https://www.jk-sci.com/products/j5318878 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d715478c916aa0dbc7d6802dd9740832.jpg?v=1776338991 3-Bromo-4-oxo-piperidine-1-carboxylic acid tert-butyl ester | 188869-05-8 3-Bromo-4-oxo-piperidine-1-carboxylic acid tert-butyl ester|18878|188869-05-8 https://www.jk-sci.com/products/j5318890 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/203c4d1ab6363e126b9905f283c0e870.jpg?v=1776339030 3-Chloro-5-hydroxy-benzoic acid | 53984-36-4 3-Chloro-5-hydroxy-benzoic acid|18890|53984-36-4 https://www.jk-sci.com/products/ts246cs-0112915 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4f381016793fea59e7040da347c926.jpg?v=1776477011 4,6-Dichloro-2-methylnicotinic acid | 693286-31-6 4,6-Dichloro-2-methylnicotinic acid|CS-0112915|693286-31-6 https://www.jk-sci.com/products/ts246cs-0112924 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393166.png?v=1776477019 7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylic acid | 885281-30-1 7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylic acid|CS-0112924|885281-30-1 https://www.jk-sci.com/products/j5318913 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352c1a8b8d0c7ba5b7acc6a7238ac058.jpg?v=1776339071 3-Iodo-Imidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester | 292858-07-2 3-Iodo-Imidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester|18913|292858-07-2 https://www.jk-sci.com/products/j5318963 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30f899cf7a716c4795dd721ef134fc03.jpg?v=1776339119 4-(2'-N-Boc-hydrazino)benzoic acid | 96736-00-4 4-(2'-N-Boc-hydrazino)benzoic acid|18963|96736-00-4 https://www.jk-sci.com/products/ts246cs-0112940 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223568.png?v=1776477044 2-Phenyl-1H-imidazole-5-carbaldehyde | 68282-47-3 2-Phenyl-1H-imidazole-5-carbaldehyde|CS-0112940|68282-47-3 https://www.jk-sci.com/products/ts246cs-0112989 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205a40ee240419ccacfb27eac68a56ab.jpg?v=1776477067 Methyl 2-amino-3-hydroxy-2-methylpropanoate hydrochloride | 89500-37-8 Methyl 2-amino-3-hydroxy-2-methylpropanoate hydrochloride|CS-0112989|89500-37-8 https://www.jk-sci.com/products/j5319030 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ac8150d4c173bf99d569c607c3be7d1.jpg?v=1776339245 5-(2-Bromophenyl)-2H-tetrazole | 73096-42-1 5-(2-Bromophenyl)-2H-tetrazole|19030|73096-42-1 https://www.jk-sci.com/products/j5318990 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9199e7ee31d7265d26ead9a60b116825.jpg?v=1776339172 2-Amino-4-(chloromethyl)thiazole hydrochloride | 59608-97-8 2-Amino-4-(chloromethyl)thiazole hydrochloride|18990|59608-97-8 https://www.jk-sci.com/products/ts246cs-0113010 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae3b95b08dc2580066daf2b934ae66e7.jpg?v=1776477078 3,5-Dichloro-1-methylpyrazin-2(1H)-one | 87486-33-7 3,5-Dichloro-1-methylpyrazin-2(1H)-one|CS-0113010|87486-33-7 https://www.jk-sci.com/products/j5319085 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217eb663209a43825585883b16aad84d.jpg?v=1776339317 5-Bromo-1,3-dihydro-benzimidazol-2-one | 39513-26-3 5-Bromo-1,3-dihydro-benzimidazol-2-one|19085|39513-26-3 https://www.jk-sci.com/products/ts246cs-0113029 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201445.png?v=1776477092 (2-Fluoro-3-methylphenyl)boronic acid | 762287-58-1 (2-Fluoro-3-methylphenyl)boronic acid|CS-0113029|762287-58-1 https://www.jk-sci.com/products/j5319111 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84526f897f0f717f9e8bbf41cf0cfec9.jpg?v=1776339395 5-Chloro-pyridine-2-sulfonyl chloride hydrochloride | 1220039-85-9 5-Chloro-pyridine-2-sulfonyl chloride hydrochloride|19111|1220039-85-9 https://www.jk-sci.com/products/ts246cs-0113039 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214298.png?v=1776477098 6-Chloro-2-methylquinoline | 92-46-6 6-Chloro-2-methylquinoline|CS-0113039|92-46-6 https://www.jk-sci.com/products/ts246cs-0113099 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217790.png?v=1776477161 (R)-3-Amino-3-(4-methoxyphenyl)propanoic acid | 131690-57-8 (R)-3-Amino-3-(4-methoxyphenyl)propanoic acid|CS-0113099|131690-57-8 https://www.jk-sci.com/products/j5319123 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75d1923903d7f992c063c56831ed8bb6.jpg?v=1776339426 5-Methoxy-1H-indole-3-carboxylic acid methyl ester | 172595-68-5 5-Methoxy-1H-indole-3-carboxylic acid methyl ester|19123|172595-68-5 https://www.jk-sci.com/products/j5319139 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e096562cd870a5b0487b4edb80a7b94.jpg?v=1776339467 5-Nitro-1H-indazole-7-carboxylic acid methyl ester | 632291-85-1 5-Nitro-1H-indazole-7-carboxylic acid methyl ester|19139|632291-85-1 https://www.jk-sci.com/products/ts246cs-0113173 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bb4bef0591e28f9250d978c6f52ca43.jpg?v=1776477189 2-Methylpyrazolo[1,5-a]pyrazin-4(5H)-one | 1314920-48-3 2-Methylpyrazolo[1,5-a]pyrazin-4(5H)-one|CS-0113173|1314920-48-3 https://www.jk-sci.com/products/ts246cs-0113214 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/663eb2e9ca62662a7c8c8cbf36d6d8d2.jpg?v=1776477197 Bis-propargyl-PEG3 | 126422-58-0 Bis-propargyl-PEG3|CS-0113214|126422-58-0 https://www.jk-sci.com/products/ts246cs-0113333 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96d812f0e211d08151e26e4ce104bdff.jpg?v=1776477227 Aprepitant impurity 1 | 170729-76-7 Aprepitant impurity 1|CS-0113333|170729-76-7 https://www.jk-sci.com/products/ts246cs-0113361 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf8ebcf4efb3d1e7cdf990e67050f337.jpg?v=1776477251 Mal-PEG6-Boc | 518044-37-6 Mal-PEG6-Boc|CS-0113361|518044-37-6 https://www.jk-sci.com/products/ts246cs-0108660 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad10691b-7ca8-46de-a578-8f455c6beb48.png?v=1776474982 (S)-1-{(RP)-2-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]ferrocenyl}ethyldi(3,5-xylyl)phosphine | 1272317-38-0 (S)-1-{(RP)-2-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]ferrocenyl}ethyldi(3,5-xylyl)phosphine|CS-0108660|1272317-38-0 https://www.jk-sci.com/products/ts246cs-0110372 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29bd51c4db542332746801d0f9270fa5.jpg?v=1776475753 1,2-Diphenyl-1,2-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethene | 2095541-89-0 1,2-Diphenyl-1,2-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethene|CS-0110372|2095541-89-0 https://www.jk-sci.com/products/ts246cs-0110698 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6416e8e1c7330ce3f45e02e0608f3ca1.jpg?v=1776476009 2,3,4,5,6-Pentaiodobenzoic acid | 64385-02-0 2,3,4,5,6-Pentaiodobenzoic acid|CS-0110698|64385-02-0 https://www.jk-sci.com/products/ts246cs-0110912 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332966_6ebb72cc-86bb-4eba-8914-f73b81ef6c5e.png?v=1776476205 4-(1H-Imidazol-1-yl)benzoic acid | 17616-04-5 4-(1H-Imidazol-1-yl)benzoic acid|CS-0110912|17616-04-5 https://www.jk-sci.com/products/j5319168 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd13695df53e6a443abf5da3101df160.jpg?v=1776339505 6-Amino-pyridazine-3-carboxylic acid | 59772-58-6 6-Amino-pyridazine-3-carboxylic acid|19168|59772-58-6 https://www.jk-sci.com/products/ts246cs-0111100 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f8dac88a4ef5b6e097110c036f0742a.jpg?v=1776476329 Pyridine-2,4,6-tricarboxylic acid | 536-20-9 Pyridine-2,4,6-tricarboxylic acid|CS-0111100|536-20-9 https://www.jk-sci.com/products/ts246cs-0111392 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617716_c92e0c33-635a-48f7-ba45-c25ee02a7fe3.png?v=1776476470 Levetiracetam impurity 1 | 102849-49-0 Levetiracetam impurity 1|CS-0111392|102849-49-0 https://www.jk-sci.com/products/ts246cs-0111946 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/545433_96fbc2f1-b6e3-43c6-a28c-f5d45e8c21bf.png?v=1776476603 (3-Fluoro-2-hydroxyphenyl)boronic acid | 259209-24-0 (3-Fluoro-2-hydroxyphenyl)boronic acid|CS-0111946|259209-24-0 https://www.jk-sci.com/products/ts246cs-0112247 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74ba4b2dd629f9957c8149b6ef94deb3.jpg?v=1776476680 2-(3,5-Di-tert-butylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 1071924-13-4 2-(3,5-Di-tert-butylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0112247|1071924-13-4 https://www.jk-sci.com/products/s57c4x-225613 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b653fc47-49a0-4942-a01a-fba0db1e4b1c.png?v=1774664960 Chlorhexidine EP Impurity H Chlorhexidine EP Impurity H|C4X-225613 https://www.jk-sci.com/products/ts246cs-0112429 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3acfb00a6f922bd35158c3cd372eb4bb.jpg?v=1776476773 2-(Piperidin-4-yl)ethan-1-ol hydrochloride | 90747-17-4 2-(Piperidin-4-yl)ethan-1-ol hydrochloride|CS-0112429|90747-17-4 https://www.jk-sci.com/products/s57c4x-225617 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c74a9623-3a6e-49be-b4e6-32ec28c93796.png?v=1774669022 Chlorhexidine EP Impurity K HCI Chlorhexidine EP Impurity K HCI|C4X-225617 https://www.jk-sci.com/products/j5319176 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1acd362614de2bffeadf959048f6e52b.jpg?v=1776339517 6-Bromo-1-chloro-isoquinoline | 205055-63-6 6-Bromo-1-chloro-isoquinoline|19176|205055-63-6 https://www.jk-sci.com/products/ts246cs-0112643 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/761884705e80a6eab704a98ec202ee6d.jpg?v=1776476857 (3aR,6aR)-1-Methyloctahydropyrrolo[3,4-b]pyrrole | 1353644-77-5 (3aR,6aR)-1-Methyloctahydropyrrolo[3,4-b]pyrrole|CS-0112643|1353644-77-5 https://www.jk-sci.com/products/s57c4x-225711 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6cdaa3bf-249d-4015-8837-bf037cf153d7.png?v=1774733380 Gadoteridol Related Compound C TFAsalt Gadoteridol Related Compound C TFAsalt|C4X-225711 https://www.jk-sci.com/products/ts246cs-0112748 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317965.png?v=1776476911 3-Methyl-5-(trifluoromethyl)-1H-1,2,4-triazole | 667873-25-8 3-Methyl-5-(trifluoromethyl)-1H-1,2,4-triazole|CS-0112748|667873-25-8 https://www.jk-sci.com/products/s57c4x-22568 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d086f611-b56c-4d0c-abae-c22392e13b16.png?v=1775155210 Chlorhexidine EP Impurity A Hydrochloride Chlorhexidine EP Impurity A Hydrochloride|C4X-22568 https://www.jk-sci.com/products/ts246cs-0112822 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fc33cbd008ae3d37578b2be57cd76c9.jpg?v=1776476951 tert-Butyl 4-(6-aminopyridin-3-yl)piperidine-1-carboxylate | 1198408-35-3 tert-Butyl 4-(6-aminopyridin-3-yl)piperidine-1-carboxylate|CS-0112822|1198408-35-3 https://www.jk-sci.com/products/s57c4x-225713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57e294945682983b7548c8e380772b29.jpg?v=1776417408 Gadoteridol Impurity 13 | 192329-72-9 Gadoteridol Impurity 13|C4X-225713|192329-72-9 https://www.jk-sci.com/products/j5319195 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b41cac038aed49f9e122219cc085b2a3.jpg?v=1776339550 6-Chloro-1,2,3,4-tetrahydroisoquinoline hydrochloride | 33537-97-2 6-Chloro-1,2,3,4-tetrahydroisoquinoline hydrochloride|19195|33537-97-2 https://www.jk-sci.com/products/ts246cs-0112870 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc84998dcc8ded3e8162657fe0c914e6.jpg?v=1776476976 tert-Butyl (3S,4S)-4-(((R)-tert-butylsulfinyl)amino)-3-methyl-2-oxa-8-azaspiro[4.5]decane-8-carboxylate | 1801766-78-8 tert-Butyl (3S,4S)-4-(((R)-tert-butylsulfinyl)amino)-3-methyl-2-oxa-8-azaspiro[4.5]decane-8-carboxylate|CS-0112870|1801766-78-8 https://www.jk-sci.com/products/ts246cs-0112901 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/665562ddbf088effc2ba1913d436aa86.jpg?v=1776477004 (5-Cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methanol | 946426-89-7 (5-Cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methanol|CS-0112901|946426-89-7 https://www.jk-sci.com/products/ts246cs-0112927 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f83aadea1fe8b0af9e798172d595e0d.jpg?v=1776477022 5-Methoxy-3,4-dihydroquinolin-2(1H)-one | 30557-06-3 5-Methoxy-3,4-dihydroquinolin-2(1H)-one|CS-0112927|30557-06-3 https://www.jk-sci.com/products/s57c4x-225729 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d9b856a8250519cd24aafefcecf5b5a.jpg?v=1776417411 Gadoteridol impurity 29 | 213312-49-3 Gadoteridol impurity 29|C4X-225729|213312-49-3 https://www.jk-sci.com/products/ts246cs-0113001 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488136_b9c2a804-4f25-4998-a87c-935a576a937e.png?v=1776477075 2,2,2-Trifluoro-N-(hydroxymethyl)acetamide | 50667-69-1 2,2,2-Trifluoro-N-(hydroxymethyl)acetamide|CS-0113001|50667-69-1 https://www.jk-sci.com/products/ts246cs-0113038 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224344_4ee45ec4-16d2-48af-b59d-44567238deaf.png?v=1776477095 4-Bromo-8-fluoroquinoline | 927800-38-2 4-Bromo-8-fluoroquinoline|CS-0113038|927800-38-2 https://www.jk-sci.com/products/s57c4x-2260 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5546092e224106a4e88616f50d275bf7.jpg?v=1776417417 Baricitinib | 1187594-09-7 Baricitinib|C4X-2260|1187594-09-7 https://www.jk-sci.com/products/s57c4x-226010 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5718a47505432f5c5a6c4f0b71410a4_5da74765-38b5-461a-a428-dd8fdd7fc06a.jpg?v=1776417423 Baricitinib Impurity 10 | 952518-97-7 Baricitinib Impurity 10|C4X-226010|952518-97-7 https://www.jk-sci.com/products/s57c4x-226015 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ec92fd28f6932ab295a0b93e249856b.jpg?v=1776417428 Baricitinib Impurity 15 | 941685-26-3 Baricitinib Impurity 15|C4X-226015|941685-26-3 https://www.jk-sci.com/products/s57c4x-226017 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e3763e2e73fa2420397906a7378af39.jpg?v=1776417435 Baricitinib Impurity 17 | 1187595-89-6 Baricitinib Impurity 17|C4X-226017|1187595-89-6 https://www.jk-sci.com/products/s57c4x-226020 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/027255b7329f937301a28d25b1081c4c.jpg?v=1776417440 Baricitinib Impurity 20 | 1187595-85-2 Baricitinib Impurity 20|C4X-226020|1187595-85-2 https://www.jk-sci.com/products/ts246cs-0113100 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557296.png?v=1776477163 2-(Triphenyl-l5-phosphanylidene)propanal | 24720-64-7 2-(Triphenyl-l5-phosphanylidene)propanal|CS-0113100|24720-64-7 https://www.jk-sci.com/products/s57c4x-226031 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472443_eb760a40-2d6f-4370-b053-39e1e6ddee02.png?v=1775052894 Baricitinib Impurity 31 | 335654-06-3 Baricitinib Impurity 31|C4X-226031|335654-06-3 https://www.jk-sci.com/products/s57c4x-226034 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419379.png?v=1774965799 Baricitinib Impurity 34 | 763120-58-7 Baricitinib Impurity 34|C4X-226034|763120-58-7 https://www.jk-sci.com/products/s57c4x-226022 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ece36ef18f63f361a681db3b555b739b_7fb5053f-ff45-4d4e-bbac-14e96a036269.jpg?v=1776417446 Baricitinib Impurity 22 | 2075-45-8 Baricitinib Impurity 22|C4X-226022|2075-45-8 https://www.jk-sci.com/products/j5319223 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e29cdb5f07e995f411dd4e27b115c3a9.jpg?v=1776339600 2-Formyl-6-methoxypyridine | 54221-96-4 2-Formyl-6-methoxypyridine|19223|54221-96-4 https://www.jk-sci.com/products/s57c4x-226036 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415f65be7586264d3c4eaf34678c56e2.jpg?v=1776417452 Baricitinib Impurity 36 | 1919837-50-5 Baricitinib Impurity 36|C4X-226036|1919837-50-5 https://www.jk-sci.com/products/s57c4x-22604 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd92b5718e0f18b048ea98cfd9b7b25c.jpg?v=1776417466 Baricitinib-d5 | 1564241-79-7 Baricitinib-d5|C4X-22604|1564241-79-7 https://www.jk-sci.com/products/s57c4x-226050 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4bdce982608e8c4091370889548e14.jpg?v=1776417472 Baricitinib Impurity 50 | 1187594-35-9 Baricitinib Impurity 50|C4X-226050|1187594-35-9 https://www.jk-sci.com/products/s57c4x-226038 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc0bf8325e2ab37a1dc8a0cc735ffc3.jpg?v=1776417460 Baricitinib Impurity 38 | 1236033-21-8 Baricitinib Impurity 38|C4X-226038|1236033-21-8 https://www.jk-sci.com/products/ts246cs-0113291 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a4929f0d20b1b54470a79165521174f.jpg?v=1776477200 1-(5-Bromo-6-methylpyridin-2-yl)-4-(cyclopropylmethyl)piperazine | 1911398-16-7 1-(5-Bromo-6-methylpyridin-2-yl)-4-(cyclopropylmethyl)piperazine|CS-0113291|1911398-16-7 https://www.jk-sci.com/products/ts246cs-0113409 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1adce3ff38aa78e2460e8ac08ab875d5.jpg?v=1776477260 2,3,4,6-Tetra-O-acetyl-1-S-acetyl-1-thiohexopyranose | 13639-50-4 2,3,4,6-Tetra-O-acetyl-1-S-acetyl-1-thiohexopyranose|CS-0113409|13639-50-4 https://www.jk-sci.com/products/ts246cs-0113690 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8795e058a30b1ae28f0808d331b8947.jpg?v=1776477285 Methyl 5-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate | 1088994-18-6 Methyl 5-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate|CS-0113690|1088994-18-6 https://www.jk-sci.com/products/s57c4x-226057 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/017b1dd2121759820ebdb7a625ce6004.jpg?v=1776417475 Baricitinib Impurity 57 | 2920037-85-8 Baricitinib Impurity 57|C4X-226057|2920037-85-8 https://www.jk-sci.com/products/s57c4x-226061 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0113719 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ee6783a0418d1569e589a1cdaf142e.jpg?v=1776477293 5-Chloro-1,3-difluoro-2-nitrobenzene | 136272-31-6 5-Chloro-1,3-difluoro-2-nitrobenzene|CS-0113719|136272-31-6 https://www.jk-sci.com/products/s57c4x-226059 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5319228 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7986af6485b076073aacf7ecbc8c628d.jpg?v=1776339607 6-Methyl-1H-benzoimidazole-2-carboxylic acid methyl ester | 87836-37-1 6-Methyl-1H-benzoimidazole-2-carboxylic acid methyl ester|19228|87836-37-1 https://www.jk-sci.com/products/j5319245 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e200ea0cc5c4683dc797106ea22ed02a.jpg?v=1776339628 7-Bromo-3-chloro-1H-indazole | 885271-75-0 7-Bromo-3-chloro-1H-indazole|19245|885271-75-0 https://www.jk-sci.com/products/s57c4x-226064 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f0fea848b8e8d4db6f405b863d00a91.jpg?v=1776417481 Baricitinib Impurity 64 | 1187594-34-8 Baricitinib Impurity 64|C4X-226064|1187594-34-8 https://www.jk-sci.com/products/s57c4x-226066 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-226075 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0113767 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e765655bfc816be90019ee49eecca1b.jpg?v=1776477307 (R,R)-Me-Bisbox | 2755167-59-8 (R,R)-Me-Bisbox|CS-0113767|2755167-59-8 https://www.jk-sci.com/products/ts246cs-0113872 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5b578916f0119f28650d88711de7e69.jpg?v=1776477324 Methyl 2-(3-chloro-4-hydroxyphenyl)acetate | 57017-95-5 Methyl 2-(3-chloro-4-hydroxyphenyl)acetate|CS-0113872|57017-95-5 https://www.jk-sci.com/products/s57c4x-226077 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78b24d6e-579d-4cf6-9c80-603d6358c886.png?v=1775070547 Baricitinib Impurity 77 Baricitinib Impurity 77|C4X-226077 https://www.jk-sci.com/products/s57c4x-22611 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bab4eab4b2d54f76432b7881db2edf46.jpg?v=1776417487 Lumisterol | 474-69-1 Lumisterol|C4X-22611|474-69-1 https://www.jk-sci.com/products/s57c4x-226081 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6d326574-c30e-49a1-a8d3-b1a2b79e6e8a.png?v=1774986507 Baricitinib Impurity 81 Baricitinib Impurity 81|C4X-226081 https://www.jk-sci.com/products/ts246cs-0113925 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c8ba957cc7f4c997f2e8454556eaa03.jpg?v=1776477338 tert-Butyl (4-chlorothiazol-2-yl)carbamate | 1373223-09-6 tert-Butyl (4-chlorothiazol-2-yl)carbamate|CS-0113925|1373223-09-6 https://www.jk-sci.com/products/s57c4x-22619 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e31da07cd9554bcf0d24b0ceee688782.jpg?v=1776417494 Ergosterol Impurity 9 | 71075-32-6 Ergosterol Impurity 9|C4X-22619|71075-32-6 https://www.jk-sci.com/products/j5319257 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a0ac38d5b34d2bb2b25d604a1b14257.jpg?v=1776339649 7-Hydroxy-3,4-dihydro-1H-naphthalen-2-one | 37827-68-2 7-Hydroxy-3,4-dihydro-1H-naphthalen-2-one|19257|37827-68-2 https://www.jk-sci.com/products/s57c4x-22645 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482777.png?v=1774733384 Cycloserine Impurity 5 HCl | 112346-82-4 Cycloserine Impurity 5 HCl|C4X-22645|112346-82-4 https://www.jk-sci.com/products/ts246cs-0114111 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa08db67ee28773c92ae12b18aa1fd0b.jpg?v=1776477374 4-Chloro-6,7-dimethoxy-2-methylquinazoline | 50377-49-6 4-Chloro-6,7-dimethoxy-2-methylquinazoline|CS-0114111|50377-49-6 https://www.jk-sci.com/products/s57c4x-22671 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360b0ce7d4f38c8d7109beb1bcd0cb13.jpg?v=1776417497 Emedastine EP Impurity A | 101953-61-1 Emedastine EP Impurity A|C4X-22671|101953-61-1 https://www.jk-sci.com/products/ts246cs-0114153 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2ead74dd2938ecdc373d72a16525a09.jpg?v=1776477386 5-Bromo-2,3-dimethoxypyridine | 52605-98-8 5-Bromo-2,3-dimethoxypyridine|CS-0114153|52605-98-8 https://www.jk-sci.com/products/s57c4x-226713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f2d74a52-4460-456b-8838-9a31e62d5727.png?v=1774972025 Emedastine EP Impurity D Emedastine EP Impurity D|C4X-226713 https://www.jk-sci.com/products/s57c4x-22672 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d71dc07cbb99747bdc583bd934b547ed.jpg?v=1776417501 Emedastine EP Impurity B | 87233-54-3 Emedastine EP Impurity B|C4X-22672|87233-54-3 https://www.jk-sci.com/products/s57c4x-22673 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c61561f2-52e6-4811-b513-5129407db3dc.png?v=1774965806 Emedastine EP Impurity C DiHCl Emedastine EP Impurity C DiHCl|C4X-22673 https://www.jk-sci.com/products/s57c4x-226727 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2396fbd-4885-42a4-9ad9-0ab3536a55e0.png?v=1775060981 Emedastine lmpurity 27 Emedastine lmpurity 27|C4X-226727 https://www.jk-sci.com/products/s57c4x-22674 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0d7eea9b-955f-446a-914d-fd87013ce690.png?v=1775063273 Emedastine EP Impurity D DiHCl Emedastine EP Impurity D DiHCl|C4X-22674 https://www.jk-sci.com/products/ts246cs-0114211 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e47da6448519701fa51519c799ed0bca.jpg?v=1776477394 3-Methyl-2-(trifluoromethyl)aniline | 106877-30-9 3-Methyl-2-(trifluoromethyl)aniline|CS-0114211|106877-30-9 https://www.jk-sci.com/products/ts246cs-0114299 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41370a55a03802983068dbd8e4a6350.jpg?v=1776477425 Aminooxy-PEG1-propargyl | 1895922-69-6 Aminooxy-PEG1-propargyl|CS-0114299|1895922-69-6 https://www.jk-sci.com/products/s57c4x-226738 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f8e7ed0-532b-487c-9cd0-42f3071f9a06.png?v=1774719209 Emedastine Impurity 38 Emedastine Impurity 38|C4X-226738 https://www.jk-sci.com/products/s57c4x-226731 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-22676 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3258ceba-8241-47e2-8537-1994233cef92.png?v=1774972028 Emedastine EP Impurity F 2HCl Emedastine EP Impurity F 2HCl|C4X-22676 https://www.jk-sci.com/products/s57c4x-2269 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1239124_aaef9825-3881-49d9-b5a5-fd9779f150fa.png?v=1774727880 Ponatinib | 943319-70-8 Ponatinib|C4X-2269|943319-70-8 https://www.jk-sci.com/products/ts246cs-0114314 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa5a2242d7888d716aff0eccb0d759b.jpg?v=1776477445 Bromo-PEG4-azide | 1951439-37-4 Bromo-PEG4-azide|CS-0114314|1951439-37-4 https://www.jk-sci.com/products/s57c4x-22708 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/644c4ded36f468a0c79d134ec5529591.jpg?v=1776417512 Pentoxyverine EP Impurity B Hydrochloride | 125-85-9 Pentoxyverine EP Impurity B Hydrochloride|C4X-22708|125-85-9 https://www.jk-sci.com/products/ts246cs-0114356 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d1b3b77ed825471cc2df8cc4b72869.jpg?v=1776477482 Fmoc-NMe-PEG4-C2-acid | 2170240-98-7 Fmoc-NMe-PEG4-C2-acid|CS-0114356|2170240-98-7 https://www.jk-sci.com/products/s57c4x-22743 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/477421.png?v=1774669030 Adrenalone | 62-13-5 Adrenalone|C4X-22743|62-13-5 https://www.jk-sci.com/products/j5319259 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a7426eb4db98cd0b472391c8258ec3e.jpg?v=1776339655 7-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione | 128076-63-1 7-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione|19259|128076-63-1 https://www.jk-sci.com/products/ts246cs-0114403 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1057bc895a1860a540741be895e27727.jpg?v=1776477501 Mal-PEG4-Val-Cit-PAB-PNP | 2112738-09-5 Mal-PEG4-Val-Cit-PAB-PNP|CS-0114403|2112738-09-5 https://www.jk-sci.com/products/s57c4x-227511 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f79518d40dc6ed0987f634072dd31bd7.jpg?v=1776417515 Moxidectin EP Impurity L | 119718-45-5 Moxidectin EP Impurity L|C4X-227511|119718-45-5 https://www.jk-sci.com/products/ts246cs-0114430 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18d548d6300054da38c2fb8e5cfe3e8d.jpg?v=1776477512 DNP-PEG4-alcohol | 1807520-99-5 DNP-PEG4-alcohol|CS-0114430|1807520-99-5 https://www.jk-sci.com/products/s57c4x-22758 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0867b0200cdf8274c24a02290c15b43b.jpg?v=1776417521 23-Keto Nemadectin (Desmethoxyamino Moxidectin) | 112124-81-9 23-Keto Nemadectin (Desmethoxyamino Moxidectin)|C4X-22758|112124-81-9 https://www.jk-sci.com/products/ts246cs-0114449 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/611da3e27a6508d8992b9caad5f4745e.jpg?v=1776477520 Aminooxy-PEG4-C2-Boc | 2100306-82-7 Aminooxy-PEG4-C2-Boc|CS-0114449|2100306-82-7 https://www.jk-sci.com/products/j5319291 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e925beec3bb0be4d44b7716ab86025b3.jpg?v=1776339672 5-Benzothiazolamine hydrochloride | 1123-93-9 5-Benzothiazolamine hydrochloride|19291|1123-93-9 https://www.jk-sci.com/products/ts246cs-0114498 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a4622743fd018e84cf126a1666550e4.jpg?v=1776477540 m-PEG4-Boc | 883554-11-8 m-PEG4-Boc|CS-0114498|883554-11-8 https://www.jk-sci.com/products/s57c4x-227914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04b4d8b12cdeea2fb366991fb864d6f2.jpg?v=1776417524 Eperisone Impurity 14 | 191543-16-5 Eperisone Impurity 14|C4X-227914|191543-16-5 https://www.jk-sci.com/products/s57c4x-227933 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2507fc56-aee3-46d3-b267-792662d89c29.png?v=1774713129 Eperisone Impurity 33 HCl Eperisone Impurity 33 HCl|C4X-227933 https://www.jk-sci.com/products/s57c4x-22796 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2f1957a5-c187-49a1-9809-6f9c28cd0b00.png?v=1774662203 Eperisone Impurity 6 HCl Eperisone Impurity 6 HCl|C4X-22796 https://www.jk-sci.com/products/j5319325 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/732d331d4d91b49dc476bf2b3e4cb6d9.jpg?v=1776339715 (4-Phenyl-morpholin-2-yl)methylamine | 112913-99-2 (4-Phenyl-morpholin-2-yl)methylamine|19325|112913-99-2 https://www.jk-sci.com/products/ts246cs-0114515 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da8f66eaacc3f8eaefb0d24ce2cd181.jpg?v=1776477548 Bromoacetamido-PEG3-C2-Boc | 1807537-33-2 Bromoacetamido-PEG3-C2-Boc|CS-0114515|1807537-33-2 https://www.jk-sci.com/products/ts246cs-0114535 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5f93b6a98e1f134117abf9ce20a68c1.jpg?v=1776477564 Aminooxy-PEG4-propargyl | 1835759-78-8 Aminooxy-PEG4-propargyl|CS-0114535|1835759-78-8 https://www.jk-sci.com/products/s57c4x-22817 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133757.png?v=1775055995 Isocitric acid trisodium salt | 1637-73-6 Isocitric acid trisodium salt|C4X-22817|1637-73-6 https://www.jk-sci.com/products/ts246cs-0114556 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98ed13b77060ea2f217f77b3a939f862.jpg?v=1776477585 Amino-PEG9-amine | 474082-35-4 Amino-PEG9-amine|CS-0114556|474082-35-4 https://www.jk-sci.com/products/s57c4x-228710 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d056bd511d383762892936768ff922a.jpg?v=1776417531 Carteolol EP Impurity E | 56660-90-3 Carteolol EP Impurity E|C4X-228710|56660-90-3 https://www.jk-sci.com/products/s57c4x-228712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/567599.png?v=1774727884 Carteolol HCl EP Impurity A | 5057-12-5 Carteolol HCl EP Impurity A|C4X-228712|5057-12-5 https://www.jk-sci.com/products/ts246cs-0114580 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e527b27c725e0d6219a16af350433fcb.jpg?v=1776477614 Azido-PEG10-alcohol | 877239-09-3 Azido-PEG10-alcohol|CS-0114580|877239-09-3 https://www.jk-sci.com/products/ts246cs-0110552 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd48a2ab965f37b1a37ac0e09c49748c.jpg?v=1776475880 