https://www.jk-sci.com/products/s57c4x-170815 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e549ba3fe3a4715403815c82b7e1a1c3_acb47e11-a1f2-4252-91ed-a75a3dcb7b5b.jpg?v=1791714664 Naproxen EP Impurity O, 99.20% | 2471-70-7 Naproxen EP Impurity O|C4X-170815|2471-70-7 https://www.jk-sci.com/products/s57c4x-170821 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/292695.png?v=1791714662 Naproxen EP Impurity I, 99.70% | 23981-47-7 Naproxen EP Impurity I|C4X-170821|23981-47-7 https://www.jk-sci.com/products/ts246cs-0047875 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504860.png?v=1791681605 tert-Butyl trans-2,5-dimethylpiperazine-1-carboxylate hydrochloride, 97% | 792969-69-8 tert-Butyl trans-2,5-dimethylpiperazine-1-carboxylate hydrochloride|CS-0047875|792969-69-8 https://www.jk-sci.com/products/s57c4x-170823 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7de20cb778876d968f4e7a27ca74aca.jpg?v=1791714659 Naproxen EP Impurity C, 99.80% | 84236-26-0 Naproxen EP Impurity C|C4X-170823|84236-26-0 https://www.jk-sci.com/products/s57c4x-15499 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cda5b3ec060ea6631be6c6a886aedec.jpg?v=1791715982 Atenolol EP Impurity I, 91.50% | 1797116-92-7 Atenolol EP Impurity I|C4X-15499|1797116-92-7 https://www.jk-sci.com/products/s57c4x-156314 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c44e0fc1fbc781291b2d17487cd555be.jpg?v=1791715906 Biotin EP Impurity D(Mixture of Diastereomers), Purity: 95.5% | 415725-35-8 Biotin EP Impurity D(Mixture of Diastereomers)|C4X-156314|415725-35-8 https://www.jk-sci.com/products/s57c4x-15392 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcf4a290de97166c7e022d982a25eb99.jpg?v=1791716051 Alverine EP Impurity C HCl, 100.00% | 13125-63-8 Alverine EP Impurity C HCl|C4X-15392|13125-63-8 https://www.jk-sci.com/products/ts246cs-0047901 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117e9ff65881c7e2953ac4091d61b676.jpg?v=1791681601 tert-Butyl N-{4-aminobicyclo[2.2.1]heptan-1-yl}carbamate, 98% | 1630907-27-5 tert-Butyl N-{4-aminobicyclo[2.2.1]heptan-1-yl}carbamate|CS-0047901|1630907-27-5 https://www.jk-sci.com/products/s57c4x-156928 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138573_22fdb18c-4d02-4390-81fc-ebde55dd534f.png?v=1791715845 Clotrimazole Impurity 28, 99.60% | 5162-03-8 Clotrimazole Impurity 28|C4X-156928|5162-03-8 https://www.jk-sci.com/products/s57c4x-15792 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e2c3db71da7ee4a40cdead85cbcab0.jpg?v=1791715782 Cefpodoxime Proxetil EP Impurity B, 91.30% | 947692-14-0 Cefpodoxime Proxetil EP Impurity B|C4X-15792|947692-14-0 https://www.jk-sci.com/products/ts246cs-0046181 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301174.png?v=1791682288 6-Methylbenzo[d]thiazol-2-amine, 98% | 2536-91-6 6-Methylbenzo[d]thiazol-2-amine|CS-0046181|2536-91-6 https://www.jk-sci.com/products/ts246cs-0045841 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/669ee7dc69032e6c293120f502086969.jpg?v=1791682439 Methyl 2-oxo-1,2-dihydropyrimidine-5-carboxylate, 98% | 50628-34-7 Methyl 2-oxo-1,2-dihydropyrimidine-5-carboxylate|CS-0045841|50628-34-7 https://www.jk-sci.com/products/s57c4x-159217 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e130ab22c63911317ad5a9e7dd18e486.jpg?v=1791715655 Clobetasol Propionate EP Impurity D, 99.40% | 25120-99-4 Clobetasol Propionate EP Impurity D|C4X-159217|25120-99-4 https://www.jk-sci.com/products/s57c4x-159016 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1361062d31821badd77338ef04166068.jpg?v=1791715721 Safinamide Impurity 16, Purity: 99.8% | 1000370-24-0 Safinamide Impurity 16|C4X-159016|1000370-24-0 https://www.jk-sci.com/products/ts246cs-0046377 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5626abbf81b80c1a7098f4201f27187d.jpg?v=1791682176 2-Bromo-4-chloro-3-fluorobenzoic acid, 95% | 170108-06-2 2-Bromo-4-chloro-3-fluorobenzoic acid|CS-0046377|170108-06-2 https://www.jk-sci.com/products/s57c4x-161316 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_15bdf5e4-3863-48f3-a3d3-a0a988754660.png?v=1791715574 Dexpanthenol EP Impurity D, 97.40% Dexpanthenol EP Impurity D|C4X-161316 https://www.jk-sci.com/products/ts246cs-0046764 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6bfc8e2883df60f818223f30e27611d.jpg?v=1791682124 N-p-Tosylglycine, 96% | 1080-44-0 N-p-Tosylglycine|CS-0046764|1080-44-0 https://www.jk-sci.com/products/s57c4x-16235 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345937_d1a2a88e-4c2c-4012-bf4f-0bd727f9023e.png?v=1791715513 Doxazosin EP Impurity E, 95.50% | 27631-29-4 Doxazosin EP Impurity E|C4X-16235|27631-29-4 https://www.jk-sci.com/products/s57c4x-16273 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78de411ef14c90c09113f28cee5e4c7e.jpg?v=1791715474 Efavirenz Impurity 3, 98.90% | 205755-86-8 Efavirenz Impurity 3|C4X-16273|205755-86-8 https://www.jk-sci.com/products/s57c4x-161954 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3da75bc08137119bc795a4b2043a6436.jpg?v=1791715545 Docetaxel Impurity 54, 94.20% | 173101-47-8 Docetaxel Impurity 54|C4X-161954|173101-47-8 https://www.jk-sci.com/products/ts246cs-0046857 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520140_f9fad4be-44cc-482a-a1a0-671b722b2d4f.png?v=1791682062 4'-(tert-Butyl)-[1,1'-biphenyl]-4-carboxylic acid, 98% | 5748-42-5 4'-(tert-Butyl)-[1,1'-biphenyl]-4-carboxylic acid|CS-0046857|5748-42-5 https://www.jk-sci.com/products/ts246cs-0047377 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2adbd1a2e46f7cc66f19e8740698eeae.jpg?v=1791681824 6-Bromo-5-chloroquinazolin-4(3H)-one, 97% | 1131605-26-9 6-Bromo-5-chloroquinazolin-4(3H)-one|CS-0047377|1131605-26-9 https://www.jk-sci.com/products/s57c4x-16517 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138653_f12e94d2-57bb-483c-a2e8-39651225f73e.png?v=1791715257 Fluvastatin EP Impurity G, 97.80% | 101125-34-2 Fluvastatin EP Impurity G|C4X-16517|101125-34-2 https://www.jk-sci.com/products/s57c4x-16549 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436346_88d9c28a-645a-40eb-ae68-15d121e16214.png?v=1791715240 Gabapentin Impurity 9, Purity: 99.3% | 4355-11-7 Gabapentin Impurity 9|C4X-16549|4355-11-7 https://www.jk-sci.com/products/s57c4x-16421 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/290885_43ac0e91-fb00-468e-9f64-b88d573e98d9.png?v=1791715346 Famciclovir Impurity 1, 99.30% | 104227-86-3 Famciclovir Impurity 1|C4X-16421|104227-86-3 https://www.jk-sci.com/products/s57c4x-164927 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96f72bfea1094f1afee99fc71c53f883.jpg?v=1791715320 Fluorouracil Impurity 27, Purity: 98.0% | 2566704-13-8 Fluorouracil Impurity 27|C4X-164927|2566704-13-8 https://www.jk-sci.com/products/s57c4x-165033 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f78878d5f99ab9f7b22f1774b18fcca.jpg?v=1791715289 Fluticasone Furoate, 99.50% | 397864-44-7 Fluticasone Furoate|C4X-165033|397864-44-7 https://www.jk-sci.com/products/ts246cs-0047012 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f27a6522ed793d8039ccc3821f2df6d7.jpg?v=1793049654 2-(2-Methoxyphenyl)oxirane, 95% | 62717-78-6 2-(2-Methoxyphenyl)oxirane|CS-0047012|62717-78-6 https://www.jk-sci.com/products/ts246cs-0047093 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232085_ba2828eb-e427-4334-bd32-c2707fd66f07.png?v=1791681925 tert-Butyl 3-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate, 95% | 183742-33-8 tert-Butyl 3-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate|CS-0047093|183742-33-8 https://www.jk-sci.com/products/s57c4x-16309 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608892_28138d00-c277-4688-8ba9-80ee1359188c.png?v=1791715410 Eplerenone, 99.80% | 107724-20-9 Eplerenone|C4X-16309|107724-20-9 https://www.jk-sci.com/products/s57c4x-1663 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576602_cae5fe21-365b-4236-9202-dbc7f442ddab.png?v=1791715221 Iodixanol, 87.80% | 92339-11-2 Iodixanol|C4X-1663|92339-11-2 https://www.jk-sci.com/products/ts246cs-0047221 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13c6ef308191f6bac083dc44ba25a043.jpg?v=1791681876 9-Benzyl-3-oxo-9-azabicyclo[3.3.1]nonane, 98% | 2291-58-9 9-Benzyl-3-oxo-9-azabicyclo[3.3.1]nonane|CS-0047221|2291-58-9 https://www.jk-sci.com/products/s57c4x-166522 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd9dd60285c810aaa07fc5cca4eb10a0.jpg?v=1791715204 Ipratropium Impurity 22, 94.50% | 3979-14-4 Ipratropium Impurity 22|C4X-166522|3979-14-4 https://www.jk-sci.com/products/s57c4x-162925 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/336099_65c82a57-6514-4e35-975a-f87d4491ce1d.png?v=1791715440 Entacapone Impurity 25, Purity: 99.9% | 6635-20-7 Entacapone Impurity 25|C4X-162925|6635-20-7 https://www.jk-sci.com/products/s57c4x-16656 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32b768b75d379fb0679e754f0dfc98ff.jpg?v=1791715192 Ipratropium Bromide EP Impurity F, 90.80% | 60018-35-1 Ipratropium Bromide EP Impurity F|C4X-16656|60018-35-1 https://www.jk-sci.com/products/ts246cs-0046971 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0e273e87832a8aac5ab632df674e76d.jpg?v=1791682004 4-(1-Methyl-1H-pyrazol-4-yl)aniline, 97% | 1079178-22-5 4-(1-Methyl-1H-pyrazol-4-yl)aniline|CS-0046971|1079178-22-5 https://www.jk-sci.com/products/ts246cs-0047467 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a144d2d048a9da24e4b8e06db5cb9e01.jpg?v=1791681798 (S)-4-Bromo-2,3-dihydro-1H-inden-1-ol, 97% | 83808-19-9 (S)-4-Bromo-2,3-dihydro-1H-inden-1-ol|CS-0047467|83808-19-9 https://www.jk-sci.com/products/s57c4x-16665 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb93bfe62b1781e58188fcf59e59bc8f.jpg?v=1791715180 Irbesartan Impurity 5, 95.10% | 152708-24-2 Irbesartan Impurity 5|C4X-16665|152708-24-2 https://www.jk-sci.com/products/ts246cs-0047303 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d91d767fa27fcfcc4ca1c83aa9a181c.jpg?v=1791681854 8-(Aminomethyl)-1,4-dioxaspiro[4.5]decan-8-ol hydrochloride, 97% | 1240527-50-7 8-(Aminomethyl)-1,4-dioxaspiro[4.5]decan-8-ol hydrochloride|CS-0047303|1240527-50-7 https://www.jk-sci.com/products/s57c4x-16508 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c32f7567cde953530be38057b6c5751f.jpg?v=1791715272 Fluticasone Propionate EP Impurity B, 92.10% | 948566-12-9 Fluticasone Propionate EP Impurity B|C4X-16508|948566-12-9 https://www.jk-sci.com/products/s57c4x-163611 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cb3195026d50ad9fe7d6ac59b1b5fe2.jpg?v=1791715381 Estradiol Impurity 11, 98.70% | 3583-03-7 Estradiol Impurity 11|C4X-163611|3583-03-7 https://www.jk-sci.com/products/ts246cs-0047535 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488387.png?v=1791681780 (2,5-Dibromopyridin-3-yl)boronic acid, 97.00%+ | 852228-14-9 (2,5-Dibromopyridin-3-yl)boronic acid|CS-0047535|852228-14-9 https://www.jk-sci.com/products/s57c4x-166910 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b197a0c596c891ef39b76142dc2d2f20.jpg?v=1791715158 Ketorolac EP Impurity J, 97.50% | 108061-03-6 Ketorolac EP Impurity J|C4X-166910|108061-03-6 https://www.jk-sci.com/products/ts246cs-0047583 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b6257080d4439bf28160edc1982a3dc.jpg?v=1791681750 3-Carboxy-6-hydroxycoumarin, 95% | 56437-16-2 3-Carboxy-6-hydroxycoumarin|CS-0047583|56437-16-2 https://www.jk-sci.com/products/s57c4x-166935 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be34f548ff5a15831d3955309aea9aa.jpg?v=1791715142 Ketorolac EP Impurity D, 93.10% | 1391053-45-4 Ketorolac EP Impurity D|C4X-166935|1391053-45-4 https://www.jk-sci.com/products/ts246cs-0047613 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fafc8bee532cb4ad7b4537a2059011c4.jpg?v=1791681729 Ethyl 3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylate, 95% | 1985607-65-5 Ethyl 3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylate|CS-0047613|1985607-65-5 https://www.jk-sci.com/products/s57c4x-16712 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc08ebce58aa10c897afd5d3c194fb5e.jpg?v=1791715125 Lacidipine BP Impurity A, 99.20% | 103890-81-9 Lacidipine BP Impurity A|C4X-16712|103890-81-9 https://www.jk-sci.com/products/s57c4x-16738 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f361679ffe677f945c27bda58e2ea5f2.jpg?v=1791715093 Leflunomide EP Impurity H, 99.60% | 24522-30-3 Leflunomide EP Impurity H|C4X-16738|24522-30-3 https://www.jk-sci.com/products/s57c4x-16766 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8793aff5e287e38caad595d05086c7c1.jpg?v=1791715080 Levodopa Impurity 6, 96.20% | 85933-19-3 Levodopa Impurity 6|C4X-16766|85933-19-3 https://www.jk-sci.com/products/s57c4x-16725 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c996b505f0d04dc206da33beba07e9a5.jpg?v=1791715109 Lamotrigine EP Impurity D, 90.20% | 661463-79-2 Lamotrigine EP Impurity D|C4X-16725|661463-79-2 https://www.jk-sci.com/products/ts246cs-0047709 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fedb6508dea5f04ca496a59df28e04e.jpg?v=1791681689 2,5,8,11-Tetraoxatetradec-13-ene,97%(stabilized with MEHQ), 97%(stabilized with MEHQ) | 19685-21-3 2,5,8,11-Tetraoxatetradec-13-ene,97%(stabilized with MEHQ)|CS-0047709|19685-21-3 https://www.jk-sci.com/products/s57c4x-167715 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f14a95770f85a419d750f637abebabe1.jpg?v=1791715062 Levonorgestrel EP Impurity O, 98.90% | 155683-60-6 Levonorgestrel EP Impurity O|C4X-167715|155683-60-6 https://www.jk-sci.com/products/ts246cs-0047974 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6f2fab24b1d636cf508c52fcee3856c.jpg?v=1791681574 tert-Butyl N-[1-(4-bromophenyl)-3-oxocyclobutyl]carbamate, 95% | 1199556-68-7 tert-Butyl N-[1-(4-bromophenyl)-3-oxocyclobutyl]carbamate|CS-0047974|1199556-68-7 https://www.jk-sci.com/products/ts246cs-0047996 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d3cb69f63a8387cffb761a8e0a1bb26.jpg?v=1791681561 tert-Butyl N-[(3S,4R)-4-hydroxypiperidin-3-yl]carbamate, 97% | 1549812-73-8 tert-Butyl N-[(3S,4R)-4-hydroxypiperidin-3-yl]carbamate|CS-0047996|1549812-73-8 https://www.jk-sci.com/products/s57c4x-167939 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db4f68c102c77cc2a52a3748d811267a.jpg?v=1791714982 Lidocaine Impurity 39, 99.20% | 77966-82-6 Lidocaine Impurity 39|C4X-167939|77966-82-6 https://www.jk-sci.com/products/s57c4x-167726 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fabca3e1b15d452b87cbda53b28578a.jpg?v=1791715045 Levonorgestrel EP Impurity Q, 98.40% | 14507-49-4 Levonorgestrel EP Impurity Q|C4X-167726|14507-49-4 https://www.jk-sci.com/products/ts246cs-0047813 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b1388347398995ce8998ac03e47c2e9.jpg?v=1791681625 trans-3-(Boc-aminomethyl)cyclobutylamine, 97% | 1363380-57-7 trans-3-(Boc-aminomethyl)cyclobutylamine|CS-0047813|1363380-57-7 https://www.jk-sci.com/products/s57c4x-167830 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b28bbb5a48f87dbbe308a41f03b7836.jpg?v=1791715017 Levothyroxine Impurity 30, 88.30% | 107849-54-7 Levothyroxine Impurity 30|C4X-167830|107849-54-7 https://www.jk-sci.com/products/ts246cs-0048053 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d10a0d88b957ada6238e4912a62a9c.jpg?v=1791681535 tert-Butyl N-(azepan-4-yl)carbamate, 97% | 454451-28-6 tert-Butyl N-(azepan-4-yl)carbamate|CS-0048053|454451-28-6 https://www.jk-sci.com/products/ts246cs-0048096 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bc9485f7ec5a47550813758c8c080ba.jpg?v=1791681514 tert-Butyl exo-6-formyl-3-azabicyclo[3.1.0]hexane-3-carboxylate, 98% | 419572-19-3 tert-Butyl exo-6-formyl-3-azabicyclo[3.1.0]hexane-3-carboxylate|CS-0048096|419572-19-3 https://www.jk-sci.com/products/s57c4x-168312 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142443ae4c8a0c830cb5caba5da03b10.jpg?v=1791714942 Losartan EP Impurity L, 91.80% | 230971-71-8 Losartan EP Impurity L|C4X-168312|230971-71-8 https://www.jk-sci.com/products/s57c4x-16818 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f388cf3e598e2c02026c4c41d1cbf4b6.jpg?v=1791714948 Lisinopril EP Impurity H, 99.90% | 138247-43-5 Lisinopril EP Impurity H|C4X-16818|138247-43-5 https://www.jk-sci.com/products/s57c4x-168321 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fba2128db6d9c3873a3211afb3ba706e.jpg?v=1791714920 Losartan Impurity 21, Purity: 100.0% | 727718-93-6 Losartan Impurity 21|C4X-168321|727718-93-6 https://www.jk-sci.com/products/s57c4x-16833 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/758d70040843e686219b3a956596b32d.jpg?v=1791714914 Losartan EP Impurity C, 87.50% | 114799-13-2 Losartan EP Impurity C|C4X-16833|114799-13-2 https://www.jk-sci.com/products/s57c4x-16838 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361291_441d2998-0c04-49a0-bbfb-e735715d4c4c.png?v=1791714903 Losartan EP Impurity H, 98.60% | 133909-99-6 Losartan EP Impurity H|C4X-16838|133909-99-6 https://www.jk-sci.com/products/s57c4x-16843 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e6de993211a1d316b51a9671d9666c2.jpg?v=1791714893 Lovastatin EP Impurity C, Purity: 99.4% | 109273-98-5 Lovastatin EP Impurity C|C4X-16843|109273-98-5 https://www.jk-sci.com/products/ts246cs-0048151 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70c6d34c7b2fb0fd4fdbcfb500aab0cf.jpg?v=1791681482 tert-Butyl 6-oxo-2-azaspiro[3.4]octane-2-carboxylate, 97% | 1363382-39-1 tert-Butyl 6-oxo-2-azaspiro[3.4]octane-2-carboxylate|CS-0048151|1363382-39-1 https://www.jk-sci.com/products/ts246cs-0048224 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53c6fbb64beed78518abb49c9df9d753.jpg?v=1791681435 tert-Butyl 4-aminopyridine-2-carboxylate, 97% | 868171-68-0 tert-Butyl 4-aminopyridine-2-carboxylate|CS-0048224|868171-68-0 https://www.jk-sci.com/products/s57c4x-16902 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383111_1eedf908-ba8b-4ddc-adc9-f9ad0a668303.png?v=1791714883 Meloxicam EP Impurity B, Purity: 100.0% | 7305-71-7 Meloxicam EP Impurity B|C4X-16902|7305-71-7 https://www.jk-sci.com/products/s57c4x-16908 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e3d1c7df01c9bbe370b673b5c72a3a6.jpg?v=1791714879 Meloxicam Impurity 8, 97.50% | 125372-22-7 Meloxicam Impurity 8|C4X-16908|125372-22-7 https://www.jk-sci.com/products/ts246cs-0048274 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ecd4d35ce9c150d802d5325971b7435.jpg?v=1791681398 tert-Butyl 3-oxo-1-oxa-6-azaspiro[3.3]heptane-6-carboxylate, 97% | 1349199-61-6 tert-Butyl 3-oxo-1-oxa-6-azaspiro[3.3]heptane-6-carboxylate|CS-0048274|1349199-61-6 https://www.jk-sci.com/products/ts246cs-0048244 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413803c91f02b9586832e5c4c4981b31.jpg?v=1791681414 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate, 98% | 1391926-50-3 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate|CS-0048244|1391926-50-3 https://www.jk-sci.com/products/ts246cs-0048231 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/808ca34641ac79d03ce3630f13c1fddd.jpg?v=1791681424 tert-Butyl 4-amino-3,3-difluoropyrrolidine-1-carboxylate, 95% | 1408074-83-8 tert-Butyl 4-amino-3,3-difluoropyrrolidine-1-carboxylate|CS-0048231|1408074-83-8 https://www.jk-sci.com/products/ts246cs-0048310 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235811_9c65a4e4-6e9d-4dc9-a2de-a14127c3e0ee.png?v=1791681374 tert-Butyl 3-carbamoylpyrrolidine-1-carboxylate, 97% | 122684-34-8 tert-Butyl 3-carbamoylpyrrolidine-1-carboxylate|CS-0048310|122684-34-8 https://www.jk-sci.com/products/ts246cs-0048283 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82f3ec6a9db041332d9e99f369b6a8b8.jpg?v=1791681389 tert-Butyl 3-hydroxy-4-methylidenepiperidine-1-carboxylate, 97.00%+ | 159635-22-0 tert-Butyl 3-hydroxy-4-methylidenepiperidine-1-carboxylate|CS-0048283|159635-22-0 https://www.jk-sci.com/products/ts246cs-0048346 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5914cc2edb91c4ae7d0e98a933a8ed0.jpg?v=1791681354 tert-Butyl 3,5-dioxopiperazine-1-carboxylate, 98% | 501127-89-5 tert-Butyl 3,5-dioxopiperazine-1-carboxylate|CS-0048346|501127-89-5 https://www.jk-sci.com/products/s57c4x-16942 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b20b95cad4a26f969ddc3c5ac665e990.jpg?v=1791714869 Prednisone EP Impurity J, 99.60% | 78261-67-3 Prednisone EP Impurity J|C4X-16942|78261-67-3 https://www.jk-sci.com/products/ts246cs-0048382 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5cfa78308507352b7e393db2b25cdfd.jpg?v=1791681332 tert-Butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate, 97% | 877399-34-3 tert-Butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate|CS-0048382|877399-34-3 https://www.jk-sci.com/products/s57c4x-16960 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2060edbedda87369f75beff354a569ee.jpg?v=1791714859 LCZ-696 Impurity 1, 98.00% | 149709-44-4 LCZ-696 Impurity 1|C4X-16960|149709-44-4 https://www.jk-sci.com/products/s57c4x-169617 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9866e4acdfd63a597ee70de88fbd28c.jpg?v=1791714851 LCZ-696 Impurity 17(S,S), 99.30% | 1012341-52-4 LCZ-696 Impurity 17(S,S)|C4X-169617|1012341-52-4 https://www.jk-sci.com/products/ts246cs-0045939 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7784818cec10cd0f81e5c772d2270138.jpg?v=1791682357 4,5-Dichloro-2,6-dimethylpyrimidine, 97% | 105742-66-3 4,5-Dichloro-2,6-dimethylpyrimidine|CS-0045939|105742-66-3 https://www.jk-sci.com/products/s57c4x-169622 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d1d3fdea3297a9758cb7544c7c3bbd3_400f67b4-f2d4-48b5-aa1c-fc94ce42468d.jpg?v=1791714845 LCZ-696 Impurity 22, 98.70% | 149709-59-1 LCZ-696 Impurity 22|C4X-169622|149709-59-1 https://www.jk-sci.com/products/ts246cs-0046646 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b856fff959420f86870e65fcddf5f741.jpg?v=1791682147 3,3-Dimethylpyrrolidin-2-one, 97% | 4831-43-0 3,3-Dimethylpyrrolidin-2-one|CS-0046646|4831-43-0 https://www.jk-sci.com/products/s57c4x-169639 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfb269205caad80bc8bdcb76861ae122_1f5e77fd-3d5f-4424-8ce6-661128f5170b.jpg?v=1791714831 LCZ-696 Intermediate 39, 99.50% | 1426129-50-1 LCZ-696 Intermediate 39|C4X-169639|1426129-50-1 https://www.jk-sci.com/products/ts246cs-0046903 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e850a2745d8c4168f98c58dbcd9c68c.jpg?v=1791682042 Methyl 1-methyl-1H-1,2,4-triazole-5-carboxylate, 98% | 57031-65-9 Methyl 1-methyl-1H-1,2,4-triazole-5-carboxylate|CS-0046903|57031-65-9 https://www.jk-sci.com/products/ts246cs-0047051 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13458f2dc0d96f24acb2e2bc4bbf18e8.jpg?v=1791681945 Methyl 4-amino-2,3-dichlorobenzoate, 98.08%+ | 1807013-25-7 Methyl 4-amino-2,3-dichlorobenzoate|CS-0047051|1807013-25-7 https://www.jk-sci.com/products/ts246cs-0047455 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6700f9289ee8982ef5c0d556eb701c8a.jpg?v=1791681798 9-Benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile, 98% | 189333-46-8 9-Benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile|CS-0047455|189333-46-8 https://www.jk-sci.com/products/s57c4x-169645 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68b9e5a7cf4435cf0e19d666813e3277_a6264acc-f890-4c70-a1ed-3febde87e4cd.jpg?v=1791714827 LCZ-696 Impurity 45, 96.50% | 1015037-46-3 LCZ-696 Impurity 45|C4X-169645|1015037-46-3 https://www.jk-sci.com/products/ts246cs-0047297 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b942a4e7e7d7644b512fef7e48af231f.jpg?v=1791681859 5-Chloro-N-methoxy-N-methylpicolinamide, 98% | 342601-76-7 5-Chloro-N-methoxy-N-methylpicolinamide|CS-0047297|342601-76-7 https://www.jk-sci.com/products/ts246cs-0047542 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b75ab82fadd3b7d9fb010465fb5d7799.jpg?v=1791681775 (5-Bromo-2-fluoro-3-methylphenyl)boronic acid, 98% | 957120-61-5 (5-Bromo-2-fluoro-3-methylphenyl)boronic acid|CS-0047542|957120-61-5 https://www.jk-sci.com/products/ts246cs-0047678 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593742_d7d51fed-6e86-452d-b4ca-bea893259770.png?v=1791681699 3-Amino-5-cyclobutyl-1H-pyrazole, 95% | 326827-21-8 3-Amino-5-cyclobutyl-1H-pyrazole|CS-0047678|326827-21-8 https://www.jk-sci.com/products/s57c4x-169680 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340285_2aeed916-9c79-4059-b662-20808587cf54.png?v=1791714796 LCZ-696 Impurity 80, 98.80% | 128779-47-5 LCZ-696 Impurity 80|C4X-169680|128779-47-5 https://www.jk-sci.com/products/s57c4x-169666 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7a8e41d22ab2ca23aa0a1710012b098.jpg?v=1791714811 LCZ-696 Impurity 66, Purity: 99.9% | 153037-40-2 LCZ-696 Impurity 66|C4X-169666|153037-40-2 https://www.jk-sci.com/products/s57c4x-169658 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3ae10329c6c6907f60c80cfe7d15dbf_d80197a1-b662-438d-a755-f26e68a627ff.jpg?v=1791714820 LCZ-696 Impurity 58, 100.00% | 1012341-48-8 LCZ-696 Impurity 58|C4X-169658|1012341-48-8 https://www.jk-sci.com/products/ts246cs-0047992 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3ffb9a4296bbff046f44b7fc04c5059.jpg?v=1791681566 tert-Butyl N-[(3S,5R)-5-(trifluoromethyl)piperidin-3-yl]carbamate, 97% | 1620012-51-2 tert-Butyl N-[(3S,5R)-5-(trifluoromethyl)piperidin-3-yl]carbamate|CS-0047992|1620012-51-2 https://www.jk-sci.com/products/ts246cs-0047881 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cfe9eb06ea13c3d59c390348bce5114.jpg?v=1791681601 tert-Butyl octahydro-1H-pyrazino[1,2-a]piperazine-2-carboxylate, 98% | 1159825-34-9 tert-Butyl octahydro-1H-pyrazino[1,2-a]piperazine-2-carboxylate|CS-0047881|1159825-34-9 https://www.jk-sci.com/products/s57c4x-169918 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02b2b83987396c6d2b311ae4b8576a4a.jpg?v=1791714771 Minocycline EP Impurity H, 92.60% | 1346598-44-4 Minocycline EP Impurity H|C4X-169918|1346598-44-4 https://www.jk-sci.com/products/s57c4x-16973 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29b726739290dd6e91522f57c7ad8b65.jpg?v=1791714784 Miglitol Impurity A, 91.50% | 1370331-33-1 Miglitol Impurity A|C4X-16973|1370331-33-1 https://www.jk-sci.com/products/ts246cs-0048055 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bc5b86995cb72baa4faac0434d6ffeb.jpg?v=1791681533 tert-Butyl N-(6-oxo-1,6-dihydropyridin-3-yl)carbamate, 98.00%+ | 1394935-52-4 tert-Butyl N-(6-oxo-1,6-dihydropyridin-3-yl)carbamate|CS-0048055|1394935-52-4 https://www.jk-sci.com/products/s57c4x-16987 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5e158d7ad3b0165b81ee0aedb694e52.jpg?v=1791714777 Milbemycin A4 Oxime, 99.00% | 93074-04-5 Milbemycin A4 Oxime|C4X-16987|93074-04-5 https://www.jk-sci.com/products/ts246cs-0048121 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/680467a6b706ff8e3beae10a78c4671f.jpg?v=1791681508 3-Boc-3-azaspiro[5.5]undecane-9-carbaldehyde, 95.00%+ | 1416176-14-1 3-Boc-3-azaspiro[5.5]undecane-9-carbaldehyde|CS-0048121|1416176-14-1 https://www.jk-sci.com/products/ts246cs-0048225 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31734c32dd9c2b668154a694cdb88a0f.jpg?v=1791681430 tert-Butyl 4-amino-5-bromopyridine-2-carboxylate, 96% | 868171-70-4 tert-Butyl 4-amino-5-bromopyridine-2-carboxylate|CS-0048225|868171-70-4 https://www.jk-sci.com/products/s57c4x-169936 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_20d1e8ca-e473-4b1b-8ce2-c4eea96e7150.png?v=1791714763 (5aR)-7-Desdimethylamino-7-((2-(dimethylamino)ethyl)(methyl))amino)-Minocycline, 90.10% (5aR)-7-Desdimethylamino-7-((2-(dimethylamino)ethyl)(methyl))amino)-Minocycline|C4X-169936 https://www.jk-sci.com/products/ts246cs-0048254 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf9a343552256e916e4091e245617ce7.jpg?v=1791681409 tert-Butyl 4-(aminomethyl)-4-hydroxypiperidine-1-carboxylate, 97% | 392331-66-7 tert-Butyl 4-(aminomethyl)-4-hydroxypiperidine-1-carboxylate|CS-0048254|392331-66-7 https://www.jk-sci.com/products/ts246cs-0048285 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db5d1f19d4366eb4692b35cf34cffdd.jpg?v=1791681389 tert-Butyl 3-hydroxy-3-methylpyrrolidine-1-carboxylate, 95% | 412278-02-5 tert-Butyl 3-hydroxy-3-methylpyrrolidine-1-carboxylate|CS-0048285|412278-02-5 https://www.jk-sci.com/products/ts246cs-0048376 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7581f93d0cd618a14250f722d1311bea.jpg?v=1791681337 tert-Butyl 3-(aminomethyl)-3-hydroxypyrrolidine-1-carboxylate, 97% | 114214-73-2 tert-Butyl 3-(aminomethyl)-3-hydroxypyrrolidine-1-carboxylate|CS-0048376|114214-73-2 https://www.jk-sci.com/products/ts246cs-0048501 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b3ff3fa0c508080e0fc437dfbbc90d6.jpg?v=1791681286 tert-Butyl (trans-4-hydroxymethylcyclohexylmethyl)carbamate, 97% | 172348-63-9 tert-Butyl (trans-4-hydroxymethylcyclohexylmethyl)carbamate|CS-0048501|172348-63-9 https://www.jk-sci.com/products/ts246cs-0048525 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6b4fa29da41c5fbd0c78c2526707452.jpg?v=1791681276 tert-Butyl (3S,5S)-3,5-dimethylpiperazine-1-carboxylate, 96% | 888327-50-2 tert-Butyl (3S,5S)-3,5-dimethylpiperazine-1-carboxylate|CS-0048525|888327-50-2 https://www.jk-sci.com/products/s57c4x-17001 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342533_b9bf3aac-a93d-48f8-a798-247964640204.png?v=1791714759 Minoxidil EP Impurity A, 97.50% | 35139-67-4 Minoxidil EP Impurity A|C4X-17001|35139-67-4 https://www.jk-sci.com/products/s57c4x-17003 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b6a6ba32ee77739bd512114e44ddd13.jpg?v=1791714750 Minoxidil EP Impurity C, 99.30% | 1798387-81-1 Minoxidil EP Impurity C|C4X-17003|1798387-81-1 https://www.jk-sci.com/products/ts246cs-0048560 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cef8a8b91618622a64dcdc6c1ef2e40.jpg?v=1791681261 tert-Butyl (3R,4S)-3-fluoro-4-hydroxypiperidine-1-carboxylate, 97% | 1174020-42-8 tert-Butyl (3R,4S)-3-fluoro-4-hydroxypiperidine-1-carboxylate|CS-0048560|1174020-42-8 https://www.jk-sci.com/products/s57c4x-17005 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273119_1f20898b-ce75-4620-9bd7-b26b6131f982.png?v=1791714741 Minoxidil EP Impurity E, 97.50% | 24867-26-3 Minoxidil EP Impurity E|C4X-17005|24867-26-3 https://www.jk-sci.com/products/ts246cs-0046236 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1da088a6e80034e96a1c642ab614992a.jpg?v=1791682232 3,4-Difluoro-2-formylphenylboronic acid, 99.83%+ | 1451392-91-8 3,4-Difluoro-2-formylphenylboronic acid|CS-0046236|1451392-91-8 https://www.jk-sci.com/products/s57c4x-17041 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435472_e98a3b25-aa6b-47a7-a2f6-8d2a519ebf5e.png?v=1791714736 Mometasone Furoate EP Impurity A, 97.20% | 83880-65-3 Mometasone Furoate EP Impurity A|C4X-17041|83880-65-3 https://www.jk-sci.com/products/ts246cs-0047356 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d21738694150a8b30e98e23774bbd494.jpg?v=1791681834 N1-Benzyl-N2-(5-methyl-[1,1'-biphenyl]-2-yl)oxalamide, 97% | 1909333-82-9 N1-Benzyl-N2-(5-methyl-[1,1'-biphenyl]-2-yl)oxalamide|CS-0047356|1909333-82-9 https://www.jk-sci.com/products/ts246cs-0047927 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439d5ebeec101c35c79edf58d7f087fc.jpg?v=1791681590 (R)-tert-Butyl ((4,4-difluoropyrrolidin-2-yl)methyl)carbamate, 98% | 1407991-26-7 (R)-tert-Butyl ((4,4-difluoropyrrolidin-2-yl)methyl)carbamate|CS-0047927|1407991-26-7 https://www.jk-sci.com/products/ts246cs-0047594 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406fc3ed5796c623072ff8b90f8c2000.jpg?v=1791681740 1-Benzylazepan-2-one, 98% | 33241-96-2 1-Benzylazepan-2-one|CS-0047594|33241-96-2 https://www.jk-sci.com/products/ts246cs-0046984 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/426214.png?v=1791681984 4,8-Dimethoxy-1-naphthaldehyde, 98% | 69833-11-0 4,8-Dimethoxy-1-naphthaldehyde|CS-0046984|69833-11-0 https://www.jk-sci.com/products/ts246cs-0047219 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77dc807115887799eca3afee0571ae5c.jpg?v=1791681876 2-Amino-5-chloro-3-fluorobenzoic acid, 99.19%+ | 1028757-83-6 2-Amino-5-chloro-3-fluorobenzoic acid|CS-0047219|1028757-83-6 https://www.jk-sci.com/products/ts246cs-0048100 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32015ac847be382de4d7093689f6d9a5.jpg?v=1791681514 tert-Butyl (1R,3s,5S)-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate, 97% | 194222-05-4 tert-Butyl (1R,3s,5S)-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate|CS-0048100|194222-05-4 https://www.jk-sci.com/products/ts246cs-0048243 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dce2b9385b9bd1a9e2d7349e7faafc75.jpg?v=1791681419 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-isoindole-2-carboxylate, 95% | 1035235-28-9 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-isoindole-2-carboxylate|CS-0048243|1035235-28-9 https://www.jk-sci.com/products/ts246cs-0048446 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee5ee65248b617a358ad507a1bb9357.jpg?v=1791681302 tert-Butyl 2,5-diazaspiro[3.5]nonane-5-carboxylate oxalate(2:1), 97% | 1523571-07-4 tert-Butyl 2,5-diazaspiro[3.5]nonane-5-carboxylate oxalate(2:1)|CS-0048446|1523571-07-4 https://www.jk-sci.com/products/ts246cs-0048329 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa4594305012837dec995c3b5cc31c3f.jpg?v=1793049615 tert-Butyl 3-amino-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-5-carboxylate, 