https://www.jk-sci.com/products/s57c4x-14864 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94f32d80a6de44d65e41f4e4cbc06408.jpg?v=1791716750 Zolpidem USP RC A（Zolpidem EP Impurity A）, Purity: 99.7% | 1346600-85-8 Zolpidem USP RC A（Zolpidem EP Impurity A）|C4X-14864|1346600-85-8 https://www.jk-sci.com/products/s57c4x-14874 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2dd66904f4959329d9dc0b9dd02d174.jpg?v=1791716735 Nimesulide EP Impurity D, 99.30% | 5422-92-4 Nimesulide EP Impurity D|C4X-14874|5422-92-4 https://www.jk-sci.com/products/s57c4x-14872 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139844_6e175424-e890-46a1-93f7-72eb42ce0007.png?v=1791716740 Nimesulide EP Impurity B, 99.70% | 51765-51-6 Nimesulide EP Impurity B|C4X-14872|51765-51-6 https://www.jk-sci.com/products/s57c4x-14881 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed880752d23cdd64a09096523f764a3b.jpg?v=1791716730 Loxoprofen Impurity 1, 98.60% | 96824-28-1 Loxoprofen Impurity 1|C4X-14881|96824-28-1 https://www.jk-sci.com/products/s57c4x-14876 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63b54e34ec02d632193e0b8ea642aff9.jpg?v=1791716731 Nimesulide EP Impurity F, 98.90% | 51765-72-1 Nimesulide EP Impurity F|C4X-14876|51765-72-1 https://www.jk-sci.com/products/s57c4x-148821 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351371_62b53a35-31ae-4a3f-83e9-b3d4bc728e8b.png?v=1791716710 Loxoprofen Impurity 21, 98.20% | 492-37-5 Loxoprofen Impurity 21|C4X-148821|492-37-5 https://www.jk-sci.com/products/s57c4x-1488106 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9238c052-dbe1-4a7c-bc2c-72aeb11e1ca2.png?v=1791716724 Loxoprofen impurity 106, 96.90% Loxoprofen impurity 106|C4X-1488106 https://www.jk-sci.com/products/s57c4x-1488114 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_18099fac-5cda-49e7-8508-d006c0ee456a.png?v=1791716720 Loxoprofen Impurity 114, 99.60% Loxoprofen Impurity 114|C4X-1488114 https://www.jk-sci.com/products/s57c4x-148819 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00174b5491b13dbfa473d54bd11af4ac.jpg?v=1791716715 Loxoprofen Impurity 19, 93.00% | 80530-55-8 Loxoprofen Impurity 19|C4X-148819|80530-55-8 https://www.jk-sci.com/products/s57c4x-148815 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35409940bb9053975c585b903f053341.jpg?v=1791716721 Loxoprofen Impurity 15(Mixture of Diastereomers), 96.80% | 1091621-62-3 Loxoprofen Impurity 15(Mixture of Diastereomers)|C4X-148815|1091621-62-3 https://www.jk-sci.com/products/s57c4x-148827 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375221_3c4d27a1-27bf-415d-bdea-f9cbcd235b72.png?v=1791716705 Loxoprofen, 98.30% | 68767-14-6 Loxoprofen|C4X-148827|68767-14-6 https://www.jk-sci.com/products/s57c4x-148823 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148697_9a57d183-8256-4c0f-a2f1-2ffbfa54e964.png?v=1791716710 Loxoprofen sodium, 87.80% | 80382-23-6 Loxoprofen sodium|C4X-148823|80382-23-6 https://www.jk-sci.com/products/s57c4x-14883 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da45acd4782b994a1bb54f1aac13a311.jpg?v=1791716699 Loxoprofen Impurity 3, 95.00% | 1091621-61-2 Loxoprofen Impurity 3|C4X-14883|1091621-61-2 https://www.jk-sci.com/products/s57c4x-148832 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0272c10202902bc25a813bb4354ecc4e.jpg?v=1791716699 Loxoprofen Impurity 32, purity：96.6% | 2514697-36-8 Loxoprofen Impurity 32|C4X-148832|2514697-36-8 https://www.jk-sci.com/products/s57c4x-148837 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f48b3dd4-0fa2-47da-94cc-050641fdf60a.png?v=1791716693 Loxoprofen Impurity 37, 94.70% Loxoprofen Impurity 37|C4X-148837 https://www.jk-sci.com/products/s57c4x-148876 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_adf99220-2569-4d40-9b64-c4ebfa91ebed.png?v=1791716671 Loxoprofen Impurity 76, 99.40% Loxoprofen Impurity 76|C4X-148876 https://www.jk-sci.com/products/s57c4x-148851 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479914_1ae07d2f-34f9-4711-8d3b-4a64533d6eb0.png?v=1791716683 Loxoprofen Impurity 51, 85.30% | 10472-24-9 Loxoprofen Impurity 51|C4X-148851|10472-24-9 https://www.jk-sci.com/products/s57c4x-148840 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f13da925-8ffc-4ad9-b7a7-8bece74b0aa8.png?v=1791716689 Loxoprofen Impurity 40, 94.20% Loxoprofen Impurity 40|C4X-148840 https://www.jk-sci.com/products/s57c4x-148846 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9533a88-7e2d-4f38-a63e-c51510d5846f.png?v=1791716689 Loxoprofen Impurity 46 (Mixture of Isomers), 94.00% Loxoprofen Impurity 46 (Mixture of Isomers)|C4X-148846 https://www.jk-sci.com/products/s57c4x-148864 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9daa0882-76e0-4619-b4e0-fdf636423591.png?v=1791716678 LoxLoxoprofen Impurity 64, 92.30% LoxLoxoprofen Impurity 64|C4X-148864 https://www.jk-sci.com/products/s57c4x-148866 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8657667af22a47cfc6de09d0016b6841.jpg?v=1791716680 Loxoprofen Impurity 66, 94.10% | 334948-52-6 Loxoprofen Impurity 66|C4X-148866|334948-52-6 https://www.jk-sci.com/products/s57c4x-150059 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f7781a41-e7f4-47a8-b51f-b381d2c7aec9.png?v=1791716486 Indacaterol Impurity 7 HCl, 93.20% Indacaterol Impurity 7 HCl|C4X-150059 https://www.jk-sci.com/products/s57c4x-150118 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276586.png?v=1791716476 Clavulanic acid Impurity 18, 99.70% | 598-56-1 Clavulanic acid Impurity 18|C4X-150118|598-56-1 https://www.jk-sci.com/products/s57c4x-150062 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3224c145ca639cfadb6071584d8d4c3b.jpg?v=1791716482 Dehydroxy Indacaterol Impurity, 94.60% | 918968-40-8 Dehydroxy Indacaterol Impurity|C4X-150062|918968-40-8 https://www.jk-sci.com/products/s57c4x-15008 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49702b43b9fa23f60c77de01d16f6f64.jpg?v=1791716477 Indacaterol Impurity 8, 97.40% | 435273-75-9 Indacaterol Impurity 8|C4X-15008|435273-75-9 https://www.jk-sci.com/products/s57c4x-15021 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596896.png?v=1791716470 Progesterone-D9, Purity>95% | 15775-74-3 Progesterone-D9|C4X-15021|15775-74-3 https://www.jk-sci.com/products/s57c4x-1502 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260412_76e6d2e6-444b-483a-a5df-21d2cc5837d6.png?v=1791716476 Progesterone, 95.70% | 57-83-0 Progesterone|C4X-1502|57-83-0 https://www.jk-sci.com/products/s57c4x-150214 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20f8937b5560fb9105d68507d39344b1.jpg?v=1791716472 Progesterone EP Impurity M (17-alpha-Progesterone), 96.10% | 2000-66-0 Progesterone EP Impurity M (17-alpha-Progesterone)|C4X-150214|2000-66-0 https://www.jk-sci.com/products/s57c4x-150210 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fb248fa1f4564614bfeab35693bf77d.jpg?v=1791716472 Progesterone EP Impurity I (S-isomer), 98.30% | 3986-89-8 Progesterone EP Impurity I (S-isomer)|C4X-150210|3986-89-8 https://www.jk-sci.com/products/s57c4x-150215 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f31c3eae231403d240d7460b93d98fe5.jpg?v=1791716466 Progesterone Impurity 15, 96.90% | 604-20-6 Progesterone Impurity 15|C4X-150215|604-20-6 https://www.jk-sci.com/products/s57c4x-150219 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32066b2558abe379977c322ff362713f.jpg?v=1791716460 Progesterone EP Impurity I, 98.90% | 24254-01-1 Progesterone EP Impurity I|C4X-150219|24254-01-1 https://www.jk-sci.com/products/s57c4x-150216 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fae9a94cd2528047c5c81f49993dfef4.jpg?v=1791716465 Progesterone Impurity 16, 94.00% | 604-19-3 Progesterone Impurity 16|C4X-150216|604-19-3 https://www.jk-sci.com/products/s57c4x-15022 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321979a40d5908238231c8e6f6df5324.jpg?v=1791716457 Progesterone EP Impurity A, 97.30% | 24377-08-0 Progesterone EP Impurity A|C4X-15022|24377-08-0 https://www.jk-sci.com/products/s57c4x-150217 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5669e18158e9e1f2bcc079834b16b75.jpg?v=1791716466 Progesterone Impurity 17, 99.20% | 2243-08-5 Progesterone Impurity 17|C4X-150217|2243-08-5 https://www.jk-sci.com/products/s57c4x-15023 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415539.png?v=1791716457 Progesterone EP Impurity B, 97.90% | 145-14-2 Progesterone EP Impurity B|C4X-15023|145-14-2 https://www.jk-sci.com/products/s57c4x-150231 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442fac5c56902f04ff18143df2fc8fdd.jpg?v=1791716451 Progesterone EP Impurity K, 98.50% | 17652-16-3 Progesterone EP Impurity K|C4X-150231|17652-16-3 https://www.jk-sci.com/products/s57c4x-150234 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6fb3b852b87148db622602eebef6ae6.jpg?v=1791716451 Progesterone Impurity 34, Purity: 99.5% | 60966-36-1 Progesterone Impurity 34|C4X-150234|60966-36-1 https://www.jk-sci.com/products/s57c4x-150230 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513815.png?v=1791716456 Progesterone EP Impurity J, 95.70% | 1162-54-5 Progesterone EP Impurity J|C4X-150230|1162-54-5 https://www.jk-sci.com/products/s57c4x-15024 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499388.png?v=1791716447 Progesterone EP Impurity C, 96.40% | 145-15-3 Progesterone EP Impurity C|C4X-15024|145-15-3 https://www.jk-sci.com/products/s57c4x-150252 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e9ef2a5cdcb7131652e2c7e5e303338.jpg?v=1791716446 Progesterone Impurity 52, 97.90% | 14508-05-5 Progesterone Impurity 52|C4X-150252|14508-05-5 https://www.jk-sci.com/products/s57c4x-15025 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8be917812bee04d82ca74bd3e6b61fb9.jpg?v=1791716445 Progesterone EP Impurity D, 97.70% | 5035-09-6 Progesterone EP Impurity D|C4X-15025|5035-09-6 https://www.jk-sci.com/products/s57c4x-15026 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/099d4204aa0890d9be4e3c263b63407b.jpg?v=1791716441 Progesterone EP Impurity E, 99.90% | 5062-62-4 Progesterone EP Impurity E|C4X-15026|5062-62-4 https://www.jk-sci.com/products/s57c4x-15027 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/770cf6d6a7f972cc890b3d2722948a30.jpg?v=1791716440 Progesterone EP Impurity F, 94.60% | 2257421-78-4 Progesterone EP Impurity F|C4X-15027|2257421-78-4 https://www.jk-sci.com/products/s57c4x-15028 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/189a2f0ba6075788c1a8b741069b73b6.jpg?v=1791716439 Progesterone EP Impurity G, 98.40% | 2257421-79-5 Progesterone EP Impurity G|C4X-15028|2257421-79-5 https://www.jk-sci.com/products/s57c4x-150416 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb2e5ec8-2204-49c8-915a-71213f36bd95.png?v=1791716434 Sulfadiazine lmpurity 6, Purity: 99.1% Sulfadiazine lmpurity 6|C4X-150416 https://www.jk-sci.com/products/s57c4x-15029 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223730.png?v=1791716435 Progesterone EP Impurity H, 99.60% | 1162-56-7 Progesterone EP Impurity H|C4X-15029|1162-56-7 https://www.jk-sci.com/products/s57c4x-150413 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a9ab4ba-d2f5-4120-a371-d180d279cab7.png?v=1791716435 Sulfadimethoxine Impurity 13, 98.40% Sulfadimethoxine Impurity 13|C4X-150413 https://www.jk-sci.com/products/s57c4x-150423 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a96d04e-4e94-4c05-ae21-8509dbe7bdad.png?v=1791716427 Sulfadimethoxine Impurity 23, 92.50% Sulfadimethoxine Impurity 23|C4X-150423 https://www.jk-sci.com/products/s57c4x-150421 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8eea9db1-e7a5-4931-b288-5a6593a50818.png?v=1791716426 Sulfadimethoxine Impurity 21, 99.20% Sulfadimethoxine Impurity 21|C4X-150421 https://www.jk-sci.com/products/s57c4x-150420 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24d4a76a-e8cd-4d9c-b07f-29c9c2a7cdea.png?v=1791716430 Sulfadimethoxine Impurity 20, 95.50% Sulfadimethoxine Impurity 20|C4X-150420 https://www.jk-sci.com/products/s57c4x-15043 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e88d09a457368b3912b81ddc80afd550.jpg?v=1791716428 Sulfadimethoxine EP Impurity C, 97.10% | 121-62-0 Sulfadimethoxine EP Impurity C|C4X-15043|121-62-0 https://www.jk-sci.com/products/s57c4x-15048 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05c49c98e9aa02778920c74172753bee.jpg?v=1791716421 Sulfadimethoxine Impurity, Purity: 99.9% | 98627-35-1 Sulfadimethoxine Impurity|C4X-15048|98627-35-1 https://www.jk-sci.com/products/s57c4x-15045 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244744_fb4eef50-7ed3-45d5-bbb6-de9105220bb3.png?v=1791716422 Sulfadimethoxine EP Impurity E, 99.80% | 63-74-1 Sulfadimethoxine EP Impurity E|C4X-15045|63-74-1 https://www.jk-sci.com/products/s57c4x-15051 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236268.png?v=1791716419 Rifaximin EP Impurity A, 99.40% | 695-34-1 Rifaximin EP Impurity A|C4X-15051|695-34-1 https://www.jk-sci.com/products/s57c4x-15062 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289788.png?v=1791716414 Cyproheptadine Impurity 2, 99.20% | 2222-33-5 Cyproheptadine Impurity 2|C4X-15062|2222-33-5 https://www.jk-sci.com/products/s57c4x-15056 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/497123.png?v=1791716417 Rifaximin EP Impurity F, 94.00% | 14487-05-9 Rifaximin EP Impurity F|C4X-15056|14487-05-9 https://www.jk-sci.com/products/s57c4x-15068 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/052f03414e8d3190fdc68e56bff4a883_3613b0ca-c282-4a44-b0eb-7504a828e781.jpg?v=1791716410 Cyproheptadine alpha-N-Oxide, Purity: 98.7% | 54381-42-9 Cyproheptadine alpha-N-Oxide|C4X-15068|54381-42-9 https://www.jk-sci.com/products/s57c4x-15069 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/052f03414e8d3190fdc68e56bff4a883_c38a5e4c-8f6f-4607-a5d5-d1490a83a570.jpg?v=1791716406 Cyproheptadine beta-N-Oxide, Purity: 100.0% | 60251-34-5 Cyproheptadine beta-N-Oxide|C4X-15069|60251-34-5 https://www.jk-sci.com/products/s57c4x-15064 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792205.png?v=1791716412 Cyproheptadine USP Related Compound A, 96.60% | 256-81-5 Cyproheptadine USP Related Compound A|C4X-15064|256-81-5 https://www.jk-sci.com/products/s57c4x-15073 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3c8af9e99babd71248c48c3ac2246d7.jpg?v=1791716399 Cefmetazole Impurity 3, 94.00% | 70993-70-3 Cefmetazole Impurity 3|C4X-15073|70993-70-3 https://www.jk-sci.com/products/s57c4x-150930 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78c9a5cc-5146-4997-bad2-42731ca9cb9c.png?v=1791716382 Midazolam Impurity 30, Purity: 98.9% Midazolam Impurity 30|C4X-150930 https://www.jk-sci.com/products/s57c4x-150932 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_553c9e98-8ced-4a90-8a7c-8ee97d117584.png?v=1791716378 Midazolam Impurity 32, 97.60% Midazolam Impurity 32|C4X-150932 https://www.jk-sci.com/products/s57c4x-150936 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de407f220c823f0682e68530a23e39fc.jpg?v=1791716377 Midazolam impurity 36, 93.60% | 59467-62-8 Midazolam impurity 36|C4X-150936|59467-62-8 https://www.jk-sci.com/products/s57c4x-150928 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5488aa16-e55e-406c-aebf-3f4cd5655f98.png?v=1791716383 Midazolam Impurity 28, Purity: 98.9% Midazolam Impurity 28|C4X-150928 https://www.jk-sci.com/products/s57c4x-15071 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44b38fde9f078a76fd9be803f5397576.jpg?v=1791716404 Cefmetazole Impurity 1, Purity: 97.0% | 56796-16-8 Cefmetazole Impurity 1|C4X-15071|56796-16-8 https://www.jk-sci.com/products/s57c4x-150747 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207152.png?v=1791716394 Cefmetazole Impurity 47, 97.20% | 4923-87-9 Cefmetazole Impurity 47|C4X-150747|4923-87-9 https://www.jk-sci.com/products/s57c4x-15067 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56e5b77dbebeed1c46e5873082d28814.jpg?v=1791716410 Cyproheptadine impurity 7, 99.80% | 4331-45-7 Cyproheptadine impurity 7|C4X-15067|4331-45-7 https://www.jk-sci.com/products/s57c4x-15094 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415443.png?v=1791716374 Midazolam EP Impurity D, 95.20% | 59468-83-6 Midazolam EP Impurity D|C4X-15094|59468-83-6 https://www.jk-sci.com/products/s57c4x-15074 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d2c7caedb4a098bf25711aad0bdaa05.jpg?v=1791716401 Cefmetazole Impurity 4, 96.90% | 68576-47-6 Cefmetazole Impurity 4|C4X-15074|68576-47-6 https://www.jk-sci.com/products/s57c4x-150929 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23b1f0d7-71aa-482a-a251-9c45fc5dac19.png?v=1791716382 Midazolam Impurity 29, Purity: 100.0% Midazolam Impurity 29|C4X-150929 https://www.jk-sci.com/products/s57c4x-150915 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7480b808cc9cd07c1ccc9dcb28dc0ac.jpg?v=1791716389 Midazolam Impurity 15, 95.90% | 59468-73-4 Midazolam Impurity 15|C4X-150915|59468-73-4 https://www.jk-sci.com/products/s57c4x-150934 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_957488d2-b67d-4aa8-95ab-ddc190c11d39.png?v=1791716378 Midazolam Impurity 34, 99.00% Midazolam Impurity 34|C4X-150934 https://www.jk-sci.com/products/s57c4x-15098 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238477.png?v=1791716373 8-Chloro-6-(2-fluorophenyl)-1-methyl-3a,4-dihydro-3H-benzo[f]imidazo[1,5-a][1,4]diazepine, Purity: 96.6% | 59467-69-5 8-Chloro-6-(2-fluorophenyl)-1-methyl-3a,4-dihydro-3H-benzo[f]imidazo[1,5-a][1,4]diazepine|C4X-15098|59467-69-5 https://www.jk-sci.com/products/s57c4x-150910 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14bd853172cad24d5a61ee7846b28714.jpg?v=1791716394 Midazolam EP Impurity C, 96.80% | 59468-44-9 Midazolam EP Impurity C|C4X-150910|59468-44-9 https://www.jk-sci.com/products/s57c4x-150746 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d72c0e19a3afc1aafda34a87fda8f928_7ecb68f2-1e92-4622-97d3-f419cad7eed3.jpg?v=1791716399 Cefmetazole Impurity 46, 94.60% | 17347-32-9 Cefmetazole Impurity 46|C4X-150746|17347-32-9 https://www.jk-sci.com/products/s57c4x-15063 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da337e98901b7c17b8e8f6b1a6bfeb98.jpg?v=1791716416 Cyproheptadine EP Impurity C, 92.90% | 3967-32-6 Cyproheptadine EP Impurity C|C4X-15063|3967-32-6 https://www.jk-sci.com/products/s57c4x-15101 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac67d37bf8fb8d9dfeaa7d3c1f2c09e4.jpg?v=1791716368 Calcitriol EP Impurity C(Mixture of Diastereomers), 94.30% | 86307-44-0 Calcitriol EP Impurity C(Mixture of Diastereomers)|C4X-15101|86307-44-0 https://www.jk-sci.com/products/s57c4x-15099 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/242992de718555859d68da0efb1d8c25.jpg?v=1791716374 Midazolam EP Impurity J, Purity: 99.3% | 59469-08-8 Midazolam EP Impurity J|C4X-15099|59469-08-8 https://www.jk-sci.com/products/s57c4x-150711 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4b125465f0bd60579d88453abb46369.jpg?v=1791716405 Cefmetazole Impurity 11, Purity: 100.0% | 55817-29-3 Cefmetazole Impurity 11|C4X-150711|55817-29-3 https://www.jk-sci.com/products/s57c4x-150912 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42bbdc578d097597f8dd533d3355ea16.jpg?v=1791716394 (E)-7-chloro-5-(2-fluorophenyl)-2-(nitromethylene)-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide, 98.90% | 60656-76-0 (E)-7-chloro-5-(2-fluorophenyl)-2-(nitromethylene)-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide|C4X-150912|60656-76-0 https://www.jk-sci.com/products/ts246cs-0042742 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0a478267dfdf42289957c8d507f93f8.jpg?v=1791684638 6-Bromo-5-methylnicotinaldehyde, 96% | 885167-81-7 6-Bromo-5-methylnicotinaldehyde|CS-0042742|885167-81-7 https://www.jk-sci.com/products/ts246cs-0042800 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/448185.png?v=1791684559 3-Bromo-5-methylpyridin-4-amine, 97% | 97944-43-9 3-Bromo-5-methylpyridin-4-amine|CS-0042800|97944-43-9 https://www.jk-sci.com/products/ts246cs-0042912 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459359_cb50d911-1fb6-474e-a1ac-b5c4f944cbeb.png?v=1791684419 4-Chloro-8-fluoroquinoline, 97.00%+ | 63010-72-0 4-Chloro-8-fluoroquinoline|CS-0042912|63010-72-0 https://www.jk-sci.com/products/s57c4x-15104 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34160473d0aee34ff78d072941b6213.jpg?v=1791716367 Calcitriol EP Impurity A, 99.70% | 73837-24-8 Calcitriol EP Impurity A|C4X-15104|73837-24-8 https://www.jk-sci.com/products/ts246cs-0042776 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da8c0d7e83557d7fed1cefdcfa774c60.jpg?v=1791684587 3,6-Dichloroimidazo[1,2-b]pyridazine, 98.00%+ | 40972-42-7 3,6-Dichloroimidazo[1,2-b]pyridazine|CS-0042776|40972-42-7 https://www.jk-sci.com/products/s57c4x-15107 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4629b096d66bc803859bba5c81c07912.jpg?v=1791716362 Calcitriol Impurity 7, 97.00% | 61476-45-7 Calcitriol Impurity 7|C4X-15107|61476-45-7 https://www.jk-sci.com/products/ts246cs-0042764 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f350da3daf51503a8746ea6f65b6695c.jpg?v=1791684607 tert-Butyl 3-(cyanomethylene)azetidine-1-carboxylate, 97% | 1153949-11-1 tert-Butyl 3-(cyanomethylene)azetidine-1-carboxylate|CS-0042764|1153949-11-1 https://www.jk-sci.com/products/ts246cs-0042831 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9dccd1310f3a492952d40d7a32f442d.jpg?v=1791684521 3-Bromo-5-cyclopropylpyridine, 97% | 1044210-57-2 3-Bromo-5-cyclopropylpyridine|CS-0042831|1044210-57-2 https://www.jk-sci.com/products/ts246cs-0042865 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ab457bc669eb915d05147878343584c.jpg?v=1791684478 5-Bromo-6-methylpyrimidin-4-amine, 95% | 7752-48-9 5-Bromo-6-methylpyrimidin-4-amine|CS-0042865|7752-48-9 https://www.jk-sci.com/products/ts246cs-0042895 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b20caedd8d2012e27c22592c8ed1bf1f.jpg?v=1791684437 1-(4-Methoxynaphthalen-1-yl)ethanone, 98% | 24764-66-7 1-(4-Methoxynaphthalen-1-yl)ethanone|CS-0042895|24764-66-7 https://www.jk-sci.com/products/s57c4x-151117 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438870_151a0162-73e6-4e41-85b8-14d73c7684e6.png?v=1791716363 Mirtazapine Impurity 17, 98.70% | 6602-54-6 Mirtazapine Impurity 17|C4X-151117|6602-54-6 https://www.jk-sci.com/products/ts246cs-0042927 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5408efb4d68e2bd04c2abfb97c14d00.jpg?v=1791684392 6-Fluoro-4-nitro-1H-indazole, 95.00%+ | 885520-14-9 6-Fluoro-4-nitro-1H-indazole|CS-0042927|885520-14-9 https://www.jk-sci.com/products/s57c4x-151126 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ca13be6c-2ecf-4301-83c1-8e074b756e21.png?v=1791716356 Mirtazapine Impurity 26, 98.30% Mirtazapine Impurity 26|C4X-151126 https://www.jk-sci.com/products/ts246cs-0042935 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/357006.png?v=1791684366 4-Bromo-2-ethoxypyridine, 98% | 57883-26-8 4-Bromo-2-ethoxypyridine|CS-0042935|57883-26-8 https://www.jk-sci.com/products/s57c4x-15114 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311315.png?v=1791716352 Mirtazapine EP Impurity B, 99.80% | 61337-89-1 Mirtazapine EP Impurity B|C4X-15114|61337-89-1 https://www.jk-sci.com/products/ts246cs-0042964 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482407.png?v=1791684338 Methyl 5-methoxy-1H-indole-3-carboxylate, 97% | 172595-68-5 Methyl 5-methoxy-1H-indole-3-carboxylate|CS-0042964|172595-68-5 https://www.jk-sci.com/products/ts246cs-0042975 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d050d8748003d643163918f108dc88d1.jpg?v=1791684323 Isoindoline-5-carbonitrile hydrochloride, 97% | 1159823-51-4 Isoindoline-5-carbonitrile hydrochloride|CS-0042975|1159823-51-4 https://www.jk-sci.com/products/ts246cs-0042992 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2e4c3782d28d075908f010310b6fdb.jpg?v=1791684292 Methyl 5-chloro-6-methoxynicotinate, 98% | 220656-93-9 Methyl 5-chloro-6-methoxynicotinate|CS-0042992|220656-93-9 https://www.jk-sci.com/products/s57c4x-15123 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606505.png?v=1791716345 Clomiphene Citrate, 97.60% | 50-41-9 Clomiphene Citrate|C4X-15123|50-41-9 https://www.jk-sci.com/products/ts246cs-0043027 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531a4141ffbb6aa20a2b14e8c5debd7b.jpg?v=1791684242 6-Aminobenzo[d][1,3]dioxole-5-carboxylic acid, 95% | 20332-16-5 6-Aminobenzo[d][1,3]dioxole-5-carboxylic acid|CS-0043027|20332-16-5 https://www.jk-sci.com/products/ts246cs-0043010 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9717819bd2d12ea4b968d4f7907ef2b5.jpg?v=1791684272 5-Bromo-N,N-dimethylpyrazin-2-amine, 98% | 446286-94-8 5-Bromo-N,N-dimethylpyrazin-2-amine|CS-0043010|446286-94-8 https://www.jk-sci.com/products/s57c4x-15117 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/054c2a5831cfd652ce39a4a81c9da805.jpg?v=1791716350 Mirtazapine EP Impurity E, 98.30% | 191546-94-8 Mirtazapine EP Impurity E|C4X-15117|191546-94-8 https://www.jk-sci.com/products/ts246cs-0042323 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145521.png?v=1791684957 cis-Cyclohexane-1,4-dicarboxylic acid, 90% | 619-81-8 cis-Cyclohexane-1,4-dicarboxylic acid|CS-0042323|619-81-8 https://www.jk-sci.com/products/s57c4x-151311 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5cf6a26-93a6-447e-a168-91682c1309e8.png?v=1791716341 Doxofylline Impurity 11, 99.60% Doxofylline Impurity 11|C4X-151311 https://www.jk-sci.com/products/s57c4x-151318 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/629c1279a87dade81a5fb5a4caa7c9d4_d78ee639-14e9-41b4-a3fc-01e8ebead773.jpg?v=1791716341 Doxofylline Impurity 18, 96.30% | 42772-85-0 Doxofylline Impurity 18|C4X-151318|42772-85-0 https://www.jk-sci.com/products/ts246cs-0042498 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1396dd52f24242e16013cfcf54ad8437.jpg?v=1791684887 6-Bromoimidazo[1,2-a]pyridine-2-carbaldehyde, 95% | 885276-09-5 6-Bromoimidazo[1,2-a]pyridine-2-carbaldehyde|CS-0042498|885276-09-5 https://www.jk-sci.com/products/ts246cs-0042546 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d304d89127a39c6a0054c0b7cea84f80.jpg?v=1791684850 (R)-2,3,4,9-Tetrahydro-1H-carbazol-3-amine, 97% | 116650-33-0 (R)-2,3,4,9-Tetrahydro-1H-carbazol-3-amine|CS-0042546|116650-33-0 https://www.jk-sci.com/products/ts246cs-0042596 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7169b6836928f34647d0d3fa186c619f.jpg?v=1791684785 1-Chloroisoquinolin-6-ol, 95% | 850197-67-0 1-Chloroisoquinolin-6-ol|CS-0042596|850197-67-0 https://www.jk-sci.com/products/ts246cs-0042651 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7635b16776c6c692272501cbc173fdf4.jpg?v=1791684742 2,6-Dichloro-1,8-naphthyridine, 99.95%+ | 1260898-43-8 2,6-Dichloro-1,8-naphthyridine|CS-0042651|1260898-43-8 https://www.jk-sci.com/products/s57c4x-15132 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a997214124e0f8f0d3b75118888ad472.jpg?v=1791716338 Doxofylline Impurity 2, 99.40% | 5614-53-9 Doxofylline Impurity 2|C4X-15132|5614-53-9 https://www.jk-sci.com/products/s57c4x-151325 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/579431_6b8f8d4c-5c9a-4931-b396-6af0ce90982c.png?v=1791716336 Doxofylline Impurity 25, 99.90% | 6642-31-5 Doxofylline Impurity 25|C4X-151325|6642-31-5 https://www.jk-sci.com/products/ts246cs-0042704 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c0c9388d5a4fb71d1f7b2a6a2b2306d.jpg?v=1791684694 2-Chloro-4-cyanobenzoic acid, 96% | 117738-77-9 2-Chloro-4-cyanobenzoic acid|CS-0042704|117738-77-9 https://www.jk-sci.com/products/s57c4x-151327 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1efb872a-a5b8-4e47-bfbc-a327b7bb5d75.png?v=1791716332 Doxofylline Impurity 27, Purity: 98.4% Doxofylline Impurity 27|C4X-151327 https://www.jk-sci.com/products/s57c4x-15133 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f50c447bea04989e6ea83777f20bee4.jpg?v=1791716333 Doxofylline Impurity 3, 98.20% | 1174289-18-9 Doxofylline Impurity 3|C4X-15133|1174289-18-9 https://www.jk-sci.com/products/s57c4x-151331 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e4b796d4-e4f2-4e80-b85b-20f024e72d09.png?v=1791716331 Doxofylline Impurity 31, Purity: 95.6% Doxofylline Impurity 31|C4X-151331 https://www.jk-sci.com/products/a01104576 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104576.png?v=1791779806 3-Aminopyrazine-2-carboxylic acid, 98% | 5424-01-1 3-Aminopyrazine-2-carboxylic acid, 98%|104576|5424-01-1 https://www.jk-sci.com/products/a01104814 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104814.png?v=1791779797 (N-Hexyl)trimethylammonium bromide, 98% | 2650-53-5 (N-Hexyl)trimethylammonium bromide, 98%|104814|2650-53-5 https://www.jk-sci.com/products/a01104776 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104776.png?v=1791779798 3,2'- Dihydroxyflavone, 98% | 6068-76-4 3,2'- Dihydroxyflavone, 98%|104776|6068-76-4 https://www.jk-sci.com/products/s57c4x-151341 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52e2e9be-0a8f-4fe5-91a5-4730bf8c8ff5.png?v=1791716326 Doxofylline Impurity 41, Purity: 96.2% Doxofylline Impurity 41|C4X-151341 https://www.jk-sci.com/products/ts246cs-0042811 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332635.png?v=1791684543 Ethyl 3-chloropyrazine-2-carboxylate, 97% | 655247-45-3 Ethyl 3-chloropyrazine-2-carboxylate|CS-0042811|655247-45-3 https://www.jk-sci.com/products/ts246cs-0042771 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438874_a594e2a3-10f6-4b82-8d5f-a20f30904d76.png?v=1791684597 4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid, 98% | 202197-73-7 4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid|CS-0042771|202197-73-7 https://www.jk-sci.com/products/a01105125 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105125.png?v=1791779785 racemic Fmoc-cis-3-phenyl-pyrrolidine-2-carboxylic acid, 99% | 181824-45-3 racemic Fmoc-cis-3-phenyl-pyrrolidine-2-carboxylic acid, 99%|105125|181824-45-3 https://www.jk-sci.com/products/ts246cs-0042733 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d07f80c7265f057fb6011c8937f3108d.jpg?v=1791684663 6-Methoxybenzo[d]thiazole-2(3H)-thione, 95% | 2182-73-2 6-Methoxybenzo[d]thiazole-2(3H)-thione|CS-0042733|2182-73-2 https://www.jk-sci.com/products/a01105420 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105420.png?v=1791779773 4-[(2,4-Dimethoxyphenyl)[(9H-fluoren-9-ylmethoxy)carbonylamino]methyl]phenoxyacetic acid, 98% | 126828-35-1 4-[(2,4-Dimethoxyphenyl)[(9H-fluoren-9-ylmethoxy)carbonylamino]methyl]phenoxyacetic acid, 98%|105420|126828-35-1 https://www.jk-sci.com/products/s57c4x-1514112 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_904342c5-f983-4761-a779-09cfad2b3baa.png?v=1791716317 Gadoteridol Impurity N112, 90.60% Gadoteridol Impurity N112|C4X-1514112 https://www.jk-sci.com/products/ts246cs-0042887 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/686ed9d7d4b7ae61d910e9785e6825bd.jpg?v=1791684454 (4-Formyl-2-methoxyphenyl)boronic acid, 98% | 1028479-47-1 (4-Formyl-2-methoxyphenyl)boronic acid|CS-0042887|1028479-47-1 https://www.jk-sci.com/products/a01105499 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420294.png?v=1791779759 