https://www.jk-sci.com/products/ts246cs-0059277 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96ed0a108ad35a4ea22a88861288742e.jpg?v=1791677193 2-(6-Methylpyridin-3-yl)acetic acid, 97% | 19733-96-1 2-(6-Methylpyridin-3-yl)acetic acid|CS-0059277|19733-96-1 https://www.jk-sci.com/products/s57c4x-177122 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68828543ce40acda4b19778edce90c2e.jpg?v=1791714072 Tranexamic Impurity 22, 96.70% | 861518-79-8 Tranexamic Impurity 22|C4X-177122|861518-79-8 https://www.jk-sci.com/products/s57c4x-17714 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441442.png?v=1791714066 Tranexamic Acid EP Impurity D, 97.80% | 56-91-7 Tranexamic Acid EP Impurity D|C4X-17714|56-91-7 https://www.jk-sci.com/products/s57c4x-17717 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6f7be81287e135adb441a4ab471c31d.jpg?v=1791714069 Tranexamic Acid EP Impurity E HCl, 88.60% | 157605-44-2 Tranexamic Acid EP Impurity E HCl|C4X-17717|157605-44-2 https://www.jk-sci.com/products/s57c4x-177211 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb21e72d2c18a6fc76607c429ba23171.jpg?v=1791714053 Trazodone EP Impurity G HCl, 97.00% | 2470441-00-8 Trazodone EP Impurity G HCl|C4X-177211|2470441-00-8 https://www.jk-sci.com/products/ts246cs-0059660 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0800fd4e7ea823274d6e6c75ba3d5e3.jpg?v=1791677119 4-Chloro-N-methylbutan-1-amine hydrochloride, 98% | 365432-21-9 4-Chloro-N-methylbutan-1-amine hydrochloride|CS-0059660|365432-21-9 https://www.jk-sci.com/products/s57c4x-177221 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364358.png?v=1791714047 Trazodone related compound F HCl, 99.50% | 52605-52-4 Trazodone related compound F HCl|C4X-177221|52605-52-4 https://www.jk-sci.com/products/s57c4x-1772 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460455_fe2db515-27d8-425e-99e5-bcd4f14637ac.png?v=1791714056 Trazodone HCl, 98.70% | 25332-39-2 Trazodone HCl|C4X-1772|25332-39-2 https://www.jk-sci.com/products/s57c4x-177224 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/837cb813553d106c507261dd0fb53d2a.jpg?v=1791714043 Trazodone EP (BP) Impurity C HCl, 92.20% | 1263278-77-8 Trazodone EP (BP) Impurity C HCl|C4X-177224|1263278-77-8 https://www.jk-sci.com/products/s57c4x-177227 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f31d69eabdd0398c3b9768695a84b54b.jpg?v=1791714040 Trazodone EP Impurity I, 98.60% | 32229-98-4 Trazodone EP Impurity I|C4X-177227|32229-98-4 https://www.jk-sci.com/products/s57c4x-17722 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a120937c184367c0aef0b930429563e.jpg?v=1791714050 Trazodone EP Impurity E, 99.60% | 1346599-35-6 Trazodone EP Impurity E|C4X-17722|1346599-35-6 https://www.jk-sci.com/products/ts246cs-0059753 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a5bf8f36859465f7d5f7f8bbd1d7637.jpg?v=1791677058 2,4-Dihydroxy-3-methoxybenzaldehyde, 97% | 58922-29-5 2,4-Dihydroxy-3-methoxybenzaldehyde|CS-0059753|58922-29-5 https://www.jk-sci.com/products/ts246cs-0059798 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/682ec07514681b1a9f1b274639f24c75.jpg?v=1791677032 2-Bromo-5-fluorobenzenepropanoic acid, 98% | 1003048-71-2 2-Bromo-5-fluorobenzenepropanoic acid|CS-0059798|1003048-71-2 https://www.jk-sci.com/products/ts246cs-0059832 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc7dae9e7fd97bdb299cbbf9abb6fdfe.jpg?v=1791677005 (5R)-5-Methylmorpholin-3-one, 97.00%+ | 119844-67-6 (5R)-5-Methylmorpholin-3-one|CS-0059832|119844-67-6 https://www.jk-sci.com/products/ts246cs-0059917 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eb67b61882fb38057e20237cb77bf9d.jpg?v=1791676953 3-(4-Hydroxyphenyl)hex-4-ynoic acid, 98% | 865233-34-7 3-(4-Hydroxyphenyl)hex-4-ynoic acid|CS-0059917|865233-34-7 https://www.jk-sci.com/products/s57c4x-177230 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af9434092e9af76adb48af39d095f722.jpg?v=1791714038 Trazodone Impurity 30, 98.60% | 79975-63-6 Trazodone Impurity 30|C4X-177230|79975-63-6 https://www.jk-sci.com/products/ts246cs-0059974 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ea71c19830cee8993222432f1c747ae.jpg?v=1791676927 8-Bromo-2,3,4,9-tetrahydro-1H-carbazol-1-one, 97.00%+ | 132906-53-7 8-Bromo-2,3,4,9-tetrahydro-1H-carbazol-1-one|CS-0059974|132906-53-7 https://www.jk-sci.com/products/ts246cs-0060041 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88587a47788deb638bc1b667c9aa87ee.jpg?v=1791676880 Methyl 5-chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate, 97% | 866625-02-7 Methyl 5-chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate|CS-0060041|866625-02-7 https://www.jk-sci.com/products/s57c4x-177235 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_839968f8-f941-4259-b695-66433c7001f1.png?v=1791714034 Trazodone Impurity 35, 92.80% Trazodone Impurity 35|C4X-177235 https://www.jk-sci.com/products/ts246cs-0060076 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3b5d8c51125cf6deda3f3704ac22c2d.jpg?v=1791676869 4-[4-trans-(3,4-Diflourphenyl)-cyclohexyl]-cyclohexanon, 98% | 147622-85-3 4-[4-trans-(3,4-Diflourphenyl)-cyclohexyl]-cyclohexanon|CS-0060076|147622-85-3 https://www.jk-sci.com/products/ts246cs-0060099 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cbe638a43279e8645caaeb308ce4202.jpg?v=1791676848 5-Chloropyrazolo(1,5-a)pyrimidin-7-one, 98% | 99898-84-7 5-Chloropyrazolo(1,5-a)pyrimidin-7-one|CS-0060099|99898-84-7 https://www.jk-sci.com/products/ts246cs-0060128 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/637abae8f717d09f3c9c2adac36536ca.jpg?v=1791676807 1,5-Dichloro-2,4-difluorobenzene, 95% | 2253-30-7 1,5-Dichloro-2,4-difluorobenzene|CS-0060128|2253-30-7 https://www.jk-sci.com/products/ts246cs-0060166 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cc44673c4550e201b2579a40dcd6cd6.jpg?v=1791676759 2-Bromo-6-chloro-4-(trifluoromethoxy)aniline, 97% | 1228108-74-4 2-Bromo-6-chloro-4-(trifluoromethoxy)aniline|CS-0060166|1228108-74-4 https://www.jk-sci.com/products/ts246cs-0060135 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1c1d214a0f37d23d73097a1474800ce.jpg?v=1791676794 6-Chloro-5-fluoroindoline-2,3-dione, 95% | 96202-57-2 6-Chloro-5-fluoroindoline-2,3-dione|CS-0060135|96202-57-2 https://www.jk-sci.com/products/ts246cs-0060181 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d43239b21ffe8a7844fee5f51db6e62.jpg?v=1791676731 5-Bromo-1-chloro-2,3-difluorobenzene, 98% | 1060813-07-1 5-Bromo-1-chloro-2,3-difluorobenzene|CS-0060181|1060813-07-1 https://www.jk-sci.com/products/ts246cs-0060205 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531948.png?v=1791676694 4,6-Dibromobenzo[d]thiazol-2-amine, 97% | 16582-60-8 4,6-Dibromobenzo[d]thiazol-2-amine|CS-0060205|16582-60-8 https://www.jk-sci.com/products/ts246cs-0060276 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f062fe2227bb2bc33528e524d2768181.jpg?v=1791676656 5-Bromo-2-nitropyridin-3-ol, 97% | 691872-15-8 5-Bromo-2-nitropyridin-3-ol|CS-0060276|691872-15-8 https://www.jk-sci.com/products/ts246cs-0060294 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b9e2402ac43002f74210342f37c2517.jpg?v=1791676631 5-Chloro-4-fluoro-2,3-dihydro-1H-inden-1-one, 99.40%+ | 1260013-11-3 5-Chloro-4-fluoro-2,3-dihydro-1H-inden-1-one|CS-0060294|1260013-11-3 https://www.jk-sci.com/products/ts246cs-0060334 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da2fc5841bbd19a74382b40fc15fb28c.jpg?v=1791676601 4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide, 97% | 1771023-75-6 4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide|CS-0060334|1771023-75-6 https://www.jk-sci.com/products/ts246cs-0060304 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c69a24730361b0bd8f5cb530dfd64d08.jpg?v=1791676620 2-Chloro-3-cyanobenzoic acid, 97.00%+ | 1261499-34-6 2-Chloro-3-cyanobenzoic acid|CS-0060304|1261499-34-6 https://www.jk-sci.com/products/ts246cs-0060356 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5dc28f3e591973494b85b56c5e776cd.jpg?v=1791676581 5-Amino-2-(trifluoromethoxy)benzoic acid, 98% | 307989-56-6 5-Amino-2-(trifluoromethoxy)benzoic acid|CS-0060356|307989-56-6 https://www.jk-sci.com/products/s57c4x-17724 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a42c4676460812c7cc292d61cfbf1dd.jpg?v=1791714029 Trazodone Impurity 4, 91.20% | 1263278-79-0 Trazodone Impurity 4|C4X-17724|1263278-79-0 https://www.jk-sci.com/products/s57c4x-17725 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d501cd372199fe3f43070c6511fddc3b.jpg?v=1791714028 Trazodone N-Oxide, 95.00% | 55290-68-1 Trazodone N-Oxide|C4X-17725|55290-68-1 https://www.jk-sci.com/products/ts246cs-0060375 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b234f9c2c1dadfae5194b73e7b2fb4dc.jpg?v=1791676567 1H-Benzimidazole-4-carbonitrile, 97% | 64574-21-6 1H-Benzimidazole-4-carbonitrile|CS-0060375|64574-21-6 https://www.jk-sci.com/products/s57c4x-177260 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99f56325e5ad729a31618a348b53c61b.jpg?v=1791714022 Trazodone Impurity 60 HCl, 88.20% | 220910-13-4 Trazodone Impurity 60 HCl|C4X-177260|220910-13-4 https://www.jk-sci.com/products/ts246cs-0060372 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/174ac76bb4de1ece5cb9011922f5c79a.jpg?v=1791676568 3-Iodo-1H-pyridin-2-one, 98% | 111079-46-0 3-Iodo-1H-pyridin-2-one|CS-0060372|111079-46-0 https://www.jk-sci.com/products/ts246cs-0060402 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342997.png?v=1791676548 1-(3-Fluorophenyl)cyclopropane-1-carboxylic acid, 97% | 248588-33-2 1-(3-Fluorophenyl)cyclopropane-1-carboxylic acid|CS-0060402|248588-33-2 https://www.jk-sci.com/products/ts246cs-0060390 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab40d69496989ee21d26847a9706951b.jpg?v=1791676554 1-Bromo-3-(4-fluorophenyl)benzene, 98% | 10540-35-9 1-Bromo-3-(4-fluorophenyl)benzene|CS-0060390|10540-35-9 https://www.jk-sci.com/products/ts246cs-0060380 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed21db0f02c972d02efe1049c825b365.jpg?v=1791676563 4-Fluoro-2,3-dihydro-1H-indole, 96% | 552866-98-5 4-Fluoro-2,3-dihydro-1H-indole|CS-0060380|552866-98-5 https://www.jk-sci.com/products/s57c4x-177268 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dcd02d401e88b2ffe5cac45e2f261750.jpg?v=1791714019 Trazodone impurity 68, 99.40% | 2221987-86-4 Trazodone impurity 68|C4X-177268|2221987-86-4 https://www.jk-sci.com/products/ts246cs-0060416 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337139.png?v=1791676541 3-Hydrazinylbenzenesulfonic acid, 98% | 138-30-7 3-Hydrazinylbenzenesulfonic acid|CS-0060416|138-30-7 https://www.jk-sci.com/products/ts246cs-0060463 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/391310.png?v=1791676503 1-(2-Bromophenyl)pyrazole, 98% | 87488-84-4 1-(2-Bromophenyl)pyrazole|CS-0060463|87488-84-4 https://www.jk-sci.com/products/ts246cs-0060430 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2565d904890d4695fb348daf138d690.jpg?v=1791676535 7-Hydroxy-2-naphthoic acid, 96% | 613-17-2 7-Hydroxy-2-naphthoic acid|CS-0060430|613-17-2 https://www.jk-sci.com/products/ts246cs-0060469 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375837.png?v=1791676498 2-(2-Bromoethoxy)benzaldehyde, 99.64%+ | 60633-78-5 2-(2-Bromoethoxy)benzaldehyde|CS-0060469|60633-78-5 https://www.jk-sci.com/products/ts246cs-0060482 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cbde9195ae50ef8c63927c976b62f81.jpg?v=1791676488 (S)-3-Amino-2-phenylpropanoic acid, 97% | 1076-51-3 (S)-3-Amino-2-phenylpropanoic acid|CS-0060482|1076-51-3 https://www.jk-sci.com/products/ts246cs-0060479 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47e8fd3b1742ef3a1cb11fb2b8164c3c.jpg?v=1791676492 N-(4-Bromophenyl)-2-nitroaniline, 99.43%+ | 58476-59-8 N-(4-Bromophenyl)-2-nitroaniline|CS-0060479|58476-59-8 https://www.jk-sci.com/products/ts246cs-0060528 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/334113.png?v=1791676467 1-Benzyl-4-iodo-1H-imidazole, 98.23%+ | 536760-32-4 1-Benzyl-4-iodo-1H-imidazole|CS-0060528|536760-32-4 https://www.jk-sci.com/products/ts246cs-0060526 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/696b76e0a98360e7e23067fbe290ca81.jpg?v=1791676473 rel-(3S,4R)-1-Benzyl-4-(4-(trifluoromethyl)phenyl)pyrrolidine-3-carboxylic acid, 97% | 1263281-88-4 rel-(3S,4R)-1-Benzyl-4-(4-(trifluoromethyl)phenyl)pyrrolidine-3-carboxylic acid|CS-0060526|1263281-88-4 https://www.jk-sci.com/products/ts246cs-0060552 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/895594.png?v=1791676454 1-Phenylpyrazole-4-carbonitrile, 97% | 709-04-6 1-Phenylpyrazole-4-carbonitrile|CS-0060552|709-04-6 https://www.jk-sci.com/products/s57c4x-177274 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d12a50d0199d045b5b879e6ed28cc653.jpg?v=1791714013 Trazodone Impurity 74 HCl, 95.20% | 66158-98-3 Trazodone Impurity 74 HCl|C4X-177274|66158-98-3 https://www.jk-sci.com/products/ts246cs-0060590 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a22a4e78b83e459109a829b20ed6539d.jpg?v=1791676434 Dibenzofuran-2-carbonitrile, 97% | 20927-96-2 Dibenzofuran-2-carbonitrile|CS-0060590|20927-96-2 https://www.jk-sci.com/products/ts246cs-0060596 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22a9dbdd311c849d3933a7e3217ea96c.jpg?v=1791676424 2,2-Dioxo-3,4-dihydro-1H-isothiochromen-4-amine hydrochloride, 95% | 1187830-61-0 2,2-Dioxo-3,4-dihydro-1H-isothiochromen-4-amine hydrochloride|CS-0060596|1187830-61-0 https://www.jk-sci.com/products/ts246cs-0060614 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369049_993291bf-4dde-4990-85b6-ee3489699dc0.png?v=1791676409 2-(4-Fluorophenyl)pyridine, 98% | 58861-53-3 2-(4-Fluorophenyl)pyridine|CS-0060614|58861-53-3 https://www.jk-sci.com/products/ts246cs-0055747 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c28b95cb0aa5d78210ee9ed8211e235b.jpg?v=1791677880 5-Chloro-7-fluoro-1H-indole-2-carboxylic acid, 98% | 383132-37-4 5-Chloro-7-fluoro-1H-indole-2-carboxylic acid|CS-0055747|383132-37-4 https://www.jk-sci.com/products/ts246cs-0060624 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/547838.png?v=1791676403 8-Chloro-3,4-dihydro-2H-naphthalen-1-one, 98% | 68449-32-1 8-Chloro-3,4-dihydro-2H-naphthalen-1-one|CS-0060624|68449-32-1 https://www.jk-sci.com/products/s57c4x-17741 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b535487-5f18-49f5-81c6-e5f0a590c24e.png?v=1791714013 Valganciclovir USP RC D, 90.30% Valganciclovir USP RC D|C4X-17741 https://www.jk-sci.com/products/ts246cs-0058999 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ce6c2a481ad793b180d734218b4d648.jpg?v=1791677418 tert-Butyl 8-aminooctanoate, 95% | 102522-32-7 tert-Butyl 8-aminooctanoate|CS-0058999|102522-32-7 https://www.jk-sci.com/products/s57c4x-17749 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/465301.png?v=1791714003 Valganciclovir hydrochloride, 92.20% | 175865-59-5 Valganciclovir hydrochloride|C4X-17749|175865-59-5 https://www.jk-sci.com/products/s57c4x-17742 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e65c90d65a6f17c47e4548c27bc3b30.jpg?v=1791714008 Valganciclovir Isomer, 89.20% | 1393911-57-3 Valganciclovir Isomer|C4X-17742|1393911-57-3 https://www.jk-sci.com/products/s57c4x-177425 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b7f143c2-02e1-44ba-bedb-b5983d8e1030.png?v=1791714003 Valganciclovir impurity25 DIHCI, 88.00% Valganciclovir impurity25 DIHCI|C4X-177425 https://www.jk-sci.com/products/s57c4x-177510 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e8e14d0-5040-4cce-a581-7f1ef99445f2.png?v=1791713996 Vancomycin EP Impurity I, 92.10% Vancomycin EP Impurity I|C4X-177510 https://www.jk-sci.com/products/ts246cs-0059302 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f76e7bb055ce31768d7f05e924249c9f.jpg?v=1791677161 Methyl 3-amino-6-bromopicolinate, 97.00%+ | 866775-09-9 Methyl 3-amino-6-bromopicolinate|CS-0059302|866775-09-9 https://www.jk-sci.com/products/ts246cs-0059763 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca46c72b44b671cca1b3d12b0072895e_356b2e8a-c130-4336-a568-7415c074a5f6.jpg?v=1791677042 tert-Butyl 2-amino-4-(4-methylpiperazin-1-yl)benzoate, 97% | 1034975-35-3 tert-Butyl 2-amino-4-(4-methylpiperazin-1-yl)benzoate|CS-0059763|1034975-35-3 https://www.jk-sci.com/products/ts246cs-0059862 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/334cbd023cd080478d067fa47f1121dc.jpg?v=1791676976 Dimethyl 3-(trifluoromethyl)pyridine-2,5-dicarboxylate, 97% | 1360944-09-7 Dimethyl 3-(trifluoromethyl)pyridine-2,5-dicarboxylate|CS-0059862|1360944-09-7 https://www.jk-sci.com/products/ts246cs-0059993 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0511d4e46a2c9881f8a5ad9b201be408.jpg?v=1791676911 3-Hydroxy-1-methacryloyloxyadamantane, 97% | 115372-36-6 3-Hydroxy-1-methacryloyloxyadamantane|CS-0059993|115372-36-6 https://www.jk-sci.com/products/ts246cs-0060095 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1b518d4d718fe09112cd3ecc11dedf2.jpg?v=1791676853 Methyl 6-bromobenzo[d][1,3]dioxole-5-carboxylate, 95% | 61441-09-6 Methyl 6-bromobenzo[d][1,3]dioxole-5-carboxylate|CS-0060095|61441-09-6 https://www.jk-sci.com/products/s57c4x-177513 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a71951cb7b2391b7c46d7457c6042d80.jpg?v=1791713995 Vancomycin EP Impurity L, 91.40% | 79517-31-0 Vancomycin EP Impurity L|C4X-177513|79517-31-0 https://www.jk-sci.com/products/s57c4x-17752 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08e630fc6936f3142f27606136f201fc.jpg?v=1791713989 Vancomycin EP Impurity A HCl, Purity>95% | 213997-73-0 Vancomycin EP Impurity A HCl|C4X-17752|213997-73-0 https://www.jk-sci.com/products/s57c4x-177518 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1f5674092c334218e91a65716f7aa7b.jpg?v=1791713992 Vancomycin EP Impurity K, 91.00% | 99759-13-4 Vancomycin EP Impurity K|C4X-177518|99759-13-4 https://www.jk-sci.com/products/ts246cs-0060132 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc7a10f6bbf5ebcf10beb27e2d34856b.jpg?v=1791676803 2,4-Difluoro-5-(trifluoromethoxy)aniline, 97% | 123572-59-8 2,4-Difluoro-5-(trifluoromethoxy)aniline|CS-0060132|123572-59-8 https://www.jk-sci.com/products/s57c4x-17754 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22582ca84127b5205bba4e8f376cbf8b.jpg?v=1791713986 Vancomycin EP Impurity C, 86.30% | 82198-76-3 Vancomycin EP Impurity C|C4X-17754|82198-76-3 https://www.jk-sci.com/products/s57c4x-17756 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270c941d112a475f95c39d6fb669128b.jpg?v=1791713984 Vancomycin EP Impurity E, 88.90% | 55598-85-1 Vancomycin EP Impurity E|C4X-17756|55598-85-1 https://www.jk-sci.com/products/ts246cs-0060177 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/712dc335233471be2242781e03670ec3.jpg?v=1791676737 5-Bromo-1,2-dichloro-3-fluorobenzene, 98% | 1000572-93-9 5-Bromo-1,2-dichloro-3-fluorobenzene|CS-0060177|1000572-93-9 https://www.jk-sci.com/products/ts246cs-0060267 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66c28cf635d5f5d2ef754398040097d0.jpg?v=1791676655 HDGFRP2/PSIP1-IN-1, 95% | 166196-54-9 HDGFRP2/PSIP1-IN-1|CS-0060267|166196-54-9 https://www.jk-sci.com/products/ts246cs-0060287 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec9d4500d2a95d3b16b3c73ed534e25c.jpg?v=1791676637 7-Bromo-1H-thieno[3,2-d]pyrimidine-2,4-dione, 97% | 41102-02-7 7-Bromo-1H-thieno[3,2-d]pyrimidine-2,4-dione|CS-0060287|41102-02-7 https://www.jk-sci.com/products/ts246cs-0060305 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8212833021150477d1a310bb8e7d0ea.jpg?v=1791676620 2-Chloro-3-(trifluoromethyl)benzonitrile, 97% | 62584-32-1 2-Chloro-3-(trifluoromethyl)benzonitrile|CS-0060305|62584-32-1 https://www.jk-sci.com/products/s57c4x-17758 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ae0d84a-c6e7-4817-be7b-752dd8cd5887.png?v=1791713978 Vancomycin EP Impurity G, 93.10% Vancomycin EP Impurity G|C4X-17758 https://www.jk-sci.com/products/s57c4x-177812 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2a27ff431ff948206ae8324ba793ff1.jpg?v=1791713977 Verapamil EP Impurity L, 98.00% | 14046-55-0 Verapamil EP Impurity L|C4X-177812|14046-55-0 https://www.jk-sci.com/products/s57c4x-177821 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb6efacc734cdb282e91d6ccd27e2fde.jpg?v=1791713972 Verapamil EP Impurity D, 93.20% | 36770-74-8 Verapamil EP Impurity D|C4X-177821|36770-74-8 https://www.jk-sci.com/products/ts246cs-0060364 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08b98b94b4fce23ae42f45fb3c74db4a.jpg?v=1791676572 2-(2-Chloro-6-fluorophenyl)ethanol, 96% | 214262-86-9 2-(2-Chloro-6-fluorophenyl)ethanol|CS-0060364|214262-86-9 https://www.jk-sci.com/products/s57c4x-177828 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2af9eed4df042fee864c5ae8dc97ea9.jpg?v=1791713967 Verapamil EP Impurity O, 98.10% | 959011-16-6 Verapamil EP Impurity O|C4X-177828|959011-16-6 https://www.jk-sci.com/products/s57c4x-17783 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37c1ea1ede1cdf97c787fc511296d95e.jpg?v=1791713966 Verapamil EP Impurity C(HCl), 99.20% | 51012-67-0 Verapamil EP Impurity C(HCl)|C4X-17783|51012-67-0 https://www.jk-sci.com/products/ts246cs-0060379 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ea72de19b2e03b67e43af0ddd856fab.jpg?v=1791676563 4-Fluorobenzo[b]thiophene, 97.00%+ | 310466-38-7 4-Fluorobenzo[b]thiophene|CS-0060379|310466-38-7 https://www.jk-sci.com/products/ts246cs-0060401 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b08369dcbaf539ee1439e3bc8e5d5b1.jpg?v=1791676548 (2S,4R)-4-(3-Fluorophenyl)pyrrolidine-2-carboxylic acid, 98% | 1262526-44-2 (2S,4R)-4-(3-Fluorophenyl)pyrrolidine-2-carboxylic acid|CS-0060401|1262526-44-2 https://www.jk-sci.com/products/s57c4x-17789 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56aec3cb6fc9e992a63f45f855127f52.jpg?v=1791713958 Verapamil EP Impurity I(HCl), 97.90% | 1794-55-4 Verapamil EP Impurity I(HCl)|C4X-17789|1794-55-4 https://www.jk-sci.com/products/s57c4x-177832 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4a6a40c010418e7c2ce51d4d6f8dd29.jpg?v=1791713963 Verapamil EP Impurity I, 91.90% | 2893-91-6 Verapamil EP Impurity I|C4X-177832|2893-91-6 https://www.jk-sci.com/products/ts246cs-0060419 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b90809ce311326f4b9549f05b1bc4b.jpg?v=1791676539 2-Iodo-4-(trifluoromethyl)benzaldehyde, 97% | 873006-01-0 2-Iodo-4-(trifluoromethyl)benzaldehyde|CS-0060419|873006-01-0 https://www.jk-sci.com/products/ts246cs-0060465 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1746994cd2c5ba2f0d8fb325b414fa04.jpg?v=1791676503 (2-Bromophenyl)-pyridin-3-ylmethanone, 98% | 77744-06-0 (2-Bromophenyl)-pyridin-3-ylmethanone|CS-0060465|77744-06-0 https://www.jk-sci.com/products/ts246cs-0060481 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7739dabb2aee526f24c3844793a2fdbb.jpg?v=1791676492 (R)-Cyclopropyl(phenyl)methanamine;hydrochloride, 97.00%+ | 1416450-04-8 (R)-Cyclopropyl(phenyl)methanamine;hydrochloride|CS-0060481|1416450-04-8 https://www.jk-sci.com/products/s57c4x-177911 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231406_ff89e52d-49d7-473c-9954-401960333a15.png?v=1791713957 L-(+)-Ascorbic Acid, 99.80% | 50-81-7 L-(+)-Ascorbic Acid|C4X-177911|50-81-7 https://www.jk-sci.com/products/s57c4x-17792 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2731194cfcd0934896e00c48fa36be5.jpg?v=1791713952 Ascorbic Acid EP Impurity D, 99.70% | 3031-98-9 Ascorbic Acid EP Impurity D|C4X-17792|3031-98-9 https://www.jk-sci.com/products/s57c4x-177925 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45dca1c1c73863616b2112d8d02fda6b.jpg?v=1791713947 Ascorbic Acid EP Impurity G, 90.70% | 66757-69-5 Ascorbic Acid EP Impurity G|C4X-177925|66757-69-5 https://www.jk-sci.com/products/s57c4x-177928 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/966420c58c67b02fadac85bb409b7d5d_6c123ea6-dfd6-472f-9f4f-2e0a0ba62dd8.jpg?v=1791713947 Vitamin Impurity 28, 90.20% | 5006-20-2 Vitamin Impurity 28|C4X-177928|5006-20-2 https://www.jk-sci.com/products/s57c4x-177931 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/987d77e24c36e5ce8c52143ecf7c89d8.jpg?v=1791713939 Ascorbic Acid EP Impurity C, 91.00% | 526-98-7 Ascorbic Acid EP Impurity C|C4X-177931|526-98-7 https://www.jk-sci.com/products/s57c4x-17802 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3593b53a2a4eb8d8d5a91e1c619c697.jpg?v=1791713934 Voglibose TBV Base Impurity, 99.60% | 115250-39-0 Voglibose TBV Base Impurity|C4X-17802|115250-39-0 https://www.jk-sci.com/products/s57c4x-17799 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531260.png?v=1791713937 Ergocalciferol EP Impurity B, 97.10% | 57-87-4 Ergocalciferol EP Impurity B|C4X-17799|57-87-4 https://www.jk-sci.com/products/s57c4x-17822 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7471dda1bee786930b9ac3eb6d14991f.jpg?v=1791713929 Xylometazoline EP Impurity F, 97.20% | 854646-92-7 Xylometazoline EP Impurity F|C4X-17822|854646-92-7 https://www.jk-sci.com/products/s57c4x-17824 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76115db50b5f637605da289b1aa90fe9.jpg?v=1791713924 Xylometazoline EP Impurity C, 98.40% | 84803-57-6 Xylometazoline EP Impurity C|C4X-17824|84803-57-6 https://www.jk-sci.com/products/s57c4x-17852 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794718.png?v=1791713919 Zonisamide Related Compound A Sodium Salt, 96.60% | 73101-64-1 Zonisamide Related Compound A Sodium Salt|C4X-17852|73101-64-1 https://www.jk-sci.com/products/s57c4x-178316 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126226.png?v=1791713924 Benzenesulfonic Acid, 97.90% | 98-11-3 Benzenesulfonic Acid|C4X-178316|98-11-3 https://www.jk-sci.com/products/ts246cs-0060527 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/465679_09fb40f2-26a9-421f-8f99-542a906dd4cb.png?v=1791676473 1-Benzylpyrazole-4-carboxylic acid, 98.16%+ | 401647-24-3 1-Benzylpyrazole-4-carboxylic acid|CS-0060527|401647-24-3 https://www.jk-sci.com/products/s57c4x-17854 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db0b42fec53626512a810948f6396ea.jpg?v=1791713914 Zonisamide Impurity 4, 99.60% | 68292-02-4 Zonisamide Impurity 4|C4X-17854|68292-02-4 https://www.jk-sci.com/products/s57c4x-17883 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350337.png?v=1791713913 Loperamide EP Impurity C, 94.60% | 39512-49-7 Loperamide EP Impurity C|C4X-17883|39512-49-7 https://www.jk-sci.com/products/s57c4x-178911 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333596_5a385922-de7f-407c-b008-1a7721a03dc5.png?v=1791713904 Doxylamine EP Impurity D, 99.00% | 91-02-1 Doxylamine EP Impurity D|C4X-178911|91-02-1 https://www.jk-sci.com/products/s57c4x-17886 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b93df28fdbe03e9b0923ba8132a4df6e.jpg?v=1791713909 Loperamide EP Impurity F, 92.90% | 106900-12-3 Loperamide EP Impurity F|C4X-17886|106900-12-3 https://www.jk-sci.com/products/ts246cs-0060566 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291736.png?v=1791676445 2-(Benzenesulfonylmethyl)benzaldehyde, 98.09%+ | 468751-38-4 2-(Benzenesulfonylmethyl)benzaldehyde|CS-0060566|468751-38-4 https://www.jk-sci.com/products/ts246cs-0060602 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/247986.png?v=1791676418 4-Chloro-10H-phenothiazine, 97% | 7369-69-9 4-Chloro-10H-phenothiazine|CS-0060602|7369-69-9 https://www.jk-sci.com/products/s57c4x-17898 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/512758.png?v=1791713904 Doxylamine Succinate, 97.80% | 562-10-7 Doxylamine Succinate|C4X-17898|562-10-7 https://www.jk-sci.com/products/ts246cs-0060644 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/390024.png?v=1791676383 2-Amino-1H-benzo[d]imidazole-5-carboxylic acid, 97% | 76391-97-4 2-Amino-1H-benzo[d]imidazole-5-carboxylic acid|CS-0060644|76391-97-4 https://www.jk-sci.com/products/s57c4x-17903 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e085e845db580c42ef4705ae8b29f67b.jpg?v=1791713898 N-Desmethyl Vecuronium, 94.20% | 13529-31-2 N-Desmethyl Vecuronium|C4X-17903|13529-31-2 https://www.jk-sci.com/products/ts246cs-0060653 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc9175fa84f25223097db7ad68779926.jpg?v=1791676378 5-Fluoro-1,3-benzoxazole, 97% | 221347-71-3 5-Fluoro-1,3-benzoxazole|CS-0060653|221347-71-3 https://www.jk-sci.com/products/s57c4x-17906 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0ec15973b0dc9ae9d9a9d14bd57b6d0.jpg?v=1791713894 Vecuronium Bromide EP Impurity F, 99.90% | 18668-29-6 Vecuronium Bromide EP Impurity F|C4X-17906|18668-29-6 https://www.jk-sci.com/products/s57c4x-1792 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246202.png?v=1791713894 Indobufen, 99.20% | 63610-08-2 Indobufen|C4X-1792|63610-08-2 https://www.jk-sci.com/products/s57c4x-179211 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d50580b905d0e006dff00bc6c97307b9.jpg?v=1791713889 Indobufen Impurity 11, 99.80% | 36691-02-8 Indobufen Impurity 11|C4X-179211|36691-02-8 https://www.jk-sci.com/products/ts246cs-0060678 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784737_5e2adbf0-72ff-45ec-81df-0f70af346c15.png?v=1791676348 2-Bromo-6-fluoro-4-(trifluoromethyl)quinoline, 97.00%+ | 596845-30-6 2-Bromo-6-fluoro-4-(trifluoromethyl)quinoline|CS-0060678|596845-30-6 https://www.jk-sci.com/products/ts246cs-0060666 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b9f4e03457cc8ac4403848a0220d2f4.jpg?v=1791676359 4-Bromo-1,3-dihydro-2-benzofuran, 97% | 1402667-16-6 4-Bromo-1,3-dihydro-2-benzofuran|CS-0060666|1402667-16-6 https://www.jk-sci.com/products/s57c4x-179214 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/771d60aa0ad5bd882514b7c6e2ba5050.jpg?v=1791713884 Indobufen Impurity 14, 98.30% | 94814-82-1 Indobufen Impurity 14|C4X-179214|94814-82-1 https://www.jk-sci.com/products/s57c4x-179217 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139076.png?v=1791713882 Indobufen Impurity 17, 100.00% | 104-03-0 Indobufen Impurity 17|C4X-179217|104-03-0 https://www.jk-sci.com/products/s57c4x-179219 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/613839.png?v=1791713878 Indobufen Impurity 19, 99.60% | 7463-53-8 Indobufen Impurity 19|C4X-179219|7463-53-8 https://www.jk-sci.com/products/s57c4x-179230 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9083d26d-8425-4098-a7b8-73c150a5a009.png?v=1791713873 Indobufen Impurity 30, 98.10% Indobufen Impurity 30|C4X-179230 https://www.jk-sci.com/products/s57c4x-179254 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d5b64ebf-daa2-47da-9d39-c19a989f69d4.png?v=1791713863 Indobufen Impurity 54, 98.80% Indobufen Impurity 54|C4X-179254 https://www.jk-sci.com/products/s57c4x-179256 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b301678a9b858526d01e89e13567725b.jpg?v=1791713863 Indobufen Impurity 56, 90.50% | 858847-37-7 Indobufen Impurity 56|C4X-179256|858847-37-7 https://www.jk-sci.com/products/ts246cs-0060776 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8e1654eda8b4f13cafa7bc343f86ebd.jpg?v=1791676290 2-Cyclopropylpyridine-4-carbonitrile, 95% | 1020747-85-6 2-Cyclopropylpyridine-4-carbonitrile|CS-0060776|1020747-85-6 https://www.jk-sci.com/products/ts246cs-0060759 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46decfba3575736978b88ef89bb94905.jpg?v=1791676301 (2S)-2-(2,5-DIFLUOROPHENYL)PYRROLIDINE, 97% | 1217630-38-0 (2S)-2-(2,5-DIFLUOROPHENYL)PYRROLIDINE|CS-0060759|1217630-38-0 https://www.jk-sci.com/products/ts246cs-0060716 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2abffbe4aaa3aec4715de2dcb8b8adda.jpg?v=1791676320 7-Chloro-1H-1,6-naphthyridin-4-one, 95% | 952138-12-4 7-Chloro-1H-1,6-naphthyridin-4-one|CS-0060716|952138-12-4 https://www.jk-sci.com/products/s57c4x-17929 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd352ee5ffa9403a93fff78d1c0c6c35.jpg?v=1791713853 Indobufen Impurity 9, 99.90% | 76553-18-9 Indobufen Impurity 9|C4X-17929|76553-18-9 