https://www.jk-sci.com/products/s57c4x-18647 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/451831_772b7e7f-d090-4560-ab13-f71b5045b737.png?v=1791373354 Phenytoin Impurity 7, 99.30% | 119-61-9 Phenytoin Impurity 7|C4X-18647|119-61-9 https://www.jk-sci.com/products/ts246cs-0080815 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5454e582c3c9b3e705de281b98dad35b.jpg?v=1791330260 Methyl 2,4-dimethylthieno[3,4-b]pyridine-7-carboxylate, 95% | 74695-25-3 Methyl 2,4-dimethylthieno[3,4-b]pyridine-7-carboxylate|CS-0080815|74695-25-3 https://www.jk-sci.com/products/ts246cs-0080882 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc9c02eddc3c4dd93a9a8f5749307fa5.jpg?v=1791330245 Ethyl 2-(quinazolin-4-yloxy)acetate, 98.09%+ | 874271-15-5 Ethyl 2-(quinazolin-4-yloxy)acetate|CS-0080882|874271-15-5 https://www.jk-sci.com/products/s57c4x-18662 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83e68cf74c45621b01414ed5a6001355.jpg?v=1791373348 Acipimox Impurity 2, 98.00% | 98502-96-6 Acipimox Impurity 2|C4X-18662|98502-96-6 https://www.jk-sci.com/products/s57c4x-187323 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a16699b6-0965-4318-b454-6e6f3eb7c074.png?v=1791373327 Thiamine Nitrate EP Impurity A （Hemisulfate）, 92.40% Thiamine Nitrate EP Impurity A （Hemisulfate）|C4X-187323 https://www.jk-sci.com/products/j5315224 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2017c459d640b139af1750bbf920bd34.jpg?v=1791413194 Boc-(±)-trans-4-(3-trifluoromethylphenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 99% | 169248-97-9 Boc-(±)-trans-4-(3-trifluoromethylphenyl)pyrrolidine-3-carboxylic acid|15224|169248-97-9 https://www.jk-sci.com/products/s57c4x-187319 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123734_9657ab50-d1a2-46c1-8359-7ed3f71eb394.png?v=1791373334 Thiamine /Vitamin B1 Impurity 19, 93.00% | 95-02-3 Thiamine /Vitamin B1 Impurity 19|C4X-187319|95-02-3 https://www.jk-sci.com/products/j5315238 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/649922796fb6ea016552fa5bc22db402.jpg?v=1791413175 Boc-(R)-3-amino-5-phenylpentanoic acid, Purity by HPLC ≥ 99% | 218608-83-4 Boc-(R)-3-amino-5-phenylpentanoic acid|15238|218608-83-4 https://www.jk-sci.com/products/s57c4x-187313 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f3e727bc-bd0d-4c2f-822a-c091a1002a92.png?v=1791373332 Thiamine EP Impurity B HBr, 98.20% Thiamine EP Impurity B HBr|C4X-187313 https://www.jk-sci.com/products/s57c4x-18734 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea6599b442bc7da61a2124bc33fd136a.jpg?v=1791373321 Thiamine nitrate EP Impurity C, 90.80% | 7275-24-3 Thiamine nitrate EP Impurity C|C4X-18734|7275-24-3 https://www.jk-sci.com/products/s57c4x-18736 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/768e6825853730a317e4c4cc98ec65e4.jpg?v=1791373316 Thiamine Nitrate EP Impurity G, 93.80% | 1037-29-2 Thiamine Nitrate EP Impurity G|C4X-18736|1037-29-2 https://www.jk-sci.com/products/j5315250 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05c75bdf6188d900b4da3ecbb2f78fac.jpg?v=1791413162 Boc-4-nitro-D-b-homophenylalanine, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 219297-12-8 Boc-4-nitro-D-b-homophenylalanine|15250|219297-12-8 https://www.jk-sci.com/products/ts246cs-0080957 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df2bbb51ed72b392de5a8f29df7d3a5d.jpg?v=1791330239 Pyrazolo[1,5-a]pyrimidin-6-ol, 97% | 1580489-59-3 Pyrazolo[1,5-a]pyrimidin-6-ol|CS-0080957|1580489-59-3 https://www.jk-sci.com/products/s57c4x-18738 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd67db7fc193f457bbb092ed121b4ec0.jpg?v=1791373312 Thiamine nitrate EP Impurity H, 97.40% | 89285-03-0 Thiamine nitrate EP Impurity H|C4X-18738|89285-03-0 https://www.jk-sci.com/products/s57c4x-187410 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66506ddccf03022c7fcc2f27d96ac9e5.jpg?v=1791373313 Cyanocobalamin EP Impurity B, 91.60% | 26264-28-8 Cyanocobalamin EP Impurity B|C4X-187410|26264-28-8 https://www.jk-sci.com/products/ts246cs-0081035 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f24640f12a757f1485d389e013e5181a.jpg?v=1791330210 5-Bromo-N-methylpyridine-3-sulfonamide, 96% | 173999-19-4 5-Bromo-N-methylpyridine-3-sulfonamide|CS-0081035|173999-19-4 https://www.jk-sci.com/products/j5315257 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2739b9b43cb126667e7cd38264974bd.jpg?v=1791413150 Fmoc-D-a-(5-bromothienyl)alanine, Purity by HPLC ≥ 97% | 220497-83-6 Fmoc-D-a-(5-bromothienyl)alanine|15257|220497-83-6 https://www.jk-sci.com/products/ts246cs-0081053 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3d05351524a63bf5ae9cec5bf340378.jpg?v=1791330198 RuCl[(S,S)-Fsdpen](p-cymene), 90.00%+ | 1026995-72-1 RuCl[(S,S)-Fsdpen](p-cymene)|CS-0081053|1026995-72-1 https://www.jk-sci.com/products/j5315294 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/750206c5939b0fe4f3d958f254430341.jpg?v=1791413109 Boc-3-methyl-D-b-homophenylalanine, Purity by HPLC ≥ 98% | 269398-83-6 Boc-3-methyl-D-b-homophenylalanine|15294|269398-83-6 https://www.jk-sci.com/products/j5315298 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/676001c419731bacc1defa3df3311924.jpg?v=1791413104 Fmoc-(R)-3-amino-5-phenylpentanoic acid, Purity by HPLC ≥ 98% | 269398-87-0 Fmoc-(R)-3-amino-5-phenylpentanoic acid|15298|269398-87-0 https://www.jk-sci.com/products/s57c4x-187416 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1556d230beba6cfb35dad4dbd258e76.jpg?v=1791373306 Cyanocobalamin EP Impurity G（50-methylcyanocobalamin）, 91.20% | 15130-04-8 Cyanocobalamin EP Impurity G（50-methylcyanocobalamin）|C4X-187416|15130-04-8 https://www.jk-sci.com/products/s57c4x-18743 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153221.png?v=1791373300 Hydroxocobalamin Acetate, 92.90% | 22465-48-1 Hydroxocobalamin Acetate|C4X-18743|22465-48-1 https://www.jk-sci.com/products/s57c4x-187418 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154102_527f460a-8d36-48ef-b3e6-d5780f36e091.png?v=1791373281 Cyanocobalamin /Vitamin B12 Impurity 18, 99.80% | 582-60-5 Cyanocobalamin /Vitamin B12 Impurity 18|C4X-187418|582-60-5 https://www.jk-sci.com/products/s57c4x-18749 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fe861422d984070c2448690ff7b9c2a.jpg?v=1791373271 34-Methylcyanocobalamin(Cyanocobalamin EP Impurity C）, Purity: 93.1% | 38218-51-8 34-Methylcyanocobalamin(Cyanocobalamin EP Impurity C）|C4X-18749|38218-51-8 https://www.jk-sci.com/products/ts246cs-0081065 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2a918c9344be8f4d8369c4492dde861.jpg?v=1791330183 RuCl[(S,S)-Tsdpen](mesitylene), 97% | 174813-81-1 RuCl[(S,S)-Tsdpen](mesitylene)|CS-0081065|174813-81-1 https://www.jk-sci.com/products/s57c4x-18752 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_472cb3b9-3241-43af-8d34-7265bbe8a4de.png?v=1791373265 Tandospirone Impurity 2, 99.80% Tandospirone Impurity 2|C4X-18752 https://www.jk-sci.com/products/ts246cs-0081100 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123079.png?v=1791330164 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol, 98% | 2503-56-2 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol|CS-0081100|2503-56-2 https://www.jk-sci.com/products/s57c4x-18747 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfe6689cff298ef9b6cad9eb50de692a.jpg?v=1791373275 Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin), 92.90% | 41325-63-7 Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin)|C4X-18747|41325-63-7 https://www.jk-sci.com/products/s57c4x-18755 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e5e5df0119c9bec3e7ebe0d2a9863f4.jpg?v=1791373264 Tandospirone citrate, Purity: 99.8% | 112457-95-1 Tandospirone citrate|C4X-18755|112457-95-1 https://www.jk-sci.com/products/ts246cs-0081117 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/506861_f58a464f-f117-48c1-9712-b0e9f7f9d836.png?v=1791330159 4-(Trifluoromethoxy)benzenesulfonamide, 99.38%+ | 1513-45-7 4-(Trifluoromethoxy)benzenesulfonamide|CS-0081117|1513-45-7 https://www.jk-sci.com/products/s57c4x-18759 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_127211c8-baf3-41d7-8dfa-d64a7907296f.png?v=1791373261 Tandospirone Impurity 9 HCl, 92.40% Tandospirone Impurity 9 HCl|C4X-18759 https://www.jk-sci.com/products/ts246cs-0081158 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/106080.png?v=1791330152 2-Methoxy-5-(trifluoromethoxy)benzaldehyde, 98% | 145742-65-0 2-Methoxy-5-(trifluoromethoxy)benzaldehyde|CS-0081158|145742-65-0 https://www.jk-sci.com/products/s57c4x-187615 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1188b4f82aa71f8897f9ff9086b91c58.jpg?v=1791373256 Sulpiride impurity 15, 94.90% | 77718-16-2 Sulpiride impurity 15|C4X-187615|77718-16-2 https://www.jk-sci.com/products/ts246cs-0081317 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581342.png?v=1791330130 GERI-BP002-A, 97% | 119-47-1 GERI-BP002-A|CS-0081317|119-47-1 https://www.jk-sci.com/products/s57c4x-187735 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7cf5f2b1a58b82a426df1eef18eb96f.jpg?v=1791373249 Pyridoxine N-Oxide HCl, 91.30% | 112507-12-7 Pyridoxine N-Oxide HCl|C4X-187735|112507-12-7 https://www.jk-sci.com/products/s57c4x-18771 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322481_191c04e1-544c-4612-8aee-0db7329abd83.png?v=1791373249 Pyridoxal Hydrochloride, 96.30% | 65-22-5 Pyridoxal Hydrochloride|C4X-18771|65-22-5 https://www.jk-sci.com/products/s57c4x-187740 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f080437e0d1c740acf67222e69bb34d3.jpg?v=1791373244 Vitamin B6 (Pyridoxine) Impurity 40 HCl, Purity: 97.5% | 875-26-3 Vitamin B6 (Pyridoxine) Impurity 40 HCl|C4X-187740|875-26-3 https://www.jk-sci.com/products/ts246cs-0081420 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4828e3cb3588120d46a9100d3e842d70.jpg?v=1791330123 7-Ethynyl-1H-indazole, 96% | 945761-99-9 7-Ethynyl-1H-indazole|CS-0081420|945761-99-9 https://www.jk-sci.com/products/ts246cs-0081565 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/208402.png?v=1791330113 Oxazolo[4,5-b]pyridine-2(3H)-thione, 95.76%+ | 53052-06-5 Oxazolo[4,5-b]pyridine-2(3H)-thione|CS-0081565|53052-06-5 https://www.jk-sci.com/products/s57c4x-187745 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_feb15a5e-b3a2-4797-85b6-a69bbe98455a.png?v=1791373238 Pyridoxine Impurity 45 HCl, 94.40% Pyridoxine Impurity 45 HCl|C4X-187745 https://www.jk-sci.com/products/s57c4x-187749 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c6a7eae9-efc5-4433-badc-5dd0b33c8875.png?v=1791373232 Pyridoxine Dimer DiHCl, 93.80% Pyridoxine Dimer DiHCl|C4X-187749 https://www.jk-sci.com/products/s57c4x-187756 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587348.png?v=1791373227 Pyrithioxin dihydrochloride, 95.00% | 10049-83-9 Pyrithioxin dihydrochloride|C4X-187756|10049-83-9 https://www.jk-sci.com/products/ts246cs-0081624 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c4b39b30998e031ee9eff0c790266d8.jpg?v=1791330099 5-Methylimidazo[1,2-a]pyridine-3-carbaldehyde, 98% | 178488-37-4 5-Methylimidazo[1,2-a]pyridine-3-carbaldehyde|CS-0081624|178488-37-4 https://www.jk-sci.com/products/s57c4x-18777 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9544d766340e1253d430535bbfeb400.jpg?v=1791373223 Pyridoxine Impurity 7, 97.10% | 1385767-86-1 Pyridoxine Impurity 7|C4X-18777|1385767-86-1 https://www.jk-sci.com/products/j5315302 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a23eaef7606d5945d2b561741da1ed6d.jpg?v=1791413099 Fmoc-(R)-3-amino-4-(2-naphthyl)butyric acid, Purity by HPLC ≥ 98% | 269398-91-6 Fmoc-(R)-3-amino-4-(2-naphthyl)butyric acid|15302|269398-91-6 https://www.jk-sci.com/products/s57c4x-18779 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147096.png?v=1791373221 Pyridoxine EP Impurity B, 96.60% | 148-51-6 Pyridoxine EP Impurity B|C4X-18779|148-51-6 https://www.jk-sci.com/products/s57c4x-188111 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/889e34fcf6514eee505eb599c5383d0d.jpg?v=1791373212 Dyclonine Impurity 11, 98.50% | 5249-96-7 Dyclonine Impurity 11|C4X-188111|5249-96-7 https://www.jk-sci.com/products/s57c4x-1880 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222111.png?v=1791373211 Synephrine Hydrochloride, 99.10% | 5985-28-4 Synephrine Hydrochloride|C4X-1880|5985-28-4 https://www.jk-sci.com/products/ts246cs-0081877 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570367.png?v=1791330072 1-(2-Bromoethyl)-2-chlorobenzene, 97% | 16793-91-2 1-(2-Bromoethyl)-2-chlorobenzene|CS-0081877|16793-91-2 https://www.jk-sci.com/products/j5315312 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3657a54285e93c0bd4aafb51c5bded1a.jpg?v=1791413090 Boc-4-trifluoromethyl-D-b-homophenylalanine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 269726-77-4 Boc-4-trifluoromethyl-D-b-homophenylalanine|15312|269726-77-4 https://www.jk-sci.com/products/s57c4x-18815 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d69f0580d9d0b2c22a92375c3443d565.jpg?v=1791373204 Dyclonine Impurity 5, 99.10% | 165261-15-4 Dyclonine Impurity 5|C4X-18815|165261-15-4 https://www.jk-sci.com/products/j5315331 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31002073d62e954cd9a15f00131a5615.jpg?v=1791413058 Fmoc-D-b-homoallylglycine, Purity by HPLC ≥ 98% | 269726-95-6 Fmoc-D-b-homoallylglycine|15331|269726-95-6 https://www.jk-sci.com/products/s57c4x-188410 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e77437ced042f7a03d210af1066513f8.jpg?v=1791373199 Etomidate Impurity 10, 94.70% | 60197-34-4 Etomidate Impurity 10|C4X-188410|60197-34-4 https://www.jk-sci.com/products/j5315335 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62ce2efc7dc44f364fb2f32cc3b9395a.jpg?v=1791413054 Fmoc-4-bromo-L-b-homophenylalanine, Purity by HPLC ≥ 98% | 270062-86-7 Fmoc-4-bromo-L-b-homophenylalanine|15335|270062-86-7 https://www.jk-sci.com/products/j5315343 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c07f52587e8f9d2e3b799384dcfd900.jpg?v=1791413045 Fmoc-3-methyl-L-b-homophenylalanine, Purity by HPLC ≥ 98% | 270062-94-7 Fmoc-3-methyl-L-b-homophenylalanine|15343|270062-94-7 https://www.jk-sci.com/products/ts246cs-0081754 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aaf834977751eb7acd6cef95a132fea.jpg?v=1791330091 5-(Methylsulfonyl)picolinonitrile, 98% | 848141-13-9 5-(Methylsulfonyl)picolinonitrile|CS-0081754|848141-13-9 https://www.jk-sci.com/products/ts246cs-0081855 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452257_8a48b433-4192-4e46-93e0-32990c4f61d1.png?v=1791330077 Lumichrome, 97% | 1086-80-2 Lumichrome|CS-0081855|1086-80-2 https://www.jk-sci.com/products/j5315347 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/935bce0c6878cd703366058657723641.jpg?v=1791413044 Boc-(S)-2-tetrahydroisoquinoline acetic acid, Assay ≥ 97% | 270062-98-1 Boc-(S)-2-tetrahydroisoquinoline acetic acid|15347|270062-98-1 https://www.jk-sci.com/products/ts246cs-0082047 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50dc2e73a9b9fad05505331d0f890e10.jpg?v=1791330047 (S)-[(RuCl(T-BINAP))2(μ-Cl)3[NH2Me2], 95% | 309735-86-2 (S)-[(RuCl(T-BINAP))2(μ-Cl)3[NH2Me2]|CS-0082047|309735-86-2 https://www.jk-sci.com/products/j5315358 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b01c6d8edd5628c062152e330a4a0d07.jpg?v=1791413031 Fmoc-(3-benzothienyl)-L-b-homoalanine, Purity ≥ 98% | 270063-46-2 Fmoc-(3-benzothienyl)-L-b-homoalanine|15358|270063-46-2 https://www.jk-sci.com/products/j5315363 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/095a71dbda82b79fb76994380d90d08b.jpg?v=1791413024 Boc-3,4-dichloro-L-b-homophenylalanine, Purity by HPLC ≥ 99% || Purity ≥ 98% | 270063-51-9 Boc-3,4-dichloro-L-b-homophenylalanine|15363|270063-51-9 https://www.jk-sci.com/products/j5315360 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c119eb056679d197ad80ec341b31f4d4.jpg?v=1791413028 Boc-2,4-dichloro-L-b-homophenylalanine, Purity ≥ 99% | 270063-48-4 Boc-2,4-dichloro-L-b-homophenylalanine|15360|270063-48-4 https://www.jk-sci.com/products/j5315366 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7038f1c4921eb7b6a99daa880386a286.jpg?v=1791413019 Boc-3,4-difluoro-L-b-homophenylalanine, Purity ≥ 98% | 270063-54-2 Boc-3,4-difluoro-L-b-homophenylalanine|15366|270063-54-2 https://www.jk-sci.com/products/j5315376 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ba898fe6d777363b5f7ae4582c91d51.jpg?v=1791413009 Boc-2-trifluoromethyl-L-b-homophenylalanine, Purity ≥ 98% | 270065-74-2 Boc-2-trifluoromethyl-L-b-homophenylalanine|15376|270065-74-2 https://www.jk-sci.com/products/ts246cs-0082117 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e3c843a5e3205cbc4e43d6735457a5c.jpg?v=1791330025 (4-Chloro-3-(trifluoromethoxy)phenyl)boronic acid, 97.00%+ | 902757-07-7 (4-Chloro-3-(trifluoromethoxy)phenyl)boronic acid|CS-0082117|902757-07-7 https://www.jk-sci.com/products/s57c4x-188416 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23e2d6f8-9d30-4a1e-96db-2ef3568c9cf4.png?v=1791373198 Etomidate Impurity 16, 99.10% Etomidate Impurity 16|C4X-188416 https://www.jk-sci.com/products/j5315382 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6bef1e7e5672dadea0fc0b8eced759f2.jpg?v=1791413004 Boc-4-trifluoromethyl-L-b-homophenylalanine, Purity ≥ 98% | 270065-80-0 Boc-4-trifluoromethyl-L-b-homophenylalanine|15382|270065-80-0 https://www.jk-sci.com/products/ts246cs-0082132 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66b14c389ec3976fba72093861021973.jpg?v=1791330011 tert-Butyl 5-formylindoline-1-carboxylate, 97% | 879887-32-8 tert-Butyl 5-formylindoline-1-carboxylate|CS-0082132|879887-32-8 https://www.jk-sci.com/products/s57c4x-188423 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c647c73b02672ce0225eb37c3adf7c4.jpg?v=1791373192 Etomidate Impurity 23, 97.00% | 112421-33-7 Etomidate Impurity 23|C4X-188423|112421-33-7 https://www.jk-sci.com/products/s57c4x-18844 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5beac7967fa48c6f71bf435dd63a2fca.jpg?v=1791373186 （R)-Etomidate EP Impurity B, 95.50% | 61045-91-8 （R)-Etomidate EP Impurity B|C4X-18844|61045-91-8 https://www.jk-sci.com/products/s57c4x-18848 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322638.png?v=1791373177 Etomidate Impurity 8, 94.80% | 66512-37-6 Etomidate Impurity 8|C4X-18848|66512-37-6 https://www.jk-sci.com/products/ts246cs-0082263 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39f4aea70561faf3d5635cdcb5003cc9.jpg?v=1791329984 Methyl 5-amino-6-chloronicotinate, 98% | 211915-96-7 Methyl 5-amino-6-chloronicotinate|CS-0082263|211915-96-7 https://www.jk-sci.com/products/s57c4x-1885 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f9aaa9d35164b66adc042a12564d09f.jpg?v=1791373173 Ipragliflozin, 95.80% | 761423-87-4 Ipragliflozin|C4X-1885|761423-87-4 https://www.jk-sci.com/products/s57c4x-188459 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07d4d377-6b66-4c8a-bc5a-2101b444ff59.png?v=1791373184 Etomidate impurity 59, 97.30% Etomidate impurity 59|C4X-188459 https://www.jk-sci.com/products/s57c4x-18871 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135837_058c0691-4e4a-40b1-bc6e-a4cd13fda435.png?v=1791373169 Eletriptan Impurity 1, 99.90% | 6163-58-2 Eletriptan Impurity 1|C4X-18871|6163-58-2 https://www.jk-sci.com/products/ts246cs-0073010 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387846_789a3fe9-fc81-4f3b-932d-8efdbc95415d.png?v=1791331299 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one, 98.00%+ | 26518-71-8 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0073010|26518-71-8 https://www.jk-sci.com/products/s57c4x-189112 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27a60885a4f15d232cbeab1e960fbc56.jpg?v=1791373166 Esmolol Impurity 12, 96.20% | 83356-60-9 Esmolol Impurity 12|C4X-189112|83356-60-9 https://www.jk-sci.com/products/ts246cs-0076037 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bd338543563ace94f90c3b16737ac4e_657ead76-998e-4c03-805e-65c4fcb806e2.jpg?v=1791330964 1-Octanol, 98% | 111-87-5 1-Octanol|CS-0076037|111-87-5 https://www.jk-sci.com/products/j5315395 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97980df877463125dd866e0a66252eea.jpg?v=1791412991 Fmoc-(2-thienyl)-L-b-homoalanine, Purity by HPLC ≥ 99% | 270262-98-1 Fmoc-(2-thienyl)-L-b-homoalanine|15395|270262-98-1 https://www.jk-sci.com/products/ts246cs-0077184 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/620309_fd878de8-9887-49fd-a4ce-4913c2c5f9f2.png?v=1791330822 Cyclohexane-1,2,3,4,5,6-hexaone, 98% | 527-31-1 Cyclohexane-1,2,3,4,5,6-hexaone|CS-0077184|527-31-1 https://www.jk-sci.com/products/s57c4x-189117 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149200_06378eb2-7982-4770-a198-94505543f0d2.png?v=1791373163 Esmolol Impurity 17, 99.30% | 5597-50-2 Esmolol Impurity 17|C4X-189117|5597-50-2 https://www.jk-sci.com/products/s57c4x-18912 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcc9f133b2c3ca2d43d67168e09f27d5.jpg?v=1791373157 Esmolol Impurity 2, Purity: 98.8% | 98903-89-0 Esmolol Impurity 2|C4X-18912|98903-89-0 https://www.jk-sci.com/products/s57c4x-18913 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e735ffc-17ae-4e67-88b3-587314a66320.png?v=1791373157 Esmolol Impurity 3, Purity: 98.0% Esmolol Impurity 3|C4X-18913 https://www.jk-sci.com/products/j5315399 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a3718ec625fc2f92e8254915fab9cfb.jpg?v=1791412983 L-b-Homoallylglycine hydrochloride, Purity ≥ 98% (NMR) | 270263-02-0 L-b-Homoallylglycine hydrochloride|15399|270263-02-0 https://www.jk-sci.com/products/s57c4x-189133 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e56fd1d3816e9973c402a7138ccf632d.jpg?v=1791373152 Esmolol Impurity 33, Purity: 99.6% | 27542-85-4 Esmolol Impurity 33|C4X-189133|27542-85-4 https://www.jk-sci.com/products/s57c4x-189147 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d7d16c24-a480-4bb1-8649-6ae9526a4dde.png?v=1791373142 Esmolol Impurity 47, 97.30% Esmolol Impurity 47|C4X-189147 https://www.jk-sci.com/products/s57c4x-18914 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b12d2d9915327b01c7a812fbee1d094.jpg?v=1791373147 Esmolol Impurity 4, 98.60% | 81148-15-4 Esmolol Impurity 4|C4X-18914|81148-15-4 https://www.jk-sci.com/products/s57c4x-189158 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347833.png?v=1791373137 Esmolol Impurity 58, 94.20% | 23838-70-2 Esmolol Impurity 58|C4X-189158|23838-70-2 https://www.jk-sci.com/products/s57c4x-189169 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7dce057a-97d9-4a3c-ba5b-1a781e440bce.png?v=1791373130 Esmolol Impurity 69, 96.80% Esmolol Impurity 69|C4X-189169 https://www.jk-sci.com/products/s57c4x-189180 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b69d7fb6-aaa6-4e43-a710-c5b6626ac9b3.png?v=1791373130 Esmolol Impurity 80, 97.80% Esmolol Impurity 80|C4X-189180 https://www.jk-sci.com/products/ts246cs-0078620 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4ed945f0073c1cbe5b519e43204ecee.jpg?v=1791330694 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol, 92.07%+ | 221352-10-9 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol|CS-0078620|221352-10-9 https://www.jk-sci.com/products/ts246cs-0079619 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107415.png?v=1791330564 (R)-3-(tert-Butoxycarbonyl)-5,5-dimethylthiazolidine-4-carboxylic acid, 97% | 117918-23-7 (R)-3-(tert-Butoxycarbonyl)-5,5-dimethylthiazolidine-4-carboxylic acid|CS-0079619|117918-23-7 https://www.jk-sci.com/products/s57c4x-1892 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377692_fd810a45-2031-4708-afad-00008eb96445.png?v=1791373125 Calcifediol Monohydrate, 99.50% | 63283-36-3 Calcifediol Monohydrate|C4X-1892|63283-36-3 https://www.jk-sci.com/products/j5315402 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af0585ccc60c51ce065034bb5c4036d5.jpg?v=1791412978 (2-Furyl)-L-b-homoalanine, Purity by HPLC ≥ 99% | 270263-05-3 (2-Furyl)-L-b-homoalanine|15402|270263-05-3 https://www.jk-sci.com/products/ts246cs-0080246 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61cc4f79845e1db4a3aa98376f14bd61.jpg?v=1791330441 Methyl 5-amino-6-iodopicolinate, 98% | 872355-60-7 Methyl 5-amino-6-iodopicolinate|CS-0080246|872355-60-7 https://www.jk-sci.com/products/j5315408 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef116f540014c4954deeef3cb6121796.jpg?v=1791412973 Fmoc-(2-furyl)-D-b-homoalanine, Purity by HPLC ≥ 99% | 270596-34-4 Fmoc-(2-furyl)-D-b-homoalanine|15408|270596-34-4 https://www.jk-sci.com/products/ts246cs-0080607 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/299323_427427b5-662c-47a8-bd31-c2246b214d5e.png?v=1791330343 6-(Trifluoromethoxy)quinolin-4-ol, 98% | 175203-87-9 6-(Trifluoromethoxy)quinolin-4-ol|CS-0080607|175203-87-9 https://www.jk-sci.com/products/s57c4x-18927 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377692.png?v=1791373120 Calcifediol Impurity 7, 97.90% | 19356-17-3 Calcifediol Impurity 7|C4X-18927|19356-17-3 https://www.jk-sci.com/products/s57c4x-18941 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291975.png?v=1791373113 Ethambutol Hydrochloride EP Impurity A, 89.40% | 96-20-8 Ethambutol Hydrochloride EP Impurity A|C4X-18941|96-20-8 https://www.jk-sci.com/products/s57c4x-189413 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296086763c3dfc1c4fce50be2c83f527.jpg?v=1791373108 Ethambutol EP Impurity C DiHCl, Purity: 99.5% | 134566-79-3 Ethambutol EP Impurity C DiHCl|C4X-189413|134566-79-3 https://www.jk-sci.com/products/ts246cs-0080452 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/775942fd248028a1fbe3f2ce74558005.jpg?v=1791330400 3,4-Dimethyl-1,2,5-oxadiazole, 99.50%+ | 4975-21-7 3,4-Dimethyl-1,2,5-oxadiazole|CS-0080452|4975-21-7 https://www.jk-sci.com/products/s57c4x-18946 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec1c51a41c6c632513f67661e98638e7.jpg?v=1791373108 Ethambutol EP Impurity B, 96.00% | 10054-06-5 Ethambutol EP Impurity B|C4X-18946|10054-06-5 https://www.jk-sci.com/products/s57c4x-1895 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552137.png?v=1791373098 Fupentixol dihydrochloride, Purity>95% | 2413-38-9 Fupentixol dihydrochloride|C4X-1895|2413-38-9 https://www.jk-sci.com/products/s57c4x-189513 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_38f7b286-1881-4032-89fb-83d44543deed.png?v=1791373098 Flupentixol Impurity H（E）, 83.60% Flupentixol Impurity H（E）|C4X-189513 https://www.jk-sci.com/products/j5315413 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd62bdd77504cefbcd64f56dd75b8f6f.jpg?v=1791412964 Boc-3-chloro-L-b-homophenylalanine, Purity by HPLC ≥ 98% || Purity ≥ 98% | 270596-39-9 Boc-3-chloro-L-b-homophenylalanine|15413|270596-39-9 https://www.jk-sci.com/products/ts246cs-0080784 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/626826.png?v=1791330266 1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene(1,4-naphthoquinone)palladium(0) dimer, 97% | 649736-75-4 1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene(1,4-naphthoquinone)palladium(0) dimer|CS-0080784|649736-75-4 https://www.jk-sci.com/products/ts246cs-0080811 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3dc9fed41952ac7727de0b0f93853273.jpg?v=1791330260 Methyl 3,5-dichloropicolinate, 99.41%+ | 5439-08-7 Methyl 3,5-dichloropicolinate|CS-0080811|5439-08-7 https://www.jk-sci.com/products/s57c4x-189525 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/869fff7c2981e73d3cd7ec5ef4636b47.jpg?v=1791373093 Flupentixol Impurity 25, 97.50% | 2748309-11-5 Flupentixol Impurity 25|C4X-189525|2748309-11-5 https://www.jk-sci.com/products/s57c4x-18954 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3db4d7ce-b47e-4398-9f15-c01626c5bf2c.png?v=1791373086 Flupentixol EP Impurity C (E and Z Mixture) 2HCl, 97.10% Flupentixol EP Impurity C (E and Z Mixture) 2HCl|C4X-18954 https://www.jk-sci.com/products/ts246cs-0080902 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18847d2b698c3a0fd496f71b3e4178d9.jpg?v=1791330245 Grela 2nd Generation, 98% | 502964-52-5 Grela 2nd Generation|CS-0080902|502964-52-5 https://www.jk-sci.com/products/ts246cs-0081148 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121424_b547a6d0-b931-4fc4-8274-345cd15bbf09.png?v=1791330153 4,4,5,5-Tetramethyl-2-(4-(trifluoromethoxy)phenyl)-1,3,2-dioxaborolane, 97% | 474709-28-9 4,4,5,5-Tetramethyl-2-(4-(trifluoromethoxy)phenyl)-1,3,2-dioxaborolane|CS-0081148|474709-28-9 https://www.jk-sci.com/products/ts246cs-0081331 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db45a2c3c7043e54df0703f22a83d6b4.jpg?v=1791330125 Chloro[(S,S)-N-[2-(4-methylbenzyloxy)ethyl]-N'-(p-toluenesulfonyl)-1,2-diphenylethylenediamine]ruthenium(II), 95% | 1384974-37-1 Chloro[(S,S)-N-[2-(4-methylbenzyloxy)ethyl]-N'-(p-toluenesulfonyl)-1,2-diphenylethylenediamine]ruthenium(II)|CS-0081331|1384974-37-1 https://www.jk-sci.com/products/ts246cs-0081037 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236321.png?v=1791330209 Dichloro(benzene)ruthenium(II) dimer, 97.00%+ | 37366-09-9 Dichloro(benzene)ruthenium(II) dimer|CS-0081037|37366-09-9 https://www.jk-sci.com/products/s57c4x-18959 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421593_503863f7-aff1-47ca-8a08-11a07ea0314f.png?v=1791373083 Flupentixol Impurity 9, 99.90% | 1693-28-3 Flupentixol Impurity 9|C4X-18959|1693-28-3 https://www.jk-sci.com/products/ts246cs-0081071 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64fdbc44894935a1167c414c92009413.jpg?v=1791330178 3-Methyl-3H-imidazo[4,5-b]pyridine, 96.31%+ | 6688-61-5 3-Methyl-3H-imidazo[4,5-b]pyridine|CS-0081071|6688-61-5 https://www.jk-sci.com/products/s57c4x-189918 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/def6419fc76e506cb460faac9aa2e8ac.jpg?v=1791373080 Benzylpenicillin Potassium EP impurity C, 91.40% | 525-91-7 Benzylpenicillin Potassium EP impurity C|C4X-189918|525-91-7 https://www.jk-sci.com/products/s57c4x-189927 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fbe51cc1-396b-48f4-a4be-26378bfc915c.png?v=1791373074 Benzylpenicillin Impurity 27, 90.40% Benzylpenicillin Impurity 27|C4X-189927 https://www.jk-sci.com/products/j5315416 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4209c1b30b803b9f42a634c7cdf9d0fa.jpg?v=1791412959 Boc-4-chloro-L-b-homophenylalanine, Purity ≥ 98% | 270596-42-4 Boc-4-chloro-L-b-homophenylalanine|15416|270596-42-4 https://www.jk-sci.com/products/j5315422 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a42f2bf68d4d3b90b8b3b0f5b7523335.jpg?v=1791412955 Fmoc-L-b-homopropargylglycine, Purity by HPLC ≥ 99% | 270596-48-0 Fmoc-L-b-homopropargylglycine|15422|270596-48-0 https://www.jk-sci.com/products/j5315420 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12f5db733520f5116fac6e716074aebd.jpg?v=1791412959 L-b-Homopropargylglycine hydrochloride, Assay ≥ 98% | 270596-46-8 L-b-Homopropargylglycine hydrochloride|15420|270596-46-8 https://www.jk-sci.com/products/j5315429 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c012c06ba22c70438c80f5918e0ebb7b.jpg?v=1791412945 (S)-3-Amino-3-(3-bromophenyl)propionic acid, Purity ≥ 98% | 275826-35-2 (S)-3-Amino-3-(3-bromophenyl)propionic acid|15429|275826-35-2 https://www.jk-sci.com/products/j5315427 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5ac798093e24f3bfa21ad9c250ed2af.jpg?v=1791412945 4-Fluoro-L-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 98% | 270596-53-7 4-Fluoro-L-b-homophenylalanine hydrochloride|15427|270596-53-7 https://www.jk-sci.com/products/j5315434 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c383dbdadd659b273652f0e86f19da8c.jpg?v=1791412935 Boc-(±)-trans-4-(3-fluorophenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 99% | 301226-53-9 Boc-(±)-trans-4-(3-fluorophenyl)pyrrolidine-3-carboxylic acid|15434|301226-53-9 https://www.jk-sci.com/products/j5315443 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b9d036ccdcc866b3fcb20200e3921a6.jpg?v=1791412925 Boc-(S)-3-amino-3-(4-fluorophenyl)propionic acid, Purity by HPLC ≥ 99% | 479064-88-5 Boc-(S)-3-amino-3-(4-fluorophenyl)propionic acid|15443|479064-88-5 https://www.jk-sci.com/products/ts246cs-0081618 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478393_5fd70f93-4761-495d-8c0f-eec4f1aea81a.png?v=1791330099 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one, 95.00%+ | 33050-32-7 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one|CS-0081618|33050-32-7 https://www.jk-sci.com/products/ts246cs-0081811 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb591e4ee3953aa9d6651637ee99eab5.jpg?v=1791330088 6-Bromo-2-(2-(3-methoxyphenyl)propan-2-yl)benzofuran-3-carboxylic acid, 97% | 2095616-86-5 6-Bromo-2-(2-(3-methoxyphenyl)propan-2-yl)benzofuran-3-carboxylic acid|CS-0081811|2095616-86-5 https://www.jk-sci.com/products/j5315500 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c14a82e864a53fcde3ed7fe4a5998341.jpg?v=1791412866 3-Chloro-D-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 98% | 331763-55-4 3-Chloro-D-b-homophenylalanine hydrochloride|15500|331763-55-4 https://www.jk-sci.com/products/j5315455 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0d745d6ff9fb1579b94c1834daa9c25.jpg?v=1791412906 (S)-3-Amino-3-(4-hydroxyphenyl)propionic acid, Chiral HPLC ≥ 98% (ee) | 54732-46-6 (S)-3-Amino-3-(4-hydroxyphenyl)propionic acid|15455|54732-46-6 https://www.jk-sci.com/products/j5315445 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16bd3b115ee3bba1cfa2bc3531683ed0.jpg?v=1791412923 Boc-(S)-3-amino-3-(4-chlorophenyl)propionic acid, Purity by HPLC ≥ 98% | 479064-90-9 Boc-(S)-3-amino-3-(4-chlorophenyl)propionic acid|15445|479064-90-9 https://www.jk-sci.com/products/ts246cs-0082361 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d6bcd7ac8cf9b5e803cc249c8d96e6e.jpg?v=1791329960 Methyl 3H-imidazo[4,5-c]pyridine-6-carboxylate, 95% | 82523-07-7 Methyl 3H-imidazo[4,5-c]pyridine-6-carboxylate|CS-0082361|82523-07-7 https://www.jk-sci.com/products/j5315507 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a33b44c917855619ead3e3c66d4f66fd.jpg?v=1791412858 3-Fluoro-D-b-homophenylalanine hydrochloride, Purity ≥ 98% (NMR) | 331763-65-6 3-Fluoro-D-b-homophenylalanine hydrochloride|15507|331763-65-6 https://www.jk-sci.com/products/ts246cs-0082011 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327652_f848940c-8588-4be7-a884-bf9aa18ea4a2.png?v=1791330051 Bis(triphenylphosphine)ruthenium(II) dicarbonyl chloride, 98% | 14564-35-3 Bis(triphenylphosphine)ruthenium(II) dicarbonyl chloride|CS-0082011|14564-35-3 https://www.jk-sci.com/products/j5315495 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50205f290ced0b20d8f7fa85d041201f.jpg?v=1791412871 Fmoc-2,4-dichloro-L-phenylalanine, Purity by HPLC ≥ 99% | 352351-62-3 Fmoc-2,4-dichloro-L-phenylalanine|15495|352351-62-3 https://www.jk-sci.com/products/j5315449 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d85b908f21e1e6806e2890bd7bff0d8.jpg?v=1791412920 Boc-(R)-3-amino-3-(4-fluorophenyl)propionic acid, Purity ≥ 95% | 479064-94-3 Boc-(R)-3-amino-3-(4-fluorophenyl)propionic acid|15449|479064-94-3 https://www.jk-sci.com/products/j5315510 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d22c14fbe806928c47ddf32d7368a32.jpg?v=1791412853 4-Fluoro-D-b-homophenylalanine hydrochloride, Purity ≥ 98% | 331763-69-0 4-Fluoro-D-b-homophenylalanine hydrochloride|15510|331763-69-0 https://www.jk-sci.com/products/s57c4x-19011 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319682.png?v=1791373064 Triamterene EP Impurity A, Purity: 99.9% | 1006-23-1 Triamterene EP Impurity A|C4X-19011|1006-23-1 https://www.jk-sci.com/products/s57c4x-190666 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a45ac7eb4e54ec292e3551afed6e0ffe.jpg?v=1791373022 Sugammadex Impurity 7*Sodium Salt （Org48302）, 94.10% | 2376607-99-5 Sugammadex Impurity 7*Sodium Salt （Org48302）|C4X-190666|2376607-99-5 https://www.jk-sci.com/products/s57c4x-19025 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f243bd95474f880a15e87b02d2cfbaa1.jpg?v=1791373054 Salicylic Acid Impurity 5, 96.80% | 26171-04-0 Salicylic Acid Impurity 5|C4X-19025|26171-04-0 https://www.jk-sci.com/products/s57c4x-19056 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e43901a42456c58a7036e2c25379e6c6.jpg?v=1791373031 Amifostine Impurity 6, 96.30% | 5458-99-1 Amifostine Impurity 6|C4X-19056|5458-99-1 https://www.jk-sci.com/products/s57c4x-190331 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354790.png?v=1791373043 Lenalidomide Impurity 31, 98.60% | 13365-26-9 Lenalidomide Impurity 31|C4X-190331|13365-26-9 https://www.jk-sci.com/products/s57c4x-190212 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333079.png?v=1791373058 Salicylic acid Impurity 12, 98.90% | 546-74-7 Salicylic acid Impurity 12|C4X-190212|546-74-7 https://www.jk-sci.com/products/s57c4x-190360 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e655b5985fb099aefae4c099caafd87.jpg?v=1791373042 Lenalidomide Impurity 60, Purity: 99.8% | 26581-81-7 Lenalidomide Impurity 60|C4X-190360|26581-81-7 https://www.jk-sci.com/products/s57c4x-18997 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fc186185-bf80-497d-bfa9-2478dc9fa5d3.png?v=1791373068 Benzylpenicillin Impurity 7(Benzylpenicillin CP Impurity G), 95.10% Benzylpenicillin Impurity 7(Benzylpenicillin CP Impurity G)|C4X-18997 https://www.jk-sci.com/products/s57c4x-190329 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419930_ea837ea3-9d9a-44c8-a546-9b7620e22ae4.png?v=1791373053 Lenalidomide Impurity 29, 99.50% | 31140-42-8 Lenalidomide Impurity 29|C4X-190329|31140-42-8 https://www.jk-sci.com/products/s57c4x-18995 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8fa47fd7-6c60-494e-9ec1-701c7f24e7ec.png?v=1791373074 Benzylpenicillin EP Impurity E, 90.10% Benzylpenicillin EP Impurity E|C4X-18995 https://www.jk-sci.com/products/s57c4x-19041 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d7629efe9c44c946e4151451ce07f3e.jpg?v=1791373038 Esketamine EP Impurity C, 98.10% | 90717-17-2 Esketamine EP Impurity C|C4X-19041|90717-17-2 https://www.jk-sci.com/products/ts246cs-0082122 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610726.png?v=1791330019 6-Chloroisoindolin-1-one, 97% | 58083-59-3 6-Chloroisoindolin-1-one|CS-0082122|58083-59-3 https://www.jk-sci.com/products/s57c4x-190725 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_82f72dc0-d81c-4334-8d3b-b6438daa0276.png?v=1791373013 Nicorandil Impurity 25 1/2Formate 1/2Nitrate, 96.40% Nicorandil Impurity 25 1/2Formate 1/2Nitrate|C4X-190725 https://www.jk-sci.com/products/s57c4x-19063 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e3c55c4-3e12-432e-be26-f4f0ce96772c.png?v=1791373026 Sugammadex Impurity Org49095, 92.80% Sugammadex Impurity Org49095|C4X-19063 https://www.jk-sci.com/products/ts246cs-0082366 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e78632bb73c508b748fbab48683d0575.jpg?v=1791329959 5-Methoxynicotinonitrile, 98.24%+ | 298204-74-7 5-Methoxynicotinonitrile|CS-0082366|298204-74-7 https://www.jk-sci.com/products/s57c4x-190732 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee805586-4dda-4a54-bcb6-178ef2b99043.png?v=1791373002 Nicorandil Impurity 32, 79.10% Nicorandil Impurity 32|C4X-190732 https://www.jk-sci.com/products/s57c4x-190740 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9f6a210-39ad-460e-82c0-5e8cfbd17400.png?v=1791372986 Nicorandil Impurity 40 1/2Formate 1/2Nitrate, 93.90% Nicorandil Impurity 40 1/2Formate 1/2Nitrate|C4X-190740 https://www.jk-sci.com/products/s57c4x-190746 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a98191a-c5f1-4395-b2f0-284d8412705b.png?v=1791372981 Nicorandil Impurity 46 3Nitrate, 95.30% Nicorandil Impurity 46 3Nitrate|C4X-190746 https://www.jk-sci.com/products/s57c4x-190735 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c6af59db-a111-425c-9d3f-01db4a0a1e37.png?v=1791373002 Nicorandil Impurity 35, 75.90% Nicorandil Impurity 35|C4X-190735 https://www.jk-sci.com/products/s57c4x-190743 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/401232_b1693c3d-aa9f-42cb-868c-51395fed428d.png?v=1791372987 Nicorandil Impurity 43, Purity: 99.2% | 1570-45-2 Nicorandil Impurity 43|C4X-190743|1570-45-2 https://www.jk-sci.com/products/ts246cs-0082371 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66548e52d781e55857adcd2d6886cab5.jpg?v=1791329954 5-Methoxy-2-methylpyridine, 98% | 55270-47-8 5-Methoxy-2-methylpyridine|CS-0082371|55270-47-8 https://www.jk-sci.com/products/s57c4x-1720103 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e479dc2a92bbe8751935cc7ef85d1e92.jpg?v=1791375146 Oseltamivir Impurity 103, Purity: 95.2% | 204254-90-0 Oseltamivir Impurity 103|C4X-1720103|204254-90-0 https://www.jk-sci.com/products/ts246cs-0082383 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588bd7968c13f9488a95820a72116438.jpg?v=1791329949 Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid, 97% | 251102-27-9 Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid|CS-0082383|251102-27-9 https://www.jk-sci.com/products/s57c4x-17495 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfa08876a072e83ec60dff17dbf83959.jpg?v=1791374756 N-Desmethyl Riociguat, 98.70% | 625115-52-8 N-Desmethyl Riociguat|C4X-17495|625115-52-8 https://www.jk-sci.com/products/s57c4x-177228 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a67f480a08f8a73f374acc8143217561.jpg?v=1791374557 Trazodone Impurity 28, 99.90% | 1263358-12-8 Trazodone Impurity 28|C4X-177228|1263358-12-8 https://www.jk-sci.com/products/ts246cs-0082404 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328441b46028447be5d74cfcacda11dd.jpg?v=1791329934 5-Iodo-2-oxo-1,2-dihydropyridine-3-carbonitrile, 96% | 766515-33-7 5-Iodo-2-oxo-1,2-dihydropyridine-3-carbonitrile|CS-0082404|766515-33-7 https://www.jk-sci.com/products/ts246cs-0082526 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285241_958f84a6-2d6c-4c2d-8736-5ec62ddf9e81.png?v=1791329920 3,5-Dihydroxyacetophenone, 98% | 51863-60-6 3,5-Dihydroxyacetophenone|CS-0082526|51863-60-6 https://www.jk-sci.com/products/s57c4x-17825 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562397_8b3b2e72-002a-4077-9616-ff0918506765.png?v=1791374431 Xylometazoline EP Impurity E, 88.30% | 104-15-4 Xylometazoline EP Impurity E|C4X-17825|104-15-4 https://www.jk-sci.com/products/s57c4x-179611 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0274dcd5d418bbccc8a54e92de6bf93e.jpg?v=1791374275 Cilnidipine Impurity 11, 95.00% | 68077-28-1 Cilnidipine Impurity 11|C4X-179611|68077-28-1 https://www.jk-sci.com/products/ts246cs-0082682 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/badd60c0239215012118c9dae88d91fa_9c40252f-0496-4631-b833-5974417b8f60.jpg?v=1791329897 Ir[dF(CF3)ppy]2(dtbbpy)PF6, 95.00%+ | 870987-63-6 Ir[dF(CF3)ppy]2(dtbbpy)PF6|CS-0082682|870987-63-6 https://www.jk-sci.com/products/s57c4x-180316 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e51f8d9-53c0-4024-8945-1951b98acdbe.png?v=1791374213 Trimetazidine Impurity 16, 96.40% Trimetazidine Impurity 16|C4X-180316 https://www.jk-sci.com/products/ts246cs-0082801 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f7078d5d-f595-4b12-83f4-656ead8490c5.png?v=1791329887 [4,4'-Di-t-butyl-2,2'-bipyridine][bis[5-(t-butyl)-2-[4-(t-butyl)-2-pyridinyl-kN]phenyl-kC]iridium(III) hexafluorophosphate, 97% | 808142-80-5 [4,4'-Di-t-butyl-2,2'-bipyridine][bis[5-(t-butyl)-2-[4-(t-butyl)-2-pyridinyl-kN]phenyl-kC]iridium(III) hexafluorophosphate|CS-0082801|808142-80-5 https://www.jk-sci.com/products/j5315518 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7312d275d377e3290c43329a7bb47220.jpg?v=1791412848 4-Bromo-D-b-homophenylalanine hydrochloride, Purity ≥ 98.5% | 331763-73-6 4-Bromo-D-b-homophenylalanine hydrochloride|15518|331763-73-6 https://www.jk-sci.com/products/s57c4x-181138 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6de048ba18b7dad80f4d907a4ec8caa.jpg?v=1791374140 Pranoprofen Impurity 38, 98.30% | 53944-40-4 Pranoprofen Impurity 38|C4X-181138|53944-40-4 https://www.jk-sci.com/products/ts246cs-0083020 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1541d39bbcffa4455235a82be022bd8c.jpg?v=1791329861 6-Fluoropyrido[3,4-d]pyrimidin-4(3H)-one, 97.54%+ | 171178-44-2 6-Fluoropyrido[3,4-d]pyrimidin-4(3H)-one|CS-0083020|171178-44-2 https://www.jk-sci.com/products/j5315522 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f805a8eccf6702d3ea96cdedb11e1afe.jpg?v=1791412843 Boc-(R)-2-tetrahydroisoquinoline acetic acid, Purity ≥ 98% | 332064-64-9 Boc-(R)-2-tetrahydroisoquinoline acetic acid|15522|332064-64-9 https://www.jk-sci.com/products/s57c4x-181362 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a39d4b1d5c0ff04a0053e34a0607b01b.jpg?v=1791374069 Butylphthalide Impurity 62, Purity: 99.8% | 102126-71-6 Butylphthalide Impurity 62|C4X-181362|102126-71-6 https://www.jk-sci.com/products/s57c4x-18173 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573005_9fae9ed2-cd92-4daa-b79c-5385e630580d.png?v=1791373996 Glycopyrronium Bromide EP Impurity O, 98.20% | 618-88-2 Glycopyrronium Bromide EP Impurity O|C4X-18173|618-88-2 https://www.jk-sci.com/products/s57c4x-182223 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_671f030f-0d2e-4cf1-9072-c02bf308bfd8.png?v=1791373942 Leuprorelin EP Impurity H Trifluoroacetic acid, 96.80% Leuprorelin EP Impurity H Trifluoroacetic acid|C4X-182223 https://www.jk-sci.com/products/s57c4x-182411 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6362b330-ae36-4d63-a041-51a6b7ebfb12.png?v=1791373912 Cefcapene Impurity 11, 95.90% Cefcapene Impurity 11|C4X-182411 https://www.jk-sci.com/products/ts246cs-0083149 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500547.png?v=1791329856 Methyl 2-(2-methoxyphenyl)acetate, 96% | 27798-60-3 Methyl 2-(2-methoxyphenyl)acetate|CS-0083149|27798-60-3 https://www.jk-sci.com/products/s57c4x-18275 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576673_1e0b0147-c45f-41ea-a8fb-cd5e7d8a49d6.png?v=1791373841 Methionine Impurity 5, 99.80% | 3226-65-1 Methionine Impurity 5|C4X-18275|3226-65-1 https://www.jk-sci.com/products/s57c4x-182616 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4cad34f1-1286-4cf3-bd97-7edc3c90767c.png?v=1791373882 Iguratimod Impurity 16, 96.50% Iguratimod Impurity 16|C4X-182616 https://www.jk-sci.com/products/ts246cs-0083177 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293894.png?v=1791329850 DL-Methionine methylsulfonium (chloride), 98% | 3493-12-7 DL-Methionine methylsulfonium (chloride)|CS-0083177|3493-12-7 https://www.jk-sci.com/products/ts246cs-0083221 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e84b4f7ca4e1dcb7280e7b03cb0bc499.jpg?v=1791329845 3-Bromo-4-methyl-5-nitropyridin-2-amine, 99.17%+ | 929976-32-9 3-Bromo-4-methyl-5-nitropyridin-2-amine|CS-0083221|929976-32-9 https://www.jk-sci.com/products/s57c4x-183513 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2165830ba1558c68b8047dd0b563b48.jpg?v=1791373737 Hydroxychloroquine Impurity 13, Purity: 98.1% | 2411340-31-1 Hydroxychloroquine Impurity 13|C4X-183513|2411340-31-1 https://www.jk-sci.com/products/s57c4x-18364 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a801caeaf15f401227a9501e62adfe25.jpg?v=1791373709 Torasemide EP Impurity D, 97.80% | 160972-33-8 Torasemide EP Impurity D|C4X-18364|160972-33-8 https://www.jk-sci.com/products/s57c4x-183361 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a7e9ef2-1bd3-4c91-8c7e-3e12b5f33350.png?v=1791373772 Peramivir Impurity 61, 87.20% Peramivir Impurity 61|C4X-183361 https://www.jk-sci.com/products/s57c4x-18308 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8779814880102ecf7ad67587b37e09b4.jpg?v=1791373803 Lacosamide EP Impurity K, 95.60% | 86921-49-5 Lacosamide EP Impurity K|C4X-18308|86921-49-5 https://www.jk-sci.com/products/s57c4x-184019 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3ef7e8932ad75c1ebe4d1504c566e7d.jpg?v=1791373648 Epinastine Impurity 19, Purity: 96.6% | 5840-40-4 Epinastine Impurity 19|C4X-184019|5840-40-4 https://www.jk-sci.com/products/s57c4x-184044 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cef88958c802015e9b1b1f69e28ba04e.jpg?v=1791373633 Epinastine Impurity 44 Fumarate, 97.20% | 127785-96-0 Epinastine Impurity 44 Fumarate|C4X-184044|127785-96-0 https://www.jk-sci.com/products/s57c4x-184217 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5227fc97ad72e92d9280885d8619cf5.jpg?v=1791373618 Paclitaxel Impurity 17(13-O-(Triethylsilyl) Baccatin III), 99.40% | 208406-86-4 Paclitaxel Impurity 17(13-O-(Triethylsilyl) Baccatin III)|C4X-184217|208406-86-4 https://www.jk-sci.com/products/s57c4x-18382 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362266_021d8253-5325-4a3e-a6ad-2f2e7d561f82.png?v=1791373674 Betahistine EP Impurity B, 95.60% | 103-74-2 Betahistine EP Impurity B|C4X-18382|103-74-2 https://www.jk-sci.com/products/ts246cs-0083462 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e6db7425001a62ac9702084e1a4c165.jpg?v=1791329803 tert-Butyl 2-methyl-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate, 97% | 210538-72-0 tert-Butyl 2-methyl-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate|CS-0083462|210538-72-0 https://www.jk-sci.com/products/ts246cs-0083339 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2bc167a8e131d40b104c36b3ad4fa48.jpg?v=1791329824 (5-Bromo-2-(trifluoromethoxy)phenyl)methanamine, 98% | 1152088-62-4 (5-Bromo-2-(trifluoromethoxy)phenyl)methanamine|CS-0083339|1152088-62-4 https://www.jk-sci.com/products/j5315525 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6dc7da5d5fb014513f6120adae0b94c.jpg?v=1791412837 Fmoc-styryl-D-b-homoalanine, Purity by HPLC ≥ 99% | 332064-75-2 Fmoc-styryl-D-b-homoalanine|15525|332064-75-2 https://www.jk-sci.com/products/j5312169 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06904491fec2f9697de3c6fc952c06ce.jpg?v=1791414488 Phthaloyl-glycine 4-nitorophenyl ester, Purity by HPLC ≥ 99% | 21313-49-5 Phthaloyl-glycine 4-nitorophenyl ester|12169|21313-49-5 https://www.jk-sci.com/products/ts246cs-0083522 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c779ac279108ec266dba1927635acf6.jpg?v=1791329799 4-Bromo-6-hydroxypyrazolo[1,5-a]pyridine-3-carbonitrile, 96.00%+ | 2068065-05-2 4-Bromo-6-hydroxypyrazolo[1,5-a]pyridine-3-carbonitrile|CS-0083522|2068065-05-2 https://www.jk-sci.com/products/s57c4x-18425 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/604144_fe7857ef-862a-4dd0-a35f-23101cccf100.png?v=1791373600 Paclitaxel EP Impurity E, 91.30% | 105454-04-4 Paclitaxel EP Impurity E|C4X-18425|105454-04-4 https://www.jk-sci.com/products/ts246cs-0083684 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/424702.png?v=1791329793 Tetraamminepalladium(II) chloride, 98% | 13815-17-3 Tetraamminepalladium(II) chloride|CS-0083684|13815-17-3 https://www.jk-sci.com/products/ts246cs-0077769 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d1a22514a59624f2720632be1b4f128.jpg?v=1791330749 6-Bromobenzo[b]thiophene 1,1-dioxide, 97% | 246177-22-0 6-Bromobenzo[b]thiophene 1,1-dioxide|CS-0077769|246177-22-0 https://www.jk-sci.com/products/s57c4x-18444 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8adf4e35-e8fa-48c2-8490-cf0c662e8c78.png?v=1791373585 Amphotericin B EP Impurity C, 89.20% Amphotericin B EP Impurity C|C4X-18444 https://www.jk-sci.com/products/ts246cs-0083687 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6de4697ff70dcf3355fb80e6d4c4328.jpg?v=1791329793 6-Chloro-3-methoxy-2-nitropyridine, 98.27%+ | 1616526-81-8 6-Chloro-3-methoxy-2-nitropyridine|CS-0083687|1616526-81-8 https://www.jk-sci.com/products/ts246cs-0074865 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b520286044f79f10c86914b21fb0424a.jpg?v=1791331093 3-Methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione hydrochloride, 97% | 13625-49-5 3-Methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione hydrochloride|CS-0074865|13625-49-5 https://www.jk-sci.com/products/s57c4x-184934 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7eda59d94bcabc73a0ae9494502ecc99.jpg?v=1791373556 Adrenaline Impurity 34, 91.60% | 1095714-91-2 Adrenaline Impurity 34|C4X-184934|1095714-91-2 https://www.jk-sci.com/products/s57c4x-1849 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518052_d963923c-0b56-487f-b8e8-ae55467068ad.png?v=1791373570 DL-Epinephrine Hydrochloride, 99.40% | 329-63-5 DL-Epinephrine Hydrochloride|C4X-1849|329-63-5 https://www.jk-sci.com/products/ts246cs-0079897 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b80da57e14840e522e9c32d39df92556.jpg?v=1791330510 (S)-tert-Butyl 2-amino-2-cyclohexylacetate hydrochloride, 97% | 213475-52-6 (S)-tert-Butyl 2-amino-2-cyclohexylacetate hydrochloride|CS-0079897|213475-52-6 https://www.jk-sci.com/products/ts246cs-0080511 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92263c8be858f18fca7873de61487516.jpg?v=1791330374 4-Chloro-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine, 98% | 1256802-09-1 4-Chloro-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine|CS-0080511|1256802-09-1 https://www.jk-sci.com/products/ts246cs-0080797 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304992_45d7443d-9564-465f-b316-9a434a6a9221.png?v=1791330264 2,3-Dichlorobenzenethiol, 97% | 17231-95-7 2,3-Dichlorobenzenethiol|CS-0080797|17231-95-7 https://www.jk-sci.com/products/s57c4x-184956 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253305_605cfa55-ba8c-4e78-b611-a153e9dcf1c2.png?v=1791373541 Epinephrine /Adrenaline Impurity 56, 98.20% | 25015-92-3 Epinephrine /Adrenaline Impurity 56|C4X-184956|25015-92-3 https://www.jk-sci.com/products/s57c4x-185010 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1001027-d533-422b-a038-d9a0b738d3e3.png?v=1791373524 Atracurium EP Impurity P, 64.10% Atracurium EP Impurity P|C4X-185010 https://www.jk-sci.com/products/s57c4x-185043 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96d666db99b2dd37da08ba216ee09dfb.jpg?v=1791373508 Atracurium Impurity 43, 90.90% | 1075727-00-2 Atracurium Impurity 43|C4X-185043|1075727-00-2 https://www.jk-sci.com/products/ts246cs-0081031 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed643b5cf720df5139af51d7a17dc424.jpg?v=1791330225 Methyl 6-bromo-2-chloronicotinate, 97% | 1142192-03-7 Methyl 6-bromo-2-chloronicotinate|CS-0081031|1142192-03-7 https://www.jk-sci.com/products/s57c4x-18534 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478738_90490477-59c7-4e30-bf53-0d167c53aff4.png?v=1791373494 Sibutramine Impurity 4, 95.80% | 140-53-4 Sibutramine Impurity 4|C4X-18534|140-53-4 https://www.jk-sci.com/products/s57c4x-18548 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6b15c6a473ff05fd62d08c9ef2147ac.jpg?v=1791373457 Arotinolol intermediate product 8, 99.30% | 52560-89-1 Arotinolol intermediate product 8|C4X-18548|52560-89-1 https://www.jk-sci.com/products/s57c4x-185429 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ac2e6e5-18cf-4b3f-a229-54ae6a6dadb1.png?v=1791373474 Arotinolol Impurity 29, 99.30% Arotinolol Impurity 29|C4X-185429 https://www.jk-sci.com/products/s57c4x-185822 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f40f8c9-c155-4ab0-b9bd-d78264aa21b0.png?v=1791373424 Trimebutine Impurity 22, Purity: 99.0% Trimebutine Impurity 22|C4X-185822 https://www.jk-sci.com/products/s57c4x-18558 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45aea07381f4950d0192ca9467c39185.jpg?v=1791373440 Aminophylline EP Impurity D, 97.20% | 6736-40-9 Aminophylline EP Impurity D|C4X-18558|6736-40-9 https://www.jk-sci.com/products/j5312811 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fda1bf45e4389ed461fb6cce54067788.jpg?v=1791414144 Thallium(III) trifluoroacetate, Assay ≥ 99% | 23586-53-0 Thallium(III) trifluoroacetate|12811|23586-53-0 https://www.jk-sci.com/products/ts246cs-0081112 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319905_caaa107d-11a1-4233-ae46-b8433e6bac4f.png?v=1791330162 4-Amino-3-(trifluoromethoxy)benzonitrile, 98.42%+ | 175278-23-6 4-Amino-3-(trifluoromethoxy)benzonitrile|CS-0081112|175278-23-6 https://www.jk-sci.com/products/s57c4x-18611 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4a48fc979cee0e3fcc29cf263113d60.jpg?v=1791373407 Nikethamide Impurity 1, 87.10% | 7606-13-5 Nikethamide Impurity 1|C4X-18611|7606-13-5 https://www.jk-sci.com/products/s57c4x-186228 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588156_61f2df76-1332-44b4-a1e2-22b9aef27a74.png?v=1791373379 Pyr-His-Trp-Ser-Tyr-D-Trp-NH2, Purity: 99.7% Pyr-His-Trp-Ser-Tyr-D-Trp-NH2|C4X-186228 https://www.jk-sci.com/products/s57c4x-186410 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4920d70498130270af308b9f11f1084d.jpg?v=1791373365 Phenytoin Impurity 10, 96.30% | 6802-95-5 Phenytoin Impurity 10|C4X-186410|6802-95-5 https://www.jk-sci.com/products/ts246cs-0081472 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e13c8cc3d089b026c17ecf70cbd65660.jpg?v=1791330118 (S)-2-(Oxiran-2-yl)ethan-1-ol, 97% | 95404-59-4 (S)-2-(Oxiran-2-yl)ethan-1-ol|CS-0081472|95404-59-4 https://www.jk-sci.com/products/s57c4x-1866 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610452_ab42fd34-bba2-47fe-8748-deaeabc4f9ee.png?v=1791373348 Acipimox, 98.40% | 51037-30-0 Acipimox|C4X-1866|51037-30-0 https://www.jk-sci.com/products/s57c4x-187318 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdd80f5e1e96b85c65b59f586d190ae1.jpg?v=1791373332 Thiamine /Vitamin B1 Impurity 18, 99.80% | 1886-34-6 Thiamine /Vitamin B1 Impurity 18|C4X-187318|1886-34-6 https://www.jk-sci.com/products/ts246cs-0081876 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504080_49545473-83c7-41c1-a6cc-9dcc3f131c2f.png?v=1791330072 2-Iodophenyl trifluoromethanesulfonate, 97% | 129112-26-1 2-Iodophenyl trifluoromethanesulfonate|CS-0081876|129112-26-1 https://www.jk-sci.com/products/s57c4x-18733 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89dd37c1ea6227e96b8f71b75ce5439b.jpg?v=1791373322 Thiamine Nitrate EP Impurity A, 94.70% | 2380-61-2 Thiamine Nitrate EP Impurity A|C4X-18733|2380-61-2 https://www.jk-sci.com/products/ts246cs-0082176 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9759c9a783ef004914b9fbb0b14c6892.jpg?v=1791330000 Chloro[(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) Chloride, 97% | 944451-31-4 Chloro[(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) Chloride|CS-0082176|944451-31-4 https://www.jk-sci.com/products/ts246cs-0082368 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141713_1c0aff99-66d9-414e-8322-0daf0a91b237.png?v=1791329955 4-Methoxynicotinic acid, 97% | 10177-31-8 4-Methoxynicotinic acid|CS-0082368|10177-31-8 https://www.jk-sci.com/products/ts246cs-0082390 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df023029e604a3602443f3cee0803ba.jpg?v=1791329950 (6-(Methoxycarbonyl)pyridin-3-yl)boronic acid, 96% | 1072945-86-8 (6-(Methoxycarbonyl)pyridin-3-yl)boronic acid|CS-0082390|1072945-86-8 https://www.jk-sci.com/products/s57c4x-18737 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546698_e973597b-8a0d-4ebe-907e-7b30821302bf.png?v=1791373319 Thiamine nitrate EP Impurity E, 97.20% | 299-35-4 Thiamine nitrate EP Impurity E|C4X-18737|299-35-4 https://www.jk-sci.com/products/s57c4x-187412 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78212b246d1167766743e9a5fe90fc44.jpg?v=1791373307 Hydroxocobalamin Hydrochloride( Cyanocobalamin EP Impurity H HCl）, 90.30% | 58288-50-9 Hydroxocobalamin Hydrochloride( Cyanocobalamin EP Impurity H HCl）|C4X-187412|58288-50-9 https://www.jk-sci.com/products/s57c4x-187423 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11f8d7d3a63b12938997c686e7d0416c.jpg?v=1791373282 Cyanocobalamin /Vitamin B12 Impurity 23, 90.50% | 38218-55-2 Cyanocobalamin /Vitamin B12 Impurity 23|C4X-187423|38218-55-2 https://www.jk-sci.com/products/s57c4x-18748 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e36c1a7540cde36f71744cb032eb56ea.jpg?v=1791373272 Cyanocobalamin EP Impurity A, 89.40% | 23208-66-4 Cyanocobalamin EP Impurity A|C4X-18748|23208-66-4 https://www.jk-sci.com/products/s57c4x-18754 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5f782665-7d70-480a-951e-67ab1d88aa7a.png?v=1791373265 Tandospirone Impurity 4, 100.00% Tandospirone Impurity 4|C4X-18754 https://www.jk-sci.com/products/s57c4x-18761 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564133_c2a79387-5f87-4142-9e83-1ff02e2483e0.png?v=1791373254 Sulpiride EP Impurity B, 99.70% | 33045-52-2 Sulpiride EP Impurity B|C4X-18761|33045-52-2 https://www.jk-sci.com/products/ts246cs-0082806 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a97fd58f44745f48e32e86cc3f16e4.jpg?v=1791329883 Ir(p-CF3-ppy)3, 97% | 500295-52-3 Ir(p-CF3-ppy)3|CS-0082806|500295-52-3 https://www.jk-sci.com/products/ts246cs-0082591 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222817.png?v=1791329898 Carbonylhydridotris(triphenylphosphine)iridium(I), 95% | 17250-25-8 Carbonylhydridotris(triphenylphosphine)iridium(I)|CS-0082591|17250-25-8 https://www.jk-sci.com/products/ts246cs-0083172 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7ed6096dfd5a26a1ba0a365adcf8c9c.jpg?v=1791329855 2-Amino-3-(difluoromethoxy)phenol, 97% | 1597140-36-7 2-Amino-3-(difluoromethoxy)phenol|CS-0083172|1597140-36-7 https://www.jk-sci.com/products/s57c4x-187743 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_12f929cd-dfdb-4a01-9e81-d86d9fc5adf6.png?v=1791373243 Vitamin B6 (Pyridoxine) Impurity 43 Sodium, 98.60% Vitamin B6 (Pyridoxine) Impurity 43 Sodium|C4X-187743 https://www.jk-sci.com/products/ts246cs-0083230 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f33c709913c0addadf1affb97dbcfad.jpg?v=1791329840 3-Bromo-5-chloro-6-methylpyridin-2-amine, 98% | 952948-94-6 3-Bromo-5-chloro-6-methylpyridin-2-amine|CS-0083230|952948-94-6 https://www.jk-sci.com/products/ts246cs-0083482 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f6b63fcb2e098f2da468b9558e7b432.jpg?v=1791329803 (3-Hydroxy-4-methylphenyl)boronic acid, 97% | 216019-35-1 (3-Hydroxy-4-methylphenyl)boronic acid|CS-0083482|216019-35-1 https://www.jk-sci.com/products/s57c4x-187730 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5170b3525c91b70c3d8eaf7eee83a9ba.jpg?v=1791373249 Pyridoxal-d3 Hydrochloride, Purity: 98.3% | 1173023-49-8 Pyridoxal-d3 Hydrochloride|C4X-187730|1173023-49-8 https://www.jk-sci.com/products/s57c4x-18778 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bc9c3b57b4ad83f8581ba74786e9adf.jpg?v=1791373222 Pyridoxine EP Impurity A, 96.00% | 1006-21-9 Pyridoxine EP Impurity A|C4X-18778|1006-21-9 https://www.jk-sci.com/products/ts246cs-0083685 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461871_e4baf58d-8b51-4530-bab0-fafc8e9c301b.png?v=1791329793 Tetraammineplatinum(II) chloride, 99.90%+ | 13933-32-9 Tetraammineplatinum(II) chloride|CS-0083685|13933-32-9 https://www.jk-sci.com/products/s57c4x-18775 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/798c3e116884567ecab5f61e6330460d.jpg?v=1791373230 Pyridoxine Impurity 5, 96.40% | 4469-34-5 Pyridoxine Impurity 5|C4X-18775|4469-34-5 https://www.jk-sci.com/products/ts246cs-0083895 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5067f3863c908745fbc8d02f7c6ab7eb.jpg?v=1791329760 1-(Piperidin-4-yl)propan-1-ol, 95% | 24152-48-5 1-(Piperidin-4-yl)propan-1-ol|CS-0083895|24152-48-5 https://www.jk-sci.com/products/s57c4x-188110 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7a54ffec256ffa5e985d50b718f58ae_49d7e901-21e7-4a16-99e2-01cb89b589f3.jpg?v=1791373213 4-Methoxyphenethyl Alcohol, 95.70% | 702-23-8 4-Methoxyphenethyl Alcohol|C4X-188110|702-23-8 https://www.jk-sci.com/products/ts246cs-0083834 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0573c6648187d9e44bf70d9247243b12.jpg?v=1791329782 3-Cyclobutyl-1-methyl-1H-pyrazole-4-carbaldehyde, 95% | 1824343-92-1 3-Cyclobutyl-1-methyl-1H-pyrazole-4-carbaldehyde|CS-0083834|1824343-92-1 https://www.jk-sci.com/products/ts246cs-0108184 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1090c832523f096fdc715359aafeab5.jpg?v=1791320342 Azido-PEG6-NHS ester, 98% | 2055014-64-5 Azido-PEG6-NHS ester|CS-0108184|2055014-64-5 https://www.jk-sci.com/products/s57c4x-18849 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291409_23870483-a4fc-43fd-aa62-bb0fb5a45fc4.png?v=1791373177 Etomidate EP Impurity A, 90.90% | 3157-27-5 Etomidate EP Impurity A|C4X-18849|3157-27-5 https://www.jk-sci.com/products/s57c4x-189119 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39fa0372185ee6d24bf0c07c460890d3.jpg?v=1791373161 Esmolol Impurity 19, 95.00% | 108260-84-0 Esmolol Impurity 19|C4X-189119|108260-84-0 https://www.jk-sci.com/products/s57c4x-188420 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47b4cb5c-937e-4b31-b45f-3347256de789.png?v=1791373192 Etomidate Impurity 20, 99.30% Etomidate Impurity 20|C4X-188420 https://www.jk-sci.com/products/ts246cs-0108312 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3676aa99b76a21b821011d47066c4d14.jpg?v=1791320318 2,3-Dimethyl-2H-indazol-4-amine, 96% | 1782433-66-2 2,3-Dimethyl-2H-indazol-4-amine|CS-0108312|1782433-66-2 https://www.jk-sci.com/products/s57c4x-189011 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618170_7e54037c-6b27-44da-8fb8-63abf6fa7eb3.png?v=1791373168 Ceftibuten Hydrate, 86.90% | 118081-34-8 Ceftibuten Hydrate|C4X-189011|118081-34-8 https://www.jk-sci.com/products/j5314049 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9196092e36444f7897e0796ea2e594a.jpg?v=1791413915 3-Methoxybenzyl bromide, Purity by GC ≥ 99% | 874-98-6 3-Methoxybenzyl bromide|14049|874-98-6 https://www.jk-sci.com/products/ts246cs-0083978 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37f27eccc940a2f31f20b9f769871b4f.jpg?v=1791329739 N1-(Imidazo[1,2-a]pyrazin-8-yl)ethane-1,2-diamine, 97% | 956722-44-4 N1-(Imidazo[1,2-a]pyrazin-8-yl)ethane-1,2-diamine|CS-0083978|956722-44-4 https://www.jk-sci.com/products/j5314370 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0d243e6481b1268576f4ca861abd078.jpg?v=1791413734 3-Chloro-D-tyrosine, Purity by HPLC ≥ 98% | 162599-96-4 3-Chloro-D-tyrosine|14370|162599-96-4 https://www.jk-sci.com/products/j5314934 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77a0793d2b6b8282878682c80549c842.jpg?v=1791413512 H-D-allo-Threonine