https://www.jk-sci.com/products/ts246cs-0070675 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430826_07d395e0-b523-4178-98b6-fabb9bb7be44.png?v=1791674057 Methyl 3-Hydroxy-2-naphthoate, 98% | 883-99-8 Methyl 3-Hydroxy-2-naphthoate|CS-0070675|883-99-8 https://www.jk-sci.com/products/s57c4x-18612 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5a74e9c50f4c7be38fc18ab1fe339a4.jpg?v=1791712987 Nikethamide Impurity 2, 92.00% | 20165-96-2 Nikethamide Impurity 2|C4X-18612|20165-96-2 https://www.jk-sci.com/products/s57c4x-18618 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578817.png?v=1791712976 Nikethamide Impurity 8, 96.80% | 530-40-5 Nikethamide Impurity 8|C4X-18618|530-40-5 https://www.jk-sci.com/products/ts246cs-0071576 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdd820ab36ca6ea8c9f345065015bfb0.jpg?v=1791673896 1'-Methyl-3,4-dihydrospiro[1-benzopyran-2,4'-piperidin]-4-one, 97% | 62756-24-5 1'-Methyl-3,4-dihydrospiro[1-benzopyran-2,4'-piperidin]-4-one|CS-0071576|62756-24-5 https://www.jk-sci.com/products/s57c4x-186211 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64a625b5-891f-4057-8c66-fda59872598d.png?v=1791712970 Triptorelin Impurity (Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2), Purity: 99.6% Triptorelin Impurity (Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2)|C4X-186211 https://www.jk-sci.com/products/s57c4x-186229 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303957_29b6ba4b-7bc1-4a94-8bf2-99dfe7c44a31.png?v=1791712971 Pyr-His-Trp-Ser-Tyr-Trp-Leu-Arg-Pro-Gly-NH2, Purity: 100.0% Pyr-His-Trp-Ser-Tyr-Trp-Leu-Arg-Pro-Gly-NH2|C4X-186229 https://www.jk-sci.com/products/ts246cs-0071705 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec1991be55a09e7e7fd1924b5a8dbe2.jpg?v=1791673863 7-Bromothieno[3,2-b]pyridine, 98% | 603305-89-1 7-Bromothieno[3,2-b]pyridine|CS-0071705|603305-89-1 https://www.jk-sci.com/products/s57c4x-186232 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f965988-22f4-4d2e-8711-f86b3bd3b04f.png?v=1791712961 D-pGlu-His-L-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2, Purity: 99.9% D-pGlu-His-L-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2|C4X-186232 https://www.jk-sci.com/products/s57c4x-186235 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_96a85fc2-8487-47d4-8b27-ceff84d67627.png?v=1791712962 pGlu-His-L-Trp-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2, Purity: 100.0% pGlu-His-L-Trp-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2|C4X-186235 https://www.jk-sci.com/products/ts246cs-0071975 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493382.png?v=1791673810 N,N'-Dimethylthiourea, 98% | 534-13-4 N,N'-Dimethylthiourea|CS-0071975|534-13-4 https://www.jk-sci.com/products/s57c4x-18642 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540376.png?v=1791712947 Phenytoin-d10, Purity: 100.0% | 65854-97-9 Phenytoin-d10|C4X-18642|65854-97-9 https://www.jk-sci.com/products/ts246cs-0072442 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1dd4c0a745a518fd052bce949b68dde.jpg?v=1791673699 1-(2,3-Dimethoxyphenyl)ethan-1-one, 97% | 38480-94-3 1-(2,3-Dimethoxyphenyl)ethan-1-one|CS-0072442|38480-94-3 https://www.jk-sci.com/products/ts246cs-0072099 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414164_cb7a4ede-9dc8-459a-84be-06cf7a34145a.png?v=1791673785 5,7-Dibromo-1H-indazole, 98% | 50477-28-6 5,7-Dibromo-1H-indazole|CS-0072099|50477-28-6 https://www.jk-sci.com/products/s57c4x-18645 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caac797cb14e8eeecf3148158e529f58.jpg?v=1791712941 Phenytoin impurity 5, 96.90% | 3254-93-1 Phenytoin impurity 5|C4X-18645|3254-93-1 https://www.jk-sci.com/products/ts246cs-0072316 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263354.png?v=1791673729 1-Amino-3-(4-tert-butyl-phenoxy)-propan-2-ol, 97% | 41403-84-3 1-Amino-3-(4-tert-butyl-phenoxy)-propan-2-ol|CS-0072316|41403-84-3 https://www.jk-sci.com/products/s57c4x-186412 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79b4e4e771f84fabe43c6c4a0c11e933.jpg?v=1791712951 Phenytoin Impurity 12, 97.50% | 15427-81-3 Phenytoin Impurity 12|C4X-186412|15427-81-3 https://www.jk-sci.com/products/ts246cs-0072683 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410948.png?v=1791673650 [(4-Fluorophenyl)thio]acetic acid, 98% | 332-51-4 [(4-Fluorophenyl)thio]acetic acid|CS-0072683|332-51-4 https://www.jk-sci.com/products/ts246cs-0072870 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bd37459dd971fce63327e0a769bdd75.jpg?v=1791673623 3-Phenoxyazetidine hydrochloride, 96% | 301335-39-7 3-Phenoxyazetidine hydrochloride|CS-0072870|301335-39-7 https://www.jk-sci.com/products/ts246cs-0072592 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8362a0a9f0a86e0b3416ce3a48972af1.jpg?v=1791673666 Methyl 3-Aminobenzo[b]thiophene-2-carboxylate, 98% | 35212-85-2 Methyl 3-Aminobenzo[b]thiophene-2-carboxylate|CS-0072592|35212-85-2 https://www.jk-sci.com/products/s57c4x-18649 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376007_8582dd2f-2dac-4833-b069-cd234f3aa2c9.png?v=1791712939 Phenytoin Impurity 9, 96.40% | 3060-50-2 Phenytoin Impurity 9|C4X-18649|3060-50-2 https://www.jk-sci.com/products/ts246cs-0072926 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79cb8ae2ebc0b2a3121985a9c91a0664.jpg?v=1791673607 1-(4-Fluorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one, 99.70%+ | 289651-72-5 1-(4-Fluorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one|CS-0072926|289651-72-5 https://www.jk-sci.com/products/ts246cs-0073823 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/561730_39d39c16-326e-4ccd-85ec-02abc28f0522.png?v=1791673538 2-(2-Methylphenoxy)acetic acid, 97% | 1878-49-5 2-(2-Methylphenoxy)acetic acid|CS-0073823|1878-49-5 https://www.jk-sci.com/products/ts246cs-0074265 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/286031.png?v=1791673496 6-Nitroquinolin-8-ol, 97% | 16727-28-9 6-Nitroquinolin-8-ol|CS-0074265|16727-28-9 https://www.jk-sci.com/products/ts246cs-0073028 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c36b69c3786127334a06ea588a432ea3.jpg?v=1791673590 (4-Methylbenzyl)hydrazine hydrochloride, 95% | 26177-51-5 (4-Methylbenzyl)hydrazine hydrochloride|CS-0073028|26177-51-5 https://www.jk-sci.com/products/s57c4x-187311 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f0ac45a902dad0a66e78235a68547ce.jpg?v=1791712929 Thiamine Impurity 11, 82.40% | 105070-51-7 Thiamine Impurity 11|C4X-187311|105070-51-7 https://www.jk-sci.com/products/ts246cs-0074172 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06c5e86387d977bb82a22cf0b0b7860f.jpg?v=1791673501 2-[2-(Morpholine-4-sulfonyl)ethyl]-2,3-dihydro-1H-isoindole-1,3-dione, 97% | 173336-67-9 2-[2-(Morpholine-4-sulfonyl)ethyl]-2,3-dihydro-1H-isoindole-1,3-dione|CS-0074172|173336-67-9 https://www.jk-sci.com/products/s57c4x-18661 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8ddcb87934b039659bfb593d250f867_e6669c94-4ac2-4bc3-a9f9-d952a73b3861.jpg?v=1791712933 Acipimox Impurity 1, 94.70% | 5521-55-1 Acipimox Impurity 1|C4X-18661|5521-55-1 https://www.jk-sci.com/products/ts246cs-0074446 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcbc3b625fd8b6b1bf7758132ecf91ac.jpg?v=1791673470 2,6-Difluoro-3-formylbenzonitrile, 98% | 1541976-46-8 2,6-Difluoro-3-formylbenzonitrile|CS-0074446|1541976-46-8 https://www.jk-sci.com/products/s57c4x-18721 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115515.png?v=1791712929 Norfluoxetine Hydrochloride, 99.10% | 57226-68-3 Norfluoxetine Hydrochloride|C4X-18721|57226-68-3 https://www.jk-sci.com/products/ts246cs-0073225 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446335.png?v=1791673569 (1-Ethyl-1H-benzoimidazol-2-yl)-methanol, 97% | 21269-78-3 (1-Ethyl-1H-benzoimidazol-2-yl)-methanol|CS-0073225|21269-78-3 https://www.jk-sci.com/products/ts246cs-0074789 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446804.png?v=1793049194 2-Methoxyquinoline-3-carbaldehyde, 99.29%+ | 139549-06-7 2-Methoxyquinoline-3-carbaldehyde|CS-0074789|139549-06-7 https://www.jk-sci.com/products/s57c4x-169672 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e76ef35-5e65-42f6-8706-a3eaa0de4ed9.png?v=1791714800 LCZ-696 Impurity 72 calcium salt, 98.40% LCZ-696 Impurity 72 calcium salt|C4X-169672 https://www.jk-sci.com/products/ts246cs-0075003 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/158918.png?v=1791673412 3-(2,4-Difluorophenyl)propanoic acid, 98% | 134672-70-1 3-(2,4-Difluorophenyl)propanoic acid|CS-0075003|134672-70-1 https://www.jk-sci.com/products/s57c4x-172422 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44025bf518d49f141bad51c904ff6dab_6b7bef3c-ce30-4bf9-bf34-d0c5bb9fd636.jpg?v=1791714455 Paliperidone USP Related Compound B, 99.90% | 84163-13-3 Paliperidone USP Related Compound B|C4X-172422|84163-13-3 https://www.jk-sci.com/products/ts246cs-0075161 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f186bbb834e18d264f6c5a4c3eb3e55.jpg?v=1791673393 N-[4-(Trifluoromethyl)phenyl]guanidine, 97% | 130066-24-9 N-[4-(Trifluoromethyl)phenyl]guanidine|CS-0075161|130066-24-9 https://www.jk-sci.com/products/s57c4x-17332 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/691d5db8db83f12882543119fbf87e49.jpg?v=1791714294 Piroxicam EP Impurity B, 99.50% | 65897-46-3 Piroxicam EP Impurity B|C4X-17332|65897-46-3 https://www.jk-sci.com/products/ts246cs-0075410 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9275f1508dafa7787961186105e8d645.jpg?v=1791673381 1-(2-Amino-6,7-dihydro-4H-thiazolo[5,4-c]pyridin-5-yl)-ethanone, 95% | 124458-11-3 1-(2-Amino-6,7-dihydro-4H-thiazolo[5,4-c]pyridin-5-yl)-ethanone|CS-0075410|124458-11-3 https://www.jk-sci.com/products/ts246cs-0075447 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137222.png?v=1791673371 3,3'-Disulfanediyldibenzoic acid, 98% | 1227-49-2 3,3'-Disulfanediyldibenzoic acid|CS-0075447|1227-49-2 https://www.jk-sci.com/products/s57c4x-1755 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557613_33a51003-aa67-4cf2-9c10-fa7914cc7c34.png?v=1791714159 Stavudine(Zidovudine EP Impurity A), 93.30% | 3056-17-5 Stavudine(Zidovudine EP Impurity A)|C4X-1755|3056-17-5 https://www.jk-sci.com/products/ts246cs-0075558 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4a5918baa09f37f26b2c2e527b6a107.jpg?v=1791673355 N-(4,5,6,7-Tetrahydro[1,3]thiazolo[5,4-c]pyridin-2-yl)acetamide hydrochloride, 97% | 1209492-78-3 N-(4,5,6,7-Tetrahydro[1,3]thiazolo[5,4-c]pyridin-2-yl)acetamide hydrochloride|CS-0075558|1209492-78-3 https://www.jk-sci.com/products/ts246cs-0075719 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f168e02c70aecef94d08642200041786.jpg?v=1791673337 4-Chloro-2-methyl-5H,6H,7H-cyclopenta[d]pyrimidine, 97% | 118802-40-7 4-Chloro-2-methyl-5H,6H,7H-cyclopenta[d]pyrimidine|CS-0075719|118802-40-7 https://www.jk-sci.com/products/s57c4x-177123 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dbb9bfd2-35c1-4934-94c1-5302b286b58d.png?v=1791714069 Tranexamic Impurity 23, Purity: 93.5% Tranexamic Impurity 23|C4X-177123 https://www.jk-sci.com/products/s57c4x-177411 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9236a49003ff19420ae0a0c5ddea0df.jpg?v=1791714008 Valganciclovir Impurity 11, 92.50% | 1202645-50-8 Valganciclovir Impurity 11|C4X-177411|1202645-50-8 https://www.jk-sci.com/products/ts246cs-0075760 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02ca17999dcc1972875decd62acdb9b8.jpg?v=1791673327 4-(Chloromethyl)-1-methylpiperidine hydrochloride, 97% | 1182284-45-2 4-(Chloromethyl)-1-methylpiperidine hydrochloride|CS-0075760|1182284-45-2 https://www.jk-sci.com/products/ts246cs-0076000 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a394cd40abc94f32459b56d1c425fced.jpg?v=1791673307 5-Chloro-3-methyl-benzofuran-2-carboxylic acid, 97% | 1134-00-5 5-Chloro-3-methyl-benzofuran-2-carboxylic acid|CS-0076000|1134-00-5 https://www.jk-sci.com/products/ts246cs-0076039 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121547_dede998e-4e74-4c0c-9be3-91679c2924e4.png?v=1791673297 1-Bromooctane, 98% | 111-83-1 1-Bromooctane|CS-0076039|111-83-1 https://www.jk-sci.com/products/ts246cs-0076210 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d53333b972617bb4067b4928c0d76f6b.jpg?v=1791673292 5-(1,3-Benzodioxol-5-yl)-3-(chloromethyl)isoxazole, 95% | 1105191-39-6 5-(1,3-Benzodioxol-5-yl)-3-(chloromethyl)isoxazole|CS-0076210|1105191-39-6 https://www.jk-sci.com/products/s57c4x-17791 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591840_8f579ace-8987-45b1-8d26-d4a07469e3e7.png?v=1791713957 Ascorbic Acid EP Impurity F, 99.40% | 89-65-6 Ascorbic Acid EP Impurity F|C4X-17791|89-65-6 https://www.jk-sci.com/products/ts246cs-0076330 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0efba02fc8d5cf8d5ec0188bbc1ee91.jpg?v=1791673285 5-(3-Bromophenyl)-1,3,4-oxadiazol-2-amine, 97% | 109060-66-4 5-(3-Bromophenyl)-1,3,4-oxadiazol-2-amine|CS-0076330|109060-66-4 https://www.jk-sci.com/products/s57c4x-17905 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a72a36c67dd6319826acc196bc840b.jpg?v=1791713899 Vecuronium Bromide EP Impurity E, 92.70% | 50587-95-6 Vecuronium Bromide EP Impurity E|C4X-17905|50587-95-6 https://www.jk-sci.com/products/ts246cs-0076572 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227299.png?v=1791673255 4-(Morpholine-4-sulfonyl)benzoic acid, 97% | 10252-82-1 4-(Morpholine-4-sulfonyl)benzoic acid|CS-0076572|10252-82-1 https://www.jk-sci.com/products/ts246cs-0076520 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fad54d236e734d70baf4ff60bb4d67e.jpg?v=1791673261 2,3-Dimethyl-1H-indole-7-carboxylic acid, 98% | 103986-07-8 2,3-Dimethyl-1H-indole-7-carboxylic acid|CS-0076520|103986-07-8 https://www.jk-sci.com/products/ts246cs-0076417 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295074_fb5df8e2-c78f-4684-8803-d1ebe2db1dc4.png?v=1791673280 (2-Bromoethyl)diethylamine hydrobromide, 97% | 1069-72-3 (2-Bromoethyl)diethylamine hydrobromide|CS-0076417|1069-72-3 https://www.jk-sci.com/products/s57c4x-179334 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d265614d-e4a0-470e-8d0a-51a3e18e5294.png?v=1791713839 (Z)-Ceftizoxime Impurity 34, 91.00% (Z)-Ceftizoxime Impurity 34|C4X-179334 https://www.jk-sci.com/products/ts246cs-0076753 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc499ac330f82e5de805217c25aac4e8.jpg?v=1791673226 6-Chloro-2-methyl-2,3-dihydropyridazin-3-one, 97% | 10071-38-2 6-Chloro-2-methyl-2,3-dihydropyridazin-3-one|CS-0076753|10071-38-2 https://www.jk-sci.com/products/ts246cs-0076672 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4101825552a9fafad37d36a286afd6a.jpg?v=1791673230 4-Ethoxy-3-fluorobenzene-1-sulfonyl chloride, 97% | 1016756-58-3 4-Ethoxy-3-fluorobenzene-1-sulfonyl chloride|CS-0076672|1016756-58-3 https://www.jk-sci.com/products/ts246cs-0076892 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87c503c116d2d93c545baa089efb7e8a.jpg?v=1791673193 2-Amino-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carbonitrile, 99.49%+ | 23917-22-8 2-Amino-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carbonitrile|CS-0076892|23917-22-8 https://www.jk-sci.com/products/ts246cs-0076810 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293360.png?v=1791673214 4-Aminoisoindoline-1,3-dione, 97% | 2518-24-3 4-Aminoisoindoline-1,3-dione|CS-0076810|2518-24-3 https://www.jk-sci.com/products/ts246cs-0076929 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d99c46305837dd1903239683dc8a4c63.jpg?v=1791673179 3-(Trifluoromethyl)-1H-pyrazolo[4,3-c]pyridine, 97% | 230305-81-4 3-(Trifluoromethyl)-1H-pyrazolo[4,3-c]pyridine|CS-0076929|230305-81-4 https://www.jk-sci.com/products/ts246cs-0063193 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157859.png?v=1791675022 5-(Methylthio)-1H-1,2,4-triazol-3-amine, 98% | 45534-08-5 5-(Methylthio)-1H-1,2,4-triazol-3-amine|CS-0063193|45534-08-5 https://www.jk-sci.com/products/ts246cs-0071074 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5b6eaf17b7338f93bf612b238261215.jpg?v=1791674003 7-Chloro-2,4-dimethyl-[1,8]naphthyridine, 97% | 77223-21-3 7-Chloro-2,4-dimethyl-[1,8]naphthyridine|CS-0071074|77223-21-3 https://www.jk-sci.com/products/ts246cs-0069194 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d4324edc7d05e120e39c352524622bd.jpg?v=1791674204 5,5-Dimethyl-2-thioxoimidazolidin-4-one, 97% | 15998-93-3 5,5-Dimethyl-2-thioxoimidazolidin-4-one|CS-0069194|15998-93-3 https://www.jk-sci.com/products/ts246cs-0072069 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238272_f5287575-2f9f-4dd4-857a-d471e65a309f.png?v=1791673790 (2-Methoxy-5-nitrophenyl)acetic acid, 95% | 51073-04-2 (2-Methoxy-5-nitrophenyl)acetic acid|CS-0072069|51073-04-2 https://www.jk-sci.com/products/ts246cs-0071662 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edc16780528fe2405c7b9b92f9b6bcf2.jpg?v=1791673877 4-(2-Chlorophenoxy)benzenesulfonyl chloride, 97% | 610277-84-4 4-(2-Chlorophenoxy)benzenesulfonyl chloride|CS-0071662|610277-84-4 https://www.jk-sci.com/products/ts246cs-0072392 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5920194d48a13f55ddcb79a3c38d2827.jpg?v=1791673705 Methyl 4-(4-methylphenyl)-2,4-dioxobutanoate, 97% | 39757-29-4 Methyl 4-(4-methylphenyl)-2,4-dioxobutanoate|CS-0072392|39757-29-4 https://www.jk-sci.com/products/s57c4x-179716 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09d5de3c2b70b4550ef078ae3be9aaa2.jpg?v=1791713796 Tenofovir Alafenamide Impurity 16, 98.40% | 390409-27-5 Tenofovir Alafenamide Impurity 16|C4X-179716|390409-27-5 https://www.jk-sci.com/products/ts246cs-0072631 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e09ddd2e8200f08cf4881ffe5b10b6a.jpg?v=1791673655 6-(4-Methylpiperazin-1-yl)pyridazin-3-ol, 95% | 344287-23-6 6-(4-Methylpiperazin-1-yl)pyridazin-3-ol|CS-0072631|344287-23-6 https://www.jk-sci.com/products/ts246cs-0073172 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04ff60e706d3bae50e651cebaa74a7d3.jpg?v=1791673575 3-Methyl-2,3-dihydro-1H-indole hydrochloride, 97.00%+ | 21573-62-6 3-Methyl-2,3-dihydro-1H-indole hydrochloride|CS-0073172|21573-62-6 https://www.jk-sci.com/products/s57c4x-180228 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c2a293bf-668c-4f89-a12d-c67f85bc1d25.png?v=1791713765 Miconazole EP Impurity E, 92.80% Miconazole EP Impurity E|C4X-180228 https://www.jk-sci.com/products/ts246cs-0072886 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111777_3e532c24-7918-4b86-949b-8e0ba1fd89ea.png?v=1791673617 5-Phenyl-1,3,4-oxadiazole-2-thiol, 99.69%+ | 3004-42-0 5-Phenyl-1,3,4-oxadiazole-2-thiol|CS-0072886|3004-42-0 https://www.jk-sci.com/products/ts246cs-0074093 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cfb3da67b53cf4b1c31e0d314f558de.jpg?v=1791673522 5-Bromo-[1,7]naphthyridine, 98% | 17965-76-3 5-Bromo-[1,7]naphthyridine|CS-0074093|17965-76-3 https://www.jk-sci.com/products/s57c4x-18111 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df45af6c8ace0aaed4a34333360fd94.jpg?v=1791713691 Pranoprofen Impurity 1, 98.70% | 53944-31-3 Pranoprofen Impurity 1|C4X-18111|53944-31-3 https://www.jk-sci.com/products/ts246cs-0074290 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305322.png?v=1791673485 3-Aminocoumarin, 98% | 1635-31-0 3-Aminocoumarin|CS-0074290|1635-31-0 https://www.jk-sci.com/products/s57c4x-180911 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d65d010-8a95-40ca-9182-4d701da17c33.png?v=1791713725 Adapalene Impurity 11, 99.50% Adapalene Impurity 11|C4X-180911 https://www.jk-sci.com/products/ts246cs-0074805 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27e4028ec793d354bc4f8d160434b306.jpg?v=1791673425 2-(Ethoxycarbonyl)-1H-indole-5-carboxylic acid, 97% | 138731-14-3 2-(Ethoxycarbonyl)-1H-indole-5-carboxylic acid|CS-0074805|138731-14-3 https://www.jk-sci.com/products/ts246cs-0075143 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d842423a5e82e7be9e951780aa776cd.jpg?v=1791673398 2-Amino-2-cyclopropylethan-1-ol hydrochloride, 97.00%+ | 1306603-98-4 2-Amino-2-cyclopropylethan-1-ol hydrochloride|CS-0075143|1306603-98-4 https://www.jk-sci.com/products/s57c4x-18121 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75d2c02dcb4eb441c80c6ba66f713044.jpg?v=1791713660 Suvorexant Impurity 1, Purity: 98.7% | 1030377-80-0 Suvorexant Impurity 1|C4X-18121|1030377-80-0 https://www.jk-sci.com/products/s57c4x-181345 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d64469a79b6d6bf617e100aedc395bf8.jpg?v=1791713630 Butylphthalide Impurity 45 Potassium, 96.50% | 685886-82-2 Butylphthalide Impurity 45 Potassium|C4X-181345|685886-82-2 https://www.jk-sci.com/products/ts246cs-0075427 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273093_b54e705b-fec2-4ac2-9b52-296519c618dc.png?v=1791673376 4-(5-Chloro-2-thienyl)-1,3-thiazol-2-amine, 98.00%+ | 123971-45-9 4-(5-Chloro-2-thienyl)-1,3-thiazol-2-amine|CS-0075427|123971-45-9 https://www.jk-sci.com/products/ts246cs-0075560 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442610_2c28b421-934e-413e-8117-60e5bf4233c1.png?v=1791673350 2-Imidazolidone, 96%, 97% | 120-93-4 2-Imidazolidone, 96%|CS-0075560|120-93-4 https://www.jk-sci.com/products/ts246cs-0075781 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589625_77a48e72-adc4-485a-be9d-32b143d6530d.png?v=1791673326 Anthraquinone-2-carboxylic acid, 97% | 117-78-2 Anthraquinone-2-carboxylic acid|CS-0075781|117-78-2 https://www.jk-sci.com/products/ts246cs-0076122 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a73c283fd7b08dcab3c8493bb5433ca.jpg?v=1791673292 Methyl 2-amino-5,5,7,7-tetramethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate, 98% | 1105194-93-1 Methyl 2-amino-5,5,7,7-tetramethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate|CS-0076122|1105194-93-1 https://www.jk-sci.com/products/ts246cs-0076396 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02758615a39a0de41755f1c0c9fe1520.jpg?v=1791673282 2-Bromo-4H,5H,6H-cyclopenta[d][1,3]thiazole, 98% | 1080642-17-6 2-Bromo-4H,5H,6H-cyclopenta[d][1,3]thiazole|CS-0076396|1080642-17-6 https://www.jk-sci.com/products/ts246cs-0076566 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294f4cfe65ad57280d7950db175f7394.jpg?v=1791673255 (E)-3-(3-Methylthiophen-2-yl)acrylic acid, 96.09%+ | 102696-70-8 (E)-3-(3-Methylthiophen-2-yl)acrylic acid|CS-0076566|102696-70-8 https://www.jk-sci.com/products/ts246cs-0076752 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f3cc80ff788b375948ea09e307eb794.jpg?v=1791673225 2-(2-(Pyridin-2-yl)-1H-benzo[d]imidazol-1-yl)acetic acid, 97% | 100726-39-4 2-(2-(Pyridin-2-yl)-1H-benzo[d]imidazol-1-yl)acetic acid|CS-0076752|100726-39-4 https://www.jk-sci.com/products/ts246cs-0076836 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/140425.png?v=1791673210 2,6-Dichlorobenzenethiol, 98% | 24966-39-0 2,6-Dichlorobenzenethiol|CS-0076836|24966-39-0 https://www.jk-sci.com/products/ts246cs-0077124 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/512027.png?v=1791673148 1-(2-Hydroxyethyl)imidazolidin-2-one, 97% | 3699-54-5 1-(2-Hydroxyethyl)imidazolidin-2-one|CS-0077124|3699-54-5 https://www.jk-sci.com/products/ts246cs-0077160 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89ce6ce884406094484dff96949f8d29.jpg?v=1791673143 N1-(2-(Dimethylamino)ethyl)-N1,N2,N2-trimethylethane-1,2-diamine, 98% | 3030-47-5 N1-(2-(Dimethylamino)ethyl)-N1,N2,N2-trimethylethane-1,2-diamine|CS-0077160|3030-47-5 https://www.jk-sci.com/products/s57c4x-1814114 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0be7119d92bf86eb82e206915ed939e.jpg?v=1791713598 Nintedanib Esylate Hemihydrate, 92.80% | 3059992-86-5 Nintedanib Esylate Hemihydrate|C4X-1814114|3059992-86-5 https://www.jk-sci.com/products/ts246cs-0077250 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58f4293fa361e7cc103874c1383ada6f.jpg?v=1791673133 2-Hydroxy-N,N-dimethylacetamide, 98% | 14658-93-6 2-Hydroxy-N,N-dimethylacetamide|CS-0077250|14658-93-6 https://www.jk-sci.com/products/ts246cs-0077187 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264425_0d98364f-a628-4f9b-9863-9f5bb0352b58.png?v=1791673141 L-Phenylalanyl-L-leucine, 95% | 3303-55-7 L-Phenylalanyl-L-leucine|CS-0077187|3303-55-7 https://www.jk-sci.com/products/ts246cs-0077660 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8340e8615d66d39d9d209d8cfbf1e7cc.jpg?v=1791673078 Methyl 2-oxotetrahydrofuran-3-carboxylate, 95% | 19406-00-9 Methyl 2-oxotetrahydrofuran-3-carboxylate|CS-0077660|19406-00-9 https://www.jk-sci.com/products/s57c4x-181471 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c529a281d2dd81ecc14c4d540e2894d.jpg?v=1791713574 Nintedanib Impurity 71, Purity: 97.0% | 2243384-71-4 Nintedanib Impurity 71|C4X-181471|2243384-71-4 https://www.jk-sci.com/products/ts246cs-0077563 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7335e468659c43ec5600373ce16a9e36.jpg?v=1791673106 Methyl 3-amino-2-methoxybenzoate, 98% | 5129-25-9 Methyl 3-amino-2-methoxybenzoate|CS-0077563|5129-25-9 https://www.jk-sci.com/products/ts246cs-0078565 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8516d56328796d5670b076aad156364f.jpg?v=1791673043 tert-Butyl 3-formylazepane-1-carboxylate, 98% | 1440961-03-4 tert-Butyl 3-formylazepane-1-carboxylate|CS-0078565|1440961-03-4 https://www.jk-sci.com/products/ts246cs-0078592 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf6ddfc4909caeded6572971398c6ee5.jpg?v=1793049148 4-Aminobenzo[c][1,2]oxaborol-1(3H)-ol, 99.78%+ | 1285533-08-5 4-Aminobenzo[c][1,2]oxaborol-1(3H)-ol|CS-0078592|1285533-08-5 https://www.jk-sci.com/products/ts246cs-0078603 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5fb53be6e99527e9b025a1c00ef9a21.jpg?v=1791673027 (R)-tert-Butyl azepan-3-ylcarbamate, 97.00%+ | 1354351-56-6 (R)-tert-Butyl azepan-3-ylcarbamate|CS-0078603|1354351-56-6 https://www.jk-sci.com/products/ts246cs-0078606 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257799.png?v=1791673023 Benzo[c][1,2]oxaborol-1(3H)-ol, 97.00%+ | 5735-41-1 Benzo[c][1,2]oxaborol-1(3H)-ol|CS-0078606|5735-41-1 https://www.jk-sci.com/products/ts246cs-0078674 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/242437.png?v=1791673007 2-(Methylthio)pyrimidine-4,6-diamine, 96% | 1005-39-6 2-(Methylthio)pyrimidine-4,6-diamine|CS-0078674|1005-39-6 https://www.jk-sci.com/products/ts246cs-0078716 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316987.png?v=1791673002 6-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3,9-dihydro-2H-purine-2-thione, 96% | 43157-50-2 6-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3,9-dihydro-2H-purine-2-thione|CS-0078716|43157-50-2 https://www.jk-sci.com/products/ts246cs-0079131 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ee757cdc354a8efbb3fafa1391f6f2c.jpg?v=1791672966 tert-Butyl (3S,4S)-3-hydroxy-4-(hydroxymethyl)pyrrolidine-1-carboxylate, 95.00%+ | 849935-87-1 tert-Butyl (3S,4S)-3-hydroxy-4-(hydroxymethyl)pyrrolidine-1-carboxylate|CS-0079131|849935-87-1 https://www.jk-sci.com/products/ts246cs-0078775 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b969c23722b00bcc2b8cc8bcef859b04.jpg?v=1791672996 3-Chlorobicyclo[1.1.1]pentane-1-carboxylic acid, 98% | 156329-73-6 3-Chlorobicyclo[1.1.1]pentane-1-carboxylic acid|CS-0078775|156329-73-6 https://www.jk-sci.com/products/ts246cs-0079222 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1693e350207dcf957a6572a02c2f6319.jpg?v=1791672938 1-(tert-Butoxycarbonyl)-4-hydroxypiperidine-3-carboxylic acid, 97% | 1015939-24-8 1-(tert-Butoxycarbonyl)-4-hydroxypiperidine-3-carboxylic acid|CS-0079222|1015939-24-8 https://www.jk-sci.com/products/ts246cs-0079038 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502e523b142d90486b51cfe848cc333e.jpg?v=1791672978 tert-Butyl 2-methylpiperidine-1-carboxylate, 99.63%+ | 126503-04-6 tert-Butyl 2-methylpiperidine-1-carboxylate|CS-0079038|126503-04-6 https://www.jk-sci.com/products/s57c4x-18225 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a9a81253-2c29-492f-b02c-4991e810bad9.png?v=1791713484 Leuprorelin EP Impurity E Acetate, 88.10% Leuprorelin EP Impurity E Acetate|C4X-18225 https://www.jk-sci.com/products/ts246cs-0079600 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fa692a5e8d0f9de1e6505ee56ec5579.jpg?v=1791672905 4-Bromo-1,5-dimethyl-1H-1,2,3-triazole, 98% | 885877-41-8 4-Bromo-1,5-dimethyl-1H-1,2,3-triazole|CS-0079600|885877-41-8 https://www.jk-sci.com/products/ts246cs-0067654 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6019fc057804ce21e07736d09cc94f8e.jpg?v=1791674435 tert-Butyl (pyrrolidin-2-ylmethyl)carbamate hydrochloride, 97% | 1188263-71-9 tert-Butyl (pyrrolidin-2-ylmethyl)carbamate hydrochloride|CS-0067654|1188263-71-9 https://www.jk-sci.com/products/ts246cs-0071457 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410344.png?v=1791673939 Biphenyl-3-sulfonyl chloride, 98.00%+ | 65685-01-0 Biphenyl-3-sulfonyl chloride|CS-0071457|65685-01-0 https://www.jk-sci.com/products/ts246cs-0075172 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f6fb5df7a6528d5190d04fd3a035a78.jpg?v=1791673388 5-Methoxy-3,4-dihydroisoquinolin-1(2H)-one, 97% | 129075-49-6 5-Methoxy-3,4-dihydroisoquinolin-1(2H)-one|CS-0075172|129075-49-6 https://www.jk-sci.com/products/s57c4x-1822 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5af38cd87f77c502f90251ce7e9d546b.jpg?v=1791713512 Leuprolide Acetate, 83.30% | 74381-53-6 Leuprolide Acetate|C4X-1822|74381-53-6 https://www.jk-sci.com/products/ts246cs-0076604 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485273_ad0b4624-abce-4b54-bb36-64f57128e350.png?v=1791673241 4-(2,5-Dimethylphenyl)thiazol-2-amine, 96% | 101967-39-9 4-(2,5-Dimethylphenyl)thiazol-2-amine|CS-0076604|101967-39-9 https://www.jk-sci.com/products/ts246cs-0079379 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a418a1a5ca86800e544adadcefec95d.jpg?v=1791672910 3-Chloro-5-fluoropicolinic acid, 97% | 128073-01-8 3-Chloro-5-fluoropicolinic acid|CS-0079379|128073-01-8 https://www.jk-sci.com/products/ts246cs-0073653 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597330_3a5a7c9a-6ae4-400c-aaf5-e15692abd051.png?v=1791673557 6-Fluoro-4-hydroxy-2H-chromen-2-one, 99.60%+ | 1994-13-4 6-Fluoro-4-hydroxy-2H-chromen-2-one|CS-0073653|1994-13-4 https://www.jk-sci.com/products/ts246cs-0075721 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61f5fb93a0ef427183458d62e9d38ec7.jpg?v=1791673331 5-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride, 95% | 1187932-31-5 5-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride|CS-0075721|1187932-31-5 https://www.jk-sci.com/products/ts246cs-0079629 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13c1ac3a37568ed9c31db10e8f510cb7.jpg?v=1791672890 NH2-PEG7, 95% | 1425973-14-3 NH2-PEG7|CS-0079629|1425973-14-3 https://www.jk-sci.com/products/ts246cs-0074586 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9fbf5410f5b6cd9faf7f670c0f4f262.jpg?v=1791673450 Bemethyl, 99.83%+ | 14610-11-8 Bemethyl|CS-0074586|14610-11-8 https://www.jk-sci.com/products/ts246cs-0077573 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150829.png?v=1791673100 5-(M-Tolyl)tetrazole, 99.58%+ | 3441-00-7 5-(M-Tolyl)tetrazole|CS-0077573|3441-00-7 https://www.jk-sci.com/products/s57c4x-182228 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_254305cb-9773-4657-b74a-116a687ee867.png?v=1791713497 Leuprorelin EP Impurity J Acetate, 91.50% Leuprorelin EP Impurity J Acetate|C4X-182228 https://www.jk-sci.com/products/s57c4x-18244 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_435ae785-e21d-40d4-bec7-e44f3cd3dc81.png?v=1791713473 Δ2-Cefcapene Pivoxil, 91.30% Δ2-Cefcapene Pivoxil|C4X-18244 https://www.jk-sci.com/products/ts246cs-0076304 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515391_c5512eae-9754-44bb-abed-d94284be8fbf.png?v=1791673286 2-(Isopropylamino)ethanol, 97% | 109-56-8 2-(Isopropylamino)ethanol|CS-0076304|109-56-8 https://www.jk-sci.com/products/ts246cs-0076925 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/506492.png?v=1791673183 Adamantane-1-carbonitrile, 97% | 23074-42-2 Adamantane-1-carbonitrile|CS-0076925|23074-42-2 https://www.jk-sci.com/products/ts246cs-0072177 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ab997bcebeca916d7139e03ac44a23.jpg?v=1791673756 6-Hydroxy-2H-1,3-benzodioxole-5-carbaldehyde, 98% | 4720-68-7 6-Hydroxy-2H-1,3-benzodioxole-5-carbaldehyde|CS-0072177|4720-68-7 https://www.jk-sci.com/products/ts246cs-0077243 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27b2bd1e87de1a95d07b94769419577c.jpg?v=1791673138 