https://www.jk-sci.com/products/s57c4x-116647 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/158694_1c5cbbf8-9e1b-4e95-b908-2ed860fc0866.png?v=1791721248 Valproate Impurity 47, 98.90% | 6065-63-0 Valproate Impurity 47|C4X-116647|6065-63-0 https://www.jk-sci.com/products/s57c4x-116610 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28f3c7de81c1a17589cf4953ba384adb.jpg?v=1791721284 Sodium Valproate EP Impurity G, 96.00% | 52061-73-1 Sodium Valproate EP Impurity G|C4X-116610|52061-73-1 https://www.jk-sci.com/products/s57c4x-116665 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_38f71729-0970-4729-9523-9984a3069365.png?v=1791721234 Valproate Impurity 65, 90.80% Valproate Impurity 65|C4X-116665 https://www.jk-sci.com/products/s57c4x-116711 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33c4db492d5ed06cc168d3751d67623d.jpg?v=1791721218 Bedaquiline Impurity 11, 94.80% | 5409-58-5 Bedaquiline Impurity 11|C4X-116711|5409-58-5 https://www.jk-sci.com/products/s57c4x-11678 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91e86f085f460c4b6979f6b848acb5e7.jpg?v=1791721206 Bedaquiline Impurity 8, 98.50% | 2122862-01-3 Bedaquiline Impurity 8|C4X-11678|2122862-01-3 https://www.jk-sci.com/products/a019456130 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad82fbc0-45a7-4814-b698-ef5ecb441acc.png?v=1791756960 0.1%DEPC处理水 0.1%DEPC处理水|9456130 https://www.jk-sci.com/products/s57c4x-1169199 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58a17f5c6def80fe9874d836ed6d28ba.jpg?v=1791721175 Rosuvastatin dehydroanaloge, 98.80% | 2290571-51-4 Rosuvastatin dehydroanaloge|C4X-1169199|2290571-51-4 https://www.jk-sci.com/products/s57c4x-117611 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e35c8356ed84531a752d5a4e0aa42401.jpg?v=1791721116 Salbutamol EP Impurity E, 97.00% | 24085-03-8 Salbutamol EP Impurity E|C4X-117611|24085-03-8 https://www.jk-sci.com/products/s57c4x-116910 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60f9902d-1922-46b5-88ad-0212c472296c.png?v=1791721188 Rosuvastatin EP Impurity J (Sodium Salt), 91.20% Rosuvastatin EP Impurity J (Sodium Salt)|C4X-116910 https://www.jk-sci.com/products/s57c4x-116983 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138177_5093d870-d99d-4a44-a465-52d10f4c7800.png?v=1791721142 Rosuvastatin Impurity 83, 99.90% | 147118-36-3 Rosuvastatin Impurity 83|C4X-116983|147118-36-3 https://www.jk-sci.com/products/s57c4x-116961 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/218876_f0f8e4df-82e0-4b3b-900f-5d81ef6f8b7f.png?v=1791721149 Rosuvastatin Impurity 61, 88.70% | 124752-23-4 Rosuvastatin Impurity 61|C4X-116961|124752-23-4 https://www.jk-sci.com/products/s57c4x-11767 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792364_35f85a4e-32cb-4008-9b91-1d1e17f55bc5.png?v=1791721077 Salbutamol EP Impurity I, 99.60% | 56796-66-8 Salbutamol EP Impurity I|C4X-11767|56796-66-8 https://www.jk-sci.com/products/s57c4x-117623 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eb3750115da6a8f99e11e8b39a3bfff.jpg?v=1791721090 Salbutamol EP impurity N, 90.50% | 149222-15-1 Salbutamol EP impurity N|C4X-117623|149222-15-1 https://www.jk-sci.com/products/s57c4x-116947 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87af94b6-6125-4a5f-993f-63f1b32cedef.png?v=1791721158 Rosuvastatin Impurity 47, Purity: 98.2% Rosuvastatin Impurity 47|C4X-116947 https://www.jk-sci.com/products/s57c4x-1175 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f41396853b968179edb96850df3b335e.jpg?v=1791721130 Macitentan, 99.50% | 441798-33-0 Macitentan|C4X-1175|441798-33-0 https://www.jk-sci.com/products/s57c4x-117616 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/986d9e9a7c8d22120e069cffd3d8ca1b.jpg?v=1791721101 Salbutamol EP Impurity F, 94.10% | 147663-30-7 Salbutamol EP Impurity F|C4X-117616|147663-30-7 https://www.jk-sci.com/products/s57c4x-1176139 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4de112f2-398b-476a-9709-a2d57a01966c.png?v=1791721107 Salbutamol Impurity 139 HCl, Purity: 95.5% Salbutamol Impurity 139 HCl|C4X-1176139 https://www.jk-sci.com/products/s57c4x-117632 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42714eae9222ace018ec3805e3477fc3.jpg?v=1791721082 Salbutamol EP Impurity A, 95.80% | 870076-72-5 Salbutamol EP Impurity A|C4X-117632|870076-72-5 https://www.jk-sci.com/products/s57c4x-117527 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56d9c29a-7442-4494-8d76-57de0cf81613.png?v=1791721125 Macitentan Impurity 27, 99.60% Macitentan Impurity 27|C4X-117527 https://www.jk-sci.com/products/s57c4x-117688 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1c0ee28fa4919750bc0bc93e7573bf1.jpg?v=1791721068 Salbutamol Impurity 88, 87.80% | 156339-89-8 Salbutamol Impurity 88|C4X-117688|156339-89-8 https://www.jk-sci.com/products/s57c4x-117722 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d030c605f6d6018d8b0bd1ae50153db9.jpg?v=1791721048 Hydrochlorothiazide Impurity 22, 94.70% | 63779-86-2 Hydrochlorothiazide Impurity 22|C4X-117722|63779-86-2 https://www.jk-sci.com/products/s57c4x-117811 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1024594_231b8bba-8632-448a-b823-5dc90bc7bbce.png?v=1791721038 Olanzapine Impurity 11, 90.50% | 1017241-36-9 Olanzapine Impurity 11|C4X-117811|1017241-36-9 https://www.jk-sci.com/products/s57c4x-117821 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508646_02abf970-fd86-4c17-b5a2-e1a60a674b11.png?v=1791721029 Olanzapine Impurity 21, Purity: 98.7% | 60091-87-4 Olanzapine Impurity 21|C4X-117821|60091-87-4 https://www.jk-sci.com/products/s57c4x-11785 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/560200_e86ccde3-4e7c-46ad-8adf-54b1f696fcaa.png?v=1791721024 Olanzapine Impurity 5, 98.70% | 138564-60-0 Olanzapine Impurity 5|C4X-11785|138564-60-0 https://www.jk-sci.com/products/s57c4x-118110 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622191_33fc8078-c625-4551-8317-f7cc37e33fda.png?v=1791721012 Eslicarbazepine, 97.70% | 104746-04-5 Eslicarbazepine|C4X-118110|104746-04-5 https://www.jk-sci.com/products/s57c4x-118131 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b6564dab-71e4-4477-8965-d7bbc630c2dd.png?v=1791721003 Carbamazepine Impurity 31, 99.90% Carbamazepine Impurity 31|C4X-118131 https://www.jk-sci.com/products/s57c4x-11819 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/169f98785f9663f9f6459a15efbaacc4.jpg?v=1791720990 Bedaquiline Impurity 9, 98.90% | 791633-38-0 Bedaquiline Impurity 9|C4X-11819|791633-38-0 https://www.jk-sci.com/products/s57c4x-118375 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed00cb38-0aaa-4ae0-a609-c1daea387c2f.png?v=1791720964 Terbutaline Impurity 75, Purity: 99.9% Terbutaline Impurity 75|C4X-118375 https://www.jk-sci.com/products/s57c4x-118334 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05299bf90436fe6acdf58a238ab579ea.jpg?v=1791720980 Terbutaline Impurity 34, 91.70% | 28924-18-7 Terbutaline Impurity 34|C4X-118334|28924-18-7 https://www.jk-sci.com/products/s57c4x-11863 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa6fd4fa27aef4ee2d4e7df0b5a74109_75b4c937-89b1-4f49-933a-b9ab113a7360.jpg?v=1791720948 Repaglinide EP Impurity C N-acetyl-glutarate, 97.90% | 219921-94-5 Repaglinide EP Impurity C N-acetyl-glutarate|C4X-11863|219921-94-5 https://www.jk-sci.com/products/s57c4x-11861 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9f372ea920b3ecd5b3838065dd130e8.jpg?v=1791720953 Repaglinide EP Impurity A, 100.00% | 220438-80-2 Repaglinide EP Impurity A|C4X-11861|220438-80-2 https://www.jk-sci.com/products/s57c4x-11872 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3d3082d51b81a2aaefacee145ba002a.jpg?v=1791720935 Tamsulosin EP Impurity B, 98.50% | 112101-81-2 Tamsulosin EP Impurity B|C4X-11872|112101-81-2 https://www.jk-sci.com/products/s57c4x-118742 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315068_852e4939-b426-45b5-bb4d-59df92ffe15f.png?v=1791720926 Tamsulosin Impurity 42, Purity: 99.8% | 94-71-3 Tamsulosin Impurity 42|C4X-118742|94-71-3 https://www.jk-sci.com/products/s57c4x-11876 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223659_4eb8624a-a5eb-4346-b5f0-82552588d901.png?v=1791720914 Tamsulosin EP Impurity F, 93.00% | 6781-17-5 Tamsulosin EP Impurity F|C4X-11876|6781-17-5 https://www.jk-sci.com/products/s57c4x-118834 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a702b72-2428-4053-87fb-c5beed19ab36.png?v=1791720891 N-Nitrosodemethyl Chlorphenamine, 97.20% N-Nitrosodemethyl Chlorphenamine|C4X-118834 https://www.jk-sci.com/products/s57c4x-118816 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93bd8809062b69621d71449ecd634777.jpg?v=1791720908 Chlorpheniramine Impurity 16, Purity: 99.5% | 73775-50-5 Chlorpheniramine Impurity 16|C4X-118816|73775-50-5 https://www.jk-sci.com/products/s57c4x-118822 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546847_35167c96-44f9-42cc-9e50-90209adc7a6d.png?v=1791720900 Chlorphenamine Impurity 22, 99.30% | 4584-46-7 Chlorphenamine Impurity 22|C4X-118822|4584-46-7 https://www.jk-sci.com/products/s57c4x-11889 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bb29f8ae7c2613abc23f281dfb9e71c.jpg?v=1791720879 Chlorphenamine EP Impurity C, 90.50% | 20619-12-9 Chlorphenamine EP Impurity C|C4X-11889|20619-12-9 https://www.jk-sci.com/products/s57c4x-119038 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/491391_b4954beb-ff5d-4f1a-a48d-9e45ef45f763.png?v=1791720872 Captopril Impurity 38, 96.50% | 344-25-2 Captopril Impurity 38|C4X-119038|344-25-2 https://www.jk-sci.com/products/s57c4x-119131 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a57d360f4a36e7d198901ab566b0b992.jpg?v=1791720862 Apatinib-d8 Hydrochloride | 2468771-44-8 Apatinib-d8 Hydrochloride|C4X-119131|2468771-44-8 https://www.jk-sci.com/products/s57c4x-119322 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421463_aff7a00a-0040-4503-872a-af1c946360b7.png?v=1791720852 Cefepime, 94.50% | 88040-23-7 Cefepime|C4X-119322|88040-23-7 https://www.jk-sci.com/products/s57c4x-11936 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00a15a94-17f3-43be-b6ae-ed67ebb21467.png?v=1791720845 Cefepime EP Impurity F, 90.50% Cefepime EP Impurity F|C4X-11936 https://www.jk-sci.com/products/a01945898 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517355_6389badf-4267-42d1-bcd1-c96b0656b989.png?v=1791756917 4-Fluoro-1,3-dioxolan-2-one, 98% | 114435-02-8 4-Fluoro-1,3-dioxolan-2-one, 98%|945898|114435-02-8 https://www.jk-sci.com/products/s57c4x-11944 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ba5ef9fd5b4c2a92bb5eef2bbc50e67.jpg?v=1791720841 Lamivudine EP Impurity A(2R,5S)Monomer, 96.70% | 173829-09-9 Lamivudine EP Impurity A(2R,5S)Monomer|C4X-11944|173829-09-9 https://www.jk-sci.com/products/s57c4x-11949 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460388_db51b8ae-f7fd-47d1-86e8-1788e3ca8839.png?v=1791720836 Lamivudine EP Impurity F, 99.90% | 66-22-8 Lamivudine EP Impurity F|C4X-11949|66-22-8 https://www.jk-sci.com/products/s57c4x-119513 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283382_2ef0af1c-cc36-426b-a5db-61946c360b51.png?v=1791720826 D-Alfa-Tocopherol Acetate, 99.10% | 58-95-7 D-Alfa-Tocopherol Acetate|C4X-119513|58-95-7 https://www.jk-sci.com/products/s57c4x-119520 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/569826_48a364bc-35b3-4967-b411-c99832d0ef38.png?v=1791720825 Tocopherol Impurity 20, 99.00% | 7695-91-2 Tocopherol Impurity 20|C4X-119520|7695-91-2 https://www.jk-sci.com/products/s57c4x-11971 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/739fb28888569e124ad67e0b36ce4adf.jpg?v=1791720819 Sodium Fusidate EP Impurity A, 95.70% | 80445-74-5 Sodium Fusidate EP Impurity A|C4X-11971|80445-74-5 https://www.jk-sci.com/products/s57c4x-119719 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04896f45acf7e164b1c7fd7150495550.jpg?v=1791720808 Sodium Fusidate EP Impurity O Sodium Salt, 92.60% | 55601-53-1 Sodium Fusidate EP Impurity O Sodium Salt|C4X-119719|55601-53-1 https://www.jk-sci.com/products/s57c4x-119711 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e6558f120f578a20c925c00e327dfad.jpg?v=1791720814 Sodium Fusidate EP Impurity K, 94.10% | 4701-54-6 Sodium Fusidate EP Impurity K|C4X-119711|4701-54-6 https://www.jk-sci.com/products/s57c4x-11973 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_265be588-385c-47cd-a44f-0e6d95eac128.png?v=1791720803 Sodium Fusidate EP Impurity C, 90.90% Sodium Fusidate EP Impurity C|C4X-11973 https://www.jk-sci.com/products/s57c4x-11975 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88dbc356-91cf-4126-b238-3ae734f8c652.png?v=1791720801 Sodium Fusidate EP Impurity E, 93.40% Sodium Fusidate EP Impurity E|C4X-11975 https://www.jk-sci.com/products/s57c4x-119713 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ca4a705849f1c8b72ed3d1da96a76a.jpg?v=1791720814 Sodium Fusidate EP Impurity M, 98.60% | 1013937-16-0 Sodium Fusidate EP Impurity M|C4X-119713|1013937-16-0 https://www.jk-sci.com/products/s57c4x-11977 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a31eae53075ec3c1d8e53aefb8a89608.jpg?v=1791720797 Sodium Fusidate EP Impurity G, 99.80% | 4680-37-9 Sodium Fusidate EP Impurity G|C4X-11977|4680-37-9 https://www.jk-sci.com/products/s57c4x-1198 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8ceaababff7b0e8f5d5c1dda731021e.jpg?v=1791720792 Eltrombopag Olamine, Purity: 100.0% | 496775-62-3 Eltrombopag Olamine|C4X-1198|496775-62-3 https://www.jk-sci.com/products/a01946066 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d0ae5c00c78917693814bce30819dd7.jpg?v=1791756901 2-Chloro-6-methoxyisonicotinic acid, 97% | 6313-51-5 2-Chloro-6-methoxyisonicotinic acid, 97%|946066|6313-51-5 https://www.jk-sci.com/products/s57c4x-119810 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aaf29e0e-da3a-4547-96d0-23d8f19707f7.png?v=1791720786 Eltrombopag Impurity 10, 87.70% Eltrombopag Impurity 10|C4X-119810 https://www.jk-sci.com/products/s57c4x-119811 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/422877971a7a283f6dbddd561df66b3d.jpg?v=1791720780 Eltrombopag, 99.50% | 496775-61-2 Eltrombopag|C4X-119811|496775-61-2 https://www.jk-sci.com/products/a01946227 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364135.png?v=1791756892 6,7-Dimethoxy-4-methylcoumarin, 98% | 4281-40-7 6,7-Dimethoxy-4-methylcoumarin, 98%|946227|4281-40-7 https://www.jk-sci.com/products/s57c4x-11982 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc4ccd8a91b9b37375479f70420fc785.jpg?v=1791720775 Eltrombopag Methyl Ester, Purity: 100.0% | 1246929-01-0 Eltrombopag Methyl Ester|C4X-11982|1246929-01-0 https://www.jk-sci.com/products/s57c4x-119842 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0659f3de84e7899ada333fa8b797c2e3_1100ba65-5c2a-4986-a45b-1e129b0b2913.jpg?v=1791720775 Eltrombopag Impurity 42, Purity: 99.4% | 612-87-3 Eltrombopag Impurity 42|C4X-119842|612-87-3 https://www.jk-sci.com/products/s57c4x-119863 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407422_c4d7c732-7a18-4325-b717-8b7a37c5a0ae.png?v=1791720766 Eltrombopag Impurity 63 HCl, Purity: 97.0% | 60481-51-8 Eltrombopag Impurity 63 HCl|C4X-119863|60481-51-8 https://www.jk-sci.com/products/s57c4x-11987 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0bbeb940331d9bfa70fca5c885ded5.jpg?v=1791720767 Eltrombopag Impurity 7, 95.50% | 1428987-69-2 Eltrombopag Impurity 7|C4X-11987|1428987-69-2 https://www.jk-sci.com/products/s57c4x-119873 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9de8ceaa-b719-47a0-a562-4a78ad8832f8.png?v=1791720760 Eltrombopag Impurity 73, 96.90% Eltrombopag Impurity 73|C4X-119873 https://www.jk-sci.com/products/s57c4x-11994 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1ce3fdd38296255b6fec08186c64941_f12ee6db-59ad-4315-9ec7-150b983f9e33.jpg?v=1791720740 Simvastatin EP Impurity D, 90.80% | 476305-24-5 Simvastatin EP Impurity D|C4X-11994|476305-24-5 https://www.jk-sci.com/products/s57c4x-11989 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_460fbac2-a999-4137-a672-f144dad6804e.png?v=1791720752 Eltrombopag Impurity 9, 99.90% Eltrombopag Impurity 9|C4X-11989 https://www.jk-sci.com/products/s57c4x-11992 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/632770.png?v=1791720751 Simvastatin EP Impurity B, 94.40% | 145576-25-6 Simvastatin EP Impurity B|C4X-11992|145576-25-6 https://www.jk-sci.com/products/s57c4x-119881 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ab67d0f-b2b8-492f-93f7-6b603a368cdf.png?v=1791720756 Eltrombopag Impurity 81, Purity: 99.7% Eltrombopag Impurity 81|C4X-119881 https://www.jk-sci.com/products/s57c4x-119927 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410d1655e1cf4838a25e9cd4bc886f35.jpg?v=1791720745 Simvastatin Impurity 27, 93.70% | 132487-01-5 Simvastatin Impurity 27|C4X-119927|132487-01-5 https://www.jk-sci.com/products/s57c4x-11996 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920277_48006e03-f4aa-4d4a-abdc-5188af3be2a4.png?v=1791720736 Simvastatin EP Impurity F, 98.80% | 79952-44-6 Simvastatin EP Impurity F|C4X-11996|79952-44-6 https://www.jk-sci.com/products/s57c4x-12002 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bccb5f4c623047c8aa1a955861c88dc6.jpg?v=1791720731 1-Pentanone, 5-methoxy-1-[4-(trifluoromethyl) phenyl] -, oxime, Purity: 98.2% | 61747-22-6 1-Pentanone, 5-methoxy-1-[4-(trifluoromethyl) phenyl] -, oxime|C4X-12002|61747-22-6 https://www.jk-sci.com/products/s57c4x-120141 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc6632533f93f9dc905a0fb9eb7410d3.jpg?v=1791720721 Cefotaxime open ring lactone, 91.70% | 75679-12-8 Cefotaxime open ring lactone|C4X-120141|75679-12-8 https://www.jk-sci.com/products/s57c4x-12012 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc1d8f373c0e11cd4e0dfc0a1161c71e.jpg?v=1791720726 Cefotaxime EP Impurity B, 88.10% | 66340-28-1 Cefotaxime EP Impurity B|C4X-12012|66340-28-1 https://www.jk-sci.com/products/s57c4x-12013 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/637d485753292e0894a8f3b1be103aaf.jpg?v=1791720728 Cefotaxime EP Impurity C, 93.50% | 66403-32-5 Cefotaxime EP Impurity C|C4X-12013|66403-32-5 https://www.jk-sci.com/products/s57c4x-12021 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40f3a56325ec5d85e7e132f3b277fe6b.jpg?v=1791720715 Melitracen Impurity 1, 98.20% | 85118-29-2 Melitracen Impurity 1|C4X-12021|85118-29-2 https://www.jk-sci.com/products/s57c4x-12025 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442146.png?v=1791720710 Melitracen Impurity 5, Purity: 99.2% | 111-18-2 Melitracen Impurity 5|C4X-12025|111-18-2 https://www.jk-sci.com/products/s57c4x-120212 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae7b0d60-29bf-4e5b-ad38-e2d9e86c31a1.png?v=1791720715 Melitracen Impurity 12, Purity: 98.9% Melitracen Impurity 12|C4X-120212 https://www.jk-sci.com/products/s57c4x-120320 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e82f872ec81a0f557201562274d126c.jpg?v=1791720702 Bupropion Impurity 20, Purity: 98.8% | 1346603-00-6 Bupropion Impurity 20|C4X-120320|1346603-00-6 https://www.jk-sci.com/products/s57c4x-120313 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7d19b85ce64dd137dc49fef0459066d.jpg?v=1791720704 Bupropion Impurity 13 HCl, 99.00% | 2227990-16-9 Bupropion Impurity 13 HCl|C4X-120313|2227990-16-9 https://www.jk-sci.com/products/s57c4x-120324 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b72edd1aa0782ca3cd5adcd69871d70e.jpg?v=1791720699 3-Deschloro-2-Chloro Bupropion HCl, 95.00% | 1049718-57-1 3-Deschloro-2-Chloro Bupropion HCl|C4X-120324|1049718-57-1 https://www.jk-sci.com/products/s57c4x-12033 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76f36310fbeaa6c6dbb52c860d870d30.jpg?v=1791720694 Bupropion Impurity 3, 99.50% | 152943-33-4 Bupropion Impurity 3|C4X-12033|152943-33-4 https://www.jk-sci.com/products/ts246cs-0107365 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614068.png?v=1791662924 7-(Trifluoromethyl)-1,2,3,4-tetrahydroquinoline, 98% | 450-62-4 7-(Trifluoromethyl)-1,2,3,4-tetrahydroquinoline|CS-0107365|450-62-4 https://www.jk-sci.com/products/s57c4x-120353 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_375e3c5e-24b6-4253-a928-82a0c2cb762b.png?v=1791720687 Bupropion Impurity 53 HCl, 99.40% Bupropion Impurity 53 HCl|C4X-120353 https://www.jk-sci.com/products/a01946307 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07d9c39b026cecc4e70b1bf6d6516d83.jpg?v=1791756876 Ethyl 2,3,4,6-tetra-O-acetyl-1-thio-b-D-galactopyranoside, 95% | 55722-49-1 Ethyl 2,3,4,6-tetra-O-acetyl-1-thio-b-D-galactopyranoside, 95%|946307|55722-49-1 https://www.jk-sci.com/products/s57c4x-120441 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263922_e26e4f37-7bcf-4da1-b7f9-1b9bcd789b39.png?v=1791720680 Cefotiam Impurity 41, Purity: 99.9% | 61607-68-9 Cefotiam Impurity 41|C4X-120441|61607-68-9 https://www.jk-sci.com/products/s57c4x-12081 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4357b6802331de8bafd9e4be32117f6b.jpg?v=1791720669 Posaconazole Impurity 1, 99.00% | 2243786-01-6 Posaconazole Impurity 1|C4X-12081|2243786-01-6 https://www.jk-sci.com/products/s57c4x-12055 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a11c834cdb7e413fa3d29c0689a31155.jpg?v=1791720671 Tazobactam Impurity 5, Purity: 95.7% | 89789-07-1 Tazobactam Impurity 5|C4X-12055|89789-07-1 https://www.jk-sci.com/products/s57c4x-1208119 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad66d990e8affd620baf54747e5187c2.jpg?v=1791720666 Posaconazole Impurity 119, 97.90% | 2243786-03-8 Posaconazole Impurity 119|C4X-1208119|2243786-03-8 https://www.jk-sci.com/products/s57c4x-120535 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1b09bf6fcb43fd557c9ec17cde26594.jpg?v=1791720678 Tazobactam Impurity 35, Purity: 98.6% | 125949-72-6 Tazobactam Impurity 35|C4X-120535|125949-72-6 https://www.jk-sci.com/products/s57c4x-1208122 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7ab0a326b33c0de8565533b49a6da77.jpg?v=1791720660 Posaconazole Impurity 122, 96.20% | 687132-01-0 Posaconazole Impurity 122|C4X-1208122|687132-01-0 https://www.jk-sci.com/products/s57c4x-120815 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3520844ca21e18f8f666de296ba7cc68.jpg?v=1791720661 Posaconazole Impurity 15(S,S,S,S), 98.90% | 1246391-73-0 Posaconazole Impurity 15(S,S,S,S)|C4X-120815|1246391-73-0 https://www.jk-sci.com/products/s57c4x-120816 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33b4bd7191d8af78db4abec325130490.jpg?v=1791720655 Posaconazole Impurity 16(S,R,S,S), 98.50% | 213381-02-3 Posaconazole Impurity 16(S,R,S,S)|C4X-120816|213381-02-3 https://www.jk-sci.com/products/s57c4x-1208170 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ab80ed2-4ed8-49c9-b529-e118f829b923.png?v=1791720650 Posaconazole Impurity 170, Purity: 98.8% Posaconazole Impurity 170|C4X-1208170 https://www.jk-sci.com/products/s57c4x-1208175 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fa5b58be5776822b92d33921a2d1a4b.jpg?v=1791720648 Posaconazole Impurity 175, 95.40% | 169265-99-0 Posaconazole Impurity 175|C4X-1208175|169265-99-0 https://www.jk-sci.com/products/s57c4x-1208182 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9247a001-91d0-4444-b819-b68da2ec181b.png?v=1791720644 Posaconazole Impurity 82, Purity: 95.5% Posaconazole Impurity 82|C4X-1208182 https://www.jk-sci.com/products/s57c4x-1208196 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8aaa808f-3304-4483-ac46-ea9671631875.png?v=1791720639 Posaconazole Impurity 196, 91.40% Posaconazole Impurity 196|C4X-1208196 https://www.jk-sci.com/products/s57c4x-12082 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325e329a7eca40e15615eba50fc2b69f.jpg?v=1791720640 Posaconazole Impurity 2, 99.20% | 2243786-00-5 Posaconazole Impurity 2|C4X-12082|2243786-00-5 https://www.jk-sci.com/products/s57c4x-120821 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8562fe89cabc3bf6929b1b9a8ad53806.jpg?v=1791720634 Posaconazole Impurity 21(R,R,S,R), 99.40% | 171228-50-5 Posaconazole Impurity 21(R,R,S,R)|C4X-120821|171228-50-5 https://www.jk-sci.com/products/a01946828 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148309.png?v=1791756847 Benzyl phenyl sulfide, 98% | 831-91-4 Benzyl phenyl sulfide, 98%|946828|831-91-4 https://www.jk-sci.com/products/s57c4x-120827 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_481c4a19-d141-4256-a4d0-2a33471874d5.png?v=1791720624 Posaconazole Impurity 27, 93.10% Posaconazole Impurity 27|C4X-120827 https://www.jk-sci.com/products/s57c4x-12084 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8929cb776b4eee9c8d8f0de68b214a94.jpg?v=1791720625 Posaconazole Impurity 4, 99.30% | 184177-83-1 Posaconazole Impurity 4|C4X-12084|184177-83-1 https://www.jk-sci.com/products/s57c4x-120842 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05199c45b5b793295b7e2da3086b07a4.jpg?v=1791720618 Posaconazole Impurity 42, 98.90% | 357189-96-9 Posaconazole Impurity 42|C4X-120842|357189-96-9 https://www.jk-sci.com/products/s57c4x-120844 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca5d7883ba6b72e2e083d0f35a2a1f8.jpg?v=1791720613 Posaconazole Impurity 44, Purity: 99.5% | 357189-97-0 Posaconazole Impurity 44|C4X-120844|357189-97-0 https://www.jk-sci.com/products/s57c4x-120848 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8b1a92e2ba989be092edcfef560d77f.jpg?v=1791720607 Posaconazole Impurity 48, 97.50% | 1902954-03-3 Posaconazole Impurity 48|C4X-120848|1902954-03-3 https://www.jk-sci.com/products/s57c4x-120851 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2261e156f75c5a2c9e8ac36dd2ecbb73.jpg?v=1791720601 Posaconazole Impurity 51, 91.30% | 357189-94-7 Posaconazole Impurity 51|C4X-120851|357189-94-7 https://www.jk-sci.com/products/s57c4x-120854 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f3dd2d8b5d7b675b4d0c98bb4f99cdd.jpg?v=1791720594 Posaconazole Impurity 54(R,S,S,S), 99.70% | 2243785-96-6 Posaconazole Impurity 54(R,S,S,S)|C4X-120854|2243785-96-6 https://www.jk-sci.com/products/a01946846 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6570b304b77a6f08668c4333706073c.jpg?v=1791756846 Triethylene Glycol 2-Bromoethyl Methyl Ether, 95% | 110429-45-3 Triethylene Glycol 2-Bromoethyl Methyl Ether, 95%|946846|110429-45-3 https://www.jk-sci.com/products/s57c4x-120858 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_168c3717-3bb4-44f2-9f09-dddaaa6184d1.png?v=1791720589 Posaconazole Impurity 58, 98.60% Posaconazole Impurity 58|C4X-120858 https://www.jk-sci.com/products/s57c4x-120874 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265e0cc3f508bc13b834fdef3f99c496.jpg?v=1791720588 Posaconazole Impurity 74, 99.70% | 170985-86-1 Posaconazole Impurity 74|C4X-120874|170985-86-1 https://www.jk-sci.com/products/s57c4x-120880 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bca3cc5db430ed8fe90dba8a17cc53c6.jpg?v=1791720583 Posaconazole Impurity 80, Purity: 98.3% | 1488301-79-6 Posaconazole Impurity 80|C4X-120880|1488301-79-6 https://www.jk-sci.com/products/s57c4x-12089 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26cde565-b927-4cba-b036-79d4f9501440.png?v=1791720581 Posaconazole Impurity 9, 95.80% Posaconazole Impurity 9|C4X-12089 https://www.jk-sci.com/products/s57c4x-12101 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e4ff5134a9163b9db4e962103473030.jpg?v=1791720577 Cefdinir CP Impurity A, 74.30% | 1450758-21-0 Cefdinir CP Impurity A|C4X-12101|1450758-21-0 https://www.jk-sci.com/products/s57c4x-121018 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bae79d6cfdf25c9fd16a97165e9b8ad.jpg?v=1791720571 Cefdinir CP Impurity R, 92.90% | 178601-88-2 Cefdinir CP Impurity R|C4X-121018|178601-88-2 https://www.jk-sci.com/products/a01947085 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104985.png?v=1791756838 N-(tert-Butoxycarbonyloxy)succinimide, 98% | 13139-12-3 N-(tert-Butoxycarbonyloxy)succinimide, 98%|947085|13139-12-3 https://www.jk-sci.com/products/s57c4x-121023 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4e55c38-454d-44fd-989f-fe18841561be.png?v=1791720566 Cefdinir CP Impurity F, 90.60% Cefdinir CP Impurity F|C4X-121023 https://www.jk-sci.com/products/s57c4x-12103 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288fc8f3f5769506adaf4736d8582f32.jpg?v=1791720564 Cefdinir CP Impurity O, 91.10% | 79350-10-0 Cefdinir CP Impurity O|C4X-12103|79350-10-0 https://www.jk-sci.com/products/s57c4x-121040 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94631999814c0f64547ae15d6d326f25.jpg?v=1791720558 Cefdinir Impurity 40, 90.40% | 1330164-22-1 Cefdinir Impurity 40|C4X-121040|1330164-22-1 https://www.jk-sci.com/products/s57c4x-12105 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66dce0ef5b14bae0b6a98694cba2d8eb.jpg?v=1791720558 Cefdinir CP Impurity T&U, 86.30% | 178949-04-7 Cefdinir CP Impurity T&U|C4X-12105|178949-04-7 https://www.jk-sci.com/products/s57c4x-121053 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/977aa75e7b481a5643adecc50d64a2ba.jpg?v=1791720548 Cefdinir Impurity 53, Purity: 91.0% | 178422-40-7 Cefdinir Impurity 53|C4X-121053|178422-40-7 https://www.jk-sci.com/products/s57c4x-12108 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2007894e82010308bf8cc273ef068a9d.jpg?v=1791720547 Cefdinir CP Impurity D, 92.50% | 934986-48-8 Cefdinir CP Impurity D|C4X-12108|934986-48-8 https://www.jk-sci.com/products/a01947089 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa5591215cffefde88ed08c0e9543650.jpg?v=1791756835 (2-Hydroxyphenyl)diphenylphosphine, 97% | 60254-10-6 (2-Hydroxyphenyl)diphenylphosphine, 97%|947089|60254-10-6 https://www.jk-sci.com/products/s57c4x-121112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519376.png?v=1791720541 Paracetamol EP Impurity I, 99.00% | 118-93-4 Paracetamol EP Impurity I|C4X-121112|118-93-4 https://www.jk-sci.com/products/s57c4x-112883 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0d1178e6-8d7e-499c-93fc-4b75481b7bf8.png?v=1791722405 N-Nitroso Sildenafil EP Impurity F, 94.20% N-Nitroso Sildenafil EP Impurity F|C4X-112883 https://www.jk-sci.com/products/s57c4x-113282 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/418666_8a842497-9a5e-464f-970b-383b880036f9.png?v=1791722079 Atorvastatin Impurity 82, 97.30% | 125971-96-2 Atorvastatin Impurity 82|C4X-113282|125971-96-2 https://www.jk-sci.com/products/s57c4x-1138146 