methyl ester hydrochloride, Purity ≥ 98% | 60538-18-3 H-D-allo-Threonine methyl ester hydrochloride|14934|60538-18-3 https://www.jk-sci.com/products/j5314476 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f651de41e85b83081ca266a18c06377.jpg?v=1791413625 4-(Fmoc-4-aminophenyl)butanoic acid, Purity by HPLC ≥ 97% | 186320-14-9 4-(Fmoc-4-aminophenyl)butanoic acid|14476|186320-14-9 https://www.jk-sci.com/products/j5315027 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9ac2547d4bc2a26e71e2d6e5520067d.jpg?v=1791413459 Boc-(S)-2-amino-3-(3-indolyl)propionitrile, Purity ≥ 98% | 138165-79-4 Boc-(S)-2-amino-3-(3-indolyl)propionitrile|15027|138165-79-4 https://www.jk-sci.com/products/j5315056 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5944ba155706abebc270b73464d862a9.jpg?v=1791413415 Fmoc-3-methoxy-L-phenlyalanine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 97% | 206060-40-4 Fmoc-3-methoxy-L-phenlyalanine|15056|206060-40-4 https://www.jk-sci.com/products/s57c4x-189131 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f304650-2a57-4d1c-85d9-cf9dde7a0aac.png?v=1791373151 Esmolol Impurity 31, 98.90% Esmolol Impurity 31|C4X-189131 https://www.jk-sci.com/products/ts246cs-0083983 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a39322743cb49be518b694b8374e6513.jpg?v=1791329739 4-(1-Methyl-1H-pyrazol-5-yl)benzaldehyde, 98% | 179055-28-8 4-(1-Methyl-1H-pyrazol-5-yl)benzaldehyde|CS-0083983|179055-28-8 https://www.jk-sci.com/products/j5315109 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46f4d2e3719727e3c6cde403f8fce2aa.jpg?v=1791413320 D-Hydroorotic acid, Purity by HPLC ≥ 95% | 5988-53-4 D-Hydroorotic acid|15109|5988-53-4 https://www.jk-sci.com/products/j5315083 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9b00f00cd7902f4a475c11468571c18.jpg?v=1791413368 Fmoc-Ala-Ser[Psi(Me,Me)Pro]-OH, Assay by titration 97 - 100% || Purity by HPLC ≥ 99% | 252554-78-2 Fmoc-Ala-Ser[Psi(Me,Me)Pro]-OH|15083|252554-78-2 https://www.jk-sci.com/products/j5315144 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eea3d66b6b40b1b1018e4b7588f0c880.jpg?v=1791413262 Cefepime·HCl | 123171-59-5 Cefepime·HCl|15144|123171-59-5 https://www.jk-sci.com/products/j5315176 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/152ee2f7aeb0a57c971f0bbe87906ff1.jpg?v=1791413233 Spiramycin | 8025-81-8 Spiramycin|15176|8025-81-8 https://www.jk-sci.com/products/ts246cs-0084030 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d8fa574549c5c88278995d42d57760e.jpg?v=1791329721 1-(3-Hydroxyphenyl)pyrrolidine-2,5-dione, 98% | 1204-36-0 1-(3-Hydroxyphenyl)pyrrolidine-2,5-dione|CS-0084030|1204-36-0 https://www.jk-sci.com/products/j5315233 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02c4c2771bd12cb33be5ffd1cda49f99.jpg?v=1791413185 3-Nitro-L-phenylalanine, Purity by HPLC ≥ 97% | 19883-74-0 3-Nitro-L-phenylalanine|15233|19883-74-0 https://www.jk-sci.com/products/j5315254 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d96547fbcf63d1dbc9f2ed095626b6cd.jpg?v=1791413154 (+)-(1S,3R)-N-Fmoc-3-aminocyclopentane carboxylic acid, Purity by HPLC ≥ 95% | 220497-66-5 (+)-(1S,3R)-N-Fmoc-3-aminocyclopentane carboxylic acid|15254|220497-66-5 https://www.jk-sci.com/products/s57c4x-189140 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475860_279f933d-bdae-4f5a-9ccf-beaef6c8e5f3.png?v=1791373142 Esmolol Impurity 40, Purity: 99.2% | 61389-68-2 Esmolol Impurity 40|C4X-189140|61389-68-2 https://www.jk-sci.com/products/j5315299 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8056d529d4353076e24f6d3493eb0664.jpg?v=1791413104 (1-Naphthyl)-D-b-homoalanine hydrochloride, Purity ≥ 98% | 269398-88-1 (1-Naphthyl)-D-b-homoalanine hydrochloride|15299|269398-88-1 https://www.jk-sci.com/products/j5315265 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eaf7ab30f6124682f3ea0f8c77f1833.jpg?v=1791413137 Boc-(±)-trans-4-(2-pyridinyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 267876-09-5 Boc-(±)-trans-4-(2-pyridinyl)pyrrolidine-3-carboxylic acid|15265|267876-09-5 https://www.jk-sci.com/products/j5315341 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e99dc6a931cd510be12063be4e9eaa7f.jpg?v=1791413048 3-Methyl-L-b-homophenylalanine hydrochloride, Purity ≥ 98% | 270062-92-5 3-Methyl-L-b-homophenylalanine hydrochloride|15341|270062-92-5 https://www.jk-sci.com/products/j5315328 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c8594d571de156dcf509095b4353b3e.jpg?v=1791413061 (3-Thienyl)-D-b-homoalanine hydrochloride, Purity ≥ 99% | 269726-91-2 (3-Thienyl)-D-b-homoalanine hydrochloride|15328|269726-91-2 https://www.jk-sci.com/products/j5315348 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3199c241f3ba8cb7deb72cb810f1639f.jpg?v=1791413040 Fmoc-(S)-2-tetrahydroisoquinoline acetic acid, Purity ≥ 99% | 270062-99-2 Fmoc-(S)-2-tetrahydroisoquinoline acetic acid|15348|270062-99-2 https://www.jk-sci.com/products/j5315362 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83fcd34004fe8fb34cac0e9573510673.jpg?v=1791413027 3,4-Dichloro-L-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 99% | 270063-50-8 3,4-Dichloro-L-b-homophenylalanine hydrochloride|15362|270063-50-8 https://www.jk-sci.com/products/j5315371 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84094239063940247579ad0883f3b308.jpg?v=1791413018 Fmoc-(4-pyridyl)-L-b-homoalanine, Purity by HPLC ≥ 97% | 270065-69-5 Fmoc-(4-pyridyl)-L-b-homoalanine|15371|270065-69-5 https://www.jk-sci.com/products/j5315393 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f02d1d0a67ed0e702fdf1323acaf9772_a8abaaed-0ca6-4443-976f-89f0acf186d4.jpg?v=1791412991 (2-Thienyl)-L-b-homoalanine hydrochloride, Purity by HPLC ≥ 98% | 270065-91-3 (2-Thienyl)-L-b-homoalanine hydrochloride|15393|270065-91-3 https://www.jk-sci.com/products/ts246cs-0084127 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3882a277326dd55fb018346186e82d29.jpg?v=1791329706 (1-Methyl-1H-imidazol-2-yl)(piperidin-4-yl)methanol, 95% | 912761-33-2 (1-Methyl-1H-imidazol-2-yl)(piperidin-4-yl)methanol|CS-0084127|912761-33-2 https://www.jk-sci.com/products/ts246cs-0084165 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f77d03c84c21f65589b80255310eb316.jpg?v=1791329701 (4-Methylpiperidin-4-yl)methanol hydrochloride, 97% | 1354792-85-0 (4-Methylpiperidin-4-yl)methanol hydrochloride|CS-0084165|1354792-85-0 https://www.jk-sci.com/products/j5315401 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7ad8e420492e20c7b9f81c620863449.jpg?v=1791412981 Fmoc-L-b-homoallylglycine, Purity by HPLC ≥ 98% | 270263-04-2 Fmoc-L-b-homoallylglycine|15401|270263-04-2 https://www.jk-sci.com/products/j5315411 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42f1ec863bc17d39985438c1f7009571.jpg?v=1791412973 Fmoc-2-chloro-L-b-homophenylalanine, Purity by HPLC ≥ 99% | 270596-37-7 Fmoc-2-chloro-L-b-homophenylalanine|15411|270596-37-7 https://www.jk-sci.com/products/j5315424 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1430719d05443ab43711f7b4af227364.jpg?v=1791412954 3-Fluoro-L-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 98% | 270596-50-4 3-Fluoro-L-b-homophenylalanine hydrochloride|15424|270596-50-4 https://www.jk-sci.com/products/j5315417 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147b55ace79006249ae23df8b5b6b0ea.jpg?v=1791412960 Fmoc-4-chloro-L-b-homophenylalanine, Purity by HPLC ≥ 98% | 270596-43-5 Fmoc-4-chloro-L-b-homophenylalanine|15417|270596-43-5 https://www.jk-sci.com/products/j5315433 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd0d4f6e0ae3744ab9eb2ee880362a8a.jpg?v=1791412938 Boc-(S)-3-amino-3-(3'-pyridyl)propionic acid, Purity by HPLC ≥ 98% | 297773-45-6 Boc-(S)-3-amino-3-(3'-pyridyl)propionic acid|15433|297773-45-6 https://www.jk-sci.com/products/ts246cs-0084271 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fd920d72dd166f56d256de30ccb39bd.jpg?v=1791329680 N-Methylnicotinamide, 96.02%+ | 114-33-0 N-Methylnicotinamide|CS-0084271|114-33-0 https://www.jk-sci.com/products/j5315444 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0602348c59c53fa4fbd68f2c7c960fe0.jpg?v=1791412925 Fmoc-(S)-3-amino-3-(4-fluorophenyl)propionic acid, Purity by HPLC ≥ 98% | 479064-89-6 Fmoc-(S)-3-amino-3-(4-fluorophenyl)propionic acid|15444|479064-89-6 https://www.jk-sci.com/products/j5315450 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c76daa3735ef9bc5ba4601a4e7aabf20.jpg?v=1791412914 Fmoc-(R)-3-amino-3-(4-fluorophenyl)propionic acid, Purity ≥ 98% | 479064-95-4 Fmoc-(R)-3-amino-3-(4-fluorophenyl)propionic acid|15450|479064-95-4 https://www.jk-sci.com/products/ts246cs-0084299 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28f2070fa2c8f6a2348a59137bb5fc92.jpg?v=1791329665 5-Bromo-2-(trifluoromethoxy)benzoic acid, 97% | 403646-47-9 5-Bromo-2-(trifluoromethoxy)benzoic acid|CS-0084299|403646-47-9 https://www.jk-sci.com/products/j5315529 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e79598f2daeb1789b48ad2418a61b98.jpg?v=1791412832 4-Phenyl-D-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 99% | 332062-01-8 4-Phenyl-D-b-homophenylalanine hydrochloride|15529|332062-01-8 https://www.jk-sci.com/products/j5315498 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ff9560e69536a60053b56e716dce1f9.jpg?v=1791412871 L-b-Homotyrosine hydrochloride, Purity ≥ 97% | 336182-13-9 L-b-Homotyrosine hydrochloride|15498|336182-13-9 https://www.jk-sci.com/products/j5315521 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b13deea99cc043cb974e145b90a7cbb9.jpg?v=1791412842 4-Nitro-D-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 99% | 331763-78-1 4-Nitro-D-b-homophenylalanine hydrochloride|15521|331763-78-1 https://www.jk-sci.com/products/j5315508 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce17ca63fd2546c67fd566c04a4cd6e4.jpg?v=1791412856 Boc-3-fluoro-D-b-homophenylalanine, Purity ≥ 99% | 331763-66-7 Boc-3-fluoro-D-b-homophenylalanine|15508|331763-66-7 https://www.jk-sci.com/products/ts246cs-0084328 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a9817102322230d55686fa742681f72.jpg?v=1791329644 4-Bromo-3-(trifluoromethoxy)aniline, 97% | 116369-25-6 4-Bromo-3-(trifluoromethoxy)aniline|CS-0084328|116369-25-6 https://www.jk-sci.com/products/j5315556 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d922056be24fc1c46a65ac400c6a4003.jpg?v=1791412801 Boc-(R)-3-amino-3-(3-chlorophenyl)propionic acid, Purity by HPLC ≥ 98% | 500789-06-0 Boc-(R)-3-amino-3-(3-chlorophenyl)propionic acid|15556|500789-06-0 https://www.jk-sci.com/products/j5315566 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb4e959e6de8168e2af45dda5fe37a9e.jpg?v=1791412788 Boc-(R)-3-amino-3-(3-bromophenyl)propionic acid, Purity ≥ 98% | 501015-16-3 Boc-(R)-3-amino-3-(3-bromophenyl)propionic acid|15566|501015-16-3 https://www.jk-sci.com/products/j5315583 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de34000ee7d7d26948a72a5e0f8dba7d.jpg?v=1791412773 (R)-3-Amino-3-(4-trifluoromethylphenyl)propionic acid, Purity by HPLC ≥ 99% | 774178-39-1 (R)-3-Amino-3-(4-trifluoromethylphenyl)propionic acid|15583|774178-39-1 https://www.jk-sci.com/products/j5315586 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06c0fde67f745fa9548f0fd197e25441.jpg?v=1791412768 Boc-(S)-3-amino-3-(4-trifluoromethylphenyl)propionic acid, Purity by HPLC ≥ 98% | 500770-79-6 Boc-(S)-3-amino-3-(4-trifluoromethylphenyl)propionic acid|15586|500770-79-6 https://www.jk-sci.com/products/ts246cs-0084385 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8799d5330b8067c2f19f55eaaa21c00.jpg?v=1791329618 Methyl 2-methylimidazo[1,2-a]pyridine-3-carboxylate, 98.45%+ | 943112-78-5 Methyl 2-methylimidazo[1,2-a]pyridine-3-carboxylate|CS-0084385|943112-78-5 https://www.jk-sci.com/products/ts246cs-0084335 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a9b7df28ebdaab5769e51e986b8562.jpg?v=1791329639 (5-Cyano-2-(trifluoromethoxy)phenyl)boronic acid, 95% | 1072946-64-5 (5-Cyano-2-(trifluoromethoxy)phenyl)boronic acid|CS-0084335|1072946-64-5 https://www.jk-sci.com/products/s57c4x-189168 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_accd202b-7d9b-40f9-a177-6a394346f1ac.png?v=1791373138 Esmolol Impurity 68, 99.40% Esmolol Impurity 68|C4X-189168 https://www.jk-sci.com/products/ts246cs-0084388 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327201.png?v=1791329612 (6-(Trifluoromethyl)pyridin-3-yl)methanol, 97% | 386704-04-7 (6-(Trifluoromethyl)pyridin-3-yl)methanol|CS-0084388|386704-04-7 https://www.jk-sci.com/products/s57c4x-189181 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e923000-35e0-4c12-a831-b84ca87aba86.png?v=1791373124 Esmolol Impurity 81, Purity: 97.5% Esmolol Impurity 81|C4X-189181 https://www.jk-sci.com/products/s57c4x-18928 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eeeea122237b68b3851373077307250c.jpg?v=1791373113 Calcifediol Impurity 8 | 78782-98-6 Calcifediol Impurity 8|C4X-18928|78782-98-6 https://www.jk-sci.com/products/s57c4x-18943 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d73f57ab89745a4f2b42b78dae28c18.jpg?v=1791373109 Ethambutol EP Impurity C (2R,2’R-Ethambutol), Purity: 100.0% | 10054-05-4 Ethambutol EP Impurity C (2R,2’R-Ethambutol)|C4X-18943|10054-05-4 https://www.jk-sci.com/products/j5315592 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c59187c7572818a1c36f377ffb9c40e.jpg?v=1791412759 Boc-(S)-3-amino-3-(3-cyanophenyl)propionic acid, Purity by HPLC ≥ 98% | 500770-81-0 Boc-(S)-3-amino-3-(3-cyanophenyl)propionic acid|15592|500770-81-0 https://www.jk-sci.com/products/ts246cs-0084541 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9ec028c4f3149a06759c1d0ae6290c5.jpg?v=1791329584 (11bR)-2,6-Di-9-phenanthrenyl-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 97% | 864943-22-6 (11bR)-2,6-Di-9-phenanthrenyl-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin|CS-0084541|864943-22-6 https://www.jk-sci.com/products/s57c4x-189511 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_80364b33-82b0-4746-ac23-64432d1779b1.png?v=1791373097 Flupentixol EP Impurity H and Flupentixol EP Impurity I Mixture, 98.40% Flupentixol EP Impurity H and Flupentixol EP Impurity I Mixture|C4X-189511 https://www.jk-sci.com/products/s57c4x-18953 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e2e342456f1ffb313221257a1a0deed.jpg?v=1791373093 Flupentixol EP Impurity B (E and Z Mixture) HCl, 97.70% | 47346-96-3 Flupentixol EP Impurity B (E and Z Mixture) HCl|C4X-18953|47346-96-3 https://www.jk-sci.com/products/j5315596 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78803c6cbe418bed3e684e368f6e507c.jpg?v=1791412754 (S)-3-Amino-3-(4-cyanophenyl)propionic acid, Purity by HPLC ≥ 99% | 718596-77-1 (S)-3-Amino-3-(4-cyanophenyl)propionic acid|15596|718596-77-1 https://www.jk-sci.com/products/ts246cs-0084577 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0177d7f043afcf35266eefdb86823030.jpg?v=1791329569 1-(3-Chlorophenyl)but-3-en-1-amine hydrochloride, 96% | 2089648-62-2 1-(3-Chlorophenyl)but-3-en-1-amine hydrochloride|CS-0084577|2089648-62-2 https://www.jk-sci.com/products/ts246cs-0084589 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325691.png?v=1791329564 6-Chloro-2-naphthalenesulfonyl chloride, 97% | 102153-63-9 6-Chloro-2-naphthalenesulfonyl chloride|CS-0084589|102153-63-9 https://www.jk-sci.com/products/s57c4x-189910 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6a18872-8e2e-43f0-8ab4-6398cfa2eb3a.png?v=1791373082 Benzylpenicillin Impurity 10(Benzylpenicillin CP Impurity J), 88.80% Benzylpenicillin Impurity 10(Benzylpenicillin CP Impurity J)|C4X-189910 https://www.jk-sci.com/products/s57c4x-18994 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08c4c6891ca9b4fa2a400190119b4db6.jpg?v=1791373073 Benzylpenicillin EP Impurity D, 91.70% | 13093-87-3 Benzylpenicillin EP Impurity D|C4X-18994|13093-87-3 https://www.jk-sci.com/products/ts246cs-0084707 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612999.png?v=1791329524 (2-Methoxy-4-(trifluoromethoxy)phenyl)boronic acid, 98.00%+ | 355836-10-1 (2-Methoxy-4-(trifluoromethoxy)phenyl)boronic acid|CS-0084707|355836-10-1 https://www.jk-sci.com/products/j5315603 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da68bdebaebb2c72abe8bfc10908f809.jpg?v=1791412749 Boc-(R)-3-amino-3-(2-nitrophenyl)propionic acid, Purity by HPLC ≥ 95% | 501015-23-2 Boc-(R)-3-amino-3-(2-nitrophenyl)propionic acid|15603|501015-23-2 https://www.jk-sci.com/products/s57c4x-18998 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129394_d2193a14-b163-48dc-8695-0dcf6bf80214.png?v=1791373069 Benzylpenicillin Impurity 8(Benzylpenicillin CP Impurity H), 99.50% | 500-98-1 Benzylpenicillin Impurity 8(Benzylpenicillin CP Impurity H)|C4X-18998|500-98-1 https://www.jk-sci.com/products/ts246cs-0084606 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a818b7cfd22b5fc6e7bf022200889bd.jpg?v=1791329547 3-Methyl-4-trifluoromethoxybenzeneboronic acid, 98% | 871362-79-7 3-Methyl-4-trifluoromethoxybenzeneboronic acid|CS-0084606|871362-79-7 https://www.jk-sci.com/products/ts246cs-0084750 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1443f0b78d280382e32747fcbacdcf7.jpg?v=1791329513 6-Fluoroquinazolin-2-amine, 95% | 20028-72-2 6-Fluoroquinazolin-2-amine|CS-0084750|20028-72-2 https://www.jk-sci.com/products/j5315605 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c46ce293e04b72859349d2c11c98eb6.jpg?v=1791412744 Fmoc-(R)-3-amino-3-(2-nitrophenyl)propionic acid, Purity by HPLC ≥ 95% | 517905-93-0 Fmoc-(R)-3-amino-3-(2-nitrophenyl)propionic acid|15605|517905-93-0 https://www.jk-sci.com/products/j5315618 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f273cbc9f108f2a4096aaf2b0e044aa2.jpg?v=1791412731 (S)-3-Amino-3-(2-methylphenyl)propionic acid, Purity by HPLC ≥ 98% | 736131-48-9 (S)-3-Amino-3-(2-methylphenyl)propionic acid|15618|736131-48-9 https://www.jk-sci.com/products/s57c4x-190217 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04869590ad79951dd574e1938a5a7885.jpg?v=1791373059 Salicylic Acid Impurity 17, 78.20% | 870806-51-2 Salicylic Acid Impurity 17|C4X-190217|870806-51-2 https://www.jk-sci.com/products/s57c4x-190330 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538514_523d61f0-72f4-4d3e-96c3-069f2ca02de4.png?v=1791373048 Lenalidomide Impurity 30, 95.70% | 13726-85-7 Lenalidomide Impurity 30|C4X-190330|13726-85-7 https://www.jk-sci.com/products/s57c4x-19039 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a14e448cc3800aa47b33168c95b120.jpg?v=1791373037 Lenalidomide Impurity 9, Purity: 99.8% | 827026-45-9 Lenalidomide Impurity 9|C4X-19039|827026-45-9 https://www.jk-sci.com/products/s57c4x-19072 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ce5f974eda04a4aa0b5ffe266b6e9de.jpg?v=1791373017 Nicorandil EP Impurity A, 99.00% | 65141-47-1 Nicorandil EP Impurity A|C4X-19072|65141-47-1 https://www.jk-sci.com/products/s57c4x-190734 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_332ddccf-dece-46ee-b7f2-a2b6a08b73eb.png?v=1791372998 Nicorandil Impurity 34, 72.40% Nicorandil Impurity 34|C4X-190734 https://www.jk-sci.com/products/s57c4x-1906 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee6bc07c36852fa27da440383278f789.jpg?v=1791373027 Sugammadex Sodium Salt, 92.40% | 343306-79-6 Sugammadex Sodium Salt|C4X-1906|343306-79-6 https://www.jk-sci.com/products/s57c4x-190742 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92ae08c3b9fe0698346c4f5b828dd2ba_8f6125ce-c00d-4dce-911d-8a8ce8d09c92.jpg?v=1791372989 Nicorandil EP Impurity D, 99.70% | 40055-37-6 Nicorandil EP Impurity D|C4X-190742|40055-37-6 https://www.jk-sci.com/products/s57c4x-190753 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3de79671-0f20-46d9-b9b3-8fc2c7457fe3.png?v=1791372982 Nicorandil Impurity 53 Nitrate, 95.10% Nicorandil Impurity 53 Nitrate|C4X-190753 https://www.jk-sci.com/products/ts246cs-0084791 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94f171a3636877c866ed6037f0d63c10.jpg?v=1791329504 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carboxylic acid, 98% | 1527518-33-7 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carboxylic acid|CS-0084791|1527518-33-7 https://www.jk-sci.com/products/s57c4x-190755 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63bb9cde68b5e8c7e7e6e09756a390ff.jpg?v=1791372972 Nicorandil Impurity 55, Purity: 99.4% | 3612-79-1 Nicorandil Impurity 55|C4X-190755|3612-79-1 https://www.jk-sci.com/products/ts246cs-0084815 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128003.png?v=1791329493 3-Chloro-5-(trifluoromethoxy)benzoic acid, 98.00%+ | 433926-46-6 3-Chloro-5-(trifluoromethoxy)benzoic acid|CS-0084815|433926-46-6 https://www.jk-sci.com/products/s57c4x-190810 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271671f0faf9f441147ec63787c714f0.jpg?v=1791372966 Dopamine Impurity 10, 89.00% | 22568-47-4 Dopamine Impurity 10|C4X-190810|22568-47-4 https://www.jk-sci.com/products/ts246cs-0084819 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160926.png?v=1791329493 2-Bromo-5-(trifluoromethoxy)benzaldehyde, 95% | 505084-61-7 2-Bromo-5-(trifluoromethoxy)benzaldehyde|CS-0084819|505084-61-7 https://www.jk-sci.com/products/ts246cs-0084844 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377548.png?v=1791329479 4-Fluoro-3-(trifluoromethoxy)benzoic acid, 96.00%+ | 886496-49-7 4-Fluoro-3-(trifluoromethoxy)benzoic acid|CS-0084844|886496-49-7 https://www.jk-sci.com/products/s57c4x-190815 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159410.png?v=1791372966 Dopamine EP Impurity A, 98.60% | 3213-30-7 Dopamine EP Impurity A|C4X-190815|3213-30-7 https://www.jk-sci.com/products/s57c4x-19082 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458346.png?v=1791372955 Dopamine Impurity 2, 99.90% | 39816-35-8 Dopamine Impurity 2|C4X-19082|39816-35-8 https://www.jk-sci.com/products/s57c4x-190825 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59bbb903e564946f077de0131e207416.jpg?v=1791372948 Dopamine Impurity 25, 96.50% | 1124-39-6 Dopamine Impurity 25|C4X-190825|1124-39-6 https://www.jk-sci.com/products/s57c4x-190823 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595261_d9ca30b5-3285-4cbd-9c62-178ccdc7ae25.png?v=1791372952 Dopamine Impurity 23, 98.80% | 645-33-0 Dopamine Impurity 23|C4X-190823|645-33-0 https://www.jk-sci.com/products/s57c4x-190828 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137709.png?v=1791372942 Dopamine Impurity 28, 96.40% | 1484-85-1 Dopamine Impurity 28|C4X-190828|1484-85-1 https://www.jk-sci.com/products/ts246cs-0084883 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/913c2c060755966b382afa6c1334b6e3.jpg?v=1791329460 4-Fluoro-3-(trifluoromethoxy)phenol, 98% | 886501-26-4 4-Fluoro-3-(trifluoromethoxy)phenol|CS-0084883|886501-26-4 https://www.jk-sci.com/products/ts246cs-0084860 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4fad3d718f4f7a18dca1a8c915f374f.jpg?v=1791329474 (6-Bromo-3H-imidazo[4,5-b]pyridin-2-yl)methanol, 95% | 172648-19-0 (6-Bromo-3H-imidazo[4,5-b]pyridin-2-yl)methanol|CS-0084860|172648-19-0 https://www.jk-sci.com/products/j5315633 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fccaf1a91982d7b413abf30a00d9dc55.jpg?v=1791412718 Boc-(R)-3-amino-3-(2-methoxyphenyl)propionic acid, Purity by HPLC ≥ 98% | 500788-85-2 Boc-(R)-3-amino-3-(2-methoxyphenyl)propionic acid|15633|500788-85-2 https://www.jk-sci.com/products/s57c4x-190831 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529572.png?v=1791372939 Dopamine Impurity 31, 93.50% | 3213-28-3 Dopamine Impurity 31|C4X-190831|3213-28-3 https://www.jk-sci.com/products/j5315635 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e230758842e77da20265e699208b4d36.jpg?v=1791412714 Fmoc-(R)-3-amino-3-(2-methoxyphenyl)propionic acid, Purity by HPLC ≥ 99% | 511272-31-4 Fmoc-(R)-3-amino-3-(2-methoxyphenyl)propionic acid|15635|511272-31-4 https://www.jk-sci.com/products/j5315638 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b0eb333a26a16299da66b87df331bf2.jpg?v=1791412708 (S)-3-Amino-3-(3-methoxyphenyl)propionic acid | 783300-35-6 (S)-3-Amino-3-(3-methoxyphenyl)propionic acid|15638|783300-35-6 https://www.jk-sci.com/products/ts246cs-0084982 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b719a4db32ce9d5c2b1dd2f8d432857.jpg?v=1791329432 Tris[4,4'-bis(t-butyl)-2,2'-bipyridine]ruthenium(II) hexafluorophosphate, 95.00%+ | 75777-87-6 Tris[4,4'-bis(t-butyl)-2,2'-bipyridine]ruthenium(II) hexafluorophosphate|CS-0084982|75777-87-6 https://www.jk-sci.com/products/s57c4x-190845 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9c976cbafc6c5ef7cdcb6c3910f70db.jpg?v=1791372935 Dopamine Impurity 45, 99.10% | 637-26-3 Dopamine Impurity 45|C4X-190845|637-26-3 https://www.jk-sci.com/products/ts246cs-0084904 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57fa89a477f3c5822efaa7b75b528a80.jpg?v=1791329449 6-Bromo-8-methylimidazo[1,2-a]pyridine, 98% | 217435-65-9 6-Bromo-8-methylimidazo[1,2-a]pyridine|CS-0084904|217435-65-9 https://www.jk-sci.com/products/s57c4x-190858 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e51eccfa2eec41e73255d33664848589.jpg?v=1791372928 Dopamine Impurity 58, 83.60% | 140165-60-2 Dopamine Impurity 58|C4X-190858|140165-60-2 https://www.jk-sci.com/products/ts246cs-0084987 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89963b385a1286d74974803319bdeb71.jpg?v=1791329431 Tris (2,2'-bipyrazine) ruthenium dihydrochloride, 98% | 80925-50-4 Tris (2,2'-bipyrazine) ruthenium dihydrochloride|CS-0084987|80925-50-4 https://www.jk-sci.com/products/ts246cs-0085146 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593e78139c429d7943ea771e57327c88.jpg?v=1791329394 Benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione, 98.95%+ | 62208-68-8 Benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione|CS-0085146|62208-68-8 https://www.jk-sci.com/products/s57c4x-190873 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd756807-5bb2-468e-90b0-4cdd8770f24a.png?v=1791372923 Dopamine Impurity 73, 93.40% Dopamine Impurity 73|C4X-190873 https://www.jk-sci.com/products/ts246cs-0085178 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1985636931fe645ed6ad47298069d5a6.jpg?v=1791329372 Ethyl 5-bromopyrimidine-4-carboxylate, 95% | 64224-59-5 Ethyl 5-bromopyrimidine-4-carboxylate|CS-0085178|64224-59-5 https://www.jk-sci.com/products/s57c4x-190875 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6394205f5cca6cac1e48b8bb4ebd4c36.jpg?v=1791372919 Dopamine Impurity 75, 95.00% | 32602-66-7 Dopamine Impurity 75|C4X-190875|32602-66-7 https://www.jk-sci.com/products/s57c4x-19091 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225494_20913da0-ac58-408a-958f-fb6691acb6f8.png?v=1791372897 Sulfamethoxazole EP Impurity A, 97.20% | 21312-10-7 Sulfamethoxazole EP Impurity A|C4X-19091|21312-10-7 https://www.jk-sci.com/products/s57c4x-19088 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352111.png?v=1791372901 Dopamine EP Impurity C, 96.00% | 120-20-7 Dopamine EP Impurity C|C4X-19088|120-20-7 https://www.jk-sci.com/products/s57c4x-19096 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf214b8fa38e29f4b2d8880ee39a53e7.jpg?v=1791372892 Sulfamethoxazole EP Impurity F, 98.00% | 17103-52-5 Sulfamethoxazole EP Impurity F|C4X-19096|17103-52-5 https://www.jk-sci.com/products/s57c4x-191122 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fb1a3d23-f9da-43c7-881d-2969842ca262.png?v=1791372891 Cabe Palace Suya Inkstone I TFA, Purity: 98.6% Cabe Palace Suya Inkstone I TFA|C4X-191122 https://www.jk-sci.com/products/s57c4x-1911 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6285c34331e796c7df2c4d0512de0d06.jpg?v=1791372888 Carbetocin, 96.70% | 37025-55-1 Carbetocin|C4X-1911|37025-55-1 https://www.jk-sci.com/products/s57c4x-191128 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_61115a28-705e-49b9-b310-de3623147919.png?v=1791372882 [D-Asn5]-Carbetocin TFA, Purity: 99.6% [D-Asn5]-Carbetocin TFA|C4X-191128 https://www.jk-sci.com/products/ts246cs-0085182 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2127ae98887bdb99bf0cce540ecfe97.jpg?v=1791329372 4-Bromo-3,5-dichloroaniline, 95% | 1940-29-0 4-Bromo-3,5-dichloroaniline|CS-0085182|1940-29-0 https://www.jk-sci.com/products/s57c4x-191131 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d690b90-1850-4659-beaa-d8241a86c9a4.png?v=1791372876 des-GIn-Carbetocin, 93.50% des-GIn-Carbetocin|C4X-191131 https://www.jk-sci.com/products/s57c4x-19115 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7ec0c1a-5084-49be-830e-a497d342e172.png?v=1791372877 Carbetocin Impurity 5, 95.30% Carbetocin Impurity 5|C4X-19115 https://www.jk-sci.com/products/ts246cs-0085213 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254235.png?v=1791329346 (S)-(+)-1-[(R)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldicyclohexylphosphine, 95% | 158923-07-0 (S)-(+)-1-[(R)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldicyclohexylphosphine|CS-0085213|158923-07-0 https://www.jk-sci.com/products/ts246cs-0085195 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eafb8666945fc4473cd72f67074a8c9.jpg?v=1791329361 8-Fluoroquinoline-2-carboxaldehyde, 97% | 904369-10-4 8-Fluoroquinoline-2-carboxaldehyde|CS-0085195|904369-10-4 https://www.jk-sci.com/products/ts246cs-0085224 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790272.png?v=1791329335 (S)-(+)-(3,5-Dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)piperidine, 97% | 284472-79-3 (S)-(+)-(3,5-Dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)piperidine|CS-0085224|284472-79-3 https://www.jk-sci.com/products/s57c4x-1912 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69e66e087eb15f587314bab4e123be60.jpg?v=1791372871 Articaine Hydrochloride, 99.10% | 23964-57-0 Articaine Hydrochloride|C4X-1912|23964-57-0 https://www.jk-sci.com/products/s57c4x-19122 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_20442430-db54-4aa1-90ff-1cda72defb16.png?v=1791372854 Articaine EP Impurity A HCl, 92.40% Articaine EP Impurity A HCl|C4X-19122 https://www.jk-sci.com/products/ts246cs-0080413 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258936.png?v=1791330416 2-Chloro-1-iodo-4-methylbenzene, 98% | 116632-42-9 2-Chloro-1-iodo-4-methylbenzene|CS-0080413|116632-42-9 https://www.jk-sci.com/products/s57c4x-191215 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_add4582c-0f6b-46d5-96fc-29434db1e5d3.png?v=1791372864 N-Nitroso Articaine, 98.60% N-Nitroso Articaine|C4X-191215 https://www.jk-sci.com/products/ts246cs-0076798 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d75cea28568abc136d9587c0f12eaf4a.jpg?v=1791330891 3-(3-Methylthiophen-2-yl)propanoic acid, 98% | 25468-85-3 3-(3-Methylthiophen-2-yl)propanoic acid|CS-0076798|25468-85-3 https://www.jk-sci.com/products/s57c4x-191210 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a396f67249d4d454556001fd551cb1eb.jpg?v=1791372863 Articaine EP Impurity G, 99.50% | 23964-59-2 Articaine EP Impurity G|C4X-191210|23964-59-2 https://www.jk-sci.com/products/s57c4x-191224 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/401326.png?v=1791372855 Articaine impurity 24, 99.50% | 7400-45-5 Articaine impurity 24|C4X-191224|7400-45-5 https://www.jk-sci.com/products/ts246cs-0080872 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43307db9ef4b1f5dd3517acd4fe2e012.jpg?v=1791330245 Dibromo(1,5-cyclooctadiene)palladium(II), 98% | 12145-47-0 Dibromo(1,5-cyclooctadiene)palladium(II)|CS-0080872|12145-47-0 https://www.jk-sci.com/products/ts246cs-0081168 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201914.png?v=1791330148 (E)-3-(3-(Trifluoromethoxy)phenyl)acrylic acid, 98% | 175675-63-5 (E)-3-(3-(Trifluoromethoxy)phenyl)acrylic acid|CS-0081168|175675-63-5 https://www.jk-sci.com/products/s57c4x-19125 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d46064f0-8128-425c-ad87-b371cf8f6793.png?v=1791372844 Articaine EP Impurity D, 96.60% Articaine EP Impurity D|C4X-19125 https://www.jk-sci.com/products/s57c4x-191330 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1581a85355615614a1ad7b8ef12ac67a.jpg?v=1791372823 Rasagiline Impurity 30 HCl, 98.90% | 2733311-45-8 Rasagiline Impurity 30 HCl|C4X-191330|2733311-45-8 https://www.jk-sci.com/products/ts246cs-0083214 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc2332b333acd1109b2553a6edad5683.jpg?v=1791329845 2-Amino-6-chloro-5-fluoro-3-pyridinecarbonitrile, 98% | 1820711-14-5 2-Amino-6-chloro-5-fluoro-3-pyridinecarbonitrile|CS-0083214|1820711-14-5 https://www.jk-sci.com/products/ts246cs-0082103 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc39be2ce0781c451f8440d57a34ee8.jpg?v=1791330025 RuCl2[(S)-(DM-SEGPHOS?)][(S,S)-DPEN], 97% | 944450-46-8 RuCl2[(S)-(DM-SEGPHOS?)][(S,S)-DPEN]|CS-0082103|944450-46-8 https://www.jk-sci.com/products/ts246cs-0083877 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07450e64b03063d3eebf539047d00b6f.jpg?v=1791329771 (3aR,5S)-5-Methyl-3a,4,5,7-tetrahydro-3H-pyrano[3,4-c]isoxazole, 96% | 1613393-51-3 (3aR,5S)-5-Methyl-3a,4,5,7-tetrahydro-3H-pyrano[3,4-c]isoxazole|CS-0083877|1613393-51-3 https://www.jk-sci.com/products/s57c4x-191324 