https://www.jk-sci.com/products/s57c4x-130012 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad4c7926-d2a4-4b29-8b10-f41982c3ee7b.png?v=1791380595 (E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity, 95.70% (E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity|C4X-130012 https://www.jk-sci.com/products/j5326256 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f71ccaee4b730e224257a86bca6ac04a.jpg?v=1791403344 5-Methoxy-6-azaindole-2-carboxylic acid, Purity ≥ 96% | 17288-36-7 5-Methoxy-6-azaindole-2-carboxylic acid|26256|17288-36-7 https://www.jk-sci.com/products/s57c4x-139233 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d51f6494a27ea590fa0bdbb4df67945.jpg?v=1791379158 Famotidine EP Impurity B Dimaleate, 96.00% | 109467-08-5 Famotidine EP Impurity B Dimaleate|C4X-139233|109467-08-5 https://www.jk-sci.com/products/s57c4x-151456 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/320515.png?v=1791377015 Norepinephrine Impurity 56, 95.60% | 329-65-7 Norepinephrine Impurity 56|C4X-151456|329-65-7 https://www.jk-sci.com/products/s57c1546936 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93b19378e7cc9aed76066acc091a6c89.jpg?v=1791390716 1-Chloro-3-(dimethylamino)propan-2-ol hydrochloride, 92.40% | 205690-51-3 1-Chloro-3-(dimethylamino)propan-2-ol hydrochloride|C1546936|205690-51-3 https://www.jk-sci.com/products/s57c1602500 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a73e0fb980edcd6eef829949cc6a37bd.jpg?v=1791390599 2,6-Dichloro-4-methyl-benzoic acid, 99.80% | 99520-05-5 2,6-Dichloro-4-methyl-benzoic acid|C1602500|99520-05-5 https://www.jk-sci.com/products/s57c1790222 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53fb610239bf42a2b41f43b99836d432.jpg?v=1791390232 Axitinib Impurity N28, 90.80% | 886230-75-7 Axitinib Impurity N28|C1790222|886230-75-7 https://www.jk-sci.com/products/s57c1806493 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7934e7dd7031fdc75f5e11b02f594f3e.jpg?v=1791390090 3-O-Benzyl Estetrol 17-Acetate, 98.10% | 690996-24-8 3-O-Benzyl Estetrol 17-Acetate|C1806493|690996-24-8 https://www.jk-sci.com/products/s57c4x-246622 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/585373_c6c60de2-ad65-4ab5-be7d-c4df685bc907.png?v=1791368797 Labetalol Impurity 22, 98.70% | 40187-51-7 Labetalol Impurity 22|C4X-246622|40187-51-7 https://www.jk-sci.com/products/s57c1829358 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/660f59ff7c48fd4e7996a6fdb5b3dd09.jpg?v=1791389981 4-Amino-2,3,6-trichlorophenol, 96.00% | 64981-10-8 4-Amino-2,3,6-trichlorophenol|C1829358|64981-10-8 https://www.jk-sci.com/products/s57c1848685 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec217b9c3c6d8b233f9210de759f98a.jpg?v=1791389905 N-(2-(dimethylamino)ethyl)-N-methylnitrous amide, 97.90% | 23834-30-2 N-(2-(dimethylamino)ethyl)-N-methylnitrous amide|C1848685|23834-30-2 https://www.jk-sci.com/products/s57c3d-2201 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6fa0254c3c9522bd72811500f4836e1_19725543-478d-430b-a97d-cc8bb54e8120.jpg?v=1791389332 DL-m-Tyrosine, 99.90% | 775-06-4 DL-m-Tyrosine|C3D-2201|775-06-4 https://www.jk-sci.com/products/s57c3d-26014 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201260_5aad3bed-5d3a-4205-8328-8c9216911984.png?v=1791389139 3,6-Dimethyl-1,4-dioxane-2,5-dione, Purity: 99.8% | 95-96-5 3,6-Dimethyl-1,4-dioxane-2,5-dione|C3D-26014|95-96-5 https://www.jk-sci.com/products/s57c3d-5494 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56466a9b0f20f0b0aeb4dd6749321714.jpg?v=1791388302 2-methoxy-5-(pyridin-2-yl)pyridine, 98.10% | 381725-49-1 2-methoxy-5-(pyridin-2-yl)pyridine|C3D-5494|381725-49-1 https://www.jk-sci.com/products/j5326267 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab20a5e03c053ba1508961cf341ec2ce.jpg?v=1791403328 2-Bromo-6-methylpyrazine, Purity by HPLC ≥ 98% | 914452-71-4 2-Bromo-6-methylpyrazine|26267|914452-71-4 https://www.jk-sci.com/products/s57c3d-5770 