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1219557a2225984d4a56df8dc433317.jpg?v=1791721934 Dapagliflozin Impurity 146, Purity: 96.5% | 1938090-31-3 Dapagliflozin Impurity 146|C4X-1138146|1938090-31-3 https://www.jk-sci.com/products/s57c4x-1144 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4db5e3cf6dcde4cfd1e50820cec48291.jpg?v=1791721755 Sitagliptin Phosphate, 98.60% | 654671-78-0 Sitagliptin Phosphate|C4X-1144|654671-78-0 https://www.jk-sci.com/products/s57c4x-114496 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d09a64adee95f378015eeec00afaa881_289ce0e9-0bd0-4b20-a547-6ac6963b546a.jpg?v=1791721699 Sitagliptin Impurity 96, 98.50% | 1675201-14-5 Sitagliptin Impurity 96|C4X-114496|1675201-14-5 https://www.jk-sci.com/products/a01947485 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaac5ad8d3f8baea81f4847dac44de68.jpg?v=1791756811 7-Bromoquinolin-2(1H)-one, 97% | 99465-10-8 7-Bromoquinolin-2(1H)-one, 97%|947485|99465-10-8 https://www.jk-sci.com/products/s57c4x-114937 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481973_ab5c78c8-8559-4f4d-a5e5-6a58bc378d48.png?v=1791721619 Cefoperazone, 96.40% | 62893-19-0 Cefoperazone|C4X-114937|62893-19-0 https://www.jk-sci.com/products/s57c4x-116013 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b12a54af0ecd0548482912bdf1f1b117.jpg?v=1791721506 Cholic Acid Impurity 13, 99.30% | 2304-92-9 Cholic Acid Impurity 13|C4X-116013|2304-92-9 https://www.jk-sci.com/products/s57c4x-116243 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e5eb33758948dfa1922a2d96deab672_a0aec531-57b2-4bf7-894f-c6d38bb4aeec.jpg?v=1791721455 Febuxostat Impurity 43, 97.00% | 161798-03-4 Febuxostat Impurity 43|C4X-116243|161798-03-4 https://www.jk-sci.com/products/a01947660 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9349837.png?v=1791756807 N-Ethylxanthyl phthalimide, 98% | 72731-86-3 N-Ethylxanthyl phthalimide, 98%|947660|72731-86-3 https://www.jk-sci.com/products/s57c4x-116283 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_276c825a-23db-4081-a828-14d854008711.png?v=1791721423 Febuxostat Impurity 83, 99.40% Febuxostat Impurity 83|C4X-116283 https://www.jk-sci.com/products/s57c4x-116431 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e1044b25-c490-410e-87d0-a0b637051bab.png?v=1791721365 N-Nitroso Oxcarbazepine EP Impurity C, Purity: 97.3% N-Nitroso Oxcarbazepine EP Impurity C|C4X-116431 https://www.jk-sci.com/products/s57c4x-11635 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43ba2e14709e02862c2dbf603f97f45d.jpg?v=1791721398 Ceftriaxone Sodium EP Impurity E, 92.40% | 58909-56-1 Ceftriaxone Sodium EP Impurity E|C4X-11635|58909-56-1 https://www.jk-sci.com/products/a01250721 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250721.png?v=1791771909 16-Hexadecanolide, 97% | 109-29-5 16-Hexadecanolide, 97%|250721|109-29-5 https://www.jk-sci.com/products/s57c4x-116549 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622223_c868926d-318a-4b8e-861d-fc94cd758d62.png?v=1791721312 Dexamethasone Phosphate, 94.00% | 312-93-6 Dexamethasone Phosphate|C4X-116549|312-93-6 https://www.jk-sci.com/products/a01250893 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250893.png?v=1791771909 Molybdenum boride, 99.5%, metal basis | 12006-98-3 Molybdenum boride, 99.5%, metal basis|250893|12006-98-3 https://www.jk-sci.com/products/s57c4x-11664 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342604_944af992-6f4d-41e8-bb7c-7f2f857b880f.png?v=1791721260 Sodium Valproate EP Impurity L, 93.90% | 97-61-0 Sodium Valproate EP Impurity L|C4X-11664|97-61-0 https://www.jk-sci.com/products/a01251478 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/251478.png?v=1791771889 N-(3-Aminopropyl)-N-methylaniline, 97% | 53485-07-7 N-(3-Aminopropyl)-N-methylaniline, 97%|251478|53485-07-7 https://www.jk-sci.com/products/s57c4x-116833 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da99ce101f9500e7b54df7457fe36488.jpg?v=1791721194 Aprepitant Impurity 33, Purity: 92.0% | 219821-37-1 Aprepitant Impurity 33|C4X-116833|219821-37-1 https://www.jk-sci.com/products/s57c4x-116922 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a10e800ca973f3130772d8946639860_bb80f267-c122-494d-b8ec-abc56d7c625d.jpg?v=1791721167 Rosuvastatin Impurity 22, 100.00% | 355806-00-7 Rosuvastatin Impurity 22|C4X-116922|355806-00-7 https://www.jk-sci.com/products/s57c4x-11731 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447b9ce80fb714c71c82a23bf0fcd181.jpg?v=1791721134 Acarbose EP Impurity A, 93.30% | 1013621-79-8 Acarbose EP Impurity A|C4X-11731|1013621-79-8 https://www.jk-sci.com/products/a01252446 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252446_a5100430-8132-4bd7-9ba1-5f038e57fe37.png?v=1791771856 5-Bromo-2-fluorobenzyl alcohol, 98% | 99725-13-0 5-Bromo-2-fluorobenzyl alcohol, 98%|252446|99725-13-0 https://www.jk-sci.com/products/a01253219 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456061.png?v=1791771817 5-Nitro-6-methyluracil, 98% | 16632-21-6 5-Nitro-6-methyluracil, 98%|253219|16632-21-6 https://www.jk-sci.com/products/a01253000 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c7d04c6d86e0779377149ec62ae653d.jpg?v=1793053186 Phenyl vinyl sulfone, 98% | 5535-48-8 Phenyl vinyl sulfone, 98%|253000|5535-48-8 https://www.jk-sci.com/products/s57c4x-1176155 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc0816899cdece4dd64f6b06b0d17c8d_7894633b-595a-4a12-ab58-bcc4f34ea908.jpg?v=1791721102 Salbutamol Intermediate Impurity 55, 98.00% | 62932-94-9 Salbutamol Intermediate Impurity 55|C4X-1176155|62932-94-9 https://www.jk-sci.com/products/s57c4x-11757 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dc3c9824e1278ec18345e0f2bcf9194.jpg?v=1791721120 Macitentan Impurity 7, 99.50% | 1433875-21-8 Macitentan Impurity 7|C4X-11757|1433875-21-8 https://www.jk-sci.com/products/s57c4x-117652 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ead317f9-401a-469a-a532-ce4275ccd3ec.png?v=1791721081 Salbutamol EP Impurity K HCl, 94.60% Salbutamol EP Impurity K HCl|C4X-117652 https://www.jk-sci.com/products/s57c4x-117712 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbb71639033a2ba2c5828dbe35289bf7.jpg?v=1791721057 Hydrochlorothiazide Impurity 12, 95.30% | 5250-72-6 Hydrochlorothiazide Impurity 12|C4X-117712|5250-72-6 https://www.jk-sci.com/products/s57c4x-118113 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/718344925354c73319492c0dfc60f224.jpg?v=1791721008 Carbamazepine Impurity 13, 97.70% | 75272-34-3 Carbamazepine Impurity 13|C4X-118113|75272-34-3 https://www.jk-sci.com/products/s57c4x-11855 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303042_8a0fd0dc-b194-4e3e-b12e-0560de8d81e3.png?v=1791720958 Glutathione EP Impurity D, 75.20% | 636-58-8 Glutathione EP Impurity D|C4X-11855|636-58-8 https://www.jk-sci.com/products/a01254087 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254087.png?v=1791771772 (S)-(+)-3-Aminopyrrolidine dihydrochloride, 98% | 116183-83-6 (S)-(+)-3-Aminopyrrolidine dihydrochloride, 98%|254087|116183-83-6 https://www.jk-sci.com/products/s57c4x-118316 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82a8115b042e681f1d20ed4d57f68267.jpg?v=1791720984 Terbutaline EP Impurity B Hemisulphate, 92.40% | 153657-83-1 Terbutaline EP Impurity B Hemisulphate|C4X-118316|153657-83-1 https://www.jk-sci.com/products/a01255333 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/255333.png?v=1791771740 2-Amino-3-methoxybenzoic acid, 97% | 3177-80-8 2-Amino-3-methoxybenzoic acid, 97%|255333|3177-80-8 https://www.jk-sci.com/products/s57c4x-11782 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e600a7346302aaddf832382c90f6bd96_7fd153e9-a442-43b2-909b-c2d7a3fc6f4e.jpg?v=1791721035 Olanzapine Ep Impurity B, 99.80% | 221176-49-4 Olanzapine Ep Impurity B|C4X-11782|221176-49-4 https://www.jk-sci.com/products/s57c4x-11882 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294033_a7b56c1a-9bd0-4cf8-91a2-c81dc1e24ab1.png?v=1791720904 Chlorphenamine EP Impurity B, 99.50% | 1202-34-2 Chlorphenamine EP Impurity B|C4X-11882|1202-34-2 https://www.jk-sci.com/products/s57c4x-118737 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8b67948b-6354-4bba-8a53-84fa74af205c.png?v=1791720931 Tamsulosin EP Impurity H HCl, 98.00% Tamsulosin EP Impurity H HCl|C4X-118737 https://www.jk-sci.com/products/a01254378 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312785.png?v=1791771761 2-Methoxyphenylboronic acid, 98% | 5720-06-9 2-Methoxyphenylboronic acid, 98%|254378|5720-06-9 https://www.jk-sci.com/products/s57c4x-119118 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9df8190c-e7d1-4d29-bdd3-aebd08c05a86.png?v=1791720863 Lapatinib Impurity 18, 98.00% Lapatinib Impurity 18|C4X-119118 https://www.jk-sci.com/products/s57c4x-119514 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cb721f0e-e59d-4dd0-b250-692122a5bb53.png?v=1791720824 Tocopherol Impurity 14, 98.70% Tocopherol Impurity 14|C4X-119514 https://www.jk-sci.com/products/s57c4x-119339 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3448b15c-6679-4439-bf8f-6fb0425960c5.png?v=1791720845 Cefepime Impurity 39, 90.20% Cefepime Impurity 39|C4X-119339 https://www.jk-sci.com/products/s57c4x-11948 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/457913_7f45dc44-4132-4b8b-8ee3-e7c91727d192.png?v=1791720835 Lamivudine EP Impurity E, 91.60% | 71-30-7 Lamivudine EP Impurity E|C4X-11948|71-30-7 https://www.jk-sci.com/products/s57c4x-11886 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1674b4456325d66eea7d919f6d8ee21b.jpg?v=1791720891 Chlorphenamine EP Impurity A, 98.70% | 1246816-57-8 Chlorphenamine EP Impurity A|C4X-11886|1246816-57-8 https://www.jk-sci.com/products/s57c4x-119710 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d86782457306f1d3ce074a771d99ce10.jpg?v=1791720820 Sodium Fusidate EP Impurity J, 95.60% | 13011-12-6 Sodium Fusidate EP Impurity J|C4X-119710|13011-12-6 https://www.jk-sci.com/products/s57c4x-119718 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ce4e886fe8e68395594a02f144344ef.jpg?v=1791720810 Sodium Fusidate Impurity 18, 96.30% | 16391-75-6 Sodium Fusidate Impurity 18|C4X-119718|16391-75-6 https://www.jk-sci.com/products/s57c4x-11974 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1da2b9e7-b0a9-4992-8c01-d4f39e5d01de.png?v=1791720805 Sodium Fusidate EP Impurity D, 95.40% Sodium Fusidate EP Impurity D|C4X-11974 https://www.jk-sci.com/products/s57c4x-1198100 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437980_1328d6d4-b42e-4c92-8a97-b16891ab79bc.png?v=1791720787 Eltrombopag Impurity 100, 94.40% | 15969-09-2 Eltrombopag Impurity 100|C4X-1198100|15969-09-2 https://www.jk-sci.com/products/s57c4x-11979 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14a2cf2035eca8d6fc97cbad0de503ed.jpg?v=1791720792 Sodium Fusidate EP Impurity I, 99.30% | 5951-83-7 Sodium Fusidate EP Impurity I|C4X-11979|5951-83-7 https://www.jk-sci.com/products/s57c4x-119837 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325011_566ebdd6-d2de-4f2c-bbec-2e4fc8723706.png?v=1791720775 Eltrombopag Impurity 37, 98.20% | 7693-52-9 Eltrombopag Impurity 37|C4X-119837|7693-52-9 https://www.jk-sci.com/products/s57c4x-119866 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e97971c3-94e6-4ca8-a72a-d45618ebe68d.png?v=1791720765 Eltrombopag Impurity 66, 94.40% Eltrombopag Impurity 66|C4X-119866 https://www.jk-sci.com/products/s57c4x-11988 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68cd6e5f00daeed358825b3f0b47f98e.jpg?v=1791720757 Eltrombopag Impurity 8, 99.00% | 376592-93-7 Eltrombopag Impurity 8|C4X-11988|376592-93-7 https://www.jk-sci.com/products/s57c4x-119915 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217521_755161c3-90e3-47c1-b382-4827224b13b3.png?v=1791720751 Simvastatin EP Impurity A(Ammonium Salt), 91.10% | 139893-43-9 Simvastatin EP Impurity A(Ammonium Salt)|C4X-119915|139893-43-9 https://www.jk-sci.com/products/s57c4x-11993 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42e02d760094d73a41f93a28b4c398d6.jpg?v=1791720746 Simvastatin EP Impurity C, 94.00% | 210980-68-0 Simvastatin EP Impurity C|C4X-11993|210980-68-0 https://www.jk-sci.com/products/s57c4x-11997 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aa8813d13e8e9f94cfd7ec594863984.jpg?v=1791720733 Simvastatin EP Impurity G, 99.40% | 1449248-72-9 Simvastatin EP Impurity G|C4X-11997|1449248-72-9 https://www.jk-sci.com/products/s57c4x-120126 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32949ea83e8c138d408779c9f0990d0e.jpg?v=1791720725 Cefotaxime S-Oxide, 92.60% | 97466-27-8 Cefotaxime S-Oxide|C4X-120126|97466-27-8 https://www.jk-sci.com/products/s57c4x-12016 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69a448641b32329dbeef515d8a17ffae.jpg?v=1791720719 Cefotaxime EP Impurity F, 91.10% | 175032-97-0 Cefotaxime EP Impurity F|C4X-12016|175032-97-0 https://www.jk-sci.com/products/s57c4x-12023 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df0a45438e775c1d8e1649611c8f1ca8.jpg?v=1791720709 Melitracen Impurity 3, 99.50% | 5447-86-9 Melitracen Impurity 3|C4X-12023|5447-86-9 https://www.jk-sci.com/products/s57c4x-120322 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/026abf3bea7342eeb07edf155a97f8de.jpg?v=1791720699 Bupropion Impurity 22, 96.20% | 2133460-43-0 Bupropion Impurity 22|C4X-120322|2133460-43-0 https://www.jk-sci.com/products/s57c4x-120347 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ccddd4cba0aabca20f8f0e32d6d84b0.jpg?v=1791720693 Hydroxy Bupropion-d6, Purity>95% | 1216893-18-3 Hydroxy Bupropion-d6|C4X-120347|1216893-18-3 https://www.jk-sci.com/products/s57c4x-12041 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34090f518085e6cfc50f96aa3082b708.jpg?v=1791720685 Cefotiam Impurity 1, 90.40% | 775233-43-7 Cefotiam Impurity 1|C4X-12041|775233-43-7 https://www.jk-sci.com/products/s57c4x-120537 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a96298da-d2f8-4427-887a-c25e97a408a2.png?v=1791720673 Tazobactam Impurity 37, Purity: 97.3% Tazobactam Impurity 37|C4X-120537 https://www.jk-sci.com/products/s57c4x-120811 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7cdcea377723fe68845649ed997dfc5.jpg?v=1791720667 Posaconazole Impurity 11, 94.90% | 159811-30-0 Posaconazole Impurity 11|C4X-120811|159811-30-0 https://www.jk-sci.com/products/s57c4x-1208199 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9228896a-9ea1-4780-99f1-790052ea9f84.png?v=1791720640 Posaconazole Impurity 99, 99.00% Posaconazole Impurity 99|C4X-1208199 https://www.jk-sci.com/products/s57c4x-120813 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2e829e999a6875856591414517959ff.jpg?v=1791720659 Posaconazole Impurity 13(R,R,R,R), 99.40% | 170985-61-2 Posaconazole Impurity 13(R,R,R,R)|C4X-120813|170985-61-2 https://www.jk-sci.com/products/s57c4x-120817 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e11e35e26fcfe279aae886ad336a23af.jpg?v=1791720653 Posaconazole Impurity 17(R,R,R,S), 98.20% | 171228-51-6 Posaconazole Impurity 17(R,R,R,S)|C4X-120817|171228-51-6 https://www.jk-sci.com/products/s57c4x-1208181 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0a70f0b3-2941-4070-9c44-da2c3df84ef5.png?v=1791720645 Posaconazole Impurity 81, Purity: 99.6% Posaconazole Impurity 81|C4X-1208181 https://www.jk-sci.com/products/s57c4x-1208261 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55c9f1b69309c32a5d9faa3d3b440f47.jpg?v=1791720629 Posaconazole Impurity 261, 91.80% | 2376724-98-8 Posaconazole Impurity 261|C4X-1208261|2376724-98-8 https://www.jk-sci.com/products/s57c4x-121013 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d4f5d03c9eb6aff9cc448a932e6dc83.jpg?v=1791720577 Cefdinir CP Impurity I&J&K&L, 92.90% | 178422-42-9 Cefdinir CP Impurity I&J&K&L|C4X-121013|178422-42-9 https://www.jk-sci.com/products/s57c4x-120852 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93f3ca175c2c568d322d833b82294b9a.jpg?v=1791720599 Posaconazole Impurity 52, 93.80% | 161532-56-5 Posaconazole Impurity 52|C4X-120852|161532-56-5 https://www.jk-sci.com/products/s57c4x-120845 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f10c38a1b6d77c11eca8406a6fe52fb.jpg?v=1791720612 Posaconazole Impurity 45, 96.90% | 1388148-30-8 Posaconazole Impurity 45|C4X-120845|1388148-30-8 https://www.jk-sci.com/products/s57c4x-120840 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18c50e250aee750791a1af2d98bc2839.jpg?v=1791720619 Posaconazole Impurity 40, Purity: 97.2% | 1370190-94-5 Posaconazole Impurity 40|C4X-120840|1370190-94-5 https://www.jk-sci.com/products/s57c4x-120863 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_67a5a125-65a9-44d9-96c8-5cbb776b99d5.png?v=1791720587 Posaconazole Impurity 63, Purity: 99.0% Posaconazole Impurity 63|C4X-120863 https://www.jk-sci.com/products/s57c4x-120883 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_31d20f54-9da7-4338-88c9-1163000e31ca.png?v=1791720581 Posaconazole Impurity 83, 96.70% Posaconazole Impurity 83|C4X-120883 https://www.jk-sci.com/products/s57c4x-121029 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_977a0cb7-ef65-4522-a3cd-74f7c983af64.png?v=1791720564 Cefdinir Impurity 29, 67.50% Cefdinir Impurity 29|C4X-121029 https://www.jk-sci.com/products/s57c4x-121045 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab55f6f6f3fbc48cb62c4b8df4c7eb1d.jpg?v=1791720558 Cefdinir USP Impurity A, 92.00% | 178949-03-6 Cefdinir USP Impurity A|C4X-121045|178949-03-6 https://www.jk-sci.com/products/s57c4x-12106 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e8ec3a44cac357d2edbc974cbf8b794.jpg?v=1791720547 Cefdinir Impurity 6, 83.90% | 79350-14-4 Cefdinir Impurity 6|C4X-12106|79350-14-4 https://www.jk-sci.com/products/s57c4x-121115 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505567.png?v=1791720539 Paracetamol EP Impurity N, 99.50% | 3070-86-8 Paracetamol EP Impurity N|C4X-121115|3070-86-8 https://www.jk-sci.com/products/s57c4x-121125 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/073c1c4dd3ea9f3982ef7b4212c512cd.jpg?v=1791720532 Acetaminophen Impurity 25, 94.20% | 98966-14-4 Acetaminophen Impurity 25|C4X-121125|98966-14-4 https://www.jk-sci.com/products/s57c4x-12112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145666.png?v=1791720535 Acetaminophen EP Impurity H, 99.60% | 2623-33-8 Acetaminophen EP Impurity H|C4X-12112|2623-33-8 https://www.jk-sci.com/products/s57c4x-121128 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7b09015d7132b12e23c9de2f1e7a17f.jpg?v=1791720530 Paracetamol EP Impurity O, 91.90% | 2575516-61-7 Paracetamol EP Impurity O|C4X-121128|2575516-61-7 https://www.jk-sci.com/products/s57c4x-121132 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347117.png?v=1791720527 Acetaminophen Impurity 32, 98.50% | 874-60-2 Acetaminophen Impurity 32|C4X-121132|874-60-2 https://www.jk-sci.com/products/s57c4x-12116 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/226525_0756a6d7-55fe-49a6-84cf-c71a380a75e0.png?v=1791720520 Paracetamol EP Impurity E, 99.30% | 99-93-4 Paracetamol EP Impurity E|C4X-12116|99-93-4 https://www.jk-sci.com/products/a01255539 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288143.png?v=1791771729 3-Hydroxy-4-methoxybenzaldehyde, 99% | 621-59-0 3-Hydroxy-4-methoxybenzaldehyde, 99%|255539|621-59-0 https://www.jk-sci.com/products/s57c4x-1212 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289085_91e10f78-283f-42f6-91fc-0f6fac64bfa0.png?v=1791720517 Ceftazidime Pentahydrate, 95.30% | 78439-06-2 Ceftazidime Pentahydrate|C4X-1212|78439-06-2 https://www.jk-sci.com/products/s57c4x-121222 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4de85d61-407e-4493-a321-8bed4e7e0f95.png?v=1791720513 Ceftazidime Impurity 22, 90.10% Ceftazidime Impurity 22|C4X-121222 https://www.jk-sci.com/products/s57c4x-121234 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c371b1697b7be6f8ca1f207b9df0ff7.jpg?v=1791720507 Ceftazidime Impurity 34, 92.50% | 72820-16-7 Ceftazidime Impurity 34|C4X-121234|72820-16-7 https://www.jk-sci.com/products/s57c4x-12126 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370699_3d72bcdb-de55-412d-b222-43d81902e28a.png?v=1791720503 Ceftazidime EP Impurity F(HCl), 98.70% | 628-13-7 Ceftazidime EP Impurity F(HCl)|C4X-12126|628-13-7 https://www.jk-sci.com/products/a01255723 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/255723_306bb53e-c7aa-4a3d-8ad8-156abe8d7230.png?v=1793053174 Boc-alanine, 98% | 3744-87-4 Boc-alanine, 98%|255723|3744-87-4 https://www.jk-sci.com/products/s57c4x-12131 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca91933b5c6d17263aa96510e8809acf.jpg?v=1791720497 Roxatidine Impurity 1, Purity: 97.9% | 97900-88-4 Roxatidine Impurity 1|C4X-12131|97900-88-4 https://www.jk-sci.com/products/s57c4x-12134 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397554.png?v=1791720491 Roxatidine Impurity 4, 94.30% | 73279-04-6 Roxatidine Impurity 4|C4X-12134|73279-04-6 https://www.jk-sci.com/products/s57c4x-121321 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5a727371be3ea53067ef257072374fa.jpg?v=1791720492 Roxatidine Impurity 21, 97.10% | 108441-34-5 Roxatidine Impurity 21|C4X-121321|108441-34-5 https://www.jk-sci.com/products/s57c4x-121344 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489413_4b092df0-c8d3-438b-ad3c-b5d86206ea1c.png?v=1791720485 Roxatidine Impurity 44, 97.70% | 6276-54-6 Roxatidine Impurity 44|C4X-121344|6276-54-6 https://www.jk-sci.com/products/s57c4x-121355 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161339.png?v=1791720481 Roxatidine Impurity 55, 86.70% | 100841-00-7 Roxatidine Impurity 55|C4X-121355|100841-00-7 https://www.jk-sci.com/products/s57c4x-121357 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270573_857d18b1-8e14-4359-bb05-e0e647cf13bf.png?v=1791720480 Roxatidine Impurity 57, 91.10% | 615-18-9 Roxatidine Impurity 57|C4X-121357|615-18-9 https://www.jk-sci.com/products/s57c4x-12151 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21fd7d0fd9c7c6a2f2164bae8d051a94.jpg?v=1791720470 Cefradine EP Impurity G(Cefalexin EP Impurity E/Cefadroxil EP Impurity H), 92.30% | 146794-70-9 Cefradine EP Impurity G(Cefalexin EP Impurity E/Cefadroxil EP Impurity H)|C4X-12151|146794-70-9 https://www.jk-sci.com/products/s57c4x-12137 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315323.png?v=1791720475 Roxatidine Hemioxalate, 98.50% | 110925-92-3 Roxatidine Hemioxalate|C4X-12137|110925-92-3 https://www.jk-sci.com/products/a01255779 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133274.png?v=1791771716 Ethyl 5-chloro-2-indolecarboxylate, 97% | 4792-67-0 Ethyl 5-chloro-2-indolecarboxylate, 97%|255779|4792-67-0 https://www.jk-sci.com/products/s57c4x-12153 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b688b92de513a63f3b88743d1605ce0.jpg?v=1791720468 Cefradine EP Impurity E, 91.50% | 215172-75-1 Cefradine EP Impurity E|C4X-12153|215172-75-1 https://www.jk-sci.com/products/s57c4x-12161 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368394.png?v=1791720462 Mifepristone Impurity 1, Purity: 95.6% | 104004-96-8 Mifepristone Impurity 1|C4X-12161|104004-96-8 https://www.jk-sci.com/products/s57c4x-12201 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599117.png?v=1791720458 Metformin EP Impurity A, 99.90% | 461-58-5 Metformin EP Impurity A|C4X-12201|461-58-5 https://www.jk-sci.com/products/s57c4x-12202 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/384386.png?v=1791720453 Metformin EP Impurity B, 98.40% | 4405-08-7 Metformin EP Impurity B|C4X-12202|4405-08-7 https://www.jk-sci.com/products/s57c4x-12203 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/425386_79769a14-2d09-45fd-bfc6-ef9bf577d970.png?v=1791720454 Metformin EP Impurity C, 98.40% | 1985-46-2 Metformin EP Impurity C|C4X-12203|1985-46-2 https://www.jk-sci.com/products/s57c4x-1220529 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29de8fc37c8ea81dc311ac1d2d90435d.jpg?v=1791720444 Tazobactam lmpurity 29, 98.80% | 80353-26-0 Tazobactam lmpurity 29|C4X-1220529|80353-26-0 https://www.jk-sci.com/products/s57c4x-12224 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea203c55d43ac1521ec337fa7b9e5bb8.jpg?v=1791720427 Calcipotriol EP Impurity D, 98.20% | 112827-99-3 Calcipotriol EP Impurity D|C4X-12224|112827-99-3 https://www.jk-sci.com/products/s57c4x-12222 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_70e7c8b4-e9ea-4390-8f55-69e1bb4020cc.png?v=1791720437 Calcipotriol EP Impurity B, 86.40% Calcipotriol EP Impurity B|C4X-12222 https://www.jk-sci.com/products/s57c4x-12209 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb2dadcb970567a49c7b1508f3028068_3db92e1c-5057-4976-b722-ae359a941b99.jpg?v=1791720442 1-Methylbiguanide Hydrochloride, 99.80% | 1674-62-0 1-Methylbiguanide Hydrochloride|C4X-12209|1674-62-0 https://www.jk-sci.com/products/a01256041 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113772.png?v=1791771701 4,6-Dimethyldibenzothiophene, 97% | 1207-12-1 4,6-Dimethyldibenzothiophene, 97%|256041|1207-12-1 https://www.jk-sci.com/products/a01255983 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/255983_bc2a03d0-45f9-43da-ad8d-3d57680fbb0d.png?v=1791771710 4,4'-Bis(2-sulfonatostyryl)biphenyl disodium salt, 98% | 27344-41-8 4,4'-Bis(2-sulfonatostyryl)biphenyl disodium salt, 98%|255983|27344-41-8 https://www.jk-sci.com/products/a01256641 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258656.png?v=1793053173 6-Azauracil, 98% | 461-89-2 6-Azauracil, 98%|256641|461-89-2 https://www.jk-sci.com/products/s57c4x-1223 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1306431fc1f5dbd79ddad194cc7b2a78.jpg?v=1791720422 Netupitant, 99.30% | 290297-26-6 Netupitant|C4X-1223|290297-26-6 https://www.jk-sci.com/products/s57c4x-122421 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7291191d08f5d9fba0a1674a66741301.jpg?v=1791720417 Cefadroxil Impurity 21, 93.30% | 144790-28-3 Cefadroxil Impurity 21|C4X-122421|144790-28-3 https://www.jk-sci.com/products/s57c4x-122417 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b514c01cf7ae05a7ab7f2e069aa6ae68.jpg?v=1791720422 Cefadroxil Impurity 17, 98.30% | 700-63-0 Cefadroxil Impurity 17|C4X-122417|700-63-0 https://www.jk-sci.com/products/s57c4x-12243 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0f33b1f6877b9f5fd8229ff4c6c8f3b.jpg?v=1791720412 Cefadroxil EP Impurity G（Cefradine EP Impurity F/Cefalexin EP Impurity D）, 91.30% | 34876-35-2 Cefadroxil EP Impurity G（Cefradine EP Impurity F/Cefalexin EP Impurity D）|C4X-12243|34876-35-2 https://www.jk-sci.com/products/s57c4x-12252 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c651aa69f7dc5799c4817a295713f75.jpg?v=1791720408 Trimethoprim EP Impurity B, 95.10% | 30806-86-1 Trimethoprim EP Impurity B|C4X-12252|30806-86-1 https://www.jk-sci.com/products/s57c4x-12254 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d27d5f06e3046ed31f15222628d78448.jpg?v=1791720406 Trimethoprim EP Impurity D, 95.90% | 92440-76-1 Trimethoprim EP Impurity D|C4X-12254|92440-76-1 https://www.jk-sci.com/products/s57c4x-122610 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_352848d2-925f-4701-a905-05310527009f.png?v=1791720398 Doxepin EP Impurity C HCl, Purity>95% Doxepin EP Impurity C HCl|C4X-122610 https://www.jk-sci.com/products/s57c4x-12256 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90ca8726f95aa3fbcbd7039e9ec520cd.jpg?v=1791720402 Trimethoprim EP Impurity F, Purity: 96.6% | 16285-82-8 Trimethoprim EP Impurity F|C4X-12256|16285-82-8 https://www.jk-sci.com/products/s57c4x-12263 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389121.png?v=1791720394 Desmethyl Doxepin HCl (Nordoxepin HCl, Mixture of Z and E Isomers), Purity>95% | 2887-91-4 Desmethyl Doxepin HCl (Nordoxepin HCl, Mixture of Z and E Isomers)|C4X-12263|2887-91-4 https://www.jk-sci.com/products/s57c4x-12272 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fc140a27ec4a384d14df75d016e56c3.jpg?v=1791720391 Oxybuprocaine EP Impurity B, Purity: 100.0% | 23442-22-0 Oxybuprocaine EP Impurity B|C4X-12272|23442-22-0 https://www.jk-sci.com/products/s57c4x-12275 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ef62c25b-2680-473d-abaa-1fe858606c83.png?v=1791720384 Oxybuprocaine Impurity 5, 99.90% Oxybuprocaine Impurity 5|C4X-12275 https://www.jk-sci.com/products/s57c4x-123012 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb5faf2229d4199993a4442252ed90ec.jpg?v=1791720380 Dexmedetomidine Impurity 12, 97.30% | 2240179-65-9 Dexmedetomidine Impurity 12|C4X-123012|2240179-65-9 https://www.jk-sci.com/products/s57c4x-12301 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fc956d9447a692d1269f2473f181986.jpg?v=1791720385 Dexmedetomidine Impurity 1, 96.10% | 60907-90-6 Dexmedetomidine Impurity 1|C4X-12301|60907-90-6 https://www.jk-sci.com/products/s57c4x-123016 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c30060c53a01ec45cddfa94719becc1c_03508e50-3a8d-424c-b3f9-6b8ba7e7080a.jpg?v=1791720375 Dexmedetomidine Impurity 16, 94.50% | 60907-88-2 Dexmedetomidine Impurity 16|C4X-123016|60907-88-2 https://www.jk-sci.com/products/s57c4x-12302 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/605316_c5b241d7-c338-422a-9e9f-b5d18f903b98.png?v=1791720373 Dexmedetomidine Impurity 2, 98.40% | 5779-93-1 Dexmedetomidine Impurity 2|C4X-12302|5779-93-1 https://www.jk-sci.com/products/s57c4x-123026 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550791_ea18a7d6-bd07-45aa-937f-145797b1541e.png?v=1791720369 Dexmedetomidine Impurity 26, Purity: 99.4% | 603-79-2 Dexmedetomidine Impurity 26|C4X-123026|603-79-2 https://www.jk-sci.com/products/s57c4x-123031 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596309_a3ce761c-ba09-447e-a568-c50b7eb230d5.png?v=1791720364 Dexmedetomidine Impurity 31, 98.80% | 2142-71-4 Dexmedetomidine Impurity 31|C4X-123031|2142-71-4 https://www.jk-sci.com/products/a01256775 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616685_aab46e04-7cfa-4cb2-b625-3dbd35a5c084.png?v=1791771668 3,4-Dihydroxybenzaldehyde, 98% | 139-85-5 3,4-Dihydroxybenzaldehyde, 98%|256775|139-85-5 https://www.jk-sci.com/products/s57c4x-123036 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4755a08a327d52515500ae586ebf82b.jpg?v=1791720359 Dexmedetomidine Impurity 36, 99.20% | 86347-14-0 Dexmedetomidine Impurity 36|C4X-123036|86347-14-0 https://www.jk-sci.com/products/s57c4x-123040 