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529649.png?v=1791372824 (S)-Rasagiline, 96.10% | 185517-74-2 (S)-Rasagiline|C4X-191324|185517-74-2 https://www.jk-sci.com/products/ts246cs-0082374 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277ee7f8f295ca162fe2e56d23337d5e.jpg?v=1791329954 2-Methoxy-5-methylnicotinic acid, 96% | 1227594-72-0 2-Methoxy-5-methylnicotinic acid|CS-0082374|1227594-72-0 https://www.jk-sci.com/products/s57c4x-191348 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495302_078e25fc-b923-467c-9c03-91ef9ebddb83.png?v=1791372814 Rasagiline Impurity 48, 98.30% | 7223-50-9 Rasagiline Impurity 48|C4X-191348|7223-50-9 https://www.jk-sci.com/products/ts246cs-0083677 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1469985cfcb2a99d8c55f906ca4b4f8.jpg?v=1791329798 Ammonium tetrachloroplatinate(II), Pt 52% | 13820-41-2 Ammonium tetrachloroplatinate(II)|CS-0083677|13820-41-2 https://www.jk-sci.com/products/s57c4x-19127 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e0fe8b52-691b-4213-8cba-1feeada41843.png?v=1791372840 Articaine EP Impurity F HCl, 95.40% Articaine EP Impurity F HCl|C4X-19127 https://www.jk-sci.com/products/s57c4x-19174 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4a1127d9dab1887c4e5b7dd0c15f29f.jpg?v=1791372789 Fulvestrant EP Impurity D, 92.30% | 2483797-59-5 Fulvestrant EP Impurity D|C4X-19174|2483797-59-5 https://www.jk-sci.com/products/s57c4x-19161 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e725b6da9313c7796d33ce6032466182.jpg?v=1791372809 Selegiline EP Impurity D HCl, 98.90% | 115586-38-4 Selegiline EP Impurity D HCl|C4X-19161|115586-38-4 https://www.jk-sci.com/products/s57c4x-19167 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_48ac9e1e-a702-44eb-a641-05041bce9d52.png?v=1791372803 Selegiline Impurity 7, Purity: 100.0% Selegiline Impurity 7|C4X-19167 https://www.jk-sci.com/products/s57c4x-191313 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/747665da061642242ca1361b8583c812.jpg?v=1791372834 Rasagiline Impurity 13 HCl, 98.80% | 1175018-75-3 Rasagiline Impurity 13 HCl|C4X-191313|1175018-75-3 https://www.jk-sci.com/products/j5315662 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784a265652522e327887a4b0a20d9457.jpg?v=1791412675 (R)-3-Amino-3-(2,4-dichlorophenyl)propionic acid, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 98% | 778571-53-2 (R)-3-Amino-3-(2,4-dichlorophenyl)propionic acid|15662|778571-53-2 https://www.jk-sci.com/products/s57c4x-19165 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63a507cb-805a-41c1-b8ab-0c8343a746a1.png?v=1791372801 Selegiline Impurity 5, 98.20% Selegiline Impurity 5|C4X-19165 https://www.jk-sci.com/products/s57c4x-191319 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3628c466-5a4a-4ead-ba22-d2544602ebba.png?v=1791372830 Rasagiline Impurity 19, 88.50% Rasagiline Impurity 19|C4X-191319 https://www.jk-sci.com/products/s57c4x-19191 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a3815a4a-ba82-40ac-956a-bc4c5837a163.png?v=1791372789 Methylprednisolone Impurity 1, 99.00% Methylprednisolone Impurity 1|C4X-19191 https://www.jk-sci.com/products/s57c4x-191371 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2723981a-3091-410a-b7aa-d92e06d640c6.png?v=1791372812 Rasagiline Impurity 71, Purity: 99.8% Rasagiline Impurity 71|C4X-191371 https://www.jk-sci.com/products/j5315644 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07eabc9c97cc347e65a7357fac39c484.jpg?v=1791412698 Boc-(S)-3-amino-3-(4-methoxyphenyl)propionic acid, Purity by HPLC ≥ 99% | 159990-12-2 Boc-(S)-3-amino-3-(4-methoxyphenyl)propionic acid|15644|159990-12-2 https://www.jk-sci.com/products/j5315655 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/053a5fbabbb6d9db7d3b1298898936c6.jpg?v=1791412686 Boc-(R)-3-amino-3-(3-hydroxyphenyl)propionic acid, Purity by HPLC ≥ 98% | 329013-12-9 Boc-(R)-3-amino-3-(3-hydroxyphenyl)propionic acid|15655|329013-12-9 https://www.jk-sci.com/products/s57c4x-1917 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258323.png?v=1791372797 Fulvestrant, 99.80% | 129453-61-8 Fulvestrant|C4X-1917|129453-61-8 https://www.jk-sci.com/products/s57c4x-191343 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd4c6f20-a197-4fbe-bfad-7bc497ad3efa.png?v=1791372818 Rasagiline Impurity 43, 98.70% Rasagiline Impurity 43|C4X-191343 https://www.jk-sci.com/products/ts246cs-0082796 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_11dc5bf2-168a-458e-a276-7892108c9e81.png?v=1791329888 4,4'-Bis(t-butyl-2,2'-bipyridine]bis[5-methyl-2-(4-methyl-2-pyridinyl-kN)phenyl-kC]iridium hexafluorophosphate, 98% | 1607469-49-7 4,4'-Bis(t-butyl-2,2'-bipyridine]bis[5-methyl-2-(4-methyl-2-pyridinyl-kN)phenyl-kC]iridium hexafluorophosphate|CS-0082796|1607469-49-7 https://www.jk-sci.com/products/s57c4x-19129 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d10d3f2df45e74d5093d7f1cd24ac85.jpg?v=1791372839 Articaine EP Impurity J, 99.80% | 1160919-46-9 Articaine EP Impurity J|C4X-19129|1160919-46-9 https://www.jk-sci.com/products/s57c4x-191913 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614726.png?v=1791372784 Prednisolone Acetate EP Impurity D, 97.70% | 20423-99-8 Prednisolone Acetate EP Impurity D|C4X-191913|20423-99-8 https://www.jk-sci.com/products/s57c4x-191936 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddf4f1def80d6808931d30a6d25a48f7.jpg?v=1791372767 Methylprednisolone EP Impurity G, 98.50% | 93269-35-3 Methylprednisolone EP Impurity G|C4X-191936|93269-35-3 https://www.jk-sci.com/products/s57c4x-191933 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a07453a6cdb18f21191234e70b72a803.jpg?v=1791372773 Methylprednisolone EP Impurity C, 99.20% | 61919-52-6 Methylprednisolone EP Impurity C|C4X-191933|61919-52-6 https://www.jk-sci.com/products/s57c4x-19192 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380156.png?v=1791372779 Methylprednisolone EP Impurity J, 99.40% | 53-36-1 Methylprednisolone EP Impurity J|C4X-19192|53-36-1 https://www.jk-sci.com/products/s57c4x-191941 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/022634987d393ea42373087c99ad7f81.jpg?v=1791372762 Methylprednisolone EP Impurity B, 97.10% | 58636-50-3 Methylprednisolone EP Impurity B|C4X-191941|58636-50-3 https://www.jk-sci.com/products/s57c4x-191931 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27dab8f12cab53f08c6582630a1a4b8b.jpg?v=1791372779 Methylprednisolone EP Impurity D, 94.90% | 1338549-02-2 Methylprednisolone EP Impurity D|C4X-191931|1338549-02-2 https://www.jk-sci.com/products/s57c4x-19196 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b49cc834-e1ab-472d-89d1-0da3db4b0cb1.png?v=1791372757 Methylprednisolone Succinate Dimer, 99.30% Methylprednisolone Succinate Dimer|C4X-19196 https://www.jk-sci.com/products/s57c4x-192022 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/334914.png?v=1791372746 Goserelin Acetate, 76.10% | 145781-92-6 Goserelin Acetate|C4X-192022|145781-92-6 https://www.jk-sci.com/products/s57c4x-192030 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_042640ea-be83-42b9-8399-fddd6bdd00f7.png?v=1791372739 Goserelin BP Impurity 8 Ditrifluoroacetate, 93.60% Goserelin BP Impurity 8 Ditrifluoroacetate|C4X-192030 https://www.jk-sci.com/products/j5315671 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0b3e6a1da337e5fbcfebd472c8f707f.jpg?v=1791412665 Boc-(S)-3-amino-3-(2,3-dichlorophenyl)propionic acid, Purity by HPLC ≥ 99% | 499995-82-3 Boc-(S)-3-amino-3-(2,3-dichlorophenyl)propionic acid|15671|499995-82-3 https://www.jk-sci.com/products/s57c4x-192015 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eda42cb3-973f-4082-bf1d-9dfed8e21edf.png?v=1791372751 Goserelin EP Impurity K Acetate, 90.10% Goserelin EP Impurity K Acetate|C4X-192015 https://www.jk-sci.com/products/s57c4x-191958 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb1e0b7bf11b6f66a6268de3832b991a.jpg?v=1791372761 Methylprednisolone 17-Propionate, Purity: 98.8% | 79512-61-1 Methylprednisolone 17-Propionate|C4X-191958|79512-61-1 https://www.jk-sci.com/products/ts246cs-0083980 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2680c07138c3cc8b2bbf80991f6dcb29.jpg?v=1791329739 5-(Pyrazin-2-yl)oxazole-4-carboxylic acid, 98% | 1083401-49-3 5-(Pyrazin-2-yl)oxazole-4-carboxylic acid|CS-0083980|1083401-49-3 https://www.jk-sci.com/products/s57c4x-191967 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a560c85ebf74aaaf05703dac8fee8c61.jpg?v=1791372751 17-Hydroxy-Methylprednisolone Impurity E Derivative, Purity: 98.1% | 167997-11-7 17-Hydroxy-Methylprednisolone Impurity E Derivative|C4X-191967|167997-11-7 https://www.jk-sci.com/products/s57c4x-192033 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd1f38f5-8255-4205-8dd4-e4da6a2ef080.png?v=1791372739 Goserelin BP Impurity 3 Acetate, 90.70% Goserelin BP Impurity 3 Acetate|C4X-192033 https://www.jk-sci.com/products/ts246cs-0084292 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568538.png?v=1791329675 3-Fluoro-4-(trifluoromethoxy)benzoic acid, 98.34%+ | 886498-89-1 3-Fluoro-4-(trifluoromethoxy)benzoic acid|CS-0084292|886498-89-1 https://www.jk-sci.com/products/ts246cs-0084386 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124365_29fc67fc-8333-44df-82ba-bbd0c136efc8.png?v=1791329618 3-Bromo-2-methylimidazo[1,2-a]pyridine, 98% | 4805-70-3 3-Bromo-2-methylimidazo[1,2-a]pyridine|CS-0084386|4805-70-3 https://www.jk-sci.com/products/ts246cs-0084129 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312505.png?v=1791329706 2-Propoxybenzaldehyde, 98% | 7091-12-5 2-Propoxybenzaldehyde|CS-0084129|7091-12-5 https://www.jk-sci.com/products/ts246cs-0084332 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53b7ec526f4ffbb0da75c4e7863be075.jpg?v=1791329640 4-Bromo-3-(trifluoromethoxy)phenol, 98% | 886499-93-0 4-Bromo-3-(trifluoromethoxy)phenol|CS-0084332|886499-93-0 https://www.jk-sci.com/products/j5315695 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2615c03b5c544fc301eb39492f7d05d1.jpg?v=1791412652 Boc-(R)-3-amino-3-(2-thienyl)propionic acid, Purity by HPLC ≥ 98% | 500788-98-7 Boc-(R)-3-amino-3-(2-thienyl)propionic acid|15695|500788-98-7 https://www.jk-sci.com/products/j5315704 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387518077dc93edd7ee134874d5e6042.jpg?v=1791412643 Fmoc-(S)-3-amino-3-(3-thienyl)propionic acid, Purity by HPLC ≥ 99% | 507472-09-5 Fmoc-(S)-3-amino-3-(3-thienyl)propionic acid|15704|507472-09-5 https://www.jk-sci.com/products/ts246cs-0084550 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ede77262-3268-451c-8748-aea98f034a59.png?v=1791329574 [1,3-Bis(2,6-di-i-propylphenyl)imidazolidin-2-ylidene)(tricyclohexylphosphine)-(2-oxobenzylidene)ruthenium(II), 95% | 1544328-59-7 [1,3-Bis(2,6-di-i-propylphenyl)imidazolidin-2-ylidene)(tricyclohexylphosphine)-(2-oxobenzylidene)ruthenium(II)|CS-0084550|1544328-59-7 https://www.jk-sci.com/products/ts246cs-0084596 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4ea3e9594f30fc36d417a3f7f6630d0.jpg?v=1791329552 (R)-2-(9-(Pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl)acetonitrile, 98% | 1401031-38-6 (R)-2-(9-(Pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl)acetonitrile|CS-0084596|1401031-38-6 https://www.jk-sci.com/products/j5315713 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fcf3351094f4c33497ddb2f440a5d79.jpg?v=1791412633 Boc-(S)-3-amino-3-(2-naphthyl)propionic acid, Purity by HPLC ≥ 99% | 500770-69-4 Boc-(S)-3-amino-3-(2-naphthyl)propionic acid|15713|500770-69-4 https://www.jk-sci.com/products/j5315720 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19275999179db5b3cb085274c7ec0a86.jpg?v=1791412628 Fmoc-(S)-3-amino-3-(2-furyl)propionic acid, Purity by HPLC ≥ 98% | 1217741-88-2 Fmoc-(S)-3-amino-3-(2-furyl)propionic acid|15720|1217741-88-2 https://www.jk-sci.com/products/ts246cs-0084723 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d3a50eebe077cbb52c8d1a29bcc759d.jpg?v=1791329525 Imidazo[1,2-a]pyridin-5-ylmethanol, 98.00%+ | 167884-17-5 Imidazo[1,2-a]pyridin-5-ylmethanol|CS-0084723|167884-17-5 https://www.jk-sci.com/products/ts246cs-0085030 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29df5963da72dcdeac048a626220af5d.jpg?v=1791329427 Dimethylammonium dichlorotri(μ-chloro)bis{(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}diruthenate(II), 97% | 944451-14-3 Dimethylammonium dichlorotri(μ-chloro)bis{(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}diruthenate(II)|CS-0085030|944451-14-3 https://www.jk-sci.com/products/j5315728 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6780a91de6dca04394ad3fd46c3b7426.jpg?v=1791412610 Boc-L-b-homoasparagine, Assay ≥ 99% | 336182-03-7 Boc-L-b-homoasparagine|15728|336182-03-7 https://www.jk-sci.com/products/j5315733 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2d7d15d0eb6a4247112c67ec9465db4.jpg?v=1791412605 D-1,2,3,4-Tetrahydronorharman-3-carboxylic acid, Purity by HPLC ≥ 98% | 72002-54-1 D-1,2,3,4-Tetrahydronorharman-3-carboxylic acid|15733|72002-54-1 https://www.jk-sci.com/products/ts246cs-0085205 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791863.png?v=1791329352 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis(di-2-furylphosphine), 97% | 145214-59-1 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis(di-2-furylphosphine)|CS-0085205|145214-59-1 https://www.jk-sci.com/products/ts246cs-0084919 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9a2fd7153c4eee60de78e2c8e910b7e.jpg?v=1791329443 2-Thioxo-5-(4-(trifluoromethyl)benzyl)thiazolidin-4-one, 98% | 905267-14-3 2-Thioxo-5-(4-(trifluoromethyl)benzyl)thiazolidin-4-one|CS-0084919|905267-14-3 https://www.jk-sci.com/products/ts246cs-0084842 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ed1f7b32fdc6ecb61a4a51d7352f5fd.jpg?v=1791329482 6-Methyl-3,4-dihydroisoquinolin-1(2H)-one, 98% | 1082041-78-8 6-Methyl-3,4-dihydroisoquinolin-1(2H)-one|CS-0084842|1082041-78-8 https://www.jk-sci.com/products/j5315723 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56ec556f2181d664966b4df87cb88405.jpg?v=1791412615 Fmoc-L-2-amino-5-phenylpentanoic acid, Purity by HPLC ≥ 98% | 959578-11-1 Fmoc-L-2-amino-5-phenylpentanoic acid|15723|959578-11-1 https://www.jk-sci.com/products/ts246cs-0084801 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274695.png?v=1791329498 2-Methyl-1-(4-(trifluoromethoxy)phenyl)propan-1-one, 98% | 56425-84-4 2-Methyl-1-(4-(trifluoromethoxy)phenyl)propan-1-one|CS-0084801|56425-84-4 https://www.jk-sci.com/products/ts246cs-0084879 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534d39fd95669353884d5582f74a59a3.jpg?v=1791329463 3-(4-Methyl-2,5-dioxoimidazolidin-4-yl)propanoic acid, 98% | 43189-50-0 3-(4-Methyl-2,5-dioxoimidazolidin-4-yl)propanoic acid|CS-0084879|43189-50-0 https://www.jk-sci.com/products/ts246cs-0085179 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7eaf0ac0791321868f2b02884104499a.jpg?v=1791329372 (R)-2,2'-Dimethoxy-1,1'-binaphthyl, 97% | 35294-28-1 (R)-2,2'-Dimethoxy-1,1'-binaphthyl|CS-0085179|35294-28-1 https://www.jk-sci.com/products/s57c4x-192035 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c583be57-925d-4744-a8c7-575fd417c696.png?v=1791372735 Goserelin BP Impurity 5 Acetate, 92.60% Goserelin BP Impurity 5 Acetate|C4X-192035 https://www.jk-sci.com/products/s57c4x-192039 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b908b7ef-a981-4235-86b9-577a614b3ce4.png?v=1791372729 Goserelin Impurity 39 Trifluoroacetic Acid, 93.50% Goserelin Impurity 39 Trifluoroacetic Acid|C4X-192039 https://www.jk-sci.com/products/ts246cs-0085266 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577730_34f74638-d7d8-48dc-9b0d-738beb32f2d5.png?v=1791329307 3,5-Dimethyl-4-nitroisoxazole, 97% | 1123-49-5 3,5-Dimethyl-4-nitroisoxazole|CS-0085266|1123-49-5 https://www.jk-sci.com/products/ts246cs-0085263 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dffbac72c92dd07958c7507964515a0.jpg?v=1791329313 3-(p-Tolyl)isoxazol-5-amine, 98% | 28883-91-2 3-(p-Tolyl)isoxazol-5-amine|CS-0085263|28883-91-2 https://www.jk-sci.com/products/s57c4x-192040 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6c18702-b296-459d-9f19-ab814740a4bf.png?v=1791372726 Goserelin Impurity 40 Trifluoroacetic Acid, 86.30% Goserelin Impurity 40 Trifluoroacetic Acid|C4X-192040 https://www.jk-sci.com/products/s57c4x-192044 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_90d04949-621c-4b01-a1b0-8604ac670ced.png?v=1791372722 Des-Pyr1-Goserelin Trifluoroacetate, 78.00% Des-Pyr1-Goserelin Trifluoroacetate|C4X-192044 https://www.jk-sci.com/products/ts246cs-0085229 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f2a763dda12c9822f5f7979bb003b1a.jpg?v=1791329331 7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one, 98% | 103361-99-5 7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0085229|103361-99-5 https://www.jk-sci.com/products/s57c4x-192042 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b1cb64ff-6982-45c8-a6ea-833f5e193f08.png?v=1791372722 Goserelin Impurity 42 TFA Salt, 81.10% Goserelin Impurity 42 TFA Salt|C4X-192042 https://www.jk-sci.com/products/ts246cs-0085286 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212ff4befa5a1e292a0f13c8d610ce43.jpg?v=1791329287 5-(4-Methoxyphenyl)isoxazole-3-carboxylic acid, 98% | 33282-16-5 5-(4-Methoxyphenyl)isoxazole-3-carboxylic acid|CS-0085286|33282-16-5 https://www.jk-sci.com/products/j5315736 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608ff1ed09c0f1999edaafb3e2b5b194.jpg?v=1791412600 L-a-(5-Bromothienyl)alanine, Purity by HPLC ≥ 99% | 154593-58-5 L-a-(5-Bromothienyl)alanine|15736|154593-58-5 https://www.jk-sci.com/products/ts246cs-0085338 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505317.png?v=1791329256 6-Bromo-3-methylbenzo[d]isoxazole, 98% | 66033-69-0 6-Bromo-3-methylbenzo[d]isoxazole|CS-0085338|66033-69-0 https://www.jk-sci.com/products/s57c4x-192046 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eff2a85f-f65e-4c9e-b4e2-e870ee61bdc1.png?v=1791372716 Goserelin EP Impurity L TFA, 86.70% Goserelin EP Impurity L TFA|C4X-192046 https://www.jk-sci.com/products/ts246cs-0085344 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602561.png?v=1791329252 1,3-Bis(2,6-diisopropylphenyl)-1H-imidazol-3-ium tetrafluoroborate, 97% | 286014-25-3 1,3-Bis(2,6-diisopropylphenyl)-1H-imidazol-3-ium tetrafluoroborate|CS-0085344|286014-25-3 https://www.jk-sci.com/products/ts246cs-0085350 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cd45dc07f2ecedd774a95cd5440f6c1.jpg?v=1791329243 5-Chloro-1H-indazol-3-amine, 98% | 5685-72-3 5-Chloro-1H-indazol-3-amine|CS-0085350|5685-72-3 https://www.jk-sci.com/products/j5315753 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e400b004a3022feb11729f2d783a8970.jpg?v=1791412585 Boc-(R)-a-(4-chlorobenzyl)proline, Purity by HPLC ≥ 99% | 959582-49-1 Boc-(R)-a-(4-chlorobenzyl)proline|15753|959582-49-1 https://www.jk-sci.com/products/j5315739 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95420220c081cdea760ccd2669cfb209.jpg?v=1791412595 (S)-3-Amino-3-(6-methoxy-3-pyridyl)propionic acid, Purity by HPLC ≥ 95% | 877119-70-5 (S)-3-Amino-3-(6-methoxy-3-pyridyl)propionic acid|15739|877119-70-5 https://www.jk-sci.com/products/j5315808 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f82ae1f1839109a63080b33fbe5594c.jpg?v=1791412575 Boc-(R)-a-(4-trifluoromethylbenzyl)proline, Purity by HPLC ≥ 99% | 957310-45-1 Boc-(R)-a-(4-trifluoromethylbenzyl)proline|15808|957310-45-1 https://www.jk-sci.com/products/j5315868 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8dcd3f3fcf13d75022587a5762c4d3d.jpg?v=1791412561 Boc-(R)-a-(2-furanylmethyl)proline, Purity by HPLC ≥ 99% | 959582-72-0 Boc-(R)-a-(2-furanylmethyl)proline|15868|959582-72-0 https://www.jk-sci.com/products/j5315762 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82066e85506d8ed53f01aa3df4ef5f3f.jpg?v=1791412581 Boc-(S)-a-phenethylproline, Purity by HPLC ≥ 98% | 959576-65-9 Boc-(S)-a-phenethylproline|15762|959576-65-9 https://www.jk-sci.com/products/j5315891 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eeb88cbb0e1b764eb78b8b214829e87.jpg?v=1791412550 (R)-g-Benzyl-L-proline·HCl | 1279049-67-0 (R)-g-Benzyl-L-proline·HCl|15891|1279049-67-0 https://www.jk-sci.com/products/j5315904 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e60bb8927c74686f3ec859798b3f29b.jpg?v=1791412537 Boc-(R)-g-(4-chlorobenzyl)-L-proline, Purity ≥ 98% | 959576-35-3 Boc-(R)-g-(4-chlorobenzyl)-L-proline|15904|959576-35-3 https://www.jk-sci.com/products/j5315928 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467cf8fc16bfdca9ccc7c5e95911982d.jpg?v=1791412527 Boc-(R)-g-(2,4-dichlorobenzyl)-L-proline, Purity by HPLC ≥ 98% | 959582-83-3 Boc-(R)-g-(2,4-dichlorobenzyl)-L-proline|15928|959582-83-3 https://www.jk-sci.com/products/ts246cs-0085357 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329275.png?v=1791329237 1,3-Bis(2,4,6-trimethylphenyl)imidazolium tetrafluoroborate, 99.78%+ | 286014-53-7 1,3-Bis(2,4,6-trimethylphenyl)imidazolium tetrafluoroborate|CS-0085357|286014-53-7 https://www.jk-sci.com/products/ts246cs-0085394 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282093.png?v=1791329227 2-(Phenylthio)isoindoline-1,3-dione, 98% | 14204-27-4 2-(Phenylthio)isoindoline-1,3-dione|CS-0085394|14204-27-4 https://www.jk-sci.com/products/ts246cs-0085416 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d034fd70c6adcfc0de91c06cf30c0961.jpg?v=1791329216 1'-Benzyl-3,7-diazaspiro[bicyclo[3.3.1]nonane-9,4'-piperidine]-2,4,6,8-tetraone, 98% | 1176981-06-8 1'-Benzyl-3,7-diazaspiro[bicyclo[3.3.1]nonane-9,4'-piperidine]-2,4,6,8-tetraone|CS-0085416|1176981-06-8 https://www.jk-sci.com/products/ts246cs-0085566 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dd705445028713ce6dee82d7d759cca.jpg?v=1791329185 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile, 95% | 1612174-34-1 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile|CS-0085566|1612174-34-1 https://www.jk-sci.com/products/ts246cs-0085609 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0f12d36dc629bd85c451efbd07a676f.jpg?v=1791329170 3-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butanenitrile, 95% | 1233526-43-6 3-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butanenitrile|CS-0085609|1233526-43-6 https://www.jk-sci.com/products/ts246cs-0085628 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_595d535b-18b1-4a62-ac6c-68ea4d2e6b9b.png?v=1791329161 Chloroiridic acid,Ir 35% in HCl, Ir 35% in HCl | 16941-92-7 Chloroiridic acid,Ir 35% in HCl|CS-0085628|16941-92-7 https://www.jk-sci.com/products/j5312564 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff74f5850fcfd5e55e855adb0c15df9d.jpg?v=1791414309 4-Benzyloxybenzyl alcohol resin (0.4 - 1.0 mmol/g, 50 - 100 mesh), Mesh Size 50-100 mesh (Microscope method) || Substitution (meq/g) 0.4-1.0 meq/g | 201058-08-4 4-Benzyloxybenzyl alcohol resin (0.4 - 1.0 mmol/g, 50 - 100 mesh)|12564|201058-08-4 https://www.jk-sci.com/products/s57c4x-19231 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244122.png?v=1791372706 Tetracaine EP Impurity A, 99.90% | 150-13-0 Tetracaine EP Impurity A|C4X-19231|150-13-0 https://www.jk-sci.com/products/s57c4x-19212 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462924.png?v=1791372712 Testosterone EP Impurity E, Purity: 99.8% | 1045-69-8 Testosterone EP Impurity E|C4X-19212|1045-69-8 https://www.jk-sci.com/products/s57c4x-19223 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279605.png?v=1791372709 Estazolam Impurity 3, 99.30% | 10352-28-0 Estazolam Impurity 3|C4X-19223|10352-28-0 https://www.jk-sci.com/products/s57c4x-192313 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411832.png?v=1791372702 Tetracaine Impurity 13, 99.60% | 99-77-4 Tetracaine Impurity 13|C4X-192313|99-77-4 https://www.jk-sci.com/products/ts246cs-0085697 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f5d309f537ea12f78edc23a710e57fe.jpg?v=1791329140 (S)-Pyrrolidin-2-yldi-p-tolylmethanol, 97% | 131180-52-4 (S)-Pyrrolidin-2-yldi-p-tolylmethanol|CS-0085697|131180-52-4 https://www.jk-sci.com/products/ts246cs-0085637 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4f027d554c94a829cca8787120380b2.jpg?v=1791329160 2-Amino-N-(2-(dimethylamino)ethyl)-2-methylpropanamide dihydrochloride, 97% | 1219957-57-9 2-Amino-N-(2-(dimethylamino)ethyl)-2-methylpropanamide dihydrochloride|CS-0085637|1219957-57-9 https://www.jk-sci.com/products/s57c4x-192319 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_263d0d44-1d67-485d-ae78-3f16a79a5076.png?v=1791372696 N-Nitroso Tetracaine, 98.40% N-Nitroso Tetracaine|C4X-192319 https://www.jk-sci.com/products/s57c4x-192320 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4290b27e7e4704284adc171e6d884386.jpg?v=1791372692 Tetracaine impurity 20, 96.90% | 1152620-27-3 Tetracaine impurity 20|C4X-192320|1152620-27-3 https://www.jk-sci.com/products/s57c4x-192322 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57482dd27d05a2de4e890f228f1eae85.jpg?v=1791372687 Tetracaine Impurity 22, 78.30% | 794457-79-7 Tetracaine Impurity 22|C4X-192322|794457-79-7 https://www.jk-sci.com/products/ts246cs-0085709 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381574.png?v=1791329125 (S)-2-Amino-1,1,3-triphenylpropan-1-ol, 98% | 79868-78-3 (S)-2-Amino-1,1,3-triphenylpropan-1-ol|CS-0085709|79868-78-3 https://www.jk-sci.com/products/s57c4x-19233 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b40a3a4399a24611ca61c5dccf00b9ec.jpg?v=1791372681 Tetracaine EP Impurity C, 98.30% | 71839-12-8 Tetracaine EP Impurity C|C4X-19233|71839-12-8 https://www.jk-sci.com/products/s57c4x-19241 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/509107.png?v=1791372668 Urapidil Impurity 1, 93.20% | 34654-80-3 Urapidil Impurity 1|C4X-19241|34654-80-3 https://www.jk-sci.com/products/s57c4x-19235 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536224.png?v=1791372678 Tetracaine Impurity 5, 99.60% | 94-32-6 Tetracaine Impurity 5|C4X-19235|94-32-6 https://www.jk-sci.com/products/s57c4x-19237 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261df799f99fe3d295d9b12e2884cad3.jpg?v=1791372673 Tetracaine Impurity 7, 98.90% | 10012-47-2 Tetracaine Impurity 7|C4X-19237|10012-47-2 https://www.jk-sci.com/products/j5314304 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c87697b9ecfba97b99bf11ac0909d13.jpg?v=1791413801 L-2-Naphthylalanine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 63024-26-0 L-2-Naphthylalanine methyl ester hydrochloride|14304|63024-26-0 https://www.jk-sci.com/products/ts246cs-0085732 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505762_e758d5fc-de52-4106-85e8-51621ddaa3fc.png?v=1791329111 2,6-Bis(pyridin-2-yl)-4-pyridone, 96.68%+ | 128143-88-4 2,6-Bis(pyridin-2-yl)-4-pyridone|CS-0085732|128143-88-4 https://www.jk-sci.com/products/ts246cs-0085716 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e15b8c36de3f3105b7bd30058de97e9.jpg?v=1791329115 (E)-1-Fluoro-3-(2-nitrovinyl)benzene, 97% | 1979-49-3 (E)-1-Fluoro-3-(2-nitrovinyl)benzene|CS-0085716|1979-49-3 https://www.jk-sci.com/products/j5314786 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/985b8f44649dcb8a35118c52ae5755d1.jpg?v=1791413571 Boc-b-iodo-Ala-OMe, Purity by HPLC ≥ 98% | 93267-04-0 Boc-b-iodo-Ala-OMe|14786|93267-04-0 https://www.jk-sci.com/products/j5315044 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d42a379907bc71057908ad1801250c9e.jpg?v=1791413434 Fmoc-3-pyrenyl-L-alanine, Purity by HPLC ≥ 99% | 183071-07-0 Fmoc-3-pyrenyl-L-alanine|15044|183071-07-0 https://www.jk-sci.com/products/j5315097 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abd09225be5b9af77e714a3a175795b4.jpg?v=1791413340 Boc-3-bromo-D-phenylalanine, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 98% | 261360-77-4 Boc-3-bromo-D-phenylalanine|15097|261360-77-4 https://www.jk-sci.com/products/j5315158 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/928bfbcf4b52388c7cd5bdbbacaa468e.jpg?v=1791413252 Boc-N-methyl-DL-phenylglycine, Purity by HPLC ≥ 99% | 30925-08-7 Boc-N-methyl-DL-phenylglycine|15158|30925-08-7 https://www.jk-sci.com/products/j5315333 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea44bc9bffd12368442bcdfdacb17b33.jpg?v=1791413057 4-Bromo-L-b-homophenylalanine hydrochloride, Purity ≥ 98% (NMR) | 270062-84-5 4-Bromo-L-b-homophenylalanine hydrochloride|15333|270062-84-5 https://www.jk-sci.com/products/ts246cs-0085783 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120820.png?v=1791329085 (1,5-Cyclooctadiene)dimethylplatinum(II), 98% | 12266-92-1 (1,5-Cyclooctadiene)dimethylplatinum(II)|CS-0085783|12266-92-1 https://www.jk-sci.com/products/ts246cs-0085797 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354262.png?v=1791329075 5-Methyl-2-phenylpyridine, 98% | 27012-22-2 5-Methyl-2-phenylpyridine|CS-0085797|27012-22-2 https://www.jk-sci.com/products/s57c4x-192415 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367102.png?v=1791372663 Urapidil, 100.00% | 34661-75-1 Urapidil|C4X-192415|34661-75-1 https://www.jk-sci.com/products/ts246cs-0085881 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790271.png?v=1791329058 (11bS)?-N,?N-Diethyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 96% | 252288-04-3 (11bS)?