83bd8c469865cdea4fad0f54928b.jpg?v=1791397295 2-Fluoro-1,3-dimethylimidazolidinium hexafluorophosphate, Purity by HPLC ≥ 99% | 164298-27-5 2-Fluoro-1,3-dimethylimidazolidinium hexafluorophosphate|31203|164298-27-5 https://www.jk-sci.com/products/s57c4x-29032 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6187c73-7749-4423-926e-db496103fd42.png?v=1791367699 Pemafibrate Impurity 2, 90.70% Pemafibrate Impurity 2|C4X-29032 https://www.jk-sci.com/products/j5331208 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a48811c42f02ea43de7cc7e15179792.jpg?v=1791397286 O-(endo-5-Norbornene-2,3-dicarboximido)- N,N,N’,N’-tetramethyluronium hexafluorophosphate, Purity by HPLC ≥ 99% | 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 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13e493e17f6722cc6636a8e3c9ee04de.jpg?v=1791387446 Vonoprazan Impurity 207, 97.30% | 2304978-33-2 Vonoprazan Impurity 207|C4X-1020208|2304978-33-2 https://www.jk-sci.com/products/s57c4x-102065 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7982e6418b134022873af311330e972f.jpg?v=1791387380 Vonoprazan Impurity 65, 97.70% | 1610043-62-3 Vonoprazan Impurity 65|C4X-102065|1610043-62-3 https://www.jk-sci.com/products/j5331214 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0be0ef1ef63ea2f3aa15095bbe12a9c.jpg?v=1791397275 Isobutyl 1,2-dihydro-2-isobutoxy-1-quinolinecarboxylate, Purity by HPLC ≥ 98% | 38428-14-7 Isobutyl 1,2-dihydro-2-isobutoxy-1-quinolinecarboxylate|31214|38428-14-7 https://www.jk-sci.com/products/s57c4x-291514 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b781f038-7bcc-46a9-a8e2-ccd2bc0a1638.png?v=1791367666 Letermovir Impurity 14, 93.40% Letermovir Impurity 14|C4X-291514 https://www.jk-sci.com/products/s57c4x-102071 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e075952fd3e5ec6937e4f81acea6c4d.jpg?v=1791387374 Vonoprazan Fumarate Impurity 71, 97.80% | 1060802-18-7 Vonoprazan Fumarate Impurity 71|C4X-102071|1060802-18-7 https://www.jk-sci.com/products/j5331240 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207a4bf20347ef8f172fad83efc263d8.jpg?v=1791397229 Diphenylmethylene-glycine benzyl ester, Purity by HPLC ≥ 99% | 81477-91-0 Diphenylmethylene-glycine benzyl ester|31240|81477-91-0 https://www.jk-sci.com/products/j5331228 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac9a5a08a2411c8281e1a9b7df1fa621.jpg?v=1791397249 Pentafluorophenyl diphenylphosphinate, Purity by HPLC ≥ 99% | 138687-69-1 Pentafluorophenyl diphenylphosphinate|31228|138687-69-1 https://www.jk-sci.com/products/s57c4x-1028 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a11c9128abe2c04380d9ab559b4dc5b.jpg?v=1791387243 Lurasidone HCl, 99.10% | 367514-88-3 Lurasidone HCl|C4X-1028|367514-88-3 https://www.jk-sci.com/products/j5331265 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af6b4cd8e554d302d9d17b5865872e7f.jpg?v=1791397176 Triethylmethylammonium tetrafluoroborate, Purity Purity by H-NMR:≥ 97% Purity by F-NMR: ≥ 98% Purity by B-NMR: ≥ 98% | 69444-47-9 Triethylmethylammonium tetrafluoroborate|31265|69444-47-9 https://www.jk-sci.com/products/j5331252 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21a294a35323f40578abb680963243eb.jpg?v=1791397197 Triphenylmethylamine, Purity by HPLC ≥ 99% | 5824-40-8 Triphenylmethylamine|31252|5824-40-8 https://www.jk-sci.com/products/s57c4x-103232 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48f7372330f953c66151348274bf51d7.jpg?v=1791387064 Mirabegron Impurity 32, Purity: 97.7% | 1310279-36-7 Mirabegron Impurity 32|C4X-103232|1310279-36-7 https://www.jk-sci.com/products/s57c4x-29204 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_836e8625-552f-48d5-80d3-80dc1d03454d.png?v=1791367634 Probucol Impurity 4, 93.50% Probucol Impurity 4|C4X-29204 https://www.jk-sci.com/products/j5331259 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e36425bc6e378748511981af0f645d7.jpg?v=1791397186 2,6-Dichloro-4-(trifluoromethyl)aniline, Purity by GC ≥ 99.5% | 24279-39-8 2,6-Dichloro-4-(trifluoromethyl)aniline|31259|24279-39-8 https://www.jk-sci.com/products/j5331305 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eeb12fea2793dca374439b072a46a8c.jpg?v=1791397126 Ethyl acetohydroxamate, Purity by GC ≥ 97% | 10576-12-2 Ethyl acetohydroxamate|31305|10576-12-2 https://www.jk-sci.com/products/j5331322 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/baec34e90c4f1edbdee4bca055e95d21.jpg?v=1791397101 Pentafluorophenyl acetate, Purity by GC ≥ 99% | 19220-93-0 Pentafluorophenyl acetate|31322|19220-93-0 https://www.jk-sci.com/products/j5331280 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244ae44e2ef7b1aba129902c5697b873.jpg?v=1791397155 Cyclopropaneamidine hydrochloride, Assay by titration ≥ 98% | 57297-29-7 Cyclopropaneamidine hydrochloride|31280|57297-29-7 https://www.jk-sci.com/products/s57c4x-105465 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd70480c7e7a5abe5cc871cb0f46d4c0.jpg?v=1791386649 Tedizolid Impurity 65, Purity: 98.5% | 380380-60-9 Tedizolid Impurity 65|C4X-105465|380380-60-9 https://www.jk-sci.com/products/s57c4x-29244 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29248c76ddca08a819ed5557cc48cb47.jpg?v=1791367618 Mirogabalin Impurity 4, 96.60% | 344428-05-3 Mirogabalin Impurity 4|C4X-29244|344428-05-3 https://www.jk-sci.com/products/s57c4x-105491 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe28aaa05381f477bf569505d96bf52f.jpg?v=1791386634 Tedizolid Impurity 91, Purity: 100.0% | 1259078-16-4 Tedizolid Impurity 91|C4X-105491|1259078-16-4 https://www.jk-sci.com/products/j5331342 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1770eaad3c3d58d333af07d12cc370f1.jpg?v=1791397065 N-Boc-guanidine, Purity ≥ 98% | 219511-71-4 N-Boc-guanidine|31342|219511-71-4 https://www.jk-sci.com/products/j5331330 2026-10-08T05:09:24-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a54ae32b77f6f8e0812ba59344d3b52.jpg?v=1791397090 O-tert-Butylhydroxylamine hydrochloride, Assay by titration ≥ 99% | 39684-28-1 O-tert-Butylhydroxylamine hydrochloride|31330|39684-28-1