https://www.jk-sci.com/products/s57c4x-179247 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135829.png?v=1791713869 Indobufen Impurity 47, 93.00% | 769-68-6 Indobufen Impurity 47|C4X-179247|769-68-6 https://www.jk-sci.com/products/s57c4x-17926 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b4916ef734d7e2bb1165f57c4aab52b.jpg?v=1791713859 Indobufen Impurity 6, 81.30% | 3087670-52-5 Indobufen Impurity 6|C4X-17926|3087670-52-5 https://www.jk-sci.com/products/ts246cs-0060826 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302144.png?v=1791676259 4-(4,6-Difluoropyrimidin-2-yl)morpholine, 99.17%+ | 189003-02-9 4-(4,6-Difluoropyrimidin-2-yl)morpholine|CS-0060826|189003-02-9 https://www.jk-sci.com/products/ts246cs-0060707 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80b8dacb6e9d7de92e465e592b2cb43d.jpg?v=1791676326 2-Morpholinopyrimidin-4(3H)-one, 96% | 19810-79-8 2-Morpholinopyrimidin-4(3H)-one|CS-0060707|19810-79-8 https://www.jk-sci.com/products/ts246cs-0060704 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e1147dbc79c82526caa40cb9d0cdb3a.jpg?v=1791676331 2-Bromo-5H-thieno[3,2-c]pyridin-4-one, 95% | 28948-60-9 2-Bromo-5H-thieno[3,2-c]pyridin-4-one|CS-0060704|28948-60-9 https://www.jk-sci.com/products/ts246cs-0060738 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78d397cb24a7d52342a9040bb0ab21db.jpg?v=1791676311 5,6-Difluoro-1H-benzo[d][1,2,3]triazole, 95% | 610257-65-3 5,6-Difluoro-1H-benzo[d][1,2,3]triazole|CS-0060738|610257-65-3 https://www.jk-sci.com/products/s57c4x-17927 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e466e1929e429ad8c0d3192605016c2.jpg?v=1791713854 Indobufen Impurity 7, 97.90% | 29644-97-1 Indobufen Impurity 7|C4X-17927|29644-97-1 https://www.jk-sci.com/products/s57c4x-179313 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36a8239d870ad42fcd1ac07f98ff2964.jpg?v=1791713849 Ceftizoxime Impurity 13, 96.30% | 68403-70-3 Ceftizoxime Impurity 13|C4X-179313|68403-70-3 https://www.jk-sci.com/products/s57c4x-179316 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414151.png?v=1791713843 Ceftizoxime Impurity 16, 96.50% | 36923-17-8 Ceftizoxime Impurity 16|C4X-179316|36923-17-8 https://www.jk-sci.com/products/ts246cs-0060845 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acc1a0c7cfe3721767088227ae7dd4e5.jpg?v=1791676244 1-(2,4,5-Trichlorophenyl)ethan-1-one, 97% | 13061-28-4 1-(2,4,5-Trichlorophenyl)ethan-1-one|CS-0060845|13061-28-4 https://www.jk-sci.com/products/ts246cs-0060875 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f85c7fe913b4a9084c78f2967567537.jpg?v=1791676209 4-Bromo-2-(tert-butyl)benzonitrile, 95% | 1369819-64-6 4-Bromo-2-(tert-butyl)benzonitrile|CS-0060875|1369819-64-6 https://www.jk-sci.com/products/ts246cs-0060858 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d0fb3869b9bf08fe62a703e0d581feb.jpg?v=1791676223 1-(4-Fluorophenyl)butane-1,3-dione, 97% | 29681-98-9 1-(4-Fluorophenyl)butane-1,3-dione|CS-0060858|29681-98-9 https://www.jk-sci.com/products/ts246cs-0060923 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b9052454ff4d9203871ef25a760ec0f.jpg?v=1791676182 tert-Butyl 3-benzyl-4-oxopiperidine-1-carboxylate, 98.00%+ | 193274-82-7 tert-Butyl 3-benzyl-4-oxopiperidine-1-carboxylate|CS-0060923|193274-82-7 https://www.jk-sci.com/products/s57c4x-179323 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/088fd227e1ab08856eaa9f4393e961b8.jpg?v=1791713840 Ceftizoxime Impurity 23, 94.20% | 929101-93-9 Ceftizoxime Impurity 23|C4X-179323|929101-93-9 https://www.jk-sci.com/products/ts246cs-0058342 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a967245ea6ac1ea7e8b42f3578988dc.jpg?v=1791677599 3-(1-Methyl-1H-pyrazol-5-yl)propanoic acid, 98% | 796845-50-6 3-(1-Methyl-1H-pyrazol-5-yl)propanoic acid|CS-0058342|796845-50-6 https://www.jk-sci.com/products/ts246cs-0060952 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4876610e3f17d04460c909208db5b00.jpg?v=1791676159 (6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)boronic acid, 97% | 919347-67-4 (6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)boronic acid|CS-0060952|919347-67-4 https://www.jk-sci.com/products/s57c4x-179336 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_118b3d36-c1e0-49a2-a65e-1d17988eebca.png?v=1791713835 Ceftizoxime Impurity 36, 90.70% Ceftizoxime Impurity 36|C4X-179336 https://www.jk-sci.com/products/s57c4x-179340 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dbccc327-80cf-487f-8a88-960273352952.png?v=1791713835 Ceftizoxime Impurity 40, 91.70% Ceftizoxime Impurity 40|C4X-179340 https://www.jk-sci.com/products/ts246cs-0060302 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f694d7efbbb868926a73f6e0db711949.jpg?v=1791676625 3-Bromo-2-nitrobenzoic acid, 98% | 116529-61-4 3-Bromo-2-nitrobenzoic acid|CS-0060302|116529-61-4 https://www.jk-sci.com/products/ts246cs-0060373 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623c8fd4805d09531bbbe44714d91729.jpg?v=1791676567 2-Chloro-7-fluorobenzo[d]thiazole, 96% | 154327-28-3 2-Chloro-7-fluorobenzo[d]thiazole|CS-0060373|154327-28-3 https://www.jk-sci.com/products/ts246cs-0060195 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3337d2bb87e637aa3f76a878fb679de.jpg?v=1791676715 1-Fluoro-3-iodo-5-(trifluoromethyl)benzene, 98% | 1027513-14-9 1-Fluoro-3-iodo-5-(trifluoromethyl)benzene|CS-0060195|1027513-14-9 https://www.jk-sci.com/products/ts246cs-0060111 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1ecdd888ce9d70d2662286b05fc0407.jpg?v=1791676838 2,4-Dichloro-3-cyano-5-fluorobenzoic acid, 97% | 117528-58-2 2,4-Dichloro-3-cyano-5-fluorobenzoic acid|CS-0060111|117528-58-2 https://www.jk-sci.com/products/ts246cs-0059964 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbf9e11f0009d99f604ffbeae241f2d5.jpg?v=1791676932 4-(3,5-Dioxo-1,2,4-triazolidin-4-yl)benzoic acid, 97% | 52203-73-3 4-(3,5-Dioxo-1,2,4-triazolidin-4-yl)benzoic acid|CS-0059964|52203-73-3 https://www.jk-sci.com/products/s57c4x-17941 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/163f8e5625e09e90cad8e31d7d9f4de3.jpg?v=1791713827 Fexofenadine EP Impurity A, 97.60% | 76811-98-8 Fexofenadine EP Impurity A|C4X-17941|76811-98-8 https://www.jk-sci.com/products/s57c4x-179345 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_549d022e-ab80-40ce-a91b-a3372af6e39d.png?v=1791713830 Ceftizoxime Ring-opening decarboxylation S-oxide 1, 92.00% Ceftizoxime Ring-opening decarboxylation S-oxide 1|C4X-179345 https://www.jk-sci.com/products/ts246cs-0060407 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381251.png?v=1791676544 3-(1H-1,2,4-Triazol-1-yl)benzoic Acid, 97.81%+ | 167626-64-4 3-(1H-1,2,4-Triazol-1-yl)benzoic Acid|CS-0060407|167626-64-4 https://www.jk-sci.com/products/ts246cs-0060470 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554b67aba6891e2547b7cfefbe166f91_c50fe743-5489-4e75-9e2b-c12213ddb2e4.jpg?v=1791676498 5-(2-Fluorophenyl)-1H-pyrrole-3-carbonitrile, 98% | 1240948-77-9 5-(2-Fluorophenyl)-1H-pyrrole-3-carbonitrile|CS-0060470|1240948-77-9 https://www.jk-sci.com/products/s57c4x-17942 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/859addec998bf23cbf06496658df8dc4.jpg?v=1791713825 Fexofenadine EP Impurity B, 96.20% | 479035-75-1 Fexofenadine EP Impurity B|C4X-17942|479035-75-1 https://www.jk-sci.com/products/ts246cs-0060535 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6df9d579f5588ce1b533a51b4dba9ab5.jpg?v=1791676463 (3S)-4-Benzyl-3-(chloromethyl)morpholine, 95.00%+ | 917572-28-2 (3S)-4-Benzyl-3-(chloromethyl)morpholine|CS-0060535|917572-28-2 https://www.jk-sci.com/products/ts246cs-0060623 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a642b876f230cf8ebe24299be3258dc2.jpg?v=1793049378 8-Bromo-2-(trifluoromethyl)quinoline, 97.00%+ | 176722-63-7 8-Bromo-2-(trifluoromethyl)quinoline|CS-0060623|176722-63-7 https://www.jk-sci.com/products/s57c4x-17944 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5b3d418acf87589d78b0136b1b6dd48.jpg?v=1791713822 Fexofenadine EP Impurity D, 98.30% | 154825-96-4 Fexofenadine EP Impurity D|C4X-17944|154825-96-4 https://www.jk-sci.com/products/s57c4x-17946 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c87ebeaae7efaec3025f4097721c3a3.jpg?v=1791713815 Fexofenadine EP Impruity F, 93.20% | 185066-33-5 Fexofenadine EP Impruity F|C4X-17946|185066-33-5 https://www.jk-sci.com/products/s57c4x-15906 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b32389bb355435762621c352678ef7ad.jpg?v=1791715688 Safinamide impurity 6, 97.20% | 174756-44-6 Safinamide impurity 6|C4X-15906|174756-44-6 https://www.jk-sci.com/products/ts246cs-0060647 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cedfa4ab96e00bcf571aabd4d907f900.jpg?v=1791676384 6-Chloro-1,3-benzoxazole, 95% | 227197-72-0 6-Chloro-1,3-benzoxazole|CS-0060647|227197-72-0 https://www.jk-sci.com/products/s57c4x-16367 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e434605267ede5ed06f2dd2333a2dbc4.jpg?v=1791715365 Estradiol Impurity 7, 99.30% | 7291-41-0 Estradiol Impurity 7|C4X-16367|7291-41-0 https://www.jk-sci.com/products/ts246cs-0060670 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edc818fa344ba8186e70d9c7bb3318e3.jpg?v=1791676357 3-Bromo-1-nitronaphthalene, 95% | 102153-47-9 3-Bromo-1-nitronaphthalene|CS-0060670|102153-47-9 https://www.jk-sci.com/products/s57c4x-166533 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0da75c4b7d57ba1a555bde705d39b72_56970045-fdbe-48b9-b788-0ffe2f32bbf9.jpg?v=1791715199 Ipratropium Bromide Impurity 33, 92.20% | 2784-21-6 Ipratropium Bromide Impurity 33|C4X-166533|2784-21-6 https://www.jk-sci.com/products/s57c4x-167710 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/851b2ac1f860c4b7c6f0a8b56f4759a9.jpg?v=1791715069 Levonorgestrel EP Impurity J, 98.50% | 1175109-63-3 Levonorgestrel EP Impurity J|C4X-167710|1175109-63-3 https://www.jk-sci.com/products/ts246cs-0060726 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420928_d7b4a828-5e95-4260-80a0-c589c16bb1e4.png?v=1791676311 6-(Trifluoromethoxy)-1H-benzo[d]imidazole, 95% | 911825-64-4 6-(Trifluoromethoxy)-1H-benzo[d]imidazole|CS-0060726|911825-64-4 https://www.jk-sci.com/products/ts246cs-0060706 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16eb34a4fbb35985453b5c1e5d7adaf5.jpg?v=1791676331 [4-(Trifluoromethyl)pyrimidin-2-yl]methanol, 98% | 1240594-67-5 [4-(Trifluoromethyl)pyrimidin-2-yl]methanol|CS-0060706|1240594-67-5 https://www.jk-sci.com/products/s57c4x-169924 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_783fd84f-b6b5-46a7-bf89-b4393c59f62d.png?v=1791714767 Minocycline EP Impurity G DiTFA salt, 93.50% Minocycline EP Impurity G DiTFA salt|C4X-169924 https://www.jk-sci.com/products/s57c4x-169629 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34be372657a22b550575692c9538740d.jpg?v=1791714840 LCZ-696 Impurity 29 calcium salt, 94.80% | 1369773-39-6 LCZ-696 Impurity 29 calcium salt|C4X-169629|1369773-39-6 https://www.jk-sci.com/products/s57c4x-16834 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209598_a76cbb1f-fdd1-44cd-ac16-9c3311c2f87e.png?v=1791714907 Losartan EP Impurity D, 100.00% | 83857-96-9 Losartan EP Impurity D|C4X-16834|83857-96-9 https://www.jk-sci.com/products/s57c4x-170831 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127529_73cc8e14-b489-4971-94c1-e12f029ccae0.png?v=1791714645 Naproxen EP Impurity H, 99.30% | 5111-66-0 Naproxen EP Impurity H|C4X-170831|5111-66-0 https://www.jk-sci.com/products/s57c4x-17045 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6324df5c05f793d3970bebfaf0e33f0.jpg?v=1791714700 Mometasone EP Impurity M, 96.00% | 57780-86-6 Mometasone EP Impurity M|C4X-17045|57780-86-6 https://www.jk-sci.com/products/ts246cs-0060841 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7332ebd8295aa538921ecb258a66db4.jpg?v=1791676244 1-(2,4-Dichloro-5-fluoro-3-nitrophenyl)ethanone, 97% | 887267-36-9 1-(2,4-Dichloro-5-fluoro-3-nitrophenyl)ethanone|CS-0060841|887267-36-9 https://www.jk-sci.com/products/s57c4x-1718 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156717_39bb4b4f-7aa5-4701-ba05-b66babfccbb7.png?v=1791714619 Olopatadine Hydrochloride, 98.00% | 140462-76-6 Olopatadine Hydrochloride|C4X-1718|140462-76-6 https://www.jk-sci.com/products/ts246cs-0060866 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bcfc5d1148c57575d45fede6967e007.jpg?v=1791676213 Benzyl 2-hydroxy-2-methylpropanoate, 95% | 19444-23-6 Benzyl 2-hydroxy-2-methylpropanoate|CS-0060866|19444-23-6 https://www.jk-sci.com/products/ts246cs-0060926 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05290ad88272c846110a41af98b3d0dc.jpg?v=1791676174 1-N-Boc-3-(4-Bromophenoxy)pyrrolidine, 96% | 1159825-42-9 1-N-Boc-3-(4-Bromophenoxy)pyrrolidine|CS-0060926|1159825-42-9 https://www.jk-sci.com/products/ts246cs-0060990 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f6d1b997c7149a34a47de53a8c726df.jpg?v=1791676121 tert-Butyl 2-amino-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate, 97.00%+ | 1000386-01-5 tert-Butyl 2-amino-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate|CS-0060990|1000386-01-5 https://www.jk-sci.com/products/ts246cs-0061026 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3676d9a577b15ac5476bce44e43bac7c.jpg?v=1791676101 2-(3-Isopropylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97.00%+ | 325142-89-0 2-(3-Isopropylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0061026|325142-89-0 https://www.jk-sci.com/products/s57c4x-1720148 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f9f774e326b9a9efe94cb4a49ca8579.jpg?v=1791714560 Oseltamivir Impurity 148, Purity: 100.0% | 2417645-75-9 Oseltamivir Impurity 148|C4X-1720148|2417645-75-9 https://www.jk-sci.com/products/s57c4x-171847 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fe8c16e9ffd8f4fae0cb37ba1344a79.jpg?v=1791714591 Olopatadine Impurity 47, 92.10% | 872040-99-8 Olopatadine Impurity 47|C4X-171847|872040-99-8 https://www.jk-sci.com/products/s57c4x-1720217 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c6cf79c-cefc-4550-982e-cff1f33991c9.png?v=1791714527 Oseltamivir Impurity 217, Purity: 99.9% Oseltamivir Impurity 217|C4X-1720217 https://www.jk-sci.com/products/ts246cs-0061034 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/498941.png?v=1791676091 3-Isobutyl-1-methyl-1H-pyrazole-5-carboxylic acid, 97% | 769132-77-6 3-Isobutyl-1-methyl-1H-pyrazole-5-carboxylic acid|CS-0061034|769132-77-6 https://www.jk-sci.com/products/ts246cs-0061039 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/653fd94993938ff2cf0b466d03d53fa1.jpg?v=1791676085 3-Amino-1-isopropyl-1H-pyrazole-4-carbonitrile, 97.00%+ | 89897-29-0 3-Amino-1-isopropyl-1H-pyrazole-4-carbonitrile|CS-0061039|89897-29-0 https://www.jk-sci.com/products/ts246cs-0061058 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b22c59ad4e46627413b26381d777451.jpg?v=1791676075 3-Propan-2-yl-1,3-dihydroindol-2-one, 98% | 4679-87-2 3-Propan-2-yl-1,3-dihydroindol-2-one|CS-0061058|4679-87-2 https://www.jk-sci.com/products/ts246cs-0061092 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1069260307eda1808d9da1db0796124.jpg?v=1791676055 2-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid, 97% | 890839-31-3 2-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid|CS-0061092|890839-31-3 https://www.jk-sci.com/products/ts246cs-0061103 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42ae20588215987e7f5e5853e5d8a2ea.jpg?v=1791676044 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carboxylate, 98% | 1040281-86-4 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carboxylate|CS-0061103|1040281-86-4 https://www.jk-sci.com/products/ts246cs-0061065 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/551611.png?v=1791676069 AC-Asp(OtBU)-OH, 97.00%+ | 117833-18-8 AC-Asp(OtBU)-OH|CS-0061065|117833-18-8 https://www.jk-sci.com/products/ts246cs-0061075 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234256_819ef67b-832b-4d71-bb50-01d70904333a.png?v=1791676065 N-(Hydroxymethyl)acetamide, 95% | 625-51-4 N-(Hydroxymethyl)acetamide|CS-0061075|625-51-4 https://www.jk-sci.com/products/ts246cs-0061116 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85b862b6611b35316e14f4710ddc7e98.jpg?v=1791676030 7-Bromo-2,2-dimethyl-3H-chromen-4-one, 98% | 130200-01-0 7-Bromo-2,2-dimethyl-3H-chromen-4-one|CS-0061116|130200-01-0 https://www.jk-sci.com/products/ts246cs-0061100 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13cd983efae05cf8abcb11e98969f17e.jpg?v=1791676049 2-[3-(Difluoromethoxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 1035690-56-2 2-[3-(Difluoromethoxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0061100|1035690-56-2 https://www.jk-sci.com/products/ts246cs-0061158 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df918734999a9a75c2d2e64babb1e3da.jpg?v=1791675997 3-Fluoro-2-methylbenzamide, 98% | 886502-05-2 3-Fluoro-2-methylbenzamide|CS-0061158|886502-05-2 https://www.jk-sci.com/products/ts246cs-0061168 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514478.png?v=1791675992 1,4-Diiodo-2,5-dimethylbenzene, 99.91%+ | 1124-08-9 1,4-Diiodo-2,5-dimethylbenzene|CS-0061168|1124-08-9 https://www.jk-sci.com/products/ts246cs-0061178 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cd615ae9249d86e1aaf58fe3cc1eccb.jpg?v=1791675978 4-Bromo-N-(5-fluoro-2-methylphenyl)benzenesulfonamide, 99.94%+ | 885396-64-5 4-Bromo-N-(5-fluoro-2-methylphenyl)benzenesulfonamide|CS-0061178|885396-64-5 https://www.jk-sci.com/products/ts246cs-0061187 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6445c14472d5b87dc619a5f246e51c24.jpg?v=1791675967 5-Chloro-2-methylnicotinic acid, 98% | 1092286-30-0 5-Chloro-2-methylnicotinic acid|CS-0061187|1092286-30-0 https://www.jk-sci.com/products/s57c4x-172057 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37d8f5aa-674f-4365-a4d4-42d4dd05c8c0.png?v=1791714498 【提供盐酸盐C4X-1720248】Oseltamivir Impurity 57, 96.20% 【提供盐酸盐C4X-1720248】Oseltamivir Impurity 57|C4X-172057 https://www.jk-sci.com/products/ts246cs-0061197 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b48d3bda613aa99dea69aa047b699a8f.jpg?v=1791675958 2-Bromo-6-methylbenzaldehyde, 97% | 176504-70-4 2-Bromo-6-methylbenzaldehyde|CS-0061197|176504-70-4 https://www.jk-sci.com/products/s57c4x-17232 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304079_8bf3e38b-ef45-49c0-8012-7f29d73c915a.png?v=1791714472 Oxymetazoline EP Impurity B HCl, 98.30% | 1218-35-5 Oxymetazoline EP Impurity B HCl|C4X-17232|1218-35-5 https://www.jk-sci.com/products/s57c4x-172633 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f55adca0118683c7fa575fb81bbca763.jpg?v=1791714380 Pemetrexed Impurity 33, 96.20% | 193265-47-3 Pemetrexed Impurity 33|C4X-172633|193265-47-3 https://www.jk-sci.com/products/s57c4x-1728 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354083_66ddf894-f800-4b27-9174-879549c9c726.png?v=1791714368 Pentoxifylline, 100.00% | 6493-05-6 Pentoxifylline|C4X-1728|6493-05-6 https://www.jk-sci.com/products/ts246cs-0061248 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a2de4905783cbb594d62917c280af79.jpg?v=1791675920 2-Amino-4-fluoro-5-methylbenzonitrile, 99.72%+ | 1037206-84-0 2-Amino-4-fluoro-5-methylbenzonitrile|CS-0061248|1037206-84-0 https://www.jk-sci.com/products/ts246cs-0061215 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319246.png?v=1791675948 5-Methyl-3,4-dihydro-2H-naphthalen-1-one, 98% | 6939-35-1 5-Methyl-3,4-dihydro-2H-naphthalen-1-one|CS-0061215|6939-35-1 https://www.jk-sci.com/products/ts246cs-0061246 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408507.png?v=1791675924 4-Chloro-5-methylbenzene-1,2-diamine, 95.00%+ | 63155-04-4 4-Chloro-5-methylbenzene-1,2-diamine|CS-0061246|63155-04-4 https://www.jk-sci.com/products/ts246cs-0061221 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb144a5ceecc1743158787a352e3c6bd.jpg?v=1791675943 2-Bromo-4-fluoro-1,3,5-trimethylbenzene, 96% | 1580-05-8 2-Bromo-4-fluoro-1,3,5-trimethylbenzene|CS-0061221|1580-05-8 https://www.jk-sci.com/products/s57c4x-172534 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a963650f669dada415eaf7e5bc389d6.jpg?v=1791714405 Pazopanib Impurity 34, 99.80% | 444731-75-3 Pazopanib Impurity 34|C4X-172534|444731-75-3 https://www.jk-sci.com/products/s57c4x-172442 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dac6127ced2dd842585ce7786ff9a2a4.jpg?v=1791714440 Paliperidone Impurity 42, 99.40% | 1380413-60-4 Paliperidone Impurity 42|C4X-172442|1380413-60-4 https://www.jk-sci.com/products/ts246cs-0061252 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d59c711e1ea5a6ef2c7f2e3c6aba3e77.jpg?v=1791675914 2,6-Dichloro-4-methylbenzaldehyde, 95% | 116070-31-6 2,6-Dichloro-4-methylbenzaldehyde|CS-0061252|116070-31-6 https://www.jk-sci.com/products/ts246cs-0061256 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fd882687398edf38bce9b08b4a9ae3a.jpg?v=1791675910 3-Chloro-5-methylbenzaldehyde, 97% | 103426-20-6 3-Chloro-5-methylbenzaldehyde|CS-0061256|103426-20-6 https://www.jk-sci.com/products/ts246cs-0061269 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f99d79d51f9a57fa57f0a594dbbb5df.jpg?v=1791675904 3-Methyl-4-morpholinophenylboronicacid, 98% | 1426245-63-7 3-Methyl-4-morpholinophenylboronicacid|CS-0061269|1426245-63-7 https://www.jk-sci.com/products/s57c4x-17287 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587071ace10eb22a371270a542d66926.jpg?v=1791714353 Pentoxifylline EP Impurity G, 98.20% | 93079-86-8 Pentoxifylline EP Impurity G|C4X-17287|93079-86-8 https://www.jk-sci.com/products/ts246cs-0061293 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e518d1a3b875e8f95d78e9d57d5af58f.jpg?v=1791675884 5,6-Dimethylpicolinic acid, 99.72%+ | 83282-49-9 5,6-Dimethylpicolinic acid|CS-0061293|83282-49-9 https://www.jk-sci.com/products/ts246cs-0059821 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/940769dac960dec47bbf98d550ef1085.jpg?v=1791677015 tert-Butyl (5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-thioxanthen-2-yl)carbamate, 98% | 587871-47-4 tert-Butyl (5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-thioxanthen-2-yl)carbamate|CS-0059821|587871-47-4 https://www.jk-sci.com/products/s57c4x-173214 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/895482ac4e8b035cdbba671b22b5e08d.jpg?v=1791714332 Piperacillin Impurity 14(Piperacillin EP Impurity B), 93.60% | 64817-22-7 Piperacillin Impurity 14(Piperacillin EP Impurity B)|C4X-173214|64817-22-7 https://www.jk-sci.com/products/ts246cs-0060139 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6c04da246b74cc82db93409ef665a68.jpg?v=1791676788 2,5-Dibromopyridin-4-amine, 98% | 221241-37-8 2,5-Dibromopyridin-4-amine|CS-0060139|221241-37-8 https://www.jk-sci.com/products/s57c4x-173224 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48dc3fb2b162283511aa23ce77750d57.jpg?v=1791714313 DL-Piperacillin EP Impurity I, 92.60% | 158411-82-6 DL-Piperacillin EP Impurity I|C4X-173224|158411-82-6 https://www.jk-sci.com/products/ts246cs-0060345 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8112b0527d2e65828cd2ea709581822.jpg?v=1791676587 1,2-Dibromo-4-chlorobenzene, 98% | 60956-24-3 1,2-Dibromo-4-chlorobenzene|CS-0060345|60956-24-3 https://www.jk-sci.com/products/s57c4x-17328 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df3ea5b7-b0e4-4016-8482-42292b0ea8b4.png?v=1791714298 Piperacillin Impurity 8, 90.10% Piperacillin Impurity 8|C4X-17328 https://www.jk-sci.com/products/ts246cs-0060449 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27b404d46c9976acbda19ef1a2e9048a.jpg?v=1791676516 5-(Difluoromethyl)pyridine-2-carboxylic acid, 98% | 859538-41-3 5-(Difluoromethyl)pyridine-2-carboxylic acid|CS-0060449|859538-41-3 https://www.jk-sci.com/products/s57c4x-17354 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522492_ba92018d-bbd2-4279-bcb2-54611338f884.png?v=1791714286 Pravastatin EP Impurity D, 95.00% | 85956-22-5 Pravastatin EP Impurity D|C4X-17354|85956-22-5 https://www.jk-sci.com/products/s57c4x-173722 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bdcaf12a309ca4f54024e1c25371d62.jpg?v=1791714273 Prednisolone Impurity 22, 99.50% | 37927-29-0 Prednisolone Impurity 22|C4X-173722|37927-29-0 https://www.jk-sci.com/products/ts246cs-0060711 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26054464e1115b0c133dd038b6f8d257.jpg?v=1791676325 7-Fluoroimidazo[1,2-a]pyridine-3-carboxylic acid, 97% | 1159827-76-5 7-Fluoroimidazo[1,2-a]pyridine-3-carboxylic acid|CS-0060711|1159827-76-5 https://www.jk-sci.com/products/ts246cs-0060595 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19144beec52db69b15fda715001b2e5c.jpg?v=1791676424 2-(3,4-Dihydro-1H-isochromen-1-yl)acetic acid, 97% | 22901-11-7 2-(3,4-Dihydro-1H-isochromen-1-yl)acetic acid|CS-0060595|22901-11-7 https://www.jk-sci.com/products/ts246cs-0060657 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449859.png?v=1791676373 3-Bromo-2H-indazol-6-amine, 98% | 52347-72-5 3-Bromo-2H-indazol-6-amine|CS-0060657|52347-72-5 https://www.jk-sci.com/products/s57c4x-174418 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/292753_9e0f4f81-f9cf-4e89-9e57-262361a55805.png?v=1791714248 Ramipril, 93.40% | 87333-19-5 Ramipril|C4X-174418|87333-19-5 https://www.jk-sci.com/products/ts246cs-0060798 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6663c5bea5f0582772642222ee6c3b8.jpg?v=1791676278 5,6,7,8-Tetrahydro-1H-quinazolin-4-one, 98% | 19178-19-9 5,6,7,8-Tetrahydro-1H-quinazolin-4-one|CS-0060798|19178-19-9 https://www.jk-sci.com/products/s57c4x-17454 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af3ef42eb7209ef0322024f5db270e1e.jpg?v=1791714229 Ropinirole Impurity 4, 93.60% | 120427-93-2 Ropinirole Impurity 4|C4X-17454|120427-93-2 https://www.jk-sci.com/products/ts246cs-0060887 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85af86fbeaea4090a25d894ba20442b1.jpg?v=1791676194 5-Bromo-4-tert-butylpyrimidine, 97% | 1439-08-3 5-Bromo-4-tert-butylpyrimidine|CS-0060887|1439-08-3 https://www.jk-sci.com/products/s57c4x-1751 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124712_e064446a-81b2-4bfb-8ea8-9e8cd57b00ba.png?v=1791714213 Ritonavir, 99.00% | 155213-67-5 Ritonavir|C4X-1751|155213-67-5 https://www.jk-sci.com/products/ts246cs-0060984 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8412022832c5222c84446696c77c1f35.jpg?v=1791676125 Methyl (S)-2-((tert-butoxycarbonyl)amino)-5-iodopentanoate, 97.00%+ | 162007-08-1 Methyl (S)-2-((tert-butoxycarbonyl)amino)-5-iodopentanoate|CS-0060984|162007-08-1 https://www.jk-sci.com/products/ts246cs-0061033 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7493751bf5fffb9e88fb05ede49c440.jpg?v=1791676095 2,3,5-Trimethyl-6-(2-methylpropyl)pyrazine, 97% | 46187-37-5 2,3,5-Trimethyl-6-(2-methylpropyl)pyrazine|CS-0061033|46187-37-5 https://www.jk-sci.com/products/ts246cs-0061054 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3523e1ecf168323e7867b0165fcaa71.jpg?v=1791676075 1-(2-Bromophenyl)ethanamine hydrochloride, 98% | 1187928-17-1 1-(2-Bromophenyl)ethanamine hydrochloride|CS-0061054|1187928-17-1 https://www.jk-sci.com/products/ts246cs-0061074 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/027bb53c896f9c99975ddb8a5176f777.jpg?v=1791676069 N-(6-Chloropyridazin-3-yl)acetamide, 97% | 14959-31-0 N-(6-Chloropyridazin-3-yl)acetamide|CS-0061074|14959-31-0 https://www.jk-sci.com/products/ts246cs-0061098 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240485_1c21cba8-5c8f-45ba-9567-6467309afaca.png?v=1791676049 1-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrrolidine, 97.00%+ | 857283-63-7 1-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrrolidine|CS-0061098|857283-63-7 https://www.jk-sci.com/products/ts246cs-0061114 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca6adcbbafb4e85ed767bd7fcf8e67a7.jpg?v=1791676030 4,4,5,5-Tetramethyl-2-(2,2,6,6-tetramethyl-3H-pyran-4-yl)-1,3,2-dioxaborolane, 97% | 1142363-56-1 4,4,5,5-Tetramethyl-2-(2,2,6,6-tetramethyl-3H-pyran-4-yl)-1,3,2-dioxaborolane|CS-0061114|1142363-56-1 https://www.jk-sci.com/products/s57c4x-175120 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53169ee21a560631ba99630905a7bb5d.jpg?v=1791714197 Ritonavir EP Impurity O, 99.30% | 1414933-81-5 Ritonavir EP Impurity O|C4X-175120|1414933-81-5 https://www.jk-sci.com/products/s57c4x-175621 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ae89bed01265e9097a9723e66b29819.jpg?v=1791714151 Sulbactam-d5 Sodium Salt (Major), Purity>95% | 1322625-44-4 Sulbactam-d5 Sodium Salt (Major)|C4X-175621|1322625-44-4 https://www.jk-sci.com/products/s57c4x-17518 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bef532213943b21f4c2bf0677d8bff0.jpg?v=1791714179 Ritonavir EP Impurity H, Purity: 98.2% | 1010809-43-4 Ritonavir EP Impurity H|C4X-17518|1010809-43-4 https://www.jk-sci.com/products/s57c4x-175332 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a62d13b0c538fa62d42949e17429eba8.jpg?v=1791714165 Ropivacaine Impurity 32, Purity: 100.0% | 99552-32-6 Ropivacaine Impurity 32|C4X-175332|99552-32-6 https://www.jk-sci.com/products/ts246cs-0061161 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373d3ac71285f8c6a56af0a141a1d30d.jpg?v=1791675991 4-Fluoro-2,3-dimethylphenol, 98% | 77249-34-4 4-Fluoro-2,3-dimethylphenol|CS-0061161|77249-34-4 https://www.jk-sci.com/products/s57c4x-176013 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539e4a6abccd687b1639e63df92b463e.jpg?v=1791714140 Teneligliptin Impurity 13, 94.90% | 1404559-17-6 Teneligliptin Impurity 13|C4X-176013|1404559-17-6 https://www.jk-sci.com/products/ts246cs-0061183 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/626868.png?v=1791675971 1,3-Dibromo-5-methoxy-2-methylbenzene, 98% | 14542-71-3 1,3-Dibromo-5-methoxy-2-methylbenzene|CS-0061183|14542-71-3 https://www.jk-sci.com/products/s57c4x-17603 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/050bfb5904a947ff4bead9d15d26eaca.jpg?v=1791714130 Teneligliptin Impurity 3, 99.70% | 401564-36-1 Teneligliptin Impurity 3|C4X-17603|401564-36-1 https://www.jk-sci.com/products/s57c4x-17642 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a47fe065ef2f4a5fa4f38b18127aaee3.jpg?v=1791714114 Tiotropium Bromide EP Impurity B, Purity: 99.9% | 136310-64-0 Tiotropium Bromide EP Impurity B|C4X-17642|136310-64-0 https://www.jk-sci.com/products/s57c4x-1768 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494464_0375f4b7-5e8b-4896-8119-ffb7ea981b6c.png?v=1791714103 Topiramate, 99.3% | 97240-79-4 Topiramate|C4X-1768|97240-79-4 https://www.jk-sci.com/products/s57c4x-17687 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb815e2809982c66a2e2bcdadd6acc37.jpg?v=1791714087 Topiramate Impurity 7, 97.30% | 20880-92-6 Topiramate Impurity 7|C4X-17687|20880-92-6 https://www.jk-sci.com/products/ts246cs-0061199 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f23a7bd4f74e83cc4d18f998db1442b1.jpg?v=1791675959 2,5-Dimethyl-4-nitrobenzo[d]thiazole, 99.99%+ | 650635-66-8 2,5-Dimethyl-4-nitrobenzo[d]thiazole|CS-0061199|650635-66-8 https://www.jk-sci.com/products/ts246cs-0061241 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/527d2dcbd5d63b8405dffd5fe274296d.jpg?v=1791675930 Methyl 5-bromo-4-methoxy-2-methylbenzoate, 97% | 1131587-94-4 Methyl 5-bromo-4-methoxy-2-methylbenzoate|CS-0061241|1131587-94-4 https://www.jk-sci.com/products/ts246cs-0061250 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a29dcb4fa8b0068747558285d6f34488.jpg?v=1791675919 5-Chloro-4-fluoro-2-methylaniline, 98.56%+ | 1242339-43-0 5-Chloro-4-fluoro-2-methylaniline|CS-0061250|1242339-43-0 https://www.jk-sci.com/products/ts246cs-0061261 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/497077.png?v=1791675905 Methyl 5-bromo-2-methoxy-3-methylbenzenecarboxylate, 98% | 722497-32-7 Methyl 5-bromo-2-methoxy-3-methylbenzenecarboxylate|CS-0061261|722497-32-7 https://www.jk-sci.com/products/s57c4x-1770 