-N,?N-Diethyl-dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0085881|252288-04-3 https://www.jk-sci.com/products/j5315242 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c1a5eb5fa88340ba41de518e317d931.jpg?v=1791413171 Boc-4-chloro-D-b-homophenylalanine, Purity ≥ 98% | 218608-96-9 Boc-4-chloro-D-b-homophenylalanine|15242|218608-96-9 https://www.jk-sci.com/products/j5315295 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c58cc3605b800c3ef0357a86513959e.jpg?v=1791413109 Fmoc-3-methyl-D-b-homophenylalanine, Purity ≥ 99% | 269398-84-7 Fmoc-3-methyl-D-b-homophenylalanine|15295|269398-84-7 https://www.jk-sci.com/products/ts246cs-0085959 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_560f2acc-60c4-4774-ad30-2d4b339481af.png?v=1791329042 (1,5-Cyclooctadiene)(hexafluoroacetylacetonato)iridium(I), 98% | 34801-95-1 (1,5-Cyclooctadiene)(hexafluoroacetylacetonato)iridium(I)|CS-0085959|34801-95-1 https://www.jk-sci.com/products/ts246cs-0086017 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351323.png?v=1791329026 cis-Pt(PEt3)2(Cl)2, 95% | 15692-07-6 cis-Pt(PEt3)2(Cl)2|CS-0086017|15692-07-6 https://www.jk-sci.com/products/j5315359 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff8bd790893bed2ad6ed0ece732e9ab.jpg?v=1791413028 2,4-Dichloro-L-b-homophenylalanine hydrochloride, Assay ≥ 98% | 270063-47-3 2,4-Dichloro-L-b-homophenylalanine hydrochloride|15359|270063-47-3 https://www.jk-sci.com/products/j5315381 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2cf1aae3f1b4110e1ed7f9fa338c873a.jpg?v=1791413004 4-Trifluoromethyl-L-b-homophenylalanine hydrochloride, Purity by HPLC ≥ 98% | 270065-79-7 4-Trifluoromethyl-L-b-homophenylalanine hydrochloride|15381|270065-79-7 https://www.jk-sci.com/products/j5315404 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de070c19ce8c9ded73bcb14738fda076.jpg?v=1791412977 Fmoc-(2-furyl)-L-b-homoalanine, Purity by HPLC ≥ 98% | 270263-07-5 Fmoc-(2-furyl)-L-b-homoalanine|15404|270263-07-5 https://www.jk-sci.com/products/ts246cs-0086027 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494486.png?v=1791329012 (2S,4S)-2,4-Bis(diphenylphosphino)pentane, 97% | 77876-39-2 (2S,4S)-2,4-Bis(diphenylphosphino)pentane|CS-0086027|77876-39-2 https://www.jk-sci.com/products/s57c4x-192420 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_080795d0-a0b9-4ddf-a2ab-b92f010784bf.png?v=1791372663 Urapidil Impurity 20, 97.50% Urapidil Impurity 20|C4X-192420 https://www.jk-sci.com/products/ts246cs-0086075 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e716d31051df3fe9dffabbb525332ae.jpg?v=1791328982 5-(4-Methoxycarbonylphenyl)-10,15,20-triphenylporphyrin, 95% | 119730-06-2 5-(4-Methoxycarbonylphenyl)-10,15,20-triphenylporphyrin|CS-0086075|119730-06-2 https://www.jk-sci.com/products/j5315439 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c92914f820219b7eb4ae9a8f4e817e9.jpg?v=1791412930 Fmoc-(R)-3-amino-3-(3-nitrophenyl)propionic acid, Purity by HPLC ≥ 99% | 374791-04-5 Fmoc-(R)-3-amino-3-(3-nitrophenyl)propionic acid|15439|374791-04-5 https://www.jk-sci.com/products/j5315421 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecc7ec066348eff01ec1c589246e84cc.jpg?v=1791412955 Boc-L-b-homopropargylglycine, Assay ≥ 97% | 270596-47-9 Boc-L-b-homopropargylglycine|15421|270596-47-9 https://www.jk-sci.com/products/ts246cs-0086364 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45797127b874cfdb6bc610e723b6d873.jpg?v=1791328947 (R)-3,3'-Di-9-anthracenyl-1,1'-bi-2-naphthol, 97% | 361342-49-6 (R)-3,3'-Di-9-anthracenyl-1,1'-bi-2-naphthol|CS-0086364|361342-49-6 https://www.jk-sci.com/products/j5315472 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271b568b243d95dff3af74a360e32ee1.jpg?v=1791412896 Boc-(R)-a-benzylproline, Assay ≥ 95% | 706806-60-2 Boc-(R)-a-benzylproline|15472|706806-60-2 https://www.jk-sci.com/products/ts246cs-0086433 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56802b558b7b33298f185e02a70ff128.jpg?v=1791328917 (R)-VAPOL, 97% | 147702-16-7 (R)-VAPOL|CS-0086433|147702-16-7 https://www.jk-sci.com/products/s57c4x-192427 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345d983ab08a6a41762738620d9159f7.jpg?v=1791372654 Urapidil Impurity 27, Purity: 99.9% | 31737-09-4 Urapidil Impurity 27|C4X-192427|31737-09-4 https://www.jk-sci.com/products/ts246cs-0086239 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bcc808fe2e47ef1e349a1f945df8163.jpg?v=1791328966 Propynol Ethoxylate, 90% | 3973-18-0 Propynol Ethoxylate|CS-0086239|3973-18-0 https://www.jk-sci.com/products/ts246cs-0071855 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492597_227ce459-907f-4381-bbc1-3c34ca1bc534.png?v=1791331566 4-Naphthalen-1-yl-thiazol-2-ylamine, 95.58%+ | 56503-96-9 4-Naphthalen-1-yl-thiazol-2-ylamine|CS-0071855|56503-96-9 https://www.jk-sci.com/products/j5315511 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6733cfeaa2d1df2fbcd0bbc67768a489.jpg?v=1791412852 Fmoc-4-fluoro-D-b-homophenylalanine, Purity by HPLC ≥ 99% | 331763-70-3 Fmoc-4-fluoro-D-b-homophenylalanine|15511|331763-70-3 https://www.jk-sci.com/products/j5315539 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46e31c29b9d6c2b55285bd23ed5f8218.jpg?v=1791412821 Boc-(R)-3-amino-3-(2-fluorophenyl)propionic acid, Purity by HPLC ≥ 99% | 500789-03-7 Boc-(R)-3-amino-3-(2-fluorophenyl)propionic acid|15539|500789-03-7 https://www.jk-sci.com/products/j5315580 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bea2fa2aac8c06ae34b779308e093dbd.jpg?v=1791412776 Boc-(S)-3-amino-3-(3-trifluoromethylphenyl)propionic acid, Purity by HPLC ≥ 98% | 500770-78-5 Boc-(S)-3-amino-3-(3-trifluoromethylphenyl)propionic acid|15580|500770-78-5 https://www.jk-sci.com/products/s57c4x-17755 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c2d7077320faabb43881d7cb136f60e.jpg?v=1791374493 Vancomycin EP Impurity D, 90.90% | 101485-50-1 Vancomycin EP Impurity D|C4X-17755|101485-50-1 https://www.jk-sci.com/products/s57c4x-172814 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297387_a7fa9caa-8e58-4478-aa58-88d6ef11501b.png?v=1791374895 Pentoxifylline Impurity 14, 98.00% | 6493-07-8 Pentoxifylline Impurity 14|C4X-172814|6493-07-8 https://www.jk-sci.com/products/s57c4x-181315 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb65b9b3aa85443ea22a77d18ad0ee4a_0f17f85c-b221-41d3-b0c6-577df7cf681a.jpg?v=1791374098 Butylphthalide Impurity 15, 84.30% | 3453-64-3 Butylphthalide Impurity 15|C4X-181315|3453-64-3 https://www.jk-sci.com/products/s57c4x-17976 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fcc37b04-84bc-4093-ad98-7f004c3f9cec.png?v=1791374241 Tenofovir Alafenamide Impurity 6, 86.00% Tenofovir Alafenamide Impurity 6|C4X-17976 https://www.jk-sci.com/products/s57c4x-18211 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402177_7f6bea81-0a33-4ed2-a672-4c7685815065.png?v=1791373959 Polaprezinc Impurity 1, Purity: 99.7% | 5323-50-2 Polaprezinc Impurity 1|C4X-18211|5323-50-2 https://www.jk-sci.com/products/j5315588 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238c09a5788e683113085cebed758597.jpg?v=1791412768 Fmoc-(S)-3-amino-3-(4-trifluoromethylphenyl)propionic acid, Purity ≥ 98% (NMR) | 507472-21-1 Fmoc-(S)-3-amino-3-(4-trifluoromethylphenyl)propionic acid|15588|507472-21-1 https://www.jk-sci.com/products/s57c4x-18248 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f6b3e057bdf837b5530f7496bd9894c.jpg?v=1791373896 Cefcapene Impurity 8, 95.70% | 153012-37-4 Cefcapene Impurity 8|C4X-18248|153012-37-4 https://www.jk-sci.com/products/j5315597 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bfc2ccbebdc7f536b8b85941dcf482d.jpg?v=1791412754 Boc-(R)-3-amino-3-(4-cyanophenyl)propionic acid, Assay ≥ 95% | 501015-22-1 Boc-(R)-3-amino-3-(4-cyanophenyl)propionic acid|15597|501015-22-1 https://www.jk-sci.com/products/s57c4x-183013 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dd3f2fa6767db257dab9a4fd88550c0.jpg?v=1791373824 Lacosamide EP Impurity E(R-Isomer), 93.60% | 175481-39-7 Lacosamide EP Impurity E(R-Isomer)|C4X-183013|175481-39-7 https://www.jk-sci.com/products/s57c4x-18339 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33abf9ee0a4dc20683fdb1f31a812106.jpg?v=1791373755 Peramivir Impurity 9, 90.60% | 1352062-19-1 Peramivir Impurity 9|C4X-18339|1352062-19-1 https://www.jk-sci.com/products/s57c4x-18375 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e07ace0d081b00725850eaed1a5f4cc3.jpg?v=1791373695 Clemastine Impurity 5 Fumarate (S,R-isomer), 99.50% | 61826-32-2 Clemastine Impurity 5 Fumarate (S,R-isomer)|C4X-18375|61826-32-2 https://www.jk-sci.com/products/s57c4x-184028 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120432_ee7e3f4c-cb2f-4196-a337-00b1aec1fca8.png?v=1791373638 Epinastine Impurity 28, 99.20% | 532-55-8 Epinastine Impurity 28|C4X-184028|532-55-8 https://www.jk-sci.com/products/ts246cs-0080680 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e281fa5bcdf01d46b5105c310288f921.jpg?v=1791330318 2-Oxo-1,2-dihydroquinoline-6-sulfonyl chloride, 97% | 569340-07-4 2-Oxo-1,2-dihydroquinoline-6-sulfonyl chloride|CS-0080680|569340-07-4 https://www.jk-sci.com/products/s57c4x-184227 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5e9ce2548bf308f6b917ab06ebc2672.jpg?v=1791373611 Paclitaxel Impurity 27, 97.80% | 932042-85-8 Paclitaxel Impurity 27|C4X-184227|932042-85-8 https://www.jk-sci.com/products/s57c4x-18455 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332021_46084ebc-1831-4744-a1b1-720659e421df.png?v=1791373579 Neomycin Sulfate EP Impurity E, Purity: 100.0% | 1263-89-4 Neomycin Sulfate EP Impurity E|C4X-18455|1263-89-4 https://www.jk-sci.com/products/s57c4x-184945 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fcf4c6621bbb3bf916d8e069442074d.jpg?v=1791373548 Adrenaline EP Impurity D, 98.50% | 317351-40-9 Adrenaline EP Impurity D|C4X-184945|317351-40-9 https://www.jk-sci.com/products/s57c4x-185412 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21fb3703f7711049932d998fa8f05d81.jpg?v=1791373478 Arotinolol Impurity 12, Purity: 94.1% | 1365760-23-1 Arotinolol Impurity 12|C4X-185412|1365760-23-1 https://www.jk-sci.com/products/ts246cs-0081638 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34abcb0f64af9286192f985f8fc1472b.jpg?v=1791330094 6-Iodo-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine, 95+% | 1246088-42-5 6-Iodo-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine|CS-0081638|1246088-42-5 https://www.jk-sci.com/products/j5315606 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b67272216336caa85e775f5a328e0a25.jpg?v=1791412741 Fmoc-(S)-3-amino-3-(2-nitrophenyl)propionic acid, Purity by HPLC ≥ 95% | 507472-25-5 Fmoc-(S)-3-amino-3-(2-nitrophenyl)propionic acid|15606|507472-25-5 https://www.jk-sci.com/products/s57c4x-185014 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8e9d7a7f-8b16-433a-9699-39f47d8dc3a9.png?v=1791373519 Atracurium Impurity 14, 95.80% Atracurium Impurity 14|C4X-185014 https://www.jk-sci.com/products/s57c4x-18553 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c81bf056904506ec6a1bd330cfe3591.jpg?v=1791373445 Aminophylline EP Impurity C, 99.50% | 7597-60-6 Aminophylline EP Impurity C|C4X-18553|7597-60-6 https://www.jk-sci.com/products/ts246cs-0083340 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322718.png?v=1791329823 1-(2-(Trifluoromethoxy)phenyl)thiourea, 98% | 175205-24-0 1-(2-(Trifluoromethoxy)phenyl)thiourea|CS-0083340|175205-24-0 https://www.jk-sci.com/products/ts246cs-0082469 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3f4149dc9b1e22aaf878e126efbddba.jpg?v=1791329929 S-Nitroso-N-acetyl-DL-penicillamine, 95.00%+ | 67776-06-1 S-Nitroso-N-acetyl-DL-penicillamine|CS-0082469|67776-06-1 https://www.jk-sci.com/products/s57c4x-18731 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606218_bae77de2-88d9-4297-895a-9248046f5d41.png?v=1791373339 Vitamin B1 Monophosphate Chloride, 99.00% | 532-40-1 Vitamin B1 Monophosphate Chloride|C4X-18731|532-40-1 https://www.jk-sci.com/products/s57c4x-18587 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1e09c979ab8a1432f1bf4f16dfee6bf.jpg?v=1791373417 Trimebutine EP Impurity E HCl, 96.20% | 294882-33-0 Trimebutine EP Impurity E HCl|C4X-18587|294882-33-0 https://www.jk-sci.com/products/s57c4x-186233 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bece05440f1a9b63cfcae3e505341dd.jpg?v=1791373374 pGlu-His-L-Trp-Ser-Tyr-D-Trp-D-Leu-Arg-Pro-Gly-NH2, Purity: 100.0% | 321709-37-9 pGlu-His-L-Trp-Ser-Tyr-D-Trp-D-Leu-Arg-Pro-Gly-NH2|C4X-186233|321709-37-9 https://www.jk-sci.com/products/s57c4x-18735 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ec4f6ab2c27bbb76c9e97b55a15e597.jpg?v=1791373318 Thiamine Nitrate EP Impurity D, 96.00% | 490-82-4 Thiamine Nitrate EP Impurity D|C4X-18735|490-82-4 https://www.jk-sci.com/products/ts246cs-0083939 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7ca5a563-e693-449d-9b15-b9d89bda1ee4.png?v=1791329749 RockPhos Pd G3, 98% | 2009020-38-4 RockPhos Pd G3|CS-0083939|2009020-38-4 https://www.jk-sci.com/products/j5315634 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d46f361682582a3cc3737e071cd93daa.jpg?v=1791412714 Boc-(S)-3-amino-3-(2-methoxyphenyl)propionic acid, Assay ≥ 97% | 499995-76-5 Boc-(S)-3-amino-3-(2-methoxyphenyl)propionic acid|15634|499995-76-5 https://www.jk-sci.com/products/s57c4x-187417 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350563_562a8e01-ec98-4426-a35b-46337efa8d34.png?v=1791373305 Cyanocobalamin /Vitamin B12 Impurity 17, Purity: 100.0% | 3171-45-7 Cyanocobalamin /Vitamin B12 Impurity 17|C4X-187417|3171-45-7 https://www.jk-sci.com/products/s57c4x-187747 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64b8f756-0e51-43d4-a64f-d27d9a1606c1.png?v=1791373232 Pyridoxine Impurity 19 DiHCl, 98.30% Pyridoxine Impurity 19 DiHCl|C4X-187747 https://www.jk-sci.com/products/s57c4x-18763 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430887_36647d21-08ac-4075-8127-653d1a98e176.png?v=1791373253 Sulpiride EP Impurity D, Purity: 99.0% | 22117-85-7 Sulpiride EP Impurity D|C4X-18763|22117-85-7 https://www.jk-sci.com/products/s57c4x-187515 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_04b6054d-48d2-4ba7-9f89-4ff8b0968478.png?v=1791373270 Tandospirone N-Oxide Impurity 12, Purity: 96.6% Tandospirone N-Oxide Impurity 12|C4X-187515 https://www.jk-sci.com/products/ts246cs-0084249 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d58edd0dcb1d9949c15082e489df09e4.jpg?v=1791329688 5-Ethyl-3-((pyrrolidin-3-ylmethoxy)methyl)-1,2,4-oxadiazole, 95% | 914299-45-9 5-Ethyl-3-((pyrrolidin-3-ylmethoxy)methyl)-1,2,4-oxadiazole|CS-0084249|914299-45-9 https://www.jk-sci.com/products/j5315660 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43808e95d99e2858bc79c7b5ad26c1fc.jpg?v=1791412681 Fmoc-(R)-3-amino-3-(4-hydroxyphenyl)propionic acid, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 511272-36-9 Fmoc-(R)-3-amino-3-(4-hydroxyphenyl)propionic acid|15660|511272-36-9 https://www.jk-sci.com/products/j5315640 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13560e44b165054875638b6b35e4b282.jpg?v=1791412703 Boc-(S)-3-amino-3-(3-methoxyphenyl)propionic acid, Purity by HPLC ≥ 99% | 499995-77-6 Boc-(S)-3-amino-3-(3-methoxyphenyl)propionic acid|15640|499995-77-6 https://www.jk-sci.com/products/s57c4x-1878 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432039_29e0c6cb-7e49-424f-ae57-05c728fccd2d.png?v=1791373217 Chlormezanone, 99.50% | 80-77-3 Chlormezanone|C4X-1878|80-77-3 https://www.jk-sci.com/products/j5315683 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b91066d145a3042a246e3d169657855f.jpg?v=1791412661 Boc-(S)-3-amino-3-(3,4-dimethoxyphenyl)propionic acid, Purity by HPLC ≥ 98% | 499995-84-5 Boc-(S)-3-amino-3-(3,4-dimethoxyphenyl)propionic acid|15683|499995-84-5 https://www.jk-sci.com/products/ts246cs-0108418 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622886.png?v=1791320293 (S)-1-[(Rp)-2-[Bis(4-methoxy-3,5-dimethylphenyl) phosphino]ferrocenyl]ethyldi-o-tolylphosphine, 97% | 849924-52-3 (S)-1-[(Rp)-2-[Bis(4-methoxy-3,5-dimethylphenyl) phosphino]ferrocenyl]ethyldi-o-tolylphosphine|CS-0108418|849924-52-3 https://www.jk-sci.com/products/s57c4x-188412 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07def8da-f82a-40e6-bca5-1fc66c3cc38a.png?v=1791373196 Etomidate Impurity 12, 96.00% Etomidate Impurity 12|C4X-188412 https://www.jk-sci.com/products/ts246cs-0084380 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4edbae1e6a926428f92bb8b64f18fdf0.jpg?v=1791329623 6-Fluoroimidazo[1,2-a]pyridine-3-carboxylic acid, 95.00%+ | 1019021-85-2 6-Fluoroimidazo[1,2-a]pyridine-3-carboxylic acid|CS-0084380|1019021-85-2 https://www.jk-sci.com/products/s57c4x-189115 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433886_b4e44b5c-9126-461d-85be-2b52589381aa.png?v=1791373165 Esmolol Impurity 15, 99.70% | 501-97-3 Esmolol Impurity 15|C4X-189115|501-97-3 https://www.jk-sci.com/products/ts246cs-0084583 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f88156502bc0ae9395de7890ec90110.jpg?v=1791329564 5-Chloropyrimidine-4-carboxylic acid, 98% | 64224-65-3 5-Chloropyrimidine-4-carboxylic acid|CS-0084583|64224-65-3 https://www.jk-sci.com/products/s57c4x-18918 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3b75d9476d410b8d48a38a761cb0272.jpg?v=1791373132 Esmolol Impurity 8, 92.20% | 81147-94-6 Esmolol Impurity 8|C4X-18918|81147-94-6 https://www.jk-sci.com/products/s57c4x-189411 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214911_ad556879-0127-4add-8d76-a855c64f93de.png?v=1791373113 Ethambutol Impurity 11, Purity: 100.0% | 5856-63-3 Ethambutol Impurity 11|C4X-189411|5856-63-3 https://www.jk-sci.com/products/s57c4x-189134 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211544_f48df42a-a289-48cc-8af5-dfdd8564c6a5.png?v=1791373152 Esmolol Impurity 34, Purity: 98.3% | 7249-16-3 Esmolol Impurity 34|C4X-189134|7249-16-3 https://www.jk-sci.com/products/ts246cs-0084782 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418885_f5dfd867-e598-4931-b260-45ad43732f9b.png?v=1791329513 N-(4-Chloropyridin-2-yl)acetamide, 98% | 245056-66-0 N-(4-Chloropyridin-2-yl)acetamide|CS-0084782|245056-66-0 https://www.jk-sci.com/products/s57c4x-18952 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4682ee2f3d1693ee4602006c9b416c33.jpg?v=1791373094 Flupentixol EP Impurity A Enantiomer, 99.40% | 2340-57-0 Flupentixol EP Impurity A Enantiomer|C4X-18952|2340-57-0 https://www.jk-sci.com/products/ts246cs-0084847 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bb6323c43b3c8e745155d3fc2f5f4dd.jpg?v=1791329478 (S)-Butan-2-amine hydrochloride, 95% | 31519-50-3 (S)-Butan-2-amine hydrochloride|CS-0084847|31519-50-3 https://www.jk-sci.com/products/s57c4x-189919 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256373_90c73466-5118-4526-8b67-d74d93f6e5b7.png?v=1791373079 Benzylpenicillin Impurity 19, 94.30% | 4152-09-4 Benzylpenicillin Impurity 19|C4X-189919|4152-09-4 https://www.jk-sci.com/products/s57c4x-190210 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214204_cae7fcc5-bee8-4a9e-af8f-1c22b3b698fd.png?v=1791373059 Salicylic acid Impurity 10, 99.60% | 121-98-2 Salicylic acid Impurity 10|C4X-190210|121-98-2 https://www.jk-sci.com/products/j5315709 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ec1a2414f19f1c34f5c7320a48fa043.jpg?v=1791412638 Fmoc-(S)-3-amino-3-(1-naphthyl)propionic acid, Purity by HPLC ≥ 99% | 507472-10-8 Fmoc-(S)-3-amino-3-(1-naphthyl)propionic acid|15709|507472-10-8 https://www.jk-sci.com/products/j5315722 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d76d15ceb84fc570b3fafcabb47dc6c6.jpg?v=1791412618 Boc-D-2-amino-5-phenylpentanoic acid dicyclohexylamine salt, Purity ≥ 98% | 156130-68-6 Boc-D-2-amino-5-phenylpentanoic acid dicyclohexylamine salt|15722|156130-68-6 https://www.jk-sci.com/products/s57c4x-190343 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/830101ad80f0ed747b3ab913be19fe2f_94e65f0a-c552-4d5c-a1eb-79238c2d325d.jpg?v=1791373043 Lenalidomide Impurity 43, Purity: 98.9% | 1061604-41-8 Lenalidomide Impurity 43|C4X-190343|1061604-41-8 https://www.jk-sci.com/products/ts246cs-0084985 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bf262091f57cae3af510c74fbbc8f97.jpg?v=1791329432 Tris(2,2'-bipyrazine)ruthenium(II) hexafluorophosphate, 97% | 80907-56-8 Tris(2,2'-bipyrazine)ruthenium(II) hexafluorophosphate|CS-0084985|80907-56-8 https://www.jk-sci.com/products/s57c4x-190640 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_14252f17-8dc1-4190-88eb-f86d27a1019c.png?v=1791373027 Sugammadex Impurity 40, Purity: 99.4% Sugammadex Impurity 40|C4X-190640 https://www.jk-sci.com/products/s57c4x-19074 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564c01f5867aaf0964cf0fb55ea4526a.jpg?v=1791372994 Nicorandil EP Impurity B, 97.00% | 6265-73-2 Nicorandil EP Impurity B|C4X-19074|6265-73-2 https://www.jk-sci.com/products/s57c4x-190812 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1459c1797fc636f756013b52e14ceb47.jpg?v=1791372966 Dopamine Impurity 12 HCl, 97.70% | 101089-44-5 Dopamine Impurity 12 HCl|C4X-190812|101089-44-5 https://www.jk-sci.com/products/ts246cs-0085183 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153173_9c630677-4289-47f3-bea6-a382a6432b62.png?v=1791329367 Ethyl 2-iodobenzoate, 98% | 1829-28-3 Ethyl 2-iodobenzoate|CS-0085183|1829-28-3 https://www.jk-sci.com/products/s57c4x-190754 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc5a4851-34ad-4117-86df-86182fc582b9.png?v=1791372976 Nicorandil Impurity 53 Formate, 92.50% Nicorandil Impurity 53 Formate|C4X-190754 https://www.jk-sci.com/products/ts246cs-0085234 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11eaf23454ff8768d713af94f9759a32.jpg?v=1791329325 5-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one, 97% | 1221502-66-4 5-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0085234|1221502-66-4 https://www.jk-sci.com/products/s57c4x-190820 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8da64e9ff8912d829e914c9c77e5e901_d1f343d7-0e82-4cf8-bf16-c3269f0493c3.jpg?v=1791372955 Dopamine Impurity 20, 90.30% | 138937-28-7 Dopamine Impurity 20|C4X-190820|138937-28-7 https://www.jk-sci.com/products/s57c4x-190826 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202760_e9bf1a5e-9ce7-4904-89c1-414e525289af.png?v=1791372947 Dopamine Impurity 26, 97.60% | 3131-52-0 Dopamine Impurity 26|C4X-190826|3131-52-0 https://www.jk-sci.com/products/ts246cs-0085282 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1f8d18e1ea86cfc19a4174db1b04336.jpg?v=1791329298 Methyl 2-fluoro-3-hydroxybenzoate, 96% | 1214324-64-7 Methyl 2-fluoro-3-hydroxybenzoate|CS-0085282|1214324-64-7 https://www.jk-sci.com/products/ts246cs-0085341 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308146_a00ea2a8-0001-4556-b904-21a0d8af42b1.png?v=1791329252 1,3-Diisopropylimidazolium chloride, 96% | 139143-09-2 1,3-Diisopropylimidazolium chloride|CS-0085341|139143-09-2 https://www.jk-sci.com/products/ts246cs-0085354 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344044_fec37abf-57d4-4763-af0c-fdb3083f1399.png?v=1791329242 Methyl 5-chloro-1H-indazole-3-carboxylate, 98% | 1079-46-5 Methyl 5-chloro-1H-indazole-3-carboxylate|CS-0085354|1079-46-5 https://www.jk-sci.com/products/j5315731 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e46ee1a11e45e415fcc70b2ee83b3418.jpg?v=1791412610 Fmoc-D-b-homophenylalanine, Purity by HPLC ≥ 98% | 209252-16-4 Fmoc-D-b-homophenylalanine|15731|209252-16-4 https://www.jk-sci.com/products/j5315738 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e89575847979d3c66a68c69c277fb28.jpg?v=1791412598 (R)-3-Amino-3-(6-methoxy-3-pyridyl)propionic acid, Purity by HPLC ≥ 97% | 712321-46-5 (R)-3-Amino-3-(6-methoxy-3-pyridyl)propionic acid|15738|712321-46-5 https://www.jk-sci.com/products/ts246cs-0085406 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/474717_c63b8628-062d-48ef-93b7-57cd7a8f6b26.png?v=1791329216 Aluminum trifluoromethanesulfonate, 98% | 74974-61-1 Aluminum trifluoromethanesulfonate|CS-0085406|74974-61-1 https://www.jk-sci.com/products/j5315755 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dee7f75e35755f696d72c6d0a3c4206.jpg?v=1791412586 Boc-(S)-a-(4-chlorobenzyl)proline, Purity by HPLC 99 - 100% | 1217777-96-2 Boc-(S)-a-(4-chlorobenzyl)proline|15755|1217777-96-2 https://www.jk-sci.com/products/j5315858 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b88d0ac0d752dd71b1bd87571e28bae7.jpg?v=1791412566 Boc-(S)-a-(2-thiophenylmethyl)-proline, Purity by HPLC ≥ 97% | 1217823-56-7 Boc-(S)-a-(2-thiophenylmethyl)-proline|15858|1217823-56-7 https://www.jk-sci.com/products/ts246cs-0085593 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602300.png?v=1791329171 Cesiumacetate, 99% | 3396-11-0 Cesiumacetate|CS-0085593|3396-11-0 https://www.jk-sci.com/products/j5315900 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44dc49c0dc57378c675ca91878f31958.jpg?v=1791412545 Boc-(R)-g-(2-chlorobenzyl)-L-proline, Purity by HPLC ≥ 98% | 959581-51-2 Boc-(R)-g-(2-chlorobenzyl)-L-proline|15900|959581-51-2 https://www.jk-sci.com/products/j5315978 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7fd89c2e0295ef9033d4cc9ccf6f184.jpg?v=1791412505 Boc-(R)-g-allyl-L-proline, Purity by HPLC ≥ 97% | 224645-82-3 Boc-(R)-g-allyl-L-proline|15978|224645-82-3 https://www.jk-sci.com/products/j5315985 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d92c333fca0294926046f1a34dd1d6d.jpg?v=1791412496 (±)-trans-4-(3-Fluorophenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity by HPLC ≥ 99% | 1284227-02-6 (±)-trans-4-(3-Fluorophenyl)pyrrolidine-3-carboxylic acid hydrochloride|15985|1284227-02-6 https://www.jk-sci.com/products/s57c4x-190829 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417299_cf2c7aaf-5ebd-49e8-9db1-04242532fdbc.png?v=1791372943 Dopamine Impurity 29, 88.70% | 15806-29-8 Dopamine Impurity 29|C4X-190829|15806-29-8 https://www.jk-sci.com/products/j5315992 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28ffd9087f253b2f887a558331ae3a3e.jpg?v=1791412485 (±)-trans-4-(4-Chlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity ≥ 98% (NMR) | 1047651-82-0 (±)-trans-4-(4-Chlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride|15992|1047651-82-0 https://www.jk-sci.com/products/j5316009 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb659c14fb32adde787dee790b7259b4.jpg?v=1791412466 Boc-(±)-trans-4-(3-nitrophenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 959577-50-5 Boc-(±)-trans-4-(3-nitrophenyl)pyrrolidine-3-carboxylic acid|16009|959577-50-5 https://www.jk-sci.com/products/ts246cs-0085631 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128773_c0fded5e-7d16-4fd1-8016-defafa8f99b1.png?v=1791329161 Nickel(II) bromide, 99% | 13462-88-9 Nickel(II) bromide|CS-0085631|13462-88-9 https://www.jk-sci.com/products/j5315999 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36a931f7a5a17ff4ef59670438132066.jpg?v=1791412476 Boc-(±)-trans-4-(4-bromophenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 1217829-96-3 Boc-(±)-trans-4-(4-bromophenyl)pyrrolidine-3-carboxylic acid|15999|1217829-96-3 https://www.jk-sci.com/products/j5316018 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f04e678aca70fd5ff950f9fd1723bd06.jpg?v=1791412449 (±)-trans-4-(2,3-Dichlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity by HPLC ≥ 98% | 1392210-64-8 (±)-trans-4-(2,3-Dichlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride|16018|1392210-64-8 https://www.jk-sci.com/products/j5316022 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cc1b625d3c8afad1b1416337d2a6783.jpg?v=1791412444 (±)-trans-4-(3-Trifluoromethylphenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity by HPLC ≥ 98% | 1049978-65-5 (±)-trans-4-(3-Trifluoromethylphenyl)pyrrolidine-3-carboxylic acid hydrochloride|16022|1049978-65-5 https://www.jk-sci.com/products/ts246cs-0085698 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258126.png?v=1791329141 Diphenylpropylphosphine, 97% | 7650-84-2 Diphenylpropylphosphine|CS-0085698|7650-84-2 https://www.jk-sci.com/products/s57c4x-190850 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_507edeb0-69ce-46fb-8aae-ae759875c123.png?v=1791372932 Dopamine Impurity 50, 83.60% Dopamine Impurity 50|C4X-190850 https://www.jk-sci.com/products/j5316027 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca42aecc483a6a3293430caeedae3372.jpg?v=1791412439 (±)-trans-4-(3-Cyanophenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity by HPLC ≥ 98% | 1049734-95-3 (±)-trans-4-(3-Cyanophenyl)pyrrolidine-3-carboxylic acid hydrochloride|16027|1049734-95-3 https://www.jk-sci.com/products/j5316031 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f281c8e6933a9252bec0411c32fcb03.jpg?v=1791412428 (±)-trans-4-(2-Methoxyphenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity ≥ 98% (NMR) | 1330750-51-0 (±)-trans-4-(2-Methoxyphenyl)pyrrolidine-3-carboxylic acid hydrochloride|16031|1330750-51-0 https://www.jk-sci.com/products/ts246cs-0085730 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/445560_36be4cc0-152f-44b3-8f45-f9d55eb23158.png?v=1791329114 (R)-1-(2-Fluorophenyl)ethanol, 97.00%+ | 162427-79-4 (R)-1-(2-Fluorophenyl)ethanol|CS-0085730|162427-79-4 https://www.jk-sci.com/products/j5316034 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbe80bc73d128f5032c32fa190c709d1.jpg?v=1791412429 Boc-(±)-trans-4-(3-methoxyphenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 96% | 1217740-96-9 Boc-(±)-trans-4-(3-methoxyphenyl)pyrrolidine-3-carboxylic acid|16034|1217740-96-9 https://www.jk-sci.com/products/j5316058 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21288f1e37322b0b4a885d18626c4e11.jpg?v=1791412391 (±)-trans-4-(3-Thienyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity by HPLC ≥ 98% | 1864003-47-3 (±)-trans-4-(3-Thienyl)pyrrolidine-3-carboxylic acid hydrochloride|16058|1864003-47-3 https://www.jk-sci.com/products/ts246cs-0085793 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317086_08f1c56d-679a-439a-b79d-76ccf9c419cc.png?v=1791329079 Bathocuproine disulfonate (disodium), 95.00%+ | 52698-84-7 Bathocuproine disulfonate (disodium)|CS-0085793|52698-84-7 https://www.jk-sci.com/products/ts246cs-0085908 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/962a47d14a15c442be3fc1915adedcfb.jpg?v=1791329053 Dimethyl 2, 2'-bipyridine-6, 6'-dicarboxylate, 96% | 142593-07-5 Dimethyl 2, 2'-bipyridine-6, 6'-dicarboxylate|CS-0085908|142593-07-5 https://www.jk-sci.com/products/j5316052 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72bd3430e9f7bca0e981904d0dd2878d.jpg?v=1791412406 (±)-trans-4-(6-Methoxy-3-pyridinyl)pyrrolidine-3-carboxylic acid, Purity ≥ 95% (NMR) | 1048330-63-7 (±)-trans-4-(6-Methoxy-3-pyridinyl)pyrrolidine-3-carboxylic acid|16052|1048330-63-7 https://www.jk-sci.com/products/j5316106 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/066273a124f4c82e5d6cc97be4e1a592.jpg?v=1791412366 1-(Fmoc-amino)-4,9-dioxa-12-dodecanamine·HCl, Assay by titration 98.5 - 101.0% || Purity by HPLC ≥ 99% | 1274891-99-4 1-(Fmoc-amino)-4,9-dioxa-12-dodecanamine·HCl|16106|1274891-99-4 https://www.jk-sci.com/products/j5316123 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/993ccbb0731894d1c1368ce120efc96c.jpg?v=1791412337 Boc-cis-2-aminocyclohexanecarboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 63216-49-9 Boc-cis-2-aminocyclohexanecarboxylic acid|16123|63216-49-9 https://www.jk-sci.com/products/ts246cs-0086023 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314724_fb58c35c-0949-49a2-bd79-f66ec779cb92.png?v=1791329017 3-(Diphenylphosphino)benzenesulfonic acid sodium salt, 95% | 63995-75-5 3-(Diphenylphosphino)benzenesulfonic acid sodium salt|CS-0086023|63995-75-5 https://www.jk-sci.com/products/j5316078 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd57a6ba31bee1e4b8243b5290b68de5.jpg?v=1791412376 2-(4-Boc-piperazinyl)-2-(3-trifluoromethylphenyl)acetic acid, Purity by HPLC ≥ 96% | 885274-26-0 2-(4-Boc-piperazinyl)-2-(3-trifluoromethylphenyl)acetic acid|16078|885274-26-0 https://www.jk-sci.com/products/j5316149 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67ec1bf6eb32214d00330dc648afb9c1.jpg?v=1791412299 Na-(4,4-Dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-Ng-Fmoc-L-2,4-diaminobutyric acid, Assay by titration ≥ 94% || Purity by HPLC ≥ 99% | 1263045-85-7 Na-(4,4-Dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-Ng-Fmoc-L-2,4-diaminobutyric acid|16149|1263045-85-7 https://www.jk-sci.com/products/j5316167 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1cec60c167636f67566e44af97bcdc1.jpg?v=1791412271 D-Glutamic acid g-benzyl ester a-tert-butyl ester hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 90159-60-7 D-Glutamic acid g-benzyl ester a-tert-butyl ester hydrochloride|16167|90159-60-7 https://www.jk-sci.com/products/j5316139 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd8447e53b965473988e620c6bba7432.jpg?v=1791412313 (R)-Na-Boc-Nb-Z-2,3-diaminopropan-1-ol, Purity by HPLC ≥ 99% | 1263045-28-8 (R)-Na-Boc-Nb-Z-2,3-diaminopropan-1-ol|16139|1263045-28-8 https://www.jk-sci.com/products/ts246cs-0086189 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399c0709f0e4db985df84b8daa64d217.jpg?v=1791328972 20-Hydroxyeicosanoic acid, 98% | 62643-46-3 20-Hydroxyeicosanoic acid|CS-0086189|62643-46-3 https://www.jk-sci.com/products/j5316173 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dc7be61829e01c15c9d0ff078969e6a.jpg?v=1791412265 Fmoc-trans-2-aminocyclohexanecarboxylic acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 381241-08-3 Fmoc-trans-2-aminocyclohexanecarboxylic acid|16173|381241-08-3 https://www.jk-sci.com/products/j5311292 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0366fa3987e174419b6c1d7d7d15fb19.jpg?v=1791414938 N-Z-1,5-pentanediamine hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 18807-74-4 N-Z-1,5-pentanediamine hydrochloride|11292|18807-74-4 https://www.jk-sci.com/products/j5316181 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f93aa381403f18b1aa876d8f035ea82.jpg?v=1791412252 (S)-Na-Fmoc-Nb-Boc-2,3-diaminopropan-1-ol, Purity by HPLC ≥ 99% | 915714-21-5 (S)-Na-Fmoc-Nb-Boc-2,3-diaminopropan-1-ol|16181|915714-21-5 https://www.jk-sci.com/products/j5315066 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220245637ec54d9ad7ef13c91f98d6a8.jpg?v=1791413401 Fmoc-N-(tert-butyloxycarbonylmethyl)glycine, Assay by titration ≥ 98% || Purity by HPLC ≥ 98% | 141743-16-0 Fmoc-N-(tert-butyloxycarbonylmethyl)glycine|15066|141743-16-0 https://www.jk-sci.com/products/j5314450 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ade0431b72fcb2b946d2cff2b934a1af.jpg?v=1791413667 Boc-cis-DL-4-phenylpiperidine-3-carboxylic acid, Assay ≥ 98% | 170838-39-8 Boc-cis-DL-4-phenylpiperidine-3-carboxylic acid|14450|170838-39-8 https://www.jk-sci.com/products/j5315218 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d57178c879184341506f14de5b1cdd6a.jpg?v=1791413215 (S)-3-Amino-3-(2-fluorophenyl)propionic acid, Purity by HPLC ≥ 98% | 151911-32-9 (S)-3-Amino-3-(2-fluorophenyl)propionic acid|15218|151911-32-9 https://www.jk-sci.com/products/j5315305 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3a9bf75230395c62f92695882d35d16.jpg?v=1791413094 Fmoc-pentafluoro-D-b-homophenylalanine, Purity ≥ 98% | 269398-94-9 Fmoc-pentafluoro-D-b-homophenylalanine|15305|269398-94-9 https://www.jk-sci.com/products/ts246cs-0086427 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273459_c3e702f9-b289-437a-bcf5-33765d6871cc.png?v=1791328917 (5aR,10bS)-2-(pentafluorophenyl)-2,5a,6,10b-tetrahydro-4H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate, 95.00%+ | 872143-57-2 (5aR,10bS)-2-(pentafluorophenyl)-2,5a,6,10b-tetrahydro-4H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate|CS-0086427|872143-57-2 https://www.jk-sci.com/products/j5315364 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a7c0b091090d4b55cbaf72744afd1b4.jpg?v=1791413023 Fmoc-3,4-dichloro-L-b-homophenylalanine, Purity by HPLC ≥ 98% | 270063-52-0 Fmoc-3,4-dichloro-L-b-homophenylalanine|15364|270063-52-0 https://www.jk-sci.com/products/j5315446 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7b97ec8efb739010a481aa54629fc29.jpg?v=1791412919 Fmoc-(S)-3-amino-3-(4-chlorophenyl)propionic acid, Purity by HPLC ≥ 98% | 479064-91-0 Fmoc-(S)-3-amino-3-(4-chlorophenyl)propionic acid|15446|479064-91-0 https://www.jk-sci.com/products/j5315414 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4b82796116228dc32d5da81e8d911b2.jpg?v=1791412964 Fmoc-3-chloro-L-b-homophenylalanine, Purity by HPLC ≥ 99% || Purity ≥ 98% | 270596-40-2 Fmoc-3-chloro-L-b-homophenylalanine|15414|270596-40-2 https://www.jk-sci.com/products/j5315523 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6121d17070afd68d40ef446514e8d0a.jpg?v=1791412840 Fmoc-(R)-2-tetrahydroisoquinoline acetic acid, Purity by HPLC ≥ 98% | 332064-67-2 Fmoc-(R)-2-tetrahydroisoquinoline acetic acid|15523|332064-67-2 https://www.jk-sci.com/products/ts246cs-0086574 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378292.png?v=1791328886 (Chloromethyl)triethoxysilane, 96% | 15267-95-5 (Chloromethyl)triethoxysilane|CS-0086574|15267-95-5 https://www.jk-sci.com/products/j5315585 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afb8f04298d8516c40a4284fb8fee936.jpg?v=1791412768 (R)-Boc-4-(trifluoromethyl)-?