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151071_be74b69e-acee-4ced-8703-5ad2910cc581.png?v=1791388190 Ammonium Formate, 97.20% | 540-69-2 Ammonium Formate|C3D-5770|540-69-2 https://www.jk-sci.com/products/j5326260 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcd428bbc16a13041d83db9bac180ba8.jpg?v=1791403339 N-(5-Fluoro-pyridin-2-yl)-2,2-dimethyl-propionamide, Purity by HPLC ≥ 95% | 784155-54-0 N-(5-Fluoro-pyridin-2-yl)-2,2-dimethyl-propionamide|26260|784155-54-0 https://www.jk-sci.com/products/j5326264 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff05c181eaec219d0da41816d9e4ad28.jpg?v=1791403333 1-Methylindol-4-boronic acid pinacol ester, Purity by HPLC ≥ 95% | 898289-06-0 1-Methylindol-4-boronic acid pinacol ester|26264|898289-06-0 https://www.jk-sci.com/products/j5326275 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d3d20ba7a1d49ce03be60b9b8f4236.jpg?v=1791403313 7-Methoxyisoquinoline, Purity by GC ≥ 99% | 39989-39-4 7-Methoxyisoquinoline|26275|39989-39-4 https://www.jk-sci.com/products/s57c3d-6186 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438591.png?v=1791388004 Bis (2-hydroxyethyl) Disulfide, 99.80% | 1892-29-1 Bis (2-hydroxyethyl) Disulfide|C3D-6186|1892-29-1 https://www.jk-sci.com/products/j5324706 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c2fbbd78112d9d8fdc7e6a1c461a2e2.jpg?v=1791404865 2-Oxo-1-m-tolyl pyrrolidine-3-carboxylic acid, Purity by HPLC ≥ 97% | 618070-31-8 2-Oxo-1-m-tolyl pyrrolidine-3-carboxylic acid|24706|618070-31-8 https://www.jk-sci.com/products/s57c4x-10047 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54119635bd26a0e8f0317a2e7c0e9480.jpg?v=1791387890 Shikimic Acid Ethyl Ester, 92.60% | 101769-63-5 Shikimic Acid Ethyl Ester|C4X-10047|101769-63-5 https://www.jk-sci.com/products/j5325003 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3534b0654c63bc9b0a2b70d8741e2d51.jpg?v=1791404567 6-Amino-2-benzoxazolinone, Purity by HPLC ≥ 98% | 22876-17-1 6-Amino-2-benzoxazolinone|25003|22876-17-1 https://www.jk-sci.com/products/j5325277 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88b9551ace224a611bddc75afd7fdb9a.jpg?v=1791404389 1,3-Diphenyl-1H-pyrazole-4-carbaldehyde, Purity by HPLC ≥ 98% | 21487-45-6 1,3-Diphenyl-1H-pyrazole-4-carbaldehyde|25277|21487-45-6 https://www.jk-sci.com/products/s57c4x-1009120 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288143_afe4544d-be80-440c-b910-a71427fb9438.png?v=1791387757 Apremilast Impurity 120, 98.10% | 621-59-0 Apremilast Impurity 120|C4X-1009120|621-59-0 https://www.jk-sci.com/products/j5325555 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f6842e9a770c65a8c3edb73c8d5898c.jpg?v=1791404256 2-Chloro-5-aminopyridine, Purity by GC ≥ 99% | 5350-93-6 2-Chloro-5-aminopyridine|25555|5350-93-6 https://www.jk-sci.com/products/s57c4x-101223 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232804.png?v=1791387664 Baclofen impurity 23, 95.80% | 84803-46-3 Baclofen impurity 23|C4X-101223|84803-46-3 https://www.jk-sci.com/products/j5325675 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bcbc2e90ee08a346caa4dccfbdbb29d.jpg?v=1791404152 Ethyl 2-amino-4-methylthiazole-5-carboxylate, Purity by HPLC ≥ 99% | 7210-76-6 Ethyl 2-amino-4-methylthiazole-5-carboxylate|25675|7210-76-6 https://www.jk-sci.com/products/j5325754 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f6490e70f8f7e783f9b2ec65872f204.jpg?v=1791404033 2-Amino-5-bromo-3-nitropyridine, Purity by HPLC ≥ 98% | 6945-68-2 2-Amino-5-bromo-3-nitropyridine|25754|6945-68-2 https://www.jk-sci.com/products/j5325829 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7feaf0f7c9a312709fd57e936c99071.jpg?v=1791403939 1-(3-Chlorophenyl)-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid, Purity by HPLC ≥ 98% | 618382-83-5 1-(3-Chlorophenyl)-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid|25829|618382-83-5 https://www.jk-sci.com/products/j5325874 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b79e466e55cd6c81984733309efa64e.jpg?v=1791403889 