4-Bromo-1-(difluoromethoxy)-2-fluorobenzene, 97% | 147992-27-6 4-Bromo-1-(difluoromethoxy)-2-fluorobenzene|CS-0077243|147992-27-6 https://www.jk-sci.com/products/ts246cs-0072769 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593399.png?v=1791673634 4-(4-Iodophenyl)-1,3-thiazol-2-amine, 98% | 31699-14-6 4-(4-Iodophenyl)-1,3-thiazol-2-amine|CS-0072769|31699-14-6 https://www.jk-sci.com/products/ts246cs-0078588 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c3768d9b3f609efe22a3933bd6c35a5.jpg?v=1791673039 4-Chloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine, 96% | 85426-79-5 4-Chloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine|CS-0078588|85426-79-5 https://www.jk-sci.com/products/s57c4x-18199 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fb2812557f9ccb4fab97ec4baa49e3d.jpg?v=1791713540 Riboflavin 4＇,5＇-Diphosphate, 93.20% | 86108-25-0 Riboflavin 4＇,5＇-Diphosphate|C4X-18199|86108-25-0 https://www.jk-sci.com/products/ts246cs-0078604 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21a85d47e2f98d20023939daa4bc6c9d.jpg?v=1791673026 2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile, 97.00%+ | 1231892-37-7 2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile|CS-0078604|1231892-37-7 https://www.jk-sci.com/products/s57c4x-182640 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c4779b94a9269244a0d877fb5eedf27.jpg?v=1791713448 Iguratimod Impurity 40, 93.10% | 1179354-65-4 Iguratimod Impurity 40|C4X-182640|1179354-65-4 https://www.jk-sci.com/products/ts246cs-0078675 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/652881_10e81ada-5cd8-470f-bd6f-61134da5d293.png?v=1791673007 4-Methyl-2-(methylthio)pyrimidine-5-carboxylic acid, 95% | 98276-75-6 4-Methyl-2-(methylthio)pyrimidine-5-carboxylic acid|CS-0078675|98276-75-6 https://www.jk-sci.com/products/ts246cs-0078842 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70f5203cb2172a13bde0f7e507488c39.jpg?v=1791672994 2-Amino-N-isopropylbenzenesulfonamide, 99.92%+ | 761435-31-8 2-Amino-N-isopropylbenzenesulfonamide|CS-0078842|761435-31-8 https://www.jk-sci.com/products/s57c4x-182611 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460727_a0ca68df-c3be-45b5-833e-7e05a9c71113.png?v=1791713461 Iguratimod Impurity 11, 95.10% | 16156-59-5 Iguratimod Impurity 11|C4X-182611|16156-59-5 https://www.jk-sci.com/products/ts246cs-0079201 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92a7eba62e8923d6ad827a381e9ff731.jpg?v=1791672959 tert-Butyl 3-(2-bromoethyl)azetidine-1-carboxylate, 96.16%+ | 1420859-80-8 tert-Butyl 3-(2-bromoethyl)azetidine-1-carboxylate|CS-0079201|1420859-80-8 https://www.jk-sci.com/products/s57c4x-182681 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9262d00a-5441-49fe-b2b1-1bbfe757b0a9.png?v=1791713434 Iguratimod Impurity 81, Purity: 97.9% Iguratimod Impurity 81|C4X-182681 https://www.jk-sci.com/products/ts246cs-0079505 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/040133ce64e7f0151428eb056c0d04ff.jpg?v=1791672905 Adamantanine, 97% | 42381-05-5 Adamantanine|CS-0079505|42381-05-5 https://www.jk-sci.com/products/s57c4x-182929 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141772_50c6148b-0c69-4c3b-98c4-d6af47ea98b5.png?v=1791713418 Letrozole Impurity 29, Purity: 99.5% | 612-13-5 Letrozole Impurity 29|C4X-182929|612-13-5 https://www.jk-sci.com/products/ts246cs-0080221 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313018.png?v=1791672779 N-Acetylsulfanilamide, 98.00%+ | 121-61-9 N-Acetylsulfanilamide|CS-0080221|121-61-9 https://www.jk-sci.com/products/ts246cs-0079689 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a25af3baf9f9310dedaf999d5bb475d9.jpg?v=1791672869 Ethyl 4-(hydroxymethyl)piperidine-1-carboxylate, 98% | 118156-56-2 Ethyl 4-(hydroxymethyl)piperidine-1-carboxylate|CS-0079689|118156-56-2 https://www.jk-sci.com/products/ts246cs-0079898 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/509987_9fc84dfd-8f8a-45f4-8b9a-1b19f73713d4.png?v=1791672844 Propan-1-amine hydrochloride, 97% | 556-53-6 Propan-1-amine hydrochloride|CS-0079898|556-53-6 https://www.jk-sci.com/products/ts246cs-0080319 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/776ea7fdce44fa3263f0517a19e6d0ac.jpg?v=1791672764 tert-Butyl 4-methoxypiperidine-1-carboxylate, 98% | 188622-27-7 tert-Butyl 4-methoxypiperidine-1-carboxylate|CS-0080319|188622-27-7 https://www.jk-sci.com/products/s57c4x-18304 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efb16b5dbf0e386d8a26994595f1abae.jpg?v=1791713400 Lacosamide EP Impurity C (R-isomer), 96.30% | 2742962-60-1 Lacosamide EP Impurity C (R-isomer)|C4X-18304|2742962-60-1 https://www.jk-sci.com/products/ts246cs-0080476 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea7e5ff5d09e126ed194b541f82751a3.jpg?v=1791672701 5-(4-Ethylphenyl)-3-(trifluoromethyl)-1H-pyrazole, 97% | 1037420-88-4 5-(4-Ethylphenyl)-3-(trifluoromethyl)-1H-pyrazole|CS-0080476|1037420-88-4 https://www.jk-sci.com/products/ts246cs-0080522 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cbb261338ca8030c763cf002d3295f5.jpg?v=1791672681 (2-Methylimidazo[2,1-b][1,3,4]thiadiazol-6-yl)methanamine, 96.00%+ | 933734-68-0 (2-Methylimidazo[2,1-b][1,3,4]thiadiazol-6-yl)methanamine|CS-0080522|933734-68-0 https://www.jk-sci.com/products/ts246cs-0080417 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eecd66184a227e0f5374cee1e470d1c5.jpg?v=1791672735 Pyrazolo[1,5-a]pyrimidin-7-ol, 98% | 57489-79-9 Pyrazolo[1,5-a]pyrimidin-7-ol|CS-0080417|57489-79-9 https://www.jk-sci.com/products/ts246cs-0080408 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ceb99de706254938e8396a8363bda03.jpg?v=1791672741 (5-(Trifluoromethyl)-1H-pyrazol-3-yl)methanol, 98% | 169213-73-4 (5-(Trifluoromethyl)-1H-pyrazol-3-yl)methanol|CS-0080408|169213-73-4 https://www.jk-sci.com/products/ts246cs-0080570 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314842.png?v=1791672676 Se-Methylselenocysteine, 97.00%+ | 26046-90-2 Se-Methylselenocysteine|CS-0080570|26046-90-2 https://www.jk-sci.com/products/ts246cs-0080509 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301327.png?v=1791672686 1,4-Bis(trimethylsilyl)benzene, 98% | 13183-70-5 1,4-Bis(trimethylsilyl)benzene|CS-0080509|13183-70-5 https://www.jk-sci.com/products/ts246cs-0080449 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148655.png?v=1791672708 5-(tert-Butyl)-3-(trifluoromethyl)-1H-pyrazole, 98% | 150433-22-0 5-(tert-Butyl)-3-(trifluoromethyl)-1H-pyrazole|CS-0080449|150433-22-0 https://www.jk-sci.com/products/s57c4x-18322 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af1ba67bbdcc704a52e06486a592a608.jpg?v=1791713380 Iopromide EP Impurity B, 95.90% | 76350-28-2 Iopromide EP Impurity B|C4X-18322|76350-28-2 https://www.jk-sci.com/products/ts246cs-0080631 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/140793.png?v=1793049129 Palladium(II) oxide, 99.00%+ | 1314-08-5 Palladium(II) oxide|CS-0080631|1314-08-5 https://www.jk-sci.com/products/s57c4x-183336 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfd2334a01cb4c1d83dd20c443c15cf9.jpg?v=1791713362 Peramivir Impurity 36, 99.80% | 383910-25-6 Peramivir Impurity 36|C4X-183336|383910-25-6 https://www.jk-sci.com/products/s57c4x-183371 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2eaf0200df38ec1a93dfa1e926e36b14.jpg?v=1791713349 Peramivir impurity 71, 95.70% | 229614-37-3 Peramivir impurity 71|C4X-183371|229614-37-3 https://www.jk-sci.com/products/s57c4x-18355 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27cd164e784425ff3382a615dbc74aa4.jpg?v=1791713315 Hydroxychloroquine EP Impurity E, 95.20% | 10500-64-8 Hydroxychloroquine EP Impurity E|C4X-18355|10500-64-8 https://www.jk-sci.com/products/s57c4x-1835 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521810_85e7d760-4b0d-4c6c-b808-d8acc55b8603.png?v=1791713333 Hydroxychloroquine sulfate, 98.90% | 747-36-4 Hydroxychloroquine sulfate|C4X-1835|747-36-4 https://www.jk-sci.com/products/s57c4x-18361 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795154_3bfd0997-c881-45d7-865b-fe3322ddf403.png?v=1791713304 Torasemide EP Impurity A, 92.80% | 72810-61-8 Torasemide EP Impurity A|C4X-18361|72810-61-8 https://www.jk-sci.com/products/ts246cs-0080671 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9359c933993a44f0a6beb37eaa45b624.jpg?v=1791672640 Ethyl 5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate, 98% | 32278-52-7 Ethyl 5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate|CS-0080671|32278-52-7 https://www.jk-sci.com/products/ts246cs-0080694 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f46c43bf8100369a2ee70fa3ef36bc4.jpg?v=1793049128 Bis(2,26,6Tetramethylheptanedionato)palladium(II), 97.00%+ | 15214-66-1 Bis(2,26,6Tetramethylheptanedionato)palladium(II)|CS-0080694|15214-66-1 https://www.jk-sci.com/products/s57c4x-18372 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb2e1ab3-4c54-4093-84c8-e52678743494.png?v=1791713288 rac-Clemastine Fumarate EP Impurity B HCl, 90.90% rac-Clemastine Fumarate EP Impurity B HCl|C4X-18372 https://www.jk-sci.com/products/s57c4x-184013 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82526172b2e094895e53482b1e8bfc2d.jpg?v=1791713243 Epinastine Impurity 13 HCl, 95.00% | 141342-69-0 Epinastine Impurity 13 HCl|C4X-184013|141342-69-0 https://www.jk-sci.com/products/s57c4x-18384 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485510_be6a8beb-64da-4ede-96b5-1c6e9f9f01fd.png?v=1791713263 Betahistine Impurity 4, 95.20% | 5344-27-4 Betahistine Impurity 4|C4X-18384|5344-27-4 https://www.jk-sci.com/products/s57c4x-184024 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/849a3fa7510601544537b67c7ba291e5.jpg?v=1791713237 Epinastine Impurity 24, 99.50% | 1110929-19-5 Epinastine Impurity 24|C4X-184024|1110929-19-5 https://www.jk-sci.com/products/s57c4x-184030 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ada284f-a5bb-4116-a7c2-199666229260.png?v=1791713230 Epinastine Impurity 30, 99.90% Epinastine Impurity 30|C4X-184030 https://www.jk-sci.com/products/s57c4x-1838 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478074_65d3da40-2fa0-4e9c-a4bd-c9113fab7f42.png?v=1791713276 Betahistine Dihydrochloride, 99.10% | 5579-84-0 Betahistine Dihydrochloride|C4X-1838|5579-84-0 https://www.jk-sci.com/products/s57c4x-18407 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1d33e6cbd28812595c365e165078972.jpg?v=1791713226 Epinastine EP Impurity B, 83.10% | 1217052-16-8 Epinastine EP Impurity B|C4X-18407|1217052-16-8 https://www.jk-sci.com/products/ts246cs-0080725 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbc1acaa537e18effea06892df20ee29.jpg?v=1791672600 Potassium hexachloropalladate(IV), 99.95%+ | 16919-73-6 Potassium hexachloropalladate(IV)|CS-0080725|16919-73-6 https://www.jk-sci.com/products/s57c4x-184214 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466111_31fe1a9e-4413-44c3-9cbb-c5ab4142f6f0.png?v=1791713216 Paclitaxel EP Impurity N, 97.30% | 27548-93-2 Paclitaxel EP Impurity N|C4X-184214|27548-93-2 https://www.jk-sci.com/products/s57c4x-184223 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246759_77cd49d7-82cf-4407-8fd7-114190fbac66.png?v=1791713209 Paclitaxel EP Impurity B, 92.40% | 71610-00-9 Paclitaxel EP Impurity B|C4X-184223|71610-00-9 https://www.jk-sci.com/products/s57c4x-184231 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c4ed4eef91e0643b3dc64b4ae1c5889.jpg?v=1791713204 Paclitaxel Impurity 31, 91.70% | 171926-87-7 Paclitaxel Impurity 31|C4X-184231|171926-87-7 https://www.jk-sci.com/products/s57c4x-18427 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150233_b95e12ff-a1f5-4ab7-b109-ea9f42a4f313.png?v=1791713193 Paclitaxel EP Impurity G, 99.00% | 78432-77-6 Paclitaxel EP Impurity G|C4X-18427|78432-77-6 https://www.jk-sci.com/products/s57c4x-18441 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23634c29d5ca3592fdeb63bf4145ab4c.jpg?v=1791713184 Amphotericin B Impurity 1(Amphotericin B Methyl Ester), Purity: 96.1% | 36148-89-7 Amphotericin B Impurity 1(Amphotericin B Methyl Ester)|C4X-18441|36148-89-7 https://www.jk-sci.com/products/ts246cs-0070212 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d08ff7d70b28f748a886ac31129278d.jpg?v=1791674099 1-(4-Fluorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxylic acid, 98% | 941869-20-1 1-(4-Fluorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxylic acid|CS-0070212|941869-20-1 https://www.jk-sci.com/products/s57c4x-184914 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9730ce4d63831cef776f9f101fb5728.jpg?v=1791713161 D-(+)-Epinephrine, 98.70% | 150-05-0 D-(+)-Epinephrine|C4X-184914|150-05-0 https://www.jk-sci.com/products/s57c4x-184730 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51f264ec7fa08b21b4a2040bfbd97e96_d29d4562-0019-4c69-90b7-fe03a293369c.jpg?v=1791713171 Bosutinib Impurity 30, 99.00% | 4128-37-4 Bosutinib Impurity 30|C4X-184730|4128-37-4 https://www.jk-sci.com/products/s57c4x-184511 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310762_d6daefa6-0c2a-41f5-84f7-b55cff0f058e.png?v=1791713176 Neomycin Sulfate EP Impurity A, 88.40% | 3947-65-7 Neomycin Sulfate EP Impurity A|C4X-184511|3947-65-7 https://www.jk-sci.com/products/s57c4x-184942 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145930ac83481014e97895ca58429628.jpg?v=1791713138 Adrenaline Impurity 42, 97.10% | 18191-22-5 Adrenaline Impurity 42|C4X-184942|18191-22-5 https://www.jk-sci.com/products/ts246cs-0072572 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bf3a2bee8d665f2c31decc5e9597025.jpg?v=1791673666 5-Iodo-2-nitrobenzoic acid, 97% | 35674-28-3 5-Iodo-2-nitrobenzoic acid|CS-0072572|35674-28-3 https://www.jk-sci.com/products/ts246cs-0074195 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487570_56e47fe4-4b3e-4296-86cf-3ece5ee238e2.png?v=1791673500 4-Amino-N,N-dimethylbenzenesulfonamide, 95% | 1709-59-7 4-Amino-N,N-dimethylbenzenesulfonamide|CS-0074195|1709-59-7 https://www.jk-sci.com/products/s57c4x-184931 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9285ccb6407bef3e1f2b4c901e23f3e.jpg?v=1791713151 Adrenaline EP Impurity F, 99.20% | 78995-75-2 Adrenaline EP Impurity F|C4X-184931|78995-75-2 https://www.jk-sci.com/products/ts246cs-0075548 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cfe7a413d4a6298b09c439f3ac90296.jpg?v=1791673356 6-Ethynylnicotinonitrile, 98% | 1211588-35-0 6-Ethynylnicotinonitrile|CS-0075548|1211588-35-0 https://www.jk-sci.com/products/ts246cs-0076451 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38b1ea256e57d84b5d68974a5b142daa.jpg?v=1791673276 tert-Butyl (1-(3-aminopyridin-2-yl)piperidin-3-yl)carbamate, 97% | 1052705-54-0 tert-Butyl (1-(3-aminopyridin-2-yl)piperidin-3-yl)carbamate|CS-0076451|1052705-54-0 https://www.jk-sci.com/products/s57c4x-18496 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f48a4f865dba1fa5e87083b3ce7fd7d.jpg?v=1791713118 Rac-Adrenaline EP Impurity F (Epinephrine Sulfonic Acid), 97.30% | 26405-77-6 Rac-Adrenaline EP Impurity F (Epinephrine Sulfonic Acid)|C4X-18496|26405-77-6 https://www.jk-sci.com/products/ts246cs-0077000 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64f7bee28cc312ba05f9248c720cf449.jpg?v=1791673158 1-Cyclopropyl-2-(triphenylphosphoranylidene)ethanone, 98% | 7691-76-1 1-Cyclopropyl-2-(triphenylphosphoranylidene)ethanone|CS-0077000|7691-76-1 https://www.jk-sci.com/products/s57c4x-184954 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f8344b6a-232c-4693-90e6-302f15a81951.png?v=1791713131 Adrenalone Hydrochloride Hydrate, 97.60% Adrenalone Hydrochloride Hydrate|C4X-184954 https://www.jk-sci.com/products/ts246cs-0077363 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/140167.png?v=1791673122 2-Amino-N-cyclopropylacetamide hydrochloride, 97% | 670253-51-7 2-Amino-N-cyclopropylacetamide hydrochloride|CS-0077363|670253-51-7 https://www.jk-sci.com/products/s57c4x-184970 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69b05d0b97bb10b806921593450fa9d9.jpg?v=1791713113 Metanephrine HCl | 881-95-8 Metanephrine HCl|C4X-184970|881-95-8 https://www.jk-sci.com/products/s57c4x-185061 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47022daff257eb559db5e0f6ea690b81.jpg?v=1791713088 Atracurium Besilate EP Impurity E, 97.30% | 1075727-06-8 Atracurium Besilate EP Impurity E|C4X-185061|1075727-06-8 https://www.jk-sci.com/products/ts246cs-0078597 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4787373ff49836fe0391de262b141296.jpg?v=1791673034 8-Methyl-8-azabicyclo[3.2.1]octan-3-amine, 96% | 98998-25-5 8-Methyl-8-azabicyclo[3.2.1]octan-3-amine|CS-0078597|98998-25-5 https://www.jk-sci.com/products/s57c4x-185012 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e10cdafedc1f52bf3f021fb82552807e.jpg?v=1791713108 Cisatracurium Besylate EP Impurity O, 94.70% | 2803857-42-1 Cisatracurium Besylate EP Impurity O|C4X-185012|2803857-42-1 https://www.jk-sci.com/products/s57c4x-185020 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418f9dfca4c1d71df64dee0d3281c5c1.jpg?v=1791713098 Cisatracurium EP Impurity F Besylate, 93.00% | 1100676-16-1 Cisatracurium EP Impurity F Besylate|C4X-185020|1100676-16-1 https://www.jk-sci.com/products/ts246cs-0078737 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63574501086894d798549665f0046d09.jpg?v=1791672996 N-Boc-PEG5-bromide, 95% | 1392499-32-9 N-Boc-PEG5-bromide|CS-0078737|1392499-32-9 https://www.jk-sci.com/products/ts246cs-0079250 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/193190b55dcc1c07a6a836c06c799f18.jpg?v=1791672920 tert-Butyl (R)-3-methoxypyrrolidine-1-carboxylate, 95% | 549532-08-3 tert-Butyl (R)-3-methoxypyrrolidine-1-carboxylate|CS-0079250|549532-08-3 https://www.jk-sci.com/products/s57c4x-18508 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6443d41df9ac95635e576cf39fa01b0.jpg?v=1791713072 Atracurium EP Impurity G, 87.70% | 96946-46-2 Atracurium EP Impurity G|C4X-18508|96946-46-2 https://www.jk-sci.com/products/s57c4x-185436 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3fdc0f262896cbd887d76352e266591.jpg?v=1791713046 Arotinolol Impurity 36, 98.10% | 52561-15-6 Arotinolol Impurity 36|C4X-185436|52561-15-6 https://www.jk-sci.com/products/s57c4x-18546 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b66537faea4a5a9d20cd2df6079dac2.jpg?v=1791713037 Methyl 5-acetylthiophene-2-carboxylate(Arotinolol Impurity 6), Purity: 99.7% | 4101-81-9 Methyl 5-acetylthiophene-2-carboxylate(Arotinolol Impurity 6)|C4X-18546|4101-81-9 https://www.jk-sci.com/products/s57c4x-185416 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_68fd329c-71ce-46b7-a017-a5db8ab94e35.png?v=1791713056 Arotinolol Impurity 16, 96.20% Arotinolol Impurity 16|C4X-185416 https://www.jk-sci.com/products/s57c4x-1854 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361080_7fa9b111-ca48-4b16-b736-921b28c3cf14.png?v=1791713066 Arotinolol Hydrochloride, 98.60% | 68377-91-3 Arotinolol Hydrochloride|C4X-1854|68377-91-3 https://www.jk-sci.com/products/ts246cs-0079633 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65f9e228fc58f1fb63d1412cf9e0adbe.jpg?v=1791672889 (S)-tert-Butyl 3-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate, 97.00%+ | 1217737-76-2 (S)-tert-Butyl 3-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate|CS-0079633|1217737-76-2 https://www.jk-sci.com/products/s57c4x-1855 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/158047_69f13ec0-c68b-436d-9e52-ddcf66b5d333.png?v=1791713032 Aminophylline, 98.50% | 317-34-0 Aminophylline|C4X-1855|317-34-0 https://www.jk-sci.com/products/s57c4x-18556 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403258_c59067c3-b9c3-44c0-9773-91ad3d4d0cf5.png?v=1791713021 Aminophylline EP Impurity F, 99.90% | 519-37-9 Aminophylline EP Impurity F|C4X-18556|519-37-9 https://www.jk-sci.com/products/s57c4x-185810 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13da2dc3-1346-4b64-991a-19909ea6bd61.png?v=1791713015 Trimebutine Impurity 10, Purity: 100.0% Trimebutine Impurity 10|C4X-185810 https://www.jk-sci.com/products/ts246cs-0080070 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02a8dcbdd1032d7f467009f5997bdb32.jpg?v=1791672804 Dipyrazino[2,3-f:2',3'-h]quinoxaline-2,3,6,7,10,11-hexacarbonitrile, 95% | 105598-27-4 Dipyrazino[2,3-f:2',3'-h]quinoxaline-2,3,6,7,10,11-hexacarbonitrile|CS-0080070|105598-27-4 https://www.jk-sci.com/products/ts246cs-0080362 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/638e01285e700b2491dfb5cb2f2e9bd9.jpg?v=1791672754 Ethyl 2-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate, 98% | 1394003-65-6 Ethyl 2-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate|CS-0080362|1394003-65-6 https://www.jk-sci.com/products/ts246cs-0080438 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a68fdadeb98139348913de65cc02045b.jpg?v=1791672719 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile, 98% | 1224288-95-2 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile|CS-0080438|1224288-95-2 https://www.jk-sci.com/products/ts246cs-0080496 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25ade36e0be7b41e00ffb765e1918b46.jpg?v=1791672691 Ethyl 3-amino-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate, 98% | 133922-58-4 Ethyl 3-amino-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate|CS-0080496|133922-58-4 https://www.jk-sci.com/products/s57c4x-185818 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7c2921923d4627cbdcbc6b0896b9ffb.jpg?v=1791713007 Trimebutine Impurity 18, 99.20% | 118291-70-6 Trimebutine Impurity 18|C4X-185818|118291-70-6 https://www.jk-sci.com/products/s57c4x-18584 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61d0907d981e9073b2824eb01c024cfb.jpg?v=1791713001 Trimebutine EP Impurity D, 99.00% | 92414-09-0 Trimebutine EP Impurity D|C4X-18584|92414-09-0 https://www.jk-sci.com/products/s57c4x-186012 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795958_fcfa8c2e-254e-491d-9c08-a77377718ae0.png?v=1791712990 Tigecycline Impurity 12, 91.40% | 149934-21-4 Tigecycline Impurity 12|C4X-186012|149934-21-4 https://www.jk-sci.com/products/s57c4x-18613 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e93165989db984e98b907ecdfa039d58.jpg?v=1791712986 Nikethamide Impurity 3, 99.60% | 68254-63-7 Nikethamide Impurity 3|C4X-18613|68254-63-7 https://www.jk-sci.com/products/ts246cs-0080670 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b67d86bbbf677d09978b685e30a3bda7.jpg?v=1793049129 DavePhos Pd G3, 96.00%+ | 1445085-87-9 DavePhos Pd G3|CS-0080670|1445085-87-9 https://www.jk-sci.com/products/s57c4x-186231 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381172_d4e07b2d-0847-4ba4-9427-f482cb75f3b1.png?v=1791712965 Pyr-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-Leu-Arg-Pro-Gly-NH2, Purity: 100.0% Pyr-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-Leu-Arg-Pro-Gly-NH2|C4X-186231 https://www.jk-sci.com/products/s57c4x-1862 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2839bc4d95f553bf8bdb45c0e00df6ac.jpg?v=1791712975 Triptorelin Acetate, 97.30% | 140194-24-7 Triptorelin Acetate|C4X-1862|140194-24-7 https://www.jk-sci.com/products/ts246cs-0080700 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791370cd728124093ceeacaea354145c.jpg?v=1791672617 O-(2-Methylbenzyl)hydroxylamine, 97% | 75959-26-1 O-(2-Methylbenzyl)hydroxylamine|CS-0080700|75959-26-1 https://www.jk-sci.com/products/s57c4x-186236 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5418d358-8f6c-4974-b2bc-354f02583107.png?v=1791712956 pGlu-His-L-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-NH2, Purity: 100.0% pGlu-His-L-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-NH2|C4X-186236 https://www.jk-sci.com/products/s57c4x-186414 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243051_1e30baca-b7d3-45c3-af92-81f587665a80.png?v=1791712946 Phenytoin EP Impurity F, 98.20% | 51169-17-6 Phenytoin EP Impurity F|C4X-186414|51169-17-6 https://www.jk-sci.com/products/ts246cs-0080798 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea9ffa42e15d83193d26b2b420e7fc44.jpg?v=1791672576 Methyl 3-bromo-6-oxo-1,6-dihydropyridine-2-carboxylate, 97.89%+ | 1214345-95-5 Methyl 3-bromo-6-oxo-1,6-dihydropyridine-2-carboxylate|CS-0080798|1214345-95-5 https://www.jk-sci.com/products/s57c4x-18647 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/451831_3adb5589-e224-4ef3-9b1a-876c610f2afb.png?v=1791712939 Phenytoin Impurity 7, 99.30% | 119-61-9 Phenytoin Impurity 7|C4X-18647|119-61-9 https://www.jk-sci.com/products/ts246cs-0080815 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5454e582c3c9b3e705de281b98dad35b.jpg?v=1791672570 Methyl 2,4-dimethylthieno[3,4-b]pyridine-7-carboxylate, 95% | 74695-25-3 Methyl 2,4-dimethylthieno[3,4-b]pyridine-7-carboxylate|CS-0080815|74695-25-3 https://www.jk-sci.com/products/ts246cs-0080882 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc9c02eddc3c4dd93a9a8f5749307fa5.jpg?v=1791672560 Ethyl 2-(quinazolin-4-yloxy)acetate, 98.09%+ | 874271-15-5 Ethyl 2-(quinazolin-4-yloxy)acetate|CS-0080882|874271-15-5 https://www.jk-sci.com/products/s57c4x-18662 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83e68cf74c45621b01414ed5a6001355.jpg?v=1791712934 Acipimox Impurity 2, 98.00% | 98502-96-6 Acipimox Impurity 2|C4X-18662|98502-96-6 https://www.jk-sci.com/products/s57c4x-187323 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dddc05fe-516f-421c-ac17-1030cf88432c.png?v=1791712918 Thiamine Nitrate EP Impurity A （Hemisulfate）, 92.40% Thiamine Nitrate EP Impurity A （Hemisulfate）|C4X-187323 https://www.jk-sci.com/products/s57c4x-187319 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123734.png?v=1791712923 Thiamine /Vitamin B1 Impurity 19, 93.00% | 95-02-3 Thiamine /Vitamin B1 Impurity 19|C4X-187319|95-02-3 https://www.jk-sci.com/products/s57c4x-187313 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_060f3560-ab43-49b5-b4eb-c4465b7d35a8.png?v=1791712923 Thiamine EP Impurity B HBr, 98.20% Thiamine EP Impurity B HBr|C4X-187313 https://www.jk-sci.com/products/s57c4x-18734 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea6599b442bc7da61a2124bc33fd136a.jpg?v=1791712913 Thiamine nitrate EP Impurity C, 90.80% | 7275-24-3 Thiamine nitrate EP Impurity C|C4X-18734|7275-24-3 https://www.jk-sci.com/products/s57c4x-18736 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/768e6825853730a317e4c4cc98ec65e4.jpg?v=1791712914 Thiamine Nitrate EP Impurity G, 93.80% | 1037-29-2 Thiamine Nitrate EP Impurity G|C4X-18736|1037-29-2 https://www.jk-sci.com/products/ts246cs-0080957 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df2bbb51ed72b392de5a8f29df7d3a5d.jpg?v=1791672549 Pyrazolo[1,5-a]pyrimidin-6-ol, 97% | 1580489-59-3 Pyrazolo[1,5-a]pyrimidin-6-ol|CS-0080957|1580489-59-3 https://www.jk-sci.com/products/s57c4x-18738 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd67db7fc193f457bbb092ed121b4ec0.jpg?v=1791712908 Thiamine nitrate EP Impurity H, 97.40% | 89285-03-0 Thiamine nitrate EP Impurity H|C4X-18738|89285-03-0 https://www.jk-sci.com/products/s57c4x-187410 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66506ddccf03022c7fcc2f27d96ac9e5.jpg?v=1791712903 Cyanocobalamin EP Impurity B, 91.60% | 26264-28-8 Cyanocobalamin EP Impurity B|C4X-187410|26264-28-8 https://www.jk-sci.com/products/ts246cs-0081035 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f24640f12a757f1485d389e013e5181a.jpg?v=1791672530 5-Bromo-N-methylpyridine-3-sulfonamide, 96% | 173999-19-4 5-Bromo-N-methylpyridine-3-sulfonamide|CS-0081035|173999-19-4 https://www.jk-sci.com/products/ts246cs-0081053 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3d05351524a63bf5ae9cec5bf340378.jpg?v=1791672509 RuCl[(S,S)-Fsdpen](p-cymene), 90.00%+ | 1026995-72-1 RuCl[(S,S)-Fsdpen](p-cymene)|CS-0081053|1026995-72-1 https://www.jk-sci.com/products/s57c4x-187416 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1556d230beba6cfb35dad4dbd258e76.jpg?v=1791712901 Cyanocobalamin EP Impurity G（50-methylcyanocobalamin）, 91.20% | 15130-04-8 Cyanocobalamin EP Impurity G（50-methylcyanocobalamin）|C4X-187416|15130-04-8 https://www.jk-sci.com/products/s57c4x-18743 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153221.png?v=1791712892 Hydroxocobalamin Acetate, 92.90% | 22465-48-1 Hydroxocobalamin Acetate|C4X-18743|22465-48-1 https://www.jk-sci.com/products/s57c4x-187418 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154102_320cae7d-1cee-4579-a3a5-0aaed62cf78a.png?v=1791712898 Cyanocobalamin /Vitamin B12 Impurity 18, 99.80% | 582-60-5 Cyanocobalamin /Vitamin B12 Impurity 18|C4X-187418|582-60-5 https://www.jk-sci.com/products/s57c4x-18749 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fe861422d984070c2448690ff7b9c2a.jpg?v=1791712888 34-Methylcyanocobalamin(Cyanocobalamin EP Impurity C）, Purity: 93.1% | 38218-51-8 34-Methylcyanocobalamin(Cyanocobalamin EP Impurity C）|C4X-18749|38218-51-8 https://www.jk-sci.com/products/ts246cs-0081065 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2a918c9344be8f4d8369c4492dde861.jpg?v=1791672494 RuCl[(S,S)-Tsdpen](mesitylene), 97% | 174813-81-1 RuCl[(S,S)-Tsdpen](mesitylene)|CS-0081065|174813-81-1 https://www.jk-sci.com/products/s57c4x-18752 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ba5f88b1-c888-4534-9ced-588616072841.png?v=1791712882 Tandospirone Impurity 2, 99.80% Tandospirone Impurity 2|C4X-18752 https://www.jk-sci.com/products/ts246cs-0081100 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123079.png?v=1791672481 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol, 98% | 2503-56-2 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol|CS-0081100|2503-56-2 https://www.jk-sci.com/products/s57c4x-18747 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfe6689cff298ef9b6cad9eb50de692a.jpg?v=1791712893 Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin), 92.90% | 41325-63-7 Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin)|C4X-18747|41325-63-7 https://www.jk-sci.com/products/s57c4x-18755 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e5e5df0119c9bec3e7ebe0d2a9863f4.jpg?v=1791712882 Tandospirone citrate, Purity: 99.8% | 112457-95-1 Tandospirone citrate|C4X-18755|112457-95-1 https://www.jk-sci.com/products/ts246cs-0081117 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/506861_490c2f4e-0d4a-42df-b215-26e39da15e21.png?v=1791672470 4-(Trifluoromethoxy)benzenesulfonamide, 99.38%+ | 1513-45-7 4-(Trifluoromethoxy)benzenesulfonamide|CS-0081117|1513-45-7 https://www.jk-sci.com/products/s57c4x-18759 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ae1e8c8-fd4e-48f1-80ea-1ab7587f9f1a.png?v=1791712876 Tandospirone Impurity 9 HCl, 92.40% Tandospirone Impurity 9 HCl|C4X-18759 https://www.jk-sci.com/products/ts246cs-0081158 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/106080.png?v=1791672464 2-Methoxy-5-(trifluoromethoxy)benzaldehyde, 98% | 145742-65-0 2-Methoxy-5-(trifluoromethoxy)benzaldehyde|CS-0081158|145742-65-0 https://www.jk-sci.com/products/s57c4x-187615 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1188b4f82aa71f8897f9ff9086b91c58.jpg?v=1791712871 Sulpiride impurity 15, 94.90% | 77718-16-2 Sulpiride impurity 15|C4X-187615|77718-16-2 https://www.jk-sci.com/products/ts246cs-0081317 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581342.png?v=1791672443 GERI-BP002-A, 97% | 119-47-1 GERI-BP002-A|CS-0081317|119-47-1 https://www.jk-sci.com/products/s57c4x-187735 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7cf5f2b1a58b82a426df1eef18eb96f.jpg?v=1791712866 Pyridoxine N-Oxide HCl, 91.30% | 112507-12-7 Pyridoxine N-Oxide HCl|C4X-187735|112507-12-7 https://www.jk-sci.com/products/s57c4x-18771 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322481_0aa4a3aa-0968-466b-93db-eaa7145b02f6.png?v=1791712866 Pyridoxal Hydrochloride, 96.30% | 65-22-5 Pyridoxal Hydrochloride|C4X-18771|65-22-5 https://www.jk-sci.com/products/s57c4x-187740 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f080437e0d1c740acf67222e69bb34d3.jpg?v=1791712860 Vitamin B6 (Pyridoxine) Impurity 40 HCl, Purity: 97.5% | 875-26-3 Vitamin B6 (Pyridoxine) Impurity 40 HCl|C4X-187740|875-26-3 https://www.jk-sci.com/products/ts246cs-0081420 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4828e3cb3588120d46a9100d3e842d70.jpg?v=1791672434 7-Ethynyl-1H-indazole, 96% | 945761-99-9 7-Ethynyl-1H-indazole|CS-0081420|945761-99-9 https://www.jk-sci.com/products/ts246cs-0081565 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/208402.png?v=1791672423 