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8171b6602fbc30ad788fac97c09a2db.jpg?v=1791714082 Trandolapril, 98.20% | 87679-37-6 Trandolapril|C4X-1770|87679-37-6 https://www.jk-sci.com/products/ts246cs-0061295 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14beb81df9a109c3e6d493501b26563f.jpg?v=1791675874 Methyl 4-(2,5-dimethylpyrrol-1-yl)benzoate, 98% | 26165-66-2 Methyl 4-(2,5-dimethylpyrrol-1-yl)benzoate|CS-0061295|26165-66-2 https://www.jk-sci.com/products/s57c4x-17712 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f0e1136799beb39819c811401a8341_39c82760-b23a-4c60-add7-59af5c9ce7ec.jpg?v=1791714076 Tranexamic Acid EP Impurity B, 96.50% | 1197-17-7 Tranexamic Acid EP Impurity B|C4X-17712|1197-17-7 https://www.jk-sci.com/products/s57c4x-17715 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0b12fc8d44a14346dbfa268ac2c77e6.jpg?v=1791714066 Tranexamic Acid EP Impurity C HCl, 97.00% | 1803601-44-6 Tranexamic Acid EP Impurity C HCl|C4X-17715|1803601-44-6 https://www.jk-sci.com/products/s57c4x-17721 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5dcaf1691e1c80f51b66265b7c89cc5.jpg?v=1791714055 Trazodone EP Impurity B, 96.30% | 62337-66-0 Trazodone EP Impurity B|C4X-17721|62337-66-0 https://www.jk-sci.com/products/s57c4x-177220 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5c5169a4f524da8125ff4628fdaccd4.jpg?v=1791714048 Trazodone EP Impurity G, 98.30% | 2470436-00-9 Trazodone EP Impurity G|C4X-177220|2470436-00-9 https://www.jk-sci.com/products/ts246cs-0061331 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ebf3b1afe30d05b51b9dacc9edeed73.jpg?v=1791675860 6-Chloro-2,3-dimethylpyridine, 98% | 72093-13-1 6-Chloro-2,3-dimethylpyridine|CS-0061331|72093-13-1 https://www.jk-sci.com/products/s57c4x-177246 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2617e550c303227f8599f91e6dc4cbf8.jpg?v=1791714029 Trazodone Impurity 46, Purity: 99.9% | 2219339-13-4 Trazodone Impurity 46|C4X-177246|2219339-13-4 https://www.jk-sci.com/products/s57c4x-177226 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e6275085-3a51-43c9-bf08-6b2d2b294be3.png?v=1791714042 Trazodone EP Impurity M, 99.50% Trazodone EP Impurity M|C4X-177226 https://www.jk-sci.com/products/ts246cs-0061346 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f4e668f2d70d2148febea615e4b678e.jpg?v=1791675851 6-Bromo-1,5-dimethyl-1H-indazole, 97% | 1159511-83-7 6-Bromo-1,5-dimethyl-1H-indazole|CS-0061346|1159511-83-7 https://www.jk-sci.com/products/ts246cs-0061351 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2df1c9705ba560e4ae7cc9eaabeb1a09.jpg?v=1791675846 (5-Methyl-2H-indazol-6-yl)boronic acid, 95.00%+ | 1310383-42-6 (5-Methyl-2H-indazol-6-yl)boronic acid|CS-0061351|1310383-42-6 https://www.jk-sci.com/products/s57c4x-177233 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_111fb7f9-5200-4a52-81f7-75e9f63e3a2b.png?v=1791714033 Trazodone Impurity 33, 93.00% Trazodone Impurity 33|C4X-177233 https://www.jk-sci.com/products/ts246cs-0061360 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0338ac45ad7be4a51940587d1637a9d6.jpg?v=1791675842 6-Chloro-3-methylimidazo[1,2-b]pyridazine, 97% | 137384-48-6 6-Chloro-3-methylimidazo[1,2-b]pyridazine|CS-0061360|137384-48-6 https://www.jk-sci.com/products/s57c4x-177267 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf23cbdb6504549e2c5257bd7630d5a3.jpg?v=1791714022 Trazodone Impurity 67 HCl, 86.30% | 142944-48-7 Trazodone Impurity 67 HCl|C4X-177267|142944-48-7 https://www.jk-sci.com/products/s57c4x-177420 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3afaa94b-294d-42a7-956e-3be2622390fd.png?v=1791714006 Valganciclovir EP Impurity Q, 92.20% Valganciclovir EP Impurity Q|C4X-177420 https://www.jk-sci.com/products/s57c4x-17728 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92be3fbbfb83ad2a8ab8b8d2bb232360.jpg?v=1791714014 Trazodone Impurity 8, 97.10% | 6323-09-7 Trazodone Impurity 8|C4X-17728|6323-09-7 https://www.jk-sci.com/products/ts246cs-0061371 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/747fa6597a38684c6f75b8cc1fa38e31.jpg?v=1791675832 2,3-Dichloro-5,6-dimethylpyrazine, 98% | 32493-79-1 2,3-Dichloro-5,6-dimethylpyrazine|CS-0061371|32493-79-1 https://www.jk-sci.com/products/s57c4x-1775 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122263_de711306-7e0b-404b-9a8c-1e555f5b2712.png?v=1791713999 Vancomycin Hydrochloride, 86.80% | 1404-93-9 Vancomycin Hydrochloride|C4X-1775|1404-93-9 https://www.jk-sci.com/products/ts246cs-0061385 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e62e07d2c3b38dc3c8a22fb9f11cbda.jpg?v=1791675812 5-Bromo-2,3-dimethylpyrazine, 98% | 111454-68-3 5-Bromo-2,3-dimethylpyrazine|CS-0061385|111454-68-3 https://www.jk-sci.com/products/ts246cs-0061404 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2ac0d328d30251d6e3c1ea2c726da74.jpg?v=1791675798 6-Methyl-2-phenyl-4,5-dihydropyridazin-3-one, 98.51%+ | 4578-58-9 6-Methyl-2-phenyl-4,5-dihydropyridazin-3-one|CS-0061404|4578-58-9 https://www.jk-sci.com/products/ts246cs-0061497 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efd31bf358ea6aeee3acd137fe5c6802_e40325db-ef4a-438e-95bd-0a67fe3ebc79.jpg?v=1791675753 9-Octyl-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole, 97% | 478706-06-8 9-Octyl-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole|CS-0061497|478706-06-8 https://www.jk-sci.com/products/ts246cs-0061451 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4afb4de2a969e8138d972334206344c3.jpg?v=1791675777 2-Amino-3-(2-chlorobenzoyl)-5-ethylthiophene, 97% | 50508-60-6 2-Amino-3-(2-chlorobenzoyl)-5-ethylthiophene|CS-0061451|50508-60-6 https://www.jk-sci.com/products/ts246cs-0061461 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406807d45b6a5f0d3a476f3dfffe6a68.jpg?v=1791675771 2-Chloro-8-ethylquinoline-3-carbaldehyde, 98% | 335196-05-9 2-Chloro-8-ethylquinoline-3-carbaldehyde|CS-0061461|335196-05-9 https://www.jk-sci.com/products/s57c4x-177515 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/065a139215573a222303169242d70b10.jpg?v=1791713993 Vancomycin EP Impurity H, 93.10% | 357396-41-9 Vancomycin EP Impurity H|C4X-177515|357396-41-9 https://www.jk-sci.com/products/s57c4x-17753 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2ae845ad1c1dc289e44809dfb45aa27.jpg?v=1791713987 Vancomycin EP Impurity B, 89.90% | 555598-85-1 Vancomycin EP Impurity B|C4X-17753|555598-85-1 https://www.jk-sci.com/products/ts246cs-0061506 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/beda5c4b3ce66882970424b495cc2aa0.jpg?v=1791675749 4-(4-Propylpiperazin-1-yl)benzoic acid, 98% | 85469-68-7 4-(4-Propylpiperazin-1-yl)benzoic acid|CS-0061506|85469-68-7 https://www.jk-sci.com/products/ts246cs-0061521 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d103e1029c07a2e303704267ea3d0fe.jpg?v=1791675737 1-Ethylindazol-5-amine, 97.00%+ | 511249-17-5 1-Ethylindazol-5-amine|CS-0061521|511249-17-5 https://www.jk-sci.com/products/ts246cs-0061517 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ebcdfa0baba94251406e31d9f2707df.jpg?v=1791675742 1-Ethylpyrazole-4-carbonitrile, 98% | 1006434-01-0 1-Ethylpyrazole-4-carbonitrile|CS-0061517|1006434-01-0 https://www.jk-sci.com/products/ts246cs-0061565 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531571.png?v=1791675706 ethyl 5-amino-1-(4-nitrophenyl)pyrazole-4-carboxylate, 99.89%+ | 16459-35-1 ethyl 5-amino-1-(4-nitrophenyl)pyrazole-4-carboxylate|CS-0061565|16459-35-1 https://www.jk-sci.com/products/ts246cs-0061613 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea1201e761af5400a991993053efe8c4.jpg?v=1791675684 Ethyl 4-[2-(1,3-dioxoisoindol-2-yl)ethoxy]-3-oxobutanoate, 97% | 88150-75-8 Ethyl 4-[2-(1,3-dioxoisoindol-2-yl)ethoxy]-3-oxobutanoate|CS-0061613|88150-75-8 https://www.jk-sci.com/products/ts246cs-0061583 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e42a8980f2f99a1a3292974edbf6914b.jpg?v=1791675695 ethyl 4-chloro-1,5-dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylate, 96% | 853109-70-3 ethyl 4-chloro-1,5-dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylate|CS-0061583|853109-70-3 https://www.jk-sci.com/products/s57c4x-17757 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec18c8fb-3690-4976-9789-7aadd568a1c9.png?v=1791713981 Vancomycin EP Impurity F, 91.70% Vancomycin EP Impurity F|C4X-17757 https://www.jk-sci.com/products/ts246cs-0061646 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4a5809d8fd968ebcb50d0ec9f005785.jpg?v=1791675663 5-Ethoxy-2-nitroaniline, 99.79%+ | 27076-16-0 5-Ethoxy-2-nitroaniline|CS-0061646|27076-16-0 https://www.jk-sci.com/products/ts246cs-0061619 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e64ee5c0da8354bc74e2c97f0e08dde.jpg?v=1791675679 Ethyl 2-(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)acetate, 97.00%+ | 14028-68-3 Ethyl 2-(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)acetate|CS-0061619|14028-68-3 https://www.jk-sci.com/products/ts246cs-0061676 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420324.png?v=1791675647 Fmoc-(S)-3-Amino-4-(2,4-dichloro-phenyl)-butyric acid, 98% | 270063-49-5 Fmoc-(S)-3-Amino-4-(2,4-dichloro-phenyl)-butyric acid|CS-0061676|270063-49-5 https://www.jk-sci.com/products/ts246cs-0061693 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/548251.png?v=1791675641 Fmoc-(S)-3-amino-4-(3-chlorophenyl)-butyric acid, 98% | 270596-40-2 Fmoc-(S)-3-amino-4-(3-chlorophenyl)-butyric acid|CS-0061693|270596-40-2 https://www.jk-sci.com/products/s57c4x-17782 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239246_cdba59b4-c708-456c-8936-f8b1d95ba391.png?v=1791713974 Verapamil EP Impurity B, 94.70% | 3490-06-0 Verapamil EP Impurity B|C4X-17782|3490-06-0 https://www.jk-sci.com/products/s57c4x-177829 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550025_92efb513-c428-4b78-8674-4a900b90b785.png?v=1791713969 Verapamil EP Impurity B HCl, 95.10% | 13078-76-7 Verapamil EP Impurity B HCl|C4X-177829|13078-76-7 https://www.jk-sci.com/products/ts246cs-0061716 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110c32bc8a82dde68c660afad62098eb.jpg?v=1791675626 N,N-dimethyl-1-piperidin-4-ylmethanamine dihydrochloride, 98% | 172281-72-0 N,N-dimethyl-1-piperidin-4-ylmethanamine dihydrochloride|CS-0061716|172281-72-0 https://www.jk-sci.com/products/s57c4x-17787 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335662_c6a34b78-b4aa-432b-9917-851e54629132.png?v=1791713962 Verapamil EP Impurity G, 99.40% | 120-14-9 Verapamil EP Impurity G|C4X-17787|120-14-9 https://www.jk-sci.com/products/s57c4x-177926 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68db2c3ae0a0601f5bc65b5ce9ed0ffc.jpg?v=1791713947 Ascorbic Acid EP Impurity H, 96.20% | 122046-79-1 Ascorbic Acid EP Impurity H|C4X-177926|122046-79-1 https://www.jk-sci.com/products/s57c4x-177918 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e260a37e8208271ed14c9c83455aef0.jpg?v=1791713953 Vitamin E Impurity 18, Purity>95% | 113892-08-3 Vitamin E Impurity 18|C4X-177918|113892-08-3 https://www.jk-sci.com/products/ts246cs-0061731 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588060.png?v=1791675605 5-chloro-1-methyl-3-phenylpyrazole-4-carbaldehyde, 98% | 883-38-5 5-chloro-1-methyl-3-phenylpyrazole-4-carbaldehyde|CS-0061731|883-38-5 https://www.jk-sci.com/products/ts246cs-0060069 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c2b023bcca9d57655a08434bac801dc.jpg?v=1791676875 1-(tert-Butyl)-1,5,6,7-tetrahydro-4H-pyrazolo[4,3-c]pyridin-4-one, 98% | 1257403-88-5 1-(tert-Butyl)-1,5,6,7-tetrahydro-4H-pyrazolo[4,3-c]pyridin-4-one|CS-0060069|1257403-88-5 https://www.jk-sci.com/products/s57c4x-17796 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487247_59fbb5d6-cf8f-4e17-bd96-9e5c2fb864d6.png?v=1791713939 L-Dehydro Ascorbic Acid, 95.20% | 490-83-5 L-Dehydro Ascorbic Acid|C4X-17796|490-83-5 https://www.jk-sci.com/products/ts246cs-0060387 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e212a44b287be0f5a788a62937d1b54c.jpg?v=1791676559 [3-(Morpholin-4-ylmethyl)phenyl]boronic acid, 97% | 397843-58-2 [3-(Morpholin-4-ylmethyl)phenyl]boronic acid|CS-0060387|397843-58-2 https://www.jk-sci.com/products/s57c4x-1780 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597336_c1f765c0-3e18-420e-b04b-795025e6bd6f.png?v=1791713933 Voglibose, Purity: 100.0% | 83480-29-9 Voglibose|C4X-1780|83480-29-9 https://www.jk-sci.com/products/s57c4x-17823 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c87ba85071231145695b15b41278e58b.jpg?v=1791713928 Xylometazoline EP Impurity B, 99.10% | 19387-83-8 Xylometazoline EP Impurity B|C4X-17823|19387-83-8 https://www.jk-sci.com/products/ts246cs-0060629 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4712d081bc3cbab27ed64fb39408852d.jpg?v=1791676398 4-Amino-2-benzofuran-1,3-dione, 98% | 17395-99-2 4-Amino-2-benzofuran-1,3-dione|CS-0060629|17395-99-2 https://www.jk-sci.com/products/s57c4x-17834 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406997_4da0abcb-cda8-44a9-a55e-c0e2deebc217.png?v=1791713919 Zidovudine EP Impurity D, 99.60% | 76-84-6 Zidovudine EP Impurity D|C4X-17834|76-84-6 https://www.jk-sci.com/products/ts246cs-0060743 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5538814892cb0233bfd3720854f77b58.jpg?v=1791676305 7-Bromo-2,3-dichloropyrido[2,3-b]pyrazine, 99.25%+ | 341939-31-9 7-Bromo-2,3-dichloropyrido[2,3-b]pyrazine|CS-0060743|341939-31-9 https://www.jk-sci.com/products/s57c4x-17855 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264645_cbfc4c89-ea20-4c36-8a9a-94f76d0091b4.png?v=1791713914 Zonisamide Impurity 5, 99.60% | 4865-84-3 Zonisamide Impurity 5|C4X-17855|4865-84-3 https://www.jk-sci.com/products/s57c4x-17887 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc9463e4-f536-4241-9fad-7ddd16587b62.png?v=1791713909 Loperamide EP Impurity G HCl, 93.30% Loperamide EP Impurity G HCl|C4X-17887 https://www.jk-sci.com/products/ts246cs-0060971 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48ceb9c6a1f4e53b4e904cf268d9db81.jpg?v=1793049372 2-(tert-Butylthio)aniline, 97.00%+ | 51942-41-7 2-(tert-Butylthio)aniline|CS-0060971|51942-41-7 https://www.jk-sci.com/products/ts246cs-0061131 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d6f8acb6bb7a3065c883fe241745f48.jpg?v=1791676017 3-Bromo-6-chloro-2-methylimidazo[1,2-b]pyridazine, 98% | 18112-31-7 3-Bromo-6-chloro-2-methylimidazo[1,2-b]pyridazine|CS-0061131|18112-31-7 https://www.jk-sci.com/products/s57c4x-179218 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573493_f689d778-a14f-4b78-81d7-efa489817b39.png?v=1791713878 Indobufen Impurity 18, 98.80% | 90-27-7 Indobufen Impurity 18|C4X-179218|90-27-7 https://www.jk-sci.com/products/s57c4x-17945 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159262_e3b712b3-9df4-46bd-8867-5290bdb87985.png?v=1791713816 Fexofenadine EP Impurity E, 99.60% | 115-46-8 Fexofenadine EP Impurity E|C4X-17945|115-46-8 https://www.jk-sci.com/products/ts246cs-0061247 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6019d35defb1a16c25d7464fad3eff1.jpg?v=1791675924 4-Fluoro-5-methyl-2-nitrophenol, 99.89%+ | 182880-62-2 4-Fluoro-5-methyl-2-nitrophenol|CS-0061247|182880-62-2 https://www.jk-sci.com/products/ts246cs-0061196 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fafe40ceb373325a4f1389ebf4d3f1b.jpg?v=1791675962 1,5-Dimethylpyrazol-4-amine, 95% | 121983-36-6 1,5-Dimethylpyrazol-4-amine|CS-0061196|121983-36-6 https://www.jk-sci.com/products/ts246cs-0061274 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6492af8ee09cafab6673aea255f968aa.jpg?v=1791675898 2,6-Dichloro-4-methylpyridin-3-amine, 96% | 129432-25-3 2,6-Dichloro-4-methylpyridin-3-amine|CS-0061274|129432-25-3 https://www.jk-sci.com/products/s57c4x-179212 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a4abf6e5-a662-4148-b45e-649e902c145f.png?v=1791713886 Indobufen Impurity 12, 96.30% Indobufen Impurity 12|C4X-179212 https://www.jk-sci.com/products/s57c4x-17902 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f860f2cbf72a5a31bc2f33e5ba85d2ca.jpg?v=1791713899 Vecuronium Bromide EP Impurity B, 96.30% | 15500-66-0 Vecuronium Bromide EP Impurity B|C4X-17902|15500-66-0 https://www.jk-sci.com/products/ts246cs-0061036 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/544135_2274bba9-c776-4e00-863c-f6e192678ce2.png?v=1791676091 (3-(Diisopropylcarbamoyl)phenyl)boronic acid, 95.00%+ | 850567-40-7 (3-(Diisopropylcarbamoyl)phenyl)boronic acid|CS-0061036|850567-40-7 https://www.jk-sci.com/products/ts246cs-0061083 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d49aa50be29696c3522427ed3cb2b28.jpg?v=1791676064 (Sa,S)-Xyl-Bn-SIPHOX, 97% | 913829-90-0 (Sa,S)-Xyl-Bn-SIPHOX|CS-0061083|913829-90-0 https://www.jk-sci.com/products/s57c4x-17943 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0567433bc4c09309661fb69888b2f0.jpg?v=1791713820 Fexofenadine EP Impurity C, 99.00% | 185066-37-9 Fexofenadine EP Impurity C|C4X-17943|185066-37-9 https://www.jk-sci.com/products/s57c4x-179338 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f5c9c44-a04d-4b20-8691-3160630325d3.png?v=1791713835 Ceftizoxime Dimer Impurity 38, 91.40% Ceftizoxime Dimer Impurity 38|C4X-179338 https://www.jk-sci.com/products/s57c4x-17938 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/919a489195587fb58fcebf6e6d77b7ad.jpg?v=1791713830 Ceftizoxime Impurity 8, 93.60% | 33477-97-3 Ceftizoxime Impurity 8|C4X-17938|33477-97-3 https://www.jk-sci.com/products/ts246cs-0061342 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b62b9b3b6dffd71bb9fef0d3d9e7007.jpg?v=1791675852 6-Methylbenzo[d]thiazole-2-thiol, 97% | 2268-79-3 6-Methylbenzo[d]thiazole-2-thiol|CS-0061342|2268-79-3 https://www.jk-sci.com/products/ts246cs-0061354 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edcf02618a18e8da99a2c6bad2953a72.jpg?v=1791675843 1,4-dimethyl-1H-1,2,3-triazole, 98% | 60166-43-0 1,4-dimethyl-1H-1,2,3-triazole|CS-0061354|60166-43-0 https://www.jk-sci.com/products/s57c4x-17907 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebc6847f2eee07f3be655748ceeb6f0e.jpg?v=1791713894 Vecuronium Bromide EP Impurity D, 93.30% | 73319-30-9 Vecuronium Bromide EP Impurity D|C4X-17907|73319-30-9 https://www.jk-sci.com/products/s57c4x-179231 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_484f31ed-9342-41c4-9e37-b83f5f1e4ea7.png?v=1791713868 Indobufen Impurity 31, Purity: 99.0% Indobufen Impurity 31|C4X-179231 https://www.jk-sci.com/products/s57c4x-179266 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_83a62cc5-7fa0-497c-b0f5-81c8c3992eff.png?v=1791713858 Indobufen Impurity 66, Purity: 97.5% Indobufen Impurity 66|C4X-179266 https://www.jk-sci.com/products/s57c4x-17932 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0882bb79879200c5cdeebb357d0e39d.jpg?v=1791713841 (Z)-Ceftizoxime Impurity 2, 85.70% | 2630907-20-7 (Z)-Ceftizoxime Impurity 2|C4X-17932|2630907-20-7 https://www.jk-sci.com/products/s57c4x-17931 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dfe300ee54172915c81fd57605c3ba0.jpg?v=1791713849 (E)-Ceftizoxime Impurity 1, 90.60% | 68403-31-6 (E)-Ceftizoxime Impurity 1|C4X-17931|68403-31-6 https://www.jk-sci.com/products/s57c4x-179255 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371968_83536758-2443-4cca-8d1a-f9343c070fea.png?v=1791713864 Indobufen Impurity 55, Purity: 98.8% | 1011-17-2 Indobufen Impurity 55|C4X-179255|1011-17-2 https://www.jk-sci.com/products/ts246cs-0061381 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/816950.png?v=1791675818 (2-Methyl-1,3-oxazol-4-yl)methanol, 99.03%+ | 141567-53-5 (2-Methyl-1,3-oxazol-4-yl)methanol|CS-0061381|141567-53-5 https://www.jk-sci.com/products/s57c4x-179610 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476071.png?v=1791713811 2-Methoxyethyl 2-(3-Nitrobenzylidene)acetoacetate, 95.10% | 39562-22-6 2-Methoxyethyl 2-(3-Nitrobenzylidene)acetoacetate|C4X-179610|39562-22-6 https://www.jk-sci.com/products/s57c4x-179619 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464369.png?v=1791713810 Triethyl Aconitate, 95.30% | 5349-99-5 Triethyl Aconitate|C4X-179619|5349-99-5 https://www.jk-sci.com/products/ts246cs-0061407 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/451591.png?v=1791675798 3,4-Dimethyl-1H-1,2,4-triazole-5-thione, 96% | 38942-50-6 3,4-Dimethyl-1H-1,2,4-triazole-5-thione|CS-0061407|38942-50-6 https://www.jk-sci.com/products/s57c4x-179717 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a984c81a-5959-4918-b95e-ed43f84832b5.png?v=1791713794 Tenofovir alafenamide Impurity 17, Purity: 96.0% Tenofovir alafenamide Impurity 17|C4X-179717 https://www.jk-sci.com/products/s57c4x-17966 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9e3dfe600562aea27313d152e0795a0.jpg?v=1791713805 Cilnidipine Impurity 6, 96.80% | 146845-34-3 Cilnidipine Impurity 6|C4X-17966|146845-34-3 https://www.jk-sci.com/products/s57c4x-1797 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386d7f75f925b4088c272b4f3cbfb2a6.jpg?v=1791713800 Tenofovir Alafenamide Hemifumarate, 99.70% | 1392275-56-7 Tenofovir Alafenamide Hemifumarate|C4X-1797|1392275-56-7 https://www.jk-sci.com/products/s57c4x-179713 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c86b2796-f99f-4463-ae09-3f9df6de89db.png?v=1791713800 Tenofovir alafenamide Impurity 13, 93.10% Tenofovir alafenamide Impurity 13|C4X-179713 https://www.jk-sci.com/products/s57c4x-17972 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4955973fb59f8a2b8f31aecbfb8df9b.jpg?v=1791713791 Tenofovir Alafenamide Impurity 2, 96.80% | 1883563-86-7 Tenofovir Alafenamide Impurity 2|C4X-17972|1883563-86-7 https://www.jk-sci.com/products/s57c4x-18033 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbe399d282dedbacb2e64b08297ff7cf.jpg?v=1791713733 Trimetazidine EP Impurity B, 99.80% | 1257-19-8 Trimetazidine EP Impurity B|C4X-18033|1257-19-8 https://www.jk-sci.com/products/s57c4x-17973 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95fe74582ff7d1601cb285164695cb6e.jpg?v=1791713787 Tenofovir Alafenamide Impurity 3, 99.10% | 1422343-76-7 Tenofovir Alafenamide Impurity 3|C4X-17973|1422343-76-7 https://www.jk-sci.com/products/s57c4x-179757 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5c21952311e8498a27b75b3b54811f1.jpg?v=1791713786 Tenofovir alafenamide, 99.10% | 379270-37-8 Tenofovir alafenamide|C4X-179757|379270-37-8 https://www.jk-sci.com/products/s57c4x-179760 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5226965b-f970-497a-bff3-1bacf5c95a3c.png?v=1791713781 Tenofovir alafenamide Impurity 60, 94.40% Tenofovir alafenamide Impurity 60|C4X-179760 https://www.jk-sci.com/products/s57c4x-18031 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2077a2b3-10f6-495a-b38c-01cb301e8654.png?v=1791713751 Trimetazidine Impurity 1, Purity: 93.5% Trimetazidine Impurity 1|C4X-18031 https://www.jk-sci.com/products/s57c4x-17979 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7bb8e950-32a3-4452-aab8-0040663e1449.png?v=1791713776 Tenofovir alafenamide Impurity 9, 91.90% Tenofovir alafenamide Impurity 9|C4X-17979 https://www.jk-sci.com/products/s57c4x-18022 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7c33373b425c5e8d3116a169b6e7a62_7b7b053a-c0f1-4e2e-959b-50be837c1887.jpg?v=1791713771 Miconazole EP Impurity B, 99.20% | 24169-02-6 Miconazole EP Impurity B|C4X-18022|24169-02-6 https://www.jk-sci.com/products/s57c4x-180226 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c9847ca72a50500eddc4b8be4f8015c.jpg?v=1791713772 Miconazole EP Impurity F, 96.30% | 27220-35-5 Miconazole EP Impurity F|C4X-180226|27220-35-5 https://www.jk-sci.com/products/ts246cs-0061469 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33c017f240cec0159bb58ef81ed4ce13.jpg?v=1791675768 tert-Butyl 3-ethyl-4-oxopiperidine-1-carboxylate, 96.23%+ | 117565-57-8 tert-Butyl 3-ethyl-4-oxopiperidine-1-carboxylate|CS-0061469|117565-57-8 https://www.jk-sci.com/products/s57c4x-18027 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa23d5346fa3b40a9ad93a4ebb9ba023.jpg?v=1791713761 Miconazole EP Impurity H, 94.10% | 181931-30-6 Miconazole EP Impurity H|C4X-18027|181931-30-6 https://www.jk-sci.com/products/s57c4x-180313 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c989a8139d6b0ee1fef0068915806e54.jpg?v=1791713742 Trimetazidine Impurity 13, Purity: 99.5% | 92700-82-8 Trimetazidine Impurity 13|C4X-180313|92700-82-8 https://www.jk-sci.com/products/s57c4x-180319 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/307864_7a575d5e-81f1-42af-887b-5b639e20dd4e.png?v=1791713743 Trimetazidine Impurity 19, 97.70% | 2103-57-3 Trimetazidine Impurity 19|C4X-180319|2103-57-3 https://www.jk-sci.com/products/s57c4x-18023 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09e4242102f0fd73e5b1caac94f901ac.jpg?v=1791713766 Miconazole EP Impurity C, 94.80% | 67358-54-7 Miconazole EP Impurity C|C4X-18023|67358-54-7 https://www.jk-sci.com/products/s57c4x-1805 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3fd51bf9eba0139d9e4a12f14c000a4.jpg?v=1791713731 Fidaxomicin, 98.40% | 873857-62-6 Fidaxomicin|C4X-1805|873857-62-6 https://www.jk-sci.com/products/ts246cs-0061510 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3691d674e7a41d03077c516ce8249ecc.jpg?v=1791675742 7-(Diethylamino)-2-oxochromene-3-carbonitrile, 97% | 51473-74-6 7-(Diethylamino)-2-oxochromene-3-carbonitrile|CS-0061510|51473-74-6 https://www.jk-sci.com/products/s57c4x-180910 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e47b55fdc9faf39c245227c7c037f21b.jpg?v=1791713727 Adapalene Impurity 10, Purity: 99.8% | 161912-38-5 Adapalene Impurity 10|C4X-180910|161912-38-5 https://www.jk-sci.com/products/s57c4x-18096 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437439817017881eb7822aa78744284e.jpg?v=1791713717 Adapalene EP Impurity C, 98.20% | 43109-77-9 Adapalene EP Impurity C|C4X-18096|43109-77-9 https://www.jk-sci.com/products/s57c4x-18092 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0818663530c71c0dfc9228e7bf51e16.jpg?v=1791713723 Adapalene EP Impurity B, 98.90% | 1346599-76-5 Adapalene EP Impurity B|C4X-18092|1346599-76-5 https://www.jk-sci.com/products/s57c4x-18094 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525076_4ed3ba62-2027-4ac1-8234-54dffff969cc.png?v=1791713722 Adapalene Impurity 4, 99.20% | 33626-98-1 Adapalene Impurity 4|C4X-18094|33626-98-1 https://www.jk-sci.com/products/s57c4x-1810 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1996a0deeb29c007d48f46ff911e6db7_11a5d858-8b5b-4c0c-af15-bc957200f570.jpg?v=1791713711 Procaterol Hydrochloride Hemihydrate, 96.00% | 81262-93-3 Procaterol Hydrochloride Hemihydrate|C4X-1810|81262-93-3 https://www.jk-sci.com/products/s57c4x-181023 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5bd3ec08-8a8c-4568-8787-729722e0fd9b.png?v=1791713701 Procaterol Impurity 23, 96.20% Procaterol Impurity 23|C4X-181023 https://www.jk-sci.com/products/s57c4x-181126 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341578.png?v=1791713682 Pranoprofen Impurity 26, 91.00% | 86618-09-9 Pranoprofen Impurity 26|C4X-181126|86618-09-9 https://www.jk-sci.com/products/s57c4x-181042 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dcfc5811e394421c1ce8ad1891cca91.jpg?v=1791713691 Procaterol impurity 42, 96.00% | 62910-96-7 Procaterol impurity 42|C4X-181042|62910-96-7 https://www.jk-sci.com/products/s57c4x-18104 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b74b1f1aab4905292bf9a8a1c8980eb.jpg?v=1791713696 Procaterol Impurity 4, 92.00% | 63235-39-2 Procaterol Impurity 4|C4X-18104|63235-39-2 https://www.jk-sci.com/products/s57c4x-181118 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d881354-7ef0-487e-8ddf-a41e6c8f02f6.png?v=1791713686 Pranoprofen Impurity 18, 99.50% Pranoprofen Impurity 18|C4X-181118 https://www.jk-sci.com/products/s57c4x-181011 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326970_7b41b9df-ce0a-4209-aabb-cb4391bccffa.png?v=1791713701 Procaterol Impurity 11, Purity: 99.8% | 103-01-5 Procaterol Impurity 11|C4X-181011|103-01-5 https://www.jk-sci.com/products/s57c4x-181134 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d44ab55-c9ea-4835-bd08-5d345faf903f.png?v=1791713677 Pranoprofen Impurity 34, 95.70% Pranoprofen Impurity 34|C4X-181134 https://www.jk-sci.com/products/s57c4x-181142 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e3f768cf-8c4a-478b-9158-93321d417c8a.png?v=1791713677 Pranoprofen Impurity 42, Purity: 98.9% Pranoprofen Impurity 42|C4X-181142 https://www.jk-sci.com/products/ts246cs-0061548 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299178.png?v=1791675716 Ethyl 3-methyl-1-benzofuran-2-carboxylate, 98% | 22367-82-4 Ethyl 3-methyl-1-benzofuran-2-carboxylate|CS-0061548|22367-82-4 https://www.jk-sci.com/products/s57c4x-181159 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f7d752d8-d37b-40ff-9e6d-2c6ba48404ba.png?v=1791713667 Pranoprofen Impurity 59, 97.10% Pranoprofen Impurity 59|C4X-181159 https://www.jk-sci.com/products/s57c4x-18115 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcb1a1ca15e72ae45c24594882b06b98.jpg?v=1791713670 Pranoprofen Impurity 5, 90.20% | 145986-74-9 Pranoprofen Impurity 5|C4X-18115|145986-74-9 https://www.jk-sci.com/products/s57c4x-181121 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4bda928-7ea2-4d7b-9a4e-cba03d62fc01.png?v=1791713686 Pranoprofen Impurity 21, 88.30% Pranoprofen Impurity 21|C4X-181121 https://www.jk-sci.com/products/s57c4x-181210 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a525d918-e8a7-42e8-a78d-01235a570523.png?v=1791713659 Suvorexant Impurity 10, 96.00% Suvorexant Impurity 10|C4X-181210 https://www.jk-sci.com/products/s57c4x-18122 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b47b6e3a1b5d784918b9ad35e2958148.jpg?v=1791713655 Suvorexant Impurity 2, Purity: 100.0% | 1276666-19-3 Suvorexant Impurity 2|C4X-18122|1276666-19-3 https://www.jk-sci.com/products/s57c4x-181160 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a25cfe2b2f5df1f37b3636f800d53de.jpg?v=1791713664 Pranoprofen Impurity 60, 98.60% | 111541-71-0 Pranoprofen Impurity 60|C4X-181160|111541-71-0 https://www.jk-sci.com/products/s57c4x-18131 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159270_ca305bac-37a6-4703-b6a7-ab9c05fdc4dd.png?v=1791713650 Butylphthalide Impurity 1, 99.60% | 119-67-5 Butylphthalide Impurity 1|C4X-18131|119-67-5 https://www.jk-sci.com/products/s57c4x-181314 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdea9601015924bdcb77e8428a5295f9.jpg?v=1791713645 Butylphthalide Impurity 14, 99.40% | 61658-90-0 Butylphthalide Impurity 14|C4X-181314|61658-90-0 https://www.jk-sci.com/products/ts246cs-0061594 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49617f970eae85d16db51fbff24a10c3.jpg?v=1791675684 Ethyl imidazo[1,2-a]pyrimidine-6-carboxylate, 97% | 944906-58-5 Ethyl imidazo[1,2-a]pyrimidine-6-carboxylate|CS-0061594|944906-58-5 https://www.jk-sci.com/products/s57c4x-181318 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63f5f2bc-ad88-42f3-90bb-77d92ab2d675.png?v=1791713644 Butylphthalide Impurity 18, 95.00% Butylphthalide Impurity 18|C4X-181318 https://www.jk-sci.com/products/ts246cs-0061632 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ad43fb0dbf94266d760608fc6254fdf.jpg?v=1791675668 Ethyl 6-fluoro-3-iodopyridin-2-ylcarbamate, 97% | 1001070-26-3 Ethyl 6-fluoro-3-iodopyridin-2-ylcarbamate|CS-0061632|1001070-26-3 https://www.jk-sci.com/products/s57c4x-18132 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1d57568f947b9de77e6e8ade9a2cd10.jpg?v=1791713635 Butylphthalide Impurity 2, 87.00% | 551-08-6 Butylphthalide Impurity 2|C4X-18132|551-08-6 https://www.jk-sci.com/products/s57c4x-18133 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479140.png?v=1791713633 Butylphthalide Impurity 3, 99.10% | 550-37-8 Butylphthalide Impurity 3|C4X-18133|550-37-8 https://www.jk-sci.com/products/s57c4x-18135 