99.79%+ | 398491-64-0 tert-Butyl 3-amino-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-5-carboxylate|CS-0048329|398491-64-0 https://www.jk-sci.com/products/ts246cs-0048557 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f4cf41db7d531aecbf57bfa6e862826.jpg?v=1791681260 tert-Butyl (3R,4S)-4-amino-3-fluoropiperidine-1-carboxylate, 98% | 907544-17-6 tert-Butyl (3R,4S)-4-amino-3-fluoropiperidine-1-carboxylate|CS-0048557|907544-17-6 https://www.jk-sci.com/products/s57c4x-170417 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437584_97199d0a-c1f5-457b-87fe-faa699f89df6.png?v=1791714727 Mometasone Furoate EP Impurity Q, 96.80% | 83881-08-7 Mometasone Furoate EP Impurity Q|C4X-170417|83881-08-7 https://www.jk-sci.com/products/ts246cs-0048647 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a538b1ed7afa764a2cc63d4a56b181da.jpg?v=1791681216 tert-Butyl (2R)-2-acetylpyrrolidine-1-carboxylate, 95% | 675185-27-0 tert-Butyl (2R)-2-acetylpyrrolidine-1-carboxylate|CS-0048647|675185-27-0 https://www.jk-sci.com/products/s57c4x-170413 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0b3afef99795ff7bbfd4c1f03867e66.jpg?v=1791714731 Mometasone Furoate EP Impurity K, 99.40% | 4647-20-5 Mometasone Furoate EP Impurity K|C4X-170413|4647-20-5 https://www.jk-sci.com/products/s57c4x-17047 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2fec410b0e0bccbfc9c3101bc638225.jpg?v=1791714700 Mometasone Furoate EP Impurity D, 93.20% | 83881-09-8 Mometasone Furoate EP Impurity D|C4X-17047|83881-09-8 https://www.jk-sci.com/products/s57c4x-170440 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ca0225c-3fed-4d73-b230-7f836a5a32b4.png?v=1791714708 Mometasone Furoate Impurity 40, 96.70% Mometasone Furoate Impurity 40|C4X-170440 https://www.jk-sci.com/products/s57c4x-170421 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06d47c485b1ef1278b43e597765a18c0.jpg?v=1791714715 Mometasone Furoate EP Impurity R, 96.40% | 1370190-08-1 Mometasone Furoate EP Impurity R|C4X-170421|1370190-08-1 https://www.jk-sci.com/products/ts246cs-0048691 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/decbd83d32c077b7c3ff82dc6bf86bee.jpg?v=1791681196 Spiro[3.3]heptan-2-amine hydrochloride, 97.00%+ | 1416439-08-1 Spiro[3.3]heptan-2-amine hydrochloride|CS-0048691|1416439-08-1 https://www.jk-sci.com/products/s57c4x-170610 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5ee6c509e7e3e5e68a4065baab3c2a8.jpg?v=1791714690 Mupirocin EP Impurity E, 94.10% | 71087-96-2 Mupirocin EP Impurity E|C4X-170610|71087-96-2 https://www.jk-sci.com/products/ts246cs-0048757 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f332c340eb816441c585a4534733ed6c.jpg?v=1791681163 (2S,5S)-2,5-Dimethylpiperazine dihydrobromide, 97% | 98778-71-3 (2S,5S)-2,5-Dimethylpiperazine dihydrobromide|CS-0048757|98778-71-3 https://www.jk-sci.com/products/ts246cs-0048808 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bb9d6eb49c237890fce1baef7d00962.jpg?v=1791681143 N-Methyl-1H-indazol-4-amine, 98% | 1263378-21-7 N-Methyl-1H-indazol-4-amine|CS-0048808|1263378-21-7 https://www.jk-sci.com/products/ts246cs-0048714 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b51e017c4af7b1b1beba1cdbf71927b7.jpg?v=1791681186 rel-Methyl (1R,3S)-3-(hydroxymethyl)cyclopentane-1-carboxylate, 97% | 58240-93-0 rel-Methyl (1R,3S)-3-(hydroxymethyl)cyclopentane-1-carboxylate|CS-0048714|58240-93-0 https://www.jk-sci.com/products/ts246cs-0048776 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/943759c62c7894ce7a8d40be15687ceb.jpg?v=1791681153 Octahydropyrrolo[1,2-a]piperazin-6-one hydrochloride, 97% | 1187385-53-0 Octahydropyrrolo[1,2-a]piperazin-6-one hydrochloride|CS-0048776|1187385-53-0 https://www.jk-sci.com/products/ts246cs-0048984 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55d7a28d74ec1ccfb3d8a08c9256bfc8.jpg?v=1793049596 Methyl 5-chloroimidazo[1,5-a]pyridine-6-carboxylate, 98.00%+ | 1168090-92-3 Methyl 5-chloroimidazo[1,5-a]pyridine-6-carboxylate|CS-0048984|1168090-92-3 https://www.jk-sci.com/products/s57c4x-17063 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89f3cc62e95f966ea7085f1357eb05c1.jpg?v=1791714680 Mupirocin EP Impurity C Sodium Salt, 96.70% | 85178-60-5 Mupirocin EP Impurity C Sodium Salt|C4X-17063|85178-60-5 https://www.jk-sci.com/products/ts246cs-0049002 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7a18ad96fdb6e41d1d2aa724d39608d.jpg?v=1791681062 Methyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate, 98% | 916325-84-3 Methyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate|CS-0049002|916325-84-3 https://www.jk-sci.com/products/ts246cs-0049100 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b483576710ca7c5ad005c3d38793bd7.jpg?v=1791681003 Methyl 3-cyclobutyl-3-oxopropanoate, 96% | 137638-05-2 Methyl 3-cyclobutyl-3-oxopropanoate|CS-0049100|137638-05-2 https://www.jk-sci.com/products/s57c4x-170818 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b0b95702ae40b8e0fa9d9678769a8b.jpg?v=1791714663 Naproxen Impurity 18, 98.70% | 2601735-81-1 Naproxen Impurity 18|C4X-170818|2601735-81-1 https://www.jk-sci.com/products/ts246cs-0049054 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/307b10e25db95e432f7db00bd93950f3.jpg?v=1791681035 Methyl 4-aminooxane-4-carboxylate, 98% | 184698-41-7 Methyl 4-aminooxane-4-carboxylate|CS-0049054|184698-41-7 https://www.jk-sci.com/products/s57c4x-170812 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275122_86188221-3819-4e2b-9fd6-94f61df7e094.png?v=1791714670 Naproxen EP Impurity L, 99.80% | 3900-45-6 Naproxen EP Impurity L|C4X-170812|3900-45-6 https://www.jk-sci.com/products/s57c4x-170824 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dca11ecb1b9cac6632aa6b6a96f5b15.jpg?v=1791714656 Naproxen EP Impurity A, 99.20% | 52079-10-4 Naproxen EP Impurity A|C4X-170824|52079-10-4 https://www.jk-sci.com/products/s57c4x-170828 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d5970d3d84bd3790a69dbff30148492.jpg?v=1791714654 Naproxen Impurity 28, 100.00% | 26159-35-3 Naproxen Impurity 28|C4X-170828|26159-35-3 https://www.jk-sci.com/products/s57c4x-170830 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d31f2a3d757998ff6a5e3ddd26f5b826.jpg?v=1791714651 Naproxen EP Impurity F, Purity: 99.9% | 31220-35-6 Naproxen EP Impurity F|C4X-170830|31220-35-6 https://www.jk-sci.com/products/s57c4x-170832 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6747c656ef4dd9122aa3de0030ed752.jpg?v=1791714645 Naproxen Impurity 32, Purity: 99.6% | 5672-94-6 Naproxen Impurity 32|C4X-170832|5672-94-6 https://www.jk-sci.com/products/ts246cs-0049109 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bfb4dc780bfdd76e67874ec05f93f87.jpg?v=1791680993 Methyl 3-bromo-6-chloropyrazine-2-carboxylate, 95% | 13457-28-8 Methyl 3-bromo-6-chloropyrazine-2-carboxylate|CS-0049109|13457-28-8 https://www.jk-sci.com/products/ts246cs-0049158 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bccc4d034db1402353b037497010bf4.jpg?v=1791680962 Methyl 2-methyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)benzoate, 97% | 525362-07-6 Methyl 2-methyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)benzoate|CS-0049158|525362-07-6 https://www.jk-sci.com/products/ts246cs-0049115 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b4d8f096c4ed220149910bb95911cc4.jpg?v=1791680988 Methyl 3-bromo-1H-pyrrolo[2,3-b]pyridine-4-carboxylate, 97% | 1190310-82-7 Methyl 3-bromo-1H-pyrrolo[2,3-b]pyridine-4-carboxylate|CS-0049115|1190310-82-7 https://www.jk-sci.com/products/s57c4x-17088 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487139.png?v=1791714640 Naproxen EP Impurity G (R-Naproxen), 97.20% | 23979-41-1 Naproxen EP Impurity G (R-Naproxen)|C4X-17088|23979-41-1 https://www.jk-sci.com/products/ts246cs-0049185 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9082578733bb324dde4255c26211261.jpg?v=1791680938 Methyl 2-[2-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetate, 97% | 956229-86-0 Methyl 2-[2-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetate|CS-0049185|956229-86-0 https://www.jk-sci.com/products/ts246cs-0049223 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5febe1ee648db7d9d6e07cbb1f3c85f6.jpg?v=1791680926 Methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate, 97% | 400877-57-8 Methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate|CS-0049223|400877-57-8 https://www.jk-sci.com/products/ts246cs-0049237 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a17cb6a320c81eb32719bf52f014e621.jpg?v=1791680916 Methyl 1H-pyrazolo[4,3-c]pyridine-6-carboxylate, 95% | 1206979-63-6 Methyl 1H-pyrazolo[4,3-c]pyridine-6-carboxylate|CS-0049237|1206979-63-6 https://www.jk-sci.com/products/s57c4x-171036 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1dc3cf385616efafab8602c16035769.jpg?v=1791714635 Nicardipine Impurity 36, 98.50% | 115972-93-5 Nicardipine Impurity 36|C4X-171036|115972-93-5 https://www.jk-sci.com/products/ts246cs-0049247 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105545af58468fd4442f58aeb19e6149.jpg?v=1791680910 Methyl 1H-pyrazolo[3,4-b]pyridine-5-carboxylate, 95% | 1196156-42-9 Methyl 1H-pyrazolo[3,4-b]pyridine-5-carboxylate|CS-0049247|1196156-42-9 https://www.jk-sci.com/products/ts246cs-0049284 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288864.png?v=1791680900 Methyl (2S,4S)-4-fluoropyrrolidine-2-carboxylate hydrochloride, 97% | 58281-79-1 Methyl (2S,4S)-4-fluoropyrrolidine-2-carboxylate hydrochloride|CS-0049284|58281-79-1 https://www.jk-sci.com/products/s57c4x-171014 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee3fa0d4-8094-46b8-9c8d-ec48df7982cb.png?v=1791714639 Nicardipine Impurity 14, 92.90% Nicardipine Impurity 14|C4X-171014 https://www.jk-sci.com/products/ts246cs-0049313 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47177af78a20719de6d973e8fb1bae10.jpg?v=1791680890 (R)-3-Oxo-cyclopentanecarboxylic acid methyl ester, 95% | 132076-27-8 (R)-3-Oxo-cyclopentanecarboxylic acid methyl ester|CS-0049313|132076-27-8 https://www.jk-sci.com/products/ts246cs-0047529 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa9747d648223a6527f5f7f3aac4cff0.jpg?v=1791681786 3H-Spiro[isobenzofuran-1,4'-piperidin]-3-one, 95.00%+ | 37663-46-0 3H-Spiro[isobenzofuran-1,4'-piperidin]-3-one|CS-0047529|37663-46-0 https://www.jk-sci.com/products/ts246cs-0048034 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c1148461ed85966b2cc73ca13c53e1e.jpg?v=1791681544 tert-Butyl N-[(1S)-3-oxocyclopentyl]carbamate, 97% | 167298-40-0 tert-Butyl N-[(1S)-3-oxocyclopentyl]carbamate|CS-0048034|167298-40-0 https://www.jk-sci.com/products/s57c4x-17107 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df4e63d6f9903fefe14d9b74b3b62169.jpg?v=1791714630 Nicardipine Cyclohexenone Impurity, 99.60% | 87625-92-1 Nicardipine Cyclohexenone Impurity|C4X-17107|87625-92-1 https://www.jk-sci.com/products/ts246cs-0048505 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1560df3b1e870d608e32a5f3f14d9e8.jpg?v=1791681281 tert-Butyl (7S)-7-amino-5-azaspiro[2.4]heptane-5-carboxylate, 97% | 1638744-35-0 tert-Butyl (7S)-7-amino-5-azaspiro[2.4]heptane-5-carboxylate|CS-0048505|1638744-35-0 https://www.jk-sci.com/products/ts246cs-0048649 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9179b1cf5d04e2b28f814b7601022fb1.jpg?v=1791681213 tert-Butyl (2R)-2-(bromomethyl)pyrrolidine-1-carboxylate, 97.00%+ | 1039826-29-3 tert-Butyl (2R)-2-(bromomethyl)pyrrolidine-1-carboxylate|CS-0048649|1039826-29-3 https://www.jk-sci.com/products/ts246cs-0048280 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21818988fde160425746dcdac6ff7502.jpg?v=1791681394 tert-Butyl 3-iodo-1H-pyrrolo[2,3-c]pyridine-1-carboxylate, 98% | 1174038-59-5 tert-Butyl 3-iodo-1H-pyrrolo[2,3-c]pyridine-1-carboxylate|CS-0048280|1174038-59-5 https://www.jk-sci.com/products/ts246cs-0048782 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331672_6205d098-13b5-493f-aad0-30415052a78c.png?v=1791681149 Diphenylamine hydrochloride, 98% | 537-67-7 Diphenylamine hydrochloride|CS-0048782|537-67-7 https://www.jk-sci.com/products/ts246cs-0048717 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c402686fba7aa3950b600d45afdde5cd.jpg?v=1791681186 Quinazoline-7-carboxylic acid, 97.00%+ | 1234616-41-1 Quinazoline-7-carboxylic acid|CS-0048717|1234616-41-1 https://www.jk-sci.com/products/ts246cs-0048992 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b255c94e84147e2a2b6ea830d076394.jpg?v=1791681062 Methyl 5-bromo-6-methyl-1H-indole-3-carboxylate, 97% | 1360957-60-3 Methyl 5-bromo-6-methyl-1H-indole-3-carboxylate|CS-0048992|1360957-60-3 https://www.jk-sci.com/products/ts246cs-0049243 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c483eaf95e28565e276ccf08c706729.jpg?v=1791680916 Methyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate, 97% | 1033772-26-7 Methyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate|CS-0049243|1033772-26-7 https://www.jk-sci.com/products/s57c4x-17131 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368955_d99546d6-5afc-4eb0-893d-39252274189b.png?v=1791714628 Norethisterone Acetate, 99.70% | 51-98-9 Norethisterone Acetate|C4X-17131|51-98-9 https://www.jk-sci.com/products/ts246cs-0049160 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee0bcebce64eaa02fc233560b2e7225.jpg?v=1791680962 Methyl 2-methyl-2H-indazole-7-carboxylate, 99.29%+ | 1092351-88-6 Methyl 2-methyl-2H-indazole-7-carboxylate|CS-0049160|1092351-88-6 https://www.jk-sci.com/products/s57c4x-171712 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7b14bff4-d796-4aa9-8388-f98ae3b7838a.png?v=1791714624 N-Nitroso N-Desmethyl Ofloxacin, 98.60% N-Nitroso N-Desmethyl Ofloxacin|C4X-171712 https://www.jk-sci.com/products/ts246cs-0049066 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77ba0e40b055abbc445fe51f6e8e4765.jpg?v=1791681029 Methyl 4-(hydroxymethyl)bicyclo[2.2.1]heptane-1-carboxylate, 98% | 1350821-95-2 Methyl 4-(hydroxymethyl)bicyclo[2.2.1]heptane-1-carboxylate|CS-0049066|1350821-95-2 https://www.jk-sci.com/products/s57c4x-17181 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46fb22695ce280bb59aad7566e86959.jpg?v=1791714621 Olopatadine Impurity 1, 86.30% | 1331668-21-3 Olopatadine Impurity 1|C4X-17181|1331668-21-3 https://www.jk-sci.com/products/ts246cs-0049113 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12ef022a496ac8b6e3d262566fb53281.jpg?v=1791680988 Methyl 3-bromo-1-methyl-1H-indazole-6-carboxylate, 98% | 192945-57-6 Methyl 3-bromo-1-methyl-1H-indazole-6-carboxylate|CS-0049113|192945-57-6 https://www.jk-sci.com/products/s57c4x-17173 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/976428219163af91d0d79ec978796b16.jpg?v=1791714620 Ofloxacin EP Impurity C, 95.50% | 95848-94-5 Ofloxacin EP Impurity C|C4X-17173|95848-94-5 https://www.jk-sci.com/products/s57c4x-17182 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99e5d4beedb551d31368dc22cbf59555.jpg?v=1791714614 Olopatadine USP RC B, 96.70% | 173174-07-7 Olopatadine USP RC B|C4X-17182|173174-07-7 https://www.jk-sci.com/products/ts246cs-0049486 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/043599d792660c44f926665284293f3d.jpg?v=1791680833 Ethyl 3-chloro-1H-pyrazole-5-carboxylate, 97% | 1378271-66-9 Ethyl 3-chloro-1H-pyrazole-5-carboxylate|CS-0049486|1378271-66-9 https://www.jk-sci.com/products/ts246cs-0049400 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d0e755a3a399dd8f386bc724e710a5d.jpg?v=1791680855 Ethyl bicyclo[3.1.0]hexane-3-carboxylate, 97% | 1509328-66-8 Ethyl bicyclo[3.1.0]hexane-3-carboxylate|CS-0049400|1509328-66-8 https://www.jk-sci.com/products/ts246cs-0049288 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5f6507b4f28fc7f6d2fc610e7b608fe.jpg?v=1791680896 Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate, 97% | 134167-07-0 Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate|CS-0049288|134167-07-0 https://www.jk-sci.com/products/ts246cs-0049492 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a0deb823b332f1d83874f796d05eb0b.jpg?v=1791680830 Ethyl 3-bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylate, 98% | 889658-85-9 Ethyl 3-bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylate|CS-0049492|889658-85-9 https://www.jk-sci.com/products/ts246cs-0049506 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e11b22e1ae808cc5c7af2714edd4bfaf.jpg?v=1791680824 Ethyl 2-cyanocyclopropane-1-carboxylate, 95% | 56447-11-1 Ethyl 2-cyanocyclopropane-1-carboxylate|CS-0049506|56447-11-1 https://www.jk-sci.com/products/s57c4x-171821 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8bfa27f8-df8b-4088-b52e-0bcffb245ddc.png?v=1791714609 Olopatadine Impurity 21, 98.10% Olopatadine Impurity 21|C4X-171821 https://www.jk-sci.com/products/ts246cs-0049521 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155499.png?v=1791680815 Ethyl 2,2,2-trichloroacetate, 97% | 515-84-4 Ethyl 2,2,2-trichloroacetate|CS-0049521|515-84-4 https://www.jk-sci.com/products/s57c4x-171823 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0477bd9c1681d6f5ba0bdd5b946716a7.jpg?v=1791714605 Olopatadine Impurity 23, 97.40% | 4174-83-8 Olopatadine Impurity 23|C4X-171823|4174-83-8 https://www.jk-sci.com/products/ts246cs-0049538 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebce2113f81429f0839d389c423fce73.jpg?v=1791680805 Ethyl 2-(3-cyanooxetan-3-yl)acetate, 98% | 1050611-00-1 Ethyl 2-(3-cyanooxetan-3-yl)acetate|CS-0049538|1050611-00-1 https://www.jk-sci.com/products/ts246cs-0049550 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622145.png?v=1791680798 Ethyl 1-hydroxycyclopropane-1-carboxylate, 97% | 137682-89-4 Ethyl 1-hydroxycyclopropane-1-carboxylate|CS-0049550|137682-89-4 https://www.jk-sci.com/products/ts246cs-0049555 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453202.png?v=1791680794 Ethyl 1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylate, 97% | 5932-31-0 Ethyl 1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylate|CS-0049555|5932-31-0 https://www.jk-sci.com/products/ts246cs-0049610 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d2872b22b037a3b2c1c281d1156f4af.jpg?v=1791680777 Dimethyl({3-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propyl})amine, 97% | 847818-72-8 Dimethyl({3-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propyl})amine|CS-0049610|847818-72-8 https://www.jk-sci.com/products/ts246cs-0049662 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e5ad883ec3db0e764eee4b2f5104e14.jpg?v=1791680762 cis-ethyl (1R,2S)-2-cyanocyclopropane-1-carboxylate, 95% | 699-23-0 cis-ethyl (1R,2S)-2-cyanocyclopropane-1-carboxylate|CS-0049662|699-23-0 https://www.jk-sci.com/products/ts246cs-0049669 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea151445c6aec32a6bb38fda18f93f3d.jpg?v=1791680757 cis-5-Amino-2-Boc-hexahydro-cyclopenta[c]pyrrole, 98% | 863600-81-1 cis-5-Amino-2-Boc-hexahydro-cyclopenta[c]pyrrole|CS-0049669|863600-81-1 https://www.jk-sci.com/products/s57c4x-171829 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378715_f7cdd25a-0e4e-448c-a7c5-f0712111faf3.png?v=1791714600 Olopatadine Impurity 29, 99.90% | 156-38-7 Olopatadine Impurity 29|C4X-171829|156-38-7 https://www.jk-sci.com/products/ts246cs-0049713 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40cf4f8d3c41e2e48c90d88095e626ee.jpg?v=1791680738 cis-3-Aminocyclohexanecarboxylic acid hydrochloride, 98% | 118785-96-9 cis-3-Aminocyclohexanecarboxylic acid hydrochloride|CS-0049713|118785-96-9 https://www.jk-sci.com/products/ts246cs-0049695 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113184.png?v=1791680748 rel-(1R,3S)-Cyclopent-4-ene-1,3-diyl diacetate, 96% | 54664-61-8 rel-(1R,3S)-Cyclopent-4-ene-1,3-diyl diacetate|CS-0049695|54664-61-8 https://www.jk-sci.com/products/ts246cs-0049749 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8136476e5d6bb3f52edc4fa7e3f5ba37.jpg?v=1791680727 cis-1-Methylcyclohexane-1,4-diol, 98% | 124899-25-8 cis-1-Methylcyclohexane-1,4-diol|CS-0049749|124899-25-8 https://www.jk-sci.com/products/ts246cs-0049763 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09058c0cff41708429d14c707a402cdd.jpg?v=1791680717 tert-Butyl ((3S,4R)-4-fluoropyrrolidin-3-yl)carbamate, 98% | 1033718-89-6 tert-Butyl ((3S,4R)-4-fluoropyrrolidin-3-yl)carbamate|CS-0049763|1033718-89-6 https://www.jk-sci.com/products/ts246cs-0049789 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3e9c88e6288b813b0392819dad38c21.jpg?v=1791680709 Bicyclo[1.1.1]pentane-1-acetic acid, 97% | 131515-31-6 Bicyclo[1.1.1]pentane-1-acetic acid|CS-0049789|131515-31-6 https://www.jk-sci.com/products/ts246cs-0049893 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449ff3cfc22ebc680af75a12392421da.jpg?v=1791680680 Benzyl (3R)-3-(hydroxymethyl)piperazine-1-carboxylate, 95% | 930837-03-9 Benzyl (3R)-3-(hydroxymethyl)piperazine-1-carboxylate|CS-0049893|930837-03-9 https://www.jk-sci.com/products/s57c4x-171830 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/070db73e70e9617543e853ebc873e96b.jpg?v=1791714599 Olopatadine Impurity 30, 98.00% | 728-97-2 Olopatadine Impurity 30|C4X-171830|728-97-2 https://www.jk-sci.com/products/ts246cs-0049907 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e99047e671b7c3a83afddc64872746d.jpg?v=1791680674 4-(Hydroxymethyl)-3-methoxybenzoic acid, 95% | 955117-56-3 4-(Hydroxymethyl)-3-methoxybenzoic acid|CS-0049907|955117-56-3 https://www.jk-sci.com/products/ts246cs-0050016 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473788.png?v=1791680633 7-Iodo-3,4-dihydroquinazolin-4-one, 96.62%+ | 202197-77-1 7-Iodo-3,4-dihydroquinazolin-4-one|CS-0050016|202197-77-1 https://www.jk-sci.com/products/s57c4x-17184 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8e3f9e27-0ccd-43b6-ac96-ce1bfb6c1929.png?v=1791714590 Olopatadine Impurity 4, 94.00% Olopatadine Impurity 4|C4X-17184 https://www.jk-sci.com/products/s57c4x-171849 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7e46f637-f2ec-4d9a-8a6b-38a77f3dbb63.png?v=1791714583 Olopatadine Impurity 49, 91.60% Olopatadine Impurity 49|C4X-171849 https://www.jk-sci.com/products/ts246cs-0049961 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ce0e4808328ca362a947b3615d6ac7b.jpg?v=1791680664 8-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine, 98% | 54230-90-9 8-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine|CS-0049961|54230-90-9 https://www.jk-sci.com/products/ts246cs-0050024 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2228decc99814204ddc8ce893166e734.jpg?v=1791680624 7-Fluoroimidazo[1,2-a]pyridine-2-carboxylic acid, 98% | 886363-98-0 7-Fluoroimidazo[1,2-a]pyridine-2-carboxylic acid|CS-0050024|886363-98-0 https://www.jk-sci.com/products/ts246cs-0050034 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaa2a34ea889dcfc5df2c3bb5a9e3a75.jpg?v=1791680619 7-Chlorothieno[3,2-b]pyridine-6-carboxylic acid, 98% | 90690-94-1 7-Chlorothieno[3,2-b]pyridine-6-carboxylic acid|CS-0050034|90690-94-1 https://www.jk-sci.com/products/s57c4x-17187 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cc4f922cf655e265f8a37df318b72b9.jpg?v=1791714584 Olopatadine Impurity 7, 90.80% | 949141-22-4 Olopatadine Impurity 7|C4X-17187|949141-22-4 https://www.jk-sci.com/products/s57c4x-171834 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5173bf23-8bab-472e-9b0f-21c1253882aa.png?v=1791714593 Olopatadine Impurity 34 HCl, 96.00% Olopatadine Impurity 34 HCl|C4X-171834 https://www.jk-sci.com/products/ts246cs-0050074 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311424.png?v=1791680604 7-Bromo-4-methoxy-1H-indole, 97% | 81224-16-0 7-Bromo-4-methoxy-1H-indole|CS-0050074|81224-16-0 https://www.jk-sci.com/products/s57c4x-1720100 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_572db705-39c9-4ab7-9b8f-da66f6f8f9c7.png?v=1791714579 Oseltamivir Impurity 100, 96.70% Oseltamivir Impurity 100|C4X-1720100 https://www.jk-sci.com/products/ts246cs-0046816 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29b81c8d24ac616b68af72577d57f19.jpg?v=1791682095 2,2,4-Trimethyl-1,2-dihydroquinoline, 96.61%+ | 147-47-7 2,2,4-Trimethyl-1,2-dihydroquinoline|CS-0046816|147-47-7 https://www.jk-sci.com/products/s57c4x-1720102 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ba1ace529992aebfe410a7b07c7e6c5.jpg?v=1791714575 Oseltamivir Impurity 102, 96.30% | 943515-58-0 Oseltamivir Impurity 102|C4X-1720102|943515-58-0 https://www.jk-sci.com/products/ts246cs-0048211 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f48b4d229f23d25a659a1cdbef5f545d.jpg?v=1791681441 tert-Butyl 4-hydroxy-3-methylpiperidine-1-carboxylate, 97% | 181269-70-5 tert-Butyl 4-hydroxy-3-methylpiperidine-1-carboxylate|CS-0048211|181269-70-5 https://www.jk-sci.com/products/ts246cs-0048562 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0287fd79d4699fb23aaa88672a8110a2.jpg?v=1791681256 tert-Butyl (3R,4S)-3-amino-4-hydroxypyrrolidine-1-carboxylate, 98% | 1174020-29-1 tert-Butyl (3R,4S)-3-amino-4-hydroxypyrrolidine-1-carboxylate|CS-0048562|1174020-29-1 https://www.jk-sci.com/products/ts246cs-0049229 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88c1d68d088f311635ee3d9d1e698885.jpg?v=1791680920 Methyl 1-methyl-1H-indazole-7-carboxylate, 97.00%+ | 1092351-84-2 Methyl 1-methyl-1H-indazole-7-carboxylate|CS-0049229|1092351-84-2 https://www.jk-sci.com/products/s57c4x-1720131 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_303b3965-a7f7-49cc-9566-9825294b01f8.png?v=1791714564 Oseltamivir Impurity 2HCI 131, 85.30% Oseltamivir Impurity 2HCI 131|C4X-1720131 https://www.jk-sci.com/products/ts246cs-0049121 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146de44e4c8ce03da0c469fe102ff38f.jpg?v=1791680982 Methyl 3-Boc-3-azabicyclo[3.2.1]octane-8-carboxylate, 96% | 1403766-87-9 Methyl 3-Boc-3-azabicyclo[3.2.1]octane-8-carboxylate|CS-0049121|1403766-87-9 https://www.jk-sci.com/products/ts246cs-0048770 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37ee90c8160241a713a24e4e43baa033.jpg?v=1791681158 Oxan-3-ylmethanamine hydrochloride, 97% | 1159599-89-9 Oxan-3-ylmethanamine hydrochloride|CS-0048770|1159599-89-9 https://www.jk-sci.com/products/s57c4x-1720104 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c76618a1b568768190e0d3000ac139e2.jpg?v=1791714573 Oseltamivir Impurity 104, 96.80% | 204254-92-2 Oseltamivir Impurity 104|C4X-1720104|204254-92-2 https://www.jk-sci.com/products/s57c4x-1720122 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f659d9b48cc1d9a5cd223ddd7e30c5c.jpg?v=1791714570 Oseltamivir Impurity 122, 98.10% | 2097777-49-4 Oseltamivir Impurity 122|C4X-1720122|2097777-49-4 https://www.jk-sci.com/products/ts246cs-0049048 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07f38881db1b2823cf9bb9984c5a4a48.jpg?v=1791681041 Methyl 4-bromo-2-methyl-2H-indazole-3-carboxylate, 97% | 2090253-59-9 Methyl 4-bromo-2-methyl-2H-indazole-3-carboxylate|CS-0049048|2090253-59-9 https://www.jk-sci.com/products/s57c4x-1720145 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_55d621c2-8e4e-4734-86f2-b63781ae6a16.png?v=1791714564 Oseltamivir Impurity 145, Purity: 97.7% Oseltamivir Impurity 145|C4X-1720145 https://www.jk-sci.com/products/ts246cs-0049395 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e165ec49c93b6eba605b02ccc3ea7877.jpg?v=1791680859 Ethyl imidazo[1,5-a]pyrazine-1-carboxylate, 98% | 1377584-27-4 Ethyl imidazo[1,5-a]pyrazine-1-carboxylate|CS-0049395|1377584-27-4 https://www.jk-sci.com/products/s57c4x-1720150 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae528238-a7ea-430d-8184-fa6c98924d3d.png?v=1791714559 Oseltamivir Impurity 150, 95.90% Oseltamivir Impurity 150|C4X-1720150 https://www.jk-sci.com/products/s57c4x-172018 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_733498bd-101f-4aa7-92f9-4d3ffa9205c6.png?v=1791714545 Oseltamivir Impurity 18, 98.30% Oseltamivir Impurity 18|C4X-172018 https://www.jk-sci.com/products/ts246cs-0049487 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8745c8769c5c3b003541df578d49a32c.jpg?v=1791680831 Ethyl 3-bromopyrazolo[1,5-a]pyrimidine-6-carboxylate, 98% | 1263060-07-6 Ethyl 3-bromopyrazolo[1,5-a]pyrimidine-6-carboxylate|CS-0049487|1263060-07-6 https://www.jk-sci.com/products/s57c4x-1720154 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9183250b5cc435c067f85fee4c078ed5.jpg?v=1791714554 Oseltamivir Impurity 154, Purity: 96.1% | 40983-58-2 Oseltamivir Impurity 154|C4X-1720154|40983-58-2 https://www.jk-sci.com/products/ts246cs-0049664 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b85437255070d599f24150eedab73028.jpg?v=1791680763 cis-Cyclopentane-1,2-diamine dihydrochloride, 97% | 310872-08-3 cis-Cyclopentane-1,2-diamine dihydrochloride|CS-0049664|310872-08-3 https://www.jk-sci.com/products/ts246cs-0049516 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cb5694cc14d9844a9408b63d7e57ac8.jpg?v=1791680820 Ethyl 2,6-dichloro-5-methylpyridine-3-carboxylate, 98.66%+ | 137520-86-6 Ethyl 2,6-dichloro-5-methylpyridine-3-carboxylate|CS-0049516|137520-86-6 https://www.jk-sci.com/products/ts246cs-0049594 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603649c6e0bba2d3d725e98ea1b8e5d5.jpg?v=1791680783 endo-7-Hydroxy-3-oxa-9-azabicyclo[3.3.1]nonane hydrochloride, 97% | 240401-10-9 endo-7-Hydroxy-3-oxa-9-azabicyclo[3.3.1]nonane hydrochloride|CS-0049594|240401-10-9 https://www.jk-sci.com/products/ts246cs-0049542 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc4184c310e8b735a376eb48d972002b.jpg?v=1791680799 Ethyl 2-(2-bromopyrimidin-5-yl)acetate, 97% | 917023-05-3 Ethyl 2-(2-bromopyrimidin-5-yl)acetate|CS-0049542|917023-05-3 https://www.jk-sci.com/products/ts246cs-0049700 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559a14d4576138d4b37d666a6a8f49a9.jpg?v=1791680743 cis-3-Methoxycyclobutanamine hydrochloride, 97% | 1408074-54-3 cis-3-Methoxycyclobutanamine hydrochloride|CS-0049700|1408074-54-3 https://www.jk-sci.com/products/ts246cs-0049756 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b022d6ce16888fe84af6fbca919dcf57.jpg?v=1791680722 cis-1,2,6-Trimethylpiperazine dihydrochloride, 97% | 1195782-28-5 cis-1,2,6-Trimethylpiperazine dihydrochloride|CS-0049756|1195782-28-5 https://www.jk-sci.com/products/ts246cs-0049832 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02dfdc0727ceb50bc3e944bdafeb74b3.jpg?v=1791680689 Benzyl 4-({[(tert-butoxy)carbonyl]amino}amino)piperidine-1-carboxylate, 97% | 280111-50-4 Benzyl 4-({[(tert-butoxy)carbonyl]amino}amino)piperidine-1-carboxylate|CS-0049832|280111-50-4 https://www.jk-sci.com/products/ts246cs-0050018 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128611_0628695d-dcae-4f27-8be5-ebf61a6532ce.png?v=1791680628 7-Hydroxy-6-methoxy-3,4-dihydroquinazolin-4-one, 97% | 162012-72-8 7-Hydroxy-6-methoxy-3,4-dihydroquinazolin-4-one|CS-0050018|162012-72-8 https://www.jk-sci.com/products/ts246cs-0050070 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a5b1b382a89c7e20e19090e845447b5.jpg?v=1791680609 7-Bromo-5-fluoro-2,3-dihydro-1H-indol-2-one, 98% | 945379-34-0 7-Bromo-5-fluoro-2,3-dihydro-1H-indol-2-one|CS-0050070|945379-34-0 https://www.jk-sci.com/products/ts246cs-0049917 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbf4bddc59f6f76eb490fbc69d0efa95.jpg?v=1791680669 Azepan-3-ylmethanol hydrochloride, 96% | 856627-55-9 Azepan-3-ylmethanol hydrochloride|CS-0049917|856627-55-9 https://www.jk-sci.com/products/ts246cs-0050179 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84d4c5e74bbaf96348af64d685c8e3dc.jpg?v=1791680561 6-Methoxy-5-Methyl-1H-indole, 98% | 1071973-95-9 6-Methoxy-5-Methyl-1H-indole|CS-0050179|1071973-95-9 https://www.jk-sci.com/products/ts246cs-0050199 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6318f52c4f8a4c6f1ac53b9ad698267b.jpg?v=1791680551 6-Fluoro-5-indazolecarboxylic acid methyl ester, 98% | 633327-39-6 6-Fluoro-5-indazolecarboxylic acid methyl ester|CS-0050199|633327-39-6 https://www.jk-sci.com/products/ts246cs-0050325 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47ce59c94040a34f321e4f030a6c3536.jpg?v=1791680464 tert-Butyl 2-thia-6-azaspiro[3.3]heptane-6-carboxylate 2,2-dioxide, 98% | 1291487-31-4 tert-Butyl 2-thia-6-azaspiro[3.3]heptane-6-carboxylate 2,2-dioxide|CS-0050325|1291487-31-4 https://www.jk-sci.com/products/ts246cs-0050306 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13e5dc50de3c1be42e658b5fd0ed429.jpg?v=1791680489 6-Bromo-1-methyl-1H-indazole-3-carboxylic acid, 97% | 1021859-29-9 6-Bromo-1-methyl-1H-indazole-3-carboxylic acid|CS-0050306|1021859-29-9 https://www.jk-sci.com/products/ts246cs-0050237 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b1b52758c5505f25fc78236b5a83d1b.jpg?v=1791680530 6-Chloro-1H-indazole-5-carboxylic acid methyl ester, 96% | 1372629-24-7 6-Chloro-1H-indazole-5-carboxylic acid methyl ester|CS-0050237|1372629-24-7 https://www.jk-sci.com/products/s57c4x-1720183 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50f940b62eca6dfce479bbdb88962cb9.jpg?v=1791714545 Oseltamivir EP Impurity A, 95.30% | 1364932-19-3 Oseltamivir EP Impurity A|C4X-1720183|1364932-19-3 https://www.jk-sci.com/products/s57c4x-172020 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2c114f79-cf75-49f5-b2ec-aa6b81f851f1.png?v=1791714531 Oseltamivir Impurity 20, 91.10% Oseltamivir Impurity 20|C4X-172020 https://www.jk-sci.com/products/s57c4x-1720187 