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82270c2d2ebc2075e7c50a49b94b1ea3.jpg?v=1791720354 Dexmedetomidine Impurity 40, 98.80% | 881409-85-4 Dexmedetomidine Impurity 40|C4X-123040|881409-85-4 https://www.jk-sci.com/products/s57c4x-123054 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d7af3cc-be1d-43c7-809e-e9f19d789bd4.png?v=1791720348 Dexmedetomidine Impurity 54, 98.90% Dexmedetomidine Impurity 54|C4X-123054 https://www.jk-sci.com/products/s57c4x-123063 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259515.png?v=1791720343 Dexmedetomidine impurity 63, Purity: 99.8% | 32917-52-5 Dexmedetomidine impurity 63|C4X-123063|32917-52-5 https://www.jk-sci.com/products/s57c4x-123058 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13f5c96ccd541a06efd23d63de0d9c8c.jpg?v=1791720348 Dexmedetomidine Impurity 58, Purity: 100.0% | 104175-24-8 Dexmedetomidine Impurity 58|C4X-123058|104175-24-8 https://www.jk-sci.com/products/s57c4x-123068 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24abeb3e0a56f0cd4c70af5da05b7cbb.jpg?v=1791720338 Dexmedetomidine Impurity 68, 98.90% | 86347-44-6 Dexmedetomidine Impurity 68|C4X-123068|86347-44-6 https://www.jk-sci.com/products/a01948092 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240960.png?v=1791756765 N,N-Diisopropylaniline, 98% | 4107-98-6 N,N-Diisopropylaniline, 98%|948092|4107-98-6 https://www.jk-sci.com/products/s57c4x-12309 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205073d3b0e3732731a48d6fb68cff78.jpg?v=1791720331 Dexmedetomidine Impurity 9, 92.40% | 2240179-63-7 Dexmedetomidine Impurity 9|C4X-12309|2240179-63-7 https://www.jk-sci.com/products/s57c4x-123220 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5249fd43-68dc-44e0-b0e9-5d6f01dca5b1.png?v=1791720327 Emtricitabine Thioacetate, 92.00% Emtricitabine Thioacetate|C4X-123220 https://www.jk-sci.com/products/s57c4x-123238 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cb1623bc-fbdc-44d4-ad59-8dba47b20eea.png?v=1791720322 Emtricitabine Int.Ph Impurity A, 96.90% Emtricitabine Int.Ph Impurity A|C4X-123238 https://www.jk-sci.com/products/s57c4x-123310 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa530af38a404073719b668819ede03.jpg?v=1791720317 Tamoxifen EP Impurity F HCl, 99.40% | 15917-65-4 Tamoxifen EP Impurity F HCl|C4X-123310|15917-65-4 https://www.jk-sci.com/products/s57c4x-12332 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a6aa8e58c92000c35fefc04d84b66d1.jpg?v=1791720314 Tamoxifen EP Impurity A, Purity: 98.8% | 13002-65-8 Tamoxifen EP Impurity A|C4X-12332|13002-65-8 https://www.jk-sci.com/products/s57c4x-123410 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/249ab6592369ab58073143350b639a83.jpg?v=1791720311 Candesartan Cilexetil EP Impurity C, 98.40% | 1185255-99-5 Candesartan Cilexetil EP Impurity C|C4X-123410|1185255-99-5 https://www.jk-sci.com/products/a01948568 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10612009b40be530e4b1fd62d8b3771b.jpg?v=1791756728 Titanium(IV) oxide, 99.9%, rutile | 1317-80-2 Titanium(IV) oxide, 99.9%, rutile|948568|1317-80-2 https://www.jk-sci.com/products/s57c4x-123414 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a4b98ac4dad054aaf69ee8222d001d3.jpg?v=1791720305 Candesartan Cilexetil Impurity 14, 92.50% | 136304-78-4 Candesartan Cilexetil Impurity 14|C4X-123414|136304-78-4 https://www.jk-sci.com/products/s57c4x-123424 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfa7fcebd9079317d362d958abd0ee38.jpg?v=1791720301 Candesartan Cilexetil Impurity 24, 98.90% | 139481-28-0 Candesartan Cilexetil Impurity 24|C4X-123424|139481-28-0 https://www.jk-sci.com/products/s57c4x-123436 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2c3b76cf-6c9e-4c2f-b8b1-b94b18baf995.png?v=1791720299 Candesartan Cilexetil Impurity 36, 98.80% Candesartan Cilexetil Impurity 36|C4X-123436 https://www.jk-sci.com/products/s57c4x-12346 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0593ff6edf496fffd13fbd1363f35231.jpg?v=1791720289 Candesartan Cilexetil EP Impurity F, 99.90% | 914613-36-8 Candesartan Cilexetil EP Impurity F|C4X-12346|914613-36-8 https://www.jk-sci.com/products/s57c4x-12348 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120416.png?v=1791720289 Candesartan Cilexetil EP Impurity H, 98.00% | 170791-09-0 Candesartan Cilexetil EP Impurity H|C4X-12348|170791-09-0 https://www.jk-sci.com/products/s57c4x-12351 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278509.png?v=1791720283 Piracetam EP Impurity D, 99.80% | 53934-76-2 Piracetam EP Impurity D|C4X-12351|53934-76-2 https://www.jk-sci.com/products/s57c4x-123514 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501649.png?v=1791720278 Piracetam Impurity 14, Purity: 100.0% | 2555-05-7 Piracetam Impurity 14|C4X-123514|2555-05-7 https://www.jk-sci.com/products/s57c4x-123519 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2785728-a8da-4f2c-a40d-a869d944c547.png?v=1791720274 Piracetam Impurity 19, 96.10% Piracetam Impurity 19|C4X-123519 https://www.jk-sci.com/products/s57c4x-123523 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c0f8fad-6c01-47bd-9677-f969cce4decc.png?v=1791720273 Piracetam Impurity 23, Purity: 100.0% Piracetam Impurity 23|C4X-123523 https://www.jk-sci.com/products/s57c4x-123526 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_95291a1c-28fa-46f4-8b06-e2eb40ba05bd.png?v=1791720266 Piracetam Impurity 26, 84.40% Piracetam Impurity 26|C4X-123526 https://www.jk-sci.com/products/s57c4x-123531 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27a5167e-37bf-4837-8ac9-9b7cc5b21d68.png?v=1791720261 Piracetam impurity 31, 98.20% Piracetam impurity 31|C4X-123531 https://www.jk-sci.com/products/s57c4x-12354 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98701ad5b60fe978a32db6578aa1cdab.jpg?v=1791720257 Piracetam EP Impurity C, 91.90% | 61516-73-2 Piracetam EP Impurity C|C4X-12354|61516-73-2 https://www.jk-sci.com/products/s57c4x-12356 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93c1d644099aebb8a7b33bf025d9d0ca.jpg?v=1791720257 Piracetam Impurity 6, 95.30% | 1096803-44-9 Piracetam Impurity 6|C4X-12356|1096803-44-9 https://www.jk-sci.com/products/s57c4x-1236101 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c8ec878a-b2b1-4752-a8da-b797c2dbb633.png?v=1791720245 Isavuconazole Impurity 101, 95.90% Isavuconazole Impurity 101|C4X-1236101 https://www.jk-sci.com/products/s57c4x-1236109 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8a463cb-040f-4bb0-a0de-b44913f3b7fb.png?v=1791720235 Isavuconazole Impurity 109, 99.90% Isavuconazole Impurity 109|C4X-1236109 https://www.jk-sci.com/products/s57c4x-1236104 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc4a1b0dd6bfd2a1c48ef4985791b03.jpg?v=1791720246 Isavuconazole Impurity 104, 97.10% | 2922040-42-2 Isavuconazole Impurity 104|C4X-1236104|2922040-42-2 https://www.jk-sci.com/products/s57c4x-113530 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d492e3c464b28fcff0cd5a816b4b5398.jpg?v=1791722000 Olaparib Impurity 30, 97.60% | 61260-15-9 Olaparib Impurity 30|C4X-113530|61260-15-9 https://www.jk-sci.com/products/s57c4x-1236113 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_050a153f-9af2-45e8-8c31-981318352e93.png?v=1791720230 Isavuconazole Impurity 113, 93.90% Isavuconazole Impurity 113|C4X-1236113 https://www.jk-sci.com/products/s57c4x-109525 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282856_a6a54f94-475b-4690-8378-9f4e4dda2194.png?v=1791723519 Amlodipine Impurity25, 99.90% | 3891-07-4 Amlodipine Impurity25|C4X-109525|3891-07-4 https://www.jk-sci.com/products/s57c4x-123614 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb5238ec-ff5d-41a9-9d85-f165ad083c5e.png?v=1791720230 Isavuconazole Impurity 14, 84.40% Isavuconazole Impurity 14|C4X-123614 https://www.jk-sci.com/products/s57c4x-114432 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7138819cef81117e3ea39381409dd3d6.jpg?v=1791721727 Sitagliptin EP Impurity B, 98.10% | 486460-31-5 Sitagliptin EP Impurity B|C4X-114432|486460-31-5 https://www.jk-sci.com/products/s57c4x-11563 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403553_ff49b380-bfb1-4c04-a10c-0ca6a24e2e2c.png?v=1791721539 Diosmin EP Impurity C, 92.20% | 552-57-8 Diosmin EP Impurity C|C4X-11563|552-57-8 https://www.jk-sci.com/products/s57c4x-11626 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06c7be9c8c6c5a7f77760206a2796e80.jpg?v=1791721440 Febuxostat Impurity 6, 97.90% | 1239233-87-4 Febuxostat Impurity 6|C4X-11626|1239233-87-4 https://www.jk-sci.com/products/s57c4x-116417 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313472_160337cc-59ce-48eb-897d-72b71c4ececf.png?v=1791721383 Oxcarbazepine Impurity 17, 98.70% | 578-95-0 Oxcarbazepine Impurity 17|C4X-116417|578-95-0 https://www.jk-sci.com/products/a01948772 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1099919.png?v=1791756718 1-Benzylpiperidine-4-carbonitrile, 97% | 62718-31-4 1-Benzylpiperidine-4-carbonitrile, 97%|948772|62718-31-4 https://www.jk-sci.com/products/s57c4x-116723 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41a7851f4407af48bd4363792d4d6d0.jpg?v=1791721215 Bedaquiline Impurity 23, Purity: 99.6% | 1032468-55-5 Bedaquiline Impurity 23|C4X-116723|1032468-55-5 https://www.jk-sci.com/products/s57c4x-117612 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24eff1d3bc598c67ca26369437f72841.jpg?v=1791721110 Salbutamol EP Impurity G(Hydrochloride), 94.70% | 24085-08-3 Salbutamol EP Impurity G(Hydrochloride)|C4X-117612|24085-08-3 https://www.jk-sci.com/products/s57c4x-118370 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/052efdb97533f5c8f5a6f098dd60e40a_451393ab-a691-4655-8b4c-0d12abd1df5d.jpg?v=1791720974 Terbutaline EP Impurity D Hydrochloride, 93.00% | 94109-61-2 Terbutaline EP Impurity D Hydrochloride|C4X-118370|94109-61-2 https://www.jk-sci.com/products/s57c4x-11879 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406476_76d6d247-6bf5-47cf-b167-ccacf81295de.png?v=1791720914 Tamsulosin EP Impurity I, 98.00% | 3259-03-8 Tamsulosin EP Impurity I|C4X-11879|3259-03-8 https://www.jk-sci.com/products/s57c4x-118012 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecb2e16bf94c1c72011d7a76f672f95e.jpg?v=1791721015 Benzyl methanesulfonate, 94.40% | 55791-06-5 Benzyl methanesulfonate|C4X-118012|55791-06-5 https://www.jk-sci.com/products/s57c4x-11768 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51436ba5df2023c6cdb695e7ce86c401.jpg?v=1791721071 Salbutamol EP Impurity Q, 93.00% | 54030-32-9 Salbutamol EP Impurity Q|C4X-11768|54030-32-9 https://www.jk-sci.com/products/s57c4x-11697 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d475f6015fe0fce4ac0bc7128a74cee5.jpg?v=1791721143 Rosuvastatin EP Impurity G (Calcium Salt), 95.70% | 2414245-11-5 Rosuvastatin EP Impurity G (Calcium Salt)|C4X-11697|2414245-11-5 https://www.jk-sci.com/products/s57c4x-11976 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbb5d954c495d629ddeced5412ed3251.jpg?v=1791720796 Sodium Fusidate EP Impurity F, 98.20% | 1415035-94-7 Sodium Fusidate EP Impurity F|C4X-11976|1415035-94-7 https://www.jk-sci.com/products/s57c4x-119712 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05ef96bdd01a7878a50a9c20f65ffadf.jpg?v=1791720814 Sodium Fusidate EP Impurity L, 99.20% | 74048-41-2 Sodium Fusidate EP Impurity L|C4X-119712|74048-41-2 https://www.jk-sci.com/products/s57c4x-119511 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5002a6a0823def75128f2381f9f0f5d.jpg?v=1791720830 All-rac-alfa-Tocopheryl Acetate EP Impurity D (Mixture of Isomers), 97.20% | 2734344-00-2 All-rac-alfa-Tocopheryl Acetate EP Impurity D (Mixture of Isomers)|C4X-119511|2734344-00-2 https://www.jk-sci.com/products/s57c4x-119015 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77da255036d60b861ecce5a2eddf58c4.jpg?v=1791720874 Captopril EP Impurity F, Purity: 95.6% | 63250-36-2 Captopril EP Impurity F|C4X-119015|63250-36-2 https://www.jk-sci.com/products/a01950831 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409185.png?v=1793052008 (E)-1,2-Bis(4-bromophenyl)ethene, 98% | 18869-30-2 (E)-1,2-Bis(4-bromophenyl)ethene, 98%|950831|18869-30-2 https://www.jk-sci.com/products/s57c4x-119819 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5315dc09-0991-485b-b18f-f5ee482e85eb.png?v=1791720778 Eltrombopag Impurity 19, Purity: 98.4% Eltrombopag Impurity 19|C4X-119819 https://www.jk-sci.com/products/s57c4x-119871 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64f23e82-d24e-4c69-9875-7e2b1b960a69.png?v=1791720762 Eltrombopag Impurity 71, Purity: 95.3% Eltrombopag Impurity 71|C4X-119871 https://www.jk-sci.com/products/s57c4x-119923 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43950a55ef4a11140f3d3e7098064d82.jpg?v=1791720748 Simvastatin EP Impurity I, Purity: 99.2% | 79902-42-4 Simvastatin EP Impurity I|C4X-119923|79902-42-4 https://www.jk-sci.com/products/s57c4x-120210 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8336869cab702324733c613886c3069.jpg?v=1791720715 Melitracen Impurity 10, Purity: 99.4% | 85199-69-5 Melitracen Impurity 10|C4X-120210|85199-69-5 https://www.jk-sci.com/products/s57c4x-12011 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316261_0d963d50-e7cf-42af-b94a-3c64b4f718c6.png?v=1791720729 Cefotaxime EP Impurity A, 94.40% | 65052-63-3 Cefotaxime EP Impurity A|C4X-12011|65052-63-3 https://www.jk-sci.com/products/s57c4x-120329 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef15e09622a2c88fae8b35363fc1695f.jpg?v=1791720698 (R,R)-Hydroxy Bupropion, Purity>95% | 192374-15-5 (R,R)-Hydroxy Bupropion|C4X-120329|192374-15-5 https://www.jk-sci.com/products/s57c4x-120510 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f751dd22718f138982b81839bceddf7.jpg?v=1791720676 Tazobactam Impurity 10, Purity: 100.0% | 87579-78-0 Tazobactam Impurity 10|C4X-120510|87579-78-0 https://www.jk-sci.com/products/s57c4x-120812 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfd1dd0378f2def4ea8b35a7e50658d2.jpg?v=1791720664 Posaconazole Impurity 12(S,S,R,R), 95.60% | 2243785-97-7 Posaconazole Impurity 12(S,S,R,R)|C4X-120812|2243785-97-7 https://www.jk-sci.com/products/s57c4x-1208174 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f285f9b1dbf8f059e23fdd9792d4160.jpg?v=1791720649 Posaconazole Impurity 174, 98.10% | 2169241-14-7 Posaconazole Impurity 174|C4X-1208174|2169241-14-7 https://www.jk-sci.com/products/s57c4x-1208201 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a3911ae2-d536-4e9b-94c0-743115015fcd.png?v=1791720634 Posaconazole Impurity 201, 96.20% Posaconazole Impurity 201|C4X-1208201 https://www.jk-sci.com/products/s57c4x-120857 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77010d34395cdb77f24318c1d3203181.jpg?v=1791720593 Posaconazole Impurity 57, 98.70% | 160709-02-4 Posaconazole Impurity 57|C4X-120857|160709-02-4 https://www.jk-sci.com/products/s57c4x-120843 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d83ec0c6e71c3d31f126aa073a273b48.jpg?v=1791720611 Posaconazole Impurity 43, 99.20% | 357189-95-8 Posaconazole Impurity 43|C4X-120843|357189-95-8 https://www.jk-sci.com/products/a01951398 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600935.png?v=1791756587 tert-Butyl (4-(methylamino)butyl)carbamate, 97% | 874831-66-0 tert-Butyl (4-(methylamino)butyl)carbamate, 97%|951398|874831-66-0 https://www.jk-sci.com/products/s57c4x-121021 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f87472b749ce5e49c21e052389435542.jpg?v=1791720571 Cefdinir CP Impurity M, 96.10% | 946573-41-7 Cefdinir CP Impurity M|C4X-121021|946573-41-7 https://www.jk-sci.com/products/s57c4x-121116 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100f64cd06f355f3c2545573888500b0.jpg?v=1791720537 Paracetamol EP Impurity L, 91.60% | 2514961-29-4 Paracetamol EP Impurity L|C4X-121116|2514961-29-4 https://www.jk-sci.com/products/s57c4x-121126 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/691d7f5390d4669543e7e0739d35bdf5.jpg?v=1791720530 Paracetamol EP Impurity M, 97.30% | 1752-24-5 Paracetamol EP Impurity M|C4X-121126|1752-24-5 https://www.jk-sci.com/products/s57c4x-12114 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318231_c9676202-dc44-4a70-865e-31ed51411735.png?v=1791720525 Paracetamol EP Impurity C, 97.50% | 3964-54-3 Paracetamol EP Impurity C|C4X-12114|3964-54-3 https://www.jk-sci.com/products/s57c4x-121052 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514777_8556cc36-77a7-4188-a190-928dbff7d0bb.png?v=1791720553 Cefdinir Impurity 52, 98.70% | 66338-96-3 Cefdinir Impurity 52|C4X-121052|66338-96-3 https://www.jk-sci.com/products/s57c4x-12122 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/706e4feb44a7a28746c06a82961de55b.jpg?v=1791720513 Ceftazidime EP Impurity B, 90.40% | 97148-38-4 Ceftazidime EP Impurity B|C4X-12122|97148-38-4 https://www.jk-sci.com/products/s57c4x-12125 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb3ee21a8a768ca393e697299c96cd42.jpg?v=1791720503 Ceftazidime EP Impurity E, 87.70% | 102772-66-7 Ceftazidime EP Impurity E|C4X-12125|102772-66-7 https://www.jk-sci.com/products/s57c4x-12132 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e60380ac7903ef95f094cb4b105a684.jpg?v=1791720498 Roxatidine Impurity 2, 82.80% | 97900-87-3 Roxatidine Impurity 2|C4X-12132|97900-87-3 https://www.jk-sci.com/products/s57c4x-121343 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146235_3b1cbc76-3296-4733-93d4-5981e5666232.png?v=1791720486 Roxatidine Impurity 43, 96.00% | 100-83-4 Roxatidine Impurity 43|C4X-121343|100-83-4 https://www.jk-sci.com/products/s57c4x-121356 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fa83c534b92108204ac244e3bbf855e.jpg?v=1791720481 Roxatidine Impurity 56, Purity: 99.4% | 132513-51-0 Roxatidine Impurity 56|C4X-121356|132513-51-0 https://www.jk-sci.com/products/s57c4x-12136 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201789_ff16e581-cf73-423f-b357-20883a230a95.png?v=1791720475 Roxatidine Acetate Hydrochloride, 99.10% | 93793-83-0 Roxatidine Acetate Hydrochloride|C4X-12136|93793-83-0 https://www.jk-sci.com/products/a01951459 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115822.png?v=1791756578 2-(4-Benzoyl-3-hydroxyphenoxy)ethyl acrylate, 97% | 16432-81-8 2-(4-Benzoyl-3-hydroxyphenoxy)ethyl acrylate, 97%|951459|16432-81-8 https://www.jk-sci.com/products/s57c4x-12156 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ffdbc74d-6e53-4bdf-a882-486a733be47c.png?v=1791720463 Cefradine EP Impurity D, 90.30% Cefradine EP Impurity D|C4X-12156 https://www.jk-sci.com/products/s57c4x-12204 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/391429_2e39c42a-b10c-4fc4-be05-70da38e0dc8f.png?v=1791720449 Metformin EP Impurity D, 100.00% | 108-78-1 Metformin EP Impurity D|C4X-12204|108-78-1 https://www.jk-sci.com/products/s57c4x-122017 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d85509cce628e1e8036ed8f93f1377a.jpg?v=1791720459 Metformin Impurity 17, 99.90% | 36897-89-9 Metformin Impurity 17|C4X-122017|36897-89-9 https://www.jk-sci.com/products/s57c4x-12221 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58618ff73d42852e348eae9630fb193f.jpg?v=1791720438 Calcipotriol EP Impurity A, 72.50% | 126860-83-1 Calcipotriol EP Impurity A|C4X-12221|126860-83-1 https://www.jk-sci.com/products/s57c4x-122234 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d73e0e784c955b3c32a7b34a6185deda.jpg?v=1791720432 Calcipotriol, 98.90% | 112965-21-6 Calcipotriol|C4X-122234|112965-21-6 https://www.jk-sci.com/products/s57c4x-122326 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2afafe08-c3af-40a0-b259-02bb9b8028a6.png?v=1791720422 Netupitant Impurity 26, 98.50% Netupitant Impurity 26|C4X-122326 https://www.jk-sci.com/products/s57c4x-12253 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06d26c03d2fb4d92f158684758ca7201.jpg?v=1791720407 Trimethoprim EP Impurity C, 99.00% | 29606-06-2 Trimethoprim EP Impurity C|C4X-12253|29606-06-2 https://www.jk-sci.com/products/s57c4x-12269 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2e1d1e5d437c26386b6007eb1a0a823.jpg?v=1791720390 Nor Doxepin-d3 Hydrochloride, Purity>95% | 1331665-54-3 Nor Doxepin-d3 Hydrochloride|C4X-12269|1331665-54-3 https://www.jk-sci.com/products/s57c4x-122426 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acae1f527ee0056e92a52ce2e0494174.jpg?v=1791720413 Cefadroxil Impurity 26, 95.80% | 147103-94-4 Cefadroxil Impurity 26|C4X-122426|147103-94-4 https://www.jk-sci.com/products/s57c4x-12259 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209a4c7b26a3822b66b3acc9dc34fb6c.jpg?v=1791720399 Trimethoprim EP Impurity I(Mixture of cis/trans isomers), 99.90% | 30078-48-9 Trimethoprim EP Impurity I(Mixture of cis/trans isomers)|C4X-12259|30078-48-9 https://www.jk-sci.com/products/s57c4x-12277 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590945_47c37eed-f0c5-4f85-bee4-e23e10eaf991.png?v=1791720385 Oxybuprocaine Hydrochloride, 99.90% | 5987-82-6 Oxybuprocaine Hydrochloride|C4X-12277|5987-82-6 https://www.jk-sci.com/products/s57c4x-123015 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0812105294c7f40900b2ab980f52c7d.jpg?v=1791720379 Dexmedetomidine Impurity 15, 99.80% | 2250242-52-3 Dexmedetomidine Impurity 15|C4X-123015|2250242-52-3 https://www.jk-sci.com/products/s57c4x-123024 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_49855592-9fb2-4dfc-b825-3286eb3237ab.png?v=1791720369 Dexmedetomidine Impurity 24, Purity: 99.0% Dexmedetomidine Impurity 24|C4X-123024 https://www.jk-sci.com/products/s57c4x-123032 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/682541a4d5dfa91975f8bf996688d087.jpg?v=1791720367 Detomidine Hydrochloride, 92.00% | 90038-01-0 Detomidine Hydrochloride|C4X-123032|90038-01-0 https://www.jk-sci.com/products/s57c4x-123425 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/203573_5bb27af6-58e3-4514-9183-23ecf01e5e9a.png?v=1791720301 Candesartan Cilexetil Impurity 25, 99.80% | 99464-83-2 Candesartan Cilexetil Impurity 25|C4X-123425|99464-83-2 https://www.jk-sci.com/products/s57c4x-123221 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4d7c619605f514e25c2a1a684751242.jpg?v=1791720323 Emtricitabine Impurity 21, 99.80% | 145986-11-4 Emtricitabine Impurity 21|C4X-123221|145986-11-4 https://www.jk-sci.com/products/s57c4x-12306 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf4860a43df9f2d4715cebf62c403b62.jpg?v=1791720343 Dexmedetomidine Impurity 6, 99.80% | 91874-85-0 Dexmedetomidine Impurity 6|C4X-12306|91874-85-0 https://www.jk-sci.com/products/s57c4x-123319 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_81140381-0ca0-4670-ba5b-03a97bb5523f.png?v=1791720315 Tamoxifen impurity 19, 99.20% Tamoxifen impurity 19|C4X-123319 https://www.jk-sci.com/products/s57c4x-123049 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09be43e19ec2d2b3924ec5f1875d141d.jpg?v=1791720353 Dexmedetomidine Impurity 49, 99.70% | 2250243-24-2 Dexmedetomidine Impurity 49|C4X-123049|2250243-24-2 https://www.jk-sci.com/products/s57c4x-123413 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de8549c8257b0e5112bd57cbe70d1071.jpg?v=1791720307 Candesartan Cilexetil EP Impurity E, 99.90% | 914613-35-7 Candesartan Cilexetil EP Impurity E|C4X-123413|914613-35-7 https://www.jk-sci.com/products/s57c4x-12347 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240626_e157daae-f7fd-436d-a617-f243b4fb7699.png?v=1791720289 Candesartan Cilexetil EP Impurity G(Candesartan), 96.50% | 139481-59-7 Candesartan Cilexetil EP Impurity G(Candesartan)|C4X-12347|139481-59-7 https://www.jk-sci.com/products/s57c4x-12308 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c82f4a02-4153-4057-aaf6-d3bd4deb4948.png?v=1791720331 Dexmedetomidine Impurity 8, 97.80% Dexmedetomidine Impurity 8|C4X-12308 https://www.jk-sci.com/products/s57c4x-123520 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c90d97bbfc34ac935d5bedbc60b0048.jpg?v=1791720271 Piracetam Impurity 20, 95.60% | 94359-90-7 Piracetam Impurity 20|C4X-123520|94359-90-7 https://www.jk-sci.com/products/s57c4x-123510 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fe4882712c6752fb1aefa1672ef55c7.jpg?v=1791720279 Piracetam Impurity 10, 95.30% | 220223-43-8 Piracetam Impurity 10|C4X-123510|220223-43-8 https://www.jk-sci.com/products/a01951566 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598d789249c94e4edfd7ebe0ba921be8.jpg?v=1791756574 4,5,6,7-Tetrahydrobenzo[c]isoxazole-3-carboxylic acid, 98% | 261350-47-4 4,5,6,7-Tetrahydrobenzo[c]isoxazole-3-carboxylic acid, 98%|951566|261350-47-4 https://www.jk-sci.com/products/s57c4x-123532 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9043a742-a0cf-4db2-9d81-a0eb7a0a54b9.png?v=1791720261 Piracetam impurity 32 HCl, 85.40% Piracetam impurity 32 HCl|C4X-123532 https://www.jk-sci.com/products/s57c4x-1236 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1397fa2679c22f4eb84ce6c64bbff2c9.jpg?v=1791720251 Isavuconazole, 97.00% | 241479-67-4 Isavuconazole|C4X-1236|241479-67-4 https://www.jk-sci.com/products/s57c4x-1236108 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_69bfd312-7393-4542-955b-4aed9fb456c7.png?v=1791720240 Isavuconazole Impurity 108, 99.50% Isavuconazole Impurity 108|C4X-1236108 https://www.jk-sci.com/products/s57c4x-1236128 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_16df4f7c-27be-42a4-bdf6-0ef1943d6fc0.png?v=1791720231 Isavuconazole Impurity 128, 97.20% Isavuconazole Impurity 128|C4X-1236128 https://www.jk-sci.com/products/s57c4x-123620 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e49cda8224efcaa79ac36fc584dcdc7.jpg?v=1791720220 Isavuconazole Impurity 20, 98.60% | 2170932-49-5 Isavuconazole Impurity 20|C4X-123620|2170932-49-5 https://www.jk-sci.com/products/s57c4x-123624 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/754fb56dd591d005ced63e4f470795d8.jpg?v=1791720215 Isavuconazole Impurity 24, 99.60% | 1176988-44-5 Isavuconazole Impurity 24|C4X-123624|1176988-44-5 https://www.jk-sci.com/products/s57c4x-123626 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1c3915e-3290-47ed-9067-04d1a0d4588f.png?v=1791720214 Isavuconazole Impurity 26, 99.80% Isavuconazole Impurity 26|C4X-123626 https://www.jk-sci.com/products/s57c4x-123628 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a49694a7-f438-4291-a6ba-92a194995b02.png?v=1791720210 Isavuconazole Impurity 28, Purity: 96.7% Isavuconazole Impurity 28|C4X-123628 https://www.jk-sci.com/products/s57c4x-12363 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3194e39c4b239bcf37b89d5f9b2d8b39.jpg?v=1791720205 Isavuconazole Impurity 3, 98.40% | 2734004-61-4 Isavuconazole Impurity 3|C4X-12363|2734004-61-4 https://www.jk-sci.com/products/s57c4x-123642 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c686170-c375-45e2-9261-5959ce1f2374.png?v=1791720196 Isavuconazole Impurity 42 Chloride DiHCl (Mixture of Diastereomers), 84.50% Isavuconazole Impurity 42 Chloride DiHCl (Mixture of Diastereomers)|C4X-123642 https://www.jk-sci.com/products/s57c4x-123632 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba516de49cb8cb56363aa30d3b2e129c.jpg?v=1791720201 Isavuconazole Impurity 32, 95.50% | 338990-31-1 Isavuconazole Impurity 32|C4X-123632|338990-31-1 https://www.jk-sci.com/products/s57c4x-123637 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a7d1e43-50e2-4bc8-a921-b3f9970a9d1b.png?v=1791720195 Isavuconazole Impurity 37 Chloride DiHCl (Mixture of Diastereomers), 81.10% Isavuconazole Impurity 37 Chloride DiHCl (Mixture of Diastereomers)|C4X-123637 https://www.jk-sci.com/products/a01952177 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446800.png?v=1791756540 1-Bromo-4-nonylbenzene, 98% | 51554-94-0 1-Bromo-4-nonylbenzene, 98%|952177|51554-94-0 https://www.jk-sci.com/products/s57c4x-123655 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87373aaf7531b66f3724ec2d7bb2d30d.jpg?v=1791720188 Isavuconazonium Sulfate, 91.70% | 946075-13-4 Isavuconazonium Sulfate|C4X-123655|946075-13-4 https://www.jk-sci.com/products/a01952855 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/286660.png?v=1791756508 5-Bromo-2-methylindole, 97% | 1075-34-9 5-Bromo-2-methylindole, 97%|952855|1075-34-9 https://www.jk-sci.com/products/s57c4x-123659 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64a6903b-53cb-4034-9738-d89d6c2a6222.png?v=1791720183 Isavuconazole Impurity 59, 72.20% Isavuconazole Impurity 59|C4X-123659 https://www.jk-sci.com/products/s57c4x-123664 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b899e76-d247-4245-acdc-b187a3c19194.png?v=1791720180 Isavuconazole Impurity 64 xTrifluoroacetate（Easy to absorb moisture）, Purity: 91.9% Isavuconazole Impurity 64 xTrifluoroacetate（Easy to absorb moisture）|C4X-123664 https://www.jk-sci.com/products/s57c4x-123673 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9c19659-ab79-4a26-b58f-00169d79ae43.png?v=1791720175 Isavuconazole Impurity 73, 96.70% Isavuconazole Impurity 73|C4X-123673 https://www.jk-sci.com/products/s57c4x-123699 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_754fb4ed-ef87-4577-b2db-93b43bf74a2e.png?v=1791720170 Isavuconazole Impurity 99 Iodization HCl, 96.30% Isavuconazole Impurity 99 Iodization HCl|C4X-123699 https://www.jk-sci.com/products/s57c4x-123697 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_38a7ae1c-ff34-43df-9fa0-914cb041a738.png?v=1791720167 Isavuconazole impurity 97, 72.80% Isavuconazole impurity 97|C4X-123697 https://www.jk-sci.com/products/s57c4x-123686 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85fed1510b4cd1f3c3c67353e2ccfd99.jpg?v=1791720173 Isavuconazole Impurity 86, Purity: 98.2% | 40805-50-3 Isavuconazole Impurity 86|C4X-123686|40805-50-3 https://www.jk-sci.com/products/s57c4x-123715 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8d91b60d2d0778c8a11c225c608b2e.jpg?v=1791720157 Picosulfate Impurity 15, 96.30% | 16985-07-2 Picosulfate Impurity 15|C4X-123715|16985-07-2 https://www.jk-sci.com/products/s57c4x-123710 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc6e781b6bc22e420b9ce282081f0821.jpg?v=1791720163 Picosulfate Impurity 10, 97.60% | 33077-70-2 Picosulfate Impurity 10|C4X-123710|33077-70-2 https://www.jk-sci.com/products/s57c4x-12372 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240df0f717fbf2c00f7c8d442753227d_e21570e1-3ea9-4994-b0ca-b732f6752631.jpg?v=1791720153 Sodium Picosulfate EP Impurity B, 99.70% | 603-41-8 Sodium Picosulfate EP Impurity B|C4X-12372|603-41-8 