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5983310795781b64fc5068c81659db2d_0b746770-f7c3-4fa5-9df3-7fcf89389e06.jpg?v=1791713625 Butylphthalide Impurity 5, 90.20% | 612-20-4 Butylphthalide Impurity 5|C4X-18135|612-20-4 https://www.jk-sci.com/products/ts246cs-0061692 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edb6adffb265d064d05a45a4df73466a.jpg?v=1791675637 6-Chloro-N,N-diisopropylnicotinamide, 98.00%+ | 905273-87-2 6-Chloro-N,N-diisopropylnicotinamide|CS-0061692|905273-87-2 https://www.jk-sci.com/products/s57c4x-181357 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73a7d2815825b086e6df49d5d9df0ef6.jpg?v=1791713618 Butylphthalide Impurity 57, Purity: 99.2% | 2997796-75-3 Butylphthalide Impurity 57|C4X-181357|2997796-75-3 https://www.jk-sci.com/products/s57c4x-181338 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70607c1c36b7d4a79fb9c812fc7bccf6.jpg?v=1791713629 Butylphthalide Impurity 38, 99.10% | 162050-43-3 Butylphthalide Impurity 38|C4X-181338|162050-43-3 https://www.jk-sci.com/products/s57c4x-181360 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ca802e39c9f4c880b56a2c2340a4f45.jpg?v=1791713614 Butylphthalide Impurity 60, Purity: 94.1% | 1225206-60-9 Butylphthalide Impurity 60|C4X-181360|1225206-60-9 https://www.jk-sci.com/products/s57c4x-181355 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44f75caf7f05ed85a3bcaa377362f3c1.jpg?v=1791713624 Butylphthalide, 95.40% | 6066-49-5 Butylphthalide|C4X-181355|6066-49-5 https://www.jk-sci.com/products/s57c4x-181363 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fd8b402ba4d9462eb7db3858920cfd1.jpg?v=1791713614 Butylphthalide Impurity 63, 96.40% | 950681-35-3 Butylphthalide Impurity 63|C4X-181363|950681-35-3 https://www.jk-sci.com/products/s57c4x-18137 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a43b44c0cc08798b6e41f5488114529.jpg?v=1791713608 Butylphthalide Impurity 7, 97.70% | 122654-56-2 Butylphthalide Impurity 7|C4X-18137|122654-56-2 https://www.jk-sci.com/products/s57c4x-181376 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7be5b92b15ae1152814546fa56160595.jpg?v=1791713602 Butylphthalide Impurity 76, 96.20% | 90965-68-7 Butylphthalide Impurity 76|C4X-181376|90965-68-7 https://www.jk-sci.com/products/s57c4x-1814111 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a075d2c-99a7-4d7e-a094-23292c221c4b.png?v=1791713601 Nintedanib Impurity 111, 98.80% Nintedanib Impurity 111|C4X-1814111 https://www.jk-sci.com/products/s57c4x-181414 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01d4f37440653f8e4fb8e994c293f4c6.jpg?v=1791713597 Nintedanib Impurity 14, 91.40% | 1168150-46-6 Nintedanib Impurity 14|C4X-181414|1168150-46-6 https://www.jk-sci.com/products/s57c4x-181422 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371b1e44c8bffab546863b039850a600.jpg?v=1791713592 Nintedanib Impurity 22, 97.20% | 262368-30-9 Nintedanib Impurity 22|C4X-181422|262368-30-9 https://www.jk-sci.com/products/s57c4x-18142 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d9373b1e1e6b5bd93cfebc55eb7733b.jpg?v=1791713593 Nintedanib Impurity 2, 94.30% | 2410284-90-9 Nintedanib Impurity 2|C4X-18142|2410284-90-9 https://www.jk-sci.com/products/ts246cs-0061722 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cbe1af74cabd0b027ff9da4e0adf473.jpg?v=1791675626 4-(Methylamino)-2-(methylthio)-5-pyrimidinecarboxylic acid, 98% | 863028-98-2 4-(Methylamino)-2-(methylthio)-5-pyrimidinecarboxylic acid|CS-0061722|863028-98-2 https://www.jk-sci.com/products/s57c4x-181434 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575525_1b81273d-3984-4082-bbc0-953195387477.png?v=1791713589 Nintedanib Impurity 34, 99.00% | 334952-09-9 Nintedanib Impurity 34|C4X-181434|334952-09-9 https://www.jk-sci.com/products/s57c4x-181442 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151258_345ee2cb-373c-4a05-bd81-fd1f8cf87b59.png?v=1791713583 Nintedanib Impurity 42, 90.60% | 2186-92-7 Nintedanib Impurity 42|C4X-181442|2186-92-7 https://www.jk-sci.com/products/s57c4x-18147 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc4036b7dc26bdace6a7ccafb08a7a16.jpg?v=1791713574 Nintedanib Impurity 7, 99.30% | 2653-16-9 Nintedanib Impurity 7|C4X-18147|2653-16-9 https://www.jk-sci.com/products/s57c4x-181459 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313627.png?v=1791713583 Nintedanib Impurity 59, 98.70% | 350-46-9 Nintedanib Impurity 59|C4X-181459|350-46-9 https://www.jk-sci.com/products/s57c4x-181472 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529279.png?v=1791713568 Nintedanib Impurity 72, 97.40% | 14192-26-8 Nintedanib Impurity 72|C4X-181472|14192-26-8 https://www.jk-sci.com/products/s57c4x-181460 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100281.png?v=1791713578 Methyl Ethanesulfonate, 99.60% | 1912-28-3 Methyl Ethanesulfonate|C4X-181460|1912-28-3 https://www.jk-sci.com/products/s57c4x-181475 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436e9119a24663d4c977f6a565f41895.jpg?v=1791713561 Nintedanib Impurity 75, 99.10% | 1253768-91-0 Nintedanib Impurity 75|C4X-181475|1253768-91-0 https://www.jk-sci.com/products/s57c4x-18172 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259477_b3727d64-bbbe-4292-9417-d712bfd33e64.png?v=1791713556 Glycopyrronium Bromide EP Impurity D, 97.40% | 65-85-0 Glycopyrronium Bromide EP Impurity D|C4X-18172|65-85-0 https://www.jk-sci.com/products/s57c4x-1818 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/497409.png?v=1791713549 Lobeline HCl, 98.70% | 134-63-4 Lobeline HCl|C4X-1818|134-63-4 https://www.jk-sci.com/products/s57c4x-1817 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7774de2face34fc95ddf197ffcf1925.jpg?v=1791713557 Glycopyrronium bromide, Purity: 99.8% | 51186-83-5 Glycopyrronium bromide|C4X-1817|51186-83-5 https://www.jk-sci.com/products/ts246cs-0061742 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313612.png?v=1791675595 5-Iodo-1,3-dimethylpyrimidine-2,4-dione, 98% | 40738-83-8 5-Iodo-1,3-dimethylpyrimidine-2,4-dione|CS-0061742|40738-83-8 https://www.jk-sci.com/products/s57c4x-18197 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdff60bc5f033356db06b1cba5ebd609.jpg?v=1791713539 Riboflavin 3＇,4＇-Diphosphate, 83.60% | 86108-27-2 Riboflavin 3＇,4＇-Diphosphate|C4X-18197|86108-27-2 https://www.jk-sci.com/products/s57c4x-18194 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/095742fa2fb1ba09af18363043602267.jpg?v=1791713545 Riboflavin EP Impurity D, 95.30% | 52134-62-0 Riboflavin EP Impurity D|C4X-18194|52134-62-0 https://www.jk-sci.com/products/s57c4x-181912 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f130bd62f707f8ef50f238c858a6e52.jpg?v=1791713545 Riboflavin Impurity 12, 93.10% | 64480-68-8 Riboflavin Impurity 12|C4X-181912|64480-68-8 https://www.jk-sci.com/products/s57c4x-18201 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a42d4f545c2a1577a69f16ab7d42b320.jpg?v=1791713534 Iomeprol Impurity 1, 95.30% | 196309-10-1 Iomeprol Impurity 1|C4X-18201|196309-10-1 https://www.jk-sci.com/products/s57c4x-18202 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96cbfca4847cdc67bce9a4cb254a78e2.jpg?v=1791713534 Iomeprol Impurity 2, 98.40% | 104517-95-5 Iomeprol Impurity 2|C4X-18202|104517-95-5 https://www.jk-sci.com/products/s57c4x-18209 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6200cf7a-4afe-4ccf-bebd-1815ea2015f7.png?v=1791713524 Iomeprol Impurity 9, 80.00% Iomeprol Impurity 9|C4X-18209 https://www.jk-sci.com/products/s57c4x-18212 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbd33fe12b3ab9b4ddeb9201d28a24bd.jpg?v=1791713517 Polaprezinc Impurity 2, 86.70% | 17332-34-2 Polaprezinc Impurity 2|C4X-18212|17332-34-2 https://www.jk-sci.com/products/s57c4x-182110 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233595_93f3b0d3-2ac0-4f3a-91c6-76414273e940.png?v=1791713521 Polaprezinc Impurity 10, 98.90% | 3339-73-9 Polaprezinc Impurity 10|C4X-182110|3339-73-9 https://www.jk-sci.com/products/s57c4x-18204 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ee3ad8eb42afecf96ee8b811d3d49d8.jpg?v=1791713529 Iomeprol Impurity 4, 96.80% | 2068038-50-4 Iomeprol Impurity 4|C4X-18204|2068038-50-4 https://www.jk-sci.com/products/ts246cs-0061751 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57f284606330ee8727c47d34318a9fff.jpg?v=1791675585 1-Methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine, 98% | 1135437-92-1 1-Methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine|CS-0061751|1135437-92-1 https://www.jk-sci.com/products/s57c4x-16922 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b9480ed563c6f596d2d897b290a6fb5.jpg?v=1791714869 Mesna EP Impurity E, 98.90% | 1391054-56-0 Mesna EP Impurity E|C4X-16922|1391054-56-0 https://www.jk-sci.com/products/s57c4x-162710 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac916c579cd3d04483bd3864920cc8a3.jpg?v=1791715494 Efavirenz Impurity 10, 97.50% | 2125704-30-3 Efavirenz Impurity 10|C4X-162710|2125704-30-3 https://www.jk-sci.com/products/s57c4x-166951 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce70fc8d1f81550d92306ae91b3e5247.jpg?v=1791715134 Ketorolac Impurity 51, 99.60% | 111122-84-0 Ketorolac Impurity 51|C4X-166951|111122-84-0 https://www.jk-sci.com/products/s57c4x-17105 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3928f8c5827f3e45bad47dcfdb17f64d.jpg?v=1791714633 Nicardipine Impurity 5, 99.00% | 2469555-30-2 Nicardipine Impurity 5|C4X-17105|2469555-30-2 https://www.jk-sci.com/products/s57c4x-17009 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380784_44afea56-0667-433b-8b61-73ecfa18a79a.png?v=1791714741 Minoxidil Impurity 9, Purity: 100.0% | 74638-76-9 Minoxidil Impurity 9|C4X-17009|74638-76-9 https://www.jk-sci.com/products/s57c4x-1720186 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb32ef2a-423c-4375-8afe-da13b808bb51.png?v=1791714540 Oseltamivir Impurity 186, 93.10% Oseltamivir Impurity 186|C4X-1720186 https://www.jk-sci.com/products/s57c4x-171824 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113391_0266928c-db71-41c9-91aa-6fe1b98542c6.png?v=1791714604 Olopatadine Impurity 24, 98.40% | 3607-17-8 Olopatadine Impurity 24|C4X-171824|3607-17-8 https://www.jk-sci.com/products/s57c4x-172084 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586004_d1f5dded-5d55-4c44-9572-714a8bcec53b.png?v=1791714487 Oseltamivir, 99.30% | 196618-13-0 Oseltamivir|C4X-172084|196618-13-0 https://www.jk-sci.com/products/s57c4x-172477 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0d8843be-5def-4007-90bd-8b75e4433672.png?v=1791714419 Paliperidone Impurity 77, 94.30% Paliperidone Impurity 77|C4X-172477 https://www.jk-sci.com/products/s57c4x-17267 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/812802_d8966a63-e2b6-4198-abf5-3b9df27eee17.png?v=1791714374 Pemetrexed Impurity 7, 94.70% | 137281-39-1 Pemetrexed Impurity 7|C4X-17267|137281-39-1 https://www.jk-sci.com/products/ts246cs-0061759 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6f3b1e9ddb85f3972d441dbbc2713c3.jpg?v=1791675580 1-Methyl-1H-pyrazolo[4,3-b]pyridin-7-ol, 95% | 1057670-31-1 1-Methyl-1H-pyrazolo[4,3-b]pyridin-7-ol|CS-0061759|1057670-31-1 https://www.jk-sci.com/products/s57c4x-17303 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/931ac2e915baf36ac5d7d2483d9a59a2.jpg?v=1791714343 Perphenazine EP Impurity B, Purity: 99.1% | 3533-97-9 Perphenazine EP Impurity B|C4X-17303|3533-97-9 https://www.jk-sci.com/products/s57c4x-173254 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277570_bfcfcb7b-deaf-4fcc-838c-cd80d1456079.png?v=1791714308 Piperacillin Sodium Salt, 78.90% | 59703-84-3 Piperacillin Sodium Salt|C4X-173254|59703-84-3 https://www.jk-sci.com/products/s57c4x-173715 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0291a09ab22d3aa04a8b50ef5e78246f.jpg?v=1791714278 Prednisolone Acetate EP Impurity C, Purity: 98.9% | 98523-85-4 Prednisolone Acetate EP Impurity C|C4X-173715|98523-85-4 https://www.jk-sci.com/products/s57c4x-174426 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49d95f9a930157eff5d1a3e83698c339.jpg?v=1791714239 Ramipril EP Impurity C, 95.80% | 99742-35-5 Ramipril EP Impurity C|C4X-174426|99742-35-5 https://www.jk-sci.com/products/s57c4x-17526 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e70118f0-1b78-44e1-a40e-50bccb238a7b.png?v=1791714172 Rizatriptan EP Impurity D, 96.40% Rizatriptan EP Impurity D|C4X-17526 https://www.jk-sci.com/products/s57c4x-175115 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8c8bd49be2adf4024a0d4d5320950b2.jpg?v=1791714206 Ritonavir EP Impurity B, 97.40% | 765875-58-9 Ritonavir EP Impurity B|C4X-175115|765875-58-9 https://www.jk-sci.com/products/s57c4x-17564 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac90c319d3e47d368aee5c08686efa2a.jpg?v=1791714148 Sulbactam EP Impurity D, 86.40% | 26631-90-3 Sulbactam EP Impurity D|C4X-17564|26631-90-3 https://www.jk-sci.com/products/s57c4x-17682 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794994_12eab45b-ee07-4540-98aa-2ede4bb3a0a4.png?v=1791714092 Topiramate Impurity 2, 99.00% | 106881-41-8 Topiramate Impurity 2|C4X-17682|106881-41-8 https://www.jk-sci.com/products/ts246cs-0059226 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318168.png?v=1791677254 N-(1-Oxo-2,3-dihydro-1H-inden-5-yl)acetamide, 97% | 58161-35-6 N-(1-Oxo-2,3-dihydro-1H-inden-5-yl)acetamide|CS-0059226|58161-35-6 https://www.jk-sci.com/products/s57c4x-17608 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3deb187202d8e93e60609e8dc64b27df.jpg?v=1791714121 Teneligliptin (2R,4S)-Isomer, 90.70% | 2448150-93-2 Teneligliptin (2R,4S)-Isomer|C4X-17608|2448150-93-2 https://www.jk-sci.com/products/s57c4x-17711 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f507cc0b31e6d6a91ac84fccd17c9f1.jpg?v=1791714076 Tranexamic Acid EP Impurity A, 90.40% | 93940-19-3 Tranexamic Acid EP Impurity A|C4X-17711|93940-19-3 https://www.jk-sci.com/products/s57c4x-17718 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12181df326f2c9092055437888fa5c0a.jpg?v=1791714061 Tranexamic Acid EP Impurity F, 98.60% | 1599413-49-6 Tranexamic Acid EP Impurity F|C4X-17718|1599413-49-6 https://www.jk-sci.com/products/ts246cs-0060507 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464341_373ac133-e328-4421-a3c1-0c77a355b578.png?v=1791676483 4-Phenylpyridin-3-amine, 97% | 146140-99-0 4-Phenylpyridin-3-amine|CS-0060507|146140-99-0 https://www.jk-sci.com/products/s57c4x-177223 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc0530236ee2704c9cce58eaa6a4109c.jpg?v=1791714045 Trazodone USP Related compound D, 97.80% | 1263278-80-3 Trazodone USP Related compound D|C4X-177223|1263278-80-3 https://www.jk-sci.com/products/s57c4x-177269 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6207ac36-7d57-4b39-96a1-950894e017a4.png?v=1791714017 Trazodone Impurity 69, Purity: 98.8% Trazodone Impurity 69|C4X-177269 https://www.jk-sci.com/products/ts246cs-0060849 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06658c35335a4f15d1a56c4f80733843.jpg?v=1791676239 1-(3-Bromo-5-fluorophenyl)ethan-1-one, 98% | 105515-20-6 1-(3-Bromo-5-fluorophenyl)ethan-1-one|CS-0060849|105515-20-6 https://www.jk-sci.com/products/s57c4x-177428 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_61ef62f5-7c8b-4c55-b590-c7801d8e05d3.png?v=1791714003 Valganciclovir EP Impurity P, 97.60% Valganciclovir EP Impurity P|C4X-177428 https://www.jk-sci.com/products/s57c4x-177519 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e96aaf4-d318-4a67-b4ef-b298a279f4cb.png?v=1791713989 Vancomycin EP Impurity A, 96.00% Vancomycin EP Impurity A|C4X-177519 https://www.jk-sci.com/products/s57c4x-177236 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_51a92d7a-2359-4d85-8099-df753de7db71.png?v=1791714033 Trazodone Impurity 36, 97.70% Trazodone Impurity 36|C4X-177236 https://www.jk-sci.com/products/ts246cs-0061062 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d31f6e9b89237fc7ce5843a2ba62ab74.jpg?v=1791676074 4,4'-((2-Methyl-2-((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine, 98% | 1228960-86-8 4,4'-((2-Methyl-2-((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine|CS-0061062|1228960-86-8 https://www.jk-sci.com/products/s57c4x-1778 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107868_ae152327-948d-4727-88ea-fd13cd708b04.png?v=1791713979 Verapamil Hydrochloride, 99.80% | 152-11-4 Verapamil Hydrochloride|C4X-1778|152-11-4 https://www.jk-sci.com/products/ts246cs-0061172 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/429834_4a5ee6da-d157-4c83-acf8-9cba8b82713f.png?v=1791675986 4-Methylbenzene-1,3-dicarboxylic acid, 97% | 3347-99-7 4-Methylbenzene-1,3-dicarboxylic acid|CS-0061172|3347-99-7 https://www.jk-sci.com/products/s57c4x-177831 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258832_a6b5beaf-b004-4499-a74f-b28730ff69c4.png?v=1791713963 Verapamil EP Impurity J, 98.00% | 67018-85-3 Verapamil EP Impurity J|C4X-177831|67018-85-3 https://www.jk-sci.com/products/s57c4x-177924 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/391404_00dab88d-1c7b-434e-9098-ee014a4bcd35.png?v=1791713953 Ascorbic Acid EP Impurity E, 95.90% | 144-62-7 Ascorbic Acid EP Impurity E|C4X-177924|144-62-7 https://www.jk-sci.com/products/s57c4x-17821 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/776275211105aff2b5fee37cd71ec1f3.jpg?v=1791713933 Xylometazoline EP Impurity A, 99.10% | 94266-17-8 Xylometazoline EP Impurity A|C4X-17821|94266-17-8 https://www.jk-sci.com/products/s57c4x-178912 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330561_acfb2d62-f0a0-46e2-8592-1097c27188bf.png?v=1791713903 Doxylamine EP Impurity B, 99.10% | 19490-92-7 Doxylamine EP Impurity B|C4X-178912|19490-92-7 https://www.jk-sci.com/products/s57c4x-17853 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/729c7835bd74c1881929a1f701c881db.jpg?v=1791713918 Zonisamide Impurity 3, 100.00% | 1217201-89-2 Zonisamide Impurity 3|C4X-17853|1217201-89-2 https://www.jk-sci.com/products/s57c4x-179341 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_324fb354-8321-4b4d-aa24-5780c9d91e61.png?v=1791713830 Ceftizoxime Impurity 41, 92.20% Ceftizoxime Impurity 41|C4X-179341 https://www.jk-sci.com/products/s57c4x-179315 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616877_1c075801-baf3-4170-9f7c-2e9210bf77a3.png?v=1791713849 Ceftizoxime Impurity 15, Purity: 99.8% | 54639-48-4 Ceftizoxime Impurity 15|C4X-179315|54639-48-4 https://www.jk-sci.com/products/s57c4x-179210 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1949cb7461f0ac984bbf2a59a43bb799.jpg?v=1791713889 Indobufen Impurity 10, 99.50% | 94232-67-4 Indobufen Impurity 10|C4X-179210|94232-67-4 https://www.jk-sci.com/products/s57c4x-179228 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73bd0ea57d6137de8bee3565a75d47f6.jpg?v=1791713878 (R)-Indobufen, 93.80% | 131484-83-8 (R)-Indobufen|C4X-179228|131484-83-8 https://www.jk-sci.com/products/s57c4x-179258 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0dcdf64a2a2628b6d8a129f3bee00a3.jpg?v=1791713859 Indobufen Impurity 58, 99.80% | 91642-00-1 Indobufen Impurity 58|C4X-179258|91642-00-1 https://www.jk-sci.com/products/s57c4x-17947 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d80f05e76f2f9dcac999c3c1235f15f.jpg?v=1791713815 Fexofenadine EP Impurity G, 96.80% | 1187954-57-9 Fexofenadine EP Impurity G|C4X-17947|1187954-57-9 https://www.jk-sci.com/products/s57c4x-17965 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c88e87a5e6b8e60ecde4f891d505ab1.jpg?v=1791713806 Z-Cilnidipine Impurity 5, 97.40% | 146924-45-0 Z-Cilnidipine Impurity 5|C4X-17965|146924-45-0 https://www.jk-sci.com/products/s57c4x-17971 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48187eda414084bdd45ce9451dd4e789.jpg?v=1791713800 Tenofovir Alafenamide Impurity 1, 98.30% | 342631-41-8 Tenofovir Alafenamide Impurity 1|C4X-17971|342631-41-8 https://www.jk-sci.com/products/s57c4x-179718 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff6a0a8855e7f31e3d943ccecae39277_af02ea51-2caa-4a46-9a9a-cf791b9f8da3.jpg?v=1791713793 Tenofovir Alafenamide Impurity 18, 98.40% | 379270-35-6 Tenofovir Alafenamide Impurity 18|C4X-179718|379270-35-6 https://www.jk-sci.com/products/s57c4x-179750 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77df6fb4819637d08ed71db8b566e4c3.jpg?v=1791713786 Tenofovir Alafenamide Impurity 50, Purity: 98.9% | 1878175-77-9 Tenofovir Alafenamide Impurity 50|C4X-179750|1878175-77-9 https://www.jk-sci.com/products/s57c4x-179770 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b3a0ae7-3e2f-43d0-b91e-88408f28b159.png?v=1791713781 Tenofovir alafenamide impurity 70, Purity: 97.7% Tenofovir alafenamide impurity 70|C4X-179770 https://www.jk-sci.com/products/s57c4x-180225 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_576f706a-d22d-4f22-8c80-75aeaaa89e0f.png?v=1791713771 Miconazole Nitrate EP Impurity C HCl, 98.80% Miconazole Nitrate EP Impurity C HCl|C4X-180225 https://www.jk-sci.com/products/s57c4x-18024 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382407_b22bbd53-5213-4a9b-959d-7c3dabe5f374.png?v=1791713766 Miconazole EP Impurity D, 99.00% | 24168-96-5 Miconazole EP Impurity D|C4X-18024|24168-96-5 https://www.jk-sci.com/products/s57c4x-18099 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24a6dfbdd1b0e97a2b539fd7cced3b08.jpg?v=1791713717 Adapalene Impurity 9, Purity: 98.8% | 132292-17-2 Adapalene Impurity 9|C4X-18099|132292-17-2 https://www.jk-sci.com/products/s57c4x-180310 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfdc0d5f095ed27315184c59e25b99e4.jpg?v=1791713748 Trimetazidine Impurity 10 HCl, 97.30% | 879646-17-0 Trimetazidine Impurity 10 HCl|C4X-180310|879646-17-0 https://www.jk-sci.com/products/s57c4x-18093 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef0ebb461b287a5a09e2c4e926769675.jpg?v=1791713722 Adapalene EP Impurity D, 98.80% | 932033-57-3 Adapalene EP Impurity D|C4X-18093|932033-57-3 https://www.jk-sci.com/products/s57c4x-180320 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322396_b288a49c-d798-4e63-8649-b2074931a06d.png?v=1791713736 Trimetazidine Impurity 20, 100.00% | 573-11-5 Trimetazidine Impurity 20|C4X-180320|573-11-5 https://www.jk-sci.com/products/ts246cs-0061254 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a9beaadc1d6c8cf03af11440115340e.jpg?v=1791675913 6-Methyl-1H-pyrrolo[2,3-b]pyridin-4-amine, 96% | 1000340-60-2 6-Methyl-1H-pyrrolo[2,3-b]pyridin-4-amine|CS-0061254|1000340-60-2 https://www.jk-sci.com/products/s57c4x-18091 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1eeb287aa0606f488da26738ee828896.jpg?v=1791713728 Adapalene EP Impurity A, 99.30% | 932033-58-4 Adapalene EP Impurity A|C4X-18091|932033-58-4 https://www.jk-sci.com/products/s57c4x-181018 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1996a0deeb29c007d48f46ff911e6db7.jpg?v=1791713702 【提供游离态C4X-181048】Procaterol Impurities Hydrochloride Hydrate 8, 89.00% | 81262-93-3 【提供游离态C4X-181048】Procaterol Impurities Hydrochloride Hydrate 8|C4X-181018|81262-93-3 https://www.jk-sci.com/products/ts246cs-0061349 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111141_53b0b0ed-eba0-4b9b-97bb-fdf668c25138.png?v=1791675847 6-Methyl-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione, 95% | 4692-99-3 6-Methyl-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione|CS-0061349|4692-99-3 https://www.jk-sci.com/products/s57c4x-181041 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d51ce201580477849cc6242bdd37ab02.jpg?v=1791713696 Procaterol Impurities 41, 88.60% | 59828-07-8 Procaterol Impurities 41|C4X-181041|59828-07-8 https://www.jk-sci.com/products/s57c4x-18112 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43254445a3f3f28cf7bb202b7c65a561.jpg?v=1791713688 Pranoprofen Impurity 2, 98.80% | 52549-19-6 Pranoprofen Impurity 2|C4X-18112|52549-19-6 https://www.jk-sci.com/products/ts246cs-0061397 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/468766_02582f45-fd31-404a-baa0-00349bd2bea7.png?v=1791675803 3-Methylquinoxalin-2-amine, 97% | 34972-22-0 3-Methylquinoxalin-2-amine|CS-0061397|34972-22-0 https://www.jk-sci.com/products/s57c4x-181132 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c2f71380-6c87-4f68-b3df-558d26207cb5.png?v=1791713681 Pranoprofen Impurity 32, 99.50% Pranoprofen Impurity 32|C4X-181132 https://www.jk-sci.com/products/s57c4x-181149 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ce7ac87600f930c23b77523b8079fb7.jpg?v=1791713672 Pranoprofen Impurity 49, 97.80% | 1254691-84-3 Pranoprofen Impurity 49|C4X-181149|1254691-84-3 https://www.jk-sci.com/products/s57c4x-18116 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bf16e9bc0d0bbecb443abeb4bc7a3ee.jpg?v=1791713665 Pranoprofen Impurity 6, 97.90% | 143436-36-6 Pranoprofen Impurity 6|C4X-18116|143436-36-6 https://www.jk-sci.com/products/ts246cs-0061578 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d76346804900e661d59cd20aa9df11b4.jpg?v=1791675695 Ethyl 5-nitro-1H-pyrrole-2-carboxylate, 98% | 36131-46-1 Ethyl 5-nitro-1H-pyrrole-2-carboxylate|CS-0061578|36131-46-1 https://www.jk-sci.com/products/s57c4x-181213 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53037be688c87c97c9d6f2c57c78da67.jpg?v=1791713664 Suvorexant Impurity 13, 93.30% | 1149352-55-5 Suvorexant Impurity 13|C4X-181213|1149352-55-5 https://www.jk-sci.com/products/s57c4x-181311 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16285fa82e28d40e00881c92eb7bc275.jpg?v=1791713649 Butylphthalide Impurity 11, 96.20% | 111943-62-5 Butylphthalide Impurity 11|C4X-181311|111943-62-5 https://www.jk-sci.com/products/ts246cs-0061504 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/572035.png?v=1791675748 3,5-Dimethyl-1-propylpyrazole-4-carbaldehyde, 98% | 142246-47-7 3,5-Dimethyl-1-propylpyrazole-4-carbaldehyde|CS-0061504|142246-47-7 https://www.jk-sci.com/products/ts246cs-0061653 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428529_e5dd7776-4461-402e-814f-6cadf28b4e4b.png?v=1791675657 6-ethoxypyridin-2-amine, 95.00%+ | 768-42-3 6-ethoxypyridin-2-amine|CS-0061653|768-42-3 https://www.jk-sci.com/products/s57c4x-181319 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216538_149b5afd-2527-4e6e-accf-7744ccad1938.png?v=1791713640 Butylphthalide Impurity 19, 96.10% | 17369-59-4 Butylphthalide Impurity 19|C4X-181319|17369-59-4 https://www.jk-sci.com/products/s57c4x-181330 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6d43a9381e8297c5f258105b76feb41.jpg?v=1791713630 Butylphthalide Impurity 30, 92.50% | 17475-41-1 Butylphthalide Impurity 30|C4X-181330|17475-41-1 https://www.jk-sci.com/products/s57c4x-181354 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9acaac1ff979ceb8c6f4e7d4944a781b.jpg?v=1791713624 Butylphthalide Impurity 54, 96.40% | 72424-08-9 Butylphthalide Impurity 54|C4X-181354|72424-08-9 https://www.jk-sci.com/products/s57c4x-18136 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17d6d2d26eb5ef98773367f15a5dc769.jpg?v=1791713619 Butylphthalide Impurity 6, 90.10% | 162050-42-2 Butylphthalide Impurity 6|C4X-18136|162050-42-2 https://www.jk-sci.com/products/s57c4x-1814 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd1ac0013c98026e54842c9e74957443_99c63d6e-df74-468c-bf01-6a1b5119087b.jpg?v=1791713604 Nintedanib Esylate, 97.30% | 656247-18-6 Nintedanib Esylate|C4X-1814|656247-18-6 https://www.jk-sci.com/products/s57c4x-181369 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a84a657d40117ba52271bc9ce1907ba4.jpg?v=1791713609 Butylphthalide Impurity 69, Purity: 95.5% | 879627-88-0 Butylphthalide Impurity 69|C4X-181369|879627-88-0 https://www.jk-sci.com/products/s57c4x-181419 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_040e3faf-48ac-4be6-a930-e74e46c18d8a.png?v=1791713597 Nintedanib Impurity 19, 93.40% Nintedanib Impurity 19|C4X-181419 https://www.jk-sci.com/products/s57c4x-181449 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a0c8cc7958c2b3f1298535d6df9ea3e.jpg?v=1791713583 Nintedanib Impurity 49, 96.00% | 1168152-07-5 Nintedanib Impurity 49|C4X-181449|1168152-07-5 https://www.jk-sci.com/products/s57c4x-181469 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a8ac0ec94acafc38a6c2a3c2bf4e640.jpg?v=1791713573 Nintedanib Impurity 69, 96.10% | 2380229-45-6 Nintedanib Impurity 69|C4X-181469|2380229-45-6 https://www.jk-sci.com/products/ts246cs-0061737 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6bd45fef6c9b8392da02acc16fca4fa2.jpg?v=1791675600 methyl 4-(1-methyl-1H-pyrazol-5-yl)benzoate, 98% | 179057-12-6 methyl 4-(1-methyl-1H-pyrazol-5-yl)benzoate|CS-0061737|179057-12-6 https://www.jk-sci.com/products/s57c4x-18143 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df586d0d6059d7aea99bc46ee2901ebd.jpg?v=1791713589 Nintedanib Impurity 3, 99.30% | 2093243-16-2 Nintedanib Impurity 3|C4X-18143|2093243-16-2 https://www.jk-sci.com/products/s57c4x-181473 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615359_9f8e7bad-b138-4d8a-ba04-281b998d2876.png?v=1791713562 Nintedanib Impurity 73, Purity: 97.5% | 54699-92-2 Nintedanib Impurity 73|C4X-181473|54699-92-2 https://www.jk-sci.com/products/s57c4x-18196 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452257_a88f99d2-f0ee-452f-9d5a-f5c971d2db25.png?v=1791713539 Lumichrome, 94.50% | 1086-80-2 Lumichrome|C4X-18196|1086-80-2 https://www.jk-sci.com/products/s57c4x-18205 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a90b6c4-55be-47f5-af1e-da9fd597ddbb.png?v=1791713525 Iomeprol Impurity 5, 97.90% Iomeprol Impurity 5|C4X-18205 https://www.jk-sci.com/products/s57c4x-18221 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281e40a5a44c6ffd3595ff1cd8bf8483.jpg?v=1791713512 Leuprorelin EP Impurity A TFA, 90.30% | 62621-13-0 Leuprorelin EP Impurity A TFA|C4X-18221|62621-13-0 https://www.jk-sci.com/products/s57c4x-182010 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_539d5a9b-e100-4f82-9827-f931c8e05508.png?v=1791713533 Iomeprol Impurity 10, 98.50% Iomeprol Impurity 10|C4X-182010 https://www.jk-sci.com/products/s57c4x-182222 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_28c2a343-efb5-4c4d-9909-b6851c78bb3d.png?v=1791713507 Leuprorelin EP Impurity G Trifluoroacetic acid, 86.70% Leuprorelin EP Impurity G Trifluoroacetic acid|C4X-182222 https://www.jk-sci.com/products/s57c4x-18191 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557293_8d10b0cf-9c06-4b98-801d-3154ed54c565.png?v=1791713550 Riboflavin EP Impurity A, 94.80% | 1088-56-8 Riboflavin EP Impurity A|C4X-18191|1088-56-8 https://www.jk-sci.com/products/s57c4x-182111 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3b894a0d-6749-4c44-ba06-51c7de54252b.png?v=1791713520 S-Polaprezinc Impurity 11, 72.30% S-Polaprezinc Impurity 11|C4X-182111 https://www.jk-sci.com/products/s57c4x-18171 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133639_a5dc3b85-d265-4d89-a3c4-ff63d4bd2ccf.png?v=1791713556 Glycopyrronium Bromide EP Impurity B, 98.30% | 611-73-4 Glycopyrronium Bromide EP Impurity B|C4X-18171|611-73-4 https://www.jk-sci.com/products/s57c4x-18218 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9707276cafe697fdbc45b6843204fdb4.jpg?v=1791713516 S-Polaprezinc Impurity 8, 97.80% | 7389-97-1 S-Polaprezinc Impurity 8|C4X-18218|7389-97-1 https://www.jk-sci.com/products/ts246cs-0061754 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359852.png?v=1791675579 1-Methyl-4-nitro-1H-indole, 97% | 91482-63-2 1-Methyl-4-nitro-1H-indole|CS-0061754|91482-63-2 https://www.jk-sci.com/products/s57c4x-182224 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bdedbe62-cafe-4c07-9587-605247c4813d.png?v=1791713506 Leuprorelin EP Impurity I Trifluoroacetic acid, 92.30% Leuprorelin EP Impurity I Trifluoroacetic acid|C4X-182224 https://www.jk-sci.com/products/s57c4x-182229 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e48e96cd-46e6-4070-9591-bc460c4f732d.png?v=1791713497 Leuprorelin EP Impurity C Trifluoroacetic acid, 84.90% Leuprorelin EP Impurity C