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0a1121e1-0bf2-42f1-89c4-8ed131b903c3.png?v=1791714540 Oseltamivir EP Impurity F HCl（Mixture of Diastereomers）, 96.00% Oseltamivir EP Impurity F HCl（Mixture of Diastereomers）|C4X-1720187 https://www.jk-sci.com/products/ts246cs-0050290 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b97a2d8865e8f1a8f2559ced7ae9571.jpg?v=1791680499 6-Bromo-2-methylpyrazolo[1,5-a]pyrimidine, 99.26%+ | 916256-65-0 6-Bromo-2-methylpyrazolo[1,5-a]pyrimidine|CS-0050290|916256-65-0 https://www.jk-sci.com/products/s57c4x-1720195 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61aa28aaa7c5f95f48fb007993fde500.jpg?v=1791714536 Oseltamivir Impurity 195, 96.20% | 312904-18-0 Oseltamivir Impurity 195|C4X-1720195|312904-18-0 https://www.jk-sci.com/products/ts246cs-0050339 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90a3ceb43abae1f46deec3041fedb366.jpg?v=1791680459 6-Aminospiro[3.3]heptan-2-ol hydrochloride, 98% | 1820979-19-8 6-Aminospiro[3.3]heptan-2-ol hydrochloride|CS-0050339|1820979-19-8 https://www.jk-sci.com/products/ts246cs-0050409 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e5bdbd4a22d4554b15e947d4cc4f5b0.jpg?v=1791680422 2-Chloro-4-(methylamino)pyrimidine-5-carbaldehyde, 98.00%+ | 839708-50-8 2-Chloro-4-(methylamino)pyrimidine-5-carbaldehyde|CS-0050409|839708-50-8 https://www.jk-sci.com/products/ts246cs-0050452 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627808.png?v=1791680410 5-Methoxy-[1,3]thiazolo[5,4-b]pyridin-2-amine, 98% | 13797-77-8 5-Methoxy-[1,3]thiazolo[5,4-b]pyridin-2-amine|CS-0050452|13797-77-8 https://www.jk-sci.com/products/ts246cs-0050474 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dd81f2dda760e4bebf5255c870abf3a.jpg?v=1791680398 5-Fluoropyrimidine-2-carboxylic acid, 97% | 1196151-51-5 5-Fluoropyrimidine-2-carboxylic acid|CS-0050474|1196151-51-5 https://www.jk-sci.com/products/ts246cs-0050481 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8a093310d21252c4f7c036e86909a49.jpg?v=1791680392 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid, 97% | 1067193-34-3 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid|CS-0050481|1067193-34-3 https://www.jk-sci.com/products/ts246cs-0050502 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340229.png?v=1791680382 5-Cyclopentyl-1H-pyrazol-3-amine, 97% | 264209-16-7 5-Cyclopentyl-1H-pyrazol-3-amine|CS-0050502|264209-16-7 https://www.jk-sci.com/products/ts246cs-0050510 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f782042d58b3015954923f1829357fd6.jpg?v=1791680381 5-Chloropyridazin-3-amine, 97% | 1314978-36-3 5-Chloropyridazin-3-amine|CS-0050510|1314978-36-3 https://www.jk-sci.com/products/ts246cs-0049526 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7951eb91376265c8381ccbc34c1e28ea.jpg?v=1791680810 Ethyl 2-(difluoromethyl)pyridine-4-carboxylate, 98% | 1192539-75-5 Ethyl 2-(difluoromethyl)pyridine-4-carboxylate|CS-0049526|1192539-75-5 https://www.jk-sci.com/products/ts246cs-0049169 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f517448b35c4974a328aac7c97ad4500.jpg?v=1791680955 Methyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate, 96% | 1352396-67-8 Methyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate|CS-0049169|1352396-67-8 https://www.jk-sci.com/products/s57c4x-172034 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2c798688-83e7-451a-9137-977657bc765b.png?v=1791714513 Oseltamivir Impurity 34, 98.30% Oseltamivir Impurity 34|C4X-172034 https://www.jk-sci.com/products/ts246cs-0049722 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a7ed6661f49c653354b567666da3021.jpg?v=1791680733 cis-3,5-Dimethylmorpholine hydrochloride, 97% | 154596-17-5 cis-3,5-Dimethylmorpholine hydrochloride|CS-0049722|154596-17-5 https://www.jk-sci.com/products/s57c4x-1720216 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e909a0a2-7913-48c8-b299-b3aa7a2c6fce.png?v=1791714528 Oseltamivir Impurity 216, Purity: 99.9% Oseltamivir Impurity 216|C4X-1720216 https://www.jk-sci.com/products/ts246cs-0050579 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b86f0da2dc1ffd4448204639af34c798.jpg?v=1791680340 5-Bromo-6-chloropyridine-2-carboxylic acid, 98.68%+ | 959958-25-9 5-Bromo-6-chloropyridine-2-carboxylic acid|CS-0050579|959958-25-9 https://www.jk-sci.com/products/ts246cs-0050571 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7680b30c3412898c2f1c8aebdb0d3ea8.jpg?v=1791680345 5-Bromo-6-methylpyridin-3-ol, 97% | 186593-45-3 5-Bromo-6-methylpyridin-3-ol|CS-0050571|186593-45-3 https://www.jk-sci.com/products/s57c4x-172046 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fe67c777-625d-4e11-8a2a-a7fdb2cc12b5.png?v=1791714502 Oseltamivir Impurity 46, Purity: 99.5% Oseltamivir Impurity 46|C4X-172046 https://www.jk-sci.com/products/ts246cs-0050029 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ef95b5511f2969f45f2c38a1beecc27.jpg?v=1791680619 7-Fluoro-3,3-dimethyl-2,3-dihydro-1H-indol-2-one, 96% | 866208-24-4 7-Fluoro-3,3-dimethyl-2,3-dihydro-1H-indol-2-one|CS-0050029|866208-24-4 https://www.jk-sci.com/products/s57c4x-1720218 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f8e0fd7c-2f4b-47e5-8765-11e1b0d86067.png?v=1791714523 Oseltamivir Impurity 218 TFA, 92.70% Oseltamivir Impurity 218 TFA|C4X-1720218 https://www.jk-sci.com/products/s57c4x-172030 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f88b670d30a328cb83c0a2c49e556659.jpg?v=1791714514 Oseltamivir Impurity 30, 86.50% | 212504-89-7 Oseltamivir Impurity 30|C4X-172030|212504-89-7 https://www.jk-sci.com/products/s57c4x-17204 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d70174d2043c182fbd5e1ea61c42906.jpg?v=1791714509 Oseltamivir EP Impurity D, 92.30% | 1346604-18-9 Oseltamivir EP Impurity D|C4X-17204|1346604-18-9 https://www.jk-sci.com/products/ts246cs-0049906 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca55798e5ca49dcb4803438f6e37ee32.jpg?v=1791680675 Methyl 4-(hydroxymethyl)-3-methoxybenzoate, 95% | 79236-96-7 Methyl 4-(hydroxymethyl)-3-methoxybenzoate|CS-0049906|79236-96-7 https://www.jk-sci.com/products/ts246cs-0048917 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/247743.png?v=1791681092 Methyl 7-bromo-1H-indazole-3-carboxylate, 95% | 885279-52-7 Methyl 7-bromo-1H-indazole-3-carboxylate|CS-0048917|885279-52-7 https://www.jk-sci.com/products/ts246cs-0050543 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e27219c5f5e7b538fa439d7df1583ad7.jpg?v=1791680361 5-Chloro-1H-indole-6-carboxylic acid, 98% | 1260858-55-6 5-Chloro-1H-indole-6-carboxylic acid|CS-0050543|1260858-55-6 https://www.jk-sci.com/products/s57c4x-172023 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d8f6109-7668-4896-8f7d-eb6e684866ec.png?v=1791714523 Oseltamivir Glucose Adduct 23, 95.90% Oseltamivir Glucose Adduct 23|C4X-172023 https://www.jk-sci.com/products/ts246cs-0049426 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0b5661cd22fe5555d9fb56b79b4ce3e.jpg?v=1791680850 Ethyl 6-bromo-1-benzothiophene-3-carboxylate, 97% | 946427-88-9 Ethyl 6-bromo-1-benzothiophene-3-carboxylate|CS-0049426|946427-88-9 https://www.jk-sci.com/products/s57c4x-172055 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7701d5ea-e1a0-4959-b669-2dee5ac3e3bd.png?v=1791714504 Oseltamivir Impurity 55, 94.70% Oseltamivir Impurity 55|C4X-172055 https://www.jk-sci.com/products/ts246cs-0048396 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9edd8ede1f943585c1073af9c6b29c2a.jpg?v=1793049610 tert-Butyl 3-(2-ethoxy-2-oxoethyl)pyrrolidine-1-carboxylate, 97.00%+ | 664364-29-8 tert-Butyl 3-(2-ethoxy-2-oxoethyl)pyrrolidine-1-carboxylate|CS-0048396|664364-29-8 https://www.jk-sci.com/products/s57c4x-172028 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97db5bf6d4dd5cb3ca2ae4d81a947560.jpg?v=1791714519 Oseltamivir Impurity 28, 98.70% | 204254-94-4 Oseltamivir Impurity 28|C4X-172028|204254-94-4 https://www.jk-sci.com/products/ts246cs-0049652 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff38d9b89a45ffd4b3f9d1e72e6c3ec4.jpg?v=1791680763 rel-(3R,4S)-tetrahydrofuran-3,4-diamine dihydrochloride, 97% | 137277-16-8 rel-(3R,4S)-tetrahydrofuran-3,4-diamine dihydrochloride|CS-0049652|137277-16-8 https://www.jk-sci.com/products/ts246cs-0050334 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/038cd4ccbab6cf74f2833fb36ee05e93.jpg?v=1791680464 6-Azaspiro[3.4]octane, 96% | 765-64-0 6-Azaspiro[3.4]octane|CS-0050334|765-64-0 https://www.jk-sci.com/products/ts246cs-0050296 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ca7b93e95b17d15a845d7852c3a3721.jpg?v=1791680499 6-Bromo-2-chloro-4-methylquinazoline, 97% | 175724-46-6 6-Bromo-2-chloro-4-methylquinazoline|CS-0050296|175724-46-6 https://www.jk-sci.com/products/s57c4x-172063 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cda9dfe6d8d020e807eebe5fe15b298a.jpg?v=1791714494 Oseltamivir Impurity 63, 96.00% | 1266663-89-1 Oseltamivir Impurity 63|C4X-172063|1266663-89-1 https://www.jk-sci.com/products/ts246cs-0050235 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6f125c213cb82a616e4651ced2e294b.jpg?v=1791680533 6-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile, 98% | 1260385-93-0 6-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile|CS-0050235|1260385-93-0 https://www.jk-sci.com/products/s57c4x-172059 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435ad5bd6852eb9efca21ca9e5485c29.jpg?v=1791714499 Oseltamivir Impurity 59, 99.30% | 722-97-4 Oseltamivir Impurity 59|C4X-172059|722-97-4 https://www.jk-sci.com/products/s57c4x-17207 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54eae7f395696fa775e246bd30bdac4e.jpg?v=1791714492 Oseltamivir EP Impurity G, 99.90% | 956267-10-0 Oseltamivir EP Impurity G|C4X-17207|956267-10-0 https://www.jk-sci.com/products/s57c4x-172085 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6ff1637-57f4-4464-ae2d-e9de68a98eb7.png?v=1791714485 Oseltamivir Impurity 85, Purity: 99.4% Oseltamivir Impurity 85|C4X-172085 https://www.jk-sci.com/products/ts246cs-0050477 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69c406fd29e2d6365334dfa7470bdae2.jpg?v=1791680396 5-Fluoro-4-iodopyridin-2-amine, 97% | 1649470-53-0 5-Fluoro-4-iodopyridin-2-amine|CS-0050477|1649470-53-0 https://www.jk-sci.com/products/s57c4x-17208 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/395867.png?v=1791714488 Oseltamivir Intermediate 8, 99.70% | 204254-96-6 Oseltamivir Intermediate 8|C4X-17208|204254-96-6 https://www.jk-sci.com/products/ts246cs-0050563 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2bd7573dff0f6ca6f08cb91207675df.jpg?v=1791680345 5-Bromo-N3,N3-dimethylpyridine-2,3-diamine, 99.91%+ | 1335059-07-8 5-Bromo-N3,N3-dimethylpyridine-2,3-diamine|CS-0050563|1335059-07-8 https://www.jk-sci.com/products/ts246cs-0050450 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d708ca7b0fd9b3224e03cf5f2683578.jpg?v=1791680411 5-Methoxy-1H-pyrazol-3-amine hydrochloride, 98% | 110884-53-2 5-Methoxy-1H-pyrazol-3-amine hydrochloride|CS-0050450|110884-53-2 https://www.jk-sci.com/products/ts246cs-0050503 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7df2368f03644f16f0d3768ff6d50276.jpg?v=1791680382 5-Cyano-6-methyl indole, 96% | 1000343-22-5 5-Cyano-6-methyl indole|CS-0050503|1000343-22-5 https://www.jk-sci.com/products/ts246cs-0050592 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b50fc9931865915b9aaa62ce56edfcc.jpg?v=1791680330 5-Bromo-4-chloro-1H-pyrazolo[3,4-b]pyridine, 97% | 1034769-88-4 5-Bromo-4-chloro-1H-pyrazolo[3,4-b]pyridine|CS-0050592|1034769-88-4 https://www.jk-sci.com/products/ts246cs-0050768 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc91cf48f5a547545c92b9c778643946.jpg?v=1791680232 5-(Aminomethyl)-1-methylpyridin-2(1H)-one hydrochloride, 97% | 1891129-86-4 5-(Aminomethyl)-1-methylpyridin-2(1H)-one hydrochloride|CS-0050768|1891129-86-4 https://www.jk-sci.com/products/ts246cs-0050784 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5836c56ec9a467f568ad330d072d88f.jpg?v=1791680219 4-Phenylthiazolidin-2-one, 97% | 63615-85-0 4-Phenylthiazolidin-2-one|CS-0050784|63615-85-0 https://www.jk-sci.com/products/ts246cs-0050628 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76aca3e42cf2476e9ad8f4199e3d20f8.jpg?v=1791680296 5-Bromo-2-chloro-4-(propan-2-yloxy)pyrimidine, 98% | 1289215-25-3 5-Bromo-2-chloro-4-(propan-2-yloxy)pyrimidine|CS-0050628|1289215-25-3 https://www.jk-sci.com/products/ts246cs-0050603 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111725.png?v=1791680316 5-Bromo-3-chloro-1H-indazole, 98% | 36760-19-7 5-Bromo-3-chloro-1H-indazole|CS-0050603|36760-19-7 https://www.jk-sci.com/products/s57c4x-17209 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536305.png?v=1791714477 Oseltamivir EP Impurity H, 92.60% | 814-29-9 Oseltamivir EP Impurity H|C4X-17209|814-29-9 https://www.jk-sci.com/products/s57c4x-172087 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dab604e8-5dce-49ce-8bcc-bad8e1ce24e3.png?v=1791714481 Oseltamivir Impurity 87 HCI, Purity: 96.8% Oseltamivir Impurity 87 HCI|C4X-172087 https://www.jk-sci.com/products/ts246cs-0050692 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75197a2962aded744a5e7d196fb7393e.jpg?v=1791680257 5-Amino-1-methylpiperidin-2-one hydrochloride, 95% | 1228838-10-5 5-Amino-1-methylpiperidin-2-one hydrochloride|CS-0050692|1228838-10-5 https://www.jk-sci.com/products/ts246cs-0050837 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e46ffde6da266cef35c9b181a727d6c6.jpg?v=1791680191 4-Hydroxy-3-methoxy-5-methylbenzonitrile, 97% | 173900-47-5 4-Hydroxy-3-methoxy-5-methylbenzonitrile|CS-0050837|173900-47-5 https://www.jk-sci.com/products/s57c4x-172097 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3bee44cf-bc91-4ed5-befd-d0cba0b7ffe0.png?v=1791714476 Oseltamivir Impurity 97, 86.90% Oseltamivir Impurity 97|C4X-172097 https://www.jk-sci.com/products/ts246cs-0050946 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2018ccf4c6fa2810714a005ca55d72c2.jpg?v=1791680142 4-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid, 95% | 1000340-37-3 4-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid|CS-0050946|1000340-37-3 https://www.jk-sci.com/products/ts246cs-0050928 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6fb61990c608da39cce164ac7ec6d45.jpg?v=1791680157 Pantoprazole impurity 42, 99.88%+ | 107512-34-5 Pantoprazole impurity 42|CS-0050928|107512-34-5 https://www.jk-sci.com/products/ts246cs-0051013 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236033.png?v=1791680080 4-Bromo-1H-indole-6-carboxylic acid, 98% | 374633-27-9 4-Bromo-1H-indole-6-carboxylic acid|CS-0051013|374633-27-9 https://www.jk-sci.com/products/ts246cs-0050998 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c77af94c85cbcc053c659a89042e6f92.jpg?v=1791680100 4-Bromo-3-(propan-2-yl)-1H-pyrazole, 97% | 60061-60-1 4-Bromo-3-(propan-2-yl)-1H-pyrazole|CS-0050998|60061-60-1 https://www.jk-sci.com/products/ts246cs-0050956 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258389.png?v=1791680137 4-Chloro-1,5-naphthyridine, 97% | 7689-63-6 4-Chloro-1,5-naphthyridine|CS-0050956|7689-63-6 https://www.jk-sci.com/products/ts246cs-0050968 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf0f3d49eb4ba2ec1de52ac98c2ae020.jpg?v=1791680126 4-Bromo-7-methyl-1H-Pyrrolo[2,3-c]pyridine, 98% | 1257294-43-1 4-Bromo-7-methyl-1H-Pyrrolo[2,3-c]pyridine|CS-0050968|1257294-43-1 https://www.jk-sci.com/products/ts246cs-0051026 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a431620fb7528a175ea66b35f9485e05.jpg?v=1791680072 4-Bromo-1-(oxetan-3-yl)-1H-pyrazole, 99.07%+ | 1374657-02-9 4-Bromo-1-(oxetan-3-yl)-1H-pyrazole|CS-0051026|1374657-02-9 https://www.jk-sci.com/products/ts246cs-0048698 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0e04d5928a05963f48d61887cd606ed.jpg?v=1791681185 Spiro[2.3]hexan-5-one, 97% | 20061-22-7 Spiro[2.3]hexan-5-one|CS-0048698|20061-22-7 https://www.jk-sci.com/products/ts246cs-0049270 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5e5ab8e916ca78a14f309e1b45c8530.jpg?v=1791680900 Methyl 1-(4-bromophenyl)cyclobutane-1-carboxylate, 98% | 1236357-65-5 Methyl 1-(4-bromophenyl)cyclobutane-1-carboxylate|CS-0049270|1236357-65-5 https://www.jk-sci.com/products/ts246cs-0049552 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d36883c9352573f6efa6304298e25fa.jpg?v=1791680794 Ethyl 1H-pyrrolo[2,3-c]pyridine-2-carboxylate, 97% | 24334-19-8 Ethyl 1H-pyrrolo[2,3-c]pyridine-2-carboxylate|CS-0049552|24334-19-8 https://www.jk-sci.com/products/ts246cs-0049777 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae10167f5bb6465d8b70d7f027b10983.jpg?v=1791680713 Bicyclo[4.1.0]heptan-2-one, 96% | 5771-58-4 Bicyclo[4.1.0]heptan-2-one|CS-0049777|5771-58-4 https://www.jk-sci.com/products/ts246cs-0050248 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438da0992109123cd5faa1192d564e14.jpg?v=1791680525 6-Bromopyrrolo[2,1-f][1,2,4]triazin-4-amine, 99.80%+ | 937047-06-8 6-Bromopyrrolo[2,1-f][1,2,4]triazin-4-amine|CS-0050248|937047-06-8 https://www.jk-sci.com/products/ts246cs-0050099 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601554475fe15a07f77ff6463629cbb9.jpg?v=1791680587 7-Bromo-1H-pyrazolo[4,3-c]pyridine, 97% | 1256821-58-5 7-Bromo-1H-pyrazolo[4,3-c]pyridine|CS-0050099|1256821-58-5 https://www.jk-sci.com/products/ts246cs-0050363 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278f65a2768dde00bfdc1f4b84d05878.jpg?v=1791680448 6,7-Dichloro-1H-indole, 98% | 57817-08-0 6,7-Dichloro-1H-indole|CS-0050363|57817-08-0 https://www.jk-sci.com/products/ts246cs-0050494 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86888f45d6a0efe22c05774c6e83d1c7.jpg?v=1791680387 5-Ethynyl-2-methoxypyridine, 97% | 663955-59-7 5-Ethynyl-2-methoxypyridine|CS-0050494|663955-59-7 https://www.jk-sci.com/products/s57c4x-17235 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b29fec1072bdbaee9f49e986aa014e96.jpg?v=1791714472 Oxymetazoline EP Impurity D, 96.90% | 55699-12-2 Oxymetazoline EP Impurity D|C4X-17235|55699-12-2 https://www.jk-sci.com/products/ts246cs-0050577 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dcc974ab7af293f228e647a0528fe66b.jpg?v=1791680340 5-Bromo-6-fluoro-1-methyl-1H-indazole, 98% | 1185767-06-9 5-Bromo-6-fluoro-1-methyl-1H-indazole|CS-0050577|1185767-06-9 https://www.jk-sci.com/products/ts246cs-0050606 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffe2ce80df24a85a5bb07342c2419f89.jpg?v=1791680315 5-Bromo-3,3-dimethyl-2,3-dihydro-1h-indol-2-one, 97% | 120902-45-6 5-Bromo-3,3-dimethyl-2,3-dihydro-1h-indol-2-one|CS-0050606|120902-45-6 https://www.jk-sci.com/products/ts246cs-0050704 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113509_4a3e7afd-393d-4866-b671-2502dd8d4270.png?v=1791680255 5-((tert-Butoxycarbonyl)amino)-2-methoxyisonicotinic acid, 98.68%+ | 183741-86-8 5-((tert-Butoxycarbonyl)amino)-2-methoxyisonicotinic acid|CS-0050704|183741-86-8 https://www.jk-sci.com/products/ts246cs-0050793 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a30821cfc30d36334c0a17a9ca4bd15e.jpg?v=1791680211 4-Nitroindolin-2-one, 96% | 61394-51-2 4-Nitroindolin-2-one|CS-0050793|61394-51-2 https://www.jk-sci.com/products/ts246cs-0051010 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a910a5586b9a8f8c7fed25624e20a44.jpg?v=1791680086 4-Bromo-1H-pyrrolo[2,3-b]pyridine-2-carbaldehyde, 97% | 1367950-82-0 4-Bromo-1H-pyrrolo[2,3-b]pyridine-2-carbaldehyde|CS-0051010|1367950-82-0 https://www.jk-sci.com/products/ts246cs-0050942 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615144_59fb4bab-3d3c-49c2-b689-3484e3f7829d.png?v=1791680146 4-Chloro-2-(methylsulfanyl)pyrazolo[1,5-a][1,3,5]triazine, 96% | 54346-19-9 4-Chloro-2-(methylsulfanyl)pyrazolo[1,5-a][1,3,5]triazine|CS-0050942|54346-19-9 https://www.jk-sci.com/products/ts246cs-0050966 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adbe978bf800d8e4c39e69dfdd47126a.jpg?v=1791680126 4-Bromo-7-nitro-1H-indazole, 97% | 1190319-86-8 4-Bromo-7-nitro-1H-indazole|CS-0050966|1190319-86-8 https://www.jk-sci.com/products/s57c4x-1724100 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c0dc95d1-5886-444a-a016-e784753149cb.png?v=1791714460 Paliperidone Impurity 100, 91.60% Paliperidone Impurity 100|C4X-1724100 https://www.jk-sci.com/products/ts246cs-0051031 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c73e71ef3e68500520767afd502ecf7.jpg?v=1791680067 4-Aminothieno[3,2-d]pyrimidine-7-carboxylic acid, 97.00%+ | 1318242-98-6 4-Aminothieno[3,2-d]pyrimidine-7-carboxylic acid|CS-0051031|1318242-98-6 https://www.jk-sci.com/products/ts246cs-0051043 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00a3c42d8444970425971eeb11104199.jpg?v=1791680061 4-Amino-6-fluoro-1H-pyridin-2-one, 96.47%+ | 105252-99-1 4-Amino-6-fluoro-1H-pyridin-2-one|CS-0051043|105252-99-1 https://www.jk-sci.com/products/ts246cs-0051168 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d050d14fdb4f076d4e59b91fd1d25e5c.jpg?v=1791679995 4-(Chloromethyl)-5-cyclopropyl-3-(2,6-dichlorophenyl)-1,2-oxazole, 99.05%+ | 1268245-50-6 4-(Chloromethyl)-5-cyclopropyl-3-(2,6-dichlorophenyl)-1,2-oxazole|CS-0051168|1268245-50-6 https://www.jk-sci.com/products/s57c4x-1724110 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a25847d-0838-4324-ae41-0fb679a72e56.png?v=1791714460 Paliperidone Impurity 110 HCl, 97.20% Paliperidone Impurity 110 HCl|C4X-1724110 https://www.jk-sci.com/products/s57c4x-172421 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bcae48b648e97ea821d5facd411bf11.jpg?v=1791714455 Paliperidone-d4, Purity>95% | 1020719-55-4 Paliperidone-d4|C4X-172421|1020719-55-4 https://www.jk-sci.com/products/s57c4x-172423 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124b1e925a77b416f47ebdfe9ad56cce.jpg?v=1791714450 Paliperidone Related Compound A, 98.10% | 849903-79-3 Paliperidone Related Compound A|C4X-172423|849903-79-3 https://www.jk-sci.com/products/ts246cs-0051071 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc30eb695fdff10fcbf8fae88ef76007.jpg?v=1791680047 4-((tert-Butoxycarbonyl)amino)-1H-pyrazole-3-carboxylic acid, 95% | 896466-71-0 4-((tert-Butoxycarbonyl)amino)-1H-pyrazole-3-carboxylic acid|CS-0051071|896466-71-0 https://www.jk-sci.com/products/ts246cs-0051135 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/652159aeb1ba5e5f644a862241690617.jpg?v=1791680022 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one, 97.00%+ | 765948-78-5 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one|CS-0051135|765948-78-5 https://www.jk-sci.com/products/ts246cs-0047758 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8876a5b173ee059a636209fa33258449_5d6f7890-0918-444a-8c82-ea5199c7e46d.jpg?v=1791681654 trans-4-Aminocyclohexanemethanol hydrochloride, 97% | 1504-49-0 trans-4-Aminocyclohexanemethanol hydrochloride|CS-0047758|1504-49-0 https://www.jk-sci.com/products/ts246cs-0051306 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8eee286a8c3717512f9d310fd54a3c0.jpg?v=1791679934 3-Iodo-6-methylpyridazine, 95% | 1618-47-9 3-Iodo-6-methylpyridazine|CS-0051306|1618-47-9 https://www.jk-sci.com/products/ts246cs-0051323 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6f6935d51ec091220ab8e787be25917.jpg?v=1791679923 3-Iodo-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile, 96.00%+ | 1638764-68-7 3-Iodo-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile|CS-0051323|1638764-68-7 https://www.jk-sci.com/products/ts246cs-0051368 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/372674_fe54467f-8105-4234-adbf-71d0b88eebf1.png?v=1791679888 3-Fluoro-2-(trifluoromethyl)pyridine-4-carboxylic acid, 98% | 886510-09-4 3-Fluoro-2-(trifluoromethyl)pyridine-4-carboxylic acid|CS-0051368|886510-09-4 https://www.jk-sci.com/products/s57c4x-172429 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c1285d0e87c1ee7375dc4467ddae727.jpg?v=1791714450 Paliperidone relatedcompound D, 90.60% | 761460-08-6 Paliperidone relatedcompound D|C4X-172429|761460-08-6 https://www.jk-sci.com/products/ts246cs-0051224 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/646759c15d34e772aaa48744e1df87b4.jpg?v=1791679974 3-Phenylcyclobutan-1-amine, 97% | 90874-41-2 3-Phenylcyclobutan-1-amine|CS-0051224|90874-41-2 https://www.jk-sci.com/products/ts246cs-0051337 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc201dc88429fafa1e7e4869bfa93c51.jpg?v=1793049547 3-Hydroxycyclobutan-1-one, 97.00%+ | 15932-93-1 3-Hydroxycyclobutan-1-one|CS-0051337|15932-93-1 https://www.jk-sci.com/products/ts246cs-0049501 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115c78d9fae10835abe1c21d2efe40f8.jpg?v=1791680829 Ethyl 2-oxohexanoate, 95% | 5753-96-8 Ethyl 2-oxohexanoate|CS-0049501|5753-96-8 https://www.jk-sci.com/products/s57c4x-172432 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_780e3f3a-ae0c-4da9-86c8-98a454ac3cba.png?v=1791714442 Paliperidone Impurity 32, 95.20% | 1404053-61-7 Paliperidone Impurity 32|C4X-172432|1404053-61-7 https://www.jk-sci.com/products/ts246cs-0049968 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65c2dc3fe66b2df0306cd8614c1133bd.jpg?v=1791680658 8-Boc-2-oxo-8-azabicyclo[3.2.1]octane, 97% | 1408076-39-0 8-Boc-2-oxo-8-azabicyclo[3.2.1]octane|CS-0049968|1408076-39-0 https://www.jk-sci.com/products/s57c4x-172437 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3daac3bedb5d8427c279de93d5a511e.jpg?v=1791714438 Paliperidone Impurity 37, 99.00% | 4403-49-0 Paliperidone Impurity 37|C4X-172437|4403-49-0 https://www.jk-sci.com/products/ts246cs-0050323 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b746ca08cacbdba5c2ba4b80f45f6fa.jpg?v=1791680469 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid, 97% | 1159831-86-3 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid|CS-0050323|1159831-86-3 https://www.jk-sci.com/products/s57c4x-172444 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5328df3984db8aea280e35f7144df965.jpg?v=1791714437 Paliperidone Impurity 44, 99.20% | 118873-18-0 Paliperidone Impurity 44|C4X-172444|118873-18-0 https://www.jk-sci.com/products/ts246cs-0050541 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15d0c9c5f83cf198fd8aaefc7e8fa946.jpg?v=1791680362 5-Chloro-1H-pyrazol-3-amine, 95% | 916211-79-5 5-Chloro-1H-pyrazol-3-amine|CS-0050541|916211-79-5 https://www.jk-sci.com/products/s57c4x-172445 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e27f261557514d65dcea843410562b80.jpg?v=1791714433 Paliperidone Palmitate, 99.20% | 199739-10-1 Paliperidone Palmitate|C4X-172445|199739-10-1 https://www.jk-sci.com/products/s57c4x-17245 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b265f5f672dfe3eb58853fe521baa777.jpg?v=1791714431 Paliperidone Impurity 5, 93.00% | 152542-03-5 Paliperidone Impurity 5|C4X-17245|152542-03-5 https://www.jk-sci.com/products/ts246cs-0050975 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2912039c2dd38d6a7ddf903b3ffd526d.jpg?v=1791680121 4-Bromo-7-(trifluoromethyl)-1H-indazole, 98% | 1186334-79-1 4-Bromo-7-(trifluoromethyl)-1H-indazole|CS-0050975|1186334-79-1 https://www.jk-sci.com/products/ts246cs-0050640 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e10fb99a0a507fefca465b903440196b.jpg?v=1791680290 5-Bromo-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid, 98% | 846048-15-5 5-Bromo-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid|CS-0050640|846048-15-5 https://www.jk-sci.com/products/ts246cs-0050877 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edea2be8e97440401793593b26fa9164.jpg?v=1791680181 rel-(1R,6R)-6-(methoxycarbonyl)cyclohex-3-ene-1-carboxylic acid, 98% | 31139-03-4 rel-(1R,6R)-6-(methoxycarbonyl)cyclohex-3-ene-1-carboxylic acid|CS-0050877|31139-03-4 https://www.jk-sci.com/products/ts246cs-0051040 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b98c3fddec46aeb1bbf889d08801b70.jpg?v=1791680062 4-Amino-6-methylpyridine-3-carbonitrile, 98% | 886371-97-7 4-Amino-6-methylpyridine-3-carbonitrile|CS-0051040|886371-97-7 https://www.jk-sci.com/products/ts246cs-0051103 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1fe71225b7a1d76fc64df14162a9f84.jpg?v=1791680041 4,6-Dichloro-1-methyl-1h-pyrazolo[3,4-b]pyridine, 98% | 1227089-74-8 4,6-Dichloro-1-methyl-1h-pyrazolo[3,4-b]pyridine|CS-0051103|1227089-74-8 https://www.jk-sci.com/products/ts246cs-0051211 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e437bc9bba64d4d2f30e6500a2158da.jpg?v=1793049547 (3R,4R)-rel-3-Methylpiperidin-4-ol hydrochloride, 97% | 955028-91-8 (3R,4R)-rel-3-Methylpiperidin-4-ol hydrochloride|CS-0051211|955028-91-8 https://www.jk-sci.com/products/ts246cs-0051311 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791392.png?v=1791679934 3-Iodo-4-methoxy-1H-pyrrolo[2,3-b]pyridine, 97.00%+ | 928653-75-2 3-Iodo-4-methoxy-1H-pyrrolo[2,3-b]pyridine|CS-0051311|928653-75-2 https://www.jk-sci.com/products/ts246cs-0051349 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37affec5f266f43fb5daa5f34d0f98a0.jpg?v=1791679897 Pyrido[4,3-d]pyrimidin-4(3H)-one, 95% | 16952-64-0 Pyrido[4,3-d]pyrimidin-4(3H)-one|CS-0051349|16952-64-0 https://www.jk-sci.com/products/ts246cs-0051432 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534682_a1cde7ba-6fe3-48a8-accc-51b109dea8ee.png?v=1791679847 3-Bromopyridine-2,6-diamine, 97% | 54903-86-5 3-Bromopyridine-2,6-diamine|CS-0051432|54903-86-5 https://www.jk-sci.com/products/ts246cs-0051439 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb5f0b90ad9155cf5835eec69c6c295f.jpg?v=1791679847 3-Bromoimidazo[1,2-a]pyrazin-8-amine, 96% | 117718-92-0 3-Bromoimidazo[1,2-a]pyrazin-8-amine|CS-0051439|117718-92-0 https://www.jk-sci.com/products/ts246cs-0051471 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4acafe8292e3bb8977344c4d3b16a2a.jpg?v=1791679810 3-Bromo-4-methoxy-1H-pyrrolo[2,3-b]pyridine, 98% | 1053655-78-9 3-Bromo-4-methoxy-1H-pyrrolo[2,3-b]pyridine|CS-0051471|1053655-78-9 https://www.jk-sci.com/products/ts246cs-0051500 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd3ff053c4fee292709d595e03f9f1f9.jpg?v=1791679796 3-Bromo-1-(oxan-2-yl)-1h-pyrazole, 98% | 1044270-96-3 3-Bromo-1-(oxan-2-yl)-1h-pyrazole|CS-0051500|1044270-96-3 https://www.jk-sci.com/products/ts246cs-0051592 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1faab3c726e5331ceb47e0b25873222c.jpg?v=1791679759 3,6-Dihydro-2h-pyran-4-carbonitrile, 97% | 105772-13-2 3,6-Dihydro-2h-pyran-4-carbonitrile|CS-0051592|105772-13-2 https://www.jk-sci.com/products/ts246cs-0051648 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c08b29fc85f594432fae7c9f15c1c426.jpg?v=1791679719 3-(Trifluoromethyl)azetidine hydrochloride, 95% | 1221272-90-7 3-(Trifluoromethyl)azetidine hydrochloride|CS-0051648|1221272-90-7 https://www.jk-sci.com/products/ts246cs-0051744 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131610.png?v=1791679690 3-(4-Chlorophenyl)-1,2-oxazole-5-carboxylic acid, 97% | 338982-11-9 3-(4-Chlorophenyl)-1,2-oxazole-5-carboxylic acid|CS-0051744|338982-11-9 https://www.jk-sci.com/products/ts246cs-0051724 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2000b2f74c8271d31534bd9b9ac9fa1.jpg?v=1791679695 3-(Benzylamino)oxetane-3-carbonitrile, 97% | 138650-20-1 3-(Benzylamino)oxetane-3-carbonitrile|CS-0051724|138650-20-1 https://www.jk-sci.com/products/ts246cs-0051831 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4e7774f8456c5a98a59ddd4a089058d.jpg?v=1791679658 2-Methylpiperidine-2-carboxylic acid hydrochloride, 97% | 1094072-12-4 2-Methylpiperidine-2-carboxylic acid hydrochloride|CS-0051831|1094072-12-4 https://www.jk-sci.com/products/ts246cs-0051846 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5252a7ebf1e80f3f3dfffda8ba5b4b82.jpg?v=1791679653 2-Methyl-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole, 95.00%+ | 1204580-79-9 2-Methyl-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole|CS-0051846|1204580-79-9 https://www.jk-sci.com/products/ts246cs-0051895 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e2813f053952abfa9102ae352acd21e.jpg?v=1791679623 2-Hydroxy-4-(trifluoromethyl)benzaldehyde, 98% | 58914-34-4 2-Hydroxy-4-(trifluoromethyl)benzaldehyde|CS-0051895|58914-34-4 https://www.jk-sci.com/products/ts246cs-0051935 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b758cc0e71597450abd186d9a3efd63.jpg?v=1793049527 2-Chloro-6-hydroxybenzonitrile, 97% | 89999-90-6 2-Chloro-6-hydroxybenzonitrile|CS-0051935|89999-90-6 https://www.jk-sci.com/products/s57c4x-172461 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481dd20b70a3ecb259ce5e808337e2f9.jpg?v=1791714428 Paliperidone Impurity 61, 90.80% | 1138463-56-5 Paliperidone Impurity 61|C4X-172461|1138463-56-5 https://www.jk-sci.com/products/ts246cs-0051953 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8605bd72c26536891957cc7a4928bb68.jpg?v=1791679591 2-Chloro-5-fluoropyridine-3-carbonitrile, 98% | 791644-48-9 2-Chloro-5-fluoropyridine-3-carbonitrile|CS-0051953|791644-48-9 https://www.jk-sci.com/products/ts246cs-0049675 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378216.png?v=1791680754 cis-4-Hydroxycyclohexanecarboxylic acid, 97% | 3685-22-1 cis-4-Hydroxycyclohexanecarboxylic acid|CS-0049675|3685-22-1 https://www.jk-sci.com/products/ts246cs-0050774 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449a32bb1be8a3ae7d09f03d99cd495f.jpg?v=1791680228 5-(3,3-Dimethylcyclobutyl)-1H-pyrazol-3-amine, 