Oxazolo[4,5-b]pyridine-2(3H)-thione, 95.76%+ | 53052-06-5 Oxazolo[4,5-b]pyridine-2(3H)-thione|CS-0081565|53052-06-5 https://www.jk-sci.com/products/s57c4x-187745 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5db8397-d874-42bc-a499-b89c6273ef73.png?v=1791712854 Pyridoxine Impurity 45 HCl, 94.40% Pyridoxine Impurity 45 HCl|C4X-187745 https://www.jk-sci.com/products/s57c4x-187749 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cfcc12cf-173d-4dba-a599-0af3ea1e30df.png?v=1791712845 Pyridoxine Dimer DiHCl, 93.80% Pyridoxine Dimer DiHCl|C4X-187749 https://www.jk-sci.com/products/s57c4x-187756 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587348.png?v=1791712846 Pyrithioxin dihydrochloride, 95.00% | 10049-83-9 Pyrithioxin dihydrochloride|C4X-187756|10049-83-9 https://www.jk-sci.com/products/ts246cs-0081624 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c4b39b30998e031ee9eff0c790266d8.jpg?v=1791672409 5-Methylimidazo[1,2-a]pyridine-3-carbaldehyde, 98% | 178488-37-4 5-Methylimidazo[1,2-a]pyridine-3-carbaldehyde|CS-0081624|178488-37-4 https://www.jk-sci.com/products/s57c4x-18777 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9544d766340e1253d430535bbfeb400.jpg?v=1791712840 Pyridoxine Impurity 7, 97.10% | 1385767-86-1 Pyridoxine Impurity 7|C4X-18777|1385767-86-1 https://www.jk-sci.com/products/s57c4x-18779 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147096.png?v=1791712835 Pyridoxine EP Impurity B, 96.60% | 148-51-6 Pyridoxine EP Impurity B|C4X-18779|148-51-6 https://www.jk-sci.com/products/s57c4x-188111 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/889e34fcf6514eee505eb599c5383d0d.jpg?v=1791712824 Dyclonine Impurity 11, 98.50% | 5249-96-7 Dyclonine Impurity 11|C4X-188111|5249-96-7 https://www.jk-sci.com/products/s57c4x-1880 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222111.png?v=1791712830 Synephrine Hydrochloride, 99.10% | 5985-28-4 Synephrine Hydrochloride|C4X-1880|5985-28-4 https://www.jk-sci.com/products/ts246cs-0081877 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570367.png?v=1791672372 1-(2-Bromoethyl)-2-chlorobenzene, 97% | 16793-91-2 1-(2-Bromoethyl)-2-chlorobenzene|CS-0081877|16793-91-2 https://www.jk-sci.com/products/s57c4x-18815 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d69f0580d9d0b2c22a92375c3443d565.jpg?v=1791712823 Dyclonine Impurity 5, 99.10% | 165261-15-4 Dyclonine Impurity 5|C4X-18815|165261-15-4 https://www.jk-sci.com/products/s57c4x-188410 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e77437ced042f7a03d210af1066513f8.jpg?v=1791712816 Etomidate Impurity 10, 94.70% | 60197-34-4 Etomidate Impurity 10|C4X-188410|60197-34-4 https://www.jk-sci.com/products/ts246cs-0081754 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aaf834977751eb7acd6cef95a132fea.jpg?v=1791672397 5-(Methylsulfonyl)picolinonitrile, 98% | 848141-13-9 5-(Methylsulfonyl)picolinonitrile|CS-0081754|848141-13-9 https://www.jk-sci.com/products/ts246cs-0081855 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452257_c9030418-2f70-4a06-aba8-e095edec5a7c.png?v=1791672379 Lumichrome, 97% | 1086-80-2 Lumichrome|CS-0081855|1086-80-2 https://www.jk-sci.com/products/ts246cs-0082047 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50dc2e73a9b9fad05505331d0f890e10.jpg?v=1791672349 (S)-[(RuCl(T-BINAP))2(μ-Cl)3[NH2Me2], 95% | 309735-86-2 (S)-[(RuCl(T-BINAP))2(μ-Cl)3[NH2Me2]|CS-0082047|309735-86-2 https://www.jk-sci.com/products/ts246cs-0082117 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e3c843a5e3205cbc4e43d6735457a5c.jpg?v=1791672327 (4-Chloro-3-(trifluoromethoxy)phenyl)boronic acid, 97.00%+ | 902757-07-7 (4-Chloro-3-(trifluoromethoxy)phenyl)boronic acid|CS-0082117|902757-07-7 https://www.jk-sci.com/products/s57c4x-188416 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c05da52-c050-4da0-af6a-df9479e71145.png?v=1791712815 Etomidate Impurity 16, 99.10% Etomidate Impurity 16|C4X-188416 https://www.jk-sci.com/products/ts246cs-0082132 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66b14c389ec3976fba72093861021973.jpg?v=1791672318 tert-Butyl 5-formylindoline-1-carboxylate, 97% | 879887-32-8 tert-Butyl 5-formylindoline-1-carboxylate|CS-0082132|879887-32-8 https://www.jk-sci.com/products/s57c4x-188423 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c647c73b02672ce0225eb37c3adf7c4.jpg?v=1791712811 Etomidate Impurity 23, 97.00% | 112421-33-7 Etomidate Impurity 23|C4X-188423|112421-33-7 https://www.jk-sci.com/products/s57c4x-18844 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5beac7967fa48c6f71bf435dd63a2fca.jpg?v=1791712806 （R)-Etomidate EP Impurity B, 95.50% | 61045-91-8 （R)-Etomidate EP Impurity B|C4X-18844|61045-91-8 https://www.jk-sci.com/products/s57c4x-18848 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322638.png?v=1791712796 Etomidate Impurity 8, 94.80% | 66512-37-6 Etomidate Impurity 8|C4X-18848|66512-37-6 https://www.jk-sci.com/products/ts246cs-0082263 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39f4aea70561faf3d5635cdcb5003cc9.jpg?v=1791672300 Methyl 5-amino-6-chloronicotinate, 98% | 211915-96-7 Methyl 5-amino-6-chloronicotinate|CS-0082263|211915-96-7 https://www.jk-sci.com/products/s57c4x-1885 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f9aaa9d35164b66adc042a12564d09f.jpg?v=1791712791 Ipragliflozin, 95.80% | 761423-87-4 Ipragliflozin|C4X-1885|761423-87-4 https://www.jk-sci.com/products/s57c4x-188459 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fcf7bf9f-8556-4c86-892a-38313698703f.png?v=1791712806 Etomidate impurity 59, 97.30% Etomidate impurity 59|C4X-188459 https://www.jk-sci.com/products/s57c4x-18871 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135837_03873f9b-d873-496a-af4c-a22423141a65.png?v=1791712786 Eletriptan Impurity 1, 99.90% | 6163-58-2 Eletriptan Impurity 1|C4X-18871|6163-58-2 https://www.jk-sci.com/products/ts246cs-0073010 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387846_0742733d-42fd-4011-b239-0518747a96ee.png?v=1791673595 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one, 98.00%+ | 26518-71-8 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0073010|26518-71-8 https://www.jk-sci.com/products/s57c4x-189112 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27a60885a4f15d232cbeab1e960fbc56.jpg?v=1791712782 Esmolol Impurity 12, 96.20% | 83356-60-9 Esmolol Impurity 12|C4X-189112|83356-60-9 https://www.jk-sci.com/products/ts246cs-0076037 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bd338543563ace94f90c3b16737ac4e_62eb0200-e646-4905-9777-45821de3c41e.jpg?v=1791673301 1-Octanol, 98% | 111-87-5 1-Octanol|CS-0076037|111-87-5 https://www.jk-sci.com/products/ts246cs-0077184 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/620309_343df38b-0338-4558-8cdc-aef70a4e9c2f.png?v=1791673143 Cyclohexane-1,2,3,4,5,6-hexaone, 98% | 527-31-1 Cyclohexane-1,2,3,4,5,6-hexaone|CS-0077184|527-31-1 https://www.jk-sci.com/products/s57c4x-189117 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149200_026034d6-b2d8-4d04-815b-99d38b528440.png?v=1791712781 Esmolol Impurity 17, 99.30% | 5597-50-2 Esmolol Impurity 17|C4X-189117|5597-50-2 https://www.jk-sci.com/products/s57c4x-18912 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcc9f133b2c3ca2d43d67168e09f27d5.jpg?v=1791712777 Esmolol Impurity 2, Purity: 98.8% | 98903-89-0 Esmolol Impurity 2|C4X-18912|98903-89-0 https://www.jk-sci.com/products/s57c4x-18913 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8b5fd9b-839f-47f5-9220-769cacde9e6f.png?v=1791712770 Esmolol Impurity 3, Purity: 98.0% Esmolol Impurity 3|C4X-18913 https://www.jk-sci.com/products/s57c4x-189133 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e56fd1d3816e9973c402a7138ccf632d.jpg?v=1791712771 Esmolol Impurity 33, Purity: 99.6% | 27542-85-4 Esmolol Impurity 33|C4X-189133|27542-85-4 https://www.jk-sci.com/products/s57c4x-189147 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66ca6f47-1ac1-44d0-beb0-ff55ae3ee042.png?v=1791712761 Esmolol Impurity 47, 97.30% Esmolol Impurity 47|C4X-189147 https://www.jk-sci.com/products/s57c4x-18914 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b12d2d9915327b01c7a812fbee1d094.jpg?v=1791712766 Esmolol Impurity 4, 98.60% | 81148-15-4 Esmolol Impurity 4|C4X-18914|81148-15-4 https://www.jk-sci.com/products/s57c4x-189158 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347833.png?v=1791712758 Esmolol Impurity 58, 94.20% | 23838-70-2 Esmolol Impurity 58|C4X-189158|23838-70-2 https://www.jk-sci.com/products/s57c4x-189169 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_515f598d-f08c-4aa8-8ac7-2d6819616f5f.png?v=1791712752 Esmolol Impurity 69, 96.80% Esmolol Impurity 69|C4X-189169 https://www.jk-sci.com/products/s57c4x-189180 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f18c46f-883c-4221-a834-64a792581365.png?v=1791712751 Esmolol Impurity 80, 97.80% Esmolol Impurity 80|C4X-189180 https://www.jk-sci.com/products/ts246cs-0078620 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4ed945f0073c1cbe5b519e43204ecee.jpg?v=1791673017 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol, 92.07%+ | 221352-10-9 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol|CS-0078620|221352-10-9 https://www.jk-sci.com/products/ts246cs-0079619 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107415.png?v=1791672900 (R)-3-(tert-Butoxycarbonyl)-5,5-dimethylthiazolidine-4-carboxylic acid, 97% | 117918-23-7 (R)-3-(tert-Butoxycarbonyl)-5,5-dimethylthiazolidine-4-carboxylic acid|CS-0079619|117918-23-7 https://www.jk-sci.com/products/s57c4x-1892 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377692_385ea915-9540-4f4e-9499-2d44580a50ef.png?v=1791712747 Calcifediol Monohydrate, 99.50% | 63283-36-3 Calcifediol Monohydrate|C4X-1892|63283-36-3 https://www.jk-sci.com/products/ts246cs-0080246 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61cc4f79845e1db4a3aa98376f14bd61.jpg?v=1791672774 Methyl 5-amino-6-iodopicolinate, 98% | 872355-60-7 Methyl 5-amino-6-iodopicolinate|CS-0080246|872355-60-7 https://www.jk-sci.com/products/ts246cs-0080607 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299323_faffc77a-1079-4466-a7dd-a1c9ad26e1aa.png?v=1791672655 6-(Trifluoromethoxy)quinolin-4-ol, 98% | 175203-87-9 6-(Trifluoromethoxy)quinolin-4-ol|CS-0080607|175203-87-9 https://www.jk-sci.com/products/s57c4x-18927 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377692.png?v=1791712742 Calcifediol Impurity 7, 97.90% | 19356-17-3 Calcifediol Impurity 7|C4X-18927|19356-17-3 https://www.jk-sci.com/products/s57c4x-18941 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291975.png?v=1791712737 Ethambutol Hydrochloride EP Impurity A, 89.40% | 96-20-8 Ethambutol Hydrochloride EP Impurity A|C4X-18941|96-20-8 https://www.jk-sci.com/products/s57c4x-189413 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296086763c3dfc1c4fce50be2c83f527.jpg?v=1791712737 Ethambutol EP Impurity C DiHCl, Purity: 99.5% | 134566-79-3 Ethambutol EP Impurity C DiHCl|C4X-189413|134566-79-3 https://www.jk-sci.com/products/ts246cs-0080452 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/775942fd248028a1fbe3f2ce74558005.jpg?v=1791672707 3,4-Dimethyl-1,2,5-oxadiazole, 99.50%+ | 4975-21-7 3,4-Dimethyl-1,2,5-oxadiazole|CS-0080452|4975-21-7 https://www.jk-sci.com/products/s57c4x-18946 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec1c51a41c6c632513f67661e98638e7.jpg?v=1791712730 Ethambutol EP Impurity B, 96.00% | 10054-06-5 Ethambutol EP Impurity B|C4X-18946|10054-06-5 https://www.jk-sci.com/products/s57c4x-1895 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552137.png?v=1791712727 Fupentixol dihydrochloride, Purity>95% | 2413-38-9 Fupentixol dihydrochloride|C4X-1895|2413-38-9 https://www.jk-sci.com/products/s57c4x-189513 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d47973c-076e-4588-9442-cd55d866d400.png?v=1791712726 Flupentixol Impurity H（E）, 83.60% Flupentixol Impurity H（E）|C4X-189513 https://www.jk-sci.com/products/ts246cs-0080784 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/626826.png?v=1791672580 1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene(1,4-naphthoquinone)palladium(0) dimer, 97% | 649736-75-4 1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene(1,4-naphthoquinone)palladium(0) dimer|CS-0080784|649736-75-4 https://www.jk-sci.com/products/ts246cs-0080811 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3dc9fed41952ac7727de0b0f93853273.jpg?v=1791672571 Methyl 3,5-dichloropicolinate, 99.41%+ | 5439-08-7 Methyl 3,5-dichloropicolinate|CS-0080811|5439-08-7 https://www.jk-sci.com/products/s57c4x-189525 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/869fff7c2981e73d3cd7ec5ef4636b47.jpg?v=1791712719 Flupentixol Impurity 25, 97.50% | 2748309-11-5 Flupentixol Impurity 25|C4X-189525|2748309-11-5 https://www.jk-sci.com/products/s57c4x-18954 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f8db452-5612-4d3e-aa58-0880fd6e4dc2.png?v=1791712716 Flupentixol EP Impurity C (E and Z Mixture) 2HCl, 97.10% Flupentixol EP Impurity C (E and Z Mixture) 2HCl|C4X-18954 https://www.jk-sci.com/products/ts246cs-0080902 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18847d2b698c3a0fd496f71b3e4178d9.jpg?v=1791672555 Grela 2nd Generation, 98% | 502964-52-5 Grela 2nd Generation|CS-0080902|502964-52-5 https://www.jk-sci.com/products/ts246cs-0081148 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121424_ea2e51e4-738b-442d-855c-db82d21ac8b4.png?v=1791672465 4,4,5,5-Tetramethyl-2-(4-(trifluoromethoxy)phenyl)-1,3,2-dioxaborolane, 97% | 474709-28-9 4,4,5,5-Tetramethyl-2-(4-(trifluoromethoxy)phenyl)-1,3,2-dioxaborolane|CS-0081148|474709-28-9 https://www.jk-sci.com/products/ts246cs-0081331 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db45a2c3c7043e54df0703f22a83d6b4.jpg?v=1791672439 Chloro[(S,S)-N-[2-(4-methylbenzyloxy)ethyl]-N'-(p-toluenesulfonyl)-1,2-diphenylethylenediamine]ruthenium(II), 95% | 1384974-37-1 Chloro[(S,S)-N-[2-(4-methylbenzyloxy)ethyl]-N'-(p-toluenesulfonyl)-1,2-diphenylethylenediamine]ruthenium(II)|CS-0081331|1384974-37-1 https://www.jk-sci.com/products/ts246cs-0081037 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236321.png?v=1791672525 Dichloro(benzene)ruthenium(II) dimer, 97.00%+ | 37366-09-9 Dichloro(benzene)ruthenium(II) dimer|CS-0081037|37366-09-9 https://www.jk-sci.com/products/s57c4x-18959 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421593_a80da094-6152-404b-955c-b3630ad1c416.png?v=1791712713 Flupentixol Impurity 9, 99.90% | 1693-28-3 Flupentixol Impurity 9|C4X-18959|1693-28-3 https://www.jk-sci.com/products/ts246cs-0081071 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64fdbc44894935a1167c414c92009413.jpg?v=1791672493 3-Methyl-3H-imidazo[4,5-b]pyridine, 96.31%+ | 6688-61-5 3-Methyl-3H-imidazo[4,5-b]pyridine|CS-0081071|6688-61-5 https://www.jk-sci.com/products/s57c4x-189918 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/def6419fc76e506cb460faac9aa2e8ac.jpg?v=1791712712 Benzylpenicillin Potassium EP impurity C, 91.40% | 525-91-7 Benzylpenicillin Potassium EP impurity C|C4X-189918|525-91-7 https://www.jk-sci.com/products/s57c4x-189927 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a50a9d78-fa93-4c3a-a228-8781e38aa8b0.png?v=1791712707 Benzylpenicillin Impurity 27, 90.40% Benzylpenicillin Impurity 27|C4X-189927 https://www.jk-sci.com/products/ts246cs-0081618 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478393_ac702741-14d7-43bf-b061-0211a7d5b777.png?v=1791672414 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one, 95.00%+ | 33050-32-7 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one|CS-0081618|33050-32-7 https://www.jk-sci.com/products/ts246cs-0081811 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb591e4ee3953aa9d6651637ee99eab5.jpg?v=1791672391 6-Bromo-2-(2-(3-methoxyphenyl)propan-2-yl)benzofuran-3-carboxylic acid, 97% | 2095616-86-5 6-Bromo-2-(2-(3-methoxyphenyl)propan-2-yl)benzofuran-3-carboxylic acid|CS-0081811|2095616-86-5 https://www.jk-sci.com/products/ts246cs-0082361 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d6bcd7ac8cf9b5e803cc249c8d96e6e.jpg?v=1791672275 Methyl 3H-imidazo[4,5-c]pyridine-6-carboxylate, 95% | 82523-07-7 Methyl 3H-imidazo[4,5-c]pyridine-6-carboxylate|CS-0082361|82523-07-7 https://www.jk-sci.com/products/ts246cs-0082011 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327652_6f97b096-ceca-4681-bc8d-7fbb1e3369e0.png?v=1791672353 Bis(triphenylphosphine)ruthenium(II) dicarbonyl chloride, 98% | 14564-35-3 Bis(triphenylphosphine)ruthenium(II) dicarbonyl chloride|CS-0082011|14564-35-3 https://www.jk-sci.com/products/s57c4x-19011 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319682.png?v=1791712699 Triamterene EP Impurity A, Purity: 99.9% | 1006-23-1 Triamterene EP Impurity A|C4X-19011|1006-23-1 https://www.jk-sci.com/products/s57c4x-190666 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a45ac7eb4e54ec292e3551afed6e0ffe.jpg?v=1791712669 Sugammadex Impurity 7*Sodium Salt （Org48302）, 94.10% | 2376607-99-5 Sugammadex Impurity 7*Sodium Salt （Org48302）|C4X-190666|2376607-99-5 https://www.jk-sci.com/products/s57c4x-19025 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f243bd95474f880a15e87b02d2cfbaa1.jpg?v=1791712692 Salicylic Acid Impurity 5, 96.80% | 26171-04-0 Salicylic Acid Impurity 5|C4X-19025|26171-04-0 https://www.jk-sci.com/products/s57c4x-19056 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e43901a42456c58a7036e2c25379e6c6.jpg?v=1791712674 Amifostine Impurity 6, 96.30% | 5458-99-1 Amifostine Impurity 6|C4X-19056|5458-99-1 https://www.jk-sci.com/products/s57c4x-190331 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354790.png?v=1791712684 Lenalidomide Impurity 31, 98.60% | 13365-26-9 Lenalidomide Impurity 31|C4X-190331|13365-26-9 https://www.jk-sci.com/products/s57c4x-190212 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333079.png?v=1791712693 Salicylic acid Impurity 12, 98.90% | 546-74-7 Salicylic acid Impurity 12|C4X-190212|546-74-7 https://www.jk-sci.com/products/s57c4x-190360 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e655b5985fb099aefae4c099caafd87.jpg?v=1791712682 Lenalidomide Impurity 60, Purity: 99.8% | 26581-81-7 Lenalidomide Impurity 60|C4X-190360|26581-81-7 https://www.jk-sci.com/products/s57c4x-18997 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a23c1443-f112-4c3b-84df-2672e9c883cb.png?v=1791712701 Benzylpenicillin Impurity 7(Benzylpenicillin CP Impurity G), 95.10% Benzylpenicillin Impurity 7(Benzylpenicillin CP Impurity G)|C4X-18997 https://www.jk-sci.com/products/s57c4x-190329 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419930_176469a1-bfe6-4849-91ec-4c1a563a7e48.png?v=1791712688 Lenalidomide Impurity 29, 99.50% | 31140-42-8 Lenalidomide Impurity 29|C4X-190329|31140-42-8 https://www.jk-sci.com/products/s57c4x-18995 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10d1b3e9-8e3a-43aa-b627-2aef4e9c7336.png?v=1791712703 Benzylpenicillin EP Impurity E, 90.10% Benzylpenicillin EP Impurity E|C4X-18995 https://www.jk-sci.com/products/s57c4x-19041 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d7629efe9c44c946e4151451ce07f3e.jpg?v=1791712677 Esketamine EP Impurity C, 98.10% | 90717-17-2 Esketamine EP Impurity C|C4X-19041|90717-17-2 https://www.jk-sci.com/products/ts246cs-0082122 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610726.png?v=1791672323 6-Chloroisoindolin-1-one, 97% | 58083-59-3 6-Chloroisoindolin-1-one|CS-0082122|58083-59-3 https://www.jk-sci.com/products/s57c4x-190725 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f87245e-67ca-4613-8f28-63f39dd00ee8.png?v=1791712662 Nicorandil Impurity 25 1/2Formate 1/2Nitrate, 96.40% Nicorandil Impurity 25 1/2Formate 1/2Nitrate|C4X-190725 https://www.jk-sci.com/products/s57c4x-19063 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d0e1ee3-00fa-4df6-8df9-99828f54920a.png?v=1791712672 Sugammadex Impurity Org49095, 92.80% Sugammadex Impurity Org49095|C4X-19063 https://www.jk-sci.com/products/ts246cs-0082366 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e78632bb73c508b748fbab48683d0575.jpg?v=1791672270 5-Methoxynicotinonitrile, 98.24%+ | 298204-74-7 5-Methoxynicotinonitrile|CS-0082366|298204-74-7 https://www.jk-sci.com/products/s57c4x-190732 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8379a79-a7f3-4904-91e5-eed6e7b3bbcf.png?v=1791712661 Nicorandil Impurity 32, 79.10% Nicorandil Impurity 32|C4X-190732 https://www.jk-sci.com/products/s57c4x-190740 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f402a73-3420-4cda-a841-775a71736cd9.png?v=1791712653 Nicorandil Impurity 40 1/2Formate 1/2Nitrate, 93.90% Nicorandil Impurity 40 1/2Formate 1/2Nitrate|C4X-190740 https://www.jk-sci.com/products/s57c4x-190746 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4569378e-9011-45af-a5af-a015ba726022.png?v=1791712644 Nicorandil Impurity 46 3Nitrate, 95.30% Nicorandil Impurity 46 3Nitrate|C4X-190746 https://www.jk-sci.com/products/s57c4x-190735 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56d86498-4a89-49f8-a1b3-bad9153a63d3.png?v=1791712658 Nicorandil Impurity 35, 75.90% Nicorandil Impurity 35|C4X-190735 https://www.jk-sci.com/products/s57c4x-190743 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/401232_de670e3d-17cd-4571-b176-2b5b998d88fc.png?v=1791712645 Nicorandil Impurity 43, Purity: 99.2% | 1570-45-2 Nicorandil Impurity 43|C4X-190743|1570-45-2 https://www.jk-sci.com/products/ts246cs-0082371 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66548e52d781e55857adcd2d6886cab5.jpg?v=1791672268 5-Methoxy-2-methylpyridine, 98% | 55270-47-8 5-Methoxy-2-methylpyridine|CS-0082371|55270-47-8 https://www.jk-sci.com/products/s57c4x-1720103 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e479dc2a92bbe8751935cc7ef85d1e92.jpg?v=1791714574 Oseltamivir Impurity 103, Purity: 95.2% | 204254-90-0 Oseltamivir Impurity 103|C4X-1720103|204254-90-0 https://www.jk-sci.com/products/ts246cs-0082383 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588bd7968c13f9488a95820a72116438.jpg?v=1791672264 Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid, 97% | 251102-27-9 Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid|CS-0082383|251102-27-9 https://www.jk-sci.com/products/s57c4x-17495 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfa08876a072e83ec60dff17dbf83959.jpg?v=1791714218 N-Desmethyl Riociguat, 98.70% | 625115-52-8 N-Desmethyl Riociguat|C4X-17495|625115-52-8 https://www.jk-sci.com/products/s57c4x-177228 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a67f480a08f8a73f374acc8143217561.jpg?v=1791714038 Trazodone Impurity 28, 99.90% | 1263358-12-8 Trazodone Impurity 28|C4X-177228|1263358-12-8 https://www.jk-sci.com/products/ts246cs-0082404 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328441b46028447be5d74cfcacda11dd.jpg?v=1791672252 5-Iodo-2-oxo-1,2-dihydropyridine-3-carbonitrile, 96% | 766515-33-7 5-Iodo-2-oxo-1,2-dihydropyridine-3-carbonitrile|CS-0082404|766515-33-7 https://www.jk-sci.com/products/ts246cs-0082526 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285241_86482657-a99d-48a9-b6e0-289e43db7a05.png?v=1791672247 3,5-Dihydroxyacetophenone, 98% | 51863-60-6 3,5-Dihydroxyacetophenone|CS-0082526|51863-60-6 https://www.jk-sci.com/products/s57c4x-17825 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562397_653d149d-1ecb-4db1-a09b-6d39684b8649.png?v=1791713924 Xylometazoline EP Impurity E, 88.30% | 104-15-4 Xylometazoline EP Impurity E|C4X-17825|104-15-4 https://www.jk-sci.com/products/s57c4x-179611 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0274dcd5d418bbccc8a54e92de6bf93e.jpg?v=1791713810 Cilnidipine Impurity 11, 95.00% | 68077-28-1 Cilnidipine Impurity 11|C4X-179611|68077-28-1 https://www.jk-sci.com/products/ts246cs-0082682 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/badd60c0239215012118c9dae88d91fa_f262743b-1310-4fe8-ad97-20ebe7f90fb1.jpg?v=1791672220 Ir[dF(CF3)ppy]2(dtbbpy)PF6, 95.00%+ | 870987-63-6 Ir[dF(CF3)ppy]2(dtbbpy)PF6|CS-0082682|870987-63-6 https://www.jk-sci.com/products/s57c4x-180316 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2ca62eba-10db-47a1-b646-02fdb16bcfb0.png?v=1791713742 Trimetazidine Impurity 16, 96.40% Trimetazidine Impurity 16|C4X-180316 https://www.jk-sci.com/products/ts246cs-0082801 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e537333f-a5a5-4d89-9ee6-2058c5d762ca.png?v=1791672210 [4,4'-Di-t-butyl-2,2'-bipyridine][bis[5-(t-butyl)-2-[4-(t-butyl)-2-pyridinyl-kN]phenyl-kC]iridium(III) hexafluorophosphate, 97% | 808142-80-5 [4,4'-Di-t-butyl-2,2'-bipyridine][bis[5-(t-butyl)-2-[4-(t-butyl)-2-pyridinyl-kN]phenyl-kC]iridium(III) hexafluorophosphate|CS-0082801|808142-80-5 https://www.jk-sci.com/products/s57c4x-181138 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6de048ba18b7dad80f4d907a4ec8caa.jpg?v=1791713678 Pranoprofen Impurity 38, 98.30% | 53944-40-4 Pranoprofen Impurity 38|C4X-181138|53944-40-4 https://www.jk-sci.com/products/ts246cs-0083020 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1541d39bbcffa4455235a82be022bd8c.jpg?v=1791672184 6-Fluoropyrido[3,4-d]pyrimidin-4(3H)-one, 97.54%+ | 171178-44-2 6-Fluoropyrido[3,4-d]pyrimidin-4(3H)-one|CS-0083020|171178-44-2 https://www.jk-sci.com/products/s57c4x-181362 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a39d4b1d5c0ff04a0053e34a0607b01b.jpg?v=1791713614 Butylphthalide Impurity 62, Purity: 99.8% | 102126-71-6 Butylphthalide Impurity 62|C4X-181362|102126-71-6 https://www.jk-sci.com/products/s57c4x-18173 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573005_1daed7ed-d2ae-41be-b5bc-bc048dd17756.png?v=1791713551 Glycopyrronium Bromide EP Impurity O, 98.20% | 618-88-2 Glycopyrronium Bromide EP Impurity O|C4X-18173|618-88-2 https://www.jk-sci.com/products/s57c4x-182223 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_503de171-35b7-472a-bf39-66121d5c4607.png?v=1791713507 Leuprorelin EP Impurity H Trifluoroacetic acid, 96.80% Leuprorelin EP Impurity H Trifluoroacetic acid|C4X-182223 https://www.jk-sci.com/products/s57c4x-182411 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5902270c-db0c-4a2a-a367-04395029a116.png?v=1791713479 Cefcapene Impurity 11, 95.90% Cefcapene Impurity 11|C4X-182411 https://www.jk-sci.com/products/ts246cs-0083149 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500547.png?v=1791672180 Methyl 2-(2-methoxyphenyl)acetate, 96% | 27798-60-3 Methyl 2-(2-methoxyphenyl)acetate|CS-0083149|27798-60-3 https://www.jk-sci.com/products/s57c4x-18275 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576673_fa230ea0-1c42-48d8-a6ef-8127e56ffa4e.png?v=1791713423 Methionine Impurity 5, 99.80% | 3226-65-1 Methionine Impurity 5|C4X-18275|3226-65-1 https://www.jk-sci.com/products/s57c4x-182616 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3bc8fc3c-daf8-48d3-a6a8-7324689d691f.png?v=1791713456 Iguratimod Impurity 16, 96.50% Iguratimod Impurity 16|C4X-182616 https://www.jk-sci.com/products/ts246cs-0083177 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293894.png?v=1791672174 DL-Methionine methylsulfonium (chloride), 98% | 3493-12-7 DL-Methionine methylsulfonium (chloride)|CS-0083177|3493-12-7 https://www.jk-sci.com/products/ts246cs-0083221 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e84b4f7ca4e1dcb7280e7b03cb0bc499.jpg?v=1791672163 3-Bromo-4-methyl-5-nitropyridin-2-amine, 99.17%+ | 929976-32-9 3-Bromo-4-methyl-5-nitropyridin-2-amine|CS-0083221|929976-32-9 https://www.jk-sci.com/products/s57c4x-183513 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2165830ba1558c68b8047dd0b563b48.jpg?v=1791713323 Hydroxychloroquine Impurity 13, Purity: 98.1% | 2411340-31-1 Hydroxychloroquine Impurity 13|C4X-183513|2411340-31-1 https://www.jk-sci.com/products/s57c4x-18364 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a801caeaf15f401227a9501e62adfe25.jpg?v=1791713296 Torasemide EP Impurity D, 97.80% | 160972-33-8 Torasemide EP Impurity D|C4X-18364|160972-33-8 https://www.jk-sci.com/products/s57c4x-183361 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6043e440-48b0-4642-b5d9-66db508c2a6a.png?v=1791713353 Peramivir Impurity 61, 87.20% Peramivir Impurity 61|C4X-183361 https://www.jk-sci.com/products/s57c4x-18308 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8779814880102ecf7ad67587b37e09b4.jpg?v=1791713390 Lacosamide EP Impurity K, 95.60% | 86921-49-5 Lacosamide EP Impurity K|C4X-18308|86921-49-5 https://www.jk-sci.com/products/s57c4x-184019 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3ef7e8932ad75c1ebe4d1504c566e7d.jpg?v=1791713242 Epinastine Impurity 19, Purity: 96.6% | 5840-40-4 Epinastine Impurity 19|C4X-184019|5840-40-4 https://www.jk-sci.com/products/s57c4x-184044 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cef88958c802015e9b1b1f69e28ba04e.jpg?v=1791713225 Epinastine Impurity 44 Fumarate, 97.20% | 127785-96-0 Epinastine Impurity 44 Fumarate|C4X-184044|127785-96-0 https://www.jk-sci.com/products/s57c4x-184217 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5227fc97ad72e92d9280885d8619cf5.jpg?v=1791713214 Paclitaxel Impurity 17(13-O-(Triethylsilyl) Baccatin III), 99.40% | 208406-86-4 Paclitaxel Impurity 17(13-O-(Triethylsilyl) Baccatin III)|C4X-184217|208406-86-4 https://www.jk-sci.com/products/s57c4x-18382 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362266_62b6bba1-8b52-4fff-a12c-1c832a5d2bcd.png?v=1791713269 Betahistine EP Impurity B, 95.60% | 103-74-2 Betahistine EP Impurity B|C4X-18382|103-74-2 https://www.jk-sci.com/products/ts246cs-0083462 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e6db7425001a62ac9702084e1a4c165.jpg?v=1791672126 tert-Butyl 2-methyl-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate, 97% | 210538-72-0 tert-Butyl 2-methyl-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate|CS-0083462|210538-72-0 https://www.jk-sci.com/products/ts246cs-0083522 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c779ac279108ec266dba1927635acf6.jpg?v=1791672125 4-Bromo-6-hydroxypyrazolo[1,5-a]pyridine-3-carbonitrile, 96.00%+ | 2068065-05-2 4-Bromo-6-hydroxypyrazolo[1,5-a]pyridine-3-carbonitrile|CS-0083522|2068065-05-2 https://www.jk-sci.com/products/s57c4x-18425 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/604144_8a70e0b7-e368-4e46-9d92-fb7e1d023dfb.png?v=1791713199 Paclitaxel EP Impurity E, 91.30% | 105454-04-4 Paclitaxel EP Impurity E|C4X-18425|105454-04-4 https://www.jk-sci.com/products/ts246cs-0083684 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/424702.png?v=1791672120 Tetraamminepalladium(II) chloride, 98% | 13815-17-3 Tetraamminepalladium(II) chloride|CS-0083684|13815-17-3 https://www.jk-sci.com/products/ts246cs-0077769 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d1a22514a59624f2720632be1b4f128.jpg?v=1791673066 6-Bromobenzo[b]thiophene 1,1-dioxide, 97% | 246177-22-0 6-Bromobenzo[b]thiophene 1,1-dioxide|CS-0077769|246177-22-0 https://www.jk-sci.com/products/s57c4x-18444 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6d9600fa-c373-407a-95a4-1e71e3f6f5a1.png?v=1791713180 Amphotericin B EP Impurity C, 89.20% Amphotericin B EP Impurity C|C4X-18444 https://www.jk-sci.com/products/ts246cs-0083687 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6de4697ff70dcf3355fb80e6d4c4328.jpg?v=1791672115 6-Chloro-3-methoxy-2-nitropyridine, 98.27%+ | 1616526-81-8 6-Chloro-3-methoxy-2-nitropyridine|CS-0083687|1616526-81-8 https://www.jk-sci.com/products/ts246cs-0074865 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b520286044f79f10c86914b21fb0424a.jpg?v=1791673417 3-Methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione hydrochloride, 97% | 13625-49-5 3-Methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione hydrochloride|CS-0074865|13625-49-5 https://www.jk-sci.com/products/s57c4x-184934 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7eda59d94bcabc73a0ae9494502ecc99.jpg?v=1791713141 Adrenaline Impurity 34, 91.60% | 1095714-91-2 Adrenaline Impurity 34|C4X-184934|1095714-91-2 https://www.jk-sci.com/products/s57c4x-1849 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518052_502d7645-0bb7-4ea0-b88d-dfa56e59a7ff.png?v=1791713162 DL-Epinephrine Hydrochloride, 99.40% | 329-63-5 DL-Epinephrine Hydrochloride|C4X-1849|329-63-5 https://www.jk-sci.com/products/ts246cs-0079897 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b80da57e14840e522e9c32d39df92556.jpg?v=1791672844 (S)-tert-Butyl 