Trifluoroacetic acid|C4X-182229 https://www.jk-sci.com/products/ts246cs-0061786 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74852f47007e749bc72c118c4d162cf4.jpg?v=1791675545 N-Methylpyridazin-4-amine, 95% | 16401-70-0 N-Methylpyridazin-4-amine|CS-0061786|16401-70-0 https://www.jk-sci.com/products/s57c4x-182227 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ba736da-d1cb-437a-84b6-c70c3a501be0.png?v=1791713502 Leuprorelin EP Impurity D 2*Trifluoroacetic acid, 94.40% Leuprorelin EP Impurity D 2*Trifluoroacetic acid|C4X-182227 https://www.jk-sci.com/products/s57c4x-182231 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fb43b3bc-0e9c-4054-bb91-9307683ae6fd.png?v=1791713493 Leuprorelin impurity 31, 87.20% Leuprorelin impurity 31|C4X-182231 https://www.jk-sci.com/products/s57c4x-182234 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5dd56fbf-b52d-4c9a-8b70-5c3c81127b43.png?v=1791713489 Leuprorelin impurity 34 TFA, 94.20% Leuprorelin impurity 34 TFA|C4X-182234 https://www.jk-sci.com/products/s57c4x-18224 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d30b86e4-600b-4508-bcbe-e382d6d69734.png?v=1791713487 Leuprorelin EP Impurity D Acetate, 84.50% Leuprorelin EP Impurity D Acetate|C4X-18224 https://www.jk-sci.com/products/s57c4x-18231 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382f3bda5b47f62a30d71e4b91eaa151.jpg?v=1791713484 Theophylline-d6, Purity: 99.8% | 117490-39-8 Theophylline-d6|C4X-18231|117490-39-8 https://www.jk-sci.com/products/s57c4x-18246 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253163.png?v=1791713469 Cefcapene Impurity 6, 98.60% | 86978-24-7 Cefcapene Impurity 6|C4X-18246|86978-24-7 https://www.jk-sci.com/products/s57c4x-182410 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43461b85-d31c-41b0-8acf-33ad61563519.png?v=1791713479 (E)-Cefcapene Pivoxil, 90.60% (E)-Cefcapene Pivoxil|C4X-182410 https://www.jk-sci.com/products/s57c4x-182446 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6df71dde-b34c-4517-a7ec-8505187ca526.png?v=1791713469 Cefcapene Impurity 46, 91.40% Cefcapene Impurity 46|C4X-182446 https://www.jk-sci.com/products/ts246cs-0061796 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74234274a6c860c2780467fa49bf1fd6.jpg?v=1791675540 Methyl 2-(4-hydroxyphenyl)-2-oxoacetate, 95% | 38250-16-7 Methyl 2-(4-hydroxyphenyl)-2-oxoacetate|CS-0061796|38250-16-7 https://www.jk-sci.com/products/s57c4x-182436 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6da442083335f62c2b678a5c83481442.jpg?v=1791713474 Cefcapene Impurity 36, 92.20% | 1360188-88-0 Cefcapene Impurity 36|C4X-182436|1360188-88-0 https://www.jk-sci.com/products/s57c4x-182412 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efd96de5d4c3e7d1fc30ca3a3a080645.jpg?v=1791713477 Cefcapene Impurity 12, 92.70% | 3025716-46-2 Cefcapene Impurity 12|C4X-182412|3025716-46-2 https://www.jk-sci.com/products/ts246cs-0061801 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4c1b77e9c9f3bd841232ef30bf839b0.jpg?v=1791675534 Methyl 2-amino-5-fluoro-4-methylbenzoate, 98% | 929214-84-6 Methyl 2-amino-5-fluoro-4-methylbenzoate|CS-0061801|929214-84-6 https://www.jk-sci.com/products/s57c4x-1826 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794819.png?v=1791713466 Iguratimod, 99.30% | 123663-49-0 Iguratimod|C4X-1826|123663-49-0 https://www.jk-sci.com/products/s57c4x-1826104 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a31efe00-c4db-40bc-9f26-07b540ee9abc.png?v=1791713461 Iguratimod Impurity 104, 99.10% Iguratimod Impurity 104|C4X-1826104 https://www.jk-sci.com/products/s57c4x-1826112 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5388d8a611e9e0d6ebad662d22079b17.jpg?v=1791713460 Iguratimod Impurity 112, 98.20% | 123664-39-1 Iguratimod Impurity 112|C4X-1826112|123664-39-1 https://www.jk-sci.com/products/ts246cs-0061815 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6927459dfdc5fe2a6caefe17e2673424.jpg?v=1791675510 Methyl 2-(bromomethyl)-6-iodobenzoate, 98% | 861840-51-9 Methyl 2-(bromomethyl)-6-iodobenzoate|CS-0061815|861840-51-9 https://www.jk-sci.com/products/s57c4x-182614 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bc028a6857a334b7404882b54f5132f.jpg?v=1791713455 Iguratimod Impurity 14, 96.20% | 149457-03-4 Iguratimod Impurity 14|C4X-182614|149457-03-4 https://www.jk-sci.com/products/s57c4x-182625 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dd87770f-57a1-445f-92ee-44d9508ec2f5.png?v=1791713451 Iguratimod Impurity 25 HCl, Purity: 95.1% Iguratimod Impurity 25 HCl|C4X-182625 https://www.jk-sci.com/products/s57c4x-182639 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5a284b36584ddcfdfc3b16db9659bcf_c8784e80-affe-4265-84db-8c6d79827791.jpg?v=1791713451 Iguratimod Impurity 39, 98.90% | 123662-92-0 Iguratimod Impurity 39|C4X-182639|123662-92-0 https://www.jk-sci.com/products/s57c4x-182645 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_938c5076-e63a-471a-8194-26feead43e2e.png?v=1791713446 Iguratimod Impurity 45, 96.60% Iguratimod Impurity 45|C4X-182645 https://www.jk-sci.com/products/s57c4x-182647 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a960aad9ce811cc2f9c05e811e7f2250.jpg?v=1791713445 Iguratimod Impurity 47, 96.50% | 149456-97-3 Iguratimod Impurity 47|C4X-182647|149456-97-3 https://www.jk-sci.com/products/s57c4x-18265 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9208063ad1645e6d0854677c6db73274.jpg?v=1791713439 Iguratimod Impurity 5, 99.80% | 76838-72-7 Iguratimod Impurity 5|C4X-18265|76838-72-7 https://www.jk-sci.com/products/ts246cs-0061835 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c39012d48e192b201041370e41a4a25.jpg?v=1791675485 Methyl 6-hydroxypyridazine-4-carboxylate, 97% | 89640-81-3 Methyl 6-hydroxypyridazine-4-carboxylate|CS-0061835|89640-81-3 https://www.jk-sci.com/products/s57c4x-182671 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b6beb4ec-a859-4b60-b388-08559856521a.png?v=1791713438 Iguratimod Impurity 71, 97.00% Iguratimod Impurity 71|C4X-182671 https://www.jk-sci.com/products/ts246cs-0061829 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acfa2f2f54498291ec48ffc746a977a5.jpg?v=1791675495 Methyl 3-fluoro-5-nitrobenzoate, 99.48%+ | 883987-72-2 Methyl 3-fluoro-5-nitrobenzoate|CS-0061829|883987-72-2 https://www.jk-sci.com/products/s57c4x-18291 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398941.png?v=1791713423 Letrozole EP Impurity A, 98.30% | 112809-52-6 Letrozole EP Impurity A|C4X-18291|112809-52-6 https://www.jk-sci.com/products/s57c4x-18292 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433836.png?v=1791713418 Letrozole EP Impurity B, 99.00% | 113402-31-6 Letrozole EP Impurity B|C4X-18292|113402-31-6 https://www.jk-sci.com/products/s57c4x-182682 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26075d7d-391d-4287-9ed8-7d96e801c0a4.png?v=1791713434 Iguratimod Impurity 82, 98.50% Iguratimod Impurity 82|C4X-182682 https://www.jk-sci.com/products/s57c4x-18273 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35c7d2f9d4cd054749938f91c0ddb1d2.jpg?v=1791713429 Methionine Impurity 3, Purity: 99.5% | 31872-98-7 Methionine Impurity 3|C4X-18273|31872-98-7 https://www.jk-sci.com/products/s57c4x-18303 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adb1e4183cc6397f302ec4eb9bd6ea2e.jpg?v=1791713401 Lacosamide EP Impurity B (R-Isomer), 99.50% | 1318777-54-6 Lacosamide EP Impurity B (R-Isomer)|C4X-18303|1318777-54-6 https://www.jk-sci.com/products/s57c4x-18324 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7104f99016b5af75e35449ef12ed477.jpg?v=1791713375 Iopromide EP Impurity D (Mixture of Diastereomers), purity：97%% | 154361-55-4 Iopromide EP Impurity D (Mixture of Diastereomers)|C4X-18324|154361-55-4 https://www.jk-sci.com/products/s57c4x-18295 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328990_9b7b938d-3698-4ec6-9f48-2b373766a8c7.png?v=1791713413 Letrozole Impurity 5, 99.40% | 32446-66-5 Letrozole Impurity 5|C4X-18295|32446-66-5 https://www.jk-sci.com/products/ts246cs-0061895 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f408221643d9ed92dcb51f14730bd4c.jpg?v=1791675441 2,6-Dichloro-3-methoxyaniline, 96% | 55285-43-3 2,6-Dichloro-3-methoxyaniline|CS-0061895|55285-43-3 https://www.jk-sci.com/products/ts246cs-0061943 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef1af2fa8eb113c9236daba40e3796f0.jpg?v=1791675393 1,3-Difluoro-5-methoxy-2-nitrobenzene, 98.26%+ | 66684-62-6 1,3-Difluoro-5-methoxy-2-nitrobenzene|CS-0061943|66684-62-6 https://www.jk-sci.com/products/s57c4x-18307 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110071_3ea67186-70ac-44d4-b837-5e7df58d5f98.png?v=1791713391 Lacosamide EP Impurity G, 99.20% | 588-46-5 Lacosamide EP Impurity G|C4X-18307|588-46-5 https://www.jk-sci.com/products/s57c4x-183046 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b747049012e3e525f414063b8dbe77e.jpg?v=1791713396 Lacosamide Impurity 46, Purity: 98.6% | 1253790-25-8 Lacosamide Impurity 46|C4X-183046|1253790-25-8 https://www.jk-sci.com/products/ts246cs-0061918 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afa01dba3d25c499b4c880e442edee65.jpg?v=1791675424 Methyl 5-fluoro-6-methoxynicotinate, 98% | 953780-40-0 Methyl 5-fluoro-6-methoxynicotinate|CS-0061918|953780-40-0 https://www.jk-sci.com/products/ts246cs-0061951 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/309806ffa50f2a0a42b6ae4755410b37.jpg?v=1791675382 4-Fluoro-5-methoxy-2-nitrobenzoic acid, 98% | 864293-50-5 4-Fluoro-5-methoxy-2-nitrobenzoic acid|CS-0061951|864293-50-5 https://www.jk-sci.com/products/s57c4x-183015 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0928cdffbc91b7c62fc40384ebdc8ee_1b122b9d-1a27-429d-9913-cfc109205403.jpg?v=1791713408 Lacosamide EP Impurity D (R-isomer), 98.10% | 196601-69-1 Lacosamide EP Impurity D (R-isomer)|C4X-183015|196601-69-1 https://www.jk-sci.com/products/s57c4x-18321 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5cc4130733992672e36c2e47539164c.jpg?v=1791713385 Iopromide EP Impurity A, 90.80% | 154361-51-0 Iopromide EP Impurity A|C4X-18321|154361-51-0 https://www.jk-sci.com/products/s57c4x-183325 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dcb448f939eb75e36d886316f79b148.jpg?v=1791713366 Peramivir Impurity 25, Purity: 98.7% | 316173-29-2 Peramivir Impurity 25|C4X-183325|316173-29-2 https://www.jk-sci.com/products/ts246cs-0061851 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452787.png?v=1791675480 Methyl-biphenyl-2-carboxylate, 95% | 16605-99-5 Methyl-biphenyl-2-carboxylate|CS-0061851|16605-99-5 https://www.jk-sci.com/products/s57c4x-182938 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/405312.png?v=1791713418 Letrozole Impurity 38, Purity: 99.4% | 874-86-2 Letrozole Impurity 38|C4X-182938|874-86-2 https://www.jk-sci.com/products/s57c4x-183012 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2b28bc942c8cdcf055a564b495d1842.jpg?v=1791713405 Lacosamide EP Impurity A, 99.40% | 175481-37-5 Lacosamide EP Impurity A|C4X-183012|175481-37-5 https://www.jk-sci.com/products/ts246cs-0061880 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40f4a9f7034109f50ca3358abf396772.jpg?v=1791675451 methyl 2-(3-bromoquinolin-6-yl)acetate, 98% | 1022091-89-9 methyl 2-(3-bromoquinolin-6-yl)acetate|CS-0061880|1022091-89-9 https://www.jk-sci.com/products/ts246cs-0061911 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef68fb33c81541d50ba6dd8f8df0e078.jpg?v=1791675429 2-Methoxy-5-(trifluoromethoxy)aniline, 98% | 660848-57-7 2-Methoxy-5-(trifluoromethoxy)aniline|CS-0061911|660848-57-7 https://www.jk-sci.com/products/ts246cs-0061932 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff82dcc1f61a18f851fa5bcf5d2f775a.jpg?v=1791675407 Methyl 3,4-diamino-2-methoxybenzoate, 97% | 538372-37-1 Methyl 3,4-diamino-2-methoxybenzoate|CS-0061932|538372-37-1 https://www.jk-sci.com/products/s57c4x-18327 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae9a32851ac54c9f8c9438e8964b487f.jpg?v=1791713370 Iopromide EP Impurity G (Mixture of Diastereomers), 98.00% | 154361-53-2 Iopromide EP Impurity G (Mixture of Diastereomers)|C4X-18327|154361-53-2 https://www.jk-sci.com/products/s57c4x-183213 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4518ab0-f8d7-49de-ad90-329a924c906e.png?v=1791713379 Iopromide impurity 13, Purity: 99.3% Iopromide impurity 13|C4X-183213 https://www.jk-sci.com/products/s57c4x-183051 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9218ed1e-c2bf-4352-ada5-fde467f12aca.png?v=1791713394 Lacosamide Impurity 51, Purity: 99.6% Lacosamide Impurity 51|C4X-183051 https://www.jk-sci.com/products/ts246cs-0061898 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358062.png?v=1791675440 Dihydrosinapyl alcohol, 95% | 20736-25-8 Dihydrosinapyl alcohol|CS-0061898|20736-25-8 https://www.jk-sci.com/products/ts246cs-0061970 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129802.png?v=1791675366 6-(4-Methoxyphenyl)pyridazin-3-amine, 97% | 4776-87-8 6-(4-Methoxyphenyl)pyridazin-3-amine|CS-0061970|4776-87-8 https://www.jk-sci.com/products/ts246cs-0061966 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad1163d2d3bdb21e06b0d5648e22a266.jpg?v=1791675371 trans-4-(4-Methoxyphenyl)pyrrolidine-3-carboxylic acid hydrochloride, 98% | 1392211-27-6 trans-4-(4-Methoxyphenyl)pyrrolidine-3-carboxylic acid hydrochloride|CS-0061966|1392211-27-6 https://www.jk-sci.com/products/ts246cs-0062011 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f640b1cb18a46a800d737353e59b0f0d.jpg?v=1791675349 2,3-Dibromo-6-methoxypyridine, 97.00%+ | 909720-21-4 2,3-Dibromo-6-methoxypyridine|CS-0062011|909720-21-4 https://www.jk-sci.com/products/ts246cs-0062017 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c3a557ac1b41935c9883709030c136c.jpg?v=1791675344 1-(6-methoxypyrimidin-4-yl)piperidin-4-ol, 97% | 1065484-27-6 1-(6-methoxypyrimidin-4-yl)piperidin-4-ol|CS-0062017|1065484-27-6 https://www.jk-sci.com/products/ts246cs-0062119 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/641d3a95b3120ef3a96a56bde93991d8.jpg?v=1791675294 9H-pyrido[2,3-b]indole-6-carboxylic acid, 98% | 94718-66-8 9H-pyrido[2,3-b]indole-6-carboxylic acid|CS-0062119|94718-66-8 https://www.jk-sci.com/products/ts246cs-0062108 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c4520e78ab1b119682916f89de19a96.jpg?v=1791675299 Ethyl 1-(4-bromophenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate, 97% | 361990-21-8 Ethyl 1-(4-bromophenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate|CS-0062108|361990-21-8 https://www.jk-sci.com/products/ts246cs-0062032 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103148.png?v=1791675335 5-(Methylsulfonyl)benzo[d]oxazol-2(3H)-one, 98% | 13920-98-4 5-(Methylsulfonyl)benzo[d]oxazol-2(3H)-one|CS-0062032|13920-98-4 https://www.jk-sci.com/products/ts246cs-0062049 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253268.png?v=1791675330 Fmoc-(S)-3-Amino-4-(4-fluoro-phenyl)-butyric acid, 97% | 270062-83-4 Fmoc-(S)-3-Amino-4-(4-fluoro-phenyl)-butyric acid|CS-0062049|270062-83-4 https://www.jk-sci.com/products/ts246cs-0062148 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6052ca799c11959042c57d045f489302.jpg?v=1791675279 Cyclopentylurea, 97.00%+ | 1194-06-5 Cyclopentylurea|CS-0062148|1194-06-5 https://www.jk-sci.com/products/ts246cs-0062133 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cd10b19b5f96e3490e3efef69f7a4f1.jpg?v=1791675288 Methyl 2-formyl-1H-indole-5-carboxylate, 96.90%+ | 880360-85-0 Methyl 2-formyl-1H-indole-5-carboxylate|CS-0062133|880360-85-0 https://www.jk-sci.com/products/ts246cs-0062160 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211585.png?v=1791675264 2-Nitro-5-[(phenylacetyl)amino]benzoic Acid, 98% | 52033-70-2 2-Nitro-5-[(phenylacetyl)amino]benzoic Acid|CS-0062160|52033-70-2 https://www.jk-sci.com/products/ts246cs-0062176 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8be63ec542d7af143a7527cb69ac7e0.jpg?v=1791675254 6-chloro-N-cyclopropylpyridine-3-carboxamide, 98% | 585544-22-5 6-chloro-N-cyclopropylpyridine-3-carboxamide|CS-0062176|585544-22-5 https://www.jk-sci.com/products/s57c4x-183345 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e571bb4c-f8bb-4509-8af2-306b5df09a7c.png?v=1791713361 Peramivir Impurity 45, Purity: 95.2% Peramivir Impurity 45|C4X-183345 https://www.jk-sci.com/products/s57c4x-183332 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12e02775924ffa60bc378e9c71609632.jpg?v=1791713363 Peramivir Impurity 32, 97.60% | 229615-12-7 Peramivir Impurity 32|C4X-183332|229615-12-7 https://www.jk-sci.com/products/s57c4x-18335 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43a86bd48b78fa9494a79d5d5ce8cd98.jpg?v=1791713357 Peramivir Impurity 5, 92.90% | 2758048-72-3 Peramivir Impurity 5|C4X-18335|2758048-72-3 https://www.jk-sci.com/products/ts246cs-0062182 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472668.png?v=1791675249 (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-fluorophenyl)propanoic acid, 97% | 479064-89-6 (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-fluorophenyl)propanoic acid|CS-0062182|479064-89-6 https://www.jk-sci.com/products/s57c4x-183363 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dcb448f939eb75e36d886316f79b148_9ab4ab31-90d9-48a7-a9cc-4057f2bb952f.jpg?v=1791713353 Peramivir Impurity 63, Purity: 99.9% | 1988779-13-0 Peramivir Impurity 63|C4X-183363|1988779-13-0 https://www.jk-sci.com/products/ts246cs-0060281 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebddcd9054d5bf310dcb821a049f6ed7.jpg?v=1791676647 5-(Trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid, 95% | 1171920-15-2 5-(Trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid|CS-0060281|1171920-15-2 https://www.jk-sci.com/products/s57c4x-183367 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79ed1708-5782-46a5-9acd-dd4eca2d0cc0.png?v=1791713348 Peramivir Impurity 67, Purity: 99.8% Peramivir Impurity 67|C4X-183367 https://www.jk-sci.com/products/ts246cs-0061369 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bd8cdb7268c94cd578cb90b87070283.jpg?v=1791675834 5-Chloro-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid, 97% | 117449-75-9 5-Chloro-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid|CS-0061369|117449-75-9 https://www.jk-sci.com/products/ts246cs-0061219 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91f7ba07f229ad1fa34bf511f633bdec.jpg?v=1791675943 2-Bromo-3,5-dimethylphenol, 98.00%+ | 125237-08-3 2-Bromo-3,5-dimethylphenol|CS-0061219|125237-08-3 https://www.jk-sci.com/products/s57c4x-183373 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_efa9b443-1aba-4dd7-af76-506a39d5be87.png?v=1791713348 Peramivir Impurity 73, 98.60% Peramivir Impurity 73|C4X-183373 https://www.jk-sci.com/products/ts246cs-0062200 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299939.png?v=1791675237 Fmoc-(R)-3-Amino-4-(1-naphthyl)-butyric acid, 98% | 269398-89-2 Fmoc-(R)-3-Amino-4-(1-naphthyl)-butyric acid|CS-0062200|269398-89-2 https://www.jk-sci.com/products/ts246cs-0061012 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adc7166257d9621bbf880d72bd099b12.jpg?v=1791676106 tert-Butyl 3-nitrophenethylcarbamate, 98% | 180079-93-0 tert-Butyl 3-nitrophenethylcarbamate|CS-0061012|180079-93-0 https://www.jk-sci.com/products/ts246cs-0061519 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bb074e0e596ae1d4a4747985ac88ec2.jpg?v=1791675736 (1-Ethylpyrazol-4-yl)methanamine, 97% | 856696-09-8 (1-Ethylpyrazol-4-yl)methanamine|CS-0061519|856696-09-8 https://www.jk-sci.com/products/ts246cs-0061695 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5ed6fbc50ce18f0de69d9628e0588ac.jpg?v=1791675637 5-Chloro-2,3-dihydrochromen-4-one, 98% | 1199782-82-5 5-Chloro-2,3-dihydrochromen-4-one|CS-0061695|1199782-82-5 https://www.jk-sci.com/products/ts246cs-0061775 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98eaccc2c5a465a7336e9bb743c3cd5e.jpg?v=1791675560 (4-Methylmorpholin-2-yl)methanol, 97% | 40987-46-0 (4-Methylmorpholin-2-yl)methanol|CS-0061775|40987-46-0 https://www.jk-sci.com/products/s57c4x-183379 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4afc4f06-52af-4832-95fe-93c63a31a1d5.png?v=1791713344 Peramivir Impurity 79, 95.20% Peramivir Impurity 79|C4X-183379 https://www.jk-sci.com/products/ts246cs-0061789 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fb6e027f36ba56e87909b4baa632bcf.jpg?v=1791675540 1-(3-Chloro-2-fluorophenyl)-N-methylmethanamine, 98% | 1305711-90-3 1-(3-Chloro-2-fluorophenyl)-N-methylmethanamine|CS-0061789|1305711-90-3 https://www.jk-sci.com/products/ts246cs-0061805 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a512bd764f5f64ca35bf4a596142125.jpg?v=1791675525 Dimethyl 3-hydroxyphthalate, 98% | 36669-02-0 Dimethyl 3-hydroxyphthalate|CS-0061805|36669-02-0 https://www.jk-sci.com/products/ts246cs-0061831 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7b24ad86da66225237188d0065d35a9.jpg?v=1791675495 Methyl 4-nitro-1H-pyrrole-2-carboxylate, 98% | 13138-74-4 Methyl 4-nitro-1H-pyrrole-2-carboxylate|CS-0061831|13138-74-4 https://www.jk-sci.com/products/ts246cs-0061853 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eb564a328cd48adee5f6e431a636150.jpg?v=1791675480 Methyl 2,3-dihydro-1,4-benzodioxine-6-carboxylate, 98% | 20197-75-5 Methyl 2,3-dihydro-1,4-benzodioxine-6-carboxylate|CS-0061853|20197-75-5 https://www.jk-sci.com/products/ts246cs-0061896 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/574db0971c869141bf08da77adfe7ba7.jpg?v=1791675440 6-Fluoro-2,3-dimethoxybenzoic acid, 98.00%+ | 265670-72-2 6-Fluoro-2,3-dimethoxybenzoic acid|CS-0061896|265670-72-2 https://www.jk-sci.com/products/ts246cs-0061915 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5d9c22f9d31b14c91cfc4ff559eae38.jpg?v=1791675424 3,5-Dibromo-4-methoxybenzaldehyde, 97% | 108940-96-1 3,5-Dibromo-4-methoxybenzaldehyde|CS-0061915|108940-96-1 https://www.jk-sci.com/products/s57c4x-183411 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101784_3816acce-4044-455c-b000-8d9bf44db642.png?v=1791713339 Nitrendipine Impurity 11, 95.60% | 99-61-6 Nitrendipine Impurity 11|C4X-183411|99-61-6 https://www.jk-sci.com/products/ts246cs-0061938 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/071abb63860160f1b134662078a2dcfa.jpg?v=1791675397 (6-Chloro-5-methoxypyridin-2-yl)methanol, 97% | 1227602-31-4 (6-Chloro-5-methoxypyridin-2-yl)methanol|CS-0061938|1227602-31-4 https://www.jk-sci.com/products/s57c4x-18343 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b11a10698ff33800705a9cefa051507.jpg?v=1791713333 Nitrendipine Impurity 3, 98.20% | 76258-20-3 Nitrendipine Impurity 3|C4X-18343|76258-20-3 https://www.jk-sci.com/products/ts246cs-0061958 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7fe1972737c4201eca1ffcc77011cbc.jpg?v=1791675377 3-Chloro-5-methoxyaniline, 98% | 10272-06-7 3-Chloro-5-methoxyaniline|CS-0061958|10272-06-7 https://www.jk-sci.com/products/ts246cs-0061999 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50a22c713c21cd990375bca394e3e99f.jpg?v=1791675355 Methyl 8-methoxyquinoline-4-carboxylate, 97% | 1355233-81-6 Methyl 8-methoxyquinoline-4-carboxylate|CS-0061999|1355233-81-6 https://www.jk-sci.com/products/s57c4x-183512 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_826e59d2-7acc-482d-adc1-08d084173786.png?v=1791713327 Hydroxychloroquine Impurity 12, 95.20% Hydroxychloroquine Impurity 12|C4X-183512 https://www.jk-sci.com/products/s57c4x-183526 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2061ec6b-f31f-419a-9dcb-9a1b062295c4.png?v=1791713322 Hydroxychloroquine EP Impurity D Hydrogen sulfate, 93.90% Hydroxychloroquine EP Impurity D Hydrogen sulfate|C4X-183526 https://www.jk-sci.com/products/ts246cs-0062024 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fba7c18855b908091b32db51388ab1f.jpg?v=1791675344 (5-(Methoxymethyl)pyridin-3-yl)boronic acid, 97% | 200204-95-1 (5-(Methoxymethyl)pyridin-3-yl)boronic acid|CS-0062024|200204-95-1 https://www.jk-sci.com/products/s57c4x-18351 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5ebf8d3d6e8742231235fa68a149e00.jpg?v=1791713334 Hydroxychloroquine EP Impurity A, 91.50% | 1449223-88-4 Hydroxychloroquine EP Impurity A|C4X-18351|1449223-88-4 https://www.jk-sci.com/products/ts246cs-0062126 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6d132d738cbfe7f4dd914c581a0e727.jpg?v=1791675289 2-(6-Oxo-1,6-dihydro-9H-purin-9-yl)acetic acid, 98.44%+ | 6298-53-9 2-(6-Oxo-1,6-dihydro-9H-purin-9-yl)acetic acid|CS-0062126|6298-53-9 https://www.jk-sci.com/products/ts246cs-0062066 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f9aea5a54ab818f1dac59262fc5c565.jpg?v=1791675315 3-oxo-4H-1,4-benzoxazine-6-carbonitrile, 96.95%+ | 134997-74-3 3-oxo-4H-1,4-benzoxazine-6-carbonitrile|CS-0062066|134997-74-3 https://www.jk-sci.com/products/s57c4x-183548 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437213.png?v=1791713318 Hydroxychloroquine EP Impurity D, 94.10% | 1476-52-4 Hydroxychloroquine EP Impurity D|C4X-183548|1476-52-4 https://www.jk-sci.com/products/ts246cs-0062158 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414793.png?v=1791675269 Fmoc-(S)-3-Amino-4-(4-nitro-phenyl)-butyric acid, 97% | 270062-88-9 Fmoc-(S)-3-Amino-4-(4-nitro-phenyl)-butyric acid|CS-0062158|270062-88-9 https://www.jk-sci.com/products/s57c4x-183553 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453528.png?v=1791713313 Hydroxychloroquine Impurity 53, 99.50% | 109-83-1 Hydroxychloroquine Impurity 53|C4X-183553|109-83-1 https://www.jk-sci.com/products/s57c4x-183566 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1bfa6777-d919-479d-9248-5d5c810b392f.png?v=1791713309 N-nitroso hydroxychloroquine EP Impurity D, 89.10% N-nitroso hydroxychloroquine EP Impurity D|C4X-183566 https://www.jk-sci.com/products/ts246cs-0062179 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12f54b80dade8942fa7258d83eaeae9e.jpg?v=1791675254 2-((4-Fluorophenyl)amino)-2-oxoacetic acid, 99.83%+ | 69066-43-9 2-((4-Fluorophenyl)amino)-2-oxoacetic acid|CS-0062179|69066-43-9 https://www.jk-sci.com/products/ts246cs-0062218 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91c7c824cee61a09ce4ce7e8556716bf.jpg?v=1791675227 (5S)-5-phenylmorpholin-3-one, 98.00%+ | 1052209-96-7 (5S)-5-phenylmorpholin-3-one|CS-0062218|1052209-96-7 https://www.jk-sci.com/products/ts246cs-0062393 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b408b73fd23c85416b47bbddaff6bd1d.jpg?v=1791675187 2-(4-Bromophenyl)-6-methyl-1,3,6,2-dioxazaborocane, 95% | 115247-41-1 2-(4-Bromophenyl)-6-methyl-1,3,6,2-dioxazaborocane|CS-0062393|115247-41-1 https://www.jk-sci.com/products/ts246cs-0062237 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0a62586c33b0de2ca7df4dbc88045c7.jpg?v=1791675216 (11bS)?-N,?N-?Dipropyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 95% | 802902-36-9 (11bS)?-N,?N-?Dipropyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0062237|802902-36-9 https://www.jk-sci.com/products/ts246cs-0062311 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394677.png?v=1791675197 4-Hydroxyhippuric acid, 98% | 2482-25-9 4-Hydroxyhippuric acid|CS-0062311|2482-25-9 https://www.jk-sci.com/products/ts246cs-0062230 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db53997557a9255eff8b50c52d96228c.jpg?v=1791675221 2-Ethylbenzo[d]oxazole, 97% | 6797-13-3 2-Ethylbenzo[d]oxazole|CS-0062230|6797-13-3 https://www.jk-sci.com/products/ts246cs-0062448 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467771.png?v=1791675171 (11aR)-10,11,12,13-Tetrahydro-5-phenoxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin, 97% | 656233-53-3 (11aR)-10,11,12,13-Tetrahydro-5-phenoxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin|CS-0062448|656233-53-3 https://www.jk-sci.com/products/ts246cs-0062564 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591629.png?v=1791675148 5-Methoxy-3-methylbenzofuran-2-carboxylic acid, 96% | 81718-77-6 5-Methoxy-3-methylbenzofuran-2-carboxylic acid|CS-0062564|81718-77-6 https://www.jk-sci.com/products/ts246cs-0062591 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32eb228df9b913fba7b163842b73c39a.jpg?v=1793049325 7-methylbenzofuran-2-carboxylic acid, 97% | 17349-64-3 7-methylbenzofuran-2-carboxylic acid|CS-0062591|17349-64-3 https://www.jk-sci.com/products/ts246cs-0062783 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86f8758c7bf50231fdfd060cfc7333fb.jpg?v=1791675100 (2E,4E,6E,8E,10E)-Diethyl 4,9-dimethyldodeca-2,4,6,8,10-pentaenedioate, 95% | 53163-55-6 (2E,4E,6E,8E,10E)-Diethyl 4,9-dimethyldodeca-2,4,6,8,10-pentaenedioate|CS-0062783|53163-55-6 https://www.jk-sci.com/products/ts246cs-0063162 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/807494.png?v=1791675063 3-(3,5-Dichlorophenyl)propanoic acid, 95% | 95333-95-2 3-(3,5-Dichlorophenyl)propanoic acid|CS-0063162|95333-95-2 https://www.jk-sci.com/products/ts246cs-0063178 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111063.png?v=1791675038 (3-Chloro-2-fluorophenyl)hydrazine hydrochloride, 97% | 517920-75-1 (3-Chloro-2-fluorophenyl)hydrazine hydrochloride|CS-0063178|517920-75-1 https://www.jk-sci.com/products/ts246cs-0063187 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aaf1c29f859ab72e8bcc35418d456fb5.jpg?v=1791675028 4-Nitro-1H-pyrazole-3-carbonitrile, 95% | 61241-07-4 4-Nitro-1H-pyrazole-3-carbonitrile|CS-0063187|61241-07-4 https://www.jk-sci.com/products/ts246cs-0063189 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/140890.png?v=1791675028 2-Amino-2-phenylacetonitrile hydrochloride, 97% | 53641-60-4 2-Amino-2-phenylacetonitrile hydrochloride|CS-0063189|53641-60-4 https://www.jk-sci.com/products/ts246cs-0063208 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319021.png?v=1791675002 4-Methoxycoumarin, 99.44%+ | 20280-81-3 4-Methoxycoumarin|CS-0063208|20280-81-3 https://www.jk-sci.com/products/s57c4x-18357 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68a83db8d0f9b6746e4cb2dcac076dff.jpg?v=1791713308 Hydroxychloroquine Impurity 7, 90.90% | 47493-14-1 Hydroxychloroquine Impurity 7|C4X-18357|47493-14-1 https://www.jk-sci.com/products/s57c4x-18358 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610255.png?v=1791713304 Hydroxychloroquine EP Impurity G, 99.30% | 86-98-6 Hydroxychloroquine EP Impurity G|C4X-18358|86-98-6 https://www.jk-sci.com/products/s57c4x-18362 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/604370_bef55826-8303-473e-974c-a64f13e8de37.png?v=1791713301 Torasemide EP Impurity B, 99.80% | 72811-73-5 Torasemide EP Impurity B|C4X-18362|72811-73-5 https://www.jk-sci.com/products/s57c4x-18363 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd589155ff35e5a7ac6d5e2d341c9492.jpg?v=1791713300 Torasemide EP Impurity C, 98.50% | 58155-35-4 Torasemide EP Impurity C|C4X-18363|58155-35-4 https://www.jk-sci.com/products/ts246cs-0063215 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/931ca6f2c07791152e73b4decfb36c8a.jpg?v=1791674997 5-(Diphenylamino)thiophene-2-carbaldehyde, 96.55%+ | 133878-94-1 5-(Diphenylamino)thiophene-2-carbaldehyde|CS-0063215|133878-94-1 https://www.jk-sci.com/products/s57c4x-18365 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589d95f4ef9de0ba8db6716363581acb.jpg?v=1791713294 Torasemide EP Impurity E, 98.50% | 72810-57-2 Torasemide EP Impurity E|C4X-18365|72810-57-2 https://www.jk-sci.com/products/ts246cs-0063348 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2978e010bfeb53df330410fa946758a.jpg?v=1791674986 m-PEG1-NHS ester, 95% | 1027371-75-0 m-PEG1-NHS ester|CS-0063348|1027371-75-0 https://www.jk-sci.com/products/s57c4x-18371 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39e728360acd82a61da0fdeab8569796.jpg?v=1791713291 Clemastine EP Impurity A(Mixture of Diastereomers), 86.10% | 108825-05-4 Clemastine EP Impurity A(Mixture of Diastereomers)|C4X-18371|108825-05-4 https://www.jk-sci.com/products/ts246cs-0061102 