95% | 1853338-91-6 5-(3,3-Dimethylcyclobutyl)-1H-pyrazol-3-amine|CS-0050774|1853338-91-6 https://www.jk-sci.com/products/ts246cs-0051024 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c24c2a21745d69d45faeaff4a25ad623.jpg?v=1793049548 4-Bromo-1,1-difluorocyclohexane, 98% | 1196156-51-0 4-Bromo-1,1-difluorocyclohexane|CS-0051024|1196156-51-0 https://www.jk-sci.com/products/ts246cs-0050472 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b3d7c56ffc3c73c71c90ad3e4b8122.jpg?v=1791680402 5-Fluorothiophene-2-carbonitrile, 98% | 32415-91-1 5-Fluorothiophene-2-carbonitrile|CS-0050472|32415-91-1 https://www.jk-sci.com/products/s57c4x-172467 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7ecf36cc-ca90-4cde-aa31-449999927223.png?v=1791714422 Paliperidone Impurity 67, Purity: 99.3% Paliperidone Impurity 67|C4X-172467 https://www.jk-sci.com/products/ts246cs-0051136 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329565.png?v=1791680022 4-Isopropoxyaniline, 97% | 7664-66-6 4-Isopropoxyaniline|CS-0051136|7664-66-6 https://www.jk-sci.com/products/s57c4x-172479 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0befb3cce3de73a547ea45ba96a9bcb.jpg?v=1791714420 Paliperidone Impurity 79, 99.50% | 2416230-38-9 Paliperidone Impurity 79|C4X-172479|2416230-38-9 https://www.jk-sci.com/products/ts246cs-0051336 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/738640d018cf49df4c28540353bd9e73.jpg?v=1791679908 3-Hydroxycyclobutane-1-carbonitrile, 97% | 20249-17-6 3-Hydroxycyclobutane-1-carbonitrile|CS-0051336|20249-17-6 https://www.jk-sci.com/products/ts246cs-0051431 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/336918_df0979a8-b31f-4b15-9bc4-177515a8741a.png?v=1791679857 3-Bromoquinolin-4-ol, 97% | 64965-47-5 3-Bromoquinolin-4-ol|CS-0051431|64965-47-5 https://www.jk-sci.com/products/s57c4x-172499 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0238cb2-1df1-463f-9971-03dd3d07436e.png?v=1791714415 Paliperidone Impurity 99, 96.40% Paliperidone Impurity 99|C4X-172499 https://www.jk-sci.com/products/s57c4x-172519 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590399_c5bca03d-b25a-404b-8fc2-3fa88fe451d4.png?v=1791714410 Pazopanib Impurity 19, 99.20% | 6973-09-7 Pazopanib Impurity 19|C4X-172519|6973-09-7 https://www.jk-sci.com/products/ts246cs-0051467 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78fd3d4a08a4844f9742686ed59b7a95.jpg?v=1791679815 3-Bromo-5-fluoro-1H-pyrazolo[3,4-b]pyridine, 98.00%+ | 1256822-80-6 3-Bromo-5-fluoro-1H-pyrazolo[3,4-b]pyridine|CS-0051467|1256822-80-6 https://www.jk-sci.com/products/ts246cs-0051528 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35ebd87ed603f26dfe42276c4f72d079.jpg?v=1791679785 Ethyl 3-benzyl-3-azabicyclo[3.1.0]hexane-1-carboxylate, 95% | 63618-07-5 Ethyl 3-benzyl-3-azabicyclo[3.1.0]hexane-1-carboxylate|CS-0051528|63618-07-5 https://www.jk-sci.com/products/s57c4x-172524 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb16ecf134ba1c3c918c031d6e29c717.jpg?v=1791714407 Pazopanib Impurity 24, Purity: 98.0% | 444731-74-2 Pazopanib Impurity 24|C4X-172524|444731-74-2 https://www.jk-sci.com/products/ts246cs-0051608 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/917b372952d99988adc94bf8db595ac0.jpg?v=1791679744 3,4-Dichloropyridin-2-amine, 98% | 188577-69-7 3,4-Dichloropyridin-2-amine|CS-0051608|188577-69-7 https://www.jk-sci.com/products/s57c4x-172538 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf645c269bc035609e8a65483d804fb8.jpg?v=1791714405 Pazopanib Impurity 38, Purity: 99.7% | 1252927-47-1 Pazopanib Impurity 38|C4X-172538|1252927-47-1 https://www.jk-sci.com/products/ts246cs-0051726 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8e6eee15b6a229249644f7daa9eb939.jpg?v=1791679695 3-(Aminomethyl)oxetan-3-ol, 97% | 1305208-47-2 3-(Aminomethyl)oxetan-3-ol|CS-0051726|1305208-47-2 https://www.jk-sci.com/products/s57c4x-17255 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254ddea926a2b7200bed03f7ba11513f.jpg?v=1791714399 Pazopanib Impurity 5, 99.50% | 1226499-97-3 Pazopanib Impurity 5|C4X-17255|1226499-97-3 https://www.jk-sci.com/products/ts246cs-0051833 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3f42caea49578d77fdddebc1f8fd082.jpg?v=1791679657 2-Methyloxetan-3-one, 98% | 87385-83-9 2-Methyloxetan-3-one|CS-0051833|87385-83-9 https://www.jk-sci.com/products/ts246cs-0051910 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aaf0be3e2983b51e951a261f467fdd5.jpg?v=1791679623 2-Ethylpyrimidin-5-amine, 97% | 1152519-74-8 2-Ethylpyrimidin-5-amine|CS-0051910|1152519-74-8 https://www.jk-sci.com/products/s57c4x-17259 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e076a1fe25c6f0f9716cf4097b043eaf.jpg?v=1791714399 Pazopanib Impurity 9, 99.80% | 444731-72-0 Pazopanib Impurity 9|C4X-17259|444731-72-0 https://www.jk-sci.com/products/ts246cs-0051991 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7db8d2b6da85d2ef4bea187759386c0e.jpg?v=1793049522 2-Bromo-5-methylpyrazine, 96% | 98006-90-7 2-Bromo-5-methylpyrazine|CS-0051991|98006-90-7 https://www.jk-sci.com/products/ts246cs-0051977 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c624d7d625c5a105dea97bc5f6b12e4.jpg?v=1791679576 2-Chloro-3,5-diiodopyridin-4-amine, 96.55%+ | 1171919-00-8 2-Chloro-3,5-diiodopyridin-4-amine|CS-0051977|1171919-00-8 https://www.jk-sci.com/products/s57c4x-163331 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77950001-a8c2-4908-bc1f-33a162b0f4c8.png?v=1791715395 Ertapenem Impurity 31, 90.60% Ertapenem Impurity 31|C4X-163331 https://www.jk-sci.com/products/ts246cs-0052117 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121043377cc8c72b49592e4e560f0c3b.jpg?v=1791679510 (S)-2-(Pyrrolidin-3-yl)acetic acid, 97% | 122442-02-8 (S)-2-(Pyrrolidin-3-yl)acetic acid|CS-0052117|122442-02-8 https://www.jk-sci.com/products/ts246cs-0052007 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3a44b946c80f84dfef3bc63bba5f94f.jpg?v=1791679556 2-Bromo-3,5,6-trifluoropyridine, 98% | 1186194-66-0 2-Bromo-3,5,6-trifluoropyridine|CS-0052007|1186194-66-0 https://www.jk-sci.com/products/ts246cs-0052004 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64e91f8c4521f1f0e5f557da7074c56d.jpg?v=1791679561 2-Bromo-4-chloro-3-methylpyridine, 96% | 1211521-46-8 2-Bromo-4-chloro-3-methylpyridine|CS-0052004|1211521-46-8 https://www.jk-sci.com/products/s57c4x-172621 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cdd817cc48a7fa805dcf91b08f929ec.jpg?v=1791714388 Pemetrexed Impurity 21, 92.20% | 1001-19-0 Pemetrexed Impurity 21|C4X-172621|1001-19-0 https://www.jk-sci.com/products/s57c4x-154248 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/965f2ae130ac82f6fe788a5aaeebf4e5.jpg?v=1791716009 Amorolfine Impurity 48, 96.80% | 860556-27-0 Amorolfine Impurity 48|C4X-154248|860556-27-0 https://www.jk-sci.com/products/ts246cs-0052055 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25ac9615bc39ad814667dd14e9333ff4.jpg?v=1791679537 2-Amino-5-bromo-4-methylpyridine-3-carbonitrile, 96% | 180994-87-0 2-Amino-5-bromo-4-methylpyridine-3-carbonitrile|CS-0052055|180994-87-0 https://www.jk-sci.com/products/ts246cs-0052336 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d94644b008262db6570b1a836e6b6545.jpg?v=1791679421 2-((((Benzyloxy)carbonyl)amino)methyl)thiazole-5-carboxylic acid, 98% | 1095823-37-2 2-((((Benzyloxy)carbonyl)amino)methyl)thiazole-5-carboxylic acid|CS-0052336|1095823-37-2 https://www.jk-sci.com/products/s57c4x-162913 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404850_6fe7a8d3-d66b-4ab2-9e1f-01dc7cffc03e.png?v=1791715453 Entacapone EP Impurity A (cis-Entacapone), 98.20% | 145195-63-7 Entacapone EP Impurity A (cis-Entacapone)|C4X-162913|145195-63-7 https://www.jk-sci.com/products/s57c4x-164615 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f94a5fadc83abfc62dee64f40c8cc48_2b39efc2-4756-46bc-b481-9bc377c81d01.jpg?v=1791715332 Fingolimod Impurity 15, Purity: 100.0% | 374077-88-0 Fingolimod Impurity 15|C4X-164615|374077-88-0 https://www.jk-sci.com/products/s57c4x-172611 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49233d24759f50dce1dc7dba501d9938.jpg?v=1791714394 Pemetrexed Impurity 11, Purity: 99.4% | 778-29-0 Pemetrexed Impurity 11|C4X-172611|778-29-0 https://www.jk-sci.com/products/ts246cs-0052362 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb7181a86e5be06d74ac41ac9669a2cd.jpg?v=1791679406 1-tert-Butyl 4-ethyl 4-(aminomethyl)piperidine-1,4-dicarboxylate, 95% | 1016258-69-7 1-tert-Butyl 4-ethyl 4-(aminomethyl)piperidine-1,4-dicarboxylate|CS-0052362|1016258-69-7 https://www.jk-sci.com/products/s57c4x-16079 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e058fc4e20025ea1717631ce0c4500d1_2b23ec5a-b9e9-4257-b563-83bea2a58fe7.jpg?v=1791715594 Dasatinib Dichloro Impurity, 92.70% | 302964-08-5 Dasatinib Dichloro Impurity|C4X-16079|302964-08-5 https://www.jk-sci.com/products/s57c4x-165043 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244d8cb7c886e24e51cf578851f8ebbe.jpg?v=1791715278 Fluticasone Propionate CP Impurity X, 98.60% | 1648562-63-3 Fluticasone Propionate CP Impurity X|C4X-165043|1648562-63-3 https://www.jk-sci.com/products/ts246cs-0052392 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db76255616f3f2c1fd79c16bf063ee2f.jpg?v=1791679395 1-tert-Butyl 2-methyl (2S,3R)-3-hydroxypyrrolidine-1,2-dicarboxylate, 97% | 130966-46-0 1-tert-Butyl 2-methyl (2S,3R)-3-hydroxypyrrolidine-1,2-dicarboxylate|CS-0052392|130966-46-0 https://www.jk-sci.com/products/s57c4x-16207 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef1002191bcab6805baf67447dc5be3e.jpg?v=1791715530 Dolutegravir Sodium Salt, 95.40% | 1051375-19-9 Dolutegravir Sodium Salt|C4X-16207|1051375-19-9 https://www.jk-sci.com/products/s57c4x-156617 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87fcc5759cb3f899ae03125402827d03.jpg?v=1791715880 Brimonidine Impurity 17, 92.70% | 134892-47-0 Brimonidine Impurity 17|C4X-156617|134892-47-0 https://www.jk-sci.com/products/s57c4x-15862 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23c6f6b1e571a3bcfc282650b1c54cd5.jpg?v=1791715751 Cholecalciferol EP Impurity B, 95.70% | 434-16-2 Cholecalciferol EP Impurity B|C4X-15862|434-16-2 https://www.jk-sci.com/products/ts246cs-0052166 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3c4bc408a5e0ceba1704d93cffb1de4.jpg?v=1791679481 2,4-Dichloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one, 98% | 1520452-96-3 2,4-Dichloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one|CS-0052166|1520452-96-3 https://www.jk-sci.com/products/ts246cs-0052227 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9b139aa25335b215abfccda7788a37c.jpg?v=1791679460 2-(Iodomethyl)oxetane, 98% | 121138-00-9 2-(Iodomethyl)oxetane|CS-0052227|121138-00-9 https://www.jk-sci.com/products/ts246cs-0052486 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570e00c58f61f1a7b18fcbe97cb4ccb8.jpg?v=1791679338 1-Methanesulfonyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine, 96% | 1382137-67-8 1-Methanesulfonyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine|CS-0052486|1382137-67-8 https://www.jk-sci.com/products/ts246cs-0050955 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44883502206c0cddef62a21aa30c69b1.jpg?v=1791680142 4-Chloro-1,6-naphthyridine, 97% | 6861-84-3 4-Chloro-1,6-naphthyridine|CS-0050955|6861-84-3 https://www.jk-sci.com/products/s57c4x-166916 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90ba99758d4b60195a754efbc5edf5d.jpg?v=1791715148 (R)-Ketorolac, 99.90% | 66635-93-6 (R)-Ketorolac|C4X-166916|66635-93-6 https://www.jk-sci.com/products/s57c4x-16641 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455201_740ecf52-a6e9-4278-aa17-b00a5db55b91.png?v=1791715217 Iohexol EP Impurity A, 97.40% | 31127-80-7 Iohexol EP Impurity A|C4X-16641|31127-80-7 https://www.jk-sci.com/products/s57c4x-167215 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264071_c9b6b5ba-1eec-4510-9272-50dc7cd6f609.png?v=1791715117 Lamotrigine Impurity 15, 99.20% | 50-45-3 Lamotrigine Impurity 15|C4X-167215|50-45-3 https://www.jk-sci.com/products/ts246cs-0052495 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6c66b7cf9315949cb50567e99a838a3.jpg?v=1791679322 1H-Pyrrolo[2,3-c]pyridine-5-carbonitrile, 97% | 1082041-09-5 1H-Pyrrolo[2,3-c]pyridine-5-carbonitrile|CS-0052495|1082041-09-5 https://www.jk-sci.com/products/s57c4x-167617 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/780dc59ee9a8c44199d032c284cc2b9b.jpg?v=1791715085 Levodopa Impurity 17, 97.20% | 27313-65-1 Levodopa Impurity 17|C4X-167617|27313-65-1 https://www.jk-sci.com/products/s57c4x-16661 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47530bb7f250f20d5430243858f79f8e.jpg?v=1791715185 Irbesartan EP Impurity A, 98.80% | 748812-53-5 Irbesartan EP Impurity A|C4X-16661|748812-53-5 https://www.jk-sci.com/products/s57c4x-165414 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332385_7a081ccc-6732-4f16-99f7-1aef0eeb4b5f.png?v=1791715247 Gabapentin Impurity 14, Purity: 99.2% | 99189-60-3 Gabapentin Impurity 14|C4X-165414|99189-60-3 https://www.jk-sci.com/products/ts246cs-0050192 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/992cdcba594686785fdc55ba1987230d.jpg?v=1791680555 6-Hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, 97% | 76824-99-2 6-Hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid|CS-0050192|76824-99-2 https://www.jk-sci.com/products/ts246cs-0052526 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63f3324e00833e16665c547603a6b221.jpg?v=1791679303 3,4-Dinitro-1H-pyrazole, 96% | 38858-92-3 3,4-Dinitro-1H-pyrazole|CS-0052526|38858-92-3 https://www.jk-sci.com/products/ts246cs-0052541 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38587e56681b41439fa52fbb3f34f159.jpg?v=1791679291 (1H-Indazol-7-yl)methanol, 98% | 1092961-09-5 (1H-Indazol-7-yl)methanol|CS-0052541|1092961-09-5 https://www.jk-sci.com/products/s57c4x-167922 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7203caf0e5cf321bb9a6adb9f4ab0c6d.jpg?v=1791714992 Lidocaine Impurity 22, Purity: 98.2% | 17122-33-7 Lidocaine Impurity 22|C4X-167922|17122-33-7 https://www.jk-sci.com/products/ts246cs-0051261 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389629.png?v=1791679954 3-Methyl-3,8-diazabicyclo[3.2.1]octane dihydrochloride, 97% | 52407-92-8 3-Methyl-3,8-diazabicyclo[3.2.1]octane dihydrochloride|CS-0051261|52407-92-8 https://www.jk-sci.com/products/s57c4x-16772 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b56e168a3de0b81d3d461ea2ca4120ba.jpg?v=1791715055 Levonorgestrel EP Impurity B, 97.90% | 19914-67-1 Levonorgestrel EP Impurity B|C4X-16772|19914-67-1 https://www.jk-sci.com/products/ts246cs-0051436 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e23c2f530041eeaecb4169e05e7c855.jpg?v=1791679847 3-Bromoimidazo[1,2-a]pyridine-8-carboxylic acid, 97.00%+ | 1116691-26-9 3-Bromoimidazo[1,2-a]pyridine-8-carboxylic acid|CS-0051436|1116691-26-9 https://www.jk-sci.com/products/s57c4x-168324 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546620_2d91d566-1259-4ae9-9c8d-c2bc605bb590.png?v=1791714917 Losartan potassium, 98.40% | 124750-99-8 Losartan potassium|C4X-168324|124750-99-8 https://www.jk-sci.com/products/s57c4x-16831 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209597_33350962-0444-43fd-aa04-d40fee0717e3.png?v=1791714949 Losartan Impurity 1, 100.00% | 79047-41-9 Losartan Impurity 1|C4X-16831|79047-41-9 https://www.jk-sci.com/products/s57c4x-16841 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476082_991a6d2e-dbab-442d-b0d0-eed7748fa6c2.png?v=1791714897 Lovastatin EP Impurity A, 97.90% | 73573-88-3 Lovastatin EP Impurity A|C4X-16841|73573-88-3 https://www.jk-sci.com/products/s57c4x-16906 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1010d95d61087ab5538bf5a0fe07e12.jpg?v=1791714883 Meloxicam EP Impurity D, 98.90% | 1331636-17-9 Meloxicam EP Impurity D|C4X-16906|1331636-17-9 https://www.jk-sci.com/products/s57c4x-16944 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0371d57bef8195d28d5efcc1ab1a3432.jpg?v=1791714863 Prednisone EP Impurity C, 92.80% | 70522-55-3 Prednisone EP Impurity C|C4X-16944|70522-55-3 https://www.jk-sci.com/products/s57c4x-169619 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed7ab60308359d6ffbc85e914e841965.jpg?v=1791714850 LCZ-696 Impurity 19(R,R), 99.30% | 1012341-56-8 LCZ-696 Impurity 19(R,R)|C4X-169619|1012341-56-8 https://www.jk-sci.com/products/s57c4x-169663 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae6cf5a8-e58b-4429-a68f-a60a98c3c6a2.png?v=1791714810 LCZ-696 Impurity 63, 99.50% LCZ-696 Impurity 63|C4X-169663 https://www.jk-sci.com/products/s57c4x-169940 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccab9b267ef972d73ca74833117d9157.jpg?v=1791714762 Tigecycline/Minocycline Impurity 40, 99.90% | 6939-24-8 Tigecycline/Minocycline Impurity 40|C4X-169940|6939-24-8 https://www.jk-sci.com/products/ts246cs-0052044 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3740c32b526ba040c52018677ad346d9.jpg?v=1791679545 tert-Butyl 5-amino-2-azabicyclo[2.2.1]heptane-2-carboxylate, 97% | 207405-62-7 tert-Butyl 5-amino-2-azabicyclo[2.2.1]heptane-2-carboxylate|CS-0052044|207405-62-7 https://www.jk-sci.com/products/s57c4x-169910 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75f8aebfad2a1b109b586594aab26899.jpg?v=1791714773 Minocycline EP Impurity I, 92.70% | 5874-95-3 Minocycline EP Impurity I|C4X-169910|5874-95-3 https://www.jk-sci.com/products/ts246cs-0051830 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623022_be998692-8452-48e7-ac2c-40939643a127.png?v=1793049534 3-Cyano-2-methylpyridine, 99.55%+ | 1721-23-9 3-Cyano-2-methylpyridine|CS-0051830|1721-23-9 https://www.jk-sci.com/products/ts246cs-0052003 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82a64f4f58f8a6b724257f76e5cae1c5.jpg?v=1791679565 2-Bromo-4-chloropyridine-3-carbaldehyde, 98% | 1289197-78-9 2-Bromo-4-chloropyridine-3-carbaldehyde|CS-0052003|1289197-78-9 https://www.jk-sci.com/products/s57c4x-169640 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d320ecb37f235ba73631caed3545257b_e08186e8-561f-44a0-b7a1-01c40d42ba31.jpg?v=1791714831 LCZ-696 Intermediate 40, 99.70% | 1012341-50-2 LCZ-696 Intermediate 40|C4X-169640|1012341-50-2 https://www.jk-sci.com/products/ts246cs-0051950 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0864638f24cc23b2873908f0fe110f21.jpg?v=1791679594 2-Chloro-5H,6H,7H-pyrrolo[3,4-b]pyridine hydrochloride, 98% | 1841081-37-5 2-Chloro-5H,6H,7H-pyrrolo[3,4-b]pyridine hydrochloride|CS-0051950|1841081-37-5 https://www.jk-sci.com/products/s57c4x-169684 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466174_c8d15f97-42f6-4992-a423-1c373d36164f.png?v=1791714791 LCZ-696 Impurity 84, 95.40% | 5717-37-3 LCZ-696 Impurity 84|C4X-169684|5717-37-3 https://www.jk-sci.com/products/ts246cs-0051553 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f0cd2c1ee7c7fa924e462072d5d21f6.jpg?v=1791679776 3-Amino-1-[(tert-butoxy)carbonyl]azetidine-3-carboxylic acid, 97.00%+ | 1262412-13-4 3-Amino-1-[(tert-butoxy)carbonyl]azetidine-3-carboxylic acid|CS-0051553|1262412-13-4 https://www.jk-sci.com/products/ts246cs-0052129 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a73c5da22342c9060d075f948407c9c.jpg?v=1791679504 2,7-Diazaspiro[3.5]nonane dihydrochloride, 97% | 1334499-85-2 2,7-Diazaspiro[3.5]nonane dihydrochloride|CS-0052129|1334499-85-2 https://www.jk-sci.com/products/s57c4x-170034 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8585559d-5364-4583-b5d7-a04dde3b8fb6.png?v=1791714750 Minoxidil Impurity 34, 98.00% | 2889432-05-5 Minoxidil Impurity 34|C4X-170034|2889432-05-5 https://www.jk-sci.com/products/ts246cs-0052331 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562b64b4e66581003aa0d5480fb18ea8.jpg?v=1791679426 2-(1-((tert-Butoxycarbonyl)amino)cyclobutyl)acetic acid, 97% | 249762-02-5 2-(1-((tert-Butoxycarbonyl)amino)cyclobutyl)acetic acid|CS-0052331|249762-02-5 https://www.jk-sci.com/products/ts246cs-0052365 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/169a31f3d14ac3ec9496037f66be0e6e.jpg?v=1791679401 1-tert-Butyl 3-methyl 4-methylpiperidine-1,3-dicarboxylate, 97% | 1201192-62-2 1-tert-Butyl 3-methyl 4-methylpiperidine-1,3-dicarboxylate|CS-0052365|1201192-62-2 https://www.jk-sci.com/products/s57c4x-170415 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ca3e95848921c3dc38710218af7bae0_b51936ec-f19b-426d-99fc-4ea3aec98360.jpg?v=1791714731 Mometasone Furoate EP Impurity O, 96.70% | 24916-91-4 Mometasone Furoate EP Impurity O|C4X-170415|24916-91-4 https://www.jk-sci.com/products/ts246cs-0052490 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec316eac0a4d6850e1aeaf1bd7d1996b.jpg?v=1791679328 1H-Pyrrolo[3,2-c]pyridine-4-carbonitrile, 97% | 1040682-68-5 1H-Pyrrolo[3,2-c]pyridine-4-carbonitrile|CS-0052490|1040682-68-5 https://www.jk-sci.com/products/ts246cs-0052540 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302ec1d8a2185b3147354322f5c6d90c.jpg?v=1791679291 3-Bromo-5-(trifluoromethyl)-1H-indazole, 98% | 1086378-32-6 3-Bromo-5-(trifluoromethyl)-1H-indazole|CS-0052540|1086378-32-6 https://www.jk-sci.com/products/s57c4x-17049 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1a553911-6eb9-4256-85bd-b6a53847eff7.png?v=1791714694 Mometasone Furoate EP Impurity J, 97.20% Mometasone Furoate EP Impurity J|C4X-17049 https://www.jk-sci.com/products/s57c4x-17043 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369008_a7f8379c-00bd-4e1f-abc5-4a6fde0e31c0.png?v=1791714710 Mometasone Furoate EP Impurity G, 91.00% | 105102-22-5 Mometasone Furoate EP Impurity G|C4X-17043|105102-22-5 https://www.jk-sci.com/products/ts246cs-0052549 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71ea598c970cd5a4badd670511e3ca15.jpg?v=1791679278 2-(tert-Butyl)-1H-imidazole, 97% | 36947-69-0 2-(tert-Butyl)-1H-imidazole|CS-0052549|36947-69-0 https://www.jk-sci.com/products/ts246cs-0052574 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a05b10dbe24a35605cac2f769f466a.jpg?v=1791679267 1-Cyclopropylpropan-1-amine hydrochloride, 97% | 677743-70-3 1-Cyclopropylpropan-1-amine hydrochloride|CS-0052574|677743-70-3 https://www.jk-sci.com/products/s57c4x-17069 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34db1b8e37c3b7d71ed321c0671744fe.jpg?v=1791714680 Mupirocin EP Impurity D, 98.30% | 71087-97-3 Mupirocin EP Impurity D|C4X-17069|71087-97-3 https://www.jk-sci.com/products/ts246cs-0052708 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7366a2aa4c1751a311e936676e566bf.jpg?v=1793049497 1-[(Benzyloxy)carbonyl]-3-methylpiperidine-3-carboxylic acid, 96% | 174543-78-3 1-[(Benzyloxy)carbonyl]-3-methylpiperidine-3-carboxylic acid|CS-0052708|174543-78-3 https://www.jk-sci.com/products/ts246cs-0052674 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58ce5e6cac3a239f48f520ee7643c618.jpg?v=1791679211 1-[4-(Hydroxymethyl)piperidin-1-yl]ethan-1-one, 97% | 846057-27-0 1-[4-(Hydroxymethyl)piperidin-1-yl]ethan-1-one|CS-0052674|846057-27-0 https://www.jk-sci.com/products/s57c4x-170822 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92cb1260488de6f815d2a4ca85305063_398d526f-f730-4864-9c1f-32e63e04ec88.jpg?v=1791714660 Naproxen EP Impurity B, 99.30% | 89617-86-7 Naproxen EP Impurity B|C4X-170822|89617-86-7 https://www.jk-sci.com/products/s57c4x-170829 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2391d77ed0adeb4e5b7900d6b90fa2a6.jpg?v=1791714651 Naproxen Impurity 29, Purity: 96.2% | 17056-94-9 Naproxen Impurity 29|C4X-170829|17056-94-9 https://www.jk-sci.com/products/ts246cs-0052733 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400616.png?v=1791679186 Oxazole-4-carbonitrile, 97% | 55242-84-7 Oxazole-4-carbonitrile|CS-0052733|55242-84-7 https://www.jk-sci.com/products/ts246cs-0052807 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416206.png?v=1791679150 1-(Propan-2-yl)-1H-pyrazol-3-amine, 97.00%+ | 857267-04-0 1-(Propan-2-yl)-1H-pyrazol-3-amine|CS-0052807|857267-04-0 https://www.jk-sci.com/products/ts246cs-0052740 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/864c8dc33e9d63bd6c7cab46eb5a3505.jpg?v=1791679181 1,3-Dimethyl 2-(4-methoxyphenyl)propanedioate, 99.46%+ | 71146-13-9 1,3-Dimethyl 2-(4-methoxyphenyl)propanedioate|CS-0052740|71146-13-9 https://www.jk-sci.com/products/ts246cs-0052786 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ff0696e06bbda4561e70470b0c048ef.jpg?v=1791679159 1-(Trifluoromethyl)cyclopentan-1-amine hydrochloride, 97.00%+ | 1202865-05-1 1-(Trifluoromethyl)cyclopentan-1-amine hydrochloride|CS-0052786|1202865-05-1 https://www.jk-sci.com/products/s57c4x-17084 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da04766cabc8ebf5760524775dc1d73e.jpg?v=1791714650 Naproxen EP Impurity D, 95.20% | 116883-62-6 Naproxen EP Impurity D|C4X-17084|116883-62-6 https://www.jk-sci.com/products/s57c4x-17102 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6382e3511c5c75a97422ee8e9efb9cc3.jpg?v=1791714635 Nicardipine EP Impurity B DiHCl, 97.90% | 71784-27-5 Nicardipine EP Impurity B DiHCl|C4X-17102|71784-27-5 https://www.jk-sci.com/products/ts246cs-0052838 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4f56389d3d3df8e73b55c95a81d3b57.jpg?v=1791679139 1-(Benzenesulfonyl)-6-chloro-2-iodo-1H-pyrrolo[3,2-c]pyridine, 95% | 1227267-17-5 1-(Benzenesulfonyl)-6-chloro-2-iodo-1H-pyrrolo[3,2-c]pyridine|CS-0052838|1227267-17-5 https://www.jk-sci.com/products/ts246cs-0052888 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6af2df6e546d94c8a0b3465aa17c3fbf_e7bfb24d-e35d-4272-92d9-2b9b7975b54a.jpg?v=1791679125 1-(3-Chloropyridin-2-yl)ethanone, 97.00%+ | 131109-75-6 1-(3-Chloropyridin-2-yl)ethanone|CS-0052888|131109-75-6 https://www.jk-sci.com/products/ts246cs-0052916 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfeee296e5dd63dddb2235614e9fd1c8.jpg?v=1791679116 1-(2-Aminoethyl)cyclopropane-1-carboxylic acid hydrochloride, 97% | 1421602-17-6 1-(2-Aminoethyl)cyclopropane-1-carboxylic acid hydrochloride|CS-0052916|1421602-17-6 https://www.jk-sci.com/products/s57c4x-17108 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb72ea62137ec3e3819478ddba7b55a5.jpg?v=1791714629 Nicardipine Impurity 8, 98.90% | 2469735-68-8 Nicardipine Impurity 8|C4X-17108|2469735-68-8 https://www.jk-sci.com/products/ts246cs-0052989 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3d8eebbbe443ae2fbc689a097abe32c.jpg?v=1791679093 (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methanol, 98% | 1033463-31-8 (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methanol|CS-0052989|1033463-31-8 https://www.jk-sci.com/products/ts246cs-0052957 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc1a3bf2c6af3e1d06a4e5c7d855d73e.jpg?v=1791679100 {3-[(tert-Butyldimethylsilyl)oxy]cyclobutyl}methanol, 98% | 1394119-83-5 {3-[(tert-Butyldimethylsilyl)oxy]cyclobutyl}methanol|CS-0052957|1394119-83-5 https://www.jk-sci.com/products/s57c4x-17172 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607926266805ad4cb0446b833ccd9123.jpg?v=1791714624 Ofloxacin EP Impurity B, 92.30% | 123155-82-8 Ofloxacin EP Impurity B|C4X-17172|123155-82-8 https://www.jk-sci.com/products/s57c4x-171817 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8e90d5a-5835-4947-a5d9-04fdb51b34c0.png?v=1791714614 Olopatadine Impurity 17 HCl, 90.20% Olopatadine Impurity 17 HCl|C4X-171817 https://www.jk-sci.com/products/ts246cs-0053016 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b68b9fb57c20ba88f5eaeaa93788e335.jpg?v=1791679079 [1,2,4]Triazolo[4,3-b]pyridazine-6-carboxylic acid, 97% | 56434-29-8 [1,2,4]Triazolo[4,3-b]pyridazine-6-carboxylic acid|CS-0053016|56434-29-8 https://www.jk-sci.com/products/ts246cs-0053041 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5667d9fcfe696fff7af621064b718d54.jpg?v=1791679063 (S)-(1-Methylpyrrolidin-3-yl)methanol, 97% | 1210934-04-5 (S)-(1-Methylpyrrolidin-3-yl)methanol|CS-0053041|1210934-04-5 https://www.jk-sci.com/products/ts246cs-0053053 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce98eeb23cd5580353e4116d2bb2defd.jpg?v=1791679059 (3-Chlorobenzyl)hydrazine dihydrochloride, 95% | 1260787-89-0 (3-Chlorobenzyl)hydrazine dihydrochloride|CS-0053053|1260787-89-0 https://www.jk-sci.com/products/ts246cs-0053059 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347ad1a57ac28dca055b2e1c21d76189.jpg?v=1791679053 [(2S)-4-Benzylpiperazin-2-yl]methanol dihydrochloride, 96% | 1860012-50-5 [(2S)-4-Benzylpiperazin-2-yl]methanol dihydrochloride|CS-0053059|1860012-50-5 https://www.jk-sci.com/products/ts246cs-0053087 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22da387bbc8e25f4916ff329bfa2bb35.jpg?v=1793049491 (R)-tert-Butyl 5-methyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide, 97% | 863453-61-6 (R)-tert-Butyl 5-methyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide|CS-0053087|863453-61-6 https://www.jk-sci.com/products/s57c4x-171822 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15524fd58b8b1e0ca953fd286439eb88.jpg?v=1791714605 Olopatadine Impurity 22, 98.70% | 4174-84-9 Olopatadine Impurity 22|C4X-171822|4174-84-9 https://www.jk-sci.com/products/s57c4x-17185 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b70d8870-d427-473b-ac65-469290d716f3.png?v=1791714585 Olopatadine Impurity 5, Purity: 95.1% Olopatadine Impurity 5|C4X-17185 https://www.jk-sci.com/products/s57c4x-17183 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578161_a386d922-88be-4607-b48c-9f6a81b85543.png?v=1791714600 Olopatadine Related compound C, 99.50% | 55453-87-7 Olopatadine Related compound C|C4X-17183|55453-87-7 https://www.jk-sci.com/products/s57c4x-171838 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e4f9f5c-705a-4aa4-b4f6-a841537c372b.png?v=1791714589 Olopatadine Impurity 38, 97.10% Olopatadine Impurity 38|C4X-171838 https://www.jk-sci.com/products/s57c4x-1720101 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64e741e5-1b28-4cac-9293-f2c9e820fbf5.png?v=1791714578 Oseltamivir Impurity 101, 97.20% Oseltamivir Impurity 101|C4X-1720101 https://www.jk-sci.com/products/ts246cs-0053098 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11ace9d94d8b9fa96ce135c6275d57fc.jpg?v=1791679029 (Cyclopropylmethyl)hydrazine dihydrochloride, 95% | 809282-61-9 (Cyclopropylmethyl)hydrazine dihydrochloride|CS-0053098|809282-61-9 https://www.jk-sci.com/products/ts246cs-0051064 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5718a47505432f5c5a6c4f0b71410a4.jpg?v=1791680051 Ruxolitinib impurity-1, 97% | 952518-97-7 Ruxolitinib impurity-1|CS-0051064|952518-97-7 https://www.jk-sci.com/products/ts246cs-0049105 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0d7b5662663aa6f9b00b7f956f8ec47.jpg?v=1791680993 Methyl 3-bromoimidazo[1,2-a]pyridine-8-carboxylate, 95.00%+ | 1234616-47-7 Methyl 3-bromoimidazo[1,2-a]pyridine-8-carboxylate|CS-0049105|1234616-47-7 https://www.jk-sci.com/products/ts246cs-0051491 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7dec62dbb1d0da842975a3bf323ba9b.jpg?v=1791679800 3-Bromo-1-methyl-1H-indazol-6-amine, 96% | 1203181-56-9 3-Bromo-1-methyl-1H-indazol-6-amine|CS-0051491|1203181-56-9 https://www.jk-sci.com/products/ts246cs-0051870 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94049dfcf2c0be8dd702cb561be6286a.jpg?v=1791679642 2-Methyl-2H-indazole-5-carbonitrile, 98% | 1159511-49-5 2-Methyl-2H-indazole-5-carbonitrile|CS-0051870|1159511-49-5 https://www.jk-sci.com/products/s57c4x-1720121 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8c125969-8f53-4b75-86ba-4b4801e4f674.png?v=1791714569 Oseltamivir Impurity 121, Purity: 96.9% Oseltamivir Impurity 121|C4X-1720121 https://www.jk-sci.com/products/ts246cs-0052006 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d91d3de03997fcdf65bffeb780ec8eb.jpg?v=1791679557 2-Bromo-3H-imidazo[4,5-b]pyridine, 97% | 1380245-88-4 2-Bromo-3H-imidazo[4,5-b]pyridine|CS-0052006|1380245-88-4 https://www.jk-sci.com/products/s57c4x-1720133 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfe6ea07f0ba2c7ffc9040077b46e30a.jpg?v=1791714564 Oseltamivir Impurity 133, Purity: 99.6% | 10098-40-5 Oseltamivir Impurity 133|C4X-1720133|10098-40-5 https://www.jk-sci.com/products/ts246cs-0052202 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a990e1ff36957b97cbc2deb31afb822.jpg?v=1791679466 2-(Trifluoromethyl)-1H-imidazole, 98% | 66675-22-7 2-(Trifluoromethyl)-1H-imidazole|CS-0052202|66675-22-7 https://www.jk-sci.com/products/ts246cs-0052546 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288868_a2f145d4-0656-4df9-9612-2d8ebb37047a.png?v=1791679281 (1H-Indazol-3-yl)methanol, 96% | 64132-13-4 (1H-Indazol-3-yl)methanol|CS-0052546|64132-13-4 https://www.jk-sci.com/products/ts246cs-0052444 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14809193b6d1256cb0cf12b2707b246a.jpg?v=1793049515 1-Methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole, 97.00%+ | 885698-94-2 1-Methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole|CS-0052444|885698-94-2 https://www.jk-sci.com/products/ts246cs-0052615 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341468.png?v=1791679231 1-Benzyl 4-methyl piperidine-1,4-dicarboxylate, 97% | 138163-07-2 1-Benzyl 4-methyl piperidine-1,4-dicarboxylate|CS-0052615|138163-07-2 https://www.jk-sci.com/products/ts246cs-0052717 