5-Methyl-3-phenylisoxazole-4-carboxaldehyde, Purity by HPLC ≥ 98% | 87967-95-1 5-Methyl-3-phenylisoxazole-4-carboxaldehyde|25874|87967-95-1 https://www.jk-sci.com/products/s57c4x-10292 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a030de9f0e0f750a816fc6da5d5df51b.jpg?v=1791387190 Clopidogrel Related Compound B HCl, 98.30% | 144750-52-7 Clopidogrel Related Compound B HCl|C4X-10292|144750-52-7 https://www.jk-sci.com/products/j5325920 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3a355a185045a30d7cf2720ff648288.jpg?v=1791403840 5-Chloro-2-methoxyacetophenone, Purity by GC ≥ 97% | 6342-64-9 5-Chloro-2-methoxyacetophenone|25920|6342-64-9 https://www.jk-sci.com/products/j5325959 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cd6129a6d2a5b8ecd53c20baca2cbd6.jpg?v=1791403790 6-Methylchromone hydrate, Purity by HPLC ≥ 97% | 207511-19-1 6-Methylchromone hydrate|25959|207511-19-1 https://www.jk-sci.com/products/s57c4x-103967 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_77439d12-5957-4631-9e09-85469da9c5c8.png?v=1791386945 Donepezil Impurity 67, 100.00% Donepezil Impurity 67|C4X-103967 https://www.jk-sci.com/products/s57c4x-10731 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a196b1cfc177b64139d1fd0b795f662.jpg?v=1791385835 Linezolid Impurity 1, Purity: 99.3% | 189038-36-6 Linezolid Impurity 1|C4X-10731|189038-36-6 https://www.jk-sci.com/products/j5325994 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c4049a93d2891eb48fdee6cf63baf9c.jpg?v=1791403751 3-Cyanochromone, Purity by HPLC ≥ 98% | 50743-17-4 3-Cyanochromone|25994|50743-17-4 https://www.jk-sci.com/products/j5326026 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3d13a32b0448451f2eff3e77e804706.jpg?v=1791403698 4-Fluoro-2-(5-isoxazolyl)phenol, Purity by HPLC ≥ 98% | 288401-62-7 4-Fluoro-2-(5-isoxazolyl)phenol|26026|288401-62-7 https://www.jk-sci.com/products/j5326056 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/feb8b1cd827ae48af8b029e2bbdd23e1.jpg?v=1791403650 2-Methoxy-4-nitrobenzoic acid, Purity by HPLC ≥ 98% | 2597-56-0 2-Methoxy-4-nitrobenzoic acid|26056|2597-56-0 https://www.jk-sci.com/products/j5326043 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fa8f5931c3dce65136a1c34b4208663.jpg?v=1791403670 2-Amino-5-(4-pyridinyl)-1,3,4-thiadiazole, Purity by HPLC ≥ 99% | 2002-04-2 2-Amino-5-(4-pyridinyl)-1,3,4-thiadiazole|26043|2002-04-2 https://www.jk-sci.com/products/s57c4x-108449 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cb8d0b16-744c-4c68-bdfa-a0fc6697db67.png?v=1791385233 Roflumilast Impurity 49, 95.70% Roflumilast Impurity 49|C4X-108449 https://www.jk-sci.com/products/j5326071 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5481bdcda36e56ee2e4c96a67f142168.jpg?v=1791403616 trans-3-(4-Methylbenzoyl)acrylic acid, Purity by HPLC ≥ 98% | 20972-36-5 trans-3-(4-Methylbenzoyl)acrylic acid|26071|20972-36-5 https://www.jk-sci.com/products/s57c4x-108935 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ed2e0b58b4ca6fccd2e9c7df8a95f7d.jpg?v=1791385000 Dabigatran Impurity 35, 91.80% | 265659-62-9 Dabigatran Impurity 35|C4X-108935|265659-62-9 https://www.jk-sci.com/products/s57c4x-124413 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5a4b6a82-98e1-4053-a76d-b1f5036f6139.png?v=1791381121 Quetiapine EP Impurity K HCl, Purity: 96.9% Quetiapine EP Impurity K HCl|C4X-124413 https://www.jk-sci.com/products/s57c4x-130045 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_128fecf6-79c3-40d9-9ec4-95457c97626e.png?v=1791380585 Tacrolimus EP Impurity B, Purity: 99.7% Tacrolimus EP Impurity B|C4X-130045 https://www.jk-sci.com/products/j5326084 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca00c6dfed034ecce972a31f9915b02f.jpg?v=1791403600 4,6-Dichloro-5-nitropyrimidine, Purity by HPLC ≥ 98% | 4316-93-2 4,6-Dichloro-5-nitropyrimidine|26084|4316-93-2 https://www.jk-sci.com/products/s57c4x-13223 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05495bb34b3184629ad3c2c4cb0c5134.jpg?v=1791380398 