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c30de4b1d3229e8d368165f7eaf4ab5e.jpg?v=1791676044 3-Phenoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, 97% | 1309981-45-0 3-Phenoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine|CS-0061102|1309981-45-0 https://www.jk-sci.com/products/s57c4x-183720 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8f85485-5897-4dcc-bc5c-4ed385b35ade.png?v=1791713289 Clemastine Impurity 20, 97.00% Clemastine Impurity 20|C4X-183720 https://www.jk-sci.com/products/ts246cs-0061452 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85e6d80f94b2328ac5ece31ca863e374.jpg?v=1791675773 4-Chloro-2-ethylaniline, 97% | 30273-39-3 4-Chloro-2-ethylaniline|CS-0061452|30273-39-3 https://www.jk-sci.com/products/ts246cs-0061748 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791915_e6853805-0900-4a1a-b69b-17e3e6afcd29.png?v=1791675585 4-(1-Methylpyrazol-3-yl)benzaldehyde, 96% | 179055-27-7 4-(1-Methylpyrazol-3-yl)benzaldehyde|CS-0061748|179055-27-7 https://www.jk-sci.com/products/ts246cs-0061905 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ddbd32956d26ab56e428a3a2ba33f4d.jpg?v=1791675429 5-Bromo-4-fluoro-2-methoxyaniline, 95.58%+ | 1397237-98-7 5-Bromo-4-fluoro-2-methoxyaniline|CS-0061905|1397237-98-7 https://www.jk-sci.com/products/ts246cs-0061849 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f732a55fea3dee25f72c4debde7c13c.jpg?v=1791675480 Methyl 5-nitro-1H-pyrrole-2-carboxylate, 98% | 13138-73-3 Methyl 5-nitro-1H-pyrrole-2-carboxylate|CS-0061849|13138-73-3 https://www.jk-sci.com/products/ts246cs-0061799 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/697aa60498e80b3f59c76c96f25d3cd0.jpg?v=1791675535 Dimethyl 2-(pyrimidin-2-yl)malonate, 97% | 93271-75-1 Dimethyl 2-(pyrimidin-2-yl)malonate|CS-0061799|93271-75-1 https://www.jk-sci.com/products/ts246cs-0061950 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/548071_641bfb20-6870-4f77-a1f9-8f145391015e.png?v=1791675387 1-Bromo-4-chloro-2-fluoro-5-methoxybenzene, 97.15%+ | 146447-18-9 1-Bromo-4-chloro-2-fluoro-5-methoxybenzene|CS-0061950|146447-18-9 https://www.jk-sci.com/products/s57c4x-18374 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/544976_a837658a-7435-4ac8-a446-9880c90f0c1f.png?v=1791713284 Clemastine Impurity 4, 97.90% | 67004-64-2 Clemastine Impurity 4|C4X-18374|67004-64-2 https://www.jk-sci.com/products/ts246cs-0062016 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/763b2258e841d07269ccbf194d9cab77.jpg?v=1791675345 1-(6-Methoxy-pyrimidin-4-yl)-piperidine-4-carboxylic acid, 98% | 1334488-49-1 1-(6-Methoxy-pyrimidin-4-yl)-piperidine-4-carboxylic acid|CS-0062016|1334488-49-1 https://www.jk-sci.com/products/ts246cs-0062115 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fec81117cbadeab7015839c761ffe063.jpg?v=1791675299 3-Isopropyl-5-methyl-4H-[1,2,4]triazole, 95.00%+ | 87268-63-1 3-Isopropyl-5-methyl-4H-[1,2,4]triazole|CS-0062115|87268-63-1 https://www.jk-sci.com/products/s57c4x-18376 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f9764d356b7f0aa4a2975b96f44ac0c.jpg?v=1791713282 Clemastine Impurity 6 Fumarate (S,S-isomer), 99.50% | 61826-29-7 Clemastine Impurity 6 Fumarate (S,S-isomer)|C4X-18376|61826-29-7 https://www.jk-sci.com/products/s57c4x-183811 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147901_af55a179-b2db-4cbf-9cba-478653b3959a.png?v=1791713274 Betahistine Impurity 11, 98.80% | 2706-56-1 Betahistine Impurity 11|C4X-183811|2706-56-1 https://www.jk-sci.com/products/ts246cs-0062172 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31f115d2bbe0395059b2f3cf02808d2b.jpg?v=1791675255 tert-butyl 4-hydroxy-4-(thiophen-2-yl)piperidine-1-carboxylate, 97% | 630119-99-2 tert-butyl 4-hydroxy-4-(thiophen-2-yl)piperidine-1-carboxylate|CS-0062172|630119-99-2 https://www.jk-sci.com/products/s57c4x-18378 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7bc74690e211325fa0918a8418bd63f.jpg?v=1791713278 Chloramistine Impurity 8, 97.20% | 18218-20-7 Chloramistine Impurity 8|C4X-18378|18218-20-7 https://www.jk-sci.com/products/s57c4x-183819 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94290de9c509a59802b6b1d69f9d1011.jpg?v=1791713273 Betahistine Impurity 19, 98.30% | 32635-81-7 Betahistine Impurity 19|C4X-183819|32635-81-7 https://www.jk-sci.com/products/ts246cs-0062203 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31151e215fa5f1b2a7ae91b479366a40.jpg?v=1791675232 3-Oxoisoindoline-4-carboxylic acid, 96.36%+ | 935269-27-5 3-Oxoisoindoline-4-carboxylic acid|CS-0062203|935269-27-5 https://www.jk-sci.com/products/s57c4x-183820 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c367a130-badd-41a1-bf68-3a6457644c78.png?v=1791713268 Betahistine Impurity 20 Trihydrochloride, Purity: 100.0% Betahistine Impurity 20 Trihydrochloride|C4X-183820 https://www.jk-sci.com/products/ts246cs-0062235 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d258f8a3f73b55fa402660c599fcdc13.jpg?v=1791675216 8-Bromodibenzo[b,d]furan-2-carbonitrile, 95% | 1442648-14-7 8-Bromodibenzo[b,d]furan-2-carbonitrile|CS-0062235|1442648-14-7 https://www.jk-sci.com/products/ts246cs-0062370 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590eee9038879435ed198552078654c8.jpg?v=1791675191 m-PEG3-CH2CH2COOH, 97.00%+ | 67319-28-2 m-PEG3-CH2CH2COOH|CS-0062370|67319-28-2 https://www.jk-sci.com/products/ts246cs-0062562 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c07257f5e23f64d51b6f862110b3ba9a.jpg?v=1791675149 5-Bromo-3-methylbenzofuran-2-carboxylic acid, 97% | 50638-08-9 5-Bromo-3-methylbenzofuran-2-carboxylic acid|CS-0062562|50638-08-9 https://www.jk-sci.com/products/ts246cs-0062773 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65f78d37347e996e24a970d8e0654f6f.jpg?v=1791675106 4,6-Bis(3,5-di(pyridin-3-yl)phenyl)-2-methylpyrimidine, 97% | 925425-96-3 4,6-Bis(3,5-di(pyridin-3-yl)phenyl)-2-methylpyrimidine|CS-0062773|925425-96-3 https://www.jk-sci.com/products/ts246cs-0063188 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1f17d973fa8595016d2953d6021c6c2.jpg?v=1791675028 Methyl 3-methylbenzo[b]thiophene-2-carboxylate, 97% | 3133-81-1 Methyl 3-methylbenzo[b]thiophene-2-carboxylate|CS-0063188|3133-81-1 https://www.jk-sci.com/products/ts246cs-0063211 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515880.png?v=1791675001 Thiophen-3-ylmethanamine hydrochloride, 95.00%+ | 115132-84-8 Thiophen-3-ylmethanamine hydrochloride|CS-0063211|115132-84-8 https://www.jk-sci.com/products/ts246cs-0063506 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220528.png?v=1791674967 Methyl (S)-(-)-N-Z-aziridine-2-carboxylate, 95% | 104597-98-0 Methyl (S)-(-)-N-Z-aziridine-2-carboxylate|CS-0063506|104597-98-0 https://www.jk-sci.com/products/ts246cs-0063580 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5ec33f829fa05bf82397f140c8cf6e3.jpg?v=1791674962 Propargyl-PEG12-OH, 98% | 1036204-61-1 Propargyl-PEG12-OH|CS-0063580|1036204-61-1 https://www.jk-sci.com/products/ts246cs-0063801 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94a3bdce91611e01a82b5a39cacbc5fc.jpg?v=1791674938 tert-Butyl 3-fluoroazetidine-1-carboxylate, 97% | 1255666-44-4 tert-Butyl 3-fluoroazetidine-1-carboxylate|CS-0063801|1255666-44-4 https://www.jk-sci.com/products/ts246cs-0063810 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367750.png?v=1791674932 4-Hydroxy-7-methoxy-2H-chromen-2-one, 95% | 17575-15-4 4-Hydroxy-7-methoxy-2H-chromen-2-one|CS-0063810|17575-15-4 https://www.jk-sci.com/products/ts246cs-0063804 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508f8decaad8cefc19a20095fe89d7b8.jpg?v=1791674938 6-(4-(Methylsulfonyl)phenyl)picolinaldehyde, 95% | 834884-84-3 6-(4-(Methylsulfonyl)phenyl)picolinaldehyde|CS-0063804|834884-84-3 https://www.jk-sci.com/products/ts246cs-0063815 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b57d77942ab6dc89a16e6d124758fc7.jpg?v=1791674926 4-Bromo-2,5-dichloropyridine, 98% | 1184917-16-5 4-Bromo-2,5-dichloropyridine|CS-0063815|1184917-16-5 https://www.jk-sci.com/products/ts246cs-0063824 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235909.png?v=1791674911 3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-amine, 97.00%+ | 175136-34-2 3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-amine|CS-0063824|175136-34-2 https://www.jk-sci.com/products/ts246cs-0063839 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612231.png?v=1791674896 2-(Bromomethyl)-1-fluoro-3-nitrobenzene, 97% | 1958-93-6 2-(Bromomethyl)-1-fluoro-3-nitrobenzene|CS-0063839|1958-93-6 https://www.jk-sci.com/products/ts246cs-0063880 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610100.png?v=1791674855 5-Nitrobenzo[d]isothiazol-3-amine, 98.65%+ | 84387-89-3 5-Nitrobenzo[d]isothiazol-3-amine|CS-0063880|84387-89-3 https://www.jk-sci.com/products/s57c4x-183825 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a8e3c27e8aee71a613d0294145adec5.jpg?v=1791713263 Betahistine impurity 25, 90.40% | 16927-00-7 Betahistine impurity 25|C4X-183825|16927-00-7 https://www.jk-sci.com/products/ts246cs-0063847 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69b00d472652acbf65aa51856d5b104c.jpg?v=1791674880 7-Bromo-2-methylbenzo[d]thiazole, 98% | 110704-32-0 7-Bromo-2-methylbenzo[d]thiazole|CS-0063847|110704-32-0 https://www.jk-sci.com/products/ts246cs-0063893 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381961.png?v=1791674841 4,4,4-Trifluoro-1-(4-methoxyphenyl)butane-1,3-dione, 97% | 15191-68-1 4,4,4-Trifluoro-1-(4-methoxyphenyl)butane-1,3-dione|CS-0063893|15191-68-1 https://www.jk-sci.com/products/ts246cs-0063897 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd76e87501013a534ef787f98c84318d.jpg?v=1791674835 5-Hydroxynicotinaldehyde, 97% | 1060804-48-9 5-Hydroxynicotinaldehyde|CS-0063897|1060804-48-9 https://www.jk-sci.com/products/ts246cs-0063931 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f947ae7223346d72f9a954b5c2228dda.jpg?v=1791674799 2-(1-Methyl-1H-indol-3-yl)-2-oxoacetic acid, 97% | 51584-18-0 2-(1-Methyl-1H-indol-3-yl)-2-oxoacetic acid|CS-0063931|51584-18-0 https://www.jk-sci.com/products/ts246cs-0063940 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ace19cb7359585da80f41b1d42a2a03.jpg?v=1791674784 tert-Butyl 6-chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate, 98.00%+ | 1218790-24-9 tert-Butyl 6-chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate|CS-0063940|1218790-24-9 https://www.jk-sci.com/products/s57c4x-18388 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325218.png?v=1791713257 2-(2-Dimethylaminoethyl)pyridine, 83.30% | 6304-27-4 2-(2-Dimethylaminoethyl)pyridine|C4X-18388|6304-27-4 https://www.jk-sci.com/products/s57c4x-18394 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c109e8e82dd50c540625ca3cf1c4cd4f.jpg?v=1791713252 Bepotastine Impurity 4, 98.10% | 210095-58-2 Bepotastine Impurity 4|C4X-18394|210095-58-2 https://www.jk-sci.com/products/s57c4x-18386 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9422423e65e0f0371ea6461d6cfbbe62.jpg?v=1791713262 Betahistine EP Impurity C, Purity: 97.1% | 2095467-43-7 Betahistine EP Impurity C|C4X-18386|2095467-43-7 https://www.jk-sci.com/products/s57c4x-184010 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0f3460265d79b6cfaf64aab0f9baa19.jpg?v=1791713247 Epinastine Impurity 10, 96.00% | 41218-84-2 Epinastine Impurity 10|C4X-184010|41218-84-2 https://www.jk-sci.com/products/s57c4x-170814 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283990_118d294d-c502-4599-be4b-aa9a411cda75.png?v=1791714667 Naproxen EP Impurity N, 99.50% | 5111-65-9 Naproxen EP Impurity N|C4X-170814|5111-65-9 https://www.jk-sci.com/products/s57c4x-16797 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ba7de200a053476188532578a2be566.jpg?v=1791714972 Lidocaine EP Impurity G(HCl), 96.40% | 35891-87-3 Lidocaine EP Impurity G(HCl)|C4X-16797|35891-87-3 https://www.jk-sci.com/products/s57c4x-172033 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622934_9d591741-e36e-4887-9102-9ed6febaf68e.png?v=1791714515 Oseltamivir EP Impurity C, 93.60% | 187227-45-8 Oseltamivir EP Impurity C|C4X-172033|187227-45-8 https://www.jk-sci.com/products/s57c4x-15542 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153971_3fe9e9e2-0f3c-460d-b211-3cd6f812f1c0.png?v=1791715948 Balsalazide Impurity 2, Purity: 100.0% | 7377-08-4 Balsalazide Impurity 2|C4X-15542|7377-08-4 https://www.jk-sci.com/products/s57c4x-172615 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150f8f7f1252354cbfcfb5de4a79483e.jpg?v=1791714394 Pemetrexed Impurity 15 (Mixture of Diastereomers), 93.20% | 193281-00-4 Pemetrexed Impurity 15 (Mixture of Diastereomers)|C4X-172615|193281-00-4 https://www.jk-sci.com/products/s57c4x-173218 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7cbf0175-645b-4759-a1ab-124f07676599.png?v=1791714322 Piperacillin Impurity 18, 90.10% Piperacillin Impurity 18|C4X-173218 https://www.jk-sci.com/products/s57c4x-175126 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a058fa3-322f-4171-9dc0-ba1119c6e0eb.png?v=1791714191 Ritonavir EP Impurity U, 98.20% Ritonavir EP Impurity U|C4X-175126 https://www.jk-sci.com/products/s57c4x-174411 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7130f3bc5f213efd11584775572e0e57.jpg?v=1791714258 Ramipril EP Impurity B, 96.70% | 295328-72-2 Ramipril EP Impurity B|C4X-174411|295328-72-2 https://www.jk-sci.com/products/s57c4x-177212 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126607_fe06afd0-3f4d-4ac6-adb8-e46a5e3d71ec.png?v=1791714051 Trazodone Impurity 12, 100.00% | 6969-71-7 Trazodone Impurity 12|C4X-177212|6969-71-7 https://www.jk-sci.com/products/s57c4x-177257 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_acbdd023-1709-4eaa-a89d-7c68795a743d.png?v=1791714023 Trazodone impurity 57, Purity: 93.7% Trazodone impurity 57|C4X-177257 https://www.jk-sci.com/products/s57c4x-17688 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95273a319981b5fc64b06b350f421ddb.jpg?v=1791714087 Topiramate Impurity 8, 95.00% | 912456-61-2 Topiramate Impurity 8|C4X-17688|912456-61-2 https://www.jk-sci.com/products/s57c4x-17602 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c575f65b5f422be02293a9e000990ee.jpg?v=1791714135 Teneligliptin Impurity 2, 98.40% | 401566-79-8 Teneligliptin Impurity 2|C4X-17602|401566-79-8 https://www.jk-sci.com/products/s57c4x-177827 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534449_8d523b23-a83c-4baf-934b-948d9ec40deb.png?v=1791713974 Verapamil Impurity 27, 94.60% | 7306-46-9 Verapamil Impurity 27|C4X-177827|7306-46-9 https://www.jk-sci.com/products/s57c4x-177511 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdf1a5439dfcdc0867e8456aca294df4.jpg?v=1791713998 Vancomycin EP Impurity J, 95.80% | 2416251-24-4 Vancomycin EP Impurity J|C4X-177511|2416251-24-4 https://www.jk-sci.com/products/s57c4x-177930 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411467_5e9071c8-0a57-460d-a8d7-4220b5c77eae.png?v=1791713942 Vitamin Impurity 30, 99.00% | 342385-52-8 Vitamin Impurity 30|C4X-177930|342385-52-8 https://www.jk-sci.com/products/s57c4x-17885 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d6ca07d17a89d8c901808a4f9b0408b.jpg?v=1791713909 Loperamide EP Impurity E, 92.70% | 1426322-82-8 Loperamide EP Impurity E|C4X-17885|1426322-82-8 https://www.jk-sci.com/products/s57c4x-179216 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac5d81042ff4215bda11dbf1d3dcac03.jpg?v=1791713883 Indobufen Impurity 16, 97.60% | 21762-22-1 Indobufen Impurity 16|C4X-179216|21762-22-1 https://www.jk-sci.com/products/s57c4x-179273 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c86a8da9-25ba-44b4-93b4-0610b8914380.png?v=1791713853 Indobufen Impurity 73, 99.10% Indobufen Impurity 73|C4X-179273 https://www.jk-sci.com/products/s57c4x-179412 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/384342_d680a930-d647-4141-85fc-ab3dc2373a39.png?v=1791713824 Fexofenadine Impurity 12, Purity: 91.7% | 154477-54-0 Fexofenadine Impurity 12|C4X-179412|154477-54-0 https://www.jk-sci.com/products/s57c4x-17969 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed38b2942844fc13dfe1d76d6e3b90af.jpg?v=1791713805 Cilnidipine Impurity 9, Purity: 97.4% | 74936-76-8 Cilnidipine Impurity 9|C4X-17969|74936-76-8 https://www.jk-sci.com/products/s57c4x-179728 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ba73971-2bdf-4996-a9c3-13a89eb9e06b.png?v=1791713789 Tenofovir Alafenamide Impurity 28, Purity: 96.6% Tenofovir Alafenamide Impurity 28|C4X-179728 https://www.jk-sci.com/products/s57c4x-17995 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bb5acebea8d822bc4573124dbcfb6a6.jpg?v=1791713777 Vincamine impurity 5, 97.10% | 51442-60-5 Vincamine impurity 5|C4X-17995|51442-60-5 https://www.jk-sci.com/products/s57c4x-18029 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db065d5d6533549fb4f958af98f84c6e.jpg?v=1791713756 Miconazole EP Impurity I, 98.40% | 24169-00-4 Miconazole EP Impurity I|C4X-18029|24169-00-4 https://www.jk-sci.com/products/s57c4x-18034 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/237577_89d3e85f-a917-496b-8e17-110ccf0242a1.png?v=1791713733 Trimetazidine EP Impurity D, 98.00% | 71989-96-3 Trimetazidine EP Impurity D|C4X-18034|71989-96-3 https://www.jk-sci.com/products/s57c4x-18095 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233782_3b91ded2-ad5c-41b4-b974-b3b78cbda155.png?v=1791713718 Adapalene Impurity 5, 97.40% | 106685-41-0 Adapalene Impurity 5|C4X-18095|106685-41-0 https://www.jk-sci.com/products/s57c4x-181032 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee974c5e-8dce-4f1e-ab0b-24ef4d30d720.png?v=1791713696 Procaterol Impurity 32, 90.60% Procaterol Impurity 32|C4X-181032 https://www.jk-sci.com/products/s57c4x-181125 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1626abc-c00f-4156-972d-fe049fecc8f9.png?v=1791713682 Pranoprofen Impurity 25, 95.70% Pranoprofen Impurity 25|C4X-181125 https://www.jk-sci.com/products/s57c4x-181224 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ffee0e80-1ac7-4676-90e2-8ab828458abd.png?v=1791713650 Suvorexant Impurity 24, 87.70% Suvorexant Impurity 24|C4X-181224 https://www.jk-sci.com/products/s57c4x-181151 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_03f2e7be-dd9f-460a-84a4-061cb90d44ed.png?v=1791713669 Pranoprofen Impurity 51, Purity: 99.4% Pranoprofen Impurity 51|C4X-181151 https://www.jk-sci.com/products/s57c4x-181323 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41943ded0a43702f78f316a792418769.jpg?v=1791713635 Butylphthalide Impurity 23, 93.80% | 199736-94-2 Butylphthalide Impurity 23|C4X-181323|199736-94-2 https://www.jk-sci.com/products/s57c4x-181356 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4136bf7f19f086d0b603cafffb8feb52.jpg?v=1791713619 Butylphthalide Impurity 56, 97.40% | 261783-87-3 Butylphthalide Impurity 56|C4X-181356|261783-87-3 https://www.jk-sci.com/products/s57c4x-181375 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c696b5902ccaffa4e9628efd1f74266.jpg?v=1791713607 Butylphthalide Impurity 75, 96.40% | 72917-31-8 Butylphthalide Impurity 75|C4X-181375|72917-31-8 https://www.jk-sci.com/products/s57c4x-181421 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10ed557a-f828-4c5f-9fb2-f89f1410a180.png?v=1791713592 Nintedanib Impurity 21, 88.70% Nintedanib Impurity 21|C4X-181421 https://www.jk-sci.com/products/s57c4x-181484 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f37349b66c30c719a904faa2a65f2b7.jpg?v=1791713562 Nintedanib Impurity 84, 99.50% | 2770008-35-8 Nintedanib Impurity 84|C4X-181484|2770008-35-8 https://www.jk-sci.com/products/s57c4x-18146 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08b3bd7ec992735658d097b152512e28.jpg?v=1791713578 Nintedanib Impurity 6, 99.90% | 1139453-98-7 Nintedanib Impurity 6|C4X-18146|1139453-98-7 https://www.jk-sci.com/products/ts246cs-0060680 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108717_6d26428d-7462-4e0e-b141-29a35ca2e29c.png?v=1791676344 3-Bromoimidazo[1,2-a]pyridine-6-carboxylic acid, 98% | 886362-00-1 3-Bromoimidazo[1,2-a]pyridine-6-carboxylic acid|CS-0060680|886362-00-1 https://www.jk-sci.com/products/ts246cs-0061614 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e5246512a203526a114c4856bd6ba0e.jpg?v=1791675684 Ethyl 3-hydroxy-3-methylbutanoate, 95% | 18267-36-2 Ethyl 3-hydroxy-3-methylbutanoate|CS-0061614|18267-36-2 https://www.jk-sci.com/products/ts246cs-0061827 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8eb9b53f77d4b458787ff17d4141d88.jpg?v=1791675500 Methyl 2,4-dihydroxy-5-nitrobenzoate, 97.00%+ | 271261-71-3 Methyl 2,4-dihydroxy-5-nitrobenzoate|CS-0061827|271261-71-3 https://www.jk-sci.com/products/s57c4x-181921 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9559c12be579e1ebc0addfb07b37939.jpg?v=1791713544 3-Methyl-10-ethyl-Deazaflavin, Purity: 99.9% | 59997-14-7 3-Methyl-10-ethyl-Deazaflavin|C4X-181921|59997-14-7 https://www.jk-sci.com/products/ts246cs-0061925 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/544acbc689e89ebdd50eb260c596ba5e.jpg?v=1791675418 4-Bromo-2-methoxy-1-phenylmethoxybenzene, 97% | 63057-72-7 4-Bromo-2-methoxy-1-phenylmethoxybenzene|CS-0061925|63057-72-7 https://www.jk-sci.com/products/s57c4x-18203 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_75f880d4-4ff0-49ba-9791-e37e8211ca88.png?v=1791713528 Iomeprol Impurity 3, 97.40% Iomeprol Impurity 3|C4X-18203 https://www.jk-sci.com/products/ts246cs-0062048 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48f27e49264d56239fcce070262e6fad.jpg?v=1791675336 N-(5-Fluoro-4-methoxy-2-nitrophenyl)acetamide, 99.46%+ | 448-26-0 N-(5-Fluoro-4-methoxy-2-nitrophenyl)acetamide|CS-0062048|448-26-0 https://www.jk-sci.com/products/s57c4x-182123 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e66f7c1a77ab5d6307b343fa3a128855.jpg?v=1791713517 Polaprezinc Impurity 23, Purity: 99.6% | 19532-95-7 Polaprezinc Impurity 23|C4X-182123|19532-95-7 https://www.jk-sci.com/products/ts246cs-0062249 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94a44b4e2984c8870909c4eefee4f09d.jpg?v=1791675211 5-Chloro-2-fluoro-4-nitrophenol, 98% | 1500154-08-4 5-Chloro-2-fluoro-4-nitrophenol|CS-0062249|1500154-08-4 https://www.jk-sci.com/products/s57c4x-182225 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd192043-5f59-497b-b7a9-1bff7a272aed.png?v=1791713502 Leuprorelin EP Impurity K Trifluoroacetic acid, 95.30% Leuprorelin EP Impurity K Trifluoroacetic acid|C4X-182225 https://www.jk-sci.com/products/ts246cs-0062192 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/547735_b1d3b443-ff84-487c-b673-05cfa645bf8d.png?v=1791675243 Fmoc-(R)-3-Amino-3-(4-chlorophenyl)-propionic acid, 98% | 479064-92-1 Fmoc-(R)-3-Amino-3-(4-chlorophenyl)-propionic acid|CS-0062192|479064-92-1 https://www.jk-sci.com/products/s57c4x-182218 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85131c11-483a-42fa-be66-3adaf39be0cf.png?v=1791713511 Leuprorelin EP Impurity B Trifluoroacetic acid, 84.30% Leuprorelin EP Impurity B Trifluoroacetic acid|C4X-182218 https://www.jk-sci.com/products/s57c4x-182613 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcb6fe2c0f5b9197756c8d1e9ec86b47.jpg?v=1791713456 Iguratimod Impurity 11, 97.70% | 149456-98-4 Iguratimod Impurity 11|C4X-182613|149456-98-4 https://www.jk-sci.com/products/ts246cs-0063325 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00d94dab2dd4c59027c156ee154e95bc.jpg?v=1791674991 DODMA, 97% | 104162-47-2 DODMA|CS-0063325|104162-47-2 https://www.jk-sci.com/products/s57c4x-182414 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6d7e0988-b86c-4387-9946-6ecee17d013f.png?v=1791713475 Cefcapene Impurity 14, 76.80% Cefcapene Impurity 14|C4X-182414 https://www.jk-sci.com/products/s57c4x-182230 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c292177eac2a4dbeaa05cd3bb505cfe5.jpg?v=1791713494 Leuprorelin EP impurity E TFA, 86.20% | 1926163-23-6 Leuprorelin EP impurity E TFA|C4X-182230|1926163-23-6 https://www.jk-sci.com/products/ts246cs-0063808 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623414_5237c79b-5f76-430f-a664-34a96d34d23b.png?v=1791674932 1-(2-Chloro-4-fluorophenyl)cyclopentanecarboxylic acid, 98% | 214263-01-1 1-(2-Chloro-4-fluorophenyl)cyclopentanecarboxylic acid|CS-0063808|214263-01-1 https://www.jk-sci.com/products/s57c4x-182610 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9c93dc218b22bf2c7f50144175c9715_56319d04-c76c-4326-ac00-411e916da1a1.jpg?v=1791713465 Iguratimod Impurity 10, 98.50% | 2401-24-3 Iguratimod Impurity 10|C4X-182610|2401-24-3 https://www.jk-sci.com/products/s57c4x-182235 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_76367dba-5ee2-4672-9eb1-d329f5d87cc2.png?v=1791713489 Leuprorelin EP Impurity K 2 Trifluoroacetic acid, 96.50% Leuprorelin EP Impurity K 2 Trifluoroacetic acid|C4X-182235 https://www.jk-sci.com/products/s57c4x-1824 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446bde7cc8ed46b85eedc06d7ccd7e2b.jpg?v=1791713483 Cefcapene Pivoxil Hydrochloride Hydrate, 98.80% | 147816-24-8 Cefcapene Pivoxil Hydrochloride Hydrate|C4X-1824|147816-24-8 https://www.jk-sci.com/products/ts246cs-0063841 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d45de9faf761aabe92f08d4c7b1886fa.jpg?v=1791674891 4-Bromo-2-fluoro-5-nitrobenzaldehyde, 95% | 679839-39-5 4-Bromo-2-fluoro-5-nitrobenzaldehyde|CS-0063841|679839-39-5 https://www.jk-sci.com/products/ts246cs-0063594 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393321_7386ce88-07b1-4f7a-bc2f-9f81c40ed069.png?v=1791674961 Anisylacetone, 98% | 104-20-1 Anisylacetone|CS-0063594|104-20-1 https://www.jk-sci.com/products/ts246cs-0062565 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11f86143c4b69052dcb1d6471c7f531d.jpg?v=1793049330 Methyl 1-methyl-9H-pyrido[3,4-b]indole-3-carboxylate, 98% | 16641-82-0 Methyl 1-methyl-9H-pyrido[3,4-b]indole-3-carboxylate|CS-0062565|16641-82-0 https://www.jk-sci.com/products/s57c4x-18245 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05d696cff2fbef8ad1284ef5921d983b.jpg?v=1791713470 Cefcapene, 90.10% | 135889-00-8 Cefcapene|C4X-18245|135889-00-8 https://www.jk-sci.com/products/ts246cs-0063823 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a2e7ba467073bf27c63565b5a1144fe.jpg?v=1791674916 3-Methoxy-4-(trifluoromethyl)benzoic acid, 98% | 276861-63-3 3-Methoxy-4-(trifluoromethyl)benzoic acid|CS-0063823|276861-63-3 https://www.jk-sci.com/products/ts246cs-0063186 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fb240cc2fe8868b4e2a02a90cd1e337.jpg?v=1791675033 3-Methyl-1,2,5-oxadiazole, 95% | 26178-14-3 3-Methyl-1,2,5-oxadiazole|CS-0063186|26178-14-3 https://www.jk-sci.com/products/ts246cs-0063888 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212801.png?v=1791674850 2-(Methylthio)nicotinic acid, 98% | 74470-23-8 2-(Methylthio)nicotinic acid|CS-0063888|74470-23-8 https://www.jk-sci.com/products/s57c4x-182628 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4eb3fd2f-b604-4a42-861d-ea750c952ff7.png?v=1791713450 Iguratimod Impurity 28 HCl, 93.80% Iguratimod Impurity 28 HCl|C4X-182628 https://www.jk-sci.com/products/ts246cs-0063929 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a49abfa9bf25c567377dc30a3e5da40.jpg?v=1791674804 2,2,2-Trifluoro-1-(pyridin-3-yl)ethanone, 95.00%+ | 33284-21-8 2,2,2-Trifluoro-1-(pyridin-3-yl)ethanone|CS-0063929|33284-21-8 https://www.jk-sci.com/products/s57c4x-182646 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9c3ecf00-4f85-455d-8180-7fb5cdd1d836.png?v=1791713443 Iguratimod Impurity 46, 98.10% Iguratimod Impurity 46|C4X-182646 https://www.jk-sci.com/products/ts246cs-0064123 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c42d4d9dd76b9f2eda8adaf993dd97b.jpg?v=1791674738 5-Methyl-2-oxo-1,2-dihydropyridine-3-carbaldehyde, 98% | 1227575-72-5 5-Methyl-2-oxo-1,2-dihydropyridine-3-carbaldehyde|CS-0064123|1227575-72-5 https://www.jk-sci.com/products/ts246cs-0064215 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fb6cd0e4af4d965939753d74ec43c2e.jpg?v=1791674729 (R)-N-(2-(4-Isopropyl-4,5-dihydrooxazol-2-yl)-6-methylphenyl)methanesulfonamide, 98% | 871360-40-6 (R)-N-(2-(4-Isopropyl-4,5-dihydrooxazol-2-yl)-6-methylphenyl)methanesulfonamide|CS-0064215|871360-40-6 https://www.jk-sci.com/products/ts246cs-0064489 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa878ea5a31710110845fbaa44809f57.jpg?v=1791674718 DTBT, 98% | 165190-76-1 DTBT|CS-0064489|165190-76-1 https://www.jk-sci.com/products/ts246cs-0064637 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_246d5f69-7dba-4f51-b393-fc1f8740b8a1.png?v=1791674711 Dextran sulfate sodium salt (MW 5000), 98% | 9011-18-1 Dextran sulfate sodium salt (MW 5000)|CS-0064637|9011-18-1 https://www.jk-sci.com/products/s57c4x-182657 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eba5fe8ae2bc1d85346be753ef0ac761_8c447dd1-1fd0-4283-bf3e-182704a24c89.jpg?v=1791713439 Iguratimod Impurity 57, Purity: 98.4% | 149457-04-5 Iguratimod Impurity 57|C4X-182657|149457-04-5 https://www.jk-sci.com/products/ts246cs-0064676 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d5a3d76a2ea32a4ab774953163057c6.jpg?v=1791674703 3-Chloro-5-fluoropyridin-2(1H)-one, 97% | 1214345-43-3 3-Chloro-5-fluoropyridin-2(1H)-one|CS-0064676|1214345-43-3 https://www.jk-sci.com/products/s57c4x-18271 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518562_fb2722eb-308e-41a6-a6b5-2b3fef244846.png?v=1791713435 Methionine Impurity 1, 100.00% | 1509-92-8 Methionine Impurity 1|C4X-18271|1509-92-8 https://www.jk-sci.com/products/s57c4x-182915 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91037b758da12334c0b35ee6a2d1befd.jpg?v=1791713422 Letrozole Impurity 15, 93.10% | 74231-65-5 Letrozole Impurity 15|C4X-182915|74231-65-5 https://www.jk-sci.com/products/s57c4x-182939 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/152497_b82677a5-4a5e-4d41-ba07-6fd37aad5e0e.png?v=1791713413 Letrozole Impurity 39, Purity: 99.4% | 28188-41-2 Letrozole Impurity 39|C4X-182939|28188-41-2 https://www.jk-sci.com/products/ts246cs-0064745 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74b48fc6c7c67c44416796e98fbdb0fd.jpg?v=1791674693 Tr-PEG2-OH, 98% | 105589-77-3 Tr-PEG2-OH|CS-0064745|105589-77-3 https://www.jk-sci.com/products/ts246cs-0064935 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38af964451cdb5b7889daab699d59a13.jpg?v=1791674683 2-Chloro-5-(ethoxymethyl)pyridine, 98.00%+ | 871829-50-4 2-Chloro-5-(ethoxymethyl)pyridine|CS-0064935|871829-50-4 https://www.jk-sci.com/products/ts246cs-0065167 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ae770236445b22224308a4dc6113e46.jpg?v=1791674677 7-Coumaryl triflate, 98.96%+ | 108530-10-5 7-Coumaryl triflate|CS-0065167|108530-10-5 https://www.jk-sci.com/products/ts246cs-0065213 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/424984.png?v=1791674668 DAO-IN-2, 97% | 39793-31-2 DAO-IN-2|CS-0065213|39793-31-2 https://www.jk-sci.com/products/s57c4x-183010 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bba6adfbb11b84910adcea8d26b656a8.jpg?v=1791713413 Lacosamide EP Impurity F (R-isomer), 99.40% | 175481-38-6 Lacosamide EP Impurity F (R-isomer)|C4X-183010|175481-38-6 https://www.jk-sci.com/products/ts246cs-0065296 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275058.png?v=1791674659 Methyl 4-chloro-2-fluorobenzoate, 98% | 148893-72-5 Methyl 4-chloro-2-fluorobenzoate|CS-0065296|148893-72-5 https://www.jk-sci.com/products/ts246cs-0065483 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575177.png?v=1791674649 5,6,7,8-Tetrahydro-2-naphthoic acid, 98% | 1131-63-1 5,6,7,8-Tetrahydro-2-naphthoic acid|CS-0065483|1131-63-1 https://www.jk-sci.com/products/ts246cs-0065796 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d15becf344ed5c9b87e7d97e8690a05.jpg?v=1791674642 m-PEG6-azide, 98.00%+ | 1043884-49-6 m-PEG6-azide|CS-0065796|1043884-49-6 https://www.jk-sci.com/products/ts246cs-0067113 