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12df6d99c4ea2e78ea3fe9802a44be6c.jpg?v=1791679196 1,8-Diazaspiro[4.5]decan-2-one hydrochloride, 97% | 1389313-57-8 1,8-Diazaspiro[4.5]decan-2-one hydrochloride|CS-0052717|1389313-57-8 https://www.jk-sci.com/products/s57c4x-1720152 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d2c8571dd734ed98afa231595bff037.jpg?v=1791714559 Oseltamivir Impurity 152, Purity: 96.6% | 651324-04-8 Oseltamivir Impurity 152|C4X-1720152|651324-04-8 https://www.jk-sci.com/products/s57c4x-1720182 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a109ff9b-2985-4381-b049-331a3b98d07a.png?v=1791714546 Oseltamivir Glucose Adduct 1, 95.60% Oseltamivir Glucose Adduct 1|C4X-1720182 https://www.jk-sci.com/products/ts246cs-0052758 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25e742d6adc5b9975f46482f5400af36.jpg?v=1791679170 1,2,3,4-Tetrahydro-2,6-naphthyridine, 96% | 31786-18-2 1,2,3,4-Tetrahydro-2,6-naphthyridine|CS-0052758|31786-18-2 https://www.jk-sci.com/products/ts246cs-0052889 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac3b878f8301ccf3f6ead753e4f322bc.jpg?v=1791679125 1-(3-Chloropyrazin-2-yl)ethanone, 98% | 121246-90-0 1-(3-Chloropyrazin-2-yl)ethanone|CS-0052889|121246-90-0 https://www.jk-sci.com/products/ts246cs-0052829 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a73adda871cb86dc26b412cff935592.jpg?v=1791679145 1-(Difluoromethyl)-1H-pyrazol-4-amine, 98% | 1174309-16-0 1-(Difluoromethyl)-1H-pyrazol-4-amine|CS-0052829|1174309-16-0 https://www.jk-sci.com/products/ts246cs-0052960 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34fe407251d0984c02f18809ea1fdb1f.jpg?v=1791679095 {1-Methyl-1H-pyrazolo[3,4-b]pyridin-5-yl}methanol, 95% | 1221288-28-3 {1-Methyl-1H-pyrazolo[3,4-b]pyridin-5-yl}methanol|CS-0052960|1221288-28-3 https://www.jk-sci.com/products/ts246cs-0053025 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a195d155e712c40a78d37935768988f9.jpg?v=1791679068 (1-(Trifluoromethyl)cyclopropyl)methanamine hydrochloride, 97% | 1783418-59-6 (1-(Trifluoromethyl)cyclopropyl)methanamine hydrochloride|CS-0053025|1783418-59-6 https://www.jk-sci.com/products/ts246cs-0053095 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3536eade39b59f904a53d9c4c72aa5ea.jpg?v=1791679029 Morpholin-3-ylmethanol hydrochloride, 97% | 955400-09-6 Morpholin-3-ylmethanol hydrochloride|CS-0053095|955400-09-6 https://www.jk-sci.com/products/ts246cs-0053166 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44cf6727488d238dfcf104f5e64bd6ff.jpg?v=1791678994 (5-Bromo-2-chloropyridin-3-yl)methanol, 97% | 742100-75-0 (5-Bromo-2-chloropyridin-3-yl)methanol|CS-0053166|742100-75-0 https://www.jk-sci.com/products/ts246cs-0053054 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d551f2d3cf93a33baccc3675c36979bb.jpg?v=1791679058 [(3-Bromocyclobutoxy)methyl]benzene, 97% | 1443110-01-7 [(3-Bromocyclobutoxy)methyl]benzene|CS-0053054|1443110-01-7 https://www.jk-sci.com/products/s57c4x-172019 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb4d3790-117b-4cd2-9267-8fd6557aa05f.png?v=1791714536 Ent-Oseltamivir HCl, 91.30% Ent-Oseltamivir HCl|C4X-172019 https://www.jk-sci.com/products/ts246cs-0053309 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c4ade2f32a3af61c447307b799b0b19.jpg?v=1791678942 (R)-Pyrrolidine-3-carboxylic acid hydrochloride, 98% | 1202245-51-9 (R)-Pyrrolidine-3-carboxylic acid hydrochloride|CS-0053309|1202245-51-9 https://www.jk-sci.com/products/ts246cs-0053184 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/284900.png?v=1791678988 (R)-4-Phenylthiazolidine-2-thione, 98.00%+ | 110199-18-3 (R)-4-Phenylthiazolidine-2-thione|CS-0053184|110199-18-3 https://www.jk-sci.com/products/s57c4x-1720210 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5b1b2d0-7be9-4a96-824e-558f6573af3c.png?v=1791714529 Oseltamivir Impurity 210, Purity: 96.8% Oseltamivir Impurity 210|C4X-1720210 https://www.jk-sci.com/products/s57c4x-17203 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c5b6c69deec9c9ed5dc0e70d7ff27df.jpg?v=1791714518 Oseltamivir EP Impurity C (HCl), 97.00% | 1415963-60-8 Oseltamivir EP Impurity C (HCl)|C4X-17203|1415963-60-8 https://www.jk-sci.com/products/s57c4x-172022 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cdbc7c72-7265-495c-97d4-aae529e8f733.png?v=1791714524 Oseltamivir Impurity 22, 90.10% Oseltamivir Impurity 22|C4X-172022 https://www.jk-sci.com/products/ts246cs-0053327 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c48795f47c3b5e74cce85a825f392e8.jpg?v=1791678929 (R)-3-Fluoropiperidine hydrochloride, 97.00%+ | 787564-37-8 (R)-3-Fluoropiperidine hydrochloride|CS-0053327|787564-37-8 https://www.jk-sci.com/products/ts246cs-0053432 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554135.png?v=1793049481 (S)-3-(tert-Butoxycarbonyl)thiazolidine-2-carboxylic acid, 95% | 891192-95-3 (S)-3-(tert-Butoxycarbonyl)thiazolidine-2-carboxylic acid|CS-0053432|891192-95-3 https://www.jk-sci.com/products/s57c4x-172036 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b71ac85a0330f0f38c874b9cfc4ae13.jpg?v=1791714509 Oseltamivir Impurity 36, 94.50% | 212504-90-0 Oseltamivir Impurity 36|C4X-172036|212504-90-0 https://www.jk-sci.com/products/s57c4x-172047 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_065c5dc7-d18c-4e42-ada1-7aed86d4533b.png?v=1791714503 Oseltamivir Impurity 47, 88.30% Oseltamivir Impurity 47|C4X-172047 https://www.jk-sci.com/products/s57c4x-172061 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4398e07140d0ef93da74d7ab8a3a7a7.jpg?v=1791714498 Oseltamivir Impurity 61, 97.90% | 2413185-89-2 Oseltamivir Impurity 61|C4X-172061|2413185-89-2 https://www.jk-sci.com/products/s57c4x-172075 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fa3aa416-157c-475a-850e-38e7ff426eab.png?v=1791714489 Oseltamivir Impurity 75, 94.50% Oseltamivir Impurity 75|C4X-172075 https://www.jk-sci.com/products/ts246cs-0053454 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70702cd8acae20dcacd9e7ca6fe3df40.jpg?v=1791678895 (S)-(1,4-Dioxan-2-yl)methanamine hydrochloride, 97.00%+ | 1523541-96-9 (S)-(1,4-Dioxan-2-yl)methanamine hydrochloride|CS-0053454|1523541-96-9 https://www.jk-sci.com/products/s57c4x-172086 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce9e0885fed3de329a75f3d3029b691b.jpg?v=1791714482 Oseltamivir Impurity 86, 93.40% | 651324-08-2 Oseltamivir Impurity 86|C4X-172086|651324-08-2 https://www.jk-sci.com/products/ts246cs-0053505 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7f3cadc375cfda342a1603afd3e4488.jpg?v=1791678867 (R)-1-(tert-Butoxycarbonyl)azepane-2-carboxylic acid, 98% | 1227926-67-1 (R)-1-(tert-Butoxycarbonyl)azepane-2-carboxylic acid|CS-0053505|1227926-67-1 https://www.jk-sci.com/products/s57c4x-172092 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f08ac71ad21b9d8db024fae7570b8bc.jpg?v=1791714477 Oseltamivir Impurity 92, 99.40% | 1151665-78-9 Oseltamivir Impurity 92|C4X-172092|1151665-78-9 https://www.jk-sci.com/products/ts246cs-0053528 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319384.png?v=1793049479 trans-2-Pentenoic acid, 96% | 13991-37-2 trans-2-Pentenoic acid|CS-0053528|13991-37-2 https://www.jk-sci.com/products/ts246cs-0053549 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1315022.png?v=1791678836 (1S,4S)-2-Methyl-2,5-diazabicyclo[2.2.1]heptane dihydrobromide, 97% | 125224-62-6 (1S,4S)-2-Methyl-2,5-diazabicyclo[2.2.1]heptane dihydrobromide|CS-0053549|125224-62-6 https://www.jk-sci.com/products/s57c4x-17236 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4a1cf5866de166fca90a25344731d7a.jpg?v=1791714472 Oxymetazoline EP Impurity C, 99.00% | 55699-13-3 Oxymetazoline EP Impurity C|C4X-17236|55699-13-3 https://www.jk-sci.com/products/ts246cs-0053602 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ccb2a678ed3d71f22339a3ee5d16591.jpg?v=1791678817 (1R,4S,5S)-rel-2-(tert-Butoxycarbonyl)-2-azabicyclo[2.1.1]hexane-5-carboxylic acid, 98.30%+ | 615575-74-1 (1R,4S,5S)-rel-2-(tert-Butoxycarbonyl)-2-azabicyclo[2.1.1]hexane-5-carboxylic acid|CS-0053602|615575-74-1 https://www.jk-sci.com/products/ts246cs-0053618 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245896efc5845f97428ef0782d014add.jpg?v=1791678807 (1R,3R)-3-{[(tert-Butoxy)carbonyl]amino}cyclohexane-1-carboxylic acid, 98% | 1430938-32-1 (1R,3R)-3-{[(tert-Butoxy)carbonyl]amino}cyclohexane-1-carboxylic acid|CS-0053618|1430938-32-1 https://www.jk-sci.com/products/ts246cs-0053637 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f54cffdbd28cc87d2871b1325fad04f6.jpg?v=1791678802 (R)-3,3-Difluorocyclopentanamine hydrochloride, 97% | 1117936-64-7 (R)-3,3-Difluorocyclopentanamine hydrochloride|CS-0053637|1117936-64-7 https://www.jk-sci.com/products/ts246cs-0053686 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b48f7de66444f6b2ce06aad68525138.jpg?v=1791678772 3,5-Dichloro-2-nitroaniline, 97.00%+ | 122584-83-2 3,5-Dichloro-2-nitroaniline|CS-0053686|122584-83-2 https://www.jk-sci.com/products/s57c4x-17242 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53ec03900c9aea3cdf3160c4c66e82f0.jpg?v=1791714455 Paliperidone Impurity 2, 98.80% | 130049-82-0 Paliperidone Impurity 2|C4X-17242|130049-82-0 https://www.jk-sci.com/products/ts246cs-0053723 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375739.png?v=1791678767 Isobutyrohydrazide, 97% | 3619-17-8 Isobutyrohydrazide|CS-0053723|3619-17-8 https://www.jk-sci.com/products/s57c4x-172448 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d1e23bc78a79605fbba1ba3feddedce.jpg?v=1791714432 Paliperidone Impurity 48, 99.90% | 181525-38-2 Paliperidone Impurity 48|C4X-172448|181525-38-2 https://www.jk-sci.com/products/s57c4x-172428 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca621d549f8a92edb4d899f154dbdc0d.jpg?v=1791714450 Paliperidone Impurity 28, 96.40% | 55665-95-7 Paliperidone Impurity 28|C4X-172428|55665-95-7 https://www.jk-sci.com/products/ts246cs-0053764 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e724a2015d97e4e99da1eb28a116410a.jpg?v=1791678747 Methyl imidazo[1,2-a]pyridine-5-carboxylate, 97.00%+ | 88047-55-6 Methyl imidazo[1,2-a]pyridine-5-carboxylate|CS-0053764|88047-55-6 https://www.jk-sci.com/products/ts246cs-0051376 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10366889c1b8afaa8fb0b113f78d54be.jpg?v=1791679882 3-Ethynylazetidin-3-ol 2,2,2-trifluoroacetate, 95% | 1408076-23-2 3-Ethynylazetidin-3-ol 2,2,2-trifluoroacetate|CS-0051376|1408076-23-2 https://www.jk-sci.com/products/s57c4x-172435 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd522f78683da1238d1c65a1d3764c8c.jpg?v=1791714442 Paliperidone Impurity 35, 90.60% | 1346598-34-2 Paliperidone Impurity 35|C4X-172435|1346598-34-2 https://www.jk-sci.com/products/s57c4x-172464 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74917ba2e9311b756cd71f2be615a046.jpg?v=1791714427 Paliperidone Impurity 64, Purity: 99.4% | 1415488-05-9 Paliperidone Impurity 64|C4X-172464|1415488-05-9 https://www.jk-sci.com/products/s57c4x-172481 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3b3b7ca476785ad859d8315d1044b08.jpg?v=1791714418 Paliperidone Impurity 81, Purity: 96.4% | 691007-07-5 Paliperidone Impurity 81|C4X-172481|691007-07-5 https://www.jk-sci.com/products/s57c4x-172520 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231939_c7b60e81-bf8b-4add-827a-0327bcbebeb2.png?v=1791714409 Pazopanib Impurity 20, Purity: 99.4% | 3934-20-1 Pazopanib Impurity 20|C4X-172520|3934-20-1 https://www.jk-sci.com/products/s57c4x-172540 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a981bc3-1511-4bbc-9338-eec43c06e6f0.png?v=1791714403 Pazopanib Impurity 40, Purity: 99.7% Pazopanib Impurity 40|C4X-172540 https://www.jk-sci.com/products/s57c4x-1726 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472097_ba43755e-038d-477c-b21a-902866dfd620.png?v=1791714394 Pemetrexed Disodium, 89.20% | 150399-23-8 Pemetrexed Disodium|C4X-1726|150399-23-8 https://www.jk-sci.com/products/ts246cs-0051981 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591544a3efa498450ab7e6052ec54c05.jpg?v=1791679576 2-Chloro-1,3-benzothiazol-6-ol, 97.00%+ | 2591-16-4 2-Chloro-1,3-benzothiazol-6-ol|CS-0051981|2591-16-4 https://www.jk-sci.com/products/ts246cs-0052356 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b09be5758ac93d2511d8854160217f9.jpg?v=1791679411 1-(1,1-Dimethylethyl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 98% | 1455358-06-1 1-(1,1-Dimethylethyl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one|CS-0052356|1455358-06-1 https://www.jk-sci.com/products/ts246cs-0052556 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae48d5163bd38dd3320dc6f8d8481b9c.jpg?v=1791679272 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione, 97% | 40769-81-1 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione|CS-0052556|40769-81-1 https://www.jk-sci.com/products/ts246cs-0052739 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cebdb149bddf36087b2e2309d474b5a.jpg?v=1791679181 Dimethyl 2-aminoisophthalate, 96% | 57053-02-8 Dimethyl 2-aminoisophthalate|CS-0052739|57053-02-8 https://www.jk-sci.com/products/ts246cs-0052872 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1018999_62a2e150-0b1f-4c65-8e82-451ae1dc4e3f.png?v=1791679130 1-[(4-Methylphenyl)sulfonyl]-3-azetidinone, 97.00%+ | 76543-27-6 1-[(4-Methylphenyl)sulfonyl]-3-azetidinone|CS-0052872|76543-27-6 https://www.jk-sci.com/products/ts246cs-0053000 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7196ddf9817560bc19890bb1249fedf.jpg?v=1791679088 (3-(Benzylamino)oxetan-3-yl)methanol, 97% | 1195684-52-6 (3-(Benzylamino)oxetan-3-yl)methanol|CS-0053000|1195684-52-6 https://www.jk-sci.com/products/ts246cs-0053065 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26674807773d2def335df3800a064214.jpg?v=1791679047 (2R)-4-(Phenylmethyl)-2-morpholinemethanamine, 97% | 214273-17-3 (2R)-4-(Phenylmethyl)-2-morpholinemethanamine|CS-0053065|214273-17-3 https://www.jk-sci.com/products/ts246cs-0053265 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2dc22d03114de0edd31c342debd7bc17.jpg?v=1793049486 (S)-3-Iodotetrahydrofuran, 98% | 918439-76-6 (S)-3-Iodotetrahydrofuran|CS-0053265|918439-76-6 https://www.jk-sci.com/products/ts246cs-0053164 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dedada98912a22c3718fb1bbb4db5078.jpg?v=1791678998 (5-Bromo-2-methoxypyridin-3-yl)methanol, 98% | 351410-47-4 (5-Bromo-2-methoxypyridin-3-yl)methanol|CS-0053164|351410-47-4 https://www.jk-sci.com/products/ts246cs-0053482 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db39ade9a9fc94aef1f175047c3cb6b7.jpg?v=1791678872 (R)-Azetidin-2-ylmethanol, 98.00%+ | 209329-11-3 (R)-Azetidin-2-ylmethanol|CS-0053482|209329-11-3 https://www.jk-sci.com/products/ts246cs-0053366 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12d9f2edc3108ac3c58ccdde082632c8.jpg?v=1791678919 (3-Fluoropyridin-2-yl)methanamine hydrochloride, 97% | 1260903-05-6 (3-Fluoropyridin-2-yl)methanamine hydrochloride|CS-0053366|1260903-05-6 https://www.jk-sci.com/products/ts246cs-0053537 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475713a1693b520436d9ac4ada36d15a.jpg?v=1791678836 (2,6-Dibromopyridin-4-yl)methanol, 98% | 223463-02-3 (2,6-Dibromopyridin-4-yl)methanol|CS-0053537|223463-02-3 https://www.jk-sci.com/products/s57c4x-172628 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56e3fdc4-0d76-4d49-90ad-e50780e5c4fe.png?v=1791714384 Pemetrexed Impurity 28, 92.50% Pemetrexed Impurity 28|C4X-172628 https://www.jk-sci.com/products/ts246cs-0053616 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fec9b07b55d42cf98a9d6dbcc70a5580.jpg?v=1791678812 (1R,3R,5R)-rel-2-azabicyclo[3.1.0]hexane-3-carboxylic acid hydrochloride, 97% | 1212157-09-9 (1R,3R,5R)-rel-2-azabicyclo[3.1.0]hexane-3-carboxylic acid hydrochloride|CS-0053616|1212157-09-9 https://www.jk-sci.com/products/s57c4x-172631 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_500ef593-551b-409b-a964-9e9cf473c969.png?v=1791714383 Pemetrexed Impurity 31 ·1.5H2O, Purity: 98.4% Pemetrexed Impurity 31 ·1.5H2O|C4X-172631 https://www.jk-sci.com/products/ts246cs-0053650 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7547d1a9db911d057e7aa112b7dd0040.jpg?v=1791678788 (1-Methyl-1H-indazol-5-yl)methanol, 96.61%+ | 1092961-11-9 (1-Methyl-1H-indazol-5-yl)methanol|CS-0053650|1092961-11-9 https://www.jk-sci.com/products/s57c4x-17265 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61a700dede1bf2ccac12dc2326390f5a.jpg?v=1791714379 Pemetrexed EP Impurity E, 93.40% | 182009-04-7 Pemetrexed EP Impurity E|C4X-17265|182009-04-7 https://www.jk-sci.com/products/ts246cs-0053820 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1553586.png?v=1791678721 4-Iodo-1H-pyrazolo[3,4-b]pyridine, 97% | 861881-02-9 4-Iodo-1H-pyrazolo[3,4-b]pyridine|CS-0053820|861881-02-9 https://www.jk-sci.com/products/ts246cs-0053760 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5878bce987b6d504dba83327324ae12.jpg?v=1791678751 Methyl 6-bromoimidazo[1,2-a]pyridine-2-carboxylate, 99.88%+ | 354548-08-6 Methyl 6-bromoimidazo[1,2-a]pyridine-2-carboxylate|CS-0053760|354548-08-6 https://www.jk-sci.com/products/ts246cs-0053840 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394541.png?v=1791678714 Ethyl 4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate, 98.00%+ | 37801-57-3 Ethyl 4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate|CS-0053840|37801-57-3 https://www.jk-sci.com/products/ts246cs-0053897 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469655.png?v=1791678664 (5-Bromothien-2-yl)methanol, 96% | 79387-71-6 (5-Bromothien-2-yl)methanol|CS-0053897|79387-71-6 https://www.jk-sci.com/products/ts246cs-0053882 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238465.png?v=1791678675 Methyl 5-nitro-1H-indazole-3-carboxylate, 95% | 78155-75-6 Methyl 5-nitro-1H-indazole-3-carboxylate|CS-0053882|78155-75-6 https://www.jk-sci.com/products/ts246cs-0053914 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/788920.png?v=1791678651 5-Chlorothiophene-2-carbonitrile, 97% | 50478-16-5 5-Chlorothiophene-2-carbonitrile|CS-0053914|50478-16-5 https://www.jk-sci.com/products/ts246cs-0053943 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fc0fd3b5a822dd1d5e561eeefc3ca73.jpg?v=1791678637 Methyl 2-(pyrimidin-4-yl)acetate, 97.00%+ | 863032-29-5 Methyl 2-(pyrimidin-4-yl)acetate|CS-0053943|863032-29-5 https://www.jk-sci.com/products/s57c4x-17266 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c55f620f-57ff-4b97-a101-109cb2696028.png?v=1791714373 Pemetrexed EP Impurity B&C, 93.30% Pemetrexed EP Impurity B&C|C4X-17266 https://www.jk-sci.com/products/ts246cs-0053964 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b907246c4c6a549fbcb451890f9acb91.jpg?v=1791678622 (6-(Methylsulfonyl)pyridin-3-yl)boronic acid, 95% | 1088496-41-6 (6-(Methylsulfonyl)pyridin-3-yl)boronic acid|CS-0053964|1088496-41-6 https://www.jk-sci.com/products/ts246cs-0053956 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49ec47aea916e27eacc0ff6f6e486c47.jpg?v=1791678627 tert-Butyl N-[(3-aminooxetan-3-yl)methyl]carbamate, 97% | 1379322-06-1 tert-Butyl N-[(3-aminooxetan-3-yl)methyl]carbamate|CS-0053956|1379322-06-1 https://www.jk-sci.com/products/s57c4x-172672 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00b010f4-f133-4f94-a2e7-40af9463f372.png?v=1791714374 Pemetrexed Impurity 72 TFA salt, 95.30% Pemetrexed Impurity 72 TFA salt|C4X-172672 https://www.jk-sci.com/products/s57c4x-172811 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22b9ad797ea5ed5327f6d5da81142977.jpg?v=1791714363 Pentoxifylline EP Impurity K, 97.70% | 74857-22-0 Pentoxifylline EP Impurity K|C4X-172811|74857-22-0 https://www.jk-sci.com/products/ts246cs-0053990 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eae095904570b1a6df2d8cd8dfa005d2.jpg?v=1791678610 (R)-(+)-Hexahydropyrrolo[1,2-a]pyrazin-6(7H)-one, 97% | 151763-89-2 (R)-(+)-Hexahydropyrrolo[1,2-a]pyrazin-6(7H)-one|CS-0053990|151763-89-2 https://www.jk-sci.com/products/ts246cs-0054054 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235707.png?v=1791678591 Dimethyl 2-aminoterephthalate, 97% | 5372-81-6 Dimethyl 2-aminoterephthalate|CS-0054054|5372-81-6 https://www.jk-sci.com/products/s57c4x-17269 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bed199a8e878bd57870d5c3726a1561a.jpg?v=1791714368 Pemetrexed Impurity 9, Purity: 99.8% | 193281-05-9 Pemetrexed Impurity 9|C4X-17269|193281-05-9 https://www.jk-sci.com/products/ts246cs-0054040 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2e79dd55d33ca17390a2c4ceb5b02f6.jpg?v=1791678600 5-Aminothiazolo[4,5-d]pyrimidin-2(3H)-one, 95% | 848691-22-5 5-Aminothiazolo[4,5-d]pyrimidin-2(3H)-one|CS-0054040|848691-22-5 https://www.jk-sci.com/products/ts246cs-0054138 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/865f5e8351b1a4b8a1a37a9660ec4378.jpg?v=1791678559 2-Ethynyl-6-methylpyridine, 97% | 30413-58-2 2-Ethynyl-6-methylpyridine|CS-0054138|30413-58-2 https://www.jk-sci.com/products/ts246cs-0054063 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b293a969ee363d46202a379fd3e8118c.jpg?v=1791678590 (5-Bromopyridin-2-yl)methanamine hydrochloride, 97% | 1241911-26-1 (5-Bromopyridin-2-yl)methanamine hydrochloride|CS-0054063|1241911-26-1 https://www.jk-sci.com/products/ts246cs-0054081 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339425.png?v=1791678575 (2R,4R)-Ethyl 4-methylpiperidine-2-carboxylate, 95% | 74892-82-3 (2R,4R)-Ethyl 4-methylpiperidine-2-carboxylate|CS-0054081|74892-82-3 https://www.jk-sci.com/products/ts246cs-0054153 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416015.png?v=1791678544 (R)-2-Amino-2-cyclopropylacetic acid, 97% | 49607-01-4 (R)-2-Amino-2-cyclopropylacetic acid|CS-0054153|49607-01-4 https://www.jk-sci.com/products/ts246cs-0054158 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394335.png?v=1791678530 Boc-D-Arg(Pbf)-OH, 98% | 186698-61-3 Boc-D-Arg(Pbf)-OH|CS-0054158|186698-61-3 https://www.jk-sci.com/products/ts246cs-0054168 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef3688c7dba359281a61379f0e405c92.jpg?v=1791678525 7-Bromo-5-chloro-1H-pyrrolo[2,3-c]pyridine, 95% | 945840-69-7 7-Bromo-5-chloro-1H-pyrrolo[2,3-c]pyridine|CS-0054168|945840-69-7 https://www.jk-sci.com/products/s57c4x-172813 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59efbc30a7f1a76745508ccc7f98bad4.jpg?v=1791714359 Pentoxifylline EP Impurity J, 98.60% | 874747-30-5 Pentoxifylline EP Impurity J|C4X-172813|874747-30-5 https://www.jk-sci.com/products/s57c4x-17285 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33fa80628e5bfb5be68cdbf749d08709.jpg?v=1791714354 Pentoxifylline EP Impurity E, 94.70% | 77196-87-3 Pentoxifylline EP Impurity E|C4X-17285|77196-87-3 https://www.jk-sci.com/products/s57c4x-172816 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472531.png?v=1791714359 Pentoxifylline Impurity 16, 99.80% | 6493-06-7 Pentoxifylline Impurity 16|C4X-172816|6493-06-7 https://www.jk-sci.com/products/ts246cs-0052520 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ae3e8cb02621818fe76ece4e47ce53f.jpg?v=1791679308 1H-Pyrazolo[3,4-b]pyridin-5-ol, 97% | 1256818-99-1 1H-Pyrazolo[3,4-b]pyridin-5-ol|CS-0052520|1256818-99-1 https://www.jk-sci.com/products/ts246cs-0052112 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/215081_4f82f78c-9309-4a14-b92e-97ebff75379d.png?v=1791679514 (S)-2-(2,2-Dimethyl-[1,3]dioxolan-4-yl)ethanol, 89% | 32233-43-5 (S)-2-(2,2-Dimethyl-[1,3]dioxolan-4-yl)ethanol|CS-0052112|32233-43-5 https://www.jk-sci.com/products/ts246cs-0051691 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97cd84c89b9b14baab8eae64b604e087.jpg?v=1791679701 3-(Difluoromethyl)pyrrolidine hydrochloride, 98% | 1376176-56-5 3-(Difluoromethyl)pyrrolidine hydrochloride|CS-0051691|1376176-56-5 https://www.jk-sci.com/products/ts246cs-0052791 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ec18f098df4302b6e743f31555d627.jpg?v=1791679159 1-(Tetrahydro-2H-pyran-2-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 97% | 1279088-80-0 1-(Tetrahydro-2H-pyran-2-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole|CS-0052791|1279088-80-0 https://www.jk-sci.com/products/ts246cs-0053051 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c60fb303f2d64476ee9c86b1abce7210.jpg?v=1791679059 (3-Fluorobenzyl)hydrazine dihydrochloride, 95.00%+ | 1000805-94-6 (3-Fluorobenzyl)hydrazine dihydrochloride|CS-0053051|1000805-94-6 https://www.jk-sci.com/products/ts246cs-0053178 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b45a79f19bc9112b9d7b346df656e6b.jpg?v=1791678989 (S)-3,4-Dimethyloxazolidine-2,5-dione, 98% | 58311-53-8 (S)-3,4-Dimethyloxazolidine-2,5-dione|CS-0053178|58311-53-8 https://www.jk-sci.com/products/s57c4x-17289 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/167037099620209e5d7247513b080580.jpg?v=1791714348 Pentoxifylline EP Impurity I, 98.90% | 55247-90-0 Pentoxifylline EP Impurity I|C4X-17289|55247-90-0 https://www.jk-sci.com/products/ts246cs-0053446 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dbbe9ed7f06b28b4da5982b19e2793a.jpg?v=1791678895 (2S)-2-[(2-Methylpropan-2-yl)oxycarbonylamino]-3-(oxan-4-yl)propanoic acid, 97.00%+ | 368866-33-5 (2S)-2-[(2-Methylpropan-2-yl)oxycarbonylamino]-3-(oxan-4-yl)propanoic acid|CS-0053446|368866-33-5 https://www.jk-sci.com/products/ts246cs-0053559 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccac914b7b169fc7d5e8f265f9ef45df.jpg?v=1791678832 (1S,3S)-3-Aminocyclopentanol hydrochloride, 97% | 1523530-42-8 (1S,3S)-3-Aminocyclopentanol hydrochloride|CS-0053559|1523530-42-8 https://www.jk-sci.com/products/ts246cs-0053690 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e6b1c106e283ef135b1f7b72bde6703.jpg?v=1791678772 5-Bromo-1,7-naphthyridin-8(7H)-one, 98% | 67967-14-0 5-Bromo-1,7-naphthyridin-8(7H)-one|CS-0053690|67967-14-0 https://www.jk-sci.com/products/s57c4x-17301 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421711.png?v=1791714349 Perphenazine-d4 | 155593-75-2 Perphenazine-d4|C4X-17301|155593-75-2 https://www.jk-sci.com/products/s57c4x-1732 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14cc3c2f5a4db1307891799d0f728a18.jpg?v=1791714338 Piperacillin Monohydrate, 98.30% | 66258-76-2 Piperacillin Monohydrate|C4X-1732|66258-76-2 https://www.jk-sci.com/products/s57c4x-1731 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814035.png?v=1791714343 Pimecrolimus, 98.00% | 137071-32-0 Pimecrolimus|C4X-1731|137071-32-0 https://www.jk-sci.com/products/s57c4x-173215 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6058c399a2e0d106c299aebda7c559f9.jpg?v=1791714328 Piperacillin EP Impurity J, 79.90% | 2170771-47-6 Piperacillin EP Impurity J|C4X-173215|2170771-47-6 https://www.jk-sci.com/products/s57c4x-173217 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e4e70343b29166b81d61d79f7d6fce7.jpg?v=1791714328 Piperacillin EP Impurity D, 91.30% | 65772-67-0 Piperacillin EP Impurity D|C4X-173217|65772-67-0 https://www.jk-sci.com/products/s57c4x-173219 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c6ca7ca-d46c-4234-832d-ccf03e05bb9b.png?v=1791714319 Piperacillin EP Impurity N, 84.90% Piperacillin EP Impurity N|C4X-173219 https://www.jk-sci.com/products/ts246cs-0053896 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/699668d5fa12300a163388736418be5e.jpg?v=1791678666 (1-Methyl-1H-pyrazol-3-yl)methanamine, 97% | 612511-81-6 (1-Methyl-1H-pyrazol-3-yl)methanamine|CS-0053896|612511-81-6 https://www.jk-sci.com/products/s57c4x-173223 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a40def56b8efaa6774c5a8c3e5f7026b.jpg?v=1791714319 Piperacillin EP Impurity C, 93.80% | 2649505-15-5 Piperacillin EP Impurity C|C4X-173223|2649505-15-5 https://www.jk-sci.com/products/ts246cs-0053825 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f57ea21a02bbf39518430476ea35ceeb.jpg?v=1791678717 6-Bromo-2-methyl-3H-imidazo[4,5-b]pyridine, 97% | 42869-47-6 6-Bromo-2-methyl-3H-imidazo[4,5-b]pyridine|CS-0053825|42869-47-6 https://www.jk-sci.com/products/s57c4x-173259 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595762_8e672b15-491b-4e83-a65d-df977903962e.png?v=1791714304 Piperacillin EP Impurity E, 98.50% | 59702-31-7 Piperacillin EP Impurity E|C4X-173259|59702-31-7 https://www.jk-sci.com/products/ts246cs-0054157 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d991d365ee1b67e49c1affa998cdc910.jpg?v=1791678534 5-Thiazolamine, 97% | 17721-00-5 5-Thiazolamine|CS-0054157|17721-00-5 https://www.jk-sci.com/products/s57c4x-17338 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eda5631a78316d65e8558226562e6039.jpg?v=1791714289 Piroxicam EP Impurity H, 96.10% | 24683-21-4 Piroxicam EP Impurity H|C4X-17338|24683-21-4 https://www.jk-sci.com/products/ts246cs-0054213 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c3f923462afc76763bdc450d86cc96d.jpg?v=1791678504 Spiro[cyclopropane-1,3'-indolin]-2'-one, 97% | 13861-75-1 Spiro[cyclopropane-1,3'-indolin]-2'-one|CS-0054213|13861-75-1 https://www.jk-sci.com/products/s57c4x-173240 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3f700e47-9914-4c81-b4ea-15aa82256d42.png?v=1791714308 Piperacillin Impurity 40, 92.40% Piperacillin Impurity 40|C4X-173240 https://www.jk-sci.com/products/s57c4x-17334 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6721a6aabcd04544d2d5915c6ccb848.jpg?v=1791714294 Piroxicam EP Impurity D, 98.00% | 6639-62-9 Piroxicam EP Impurity D|C4X-17334|6639-62-9 https://www.jk-sci.com/products/ts246cs-0054194 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09ec2ef6fa7edd8ad3bc0f4dfc99e61d.jpg?v=1791678514 5-Bromo-6-fluoro-3-iodo-1H-indazole, 97% | 633335-82-7 5-Bromo-6-fluoro-3-iodo-1H-indazole|CS-0054194|633335-82-7 https://www.jk-sci.com/products/s57c4x-173225 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07659f7d-8790-41b9-a389-2f7e8fa4d508.png?v=1791714312 Piperacillin Impurity 25, 91.40% Piperacillin Impurity 25|C4X-173225 https://www.jk-sci.com/products/s57c4x-17357 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8956ec1699014376fc6f2aa4bdf9439.jpg?v=1791714284 Pravastatin EP Impurity G Sodium Salt, 88.00% | 720666-74-0 Pravastatin EP Impurity G Sodium Salt|C4X-17357|720666-74-0 https://www.jk-sci.com/products/s57c4x-173310 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114805.png?v=1791714299 Piroxicam EP Impurity J, 99.40% | 35511-15-0 Piroxicam EP Impurity J|C4X-173310|35511-15-0 https://www.jk-sci.com/products/s57c4x-173714 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b60953e85fcaab6290d7bc885bdab76.jpg?v=1791714282 Prednisolone Acetate EP Impurity E, 93.80% | 4380-55-6 Prednisolone Acetate EP Impurity E|C4X-173714|4380-55-6 https://www.jk-sci.com/products/ts246cs-0054245 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0e95c1c543c8c33b5909a0588d1d07f.jpg?v=1791678483 (2-Oxoindolin-5-yl)boronic acid, 95% | 1051316-38-1 (2-Oxoindolin-5-yl)boronic acid|CS-0054245|1051316-38-1 https://www.jk-sci.com/products/s57c4x-173312 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa9c84f3dd0345861ac0ed36b9c6d243.jpg?v=1791714293 Piroxicam EP Impurity L(Meloxicam EP Impurity F), 98.00% | 118854-48-1 Piroxicam EP Impurity L(Meloxicam EP Impurity F)|C4X-173312|118854-48-1 https://www.jk-sci.com/products/s57c4x-17327 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553890.png?v=1791714303 Piperacillin Sodium EP Impurity G, 97.70% | 63422-71-9 Piperacillin Sodium EP Impurity G|C4X-17327|63422-71-9 https://www.jk-sci.com/products/ts246cs-0054134 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fb8c55bc4279cafc0223363106d3f74.jpg?v=1791678564 4-Bromo-2-(piperazin-1-yl)thiazole, 97% | 668484-59-1 4-Bromo-2-(piperazin-1-yl)thiazole|CS-0054134|668484-59-1 https://www.jk-sci.com/products/ts246cs-0053962 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70c678956cba35ddbca43bb874de7805.jpg?v=1791678627 Spiro[indoline-3,4'-piperidin]-2-one hydrochloride, 98.87%+ | 356072-46-3 Spiro[indoline-3,4'-piperidin]-2-one hydrochloride|CS-0053962|356072-46-3 https://www.jk-sci.com/products/ts246cs-0053940 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343177.png?v=1791678637 6-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine, 98% | 108281-78-3 6-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine|CS-0053940|108281-78-3 https://www.jk-sci.com/products/ts246cs-0054061 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c7f5215398433bfb1233d1c96def288.jpg?v=1791678591 2-Bromo-5-fluoro-4-iodopyridine, 98% | 1061357-89-8 2-Bromo-5-fluoro-4-iodopyridine|CS-0054061|1061357-89-8 https://www.jk-sci.com/products/ts246cs-0054255 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf79f83f02e4f1e4ea41d0f9fe9bf174.jpg?v=1791678464 6-Fluoro-3-iodo-1H-indazole, 98% | 885522-07-6 6-Fluoro-3-iodo-1H-indazole|CS-0054255|885522-07-6 https://www.jk-sci.com/products/ts246cs-0054232 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dea2e78be679481b3f3e3fc0dee4b94c.jpg?v=1791678490 6-Iodo-2,3-dihydro-1H-indol-2-one, 95.00%+ | 919103-45-0 6-Iodo-2,3-dihydro-1H-indol-2-one|CS-0054232|919103-45-0 https://www.jk-sci.com/products/ts246cs-0053995 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/180d80341b3c6125e05f725cd8edb553.jpg?v=1791678607 3-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine, 99.20%+ | 