2,4,6-Trichlorobenzene-1,3,5-tricarbaldehyde | 14222-98-1 2,4,6-Trichlorobenzene-1,3,5-tricarbaldehyde|CS-0110552|14222-98-1 https://www.jk-sci.com/products/s57c4x-228727 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263961.png?v=1775060996 1,3-Cyclohexanediol (cis- and trans- mixture) | 504-01-8 1,3-Cyclohexanediol (cis- and trans- mixture)|C4X-228727|504-01-8 https://www.jk-sci.com/products/s57c4x-228718 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5319376 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/951db71f42471f5572c73c69b5ab3d99.jpg?v=1776339756 Thiazol-2-yl-methylamine dihydrochloride | 55661-33-1 Thiazol-2-yl-methylamine dihydrochloride|19376|55661-33-1 https://www.jk-sci.com/products/j5319366 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/984edc3b87383d8b5263ea4efcac822c.jpg?v=1776339737 Imidazo[1,2-a]pyridin-3-yl-methylamine dihydrochloride | 160771-89-1 Imidazo[1,2-a]pyridin-3-yl-methylamine dihydrochloride|19366|160771-89-1 https://www.jk-sci.com/products/ts246cs-0110965 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85b667f870a44d50f2a8e210fce0b06c.jpg?v=1776476264 4',4''',4'''''-Nitrilotris(([1,1'-biphenyl]-3,5-dicarboxylic acid)) | 1347748-59-7 4',4''',4'''''-Nitrilotris(([1,1'-biphenyl]-3,5-dicarboxylic acid))|CS-0110965|1347748-59-7 https://www.jk-sci.com/products/s57c4x-22878 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15881aab9bdd3294160349d69a02a3e.jpg?v=1776417538 Carteolol EP Impurity H | 62330-84-1 Carteolol EP Impurity H|C4X-22878|62330-84-1 https://www.jk-sci.com/products/ts246cs-0111665 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c8a8f0b9e3aea8ab8f8ba13f339d8c0.jpg?v=1776476535 4-Chlorophthalonitrile | 17654-68-1 4-Chlorophthalonitrile|CS-0111665|17654-68-1 https://www.jk-sci.com/products/s57c4x-22882 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07af9e3ac9856caab557d480bf4656c7.jpg?v=1776417541 Antipyrine Impurity 2 | 885-11-0 Antipyrine Impurity 2|C4X-22882|885-11-0 https://www.jk-sci.com/products/ts246cs-0112325 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f691d6dafc63c4457d8b5673359edc3.jpg?v=1776476733 5,7-Dichloro-1,8-naphthyridin-2-amine | 131998-24-8 5,7-Dichloro-1,8-naphthyridin-2-amine|CS-0112325|131998-24-8 https://www.jk-sci.com/products/s57c4x-229215 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/450c2948bf5155744b63e018b015ddfe.jpg?v=1776417544 Melatonin impurity 15 | 2998440-04-1 Melatonin impurity 15|C4X-229215|2998440-04-1 https://www.jk-sci.com/products/s57c4x-229323 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b029b544-ca87-401e-baac-5d8fddb80605.png?v=1775063280 Atosiban Impurity 23 TFA Salt Atosiban Impurity 23 TFA Salt|C4X-229323 https://www.jk-sci.com/products/ts246cs-0112718 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c51131e5d20d343a4d614fe0039d631.jpg?v=1776476897 Mal-PEG1-Boc | 810677-16-8 Mal-PEG1-Boc|CS-0112718|810677-16-8 https://www.jk-sci.com/products/s57c4x-2291 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269144.png?v=1774710331 Carbazochrome | 69-81-8 Carbazochrome|C4X-2291|69-81-8 https://www.jk-sci.com/products/s57c4x-22924 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cf0b2947db7afa22b3a2abddb9e6c2d.jpg?v=1776417547 Melatonin Impurity 4 | 229018-17-1 Melatonin Impurity 4|C4X-22924|229018-17-1 https://www.jk-sci.com/products/ts246cs-0112850 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be5591e289862c656f7d45a81f85c6f8.jpg?v=1776476962 4-(Methylsulfonyl)cyclohexan-1-amine hydrochloride | 1354951-89-5 4-(Methylsulfonyl)cyclohexan-1-amine hydrochloride|CS-0112850|1354951-89-5 https://www.jk-sci.com/products/s57c4x-229317 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0112921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a451ba9202fa62efce992bab24e74fe.jpg?v=1776477016 Ethyl 3-bromo-2-methylbenzoate | 103038-43-3 Ethyl 3-bromo-2-methylbenzoate|CS-0112921|103038-43-3 https://www.jk-sci.com/products/ts246cs-0113022 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202240.png?v=1776477087 (S)-3-Amino-3-(4-methoxyphenyl)propanoic acid | 131690-56-7 (S)-3-Amino-3-(4-methoxyphenyl)propanoic acid|CS-0113022|131690-56-7 https://www.jk-sci.com/products/s57c4x-229319 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f499874b-3ce8-43e7-bef0-3f37fe5416fb.png?v=1775061001 [Gly9-OH]-Atosiban TFA Salt [Gly9-OH]-Atosiban TFA Salt|C4X-229319 https://www.jk-sci.com/products/s57c4x-22927 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0113175 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc91055f2698e7994e757c3de37e3522.jpg?v=1776477193 4-Bromo-3,5-diethoxybenzaldehyde | 363166-11-4 4-Bromo-3,5-diethoxybenzaldehyde|CS-0113175|363166-11-4 https://www.jk-sci.com/products/s57c4x-229212 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10a2185f-30d5-447c-93b2-ebc08705175b.png?v=1774720331 Melatonin impurity 12 Melatonin impurity 12|C4X-229212 https://www.jk-sci.com/products/j5319380 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e85a354a3d9bc18dc99fd0349711a47.jpg?v=1776339768 1-Cycloheptylhydrazine hydrochloride | 79201-43-7 1-Cycloheptylhydrazine hydrochloride|19380|79201-43-7 https://www.jk-sci.com/products/ts246cs-0113363 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27593361995b915aad061138e8cdd235.jpg?v=1776477254 Mal-PEG8-Boc | 2055048-43-4 Mal-PEG8-Boc|CS-0113363|2055048-43-4 https://www.jk-sci.com/products/ts246cs-0113697 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cacb2a5e04f59f200efca01e97f189dc.jpg?v=1776477288 3-Amino-5-chlorophenol | 883195-40-2 3-Amino-5-chlorophenol|CS-0113697|883195-40-2 https://www.jk-sci.com/products/ts246cs-0113768 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbfdae3f682784393739504e7d8e9f99.jpg?v=1776477310 (4R,4'R)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole] | 164976-63-0 (4R,4'R)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole]|CS-0113768|164976-63-0 https://www.jk-sci.com/products/ts246cs-0114061 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a37b466491825bd4b20b20959b2c5f16.jpg?v=1776477355 4-Chloro-2-fluorobenzothioamide | 1343722-88-2 4-Chloro-2-fluorobenzothioamide|CS-0114061|1343722-88-2 https://www.jk-sci.com/products/ts246cs-0114194 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b74430aed7110b282a850bb4abebec1.jpg?v=1776477389 Monobenzyl Terephthalate | 18520-63-3 Monobenzyl Terephthalate|CS-0114194|18520-63-3 https://www.jk-sci.com/products/j5319389 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d57964520294429e749bdd247e3f670.jpg?v=1776339781 5-Bromo-1H-indazole-3-carboxylic acid ethyl ester | 1081-04-5 5-Bromo-1H-indazole-3-carboxylic acid ethyl ester|19389|1081-04-5 https://www.jk-sci.com/products/s57c4x-229325 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93e4553f-9bac-4b93-be0b-0340778dc2d9.png?v=1775136826 [D-Cys6]-Atosiban TFA Salt [D-Cys6]-Atosiban TFA Salt|C4X-229325 https://www.jk-sci.com/products/s57c4x-229333 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd4aa721-5c58-429a-8a1e-c85955576d80.png?v=1774725149 [Gly9-ol]-Atosiban [Gly9-ol]-Atosiban|C4X-229333 https://www.jk-sci.com/products/s57c4x-229327 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1fc01c7-9a37-4676-81a1-e2d94dba0d55.png?v=1774727891 [β-Asp5]-Atosiban TFA Salt [β-Asp5]-Atosiban TFA Salt|C4X-229327 https://www.jk-sci.com/products/ts246cs-0114310 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01af2e6eda524ff43305698479873660.jpg?v=1776477439 Bis-propargyl-PEG1 | 40842-04-4 Bis-propargyl-PEG1|CS-0114310|40842-04-4 https://www.jk-sci.com/products/ts246cs-0114397 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6847299cbcffd1c6e02e443dccee9669.jpg?v=1776477495 Biotin-PEG2-NH-Boc | 175885-18-4 Biotin-PEG2-NH-Boc|CS-0114397|175885-18-4 https://www.jk-sci.com/products/j5319413 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68cb8ef39e28a70b9624ee06e4890b28.jpg?v=1776339806 Imidazo[1,5-a]pyridine-1-carboxylic acid ethyl ester | 119448-87-2 Imidazo[1,5-a]pyridine-1-carboxylic acid ethyl ester|19413|119448-87-2 https://www.jk-sci.com/products/ts246cs-0114448 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5f9c05c5fb9996ade6cef1b81180b7f.jpg?v=1776477518 Boc-Aminoxy-PEG4-OH | 918132-14-6 Boc-Aminoxy-PEG4-OH|CS-0114448|918132-14-6 https://www.jk-sci.com/products/s57c4x-229335 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bc04363a-2a32-469c-bcf5-2769b2886694.png?v=1774736693 Atosiban Impurity 35 Atosiban Impurity 35|C4X-229335 https://www.jk-sci.com/products/ts246cs-0114512 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ff2b1385424867eb6ca52a7feda833a.jpg?v=1776477545 Propargyl-PEG3-Boc | 1374658-84-0 Propargyl-PEG3-Boc|CS-0114512|1374658-84-0 https://www.jk-sci.com/products/ts246cs-0114547 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/625ae2ca999e904b05519085386458b0.jpg?v=1776477576 Bromoacetamido-PEG2-C2-acid | 1415800-44-0 Bromoacetamido-PEG2-C2-acid|CS-0114547|1415800-44-0 https://www.jk-sci.com/products/j5319427 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f131048e652e09cd1e20a13a35b557b.jpg?v=1776339837 Isoxazol-3-ylmethyl-methylamine·HCl | 1187927-38-3 Isoxazol-3-ylmethyl-methylamine·HCl|19427|1187927-38-3 https://www.jk-sci.com/products/ts246cs-0114589 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e132d08387c890abe05e9e9811b6fdae.jpg?v=1776477630 Bromo-PEG5-Boc | 1415800-38-2 Bromo-PEG5-Boc|CS-0114589|1415800-38-2 https://www.jk-sci.com/products/s57c4x-229339 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a43eb2f-b5d2-420e-8954-62b4d8a8c160.png?v=1774722274 [Val3]-Atosiban [Val3]-Atosiban|C4X-229339 https://www.jk-sci.com/products/ts246cs-0114607 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b38eccee7e37f734c577f9a42ebeb842.jpg?v=1776477653 Biotin-PEG6-azide | 1085938-09-5 Biotin-PEG6-azide|CS-0114607|1085938-09-5 https://www.jk-sci.com/products/s57c4x-229342 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8639f477-8f6a-4beb-9dcf-932358e8d7e8.png?v=1774969806 [Orn(Ac)8]-Atosiban [Orn(Ac)8]-Atosiban|C4X-229342 https://www.jk-sci.com/products/j5319448 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2ee4861ae412c67f82db990350a8f62.jpg?v=1776339857 Methyl-piperidin-4-ylmethylamine | 126579-26-8 Methyl-piperidin-4-ylmethylamine|19448|126579-26-8 https://www.jk-sci.com/products/ts246cs-0114647 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142c9295369c7b9cf6cb9aadfdb20a93.jpg?v=1776477675 Tetrabenazine impurity 1 | 99672-64-7 Tetrabenazine impurity 1|CS-0114647|99672-64-7 https://www.jk-sci.com/products/s57c4x-229344 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3db91ae-c1a6-447b-8eba-78e7a1f48ab2.png?v=1774972033 [D-Tyr2]-Atosiban [D-Tyr2]-Atosiban|C4X-229344 https://www.jk-sci.com/products/j5319455 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3912fef3183bc2a8806efd9cdade4d9b.jpg?v=1776339870 Morpholin-2-yl-acetic acid methyl ester hydrochloride | 1187932-65-5 Morpholin-2-yl-acetic acid methyl ester hydrochloride|19455|1187932-65-5 https://www.jk-sci.com/products/ts246cs-0110818 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207961_2ef7d94f-9d28-4c64-af59-bdee0dd1d000.png?v=1776476138 Bis(triphenylphosphine)nickeldicarbonyl | 13007-90-4 Bis(triphenylphosphine)nickeldicarbonyl|CS-0110818|13007-90-4 https://www.jk-sci.com/products/ts246cs-0112221 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c19bdf5f06b3ca538150493c5cb839bf.jpg?v=1776476658 3-Methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one | 21991-39-9 3-Methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one|CS-0112221|21991-39-9 https://www.jk-sci.com/products/ts246cs-0112801 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02359eb9a4031f5216ecd1462710bf7f.jpg?v=1776476932 tert-Butyl 6,6-difluoro-1,4-diazepane-1-carboxylate | 1166820-07-0 tert-Butyl 6,6-difluoro-1,4-diazepane-1-carboxylate|CS-0112801|1166820-07-0 https://www.jk-sci.com/products/ts246cs-0112967 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aea910d78bd90f31bc911889f98c3d99.jpg?v=1776477053 tert-Butyl (2-methylpyridin-3-yl)carbamate | 1219095-87-0 tert-Butyl (2-methylpyridin-3-yl)carbamate|CS-0112967|1219095-87-0 https://www.jk-sci.com/products/s57c4x-229348 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_572d62e7-7f8d-43d3-843e-dc6aff0ab022.png?v=1774662206 Atosiban Impurity 48 Atosiban Impurity 48|C4X-229348 https://www.jk-sci.com/products/ts246cs-0113340 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31a7723f30bd2f8b64618409b5bb8e97.jpg?v=1776477229 1,1,1-Trifluoro-N-[(11bR)-8,9,10,11,12,13,14,15-octahydro-2,6-bis(4-methoxyphenyl)-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide | 1071853-99-0 1,1,1-Trifluoro-N-[(11bR)-8,9,10,11,12,13,14,15-octahydro-2,6-bis(4-methoxyphenyl)-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide|CS-0113340|1071853-99-0 https://www.jk-sci.com/products/ts246cs-0113739 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8335cd1101bde8feccfb5d6183477772.jpg?v=1776477302 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione | 24447-28-7 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione|CS-0113739|24447-28-7 https://www.jk-sci.com/products/ts246cs-0114122 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519036.png?v=1776477377 2-((tert-Butoxycarbonyl)amino)-3-(5-methyl-1H-indol-3-yl)propanoic acid | 142847-21-0 2-((tert-Butoxycarbonyl)amino)-3-(5-methyl-1H-indol-3-yl)propanoic acid|CS-0114122|142847-21-0 https://www.jk-sci.com/products/ts246cs-0114351 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_98ab754c-6545-4699-9b52-a3443a8c4017.png?v=1776477470 Biotin-PEG3-Mal | 1431618-70-0 Biotin-PEG3-Mal|CS-0114351|1431618-70-0 https://www.jk-sci.com/products/j5319471 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9df73d1a514e98274e8a8dc38af14f49.jpg?v=1776339900 Oxazole-4-carbothioic acid amide | 118802-31-6 Oxazole-4-carbothioic acid amide|19471|118802-31-6 https://www.jk-sci.com/products/ts246cs-0114466 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77828161c885a419dc0c58ce397cfa7d.jpg?v=1776477532 Azide-PEG2-MS | 176520-23-3 Azide-PEG2-MS|CS-0114466|176520-23-3 https://www.jk-sci.com/products/ts246cs-0114575 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24ff0e4d7381736690ecd679c6a34484.jpg?v=1776477601 m-PEG5-Br | 854601-80-2 m-PEG5-Br|CS-0114575|854601-80-2 https://www.jk-sci.com/products/ts246cs-0114646 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aabba2fd80df03a9f9c53f48491ad279.jpg?v=1776477672 1,11b-Dedihydrotetrabenazine | 100322-43-8 1,11b-Dedihydrotetrabenazine|CS-0114646|100322-43-8 https://www.jk-sci.com/products/s57c4x-229353 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-20133 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88f0f8295a35d20889f9bc93b20a96b0_2856c842-b11a-44e5-87a8-6fa714e77755.jpg?v=1776416395 Oxytetracycline EP Impurity B | 60-54-8 Oxytetracycline EP Impurity B|C4X-20133|60-54-8 https://www.jk-sci.com/products/s57c4x-22954 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0740032af8f5dcb5de5638f2dde0d9ff.jpg?v=1776417558 Dienogest EP Impurity C | 106111-42-6 Dienogest EP Impurity C|C4X-22954|106111-42-6 https://www.jk-sci.com/products/s57c4x-203714 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f153d5e082493a387bc721ef0cf07f6.jpg?v=1776416585 Bisacodyl Impurity 14 | 100378-86-7 Bisacodyl Impurity 14|C4X-203714|100378-86-7 https://www.jk-sci.com/products/s57c4x-205840 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2e96b3d9-03dc-4a58-a28b-0e1bae9707cd.png?v=1775052818 Ruxolitinib Impurity 40 Ruxolitinib Impurity 40|C4X-205840 https://www.jk-sci.com/products/s57c4x-2295 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813339_b3121dca-9f2e-412a-ac2d-86a4558ca4a4.png?v=1774717697 Dienogest | 65928-58-7 Dienogest|C4X-2295|65928-58-7 https://www.jk-sci.com/products/s57c4x-208110 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3839478c56e4f0acd6b364a5024d6b0f.jpg?v=1776416793 Mono-cis-Teprenone | 3796-64-3 Mono-cis-Teprenone|C4X-208110|3796-64-3 https://www.jk-sci.com/products/s57c4x-229512 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330030c0b09a857ead9bd5059f511a41.jpg?v=1776417552 Dienogest EP Impurity K | 106111-43-7 Dienogest EP Impurity K|C4X-229512|106111-43-7 https://www.jk-sci.com/products/s57c4x-208641 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c6ac45a0-6dc1-4cb0-b647-0b7d502b1134.png?v=1774965755 Dacomitinib Impurity 41 Dacomitinib Impurity 41|C4X-208641 https://www.jk-sci.com/products/s57c4x-210818 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-212010 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1283245_575221c3-b1b3-429c-be20-e916f626876c.png?v=1774668994 Gadobutrol Impurity 10 | 57280-22-5 Gadobutrol Impurity 10|C4X-212010|57280-22-5 https://www.jk-sci.com/products/ts246cs-0114685 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e14516c6-fe9b-4bab-9dc0-1a0bb65cfadc.png?v=1776477695 Benzyl-PEG2-amine | 1268135-96-1 Benzyl-PEG2-amine|CS-0114685|1268135-96-1 https://www.jk-sci.com/products/s57c4x-21056 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9689a6eb0916b82e3e05de60d3f74d8d.jpg?v=1776416889 Estrone impurity 6 | 1089-80-1 Estrone impurity 6|C4X-21056|1089-80-1 https://www.jk-sci.com/products/ts246cs-0114720 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0c4f5ae756ad57546bc3ffc2004674f.jpg?v=1776477707 Thiol-PEG4-Boc | 564476-33-1 Thiol-PEG4-Boc|CS-0114720|564476-33-1 https://www.jk-sci.com/products/ts246cs-0114735 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62c7edd7b73e74cc09b8d2f4dc09eeee.jpg?v=1776477718 Ald-Ph-PEG2-NH-Boc | 1807503-90-7 Ald-Ph-PEG2-NH-Boc|CS-0114735|1807503-90-7 https://www.jk-sci.com/products/ts246cs-0114757 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e91d75c96ee81170c57875ad7c3ebba6.jpg?v=1776477730 Azido-PEG6-C2-Boc | 406213-76-1 Azido-PEG6-C2-Boc|CS-0114757|406213-76-1 https://www.jk-sci.com/products/ts246cs-0114763 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f63cad9458ada5e40be7893dc738d20f.jpg?v=1776477735 Azido-PEG9-Boc | 1818294-43-7 Azido-PEG9-Boc|CS-0114763|1818294-43-7 https://www.jk-sci.com/products/j5319494 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0aed8b897ef037368b012a73b16c244.jpg?v=1776339937 5-Aminopyrimidine | 591-55-9 5-Aminopyrimidine|19494|591-55-9 https://www.jk-sci.com/products/j5319502 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/866be1074ae891120ea38ae215f319da.jpg?v=1776339958 Quinolin-8-yl-hydrazine dihydrochloride | 73031-21-7 Quinolin-8-yl-hydrazine dihydrochloride|19502|73031-21-7 https://www.jk-sci.com/products/ts246cs-0114807 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1530284.png?v=1776477755 Boc-4-amino-4-methyl-pentanoic acid | 1249372-40-4 Boc-4-amino-4-methyl-pentanoic acid|CS-0114807|1249372-40-4 https://www.jk-sci.com/products/s57c4x-214625 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf38dedce2c851bd6961d0b07253bb8a.jpg?v=1776417032 (5Z)-5-Isobutylidene Hydantoin | 1369499-44-4 (5Z)-5-Isobutylidene Hydantoin|C4X-214625|1369499-44-4 https://www.jk-sci.com/products/ts246cs-0114864 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee8401e51d7a462d70c34e9a69053085.jpg?v=1776477773 Boc-aminoxy-PEG4-acid | 2062663-68-5 Boc-aminoxy-PEG4-acid|CS-0114864|2062663-68-5 https://www.jk-sci.com/products/j5319507 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b764aa30f93ca7c444e41a8b08e19f5c.jpg?v=1776339967 Quinoline-5-carboxylic acid hydrazide | 96541-83-2 Quinoline-5-carboxylic acid hydrazide|19507|96541-83-2 https://www.jk-sci.com/products/ts246cs-0114867 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e83b628d17ada8d0e4853657e089c253.jpg?v=1776477779 Propargyl-PEG4-Boc | 1355197-66-8 Propargyl-PEG4-Boc|CS-0114867|1355197-66-8 https://www.jk-sci.com/products/s57c4x-215015 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7eb4904-2ffd-4226-aee4-0c36b90304bf.png?v=1774896784 Tropicamide Impurity 15 Tropicamide Impurity 15|C4X-215015 https://www.jk-sci.com/products/ts246cs-0114897 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f36221c46cbe51ae657830491419c87.jpg?v=1776477799 Acid-PEG5-mono-methyl ester | 1309460-30-7 Acid-PEG5-mono-methyl ester|CS-0114897|1309460-30-7 https://www.jk-sci.com/products/s57c4x-21638 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260526_bd6145ef-69a5-4450-a3bc-e4c698274a66.png?v=1774726120 Tafluprost Impurity 8 | 209860-88-8 Tafluprost Impurity 8|C4X-21638|209860-88-8 https://www.jk-sci.com/products/ts246cs-0114909 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58e311a3f354928497dc6240254861db.jpg?v=1776477805 Hydroxy-PEG5-Boc | 850090-09-4 Hydroxy-PEG5-Boc|CS-0114909|850090-09-4 https://www.jk-sci.com/products/j5319517 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa96d24e612b278fa900a614508b6047.jpg?v=1776339986 Glycidyl 4-toluenesulfonate | 6746-81-2 Glycidyl 4-toluenesulfonate|19517|6746-81-2 https://www.jk-sci.com/products/ts246cs-0114921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/740e924a98301272f907034538a932ed.jpg?v=1776477810 Azido-PEG4-Amido-Tris | 1398044-55-7 Azido-PEG4-Amido-Tris|CS-0114921|1398044-55-7 https://www.jk-sci.com/products/ts246cs-0114923 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b76be38d86c258eec969b22a8e98d6d9.jpg?v=1776477816 N-(Azido-PEG2)-N-Boc-PEG4-acid | 2093153-82-1 N-(Azido-PEG2)-N-Boc-PEG4-acid|CS-0114923|2093153-82-1 https://www.jk-sci.com/products/s57c4x-218021 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c1243f3b-597b-4459-9153-78de25b4ebd5.png?v=1774880637 Fluralaner Impurity 21 Fluralaner Impurity 21|C4X-218021 https://www.jk-sci.com/products/s57c4x-21905 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/862a47a80f1d25ef7cff0ce4e2bbacb6.jpg?v=1776417135 Ethinylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol) | 27521-34-2 Ethinylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol)|C4X-21905|27521-34-2 https://www.jk-sci.com/products/s57c4x-220734 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09f3c185-a90e-4b34-8e99-38a5e0d07b9e.png?v=1774642567 Vitamin K1 Impurity 34 Vitamin K1 Impurity 34|C4X-220734 https://www.jk-sci.com/products/ts246cs-0114942 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a398aecef52154d5e6e67cb2afbc10b2.jpg?v=1776477832 m-PEG4-phosphonic acid ethyl ester | 1872433-73-2 m-PEG4-phosphonic acid ethyl ester|CS-0114942|1872433-73-2 https://www.jk-sci.com/products/ts246cs-0114952 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05148449a2d2227d899d455937d7f3a1.jpg?v=1776477844 Hydroxy-PEG5-C2-methyl ester | 2100306-80-5 Hydroxy-PEG5-C2-methyl ester|CS-0114952|2100306-80-5 https://www.jk-sci.com/products/s57c4x-221132 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffe36f5c4f1fd7f7219468e333d33536.jpg?v=1776417214 Lysine Impurity 32 | 2924449-37-4 Lysine Impurity 32|C4X-221132|2924449-37-4 https://www.jk-sci.com/products/s57c4x-22133 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae66a91d-06ec-40fd-ab85-5509f380cc6a.png?v=1775135596 Roxadustat Impurity 3 Roxadustat Impurity 3|C4X-22133 https://www.jk-sci.com/products/s57c4x-220110 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fd7bc2067be887ff239e2ed37fd2043.jpg?v=1776417164 Lumateperone Tosylate Salt | 1187020-80-9 Lumateperone Tosylate Salt|C4X-220110|1187020-80-9 https://www.jk-sci.com/products/s57c4x-221518 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_06719a1a-9337-4759-a24c-046b47ff85ec.png?v=1774882397 Desmopressin Tyrosine Oxidation Impurity 1 Desmopressin Tyrosine Oxidation Impurity 1|C4X-221518 https://www.jk-sci.com/products/s57c4x-221543 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3cba08d4-1d95-4fba-b13c-b0e0e50edcd9.png?v=1774669011 Desmopressin Impurity 43 Desmopressin Impurity 43|C4X-221543 https://www.jk-sci.com/products/ts246cs-0114961 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11eab92d11c76391ef42fd23ee9168ad.jpg?v=1776477850 N-Me-N-bis-PEG4 | 2055046-22-3 N-Me-N-bis-PEG4|CS-0114961|2055046-22-3 https://www.jk-sci.com/products/s57c4x-22173 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d79424dce8eb8f00d6a3142892c32a5_9881344b-0d17-4bba-803a-fb3db6860c91.jpg?v=1776417243 TriformylPhloroglucinol | 34374-88-4 TriformylPhloroglucinol|C4X-22173|34374-88-4 https://www.jk-sci.com/products/j5319625 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba01294c4050018aa8cd1b7c8b84d326.jpg?v=1776340017 (Piperidin-4-yloxy)acetic acid methyl ester hydrochloride | 146117-95-5 (Piperidin-4-yloxy)acetic acid methyl ester hydrochloride|19625|146117-95-5 https://www.jk-sci.com/products/s57c4x-22179 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110006_d9ab8506-4e0c-4108-868d-45a6920fb80b.png?v=1774644748 Phloroglucinol Impurity 9 | 87-66-1 Phloroglucinol Impurity 9|C4X-22179|87-66-1 https://www.jk-sci.com/products/s57c4x-2226110 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00f11d25c31a39edb43905835998f56f.jpg?v=1776417263 Octa(OtBu)-Glu-OtBu | 1188328-39-3 Octa(OtBu)-Glu-OtBu|C4X-2226110|1188328-39-3 https://www.jk-sci.com/products/s57c4x-22266 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206299_b0ec9f82-aec6-4260-9c06-7764800ab7e0.png?v=1774667981 Semaglutide Impurity 6 | 62-57-7 Semaglutide Impurity 6|C4X-22266|62-57-7 https://www.jk-sci.com/products/ts246cs-0114988 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01636921e410f2f0e36ea838bf1d069a.jpg?v=1776477861 N-(Azido-PEG3)-N-Boc-PEG4-Boc | 2112731-94-7 N-(Azido-PEG3)-N-Boc-PEG4-Boc|CS-0114988|2112731-94-7 https://www.jk-sci.com/products/s57c4x-22191 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-222941 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131686_aa2417f5-7598-4c26-809e-58cb44d6a720.png?v=1775055982 Pirfenidone Impurity 41 | 1824-81-3 Pirfenidone Impurity 41|C4X-222941|1824-81-3 https://www.jk-sci.com/products/s57c4x-22343 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a896d3a-8f3c-4dba-8498-9cff9e252bda.png?v=1774664953 Avatrombopag Impurity 3 Avatrombopag Impurity 3|C4X-22343 https://www.jk-sci.com/products/s57c4x-22341 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8838e17a7ba7532b61278e5b3f997dc.jpg?v=1776417286 Avatrombopag Impurity 1 | 2626934-45-8 Avatrombopag Impurity 1|C4X-22341|2626934-45-8 https://www.jk-sci.com/products/ts246cs-0114995 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b5c23e4193e643e56da2418b5f8f5b.jpg?v=1776477866 Cbz-NH-PEG2-C2-acid | 1347750-76-8 Cbz-NH-PEG2-C2-acid|CS-0114995|1347750-76-8 https://www.jk-sci.com/products/ts246cs-0115004 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ab400de987f6e4c7552019b83174e96.jpg?v=1776477880 Hydroxy-PEG6-CH2-Boc | 297162-47-1 Hydroxy-PEG6-CH2-Boc|CS-0115004|297162-47-1 https://www.jk-sci.com/products/s57c4x-223462 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c5da59782b01d75c705385b419bbd52.jpg?v=1776417309 Avatrombopag Impurity 62 | 1956319-74-6 Avatrombopag Impurity 62|C4X-223462|1956319-74-6 https://www.jk-sci.com/products/j5319638 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554df6031a41175f84e3409202d40e1e.jpg?v=1776340029 (R)-Morpholine-3-carboxylic acid hydrochloride | 106825-81-4 (R)-Morpholine-3-carboxylic acid hydrochloride|19638|106825-81-4 https://www.jk-sci.com/products/ts246cs-0115019 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c325eb41f6cab081dbe967b3aaf85cdc.jpg?v=1776477891 Thalidomide-O-PEG4-Boc | 2411681-87-1 Thalidomide-O-PEG4-Boc|CS-0115019|2411681-87-1 https://www.jk-sci.com/products/j5319742 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67cf84a0afe39762503c665ce9e9fa35.jpg?v=1776340062 1,5-Diphenyl-1H-pyrazole-3-carbaldehyde | 112009-28-6 1,5-Diphenyl-1H-pyrazole-3-carbaldehyde|19742|112009-28-6 https://www.jk-sci.com/products/ts246cs-0115040 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/838c198a4183dee62fbb0bb50bc42623.jpg?v=1776477905 HO-PEG24-OH | 2243942-52-9 HO-PEG24-OH|CS-0115040|2243942-52-9 https://www.jk-sci.com/products/s57c4x-223614 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/226312_f7852bf1-59aa-426e-8c02-34853d3ef274.png?v=1774884855 Epalrestat Impurity 14 | 31061-24-2 Epalrestat Impurity 14|C4X-223614|31061-24-2 https://www.jk-sci.com/products/j5319761 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7453d92caeb436c40677ddbb960a73b9.jpg?v=1776340075 1-Boc-2,3-dihydro-indole-3-carboxylic acid | 177201-79-5 1-Boc-2,3-dihydro-indole-3-carboxylic acid|19761|177201-79-5 https://www.jk-sci.com/products/s57c4x-22412 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d824e8a701eba3f065820affab77c074.jpg?v=1776417340 10-Formyl Folic Acid | 134-05-4 10-Formyl Folic Acid|C4X-22412|134-05-4 https://www.jk-sci.com/products/s57c4x-223811 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a65281ea83ae784b15bbea60b3b6eaa0.jpg?v=1776417324 Isosorbide Dinitrate Impurity 11 | 110627-22-0 Isosorbide Dinitrate Impurity 11|C4X-223811|110627-22-0 https://www.jk-sci.com/products/j5317355 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4c4b1daf5098f6be1080ed779ceaa72.jpg?v=1776336301 5-m-Tolyl-2H-pyrazol-3-ylamine | 80568-96-3 5-m-Tolyl-2H-pyrazol-3-ylamine|17355|80568-96-3 https://www.jk-sci.com/products/ts246cs-0115059 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a230b35fbe503e8a26d206d2c7a304c.jpg?v=1776477916 