https://www.jk-sci.com/products/s57c4x-12374 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2eb61630-5026-4739-8226-caf0f9685faa.png?v=1791720146 Picosulfate Impurity 4, 94.80% Picosulfate Impurity 4|C4X-12374 https://www.jk-sci.com/products/a01953568 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576109_9ff1f12d-41e2-4c05-a73a-2a8328b50c81.png?v=1791756480 4-Acetylbenzonitrile, 97% | 1443-80-7 4-Acetylbenzonitrile, 97%|953568|1443-80-7 https://www.jk-sci.com/products/s57c4x-12381 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2327397a98dd635f9cb17900c24be070.jpg?v=1791720140 Zopiclone EP Impurity C, Purity: 99.4% | 148891-53-6 Zopiclone EP Impurity C|C4X-12381|148891-53-6 https://www.jk-sci.com/products/s57c4x-123816 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47137ec3f4e85d7dcf2031d4b4be7229.jpg?v=1791720141 Zopiclone Impurity 16, 98.70% | 59325-11-0 Zopiclone Impurity 16|C4X-123816|59325-11-0 https://www.jk-sci.com/products/a01953749 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143623.png?v=1791756476 2,6-Dimethoxybenzaldehyde, 98% | 3392-97-0 2,6-Dimethoxybenzaldehyde, 98%|953749|3392-97-0 https://www.jk-sci.com/products/s57c4x-12384 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae2b8236f9d1dd213ed190be5da8d658.jpg?v=1791720132 Zopiclone EP Impurity B, 99.70% | 43200-81-3 Zopiclone EP Impurity B|C4X-12384|43200-81-3 https://www.jk-sci.com/products/s57c4x-12391 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329945.png?v=1791720130 Anastrozole EP Impurity H, 99.00% | 120511-72-0 Anastrozole EP Impurity H|C4X-12391|120511-72-0 https://www.jk-sci.com/products/s57c4x-123912 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263251.png?v=1791720125 Anastrozole Impurity 12, 97.40% | 19294-04-3 Anastrozole Impurity 12|C4X-123912|19294-04-3 https://www.jk-sci.com/products/s57c4x-123915 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae37be31bdd58d41c9b490dccc066f79.jpg?v=1791720119 Anastrozole Impurity 15, 96.30% | 2469244-33-3 Anastrozole Impurity 15|C4X-123915|2469244-33-3 https://www.jk-sci.com/products/s57c4x-123917 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eccba31391167f26eeec96e7589c3095.jpg?v=1791720120 Anastrozole Diacid, 95.50% | 1338800-81-9 Anastrozole Diacid|C4X-123917|1338800-81-9 https://www.jk-sci.com/products/s57c4x-12394 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245854_892d4dc7-5493-480f-b213-fa3c8cb2018e.png?v=1791720112 Anastrozole EP Impurity C, 95.60% | 120511-84-4 Anastrozole EP Impurity C|C4X-12394|120511-84-4 https://www.jk-sci.com/products/s57c4x-12397 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e29090523148f47ff12273bc71a91cf9.jpg?v=1791720112 Anastrozole EP Impurity G, 98.80% | 120511-92-4 Anastrozole EP Impurity G|C4X-12397|120511-92-4 https://www.jk-sci.com/products/s57c4x-1240 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53431c6e810de240873bea4e544cd165.jpg?v=1791720104 Ziprasidone Hydrochloride Monohydrate, 99.50% | 138982-67-9 Ziprasidone Hydrochloride Monohydrate|C4X-1240|138982-67-9 https://www.jk-sci.com/products/s57c4x-124016 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3438d7e999895b32de5633781febd11.jpg?v=1791720099 Ziprasidone HCl, 93.10% | 122883-93-6 Ziprasidone HCl|C4X-124016|122883-93-6 https://www.jk-sci.com/products/s57c4x-124011 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/468a68bf1a1bef1d0e68845ec2d98768.jpg?v=1791720099 Ziprasidone Impurity 11, Purity: 97.0% | 188797-76-4 Ziprasidone Impurity 11|C4X-124011|188797-76-4 https://www.jk-sci.com/products/s57c4x-124026 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/543996.png?v=1791720089 Ziprasidone Impurity 26, 95.30% | 118307-04-3 Ziprasidone Impurity 26|C4X-124026|118307-04-3 https://www.jk-sci.com/products/s57c4x-12404 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/613786.png?v=1791720084 Ziprasidone EP Impurity A, 99.70% | 87691-87-0 Ziprasidone EP Impurity A|C4X-12404|87691-87-0 https://www.jk-sci.com/products/s57c4x-12407 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e09fda43c9193b72010eee9b08b8d691.jpg?v=1791720079 Ziprasidone EP Impurity D, 90.00% | 1303996-68-0 Ziprasidone EP Impurity D|C4X-12407|1303996-68-0 https://www.jk-sci.com/products/s57c4x-12409 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/543519.png?v=1791720080 Ziprasidone Impurity 9, 99.30% | 118289-55-7 Ziprasidone Impurity 9|C4X-12409|118289-55-7 https://www.jk-sci.com/products/s57c4x-124124 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154680_e2523702-2b1a-4ff1-b702-a6a53fdc61b0.png?v=1791720070 Minodronic Impurity 24, 91.30% | 2960-66-9 Minodronic Impurity 24|C4X-124124|2960-66-9 https://www.jk-sci.com/products/s57c4x-12421 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cab8843bdc02a71b40b1168f6948d6a5.jpg?v=1791720069 Rocuronium EP Impurity A, 99.60% | 119302-24-8 Rocuronium EP Impurity A|C4X-12421|119302-24-8 https://www.jk-sci.com/products/s57c4x-124215 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef1bf7484ffac1c1b9bbb42ffa6005a3.jpg?v=1791720064 Rocuronium Impurity 15, 99.10% | 10429-07-9 Rocuronium Impurity 15|C4X-124215|10429-07-9 https://www.jk-sci.com/products/s57c4x-124218 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60588d5a-3f00-4981-924a-a898dd78e5a9.png?v=1791720060 Rocuronium Impurity 18, 97.50% Rocuronium Impurity 18|C4X-124218 https://www.jk-sci.com/products/s57c4x-124224 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7d445a8c4471167bcd4c850ca5ab5b5.jpg?v=1791720056 Rocuronium Bromide Impurity 24, 93.70% | 119302-19-1 Rocuronium Bromide Impurity 24|C4X-124224|119302-19-1 https://www.jk-sci.com/products/s57c4x-12424 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfaa7fdd1628ffc1f9cbb1753649ec1d.jpg?v=1791720051 Rocuronium EP Impurity D, 97.80% | 1190105-63-5 Rocuronium EP Impurity D|C4X-12424|1190105-63-5 https://www.jk-sci.com/products/s57c4x-12425 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c1aa2f80a069ecaf05eaf7f25c3ce30.jpg?v=1791720050 Rocuronium EP Impurity E, 90.40% | 1190105-65-7 Rocuronium EP Impurity E|C4X-12425|1190105-65-7 https://www.jk-sci.com/products/s57c4x-12428 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78fbf9c35d598607e66a9f50263d6ef1.jpg?v=1791720047 Rocuronium EP Impurity H, 87.30% | 1190105-67-9 Rocuronium EP Impurity H|C4X-12428|1190105-67-9 https://www.jk-sci.com/products/s57c4x-124335 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ee58e3383f8dabbeb06acf6ac3f2603.jpg?v=1791720041 Efinaconazole Impurity 35, Purity: 95.8% | 127001-03-0 Efinaconazole Impurity 35|C4X-124335|127001-03-0 https://www.jk-sci.com/products/s57c4x-124414 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460615.png?v=1791720035 Quetiapine EP Impurity G, 99.50% | 3159-07-7 Quetiapine EP Impurity G|C4X-124414|3159-07-7 https://www.jk-sci.com/products/s57c4x-124412 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8816d20107d759143e328be724e25ab0.jpg?v=1791720036 Quetiapine EP Impurity F, 95.20% | 848814-27-7 Quetiapine EP Impurity F|C4X-124412|848814-27-7 https://www.jk-sci.com/products/s57c4x-124423 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b09b2252a983cd549d906923b5e6ab52.jpg?v=1791720024 Quetiapine EP Impurity E, Purity: 92.3% | 1371638-05-9 Quetiapine EP Impurity E|C4X-124423|1371638-05-9 https://www.jk-sci.com/products/s57c4x-124416 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1103ad622a4e4bdc08d04ec55863ee66.jpg?v=1791720031 Quetiapine EP Impurity T, 99.50% | 5747-46-6 Quetiapine EP Impurity T|C4X-124416|5747-46-6 https://www.jk-sci.com/products/s57c4x-12442 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cbf8381c40e6cd993c0ee9176954fd6_1deeaff1-9e77-402e-9995-25ab5543c7ac.jpg?v=1791720026 Quetiapine EP Impurity I, Purity: 99.2% | 329216-67-3 Quetiapine EP Impurity I|C4X-12442|329216-67-3 https://www.jk-sci.com/products/s57c4x-124425 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71f3ab64210a19aa0d1fdda66851ea31.jpg?v=1791720021 Quetiapine EP Impurity O, Purity: 98.9% | 844639-06-1 Quetiapine EP Impurity O|C4X-124425|844639-06-1 https://www.jk-sci.com/products/s57c4x-124432 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82a4bd3357e81d587fc74f45d76ac317.jpg?v=1791720016 Quetiapine Impurity 32, Purity: 99.1% | 13745-86-3 Quetiapine Impurity 32|C4X-124432|13745-86-3 https://www.jk-sci.com/products/s57c4x-124454 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232633.png?v=1791720004 Quetiapine Impurity 54, 100.00% | 4171-83-9 Quetiapine Impurity 54|C4X-124454|4171-83-9 https://www.jk-sci.com/products/s57c4x-124441 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4db6714114f9a5cceadc96caf51e3d98.jpg?v=1791720010 Quetiapine EP Impurity P, 99.20% | 1011758-03-4 Quetiapine EP Impurity P|C4X-124441|1011758-03-4 https://www.jk-sci.com/products/s57c4x-124439 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47984331-00a7-4c2d-8d74-613f71fc39ef.png?v=1791720013 Quetiapine EP Impurity N triHCl, 96.10% Quetiapine EP Impurity N triHCl|C4X-124439 https://www.jk-sci.com/products/s57c4x-124456 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473694_4282f4aa-9a91-4ec9-b5b0-2bfdc98439ec.png?v=1791720002 Quetiapine Impurity 56, 99.90% | 1015-89-0 Quetiapine Impurity 56|C4X-124456|1015-89-0 https://www.jk-sci.com/products/s57c4x-124459 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d69ff435-b1f1-441d-85eb-d02e11101714.png?v=1791719996 Quetiapine Impurity 59, 96.10% Quetiapine Impurity 59|C4X-124459 https://www.jk-sci.com/products/s57c4x-1245 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe66f524066437bbb5b65b73501295f7.jpg?v=1791719983 Cefuroxime, 98.10% | 56238-63-2 Cefuroxime|C4X-1245|56238-63-2 https://www.jk-sci.com/products/s57c4x-124460 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eade9a1e2bd1668093e9cdf4b5d0552d.jpg?v=1791719996 Quetiapine Impurity 60, Purity: 98.2% | 2204369-14-0 Quetiapine Impurity 60|C4X-124460|2204369-14-0 https://www.jk-sci.com/products/s57c4x-124464 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161c897b51ef480cc5a7605ffb61bc4c.jpg?v=1791719991 Quetiapine impurity 64, 98.20% | 73486-81-4 Quetiapine impurity 64|C4X-124464|73486-81-4 https://www.jk-sci.com/products/s57c4x-124472 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0b70ff72-be05-40a8-b90b-e87c2929d7b9.png?v=1791719982 Quetiapine impurity 72, Purity: 98.7% Quetiapine impurity 72|C4X-124472 https://www.jk-sci.com/products/s57c4x-124468 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0ed580b-a39e-4888-9c65-eaab4942739b.png?v=1791719987 Quetiapine Impurity 68, 99.70% Quetiapine Impurity 68|C4X-124468 https://www.jk-sci.com/products/a01954849 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337495.png?v=1791756382 2-(4-Chlorophenoxy)-2-methylpropionic acid, 98% | 882-09-7 2-(4-Chlorophenoxy)-2-methylpropionic acid, 98%|954849|882-09-7 https://www.jk-sci.com/products/s57c4x-12453 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b0e8a95569a275ca12569d5db04ddff.jpg?v=1791719977 Cefuroxime Sodium EP Impurity C, 95.30% | 69822-88-4 Cefuroxime Sodium EP Impurity C|C4X-12453|69822-88-4 https://www.jk-sci.com/products/a01954984 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273934.png?v=1791756374 N-Boc-1,6-diaminohexane, 97% | 51857-17-1 N-Boc-1,6-diaminohexane, 97%|954984|51857-17-1 https://www.jk-sci.com/products/s57c4x-12454 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c970539654fd1b7ee7c3245c24f167f7.jpg?v=1791719971 Cefuroxime Sodium EP Impurity D, 90.50% | 76598-06-6 Cefuroxime Sodium EP Impurity D|C4X-12454|76598-06-6 https://www.jk-sci.com/products/s57c4x-12456 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/871cb9710e3bf52344d5649fcbd93b75.jpg?v=1791719967 Cefuroxime Sodium EP Impurity F, 91.00% | 97170-19-9 Cefuroxime Sodium EP Impurity F|C4X-12456|97170-19-9 https://www.jk-sci.com/products/s57c4x-12458 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3be5d1a4550883b28d19590c34281fb.jpg?v=1791719962 Cefuroxime Sodium EP Impurity H(Cefuroxime Axetil EP Impurity E), 92.70% | 947723-87-7 Cefuroxime Sodium EP Impurity H(Cefuroxime Axetil EP Impurity E)|C4X-12458|947723-87-7 https://www.jk-sci.com/products/s57c4x-12462 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06463e9ccb88f743ed596d1ae39ff477.jpg?v=1791719962 Ambrisentan Impurity 2, 99.10% | 1639429-81-4 Ambrisentan Impurity 2|C4X-12462|1639429-81-4 https://www.jk-sci.com/products/s57c4x-12466 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1afaa763ecab9b1c13ce32a0103fb0d.jpg?v=1791719955 Ambrisentan Impurity 6, 99.40% | 1007358-76-0 Ambrisentan Impurity 6|C4X-12466|1007358-76-0 https://www.jk-sci.com/products/s57c4x-124711 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1142165.png?v=1791719953 Bisoprolol EP Impurity K, 94.50% | 864544-37-6 Bisoprolol EP Impurity K|C4X-124711|864544-37-6 https://www.jk-sci.com/products/s57c4x-124719 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/551444_9e262c55-52a9-41cd-a752-cb5f44fea3ff.png?v=1791719946 Bisoprolol EP Impurity S, 99.50% | 123-08-0 Bisoprolol EP Impurity S|C4X-124719|123-08-0 https://www.jk-sci.com/products/a01955340 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126415.png?v=1791756350 2-[Bis(methylthio)methylene]malononitrile, 97% | 5147-80-8 2-[Bis(methylthio)methylene]malononitrile, 97%|955340|5147-80-8 https://www.jk-sci.com/products/s57c4x-124736 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0623cc59fbb44570bc11f27a2601d5b.jpg?v=1791719936 Bisoprolol Impurity 36, 97.00% | 14697-49-5 Bisoprolol Impurity 36|C4X-124736|14697-49-5 https://www.jk-sci.com/products/s57c4x-124722 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d970bb35d6219b6ba5ab38ca3cb5e66.jpg?v=1791719943 Bisoprolol Impurity 22, 98.30% | 1447715-45-8 Bisoprolol Impurity 22|C4X-124722|1447715-45-8 https://www.jk-sci.com/products/s57c4x-124725 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91a9a70cfd31f87496716fba590ffd85.jpg?v=1791719938 Bisoprolol EP Impurity E(Mixture of Z and E Isomers), 93.70% | 1217245-60-7 Bisoprolol EP Impurity E(Mixture of Z and E Isomers)|C4X-124725|1217245-60-7 https://www.jk-sci.com/products/s57c4x-12474 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23d7678fa3960be7e242c047d8ff870e.jpg?v=1791719932 Bisoprolol EP Impurity D, 99.70% | 1225195-71-0 Bisoprolol EP Impurity D|C4X-12474|1225195-71-0 https://www.jk-sci.com/products/s57c4x-124747 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_48c9b9aa-23ff-4a7e-83b0-de741e4876ee.png?v=1791719927 Bisoprolol Impurity 47 TFA salt, Purity: 98.6% Bisoprolol Impurity 47 TFA salt|C4X-124747 https://www.jk-sci.com/products/s57c4x-12476 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57c53ad621e3979f6307f06c6d7502df.jpg?v=1791719927 Bisoprolol EP Impurity F, 99.50% | 1798418-82-2 Bisoprolol EP Impurity F|C4X-12476|1798418-82-2 https://www.jk-sci.com/products/s57c4x-1132112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359250_a6a3dacb-14ef-4d63-a235-0f3ffd0b38f2.png?v=1791722160 Atorvastatin Impurity 112, 95.10% | 459-57-4 Atorvastatin Impurity 112|C4X-1132112|459-57-4 https://www.jk-sci.com/products/s57c4x-1169186 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599052_bb6c7ce0-5eb8-4dd2-8bc7-cd445906be04.png?v=1791721180 Rosuvastatin Impurity 186, Purity: 100.0% | 61445-55-4 Rosuvastatin Impurity 186|C4X-1169186|61445-55-4 https://www.jk-sci.com/products/a01955588 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271136_e84b585f-b362-4f4f-98c8-787a7ab6ef21.png?v=1791756334 Sodium thiosulfate anhydrous, 98% | 7772-98-7 Sodium thiosulfate anhydrous, 98%|955588|7772-98-7 https://www.jk-sci.com/products/s57c4x-1194 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347456_1d3b22c9-7453-4bc7-824e-cca5c04def4b.png?v=1791720840 Lamivudine, 99.90% | 134678-17-4 Lamivudine|C4X-1194|134678-17-4 https://www.jk-sci.com/products/s57c4x-11482 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a27543c885536def332f0fecf68d443b_c0cd90fc-e24a-4b53-95a9-bf70af290fbf.jpg?v=1791721667 Amoxicillin EP Impurity A(Sulbactam EP Impurity B), 99.30% | 551-16-6 Amoxicillin EP Impurity A(Sulbactam EP Impurity B)|C4X-11482|551-16-6 https://www.jk-sci.com/products/s57c4x-117628 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9928b7c164738a1e7be684eb352e2416.jpg?v=1791721087 Salbutamol Impurity 28, 97.60% | 174607-68-2 Salbutamol Impurity 28|C4X-117628|174607-68-2 https://www.jk-sci.com/products/s57c4x-1208184 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_032389b1-8277-4623-91ea-247d2cab6888.png?v=1791720645 Posaconazole Impurity 184, 98.60% Posaconazole Impurity 184|C4X-1208184 https://www.jk-sci.com/products/s57c4x-1187 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504141_5f04a824-f63c-4c10-852c-9c8da5e44c2c.png?v=1791720942 Tamsulosin Hydrochloride, 95.10% | 106463-17-6 Tamsulosin Hydrochloride|C4X-1187|106463-17-6 https://www.jk-sci.com/products/s57c4x-119882 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba7ce7033a0aae1cf31013e4a68e8ac4.jpg?v=1791720758 Eltrombopag Impurity 82, 98.30% | 725241-64-5 Eltrombopag Impurity 82|C4X-119882|725241-64-5 https://www.jk-sci.com/products/a01955456 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122520.png?v=1791756346 4-(4-Pyridyl)morpholine, 97% | 2767-91-1 4-(4-Pyridyl)morpholine, 97%|955456|2767-91-1 https://www.jk-sci.com/products/s57c4x-116322 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_29b24e9b-b387-471f-b67b-76aafa857337.png?v=1791721408 Ceftriaxone Impurity 22, 90.30% Ceftriaxone Impurity 22|C4X-116322 https://www.jk-sci.com/products/s57c4x-120317 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303566c8323107a064065b8d50eab0bf.jpg?v=1791720704 Bupropion Impurity 17, 90.90% | 10557-17-2 Bupropion Impurity 17|C4X-120317|10557-17-2 https://www.jk-sci.com/products/s57c4x-11981 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c911469c-6c57-4996-a986-e0a410c33665.png?v=1791720786 Eltrombopag N-Oxide Impurity, 99.00% Eltrombopag N-Oxide Impurity|C4X-11981 https://www.jk-sci.com/products/a01956078 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538827.png?v=1791756309 (R)-(+)-tert-Butylsulfinamide, 98% | 196929-78-9 (R)-(+)-tert-Butylsulfinamide, 98%|956078|196929-78-9 https://www.jk-sci.com/products/s57c4x-1208 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814042_8d9d4f1b-c05c-4240-81ad-1615df79e9ca.png?v=1791720671 Posaconazole, 98.80% | 171228-49-2 Posaconazole|C4X-1208|171228-49-2 https://www.jk-sci.com/products/s57c4x-12104 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a95c57163f816355277659a85fae39f3.jpg?v=1791720562 Cefdinir CP Impurity S, 91.20% | 127770-93-8 Cefdinir CP Impurity S|C4X-12104|127770-93-8 https://www.jk-sci.com/products/s57c4x-120849 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a9027eb4c349eab66a843cafcf1495.jpg?v=1791720599 Posaconazole Impurity 49, 94.00% | 1902954-05-5 Posaconazole Impurity 49|C4X-120849|1902954-05-5 https://www.jk-sci.com/products/a01956097 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118069_bed09b29-0a4d-489b-b915-69d8155e9d38.png?v=1791756305 Substance P, 95% | 33507-63-0 Substance P, 95%|956097|33507-63-0 https://www.jk-sci.com/products/s57c4x-12113 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414970_2f12591c-c831-4f51-b727-747a568823b5.png?v=1791720526 Paracetamol EP Impurity A, 99.90% | 614-80-2 Paracetamol EP Impurity A|C4X-12113|614-80-2 https://www.jk-sci.com/products/s57c4x-12123 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc62c9cb81c42860d23f7cfa8d811d13.jpg?v=1791720508 Ceftazidime EP Impurity C, 93.40% | 3432-88-0 Ceftazidime EP Impurity C|C4X-12123|3432-88-0 https://www.jk-sci.com/products/a01956134 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d02f790-e22a-45f6-98da-c83a63f60587.png?v=1791756301 Dextran, Average M.W.: 10000 | 9004-54-0 Dextran, Average M.W.: 10000|956134|9004-54-0 https://www.jk-sci.com/products/s57c4x-121351 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cf5f148f-7bac-421c-add0-c086f6653089.png?v=1791720487 Roxatidine Impurity 51, 95.30% Roxatidine Impurity 51|C4X-121351 https://www.jk-sci.com/products/s57c4x-12152 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615886_8f96bc7f-f16d-4734-920a-e7fb50193a09.png?v=1791720471 Cefradine EP Impurity B, 93.50% | 26774-88-9 Cefradine EP Impurity B|C4X-12152|26774-88-9 https://www.jk-sci.com/products/s57c4x-122029 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cae0e1f2-e2de-457e-a176-e0070ab95e0d.png?v=1791720453 Metformin EP Impurity E Sulfate, 88.70% | 36801-25-9 Metformin EP Impurity E Sulfate|C4X-122029|36801-25-9 https://www.jk-sci.com/products/a01956184 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268659.png?v=1791756297 Pyridaben, 98%, reference material | 96489-71-3 Pyridaben, 98%, reference material|956184|96489-71-3 https://www.jk-sci.com/products/s57c4x-12223 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30c652cc72544ae81857930c7fa1cc94.jpg?v=1791720434 Calcipotriol EP Impurity C, 96.50% | 113082-99-8 Calcipotriol EP Impurity C|C4X-12223|113082-99-8 https://www.jk-sci.com/products/s57c4x-12255 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c43b33640ca6f1a21bd9e9c2c8ae07fa.jpg?v=1791720404 Trimethoprim EP Impurity E, 94.00% | 60729-91-1 Trimethoprim EP Impurity E|C4X-12255|60729-91-1 https://www.jk-sci.com/products/a01956227 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/280579_2c8ffafd-6cdb-4027-bbc7-464fa3cb5aef.png?v=1791756293 Bis(diphenylphosphine)acetylene, 97% | 5112-95-8 Bis(diphenylphosphine)acetylene, 97%|956227|5112-95-8 https://www.jk-sci.com/products/s57c4x-12273 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/403789_997866fd-2c70-49be-9925-ec30b4701ffa.png?v=1791720389 Oxybuprocaine Impurity 3, 99.90% | 2374-03-0 Oxybuprocaine Impurity 3|C4X-12273|2374-03-0 https://www.jk-sci.com/products/s57c4x-12344 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c45666453e205badbb18d7813391967.jpg?v=1791720295 Candesartan Cilexetil EP Impurity D, 99.10% | 1185256-03-4 Candesartan Cilexetil EP Impurity D|C4X-12344|1185256-03-4 https://www.jk-sci.com/products/s57c4x-123017 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fecae2722682b090acf13c250abba59.jpg?v=1791720374 Dexmedetomidine Impurity 17, Purity: 99.0% | 33967-19-0 Dexmedetomidine Impurity 17|C4X-123017|33967-19-0 https://www.jk-sci.com/products/s57c4x-123247 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_620aa06e-afdb-4537-a1b4-94e5a3439e61.png?v=1791720318 Emtricitabine impurity 47, 99.00% Emtricitabine impurity 47|C4X-123247 https://www.jk-sci.com/products/s57c4x-12304 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55054413d5e1b1b8a09a275e1b9591e1.jpg?v=1791720354 Dexmedetomidine Impurity 4, 100.00% | 1021949-47-2 Dexmedetomidine Impurity 4|C4X-12304|1021949-47-2 https://www.jk-sci.com/products/s57c4x-123066 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2f693b28-6eda-4285-9821-fc8435011ed0.png?v=1791720343 Dexmedetomidine Impurity 66, 96.70% Dexmedetomidine Impurity 66|C4X-123066 https://www.jk-sci.com/products/a01956515 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/286148_fa66d662-3c47-4f0c-af90-548f1f489660.png?v=1791756276 3-Amino-1H-pyrazole-4-carboxamide, 97% | 5334-31-6 3-Amino-1H-pyrazole-4-carboxamide, 97%|956515|5334-31-6 https://www.jk-sci.com/products/s57c4x-123515 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34c23e46d19859acfa56b39f3afbd533_39ac2ad8-5fd1-4311-b4a0-b963c46cfb80.jpg?v=1791720278 Piracetam Impurity 15, Purity: 100.0% | 2996-58-9 Piracetam Impurity 15|C4X-123515|2996-58-9 https://www.jk-sci.com/products/a01956661 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148177.png?v=1791756272 Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate, 98% | 84793-24-8 Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate, 98%|956661|84793-24-8 https://www.jk-sci.com/products/s57c4x-123619 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3944b428-b320-4b99-9569-a155cf5b1ca7.png?v=1791720226 Isavuconazole Impurity 19, 99.60% Isavuconazole Impurity 19|C4X-123619 https://www.jk-sci.com/products/s57c4x-1236103 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_517bc9ea-4f91-435e-a99e-7d1d9c9de8e4.png?v=1791720245 Isavuconazole Impurity 103, 98.30% Isavuconazole Impurity 103|C4X-1236103 https://www.jk-sci.com/products/s57c4x-123621 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b859a7a4-d88e-478b-84d7-d75e30b8cd09.png?v=1791720221 Isavuconazole Impurity 21, Purity: 99.4% Isavuconazole Impurity 21|C4X-123621 https://www.jk-sci.com/products/s57c4x-123627 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b2bb3a4-fea1-4b1a-92af-1e9120831dfe.png?v=1791720210 Isavuconazole Impurity 27 DiHCl, 87.20% Isavuconazole Impurity 27 DiHCl|C4X-123627 https://www.jk-sci.com/products/s57c4x-123631 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281958_75fa9a57-61d3-49f0-9d81-c6e3607eecba.png?v=1791720202 Isavuconazole Impurity 31, Purity: 99.2% | 20099-89-2 Isavuconazole Impurity 31|C4X-123631|20099-89-2 https://www.jk-sci.com/products/s57c4x-123638 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/918919_742e61e0-6044-4339-ab38-280bd93e5e1c.png?v=1791720196 Isavuconazole Impurity 38, 99.80% | 32399-12-5 Isavuconazole Impurity 38|C4X-123638|32399-12-5 https://www.jk-sci.com/products/a01956745 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2811678aaff3e5e1507040535e5c422.jpg?v=1791756264 2,9-Diphenyl-1,10-phenanthroline, 98% | 25677-69-4 2,9-Diphenyl-1,10-phenanthroline, 98%|956745|25677-69-4 https://www.jk-sci.com/products/s57c4x-123660 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404882_14443de6-d652-447e-95cb-9eb80da517ed.png?v=1791720182 Isavuconazole Impurity 60, 99.50% | 123-73-9 Isavuconazole Impurity 60|C4X-123660|123-73-9 https://www.jk-sci.com/products/s57c4x-12373 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e6a0b16-cc27-401b-9176-190d394d1774.png?v=1791720152 Picosulfate EP Impurity C, 75.90% Picosulfate EP Impurity C|C4X-12373 https://www.jk-sci.com/products/s57c4x-123678 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dfac1d5956d90522be393fae9c69d7d_b5419de6-7b87-4252-bedd-80199ea06910.jpg?v=1791720176 Isavuconazole Impurity 78, Purity: 97.3% | 483340-19-8 Isavuconazole Impurity 78|C4X-123678|483340-19-8 https://www.jk-sci.com/products/s57c4x-123711 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598a48bc914331ba4f4e3248819ee149.jpg?v=1791720163 Sodium Picosulfate Impurity 11, 99.70% | 1121-60-4 Sodium Picosulfate Impurity 11|C4X-123711|1121-60-4 https://www.jk-sci.com/products/s57c4x-123698 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c4baf46f-9dfd-40ce-aba5-e31db3c1d7ba.png?v=1791720167 Isavuconazole Impurity 98, 92.60% Isavuconazole Impurity 98|C4X-123698 https://www.jk-sci.com/products/s57c4x-123815 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/063846eb5f5eeb9817dbb710e11006af.jpg?v=1791720142 Zopiclone Impurity 15, 99.00% | 4180-30-7 Zopiclone Impurity 15|C4X-123815|4180-30-7 https://www.jk-sci.com/products/s57c4x-123911 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9b95f265c0c96d3a02e78ef25b310c.jpg?v=1791720124 p-Toluenesulfonyl Hydrazide, 99.80% | 1576-35-8 p-Toluenesulfonyl Hydrazide|C4X-123911|1576-35-8 https://www.jk-sci.com/products/a01957029 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389298.png?v=1791756252 4-Oxo-4H-1-benzopyran-2-carboxylicacid, 98% | 4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylicacid, 98%|957029|4940-39-0 https://www.jk-sci.com/products/s57c4x-12395 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1364ca9586b0bf564b281fa6a129dc49.jpg?v=1791720109 Anastrozole EP Impurity D, 98.20% | 1027160-12-8 Anastrozole EP Impurity D|C4X-12395|1027160-12-8 https://www.jk-sci.com/products/s57c4x-123916 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cd57473d2c400610427841f753cd3de.jpg?v=1791720120 Anastrozole Impurity 16, 94.60% | 120512-04-1 Anastrozole Impurity 16|C4X-123916|120512-04-1 https://www.jk-sci.com/products/s57c4x-124012 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abca355c55ea53d7c7035a3c34c99536.jpg?v=1791720098 Ziprasidone Impurity 12, Purity: 98.0% | 884305-08-2 Ziprasidone Impurity 12|C4X-124012|884305-08-2 https://www.jk-sci.com/products/a01957253 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122684.png?v=1791756244 3-(1-(tert-Butoxycarbonyl)piperidin-4-yl)propanoic acid, 97% | 154775-43-6 3-(1-(tert-Butoxycarbonyl)piperidin-4-yl)propanoic acid, 97%|957253|154775-43-6 https://www.jk-sci.com/products/s57c4x-124031 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e53e4141f5f9d75096ad5be598e4409d.jpg?v=1791720086 Ziprasidone EP Impurity C, 91.70% | 1159977-64-6 Ziprasidone EP Impurity C|C4X-124031|1159977-64-6 https://www.jk-sci.com/products/s57c4x-12408 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472583_120a6162-c5e3-413d-81c8-c0d6897e12ab.png?v=1791720080 Ziprasidone EP Impurity A HCl, Purity: 99.9% | 87691-88-1 Ziprasidone EP Impurity A HCl|C4X-12408|87691-88-1 https://www.jk-sci.com/products/s57c4x-124137 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91914987045a70473e1b8466d8818efe.jpg?v=1791720070 Minodronic Acid, 99.60% | 180064-38-4 Minodronic Acid|C4X-124137|180064-38-4 https://www.jk-sci.com/products/s57c4x-124217 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/703c34274c1cff8796e4a65af9406dca.jpg?v=1791720065 Rocuronium Impurity 17, 88.50% | 963-75-7 Rocuronium Impurity 17|C4X-124217|963-75-7 https://www.jk-sci.com/products/s57c4x-12423 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8dd66062f8f574a9864a0f28bff983b.jpg?v=1791720055 Rocuronium EP Impurity C, Purity: 98.7% | 119302-86-2 Rocuronium EP Impurity C|C4X-12423|119302-86-2 https://www.jk-sci.com/products/s57c4x-124260 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_84a9c8ce-d7ee-4d9a-a384-42df48e1b6d5.png?v=1791720046 Rocuronium Impurity 60, 90.60% Rocuronium Impurity 60|C4X-124260 https://www.jk-sci.com/products/s57c4x-124415 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9de5bd2d6672802d15855bea9e795ab.jpg?v=1791720031 Quetiapine EP Impurity D, 95.20% | 945668-94-0 Quetiapine EP Impurity