Propafenone EP Impurity C, 97.60% | 22525-95-7 Propafenone EP Impurity C|C4X-13223|22525-95-7 https://www.jk-sci.com/products/j5326101 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130e0c2ca7e17575359bcbbb14ff73f3.jpg?v=1791403580 1-Methylpyrazolo[3,4-d]pyrimidin-4-amine, Purity by HPLC ≥ 95% | 5334-99-6 1-Methylpyrazolo[3,4-d]pyrimidin-4-amine|26101|5334-99-6 https://www.jk-sci.com/products/s57c4x-246633 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_adcd477b-76d0-4865-b1bf-7d4836e98b26.png?v=1791368791 Labetalol EP Impurity A HCl, 97.10% Labetalol EP Impurity A HCl|C4X-246633 https://www.jk-sci.com/products/s57c4x-151434 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/450765.png?v=1791377025 Norepinephrine Impurity 34 HCl, 99.40% | 55-27-6 Norepinephrine Impurity 34 HCl|C4X-151434|55-27-6 https://www.jk-sci.com/products/s57c4x-246719 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_53f074ed-7f1f-424b-995d-5ed90c35c016.png?v=1791368773 Pinaverium Bromide Impurity 19, 93.20% Pinaverium Bromide Impurity 19|C4X-246719 https://www.jk-sci.com/products/s57c4x-2467 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/910ed7b8a69186caa7ff8475bb38acbb.jpg?v=1791368781 Pinaverium Bromide, 97.20% | 53251-94-8 Pinaverium Bromide|C4X-2467|53251-94-8 https://www.jk-sci.com/products/s57c4x-15151 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37e83a59b38d1cac36808e76c17f92fa.jpg?v=1791376998 Mycophenolate Mofetil EP Impurity G, 97.10% | 224052-51-1 Mycophenolate Mofetil EP Impurity G|C4X-15151|224052-51-1 https://www.jk-sci.com/products/j5326141 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/661d3804e13032e453369e28ba1a160e.jpg?v=1791403532 2-Chloro-5-formylthiazole, Purity by HPLC ≥ 96% | 101012-12-8 2-Chloro-5-formylthiazole|26141|101012-12-8 https://www.jk-sci.com/products/j5326132 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0050502f6bdf33f162d82f0205da1881.jpg?v=1791403541 4,6-Dimethyl-2-pyridinemethanol, Purity by HPLC ≥ 99% | 18087-99-5 4,6-Dimethyl-2-pyridinemethanol|26132|18087-99-5 https://www.jk-sci.com/products/j5326119 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a576cbf0d6fef5437ab8f4f1960c99fe.jpg?v=1791403556 [5-Methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetic acid, Purity by HPLC ≥ 95% | 345637-71-0 [5-Methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetic acid|26119|345637-71-0 https://www.jk-sci.com/products/s57c1138264 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563320.png?v=1791391338 Doxepin EP Imp C(Desmethyldoxepine)(USP）, Purity>95% | 1225-56-5 Doxepin EP Imp C(Desmethyldoxepine)(USP）|C1138264|1225-56-5 https://www.jk-sci.com/products/j5326153 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2505969c2373592fcc9c7b4d100cc558.jpg?v=1791403504 2-Bromoimidazole, Assay ≥ 97% | 16681-56-4 2-Bromoimidazole|26153|16681-56-4 https://www.jk-sci.com/products/j5326171 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7978d451426cb3a45b385500afaf6c3.jpg?v=1791403471 5-Hydroxytoluene-2-boronic acid, Purity by HPLC ≥ 95% | 493035-82-8 5-Hydroxytoluene-2-boronic acid|26171|493035-82-8 https://www.jk-sci.com/products/j5326163 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/323a6b213cd9d0b3c90895ec4cefda1c.jpg?v=1791403485 4-Aminoindazole, Assay ≥ 98% | 41748-71-4 4-Aminoindazole|26163|41748-71-4 https://www.jk-sci.com/products/s57c1502445 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3977c8edb36bf88b1f4662e612928ec5.jpg?v=1791390796 (Z)-3,5-dichloro-4-(3-ethoxy-2-methyl-3-oxoprop-1-en-1-yl)benzoic acid, 98.60% | 2502057-35-2 (Z)-3,5-dichloro-4-(3-ethoxy-2-methyl-3-oxoprop-1-en-1-yl)benzoic acid|C1502445|2502057-35-2 https://www.jk-sci.com/products/j5326221 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa2b7009c1ef9c5696ed26b0913afb3b.jpg?v=1791403405 2-Amino-4-methoxylpyridine, Purity ≥ 95% (NMR) | 10201-73-7 2-Amino-4-methoxylpyridine|26221|10201-73-7 https://www.jk-sci.com/products/j5326229 