Azido-PEG4-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane | 1421933-29-0 Azido-PEG4-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane|CS-0115059|1421933-29-0 https://www.jk-sci.com/products/s57c4x-225215 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312587_58c73c23-8b3a-4625-8d71-dfd66e9aff22.png?v=1775156384 Metaraminol Impurity 15 | 13103-80-5 Metaraminol Impurity 15|C4X-225215|13103-80-5 https://www.jk-sci.com/products/s57c4x-22477 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436950_08f06ee8-cdc3-4250-ae43-a5ead21ec805.png?v=1774882411 Phentolamine Hydrochloride | 73-05-2 Phentolamine Hydrochloride|C4X-22477|73-05-2 https://www.jk-sci.com/products/ts246cs-0115073 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f974775a96835b32523965beb1b72c9.jpg?v=1776477930 Ald-Ph-PEG4-Boc | 1807518-64-4 Ald-Ph-PEG4-Boc|CS-0115073|1807518-64-4 https://www.jk-sci.com/products/ts246cs-0115079 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/764edd15dcd04e2a571624bc69ddec62.jpg?v=1776477938 N-Mal-N-bis(PEG4-NH-Boc) | 2128735-27-1 N-Mal-N-bis(PEG4-NH-Boc)|CS-0115079|2128735-27-1 https://www.jk-sci.com/products/s57c4x-22528 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5317796 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91bb3c2e878a07998d7ef6f850fc4483.jpg?v=1776337340 Isoxazole-4-carbaldehyde | 65373-53-7 Isoxazole-4-carbaldehyde|17796|65373-53-7 https://www.jk-sci.com/products/ts246cs-0115098 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6faeabf64f6a3bab2ae916915b0c6610_ed5f3e32-fef9-4f2f-b11b-816f2c605105.jpg?v=1776477947 α-Lipoic acid-NHS | 40846-94-4 α-Lipoic acid-NHS|CS-0115098|40846-94-4 https://www.jk-sci.com/products/ts246cs-0115107 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/712f0911d8c771bf9b66545de190cdfd.jpg?v=1776477958 N-(Azido-PEG2)-N-Boc-PEG3-Boc | 2093153-07-0 N-(Azido-PEG2)-N-Boc-PEG3-Boc|CS-0115107|2093153-07-0 https://www.jk-sci.com/products/s57c4x-225321 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ebe0969f13df53a8fcef470eaea2a9a.jpg?v=1776417391 Bilastine Impurity 21 | 953071-73-3 Bilastine Impurity 21|C4X-225321|953071-73-3 https://www.jk-sci.com/products/ts246cs-0115122 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c286dbe440423b714d1f6d8b18d03ee.jpg?v=1776477967 Amino-PEG3-CH2COOH | 134978-99-7 Amino-PEG3-CH2COOH|CS-0115122|134978-99-7 https://www.jk-sci.com/products/j5318149 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48db23a18e0e1ddd2f6e9d8169aaf97e.jpg?v=1776338071 7-Amino-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester | 171049-41-5 7-Amino-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester|18149|171049-41-5 https://www.jk-sci.com/products/s57c4x-225330 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1be6c0488595015ab61b339ad00937b.jpg?v=1776417397 N1-Nitroso Bilastine | 2731008-04-9 N1-Nitroso Bilastine|C4X-225330|2731008-04-9 https://www.jk-sci.com/products/j5318303 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831b89174361500f003128e8a5c39b9b.jpg?v=1776338330 (4-Pyridin-4-yl-phenyl)acetic acid | 55397-08-5 (4-Pyridin-4-yl-phenyl)acetic acid|18303|55397-08-5 https://www.jk-sci.com/products/j5318024 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7709011996320e05188317ce2af8226d.jpg?v=1776337796 3-Bromo-2-methoxy-pyridine | 13472-59-8 3-Bromo-2-methoxy-pyridine|18024|13472-59-8 https://www.jk-sci.com/products/s57c4x-22558 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e0c7672-628d-4f0b-9425-9f055f5f5a5f.png?v=1774662199 Polymyxin B1 XAcetate Polymyxin B1 XAcetate|C4X-22558 https://www.jk-sci.com/products/ts246cs-0115140 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f342f7fc20cf077e2172e3ca69b9055f.jpg?v=1776477975 N-(Boc-PEG1)-N-bis(PEG2-propargyl) | 2100306-63-4 N-(Boc-PEG1)-N-bis(PEG2-propargyl)|CS-0115140|2100306-63-4 https://www.jk-sci.com/products/s57c4x-225374 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_94c502d4-5a69-49d1-b509-47b293b9da5f.png?v=1774962721 Bilastine Impurity 74 Bilastine Impurity 74|C4X-225374 https://www.jk-sci.com/products/ts246cs-0115163 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e85664bca797f977cc7b82ccc9cae16.jpg?v=1776477987 (R)-2,2-Dimethyl-1-(5-methylfuran-2-yl)propan-1-amine hydrochloride | 2170760-93-5 (R)-2,2-Dimethyl-1-(5-methylfuran-2-yl)propan-1-amine hydrochloride|CS-0115163|2170760-93-5 https://www.jk-sci.com/products/ts246cs-0115166 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2cf84a3a5c8371c6f5a66b9a716e25fe.jpg?v=1776477992 (2-Pyridyldithio)-PEG4-alcohol | 851961-99-4 (2-Pyridyldithio)-PEG4-alcohol|CS-0115166|851961-99-4 https://www.jk-sci.com/products/ts246cs-0115195 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b410c0a1662f93c18e9a59630dd9d0.jpg?v=1776478011 N-Benzyl-N-bis-PEG2 | 119580-47-1 N-Benzyl-N-bis-PEG2|CS-0115195|119580-47-1 https://www.jk-sci.com/products/s57c4x-225513 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7eaa4bf9-eb51-45d2-ad85-3ca50a4ed574.png?v=1774972021 Polymyxin B3 XTFA Salt Polymyxin B3 XTFA Salt|C4X-225513 https://www.jk-sci.com/products/j5318489 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ca925b1b16d977a138a0ff7a87309cc.jpg?v=1776338506 1-Chloro-6-methoxy-isoquinoline | 132997-77-4 1-Chloro-6-methoxy-isoquinoline|18489|132997-77-4 https://www.jk-sci.com/products/ts246cs-0115215 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc2fa1c1d9dc2324f9ba1572a32ff952.jpg?v=1776478021 Azido-PEG3-NHS ester | 1092654-47-1 Azido-PEG3-NHS ester|CS-0115215|1092654-47-1 https://www.jk-sci.com/products/ts246cs-0115258 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a3fae8186d2b70cddd5b6b6d79a475a.jpg?v=1776478039 Azido-PEG2-C1-Boc | 251564-45-1 Azido-PEG2-C1-Boc|CS-0115258|251564-45-1 https://www.jk-sci.com/products/ts246cs-0115290 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c106178f51e961e7648510381cce66ae.jpg?v=1776478061 N-(Azido-PEG2)-N-bis(PEG4-Boc) | 2112731-81-2 N-(Azido-PEG2)-N-bis(PEG4-Boc)|CS-0115290|2112731-81-2 https://www.jk-sci.com/products/ts246cs-0115358 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/905db1a43d298f8ca26805193127771e.jpg?v=1776478075 N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester | 2100306-76-9 N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester|CS-0115358|2100306-76-9 https://www.jk-sci.com/products/j5318699 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d81d44f9270411a2092305378996845.jpg?v=1776338759 2-Chloro-4-methyl-thiazole | 26847-01-8 2-Chloro-4-methyl-thiazole|18699|26847-01-8 https://www.jk-sci.com/products/s57c4x-22567 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363988_b7ca07de-11b4-4bf5-9c19-a2f43b0d3a91.png?v=1775135615 Chlorhexidine Digluconate EP Impurity E | 45964-97-4 Chlorhexidine Digluconate EP Impurity E|C4X-22567|45964-97-4 https://www.jk-sci.com/products/s57c4x-225712 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-2259 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bd327d52805a4834f4f1a77483c87d7.jpg?v=1776417414 Levalbuterol HCl | 50293-90-8 Levalbuterol HCl|C4X-2259|50293-90-8 https://www.jk-sci.com/products/s57c4x-226014 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d70459b67229fcd6e909f02e12d57d5_05dafffa-c92e-4190-9251-418bc69f6841.jpg?v=1776417426 Baricitinib Impurity 14 | 1029716-44-6 Baricitinib Impurity 14|C4X-226014|1029716-44-6 https://www.jk-sci.com/products/j5318788 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6755956f5aeeaf9151074213a6997a05.jpg?v=1776338871 2-p-Tolyl-thiazole-4-carbaldehyde | 55327-29-2 2-p-Tolyl-thiazole-4-carbaldehyde|18788|55327-29-2 https://www.jk-sci.com/products/j5318868 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d32b2d106c277b9134f6ff804ba981f.jpg?v=1776338973 3-Aminopyridine-2-carboxylic acid amide | 50608-99-6 3-Aminopyridine-2-carboxylic acid amide|18868|50608-99-6 https://www.jk-sci.com/products/s57c4x-22602 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6274cde917ea35e2943df2c21bd72594.jpg?v=1776417437 Baricitinib Impurity 2 | 2964606-44-6 Baricitinib Impurity 2|C4X-22602|2964606-44-6 https://www.jk-sci.com/products/ts246cs-0115369 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554184.png?v=1776478083 Aminoethyl-SS-propionic acid | 15579-00-7 Aminoethyl-SS-propionic acid|CS-0115369|15579-00-7 https://www.jk-sci.com/products/s57c4x-226026 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f816d91a-6b87-42ca-b72a-31606a4a84eb.png?v=1774962729 Baricitinib Impurity 26 Baricitinib Impurity 26|C4X-226026 https://www.jk-sci.com/products/ts246cs-0109951 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c001f20f84ac0bb581a51e6169520bf.jpg?v=1776475499 [2,2'-Bis(4-tertbutylpyridine)]bis[2-(4-tertbutylphenyl) pyridine] iridium(III)hexafluorophosphate | 1570275-52-3 [2,2'-Bis(4-tertbutylpyridine)]bis[2-(4-tertbutylphenyl) pyridine] iridium(III)hexafluorophosphate|CS-0109951|1570275-52-3 https://www.jk-sci.com/products/ts246cs-0112577 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7981b74fe44086777d6875b89200c66b.jpg?v=1776476829 3-Hydroxycyclopentane-1-carboxylic acid | 101080-22-2 3-Hydroxycyclopentane-1-carboxylic acid|CS-0112577|101080-22-2 https://www.jk-sci.com/products/ts246cs-0113048 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232813.png?v=1776477112 3-Amino-3-(4-methoxyphenyl)propanoic acid | 5678-45-5 3-Amino-3-(4-methoxyphenyl)propanoic acid|CS-0113048|5678-45-5 https://www.jk-sci.com/products/s57c4x-226035 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c08e1727cf5ca665063d382c424bfa9.jpg?v=1776417449 Baricitinib Impurity 35 | 25240-33-9 Baricitinib Impurity 35|C4X-226035|25240-33-9 https://www.jk-sci.com/products/s57c4x-226039 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e4ecd6bed0fec94f448cab2a2f1064d.jpg?v=1776417463 Baricitinib Impurity 39 | 1146629-76-6 Baricitinib Impurity 39|C4X-226039|1146629-76-6 https://www.jk-sci.com/products/j5318903 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a23bd0ac13604cc0fdfaecc7e5cfa87a.jpg?v=1776339061 3-(N-Fmoc-amino)pyrrolidine hydrochloride | 400653-43-2 3-(N-Fmoc-amino)pyrrolidine hydrochloride|18903|400653-43-2 https://www.jk-sci.com/products/s57c4x-226052 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5319065 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fee19bb533493c745f0a905cdce251f.jpg?v=1776339282 5-Amino-1H-indazole-3-carboxylic acid | 78155-77-8 5-Amino-1H-indazole-3-carboxylic acid|19065|78155-77-8 https://www.jk-sci.com/products/j5318980 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecb1c34bb3e28b10d1e3cfab3c1f466d.jpg?v=1776339156 4-Bromo-2-methoxybenzonitrile | 330793-38-9 4-Bromo-2-methoxybenzonitrile|18980|330793-38-9 https://www.jk-sci.com/products/ts246cs-0113921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a851ba48a296ac0c1bd736a19c9e661d.jpg?v=1776477332 Tert-butyl 3-iodo-2-methoxybenzoate | 1613269-59-2 Tert-butyl 3-iodo-2-methoxybenzoate|CS-0113921|1613269-59-2 https://www.jk-sci.com/products/j5319118 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e5772e3764080460cabe410d07ba6f2.jpg?v=1776339415 5-Fluoro-3-iodo-1H-indazole | 858629-06-8 5-Fluoro-3-iodo-1H-indazole|19118|858629-06-8 https://www.jk-sci.com/products/ts246cs-0114418 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cea55bf40f1240f65ec5955a08f052a.jpg?v=1776477507 Amino-PEG2-(CH2)3COOH | 1263046-77-0 Amino-PEG2-(CH2)3COOH|CS-0114418|1263046-77-0 https://www.jk-sci.com/products/s57c4x-22606 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed4e20220947cd01e2c58226bbc73ed7.jpg?v=1776417478 Baricitinib Impurity 6 | 2271228-51-2 Baricitinib Impurity 6|C4X-22606|2271228-51-2 https://www.jk-sci.com/products/s57c4x-226065 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-226076 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_924c39b5-1137-4ceb-bf5e-603fe888eaee.png?v=1774667997 Baricitinib Impurity 76 Baricitinib Impurity 76|C4X-226076 https://www.jk-sci.com/products/s57c4x-22609 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3f828ccc-3975-4f37-9e54-12c5a88c95d2.png?v=1774640870 Baricitinib Impurity 9 Baricitinib Impurity 9|C4X-22609 https://www.jk-sci.com/products/ts246cs-0114596 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325417.png?v=1776477647 N-Methylbenzamide | 613-93-4 N-Methylbenzamide|CS-0114596|613-93-4 https://www.jk-sci.com/products/ts246cs-0114697 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbe52aa504d8949cb252016e6be1bc54.jpg?v=1776477699 Methylamino-PEG2-Boc | 1807521-04-5 Methylamino-PEG2-Boc|CS-0114697|1807521-04-5 https://www.jk-sci.com/products/s57c4x-226712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87d4c5bd-42f6-49a6-88b1-09c3e5a9a37c.png?v=1774642583 Emedastine Impurity 12 Emedastine Impurity 12|C4X-226712 https://www.jk-sci.com/products/s57c4x-22632 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602529_ab8d48b5-e5c6-48be-9866-45941904729c.png?v=1774984954 Metamizole EP Impurity B (Ampyrone) | 83-07-8 Metamizole EP Impurity B (Ampyrone)|C4X-22632|83-07-8 https://www.jk-sci.com/products/j5319150 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/849dfa3058f08a5eb90a518d453c5888.jpg?v=1776339476 3-tert-Butyl-1-(2-chlorophenyl)-1H-pyrazol-5-amine | 956397-18-5 3-tert-Butyl-1-(2-chlorophenyl)-1H-pyrazol-5-amine|19150|956397-18-5 https://www.jk-sci.com/products/s57c4x-226720 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f7ed4a7-c998-4440-b2fa-c645bbed5cd5.png?v=1774710319 Emedastine Impurity 20 Emedastine Impurity 20|C4X-226720 https://www.jk-sci.com/products/s57c4x-226730 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d308ef48-dbb1-42ce-bc48-3db2b216d933.png?v=1774733387 Emedastine Impurity 30 Emedastine Impurity 30|C4X-226730 https://www.jk-sci.com/products/s57c4x-226739 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_668f4717-9706-4818-a807-f1a2de1c3636.png?v=1774984957 Emedastine Impurity 39 Emedastine Impurity 39|C4X-226739 https://www.jk-sci.com/products/s57c4x-22679 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3baa78cafc7728eb2a9114cfb9935540.jpg?v=1776417506 Emedastine N-Oxide | 122484-65-5 Emedastine N-Oxide|C4X-22679|122484-65-5 https://www.jk-sci.com/products/ts246cs-0114737 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cc4d7560262ed3aae59bc6635eeb409.jpg?v=1776477721 N-Boc-PEG5-alcohol | 1404111-67-6 N-Boc-PEG5-alcohol|CS-0114737|1404111-67-6 https://www.jk-sci.com/products/s57c4x-22741 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-22755 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/040e1ed59efb263c20331bbdaeb5284e.jpg?v=1776417519 Moxidectin EP Impurity E | 2482741-71-7 Moxidectin EP Impurity E|C4X-22755|2482741-71-7 https://www.jk-sci.com/products/s57c4x-22815 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274973_031737e3-0d62-499b-a686-1a4ccc1a6040.png?v=1774664972 Citric Acid Impurity 5 | 5949-29-1 Citric Acid Impurity 5|C4X-22815|5949-29-1 https://www.jk-sci.com/products/s57c4x-22793 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed538a65-4470-492e-9eb4-fddefcc484f9.png?v=1774660086 Eperisone Impurity 3 Eperisone Impurity 3|C4X-22793 https://www.jk-sci.com/products/ts246cs-0114797 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14292b35e81e1377ba90442beabece9c.jpg?v=1776477749 m-PEG5-NH2 | 5498-83-9 m-PEG5-NH2|CS-0114797|5498-83-9 https://www.jk-sci.com/products/s57c4x-228711 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-228724 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9accf420-d1bb-4780-8c44-d43f6c276899.png?v=1774892945 Carteolol Impurity 24 Carteolol Impurity 24|C4X-228724 https://www.jk-sci.com/products/s57c4x-22879 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-22914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245182_dea103f5-c62c-4abc-94f0-28266c2976f4.png?v=1774644759 Carbazochrome Sodium Sulfonate | 51460-26-5 Carbazochrome Sodium Sulfonate|C4X-22914|51460-26-5 https://www.jk-sci.com/products/s57c4x-229315 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6566bcc3-0675-48b3-ba45-bc9dc0c7af8e.png?v=1774969803 [Asp5]-Atosiban TFA Salt [Asp5]-Atosiban TFA Salt|C4X-229315 https://www.jk-sci.com/products/s57c4x-22922 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421455_0a13b46e-7026-45d1-9917-0fdd2b299912.png?v=1774670941 Melatonin Impurity 2 | 1210-83-9 Melatonin Impurity 2|C4X-22922|1210-83-9 https://www.jk-sci.com/products/ts246cs-0114866 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc2f57f4a3018a04ce9139e72251ec2.jpg?v=1776477776 N-(Boc-PEG4)-NH-PEG4-NH-Boc | 2112737-17-2 N-(Boc-PEG4)-NH-PEG4-NH-Boc|CS-0114866|2112737-17-2 https://www.jk-sci.com/products/j5319213 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa4f9aa94a6540678ca33794db048105.jpg?v=1776339587 6-Fluoro-2,3-dihydro-1H-indole | 2343-23-9 6-Fluoro-2,3-dihydro-1H-indole|19213|2343-23-9 https://www.jk-sci.com/products/s57c4x-229320 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_40e6dd54-9af3-4c3b-b047-b4f88161a014.png?v=1774722271 [Asp5,Gly9-OH]-Atosiban TFA Salt [Asp5,Gly9-OH]-Atosiban TFA Salt|C4X-229320 https://www.jk-sci.com/products/j5319174 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3bb7d4a8eca8ab1a0b99984c19c43d.jpg?v=1776339511 6-Bromo-1,2,3,4-tetrahydronaphthalen-2-ylamine hydrochloride | 133277-08-4 6-Bromo-1,2,3,4-tetrahydronaphthalen-2-ylamine hydrochloride|19174|133277-08-4 https://www.jk-sci.com/products/s57c4x-229326 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e8fce55-c4b1-4847-9cf5-01afe23d2f6b.png?v=1775155215 [δ-Ava7]-Atosiban TFA Salt [δ-Ava7]-Atosiban TFA Salt|C4X-229326 https://www.jk-sci.com/products/ts246cs-0114899 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4a0a26112a83c0be221103c3b5c4360.jpg?v=1776477802 N-Boc-N-bis(PEG4-acid) | 2093152-88-4 N-Boc-N-bis(PEG4-acid)|CS-0114899|2093152-88-4 https://www.jk-sci.com/products/s57c4x-229334 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad34fef1-eaa8-41d1-a187-cd74b70fdbc1.png?v=1774884864 [L-Tyr(Et)2]-Atosiban [L-Tyr(Et)2]-Atosiban|C4X-229334 https://www.jk-sci.com/products/s57c4x-229341 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-229347 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4f2f7c5c-014b-4b28-9fa0-075644d146e9.png?v=1775055999 [D-Asu5]-Atosiban [D-Asu5]-Atosiban|C4X-229347 https://www.jk-sci.com/products/s57c4x-229355 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df3449d47dfaa09b937df4f128dcbf48.jpg?v=1776417550 Atosiban Impurity 55 | 60195-82-6 Atosiban Impurity 55|C4X-229355|60195-82-6 https://www.jk-sci.com/products/s57c4x-22958 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489d0193e7412797d66aeaf8489c172c.jpg?v=1776417564 Dienogest EP Impurity G | 86153-38-0 Dienogest EP Impurity G|C4X-22958|86153-38-0 https://www.jk-sci.com/products/s57c4x-22952 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c15fc8552dd3b6fc858cf2f88884a01.jpg?v=1776417555 Dienogest EP Impurity A | 86153-39-1 Dienogest EP Impurity A|C4X-22952|86153-39-1 https://www.jk-sci.com/products/j5319230 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50a160f970b9a5c502ad32ac339f5f2c.jpg?v=1776339610 6-Methyl-Chroman-4-ylamine Hydrochloride | 638220-39-0 6-Methyl-Chroman-4-ylamine Hydrochloride|19230|638220-39-0 https://www.jk-sci.com/products/ts246cs-0114922 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15189f2832063d0e0dcdc62b08ffcaf5.jpg?v=1776477813 Acid-PEG4-S-S-PEG4-acid | 2055015-40-0 Acid-PEG4-S-S-PEG4-acid|CS-0114922|2055015-40-0 https://www.jk-sci.com/products/j5319258 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87aaf735f3bfbe0aa5d404a3e83845b7.jpg?v=1776339652 7-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride | 43207-78-9 7-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride|19258|43207-78-9 https://www.jk-sci.com/products/s57c4x-22962 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a76056917562fd49d8b981dfd690d08d.jpg?v=1776417568 Kukoamine B（~10% Acetic acid） | 164991-67-7 Kukoamine B（~10% Acetic acid）|C4X-22962|164991-67-7 https://www.jk-sci.com/products/ts246cs-0114948 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a1b5e523799f355f6c6857c2ec3648.jpg?v=1776477838 Hydroxy-PEG2-C2-methyl ester | 457897-73-3 Hydroxy-PEG2-C2-methyl ester|CS-0114948|457897-73-3 https://www.jk-sci.com/products/j5319313 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f7bb511658d0336180846a1448886b4.jpg?v=1776339699 (2-Methyl-imidazo[1,2-a]pyridin-3-yl)methylamine | 34164-91-5 (2-Methyl-imidazo[1,2-a]pyridin-3-yl)methylamine|19313|34164-91-5 https://www.jk-sci.com/products/j5319374 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d14f72cd4043b5eac91595f8f2f3347.jpg?v=1776339753 Pyrazolo[1,5-a]pyridin-3-yl-methylamine hydrochloride | 118054-99-2 Pyrazolo[1,5-a]pyridin-3-yl-methylamine hydrochloride|19374|118054-99-2 https://www.jk-sci.com/products/j5319384 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1da555c039dd854202208c5e01fd97e2.jpg?v=1776339778 Dimethyl-morpholin-2-ylmethylamine | 122894-56-8 Dimethyl-morpholin-2-ylmethylamine|19384|122894-56-8 https://www.jk-sci.com/products/j5319416 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2587387fbef95616c8573f2b2c933ba2.jpg?v=1776339814 Imidazo[1,5-a]pyridine-5-carboxylic acid | 885276-19-7 Imidazo[1,5-a]pyridine-5-carboxylic acid|19416|885276-19-7 https://www.jk-sci.com/products/s57c4x-229710 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0114978 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c1e505276390c40292de842fa959baa.jpg?v=1776477858 N-Azido-PEG4-N-Boc-N-PEG3-Boc | 2093152-85-1 N-Azido-PEG4-N-Boc-N-PEG3-Boc|CS-0114978|2093152-85-1 https://www.jk-sci.com/products/ts246cs-0115003 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f50b8510f0b3038ab289f15e79b3b884.jpg?v=1776477878 N-(Hydroxy-PEG3)-N-bis(PEG4-Boc) | 2112734-70-8 N-(Hydroxy-PEG3)-N-bis(PEG4-Boc)|CS-0115003|2112734-70-8 https://www.jk-sci.com/products/ts246cs-0115026 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f09d3d499a8f4a1291ea4d46429a2232.jpg?v=1776477900 HO-PEG13-OH | 17598-96-8 HO-PEG13-OH|CS-0115026|17598-96-8 https://www.jk-sci.com/products/ts246cs-0115067 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90627ae8af86c7f5cdc110f331b5aa9e.jpg?v=1776477925 Boc-N-PEG1-C2-NHS ester | 1260092-55-4 Boc-N-PEG1-C2-NHS ester|CS-0115067|1260092-55-4 https://www.jk-sci.com/products/ts246cs-0115083 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed79dd99f14250578ce29a93c13dfa37.jpg?v=1776477945 N-(Propargyl-PEG4)-biocytin | 2055042-71-0 N-(Propargyl-PEG4)-biocytin|CS-0115083|2055042-71-0 https://www.jk-sci.com/products/s57c4x-229715 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7148d30d-b677-4f6a-aeea-a7ed7e78c64d.png?v=1774660089 Tegoprazan Impurity 15 Tegoprazan Impurity 15|C4X-229715 https://www.jk-sci.com/products/s57c4x-229719 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b94e1eec595f13093dca4c3970744e73.jpg?v=1776417577 Tegoprazan Impurity 19 | 2168520-25-8 Tegoprazan Impurity 19|C4X-229719|2168520-25-8 https://www.jk-sci.com/products/ts246cs-0115117 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4bb1701e801adeabb7dec787f6c618f.jpg?v=1776477963 NH-bis(PEG3-Boc) | 1814901-03-5 NH-bis(PEG3-Boc)|CS-0115117|1814901-03-5 https://www.jk-sci.com/products/ts246cs-0115149 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75fec59886b53fb77e5c2674829580e4.jpg?v=1776477980 Methyltetrazine-PEG5-NHS ester | 1802907-92-1 Methyltetrazine-PEG5-NHS ester|CS-0115149|1802907-92-1 https://www.jk-sci.com/products/ts246cs-0115185 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c114cbac4f98fea151e5c9f067eb2c4.jpg?v=1776478000 3,4-Dibromo-Mal-PEG2-N-Boc | 1807537-43-4 3,4-Dibromo-Mal-PEG2-N-Boc|CS-0115185|1807537-43-4 https://www.jk-sci.com/products/ts246cs-0115226 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/727257b2403d12020325b680e0275b4c.jpg?v=1776478024 Azido-PEG4-4-nitrophenyl carbonate | 1422540-98-4 Azido-PEG4-4-nitrophenyl carbonate|CS-0115226|1422540-98-4 https://www.jk-sci.com/products/j5319453 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19cab99dc4f04494f97d9c2cb47fe161.jpg?v=1776339864 Morpholin-2-yl-acetic acid hydrochloride | 1187929-25-4 Morpholin-2-yl-acetic acid hydrochloride|19453|1187929-25-4 https://www.jk-sci.com/products/ts246cs-0115296 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7357808dd87e771fc65b4b4de597eae2.jpg?v=1776478069 Hydroxy-PEG9-Boc | 2055042-66-3 Hydroxy-PEG9-Boc|CS-0115296|2055042-66-3 https://www.jk-sci.com/products/j5319482 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d272df1aa66109613e56b10e3ca2b63.jpg?v=1776339931 Pyrazolo[1,5-a]pyridin-3-ylamine dihydrochloride | 136548-72-6 Pyrazolo[1,5-a]pyridin-3-ylamine dihydrochloride|19482|136548-72-6 https://www.jk-sci.com/products/ts246cs-0115448 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2b3a4736461d532874becaf4a078fb.jpg?v=1776478103 N-(Boc-PEG2)-N-bis(PEG3-azide) | 2353409-46-6 N-(Boc-PEG2)-N-bis(PEG3-azide)|CS-0115448|2353409-46-6 https://www.jk-sci.com/products/ts246cs-0115480 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/982dff1f964b6c7bb0cfa516fdb220d0.jpg?v=1776478122 N-(Amino-PEG3)-N-bis(PEG4-Boc) | 2353409-57-9 N-(Amino-PEG3)-N-bis(PEG4-Boc)|CS-0115480|2353409-57-9 https://www.jk-sci.com/products/ts246cs-0115513 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315807.png?v=1776478131 Methyl phenyl carbonate | 13509-27-8 Methyl phenyl carbonate|CS-0115513|13509-27-8 https://www.jk-sci.com/products/ts246cs-0115587 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f46fe280ab642584b94c60c9ce19fc2.jpg?v=1776478151 3-Bromo-6-chloro-2-fluorobenzaldehyde | 886615-30-1 3-Bromo-6-chloro-2-fluorobenzaldehyde|CS-0115587|886615-30-1 https://www.jk-sci.com/products/ts246cs-0115681 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/033fdf642e93ec71d4c4848eac13bbfb.jpg?v=1776478162 N-(PEG2-Boc)-N-bis(PEG2-propargyl) | 2100306-69-0 N-(PEG2-Boc)-N-bis(PEG2-propargyl)|CS-0115681|2100306-69-0 https://www.jk-sci.com/products/j5319505 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fee80b70222e679e3621c0b539737a26.jpg?v=1776339964 Quinoline-4-carboxylic acid hydrazide | 29620-62-0 Quinoline-4-carboxylic acid hydrazide|19505|29620-62-0 https://www.jk-sci.com/products/s57c4x-22973 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb7ea3806316faffaa79011c8eecdcbc.jpg?v=1776417582 Tegoprazan Impurity 3 | 1640981-19-6 Tegoprazan Impurity 3|C4X-22973|1640981-19-6 https://www.jk-sci.com/products/ts246cs-0115769 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463440e1ec6210b3384c81c08e198b70.jpg?v=1776478171 Mal-NH-Boc | 134272-63-2 Mal-NH-Boc|CS-0115769|134272-63-2 https://www.jk-sci.com/products/j5319591 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fce77db2d6673dfa1f6a9a09340c1dc.jpg?v=1776340007 (4-Piperidin-4-yl-phenyl)methanol hydrochloride | 885274-59-9 (4-Piperidin-4-yl-phenyl)methanol hydrochloride|19591|885274-59-9 https://www.jk-sci.com/products/j5319714 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a72d0edfb420945106c853ef35c65990.jpg?v=1776340050 1-(3-Aminopropyl)homopiperidine dihydrochloride | 3437-33-0 1-(3-Aminopropyl)homopiperidine dihydrochloride|19714|3437-33-0 https://www.jk-sci.com/products/j5319779 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f8aa6e8c810fc3ce150dbcd99969bc1.jpg?v=1776340091 1-Boc-4-(4-aminophenyl)piperazine dihydrochloride | 193902-64-6 1-Boc-4-(4-aminophenyl)piperazine dihydrochloride|19779|193902-64-6 https://www.jk-sci.com/products/ts246cs-0115866 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80594e3cd0bd19d054ce1a2fe2f2670f.jpg?v=1776478181 (2,3-Dichloro-4-formylphenyl)boronic acid | 352535-89-8 (2,3-Dichloro-4-formylphenyl)boronic acid|CS-0115866|352535-89-8 https://www.jk-sci.com/products/j5319841 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c771b5170e8a570572d36eda7e85ed9.jpg?v=1776340132 1-Isopropyl-1-tosylmethyl isocyanide | 58379-84-3 1-Isopropyl-1-tosylmethyl isocyanide|19841|58379-84-3 https://www.jk-sci.com/products/j5319837 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be1b32db18b800b87dbb8df1a5c156b3.jpg?v=1776340124 1H-Indazole-6-carbonitrile | 141290-59-7 1H-Indazole-6-carbonitrile|19837|141290-59-7 https://www.jk-sci.com/products/ts246cs-0116034 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ecf947af5fcf8c3b32c44d4efc86ccb.jpg?v=1776478201 TCO-OH | 85081-69-2 TCO-OH|CS-0116034|85081-69-2 https://www.jk-sci.com/products/ts246cs-0116134 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161571.png?v=1776478229 5-(2-Methoxy-4-nitrophenyl)oxazole | 198821-78-2 5-(2-Methoxy-4-nitrophenyl)oxazole|CS-0116134|198821-78-2 https://www.jk-sci.com/products/j5319862 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b94b9e4837b9fd7d14f048aec3187c7.jpg?v=1776340159 1-Pyridin-3-yl-propan-2-one hydrochloride | 69966-56-9 1-Pyridin-3-yl-propan-2-one hydrochloride|19862|69966-56-9 https://www.jk-sci.com/products/j5319895 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff311225a1826fbfb4caa1f14eb22850.jpg?v=1776340169 2-(4-Bromophenyl)oxazole | 176961-50-5 2-(4-Bromophenyl)oxazole|19895|176961-50-5 https://www.jk-sci.com/products/ts246cs-0116274 