114040-06-1 3-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine|CS-0053995|114040-06-1 https://www.jk-sci.com/products/ts246cs-0054267 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790739.png?v=1791678463 1-Methyl-4-nitro-1H-indazole, 96% | 26120-43-4 1-Methyl-4-nitro-1H-indazole|CS-0054267|26120-43-4 https://www.jk-sci.com/products/s57c4x-173718 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06cbab389cb14f97af6b12ba6eff988a.jpg?v=1791714278 Prednisolone Impurity 18, 99.00% | 898-84-0 Prednisolone Impurity 18|C4X-173718|898-84-0 https://www.jk-sci.com/products/ts246cs-0054285 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43d3a9a6013a30ddb8b3f348555a23c1.jpg?v=1791678448 2-(4-Methoxyphenyl)cyclopropane-1-carboxylic acid, 97% | 92016-94-9 2-(4-Methoxyphenyl)cyclopropane-1-carboxylic acid|CS-0054285|92016-94-9 https://www.jk-sci.com/products/ts246cs-0054300 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39c25db307e021454a7a36ec5c696bcd.jpg?v=1791678443 2,5-Dichloro-4-methoxypyridine, 98% | 1122090-95-2 2,5-Dichloro-4-methoxypyridine|CS-0054300|1122090-95-2 https://www.jk-sci.com/products/ts246cs-0054306 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e13e3535fc6e33c8ce1e04df015502a.jpg?v=1791678433 (6-Bromo-1H-indazol-3-yl)methanol, 97.00%+ | 885518-29-6 (6-Bromo-1H-indazol-3-yl)methanol|CS-0054306|885518-29-6 https://www.jk-sci.com/products/s57c4x-173721 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f316fa7f-a031-4a36-9b84-9f81c36a23c6.png?v=1791714273 Prednisolone Impurity 21, 97.00% Prednisolone Impurity 21|C4X-173721 https://www.jk-sci.com/products/ts246cs-0054315 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1634907156ceb422ce0866921d8786b.jpg?v=1791678433 6-Chloro-4-fluoro-1H-indazole, 98% | 885520-29-6 6-Chloro-4-fluoro-1H-indazole|CS-0054315|885520-29-6 https://www.jk-sci.com/products/s57c4x-17378 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e449746520a70db06ebfd582e1335f1.jpg?v=1791714268 Prednisolone EP Impurity H, 97.70% | 2427-64-7 Prednisolone EP Impurity H|C4X-17378|2427-64-7 https://www.jk-sci.com/products/ts246cs-0054330 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6763439b5ac0f01cc46ea40a425dabed.jpg?v=1791678411 Ethyl 4,5-dibromo-1H-imidazole-2-carboxylate, 97% | 74840-99-6 Ethyl 4,5-dibromo-1H-imidazole-2-carboxylate|CS-0054330|74840-99-6 https://www.jk-sci.com/products/ts246cs-0054352 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2254d4b94dc5fde4971764ee80b1ab5.jpg?v=1791678402 (4-(Ethylsulfonyl)phenyl)methanamine, 97% | 583837-94-9 (4-(Ethylsulfonyl)phenyl)methanamine|CS-0054352|583837-94-9 https://www.jk-sci.com/products/ts246cs-0054432 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206199.png?v=1791678360 4-Methoxycyclohexane-1-carboxylic acid, 98.02%+ | 95233-12-8 4-Methoxycyclohexane-1-carboxylic acid|CS-0054432|95233-12-8 https://www.jk-sci.com/products/s57c4x-173731 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/170eb903ff24188e4ba6cb3797ba1331.jpg?v=1791714273 Prednisolone Impurity 31, Purity: 99.7% | 6677-19-6 Prednisolone Impurity 31|C4X-173731|6677-19-6 https://www.jk-sci.com/products/ts246cs-0054322 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1499ec83413933411d64b5d5d3b23d7.jpg?v=1791678426 4-Bromo-1,5-dimethyl-1H-indazole, 98% | 1159511-77-9 4-Bromo-1,5-dimethyl-1H-indazole|CS-0054322|1159511-77-9 https://www.jk-sci.com/products/ts246cs-0054389 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5658d31d4e627a8a3174e1d1a3524cb7.jpg?v=1791678390 Dimethyl 1H-indole-2,6-dicarboxylate, 97% | 881040-29-5 Dimethyl 1H-indole-2,6-dicarboxylate|CS-0054389|881040-29-5 https://www.jk-sci.com/products/s57c4x-1741 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101101.png?v=1791714263 Quinapril hydrochloride, 96.80% | 82586-55-8 Quinapril hydrochloride|C4X-1741|82586-55-8 https://www.jk-sci.com/products/s57c4x-174410 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef0df452a9f08fc771f3656eb41fe004.jpg?v=1791714258 Ramipril EP Impurity A, 91.10% | 108313-11-7 Ramipril EP Impurity A|C4X-174410|108313-11-7 https://www.jk-sci.com/products/ts246cs-0054441 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afab432f8148daac5b6c1077e01c08a9.jpg?v=1791678353 6-Methoxy-1H-indazole-5-carbonitrile, 99.45%+ | 473417-50-4 6-Methoxy-1H-indazole-5-carbonitrile|CS-0054441|473417-50-4 https://www.jk-sci.com/products/ts246cs-0054448 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62c173ca25642aae93c5e11aeb592fc1.jpg?v=1791678349 2-Chloro-1,3-thiazole-4-carbonitrile, 97% | 944124-72-5 2-Chloro-1,3-thiazole-4-carbonitrile|CS-0054448|944124-72-5 https://www.jk-sci.com/products/s57c4x-174413 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790630.png?v=1791714253 Ramipril EP Impurity D, 97.10% | 108731-95-9 Ramipril EP Impurity D|C4X-174413|108731-95-9 https://www.jk-sci.com/products/s57c4x-174422 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1fb4fb13-f946-40e0-8a58-9252870345dc.png?v=1791714243 N-Nitroso Ramipril, 94.80% N-Nitroso Ramipril|C4X-174422 https://www.jk-sci.com/products/s57c4x-17442 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3110564fcbf2e195175bd13c27f51eec.jpg?v=1791714249 Ramipril EP Impurity H Oxalate, 96.80% | 104195-90-6 Ramipril EP Impurity H Oxalate|C4X-17442|104195-90-6 https://www.jk-sci.com/products/ts246cs-0054487 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/012b89f68b42df5f86876eaf426acb46.jpg?v=1791678316 1H-Pyrrolo[3,2-b]pyridine-3-carbonitrile, 97.00%+ | 1196151-62-8 1H-Pyrrolo[3,2-b]pyridine-3-carbonitrile|CS-0054487|1196151-62-8 https://www.jk-sci.com/products/ts246cs-0054470 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5a0f66d7672b125f2ba2c9562d0393.jpg?v=1791678329 3-(Trifluoromethyl)-1H-pyrazole-4-carbonitrile, 99.91%+ | 318951-60-9 3-(Trifluoromethyl)-1H-pyrazole-4-carbonitrile|CS-0054470|318951-60-9 https://www.jk-sci.com/products/s57c4x-174415 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790631.png?v=1791714252 Ramipril EP Impurity K, 92.00% | 108736-10-3 Ramipril EP Impurity K|C4X-174415|108736-10-3 https://www.jk-sci.com/products/ts246cs-0054497 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b27bfb84220d517e2875a89baffca8ab.jpg?v=1791678305 Methyl 5-bromo-3-methoxypicolinate, 98.00%+ | 1142192-55-9 Methyl 5-bromo-3-methoxypicolinate|CS-0054497|1142192-55-9 https://www.jk-sci.com/products/ts246cs-0050596 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a367b3eae11330b25f8350fd8896069.jpg?v=1791680324 5-Bromo-3-nitropyridine-2-carboxylic acid, 98% | 954240-89-2 5-Bromo-3-nitropyridine-2-carboxylic acid|CS-0050596|954240-89-2 https://www.jk-sci.com/products/ts246cs-0054506 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ed0b8f4d4e371320ebd31ee714ed82.jpg?v=1791678290 6-Methyl-1H-indazol-5-amine, 97% | 81115-45-9 6-Methyl-1H-indazol-5-amine|CS-0054506|81115-45-9 https://www.jk-sci.com/products/ts246cs-0052918 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f73e8ebdcb1ecfd3c483d9fc5ed2e569.jpg?v=1791679115 1-(2-Aminothiazol-5-yl)ethanone, 97% | 53159-71-0 1-(2-Aminothiazol-5-yl)ethanone|CS-0052918|53159-71-0 https://www.jk-sci.com/products/ts246cs-0054542 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ea2f359b70a1aea92072b2bc229431b.jpg?v=1791678253 5-Fluorobenzo[d]oxazol-2-amine, 98% | 1682-39-9 5-Fluorobenzo[d]oxazol-2-amine|CS-0054542|1682-39-9 https://www.jk-sci.com/products/ts246cs-0053310 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54d6734d33a22ceebb0221ceec5bcee0.jpg?v=1791678939 (R)-Pyrrolidine-3-carbonitrile hydrochloride, 97% | 1153950-54-9 (R)-Pyrrolidine-3-carbonitrile hydrochloride|CS-0053310|1153950-54-9 https://www.jk-sci.com/products/ts246cs-0053620 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c52c7cfd92d9e03ebb4e8bc6199b229.jpg?v=1791678806 (1R,2S,5S)-rel-3-[(tert-Butoxy)carbonyl]-3-azabicyclo[3.1.0]hexane-2-carboxylic acid, 97% | 1051393-66-8 (1R,2S,5S)-rel-3-[(tert-Butoxy)carbonyl]-3-azabicyclo[3.1.0]hexane-2-carboxylic acid|CS-0053620|1051393-66-8 https://www.jk-sci.com/products/s57c4x-1745 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517825.png?v=1791714242 Ropinirole Hydrochloride, 99.50% | 91374-20-8 Ropinirole Hydrochloride|C4X-1745|91374-20-8 https://www.jk-sci.com/products/s57c4x-17453 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9027277e9baa30b9647d4822cd73af7b.jpg?v=1791714235 Ropinirole Impurity 3 HCl, 90.00% | 1076199-41-1 Ropinirole Impurity 3 HCl|C4X-17453|1076199-41-1 https://www.jk-sci.com/products/s57c4x-17463 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446d7c460177402775e9effa8142521c.jpg?v=1791714227 Rapamycin-d3 (Sirolimus-d3), Purity>95% | 392711-19-2 Rapamycin-d3 (Sirolimus-d3)|C4X-17463|392711-19-2 https://www.jk-sci.com/products/s57c4x-174910 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adc6b3575879fabf754a14db3246759f.jpg?v=1791714223 Riociguat, 99.30% | 625115-55-1 Riociguat|C4X-174910|625115-55-1 https://www.jk-sci.com/products/ts246cs-0054053 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c91f5c869b34d6742cd5715cfa88c446.jpg?v=1791678595 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one, 98.00%+ | 34682-99-0 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one|CS-0054053|34682-99-0 https://www.jk-sci.com/products/s57c4x-17496 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db912ff07b7149fc85a23b3729969094.jpg?v=1791714217 Riociguat EP Impurity C, Purity: 98.1% | 2920299-23-4 Riociguat EP Impurity C|C4X-17496|2920299-23-4 https://www.jk-sci.com/products/ts246cs-0053860 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784572_83ea9a06-cfbe-43fb-9750-bc8606068877.png?v=1791678690 Ethyl 3-hydroxyisonicotinate, 99.94%+ | 18342-97-7 Ethyl 3-hydroxyisonicotinate|CS-0053860|18342-97-7 https://www.jk-sci.com/products/ts246cs-0053951 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ac3c3f70631e86ff11fb0478c2e471b.jpg?v=1791678627 Ethyl 1-methylimidazole-4-carboxylate, 97% | 41507-56-6 Ethyl 1-methylimidazole-4-carboxylate|CS-0053951|41507-56-6 https://www.jk-sci.com/products/ts246cs-0054144 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a955988aa97b477b72c6a5b41a35a42.jpg?v=1791678550 Azepane-2-carboxylic acid, 97% | 5227-53-2 Azepane-2-carboxylic acid|CS-0054144|5227-53-2 https://www.jk-sci.com/products/s57c4x-174920 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5df2c8af29aa7047db18de23017e949.jpg?v=1791714224 Riociguat Impurity 20, 97.90% | 428854-24-4 Riociguat Impurity 20|C4X-174920|428854-24-4 https://www.jk-sci.com/products/ts246cs-0054289 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6622fd18ccfb64d353f08f655f4fe205.jpg?v=1791678443 7-Bromoisoquinolin-3-ol, 98% | 662139-46-0 7-Bromoisoquinolin-3-ol|CS-0054289|662139-46-0 https://www.jk-sci.com/products/ts246cs-0054264 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62b2da0714f2aaa1e6762ecc6cc6fc74.jpg?v=1791678463 1-Methyl-1H-indazol-4-ol, 97% | 144528-23-4 1-Methyl-1H-indazol-4-ol|CS-0054264|144528-23-4 https://www.jk-sci.com/products/ts246cs-0054235 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276579.png?v=1791678487 2-Oxoindoline-5-carbonitrile, 95% | 61394-50-1 2-Oxoindoline-5-carbonitrile|CS-0054235|61394-50-1 https://www.jk-sci.com/products/s57c4x-17507 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/097b660711325a0731541e8f0e04a082.jpg?v=1791714213 Risedronate Impurity 7, Purity: 99.4% | 75755-10-1 Risedronate Impurity 7|C4X-17507|75755-10-1 https://www.jk-sci.com/products/ts246cs-0054307 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248051_3edd7189-55bd-4bbf-9028-61d47cdafbdb.png?v=1791678433 Methyl 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylate, 98% | 106429-57-6 Methyl 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylate|CS-0054307|106429-57-6 https://www.jk-sci.com/products/ts246cs-0054326 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d34ec89c58f7f6dc41a5a7148c4c0753.jpg?v=1791678415 4-Bromo-3-(trifluoromethyl)-1H-indazole, 99.49%+ | 1211583-69-5 4-Bromo-3-(trifluoromethyl)-1H-indazole|CS-0054326|1211583-69-5 https://www.jk-sci.com/products/ts246cs-0054387 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a1cc555bc6fdca6f88286b3886b0184.jpg?v=1791678390 3-Methyl-1H-indole-6-carboxylic acid, 96% | 201286-69-3 3-Methyl-1H-indole-6-carboxylic acid|CS-0054387|201286-69-3 https://www.jk-sci.com/products/ts246cs-0054435 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79bd3b9ce40c300660d3850663b3c316.jpg?v=1791678360 4-Methylpiperidine-4-carboxylic acid hydrochloride, 97% | 919354-20-4 4-Methylpiperidine-4-carboxylic acid hydrochloride|CS-0054435|919354-20-4 https://www.jk-sci.com/products/ts246cs-0054469 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14db2fa83c1bf54911165089195181bb.jpg?v=1791678334 3,5-Dimethyl-1H-pyrazole-4-carbonitrile, 97.00%+ | 108161-12-2 3,5-Dimethyl-1H-pyrazole-4-carbonitrile|CS-0054469|108161-12-2 https://www.jk-sci.com/products/ts246cs-0054534 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f630a23450f4c0171a4675bc59566ca3.jpg?v=1791678256 4-(Trifluoromethyl)thiazole-2-carbaldehyde, 98% | 354587-75-0 4-(Trifluoromethyl)thiazole-2-carbaldehyde|CS-0054534|354587-75-0 https://www.jk-sci.com/products/ts246cs-0054492 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b36caf156b209251255ba037e0b9971.jpg?v=1791678310 1-Methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole, 96% | 903499-35-4 1-Methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole|CS-0054492|903499-35-4 https://www.jk-sci.com/products/s57c4x-175110 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f704cd3c60f09bb12ff90968335def8e.jpg?v=1791714212 Ritonavir EP Impurity J, 99.50% | 162849-95-8 Ritonavir EP Impurity J|C4X-175110|162849-95-8 https://www.jk-sci.com/products/s57c4x-175113 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05482607ca4a627b8a730ecbfa4ab3bd.jpg?v=1791714205 Ritonavir EP Impurity L, 97.40% | 256328-82-2 Ritonavir EP Impurity L|C4X-175113|256328-82-2 https://www.jk-sci.com/products/ts246cs-0054589 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b5728c66901808f3fa23889a58c5089.jpg?v=1791678230 tert-Butyl ((3R,4R)-rel-4-hydroxytetrahydrofuran-3-yl)carbamate, 98% | 1631070-69-3 tert-Butyl ((3R,4R)-rel-4-hydroxytetrahydrofuran-3-yl)carbamate|CS-0054589|1631070-69-3 https://www.jk-sci.com/products/s57c4x-175116 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fc5014aca55aedb585548206059682a.jpg?v=1791714202 Ritonavir EP Impurity E, 94.30% | 176655-56-4 Ritonavir EP Impurity E|C4X-175116|176655-56-4 https://www.jk-sci.com/products/s57c4x-175125 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe9fb10d7925a034f491a49b7515eb92.jpg?v=1791714190 Ritonavir EP Impurity T, 99.20% | 869368-48-9 Ritonavir EP Impurity T|C4X-175125|869368-48-9 https://www.jk-sci.com/products/s57c4x-17512 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345343.png?v=1791714200 Ritonavir EP Impurity A, 99.30% | 154212-61-0 Ritonavir EP Impurity A|C4X-17512|154212-61-0 https://www.jk-sci.com/products/ts246cs-0054580 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975930.png?v=1791678235 N-Methylcyclobutanamine hydrochloride, 97% | 848497-98-3 N-Methylcyclobutanamine hydrochloride|CS-0054580|848497-98-3 https://www.jk-sci.com/products/s57c4x-175122 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ed6b37d6af378d601b493d20bb158c2.jpg?v=1791714196 Ritonavir EP Impurity Q, 94.40% | 1414933-82-6 Ritonavir EP Impurity Q|C4X-175122|1414933-82-6 https://www.jk-sci.com/products/ts246cs-0054567 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b0188bda9251dd0df0f8dd9acf4680b.jpg?v=1791678244 tert-Butyl 2-oxoazetidine-1-carboxylate, 97.00%+ | 1140510-99-1 tert-Butyl 2-oxoazetidine-1-carboxylate|CS-0054567|1140510-99-1 https://www.jk-sci.com/products/s57c4x-17514 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b84db34978e404db3379f89cc9bac047.jpg?v=1791714192 Ritonavir EP Impurity D, 99.30% | 144142-33-6 Ritonavir EP Impurity D|C4X-17514|144142-33-6 https://www.jk-sci.com/products/s57c4x-175227 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e3806856-c535-41a4-acbd-4fc210f0a164.png?v=1791714174 Rizatriptan Impurity 27 Sodium Salt, 99.30% Rizatriptan Impurity 27 Sodium Salt|C4X-175227 https://www.jk-sci.com/products/ts246cs-0054635 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2df8882f645f04dfe413e01c4caf733e.jpg?v=1791678208 (Hexahydro-1H-pyrrolizin-7a-yl)methanamine, 98% | 78449-73-7 (Hexahydro-1H-pyrrolizin-7a-yl)methanamine|CS-0054635|78449-73-7 https://www.jk-sci.com/products/ts246cs-0054612 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b1487d175e8f3894fb189f56183d69c.jpg?v=1791678220 2-(1-Methylpiperidin-4-yl)acetic acid, 97% | 87647-06-1 2-(1-Methylpiperidin-4-yl)acetic acid|CS-0054612|87647-06-1 https://www.jk-sci.com/products/s57c4x-17515 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbbf557bd6b9cdf2c99af8679a2714f2.jpg?v=1791714182 Ritonavir EP Impurity F, 97.10% | 1010809-61-6 Ritonavir EP Impurity F|C4X-17515|1010809-61-6 https://www.jk-sci.com/products/s57c4x-17519 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29d08660bda0d2e6add37a9d324ebfe1.jpg?v=1791714179 Ritonavir EP Impurity I, 95.70% | 165315-26-4 Ritonavir EP Impurity I|C4X-17519|165315-26-4 https://www.jk-sci.com/products/s57c4x-175316 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f2cac864895e26b0506e7985fdd6d1b.jpg?v=1791714175 Ropivacaine Impurity 16, 91.00% | 1391053-59-0 Ropivacaine Impurity 16|C4X-175316|1391053-59-0 https://www.jk-sci.com/products/ts246cs-0054640 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546e3d1aeac05ba41c39be8eb90959fe.jpg?v=1791678203 1-(5-Fluoropyrimidin-2-yl)ethanone, 97% | 905587-44-2 1-(5-Fluoropyrimidin-2-yl)ethanone|CS-0054640|905587-44-2 https://www.jk-sci.com/products/s57c4x-175326 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2b2787c-10b5-4bc6-b790-c8bf563d2321.png?v=1791714168 Ropivacaine Impurity 26, 99.70% Ropivacaine Impurity 26|C4X-175326 https://www.jk-sci.com/products/ts246cs-0054649 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6788bd64225942d81ae4777f5cdf3ea.jpg?v=1791678199 1-Methyl-6-nitro-1H-indazole-3-carboxylic acid, 98% | 1058740-77-4 1-Methyl-6-nitro-1H-indazole-3-carboxylic acid|CS-0054649|1058740-77-4 https://www.jk-sci.com/products/s57c4x-17535 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6d06c78b4bd1b7a5805a159ec6a328a.jpg?v=1791714165 Ropivacaine EP Impurity G HCI, Purity: 100.0% | 112773-90-7 Ropivacaine EP Impurity G HCI|C4X-17535|112773-90-7 https://www.jk-sci.com/products/ts246cs-0054656 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d161a77b1be261f80c208394a8c3b864.jpg?v=1791678196 5-Bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid, 96% | 800401-52-9 5-Bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid|CS-0054656|800401-52-9 https://www.jk-sci.com/products/s57c4x-175412 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6799f6602835461c8f41ab0f5852951.jpg?v=1791714161 Silodosin Depropanol Impurity1, 96.10% | 2052161-47-2 Silodosin Depropanol Impurity1|C4X-175412|2052161-47-2 https://www.jk-sci.com/products/ts246cs-0054686 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d08fc4b6b686563156dacf8845b3e5b.jpg?v=1791678181 Ethyl 3-bromoimidazo[1,5-a]pyridine-1-carboxylate, 99.89%+ | 138891-58-4 Ethyl 3-bromoimidazo[1,5-a]pyridine-1-carboxylate|CS-0054686|138891-58-4 https://www.jk-sci.com/products/s57c4x-175617 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76ca7d98d67c5acfecce1bd54c9e81ec.jpg?v=1791714155 Sulbactam Impurity 17, 91.30% | 24138-28-1 Sulbactam Impurity 17|C4X-175617|24138-28-1 https://www.jk-sci.com/products/s57c4x-17561 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346cdadf8bec3ddb490124f443032b8a.jpg?v=1791714158 Sulbactam EP Impurity A, 91.40% | 23315-18-6 Sulbactam EP Impurity A|C4X-17561|23315-18-6 https://www.jk-sci.com/products/ts246cs-0054693 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37885049af07f9c13e6f0e00fe23e4e2.jpg?v=1791678175 1H-Pyrazolo[4,3-b]pyridine-5-carboxylic acid, 95.96%+ | 1260670-03-8 1H-Pyrazolo[4,3-b]pyridine-5-carboxylic acid|CS-0054693|1260670-03-8 https://www.jk-sci.com/products/ts246cs-0054748 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b66f3e2e27a77cb64a6a49e341b7f3ea.jpg?v=1791678164 tert-Butyl 1-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate, 97% | 161152-76-7 tert-Butyl 1-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate|CS-0054748|161152-76-7 https://www.jk-sci.com/products/ts246cs-0054746 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303271.png?v=1791678169 6-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylic acid, 98% | 889939-56-4 6-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylic acid|CS-0054746|889939-56-4 https://www.jk-sci.com/products/s57c4x-17563 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28b2e31450421f1d46a3e6c17a2ecf6a.jpg?v=1791714150 Sulbactam EP Impurity C, 96.60% | 75527-87-6 Sulbactam EP Impurity C|C4X-17563|75527-87-6 https://www.jk-sci.com/products/ts246cs-0054807 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90ea7301f3bdf0b10442041c53ec03b.jpg?v=1791678149 Ethyl 5-bromoimidazo[1,2-a]pyrazine-2-carboxylate, 95.00%+ | 87597-27-1 Ethyl 5-bromoimidazo[1,2-a]pyrazine-2-carboxylate|CS-0054807|87597-27-1 https://www.jk-sci.com/products/ts246cs-0054845 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0408c725d29e5fecd933393303c5249a.jpg?v=1791678136 Methyl 4-amino-1H-indazole-6-carboxylate, 97.11%+ | 885518-51-4 Methyl 4-amino-1H-indazole-6-carboxylate|CS-0054845|885518-51-4 https://www.jk-sci.com/products/s57c4x-17565 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43fb3566c8a154db0d679146eaf85734.jpg?v=1791714146 Sulbactam EP Impurity E, 99.40% | 76646-91-8 Sulbactam EP Impurity E|C4X-17565|76646-91-8 https://www.jk-sci.com/products/ts246cs-0054858 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf6050acf5b55061679684af5d1edd6.jpg?v=1791678131 Methyl pyrazolo[1,5-a]pyrimidine-2-carboxylate, 98.00%+ | 331647-95-1 Methyl pyrazolo[1,5-a]pyrimidine-2-carboxylate|CS-0054858|331647-95-1 https://www.jk-sci.com/products/ts246cs-0054877 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a39aca93aeefa6ecd273c91eaaff5ed1.jpg?v=1791678118 4-Bromo-1H-indazol-3(2H)-one, 97% | 864845-15-8 4-Bromo-1H-indazol-3(2H)-one|CS-0054877|864845-15-8 https://www.jk-sci.com/products/ts246cs-0054862 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8afba8e599c9ce63af75f153f104208.jpg?v=1791678129 4-(4-Bromothiazol-2-yl)morpholine, 97% | 1017781-60-0 4-(4-Bromothiazol-2-yl)morpholine|CS-0054862|1017781-60-0 https://www.jk-sci.com/products/s57c4x-176015 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_16801c8b-09d5-4c14-8a65-c7ff2dce0db0.png?v=1791714139 Teneligliptin Impurity 15, Purity: 99.1% Teneligliptin Impurity 15|C4X-176015 https://www.jk-sci.com/products/s57c4x-176010 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c16e5927-f7cf-43f8-bbdf-3fad07846fbc.png?v=1791714143 Teneligliptin Impurity 10, 90.10% Teneligliptin Impurity 10|C4X-176010 https://www.jk-sci.com/products/s57c4x-176018 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5a77f28b-3e4c-4951-ac9b-93d47507c128.png?v=1791714135 Teneligliptin Impurity 18, 99.60% Teneligliptin Impurity 18|C4X-176018 https://www.jk-sci.com/products/ts246cs-0054928 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a372ed2b7058c8fe883a430757a1e0e5.jpg?v=1791678094 1-(tert-Butoxycarbonyl)-4-isopropylpiperidine-4-carboxylic acid, 98% | 1093396-57-6 1-(tert-Butoxycarbonyl)-4-isopropylpiperidine-4-carboxylic acid|CS-0054928|1093396-57-6 https://www.jk-sci.com/products/ts246cs-0054965 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24b4ef4789876547c57a71bdadc0aa1d.jpg?v=1791678080 (S)-4-Bromo-2,3-dihydro-1H-inden-1-amine, 97.94%+ | 1228570-71-5 (S)-4-Bromo-2,3-dihydro-1H-inden-1-amine|CS-0054965|1228570-71-5 https://www.jk-sci.com/products/s57c4x-176023 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44c2d9b711ca6e7366846b197c5488fe.jpg?v=1791714134 Teneligliptin impurity 23, 98.10% | 401564-34-9 Teneligliptin impurity 23|C4X-176023|401564-34-9 https://www.jk-sci.com/products/ts246cs-0054983 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c21282723ddddd99c92ad42451f0206.jpg?v=1791678074 Methyl 2-bromo-5-methylthiazole-4-carboxylate, 97% | 56355-61-4 Methyl 2-bromo-5-methylthiazole-4-carboxylate|CS-0054983|56355-61-4 https://www.jk-sci.com/products/s57c4x-176029 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd990c09-aadf-4473-931e-3cab71b321ae.png?v=1791714129 Teneligliptin impurity 29, Purity: 100.0% Teneligliptin impurity 29|C4X-176029 https://www.jk-sci.com/products/s57c4x-176037 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333b91f37109e66de042b41875af5d75.jpg?v=1791714127 Teneligliptin impurity 37, 96.20% | 1821705-03-6 Teneligliptin impurity 37|C4X-176037|1821705-03-6 https://www.jk-sci.com/products/ts246cs-0055009 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0733de7b91c5f742075988ba5642964.jpg?v=1791678059 2-Chloro-5-ethylpyridine, 99.58%+ | 90196-32-0 2-Chloro-5-ethylpyridine|CS-0055009|90196-32-0 https://www.jk-sci.com/products/ts246cs-0055019 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a70539fde68434cbee92ed3d1aaeb58.jpg?v=1791678049 1-Boc-4-(5-Methyl-1,3,4-oxadiazol-2-yl)piperidine, 97% | 280110-69-2 1-Boc-4-(5-Methyl-1,3,4-oxadiazol-2-yl)piperidine|CS-0055019|280110-69-2 https://www.jk-sci.com/products/ts246cs-0055026 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04a8379c7fa4eb4f32f472f133122d5e.jpg?v=1791678038 Spiro[2.5]octan-6-ylmethanol, 97% | 849671-56-3 Spiro[2.5]octan-6-ylmethanol|CS-0055026|849671-56-3 https://www.jk-sci.com/products/s57c4x-176040 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a8077d1-27bc-4ece-8c1b-265c7d380413.png?v=1791714123 Teneligliptin Impurity 40 DiTFA salt, 94.90% Teneligliptin Impurity 40 DiTFA salt|C4X-176040 https://www.jk-sci.com/products/s57c4x-17609 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1c6bf29b8305446054ba3e3765c8e6a.jpg?v=1791714119 Teneligliptin Impurity 9, 96.50% | 2407632-38-4 Teneligliptin Impurity 9|C4X-17609|2407632-38-4 https://www.jk-sci.com/products/ts246cs-0055084 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a36b68d6773d765effaaeb289dd57f8.jpg?v=1791678001 Methyl 3-amino-1-methyl-1H-pyrazole-5-carboxylate, 98% | 89088-56-2 Methyl 3-amino-1-methyl-1H-pyrazole-5-carboxylate|CS-0055084|89088-56-2 https://www.jk-sci.com/products/ts246cs-0055039 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/873586b58ec6cf251368bcb1b44a7dac.jpg?v=1791678032 (2S,5R)-1-Boc-2,5-dimethylpiperazine hydrochloride, 97.00%+ | 1374975-96-8 (2S,5R)-1-Boc-2,5-dimethylpiperazine hydrochloride|CS-0055039|1374975-96-8 https://www.jk-sci.com/products/ts246cs-0053101 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df544693ee84098089a3c47673eb2e23.jpg?v=1793049489 1-(Azetidin-3-yl)-N,N-dimethylmethanamine dihydrochloride, 95.00%+ | 321890-22-6 1-(Azetidin-3-yl)-N,N-dimethylmethanamine dihydrochloride|CS-0053101|321890-22-6 https://www.jk-sci.com/products/ts246cs-0054161 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec3edf4f0176b98c4008693350237a02.jpg?v=1791678530 5-Nitro-2-(trifluoromethyl)pyridin-4-ol, 95% | 438554-44-0 5-Nitro-2-(trifluoromethyl)pyridin-4-ol|CS-0054161|438554-44-0 https://www.jk-sci.com/products/ts246cs-0053973 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ae87d2b327899b528ade019126c0341.jpg?v=1791678621 3-(4-Bromophenyl)cyclobutan-1-one, 97% | 254892-91-6 3-(4-Bromophenyl)cyclobutan-1-one|CS-0053973|254892-91-6 https://www.jk-sci.com/products/ts246cs-0054254 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6352cc6e8031b66745bcad2acad0a026.jpg?v=1791678468 6-Bromo-5-fluoroindolin-2-one, 96% | 893620-44-5 6-Bromo-5-fluoroindolin-2-one|CS-0054254|893620-44-5 https://www.jk-sci.com/products/ts246cs-0053772 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f229f7100f25eee85cd8629a838fcb21.jpg?v=1791678745 (R)-3-Methoxypiperidine hydrochloride, 97% | 688809-95-2 (R)-3-Methoxypiperidine hydrochloride|CS-0053772|688809-95-2 https://www.jk-sci.com/products/ts246cs-0054335 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359736.png?v=1791678411 2,6-Dimethyl-4-nitroaniline, 97% | 16947-63-0 2,6-Dimethyl-4-nitroaniline|CS-0054335|16947-63-0 https://www.jk-sci.com/products/ts246cs-0054302 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/860ff5c5dfa94e26149773ef8f7787fd.jpg?v=1791678438 2-Fluorobenzene-1,4-dicarbonitrile, 95% | 1897-53-6 2-Fluorobenzene-1,4-dicarbonitrile|CS-0054302|1897-53-6 https://www.jk-sci.com/products/ts246cs-0054443 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7991a77f2dc69a8747a358e84d37283b.jpg?v=1791678350 Methyl 5-amino-3-chloropyridine-2-carboxylate, 97.00%+ | 1256825-20-3 Methyl 5-amino-3-chloropyridine-2-carboxylate|CS-0054443|1256825-20-3 https://www.jk-sci.com/products/ts246cs-0054565 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/247487_6eccc9dd-70b3-4789-bd21-890293d32ef0.png?v=1791678245 1,3-Dimethyl-1H-pyrazole-5-carbonitrile, 98% | 306936-77-6 1,3-Dimethyl-1H-pyrazole-5-carbonitrile|CS-0054565|306936-77-6 https://www.jk-sci.com/products/ts246cs-0054504 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60eb92dabef1851cfc76cb2123395d93.jpg?v=1791678295 Methyl 1-benzothiophene-4-carboxylate, 98% | 100590-43-0 Methyl 1-benzothiophene-4-carboxylate|CS-0054504|100590-43-0 https://www.jk-sci.com/products/s57c4x-176418 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209394.png?v=1791714117 Tiotropium Bromide Impurity 18, 97.80% | 51-56-9 Tiotropium Bromide Impurity 18|C4X-176418|51-56-9 https://www.jk-sci.com/products/ts246cs-0054645 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479210_6ac79bd0-4ff3-47a0-914d-303df78b147a.png?v=1791678200 (3-Bromothiophen-2-yl)methanamine, 97% | 771574-41-5 (3-Bromothiophen-2-yl)methanamine|CS-0054645|771574-41-5 https://www.jk-sci.com/products/ts246cs-0054667 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82206e307d7eed95d2fb5fac08a1c7f9.jpg?v=1791678191 1-tert-Butyl 3-methyl 3-methylpiperidine-1,3-dicarboxylate, 97.00%+ | 888952-55-4 1-tert-Butyl 3-methyl 3-methylpiperidine-1,3-dicarboxylate|CS-0054667|888952-55-4 https://www.jk-sci.com/products/ts246cs-0054587 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ad13b81342b199d2ad176e3dd8c7508.jpg?v=1791678234 3,3-Difluoropropanoic acid, 97% | 155142-69-1 3,3-Difluoropropanoic acid|CS-0054587|155142-69-1 https://www.jk-sci.com/products/ts246cs-0054615 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41cfe60858bf57ed132de76da8cc031e.jpg?v=1791678214 2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine, 97.00%+ | 1112193-37-9 2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine|CS-0054615|1112193-37-9 https://www.jk-sci.com/products/s57c4x-17643 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee1b01035f87dbab8fb46a51ebb377b0.jpg?v=1791714113 Tiotropium Bromide EP Impurity C, 94.80% | 136310-95-7 Tiotropium Bromide EP Impurity C|C4X-17643|136310-95-7 https://www.jk-sci.com/products/ts246cs-0054797 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05d8c28f372107537ef3a49d9007edd6.jpg?v=1791678150 (S)-3-(Methoxymethyl)pyrrolidine, 97% | 535924-74-4 (S)-3-(Methoxymethyl)pyrrolidine|CS-0054797|535924-74-4 https://www.jk-sci.com/products/ts246cs-0054743 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1e3c9e7335860bbfa9cd7dd1b412ee3.jpg?v=1791678169 1-Methyl-1H-indazole, 97% | 13436-48-1 1-Methyl-1H-indazole|CS-0054743|13436-48-1 https://www.jk-sci.com/products/s57c4x-17646 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442657_ddcb4a51-8bf5-4af0-8a1f-5583651c44a3.png?v=1791714109 Tiotropium EP Impurity F, 99.00% | 704-38-1 Tiotropium EP Impurity F|C4X-17646|704-38-1 https://www.jk-sci.com/products/ts246cs-0054964 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8779a06febe736989ae493ec8a5016cc.jpg?v=1791678084 (R)-4-Bromo-2,3-dihydro-1H-inden-1-amine, 97% | 1228556-71-5 (R)-4-Bromo-2,3-dihydro-1H-inden-1-amine|CS-0054964|1228556-71-5 https://www.jk-sci.com/products/ts246cs-0054855 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570b02956aa953943251940a3566f485.jpg?v=1791678135 5-Hydroxy-1-naphthoic acid, 98% | 2437-16-3 5-Hydroxy-1-naphthoic acid|CS-0054855|2437-16-3 https://www.jk-sci.com/products/s57c4x-17648 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8e420a65f7e7480b02762fa9bdb6020.jpg?v=1791714108 Tiotropium Bromide EP Impurity H (Mixture of Enantiomers), 97.60% | 1044148-31-3 Tiotropium Bromide EP Impurity H (Mixture of Enantiomers)|C4X-17648|1044148-31-3 https://www.jk-sci.com/products/ts246cs-0054871 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eae736de3457af93ecbc4fb94e81b07f.jpg?v=1791678125 2-Chloro-7-fluoro-5H-pyrrolo[2,3-b]pyrazine, 96% | 1392803-74-5 2-Chloro-7-fluoro-5H-pyrrolo[2,3-b]pyrazine|CS-0054871|1392803-74-5 https://www.jk-sci.com/products/ts246cs-0054997 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b845311be24590aedc3066608fe67148.jpg?v=1791678059 