D|C4X-124415|945668-94-0 https://www.jk-sci.com/products/s57c4x-12434 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3594fab1fdcfafc33bfb937c64eb717.jpg?v=1791720041 Efinaconazole Impurity 4, Purity: 99.5% | 135270-05-2 Efinaconazole Impurity 4|C4X-12434|135270-05-2 https://www.jk-sci.com/products/s57c4x-124421 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b5847674ec6f9e3fedc324f4f11e769.jpg?v=1791720027 Quetiapine EP Impurity W, 99.10% | 1800608-95-0 Quetiapine EP Impurity W|C4X-124421|1800608-95-0 https://www.jk-sci.com/products/a01957352 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3aced3e11142e2beee6625731f790c4c.jpg?v=1791756239 1,3,3-Trimethyl-3,4-dihydroisoquinoline, 97% | 79023-51-1 1,3,3-Trimethyl-3,4-dihydroisoquinoline, 97%|957352|79023-51-1 https://www.jk-sci.com/products/s57c4x-124433 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157622_c18c863c-84cb-42f5-9a07-1f182e4d94d7.png?v=1791720016 Quetiapine EP Impurity S, 94.60% | 329216-63-9 Quetiapine EP Impurity S|C4X-124433|329216-63-9 https://www.jk-sci.com/products/a01957667 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/187a4500f580b6b266ac93d74097a4b0.jpg?v=1793051972 2-(t-Butylphenylphosphino)-2',6'-dimethylamino-1,1'-biphenyl, 98% | 1660153-91-2 2-(t-Butylphenylphosphino)-2',6'-dimethylamino-1,1'-biphenyl, 98%|957667|1660153-91-2 https://www.jk-sci.com/products/s57c4x-124457 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a01922d6-27ed-431a-98b4-4e218365ded0.png?v=1791720000 Quetiapine Impurity 57, 97.00% Quetiapine Impurity 57|C4X-124457 https://www.jk-sci.com/products/s57c4x-124461 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ef326550fa96cc5d18f8a81729d6cf6.jpg?v=1791719991 Quetiapine Impurity 61, 100.00% | 65141-02-8 Quetiapine Impurity 61|C4X-124461|65141-02-8 https://www.jk-sci.com/products/s57c4x-124471 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e93b0aeae44be85dc8cf8802e663b5bf.jpg?v=1791719986 Quetiapine impurity 71, Purity: 96.0% | 1798293-04-5 Quetiapine impurity 71|C4X-124471|1798293-04-5 https://www.jk-sci.com/products/s57c4x-124520 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba2a88c81d81be8af70feacea8f9446c.jpg?v=1791719978 Cefuroxime Sodium EP Impurity I, 89.10% | 39684-61-2 Cefuroxime Sodium EP Impurity I|C4X-124520|39684-61-2 https://www.jk-sci.com/products/s57c4x-12455 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6e93c3938919177cef9615b9ed0def.jpg?v=1791719968 Cefuroxime Sodium EP Impurity E, Purity: 96.2% | 97232-97-8 Cefuroxime Sodium EP Impurity E|C4X-12455|97232-97-8 https://www.jk-sci.com/products/s57c4x-1246 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831916_ec8cfb08-1ce4-4dc2-b7e1-1c065f7f8695.png?v=1791719963 Ambrisentan, 99.40% | 177036-94-1 Ambrisentan|C4X-1246|177036-94-1 https://www.jk-sci.com/products/s57c4x-12472 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/112fc84809d3c23320afed632c2a15db.jpg?v=1791719943 Bisoprolol EP Impurity B, 94.80% | 1447715-44-7 Bisoprolol EP Impurity B|C4X-12472|1447715-44-7 https://www.jk-sci.com/products/a01144601 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522267.png?v=1791777394 2-Acetamidopyridine-5-carboxylic acid, 97% | 21550-48-1 2-Acetamidopyridine-5-carboxylic acid, 97%|144601|21550-48-1 https://www.jk-sci.com/products/s57c4x-12471 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5700d878f6a8a7695ad7f5d313197a8d.jpg?v=1791719952 Bisoprolol EP Impurity A, 96.60% | 62572-93-4 Bisoprolol EP Impurity A|C4X-12471|62572-93-4 https://www.jk-sci.com/products/s57c4x-124737 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3387422093ece8260ef6dbb3ff9f5750.jpg?v=1791719933 Bisoprolol Impurity 37, 97.20% | 4204-78-8 Bisoprolol Impurity 37|C4X-124737|4204-78-8 https://www.jk-sci.com/products/s57c4x-124755 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebebacec16f95f24ba5934d156c5f5db.jpg?v=1791719927 Bisoprolol Impurity 55, 95.60% | 2417155-08-7 Bisoprolol Impurity 55|C4X-124755|2417155-08-7 https://www.jk-sci.com/products/a01145159 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145159_b3674232-5395-486c-8941-06c71588c52f.png?v=1791777363 Melanotan II, 98% | 121062-08-6 Melanotan II, 98%|145159|121062-08-6 https://www.jk-sci.com/products/s57c4x-124789 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc9bd3ece8fbe8cf0b1e4e113c9c8716.jpg?v=1791719917 Bisoprolol Impurity 89, 99.90% | 2417155-12-3 Bisoprolol Impurity 89|C4X-124789|2417155-12-3 https://www.jk-sci.com/products/s57c4x-12483 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3687df69879380fe9cd11ee914976601.jpg?v=1791719902 Valaciclovir EP Impurity C, Purity: 98.3% | 1346747-65-6 Valaciclovir EP Impurity C|C4X-12483|1346747-65-6 https://www.jk-sci.com/products/s57c4x-124824 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212279.png?v=1791719911 Valaciclovir EP Impurity G, 98.90% | 1122-58-3 Valaciclovir EP Impurity G|C4X-124824|1122-58-3 https://www.jk-sci.com/products/s57c4x-124826 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03412f0fcbac39742d50c83b3e920cf1.jpg?v=1791719907 Valaciclovir EP Impurity H(hydrochloride), 91.40% | 84499-63-8 Valaciclovir EP Impurity H(hydrochloride)|C4X-124826|84499-63-8 https://www.jk-sci.com/products/s57c4x-124818 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_921ca830-91f0-4c8b-b3bd-3a2750c086ff.png?v=1791719916 Valaciclovir EP Impurity R hydrochloride, 91.20% Valaciclovir EP Impurity R hydrochloride|C4X-124818 https://www.jk-sci.com/products/s57c4x-124831 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260054.png?v=1791719898 Valaciclovir EP Impurity E, 96.40% | 124832-31-1 Valaciclovir EP Impurity E|C4X-124831|124832-31-1 https://www.jk-sci.com/products/a01145284 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145284.png?v=1791777360 Ethylene glycol bis(3-mercaptopropionate), 97% | 22504-50-3 Ethylene glycol bis(3-mercaptopropionate), 97%|145284|22504-50-3 https://www.jk-sci.com/products/s57c4x-12486 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b2cf9757-8939-486e-8e9d-e23dcfe0ec29.png?v=1791719891 Valaciclovir EP Impurity F(p-toluenesulfonic acid), 99.50% Valaciclovir EP Impurity F(p-toluenesulfonic acid)|C4X-12486 https://www.jk-sci.com/products/s57c4x-1252 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443fd952a20e49f464a1c2eb91f849dc.jpg?v=1791719888 Perindopril T-Butylamine, 98.20% | 107133-36-8 Perindopril T-Butylamine|C4X-1252|107133-36-8 https://www.jk-sci.com/products/s57c4x-124849 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a195ec89-50f3-4d55-9325-6e69d337d746.png?v=1791719893 N-Nitroso Valaciclovir EP Impurity C, 96.80% N-Nitroso Valaciclovir EP Impurity C|C4X-124849 https://www.jk-sci.com/products/s57c4x-125210 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0f1e743af41c161786a062194b5f869.jpg?v=1791719882 Perindopril Impurity 10, Purity: 98.3% | 144540-75-0 Perindopril Impurity 10|C4X-125210|144540-75-0 https://www.jk-sci.com/products/s57c4x-12522 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d533dc6a5df091808ae7b8ac92b8e91.jpg?v=1791719877 Perindopril EP Impurity D, 94.60% | 130061-28-8 Perindopril EP Impurity D|C4X-12522|130061-28-8 https://www.jk-sci.com/products/s57c4x-125229 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cafc2c469453ce6aa07d5ed0063bd931.jpg?v=1791719872 Perindopril Impurity 29, Purity: 100.0% | 82834-11-5 Perindopril Impurity 29|C4X-125229|82834-11-5 https://www.jk-sci.com/products/s57c4x-125227 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52d5ab00-b8d2-4c86-8d5b-2a8821d2596a.png?v=1791719877 Perindopril Impurity 27, Purity: 98.4% Perindopril Impurity 27|C4X-125227 https://www.jk-sci.com/products/s57c4x-125231 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_33dbe2b8-8f2e-4448-83bd-a21bf64e7c47.png?v=1791719866 Perindopril Impurity 31, Purity: 98.5% Perindopril Impurity 31|C4X-125231 https://www.jk-sci.com/products/s57c4x-125234 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f358514f-8fa4-416e-a12f-7f542a30d801.png?v=1791719860 Perindopril Impurity 34, 93.00% Perindopril Impurity 34|C4X-125234 https://www.jk-sci.com/products/s57c4x-125238 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304564.png?v=1791719861 Perindopril Impurity 38, 93.50% | 80828-13-3 Perindopril Impurity 38|C4X-125238|80828-13-3 https://www.jk-sci.com/products/a01145432 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145432.png?v=1791777356 Cefotaxime acid, 97% | 63527-52-6 Cefotaxime acid, 97%|145432|63527-52-6 https://www.jk-sci.com/products/s57c4x-12524 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/833169.png?v=1791719856 Perindopril EP Impurity F, 94.20% | 129970-98-5 Perindopril EP Impurity F|C4X-12524|129970-98-5 https://www.jk-sci.com/products/a01145458 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297311.png?v=1791777356 4-Nitrobenzoic acid, 99% | 62-23-7 4-Nitrobenzoic acid, 99%|145458|62-23-7 https://www.jk-sci.com/products/s57c4x-12525 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281311.png?v=1791719851 Perindopril Related Compound B, 97.50% | 95153-31-4 Perindopril Related Compound B|C4X-12525|95153-31-4 https://www.jk-sci.com/products/s57c4x-125277 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c406cebf-b760-4d7d-8d5e-460b317502d0.png?v=1791719845 Perindopril EP impurity M, Purity: 97.8% Perindopril EP impurity M|C4X-125277 https://www.jk-sci.com/products/s57c4x-125283 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d45942c1-5eab-41c2-af72-f17358fa2ed0.png?v=1791719843 Perindopril Impurity 36 t-Butylamine, 98.60% Perindopril Impurity 36 t-Butylamine|C4X-125283 https://www.jk-sci.com/products/a01146235 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146235.png?v=1791777330 3-Hydroxybenzaldehyde, 99% | 100-83-4 3-Hydroxybenzaldehyde, 99%|146235|100-83-4 https://www.jk-sci.com/products/s57c4x-125311 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d0647978284554d894acb1a3817dc89.jpg?v=1791719839 Gatifloxacin Related Compound D(3-Desmethyl Gatifloxacin), 95.30% | 112811-57-1 Gatifloxacin Related Compound D(3-Desmethyl Gatifloxacin)|C4X-125311|112811-57-1 https://www.jk-sci.com/products/s57c4x-125317 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06332a91b8fbecffb6476c4daa7e586a.jpg?v=1791719837 Gatifloxacin Impurity 17, 73.90% | 1048972-28-6 Gatifloxacin Impurity 17|C4X-125317|1048972-28-6 https://www.jk-sci.com/products/s57c4x-12537 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ca48add1a227cec0f3c6aada94450e5.jpg?v=1791719832 Gatifloxacin Impurity 7, 96.50% | 172426-87-8 Gatifloxacin Impurity 7|C4X-12537|172426-87-8 https://www.jk-sci.com/products/s57c4x-12539 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68be0dc9a3da83f780c49d52c53157cd.jpg?v=1791719825 Gatifloxacin USP RC E, 93.80% | 1029364-65-5 Gatifloxacin USP RC E|C4X-12539|1029364-65-5 https://www.jk-sci.com/products/a01146612 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461016.png?v=1791777318 4-(Trifluoromethyl)benzoic acid, 99% | 455-24-3 4-(Trifluoromethyl)benzoic acid, 99%|146612|455-24-3 https://www.jk-sci.com/products/a01146749 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259007.png?v=1791777313 2-Morpholinobenzoic acid, 97% | 42106-48-9 2-Morpholinobenzoic acid, 97%|146749|42106-48-9 https://www.jk-sci.com/products/s57c4x-125419 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2b247bb4-1dfb-405d-a94f-04e7a0c9311d.png?v=1791719820 Tirofiban Impurity 19 DiHCl, 89.10% Tirofiban Impurity 19 DiHCl|C4X-125419 https://www.jk-sci.com/products/s57c4x-1255 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6533697682a3bb37ed63ecbdeb056145_180c63ee-0384-4bad-b589-6037719cb227.jpg?v=1791719815 Omeprazole, 99.10% | 73590-58-6 Omeprazole|C4X-1255|73590-58-6 https://www.jk-sci.com/products/s57c4x-12567 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b16df53302c1cbd0cf978591fde0dba.jpg?v=1791719799 Nilotinib-d3, Purity>95% | 1215678-43-5 Nilotinib-d3|C4X-12567|1215678-43-5 https://www.jk-sci.com/products/s57c4x-12563 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499054_a286d519-502a-49e1-b9ae-e017322b9c28.png?v=1791719803 Imatinib EP Impurity A, 98.80% | 55314-16-4 Imatinib EP Impurity A|C4X-12563|55314-16-4 https://www.jk-sci.com/products/s57c4x-12555 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fafd73212308281527335e938f2309d_c9bf9913-0b0a-41c4-a81a-6d470075d501.jpg?v=1791719814 Esomeprazole EP Impurity E(Omeprazole EP Impurity E), 99.10% | 176219-04-8 Esomeprazole EP Impurity E(Omeprazole EP Impurity E)|C4X-12555|176219-04-8 https://www.jk-sci.com/products/s57c4x-125622 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a1c241dd7689ce2d40885c1b0beffb6.jpg?v=1791719810 Nilotinib Impurity 22, Purity: 98.8% | 641569-96-2 Nilotinib Impurity 22|C4X-125622|641569-96-2 https://www.jk-sci.com/products/s57c4x-125626 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a4d6cb509847b6e3977b1cccc9eb51_e15fffc1-f27c-475d-9936-1ab4a54c5926.jpg?v=1791719805 Nilotinib Impurity 26, Purity: 99.4% | 641569-94-0 Nilotinib Impurity 26|C4X-125626|641569-94-0 https://www.jk-sci.com/products/a01256812 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256812.png?v=1791771665 5-Amino-4,6-dichloropyrimidine, 97% | 5413-85-4 5-Amino-4,6-dichloropyrimidine, 97%|256812|5413-85-4 https://www.jk-sci.com/products/s57c4x-125810 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d7feae6c-35c2-41fd-91f7-1870c321d62c.png?v=1791719793 Buspirone EP Impurity J HCl, 96.20% Buspirone EP Impurity J HCl|C4X-125810 https://www.jk-sci.com/products/a01256885 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256885_da84aa23-2dc1-43e0-8fe5-dd57b27d9434.png?v=1791771664 Z-His-OH, 98% | 14997-58-1 Z-His-OH, 98%|256885|14997-58-1 https://www.jk-sci.com/products/a012573654 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce103ae240b26bf92748425b6d0a3431.jpg?v=1791771644 PFN-Br, 98% | 889672-99-5 PFN-Br, 98%|2573654|889672-99-5 https://www.jk-sci.com/products/s57c4x-125816 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7353b8f6eaeeca2d30ed15266355f308.jpg?v=1791719783 Buspirone N-Oxide, 95.90% | 220747-81-9 Buspirone N-Oxide|C4X-125816|220747-81-9 https://www.jk-sci.com/products/s57c4x-12582 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/094ad8319106b18c9b5c12ea45f1036e.jpg?v=1791719777 Buspirone EP Impurity B, 96.20% | 81461-73-6 Buspirone EP Impurity B|C4X-12582|81461-73-6 https://www.jk-sci.com/products/s57c4x-125821 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c0eabb9af5e7b5831e2c2e712b94cf8.jpg?v=1791719778 Buspirone Impurity 21, 91.90% | 137583-05-2 Buspirone Impurity 21|C4X-125821|137583-05-2 https://www.jk-sci.com/products/s57c4x-125823 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6f332b60542f8cd4fae8d011bd5c6ad.jpg?v=1791719772 Buspirone Impurity 23, 95.00% | 20261-27-2 Buspirone Impurity 23|C4X-125823|20261-27-2 https://www.jk-sci.com/products/s57c4x-125825 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e99f3405c3fde2ad95697ec800f28a20.jpg?v=1791719767 Buspirone Impurity 25, 99.70% | 872826-80-7 Buspirone Impurity 25|C4X-125825|872826-80-7 https://www.jk-sci.com/products/a012575539 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9d83efa11d6704ccc25d482405f3565.jpg?v=1793053171 IEICO-4F, 99% | 2089044-02-8 IEICO-4F, 99%|2575539|2089044-02-8 https://www.jk-sci.com/products/s57c4x-12584 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77f8412f-32f8-4469-811a-0e8a1ba71c5d.png?v=1791719760 Buspirone EP Impurity D, 99.30% Buspirone EP Impurity D|C4X-12584 https://www.jk-sci.com/products/s57c4x-12586 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_488e1a4d-c72d-4adb-9435-a235134c276b.png?v=1791719758 Buspirone EP Impurity F, Purity: 95.4% Buspirone EP Impurity F|C4X-12586 https://www.jk-sci.com/products/a012575905 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8da64e9ff8912d829e914c9c77e5e901.jpg?v=1791771627 5,6-Dihydroxyindoline hydrobromide, 95% | 138937-28-7 5,6-Dihydroxyindoline hydrobromide, 95%|2575905|138937-28-7 https://www.jk-sci.com/products/s57c4x-126118 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b3c2443833b9934bcfbeeff4177f7a7.jpg?v=1791719745 Cephalexin Impurity 18, 94.20% | 34632-04-7 Cephalexin Impurity 18|C4X-126118|34632-04-7 https://www.jk-sci.com/products/s57c4x-12589 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d8ed8d02-1bb3-4d72-9fbd-5c01eba4c538.png?v=1791719755 Buspirone EP Impurity I, 99.60% Buspirone EP Impurity I|C4X-12589 https://www.jk-sci.com/products/s57c4x-12616 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91d2ff7c77f9bcb4028ab142b6cbb500.jpg?v=1791719744 Cefalexin EP Impurity F, 90.90% | 79750-46-2 Cefalexin EP Impurity F|C4X-12616|79750-46-2 https://www.jk-sci.com/products/s57c4x-1266 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1978cd0dd0fffa86f3ab7f1b18aa2fd_d9adff9a-48f6-49e3-a59b-918d33ace448.jpg?v=1791719734 Nintedanib, 98.50% | 656247-17-5 Nintedanib|C4X-1266|656247-17-5 https://www.jk-sci.com/products/s57c4x-1265 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f7dff102e26eae41df99b8f6f384007.jpg?v=1791719740 Clomipramine Hydrochloride, 99.60% | 17321-77-6 Clomipramine Hydrochloride|C4X-1265|17321-77-6 https://www.jk-sci.com/products/s57c4x-126731 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/995f19cd2106363584516a007643659f_f775658e-d10e-4284-9868-d8757969cfc1.jpg?v=1791719714 Ixazomib Impurity 31, 97.0%(qNMR:95.5%) | 50-73-7 Ixazomib Impurity 31|C4X-126731|50-73-7 https://www.jk-sci.com/products/s57c4x-126719 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1bd5cf19d211027c963def34ebe4288.jpg?v=1791719722 Lxazomib Citrate, 98.60% | 1239908-20-3 Lxazomib Citrate|C4X-126719|1239908-20-3 https://www.jk-sci.com/products/s57c4x-126710 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622a24333ecc47814cb1ac0112569a23.jpg?v=1791719728 Ixazomib Impurity 10, 99.60% | 667403-46-5 Ixazomib Impurity 10|C4X-126710|667403-46-5 https://www.jk-sci.com/products/s57c4x-12674 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_45a588bb-10a9-4c1e-af0c-8f518e4e413b.png?v=1791719701 Ixazomib Impurity 4, 96.10% Ixazomib Impurity 4|C4X-12674 https://www.jk-sci.com/products/a01258058 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258058_f8a83f51-08c1-4f76-b9d5-4695c94faee0.png?v=1791771601 4-Fluorobenzophenone, 98% | 345-83-5 4-Fluorobenzophenone, 98%|258058|345-83-5 https://www.jk-sci.com/products/s57c4x-12664 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14fe9eec7e0c37304c07e31bab08ec61.jpg?v=1791719734 Nintedanib Impurity N4, 94.40% | 1987887-92-2 Nintedanib Impurity N4|C4X-12664|1987887-92-2 https://www.jk-sci.com/products/s57c4x-126729 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31d72a49c66b2139a95e5d6870a2017d.jpg?v=1791719718 Ixazomib Impurity 29, 90.50% | 1201903-03-8 Ixazomib Impurity 29|C4X-126729|1201903-03-8 https://www.jk-sci.com/products/a01258897 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/474839.png?v=1791771570 Cyclopropylcarbamidine hydrochloride, 97% | 57297-29-7 Cyclopropylcarbamidine hydrochloride, 97%|258897|57297-29-7 https://www.jk-sci.com/products/s57c4x-126738 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df844abe-5a9a-4982-8780-73979819bd4d.png?v=1791719705 Ixazomib Impurity 38, Purity: 98.6% Ixazomib Impurity 38|C4X-126738 https://www.jk-sci.com/products/s57c4x-126736 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495088_48b0282d-267f-4cab-acc6-9ec8ed73e255.png?v=1791719713 Ixazomib Impurity 6, 99.10% | 76-09-5 Ixazomib Impurity 6|C4X-126736|76-09-5 https://www.jk-sci.com/products/s57c4x-126745 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9b623931-518b-4fbb-9e8f-98c529cda0de.png?v=1791719697 Ixazomib Impurity 45, Purity: 100.0% Ixazomib Impurity 45|C4X-126745 https://www.jk-sci.com/products/s57c4x-12675 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_02eac7a2-933d-4f1c-8cd4-0849fba46ab9.png?v=1791719693 Ixazomib Impurity 5, Purity: 96.4% Ixazomib Impurity 5|C4X-12675 https://www.jk-sci.com/products/a01259262 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259262.png?v=1791771563 Acid Red 52, dye content 75% | 3520-42-1 Acid Red 52, dye content 75%|259262|3520-42-1 https://www.jk-sci.com/products/s57c4x-126765 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/611296.png?v=1791719685 Ixazomib Impurity 65, 99.40% | 50-74-8 Ixazomib Impurity 65|C4X-126765|50-74-8 https://www.jk-sci.com/products/s57c4x-126753 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5e9eb9c4-ebce-43ac-983e-5ec7f20df6b8.png?v=1791719689 Ixazomib Impurity 53, Purity: 98.2% Ixazomib Impurity 53|C4X-126753 https://www.jk-sci.com/products/s57c4x-12678 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd8f75de-1361-42a3-b724-15b239f3182d.png?v=1791719685 Ixazomib Impurity 8, 99.90% Ixazomib Impurity 8|C4X-12678 https://www.jk-sci.com/products/a01259777 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259777_9ba637c1-3699-4cec-9cab-0769c2f313f3.png?v=1791771529 1-(β-D-Arabinofuranosyl)uracil, 98% | 3083-77-0 1-(β-D-Arabinofuranosyl)uracil, 98%|259777|3083-77-0 https://www.jk-sci.com/products/s57c4x-12689 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9c8d923-4754-4492-a29f-e110fb42ea83.png?v=1791719674 Nalmefene Impurity 9, 97.40% Nalmefene Impurity 9|C4X-12689 https://www.jk-sci.com/products/s57c4x-126812 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a883b9eb1faff52cedf88267b989888.jpg?v=1791719680 Nalmefene Impurity 12, 98.10% | 176220-84-1 Nalmefene Impurity 12|C4X-126812|176220-84-1 https://www.jk-sci.com/products/s57c4x-127027 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3399918f15ae582933965a3f1a86a6e5.jpg?v=1791719666 Cefaclor EP Impurity C, 94.40% | 143059-69-2 Cefaclor EP Impurity C|C4X-127027|143059-69-2 https://www.jk-sci.com/products/s57c4x-12701 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508214_aa81ee97-58cb-4e97-b2c6-d487a61eb91e.png?v=1791719670 Cefaclor EP Impurity A, Purity: 100.0% | 875-74-1 Cefaclor EP Impurity A|C4X-12701|875-74-1 https://www.jk-sci.com/products/a01259815 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259815.png?v=1791771528 2-Ethynyl-1,3,5-trimethylbenzene, 97% | 769-26-6 2-Ethynyl-1,3,5-trimethylbenzene, 97%|259815|769-26-6 https://www.jk-sci.com/products/s57c4x-127043 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df6e439418f7bbbd389bcfe2d26f94a8_e9d868f5-eb5b-4ef1-8bdb-49e774662b70.jpg?v=1791719661 Cefaclor Impurity 43, Purity: 99.9% | 2882-18-0 Cefaclor Impurity 43|C4X-127043|2882-18-0 https://www.jk-sci.com/products/a01259852 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125079.png?v=1791771528 6-Hydroxynicotinic acid, 98.5% | 5006-66-6 6-Hydroxynicotinic acid, 98.5%|259852|5006-66-6 https://www.jk-sci.com/products/s57c4x-12707 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11473da6020ff34ed769ddf885d3609f.jpg?v=1791719655 Cefaclor EP Impurity G-Isomer 1, 97.70% | 67308-21-8 Cefaclor EP Impurity G-Isomer 1|C4X-12707|67308-21-8 https://www.jk-sci.com/products/s57c4x-12709 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361609_c7519896-c6d0-4d8e-a147-6807b65d6dc2.png?v=1791719651 Cefaclor Impurity 9, 95.30% | 6485-67-2 Cefaclor Impurity 9|C4X-12709|6485-67-2 https://www.jk-sci.com/products/s57c4x-127123 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8bf2877bd83e0246f929963d57b6068.jpg?v=1791719649 Bendamustine Dimer Impurity, 96.90% | 1228551-91-4 Bendamustine Dimer Impurity|C4X-127123|1228551-91-4 https://www.jk-sci.com/products/s57c4x-12721 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397398_e542a335-6b64-49ee-bb0a-d3dd2dcd9f95.png?v=1791719645 Nifuratel Impurity 1, 99.70% | 92-55-7 Nifuratel Impurity 1|C4X-12721|92-55-7 https://www.jk-sci.com/products/s57c4x-127229 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311876.png?v=1791719631 Nifuratel Impurity 29, Purity: 100.0% | 698-63-5 Nifuratel Impurity 29|C4X-127229|698-63-5 https://www.jk-sci.com/products/s57c4x-127211 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93d244b6771c40b51e653814d0fe3b9f.jpg?v=1791719641 Nifuratel Impurity 11, Purity: 98.1% | 645-12-5 Nifuratel Impurity 11|C4X-127211|645-12-5 https://www.jk-sci.com/products/s57c4x-12848 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/444183_0818ae1e-097d-4a0a-ab8b-d10579e9a70e.png?v=1791719627 Cefazolin EP Impurity E(Cefazolin USP RC E), 99.30% | 29490-19-5 Cefazolin EP Impurity E(Cefazolin USP RC E)|C4X-12848|29490-19-5 https://www.jk-sci.com/products/a01260351 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260351.png?v=1791771501 (±)-α-Bisabolol, 85% | 515-69-5 (±)-α-Bisabolol, 85%|260351|515-69-5 https://www.jk-sci.com/products/a01260478 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/379702.png?v=1791771493 2-Chloro-5-(trifluoromethyl)pyridine, 98% | 52334-81-3 2-Chloro-5-(trifluoromethyl)pyridine, 98%|260478|52334-81-3 https://www.jk-sci.com/products/a01260946 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355271.png?v=1791771473 2-Bromo-5-methylpyridine, 98% | 3510-66-5 2-Bromo-5-methylpyridine, 98%|260946|3510-66-5 https://www.jk-sci.com/products/s57c4x-118831 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ff6e0398-2a13-41b7-b738-c73fbad100ef.png?v=1791720896 Chlorphenamine EP Impurity D HCI, 98.60% Chlorphenamine EP Impurity D HCI|C4X-118831 https://www.jk-sci.com/products/a01261593 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367832.png?v=1791771454 4-Ethoxyphenylboronic acid, 98% | 22237-13-4 4-Ethoxyphenylboronic acid, 98%|261593|22237-13-4 https://www.jk-sci.com/products/s57c4x-120349 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232700_f5c26f2b-6bdf-4930-afae-bd0c56da6aba.png?v=1791720689 Bupropion Impurity 49, 98.60% | 535-80-8 Bupropion Impurity 49|C4X-120349|535-80-8 https://www.jk-sci.com/products/s57c4x-119858 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274985_cdf86bc4-63d5-446a-8296-d7fcc7593b7f.png?v=1791720769 Eltrombopag Impurity 58, Purity: 100.0% | 5720-05-8 Eltrombopag Impurity 58|C4X-119858|5720-05-8 https://www.jk-sci.com/products/a01261804 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261804_66c099d3-3a9f-4151-bdbb-96170fd02159.png?v=1791771450 6-Bromo-3-formylchromone, 97% | 52817-12-6 6-Bromo-3-formylchromone, 97%|261804|52817-12-6 https://www.jk-sci.com/products/s57c4x-12118 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3fd0329c45fea9755ef3d8df48b83f0.jpg?v=1791720518 Paracetamol EP Impurity G, 99.60% | 34523-34-7 Paracetamol EP Impurity G|C4X-12118|34523-34-7 https://www.jk-sci.com/products/s57c4x-1210 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599991_24f6bb37-a513-4db4-86bd-2391449625d2.png?v=1791720577 Cefdinir, 98.80% | 91832-40-5 Cefdinir|C4X-1210|91832-40-5 https://www.jk-sci.com/products/s57c4x-121359 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7d8ce6d-c388-4c87-b2e3-045ea2247d0c.png?v=1791720476 Roxatidine Impurity 59, Purity: 95.5% Roxatidine Impurity 59|C4X-121359 https://www.jk-sci.com/products/s57c4x-1236112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f361f63-b85e-46cd-a456-4aac038d8c86.png?v=1791720235 Isavuconazole Impurity 112, 98.80% Isavuconazole Impurity 112|C4X-1236112 https://www.jk-sci.com/products/s57c4x-122611 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b11a5841-882e-4033-ac7c-197689099c06.png?v=1791720401 N-Nitrosodemethyl Doxepin, 95.60% N-Nitrosodemethyl Doxepin|C4X-122611 https://www.jk-sci.com/products/s57c4x-12206 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a7f4d93-49b9-4c2b-a660-7b31ce93083c.png?v=1791720443 Metformin EP impurity F Tetrahydrofuran Solution, Purity: 99.0% Metformin EP impurity F Tetrahydrofuran Solution|C4X-12206 https://www.jk-sci.com/products/s57c4x-12303 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/999090f319391447fd800ff66f454dd5.jpg?v=1791720364 Levomedetomidine Hydrochloride, 98.10% | 190000-46-5 Levomedetomidine Hydrochloride|C4X-12303|190000-46-5 https://www.jk-sci.com/products/s57c4x-123633 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da90d18854fcdc94dcd44f89f897c69f.jpg?v=1791720201 Isavuconazole Impurity 33, Purity: 99.7% | 1180002-01-0 Isavuconazole Impurity 33|C4X-123633|1180002-01-0 https://www.jk-sci.com/products/s57c4x-12349 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/532140_c8769895-96b1-4652-bb54-72d412d3b1cd.png?v=1791720284 Candesartan Cilexetil Impurity 9, 98.60% | 139481-72-4 Candesartan Cilexetil Impurity 9|C4X-12349|139481-72-4 https://www.jk-sci.com/products/s57c4x-12312 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109864_ce6aa23b-ecc7-4399-8092-8a57bd65c5eb.png?v=1791720328 Fluphenazine Decanoate EP Impurity B, Purity>95% | 69-23-8 Fluphenazine Decanoate EP Impurity B|C4X-12312|69-23-8 https://www.jk-sci.com/products/s57c4x-123625 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c49a7a4fd15d354c84f0536280a0911f.jpg?v=1791720215 (2R,3S)-Isavuconazole Impurity 25, 98.50% | 1797905-83-9 (2R,3S)-Isavuconazole Impurity 25|C4X-123625|1797905-83-9 https://www.jk-sci.com/products/a01261849 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/261849.png?v=1791771446 trans-4-Hydroxy-D-proline hydrochloride, 97% | 142347-81-7 trans-4-Hydroxy-D-proline hydrochloride, 97%|261849|142347-81-7 https://www.jk-sci.com/products/a01262002 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262002_5fad48b3-3114-4770-9156-71a702a08922.png?v=1791771444 Calcium fluoride, 99% | 7789-75-5 Calcium fluoride, 99%|262002|7789-75-5 https://www.jk-sci.com/products/s57c4x-123718 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4060fc4cacdbc8f89ae4ddbdc63e5af.jpg?v=1791720152 Picosulfate impurity 18, 98.50% | 26838-86-8 Picosulfate impurity 18|C4X-123718|26838-86-8 https://www.jk-sci.com/products/a01262310 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262310.png?v=1791771442 Ethyl cinnamate, 98%, trans | 103-36-6 Ethyl cinnamate, 98%, trans|262310|103-36-6 https://www.jk-sci.com/products/a01262456 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262456.png?v=1791771423 Diethyl iminodiacetate, 98% | 6290-05-7 Diethyl iminodiacetate, 98%|262456|6290-05-7 https://www.jk-sci.com/products/s57c4x-123932 