2-amino-2-cyclohexylacetate hydrochloride, 97% | 213475-52-6 (S)-tert-Butyl 2-amino-2-cyclohexylacetate hydrochloride|CS-0079897|213475-52-6 https://www.jk-sci.com/products/ts246cs-0080511 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92263c8be858f18fca7873de61487516.jpg?v=1791672687 4-Chloro-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine, 98% | 1256802-09-1 4-Chloro-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine|CS-0080511|1256802-09-1 https://www.jk-sci.com/products/ts246cs-0080797 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304992_5815019a-5726-4aa5-a34d-9926f1c64c4f.png?v=1791672576 2,3-Dichlorobenzenethiol, 97% | 17231-95-7 2,3-Dichlorobenzenethiol|CS-0080797|17231-95-7 https://www.jk-sci.com/products/s57c4x-184956 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253305_7eac32e0-a3e8-4057-b28b-418b4571a2f1.png?v=1791713122 Epinephrine /Adrenaline Impurity 56, 98.20% | 25015-92-3 Epinephrine /Adrenaline Impurity 56|C4X-184956|25015-92-3 https://www.jk-sci.com/products/s57c4x-185010 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9154ebc8-1871-4881-b0d2-2b383bfc3745.png?v=1791713108 Atracurium EP Impurity P, 64.10% Atracurium EP Impurity P|C4X-185010 https://www.jk-sci.com/products/s57c4x-185043 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96d666db99b2dd37da08ba216ee09dfb.jpg?v=1791713098 Atracurium Impurity 43, 90.90% | 1075727-00-2 Atracurium Impurity 43|C4X-185043|1075727-00-2 https://www.jk-sci.com/products/ts246cs-0081031 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed643b5cf720df5139af51d7a17dc424.jpg?v=1791672536 Methyl 6-bromo-2-chloronicotinate, 97% | 1142192-03-7 Methyl 6-bromo-2-chloronicotinate|CS-0081031|1142192-03-7 https://www.jk-sci.com/products/s57c4x-18534 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478738_424fb8f9-deb6-4683-b77d-bdc08612ed1f.png?v=1791713066 Sibutramine Impurity 4, 95.80% | 140-53-4 Sibutramine Impurity 4|C4X-18534|140-53-4 https://www.jk-sci.com/products/s57c4x-18548 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6b15c6a473ff05fd62d08c9ef2147ac.jpg?v=1791713032 Arotinolol intermediate product 8, 99.30% | 52560-89-1 Arotinolol intermediate product 8|C4X-18548|52560-89-1 https://www.jk-sci.com/products/s57c4x-185429 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_da226810-8b5b-44df-a1c0-82789a6596a5.png?v=1791713050 Arotinolol Impurity 29, 99.30% Arotinolol Impurity 29|C4X-185429 https://www.jk-sci.com/products/s57c4x-185822 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aff449ca-bd1d-4131-9ff2-55d037eff893.png?v=1791713000 Trimebutine Impurity 22, Purity: 99.0% Trimebutine Impurity 22|C4X-185822 https://www.jk-sci.com/products/s57c4x-18558 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45aea07381f4950d0192ca9467c39185.jpg?v=1791713020 Aminophylline EP Impurity D, 97.20% | 6736-40-9 Aminophylline EP Impurity D|C4X-18558|6736-40-9 https://www.jk-sci.com/products/ts246cs-0081112 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319905_7f32b946-4acd-438a-a9cb-0a045d836d4c.png?v=1791672476 4-Amino-3-(trifluoromethoxy)benzonitrile, 98.42%+ | 175278-23-6 4-Amino-3-(trifluoromethoxy)benzonitrile|CS-0081112|175278-23-6 https://www.jk-sci.com/products/s57c4x-18611 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4a48fc979cee0e3fcc29cf263113d60.jpg?v=1791712985 Nikethamide Impurity 1, 87.10% | 7606-13-5 Nikethamide Impurity 1|C4X-18611|7606-13-5 https://www.jk-sci.com/products/s57c4x-186228 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588156_bcf46ef6-9b7d-498a-a244-8445abd080d6.png?v=1791712971 Pyr-His-Trp-Ser-Tyr-D-Trp-NH2, Purity: 99.7% Pyr-His-Trp-Ser-Tyr-D-Trp-NH2|C4X-186228 https://www.jk-sci.com/products/s57c4x-186410 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4920d70498130270af308b9f11f1084d.jpg?v=1791712952 Phenytoin Impurity 10, 96.30% | 6802-95-5 Phenytoin Impurity 10|C4X-186410|6802-95-5 https://www.jk-sci.com/products/s57c4x-1866 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610452_bde6e5fa-91d7-41f1-965b-1aaa5c101ef8.png?v=1791712934 Acipimox, 98.40% | 51037-30-0 Acipimox|C4X-1866|51037-30-0 https://www.jk-sci.com/products/s57c4x-187318 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdd80f5e1e96b85c65b59f586d190ae1.jpg?v=1791712923 Thiamine /Vitamin B1 Impurity 18, 99.80% | 1886-34-6 Thiamine /Vitamin B1 Impurity 18|C4X-187318|1886-34-6 https://www.jk-sci.com/products/ts246cs-0081876 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504080_d2305ceb-1d70-445f-b336-30f02917bf5a.png?v=1791672373 2-Iodophenyl trifluoromethanesulfonate, 97% | 129112-26-1 2-Iodophenyl trifluoromethanesulfonate|CS-0081876|129112-26-1 https://www.jk-sci.com/products/s57c4x-18733 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89dd37c1ea6227e96b8f71b75ce5439b.jpg?v=1791712918 Thiamine Nitrate EP Impurity A, 94.70% | 2380-61-2 Thiamine Nitrate EP Impurity A|C4X-18733|2380-61-2 https://www.jk-sci.com/products/ts246cs-0082176 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9759c9a783ef004914b9fbb0b14c6892.jpg?v=1791672312 Chloro[(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) Chloride, 97% | 944451-31-4 Chloro[(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) Chloride|CS-0082176|944451-31-4 https://www.jk-sci.com/products/ts246cs-0082368 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141713_c30c4d5f-20f4-460e-b4cd-ef3cd195490d.png?v=1791672270 4-Methoxynicotinic acid, 97% | 10177-31-8 4-Methoxynicotinic acid|CS-0082368|10177-31-8 https://www.jk-sci.com/products/ts246cs-0082390 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df023029e604a3602443f3cee0803ba.jpg?v=1791672263 (6-(Methoxycarbonyl)pyridin-3-yl)boronic acid, 96% | 1072945-86-8 (6-(Methoxycarbonyl)pyridin-3-yl)boronic acid|CS-0082390|1072945-86-8 https://www.jk-sci.com/products/s57c4x-18737 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546698_d391e252-2b5f-45c0-a5ff-3d8cef677931.png?v=1791712908 Thiamine nitrate EP Impurity E, 97.20% | 299-35-4 Thiamine nitrate EP Impurity E|C4X-18737|299-35-4 https://www.jk-sci.com/products/s57c4x-187412 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78212b246d1167766743e9a5fe90fc44.jpg?v=1791712903 Hydroxocobalamin Hydrochloride( Cyanocobalamin EP Impurity H HCl）, 90.30% | 58288-50-9 Hydroxocobalamin Hydrochloride( Cyanocobalamin EP Impurity H HCl）|C4X-187412|58288-50-9 https://www.jk-sci.com/products/s57c4x-187423 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11f8d7d3a63b12938997c686e7d0416c.jpg?v=1791712896 Cyanocobalamin /Vitamin B12 Impurity 23, 90.50% | 38218-55-2 Cyanocobalamin /Vitamin B12 Impurity 23|C4X-187423|38218-55-2 https://www.jk-sci.com/products/s57c4x-18748 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e36c1a7540cde36f71744cb032eb56ea.jpg?v=1791712887 Cyanocobalamin EP Impurity A, 89.40% | 23208-66-4 Cyanocobalamin EP Impurity A|C4X-18748|23208-66-4 https://www.jk-sci.com/products/s57c4x-18754 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09019186-1864-411e-8d5e-ee1cafe3184d.png?v=1791712882 Tandospirone Impurity 4, 100.00% Tandospirone Impurity 4|C4X-18754 https://www.jk-sci.com/products/s57c4x-18761 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564133_94f53ce5-3772-4806-856b-41fb257849e1.png?v=1791712871 Sulpiride EP Impurity B, 99.70% | 33045-52-2 Sulpiride EP Impurity B|C4X-18761|33045-52-2 https://www.jk-sci.com/products/ts246cs-0082806 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a97fd58f44745f48e32e86cc3f16e4.jpg?v=1791672203 Ir(p-CF3-ppy)3, 97% | 500295-52-3 Ir(p-CF3-ppy)3|CS-0082806|500295-52-3 https://www.jk-sci.com/products/ts246cs-0082591 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222817.png?v=1793049101 Carbonylhydridotris(triphenylphosphine)iridium(I), 95% | 17250-25-8 Carbonylhydridotris(triphenylphosphine)iridium(I)|CS-0082591|17250-25-8 https://www.jk-sci.com/products/ts246cs-0083172 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7ed6096dfd5a26a1ba0a365adcf8c9c.jpg?v=1791672174 2-Amino-3-(difluoromethoxy)phenol, 97% | 1597140-36-7 2-Amino-3-(difluoromethoxy)phenol|CS-0083172|1597140-36-7 https://www.jk-sci.com/products/s57c4x-187743 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1757507d-a707-4dcd-8fd6-7d434c4e9d86.png?v=1791712859 Vitamin B6 (Pyridoxine) Impurity 43 Sodium, 98.60% Vitamin B6 (Pyridoxine) Impurity 43 Sodium|C4X-187743 https://www.jk-sci.com/products/ts246cs-0083230 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f33c709913c0addadf1affb97dbcfad.jpg?v=1791672163 3-Bromo-5-chloro-6-methylpyridin-2-amine, 98% | 952948-94-6 3-Bromo-5-chloro-6-methylpyridin-2-amine|CS-0083230|952948-94-6 https://www.jk-sci.com/products/ts246cs-0083482 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f6b63fcb2e098f2da468b9558e7b432.jpg?v=1791672126 (3-Hydroxy-4-methylphenyl)boronic acid, 97% | 216019-35-1 (3-Hydroxy-4-methylphenyl)boronic acid|CS-0083482|216019-35-1 https://www.jk-sci.com/products/s57c4x-187730 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5170b3525c91b70c3d8eaf7eee83a9ba.jpg?v=1791712866 Pyridoxal-d3 Hydrochloride, Purity: 98.3% | 1173023-49-8 Pyridoxal-d3 Hydrochloride|C4X-187730|1173023-49-8 https://www.jk-sci.com/products/s57c4x-18778 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bc9c3b57b4ad83f8581ba74786e9adf.jpg?v=1791712840 Pyridoxine EP Impurity A, 96.00% | 1006-21-9 Pyridoxine EP Impurity A|C4X-18778|1006-21-9 https://www.jk-sci.com/products/ts246cs-0083685 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461871_87c63c76-a5f5-44b0-969f-ce7d30929039.png?v=1791672114 Tetraammineplatinum(II) chloride, 99.90%+ | 13933-32-9 Tetraammineplatinum(II) chloride|CS-0083685|13933-32-9 https://www.jk-sci.com/products/s57c4x-18775 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/798c3e116884567ecab5f61e6330460d.jpg?v=1791712845 Pyridoxine Impurity 5, 96.40% | 4469-34-5 Pyridoxine Impurity 5|C4X-18775|4469-34-5 https://www.jk-sci.com/products/ts246cs-0083895 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5067f3863c908745fbc8d02f7c6ab7eb.jpg?v=1791672080 1-(Piperidin-4-yl)propan-1-ol, 95% | 24152-48-5 1-(Piperidin-4-yl)propan-1-ol|CS-0083895|24152-48-5 https://www.jk-sci.com/products/s57c4x-188110 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7a54ffec256ffa5e985d50b718f58ae_8bb4c1f9-116d-4106-bd47-a269559b866f.jpg?v=1791712830 4-Methoxyphenethyl Alcohol, 95.70% | 702-23-8 4-Methoxyphenethyl Alcohol|C4X-188110|702-23-8 https://www.jk-sci.com/products/ts246cs-0083834 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0573c6648187d9e44bf70d9247243b12.jpg?v=1791672102 3-Cyclobutyl-1-methyl-1H-pyrazole-4-carbaldehyde, 95% | 1824343-92-1 3-Cyclobutyl-1-methyl-1H-pyrazole-4-carbaldehyde|CS-0083834|1824343-92-1 https://www.jk-sci.com/products/ts246cs-0108184 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1090c832523f096fdc715359aafeab5.jpg?v=1791662774 Azido-PEG6-NHS ester, 98% | 2055014-64-5 Azido-PEG6-NHS ester|CS-0108184|2055014-64-5 https://www.jk-sci.com/products/s57c4x-18849 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291409_ea9b25e7-951c-42b3-b3c6-27013ff823bc.png?v=1791712791 Etomidate EP Impurity A, 90.90% | 3157-27-5 Etomidate EP Impurity A|C4X-18849|3157-27-5 https://www.jk-sci.com/products/s57c4x-189119 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39fa0372185ee6d24bf0c07c460890d3.jpg?v=1791712776 Esmolol Impurity 19, 95.00% | 108260-84-0 Esmolol Impurity 19|C4X-189119|108260-84-0 https://www.jk-sci.com/products/s57c4x-188420 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f935d2aa-1964-407b-8c6b-f989d64b2f22.png?v=1791712811 Etomidate Impurity 20, 99.30% Etomidate Impurity 20|C4X-188420 https://www.jk-sci.com/products/ts246cs-0108312 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3676aa99b76a21b821011d47066c4d14.jpg?v=1791662754 2,3-Dimethyl-2H-indazol-4-amine, 96% | 1782433-66-2 2,3-Dimethyl-2H-indazol-4-amine|CS-0108312|1782433-66-2 https://www.jk-sci.com/products/s57c4x-189011 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618170_abb7b82c-8042-4239-940d-524988526d87.png?v=1791712785 Ceftibuten Hydrate, 86.90% | 118081-34-8 Ceftibuten Hydrate|C4X-189011|118081-34-8 https://www.jk-sci.com/products/ts246cs-0083978 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37f27eccc940a2f31f20b9f769871b4f.jpg?v=1791672054 N1-(Imidazo[1,2-a]pyrazin-8-yl)ethane-1,2-diamine, 97% | 956722-44-4 N1-(Imidazo[1,2-a]pyrazin-8-yl)ethane-1,2-diamine|CS-0083978|956722-44-4 https://www.jk-sci.com/products/s57c4x-189131 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ff29ce52-17ef-401a-9734-21c0d4768b04.png?v=1791712771 Esmolol Impurity 31, 98.90% Esmolol Impurity 31|C4X-189131 https://www.jk-sci.com/products/ts246cs-0083983 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a39322743cb49be518b694b8374e6513.jpg?v=1791672049 4-(1-Methyl-1H-pyrazol-5-yl)benzaldehyde, 98% | 179055-28-8 4-(1-Methyl-1H-pyrazol-5-yl)benzaldehyde|CS-0083983|179055-28-8 https://www.jk-sci.com/products/ts246cs-0084030 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d8fa574549c5c88278995d42d57760e.jpg?v=1791672034 1-(3-Hydroxyphenyl)pyrrolidine-2,5-dione, 98% | 1204-36-0 1-(3-Hydroxyphenyl)pyrrolidine-2,5-dione|CS-0084030|1204-36-0 https://www.jk-sci.com/products/s57c4x-189140 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475860_0e440244-607a-4f66-a447-b31598df0351.png?v=1791712766 Esmolol Impurity 40, Purity: 99.2% | 61389-68-2 Esmolol Impurity 40|C4X-189140|61389-68-2 https://www.jk-sci.com/products/ts246cs-0084127 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3882a277326dd55fb018346186e82d29.jpg?v=1791672016 (1-Methyl-1H-imidazol-2-yl)(piperidin-4-yl)methanol, 95% | 912761-33-2 (1-Methyl-1H-imidazol-2-yl)(piperidin-4-yl)methanol|CS-0084127|912761-33-2 https://www.jk-sci.com/products/ts246cs-0084165 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f77d03c84c21f65589b80255310eb316.jpg?v=1791672010 (4-Methylpiperidin-4-yl)methanol hydrochloride, 97% | 1354792-85-0 (4-Methylpiperidin-4-yl)methanol hydrochloride|CS-0084165|1354792-85-0 https://www.jk-sci.com/products/ts246cs-0084271 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fd920d72dd166f56d256de30ccb39bd.jpg?v=1791671988 N-Methylnicotinamide, 96.02%+ | 114-33-0 N-Methylnicotinamide|CS-0084271|114-33-0 https://www.jk-sci.com/products/ts246cs-0084299 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28f2070fa2c8f6a2348a59137bb5fc92.jpg?v=1791671975 5-Bromo-2-(trifluoromethoxy)benzoic acid, 97% | 403646-47-9 5-Bromo-2-(trifluoromethoxy)benzoic acid|CS-0084299|403646-47-9 https://www.jk-sci.com/products/ts246cs-0084328 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a9817102322230d55686fa742681f72.jpg?v=1791671956 4-Bromo-3-(trifluoromethoxy)aniline, 97% | 116369-25-6 4-Bromo-3-(trifluoromethoxy)aniline|CS-0084328|116369-25-6 https://www.jk-sci.com/products/ts246cs-0084385 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8799d5330b8067c2f19f55eaaa21c00.jpg?v=1791671932 Methyl 2-methylimidazo[1,2-a]pyridine-3-carboxylate, 98.45%+ | 943112-78-5 Methyl 2-methylimidazo[1,2-a]pyridine-3-carboxylate|CS-0084385|943112-78-5 https://www.jk-sci.com/products/ts246cs-0084335 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a9b7df28ebdaab5769e51e986b8562.jpg?v=1791671956 (5-Cyano-2-(trifluoromethoxy)phenyl)boronic acid, 95% | 1072946-64-5 (5-Cyano-2-(trifluoromethoxy)phenyl)boronic acid|CS-0084335|1072946-64-5 https://www.jk-sci.com/products/s57c4x-189168 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_340faa3b-681a-497b-83bf-f34e63f23d18.png?v=1791712757 Esmolol Impurity 68, 99.40% Esmolol Impurity 68|C4X-189168 https://www.jk-sci.com/products/ts246cs-0084388 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327201.png?v=1791671929 (6-(Trifluoromethyl)pyridin-3-yl)methanol, 97% | 386704-04-7 (6-(Trifluoromethyl)pyridin-3-yl)methanol|CS-0084388|386704-04-7 https://www.jk-sci.com/products/s57c4x-189181 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c26768a-24b9-49b3-906a-c71c4a9b9fdb.png?v=1791712747 Esmolol Impurity 81, Purity: 97.5% Esmolol Impurity 81|C4X-189181 https://www.jk-sci.com/products/s57c4x-18928 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eeeea122237b68b3851373077307250c.jpg?v=1791712742 Calcifediol Impurity 8 | 78782-98-6 Calcifediol Impurity 8|C4X-18928|78782-98-6 https://www.jk-sci.com/products/s57c4x-18943 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d73f57ab89745a4f2b42b78dae28c18.jpg?v=1791712731 Ethambutol EP Impurity C (2R,2’R-Ethambutol), Purity: 100.0% | 10054-05-4 Ethambutol EP Impurity C (2R,2’R-Ethambutol)|C4X-18943|10054-05-4 https://www.jk-sci.com/products/ts246cs-0084541 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9ec028c4f3149a06759c1d0ae6290c5.jpg?v=1791671912 (11bR)-2,6-Di-9-phenanthrenyl-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 97% | 864943-22-6 (11bR)-2,6-Di-9-phenanthrenyl-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin|CS-0084541|864943-22-6 https://www.jk-sci.com/products/s57c4x-189511 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4cf05bd4-f7cc-4c04-a697-419b50ec0d39.png?v=1791712725 Flupentixol EP Impurity H and Flupentixol EP Impurity I Mixture, 98.40% Flupentixol EP Impurity H and Flupentixol EP Impurity I Mixture|C4X-189511 https://www.jk-sci.com/products/s57c4x-18953 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e2e342456f1ffb313221257a1a0deed.jpg?v=1791712718 Flupentixol EP Impurity B (E and Z Mixture) HCl, 97.70% | 47346-96-3 Flupentixol EP Impurity B (E and Z Mixture) HCl|C4X-18953|47346-96-3 https://www.jk-sci.com/products/ts246cs-0084577 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0177d7f043afcf35266eefdb86823030.jpg?v=1791671895 1-(3-Chlorophenyl)but-3-en-1-amine hydrochloride, 96% | 2089648-62-2 1-(3-Chlorophenyl)but-3-en-1-amine hydrochloride|CS-0084577|2089648-62-2 https://www.jk-sci.com/products/ts246cs-0084589 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325691.png?v=1791671890 6-Chloro-2-naphthalenesulfonyl chloride, 97% | 102153-63-9 6-Chloro-2-naphthalenesulfonyl chloride|CS-0084589|102153-63-9 https://www.jk-sci.com/products/s57c4x-189910 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13cf33df-ee6a-448f-97dc-8dc31403fb37.png?v=1791712710 Benzylpenicillin Impurity 10(Benzylpenicillin CP Impurity J), 88.80% Benzylpenicillin Impurity 10(Benzylpenicillin CP Impurity J)|C4X-189910 https://www.jk-sci.com/products/s57c4x-18994 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08c4c6891ca9b4fa2a400190119b4db6.jpg?v=1791712706 Benzylpenicillin EP Impurity D, 91.70% | 13093-87-3 Benzylpenicillin EP Impurity D|C4X-18994|13093-87-3 https://www.jk-sci.com/products/ts246cs-0084707 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612999.png?v=1791671841 (2-Methoxy-4-(trifluoromethoxy)phenyl)boronic acid, 98.00%+ | 355836-10-1 (2-Methoxy-4-(trifluoromethoxy)phenyl)boronic acid|CS-0084707|355836-10-1 https://www.jk-sci.com/products/s57c4x-18998 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129394_29a2d455-9fcd-4d80-a106-f73bf53af690.png?v=1791712699 Benzylpenicillin Impurity 8(Benzylpenicillin CP Impurity H), 99.50% | 500-98-1 Benzylpenicillin Impurity 8(Benzylpenicillin CP Impurity H)|C4X-18998|500-98-1 https://www.jk-sci.com/products/ts246cs-0084606 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a818b7cfd22b5fc6e7bf022200889bd.jpg?v=1791671867 3-Methyl-4-trifluoromethoxybenzeneboronic acid, 98% | 871362-79-7 3-Methyl-4-trifluoromethoxybenzeneboronic acid|CS-0084606|871362-79-7 https://www.jk-sci.com/products/ts246cs-0084750 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1443f0b78d280382e32747fcbacdcf7.jpg?v=1791671831 6-Fluoroquinazolin-2-amine, 95% | 20028-72-2 6-Fluoroquinazolin-2-amine|CS-0084750|20028-72-2 https://www.jk-sci.com/products/s57c4x-190217 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04869590ad79951dd574e1938a5a7885.jpg?v=1791712692 Salicylic Acid Impurity 17, 78.20% | 870806-51-2 Salicylic Acid Impurity 17|C4X-190217|870806-51-2 https://www.jk-sci.com/products/s57c4x-190330 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538514_950c4f03-9008-4540-bbb5-c8d39aa9d0f2.png?v=1791712686 Lenalidomide Impurity 30, 95.70% | 13726-85-7 Lenalidomide Impurity 30|C4X-190330|13726-85-7 https://www.jk-sci.com/products/s57c4x-19039 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a14e448cc3800aa47b33168c95b120.jpg?v=1791712678 Lenalidomide Impurity 9, Purity: 99.8% | 827026-45-9 Lenalidomide Impurity 9|C4X-19039|827026-45-9 https://www.jk-sci.com/products/s57c4x-19072 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ce5f974eda04a4aa0b5ffe266b6e9de.jpg?v=1791712667 Nicorandil EP Impurity A, 99.00% | 65141-47-1 Nicorandil EP Impurity A|C4X-19072|65141-47-1 https://www.jk-sci.com/products/s57c4x-190734 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a51b8a1-2f79-4237-8542-084c93e74bbf.png?v=1791712657 Nicorandil Impurity 34, 72.40% Nicorandil Impurity 34|C4X-190734 https://www.jk-sci.com/products/s57c4x-1906 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee6bc07c36852fa27da440383278f789.jpg?v=1791712672 Sugammadex Sodium Salt, 92.40% | 343306-79-6 Sugammadex Sodium Salt|C4X-1906|343306-79-6 https://www.jk-sci.com/products/s57c4x-190742 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92ae08c3b9fe0698346c4f5b828dd2ba_95aeb3dd-74c2-48f1-8c22-9490b4e7267c.jpg?v=1791712649 Nicorandil EP Impurity D, 99.70% | 40055-37-6 Nicorandil EP Impurity D|C4X-190742|40055-37-6 https://www.jk-sci.com/products/s57c4x-190753 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c381147-51a4-4eb2-907a-f8ed87d08542.png?v=1791712640 Nicorandil Impurity 53 Nitrate, 95.10% Nicorandil Impurity 53 Nitrate|C4X-190753 https://www.jk-sci.com/products/ts246cs-0084791 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94f171a3636877c866ed6037f0d63c10.jpg?v=1791671824 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carboxylic acid, 98% | 1527518-33-7 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carboxylic acid|CS-0084791|1527518-33-7 https://www.jk-sci.com/products/s57c4x-190755 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63bb9cde68b5e8c7e7e6e09756a390ff.jpg?v=1791712637 Nicorandil Impurity 55, Purity: 99.4% | 3612-79-1 Nicorandil Impurity 55|C4X-190755|3612-79-1 https://www.jk-sci.com/products/ts246cs-0084815 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128003.png?v=1791671810 3-Chloro-5-(trifluoromethoxy)benzoic acid, 98.00%+ | 433926-46-6 3-Chloro-5-(trifluoromethoxy)benzoic acid|CS-0084815|433926-46-6 https://www.jk-sci.com/products/s57c4x-190810 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271671f0faf9f441147ec63787c714f0.jpg?v=1791712632 Dopamine Impurity 10, 89.00% | 22568-47-4 Dopamine Impurity 10|C4X-190810|22568-47-4 https://www.jk-sci.com/products/ts246cs-0084819 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160926.png?v=1791671809 2-Bromo-5-(trifluoromethoxy)benzaldehyde, 95% | 505084-61-7 2-Bromo-5-(trifluoromethoxy)benzaldehyde|CS-0084819|505084-61-7 https://www.jk-sci.com/products/ts246cs-0084844 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377548.png?v=1791671796 4-Fluoro-3-(trifluoromethoxy)benzoic acid, 96.00%+ | 886496-49-7 4-Fluoro-3-(trifluoromethoxy)benzoic acid|CS-0084844|886496-49-7 https://www.jk-sci.com/products/s57c4x-190815 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159410.png?v=1791712628 Dopamine EP Impurity A, 98.60% | 3213-30-7 Dopamine EP Impurity A|C4X-190815|3213-30-7 https://www.jk-sci.com/products/s57c4x-19082 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458346.png?v=1791712626 Dopamine Impurity 2, 99.90% | 39816-35-8 Dopamine Impurity 2|C4X-19082|39816-35-8 https://www.jk-sci.com/products/s57c4x-190825 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59bbb903e564946f077de0131e207416.jpg?v=1791712618 Dopamine Impurity 25, 96.50% | 1124-39-6 Dopamine Impurity 25|C4X-190825|1124-39-6 https://www.jk-sci.com/products/s57c4x-190823 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595261_528f99ad-8238-4051-ab45-2526d0cfc428.png?v=1791712622 Dopamine Impurity 23, 98.80% | 645-33-0 Dopamine Impurity 23|C4X-190823|645-33-0 https://www.jk-sci.com/products/s57c4x-190828 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137709.png?v=1791712616 Dopamine Impurity 28, 96.40% | 1484-85-1 Dopamine Impurity 28|C4X-190828|1484-85-1 https://www.jk-sci.com/products/ts246cs-0084883 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/913c2c060755966b382afa6c1334b6e3.jpg?v=1791671775 4-Fluoro-3-(trifluoromethoxy)phenol, 98% | 886501-26-4 4-Fluoro-3-(trifluoromethoxy)phenol|CS-0084883|886501-26-4 https://www.jk-sci.com/products/ts246cs-0084860 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4fad3d718f4f7a18dca1a8c915f374f.jpg?v=1791671786 (6-Bromo-3H-imidazo[4,5-b]pyridin-2-yl)methanol, 95% | 172648-19-0 (6-Bromo-3H-imidazo[4,5-b]pyridin-2-yl)methanol|CS-0084860|172648-19-0 https://www.jk-sci.com/products/s57c4x-190831 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529572.png?v=1791712607 Dopamine Impurity 31, 93.50% | 3213-28-3 Dopamine Impurity 31|C4X-190831|3213-28-3 https://www.jk-sci.com/products/ts246cs-0084982 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b719a4db32ce9d5c2b1dd2f8d432857.jpg?v=1791671737 Tris[4,4'-bis(t-butyl)-2,2'-bipyridine]ruthenium(II) hexafluorophosphate, 95.00%+ | 75777-87-6 Tris[4,4'-bis(t-butyl)-2,2'-bipyridine]ruthenium(II) hexafluorophosphate|CS-0084982|75777-87-6 https://www.jk-sci.com/products/s57c4x-190845 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9c976cbafc6c5ef7cdcb6c3910f70db.jpg?v=1791712606 Dopamine Impurity 45, 99.10% | 637-26-3 Dopamine Impurity 45|C4X-190845|637-26-3 https://www.jk-sci.com/products/ts246cs-0084904 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57fa89a477f3c5822efaa7b75b528a80.jpg?v=1791671754 6-Bromo-8-methylimidazo[1,2-a]pyridine, 98% | 217435-65-9 6-Bromo-8-methylimidazo[1,2-a]pyridine|CS-0084904|217435-65-9 https://www.jk-sci.com/products/s57c4x-190858 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e51eccfa2eec41e73255d33664848589.jpg?v=1791712601 Dopamine Impurity 58, 83.60% | 140165-60-2 Dopamine Impurity 58|C4X-190858|140165-60-2 https://www.jk-sci.com/products/ts246cs-0084987 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89963b385a1286d74974803319bdeb71.jpg?v=1791671731 Tris (2,2'-bipyrazine) ruthenium dihydrochloride, 98% | 80925-50-4 Tris (2,2'-bipyrazine) ruthenium dihydrochloride|CS-0084987|80925-50-4 https://www.jk-sci.com/products/ts246cs-0085146 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593e78139c429d7943ea771e57327c88.jpg?v=1791671697 Benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione, 98.95%+ | 62208-68-8 Benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione|CS-0085146|62208-68-8 https://www.jk-sci.com/products/s57c4x-190873 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_566d3de5-ab3e-44dd-973a-a51ffd36a2b3.png?v=1791712590 Dopamine Impurity 73, 93.40% Dopamine Impurity 73|C4X-190873 https://www.jk-sci.com/products/ts246cs-0085178 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1985636931fe645ed6ad47298069d5a6.jpg?v=1791671676 Ethyl 5-bromopyrimidine-4-carboxylate, 95% | 64224-59-5 Ethyl 5-bromopyrimidine-4-carboxylate|CS-0085178|64224-59-5 https://www.jk-sci.com/products/s57c4x-190875 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6394205f5cca6cac1e48b8bb4ebd4c36.jpg?v=1791712590 Dopamine Impurity 75, 95.00% | 32602-66-7 Dopamine Impurity 75|C4X-190875|32602-66-7 https://www.jk-sci.com/products/s57c4x-19091 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225494_df49b561-4855-4837-a85b-c5d127c6ab17.png?v=1791712580 Sulfamethoxazole EP Impurity A, 97.20% | 21312-10-7 Sulfamethoxazole EP Impurity A|C4X-19091|21312-10-7 https://www.jk-sci.com/products/s57c4x-19088 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352111.png?v=1791712585 Dopamine EP Impurity C, 96.00% | 120-20-7 Dopamine EP Impurity C|C4X-19088|120-20-7 https://www.jk-sci.com/products/s57c4x-19096 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf214b8fa38e29f4b2d8880ee39a53e7.jpg?v=1791712575 Sulfamethoxazole EP Impurity F, 98.00% | 17103-52-5 Sulfamethoxazole EP Impurity F|C4X-19096|17103-52-5 https://www.jk-sci.com/products/s57c4x-191122 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6adbb86f-2615-438f-9664-f88eedb3dc92.png?v=1791712570 Cabe Palace Suya Inkstone I TFA, Purity: 98.6% Cabe Palace Suya Inkstone I TFA|C4X-191122 https://www.jk-sci.com/products/s57c4x-1911 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6285c34331e796c7df2c4d0512de0d06.jpg?v=1791712570 Carbetocin, 96.70% | 37025-55-1 Carbetocin|C4X-1911|37025-55-1 https://www.jk-sci.com/products/s57c4x-191128 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19634f3a-38a5-4452-a099-2a1f8ee87188.png?v=1791712564 [D-Asn5]-Carbetocin TFA, Purity: 99.6% [D-Asn5]-Carbetocin TFA|C4X-191128 https://www.jk-sci.com/products/ts246cs-0085182 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2127ae98887bdb99bf0cce540ecfe97.jpg?v=1791671672 4-Bromo-3,5-dichloroaniline, 95% | 1940-29-0 4-Bromo-3,5-dichloroaniline|CS-0085182|1940-29-0 https://www.jk-sci.com/products/s57c4x-191131 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_244a3fe5-b6ee-4d13-8384-8283cb04c1e5.png?v=1791712561 des-GIn-Carbetocin, 93.50% des-GIn-Carbetocin|C4X-191131 https://www.jk-sci.com/products/s57c4x-19115 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_68ce0c12-9231-46a1-92b6-55999e8d54ae.png?v=1791712559 Carbetocin Impurity 5, 95.30% Carbetocin Impurity 5|C4X-19115 https://www.jk-sci.com/products/ts246cs-0085213 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254235.png?v=1791671646 (S)-(+)-1-[(R)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldicyclohexylphosphine, 95% | 158923-07-0 (S)-(+)-1-[(R)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldicyclohexylphosphine|CS-0085213|158923-07-0 https://www.jk-sci.com/products/ts246cs-0085195 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eafb8666945fc4473cd72f67074a8c9.jpg?v=1791671663 8-Fluoroquinoline-2-carboxaldehyde, 97% | 904369-10-4 8-Fluoroquinoline-2-carboxaldehyde|CS-0085195|904369-10-4 https://www.jk-sci.com/products/ts246cs-0085224 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790272.png?v=1791671630 (S)-(+)-(3,5-Dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)piperidine, 97% | 284472-79-3 (S)-(+)-(3,5-Dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)piperidine|CS-0085224|284472-79-3 https://www.jk-sci.com/products/s57c4x-1912 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69e66e087eb15f587314bab4e123be60.jpg?v=1791712555 Articaine Hydrochloride, 99.10% | 23964-57-0 Articaine Hydrochloride|C4X-1912|23964-57-0 https://www.jk-sci.com/products/s57c4x-19122 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ec0d876-95c2-4eb0-88d6-dc4e07628645.png?v=1791712542 Articaine EP Impurity A HCl, 92.40% Articaine EP Impurity A HCl|C4X-19122 https://www.jk-sci.com/products/ts246cs-0080413 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258936.png?v=1791672736 2-Chloro-1-iodo-4-methylbenzene, 98% | 116632-42-9 2-Chloro-1-iodo-4-methylbenzene|CS-0080413|116632-42-9 https://www.jk-sci.com/products/s57c4x-191215 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6f931ab-de3a-4ca1-928e-70d47c31d7b7.png?v=1791712546 N-Nitroso Articaine, 98.60% N-Nitroso Articaine|C4X-191215 https://www.jk-sci.com/products/ts246cs-0076798 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d75cea28568abc136d9587c0f12eaf4a.jpg?v=1791673220 3-(3-Methylthiophen-2-yl)propanoic acid, 98% | 25468-85-3 3-(3-Methylthiophen-2-yl)propanoic acid|CS-0076798|25468-85-3 https://www.jk-sci.com/products/s57c4x-191210 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a396f67249d4d454556001fd551cb1eb.jpg?v=1791712550 Articaine EP Impurity G, 99.50% | 23964-59-2 Articaine EP Impurity G|C4X-191210|23964-59-2 https://www.jk-sci.com/products/s57c4x-191224 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/401326.png?v=1791712538 Articaine impurity 24, 99.50% | 7400-45-5 Articaine impurity 24|C4X-191224|7400-45-5 https://www.jk-sci.com/products/ts246cs-0080872 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43307db9ef4b1f5dd3517acd4fe2e012.jpg?v=1791672560 Dibromo(1,5-cyclooctadiene)palladium(II), 