-Phe-OH, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 501015-19-6 (R)-Boc-4-(trifluoromethyl)-?-Phe-OH|15585|501015-19-6 https://www.jk-sci.com/products/j5315764 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1868ef5f14a80cd7035ab0a0daeb4760.jpg?v=1791412580 Boc-(R)-a-phenethylproline, Purity by HPLC 99 - 100% | 1217805-48-5 Boc-(R)-a-phenethylproline|15764|1217805-48-5 https://www.jk-sci.com/products/j5315714 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4442b2115f6b26a7e8c94c571a1ceb7.jpg?v=1791412633 Fmoc-(R)-3-amino-3-(2-naphthyl)propionic acid, Purity by HPLC ≥ 98% | 511272-48-3 Fmoc-(R)-3-amino-3-(2-naphthyl)propionic acid|15714|511272-48-3 https://www.jk-sci.com/products/j5315669 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebe4cf18ec132f0c275b2920578095c1.jpg?v=1791412671 (S)-3-Amino-3-(2,3-dichlorophenyl)propionic acid, Purity by HPLC ≥ 98% | 748128-13-4 (S)-3-Amino-3-(2,3-dichlorophenyl)propionic acid|15669|748128-13-4 https://www.jk-sci.com/products/j5315990 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c2a600eb8d0b97c30a1015ab92cbe3a.jpg?v=1791412491 (±)-trans-4-(3-Chlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride | 1284228-59-6 (±)-trans-4-(3-Chlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride|15990|1284228-59-6 https://www.jk-sci.com/products/j5315637 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8700811aebbbfb3efa34eb688b21f5a5.jpg?v=1791412709 (R)-3-Amino-3-(3-methoxyphenyl)propionic acid, Purity by HPLC ≥ 99% | 765895-65-6 (R)-3-Amino-3-(3-methoxyphenyl)propionic acid|15637|765895-65-6 https://www.jk-sci.com/products/j5315604 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/729e0f9dc5480cb8fd391046a212f1ad.jpg?v=1791412749 Boc-(S)-3-amino-3-(2-nitrophenyl)propionic acid, Purity by HPLC ≥ 95% | 500770-83-2 Boc-(S)-3-amino-3-(2-nitrophenyl)propionic acid|15604|500770-83-2 https://www.jk-sci.com/products/j5315910 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e46ce69be0ca8cd563cbe6ed081a59db.jpg?v=1791412532 Boc-(R)-g-(4-bromobenzyl)-L-proline, Purity by HPLC ≥ 99% | 959576-28-4 Boc-(R)-g-(4-bromobenzyl)-L-proline|15910|959576-28-4 https://www.jk-sci.com/products/s57c4x-190887 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a0317c03-3928-4640-8a8f-a0d9957f9e44.png?v=1791372901 Dopamine Impurity 87 HCI, 95.10% Dopamine Impurity 87 HCI|C4X-190887 https://www.jk-sci.com/products/j5315735 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01cb068129c72435abbbfca4ad2357ec.jpg?v=1791412604 D-2-Amino-5-phenylpentanoic acid, Purity by HPLC ≥ 98% | 2046-19-7 D-2-Amino-5-phenylpentanoic acid|15735|2046-19-7 https://www.jk-sci.com/products/s57c4x-190874 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5d9770eeb2e78682f285ed448292084.jpg?v=1791372924 Dopamine Impurity 74 HCl, 98.00% | 35266-63-8 Dopamine Impurity 74 HCl|C4X-190874|35266-63-8 https://www.jk-sci.com/products/s57c4x-19121 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214290_f0a6dac2-c8e0-42cb-966c-a626f46883e5.png?v=1791372871 Articaine Impurity 1, 99.40% | 85006-31-1 Articaine Impurity 1|C4X-19121|85006-31-1 https://www.jk-sci.com/products/s57c4x-191126 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5596f9a4-bf37-48ee-ae39-b5f85626205e.png?v=1791372882 Carbetocin Impurity 26, 97.90% Carbetocin Impurity 26|C4X-191126 https://www.jk-sci.com/products/ts246cs-0086826 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9b54fcc9fa9c727ece009e1cf2dbf6c.jpg?v=1791328808 (4-Bromothiophen-3-yl)(piperidin-1-yl)methanone, 98% | 2022184-92-3 (4-Bromothiophen-3-yl)(piperidin-1-yl)methanone|CS-0086826|2022184-92-3 https://www.jk-sci.com/products/s57c4x-19114 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6db7d7a-c512-44d2-b391-6e890e75c335.png?v=1791372875 Carbetocin Impurity 4, 93.90% Carbetocin Impurity 4|C4X-19114 https://www.jk-sci.com/products/ts246cs-0086830 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b02b674af36c920fcba8802b28718f70.jpg?v=1791328799 5-Bromo-1,7-dimethyl-1H-indazole, 98% | 1092352-34-5 5-Bromo-1,7-dimethyl-1H-indazole|CS-0086830|1092352-34-5 https://www.jk-sci.com/products/ts246cs-0086852 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74f6ffaf462a420384aecccdcb8e1218.jpg?v=1791328788 1-(11bS)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylpyrrolidine, 97% | 627528-96-5 1-(11bS)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylpyrrolidine|CS-0086852|627528-96-5 https://www.jk-sci.com/products/s57c4x-19098 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/879458ba2866ad3548b9c5a6bb1e019a.jpg?v=1791372893 Sulfamethoxazole EP Impurity B, 98.40% | 135529-16-7 Sulfamethoxazole EP Impurity B|C4X-19098|135529-16-7 https://www.jk-sci.com/products/ts246cs-0086818 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30ac90ae1c14887e1c2c26321e52eb8a.jpg?v=1791328816 4-Bromo-N,N,2-trimethylbenzenesulfonamide, 97% | 880778-03-0 4-Bromo-N,N,2-trimethylbenzenesulfonamide|CS-0086818|880778-03-0 https://www.jk-sci.com/products/ts246cs-0086733 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327208.png?v=1791328866 N,N-Bis(diphenylphosphino)amine, 97% | 2960-37-4 N,N-Bis(diphenylphosphino)amine|CS-0086733|2960-37-4 https://www.jk-sci.com/products/ts246cs-0086814 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8110363cae0f6f2ffe1508d3ffaea8aa.jpg?v=1791328825 1-Allyl-2-(trifluoromethyl)-1H-benzo[d]imidazole,98% (stabilized with TBC), 98% (stabilized with TBC) | 139591-03-0 1-Allyl-2-(trifluoromethyl)-1H-benzo[d]imidazole,98% (stabilized with TBC)|CS-0086814|139591-03-0 https://www.jk-sci.com/products/ts246cs-0086798 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a0904571c342deee2448bec44303283.jpg?v=1791328836 (R)-3,3'-Bis(4-nitrophenyl)-[1,1'-binaphthalene]-2,2'-diol, 97% | 791616-60-9 (R)-3,3'-Bis(4-nitrophenyl)-[1,1'-binaphthalene]-2,2'-diol|CS-0086798|791616-60-9 https://www.jk-sci.com/products/ts246cs-0086823 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d850b38a8fa1028a297a6df94fbc5fb.jpg?v=1791328810 1-((4-Bromo-2-methylphenyl)sulfonyl)piperidine, 98% | 324059-00-9 1-((4-Bromo-2-methylphenyl)sulfonyl)piperidine|CS-0086823|324059-00-9 https://www.jk-sci.com/products/ts246cs-0086747 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11d38d96c71c81c6102e18b950579acf.jpg?v=1791328855 (S)-3,3'-Bis[3,5-bis(trifluoromethyl)phenyl]-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 1228600-99-4 (S)-3,3'-Bis[3,5-bis(trifluoromethyl)phenyl]-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0086747|1228600-99-4 https://www.jk-sci.com/products/ts246cs-0086651 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792139.png?v=1791328877 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine], 97.00%+ | 167709-31-1 (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine]|CS-0086651|167709-31-1 https://www.jk-sci.com/products/j5316005 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8496ba78a9d74c2d27d99acf1412a634.jpg?v=1791412466 Boc-(±)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 959577-53-8 Boc-(±)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid|16005|959577-53-8 https://www.jk-sci.com/products/j5316029 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6b04f8d3d1d59cc576bf756ae8e6a00.jpg?v=1791412434 (±)-trans-4-(4-Cyanophenyl)pyrrolidine-3-carboxylic acid hydrochloride, Purity by HPLC ≥ 98% | 1049735-02-5 (±)-trans-4-(4-Cyanophenyl)pyrrolidine-3-carboxylic acid hydrochloride|16029|1049735-02-5 https://www.jk-sci.com/products/ts246cs-0086894 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c750fc7bf892d24ff142a50a101fa01.jpg?v=1791328762 (4S,4'S)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole], 97% | 131833-90-4 (4S,4'S)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole]|CS-0086894|131833-90-4 https://www.jk-sci.com/products/j5316021 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d28ddb21e198f03d481d9b17b22f55d.jpg?v=1791412444 Boc-(±)-trans-4-(2-trifluoromethylphenyl)pyrrolidine-3-carboxylic acid, Purity ≥ 95% | 1381947-36-9 Boc-(±)-trans-4-(2-trifluoromethylphenyl)pyrrolidine-3-carboxylic acid|16021|1381947-36-9 https://www.jk-sci.com/products/ts246cs-0086870 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4965f64328342c543b12d607d938693b.jpg?v=1791328777 Tris(2-benzimidazolylmethyl)amine, 95% | 64019-57-4 Tris(2-benzimidazolylmethyl)amine|CS-0086870|64019-57-4 https://www.jk-sci.com/products/ts246cs-0086918 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc77b2cd639e0eb937571ec2206340b3.jpg?v=1791328757 (S)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 97.00%+ | 1121764-48-4 (S)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0086918|1121764-48-4 https://www.jk-sci.com/products/s57c4x-191217 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1941e2aaebe6e589e9d3076f3a025de.jpg?v=1791372859 Articaine impurity 17 HCl, Purity: 99.6% | 161449-05-4 Articaine impurity 17 HCl|C4X-191217|161449-05-4 https://www.jk-sci.com/products/s57c4x-19124 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_59be8db7-48c4-45b8-a111-f629b95fbe7c.png?v=1791372849 Articaine EP Impurity C, 96.00% Articaine EP Impurity C|C4X-19124 https://www.jk-sci.com/products/ts246cs-0086981 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5f9016b09821c4a76c015127d587ee9.jpg?v=1791328726 LCS-1, 98.00%+ | 41931-13-9 LCS-1|CS-0086981|41931-13-9 https://www.jk-sci.com/products/ts246cs-0086923 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f70b93e4c45fd0f314f4bd01efd6e7c.jpg?v=1791328756 (R)-3,3'-Bis(1-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 97% | 1205537-79-6 (R)-3,3'-Bis(1-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0086923|1205537-79-6 https://www.jk-sci.com/products/ts246cs-0086941 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a39b12d8a1ae4dbc9c51ce988b8c2a2.jpg?v=1791328752 (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxal dehyde, 98% | 141779-46-6 (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxal dehyde|CS-0086941|141779-46-6 https://www.jk-sci.com/products/ts246cs-0087070 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee5b0b71d1df4febd11d34fee25d38aa.jpg?v=1791328717 (11bS)?-N,?N-?Bis[(S)?-?1-?phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 97% | 209482-27-9 (11bS)?-N,?N-?Bis[(S)?-?1-?phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087070|209482-27-9 https://www.jk-sci.com/products/s57c4x-191318 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360823_859a9227-4fac-4bf1-959e-fd291845b15d.png?v=1791372831 Rasagiline Impurity 18, 92.60% | 34698-41-4 Rasagiline Impurity 18|C4X-191318|34698-41-4 https://www.jk-sci.com/products/s57c4x-19128 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c1ad20996b927eeb8528e3c40f1f872.jpg?v=1791372841 Articaine EP Impurity H HCl, 99.60% | 2602451-77-2 Articaine EP Impurity H HCl|C4X-19128|2602451-77-2 https://www.jk-sci.com/products/ts246cs-0087100 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349598.png?v=1791328705 N,N'-Bis(2-hydroxybenzyl)ethylenediamine, 96% | 18653-98-0 N,N'-Bis(2-hydroxybenzyl)ethylenediamine|CS-0087100|18653-98-0 https://www.jk-sci.com/products/ts246cs-0087218 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ced498dda86d7e312cdf513769b4883.jpg?v=1791328674 (R)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 618854-90-3 (R)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0087218|618854-90-3 https://www.jk-sci.com/products/s57c4x-191347 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/422523_a6abf653-f0b0-403d-a6f3-9b517452ff73.png?v=1791372818 Rasagiline Impurity 47, 95.50% | 61341-86-4 Rasagiline Impurity 47|C4X-191347|61341-86-4 https://www.jk-sci.com/products/s57c4x-191325 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccee8f718e5bd5a42f69f966fe8f0708.jpg?v=1791372825 (S)-Rasagiline Mesylate, 99.10% | 202464-88-8 (S)-Rasagiline Mesylate|C4X-191325|202464-88-8 https://www.jk-sci.com/products/ts246cs-0087236 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc77b2cd639e0eb937571ec2206340b3_a3c775dc-accd-4e8b-bc75-5ee2617f9792.jpg?v=1791328669 (R)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 922711-77-1 (R)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0087236|922711-77-1 https://www.jk-sci.com/products/j5316046 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411cfbf817414a63e07155142617c53e.jpg?v=1791412413 Boc-(±)-trans-4-(3,4-dimethoxyphenyl)pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 98% | 959580-91-7 Boc-(±)-trans-4-(3,4-dimethoxyphenyl)pyrrolidine-3-carboxylic acid|16046|959580-91-7 https://www.jk-sci.com/products/ts246cs-0087180 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ced498dda86d7e312cdf513769b4883_54e6883e-d2af-4ee5-9ee1-ed2af48b1e60.jpg?v=1791328684 (S)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 98% | 1402852-05-4 (S)-3,3'-Bis(3,5-dimethylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol|CS-0087180|1402852-05-4 https://www.jk-sci.com/products/s57c4x-19166 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cf40ba67-5112-46d6-94b0-6cf90b7da73a.png?v=1791372803 Selegiline Impurity 6, 97.50% Selegiline Impurity 6|C4X-19166 https://www.jk-sci.com/products/ts246cs-0087339 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792135.png?v=1791328645 (R)-(6,6′-Dimethoxybiphenyl-2,2′-diyl)bis[bis(3,5-dimethylphenyl)phosphine], 97% | 394248-45-4 (R)-(6,6′-Dimethoxybiphenyl-2,2′-diyl)bis[bis(3,5-dimethylphenyl)phosphine]|CS-0087339|394248-45-4 https://www.jk-sci.com/products/s57c4x-19138 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470187_f5e81085-2265-46e1-a27b-a936551f8bec.png?v=1791372808 Rasagiline Impurity 8, 96.50% | 83-33-0 Rasagiline Impurity 8|C4X-19138|83-33-0 https://www.jk-sci.com/products/s57c4x-19171 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cadbe1b5b3bdcf533dd626e87b54ac13.jpg?v=1791372794 Fulvestrant EP Impurity A, 94.70% | 407577-53-1 Fulvestrant EP Impurity A|C4X-19171|407577-53-1 https://www.jk-sci.com/products/s57c4x-191912 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b60fe08fbe7173503ad93c377ef1f233_161b927b-0fb0-4524-9cbf-c5af9b59bb43.jpg?v=1791372785 Methylprednisolone EP Impurity L, 99.60% | 6870-94-6 Methylprednisolone EP Impurity L|C4X-191912|6870-94-6 https://www.jk-sci.com/products/s57c4x-191921 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591ec7a5d55e20eb14227ffe3ef2ba41.jpg?v=1791372779 Methylprednisolone EP Impurity A, 98.10% | 91523-05-6 Methylprednisolone EP Impurity A|C4X-191921|91523-05-6 https://www.jk-sci.com/products/ts246cs-0087384 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af184e866d5f8fe88049aab0fbf2a238.jpg?v=1791328629 2-(2-Pyridyl)benzoxazole, 97% | 32959-62-9 2-(2-Pyridyl)benzoxazole|CS-0087384|32959-62-9 https://www.jk-sci.com/products/ts246cs-0087458 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd1af31c4c7ee1b3c0bbfba8a8593fa4.jpg?v=1791328619 9-[2-(Dicyclohexylphosphino)phenyl]-9H-carbazole, 97% | 1308652-64-3 9-[2-(Dicyclohexylphosphino)phenyl]-9H-carbazole|CS-0087458|1308652-64-3 https://www.jk-sci.com/products/ts246cs-0087657 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81ae779f95d37fe6de69d86e727751c6.jpg?v=1791328578 (R)-2,2'-Bis(diphenylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl, 98% | 1365531-75-4 (R)-2,2'-Bis(diphenylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl|CS-0087657|1365531-75-4 https://www.jk-sci.com/products/ts246cs-0087598 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dc5547e402fc38a1c72154dfc708af1.jpg?v=1791328583 (R)?-3,?3'-Bis([1,?1'-?biphenyl]?-?4-?yl)?-?5,?5',?6,?6',?7,?7',?8,?8'-?octahydro-[1,?1'-binaphthalene]?-?2,?2'-?diol, 98% | 878049-66-2 (R)?-3,?3'-Bis([1,?1'-?biphenyl]?-?4-?yl)?-?5,?5',?6,?6',?7,?7',?8,?8'-?octahydro-[1,?1'-binaphthalene]?-?2,?2'-?diol|CS-0087598|878049-66-2 https://www.jk-sci.com/products/ts246cs-0087726 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c94be95f27baf3c6c371007c46c280c7.jpg?v=1791328562 (11bR)-N,N,2,6-Tetramethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 95% | 864529-88-4 (11bR)-N,N,2,6-Tetramethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0087726|864529-88-4 https://www.jk-sci.com/products/s57c4x-19195 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8004161cbf256592a6904f39776da71.jpg?v=1791372762 Methylprednisolone Acetate EP Impurity D, 95.50% | 150899-33-5 Methylprednisolone Acetate EP Impurity D|C4X-19195|150899-33-5 https://www.jk-sci.com/products/j5316117 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc87c3a27d0687dc340df775dc3d5fd8.jpg?v=1791412351 8-(Boc-amino)-3,6-dioxaoctanoic acid·DCHA, Purity by HPLC ≥ 97% | 560088-79-1 8-(Boc-amino)-3,6-dioxaoctanoic acid·DCHA|16117|560088-79-1 https://www.jk-sci.com/products/s57c4x-191935 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b574bc259fd1fd6c6ecd25d1c2a291b.jpg?v=1791372773 Methylprednisolone EP Impurity F, 99.30% | 1625-39-4 Methylprednisolone EP Impurity F|C4X-191935|1625-39-4 https://www.jk-sci.com/products/s57c4x-191961 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238547_e89facc9-84b1-4db3-a02a-ae613b1ad31b.png?v=1791372756 Methylprednisolone Hydrogen Succinate EP Impurity E, 98.80% | 2920-86-7 Methylprednisolone Hydrogen Succinate EP Impurity E|C4X-191961|2920-86-7 https://www.jk-sci.com/products/ts246cs-0087736 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495204.png?v=1791328557 (R,R)-BDPP, 98% | 96183-46-9 (R,R)-BDPP|CS-0087736|96183-46-9 https://www.jk-sci.com/products/j5316060 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c73945f5a6496ef29e873d8c270d2b2d.jpg?v=1791412387 (±)-trans-4-(2-Furanyl)pyrrolidine-3-carboxylic acid | 1260592-80-0 (±)-trans-4-(2-Furanyl)pyrrolidine-3-carboxylic acid|16060|1260592-80-0 https://www.jk-sci.com/products/ts246cs-0087865 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a2f90c004f2df25043d6c6ec0e212e6_9d7c9f63-a546-4848-8a3c-081f991d3beb.jpg?v=1791328531 (4S,4'S)-2,2'-Cyclopentylidenebis[4-tert-butyl-4,5-dihydrooxazole], 95% | 298693-03-5 (4S,4'S)-2,2'-Cyclopentylidenebis[4-tert-butyl-4,5-dihydrooxazole]|CS-0087865|298693-03-5 https://www.jk-sci.com/products/ts246cs-0087787 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259374.png?v=1791328546 N-Cyclopropyltetrahydro-2H-pyran-4-amine, 98% | 211814-16-3 N-Cyclopropyltetrahydro-2H-pyran-4-amine|CS-0087787|211814-16-3 https://www.jk-sci.com/products/s57c4x-19202 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_11ea765c-3ce4-4be0-a52e-ea16c0d3d2a4.png?v=1791372744 Goserelin EP Impurity B Trifluoroacetic Acid, 83.70% Goserelin EP Impurity B Trifluoroacetic Acid|C4X-19202 https://www.jk-sci.com/products/ts246cs-0087897 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee6b7e0d4543c5754ba55a9130416b45.jpg?v=1791328515 Methyl 3-bromo-4-(trifluoromethoxy)benzoate, 98% | 1131594-45-0 Methyl 3-bromo-4-(trifluoromethoxy)benzoate|CS-0087897|1131594-45-0 https://www.jk-sci.com/products/s57c4x-192031 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a08c66f-d8df-4c45-8eb5-8d7f43ab5f1d.png?v=1791372738 Goserelin BP Impurity 9 Trifluoroacetic Acid, 83.40% Goserelin BP Impurity 9 Trifluoroacetic Acid|C4X-192031 https://www.jk-sci.com/products/s57c4x-192038 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2cd51e40-ff92-446a-833e-e9ce2fecdcf5.png?v=1791372731 Goserelin Impurity 38 Acetate, 94.20% Goserelin Impurity 38 Acetate|C4X-192038 https://www.jk-sci.com/products/ts246cs-0087920 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce82137e1a7d1c80209a87f3ae8a12cd.jpg?v=1791328510 (R)-tBu-iQuinox, 95% | 1402851-53-9 (R)-tBu-iQuinox|CS-0087920|1402851-53-9 https://www.jk-sci.com/products/s57c4x-192041 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7954c8b9-89d4-412b-8db0-12c024dd7dd7.png?v=1791372725 Goserelin Impurity 41 TFA Salt, 94.60% Goserelin Impurity 41 TFA Salt|C4X-192041 https://www.jk-sci.com/products/s57c4x-192045 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_11fdf538-d8f0-427b-9feb-7163bf0a8f33.png?v=1791372719 Glu1-Goserelin Trifluoroacetate, 93.90% Glu1-Goserelin Trifluoroacetate|C4X-192045 https://www.jk-sci.com/products/ts246cs-0081055 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/356568_0a0a67de-b626-4204-a283-f7f749f9d473.png?v=1791330197 Methyl 6-hydroxy-5-iodonicotinate, 95% | 885950-46-9 Methyl 6-hydroxy-5-iodonicotinate|CS-0081055|885950-46-9 https://www.jk-sci.com/products/s57c4x-19214 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed2cdb26081ce0899cf6852d4075d7d4.jpg?v=1791372712 Dehydroepiandrosterone Sulfate, 90.0% | 651-48-9 Dehydroepiandrosterone Sulfate|C4X-19214|651-48-9 https://www.jk-sci.com/products/s57c4x-192310 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12a9ad6102315502e21404d2681a0dce.jpg?v=1791372701 Tetracaine Impurity 10, 99.50% | 65213-46-9 Tetracaine Impurity 10|C4X-192310|65213-46-9 https://www.jk-sci.com/products/ts246cs-0083103 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259002_2fab4650-be51-424f-a22d-45a2ff8f2ba3.png?v=1791329861 Aniline mustard, 98% | 553-27-5 Aniline mustard|CS-0083103|553-27-5 https://www.jk-sci.com/products/ts246cs-0084538 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77349ac2715a318abdbdc17fd2451adc.jpg?v=1791329590 (11bR)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 98.00%+ | 861909-53-7 (11bR)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin|CS-0084538|861909-53-7 https://www.jk-sci.com/products/s57c4x-19232 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147906_042bd710-57dd-4665-a32d-43d696a2b980.png?v=1791372696 Tetracaine EP Impurity B, 98.80% | 4740-24-3 Tetracaine EP Impurity B|C4X-19232|4740-24-3 https://www.jk-sci.com/products/ts246cs-0083987 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/992cc1e61c5c929dc0139bc9e48ef41a.jpg?v=1791329739 5-(Pyridin-3-yl)oxazole-4-carboxylic acid, 95% | 1083224-10-5 5-(Pyridin-3-yl)oxazole-4-carboxylic acid|CS-0083987|1083224-10-5 https://www.jk-sci.com/products/s57c4x-192326 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4852e7f2-d373-4213-b38e-7b505368066a.png?v=1791372686 Tetracaine Impurity 26 ·xHCl, 75.70% Tetracaine Impurity 26 ·xHCl|C4X-192326 https://www.jk-sci.com/products/ts246cs-0084816 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abf800bddbb21d14171abe04a4feb26f.jpg?v=1791329493 (R)-1-(4-(Trifluoromethoxy)phenyl)ethan-1-amine hydrochloride, 97% | 1208989-29-0 (R)-1-(4-(Trifluoromethoxy)phenyl)ethan-1-amine hydrochloride|CS-0084816|1208989-29-0 https://www.jk-sci.com/products/j5316212 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f615406d4efc4dd71fb33b63e2e36d7.jpg?v=1791412213 N-Boc,N-ethyl-1,2-ethylene diamine hydrochloride, Assay by titration ≥ 99% | 105628-63-5 N-Boc,N-ethyl-1,2-ethylene diamine hydrochloride|16212|105628-63-5 https://www.jk-sci.com/products/ts246cs-0085264 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8130ee0f6f85e8287e0fbaed04829a3.jpg?v=1791329312 3-(4-Fluorophenyl)isoxazol-5-amine, 98% | 81465-82-9 3-(4-Fluorophenyl)isoxazol-5-amine|CS-0085264|81465-82-9 https://www.jk-sci.com/products/j5316172 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/781e079fe10f0881da89b86427e2b13a.jpg?v=1791412266 Fmoc-cis-1,2-aminocyclohex-4-ene carboxylic acid, Purity by HPLC ≥ 98% | 1212305-88-8 Fmoc-cis-1,2-aminocyclohex-4-ene carboxylic acid|16172|1212305-88-8 https://www.jk-sci.com/products/ts246cs-0085147 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e09a6771113a60002bc879aa83e26db.jpg?v=1791329394 2,4-Dichlorobenzofuro[3,2-d]pyrimidine, 98% | 160199-95-1 2,4-Dichlorobenzofuro[3,2-d]pyrimidine|CS-0085147|160199-95-1 https://www.jk-sci.com/products/j5316195 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2a998516bc056136ad67ae760147f20.jpg?v=1791412232 Fmoc-D-methionine sulfone, Purity by HPLC ≥ 99% | 1247791-23-6 Fmoc-D-methionine sulfone|16195|1247791-23-6 https://www.jk-sci.com/products/ts246cs-0085345 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d97d4b9bb1ed719ae2509638cdffb4b.jpg?v=1791329252 1,3-Diisopropylimidazolium tetrafluoroborate, 97% | 286014-34-4 1,3-Diisopropylimidazolium tetrafluoroborate|CS-0085345|286014-34-4 https://www.jk-sci.com/products/ts246cs-0085465 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd945b88dac9a95bd28aac69a37c62e3.jpg?v=1791329206 2-(1H-Imidazol-1-yl)ethan-1-amine hydrochloride, 98.00%+ | 154094-97-0 2-(1H-Imidazol-1-yl)ethan-1-amine hydrochloride|CS-0085465|154094-97-0 https://www.jk-sci.com/products/j5316140 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b160054d2fd4924d12c01d942d977401.jpg?v=1791412313 Na-Boc-Ne-biotinyl-D-lysine, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 1272755-71-1 Na-Boc-Ne-biotinyl-D-lysine|16140|1272755-71-1 https://www.jk-sci.com/products/j5316193 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9b0d0b8bfdcfda9d9f3a285c0d57c78.jpg?v=1791412233 Na-Fmoc-Ne-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)-3-methylbutyl-D-lysine, Purity by HPLC ≥ 98% | 1272755-33-5 Na-Fmoc-Ne-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)-3-methylbutyl-D-lysine|16193|1272755-33-5 https://www.jk-sci.com/products/s57c4x-192411 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec960faa028a7034ceb703b083c9f36e.jpg?v=1791372674 Urapidil Impurity 11, 92.70% | 91453-03-1 Urapidil Impurity 11|C4X-192411|91453-03-1 https://www.jk-sci.com/products/ts246cs-0085695 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351892_c4844575-9dd1-4e71-9c7e-c09d2cc3173a.png?v=1791329145 2,9-Dimethyl-1,10-phenanthroline hemihydrate, 98% | 34302-69-7 2,9-Dimethyl-1,10-phenanthroline hemihydrate|CS-0085695|34302-69-7 https://www.jk-sci.com/products/s57c4x-19236 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f564c462213b30132e0b9679bec069b2.jpg?v=1791372676 Tetracaine Impurity 6, 99.50% | 92726-05-1 Tetracaine Impurity 6|C4X-19236|92726-05-1 https://www.jk-sci.com/products/s57c4x-192421 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e0ae89c7-a31b-4991-ba83-2b0c6c66a700.png?v=1791372658 Urapidil Impurity 21, 99.90% Urapidil Impurity 21|C4X-192421 https://www.jk-sci.com/products/ts246cs-0085776 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464742_dfbe4429-a84f-4a81-a729-4dddbc62b2af.png?v=1791329085 Isopropyldiphenylphosphine, 97% | 6372-40-3 Isopropyldiphenylphosphine|CS-0085776|6372-40-3 https://www.jk-sci.com/products/s57c4x-192439 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a84862b05eb8a1637352a5deb2b58c58.jpg?v=1791372642 Urapidil Impurity 39, 92.20% | 2568071-92-9 Urapidil Impurity 39|C4X-192439|2568071-92-9 https://www.jk-sci.com/products/s57c4x-192433 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61d5859a5783bec361a9f981847743e4.jpg?v=1791372648 Urapidil Impurity 33, 97.90% | 39615-79-7 Urapidil Impurity 33|C4X-192433|39615-79-7 https://www.jk-sci.com/products/s57c4x-192441 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223581.png?v=1791372639 1-(2-Chlorophenyl)piperazine monohydrochloride, 93.40% | 41202-32-8 1-(2-Chlorophenyl)piperazine monohydrochloride|C4X-192441|41202-32-8 https://www.jk-sci.com/products/s57c4x-19246 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127134.png?v=1791372636 Urapidil Impurity 6, 99.10% | 769-42-6 Urapidil Impurity 6|C4X-19246|769-42-6 https://www.jk-sci.com/products/j5316224 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb5cc5a7f3b11cc4779931d6fe8fc54f.jpg?v=1791412199 Tris-Boc-hydrazine, Purity by HPLC ≥ 99% | 185456-26-2 Tris-Boc-hydrazine|16224|185456-26-2 https://www.jk-sci.com/products/s57c4x-192468 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222be389e8b1bb94a6f20133f4177a3e.jpg?v=1791372631 Urapidil Impurity 68, 91.90% | 1703052-28-1 Urapidil Impurity 68|C4X-192468|1703052-28-1 https://www.jk-sci.com/products/ts246cs-0085991 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b607cda5-a3ef-43b0-9471-2a1c5bdfb4dc.png?v=1791329036 (S)-iPr-Ferrox, 95.00%+ | 162157-03-1 (S)-iPr-Ferrox|CS-0085991|162157-03-1 https://www.jk-sci.com/products/j5316235 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1509e434a0ddd3d794cda551a185a8f2.jpg?v=1791412184 Z-trans-4-aminocyclohexanecarboxylic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 34771-04-5 Z-trans-4-aminocyclohexanecarboxylic acid|16235|34771-04-5 https://www.jk-sci.com/products/ts246cs-0086306 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8a26039a61635d9dfd146578183f0ce.jpg?v=1791328961 (E)-Prop-1-en-1-ylboronic acid, 97% | 7547-97-9 (E)-Prop-1-en-1-ylboronic acid|CS-0086306|7547-97-9 https://www.jk-sci.com/products/ts246cs-0086667 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b09d56553df8bca0a2fcaf687ab2d21a.jpg?v=1791328876 1,1'-(2,6-Pyridinediyl)bis(3-methylimidazolium) dibromide, 98% | 263874-05-1 1,1'-(2,6-Pyridinediyl)bis(3-methylimidazolium) dibromide|CS-0086667|263874-05-1 https://www.jk-sci.com/products/s57c4x-192471 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9451f37f-4ee5-4548-a419-fbeb6e7ef131.png?v=1791372627 Urapidil Impurity 71, Purity: 99.0% Urapidil Impurity 71|C4X-192471 https://www.jk-sci.com/products/ts246cs-0086549 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bf5386da123ec95e6fafbfc748f5fff_27157abe-07ff-49e8-b616-136e89e653c9.jpg?v=1791328892 (R)-2,2'-Bis(bromomethyl)-1,1'-binaphthalene, 97% | 86631-56-3 (R)-2,2'-Bis(bromomethyl)-1,1'-binaphthalene|CS-0086549|86631-56-3 https://www.jk-sci.com/products/ts246cs-0086763 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514ab18966542a8d5888052380078b56_de174270-2745-41b3-a8a1-4acd5dec3c12.jpg?v=1791328850 (R)-[2,3':1',1'':3'',2'''-Quaternaphthalene]-2',2''-diol, 98% | 215433-53-7 (R)-[2,3':1',1'':3'',2'''-Quaternaphthalene]-2',2''-diol|CS-0086763|215433-53-7 https://www.jk-sci.com/products/ts246cs-0086817 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de61c2eeea04b0dccbed43cb7db3fa0f.jpg?v=1791328820 (4-(Isopentyloxy)phenyl)boronic acid, 98% | 1198156-69-2 (4-(Isopentyloxy)phenyl)boronic acid|CS-0086817|1198156-69-2 https://www.jk-sci.com/products/s57c4x-19248 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac1fabac8a493838a1e4f252e7ea102a_d5f4eeea-d17e-42c1-a25a-056c0ac4143f.jpg?v=1791372624 Urapidil Impurity 8, 99.60% | 5464-78-8 Urapidil Impurity 8|C4X-19248|5464-78-8 https://www.jk-sci.com/products/s57c4x-192497 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4be8e374-b8cc-4949-84fc-8862fca92b81.png?v=1791372620 Urapidil Impurity 97, 100.00% Urapidil Impurity 97|C4X-192497 https://www.jk-sci.com/products/j5316258 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/510ef3a4d3964710feb42dc9048abecc.jpg?v=1791412162 Z-pipecolic acid, Purity by HPLC ≥ 98% | 28697-11-2 Z-pipecolic acid|16258|28697-11-2 https://www.jk-sci.com/products/ts246cs-0086824 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153992.png?v=1791328810 (3-Chloro-5-methoxyphenyl)boronic acid, 98% | 915201-07-9 (3-Chloro-5-methoxyphenyl)boronic acid|CS-0086824|915201-07-9 https://www.jk-sci.com/products/ts246cs-0086880 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31e258288e66a46a7e3a057fa02e69de.jpg?v=1791328778 (2-Cyanophenyl)diphenylphosphine, 96% | 34825-99-5 (2-Cyanophenyl)diphenylphosphine|CS-0086880|34825-99-5 https://www.jk-sci.com/products/ts246cs-0086837 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd9d1d56057f023eece432f1c050de4.jpg?v=1791328798 (R)-SYNPHOS, 97% | 445467-61-8 (R)-SYNPHOS|CS-0086837|445467-61-8 https://www.jk-sci.com/products/s57c4x-19252 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/799590b6bae043f8e4357cf8208780c9.jpg?v=1791372615 Travoprost 15-Keto Derivative, 99.00% | 404830-45-1 Travoprost 15-Keto Derivative|C4X-19252|404830-45-1 https://www.jk-sci.com/products/ts246cs-0086920 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ede45fa061aba20cb20fe7f513240092.jpg?v=1791328758 (2R,3R)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol), 97% | 114026-76-5 (2R,3R)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol)|CS-0086920|114026-76-5 https://www.jk-sci.com/products/s57c4x-19254 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fb65e4135572594d7cbce8d0a1ef29b.jpg?v=1791372613 Travoprost 15-EPi Diastereomer, 95.00% | 1420791-14-5 Travoprost 15-EPi Diastereomer|C4X-19254|1420791-14-5 https://www.jk-sci.com/products/ts246cs-0086974 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3562c65d1434698fd1510eeb89c05835.jpg?v=1791328736 (S)-5,?5',?6,?6',?7,?7',?8,?8'-?Octahydro-?3,?3'-?diphenyl-[1,?1'-?binaphthalene]?