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c52502bd-1d3f-4dde-b411-8bfaa96e5097.png?v=1791720114 Anastrozole Impurity 32, 91.60% Anastrozole Impurity 32|C4X-123932 https://www.jk-sci.com/products/a01262568 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262568.png?v=1791771413 2-Aminoanthracene, 92% | 613-13-8 2-Aminoanthracene, 92%|262568|613-13-8 https://www.jk-sci.com/products/s57c4x-12405 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b788dc359a4a4abc0915bbab0c13496.jpg?v=1791720086 Ziprasidone EP Impurity B, 90.00% | 1159977-56-6 Ziprasidone EP Impurity B|C4X-12405|1159977-56-6 https://www.jk-sci.com/products/s57c4x-124222 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d1f4e7a-d26d-4c0d-bc92-6fae57b9a3a5.png?v=1791720056 Rocuronium Bromide Impurity 22, 98.10% Rocuronium Bromide Impurity 22|C4X-124222 https://www.jk-sci.com/products/a01263146 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/510166.png?v=1791771397 N-Methyl-7-nitro-1,2,3,4-tetrahydroquinoline, 98% | 39275-18-8 N-Methyl-7-nitro-1,2,3,4-tetrahydroquinoline, 98%|263146|39275-18-8 https://www.jk-sci.com/products/a01263195 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130927.png?v=1791771397 Methyl cyclopentenolone, 99% | 80-71-7 Methyl cyclopentenolone, 99%|263195|80-71-7 https://www.jk-sci.com/products/a01263736 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124582.png?v=1791771372 4-Chlorothieno[3,2-d]pyrimidine, 98% | 16269-66-2 4-Chlorothieno[3,2-d]pyrimidine, 98%|263736|16269-66-2 https://www.jk-sci.com/products/a01264639 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264639_d1bccfeb-3bf6-40d5-a684-e86f6d448540.png?v=1791771345 N-Fmoc-β-cyclopropyl-D-alanine, 99% | 170642-29-2 N-Fmoc-β-cyclopropyl-D-alanine, 99%|264639|170642-29-2 https://www.jk-sci.com/products/s57c4x-124430 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618237_71afb140-1218-4ee6-8bde-52c6cc6341cd.png?v=1791720019 Quetiapine EP Impurity B Dihydrochloride, 91.90% | 111974-74-4 Quetiapine EP Impurity B Dihydrochloride|C4X-124430|111974-74-4 https://www.jk-sci.com/products/a01264873 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150739_e2ffd414-693f-4dbc-9223-0c4f1c13af3e.png?v=1791771332 Dehydroacetic acid, 98% | 520-45-6 Dehydroacetic acid, 98%|264873|520-45-6 https://www.jk-sci.com/products/ts246cs-0096939 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/877bef202191a1d7eeaed97826621cca.jpg?v=1791667889 (2-Methyl-2H-1,2,3-triazol-4-yl)boronic acid, 98% | 1372713-72-8 (2-Methyl-2H-1,2,3-triazol-4-yl)boronic acid|CS-0096939|1372713-72-8 https://www.jk-sci.com/products/s57c4x-124466 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b722e4d4-c9cd-4f5d-aeea-c62c4d4e377d.png?v=1791719988 Quetiapine EP Impurity J HCl, 90.10% Quetiapine EP Impurity J HCl|C4X-124466 https://www.jk-sci.com/products/a01265878 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265878.png?v=1791771289 2-(4-methylmorpholine)ethyl bromide, 97% | 89583-07-3 2-(4-methylmorpholine)ethyl bromide, 97%|265878|89583-07-3 https://www.jk-sci.com/products/s57c4x-124536 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07bf73809816a3f26fb1cd10b601d75b.jpg?v=1791719972 Cefuroxime Impurity 36, 98.30% | 15690-38-7 Cefuroxime Impurity 36|C4X-124536|15690-38-7 https://www.jk-sci.com/products/a01958384 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fcfd1c3fec6e6d85a3b5a015d0633f0.jpg?v=1791756157 Methyl 2,3-O-isopropylidene-α-L-rhamnopyranoside, 98% | 14133-63-2 Methyl 2,3-O-isopropylidene-α-L-rhamnopyranoside, 98%|958384|14133-63-2 https://www.jk-sci.com/products/a01958096 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441751.png?v=1791756181 Methylthymol Blue sodium salt | 1945-77-3 Methylthymol Blue sodium salt|958096|1945-77-3 https://www.jk-sci.com/products/s57c4x-124746 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26625be78f9f8f7e2cda73d0e0eafe2.jpg?v=1791719933 N-Nitroso Bisoprolol, 90.10% | 2820170-76-9 N-Nitroso Bisoprolol|C4X-124746|2820170-76-9 https://www.jk-sci.com/products/a01959369 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118398.png?v=1791756129 2,4-Dichlorobenzyl isocyanate, 98% | 19654-32-1 2,4-Dichlorobenzyl isocyanate, 98%|959369|19654-32-1 https://www.jk-sci.com/products/a01960176 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410465.png?v=1791756075 4-Chloro-benzo[d]-thiazol-2(3H)-one, 97% | 39205-62-4 4-Chloro-benzo[d]-thiazol-2(3H)-one, 97%|960176|39205-62-4 https://www.jk-sci.com/products/a01959456 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6804c41cd2faf12f8b32bfc0c644a318.jpg?v=1791756124 Laminarin, 30%, CP | 9008-22-4 Laminarin, 30%, CP|959456|9008-22-4 https://www.jk-sci.com/products/a01960017 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d7b56730e6777a3094a47cbeedf7247.jpg?v=1791756084 N,N'-Bis(2-ethylhexyl)-6,6'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindigo, 98% | 1821433-54-8 N,N'-Bis(2-ethylhexyl)-6,6'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindigo, 98%|960017|1821433-54-8 https://www.jk-sci.com/products/a01960505 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353307.png?v=1793051962 2-Ethoxyethanol, 99% | 110-80-5 2-Ethoxyethanol, 99%|960505|110-80-5 https://www.jk-sci.com/products/a01960664 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314342.png?v=1791756058 2-Chloro-N-methoxy-N-methylacetamide, 97% | 67442-07-3 2-Chloro-N-methoxy-N-methylacetamide, 97%|960664|67442-07-3 https://www.jk-sci.com/products/s57c4x-124846 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8059406655784ceebf80fd86b26f4a21.jpg?v=1791719897 N-t-Boc Valacyclovir, 96.70% | 502421-44-5 N-t-Boc Valacyclovir|C4X-124846|502421-44-5 https://www.jk-sci.com/products/s57c4x-12521 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_34dc9d51-637f-48b4-ba92-e82af0de7d01.png?v=1791719882 Perindopril EP Impurity I（Enantiomer Mixture）tert-Butylamine Salt, 94.90% Perindopril EP Impurity I（Enantiomer Mixture）tert-Butylamine Salt|C4X-12521 https://www.jk-sci.com/products/a01960927 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3819e92cc014fd538f60e000f5b9fcf8.jpg?v=1791756049 Isobutylamine hydrobromide, 98% | 74098-36-5 Isobutylamine hydrobromide, 98%|960927|74098-36-5 https://www.jk-sci.com/products/a01960789 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbb372e30a72b62852bc99b88b9e07d6.jpg?v=1791756050 6-Chloroisatin, 98% | 6341-92-0 6-Chloroisatin, 98%|960789|6341-92-0 https://www.jk-sci.com/products/s57c4x-125228 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e586e6aef3d79195a4fa09aad1bd6af9.jpg?v=1791719872 Perindopril Impurity 28, Purity: 100.0% | 760127-31-9 Perindopril Impurity 28|C4X-125228|760127-31-9 https://www.jk-sci.com/products/s57c4x-125232 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bdd8e274-3250-42c8-881f-6d0bb03b4e78.png?v=1791719866 Perindopril Impurity 32, Purity: 99.3% Perindopril Impurity 32|C4X-125232 https://www.jk-sci.com/products/s57c4x-125272 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_186d9f75-6ff3-4594-b402-65627df79db3.png?v=1791719851 Perindopril EP Impurity O, Purity: 97.4% Perindopril EP Impurity O|C4X-125272 https://www.jk-sci.com/products/s57c4x-125239 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274839_8f034b3f-8310-47ed-b9c8-8ffc0514c679.png?v=1791719855 Perindopril Impurity 39, Purity: 99.1% | 79815-20-6 Perindopril Impurity 39|C4X-125239|79815-20-6 https://www.jk-sci.com/products/s57c4x-125289 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c87db22f-a70f-4d25-9477-ba5efc79b99e.png?v=1791719841 Perindopril Impurity 89, 84.20% Perindopril Impurity 89|C4X-125289 https://www.jk-sci.com/products/s57c4x-125623 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ea1b41849c858a96f17beb93ec0d237.jpg?v=1791719809 Nilotinib Impurity 23, 99.60% | 917392-54-2 Nilotinib Impurity 23|C4X-125623|917392-54-2 https://www.jk-sci.com/products/s57c4x-1254114 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205955_68d2af5b-f4cd-4e18-848b-b0c6f4925856.png?v=1791719820 Tirofiban Impurity 114, 99.90% | 556-02-5 Tirofiban Impurity 114|C4X-1254114|556-02-5 https://www.jk-sci.com/products/s57c4x-12534 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101ce8a11a04f08d3575a52ec22217dd.jpg?v=1791719832 Gatifloxacin Impurity 4, 97.80% | 103460-89-5 Gatifloxacin Impurity 4|C4X-12534|103460-89-5 https://www.jk-sci.com/products/s57c4x-12564 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380886.png?v=1791719798 Nilotinib Impurity 4, 99.80% | 18595-18-1 Nilotinib Impurity 4|C4X-12564|18595-18-1 https://www.jk-sci.com/products/s57c4x-125519 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345455_9e8770c0-92eb-4526-8771-320d876bb3e9.png?v=1791719815 Omeprazole Impurity 19, 98.80% | 119-81-3 Omeprazole Impurity 19|C4X-125519|119-81-3 https://www.jk-sci.com/products/s57c4x-125814 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71b4ad2e14d6992731096529e9bcb98d.jpg?v=1791719785 Buspirone EP Impurity N, 97.40% | 257877-44-4 Buspirone EP Impurity N|C4X-125814|257877-44-4 https://www.jk-sci.com/products/s57c4x-125820 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ca898a7a94c43142644edf18586fd21.jpg?v=1791719778 Buspirone Impurity 20, 95.50% | 1821194-01-7 Buspirone Impurity 20|C4X-125820|1821194-01-7 https://www.jk-sci.com/products/s57c4x-125824 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca8eabcf39d390b0642667dc21deb7e.jpg?v=1791719772 Buspirone Impurity 24, 97.90% | 1800242-04-9 Buspirone Impurity 24|C4X-125824|1800242-04-9 https://www.jk-sci.com/products/s57c4x-12585 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a00efae9dfe720ac63302addcd32d19.jpg?v=1791719761 Buspirone EP Impurity E, 91.80% | 257877-43-3 Buspirone EP Impurity E|C4X-12585|257877-43-3 https://www.jk-sci.com/products/s57c4x-126111 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88fc1d41-24cf-4d99-9089-fb7e3acab504.png?v=1791719750 Cephalexin Dimer, 90.10% Cephalexin Dimer|C4X-126111 https://www.jk-sci.com/products/s57c4x-126751 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b54e016-9058-4cfe-8e56-1fc8f325fb28.png?v=1791719690 Ixazomib Impurity 51, 98.4%(qNMR:98.4%) Ixazomib Impurity 51|C4X-126751 https://www.jk-sci.com/products/s57c4x-126778 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ba8d7b73-5ee3-41df-a860-b681a869215e.png?v=1791719686 Ixazomib Impurity 78, 98.20% Ixazomib Impurity 78|C4X-126778 https://www.jk-sci.com/products/a01963054 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268022_1a9f02a0-b016-4c8a-b296-f3f30132937b.png?v=1791755948 4'-Fluoropropiophenone, 98% | 456-03-1 4'-Fluoropropiophenone, 98%|963054|456-03-1 https://www.jk-sci.com/products/a01961398 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305396.png?v=1791756029 cis-2-Boc-hexahydropyrrolo[3,4-c]pyrrole, 98% | 250275-15-1 cis-2-Boc-hexahydropyrrolo[3,4-c]pyrrole, 98%|961398|250275-15-1 https://www.jk-sci.com/products/a01962748 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271136_2d2a182b-5b18-4a75-83ed-bbd9c2243970.png?v=1791755969 Sodium thiosulfate anhydrous, 99.99%, metal basis | 7772-98-7 Sodium thiosulfate anhydrous, 99.99%, metal basis|962748|7772-98-7 https://www.jk-sci.com/products/a01962008 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575064.png?v=1791756000 N-(9H-Fluoren-2-yl)acetamide, 98% | 53-96-3 N-(9H-Fluoren-2-yl)acetamide, 98%|962008|53-96-3 https://www.jk-sci.com/products/s57c4x-126730 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_040d2d05-ff94-464c-b3b1-8b6214a46073.png?v=1791719715 Ixazomib Impurity 30, 99.7%(qNMR:98.4%) Ixazomib Impurity 30|C4X-126730 https://www.jk-sci.com/products/s57c4x-12702 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297579_f35d726f-9002-4222-90b6-64747f157345.png?v=1791719671 Cefaclor EP Impurity B, 99.70% | 53994-69-7 Cefaclor EP Impurity B|C4X-12702|53994-69-7 https://www.jk-sci.com/products/s57c4x-12713 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b4129054d8839a322884de0dca78f2.jpg?v=1791719646 Bendamustine Impurity 3, 98.40% | 3543-74-6 Bendamustine Impurity 3|C4X-12713|3543-74-6 https://www.jk-sci.com/products/s57c4x-126716 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c14ff83c-de91-4001-a945-a5c823ed1c27.png?v=1791719727 Ixazomib Impurity 16, 96.30% Ixazomib Impurity 16|C4X-126716 https://www.jk-sci.com/products/a01961956 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614522_9357abc6-72f0-4f4c-9297-0fc858d9cae3.png?v=1791756005 Methyl palmitate, 99.5%, reference material | 112-39-0 Methyl palmitate, 99.5%, reference material|961956|112-39-0 https://www.jk-sci.com/products/a01962240 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161c21fab62e853729b8bb1312aace6a.jpg?v=1793051956 2-Phenylethylamine hydrobromide, 99% | 53916-94-2 2-Phenylethylamine hydrobromide, 99%|962240|53916-94-2 https://www.jk-sci.com/products/s57c4x-12686 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9994257c-6e95-4866-99b4-c47de6adc290.png?v=1791719675 Nalmefene Impurity 6, Purity: 97.0% Nalmefene Impurity 6|C4X-12686 https://www.jk-sci.com/products/s57c4x-126737 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed4b857e-f028-4e04-a8a6-0f25ba7190e6.png?v=1791719709 Ixazomib Impurity 37, Purity: 100.0% Ixazomib Impurity 37|C4X-126737 https://www.jk-sci.com/products/s57c4x-12708 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_124785ca-c890-429e-8042-cee1489a100a.png?v=1791719653 Cefaclor EP Impurity H, 95.70% Cefaclor EP Impurity H|C4X-12708 https://www.jk-sci.com/products/s57c4x-12661 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53a8bfab62ac8df8fbcdd0383738e76e.jpg?v=1791719734 Nintedanib Impurity N1, 93.10% | 894783-71-2 Nintedanib Impurity N1|C4X-12661|894783-71-2 https://www.jk-sci.com/products/s57c4x-12843 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417582_07fa3ca7-43f0-4174-bfdf-f64bcf8a991a.png?v=1791719629 Cefalotin EP Impurity C/Cefoperazone EP Impurity E/Cefazolin EP Impurity H, 95.30% | 957-68-6 Cefalotin EP Impurity C/Cefoperazone EP Impurity E/Cefazolin EP Impurity H|C4X-12843|957-68-6 https://www.jk-sci.com/products/s57c4x-129213 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d37ba85000e4ef75cefb187d9a66b10c_9251dcb9-d1bc-4790-928a-661b13a93871.jpg?v=1791719619 Levocarnitine Impurity 13, 94.80% | 127913-44-4 Levocarnitine Impurity 13|C4X-129213|127913-44-4 https://www.jk-sci.com/products/s57c4x-12921 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4dd7b0092c6ab77b4b815e0c425c902.jpg?v=1791719622 Levocarnitine EP Impurity A Chloride（E-Isomer）, 90.20% | 144205-67-4 Levocarnitine EP Impurity A Chloride（E-Isomer）|C4X-12921|144205-67-4 https://www.jk-sci.com/products/s57c4x-1289 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156436.png?v=1791719624 Faropenem Sodium, 88.70% | 158365-51-6 Faropenem Sodium|C4X-1289|158365-51-6 https://www.jk-sci.com/products/a01963382 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273660.png?v=1791755937 4-Chlorobenzophenone, 99% | 134-85-0 4-Chlorobenzophenone, 99%|963382|134-85-0 https://www.jk-sci.com/products/a01964257 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19fb0d89641180221a9901a927ca5de8.jpg?v=1791755870 tert-Butyl 3-endo-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate, 97% | 143557-91-9 tert-Butyl 3-endo-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate, 97%|964257|143557-91-9 https://www.jk-sci.com/products/s57c4x-129222 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6fcbade9-f131-4860-af19-cef01d77ada2.png?v=1791719613 Levocarnitine Impurity 22, 94.80% Levocarnitine Impurity 22|C4X-129222 https://www.jk-sci.com/products/s57c4x-12925 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/445903_6d2a415d-88c1-4481-a296-4dcd4a2908a4.png?v=1791719604 D-Carnitine, 92.00% | 541-14-0 D-Carnitine|C4X-12925|541-14-0 https://www.jk-sci.com/products/s57c4x-12923 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8422f4c2524fc0dd89d2cd09687c4686.jpg?v=1791719610 Levocarnitine EP Impurity C Chloride, 93.80% | 6490-20-6 Levocarnitine EP Impurity C Chloride|C4X-12923|6490-20-6 https://www.jk-sci.com/products/s57c4x-12929 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a868cad8ff5426d657272c9c846c8f4_f07e71ce-578e-4c73-a629-f7a0af5d2c16.jpg?v=1791719604 Levocarnitine Impurity 9, 96.60% | 461-05-2 Levocarnitine Impurity 9|C4X-12929|461-05-2 https://www.jk-sci.com/products/s57c4x-12942 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ac57bd47566f5a9f697236834a432b.jpg?v=1791719599 Guaifenesin EP Impurity B, 97.70% | 14007-09-1 Guaifenesin EP Impurity B|C4X-12942|14007-09-1 https://www.jk-sci.com/products/s57c4x-12949 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362152.png?v=1791719592 1-Methoxy-2-(2-propen-1-yloxy)benzene, 92.80% | 4125-43-3 1-Methoxy-2-(2-propen-1-yloxy)benzene|C4X-12949|4125-43-3 https://www.jk-sci.com/products/s57c4x-12944 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232d894497f657ad45392dfc7f1b17d0.jpg?v=1791719594 Guaifenesin EP Impurity D, 96.40% | 16929-60-5 Guaifenesin EP Impurity D|C4X-12944|16929-60-5 https://www.jk-sci.com/products/s57c4x-129819 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00fb1d1a-b11d-451f-b5d9-6b95c503b29e.png?v=1791719589 Dobutamine Impurity 19, Purity: 97.4% Dobutamine Impurity 19|C4X-129819 https://www.jk-sci.com/products/s57c4x-129826 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441116.png?v=1791719582 Dobutamine Impurity 26, Purity: 99.1% | 243139-71-1 Dobutamine Impurity 26|C4X-129826|243139-71-1 https://www.jk-sci.com/products/s57c4x-129829 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57182e21-d7f5-42dd-a88c-bc671f07e02a.png?v=1791719577 Dobutamine Impurity 29, Purity: 98.4% Dobutamine Impurity 29|C4X-129829 https://www.jk-sci.com/products/s57c4x-129838 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71f6d1eb-1d13-47fc-8999-64da47091151.png?v=1791719573 N-Nitroso Dobutamine, 95.80% N-Nitroso Dobutamine|C4X-129838 https://www.jk-sci.com/products/s57c4x-12984 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393321_4058a06d-3a0e-4e1f-a5b2-befb85549898.png?v=1791719568 Dobutamine Impurity 4, 99.00% | 104-20-1 Dobutamine Impurity 4|C4X-12984|104-20-1 https://www.jk-sci.com/products/s57c4x-129830 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_996cea7d-f329-484e-8515-595765aae807.png?v=1791719576 Dobutamine Impurity 30 HCl, Purity: 99.5% Dobutamine Impurity 30 HCl|C4X-129830 https://www.jk-sci.com/products/a01965961 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480479.png?v=1791755793 tert-Butyl 2-methylpiperazine-1-carboxylate, 97% | 120737-78-2 tert-Butyl 2-methylpiperazine-1-carboxylate, 97%|965961|120737-78-2 https://www.jk-sci.com/products/a01966452 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129412_fd92d727-d2f0-438f-ba49-70f1e2e941a9.png?v=1791755765 Boc-L-2-aminobutyric acid, 98% | 34306-42-8 Boc-L-2-aminobutyric acid, 98%|966452|34306-42-8 https://www.jk-sci.com/products/a01966632 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d3b77426755ea25fce4c18f6c9ef323.jpg?v=1791755758 2-(9,9-Diphenyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 462128-39-8 2-(9,9-Diphenyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97%|966632|462128-39-8 https://www.jk-sci.com/products/a01967833 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282510.png?v=1791755697 Calix[6]arene, 95% | 96107-95-8 Calix[6]arene, 95%|967833|96107-95-8 https://www.jk-sci.com/products/a01967379 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132821_abe4c694-2bcd-4749-9d5c-b88425ff1849.png?v=1791755723 β-tri-Calcium phosphate, 98%, β-phase, ＜30 μm | 7758-87-4 β-tri-Calcium phosphate, 98%, β-phase, ＜30 μm|967379|7758-87-4 https://www.jk-sci.com/products/a01146762 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328705_56bee677-62ad-4f75-991b-53dad243fce5.png?v=1791777310 4-Aminobenzophenone, 98% | 1137-41-3 4-Aminobenzophenone, 98%|146762|1137-41-3 https://www.jk-sci.com/products/s57c4x-130036 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43169becd467d313d027e3165ad5b75c.jpg?v=1791719550 Tacrolimus Impurity 36, 97.70% | 131944-48-4 Tacrolimus Impurity 36|C4X-130036|131944-48-4 https://www.jk-sci.com/products/a01147562 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147562.png?v=1793053616 Methyl 4-fluorobenzoate, 99% | 403-33-8 Methyl 4-fluorobenzoate, 99%|147562|403-33-8 https://www.jk-sci.com/products/a01146951 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146951.png?v=1791777302 Bromosuccinic acid, 97% | 923-06-8 Bromosuccinic acid, 97%|146951|923-06-8 https://www.jk-sci.com/products/a01147009 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147009.png?v=1791777296 4-Fluoro-2-methylphenol, 98% | 452-72-2 4-Fluoro-2-methylphenol, 98%|147009|452-72-2 https://www.jk-sci.com/products/a01146972 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b61a9edb-89c7-4cc1-bef3-4d069833e08e.png?v=1793053619 Peptone | 73049-73-7 Peptone|146972|73049-73-7 https://www.jk-sci.com/products/a01147605 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581580.png?v=1791777263 Ethyl 3-(N,N-dimethylamino)acrylate, 98% | 924-99-2 Ethyl 3-(N,N-dimethylamino)acrylate, 98%|147605|924-99-2 https://www.jk-sci.com/products/a011472245 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32b965666881db56fec0e0fef4ec3327.jpg?v=1791777288 Lithium titanate, spinel, 99.9%, mental basis, particle size：~100nm | 12031-95-7 Lithium titanate, spinel, 99.9%, mental basis, particle size：~100nm|1472245|12031-95-7 https://www.jk-sci.com/products/s57c4x-130311 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f18f4867b70704e551cd4654d24562c4.jpg?v=1791719521 Roxithromycin EP Impurity I, 95.00% | 425365-66-8 Roxithromycin EP Impurity I|C4X-130311|425365-66-8 https://www.jk-sci.com/products/s57c4x-13019 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a35bc3f2922a23b9655f756445eee9.jpg?v=1791719524 Desonide Impurity 9, 96.00% | 117782-94-2 Desonide Impurity 9|C4X-13019|117782-94-2 https://www.jk-sci.com/products/s57c4x-13017 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09c7142c7e88238cebd0868267665b4a.jpg?v=1791719528 1,2-Dihydrodesonide, 98.20% | 638-93-7 1,2-Dihydrodesonide|C4X-13017|638-93-7 https://www.jk-sci.com/products/s57c4x-13032 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40c3d103daa44759d7b1f95c7a1f35cb_9766cfe0-73d6-4431-96cb-6f6b21498604.jpg?v=1791719519 Roxithromycin EP Impurity B, 97.10% | 214902-82-6 Roxithromycin EP Impurity B|C4X-13032|214902-82-6 https://www.jk-sci.com/products/s57c4x-13036 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf0256c9de85a60aa90556e947d3e079.jpg?v=1791719512 Roxithromycin EP Impurity F, 84.10% | 118267-18-8 Roxithromycin EP Impurity F|C4X-13036|118267-18-8 https://www.jk-sci.com/products/a01148594 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148594.png?v=1791777236 Cyanuric acid, 98%, reference material | 108-80-5 Cyanuric acid, 98%, reference material|148594|108-80-5 https://www.jk-sci.com/products/a01149148 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149148.png?v=1791777198 4-Dicyanomethylene-2,6-dimethyl-4H-pyran, 97% | 28286-88-6 4-Dicyanomethylene-2,6-dimethyl-4H-pyran, 97%|149148|28286-88-6 https://www.jk-sci.com/products/s57c4x-130810 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1d56c265-bc01-4a7d-a5a1-7538750a421d.png?v=1791719502 Levosimendan Impurity 10, 99.60% Levosimendan Impurity 10|C4X-130810 https://www.jk-sci.com/products/s57c4x-130414 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_18597b0f-1b9a-457a-b9ab-41449ecc5366.png?v=1791719507 Penehyclidine impurity 14 HCI, Purity: 96.1% Penehyclidine impurity 14 HCI|C4X-130414 https://www.jk-sci.com/products/s57c4x-130834 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75b31533b645903d5049f6ccc4f55975.jpg?v=1791719493 Dextrosimendan, 99.00% | 144238-75-5 Dextrosimendan|C4X-130834|144238-75-5 https://www.jk-sci.com/products/s57c4x-13082 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113608_c163dc11-143e-4ff4-94ab-fbe92e5106b1.png?v=1791719502 Levosimendan Impurity 2, 99.90% | 101328-85-2 Levosimendan Impurity 2|C4X-13082|101328-85-2 https://www.jk-sci.com/products/s57c4x-130842 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_188c9987-0edb-4fbd-a641-103cf9e6501c.png?v=1791719488 Levosimendan Impurity 42, 94.90% Levosimendan Impurity 42|C4X-130842 https://www.jk-sci.com/products/a011493876 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/894ac7331f1b036f5e22200d81cc4cff.jpg?v=1791777177 trans,trans-4'-Propyl-4-(4-trifluoromethoxyphenyl)bicyclohexyl, 98% | 133937-72-1 trans,trans-4'-Propyl-4-(4-trifluoromethoxyphenyl)bicyclohexyl, 98%|1493876|133937-72-1 https://www.jk-sci.com/products/a011498540 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f329dbe737de92291267ab145e252edd.jpg?v=1791777134 Iproniazid, 97% | 54-92-2 Iproniazid, 97%|1498540|54-92-2 https://www.jk-sci.com/products/a01149955 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232700.png?v=1791777126 3-Chlorobenzoic acid, 99% | 535-80-8 3-Chlorobenzoic acid, 99%|149955|535-80-8 https://www.jk-sci.com/products/a01150037 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469240_987b8d61-0e98-47b2-aa65-1c501affae41.png?v=1791777126 5-Azacytidine, 99%, a nucleoside analogue of cytidine that specifically inhibits DNA methylation by trapping DNA methyltransferases | 320-67-2 5-Azacytidine, 99%, a nucleoside analogue of cytidine that specifically inhibits DNA methylation by trapping DNA methyltransferases|150037|320-67-2 https://www.jk-sci.com/products/a01150222 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150222.png?v=1791777106 2,5-Difluorobenzoic acid, 98% | 2991-28-8 2,5-Difluorobenzoic acid, 98%|150222|2991-28-8 https://www.jk-sci.com/products/s57c4x-130918 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_315744fb-f76c-4985-af58-54b566523a1b.png?v=1791719472 N-Nitroso Meropenem, Purity: 96.8% N-Nitroso Meropenem|C4X-130918 https://www.jk-sci.com/products/s57c4x-13112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0e3119dac3736fd937089e04b60eff2_0328015e-454f-4119-93bc-275cb90768f6.jpg?v=1791719468 Cyclosporin A, 100.00% | 59865-13-3 Cyclosporin A|C4X-13112|59865-13-3 https://www.jk-sci.com/products/s57c4x-13098 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c64a9d3faeb2cde273684c1c2aa8b6c4.jpg?v=1791719472 Meropenem EP Impurity A, 94.40% | 1053703-36-8 Meropenem EP Impurity A|C4X-13098|1053703-36-8 https://www.jk-sci.com/products/s57c4x-131213 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a51b33917612d56c3a87563d716987e.jpg?v=1791719463 Pregabalin Impurity 13, 89.20% | 1136478-30-2 Pregabalin Impurity 13|C4X-131213|1136478-30-2 https://www.jk-sci.com/products/s57c4x-1312108 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4ecb41aa-122d-4ccb-8977-abc354ca2b70.png?v=1791719462 Pregabalin impurity 108, 90.50% Pregabalin impurity 108|C4X-1312108 https://www.jk-sci.com/products/s57c4x-13122 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a51484509a95cc690e47aa1a79bbe0e.jpg?v=1791719456 Pregabalin Impurity 2, 97.00% | 75143-89-4 Pregabalin Impurity 2|C4X-13122|75143-89-4 https://www.jk-sci.com/products/s57c4x-131224 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1cc41044c6775e2609a9296a60ea3b6_3f2f0e0b-5b6a-4248-a250-449d8b302939.jpg?v=1791719451 Pregabalin EP Impurity A, 99.50% | 181289-23-6 Pregabalin EP Impurity A|C4X-131224|181289-23-6 https://www.jk-sci.com/products/s57c4x-131228 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a922193757e5927e4441668eed108f1b.jpg?v=1791719449 Pregabalin EP Impurity D, 98.90% | 4118-51-8 Pregabalin EP Impurity D|C4X-131228|4118-51-8 https://www.jk-sci.com/products/s57c4x-131234 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fecf3e1bcd319eb15687935a8447249.jpg?v=1791719446 pregabalin Impurity 34, 90.20% | 128013-69-4 pregabalin Impurity 34|C4X-131234|128013-69-4 https://www.jk-sci.com/products/a01150236 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150236.png?v=1793053611 4,4'-Dicarboxydiphenyl sulfone, 98% | 2449-35-6 4,4'-Dicarboxydiphenyl sulfone, 98%|150236|2449-35-6 https://www.jk-sci.com/products/s57c4x-131249 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529162.png?v=1791719440 Pregabalin Impurity 49, 98.80% | 3886-69-9 Pregabalin Impurity 49|C4X-131249|3886-69-9 https://www.jk-sci.com/products/a01151359 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254732.png?v=1791777055 Pyridine-4-boronic acid, 98% | 1692-15-5 Pyridine-4-boronic acid, 98%|151359|1692-15-5 https://www.jk-sci.com/products/a011514824 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b33bc1362a605f3ecb21a4a6619c7bf.jpg?v=1791777045 6-Bromo-7-fluoroquinoline, 98% | 127827-52-5 6-Bromo-7-fluoroquinoline, 98%|1514824|127827-52-5 https://www.jk-sci.com/products/a01152301 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de2f16c4147b7c21bafb78cfafad5cda.jpg?v=1791776998 o-Tolylacetic acid, 99% | 644-36-0 o-Tolylacetic acid, 99%|152301|644-36-0 https://www.jk-sci.com/products/a011525219 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c390c0b85e0e58b63f61090e483f2e8.jpg?v=1791776991 Dacomitinib, 98%, a potent irreversible ErbB inbibitor | 1110813-31-4 Dacomitinib, 98%, a potent irreversible ErbB inbibitor|1525219|1110813-31-4 https://www.jk-sci.com/products/s57c4x-131262 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_736d5118-cb42-42b2-a74b-17cced9ac63b.png?v=1791719424 Pregabalin Impurity 62, Purity: 99.0% Pregabalin Impurity 62|C4X-131262 https://www.jk-sci.com/products/a01152818 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/152818.png?v=1791776963 tert-Butyl (10-aminodecyl)carbamate, 97% | 216961-61-4 tert-Butyl (10-aminodecyl)carbamate, 97%|152818|216961-61-4 https://www.jk-sci.com/products/s57c4x-131276 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/486876.png?v=1791719420 Pregabalin Impurity 76, 100.00% | 181289-15-6 Pregabalin Impurity 76|C4X-131276|181289-15-6 https://www.jk-sci.com/products/a011528355 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee5e0118-2936-4cd3-8081-b7b6a2126f9c.png?v=1791776958 Chitotetraose tetrahydrochloride hydrate, 98% | 117399-50-5 Chitotetraose tetrahydrochloride hydrate, 98%|1528355|117399-50-5 