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c432b4815ffe74cf054ee1fe6924429a.jpg?v=1776478246 Cbz-NH-PEG3-CH2COOH | 462100-05-6 Cbz-NH-PEG3-CH2COOH|CS-0116274|462100-05-6 https://www.jk-sci.com/products/s57c4x-229743 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36e0f6d7a8cb7469f2a32f490fb77894.jpg?v=1776417590 Tegoprazan impurity 43 | 844648-19-7 Tegoprazan impurity 43|C4X-229743|844648-19-7 https://www.jk-sci.com/products/ts246cs-0116291 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff6d050f04592aef9ac281ba1d039be3_72947000-a30f-484e-a8ab-6a73950b0d1c.jpg?v=1776478255 Cbz-NH-PEG2-CH2COOH | 165454-06-8 Cbz-NH-PEG2-CH2COOH|CS-0116291|165454-06-8 https://www.jk-sci.com/products/ts246cs-0116311 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101690.png?v=1776478269 (+)-Biotin-ONP | 33755-53-2 (+)-Biotin-ONP|CS-0116311|33755-53-2 https://www.jk-sci.com/products/ts246cs-0116339 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47cc13b295a26a035c26ca116eb113f2.jpg?v=1776478278 6-Bromo-N1-methylbenzene-1,2-diamine | 1150102-47-8 6-Bromo-N1-methylbenzene-1,2-diamine|CS-0116339|1150102-47-8 https://www.jk-sci.com/products/s57c4x-22982 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19c2a168-3e48-4caa-abe4-bad6de4270d4.png?v=1774741501 Lactulose Impurity F Lactulose Impurity F|C4X-22982 https://www.jk-sci.com/products/ts246cs-0116442 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213031.png?v=1776478300 tert-Butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)carbamate | 330794-35-9 tert-Butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)carbamate|CS-0116442|330794-35-9 https://www.jk-sci.com/products/ts246cs-0116522 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458628.png?v=1776478323 4-[(4-Bromobenzyl)oxy]benzaldehyde | 149833-95-4 4-[(4-Bromobenzyl)oxy]benzaldehyde|CS-0116522|149833-95-4 https://www.jk-sci.com/products/j5319971 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08ed5ab338d448008f5408246bc4f86b.jpg?v=1776340236 2-Amino-Imidazo[1,2-a]pyridine-6-carboxylic acid methyl ester | 885272-05-9 2-Amino-Imidazo[1,2-a]pyridine-6-carboxylic acid methyl ester|19971|885272-05-9 https://www.jk-sci.com/products/j5320136 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790373b14236914380a848d571cdbbe3.jpg?v=1776340361 3-Iodomethyl-pyrrolidine-1-carboxylic acid tert-butyl ester | 479622-36-1 3-Iodomethyl-pyrrolidine-1-carboxylic acid tert-butyl ester|20136|479622-36-1 https://www.jk-sci.com/products/s57c4x-22977 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37265bc5d557a8e612a771c5507cb81e.jpg?v=1776417596 Tegoprazan Impurity 7 | 39269-74-4 Tegoprazan Impurity 7|C4X-22977|39269-74-4 https://www.jk-sci.com/products/s57c4x-23004 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234033.png?v=1774666019 Tiapride Impurity 4 | 50390-76-6 Tiapride Impurity 4|C4X-23004|50390-76-6 https://www.jk-sci.com/products/s57c4x-23002 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22da72ada93f220ad859b94bd8895821.jpg?v=1776417602 Tiapride Impurity 2 | 98517-73-8 Tiapride Impurity 2|C4X-23002|98517-73-8 https://www.jk-sci.com/products/j5320204 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01cc922f40205937dd46f926a9413186.jpg?v=1776340415 4-(5-Phenyl-thiazol-2-yl)piperidine | 885274-68-0 4-(5-Phenyl-thiazol-2-yl)piperidine|20204|885274-68-0 https://www.jk-sci.com/products/ts246cs-0116604 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3615c954ce6d9fe4b11d5e86da9ee6.jpg?v=1776478322 4-(4-Methyl-1-piperidinyl)aniline | 342013-25-6 4-(4-Methyl-1-piperidinyl)aniline|CS-0116604|342013-25-6 https://www.jk-sci.com/products/j5320127 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214c07c7dc47ff9933fc1466b8b4b112.jpg?v=1776340349 3-Cyclopropyl-3-oxo-propionitrile | 118431-88-2 3-Cyclopropyl-3-oxo-propionitrile|20127|118431-88-2 https://www.jk-sci.com/products/j5320015 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfb3f8d63b84038aa8f13e98d5c386e4.jpg?v=1776340272 2-Chloro-Benzamidine hydrochloride | 45743-05-3 2-Chloro-Benzamidine hydrochloride|20015|45743-05-3 https://www.jk-sci.com/products/j5320151 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca30bedf74d43b4e607664960d582a00.jpg?v=1776340384 3-Propoxy-azetidine hydrochloride | 897019-55-5 3-Propoxy-azetidine hydrochloride|20151|897019-55-5 https://www.jk-sci.com/products/ts246cs-0116668 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3549fb98a78d68d2282b8a778bfc726d.jpg?v=1776478333 3H-Imidazo[4,5-c]pyridine-6-carboxylic acid | 1211590-38-3 3H-Imidazo[4,5-c]pyridine-6-carboxylic acid|CS-0116668|1211590-38-3 https://www.jk-sci.com/products/j5320180 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f61c2ab9eea7bd785533b10e22a6b617.jpg?v=1776340406 4-(3-Chloro-benzyloxy)benzoic acid | 84403-70-3 4-(3-Chloro-benzyloxy)benzoic acid|20180|84403-70-3 https://www.jk-sci.com/products/ts246cs-0116718 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3832d124d1b10f929b957c2a82e9b6fc.jpg?v=1776478342 1-Methyl-1h-pyrrole-3-carbaldehyde | 36929-60-9 1-Methyl-1h-pyrrole-3-carbaldehyde|CS-0116718|36929-60-9 https://www.jk-sci.com/products/j5320040 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad67caa35fcc91569420f0e892a2e0df.jpg?v=1776340290 2-Nitrophenethylamine hydrochloride | 861337-74-8 2-Nitrophenethylamine hydrochloride|20040|861337-74-8 https://www.jk-sci.com/products/j5319941 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cce3ec99251e0f50174f80a9ad44f3f.jpg?v=1776340212 2,4-Dichlorobenzamidine·HCl | 154505-50-7 2,4-Dichlorobenzamidine·HCl|19941|154505-50-7 https://www.jk-sci.com/products/ts246cs-0116767 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae49b886c8287f7294a806237a6034ad.jpg?v=1776478359 3,4-Dibromo-1h-pyrazole | 5932-18-3 3,4-Dibromo-1h-pyrazole|CS-0116767|5932-18-3 https://www.jk-sci.com/products/j5320060 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100144.png?v=1776340300 3-(3-Chlorophenyl)isoxazole-5-carboxylic acid | 100517-43-9 3-(3-Chlorophenyl)isoxazole-5-carboxylic acid|20060|100517-43-9 https://www.jk-sci.com/products/j5320157 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37f9d20bd4896addd4ed309f751e9e88.jpg?v=1776340393 4-(1H-Imidazol-2-yl)benzoic acid | 108035-45-6 4-(1H-Imidazol-2-yl)benzoic acid|20157|108035-45-6 https://www.jk-sci.com/products/j5320239 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af4cce17efeff0a1d6492c150402e9c5.jpg?v=1776340451 4-Bromo-2,3-dihydro-1H-indole | 86626-38-2 4-Bromo-2,3-dihydro-1H-indole|20239|86626-38-2 https://www.jk-sci.com/products/ts246cs-0116846 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575299.png?v=1776478380 2-Chloro-n-(2-chlorophenyl)acetamide | 3289-76-7 2-Chloro-n-(2-chlorophenyl)acetamide|CS-0116846|3289-76-7 https://www.jk-sci.com/products/s57c4x-23011 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601160_382ecae1-3e85-4b33-8af7-0ecd6c3a8ee3.png?v=1775156389 Flutamide EP Impurity A | 393-11-3 Flutamide EP Impurity A|C4X-23011|393-11-3 https://www.jk-sci.com/products/ts246cs-0116979 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/934515.png?v=1776478397 2-(4-Oxocyclohexyl)-1h-isoindole-1,3(2h)-dione | 104618-32-8 2-(4-Oxocyclohexyl)-1h-isoindole-1,3(2h)-dione|CS-0116979|104618-32-8 https://www.jk-sci.com/products/s57c4x-23053 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0117030 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f29e10ef6f51ad64dc50ffd86d6437a.jpg?v=1776478408 (4-Bromo-3-methylphenoxy)acetic acid | 90971-89-4 (4-Bromo-3-methylphenoxy)acetic acid|CS-0117030|90971-89-4 https://www.jk-sci.com/products/s57c4x-230619 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/deee461cc282e552d5ab8818d8d7af78.jpg?v=1776417608 Cyclophosphamide Impurity 19 | 22089-17-4 Cyclophosphamide Impurity 19|C4X-230619|22089-17-4 https://www.jk-sci.com/products/s57c4x-23101 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329925_0f1b9242-f049-449c-8858-21eb87eb8301.png?v=1775056018 Carbidopa EP Impurity A | 555-30-6 Carbidopa EP Impurity A|C4X-23101|555-30-6 https://www.jk-sci.com/products/s57c4x-231012 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-23067 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ba62605619ea0cd6a86e216c90e1b2f.jpg?v=1776417616 Cyclophosphamide EP Impurity F | 1071-28-9 Cyclophosphamide EP Impurity F|C4X-23067|1071-28-9 https://www.jk-sci.com/products/j5320317 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23136fb0c7d032aa5cfdc75892be50b6.jpg?v=1776340508 4-Nitro-2,3-dihydro-1H-indole | 84807-26-1 4-Nitro-2,3-dihydro-1H-indole|20317|84807-26-1 https://www.jk-sci.com/products/j5320288 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03d0a030c2e5cbdebd78336ab490798d.jpg?v=1776340481 4-Fluoro-2,3-dihydro-1H-indole | 552866-98-5 4-Fluoro-2,3-dihydro-1H-indole|20288|552866-98-5 https://www.jk-sci.com/products/ts246cs-0117054 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8243bcffee9d52ad09c9356212023263.jpg?v=1776478420 7-Methyl-5-nitro-1h-indole-2,3-dione | 70343-13-4 7-Methyl-5-nitro-1h-indole-2,3-dione|CS-0117054|70343-13-4 https://www.jk-sci.com/products/j5320336 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36e85bf75ff43227f845d64c6f0405fe.jpg?v=1776340522 5-(4-Methylsulfanyl-phenyl)-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid | 1017781-23-5 5-(4-Methylsulfanyl-phenyl)-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid|20336|1017781-23-5 https://www.jk-sci.com/products/j5320354 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a097137a010273fdfbcb708fafc8cb3.jpg?v=1776340533 5,6-Difluoro-1H-indazole-3-carboxylic acid | 129295-33-6 5,6-Difluoro-1H-indazole-3-carboxylic acid|20354|129295-33-6 https://www.jk-sci.com/products/ts246cs-0117117 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211344.png?v=1776478433 4-Phenyl-1h-pyrrole-3-carboxylic acid | 132040-12-1 4-Phenyl-1h-pyrrole-3-carboxylic acid|CS-0117117|132040-12-1 https://www.jk-sci.com/products/j5320400 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a700388044d24d57448a0cb894296aa.jpg?v=1776340595 5-Ethoxy-1H-indazole | 518990-35-7 5-Ethoxy-1H-indazole|20400|518990-35-7 https://www.jk-sci.com/products/j5320376 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff88e404ce644276ea4fe799b235a50d.jpg?v=1776340561 5-Benzyloxy-1H-indazole | 78299-75-9 5-Benzyloxy-1H-indazole|20376|78299-75-9 https://www.jk-sci.com/products/s57c4x-231014 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0117152 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447770.png?v=1776478442 4-(1H-pyrrol-1-yl)phenol | 23351-09-9 4-(1H-pyrrol-1-yl)phenol|CS-0117152|23351-09-9 https://www.jk-sci.com/products/j5320414 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4090e8963841a1e308437da1532b86f8.jpg?v=1776340615 5-Methoxybenzo[b]thiophene-2-carboxylic acid | 23046-02-8 5-Methoxybenzo[b]thiophene-2-carboxylic acid|20414|23046-02-8 https://www.jk-sci.com/products/ts246cs-0112889 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9540e0bb7c6270041f25b8215f0b7c21.jpg?v=1776476990 (S)-1-(3-Chlorophenyl)propane-1,3-diol | 625095-57-0 (S)-1-(3-Chlorophenyl)propane-1,3-diol|CS-0112889|625095-57-0 https://www.jk-sci.com/products/j5320420 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9bcf443fe5e048981231f78973ea53b.jpg?v=1776340626 5-Methyl-1H-indole-3-carboxylic acid | 10242-02-1 5-Methyl-1H-indole-3-carboxylic acid|20420|10242-02-1 https://www.jk-sci.com/products/s57c4x-23103 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac5f4dabc95c89fdad8f0847473a0adc.jpg?v=1776417631 Carbidopa EP Impurity C | 84488-77-7 Carbidopa EP Impurity C|C4X-23103|84488-77-7 https://www.jk-sci.com/products/j5320435 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d9f2de48425690e71a68aaf4ce395e1.jpg?v=1776340642 5-tert-Butyl-2-(2-methoxyphenyl)-2H-pyrazol-3-ylamine | 862368-61-4 5-tert-Butyl-2-(2-methoxyphenyl)-2H-pyrazol-3-ylamine|20435|862368-61-4 https://www.jk-sci.com/products/s57c4x-23105 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7794912ba6feb7285041130f059f89a.jpg?v=1776417637 Carbidopa EP Impurity E | 52514-63-3 Carbidopa EP Impurity E|C4X-23105|52514-63-3 https://www.jk-sci.com/products/ts246cs-0114288 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d054c00477f863bf7224c893fd2fe26.jpg?v=1776477422 Hydroxy-PEG12-Boc | 2388521-20-6 Hydroxy-PEG12-Boc|CS-0114288|2388521-20-6 https://www.jk-sci.com/products/ts246cs-0114677 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e97ece8655b03fbf7f022ab207b0895e.jpg?v=1776477689 3'-Fluoro-4'-methylacetanilide | 458-10-6 3'-Fluoro-4'-methylacetanilide|CS-0114677|458-10-6 https://www.jk-sci.com/products/s57c4x-232116 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568988_81878317-d2a3-4a72-9805-74c5e8a460c7.png?v=1775078961 Oxacillin Impurity 16 | 1136-45-4 Oxacillin Impurity 16|C4X-232116|1136-45-4 https://www.jk-sci.com/products/s57c4x-23109 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17bb8329-abdf-4827-880f-b3c7987b8311.png?v=1774639195 Carbidopa EP Impurity I Carbidopa EP Impurity I|C4X-23109 https://www.jk-sci.com/products/ts246cs-0114759 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f82cf1e56df7e8f01e8ee694b96fdd60.jpg?v=1776477733 Azido-PEG4-Boc | 581066-04-8 Azido-PEG4-Boc|CS-0114759|581066-04-8 https://www.jk-sci.com/products/s57c4x-232123 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b873ea4fe99f426a607c09448a7886db.jpg?v=1776417647 Oxacillin EP Impurity D | 1642559-63-4 Oxacillin EP Impurity D|C4X-232123|1642559-63-4 https://www.jk-sci.com/products/s57c4x-232120 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0114869 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37dfb2481d59dfda432ebe750fff2b8a.jpg?v=1776477781 Hydroxy-PEG5-C1-Boc | 1807530-05-7 Hydroxy-PEG5-C1-Boc|CS-0114869|1807530-05-7 https://www.jk-sci.com/products/ts246cs-0114937 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462726cf5ab3d52a6200a132819cb305.jpg?v=1776477827 Bromo-PEG2-phosphonic acid diethyl ester | 1226767-94-7 Bromo-PEG2-phosphonic acid diethyl ester|CS-0114937|1226767-94-7 https://www.jk-sci.com/products/s57c4x-23259 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469615.png?v=1775056031 Acetylspiramycin | 24916-51-6 Acetylspiramycin|C4X-23259|24916-51-6 https://www.jk-sci.com/products/s57c4x-23215 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5320478 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6a7ea9f369800d555b70ce1a0eea963.jpg?v=1776340654 6-Amino-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester | 129488-00-2 6-Amino-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester|20478|129488-00-2 https://www.jk-sci.com/products/ts246cs-0114991 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a2367b669eac6a8ae51e1ee8d3eb1b0.jpg?v=1776477863 NH-bis(PEG2-propargyl) | 2100306-83-8 NH-bis(PEG2-propargyl)|CS-0114991|2100306-83-8 https://www.jk-sci.com/products/j5318090 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf83646561d91748b910ab2882970fb8.jpg?v=1776337948 5-(4-Bromophenyl)-2-phenyl-2H-pyrazol-3-ylamine | 201735-04-8 5-(4-Bromophenyl)-2-phenyl-2H-pyrazol-3-ylamine|18090|201735-04-8 https://www.jk-sci.com/products/j5317657 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b137207e9b32b7cb0626f1dba3814b90.jpg?v=1776336973 2-Iodo-3-methoxypyridine | 93560-55-5 2-Iodo-3-methoxypyridine|17657|93560-55-5 https://www.jk-sci.com/products/s57c4x-23317 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d1fce4caec98c82b18f18116c5aa13c.jpg?v=1776417662 4-Epitetracycline | 79-85-6 4-Epitetracycline|C4X-23317|79-85-6 https://www.jk-sci.com/products/s57c4x-2331 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5318451 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc66ed0b07788f275de9d1d632edb36d.jpg?v=1776338442 1,6-Dichloro-isoquinoline | 630421-73-7 1,6-Dichloro-isoquinoline|18451|630421-73-7 https://www.jk-sci.com/products/s57c4x-2330 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423671_a601cd71-26bb-4ae5-8fe9-fce5c1d22b38.png?v=1774724162 Chlortetracycline hydrochloride | 64-72-2 Chlortetracycline hydrochloride|C4X-2330|64-72-2 https://www.jk-sci.com/products/s57c4x-232921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ed979297d6dd5f66103ed1bd8aae594.jpg?v=1776417653 Niraparib Impurity 21 | 1263284-59-8 Niraparib Impurity 21|C4X-232921|1263284-59-8 https://www.jk-sci.com/products/ts246cs-0115041 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f46d9e753e679ebb272ca306f55b0cdb.jpg?v=1776477908 S-acetyl-PEG2-Boc | 1820641-93-7 S-acetyl-PEG2-Boc|CS-0115041|1820641-93-7 https://www.jk-sci.com/products/s57c4x-233211 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5318749 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d18079a09c0efc50c70bc8db04950b12.jpg?v=1776338834 2-(Morpholinomethyl)acrylic acid | 4432-44-4 2-(Morpholinomethyl)acrylic acid|18749|4432-44-4 https://www.jk-sci.com/products/j5318883 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a32fd3359ba09f1baa24ad237c0223bf.jpg?v=1776339006 3-Bromo-Naphthalene-1-carboxylic acid | 16726-66-2 3-Bromo-Naphthalene-1-carboxylic acid|18883|16726-66-2 https://www.jk-sci.com/products/ts246cs-0115104 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430a2b2a060b655e7194fb80417e81bc.jpg?v=1776477955 N-(Boc-PEG3)-N-bis(PEG2-alcohol) | 2055042-60-7 N-(Boc-PEG3)-N-bis(PEG2-alcohol)|CS-0115104|2055042-60-7 https://www.jk-sci.com/products/j5318997 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32130ef0ea222b49960aab4fd0b31897.jpg?v=1776339189 4-Fluoro-3-nitro-benzylamine | 771581-73-8 4-Fluoro-3-nitro-benzylamine|18997|771581-73-8 https://www.jk-sci.com/products/ts246cs-0115164 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c715f54e4b24cf4bc704544f53a5bd2b.jpg?v=1776477989 Amino-PEG2-C2-hydrazide-Boc | 2100306-60-1 Amino-PEG2-C2-hydrazide-Boc|CS-0115164|2100306-60-1 https://www.jk-sci.com/products/ts246cs-0115284 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b37befd9c772726328950cab62b7f75.jpg?v=1776478059 5-Fluoro-3-hydrazonoindolin-2-one | 283584-52-1 5-Fluoro-3-hydrazonoindolin-2-one|CS-0115284|283584-52-1 https://www.jk-sci.com/products/s57c4x-23336 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56c11a0f4e7d23fbd53a16ae17c33233.jpg?v=1776417670 Pefloxacin EP Impurity H | 106847-40-9 Pefloxacin EP Impurity H|C4X-23336|106847-40-9 https://www.jk-sci.com/products/ts246cs-0115374 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268de7c1d2d191a3c2cabe6d02774297.jpg?v=1776478086 Amino-PEG12-acid | 1415408-69-3 Amino-PEG12-acid|CS-0115374|1415408-69-3 https://www.jk-sci.com/products/s57c4x-233412 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c6b5f6c2-d74b-4160-a45b-bcdb7b96eebb.png?v=1784619804 Uridine Impurity 12 | 146426-20-2 Uridine Impurity 12|C4X-233412|146426-20-2 https://www.jk-sci.com/products/ts246cs-0115504 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fd891335dd83d9b1cd39daf0e475848.jpg?v=1776478128 NH-bis(PEG4-Boc) | 2055041-41-1 NH-bis(PEG4-Boc)|CS-0115504|2055041-41-1 https://www.jk-sci.com/products/ts246cs-0115628 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fe3938d4afab4edc600ba65da47bb42.jpg?v=1776478157 2-Amino-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one hydrochloride | 1312412-89-7 2-Amino-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one hydrochloride|CS-0115628|1312412-89-7 https://www.jk-sci.com/products/s57c4x-23343 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2245a4cecb977a087ee6506dde78e763.jpg?v=1776417676 Ribofuranose | 15761-67-8 Ribofuranose|C4X-23343|15761-67-8 https://www.jk-sci.com/products/ts246cs-0115790 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439903_018960e7-49a2-47cf-8140-0377d1231cb6.png?v=1776478176 mPEG-amine (MW 20000) | 80506-64-5 mPEG-amine (MW 20000)|CS-0115790|80506-64-5 https://www.jk-sci.com/products/s57c4x-2338 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225895_4c551e4b-d0fb-44c9-8e46-16c77212b7d3.png?v=1775156397 Homovanillic acid | 306-08-1 Homovanillic acid|C4X-2338|306-08-1 https://www.jk-sci.com/products/ts246cs-0116065 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0248b36420ef0c2dad58bee81dd060e9.jpg?v=1776478209 TCO-NHS ester | 1191901-33-3 TCO-NHS ester|CS-0116065|1191901-33-3 https://www.jk-sci.com/products/s57c4x-2354 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d12e0ca9b0a12a15d7c713d0bc55f34.jpg?v=1776417685 Gonadorelin Acetate | 34973-08-5 Gonadorelin Acetate|C4X-2354|34973-08-5 https://www.jk-sci.com/products/s57c4x-23374 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cce9697192788cd10318a5cf792c04f9.jpg?v=1776417679 Piperaquine Impurity 4 | 86486-21-7 Piperaquine Impurity 4|C4X-23374|86486-21-7 https://www.jk-sci.com/products/s57c4x-2360 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550881_36c7d41d-2982-4ce3-be49-a1025073c823.png?v=1775076508 GLP-1(7-37) | 106612-94-6 GLP-1(7-37)|C4X-2360|106612-94-6 https://www.jk-sci.com/products/ts246cs-0116278 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420548_07618b9d-c2d6-4a7e-a4eb-4b18d2874a97.png?v=1776478252 Biotin-C5-amino-C5-amino | 89889-51-0 Biotin-C5-amino-C5-amino|CS-0116278|89889-51-0 https://www.jk-sci.com/products/j5319125 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c45b09957e17501cdfbf285128b03252.jpg?v=1776339433 5-Methoxy-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester | 99446-53-4 5-Methoxy-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester|19125|99446-53-4 https://www.jk-sci.com/products/s57c4x-2342 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589128.png?v=1774644763 Sermorelin | 86168-78-7 Sermorelin|C4X-2342|86168-78-7 https://www.jk-sci.com/products/ts246cs-0116337 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6151a170437c135583f9590da0c5c266.jpg?v=1776478274 2-Bromo-N-methyl-6-nitroaniline | 1004618-77-2 2-Bromo-N-methyl-6-nitroaniline|CS-0116337|1004618-77-2 https://www.jk-sci.com/products/s57c4x-237317 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273667.png?v=1774726144 Ganirelix Impurity 17 | 129225-22-5 Ganirelix Impurity 17|C4X-237317|129225-22-5 https://www.jk-sci.com/products/ts246cs-0116485 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406199.png?v=1776478302 Boc-NH-C12-NH2 | 109792-60-1 Boc-NH-C12-NH2|CS-0116485|109792-60-1 https://www.jk-sci.com/products/j5319186 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f1a998fa6d2da674a0811ba5cec199f.jpg?v=1776339538 6-Bromo-3-chloro-1H-indazole | 885271-78-3 6-Bromo-3-chloro-1H-indazole|19186|885271-78-3 https://www.jk-sci.com/products/s57c4x-237913 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/165f1e07c8e205422d32a16beeb08682.jpg?v=1776417692 Imrecoxib Impurity 13 | 1338083-52-5 Imrecoxib Impurity 13|C4X-237913|1338083-52-5 https://www.jk-sci.com/products/j5319251 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/085f6f5225f5703381ba108f48126e85.jpg?v=1776339639 7-Chloro-1H-indazole | 37435-12-4 7-Chloro-1H-indazole|19251|37435-12-4 https://www.jk-sci.com/products/ts246cs-0116607 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26cb1936a0ce0eb25a6da777f5185d3.jpg?v=1776478325 N-benzyl-2-cyanoacetamide | 10412-93-8 N-benzyl-2-cyanoacetamide|CS-0116607|10412-93-8 https://www.jk-sci.com/products/s57c4x-23792 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c829b19f-d817-4dc2-9129-42a6ebc07781.png?v=1774734613 Imrecoxib Impurity 92 Imrecoxib Impurity 92|C4X-23792 https://www.jk-sci.com/products/s57c4x-237926 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39c860bd3dea4eba907450126a52d977.jpg?v=1776417700 Imrecoxib Impurity 26 | 2305368-54-9 Imrecoxib Impurity 26|C4X-237926|2305368-54-9 https://www.jk-sci.com/products/s57c4x-238114 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281108.png?v=1775155222 Fluocinolone Acetonide EP Impurity M | 356-12-7 Fluocinolone Acetonide EP Impurity M|C4X-238114|356-12-7 https://www.jk-sci.com/products/s57c4x-23813 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2a7753dd77425a94619b4d47a94ae76_4149171c-05c9-42fe-b8c9-6dd3e1ee0ea7.jpg?v=1776417712 Fluocinolone Acetonide EP Impurity C | 807-38-5 Fluocinolone Acetonide EP Impurity C|C4X-23813|807-38-5 https://www.jk-sci.com/products/s57c4x-23811 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e88f2d5b38ba5ba67a656a23e305fbc7.jpg?v=1776417704 Fluocinolone Acetonide EP Impurity A | 106931-78-6 Fluocinolone Acetonide EP Impurity A|C4X-23811|106931-78-6 https://www.jk-sci.com/products/j5319361 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e3ed00644809ab278191d0bf4b74b5c.jpg?v=1776339725 [3-(3-Chlorophenyl)isoxazol-5-yl]methylamine hydrochloride | 885273-50-7 [3-(3-Chlorophenyl)isoxazol-5-yl]methylamine hydrochloride|19361|885273-50-7 https://www.jk-sci.com/products/j5319410 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e8a588d92b141a6572a716b8861931d.jpg?v=1776339802 Imidazo[1,2-a]pyridine-8-carboxylic acid | 133427-08-4 Imidazo[1,2-a]pyridine-8-carboxylic acid|19410|133427-08-4 https://www.jk-sci.com/products/s57c4x-23814 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0d08d05891c94fa6a8b0d2fb5821ecf.jpg?v=1776417722 Fluocinolone Acetonide EP Impurity D | 13242-30-3 Fluocinolone Acetonide EP Impurity D|C4X-23814|13242-30-3 https://www.jk-sci.com/products/ts246cs-0116725 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136049.png?v=1776478348 4-Methoxybenzohydrazide | 3290-99-1 4-Methoxybenzohydrazide|CS-0116725|3290-99-1 https://www.jk-sci.com/products/s57c4x-23845 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48abb1b3bd91a10a214fb5f836a6e624.jpg?v=1776417740 Acetazolamide EP Impurity F | 80495-47-2 Acetazolamide EP Impurity F|C4X-23845|80495-47-2 https://www.jk-sci.com/products/s57c4x-23848 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-23971 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdd18600439b6146d51131e6dea46bcb.jpg?v=1776417745 O-Desmethyl Methoxyphenamine | 61866-77-1 O-Desmethyl Methoxyphenamine|C4X-23971|61866-77-1 https://www.jk-sci.com/products/s57c4x-239916 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6450493a0fe7e15a899c992bb375726.jpg?v=1776417767 Peridine Impurity 16 | 53484-76-7 Peridine Impurity 16|C4X-239916|53484-76-7 https://www.jk-sci.com/products/s57c4x-23985 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ff059e4dfb108fd6c20f7fbb6e5dbb4.jpg?v=1776417760 Levodropropizine Impurity 5 | 14340-33-1 Levodropropizine Impurity 5|C4X-23985|14340-33-1 https://www.jk-sci.com/products/s57c4x-23982 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f78c242314bed4143fda6b5e2067084.jpg?v=1776417754 Levodropropizine EP Impurity A (Dextrodropropizine) | 99291-24-4 Levodropropizine EP Impurity A (Dextrodropropizine)|C4X-23982|99291-24-4 https://www.jk-sci.com/products/j5319514 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f33386b1563d7f3945e65a921bc0dfb6.jpg?v=1776339976 Thiazole-2-carboxylic acid hydrazide | 16733-90-7 Thiazole-2-carboxylic acid hydrazide|19514|16733-90-7 https://www.jk-sci.com/products/s57c4x-23973 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_44ffd94f-9ae0-4fb5-b5a5-6557acb932fd.png?v=1774713138 Methoxyphenamine Impurity 73 Methoxyphenamine Impurity 73|C4X-23973 https://www.jk-sci.com/products/s57c4x-23998 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404739.png?v=1774668008 Peridine Impurity 8 Dihydrochloride | 76508-73-1 Peridine Impurity 8 Dihydrochloride|C4X-23998|76508-73-1 https://www.jk-sci.com/products/j5319461 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a70c48e3f74c7ef82ab6dd83f8ab245.jpg?v=1776339885 N,N-Dimethyl-cyclohexane-1,4-diamine | 42389-50-4 N,N-Dimethyl-cyclohexane-1,4-diamine|19461|42389-50-4 https://www.jk-sci.com/products/s57c4x-239922 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88224561-ca4a-417f-9088-323fb17a5ca1.png?v=1774710341 N-(2-(4-hydroxypiperidin-1-yl)ethyl)-N-methylnitrous amide N-(2-(4-hydroxypiperidin-1-yl)ethyl)-N-methylnitrous amide|C4X-239922 https://www.jk-sci.com/products/ts246cs-0116944 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/547672_bba2a465-b517-428a-8558-00528923fd80.png?v=1776478394 3-Phenyl-2-thioxoimidazolidin-4-one | 2010-15-3 3-Phenyl-2-thioxoimidazolidin-4-one|CS-0116944|2010-15-3 https://www.jk-sci.com/products/s57c4x-24022 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa9d2c73ed418e7dc48a1adc2545a3b6.jpg?v=1776417780 Toltrazuril Impurity 2 | 94155-78-9 Toltrazuril Impurity 2|C4X-24022|94155-78-9 https://www.jk-sci.com/products/s57c4x-240314 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145294.png?v=1774733392 Tibolone Impurity 14 | 88247-84-1 Tibolone Impurity 14|C4X-240314|88247-84-1 https://www.jk-sci.com/products/j5319834 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb35bd83b5d52d838e27d22b6805b1eb.jpg?v=1776340121 1H-Indazol-7-ol | 81382-46-9 1H-Indazol-7-ol|19834|81382-46-9 https://www.jk-sci.com/products/j5319758 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d512d1bfbc1cf5b24cbe3f99f1de0b0.jpg?v=1776340072 1-Boc-1H-indazole-5-boronic acid pinacol ester | 864771-44-8 1-Boc-1H-indazole-5-boronic acid pinacol ester|19758|864771-44-8 https://www.jk-sci.com/products/ts246cs-0117031 