98% | 12145-47-0 Dibromo(1,5-cyclooctadiene)palladium(II)|CS-0080872|12145-47-0 https://www.jk-sci.com/products/ts246cs-0081168 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201914.png?v=1791672459 (E)-3-(3-(Trifluoromethoxy)phenyl)acrylic acid, 98% | 175675-63-5 (E)-3-(3-(Trifluoromethoxy)phenyl)acrylic acid|CS-0081168|175675-63-5 https://www.jk-sci.com/products/s57c4x-19125 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9475f07b-4f33-4af3-b67f-e393e6f64130.png?v=1791712532 Articaine EP Impurity D, 96.60% Articaine EP Impurity D|C4X-19125 https://www.jk-sci.com/products/s57c4x-191330 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1581a85355615614a1ad7b8ef12ac67a.jpg?v=1791712513 Rasagiline Impurity 30 HCl, 98.90% | 2733311-45-8 Rasagiline Impurity 30 HCl|C4X-191330|2733311-45-8 https://www.jk-sci.com/products/ts246cs-0083214 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc2332b333acd1109b2553a6edad5683.jpg?v=1791672168 2-Amino-6-chloro-5-fluoro-3-pyridinecarbonitrile, 98% | 1820711-14-5 2-Amino-6-chloro-5-fluoro-3-pyridinecarbonitrile|CS-0083214|1820711-14-5 https://www.jk-sci.com/products/ts246cs-0082103 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc39be2ce0781c451f8440d57a34ee8.jpg?v=1791672329 RuCl2[(S)-(DM-SEGPHOS?)][(S,S)-DPEN], 97% | 944450-46-8 RuCl2[(S)-(DM-SEGPHOS?)][(S,S)-DPEN]|CS-0082103|944450-46-8 https://www.jk-sci.com/products/ts246cs-0083877 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07450e64b03063d3eebf539047d00b6f.jpg?v=1791672086 (3aR,5S)-5-Methyl-3a,4,5,7-tetrahydro-3H-pyrano[3,4-c]isoxazole, 96% | 1613393-51-3 (3aR,5S)-5-Methyl-3a,4,5,7-tetrahydro-3H-pyrano[3,4-c]isoxazole|CS-0083877|1613393-51-3 https://www.jk-sci.com/products/s57c4x-191324 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529649.png?v=1791712513 (S)-Rasagiline, 96.10% | 185517-74-2 (S)-Rasagiline|C4X-191324|185517-74-2 https://www.jk-sci.com/products/ts246cs-0082374 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277ee7f8f295ca162fe2e56d23337d5e.jpg?v=1791672264 2-Methoxy-5-methylnicotinic acid, 96% | 1227594-72-0 2-Methoxy-5-methylnicotinic acid|CS-0082374|1227594-72-0 https://www.jk-sci.com/products/s57c4x-191348 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495302_7fccefb2-72d3-4749-b992-7088caec6520.png?v=1791712502 Rasagiline Impurity 48, 98.30% | 7223-50-9 Rasagiline Impurity 48|C4X-191348|7223-50-9 https://www.jk-sci.com/products/ts246cs-0083677 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1469985cfcb2a99d8c55f906ca4b4f8.jpg?v=1791672121 Ammonium tetrachloroplatinate(II), Pt 52% | 13820-41-2 Ammonium tetrachloroplatinate(II)|CS-0083677|13820-41-2 https://www.jk-sci.com/products/s57c4x-19127 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3b61aebe-dd17-4608-9107-7db857b5a736.png?v=1791712532 Articaine EP Impurity F HCl, 95.40% Articaine EP Impurity F HCl|C4X-19127 https://www.jk-sci.com/products/s57c4x-19174 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4a1127d9dab1887c4e5b7dd0c15f29f.jpg?v=1791712478 Fulvestrant EP Impurity D, 92.30% | 2483797-59-5 Fulvestrant EP Impurity D|C4X-19174|2483797-59-5 https://www.jk-sci.com/products/s57c4x-19161 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e725b6da9313c7796d33ce6032466182.jpg?v=1791712493 Selegiline EP Impurity D HCl, 98.90% | 115586-38-4 Selegiline EP Impurity D HCl|C4X-19161|115586-38-4 https://www.jk-sci.com/products/s57c4x-19167 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5545fb1-81d8-4730-90c7-b899baa68cf7.png?v=1791712486 Selegiline Impurity 7, Purity: 100.0% Selegiline Impurity 7|C4X-19167 https://www.jk-sci.com/products/s57c4x-191313 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/747665da061642242ca1361b8583c812.jpg?v=1791712522 Rasagiline Impurity 13 HCl, 98.80% | 1175018-75-3 Rasagiline Impurity 13 HCl|C4X-191313|1175018-75-3 https://www.jk-sci.com/products/s57c4x-19165 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aa7acb3d-ad5a-41f4-9d5c-c4d9a7dcebfd.png?v=1791712490 Selegiline Impurity 5, 98.20% Selegiline Impurity 5|C4X-19165 https://www.jk-sci.com/products/s57c4x-191319 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77adfac9-6806-4e6a-9857-7718adbdf4ec.png?v=1791712517 Rasagiline Impurity 19, 88.50% Rasagiline Impurity 19|C4X-191319 https://www.jk-sci.com/products/s57c4x-19191 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df4a4524-9055-450d-b916-9647d67a9631.png?v=1791712473 Methylprednisolone Impurity 1, 99.00% Methylprednisolone Impurity 1|C4X-19191 https://www.jk-sci.com/products/s57c4x-191371 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2ab61a3c-1225-4983-8145-39d6251a3bc4.png?v=1791712496 Rasagiline Impurity 71, Purity: 99.8% Rasagiline Impurity 71|C4X-191371 https://www.jk-sci.com/products/s57c4x-1917 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258323.png?v=1791712484 Fulvestrant, 99.80% | 129453-61-8 Fulvestrant|C4X-1917|129453-61-8 https://www.jk-sci.com/products/s57c4x-191343 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e95f962a-2776-4035-a0a7-630f93c0736e.png?v=1791712505 Rasagiline Impurity 43, 98.70% Rasagiline Impurity 43|C4X-191343 https://www.jk-sci.com/products/ts246cs-0082796 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_59f9191d-b3b0-4014-87f7-1d9f9f65e888.png?v=1791672209 4,4'-Bis(t-butyl-2,2'-bipyridine]bis[5-methyl-2-(4-methyl-2-pyridinyl-kN)phenyl-kC]iridium hexafluorophosphate, 98% | 1607469-49-7 4,4'-Bis(t-butyl-2,2'-bipyridine]bis[5-methyl-2-(4-methyl-2-pyridinyl-kN)phenyl-kC]iridium hexafluorophosphate|CS-0082796|1607469-49-7 https://www.jk-sci.com/products/s57c4x-19129 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d10d3f2df45e74d5093d7f1cd24ac85.jpg?v=1791712528 Articaine EP Impurity J, 99.80% | 1160919-46-9 Articaine EP Impurity J|C4X-19129|1160919-46-9 https://www.jk-sci.com/products/s57c4x-191913 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614726.png?v=1791712470 Prednisolone Acetate EP Impurity D, 97.70% | 20423-99-8 Prednisolone Acetate EP Impurity D|C4X-191913|20423-99-8 https://www.jk-sci.com/products/s57c4x-191936 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddf4f1def80d6808931d30a6d25a48f7.jpg?v=1791712450 Methylprednisolone EP Impurity G, 98.50% | 93269-35-3 Methylprednisolone EP Impurity G|C4X-191936|93269-35-3 https://www.jk-sci.com/products/s57c4x-191933 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a07453a6cdb18f21191234e70b72a803.jpg?v=1791712455 Methylprednisolone EP Impurity C, 99.20% | 61919-52-6 Methylprednisolone EP Impurity C|C4X-191933|61919-52-6 https://www.jk-sci.com/products/s57c4x-19192 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380156.png?v=1791712469 Methylprednisolone EP Impurity J, 99.40% | 53-36-1 Methylprednisolone EP Impurity J|C4X-19192|53-36-1 https://www.jk-sci.com/products/s57c4x-191941 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/022634987d393ea42373087c99ad7f81.jpg?v=1791712448 Methylprednisolone EP Impurity B, 97.10% | 58636-50-3 Methylprednisolone EP Impurity B|C4X-191941|58636-50-3 https://www.jk-sci.com/products/s57c4x-191931 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27dab8f12cab53f08c6582630a1a4b8b.jpg?v=1791712460 Methylprednisolone EP Impurity D, 94.90% | 1338549-02-2 Methylprednisolone EP Impurity D|C4X-191931|1338549-02-2 https://www.jk-sci.com/products/s57c4x-19196 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0a37dbc9-c0cd-491d-ab59-2335379df8d2.png?v=1791712438 Methylprednisolone Succinate Dimer, 99.30% Methylprednisolone Succinate Dimer|C4X-19196 https://www.jk-sci.com/products/s57c4x-192022 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/334914.png?v=1791712430 Goserelin Acetate, 76.10% | 145781-92-6 Goserelin Acetate|C4X-192022|145781-92-6 https://www.jk-sci.com/products/s57c4x-192030 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_615cc2fd-953b-4bce-86fb-1eb82f573b65.png?v=1791712425 Goserelin BP Impurity 8 Ditrifluoroacetate, 93.60% Goserelin BP Impurity 8 Ditrifluoroacetate|C4X-192030 https://www.jk-sci.com/products/s57c4x-192015 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7346248c-bf62-42a4-8262-eee6d957d961.png?v=1791712434 Goserelin EP Impurity K Acetate, 90.10% Goserelin EP Impurity K Acetate|C4X-192015 https://www.jk-sci.com/products/s57c4x-191958 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb1e0b7bf11b6f66a6268de3832b991a.jpg?v=1791712445 Methylprednisolone 17-Propionate, Purity: 98.8% | 79512-61-1 Methylprednisolone 17-Propionate|C4X-191958|79512-61-1 https://www.jk-sci.com/products/ts246cs-0083980 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2680c07138c3cc8b2bbf80991f6dcb29.jpg?v=1791672054 5-(Pyrazin-2-yl)oxazole-4-carboxylic acid, 98% | 1083401-49-3 5-(Pyrazin-2-yl)oxazole-4-carboxylic acid|CS-0083980|1083401-49-3 https://www.jk-sci.com/products/s57c4x-191967 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a560c85ebf74aaaf05703dac8fee8c61.jpg?v=1791712441 17-Hydroxy-Methylprednisolone Impurity E Derivative, Purity: 98.1% | 167997-11-7 17-Hydroxy-Methylprednisolone Impurity E Derivative|C4X-191967|167997-11-7 https://www.jk-sci.com/products/s57c4x-192033 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fac7de2b-e7e2-4790-97af-345e10e141ee.png?v=1791712420 Goserelin BP Impurity 3 Acetate, 90.70% Goserelin BP Impurity 3 Acetate|C4X-192033 https://www.jk-sci.com/products/ts246cs-0084292 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568538.png?v=1791671980 3-Fluoro-4-(trifluoromethoxy)benzoic acid, 98.34%+ | 886498-89-1 3-Fluoro-4-(trifluoromethoxy)benzoic acid|CS-0084292|886498-89-1 https://www.jk-sci.com/products/ts246cs-0084386 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124365_7471aa02-387b-41e5-8f0a-f3c47149f602.png?v=1791671932 3-Bromo-2-methylimidazo[1,2-a]pyridine, 98% | 4805-70-3 3-Bromo-2-methylimidazo[1,2-a]pyridine|CS-0084386|4805-70-3 https://www.jk-sci.com/products/ts246cs-0084129 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312505.png?v=1791672021 2-Propoxybenzaldehyde, 98% | 7091-12-5 2-Propoxybenzaldehyde|CS-0084129|7091-12-5 https://www.jk-sci.com/products/ts246cs-0084332 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53b7ec526f4ffbb0da75c4e7863be075.jpg?v=1791671956 4-Bromo-3-(trifluoromethoxy)phenol, 98% | 886499-93-0 4-Bromo-3-(trifluoromethoxy)phenol|CS-0084332|886499-93-0 https://www.jk-sci.com/products/ts246cs-0084550 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd503889-305f-4bc3-93fe-04116a5169f0.png?v=1791671900 [1,3-Bis(2,6-di-i-propylphenyl)imidazolidin-2-ylidene)(tricyclohexylphosphine)-(2-oxobenzylidene)ruthenium(II), 95% | 1544328-59-7 [1,3-Bis(2,6-di-i-propylphenyl)imidazolidin-2-ylidene)(tricyclohexylphosphine)-(2-oxobenzylidene)ruthenium(II)|CS-0084550|1544328-59-7 https://www.jk-sci.com/products/ts246cs-0084596 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4ea3e9594f30fc36d417a3f7f6630d0.jpg?v=1791671873 (R)-2-(9-(Pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl)acetonitrile, 98% | 1401031-38-6 (R)-2-(9-(Pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl)acetonitrile|CS-0084596|1401031-38-6 https://www.jk-sci.com/products/ts246cs-0084723 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d3a50eebe077cbb52c8d1a29bcc759d.jpg?v=1791671838 Imidazo[1,2-a]pyridin-5-ylmethanol, 98.00%+ | 167884-17-5 Imidazo[1,2-a]pyridin-5-ylmethanol|CS-0084723|167884-17-5 https://www.jk-sci.com/products/ts246cs-0085030 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29df5963da72dcdeac048a626220af5d.jpg?v=1791671726 Dimethylammonium dichlorotri(μ-chloro)bis{(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}diruthenate(II), 97% | 944451-14-3 Dimethylammonium dichlorotri(μ-chloro)bis{(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}diruthenate(II)|CS-0085030|944451-14-3 https://www.jk-sci.com/products/ts246cs-0085205 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791863.png?v=1791671657 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis(di-2-furylphosphine), 97% | 145214-59-1 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis(di-2-furylphosphine)|CS-0085205|145214-59-1 https://www.jk-sci.com/products/ts246cs-0084919 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9a2fd7153c4eee60de78e2c8e910b7e.jpg?v=1791671749 2-Thioxo-5-(4-(trifluoromethyl)benzyl)thiazolidin-4-one, 98% | 905267-14-3 2-Thioxo-5-(4-(trifluoromethyl)benzyl)thiazolidin-4-one|CS-0084919|905267-14-3 https://www.jk-sci.com/products/ts246cs-0084842 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ed1f7b32fdc6ecb61a4a51d7352f5fd.jpg?v=1791671796 6-Methyl-3,4-dihydroisoquinolin-1(2H)-one, 98% | 1082041-78-8 6-Methyl-3,4-dihydroisoquinolin-1(2H)-one|CS-0084842|1082041-78-8 https://www.jk-sci.com/products/ts246cs-0084801 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274695.png?v=1791671815 2-Methyl-1-(4-(trifluoromethoxy)phenyl)propan-1-one, 98% | 56425-84-4 2-Methyl-1-(4-(trifluoromethoxy)phenyl)propan-1-one|CS-0084801|56425-84-4 https://www.jk-sci.com/products/ts246cs-0084879 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534d39fd95669353884d5582f74a59a3.jpg?v=1791671776 3-(4-Methyl-2,5-dioxoimidazolidin-4-yl)propanoic acid, 98% | 43189-50-0 3-(4-Methyl-2,5-dioxoimidazolidin-4-yl)propanoic acid|CS-0084879|43189-50-0 https://www.jk-sci.com/products/ts246cs-0085179 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7eaf0ac0791321868f2b02884104499a.jpg?v=1791671677 (R)-2,2'-Dimethoxy-1,1'-binaphthyl, 97% | 35294-28-1 (R)-2,2'-Dimethoxy-1,1'-binaphthyl|CS-0085179|35294-28-1 https://www.jk-sci.com/products/s57c4x-192035 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0483a81-9acc-4a82-810d-97b5ea759195.png?v=1791712416 Goserelin BP Impurity 5 Acetate, 92.60% Goserelin BP Impurity 5 Acetate|C4X-192035 https://www.jk-sci.com/products/s57c4x-192039 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_31323aa4-f384-4ceb-a642-2df3fa7a39a4.png?v=1791712411 Goserelin Impurity 39 Trifluoroacetic Acid, 93.50% Goserelin Impurity 39 Trifluoroacetic Acid|C4X-192039 https://www.jk-sci.com/products/ts246cs-0085266 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577730_8fc44cec-9557-4f58-be52-ff67752bbd59.png?v=1791671600 3,5-Dimethyl-4-nitroisoxazole, 97% | 1123-49-5 3,5-Dimethyl-4-nitroisoxazole|CS-0085266|1123-49-5 https://www.jk-sci.com/products/ts246cs-0085263 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dffbac72c92dd07958c7507964515a0.jpg?v=1791671605 3-(p-Tolyl)isoxazol-5-amine, 98% | 28883-91-2 3-(p-Tolyl)isoxazol-5-amine|CS-0085263|28883-91-2 https://www.jk-sci.com/products/s57c4x-192040 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c5d07747-5dd5-4db9-8c7e-7acecd4b23bb.png?v=1791712410 Goserelin Impurity 40 Trifluoroacetic Acid, 86.30% Goserelin Impurity 40 Trifluoroacetic Acid|C4X-192040 https://www.jk-sci.com/products/s57c4x-192044 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b278d781-7065-4a55-a77e-895c20d8c39e.png?v=1791712402 Des-Pyr1-Goserelin Trifluoroacetate, 78.00% Des-Pyr1-Goserelin Trifluoroacetate|C4X-192044 https://www.jk-sci.com/products/ts246cs-0085229 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f2a763dda12c9822f5f7979bb003b1a.jpg?v=1791671630 7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one, 98% | 103361-99-5 7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0085229|103361-99-5 https://www.jk-sci.com/products/s57c4x-192042 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e98687f1-a213-44da-891b-492899ac5249.png?v=1791712407 Goserelin Impurity 42 TFA Salt, 81.10% Goserelin Impurity 42 TFA Salt|C4X-192042 https://www.jk-sci.com/products/ts246cs-0085286 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212ff4befa5a1e292a0f13c8d610ce43.jpg?v=1791671585 5-(4-Methoxyphenyl)isoxazole-3-carboxylic acid, 98% | 33282-16-5 5-(4-Methoxyphenyl)isoxazole-3-carboxylic acid|CS-0085286|33282-16-5 https://www.jk-sci.com/products/ts246cs-0085338 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505317.png?v=1791671542 6-Bromo-3-methylbenzo[d]isoxazole, 98% | 66033-69-0 6-Bromo-3-methylbenzo[d]isoxazole|CS-0085338|66033-69-0 https://www.jk-sci.com/products/s57c4x-192046 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c1b6faf-341b-48bf-9ac5-7984b7f3e563.png?v=1791712402 Goserelin EP Impurity L TFA, 86.70% Goserelin EP Impurity L TFA|C4X-192046 https://www.jk-sci.com/products/ts246cs-0085344 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602561.png?v=1791671542 1,3-Bis(2,6-diisopropylphenyl)-1H-imidazol-3-ium tetrafluoroborate, 97.00%+ | 286014-25-3 1,3-Bis(2,6-diisopropylphenyl)-1H-imidazol-3-ium tetrafluoroborate|CS-0085344|286014-25-3 https://www.jk-sci.com/products/ts246cs-0085350 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cd45dc07f2ecedd774a95cd5440f6c1.jpg?v=1791671536 5-Chloro-1H-indazol-3-amine, 98% | 5685-72-3 5-Chloro-1H-indazol-3-amine|CS-0085350|5685-72-3 https://www.jk-sci.com/products/ts246cs-0085357 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329275.png?v=1791671525 1,3-Bis(2,4,6-trimethylphenyl)imidazolium tetrafluoroborate, 99.78%+ | 286014-53-7 1,3-Bis(2,4,6-trimethylphenyl)imidazolium tetrafluoroborate|CS-0085357|286014-53-7 https://www.jk-sci.com/products/ts246cs-0085394 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282093.png?v=1791671513 2-(Phenylthio)isoindoline-1,3-dione, 98% | 14204-27-4 2-(Phenylthio)isoindoline-1,3-dione|CS-0085394|14204-27-4 https://www.jk-sci.com/products/ts246cs-0085416 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d034fd70c6adcfc0de91c06cf30c0961.jpg?v=1791671495 1'-Benzyl-3,7-diazaspiro[bicyclo[3.3.1]nonane-9,4'-piperidine]-2,4,6,8-tetraone, 98% | 1176981-06-8 1'-Benzyl-3,7-diazaspiro[bicyclo[3.3.1]nonane-9,4'-piperidine]-2,4,6,8-tetraone|CS-0085416|1176981-06-8 https://www.jk-sci.com/products/ts246cs-0085566 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dd705445028713ce6dee82d7d759cca.jpg?v=1791671459 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile, 95% | 1612174-34-1 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile|CS-0085566|1612174-34-1 https://www.jk-sci.com/products/ts246cs-0085609 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0f12d36dc629bd85c451efbd07a676f.jpg?v=1791671439 3-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butanenitrile, 95% | 1233526-43-6 3-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butanenitrile|CS-0085609|1233526-43-6 https://www.jk-sci.com/products/ts246cs-0085628 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6565096e-8f43-4160-8d8a-b0a3dbab8c58.png?v=1791671431 Chloroiridic acid,Ir 35% in HCl, Ir 35% in HCl | 16941-92-7 Chloroiridic acid,Ir 35% in HCl|CS-0085628|16941-92-7 https://www.jk-sci.com/products/s57c4x-19231 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244122.png?v=1791712392 Tetracaine EP Impurity A, 99.90% | 150-13-0 Tetracaine EP Impurity A|C4X-19231|150-13-0 https://www.jk-sci.com/products/s57c4x-19212 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462924.png?v=1791712398 Testosterone EP Impurity E, Purity: 99.8% | 1045-69-8 Testosterone EP Impurity E|C4X-19212|1045-69-8 https://www.jk-sci.com/products/s57c4x-19223 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279605.png?v=1791712392 Estazolam Impurity 3, 99.30% | 10352-28-0 Estazolam Impurity 3|C4X-19223|10352-28-0 https://www.jk-sci.com/products/s57c4x-192313 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411832.png?v=1791712387 Tetracaine Impurity 13, 99.60% | 99-77-4 Tetracaine Impurity 13|C4X-192313|99-77-4 https://www.jk-sci.com/products/ts246cs-0085697 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f5d309f537ea12f78edc23a710e57fe.jpg?v=1791671405 (S)-Pyrrolidin-2-yldi-p-tolylmethanol, 97% | 131180-52-4 (S)-Pyrrolidin-2-yldi-p-tolylmethanol|CS-0085697|131180-52-4 https://www.jk-sci.com/products/ts246cs-0085637 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4f027d554c94a829cca8787120380b2.jpg?v=1791671428 2-Amino-N-(2-(dimethylamino)ethyl)-2-methylpropanamide dihydrochloride, 97% | 1219957-57-9 2-Amino-N-(2-(dimethylamino)ethyl)-2-methylpropanamide dihydrochloride|CS-0085637|1219957-57-9 https://www.jk-sci.com/products/s57c4x-192319 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60d54ec4-a4ce-4801-b818-8db33e47d6e5.png?v=1791712382 N-Nitroso Tetracaine, 98.40% N-Nitroso Tetracaine|C4X-192319 https://www.jk-sci.com/products/s57c4x-192320 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4290b27e7e4704284adc171e6d884386.jpg?v=1791712379 Tetracaine impurity 20, 96.90% | 1152620-27-3 Tetracaine impurity 20|C4X-192320|1152620-27-3 https://www.jk-sci.com/products/s57c4x-192322 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57482dd27d05a2de4e890f228f1eae85.jpg?v=1791712374 Tetracaine Impurity 22, 78.30% | 794457-79-7 Tetracaine Impurity 22|C4X-192322|794457-79-7 https://www.jk-sci.com/products/ts246cs-0085709 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381574.png?v=1791671391 (S)-2-Amino-1,1,3-triphenylpropan-1-ol, 98% | 79868-78-3 (S)-2-Amino-1,1,3-triphenylpropan-1-ol|CS-0085709|79868-78-3 https://www.jk-sci.com/products/s57c4x-19233 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b40a3a4399a24611ca61c5dccf00b9ec.jpg?v=1791712369 Tetracaine EP Impurity C, 98.30% | 71839-12-8 Tetracaine EP Impurity C|C4X-19233|71839-12-8 https://www.jk-sci.com/products/s57c4x-19241 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/509107.png?v=1791712359 Urapidil Impurity 1, 93.20% | 34654-80-3 Urapidil Impurity 1|C4X-19241|34654-80-3 https://www.jk-sci.com/products/s57c4x-19235 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536224.png?v=1791712368 Tetracaine Impurity 5, 99.60% | 94-32-6 Tetracaine Impurity 5|C4X-19235|94-32-6 https://www.jk-sci.com/products/s57c4x-19237 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261df799f99fe3d295d9b12e2884cad3.jpg?v=1791712364 Tetracaine Impurity 7, 98.90% | 10012-47-2 Tetracaine Impurity 7|C4X-19237|10012-47-2 https://www.jk-sci.com/products/ts246cs-0085732 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505762_eda6835a-08a8-453a-ab77-29b8b38909c1.png?v=1791671385 2,6-Bis(pyridin-2-yl)-4-pyridone, 96.68%+ | 128143-88-4 2,6-Bis(pyridin-2-yl)-4-pyridone|CS-0085732|128143-88-4 https://www.jk-sci.com/products/ts246cs-0085716 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e15b8c36de3f3105b7bd30058de97e9.jpg?v=1791671385 (E)-1-Fluoro-3-(2-nitrovinyl)benzene, 97% | 1979-49-3 (E)-1-Fluoro-3-(2-nitrovinyl)benzene|CS-0085716|1979-49-3 https://www.jk-sci.com/products/ts246cs-0085783 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120820.png?v=1791671353 (1,5-Cyclooctadiene)dimethylplatinum(II), 98% | 12266-92-1 (1,5-Cyclooctadiene)dimethylplatinum(II)|CS-0085783|12266-92-1 https://www.jk-sci.com/products/ts246cs-0085797 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354262.png?v=1791671347 5-Methyl-2-phenylpyridine, 98% | 27012-22-2 5-Methyl-2-phenylpyridine|CS-0085797|27012-22-2 https://www.jk-sci.com/products/s57c4x-192415 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367102.png?v=1791712357 Urapidil, 100.00% | 34661-75-1 Urapidil|C4X-192415|34661-75-1 https://www.jk-sci.com/products/ts246cs-0085881 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790271.png?v=1791671323 (11bS)?-N,?N-Diethyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 96% | 252288-04-3 (11bS)?-N,?N-Diethyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0085881|252288-04-3 https://www.jk-sci.com/products/ts246cs-0086017 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351323.png?v=1791671291 cis-Pt(PEt3)2(Cl)2, 95% | 15692-07-6 cis-Pt(PEt3)2(Cl)2|CS-0086017|15692-07-6 https://www.jk-sci.com/products/ts246cs-0086027 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494486.png?v=1791671275 (2S,4S)-2,4-Bis(diphenylphosphino)pentane, 97% | 77876-39-2 (2S,4S)-2,4-Bis(diphenylphosphino)pentane|CS-0086027|77876-39-2 https://www.jk-sci.com/products/s57c4x-192420 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a3df9aef-469e-4965-a807-38cc514146ba.png?v=1791712354 Urapidil Impurity 20, 97.50% Urapidil Impurity 20|C4X-192420 https://www.jk-sci.com/products/ts246cs-0086075 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e716d31051df3fe9dffabbb525332ae.jpg?v=1791671251 5-(4-Methoxycarbonylphenyl)-10,15,20-triphenylporphyrin, 95% | 119730-06-2 5-(4-Methoxycarbonylphenyl)-10,15,20-triphenylporphyrin|CS-0086075|119730-06-2 https://www.jk-sci.com/products/ts246cs-0086364 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45797127b874cfdb6bc610e723b6d873.jpg?v=1791671211 (R)-3,3'-Di-9-anthracenyl-1,1'-bi-2-naphthol, 97% | 361342-49-6 (R)-3,3'-Di-9-anthracenyl-1,1'-bi-2-naphthol|CS-0086364|361342-49-6 https://www.jk-sci.com/products/ts246cs-0086433 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56802b558b7b33298f185e02a70ff128.jpg?v=1791671175 (R)-VAPOL, 97% | 147702-16-7 (R)-VAPOL|CS-0086433|147702-16-7 https://www.jk-sci.com/products/s57c4x-192427 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345d983ab08a6a41762738620d9159f7.jpg?v=1791712349 Urapidil Impurity 27, Purity: 99.9% | 31737-09-4 Urapidil Impurity 27|C4X-192427|31737-09-4 https://www.jk-sci.com/products/ts246cs-0086239 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bcc808fe2e47ef1e349a1f945df8163.jpg?v=1791671230 Propynol Ethoxylate, 90% | 3973-18-0 Propynol Ethoxylate|CS-0086239|3973-18-0 https://www.jk-sci.com/products/ts246cs-0071855 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492597_495e1d08-3d25-492c-838f-44e675188c1c.png?v=1791673832 4-Naphthalen-1-yl-thiazol-2-ylamine, 95.58%+ | 56503-96-9 4-Naphthalen-1-yl-thiazol-2-ylamine|CS-0071855|56503-96-9 https://www.jk-sci.com/products/s57c4x-17755 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c2d7077320faabb43881d7cb136f60e.jpg?v=1791713983 Vancomycin EP Impurity D, 90.90% | 101485-50-1 Vancomycin EP Impurity D|C4X-17755|101485-50-1 https://www.jk-sci.com/products/s57c4x-172814 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297387_3adce840-859e-451f-9070-8f7bf37e7370.png?v=1791714358 Pentoxifylline Impurity 14, 98.00% | 6493-07-8 Pentoxifylline Impurity 14|C4X-172814|6493-07-8 https://www.jk-sci.com/products/s57c4x-181315 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb65b9b3aa85443ea22a77d18ad0ee4a_cea5e87a-0123-4e35-8edf-f570f32ada29.jpg?v=1791713646 Butylphthalide Impurity 15, 84.30% | 3453-64-3 Butylphthalide Impurity 15|C4X-181315|3453-64-3 https://www.jk-sci.com/products/s57c4x-17976 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dac56f31-d362-49fb-a88e-75456da06757.png?v=1791713781 Tenofovir Alafenamide Impurity 6, 86.00% Tenofovir Alafenamide Impurity 6|C4X-17976 https://www.jk-sci.com/products/s57c4x-18211 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402177_c9425181-3ab5-4a89-a8c8-c40bb4c2097d.png?v=1791713522 Polaprezinc Impurity 1, Purity: 99.7% | 5323-50-2 Polaprezinc Impurity 1|C4X-18211|5323-50-2 https://www.jk-sci.com/products/s57c4x-18248 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f6b3e057bdf837b5530f7496bd9894c.jpg?v=1791713466 Cefcapene Impurity 8, 95.70% | 153012-37-4 Cefcapene Impurity 8|C4X-18248|153012-37-4 https://www.jk-sci.com/products/s57c4x-183013 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dd3f2fa6767db257dab9a4fd88550c0.jpg?v=1791713406 Lacosamide EP Impurity E(R-Isomer), 93.60% | 175481-39-7 Lacosamide EP Impurity E(R-Isomer)|C4X-183013|175481-39-7 https://www.jk-sci.com/products/s57c4x-18339 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33abf9ee0a4dc20683fdb1f31a812106.jpg?v=1791713345 Peramivir Impurity 9, 90.60% | 1352062-19-1 Peramivir Impurity 9|C4X-18339|1352062-19-1 https://www.jk-sci.com/products/s57c4x-18375 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e07ace0d081b00725850eaed1a5f4cc3.jpg?v=1791713284 Clemastine Impurity 5 Fumarate (S,R-isomer), 99.50% | 61826-32-2 Clemastine Impurity 5 Fumarate (S,R-isomer)|C4X-18375|61826-32-2 https://www.jk-sci.com/products/s57c4x-184028 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120432_0c3fcdec-e225-45f4-98d2-717e4314c6c6.png?v=1791713237 Epinastine Impurity 28, 99.20% | 532-55-8 Epinastine Impurity 28|C4X-184028|532-55-8 https://www.jk-sci.com/products/ts246cs-0080680 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e281fa5bcdf01d46b5105c310288f921.jpg?v=1791672634 2-Oxo-1,2-dihydroquinoline-6-sulfonyl chloride, 97% | 569340-07-4 2-Oxo-1,2-dihydroquinoline-6-sulfonyl chloride|CS-0080680|569340-07-4 https://www.jk-sci.com/products/s57c4x-184227 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5e9ce2548bf308f6b917ab06ebc2672.jpg?v=1791713205 Paclitaxel Impurity 27, 97.80% | 932042-85-8 Paclitaxel Impurity 27|C4X-184227|932042-85-8 https://www.jk-sci.com/products/s57c4x-18455 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332021_c3ce9761-aed0-447f-8bf3-28be8ba92ad4.png?v=1791713171 Neomycin Sulfate EP Impurity E, Purity: 100.0% | 1263-89-4 Neomycin Sulfate EP Impurity E|C4X-18455|1263-89-4 https://www.jk-sci.com/products/s57c4x-184945 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fcf4c6621bbb3bf916d8e069442074d.jpg?v=1791713133 Adrenaline EP Impurity D, 98.50% | 317351-40-9 Adrenaline EP Impurity D|C4X-184945|317351-40-9 https://www.jk-sci.com/products/s57c4x-185412 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21fb3703f7711049932d998fa8f05d81.jpg?v=1791713057 Arotinolol Impurity 12, Purity: 94.1% | 1365760-23-1 Arotinolol Impurity 12|C4X-185412|1365760-23-1 https://www.jk-sci.com/products/ts246cs-0081638 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34abcb0f64af9286192f985f8fc1472b.jpg?v=1791672403 6-Iodo-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine, 95+% | 1246088-42-5 6-Iodo-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine|CS-0081638|1246088-42-5 https://www.jk-sci.com/products/s57c4x-185014 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_135c4dd2-4e38-4266-b941-3af5e951a02c.png?v=1791713103 Atracurium Impurity 14, 95.80% Atracurium Impurity 14|C4X-185014 https://www.jk-sci.com/products/s57c4x-18553 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c81bf056904506ec6a1bd330cfe3591.jpg?v=1791713026 Aminophylline EP Impurity C, 99.50% | 7597-60-6 Aminophylline EP Impurity C|C4X-18553|7597-60-6 https://www.jk-sci.com/products/ts246cs-0083340 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322718.png?v=1791672151 1-(2-(Trifluoromethoxy)phenyl)thiourea, 98% | 175205-24-0 1-(2-(Trifluoromethoxy)phenyl)thiourea|CS-0083340|175205-24-0 https://www.jk-sci.com/products/ts246cs-0082469 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3f4149dc9b1e22aaf878e126efbddba.jpg?v=1791672247 S-Nitroso-N-acetyl-DL-penicillamine, 95.00%+ | 67776-06-1 S-Nitroso-N-acetyl-DL-penicillamine|CS-0082469|67776-06-1 https://www.jk-sci.com/products/s57c4x-18731 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606218_1ee88596-231b-4a33-9413-bef5ef786a77.png?v=1791712928 Vitamin B1 Monophosphate Chloride, 99.00% | 532-40-1 Vitamin B1 Monophosphate Chloride|C4X-18731|532-40-1 https://www.jk-sci.com/products/s57c4x-18587 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1e09c979ab8a1432f1bf4f16dfee6bf.jpg?v=1791712995 Trimebutine EP Impurity E HCl, 96.20% | 294882-33-0 Trimebutine EP Impurity E HCl|C4X-18587|294882-33-0 https://www.jk-sci.com/products/s57c4x-186233 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bece05440f1a9b63cfcae3e505341dd.jpg?v=1791712963 pGlu-His-L-Trp-Ser-Tyr-D-Trp-D-Leu-Arg-Pro-Gly-NH2, Purity: 100.0% | 321709-37-9 pGlu-His-L-Trp-Ser-Tyr-D-Trp-D-Leu-Arg-Pro-Gly-NH2|C4X-186233|321709-37-9 https://www.jk-sci.com/products/s57c4x-18735 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ec4f6ab2c27bbb76c9e97b55a15e597.jpg?v=1791712914 Thiamine Nitrate EP Impurity D, 96.00% | 490-82-4 Thiamine Nitrate EP Impurity D|C4X-18735|490-82-4 https://www.jk-sci.com/products/ts246cs-0083939 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a3e51d7-2654-4b37-91f5-bad4de077966.png?v=1791672064 RockPhos Pd G3, 98% | 2009020-38-4 RockPhos Pd G3|CS-0083939|2009020-38-4 https://www.jk-sci.com/products/s57c4x-187417 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350563_22e6ae88-8499-4ff5-94c8-f63d1e094ac9.png?v=1791712897 Cyanocobalamin /Vitamin B12 Impurity 17, Purity: 100.0% | 3171-45-7 Cyanocobalamin /Vitamin B12 Impurity 17|C4X-187417|3171-45-7 https://www.jk-sci.com/products/s57c4x-187747 