https://www.jk-sci.com/products/s57c4x-131286 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d37a0608-7936-4591-a9e8-ca3cbe6b5738.png?v=1791719414 Pregabalin Impurity 86, 98.20% Pregabalin Impurity 86|C4X-131286 https://www.jk-sci.com/products/s57c4x-13129 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d9b770f25a7906b9cfc3ec00be464b3.jpg?v=1791719413 Pregabalin Impurity PD0310806, Purity: 99.4% | 501666-22-4 Pregabalin Impurity PD0310806|C4X-13129|501666-22-4 https://www.jk-sci.com/products/s57c4x-131291 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a27dd057fe417b2dd0a18e33a584d6da.jpg?v=1791719408 Pregabalin impurity 91, Purity: 96.8% | 159029-27-3 Pregabalin impurity 91|C4X-131291|159029-27-3 https://www.jk-sci.com/products/s57c4x-13227 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3f647c802dc72346adf4ed51f7a1c8f.jpg?v=1791719362 Propafenone EP Impurity G, 93.30% | 1346603-80-2 Propafenone EP Impurity G|C4X-13227|1346603-80-2 https://www.jk-sci.com/products/s57c4x-132010 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0d61b0c504408dc46d07b896a2cf341.jpg?v=1791719380 Nateglinide EP Impurity C, 91.80% | 105816-06-6 Nateglinide EP Impurity C|C4X-132010|105816-06-6 https://www.jk-sci.com/products/s57c4x-131615 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89b42488ca96949ade76e9c948d41b6e.jpg?v=1791719397 Allylphosphonic Acid disodium salt, 95.80% | 28994-95-8 Allylphosphonic Acid disodium salt|C4X-131615|28994-95-8 https://www.jk-sci.com/products/s57c4x-13168 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a4ca028-5bf0-4aff-bfa5-c5f8f242388c.png?v=1791719381 Fosfomycin Impurity 8, 98.70% Fosfomycin Impurity 8|C4X-13168 https://www.jk-sci.com/products/s57c4x-131299 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b6805c4176512c421be2ed41e2d499e.jpg?v=1791719404 Pregabalin impurity 99, 99.60% | 1511511-44-6 Pregabalin impurity 99|C4X-131299|1511511-44-6 https://www.jk-sci.com/products/s57c4x-132412 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/574711_d210e1ee-f5a4-4176-bd34-9bed7a1a1a72.png?v=1791719356 Mesalazine EP Impurity L, 99.20% | 118-91-2 Mesalazine EP Impurity L|C4X-132412|118-91-2 https://www.jk-sci.com/products/s57c4x-132220 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_80475136-431b-4e6c-8802-3ef25bed9f4d.png?v=1791719366 N-Nitroso Propafenone, 99.70% N-Nitroso Propafenone|C4X-132220 https://www.jk-sci.com/products/s57c4x-13161 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3607ab3aa8bab29c8e4a8c550f7e346c.jpg?v=1791719402 Fosfomycin Trometamol EP Impurity A, 90.40% | 84954-80-3 Fosfomycin Trometamol EP Impurity A|C4X-13161|84954-80-3 https://www.jk-sci.com/products/s57c4x-132417 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576322_15084475-3c6a-47cd-93b9-59a256984a2f.png?v=1791719351 Mesalazine EP Impurity Q, 99.60% | 3970-35-2 Mesalazine EP Impurity Q|C4X-132417|3970-35-2 https://www.jk-sci.com/products/s57c4x-13221 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d651ec6c128676ec222ca31fd3e64ea.jpg?v=1791719371 Propafenone EP Impurity A, 97.60% | 3516-95-8 Propafenone EP Impurity A|C4X-13221|3516-95-8 https://www.jk-sci.com/products/s57c4x-132414 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143276.png?v=1791719350 Mesalazine EP Impurity N, 98.80% | 96-97-9 Mesalazine EP Impurity N|C4X-132414|96-97-9 https://www.jk-sci.com/products/s57c4x-131653 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1a7d7ad9-acc6-44cf-b6ce-45e94de15da1.png?v=1791719386 Fosfomycin Impurity 53, 99.70% Fosfomycin Impurity 53|C4X-131653 https://www.jk-sci.com/products/s57c4x-13225 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b71274b33dfe8413b227aab6e85a0878.jpg?v=1791719362 Propafenone EP Impurity E, 97.70% | 165279-79-8 Propafenone EP Impurity E|C4X-13225|165279-79-8 https://www.jk-sci.com/products/s57c4x-13213 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edd64b3bb8b3f759f0753884fb75c0ef.jpg?v=1791719377 Triclabendazole Impurity 3, Purity: 100.0% | 145770-88-3 Triclabendazole Impurity 3|C4X-13213|145770-88-3 https://www.jk-sci.com/products/s57c4x-131635 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc50ac851bad5ef6f8bef6c82bb9182e_739cb149-de43-4e94-b83f-3233ce99b973.jpg?v=1791875790 Trometamol HCl, Purity: 100.0% | 1185-53-1 Trometamol HCl|C4X-131635|1185-53-1 https://www.jk-sci.com/products/s57c4x-132424 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0015b94baaae80e90e41da133132c500.jpg?v=1791719345 Mesalazine Impurity 24, 90.40% | 859964-08-2 Mesalazine Impurity 24|C4X-132424|859964-08-2 https://www.jk-sci.com/products/s57c4x-1325 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9146006b07778fa22a03c770b1c3b68c_f6b56100-67a1-4d29-81f3-6678d3f9aaee.jpg?v=1791719331 Aclidinium Bromide, 98.00% | 320345-99-1 Aclidinium Bromide|C4X-1325|320345-99-1 https://www.jk-sci.com/products/s57c4x-132436 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f8ad81f4f67d9703f114443a1ffd130.jpg?v=1791719336 Mesalazine EP Impurity I, 88.50% | 3147-53-3 Mesalazine EP Impurity I|C4X-132436|3147-53-3 https://www.jk-sci.com/products/s57c4x-13246 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241903.png?v=1791719330 Mesalazine EP Impurity F, 90.30% | 570-23-0 Mesalazine EP Impurity F|C4X-13246|570-23-0 https://www.jk-sci.com/products/s57c4x-132434 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446061.png?v=1791719340 Mesalazine EP Impurity D, 97.60% | 99-05-8 Mesalazine EP Impurity D|C4X-132434|99-05-8 https://www.jk-sci.com/products/s57c4x-13263 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4041beb942681761ba49eec040467997.jpg?v=1791719321 Triamcinolone Acetonide Related Compound C, 96.30% | 161740-69-8 Triamcinolone Acetonide Related Compound C|C4X-13263|161740-69-8 https://www.jk-sci.com/products/s57c4x-132646 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_173304cd-1cdd-494f-b1f9-4dea6ba9bdf2.png?v=1791719315 Triamcinolone Acetonide Impurity 46, Purity: 97.7% Triamcinolone Acetonide Impurity 46|C4X-132646 https://www.jk-sci.com/products/s57c4x-13261 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a12a3d2a78d4c73d17ca6f3f3c6caec.jpg?v=1791719325 Triamcinolone Acetonide EP Impurity B, 99.20% | 1260149-96-9 Triamcinolone Acetonide EP Impurity B|C4X-13261|1260149-96-9 https://www.jk-sci.com/products/s57c4x-13264 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/846b41560d0a6906f39c723dbeef9d9a.jpg?v=1791719319 Triamcinolone Acetonide EP Impurity D, 95.10% | 10392-74-2 Triamcinolone Acetonide EP Impurity D|C4X-13264|10392-74-2 https://www.jk-sci.com/products/a011528556 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f772d6a-95b1-4038-b3e9-160dfeb49b5d.png?v=1791776954 PTB7 | 1266549-31-8 PTB7|1528556|1266549-31-8 https://www.jk-sci.com/products/s57c4x-13267 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1188072.png?v=1791719310 Triamcinolone Acetonide EP Impurity F, 99.40% | 3870-07-3 Triamcinolone Acetonide EP Impurity F|C4X-13267|3870-07-3 https://www.jk-sci.com/products/s57c4x-132714 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d75d52f715d84a6a3ca8dfc838463f1.jpg?v=1791719305 Econazole EP Impurity B, 86.20% | 2334059-11-7 Econazole EP Impurity B|C4X-132714|2334059-11-7 https://www.jk-sci.com/products/s57c4x-11972 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57242254-5bf6-42a2-b612-e5d90463b559.png?v=1791720806 Sodium Fusidate EP Impurity B, 90.10% Sodium Fusidate EP Impurity B|C4X-11972 https://www.jk-sci.com/products/s57c4x-12083 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90f3a59fa8e1ff08b666d4d08d442598.jpg?v=1791720625 Posaconazole Impurity 3, 97.80% | 2243786-02-7 Posaconazole Impurity 3|C4X-12083|2243786-02-7 https://www.jk-sci.com/products/s57c4x-12133 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6922e08e94d8f5304fc13fe8ceab6b44.jpg?v=1791720491 Roxatidine Impurity 3, 76.30% | 195621-06-8 Roxatidine Impurity 3|C4X-12133|195621-06-8 https://www.jk-sci.com/products/s57c4x-123057 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617030_9189f597-2970-48b5-a4df-9ff05aa503ec.png?v=1791720349 Dexmedetomidine Impurity 57, 91.00% | 617-86-7 Dexmedetomidine Impurity 57|C4X-123057|617-86-7 https://www.jk-sci.com/products/s57c4x-122511 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8accb55bc289e55cb3434756bf28498b.jpg?v=1791720412 Trimethoprim EP Impurity A, 96.60% | 213745-86-9 Trimethoprim EP Impurity A|C4X-122511|213745-86-9 https://www.jk-sci.com/products/s57c4x-123629 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7bcf530-6836-4076-b91a-b1ac4b570c11.png?v=1791720209 Isavuconazole Impurity 29, Purity: 99.0% Isavuconazole Impurity 29|C4X-123629 https://www.jk-sci.com/products/s57c4x-123914 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79a88eae268af71186b9b198cec0fef0.jpg?v=1791720125 Anastrozole Impurity 14, 95.70% | 1338800-82-0 Anastrozole Impurity 14|C4X-123914|1338800-82-0 https://www.jk-sci.com/products/s57c4x-123544 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee97cad0-8866-44e9-8ed4-75f717b3522f.png?v=1791720256 Piracetam Impurity 44, 94.60% Piracetam Impurity 44|C4X-123544 https://www.jk-sci.com/products/s57c4x-12446 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814082_62653e8f-0198-45ed-9dc1-88b187e52930.png?v=1791719996 Quetiapine EP Impurity H, 97.60% | 1076199-40-0 Quetiapine EP Impurity H|C4X-12446|1076199-40-0 https://www.jk-sci.com/products/s57c4x-124210 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50b134a711a4c49436f5f92d9611e33b.jpg?v=1791720064 Rocuronium Impurity 10, 76.30% | 50588-22-2 Rocuronium Impurity 10|C4X-124210|50588-22-2 https://www.jk-sci.com/products/s57c4x-124727 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ca79129976f06acfa4a5115f6a1e2fe.jpg?v=1791719938 Bisoprolol Impurity 27, 93.20% | 66722-57-4 Bisoprolol Impurity 27|C4X-124727|66722-57-4 https://www.jk-sci.com/products/s57c4x-12489 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0da5dbb73d3d9bf7ae4bb295ad082690.jpg?v=1791719888 Valaciclovir EP Impurity I(Aciclovir EP Impurity A), 97.20% | 102728-64-3 Valaciclovir EP Impurity I(Aciclovir EP Impurity A)|C4X-12489|102728-64-3 https://www.jk-sci.com/products/s57c4x-125230 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f79c6c147ec6006854fbc4943421e253.jpg?v=1791719866 Perindopril Impurity 30, Purity: 100.0% | 145682-38-8 Perindopril Impurity 30|C4X-125230|145682-38-8 https://www.jk-sci.com/products/s57c4x-125240 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_736a5964-5038-406b-bcaf-bd2421a66852.png?v=1791719855 Perindopril Impurity 40, 98.60% Perindopril Impurity 40|C4X-125240 https://www.jk-sci.com/products/s57c4x-125423 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d56af494f40d8df9219954c00f1f73a4.jpg?v=1791719820 Tirofiban Impurity 23, 99.80% | 149490-60-8 Tirofiban Impurity 23|C4X-125423|149490-60-8 https://www.jk-sci.com/products/s57c4x-125818 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15edd4e5e0a4d03084d4016e2e2ae9be_0645c918-4231-46a7-8035-d654ef956ffc.jpg?v=1791719783 Buspirone EP Impurity A, 97.30% | 20980-22-7 Buspirone EP Impurity A|C4X-125818|20980-22-7 https://www.jk-sci.com/products/s57c4x-125628 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f263586ab30902c0aacb63f28fd58a0d.jpg?v=1791719804 Nilotinib Impurity 28, 98.90% | 641569-97-3 Nilotinib Impurity 28|C4X-125628|641569-97-3 https://www.jk-sci.com/products/s57c4x-12583 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2864367bfac9cf2e76a5076a0a737399.jpg?v=1791719766 Buspirone EP Impurity C, 93.90% | 257877-45-5 Buspirone EP Impurity C|C4X-12583|257877-45-5 https://www.jk-sci.com/products/s57c4x-125314 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c1cd6b812c513c66b18f2f73e0ce8e9.jpg?v=1791719837 Gatifloxacin Impurity 14, 74.50% | 114213-69-3 Gatifloxacin Impurity 14|C4X-125314|114213-69-3 https://www.jk-sci.com/products/s57c4x-12658 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331081_5d83fbb4-d616-4965-9570-529ec5a89e85.png?v=1791719739 Clomipramine Impurity 8, 99.90% | 109-54-6 Clomipramine Impurity 8|C4X-12658|109-54-6 https://www.jk-sci.com/products/s57c4x-126724 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6074b882-8cc3-44a0-b1ae-89dac5fbdfe4.png?v=1791719718 Ixazomib Impurity 24, 93.10% Ixazomib Impurity 24|C4X-126724 https://www.jk-sci.com/products/s57c4x-126749 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e744e238-fcaa-4ba9-87cf-a6c57fc71695.png?v=1791719695 Ixazomib Impurity 49, 96.80% Ixazomib Impurity 49|C4X-126749 https://www.jk-sci.com/products/s57c4x-12705 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecc5772211a525fe732e525f2bc8bf98.jpg?v=1791719660 Cefaclor EP Impurity E, 92.30% | 188915-50-6 Cefaclor EP Impurity E|C4X-12705|188915-50-6 https://www.jk-sci.com/products/s57c4x-12722 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb063600e5b0e49290f4f4f3a33455cb.jpg?v=1791719636 Nifuratel Impurity 2, 95.20% | 736-53-8 Nifuratel Impurity 2|C4X-12722|736-53-8 https://www.jk-sci.com/products/s57c4x-12681 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a91014d6335294c473ca9a3d487ceb5.jpg?v=1791719680 Nalmefene Impurity 1, 98.00% | 42971-33-5 Nalmefene Impurity 1|C4X-12681|42971-33-5 https://www.jk-sci.com/products/s57c4x-12892 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24f2b5e0-8242-49bd-ae7b-2cc9d7c5add2.png?v=1791719622 Faropenem Impurity 2, 90.20% Faropenem Impurity 2|C4X-12892 https://www.jk-sci.com/products/s57c4x-12922 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7abbb0ea-708d-48a2-8fd4-9dc9df9a6bde.png?v=1791719613 Levocarnitine EP Impurity B, 97.00% Levocarnitine EP Impurity B|C4X-12922 https://www.jk-sci.com/products/s57c4x-129230 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355552_8dbbc907-d24b-455b-9d82-ade6b446f1df.png?v=1791719609 Levocarnitine Impurity 30 (D-Camphoric Acid), 98.20% | 124-83-4 Levocarnitine Impurity 30 (D-Camphoric Acid)|C4X-129230|124-83-4 https://www.jk-sci.com/products/s57c4x-129410 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_30271e64-db1a-4335-84e3-d4f119f9272b.png?v=1791719598 Guaifenesin Glucose Adduct 1, Purity: 98.4% Guaifenesin Glucose Adduct 1|C4X-129410 https://www.jk-sci.com/products/s57c4x-12945 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5bbb66aa6f3f25f1d51536ffcc552c.jpg?v=1791719592 Guaifenesin Impurity 5, 99.70% | 2049-21-0 Guaifenesin Impurity 5|C4X-12945|2049-21-0 https://www.jk-sci.com/products/s57c4x-12982 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616103_d2a29808-f7f8-4fcf-b8e3-8eb0423359fc.png?v=1791719582 Dobutamine EP Impurity B, 100.00% | 5471-51-2 Dobutamine EP Impurity B|C4X-12982|5471-51-2 https://www.jk-sci.com/products/s57c4x-12983 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68f3c71324e9d544c8482823b74815ec.jpg?v=1791719578 Dobutamine EP Impurity C HCl, 95.20% | 51062-14-7 Dobutamine EP Impurity C HCl|C4X-12983|51062-14-7 https://www.jk-sci.com/products/s57c4x-129839 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_50a3c4be-2a3a-45a5-aa68-849e43a9f99e.png?v=1791719573 Dobutamine Impurity 39 HCl, Purity: 98.4% Dobutamine Impurity 39 HCl|C4X-129839 https://www.jk-sci.com/products/s57c4x-13015 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d1178bf6a29963da4eab279ffa41f27.jpg?v=1791719529 Deoxyprednisolone-16-ene, 99.30% | 3103-17-1 Deoxyprednisolone-16-ene|C4X-13015|3103-17-1 https://www.jk-sci.com/products/s57c4x-130310 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b4652814c2f00bd6a94f6d159fd0d0b.jpg?v=1791719522 Roxithromycin EP Impurity J, 98.40% | 134834-12-1 Roxithromycin EP Impurity J|C4X-130310|134834-12-1 https://www.jk-sci.com/products/s57c4x-13034 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdb7f808a9e5ecc7c589e9bd5af0db50.jpg?v=1791719517 Roxithromycin EP Impurity D, 91.90% | 134931-00-3 Roxithromycin EP Impurity D|C4X-13034|134931-00-3 https://www.jk-sci.com/products/s57c4x-130820 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef7995aabc8516389ef922a693fa9273.jpg?v=1791719493 Levosimendan Impurity 20, 95.90% | 131741-37-2 Levosimendan Impurity 20|C4X-130820|131741-37-2 https://www.jk-sci.com/products/s57c4x-130423 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07308acd-98fc-4d51-a759-6136e01c45e7.png?v=1791719506 Penehyclidine Impurity 3 HCI, 90.40% Penehyclidine Impurity 3 HCI|C4X-130423 https://www.jk-sci.com/products/s57c4x-1309 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/215777_68e6f65b-54fe-428f-8aaa-2734afa6f0ef.png?v=1791719478 Meropenem Trihydrate, 99.80% | 119478-56-7 Meropenem Trihydrate|C4X-1309|119478-56-7 https://www.jk-sci.com/products/s57c4x-13111 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5840ef401caed904e262eb5ce2794dda.jpg?v=1791719468 Cyclosporin A Isomer, 99.50% | 59865-16-6 Cyclosporin A Isomer|C4X-13111|59865-16-6 https://www.jk-sci.com/products/s57c4x-131212 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3798086df6c408aabfa6b7ee8d00923.jpg?v=1791719462 Pregabalin Impurity 12, 99.60% | 216576-74-8 Pregabalin Impurity 12|C4X-131212|216576-74-8 https://www.jk-sci.com/products/s57c4x-131223 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576a19a2f8bc2cd9ee104e7831eba7b6.jpg?v=1791719457 Pregabalin Impurity 23, 99.90% | 181289-34-9 Pregabalin Impurity 23|C4X-131223|181289-34-9 https://www.jk-sci.com/products/s57c4x-13123 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06a3b91baacfb816bec855cbbfc5ff5b.jpg?v=1791719446 Pregabalin Impurity 3, Purity: 100.0% | 916982-10-0 Pregabalin Impurity 3|C4X-13123|916982-10-0 https://www.jk-sci.com/products/s57c4x-13128 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aacf04eb-364c-4394-80cc-476ceeceb07e.png?v=1791719420 Pregabalin Impurity PD 0224377, Purity: 99.3% Pregabalin Impurity PD 0224377|C4X-13128 https://www.jk-sci.com/products/s57c4x-131290 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c072f0c6ce3b6619542d70364d3375a.jpg?v=1791719410 Pregabalin Impurity 90, 93.20% | 1486961-58-3 Pregabalin Impurity 90|C4X-131290|1486961-58-3 https://www.jk-sci.com/products/s57c4x-131616 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524128_e6963110-0ef0-4850-8961-b05d9d813fa6.png?v=1791719393 Fosfomycin Disodium Salt, 91.50% | 26016-99-9 Fosfomycin Disodium Salt|C4X-131616|26016-99-9 https://www.jk-sci.com/products/s57c4x-1316 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/445280_85656694-fcb3-4758-bffe-9abc493bf4ea.png?v=1791719401 Fosfomycin Trometamol, 99.40% | 78964-85-9 Fosfomycin Trometamol|C4X-1316|78964-85-9 https://www.jk-sci.com/products/s57c4x-131260 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54e21203995ee308e4894419ad497e60_62f6be3a-574d-48ff-8c78-bb9ec3e0b92c.jpg?v=1791719430 Pregabalin Impurity 60, 100.00% | 181289-33-8 Pregabalin Impurity 60|C4X-131260|181289-33-8 https://www.jk-sci.com/products/s57c4x-131666 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/580016_b62300bd-3b5a-411e-8bf0-64ebcf9fbde5.png?v=1791719388 Fosfomycin Impurity 66, 93.50% | 13086-84-5 Fosfomycin Impurity 66|C4X-131666|13086-84-5 https://www.jk-sci.com/products/s57c4x-13212 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337417_9bb8cf2d-308c-42eb-b0c9-e3826352e8b6.png?v=1791719375 Triclabendazole, 99.70% | 68786-66-3 Triclabendazole|C4X-13212|68786-66-3 https://www.jk-sci.com/products/s57c4x-13222 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c376b5bcd2dc25ef836a9c778163ffb8.jpg?v=1791719367 Propafenone EP Impurity B HCl, 98.80% | 88308-22-9 Propafenone EP Impurity B HCl|C4X-13222|88308-22-9 https://www.jk-sci.com/products/s57c4x-13226 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/016fd68208c49a780445ecf49148f868.jpg?v=1791719361 Propafenone EP Impurity F, Purity: 99.7% | 1329643-40-4 Propafenone EP Impurity F|C4X-13226|1329643-40-4 https://www.jk-sci.com/products/s57c4x-132413 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386538_9a6f2fdb-8ee5-42d8-a457-e548a553ba12.png?v=1791719357 Mesalazine EP Impurity M, 99.80% | 2516-96-3 Mesalazine EP Impurity M|C4X-132413|2516-96-3 https://www.jk-sci.com/products/s57c4x-132419 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d93466b4b8594d99825da7f0a7f5570.jpg?v=1791719345 Mesalazine EP Impurity S, 90.40% | 1797983-23-3 Mesalazine EP Impurity S|C4X-132419|1797983-23-3 https://www.jk-sci.com/products/s57c4x-132435 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/237938_f06ed7e3-8338-41c0-ab6f-02d6da5be053.png?v=1791719336 Mesalazine EP Impurity R, 90.10% | 85-38-1 Mesalazine EP Impurity R|C4X-132435|85-38-1 https://www.jk-sci.com/products/s57c4x-13247 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454213_6c48a250-927e-495d-ad5f-f5d6f87cdc0d.png?v=1791719331 Mesalazine EP Impurity G, 98.20% | 490-79-9 Mesalazine EP Impurity G|C4X-13247|490-79-9 https://www.jk-sci.com/products/s57c4x-13262 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409302_fb456e1b-e884-4523-9a9e-55ff4a2f71aa.png?v=1791719326 Triamcinolone Acetonide EP Impurity A, 98.90% | 124-94-7 Triamcinolone Acetonide EP Impurity A|C4X-13262|124-94-7 https://www.jk-sci.com/products/s57c4x-13269 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6328f2b9c963cfdd899717915c408fd4.jpg?v=1791719307 21-Carboxylic Acid Triamcinolone Acetonide, 96.80% | 53962-41-7 21-Carboxylic Acid Triamcinolone Acetonide|C4X-13269|53962-41-7 https://www.jk-sci.com/products/s57c4x-132640 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d99e17f-2795-4b0d-a25f-45abdc3584b5.png?v=1791719315 Triamcinolone Impurity 40, 89.70% Triamcinolone Impurity 40|C4X-132640 https://www.jk-sci.com/products/s57c4x-13275 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3827c05e475fd5a945112543967d15dc.jpg?v=1791719303 Econazole Impurity 5, Purity: 95.0% | 81547-71-9 Econazole Impurity 5|C4X-13275|81547-71-9 https://www.jk-sci.com/products/s57c4x-132813 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee8e3a860ee95b9040df85d58d82935f.jpg?v=1791719299 Cilostazol Impurity 13, 98.00% | 22716-03-6 Cilostazol Impurity 13|C4X-132813|22716-03-6 https://www.jk-sci.com/products/s57c4x-13284 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ae0c4ab768c7b5e94b20ec5577861fd.jpg?v=1791719294 Cilostazol related compound C, 96.30% | 865792-18-3 Cilostazol related compound C|C4X-13284|865792-18-3 https://www.jk-sci.com/products/s57c4x-13302 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149466.png?v=1791719289 Caffeine EP Impurity C, 99.80% | 519-32-4 Caffeine EP Impurity C|C4X-13302|519-32-4 https://www.jk-sci.com/products/s57c4x-13310 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e14dad88e1c24079a54a81f2a94631f.jpg?v=1791719278 S-Ornidazole, 99.90% | 166734-83-4 S-Ornidazole|C4X-13310|166734-83-4 https://www.jk-sci.com/products/s57c4x-13305 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150127_a3dd9a23-5e21-4953-8cbb-9e9f84a09a9e.png?v=1791719284 Caffeine Impurity 5, 99.40% | 611-59-6 Caffeine Impurity 5|C4X-13305|611-59-6 https://www.jk-sci.com/products/s57c4x-1331103 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_69a23eae-e9bf-4939-bcf1-f01c253a1e3c.png?v=1791719277 Ornidazole Impurity 77 HCI, 93.90% Ornidazole Impurity 77 HCI|C4X-1331103 https://www.jk-sci.com/products/s57c4x-133114 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fb29e106c95c33636e81aaae30cf1c3.jpg?v=1791719273 Ornidazole Impurity 14, 84.30% | 116989-52-7 Ornidazole Impurity 14|C4X-133114|116989-52-7 https://www.jk-sci.com/products/s57c4x-133120 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e98784014660f363af0820e8f198efa.jpg?v=1791719269 Ornidazole Impurity 20, 96.40% | 1413431-46-5 Ornidazole Impurity 20|C4X-133120|1413431-46-5 https://www.jk-sci.com/products/s57c4x-133123 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2689a8efafec41f7d53eb3b47d55c97a.jpg?v=1791719268 Ornidazole Impurity 23, 98.40% | 19183-16-5 Ornidazole Impurity 23|C4X-133123|19183-16-5 https://www.jk-sci.com/products/s57c4x-133126 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2a5a33eb5353f93924599bd569cd0b.jpg?v=1791719262 Ornidazole Impurity 26, 98.70% | 62580-79-4 Ornidazole Impurity 26|C4X-133126|62580-79-4 https://www.jk-sci.com/products/s57c4x-133130 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d6f4c22-98ec-411f-9f35-daa5f9f18020.png?v=1791719261 Ornidazole Impurity 30, 96.30% Ornidazole Impurity 30|C4X-133130 https://www.jk-sci.com/products/s57c4x-13314 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb4d77be0e8fde67daa9540c479a27e1.jpg?v=1791719251 Ornidazole Impurity 4, 99.10% | 62580-80-7 Ornidazole Impurity 4|C4X-13314|62580-80-7 https://www.jk-sci.com/products/s57c4x-133138 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0bd26bf8-fb3d-4f3c-8996-f3f70f79cb71.png?v=1791719256 Ornidazole Impurity 38, 98.70% Ornidazole Impurity 38|C4X-133138 https://www.jk-sci.com/products/s57c4x-13321 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536294.png?v=1791719239 Nafamostat Mesylate, 98.80% | 82956-11-4 Nafamostat Mesylate|C4X-13321|82956-11-4 https://www.jk-sci.com/products/s57c4x-133167 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac2abf52-fedb-4420-9951-2bf51da45cb1.png?v=1791719251 Ornidazole Impurity 67, 75.40% Ornidazole Impurity 67|C4X-133167 https://www.jk-sci.com/products/s57c4x-133215 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/049a10ab2174e0e6368e336d11042705.jpg?v=1791719234 Nafamostat Impurity 15, 92.50% | 6306-25-8 Nafamostat Impurity 15|C4X-133215|6306-25-8 https://www.jk-sci.com/products/s57c4x-133171 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/750d7cda356284e2379908b67eb6381a.jpg?v=1791719244 【结构重复，见C4X-133149】Ornidazole Impurity 71, Purity: 98.9% | 1685275-23-3 【结构重复，见C4X-133149】Ornidazole Impurity 71|C4X-133171|1685275-23-3 https://www.jk-sci.com/products/s57c4x-133184 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_82b6c692-b93f-46d8-acbd-e80879dd1fd3.png?v=1791719242 Ornidazole Impurity 84, 83.00% Ornidazole Impurity 84|C4X-133184 https://www.jk-sci.com/products/s57c4x-133217 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_009f2e65-ba2e-4570-9c18-35196d4a0ced.png?v=1791719232 Nafamostat Impurity 17, 91.00% Nafamostat Impurity 17|C4X-133217 https://www.jk-sci.com/products/s57c4x-133219 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87117e08f1a2c32bfcb55dd6a9127b1d.jpg?v=1791719227 Nafamostat Impurity 19, 82.10% | 63101-32-6 Nafamostat Impurity 19|C4X-133219|63101-32-6 https://www.jk-sci.com/products/s57c4x-13323 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_19b94267-955a-41ec-bf5e-4744f532ca9a.png?v=1791719223 Nafamostat Impurity 3, 95.70% Nafamostat Impurity 3|C4X-13323 https://www.jk-sci.com/products/s57c4x-133249 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6ade09d-9362-44bc-a90c-f36cf3d12afb.png?v=1791719219 Nafamostat Impurity 49 HCl, 96.00% Nafamostat Impurity 49 HCl|C4X-133249 https://www.jk-sci.com/products/s57c4x-133322 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76dbb2f87aaa960cb955e3f5cb20e17d_d126d475-4919-44b9-ac38-8119921d49be.jpg?v=1791719215 Sunitinib Impurity 22, 99.00% | 452105-33-8 Sunitinib Impurity 22|C4X-133322|452105-33-8 https://www.jk-sci.com/products/s57c4x-13334 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795552_71e51eba-3f2c-4f69-98db-a40772859403.png?v=1791719209 Sunitinib Impurity 4, Purity: 99.4% | 17106-13-7 Sunitinib Impurity 4|C4X-13334|17106-13-7 https://www.jk-sci.com/products/s57c4x-133350 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b95f10f-d9e2-4036-85ac-0beadcec413d.png?v=1791719208 Sunitinib Impurity 50, 86.30% Sunitinib Impurity 50|C4X-133350 https://www.jk-sci.com/products/s57c4x-13341 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6720edf-6507-4ec2-aa6f-8a66635ea253.png?v=1791719198 Enalapril EP Impurity H Maleate, 96.50% Enalapril EP Impurity H Maleate|C4X-13341 https://www.jk-sci.com/products/s57c4x-133355 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85120e875ead0439a9da6c60b9e59ff9.jpg?v=1791719198 N-Desethyl Sunitinib-d5, Purity>95% | 1217247-62-5 N-Desethyl Sunitinib-d5|C4X-133355|1217247-62-5 https://www.jk-sci.com/products/s57c4x-133412 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f693e1f-1181-47d9-900f-364be2acdd64.png?v=1791719192 Enalapril EP Impurity A(HCl), Purity: 95.2% Enalapril EP Impurity A(HCl)|C4X-133412 https://www.jk-sci.com/products/s57c4x-133431 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d2f6230f-f0b0-4219-82e4-bed0358ef87d.png?v=1791719188 Enalapril Impurity 31, 96.40% Enalapril Impurity 31|C4X-133431 https://www.jk-sci.com/products/s57c4x-13345 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/267951.png?v=1791719183 Enalapril EP Impurity B(Quinapril EP Impurity B), 98.80% | 82717-96-2 Enalapril EP Impurity B(Quinapril EP Impurity B)|C4X-13345|82717-96-2 https://www.jk-sci.com/products/s57c4x-133519 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d6586ad-63a7-4fd8-ab64-f73754e03397.png?v=1791719181 Calcium Levofolinate EP Impurity F(Calcium salt), Purity: 91.2% Calcium Levofolinate EP Impurity F(Calcium salt)|C4X-133519 https://www.jk-sci.com/products/s57c4x-133611 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bb4d7b319c409c53688bc5c8f76eebf.jpg?v=1791719178 Duloxetine USP Related Compound H, 92.60% | 199191-66-7 Duloxetine USP Related Compound H|C4X-133611|199191-66-7 https://www.jk-sci.com/products/s57c4x-133613 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213330.png?v=1791719172 Duloxetine Impurity 13, 98.00% | 5424-47-5 Duloxetine Impurity 13|C4X-133613|5424-47-5 https://www.jk-sci.com/products/a011534576 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74fc7e8c522e8c8d31f7360c4491b22e.jpg?v=1791776911 1,3,4,6-Tetra-O-acetyl-2-(2-azidoacetamido)-2-deoxy-β-D-glucopyranose, 95% | 98924-81-3 1,3,4,6-Tetra-O-acetyl-2-(2-azidoacetamido)-2-deoxy-β-D-glucopyranose, 95%|1534576|98924-81-3 https://www.jk-sci.com/products/s57c4x-133620 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9d09161c5b934376ea8c6ccbaca0712.jpg?v=1791719167 rac-Duloxetine-d3 HCl, Purity>95% | 1188266-11-6 rac-Duloxetine-d3 HCl|C4X-133620|1188266-11-6 https://www.jk-sci.com/products/a01266145 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147862.png?v=1793053143 