2-Chloro-4-nitropyridine, 98% | 23056-36-2 2-Chloro-4-nitropyridine, 98%|105499|23056-36-2 https://www.jk-sci.com/products/ts246cs-0042941 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586f7efd2eb998cf3d31536e46e96eda.jpg?v=1791684361 Methyl 4-oxochroman-7-carboxylate, 97% | 41118-21-2 Methyl 4-oxochroman-7-carboxylate|CS-0042941|41118-21-2 https://www.jk-sci.com/products/ts246cs-0042918 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/379516_916c3c5b-19de-4ec1-8977-5947f9101b4e.png?v=1793049757 Ethyl 4-hydroxy-2-oxo-1,2-dihydropyrimidine-5-carboxylate, 95% | 28485-17-8 Ethyl 4-hydroxy-2-oxo-1,2-dihydropyrimidine-5-carboxylate|CS-0042918|28485-17-8 https://www.jk-sci.com/products/ts246cs-0043002 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ed2cdfbaab64d195835caa8fb610bd1.jpg?v=1791684282 Methyl 2-(5-nitropyridin-2-yl)acetate, 98.07%+ | 292600-22-7 Methyl 2-(5-nitropyridin-2-yl)acetate|CS-0043002|292600-22-7 https://www.jk-sci.com/products/ts246cs-0042197 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/468515.png?v=1791684992 H-D-Thr(Tbu)-Ome HCl, 97.00%+ | 115141-43-0 H-D-Thr(Tbu)-Ome HCl|CS-0042197|115141-43-0 https://www.jk-sci.com/products/ts246cs-0042631 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a963d4f4295379bce900a9f380b32e70.jpg?v=1791684754 (5-Bromothiazol-2-yl)methanol, 97% | 911052-85-2 (5-Bromothiazol-2-yl)methanol|CS-0042631|911052-85-2 https://www.jk-sci.com/products/ts246cs-0042968 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154507_ad4e223e-07aa-4ac5-bf90-7cf991657d6c.png?v=1791684333 Methyl 5-methoxy-2-nitrobenzoate, 98.96%+ | 2327-45-9 Methyl 5-methoxy-2-nitrobenzoate|CS-0042968|2327-45-9 https://www.jk-sci.com/products/ts246cs-0042528 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09921172109850c424b8d35834f5d7e2.jpg?v=1791684876 Methyl 2-(2-aminophenyl)acetate hydrochloride, 95% | 49851-36-7 Methyl 2-(2-aminophenyl)acetate hydrochloride|CS-0042528|49851-36-7 https://www.jk-sci.com/products/ts246cs-0042719 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b18da737d0d2897c63ebc22493bf309.jpg?v=1791684678 2-Chloro-9H-carbazole, 98.00%+ | 10537-08-3 2-Chloro-9H-carbazole|CS-0042719|10537-08-3 https://www.jk-sci.com/products/ts246cs-0042787 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113783.png?v=1791684575 6-Methoxy-2-methylpyridin-3-amine dihydrochloride, 97% | 320577-63-7 6-Methoxy-2-methylpyridin-3-amine dihydrochloride|CS-0042787|320577-63-7 https://www.jk-sci.com/products/ts246cs-0042905 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d60b52d8b571c830efee7c27d7ad6500.jpg?v=1791684429 (4-Chloro-3-ethoxyphenyl)boronic acid, 98% | 900174-62-1 (4-Chloro-3-ethoxyphenyl)boronic acid|CS-0042905|900174-62-1 https://www.jk-sci.com/products/ts246cs-0042957 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a1c3d16b20764b6a6b0bc5b463d6cf4.jpg?v=1791684345 5-(Methylsulfonyl)picolinic acid, 98% | 1186663-48-8 5-(Methylsulfonyl)picolinic acid|CS-0042957|1186663-48-8 https://www.jk-sci.com/products/a01105578 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105578.png?v=1791779751 Methyl 3-methyl-2-furoate, 98% | 6141-57-7 Methyl 3-methyl-2-furoate, 98%|105578|6141-57-7 https://www.jk-sci.com/products/s57c4x-151428 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513302.png?v=1791716311 L-Noradrenaline Bitartrate Monohydrate, 99.70% | 108341-18-0 L-Noradrenaline Bitartrate Monohydrate|C4X-151428|108341-18-0 https://www.jk-sci.com/products/ts246cs-0042348 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db4690b989440049e4b1da4c566a2c8a.jpg?v=1791684941 8-Isoquinolinesulfonyl chloride, 98% | 748752-50-3 8-Isoquinolinesulfonyl chloride|CS-0042348|748752-50-3 https://www.jk-sci.com/products/a01106064 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/106064.png?v=1791779735 Hafnium(IV) trifluoromethanesulfonate, 98% | 161337-67-3 Hafnium(IV) trifluoromethanesulfonate, 98%|106064|161337-67-3 https://www.jk-sci.com/products/a01287581 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/287581_7b2c8660-f8ad-494a-a88f-7c14981c9ec9.png?v=1791770321 2-Aminobenzimidazole, 98% | 934-32-7 2-Aminobenzimidazole, 98%|287581|934-32-7 https://www.jk-sci.com/products/a01287429 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/287429.png?v=1791770330 1,4-D-Xylobiose, 98%, from corncob | 6860-47-5 1,4-D-Xylobiose, 98%, from corncob|287429|6860-47-5 https://www.jk-sci.com/products/ts246cs-0042846 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376454.png?v=1791684499 4-(Trifluoromethyl)nicotinamide, 98% | 158062-71-6 4-(Trifluoromethyl)nicotinamide|CS-0042846|158062-71-6 https://www.jk-sci.com/products/a01287914 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/287914_a163c4e0-b7c7-4d00-a0a8-e7f72454f1d1.png?v=1791770309 5-Chloro-2-nitrobenzamide, 95% | 40763-96-0 5-Chloro-2-nitrobenzamide, 95%|287914|40763-96-0 https://www.jk-sci.com/products/ts246cs-0042678 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27d18028e14148e6eeb7e46b5990e9e8.jpg?v=1791684715 Methyl 2-fluoro-3-methoxybenzoate, 98% | 958991-48-5 Methyl 2-fluoro-3-methoxybenzoate|CS-0042678|958991-48-5 https://www.jk-sci.com/products/s57c4x-151433 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5fa0bd699fcf2c96dfab36285669848_bb67bfc2-52cb-4999-814f-2e1e0bff0f57.jpg?v=1791716303 D-Norepinephrine L-TARTARIC ACID, 97.90% | 636-88-4 D-Norepinephrine L-TARTARIC ACID|C4X-151433|636-88-4 https://www.jk-sci.com/products/a01288995 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288995.png?v=1791770273 3,5-Dihydroxytoluene monohydrate, 98% | 6153-39-5 3,5-Dihydroxytoluene monohydrate, 98%|288995|6153-39-5 https://www.jk-sci.com/products/a01290676 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/290676.png?v=1791770208 Ethyl 3-amino-3-oxopropanoate, 98% | 7597-56-0 Ethyl 3-amino-3-oxopropanoate, 98%|290676|7597-56-0 https://www.jk-sci.com/products/ts246cs-0043014 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38dba535621f707bd5d61ead681473e7.jpg?v=1791684267 2-(5-Bromothiophen-2-yl)acetonitrile, 95% | 71637-37-1 2-(5-Bromothiophen-2-yl)acetonitrile|CS-0043014|71637-37-1 https://www.jk-sci.com/products/a01289529 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6848c2eaf3157ab7514eabd713800052.jpg?v=1791770255 3,4-Dichlorophenylacetic acid, 99% | 5807-30-7 3,4-Dichlorophenylacetic acid, 99%|289529|5807-30-7 https://www.jk-sci.com/products/a01289006 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364120.png?v=1791770273 2-Amino-3-nitropyridine, 99% | 4214-75-9 2-Amino-3-nitropyridine, 99%|289006|4214-75-9 https://www.jk-sci.com/products/s57c4x-151457 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bf4e6f4110233dfea6a3e84c3d5a52c.jpg?v=1791716292 Norepinephrine Impurity 57, 95.40% | 29477-54-1 Norepinephrine Impurity 57|C4X-151457|29477-54-1 https://www.jk-sci.com/products/a01293421 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293421.png?v=1791770138 (R)-(-)-1,2-Propanediol, 99% | 4254-14-2 (R)-(-)-1,2-Propanediol, 99%|293421|4254-14-2 https://www.jk-sci.com/products/s57c4x-151446 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975bb85d0ac4f3d82968938e3e5f53be.jpg?v=1791716298 D-Norepinephrine, Purity: 96.8% | 149-95-1 D-Norepinephrine|C4X-151446|149-95-1 https://www.jk-sci.com/products/a01294109 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410247.png?v=1791770117 4-Methylnicotinic acid, 97.5% | 3222-50-2 4-Methylnicotinic acid, 97.5%|294109|3222-50-2 https://www.jk-sci.com/products/a01293894 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/293894_58055ef4-3f19-4ea0-a835-717fcd3eb51b.png?v=1793053063 DL-Methionine methylsulfonium chloride, 99% | 3493-12-7 DL-Methionine methylsulfonium chloride, 99%|293894|3493-12-7 https://www.jk-sci.com/products/s57c4x-151466 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7979d6aa6b1d517d259f8a1e9a17fc3f.jpg?v=1791716283 Norepinephrine Impurity 66 HCl, 79.10% | 62-22-6 Norepinephrine Impurity 66 HCl|C4X-151466|62-22-6 https://www.jk-sci.com/products/s57c4x-15148 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80f111aeecb38ebd17e19e7ca49093d0.jpg?v=1791716277 Norepinephrine EP Impurity G, 97.50% | 13062-58-3 Norepinephrine EP Impurity G|C4X-15148|13062-58-3 https://www.jk-sci.com/products/s57c4x-151485 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a892dea-6f3a-42b3-9745-2ae6285811d2.png?v=1791716276 Norepinephrine Impurity 85 HCl, Purity: 98.4% Norepinephrine Impurity 85 HCl|C4X-151485 https://www.jk-sci.com/products/a01294498 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8416b5f3ca5123d2382fcce494996ce0.jpg?v=1791770105 5-Hydroxy-2-pentanone, 92%, mixture of monomer and dimer | 1071-73-4 5-Hydroxy-2-pentanone, 92%, mixture of monomer and dimer|294498|1071-73-4 https://www.jk-sci.com/products/s57c4x-151516 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46eda9c53ada393cc0eed723fb1a6754.jpg?v=1791716272 Mycophenolate Mofetil Impurity 16, 97.90% | 32483-51-5 Mycophenolate Mofetil Impurity 16|C4X-151516|32483-51-5 https://www.jk-sci.com/products/s57c4x-151511 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e6ebcc4fd92e29f0ca17ec7b7ba0d87.jpg?v=1791716273 Mycophenolate Mofetil EP Impurity A, 94.00% | 1322681-36-6 Mycophenolate Mofetil EP Impurity A|C4X-151511|1322681-36-6 https://www.jk-sci.com/products/s57c4x-151520 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54d46062cabb51d66751fc18960b201a.jpg?v=1791716272 Mycophenolate Impurity 20, Purity: 98.0% | 27979-57-3 Mycophenolate Impurity 20|C4X-151520|27979-57-3 https://www.jk-sci.com/products/ts246cs-0042751 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398676.png?v=1791684623 2-Bromo-6-methoxyphenol, 96% | 28165-49-3 2-Bromo-6-methoxyphenol|CS-0042751|28165-49-3 https://www.jk-sci.com/products/ts246cs-0042984 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515644_fc4b35f2-eab2-4525-bef1-0a56ae3cef46.png?v=1791684308 2-(5-Chloro-2-fluorophenyl)acetic acid, 98.78%+ | 261762-97-4 2-(5-Chloro-2-fluorophenyl)acetic acid|CS-0042984|261762-97-4 https://www.jk-sci.com/products/ts246cs-0042933 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/249993_b25de3dd-4dcd-4f7f-9574-c580135ec265.png?v=1791684375 4-Bromo-2-fluoro-5-methylaniline, 98% | 418762-26-2 4-Bromo-2-fluoro-5-methylaniline|CS-0042933|418762-26-2 https://www.jk-sci.com/products/s57c4x-151528 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70180b6ca3cb4d05f3d02897fdf97d1c.jpg?v=1791716268 Mycophenolate Mofetil EP Impurity H, 99.60% | 79081-87-1 Mycophenolate Mofetil EP Impurity H|C4X-151528|79081-87-1 https://www.jk-sci.com/products/s57c4x-15155 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101318.png?v=1791716267 Mycophenolate Mofetil, 99.70% | 128794-94-5 Mycophenolate Mofetil|C4X-15155|128794-94-5 https://www.jk-sci.com/products/s57c4x-15158 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/810cce259dcac92054b034893d887ad7.jpg?v=1791716262 Mycophenolate Mofetil EP Impurity H, 91.30% | 26675-76-3 Mycophenolate Mofetil EP Impurity H|C4X-15158|26675-76-3 https://www.jk-sci.com/products/ts246cs-0043054 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9ec69a8fac4b9af1c5e007b3c7e211c.jpg?v=1791684205 Methyl 6-chloro-4-methoxypicolinate, 98% | 204378-41-6 Methyl 6-chloro-4-methoxypicolinate|CS-0043054|204378-41-6 https://www.jk-sci.com/products/ts246cs-0043042 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784672_7f9751a1-6eea-42bf-90ff-2848ec9afe98.png?v=1791684221 4-Chloro-6-methoxy-2-(methylthio)pyrimidine, 95% | 89466-42-2 4-Chloro-6-methoxy-2-(methylthio)pyrimidine|CS-0043042|89466-42-2 https://www.jk-sci.com/products/a01296192 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296192.png?v=1791770030 4,6-Dihydroxy-2-mercaptopyrimidine, 98% | 504-17-6 4,6-Dihydroxy-2-mercaptopyrimidine, 98%|296192|504-17-6 https://www.jk-sci.com/products/a01295045 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252788.png?v=1793053058 4-Methoxyphenylhydrazine hydrochloride, 98% | 19501-58-7 4-Methoxyphenylhydrazine hydrochloride, 98%|295045|19501-58-7 https://www.jk-sci.com/products/a01295751 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295751.png?v=1791770042 4-Nitrophenyl β-D-glucuronide, 99% | 10344-94-2 4-Nitrophenyl β-D-glucuronide, 99%|295751|10344-94-2 https://www.jk-sci.com/products/a01296131 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433419_c238fc85-a97b-42e8-b2d2-191141c53238.png?v=1791770030 O-(1H-6-Chlorobenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate, 98% | 330645-87-9 O-(1H-6-Chlorobenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate, 98%|296131|330645-87-9 https://www.jk-sci.com/products/a01296569 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296569.png?v=1791770011 tert-Butyl 3-bromo-1H-indole-1-carboxylate, 97% | 143259-56-7 tert-Butyl 3-bromo-1H-indole-1-carboxylate, 97%|296569|143259-56-7 https://www.jk-sci.com/products/ts246cs-0043069 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1e91559d9d59f5f9e54897576b13555.jpg?v=1791684188 6-Bromo-1H-pyrazolo[3,4-b]pyridine, 97.00%+ | 934560-92-6 6-Bromo-1H-pyrazolo[3,4-b]pyridine|CS-0043069|934560-92-6 https://www.jk-sci.com/products/ts246cs-0043080 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1521f540cf2cfcd75f7e9ebdf566815d.jpg?v=1791684172 7-Chloro-2,3-dihydroquinolin-4(1H)-one, 98.12%+ | 21617-15-2 7-Chloro-2,3-dihydroquinolin-4(1H)-one|CS-0043080|21617-15-2 https://www.jk-sci.com/products/ts246cs-0043082 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8f27ad68cabc8fe17f10976cf1c77e3.jpg?v=1793049750 7-Chloro-5-fluoroindolin-2-one, 97% | 1260892-91-8 7-Chloro-5-fluoroindolin-2-one|CS-0043082|1260892-91-8 https://www.jk-sci.com/products/ts246cs-0043088 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/902eef69e366c91c9b3804a1f2641a3a.jpg?v=1791684158 7-Nitroisoquinolin-1(2H)-one, 95% | 20141-83-7 7-Nitroisoquinolin-1(2H)-one|CS-0043088|20141-83-7 https://www.jk-sci.com/products/a01296650 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/507006.png?v=1793053053 N-Benzylcinchonidinium chloride, 99% | 69257-04-1 N-Benzylcinchonidinium chloride, 99%|296650|69257-04-1 https://www.jk-sci.com/products/a01297525 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327789.png?v=1793053042 1-Benzothiophen-2-ylboronic acid, 98% | 98437-23-1 1-Benzothiophen-2-ylboronic acid, 98%|297525|98437-23-1 https://www.jk-sci.com/products/a01297776 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285516_5e512610-37f5-4cc7-90b5-ec43e4dce2f5.png?v=1791769957 2'-Bromoacetophenone, 98% | 2142-69-0 2'-Bromoacetophenone, 98%|297776|2142-69-0 https://www.jk-sci.com/products/a01298225 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298225.png?v=1791769942 4-Bromo-3-nitrotoluene, 99% | 5326-34-1 4-Bromo-3-nitrotoluene, 99%|298225|5326-34-1 https://www.jk-sci.com/products/a01298315 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294977.png?v=1791769938 2-Amino-4-chloro-6-methoxypyrimidine, 98% | 5734-64-5 2-Amino-4-chloro-6-methoxypyrimidine, 98%|298315|5734-64-5 https://www.jk-sci.com/products/a01299896 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/577346.png?v=1791769879 4,5-Dimethyl-2-isobutyl-3-thiazoline, 97% | 65894-83-9 4,5-Dimethyl-2-isobutyl-3-thiazoline, 97%|299896|65894-83-9 https://www.jk-sci.com/products/a01300051 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/300051_531abd6a-014d-4bce-952a-d53fb93c71e7.png?v=1793053026 2,7-Dihydroxy-9-fluorenone, 98% | 42523-29-5 2,7-Dihydroxy-9-fluorenone, 98%|300051|42523-29-5 https://www.jk-sci.com/products/a01298877 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344374.png?v=1791769919 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid, 97% | 180516-87-4 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid, 97%|298877|180516-87-4 https://www.jk-sci.com/products/a01301892 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301892.png?v=1791769833 3,2-Bihydroxychalcone, 97% | 36574-83-1 3,2-Bihydroxychalcone, 97%|301892|36574-83-1 https://www.jk-sci.com/products/a01301794 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301794.png?v=1791769842 3,5-Bis(trifluoromethyl)benzoic acid, 98% | 725-89-3 3,5-Bis(trifluoromethyl)benzoic acid, 98%|301794|725-89-3 https://www.jk-sci.com/products/a01302658 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302658.png?v=1793053009 L-(+)-Ribose, 98% | 24259-59-4 L-(+)-Ribose, 98%|302658|24259-59-4 https://www.jk-sci.com/products/a01304080 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304080.png?v=1791769768 4-Bromo-2-fluorophenol, 98% | 2105-94-4 4-Bromo-2-fluorophenol, 98%|304080|2105-94-4 https://www.jk-sci.com/products/a01302992 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302992.png?v=1791769799 4-Benzyloxyphenylacetic acid, 98% | 6547-53-1 4-Benzyloxyphenylacetic acid, 98%|302992|6547-53-1 https://www.jk-sci.com/products/a01304162 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304162_3949124b-88f1-42eb-9467-51e3a5ae4356.png?v=1791769764 4-Nitrophenyl β-D-fucopyranoside, 98% | 1226-39-7 4-Nitrophenyl β-D-fucopyranoside, 98%|304162|1226-39-7 https://www.jk-sci.com/products/a01308024 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308024_8a4fcbf6-c343-49fa-855e-982434c9440d.png?v=1791769676 Cilastatin sodium, 98% | 81129-83-1 Cilastatin sodium, 98%|308024|81129-83-1 https://www.jk-sci.com/products/a01306388 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306388_b5d57361-b250-46de-bfd0-481f70654f66.png?v=1791769719 Methyl myristate, 98% | 124-10-7 Methyl myristate, 98%|306388|124-10-7 https://www.jk-sci.com/products/a01308289 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308289.png?v=1791769671 1-Acetyl-1-cyclohexene, 97% | 932-66-1 1-Acetyl-1-cyclohexene, 97%|308289|932-66-1 https://www.jk-sci.com/products/a01308447 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308447.png?v=1791769654 Dacarbazine, 97.5%, an antineoplastic agent | 4342-03-4 Dacarbazine, 97.5%, an antineoplastic agent|308447|4342-03-4 https://www.jk-sci.com/products/a01308896 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308896.png?v=1791769645 3-Hydroxyxanthen-9-one, 98% | 3722-51-8 3-Hydroxyxanthen-9-one, 98%|308896|3722-51-8 https://www.jk-sci.com/products/a01309660 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/309660.png?v=1791769630 Bis(4-iodophenyl)amine, 97% | 20255-70-3 Bis(4-iodophenyl)amine, 97%|309660|20255-70-3 https://www.jk-sci.com/products/a01308941 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308941.png?v=1791769641 4-Methylbenzophenone, 97% | 134-84-9 4-Methylbenzophenone, 97%|308941|134-84-9 https://www.jk-sci.com/products/a01310725 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310725.png?v=1791769598 Methyl 3-cyanobenzoate, 98% | 13531-48-1 Methyl 3-cyanobenzoate, 98%|310725|13531-48-1 https://www.jk-sci.com/products/a01311161 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2735b2007e4168822a0a350651de6dd5_7416db81-1840-41ca-b39b-3fc279c5509a.jpg?v=1793052993 Tetrakis(acetonitrile)copper(I)hexafluorophosphate, 97% | 64443-05-6 Tetrakis(acetonitrile)copper(I)hexafluorophosphate, 97%|311161|64443-05-6 https://www.jk-sci.com/products/a01310797 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310797.png?v=1791769598 2-Fluoro-4-nitrobenzoic acid, 98% | 403-24-7 2-Fluoro-4-nitrobenzoic acid, 98%|310797|403-24-7 https://www.jk-sci.com/products/a01311898 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311898.png?v=1791769574 1-Butylpyridinium bromide, 99% | 874-80-6 1-Butylpyridinium bromide, 99%|311898|874-80-6 https://www.jk-sci.com/products/a01312460 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312460.png?v=1791769558 3-Isobutyl-1-methylxanthine, 99%, a broad-spectrum phosphodiesterase (PDE) inhibitor, with IC50s of 6.5, 26.3 and 31.7 μM for PDE3, PDE4 and PDE5, respectively | 28822-58-4 3-Isobutyl-1-methylxanthine, 99%, a broad-spectrum phosphodiesterase (PDE) inhibitor, with IC50s of 6.5, 26.3 and 31.7 μM for PDE3, PDE4 and PDE5, respectively|312460|28822-58-4 https://www.jk-sci.com/products/a01312727 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312727.png?v=1791769551 2,5-Furandicarboxylic acid, 97% | 3238-40-2 2,5-Furandicarboxylic acid, 97%|312727|3238-40-2 https://www.jk-sci.com/products/a01313356 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313356.png?v=1791769538 Fmoc-1-amino-4,7,10-trioxa-13-tridecanamine succinimic acid, 95% | 172089-14-4 Fmoc-1-amino-4,7,10-trioxa-13-tridecanamine succinimic acid, 95%|313356|172089-14-4 https://www.jk-sci.com/products/a01314105 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/324105.png?v=1791769514 2,5-Diphenyl-1,3,4-oxadiazole, 97% | 725-12-2 2,5-Diphenyl-1,3,4-oxadiazole, 97%|314105|725-12-2 https://www.jk-sci.com/products/a01314109 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314109.png?v=1791769512 (R)-3-(Fmoc-amino)-3-phenylpropionic acid, 98% | 220498-02-2 (R)-3-(Fmoc-amino)-3-phenylpropionic acid, 98%|314109|220498-02-2 https://www.jk-sci.com/products/a01314673 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314673.png?v=1791769495 Methyl gallate, 99% | 99-24-1 Methyl gallate, 99%|314673|99-24-1 https://www.jk-sci.com/products/ts246cs-0043094 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a18c6803e99318fa92eb5a9b893753bb.jpg?v=1791684152 8-Chloro-3-fluoro-1,5-naphthyridine, 95% | 1151802-02-6 8-Chloro-3-fluoro-1,5-naphthyridine|CS-0043094|1151802-02-6 https://www.jk-sci.com/products/ts246cs-0043104 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8169321a07a537a18f7df70627b379a7.jpg?v=1791684146 (R)-2-(Benzylamino)-3-hydroxypropanoic acid, 98% | 106910-77-4 (R)-2-(Benzylamino)-3-hydroxypropanoic acid|CS-0043104|106910-77-4 https://www.jk-sci.com/products/ts246cs-0043115 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52a825e991a6076848d5b6ace18bd9d7.jpg?v=1791684126 Pyridin-4-ylmethanol hydrobromide, 95% | 65737-59-9 Pyridin-4-ylmethanol hydrobromide|CS-0043115|65737-59-9 https://www.jk-sci.com/products/s57c4x-15222 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_91a00129-71ea-4c72-8eb6-6e10d2c18103.png?v=1791716185 Aztreonam Impurity 2, 93.40% Aztreonam Impurity 2|C4X-15222 https://www.jk-sci.com/products/s57c4x-15226 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6438cb7e5efea757304c3cf82ff7daaa.jpg?v=1791716185 Desulfo Aztreonam(Aztreonam USP RC D), 91.90% | 102579-59-9 Desulfo Aztreonam(Aztreonam USP RC D)|C4X-15226|102579-59-9 https://www.jk-sci.com/products/s57c4x-15231 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b447d6909b4b807ce24d4d9fddc6427c.jpg?v=1791716176 Rebamipide Impurity 1, 98.60% | 94670-39-0 Rebamipide Impurity 1|C4X-15231|94670-39-0 https://www.jk-sci.com/products/s57c4x-152313 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268433.png?v=1791716176 Rebamipide, 98.50% | 90098-04-7 Rebamipide|C4X-152313|90098-04-7 https://www.jk-sci.com/products/s57c4x-15228 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f84934dad319f5dfd9b775b5e1f6d8db.jpg?v=1791716181 Aztreonam E-Isomer(Aztreonam USP RC E), 88.30% | 99341-02-3 Aztreonam E-Isomer(Aztreonam USP RC E)|C4X-15228|99341-02-3 https://www.jk-sci.com/products/s57c4x-152319 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502833.png?v=1791716170 Rebamipide impurity 19, Purity: 98.4% | 698-16-8 Rebamipide impurity 19|C4X-152319|698-16-8 https://www.jk-sci.com/products/s57c4x-15233 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3e96a4eeff7bf6eabd5934a9733bda4_f95ee4ff-9c8c-4ae0-9d03-210f044d73eb.jpg?v=1791716165 Rebamipide Impurity 3, 98.40% | 90098-05-8 Rebamipide Impurity 3|C4X-15233|90098-05-8 https://www.jk-sci.com/products/s57c4x-15237 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e661704efc85051cc88f909e84e85b9c.jpg?v=1791716160 Rebamipide Impurity 7, 94.60% | 90098-08-1 Rebamipide Impurity 7|C4X-15237|90098-08-1 https://www.jk-sci.com/products/s57c4x-1525108 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f723e3f-605e-4479-94b0-2704244bbd98.png?v=1791716160 N-Nitroso Formoterol Impurity 108, 99.30% N-Nitroso Formoterol Impurity 108|C4X-1525108 https://www.jk-sci.com/products/s57c4x-152517 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7600467980a5aa98826eedd9883d0ea.jpg?v=1791716155 N-(5-Formyl-2-hydroxyphenyl)formamide, 94.80% | 903563-43-9 N-(5-Formyl-2-hydroxyphenyl)formamide|C4X-152517|903563-43-9 https://www.jk-sci.com/products/s57c4x-152522 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322ca43a0c59a8ec964e32bd3938eb7f_6a03c7ae-ba0e-49fc-88ed-970f4df0dbb2.jpg?v=1791716150 Formoterol Impurity 22 HCl, 97.50% | 1049695-95-5 Formoterol Impurity 22 HCl|C4X-152522|1049695-95-5 https://www.jk-sci.com/products/s57c4x-15256 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472ac2ed77c43c084e34613fceca130a.jpg?v=1791716139 Formoterol EP Impurity F (Mixture of Diastereomers), 82.10% | 1795129-59-7 Formoterol EP Impurity F (Mixture of Diastereomers)|C4X-15256|1795129-59-7 https://www.jk-sci.com/products/s57c4x-15254 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e31ff6dba72ca156eb70b5a53cfb5c2.jpg?v=1791716144 Formoterol EP Impurity D, 95.50% | 1795133-96-8 Formoterol EP Impurity D|C4X-15254|1795133-96-8 https://www.jk-sci.com/products/s57c4x-152584 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9291e24a-b11a-4f03-b3c1-f3620df487d7.png?v=1791716136 N-Nitroso-(R,R)-Formoterol, 99.10% N-Nitroso-(R,R)-Formoterol|C4X-152584 https://www.jk-sci.com/products/s57c4x-15259 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3adf14415111bc23e2d3f4d8b3ee329.jpg?v=1791716132 Formoterol EP Impurity I (Enantiomer Mixture), 94.50% | 532414-36-1 Formoterol EP Impurity I (Enantiomer Mixture)|C4X-15259|532414-36-1 https://www.jk-sci.com/products/s57c4x-15262 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df523503fbd3e65b2bc45e3045b7c0d8.jpg?v=1791716130 Thioctic acid Impurity 2, 95.70% | 108015-78-7 Thioctic acid Impurity 2|C4X-15262|108015-78-7 https://www.jk-sci.com/products/s57c4x-151027 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_050be250-6bc0-452a-8aa7-ca8902062ea5.png?v=1791716367 Calcitriol Impurity 27, 78.80% Calcitriol Impurity 27|C4X-151027 https://www.jk-sci.com/products/s57c4x-151120 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_33d65f48-ab88-43c7-a0bd-07ccf8147ac4.png?v=1791716357 N-Nitroso Mirtazapine EP Impurity D, 97.70% N-Nitroso Mirtazapine EP Impurity D|C4X-151120 https://www.jk-sci.com/products/s57c4x-15116 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8711f0020ca520a58f1d5be2b218d33.jpg?v=1791716351 Mirtazapine EP Impurity D HCl, Purity: 97.5% | 1188265-41-9 Mirtazapine EP Impurity D HCl|C4X-15116|1188265-41-9 https://www.jk-sci.com/products/s57c4x-15131 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33fad9a81f1b0028f66577325de818e7.jpg?v=1791716347 Doxofylline Impurity 1, 93.10% | 1429636-74-7 Doxofylline Impurity 1|C4X-15131|1429636-74-7 https://www.jk-sci.com/products/s57c4x-151478 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5075d993c55f31a4a896e2abfbb534aa.jpg?v=1791716282 Noradrenalone EP Impurity B, 98.10% | 499-61-6 Noradrenalone EP Impurity B|C4X-151478|499-61-6 https://www.jk-sci.com/products/s57c4x-151321 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57103c39-6efa-4303-af90-559036c7595f.png?v=1791716336 Doxofylline Impurity 21, Purity: 95.4% Doxofylline Impurity 21|C4X-151321 https://www.jk-sci.com/products/s57c4x-15156 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f254aecc2b9a6439f073c7b742cf1f40.jpg?v=1791716263 Mycophenolate Mofetil EP Impurity C (Z-isomer), 99.70% | 2286278-51-9 Mycophenolate Mofetil EP Impurity C (Z-isomer)|C4X-15156|2286278-51-9 https://www.jk-sci.com/products/s57c4x-152236 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c2e07d0-21d9-4121-a3ad-2a146fa57b4d.png?v=1791716185 Aztreonam Dimer Impurity 36, 94.40% Aztreonam Dimer Impurity 36|C4X-152236 https://www.jk-sci.com/products/s57c4x-15234 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a4a77f272b60339daeb0f5f96f3bd0c.jpg?v=1791716165 Rebamipide Impurity 4, 94.50% | 100342-53-8 Rebamipide Impurity 4|C4X-15234|100342-53-8 https://www.jk-sci.com/products/s57c4x-152314 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319699_b6e37bc0-649d-45ea-a88d-35adba6bacb1.png?v=1791716170 Rebamipide Impurity 14, 99.60% | 619-56-7 Rebamipide Impurity 14|C4X-152314|619-56-7 https://www.jk-sci.com/products/s57c4x-15229 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ca7036d67d8b2b41d8db9fdaae48737.jpg?v=1791716181 Aztreonam Ethyl Ester(Aztreonam USP RC F), 90.60% | 102579-57-7 Aztreonam Ethyl Ester(Aztreonam USP RC F)|C4X-15229|102579-57-7 https://www.jk-sci.com/products/s57c4x-15253 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6f42e6cb9587952fb671144938e8ca1.jpg?v=1791716145 Formoterol EP Impurity C, 96.30% | 1795135-61-3 Formoterol EP Impurity C|C4X-15253|1795135-61-3 https://www.jk-sci.com/products/s57c4x-152513 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33454bae8edd5f8c71fe7d3b817edd5f.jpg?v=1791716155 Formoterol EP Impurity A, 95.20% | 150513-24-9 Formoterol EP Impurity A|C4X-152513|150513-24-9 https://www.jk-sci.com/products/s57c4x-15258 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5e2112d7-8327-44fa-8cd1-aa88110cc47d.png?v=1791716138 Formoterol EP Impurity H (Enantiomer Mixture), 93.90% Formoterol EP Impurity H (Enantiomer Mixture)|C4X-15258 https://www.jk-sci.com/products/s57c4x-15261 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362901_6c0680ca-75d7-4695-a253-8484cdb582cd.png?v=1791716133 Thioctic acid Impurity 1, 90.60% | 462-20-4 Thioctic acid Impurity 1|C4X-15261|462-20-4 https://www.jk-sci.com/products/s57c4x-152661 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600436.png?v=1791716114 Thioctic acid impurity 61, Purity: 96.7% | 26825-92-3 Thioctic acid impurity 61|C4X-152661|26825-92-3 https://www.jk-sci.com/products/s57c4x-152710 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bfe4b07be465d5f9441871b0b1c029e.jpg?v=1791716116 Abacavir EP Impurity C, 92.40% | 124752-25-6 Abacavir EP Impurity C|C4X-152710|124752-25-6 https://www.jk-sci.com/products/s57c4x-15265 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540981_45338d56-4103-4bc7-8418-1d56c844aaf7.png?v=1791716126 (R)-α-Lipoic Acid, 99.90% | 1200-22-2 (R)-α-Lipoic Acid|C4X-15265|1200-22-2 https://www.jk-sci.com/products/s57c4x-152659 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332860.png?v=1791716122 Thioctic acid impurity 59, Purity: 97.8% | 28598-81-4 Thioctic acid impurity 59|C4X-152659|28598-81-4 https://www.jk-sci.com/products/s57c4x-15313 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494794.png?v=1791716104 Diclofenac Methyl Ester (Aceclofenac EP Impurity B), Purity: 99.8% | 15307-78-5 Diclofenac Methyl Ester (Aceclofenac EP Impurity B)|C4X-15313|15307-78-5 https://www.jk-sci.com/products/s57c4x-15277 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/919422da75d027bf526e09350ee42586_b31bec22-ce8a-4690-90c1-d563a41807bd.jpg?v=1791716105 