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3ab0b7fb-820f-49c2-8381-371e027224cf.png?v=1791712850 Pyridoxine Impurity 19 DiHCl, 98.30% Pyridoxine Impurity 19 DiHCl|C4X-187747 https://www.jk-sci.com/products/s57c4x-18763 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430887_56c2c686-9017-4905-88af-e50bf33d13b8.png?v=1791712871 Sulpiride EP Impurity D, Purity: 99.0% | 22117-85-7 Sulpiride EP Impurity D|C4X-18763|22117-85-7 https://www.jk-sci.com/products/s57c4x-187515 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e949170a-3a22-4f13-8c66-323e96a8d539.png?v=1791712885 Tandospirone N-Oxide Impurity 12, Purity: 96.6% Tandospirone N-Oxide Impurity 12|C4X-187515 https://www.jk-sci.com/products/ts246cs-0084249 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d58edd0dcb1d9949c15082e489df09e4.jpg?v=1791671996 5-Ethyl-3-((pyrrolidin-3-ylmethoxy)methyl)-1,2,4-oxadiazole, 95% | 914299-45-9 5-Ethyl-3-((pyrrolidin-3-ylmethoxy)methyl)-1,2,4-oxadiazole|CS-0084249|914299-45-9 https://www.jk-sci.com/products/s57c4x-1878 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432039_6e3c58a9-50c1-47d0-957c-a290d99503dd.png?v=1791712830 Chlormezanone, 99.50% | 80-77-3 Chlormezanone|C4X-1878|80-77-3 https://www.jk-sci.com/products/ts246cs-0108418 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622886.png?v=1791662723 (S)-1-[(Rp)-2-[Bis(4-methoxy-3,5-dimethylphenyl) phosphino]ferrocenyl]ethyldi-o-tolylphosphine, 97% | 849924-52-3 (S)-1-[(Rp)-2-[Bis(4-methoxy-3,5-dimethylphenyl) phosphino]ferrocenyl]ethyldi-o-tolylphosphine|CS-0108418|849924-52-3 https://www.jk-sci.com/products/s57c4x-188412 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52a77efb-e08d-4fa7-b1b1-6e7d81bd5703.png?v=1791712818 Etomidate Impurity 12, 96.00% Etomidate Impurity 12|C4X-188412 https://www.jk-sci.com/products/ts246cs-0084380 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4edbae1e6a926428f92bb8b64f18fdf0.jpg?v=1791671937 6-Fluoroimidazo[1,2-a]pyridine-3-carboxylic acid, 95.00%+ | 1019021-85-2 6-Fluoroimidazo[1,2-a]pyridine-3-carboxylic acid|CS-0084380|1019021-85-2 https://www.jk-sci.com/products/s57c4x-189115 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433886_cdd21747-d9af-4d1b-8bb7-75414154a428.png?v=1791712781 Esmolol Impurity 15, 99.70% | 501-97-3 Esmolol Impurity 15|C4X-189115|501-97-3 https://www.jk-sci.com/products/ts246cs-0084583 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f88156502bc0ae9395de7890ec90110.jpg?v=1791671896 5-Chloropyrimidine-4-carboxylic acid, 98% | 64224-65-3 5-Chloropyrimidine-4-carboxylic acid|CS-0084583|64224-65-3 https://www.jk-sci.com/products/s57c4x-18918 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3b75d9476d410b8d48a38a761cb0272.jpg?v=1791712752 Esmolol Impurity 8, 92.20% | 81147-94-6 Esmolol Impurity 8|C4X-18918|81147-94-6 https://www.jk-sci.com/products/s57c4x-189411 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214911_33841537-7ef5-4658-b1cf-d7a85833ad57.png?v=1791712737 Ethambutol Impurity 11, Purity: 100.0% | 5856-63-3 Ethambutol Impurity 11|C4X-189411|5856-63-3 https://www.jk-sci.com/products/s57c4x-189134 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211544_2537ddea-1e11-4981-a28e-25a75999c477.png?v=1791712766 Esmolol Impurity 34, Purity: 98.3% | 7249-16-3 Esmolol Impurity 34|C4X-189134|7249-16-3 https://www.jk-sci.com/products/ts246cs-0084782 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418885_25bb0872-87f8-4b83-88a3-0559121232a8.png?v=1791671830 N-(4-Chloropyridin-2-yl)acetamide, 98% | 245056-66-0 N-(4-Chloropyridin-2-yl)acetamide|CS-0084782|245056-66-0 https://www.jk-sci.com/products/s57c4x-18952 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4682ee2f3d1693ee4602006c9b416c33.jpg?v=1791712721 Flupentixol EP Impurity A Enantiomer, 99.40% | 2340-57-0 Flupentixol EP Impurity A Enantiomer|C4X-18952|2340-57-0 https://www.jk-sci.com/products/ts246cs-0084847 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bb6323c43b3c8e745155d3fc2f5f4dd.jpg?v=1791671796 (S)-Butan-2-amine hydrochloride, 95% | 31519-50-3 (S)-Butan-2-amine hydrochloride|CS-0084847|31519-50-3 https://www.jk-sci.com/products/s57c4x-189919 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256373_18a0ff0d-24c2-460b-a801-3d4ba86ee3ec.png?v=1791712708 Benzylpenicillin Impurity 19, 94.30% | 4152-09-4 Benzylpenicillin Impurity 19|C4X-189919|4152-09-4 https://www.jk-sci.com/products/s57c4x-190210 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214204_c19e0abe-2c01-4316-a8ef-14d5dd954703.png?v=1791712697 Salicylic acid Impurity 10, 99.60% | 121-98-2 Salicylic acid Impurity 10|C4X-190210|121-98-2 https://www.jk-sci.com/products/s57c4x-190343 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/830101ad80f0ed747b3ab913be19fe2f_7cb75905-607c-4125-a5b6-9896a820b40e.jpg?v=1791712682 Lenalidomide Impurity 43, Purity: 98.9% | 1061604-41-8 Lenalidomide Impurity 43|C4X-190343|1061604-41-8 https://www.jk-sci.com/products/ts246cs-0084985 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bf262091f57cae3af510c74fbbc8f97.jpg?v=1793049075 Tris(2,2'-bipyrazine)ruthenium(II) hexafluorophosphate, 97% | 80907-56-8 Tris(2,2'-bipyrazine)ruthenium(II) hexafluorophosphate|CS-0084985|80907-56-8 https://www.jk-sci.com/products/s57c4x-190640 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d702e609-4497-4120-9b72-68c08df8eb6b.png?v=1791712667 Sugammadex Impurity 40, Purity: 99.4% Sugammadex Impurity 40|C4X-190640 https://www.jk-sci.com/products/s57c4x-19074 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564c01f5867aaf0964cf0fb55ea4526a.jpg?v=1791712658 Nicorandil EP Impurity B, 97.00% | 6265-73-2 Nicorandil EP Impurity B|C4X-19074|6265-73-2 https://www.jk-sci.com/products/s57c4x-190812 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1459c1797fc636f756013b52e14ceb47.jpg?v=1791712631 Dopamine Impurity 12 HCl, 97.70% | 101089-44-5 Dopamine Impurity 12 HCl|C4X-190812|101089-44-5 https://www.jk-sci.com/products/ts246cs-0085183 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153173.png?v=1791671672 Ethyl 2-iodobenzoate, 98% | 1829-28-3 Ethyl 2-iodobenzoate|CS-0085183|1829-28-3 https://www.jk-sci.com/products/s57c4x-190754 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60e25a24-a685-44fe-91ff-9a1bcd8a840e.png?v=1791712637 Nicorandil Impurity 53 Formate, 92.50% Nicorandil Impurity 53 Formate|C4X-190754 https://www.jk-sci.com/products/ts246cs-0085234 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11eaf23454ff8768d713af94f9759a32.jpg?v=1791671620 5-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one, 97% | 1221502-66-4 5-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0085234|1221502-66-4 https://www.jk-sci.com/products/s57c4x-190820 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8da64e9ff8912d829e914c9c77e5e901_a94979ce-ff5d-411d-a5e0-1d1983dfd790.jpg?v=1791712623 Dopamine Impurity 20, 90.30% | 138937-28-7 Dopamine Impurity 20|C4X-190820|138937-28-7 https://www.jk-sci.com/products/s57c4x-190826 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202760_f3560786-a244-4e2c-8a8f-af64377fd690.png?v=1791712617 Dopamine Impurity 26, 97.60% | 3131-52-0 Dopamine Impurity 26|C4X-190826|3131-52-0 https://www.jk-sci.com/products/ts246cs-0085282 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1f8d18e1ea86cfc19a4174db1b04336.jpg?v=1791671595 Methyl 2-fluoro-3-hydroxybenzoate, 96% | 1214324-64-7 Methyl 2-fluoro-3-hydroxybenzoate|CS-0085282|1214324-64-7 https://www.jk-sci.com/products/ts246cs-0085341 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308146_1f4488b5-b423-41f2-866b-925f4ffc3298.png?v=1791671541 1,3-Diisopropylimidazolium chloride, 96% | 139143-09-2 1,3-Diisopropylimidazolium chloride|CS-0085341|139143-09-2 https://www.jk-sci.com/products/ts246cs-0085354 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344044_3c601e08-d70c-4886-bed3-d70ce8aaaaec.png?v=1791671525 Methyl 5-chloro-1H-indazole-3-carboxylate, 98% | 1079-46-5 Methyl 5-chloro-1H-indazole-3-carboxylate|CS-0085354|1079-46-5 https://www.jk-sci.com/products/ts246cs-0085406 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/474717_1e1962aa-0ef4-4225-9a9e-7798ae243a7e.png?v=1791671500 Aluminum trifluoromethanesulfonate, 98% | 74974-61-1 Aluminum trifluoromethanesulfonate|CS-0085406|74974-61-1 https://www.jk-sci.com/products/ts246cs-0085593 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602300.png?v=1791671444 Cesiumacetate, 99% | 3396-11-0 Cesiumacetate|CS-0085593|3396-11-0 https://www.jk-sci.com/products/s57c4x-190829 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417299_09aabfb8-36ba-4826-badd-1a0966a2c746.png?v=1791712612 Dopamine Impurity 29, 88.70% | 15806-29-8 Dopamine Impurity 29|C4X-190829|15806-29-8 https://www.jk-sci.com/products/ts246cs-0085631 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128773_3e026959-debd-4cc6-b0b1-b96a3b031125.png?v=1791671428 Nickel(II) bromide, 99% | 13462-88-9 Nickel(II) bromide|CS-0085631|13462-88-9 https://www.jk-sci.com/products/ts246cs-0085698 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258126.png?v=1791671405 Diphenylpropylphosphine, 97% | 7650-84-2 Diphenylpropylphosphine|CS-0085698|7650-84-2 https://www.jk-sci.com/products/s57c4x-190850 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_779b910e-6d15-4dfd-8e4c-aacc6a6172fa.png?v=1791712600 Dopamine Impurity 50, 83.60% Dopamine Impurity 50|C4X-190850 https://www.jk-sci.com/products/ts246cs-0085730 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/445560_31df76b5-44bc-4f14-9587-197815fe31a4.png?v=1791671385 (R)-1-(2-Fluorophenyl)ethanol, 97.00%+ | 162427-79-4 (R)-1-(2-Fluorophenyl)ethanol|CS-0085730|162427-79-4 https://www.jk-sci.com/products/ts246cs-0085793 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317086_bda0274e-5263-43e1-bf04-148294c00ae1.png?v=1791671353 Bathocuproine disulfonate (disodium), 95.00%+ | 52698-84-7 Bathocuproine disulfonate (disodium)|CS-0085793|52698-84-7 https://www.jk-sci.com/products/ts246cs-0085908 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/962a47d14a15c442be3fc1915adedcfb.jpg?v=1791671323 Dimethyl 2, 2'-bipyridine-6, 6'-dicarboxylate, 96% | 142593-07-5 Dimethyl 2, 2'-bipyridine-6, 6'-dicarboxylate|CS-0085908|142593-07-5 https://www.jk-sci.com/products/ts246cs-0086023 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314724_29f4a23c-1fc9-408d-9bd9-7442459f85ce.png?v=1791671280 3-(Diphenylphosphino)benzenesulfonic acid sodium salt, 95% | 63995-75-5 3-(Diphenylphosphino)benzenesulfonic acid sodium salt|CS-0086023|63995-75-5 https://www.jk-sci.com/products/ts246cs-0086189 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399c0709f0e4db985df84b8daa64d217.jpg?v=1791671242 20-Hydroxyeicosanoic acid, 98% | 62643-46-3 20-Hydroxyeicosanoic acid|CS-0086189|62643-46-3 https://www.jk-sci.com/products/ts246cs-0086427 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273459_75033a4b-180e-460a-ba2a-0e5924ace4b5.png?v=1791671175 (5aR,10bS)-2-(pentafluorophenyl)-2,5a,6,10b-tetrahydro-4H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate, 95.00%+ | 872143-57-2 (5aR,10bS)-2-(pentafluorophenyl)-2,5a,6,10b-tetrahydro-4H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate|CS-0086427|872143-57-2 https://www.jk-sci.com/products/ts246cs-0086574 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378292.png?v=1793049009 (Chloromethyl)triethoxysilane, 96% | 15267-95-5 (Chloromethyl)triethoxysilane|CS-0086574|15267-95-5 https://www.jk-sci.com/products/s57c4x-190887 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a208de76-1810-4744-bd23-dcf3f29a31b2.png?v=1791712585 Dopamine Impurity 87 HCI, 95.10% Dopamine Impurity 87 HCI|C4X-190887 https://www.jk-sci.com/products/s57c4x-190874 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5d9770eeb2e78682f285ed448292084.jpg?v=1791712591 Dopamine Impurity 74 HCl, 98.00% | 35266-63-8 Dopamine Impurity 74 HCl|C4X-190874|35266-63-8 https://www.jk-sci.com/products/s57c4x-19121 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214290_e33baa29-c4b2-4496-b41d-d1b9dd6d8efe.png?v=1791712556 Articaine Impurity 1, 99.40% | 85006-31-1 Articaine Impurity 1|C4X-19121|85006-31-1 https://www.jk-sci.com/products/s57c4x-191126 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5a575f58-0971-4220-845a-ecaefa077dd6.png?v=1791712565 Carbetocin Impurity 26, 97.90% Carbetocin Impurity 26|C4X-191126 https://www.jk-sci.com/products/ts246cs-0086826 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9b54fcc9fa9c727ece009e1cf2dbf6c.jpg?v=1791671060 (4-Bromothiophen-3-yl)(piperidin-1-yl)methanone, 98% | 2022184-92-3 (4-Bromothiophen-3-yl)(piperidin-1-yl)methanone|CS-0086826|2022184-92-3 https://www.jk-sci.com/products/s57c4x-19114 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9cf08ffc-f6c8-4a28-b153-1f9fd6d4dd1c.png?v=1791712559 Carbetocin Impurity 4, 93.90% Carbetocin Impurity 4|C4X-19114 https://www.jk-sci.com/products/ts246cs-0086830 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b02b674af36c920fcba8802b28718f70.jpg?v=1791671054 5-Bromo-1,7-dimethyl-1H-indazole, 98% | 1092352-34-5 5-Bromo-1,7-dimethyl-1H-indazole|CS-0086830|1092352-34-5 https://www.jk-sci.com/products/ts246cs-0086852 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74f6ffaf462a420384aecccdcb8e1218.jpg?v=1791671032 1-(11bS)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylpyrrolidine, 97% | 627528-96-5 1-(11bS)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylpyrrolidine|CS-0086852|627528-96-5 https://www.jk-sci.com/products/s57c4x-19098 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/879458ba2866ad3548b9c5a6bb1e019a.jpg?v=1791712575 Sulfamethoxazole EP Impurity B, 98.40% | 135529-16-7 Sulfamethoxazole EP Impurity B|C4X-19098|135529-16-7 https://www.jk-sci.com/products/ts246cs-0086818 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30ac90ae1c14887e1c2c26321e52eb8a.jpg?v=1791671072 4-Bromo-N,N,2-trimethylbenzenesulfonamide, 97% | 880778-03-0 4-Bromo-N,N,2-trimethylbenzenesulfonamide|CS-0086818|880778-03-0 https://www.jk-sci.com/products/ts246cs-0086733 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327208.png?v=1791671112 N,N-Bis(diphenylphosphino)amine, 97% | 2960-37-4 N,N-Bis(diphenylphosphino)amine|CS-0086733|2960-37-4 https://www.jk-sci.com/products/ts246cs-0086814 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8110363cae0f6f2ffe1508d3ffaea8aa.jpg?v=1791671076 1-Allyl-2-(trifluoromethyl)-1H-benzo[d]imidazole,98% (stabilized with TBC), 98% (stabilized with TBC) | 139591-03-0 1-Allyl-2-(trifluoromethyl)-1H-benzo[d]imidazole,98% (stabilized with TBC)|CS-0086814|139591-03-0 https://www.jk-sci.com/products/ts246cs-0086798 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a0904571c342deee2448bec44303283.jpg?v=1791671087 (R)-3,3'-Bis(4-nitrophenyl)-[1,1'-binaphthalene]-2,2'-diol, 97% | 791616-60-9 (R)-3,3'-Bis(4-nitrophenyl)-[1,1'-binaphthalene]-2,2'-diol|CS-0086798|791616-60-9 https://www.jk-sci.com/products/ts246cs-0086823 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d850b38a8fa1028a297a6df94fbc5fb.jpg?v=1791671065 1-((4-Bromo-2-methylphenyl)sulfonyl)piperidine, 98% | 324059-00-9 1-((4-Bromo-2-methylphenyl)sulfonyl)piperidine|CS-0086823|324059-00-9 https://www.jk-sci.com/products/ts246cs-0086747 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11d38d96c71c81c6102e18b950579acf.jpg?v=1791671103 (S)-3,3'-Bis[3,5-bis(trifluoromethyl)phenyl]-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 1228600-99-4 (S)-3,3'-Bis[3,5-bis(trifluoromethyl)phenyl]-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0086747|1228600-99-4 https://www.jk-sci.com/products/ts246cs-0086651 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792139.png?v=1791671123 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine], 97.00%+ | 167709-31-1 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine]|CS-0086651|167709-31-1 https://www.jk-sci.com/products/ts246cs-0086894 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c750fc7bf892d24ff142a50a101fa01.jpg?v=1791671005 (4S,4'S)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole], 97% | 131833-90-4 (4S,4'S)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole]|CS-0086894|131833-90-4 https://www.jk-sci.com/products/ts246cs-0086870 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4965f64328342c543b12d607d938693b.jpg?v=1791671021 Tris(2-benzimidazolylmethyl)amine, 95% | 64019-57-4 Tris(2-benzimidazolylmethyl)amine|CS-0086870|64019-57-4 https://www.jk-sci.com/products/ts246cs-0086918 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc77b2cd639e0eb937571ec2206340b3.jpg?v=1791671000 (S)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 97.00%+ | 1121764-48-4 (S)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0086918|1121764-48-4 https://www.jk-sci.com/products/s57c4x-191217 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1941e2aaebe6e589e9d3076f3a025de.jpg?v=1791712547 Articaine impurity 17 HCl, Purity: 99.6% | 161449-05-4 Articaine impurity 17 HCl|C4X-191217|161449-05-4 https://www.jk-sci.com/products/s57c4x-19124 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_46cf05a8-9247-4936-9d2f-8f8117fda217.png?v=1791712538 Articaine EP Impurity C, 96.00% Articaine EP Impurity C|C4X-19124 https://www.jk-sci.com/products/ts246cs-0086981 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5f9016b09821c4a76c015127d587ee9.jpg?v=1791670970 LCS-1, 98.00%+ | 41931-13-9 LCS-1|CS-0086981|41931-13-9 https://www.jk-sci.com/products/ts246cs-0086923 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f70b93e4c45fd0f314f4bd01efd6e7c.jpg?v=1791670991 (R)-3,3'-Bis(1-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 97% | 1205537-79-6 (R)-3,3'-Bis(1-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0086923|1205537-79-6 https://www.jk-sci.com/products/ts246cs-0086941 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a39b12d8a1ae4dbc9c51ce988b8c2a2.jpg?v=1791670985 (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxal dehyde, 98% | 141779-46-6 (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxal dehyde|CS-0086941|141779-46-6 https://www.jk-sci.com/products/ts246cs-0087070 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee5b0b71d1df4febd11d34fee25d38aa.jpg?v=1793049004 (11bS)?-N,?N-?Bis[(S)?-?1-?phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 97% | 209482-27-9 (11bS)?-N,?N-?Bis[(S)?-?1-?phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087070|209482-27-9 https://www.jk-sci.com/products/s57c4x-191318 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360823_da7eabfc-659d-419d-9703-a75302a18d44.png?v=1791712518 Rasagiline Impurity 18, 92.60% | 34698-41-4 Rasagiline Impurity 18|C4X-191318|34698-41-4 https://www.jk-sci.com/products/s57c4x-19128 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c1ad20996b927eeb8528e3c40f1f872.jpg?v=1791712528 Articaine EP Impurity H HCl, 99.60% | 2602451-77-2 Articaine EP Impurity H HCl|C4X-19128|2602451-77-2 https://www.jk-sci.com/products/ts246cs-0087100 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349598.png?v=1791670950 N,N'-Bis(2-hydroxybenzyl)ethylenediamine, 96% | 18653-98-0 N,N'-Bis(2-hydroxybenzyl)ethylenediamine|CS-0087100|18653-98-0 https://www.jk-sci.com/products/ts246cs-0087218 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ced498dda86d7e312cdf513769b4883.jpg?v=1791670915 (R)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 618854-90-3 (R)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0087218|618854-90-3 https://www.jk-sci.com/products/s57c4x-191347 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/422523_01055b93-e873-4e02-ac5f-61a7870adc27.png?v=1791712507 Rasagiline Impurity 47, 95.50% | 61341-86-4 Rasagiline Impurity 47|C4X-191347|61341-86-4 https://www.jk-sci.com/products/s57c4x-191325 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccee8f718e5bd5a42f69f966fe8f0708.jpg?v=1791712512 (S)-Rasagiline Mesylate, 99.10% | 202464-88-8 (S)-Rasagiline Mesylate|C4X-191325|202464-88-8 https://www.jk-sci.com/products/ts246cs-0087236 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc77b2cd639e0eb937571ec2206340b3_29c447d1-0d5a-49b6-92e2-901a6f2f7e48.jpg?v=1791670909 (R)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 922711-77-1 (R)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0087236|922711-77-1 https://www.jk-sci.com/products/ts246cs-0087180 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ced498dda86d7e312cdf513769b4883_c7bc4d0f-6f26-4e8f-9aa2-d201ca1610f0.jpg?v=1791670925 (S)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 1402852-05-4 (S)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0087180|1402852-05-4 https://www.jk-sci.com/products/s57c4x-19166 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5d9cb2e-1f32-4cdf-a07c-a09a79da9a34.png?v=1791712486 Selegiline Impurity 6, 97.50% Selegiline Impurity 6|C4X-19166 https://www.jk-sci.com/products/ts246cs-0087339 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792135.png?v=1791670892 (R)-(6,6′-Dimethoxybiphenyl-2,2′-diyl)bis[bis(3,5-dimethylphenyl)phosphine], 97% | 394248-45-4 (R)-(6,6′-Dimethoxybiphenyl-2,2′-diyl)bis[bis(3,5-dimethylphenyl)phosphine]|CS-0087339|394248-45-4 https://www.jk-sci.com/products/s57c4x-19138 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470187_401dc6c1-eae4-46a3-a12d-0d6e0d20f426.png?v=1791712496 Rasagiline Impurity 8, 96.50% | 83-33-0 Rasagiline Impurity 8|C4X-19138|83-33-0 https://www.jk-sci.com/products/s57c4x-19171 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cadbe1b5b3bdcf533dd626e87b54ac13.jpg?v=1791712479 Fulvestrant EP Impurity A, 94.70% | 407577-53-1 Fulvestrant EP Impurity A|C4X-19171|407577-53-1 https://www.jk-sci.com/products/s57c4x-191912 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b60fe08fbe7173503ad93c377ef1f233_0bd91457-361e-4060-82ec-fa7fe9b1efae.jpg?v=1791712475 Methylprednisolone EP Impurity L, 99.60% | 6870-94-6 Methylprednisolone EP Impurity L|C4X-191912|6870-94-6 https://www.jk-sci.com/products/s57c4x-191921 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591ec7a5d55e20eb14227ffe3ef2ba41.jpg?v=1791712465 Methylprednisolone EP Impurity A, 98.10% | 91523-05-6 Methylprednisolone EP Impurity A|C4X-191921|91523-05-6 https://www.jk-sci.com/products/ts246cs-0087384 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af184e866d5f8fe88049aab0fbf2a238.jpg?v=1791670873 2-(2-Pyridyl)benzoxazole, 97% | 32959-62-9 2-(2-Pyridyl)benzoxazole|CS-0087384|32959-62-9 https://www.jk-sci.com/products/ts246cs-0087458 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd1af31c4c7ee1b3c0bbfba8a8593fa4.jpg?v=1791670867 9-[2-(Dicyclohexylphosphino)phenyl]-9H-carbazole, 97% | 1308652-64-3 9-[2-(Dicyclohexylphosphino)phenyl]-9H-carbazole|CS-0087458|1308652-64-3 https://www.jk-sci.com/products/ts246cs-0087657 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81ae779f95d37fe6de69d86e727751c6.jpg?v=1791670815 (R)-2,2'-Bis(diphenylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl, 98% | 1365531-75-4 (R)-2,2'-Bis(diphenylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl|CS-0087657|1365531-75-4 https://www.jk-sci.com/products/ts246cs-0087598 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dc5547e402fc38a1c72154dfc708af1.jpg?v=1791670820 (R)?-3,?3'-Bis([1,?1'-?biphenyl]?-?4-?yl)?-?5,?5',?6,?6',?7,?7',?8,?8'-?octahydro-[1,?1'-binaphthalene]?-?2,?2'-?diol, 98% | 878049-66-2 (R)?-3,?3'-Bis([1,?1'-?biphenyl]?-?4-?yl)?-?5,?5',?6,?6',?7,?7',?8,?8'-?octahydro-[1,?1'-binaphthalene]?-?2,?2'-?diol|CS-0087598|878049-66-2 https://www.jk-sci.com/products/ts246cs-0087726 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c94be95f27baf3c6c371007c46c280c7.jpg?v=1791670801 (11bR)-N,N,2,6-Tetramethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 95% | 864529-88-4 (11bR)-N,N,2,6-Tetramethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0087726|864529-88-4 https://www.jk-sci.com/products/s57c4x-19195 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8004161cbf256592a6904f39776da71.jpg?v=1791712445 Methylprednisolone Acetate EP Impurity D, 95.50% | 150899-33-5 Methylprednisolone Acetate EP Impurity D|C4X-19195|150899-33-5 https://www.jk-sci.com/products/s57c4x-191935 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b574bc259fd1fd6c6ecd25d1c2a291b.jpg?v=1791712456 Methylprednisolone EP Impurity F, 99.30% | 1625-39-4 Methylprednisolone EP Impurity F|C4X-191935|1625-39-4 https://www.jk-sci.com/products/s57c4x-191961 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238547_ff56eed6-d7f0-40d4-8c78-7fe0bbde9a92.png?v=1791712440 Methylprednisolone Hydrogen Succinate EP Impurity E, 98.80% | 2920-86-7 Methylprednisolone Hydrogen Succinate EP Impurity E|C4X-191961|2920-86-7 https://www.jk-sci.com/products/ts246cs-0087736 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495204.png?v=1791670799 (R,R)-BDPP, 98% | 96183-46-9 (R,R)-BDPP|CS-0087736|96183-46-9 https://www.jk-sci.com/products/ts246cs-0087865 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a2f90c004f2df25043d6c6ec0e212e6_3051c741-c279-497f-b841-34323321bb70.jpg?v=1791670774 (4S,4'S)-2,2'-Cyclopentylidenebis[4-tert-butyl-4,5-dihydrooxazole], 95% | 298693-03-5 (4S,4'S)-2,2'-Cyclopentylidenebis[4-tert-butyl-4,5-dihydrooxazole]|CS-0087865|298693-03-5 https://www.jk-sci.com/products/ts246cs-0087787 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259374.png?v=1791670790 N-Cyclopropyltetrahydro-2H-pyran-4-amine, 98% | 211814-16-3 N-Cyclopropyltetrahydro-2H-pyran-4-amine|CS-0087787|211814-16-3 https://www.jk-sci.com/products/s57c4x-19202 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2dff417d-9e41-4bb8-9afd-3cd5d31855f2.png?v=1791712435 Goserelin EP Impurity B Trifluoroacetic Acid, 83.70% Goserelin EP Impurity B Trifluoroacetic Acid|C4X-19202 https://www.jk-sci.com/products/ts246cs-0087897 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee6b7e0d4543c5754ba55a9130416b45.jpg?v=1791670763 Methyl 3-bromo-4-(trifluoromethoxy)benzoate, 98% | 1131594-45-0 Methyl 3-bromo-4-(trifluoromethoxy)benzoate|CS-0087897|1131594-45-0 https://www.jk-sci.com/products/s57c4x-192031 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cff6ad7f-be6d-4963-b75a-7c357f873cdc.png?v=1791712425 Goserelin BP Impurity 9 Trifluoroacetic Acid, 83.40% Goserelin BP Impurity 9 Trifluoroacetic Acid|C4X-192031 https://www.jk-sci.com/products/s57c4x-192038 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_379a98c2-e7de-4741-8012-34290ff52fc2.png?v=1791712416 Goserelin Impurity 38 Acetate, 94.20% Goserelin Impurity 38 Acetate|C4X-192038 https://www.jk-sci.com/products/ts246cs-0087920 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce82137e1a7d1c80209a87f3ae8a12cd.jpg?v=1791670751 (R)-tBu-iQuinox, 95% | 1402851-53-9 (R)-tBu-iQuinox|CS-0087920|1402851-53-9 https://www.jk-sci.com/products/s57c4x-192041 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c3276ca-502f-43f9-ac62-597bc141c322.png?v=1791712407 Goserelin Impurity 41 TFA Salt, 94.60% Goserelin Impurity 41 TFA Salt|C4X-192041 https://www.jk-sci.com/products/s57c4x-192045 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f260b8af-d0e3-48fd-a751-1911d9445f50.png?v=1791712402 Glu1-Goserelin Trifluoroacetate, 93.90% Glu1-Goserelin Trifluoroacetate|C4X-192045 https://www.jk-sci.com/products/ts246cs-0081055 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/356568_7ead0c38-d982-4e64-b6d2-2fc6db908482.png?v=1791672504 Methyl 6-hydroxy-5-iodonicotinate, 95% | 885950-46-9 Methyl 6-hydroxy-5-iodonicotinate|CS-0081055|885950-46-9 https://www.jk-sci.com/products/s57c4x-19214 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed2cdb26081ce0899cf6852d4075d7d4.jpg?v=1791712397 Dehydroepiandrosterone Sulfate, 90.0% | 651-48-9 Dehydroepiandrosterone Sulfate|C4X-19214|651-48-9 https://www.jk-sci.com/products/s57c4x-192310 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12a9ad6102315502e21404d2681a0dce.jpg?v=1791712387 Tetracaine Impurity 10, 99.50% | 65213-46-9 Tetracaine Impurity 10|C4X-192310|65213-46-9 https://www.jk-sci.com/products/ts246cs-0083103 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259002_87edd6d3-3df5-46b6-b5e2-8304ddcda030.png?v=1791672184 Aniline mustard, 98% | 553-27-5 Aniline mustard|CS-0083103|553-27-5 https://www.jk-sci.com/products/ts246cs-0084538 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77349ac2715a318abdbdc17fd2451adc.jpg?v=1791671918 (11bR)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 98.00%+ | 861909-53-7 (11bR)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin|CS-0084538|861909-53-7 https://www.jk-sci.com/products/s57c4x-19232 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147906_55dd88c1-32b2-41c1-b030-b46f507cffa0.png?v=1791712383 Tetracaine EP Impurity B, 98.80% | 4740-24-3 Tetracaine EP Impurity B|C4X-19232|4740-24-3 https://www.jk-sci.com/products/ts246cs-0083987 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/992cc1e61c5c929dc0139bc9e48ef41a.jpg?v=1791672049 5-(Pyridin-3-yl)oxazole-4-carboxylic acid, 95% | 1083224-10-5 5-(Pyridin-3-yl)oxazole-4-carboxylic acid|CS-0083987|1083224-10-5 https://www.jk-sci.com/products/s57c4x-192326 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b47cd582-0223-406b-8fa0-e92064c0f5aa.png?v=1791712373 Tetracaine Impurity 26 ·xHCl, 75.70% Tetracaine Impurity 26 ·xHCl|C4X-192326 https://www.jk-sci.com/products/ts246cs-0084816 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abf800bddbb21d14171abe04a4feb26f.jpg?v=1791671810 (R)-1-(4-(Trifluoromethoxy)phenyl)ethan-1-amine hydrochloride, 97% | 1208989-29-0 (R)-1-(4-(Trifluoromethoxy)phenyl)ethan-1-amine hydrochloride|CS-0084816|1208989-29-0 https://www.jk-sci.com/products/ts246cs-0085264 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8130ee0f6f85e8287e0fbaed04829a3.jpg?v=1791671605 3-(4-Fluorophenyl)isoxazol-5-amine, 98% | 81465-82-9 3-(4-Fluorophenyl)isoxazol-5-amine|CS-0085264|81465-82-9 https://www.jk-sci.com/products/ts246cs-0085147 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e09a6771113a60002bc879aa83e26db.jpg?v=1791671697 2,4-Dichlorobenzofuro[3,2-d]pyrimidine, 98% | 160199-95-1 2,4-Dichlorobenzofuro[3,2-d]pyrimidine|CS-0085147|160199-95-1 https://www.jk-sci.com/products/ts246cs-0085345 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d97d4b9bb1ed719ae2509638cdffb4b.jpg?v=1791671535 1,3-Diisopropylimidazolium tetrafluoroborate, 97% | 286014-34-4 1,3-Diisopropylimidazolium tetrafluoroborate|CS-0085345|286014-34-4 https://www.jk-sci.com/products/ts246cs-0085465 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd945b88dac9a95bd28aac69a37c62e3.jpg?v=1791671485 2-(1H-Imidazol-1-yl)ethan-1-amine hydrochloride, 98.00%+ | 154094-97-0 2-(1H-Imidazol-1-yl)ethan-1-amine hydrochloride|CS-0085465|154094-97-0 https://www.jk-sci.com/products/s57c4x-192411 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec960faa028a7034ceb703b083c9f36e.jpg?v=1791712359 Urapidil Impurity 11, 92.70% | 91453-03-1 Urapidil Impurity 11|C4X-192411|91453-03-1 https://www.jk-sci.com/products/ts246cs-0085695 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351892_fb4f4701-365c-40d5-ad59-ece0c5e79df3.png?v=1791671411 2,9-Dimethyl-1,10-phenanthroline hemihydrate, 98% | 34302-69-7 2,9-Dimethyl-1,10-phenanthroline hemihydrate|CS-0085695|34302-69-7 https://www.jk-sci.com/products/s57c4x-19236 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f564c462213b30132e0b9679bec069b2.jpg?v=1791712364 Tetracaine Impurity 6, 99.50% | 92726-05-1 Tetracaine Impurity 6|C4X-19236|92726-05-1 https://www.jk-sci.com/products/s57c4x-192421 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_418aca29-acd3-4734-97bb-6196866e182c.png?v=1791712353 Urapidil Impurity 21, 99.90% Urapidil Impurity 21|C4X-192421 https://www.jk-sci.com/products/ts246cs-0085776 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464742_169d198c-92a7-4368-86b2-1ebb1754e5a3.png?v=1791671363 Isopropyldiphenylphosphine, 97% | 6372-40-3 Isopropyldiphenylphosphine|CS-0085776|6372-40-3 https://www.jk-sci.com/products/s57c4x-192439 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a84862b05eb8a1637352a5deb2b58c58.jpg?v=1791712339 Urapidil Impurity 39, 92.20% | 2568071-92-9 Urapidil Impurity 39|C4X-192439|2568071-92-9 https://www.jk-sci.com/products/s57c4x-192433 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61d5859a5783bec361a9f981847743e4.jpg?v=1791712345 Urapidil Impurity 33, 97.90% | 39615-79-7 Urapidil Impurity 33|C4X-192433|39615-79-7 https://www.jk-sci.com/products/s57c4x-192441 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223581.png?v=1791712334 1-(2-Chlorophenyl)piperazine monohydrochloride, 93.40% | 41202-32-8 1-(2-Chlorophenyl)piperazine monohydrochloride|C4X-192441|41202-32-8 https://www.jk-sci.com/products/s57c4x-19246 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127134.png?v=1791712329 Urapidil Impurity 6, 99.10% | 769-42-6 Urapidil Impurity 6|C4X-19246|769-42-6 https://www.jk-sci.com/products/s57c4x-192468 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222be389e8b1bb94a6f20133f4177a3e.jpg?v=1791712328 Urapidil Impurity 68, 91.90% | 1703052-28-1 Urapidil Impurity 68|C4X-192468|1703052-28-1 https://www.jk-sci.com/products/ts246cs-0085991 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5e820c18-2d7f-432b-9eba-c850212690e6.png?v=1791671303 (S)-iPr-Ferrox, 95.00%+ | 162157-03-1 (S)-iPr-Ferrox|CS-0085991|162157-03-1 https://www.jk-sci.com/products/ts246cs-0086306 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8a26039a61635d9dfd146578183f0ce.jpg?v=1791671225 (E)-Prop-1-en-1-ylboronic acid, 97% | 7547-97-9 (E)-Prop-1-en-1-ylboronic acid|CS-0086306|7547-97-9 https://www.jk-sci.com/products/ts246cs-0086667 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b09d56553df8bca0a2fcaf687ab2d21a.jpg?v=1791671119 1,1'-(2,6-Pyridinediyl)bis(3-methylimidazolium) dibromide, 98% | 263874-05-1 1,1'-(2,6-Pyridinediyl)bis(3-methylimidazolium) dibromide|CS-0086667|263874-05-1 https://www.jk-sci.com/products/s57c4x-192471 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b01b8cb7-177e-4a9e-aaee-9c5e611f32b7.png?v=1791712319 Urapidil Impurity 71, Purity: 99.0% Urapidil Impurity 71|C4X-192471 https://www.jk-sci.com/products/ts246cs-0086549 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bf5386da123ec95e6fafbfc748f5fff_e98739b4-c011-4a38-95db-db1113b06c35.jpg?v=1791671140 (R)-2,2'-Bis(bromomethyl)-1,1'-binaphthalene, 97% | 86631-56-3 (R)-2,2'-Bis(bromomethyl)-1,1'-binaphthalene|CS-0086549|86631-56-3 https://www.jk-sci.com/products/ts246cs-0086763 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514ab18966542a8d5888052380078b56_6af8312d-bc1a-400b-baa4-fcf83ccbb6eb.jpg?v=1791671098 (R)-[2,3':1',1'':3'',2'''-Quaternaphthalene]-2',2''-diol, 98% | 215433-53-7 (R)-[2,3':1',1'':3'',2'''-Quaternaphthalene]-2',2''-diol|CS-0086763|215433-53-7 https://www.jk-sci.com/products/ts246cs-0086817 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de61c2eeea04b0dccbed43cb7db3fa0f.jpg?v=1791671072 (4-(Isopentyloxy)phenyl)boronic acid, 98% | 1198156-69-2 (4-(Isopentyloxy)phenyl)boronic acid|CS-0086817|1198156-69-2 https://www.jk-sci.com/products/s57c4x-19248 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac1fabac8a493838a1e4f252e7ea102a_ec57e6f3-4d3e-4466-9385-d3067a18bff5.jpg?v=1791712317 Urapidil Impurity 8, 99.60% | 5464-78-8 Urapidil Impurity 8|C4X-19248|5464-78-8 https://www.jk-sci.com/products/s57c4x-192497 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f8e02c57-7dbd-4560-876a-4f376d8e0472.png?v=1791712311 Urapidil Impurity 97, 100.00% Urapidil Impurity 97|C4X-192497 https://www.jk-sci.com/products/ts246cs-0086880 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31e258288e66a46a7e3a057fa02e69de.jpg?v=1791671021 (2-Cyanophenyl)diphenylphosphine, 96% | 34825-99-5 (2-Cyanophenyl)diphenylphosphine|CS-0086880|34825-99-5 https://www.jk-sci.com/products/ts246cs-0086837 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd9d1d56057f023eece432f1c050de4.jpg?v=1791671049 (R)-SYNPHOS, 97% | 445467-61-8 (R)-SYNPHOS|CS-0086837|445467-61-8 https://www.jk-sci.com/products/s57c4x-19252 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/799590b6bae043f8e4357cf8208780c9.jpg?v=1791712312 Travoprost 15-Keto Derivative, 99.00% | 404830-45-1 Travoprost 15-Keto Derivative|C4X-19252|404830-45-1 https://www.jk-sci.com/products/ts246cs-0086920 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ede45fa061aba20cb20fe7f513240092.jpg?v=1791670995 (2R,3R)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol), 97% | 114026-76-5 (2R,3R)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol)|CS-0086920|114026-76-5 https://www.jk-sci.com/products/s57c4x-19254 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fb65e4135572594d7cbce8d0a1ef29b.jpg?v=1791712307 Travoprost 15-EPi Diastereomer, 95.00% | 1420791-14-5 Travoprost 15-EPi Diastereomer|C4X-19254|1420791-14-5 https://www.jk-sci.com/products/ts246cs-0086974 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3562c65d1434698fd1510eeb89c05835.jpg?v=1791670976 (S)-5,?5',?6,?6',?7,?7',?8,?8'-?Octahydro-?3,?3'-?diphenyl-[1,?1'-?binaphthalene]?