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4df18bca76e4931183d1621948b80a0.jpg?v=1791403386 Ethyl 2-(Methylthio)pyrimidine-5-carboxylate, Purity by HPLC ≥ 95% | 73781-88-1 Ethyl 2-(Methylthio)pyrimidine-5-carboxylate|26229|73781-88-1 https://www.jk-sci.com/products/j5326242 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0cd220c95e447171be871cd52e7e5f3.jpg?v=1791403369 4-(4-Piperidinyloxy)benzamide, Purity by HPLC ≥ 95% | 609781-30-8 4-(4-Piperidinyloxy)benzamide|26242|609781-30-8 https://www.jk-sci.com/products/s57c1746159 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f031ab1f3d648a4364f60571ed3d55e.jpg?v=1791390336 5-Amino-2-hydroxybenzonitrile, 91.70% | 87029-84-3 5-Amino-2-hydroxybenzonitrile|C1746159|87029-84-3 https://www.jk-sci.com/products/j5326192 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bcc543636c625d02d1559583a404bb1.jpg?v=1791403448 3-(2-Trifluoromethoxy-phenyl)-acrylic acid, Purity by HPLC ≥ 95% | 399580-48-4 3-(2-Trifluoromethoxy-phenyl)-acrylic acid|26192|399580-48-4 https://www.jk-sci.com/products/s57c1790581 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/daeff66caa4716ebacb28c559ee65b32.jpg?v=1791390222 Bambuterol EP Impurity C (Mixture of Enantiomers), Purity: 97.8% | 81732-67-4 Bambuterol EP Impurity C (Mixture of Enantiomers)|C1790581|81732-67-4 https://www.jk-sci.com/products/s57c1837415 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370818_2b6d6e9c-fc02-4676-9fe4-dc215ce9c983.png?v=1791389939 Methyl 2-bromomethylbenzoate, Purity: 99.1% | 2417-73-4 Methyl 2-bromomethylbenzoate|C1837415|2417-73-4 https://www.jk-sci.com/products/s57c1910113 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e45dd8f5246b07b4048cd6e0c1a636d2.jpg?v=1791389689 1,1,1-Trifluoro-N-phenylmethanesulfonamide, 96.70% | 456-64-4 1,1,1-Trifluoro-N-phenylmethanesulfonamide|C1910113|456-64-4 https://www.jk-sci.com/products/j5326259 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70e4c39a355d687bf8e0e04efd831b2f.jpg?v=1791403339 Benzo[b]thiophene-7-carboxaldehyde, Purity by HPLC ≥ 95% | 10134-91-5 Benzo[b]thiophene-7-carboxaldehyde|26259|10134-91-5 https://www.jk-sci.com/products/s57c1915925 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325191.png?v=1791389631 N-(2-Hydroxyethyl)pyrrolidine, 95.90% | 2955-88-6 N-(2-Hydroxyethyl)pyrrolidine|C1915925|2955-88-6 https://www.jk-sci.com/products/s57c4x-24699 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dba3ece4-1e3f-45cd-bc29-e4852700cd0f.png?v=1791368757 Meclofenoxate Impurity 9, 98.60% Meclofenoxate Impurity 9|C4X-24699 https://www.jk-sci.com/products/j5326282 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a85799eb3c89e095b67da9b6c0b55c0.jpg?v=1791403308 2-Bromo-7-bromoquinoline, Purity by HPLC ≥ 95% | 1334405-59-2 2-Bromo-7-bromoquinoline|26282|1334405-59-2 https://www.jk-sci.com/products/s57c4x-24679 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d992639-239f-449c-8ee5-a8774f161dc1.png?v=1791368767 Pinaverium Impurity 9, 91.60% Pinaverium Impurity 9|C4X-24679 https://www.jk-sci.com/products/s57c4x-24789 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525965_571f7d9b-156d-4343-9e0f-0bf02e299ed9.png?v=1791368742 Lasmiditan Impurity 9, 97.30% | 498-94-2 Lasmiditan Impurity 9|C4X-24789|498-94-2 https://www.jk-sci.com/products/s57c4x-2472 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85b63919f9b755488528acfcedb96be1.jpg?v=1791368754 Siponimod, 98.30% | 1230487-00-9 Siponimod|C4X-2472|1230487-00-9 https://www.jk-sci.com/products/s57c3d-4273 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123881.png?v=1791388585 4＇-Chlorovalerophenone, 96.40% | 25017-08-7 4＇-Chlorovalerophenone|C3D-4273|25017-08-7 https://www.jk-sci.com/products/s57c4x-100324 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05c0784706b6434e786ff5a00d38eb4b.jpg?v=1791387904 Azithromycin EP Impurity D, 96.00% | 612069-26-8 Azithromycin EP Impurity D|C4X-100324|612069-26-8 https://www.jk-sci.com/products/j5326266 