Abacavir Impurity 7, 85.60% | 120503-69-7 Abacavir Impurity 7|C4X-15277|120503-69-7 https://www.jk-sci.com/products/s57c4x-153214 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d1565008b3ddf3fa2318576b68a072a.jpg?v=1791716090 Acetylcysteine Impurity 14, 98.50% | 62305-89-9 Acetylcysteine Impurity 14|C4X-153214|62305-89-9 https://www.jk-sci.com/products/s57c4x-15321 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cd26c89ffbb311b6f7b73341516bf9e.jpg?v=1791716099 N-Acetyl-D-cysteine, 94.80% | 26117-28-2 N-Acetyl-D-cysteine|C4X-15321|26117-28-2 https://www.jk-sci.com/products/s57c4x-153212 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599318.png?v=1791716094 Acetylcysteine Impurity 12, 91.70% | 1115-65-7 Acetylcysteine Impurity 12|C4X-153212|1115-65-7 https://www.jk-sci.com/products/s57c4x-153234 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/483364_59ddc350-1879-4dc1-a92b-ab1e0afe28cf.png?v=1791716080 L-Cystine, 98.90% | 56-89-3 L-Cystine|C4X-153234|56-89-3 https://www.jk-sci.com/products/s57c4x-153236 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93b1f0bc1c6c7c1af8069a06bac91782_2415ce6e-319b-46ab-ae89-41188b87729b.jpg?v=1791716079 Acetylcysteine Impurity 36, 96.70% | 18725-37-6 Acetylcysteine Impurity 36|C4X-153236|18725-37-6 https://www.jk-sci.com/products/s57c4x-153238 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519855_197ed33a-4ba7-4131-a87a-f6f6b6d927bf.png?v=1791716074 Acetylcysteine Impurity 38, 92.30% | 5545-17-5 Acetylcysteine Impurity 38|C4X-153238|5545-17-5 https://www.jk-sci.com/products/s57c4x-153222 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4218137c-5748-4fbc-bb45-b37bdfd65016.png?v=1791716089 Acetylcysteine Impurity 22, Purity: 95.6% Acetylcysteine Impurity 22|C4X-153222 https://www.jk-sci.com/products/s57c4x-153523 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f31969ba2afa240ef9e7c5336b351c69.jpg?v=1791716069 Albendazole Impurity 23, Purity: 94.3% | 21729-98-6 Albendazole Impurity 23|C4X-153523|21729-98-6 https://www.jk-sci.com/products/s57c4x-153229 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd534633-60e3-49c6-8871-7dafdd11796e.png?v=1791716083 Acetylcysteine Impurity 29, 84.50% Acetylcysteine Impurity 29|C4X-153229 https://www.jk-sci.com/products/s57c4x-15351 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b58d3a868cc1b5cb9385246f588f6350.jpg?v=1791716071 Albendazole EP Impurity A, Purity: 98.6% | 80983-36-4 Albendazole EP Impurity A|C4X-15351|80983-36-4 https://www.jk-sci.com/products/s57c4x-15356 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/defe95c2716f12e453d680935283da8a.jpg?v=1791716062 Albendazole EP Impurity F, Purity: 99.1% | 80983-45-5 Albendazole EP Impurity F|C4X-15356|80983-45-5 https://www.jk-sci.com/products/s57c4x-153916 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51afbf46db2e77ee71d553b325f7b5ce.jpg?v=1791716052 Alverine EP Impurity D, 96.60% | 2732347-30-5 Alverine EP Impurity D|C4X-153916|2732347-30-5 https://www.jk-sci.com/products/s57c4x-15354 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245303_c11d7aec-5e7e-483b-8274-0b4af88a6d31.png?v=1791716064 Albendazole EP Impurity D, Purity: 99.7% | 80983-34-2 Albendazole EP Impurity D|C4X-15354|80983-34-2 https://www.jk-sci.com/products/s57c4x-153910 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_614be85e-9bb6-4031-9670-3c289ab9dd00.png?v=1791716054 Alverine Impurity 10 HCl, 99.30% Alverine Impurity 10 HCl|C4X-153910 https://www.jk-sci.com/products/s57c4x-15393 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1ec0bbc9846d1c8b28959a20fc13b00.jpg?v=1791716049 Alverine EP Impurity E HCl, 93.60% | 878784-75-9 Alverine EP Impurity E HCl|C4X-15393|878784-75-9 https://www.jk-sci.com/products/s57c4x-1537 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/812772.png?v=1791716060 Aliskiren, 91.10% | 173334-57-1 Aliskiren|C4X-1537|173334-57-1 https://www.jk-sci.com/products/s57c4x-15411 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0587b22f9b393d1fbb073c59be986d6e.jpg?v=1791716046 Nortriptyline-d3 HCl, Purity>95% | 203784-52-5 Nortriptyline-d3 HCl|C4X-15411|203784-52-5 https://www.jk-sci.com/products/s57c4x-15414 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278434.png?v=1791716040 Amitriptyline EP Impurity B, 99.20% | 6202-23-9 Amitriptyline EP Impurity B|C4X-15414|6202-23-9 https://www.jk-sci.com/products/s57c4x-15416 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/300679.png?v=1791716036 Amitriptyline-d3*HCl, Purity>90% | 342611-00-1 Amitriptyline-d3*HCl|C4X-15416|342611-00-1 https://www.jk-sci.com/products/s57c4x-154214 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_192b8720-1cc5-410d-8043-ab423f51ce3a.png?v=1791716022 AmorolfineEP Impurity I HCl, 96.20% AmorolfineEP Impurity I HCl|C4X-154214 https://www.jk-sci.com/products/s57c4x-154211 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d005d1c-4d2b-40ca-b4be-f140e08cc169.png?v=1791716032 Amorolfine EP Impurity D HCl, 99.80% Amorolfine EP Impurity D HCl|C4X-154211 https://www.jk-sci.com/products/s57c4x-154221 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d7a98570-40b7-4ba0-a4c7-829a71ad5bcb.png?v=1791716023 Amorolfine EP impurity M HCl, 95.60% Amorolfine EP impurity M HCl|C4X-154221 https://www.jk-sci.com/products/s57c4x-154241 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96cf34f7907e357a7f1618b233696a7e.jpg?v=1791716014 Amorolfine Impurity 41, 95.80% | 5445-77-2 Amorolfine Impurity 41|C4X-154241|5445-77-2 https://www.jk-sci.com/products/s57c4x-154224 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef3af6df59e26e0c8a7eb4ddb7dde6d5.jpg?v=1791716019 Amorolfine EP Impurity G HCl, 97.40% | 1260498-35-8 Amorolfine EP Impurity G HCl|C4X-154224|1260498-35-8 https://www.jk-sci.com/products/s57c4x-15426 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375b255338b00f6148dd59df6b586c6c.jpg?v=1791716006 Amorolfine EP Impurity F, 95.60% | 106614-66-8 Amorolfine EP Impurity F|C4X-15426|106614-66-8 https://www.jk-sci.com/products/s57c4x-154227 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_218cb108-8d70-4b20-b29e-a46a5af3aa79.png?v=1791716014 Amorolfine EP impurity M, 98.10% Amorolfine EP impurity M|C4X-154227 https://www.jk-sci.com/products/s57c4x-15429 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3b118698-7817-46a6-8381-bec296578deb.png?v=1791716004 Amorolfine EP Impurity H HCl, 98.30% Amorolfine EP Impurity H HCl|C4X-15429 https://www.jk-sci.com/products/s57c4x-154910 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792708.png?v=1791715996 Atenolol EP Impurity J, 90.20% | 81346-71-6 Atenolol EP Impurity J|C4X-154910|81346-71-6 https://www.jk-sci.com/products/s57c4x-1545 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831597.png?v=1791716001 Argireline, 90.20% | 616204-22-9 Argireline|C4X-1545|616204-22-9 https://www.jk-sci.com/products/s57c4x-15494 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49db7e051696975612ef91177db2cec8.jpg?v=1791715991 Atenolol EP Impurity D, Purity: 99.0% | 115538-83-5 Atenolol EP Impurity D|C4X-15494|115538-83-5 https://www.jk-sci.com/products/s57c4x-154917 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c6656b696782fe7c69a5e043c506ac9_fe42c760-4f78-4f2b-b9f6-f494ff3254c2.jpg?v=1791715995 Atenolol EP Impurity A, 98.50% | 17194-82-0 Atenolol EP Impurity A|C4X-154917|17194-82-0 https://www.jk-sci.com/products/s57c4x-155010 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234406030b87e54b4d85b0b43f471614.jpg?v=1791715980 Atomoxetine EP Impurity B HCl, 97.60% | 82857-39-4 Atomoxetine EP Impurity B HCl|C4X-155010|82857-39-4 https://www.jk-sci.com/products/s57c4x-15496 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/841e3a7700fe339593f79efb4aa98499.jpg?v=1791715986 Atenolol EP Impurity F, 98.20% | 87619-83-8 Atenolol EP Impurity F|C4X-15496|87619-83-8 https://www.jk-sci.com/products/s57c4x-15498 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3510231bf0952f9f7d8d36d94517b6d5.jpg?v=1791715986 Atenolol EP Impurity H, Purity: 98.4% | 29277-73-4 Atenolol EP Impurity H|C4X-15498|29277-73-4 https://www.jk-sci.com/products/s57c4x-155018 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85ee95a2-23f8-4a06-a231-066ae8ff5f85.png?v=1791715975 Atomoxetine Impurity 18, Purity: 98.7% Atomoxetine Impurity 18|C4X-155018 https://www.jk-sci.com/products/s57c4x-155028 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac81033782f27276571df4923a4a82e1.jpg?v=1791715972 rac-Atomoxetine EP Impurity C HCl, Purity: 99.8% | 873310-31-7 rac-Atomoxetine EP Impurity C HCl|C4X-155028|873310-31-7 https://www.jk-sci.com/products/s57c4x-15503 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ee1da35ad4bc9531fe0140ad05667ef.jpg?v=1791715971 Atomoxetine EP Impurity C HCl, 96.50% | 1643684-06-3 Atomoxetine EP Impurity C HCl|C4X-15503|1643684-06-3 https://www.jk-sci.com/products/s57c4x-155036 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc2b7b24d5e6ec9a8e8adacc4396e607.jpg?v=1791715958 Atomoxetine impurity 36, 96.60% | 2659259-65-9 Atomoxetine impurity 36|C4X-155036|2659259-65-9 https://www.jk-sci.com/products/s57c4x-15506 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/528505_a13e8d2b-9c77-46bf-9223-5e96a8499c0a.png?v=1791715959 Atomoxetine EP Impurity E, 98.90% | 17199-29-0 Atomoxetine EP Impurity E|C4X-15506|17199-29-0 https://www.jk-sci.com/products/s57c4x-1551 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469909.png?v=1791715953 Atovaquone, 98.50% | 95233-18-4 Atovaquone|C4X-1551|95233-18-4 https://www.jk-sci.com/products/s57c4x-15515 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad75f532a358b43f52ca6547ab2aadc7.jpg?v=1791715947 Atovaquone EP Impurity A, 99.90% | 2517583-91-2 Atovaquone EP Impurity A|C4X-15515|2517583-91-2 https://www.jk-sci.com/products/s57c4x-15546 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11e0eee7e225b27ae4cf0194b2a0ab58.jpg?v=1791715948 Balsalazide Impurity 6, 96.60% | 1346606-13-0 Balsalazide Impurity 6|C4X-15546|1346606-13-0 https://www.jk-sci.com/products/s57c4x-15601 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08e1b878af1d5ab808b8f534b71d25fe.jpg?v=1791715937 Bifonazole EP Impurity D Chloride, 94.80% | 66600-13-3 Bifonazole EP Impurity D Chloride|C4X-15601|66600-13-3 https://www.jk-sci.com/products/s57c4x-155921 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_48ec68bd-876e-48ad-8eb6-b170cc268cd6.png?v=1791715937 Betaxolol Impurity 21, Purity: 99.5% Betaxolol Impurity 21|C4X-155921 https://www.jk-sci.com/products/s57c4x-156012 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_026d342e-fdbe-4174-9b03-a2b9aa521cfc.png?v=1791715926 Bifonazole Impurity 12, 91.60% Bifonazole Impurity 12|C4X-156012 https://www.jk-sci.com/products/s57c4x-15602 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd89954e52153709af162038c526df0a.jpg?v=1791715927 Bifonazole EP Impurity E(Mixture of Diastereomers), 94.30% | 2469554-07-0 Bifonazole EP Impurity E(Mixture of Diastereomers)|C4X-15602|2469554-07-0 https://www.jk-sci.com/products/s57c4x-15604 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f7138f5342406cc59c62721676268f2.jpg?v=1791715917 Bifonazole EP Impurity A, 99.20% | 7598-80-3 Bifonazole EP Impurity A|C4X-15604|7598-80-3 https://www.jk-sci.com/products/s57c4x-15607 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05b328a8ae60c53431fb2a8c4aed5bbd.jpg?v=1791715911 Bifonazole Impurity 7, 98.00% | 91487-87-5 Bifonazole Impurity 7|C4X-15607|91487-87-5 https://www.jk-sci.com/products/s57c4x-156310 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fda0b3f4ea047d34d711e87aef26e3b.jpg?v=1791715906 Biotin Impurity 10, 92.40% | 57671-79-1 Biotin Impurity 10|C4X-156310|57671-79-1 https://www.jk-sci.com/products/s57c4x-156315 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea1023e5bebbae06f1c27101ec23d4db.jpg?v=1791715906 Biotin Impurity 15, 93.40% | 56859-26-8 Biotin Impurity 15|C4X-156315|56859-26-8 https://www.jk-sci.com/products/s57c4x-156318 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e4f17ca906264e8ea4af59315bef917.jpg?v=1791715899 Biotin impurity 18, 93.70% | 4375-00-2 Biotin impurity 18|C4X-156318|4375-00-2 https://www.jk-sci.com/products/s57c4x-15634 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe849f48408a61528e0430ddec00ee22.jpg?v=1791715895 Biotin Impurity 4, 92.00% | 76335-62-1 Biotin Impurity 4|C4X-15634|76335-62-1 https://www.jk-sci.com/products/s57c4x-15638 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586211.png?v=1791715889 Biotin Impurity 8, 91.10% | 22342-46-7 Biotin Impurity 8|C4X-15638|22342-46-7 https://www.jk-sci.com/products/s57c4x-156329 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d15d0d3-daab-4149-9470-f85bbf45cacd.png?v=1791715894 Biotin impurity 29, 93.20% Biotin impurity 29|C4X-156329 https://www.jk-sci.com/products/s57c4x-156610 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8381fc410951205619ec63fbe6232378.jpg?v=1791715884 Brimonidine EP Impurity D, 93.90% | 842138-74-3 Brimonidine EP Impurity D|C4X-156610|842138-74-3 https://www.jk-sci.com/products/s57c4x-156612 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f935fa152dccd3cd76fb258bd33fdd14.jpg?v=1791715883 Brimonidine EP Impurity G Trifluoroacetic acid salt, 94.60% | 1391054-10-6 Brimonidine EP Impurity G Trifluoroacetic acid salt|C4X-156612|1391054-10-6 https://www.jk-sci.com/products/s57c4x-156615 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/703e9a816fbfcefe0b97ae939eb45132.jpg?v=1791715880 Brimonidine Impurity 15, 97.40% | 91147-46-5 Brimonidine Impurity 15|C4X-156615|91147-46-5 https://www.jk-sci.com/products/s57c4x-15662 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310091_8fed4ec9-7bfd-40de-bf51-b49da655983a.png?v=1791715874 Brimonidine EP Impurity B, 90.10% | 50358-63-9 Brimonidine EP Impurity B|C4X-15662|50358-63-9 https://www.jk-sci.com/products/s57c4x-15665 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55c6d87e2e4d7879591b87ac693e8a16.jpg?v=1791715856 Brimonidine EP Impurity E, 80.10% | 168329-48-4 Brimonidine EP Impurity E|C4X-15665|168329-48-4 https://www.jk-sci.com/products/s57c4x-1567 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44532f5b409008101c2c72b9f2a4bed.jpg?v=1791715852 Brivanib, 95.10% | 649735-46-6 Brivanib|C4X-1567|649735-46-6 https://www.jk-sci.com/products/s57c4x-156624 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0b2382d-97c8-409c-adba-af505896c2e2.png?v=1791715869 Brimonidine Impurity 24, 99.70% Brimonidine Impurity 24|C4X-156624 https://www.jk-sci.com/products/s57c4x-156911 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515471.png?v=1791715850 Clotrimazole Impurity 11, 99.50% | 611-19-8 Clotrimazole Impurity 11|C4X-156911|611-19-8 https://www.jk-sci.com/products/s57c4x-156631 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eea554f6-2f7a-454d-bb19-b088414e589b.png?v=1791715860 Brimonidine Impurity 31, 90.60% Brimonidine Impurity 31|C4X-156631 https://www.jk-sci.com/products/s57c4x-156922 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b18621813aa0c111f348ca1a212695.jpg?v=1791715845 Clotrimazole Impurity 22, 93.10% | 59154-29-9 Clotrimazole Impurity 22|C4X-156922|59154-29-9 https://www.jk-sci.com/products/s57c4x-156626 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c6247227-abcd-4f3f-b72c-b747d68037cf.png?v=1791715865 Brimonidine Impurity 26, 97.90% Brimonidine Impurity 26|C4X-156626 https://www.jk-sci.com/products/s57c4x-157725 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34458dbfe9bf06718b81e3e52adf6eec.jpg?v=1791715797 Cefazolin EP Impurity J, 87.60% | 1675245-00-7 Cefazolin EP Impurity J|C4X-157725|1675245-00-7 https://www.jk-sci.com/products/s57c4x-157711 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7d2ddd003b7423517446cfc5ba1b879.jpg?v=1791715807 Cefazolin Impurity 11（Cefazolin USP Impurity E）, 92.40% | 478494-71-2 Cefazolin Impurity 11（Cefazolin USP Impurity E）|C4X-157711|478494-71-2 https://www.jk-sci.com/products/s57c4x-15693 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371713.png?v=1791715843 Clotrimazole EP Impurity C, 99.70% | 42074-68-0 Clotrimazole EP Impurity C|C4X-15693|42074-68-0 https://www.jk-sci.com/products/s57c4x-157541 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b57003b8-6ccc-49a7-9e27-e6ea19114b87.png?v=1791715811 Caspofungin for system suitability CRS 2, Purity: 97.6% Caspofungin for system suitability CRS 2|C4X-157541 https://www.jk-sci.com/products/s57c4x-157745 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d9c795c4-ad8a-4f5d-8f3f-19bfd897aac3.png?v=1791715795 Cefazolin USP Related Compound D(Diastereoisomer Mixture), 94.50% Cefazolin USP Related Compound D(Diastereoisomer Mixture)|C4X-157745 https://www.jk-sci.com/products/s57c4x-15743 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34f11d31b1d1751cf2cca5cc8a8598a.jpg?v=1791715824 Carvedilol EP impurity C, Purity: 99.9% | 72955-94-3 Carvedilol EP impurity C|C4X-15743|72955-94-3 https://www.jk-sci.com/products/s57c4x-157842 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609919_b11acf0f-ef7a-457f-a94b-aec7d9c6e82e.png?v=1791715792 Cefoxitin, 94.80% | 35607-66-0 Cefoxitin|C4X-157842|35607-66-0 https://www.jk-sci.com/products/s57c4x-157721 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da792d51e41a92efcbfd41032ef8cf60.jpg?v=1791715802 Cefazolin EP Impurity G, 96.50% | 1172998-53-6 Cefazolin EP Impurity G|C4X-157721|1172998-53-6 https://www.jk-sci.com/products/s57c4x-15742 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6483a4be5aefc75cb6835b8a744637c1.jpg?v=1791715828 Carvedilol EP impurity B, 90.80% | 918903-20-5 Carvedilol EP impurity B|C4X-15742|918903-20-5 https://www.jk-sci.com/products/s57c4x-15713 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386987_fbc227b8-66e4-46c9-a03a-46cb61628a08.png?v=1791715834 Camptothecin 7-Ethyl-10-Hydroxy Impurity, 95.50% | 86639-52-3 Camptothecin 7-Ethyl-10-Hydroxy Impurity|C4X-15713|86639-52-3 https://www.jk-sci.com/products/s57c4x-157410 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2807ff3b60ff1bcac887d3e623b4977.jpg?v=1791715833 Carvedilol impurity 10, Purity: 98.7% | 1276477-91-8 Carvedilol impurity 10|C4X-157410|1276477-91-8 https://www.jk-sci.com/products/s57c4x-157719 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15549954703a3ee5521c93ef47f94685.jpg?v=1791715807 Cefazolin EP Impurity D(Cefazolin USP RC J), 90.10% | 32510-61-5 Cefazolin EP Impurity D(Cefazolin USP RC J)|C4X-157719|32510-61-5 https://www.jk-sci.com/products/s57c4x-15711 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550528.png?v=1791715839 Camptothecin 10-Hydroxy Impurity, Purity: 99.2% | 19685-09-7 Camptothecin 10-Hydroxy Impurity|C4X-15711|19685-09-7 https://www.jk-sci.com/products/s57c4x-157524 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cabedc12d4e32f2ec6be0f23f56231a.jpg?v=1791715816 Caspofungin Impurity 24, Purity>95% | 1131958-73-0 Caspofungin Impurity 24|C4X-157524|1131958-73-0 https://www.jk-sci.com/products/a01315000 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315000.png?v=1791769480 5-Methoxyindole-2-carboxylic acid, 99% | 4382-54-1 5-Methoxyindole-2-carboxylic acid, 99%|315000|4382-54-1 https://www.jk-sci.com/products/ts246cs-0043120 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616863.png?v=1791684120 2-Amino-5-chlorobenzenesulfonic acid, 95% | 133-74-4 2-Amino-5-chlorobenzenesulfonic acid|CS-0043120|133-74-4 https://www.jk-sci.com/products/s57c4x-158223 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2cdbf2e4-0552-4003-8a99-b1b045683c8d.png?v=1791715760 Cetirizine Impurity 23 XTFA salt, 78.60% Cetirizine Impurity 23 XTFA salt|C4X-158223 https://www.jk-sci.com/products/s57c4x-15796 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19a0c415fcf98d45f6152cb4d7c1fc33.jpg?v=1791715773 Cefpodoxime Proxetil EP Impurity F, 91.10% | 96680-30-7 Cefpodoxime Proxetil EP Impurity F|C4X-15796|96680-30-7 https://www.jk-sci.com/products/s57c4x-157910 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a06c3f4-33f3-4b98-9246-a37bc0cbf94f.png?v=1791715785 Cefpodoxime Proxetil Impurity 10, 97.70% Cefpodoxime Proxetil Impurity 10|C4X-157910 https://www.jk-sci.com/products/s57c4x-157941 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464210.png?v=1791715777 Cefpodoxime Proxetil Impurity 41, Purity: 95.6% | 98298-66-9 Cefpodoxime Proxetil Impurity 41|C4X-157941|98298-66-9 https://www.jk-sci.com/products/s57c4x-15793 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40360aed34cfa2dfc7a7e9ae21024ab6.jpg?v=1791715781 Cefpodoxime Proxetil EP Impurity C, purity：95% | 339528-86-8 Cefpodoxime Proxetil EP Impurity C|C4X-15793|339528-86-8 https://www.jk-sci.com/products/s57c4x-15798 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/056ece95727bb3f41636748362a79025.jpg?v=1791715771 Cefpodoxime Proxetil Impurity 8, 93.10% | 1192365-87-9 Cefpodoxime Proxetil Impurity 8|C4X-15798|1192365-87-9 https://www.jk-sci.com/products/s57c4x-1579 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c42bfc6eaa06e9e2ef9a126ef7f890b6.jpg?v=1791715787 Cefpodoxime Proxetil, 96.50% | 87239-81-4 Cefpodoxime Proxetil|C4X-1579|87239-81-4 https://www.jk-sci.com/products/s57c4x-158210 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449713_524dd75d-6b73-46a4-aab8-20a52316a99a.png?v=1791715766 Cetirizine Impurity 10, 99.60% | 1016-78-0 Cetirizine Impurity 10|C4X-158210|1016-78-0 https://www.jk-sci.com/products/s57c4x-158213 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87655806d18b21eaa21f49326ff9bcbd.jpg?v=1791715761 Cetirizine Impurity 13, 97.70% | 83881-37-2 Cetirizine Impurity 13|C4X-158213|83881-37-2 https://www.jk-sci.com/products/ts246cs-0043141 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a13d75e8588320260df6d654175119d8_8f8def83-d91c-49f1-bdb6-32b16965e176.jpg?v=1791684099 cis-Ethyl 4-aminocyclohexanecarboxylate hydrochloride, 98.00%+ | 61367-17-7 cis-Ethyl 4-aminocyclohexanecarboxylate hydrochloride|CS-0043141|61367-17-7 https://www.jk-sci.com/products/ts246cs-0043152 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0b7a93a8debf1749f2b04161a7114be.jpg?v=1791684082 4-Bromo-3-methyl-1H-pyrrolo[2,3-b]pyridine, 97% | 1363382-02-8 4-Bromo-3-methyl-1H-pyrrolo[2,3-b]pyridine|CS-0043152|1363382-02-8 https://www.jk-sci.com/products/s57c4x-158224 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f168788-32b1-4b1d-8477-55fb01663f91.png?v=1791715756 Cetirizine Impurity 24 Fumarate, 89.30% Cetirizine Impurity 24 Fumarate|C4X-158224 https://www.jk-sci.com/products/s57c4x-158616 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615a31e03a0acf803dbd3ca25b774851.jpg?v=1791715756 Cholecalciferol EP Impurity F (Cholecalciferol Butyrate), 93.10% | 31316-20-8 Cholecalciferol EP Impurity F (Cholecalciferol Butyrate)|C4X-158616|31316-20-8 https://www.jk-sci.com/products/s57c4x-158625 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71a5d63c-c81c-4122-8b9a-4c217ac2922a.png?v=1791715750 Cholecalciferol Impurity 25, 99.70% Cholecalciferol Impurity 25|C4X-158625 https://www.jk-sci.com/products/s57c4x-158910 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98141cf98a24388f3d2654444a1ef463.jpg?v=1791715746 Cimetidine EP Impurity J DiHCl, 96.00% | 38603-72-4 Cimetidine EP Impurity J DiHCl|C4X-158910|38603-72-4 https://www.jk-sci.com/products/s57c4x-15893 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45009d7a51f21b9fa9247ed5a4cc01e2.jpg?v=1791715731 Cimetidine EP Impurity C, Purity: 93.4% | 77076-18-7 Cimetidine EP Impurity C|C4X-15893|77076-18-7 https://www.jk-sci.com/products/s57c4x-15892 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eef3cc7374028a093cafaa2bb6f98c9f.jpg?v=1791715736 Cimetidine EP Impurity B, 99.60% | 138035-55-9 Cimetidine EP Impurity B|C4X-15892|138035-55-9 https://www.jk-sci.com/products/ts246cs-0043178 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ca4719c4d1e88a0dab4d615d558c61a.jpg?v=1791684051 Ethyl 2-cyclopropyl-6-oxo-1,6-dihydropyrimidine-5-carboxylate, 95.91%+ | 1044770-39-9 Ethyl 2-cyclopropyl-6-oxo-1,6-dihydropyrimidine-5-carboxylate|CS-0043178|1044770-39-9 https://www.jk-sci.com/products/s57c4x-15864 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d631e75d975d0556a329d80b91a197c.jpg?v=1791715746 Cholecalciferol EP Impurity D, 94.90% | 22350-43-2 Cholecalciferol EP Impurity D|C4X-15864|22350-43-2 https://www.jk-sci.com/products/s57c4x-159116 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbdd44341d50b9b60f282a0940906fd9_66f27677-f686-4a01-827b-e521f4f12e38.jpg?v=1791715683 Parecoxib Impurity 16, 99.00% | 198471-06-6 Parecoxib Impurity 16|C4X-159116|198471-06-6 https://www.jk-sci.com/products/s57c4x-159044 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54fbfa938e214d5e04c7b1d9ef168089.jpg?v=1791715698 Safinamide Impurity 44, Purity: 99.8% | 172685-67-5 Safinamide Impurity 44|C4X-159044|172685-67-5 https://www.jk-sci.com/products/s57c4x-15918 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6efdbab9894b1db7b4a86b5888e69f78.jpg?v=1791715670 Parecoxib Impurity 8, 95.80% | 181696-35-5 Parecoxib Impurity 8|C4X-15918|181696-35-5 https://www.jk-sci.com/products/s57c4x-159144 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/017ecb79a653db2abf710e7f48ee0826.jpg?v=1791715679 Parecoxib Impurity 44, 95.60% | 2338845-31-9 Parecoxib Impurity 44|C4X-159144|2338845-31-9 https://www.jk-sci.com/products/s57c4x-159017 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d98c7cce71e8928d00cce48a002c0f93.jpg?v=1791715717 Safinamide Impurity 17, Purity: 99.1% | 1205608-96-3 Safinamide Impurity 17|C4X-159017|1205608-96-3 https://www.jk-sci.com/products/s57c4x-15896 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a03b9882ebada6739c1951f39db3be72.jpg?v=1791715726 Cimetidine EP Impurity F, 95.70% | 55272-86-1 Cimetidine EP Impurity F|C4X-15896|55272-86-1 https://www.jk-sci.com/products/s57c4x-159036 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/196e8501f6ced3a747900e1d89dfe9e4.jpg?v=1791715698 Safinamide mesylate, 100.00% | 202825-46-5 Safinamide mesylate|C4X-159036|202825-46-5 https://www.jk-sci.com/products/s57c4x-159022 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb71e40d6c7ce5704104277ddbaedfb1.jpg?v=1791715712 Safinamide Impurity 22, 99.80% | 1000370-31-9 Safinamide Impurity 22|C4X-159022|1000370-31-9 https://www.jk-sci.com/products/s57c4x-1591 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b68878403f0dd7dbed97989d84c4c15d_757e1491-a825-452a-ba15-883d97440d4c.jpg?v=1791715684 Parecoxib sodium, 94.40% | 198470-85-8 Parecoxib sodium|C4X-1591|198470-85-8 https://www.jk-sci.com/products/s57c4x-15903 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3b5c4a2f-01f0-4280-8c77-85181249881d.png?v=1791715706 Safinamide Impurity 3, 97.20% Safinamide Impurity 3|C4X-15903 https://www.jk-sci.com/products/s57c4x-159150 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1176876b9581a4c08f9ed677be0385c.jpg?v=1791715673 Parecoxib Impurity 50, 91.90% | 3026677-40-4 Parecoxib Impurity 50|C4X-159150|3026677-40-4 https://www.jk-sci.com/products/s57c4x-159032 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da4460492e3c219e9b3abd9bf5735cc2.jpg?v=1791715703 Safinamide Impurity 32, 99.00% | 133865-88-0 Safinamide Impurity 32|C4X-159032|133865-88-0 https://www.jk-sci.com/products/s57c4x-15898 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dc85fcd9c1d63f0a288c5baacea1a34.jpg?v=1791715722 Cimetidine EP Impurity H, 96.50% | 74886-59-2 Cimetidine EP Impurity H|C4X-15898|74886-59-2 https://www.jk-sci.com/products/s57c4x-15905 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/171ce728c78700d33e2dfb4b39ca89fd.jpg?v=1791715692 Safinamide Impurity 5, 99.90% | 690969-16-5 Safinamide Impurity 5|C4X-15905|690969-16-5 https://www.jk-sci.com/products/ts246cs-0043183 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70a731f4eb7eb094966360e6f7446cbd.jpg?v=1791684047 1-Chloro-9H-carbazole, 97.29%+ | 5599-70-2 1-Chloro-9H-carbazole|CS-0043183|5599-70-2 https://www.jk-sci.com/products/a01316213 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316213.png?v=1791769436 2-Fluoro-4-(trifluoromethyl)benzoic acid, 98% | 115029-24-8 2-Fluoro-4-(trifluoromethyl)benzoic acid, 98%|316213|115029-24-8 https://www.jk-sci.com/products/s57c4x-158917 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7440b48d4d59361bd6d1f6ac6ad302df.jpg?v=1791715737 Cimetidine EP Impurity A, Purity: 99.2% | 52378-40-2 Cimetidine EP Impurity A|C4X-158917|52378-40-2 https://www.jk-sci.com/products/ts246cs-0043163 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c22bc1495dd5c3e4e5f6884ea5a83e97.jpg?v=1791684066 (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate hydrochloride, 95% | 156046-05-8 (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate hydrochloride|CS-0043163|156046-05-8 https://www.jk-sci.com/products/s57c4x-159020 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459347_836ba099-8008-4312-abb6-e8078df6c7ab.png?v=1791715717 Safinamide Impurity 20, 99.60% | 4397-53-9 Safinamide Impurity 20|C4X-159020|4397-53-9 https://www.jk-sci.com/products/s57c4x-159210 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58ced5fef6e448645071f4b8121f034d.jpg?v=1791715665 Clobetasol Propionate EP Impurity J, 93.40% | 1486466-31-2 Clobetasol Propionate EP Impurity J|C4X-159210|1486466-31-2 https://www.jk-sci.com/products/s57c4x-159212 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d823c68822ad805fb2bad6b6aeb40a35.jpg?v=1791715661 Clobetasol Propionate Impurity 12, 98.10% | 3109-01-1 Clobetasol Propionate Impurity 12|C4X-159212|3109-01-1 https://www.jk-sci.com/products/s57c4x-15928 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9d78864b9c695286cbac31144f744a7.jpg?v=1791715654 Clobetasol Propionate EP Impurity H, 99.60% | 4351-48-8 Clobetasol Propionate EP Impurity H|C4X-15928|4351-48-8 https://www.jk-sci.com/products/s57c4x-15951 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a4955725b54c408c90db2441fbb4c20.jpg?v=1791715639 Cloperastine Impurity 1, Purity: 99.0% | 5630-78-4 Cloperastine Impurity 1|C4X-15951|5630-78-4 https://www.jk-sci.com/products/s57c4x-15931 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282723_60826b55-e7a9-41e2-a97d-9882805b6da2.png?v=1791715644 Clofarabine Impurity 1, 99.60% | 1839-18-5 Clofarabine Impurity 1|C4X-15931|1839-18-5 https://www.jk-sci.com/products/s57c4x-159216 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec0b3e4f8c26e3578171441cc8f6208.jpg?v=1791715656 Clobetasol Propionate EP Impurity C, 99.30% | 25122-52-5 Clobetasol Propionate EP Impurity C|C4X-159216|25122-52-5 https://www.jk-sci.com/products/s57c4x-159712 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/070c2ec3d68e80a15df0ef8e5d4f29b2.jpg?v=1791715634 Cloxacillin EP Impurity E, 86.20% | 18704-55-7 Cloxacillin EP Impurity E|C4X-159712|18704-55-7 https://www.jk-sci.com/products/s57c4x-159612 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7b79c43bc172cee0d5b6f39415e88e1.jpg?v=1791715639 Butenafine Impurity 12, 96.40% | 88-03-9 Butenafine Impurity 