-?2,?2'-?diol, 98% | 575451-08-0 (S)-5,?5',?6,?6',?7,?7',?8,?8'-?Octahydro-?3,?3'-?diphenyl-[1,?1'-?binaphthalene]?-?2,?2'-?diol|CS-0086974|575451-08-0 https://www.jk-sci.com/products/s57c4x-192555 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150175.png?v=1791712302 Travoprost Impurity 55, 97.30% | 75-03-6 Travoprost Impurity 55|C4X-192555|75-03-6 https://www.jk-sci.com/products/s57c4x-19261 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275450_7b397d06-23bb-4ad0-ac05-2da633bb9eda.png?v=1791712301 Cefminox Impurity 1(Cefoperazone EP Impurity C/Cefamandole EP Impurity D), 99.90% | 13183-79-4 Cefminox Impurity 1(Cefoperazone EP Impurity C/Cefamandole EP Impurity D)|C4X-19261|13183-79-4 https://www.jk-sci.com/products/ts246cs-0087072 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bc74a547095b49109fdd742e3e3e1b2.jpg?v=1791670956 (11bR)?-N,?N-Diethyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 97% | 349103-24-8 (11bR)?-N,?N-Diethyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087072|349103-24-8 https://www.jk-sci.com/products/s57c4x-192714 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823133701e122df822c024913186c67d.jpg?v=1791712295 Rotigotine EP Impurity H HCl, Purity: 99.1% | 1232344-37-4 Rotigotine EP Impurity H HCl|C4X-192714|1232344-37-4 https://www.jk-sci.com/products/s57c4x-19281 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca20da661545982f7784c82679dc7fcb.jpg?v=1791712290 Mepivacaine N-Oxide, 99.20% | 1346597-75-8 Mepivacaine N-Oxide|C4X-19281|1346597-75-8 https://www.jk-sci.com/products/s57c4x-19296 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289292.png?v=1791712291 Mexiletine EP Impurity B, 87.00% | 53012-41-2 Mexiletine EP Impurity B|C4X-19296|53012-41-2 https://www.jk-sci.com/products/ts246cs-0087215 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d289f6786e586b027ad2936fd4544ed.jpg?v=1791670921 (S)?-3,?3'-Diiodo-?[1,?1'-binaphthalene]?-?2,?2'-?diol, 97% | 615247-86-4 (S)?-3,?3'-Diiodo-?[1,?1'-binaphthalene]?-?2,?2'-?diol|CS-0087215|615247-86-4 https://www.jk-sci.com/products/s57c4x-19302 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb5c5434a1466d2b0cc03cd294db3d44.jpg?v=1791712285 Tinidazole EP Impurity B, 99.50% | 25459-12-5 Tinidazole EP Impurity B|C4X-19302|25459-12-5 https://www.jk-sci.com/products/s57c4x-19303 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ed82db09876ff97935300423a5f4fc2.jpg?v=1791712276 Tinidazole Impurity 3, 98.00% | 28795-33-7 Tinidazole Impurity 3|C4X-19303|28795-33-7 https://www.jk-sci.com/products/s57c4x-193026 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_97c43521-1ec9-4e6e-922b-6b9d8bb77b32.png?v=1791712280 Tinidazole Impurity 26, Purity: 99.6% Tinidazole Impurity 26|C4X-193026 https://www.jk-sci.com/products/s57c4x-193113 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431881_bf6243d5-25e9-4310-a570-5ccb1aa588f4.png?v=1791712272 Doxycycline EP Impurity B（HCl）, 93.40% | 3963-95-9 Doxycycline EP Impurity B（HCl）|C4X-193113|3963-95-9 https://www.jk-sci.com/products/ts246cs-0087265 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817a832a4286413d114b5e40e92025a5.jpg?v=1791670903 (S)-BTFM-Garphos, 97% | 1365531-85-6 (S)-BTFM-Garphos|CS-0087265|1365531-85-6 https://www.jk-sci.com/products/s57c4x-19313 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8264d6dd3a4ea0744479b708e37236b6.jpg?v=1791712271 Doxycycline EP Impurity C, 91.40% | 6543-77-7 Doxycycline EP Impurity C|C4X-19313|6543-77-7 https://www.jk-sci.com/products/s57c4x-19316 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/730c091642a4bd438f8340978652d414.jpg?v=1791712267 Doxycycline EP Impurity F, 91.30% | 122861-53-4 Doxycycline EP Impurity F|C4X-19316|122861-53-4 https://www.jk-sci.com/products/s57c4x-193214 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220619.png?v=1791712261 Digoxin EP Impurity A, 95.90% | 71-63-6 Digoxin EP Impurity A|C4X-193214|71-63-6 https://www.jk-sci.com/products/ts246cs-0087403 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96025682ab8c19e5d36964e1300fe926.jpg?v=1791670867 N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine, 97.00%+ | 267431-79-8 N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine|CS-0087403|267431-79-8 https://www.jk-sci.com/products/ts246cs-0087729 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4dd87f98c0c3604a1c9ab6cba1402c4.jpg?v=1791670799 (11bR)?-N-?Methyl-?N-?[(S)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 95% | 874221-90-6 (11bR)?-N-?Methyl-?N-?[(S)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087729|874221-90-6 https://www.jk-sci.com/products/ts246cs-0087828 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c499bddb5a09c6acf623cf1f74571131.jpg?v=1791670785 9-[2-(Diphenylphosphino)phenyl]-9H-carbazole, 97% | 1308652-67-6 9-[2-(Diphenylphosphino)phenyl]-9H-carbazole|CS-0087828|1308652-67-6 https://www.jk-sci.com/products/s57c4x-193216 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fdb85ce4-be8a-49b3-a552-8923f080af3d.png?v=1791712257 Dihydrodigoxin (Mixture of Diastereomers), 93.30% Dihydrodigoxin (Mixture of Diastereomers)|C4X-193216 https://www.jk-sci.com/products/ts246cs-0087612 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f255173566aa64a205d2fddb11daf95.jpg?v=1791670817 (11bR)?-N-?Methyl-?N-?[(R)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 95% | 1021439-57-5 (11bR)?-N-?Methyl-?N-?[(R)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087612|1021439-57-5 https://www.jk-sci.com/products/s57c4x-19323 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396674.png?v=1791712256 Digoxin EP Impurity J, 98.30% | 5355-48-6 Digoxin EP Impurity J|C4X-19323|5355-48-6 https://www.jk-sci.com/products/ts246cs-0087911 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1cacc037cbfc307df343ed2a2e79ac3.jpg?v=1791670758 3-Methylquinolin-8-ol, 97% | 75457-13-5 3-Methylquinolin-8-ol|CS-0087911|75457-13-5 https://www.jk-sci.com/products/s57c4x-19341 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617653.png?v=1791712244 Prilocaine EP Impurity A, 99.30% | 19281-31-3 Prilocaine EP Impurity A|C4X-19341|19281-31-3 https://www.jk-sci.com/products/s57c4x-19332 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ddf5f69ce8f23e2e5ba1b2773496fe3.jpg?v=1791712247 Fluorometholone Impurity B, 96.90% | 83873-16-9 Fluorometholone Impurity B|C4X-19332|83873-16-9 https://www.jk-sci.com/products/s57c4x-19328 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/357491.png?v=1791712251 Digoxin EP Impurity H, 94.80% | 17575-22-3 Digoxin EP Impurity H|C4X-19328|17575-22-3 https://www.jk-sci.com/products/s57c4x-193419 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da387fd1a9e4fefecc2b59a86a31b29c.jpg?v=1791712242 Prilocaine Impurity 19, 97.90% | 677029-53-7 Prilocaine Impurity 19|C4X-193419|677029-53-7 https://www.jk-sci.com/products/ts246cs-0087979 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb137af0c09093f46b96af919779baab.jpg?v=1791670733 4-Methoxyfuro[3,2-c]pyridine, 98% | 63618-60-0 4-Methoxyfuro[3,2-c]pyridine|CS-0087979|63618-60-0 https://www.jk-sci.com/products/ts246cs-0088003 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebaa960e3615c1e6115df89a62b40de4.jpg?v=1791670724 6-Methoxy-2-methylquinoline-4-carboxylic acid, 97% | 78533-10-5 6-Methoxy-2-methylquinoline-4-carboxylic acid|CS-0088003|78533-10-5 https://www.jk-sci.com/products/ts246cs-0088010 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d922cdcce1f3d48916561df57af3851b.jpg?v=1791670723 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline, 99.93%+ | 50593-65-2 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline|CS-0088010|50593-65-2 https://www.jk-sci.com/products/s57c4x-193420 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8d5c9df58e19c1ab4c192ee9b4d05d4.jpg?v=1791712237 Prilocaine Impurity 20, 99.50% | 1072844-57-5 Prilocaine Impurity 20|C4X-193420|1072844-57-5 https://www.jk-sci.com/products/s57c4x-193427 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d2cd226d-8418-4724-92a0-658f17c49c21.png?v=1791712235 Prilocaine Impurity 27, 96.60% Prilocaine Impurity 27|C4X-193427 https://www.jk-sci.com/products/s57c4x-193429 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e9ee87d1-551d-4493-82ad-7d50793b2311.png?v=1791712231 Prilocaine Impurity 29, 97.20% Prilocaine Impurity 29|C4X-193429 https://www.jk-sci.com/products/s57c4x-193430 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b85b23d7-194f-4b52-950c-7a0a2771f383.png?v=1791712226 Prilocaine Impurity 30 HCl, 91.20% Prilocaine Impurity 30 HCl|C4X-193430 https://www.jk-sci.com/products/s57c4x-193438 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a986a790-425c-4e77-ae6e-849510ac25bd.png?v=1791712221 Prilocaine impurity 38, 93.30% | 2729898-89-7 Prilocaine impurity 38|C4X-193438|2729898-89-7 https://www.jk-sci.com/products/s57c4x-19345 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac884685634689149bf755ff63210764.jpg?v=1791712216 Prilocaine EP Impurity F HCl, 98.30% | 13327-14-5 Prilocaine EP Impurity F HCl|C4X-19345|13327-14-5 https://www.jk-sci.com/products/ts246cs-0088056 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339082.png?v=1791670707 2-Amino-2-(3,5-dichlorophenyl)ethan-1-ol, 97% | 372144-00-8 2-Amino-2-(3,5-dichlorophenyl)ethan-1-ol|CS-0088056|372144-00-8 https://www.jk-sci.com/products/s57c4x-193458 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8917156c-070b-4f12-a4fc-7c0bc75dfe62.png?v=1791712216 Prilocaine Impurity 58, 97.60% Prilocaine Impurity 58|C4X-193458 https://www.jk-sci.com/products/ts246cs-0088063 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dff787656a14eba46f609fe2775d7d7d.jpg?v=1791670703 1-(3-(Trifluoromethoxy)phenyl)ethanamine, 97% | 477312-25-7 1-(3-(Trifluoromethoxy)phenyl)ethanamine|CS-0088063|477312-25-7 https://www.jk-sci.com/products/s57c4x-19346 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35bd3ea5f0c0f0f28a7735c401463b71.jpg?v=1791712210 Prilocaine Impurity 6 (Lidocaine Impurity 16), 99.70% | 39084-88-3 Prilocaine Impurity 6 (Lidocaine Impurity 16)|C4X-19346|39084-88-3 https://www.jk-sci.com/products/s57c4x-19348 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60644c4f6c3d6385059f00d5886866b4.jpg?v=1791712207 Prilocaine Impurity 8 DiHCl, 92.50% | 13438-26-1 Prilocaine Impurity 8 DiHCl|C4X-19348|13438-26-1 https://www.jk-sci.com/products/ts246cs-0088124 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/894462.png?v=1791670667 Cinnolin-4-ol, 95% | 875-66-1 Cinnolin-4-ol|CS-0088124|875-66-1 https://www.jk-sci.com/products/ts246cs-0088107 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07f9f45b10cb8a795dcfd9adf243cfe6.jpg?v=1791670673 [1,2,4]Triazolo[4,3-a]pyridine, 98% | 274-80-6 [1,2,4]Triazolo[4,3-a]pyridine|CS-0088107|274-80-6 https://www.jk-sci.com/products/s57c4x-193534 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecd4c0a9cb411f70135f42dc146a89f7.jpg?v=1791712201 Vilanterol Impurity 34, Purity: 99.7% | 503070-64-2 Vilanterol Impurity 34|C4X-193534|503070-64-2 https://www.jk-sci.com/products/s57c4x-193516 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8807be5b-9358-40f7-9ffa-104b7954784b.png?v=1791712205 Vilanterol Impurity 16, 99.60% Vilanterol Impurity 16|C4X-193516 https://www.jk-sci.com/products/ts246cs-0088160 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1561629f475241478db1c791936b14d7.jpg?v=1791670639 3,8-Bis[3,5-bis(trifluoromethyl)phenyl]-1,10-phenanthroline, 97% | 1228032-35-6 3,8-Bis[3,5-bis(trifluoromethyl)phenyl]-1,10-phenanthroline|CS-0088160|1228032-35-6 https://www.jk-sci.com/products/s57c4x-193553 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3090f94f-3609-4ac0-843d-3527c6f7faf0.png?v=1791712198 Vilanterol-d4 Triphenylacetate, Purity: 99.4% Vilanterol-d4 Triphenylacetate|C4X-193553 https://www.jk-sci.com/products/s57c4x-193613 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141833.png?v=1791712196 Dequalinium Impurity 13, 99.20% | 634-38-8 Dequalinium Impurity 13|C4X-193613|634-38-8 https://www.jk-sci.com/products/ts246cs-0088257 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fda41830276a2c2eb846a5d921c93ffc.jpg?v=1791670619 8-Fluoro-2-methylquinoline, 98% | 46001-36-9 8-Fluoro-2-methylquinoline|CS-0088257|46001-36-9 https://www.jk-sci.com/products/s57c4x-193631 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d034f5c-9c94-4ef0-99dd-f4dd11f6e782.png?v=1791712191 Dequalinium EP Impurity B TFA, 91.30% Dequalinium EP Impurity B TFA|C4X-193631 https://www.jk-sci.com/products/ts246cs-0088295 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/641de02454f6b9a29762bd217205acfa.jpg?v=1791670596 (S)-Ph-Quinox, 97% | 1252576-13-8 (S)-Ph-Quinox|CS-0088295|1252576-13-8 https://www.jk-sci.com/products/ts246cs-0088316 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dd5e552483af3d48a1acf095dc65257.jpg?v=1791670578 (1-Phenylcyclopropyl)methanol, 98% | 31729-66-5 (1-Phenylcyclopropyl)methanol|CS-0088316|31729-66-5 https://www.jk-sci.com/products/s57c4x-19365 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288997.png?v=1791712191 Dequalinium Impurity 5, 96.80% | 51309-10-5 Dequalinium Impurity 5|C4X-19365|51309-10-5 https://www.jk-sci.com/products/ts246cs-0088412 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f1b1b0da917b3b798bea652a60a78dc.jpg?v=1791670542 CH2COOH-PEG3-CH2COOH, 97% | 32775-08-9 CH2COOH-PEG3-CH2COOH|CS-0088412|32775-08-9 https://www.jk-sci.com/products/ts246cs-0088394 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b94dfce5fd0f938cae651f7484be4374.jpg?v=1791670548 1-(4-(Trifluoromethyl)phenyl)cyclopropanecarbonitrile, 97% | 124276-61-5 1-(4-(Trifluoromethyl)phenyl)cyclopropanecarbonitrile|CS-0088394|124276-61-5 https://www.jk-sci.com/products/ts246cs-0088459 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af418dfd30c64bd76476d59b753f9bce.jpg?v=1791670530 2,3-Dihydro-1H-inden-5-amine, 98% | 24425-40-9 2,3-Dihydro-1H-inden-5-amine|CS-0088459|24425-40-9 https://www.jk-sci.com/products/ts246cs-0088492 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e65bfd8dd36689b56b9d8bf55b024528.jpg?v=1791670518 tert-Butyl 5-bromo-3-iodo-1H-indazole-1-carboxylate, 98% | 459133-68-7 tert-Butyl 5-bromo-3-iodo-1H-indazole-1-carboxylate|CS-0088492|459133-68-7 https://www.jk-sci.com/products/s57c4x-19375 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459915063f092d451aa02e2682271a80.jpg?v=1791712185 Daunorubicin EP Impurity E, 97.70% | 28008-51-7 Daunorubicin EP Impurity E|C4X-19375|28008-51-7 https://www.jk-sci.com/products/s57c4x-193811 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fc2ba85c-b268-419b-947a-a4e82b39f2be.png?v=1791712182 Pimavanserin Impurity 11, Purity: 100.0% Pimavanserin Impurity 11|C4X-193811 https://www.jk-sci.com/products/s57c4x-193818 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bc401389-d421-4def-b6cb-98de3982a34d.png?v=1791712180 Pimavanserin Impurity 18, 99.20% Pimavanserin Impurity 18|C4X-193818 https://www.jk-sci.com/products/ts246cs-0088571 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/176ddf4fa230030140cdd9da07c246bb.jpg?v=1791670473 2-(4-Methoxy-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97.00%+ | 214360-63-1 2-(4-Methoxy-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0088571|214360-63-1 https://www.jk-sci.com/products/s57c4x-193822 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2552010e-d0cf-42b0-909e-d76dae98c97c.png?v=1791712175 Pimavanserin Impurity 22, Purity: 97.8% Pimavanserin Impurity 22|C4X-193822 https://www.jk-sci.com/products/s57c4x-193824 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98f429801fc1f2106a9f3613ce66e354.jpg?v=1791712174 Pimavanserin Impurity 24, 99.30% | 5203-15-6 Pimavanserin Impurity 24|C4X-193824|5203-15-6 https://www.jk-sci.com/products/ts246cs-0088577 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/992a3166393f9c4d400a4ce23aeb671f.jpg?v=1791670472 (S)-1-Amino-8-(diphenylphosphino)-1,2,3,4-tetrahydronaphthalene, 97% | 1222630-45-6 (S)-1-Amino-8-(diphenylphosphino)-1,2,3,4-tetrahydronaphthalene|CS-0088577|1222630-45-6 https://www.jk-sci.com/products/ts246cs-0088535 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387108.png?v=1791670503 Methyl 2-(m-tolyl)acetate, 97.31%+ | 53088-69-0 Methyl 2-(m-tolyl)acetate|CS-0088535|53088-69-0 https://www.jk-sci.com/products/s57c4x-193829 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d92f1940fb662a3d2f7c266ec9940a07_e38ae7a9-6b7c-470f-afd3-ef5540b0ef4e.jpg?v=1791712169 Pimavanserin tartaric acid, 98.90% | 706782-28-7 Pimavanserin tartaric acid|C4X-193829|706782-28-7 https://www.jk-sci.com/products/s57c4x-193831 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238130_595af4a2-79cb-490d-bf61-85622d69d680.png?v=1791712167 Pimavanserin Impurity 31, Purity: 98.0% | 696-60-6 Pimavanserin Impurity 31|C4X-193831|696-60-6 https://www.jk-sci.com/products/ts246cs-0088766 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ec9d4ebe6c4d342738c46d0df728fff.jpg?v=1793048986 [Ru(bpm)3][Cl]2, 98% | 65034-88-0 [Ru(bpm)3][Cl]2|CS-0088766|65034-88-0 https://www.jk-sci.com/products/s57c4x-19386 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/674918f4f32bee519907684a4ba0db5e.jpg?v=1791712159 Pimavanserin Impurity 6, 97.50% | 359878-47-0 Pimavanserin Impurity 6|C4X-19386|359878-47-0 https://www.jk-sci.com/products/s57c4x-193852 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d765d9f1-5c3f-42ee-9229-14ce2db81096.png?v=1791712157 Pimavanserin Impurity 52, 94.50% Pimavanserin Impurity 52|C4X-193852 https://www.jk-sci.com/products/ts246cs-0088664 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/219012.png?v=1791670440 4-(2-Chloropyrimidin-4-yl)morpholine, 98% | 62968-37-0 4-(2-Chloropyrimidin-4-yl)morpholine|CS-0088664|62968-37-0 https://www.jk-sci.com/products/s57c4x-193848 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_48fdb161-2502-493b-9691-01424c707f00.png?v=1791712163 Pimavanserin Impurity 48, Purity: 99.4% Pimavanserin Impurity 48|C4X-193848 https://www.jk-sci.com/products/ts246cs-0088874 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2a87e307c61b081806b9505d48e1d46.jpg?v=1791670411 (8-Methylnaphthalen-1-yl)boronic acid, 97% | 948592-91-4 (8-Methylnaphthalen-1-yl)boronic acid|CS-0088874|948592-91-4 https://www.jk-sci.com/products/ts246cs-0088993 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549f2857b5acd7457b6ba63bfce1a09c.jpg?v=1791670383 5-Chlorothiazolo[5,4-b]pyridin-2-amine, 97.91%+ | 31784-71-1 5-Chlorothiazolo[5,4-b]pyridin-2-amine|CS-0088993|31784-71-1 https://www.jk-sci.com/products/s57c4x-193864 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6956e203-65be-4cde-adc1-1d789a61e76e.png?v=1791712151 Pimavanserin impurity 64, 95.40% Pimavanserin impurity 64|C4X-193864 https://www.jk-sci.com/products/s57c4x-19387 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_618bf415-7152-4c09-a6cc-52ee5238ab81.png?v=1791712150 Pimavanserin Impurity 7, 96.20% Pimavanserin Impurity 7|C4X-19387 https://www.jk-sci.com/products/s57c4x-1939 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279620.png?v=1791712147 Fenbufen, 99.60% | 36330-85-5 Fenbufen|C4X-1939|36330-85-5 https://www.jk-sci.com/products/ts246cs-0089039 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f02d2d0ce0f41706ea45a10c57a673e.jpg?v=1791670374 (3-Methylpyrazin-2-yl)methanamine hydrochloride, 96% | 1523618-20-3 (3-Methylpyrazin-2-yl)methanamine hydrochloride|CS-0089039|1523618-20-3 https://www.jk-sci.com/products/s57c4x-19412 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581195.png?v=1791712142 15-Keto Latanoprost, 98.60% | 135646-98-9 15-Keto Latanoprost|C4X-19412|135646-98-9 https://www.jk-sci.com/products/s57c4x-19415 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260118.png?v=1791712139 15(S)-Latanoprost, 99.40% | 145773-22-4 15(S)-Latanoprost|C4X-19415|145773-22-4 https://www.jk-sci.com/products/ts246cs-0089088 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a25a7d0df37937d613b3032f104bdea4.jpg?v=1791670358 Dimethyl [2,2'-bipyridine]-5,5'-dicarboxylate, 95% | 1762-45-4 Dimethyl [2,2'-bipyridine]-5,5'-dicarboxylate|CS-0089088|1762-45-4 https://www.jk-sci.com/products/ts246cs-0079059 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a6078e73d011f0e0477685ce2278945.jpg?v=1791672972 (S)-tert-Butyl 2-methylaziridine-1-carboxylate, 98% | 197020-60-3 (S)-tert-Butyl 2-methylaziridine-1-carboxylate|CS-0079059|197020-60-3 https://www.jk-sci.com/products/ts246cs-0089094 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e6bed0de3693e8f9fb3508ba14b984d.jpg?v=1791670353 Diethyl [2,2'-bipyridine]-6,6'-dicarboxylate, 98% | 65739-40-4 Diethyl [2,2'-bipyridine]-6,6'-dicarboxylate|CS-0089094|65739-40-4 https://www.jk-sci.com/products/ts246cs-0083822 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3892fdfed557265391e546c59dcb38e.jpg?v=1791672102 (S)-1-(5-Fluoro-2-methoxyphenyl)ethan-1-ol, 97% | 156597-64-7 (S)-1-(5-Fluoro-2-methoxyphenyl)ethan-1-ol|CS-0083822|156597-64-7 https://www.jk-sci.com/products/ts246cs-0084667 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42bcb2826e4f564b5671fafdc69bbd20.jpg?v=1793049081 Dichlorotris(1,10-phenanthroline)ruthenium(II) hydrate, 98% | 207802-45-7 Dichlorotris(1,10-phenanthroline)ruthenium(II) hydrate|CS-0084667|207802-45-7 https://www.jk-sci.com/products/ts246cs-0085215 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca51044ec8127291ada84b7071db811.jpg?v=1791671646 (1S,2S)-N,N-Bis[2-(diphenylphosphino)benzyl]cyclohexane-1,2-diamine, 95% | 174677-83-9 (1S,2S)-N,N-Bis[2-(diphenylphosphino)benzyl]cyclohexane-1,2-diamine|CS-0085215|174677-83-9 https://www.jk-sci.com/products/s57c4x-19422 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd71bc5985cefff65a021ff9b94d18c8.jpg?v=1791712136 Phenobarbital EP Impurity C, 98.50% | 76-94-8 Phenobarbital EP Impurity C|C4X-19422|76-94-8 https://www.jk-sci.com/products/ts246cs-0085370 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e34c94bc2e38d50b2bfc3aa203236a3.jpg?v=1791671518 tert-Butyl 5-bromo-3-methyl-1H-indazole-1-carboxylate, 95% | 552331-49-4 tert-Butyl 5-bromo-3-methyl-1H-indazole-1-carboxylate|CS-0085370|552331-49-4 https://www.jk-sci.com/products/ts246cs-0085711 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87f1d0c12b3d5e5adafa06d14eef1c35.jpg?v=1791671391 4,4'-Dichloro-2,2'-bipyridine, 97% | 1762-41-0 4,4'-Dichloro-2,2'-bipyridine|CS-0085711|1762-41-0 https://www.jk-sci.com/products/ts246cs-0086043 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514ec937a0b988355b73f01c99e1a271.jpg?v=1791671269 Dichloro[(±)?BINAP]digold(I), 95% | 685138-48-1 Dichloro[(±)?BINAP]digold(I)|CS-0086043|685138-48-1 https://www.jk-sci.com/products/s57c4x-194612 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/324039db12d2515434bb2bc5dcbb2d25.jpg?v=1791712127 Glucosamine sulfate Impurity 12, 99.80% | 17460-13-8 Glucosamine sulfate Impurity 12|C4X-194612|17460-13-8 https://www.jk-sci.com/products/s57c4x-19461 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387023_bb58efae-dce6-4cee-b5fb-ffeff7b9bc96.png?v=1791712129 Glucosamine Sulfate EP Impurity A, 99.50% | 7512-17-6 Glucosamine Sulfate EP Impurity A|C4X-19461|7512-17-6 https://www.jk-sci.com/products/s57c4x-194614 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557311.png?v=1791712123 Glucosamine sulfate Impurity 14, 99.50% | 290-37-9 Glucosamine sulfate Impurity 14|C4X-194614|290-37-9 https://www.jk-sci.com/products/s57c4x-19426 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323286e98f6f6e3c73c8b7e569accce1.jpg?v=1791712132 Phenobarbital Impurity6, Purity: 99.1% | 130690-55-0 Phenobarbital Impurity6|C4X-19426|130690-55-0 https://www.jk-sci.com/products/s57c4x-194616 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2ff7f91a10457272d42ae60276818ca.jpg?v=1791712119 Glucosamine Sulfate Sodium Chloride, 61.10% | 1296149-13-7 Glucosamine Sulfate Sodium Chloride|C4X-194616|1296149-13-7 https://www.jk-sci.com/products/ts246cs-0086637 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1561127_f76cf72d-46c6-4f94-babb-bc18dc6aae68.png?v=1791671123 (4S,4'S)-2,2'-Cyclopentylidenebis[4,5-dihydro-4-(phenylmethyl)oxazole], 95% | 1003886-05-2 (4S,4'S)-2,2'-Cyclopentylidenebis[4,5-dihydro-4-(phenylmethyl)oxazole]|CS-0086637|1003886-05-2 https://www.jk-sci.com/products/s57c4x-1948 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416442.png?v=1791712113 Methylergonovine Maleate, 99.50% | 57432-61-8 Methylergonovine Maleate|C4X-1948|57432-61-8 https://www.jk-sci.com/products/s57c4x-194624 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c3d3a385b4fc7827a3ef220ed18c1ca.jpg?v=1791712118 Glucosamine sulfate impurity 24, 97.00% | 6082-29-7 Glucosamine sulfate impurity 24|C4X-194624|6082-29-7 https://www.jk-sci.com/products/s57c4x-195111 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1204a7a2-a579-4146-8923-41c508a3ad4f.png?v=1791712107 Fluvoxamine Impurity 11, 91.40% Fluvoxamine Impurity 11|C4X-195111 https://www.jk-sci.com/products/ts246cs-0086805 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb53d9247cd4ee4a4167723b1132ad27.jpg?v=1791671086 5-Bromo-2-(piperidin-1-yl)-3-(trifluoromethyl)pyridine, 98% | 2151398-06-8 5-Bromo-2-(piperidin-1-yl)-3-(trifluoromethyl)pyridine|CS-0086805|2151398-06-8 https://www.jk-sci.com/products/s57c4x-195120 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d5368c1f82f4eff962a61e38047b0c1.jpg?v=1791712108 Fluvoxamine EP Impurity E, 92.30% | 1217214-94-2 Fluvoxamine EP Impurity E|C4X-195120|1217214-94-2 https://www.jk-sci.com/products/s57c4x-195122 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7b2daab-561a-444e-9849-eed5070f9d1e.png?v=1791712099 Fluvoxamine Maleate EP Impurity J, 96.20% Fluvoxamine Maleate EP Impurity J|C4X-195122 https://www.jk-sci.com/products/s57c4x-195125 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd800463bce6f0c47aca93fb12415daa.jpg?v=1791712100 Fluvoxamine maleate-Z-Isomers, 91.40% | 89035-92-7 Fluvoxamine maleate-Z-Isomers|C4X-195125|89035-92-7 https://www.jk-sci.com/products/ts246cs-0086828 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc4a81805607772e758c4ee9a88f934c.jpg?v=1791671059 4-Bromothiophene-3-carboxamide, 97% | 100245-61-2 4-Bromothiophene-3-carboxamide|CS-0086828|100245-61-2 https://www.jk-sci.com/products/s57c4x-195131 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c22d8c34-51bd-42f9-8798-1ba7ab79db25.png?v=1791712090 Fluvoxamine Impurity 31, 98.70% Fluvoxamine Impurity 31|C4X-195131 https://www.jk-sci.com/products/s57c4x-19515 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37a13c5097bf87a1b5079cdfa849cc6b.jpg?v=1791712089 Fluvoxamine EP Impurity J, Purity: 98.1% | 1217241-15-0 Fluvoxamine EP Impurity J|C4X-19515|1217241-15-0 https://www.jk-sci.com/products/ts246cs-0086911 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb77785e7e19d8597dfb83f7ad1bc690.jpg?v=1791671000 3-(Benzyloxy)-2-nitrophenol, 98% | 213685-59-7 3-(Benzyloxy)-2-nitrophenol|CS-0086911|213685-59-7 https://www.jk-sci.com/products/s57c4x-19517 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93a4d52e-6c53-4bed-a983-7f6f227d60fe.png?v=1791712085 Fluvoxamine EP Impurity A, 97.80% Fluvoxamine EP Impurity A|C4X-19517 https://www.jk-sci.com/products/s57c4x-19521 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b15552099f6d5151fd3ff0b37bd49274.jpg?v=1791712081 Diazoxide Impurity 1, Purity: 98.8% | 5800-59-9 Diazoxide Impurity 1|C4X-19521|5800-59-9 https://www.jk-sci.com/products/s57c4x-195511 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd47d85429f060a48d81a8c4ae669653.jpg?v=1791712077 Tolvaptan Impurity 11, 99.90% | 137977-97-0 Tolvaptan Impurity 