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/218040.png?v=1776478411 3-(4-Methylphenyl)-2-oxopropanoic acid | 38335-22-7 3-(4-Methylphenyl)-2-oxopropanoic acid|CS-0117031|38335-22-7 https://www.jk-sci.com/products/s57c4x-240511 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1834d2b13ec4bc7c1a8f71741c59d318.jpg?v=1776417792 Upadacitinib Impurity 11 | 1708997-43-6 Upadacitinib Impurity 11|C4X-240511|1708997-43-6 https://www.jk-sci.com/products/s57c4x-240413 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0117134 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a306aed9353eff5742fb47ed91aa81.jpg?v=1776478437 N1,N1-dimethyl-4-(trifluoromethyl)benzene-1,2-diamine | 183251-95-8 N1,N1-dimethyl-4-(trifluoromethyl)benzene-1,2-diamine|CS-0117134|183251-95-8 https://www.jk-sci.com/products/ts246cs-0117171 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd3a457bc367608283678e9e6b426ef8.jpg?v=1776478451 3-(Methoxymethyl)benzoic acid | 32194-76-6 3-(Methoxymethyl)benzoic acid|CS-0117171|32194-76-6 https://www.jk-sci.com/products/s57c4x-240514 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90b904f3dbc7f55d3f455e3ecaa5197e.jpg?v=1776417798 Upadacitinib Impurity 14 | 1428243-27-9 Upadacitinib Impurity 14|C4X-240514|1428243-27-9 https://www.jk-sci.com/products/s57c4x-240515 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69d5a04667710e1628012073d527fc70.jpg?v=1776417801 Upadacitinib Impurity 15 | 1201187-44-1 Upadacitinib Impurity 15|C4X-240515|1201187-44-1 https://www.jk-sci.com/products/s57c4x-24042 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7890d3347586869339408a8f70fd3be.jpg?v=1776417786 Opicapone | 923287-50-7 Opicapone|C4X-24042|923287-50-7 https://www.jk-sci.com/products/s57c4x-240517 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-240521 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f708dad3c8650cb0bd77310a2e51f69a.jpg?v=1776417813 Upadacitinib Impurity 21 | 2715120-86-6 Upadacitinib Impurity 21|C4X-240521|2715120-86-6 https://www.jk-sci.com/products/j5319842 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb36fc8a13a42a9f6a87c9d5a430ed22.jpg?v=1776340135 1-Methyl-1-tosylmethyl isocyanide | 58379-80-9 1-Methyl-1-tosylmethyl isocyanide|19842|58379-80-9 https://www.jk-sci.com/products/j5319934 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b65d02ca37ae58338f48060f5f1daeb.jpg?v=1776340196 2,3-Dihydro-1H-indole-6-carboxylic acid hydrochloride | 15861-37-7 2,3-Dihydro-1H-indole-6-carboxylic acid hydrochloride|19934|15861-37-7 https://www.jk-sci.com/products/s57c4x-24052 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f90428ad9c709b75603732f75c5af4b.jpg?v=1776417810 Upadacitinib Impurity 2 | 1201187-46-3 Upadacitinib Impurity 2|C4X-24052|1201187-46-3 https://www.jk-sci.com/products/s57c4x-240526 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9130f13a-0581-4b22-aab4-da237ac3a36d.png?v=1774642599 Upadacitinib Impurity 26 Upadacitinib Impurity 26|C4X-240526 https://www.jk-sci.com/products/j5319988 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ae7fd3d721aed6cbf3bb6a16e958c59.jpg?v=1776340248 2-Boc-Aminomethyl-phenylboronic acid | 433969-27-8 2-Boc-Aminomethyl-phenylboronic acid|19988|433969-27-8 https://www.jk-sci.com/products/s57c4x-240524 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61f631483b96c42b376142fea94d7d51.jpg?v=1776417816 Upadacitinib Impurity 24 | 1869118-24-0 Upadacitinib Impurity 24|C4X-240524|1869118-24-0 https://www.jk-sci.com/products/ts246cs-0117555 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a4c6914b5b27bba8ec14a7d46ba84be.jpg?v=1776478482 1-Tert-butyl-1h-pyrrole-3-carboxylic acid | 1266364-46-8 1-Tert-butyl-1h-pyrrole-3-carboxylic acid|CS-0117555|1266364-46-8 https://www.jk-sci.com/products/ts246cs-0118029 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f92152c4ec7821687866616c18ca886.jpg?v=1776478504 N-(4-Amino-3,5-dimethylphenyl)-n,n-dimethylamine | 27746-08-3 N-(4-Amino-3,5-dimethylphenyl)-n,n-dimethylamine|CS-0118029|27746-08-3 https://www.jk-sci.com/products/s57c4x-240529 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618cd06f26bcecb2c5c8b277b8146490.jpg?v=1776417822 Upadacitinib Impurity 29 | 2868258-96-0 Upadacitinib Impurity 29|C4X-240529|2868258-96-0 https://www.jk-sci.com/products/s57c4x-19678 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37e57f512f4e4f19848acb4c2d30deb0.jpg?v=1776416139 7a-Hydroxy-4-cholesten-3-one | 3862-25-7 7a-Hydroxy-4-cholesten-3-one|C4X-19678|3862-25-7 https://www.jk-sci.com/products/j5320059 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323c03e1dc9eb15a7dbc7b3bef410db7.jpg?v=1776340297 3-(3-Chlorophenoxy)propionic acid | 7170-50-5 3-(3-Chlorophenoxy)propionic acid|20059|7170-50-5 https://www.jk-sci.com/products/ts246cs-0118175 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eea8e66a5f9d3e0bceee9a603a818bed.jpg?v=1776478527 2-Ethoxy-4-(1-pyrrolidinyl)benzaldehyde | 879047-44-6 2-Ethoxy-4-(1-pyrrolidinyl)benzaldehyde|CS-0118175|879047-44-6 https://www.jk-sci.com/products/ts246cs-0118636 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b517ed4439de229471b6306a545b3a69.jpg?v=1776478535 (2-Fluoroanilino)acetic acid | 5319-42-6 (2-Fluoroanilino)acetic acid|CS-0118636|5319-42-6 https://www.jk-sci.com/products/j5320129 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a291f410ef9a48a0f16bbe79c3945a9e.jpg?v=1776340356 3-Ethoxy-azetidine hydrochloride | 535924-73-3 3-Ethoxy-azetidine hydrochloride|20129|535924-73-3 https://www.jk-sci.com/products/ts246cs-0118899 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1e6178f727c40392073b92acb41b7f.jpg?v=1776478552 4-(2-Bromoethoxy)-3-methoxybenzaldehyde | 99070-23-2 4-(2-Bromoethoxy)-3-methoxybenzaldehyde|CS-0118899|99070-23-2 https://www.jk-sci.com/products/s57c4x-20464 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-208440 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9049bd70-0bf0-4814-b54d-2b22122324cb.png?v=1774719187 Lusutrombopag Impurity 40 Lusutrombopag Impurity 40|C4X-208440 https://www.jk-sci.com/products/ts246cs-0119300 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a1619ddd7f3b35183bf0a79da128976.jpg?v=1776478589 tert-Butyl 5-bromo-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate | 916258-24-7 tert-Butyl 5-bromo-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate|CS-0119300|916258-24-7 https://www.jk-sci.com/products/s57c4x-2108 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f387fa6e26740ee1342c0c1ce6fae51d.jpg?v=1776416895 Baloxavir | 1985605-59-1 Baloxavir|C4X-2108|1985605-59-1 https://www.jk-sci.com/products/s57c4x-21267 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603604_882aea74-3f0c-4b0d-b76c-a1d38c63e1f9.png?v=1775052835 Phenoxymethylpenicillin Impurity 7 | 122-59-8 Phenoxymethylpenicillin Impurity 7|C4X-21267|122-59-8 https://www.jk-sci.com/products/s57c4x-21534 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb063600e5b0e49290f4f4f3a33455cb_e76a6c9f-b622-4f5b-8aff-e9fc004542f3.jpg?v=1776417063 Nifuroxazide EP Impurity D | 112537-96-9 Nifuroxazide EP Impurity D|C4X-21534|112537-96-9 https://www.jk-sci.com/products/s57c4x-21835 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eee0160bbdcfed62dc5980af727a8154.jpg?v=1776417113 Dydrogesterone Impurity 5 | 5488-51-7 Dydrogesterone Impurity 5|C4X-21835|5488-51-7 https://www.jk-sci.com/products/s57c4x-22037 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_54f36a43-9692-4f89-b76a-d1f2eb8d5cbf.png?v=1775055977 Citicoline Impurity 7 | 99492-83-8 Citicoline Impurity 7|C4X-22037|99492-83-8 https://www.jk-sci.com/products/s57c4x-2213117 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_30b0f450-a9f9-4f57-bc1f-20c841d6e6cc.png?v=1774988188 Roxadustat Impurity 117 Roxadustat Impurity 117|C4X-2213117 https://www.jk-sci.com/products/s57c4x-221529 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_01779f94-b886-4de2-aae6-68710ee6aec0.png?v=1774721298 Desmopressin Impurity 29 Desmopressin Impurity 29|C4X-221529 https://www.jk-sci.com/products/s57c4x-221744 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dada849a9bb343bcedee9c639f981a34.jpg?v=1776417247 Phloroglucinol impurity 44 | 23957-21-3 Phloroglucinol impurity 44|C4X-221744|23957-21-3 https://www.jk-sci.com/products/s57c4x-2226 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/856ae193254447d6eba5d3197691294a_080d6e5b-70c7-41df-b36c-a09c808518ab.jpg?v=1776417260 Semaglutide | 910463-68-2 Semaglutide|C4X-2226|910463-68-2 https://www.jk-sci.com/products/s57c4x-222913 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aee792cdd8e37cf0b1f44071a14d0c4.jpg?v=1776417280 Pirfenidone Impurity 13 | 2251047-36-4 Pirfenidone Impurity 13|C4X-222913|2251047-36-4 https://www.jk-sci.com/products/s57c4x-223426 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5a5d57067b3117107683f8010b592c2.jpg?v=1776417294 Avatrombopag Impurity 26 | 959042-70-7 Avatrombopag Impurity 26|C4X-223426|959042-70-7 https://www.jk-sci.com/products/s57c4x-223490 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0119369 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/919f4bbc69011e1edb1ff7eae5e522ed.jpg?v=1776478600 1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one | 870067-55-3 1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one|CS-0119369|870067-55-3 https://www.jk-sci.com/products/s57c4x-22385 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-22506 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a93ea6765f3bd74e2c93a9b9e4d22668.jpg?v=1776417355 Benzbromarone EP Impurity C | 1477-19-6 Benzbromarone EP Impurity C|C4X-22506|1477-19-6 https://www.jk-sci.com/products/s57c4x-225540 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c8f8379f-1b18-440f-80e0-18c4e112cd03.png?v=1774969791 Polymyxin Impurity 40 TFA Polymyxin Impurity 40 TFA|C4X-225540 https://www.jk-sci.com/products/s57c4x-225314 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb0d8294c17f4cccb1a0a4f8856f9bd6.jpg?v=1776417378 Bilastine Impurity 14 | 2767508-98-3 Bilastine Impurity 14|C4X-225314|2767508-98-3 https://www.jk-sci.com/products/s57c4x-22571 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975f6c7e70256c519cd3224402c2c564.jpg?v=1776417405 Gadoteridol Impurity 1 | 229312-33-8 Gadoteridol Impurity 1|C4X-22571|229312-33-8 https://www.jk-sci.com/products/s57c4x-22535 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159837_98b238c6-0039-4600-89db-d2b4aa61a853.png?v=1774965789 Bilastine Impurity 5 | 38385-95-4 Bilastine Impurity 5|C4X-22535|38385-95-4 https://www.jk-sci.com/products/s57c4x-22601 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73922cb27b85dd9f41484ca2df8c0106.jpg?v=1776417420 Baricitinib Impurity 1 | 2964606-42-4 Baricitinib Impurity 1|C4X-22601|2964606-42-4 https://www.jk-sci.com/products/s57c4x-226021 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7c517b089d83108c137e1aa44a87353.jpg?v=1776417443 Baricitinib Impurity 21 | 1024120-52-2 Baricitinib Impurity 21|C4X-226021|1024120-52-2 https://www.jk-sci.com/products/ts246cs-0119437 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430954.png?v=1776478623 N-(3-Phenylpropionyl)glycine | 56613-60-6 N-(3-Phenylpropionyl)glycine|CS-0119437|56613-60-6 https://www.jk-sci.com/products/s57c4x-226037 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bda265dba0774cadf7b3cdafb795a556.jpg?v=1776417456 Baricitinib Impurity 37 | 2055723-13-0 Baricitinib Impurity 37|C4X-226037|2055723-13-0 https://www.jk-sci.com/products/s57c4x-226058 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1965a2a2-6310-4c7f-83ed-ce74d34677ed.png?v=1775078946 Baricitinib Impurity 58 Baricitinib Impurity 58|C4X-226058 https://www.jk-sci.com/products/s57c4x-226071 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_239d046c-1db5-4a34-931d-9176f25d0688.png?v=1774669025 Baricitinib Impurity 71 Baricitinib Impurity 71|C4X-226071 https://www.jk-sci.com/products/ts246cs-0119467 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285881.png?v=1776478640 2-Ethyl-4-fluorophenol | 398-71-0 2-Ethyl-4-fluorophenol|CS-0119467|398-71-0 https://www.jk-sci.com/products/j5320152 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b97b96cad7408dd62b5845c4a0183d88.jpg?v=1776340387 3-Trifluoromethyl-benzamidine·HCl | 62980-03-4 3-Trifluoromethyl-benzamidine·HCl|20152|62980-03-4 https://www.jk-sci.com/products/s57c4x-22614 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f49b29b4c8f95daab896751e304637b4.jpg?v=1776417491 25-Hydroxyvitamin D2-d3 | 1217467-39-4 25-Hydroxyvitamin D2-d3|C4X-22614|1217467-39-4 https://www.jk-sci.com/products/s57c4x-226714 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47b8377f-7ca9-47c5-81f9-268502af6a34.png?v=1775071759 Emedastine EP Impurity E 2HCl Emedastine EP Impurity E 2HCl|C4X-226714 https://www.jk-sci.com/products/s57c4x-22693 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d807b05a82586fb1890e5e74cd77f40.jpg?v=1776417509 Ponatinib-d8 | 1562993-37-6 Ponatinib-d8|C4X-22693|1562993-37-6 https://www.jk-sci.com/products/s57c4x-2284 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36b758e8771406f0775e9169136a635d.jpg?v=1776417528 Methisosildenafil | 496835-35-9 Methisosildenafil|C4X-2284|496835-35-9 https://www.jk-sci.com/products/ts246cs-0119530 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137614.png?v=1776478649 tert-Butyl 4-chloro-3-oxobutanoate | 74530-56-6 tert-Butyl 4-chloro-3-oxobutanoate|CS-0119530|74530-56-6 https://www.jk-sci.com/products/s57c4x-226733 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e09436b0-71c0-497b-8c74-f077f06643ea.png?v=1775060988 Emedastine Impurity 33 Emedastine Impurity 33|C4X-226733 https://www.jk-sci.com/products/s57c4x-22761 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-228730 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_784f6c12-e246-4376-8174-3e1a3b586bb1.png?v=1774969796 Carteolol Impurity 30 Carteolol Impurity 30|C4X-228730 https://www.jk-sci.com/products/s57c4x-229332 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5456d9aa-8490-4db2-b767-908ddbfea20d.png?v=1774666014 Atosiban Impurity 32 Atosiban Impurity 32|C4X-229332 https://www.jk-sci.com/products/s57c4x-229213 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-229318 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5320281 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/826ae24ee172e14a51b799c63fc0c1d8.jpg?v=1776340469 4-Diethylaminomethyl benzoic acid | 62642-59-5 4-Diethylaminomethyl benzoic acid|20281|62642-59-5 https://www.jk-sci.com/products/ts246cs-0119664 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d77d78ed038a869afb91a8a801b3d63.jpg?v=1776478666 1-Bromo-8-methoxynaphthalene | 83710-60-5 1-Bromo-8-methoxynaphthalene|CS-0119664|83710-60-5 https://www.jk-sci.com/products/j5320182 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebbb951df7de1abdee7ce451b74713a4.jpg?v=1776340409 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-indazole | 885618-33-7 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-indazole|20182|885618-33-7 https://www.jk-sci.com/products/s57c4x-22959 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-229343 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb124165-b24b-40bb-b1cf-0078fa0ce708.png?v=1774725152 [D-Asp5]-Atosiban [D-Asp5]-Atosiban|C4X-229343 https://www.jk-sci.com/products/s57c4x-229511 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0119763 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cc1052d59021e8903abc49e4e20d4de.jpg?v=1776478708 Ethyl 1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylate | 956191-77-8 Ethyl 1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylate|CS-0119763|956191-77-8 https://www.jk-sci.com/products/s57c4x-229712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f2fb9dd6a39df68dabe03fa39d50d6c.jpg?v=1776417574 Tegoprazan Impurity 12 | 1640981-20-9 Tegoprazan Impurity 12|C4X-229712|1640981-20-9 https://www.jk-sci.com/products/s57c4x-229745 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5a394b7d1f5c0703bf768c05dc77fea.jpg?v=1776417592 Tegoprazan impurity 45 | 1111086-20-4 Tegoprazan impurity 45|C4X-229745|1111086-20-4 https://www.jk-sci.com/products/ts246cs-0119773 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29f3c7231205570c35d7399e57db9b6c.jpg?v=1776478716 2-(1H-Imidazol-5-yl)pyridine | 16576-78-6 2-(1H-Imidazol-5-yl)pyridine|CS-0119773|16576-78-6 https://www.jk-sci.com/products/s57c4x-22972 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e95117af8f11f2b534f444104c717493_d1e4ca68-3500-476f-b5b1-1384b8909b7f.jpg?v=1776417579 5,7-Difluorochroman-4-one | 844648-22-2 5,7-Difluorochroman-4-one|C4X-22972|844648-22-2 https://www.jk-sci.com/products/j5320318 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da7462cfb426bdb2c0768fdc32849d63.jpg?v=1776340512 4-N-Methylaminopiperidine dihydrochloride | 45584-07-4 4-N-Methylaminopiperidine dihydrochloride|20318|45584-07-4 https://www.jk-sci.com/products/ts246cs-0119811 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472352.png?v=1776478733 tert-Butyl (10-bromodecyl)carbamate | 887353-29-9 tert-Butyl (10-bromodecyl)carbamate|CS-0119811|887353-29-9 https://www.jk-sci.com/products/ts246cs-0119828 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b24c1d5219813fa3c6b3564cda14557.jpg?v=1776478747 5-(Cyclopropylmethoxy)-1H-pyrazol-3-amine | 852443-66-4 5-(Cyclopropylmethoxy)-1H-pyrazol-3-amine|CS-0119828|852443-66-4 https://www.jk-sci.com/products/ts246cs-0119849 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120567cb5431f2532fb5f8720340d350.jpg?v=1776478768 Methyl 4-((trimethylsilyl)ethynyl)benzoate | 75867-41-3 Methyl 4-((trimethylsilyl)ethynyl)benzoate|CS-0119849|75867-41-3 https://www.jk-sci.com/products/s57c4x-22983 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0119862 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6302a3497f0c07c4404540663094243.jpg?v=1776478776 6-Chloropicolinamide | 70593-61-2 6-Chloropicolinamide|CS-0119862|70593-61-2 https://www.jk-sci.com/products/ts246cs-0119866 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4648cf92b212651a570707e0f0d7376.jpg?v=1776478782 2-Bromo-5-methoxy-4-(trifluoromethyl)aniline | 694514-19-7 2-Bromo-5-methoxy-4-(trifluoromethyl)aniline|CS-0119866|694514-19-7 https://www.jk-sci.com/products/s57c4x-230610 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156442_877b78e4-ed98-4f9d-a285-fd0b35e6e846.png?v=1774666023 Cyclophosphamide Impurity 10 | 821-48-7 Cyclophosphamide Impurity 10|C4X-230610|821-48-7 https://www.jk-sci.com/products/s57c4x-23005 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254189_0f177f8f-d774-463d-9bf7-42409c351d87.png?v=1774900862 Tiapride Impurity 5 | 63484-12-8 Tiapride Impurity 5|C4X-23005|63484-12-8 https://www.jk-sci.com/products/s57c4x-23068 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c5fafaac486f691908772a6d6d56467.jpg?v=1776417618 Cyclophosphamide EP Impurity E DiHCl | 158401-51-5 Cyclophosphamide EP Impurity E DiHCl|C4X-23068|158401-51-5 https://www.jk-sci.com/products/ts246cs-0111253 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef1e6465ca858aafd59103ad34c40304.jpg?v=1776476399 3,3''-Difluoro-5'-(3-fluoro-4-formylphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde | 2088007-04-7 3,3''-Difluoro-5'-(3-fluoro-4-formylphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde|CS-0111253|2088007-04-7 https://www.jk-sci.com/products/ts246cs-0114526 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d56f2dcd3d9061fc41f5ef190d1bde39.jpg?v=1776477556 N-(Azido-PEG4)-biocytin | 2055042-70-9 N-(Azido-PEG4)-biocytin|CS-0114526|2055042-70-9 https://www.jk-sci.com/products/s57c4x-231013 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/978dd1813c6e4b8b219ba35b50dcf2dd.jpg?v=1776417624 (R)-Carbidopa | 28875-92-5 (R)-Carbidopa|C4X-231013|28875-92-5 https://www.jk-sci.com/products/s57c4x-232113 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37439f82e43a6c316d41351cc6d8047c.jpg?v=1776417644 Oxacillin EP Impurity B（Mixture of Enantiomer） | 1642629-95-5 Oxacillin EP Impurity B（Mixture of Enantiomer）|C4X-232113|1642629-95-5 https://www.jk-sci.com/products/ts246cs-0114852 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbaa64615eca7b7031d8582b81e10109.jpg?v=1776477768 Bis-aminooxy-PEG4 | 98627-72-6 Bis-aminooxy-PEG4|CS-0114852|98627-72-6 https://www.jk-sci.com/products/s57c4x-23104 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b67747530daabc3a8ab0ef5cb227451b.jpg?v=1776417634 Carbidopa EP Impurity D | 934371-48-9 Carbidopa EP Impurity D|C4X-23104|934371-48-9 https://www.jk-sci.com/products/ts246cs-0114955 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1248b97e3733210b85847ab0bb1f94e0.jpg?v=1776477847 N-(Azido-PEG3)-N-bis(PEG4-acid) | 2112731-54-9 N-(Azido-PEG3)-N-bis(PEG4-acid)|CS-0114955|2112731-54-9 https://www.jk-sci.com/products/s57c4x-232121 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_620690ae-ceca-4eff-8651-735007246c02.png?v=1774660097 Oxacillin EP Impurity G Oxacillin EP Impurity G|C4X-232121 https://www.jk-sci.com/products/s57c4x-23217 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2b23d761-81ed-4d75-aa7f-ca9bcaa72947.png?v=1774988196 Oxacillin Impurity 7 Oxacillin Impurity 7|C4X-23217 https://www.jk-sci.com/products/s57c4x-232923 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f43564138aeb13e38fdf9953129d913f.jpg?v=1776417656 Niraparib R-enantiomer p-tosylate | 1038915-58-0 Niraparib R-enantiomer p-tosylate|C4X-232923|1038915-58-0 https://www.jk-sci.com/products/j5320366 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8335caf9c8d9660ca01f1a9ccfa24e6e.jpg?v=1776340540 5-Amino-1H-indazole-7-carboxylic acid | 885272-13-9 5-Amino-1H-indazole-7-carboxylic acid|20366|885272-13-9 https://www.jk-sci.com/products/ts246cs-0115078 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2187f8b4eaa5d47f39e15884307aaa2a.jpg?v=1776477936 N-Mal-N-bis(PEG2-NH-Boc) | 2128735-26-0 N-Mal-N-bis(PEG2-NH-Boc)|CS-0115078|2128735-26-0 https://www.jk-sci.com/products/ts246cs-0115212 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05a594fff6c81caa7c753e0e3680779d.jpg?v=1776478019 N-(Aminooxy-PEG3)-N-bis(PEG4-Boc) | 2112737-19-4 N-(Aminooxy-PEG3)-N-bis(PEG4-Boc)|CS-0115212|2112737-19-4 https://www.jk-sci.com/products/ts246cs-0115476 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30388970003e9285646ede40a237c2ad.jpg?v=1776478120 N,N'-DME-N-PEG2-Boc | 2279944-69-1 N,N'-DME-N-PEG2-Boc|CS-0115476|2279944-69-1 https://www.jk-sci.com/products/s57c4x-233221 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97a7b09808a745e6c1d99691bbf5ab4d.jpg?v=1776417667 Pazufloxacin lmpurity21 HCI | 171567-51-4 Pazufloxacin lmpurity21 HCI|C4X-233221|171567-51-4 https://www.jk-sci.com/products/s57c4x-23313 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8c8535b07a27355494f4cef64e0af67.jpg?v=1776417659 Tetracycline EP Impurity C | 1665-56-1 Tetracycline EP Impurity C|C4X-23313|1665-56-1 https://www.jk-sci.com/products/ts246cs-0115724 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a47075f269c78fb2adb75131d5459616.jpg?v=1776478165 2-(Dimethoxymethyl)-5,6,7,8-tetrahydro-1,8-naphthyridine-3-carbaldehyde | 1708974-56-4 2-(Dimethoxymethyl)-5,6,7,8-tetrahydro-1,8-naphthyridine-3-carbaldehyde|CS-0115724|1708974-56-4 https://www.jk-sci.com/products/s57c4x-233419 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32d2fafbee747764d14e564caeb55058.jpg?v=1784619809 2′-Deoxy-α-Uridine | 4449-42-7 2′-Deoxy-α-Uridine|C4X-233419|4449-42-7 https://www.jk-sci.com/products/s57c4x-23379 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4571ddcdec8d0bf6a2df80c9596e258.jpg?v=1776417682 Piperaquine Impurity 9 | 1233345-93-1 Piperaquine Impurity 9|C4X-23379|1233345-93-1 https://www.jk-sci.com/products/j5320410 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36cbfea141b7d1e8b35f71276b144cc7.jpg?v=1776340605 5-Iodo-1H-indazole-3-carboxylic acid | 1077-97-0 5-Iodo-1H-indazole-3-carboxylic acid|20410|1077-97-0 https://www.jk-sci.com/products/ts246cs-0116175 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340222.png?v=1776478232 m-PEG4-SH | 52190-55-3 m-PEG4-SH|CS-0116175|52190-55-3 https://www.jk-sci.com/products/ts246cs-0116382 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ea0d8fb5bcf2a04e83d50f7069fdeee.jpg?v=1776478291 Boc-NH-PEG11-OH | 1556847-53-0 Boc-NH-PEG11-OH|CS-0116382|1556847-53-0 https://www.jk-sci.com/products/ts246cs-0116673 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3adb5c40ee49ac89179622db87b05a38.jpg?v=1776478336 Ethyl 5-chloro-7-methyl-1h-indole-2-carboxylate | 15936-71-7 Ethyl 5-chloro-7-methyl-1h-indole-2-carboxylate|CS-0116673|15936-71-7 https://www.jk-sci.com/products/j5320425 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76d405668fe8e1a0004f89e52bd109a0.jpg?v=1776340635 2-Amino-5-nitroindan hydrochloride | 73536-87-5 2-Amino-5-nitroindan hydrochloride|20425|73536-87-5 https://www.jk-sci.com/products/ts246cs-0116981 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408144.png?v=1776478400 Methyl 2-methyl-4-quinolinecarboxylate | 55625-40-6 Methyl 2-methyl-4-quinolinecarboxylate|CS-0116981|55625-40-6 https://www.jk-sci.com/products/s57c4x-23508 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f39e9d1-666e-4674-ac0a-697ddbfc039d.png?v=1775076504 Somatostatin Impurity 8 Somatostatin Impurity 8|C4X-23508 https://www.jk-sci.com/products/j5320538 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/929354edfb2e6861f7a796960e41953f.jpg?v=1776340696 6-Iodo (1H)indazole | 261953-36-0 6-Iodo (1H)indazole|20538|261953-36-0 https://www.jk-sci.com/products/s57c4x-2370 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0d66cda4-ce5f-4673-9da4-fb6edeacfefd.png?v=1774717718 Lanreotide Acetate Lanreotide Acetate|C4X-2370 https://www.jk-sci.com/products/ts246cs-0117167 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398962_0b6f012f-c02a-499d-8707-74f99819fcfc.png?v=1776478448 4-Hydroxy-3-iodo-5-methoxybenzaldehyde | 5438-36-8 4-Hydroxy-3-iodo-5-methoxybenzaldehyde|CS-0117167|5438-36-8 https://www.jk-sci.com/products/ts246cs-0118028 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf191e42ed4c9620f8e204b487a3bb9.jpg?v=1776478501 Methyl 4-iodo-2-(trifluoromethyl)benzoate | 954815-14-6 Methyl 4-iodo-2-(trifluoromethyl)benzoate|CS-0118028|954815-14-6 https://www.jk-sci.com/products/j5320543 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34a594beb4a6451c0883a9ff3ab12d58.jpg?v=1776340702 6-Methoxy-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid | 2471-69-4 6-Methoxy-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid|20543|2471-69-4 https://www.jk-sci.com/products/s57c4x-237914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c7489adc35289f43e79edc98f8eea0f.jpg?v=1776417694 Imrecoxib Impurity 14 | 959003-56-6 Imrecoxib Impurity 14|C4X-237914|959003-56-6 https://www.jk-sci.com/products/ts246cs-0118472 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42be718d96f974489e81cb9d72965bb1.jpg?v=1776478533 2-Chloro-6,8-dimethylquinoline-3-carbaldehyde | 73568-31-7 2-Chloro-6,8-dimethylquinoline-3-carbaldehyde|CS-0118472|73568-31-7 https://www.jk-sci.com/products/ts246cs-0119213 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/172130d3d7563b3daeafc4746ebeef1b.jpg?v=1776478582 Benzaldehyde-PEG4-azide | 1151451-77-2 Benzaldehyde-PEG4-azide|CS-0119213|1151451-77-2 https://www.jk-sci.com/products/j5320583 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1afffc7c4a0c72faf1b118df8a9dff1.jpg?v=1776340730 7-Bromo-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester | 143262-17-3 7-Bromo-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester|20583|143262-17-3 https://www.jk-sci.com/products/j5320593 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b7af229f55129b5c8fcfa3b1f47daa5.jpg?v=1776340745 7-Methoxy-2,3-dihydro-1H-indole | 334986-99-1 7-Methoxy-2,3-dihydro-1H-indole|20593|334986-99-1 https://www.jk-sci.com/products/ts246cs-0119406 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac07bf277b8e0c6554e04b31bcee76c9.jpg?v=1776478615 6-Bromo-1H-indole-2-carbonitrile | 1420537-60-5 6-Bromo-1H-indole-2-carbonitrile|CS-0119406|1420537-60-5 https://www.jk-sci.com/products/ts246cs-0119502 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437103_f09814ee-e8db-4e06-8a8f-94ddfe1d7aeb.png?v=1776478646 2,7-Dimethylquinoline | 93-37-8 2,7-Dimethylquinoline|CS-0119502|93-37-8 https://www.jk-sci.com/products/s57c4x-23812 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e89ad7a5b74d49c12a373a5387e0dee.jpg?v=1776417709 Fluocinolone Acetonide EP Impurity B | 65751-34-0 Fluocinolone Acetonide EP Impurity B|C4X-23812|65751-34-0 https://www.jk-sci.com/products/s57c4x-23841 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8f040309d442156d6367601d5c4cfd.jpg?v=1776417737 Acetazolamide EP Impurity B | 5393-55-5 Acetazolamide EP Impurity B|C4X-23841|5393-55-5 https://www.jk-sci.com/products/s57c4x-23843 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546592_2999c7dc-0324-4eb7-9784-a644315900d5.png?v=1775153412 Acetazolamide EP Impurity D | 14949-00-9 Acetazolamide EP Impurity D|C4X-23843|14949-00-9 https://www.jk-sci.com/products/s57c4x-2383 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470835ff01e4bc87df7a97ad985b28d5.jpg?v=1776417730 