1,3,5-Triisopropylbenzene, 95% | 717-74-8 1,3,5-Triisopropylbenzene, 95%|266145|717-74-8 https://www.jk-sci.com/products/s57c4x-133638 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b75c198671bbcc801157de15539f185.jpg?v=1791719159 Duloxetine impurity 38, 94.60% | 2418708-78-6 Duloxetine impurity 38|C4X-133638|2418708-78-6 https://www.jk-sci.com/products/s57c4x-133641 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c0e17c806fb358b61c95ab708b47b40.jpg?v=1791719156 Duloxetine EP Impurity F, 99.50% | 959392-22-4 Duloxetine EP Impurity F|C4X-133641|959392-22-4 https://www.jk-sci.com/products/a01266170 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266170.png?v=1791771277 3,5-Dimethylbenzaldehyde, 98% | 5779-95-3 3,5-Dimethylbenzaldehyde, 98%|266170|5779-95-3 https://www.jk-sci.com/products/a01266291 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266291.png?v=1791771273 N,N-Dimethylthioformamide, 98% | 758-16-7 N,N-Dimethylthioformamide, 98%|266291|758-16-7 https://www.jk-sci.com/products/a01266666 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266666.png?v=1793053136 α-Terpineol, 97% | 98-55-5 α-Terpineol, 97%|266666|98-55-5 https://www.jk-sci.com/products/s57c4x-13371 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/633c1bd82f72b34cc6e6facd357203cb.jpg?v=1791719147 Desacetyl Cefathiamidine, 91.90% | 958001-61-1 Desacetyl Cefathiamidine|C4X-13371|958001-61-1 https://www.jk-sci.com/products/a01266846 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266846.png?v=1791771225 Cimetidine, 99%, a histamine-2 (H2) receptor antagonist | 51481-61-9 Cimetidine, 99%, a histamine-2 (H2) receptor antagonist|266846|51481-61-9 https://www.jk-sci.com/products/s57c4x-13381 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/594186_9889cdbc-7216-494b-9595-18ebce588d02.png?v=1791719141 Terbinafine EP Impurity A HCl, 99.10% | 65473-13-4 Terbinafine EP Impurity A HCl|C4X-13381|65473-13-4 https://www.jk-sci.com/products/a01267872 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/267872.png?v=1791771185 N,N'-Diphenylethylenediamine, 98% | 150-61-8 N,N'-Diphenylethylenediamine, 98%|267872|150-61-8 https://www.jk-sci.com/products/a01968149 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8077b0bf7d7624a3955cc3ac6d2abca3.jpg?v=1791755681 1,2,3,4,6-Penta-O-benzoyl-α-D-mannopyranose, 98% | 41569-33-9 1,2,3,4,6-Penta-O-benzoyl-α-D-mannopyranose, 98%|968149|41569-33-9 https://www.jk-sci.com/products/a01968510 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bf215e726c890002610b3c1606192e3.jpg?v=1791755657 DOTA-tris(tBu)ester NHS ester, 95% | 819869-77-7 DOTA-tris(tBu)ester NHS ester, 95%|968510|819869-77-7 https://www.jk-sci.com/products/a01968198 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466475.png?v=1793051922 N-Succinimidyl 5-azido-2-nitrobenzoate, 97% | 60117-35-3 N-Succinimidyl 5-azido-2-nitrobenzoate, 97%|968198|60117-35-3 https://www.jk-sci.com/products/a01968271 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133232.png?v=1791755673 2'-Deoxy-2'-fluorocytidine hydrate, 98% | 10212-20-1 2'-Deoxy-2'-fluorocytidine hydrate, 98%|968271|10212-20-1 https://www.jk-sci.com/products/s57c4x-133818 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282e61c12fe7ac8b7556a33ebd596d5f.jpg?v=1791719131 2-(Chloromethyl)naphthalene, 98.00% | 2506-41-4 2-(Chloromethyl)naphthalene|C4X-133818|2506-41-4 https://www.jk-sci.com/products/s57c4x-133825 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c423d1e-7601-4dc9-89e1-f32c0c6dc26c.png?v=1791719124 Desmethylterbinafine-nitrosamine, 98.90% Desmethylterbinafine-nitrosamine|C4X-133825 https://www.jk-sci.com/products/s57c4x-133827 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265635.png?v=1791719115 Terbinafine lmpurity 27, 98.20% | 917-92-0 Terbinafine lmpurity 27|C4X-133827|917-92-0 https://www.jk-sci.com/products/s57c4x-133821 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82e37ec230e8cd6e5b4ebd388cf694b4.jpg?v=1791719126 Terbinafine EP Impurity E, 92.50% | 934365-23-8 Terbinafine EP Impurity E|C4X-133821|934365-23-8 https://www.jk-sci.com/products/s57c4x-13384 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55cde115caeb3427010a22970d1c1117.jpg?v=1791719109 Terbinafine EP Impurity D HCl, 93.10% | 877265-33-3 Terbinafine EP Impurity D HCl|C4X-13384|877265-33-3 https://www.jk-sci.com/products/s57c4x-13386 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d9aa9262-dbd8-4e36-b427-31e482eb4575.png?v=1791719104 Terbinafine Hydrochloride EP Impurity F HCl, 94.70% Terbinafine Hydrochloride EP Impurity F HCl|C4X-13386 https://www.jk-sci.com/products/s57c4x-133830 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01ed45dd13825e9ffcbc4c1f84094f45.jpg?v=1791719116 Terbinafine Impurity 30, 97.00% | 134865-58-0 Terbinafine Impurity 30|C4X-133830|134865-58-0 https://www.jk-sci.com/products/s57c4x-133912 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dd975d52-f828-4e03-8fee-12553da3542a.png?v=1791719099 Umeclidinium Impurity 12, 97.80% Umeclidinium Impurity 12|C4X-133912 https://www.jk-sci.com/products/s57c4x-133910 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c558e5da055f2c55f0d6f570435ae5ec.jpg?v=1791719101 Umeclidinium Impurity 10, 97.00% | 461648-39-5 Umeclidinium Impurity 10|C4X-133910|461648-39-5 https://www.jk-sci.com/products/a01968534 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402420.png?v=1793051922 trans-Bis(acetato)bis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium(II), 98% | 172418-32-5 trans-Bis(acetato)bis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium(II), 98%|968534|172418-32-5 https://www.jk-sci.com/products/a01968868 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355219.png?v=1791755633 1-(3-Bromophenyl)-piperazine, 98% | 31197-30-5 1-(3-Bromophenyl)-piperazine, 98%|968868|31197-30-5 https://www.jk-sci.com/products/a01968671 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/221127.png?v=1791755647 (R)-2-Amino-1,1-diphenylpropan-1-ol, 98% | 78603-93-7 (R)-2-Amino-1,1-diphenylpropan-1-ol, 98%|968671|78603-93-7 https://www.jk-sci.com/products/s57c4x-13401 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581876.png?v=1791719082 Clozapine EP impurity A, 99.30% | 50892-62-1 Clozapine EP impurity A|C4X-13401|50892-62-1 https://www.jk-sci.com/products/s57c4x-1341113 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115249.png?v=1791719062 Clindamycin Palmitate Hydrochloride, 98.50% | 25507-04-4 Clindamycin Palmitate Hydrochloride|C4X-1341113|25507-04-4 https://www.jk-sci.com/products/a01969132 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a019140175064f56170c2ea0e6cfeae8.jpg?v=1791755622 3-(Isopropylamino)propan-1-ol, 97% | 33918-15-9 3-(Isopropylamino)propan-1-ol, 97%|969132|33918-15-9 https://www.jk-sci.com/products/s57c4x-13402 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/377238.png?v=1791719077 Clozapine EP Impurity B, 95.40% | 263366-81-0 Clozapine EP Impurity B|C4X-13402|263366-81-0 https://www.jk-sci.com/products/s57c4x-13406 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a913f60921830b3865b8480110a23b9.jpg?v=1791719073 Dechloroclozapine, 94.30% | 1977-07-7 Dechloroclozapine|C4X-13406|1977-07-7 https://www.jk-sci.com/products/s57c4x-13411 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612513.png?v=1791719070 Clindamycin EP Impurity A, 99.20% | 154-21-2 Clindamycin EP Impurity A|C4X-13411|154-21-2 https://www.jk-sci.com/products/s57c4x-134111 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563ea7a0ef897e0a0b3b1876f322f027.jpg?v=1791719061 Clindamycin Phosphas EP Impurity F, 96.40% | 27480-30-4 Clindamycin Phosphas EP Impurity F|C4X-134111|27480-30-4 https://www.jk-sci.com/products/a01970291 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126986.png?v=1791755566 1,3-Di(adamantan-1-yl)-1H-imidazol-3-ium chloride, 97% | 131042-78-9 1,3-Di(adamantan-1-yl)-1H-imidazol-3-ium chloride, 97%|970291|131042-78-9 https://www.jk-sci.com/products/a01971665 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291182_9af60c02-a132-4270-ac03-ab493b3409f8.png?v=1791755517 1-(4-Chlorophenyl)ethanol, 98% | 3391-10-4 1-(4-Chlorophenyl)ethanol, 98%|971665|3391-10-4 https://www.jk-sci.com/products/s57c4x-1341127 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_360131b0-c6c7-4dab-9a20-1566a315f052.png?v=1791719047 Clindamycin 2,4-Dipalmitate, 98.30% Clindamycin 2,4-Dipalmitate|C4X-1341127 https://www.jk-sci.com/products/s57c4x-134127 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e55c28a8173391dab014eb936f8f4793.jpg?v=1791719037 Clindamycin Phosphate Sulfoxide Impurity, 90.60% | 1228573-90-7 Clindamycin Phosphate Sulfoxide Impurity|C4X-134127|1228573-90-7 https://www.jk-sci.com/products/s57c4x-134125 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511487c5f7dc443ac82148b333f61445.jpg?v=1791719042 Clindamycin Phosphas EP Impurity D, 85.90% | 54887-30-8 Clindamycin Phosphas EP Impurity D|C4X-134125|54887-30-8 https://www.jk-sci.com/products/s57c4x-134123 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70213edda54fd5fba137c2d69018e5c6.jpg?v=1791719042 Clindamycin Phosphas EP Impurity B, 91.10% | 54887-31-9 Clindamycin Phosphas EP Impurity B|C4X-134123|54887-31-9 https://www.jk-sci.com/products/s57c4x-13422 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b5614ecedab062b5eea45f8715345ee.jpg?v=1791719015 Lincomycin B, 96.00% | 2520-24-3 Lincomycin B|C4X-13422|2520-24-3 https://www.jk-sci.com/products/s57c4x-134144 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6828a8d6eec2c367cda5ea8181c18a95.jpg?v=1791719021 Clindamycin Phosphas Impurity 44, 91.40% | 22431-46-5 Clindamycin Phosphas Impurity 44|C4X-134144|22431-46-5 https://www.jk-sci.com/products/s57c4x-134177 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/491090_b3287e4f-18dc-467f-a7cb-7e1a4b0fd523.png?v=1791719020 Clindamycin Phosphate EP Impurity E, 91.10% | 18323-44-9 Clindamycin Phosphate EP Impurity E|C4X-134177|18323-44-9 https://www.jk-sci.com/products/s57c4x-134135 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13d55c67-8a92-434f-a321-17ec611659bb.png?v=1791719030 Clindamycin Phosphate EP Impurity H, 91.70% Clindamycin Phosphate EP Impurity H|C4X-134135 https://www.jk-sci.com/products/s57c4x-134138 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c079953f03d4af5c2e1041a6f67f729.jpg?v=1791719025 Dehydroclindamycin E/Z Mixture, 90.20% | 1440605-51-5 Dehydroclindamycin E/Z Mixture|C4X-134138|1440605-51-5 https://www.jk-sci.com/products/s57c4x-13413 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394106923330587271efe621be5577ef.jpg?v=1791719031 Clindamycin EP Impurity C, 95.00% | 16684-06-3 Clindamycin EP Impurity C|C4X-13413|16684-06-3 https://www.jk-sci.com/products/s57c4x-13426 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16b157f3b270d33eb2260a0d351ab97b.jpg?v=1791719006 Lincomycin EP Impurity F, 94.50% | 14810-93-6 Lincomycin EP Impurity F|C4X-13426|14810-93-6 https://www.jk-sci.com/products/s57c4x-134234 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3108f40c-8b37-469f-9cbc-e3522fa94443.png?v=1791719010 Lincomycin Hydrochloride EP Impurity B (Mixture of Z/E) HCl, 94.80% Lincomycin Hydrochloride EP Impurity B (Mixture of Z/E) HCl|C4X-134234 https://www.jk-sci.com/products/s57c4x-13428 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48c10fa68bc1726f7e557771a015fa8b.jpg?v=1791719005 Lincomycin EP Impurity E（HCl）, 94.20% | 6734-79-8 Lincomycin EP Impurity E（HCl）|C4X-13428|6734-79-8 https://www.jk-sci.com/products/s57c4x-134410 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48642f54c50e92f4b82cd9fc316da18a.jpg?v=1791718999 rac-cis-2,3-Isosertraline Hydrochloride(USP), 92.20% | 1198084-29-5 rac-cis-2,3-Isosertraline Hydrochloride(USP)|C4X-134410|1198084-29-5 https://www.jk-sci.com/products/s57c4x-134417 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cbc50eb1f12a8863bb6364c6ee16cbe.jpg?v=1791718994 Sertraline Impurity 17, 98.90% | 79896-31-4 Sertraline Impurity 17|C4X-134417|79896-31-4 https://www.jk-sci.com/products/s57c4x-134421 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f33e8ae8e2f6ed023284d0fa0a3cabf0.jpg?v=1791718989 Sertraline Impurity 21, 97.10% | 79617-89-3 Sertraline Impurity 21|C4X-134421|79617-89-3 https://www.jk-sci.com/products/s57c4x-134432 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/543b905cd49d07766639e37b6161d9ec.jpg?v=1791718989 Sertraline EP Impurity B HCl, 90.70% | 52758-05-1 Sertraline EP Impurity B HCl|C4X-134432|52758-05-1 https://www.jk-sci.com/products/s57c4x-13446 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0d40adcb0564d7daff324b7ab55480d.jpg?v=1791718977 Sertraline EP Impurity F, 99.40% | 155748-61-1 Sertraline EP Impurity F|C4X-13446|155748-61-1 https://www.jk-sci.com/products/s57c4x-134438 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/379d3d92f7c8ea8191ea8d90d7ad45bb.jpg?v=1791718984 N-Nitroso-Sertraline, 99.40% | 3006789-98-3 N-Nitroso-Sertraline|C4X-134438|3006789-98-3 https://www.jk-sci.com/products/s57c4x-134442 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304531.png?v=1791718977 Sertraline Impurity 42, 99.40% | 79560-19-3 Sertraline Impurity 42|C4X-134442|79560-19-3 https://www.jk-sci.com/products/s57c4x-134716 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454113.png?v=1791718962 Tebipenem Impurity 16 (stabilized with Copper chip), 95.90% | 53064-79-2 Tebipenem Impurity 16 (stabilized with Copper chip)|C4X-134716|53064-79-2 https://www.jk-sci.com/products/s57c4x-134816 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e42a0bcf77169a56d428cc77074e839.jpg?v=1791718953 Avibactam Impurity 16, 100.00% | 2064219-15-2 Avibactam Impurity 16|C4X-134816|2064219-15-2 https://www.jk-sci.com/products/s57c4x-13455 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49695549e29a88a06ecccf5a7c166b8d.jpg?v=1791718967 Spironolactone EP Impurity E, 99.40% | 33784-05-3 Spironolactone EP Impurity E|C4X-13455|33784-05-3 https://www.jk-sci.com/products/s57c4x-13453 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc3859d60e6563c40f92716550d1ccb9.jpg?v=1791718972 Spironolactone EP Impurity C, 97.80% | 976-70-5 Spironolactone EP Impurity C|C4X-13453|976-70-5 https://www.jk-sci.com/products/s57c4x-134821 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d51537b71084351dcc8c7479b35258e.jpg?v=1791718948 Avibactam Impurity 21, 100.00% | 1416134-63-8 Avibactam Impurity 21|C4X-134821|1416134-63-8 https://www.jk-sci.com/products/s57c4x-13481 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caee559d489a4a48a64ded9b9420e01d.jpg?v=1791718957 Avibactam Impurity 1, 99.70% | 2243810-78-6 Avibactam Impurity 1|C4X-13481|2243810-78-6 https://www.jk-sci.com/products/s57c4x-13459 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_81a954d1-c8c8-46a7-9185-2c0a7eb28fe1.png?v=1791718963 Spironolactone EP Impurity I, 97.40% Spironolactone EP Impurity I|C4X-13459 https://www.jk-sci.com/products/s57c4x-118134 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d06aac36-b3db-48c1-916e-936e77553fc0.png?v=1791720998 Carbamazepine Impurity 34, 98.80% Carbamazepine Impurity 34|C4X-118134 https://www.jk-sci.com/products/s57c4x-121123 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246817_ca92cb82-58ec-47cc-b29c-5c7f327ec3d3.png?v=1791720534 Acetaminophen-d3, Purity: 99.6% | 60902-28-5 Acetaminophen-d3|C4X-121123|60902-28-5 https://www.jk-sci.com/products/s57c4x-123010 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83f52aad56b6303808602e5824be2f5b.jpg?v=1791720380 Dexmedetomidine Impurity 10, 95.60% | 944263-08-5 Dexmedetomidine Impurity 10|C4X-123010|944263-08-5 https://www.jk-sci.com/products/s57c4x-124024 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbf1aa8567095cd40be853199f060a95.jpg?v=1791720094 Ziprasidone Impurity 24, Purity: 95.5% | 884305-07-1 Ziprasidone Impurity 24|C4X-124024|884305-07-1 https://www.jk-sci.com/products/s57c4x-12362 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b93df5e2c5039107dc93eee001eb2bc.jpg?v=1791720221 Isavuconazole Impurity 2, Purity: 99.1% | 2001051-99-4 Isavuconazole Impurity 2|C4X-12362|2001051-99-4 https://www.jk-sci.com/products/s57c4x-12528 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/304565_c596bf63-edc5-479d-ae2c-076c99221e7a.png?v=1791719845 Perindopril Related Compound A, Purity: 100.0% | 80875-98-5 Perindopril Related Compound A|C4X-12528|80875-98-5 https://www.jk-sci.com/products/s57c4x-12449 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fc5f4add464afe4fe15e5f4ae80f259.jpg?v=1791719984 Quetiapine EP Impurity J, 99.00% | 1356906-17-6 Quetiapine EP Impurity J|C4X-12449|1356906-17-6 https://www.jk-sci.com/products/s57c4x-125226 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3f0ba8c5bbba2589325dba6aa925a4d.jpg?v=1791719877 Perindopril Impurity 26 HCl, 97.60% | 1998700-99-4 Perindopril Impurity 26 HCl|C4X-125226|1998700-99-4 https://www.jk-sci.com/products/s57c4x-125822 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a538d63226f2dc06a347bc2159e8d1e.jpg?v=1791719772 Buspirone Impurity 22, 96.20% | 223461-35-6 Buspirone Impurity 22|C4X-125822|223461-35-6 https://www.jk-sci.com/products/s57c4x-1256 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0c1adcd66f62b30473dcdd6c315f297.jpg?v=1791719810 Nilotinib Hydrochloride Monohydrate, Purity: 100.0% | 923288-90-8 Nilotinib Hydrochloride Monohydrate|C4X-1256|923288-90-8 https://www.jk-sci.com/products/s57c4x-1267 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a55372e742b150e8227aefd99fde9c6a.jpg?v=1791719729 Ixazomib, 92.10% | 1072833-77-2 Ixazomib|C4X-1267|1072833-77-2 https://www.jk-sci.com/products/s57c4x-126763 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d005ca5c-d3b1-401d-98c5-771533df17ca.png?v=1791719689 Ixazomib Impurity 63, 96.90% Ixazomib Impurity 63|C4X-126763 https://www.jk-sci.com/products/s57c4x-1271 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591713_d5082877-6095-40c4-b484-0d15ffdf1379.png?v=1791719651 Bendamustine Hydrochloride, 95.30% | 3543-75-7 Bendamustine Hydrochloride|C4X-1271|3543-75-7 https://www.jk-sci.com/products/s57c4x-129211 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca5138d9254457cf298def098f1e3686.jpg?v=1791719619 Levocarnitine Impurity 11, 90.10% | 835638-57-8 Levocarnitine Impurity 11|C4X-129211|835638-57-8 https://www.jk-sci.com/products/s57c4x-12926 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141471_23492792-257c-46c8-9e8a-fd94665d40a7.png?v=1791719605 Levocarnitine Impurity 6, 92.70% | 2788-28-5 Levocarnitine Impurity 6|C4X-12926|2788-28-5 https://www.jk-sci.com/products/s57c4x-129811 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dd3a79bf-706c-46cb-8314-3f2b45a0b695.png?v=1791719586 Dobutamine Impurity 11, Purity: 98.7% Dobutamine Impurity 11|C4X-129811 https://www.jk-sci.com/products/s57c4x-129831 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4b37293-9fec-42e9-8c98-0f6484a58f3a.png?v=1791719572 Dobutamine Impurity 31, Purity: 99.7% Dobutamine Impurity 31|C4X-129831 https://www.jk-sci.com/products/s57c4x-13018 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8a7deedf4184d5eec0f5e3cbb289e55.jpg?v=1791719528 Desonide glyoxal Impurity 8, 93.80% | 57171-18-3 Desonide glyoxal Impurity 8|C4X-13018|57171-18-3 https://www.jk-sci.com/products/s57c4x-130840 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_397b0686-c076-421c-a4cd-53fcf1835e47.png?v=1791719488 Levosimendan Impurity 40, Purity: 95.0% Levosimendan Impurity 40|C4X-130840 https://www.jk-sci.com/products/ts246cs-0107647 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0992cef1a1a43d717a6b76e11cb807b.jpg?v=1791662870 Bis-PEG6-NHS ester, 95.00%+ | 1526718-98-8 Bis-PEG6-NHS ester|CS-0107647|1526718-98-8 https://www.jk-sci.com/products/s57c4x-13117 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549250bde26b7a4a3debde64ba6a8849.jpg?v=1791719467 Cyclosporin G, 98.40% | 74436-00-3 Cyclosporin G|C4X-13117|74436-00-3 https://www.jk-sci.com/products/s57c4x-131227 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82289019464b197772b5d574304e933f.jpg?v=1791719451 Pregabalin EP Impurity B/(R)-Pregabalin, 99.30% | 148553-51-9 Pregabalin EP Impurity B/(R)-Pregabalin|C4X-131227|148553-51-9 https://www.jk-sci.com/products/s57c4x-131294 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428187_9b8ef77a-bc46-4502-89ad-4a0c1c4a430d.png?v=1791719407 Pregabalin impurity 94, Purity: 100.0% | 39520-22-4 Pregabalin impurity 94|C4X-131294|39520-22-4 https://www.jk-sci.com/products/s57c4x-131272 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c859f19-6a2a-434b-ae56-7f23961e122b.png?v=1791719425 Pregabalin Impurity 72, 93.10% Pregabalin Impurity 72|C4X-131272 https://www.jk-sci.com/products/s57c4x-13229 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374439_162bd397-d43c-43a7-ac4b-f89a12c31976.png?v=1791719356 Propafenone Hydrochloride, 99.40% | 34183-22-7 Propafenone Hydrochloride|C4X-13229|34183-22-7 https://www.jk-sci.com/products/s57c4x-13164 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6974f260ba47f9feffa0703564955780.jpg?v=1791719390 Fosfomycin Trometamol EP Impurity C, 90.40% | 23001-39-0 Fosfomycin Trometamol EP Impurity C|C4X-13164|23001-39-0 https://www.jk-sci.com/products/s57c4x-13214 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a63bc260cfbf7d99314c57ecb90d8f8.jpg?v=1791719377 Triclabendazole Impurity 4, Purity: 100.0% | 145770-89-4 Triclabendazole Impurity 4|C4X-13214|145770-89-4 https://www.jk-sci.com/products/s57c4x-132426 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446718_0dbe93b2-bb2b-436a-b7a2-29225e36e1e7.png?v=1791719345 Mesalazine Impurity 26, 99.10% | 1689-82-3 Mesalazine Impurity 26|C4X-132426|1689-82-3 https://www.jk-sci.com/products/s57c4x-13253 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469334_36e0066a-18af-4243-aa42-ac6bf488cd47.png?v=1791719326 Tiotropium EP Impurity A, 94.10% | 4746-63-8 Tiotropium EP Impurity A|C4X-13253|4746-63-8 https://www.jk-sci.com/products/s57c4x-13265 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f90bb352ff1667a93a882b45214982ea.jpg?v=1791719311 Triamcinolone Acetonide EP Impurity E, 99.10% | 1524-86-3 Triamcinolone Acetonide EP Impurity E|C4X-13265|1524-86-3 https://www.jk-sci.com/products/s57c4x-1328 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442315_86b69e7e-4d95-4568-a0f9-b4d53ffa62f4.png?v=1791719299 Cilostazol, 99.70% | 73963-72-1 Cilostazol|C4X-1328|73963-72-1 https://www.jk-sci.com/products/s57c4x-13285 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/255212_c28861f8-5263-4ade-8d65-52947fdccd0b.png?v=1791719289 ilostazol USP Related Compound B / Cilostazol USP Related Compound B, 97.80% | 73963-62-9 ilostazol USP Related Compound B / Cilostazol USP Related Compound B|C4X-13285|73963-62-9 https://www.jk-sci.com/products/s57c4x-133112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52155231366a0ef5845cc38a4fe1ac47.jpg?v=1791719274 Ornidazole Impurity 12, 96.50% | 166734-80-1 Ornidazole Impurity 12|C4X-133112|166734-80-1 https://www.jk-sci.com/products/ts246cs-0106902 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a0e5fab86ef0726324fa5cac59d349a.jpg?v=1791663022 Cabozantinib impurity 8, 98.85%+ | 748707-58-6 Cabozantinib impurity 8|CS-0106902|748707-58-6 https://www.jk-sci.com/products/s57c4x-133121 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06886814344a4509ba129fe16787d49f.jpg?v=1791719268 Ornidazole Impurity 21, 96.60% | 109620-80-6 Ornidazole Impurity 21|C4X-133121|109620-80-6 https://www.jk-sci.com/products/s57c4x-13313 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/565332_3a0b2a87-afa5-4fa3-ae97-4c69084460a0.png?v=1791719261 Ornidazole Impurity 3, 99.40% | 16773-52-7 Ornidazole Impurity 3|C4X-13313|16773-52-7 https://www.jk-sci.com/products/s57c4x-133139 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a80f5b0fab8dcd9ad051431345dfca.jpg?v=1791719257 Ornidazole Impurity 39, 90.30% | 1064004-83-6 Ornidazole Impurity 39|C4X-133139|1064004-83-6 https://www.jk-sci.com/products/s57c4x-13317 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87fc409a847564b1a0ad7df6216a5a5d.jpg?v=1791719246 Ornidazole Impurity 7, Purity: 99.5% | 14419-11-5 Ornidazole Impurity 7|C4X-13317|14419-11-5 https://www.jk-sci.com/products/s57c4x-133316 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539884.png?v=1791719220 Sunitinib Impurity 16, 98.00% | 56341-41-4 Sunitinib Impurity 16|C4X-133316|56341-41-4 https://www.jk-sci.com/products/s57c4x-133216 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e602257d-a072-4563-bf57-ca8d506ab7ed.png?v=1791719233 Nafamostat Impurity 4 TFA salt, 97.20% Nafamostat Impurity 4 TFA salt|C4X-133216 https://www.jk-sci.com/products/s57c4x-133224 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373868_a3df6738-ceb7-489c-99ba-afb613cc10bd.png?v=1791719225 6-Cyano-2-naphthol, 97.80% | 52927-22-7 6-Cyano-2-naphthol|C4X-133224|52927-22-7 https://www.jk-sci.com/products/ts246cs-0107418 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebc33a1a80a452d080af46c28aae7ffd.jpg?v=1791662918 1-Imino-1H-isoindol-3-amine, 98% | 3468-11-9 1-Imino-1H-isoindol-3-amine|CS-0107418|3468-11-9 https://www.jk-sci.com/products/s57c4x-13319 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139874b0664001ebca614ed6f166e1d3.jpg?v=1791719238 Ornidazole Impurity 9, 98.70% | 16773-51-6 Ornidazole Impurity 9|C4X-13319|16773-51-6 https://www.jk-sci.com/products/s57c4x-133356 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f390dc38f20f74249dd9baa2f66ff73.jpg?v=1791719199 Sunitinib-d4, Purity>95% | 1126721-79-6 Sunitinib-d4|C4X-133356|1126721-79-6 https://www.jk-sci.com/products/s57c4x-133510 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/834d4a1637e24d73000aac0ebead2b00.jpg?v=1791719183 Calcium 5-methyltetrahydrofolate, 86.70% | 26560-38-3 Calcium 5-methyltetrahydrofolate|C4X-133510|26560-38-3 https://www.jk-sci.com/products/s57c4x-133414 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17b0248ad8dbb5a78660c45d3f9dfd8c.jpg?v=1791719188 Enalapril EP Impurity E maleate, Purity: 96.6% | 2775292-20-9 Enalapril EP Impurity E maleate|C4X-133414|2775292-20-9 https://www.jk-sci.com/products/s57c4x-133817 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/948124fd3e1697d7d6d83d3788ad4f80.jpg?v=1791719131 (E)-1-chloro-6,6-diMethylhept-2-en-4-yne, 93.70% | 287471-30-1 (E)-1-chloro-6,6-diMethylhept-2-en-4-yne|C4X-133817|287471-30-1 https://www.jk-sci.com/products/s57c4x-13363 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6583906a6fb5b95371aee29df3b8cf63.jpg?v=1791719160 Duloxetine EP Impurity C, 99.10% | 949095-98-1 Duloxetine EP Impurity C|C4X-13363|949095-98-1 https://www.jk-sci.com/products/s57c4x-133828 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531ec1f6579159a0e5e0002f4ee900bd.jpg?v=1791719116 Terbinafine lmpurity 28, 83.40% | 852616-90-1 Terbinafine lmpurity 28|C4X-133828|852616-90-1 https://www.jk-sci.com/products/s57c4x-13368 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc36118506ae6a77e6c65df3fc77b44d.jpg?v=1791719151 N-Methyl Duloxetine Oxalate, 90.00% | 132335-47-8 N-Methyl Duloxetine Oxalate|C4X-13368|132335-47-8 https://www.jk-sci.com/products/s57c4x-133612 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266931_923afe17-5e26-4efa-ae98-38e7d032a632.png?v=1791719176 Duloxetine Impurity 12, 99.00% | 32634-66-5 Duloxetine Impurity 12|C4X-133612|32634-66-5 https://www.jk-sci.com/products/s57c4x-133824 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3494e46c26de992cdb70386a5e4927f7.jpg?v=1791719125 N-Methylnaphthalene Methylnitrosamine, 99.80% | 296760-88-8 N-Methylnaphthalene Methylnitrosamine|C4X-133824|296760-88-8 https://www.jk-sci.com/products/s57c4x-13385 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fae480db-9af6-4bb2-9029-97a44c1215f3.png?v=1791719108 Terbinafine EP Impurity E Dihydrochloride Salt, 90.10% Terbinafine EP Impurity E Dihydrochloride Salt|C4X-13385 https://www.jk-sci.com/products/s57c4x-133911 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee4ff25b65ad5a2dc5f54432fd3fbf91.jpg?v=1791719101 Umeclidinium Impurity 11, 97.00% | 2253743-38-1 Umeclidinium Impurity 11|C4X-133911|2253743-38-1 https://www.jk-sci.com/products/s57c4x-134010 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288597_e84a4156-115f-46a4-a643-ee267866edd5.png?v=1791719083 Clozapine impurity 10, Purity: 99.3% | 67990-66-3 Clozapine impurity 10|C4X-134010|67990-66-3 https://www.jk-sci.com/products/s57c4x-13407 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/512811_7b274715-c112-4ba4-8ae5-134d821a1d95.png?v=1791719067 Clozapine N-Oxide, 93.10% | 34233-69-7 Clozapine N-Oxide|C4X-13407|34233-69-7 https://www.jk-sci.com/products/s57c4x-1341112 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_717ac68d-4770-4f96-8d0b-1d4dd44d3e45.png?v=1791719061 Lincomycin 2-Palmitate Hydrochloride, Purity: 98.9% Lincomycin 2-Palmitate Hydrochloride|C4X-1341112 https://www.jk-sci.com/products/s57c4x-13412 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d906b3f82c6506d12f689216bd8adb72.jpg?v=1791719046 Clindamycin EP Impurity B, 96.30% | 18323-43-8 Clindamycin EP Impurity B|C4X-13412|18323-43-8 https://www.jk-sci.com/products/s57c4x-134126 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47986910e3ff3c17ea7ed9d6307aec3f.jpg?v=1791719036 Clindamycin Phosphate EP Impurity J, 91.00% | 1309349-64-1 Clindamycin Phosphate EP Impurity J|C4X-134126|1309349-64-1 https://www.jk-sci.com/products/s57c4x-134130 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17378c2d-15a0-42a1-8ac0-d0c8835088ef.png?v=1791719030 Clindamycin Phosphas EP Impurity G, 79.60% Clindamycin Phosphas EP Impurity G|C4X-134130 https://www.jk-sci.com/products/s57c4x-134140 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fc707230-2f85-4065-aabe-5eeb6c6d73c8.png?v=1791719024 Clindamycin Phosphas Impurity 40, 90.30% Clindamycin Phosphas Impurity 40|C4X-134140 https://www.jk-sci.com/products/s57c4x-13421 2026-10-26T22:43:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16184cf3f38abb3441fb8617d4cb613d.jpg?v=1791719015 Lincomycin EP Impurity D(Clindamycin EP Impurity D), 95.90% | 17017-22-0 Lincomycin EP Impurity D(Clindamycin EP Impurity D)|C4X-13421|17017-22-0