1-Ethyl-1H-pyrazole-4-carboxylic acid, 98% | 400858-54-0 1-Ethyl-1H-pyrazole-4-carboxylic acid|CS-0054997|400858-54-0 https://www.jk-sci.com/products/s57c4x-17661 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c265b39d09da70c22b283a61264a098.jpg?v=1791714104 Tolnaftate Impurity 1, 95.00% | 61551-82-4 Tolnaftate Impurity 1|C4X-17661|61551-82-4 https://www.jk-sci.com/products/ts246cs-0055024 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d48c5c561faca8315ef4090ebb93b2e9.jpg?v=1791678038 2,6-Dichloropyrimidine-4-carboxamide, 95% | 98136-42-6 2,6-Dichloropyrimidine-4-carboxamide|CS-0055024|98136-42-6 https://www.jk-sci.com/products/ts246cs-0055048 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb8c39df195ea7695cbfeb51cdc42537.jpg?v=1791678022 3-(Methoxycarbonyl)cyclohexanecarboxylic acid, 97.00%+ | 25090-39-5 3-(Methoxycarbonyl)cyclohexanecarboxylic acid|CS-0055048|25090-39-5 https://www.jk-sci.com/products/s57c4x-17681 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d2a8f0b8fc795c450bafd9efd3b8d7d.jpg?v=1791714098 Topiramate Impurity 1, 99.40% | 32785-90-3 Topiramate Impurity 1|C4X-17681|32785-90-3 https://www.jk-sci.com/products/ts246cs-0055107 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb8e90e1542622b6dc22054fe214fe5d.jpg?v=1791677980 (R)-2-(2,5-Difluorophenyl)pyrrolidine, 97% | 1218935-59-1 (R)-2-(2,5-Difluorophenyl)pyrrolidine|CS-0055107|1218935-59-1 https://www.jk-sci.com/products/s57c4x-176817 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82cee165a2dea1c19793117a64a2b445.jpg?v=1791714098 Topiramate Impurity 17, 99.00% | 97240-80-7 Topiramate Impurity 17|C4X-176817|97240-80-7 https://www.jk-sci.com/products/ts246cs-0055191 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cbf6abf52131d6603a82f2401c4b14e.jpg?v=1791677969 Methyl 3-iodoimidazo[1,2-a]pyridine-6-carboxylate, 98.00%+ | 460087-82-5 Methyl 3-iodoimidazo[1,2-a]pyridine-6-carboxylate|CS-0055191|460087-82-5 https://www.jk-sci.com/products/ts246cs-0055198 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee20a483fc94496ce2663e9b758564b4.jpg?v=1791677959 1H-Imidazo[4,5-c]pyridine-4-carbonitrile, 98% | 1078168-19-0 1H-Imidazo[4,5-c]pyridine-4-carbonitrile|CS-0055198|1078168-19-0 https://www.jk-sci.com/products/ts246cs-0055205 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8238101c5c241d79abc3992cb1546b2.jpg?v=1791677959 1H-Pyrazole-3,4-diamine, 95% | 16461-98-6 1H-Pyrazole-3,4-diamine|CS-0055205|16461-98-6 https://www.jk-sci.com/products/ts246cs-0055271 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62e4d55f3037ef6e9a87aa32bb71fe80.jpg?v=1791677933 (2-Chloro-4-methanesulfonylphenyl)methanol, 97% | 181300-40-3 (2-Chloro-4-methanesulfonylphenyl)methanol|CS-0055271|181300-40-3 https://www.jk-sci.com/products/ts246cs-0055258 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a72e499f95dd9e1a191c6546f7816be.jpg?v=1791677944 Imidazo[1,2-a]pyridine-8-carbonitrile, 99.94%+ | 136117-70-9 Imidazo[1,2-a]pyridine-8-carbonitrile|CS-0055258|136117-70-9 https://www.jk-sci.com/products/ts246cs-0055391 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c70443e8af006a427283e79cadcec5c.jpg?v=1791677918 {6,6-Difluorospiro[3.3]heptan-2-yl}methanamine hydrochloride, 97% | 1638765-23-7 {6,6-Difluorospiro[3.3]heptan-2-yl}methanamine hydrochloride|CS-0055391|1638765-23-7 https://www.jk-sci.com/products/s57c4x-176828 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3780f76d22ea65c3b866a29a1206da0.jpg?v=1791714092 Topiramate Impurity 28, 99.40% | 53209-16-8 Topiramate Impurity 28|C4X-176828|53209-16-8 https://www.jk-sci.com/products/s57c4x-17685 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f42c0982dd5d7a27ce15ab95afd4a01.jpg?v=1791714087 Topiramate Impurity 5, 94.00% | 876403-98-4 Topiramate Impurity 5|C4X-17685|876403-98-4 https://www.jk-sci.com/products/ts246cs-0055729 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae891868c00e3027c92e0f69655faccc.jpg?v=1791677885 4H,5H-Pyrazolo[1,5-a]pyrazin-4-one, 98% | 1301714-00-0 4H,5H-Pyrazolo[1,5-a]pyrazin-4-one|CS-0055729|1301714-00-0 https://www.jk-sci.com/products/ts246cs-0055778 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d44793534b41263038339656ecc02e0b.jpg?v=1791677869 Bpin-Cyclohexene-C-COOEt, 97% | 1166829-70-4 Bpin-Cyclohexene-C-COOEt|CS-0055778|1166829-70-4 https://www.jk-sci.com/products/ts246cs-0055818 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455ae11842b5d9a78e924201c7e213ee.jpg?v=1791677864 (1R)-1-Cyclobutylethan-1-amine hydrochloride, 98.00%+ | 677743-79-2 (1R)-1-Cyclobutylethan-1-amine hydrochloride|CS-0055818|677743-79-2 https://www.jk-sci.com/products/s57c4x-16187 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/307b59c6e927d3d2ab85ee0c8a8ae462.jpg?v=1791715564 Dipyridamole EP Impurity G, 99.10% | 7139-02-8 Dipyridamole EP Impurity G|C4X-16187|7139-02-8 https://www.jk-sci.com/products/s57c4x-15105 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d63de9ea1d2f5e2120e8658072d03905.jpg?v=1791716363 Calcitriol EP Impurity B, 96.10% | 66791-71-7 Calcitriol EP Impurity B|C4X-15105|66791-71-7 https://www.jk-sci.com/products/ts246cs-0055869 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117241.png?v=1791677861 7-Bromo-4,5-difluoro-1H-indole, 98% | 877160-16-2 7-Bromo-4,5-difluoro-1H-indole|CS-0055869|877160-16-2 https://www.jk-sci.com/products/s57c4x-157710 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab17351f-8fa8-4963-b4be-689e10dc04ec.png?v=1791715811 Cefazolin EP Impurity L, 95.50% Cefazolin EP Impurity L|C4X-157710 https://www.jk-sci.com/products/ts246cs-0055871 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab86bb8284338ea3bb59eec942ce2b91.jpg?v=1791677859 7-Bromo-1-methyl-2,3-dihydro-1H-indol-2-one, 98% | 100831-25-2 7-Bromo-1-methyl-2,3-dihydro-1H-indol-2-one|CS-0055871|100831-25-2 https://www.jk-sci.com/products/ts246cs-0056007 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f36fc2bade5ce32408a315084abeb3f1.jpg?v=1791677843 (1S,2S)-rel-2-(Pyridin-2-yl)cyclopropane-1-carboxylic acid, 95% | 731811-62-4 (1S,2S)-rel-2-(Pyridin-2-yl)cyclopropane-1-carboxylic acid|CS-0056007|731811-62-4 https://www.jk-sci.com/products/s57c4x-16297 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc03d9d562a6a89f75f0a53ee99b8872.jpg?v=1791715426 Entacapone Impurity 7, Purity: 99.8% | 1215039-66-9 Entacapone Impurity 7|C4X-16297|1215039-66-9 https://www.jk-sci.com/products/ts246cs-0056048 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cae85757b3ca4e7539213a800e78f4d.jpg?v=1791677832 2-Amino-2-cyclopropylacetonitrile hydrochloride, 95% | 381241-00-5 2-Amino-2-cyclopropylacetonitrile hydrochloride|CS-0056048|381241-00-5 https://www.jk-sci.com/products/s57c4x-165018 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2aa2f1f6f6df768d1694e3e0fbbc191.jpg?v=1791715298 Fluticasone Propionate EP Impurity D, 97.20% | 73205-13-7 Fluticasone Propionate EP Impurity D|C4X-165018|73205-13-7 https://www.jk-sci.com/products/ts246cs-0056162 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/858e2a524a24349a3d77d696560afcc8.jpg?v=1791677807 4-Fluoro-1H-indazol-7-amine, 98.00%+ | 866144-03-8 4-Fluoro-1H-indazol-7-amine|CS-0056162|866144-03-8 https://www.jk-sci.com/products/ts246cs-0056218 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361db5f5405a0015108670364b6812a1.jpg?v=1791677791 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-benzothiazole, 98.00%+ | 791614-90-9 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-benzothiazole|CS-0056218|791614-90-9 https://www.jk-sci.com/products/s57c4x-16601 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454107_78087bd2-4a1b-4a48-a89f-ece8b69dd637.png?v=1791715231 Hydroxyzine Impurity 1, 96.40% | 628-89-7 Hydroxyzine Impurity 1|C4X-16601|628-89-7 https://www.jk-sci.com/products/ts246cs-0056274 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dde14d13263fc4181b43bc10ab2038b.jpg?v=1791677786 Ethyl 2-(thietan-3-ylidene)acetate, 98% | 1223573-30-5 Ethyl 2-(thietan-3-ylidene)acetate|CS-0056274|1223573-30-5 https://www.jk-sci.com/products/ts246cs-0053524 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8360940a3b4700c509e2aa2e63e416c5.jpg?v=1791678851 (2-Methoxypyrimidin-5-yl)methanol, 98% | 1158735-09-1 (2-Methoxypyrimidin-5-yl)methanol|CS-0053524|1158735-09-1 https://www.jk-sci.com/products/ts246cs-0056507 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4646de3a415e4abd29e2765ea7421079.jpg?v=1791677772 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde, 97% | 1171920-17-4 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde|CS-0056507|1171920-17-4 https://www.jk-sci.com/products/s57c4x-166715 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406240_03b82380-a5c2-4a47-a87b-fd2737666820.png?v=1791715172 Irinotecan Impurity 15, Purity: 95.2% | 143254-82-4 Irinotecan Impurity 15|C4X-166715|143254-82-4 https://www.jk-sci.com/products/s57c4x-167322 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202647_75dc57af-f804-4d7c-a17a-a7bae5ba1aea.png?v=1791715099 Leflunomide impurity 22, 99.30% | 1960-77-6 Leflunomide impurity 22|C4X-167322|1960-77-6 https://www.jk-sci.com/products/ts246cs-0054066 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a00dc8638c25acd627e675f2879452c.jpg?v=1791678584 Ethyl 2-oxoindoline-5-carboxylate, 98% | 61394-49-8 Ethyl 2-oxoindoline-5-carboxylate|CS-0054066|61394-49-8 https://www.jk-sci.com/products/s57c4x-167823 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116132_3f642a54-0bac-427f-926b-cfce39afcb2a.png?v=1791715026 L-Thyroxine, 83.30% | 51-48-9 L-Thyroxine|C4X-167823|51-48-9 https://www.jk-sci.com/products/ts246cs-0054272 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382948_975bced7-6229-4913-a98b-80b3f0f5d29d.png?v=1791678453 cis-Dimethyl cyclopropane-1,2-dicarboxylate, 97.00%+ | 826-34-6 cis-Dimethyl cyclopropane-1,2-dicarboxylate|CS-0054272|826-34-6 https://www.jk-sci.com/products/ts246cs-0054393 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f438601bf9e124baae99bb8e56e6d25f.jpg?v=1791678385 7-Azaspiro[3.5]nonan-2-ol hydrochloride, 97% | 587869-08-7 7-Azaspiro[3.5]nonan-2-ol hydrochloride|CS-0054393|587869-08-7 https://www.jk-sci.com/products/ts246cs-0054544 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5b5bf569820348f5d70b06040be5edc.jpg?v=1791678250 6-Chloro-2-(trifluoromethyl)pyridin-3-amine, 99.37%+ | 117519-13-8 6-Chloro-2-(trifluoromethyl)pyridin-3-amine|CS-0054544|117519-13-8 https://www.jk-sci.com/products/s57c4x-168318 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326804_0568f907-0eea-4fa7-8626-d56661f4c66b.png?v=1791714922 Losartan Impurity 18, 97.60% | 158365-99-2 Losartan Impurity 18|C4X-168318|158365-99-2 https://www.jk-sci.com/products/ts246cs-0054610 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41104a8e01a6f765dbf50dc2eb554cc.jpg?v=1791678220 Thiazol-2-ylmethanamine hydrochloride, 95% | 850852-85-6 Thiazol-2-ylmethanamine hydrochloride|CS-0054610|850852-85-6 https://www.jk-sci.com/products/ts246cs-0054747 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb033d5dd5e38d079566c84ab8ad684d.jpg?v=1791678165 (4-Methyltetrahydro-2H-pyran-4-yl)methanol, 98% | 502609-47-4 (4-Methyltetrahydro-2H-pyran-4-yl)methanol|CS-0054747|502609-47-4 https://www.jk-sci.com/products/ts246cs-0054861 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/725a95e92c98fc395d2c6c9911f0c13a.jpg?v=1791678131 4-(5-Bromothiazol-2-yl)morpholine, 97% | 933728-73-5 4-(5-Bromothiazol-2-yl)morpholine|CS-0054861|933728-73-5 https://www.jk-sci.com/products/ts246cs-0055123 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65c26f69a529ff86a8078862ff8894c7.jpg?v=1791677974 (S)-1-Benzyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate, 97% | 16217-15-5 (S)-1-Benzyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate|CS-0055123|16217-15-5 https://www.jk-sci.com/products/ts246cs-0054655 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96ecc04649559e1f1795b474e5f803ae.jpg?v=1791678196 3-Iodo-1H-indazole-6-carboxylic acid, 97% | 1086391-11-8 3-Iodo-1H-indazole-6-carboxylic acid|CS-0054655|1086391-11-8 https://www.jk-sci.com/products/ts246cs-0054979 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2d570f9cc9c95a6f3867322386e3639.jpg?v=1791678074 2-(Thiazol-5-yl)ethanamine dihydrochloride, 97% | 7730-82-7 2-(Thiazol-5-yl)ethanamine dihydrochloride|CS-0054979|7730-82-7 https://www.jk-sci.com/products/s57c4x-169010 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0655ad0-441b-4e30-a70a-a917f6bef00c.png?v=1791714889 Meloxicam Impurity 10, Purity: 99.6% Meloxicam Impurity 10|C4X-169010 https://www.jk-sci.com/products/s57c4x-169655 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fe65bc23a846e9df804ed2d443f36ad.jpg?v=1791714821 LCZ-696 Impurity 55, Purity: 99.5% | 1573000-33-5 LCZ-696 Impurity 55|C4X-169655|1573000-33-5 https://www.jk-sci.com/products/ts246cs-0055027 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7eda70d7498e90ec08f6e2f376b89da6.jpg?v=1791678032 Spiro[2.5]octan-6-ylmethanamine, 95% | 877201-35-9 Spiro[2.5]octan-6-ylmethanamine|CS-0055027|877201-35-9 https://www.jk-sci.com/products/s57c4x-169613 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d076a21020670d00df8a8160190de10c.jpg?v=1791714858 LCZ-696 Impurity 13, Purity: 99.8% | 2376611-98-0 LCZ-696 Impurity 13|C4X-169613|2376611-98-0 https://www.jk-sci.com/products/s57c4x-16975 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af0fa1b497a0aaaea76ab0a531e84ab7.jpg?v=1791714780 Miglitol Impurity C, 94.00% | 1550201-56-3 Miglitol Impurity C|C4X-16975|1550201-56-3 https://www.jk-sci.com/products/ts246cs-0055199 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f51343c0f7258e9b0b43f39a27c5f13.jpg?v=1791677959 (3R)-3-Iodooxolane, 98% | 873063-62-8 (3R)-3-Iodooxolane|CS-0055199|873063-62-8 https://www.jk-sci.com/products/s57c4x-17002 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220958_6f027b07-d4b9-454b-9f89-3816ddbea08a.png?v=1791714755 Minoxidil EP Impurity B, 99.60% | 156-83-2 Minoxidil EP Impurity B|C4X-17002|156-83-2 https://www.jk-sci.com/products/ts246cs-0055266 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c95dbaeb69718630b69ffe0a4d5145d4.jpg?v=1791677934 (2-Methyl-2H-indazol-4-yl)methanol, 97% | 1079992-60-1 (2-Methyl-2H-indazol-4-yl)methanol|CS-0055266|1079992-60-1 https://www.jk-sci.com/products/ts246cs-0055395 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c4289e9b95b6bc97e8dd6c2aede0e02.jpg?v=1791677918 4-Chloro-5-iodo-6-methylnicotinonitrile, 97% | 1160848-89-4 4-Chloro-5-iodo-6-methylnicotinonitrile|CS-0055395|1160848-89-4 https://www.jk-sci.com/products/ts246cs-0055870 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/802739_7e9b905e-2eb3-4acf-a82c-3df084d2a4dc.png?v=1791677859 7-Bromo-1-methyl-1H-indole, 98% | 280752-68-3 7-Bromo-1-methyl-1H-indole|CS-0055870|280752-68-3 https://www.jk-sci.com/products/ts246cs-0055787 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2f095f352a865f532061b10022b7b9a.jpg?v=1791677869 (2S,3aS,6aS)-Octahydrocyclopenta[b]pyrrole-2-carboxylic acid, 97% | 109428-53-7 (2S,3aS,6aS)-Octahydrocyclopenta[b]pyrrole-2-carboxylic acid|CS-0055787|109428-53-7 https://www.jk-sci.com/products/ts246cs-0056175 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e414e568ad62dc48532fc3ef9e92c36.jpg?v=1791677801 6-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole, 97% | 1802433-98-2 6-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole|CS-0056175|1802433-98-2 https://www.jk-sci.com/products/ts246cs-0056046 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4dfac338ee2a4a2237b7e89d746f6c1.jpg?v=1791677833 3-Amino-3-cyclopropylpropan-1-ol, 97% | 683220-79-3 3-Amino-3-cyclopropylpropan-1-ol|CS-0056046|683220-79-3 https://www.jk-sci.com/products/ts246cs-0056385 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cff5f5de8b8151b9ae0ba1b614906bb.jpg?v=1791677781 3-Methyl-1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 98% | 1486485-62-4 3-Methyl-1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole|CS-0056385|1486485-62-4 https://www.jk-sci.com/products/ts246cs-0056997 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8bab99549827a6702161add05f72a68.jpg?v=1791677720 2-(1-Aminocyclobutyl)acetonitrile, 95% | 1280293-22-2 2-(1-Aminocyclobutyl)acetonitrile|CS-0056997|1280293-22-2 https://www.jk-sci.com/products/ts246cs-0056827 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244543.png?v=1791677735 5-Methoxybenzofuran, 98.00%+ | 13391-28-1 5-Methoxybenzofuran|CS-0056827|13391-28-1 https://www.jk-sci.com/products/ts246cs-0058281 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/daac4e102b580ba7271a4ea55d75a5fa.jpg?v=1791677614 trans-4-(Hydroxymethyl)cyclohexanol, 98% | 3685-27-6 trans-4-(Hydroxymethyl)cyclohexanol|CS-0058281|3685-27-6 https://www.jk-sci.com/products/s57c4x-170616 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0f92b8d2-fe22-423d-9299-5f808593886a.png?v=1791714689 Mupirocin Calcium EP Impurity I, 99.70% Mupirocin Calcium EP Impurity I|C4X-170616 https://www.jk-sci.com/products/ts246cs-0056721 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ae801c1767c550eddfaedff55a91b93.jpg?v=1791677742 5-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine, 95.00%+ | 1259279-57-6 5-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine|CS-0056721|1259279-57-6 https://www.jk-sci.com/products/ts246cs-0057613 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ae82c1d48a64c9ab3630a059c262aca.jpg?v=1791677666 tert-Butyl (2S)-4,4-difluoro-2-[(methylamino)methyl]pyrrolidine-1-carboxylate, 98% | 1407997-82-3 tert-Butyl (2S)-4,4-difluoro-2-[(methylamino)methyl]pyrrolidine-1-carboxylate|CS-0057613|1407997-82-3 https://www.jk-sci.com/products/s57c4x-170826 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279590_7be1d3b5-83ae-4ee3-ba88-5517f13ec43b.png?v=1791714655 Naproxen Impurity 26, 99.70% | 23981-80-8 Naproxen Impurity 26|C4X-170826|23981-80-8 https://www.jk-sci.com/products/s57c4x-17202 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f34daccdf0c294ab98971e729151d1c.jpg?v=1791714537 Oseltamivir EP Impurity B, 96.00% | 2125702-80-7 Oseltamivir EP Impurity B|C4X-17202|2125702-80-7 https://www.jk-sci.com/products/s57c4x-1720 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124470_6a7defc1-5486-498d-adef-bed2614a5bde.png?v=1791714579 Oseltamivir Phosphate, 97.80% | 204255-11-8 Oseltamivir Phosphate|C4X-1720|204255-11-8 https://www.jk-sci.com/products/ts246cs-0057331 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77013ac2df152d7ef6bb6db428f99c02.jpg?v=1791677684 tert-Butyl 3,9-diazabicyclo[4.2.1]nonane-9-carboxylate, 97% | 1251015-63-0 tert-Butyl 3,9-diazabicyclo[4.2.1]nonane-9-carboxylate|CS-0057331|1251015-63-0 https://www.jk-sci.com/products/s57c4x-171311 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_03adbcc5-6b0c-47e0-b800-bae58b902684.png?v=1791714625 Norethindrone Impurity 11, 99.40% Norethindrone Impurity 11|C4X-171311 https://www.jk-sci.com/products/s57c4x-17042 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/429ad97e47e28b9f5531133130db48bc.jpg?v=1791714722 Mometasone Furoate EP Impurity H, 98.50% | 148596-90-1 Mometasone Furoate EP Impurity H|C4X-17042|148596-90-1 https://www.jk-sci.com/products/ts246cs-0057274 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38bcc064bfc2b798b5a2e143a0b4856d.jpg?v=1791677697 2-Methyl-2H-indazole-4-sulfonyl chloride, 97% | 1363381-73-0 2-Methyl-2H-indazole-4-sulfonyl chloride|CS-0057274|1363381-73-0 https://www.jk-sci.com/products/s57c4x-17096 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75822c514b8fe6c3099bba8e8dbb8909.jpg?v=1791714640 Nevirapine N1-Oxide, Purity: 99.6% | 162255-73-4 Nevirapine N1-Oxide|C4X-17096|162255-73-4 https://www.jk-sci.com/products/s57c4x-171820 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba4efe9bf61fee1f9ef81ddfb324f0d1.jpg?v=1791714614 Olopatadine Impurity 20, 97.90% | 962-95-8 Olopatadine Impurity 20|C4X-171820|962-95-8 https://www.jk-sci.com/products/s57c4x-172017 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_96cd7249-ccc6-44d1-b9c6-8505452b09f2.png?v=1791714548 (3R,4R,5R)-Oseltamivir HCl, 95.80% (3R,4R,5R)-Oseltamivir HCl|C4X-172017 https://www.jk-sci.com/products/ts246cs-0058449 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5691f56deb2971bfa32bba97b22411f9.jpg?v=1791677574 Thalidomide-O-amido-C6-NH2 (TFA), 97.00%+ | 1950635-14-9 Thalidomide-O-amido-C6-NH2 (TFA)|CS-0058449|1950635-14-9 https://www.jk-sci.com/products/ts246cs-0058020 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b7654e1df3d3e59334b285c35ec549b.jpg?v=1791677635 2-[(tert-Butoxy)carbonyl]-2-azaspiro[4.4]nonane-4-carboxylic acid, 97% | 1824298-88-5 2-[(tert-Butoxy)carbonyl]-2-azaspiro[4.4]nonane-4-carboxylic acid|CS-0058020|1824298-88-5 https://www.jk-sci.com/products/s57c4x-171833 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341c67e9bcb575c9267f5524cd75c840.jpg?v=1791714595 (E)-Olopatadine, 98.30% | 113806-06-7 (E)-Olopatadine|C4X-171833|113806-06-7 https://www.jk-sci.com/products/ts246cs-0058048 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/773839b9c57b078d775dc20a173354db.jpg?v=1791677633 5-Formylthiophene-3-carbonitrile, 98% | 51770-04-8 5-Formylthiophene-3-carbonitrile|CS-0058048|51770-04-8 https://www.jk-sci.com/products/s57c4x-1720130 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_75fe0ae8-ba02-4566-ab1b-f0e1a5544607.png?v=1791714569 Oseltamivir Impurity 130, 96.80% Oseltamivir Impurity 130|C4X-1720130 https://www.jk-sci.com/products/ts246cs-0057475 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5deb98563623ff1b266f3b806a1c4448.jpg?v=1791677678 2-Amino-5-fluoro-4-methoxybenzoic acid, 98% | 1363380-91-9 2-Amino-5-fluoro-4-methoxybenzoic acid|CS-0057475|1363380-91-9 https://www.jk-sci.com/products/ts246cs-0058344 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82fd0def1572db104c1183e8e2b1652a.jpg?v=1791677600 3-(Methoxycarbonyl)-1-methyl-1H-pyrazole-5-carboxylic acid, 98% | 117860-55-6 3-(Methoxycarbonyl)-1-methyl-1H-pyrazole-5-carboxylic acid|CS-0058344|117860-55-6 https://www.jk-sci.com/products/ts246cs-0057836 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cb8cce18d8e809da5e952e787805f18.jpg?v=1791677651 2,4-Dichloro-6-(propan-2-yl)pyrimidine, 98% | 89938-05-6 2,4-Dichloro-6-(propan-2-yl)pyrimidine|CS-0057836|89938-05-6 https://www.jk-sci.com/products/ts246cs-0054482 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f337bbe1a297c80ddf068f8595e690c0.jpg?v=1791678321 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine-2-carboxylate, 97% | 1610705-51-5 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine-2-carboxylate|CS-0054482|1610705-51-5 https://www.jk-sci.com/products/s57c4x-1720242 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8ebc8b4-266e-4d04-9653-bf549b7bb5ab.png?v=1791714519 Oseltamivir Impurity 218 DITFA, 93.30% Oseltamivir Impurity 218 DITFA|C4X-1720242 https://www.jk-sci.com/products/ts246cs-0054639 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9aaa65517244b6110a8646227fcafa24.jpg?v=1791678205 Isoquinolin-6-ylboronic acid, 97% | 899438-92-7 Isoquinolin-6-ylboronic acid|CS-0054639|899438-92-7 https://www.jk-sci.com/products/ts246cs-0055288 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaf9b6450591f10e2fabe7dbc2de6ef5.jpg?v=1791677928 6-Bromo-2-methyl-2H-indazol-5-ol, 97% | 1403767-25-8 6-Bromo-2-methyl-2H-indazol-5-ol|CS-0055288|1403767-25-8 https://www.jk-sci.com/products/ts246cs-0052703 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d211c740fd51c5b9383248bc449d47e8.jpg?v=1791679201 1-[(Tert-butoxy)carbonyl]-1-azaspiro[3.3]heptane-6-carboxylic acid, 97.00%+ | 1374659-11-6 1-[(Tert-butoxy)carbonyl]-1-azaspiro[3.3]heptane-6-carboxylic acid|CS-0052703|1374659-11-6 https://www.jk-sci.com/products/ts246cs-0054809 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607cf4500461be58e9fd58b8a140f36e.jpg?v=1791678147 (2R,4R)-1-(tert-Butoxycarbonyl)-4-methylpyrrolidine-2-carboxylic acid, 97% | 871727-77-4 (2R,4R)-1-(tert-Butoxycarbonyl)-4-methylpyrrolidine-2-carboxylic acid|CS-0054809|871727-77-4 https://www.jk-sci.com/products/s57c4x-172044 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3083680089d042c957c0cc3241c4c717.jpg?v=1791714507 Oseltamivir Impurity 44, 78.10% | 2413185-87-0 Oseltamivir Impurity 44|C4X-172044|2413185-87-0 https://www.jk-sci.com/products/ts246cs-0056109 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/727c01f84672e35e5bb96630a3242153.jpg?v=1791677823 Methyl 6-bromo-2-methyl-2H-indazole-3-carboxylate, 97.00%+ | 1216852-55-9 Methyl 6-bromo-2-methyl-2H-indazole-3-carboxylate|CS-0056109|1216852-55-9 https://www.jk-sci.com/products/ts246cs-0054218 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396800.png?v=1791678497 5-Chloro-2-methyl-3-nitroaniline, 97% | 219312-44-4 5-Chloro-2-methyl-3-nitroaniline|CS-0054218|219312-44-4 https://www.jk-sci.com/products/ts246cs-0055013 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4401af23948945de02529fc875f78bc3.jpg?v=1791678048 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbonitrile, 97% | 942070-34-0 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbonitrile|CS-0055013|942070-34-0 https://www.jk-sci.com/products/ts246cs-0055194 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1c4d245605b4dbcfe5835d0e7210d0d.jpg?v=1791677964 3-Iodo-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid, 98% | 1060816-80-9 3-Iodo-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid|CS-0055194|1060816-80-9 https://www.jk-sci.com/products/ts246cs-0058545 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3684c40a59e748e5caeb13b445361e5d.jpg?v=1791677564 tert-Butyl ((3S,4S)-4-fluoropyrrolidin-3-yl)carbamate, 98% | 213388-72-8 tert-Butyl ((3S,4S)-4-fluoropyrrolidin-3-yl)carbamate|CS-0058545|213388-72-8 https://www.jk-sci.com/products/ts246cs-0054318 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e3d2681fc52842198406ea65a7bc86a.jpg?v=1793049466 (1-Ethyl-1H-indazol-5-yl)boronic acid, 98% | 952319-70-9 (1-Ethyl-1H-indazol-5-yl)boronic acid|CS-0054318|952319-70-9 https://www.jk-sci.com/products/ts246cs-0058605 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/691bf5adcdf4610d09c7119929d8f5e3.jpg?v=1791677527 rel-(3aS,6aS)-tert-Butyl hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate, 98% | 1018443-32-7 rel-(3aS,6aS)-tert-Butyl hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate|CS-0058605|1018443-32-7 https://www.jk-sci.com/products/ts246cs-0056983 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fc31904a669fd3c55f46ffd9618b2b7.jpg?v=1791677719 3-Methoxycyclobutan-1-ol, 95% | 1432680-25-5 3-Methoxycyclobutan-1-ol|CS-0056983|1432680-25-5 https://www.jk-sci.com/products/s57c4x-172089 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a267405dd9d37e8f336f388927dd25.jpg?v=1791714483 Oseltamivir Impurity 89, 96.70% | 1234858-94-6 Oseltamivir Impurity 89|C4X-172089|1234858-94-6 https://www.jk-sci.com/products/ts246cs-0055865 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c46fc045859ba1a4980bccfdc4696b74.jpg?v=1791677864 tert-Butyl 6-formyl-1H-indole-1-carboxylate, 97% | 127956-28-9 tert-Butyl 6-formyl-1H-indole-1-carboxylate|CS-0055865|127956-28-9 https://www.jk-sci.com/products/s57c4x-172066 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c33be104842c5c3cdb10d70597eee3ef.jpg?v=1791714493 Ent-Oseltamivir Phosphate, 98.60% | 1035895-89-6 Ent-Oseltamivir Phosphate|C4X-172066|1035895-89-6 https://www.jk-sci.com/products/s57c4x-1724106 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_171a8912-f5c0-4def-ae9d-be5068a66d8a.png?v=1791714460 Paliperidone Impurity 106 HCl, 94.20% Paliperidone Impurity 106 HCl|C4X-1724106 https://www.jk-sci.com/products/ts246cs-0056695 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c3e9b115a603b9f68efd7e1ba539420.jpg?v=1791677752 5-Bromo-4-(trifluoromethyl)-1H-indazole, 98% | 1385821-29-3 5-Bromo-4-(trifluoromethyl)-1H-indazole|CS-0056695|1385821-29-3 https://www.jk-sci.com/products/s57c4x-172430 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595f6775684a4a83ad263b8703407c88.jpg?v=1791714444 Paliperidone Impurity 30, 92.20% | 1404053-60-6 Paliperidone Impurity 30|C4X-172430|1404053-60-6 https://www.jk-sci.com/products/ts246cs-0057309 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7689c6f21ab0d5ba46e1a693f3c244f.jpg?v=1791677688 2-Methyl-2H-pyrazolo[3,4-b]pyridine-5-carboxylic acid, 98% | 1363381-09-2 2-Methyl-2H-pyrazolo[3,4-b]pyridine-5-carboxylic acid|CS-0057309|1363381-09-2 https://www.jk-sci.com/products/s57c4x-172450 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1dde3e39323b6e6e6c853189ac6af60.jpg?v=1791714428 Paliperidone Impurity 50, 99.10% | 260273-82-3 Paliperidone Impurity 50|C4X-172450|260273-82-3 https://www.jk-sci.com/products/s57c4x-172517 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1617f70ede2c32a3bb74b8accbd31b96.jpg?v=1791714411 Pazopanib Impurity 17, 99.10% | 221681-92-1 Pazopanib Impurity 17|C4X-172517|221681-92-1 https://www.jk-sci.com/products/ts246cs-0057508 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c57244428a84de9d6306577645577fda.jpg?v=1791677672 4-Methoxy-3,5-dimethylpyridine-2-carboxylic acid, 97% | 138569-60-5 4-Methoxy-3,5-dimethylpyridine-2-carboxylic acid|CS-0057508|138569-60-5 https://www.jk-sci.com/products/s57c4x-172652 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d999732-3677-473f-b2df-ee3e4759a5aa.png?v=1791714379 Pemetrexed Impurity 52, Purity: 99.3% Pemetrexed Impurity 52|C4X-172652 https://www.jk-sci.com/products/ts246cs-0057971 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bfdf437f3714a9344f54586737fbb82.jpg?v=1791677639 2-Bromo-4-tert-butyl-1,3-thiazole, 98% | 873075-54-8 2-Bromo-4-tert-butyl-1,3-thiazole|CS-0057971|873075-54-8 https://www.jk-sci.com/products/s57c4x-172673 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb090d5a-b24c-4562-b731-d61157c1a510.png?v=1791714369 Pemetrexed Impurity 73 TFA salt, 96.70% Pemetrexed Impurity 73 TFA salt|C4X-172673 https://www.jk-sci.com/products/s57c4x-172629 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0061d98f0a2cef26ce96a8d1b9813b1.jpg?v=1791714385 Pemetrexed Impurity 29, 94.60% | 146943-43-3 Pemetrexed Impurity 29|C4X-172629|146943-43-3 https://www.jk-sci.com/products/s57c4x-17258 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f59ff35881f915065dc8e4a479ad5002.jpg?v=1791714399 Pazopanib Impurity 8, 98.50% | 1296888-47-5 Pazopanib Impurity 8|C4X-17258|1296888-47-5 https://www.jk-sci.com/products/s57c4x-172812 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ea3542cc9d39ea8bc0969e298ae53b9.jpg?v=1791714364 Pentoxifylline EP Impurity H, 92.00% | 200556-62-3 Pentoxifylline EP Impurity H|C4X-172812|200556-62-3 https://www.jk-sci.com/products/ts246cs-0058143 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c9906e09de9f7296328cf6160ecadbe.jpg?v=1791677619 7-Oxa-4-azaspiro[2.5]octane, 98.00%+ | 126616-59-9 7-Oxa-4-azaspiro[2.5]octane|CS-0058143|126616-59-9 https://www.jk-sci.com/products/ts246cs-0058575 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bbd9339845d8f882bb17a49068bee65.jpg?v=1791677543 tert-Butyl 6,7-dihydro-1H-pyrazolo[4,3-b]pyridine-4(5H)-carboxylate, 98% | 1569514-57-3 tert-Butyl 6,7-dihydro-1H-pyrazolo[4,3-b]pyridine-4(5H)-carboxylate|CS-0058575|1569514-57-3 https://www.jk-sci.com/products/s57c4x-17284 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa865f576576f0575530730b41282c0a.jpg?v=1791714354 Pentoxifylline EP Impurity D, 95.70% | 59413-14-8 Pentoxifylline EP Impurity D|C4X-17284|59413-14-8 https://www.jk-sci.com/products/ts246cs-0058395 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d47cb2ba304aa47400ed7e2a0901611a.jpg?v=1791677594 1-(Prop-2-yn-1-yl)pyrrolidine, 98% | 7223-42-9 1-(Prop-2-yn-1-yl)pyrrolidine|CS-0058395|7223-42-9 https://www.jk-sci.com/products/ts246cs-0058698 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a3623e1bb05954f9ba23b3eaa1ead57.jpg?v=1791677479 (2R,3R)-3-Hydroxypyrrolidine-2-carboxylic acid, 97.00%+ | 119677-21-3 (2R,3R)-3-Hydroxypyrrolidine-2-carboxylic acid|CS-0058698|119677-21-3 https://www.jk-sci.com/products/ts246cs-0058678 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95176b96ec11dbe0d2c5ea8705df0521.jpg?v=1791677490 (5-Bromo-3-fluoropyridin-2-yl)methanol, 97% | 1206968-92-4 (5-Bromo-3-fluoropyridin-2-yl)methanol|CS-0058678|1206968-92-4 https://www.jk-sci.com/products/s57c4x-1730 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207906_937dcfa0-3a79-4b8d-b97b-45dfbfc33366.png?v=1791714349 Perphenazine | 58-39-9 Perphenazine|C4X-1730|58-39-9 https://www.jk-sci.com/products/ts246cs-0058723 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9719484c0ad299fefc987a1397e9696.jpg?v=1791677468 (1R,2R)-2-Amino-1,2-diphenylethanol, 97% | 88082-66-0 (1R,2R)-2-Amino-1,2-diphenylethanol|CS-0058723|88082-66-0 https://www.jk-sci.com/products/ts246cs-0058702 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e59c7dae7152c62808a8c01f722d2e0f.jpg?v=1791677479 cis-3-(tert-Butoxycarbonylamino)cyclopentanecarboxylic acid, 97% | 410090-37-8 cis-3-(tert-Butoxycarbonylamino)cyclopentanecarboxylic