Tenoxicam | 59804-37-4 Tenoxicam|C4X-2383|59804-37-4 https://www.jk-sci.com/products/s57c4x-23815 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c661191de578cfdf5853535384addc3.jpg?v=1776417725 Fluocinolone Acetonide EP Impurity E | 68352-03-4 Fluocinolone Acetonide EP Impurity E|C4X-23815|68352-03-4 https://www.jk-sci.com/products/j5320604 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/824aac0962b9954d7a8f6b3975df3896.jpg?v=1776340756 7-Methyl-2,3-dihydro-1H-indole | 65673-86-1 7-Methyl-2,3-dihydro-1H-indole|20604|65673-86-1 https://www.jk-sci.com/products/s57c4x-23799 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c779eb1-9796-4047-96c0-9755bfa2e62b.png?v=1774736697 Imrecoxib Impurity 9 | 3038592-01-4 Imrecoxib Impurity 9|C4X-23799|3038592-01-4 https://www.jk-sci.com/products/s57c4x-23817 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-2398 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4d84fe786009203ff690cc3c8442ec9.jpg?v=1776417751 Levodropropizine | 99291-25-5 Levodropropizine|C4X-2398|99291-25-5 https://www.jk-sci.com/products/ts246cs-0119711 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23eba8b590af015f688bcf7fe4964a09.jpg?v=1776478679 5-Bromo-2-isopropoxyaniline | 1019442-22-8 5-Bromo-2-isopropoxyaniline|CS-0119711|1019442-22-8 https://www.jk-sci.com/products/s57c4x-2385 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32ffd06590fb69403006f261b90432fa.jpg?v=1776417742 Sisomicin | 32385-11-8 Sisomicin|C4X-2385|32385-11-8 https://www.jk-sci.com/products/ts246cs-0119804 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20a4c6400beff22a8e83a6022e2ca4b0.jpg?v=1776478730 (R)-2-Hydroxy-3-(4-hydroxyphenyl)propanoic acid | 89919-57-3 (R)-2-Hydroxy-3-(4-hydroxyphenyl)propanoic acid|CS-0119804|89919-57-3 https://www.jk-sci.com/products/j5320771 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0280da29865fd9b0fff1dd0610413d00.jpg?v=1776340850 Methyl 5-(4-methylsulfanylphenyl)-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylate | 641639-55-6 Methyl 5-(4-methylsulfanylphenyl)-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylate|20771|641639-55-6 https://www.jk-sci.com/products/ts246cs-0119829 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d271a5ec8949b66790bb762a770b37db.jpg?v=1776478751 tert-Butyl (4-methylthiazol-2-yl)carbamate | 848472-44-6 tert-Butyl (4-methylthiazol-2-yl)carbamate|CS-0119829|848472-44-6 https://www.jk-sci.com/products/ts246cs-0119864 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e3545f9e98f4a46d384c3f4fcadbd3c.jpg?v=1776478779 1-Bromo-3-methyladamantane | 702-77-2 1-Bromo-3-methyladamantane|CS-0119864|702-77-2 https://www.jk-sci.com/products/j5320669 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116814047fd56ed7b39b00a314abe9db.jpg?v=1776340799 1-Cyclohexaneacetonitrile | 4435-14-7 1-Cyclohexaneacetonitrile|20669|4435-14-7 https://www.jk-sci.com/products/ts246cs-0119874 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312045.png?v=1776478797 2,2-Dimethyl-5-oxotetrahydrofuran-3-carboxylic acid | 79-91-4 2,2-Dimethyl-5-oxotetrahydrofuran-3-carboxylic acid|CS-0119874|79-91-4 https://www.jk-sci.com/products/ts246cs-0119983 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125321.png?v=1776478881 3-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)pyridine | 845885-86-1 3-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)pyridine|CS-0119983|845885-86-1 https://www.jk-sci.com/products/ts246cs-0120009 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586110.png?v=1776478892 1,2,4-Triazolidine-3,5-dione | 3232-84-6 1,2,4-Triazolidine-3,5-dione|CS-0120009|3232-84-6 https://www.jk-sci.com/products/ts246cs-0120032 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8694a0da96ce540aff57405f04ab17.jpg?v=1776478914 (R)-1-(2,6-Dichloro-3-fluorophenyl)ethan-1-ol | 330156-50-8 (R)-1-(2,6-Dichloro-3-fluorophenyl)ethan-1-ol|CS-0120032|330156-50-8 https://www.jk-sci.com/products/ts246cs-0120048 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c622c28ee8a736985aac9c9348fa958.jpg?v=1776478925 2-(Methylsulfonyl)aniline | 2987-49-7 2-(Methylsulfonyl)aniline|CS-0120048|2987-49-7 https://www.jk-sci.com/products/ts246cs-0120089 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fb35b76cb0f028a5856ae104cb65c9b.jpg?v=1776478948 Pomalidomide-PEG4-C2-NH2 (hydrochloride) | 2357105-92-9 Pomalidomide-PEG4-C2-NH2 (hydrochloride)|CS-0120089|2357105-92-9 https://www.jk-sci.com/products/ts246cs-0120122 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/579319.png?v=1776478956 Isobutyrimidamide hydrochloride | 22007-68-7 Isobutyrimidamide hydrochloride|CS-0120122|22007-68-7 https://www.jk-sci.com/products/ts246cs-0120154 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98b46aa890a15fae398727859407e76a.jpg?v=1776478977 6-Chloro-5-fluoronicotinonitrile | 1020253-14-8 6-Chloro-5-fluoronicotinonitrile|CS-0120154|1020253-14-8 https://www.jk-sci.com/products/s57c4x-239914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d796f0016884ceec5a97c528a017c201_39d62e56-e5fd-46e3-af65-41e345421b01.jpg?v=1776417763 Peridine Impurity 14 | 252720-31-3 Peridine Impurity 14|C4X-239914|252720-31-3 https://www.jk-sci.com/products/ts246cs-0120189 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264647.png?v=1776478994 1-(2-Bromophenyl)ethan-1-amine | 113899-55-1 1-(2-Bromophenyl)ethan-1-amine|CS-0120189|113899-55-1 https://www.jk-sci.com/products/ts246cs-0120205 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481c4bb47a6136fd1e23bc3bb6dd8536.jpg?v=1776479002 Methyl 3-amino-2,4-dichloro-5-fluorobenzoate | 1159908-24-3 Methyl 3-amino-2,4-dichloro-5-fluorobenzoate|CS-0120205|1159908-24-3 https://www.jk-sci.com/products/ts246cs-0120296 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29354971b7dbd0f815197dbe460cae6a.jpg?v=1776479026 2-Bromo-3-fluoroisonicotinaldehyde | 1227572-94-2 2-Bromo-3-fluoroisonicotinaldehyde|CS-0120296|1227572-94-2 https://www.jk-sci.com/products/ts246cs-0120360 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79045f6226c9ddb66c1ca99e56702f90.jpg?v=1776479034 2,5-Dioxopyrrolidin-1-yl 3-(3-methyl-3H-diazirin-3-yl)propanoate | 1239017-80-1 2,5-Dioxopyrrolidin-1-yl 3-(3-methyl-3H-diazirin-3-yl)propanoate|CS-0120360|1239017-80-1 https://www.jk-sci.com/products/j5320812 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16417072e5b8ab4bc25b8c1760cb3b0b.jpg?v=1776340888 2-(3-Aminopropyl)isoindole-1,3(2H)-dione hydrochloride | 121821-01-0 2-(3-Aminopropyl)isoindole-1,3(2H)-dione hydrochloride|20812|121821-01-0 https://www.jk-sci.com/products/ts246cs-0120400 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adaab5a4820aad56e4cd7fa30c5cf17e.jpg?v=1776479046 1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidine | 1264198-72-2 1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidine|CS-0120400|1264198-72-2 https://www.jk-sci.com/products/j5320832 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da281f93cf17d3e47f0df85d367445d2.jpg?v=1776340899 Z-4-iodopiperidine | 885275-00-3 Z-4-iodopiperidine|20832|885275-00-3 https://www.jk-sci.com/products/ts246cs-0120430 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5277596c6915f1fcea7de544d6053a91.jpg?v=1776479060 (S)-(4-Benzylmorpholin-2-yl)methanol | 132073-82-6 (S)-(4-Benzylmorpholin-2-yl)methanol|CS-0120430|132073-82-6 https://www.jk-sci.com/products/s57c4x-240112 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275601.png?v=1774668013 Pilocarpine HCl | 54-71-7 Pilocarpine HCl|C4X-240112|54-71-7 https://www.jk-sci.com/products/ts246cs-0120515 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/667ed83989d08682a212364fd6a28d16.jpg?v=1776479088 5-Bromo-3-iodo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole | 1380917-35-0 5-Bromo-3-iodo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole|CS-0120515|1380917-35-0 https://www.jk-sci.com/products/j5320847 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53aa042e4f006c4d00a9867ab12f6e78.jpg?v=1776340920 Oxazole-4-carbonitrile | 55242-84-7 Oxazole-4-carbonitrile|20847|55242-84-7 https://www.jk-sci.com/products/ts246cs-0120564 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44a056f3456f238578a9b512493aa025.jpg?v=1776479102 6-(Aminomethyl)pyrimidin-4-amine dihydrochloride | 1523618-18-9 6-(Aminomethyl)pyrimidin-4-amine dihydrochloride|CS-0120564|1523618-18-9 https://www.jk-sci.com/products/ts246cs-0120592 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90df12cbaec86c3701620300ab502e20.jpg?v=1776479111 (1R,2R)-2-Aminocyclopentane-1-carboxylic acid hydrochloride | 158414-44-9 (1R,2R)-2-Aminocyclopentane-1-carboxylic acid hydrochloride|CS-0120592|158414-44-9 https://www.jk-sci.com/products/s57c4x-23993 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-24013 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63d3d63ac9eb390271e4511a46382b6f.jpg?v=1776417777 Pilocarpine EP Impurity C Sodium Salt | 101769-87-3 Pilocarpine EP Impurity C Sodium Salt|C4X-24013|101769-87-3 https://www.jk-sci.com/products/s57c4x-2405 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d91580a01f3786b11d7b473f1efe9e5.jpg?v=1776417790 Upadacitinib | 1310726-60-3 Upadacitinib|C4X-2405|1310726-60-3 https://www.jk-sci.com/products/s57c4x-24041 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0172ca49bd9e230e869658ea1ab9155a.jpg?v=1776417783 Opicapone Impurity 1 | 874518-62-4 Opicapone Impurity 1|C4X-24041|874518-62-4 https://www.jk-sci.com/products/ts246cs-0120616 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/843472309a7ed5da99235620ac219832.jpg?v=1776479124 (R)-4-Fluoro-2,3-dihydro-1H-inden-1-amine hydrochloride | 1637540-45-4 (R)-4-Fluoro-2,3-dihydro-1H-inden-1-amine hydrochloride|CS-0120616|1637540-45-4 https://www.jk-sci.com/products/s57c4x-2405142 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f692434c-2f59-46e3-89b1-3956212ba9fa.png?v=1775076521 Upadacitinib Impurity 142 Upadacitinib Impurity 142|C4X-2405142 https://www.jk-sci.com/products/ts246cs-0120638 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361504.png?v=1776479132 1-Aza-18-crown-6 | 33941-15-0 1-Aza-18-crown-6|CS-0120638|33941-15-0 https://www.jk-sci.com/products/ts246cs-0114732 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18615cf5521a803195b4b75f5d199788.jpg?v=1776477715 m-PEG12-OH | 2050595-03-2 m-PEG12-OH|CS-0114732|2050595-03-2 https://www.jk-sci.com/products/s57c4x-240518 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b011af7731c954b70b9b11ded9cadff2.jpg?v=1776417807 Upadacitinib Impurity 18 | 1428243-24-6 Upadacitinib Impurity 18|C4X-240518|1428243-24-6 https://www.jk-sci.com/products/ts246cs-0115009 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fd8ed72ad17019d3e1b2ab35525caa2.jpg?v=1776477886 Hydroxy-PEG1-CH2-Boc | 287174-32-7 Hydroxy-PEG1-CH2-Boc|CS-0115009|287174-32-7 https://www.jk-sci.com/products/j5320866 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7732f10b8dba64aa4cd187a99c620bc1.jpg?v=1776340953 Tert-Butyl 3-[4-(2-amino-ethyl)phenyl]propionate | 120225-79-8 Tert-Butyl 3-[4-(2-amino-ethyl)phenyl]propionate|20866|120225-79-8 https://www.jk-sci.com/products/s57c4x-240523 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-240528 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5320878 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b72814e9c639883def48bd3747e4e7de.jpg?v=1776340978 Thiazole-4-carboxylic acid hydrazide | 101257-38-9 Thiazole-4-carboxylic acid hydrazide|20878|101257-38-9 https://www.jk-sci.com/products/s57c4x-240535 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87a36094-e176-40ac-9081-df0266529dd5.png?v=1774721317 Upadacitinib Impurity 35 Upadacitinib Impurity 35|C4X-240535 https://www.jk-sci.com/products/ts246cs-0115363 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bda2b9f76030b040edb899bd81fdd23.jpg?v=1776478077 m-PEG3-0-benzaldehyde | 153364-63-7 m-PEG3-0-benzaldehyde|CS-0115363|153364-63-7 https://www.jk-sci.com/products/s57c4x-240537 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a07c751-0a44-4977-a280-eaf6d23b0af6.png?v=1774672980 Upadacitinib Impurity 37 Upadacitinib Impurity 37|C4X-240537 https://www.jk-sci.com/products/ts246cs-0115876 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ed1bfcb4f44d5b824eec72b424bba66.jpg?v=1776478187 5-Maleimidovaleric acid | 57078-99-6 5-Maleimidovaleric acid|CS-0115876|57078-99-6 https://www.jk-sci.com/products/j5320884 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/681baa4f6c3953b5d142b64cf8dbb79a.jpg?v=1776340989 1,3-Diacetylindole | 17537-64-3 1,3-Diacetylindole|20884|17537-64-3 https://www.jk-sci.com/products/ts246cs-0116534 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333147_a9ed8460-8a67-41f3-b7fe-7d621ef6d57a.png?v=1776478314 3-Methoxy-4-(2-propynyloxy)benzaldehyde | 5651-83-2 3-Methoxy-4-(2-propynyloxy)benzaldehyde|CS-0116534|5651-83-2 https://www.jk-sci.com/products/j5320896 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed9a12cb37e6f0d9150b746348380256.jpg?v=1776341010 7-Bromo-1H-indole-2-carboxylic acid | 16732-71-1 7-Bromo-1H-indole-2-carboxylic acid|20896|16732-71-1 https://www.jk-sci.com/products/s57c4x-240541 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02cf422b32da68e2709f3022405b76c1.jpg?v=1776417824 Upadacitinib Impurity 41 | 2050038-78-1 Upadacitinib Impurity 41|C4X-240541|2050038-78-1 https://www.jk-sci.com/products/s57c4x-240547 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/097cb0faafbd5a050f4b6e9c60b9d624.jpg?v=1776417827 Upadacitinib Impurity 47 | 1428243-28-0 Upadacitinib Impurity 47|C4X-240547|1428243-28-0 https://www.jk-sci.com/products/ts246cs-0117078 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285655_3746fbbc-344b-4d16-97db-52a98e97a140.png?v=1776478425 2-Oxo-1,2-dihydroquinoline-3-carbaldehyde | 91301-03-0 2-Oxo-1,2-dihydroquinoline-3-carbaldehyde|CS-0117078|91301-03-0 https://www.jk-sci.com/products/ts246cs-0118065 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbc80e80604ee5b786bbfa666cff0cbe.jpg?v=1776478513 Alkyne-PEG4-maleimide | 1609651-90-2 Alkyne-PEG4-maleimide|CS-0118065|1609651-90-2 https://www.jk-sci.com/products/ts246cs-0119306 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfddf512c6e25da4548804415d4dafd2.jpg?v=1776478591 Thalidomide-4-O-C6-NH2 (hydrochloride) | 2245697-88-3 Thalidomide-4-O-C6-NH2 (hydrochloride)|CS-0119306|2245697-88-3 https://www.jk-sci.com/products/j5320903 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe594f7903acbb64c97c71e25d1c25c8.jpg?v=1776341032 3,5-Dinitro-L-tyrosine monohydrate | 17360-11-1 3,5-Dinitro-L-tyrosine monohydrate|20903|17360-11-1 https://www.jk-sci.com/products/s57c4x-240549 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4731da9a409787e3e55f7e5854bc718.jpg?v=1776417830 Upadacitinib Impurity 49 | 1944483-53-7 Upadacitinib Impurity 49|C4X-240549|1944483-53-7 https://www.jk-sci.com/products/s57c4x-240556 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af3e22d0-8ffb-4bfa-9997-d1313e16c690.png?v=1774669038 Upadacitinib Impurity 56 Upadacitinib Impurity 56|C4X-240556 https://www.jk-sci.com/products/s57c4x-240551 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-240567 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_faf61cea-5b80-4825-ab69-14d0fca8232a.png?v=1774887042 Upadacitinib Impurity 67 Upadacitinib Impurity 67|C4X-240567 https://www.jk-sci.com/products/ts246cs-0119635 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb3bad6f9613f23ce912e98e5b616493.jpg?v=1776478660 2,4-Dichloroisophthalonitrile | 19846-21-0 2,4-Dichloroisophthalonitrile|CS-0119635|19846-21-0 https://www.jk-sci.com/products/j5320932 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289280aef45bb79e4c6f6af6f2e72f5f.jpg?v=1776341064 6-Methoxyindole-3-acetonitrile | 23084-35-7 6-Methoxyindole-3-acetonitrile|20932|23084-35-7 https://www.jk-sci.com/products/ts246cs-0119827 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552162c6ce725897aea0fec30ba7b22a.jpg?v=1776478744 1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl trifluoromethanesulfonate | 85342-62-7 1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl trifluoromethanesulfonate|CS-0119827|85342-62-7 https://www.jk-sci.com/products/j5320949 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/690bc4a8c1ad6c26aaf90b685be07d0f.jpg?v=1776341076 1-O-Methyl-b-D-glucuronic acid sodium salt | 134253-42-2 1-O-Methyl-b-D-glucuronic acid sodium salt|20949|134253-42-2 https://www.jk-sci.com/products/ts246cs-0119870 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204475.png?v=1776478788 4,4'-Disulfanediyldibutyric acid | 2906-60-7 4,4'-Disulfanediyldibutyric acid|CS-0119870|2906-60-7 https://www.jk-sci.com/products/s57c4x-240578 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a73386e7f8eabc452109be90b716e1e6.jpg?v=1776417842 Upadacitinib Impurity 78 | 2411540-30-0 Upadacitinib Impurity 78|C4X-240578|2411540-30-0 https://www.jk-sci.com/products/s57c4x-240597 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aaa27828-0557-45d9-9f78-b294ed82cf97.png?v=1774722282 Upadacitinib Impurity 97 Upadacitinib Impurity 97|C4X-240597 https://www.jk-sci.com/products/ts246cs-0119979 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f0a0e7375b60dbccdf0638182f09108.jpg?v=1776478879 5-Bromo-1-fluoro-2,3-dimethylbenzene | 194805-16-8 5-Bromo-1-fluoro-2,3-dimethylbenzene|CS-0119979|194805-16-8 https://www.jk-sci.com/products/s57c4x-240722 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e94fb84-68c1-4448-a53a-35d6e6c5765d.png?v=1774660100 Daprodustat Impurity 22 Daprodustat Impurity 22|C4X-240722 https://www.jk-sci.com/products/ts246cs-0120011 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358718.png?v=1776478898 Anthracene-9,10-dicarbonitrile | 1217-45-4 Anthracene-9,10-dicarbonitrile|CS-0120011|1217-45-4 https://www.jk-sci.com/products/j5320970 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10f42c2695777e34b5c8de1bdabc7929.jpg?v=1776341092 3-Nitro-D-tyrosine | 32988-39-9 3-Nitro-D-tyrosine|20970|32988-39-9 https://www.jk-sci.com/products/ts246cs-0120056 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258b8f1a46edcf572fb275c8c509f85b.jpg?v=1776478935 3-Bromothieno[3,2-b]thiophene | 25121-83-9 3-Bromothieno[3,2-b]thiophene|CS-0120056|25121-83-9 https://www.jk-sci.com/products/ts246cs-0120127 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db4b86a2f4e9184e04dff2e6da9092e.jpg?v=1776478966 Thalidomide-O-amido-C4-NH2 (hydrochloride) | 2245697-86-1 Thalidomide-O-amido-C4-NH2 (hydrochloride)|CS-0120127|2245697-86-1 https://www.jk-sci.com/products/j5320992 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50d1465fe594cf6d84ea7516dbcfcfae.jpg?v=1776341127 5-Bromo-3-methylindole | 10075-48-6 5-Bromo-3-methylindole|20992|10075-48-6 https://www.jk-sci.com/products/ts246cs-0120193 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb26e13ddd9849fb6199a0d177c2432a.jpg?v=1776478997 N-Methyl-1-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanamine | 1150271-47-8 N-Methyl-1-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanamine|CS-0120193|1150271-47-8 https://www.jk-sci.com/products/ts246cs-0120297 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc5655331f5ac63316e1965209fb36a4.jpg?v=1776479029 2-Chloro-5-methoxypyridin-4-amine | 1227586-39-1 2-Chloro-5-methoxypyridin-4-amine|CS-0120297|1227586-39-1 https://www.jk-sci.com/products/j5321007 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3829b510b5d75a20aac57c2014244502.jpg?v=1776341143 5-Bromo-6-chloro-3-indolyl caprylate | 209347-94-4 5-Bromo-6-chloro-3-indolyl caprylate|21007|209347-94-4 https://www.jk-sci.com/products/j5321016 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c107913a84da522fffc4e2e9085804a.jpg?v=1776341158 5-Ethoxy-1H-indole-3-carbaldehyde | 169789-47-3 5-Ethoxy-1H-indole-3-carbaldehyde|21016|169789-47-3 https://www.jk-sci.com/products/s57c4x-24081 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b57f6186d1f6893cc85140e3fcd05762.jpg?v=1776417850 Cariprazine Impurity 1 | 791778-53-5 Cariprazine Impurity 1|C4X-24081|791778-53-5 https://www.jk-sci.com/products/ts246cs-0120406 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba28da6484249f929495598383b65489.jpg?v=1776479050 2-[(4R)-4,5-Dihydro-4-phenyl-2-oxazolyl]-6-methylpyridine | 199277-73-1 2-[(4R)-4,5-Dihydro-4-phenyl-2-oxazolyl]-6-methylpyridine|CS-0120406|199277-73-1 https://www.jk-sci.com/products/j5321126 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2e73c1911d80b342cf8057851edba2b.jpg?v=1776341196 (S)-2-Hydroxybutyric acid | 3347-90-8 (S)-2-Hydroxybutyric acid|21126|3347-90-8 https://www.jk-sci.com/products/j5321137 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c3652c728bfdebba43024d761aad289.jpg?v=1776341203 5-Cyano-DL-tryptophan | 139393-02-5 5-Cyano-DL-tryptophan|21137|139393-02-5 https://www.jk-sci.com/products/ts246cs-0120522 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d040ada6d2c2575605742abcaeb6ec4.jpg?v=1776479093 tert-Butyl 6-bromo-3,3-dimethyl-2,3-dihydro-1H-pyrrolo[3,2-b]pyridine-1-carboxylate | 1403901-49-4 tert-Butyl 6-bromo-3,3-dimethyl-2,3-dihydro-1H-pyrrolo[3,2-b]pyridine-1-carboxylate|CS-0120522|1403901-49-4 https://www.jk-sci.com/products/j5321154 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d42544d44eef730b02c40892898d27f.jpg?v=1776341218 5-Nitro-1H-indole-3-carbaldehyde | 6625-96-3 5-Nitro-1H-indole-3-carbaldehyde|21154|6625-96-3 https://www.jk-sci.com/products/s57c4x-24082 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96619153323b5cae0f9c06b82b3a511a.jpg?v=1776417855 Didesmethyl Cariprazine | 839712-25-3 Didesmethyl Cariprazine|C4X-24082|839712-25-3 https://www.jk-sci.com/products/ts246cs-0120603 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252791.png?v=1776479113 2-Nitrobenzene-1,4-diol | 16090-33-8 2-Nitrobenzene-1,4-diol|CS-0120603|16090-33-8 https://www.jk-sci.com/products/s57c4x-24087 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60140034ea7a9ff270e2bd65d6a3a2d3.jpg?v=1776417862 Cariprazine Impurity 7 | 2450971-05-6 Cariprazine Impurity 7|C4X-24087|2450971-05-6 https://www.jk-sci.com/products/s57c4x-2409 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13dbedb013a69f6162a6429a8bff2c59.jpg?v=1776417868 Lifitegrast | 1025967-78-5 Lifitegrast|C4X-2409|1025967-78-5 https://www.jk-sci.com/products/s57c4x-240910 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0120665 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/889c088a988d88e41b7407cc5e002afc.jpg?v=1776479141 (R)-1-(3-Chloro-5-fluorophenyl)ethan-1-amine hydrochloride | 1820574-01-3 (R)-1-(3-Chloro-5-fluorophenyl)ethan-1-amine hydrochloride|CS-0120665|1820574-01-3 https://www.jk-sci.com/products/s57c4x-24094 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49e71945e10ba75e2f950b7c28fdabdc.jpg?v=1776417874 Lifitegrast Impurity 4 HCl | 2177264-60-5 Lifitegrast Impurity 4 HCl|C4X-24094|2177264-60-5 https://www.jk-sci.com/products/s57c4x-240923 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a3849c97e83a9f9129d96c47a0bbf16.jpg?v=1776417871 Lifitegrast Impurity 23 | 1194550-65-6 Lifitegrast Impurity 23|C4X-240923|1194550-65-6 https://www.jk-sci.com/products/ts246cs-0120773 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffdc4d90aee0f6a6c35501f861d3fb23.jpg?v=1776479165 (S)-1-(3-Chloro-5-fluorophenyl)ethan-1-amine hydrochloride | 1998701-29-3 (S)-1-(3-Chloro-5-fluorophenyl)ethan-1-amine hydrochloride|CS-0120773|1998701-29-3 https://www.jk-sci.com/products/s57c4x-240953 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea8a45848761783ce344a2fbcdd3926d.jpg?v=1776417880 Lifitegrast Impurity 53 | 2215846-47-0 Lifitegrast Impurity 53|C4X-240953|2215846-47-0 https://www.jk-sci.com/products/s57c4x-24098 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/688d4f2103aecc56fbc686dc549580ec_655e3d4c-67ad-4ef3-9806-ec403fad94dc.jpg?v=1776417883 Lifitegrast Impurity 8 | 851784-82-2 Lifitegrast Impurity 8|C4X-24098|851784-82-2 https://www.jk-sci.com/products/s57c4x-24102 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8daa12976e4d4d14720a5267c82d7fed.jpg?v=1776417887 Foscarnet Sodium EP Impurity B | 55920-24-6 Foscarnet Sodium EP Impurity B|C4X-24102|55920-24-6 https://www.jk-sci.com/products/s57c4x-24112 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2486fef255a6be80bc85b51fa463ea2.jpg?v=1776417890 Bevantolol impurity 2 | 204584-12-3 Bevantolol impurity 2|C4X-24112|204584-12-3 https://www.jk-sci.com/products/s57c4x-24114 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c218cba-aa96-419c-a11f-c6779562f6cb.png?v=1775153421 Bevantolol Impurity 4 Bevantolol Impurity 4|C4X-24114 https://www.jk-sci.com/products/ts246cs-0120816 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6a705844bdb18b5e95989a9858cd06b.jpg?v=1776479177 4-Chloropyridine-2,6-dicarbonitrile | 55306-66-6 4-Chloropyridine-2,6-dicarbonitrile|CS-0120816|55306-66-6 https://www.jk-sci.com/products/ts246cs-0120917 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615320_3a721303-b664-4c9b-b18a-8c7be87a48d8.png?v=1776479205 MES (sodium salt) | 71119-23-8 MES (sodium salt)|CS-0120917|71119-23-8 https://www.jk-sci.com/products/s57c4x-24121 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e640321326adeafe3b9f3b51a160fdb.jpg?v=1776417899 Denaverine Impurity 1 | 2594-45-8 Denaverine Impurity 1|C4X-24121|2594-45-8 https://www.jk-sci.com/products/s57c4x-24123 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9323022d5c336874aba3cc9515a25600.jpg?v=1776417902 Denaverine Impurity 3 | 4348-15-6 Denaverine Impurity 3|C4X-24123|4348-15-6 https://www.jk-sci.com/products/s57c4x-241612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5ed41e93d853f19ce35330068c797a3.jpg?v=1776417905 Cenobamate impurity 12 | 913088-45-6 Cenobamate impurity 12|C4X-241612|913088-45-6 https://www.jk-sci.com/products/s57c4x-24163 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dae954509c248d8b7e62fe0ac9f85dca.jpg?v=1776417912 Cenobamate impurity 3 | 1259059-77-2 Cenobamate impurity 3|C4X-24163|1259059-77-2 https://www.jk-sci.com/products/s57c4x-241616 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1458ba63498342928e40740463e8530d.jpg?v=1776417909 Cenobamate Impurity16 | 1259059-74-9 Cenobamate Impurity16|C4X-241616|1259059-74-9 https://www.jk-sci.com/products/s57c4x-24168 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de6d7d6855010e7e32559186fa39cca4.jpg?v=1776417923 Cenobamate impurity 8 | 913087-59-9 Cenobamate impurity 8|C4X-24168|913087-59-9 https://www.jk-sci.com/products/s57c4x-24165 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef42f29eb782a425bd45db3a10f54ed6.jpg?v=1776417918 Cenobamate impurity 5 | 2857969-41-4 Cenobamate impurity 5|C4X-24165|2857969-41-4 https://www.jk-sci.com/products/ts246cs-0121045 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d134b9dea3f80f1c929743495da74565.jpg?v=1776479222 4-Iododibenzo[b,d]furan | 65344-26-5 4-Iododibenzo[b,d]furan|CS-0121045|65344-26-5 https://www.jk-sci.com/products/s57c4x-24185 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4947eb5ec50ee574c4ab8fa8417b1421.jpg?v=1776417926 Cephalosporin C Sodium Salt | 51762-04-0 Cephalosporin C Sodium Salt|C4X-24185|51762-04-0 https://www.jk-sci.com/products/s57c4x-24242 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a72800ab1afbd6c5804adb80971b0ab.jpg?v=1776417945 Arginine Impurity 2 | 89531-99-7 Arginine Impurity 2|C4X-24242|89531-99-7 https://www.jk-sci.com/products/s57c4x-241913 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68825f36efa7e156dbd0bc827d8206ef.jpg?v=1784618948 Adenosine Impurity 13 | 49540-14-9 Adenosine Impurity 13|C4X-241913|49540-14-9 https://www.jk-sci.com/products/s57c4x-241915 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e95dbadf684f85fa915d2fdd67fdb61a.jpg?v=1784618950 Adenosine Impurity 15 | 15648-76-7 Adenosine Impurity 15|C4X-241915|15648-76-7 https://www.jk-sci.com/products/ts246cs-0121109 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406690.png?v=1776479232 3,5-Bis(difluoromethyl)-1H-pyrazole | 77614-79-0 3,5-Bis(difluoromethyl)-1H-pyrazole|CS-0121109|77614-79-0 https://www.jk-sci.com/products/s57c4x-241924 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70d3e244-84a9-4fb8-ad88-bb5a4c403207.png?v=1784618954 Adenosine Impurity 12 4-sulfobutane-1-sulfonate Adenosine Impurity 12 4-sulfobutane-1-sulfonate|C4X-241924 https://www.jk-sci.com/products/s57c4x-24197 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c477b3e6d1b60101099f2e8cec9ce6e1.jpg?v=1784618959 Adenosine-13C5 | 159496-13-6 Adenosine-13C5|C4X-24197|159496-13-6 https://www.jk-sci.com/products/ts246cs-0121259 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558310.png?v=1776479244 2,2-Difluoroethylamine hydrochloride | 79667-91-7 2,2-Difluoroethylamine hydrochloride|CS-0121259|79667-91-7 https://www.jk-sci.com/products/ts246cs-0121490 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430928.png?v=1776479271 Octafluoronaphthalene | 313-72-4 Octafluoronaphthalene|CS-0121490|313-72-4 https://www.jk-sci.com/products/j5321163 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce0442048f220d89dc28bb55338a55f1.jpg?v=1776341227 1,2,3,4,6-Penta-O-acetyl-D-glucopyranose | 3891-59-6 1,2,3,4,6-Penta-O-acetyl-D-glucopyranose|21163|3891-59-6 