12|C4X-159612|88-03-9 https://www.jk-sci.com/products/s57c4x-159718 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/320282.png?v=1791715629 Cloxacillin Impurity 18, Purity: 97.4% | 25629-50-9 Cloxacillin Impurity 18|C4X-159718|25629-50-9 https://www.jk-sci.com/products/s57c4x-15991 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133908_60652003-582b-43e5-b0ea-3e3d9b0149a2.png?v=1791715625 Cyclobenzaprine Impurity 1, 96.10% | 1210-35-1 Cyclobenzaprine Impurity 1|C4X-15991|1210-35-1 https://www.jk-sci.com/products/s57c4x-16016 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831a3799be926cfe3147edfcc51d0247.jpg?v=1791715620 Cyproterone Impurity 6, 98.00% | 2668-75-9 Cyproterone Impurity 6|C4X-16016|2668-75-9 https://www.jk-sci.com/products/s57c4x-160624 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc14c76c18bde67c4d108695e1644ee4.jpg?v=1791715620 Darunavir Impurity 24, 99.20% | 1971057-59-6 Darunavir Impurity 24|C4X-160624|1971057-59-6 https://www.jk-sci.com/products/s57c4x-160631 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6645681eadb78a143bb4a40b404bace.jpg?v=1791715608 Darunavir impurity 31, 95.60% | 1291087-81-4 Darunavir impurity 31|C4X-160631|1291087-81-4 https://www.jk-sci.com/products/s57c4x-160740 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549998_c1c9bba0-3674-419b-92b1-33c83bd8d92c.png?v=1791715604 Dasatinib Impurity 40, 99.50% | 103-76-4 Dasatinib Impurity 40|C4X-160740|103-76-4 https://www.jk-sci.com/products/s57c4x-160751 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c22941907ee657dd252bbe38eaa95be.jpg?v=1791715595 Dasatinib-d8, Purity>95% | 1132093-70-9 Dasatinib-d8|C4X-160751|1132093-70-9 https://www.jk-sci.com/products/s57c4x-16111 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380042.png?v=1791715593 Pheniramine Maleate （Dexchlorpheniramine EP Impurity A Maleate Salt）, 98.90% | 132-20-7 Pheniramine Maleate （Dexchlorpheniramine EP Impurity A Maleate Salt）|C4X-16111|132-20-7 https://www.jk-sci.com/products/s57c4x-152268 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dbfd361d-c93a-44bf-a5d9-2f4dc972c3fc.png?v=1791716181 Aztreonam impurity 68, 89.40% Aztreonam impurity 68|C4X-152268 https://www.jk-sci.com/products/s57c4x-151313 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d79519ecb8f3e5121242d72aa89e041.jpg?v=1791716341 Doxofylline Impurity 13, 98.00% | 43135-57-5 Doxofylline Impurity 13|C4X-151313|43135-57-5 https://www.jk-sci.com/products/s57c4x-16123 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420738.png?v=1791715589 2,3-dimethylpyridine, 98.90% | 583-61-9 2,3-dimethylpyridine|C4X-16123|583-61-9 https://www.jk-sci.com/products/s57c4x-15154 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc90a0601c892b18aac1ec35132f4de7.jpg?v=1791716268 Mycophenolate Mofetil EP Impurity E, Purity: 100.0% | 31858-66-9 Mycophenolate Mofetil EP Impurity E|C4X-15154|31858-66-9 https://www.jk-sci.com/products/s57c4x-15252 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f07f924e9e1e2840f5b234ae7229f35.jpg?v=1791716155 Formoterol EP Impurity B, 93.80% | 1224588-66-2 Formoterol EP Impurity B|C4X-15252|1224588-66-2 https://www.jk-sci.com/products/s57c4x-15113 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8127e13ccfdef31b5bae14827afea63a.jpg?v=1791716357 Mirtazapine EP Impurity A, 88.10% | 155172-12-6 Mirtazapine EP Impurity A|C4X-15113|155172-12-6 https://www.jk-sci.com/products/s57c4x-15232 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817cdb79da85e9b09cca01616921057c.jpg?v=1791716171 Rebamipide Impurity 2, Purity: 99.6% | 90098-06-9 Rebamipide Impurity 2|C4X-15232|90098-06-9 https://www.jk-sci.com/products/s57c4x-152660 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/548872_d8133aa3-9301-4edd-a0a9-02eaee28b4ad.png?v=1791716121 Thioctic acid impurity 60, Purity: 99.8% | 105484-55-7 Thioctic acid impurity 60|C4X-152660|105484-55-7 https://www.jk-sci.com/products/s57c4x-152585 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_898a0dbd-0c2e-428d-b32b-8f956fa9094d.png?v=1791716134 N-Nitroso Formoterol, 98.10% N-Nitroso Formoterol|C4X-152585 https://www.jk-sci.com/products/s57c4x-152640 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd8a91afd6594f5521530534c0b38e3b.jpg?v=1791716127 Thioctic acid Impurity 40, 98.40% | 91009-31-3 Thioctic acid Impurity 40|C4X-152640|91009-31-3 https://www.jk-sci.com/products/s57c4x-15315 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45589373b027f9e86ee920b9698fbdef.jpg?v=1791716099 Aceclofenac Methyl Ester (Aceclofenac EP Impurity D), 99.10% | 139272-66-5 Aceclofenac Methyl Ester (Aceclofenac EP Impurity D)|C4X-15315|139272-66-5 https://www.jk-sci.com/products/s57c4x-152713 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_06b0ebef-0d43-4692-9db8-2a510bfd95f4.png?v=1791716108 Abacavir Impurity 13, 96.10% Abacavir Impurity 13|C4X-152713 https://www.jk-sci.com/products/s57c4x-153213 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d77f6885-c5d2-4e18-8622-2b1916f771e2.png?v=1791716094 Acetylcysteine Impurity 13, 95.00% Acetylcysteine Impurity 13|C4X-153213 https://www.jk-sci.com/products/s57c4x-153235 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475960_4ecd58c3-5aa9-450a-a949-5a53a2af3ca9.png?v=1791716079 Acetylcysteine Impurity 35, 97.30% | 52-90-4 Acetylcysteine Impurity 35|C4X-153235|52-90-4 https://www.jk-sci.com/products/s57c4x-153241 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da9fe6f3dc2ca9a5a20237254b5e6301.jpg?v=1791716073 Acetylcysteine Impurity 41, 72.80% | 13100-82-8 Acetylcysteine Impurity 41|C4X-153241|13100-82-8 https://www.jk-sci.com/products/s57c4x-153228 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_32ad878e-6609-493d-8a46-b05b1d6d2bda.png?v=1791716084 N,N'-Diacetyl-L-Lanthionine, 96.40% N,N'-Diacetyl-L-Lanthionine|C4X-153228 https://www.jk-sci.com/products/s57c4x-153912 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1ec0bbc9846d1c8b28959a20fc13b00_926c648c-d707-4b91-a881-820bb2573ec8.jpg?v=1791716054 Alverine EP Impurity E HCl, 93.20% | 878784-75-9 Alverine EP Impurity E HCl|C4X-153912|878784-75-9 https://www.jk-sci.com/products/s57c4x-1536 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279472_79a0946d-5486-486b-ab54-8ed6a6e52eef.png?v=1791716059 Alfuzosin Hydrochloride, 95.00% | 81403-68-1 Alfuzosin Hydrochloride|C4X-1536|81403-68-1 https://www.jk-sci.com/products/s57c4x-15415 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124410_a0d5b5be-40cc-4577-a363-a9c93fe1fc55.png?v=1791716042 Amitriptyline EP Impurity D, Purity: 99.7% | 1159-03-1 Amitriptyline EP Impurity D|C4X-15415|1159-03-1 https://www.jk-sci.com/products/s57c4x-15395 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363724_b2544594-8826-496b-acb5-3237213c4861.png?v=1791716047 Alverine Citrate, 98.40% | 5560-59-8 Alverine Citrate|C4X-15395|5560-59-8 https://www.jk-sci.com/products/s57c4x-15353 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5787d6b4c59548ab053f57dedea963d3_0106d9ab-2140-40ad-814a-f1f7c4c75188.jpg?v=1791716067 Albendazole EP Impurity C, 98.30% | 75184-71-3 Albendazole EP Impurity C|C4X-15353|75184-71-3 https://www.jk-sci.com/products/s57c4x-154212 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85fcaf81-2d9e-4ee3-a8a9-263f283f92ca.png?v=1791716027 Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers), 98.30% Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers)|C4X-154212 https://www.jk-sci.com/products/s57c4x-15424 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43e4970c-ec08-484a-a389-1e6f0054a3b8.png?v=1791716013 Amorolfine EP Impurity A(Mixture of Enantiomers), 90.40% Amorolfine EP Impurity A(Mixture of Enantiomers)|C4X-15424 https://www.jk-sci.com/products/s57c4x-154223 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fa77aed-d9ac-4410-9312-7489617f05eb.png?v=1791716018 Amorofen EP impurity K HCI, 96.90% Amorofen EP impurity K HCI|C4X-154223 https://www.jk-sci.com/products/s57c4x-15428 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cd94095a617361c4510c7c2844fb5b7.jpg?v=1791716007 Amorolfine EP Impurity B, 97.60% | 142347-84-0 Amorolfine EP Impurity B|C4X-15428|142347-84-0 https://www.jk-sci.com/products/s57c4x-15492 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488309_6aebd8bf-b57f-4691-bbf0-1ab77bbec1e4.png?v=1791715991 Atenolol EP Impurity B, 94.50% | 61698-76-8 Atenolol EP Impurity B|C4X-15492|61698-76-8 https://www.jk-sci.com/products/s57c4x-15473 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/955bfa1385b4f897d969f253c9987072.jpg?v=1791716000 Artesunate Impurity 3, 96.90% | 82596-30-3 Artesunate Impurity 3|C4X-15473|82596-30-3 https://www.jk-sci.com/products/s57c4x-155011 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2264f6a9573b50436851be4656a59c6a.jpg?v=1791715981 Atomoxetine USP Related Compound B HCl (Racemic), Purity: 98.9% | 873310-28-2 Atomoxetine USP Related Compound B HCl (Racemic)|C4X-155011|873310-28-2 https://www.jk-sci.com/products/s57c4x-15512 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/022aad2b00c671575e03bfabba956206.jpg?v=1791715953 Atovaquone EP Impurity B, 98.00% | 137732-39-9 Atovaquone EP Impurity B|C4X-15512|137732-39-9 https://www.jk-sci.com/products/s57c4x-15497 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a366136a5109606eb0d49d5809814cea.jpg?v=1791715986 Atenolol EP Impurity G, 93.40% | 56392-14-4 Atenolol EP Impurity G|C4X-15497|56392-14-4 https://www.jk-sci.com/products/s57c4x-155029 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df5e7d3a-8b55-46b4-be12-2e6267a2813f.png?v=1791715971 Atomoxetine Impurity 29, 99.90% Atomoxetine Impurity 29|C4X-155029 https://www.jk-sci.com/products/s57c4x-15504 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc7da9a8530d93442dd6c3a453bd265.jpg?v=1791715958 Atomoxetine EP Impurity D HCl, 97.20% | 1643684-05-2 Atomoxetine EP Impurity D HCl|C4X-15504|1643684-05-2 https://www.jk-sci.com/products/s57c4x-15584 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d42cfdcd1cac8854665e9260b0fd28f.jpg?v=1791715942 Benzenesulfonic Impurity 4, Purity: 96.3% | 55034-26-9 Benzenesulfonic Impurity 4|C4X-15584|55034-26-9 https://www.jk-sci.com/products/s57c4x-156011 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c55645a4a61348dc83fc95f4140fcf7.jpg?v=1791715932 Bifonazole impurity 11, 99.40% | 73842-48-5 Bifonazole impurity 11|C4X-156011|73842-48-5 https://www.jk-sci.com/products/s57c4x-15609 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80c05db40c3b9631548602e1740cb902.jpg?v=1791715912 Bifonazole Impurity 9, 88.90% | 7515-73-3 Bifonazole Impurity 9|C4X-15609|7515-73-3 https://www.jk-sci.com/products/s57c4x-15603 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43c261f445035d4aad7495a2ce4c41d3.jpg?v=1791715922 Bifonazole EP Impurity B, 98.20% | 91679-37-7 Bifonazole EP Impurity B|C4X-15603|91679-37-7 https://www.jk-sci.com/products/s57c4x-15633 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86b8d3c378f18ee3b9f5dc5b15d18ac3.jpg?v=1791715893 Biotin EP Impurity A, 93.70% | 1163708-46-0 Biotin EP Impurity A|C4X-15633|1163708-46-0 https://www.jk-sci.com/products/s57c4x-156317 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b00ff9291bd2079099ee51e7c479103.jpg?v=1791715901 Biotin EP Impurity H (Mixture of Diastereomers), 92.90% | 2714810-33-8 Biotin EP Impurity H (Mixture of Diastereomers)|C4X-156317|2714810-33-8 https://www.jk-sci.com/products/s57c4x-156614 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427165_f88f1d13-2f86-4f52-a5c8-5f5c4f678ba5.png?v=1791715879 Brimonidine Tartrate, 97.20% | 70359-46-5 Brimonidine Tartrate|C4X-156614|70359-46-5 https://www.jk-sci.com/products/s57c4x-15645 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59d14a2020e403fd759edfe1f69a3c28_85e71ebe-5f2b-4e38-8d11-9a8390427c64.jpg?v=1791715888 Bosentan hydrate, 98.70% | 157212-55-0 Bosentan hydrate|C4X-15645|157212-55-0 https://www.jk-sci.com/products/s57c4x-156622 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149201_0ea10ebf-1ef6-4141-b63d-2ac5a6e1afda.png?v=1791715870 Brimonidine Impurity 22, 98.90% | 134892-46-9 Brimonidine Impurity 22|C4X-156622|134892-46-9 https://www.jk-sci.com/products/s57c4x-15663 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317260_22139b62-b15d-4c46-8b98-02187b106e9f.png?v=1791715860 Brimonidine EP Impurity C, 99.70% | 6298-37-9 Brimonidine EP Impurity C|C4X-15663|6298-37-9 https://www.jk-sci.com/products/s57c4x-15692 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341c9b4f5487e500e43f4dbadf08ae7d.jpg?v=1791715848 Clotrimazole EP Impurity B, 99.20% | 23593-71-7 Clotrimazole EP Impurity B|C4X-15692|23593-71-7 https://www.jk-sci.com/products/s57c4x-15669 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1b99269f7cff6aee09f0af2d97257f5.jpg?v=1791715855 Brimonidine EP Impurity A, 99.20% | 91147-43-2 Brimonidine EP Impurity A|C4X-15669|91147-43-2 https://www.jk-sci.com/products/s57c4x-15696 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265131_19df8db5-1820-4d5d-bf2f-c68f5a2f7c51.png?v=1791715839 Clotrimazole EP Impurity F, 98.30% | 15469-97-3 Clotrimazole EP Impurity F|C4X-15696|15469-97-3 https://www.jk-sci.com/products/s57c4x-15741 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60d2f843-dbf3-406b-a8e3-4952d79f0ce0.png?v=1791715832 Carvedilol EP impurity A DiHCl, 76.20% Carvedilol EP impurity A DiHCl|C4X-15741 https://www.jk-sci.com/products/s57c4x-157532 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a6ab271-35cf-47b0-8af1-6028f4c6df78.png?v=1791715812 Caspofungin EP Impurity G Acetate, 93.20% Caspofungin EP Impurity G Acetate|C4X-157532 https://www.jk-sci.com/products/s57c4x-157427 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb53e48a7fe4161862d92bdccd6f03d5.jpg?v=1791715826 Carvedilol Impurity 27, Purity: 96.2% | 1059573-38-4 Carvedilol Impurity 27|C4X-157427|1059573-38-4 https://www.jk-sci.com/products/s57c4x-157718 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc75eae3300fbf763507d19888db98db.jpg?v=1791715807 Cefazolin EP Impurity C, 93.70% | 56842-77-4 Cefazolin EP Impurity C|C4X-157718|56842-77-4 https://www.jk-sci.com/products/s57c4x-157723 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252264_59e0a3f7-ebcb-4f12-96e0-82425fefd67d.png?v=1791715802 Cefazolin EP Impurity A, 99.20% | 30246-33-4 Cefazolin EP Impurity A|C4X-157723|30246-33-4 https://www.jk-sci.com/products/s57c4x-15778 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a0680b5-02da-4f3f-a31a-dc562c7614eb.png?v=1791715792 Cefazolin USP RC B, 96.60% Cefazolin USP RC B|C4X-15778 https://www.jk-sci.com/products/s57c4x-15791 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6709e4af383a19be23de9e3f1dade027.jpg?v=1791715785 Cefpodoxime Proxetil EP Impurity A, 93.80% | 80210-62-4 Cefpodoxime Proxetil EP Impurity A|C4X-15791|80210-62-4 https://www.jk-sci.com/products/s57c4x-15794 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de139108c08cf5dcdc513cdaa26ccb0f.jpg?v=1791715781 Cefpodoxime Proxetil EP Impurity D, 95.70% | 947692-13-9 Cefpodoxime Proxetil EP Impurity D|C4X-15794|947692-13-9 https://www.jk-sci.com/products/s57c4x-158211 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77fbed22-0467-4274-b321-c259a78235fa.png?v=1791715765 Cetirizine Impurity 11 HCl (Mixture of alpha and beta Isomers), 93.60% Cetirizine Impurity 11 HCl (Mixture of alpha and beta Isomers)|C4X-158211 https://www.jk-sci.com/products/s57c4x-15797 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13e206245a68fc44ffdedab329ee77f9.jpg?v=1791715774 Cefpodoxime Proxetil EP Impurity G, Purity: 98.7% | 947692-15-1 Cefpodoxime Proxetil EP Impurity G|C4X-15797|947692-15-1 https://www.jk-sci.com/products/s57c4x-158911 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd6eae5f6d28adbc0602afbd30f860fb.jpg?v=1791715740 Cimetidine EP Impurity C Dihydrochloride, 90.00% | 52568-80-6 Cimetidine EP Impurity C Dihydrochloride|C4X-158911|52568-80-6 https://www.jk-sci.com/products/s57c4x-15861 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c609f5f61c0828fd90b21d983c2df13.jpg?v=1791715756 Cholecalciferol EP Impurity A, 74.70% | 22350-41-0 Cholecalciferol EP Impurity A|C4X-15861|22350-41-0 https://www.jk-sci.com/products/s57c4x-158921 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55b21ca90b17dbf2cf07f117e7626ad9.jpg?v=1791715732 Cimetidine Impurity 21, Purity: 98.5% | 182685-55-8 Cimetidine Impurity 21|C4X-158921|182685-55-8 https://www.jk-sci.com/products/s57c4x-15863 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c35ef8c3bd55e750a35ff50fe692b21.jpg?v=1791715751 Cholecalciferol EP Impurity C, 98.20% | 5226-01-7 Cholecalciferol EP Impurity C|C4X-15863|5226-01-7 https://www.jk-sci.com/products/ts246cs-0043197 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597017.png?v=1791684033 Methyl 4-methoxy-2-methylbenzoate, 98% | 35598-05-1 Methyl 4-methoxy-2-methylbenzoate|CS-0043197|35598-05-1 https://www.jk-sci.com/products/s57c4x-15897 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02895342c51aacde44b6ead87520c0c3.jpg?v=1791715726 Cimetidine EP Impurity G, 98.40% | 31857-31-5 Cimetidine EP Impurity G|C4X-15897|31857-31-5 https://www.jk-sci.com/products/s57c4x-159029 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9c0b5526fe781792cfc036a346436f9.jpg?v=1791715712 Safinamide Impurity 29, 97.60% | 133865-32-4 Safinamide Impurity 29|C4X-159029|133865-32-4 https://www.jk-sci.com/products/s57c4x-15902 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09abe8dd15b3e530cf2f83d961be0c06.jpg?v=1791715717 Safinamide Impurity 2, 96.70% | 1160513-60-9 Safinamide Impurity 2|C4X-15902|1160513-60-9 https://www.jk-sci.com/products/ts246cs-0043247 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791516.png?v=1791684016 (2-Bromothiophen-3-yl)methanol, 97% | 70260-16-1 (2-Bromothiophen-3-yl)methanol|CS-0043247|70260-16-1 https://www.jk-sci.com/products/ts246cs-0043302 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447bd721f44bb94dc196f09b667f6dbd.jpg?v=1791684000 4-Methoxypyrimidine-5-carboxylic acid, 96.00%+ | 72411-89-3 4-Methoxypyrimidine-5-carboxylic acid|CS-0043302|72411-89-3 https://www.jk-sci.com/products/s57c4x-159033 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447401_c832963c-473d-412d-bcad-9bae3a4696d5.png?v=1791715703 Safinamide Impurity 33, 98.90% | 405-85-6 Safinamide Impurity 33|C4X-159033|405-85-6 https://www.jk-sci.com/products/s57c4x-159114 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0042d70f8f9e3f47cbaecd49ae813bc.jpg?v=1791715683 Parecoxib Impurity 14, 99.20% | 1709956-89-7 Parecoxib Impurity 14|C4X-159114|1709956-89-7 https://www.jk-sci.com/products/s57c4x-159049 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9f7dcf73f4e479490fe78983f2063e9.jpg?v=1791715693 Safinamide impurity 49, Purity: 96.6% | 1843368-38-6 Safinamide impurity 49|C4X-159049|1843368-38-6 https://www.jk-sci.com/products/s57c4x-159149 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276e9f1c71c2b8b690b6594df12f8e28.jpg?v=1791715678 Parecoxib, 99.90% | 198470-84-7 Parecoxib|C4X-159149|198470-84-7 https://www.jk-sci.com/products/s57c4x-1612 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7de40c7dcdbfe50795c65b90d7a53dc.jpg?v=1791715589 Dexlansoprazole, 92.80% | 138530-94-6 Dexlansoprazole|C4X-1612|138530-94-6 https://www.jk-sci.com/products/s57c4x-15921 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160c9643d3706cdd892e7ef6e25e4056_6667076e-9389-4887-bd7c-2083c19c3c2e.jpg?v=1791715665 Clobetasol Propionate EP Impurity A, 95.30% | 5534-13-4 Clobetasol Propionate EP Impurity A|C4X-15921|5534-13-4 https://www.jk-sci.com/products/s57c4x-159213 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e0d6f9b203935b25d074a47a30e060a.jpg?v=1791715658 Clobetasol Propionate EP Impurity B, 99.40% | 1356190-17-4 Clobetasol Propionate EP Impurity B|C4X-159213|1356190-17-4 https://www.jk-sci.com/products/s57c4x-15929 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2940518e4dab88f31a6c698f399af44b.jpg?v=1791715649 Clobetasol Propionate EP Impurity I, 99.10% | 15423-80-0 Clobetasol Propionate EP Impurity I|C4X-15929|15423-80-0 https://www.jk-sci.com/products/s57c4x-15952 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c8766e9d7c05fa243f0138dc9b61682.jpg?v=1791715640 Cloperastine Impurity 2, Purity: 98.9% | 4960-10-5 Cloperastine Impurity 2|C4X-15952|4960-10-5 https://www.jk-sci.com/products/s57c4x-159717 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f319f7ba1161e40649270041ca67ebc.jpg?v=1791715634 Cloxacillin Impurity 17, 75.90% | 91059-01-7 Cloxacillin Impurity 17|C4X-159717|91059-01-7 https://www.jk-sci.com/products/s57c4x-16011 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608ffb85560c1627150d9aa984764b60.jpg?v=1791715624 Cyproterone Acetate EP Impurity I, 99.90% | 13698-49-2 Cyproterone Acetate EP Impurity I|C4X-16011|13698-49-2 https://www.jk-sci.com/products/s57c4x-160628 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792616_94d4638d-df36-447d-9dba-77e46de790a3.png?v=1791715615 Darunavir, Purity: 100.0% | 206361-99-1 Darunavir|C4X-160628|206361-99-1 https://www.jk-sci.com/products/s57c4x-16131 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325934_4bbe16e2-c1e9-4a7d-9cad-d7b6640a6bea.png?v=1791715584 Dexpanthenol Racemate, Purity: 99.6% | 16485-10-2 Dexpanthenol Racemate|C4X-16131|16485-10-2 https://www.jk-sci.com/products/s57c4x-161312 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432489.png?v=1791715581 Dexpanthenol Impurity 12, Purity: 97.7% | 13031-04-4 Dexpanthenol Impurity 12|C4X-161312|13031-04-4 https://www.jk-sci.com/products/s57c4x-160741 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39040931f2b36613e59f19088f4999e4.jpg?v=1791715599 Dasatinib Impurity 41, 95.90% | 863127-76-8 Dasatinib Impurity 41|C4X-160741|863127-76-8 https://www.jk-sci.com/products/s57c4x-16132 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e799ebd5948d3210f03dc4c6cd6591c.jpg?v=1791715576 Dexpanthenol Impurity 2, Purity: 86.9% | 18679-90-8 Dexpanthenol Impurity 2|C4X-16132|18679-90-8 https://www.jk-sci.com/products/s57c4x-161315 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151452_df6ac26b-b7db-4ce0-b2e1-9d8788ab83ac.png?v=1791715579 Dexpanthenol, 98.50% | 81-13-0 Dexpanthenol|C4X-161315|81-13-0 https://www.jk-sci.com/products/s57c4x-1618 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396931_3e18f493-70f3-4de9-afba-7f9aace9f697.png?v=1791715571 Dipyridamole, 99.20% | 58-32-2 Dipyridamole|C4X-1618|58-32-2 https://www.jk-sci.com/products/s57c4x-16184 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2ff20e6c09061bd03e4b1b846c52690.jpg?v=1791715565 Dipyridamole EP Impurity D, Purity: 95.2% | 1176886-12-6 Dipyridamole EP Impurity D|C4X-16184|1176886-12-6 https://www.jk-sci.com/products/s57c4x-1619 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f946744363a5d000cb7eca4569975001.jpg?v=1791715559 Docetaxel (Anhydrous), 98.40% | 114977-28-5 Docetaxel (Anhydrous)|C4X-1619|114977-28-5 https://www.jk-sci.com/products/s57c4x-16182 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da730d6bfc1710aaf72364fe0267a098.jpg?v=1791715569 Dipyridamole EP Impurity B, 94.20% | 16908-47-7 Dipyridamole EP Impurity B|C4X-16182|16908-47-7 https://www.jk-sci.com/products/s57c4x-16194 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e10cf40ffe70b0acd8dba705778da05.jpg?v=1791715554 Docetaxel EP Impurity D, 96.30% | 162784-72-7 Docetaxel EP Impurity D|C4X-16194|162784-72-7 https://www.jk-sci.com/products/s57c4x-161937 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ec747ce28e4194a1f653649369406de.jpg?v=1791715555 Docetaxel Impurity 37, Purity: 98.9% | 172018-16-5 Docetaxel Impurity 37|C4X-161937|172018-16-5 https://www.jk-sci.com/products/s57c4x-161955 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bdb780481109e058b396d8a06ef9511.jpg?v=1791715546 Docetaxel Impurity 55, 93.30% | 173101-59-2 Docetaxel Impurity 55|C4X-161955|173101-59-2 https://www.jk-sci.com/products/s57c4x-16195 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553230.png?v=1791715545 Docetaxel EP Impurity E, 95.40% | 32981-86-5 Docetaxel EP Impurity E|C4X-16195|32981-86-5 https://www.jk-sci.com/products/s57c4x-162011 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d81a37d3060aa78828d26460dee8852d.jpg?v=1791715536 Dolutegravir Impurity 11, Purity: 99.2% | 1973402-05-9 Dolutegravir Impurity 11|C4X-162011|1973402-05-9 https://www.jk-sci.com/products/s57c4x-1620 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76aae883bb35e77635aec614820b732b.jpg?v=1791715535 Dolutegravir, 99.30% | 1051375-16-6 Dolutegravir|C4X-1620|1051375-16-6 https://www.jk-sci.com/products/s57c4x-16204 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e365a3d1a406a2030dc16e3c8bb86d0.jpg?v=1791715529 Dolutegravir Impurity 4, 97.60% | 1357289-37-2 Dolutegravir Impurity 4|C4X-16204|1357289-37-2 https://www.jk-sci.com/products/s57c4x-16208 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e3c201c10ba14ca02bae63fa5f5be33.jpg?v=1791715524 Dolutegravir Impurity 8, 96.10% | 1863916-88-4 Dolutegravir Impurity 8|C4X-16208|1863916-88-4 https://www.jk-sci.com/products/s57c4x-16234 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370693_a222a0b5-5589-477a-9443-cba0e1eedf8d.png?v=1791715514 Doxazosin EP Impurity D, 98.90% | 28888-44-0 Doxazosin EP Impurity D|C4X-16234|28888-44-0 https://www.jk-sci.com/products/s57c4x-16232 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/516749.png?v=1791715519 Doxazosin EP Impurity B, 99.00% | 70918-74-0 Doxazosin EP Impurity B|C4X-16232|70918-74-0 https://www.jk-sci.com/products/s57c4x-1623 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340964.png?v=1791715525 Doxazosin Mesylate, 96.50% | 77883-43-3 Doxazosin Mesylate|C4X-1623|77883-43-3 https://www.jk-sci.com/products/s57c4x-1624 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246075.png?v=1791715508 Drospirenone, 99.60% | 67392-87-4 Drospirenone|C4X-1624|67392-87-4 https://www.jk-sci.com/products/s57c4x-16246 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5256fddd000ae006fa2352bb0c650795.jpg?v=1791715509 Drospirenone EP Impurity G, 94.60% | 932388-90-4 Drospirenone EP Impurity G|C4X-16246|932388-90-4 https://www.jk-sci.com/products/s57c4x-16271 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e608f2e8daf466abdfe9ac8a7c35d8e.jpg?v=1791715494 Efavirenz Impurity 1, 97.90% | 353270-77-6 Efavirenz Impurity 1|C4X-16271|353270-77-6 https://www.jk-sci.com/products/s57c4x-1626 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557190.png?v=1791715499 Ecabet sodium, Purity: 99.9% | 86408-72-2 Ecabet sodium|C4X-1626|86408-72-2 https://www.jk-sci.com/products/s57c4x-162711 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ae471fc-f22d-4d68-9292-bddc8d6d605d.png?v=1791715488 Efavirenz Impurity 11, 97.40% Efavirenz Impurity 11|C4X-162711 https://www.jk-sci.com/products/s57c4x-162715 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105500_6c340579-d588-4415-a059-0cc9dff3a92a.png?v=1791715484 Efavirenz Impurity 15, 99.30% | 127641-25-2 Efavirenz Impurity 15|C4X-162715|127641-25-2 https://www.jk-sci.com/products/s57c4x-162721 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1ac814a49d12f53dd4684029ea82b8a.jpg?v=1791715479 Efavirenz Related Compound C, 98.90% | 391860-73-4 Efavirenz Related Compound C|C4X-162721|391860-73-4 https://www.jk-sci.com/products/s57c4x-162724 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_73a465f7-091b-4678-b8e3-3342812a03c3.png?v=1791715478 Efavirenz Impurity 24, 97.30% Efavirenz Impurity 24|C4X-162724 https://www.jk-sci.com/products/s57c4x-16274 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91de23f0206acaa906580be31dc8e1b8.jpg?v=1791715469 Efavirenz Impurity 4, 97.90% | 174819-21-7 Efavirenz Impurity 4|C4X-16274|174819-21-7 https://www.jk-sci.com/products/s57c4x-16278 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f49cbb0a438f1713c26a44233840689d.jpg?v=1791715469 Efavirenz Impurity 8, 99.70% | 211563-40-5 Efavirenz Impurity 8|C4X-16278|211563-40-5 https://www.jk-sci.com/products/s57c4x-16282 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70de0065-1444-4de0-8c8e-b9224a2ef05c.png?v=1791715458 Enrofloxacin EP Impurity C HCl, Purity: 85.0% Enrofloxacin EP Impurity C HCl|C4X-16282 https://www.jk-sci.com/products/s57c4x-162916 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b19124ee8240c5c931b87d5a9906574.jpg?v=1791715448 Entacapone EP Impurity I, Purity: 98.5% | 1364322-42-8 Entacapone EP Impurity I|C4X-162916|1364322-42-8 https://www.jk-sci.com/products/s57c4x-16292 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f0a5e80344f8dc834193f8bfcf9bf76.jpg?v=1791715445 Entacapone Impurity 2, 97.70% | 150995-46-3 Entacapone Impurity 2|C4X-16292|150995-46-3 https://www.jk-sci.com/products/s57c4x-1629 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374228.png?v=1791715455 Entacapone, 98.90% | 130929-57-6 Entacapone|C4X-1629|130929-57-6 https://www.jk-sci.com/products/s57c4x-162924 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee824f1e9401b86b81801b22e54b68ca.jpg?v=1791715443 Entacapone Impurity 24, 99.70% | 4097-63-6 Entacapone Impurity 24|C4X-162924|4097-63-6 https://www.jk-sci.com/products/s57c4x-162914 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f5bad265e2b8be48322b0bd71cca9fe.jpg?v=1791715453 Entacapone EP Impurity G, 90.70% | 1364322-41-7 Entacapone EP Impurity G|C4X-162914|1364322-41-7 https://www.jk-sci.com/products/s57c4x-16293 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cac1d00d141fcf9d49c055b944866f24.jpg?v=1791715438 Entacapone Impurity 3, 92.90% | 160391-70-8 Entacapone Impurity 3|C4X-16293|160391-70-8 https://www.jk-sci.com/products/s57c4x-16294 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496d70bf1289d53298d3eaa9293f7cdb.jpg?v=1791715435 Entacapone EP Impurity D, Purity: 99.5% | 857629-79-9 Entacapone EP Impurity D|C4X-16294|857629-79-9 https://www.jk-sci.com/products/s57c4x-162947 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a01d348-7990-43f0-98e7-d6ae411a1035.png?v=1791715430 Entacapone impurity 47, Purity: 97.0% Entacapone impurity 47|C4X-162947 https://www.jk-sci.com/products/s57c4x-16298 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/774a0b69f11dd9c59c4243480468a5fd.jpg?v=1791715425 Entacapone EP Impurity H, Purity: 99.8% | 1150310-15-8 Entacapone EP Impurity H|C4X-16298|1150310-15-8 https://www.jk-sci.com/products/s57c4x-16296 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137e9ea0715070a9a2c27631ad38b8c7.jpg?v=1791715430 Entacapone Impurity 6, 94.70% | 158693-01-7 Entacapone Impurity 6|C4X-16296|158693-01-7 https://www.jk-sci.com/products/s57c4x-16302 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f1dba9b79a3e4e9806c9056d4573b5.jpg?v=1791715420 Eplerenone EP Impurity B, Purity: 98.5% | 192704-82-8 Eplerenone EP Impurity B|C4X-16302|192704-82-8 https://www.jk-sci.com/products/s57c4x-16304 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b20a6de0b417feac540c20894d07de11.jpg?v=1791715420 Eplerenone EP Impurity D, 94.00% | 209253-82-7 Eplerenone EP