acid|CS-0058702|410090-37-8 https://www.jk-sci.com/products/ts246cs-0058987 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e191d93f62726c2a7fbd0f8dfeee1405.jpg?v=1791677423 tert-Butyl N-(2-amino-2-methyl-propyl)carbamate, 98% | 95034-05-2 tert-Butyl N-(2-amino-2-methyl-propyl)carbamate|CS-0058987|95034-05-2 https://www.jk-sci.com/products/ts246cs-0059051 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6805fd55735331c0d9cde62cac3641f5.jpg?v=1791677418 2-Chloro-7-methoxy-1H-benzo[d]imidazole, 97% | 15965-58-9 2-Chloro-7-methoxy-1H-benzo[d]imidazole|CS-0059051|15965-58-9 https://www.jk-sci.com/products/s57c4x-173118 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d414d01c881ebe6b3fbce7396a224bf3.jpg?v=1791714344 Pimecrolimus Impurity 18, 97.20% | 148147-41-5 Pimecrolimus Impurity 18|C4X-173118|148147-41-5 https://www.jk-sci.com/products/ts246cs-0059137 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217267.png?v=1791677391 3-Nitrobenzonitrile, 97% | 619-24-9 3-Nitrobenzonitrile|CS-0059137|619-24-9 https://www.jk-sci.com/products/ts246cs-0059153 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306775_870d6e63-a8da-4537-8b1e-b8246d2993d9.png?v=1791677370 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one, 96% | 30389-33-4 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one|CS-0059153|30389-33-4 https://www.jk-sci.com/products/ts246cs-0059162 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462797.png?v=1791677355 6-Methoxy-3,4-dihydroquinolin-2(1H)-one, 98% | 54197-64-7 6-Methoxy-3,4-dihydroquinolin-2(1H)-one|CS-0059162|54197-64-7 https://www.jk-sci.com/products/ts246cs-0059164 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df23b34cc5ceb4b5093ce8e3515ee1e6.jpg?v=1791677346 5-Methyl-3,4-dihydroquinolin-2(1H)-one, 97% | 20151-46-6 5-Methyl-3,4-dihydroquinolin-2(1H)-one|CS-0059164|20151-46-6 https://www.jk-sci.com/products/s57c4x-173216 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c7a3586741a4adbc08d44606aee1b67.jpg?v=1791714328 Piperacillin EP Impurity K, 90.90% | 2734474-72-5 Piperacillin EP Impurity K|C4X-173216|2734474-72-5 https://www.jk-sci.com/products/ts246cs-0059191 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353189.png?v=1791677300 1-Bromo-2,4-dimethyl-5-nitrobenzene, 98.52%+ | 69383-59-1 1-Bromo-2,4-dimethyl-5-nitrobenzene|CS-0059191|69383-59-1 https://www.jk-sci.com/products/ts246cs-0059224 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b0e5de46a1afadb023e147d9dfd5b92.jpg?v=1791677264 4-Chloro-3,5-difluoroaniline, 97% | 2613-33-4 4-Chloro-3,5-difluoroaniline|CS-0059224|2613-33-4 https://www.jk-sci.com/products/ts246cs-0059176 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581038.png?v=1791677322 (4,6-Dichloropyridin-3-yl)methanol, 97% | 73998-95-5 (4,6-Dichloropyridin-3-yl)methanol|CS-0059176|73998-95-5 https://www.jk-sci.com/products/ts246cs-0059233 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257364.png?v=1791677243 (3-Trifluoromethoxyphenyl)acetonitrile, 97% | 108307-56-8 (3-Trifluoromethoxyphenyl)acetonitrile|CS-0059233|108307-56-8 https://www.jk-sci.com/products/ts246cs-0059256 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305986_62543ee9-87f6-42ff-bef7-3a1af9b3b553.png?v=1791677218 2-(4-Chlorophenyl)-2-hydroxyacetic acid, 97% | 492-86-4 2-(4-Chlorophenyl)-2-hydroxyacetic acid|CS-0059256|492-86-4 https://www.jk-sci.com/products/ts246cs-0054574 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0296f82bfb35ca98c58fcdad731d768a.jpg?v=1791678241 (2S,4S)-Benzyl 4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate, 97% | 942308-58-9 (2S,4S)-Benzyl 4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate|CS-0054574|942308-58-9 https://www.jk-sci.com/products/ts246cs-0054889 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291904.png?v=1791678111 5-Methylthiophene-3-carboxylic acid, 99.16%+ | 19156-50-4 5-Methylthiophene-3-carboxylic acid|CS-0054889|19156-50-4 https://www.jk-sci.com/products/ts246cs-0057466 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63e9688db189b507103f75865ed260cb.jpg?v=1791677678 1,3,4-Oxathiazinane 3,3-dioxide, 98% | 863015-82-1 1,3,4-Oxathiazinane 3,3-dioxide|CS-0057466|863015-82-1 https://www.jk-sci.com/products/ts246cs-0055970 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95ebf543f4e8e5f23dedacc3db730517.jpg?v=1791677849 tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate, 98% | 1370616-23-1 tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate|CS-0055970|1370616-23-1 https://www.jk-sci.com/products/ts246cs-0055253 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17cba6baaef0a25ae4781272881bec92.jpg?v=1791677943 Ethyl 5-methylpyridazine-4-carboxylate, 97% | 92929-53-8 Ethyl 5-methylpyridazine-4-carboxylate|CS-0055253|92929-53-8 https://www.jk-sci.com/products/ts246cs-0056748 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c4aaa83158955bb9ea3b0eefa5a203c.jpg?v=1791677742 2-((tert-Butoxycarbonyl)amino)-3-cyclohexylpropanoic acid, 97% | 144186-13-0 2-((tert-Butoxycarbonyl)amino)-3-cyclohexylpropanoic acid|CS-0056748|144186-13-0 https://www.jk-sci.com/products/ts246cs-0058047 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc3041278d3d940887a0f82b0219e618.jpg?v=1791677634 5-Fluoro-2,3-dihydro-1H-isoindole-1,3-dione, 98% | 94514-21-3 5-Fluoro-2,3-dihydro-1H-isoindole-1,3-dione|CS-0058047|94514-21-3 https://www.jk-sci.com/products/ts246cs-0058472 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400715bbdea7fb7c6368a6d38ca4bdd4.jpg?v=1791677569 Dimethyl bicyclo[2.1.1]hexane-1,4-dicarboxylate, 95% | 42145-38-0 Dimethyl bicyclo[2.1.1]hexane-1,4-dicarboxylate|CS-0058472|42145-38-0 https://www.jk-sci.com/products/ts246cs-0058700 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0441503a4fb760878bae212a49b1e054.jpg?v=1791677479 (E)-3-(Thiophen-2-yl)acrylic acid, 98% | 15690-25-2 (E)-3-(Thiophen-2-yl)acrylic acid|CS-0058700|15690-25-2 https://www.jk-sci.com/products/ts246cs-0058663 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389402.png?v=1791677501 4-Aminopyridin-2(1H)-one, 98.00%+ | 38767-72-5 4-Aminopyridin-2(1H)-one|CS-0058663|38767-72-5 https://www.jk-sci.com/products/ts246cs-0058731 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c10a13b5e7fdb10ea954c7c775593f4e.jpg?v=1791677464 3,3-Difluoropiperidin-4-one hydrochloride, 98% | 1523618-12-3 3,3-Difluoropiperidin-4-one hydrochloride|CS-0058731|1523618-12-3 https://www.jk-sci.com/products/ts246cs-0059122 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/743f3f74b88b4ac9d7bab70d7a17cb24.jpg?v=1791677397 3-(aminomethyl)bicyclo[1.1.1]pentane-1-carboxylic acid hydrochloride, 97% | 2173991-78-9 3-(aminomethyl)bicyclo[1.1.1]pentane-1-carboxylic acid hydrochloride|CS-0059122|2173991-78-9 https://www.jk-sci.com/products/s57c4x-173221 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc90cf2e68a2f8d0a6bfb013281e5a06.jpg?v=1791714317 Piperacillin Impurity 21, 77.00% | 64844-70-8 Piperacillin Impurity 21|C4X-173221|64844-70-8 https://www.jk-sci.com/products/ts246cs-0059154 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436909.png?v=1791677370 3-(Trifluoromethyl)benzonitrile, 97% | 368-77-4 3-(Trifluoromethyl)benzonitrile|CS-0059154|368-77-4 https://www.jk-sci.com/products/ts246cs-0059170 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc98504e999134398a3c1ef9f9aa5a3e.jpg?v=1791677335 3,5-Dibromo-2-fluorobenzaldehyde, 97% | 477535-40-3 3,5-Dibromo-2-fluorobenzaldehyde|CS-0059170|477535-40-3 https://www.jk-sci.com/products/ts246cs-0059245 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285225.png?v=1791677228 6-Chloro-2H-chromene-3-carboxylic acid, 97% | 83823-06-7 6-Chloro-2H-chromene-3-carboxylic acid|CS-0059245|83823-06-7 https://www.jk-sci.com/products/ts246cs-0059215 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519541.png?v=1791677274 3-Bromo-4,5-dimethoxybenzaldehyde, 98% | 6948-30-7 3-Bromo-4,5-dimethoxybenzaldehyde|CS-0059215|6948-30-7 https://www.jk-sci.com/products/s57c4x-173239 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3491ce04-d6fd-4d00-9dfb-c0a5a4dd4eaf.png?v=1791714313 Piperacillin EP Impurity T, 91.70% Piperacillin EP Impurity T|C4X-173239 https://www.jk-sci.com/products/ts246cs-0059271 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d1009775c81ace8224292deb49d3253.jpg?v=1791677199 Ethyl 4-ethoxy-2-oxo-1,2-dihydropyridine-3-carboxylate, 97.00%+ | 1174046-84-4 Ethyl 4-ethoxy-2-oxo-1,2-dihydropyridine-3-carboxylate|CS-0059271|1174046-84-4 https://www.jk-sci.com/products/ts246cs-0059300 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5049271703fac51f3732e18520cbcc06.jpg?v=1791677162 Methyl (R)-2-aminobutanoate hydrochloride, 97% | 85774-09-0 Methyl (R)-2-aminobutanoate hydrochloride|CS-0059300|85774-09-0 https://www.jk-sci.com/products/ts246cs-0059284 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80860ea797ee3b765ac33e014a81d589.jpg?v=1791677187 4-Methoxy-3-methylphenol, 98% | 14786-82-4 4-Methoxy-3-methylphenol|CS-0059284|14786-82-4 https://www.jk-sci.com/products/s57c4x-17326 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cbaf9ba1-9136-4479-aad7-611dce29c3c3.png?v=1791714303 Piperacillin EP Impurity F, 93.00% Piperacillin EP Impurity F|C4X-17326 https://www.jk-sci.com/products/ts246cs-0059340 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475868.png?v=1791677155 Urocanic acid, 98% | 104-98-3 Urocanic acid|CS-0059340|104-98-3 https://www.jk-sci.com/products/ts246cs-0059656 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b86536c30199baf85c2da679bc105f40.jpg?v=1791677119 Trans-4-ethoxyphenyl 4-propylcyclohexanecarboxylate, 99.60%+ | 67589-39-3 Trans-4-ethoxyphenyl 4-propylcyclohexanecarboxylate|CS-0059656|67589-39-3 https://www.jk-sci.com/products/ts246cs-0059678 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fe0d4a8c8b66a474cea7d487a1a9927.jpg?v=1791677109 2,7-Dibromo-9-(4-bromophenyl)-9H-carbazole, 98% | 1313900-20-7 2,7-Dibromo-9-(4-bromophenyl)-9H-carbazole|CS-0059678|1313900-20-7 https://www.jk-sci.com/products/ts246cs-0059750 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ac805c136405f11201899bd41659ccc.jpg?v=1791677067 3-Bromo-2-methoxy-4,5-dimethylbenzoic acid, 95% | 1245532-88-0 3-Bromo-2-methoxy-4,5-dimethylbenzoic acid|CS-0059750|1245532-88-0 https://www.jk-sci.com/products/ts246cs-0059754 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3a851ba9084064d700b78a9012cb7d0.jpg?v=1791677058 6-Formyl-3-hydroxy-2-methoxyphenyl acetate, 98% | 272785-31-6 6-Formyl-3-hydroxy-2-methoxyphenyl acetate|CS-0059754|272785-31-6 https://www.jk-sci.com/products/ts246cs-0059723 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6439f5289467d15827b9f9d5d20a6fa9.jpg?v=1791677087 2-Amino-3,3,3-trifluoropropanoic acid hydrochloride, 95% | 96105-72-5 2-Amino-3,3,3-trifluoropropanoic acid hydrochloride|CS-0059723|96105-72-5 https://www.jk-sci.com/products/ts246cs-0059692 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5f49e2695429ca19a50a12175368e28.jpg?v=1791677107 2-Ethynyl-3-methoxypyridine, 97% | 1256805-99-8 2-Ethynyl-3-methoxypyridine|CS-0059692|1256805-99-8 https://www.jk-sci.com/products/ts246cs-0059760 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70a40ff5157c4260c61da2e294b4549f.jpg?v=1791677052 Methyl 3-bromo-2-fluoro-6-iodobenzoate, 97% | 1936253-89-2 Methyl 3-bromo-2-fluoro-6-iodobenzoate|CS-0059760|1936253-89-2 https://www.jk-sci.com/products/s57c4x-173311 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ce0e4f10b798e31be8a40a2299c6858.jpg?v=1791714298 Piroxicam EP Impurity K(Meloxicam EP Impurity A), 99.30% | 24683-26-9 Piroxicam EP Impurity K(Meloxicam EP Impurity A)|C4X-173311|24683-26-9 https://www.jk-sci.com/products/ts246cs-0059766 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f141eedc2fdf50c083cce0982957c966.jpg?v=1791677042 2-Bromo-5-ethoxybenzaldehyde, 98% | 43192-32-1 2-Bromo-5-ethoxybenzaldehyde|CS-0059766|43192-32-1 https://www.jk-sci.com/products/s57c4x-17335 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c07c23f61ede35f201c6d9279c900de0.jpg?v=1791714289 Piroxicam EP Impurity E, 95.10% | 24683-20-3 Piroxicam EP Impurity E|C4X-17335|24683-20-3 https://www.jk-sci.com/products/ts246cs-0059795 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1c01a8999632c2e1715f5b5c9839623.jpg?v=1791677032 (2-Bromothiazol-5-yl)methanamine, 97% | 131748-92-0 (2-Bromothiazol-5-yl)methanamine|CS-0059795|131748-92-0 https://www.jk-sci.com/products/ts246cs-0059800 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5d08c6ce83d2307c7da3a15be64f09e.jpg?v=1791677026 1-(6-Bromopyridin-2-yl)propan-1-one, 97.00%+ | 341556-25-0 1-(6-Bromopyridin-2-yl)propan-1-one|CS-0059800|341556-25-0 https://www.jk-sci.com/products/s57c4x-173710 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/deb7e6847b0612d5eabfbfc9af7a834f.jpg?v=1791714283 Prednisolone EP Impurity J, 96.60% | 1807-14-3 Prednisolone EP Impurity J|C4X-173710|1807-14-3 https://www.jk-sci.com/products/ts246cs-0059818 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1691f213e980ebb15fa9bf7cd5902b4.jpg?v=1791677015 1-N-Boc-2-Methyl-Isothiourea, 97% | 173998-77-1 1-N-Boc-2-Methyl-Isothiourea|CS-0059818|173998-77-1 https://www.jk-sci.com/products/s57c4x-173719 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c3851533-87bb-4b84-8cb6-b9ea2476e70c.png?v=1791714277 Prednisolone Impurity 19, 99.70% | 61549-70-0 Prednisolone Impurity 19|C4X-173719|61549-70-0 https://www.jk-sci.com/products/ts246cs-0059827 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b5716caa046702b9d5ad1e699a131d1.jpg?v=1791677010 (2S)-2-Hydroxy-1-pyrrolidin-1-ylpropan-1-one, 98% | 122151-38-6 (2S)-2-Hydroxy-1-pyrrolidin-1-ylpropan-1-one|CS-0059827|122151-38-6 https://www.jk-sci.com/products/ts246cs-0059830 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbc9ba7e3bc463aa92e78a21d96b6ee3.jpg?v=1791677005 N-[(2S)-1-Hydroxypropan-2-yl]-2-nitrobenzenesulfonamide, 98% | 1351395-66-8 N-[(2S)-1-Hydroxypropan-2-yl]-2-nitrobenzenesulfonamide|CS-0059830|1351395-66-8 https://www.jk-sci.com/products/ts246cs-0059841 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c0ea763b625c86d7daa5d128f5e769a.jpg?v=1791676999 5-Chloro-3-(2-trimethylsilylethynyl)pyrazin-2-amine, 98% | 1244776-64-4 5-Chloro-3-(2-trimethylsilylethynyl)pyrazin-2-amine|CS-0059841|1244776-64-4 https://www.jk-sci.com/products/ts246cs-0059853 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57462749a63ff645c0620855559eff2a.jpg?v=1791676981 4-Iodo-2-methoxynicotinic acid, 97% | 726206-55-9 4-Iodo-2-methoxynicotinic acid|CS-0059853|726206-55-9 https://www.jk-sci.com/products/s57c4x-17376 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b540555c60c7d7358aec09d0c9fbb7a.jpg?v=1791714268 Prednisolone EP Impurity F, 99.20% | 600-90-8 Prednisolone EP Impurity F|C4X-17376|600-90-8 https://www.jk-sci.com/products/s57c4x-17379 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f1c24cbab291e0eb2474b38b90ad12a.jpg?v=1791714268 Prednisolone EP Impurity I, 99.30% | 13479-38-4 Prednisolone EP Impurity I|C4X-17379|13479-38-4 https://www.jk-sci.com/products/ts246cs-0059875 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257cf870b6c65fc8c158fce691857993.jpg?v=1791676967 Ethyl 2-fluoro-4-methylbenzoate, 99.93%+ | 500579-61-3 Ethyl 2-fluoro-4-methylbenzoate|CS-0059875|500579-61-3 https://www.jk-sci.com/products/ts246cs-0059907 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74e1755a9a874edb97b73d6b1fb92f9a.jpg?v=1791676959 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzenethiol, 96% | 1029438-23-0 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzenethiol|CS-0059907|1029438-23-0 https://www.jk-sci.com/products/ts246cs-0053905 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c21fe85bd00041d030453f294080626d.jpg?v=1791678661 tert-Butyl 4-amino-1H-indazole-1-carboxylate, 97% | 801315-74-2 tert-Butyl 4-amino-1H-indazole-1-carboxylate|CS-0053905|801315-74-2 https://www.jk-sci.com/products/ts246cs-0055098 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50191366f00c08a9b98404c823a48c53.jpg?v=1791677990 1-Propyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 95% | 847818-76-2 1-Propyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole|CS-0055098|847818-76-2 https://www.jk-sci.com/products/s57c4x-17434 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ed57879c9b1d93fca20b596b48b71dc.jpg?v=1791714263 Raloxifene Impurity 4, 99.60% | 1191901-07-1 Raloxifene Impurity 4|C4X-17434|1191901-07-1 https://www.jk-sci.com/products/ts246cs-0056219 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ecc095bcab8ab311b6b936ca30c1d88.jpg?v=1791677791 3-Bromo-2-nitro-1-benzothiophene, 95% | 17402-78-7 3-Bromo-2-nitro-1-benzothiophene|CS-0056219|17402-78-7 https://www.jk-sci.com/products/ts246cs-0057696 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f111f518ccb413410d2b511d94f504d.jpg?v=1791677662 [(2R)-4-Benzylpiperazin-2-yl]methanol, 97% | 149715-46-8 [(2R)-4-Benzylpiperazin-2-yl]methanol|CS-0057696|149715-46-8 https://www.jk-sci.com/products/ts246cs-0058614 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54744ffe4b195783f9d68bc121eaea87.jpg?v=1791677522 Methyl (E)-cinnamate, 97% | 1754-62-7 Methyl (E)-cinnamate|CS-0058614|1754-62-7 https://www.jk-sci.com/products/ts246cs-0058716 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2502e2a5605c9491bd7a1223e7532f65.jpg?v=1791677474 tert-Butyl ((1R,3S)-3-aminocyclohexyl)carbamate, 97% | 1259278-17-5 tert-Butyl ((1R,3S)-3-aminocyclohexyl)carbamate|CS-0058716|1259278-17-5 https://www.jk-sci.com/products/ts246cs-0059150 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30f4d4c0968cd088a83683923299b2df.jpg?v=1791677375 Methyl 2-fluoro-5-methylbenzoate, 98% | 2967-93-3 Methyl 2-fluoro-5-methylbenzoate|CS-0059150|2967-93-3 https://www.jk-sci.com/products/s57c4x-174414 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269458_59d0027b-e353-48ca-a4f7-1cd1789ac069.png?v=1791714253 Ramipril EP Impurity E, 96.80% | 87269-97-4 Ramipril EP Impurity E|C4X-174414|87269-97-4 https://www.jk-sci.com/products/ts246cs-0059258 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268022.png?v=1791677217 1-(4-Fluorophenyl)propan-1-one, 95% | 456-03-1 1-(4-Fluorophenyl)propan-1-one|CS-0059258|456-03-1 https://www.jk-sci.com/products/ts246cs-0059406 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586383_d4339f56-80ba-42b7-a2c3-180fcedf01a4.png?v=1791677146 trans-trans-Muconic acid, 97% | 3588-17-8 trans-trans-Muconic acid|CS-0059406|3588-17-8 https://www.jk-sci.com/products/ts246cs-0059681 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/676e068b5c3f9f15d8d651ca463c506e.jpg?v=1791677108 3-Bromopyrazine-2-carboxamide, 98% | 27825-22-5 3-Bromopyrazine-2-carboxamide|CS-0059681|27825-22-5 https://www.jk-sci.com/products/ts246cs-0059289 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c6899267223ae43af10119de8bcaa70.jpg?v=1791677175 rel-((1R,2S)-Cyclohexane-1,2-diol), 97% | 1792-81-0 rel-((1R,2S)-Cyclohexane-1,2-diol)|CS-0059289|1792-81-0 https://www.jk-sci.com/products/s57c4x-174420 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241a4bff8f052b7a0c2e279ae552969e.jpg?v=1791714246 Ramipril EP Impurity C Hydrochloride, 96.00% | 885516-61-0 Ramipril EP Impurity C Hydrochloride|C4X-174420|885516-61-0 https://www.jk-sci.com/products/ts246cs-0059748 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304e9b7dba8e86869c2cbcc29c94e673.jpg?v=1791677072 Potassium;trifluoro-(3-morpholin-4-yl-3-oxopropyl)boranuide, 98% | 1150654-74-2 Potassium;trifluoro-(3-morpholin-4-yl-3-oxopropyl)boranuide|CS-0059748|1150654-74-2 https://www.jk-sci.com/products/ts246cs-0059756 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3219b43891c400c3438ab032502f2a43.jpg?v=1791677058 2,3,4,6-Tetraiodobenzoic acid, 97% | 71463-71-3 2,3,4,6-Tetraiodobenzoic acid|CS-0059756|71463-71-3 https://www.jk-sci.com/products/s57c4x-17504 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/424059_9aee0ac2-6997-40fd-9c8e-d65cfeab4824.png?v=1791714217 Risedronate EP Impurity D, 94.60% | 6419-36-9 Risedronate EP Impurity D|C4X-17504|6419-36-9 https://www.jk-sci.com/products/s57c4x-174512 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f89b801eb0d4ab390627674032e7016d.jpg?v=1791714242 Ropinirole EP Impurity D HCl, 97.40% | 173990-76-6 Ropinirole EP Impurity D HCl|C4X-174512|173990-76-6 https://www.jk-sci.com/products/s57c4x-17469 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cf9c702fc7e03e7fca5232e4d918c50.jpg?v=1791714224 Rapamycin Impurity 9, 95.10% | 500733-49-3 Rapamycin Impurity 9|C4X-17469|500733-49-3 https://www.jk-sci.com/products/s57c4x-175111 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94c29834ec9b5463ebbaf7c97eda4ffa.jpg?v=1791714207 Ritonavir EP Impurity K, 99.30% | 1010809-39-8 Ritonavir EP Impurity K|C4X-175111|1010809-39-8 https://www.jk-sci.com/products/s57c4x-175117 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a113748f07139afa792ae6d305fb48e3.jpg?v=1791714201 Ritonavir EP Impurity G, Purity: 98.8% | 2034136-66-6 Ritonavir EP Impurity G|C4X-175117|2034136-66-6 https://www.jk-sci.com/products/ts246cs-0059784 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79d8687a1b227fbceba75bedfc305d5a.jpg?v=1791677037 Methyl 4-(2-chloro-4-hydroxystyryl)benzoate, 98% | 1268246-12-3 Methyl 4-(2-chloro-4-hydroxystyryl)benzoate|CS-0059784|1268246-12-3 https://www.jk-sci.com/products/ts246cs-0059809 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ad28148eb38e879c807cf6c5074e0da.jpg?v=1791677024 4-(4-Chlorophenyl)butan-1-amine, 97% | 63998-62-9 4-(4-Chlorophenyl)butan-1-amine|CS-0059809|63998-62-9 https://www.jk-sci.com/products/s57c4x-175124 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29682945d8e7d3432d6f9762831378db.jpg?v=1791714195 Ritonavir EP Impurity S, 94.30% | 2084828-53-3 Ritonavir EP Impurity S|C4X-175124|2084828-53-3 https://www.jk-sci.com/products/ts246cs-0059828 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2890225a1c01de1b72b94bec1ffa5713.jpg?v=1791677010 (2S)-2-Phenylmethoxy-1-pyrrolidin-1-ylpropan-1-one, 97% | 122151-32-0 (2S)-2-Phenylmethoxy-1-pyrrolidin-1-ylpropan-1-one|CS-0059828|122151-32-0 https://www.jk-sci.com/products/s57c4x-175147 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af4e412c-d854-4fe1-bb91-938473ea0fab.png?v=1791714185 Ritonavir Impurity 47, 96.10% Ritonavir Impurity 47|C4X-175147 https://www.jk-sci.com/products/s57c4x-175224 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578742_5ea4baf6-6cbb-4227-9eb2-811bd3802821.png?v=1791714177 Rizatriptan Impurity 24, 99.30% | 119192-11-9 Rizatriptan Impurity 24|C4X-175224|119192-11-9 https://www.jk-sci.com/products/ts246cs-0059849 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d1af6d722be935ebc205f26c8ef02cf.jpg?v=1791676981 Methyl 4-amino-2-fluoro-[1,1'-biphenyl]-3-carboxylate, 98% | 1389287-35-7 Methyl 4-amino-2-fluoro-[1,1'-biphenyl]-3-carboxylate|CS-0059849|1389287-35-7 https://www.jk-sci.com/products/ts246cs-0059890 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e73bcb80ec70e34a4ec8a170f0552664_c4c34de7-3214-4230-9531-762d8bd7baa2.jpg?v=1791676962 9,9-(5-Bromo-1,3-phenylene)bis(9H-carbazole), 98% | 750573-24-1 9,9-(5-Bromo-1,3-phenylene)bis(9H-carbazole)|CS-0059890|750573-24-1 https://www.jk-sci.com/products/s57c4x-175322 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3811fe20-ba7e-49fd-bfb9-22cef2e58075.png?v=1791714169 Ropivacaine Impurity 22, 97.30% Ropivacaine Impurity 22|C4X-175322 https://www.jk-sci.com/products/ts246cs-0059971 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd2a268a8b330c98b27a73293c1d10a5.jpg?v=1791676927 3-Phenylnaphthalen-1-ol, 98% | 30069-65-9 3-Phenylnaphthalen-1-ol|CS-0059971|30069-65-9 https://www.jk-sci.com/products/ts246cs-0059979 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f931dadb11a65757faee2761e19dd841.jpg?v=1791676922 (trans,trans)-4-Fluorophenyl 4'-propyl-[1,1'-bi(cyclohexane)]-4-carboxylate, 98% | 81701-13-5 (trans,trans)-4-Fluorophenyl 4'-propyl-[1,1'-bi(cyclohexane)]-4-carboxylate|CS-0059979|81701-13-5 https://www.jk-sci.com/products/s57c4x-175613 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_246a6743-a9fd-47ca-bebc-6d927a4d1983.png?v=1791714153 Sulbactam Impurity 13, 96.90% Sulbactam Impurity 13|C4X-175613 https://www.jk-sci.com/products/s57c4x-175410 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d685c740a943db2b9040f1a1f5ed7c04.jpg?v=1791714162 Silodosin Impurity 10, 99.00% | 2182279-45-2 Silodosin Impurity 10|C4X-175410|2182279-45-2 https://www.jk-sci.com/products/ts246cs-0060131 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57902002ef91ae6fbedfe897654a4d6d.jpg?v=1791676803 1,2-Dibromo-4-fluoro-5-nitrobenzene, 99.63%+ | 1807056-85-4 1,2-Dibromo-4-fluoro-5-nitrobenzene|CS-0060131|1807056-85-4 https://www.jk-sci.com/products/ts246cs-0060115 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2f86febb12dd9ef51ff78406c7afc48.jpg?v=1791676833 2,4-Dibromo-1,3,5-trifluorobenzene, 97% | 363-69-9 2,4-Dibromo-1,3,5-trifluorobenzene|CS-0060115|363-69-9 https://www.jk-sci.com/products/ts246cs-0060087 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fedbaf8ef030c882d9900e46a6bd89d.jpg?v=1791676864 (S)-Isoxazolidin-4-ol hydrochloride, 98% | 338464-55-4 (S)-Isoxazolidin-4-ol hydrochloride|CS-0060087|338464-55-4 https://www.jk-sci.com/products/ts246cs-0060062 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f3a653d274eb994ac089ee62865b818.jpg?v=1791676875 5,5-Dimethyl-2-phenylmorpholine hydrochloride, 98% | 36981-93-8 5,5-Dimethyl-2-phenylmorpholine hydrochloride|CS-0060062|36981-93-8 https://www.jk-sci.com/products/ts246cs-0060138 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/097c965117e777f1e9df7929839dc1f9.jpg?v=1791676793 4-(Trifluoromethyl)pyridin-3-ol, 97% | 936841-71-3 4-(Trifluoromethyl)pyridin-3-ol|CS-0060138|936841-71-3 https://www.jk-sci.com/products/ts246cs-0060145 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536e51bec5f15a50eda61528f5dbb4bc.jpg?v=1791676778 5-Bromo-4-(trifluoromethyl)pyridin-2-ol, 98% | 109919-32-6 5-Bromo-4-(trifluoromethyl)pyridin-2-ol|CS-0060145|109919-32-6 https://www.jk-sci.com/products/s57c4x-176829 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce039b37f3a1f535e31789baaf61d9c3.jpg?v=1791714092 Topiramate Impurity 29, 96.10% | 53209-14-6 Topiramate Impurity 29|C4X-176829|53209-14-6 https://www.jk-sci.com/products/s57c4x-176016 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f8353a47-4491-4e46-8037-1e99f80fcaea.png?v=1791714140 Teneligliptin Impurity 16, 96.50% Teneligliptin Impurity 16|C4X-176016 https://www.jk-sci.com/products/s57c4x-176028 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6349924-9520-461d-ad2e-5a4fff20e61f.png?v=1791714131 Teneligliptin impurity 28, Purity: 97.4% Teneligliptin impurity 28|C4X-176028 https://www.jk-sci.com/products/s57c4x-176433 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487828_58bbbbf4-1e61-4dd3-abdd-34d487f416b2.png?v=1791714113 Tiotropium Bromide Impurity 33, 97.70% | 498-45-3 Tiotropium Bromide Impurity 33|C4X-176433|498-45-3 https://www.jk-sci.com/products/s57c4x-176810 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05ec6f8b625242c95b76fdebd80c1e20.jpg?v=1791714098 Topiramate Impurity 10, 97.50% | 66900-93-4 Topiramate Impurity 10|C4X-176810|66900-93-4 https://www.jk-sci.com/products/ts246cs-0060134 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf5c2a774227c61cc924761c0ab0bf40.jpg?v=1791676798 5,6-Dichloroindoline-2,3-dione, 96% | 1677-48-1 5,6-Dichloroindoline-2,3-dione|CS-0060134|1677-48-1 https://www.jk-sci.com/products/s57c4x-17633 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552497_3593ab63-fa1f-46a4-8d30-3e379c963c72.png?v=1791714119 Ticarcillin EP Impurity C, 99.10% | 21080-92-2 Ticarcillin EP Impurity C|C4X-17633|21080-92-2 https://www.jk-sci.com/products/s57c4x-17566 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/336985_7dc228a1-3a3d-471a-8a07-a797fa37915f.png?v=1791714144 Sulbactam EP Impurity F, 98.20% | 24158-88-1 Sulbactam EP Impurity F|C4X-17566|24158-88-1 https://www.jk-sci.com/products/ts246cs-0060107 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550396f93d6f53688abadc33aa47eebd.jpg?v=1791676843 4-Amino-2-chloro-5-nitrobenzonitrile, 97% | 172455-36-6 4-Amino-2-chloro-5-nitrobenzonitrile|CS-0060107|172455-36-6 https://www.jk-sci.com/products/ts246cs-0060071 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef7a9222c0a058e2ca2b07d9913e40f3.jpg?v=1791676874 3-(P-tolyl)pyridine, 98% | 4423-09-0 3-(P-tolyl)pyridine|CS-0060071|4423-09-0 https://www.jk-sci.com/products/s57c4x-17649 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71d3f9d59a929228185ef0654874b990.jpg?v=1791714103 Scopoline Methobromide, 99.00% | 845870-40-8 Scopoline Methobromide|C4X-17649|845870-40-8 https://www.jk-sci.com/products/ts246cs-0060096 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbe809b32929d237eb6743725ae58c69.jpg?v=1791676854 1-Fluoro-9H-fluoren-9-one, 97% | 1514-16-5 1-Fluoro-9H-fluoren-9-one|CS-0060096|1514-16-5 https://www.jk-sci.com/products/ts246cs-0060012 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589897.png?v=1791676895 2-Chloro-4-(trifluoromethyl)thiazole-5-carboxylic acid, 97% | 72850-61-4 2-Chloro-4-(trifluoromethyl)thiazole-5-carboxylic acid|CS-0060012|72850-61-4 https://www.jk-sci.com/products/s57c4x-17604 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00c02a511a274a33d165bd9577c6b52e.jpg?v=1791714125 Teneligliptin Impurity 4, 96.10% | 401566-80-1 Teneligliptin Impurity 4|C4X-17604|401566-80-1 https://www.jk-sci.com/products/ts246cs-0060180 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/661fb32bd0900530f389c9ee9b3c53dc.jpg?v=1791676737 2,3,5-Trichloroaniline, 97% | 18487-39-3 2,3,5-Trichloroaniline|CS-0060180|18487-39-3 https://www.jk-sci.com/products/s57c4x-17689 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362f3086236c95a181dfe41e590126ea.jpg?v=1791714082 Topiramate Impurity 9, 93.30% | 58238-46-3 Topiramate Impurity 9|C4X-17689|58238-46-3 https://www.jk-sci.com/products/ts246cs-0060172 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf302fec34e8b9a655387da017e612f4.jpg?v=1791676748 2-Chloro-3,5-dibromobenzotrifluoride, 99.61%+ | 1027512-27-1 2-Chloro-3,5-dibromobenzotrifluoride|CS-0060172|1027512-27-1 https://www.jk-sci.com/products/ts246cs-0060191 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/079e5f69afe446eef75de24298e5bfa5.jpg?v=1791676720 3-Cyano-5-(trifluoromethyl)benzoic acid, 98% | 942077-16-9 3-Cyano-5-(trifluoromethyl)benzoic acid|CS-0060191|942077-16-9 https://www.jk-sci.com/products/ts246cs-0060199 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/923073b37d9afc3ee5af901f2beac9f4.jpg?v=1791676705 2-(5-Bromo-2-nitrophenyl)acetic acid, 97% | 124840-61-5 2-(5-Bromo-2-nitrophenyl)acetic acid|CS-0060199|124840-61-5 https://www.jk-sci.com/products/ts246cs-0060237 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43b3c1f9c56ca76f1e468762707ae450.jpg?v=1793049392 2,2-Bis(4-fluorophenyl)acetic acid, 98% | 361-63-7 2,2-Bis(4-fluorophenyl)acetic acid|CS-0060237|361-63-7 https://www.jk-sci.com/products/s57c4x-1771 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121740.png?v=1791714081 Tranexamic Acid, 99.50% | 1197-18-8 Tranexamic Acid|C4X-1771|1197-18-8 https://www.jk-sci.com/products/ts246cs-0060274 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c49853de60097892d119990874634ee6.jpg?v=1791676655 3,5-Difluoro-1H-pyridin-2-one, 98% | 914482-23-8 3,5-Difluoro-1H-pyridin-2-one|CS-0060274|914482-23-8 https://www.jk-sci.com/products/ts246cs-0060277 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbd6ef21594a0de8f4450317b261a1d6.jpg?v=1791676650 5-Chloro-2-fluoropyridin-3-ol, 99.87%+ | 1003711-65-6 5-Chloro-2-fluoropyridin-3-ol|CS-0060277|1003711-65-6 https://www.jk-sci.com/products/ts246cs-0054687 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460007_8cb9e6e2-5e1a-4daf-afa8-a4336192f56c.png?v=1791678180 (2S)-N,N-dimethylpyrrolidine-2-carboxamide, 97% | 29802-22-0 (2S)-N,N-dimethylpyrrolidine-2-carboxamide|CS-0054687|29802-22-0 https://www.jk-sci.com/products/ts246cs-0057223 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/800b0ba05c6bc5fdab5766530a57e0d2.jpg?v=1791677704 Ethyl 2-{7-bromoimidazo[1,2-a]pyridin-3-yl}acetate, 96.13%+ | 1363383-34-9 Ethyl 2-{7-bromoimidazo[1,2-a]pyridin-3-yl}acetate|CS-0057223|1363383-34-9 https://www.jk-sci.com/products/ts246cs-0058686 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/180279591f7f6af3fa886633e0136745.jpg?v=1791677484 5-Methyl-3-nitro-1H-pyrazole, 98% | 1048925-02-5 5-Methyl-3-nitro-1H-pyrazole|CS-0058686|1048925-02-5 https://www.jk-sci.com/products/s57c4x-177115 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/724f315210eed720dca4e527f05785b4.jpg?v=1791714075 Tranexamic Acid EP Impurity E, Purity: 97.3% | 82755-59-7 Tranexamic Acid EP Impurity E|C4X-177115|82755-59-7 https://www.jk-sci.com/products/ts246cs-0059163 2026-10-26T20:11:13-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f663efe22aa8e41e03c43b9cbadb4eba.jpg?v=1791677351 Methyl 5-cyano-2-fluorobenzoate, 95% | 337362-21-7 Methyl 5-cyano-2-fluorobenzoate|CS-0059163|337362-21-7