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482039.png?v=1791674577 (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-cyanophenyl)propanoic acid, 95% | 401933-16-2 (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-cyanophenyl)propanoic acid|CS-0067113|401933-16-2 https://www.jk-sci.com/products/ts246cs-0067155 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a94e5b92027402328af8199ce939eec7.jpg?v=1791674546 4,6-Dichlorothieno[2,3-b]pyridine, 98% | 99429-80-8 4,6-Dichlorothieno[2,3-b]pyridine|CS-0067155|99429-80-8 https://www.jk-sci.com/products/s57c4x-183050 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51e1816d42584191c21182a3134754ee.jpg?v=1791713395 Lacosamide Impurity 50, Purity: 94.1% | 2295925-92-5 Lacosamide Impurity 50|C4X-183050|2295925-92-5 https://www.jk-sci.com/products/s57c4x-18302 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0aaee64051d892e07fef590042efd5e.jpg?v=1791713401 Lacosamide EP Impurity I(R-Isomer), 99.50% | 2295925-90-3 Lacosamide EP Impurity I(R-Isomer)|C4X-18302|2295925-90-3 https://www.jk-sci.com/products/s57c4x-183052 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f94e90dc-1874-4dae-a773-94f93815036d.png?v=1791713390 Lacosamide Impurity 52, Purity: 99.9% Lacosamide Impurity 52|C4X-183052 https://www.jk-sci.com/products/ts246cs-0067288 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6390eab9af463b8bed06c47e55e4047a.jpg?v=1791674515 2,2-Dimethylpiperidin-4-ol hydrochloride, 97.00%+ | 1420671-18-6 2,2-Dimethylpiperidin-4-ol hydrochloride|CS-0067288|1420671-18-6 https://www.jk-sci.com/products/ts246cs-0067390 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a02fbd618e06f802f19dff29abab5e5.jpg?v=1791674492 3,4-Dimethoxy-2-nitrobenzaldehyde, 98.00%+ | 55149-84-3 3,4-Dimethoxy-2-nitrobenzaldehyde|CS-0067390|55149-84-3 https://www.jk-sci.com/products/ts246cs-0061781 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5db89e6d317d15bc829b57e17d6e7d0f.jpg?v=1791675546 2-(Methylamino)pyridine-3-carbaldehyde, 97% | 32399-08-9 2-(Methylamino)pyridine-3-carbaldehyde|CS-0061781|32399-08-9 https://www.jk-sci.com/products/ts246cs-0067414 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c65bdeb816879a9392fcf7669f9d226.jpg?v=1791674481 3,4-Dihydrobenzofuro[2,3-c]pyridine, 98% | 97456-65-0 3,4-Dihydrobenzofuro[2,3-c]pyridine|CS-0067414|97456-65-0 https://www.jk-sci.com/products/ts246cs-0061968 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d94c4c0f60c5ce9991cb6466efaf6385.jpg?v=1791675372 4-(4-Methoxyphenyl)tetrahydro-2H-pyran-4-carbonitrile, 98% | 3648-78-0 4-(4-Methoxyphenyl)tetrahydro-2H-pyran-4-carbonitrile|CS-0061968|3648-78-0 https://www.jk-sci.com/products/ts246cs-0062228 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23c0bda8d7cc95697c0ebed74fef5f35.jpg?v=1791675221 (Sa,S)-DTB-Ph-SIPHOX, 95% | 1040274-12-1 (Sa,S)-DTB-Ph-SIPHOX|CS-0062228|1040274-12-1 https://www.jk-sci.com/products/ts246cs-0063565 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0611e508c9715ffdb79142db6e6c27c5.jpg?v=1791674962 Biotin-PEG2-C6-azide, 95% | 1011268-29-3 Biotin-PEG2-C6-azide|CS-0063565|1011268-29-3 https://www.jk-sci.com/products/ts246cs-0063137 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a8c49408692f106001e0e79769e8896.jpg?v=1791675080 4,4,5,5-Tetramethyl-2-(4-(naphthalen-2-yl)phenyl)-1,3,2-dioxaborolane, 97.00%+ | 1092390-02-7 4,4,5,5-Tetramethyl-2-(4-(naphthalen-2-yl)phenyl)-1,3,2-dioxaborolane|CS-0063137|1092390-02-7 https://www.jk-sci.com/products/ts246cs-0063857 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e2599b3505375baceda4a4d368add06.jpg?v=1791674881 (2-Amino-5-fluorophenyl)boronic acid, 95% | 1040400-87-0 (2-Amino-5-fluorophenyl)boronic acid|CS-0063857|1040400-87-0 https://www.jk-sci.com/products/ts246cs-0063812 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/320158.png?v=1791674931 2-Tosylacetonitrile, 98% | 5697-44-9 2-Tosylacetonitrile|CS-0063812|5697-44-9 https://www.jk-sci.com/products/ts246cs-0063939 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc6af3892e59ecd072b9da9d44b64c7c.jpg?v=1791674788 5-Fluoro-3-methyl-1H-indole, 97% | 392-13-2 5-Fluoro-3-methyl-1H-indole|CS-0063939|392-13-2 https://www.jk-sci.com/products/s57c4x-183211 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d52bfa90-7d5e-4e1b-8d12-0c03bba109b2.png?v=1791713379 Iopromide Impurity 11, 98.20% Iopromide Impurity 11|C4X-183211 https://www.jk-sci.com/products/s57c4x-18326 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6af6139ffa8d12c04df92a99616008e7.jpg?v=1791713372 Iopromide EP Impurity F (Mixture of Diastereomers), 98.40% | 154361-54-3 Iopromide EP Impurity F (Mixture of Diastereomers)|C4X-18326|154361-54-3 https://www.jk-sci.com/products/ts246cs-0064177 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f233e1a55f2f863ddadcbffb914f53b.jpg?v=1791674729 Bis-propargyl-PEG6, 95% | 400775-35-1 Bis-propargyl-PEG6|CS-0064177|400775-35-1 https://www.jk-sci.com/products/ts246cs-0064542 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5415e4e6aa0ed3acd4cf396befb14c4.jpg?v=1791674713 (E)-1,3-Diphenylprop-2-en-1-ol, 98% | 62668-02-4 (E)-1,3-Diphenylprop-2-en-1-ol|CS-0064542|62668-02-4 https://www.jk-sci.com/products/ts246cs-0064958 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b680040223ac66d769e1121083645666.jpg?v=1791674683 (R)-6-(Propyl(2-(thiophen-2-yl)ethyl)amino)-5,6,7,8-tetrahydronaphthalen-1-ol (hydrochloride), 98% | 125572-92-1 (R)-6-(Propyl(2-(thiophen-2-yl)ethyl)amino)-5,6,7,8-tetrahydronaphthalen-1-ol (hydrochloride)|CS-0064958|125572-92-1 https://www.jk-sci.com/products/ts246cs-0064717 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e558180527834300d8ae5b3a8a6b5c64.jpg?v=1791674698 1,4-Diazaspiro[5.5]undecan-3-one, 97% | 1547757-91-4 1,4-Diazaspiro[5.5]undecan-3-one|CS-0064717|1547757-91-4 https://www.jk-sci.com/products/s57c4x-183328 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0a01167e-e6ad-49a1-9a9c-3a342b163387.png?v=1791713366 Peramivir Impurity 16 DiHCl, 97.80% Peramivir Impurity 16 DiHCl|C4X-183328 https://www.jk-sci.com/products/s57c4x-183349 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b191475348abea864198bec3b4074f03.jpg?v=1791713358 Peramivir Impurity 49 HCl, 97.50% | 229614-17-9 Peramivir Impurity 49 HCl|C4X-183349|229614-17-9 https://www.jk-sci.com/products/s57c4x-183364 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3ea1f4d1-30b7-4543-af26-9a3e46aa0627.png?v=1791713352 Peramivir Impurity 13 HCl, 98.80% Peramivir Impurity 13 HCl|C4X-183364 https://www.jk-sci.com/products/s57c4x-183377 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_303711c0-0967-437b-8297-5f0c1c701f55.png?v=1791713344 Peramivir Impurity 15 Formate, 85.10% Peramivir Impurity 15 Formate|C4X-183377 https://www.jk-sci.com/products/s57c4x-183416 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2dd1732c887c283447abf7f2e103993.jpg?v=1791713339 Nitrendipine Impurity 16, 99.60% | 40641-47-2 Nitrendipine Impurity 16|C4X-183416|40641-47-2 https://www.jk-sci.com/products/s57c4x-183511 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cba8512052b0f5e8fc8bad6ac8aa316_6eb09f17-ee74-4c06-bf7d-f775990d5554.jpg?v=1791713328 4,5-Dichloroquinoline, Purity: 99.8% | 21617-18-5 4,5-Dichloroquinoline|C4X-183511|21617-18-5 https://www.jk-sci.com/products/ts246cs-0065266 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72a1b2f0a3971b8140c75980b2ef7409.jpg?v=1791674663 (4-(3-Fluorophenoxy)phenyl)boronic acid, 97.00%+ | 1029438-36-5 (4-(3-Fluorophenoxy)phenyl)boronic acid|CS-0065266|1029438-36-5 https://www.jk-sci.com/products/ts246cs-0065515 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/468438.png?v=1791674644 2-Benzoylthiophene, 98% | 135-00-2 2-Benzoylthiophene|CS-0065515|135-00-2 https://www.jk-sci.com/products/s57c4x-18353 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341943.png?v=1791713323 Hydroxychloroquine EP Impurity C, Purity: 99.8% | 4298-15-1 Hydroxychloroquine EP Impurity C|C4X-18353|4298-15-1 https://www.jk-sci.com/products/s57c4x-18356 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca66a57d72927b5c07be40cb27a890c3.jpg?v=1791713314 Hydroxychloroquine EP Impurity F, 94.00% | 6281-58-9 Hydroxychloroquine EP Impurity F|C4X-18356|6281-58-9 https://www.jk-sci.com/products/ts246cs-0067350 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a59c153b6f61d5eb145a8df17ceb371.jpg?v=1791674505 8-Bromo-4-hydroxyquinolin-2(1H)-one, 97.00%+ | 54675-27-3 8-Bromo-4-hydroxyquinolin-2(1H)-one|CS-0067350|54675-27-3 https://www.jk-sci.com/products/ts246cs-0067144 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223163.png?v=1791674555 3-(Trifluoromethyl)cyclohexanone, 97% | 585-36-4 3-(Trifluoromethyl)cyclohexanone|CS-0067144|585-36-4 https://www.jk-sci.com/products/ts246cs-0067472 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad83317173c039989bdea2539be40909.jpg?v=1791674466 tert-Butyl 1-(chloromethyl)-5-hydroxy-1H-benzo[e]indole-3(2H)-carboxylate, 97.63%+ | 122745-41-9 tert-Butyl 1-(chloromethyl)-5-hydroxy-1H-benzo[e]indole-3(2H)-carboxylate|CS-0067472|122745-41-9 https://www.jk-sci.com/products/ts246cs-0067515 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d75be15310bf3c34a83c6ad2fd05b518.jpg?v=1791674454 3,5-Dibromopyridazine, 98% | 1196155-35-7 3,5-Dibromopyridazine|CS-0067515|1196155-35-7 https://www.jk-sci.com/products/ts246cs-0067554 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124396.png?v=1791674444 (3-Fluoro-5-(methoxycarbonyl)phenyl)boronic acid, 98% | 871329-62-3 (3-Fluoro-5-(methoxycarbonyl)phenyl)boronic acid|CS-0067554|871329-62-3 https://www.jk-sci.com/products/s57c4x-183574 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254ed655afdccc6bc681bfb8432357c2.jpg?v=1791713306 Hydroxychloroquine Impurity 74, Purity: 96.1% | 2411340-32-2 Hydroxychloroquine Impurity 74|C4X-183574|2411340-32-2 https://www.jk-sci.com/products/ts246cs-0067638 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382228.png?v=1791674435 Nortriptyline, 98% | 72-69-5 Nortriptyline|CS-0067638|72-69-5 https://www.jk-sci.com/products/ts246cs-0067783 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c30d9090823105e7a6d3c9ca1522acd.jpg?v=1791674413 Methyl (R)-2-((tert-butoxycarbonyl)amino)-3-(4-iodophenyl)propanoate, 98% | 210962-91-7 Methyl (R)-2-((tert-butoxycarbonyl)amino)-3-(4-iodophenyl)propanoate|CS-0067783|210962-91-7 https://www.jk-sci.com/products/ts246cs-0067759 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256fab473a1cf37aeb5da456b76bca57.jpg?v=1791674423 2-Isopropylbenzo[d]thiazol-6-ol, 98% | 1216116-02-7 2-Isopropylbenzo[d]thiazol-6-ol|CS-0067759|1216116-02-7 https://www.jk-sci.com/products/ts246cs-0067747 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7757841a32098da65cfdf4d10ebd0ccb.jpg?v=1791674428 5-Bromo-4-ethoxy-2-((4-methoxybenzyl)oxy)pyridine, 97% | 1627857-11-7 5-Bromo-4-ethoxy-2-((4-methoxybenzyl)oxy)pyridine|CS-0067747|1627857-11-7 https://www.jk-sci.com/products/ts246cs-0067809 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458498.png?v=1791674407 2-(pyridin-4-yl)benzaldehyde, 97% | 176526-00-4 2-(pyridin-4-yl)benzaldehyde|CS-0067809|176526-00-4 https://www.jk-sci.com/products/ts246cs-0067819 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381713.png?v=1793049259 2-Tosylacetic acid, 98% | 3937-96-0 2-Tosylacetic acid|CS-0067819|3937-96-0 https://www.jk-sci.com/products/ts246cs-0067857 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137156.png?v=1791674382 Ethyl 3-(2-furyl)-3-oxopropanoate, 97% | 615-09-8 Ethyl 3-(2-furyl)-3-oxopropanoate|CS-0067857|615-09-8 https://www.jk-sci.com/products/ts246cs-0068013 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525734.png?v=1791674324 4-Cyclohexylbenzene-1-sulfonyl chloride, 95% | 56354-57-5 4-Cyclohexylbenzene-1-sulfonyl chloride|CS-0068013|56354-57-5 https://www.jk-sci.com/products/ts246cs-0067890 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38386c1b6e41804875262f900c7509ff.jpg?v=1791674368 (4-Benzylmorpholin-3-yl)methanol, 97% | 110167-20-9 (4-Benzylmorpholin-3-yl)methanol|CS-0067890|110167-20-9 https://www.jk-sci.com/products/ts246cs-0068579 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0e3b66195492355a8841b286e68a686.jpg?v=1791674269 Propargyl-PEG2-NHBoc, 95% | 869310-84-9 Propargyl-PEG2-NHBoc|CS-0068579|869310-84-9 https://www.jk-sci.com/products/s57c4x-183621 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b22b80b9-e19b-41d9-841a-d80f16f9959e.png?v=1791713299 Torasemide Nitroso Impurity 21, 96.00% Torasemide Nitroso Impurity 21|C4X-183621 https://www.jk-sci.com/products/ts246cs-0067985 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470341.png?v=1791674334 2-Hydroxy-5-(trifluoromethoxy)benzoic acid, 95% | 129644-57-1 2-Hydroxy-5-(trifluoromethoxy)benzoic acid|CS-0067985|129644-57-1 https://www.jk-sci.com/products/ts246cs-0068117 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5505c6e489d519a8e9d01197c93a30fc.jpg?v=1791674292 9-Ethyladenine, 97% | 2715-68-6 9-Ethyladenine|CS-0068117|2715-68-6 https://www.jk-sci.com/products/ts246cs-0067900 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5392cb09d1204702897ed537037e3b41.jpg?v=1791674356 1-Bromo-2-(methylsulfonyl)benzene, 98% | 33951-33-6 1-Bromo-2-(methylsulfonyl)benzene|CS-0067900|33951-33-6 https://www.jk-sci.com/products/ts246cs-0068650 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494597_db28625a-323f-45cf-8c99-28336ab8ccf4.png?v=1791674259 Disuccinimidyl sebacate, 97% | 23024-29-5 Disuccinimidyl sebacate|CS-0068650|23024-29-5 https://www.jk-sci.com/products/ts246cs-0068829 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d35880cf372408f2290267cd2c4e5556.jpg?v=1791674236 1-(1,1-Difluoroethyl)-3-nitrobenzene, 98.00%+ | 40788-04-3 1-(1,1-Difluoroethyl)-3-nitrobenzene|CS-0068829|40788-04-3 https://www.jk-sci.com/products/ts246cs-0068242 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2628486b2f2ec8eed735e957bbda654.jpg?v=1791674279 1-Methoxy-4-((prop-2-yn-1-yloxy)methyl)benzene, 97% | 4039-83-2 1-Methoxy-4-((prop-2-yn-1-yloxy)methyl)benzene|CS-0068242|4039-83-2 https://www.jk-sci.com/products/s57c4x-18367 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e453a91f80180d349d00f4ef958eb3d4.jpg?v=1791713294 Torasemide Impurity 7, 96.20% | 106944-62-1 Torasemide Impurity 7|C4X-18367|106944-62-1 https://www.jk-sci.com/products/ts246cs-0069003 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331959.png?v=1791674220 9-Chloro-1,2,3,4-tetrahydroacridine, 96% | 5396-30-5 9-Chloro-1,2,3,4-tetrahydroacridine|CS-0069003|5396-30-5 https://www.jk-sci.com/products/ts246cs-0061892 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3ef392979946ace2522b48be410fada.jpg?v=1791675446 2,6-dibromo-3-methoxypyridine, 98% | 79491-45-5 2,6-dibromo-3-methoxypyridine|CS-0061892|79491-45-5 https://www.jk-sci.com/products/ts246cs-0062417 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebc1ca4507b3c4142d005ee067c3dba3.jpg?v=1791675176 6-bromocinnolin-4-ol, 95.00%+ | 876-88-0 6-bromocinnolin-4-ol|CS-0062417|876-88-0 https://www.jk-sci.com/products/s57c4x-183814 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4899f908-6442-4a69-b562-49160303b5cd.png?v=1791713272 Betahistine Impurity4 HCl, 81.70% Betahistine Impurity4 HCl|C4X-183814 https://www.jk-sci.com/products/ts246cs-0064315 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315454.png?v=1791674729 H-Tyr-Tyr-OH, 97% | 1050-28-8 H-Tyr-Tyr-OH|CS-0064315|1050-28-8 https://www.jk-sci.com/products/s57c4x-183823 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608883_0476474c-88de-456f-84a1-65d427a0e2f8.png?v=1791713267 Betahistine, 98.40% | 5638-76-6 Betahistine|C4X-183823|5638-76-6 https://www.jk-sci.com/products/s57c4x-18373 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/624a2b549681de9ebdd05cef28679a51.jpg?v=1791713286 Clemastine EP Impurity C, Purity: 95.3% | 59767-24-7 Clemastine EP Impurity C|C4X-18373|59767-24-7 https://www.jk-sci.com/products/ts246cs-0063894 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad9430f0e42866306361c3d2ea673df5.jpg?v=1791674841 2-Bromo-1-methyl-1H-benzo[d]imidazole, 97% | 49572-60-3 2-Bromo-1-methyl-1H-benzo[d]imidazole|CS-0063894|49572-60-3 https://www.jk-sci.com/products/s57c4x-18377 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0d4464a2573d1c45ffec7893ddb238a.jpg?v=1791713280 Clemastine Impurity 7 Fumarate (R,S-isomer), 98.30% | 61826-30-0 Clemastine Impurity 7 Fumarate (R,S-isomer)|C4X-18377|61826-30-0 https://www.jk-sci.com/products/ts246cs-0064750 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216498.png?v=1791674691 (3aS,4S,6R,6aR)-6-Methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carboxylic acid, 97% | 54622-95-6 (3aS,4S,6R,6aR)-6-Methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carboxylic acid|CS-0064750|54622-95-6 https://www.jk-sci.com/products/ts246cs-0065322 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285614_edc0feb6-9095-4a9f-9d25-c7e4e6b28b0b.png?v=1791674654 2-(4-Bromophenyl)benzo[d]thiazole, 99.89%+ | 19654-19-4 2-(4-Bromophenyl)benzo[d]thiazole|CS-0065322|19654-19-4 https://www.jk-sci.com/products/ts246cs-0067514 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e21ffce8d482831c16dc34c79c3fd91a.jpg?v=1791674455 (R)-1,3-Dimethylpiperazine dihydrochloride, 97% | 1152110-26-3 (R)-1,3-Dimethylpiperazine dihydrochloride|CS-0067514|1152110-26-3 https://www.jk-sci.com/products/ts246cs-0067163 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/412525.png?v=1793049283 (Iodomethyl)trimethylsilane, 97% | 4206-67-1 (Iodomethyl)trimethylsilane|CS-0067163|4206-67-1 https://www.jk-sci.com/products/ts246cs-0067756 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607732_a59ff44f-f4d1-458f-9f00-31567a981529.png?v=1793049264 Cyclopropyldiphenylsulfonium tetrafluoroborate, 98% | 33462-81-6 Cyclopropyldiphenylsulfonium tetrafluoroborate|CS-0067756|33462-81-6 https://www.jk-sci.com/products/ts246cs-0067585 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bc7a2509be1c5f66caef49d8c490f1f.jpg?v=1793049264 Diethyl 2,4,6-trimethyl-1,4-dihydropyridine-3,5-dicarboxylate, 98.00%+ | 632-93-9 Diethyl 2,4,6-trimethyl-1,4-dihydropyridine-3,5-dicarboxylate|CS-0067585|632-93-9 https://www.jk-sci.com/products/ts246cs-0067789 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43b53387725f8bd48654823c642a9da6.jpg?v=1791674413 1,3-Di-tert-butyl-1H-imidazol-3-ium tetrafluoroborate, 98% | 263163-17-3 1,3-Di-tert-butyl-1H-imidazol-3-ium tetrafluoroborate|CS-0067789|263163-17-3 https://www.jk-sci.com/products/ts246cs-0067986 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/219656.png?v=1791674335 2-Hydrazono-2,3-dihydro-1H-benzo[d]imidazole, 95% | 15108-18-6 2-Hydrazono-2,3-dihydro-1H-benzo[d]imidazole|CS-0067986|15108-18-6 https://www.jk-sci.com/products/ts246cs-0067895 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f475de59089167ccf1833ce04769457e.jpg?v=1791674362 2-Amino-5-bromo-3-methylbenzoic acid, 95% | 206548-13-2 2-Amino-5-bromo-3-methylbenzoic acid|CS-0067895|206548-13-2 https://www.jk-sci.com/products/s57c4x-18387 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2426322236878e2956cd9440bf32c655.jpg?v=1791713256 Betahistine EP Impurity C, 98.00% | 5452-87-9 Betahistine EP Impurity C|C4X-18387|5452-87-9 https://www.jk-sci.com/products/ts246cs-0068124 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518232.png?v=1791674291 N,N-Dimethyl-L-valine, 97% | 2812-32-0 N,N-Dimethyl-L-valine|CS-0068124|2812-32-0 https://www.jk-sci.com/products/ts246cs-0068648 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/545930_78dbbfa3-8b46-419c-a9fa-d471dc021cc2.png?v=1791674259 1,4-D-Gulonolactone, 98% | 6322-07-2 1,4-D-Gulonolactone|CS-0068648|6322-07-2 https://www.jk-sci.com/products/s57c4x-18395 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19af78a9-11cc-4d57-8913-d9905e9c18e7.png?v=1791713246 Bepotastine Impurity 5, 93.80% Bepotastine Impurity 5|C4X-18395 https://www.jk-sci.com/products/s57c4x-184023 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f4f250faf827f889b60279aa2816552.jpg?v=1791713240 Epinastine Impurity 23, 95.30% | 439288-43-4 Epinastine Impurity 23|C4X-184023|439288-43-4 https://www.jk-sci.com/products/ts246cs-0069216 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c439d57d9d10095307549ea78e2def3b.jpg?v=1791674204 Antioxidant agent-4, 96% | 50901-34-3 Antioxidant agent-4|CS-0069216|50901-34-3 https://www.jk-sci.com/products/ts246cs-0068999 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d0b1a0ca85f36056674eca3f9ba4102.jpg?v=1791674220 Methyl 5-amino-3-bromo-2-methylbenzoate, 95% | 1374264-44-4 Methyl 5-amino-3-bromo-2-methylbenzoate|CS-0068999|1374264-44-4 https://www.jk-sci.com/products/s57c4x-184025 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8829e991-4d46-42f2-890f-58e1ae998dcc.png?v=1791713236 Epinastine Impurity 25, 99.50% Epinastine Impurity 25|C4X-184025 https://www.jk-sci.com/products/ts246cs-0069258 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0908461e604c5ea45b10ffd63bf02835.jpg?v=1791674198 tert-Butyl 7-(benzyloxy)-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate, 95% | 1262132-96-6 tert-Butyl 7-(benzyloxy)-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate|CS-0069258|1262132-96-6 https://www.jk-sci.com/products/s57c4x-184031 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89901bcd36793a0c9e98bbb786be33da.jpg?v=1791713232 Epinastine Impurity 31, 98.30% | 143878-20-0 Epinastine Impurity 31|C4X-184031|143878-20-0 https://www.jk-sci.com/products/ts246cs-0069301 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf6b4faca8fcb14939af464d9beffd1a.jpg?v=1791674183 Tert-butyl 2,4-dichloronicotinate, 97% | 1262132-92-2 Tert-butyl 2,4-dichloronicotinate|CS-0069301|1262132-92-2 https://www.jk-sci.com/products/s57c4x-184029 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ad47f3c-8c5c-4473-8c79-8579c0380507.png?v=1791713233 Epinastine Impurity 29, 99.70% Epinastine Impurity 29|C4X-184029 https://www.jk-sci.com/products/ts246cs-0069588 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274246.png?v=1791674162 2,3-Dihydro-1H-inden-4-amine, 96% | 32202-61-2 2,3-Dihydro-1H-inden-4-amine|CS-0069588|32202-61-2 https://www.jk-sci.com/products/ts246cs-0069646 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213883.png?v=1791674151 tert-Butyl 4-methylpiperidine-1-carboxylate, 97.00%+ | 123387-50-8 tert-Butyl 4-methylpiperidine-1-carboxylate|CS-0069646|123387-50-8 https://www.jk-sci.com/products/ts246cs-0069832 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234165.png?v=1791674135 1-Phenylpiperidin-4-ol, 97% | 117896-69-2 1-Phenylpiperidin-4-ol|CS-0069832|117896-69-2 https://www.jk-sci.com/products/ts246cs-0069731 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568691.png?v=1791674145 1-Methyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid, 96% | 305381-67-3 1-Methyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid|CS-0069731|305381-67-3 https://www.jk-sci.com/products/ts246cs-0070268 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc0ac61964382a28bfdec7b2f8a9bfb5.jpg?v=1791674093 3-Benzyl-3,8-diazabicyclo[3.2.1]octane dihydrochloride, 97% | 93428-54-7 3-Benzyl-3,8-diazabicyclo[3.2.1]octane dihydrochloride|CS-0070268|93428-54-7 https://www.jk-sci.com/products/ts246cs-0070395 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15dde32dd9f96a1072645240fafc1938.jpg?v=1791674081 6-Morpholin-4-ylpyridazine-3-carboxylic acid, 97% | 914637-36-8 6-Morpholin-4-ylpyridazine-3-carboxylic acid|CS-0070395|914637-36-8 https://www.jk-sci.com/products/s57c4x-18406 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b97c97ee953fb99c0c9cbdabab270103.jpg?v=1791713224 Epinastine EP Impurity A, 99.30% | 706753-75-5 Epinastine EP Impurity A|C4X-18406|706753-75-5 https://www.jk-sci.com/products/s57c4x-184212 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622273.png?v=1791713218 Paclitaxel EP Impurity L, 98.60% | 92950-39-5 Paclitaxel EP Impurity L|C4X-184212|92950-39-5 https://www.jk-sci.com/products/ts246cs-0070492 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0eee369512922a21065d8b6e25c24cd.jpg?v=1791674078 Ethyl 3-amino-5-methoxy-1H-indole-2-carboxylate, 97% | 89607-80-7 Ethyl 3-amino-5-methoxy-1H-indole-2-carboxylate|CS-0070492|89607-80-7 https://www.jk-sci.com/products/ts246cs-0070750 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f484d4d7a73f97d6e109409ec4f2c74.jpg?v=1791674052 4-(Methylamino)pyridine-2-carboxylic acid, 95% | 872696-24-7 4-(Methylamino)pyridine-2-carboxylic acid|CS-0070750|872696-24-7 https://www.jk-sci.com/products/ts246cs-0070624 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323756_1c52703c-5e30-4226-af7a-b075f86c28b3.png?v=1791674062 Methyl 2-aminoimidazo[1,2-a]pyridine-6-carboxylate, 97% | 885272-05-9 Methyl 2-aminoimidazo[1,2-a]pyridine-6-carboxylate|CS-0070624|885272-05-9 https://www.jk-sci.com/products/s57c4x-184210 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eba9621f-e4a8-424b-85c3-e5cabce73e31.png?v=1791713220 Paclitaxel EP Impurity J, 98.50% Paclitaxel EP Impurity J|C4X-184210 https://www.jk-sci.com/products/ts246cs-0070916 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a8b832e7e344c756fd00665c0422309.jpg?v=1791674035 1-[4-(2,4-Difluorobenzoyl)piperidin-1-yl]ethan-1-one, 97% | 84162-82-3 1-[4-(2,4-Difluorobenzoyl)piperidin-1-yl]ethan-1-one|CS-0070916|84162-82-3 https://www.jk-sci.com/products/s57c4x-184215 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efff2f4898e928e8755f4f6a7c5e1745.jpg?v=1791713214 Paclitaxel EP Impurity A, 92.10% | 173101-54-7 Paclitaxel EP Impurity A|C4X-184215|173101-54-7 https://www.jk-sci.com/products/ts246cs-0071058 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfaa15e713d74be7ffe20207fb5821db.jpg?v=1791674007 (1-Benzyl-2-phenylethyl)amine hydrochloride, 98% | 7763-96-4 (1-Benzyl-2-phenylethyl)amine hydrochloride|CS-0071058|7763-96-4 https://www.jk-sci.com/products/ts246cs-0070986 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488383.png?v=1791674018 1-(4-Chlorophenyl)cyclopentane-1-carboxylic acid, 97% | 80789-69-1 1-(4-Chlorophenyl)cyclopentane-1-carboxylic acid|CS-0070986|80789-69-1 https://www.jk-sci.com/products/s57c4x-184228 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc970b0ffa60bee285e9576e77b60fb3.jpg?v=1791713204 Paclitaxel Impurity 28, 99.90% | 32981-85-4 Paclitaxel Impurity 28|C4X-184228|32981-85-4 https://www.jk-sci.com/products/s57c4x-184219 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df3f4ff4bc15e47038146feabee8964e.jpg?v=1791713210 2-Debenzoyl Paclitaxel 2-Pentanoate, 96.80% | 213767-22-7 2-Debenzoyl Paclitaxel 2-Pentanoate|C4X-184219|213767-22-7 https://www.jk-sci.com/products/s57c4x-184226 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee650f87c95da7810ad78e1bed92f16.jpg?v=1791713209 Paclitaxel Photodegradant, 94.90% | 146139-03-9 Paclitaxel Photodegradant|C4X-184226|146139-03-9 https://www.jk-sci.com/products/s57c4x-184246 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5ddec6b25efa416e1536e2b33f0837d.jpg?v=1791713200 10-Deacetyl Cephalomannine, 92.60% | 76429-85-1 10-Deacetyl Cephalomannine|C4X-184246|76429-85-1 https://www.jk-sci.com/products/ts246cs-0071201 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411341.png?v=1791673990 2-(3-Methoxyphenoxy)propanoic acid, 98% | 7309-52-6 2-(3-Methoxyphenoxy)propanoic acid|CS-0071201|7309-52-6 https://www.jk-sci.com/products/ts246cs-0071091 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557815.png?v=1791674000 3-(1H-1,2,4-Triazol-1-yl)propanoic acid, 97% | 76686-84-5 3-(1H-1,2,4-Triazol-1-yl)propanoic acid|CS-0071091|76686-84-5 https://www.jk-sci.com/products/ts246cs-0071212 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eca0ef70253072fcd238f22eac16493e.jpg?v=1791673984 4-(((4-(2-Chlorophenoxy)phenyl)sulfonamido)methyl)benzoic acid, 97% | 727689-54-5 4-(((4-(2-Chlorophenoxy)phenyl)sulfonamido)methyl)benzoic acid|CS-0071212|727689-54-5 https://www.jk-sci.com/products/s57c4x-184256 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e024b8ab72ae241e02a3429e0ffcbbf.jpg?v=1791713199 19-Hydroxy Paclitaxel, 93.00% | 409319-62-6 19-Hydroxy Paclitaxel|C4X-184256|409319-62-6 https://www.jk-sci.com/products/ts246cs-0071234 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484047.png?v=1791673975 2-(5-Fluoro-2-methyl-1H-indol-3-yl)acetic acid, 97% | 71987-67-2 2-(5-Fluoro-2-methyl-1H-indol-3-yl)acetic acid|CS-0071234|71987-67-2 https://www.jk-sci.com/products/ts246cs-0071363 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431544.png?v=1791673965 8-Chloro-3-methyl-[1,2,4]triazolo[4,3-a]pyrazine, 98% | 68774-78-7 8-Chloro-3-methyl-[1,2,4]triazolo[4,3-a]pyrazine|CS-0071363|68774-78-7 https://www.jk-sci.com/products/ts246cs-0071388 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64c77f94fb3974c79a5129a2fc39e14d.jpg?v=1791673960 8-Chloro-2-methylquinolin-4-amine, 97% | 68017-48-1 8-Chloro-2-methylquinolin-4-amine|CS-0071388|68017-48-1 https://www.jk-sci.com/products/s57c4x-18428 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5f8ab78536d9e588e97b214661d7b9c.jpg?v=1791713189 Paclitaxel EP Impurity H, 91.80% | 78454-17-8 Paclitaxel EP Impurity H|C4X-18428|78454-17-8 https://www.jk-sci.com/products/s57c4x-1843 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143569.png?v=1791713189 Vinpocetine, Purity: 98.8% | 42971-09-5 Vinpocetine|C4X-1843|42971-09-5 https://www.jk-sci.com/products/ts246cs-0062137 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec1865e29c3612ecf847ea5624f81904.jpg?v=1791675284 7-Bromopyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione, 97% | 1215074-37-5 7-Bromopyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione|CS-0062137|1215074-37-5 https://www.jk-sci.com/products/ts246cs-0064650 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285126.png?v=1791674708 Phenyl β-D-thiogalactopyranoside, 97% | 16758-34-2 Phenyl β-D-thiogalactopyranoside|CS-0064650|16758-34-2 https://www.jk-sci.com/products/ts246cs-0063830 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406229_1579f0c7-7c9c-4c32-97c1-185691cfd5bf.png?v=1791674902 5-Chlorobenzo[d]thiazole, 98% | 2786-51-8 5-Chlorobenzo[d]thiazole|CS-0063830|2786-51-8 https://www.jk-sci.com/products/ts246cs-0066693 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d98563074e0a714ee7ec9f41d0e1ab6.jpg?v=1791674599 7-(Hydroxymethyl)-3,4-dihydroquinolin-2(1H)-one, 95% | 857272-53-8 7-(Hydroxymethyl)-3,4-dihydroquinolin-2(1H)-one|CS-0066693|857272-53-8 https://www.jk-sci.com/products/s57c4x-184414 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1004ca19-6d85-4773-b66c-4a2916a70aa3.png?v=1791713180 Amphotericin B ChP Impurity E, Purity: 91.3% Amphotericin B ChP Impurity E|C4X-184414 https://www.jk-sci.com/products/s57c4x-18445 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296e0a8fde09836ec925b8ee3d33b98f.jpg?v=1791713177 Amphotericin B EP Impurity B, Purity: 94.5% | 136135-57-4 Amphotericin B EP Impurity B|C4X-18445|136135-57-4 https://www.jk-sci.com/products/ts246cs-0067551 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599549_a975b77f-568b-4cc1-80c7-1a44db9ba39d.png?v=1791674445 Isoxazol-5-ylmethanamine hydrochloride, 95% | 440099-32-1 Isoxazol-5-ylmethanamine hydrochloride|CS-0067551|440099-32-1 https://www.jk-sci.com/products/ts246cs-0067768 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/286343.png?v=1791674421 1-(2-bromoethyl)-4-methylbenzene, 97% | 6529-51-7 1-(2-bromoethyl)-4-methylbenzene|CS-0067768|6529-51-7 https://www.jk-sci.com/products/ts246cs-0067866 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09ae8e20c434080ae05816debb0fc054.jpg?v=1791674377 (R,E)-3-(1-Methylpyrrolidin-2-yl)acrylic acid, 97% | 2143460-75-5 (R,E)-3-(1-Methylpyrrolidin-2-yl)acrylic