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d3af3213fa845c8fcc7dc861a83363f.jpg?v=1791403328 2,4-Dichloro-5-methylpyridine, Purity by GC ≥ 98% | 56961-78-5 2,4-Dichloro-5-methylpyridine|26266|56961-78-5 https://www.jk-sci.com/products/s57c4x-10086 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28aecbce2d04c1337bdb4fc40d5211fe.jpg?v=1791387792 Aripiprazole Related Compound B, 96.70% | 889443-20-3 Aripiprazole Related Compound B|C4X-10086|889443-20-3 https://www.jk-sci.com/products/s57c4x-106122 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f31d5dc9630d97b476382d80fbb422c9.jpg?v=1791386348 Istradefylline Impurity 22, 98.70% | 1453190-01-6 Istradefylline Impurity 22|C4X-106122|1453190-01-6 https://www.jk-sci.com/products/s57c4x-112718 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f5d0a2f59301a30e44e45c22e8a1655.jpg?v=1791383668 2,4-Dinitro-m-xylene, 93.80% | 603-02-1 2,4-Dinitro-m-xylene|C4X-112718|603-02-1 https://www.jk-sci.com/products/s57c4x-113021 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381450_c89eb159-cfda-4a94-8736-b0707ecf6343.png?v=1791383545 Ilaprazole Impurity 21 (cis- and trans- mixture), 94.80% | 696-59-3 Ilaprazole Impurity 21 (cis- and trans- mixture)|C4X-113021|696-59-3 https://www.jk-sci.com/products/s57c4x-131248 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d224be922c67dd1f5229d5c2aee34e.jpg?v=1791380482 Pregabalin-d4, Purity>95% | 1276197-54-6 Pregabalin-d4|C4X-131248|1276197-54-6 https://www.jk-sci.com/products/j5326291 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e7cabe00ab6c203d448158863c9d75e.jpg?v=1791403293 2-Chlorothiazole-4-carboxaldehyde, Purity ≥ 95% (NMR) | 5198-79-8 2-Chlorothiazole-4-carboxaldehyde|26291|5198-79-8 https://www.jk-sci.com/products/s57c4x-131613 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371620_10ee1311-69d2-41e5-9bd0-843e8186c07e.png?v=1791380437 Propylphosphonic Acid, Purity: 98.9% | 4672-38-2 Propylphosphonic Acid|C4X-131613|4672-38-2 https://www.jk-sci.com/products/s57c4x-13170 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cff85cd7e019bd217382cd436f43309.jpg?v=1791380420 cis-propenylphosphonic acid, 68.10% | 25383-06-6 cis-propenylphosphonic acid|C4X-13170|25383-06-6 https://www.jk-sci.com/products/j5326303 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511efdd438e85639c9b8b970fcaccde2.jpg?v=1791403278 4-(4-Methyl-1H-imidazol-1-yl)benzenamine, Purity by HPLC ≥ 98% | 102791-87-7 4-(4-Methyl-1H-imidazol-1-yl)benzenamine|26303|102791-87-7 https://www.jk-sci.com/products/s57c4x-136515 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484777.png?v=1791379627 Fasudil Impurity 15, 97.00% | 27655-40-9 Fasudil Impurity 15|C4X-136515|27655-40-9 https://www.jk-sci.com/products/s57c4x-137112 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408564_9d1f493c-b46a-4c8d-9bee-37b9feb69865.png?v=1791379493 Levofloxacin EP Impurity F, 100.00% | 100986-89-8 Levofloxacin EP Impurity F|C4X-137112|100986-89-8 https://www.jk-sci.com/products/s57c4x-13981 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121601_1a71de23-c7b4-435b-9c1c-3423bdfd0c8b.png?v=1791379007 Cinnarizine EP Impurity A, 99.00% | 841-77-0 Cinnarizine EP Impurity A|C4X-13981|841-77-0 https://www.jk-sci.com/products/j5326305 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349b43c8175e2312acf365ff3c9a9363.jpg?v=1791403278 2-Bromo-5-fluoropyrimidine, Purity by HPLC ≥ 98% | 947533-45-1 2-Bromo-5-fluoropyrimidine|26305|947533-45-1 https://www.jk-sci.com/products/j5326312 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b290ebce00f40783523b3f6e1913b88.jpg?v=1791403267 5-Bromo-2-methylindazole, Purity ≥ 95% (NMR) | 465529-56-0 5-Bromo-2-methylindazole|26312|465529-56-0 https://www.jk-sci.com/products/s57c4x-151413 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f56d6979b9cde661baeeab302c5b611.jpg?v=1791377047 Norepinephrine Impurity 13, 90.10% | 63704-55-2 Norepinephrine Impurity 13|C4X-151413|63704-55-2 