https://www.jk-sci.com/products/ts246cs-0121640 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264731.png?v=1776479297 Sodium bromodifluoroacetate | 84349-27-9 Sodium bromodifluoroacetate|CS-0121640|84349-27-9 https://www.jk-sci.com/products/ts246cs-0122083 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c819d6fc1f1bf7faa980d7bb99a4d3ef.jpg?v=1776479336 Ethyl 3-(naphthalen-2-yl)-3-oxopropanoate | 62550-65-6 Ethyl 3-(naphthalen-2-yl)-3-oxopropanoate|CS-0122083|62550-65-6 https://www.jk-sci.com/products/s57c4x-24245 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd1398fa675f3d40cad99368077009fa.jpg?v=1776417948 Arginine Impurity 5 | 28958-90-9 Arginine Impurity 5|C4X-24245|28958-90-9 https://www.jk-sci.com/products/s57c4x-24262 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_473a3cac-49fd-4404-9ece-2e0b005d8176.png?v=1774646644 Lumefantrine Impurity 2 Lumefantrine Impurity 2|C4X-24262 https://www.jk-sci.com/products/ts246cs-0122139 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/000d7c5c3f5cb1b63b88a5627af4af06.jpg?v=1776479367 3-(2-Fluorophenyl)prop-2-ynoic acid | 704-97-2 3-(2-Fluorophenyl)prop-2-ynoic acid|CS-0122139|704-97-2 https://www.jk-sci.com/products/s57c4x-24265 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/896939412f5be38af52e74f1e9672750.jpg?v=1776417954 Lumefantrine Impurity 5 | 69759-61-1 Lumefantrine Impurity 5|C4X-24265|69759-61-1 https://www.jk-sci.com/products/ts246cs-0122237 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09f9fc50ed70fbad8656cf2c4571495d.jpg?v=1776479381 3-Fluorobenzene-1-carboximidamide hydrochloride | 75207-72-6 3-Fluorobenzene-1-carboximidamide hydrochloride|CS-0122237|75207-72-6 https://www.jk-sci.com/products/s57c4x-242723 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-242729 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3af5f08a2668eae596cb65dc237a3077.jpg?v=1776417957 Piperazine Impurity 29 | 1698-25-5 Piperazine Impurity 29|C4X-242729|1698-25-5 https://www.jk-sci.com/products/s57c4x-242739 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d935ea351c20883683c4d41dc2094f6.jpg?v=1776417963 Piperazine Impurity 39 | 878771-07-4 Piperazine Impurity 39|C4X-242739|878771-07-4 https://www.jk-sci.com/products/s57c4x-2429146 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c2c8329d-1aec-4546-8af3-f6009ef8da47.png?v=1774904714 Relugoli Impurity 146 Relugoli Impurity 146|C4X-2429146 https://www.jk-sci.com/products/s57c4x-242911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/004a194eb85dbeac00c1864b22314cdd.jpg?v=1776417972 Relugolix Impurity 11 | 2814571-34-9 Relugolix Impurity 11|C4X-242911|2814571-34-9 https://www.jk-sci.com/products/s57c4x-242747 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-2429148 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b35d4f8-0345-4f70-8f4a-cf89e983ee52.png?v=1775063302 Relugoli Impurity 148 Relugoli Impurity 148|C4X-2429148 https://www.jk-sci.com/products/s57c4x-2429196 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec6daee2-ffdd-4310-ae1a-268c70870c95.png?v=1774670960 Relugolix Impurity 196 Relugolix Impurity 196|C4X-2429196 https://www.jk-sci.com/products/s57c4x-242936 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144093_028ec597-f242-4430-8226-e067eed45e6e.png?v=1775142112 Relugolix Impurity 36 | 7252-84-8 Relugolix Impurity 36|C4X-242936|7252-84-8 https://www.jk-sci.com/products/s57c4x-2429201 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43854dfb-595a-4b80-a029-2359f98fc271.png?v=1774892967 Relugolix Impurity 201 Relugolix Impurity 201|C4X-2429201 https://www.jk-sci.com/products/s57c4x-242939 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02e34bf66bac5ede50c4049de81adfed.jpg?v=1776417978 Relugolix Impurity 39 | 2814571-33-8 Relugolix Impurity 39|C4X-242939|2814571-33-8 https://www.jk-sci.com/products/ts246cs-0122413 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f129271448cc922b7737c2ffd7aae71f.jpg?v=1776479402 Methyl 2-chlorobenzo[d]thiazole-7-carboxylate | 1196152-62-1 Methyl 2-chlorobenzo[d]thiazole-7-carboxylate|CS-0122413|1196152-62-1 https://www.jk-sci.com/products/s57c4x-242955 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95880c44893d73654250547decc08072.jpg?v=1776417982 Relugolix Impurity 55 | 57041-95-9 Relugolix Impurity 55|C4X-242955|57041-95-9 https://www.jk-sci.com/products/ts246cs-0122460 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418916.png?v=1776479410 2-(4-Fluorobenzoyl)pyridine | 169955-75-3 2-(4-Fluorobenzoyl)pyridine|CS-0122460|169955-75-3 https://www.jk-sci.com/products/ts246cs-0122519 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd130059806d86158a9c8ea011e58a76.jpg?v=1776479419 2,3-Dimethyl-1,2,3,4-tetrahydroquinoxaline | 13311-77-8 2,3-Dimethyl-1,2,3,4-tetrahydroquinoxaline|CS-0122519|13311-77-8 https://www.jk-sci.com/products/j5321175 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c84b5106f4c5a66b1fe3800cbbb5940d.jpg?v=1776341247 4-Methoxy-1H-indole-2-carboxylic acid | 103260-65-7 4-Methoxy-1H-indole-2-carboxylic acid|21175|103260-65-7 https://www.jk-sci.com/products/s57c4x-242990 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9e8b18d6-5be8-44ee-80b7-6d9578c74bc8.png?v=1774662217 Relugolix Impurity 90 Relugolix Impurity 90|C4X-242990 https://www.jk-sci.com/products/ts246cs-0122774 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7aa2bea04266d0508cfd091d326db0cb.jpg?v=1776479436 Ethyl 5-(3,4-dichlorophenyl)-1H-pyrazole-3-carboxylate | 1284219-86-8 Ethyl 5-(3,4-dichlorophenyl)-1H-pyrazole-3-carboxylate|CS-0122774|1284219-86-8 https://www.jk-sci.com/products/s57c4x-242995 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-243013 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76f3b6495a2b90ca75cc449b55463c8b.jpg?v=1776417987 Perampanel Impurity 13 | 2872587-50-1 Perampanel Impurity 13|C4X-243013|2872587-50-1 https://www.jk-sci.com/products/s57c4x-243016 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52298236010497559e9bcc1f0c92b55a_8794c53c-af89-4433-abd9-86fab72b0c8b.jpg?v=1776417993 Perampanel Impurity 16 | 381233-78-9 Perampanel Impurity 16|C4X-243016|381233-78-9 https://www.jk-sci.com/products/s57c4x-24302 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08c3e8fa653ffe6c7d2af0739c9c7c78.jpg?v=1776417996 Perampanel Impurity 2 | 380919-67-5 Perampanel Impurity 2|C4X-24302|380919-67-5 https://www.jk-sci.com/products/s57c4x-24303 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/743bb564bc852323a5167505711b11a4.jpg?v=1776418002 Perampanel Impurity 3 | 380919-34-6 Perampanel Impurity 3|C4X-24303|380919-34-6 https://www.jk-sci.com/products/s57c4x-243041 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c5bb0288-b0f9-4ef3-86f0-555d3a2c1d69.png?v=1774727085 Perampanel impurity 41 Perampanel impurity 41|C4X-243041 https://www.jk-sci.com/products/s57c4x-243043 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_608f6e74-f659-4570-96cd-26f69bd0c534.png?v=1774639203 Perampanel impurity 43 Perampanel impurity 43|C4X-243043 https://www.jk-sci.com/products/s57c4x-24321 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f15388b79747af1eaa38833039490b8.jpg?v=1776418018 Testosterone Impurity 1 | 2763446-42-8 Testosterone Impurity 1|C4X-24321|2763446-42-8 https://www.jk-sci.com/products/s57c4x-24306 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23e2fa1c135aa2b8c50bca94fe4dd1a9.jpg?v=1776418012 Perampanel Impurity 6 | 381725-50-4 Perampanel Impurity 6|C4X-24306|381725-50-4 https://www.jk-sci.com/products/s57c4x-24324 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7d3ad3c4-5e15-4144-b849-af4f51939e48.png?v=1774725172 Testosterone Impurity 4 Testosterone Impurity 4|C4X-24324 https://www.jk-sci.com/products/s57c4x-243220 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293739.png?v=1775052919 5beta-Dihydrotestosterone | 571-22-2 5beta-Dihydrotestosterone|C4X-243220|571-22-2 https://www.jk-sci.com/products/s57c4x-24326 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110213_410213b5-f372-4b2b-a89c-744e1514840c.png?v=1774904719 6-beta-Hydroxytestosterone | 62-99-7 6-beta-Hydroxytestosterone|C4X-24326|62-99-7 https://www.jk-sci.com/products/ts246cs-0123081 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08d336fec34fb391748fa0ed941a9102.jpg?v=1776479456 1-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]methanamine | 857653-92-0 1-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]methanamine|CS-0123081|857653-92-0 https://www.jk-sci.com/products/s57c4x-243514 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dae8ab6d46e2bde0b687680a813cdc31_57d777ef-b33f-49cd-9587-58b0330874e8.jpg?v=1776418027 Drotaverine Impurity 14 | 5763-61-1 Drotaverine Impurity 14|C4X-243514|5763-61-1 https://www.jk-sci.com/products/s57c4x-24352 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-243544 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-24391 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d13b5da2-0014-4503-b1c7-e8bae90aa63a.png?v=1774722285 Imidapril Impurity 1 Imidapril Impurity 1|C4X-24391 https://www.jk-sci.com/products/s57c4x-24421 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd11e4784a5b19a535a628707b0fe4a9.jpg?v=1776418039 Asparagine EP Impurity C | 98490-54-1 Asparagine EP Impurity C|C4X-24421|98490-54-1 https://www.jk-sci.com/products/s57c4x-243550 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/585781.png?v=1774662222 Drotaverin Impurity 50 | 5409-31-4 Drotaverin Impurity 50|C4X-243550|5409-31-4 https://www.jk-sci.com/products/ts246cs-0123178 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/551749.png?v=1776479463 6-Methoxy-1-methyl-1h-indole-2-carboxylic acid | 739365-07-2 6-Methoxy-1-methyl-1h-indole-2-carboxylic acid|CS-0123178|739365-07-2 https://www.jk-sci.com/products/s57c4x-24423 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-2444 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161885_da5e937e-eabd-4efe-bb7c-7e4c879db206.png?v=1775052924 Methocarbamol | 532-03-6 Methocarbamol|C4X-2444|532-03-6 https://www.jk-sci.com/products/s57c4x-219635 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52b35548-2af2-4075-b1f6-26c7004d78d3.png?v=1774661267 Morinidazole Impurity 35 Formate Morinidazole Impurity 35 Formate|C4X-219635 https://www.jk-sci.com/products/s57c4x-20242 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adc2643424ae94019abfaa4ae515d41a.jpg?v=1776416513 Etoposide EP Impurity B | 100007-56-5 Etoposide EP Impurity B|C4X-20242|100007-56-5 https://www.jk-sci.com/products/s57c4x-214927 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80dc5eec2c81884026fc9c17a919cc86.jpg?v=1776417050 Diquafosol trisodium phosphate | 63785-59-1 Diquafosol trisodium phosphate|C4X-214927|63785-59-1 https://www.jk-sci.com/products/j5321180 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d7de5d4011d87296fded5ec2365be3d.jpg?v=1776341262 5,6-Dimethoxyindole | 14430-23-0 5,6-Dimethoxyindole|21180|14430-23-0 https://www.jk-sci.com/products/ts246cs-0124019 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34dd5802d417c8739944599bdd637eed.jpg?v=1776479469 5-(Aminomethyl)-2-fluorophenol hydrochloride | 2044704-82-5 5-(Aminomethyl)-2-fluorophenol hydrochloride|CS-0124019|2044704-82-5 https://www.jk-sci.com/products/s57c4x-20966 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/219019_e35399e0-ffca-4540-9e40-42522a4461c8.png?v=1774974632 Benazepril EP Impurity F | 109010-60-8 Benazepril EP Impurity F|C4X-20966|109010-60-8 https://www.jk-sci.com/products/s57c4x-22314-ss 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/158883_0d7f8b95-23b4-4a72-b654-0dd73a5e0c26.png?v=1774640867 Glyceryl Trinitrate Solution EP Impurity D | 621-65-8 Glyceryl Trinitrate Solution EP Impurity D|C4X-22314-SS|621-65-8 https://www.jk-sci.com/products/s57c4x-22182 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_924d178b-d324-4a42-a8f7-5a63cbe2d0ae.png?v=1774717681 Calcitonin EP Impurity B Calcitonin EP Impurity B|C4X-22182 https://www.jk-sci.com/products/s57c4x-221379 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5ac9aba-97c5-4f27-81a4-e236cf3e8dfd.png?v=1774900846 Roxadustat Impurity 79 Roxadustat Impurity 79|C4X-221379 https://www.jk-sci.com/products/j5321187 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a02aa82e86707ef8a0c780d3c2d4a06.jpg?v=1776341280 5,6-Difluoroindole | 169674-01-5 5,6-Difluoroindole|21187|169674-01-5 https://www.jk-sci.com/products/ts246cs-0124104 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1a3bd6e70ff8cc2c8be74b1de2e71c3.jpg?v=1776479477 4-Nitro-1-(propan-2-yl)-1h-pyrazole | 97421-21-1 4-Nitro-1-(propan-2-yl)-1h-pyrazole|CS-0124104|97421-21-1 https://www.jk-sci.com/products/s57c4x-22365 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63c61e65-d85e-499e-b298-62e2d8b886fe.png?v=1774734601 Epalrestat Impurity 5 Epalrestat Impurity 5|C4X-22365 https://www.jk-sci.com/products/ts246cs-0124174 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d99899bcbc5729e6d9471e5a61a8d7d3.jpg?v=1776479485 1-Propyl-1h-pyrazol-3-amine | 956393-73-0 1-Propyl-1h-pyrazol-3-amine|CS-0124174|956393-73-0 https://www.jk-sci.com/products/s57c4x-22526 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319522_dafc2a86-5dbe-484f-a9ce-b55dfbcd8b0d.png?v=1774903194 Metaraminol Bitartrate | 33402-03-8 Metaraminol Bitartrate|C4X-22526|33402-03-8 https://www.jk-sci.com/products/ts246cs-0113578 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68c0ed49d94889c71677e36c38c2ee81.jpg?v=1776477282 1-(7,8-Dihydronaphthalen-1-yl)ethan-1-one | 802918-39-4 1-(7,8-Dihydronaphthalen-1-yl)ethan-1-one|CS-0113578|802918-39-4 https://www.jk-sci.com/products/s57c4x-225376 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df607da2-df44-4855-b5f4-fa6c56038942.png?v=1774666011 Bilastine Impurity 76 Bilastine Impurity 76|C4X-225376 https://www.jk-sci.com/products/ts246cs-0115137 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4927282fa1952a3d52175f02fcc16dd7.jpg?v=1776477972 Acid-PEG3-mono-methyl ester | 1807505-26-5 Acid-PEG3-mono-methyl ester|CS-0115137|1807505-26-5 https://www.jk-sci.com/products/j5321195 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04335f19852e657b394e863f6b504460.jpg?v=1776341304 1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indole | 16502-01-5 1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indole|21195|16502-01-5 https://www.jk-sci.com/products/ts246cs-0116295 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17c0ac2410ed5bb333e6c35a58f05ae7.jpg?v=1776478257 Cbz-NH-PEG1-CH2CH2COOH | 1205751-19-4 Cbz-NH-PEG1-CH2CH2COOH|CS-0116295|1205751-19-4 https://www.jk-sci.com/products/s57c4x-225715 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d9114d3d-742b-4bc9-8e3c-91308f519e41.png?v=1774723213 Gadoteridol Impurity 15 Gadoteridol Impurity 15|C4X-225715 https://www.jk-sci.com/products/ts246cs-0117180 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606480.png?v=1776478456 3-Methoxy-5,6,7,8-tetrahydro-2-naphthalenecarbaldehyde | 78112-35-3 3-Methoxy-5,6,7,8-tetrahydro-2-naphthalenecarbaldehyde|CS-0117180|78112-35-3 https://www.jk-sci.com/products/s57c4x-226032 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556283_724ff581-9454-4148-aac9-daec0908a24e.png?v=1774741493 Baricitinib Impurity 32 | 269410-08-4 Baricitinib Impurity 32|C4X-226032|269410-08-4 https://www.jk-sci.com/products/ts246cs-0119443 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608851_0230b2d9-0e2f-4497-b720-b50404deb181.png?v=1776478629 4,7-Dihydroxy-2H-chromen-2-one | 1983-81-9 4,7-Dihydroxy-2H-chromen-2-one|CS-0119443|1983-81-9 https://www.jk-sci.com/products/s57c4x-226062 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0119852 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47fee7afcd0321d8e9a12cc16222f5ac.jpg?v=1776478774 3-Oxocyclohexane-1-carbonitrile | 17983-30-1 3-Oxocyclohexane-1-carbonitrile|CS-0119852|17983-30-1 https://www.jk-sci.com/products/s57c4x-2267 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323687_8d7e4e7d-1d7e-46af-98cf-a0cb85424918.png?v=1774986513 Emedastine Difumarate | 87233-62-3 Emedastine Difumarate|C4X-2267|87233-62-3 https://www.jk-sci.com/products/s57c4x-22795 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aaf06a40-85d7-4f18-8a96-3eb42c7137dd.png?v=1774642587 Eperisone Impurity 5 Eperisone Impurity 5|C4X-22795 https://www.jk-sci.com/products/ts246cs-0119984 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600130_a2bd7c0a-0a28-4f74-af25-84ba2ecd2ede.png?v=1776478884 Ethyl (R)-piperidine-3-carboxylate hydrochloride | 37675-19-7 Ethyl (R)-piperidine-3-carboxylate hydrochloride|CS-0119984|37675-19-7 https://www.jk-sci.com/products/s57c4x-22675 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3ac861ee96c0dd95e1bdc4f21341a2a.jpg?v=1776417503 Emedastine EP Impurity E | 101954-20-5 Emedastine EP Impurity E|C4X-22675|101954-20-5 https://www.jk-sci.com/products/ts246cs-0120102 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c45fab42e752ba622580b0903e22096.jpg?v=1776478954 (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-oxopyrrolidine-2-carboxylic acid | 223581-83-7 (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-oxopyrrolidine-2-carboxylic acid|CS-0120102|223581-83-7 https://www.jk-sci.com/products/ts246cs-0120266 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdc855d3628ad13db24b2ea5bff3676e.jpg?v=1776479018 (2,4-Dimethylphenyl)(phenyl)methanamine hydrochloride | 1422169-56-9 (2,4-Dimethylphenyl)(phenyl)methanamine hydrochloride|CS-0120266|1422169-56-9 https://www.jk-sci.com/products/s57c4x-229324 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4bd19113-d643-4588-b24d-e008c042d3cb.png?v=1774670944 Atosiban Impurity 24 TFA Salt Atosiban Impurity 24 TFA Salt|C4X-229324 https://www.jk-sci.com/products/s57c4x-229352 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5a4710e-49c4-4ac9-ba84-e4f73147ae25.png?v=1775071763 Atosiban Impurity 52 Atosiban Impurity 52|C4X-229352 https://www.jk-sci.com/products/s57c4x-22901 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0120463 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0f2bbd1c624453386c5dc052e04f90a.jpg?v=1776479077 3-Cyclopentylisoxazole-4-carboxylic acid | 1368184-98-8 3-Cyclopentylisoxazole-4-carboxylic acid|CS-0120463|1368184-98-8 https://www.jk-sci.com/products/s57c4x-23003 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d513fbea-3653-4939-990e-0001821c6e9c.png?v=1775056007 Tiapride Impurity 3 HCl Tiapride Impurity 3 HCl|C4X-23003 https://www.jk-sci.com/products/s57c4x-229732 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5abcbb6570be4a773f4a08573ce62fe4.jpg?v=1776417585 Tegoprazan impurity 32 | 2351939-46-1 Tegoprazan impurity 32|C4X-229732|2351939-46-1 https://www.jk-sci.com/products/j5317969 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/903408e533e23c1b1d3b9eb50096c1f4.jpg?v=1776337684 2-Amino-4-methoxy-benzoic acid methyl ester | 50413-30-4 2-Amino-4-methoxy-benzoic acid methyl ester|17969|50413-30-4 https://www.jk-sci.com/products/s57c4x-2297 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6fceff57c5cc3eb5e71cf5d30d55cd9_e10a805e-fdc6-4e7a-9f51-fc9697af2871.jpg?v=1776417571 Tegoprazan | 942195-55-3 Tegoprazan|C4X-2297|942195-55-3 https://www.jk-sci.com/products/s57c4x-23066 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210c58840cec91f3ff6ff3b2371fe4d4.jpg?v=1776417612 Cyclophosphamide EP Impurity D | 158401-52-6 Cyclophosphamide EP Impurity D|C4X-23066|158401-52-6 https://www.jk-sci.com/products/s57c4x-232117 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3ce9d6f-e341-4076-a163-a156c9adf59e.png?v=1774670952 Oxacillin Impurity 17 Oxacillin Impurity 17|C4X-232117 https://www.jk-sci.com/products/j5318562 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b690e10347a8b33a6a36fd424924c796.jpg?v=1776338618 2-(2H-Tetrazol-5-yl)phenylboronic acid | 155884-01-8 2-(2H-Tetrazol-5-yl)phenylboronic acid|18562|155884-01-8 https://www.jk-sci.com/products/s57c4x-23102 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bae0a6f8856c803df3468ee4cdbc2569.jpg?v=1776417628 Carbidopa EP Impurity B | 18181-08-3 Carbidopa EP Impurity B|C4X-23102|18181-08-3 https://www.jk-sci.com/products/s57c4x-23291 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_90b72d01-2375-45c0-a327-40b0a68c59ab.png?v=1774713133 Niraparib Impurity 1 Niraparib Impurity 1|C4X-23291 https://www.jk-sci.com/products/ts246cs-0120624 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09d2d46c533a4902b5e6c124cef1c922.jpg?v=1776479127 3-Bromo-2,4-difluoro-1,5-dimethoxybenzene | 1700265-02-6 3-Bromo-2,4-difluoro-1,5-dimethoxybenzene|CS-0120624|1700265-02-6 https://www.jk-sci.com/products/j5318934 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9605841a70d8117db1658592273150b3.jpg?v=1776339093 3-Phenyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine | 885281-16-3 3-Phenyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine|18934|885281-16-3 https://www.jk-sci.com/products/s57c4x-23364 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289125_b871af3b-6bad-47de-94c6-6cbb25001a26.png?v=1775072932 21-Deacetoxy Deflazacort | 13649-88-2 21-Deacetoxy Deflazacort|C4X-23364|13649-88-2 https://www.jk-sci.com/products/s57c4x-233210 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59f8b03b2f61642853e185832544789c.jpg?v=1776417665 Pazufloxacin Impurity 10 | 165071-09-0 Pazufloxacin Impurity 10|C4X-233210|165071-09-0 https://www.jk-sci.com/products/s57c4x-2357 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-237922 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c47348994fb5cf2a9e728298035360.jpg?v=1776417697 2,2-Dibromo-4’-(methylsulfonyl)acetophenone | 85976-24-5 2,2-Dibromo-4’-(methylsulfonyl)acetophenone|C4X-237922|85976-24-5 https://www.jk-sci.com/products/s57c4x-238132 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dafdf6cc61d054857f7439c4a6e25481.jpg?v=1776417719 Fluocinolone Acetonide Impurity 32 | 3914-23-6 Fluocinolone Acetonide Impurity 32|C4X-238132|3914-23-6 https://www.jk-sci.com/products/s57c4x-23819 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_02209d5d-59c0-4d8e-ac1d-6ef748965c35.png?v=1774967256 Fluocinolone Acetonide EP Impurity I Fluocinolone Acetonide EP Impurity I|C4X-23819 https://www.jk-sci.com/products/ts246cs-0120799 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e5d88e90015cffe9d1b975644f52055.jpg?v=1776479173 2-(Aminomethyl)-5-(4-methylthiazol-5-yl)phenol | 1448190-11-1 2-(Aminomethyl)-5-(4-methylthiazol-5-yl)phenol|CS-0120799|1448190-11-1 https://www.jk-sci.com/products/ts246cs-0120993 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20b5416f1ac446f8c21774d1548b0f5c.jpg?v=1776479219 3-Amino-2-methoxyisonicotinamide | 1470249-13-8 3-Amino-2-methoxyisonicotinamide|CS-0120993|1470249-13-8 https://www.jk-sci.com/products/s57c4x-23842 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494977_b43256eb-34ac-4043-b677-78e6b4649244.png?v=1774667007 Acetazolamide EP Impurity C | 32873-56-6 Acetazolamide EP Impurity C|C4X-23842|32873-56-6 https://www.jk-sci.com/products/ts246cs-0121160 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233338.png?v=1776479238 4-Bromotetrafluorobenzonitrile | 17823-40-4 4-Bromotetrafluorobenzonitrile|CS-0121160|17823-40-4 https://www.jk-sci.com/products/s57c4x-23972 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79172649c074d6f9bad1a57c80ad51e6.jpg?v=1776417748 Methoxyphenamine Impurity 72 | 71828-08-5 Methoxyphenamine Impurity 72|C4X-23972|71828-08-5 https://www.jk-sci.com/products/j5319155 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/678586d8e4d6bf4ea4c910dd9c4607c9.jpg?v=1776339485 3-tert-Butyl-1-(3-methylphenyl)-1H-pyrazol-5-amine | 898537-77-4 3-tert-Butyl-1-(3-methylphenyl)-1H-pyrazol-5-amine|19155|898537-77-4 https://www.jk-sci.com/products/s57c4x-23992 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131983_254047f8-f262-4598-8f76-e5bccf975fce.png?v=1774900867 Peridine Impurity 2 | 143900-43-0 Peridine Impurity 2|C4X-23992|143900-43-0 https://www.jk-sci.com/products/s57c4x-24012 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7916b19a87ed9e5b0b029306c793f9f.jpg?v=1776417774 Pilocarpine EP Impurity B Sodium Salt | 92598-79-3 Pilocarpine EP Impurity B Sodium Salt|C4X-24012|92598-79-3 https://www.jk-sci.com/products/s57c4x-240419 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e7fa30a0-69bd-49ef-a0fa-9e68f6f50f19.png?v=1774967261 Opicapone impurity 19 Opicapone impurity 19|C4X-240419 https://www.jk-sci.com/products/j5319281 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/005e55aae99c11877dc836815017eb05.jpg?v=1776339661 8-Methyl-Imidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester | 67625-40-5 8-Methyl-Imidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester|19281|67625-40-5 https://www.jk-sci.com/products/s57c4x-240531 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4995727c-3597-47d9-a141-6ba33d7d5eca.png?v=1774887037 Upadacitinib Impurity 31 Upadacitinib Impurity 31|C4X-240531 https://www.jk-sci.com/products/s57c4x-240538 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e1443d56-a848-4d18-ab04-aafde7bb9e6e.png?v=1774880652 Upadacitinib Impurity 38 Upadacitinib Impurity 38|C4X-240538 https://www.jk-sci.com/products/s57c4x-240516 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fef728a9760ae762248563dd36e6f096.jpg?v=1776417804 Upadacitinib Impurity 16 | 1428243-26-8 Upadacitinib Impurity 16|C4X-240516|1428243-26-8 https://www.jk-sci.com/products/s57c4x-240525 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8397e0d71b26440e3a645a06ddb5a947.jpg?v=1776417819 Upadacitinib Impurity 25 | 2050038-81-6 Upadacitinib Impurity 25|C4X-240525|2050038-81-6 https://www.jk-sci.com/products/s57c4x-240548 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-240553 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a38fe451d65624b49e6744d20c8de513.jpg?v=1776417836 Upadacitinib Impurity 53 | 1046861-47-5 Upadacitinib Impurity 53|C4X-240553|1046861-47-5 https://www.jk-sci.com/products/j5319438 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21d3e741b479d6c020b86799c29500b7.jpg?v=1776339843 Methyl-(2-m-tolyl-ethyl)amine | 137069-23-9 Methyl-(2-m-tolyl-ethyl)amine|19438|137069-23-9 https://www.jk-sci.com/products/ts246cs-0121520 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327891.png?v=1776479285 Pentafluorophenyl methacrylate | 13642-97-2 Pentafluorophenyl methacrylate|CS-0121520|13642-97-2 https://www.jk-sci.com/products/s57c4x-240719 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162548_e11dbf56-d7a8-48ab-b13e-cb821586d6fd.png?v=1774892962 Cyclohexyl Isothiocyanate | 1122-82-3 Cyclohexyl Isothiocyanate|C4X-240719|1122-82-3 https://www.jk-sci.com/products/s57c4x-240577 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/859c69c50d49466b12c6e6840b421711.jpg?v=1776417839 Upadacitinib Impurity 77 | 2050038-84-9 Upadacitinib Impurity 77|C4X-240577|2050038-84-9 https://www.jk-sci.com/products/j5319635 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d78c8fa1d71ba6c90dc3d379191a7eba.jpg?v=1776340022 (R)-4-Z-thiomorpholine-3-carboxylic acid | 114580-22-2 (R)-4-Z-thiomorpholine-3-carboxylic acid|19635|114580-22-2 https://www.jk-sci.com/products/s57c4x-240810 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acf46c51899e8c429a85518823c375da.jpg?v=1776417853 Cariprazine Impurity 10 | 506427-91-4 Cariprazine Impurity 10|C4X-240810|506427-91-4 https://www.jk-sci.com/products/s57c4x-24089 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e65a333da9eaa8b4c19304196d02533_5674478e-7b30-4b6a-934a-3e4ec1629cd0.jpg?v=1776417865 Cariprazine Impurity 9 | 1480744-38-4 Cariprazine Impurity 9|C4X-24089|1480744-38-4 https://www.jk-sci.com/products/j5319838 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13786bef4e2f4e14315b0ede36ba05e2.jpg?v=1776340128 1H-Pyrazolo[3,4-c]pyridine | 271-47-6 1H-Pyrazolo[3,4-c]pyridine|19838|271-47-6 https://www.jk-sci.com/products/s57c4x-24101 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521959_9349725b-045b-46a1-a502-742bfc04701a.png?v=1774668023 Foscarnet Sodium EP Impurity D | 1474-78-8 Foscarnet Sodium EP Impurity D|C4X-24101|1474-78-8 https://www.jk-sci.com/products/j5319943 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9a249d1a646623aeb469d6a19b9c6f0.jpg?v=1776340221 2,4-Dimethoxy-benzamidine·HCl | 131947-81-4 2,4-Dimethoxy-benzamidine·HCl|19943|131947-81-4 https://www.jk-sci.com/products/s57c4x-24095 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1527291dd3f6f1135d7300ead5625437.jpg?v=1776417877 Lifitegrast Impurity 5 | 2129597-34-6 Lifitegrast Impurity 5|C4X-24095|2129597-34-6 https://www.jk-sci.com/products/s57c4x-24171 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/516658.png?v=1774713143 Glucosamine Hydrochloride Impurity F | 3646-68-2 Glucosamine Hydrochloride Impurity F|C4X-24171|3646-68-2 https://www.jk-sci.com/products/s57c4x-24113 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4beab644974c9770d015198b0582ec10.jpg?v=1776417893 Bevantolol impurity 3 | 15620-78-7 Bevantolol impurity 3|C4X-24113|15620-78-7 https://www.jk-sci.com/products/s57c4x-24092 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-24244 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478757_a1936b79-6d9d-4b56-973f-349a2ebfe5ca.png?v=1774710357 