acid|CS-0067866|2143460-75-5 https://www.jk-sci.com/products/s57c4x-18453 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba2f01274d162b53ea6e917a93ff91da.jpg?v=1791713176 Neomycin C, 91.80% | 66-86-4 Neomycin C|C4X-18453|66-86-4 https://www.jk-sci.com/products/ts246cs-0068049 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1926b1d8c347e90fefe4d47241cf7e27.jpg?v=1791674298 2-Methyl-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine dihydrochloride, 97.00%+ | 157327-45-2 2-Methyl-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine dihydrochloride|CS-0068049|157327-45-2 https://www.jk-sci.com/products/ts246cs-0069232 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f447988523e5d0ff8c3ae35d3411f14a.jpg?v=1791674199 4,4'-(1,4-Phenylenebis(sulfanediyl))dianiline, 95% | 17619-11-3 4,4'-(1,4-Phenylenebis(sulfanediyl))dianiline|CS-0069232|17619-11-3 https://www.jk-sci.com/products/ts246cs-0068660 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415355.png?v=1791674260 Bismaleimide, 95% | 13676-54-5 Bismaleimide|CS-0068660|13676-54-5 https://www.jk-sci.com/products/s57c4x-18464 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116863_09c3759b-e5c8-401c-a045-c34563b7cf43.png?v=1791713172 Fludarabine Phosphate EP Impurity D, Purity: 98.0% | 700-49-2 Fludarabine Phosphate EP Impurity D|C4X-18464|700-49-2 https://www.jk-sci.com/products/ts246cs-0069551 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462912e8e80543fda2ecdb5b8b31cc7f.jpg?v=1791674168 (S)-3-Amino-2,2-dimethyl-4-oxoazetidin-1-yl hydrogen sulfate, 96.86%+ | 102507-49-3 (S)-3-Amino-2,2-dimethyl-4-oxoazetidin-1-yl hydrogen sulfate|CS-0069551|102507-49-3 https://www.jk-sci.com/products/ts246cs-0069824 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2ed790f7c0005704f79566d9e9add68.jpg?v=1791674136 1-Phenyl-1H-pyrazol-3(2H)-one, 98% | 1008-79-3 1-Phenyl-1H-pyrazol-3(2H)-one|CS-0069824|1008-79-3 https://www.jk-sci.com/products/ts246cs-0069616 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/537746.png?v=1791674160 Tetrahydro-2H-pyran-3-amine hydrochloride, 97% | 675112-58-0 Tetrahydro-2H-pyran-3-amine hydrochloride|CS-0069616|675112-58-0 https://www.jk-sci.com/products/s57c4x-184734 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111284_32cfd5e5-ccaa-4550-897d-acc7ba713315.png?v=1791713166 Bosutinib Impurity 34, 99.10% | 621-42-1 Bosutinib Impurity 34|C4X-184734|621-42-1 https://www.jk-sci.com/products/s57c4x-184811 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495018.png?v=1791713166 Daclatasvir Impurity 11, 98.60% | 25952-53-8 Daclatasvir Impurity 11|C4X-184811|25952-53-8 https://www.jk-sci.com/products/ts246cs-0070580 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3fad2a51a85cccb70cf5e4caacde346.jpg?v=1791674062 2-(Methoxymethoxy)aniline, 97% | 88733-56-6 2-(Methoxymethoxy)aniline|CS-0070580|88733-56-6 https://www.jk-sci.com/products/ts246cs-0070379 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d10a062fdf6e6408f29457d5de36fb9d.jpg?v=1791674086 (4-Bromophenyl)[(tert-butoxycarbonyl)amino]acetic acid, 97% | 917925-71-4 (4-Bromophenyl)[(tert-butoxycarbonyl)amino]acetic acid|CS-0070379|917925-71-4 https://www.jk-sci.com/products/s57c4x-184913 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffd8ef258a89e4843d119c2923009615.jpg?v=1791713161 Epinephrine Impurity 13, 99.20% | 6305-04-0 Epinephrine Impurity 13|C4X-184913|6305-04-0 https://www.jk-sci.com/products/s57c4x-184944 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b4bdb9b5f7be663973220d55c7029cc.jpg?v=1791713136 Epinephrine Impurity 44, 94.60% | 2947-00-4 Epinephrine Impurity 44|C4X-184944|2947-00-4 https://www.jk-sci.com/products/ts246cs-0071482 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51bde466408028bd27dd27d10be5a7cf.jpg?v=1793049230 2-(3-Chlorophenyl)-2-methylpropanoic acid, 97.00%+ | 64798-35-2 2-(3-Chlorophenyl)-2-methylpropanoic acid|CS-0071482|64798-35-2 https://www.jk-sci.com/products/ts246cs-0071610 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f35f3631499f8b6feac1434832074508.jpg?v=1793049232 4-Methylbenzamide, 97% | 619-55-6 4-Methylbenzamide|CS-0071610|619-55-6 https://www.jk-sci.com/products/ts246cs-0071433 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ea558b36cf7b317d8b6bcf13de7165c.jpg?v=1791673945 3-Hydroxy-2-methoxybenzaldehyde, 98% | 66495-88-3 3-Hydroxy-2-methoxybenzaldehyde|CS-0071433|66495-88-3 https://www.jk-sci.com/products/ts246cs-0070880 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc5df8f651af0ca5e6744d0b24074188.jpg?v=1791674034 (7-Bromo-2,3-dihydro-1-benzofuran-2-yl)methanol, 97% | 852110-51-1 (7-Bromo-2,3-dihydro-1-benzofuran-2-yl)methanol|CS-0070880|852110-51-1 https://www.jk-sci.com/products/s57c4x-184939 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354558.png?v=1791713138 Epinephrine Hydrochloride, 99.10% | 55-31-2 Epinephrine Hydrochloride|C4X-184939|55-31-2 https://www.jk-sci.com/products/ts246cs-0071007 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a129aaadc75b45a7681633a35b6fb18.jpg?v=1791674013 7-Fluoro-1,2,3,4-tetrahydroisoquinoline hydrochloride, 97% | 799274-06-9 7-Fluoro-1,2,3,4-tetrahydroisoquinoline hydrochloride|CS-0071007|799274-06-9 https://www.jk-sci.com/products/ts246cs-0071380 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349476_af077f93-e7a5-4db2-87c8-c938829354ca.png?v=1791673959 4-(2,5-Dichlorophenyl)thiazol-2-amine, 97.00%+ | 68301-45-1 4-(2,5-Dichlorophenyl)thiazol-2-amine|CS-0071380|68301-45-1 https://www.jk-sci.com/products/s57c4x-18495 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd1031a6e94c0b2ed8a42a61d4b458ed.jpg?v=1791713133 Adrenaline EP Impurity E HCl, 98.70% | 317351-39-6 Adrenaline EP Impurity E HCl|C4X-18495|317351-39-6 https://www.jk-sci.com/products/ts246cs-0071230 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cd4d3ff586a25cc78482b4a79f6ea58.jpg?v=1791673979 2-Acetamido-3-sulfanylpropanoic acid, 97% | 7218-04-4 2-Acetamido-3-sulfanylpropanoic acid|CS-0071230|7218-04-4 https://www.jk-sci.com/products/ts246cs-0071679 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149732.png?v=1791673872 2,8-Dimethyl-4-quinolinecarboxylic acid, 95% | 609822-00-6 2,8-Dimethyl-4-quinolinecarboxylic acid|CS-0071679|609822-00-6 https://www.jk-sci.com/products/ts246cs-0071574 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff922f368ac92234908b8806f2450484.jpg?v=1791673899 [4-(1,3-Benzothiazol-2-yl)phenyl]amine, 99.36%+ | 6278-73-5 [4-(1,3-Benzothiazol-2-yl)phenyl]amine|CS-0071574|6278-73-5 https://www.jk-sci.com/products/s57c4x-184929 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110684.png?v=1791713156 Epinephrine Bitartrate, 99.10% | 51-42-3 Epinephrine Bitartrate|C4X-184929|51-42-3 https://www.jk-sci.com/products/ts246cs-0071135 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518386_32250427-57a4-4618-9a5c-d782eee0399d.png?v=1791673990 2-(2-Oxo-1,3-oxazolidin-3-yl)acetic acid, 95.00%+ | 75125-23-4 2-(2-Oxo-1,3-oxazolidin-3-yl)acetic acid|CS-0071135|75125-23-4 https://www.jk-sci.com/products/ts246cs-0071693 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f3b896dd7becf4f1f47df7604d115e9.jpg?v=1791673867 ((4-(2-Methoxyphenoxy)phenyl)sulfonyl)glycine, 97% | 606944-93-8 ((4-(2-Methoxyphenoxy)phenyl)sulfonyl)glycine|CS-0071693|606944-93-8 https://www.jk-sci.com/products/s57c4x-184932 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5aab8af127ad2beed0be80e6b389cede.jpg?v=1791713146 Adrenaline EP Impurity E, 89.80% | 36467-25-1 Adrenaline EP Impurity E|C4X-184932|36467-25-1 https://www.jk-sci.com/products/s57c4x-184915 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453669.png?v=1791713156 Deoxyepinephrine HCl, 95.60% | 62-32-8 Deoxyepinephrine HCl|C4X-184915|62-32-8 https://www.jk-sci.com/products/ts246cs-0071577 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435999.png?v=1791673895 Ipidacrine, 97% | 62732-44-9 Ipidacrine|CS-0071577|62732-44-9 https://www.jk-sci.com/products/ts246cs-0071763 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61b46d59b1d008d4001cd247f806b7d9.jpg?v=1791673853 [4,4'-Bithiazole]-2,2'-diamine, 95% | 58139-59-6 [4,4'-Bithiazole]-2,2'-diamine|CS-0071763|58139-59-6 https://www.jk-sci.com/products/ts246cs-0071856 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485374.png?v=1791673833 5-Hydroxy-3,4-dihydroisoquinolin-1(2H)-one, 98% | 56469-02-4 5-Hydroxy-3,4-dihydroisoquinolin-1(2H)-one|CS-0071856|56469-02-4 https://www.jk-sci.com/products/ts246cs-0071941 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/547813.png?v=1791673820 Aniline hydrobromide, 97% | 542-11-0 Aniline hydrobromide|CS-0071941|542-11-0 https://www.jk-sci.com/products/ts246cs-0071992 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/490867.png?v=1791673806 Coumarin-3-carboxylic Acid, 97% | 531-81-7 Coumarin-3-carboxylic Acid|CS-0071992|531-81-7 https://www.jk-sci.com/products/ts246cs-0071999 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212642.png?v=1791673801 4'-Methoxy-[1,1'-biphenyl]-4-carbaldehyde, 98% | 52988-34-8 4'-Methoxy-[1,1'-biphenyl]-4-carbaldehyde|CS-0071999|52988-34-8 https://www.jk-sci.com/products/ts246cs-0072094 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7698780fe5213b39f23fc09207ceac52.jpg?v=1791673790 6-Chloro-3-oxo-2,3-dihydropyridazine-4-carboxylic acid, 97% | 50681-26-0 6-Chloro-3-oxo-2,3-dihydropyridazine-4-carboxylic acid|CS-0072094|50681-26-0 https://www.jk-sci.com/products/ts246cs-0072200 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1521d86684600184869585d84f53db75.jpg?v=1791673755 4-(Aminosulfonyl)benzenesulfonyl chloride, 95% | 46249-41-6 4-(Aminosulfonyl)benzenesulfonyl chloride|CS-0072200|46249-41-6 https://www.jk-sci.com/products/ts246cs-0072101 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65996b40f47bee24ec2bbc164e682af0.jpg?v=1791673780 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid, 98% | 50451-84-8 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid|CS-0072101|50451-84-8 https://www.jk-sci.com/products/ts246cs-0072097 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/015441c2db00f7ad73ed2561c13cb855.jpg?v=1791673786 4-(Pyridin-2-ylmethoxy)benzoic acid, 98% | 50596-36-6 4-(Pyridin-2-ylmethoxy)benzoic acid|CS-0072097|50596-36-6 https://www.jk-sci.com/products/ts246cs-0072166 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438553.png?v=1791673755 Quipazine, 95% | 4774-24-7 Quipazine|CS-0072166|4774-24-7 https://www.jk-sci.com/products/s57c4x-184955 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4be3175b75d483fad3d1f1590626a29.jpg?v=1791713128 Epinephrine /Adrenaline Impurity 55, 93.80% | 60912-82-5 Epinephrine /Adrenaline Impurity 55|C4X-184955|60912-82-5 https://www.jk-sci.com/products/s57c4x-184958 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8330b1ca16ea8fa3e2e0c683ad7fc7fb.jpg?v=1791713122 Adrenalin-Methylether HCl, 98.00% | 74571-90-7 Adrenalin-Methylether HCl|C4X-184958|74571-90-7 https://www.jk-sci.com/products/ts246cs-0072326 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e7f6bc038e4792f5ff3b4b0fe343ac9.jpg?v=1791673727 3-Benzothiazol-2-yl-phenylamine, 98% | 41230-21-1 3-Benzothiazol-2-yl-phenylamine|CS-0072326|41230-21-1 https://www.jk-sci.com/products/ts246cs-0072304 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/451890.png?v=1791673729 1-Ethynyl-4-phenoxybenzene, 96% | 4200-06-0 1-Ethynyl-4-phenoxybenzene|CS-0072304|4200-06-0 https://www.jk-sci.com/products/ts246cs-0072387 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccec86660db59bf19e259e2bd30f3d7c.jpg?v=1791673708 2,3-Dihydro-1-benzofuran-3-carboxylic acid, 98% | 39891-55-9 2,3-Dihydro-1-benzofuran-3-carboxylic acid|CS-0072387|39891-55-9 https://www.jk-sci.com/products/ts246cs-0072411 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1547dc65e0713fa040ae9111d627fef.jpg?v=1791673704 2,2,2-Trifluoro-1-(pyridin-4-yl)ethan-1-ol, 95% | 394203-58-8 2,2,2-Trifluoro-1-(pyridin-4-yl)ethan-1-ol|CS-0072411|394203-58-8 https://www.jk-sci.com/products/ts246cs-0064039 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84d8b56caa752c170ea08bff4a3d12ef.jpg?v=1791674774 (S,S)-Me-Pybox, 97% | 189014-95-7 (S,S)-Me-Pybox|CS-0064039|189014-95-7 https://www.jk-sci.com/products/ts246cs-0061297 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/944d6ab500bb80cb20c6932ffa24cde6.jpg?v=1791675870 Fmoc-(S)-3-Amino-4-(4-methyl-phenyl)-butyric acid, 98% | 270062-97-0 Fmoc-(S)-3-Amino-4-(4-methyl-phenyl)-butyric acid|CS-0061297|270062-97-0 https://www.jk-sci.com/products/ts246cs-0067413 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9fbef22f581099af8d4d4364f115126.jpg?v=1791674486 N-(2-Aminoethyl)methanesulfonamide hydrochloride, 97% | 202197-61-3 N-(2-Aminoethyl)methanesulfonamide hydrochloride|CS-0067413|202197-61-3 https://www.jk-sci.com/products/ts246cs-0067818 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95f5069e9f3185b22cb5affaef757ba7.jpg?v=1791674403 Methyl 2-amino-4-(trifluoromethyl)thiophene-3-carboxylate, 99.55%+ | 1094619-74-5 Methyl 2-amino-4-(trifluoromethyl)thiophene-3-carboxylate|CS-0067818|1094619-74-5 https://www.jk-sci.com/products/s57c4x-184960 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e82c96ea-7848-497a-9dc6-4a9537b29500.png?v=1791713117 Epinephrine /Adrenaline Impurity 60, 88.90% Epinephrine /Adrenaline Impurity 60|C4X-184960 https://www.jk-sci.com/products/ts246cs-0068252 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/645d5140c02c510340ebca9c6d020fed.jpg?v=1791674278 6,8-Dichloropyrido[2,3-b]pyrazine, 97% | 1283075-60-4 6,8-Dichloropyrido[2,3-b]pyrazine|CS-0068252|1283075-60-4 https://www.jk-sci.com/products/ts246cs-0069283 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfad2910ab0819a2b00c34a04db02858.jpg?v=1791674193 6,7-Dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol, 95% | 1557178-09-2 6,7-Dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol|CS-0069283|1557178-09-2 https://www.jk-sci.com/products/s57c4x-184963 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e27844f-91c6-4e98-aee1-1fddc58a19f8.png?v=1791713112 Epinephrine Impurity 63 HCl, 86.60% Epinephrine Impurity 63 HCl|C4X-184963 https://www.jk-sci.com/products/s57c4x-184982 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78338aa1-7c91-419f-9924-727e14a6b24c.png?v=1791713111 Epinephrine Impurity 82, Purity: 99.5% Epinephrine Impurity 82|C4X-184982 https://www.jk-sci.com/products/ts246cs-0070465 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920932_9647d06c-e1e6-49cb-9527-4a8d58cf0e5e.png?v=1791674078 2-Chloro-4-(trifluoromethyl)benzo[d]thiazole, 97% | 898748-15-7 2-Chloro-4-(trifluoromethyl)benzo[d]thiazole|CS-0070465|898748-15-7 https://www.jk-sci.com/products/ts246cs-0069674 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402006_3c23f3c7-aa55-444c-adfe-7e1083bafa1e.png?v=1791674146 (R)-tert-Butyl (1-benzylpiperidin-3-yl)carbamate, 95% | 454713-13-4 (R)-tert-Butyl (1-benzylpiperidin-3-yl)carbamate|CS-0069674|454713-13-4 https://www.jk-sci.com/products/s57c4x-185011 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec7ae52f-dd92-42c6-886d-69f1b7067309.png?v=1791713108 Atracurium EP Impurity Q, 97.60% Atracurium EP Impurity Q|C4X-185011 https://www.jk-sci.com/products/ts246cs-0070976 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/457070_1360fe8f-f1f5-426e-b012-d531dde18118.png?v=1791674023 4-Chloro-6-ethylthieno[2,3-d]pyrimidine, 97.00%+ | 81136-42-7 4-Chloro-6-ethylthieno[2,3-d]pyrimidine|CS-0070976|81136-42-7 https://www.jk-sci.com/products/ts246cs-0071207 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a1a627ffdfd5de0adf9e969c849063c.jpg?v=1791673985 2-Amino-4-tert-butyl-3-furonitrile, 97% | 72965-46-9 2-Amino-4-tert-butyl-3-furonitrile|CS-0071207|72965-46-9 https://www.jk-sci.com/products/s57c4x-185013 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_875e8d14-a1d2-4f1b-bd57-89bf8a7c0b7e.png?v=1791713103 Atracurium EP Impurity N, 96.30% Atracurium EP Impurity N|C4X-185013 https://www.jk-sci.com/products/ts246cs-0071522 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504537.png?v=1791673915 9H-Carbazol-3-ylamine, 97% | 6377-12-4 9H-Carbazol-3-ylamine|CS-0071522|6377-12-4 https://www.jk-sci.com/products/ts246cs-0071426 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4973b2592466bdc1d5ad0d7d7d037dc4.jpg?v=1791673945 Methyl 5-(2-fluorophenyl)isoxazole-3-carboxylate, 97% | 668970-74-9 Methyl 5-(2-fluorophenyl)isoxazole-3-carboxylate|CS-0071426|668970-74-9 https://www.jk-sci.com/products/s57c4x-185017 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5b18d034-330e-42f7-8188-2b1af462ef85.png?v=1791713103 Cisatracurium EP Impurity K Besylate, 91.50% Cisatracurium EP Impurity K Besylate|C4X-185017 https://www.jk-sci.com/products/s57c4x-185036 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521980.png?v=1791713098 Atracurium EP Impurity G (DL-Laudanosine), 95.90% | 1699-51-0 Atracurium EP Impurity G (DL-Laudanosine)|C4X-185036|1699-51-0 https://www.jk-sci.com/products/ts246cs-0071584 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0019dd0f2f7ea62ecc2f3527cc3343b.jpg?v=1791673890 Methyl 2-chloroquinoline-4-carboxylate, 98% | 62482-26-2 Methyl 2-chloroquinoline-4-carboxylate|CS-0071584|62482-26-2 https://www.jk-sci.com/products/s57c4x-18505 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c149003943a8c1ba25967dc18f86cd4f.jpg?v=1791713093 Atracurium EP Impurity C, 99.90% | 85-63-2 Atracurium EP Impurity C|C4X-18505|85-63-2 https://www.jk-sci.com/products/ts246cs-0071757 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/226301_29a056ef-2ac5-4306-b6f0-c62d50c25956.png?v=1791673862 3-Acetyl-6-chloro-4-phenyl-1H-quinolin-2-one, 97% | 58375-08-9 3-Acetyl-6-chloro-4-phenyl-1H-quinolin-2-one|CS-0071757|58375-08-9 https://www.jk-sci.com/products/ts246cs-0071689 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302576.png?v=1791673872 2,3,5,6-Tetramethylbenzenesulfonyl chloride, 98% | 60706-63-0 2,3,5,6-Tetramethylbenzenesulfonyl chloride|CS-0071689|60706-63-0 https://www.jk-sci.com/products/ts246cs-0071885 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601994c645bcef4572f5db146f1a7daf.jpg?v=1791673828 4-Pyridin-3-ylpyrrolidin-2-one, 98% | 55656-99-0 4-Pyridin-3-ylpyrrolidin-2-one|CS-0071885|55656-99-0 https://www.jk-sci.com/products/ts246cs-0071993 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/571385_5a706963-84d8-445d-a85f-a08d05758610.png?v=1791673806 N-(4-Acetylphenyl)methanesulfonamide, 98% | 5317-89-5 N-(4-Acetylphenyl)methanesulfonamide|CS-0071993|5317-89-5 https://www.jk-sci.com/products/ts246cs-0072096 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546484_89461b4e-42d8-4e2c-8821-1383ef17e08b.png?v=1791673785 6-(4-Bromophenyl)pyridazin-3-ol, 97% | 50636-57-2 6-(4-Bromophenyl)pyridazin-3-ol|CS-0072096|50636-57-2 https://www.jk-sci.com/products/ts246cs-0072112 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617eed4a1ab6b20145a56c749507b733.jpg?v=1791673771 2-Chloro-5,6,7,8-tetrahydroquinolin-5-ol, 97% | 501917-22-2 2-Chloro-5,6,7,8-tetrahydroquinolin-5-ol|CS-0072112|501917-22-2 https://www.jk-sci.com/products/s57c4x-185066 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b24e61e40d86f00fec07c0581853b27.jpg?v=1791713082 Atracurium Impurity 66, 97.00% | 91950-41-3 Atracurium Impurity 66|C4X-185066|91950-41-3 https://www.jk-sci.com/products/s57c4x-185072 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f70c4c72-c639-4b30-8f57-f87e5cda56ed.png?v=1791713072 Cisatracurium EP Impurity M TFA salt, 89.10% Cisatracurium EP Impurity M TFA salt|C4X-185072 https://www.jk-sci.com/products/ts246cs-0072301 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10c18194d9974b14ccce703b93be777d.jpg?v=1791673734 But-3-yn-2-amine hydrochloride, 97% | 42105-26-0 But-3-yn-2-amine hydrochloride|CS-0072301|42105-26-0 https://www.jk-sci.com/products/ts246cs-0072548 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/749ceb3f512ba148f7a338ecc603ae2a.jpg?v=1791673676 1,6-Naphthyridine-8-carboxylic acid, 97% | 362606-19-7 1,6-Naphthyridine-8-carboxylic acid|CS-0072548|362606-19-7 https://www.jk-sci.com/products/ts246cs-0072364 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227870.png?v=1791673719 4-Fluorobenzenesulfonamide, 98% | 402-46-0 4-Fluorobenzenesulfonamide|CS-0072364|402-46-0 https://www.jk-sci.com/products/s57c4x-185411 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475034e4f9f148f43a1fb854622d94b0.jpg?v=1791713061 Arotinolol Impurity 11, 92.10% | 68257-90-9 Arotinolol Impurity 11|C4X-185411|68257-90-9 https://www.jk-sci.com/products/s57c4x-18535 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/845d7a456fef6bad92a4b22ffa18e92a.jpg?v=1791713068 Sibutramine Impurity 5, Purity: 98.8% | 3058304-40-5 Sibutramine Impurity 5|C4X-18535|3058304-40-5 https://www.jk-sci.com/products/s57c4x-185420 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24338b16-4039-45c2-83c4-6b38a3f53a33.png?v=1791713050 Arotinolol Impurity 20, 98.10% Arotinolol Impurity 20|C4X-185420 https://www.jk-sci.com/products/ts246cs-0072618 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/490355.png?v=1791673661 2-Chloro-N-(2-fluorophenyl)acetamide, 97% | 347-66-0 2-Chloro-N-(2-fluorophenyl)acetamide|CS-0072618|347-66-0 https://www.jk-sci.com/products/ts246cs-0072670 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333420.png?v=1791673650 6-Chloro-1,2,3,4-tetrahydroisoquinoline hydrochloride, 98% | 33537-97-2 6-Chloro-1,2,3,4-tetrahydroisoquinoline hydrochloride|CS-0072670|33537-97-2 https://www.jk-sci.com/products/ts246cs-0072585 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235a7449bf9f371e8fab5aa5ffeec710.jpg?v=1791673666 3-Bromo-4-hydroxysulfolane, 97.00%+ | 35330-57-5 3-Bromo-4-hydroxysulfolane|CS-0072585|35330-57-5 https://www.jk-sci.com/products/s57c4x-185092 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314253_75c3fcde-9369-4b68-8716-104d27642b5e.png?v=1791713072 Atracurium Impurity 92, 98.30% | 640-57-3 Atracurium Impurity 92|C4X-185092|640-57-3 https://www.jk-sci.com/products/ts246cs-0072763 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c698901507d4f64c3d18af5728b57455.jpg?v=1791673639 3-Chloro-6-(propan-2-yloxy)pyridazine, 97% | 3184-71-2 3-Chloro-6-(propan-2-yloxy)pyridazine|CS-0072763|3184-71-2 https://www.jk-sci.com/products/ts246cs-0072825 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4328612fb5bc2a04f21625764c2c3dd.jpg?v=1791673628 4-(Benzofuran-2-yl)thiazol-2-amine, 99.13%+ | 3084-04-6 4-(Benzofuran-2-yl)thiazol-2-amine|CS-0072825|3084-04-6 https://www.jk-sci.com/products/s57c4x-185414 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28ade60c7b9e22d7ca76175fc496e3e8.jpg?v=1791713057 Arotinolol Impurity 14, 96.50% | 1701418-50-9 Arotinolol Impurity 14|C4X-185414|1701418-50-9 https://www.jk-sci.com/products/s57c4x-185432 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1703038d-6dd6-4149-a0b3-317c93c0f1e2.png?v=1791713051 Arotinolol Impurity 32, 94.90% Arotinolol Impurity 32|C4X-185432 https://www.jk-sci.com/products/s57c4x-185442 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdb4c06af97e792d795f4dcfa5537176.jpg?v=1791713042 Arotinolol Impurity 42, 92.80% | 57797-77-0 Arotinolol Impurity 42|C4X-185442|57797-77-0 https://www.jk-sci.com/products/s57c4x-18547 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/594575.png?v=1791713036 5-Acetylthiophene-2-carboxamide(Arotinolol Impurity 7), 99.50% | 68257-89-6 5-Acetylthiophene-2-carboxamide(Arotinolol Impurity 7)|C4X-18547|68257-89-6 https://www.jk-sci.com/products/s57c4x-185444 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/604088.png?v=1791713041 Arotinolol, 95.20% | 68377-92-4 Arotinolol|C4X-185444|68377-92-4 https://www.jk-sci.com/products/s57c4x-18549 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115377.png?v=1791713032 Arotinolol Impurity 9, Purity: 97.1% | 4066-41-5 Arotinolol Impurity 9|C4X-18549|4066-41-5 https://www.jk-sci.com/products/s57c4x-18552 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423805_32c5e67c-115c-4274-914f-a37af0a5ca92.png?v=1791713026 Aminophylline EP Impurity B, 99.90% | 1076-22-8 Aminophylline EP Impurity B|C4X-18552|1076-22-8 https://www.jk-sci.com/products/ts246cs-0072898 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ea277a163a62301214aedd5ba4124a6.jpg?v=1791673612 4-(1H-Benzo[d]imidazol-2-yl)aniline, 98% | 2963-77-1 4-(1H-Benzo[d]imidazol-2-yl)aniline|CS-0072898|2963-77-1 https://www.jk-sci.com/products/ts246cs-0072973 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f2671800a67e142e7cf2f23fcb2a241.jpg?v=1791673602 Ethyl 4-chloro-8-methoxyquinoline-3-carboxylate, 98% | 27568-05-4 Ethyl 4-chloro-8-methoxyquinoline-3-carboxylate|CS-0072973|27568-05-4 https://www.jk-sci.com/products/ts246cs-0072874 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/582442.png?v=1791673622 CL-59089, 98% | 3008-61-5 CL-59089|CS-0072874|3008-61-5 https://www.jk-sci.com/products/ts246cs-0073026 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e76606803e07f9074f7833bb6ab5b6b4.jpg?v=1791673591 1,4-Diamino-2-butyne dihydrochloride, 97% | 26232-80-4 1,4-Diamino-2-butyne dihydrochloride|CS-0073026|26232-80-4 https://www.jk-sci.com/products/ts246cs-0073222 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4aac29a5c8fa170d729a4606bef8b9ec.jpg?v=1791673569 7-Chloro-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine, 97% | 21323-71-7 7-Chloro-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine|CS-0073222|21323-71-7 https://www.jk-sci.com/products/ts246cs-0073045 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482431.png?v=1791673584 2-Phenoxybenzoic acid, 97.00%+ | 2243-42-7 2-Phenoxybenzoic acid|CS-0073045|2243-42-7 https://www.jk-sci.com/products/s57c4x-18557 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487186.png?v=1791713020 Aminophylline EP ImpurityG, 100.00% | 83-67-0 Aminophylline EP ImpurityG|C4X-18557|83-67-0 https://www.jk-sci.com/products/s57c4x-185814 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ba6b75ef-560a-48cb-90e2-ead592915c59.png?v=1791713015 Trimebutine Impurity 14, 99.80% Trimebutine Impurity 14|C4X-185814 https://www.jk-sci.com/products/s57c4x-18555 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463363_46b7238a-3873-4f49-acd7-879b0bd030d0.png?v=1791713026 Aminophylline EP Impurity E, 97.40% | 944-73-0 Aminophylline EP Impurity E|C4X-18555|944-73-0 https://www.jk-sci.com/products/s57c4x-1858 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367035.png?v=1791713015 Trimebutine, 99.90% | 39133-31-8 Trimebutine|C4X-1858|39133-31-8 https://www.jk-sci.com/products/ts246cs-0073454 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74f6a25895614a700f02aedea288fbd7.jpg?v=1791673559 1-(tert-Butoxycarbonyl)indoline-6-carboxylic acid, 97% | 208772-41-2 1-(tert-Butoxycarbonyl)indoline-6-carboxylic acid|CS-0073454|208772-41-2 https://www.jk-sci.com/products/s57c4x-185816 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52e6e332-5ee4-4855-8fbe-a1df9d5b2eee.png?v=1791713006 Trimebutine Impurity 16, 96.40% Trimebutine Impurity 16|C4X-185816 https://www.jk-sci.com/products/ts246cs-0073656 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c048b4eaa211e9b1af4cda2585f3055f.jpg?v=1791673553 2-Oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride, 97.00%+ | 199328-31-9 2-Oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride|CS-0073656|199328-31-9 https://www.jk-sci.com/products/s57c4x-18582 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488231_a59cbcfa-ad52-45d4-8e1c-1ce716e3e782.png?v=1791713006 Trimebutine EP Impurity B/Trimethoprim EP Impurity J, 99.90% | 118-41-2 Trimebutine EP Impurity B/Trimethoprim EP Impurity J|C4X-18582|118-41-2 https://www.jk-sci.com/products/ts246cs-0073869 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99c051f113884bc0eeb728c8b0154424.jpg?v=1791673528 4,6-Dichloro-2-(propan-2-yl)pyrimidine, 97% | 1850-98-2 4,6-Dichloro-2-(propan-2-yl)pyrimidine|CS-0073869|1850-98-2 https://www.jk-sci.com/products/ts246cs-0074136 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294231.png?v=1791673512 2-Pyridinecarboxamidoxime, 99.90%+ | 1772-01-6 2-Pyridinecarboxamidoxime|CS-0074136|1772-01-6 https://www.jk-sci.com/products/ts246cs-0074179 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615251.png?v=1791673501 (2-Amino-4-phenyl-5-thiazolyl)phenylmethanone, 97% | 17279-56-0 (2-Amino-4-phenyl-5-thiazolyl)phenylmethanone|CS-0074179|17279-56-0 https://www.jk-sci.com/products/ts246cs-0074286 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ed517ec93c404ba2ddc140d7f3490c8.jpg?v=1791673485 2-Cyclopropyl-1H-benzoimidazole, 98% | 16405-79-1 2-Cyclopropyl-1H-benzoimidazole|CS-0074286|16405-79-1 https://www.jk-sci.com/products/s57c4x-18583 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313324_324b2a2b-af94-4cac-b144-b1ff746bd2c1.png?v=1791713001 Trimebutine EP Impurity C, 99.60% | 1916-07-0 Trimebutine EP Impurity C|C4X-18583|1916-07-0 https://www.jk-sci.com/products/s57c4x-18585 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254584.png?v=1791712996 Trimebutine EP Impurity E, Purity: 99.0% | 84333-59-5 Trimebutine EP Impurity E|C4X-18585|84333-59-5 https://www.jk-sci.com/products/s57c4x-18614 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321351_7bab69f3-1838-42f3-b43d-20c93f54b259.png?v=1791712981 Nikethamide Impurity 4, 99.50% | 1452-77-3 Nikethamide Impurity 4|C4X-18614|1452-77-3 https://www.jk-sci.com/products/s57c4x-18589 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c41ddda2a2417aded3b6a2eb9f3858f2.jpg?v=1791712994 Trimebutine EP Impurity A（HCl）, 85.20% | 60577-23-3 Trimebutine EP Impurity A（HCl）|C4X-18589|60577-23-3 https://www.jk-sci.com/products/ts246cs-0074420 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f998a0574c8f2f4ecb0e0b8e154bd42.jpg?v=1791673470 4,7-Dimethylindoline-2,3-dione, 98.39%+ | 15540-90-6 4,7-Dimethylindoline-2,3-dione|CS-0074420|15540-90-6 https://www.jk-sci.com/products/s57c4x-1864 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150188_890dde5b-0ec2-4a60-be1a-bbbb744425ee.png?v=1791712952 Phenytoin, 100.00% | 57-41-0 Phenytoin|C4X-1864|57-41-0 https://www.jk-sci.com/products/ts246cs-0074552 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340026.png?v=1791673459 2,3-Dimethyl-1H-indole-5-carboxylic acid, 95% | 14844-73-6 2,3-Dimethyl-1H-indole-5-carboxylic acid|CS-0074552|14844-73-6 https://www.jk-sci.com/products/ts246cs-0074592 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee7c7bd724e3455371f351ad1ae61334.jpg?v=1791673450 6-Chloro-1-methyl-1H-benzo[d][1,3]oxazine-2,4-dione, 97% | 14529-12-5 6-Chloro-1-methyl-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0074592|14529-12-5 https://www.jk-sci.com/products/s57c4x-18606 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f04b3da24c4cfa36600f2846df4ca91.jpg?v=1791712990 Tigecycline Epimer, 93.40% | 1422262-97-2 Tigecycline Epimer|C4X-18606|1422262-97-2 https://www.jk-sci.com/products/ts246cs-0065169 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413f0271276cc0b5d145c88819b2d60d.jpg?v=1791674678 Ethyl 7-bromo-2-oxo-2H-chromene-3-carboxylate, 98.55%+ | 105837-04-5 Ethyl 7-bromo-2-oxo-2H-chromene-3-carboxylate|CS-0065169|105837-04-5 https://www.jk-sci.com/products/ts246cs-0067914 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c9c73ac42a0fd7e5cc1e4b4b86e5ce6.jpg?v=1791674351 4-Bromo-2-hydrazinylpyridine, 97% | 1019918-39-8 4-Bromo-2-hydrazinylpyridine|CS-0067914|1019918-39-8 https://www.jk-sci.com/products/ts246cs-0069572 2026-10-28T04:23:59-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318267_13962051-641c-46e6-a056-fb820dd26051.png?v=1791674166 tert-Butyl piperazine-1-carboxylate oxalate, 95% | 57260-72-7 tert-Butyl piperazine-1-carboxylate oxalate|CS-0069572|57260-72-7