Impurity D|C4X-16304|209253-82-7 https://www.jk-sci.com/products/s57c4x-16306 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2bac3f3-30fe-4eae-9d07-5112b09be397.png?v=1791715410 Eplerenone EP Impurity F(Sodium Salt), 90.70% Eplerenone EP Impurity F(Sodium Salt)|C4X-16306 https://www.jk-sci.com/products/s57c4x-163310 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701921116b272c02adafe78f430d6bc8.jpg?v=1791715409 Ertapenem Impurity 10, 90.40% | 1199797-43-7 Ertapenem Impurity 10|C4X-163310|1199797-43-7 https://www.jk-sci.com/products/s57c4x-163313 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbc219c62eba96d06a5a0a19dfa4cf15.jpg?v=1791715405 Ertapenem sodium, 78.70% | 153773-82-1 Ertapenem sodium|C4X-163313|153773-82-1 https://www.jk-sci.com/products/s57c4x-163319 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df8e5c037cb5d0a8431b519179dcdd69.jpg?v=1791715400 Ertapenem Impurity 19, 80.10% | 866317-77-3 Ertapenem Impurity 19|C4X-163319|866317-77-3 https://www.jk-sci.com/products/s57c4x-163329 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823c93b98a375f7547cbf7353515155e.jpg?v=1791715397 Ertapenem Impurity 29, 94.70% | 1150883-75-2 Ertapenem Impurity 29|C4X-163329|1150883-75-2 https://www.jk-sci.com/products/s57c4x-163332 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5902fb9ca7d601109e81204f1efe08ba.jpg?v=1791715393 Ertapenem Impurity 32, 90.20% | 1199797-42-6 Ertapenem Impurity 32|C4X-163332|1199797-42-6 https://www.jk-sci.com/products/s57c4x-163344 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a06ee09-73dc-4957-adff-a0ed3f0680e2.png?v=1791715390 Etapenem Impurity 44, 92.40% Etapenem Impurity 44|C4X-163344 https://www.jk-sci.com/products/s57c4x-163610 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617783.png?v=1791715384 Estradiol Impurity 10, 98.60% | 1229-24-9 Estradiol Impurity 10|C4X-163610|1229-24-9 https://www.jk-sci.com/products/s57c4x-16339 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0629de930be10493b545ddf8ba413abe.jpg?v=1791715387 Ertapenem Impurity 9, 90.60% | 402955-37-7 Ertapenem Impurity 9|C4X-16339|402955-37-7 https://www.jk-sci.com/products/s57c4x-163612 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b7caa3cbe4a6c1ab0850f173187d6cb.jpg?v=1791715382 Estradiol Impurity 12, 99.70% | 571-92-6 Estradiol Impurity 12|C4X-163612|571-92-6 https://www.jk-sci.com/products/s57c4x-163620 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207135.png?v=1791715371 Estradiol Impurity 20, 97.40% | 2398-63-2 Estradiol Impurity 20|C4X-163620|2398-63-2 https://www.jk-sci.com/products/s57c4x-163616 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2dde5575e28c985fdc337ec1609b088.jpg?v=1791715375 17-Biphenylestradiol, 95.90% | 1643577-75-6 17-Biphenylestradiol|C4X-163616|1643577-75-6 https://www.jk-sci.com/products/s57c4x-16375 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145706.png?v=1791715364 Estriol EP Impurity E, 98.20% | 1228-72-4 Estriol EP Impurity E|C4X-16375|1228-72-4 https://www.jk-sci.com/products/s57c4x-16363 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346129_8b97a18b-695b-4e2a-afdf-ecfcf1972826.png?v=1791715365 Estradiol Hemihydrate EP Impurity B, 99.00% | 57-91-0 Estradiol Hemihydrate EP Impurity B|C4X-16363|57-91-0 https://www.jk-sci.com/products/s57c4x-1641 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517570.png?v=1791715361 Exemestane, 99.10% | 107868-30-4 Exemestane|C4X-1641|107868-30-4 https://www.jk-sci.com/products/s57c4x-16422 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427000.png?v=1791715347 Famciclovir Impurity 2, 96.40% | 104227-88-5 Famciclovir Impurity 2|C4X-16422|104227-88-5 https://www.jk-sci.com/products/s57c4x-16415 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f80787a2bfb75e36687a4e1dac94e1.jpg?v=1791715350 17β-Hydroxy Exemestane, 92.90% | 122370-91-6 17β-Hydroxy Exemestane|C4X-16415|122370-91-6 https://www.jk-sci.com/products/s57c4x-164110 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dca39ed5e54906998fe17328fcb96d3.jpg?v=1791715355 Exemestane EP Impurity F, 99.30% | 72648-46-5 Exemestane EP Impurity F|C4X-164110|72648-46-5 https://www.jk-sci.com/products/ts246cs-0043405 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/885a989c4fb39abefa2e1c6b0faecf28.jpg?v=1793049740 2-Chloro-7,8-dihydroquinolin-5(6H)-one, 96.13%+ | 124467-36-3 2-Chloro-7,8-dihydroquinolin-5(6H)-one|CS-0043405|124467-36-3 https://www.jk-sci.com/products/s57c4x-16452 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421171.png?v=1791715338 Finasteride EP Impurity A, 99.80% | 98319-24-5 Finasteride EP Impurity A|C4X-16452|98319-24-5 https://www.jk-sci.com/products/s57c4x-164314 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc79fab2-eee6-461d-aacd-f7e89aa5b87a.png?v=1791715341 Fenofibrate Impurity 14, 99.90% Fenofibrate Impurity 14|C4X-164314 https://www.jk-sci.com/products/s57c4x-16456 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6276bb71b497aac4d79ccadc27241285.jpg?v=1791715336 Finasteride EP Impurity C, 96.30% | 1800205-94-0 Finasteride EP Impurity C|C4X-16456|1800205-94-0 https://www.jk-sci.com/products/s57c4x-16467 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3e28cc1e9672ee7a8b9cbcb99251b6.jpg?v=1791715333 Fingolimod EP Impurity I, Purity: 99.9% | 249289-10-9 Fingolimod EP Impurity I|C4X-16467|249289-10-9 https://www.jk-sci.com/products/s57c4x-1649 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae532f8429afe2fc02112845a9ca5634.jpg?v=1791715327 Fluorouracil, Purity: 100.0% | 51-21-8 Fluorouracil|C4X-1649|51-21-8 https://www.jk-sci.com/products/s57c4x-164910 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269340_eba30ef7-cdd8-46e9-b92b-eb5420f93935.png?v=1791715327 Fluorouracil Impurity 10, 99.20% | 1480-96-2 Fluorouracil Impurity 10|C4X-164910|1480-96-2 https://www.jk-sci.com/products/s57c4x-164925 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ce8a4b8c-fa61-4db8-9af4-aaac8c48dc07.png?v=1791715320 5-Chloro-2-methoxypyrimidin-4(3H)-one, Purity: 98.3% 5-Chloro-2-methoxypyrimidin-4(3H)-one|C4X-164925 https://www.jk-sci.com/products/s57c4x-165010 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222c87468656198a95fe9df3b397ee22.jpg?v=1791715315 Fluticasone Propionate EP Impurity I, 98.30% | 960071-64-1 Fluticasone Propionate EP Impurity I|C4X-165010|960071-64-1 https://www.jk-sci.com/products/s57c4x-165012 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec744722f456e8742fdf545ffdb9e6b4.jpg?v=1791715307 Fluticasone Propionate EP Impurity C, 98.70% | 80474-24-4 Fluticasone Propionate EP Impurity C|C4X-165012|80474-24-4 https://www.jk-sci.com/products/s57c4x-1650106 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6df28102-ada3-4ee2-b6b1-da9b33418458.png?v=1791715314 Fluticasone Impurity 106, 94.60% Fluticasone Impurity 106|C4X-1650106 https://www.jk-sci.com/products/s57c4x-165014 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee5152832cdceef5af62bf33d64f497c.jpg?v=1791715304 Fluticasone Propionate EP Impurity E, 95.00% | 105613-90-9 Fluticasone Propionate EP Impurity E|C4X-165014|105613-90-9 https://www.jk-sci.com/products/s57c4x-165016 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c8b6cf84f8212e97bb8c3db70cf4821.jpg?v=1791715301 Fluticasone Propionate EP Impurity H, 98.10% | 201812-64-8 Fluticasone Propionate EP Impurity H|C4X-165016|201812-64-8 https://www.jk-sci.com/products/s57c4x-165020 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29a3de1b3d95d76de2eace71e8424f9.jpg?v=1791715299 Fluticasone Impurity 20, 88.60% | 397864-63-0 Fluticasone Impurity 20|C4X-165020|397864-63-0 https://www.jk-sci.com/products/s57c4x-165025 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58e73d5c45edc6c8c25d35ba66275757.jpg?v=1791715294 Fluticasone Impurity 25, Purity: 98.0% | 1374153-88-4 Fluticasone Impurity 25|C4X-165025|1374153-88-4 https://www.jk-sci.com/products/s57c4x-165029 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_322712fe-8c15-4791-a848-459d04aea607.png?v=1791715291 Fluticasone Furoate EP Impurity L, 96.20% Fluticasone Furoate EP Impurity L|C4X-165029 https://www.jk-sci.com/products/s57c4x-165031 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eaea0d4b14deca95f3269f21801a172.jpg?v=1791715288 Fluticasone 17-beta-Carboxylic Acid, 99.20% | 28416-82-2 Fluticasone 17-beta-Carboxylic Acid|C4X-165031|28416-82-2 https://www.jk-sci.com/products/s57c4x-15118 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7959fc237b23317d97e70d56dfdd6c7c.jpg?v=1791716347 Mirtazapine EP Impurity F, Purity: 100.0% | 191546-97-1 Mirtazapine EP Impurity F|C4X-15118|191546-97-1 https://www.jk-sci.com/products/s57c4x-15238 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549678_e446b378-8fff-4812-ba05-a33f9610acba.png?v=1791716162 Rebamipide Impurity 8, 96.50% | 4876-14-6 Rebamipide Impurity 8|C4X-15238|4876-14-6 https://www.jk-sci.com/products/s57c4x-152217 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a602ad1ae315f59e5613fd6ee0e540c2.jpg?v=1791716191 Aztreonam tert butyl ester, 96.90% | 330944-50-8 Aztreonam tert butyl ester|C4X-152217|330944-50-8 https://www.jk-sci.com/products/s57c4x-152662 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15d95c0bb80aaf12d8041544d9150a5.jpg?v=1791716113 Thioctic acid impurity 62, Purity: 98.8% | 93892-06-9 Thioctic acid impurity 62|C4X-152662|93892-06-9 https://www.jk-sci.com/products/s57c4x-15263 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe1d0dfb6696e123cd3211cb61ae5b74.jpg?v=1791716128 Thioctic acid Impurity 3, 97.20% | 6992-30-9 Thioctic acid Impurity 3|C4X-15263|6992-30-9 https://www.jk-sci.com/products/s57c4x-15134 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2108d6196bdf392f680557829d7982e.jpg?v=1791716327 Doxofylline Impurity 4, 86.20% | 2095554-12-2 Doxofylline Impurity 4|C4X-15134|2095554-12-2 https://www.jk-sci.com/products/s57c4x-15255 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1442abe3a029b1cedc7090c54af99728.jpg?v=1791716144 Formoterol EP Impurity E, 95.40% | 1616967-26-0 Formoterol EP Impurity E|C4X-15255|1616967-26-0 https://www.jk-sci.com/products/s57c4x-153217 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52bc2f14-c429-48f4-8594-f755c45276fa.png?v=1791716089 Acetylcysteine Impurity 17, 95.50% Acetylcysteine Impurity 17|C4X-153217 https://www.jk-sci.com/products/s57c4x-15311 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279895ba5381f6f493fce81e7c536c25.jpg?v=1791716105 Aceclofenac EP Impurity G, 98.10% | 1215709-75-3 Aceclofenac EP Impurity G|C4X-15311|1215709-75-3 https://www.jk-sci.com/products/s57c4x-153237 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354287_5cae31c6-a9d4-41dc-84e3-e52c5aebc843.png?v=1791716076 Acetylcysteine Impurity 37, 94.80% | 19547-88-7 Acetylcysteine Impurity 37|C4X-153237|19547-88-7 https://www.jk-sci.com/products/s57c4x-153210 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_315a3f44-2064-4a94-be6d-b1336dd02563.png?v=1791716098 Acetylcysteine Impurity 10 (N,S-Carboxymethyl L-Cysteine) TFA salt, 99.20% Acetylcysteine Impurity 10 (N,S-Carboxymethyl L-Cysteine) TFA salt|C4X-153210 https://www.jk-sci.com/products/s57c4x-152310 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_03bb26f9-1365-4c52-bcf4-d5a3240aea1f.png?v=1791716174 Rebamipide Impurity 10, 95.00% Rebamipide Impurity 10|C4X-152310 https://www.jk-sci.com/products/s57c4x-15352 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385947_ad5660b7-c601-4263-9cef-400d09010ecb.png?v=1791716069 Albendazole EP Impurity B, 95.30% | 54029-12-8 Albendazole EP Impurity B|C4X-15352|54029-12-8 https://www.jk-sci.com/products/s57c4x-15391 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493955_17b64f57-a41c-4fb5-9e48-56b708ee91ec.png?v=1791716056 Alverine EP Impurity A, 98.30% | 104-52-9 Alverine EP Impurity A|C4X-15391|104-52-9 https://www.jk-sci.com/products/s57c4x-15413 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253030_cd28cb76-d4a5-4609-bb8b-375d161a8015.png?v=1791716042 Amitriptyline EP Impurity C, 100.00% | 894-71-3 Amitriptyline EP Impurity C|C4X-15413|894-71-3 https://www.jk-sci.com/products/s57c4x-152651 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56785016e7bddcead68eeb48a7a2eae8.jpg?v=1791716122 Thioctic Acid Impurity 51, 80.30% | 56535-97-8 Thioctic Acid Impurity 51|C4X-152651|56535-97-8 https://www.jk-sci.com/products/s57c4x-15355 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513039_d3030fd6-cc20-4bce-a2d5-9eb4fa92ec28.png?v=1791716064 Albendazole EP Impurity E, 99.00% | 10605-21-7 Albendazole EP Impurity E|C4X-15355|10605-21-7 https://www.jk-sci.com/products/s57c4x-154225 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43518fa00e9f33d3aadb1c2e7bd22436.jpg?v=1791716017 Amorolfine lmpurity 25, 98.70% | 2497333-07-8 Amorolfine lmpurity 25|C4X-154225|2497333-07-8 https://www.jk-sci.com/products/s57c4x-15495 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298504_22810776-741f-44cc-a177-c0be1db075bc.png?v=1791715991 Atenolol EP Impurity E, 95.20% | 141650-31-9 Atenolol EP Impurity E|C4X-15495|141650-31-9 https://www.jk-sci.com/products/s57c4x-154210 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0591ddac-c6a1-4bbe-89eb-fed21b014e9d.png?v=1791716031 Amorolfine EP Impurity J HCl, 93.70% Amorolfine EP Impurity J HCl|C4X-154210 https://www.jk-sci.com/products/s57c4x-1544 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc0a1c9f78cb53272f8427ca8e56943e.jpg?v=1791716002 Anidulafungin, 90.40% | 166663-25-8 Anidulafungin|C4X-1544|166663-25-8 https://www.jk-sci.com/products/s57c4x-155019 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4fd473b5-45c2-40cc-ab61-6cc116c52583.png?v=1791715976 Atomoxetine Impurity 19, Purity: 99.7% Atomoxetine Impurity 19|C4X-155019 https://www.jk-sci.com/products/s57c4x-15606 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1e29d295176a2b574ab3b5e448cd07.jpg?v=1791715912 α-(4-Biphenylyl)Benzylamine, 98.10% | 91487-88-6 α-(4-Biphenylyl)Benzylamine|C4X-15606|91487-88-6 https://www.jk-sci.com/products/s57c4x-15507 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca9fe27ca7796fea5637a014999a4ee.jpg?v=1791715954 Atomoxetine EP Impurity A HCl, 99.30% | 873310-33-9 Atomoxetine EP Impurity A HCl|C4X-15507|873310-33-9 https://www.jk-sci.com/products/s57c4x-15597 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1feaa27a4e5b96c4296eaae24caa50d.jpg?v=1791715937 Betaxolol Impurity 7, Purity: 99.6% | 91878-54-5 Betaxolol Impurity 7|C4X-15597|91878-54-5 https://www.jk-sci.com/products/s57c4x-15632 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/066c63debe40afd5b11470eae7cc274c.jpg?v=1791715899 Biotin Impurity 2((-)-Biotin Sulfoxide), 94.80% | 3376-83-8 Biotin Impurity 2((-)-Biotin Sulfoxide)|C4X-15632|3376-83-8 https://www.jk-sci.com/products/s57c4x-156611 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a30e5c70d445c4c2286dc25a84e5b5f0.jpg?v=1791715884 Brimonidine EP Impurity F, 99.30% | 151110-15-5 Brimonidine EP Impurity F|C4X-156611|151110-15-5 https://www.jk-sci.com/products/s57c4x-157720 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e534d327015b66a3a22b26d99b29a144.jpg?v=1791715802 Cefazolin EP Impurity B, 95.00% | 2384108-14-7 Cefazolin EP Impurity B|C4X-157720|2384108-14-7 https://www.jk-sci.com/products/s57c4x-157522 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad512ef6-bf27-4740-92e4-5ccda843e26b.png?v=1791715820 Caspofungin Acetate C0 Analog(Caspofungin EP Impurity F)(RRT=1.1), 98.30% Caspofungin Acetate C0 Analog(Caspofungin EP Impurity F)(RRT=1.1)|C4X-157522 https://www.jk-sci.com/products/s57c4x-15691 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1467ba2e167485c2f5a19dbc3e4b3ba1.jpg?v=1791715850 Clotrimazole EP Impurity A, 95.60% | 66774-02-5 Clotrimazole EP Impurity A|C4X-15691|66774-02-5 https://www.jk-sci.com/products/s57c4x-15712 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/632954_5ac895f9-66fe-4062-a43c-fd0974c7bbdf.png?v=1791715836 Irinotecan USP Rc E, 99.30% | 78287-27-1 Irinotecan USP Rc E|C4X-15712|78287-27-1 https://www.jk-sci.com/products/s57c4x-156625 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f07f1b26c59d91d54544503e83b304dc.jpg?v=1791715870 Brimonidine Impurity 25, 98.30% | 135306-57-9 Brimonidine Impurity 25|C4X-156625|135306-57-9 https://www.jk-sci.com/products/s57c4x-15795 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8f187ce1df2aa2455988661131a56cf.jpg?v=1791715776 Cefpodoxime Proxetil EP Impurity E, 90.10% | 217803-89-9 Cefpodoxime Proxetil EP Impurity E|C4X-15795|217803-89-9 https://www.jk-sci.com/products/s57c4x-157850 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2eebf829-4310-4a0f-af2d-d757640ebfea.png?v=1791715791 Cefoxitin Impurity 50, 88.10% Cefoxitin Impurity 50|C4X-157850 https://www.jk-sci.com/products/s57c4x-158217 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4aafb9c-0ac6-401c-a34a-96d5839fc44e.png?v=1791715761 Cetirizine Impurity 17, 94.20% Cetirizine Impurity 17|C4X-158217 https://www.jk-sci.com/products/s57c4x-15894 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8b65b0a42cebebc9e6ceedd124bdfe0.jpg?v=1791715731 Cimetidine EP Impurity D DiHCl, 92.70% | 59660-24-1 Cimetidine EP Impurity D DiHCl|C4X-15894|59660-24-1 https://www.jk-sci.com/products/s57c4x-15866 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0693630aac5c7e9399cce47d7d52739.jpg?v=1791715745 Precalciferol (Previtamin D3), 69.60% | 1173-13-3 Precalciferol (Previtamin D3)|C4X-15866|1173-13-3 https://www.jk-sci.com/products/s57c4x-159021 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a9667c47d94264e631abebd805875b.jpg?v=1791715712 Safinamide Impurity 21, Purity: 100.0% | 590353-54-1 Safinamide Impurity 21|C4X-159021|590353-54-1 https://www.jk-sci.com/products/s57c4x-159037 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1354c816590487fe1b54de245f36664c.jpg?v=1791715697 Safinamide Impurity 37, Purity: 99.7% | 1000370-27-3 Safinamide Impurity 37|C4X-159037|1000370-27-3 https://www.jk-sci.com/products/s57c4x-15912 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492148_2cfacaba-1704-4d8b-a24a-b9437c23d4c8.png?v=1791715678 Parecoxib Impurity 2, 99.90% | 181695-72-7 Parecoxib Impurity 2|C4X-15912|181695-72-7 https://www.jk-sci.com/products/s57c4x-159211 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1141a0520c05268f694fc645e9525ea5.jpg?v=1791715660 Clobetasol Propionate EP Impurity K, Purity: 98.4% | 75883-07-7 Clobetasol Propionate EP Impurity K|C4X-159211|75883-07-7 https://www.jk-sci.com/products/s57c4x-15946 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e4b3d3d646cd552f0ef346d97118907.jpg?v=1791715645 Clonidine EP Impurity B, 100.00% | 54707-71-0 Clonidine EP Impurity B|C4X-15946|54707-71-0 https://www.jk-sci.com/products/s57c4x-15973 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/080d5fb30419635c1c98fdf8531f9774.jpg?v=1791715626 Cloxacillin EP Impurity B, Purity: 99.3% | 1642559-64-5 Cloxacillin EP Impurity B|C4X-15973|1642559-64-5 https://www.jk-sci.com/products/s57c4x-16072 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813191_47e5c1a9-9eb9-4814-a6bb-020469bdc6d5.png?v=1791715604 Dasatinib Impurity 2, 98.90% | 910297-52-8 Dasatinib Impurity 2|C4X-16072|910297-52-8 https://www.jk-sci.com/products/s57c4x-161250 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564837_56f9e328-ab28-4b41-b316-3f43d173688f.png?v=1791715586 Dexlansoprazole Impurity 50, 97.50% | 87-91-2 Dexlansoprazole Impurity 50|C4X-161250|87-91-2 https://www.jk-sci.com/products/s57c4x-16183 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee585537c215ec6a061033ccd854be94.jpg?v=1791715564 Dipyridamole EP Impurity C, 99.10% | 54093-92-4 Dipyridamole EP Impurity C|C4X-16183|54093-92-4 https://www.jk-sci.com/products/s57c4x-161313 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b44c5a72f539f17fc0874723eeb5c7a_76f791ea-2cd2-4131-989e-5b45ec50bef7.jpg?v=1791715579 Dexpanthenol Impurity 13, 98.30% | 505-47-5 Dexpanthenol Impurity 13|C4X-161313|505-47-5 https://www.jk-sci.com/products/s57c4x-162930 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222783_5fbe249e-f149-41d3-aa10-78573d1e9be8.png?v=1791715434 Entacapone Impurity 30, 99.10% | 148-53-8 Entacapone Impurity 30|C4X-162930|148-53-8 https://www.jk-sci.com/products/s57c4x-161940 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273681970f8e78657f5eef3aa8301318.jpg?v=1791715549 Docetaxel Impurity 40, Purity: 96.9% | 92950-45-3 Docetaxel Impurity 40|C4X-161940|92950-45-3 https://www.jk-sci.com/products/s57c4x-162722 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac71b991327c607f87d7bd1e17f5826b.jpg?v=1791715479 Efavirenz USP Related Compound B, 98.70% | 440124-96-9 Efavirenz USP Related Compound B|C4X-162722|440124-96-9 https://www.jk-sci.com/products/s57c4x-16209 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cda7ee5f674ce34914fb259c5082b8d.jpg?v=1791715525 Dolutegravir Impurity 9, 99.60% | 1863916-87-3 Dolutegravir Impurity 9|C4X-16209|1863916-87-3 https://www.jk-sci.com/products/s57c4x-16332 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c54f9bbff3d943a2688e53da9427efb0.jpg?v=1791715399 Ertapenem Impurity Pro-maba, 83.70% | 724700-26-9 Ertapenem Impurity Pro-maba|C4X-16332|724700-26-9 https://www.jk-sci.com/products/s57c4x-162922 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394ab5e946acff3ec8d1665b15a50633.jpg?v=1791715443 Entacapone Impurity 22, Purity: 99.3% | 857629-78-8 Entacapone Impurity 22|C4X-162922|857629-78-8 https://www.jk-sci.com/products/s57c4x-162714 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ba5ae77-cb9e-44f4-b9d4-4296b255f49c.png?v=1791715484 Efavirenz USP Related Compound A, 99.50% Efavirenz USP Related Compound A|C4X-162714 https://www.jk-sci.com/products/s57c4x-16301 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_15eaf1b6-83d7-427c-b8a0-074240c0b916.png?v=1791715424 Eplerenone EP Impurity A, Purity: 99.5% Eplerenone EP Impurity A|C4X-16301 https://www.jk-sci.com/products/s57c4x-1627 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204716_1616852f-87d1-4c1d-a88e-8154d1e40456.png?v=1791715493 Efavirenz, 99.60% | 154598-52-4 Efavirenz|C4X-1627|154598-52-4 https://www.jk-sci.com/products/s57c4x-16141 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/851c85df3f2c6a5d26dab0aca80f9b5c.jpg?v=1791715573 Diclofenac Impurity 1, 91.60% | 66505-80-4 Diclofenac Impurity 1|C4X-16141|66505-80-4 https://www.jk-sci.com/products/s57c4x-161972 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b0c98c02209270c25c41d5492bdb988.jpg?v=1791715540 Docetaxel Impurity 72, Purity: 100.0% | 959123-35-4 Docetaxel Impurity 72|C4X-161972|959123-35-4 https://www.jk-sci.com/products/s57c4x-162915 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236329_895d64b8-2d66-4c68-b8d0-47d4be3cfbe2.png?v=1791715449 Entacapone EP Impurity C(Mixtures of tautomers), 98.90% | 116313-85-0 Entacapone EP Impurity C(Mixtures of tautomers)|C4X-162915|116313-85-0 https://www.jk-sci.com/products/s57c4x-16241 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a835d1799b1bce1e0fb968c9435bd4a6.jpg?v=1791715509 Drospirenone EP Impurity A, 97.70% | 67372-68-3 Drospirenone EP Impurity A|C4X-16241|67372-68-3 https://www.jk-sci.com/products/s57c4x-163337 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_633b7184-bf7c-4152-9ecd-f65c5e499665.png?v=1791715392 Ertapenem Impurity 37, 91.60% Ertapenem Impurity 37|C4X-163337 https://www.jk-sci.com/products/s57c4x-163311 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f487cac853fc3b1a75b9ec19985bf54.jpg?v=1791715406 Ertapenem Impurity 11, 92.90% | 402955-38-8 Ertapenem Impurity 11|C4X-163311|402955-38-8 https://www.jk-sci.com/products/s57c4x-161911 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a34455df1269d0493b909ab95635978.jpg?v=1791715559 Docetaxel Impurity 11, 95.70% | 114915-14-9 Docetaxel Impurity 11|C4X-161911|114915-14-9 https://www.jk-sci.com/products/s57c4x-16287 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad64ce9705d4467fdecd1086b261a8b3.jpg?v=1791715458 Enrofloxacin Impurity 7, 99.10% | 93107-31-4 Enrofloxacin Impurity 7|C4X-16287|93107-31-4 https://www.jk-sci.com/products/s57c4x-162951 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_32064ca1-9be1-4794-bf9c-58cc1462aca6.png?v=1791715429 Entacapone impurity 51, Purity: 97.9% Entacapone impurity 51|C4X-162951 https://www.jk-sci.com/products/s57c4x-16277 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3371cf1ddd76ef28043cf3e03c857eb.jpg?v=1791715469 Efavirenz Impurity 7, 99.10% | 211563-41-6 Efavirenz Impurity 7|C4X-16277|211563-41-6 https://www.jk-sci.com/products/s57c4x-16305 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27ad31fba3838ba0148c090141579746.jpg?v=1791715414 Eplerenone EP Impurity E, 96.00% | 209253-81-6 Eplerenone EP Impurity E|C4X-16305|209253-81-6 https://www.jk-sci.com/products/s57c4x-162016 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44af0c7726239a570498b01541391a7.jpg?v=1791715530 Dolutegravir Impurity 16, 90.90% | 2244161-73-5 Dolutegravir Impurity 16|C4X-162016|2244161-73-5 https://www.jk-sci.com/products/s57c4x-16233 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3dfeb5199597352485fde07e7a7e12fd.jpg?v=1791715519 Doxazosin EP Impurity C, 99.10% | 617677-53-9 Doxazosin EP Impurity C|C4X-16233|617677-53-9 https://www.jk-sci.com/products/s57c4x-16361 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95f8147f8a208efc7c0d2f1d663383c1.jpg?v=1791715386 Estradiol EP Impurity D, 92.50% | 791-69-5 Estradiol EP Impurity D|C4X-16361|791-69-5 https://www.jk-sci.com/products/s57c4x-163613 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34c06294401131860adb1666ea7f56c8.jpg?v=1791715380 Estradiol Valerate EP Impurity D, 97.70% | 1359847-37-2 Estradiol Valerate EP Impurity D|C4X-163613|1359847-37-2 https://www.jk-sci.com/products/s57c4x-164313 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2acd35b8-6dd8-4781-a22b-aa412cec0743.png?v=1791715345 Fenofibrate Impurity 13, 99.50% Fenofibrate Impurity 13|C4X-164313 https://www.jk-sci.com/products/s57c4x-164132 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443411_0b975e95-ba83-43ed-9223-e719be895493.png?v=1791715350 Androstenediol, 92.50% | 521-17-5 Androstenediol|C4X-164132|521-17-5 https://www.jk-sci.com/products/s57c4x-163625 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62d068ac1150486f6cac64d18ab4f289.jpg?v=1791715371 Estradiol Impurity 25, 99.20% | 4245-41-4 Estradiol Impurity 25|C4X-163625|4245-41-4 https://www.jk-sci.com/products/s57c4x-16455 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a9167d3e4038bfebe1ac5a4973178bb.jpg?v=1791715337 Finasteride Impurity 5, Purity: 95.4% | 2760543-46-0 Finasteride Impurity 5|C4X-16455|2760543-46-0 https://www.jk-sci.com/products/s57c4x-16376 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321184_586057cf-dd0b-4b2e-bfef-1e03492356c5.png?v=1791715359 Estriol EP Impurity F, 98.10% | 547-81-9 Estriol EP Impurity F|C4X-16376|547-81-9 https://www.jk-sci.com/products/s57c4x-16474 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471303_f7f8bfdc-455a-4a82-b229-c58c925d8e3e.png?v=1791715332 Flucloxacillin Sodium EP Impurity D, Purity: 99.5% | 3919-74-2 Flucloxacillin Sodium EP Impurity D|C4X-16474|3919-74-2 https://www.jk-sci.com/products/s57c4x-164914 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558013_3a61b785-a2cb-4084-9b38-7d6e4db320f0.png?v=1791715321 Fluorouracil Impurity 14, 99.50% | 6623-81-0 Fluorouracil Impurity 14|C4X-164914|6623-81-0 https://www.jk-sci.com/products/s57c4x-165013 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9c23380484bd26a15b492597e786468.jpg?v=1791715305 Fluticasone USP related compound B, 98.40% | 219719-95-6 Fluticasone USP related compound B|C4X-165013|219719-95-6 https://www.jk-sci.com/products/s57c4x-1650105 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb9797d4-c487-4c58-b69c-ee0a84fb483d.png?v=1791715313 Fluticasone Impurity 105, 98.30% Fluticasone Impurity 105|C4X-1650105 https://www.jk-sci.com/products/ts246cs-0043476 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67e26d80210100eec76e7612ae66f087.jpg?v=1791683962 3-(Tert-butyl)-1H-pyrazole, 97% | 15802-80-9 3-(Tert-butyl)-1H-pyrazole|CS-0043476|15802-80-9 https://www.jk-sci.com/products/ts246cs-0043487 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e22416304067f8e5a777bb97fe6e2fcf.jpg?v=1791683952 4-Chloro-2-methyl-5-nitrobenzoic acid, 98% | 476660-41-0 4-Chloro-2-methyl-5-nitrobenzoic acid|CS-0043487|476660-41-0 https://www.jk-sci.com/products/a01316452 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316452.png?v=1791769429 1H,1H,2H-Heptafluorocyclopentane, 98% | 15290-77-4 1H,1H,2H-Heptafluorocyclopentane, 98%|316452|15290-77-4 https://www.jk-sci.com/products/s57c4x-165024 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e603f8d62552a7eaffaf34247371ebe.jpg?v=1791715296 Fluticasone Impurity 24, 96.70% | 785806-96-4 Fluticasone Impurity 24|C4X-165024|785806-96-4 https://www.jk-sci.com/products/ts246cs-0043558 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30975de434ff417990d5dfb0a549b77a.jpg?v=1791683941 2-Amino-3-cyclopropylpropanoic acid, 97% | 15785-52-1 2-Amino-3-cyclopropylpropanoic acid|CS-0043558|15785-52-1 https://www.jk-sci.com/products/s57c4x-165030 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_061c3e29-973f-4bda-a0b6-1d97bfc32525.png?v=1791715288 Fluticasone Impurity 30, 97.70% Fluticasone Impurity 30|C4X-165030 https://www.jk-sci.com/products/ts246cs-0043597 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500419.png?v=1791683919 6-Fluorobenzo[d]thiazole, 98.00%+ | 118220-71-6 6-Fluorobenzo[d]thiazole|CS-0043597|118220-71-6 https://www.jk-sci.com/products/ts246cs-0020162 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/506290.png?v=1791691814 (4S)-4-Hydroxy-D-proline, 97% | 3398-22-9 (4S)-4-Hydroxy-D-proline|CS-0020162|3398-22-9 https://www.jk-sci.com/products/s57c4x-165035 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f848acef-8f21-446d-af1d-59e897304e36.png?v=1791715283 Fluticasone Impurity 35, 97.70% Fluticasone Impurity 35|C4X-165035 https://www.jk-sci.com/products/s57c4x-165044 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b2affed7-f3c3-48a0-ae86-d2c17f8a0627.png?v=1791715278 Fluticasone Propionate EP Impurity K, 97.10% Fluticasone Propionate EP Impurity K|C4X-165044 https://www.jk-sci.com/products/s57c4x-165042 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_055535c3-e156-465e-a220-edf1fb410b1d.png?v=1791715282 Fluticasone Impurity 42, 99.00% Fluticasone Impurity 42|C4X-165042 https://www.jk-sci.com/products/s57c4x-16507 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b519b47e08593444234197d4e898d83.jpg?v=1791715273 Fluticasone Propionate EP Impurity G, 96.50% | 220589-37-7 Fluticasone Propionate EP Impurity G|C4X-16507|220589-37-7 https://www.jk-sci.com/products/ts246cs-0043570 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b23a4a7bdd167611df559b6832c38579.jpg?v=1791683936 (R)-2-Amino-2-(oxetan-3-yl)acetic acid, 97% | 394653-43-1 (R)-2-Amino-2-(oxetan-3-yl)acetic acid|CS-0043570|394653-43-1 https://www.jk-sci.com/products/s57c4x-1651 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269309.png?v=1791715273 Fluvastatin Sodium Salt, Purity: 99.8% | 93957-55-2 Fluvastatin Sodium Salt|C4X-1651|93957-55-2 https://www.jk-sci.com/products/ts246cs-0043619 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303547.png?v=1791683903 4-(Ethylthio)benzoic acid, 98% | 13205-49-7 4-(Ethylthio)benzoic acid|CS-0043619|13205-49-7 https://www.jk-sci.com/products/s57c4x-165112 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fbe5c17f4bb7992708582cde3750ba5.jpg?v=1791715266 Fluvastatin EP Impurity F Sodium Salt, 91.30% | 2118370-51-5 Fluvastatin EP Impurity F Sodium Salt|C4X-165112|2118370-51-5 https://www.jk-sci.com/products/s57c4x-16513 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_350fde28-a2fa-4ae6-b9e5-beea8002fb63.png?v=1791715261 Fluvastatin EP Impurity C(Sodium Salt), 95.20% Fluvastatin EP Impurity C(Sodium Salt)|C4X-16513 https://www.jk-sci.com/products/ts246cs-0043671 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e32e1e949a87c9eef669e45d11d2ad44.jpg?v=1791683882 2-Bromo-4-chloro-6-methylphenol, 97% | 54852-68-5 2-Bromo-4-chloro-6-methylphenol|CS-0043671|54852-68-5 https://www.jk-sci.com/products/s57c4x-16515 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd177580-3913-4d0e-b169-12a67e3df09a.png?v=1791715261 Fluvastatin EP Impurity E, 99.10% Fluvastatin EP Impurity E|C4X-16515 https://www.jk-sci.com/products/s57c4x-16521 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80cc9b5aac6bddfacf1ebe4a34bb95a5.jpg?v=1791715252 Fosinopril Impurity 1, 99.90% | 72651-25-3 Fosinopril Impurity 1|C4X-16521|72651-25-3 https://www.jk-sci.com/products/ts246cs-0043682 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3afb54977075b05130e320e86b49e09c.jpg?v=1791683867 Methyl 4-cyano-2-fluorobenzoate, 96% | 175596-01-7 Methyl 4-cyano-2-fluorobenzoate|CS-0043682|175596-01-7 https://www.jk-sci.com/products/s57c4x-16567 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522532_e49374ab-4688-4b5a-bb32-b021569e5170.png?v=1791715233 Glibenclamide Impurity 7, 97.40% | 3438-16-2 Glibenclamide Impurity 7|C4X-16567|3438-16-2 https://www.jk-sci.com/products/s57c4x-165413 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273925_09b72e19-619b-41b6-b684-59c639ffca41.png?v=1791715249 Gabapentin Impurity 13, Purity: 99.3% | 1130-32-1 Gabapentin Impurity 13|C4X-165413|1130-32-1 https://www.jk-sci.com/products/ts246cs-0043689 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ed19b4483f19e3fbd03548c2f7fc7d7.jpg?v=1793049735 4-Nitroisoindolin-1-one, 95% | 366452-97-3 4-Nitroisoindolin-1-one|CS-0043689|366452-97-3 https://www.jk-sci.com/products/s57c4x-16547 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345d523740facbe11a5bf853f6f4d052.jpg?v=1791715244 Gabapentin EP Impurity G, Purity: 99.9% | 1500558-49-5 Gabapentin EP Impurity G|C4X-16547|1500558-49-5 https://www.jk-sci.com/products/s57c4x-16542 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622726.png?v=1791715245 Gabapentin EP Impurity B, 94.60% | 133481-09-1 Gabapentin EP Impurity B|C4X-16542|133481-09-1 https://www.jk-sci.com/products/s57c4x-16561 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331051.png?v=1791715238 Glyburide USP RC A, 99.30% | 16673-34-0 Glyburide USP RC A|C4X-16561|16673-34-0 https://www.jk-sci.com/products/s57c4x-16592 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435ca7af64ea72fd26b60fdfcab090f4.jpg?v=1791715234 Hydralazine Impurity 2, 94.20% | 24030-07-7 Hydralazine Impurity 2|C4X-16592|24030-07-7 https://www.jk-sci.com/products/s57c4x-166110 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254997_187e3f67-b79c-4723-acab-6bde9a98d4ac.png?v=1791715226 Iloperidone Impurity 10, 98.70% | 106266-04-0 Iloperidone Impurity 10|C4X-166110|106266-04-0 https://www.jk-sci.com/products/s57c4x-1662109 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5a61bf6e-7124-4387-b52c-907620542270.png?v=1791715221 Imipenem-cilastatin adduct, 84.40% Imipenem-cilastatin adduct|C4X-1662109 https://www.jk-sci.com/products/ts246cs-0043698 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd0b27d5d0efe973aeeffa9134dfeaa4.jpg?v=1791683847 6-Methylimidazo[1,2-a]pyrimidine-3-carboxylic acid, 97% | 1020035-04-4 6-Methylimidazo[1,2-a]pyrimidine-3-carboxylic acid|CS-0043698|1020035-04-4 https://www.jk-sci.com/products/ts246cs-0043710 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a0a17788abcd19e30140a3c9f0e547e.jpg?v=1791683837 Methyl 1H-pyrrolo[2,3-c]pyridine-3-carboxylate, 97% | 108128-12-7 Methyl 1H-pyrrolo[2,3-c]pyridine-3-carboxylate|CS-0043710|108128-12-7 https://www.jk-sci.com/products/ts246cs-0043715 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331877.png?v=1791683826 6-Methoxyquinazolin-4-ol, 98% | 19181-64-7 6-Methoxyquinazolin-4-ol|CS-0043715|19181-64-7 https://www.jk-sci.com/products/ts246cs-0043748 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8515601af10ca97e5bc003b93226117.jpg?v=1791683783 2-(Difluoromethyl)-5-nitropyridine, 98% | 1646152-46-6 2-(Difluoromethyl)-5-nitropyridine|CS-0043748|1646152-46-6 https://www.jk-sci.com/products/ts246cs-0043756 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381205.png?v=1793049729 4-Methylpyridine-3-sulfonic acid, 97.12%+ | 4808-71-3 4-Methylpyridine-3-sulfonic acid|CS-0043756|4808-71-3 https://www.jk-sci.com/products/ts246cs-0043770 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecb381517fa31997d6530c358c7833d1.jpg?v=1791683756 Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate, 95% | 123770-62-7 Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate|CS-0043770|123770-62-7 https://www.jk-sci.com/products/ts246cs-0043794 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08cf218fec8e872b611558e2cea1da9b.jpg?v=1791683735 Methyl 5-fluoro-6-methylpicolinate, 98% | 1245647-61-3 Methyl 5-fluoro-6-methylpicolinate|CS-0043794|1245647-61-3 https://www.jk-sci.com/products/ts246cs-0043777 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32b888845c8235d7db30d88a050a5943.jpg?v=1791683750 2-Formyl-1H-indole-6-carbonitrile, 95% | 104291-63-6 2-Formyl-1H-indole-6-carbonitrile|CS-0043777|104291-63-6 https://www.jk-sci.com/products/ts246cs-0043774 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0356b1647767320cdac624972967d038.jpg?v=1791683751 4-Amino-3-chloro-5-fluorobenzonitrile, 95.26%+ | 1147558-43-7 4-Amino-3-chloro-5-fluorobenzonitrile|CS-0043774|1147558-43-7 https://www.jk-sci.com/products/ts246cs-0043802 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220549.png?v=1791683726 5-Fluoro-1H-benzo[d]imidazole-2(3H)-thione, 98% | 583-42-6 5-Fluoro-1H-benzo[d]imidazole-2(3H)-thione|CS-0043802|583-42-6 https://www.jk-sci.com/products/ts246cs-0043832 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132340.png?v=1791683694 2-Isopropoxynicotinaldehyde, 95.80%+ | 885278-10-4 2-Isopropoxynicotinaldehyde|CS-0043832|885278-10-4 https://www.jk-sci.com/products/ts246cs-0043824 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4274764b850a193e9a97af2235a560ca.jpg?v=1791683706 3-Fluoro-5-nitrobenzonitrile, 98% | 110882-60-5 3-Fluoro-5-nitrobenzonitrile|CS-0043824|110882-60-5 https://www.jk-sci.com/products/ts246cs-0043818 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6af01154ef99b96568d64d197faa24e7.jpg?v=1791683711 Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate, 98% | 1454848-65-7 Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate|CS-0043818|1454848-65-7 https://www.jk-sci.com/products/ts246cs-0043837 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0d8845b857b0e9217c6f303c7ecafc1.jpg?v=1791683688 2-(4-Fluoro-3-methoxyphenyl)acetonitrile, 98.00%+ | 850565-37-6 2-(4-Fluoro-3-methoxyphenyl)acetonitrile|CS-0043837|850565-37-6 https://www.jk-sci.com/products/s57c4x-16618 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc94e5f46dcd60e878a71695abcb453_6a3bd66b-091c-4f22-8cba-108ec0f11e30.jpg?v=1791715227 Iloperidone Impurity 8, 96.40% | 1209459-88-0 Iloperidone Impurity 8|C4X-16618|1209459-88-0 https://www.jk-sci.com/products/digitonin-11024-24-1 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/Digitonin.png?v=1793126577 Digitonin, 50% CAS: 11024-24-1 https://www.jk-sci.com/products/ts246cs-0043890 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffbdcdb36ee7288d578caecd67aecf9c_f159dd4a-f3e6-42c5-9de2-974dc92d3da0.jpg?v=1791683618 4-Aminocyclohexanecarbonitrile hydrochloride, 97% | 1303968-08-2 4-Aminocyclohexanecarbonitrile hydrochloride|CS-0043890|1303968-08-2 https://www.jk-sci.com/products/ts246cs-0043851 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a628a7f54c0c908c8a7ec2e99545941d.jpg?v=1791683674 5-Acetyl-2-fluorobenzonitrile, 97% | 288309-07-9 5-Acetyl-2-fluorobenzonitrile|CS-0043851|288309-07-9 https://www.jk-sci.com/products/s57c4x-166534 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/523026_94d15d14-6398-4e57-9f07-2062153d7c9d.png?v=1791715196 Methyl DL-Mandelate, 99.40% | 4358-87-6 Methyl DL-Mandelate|C4X-166534|4358-87-6 https://www.jk-sci.com/products/ts246cs-0043902 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a8d66c458cbf51314bdc6d082d6a7be.jpg?v=1791683597 3-Chloro-2-fluoroisonicotinaldehyde, 95% | 1149587-02-9 3-Chloro-2-fluoroisonicotinaldehyde|CS-0043902|1149587-02-9 https://www.jk-sci.com/products/s57c4x-166526 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a9529c4d-f6a3-47ac-bad9-801b73e54096.png?v=1791715202 Ipratropium Impurity 26, 96.20% Ipratropium Impurity 26|C4X-166526 https://www.jk-sci.com/products/s57c4x-16632 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c971f736f311cc9195aa6adf30f7c6ff.jpg?v=1791715216 N-Acetyl Cyclized Iodixanol, 91.90% | 171897-72-6 N-Acetyl Cyclized Iodixanol|C4X-16632|171897-72-6 https://www.jk-sci.com/products/s57c4x-166511 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265928.png?v=1791715210 Ipratropium Impurity 11, Purity: 99.2% | 5894-79-1 Ipratropium Impurity 11|C4X-166511|5894-79-1 https://www.jk-sci.com/products/s57c4x-166531 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b394e05ddea423aaba9de9f1ca81728_c9602dd5-e989-465a-bf09-5ef19c1aff11.jpg?v=1791715199 Ipratropium Impurity 31, 91.20% | 3423-25-4 Ipratropium Impurity 31|C4X-166531|3423-25-4 https://www.jk-sci.com/products/s57c4x-166422 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee834ae3-e9f0-4a34-8d10-f217a7a3e48c.png?v=1791715209 Iohexol Impurity G (2,4-diiodo Isomer), Purity: 97.0% Iohexol Impurity G (2,4-diiodo Isomer)|C4X-166422 https://www.jk-sci.com/products/s57c4x-16655 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ebcb0e275f44b248e332daea1599142.jpg?v=1791715194 Ipratropium Bromide EP Impurity E, 100.00% | 22235-81-0 Ipratropium Bromide EP Impurity E|C4X-16655|22235-81-0 https://www.jk-sci.com/products/s57c4x-16659 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81f4c048e7e6014fd1caa67fe54c0f4f.jpg?v=1791715187 Ipratropium Bromide EP Impurity C, 99.80% | 552-63-6 Ipratropium Bromide EP Impurity C|C4X-16659|552-63-6 https://www.jk-sci.com/products/ts246cs-0043893 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a19cb035306bccd79010be3b14bc2d5c.jpg?v=1791683607 1-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanone, 97.00%+ | 460053-60-5 1-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanone|CS-0043893|460053-60-5 https://www.jk-sci.com/products/ts246cs-0042408 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248058.png?v=1791684928 6-Chloro-2-methylpyrimidin-4(1H)-one, 97% | 17551-52-9 6-Chloro-2-methylpyrimidin-4(1H)-one|CS-0042408|17551-52-9 https://www.jk-sci.com/products/s57c4x-16657 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11776bb19b8d0873301d7b6555c9af7a.jpg?v=1791715189 Ipratropium Bromide EP Impurity A, 98.00% | 58005-18-8 Ipratropium Bromide EP Impurity A|C4X-16657|58005-18-8 https://www.jk-sci.com/products/s57c4x-166630 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f189100a06463a1851552901930e7cf8.jpg?v=1791715180 Irbesartan Impurity 30, 99.10% | 141745-71-3 Irbesartan Impurity 30|C4X-166630|141745-71-3 https://www.jk-sci.com/products/ts246cs-0043914 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/867fbb990975d2ea9a8b9994283a946a.jpg?v=1791683581 5-Chloro-2-methoxyphenol, 96% | 3743-23-5 5-Chloro-2-methoxyphenol|CS-0043914|3743-23-5 https://www.jk-sci.com/products/s57c4x-16631 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df33b30a0ac908e0d845f7bbb54e3cb5.jpg?v=1791715220 Cyclic Iodixanol, 91.90% | 171897-73-7 Cyclic Iodixanol|C4X-16631|171897-73-7 https://www.jk-sci.com/products/s57c4x-16662 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7fe48c06ffdbe653c39ac0e827aac21.jpg?v=1791715184 Irbesartan Impurity 2, 99.30% | 177219-40-8 Irbesartan Impurity 2|C4X-16662|177219-40-8 https://www.jk-sci.com/products/ts246cs-0043921 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435949_6da639a7-e7a5-4316-9769-354d9f05a42f.png?v=1791683571 Quinoxaline-2-carbaldehyde, 97% | 1593-08-4 Quinoxaline-2-carbaldehyde|CS-0043921|1593-08-4 https://www.jk-sci.com/products/ts246cs-0043935 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e130f8077d1636d18aed2e3210457d77.jpg?v=1791683560 2-Formylthiophene-3-carboxylic acid, 95% | 19991-69-6 2-Formylthiophene-3-carboxylic acid|CS-0043935|19991-69-6 https://www.jk-sci.com/products/ts246cs-0043961 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77a0771ab070cac392314821fc61d68c.jpg?v=1791683528 (3R,5S)-5-(Hydroxymethyl)pyrrolidin-3-ol hydrochloride, 97% | 478922-47-3 (3R,5S)-5-(Hydroxymethyl)pyrrolidin-3-ol hydrochloride|CS-0043961|478922-47-3 https://www.jk-sci.com/products/ts246cs-0043877 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111196.png?v=1791683638 Methyl 2-cyanonicotinate, 98% | 75358-89-3 Methyl 2-cyanonicotinate|CS-0043877|75358-89-3 https://www.jk-sci.com/products/ts246cs-0043898 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80397aa5f1d96d61202a73c4567fb175.jpg?v=1791683607 4-Fluoro-1H-indole-7-carbonitrile, 98% | 313337-33-6 4-Fluoro-1H-indole-7-carbonitrile|CS-0043898|313337-33-6 https://www.jk-sci.com/products/ts246cs-0043866 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa7f302248df52a2be70f6730c3ae507.jpg?v=1791683653 5-Methoxy-1-methyl-1H-benzo[d]imidazole, 98% | 10394-39-5 5-Methoxy-1-methyl-1H-benzo[d]imidazole|CS-0043866|10394-39-5 https://www.jk-sci.com/products/ts246cs-0043965 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ff2152d0d971c41fcd8eb3a672a7392.jpg?v=1791683520 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine, 98% | 27187-13-9 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine|CS-0043965|27187-13-9 https://www.jk-sci.com/products/ts246cs-0043978 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00aadcdbad56ae3a433e533242204d19.jpg?v=1791683507 4-Fluoro-1H-benzo[d]imidazol-2(3H)-one, 98% | 256519-10-5 4-Fluoro-1H-benzo[d]imidazol-2(3H)-one|CS-0043978|256519-10-5 https://www.jk-sci.com/products/ts246cs-0043971 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99c3b73aa01096ee726339caebe5b181.jpg?v=1791683512 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine, 98% | 898832-40-1 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine|CS-0043971|898832-40-1 https://www.jk-sci.com/products/ts246cs-0043984 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355488.png?v=1791683498 6-Fluoro-1H-indazol-3-amine, 96.17%+ | 404827-75-4 6-Fluoro-1H-indazol-3-amine|CS-0043984|404827-75-4 https://www.jk-sci.com/products/ts246cs-0043997 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4df1683776ca83f73cd2cedc67712441.jpg?v=1791683477 5-Methyl-2-aminobenzoxazol, 95% | 64037-15-6 5-Methyl-2-aminobenzoxazol|CS-0043997|64037-15-6 https://www.jk-sci.com/products/ts246cs-0044009 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76d87880c78d37e5e42c99e938eb2d5f.jpg?v=1791683460 5-Chloro-6-methylpyridin-2-ol, 95% | 103997-23-5 5-Chloro-6-methylpyridin-2-ol|CS-0044009|103997-23-5 https://www.jk-sci.com/products/ts246cs-0044005 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/457380.png?v=1791683466 3-Ethynylbenzoic acid, 98% | 10601-99-7 3-Ethynylbenzoic acid|CS-0044005|10601-99-7 https://www.jk-sci.com/products/ts246cs-0043999 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03d3ac945d73a308ac8ce91ac62a5c9d.jpg?v=1791683477 Bicyclo[4.2.0]octa-1,3,5-trien-3-ylboronic acid, 98% | 195730-31-5 Bicyclo[4.2.0]octa-1,3,5-trien-3-ylboronic acid|CS-0043999|195730-31-5 https://www.jk-sci.com/products/s57c4x-16666 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5390b7cd74f1b2d9237e16976660173a.jpg?v=1791715177 Irbesartan Impurity 6, 98.70% | 133690-91-2 Irbesartan Impurity 6|C4X-16666|133690-91-2 https://www.jk-sci.com/products/s57c4x-166714 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13f9f73ac3bb06772d329b591a7b894b_ab7926fc-898c-4cb8-b030-ad25b5e5febe.jpg?v=1791715175 Irinotecan Impurity 14, 99.90% | 110351-94-5 Irinotecan Impurity 14|C4X-166714|110351-94-5 https://www.jk-sci.com/products/s57c4x-16672 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9449b99e887bc96d51c6a9e2e8348c1f.jpg?v=1791715171 Irinotecan EP Impurity A, 91.30% | 103816-16-6 Irinotecan EP Impurity A|C4X-16672|103816-16-6 https://www.jk-sci.com/products/s57c4x-166732 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ceb26260afa1579c67a2672119a2592.jpg?v=1791715167 Irinotecan EP Impurity M, 98.00% | 185336-12-3 Irinotecan EP Impurity M|C4X-166732|185336-12-3 https://www.jk-sci.com/products/s57c4x-166749 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cf7cf8e4954ea024eca2e5bcc04dd04.jpg?v=1791715166 Irinotecan Impurity 49, 96.90% | 177611-40-4 Irinotecan Impurity 49|C4X-166749|177611-40-4 https://www.jk-sci.com/products/s57c4x-1669 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526973.png?v=1791715161 Ketorolac Trometamol, 88.30% | 74103-07-4 Ketorolac Trometamol|C4X-1669|74103-07-4 https://www.jk-sci.com/products/s57c4x-166915 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b32f842b85190a0825b133457248d6c.jpg?v=1791715150 Ketorolac EP Impurity I, 98.40% | 113502-55-9 Ketorolac EP Impurity I|C4X-166915|113502-55-9 https://www.jk-sci.com/products/s57c4x-166913 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d69914c1fc41cb57a60c4b44443612f3.jpg?v=1791715152 Ketorolac EP Impurity C, 96.70% | 1026936-07-1 Ketorolac EP Impurity C|C4X-166913|1026936-07-1 https://www.jk-sci.com/products/s57c4x-166936 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02f6fcfecd1232e236615b0afc23be61.jpg?v=1791715139 Ketorolac Impurity 36, Purity: 100.0% | 7697-46-3 Ketorolac Impurity 36|C4X-166936|7697-46-3 https://www.jk-sci.com/products/s57c4x-166911 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118417d65a7d1981127ead532bda4fab.jpg?v=1791715156 Ketorolac EP Impurity A, 96.50% | 154476-25-2 Ketorolac EP Impurity A|C4X-166911|154476-25-2 https://www.jk-sci.com/products/s57c4x-166931 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481664.png?v=1791715146 Ketorolac, 99.60% | 74103-06-3 Ketorolac|C4X-166931|74103-06-3 https://www.jk-sci.com/products/s57c4x-166919 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52b41414-84be-4ee7-b2d7-8a0b7279222e.png?v=1791715146 Ketorolac Impurity 19, Purity: 100.0% Ketorolac Impurity 19|C4X-166919 https://www.jk-sci.com/products/s57c4x-16698 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74c49bb1b480cd3bc645df93c4777f24.jpg?v=1791715129 Ketorolac EP Impurity H, 98.30% | 80965-09-9 Ketorolac EP Impurity H|C4X-16698|80965-09-9 https://www.jk-sci.com/products/s57c4x-166952 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8395bd2037c538d3aaa2d5ef468c0715.jpg?v=1791715133 Ketorolac Impurity 52, 99.90% | 147088-89-9 Ketorolac Impurity 52|C4X-166952|147088-89-9 https://www.jk-sci.com/products/s57c4x-16695 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b62738773cdfba4750f1e2a44035626b.jpg?v=1791715137 Ketorolac EP Impurity E, 97.30% | 167105-80-8 Ketorolac EP Impurity E|C4X-16695|167105-80-8 https://www.jk-sci.com/products/s57c4x-16713 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f09f1cfaf9a1a3a7758a78237cb6984f.jpg?v=1791715122 Lacidipine BP Impurity B, 99.90% | 130996-24-6 Lacidipine BP Impurity B|C4X-16713|130996-24-6 https://www.jk-sci.com/products/s57c4x-167210 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b759c385e0b05198342e2b304cc028.jpg?v=1791715118 Lamotrigine EP Impurity B, 95.40% | 94213-24-8 Lamotrigine EP Impurity B|C4X-167210|94213-24-8 https://www.jk-sci.com/products/ts246cs-0044023 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514193.png?v=1791683442 2-(4-Methyl-1H-pyrazol-1-yl)acetic acid, 97% | 956364-44-6 2-(4-Methyl-1H-pyrazol-1-yl)acetic acid|CS-0044023|956364-44-6 https://www.jk-sci.com/products/ts246cs-0044028 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153570.png?v=1791683435 (3-Methoxypyridin-2-yl)methanol, 99.85%+ | 51984-46-4 (3-Methoxypyridin-2-yl)methanol|CS-0044028|51984-46-4 https://www.jk-sci.com/products/s57c4x-16722 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a044b22ae5ab29abb5fa032cecd40f.jpg?v=1791715119 Lamotrigine EP Impurity F, 94.90% | 252186-79-1 Lamotrigine EP Impurity F|C4X-16722|252186-79-1 https://www.jk-sci.com/products/s57c4x-16727 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4158b97a-9f58-40a0-bf14-7839164a5878.png?v=1791715104 Lamotrigine-13cd3, Purity>95% Lamotrigine-13cd3|C4X-16727 https://www.jk-sci.com/products/s57c4x-16724 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6000254475c20d5d01fc604ce1199c5.jpg?v=1791715109 Lamotrigine EP Impurity C, 96.60% | 94213-23-7 Lamotrigine EP Impurity C|C4X-16724|94213-23-7 https://www.jk-sci.com/products/s57c4x-167315 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200621.png?v=1791715106 Leflunomide Impurity 15, 94.80% | 4637-24-5 Leflunomide Impurity 15|C4X-167315|4637-24-5 https://www.jk-sci.com/products/s57c4x-16733 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ddb647a8938fe7e1bd42a1031b8f5a1.jpg?v=1791715100 Leflunomide EP Impurity C, 96.30% | 61643-23-0 Leflunomide EP Impurity C|C4X-16733|61643-23-0 https://www.jk-sci.com/products/s57c4x-167612 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3aecf36c504b98b4c3976f1a4aea9f0.jpg?v=1791715084 Levodopa Impurity 12, 99.10% | 25520-73-4 Levodopa Impurity 12|C4X-167612|25520-73-4 https://www.jk-sci.com/products/s57c4x-16762 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122039.png?v=1791715085 Levodopa EP Impurity C, 91.20% | 7636-26-2 Levodopa EP Impurity C|C4X-16762|7636-26-2 https://www.jk-sci.com/products/s57c4x-16735 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/175a87e119c5301288c2a1ce0fd854f0.jpg?v=1791715095 Leflunomide EP Impurity E, Purity: 96.7% | 208401-20-1 Leflunomide EP Impurity E|C4X-16735|208401-20-1 https://www.jk-sci.com/products/s57c4x-16739 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/849825cc6893ae8e0390e022645777c8_abf9b8cf-4366-431f-8336-6a9bab9d9625.jpg?v=1791715089 Leflunomide EP Impurity B (Teriflunomide), 90.90% | 163451-81-8 Leflunomide EP Impurity B (Teriflunomide)|C4X-16739|163451-81-8 https://www.jk-sci.com/products/ts246cs-0108027 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359030.png?v=1791662797 EGNHS, 97% | 70539-42-3 EGNHS|CS-0108027|70539-42-3 https://www.jk-sci.com/products/s57c4x-16767 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b12f4d4e05e8c1d17af1051bcf6a938a.jpg?v=1791715074 L-Veratrylglycine, 99.70% | 32161-30-1 L-Veratrylglycine|C4X-16767|32161-30-1 https://www.jk-sci.com/products/s57c4x-167722 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e874847e9a7dbf702d08fecc171ddd34.jpg?v=1791715051 Levonorgestrel EP Impurity W, 97.40% | 155683-59-3 Levonorgestrel EP Impurity W|C4X-167722|155683-59-3 https://www.jk-sci.com/products/s57c4x-167712 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123673.png?v=1791715069 Levonorgestrel EP Impurity L, 99.20% | 21800-83-9 Levonorgestrel EP Impurity L|C4X-167712|21800-83-9 https://www.jk-sci.com/products/s57c4x-16771 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b46162afc92b9d8c902d59b2cf95e42.jpg?v=1791715074 Levonorgestrel EP Impurity A, 92.10% | 1260525-53-8 Levonorgestrel EP Impurity A|C4X-16771|1260525-53-8 https://www.jk-sci.com/products/s57c4x-167714 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f00cd80ee4735c181eec269ecb0da811.jpg?v=1791715062 Levonorgestrel EP Impurity N, 99.30% | 4222-96-2 Levonorgestrel EP Impurity N|C4X-167714|4222-96-2 https://www.jk-sci.com/products/s57c4x-167716 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553dcbd548d299bb0b4ed7eaaa0644d9.jpg?v=1791715060 Levonorgestrel EP Impurity P, 94.10% | 100021-05-4 Levonorgestrel EP Impurity P|C4X-167716|100021-05-4 https://www.jk-sci.com/products/s57c4x-167719 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc0d328495ef5be4812abd8716fe4ee.jpg?v=1791715056 Levonorgestrel EP Impurity S, 99.00% | 176254-10-7 Levonorgestrel EP Impurity S|C4X-167719|176254-10-7 https://www.jk-sci.com/products/s57c4x-167720 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7206240c1bcc6d3634b50415c69a9dd7.jpg?v=1791715052 Levonorgestrel EP Impurity T, 99.30% | 14507-51-8 Levonorgestrel EP Impurity T|C4X-167720|14507-51-8 https://www.jk-sci.com/products/s57c4x-16777 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eff1441df8dee2ec6a657c28bff04129.jpg?v=1791715040 Levonorgestrel EP Impurity G, 99.60% | 87585-03-3 Levonorgestrel EP Impurity G|C4X-16777|87585-03-3 https://www.jk-sci.com/products/s57c4x-16779 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec741dd93d2a40fb2570f18e7478429.jpg?v=1791715037 Levonorgestrel EP Impurity I, 95.80% | 21508-50-9 Levonorgestrel EP Impurity I|C4X-16779|21508-50-9 https://www.jk-sci.com/products/s57c4x-16773 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26ddf5d820f58dc9dc6cb68934c2d80b.jpg?v=1791715045 Levonorgestrel EP Impurity C, 94.70% | 1337972-89-0 Levonorgestrel EP Impurity C|C4X-16773|1337972-89-0 https://www.jk-sci.com/products/s57c4x-167810 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4084191b1fee67cbb59db1e2d12db07c.jpg?v=1791715033 Levothyroxine N-Acetyl Impurity, 91.70% | 26041-51-0 Levothyroxine N-Acetyl Impurity|C4X-167810|26041-51-0 https://www.jk-sci.com/products/a01316759 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316759.png?v=1791769416 4-Chloro-D-mandelic acid, 98% | 32189-36-9 4-Chloro-D-mandelic acid, 98%|316759|32189-36-9 https://www.jk-sci.com/products/ts246cs-0043045 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210269.png?v=1791684215 6-Methoxy-1-naphthoic acid, 97.27%+ | 36112-61-5 6-Methoxy-1-naphthoic acid|CS-0043045|36112-61-5 https://www.jk-sci.com/products/ts246cs-0043074 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296ffee55d045189aa9909d5c837509d.jpg?v=1791684179 6-Bromo-N-methylpyridazin-3-amine, 97% | 1208657-07-1 6-Bromo-N-methylpyridazin-3-amine|CS-0043074|1208657-07-1 https://www.jk-sci.com/products/a01317430 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317430.png?v=1791769396 2–Carbomethoxy–3–tropinone, 96% | 36127-17-0 2–Carbomethoxy–3–tropinone, 96%|317430|36127-17-0 https://www.jk-sci.com/products/ts246cs-0043086 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c874a414f4a3aa04df1022f362afb3d1.jpg?v=1793049745 7-Hydroxyquinoline-3-carboxylic acid, 95% | 659730-27-5 7-Hydroxyquinoline-3-carboxylic acid|CS-0043086|659730-27-5 https://www.jk-sci.com/products/s57c4x-16782 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c165524452e7ab5f6265ff6de7766c54.jpg?v=1791715027 Levothyroxine EP Impurity B, 95.40% | 1628720-66-0 Levothyroxine EP Impurity B|C4X-16782|1628720-66-0 https://www.jk-sci.com/products/s57c4x-167826 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b7c8960c303a9d025477457267b21ab.jpg?v=1791715021 Levothyroxine Impurity 26, 95.30% | 176258-88-1 Levothyroxine Impurity 26|C4X-167826|176258-88-1 https://www.jk-sci.com/products/ts246cs-0043150 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c07fd9a1870bb9ae0258a5ece35f931b.jpg?v=1791684088 Ethyl 2-amino-5-fluorobenzoate, 99.35%+ | 391-93-5 Ethyl 2-amino-5-fluorobenzoate|CS-0043150|391-93-5 https://www.jk-sci.com/products/ts246cs-0043096 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38ed2b273b3d3e2f70017ed489514848.jpg?v=1791684152 8-Chloro-6-methoxyquinoline, 97% | 796851-15-5 8-Chloro-6-methoxyquinoline|CS-0043096|796851-15-5 https://www.jk-sci.com/products/ts246cs-0043116 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230290.png?v=1791684126 Ethyl pyrrolo[1,2-c]pyrimidine-3-carboxylate, 97% | 107407-80-7 Ethyl pyrrolo[1,2-c]pyrimidine-3-carboxylate|CS-0043116|107407-80-7 https://www.jk-sci.com/products/ts246cs-0043164 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10ea896d2411c66431a10cd1962117a4.jpg?v=1791684066 5-Chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine, 98% | 1116136-63-0 5-Chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine|CS-0043164|1116136-63-0 https://www.jk-sci.com/products/ts246cs-0043195 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60674cc7e7e080fd04de7e4d2a76bdef.jpg?v=1791684036 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one, 98.00%+ | 1260018-63-0 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one|CS-0043195|1260018-63-0 https://www.jk-sci.com/products/ts246cs-0043729 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400011.png?v=1793049734 H-allo-Thr(tBu)-OH, 97% | 201353-89-1 H-allo-Thr(tBu)-OH|CS-0043729|201353-89-1 https://www.jk-sci.com/products/ts246cs-0043415 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/858528a6e6b0d13a6b72015c631f2565.jpg?v=1791683972 Methyl 4-ethoxy-3-oxobutanoate, 95% | 415678-65-8 Methyl 4-ethoxy-3-oxobutanoate|CS-0043415|415678-65-8 https://www.jk-sci.com/products/ts246cs-0043282 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c169ea9af48b362812ec3415700b30bb.jpg?v=1791684006 7-Bromo-6-fluoro-2,3-dihydro-4H-1-benzopyran-4-one, 95.58%+ | 27407-12-1 7-Bromo-6-fluoro-2,3-dihydro-4H-1-benzopyran-4-one|CS-0043282|27407-12-1 https://www.jk-sci.com/products/ts246cs-0043490 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc819bb62cf22a70e8e072125fd95295.jpg?v=1791683946 2-Hydroxyacetimidamide hydrochloride, 97% | 54198-71-9 2-Hydroxyacetimidamide hydrochloride|CS-0043490|54198-71-9 https://www.jk-sci.com/products/ts246cs-0043595 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388796_902e6a47-a46e-4e78-95bf-73af0359f015.png?v=1791683924 (4-Fluorophenyl)methanol, 97% | 459-56-3 (4-Fluorophenyl)methanol|CS-0043595|459-56-3 https://www.jk-sci.com/products/s57c4x-16783 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328256_c55f1404-7463-4adb-a6e1-e57be8eec020.png?v=1791715017 Levothyroxine EP Impurity C, 95.50% | 51-24-1 Levothyroxine EP Impurity C|C4X-16783|51-24-1 https://www.jk-sci.com/products/s57c4x-167831 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283832.png?v=1791715017 Levothyroxine Related Compound, 80.20% | 93647-48-4 