-?2,?2'-?diol, 98% | 575451-08-0 (S)-5,?5',?6,?6',?7,?7',?8,?8'-?Octahydro-?3,?3'-?diphenyl-[1,?1'-?binaphthalene]?-?2,?2'-?diol|CS-0086974|575451-08-0 https://www.jk-sci.com/products/s57c4x-192555 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150175.png?v=1791372607 Travoprost Impurity 55, 97.30% | 75-03-6 Travoprost Impurity 55|C4X-192555|75-03-6 https://www.jk-sci.com/products/s57c4x-19261 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275450_3939f563-5f84-45e7-b70f-96d4acbda5fe.png?v=1791372605 Cefminox Impurity 1(Cefoperazone EP Impurity C/Cefamandole EP Impurity D), 99.90% | 13183-79-4 Cefminox Impurity 1(Cefoperazone EP Impurity C/Cefamandole EP Impurity D)|C4X-19261|13183-79-4 https://www.jk-sci.com/products/ts246cs-0087072 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bc74a547095b49109fdd742e3e3e1b2.jpg?v=1791328710 (11bR)-N,N-Diethyl-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 97.00%+ | 349103-24-8 (11bR)​-N,​N-Diethyl-dinaphtho[2,​1-​d:1',​2'-​f]​[1,​3,​2]​dioxaphosphepin-​4-​amine|CS-0087072|349103-24-8 https://www.jk-sci.com/products/s57c4x-192714 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823133701e122df822c024913186c67d.jpg?v=1791372602 Rotigotine EP Impurity H HCl, Purity: 99.1% | 1232344-37-4 Rotigotine EP Impurity H HCl|C4X-192714|1232344-37-4 https://www.jk-sci.com/products/s57c4x-19281 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca20da661545982f7784c82679dc7fcb.jpg?v=1791372597 Mepivacaine N-Oxide, 99.20% | 1346597-75-8 Mepivacaine N-Oxide|C4X-19281|1346597-75-8 https://www.jk-sci.com/products/s57c4x-19296 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289292.png?v=1791372595 Mexiletine EP Impurity B, 87.00% | 53012-41-2 Mexiletine EP Impurity B|C4X-19296|53012-41-2 https://www.jk-sci.com/products/ts246cs-0087215 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d289f6786e586b027ad2936fd4544ed.jpg?v=1791328679 (S)?-3,?3'-Diiodo-?[1,?1'-binaphthalene]?-?2,?2'-?diol, 97% | 615247-86-4 (S)?-3,?3'-Diiodo-?[1,?1'-binaphthalene]?-?2,?2'-?diol|CS-0087215|615247-86-4 https://www.jk-sci.com/products/s57c4x-19302 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb5c5434a1466d2b0cc03cd294db3d44.jpg?v=1791372590 Tinidazole EP Impurity B, 99.50% | 25459-12-5 Tinidazole EP Impurity B|C4X-19302|25459-12-5 https://www.jk-sci.com/products/j5316305 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e795faffef739f8243e2aa0f42ba180.jpg?v=1791412152 L-Norleucine amide hydrochloride, Purity by HPLC ≥ 99% | 94787-97-0 L-Norleucine amide hydrochloride|16305|94787-97-0 https://www.jk-sci.com/products/s57c4x-19303 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ed82db09876ff97935300423a5f4fc2.jpg?v=1791372580 Tinidazole Impurity 3, 98.00% | 28795-33-7 Tinidazole Impurity 3|C4X-19303|28795-33-7 https://www.jk-sci.com/products/j5316323 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32ed8b3a487713bf97ac332fdae1e082.jpg?v=1791412143 4-Nitro-D-phenylalanine methyl ester hydrochloride, Purity by HPLC ≥ 98% | 67877-95-6 4-Nitro-D-phenylalanine methyl ester hydrochloride|16323|67877-95-6 https://www.jk-sci.com/products/s57c4x-193026 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09081cff-423b-43e3-a986-f901eb9eb0ae.png?v=1791372584 Tinidazole Impurity 26, Purity: 99.6% Tinidazole Impurity 26|C4X-193026 https://www.jk-sci.com/products/s57c4x-193113 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431881_18c112ad-6be0-4ae6-9e57-deb7bfc22fff.png?v=1791372574 Doxycycline EP Impurity B（HCl）, 93.40% | 3963-95-9 Doxycycline EP Impurity B（HCl）|C4X-193113|3963-95-9 https://www.jk-sci.com/products/ts246cs-0087265 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817a832a4286413d114b5e40e92025a5.jpg?v=1791328659 (S)-BTFM-Garphos, 97% | 1365531-85-6 (S)-BTFM-Garphos|CS-0087265|1365531-85-6 https://www.jk-sci.com/products/s57c4x-19313 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8264d6dd3a4ea0744479b708e37236b6.jpg?v=1791372568 Doxycycline EP Impurity C, 91.40% | 6543-77-7 Doxycycline EP Impurity C|C4X-19313|6543-77-7 https://www.jk-sci.com/products/s57c4x-19316 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/730c091642a4bd438f8340978652d414.jpg?v=1791372568 Doxycycline EP Impurity F, 91.30% | 122861-53-4 Doxycycline EP Impurity F|C4X-19316|122861-53-4 https://www.jk-sci.com/products/s57c4x-193214 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220619.png?v=1791372558 Digoxin EP Impurity A, 95.90% | 71-63-6 Digoxin EP Impurity A|C4X-193214|71-63-6 https://www.jk-sci.com/products/ts246cs-0087403 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96025682ab8c19e5d36964e1300fe926.jpg?v=1791328629 N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine, 97.00%+ | 267431-79-8 N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine|CS-0087403|267431-79-8 https://www.jk-sci.com/products/ts246cs-0087729 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4dd87f98c0c3604a1c9ab6cba1402c4.jpg?v=1791328562 (11bR)?-N-?Methyl-?N-?[(S)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 95% | 874221-90-6 (11bR)?-N-?Methyl-?N-?[(S)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087729|874221-90-6 https://www.jk-sci.com/products/ts246cs-0087828 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c499bddb5a09c6acf623cf1f74571131.jpg?v=1791328542 9-[2-(Diphenylphosphino)phenyl]-9H-carbazole, 97% | 1308652-67-6 9-[2-(Diphenylphosphino)phenyl]-9H-carbazole|CS-0087828|1308652-67-6 https://www.jk-sci.com/products/j5316404 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0022139367f95b797c1dd3e7da36b3f1.jpg?v=1791412129 N-Methyl-L-alanine tert-butyl ester hydrochloride, Purity ≥ 98% (NMR) | 103614-40-0 N-Methyl-L-alanine tert-butyl ester hydrochloride|16404|103614-40-0 https://www.jk-sci.com/products/j5316409 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7e7a18179de6e70ca930a91cc7e419c.jpg?v=1791412120 Na-Methyl-L-tyrosine methyl ester·HCl, Purity by HPLC ≥ 96% | 70963-39-2 Na-Methyl-L-tyrosine methyl ester·HCl|16409|70963-39-2 https://www.jk-sci.com/products/s57c4x-193216 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5d80cb3a-3c1c-4305-9cb8-34070cfab9c1.png?v=1791372556 Dihydrodigoxin (Mixture of Diastereomers), 93.30% Dihydrodigoxin (Mixture of Diastereomers)|C4X-193216 https://www.jk-sci.com/products/ts246cs-0087612 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f255173566aa64a205d2fddb11daf95.jpg?v=1791328579 (11bR)?-N-?Methyl-?N-?[(R)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine, 95% | 1021439-57-5 (11bR)?-N-?Methyl-?N-?[(R)?-?1-phenylethyl]?-?dinaphtho[2,?1-?d:1',?2'-?f]?[1,?3,?2]?dioxaphosphepin-?4-?amine|CS-0087612|1021439-57-5 https://www.jk-sci.com/products/j5316343 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58228ee7a837ee65abff0e2b830e9d17.jpg?v=1791412138 O-tert-Butyl-L-threonine amide hydrochloride, Purity by HPLC ≥ 98% | 1038343-47-3 O-tert-Butyl-L-threonine amide hydrochloride|16343|1038343-47-3 https://www.jk-sci.com/products/s57c4x-19323 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396674.png?v=1791372550 Digoxin EP Impurity J, 98.30% | 5355-48-6 Digoxin EP Impurity J|C4X-19323|5355-48-6 https://www.jk-sci.com/products/j5316482 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8719ecdafbaf27ef1537bd49f3861cf.jpg?v=1791412106 Na-Carbobenzoxy-L-tyrosine-benzyl ester, Purity by HPLC ≥ 99% | 5513-40-6 Na-Carbobenzoxy-L-tyrosine-benzyl ester|16482|5513-40-6 https://www.jk-sci.com/products/ts246cs-0087911 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1cacc037cbfc307df343ed2a2e79ac3.jpg?v=1791328514 3-Methylquinolin-8-ol, 97% | 75457-13-5 3-Methylquinolin-8-ol|CS-0087911|75457-13-5 https://www.jk-sci.com/products/s57c4x-19341 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617653.png?v=1791372538 Prilocaine EP Impurity A, 99.30% | 19281-31-3 Prilocaine EP Impurity A|C4X-19341|19281-31-3 https://www.jk-sci.com/products/s57c4x-19332 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ddf5f69ce8f23e2e5ba1b2773496fe3.jpg?v=1791372548 Fluorometholone Impurity B, 96.90% | 83873-16-9 Fluorometholone Impurity B|C4X-19332|83873-16-9 https://www.jk-sci.com/products/s57c4x-19328 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/357491.png?v=1791372545 Digoxin EP Impurity H, 94.80% | 17575-22-3 Digoxin EP Impurity H|C4X-19328|17575-22-3 https://www.jk-sci.com/products/s57c4x-193419 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da387fd1a9e4fefecc2b59a86a31b29c.jpg?v=1791372532 Prilocaine Impurity 19, 97.90% | 677029-53-7 Prilocaine Impurity 19|C4X-193419|677029-53-7 https://www.jk-sci.com/products/j5316516 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f6488f58d49a3c901cae698cee4d85a.jpg?v=1791412089 (R)-(-)-Boc-3-pyrrolidinol, Purity by GC ≥ 99% | 109431-87-0 (R)-(-)-Boc-3-pyrrolidinol|16516|109431-87-0 https://www.jk-sci.com/products/ts246cs-0087979 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb137af0c09093f46b96af919779baab.jpg?v=1791328493 4-Methoxyfuro[3,2-c]pyridine, 98% | 63618-60-0 4-Methoxyfuro[3,2-c]pyridine|CS-0087979|63618-60-0 https://www.jk-sci.com/products/ts246cs-0088003 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebaa960e3615c1e6115df89a62b40de4.jpg?v=1791328482 6-Methoxy-2-methylquinoline-4-carboxylic acid, 97% | 78533-10-5 6-Methoxy-2-methylquinoline-4-carboxylic acid|CS-0088003|78533-10-5 https://www.jk-sci.com/products/ts246cs-0088010 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d922cdcce1f3d48916561df57af3851b.jpg?v=1791328482 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline, 99.93%+ | 50593-65-2 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline|CS-0088010|50593-65-2 https://www.jk-sci.com/products/s57c4x-193420 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8d5c9df58e19c1ab4c192ee9b4d05d4.jpg?v=1791372531 Prilocaine Impurity 20, 99.50% | 1072844-57-5 Prilocaine Impurity 20|C4X-193420|1072844-57-5 https://www.jk-sci.com/products/s57c4x-193427 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fe8e61ef-a41d-4d3c-afd4-e4d609c092cf.png?v=1791372523 Prilocaine Impurity 27, 96.60% Prilocaine Impurity 27|C4X-193427 https://www.jk-sci.com/products/s57c4x-193429 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_92d8c0a5-aa61-494f-9a96-13b773af9e82.png?v=1791372521 Prilocaine Impurity 29, 97.20% Prilocaine Impurity 29|C4X-193429 https://www.jk-sci.com/products/s57c4x-193430 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed977ac0-fd22-4923-a67e-97548593c5d6.png?v=1791372518 Prilocaine Impurity 30 HCl, 91.20% Prilocaine Impurity 30 HCl|C4X-193430 https://www.jk-sci.com/products/j5316527 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61f50fa762477d11c43df63f808775c1.jpg?v=1791412075 (Z)-3-Bromoacrylic acid, Purity ≥ 98% | 1609-92-3 (Z)-3-Bromoacrylic acid|16527|1609-92-3 https://www.jk-sci.com/products/s57c4x-193438 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0cfc7767-f703-495c-9e59-9d8b74aef5c0.png?v=1791372513 Prilocaine impurity 38, 93.30% | 2729898-89-7 Prilocaine impurity 38|C4X-193438|2729898-89-7 https://www.jk-sci.com/products/s57c4x-19345 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac884685634689149bf755ff63210764.jpg?v=1791372513 Prilocaine EP Impurity F HCl, 98.30% | 13327-14-5 Prilocaine EP Impurity F HCl|C4X-19345|13327-14-5 https://www.jk-sci.com/products/ts246cs-0088056 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339082.png?v=1791328462 2-Amino-2-(3,5-dichlorophenyl)ethan-1-ol, 97% | 372144-00-8 2-Amino-2-(3,5-dichlorophenyl)ethan-1-ol|CS-0088056|372144-00-8 https://www.jk-sci.com/products/s57c4x-193458 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f45ef642-2d3b-4f1e-8515-bd8d9489a6fa.png?v=1791372504 Prilocaine Impurity 58, 97.60% Prilocaine Impurity 58|C4X-193458 https://www.jk-sci.com/products/ts246cs-0088063 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dff787656a14eba46f609fe2775d7d7d.jpg?v=1791328457 1-(3-(Trifluoromethoxy)phenyl)ethanamine, 97% | 477312-25-7 1-(3-(Trifluoromethoxy)phenyl)ethanamine|CS-0088063|477312-25-7 https://www.jk-sci.com/products/s57c4x-19346 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35bd3ea5f0c0f0f28a7735c401463b71.jpg?v=1791372495 Prilocaine Impurity 6 (Lidocaine Impurity 16), 99.70% | 39084-88-3 Prilocaine Impurity 6 (Lidocaine Impurity 16)|C4X-19346|39084-88-3 https://www.jk-sci.com/products/s57c4x-19348 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60644c4f6c3d6385059f00d5886866b4.jpg?v=1791372493 Prilocaine Impurity 8 DiHCl, 92.50% | 13438-26-1 Prilocaine Impurity 8 DiHCl|C4X-19348|13438-26-1 https://www.jk-sci.com/products/ts246cs-0088124 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/894462.png?v=1791328423 Cinnolin-4-ol, 95% | 875-66-1 Cinnolin-4-ol|CS-0088124|875-66-1 https://www.jk-sci.com/products/ts246cs-0088107 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07f9f45b10cb8a795dcfd9adf243cfe6.jpg?v=1791328431 [1,2,4]Triazolo[4,3-a]pyridine, 98% | 274-80-6 [1,2,4]Triazolo[4,3-a]pyridine|CS-0088107|274-80-6 https://www.jk-sci.com/products/j5316536 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24f252aae7f04c7243a421b571f3b284.jpg?v=1791412065 Boc-cis-4-fluoro-L-proline, Purity by HPLC ≥ 97% | 203866-13-1 Boc-cis-4-fluoro-L-proline|16536|203866-13-1 https://www.jk-sci.com/products/s57c4x-193534 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecd4c0a9cb411f70135f42dc146a89f7.jpg?v=1791372480 Vilanterol Impurity 34, Purity: 99.7% | 503070-64-2 Vilanterol Impurity 34|C4X-193534|503070-64-2 https://www.jk-sci.com/products/s57c4x-193516 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_262b3add-55f8-4ff5-aab9-1cdbd9ebe5dd.png?v=1791372485 Vilanterol Impurity 16, 99.60% Vilanterol Impurity 16|C4X-193516 https://www.jk-sci.com/products/ts246cs-0088160 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1561629f475241478db1c791936b14d7.jpg?v=1791328397 3,8-Bis[3,5-bis(trifluoromethyl)phenyl]-1,10-phenanthroline, 97% | 1228032-35-6 3,8-Bis[3,5-bis(trifluoromethyl)phenyl]-1,10-phenanthroline|CS-0088160|1228032-35-6 https://www.jk-sci.com/products/s57c4x-193553 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79c7c298-421e-48ba-99bf-10422f748521.png?v=1791372480 Vilanterol-d4 Triphenylacetate, Purity: 99.4% Vilanterol-d4 Triphenylacetate|C4X-193553 https://www.jk-sci.com/products/s57c4x-193613 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141833.png?v=1791372475 Dequalinium Impurity 13, 99.20% | 634-38-8 Dequalinium Impurity 13|C4X-193613|634-38-8 https://www.jk-sci.com/products/ts246cs-0088257 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fda41830276a2c2eb846a5d921c93ffc.jpg?v=1791328381 8-Fluoro-2-methylquinoline, 98% | 46001-36-9 8-Fluoro-2-methylquinoline|CS-0088257|46001-36-9 https://www.jk-sci.com/products/s57c4x-193631 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_179d39b4-553f-4221-9e56-7ca542af7c08.png?v=1791372468 Dequalinium EP Impurity B TFA, 91.30% Dequalinium EP Impurity B TFA|C4X-193631 https://www.jk-sci.com/products/ts246cs-0088295 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/641de02454f6b9a29762bd217205acfa.jpg?v=1791328363 (S)-Ph-Quinox, 97% | 1252576-13-8 (S)-Ph-Quinox|CS-0088295|1252576-13-8 https://www.jk-sci.com/products/ts246cs-0088316 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dd5e552483af3d48a1acf095dc65257.jpg?v=1791328343 (1-Phenylcyclopropyl)methanol, 98% | 31729-66-5 (1-Phenylcyclopropyl)methanol|CS-0088316|31729-66-5 https://www.jk-sci.com/products/s57c4x-19365 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288997.png?v=1791372466 Dequalinium Impurity 5, 96.80% | 51309-10-5 Dequalinium Impurity 5|C4X-19365|51309-10-5 https://www.jk-sci.com/products/ts246cs-0088412 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f1b1b0da917b3b798bea652a60a78dc.jpg?v=1791328291 CH2COOH-PEG3-CH2COOH, 97.00%+ | 32775-08-9 CH2COOH-PEG3-CH2COOH|CS-0088412|32775-08-9 https://www.jk-sci.com/products/ts246cs-0088394 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b94dfce5fd0f938cae651f7484be4374.jpg?v=1791328307 1-(4-(Trifluoromethyl)phenyl)cyclopropanecarbonitrile, 97% | 124276-61-5 1-(4-(Trifluoromethyl)phenyl)cyclopropanecarbonitrile|CS-0088394|124276-61-5 https://www.jk-sci.com/products/ts246cs-0088459 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af418dfd30c64bd76476d59b753f9bce.jpg?v=1791328283 2,3-Dihydro-1H-inden-5-amine, 98% | 24425-40-9 2,3-Dihydro-1H-inden-5-amine|CS-0088459|24425-40-9 https://www.jk-sci.com/products/ts246cs-0088492 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e65bfd8dd36689b56b9d8bf55b024528.jpg?v=1791328274 tert-Butyl 5-bromo-3-iodo-1H-indazole-1-carboxylate, 98% | 459133-68-7 tert-Butyl 5-bromo-3-iodo-1H-indazole-1-carboxylate|CS-0088492|459133-68-7 https://www.jk-sci.com/products/s57c4x-19375 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459915063f092d451aa02e2682271a80.jpg?v=1791372462 Daunorubicin EP Impurity E, 97.70% | 28008-51-7 Daunorubicin EP Impurity E|C4X-19375|28008-51-7 https://www.jk-sci.com/products/j5316538 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9680dfb073612357978d897a8a02754.jpg?v=1791412065 Boc-4,4-Difluoro-L-proline, Purity by HPLC ≥ 98% | 203866-15-3 Boc-4,4-Difluoro-L-proline|16538|203866-15-3 https://www.jk-sci.com/products/s57c4x-193811 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e4f297f0-395a-4d98-9dcd-112141796ab1.png?v=1791372459 Pimavanserin Impurity 11, Purity: 100.0% Pimavanserin Impurity 11|C4X-193811 https://www.jk-sci.com/products/s57c4x-193818 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_82bd73f9-931e-4e50-94b2-517d47c8c94e.png?v=1791372455 Pimavanserin Impurity 18, 99.20% Pimavanserin Impurity 18|C4X-193818 https://www.jk-sci.com/products/ts246cs-0088571 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/176ddf4fa230030140cdd9da07c246bb.jpg?v=1791328228 2-(4-Methoxy-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97.00%+ | 214360-63-1 2-(4-Methoxy-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0088571|214360-63-1 https://www.jk-sci.com/products/s57c4x-193822 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_50ea8219-b63f-4f8c-ad1e-856b5e260255.png?v=1791372450 Pimavanserin Impurity 22, Purity: 97.8% Pimavanserin Impurity 22|C4X-193822 https://www.jk-sci.com/products/s57c4x-193824 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98f429801fc1f2106a9f3613ce66e354.jpg?v=1791372447 Pimavanserin Impurity 24, 99.30% | 5203-15-6 Pimavanserin Impurity 24|C4X-193824|5203-15-6 https://www.jk-sci.com/products/ts246cs-0088577 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/992a3166393f9c4d400a4ce23aeb671f.jpg?v=1791328222 (S)-1-Amino-8-(diphenylphosphino)-1,2,3,4-tetrahydronaphthalene, 97% | 1222630-45-6 (S)-1-Amino-8-(diphenylphosphino)-1,2,3,4-tetrahydronaphthalene|CS-0088577|1222630-45-6 https://www.jk-sci.com/products/ts246cs-0088535 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387108.png?v=1791328250 Methyl 2-(m-tolyl)acetate, 97.31%+ | 53088-69-0 Methyl 2-(m-tolyl)acetate|CS-0088535|53088-69-0 https://www.jk-sci.com/products/j5316543 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b2c2dea477d04486e5ff7c776524f70.jpg?v=1791412055 Ethyl(2-oxo-cyclopentyl)acetate, Purity by HPLC ≥ 97% | 20826-94-2 Ethyl(2-oxo-cyclopentyl)acetate|16543|20826-94-2 https://www.jk-sci.com/products/ts246cs-0088589 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7937aff3c0e4ee8143648feb7299e85.jpg?v=1791328216 2-(2,6-Difluoro-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 96% | 1111096-19-5 2-(2,6-Difluoro-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0088589|1111096-19-5 https://www.jk-sci.com/products/s57c4x-193829 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d92f1940fb662a3d2f7c266ec9940a07_65769369-c546-4d5e-be2d-89ed98612abc.jpg?v=1791372442 Pimavanserin tartaric acid, 98.90% | 706782-28-7 Pimavanserin tartaric acid|C4X-193829|706782-28-7 https://www.jk-sci.com/products/s57c4x-193831 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238130_3c8839e3-6c8e-493b-93cf-397d2decf686.png?v=1791372439 Pimavanserin Impurity 31, Purity: 98.0% | 696-60-6 Pimavanserin Impurity 31|C4X-193831|696-60-6 https://www.jk-sci.com/products/ts246cs-0088766 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ec9d4ebe6c4d342738c46d0df728fff.jpg?v=1791328186 [Ru(bpm)3][Cl]2, 98% | 65034-88-0 [Ru(bpm)3][Cl]2|CS-0088766|65034-88-0 https://www.jk-sci.com/products/s57c4x-19386 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/674918f4f32bee519907684a4ba0db5e.jpg?v=1791372426 Pimavanserin Impurity 6, 97.50% | 359878-47-0 Pimavanserin Impurity 6|C4X-19386|359878-47-0 https://www.jk-sci.com/products/j5316550 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dee34913e86b9fa60acb06471fa1a73.jpg?v=1791412050 L-Norvalinol, Purity by GC ≥ 99% | 22724-81-8 L-Norvalinol|16550|22724-81-8 https://www.jk-sci.com/products/s57c4x-193852 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f215d3a-1b4f-4049-a717-8ed2209fe3e2.png?v=1791372431 Pimavanserin Impurity 52, 94.50% Pimavanserin Impurity 52|C4X-193852 https://www.jk-sci.com/products/ts246cs-0088664 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/219012.png?v=1791328200 4-(2-Chloropyrimidin-4-yl)morpholine, 98% | 62968-37-0 4-(2-Chloropyrimidin-4-yl)morpholine|CS-0088664|62968-37-0 https://www.jk-sci.com/products/s57c4x-193848 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0789b441-285d-4a3d-ac04-bffc757fc981.png?v=1791372432 Pimavanserin Impurity 48, Purity: 99.4% Pimavanserin Impurity 48|C4X-193848 https://www.jk-sci.com/products/ts246cs-0088874 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2a87e307c61b081806b9505d48e1d46.jpg?v=1791328165 (8-Methylnaphthalen-1-yl)boronic acid, 97% | 948592-91-4 (8-Methylnaphthalen-1-yl)boronic acid|CS-0088874|948592-91-4 https://www.jk-sci.com/products/ts246cs-0088993 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549f2857b5acd7457b6ba63bfce1a09c.jpg?v=1791328133 5-Chlorothiazolo[5,4-b]pyridin-2-amine, 97.91%+ | 31784-71-1 5-Chlorothiazolo[5,4-b]pyridin-2-amine|CS-0088993|31784-71-1 https://www.jk-sci.com/products/s57c4x-193864 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e798e8c6-429e-4a12-8354-d5956542d8c4.png?v=1791372424 Pimavanserin impurity 64, 95.40% Pimavanserin impurity 64|C4X-193864 https://www.jk-sci.com/products/s57c4x-19387 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56c1a29d-4533-4edb-87a1-52dfe7476860.png?v=1791372419 Pimavanserin Impurity 7, 96.20% Pimavanserin Impurity 7|C4X-19387 https://www.jk-sci.com/products/j5316558 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f8c4e8083a8a56c0db5bbd083ccabf1.jpg?v=1791412034 4-cis-Fluoro-L-prolinamide hydrochloride, Purity by HPLC ≥ 98% | 426844-23-7 4-cis-Fluoro-L-prolinamide hydrochloride|16558|426844-23-7 https://www.jk-sci.com/products/s57c4x-1939 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279620.png?v=1791372415 Fenbufen, 99.60% | 36330-85-5 Fenbufen|C4X-1939|36330-85-5 https://www.jk-sci.com/products/ts246cs-0089039 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f02d2d0ce0f41706ea45a10c57a673e.jpg?v=1791328123 (3-Methylpyrazin-2-yl)methanamine hydrochloride, 96% | 1523618-20-3 (3-Methylpyrazin-2-yl)methanamine hydrochloride|CS-0089039|1523618-20-3 https://www.jk-sci.com/products/s57c4x-19412 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581195.png?v=1791372414 15-Keto Latanoprost, 98.60% | 135646-98-9 15-Keto Latanoprost|C4X-19412|135646-98-9 https://www.jk-sci.com/products/s57c4x-19415 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260118.png?v=1791372409 15(S)-Latanoprost, 99.40% | 145773-22-4 15(S)-Latanoprost|C4X-19415|145773-22-4 https://www.jk-sci.com/products/ts246cs-0089088 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a25a7d0df37937d613b3032f104bdea4.jpg?v=1791328112 Dimethyl [2,2'-bipyridine]-5,5'-dicarboxylate, 95% | 1762-45-4 Dimethyl [2,2'-bipyridine]-5,5'-dicarboxylate|CS-0089088|1762-45-4 https://www.jk-sci.com/products/ts246cs-0079059 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a6078e73d011f0e0477685ce2278945.jpg?v=1791330648 (S)-tert-Butyl 2-methylaziridine-1-carboxylate, 98% | 197020-60-3 (S)-tert-Butyl 2-methylaziridine-1-carboxylate|CS-0079059|197020-60-3 https://www.jk-sci.com/products/ts246cs-0089094 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e6bed0de3693e8f9fb3508ba14b984d.jpg?v=1791328107 Diethyl [2,2'-bipyridine]-6,6'-dicarboxylate, 98% | 65739-40-4 Diethyl [2,2'-bipyridine]-6,6'-dicarboxylate|CS-0089094|65739-40-4 https://www.jk-sci.com/products/ts246cs-0083822 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3892fdfed557265391e546c59dcb38e.jpg?v=1791329782 (S)-1-(5-Fluoro-2-methoxyphenyl)ethan-1-ol, 97% | 156597-64-7 (S)-1-(5-Fluoro-2-methoxyphenyl)ethan-1-ol|CS-0083822|156597-64-7 https://www.jk-sci.com/products/ts246cs-0084667 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42bcb2826e4f564b5671fafdc69bbd20.jpg?v=1791329530 Dichlorotris(1,10-phenanthroline)ruthenium(II) hydrate, 98% | 207802-45-7 Dichlorotris(1,10-phenanthroline)ruthenium(II) hydrate|CS-0084667|207802-45-7 https://www.jk-sci.com/products/ts246cs-0085215 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca51044ec8127291ada84b7071db811.jpg?v=1791329341 (1S,2S)-N,N-Bis[2-(diphenylphosphino)benzyl]cyclohexane-1,2-diamine, 95% | 174677-83-9 (1S,2S)-N,N-Bis[2-(diphenylphosphino)benzyl]cyclohexane-1,2-diamine|CS-0085215|174677-83-9 https://www.jk-sci.com/products/s57c4x-19422 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd71bc5985cefff65a021ff9b94d18c8.jpg?v=1791372403 Phenobarbital EP Impurity C, 98.50% | 76-94-8 Phenobarbital EP Impurity C|C4X-19422|76-94-8 https://www.jk-sci.com/products/ts246cs-0085370 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e34c94bc2e38d50b2bfc3aa203236a3.jpg?v=1791329227 tert-Butyl 5-bromo-3-methyl-1H-indazole-1-carboxylate, 95% | 552331-49-4 tert-Butyl 5-bromo-3-methyl-1H-indazole-1-carboxylate|CS-0085370|552331-49-4 https://www.jk-sci.com/products/ts246cs-0085711 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87f1d0c12b3d5e5adafa06d14eef1c35.jpg?v=1791329125 4,4'-Dichloro-2,2'-bipyridine, 97% | 1762-41-0 4,4'-Dichloro-2,2'-bipyridine|CS-0085711|1762-41-0 https://www.jk-sci.com/products/ts246cs-0086043 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514ec937a0b988355b73f01c99e1a271.jpg?v=1791328998 Dichloro[(±)?BINAP]digold(I), 95% | 685138-48-1 Dichloro[(±)?BINAP]digold(I)|CS-0086043|685138-48-1 https://www.jk-sci.com/products/s57c4x-194612 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/324039db12d2515434bb2bc5dcbb2d25.jpg?v=1791372387 Glucosamine sulfate Impurity 12, 99.80% | 17460-13-8 Glucosamine sulfate Impurity 12|C4X-194612|17460-13-8 https://www.jk-sci.com/products/s57c4x-19461 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387023_9d8c588b-1d1c-4320-9542-2a4a13ceb105.png?v=1791372391 Glucosamine Sulfate EP Impurity A, 99.50% | 7512-17-6 Glucosamine Sulfate EP Impurity A|C4X-19461|7512-17-6 https://www.jk-sci.com/products/s57c4x-194614 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557311.png?v=1791372381 Glucosamine sulfate Impurity 14, 99.50% | 290-37-9 Glucosamine sulfate Impurity 14|C4X-194614|290-37-9 https://www.jk-sci.com/products/s57c4x-19426 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323286e98f6f6e3c73c8b7e569accce1.jpg?v=1791372401 Phenobarbital Impurity6, Purity: 99.1% | 130690-55-0 Phenobarbital Impurity6|C4X-19426|130690-55-0 https://www.jk-sci.com/products/s57c4x-194616 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2ff7f91a10457272d42ae60276818ca.jpg?v=1791372396 Glucosamine Sulfate Sodium Chloride, 61.10% | 1296149-13-7 Glucosamine Sulfate Sodium Chloride|C4X-194616|1296149-13-7 https://www.jk-sci.com/products/ts246cs-0086637 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1561127_5d25a87e-076d-4310-82e1-b0e46628d278.png?v=1791328881 (4S,4'S)-2,2'-Cyclopentylidenebis[4,5-dihydro-4-(phenylmethyl)oxazole], 95% | 1003886-05-2 (4S,4'S)-2,2'-Cyclopentylidenebis[4,5-dihydro-4-(phenylmethyl)oxazole]|CS-0086637|1003886-05-2 https://www.jk-sci.com/products/s57c4x-1948 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416442.png?v=1791372368 Methylergonovine Maleate, 99.50% | 57432-61-8 Methylergonovine Maleate|C4X-1948|57432-61-8 https://www.jk-sci.com/products/s57c4x-194624 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c3d3a385b4fc7827a3ef220ed18c1ca.jpg?v=1791372370 Glucosamine sulfate impurity 24, 97.00% | 6082-29-7 Glucosamine sulfate impurity 24|C4X-194624|6082-29-7 https://www.jk-sci.com/products/s57c4x-195111 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2516939f-98ae-463c-8b27-18dd774ecc5e.png?v=1791372359 Fluvoxamine Impurity 11, 91.40% Fluvoxamine Impurity 11|C4X-195111 https://www.jk-sci.com/products/ts246cs-0086805 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb53d9247cd4ee4a4167723b1132ad27.jpg?v=1791328831 5-Bromo-2-(piperidin-1-yl)-3-(trifluoromethyl)pyridine, 98% | 2151398-06-8 5-Bromo-2-(piperidin-1-yl)-3-(trifluoromethyl)pyridine|CS-0086805|2151398-06-8 https://www.jk-sci.com/products/s57c4x-195120 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d5368c1f82f4eff962a61e38047b0c1.jpg?v=1791372358 Fluvoxamine EP Impurity E, 92.30% | 1217214-94-2 Fluvoxamine EP Impurity E|C4X-195120|1217214-94-2 https://www.jk-sci.com/products/s57c4x-195122 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_67a1429e-e78b-417f-ac98-e8ef8c343160.png?v=1791372353 Fluvoxamine Maleate EP Impurity J, 96.20% Fluvoxamine Maleate EP Impurity J|C4X-195122 https://www.jk-sci.com/products/s57c4x-195125 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd800463bce6f0c47aca93fb12415daa.jpg?v=1791372349 Fluvoxamine maleate-Z-Isomers, 91.40% | 89035-92-7 Fluvoxamine maleate-Z-Isomers|C4X-195125|89035-92-7 https://www.jk-sci.com/products/ts246cs-0086828 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc4a81805607772e758c4ee9a88f934c.jpg?v=1791328805 4-Bromothiophene-3-carboxamide, 97% | 100245-61-2 4-Bromothiophene-3-carboxamide|CS-0086828|100245-61-2 https://www.jk-sci.com/products/j5316569 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8b51a2e429279dcc5261dfc8be6678c.jpg?v=1791412019 L-Norleucinol, Purity by GC ≥ 97% | 80696-29-3 L-Norleucinol|16569|80696-29-3 https://www.jk-sci.com/products/s57c4x-195131 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb10b1a7-0726-4d0c-9cb7-00e7d0882592.png?v=1791372346 Fluvoxamine Impurity 31, 98.70% Fluvoxamine Impurity 31|C4X-195131 https://www.jk-sci.com/products/s57c4x-19515 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37a13c5097bf87a1b5079cdfa849cc6b.jpg?v=1791372343 Fluvoxamine EP Impurity J, Purity: 98.1% | 1217241-15-0 Fluvoxamine EP Impurity J|C4X-19515|1217241-15-0 https://www.jk-sci.com/products/ts246cs-0086911 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb77785e7e19d8597dfb83f7ad1bc690.jpg?v=1791328761 3-(Benzyloxy)-2-nitrophenol, 98% | 213685-59-7 3-(Benzyloxy)-2-nitrophenol|CS-0086911|213685-59-7 https://www.jk-sci.com/products/s57c4x-19517 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b507c18-d614-48b5-889d-da2210d4bf10.png?v=1791372339 Fluvoxamine EP Impurity A, 97.80% Fluvoxamine EP Impurity A|C4X-19517 https://www.jk-sci.com/products/s57c4x-19521 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b15552099f6d5151fd3ff0b37bd49274.jpg?v=1791372337 Diazoxide Impurity 1, Purity: 98.8% | 5800-59-9 Diazoxide Impurity 1|C4X-19521|5800-59-9 https://www.jk-sci.com/products/s57c4x-195511 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd47d85429f060a48d81a8c4ae669653.jpg?v=1791372333 Tolvaptan Impurity 11, 99.90% | 137977-97-0 Tolvaptan Impurity 11|C4X-195511|137977-97-0 https://www.jk-sci.com/products/s57c4x-16512 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/647b9440f312b443da4e17964b3d7201.jpg?v=1791375908 Fluvastatin EP Impurity B, 98.50% | 194934-96-8 Fluvastatin EP Impurity B|C4X-16512|194934-96-8 https://www.jk-sci.com/products/s57c4x-179253 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_baaf5b2c-b3fa-423d-9596-c7f87af56ec1.png?v=1791374346 Indobufen Impurity 53, 97.00% Indobufen Impurity 53|C4X-179253 https://www.jk-sci.com/products/j5316576 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f00fd4b3e02761af8371b68a78637fa2.jpg?v=1791412009 Boc-cis-4-hydroxy-L-proline | 87691-27-8 Boc-cis-4-hydroxy-L-proline|16576|87691-27-8 https://www.jk-sci.com/products/ts246cs-0087043 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570ee84050242098c6748f6dfc597597.jpg?v=1791328721 (R)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-bis[4-(trifluoromethyl)phenyl]-[1,1'-binaphthalene]-2,2'-diol, 98.00%+ | 791616-69-8 (R)​-5,​5',​6,​6',​7,​7',​8,​8'-​Octahydro-​3,​3'-​bis[4-​(trifluoromethyl)​phenyl]​-[1,​1'-​binaphthalene]​-​2,​2'-​diol|CS-0087043|791616-69-8 https://www.jk-sci.com/products/s57c4x-181436 