https://www.jk-sci.com/products/j5326317 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33d1b355b7cab959cd63233a75426e14.jpg?v=1791403261 1-Methyl-5-bromoindazole, Purity ≥ 96% (LCMS) | 465529-57-1 1-Methyl-5-bromoindazole|26317|465529-57-1 https://www.jk-sci.com/products/j5326355 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1e90cedaaf34369246f7ee29e795d79.jpg?v=1791403187 5-(Bromomethyl)-1-methyl-1H-indazole hydrobromide, Purity by HPLC ≥ 95% | 1203160-22-8 5-(Bromomethyl)-1-methyl-1H-indazole hydrobromide|26355|1203160-22-8 https://www.jk-sci.com/products/s57c1206789 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326090.png?v=1791391272 2-(4-Aminophenyl)ethylamine Dihydrochloride, Purity: 97.4% | 13078-82-5 2-(4-Aminophenyl)ethylamine Dihydrochloride|C1206789|13078-82-5 https://www.jk-sci.com/products/j5326350 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99e369cb938136cfee1951f89b6c41c1.jpg?v=1791403195 1-Methylindazole-6-carboxylic acid, Purity by HPLC ≥ 95% | 1031417-77-2 1-Methylindazole-6-carboxylic acid|26350|1031417-77-2 https://www.jk-sci.com/products/s57c4x-24854 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b55feb8f-6cb4-4ffa-9473-84167ccb981e.png?v=1791368732 Evocalcet Impurity 4 HCl, 95.20% Evocalcet Impurity 4 HCl|C4X-24854 https://www.jk-sci.com/products/j5326324 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f303109661dec31629b3fc90e196f81f.jpg?v=1791403243 4-Chloro-5-nitro-2-hydroxypyridine, Purity by HPLC ≥ 95% | 850663-54-6 4-Chloro-5-nitro-2-hydroxypyridine|26324|850663-54-6 https://www.jk-sci.com/products/j5326371 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20f8f1c06c60731e4350fb4fa849a1f9.jpg?v=1791403166 (5-Aminopyridin-2-yl)-carbamic acid tert-butyl ester, Purity by HPLC ≥ 95% | 220731-04-4 (5-Aminopyridin-2-yl)-carbamic acid tert-butyl ester|26371|220731-04-4 https://www.jk-sci.com/products/j5326346 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b19a0840116cb4d601067e4cac822a1.jpg?v=1791403200 Isoquinoline-8-carbonitrile, Purity by HPLC ≥ 96% | 362606-11-9 Isoquinoline-8-carbonitrile|26346|362606-11-9 https://www.jk-sci.com/products/s57c1330522 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229231_1f6c17ae-8243-418d-a1c4-6f1ff614691a.png?v=1791391077 5-Hydroxy-2-nitropyridine, 99.10% | 15206-26-5 5-Hydroxy-2-nitropyridine|C1330522|15206-26-5 https://www.jk-sci.com/products/j5326335 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0a32c8ec724a69d0e04bc81bfafdea0.jpg?v=1791403220 5-Chloro-2-(hydroxymethyl)pyridine, Assay ≥ 95% | 209526-98-7 5-Chloro-2-(hydroxymethyl)pyridine|26335|209526-98-7 https://www.jk-sci.com/products/s57c1377896 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397873.png?v=1791390977 Val-Tyr-Val | 17355-22-5 Val-Tyr-Val|C1377896|17355-22-5 https://www.jk-sci.com/products/s57c1388041 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a169a10fc896c44d8a0081dcefd57c65.jpg?v=1791390962 4-(Formamidomethyl)benzoic acid, 99.00% | 17847-25-5 4-(Formamidomethyl)benzoic acid|C1388041|17847-25-5 https://www.jk-sci.com/products/s57c1752745 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556063.png?v=1791390320 5-Chloro-4-nitro-2,1,3-benzothiadiazole, 99.20% | 2274-89-7 5-Chloro-4-nitro-2,1,3-benzothiadiazole|C1752745|2274-89-7 https://www.jk-sci.com/products/s57c4x-2486 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155088_bb7328fc-a9c4-4c7d-88bb-3e1b3ab24f62.png?v=1791368728 Sofalcone, Purity: 99.8% | 64506-49-6 Sofalcone|C4X-2486|64506-49-6 https://www.jk-sci.com/products/j5326374 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5274338c69c0bfd2f94764f1ff3612c8.jpg?v=1791403163 2-Bromo-4-(methoxycarbonyl)-5-propyl-1,3-thiazole, Purity by HPLC ≥ 95% | 1120214-96-1 2-Bromo-4-(methoxycarbonyl)-5-propyl-1,3-thiazole|26374|1120214-96-1 https://www.jk-sci.com/products/j5326376 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3b0ea9079754edd3344ffdfa217e8e3.jpg?v=1791403159 