Levothyroxine Related Compound|C4X-167831|93647-48-4 https://www.jk-sci.com/products/s57c4x-167849 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7981009947d4ea3b7250bfe95a7e4de6.jpg?v=1791715011 Levothyroxine Impurity 49, 94.90% | 106822-80-4 Levothyroxine Impurity 49|C4X-167849|106822-80-4 https://www.jk-sci.com/products/ts246cs-0043668 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d49091c2d6c6ae26e712cbfd4dad2ab.jpg?v=1791683888 Methyl 3-amino-5-bromo-4-hydroxybenzoate, 96% | 260249-10-3 Methyl 3-amino-5-bromo-4-hydroxybenzoate|CS-0043668|260249-10-3 https://www.jk-sci.com/products/s57c4x-16786 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531bb3d4aaa21a12188410da47dad18b.jpg?v=1791715007 Levothyroxine EP Impurity F, 90.90% | 911661-90-0 Levothyroxine EP Impurity F|C4X-16786|911661-90-0 https://www.jk-sci.com/products/s57c4x-16789 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c669b98719c68f1831371febe7dec36.jpg?v=1791715001 Levothyroxine EP Impurity I, 78.40% | 2016-06-0 Levothyroxine EP Impurity I|C4X-16789|2016-06-0 https://www.jk-sci.com/products/ts246cs-0043686 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cb7bbbc524f2b00d0d2cd02fc3d0b59.jpg?v=1791683862 6-Nitro-1,2,3,4-tetrahydroquinoline, 96% | 14026-45-0 6-Nitro-1,2,3,4-tetrahydroquinoline|CS-0043686|14026-45-0 https://www.jk-sci.com/products/ts246cs-0043706 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124496.png?v=1791683840 5-Chloro-1H-indole-3-carbonitrile, 97% | 194490-14-7 5-Chloro-1H-indole-3-carbonitrile|CS-0043706|194490-14-7 https://www.jk-sci.com/products/ts246cs-0043760 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1482274.png?v=1791683767 (S)-Pyrrolidin-2-ylmethanamine dihydrochloride, 95% | 103382-84-9 (S)-Pyrrolidin-2-ylmethanamine dihydrochloride|CS-0043760|103382-84-9 https://www.jk-sci.com/products/ts246cs-0043798 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b5fbdba362101990e2be19c8113e3f7.jpg?v=1791683731 5-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one, 96% | 1190314-60-3 5-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one|CS-0043798|1190314-60-3 https://www.jk-sci.com/products/ts246cs-0043776 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec191a0837f56b0ab90999709a0c08e5.jpg?v=1791683750 5-Chloro-3-(trifluoromethyl)-1H-pyrazole, 95% | 131797-35-8 5-Chloro-3-(trifluoromethyl)-1H-pyrazole|CS-0043776|131797-35-8 https://www.jk-sci.com/products/ts246cs-0043823 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a526b38cdbc7d495c6a8bd5bb4e511e.jpg?v=1791683706 4-Amino-3-nitrobenzaldehyde, 96% | 51818-99-6 4-Amino-3-nitrobenzaldehyde|CS-0043823|51818-99-6 https://www.jk-sci.com/products/ts246cs-0043835 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/715ec233380350d83578b3146c263776.jpg?v=1791683690 7-Fluoro-3,4-dihydroquinolin-2(1H)-one, 98% | 4590-52-7 7-Fluoro-3,4-dihydroquinolin-2(1H)-one|CS-0043835|4590-52-7 https://www.jk-sci.com/products/ts246cs-0043852 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a3b6076eebbbb1e78290081bc22a428.jpg?v=1791683670 8-Fluoroquinolin-2(1H)-one, 97.00%+ | 71738-83-5 8-Fluoroquinolin-2(1H)-one|CS-0043852|71738-83-5 https://www.jk-sci.com/products/ts246cs-0043889 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4067e0e3baecb71d7e0ea92868186d6.jpg?v=1791683617 2-(Difluoromethoxy)pyridin-4-ol, 99.79%+ | 205043-09-0 2-(Difluoromethoxy)pyridin-4-ol|CS-0043889|205043-09-0 https://www.jk-sci.com/products/ts246cs-0043963 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a54348d08a43e48d0fb280ca37d91a80.jpg?v=1791683524 5-Chloro-7H-pyrrolo[2,3-d]pyrimidine, 98.25%+ | 1041864-02-1 5-Chloro-7H-pyrrolo[2,3-d]pyrimidine|CS-0043963|1041864-02-1 https://www.jk-sci.com/products/ts246cs-0043934 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb8af9b37ce5aa5d310f4cb14c78784c.jpg?v=1791683565 Ethyl 3-oxa-bicyclo[3.1.0]hexane-6-carboxylate, 95% | 335599-07-0 Ethyl 3-oxa-bicyclo[3.1.0]hexane-6-carboxylate|CS-0043934|335599-07-0 https://www.jk-sci.com/products/ts246cs-0043896 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277bf273151a5ed8ca5cdf6a6103e476.jpg?v=1791683607 1-Methyl-1H-indazole-5-carbaldehyde, 97% | 872607-89-1 1-Methyl-1H-indazole-5-carbaldehyde|CS-0043896|872607-89-1 https://www.jk-sci.com/products/ts246cs-0043908 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257778.png?v=1791683591 8-Methoxyquinoline, 98% | 938-33-0 8-Methoxyquinoline|CS-0043908|938-33-0 https://www.jk-sci.com/products/ts246cs-0043972 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/572313_14208eeb-66a4-4fd3-b835-77100f1b0ce0.png?v=1791683508 (6-Methoxypyridin-2-yl)boronic acid, 97% | 372963-51-4 (6-Methoxypyridin-2-yl)boronic acid|CS-0043972|372963-51-4 https://www.jk-sci.com/products/ts246cs-0044000 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b27de6ee2241effca4619938b3d402c.jpg?v=1791683476 exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride, 95.00%+ | 39245-79-9 exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride|CS-0044000|39245-79-9 https://www.jk-sci.com/products/ts246cs-0043995 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/168264c4ee19ed980fe5eeb3638c1cad.jpg?v=1791683482 7-Methoxy-1H-benzo[d]imidazole, 98% | 27080-53-1 7-Methoxy-1H-benzo[d]imidazole|CS-0043995|27080-53-1 https://www.jk-sci.com/products/ts246cs-0044017 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254180d5f047101439fee9d277bc05ff.jpg?v=1791683456 Ethyl isoxazole-5-carboxylate, 97% | 173850-41-4 Ethyl isoxazole-5-carboxylate|CS-0044017|173850-41-4 https://www.jk-sci.com/products/ts246cs-0043055 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4fda435ab1eb89ba907112c1b21ef6c.jpg?v=1791684203 6-Chloro-5-cyanopicolinic acid, 98% | 53234-56-3 6-Chloro-5-cyanopicolinic acid|CS-0043055|53234-56-3 https://www.jk-sci.com/products/ts246cs-0043092 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501e17685182052e311ba40210f4832a.jpg?v=1791684156 8-Fluoroquinoline-3-carboxylic acid, 98% | 71082-53-6 8-Fluoroquinoline-3-carboxylic acid|CS-0043092|71082-53-6 https://www.jk-sci.com/products/ts246cs-0043126 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e5d5fef6e5aa204c3899b97f5e9256e.jpg?v=1791684114 Methyl 5-amino-6-methoxynicotinate, 95% | 59237-50-2 Methyl 5-amino-6-methoxynicotinate|CS-0043126|59237-50-2 https://www.jk-sci.com/products/ts246cs-0043180 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8d61a4b417a45176ff754db1a4e600b.jpg?v=1791684047 Ethyl 2-(benzo[d]oxazol-2-yl)acetate, 96% | 16105-44-5 Ethyl 2-(benzo[d]oxazol-2-yl)acetate|CS-0043180|16105-44-5 https://www.jk-sci.com/products/s57c4x-167911 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a817e869cb9f4ffd3409b207787c9684.jpg?v=1791714998 Lidocaine EP Impurity K Hydrochloride, 97.90% | 50295-20-0 Lidocaine EP Impurity K Hydrochloride|C4X-167911|50295-20-0 https://www.jk-sci.com/products/s57c4x-167915 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0f6433e25403d0011d4dabe80f7b491.jpg?v=1791714997 Lidocaine EP Impurity D, 96.60% | 7728-40-7 Lidocaine EP Impurity D|C4X-167915|7728-40-7 https://www.jk-sci.com/products/s57c4x-167927 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463546.png?v=1791714988 Lidocaine Impurity 27, Purity: 99.3% | 5177-35-5 Lidocaine Impurity 27|C4X-167927|5177-35-5 https://www.jk-sci.com/products/s57c4x-167921 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128a6a9217c0c508fb1970035598b806.jpg?v=1791714992 Lidocaine EP Impurity F, 99.10% | 142713-08-4 Lidocaine EP Impurity F|C4X-167921|142713-08-4 https://www.jk-sci.com/products/s57c4x-167936 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c6a1c0d7ad9ed67c9ef86bfeedd49de.jpg?v=1791714982 Lidocaine EP Impurity G, Purity: 99.8% | 42459-30-3 Lidocaine EP Impurity G|C4X-167936|42459-30-3 https://www.jk-sci.com/products/s57c4x-167943 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f193cb9f-29c0-41fe-8830-3cbcf4d316f0.png?v=1791714983 Lidocaine Impurity 43, 99.10% Lidocaine Impurity 43|C4X-167943 https://www.jk-sci.com/products/s57c4x-153233 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589943_ecd2a360-bb5e-40cb-8e63-6e72f5d379f1.png?v=1791716084 Acetylcysteine Impurity 33, 92.30% | 15058-19-2 Acetylcysteine Impurity 33|C4X-153233|15058-19-2 https://www.jk-sci.com/products/s57c4x-154915 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_016b8aae-7b67-4759-a92e-2d95077975d9.png?v=1791715996 Atenolol EP Impurity G HCl, 90.60% Atenolol EP Impurity G HCl|C4X-154915 https://www.jk-sci.com/products/s57c4x-154220 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_14ac6188-1a2f-441a-a89f-b77732208ccc.png?v=1791716023 Amorolfine EP Impurity C HCI, 96.50% Amorolfine EP Impurity C HCI|C4X-154220 https://www.jk-sci.com/products/s57c4x-15637 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256ed570ff9ce45b74197859f0667b6c.jpg?v=1791715889 Biotin Impurity 7, 98.10% | 21788-37-4 Biotin Impurity 7|C4X-15637|21788-37-4 https://www.jk-sci.com/products/s57c4x-156013 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28cb9edcbda4f98639b2a67180f5ab68.jpg?v=1791715927 N-octadecylpalmitamide, Purity: 98.1% | 130754-61-9 N-octadecylpalmitamide|C4X-156013|130754-61-9 https://www.jk-sci.com/products/s57c4x-155032 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d58a81a-8f51-4ca4-80a1-3a5986a69b23.png?v=1791715967 Atomoxetine Impurity 32, Purity: 97.0% Atomoxetine Impurity 32|C4X-155032 https://www.jk-sci.com/products/s57c4x-156637 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7839c2e9-ca8b-4158-83c0-a80339380ed9.png?v=1791715860 Brimonidine EP Impurity G HCl, Purity: 98.9% Brimonidine EP Impurity G HCl|C4X-156637 https://www.jk-sci.com/products/ts246cs-0043332 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18f1a712e52d63afb9aca2c248078d53.jpg?v=1791683987 Oxetane-3-carbonitrile, 97.17%+ | 1420800-16-3 Oxetane-3-carbonitrile|CS-0043332|1420800-16-3 https://www.jk-sci.com/products/ts246cs-0043565 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1150273_818fbbe5-871d-44dc-8295-5c4e18ed6dba.png?v=1791683942 COMU, 97% | 1075198-30-9 COMU|CS-0043565|1075198-30-9 https://www.jk-sci.com/products/ts246cs-0043674 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f17b46efc1843a93688815e36f99311.jpg?v=1791683877 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carboxylate, 97% | 676501-89-6 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carboxylate|CS-0043674|676501-89-6 https://www.jk-sci.com/products/s57c4x-157413 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4f3b36c5-bed8-4845-8a76-287c43214e44.png?v=1791715829 Carvedilol impurity 13, 99.00% Carvedilol impurity 13|C4X-157413 https://www.jk-sci.com/products/s57c4x-157727 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eeda9309-be3c-4322-9870-b4540b6351ba.png?v=1791715796 Cefazolin EP Impurity I（Cefazolin USP RC L）, 91.80% | 1675244-99-1 Cefazolin EP Impurity I（Cefazolin USP RC L）|C4X-157727|1675244-99-1 https://www.jk-sci.com/products/s57c4x-15799 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_16c3c920-6f9f-4d11-81b0-08476727d8f5.png?v=1791715767 Cefpodoxime Proxetil Impurity 9, 94.20% Cefpodoxime Proxetil Impurity 9|C4X-15799 https://www.jk-sci.com/products/ts246cs-0043712 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a26817c63bf5337b33267fd70f0b2eaf.jpg?v=1791683832 Methyl imidazo[1,2-a]pyridine-8-carboxylate, 97% | 133427-07-3 Methyl imidazo[1,2-a]pyridine-8-carboxylate|CS-0043712|133427-07-3 https://www.jk-sci.com/products/s57c4x-158918 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438996_ba54a7b6-6e12-4963-a2ec-40f98bd2ce36.png?v=1791715736 Cimetidine EP Impurity I, 98.70% | 29636-87-1 Cimetidine EP Impurity I|C4X-158918|29636-87-1 https://www.jk-sci.com/products/ts246cs-0043771 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ce3d59ccde7ee4bcc71f39357cf5537.jpg?v=1791683756 (3-Fluoro-4-nitrophenyl)methanol, 98% | 503315-74-0 (3-Fluoro-4-nitrophenyl)methanol|CS-0043771|503315-74-0 https://www.jk-sci.com/products/s57c4x-159031 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffd3ca7a2d90ec28d0ea890af76e1898.jpg?v=1791715703 Safinamide Impurity 31, 99.60% | 202825-43-2 Safinamide Impurity 31|C4X-159031|202825-43-2 https://www.jk-sci.com/products/ts246cs-0043807 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da93fe6ed95bed19c45618e107d2881d.jpg?v=1791683721 2-Chloro-4-methoxybenzonitrile, 98% | 127666-99-3 2-Chloro-4-methoxybenzonitrile|CS-0043807|127666-99-3 https://www.jk-sci.com/products/s57c4x-159168 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46b2fd446db611020635437e0bbc32d.jpg?v=1791715670 Parecoxib Impurity 68, 95.60% | 1373038-60-8 Parecoxib Impurity 68|C4X-159168|1373038-60-8 https://www.jk-sci.com/products/ts246cs-0043845 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05e794f5920a8ed403f844840b641abb.jpg?v=1791683679 4-Nitro-1H-1,2,3-benzotriazole, 97% | 6299-39-4 4-Nitro-1H-1,2,3-benzotriazole|CS-0043845|6299-39-4 https://www.jk-sci.com/products/ts246cs-0043917 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acfb25ec1e505e5ee12d05bb3dd8d5f0.jpg?v=1791683575 Ethyl tetrahydro-2H-pyran-4-carboxylate, 98.00%+ | 96835-17-5 Ethyl tetrahydro-2H-pyran-4-carboxylate|CS-0043917|96835-17-5 https://www.jk-sci.com/products/ts246cs-0043966 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca81ec753ec963fdcbd3037ba8cbc986.jpg?v=1791683519 5-amino-3-chloropicolinonitrile, 97% | 488713-31-1 5-amino-3-chloropicolinonitrile|CS-0043966|488713-31-1 https://www.jk-sci.com/products/ts246cs-0043998 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79d5e831bc43c1f999e0685b2b0f3cb3.jpg?v=1791683476 2-Ethynyl-4-fluorobenzaldehyde, 98% | 749874-24-6 2-Ethynyl-4-fluorobenzaldehyde|CS-0043998|749874-24-6 https://www.jk-sci.com/products/ts246cs-0043892 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/284ff307d078e9a8ce21e6e13608d9dc.jpg?v=1793049724 Methyl 2-ethynylbenzoate, 96.63%+ | 33577-99-0 Methyl 2-ethynylbenzoate|CS-0043892|33577-99-0 https://www.jk-sci.com/products/ts246cs-0044044 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413756.png?v=1791683416 6-Fluoro-5-methylnicotinonitrile, 95% | 261625-67-6 6-Fluoro-5-methylnicotinonitrile|CS-0044044|261625-67-6 https://www.jk-sci.com/products/ts246cs-0043111 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484569_d88150ee-1130-4ec7-b475-0b5de6d46cfe.png?v=1791684131 N-Methyl-2-(trifluoromethoxy)aniline, 99.76%+ | 175278-04-3 N-Methyl-2-(trifluoromethoxy)aniline|CS-0043111|175278-04-3 https://www.jk-sci.com/products/ts246cs-0043220 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48880814b549fc2f09ffe8b867f69710.jpg?v=1791684026 3-Chloro-4-ethylbenzenamine, 96% | 50775-72-9 3-Chloro-4-ethylbenzenamine|CS-0043220|50775-72-9 https://www.jk-sci.com/products/ts246cs-0043604 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16c497c169d643a8eafeed57d15dad9e.jpg?v=1791683910 (5-Methoxypyrazin-2-yl)methanol, 98% | 72788-88-6 (5-Methoxypyrazin-2-yl)methanol|CS-0043604|72788-88-6 https://www.jk-sci.com/products/ts246cs-0043755 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331357_77e3ff7c-10d6-401c-9b81-ca9d192aee9c.png?v=1791683778 5-Methylpyridine-3-sulfonic acid, 96% | 4808-70-2 5-Methylpyridine-3-sulfonic acid|CS-0043755|4808-70-2 https://www.jk-sci.com/products/ts246cs-0043826 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c58832631af6225b8c61a8fd8f42efc.jpg?v=1791683699 (S)-Piperidine-3-carboxylic acid hydrochloride, 97% | 851956-01-9 (S)-Piperidine-3-carboxylic acid hydrochloride|CS-0043826|851956-01-9 https://www.jk-sci.com/products/ts246cs-0043899 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2dcfcdbf2b1f7f0d2a17ae268701945.jpg?v=1791683601 2-(Difluoromethoxy)pyridin-4-amine, 98% | 1211587-46-0 2-(Difluoromethoxy)pyridin-4-amine|CS-0043899|1211587-46-0 https://www.jk-sci.com/products/ts246cs-0043982 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130984.png?v=1791683499 1H-Imidazo[4,5-b]pyridine-2(3H)-thione, 98.20%+ | 29448-81-5 1H-Imidazo[4,5-b]pyridine-2(3H)-thione|CS-0043982|29448-81-5 https://www.jk-sci.com/products/s57c4x-159710 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557346_be203b8b-26fc-4460-9df3-d15830c15146.png?v=1791715634 Cloxacillin Sodium EP Impurity D, 99.90% | 23598-72-3 Cloxacillin Sodium EP Impurity D|C4X-159710|23598-72-3 https://www.jk-sci.com/products/ts246cs-0044024 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144104.png?v=1791683440 2-Hydroxypyrimidine-5-carboxylic acid, 97.69%+ | 38324-83-3 2-Hydroxypyrimidine-5-carboxylic acid|CS-0044024|38324-83-3 https://www.jk-sci.com/products/ts246cs-0043160 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161472_f716a133-bf48-4c30-876d-2d7c888e445d.png?v=1791684067 2-Methoxy-5-nitrobenzaldehyde, 96% | 25016-02-8 2-Methoxy-5-nitrobenzaldehyde|CS-0043160|25016-02-8 https://www.jk-sci.com/products/s57c4x-160620 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f96e43b5f047ccfff2e0194f7d64f167.jpg?v=1791715621 Darunavir Impurity 20, 97.00% | 2307745-62-4 Darunavir Impurity 20|C4X-160620|2307745-62-4 https://www.jk-sci.com/products/s57c4x-161311 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105297_b9bb6743-93d8-454d-93f0-5c03c0e5bbdf.png?v=1791715584 Dexpanthenol Impurity 11, Purity: 98.7% | 2140-53-6 Dexpanthenol Impurity 11|C4X-161311|2140-53-6 https://www.jk-sci.com/products/ts246cs-0043874 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513447.png?v=1793049727 Imidazo[1,2-a]pyridine-8-carboxylic acid, 98% | 133427-08-4 Imidazo[1,2-a]pyridine-8-carboxylic acid|CS-0043874|133427-08-4 https://www.jk-sci.com/products/ts246cs-0043696 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d82bdc55b94066f26d39d23d344efde.jpg?v=1791683852 7-Methoxy-3,4-dihydroquinolin-2(1H)-one, 98% | 22246-17-9 7-Methoxy-3,4-dihydroquinolin-2(1H)-one|CS-0043696|22246-17-9 https://www.jk-sci.com/products/s57c4x-16181 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edf566f6c01771473563c270f111b7a6.jpg?v=1791715569 Dipyridamole EP Impurity A, Purity: 99.1% | 16982-40-4 Dipyridamole EP Impurity A|C4X-16181|16982-40-4 https://www.jk-sci.com/products/s57c4x-161939 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28bc5fdbcb5617b0a12925499a582e92.jpg?v=1791715554 Docetaxel Impurity 39, 97.40% | 859498-31-0 Docetaxel Impurity 39|C4X-161939|859498-31-0 https://www.jk-sci.com/products/ts246cs-0044006 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de5069f770ace12b9a15ef611dd1ccfb.jpg?v=1791683464 (S)-Methyl morpholine-3-carboxylate, 97% | 741288-31-3 (S)-Methyl morpholine-3-carboxylate|CS-0044006|741288-31-3 https://www.jk-sci.com/products/s57c4x-16201 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0143e47d8bdcfd02ff4c157f63be641d.jpg?v=1791715536 Dolutegravir Impurity1, 90.00% | 1357289-29-2 Dolutegravir Impurity1|C4X-16201|1357289-29-2 https://www.jk-sci.com/products/ts246cs-0043478 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75ece138f6da75428f1c7bbb00a2d4c8.jpg?v=1791683962 5-Fluoro-6-methylnicotinic acid, 98% | 932705-78-7 5-Fluoro-6-methylnicotinic acid|CS-0043478|932705-78-7 https://www.jk-sci.com/products/ts246cs-0043955 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2064266f255b34dfde5a61626c971c4.jpg?v=1791683534 Ethyl 4-amino-1H-pyrrole-2-carboxylate, 98.00%+ | 67318-12-1 Ethyl 4-amino-1H-pyrrole-2-carboxylate|CS-0043955|67318-12-1 https://www.jk-sci.com/products/ts246cs-0043793 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3482fa59f03cfb222a493cc462e7c685.jpg?v=1791683736 Methyl 6-fluoro-2-methylnicotinate, 98% | 1227595-02-9 Methyl 6-fluoro-2-methylnicotinate|CS-0043793|1227595-02-9 https://www.jk-sci.com/products/ts246cs-0044053 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c48e0d3abc8af10a253656631c0d7304.jpg?v=1791683402 Imidazo[1,2-a]pyridin-2-ol, 95% | 112566-20-8 Imidazo[1,2-a]pyridin-2-ol|CS-0044053|112566-20-8 https://www.jk-sci.com/products/s57c4x-16231 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258371_39280df9-9aeb-4132-b911-11eded5ffd0e.png?v=1791715519 Doxazosin EP Impurity A, 99.60% | 3663-80-7 Doxazosin EP Impurity A|C4X-16231|3663-80-7 https://www.jk-sci.com/products/ts246cs-0044057 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ead448c86c38134941d88c3d08c5565b.jpg?v=1791683396 5H-Pyrrolo[3,2-d]pyrimidin-4-amine, 97% | 2227-98-7 5H-Pyrrolo[3,2-d]pyrimidin-4-amine|CS-0044057|2227-98-7 https://www.jk-sci.com/products/ts246cs-0044071 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2827051d49dbea4d610b39c8652f2d82.jpg?v=1791683378 Methyl 5-oxazolecarboxylate, 98% | 121432-12-0 Methyl 5-oxazolecarboxylate|CS-0044071|121432-12-0 https://www.jk-sci.com/products/s57c4x-16272 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0271fe69f9773b69d749f911ac9cadbc.jpg?v=1791715482 Efavirenz Impurity 2, 95.90% | 154801-74-8 Efavirenz Impurity 2|C4X-16272|154801-74-8 https://www.jk-sci.com/products/s57c4x-16247 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0edc2fade27b9f7ea6ba3f6eba73da62.jpg?v=1791715503 Drospirenone EP Impurity H, 96.90% | 932388-89-1 Drospirenone EP Impurity H|C4X-16247|932388-89-1 https://www.jk-sci.com/products/ts246cs-0044082 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437662.png?v=1791683362 (R)-3-Methylpyrrolidine hydrochloride, 97% | 235093-98-8 (R)-3-Methylpyrrolidine hydrochloride|CS-0044082|235093-98-8 https://www.jk-sci.com/products/s57c4x-162917 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526137_c2821d7b-552b-4e75-8438-62e03524ea65.png?v=1791715448 Entacapone EP Impurity E, Purity: 99.9% | 7659-29-2 Entacapone EP Impurity E|C4X-162917|7659-29-2 https://www.jk-sci.com/products/s57c4x-16281 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114776_a78ad0a6-89c9-489d-afbd-69ba01291a57.png?v=1791715463 Enrofloxacin EP Impurity A(Ciprofloxacin EP Impurity A), 99.60% | 86393-33-1 Enrofloxacin EP Impurity A(Ciprofloxacin EP Impurity A)|C4X-16281|86393-33-1 https://www.jk-sci.com/products/ts246cs-0044093 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1515067.png?v=1791683348 5-Fluoropyrimidin-4-amine, 97% | 811450-26-7 5-Fluoropyrimidin-4-amine|CS-0044093|811450-26-7 https://www.jk-sci.com/products/ts246cs-0044234 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/720811e4485bbb90e07b59310ff63855.jpg?v=1791683266 6-Amino-5-fluoroindolin-2-one, 97% | 150544-01-7 6-Amino-5-fluoroindolin-2-one|CS-0044234|150544-01-7 https://www.jk-sci.com/products/ts246cs-0044146 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511915.png?v=1791683317 5-Bromo-4,6-dichloropyrimidine, 96% | 68797-61-5 5-Bromo-4,6-dichloropyrimidine|CS-0044146|68797-61-5 https://www.jk-sci.com/products/ts246cs-0044176 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596309_999ab8dc-23b0-4ada-86e5-e482592f8c94.png?v=1791683291 1-(2,3-Dimethylphenyl)ethanone, 98% | 2142-71-4 1-(2,3-Dimethylphenyl)ethanone|CS-0044176|2142-71-4 https://www.jk-sci.com/products/s57c4x-162941 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_69b9cbd8-9fa1-412a-be27-8959cb280df0.png?v=1791715434 Entacapone impurity 41, 91.10% Entacapone impurity 41|C4X-162941 https://www.jk-sci.com/products/ts246cs-0044248 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313985.png?v=1793049713 Methyl 4-chloro-3-oxobutanoate, 97.00%+ | 32807-28-6 Methyl 4-chloro-3-oxobutanoate|CS-0044248|32807-28-6 https://www.jk-sci.com/products/ts246cs-0044327 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e444ce00628be95c7524acda1cbb9f5b.jpg?v=1791683256 (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-(methylsulfonyl)phenyl)propanoic acid, 97% | 1289646-76-9 (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-(methylsulfonyl)phenyl)propanoic acid|CS-0044327|1289646-76-9 https://www.jk-sci.com/products/s57c4x-16303 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2864764a701a43bc269e592910b95382.jpg?v=1791715420 Eplerenone EP Impurity C, Purity: 99.7% | 95716-70-4 Eplerenone EP Impurity C|C4X-16303|95716-70-4 https://www.jk-sci.com/products/ts246cs-0044357 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117253.png?v=1791683247 1-(Bromomethyl)adamantane, 98% | 14651-42-4 1-(Bromomethyl)adamantane|CS-0044357|14651-42-4 https://www.jk-sci.com/products/ts246cs-0044422 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4897046167c1a14d16ca224c56423f38.jpg?v=1791683220 4-Amino-1-benzylpyrrolidin-2-one dihydrochloride, 98% | 2044703-04-8 4-Amino-1-benzylpyrrolidin-2-one dihydrochloride|CS-0044422|2044703-04-8 https://www.jk-sci.com/products/s57c4x-163318 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d785d6da-1382-4d6d-b1d8-87e13a87429c.png?v=1791715403 Ertapenem Impurity 18, 94.50% Ertapenem Impurity 18|C4X-163318 https://www.jk-sci.com/products/ts246cs-0044444 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba3166c4b513826e171ee1150da02ea8.jpg?v=1791683205 Benzo[d][1,3]dioxol-4-ylmethanamine, 95% | 182634-34-0 Benzo[d][1,3]dioxol-4-ylmethanamine|CS-0044444|182634-34-0 https://www.jk-sci.com/products/s57c4x-163349 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3f5fed93b90413897d195081949a23d.jpg?v=1791715389 Ertapenem impurity 49, 94.70% | 357154-27-9 Ertapenem impurity 49|C4X-163349|357154-27-9 https://www.jk-sci.com/products/ts246cs-0044458 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795680.png?v=1791683194 Methyl 5-hydroxynicotinate hydrochloride, 98% | 89937-78-0 Methyl 5-hydroxynicotinate hydrochloride|CS-0044458|89937-78-0 https://www.jk-sci.com/products/ts246cs-0044471 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31921094ee8732221143a9fb99b9b1fe_4fd47b24-2a75-451e-b04f-b40b938f6842.jpg?v=1791683180 Boc-D-His(Trt)-OH, 97% | 393568-74-6 Boc-D-His(Trt)-OH|CS-0044471|393568-74-6 https://www.jk-sci.com/products/s57c4x-16362 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8a41ffafb4cea0ac6bf3a1b2baedce.jpg?v=1791715371 Estradiol Hemihydrate EP Impurity C, 93.20% | 6171-48-8 Estradiol Hemihydrate EP Impurity C|C4X-16362|6171-48-8 https://www.jk-sci.com/products/ts246cs-0044483 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7917de4d353c1068f130c5efd2029ad5.jpg?v=1791683165 3,6-Dichloropyridin-2-amine, 95% | 313535-01-2 3,6-Dichloropyridin-2-amine|CS-0044483|313535-01-2 https://www.jk-sci.com/products/s57c4x-165028 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_40f62077-b688-4a0f-87f2-94fab3b06ddd.png?v=1791715293 Fluticasone Impurity 28, 97.60% Fluticasone Impurity 28|C4X-165028 https://www.jk-sci.com/products/ts246cs-0044817 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc9f59bc2fe80874dc42bf37b1724ee_7c427326-51a5-4ae2-b3d8-63ddffdfd14d.jpg?v=1791683019 7-Ethoxy-2-naphthalenol, 97.00%+ | 57944-44-2 7-Ethoxy-2-naphthalenol|CS-0044817|57944-44-2 https://www.jk-sci.com/products/s57c4x-1645 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/535202_28f9fcd4-0156-439c-9999-c4c474c8dc50.png?v=1791715340 Finasteride, 98.60% | 98319-26-7 Finasteride|C4X-1645|98319-26-7 https://www.jk-sci.com/products/ts246cs-0044726 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526621a3991dcd1670f8bc58932a8386.jpg?v=1791683049 (S)-3-Amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one, 97% | 889460-62-2 (S)-3-Amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one|CS-0044726|889460-62-2 https://www.jk-sci.com/products/s57c4x-16491 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250263_d729d74c-3bb4-4732-b51c-6e0393d63ca8.png?v=1791715326 Fluorouracil EP Impurity E, 95.70% | 1820-81-1 Fluorouracil EP Impurity E|C4X-16491|1820-81-1 https://www.jk-sci.com/products/s57c4x-16411 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eecdbe3aa70ef7a9314f7a43a1d8d66.jpg?v=1791715361 Prednisone EP Impurity D, 93.90% | 10184-69-7 Prednisone EP Impurity D|C4X-16411|10184-69-7 https://www.jk-sci.com/products/ts246cs-0044666 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aa599270-0f0f-4cf3-abf3-4d0cd16d4146.png?v=1791683083 [6,6]-Phenyl-C61-butyric acid methyl ester, 95.00%+ | 160848-22-6 [6,6]-Phenyl-C61-butyric acid methyl ester|CS-0044666|160848-22-6 https://www.jk-sci.com/products/ts246cs-0044768 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d961756f7ec904f60675380e4d044b19.jpg?v=1791683039 6-Bromo-2-fluoropyridin-3-amine, 97% | 850220-97-2 6-Bromo-2-fluoropyridin-3-amine|CS-0044768|850220-97-2 https://www.jk-sci.com/products/ts246cs-0044519 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4392cb55ba94af97ffc307a1216d695e.jpg?v=1791683125 1-(3-Bromo-5-(trifluoromethyl)phenyl)ethanone, 95% | 154259-25-3 1-(3-Bromo-5-(trifluoromethyl)phenyl)ethanone|CS-0044519|154259-25-3 https://www.jk-sci.com/products/s57c4x-165011 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1e25fb7486eb3ddbf1d5c4005bedeac.jpg?v=1791715309 Fluticasone Propionate EP Impurity F, 100.00% | 1219174-94-3 Fluticasone Propionate EP Impurity F|C4X-165011|1219174-94-3 https://www.jk-sci.com/products/ts246cs-0044488 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d64ee9590a5902931cf4cd706fd6c035.jpg?v=1791683160 5-(3-Fluorophenyl)-1H-pyrazol-3-amine, 97% | 766519-89-5 5-(3-Fluorophenyl)-1H-pyrazol-3-amine|CS-0044488|766519-89-5 https://www.jk-sci.com/products/ts246cs-0044653 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1eec3f29338de108c6df8bebca3e0dd.jpg?v=1791683093 m-PEG7-thiol, 95% | 651042-82-9 m-PEG7-thiol|CS-0044653|651042-82-9 https://www.jk-sci.com/products/ts246cs-0044690 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70d15944cdbad1efdcd1e1ad4f449a0c.jpg?v=1791683078 2-(4-Methylpiperazin-1-yl)pyrimidin-5-amine, 95.00%+ | 943757-74-2 2-(4-Methylpiperazin-1-yl)pyrimidin-5-amine|CS-0044690|943757-74-2 https://www.jk-sci.com/products/s57c4x-165036 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18b9f3fe9ff598dbfb63247219f11ce1.jpg?v=1791715284 Fluticasone Impurity 36, 96.30% | 192191-51-8 Fluticasone Impurity 36|C4X-165036|192191-51-8 https://www.jk-sci.com/products/s57c4x-16514 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30ee0bb52d794d1a4660bfc8406311d6.jpg?v=1791715262 Fluvastatin EP Impurity D, 98.20% | 1160169-39-0 Fluvastatin EP Impurity D|C4X-16514|1160169-39-0 https://www.jk-sci.com/products/ts246cs-0044850 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329130.png?v=1791683009 3-Phenoxyphenol, 97% | 713-68-8 3-Phenoxyphenol|CS-0044850|713-68-8 https://www.jk-sci.com/products/s57c4x-165065 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a6ef15b31de1ec308460d56c2fa7e19.jpg?v=1791715278 Fluticasone Impurity 65, Purity: 96.6% | 74131-81-0 Fluticasone Impurity 65|C4X-165065|74131-81-0 https://www.jk-sci.com/products/s57c4x-16511 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83b86626f3e35912709bd42b8db81b10.jpg?v=1791715268 Fluvastatin EP Impurity A Sodium Salt（and enantiomer）, 94.60% | 93957-58-5 Fluvastatin EP Impurity A Sodium Salt（and enantiomer）|C4X-16511|93957-58-5 https://www.jk-sci.com/products/ts246cs-0044863 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1b7fa957fa014b5d706aa72f1b9b7f4.jpg?v=1791682999 