11|C4X-195511|137977-97-0 https://www.jk-sci.com/products/s57c4x-16512 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/647b9440f312b443da4e17964b3d7201.jpg?v=1791715267 Fluvastatin EP Impurity B, 98.50% | 194934-96-8 Fluvastatin EP Impurity B|C4X-16512|194934-96-8 https://www.jk-sci.com/products/s57c4x-179253 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7bc399f4-a830-462e-97b1-4a3c46ef4221.png?v=1791713867 Indobufen Impurity 53, 97.00% Indobufen Impurity 53|C4X-179253 https://www.jk-sci.com/products/ts246cs-0087043 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570ee84050242098c6748f6dfc597597.jpg?v=1791670967 (R)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-bis[4-(trifluoromethyl)phenyl]-[1,1'-binaphthalene]-2,2'-diol, 98.00%+ | 791616-69-8 (R)​-5,​5',​6,​6',​7,​7',​8,​8'-​Octahydro-​3,​3'-​bis[4-​(trifluoromethyl)​phenyl]​-[1,​1'-​binaphthalene]​-​2,​2'-​diol|CS-0087043|791616-69-8 https://www.jk-sci.com/products/s57c4x-181436 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41d6306df08e31d20b416b6e9743d34.jpg?v=1791713588 Nintedanib Impurity 36, 98.70% | 1160293-27-5 Nintedanib Impurity 36|C4X-181436|1160293-27-5 https://www.jk-sci.com/products/ts246cs-0087220 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d16d939747c6243d9dfa52ff8abe10b0.jpg?v=1791670910 (R)-3,3'-Bis[4-(trifluoromethyl)phenyl]-[1,1'-binaphthalene]-2,2'-diol, 97.00%+ | 791616-58-5 (R)-3,3'-Bis[4-(trifluoromethyl)phenyl]-[1,1'-binaphthalene]-2,2'-diol|CS-0087220|791616-58-5 https://www.jk-sci.com/products/s57c4x-182648 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1af7f80e55a69b644496bb85995d9698.jpg?v=1791713443 Iguratimod Impurity 48, 99.10% | 123663-50-3 Iguratimod Impurity 48|C4X-182648|123663-50-3 https://www.jk-sci.com/products/s57c4x-183567 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2e121e95-685a-490d-bd6d-d3761f3f65dd.png?v=1791713308 N-nitroso hydroxychloroquine EP Impurity C, 86.00% N-nitroso hydroxychloroquine EP Impurity C|C4X-183567 https://www.jk-sci.com/products/s57c4x-190870 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00f543a90ef2d14166e798892fff3b2a_7d5cf179-6da7-482d-9988-9fc92ca55236.jpg?v=1791712596 Dopamine Impurity 70, 97.00% | 528594-30-1 Dopamine Impurity 70|C4X-190870|528594-30-1 https://www.jk-sci.com/products/s57c4x-189128 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fccc7767-486c-4cd0-84e4-8c19c84b9b0c.png?v=1791712776 Esmolol Impurity 28 DiHCl, 92.30% Esmolol Impurity 28 DiHCl|C4X-189128 https://www.jk-sci.com/products/s57c4x-18757 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f592bef-1e91-470d-933b-106138f69b23.png?v=1791712876 Tandospirone Impurity 7, 94.30% Tandospirone Impurity 7|C4X-18757 https://www.jk-sci.com/products/s57c4x-188428 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb5f126d4a842e7f4ee814995f0685c1.jpg?v=1791712811 Etomidate EP Impurity A, 99.10% | 7036-56-8 Etomidate EP Impurity A|C4X-188428|7036-56-8 https://www.jk-sci.com/products/s57c4x-184921 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143586_00df83c5-a140-47f4-bb96-dd284feb5a20.png?v=1791713156 Epinephrine Impurity 21, Purity: 97.2% | 16899-83-5 Epinephrine Impurity 21|C4X-184921|16899-83-5 https://www.jk-sci.com/products/ts246cs-0087539 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2dc5748c92095d106c20ea45b17cc261_8ad94b07-3001-47a7-ab0a-41f81a1fdba7.jpg?v=1791670841 (R)-iPr-iQuinox, 95% | 280755-83-1 (R)-iPr-iQuinox|CS-0087539|280755-83-1 https://www.jk-sci.com/products/ts246cs-0087976 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6197adfd4f1d92ab85def2ae893bc746.jpg?v=1791670737 3-Bromofuro[3,2-c]pyridine, 97% | 92404-70-1 3-Bromofuro[3,2-c]pyridine|CS-0087976|92404-70-1 https://www.jk-sci.com/products/s57c4x-190824 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/913916_96493e1c-c977-46fa-9b13-67cabb3cbe4a.png?v=1791712621 Dopamine Impurity 24, Purity: 98.1% | 1477-68-5 Dopamine Impurity 24|C4X-190824|1477-68-5 https://www.jk-sci.com/products/ts246cs-0088005 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ab26f3880bad05aabdae9ce14cc1581.jpg?v=1791670724 tert-Butyl 6-formyl-3,4-dihydroisoquinoline-2(1H)-carboxylate, 98% | 371222-37-6 tert-Butyl 6-formyl-3,4-dihydroisoquinoline-2(1H)-carboxylate|CS-0088005|371222-37-6 https://www.jk-sci.com/products/s57c4x-19073 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ea390eb2ae8fdb34889b5c4f6a64859.jpg?v=1791712664 Nicorandil EP Impurity C Nitrate, 94.20% | 88598-33-8 Nicorandil EP Impurity C Nitrate|C4X-19073|88598-33-8 https://www.jk-sci.com/products/s57c4x-18955 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f6aeed2e-a4b2-4570-8e82-a3b20ffc1c55.png?v=1791712715 Flupentixol EP Impurity E (E and Z Mixture) HCl, 82.60% Flupentixol EP Impurity E (E and Z Mixture) HCl|C4X-18955 https://www.jk-sci.com/products/s57c4x-18739 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aa28f65cba1e990ee2c1f6e87bb2164.jpg?v=1791712907 Thiamine nitrate EP Impurity F, 95.40% | 6309-04-2 Thiamine nitrate EP Impurity F|C4X-18739|6309-04-2 https://www.jk-sci.com/products/s57c4x-187758 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_409cc4ac-90a8-4895-b411-993b10651da6.png?v=1791712839 Pyridoxine Impurity 39 HCl, 93.70% Pyridoxine Impurity 39 HCl|C4X-187758 https://www.jk-sci.com/products/s57c4x-185815 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5b45ad06-62fd-4369-a297-2a4c6dfe59b3.png?v=1791713010 Trimebutine Impurity 15, 98.90% Trimebutine Impurity 15|C4X-185815 https://www.jk-sci.com/products/ts246cs-0088115 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0bc513f22ab86e522d7ecb6d3262709.jpg?v=1791670672 (R,R)-PINAP, 95.00%+ | 828927-97-5 (R,R)-PINAP|CS-0088115|828927-97-5 https://www.jk-sci.com/products/ts246cs-0087750 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63de9d36-f6e5-4fed-a160-378080a8de32.png?v=1791670796 (2,2'-Bipyridine)bis[2-(2,4-difluorophenyl)pyridine]iridium(III) hexafluorophosphate, 95% | 864163-80-4 (2,2'-Bipyridine)bis[2-(2,4-difluorophenyl)pyridine]iridium(III) hexafluorophosphate|CS-0087750|864163-80-4 https://www.jk-sci.com/products/s57c4x-184211 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c270484d5bcc07614846e07ac1dd454a.jpg?v=1791713219 Paclitaxel EP Impurity K, 99.60% | 148930-55-6 Paclitaxel EP Impurity K|C4X-184211|148930-55-6 https://www.jk-sci.com/products/ts246cs-0088061 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5892657c552b2954d4a763188f30efe.jpg?v=1791670702 4-Bromo-2-methoxy-1-(trifluoromethoxy)benzene, 97.71%+ | 672948-65-1 4-Bromo-2-methoxy-1-(trifluoromethoxy)benzene|CS-0088061|672948-65-1 https://www.jk-sci.com/products/s57c4x-185069 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e23de403c9a587b6c65c7c1ea0a1918.jpg?v=1791713078 (S)-Laudanosine, 99.10% | 2688-77-9 (S)-Laudanosine|C4X-185069|2688-77-9 https://www.jk-sci.com/products/s57c4x-19076 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ed02beed7403ecfbda8fa5f23f29c0.jpg?v=1791712636 Nicorandil N-Oxide, 99.00% | 107833-98-7 Nicorandil N-Oxide|C4X-19076|107833-98-7 https://www.jk-sci.com/products/s57c4x-189213 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f1ec50680ca70fc1e0e0a382124cda5.jpg?v=1791712747 Calcifediol Impurity 13, 92.50% | 22145-68-2 Calcifediol Impurity 13|C4X-189213|22145-68-2 https://www.jk-sci.com/products/s57c4x-190319 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ff7e4f8d-9a45-4f9a-954f-dfbaa1e961b7.png?v=1791712687 Lenalidomide Impurity 19, Purity: 96.5% Lenalidomide Impurity 19|C4X-190319 https://www.jk-sci.com/products/s57c4x-18643 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233548_c58ab97b-da30-4052-b4b7-ee598cd7d8ae.png?v=1791712946 Fosphenytoin Sodium, 99.00% | 92134-98-0 Fosphenytoin Sodium|C4X-18643|92134-98-0 https://www.jk-sci.com/products/s57c4x-19093 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487562_96590149-d923-40ae-8c26-15e63d116924.png?v=1791712576 Sulfamethoxazole EP Impurity C, 94.70% | 1072-67-9 Sulfamethoxazole EP Impurity C|C4X-19093|1072-67-9 https://www.jk-sci.com/products/s57c4x-19126 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_afc7036c-2018-4439-b7c6-ad3d7bd48e14.png?v=1791712533 Articaine EP Impurity E HCl, 99.80% Articaine EP Impurity E HCl|C4X-19126 https://www.jk-sci.com/products/ts246cs-0088305 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d07c4c7fa6fa7dd119af2a9bb0b5dd7.jpg?v=1791670589 1-(2-Fluorophenyl)cyclopropanecarbonitrile, 97% | 97009-38-6 1-(2-Fluorophenyl)cyclopropanecarbonitrile|CS-0088305|97009-38-6 https://www.jk-sci.com/products/s57c4x-191213 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa5c7d6e8704645469e324e848d6c6ae.jpg?v=1791712547 Articaine EP Impurity B, 97.80% | 114176-52-2 Articaine EP Impurity B|C4X-191213|114176-52-2 https://www.jk-sci.com/products/s57c4x-191130 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab1db957-ae8a-4197-b8ce-f510acfd732f.png?v=1791712564 β-Asp5-Carbetocin, 86.80% β-Asp5-Carbetocin|C4X-191130 https://www.jk-sci.com/products/s57c4x-191321 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1207f943edaf44adc88c7fb9ec3ab48.jpg?v=1791712518 Rasagiline Impurity 21 HCl, 93.20% | 1175018-80-0 Rasagiline Impurity 21 HCl|C4X-191321|1175018-80-0 https://www.jk-sci.com/products/ts246cs-0088404 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6a85efc86d850d53ec53b2aff481f12.jpg?v=1791670542 (11bR)-N-benzyl-N-methyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 95% | 1221902-06-2 (11bR)-N-benzyl-N-methyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0088404|1221902-06-2 https://www.jk-sci.com/products/s57c4x-19137 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201943_78fdbe8f-0b13-4e86-9a29-35ce4517f7d8.png?v=1791712497 Rasagiline Impurity 7, 99.10% | 6351-10-6 Rasagiline Impurity 7|C4X-19137|6351-10-6 https://www.jk-sci.com/products/s57c4x-19168 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cefe9ee3-4299-4389-aa27-e6c5b5c8fc94.png?v=1791712482 Selegiline Impurity 8, Purity: 99.9% Selegiline Impurity 8|C4X-19168 https://www.jk-sci.com/products/s57c4x-191915 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3a8f059112182515568ff7807140a4a.jpg?v=1791712471 Methylprednisolone Hydrogen Succinate EP Impurity B, 97.40% | 77074-42-1 Methylprednisolone Hydrogen Succinate EP Impurity B|C4X-191915|77074-42-1 https://www.jk-sci.com/products/s57c4x-191938 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d6d466a51bd88990854c53cb75cbac1.jpg?v=1791712450 Methylprednisolone Hydrogen Succinate EP Impurity D, 98.70% | 119657-85-1 Methylprednisolone Hydrogen Succinate EP Impurity D|C4X-191938|119657-85-1 https://www.jk-sci.com/products/s57c4x-192034 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7de2a7e7-99a3-4d30-a74e-b8d06f50c73a.png?v=1791712416 Goserelin BP Impurity 4 Acetate, 88.30% Goserelin BP Impurity 4 Acetate|C4X-192034 https://www.jk-sci.com/products/s57c4x-19201 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_371e9d5e-c3cf-4982-bc9b-920ff6f74daf.png?v=1791712434 Goserelin EP Impurity A Acetate, 92.30% Goserelin EP Impurity A Acetate|C4X-19201 https://www.jk-sci.com/products/ts246cs-0088468 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0068f648c55dc4c81244437de8eb2553.jpg?v=1791670529 6-Amino-2-chloro-3-fluorobenzoic acid, 95% | 681459-97-2 6-Amino-2-chloro-3-fluorobenzoic acid|CS-0088468|681459-97-2 https://www.jk-sci.com/products/s57c4x-192043 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a623c5d-7094-47c1-8e33-04873a698843.png?v=1791712406 Goserelin Impurity 43 TFA Salt, 84.50% Goserelin Impurity 43 TFA Salt|C4X-192043 https://www.jk-sci.com/products/ts246cs-0088553 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4607c735729d67f2623088343b986f.jpg?v=1791670487 1-Bromo-2-chloro-4-fluoro-5-nitrobenzene, 97% | 111010-08-3 1-Bromo-2-chloro-4-fluoro-5-nitrobenzene|CS-0088553|111010-08-3 https://www.jk-sci.com/products/s57c4x-192321 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64f95b2d-d170-468b-8b66-84b873adaeba.png?v=1791712373 Tetracaine Impurity 21, 98.60% Tetracaine Impurity 21|C4X-192321 https://www.jk-sci.com/products/s57c4x-19224 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377840_b37c6cc1-b694-4dcf-8573-f94152925f8c.png?v=1791712392 Estazolam Impurity 4, 99.80% | 4547-02-8 Estazolam Impurity 4|C4X-19224|4547-02-8 https://www.jk-sci.com/products/ts246cs-0088578 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553078a93350baf92620103f673bb4cf.jpg?v=1791670467 2-(4-Methoxy-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 96% | 214360-68-6 2-(4-Methoxy-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0088578|214360-68-6 https://www.jk-sci.com/products/s57c4x-19239 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5278132c34f2560a7feab9cf69cda5c4.jpg?v=1791712363 Tetracaine Impurity 9, 92.00% | 55750-02-2 Tetracaine Impurity 9|C4X-19239|55750-02-2 https://www.jk-sci.com/products/s57c4x-19243 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d176c24459ccf943c9d86f7640feea2f.jpg?v=1791712344 Urapidil Impurity 3, 99.00% | 34654-81-4 Urapidil Impurity 3|C4X-19243|34654-81-4 https://www.jk-sci.com/products/s57c4x-19244 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecbb8d9bf42401124c29b078ffa4201f.jpg?v=1791712334 Urapidil Impurity 4, 91.20% | 34661-79-5 Urapidil Impurity 4|C4X-19244|34661-79-5 https://www.jk-sci.com/products/ts246cs-0088724 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259ca873b00caa781962ffa1c3de7cc7.jpg?v=1791670435 Ethyl 3-(2,3-dichlorophenyl)-3-oxopropanoate, 97% | 672323-07-8 Ethyl 3-(2,3-dichlorophenyl)-3-oxopropanoate|CS-0088724|672323-07-8 https://www.jk-sci.com/products/ts246cs-0088912 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09785160129da5398593e2b170d4996a.jpg?v=1791670400 (S)-(6-Fluoro-1,2,3,4-tetrahydroisoquinolin-3-yl)methanol, 95% | 1389391-15-4 (S)-(6-Fluoro-1,2,3,4-tetrahydroisoquinolin-3-yl)methanol|CS-0088912|1389391-15-4 https://www.jk-sci.com/products/s57c4x-192473 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452951_9a7189fc-b759-4840-984b-a22912cb9235.png?v=1791712318 Urapidil Impurity 73, Purity: 98.5% | 21236-97-5 Urapidil Impurity 73|C4X-192473|21236-97-5 https://www.jk-sci.com/products/ts246cs-0089076 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4faf7ec7f8d8ab7ab16666343dd6cb3.jpg?v=1791670363 (3,5-Difluoro-4-methylphenyl)boronic acid, 97% | 1621332-09-9 (3,5-Difluoro-4-methylphenyl)boronic acid|CS-0089076|1621332-09-9 https://www.jk-sci.com/products/s57c4x-192542 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323150_765b52a1-b623-49c8-a96a-0e2911992eff.png?v=1791712307 Travoprost Related Compound A, 99.10% | 54276-17-4 Travoprost Related Compound A|C4X-192542|54276-17-4 https://www.jk-sci.com/products/s57c4x-1925 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278941_817108c4-e614-484d-83ba-dbc0f95f5874.png?v=1791712311 Travoprost, 96.90% | 157283-68-6 Travoprost|C4X-1925|157283-68-6 https://www.jk-sci.com/products/s57c4x-192466 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cdf45c829a1ed6d2912c5076daf4420.jpg?v=1791712329 Urapidil Impurity 66, 95.60% | 2219339-64-5 Urapidil Impurity 66|C4X-192466|2219339-64-5 https://www.jk-sci.com/products/ts246cs-0089194 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458346_a49e29f3-db7d-4441-9c77-c5666d9626aa.png?v=1791670326 Dopamine impurity 2, 97% | 39816-35-8 Dopamine impurity 2|CS-0089194|39816-35-8 https://www.jk-sci.com/products/ts246cs-0089305 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c533e85215663309a9dacae248d2851d.jpg?v=1793048955 4-Acetamido-5-chloro-2-methoxybenzoic acid, 95.00%+ | 24201-13-6 4-Acetamido-5-chloro-2-methoxybenzoic acid|CS-0089305|24201-13-6 https://www.jk-sci.com/products/ts246cs-0089323 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6279eda65377defc929d6cd3f676a91.jpg?v=1791670302 2-(4-Bromo-2-hydroxyphenyl)acetic acid, 96% | 1261497-72-6 2-(4-Bromo-2-hydroxyphenyl)acetic acid|CS-0089323|1261497-72-6 https://www.jk-sci.com/products/s57c4x-19304 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9774f4542bbb53adda116990998eddb.jpg?v=1791712276 Tinidazole Impurity 4, 98.70% | 13230-19-8 Tinidazole Impurity 4|C4X-19304|13230-19-8 https://www.jk-sci.com/products/s57c4x-192910 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb3663166e4843176ea0ab30c5567ef6.jpg?v=1791712290 Mexiletine EP Impurity D(Enantiomer Mixture), 90.20% | 26583-71-1 Mexiletine EP Impurity D(Enantiomer Mixture)|C4X-192910|26583-71-1 https://www.jk-sci.com/products/ts246cs-0089486 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157553.png?v=1791670264 Ethyl 2-((tert-butoxycarbonyl)amino)-2-oxoacetate, 97% | 216959-34-1 Ethyl 2-((tert-butoxycarbonyl)amino)-2-oxoacetate|CS-0089486|216959-34-1 https://www.jk-sci.com/products/s57c4x-1927 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2795175fc777d13a0733155f8bae3fc4.jpg?v=1791712296 Rotigotine, Purity: 99.8% | 99755-59-6 Rotigotine|C4X-1927|99755-59-6 https://www.jk-sci.com/products/s57c4x-193024 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c0cb0143-bdef-4da5-937e-28d93d570bdc.png?v=1791712281 Tinidazole Impurity 24, Purity: 92.0% Tinidazole Impurity 24|C4X-193024 https://www.jk-sci.com/products/s57c4x-19315 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529443_ce8c86a8-9bde-4439-a019-4db3fe6af229.png?v=1791712267 Doxycycline EP Impurity E, Purity: 88.4% | 79-57-2 Doxycycline EP Impurity E|C4X-19315|79-57-2 https://www.jk-sci.com/products/ts246cs-0089494 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322605.png?v=1791670259 2-(2,4-Dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 214360-69-7 2-(2,4-Dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0089494|214360-69-7 https://www.jk-sci.com/products/ts246cs-0089460 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587576.png?v=1791670279 5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride, 95% | 342405-38-3 5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride|CS-0089460|342405-38-3 https://www.jk-sci.com/products/s57c4x-193215 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308626_3cd792e0-2abe-4dc8-bf24-a51138ae069a.png?v=1791712261 Digoxin EP Impurity B, 95.70% | 4562-36-1 Digoxin EP Impurity B|C4X-193215|4562-36-1 https://www.jk-sci.com/products/ts246cs-0089649 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d541c4cd34383e00706e34520e997562.jpg?v=1791670235 1-Benzyl 4-(tert-butyl) (S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate, 98% | 2158302-00-0 1-Benzyl 4-(tert-butyl) (S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate|CS-0089649|2158302-00-0 https://www.jk-sci.com/products/s57c4x-19326 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223277_a56ceeff-bc42-4b73-94b5-17a86417cd8f.png?v=1791712252 Digoxin EP Impurity C, 93.20% | 1672-46-4 Digoxin EP Impurity C|C4X-19326|1672-46-4 https://www.jk-sci.com/products/ts246cs-0089677 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05db93241f44a528dafdfa82cb557f8f.jpg?v=1791670229 6-Bromo-1H-pyrrolo[3,2-b]pyridine-3-carbonitrile, 97% | 1260386-78-4 6-Bromo-1H-pyrrolo[3,2-b]pyridine-3-carbonitrile|CS-0089677|1260386-78-4 https://www.jk-sci.com/products/ts246cs-0089690 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98dc0edd92a1d932ad3266a59e6509af.jpg?v=1791670215 Ethyl 4-ethoxynicotinate, 96% | 33279-63-9 Ethyl 4-ethoxynicotinate|CS-0089690|33279-63-9 https://www.jk-sci.com/products/ts246cs-0089712 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d4b67a6aea5735bee2cbe5434e8e18a.jpg?v=1791670203 Ethyl 3-bromo-6-chloropicolinate, 98% | 1065074-97-6 Ethyl 3-bromo-6-chloropicolinate|CS-0089712|1065074-97-6 https://www.jk-sci.com/products/s57c4x-1934 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150119_7885d9e9-74b5-4635-ae97-fd5ee7ca67ff.png?v=1791712247 Prilocaine Hydrochloride, 98.90% | 1786-81-8 Prilocaine Hydrochloride|C4X-1934|1786-81-8 https://www.jk-sci.com/products/s57c4x-19342 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15cfd35b588f9497111a45bd5b638a5d.jpg?v=1791712240 Prilocaine EP Impurity C, 99.20% | 35891-75-9 Prilocaine EP Impurity C|C4X-19342|35891-75-9 https://www.jk-sci.com/products/s57c4x-193428 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_edab776d-fa8d-47e4-afd3-ba6a1bb6d0c4.png?v=1791712231 Prilocaine Impurity 28, 93.10% | 2815498-43-0 Prilocaine Impurity 28|C4X-193428|2815498-43-0 https://www.jk-sci.com/products/ts246cs-0089821 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47b836d58de5e20361f6bc2a73f7b4c6.jpg?v=1791670153 5-Bromo-3-methoxypicolinonitrile, 99.73%+ | 36057-46-2 5-Bromo-3-methoxypicolinonitrile|CS-0089821|36057-46-2 https://www.jk-sci.com/products/ts246cs-0089786 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8981fbedb85e697baed5c2949195f234.jpg?v=1791670170 5,6-Dimethoxypicolinonitrile, 97% | 1112851-50-9 5,6-Dimethoxypicolinonitrile|CS-0089786|1112851-50-9 https://www.jk-sci.com/products/ts246cs-0089736 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c079c70f9ac33db40dd00dc554786d7e.jpg?v=1791670193 (R)-1-(4-Bromophenyl)-2,2,2-trifluoroethan-1-amine, 99.33%+ | 843608-53-7 (R)-1-(4-Bromophenyl)-2,2,2-trifluoroethan-1-amine|CS-0089736|843608-53-7 https://www.jk-sci.com/products/s57c4x-193435 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4257066e-2c1f-47f6-92b0-45c78eb62680.png?v=1791712221 Prilocaine Impurity 35, 99.80% Prilocaine Impurity 35|C4X-193435 https://www.jk-sci.com/products/s57c4x-193521 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f30f6d78b8d0aa8ce61b838bac84a911.jpg?v=1791712202 Vilanterol Trifenatate, 97.20% | 503070-58-4 Vilanterol Trifenatate|C4X-193521|503070-58-4 https://www.jk-sci.com/products/s57c4x-19361 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264633_74077bcc-09b5-4547-84ea-0429db7a986b.png?v=1791712195 Dequalinium EP Impurity A, 91.40% | 6628-04-2 Dequalinium EP Impurity A|C4X-19361|6628-04-2 https://www.jk-sci.com/products/s57c4x-193457 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_91c12235-3c10-4da3-9e1e-5013383a76f5.png?v=1791712215 Prilocaine Impurity 57, 92.60% Prilocaine Impurity 57|C4X-193457 https://www.jk-sci.com/products/s57c4x-19347 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240771_79fba48d-bde1-4a40-8bf2-20ccf76704b0.png?v=1791712210 Prilocaine Impurity 7, 99.00% | 39106-10-0 Prilocaine Impurity 7|C4X-19347|39106-10-0 https://www.jk-sci.com/products/s57c4x-19379 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fbed8d5e87705b83623be07b40c3672.jpg?v=1791712185 13-Deoxydaunorubicin Trifluoroacetate, 96.80% | 65360-28-3 13-Deoxydaunorubicin Trifluoroacetate|C4X-19379|65360-28-3 https://www.jk-sci.com/products/s57c4x-19364 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289171_efa30682-c701-4d08-a2d2-8e88ad06e6f1.png?v=1791712190 Dequalinium Impurity 4, 99.20% | 16355-92-3 Dequalinium Impurity 4|C4X-19364|16355-92-3 https://www.jk-sci.com/products/ts246cs-0089812 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566554.png?v=1791670153 N-(3-Bromophenyl)acetamide, 98% | 621-38-5 N-(3-Bromophenyl)acetamide|CS-0089812|621-38-5 https://www.jk-sci.com/products/ts246cs-0089839 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142508.png?v=1791670149 5-Phenyloxazolidine-2,4-dione, 97.71%+ | 5841-63-4 5-Phenyloxazolidine-2,4-dione|CS-0089839|5841-63-4 https://www.jk-sci.com/products/s57c4x-193820 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e038eee08c7687db1e581981e25e8724_e304c4ae-a043-433c-a472-2bd6f81961dd.jpg?v=1791712178 Pimavanserin Impurity 20, 93.70% | 1134815-71-6 Pimavanserin Impurity 20|C4X-193820|1134815-71-6 https://www.jk-sci.com/products/ts246cs-0089858 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144431.png?v=1791670138 N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-benzyl-N-methyl-L-threonine, 95% | 198561-81-8 N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-benzyl-N-methyl-L-threonine|CS-0089858|198561-81-8 https://www.jk-sci.com/products/s57c4x-193825 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dd6b9a53-a040-41cb-8ef6-2d3797630c88.png?v=1791712171 Pimavanserin Impurity 25, Purity: 99.0% Pimavanserin Impurity 25|C4X-193825 https://www.jk-sci.com/products/ts246cs-0089917 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4eb851b3747a8b7e48e43c8a69e103e6.jpg?v=1791670107 2-Amino-2-(pyridin-2-yl)ethanol dihydrochloride, 98.00%+ | 1187930-63-7 2-Amino-2-(pyridin-2-yl)ethanol dihydrochloride|CS-0089917|1187930-63-7 https://www.jk-sci.com/products/ts246cs-0089867 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423329.png?v=1791670131 (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid, 95% | 221352-74-5 (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid|CS-0089867|221352-74-5 https://www.jk-sci.com/products/s57c4x-193835 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/300e924d926fadedbfcd1c2e17a04b29.jpg?v=1791712164 Pimavanserin Impurity 35, Purity: 99.9% | 1791227-69-4 Pimavanserin Impurity 35|C4X-193835|1791227-69-4 https://www.jk-sci.com/products/s57c4x-193854 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f963ba263bada365d0981724a9f041d.jpg?v=1791712159 Pimavanserin impurity 54, 85.30% | 4734-09-2 Pimavanserin impurity 54|C4X-193854|4734-09-2 https://www.jk-sci.com/products/s57c4x-19411 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239310_27d57022-ffde-4138-8ddb-9bc594c9fd1d.png?v=1791712145 Latanoprost Acid, 98.40% | 41639-83-2 Latanoprost Acid|C4X-19411|41639-83-2 https://www.jk-sci.com/products/s57c4x-193866 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a7d77d7-3ec1-49b0-a4bd-7b70d5ba4b30.png?v=1791712151 Pimavanserin impurity 66, 96.10% Pimavanserin impurity 66|C4X-193866 https://www.jk-sci.com/products/ts246cs-0089922 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51e3ecc7737f7edb1f6a6f9111929e15.jpg?v=1791670102 (S)-2-Amino-2-(4-fluorophenyl)ethanol hydrochloride, 97% | 1269773-21-8 (S)-2-Amino-2-(4-fluorophenyl)ethanol hydrochloride|CS-0089922|1269773-21-8 https://www.jk-sci.com/products/s57c4x-1943 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb42eefc9095834b46cea7c3ca77c5ab.jpg?v=1791712132 Olodaterol Hydrochloride, 99.80% | 869477-96-3 Olodaterol Hydrochloride|C4X-1943|869477-96-3 https://www.jk-sci.com/products/s57c4x-194613 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125390_0399cae9-3f21-4f83-8386-7f9e60984e7b.png?v=1791712124 Glucosamine sulfate Impurity 13, 98.70% | 1003-29-8 Glucosamine sulfate Impurity 13|C4X-194613|1003-29-8 https://www.jk-sci.com/products/s57c4x-19417 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19cf00273f00587f3ac65f54b02ace71.jpg?v=1791712137 5,6-trans-Latanoprost, 98.50% | 913258-34-1 5,6-trans-Latanoprost|C4X-19417|913258-34-1 https://www.jk-sci.com/products/ts246cs-0082365 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d518333807158d4a1b5321744d843a1e.jpg?v=1791672274 6-Iodo-2,3-dimethoxypyridine, 96% | 321535-23-3 6-Iodo-2,3-dimethoxypyridine|CS-0082365|321535-23-3 https://www.jk-sci.com/products/s57c4x-1951 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360854_814ebc13-4f6b-4ae8-a0a2-6436fa1fb337.png?v=1791712112 Fluvoxamine Maleate, 99.10% | 61718-82-9 Fluvoxamine Maleate|C4X-1951|61718-82-9 https://www.jk-sci.com/products/s57c4x-195121 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f52277bf-5320-4e4d-9c9a-0829f401614f.png?v=1791712103 Fluvoxamine EP Impurity F Dimaleate, 99.40% Fluvoxamine EP Impurity F Dimaleate|C4X-195121 https://www.jk-sci.com/products/s57c4x-194620 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1dd7105-cb30-48fb-9d33-0c4f1bdcf981.png?v=1791712118 Glucosamine sulfate impurity 20, 96.20% Glucosamine sulfate impurity 20|C4X-194620 https://www.jk-sci.com/products/ts246cs-0086465 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575476.png?v=1791671157 (S,S)-Me-DUPHOS, 97% | 136735-95-0 (S,S)-Me-DUPHOS|CS-0086465|136735-95-0 https://www.jk-sci.com/products/s57c4x-19516 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42806331c943632e97518f02dfcbeb7a.jpg?v=1791712086 Fluvoxamine EP Impurity G, 90.20% | 192876-02-1 Fluvoxamine EP Impurity G|C4X-19516|192876-02-1 https://www.jk-sci.com/products/s57c4x-195520 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdda1446678baef8a21d600b8c69e1c1.jpg?v=1791712071 Tolvaptan Impurity 20, Purity: 100.0% | 137982-91-3 Tolvaptan Impurity 20|C4X-195520|137982-91-3 https://www.jk-sci.com/products/ts246cs-0084902 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367103_1fe8795d-57df-431c-899f-cd0c7d639bb5.png?v=1791671759 3-Iodoimidazo[1,2-a]pyridine, 98% | 307503-19-1 3-Iodoimidazo[1,2-a]pyridine|CS-0084902|307503-19-1 https://www.jk-sci.com/products/s57c4x-19522 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1069ade588fa0b9ede6a2c3e9a1ee03.jpg?v=1791712080 Diazoxide Impurity 2, Purity: 99.3% | 54981-41-8 Diazoxide Impurity 2|C4X-19522|54981-41-8 https://www.jk-sci.com/products/s57c4x-195130 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dfe548bc-d568-4699-983d-605ef65b05ae.png?v=1791712094 Fluvoxamine Impurity 30, 93.20% Fluvoxamine Impurity 30|C4X-195130 https://www.jk-sci.com/products/ts246cs-0085621 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540822_c503425f-a849-43ab-b262-cfbe7882c8dc.png?v=1791671433 Silver p-toluenesulfonate, 97.92%+ | 16836-95-6 Silver p-toluenesulfonate|CS-0085621|16836-95-6 https://www.jk-sci.com/products/s57c4x-195518 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387511.png?v=1791712072 Tolvaptan Impurity 18, 98.00% | 2486-75-1 Tolvaptan Impurity 18|C4X-195518|2486-75-1 https://www.jk-sci.com/products/s57c4x-195523 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e4a89fecb0d3cabff3955e34f34e55a.jpg?v=1791712066 Tolvaptan Impurity 23, 90.50% | 1580889-33-3 Tolvaptan Impurity 23|C4X-195523|1580889-33-3 https://www.jk-sci.com/products/s57c4x-195528 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f74bb9a808bdca8c8b445386eca377a6.jpg?v=1791712060 Tolvaptan Impurity 28, 99.80% | 317374-08-6 Tolvaptan Impurity 28|C4X-195528|317374-08-6 https://www.jk-sci.com/products/ts246cs-0086820 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14993cc8fac6ac55f1de2decdd3f2ade.jpg?v=1791671072 4-((4-Bromo-2-methylphenyl)sulfonyl)morpholine, 98% | 313250-75-8 4-((4-Bromo-2-methylphenyl)sulfonyl)morpholine|CS-0086820|313250-75-8 https://www.jk-sci.com/products/s57c4x-195538 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383731.png?v=1791712054 Tolvaptan Impurity 38, Purity: 98.0% | 3951-89-1 Tolvaptan Impurity 38|C4X-195538|3951-89-1 https://www.jk-sci.com/products/s57c4x-195525 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d030aa49-2da1-4aee-934f-5a712f41fc22.png?v=1791712061 Tolvaptan Impurity 25, Purity: 99.8% Tolvaptan Impurity 25|C4X-195525 https://www.jk-sci.com/products/s57c4x-195544 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/650c480c7fbeb1c3511c609b28350b91.jpg?v=1791712053 Tolvaptan Impurity 44, Purity: 95.6% | 2458812-61-6 Tolvaptan Impurity 44|C4X-195544|2458812-61-6 https://www.jk-sci.com/products/ts246cs-0086939 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf8e15cdbe04464b9e1036e3995cf558.jpg?v=1791670989 (2S,3S)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol), 99.96%+ | 123287-35-4 (2S,3S)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol)|CS-0086939|123287-35-4 https://www.jk-sci.com/products/s57c4x-195551 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f025d69f-b167-4fb3-a784-df4b9704a59d.png?v=1791712043 Tolvaptan Impurity 51, 92.10% Tolvaptan Impurity 51|C4X-195551 https://www.jk-sci.com/products/s57c4x-195583 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/926fb794a15a8721dcb845faee447cf2.jpg?v=1791712035 Tolvaptan Impurity 83, 99.20% | 942619-79-6 Tolvaptan Impurity 83|C4X-195583|942619-79-6 https://www.jk-sci.com/products/s57c4x-195565 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_548ca5fd-11ee-42a7-a4e7-2091ac70fa21.png?v=1791712038 Tolvaptan Impurity 65, 77.30% Tolvaptan Impurity 65|C4X-195565 https://www.jk-sci.com/products/s57c4x-195811 2026-10-27T18:53:29-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/803a773b906f19f4589e8beb6c8605d9.jpg?v=1791712026 Hyoscine Butylbromide EP Impurity E, 96.20% | 14861-14-4 Hyoscine Butylbromide EP Impurity E|C4X-195811|14861-14-4