Arginine Impurity 4 | 1892-22-4 Arginine Impurity 4|C4X-24244|1892-22-4 https://www.jk-sci.com/products/ts246cs-0122129 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cf9e11b03b0467f3e6baa6d9e8ba7f4.jpg?v=1776479350 3-(4-Methoxyphenyl)prop-2-ynoic acid | 2227-57-8 3-(4-Methoxyphenyl)prop-2-ynoic acid|CS-0122129|2227-57-8 https://www.jk-sci.com/products/ts246cs-0122347 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6c94325774170666f7ef868dcfab35a.jpg?v=1776479395 5-Ethynylthiophene-2-carbaldehyde | 206768-21-0 5-Ethynylthiophene-2-carbaldehyde|CS-0122347|206768-21-0 https://www.jk-sci.com/products/s57c4x-24122 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-241615 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c13ab071-e568-479a-a556-a94f3729da53.png?v=1774724170 Cenobamate Impurity 15 Cenobamate Impurity 15|C4X-241615 https://www.jk-sci.com/products/j5320118 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd8adbe74b3824c8ba560338101a77e.jpg?v=1776340343 3-Chloro-4-fluoro-benzamidine hydrochloride | 477844-52-3 3-Chloro-4-fluoro-benzamidine hydrochloride|20118|477844-52-3 https://www.jk-sci.com/products/j5320289 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ccfd99859019c8b14cdc627c92d256a.jpg?v=1776340486 4-Fluoro-2-nitro-benzaldehyde | 2923-96-8 4-Fluoro-2-nitro-benzaldehyde|20289|2923-96-8 https://www.jk-sci.com/products/ts246cs-0122502 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fce483abeed80ceb969c5fe32025634.jpg?v=1776479413 Benzyl N-[(2-Chlorophenyl)(cyano)methyl]carbamate | 1353000-08-4 Benzyl N-[(2-Chlorophenyl)(cyano)methyl]carbamate|CS-0122502|1353000-08-4 https://www.jk-sci.com/products/ts246cs-0123075 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b9b743fa95aeea4b0392ccba73cc3a6.jpg?v=1776479452 1-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methanamine | 944901-69-3 1-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methanamine|CS-0123075|944901-69-3 https://www.jk-sci.com/products/j5320176 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0da1ae8d8c60d4c82c285f24cbad1d2.jpg?v=1776340403 4-(2-Methoxy-ethoxy)phenol | 51980-60-0 4-(2-Methoxy-ethoxy)phenol|20176|51980-60-0 https://www.jk-sci.com/products/s57c4x-24164 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291aef23166cacea98b460b2d4f806ae.jpg?v=1776417915 Cenobamate impurity 4 | 1259059-68-1 Cenobamate impurity 4|C4X-24164|1259059-68-1 https://www.jk-sci.com/products/ts246cs-0123982 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fb578dfa0c2df3483c499f4e356fee3.jpg?v=1776479466 3-Nitro-1-(propan-2-yl)-1h-pyrazole | 1003012-75-6 3-Nitro-1-(propan-2-yl)-1h-pyrazole|CS-0123982|1003012-75-6 https://www.jk-sci.com/products/s57c4x-24264 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ebc9793e-a700-45a6-b4c5-34cc38b392dc.png?v=1774671845 Lumefantrine Impurity 4 | 1795128-25-4 Lumefantrine Impurity 4|C4X-24264|1795128-25-4 https://www.jk-sci.com/products/s57c4x-241914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619195_ecc2017d-2598-4411-bea7-769d46dd2151.png?v=1784618949 Adenosine 2′(3′)-monophosphate mixed isomers Adenosine 2′(3′)-monophosphate mixed isomers|C4X-241914 https://www.jk-sci.com/products/ts246cs-0124115 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c646bd6fa8f9b48e5343dcf4c2f23baf.jpg?v=1776479480 2-(4-Nitro-1h-pyrazol-1-yl)acetonitrile | 1001500-47-5 2-(4-Nitro-1h-pyrazol-1-yl)acetonitrile|CS-0124115|1001500-47-5 https://www.jk-sci.com/products/s57c4x-242724 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518301_69cc9700-5732-40aa-a914-25790b3d4094.png?v=1775052913 Piperazine Impurity 24 | 140-79-4 Piperazine Impurity 24|C4X-242724|140-79-4 https://www.jk-sci.com/products/s57c4x-242745 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/726e61a7bf868d9c3a3e6323d0d65864.jpg?v=1776417966 Piperazine Impurity 45 | 42951-91-7 Piperazine Impurity 45|C4X-242745|42951-91-7 https://www.jk-sci.com/products/s57c4x-24196 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382010_3b9f318a-be14-4977-a4c2-6b7ea16bfafb.png?v=1784618956 Adenosine Impurity 6 | 321-30-2 Adenosine Impurity 6|C4X-24196|321-30-2 https://www.jk-sci.com/products/j5320393 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5edbc3703ccda78b2d71c09c56d01a3a.jpg?v=1776340580 5-Chloro-2-fluoro-benzamidine hydrochloride | 1187929-52-7 5-Chloro-2-fluoro-benzamidine hydrochloride|20393|1187929-52-7 https://www.jk-sci.com/products/ts246cs-0126437 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff65ef1762b2863f7f78816f59f69444.jpg?v=1776479522 Ethyl 5-(pyridin-4-yl)-1h-pyrazole-4-carboxylate | 911462-21-0 Ethyl 5-(pyridin-4-yl)-1h-pyrazole-4-carboxylate|CS-0126437|911462-21-0 https://www.jk-sci.com/products/ts246cs-0126505 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326625.png?v=1776479530 5-(4-Methoxyphenyl)-1h-pyrazole | 27069-17-6 5-(4-Methoxyphenyl)-1h-pyrazole|CS-0126505|27069-17-6 https://www.jk-sci.com/products/ts246cs-0126605 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82966ba13f4567b782ca20f8b7c5e51e.jpg?v=1776479541 6-Methyl-1,3-benzoxazole-2-thiol | 23417-29-0 6-Methyl-1,3-benzoxazole-2-thiol|CS-0126605|23417-29-0 https://www.jk-sci.com/products/j5320539 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71dde67045e7be8bfbddd6f23267ccd2.jpg?v=1776340699 6-Iodo-2,3-dihydro-1H-indole | 115666-46-1 6-Iodo-2,3-dihydro-1H-indole|20539|115666-46-1 https://www.jk-sci.com/products/j5320477 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6b3b0da11d32ded4ee4120be5640c14.jpg?v=1776340649 6-Amino-[1,2,4]triazine-5-carboxylic acid | 412278-71-8 6-Amino-[1,2,4]triazine-5-carboxylic acid|20477|412278-71-8 https://www.jk-sci.com/products/ts246cs-0126745 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107418.png?v=1776479554 2,3,4,5-Tetrahydro-1h-1,5-benzodiazepine | 6516-89-8 2,3,4,5-Tetrahydro-1h-1,5-benzodiazepine|CS-0126745|6516-89-8 https://www.jk-sci.com/products/ts246cs-0126809 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297960.png?v=1776479560 1-(2,4-Dichlorophenyl)ethan-1-amine | 89981-75-9 1-(2,4-Dichlorophenyl)ethan-1-amine|CS-0126809|89981-75-9 https://www.jk-sci.com/products/j5320584 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7f1ee928f0b7e900fd67ef6b7a58af1.jpg?v=1776340735 7-Bromo-3,4-dihydro-2H-isoquinolin-1-one | 891782-60-8 7-Bromo-3,4-dihydro-2H-isoquinolin-1-one|20584|891782-60-8 https://www.jk-sci.com/products/s57c4x-2429149 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-2429133 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fad5763b-2eda-4666-aaa8-3a2466bd6ed5.png?v=1775136837 Ruilugoli lmpurity 133 Ruilugoli lmpurity 133|C4X-2429133 https://www.jk-sci.com/products/s57c4x-24294 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a76130e-fb6a-4ae2-beb1-62f94ea7d960.png?v=1774672989 Relugolix Impurity 4 Relugolix Impurity 4|C4X-24294 https://www.jk-sci.com/products/s57c4x-243014 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39221deadce32ed93e10da9eb2c83182.jpg?v=1776417990 Perampanel Impurity 14 | 4341-02-0 Perampanel Impurity 14|C4X-243014|4341-02-0 https://www.jk-sci.com/products/s57c4x-24293 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab5c2ac3-2815-4b57-b334-249263196aa4.png?v=1774719217 Relugolix Impurity 3 Relugolix Impurity 3|C4X-24293 https://www.jk-sci.com/products/s57c4x-242991 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5662a551-0f2f-4016-9e5d-b72d08e104fd.png?v=1774710360 Relugolix Impurity 91 Relugolix Impurity 91|C4X-242991 https://www.jk-sci.com/products/j5320611 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26325db85a7d3734a134f879263d3d47.jpg?v=1776340763 7-Trifluoromethyl-1,2,3,4-tetrahydroisoquinoline | 199678-32-5 7-Trifluoromethyl-1,2,3,4-tetrahydroisoquinoline|20611|199678-32-5 https://www.jk-sci.com/products/s57c4x-243028 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cf5736078a24e31642327adad14affd.jpg?v=1776417999 2,5-Dimethoxy Pyridine | 867267-24-1 2,5-Dimethoxy Pyridine|C4X-243028|867267-24-1 https://www.jk-sci.com/products/j5320840 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96765b7e0f815b1e9878fcfeaf9fc979.jpg?v=1776340902 N-O-Tolyl-guanidine hydrochloride | 6976-05-2 N-O-Tolyl-guanidine hydrochloride|20840|6976-05-2 https://www.jk-sci.com/products/ts246cs-0127298 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/611970_df793296-61cf-4a45-a7ff-61ab17a97369.png?v=1776479587 5-Amino-1h-1,3-benzodiazole-2-thiol | 2818-66-8 5-Amino-1h-1,3-benzodiazole-2-thiol|CS-0127298|2818-66-8 https://www.jk-sci.com/products/ts246cs-0127544 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3672d8896cd967f76cf023b7de9a6dfb.jpg?v=1776479602 Methyl 2-(3-methylisoxazol-5-yl)acetate | 27349-40-2 Methyl 2-(3-methylisoxazol-5-yl)acetate|CS-0127544|27349-40-2 https://www.jk-sci.com/products/j5320784 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da91f189437fc479f72b47b161516464.jpg?v=1776340870 Methyl 6-bromo-1H-indazole-3-carboxylate | 885278-42-2 Methyl 6-bromo-1H-indazole-3-carboxylate|20784|885278-42-2 https://www.jk-sci.com/products/j5320876 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5eda5d28f8b962ac8de97d49b930976.jpg?v=1776340970 Thiazole-4-carbothioic acid amide | 80653-66-3 Thiazole-4-carbothioic acid amide|20876|80653-66-3 https://www.jk-sci.com/products/ts246cs-0127567 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c8754072b817783afbbc269fb5bb159.jpg?v=1776479610 1,3-Bis(hexafluoro-α-hydroxyisopropyl)benzene | 802-93-7 1,3-Bis(hexafluoro-α-hydroxyisopropyl)benzene|CS-0127567|802-93-7 https://www.jk-sci.com/products/j5320895 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aa1f52ba7fe2226eb3302b4595e0f88.jpg?v=1776341007 5-Ethoxyindole | 10501-17-4 5-Ethoxyindole|20895|10501-17-4 https://www.jk-sci.com/products/j5320929 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/837533aa6096446b54a9df5f2491e4e5.jpg?v=1776341054 6-Bromo-DL-tryptophan | 33599-61-0 6-Bromo-DL-tryptophan|20929|33599-61-0 https://www.jk-sci.com/products/j5320954 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be7e39dc939d4f8efba6da9409ca2416.jpg?v=1776341083 2-Ethylindole | 3484-18-2 2-Ethylindole|20954|3484-18-2 https://www.jk-sci.com/products/j5321040 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49a064a75b8c56d5f029eb9c942ba1c1.jpg?v=1776341169 6-Methoxyindole-3-acetic acid | 103986-22-7 6-Methoxyindole-3-acetic acid|21040|103986-22-7 https://www.jk-sci.com/products/ts246cs-0127635 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159450.png?v=1776479639 [1,2'-Biindenylidene]-1',3,3'(2H)-trione | 1707-95-5 [1,2'-Biindenylidene]-1',3,3'(2H)-trione|CS-0127635|1707-95-5 https://www.jk-sci.com/products/j5320999 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbab1b040b821fd4b57b94db6d5431e1.jpg?v=1776341133 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside | 108789-36-2 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside|20999|108789-36-2 https://www.jk-sci.com/products/ts246cs-0127677 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/091056f7bd97818ebb8eeae506e08465.jpg?v=1776479650 tert-Butyl 3-chloro-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate | 625099-34-5 tert-Butyl 3-chloro-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate|CS-0127677|625099-34-5 https://www.jk-sci.com/products/ts246cs-0127693 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c23214c2a12dc33f9c1b3054abb2bda.jpg?v=1776479674 2-(4-(Morpholinomethyl)phenyl)acetic acid | 521313-48-4 2-(4-(Morpholinomethyl)phenyl)acetic acid|CS-0127693|521313-48-4 https://www.jk-sci.com/products/ts246cs-0127727 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e79364b732ebbeede6379b821374b056.jpg?v=1776479699 6-Bromo-1,3-dihydroisobenzofuran-4-ol | 2408640-52-6 6-Bromo-1,3-dihydroisobenzofuran-4-ol|CS-0127727|2408640-52-6 https://www.jk-sci.com/products/ts246cs-0127781 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14e4cb16e892250335a2345fa9bb6518.jpg?v=1776479731 6-Bromo-7-(dimethoxymethyl)-1,2,3,4-tetrahydro-1,8-naphthyridine | 1708974-02-0 6-Bromo-7-(dimethoxymethyl)-1,2,3,4-tetrahydro-1,8-naphthyridine|CS-0127781|1708974-02-0 https://www.jk-sci.com/products/ts246cs-0127799 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554a0f11d383c38a5b679dc3920c55a0.jpg?v=1776479746 Ethyl 5-amino-4-cyano-2-methylfuran-3-carboxylate | 14476-67-6 Ethyl 5-amino-4-cyano-2-methylfuran-3-carboxylate|CS-0127799|14476-67-6 https://www.jk-sci.com/products/ts246cs-0127816 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556781.png?v=1776479754 (S)-4-((Benzyloxy)carbonyl)-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid | 138775-03-8 (S)-4-((Benzyloxy)carbonyl)-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid|CS-0127816|138775-03-8 https://www.jk-sci.com/products/j5321171 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44ccf383c0d4275a163a4465492f1185.jpg?v=1776341237 4-Nitrophenyl phosphorodichloridate | 777-52-6 4-Nitrophenyl phosphorodichloridate|21171|777-52-6 https://www.jk-sci.com/products/j5321144 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c79cebfe8a99817b0a3e23f019f7881.jpg?v=1776341208 4-Methylumbelliferyl pyrophosphate diester disodium salt | 84282-11-1 4-Methylumbelliferyl pyrophosphate diester disodium salt|21144|84282-11-1 https://www.jk-sci.com/products/ts246cs-0127832 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b7d105ca6aecd5ca1d59d20bdaa5aa6.jpg?v=1776479769 tert-Butyl (S)-(2-aminopropyl)carbamate hydrochloride | 1269493-35-7 tert-Butyl (S)-(2-aminopropyl)carbamate hydrochloride|CS-0127832|1269493-35-7 https://www.jk-sci.com/products/j5321181 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4546349d7d3716671474c49d0213fd19.jpg?v=1776341266 6-Cyanoindole | 15861-36-6 6-Cyanoindole|21181|15861-36-6 https://www.jk-sci.com/products/ts246cs-0127846 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19a52d009a2eef26739b29ad1af47354.jpg?v=1776479777 (2S,3aS,6aS)-1-(tert-Butoxycarbonyl)octahydrocyclopenta[b]pyrrole-2-carboxylic acid | 124002-32-0 (2S,3aS,6aS)-1-(tert-Butoxycarbonyl)octahydrocyclopenta[b]pyrrole-2-carboxylic acid|CS-0127846|124002-32-0 https://www.jk-sci.com/products/ts246cs-0127860 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce94880d9919fc057d4b034f7690de31.jpg?v=1776479782 (3,5-Difluoro-4-(methoxycarbonyl)phenyl)boronic acid | 1190989-09-3 (3,5-Difluoro-4-(methoxycarbonyl)phenyl)boronic acid|CS-0127860|1190989-09-3 https://www.jk-sci.com/products/j5321204 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3595bb79d46d19ad67bd4a544611480.jpg?v=1776341332 2-Naphthyl-b-D-galactopyranoside | 33993-25-8 2-Naphthyl-b-D-galactopyranoside|21204|33993-25-8 https://www.jk-sci.com/products/ts246cs-0127982 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397914.png?v=1776479839 O-Benzyl-DL-serine | 5445-44-3 O-Benzyl-DL-serine|CS-0127982|5445-44-3 https://www.jk-sci.com/products/j5321199 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a85091e82e830ed1c21849d7b378265.jpg?v=1776341315 5-Bromo-6-chloro-3-indolyl-b-D-galactopyranoside | 93863-88-8 5-Bromo-6-chloro-3-indolyl-b-D-galactopyranoside|21199|93863-88-8 https://www.jk-sci.com/products/j5321211 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c800db1539ac5629dd571fbdbfcaac2a.jpg?v=1776341345 6-Chloro-5-fluoroindole | 122509-72-2 6-Chloro-5-fluoroindole|21211|122509-72-2 https://www.jk-sci.com/products/ts246cs-0128007 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87d09b9bb384c02a4932bf4842d1d80f.jpg?v=1776479853 (R)-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanol | 62501-72-8 (R)-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanol|CS-0128007|62501-72-8 https://www.jk-sci.com/products/j5321231 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc301d51f844342ae9d6ba16fa4dd753.jpg?v=1776341368 3,3'-Diindolylmethane | 1968-05-4 3,3'-Diindolylmethane|21231|1968-05-4 https://www.jk-sci.com/products/j5321223 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35b1b5f4cd4b8e836981b57cc38d4a0f.jpg?v=1776341359 6-Methyl-DL-tryptophan | 2280-85-5 6-Methyl-DL-tryptophan|21223|2280-85-5 https://www.jk-sci.com/products/ts246cs-0115586 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77137e127a23360d47448336d769a143.jpg?v=1776478148 N-Boc-N-bis(PEG2-propargyl) | 2100306-86-1 N-Boc-N-bis(PEG2-propargyl)|CS-0115586|2100306-86-1 https://www.jk-sci.com/products/j5321244 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8abb05687fd1d75351a8f749ab4e0c22.jpg?v=1776341405 3-Bromobenzaldehyde | 3132-99-8 3-Bromobenzaldehyde|21244|3132-99-8 https://www.jk-sci.com/products/ts246cs-0118898 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/390959_923271b9-0f45-4c6d-96d0-02d8d20845d1.png?v=1776478549 4-(2-Bromoethoxy)benzaldehyde | 52191-15-8 4-(2-Bromoethoxy)benzaldehyde|CS-0118898|52191-15-8 https://www.jk-sci.com/products/j5321573 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c4ec0efb3231f448b38888db031035e.jpg?v=1776341924 4-Hydroxyphenylpyruvic acid | 156-39-8 4-Hydroxyphenylpyruvic acid|21573|156-39-8 https://www.jk-sci.com/products/j5321248 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/165df637c9a3ac31bf3fca0b8bff8010.jpg?v=1776341418 4-Chlorophenylacetic acid | 1878-66-6 4-Chlorophenylacetic acid|21248|1878-66-6 https://www.jk-sci.com/products/ts246cs-0119873 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69864cc9babb216c3fd1539fe270c6ba.jpg?v=1776478794 Diethyl 4-hydroxypyridine-2,6-dicarboxylate | 68631-52-7 Diethyl 4-hydroxypyridine-2,6-dicarboxylate|CS-0119873|68631-52-7 https://www.jk-sci.com/products/ts246cs-0120186 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23812d33967df647c4e125559163e202.jpg?v=1776478988 2-Chloroquinoxalin-6-amine | 112928-27-5 2-Chloroquinoxalin-6-amine|CS-0120186|112928-27-5 https://www.jk-sci.com/products/ts246cs-0120566 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99a29452531c7ec93b9ca6579cc08d24.jpg?v=1776479105 (1-Benzyl-1,2,3,6-tetrahydropyridin-4-yl)methanamine | 153196-51-1 (1-Benzyl-1,2,3,6-tetrahydropyridin-4-yl)methanamine|CS-0120566|153196-51-1 https://www.jk-sci.com/products/ts246cs-0120827 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6f98cb207a8599108c996368e1b4da5.jpg?v=1776479180 2-Chloro-6-methylbenzo[d]oxazole | 3621-83-8 2-Chloro-6-methylbenzo[d]oxazole|CS-0120827|3621-83-8 https://www.jk-sci.com/products/j5321591 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69366b04ca24b73818ca680a60f4140b.jpg?v=1776341973 5-Methoxy-2-methyl-3-indoleacetic acid | 2882-15-7 5-Methoxy-2-methyl-3-indoleacetic acid|21591|2882-15-7 https://www.jk-sci.com/products/j5321579 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/060f541f25cec5d7a84fb93125ca8b3a.jpg?v=1776341940 7-Methylindole-2-carboxylic acid | 18474-60-7 7-Methylindole-2-carboxylic acid|21579|18474-60-7 https://www.jk-sci.com/products/ts246cs-0121382 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a75490ff85be4281f79b931e138b6cd.jpg?v=1776479258 2-Hydroxy-2-(trifluoromethyl)propionic acid | 374-35-6 2-Hydroxy-2-(trifluoromethyl)propionic acid|CS-0121382|374-35-6 https://www.jk-sci.com/products/ts246cs-0122151 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524268_366c4e4b-6267-45a0-96f8-d32b121a7f61.png?v=1776479378 Methyl 2-(chloromethyl)-1,3-oxazole-4-carboxylate | 208465-72-9 Methyl 2-(chloromethyl)-1,3-oxazole-4-carboxylate|CS-0122151|208465-72-9 https://www.jk-sci.com/products/ts246cs-0122652 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/267762.png?v=1776479425 1-Ethyl-1H-pyrazol-3-amine | 55361-49-4 1-Ethyl-1H-pyrazol-3-amine|CS-0122652|55361-49-4 https://www.jk-sci.com/products/j5321594 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b536981e851f005b7f4ed61b3e5d1d.jpg?v=1776342008 5-Bromoindole-3-acetic acid | 40432-84-6 5-Bromoindole-3-acetic acid|21594|40432-84-6 https://www.jk-sci.com/products/j5321598 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc1363fcf86ece959dd3e7e892f852fe.jpg?v=1776342020 (+)-cis,trans-Abscisic acid | 21293-29-8 (+)-cis,trans-Abscisic acid|21598|21293-29-8 https://www.jk-sci.com/products/ts246cs-0124046 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616763_447e2bce-56dc-4d9d-af97-dcdd5558edd1.png?v=1776479472 2-((4-Aminopentyl)(ethyl)amino)ethan-1-ol | 69559-11-1 2-((4-Aminopentyl)(ethyl)amino)ethan-1-ol|CS-0124046|69559-11-1 https://www.jk-sci.com/products/ts246cs-0124769 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4762d145b9b9d8f48d5d8622eb2d75ae.jpg?v=1776479510 Ethyl 3-[(prop-2-en-1-yl)amino]propanoate | 44981-87-5 Ethyl 3-[(prop-2-en-1-yl)amino]propanoate|CS-0124769|44981-87-5 https://www.jk-sci.com/products/ts246cs-0126603 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91e9fd5c0ca24778931b8b91b0718a37.jpg?v=1776479538 5-tert-Butyl-1,3-benzoxazole-2-thiol | 53146-48-8 5-tert-Butyl-1,3-benzoxazole-2-thiol|CS-0126603|53146-48-8 https://www.jk-sci.com/products/ts246cs-0126804 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591647_6a431fa8-63b2-4fdd-b921-8978d5aa776e.png?v=1776479557 2-Phenyl-1h-1,3-benzodiazole-6-carboxylic acid | 66630-70-4 2-Phenyl-1h-1,3-benzodiazole-6-carboxylic acid|CS-0126804|66630-70-4 https://www.jk-sci.com/products/ts246cs-0127534 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7163b3fbea723393d06678a78eba12b.jpg?v=1776479599 2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid | 1620056-83-8 2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid|CS-0127534|1620056-83-8 https://www.jk-sci.com/products/ts246cs-0127615 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/723a3b0e5fdf43fa190c62233c51eaaf.jpg?v=1776479624 2-(6-Aminopyridin-3-yl)propan-2-ol | 843643-03-8 2-(6-Aminopyridin-3-yl)propan-2-ol|CS-0127615|843643-03-8 https://www.jk-sci.com/products/ts246cs-0127684 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2ee6201ebe6876893bf9739649c8d05.jpg?v=1776479659 4-Fluorobenzo[d]oxazol-2(3H)-one | 590422-12-1 4-Fluorobenzo[d]oxazol-2(3H)-one|CS-0127684|590422-12-1 https://www.jk-sci.com/products/ts246cs-0127739 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcbeffae8a28365588c5069875d90e1d.jpg?v=1776479705 Methyl 2-amino-5-(tert-butyl)thiophene-3-carboxylate | 216574-71-9 Methyl 2-amino-5-(tert-butyl)thiophene-3-carboxylate|CS-0127739|216574-71-9 https://www.jk-sci.com/products/ts246cs-0127814 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c23f7666f822e5c025217df86f3ff914.jpg?v=1776479752 tert-Butyl (S)-(1,1,1-trifluoro-3-hydroxypropan-2-yl)carbamate | 1393524-00-9 tert-Butyl (S)-(1,1,1-trifluoro-3-hydroxypropan-2-yl)carbamate|CS-0127814|1393524-00-9 https://www.jk-sci.com/products/ts246cs-0127835 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aaf17acd6a6b64e13da45e7edbd71478.jpg?v=1776479774 2-Bromo-6-methoxybenzamide | 1261581-85-4 2-Bromo-6-methoxybenzamide|CS-0127835|1261581-85-4 https://www.jk-sci.com/products/ts246cs-0127933 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf6df781682e410f88aae8a4eacb69e2.jpg?v=1776479811 4-Bromoisoquinolin-3-amine | 10321-49-0 4-Bromoisoquinolin-3-amine|CS-0127933|10321-49-0 https://www.jk-sci.com/products/ts246cs-0128008 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afcaf4d608027577a67ca8c5480b8b54.jpg?v=1776479856 (S)-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanol | 98572-00-0 (S)-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanol|CS-0128008|98572-00-0 https://www.jk-sci.com/products/ts246cs-0128047 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370581.png?v=1776479872 tert-Butyl (S)-(1-amino-3-methyl-1-oxobutan-2-yl)carbamate | 35150-08-4 tert-Butyl (S)-(1-amino-3-methyl-1-oxobutan-2-yl)carbamate|CS-0128047|35150-08-4 https://www.jk-sci.com/products/ts246cs-0128085 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e0c6c6263ecbd16a9bfff798cb82a94.jpg?v=1776479886 6-Bromo-2,4-dimethylpyridin-3-amine | 897733-12-9 6-Bromo-2,4-dimethylpyridin-3-amine|CS-0128085|897733-12-9 https://www.jk-sci.com/products/ts246cs-0128102 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281630.png?v=1776479895 7-Nitro-1,2,3,4-tetrahydronaphthalen-2-amine | 101167-13-9 7-Nitro-1,2,3,4-tetrahydronaphthalen-2-amine|CS-0128102|101167-13-9 https://www.jk-sci.com/products/ts246cs-0128204 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65417c007ed4cf539f19765d51244308.jpg?v=1776479912 5-Bromo-6-methoxyindan-1-one | 187872-11-3 5-Bromo-6-methoxyindan-1-one|CS-0128204|187872-11-3 https://www.jk-sci.com/products/ts246cs-0128245 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76024c020cc5024bcfa169e30596d975.jpg?v=1776479926 (S)-2-((2-(hydroxybis(4-(trifluoromethyl)phenyl)methyl)pyrrolidin-1-yl)methyl)-6-(trifluoromethyl)phenol | 1429648-14-5 (S)-2-((2-(hydroxybis(4-(trifluoromethyl)phenyl)methyl)pyrrolidin-1-yl)methyl)-6-(trifluoromethyl)phenol|CS-0128245|1429648-14-5 https://www.jk-sci.com/products/j5321606 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3c5e243047a915adfc2c2a7971fb324.jpg?v=1776342040 5-Methylindole-3-carboxaldehyde | 52562-50-2 5-Methylindole-3-carboxaldehyde|21606|52562-50-2 https://www.jk-sci.com/products/j5321617 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4953e2ee9d630557ae39aa714ae218b4.jpg?v=1776342051 Harmaline | 304-21-2 Harmaline|21617|304-21-2 https://www.jk-sci.com/products/ts246cs-0128280 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee2d30dcbe2c97e25b259604ef1433f.jpg?v=1776479934 4-Bromo-3-fluoro-2-(tetrahydrofuran-2-yl)aniline | 1384984-25-1 4-Bromo-3-fluoro-2-(tetrahydrofuran-2-yl)aniline|CS-0128280|1384984-25-1 https://www.jk-sci.com/products/ts246cs-0128336 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/528828.png?v=1776479945 H-D-Asp-Ome | 65414-78-0 H-D-Asp-Ome|CS-0128336|65414-78-0 https://www.jk-sci.com/products/ts246cs-0128381 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260978_d216e50a-8fa2-4ffe-a169-d7ef37430ef6.png?v=1776479964 Bromophenol blue (sodium) | 34725-61-6 Bromophenol blue (sodium)|CS-0128381|34725-61-6 https://www.jk-sci.com/products/j5321633 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80d3036808778ef0f4b4b8717f43584f.jpg?v=1776342094 5-Methoxygramine | 16620-52-3 5-Methoxygramine|21633|16620-52-3 https://www.jk-sci.com/products/j5321640 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9b02d24851a77d20e2261b320856efb.jpg?v=1776342104 5-Fluoroorotic acid | 703-95-7 5-Fluoroorotic acid|21640|703-95-7 https://www.jk-sci.com/products/ts246cs-0128417 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/152707.png?v=1776479978 N-Isopropyl-2-chloroacetamide | 2895-21-8 N-Isopropyl-2-chloroacetamide|CS-0128417|2895-21-8 https://www.jk-sci.com/products/j5321621 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7412bcdd2f4589284ff81eea4537122b.jpg?v=1776342063 9H-Pyrido[3,4-b]indole | 244-63-3 9H-Pyrido[3,4-b]indole|21621|244-63-3 https://www.jk-sci.com/products/ts246cs-0128569 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460300.png?v=1776480017 (5-Isopropyl-2-methoxyphenyl)boronic acid | 216393-63-4 (5-Isopropyl-2-methoxyphenyl)boronic acid|CS-0128569|216393-63-4 https://www.jk-sci.com/products/ts246cs-0128603 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcacd221a9c939eb3dfb5a3bf3009f82.jpg?v=1776480037 4-Chloroisoquinolin-5-amine | 651310-21-3 4-Chloroisoquinolin-5-amine|CS-0128603|651310-21-3 https://www.jk-sci.com/products/j5321630 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1111e4d2786e22fc4546f0d7295e4675.jpg?v=1776342087 4-Methylumbelliferyl-b-D-glucopyranoside | 18997-57-4 4-Methylumbelliferyl-b-D-glucopyranoside|21630|18997-57-4 https://www.jk-sci.com/products/ts246cs-0128609 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116213.png?v=1776480043 Valiolamine | 83465-22-9 Valiolamine|CS-0128609|83465-22-9 https://www.jk-sci.com/products/j5321645 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3d0607c6daffb12a6c4c9f290bf1434.jpg?v=1776342117 6-Fluoro-DL-tryptophan | 7730-20-3 6-Fluoro-DL-tryptophan|21645|7730-20-3 https://www.jk-sci.com/products/ts246cs-0128684 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f6ba5a3d2d722f0b097e05325e449f.jpg?v=1776480095 5-Bromo-3-iodo-1-tosyl-1H-indole | 142688-28-6 5-Bromo-3-iodo-1-tosyl-1H-indole|CS-0128684|142688-28-6 https://www.jk-sci.com/products/ts246cs-0128756 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145589.png?v=1776480126 1,3-Phenylenedimethanol | 626-18-6 1,3-Phenylenedimethanol|CS-0128756|626-18-6 https://www.jk-sci.com/products/j5321652 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e55486f07571c591652f591ccbe42ff.jpg?v=1776342142 DL-2,4-Diaminobutyric acid dihydrochloride | 65427-54-5 DL-2,4-Diaminobutyric acid dihydrochloride|21652|65427-54-5 https://www.jk-sci.com/products/ts246cs-0128764 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bbc93154ef94cc5fc6a489750a64255.jpg?v=1776480135 N1,?N2-bis(5-methyl-[1,1'-biphenyl]-2-yl)oxalamide | 1809289-04-0 N1,?N2-bis(5-methyl-[1,1'-biphenyl]-2-yl)oxalamide|CS-0128764|1809289-04-0 https://www.jk-sci.com/products/j5321663 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f78efa5be8a2a0c4bcfa084fc03a545.jpg?v=1776342169 5-Bromo-2-chloroanisole | 16817-43-9 5-Bromo-2-chloroanisole|21663|16817-43-9