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41d6306df08e31d20b416b6e9743d34.jpg?v=1791374033 Nintedanib Impurity 36, 98.70% | 1160293-27-5 Nintedanib Impurity 36|C4X-181436|1160293-27-5 https://www.jk-sci.com/products/ts246cs-0087220 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d16d939747c6243d9dfa52ff8abe10b0.jpg?v=1791328670 (R)-3,3'-Bis[4-(trifluoromethyl)phenyl]-[1,1'-binaphthalene]-2,2'-diol, 97.00%+ | 791616-58-5 (R)-3,3'-Bis[4-(trifluoromethyl)phenyl]-[1,1'-binaphthalene]-2,2'-diol|CS-0087220|791616-58-5 https://www.jk-sci.com/products/s57c4x-182648 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1af7f80e55a69b644496bb85995d9698.jpg?v=1791373860 Iguratimod Impurity 48, 99.10% | 123663-50-3 Iguratimod Impurity 48|C4X-182648|123663-50-3 https://www.jk-sci.com/products/s57c4x-183567 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9559ba40-87eb-4cb7-8d4d-52f370684f37.png?v=1791373723 N-nitroso hydroxychloroquine EP Impurity C, 86.00% N-nitroso hydroxychloroquine EP Impurity C|C4X-183567 https://www.jk-sci.com/products/s57c4x-190870 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00f543a90ef2d14166e798892fff3b2a_b860f94c-55f5-4776-9dfe-f6982d80f49c.jpg?v=1791372924 Dopamine Impurity 70, 97.00% | 528594-30-1 Dopamine Impurity 70|C4X-190870|528594-30-1 https://www.jk-sci.com/products/s57c4x-189128 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00c4555e-cf33-47f1-8b95-21e7b852f06c.png?v=1791373157 Esmolol Impurity 28 DiHCl, 92.30% Esmolol Impurity 28 DiHCl|C4X-189128 https://www.jk-sci.com/products/s57c4x-18757 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_95265492-1c0c-458d-828a-f6f90722fe68.png?v=1791373261 Tandospirone Impurity 7, 94.30% Tandospirone Impurity 7|C4X-18757 https://www.jk-sci.com/products/s57c4x-188428 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb5f126d4a842e7f4ee814995f0685c1.jpg?v=1791373191 Etomidate EP Impurity A, 99.10% | 7036-56-8 Etomidate EP Impurity A|C4X-188428|7036-56-8 https://www.jk-sci.com/products/s57c4x-184921 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143586_2f902090-53e0-4094-a44e-539f50103d81.png?v=1791373563 Epinephrine Impurity 21, Purity: 97.2% | 16899-83-5 Epinephrine Impurity 21|C4X-184921|16899-83-5 https://www.jk-sci.com/products/ts246cs-0087539 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2dc5748c92095d106c20ea45b17cc261_233850b7-3f3a-4808-807d-ba7b91285d58.jpg?v=1791328599 (R)-iPr-iQuinox, 95% | 280755-83-1 (R)-iPr-iQuinox|CS-0087539|280755-83-1 https://www.jk-sci.com/products/j5316586 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2153e1f89e33a7f1f2cac09168debc62.jpg?v=1791412000 Boc-trans-4-fluoro-5-oxo-L-proline methyl ester, Purity by HPLC ≥ 95% (HPLC) | 1268729-75-4 Boc-trans-4-fluoro-5-oxo-L-proline methyl ester|16586|1268729-75-4 https://www.jk-sci.com/products/ts246cs-0087976 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6197adfd4f1d92ab85def2ae893bc746.jpg?v=1791328493 3-Bromofuro[3,2-c]pyridine, 97% | 92404-70-1 3-Bromofuro[3,2-c]pyridine|CS-0087976|92404-70-1 https://www.jk-sci.com/products/s57c4x-190824 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/913916_4d640f9a-44e7-47aa-9117-a2ed24eac165.png?v=1791372949 Dopamine Impurity 24, Purity: 98.1% | 1477-68-5 Dopamine Impurity 24|C4X-190824|1477-68-5 https://www.jk-sci.com/products/ts246cs-0088005 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ab26f3880bad05aabdae9ce14cc1581.jpg?v=1791328482 tert-Butyl 6-formyl-3,4-dihydroisoquinoline-2(1H)-carboxylate, 98% | 371222-37-6 tert-Butyl 6-formyl-3,4-dihydroisoquinoline-2(1H)-carboxylate|CS-0088005|371222-37-6 https://www.jk-sci.com/products/s57c4x-19073 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ea390eb2ae8fdb34889b5c4f6a64859.jpg?v=1791373004 Nicorandil EP Impurity C Nitrate, 94.20% | 88598-33-8 Nicorandil EP Impurity C Nitrate|C4X-19073|88598-33-8 https://www.jk-sci.com/products/s57c4x-18955 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0b24aa79-9fcd-45c4-b54a-67fd7f03eb15.png?v=1791373088 Flupentixol EP Impurity E (E and Z Mixture) HCl, 82.60% Flupentixol EP Impurity E (E and Z Mixture) HCl|C4X-18955 https://www.jk-sci.com/products/s57c4x-18739 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aa28f65cba1e990ee2c1f6e87bb2164.jpg?v=1791373312 Thiamine nitrate EP Impurity F, 95.40% | 6309-04-2 Thiamine nitrate EP Impurity F|C4X-18739|6309-04-2 https://www.jk-sci.com/products/s57c4x-187758 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ca1428d0-561d-49ca-8d05-4a85f8de5858.png?v=1791373227 Pyridoxine Impurity 39 HCl, 93.70% Pyridoxine Impurity 39 HCl|C4X-187758 https://www.jk-sci.com/products/s57c4x-185815 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26876e63-4d5b-472b-88be-61ff910f8914.png?v=1791373432 Trimebutine Impurity 15, 98.90% Trimebutine Impurity 15|C4X-185815 https://www.jk-sci.com/products/ts246cs-0088115 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0bc513f22ab86e522d7ecb6d3262709.jpg?v=1791328425 (R,R)-PINAP, 95.00%+ | 828927-97-5 (R,R)-PINAP|CS-0088115|828927-97-5 https://www.jk-sci.com/products/ts246cs-0087750 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8abef785-dedc-4a43-ab8d-0e62df45a1ac.png?v=1791328557 (2,2'-Bipyridine)bis[2-(2,4-difluorophenyl)pyridine]iridium(III) hexafluorophosphate, 95% | 864163-80-4 (2,2'-Bipyridine)bis[2-(2,4-difluorophenyl)pyridine]iridium(III) hexafluorophosphate|CS-0087750|864163-80-4 https://www.jk-sci.com/products/s57c4x-184211 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c270484d5bcc07614846e07ac1dd454a.jpg?v=1791373623 Paclitaxel EP Impurity K, 99.60% | 148930-55-6 Paclitaxel EP Impurity K|C4X-184211|148930-55-6 https://www.jk-sci.com/products/ts246cs-0088061 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5892657c552b2954d4a763188f30efe.jpg?v=1791328462 4-Bromo-2-methoxy-1-(trifluoromethoxy)benzene, 97.71%+ | 672948-65-1 4-Bromo-2-methoxy-1-(trifluoromethoxy)benzene|CS-0088061|672948-65-1 https://www.jk-sci.com/products/s57c4x-185069 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e23de403c9a587b6c65c7c1ea0a1918.jpg?v=1791373502 (S)-Laudanosine, 99.10% | 2688-77-9 (S)-Laudanosine|C4X-185069|2688-77-9 https://www.jk-sci.com/products/s57c4x-19076 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ed02beed7403ecfbda8fa5f23f29c0.jpg?v=1791372971 Nicorandil N-Oxide, 99.00% | 107833-98-7 Nicorandil N-Oxide|C4X-19076|107833-98-7 https://www.jk-sci.com/products/s57c4x-189213 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f1ec50680ca70fc1e0e0a382124cda5.jpg?v=1791373119 Calcifediol Impurity 13, 92.50% | 22145-68-2 Calcifediol Impurity 13|C4X-189213|22145-68-2 https://www.jk-sci.com/products/s57c4x-190319 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f1de478-8d39-4551-b847-b4b917477637.png?v=1791373053 Lenalidomide Impurity 19, Purity: 96.5% Lenalidomide Impurity 19|C4X-190319 https://www.jk-sci.com/products/s57c4x-18643 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233548_a28db77a-8d46-4464-bd18-307ad9f3f940.png?v=1791373357 Fosphenytoin Sodium, 99.00% | 92134-98-0 Fosphenytoin Sodium|C4X-18643|92134-98-0 https://www.jk-sci.com/products/ts246cs-0088236 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156010_0b3e575d-9d92-4601-afe2-841849854531.png?v=1791328390 Ethanolamine (hydrochloride), 97% | 2002-24-6 Ethanolamine (hydrochloride)|CS-0088236|2002-24-6 https://www.jk-sci.com/products/s57c4x-19093 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487562_be8da6c3-893b-43c9-b49d-62800bafc160.png?v=1791372896 Sulfamethoxazole EP Impurity C, 94.70% | 1072-67-9 Sulfamethoxazole EP Impurity C|C4X-19093|1072-67-9 https://www.jk-sci.com/products/s57c4x-19126 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9c79c6bf-4e86-4a01-9bf0-79799eb7ae29.png?v=1791372845 Articaine EP Impurity E HCl, 99.80% Articaine EP Impurity E HCl|C4X-19126 https://www.jk-sci.com/products/ts246cs-0088305 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d07c4c7fa6fa7dd119af2a9bb0b5dd7.jpg?v=1791328353 1-(2-Fluorophenyl)cyclopropanecarbonitrile, 97% | 97009-38-6 1-(2-Fluorophenyl)cyclopropanecarbonitrile|CS-0088305|97009-38-6 https://www.jk-sci.com/products/j5316597 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62ef1f4531fa256619ff737b52709184.jpg?v=1791411988 (S)-(+)-1-Amino-1-phenyl-2-methoxyethane, Purity ≥ 98% | 91298-74-7 (S)-(+)-1-Amino-1-phenyl-2-methoxyethane|16597|91298-74-7 https://www.jk-sci.com/products/s57c4x-191213 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa5c7d6e8704645469e324e848d6c6ae.jpg?v=1791372865 Articaine EP Impurity B, 97.80% | 114176-52-2 Articaine EP Impurity B|C4X-191213|114176-52-2 https://www.jk-sci.com/products/s57c4x-191130 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_36356aa4-0162-49fb-869e-64991bd8e9da.png?v=1791372882 β-Asp5-Carbetocin, 86.80% β-Asp5-Carbetocin|C4X-191130 https://www.jk-sci.com/products/s57c4x-191321 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1207f943edaf44adc88c7fb9ec3ab48.jpg?v=1791372830 Rasagiline Impurity 21 HCl, 93.20% | 1175018-80-0 Rasagiline Impurity 21 HCl|C4X-191321|1175018-80-0 https://www.jk-sci.com/products/ts246cs-0088404 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6a85efc86d850d53ec53b2aff481f12.jpg?v=1791328292 (11bR)-N-benzyl-N-methyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 95% | 1221902-06-2 (11bR)-N-benzyl-N-methyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0088404|1221902-06-2 https://www.jk-sci.com/products/s57c4x-19137 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201943_adf71355-4a5a-4cce-b821-ab21c8b8fe6c.png?v=1791372813 Rasagiline Impurity 7, 99.10% | 6351-10-6 Rasagiline Impurity 7|C4X-19137|6351-10-6 https://www.jk-sci.com/products/s57c4x-19168 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bdb5e5da-cdf4-45af-910c-b28474182352.png?v=1791372794 Selegiline Impurity 8, Purity: 99.9% Selegiline Impurity 8|C4X-19168 https://www.jk-sci.com/products/s57c4x-191915 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3a8f059112182515568ff7807140a4a.jpg?v=1791372785 Methylprednisolone Hydrogen Succinate EP Impurity B, 97.40% | 77074-42-1 Methylprednisolone Hydrogen Succinate EP Impurity B|C4X-191915|77074-42-1 https://www.jk-sci.com/products/s57c4x-191938 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d6d466a51bd88990854c53cb75cbac1.jpg?v=1791372767 Methylprednisolone Hydrogen Succinate EP Impurity D, 98.70% | 119657-85-1 Methylprednisolone Hydrogen Succinate EP Impurity D|C4X-191938|119657-85-1 https://www.jk-sci.com/products/s57c4x-192034 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a369d95f-9acc-4b18-8d6f-7fbb238489ce.png?v=1791372733 Goserelin BP Impurity 4 Acetate, 88.30% Goserelin BP Impurity 4 Acetate|C4X-192034 https://www.jk-sci.com/products/s57c4x-19201 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7e63bb41-99c8-4778-9552-0f37e8c1e9ec.png?v=1791372751 Goserelin EP Impurity A Acetate, 92.30% Goserelin EP Impurity A Acetate|C4X-19201 https://www.jk-sci.com/products/ts246cs-0088468 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0068f648c55dc4c81244437de8eb2553.jpg?v=1791328280 6-Amino-2-chloro-3-fluorobenzoic acid, 95% | 681459-97-2 6-Amino-2-chloro-3-fluorobenzoic acid|CS-0088468|681459-97-2 https://www.jk-sci.com/products/s57c4x-192043 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4729e541-d1c5-47cc-a5b6-3ab93266c630.png?v=1791372721 Goserelin Impurity 43 TFA Salt, 84.50% Goserelin Impurity 43 TFA Salt|C4X-192043 https://www.jk-sci.com/products/ts246cs-0088553 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4607c735729d67f2623088343b986f.jpg?v=1791328239 1-Bromo-2-chloro-4-fluoro-5-nitrobenzene, 97% | 111010-08-3 1-Bromo-2-chloro-4-fluoro-5-nitrobenzene|CS-0088553|111010-08-3 https://www.jk-sci.com/products/s57c4x-192321 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac132dd6-8b4c-4539-8978-1394fe1307ce.png?v=1791372687 Tetracaine Impurity 21, 98.60% Tetracaine Impurity 21|C4X-192321 https://www.jk-sci.com/products/s57c4x-19224 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377840_1ead3103-0771-4ef7-bd57-d78300c708aa.png?v=1791372706 Estazolam Impurity 4, 99.80% | 4547-02-8 Estazolam Impurity 4|C4X-19224|4547-02-8 https://www.jk-sci.com/products/ts246cs-0088578 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553078a93350baf92620103f673bb4cf.jpg?v=1791328223 2-(4-Methoxy-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 96% | 214360-68-6 2-(4-Methoxy-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0088578|214360-68-6 https://www.jk-sci.com/products/s57c4x-19239 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5278132c34f2560a7feab9cf69cda5c4.jpg?v=1791372668 Tetracaine Impurity 9, 92.00% | 55750-02-2 Tetracaine Impurity 9|C4X-19239|55750-02-2 https://www.jk-sci.com/products/s57c4x-19243 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d176c24459ccf943c9d86f7640feea2f.jpg?v=1791372647 Urapidil Impurity 3, 99.00% | 34654-81-4 Urapidil Impurity 3|C4X-19243|34654-81-4 https://www.jk-sci.com/products/s57c4x-19244 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecbb8d9bf42401124c29b078ffa4201f.jpg?v=1791372641 Urapidil Impurity 4, 91.20% | 34661-79-5 Urapidil Impurity 4|C4X-19244|34661-79-5 https://www.jk-sci.com/products/ts246cs-0088724 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259ca873b00caa781962ffa1c3de7cc7.jpg?v=1791328194 Ethyl 3-(2,3-dichlorophenyl)-3-oxopropanoate, 97% | 672323-07-8 Ethyl 3-(2,3-dichlorophenyl)-3-oxopropanoate|CS-0088724|672323-07-8 https://www.jk-sci.com/products/ts246cs-0088912 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09785160129da5398593e2b170d4996a.jpg?v=1791328156 (S)-(6-Fluoro-1,2,3,4-tetrahydroisoquinolin-3-yl)methanol, 95% | 1389391-15-4 (S)-(6-Fluoro-1,2,3,4-tetrahydroisoquinolin-3-yl)methanol|CS-0088912|1389391-15-4 https://www.jk-sci.com/products/s57c4x-192473 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452951_ab3f4d60-b9bb-4545-a388-8e2a73c95b0c.png?v=1791372626 Urapidil Impurity 73, Purity: 98.5% | 21236-97-5 Urapidil Impurity 73|C4X-192473|21236-97-5 https://www.jk-sci.com/products/ts246cs-0089076 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4faf7ec7f8d8ab7ab16666343dd6cb3.jpg?v=1791328117 (3,5-Difluoro-4-methylphenyl)boronic acid, 97% | 1621332-09-9 (3,5-Difluoro-4-methylphenyl)boronic acid|CS-0089076|1621332-09-9 https://www.jk-sci.com/products/s57c4x-192542 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323150_abca35ee-27ed-4e27-b5bc-c6f6eb67b032.png?v=1791372610 Travoprost Related Compound A, 99.10% | 54276-17-4 Travoprost Related Compound A|C4X-192542|54276-17-4 https://www.jk-sci.com/products/s57c4x-1925 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278941_53b2d820-cdb3-4e9d-9d87-3af3612f6862.png?v=1791372621 Travoprost, 96.90% | 157283-68-6 Travoprost|C4X-1925|157283-68-6 https://www.jk-sci.com/products/ts246cs-0089215 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de4588fcde6413cca868b4ad07152501.jpg?v=1791328076 Methyl (S)-3-(6-bromochroman-2-yl)propanoate, 98% | 2088284-58-4 Methyl (S)-3-(6-bromochroman-2-yl)propanoate|CS-0089215|2088284-58-4 https://www.jk-sci.com/products/s57c4x-192466 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cdf45c829a1ed6d2912c5076daf4420.jpg?v=1791372632 Urapidil Impurity 66, 95.60% | 2219339-64-5 Urapidil Impurity 66|C4X-192466|2219339-64-5 https://www.jk-sci.com/products/ts246cs-0089194 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458346_e5813699-ec07-4de6-b4b1-39d1e8535c36.png?v=1791328080 Dopamine impurity 2, 97% | 39816-35-8 Dopamine impurity 2|CS-0089194|39816-35-8 https://www.jk-sci.com/products/ts246cs-0089305 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c533e85215663309a9dacae248d2851d.jpg?v=1791328066 4-Acetamido-5-chloro-2-methoxybenzoic acid, 95% | 24201-13-6 4-Acetamido-5-chloro-2-methoxybenzoic acid|CS-0089305|24201-13-6 https://www.jk-sci.com/products/ts246cs-0089323 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6279eda65377defc929d6cd3f676a91.jpg?v=1791328061 2-(4-Bromo-2-hydroxyphenyl)acetic acid, 96% | 1261497-72-6 2-(4-Bromo-2-hydroxyphenyl)acetic acid|CS-0089323|1261497-72-6 https://www.jk-sci.com/products/s57c4x-19304 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9774f4542bbb53adda116990998eddb.jpg?v=1791372574 Tinidazole Impurity 4, 98.70% | 13230-19-8 Tinidazole Impurity 4|C4X-19304|13230-19-8 https://www.jk-sci.com/products/s57c4x-192910 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb3663166e4843176ea0ab30c5567ef6.jpg?v=1791372596 Mexiletine EP Impurity D(Enantiomer Mixture), 90.20% | 26583-71-1 Mexiletine EP Impurity D(Enantiomer Mixture)|C4X-192910|26583-71-1 https://www.jk-sci.com/products/ts246cs-0089486 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157553.png?v=1791328021 Ethyl 2-((tert-butoxycarbonyl)amino)-2-oxoacetate, 97% | 216959-34-1 Ethyl 2-((tert-butoxycarbonyl)amino)-2-oxoacetate|CS-0089486|216959-34-1 https://www.jk-sci.com/products/s57c4x-1927 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2795175fc777d13a0733155f8bae3fc4.jpg?v=1791372603 Rotigotine, Purity: 99.8% | 99755-59-6 Rotigotine|C4X-1927|99755-59-6 https://www.jk-sci.com/products/s57c4x-193024 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_04bd42ff-78c0-407a-a431-107aa7891da3.png?v=1791372585 Tinidazole Impurity 24, Purity: 92.0% Tinidazole Impurity 24|C4X-193024 https://www.jk-sci.com/products/s57c4x-19315 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529443_79831418-0f38-4024-87ce-998370621e91.png?v=1791372568 Doxycycline EP Impurity E, Purity: 88.4% | 79-57-2 Doxycycline EP Impurity E|C4X-19315|79-57-2 https://www.jk-sci.com/products/ts246cs-0089494 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322605.png?v=1791328015 2-(2,4-Dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 214360-69-7 2-(2,4-Dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0089494|214360-69-7 https://www.jk-sci.com/products/ts246cs-0089460 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587576.png?v=1791328032 5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride, 95% | 342405-38-3 5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride|CS-0089460|342405-38-3 https://www.jk-sci.com/products/s57c4x-193215 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308626_632e31a2-3973-471c-82be-5172a3d7c61e.png?v=1791372558 Digoxin EP Impurity B, 95.70% | 4562-36-1 Digoxin EP Impurity B|C4X-193215|4562-36-1 https://www.jk-sci.com/products/j5316600 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c30cb9cd13d016d49e6fe29412699038.jpg?v=1791411983 (+/-)-(1,1'-Binaphthalene-2,2'-diyl)bis(diphenylphosphine), Purity by HPLC ≥ 98% | 98327-87-8 (+/-)-(1,1'-Binaphthalene-2,2'-diyl)bis(diphenylphosphine)|16600|98327-87-8 https://www.jk-sci.com/products/ts246cs-0089649 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d541c4cd34383e00706e34520e997562.jpg?v=1791327990 1-Benzyl 4-(tert-butyl) (S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate, 98% | 2158302-00-0 1-Benzyl 4-(tert-butyl) (S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate|CS-0089649|2158302-00-0 https://www.jk-sci.com/products/s57c4x-19326 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223277_2a9f82e3-ec5e-4b49-8a5f-b62d1262c968.png?v=1791372549 Digoxin EP Impurity C, 93.20% | 1672-46-4 Digoxin EP Impurity C|C4X-19326|1672-46-4 https://www.jk-sci.com/products/ts246cs-0089677 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05db93241f44a528dafdfa82cb557f8f.jpg?v=1791327983 6-Bromo-1H-pyrrolo[3,2-b]pyridine-3-carbonitrile, 97% | 1260386-78-4 6-Bromo-1H-pyrrolo[3,2-b]pyridine-3-carbonitrile|CS-0089677|1260386-78-4 https://www.jk-sci.com/products/ts246cs-0089690 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98dc0edd92a1d932ad3266a59e6509af.jpg?v=1791327974 Ethyl 4-ethoxynicotinate, 96% | 33279-63-9 Ethyl 4-ethoxynicotinate|CS-0089690|33279-63-9 https://www.jk-sci.com/products/ts246cs-0089712 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d4b67a6aea5735bee2cbe5434e8e18a.jpg?v=1791327964 Ethyl 3-bromo-6-chloropicolinate, 98% | 1065074-97-6 Ethyl 3-bromo-6-chloropicolinate|CS-0089712|1065074-97-6 https://www.jk-sci.com/products/s57c4x-1934 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150119_6fa8ab19-bd0b-4fdd-9662-326d38cb6027.png?v=1791372540 Prilocaine Hydrochloride, 98.90% | 1786-81-8 Prilocaine Hydrochloride|C4X-1934|1786-81-8 https://www.jk-sci.com/products/s57c4x-19342 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15cfd35b588f9497111a45bd5b638a5d.jpg?v=1791372531 Prilocaine EP Impurity C, 99.20% | 35891-75-9 Prilocaine EP Impurity C|C4X-19342|35891-75-9 https://www.jk-sci.com/products/s57c4x-193428 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4374b72d-da7a-4627-9abe-f00963c0ec1d.png?v=1791372525 Prilocaine Impurity 28, 93.10% | 2815498-43-0 Prilocaine Impurity 28|C4X-193428|2815498-43-0 https://www.jk-sci.com/products/ts246cs-0089821 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47b836d58de5e20361f6bc2a73f7b4c6.jpg?v=1791327927 5-Bromo-3-methoxypicolinonitrile, 99.73%+ | 36057-46-2 5-Bromo-3-methoxypicolinonitrile|CS-0089821|36057-46-2 https://www.jk-sci.com/products/ts246cs-0089786 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8981fbedb85e697baed5c2949195f234.jpg?v=1791327943 5,6-Dimethoxypicolinonitrile, 97% | 1112851-50-9 5,6-Dimethoxypicolinonitrile|CS-0089786|1112851-50-9 https://www.jk-sci.com/products/j5316602 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62b3603f75c2d0a59bc061f7a716a13d.jpg?v=1791411982 (S)-(+)-1,1'-Binaphthyl-2,2'-diyl hydrogen phosphate, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 35193-64-7 (S)-(+)-1,1'-Binaphthyl-2,2'-diyl hydrogen phosphate|16602|35193-64-7 https://www.jk-sci.com/products/ts246cs-0089736 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c079c70f9ac33db40dd00dc554786d7e.jpg?v=1791327964 (R)-1-(4-Bromophenyl)-2,2,2-trifluoroethan-1-amine, 99.33%+ | 843608-53-7 (R)-1-(4-Bromophenyl)-2,2,2-trifluoroethan-1-amine|CS-0089736|843608-53-7 https://www.jk-sci.com/products/s57c4x-193435 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_465cf4e0-0c55-42d7-a633-7fdd4012bb7d.png?v=1791372517 Prilocaine Impurity 35, 99.80% Prilocaine Impurity 35|C4X-193435 https://www.jk-sci.com/products/s57c4x-193521 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f30f6d78b8d0aa8ce61b838bac84a911.jpg?v=1791372485 Vilanterol Trifenatate, 97.20% | 503070-58-4 Vilanterol Trifenatate|C4X-193521|503070-58-4 https://www.jk-sci.com/products/s57c4x-19361 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264633_72cc6817-d21a-46fb-8e95-cdb1f45bc7dd.png?v=1791372472 Dequalinium EP Impurity A, 91.40% | 6628-04-2 Dequalinium EP Impurity A|C4X-19361|6628-04-2 https://www.jk-sci.com/products/j5316628 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/024347eb11c4e4d70369801bfe68a740.jpg?v=1791411951 Z-D-alaninol, Purity by HPLC ≥ 98% | 61425-27-2 Z-D-alaninol|16628|61425-27-2 https://www.jk-sci.com/products/s57c4x-193457 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_931a7c76-60dc-4b92-9b53-f0f76f8fe6fe.png?v=1791372508 Prilocaine Impurity 57, 92.60% Prilocaine Impurity 57|C4X-193457 https://www.jk-sci.com/products/s57c4x-19347 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240771_d53b6d0e-0296-42cc-bb70-bf0b50ae5bb0.png?v=1791372494 Prilocaine Impurity 7, 99.00% | 39106-10-0 Prilocaine Impurity 7|C4X-19347|39106-10-0 https://www.jk-sci.com/products/s57c4x-19379 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fbed8d5e87705b83623be07b40c3672.jpg?v=1791372461 13-Deoxydaunorubicin Trifluoroacetate, 96.80% | 65360-28-3 13-Deoxydaunorubicin Trifluoroacetate|C4X-19379|65360-28-3 https://www.jk-sci.com/products/j5316608 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45367c1f0830e7adbf5788874e150ce2.jpg?v=1791411968 (S)-4-Oxopyrrolidine-1,2-dicarboxylic acid 1-tert-butyl 2-methyl diester, Purity by GC ≥ 98% | 102195-80-2 (S)-4-Oxopyrrolidine-1,2-dicarboxylic acid 1-tert-butyl 2-methyl diester|16608|102195-80-2 https://www.jk-sci.com/products/s57c4x-19364 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289171_93963dbf-bff7-4aeb-b76e-2881e6832104.png?v=1791372466 Dequalinium Impurity 4, 99.20% | 16355-92-3 Dequalinium Impurity 4|C4X-19364|16355-92-3 https://www.jk-sci.com/products/ts246cs-0089812 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566554.png?v=1791327932 N-(3-Bromophenyl)acetamide, 98% | 621-38-5 N-(3-Bromophenyl)acetamide|CS-0089812|621-38-5 https://www.jk-sci.com/products/ts246cs-0089839 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142508.png?v=1791327921 5-Phenyloxazolidine-2,4-dione, 97.71%+ | 5841-63-4 5-Phenyloxazolidine-2,4-dione|CS-0089839|5841-63-4 https://www.jk-sci.com/products/s57c4x-193820 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e038eee08c7687db1e581981e25e8724_d5ef1a8c-4327-4959-9afb-0cf9f3c69e15.jpg?v=1791372457 Pimavanserin Impurity 20, 93.70% | 1134815-71-6 Pimavanserin Impurity 20|C4X-193820|1134815-71-6 https://www.jk-sci.com/products/ts246cs-0089858 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144431.png?v=1791327910 N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-benzyl-N-methyl-L-threonine, 95% | 198561-81-8 N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-benzyl-N-methyl-L-threonine|CS-0089858|198561-81-8 https://www.jk-sci.com/products/s57c4x-193825 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf76b21d-8b18-45aa-b0a3-c1c7a2036bc6.png?v=1791372446 Pimavanserin Impurity 25, Purity: 99.0% Pimavanserin Impurity 25|C4X-193825 https://www.jk-sci.com/products/ts246cs-0089917 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4eb851b3747a8b7e48e43c8a69e103e6.jpg?v=1791327872 2-Amino-2-(pyridin-2-yl)ethanol dihydrochloride, 98.00%+ | 1187930-63-7 2-Amino-2-(pyridin-2-yl)ethanol dihydrochloride|CS-0089917|1187930-63-7 https://www.jk-sci.com/products/ts246cs-0089867 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423329.png?v=1791327899 (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid, 95% | 221352-74-5 (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid|CS-0089867|221352-74-5 https://www.jk-sci.com/products/s57c4x-193835 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/300e924d926fadedbfcd1c2e17a04b29.jpg?v=1791372437 Pimavanserin Impurity 35, Purity: 99.9% | 1791227-69-4 Pimavanserin Impurity 35|C4X-193835|1791227-69-4 https://www.jk-sci.com/products/s57c4x-193854 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f963ba263bada365d0981724a9f041d.jpg?v=1791372428 Pimavanserin impurity 54, 85.30% | 4734-09-2 Pimavanserin impurity 54|C4X-193854|4734-09-2 https://www.jk-sci.com/products/s57c4x-19411 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239310_4864803a-99cf-4809-b3c6-1379e8be04ec.png?v=1791372414 Latanoprost Acid, 98.40% | 41639-83-2 Latanoprost Acid|C4X-19411|41639-83-2 https://www.jk-sci.com/products/s57c4x-193866 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cbd4a614-faf9-4259-8abe-89381b855412.png?v=1791372420 Pimavanserin impurity 66, 96.10% Pimavanserin impurity 66|C4X-193866 https://www.jk-sci.com/products/ts246cs-0089922 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51e3ecc7737f7edb1f6a6f9111929e15.jpg?v=1791327862 (S)-2-Amino-2-(4-fluorophenyl)ethanol hydrochloride, 97% | 1269773-21-8 (S)-2-Amino-2-(4-fluorophenyl)ethanol hydrochloride|CS-0089922|1269773-21-8 https://www.jk-sci.com/products/s57c4x-1943 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb42eefc9095834b46cea7c3ca77c5ab.jpg?v=1791372399 Olodaterol Hydrochloride, 99.80% | 869477-96-3 Olodaterol Hydrochloride|C4X-1943|869477-96-3 https://www.jk-sci.com/products/s57c4x-194613 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125390_994660df-b561-4144-b106-fe33e569674b.png?v=1791372382 Glucosamine sulfate Impurity 13, 98.70% | 1003-29-8 Glucosamine sulfate Impurity 13|C4X-194613|1003-29-8 https://www.jk-sci.com/products/s57c4x-19417 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19cf00273f00587f3ac65f54b02ace71.jpg?v=1791372408 5,6-trans-Latanoprost, 98.50% | 913258-34-1 5,6-trans-Latanoprost|C4X-19417|913258-34-1 https://www.jk-sci.com/products/ts246cs-0082365 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d518333807158d4a1b5321744d843a1e.jpg?v=1791329960 6-Iodo-2,3-dimethoxypyridine, 96% | 321535-23-3 6-Iodo-2,3-dimethoxypyridine|CS-0082365|321535-23-3 https://www.jk-sci.com/products/s57c4x-1951 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360854_3a32a421-a0cf-43b5-aa2c-db3768742597.png?v=1791372363 Fluvoxamine Maleate, 99.10% | 61718-82-9 Fluvoxamine Maleate|C4X-1951|61718-82-9 https://www.jk-sci.com/products/s57c4x-195121 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09bb2ae5-e8b2-4107-ac92-b9a030aab093.png?v=1791372353 Fluvoxamine EP Impurity F Dimaleate, 99.40% Fluvoxamine EP Impurity F Dimaleate|C4X-195121 https://www.jk-sci.com/products/s57c4x-194620 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b661b34-55bd-4075-9f12-5c372c1b3599.png?v=1791372374 Glucosamine sulfate impurity 20, 96.20% Glucosamine sulfate impurity 20|C4X-194620 https://www.jk-sci.com/products/ts246cs-0086465 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575476.png?v=1791328907 (S,S)-Me-DUPHOS, 97% | 136735-95-0 (S,S)-Me-DUPHOS|CS-0086465|136735-95-0 https://www.jk-sci.com/products/s57c4x-19516 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42806331c943632e97518f02dfcbeb7a.jpg?v=1791372342 Fluvoxamine EP Impurity G, 90.20% | 192876-02-1 Fluvoxamine EP Impurity G|C4X-19516|192876-02-1 https://www.jk-sci.com/products/s57c4x-195520 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdda1446678baef8a21d600b8c69e1c1.jpg?v=1791372324 Tolvaptan Impurity 20, Purity: 100.0% | 137982-91-3 Tolvaptan Impurity 20|C4X-195520|137982-91-3 https://www.jk-sci.com/products/ts246cs-0084902 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367103_aad78a6a-b5cb-4c10-9f89-5d7469cf464f.png?v=1791329454 3-Iodoimidazo[1,2-a]pyridine, 98% | 307503-19-1 3-Iodoimidazo[1,2-a]pyridine|CS-0084902|307503-19-1 https://www.jk-sci.com/products/s57c4x-19522 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1069ade588fa0b9ede6a2c3e9a1ee03.jpg?v=1791372335 Diazoxide Impurity 2, Purity: 99.3% | 54981-41-8 Diazoxide Impurity 2|C4X-19522|54981-41-8 https://www.jk-sci.com/products/s57c4x-195130 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9d17c61b-6427-4666-8c45-f0aac44b2397.png?v=1791372347 Fluvoxamine Impurity 30, 93.20% Fluvoxamine Impurity 30|C4X-195130 https://www.jk-sci.com/products/ts246cs-0085621 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540822_74cafb8d-2c8a-4654-a260-52e5868748d5.png?v=1791329165 Silver p-toluenesulfonate, 97.92%+ | 16836-95-6 Silver p-toluenesulfonate|CS-0085621|16836-95-6 https://www.jk-sci.com/products/s57c4x-195518 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387511.png?v=1791372328 Tolvaptan Impurity 18, 98.00% | 2486-75-1 Tolvaptan Impurity 18|C4X-195518|2486-75-1 https://www.jk-sci.com/products/s57c4x-195523 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e4a89fecb0d3cabff3955e34f34e55a.jpg?v=1791372322 Tolvaptan Impurity 23, 90.50% | 1580889-33-3 Tolvaptan Impurity 23|C4X-195523|1580889-33-3 https://www.jk-sci.com/products/s57c4x-195528 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f74bb9a808bdca8c8b445386eca377a6.jpg?v=1791372315 Tolvaptan Impurity 28, 99.80% | 317374-08-6 Tolvaptan Impurity 28|C4X-195528|317374-08-6 https://www.jk-sci.com/products/ts246cs-0086820 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14993cc8fac6ac55f1de2decdd3f2ade.jpg?v=1791328816 4-((4-Bromo-2-methylphenyl)sulfonyl)morpholine, 98% | 313250-75-8 4-((4-Bromo-2-methylphenyl)sulfonyl)morpholine|CS-0086820|313250-75-8 https://www.jk-sci.com/products/s57c4x-195538 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383731.png?v=1791372308 Tolvaptan Impurity 38, Purity: 98.0% | 3951-89-1 Tolvaptan Impurity 38|C4X-195538|3951-89-1 https://www.jk-sci.com/products/s57c4x-195525 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27f6b4f0-103d-4afe-b5df-9ccbcf614406.png?v=1791372315 Tolvaptan Impurity 25, Purity: 99.8% Tolvaptan Impurity 25|C4X-195525 https://www.jk-sci.com/products/s57c4x-195544 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/650c480c7fbeb1c3511c609b28350b91.jpg?v=1791372305 Tolvaptan Impurity 44, Purity: 95.6% | 2458812-61-6 Tolvaptan Impurity 44|C4X-195544|2458812-61-6 https://www.jk-sci.com/products/ts246cs-0086939 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf8e15cdbe04464b9e1036e3995cf558.jpg?v=1791328752 (2S,3S)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol), 99.96%+ | 123287-35-4 (2S,3S)-1,4-Dioxaspiro[4.5]decane-2,3-diylbis(diphenylmethanol)|CS-0086939|123287-35-4 https://www.jk-sci.com/products/s57c4x-195551 2026-10-08T05:10:02-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_de70701d-79f0-4801-9190-5854ac049b3b.png?v=1791372301 Tolvaptan Impurity 51, 92.10% Tolvaptan Impurity 51|C4X-195551