4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine, 98% | 1032943-41-1 4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine|CS-0044863|1032943-41-1 https://www.jk-sci.com/products/ts246cs-0044885 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/778f89be518849e777362a1bcb48e7f8.jpg?v=1791682973 1-(1H-Indazol-7-yl)ethan-1-one, 98% | 1159511-22-4 1-(1H-Indazol-7-yl)ethan-1-one|CS-0044885|1159511-22-4 https://www.jk-sci.com/products/ts246cs-0044875 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817119.png?v=1791682984 8-Fluoroisoquinoline, 97% | 1075-00-9 8-Fluoroisoquinoline|CS-0044875|1075-00-9 https://www.jk-sci.com/products/ts246cs-0044891 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ca2cac8693ee62bea806ef354e0dfcc.jpg?v=1791682964 1-(3,4-Difluorophenyl)cyclopropan-1-amine hydrochloride, 97.81%+ | 1186663-16-0 1-(3,4-Difluorophenyl)cyclopropan-1-amine hydrochloride|CS-0044891|1186663-16-0 https://www.jk-sci.com/products/s57c4x-16541 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511395_bc0f7617-3767-487f-97ed-0d3a11164524.png?v=1791715252 Gabapentin EP Impurity A, 96.40% | 64744-50-9 Gabapentin EP Impurity A|C4X-16541|64744-50-9 https://www.jk-sci.com/products/ts246cs-0044901 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b9ff6d0c151bbc433649f7c1185c3b4.jpg?v=1791682953 1-(5,6-Dichloropyridin-3-yl)ethanone, 98% | 120800-05-7 1-(5,6-Dichloropyridin-3-yl)ethanone|CS-0044901|120800-05-7 https://www.jk-sci.com/products/ts246cs-0044940 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0b539951e75aa133ac65535575d5655.jpg?v=1791682916 1,5-Naphthyridin-3-amine, 98% | 14756-77-5 1,5-Naphthyridin-3-amine|CS-0044940|14756-77-5 https://www.jk-sci.com/products/ts246cs-0044908 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c19117ebd2a53a0c4aaa497ec064bb51.jpg?v=1791682947 (5-Fluoro-2-(hydroxymethyl)phenyl)boronic acid, 98% | 1246633-53-3 (5-Fluoro-2-(hydroxymethyl)phenyl)boronic acid|CS-0044908|1246633-53-3 https://www.jk-sci.com/products/ts246cs-0044912 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f67a9826fd438d9fa4df83cf757b0e83.jpg?v=1791682942 (5-(Hydroxymethyl)furan-2-yl)boronic acid, 95% | 1256355-56-2 (5-(Hydroxymethyl)furan-2-yl)boronic acid|CS-0044912|1256355-56-2 https://www.jk-sci.com/products/ts246cs-0044917 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc78130ddd8f9d921af22ed7ec5d7051.jpg?v=1791682932 Methyl 3-amino-4-(trifluoromethyl)benzoate, 96% | 126541-82-0 Methyl 3-amino-4-(trifluoromethyl)benzoate|CS-0044917|126541-82-0 https://www.jk-sci.com/products/ts246cs-0044952 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f836cc20d9cdce7f1b81363a528097e.jpg?v=1791682911 (4-(Pyridin-2-yl)phenyl)boronic acid, 98% | 170230-27-0 (4-(Pyridin-2-yl)phenyl)boronic acid|CS-0044952|170230-27-0 https://www.jk-sci.com/products/ts246cs-0044959 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd191c75c9a59ae0f234fd7d3adb02ab.jpg?v=1791682900 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine, 95% | 181374-43-6 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine|CS-0044959|181374-43-6 https://www.jk-sci.com/products/ts246cs-0045036 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d20d0622507e5256b1f0c958a2ad26e9.jpg?v=1791682813 Ethyl 5-amino-2-methylnicotinate, 95% | 60390-42-3 Ethyl 5-amino-2-methylnicotinate|CS-0045036|60390-42-3 https://www.jk-sci.com/products/ts246cs-0044963 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596019.png?v=1791682895 Methyl 3-bromo-5-iodobenzoate, 97% | 188813-07-2 Methyl 3-bromo-5-iodobenzoate|CS-0044963|188813-07-2 https://www.jk-sci.com/products/s57c4x-16545 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f27453e38dcb167c43eb3b618f0b3d5.jpg?v=1791715243 Gabapentin EP Impurity E, 96.50% | 67950-95-2 Gabapentin EP Impurity E|C4X-16545|67950-95-2 https://www.jk-sci.com/products/ts246cs-0045028 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380444.png?v=1791682822 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one, 98% | 5334-56-5 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one|CS-0045028|5334-56-5 https://www.jk-sci.com/products/ts246cs-0044973 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26930e0aafa153a5c2480e9bc658e5db.jpg?v=1791682889 tert-Butyl 6-nitro-1H-indazole-1-carboxylate, 97% | 219503-74-9 tert-Butyl 6-nitro-1H-indazole-1-carboxylate|CS-0044973|219503-74-9 https://www.jk-sci.com/products/s57c4x-16562 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/197c440137abb644748aba180ccfd46d.jpg?v=1791715237 Glibenclamide EP Impurity B, 96.60% | 21165-77-5 Glibenclamide EP Impurity B|C4X-16562|21165-77-5 https://www.jk-sci.com/products/ts246cs-0045007 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d4db5ee2e8f028a45924561e81019fd.jpg?v=1791682848 Isoquinoline-8-carbonitrile, 97% | 362606-11-9 Isoquinoline-8-carbonitrile|CS-0045007|362606-11-9 https://www.jk-sci.com/products/s57c4x-1662 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a611ca61fd985726a014c50481c1c25.jpg?v=1791715226 Imipenem, Monohydrate, 98.80% | 74431-23-5 Imipenem, Monohydrate|C4X-1662|74431-23-5 https://www.jk-sci.com/products/ts246cs-0045064 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/509114.png?v=1791682767 tert-Butyl 5-bromo-3-iodo-1H-indole-1-carboxylate, 95% | 850349-72-3 tert-Butyl 5-bromo-3-iodo-1H-indole-1-carboxylate|CS-0045064|850349-72-3 https://www.jk-sci.com/products/ts246cs-0045049 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241536.png?v=1791682797 6-Methyl-1H-indazole, 99.84%+ | 698-24-8 6-Methyl-1H-indazole|CS-0045049|698-24-8 https://www.jk-sci.com/products/s57c4x-166314 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2886d544dbdef7d8456a95c8b1f4fe8c.jpg?v=1791715217 Iodixanol Impurity 14, 90.20% | 103254-70-2 Iodixanol Impurity 14|C4X-166314|103254-70-2 https://www.jk-sci.com/products/s57c4x-16647 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364948_735dac01-82e7-4bc5-9b28-7c3ef14bb2c5.png?v=1791715211 Iohexol EP Impurity J, 97.90% | 76801-93-9 Iohexol EP Impurity J|C4X-16647|76801-93-9 https://www.jk-sci.com/products/ts246cs-0045068 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e90bd6e7e827b742370609cc44698cb.jpg?v=1791682764 Methyl 6-bromo-1H-indole-3-carboxylate, 96% | 868656-97-7 Methyl 6-bromo-1H-indole-3-carboxylate|CS-0045068|868656-97-7 https://www.jk-sci.com/products/ts246cs-0045088 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/541850.png?v=1793049690 (tert-Butoxycarbonyl)methionine, 95% | 93000-03-4 (tert-Butoxycarbonyl)methionine|CS-0045088|93000-03-4 https://www.jk-sci.com/products/ts246cs-0045101 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1f764612a6433b7898b3baa08d249fd.jpg?v=1791682726 2-Chloro-7-fluoroquinazoline, 98.50%+ | 956101-10-3 2-Chloro-7-fluoroquinazoline|CS-0045101|956101-10-3 https://www.jk-sci.com/products/ts246cs-0045325 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501750.png?v=1791682687 6-Methylthiochroman-4-one, 98% | 6948-34-1 6-Methylthiochroman-4-one|CS-0045325|6948-34-1 https://www.jk-sci.com/products/ts246cs-0045117 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2170842f139d7d033c9ee7247670fc8.jpg?v=1791682714 4-Bromo-1H-indazole-6-carbonitrile, 96% | 898746-96-8 4-Bromo-1H-indazole-6-carbonitrile|CS-0045117|898746-96-8 https://www.jk-sci.com/products/ts246cs-0045218 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796032.png?v=1791682703 2-Methyl-6-(trifluoromethyl)quinoline, 97% | 66023-21-0 2-Methyl-6-(trifluoromethyl)quinoline|CS-0045218|66023-21-0 https://www.jk-sci.com/products/ts246cs-0045384 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420065.png?v=1791682656 2,2'-(1,3-Dioxolane-2,2-diyl)diethanol, 95% | 5694-95-1 2,2'-(1,3-Dioxolane-2,2-diyl)diethanol|CS-0045384|5694-95-1 https://www.jk-sci.com/products/ts246cs-0045517 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c45e8e60ed9eb6199e2d9803992ce1d.jpg?v=1791682629 Thietan-3-amine hydrochloride, 97% | 128861-78-9 Thietan-3-amine hydrochloride|CS-0045517|128861-78-9 https://www.jk-sci.com/products/s57c4x-166530 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b394e05ddea423aaba9de9f1ca81728_8fc04728-1485-4dd9-80f1-b81b999fe720.jpg?v=1791715205 Ipratropium Impurity 30, 97.90% | 259092-15-4 Ipratropium Impurity 30|C4X-166530|259092-15-4 https://www.jk-sci.com/products/s57c4x-166536 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aebf097d-0230-4897-99ac-b18fcf7aa91d.png?v=1791715194 Ipratropium Bromide Impurity 36, Purity: 99.9% Ipratropium Bromide Impurity 36|C4X-166536 https://www.jk-sci.com/products/s57c4x-16658 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0da75c4b7d57ba1a555bde705d39b72.jpg?v=1791715190 Ipratropium Bromide EP Impurity B, 96.90% | 58073-59-9 Ipratropium Bromide EP Impurity B|C4X-16658|58073-59-9 https://www.jk-sci.com/products/ts246cs-0045532 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265001.png?v=1791682614 tert-Butyl 3-(2-cyanoacetyl)azetidine-1-carboxylate, 97% | 887594-13-0 tert-Butyl 3-(2-cyanoacetyl)azetidine-1-carboxylate|CS-0045532|887594-13-0 https://www.jk-sci.com/products/ts246cs-0045569 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e063d7bdc8e5a9eb0ca32a6c54b3b287.jpg?v=1791682582 Dimethyl 2-hydroxy-2,3-dihydrobenzofuran-4,6-dicarboxylate, 95% | 1268024-07-2 Dimethyl 2-hydroxy-2,3-dihydrobenzofuran-4,6-dicarboxylate|CS-0045569|1268024-07-2 https://www.jk-sci.com/products/s57c4x-166625 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3344a57a64a74d25e1bf8594697b52c6.jpg?v=1791715183 Irbesartan Impurity 25, 98.70% | 151257-01-1 Irbesartan Impurity 25|C4X-166625|151257-01-1 https://www.jk-sci.com/products/ts246cs-0044056 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d39d049562a0d3564578429d2a84b8ce.jpg?v=1791683397 1H-Pyrazolo[4,3-b]pyridin-3-amine, 96% | 202336-32-1 1H-Pyrazolo[4,3-b]pyridin-3-amine|CS-0044056|202336-32-1 https://www.jk-sci.com/products/ts246cs-0044073 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c98e819b84a379a8b48d0d44a3ba7a2a.jpg?v=1791683373 (6-Fluoropyridin-3-yl)methanamine, 95% | 205744-17-8 (6-Fluoropyridin-3-yl)methanamine|CS-0044073|205744-17-8 https://www.jk-sci.com/products/ts246cs-0044213 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e3f221648875eece59a296b8c07cca7_d8fed167-0078-4f07-92e1-e645f083a339.jpg?v=1791683277 6-Methoxyquinolin-4(1H)-one, 97% | 13788-72-2 6-Methoxyquinolin-4(1H)-one|CS-0044213|13788-72-2 https://www.jk-sci.com/products/ts246cs-0044128 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122604.png?v=1791683317 1H-Pyrrolo[2,3-b]pyridine-6-carboxylic acid, 96% | 898746-35-5 1H-Pyrrolo[2,3-b]pyridine-6-carboxylic acid|CS-0044128|898746-35-5 https://www.jk-sci.com/products/ts246cs-0044360 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150394.png?v=1791683246 1,2-Dimethyl-1H-imidazole-5-carbaldehyde, 99.85%+ | 24134-12-1 1,2-Dimethyl-1H-imidazole-5-carbaldehyde|CS-0044360|24134-12-1 https://www.jk-sci.com/products/ts246cs-0044325 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8121296c1727869253d9d6933c8b829.jpg?v=1791683257 5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde, 95% | 660845-30-7 5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde|CS-0044325|660845-30-7 https://www.jk-sci.com/products/s57c4x-16667 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306406_84990c58-9bb1-4733-b91b-197bfb8640a3.png?v=1791715176 Irbesartan Impurity 7, 98.60% | 138401-24-8 Irbesartan Impurity 7|C4X-16667|138401-24-8 https://www.jk-sci.com/products/ts246cs-0044474 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53c6f013a2af9ab64a56265d2737cd0d.jpg?v=1791683175 4-(4-Chlorophenoxy)-3,5-difluoroaniline, 98% | 549547-33-3 4-(4-Chlorophenoxy)-3,5-difluoroaniline|CS-0044474|549547-33-3 https://www.jk-sci.com/products/ts246cs-0044446 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f5bf7baaa46ae0bcf0d5294bb6bb11f.jpg?v=1791683205 3-Bromo-1H-indole-6-carboxylic acid, 95.00%+ | 219508-19-7 3-Bromo-1H-indole-6-carboxylic acid|CS-0044446|219508-19-7 https://www.jk-sci.com/products/ts246cs-0044659 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414564_fbe3f49a-fc67-45fb-85e9-c3e82d29f5b6.png?v=1791683088 2-Methyl-1H-benzo[d]imidazole-5-carboxylic acid, 95.00%+ | 709-19-3 2-Methyl-1H-benzo[d]imidazole-5-carboxylic acid|CS-0044659|709-19-3 https://www.jk-sci.com/products/ts246cs-0044860 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/665d0f5e45a82a47d60a3dcd2e5f5d0c.jpg?v=1791683004 1-Isobutyl-1H-pyrazole-4-carbaldehyde, 98% | 1006333-32-9 1-Isobutyl-1H-pyrazole-4-carbaldehyde|CS-0044860|1006333-32-9 https://www.jk-sci.com/products/ts246cs-0044709 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603500.png?v=1791683073 5-Bromo-2-(methylsulphonyl)pyrimidine, 96.00%+ | 38275-48-8 5-Bromo-2-(methylsulphonyl)pyrimidine|CS-0044709|38275-48-8 https://www.jk-sci.com/products/ts246cs-0044805 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135149_52bc268d-37d8-466f-b023-db92e06ba5cb.png?v=1791683024 2,2,2-Trifluoroethyl 4-methylbenzene-1-sulfonate, 97% | 433-06-7 2,2,2-Trifluoroethyl 4-methylbenzene-1-sulfonate|CS-0044805|433-06-7 https://www.jk-sci.com/products/ts246cs-0044880 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4deaa3410b84fd3deb4b651d6e74d746.jpg?v=1791682980 6-Chloro-5-(trifluoromethyl)nicotinaldehyde, 95.00%+ | 1113049-90-3 6-Chloro-5-(trifluoromethyl)nicotinaldehyde|CS-0044880|1113049-90-3 https://www.jk-sci.com/products/s57c4x-166731 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128592_6f6d66e9-3f3d-445c-b7d4-895e7f965404.png?v=1791715171 Irinotecan Hydrochloride Trihydrate, Purity: 100.0% | 136572-09-3 Irinotecan Hydrochloride Trihydrate|C4X-166731|136572-09-3 https://www.jk-sci.com/products/s57c4x-166748 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db7340b9e691d872ea6c056b08dbd9ae.jpg?v=1791715166 Belotecan HCl, 98.30% | 213819-48-8 Belotecan HCl|C4X-166748|213819-48-8 https://www.jk-sci.com/products/ts246cs-0044900 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0ccde0aaba108102f80590060c0a0d2.jpg?v=1791682958 4-Bromo-6-methylisoquinoline, 98% | 1204298-52-1 4-Bromo-6-methylisoquinoline|CS-0044900|1204298-52-1 https://www.jk-sci.com/products/ts246cs-0044911 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da0b328b6ebc09a061b9dd9e2ac91242.jpg?v=1791682942 (4-Chloro-3-isopropoxyphenyl)boronic acid, 95% | 1256346-35-6 (4-Chloro-3-isopropoxyphenyl)boronic acid|CS-0044911|1256346-35-6 https://www.jk-sci.com/products/ts246cs-0044925 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb246ec6cfc1151244942d21fbf53770.jpg?v=1791682925 (6-Methyl-1H-indazol-5-yl)boronic acid, 98% | 1310405-35-6 (6-Methyl-1H-indazol-5-yl)boronic acid|CS-0044925|1310405-35-6 https://www.jk-sci.com/products/ts246cs-0044970 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66db5681dc7a8bd86eaab149c4dfa2c1.jpg?v=1791682894 4-(1H-Imidazol-2-yl)pyridine, 98% | 21202-42-6 4-(1H-Imidazol-2-yl)pyridine|CS-0044970|21202-42-6 https://www.jk-sci.com/products/ts246cs-0044953 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368554.png?v=1791682910 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione, 97% | 174463-53-7 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0044953|174463-53-7 https://www.jk-sci.com/products/ts246cs-0045021 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890280.png?v=1791682827 Potassium trifluoro(phenylethynyl)borate, 97% | 485338-93-0 Potassium trifluoro(phenylethynyl)borate|CS-0045021|485338-93-0 https://www.jk-sci.com/products/s57c4x-16677 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e6d5c3f964d0abf3456073e30789f03.jpg?v=1791715161 Irinotecan EP Impurity G, 98.00% | 947687-01-6 Irinotecan EP Impurity G|C4X-16677|947687-01-6 https://www.jk-sci.com/products/ts246cs-0045038 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac4099bb391fdbe50abf3ce7efd948af.jpg?v=1791682813 7-Bromoindoline, 95% | 62813-85-8 7-Bromoindoline|CS-0045038|62813-85-8 https://www.jk-sci.com/products/ts246cs-0045066 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55ca8340088b7dd954597725d845c958.jpg?v=1791682769 Methyl 2-amino-6-fluorobenzoate, 95% | 86505-94-4 Methyl 2-amino-6-fluorobenzoate|CS-0045066|86505-94-4 https://www.jk-sci.com/products/s57c4x-166912 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28d57546d0b9dcd975b6c7b20a8d6100.jpg?v=1791715156 Ketorolac EP Impurity B, 99.20% | 113502-52-6 Ketorolac EP Impurity B|C4X-166912|113502-52-6 https://www.jk-sci.com/products/ts246cs-0045100 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b439f0c6039058ae6f10fb9b65d5f010.jpg?v=1791682732 2-Chloroquinazolin-8-ol, 96.57%+ | 953039-10-6 2-Chloroquinazolin-8-ol|CS-0045100|953039-10-6 https://www.jk-sci.com/products/s57c4x-166914 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1caed6129f9dd0aba4f26c8bec2ecfca.jpg?v=1791715151 Ketorolac EP Impurity F, 98.70% | 1391052-68-8 Ketorolac EP Impurity F|C4X-166914|1391052-68-8 https://www.jk-sci.com/products/ts246cs-0045206 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/173a2459c88fba11f315725be51dccc6.jpg?v=1791682707 1-(6-Aminonaphthalen-2-yl)ethan-1-one, 98% | 7470-88-4 1-(6-Aminonaphthalen-2-yl)ethan-1-one|CS-0045206|7470-88-4 https://www.jk-sci.com/products/ts246cs-0045367 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791862.png?v=1791682672 (2-Methylthiazol-4-yl)methanol, 95% | 76632-23-0 (2-Methylthiazol-4-yl)methanol|CS-0045367|76632-23-0 https://www.jk-sci.com/products/s57c4x-166938 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794739_2c3d4240-2eb5-4895-b285-c37314f55f4b.png?v=1791715138 Ketorolac Impurity 38, 98.80% | 1468-28-6 Ketorolac Impurity 38|C4X-166938|1468-28-6 https://www.jk-sci.com/products/s57c4x-166921 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fa50cba6-825f-4957-915c-227836ad12fa.png?v=1791715143 Ketorolac Impurity 21, 98.90% Ketorolac Impurity 21|C4X-166921 https://www.jk-sci.com/products/ts246cs-0045524 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d907ecbd83fc3c2b103012b5d5720c3.jpg?v=1791682619 1-Boc-3-((Methylamino)methyl)azetidine, 98% | 1049730-81-5 1-Boc-3-((Methylamino)methyl)azetidine|CS-0045524|1049730-81-5 https://www.jk-sci.com/products/ts246cs-0044147 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4dcdcc4b6db8ca2d5af9510ef08e57d.jpg?v=1791683311 4-Bromo-1H-pyrrole-2-carboxamide, 96.00%+ | 196106-96-4 4-Bromo-1H-pyrrole-2-carboxamide|CS-0044147|196106-96-4 https://www.jk-sci.com/products/ts246cs-0044063 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63e68b387b105934bcfa451eaa2f08ed.jpg?v=1791683393 Bicyclo[4.2.0]octa-1,3,5-triene-3-carbaldehyde, 95% | 112892-88-3 Bicyclo[4.2.0]octa-1,3,5-triene-3-carbaldehyde|CS-0044063|112892-88-3 https://www.jk-sci.com/products/ts246cs-0044352 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51f1259a3ac86d6f564e2f6f3aa94902.jpg?v=1791683251 Methyl 3-acetylbenzoate, 95% | 21860-07-1 Methyl 3-acetylbenzoate|CS-0044352|21860-07-1 https://www.jk-sci.com/products/ts246cs-0044462 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338d191b0803b1103fff47ed13a1c2fb.jpg?v=1791683189 Ethyl benzo[d]oxazole-5-carboxylate, 97.00%+ | 1404370-64-4 Ethyl benzo[d]oxazole-5-carboxylate|CS-0044462|1404370-64-4 https://www.jk-sci.com/products/ts246cs-0044565 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1ca95575546e00fa6a2e90c422e74f.jpg?v=1791683105 rel-(1R,2R)-2-(2-(Trifluoromethyl)phenyl)cyclopropane-1-carboxylic acid, 97% | 157518-49-5 rel-(1R,2R)-2-(2-(Trifluoromethyl)phenyl)cyclopropane-1-carboxylic acid|CS-0044565|157518-49-5 https://www.jk-sci.com/products/s57c4x-16721 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b022f91ad126d5ba30ab7b78aef4492f.jpg?v=1791715122 Lamotrigine EP Impurity A, 95.50% | 252186-78-0 Lamotrigine EP Impurity A|C4X-16721|252186-78-0 https://www.jk-sci.com/products/ts246cs-0044914 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db20f5b26db503effd6a20e0d52aefe5.jpg?v=1791682937 4-Chloro-1H-pyrazolo[3,4-c]pyridine, 98% | 1260671-36-0 4-Chloro-1H-pyrazolo[3,4-c]pyridine|CS-0044914|1260671-36-0 https://www.jk-sci.com/products/ts246cs-0044889 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4a81f962beb26f9e293fd01574347da.jpg?v=1791682968 3-Bromo-1H-pyrazolo[3,4-b]pyridin-5-amine, 98.00%+ | 1186608-71-8 3-Bromo-1H-pyrazolo[3,4-b]pyridin-5-amine|CS-0044889|1186608-71-8 https://www.jk-sci.com/products/ts246cs-0044823 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5f3e047de10656fa7785214b3036bab.jpg?v=1791683014 tert-Butyl (2S,4S)-4-amino-2-(hydroxymethyl)pyrrolidine-1-carboxylate hydrochloride, 97% | 1279037-14-7 tert-Butyl (2S,4S)-4-amino-2-(hydroxymethyl)pyrrolidine-1-carboxylate hydrochloride|CS-0044823|1279037-14-7 https://www.jk-sci.com/products/ts246cs-0039069 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64edb4cdab6a916c4ad0d3a823d7a24e.jpg?v=1791687230 tert-Butyl 4-cyano-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate, 97% | 946497-94-5 tert-Butyl 4-cyano-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate|CS-0039069|946497-94-5 https://www.jk-sci.com/products/ts246cs-0044961 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2c48c5ee4cd4c567232f6f70df72d33.jpg?v=1791682899 (4-Hydroxy-3-methoxyphenyl)boronic acid, 96% | 182344-21-4 (4-Hydroxy-3-methoxyphenyl)boronic acid|CS-0044961|182344-21-4 https://www.jk-sci.com/products/s57c4x-16723 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1ed53c859106fa507b4df83ef7efb35.jpg?v=1791715113 Lamotrigine EP Impurity G, 95.90% | 38943-76-9 Lamotrigine EP Impurity G|C4X-16723|38943-76-9 https://www.jk-sci.com/products/s57c4x-16697 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e416a413a30bb054afd7554147919392.jpg?v=1791715134 Ketorolac EP Impurity G, 97.90% | 1391051-90-3 Ketorolac EP Impurity G|C4X-16697|1391051-90-3 https://www.jk-sci.com/products/s57c4x-167312 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485415_0ba0f08d-7f95-4972-9123-3134bf4fb303.png?v=1791715104 Leflunomide EP Impurity A, 98.50% | 455-14-1 Leflunomide EP Impurity A|C4X-167312|455-14-1 https://www.jk-sci.com/products/ts246cs-0041013 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101274_d519c30c-a61e-4d59-8106-41a706d58bf5.png?v=1791686343 3-Chloro-4-iodophenyl trifluoromethyl ether, 96.13%+ | 345226-19-9 3-Chloro-4-iodophenyl trifluoromethyl ether|CS-0041013|345226-19-9 https://www.jk-sci.com/products/s57c4x-16734 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415960_12649165-5813-4f32-a9f8-9aeed839bcf6.png?v=1791715094 Leflunomide EP Impurity D, 99.10% | 42831-50-5 Leflunomide EP Impurity D|C4X-16734|42831-50-5 https://www.jk-sci.com/products/ts246cs-0044235 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b1cd1e6562e2151ef185eb261036386.jpg?v=1791683267 5-Bromo-4-nitrothiophene-2-carboxylic acid, 95% | 89283-24-9 5-Bromo-4-nitrothiophene-2-carboxylic acid|CS-0044235|89283-24-9 https://www.jk-sci.com/products/s57c4x-16761 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4abed649cbe6e7213f17d166c8669e06.jpg?v=1791715090 Levodopa EP Impurity A, 96.30% | 27244-64-0 Levodopa EP Impurity A|C4X-16761|27244-64-0 https://www.jk-sci.com/products/ts246cs-0044485 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/821de248dea0926cf315acda26e4c15e.jpg?v=1791683161 Methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate, 98% | 910122-42-8 Methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate|CS-0044485|910122-42-8 https://www.jk-sci.com/products/ts246cs-0044749 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46a312c3d2ceee564c0183634c69df1d.jpg?v=1791683043 1H-1,2,3-Triazol-1-amine, 98% | 584-14-5 1H-1,2,3-Triazol-1-amine|CS-0044749|584-14-5 https://www.jk-sci.com/products/s57c4x-16763 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/583267_304644cf-3418-4535-b1d2-207811c8f63b.png?v=1791715079 Levodopa EP Impurity D, 99.90% | 5796-17-8 Levodopa EP Impurity D|C4X-16763|5796-17-8 https://www.jk-sci.com/products/ts246cs-0044903 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/739a0994d7577b79bf5c0b97d7c32323.jpg?v=1791682953 2-(4-Fluorophenyl)propan-2-amine hydrochloride, 95% | 1216563-60-8 2-(4-Fluorophenyl)propan-2-amine hydrochloride|CS-0044903|1216563-60-8 https://www.jk-sci.com/products/ts246cs-0045004 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/561321.png?v=1791682853 Methyl 4-iodo-3-methoxybenzoate, 98% | 35387-92-9 Methyl 4-iodo-3-methoxybenzoate|CS-0045004|35387-92-9 https://www.jk-sci.com/products/ts246cs-0045060 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141104_d4b24a27-05e2-4130-9da6-facf820b62bb.png?v=1791682777 Ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate, 96% | 82231-58-1 Ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate|CS-0045060|82231-58-1 https://www.jk-sci.com/products/ts246cs-0045107 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5ac5ae575c1cb7eb6497df0207b5af3.jpg?v=1791682721 5-Chloro-1-methyl-1H-pyrazolo[3,4-c]pyridine, 98% | 1521237-92-2 5-Chloro-1-methyl-1H-pyrazolo[3,4-c]pyridine|CS-0045107|1521237-92-2 https://www.jk-sci.com/products/ts246cs-0045447 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72cc386c0e3d1edecb2c2fab0aaf4226.jpg?v=1791682640 Thietan-3-ol, 97.00%+ | 10304-16-2 Thietan-3-ol|CS-0045447|10304-16-2 https://www.jk-sci.com/products/ts246cs-0045585 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae5977608ae53a86492f8d292661fe35.jpg?v=1791682573 Methyl 5-chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylate, 97% | 70662-93-0 Methyl 5-chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylate|CS-0045585|70662-93-0 https://www.jk-sci.com/products/ts246cs-0044427 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f561bf56ad8a9a3ae40d91f37de25bff.jpg?v=1791683220 (S)-4-Ethyl-4-hydroxy-11-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione, 95% | 78287-26-0 (S)-4-Ethyl-4-hydroxy-11-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione|CS-0044427|78287-26-0 https://www.jk-sci.com/products/s57c4x-16769 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206939_51fdfdeb-9c83-4e4e-b2c1-c59fda94b260.png?v=1791715074 Levodopa Impurity 9, 85.70% | 300-48-1 Levodopa Impurity 9|C4X-16769|300-48-1 https://www.jk-sci.com/products/s57c4x-167718 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/308099_3c2eacb8-e748-4024-8f15-622c8bbcbd41.png?v=1791715056 Levonorgestrel EP Impurity R, 97.00% | 2322-77-2 Levonorgestrel EP Impurity R|C4X-167718|2322-77-2 https://www.jk-sci.com/products/ts246cs-0044864 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dab170429e555280fe43d33f45099de.jpg?v=1791682998 3-Iodo-4-(trifluoromethyl)benzoic acid, 98% | 1034690-61-3 3-Iodo-4-(trifluoromethyl)benzoic acid|CS-0044864|1034690-61-3 https://www.jk-sci.com/products/s57c4x-167713 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c812e96c2633f1ad771e24edccf64c00.jpg?v=1791715064 Levonorgestrel EP Impurity M, 94.00% | 51087-61-7 Levonorgestrel EP Impurity M|C4X-167713|51087-61-7 https://www.jk-sci.com/products/ts246cs-0045033 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/718af87558ea367bd36b720329577a8a.jpg?v=1791682818 7-Chloroisoquinolin-8-amine, 97% | 55766-90-0 7-Chloroisoquinolin-8-amine|CS-0045033|55766-90-0 https://www.jk-sci.com/products/s57c4x-167721 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6d65fb0c4200c24f2df6755e2a9276d.jpg?v=1791715051 Levonorgestrel EP Impurity V, 95.40% | 14009-70-2 Levonorgestrel EP Impurity V|C4X-167721|14009-70-2 https://www.jk-sci.com/products/ts246cs-0045318 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e5f63b9a995f3f5b2ea5c3b06faefb4.jpg?v=1791682692 (2-Amino-5-nitrophenyl)methanol, 98% | 77242-30-9 (2-Amino-5-nitrophenyl)methanol|CS-0045318|77242-30-9 https://www.jk-sci.com/products/ts246cs-0044943 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410690_948ec5d1-9f60-477e-9ad2-d8cdca675d22.png?v=1791682915 2-(1-(Hydroxymethyl)cyclopropyl)acetonitrile, 90% | 152922-71-9 2-(1-(Hydroxymethyl)cyclopropyl)acetonitrile|CS-0044943|152922-71-9 https://www.jk-sci.com/products/ts246cs-0044089 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b392ab85513bf20cf7912e093830a8be.jpg?v=1791683353 1-(3-Hydroxyazetidin-1-yl)ethanone, 97% | 118972-96-6 1-(3-Hydroxyazetidin-1-yl)ethanone|CS-0044089|118972-96-6 https://www.jk-sci.com/products/ts246cs-0044679 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afc1792d626658766307de4928997046.jpg?v=1791683083 1,5-Dibromo-2,4-diiodobenzene, 97% | 96843-23-1 1,5-Dibromo-2,4-diiodobenzene|CS-0044679|96843-23-1 https://www.jk-sci.com/products/ts246cs-0045081 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151a8850c0bac6637e97f1dae5e1f2b1.jpg?v=1791682752 4-Formyl-3-nitrobenzonitrile, 98.00%+ | 90178-78-2 4-Formyl-3-nitrobenzonitrile|CS-0045081|90178-78-2 https://www.jk-sci.com/products/ts246cs-0038491 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0ad297f664e2e34df275c6235cdfe61.jpg?v=1791687573 tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate, 97% | 1160246-72-9 tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate|CS-0038491|1160246-72-9 https://www.jk-sci.com/products/ts246cs-0042578 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/565402_78c94a78-57a1-48da-83cc-b80bc8afa8b7.png?v=1793049776 1-(3-(Difluoromethoxy)phenyl)ethan-1-one, 98% | 101975-23-9 1-(3-(Difluoromethoxy)phenyl)ethan-1-one|CS-0042578|101975-23-9 https://www.jk-sci.com/products/s57c4x-16774 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdc322f3e502960bebcde01dde096964.jpg?v=1791715045 Levonorgestrel EP Impurity D, 93.80% | 32419-58-2 Levonorgestrel EP Impurity D|C4X-16774|32419-58-2 https://www.jk-sci.com/products/s57c4x-16778 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3148eb62a36263ed18ad7e3f9779ad5a.jpg?v=1791715037 Levonorgestrel EP Impurity H, 94.60% | 55555-97-0 Levonorgestrel EP Impurity H|C4X-16778|55555-97-0 https://www.jk-sci.com/products/ts246cs-0041521 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1068bc0480978b6d30b28cb013f76528.jpg?v=1791685765 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione, 95% | 77603-45-3 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0041521|77603-45-3 https://www.jk-sci.com/products/ts246cs-0045636 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe51c2caa112a958fe60a0142f7c8464.jpg?v=1791682557 2-(Ethylsulfonyl)acetonitrile, 97.00%+ | 13654-62-1 2-(Ethylsulfonyl)acetonitrile|CS-0045636|13654-62-1 https://www.jk-sci.com/products/ts246cs-0043081 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9f0d412675126a75e33a1cbdaa1b00.jpg?v=1791684172 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one, 95.74%+ | 27320-99-6 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0043081|27320-99-6 https://www.jk-sci.com/products/s57c4x-167827 2026-10-28T21:02:28-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a800ef273238ba046b074c1e0a6aa7f7.jpg?v=1791715022 Levothyroxine Impurity 27, 86.90% | 671235-41-9 Levothyroxine Impurity 27|C4X-167827|671235-41-9