1-(Pyrrolidin-3-yl)ethanone hydrochloride, Assay ≥ 95% | 876505-26-9 1-(Pyrrolidin-3-yl)ethanone hydrochloride|26376|876505-26-9 https://www.jk-sci.com/products/s57c1797755 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72649f941a38fe817813b13111296a46.jpg?v=1791390169 Hydrocortisone Impurity N3, 99.80% | 23460-76-6 Hydrocortisone Impurity N3|C1797755|23460-76-6 https://www.jk-sci.com/products/s57c1802455 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7d463e3c961b6dad110a708b19bf24c.jpg?v=1791390132 Diethyl (4-isopropyl-3,5-dimethoxybenzyl)phosphonate, 96.00% | 443982-76-1 Diethyl (4-isopropyl-3,5-dimethoxybenzyl)phosphonate|C1802455|443982-76-1 https://www.jk-sci.com/products/s57c4x-248716 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b859c303cece1d1a385bb9831322cb9.jpg?v=1791368722 Rimegepant Impurity 16, Purity: 100.0% | 1397526-11-2 Rimegepant Impurity 16|C4X-248716|1397526-11-2 https://www.jk-sci.com/products/s57c1806229 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353485.png?v=1791390105 Enalapril, 98.70% | 75847-73-3 Enalapril|C1806229|75847-73-3 https://www.jk-sci.com/products/s57c1843887 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fadb475a4c63d5edb5ce046e20598eec_e9d7f96d-dead-4789-9429-20894b534919.jpg?v=1791389919 Methyl 4-formyl-3-methoxybenzoate, 99.30% | 74733-24-7 Methyl 4-formyl-3-methoxybenzoate|C1843887|74733-24-7 https://www.jk-sci.com/products/s57c4x-100316 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f227d4c154e6935483f50cc9ebd7d397.jpg?v=1791387915 Erythromycin A iminoether（Azithromycin CP Impurity Q）, 92.40% | 99290-97-8 Erythromycin A iminoether（Azithromycin CP Impurity Q）|C4X-100316|99290-97-8 https://www.jk-sci.com/products/s57c4x-1032111 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e78fca0-987b-4b3b-96ae-55c864b18098.png?v=1791387094 Mirabegron Impurity 111, 94.30% Mirabegron Impurity 111|C4X-1032111 https://www.jk-sci.com/products/s57c4x-248755 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e40cfed5-d5ed-4563-b6c2-6b26ab0ad995.png?v=1791368713 Rimegepant Impurity 55, 98.70% Rimegepant Impurity 55|C4X-248755 https://www.jk-sci.com/products/s57c4x-104751 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5f54fa45-2c8c-4551-9c45-c5c0084d6853.png?v=1791386808 Regorafenib Impurity 51, 97.10% Regorafenib Impurity 51|C4X-104751 https://www.jk-sci.com/products/s57c4x-10778 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a75e89ce638b4574bdd6e8eb2f138f21.jpg?v=1791385601 Entecavir EP Impurity A, Purity: 98.0% | 1367369-78-5 Entecavir EP Impurity A|C4X-10778|1367369-78-5 https://www.jk-sci.com/products/s57c4x-248772 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3681346d-d2e0-4eea-9662-eb9c68e350fd.png?v=1791368706 Rimegepant Impurity 72, 91.60% Rimegepant Impurity 72|C4X-248772 https://www.jk-sci.com/products/s57c4x-10826 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514397.png?v=1791385384 Ibuprofen EP Impurity F, 97.20% | 65322-85-2 Ibuprofen EP Impurity F|C4X-10826|65322-85-2 https://www.jk-sci.com/products/s57c4x-13583 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff8cf60e1dc57a72761f72f430adc764.jpg?v=1791379746 Cefditoren Impurity 3, 90.30% | 145904-68-3 Cefditoren Impurity 3|C4X-13583|145904-68-3 https://www.jk-sci.com/products/j5326379 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e920e4e716efafa405ac68a7f0f74b57.jpg?v=1791403154 3-Methyl-1H-indole-4-carboxylic acid, Purity by HPLC ≥ 95% | 1159511-18-8 3-Methyl-1H-indole-4-carboxylic acid|26379|1159511-18-8 https://www.jk-sci.com/products/s57c4x-24891 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c38aca719d7629ed43ffb12d2541b89.jpg?v=1791368698 Deschloro Prothioconazole, 99.80% | 2733236-36-5 Deschloro Prothioconazole|C4X-24891|2733236-36-5 https://www.jk-sci.com/products/s57c4x-137113 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6eb61f2d5227af719459e468705450e.jpg?v=1791379495 Levofloxacin Impurity 13, 98.60% | 197291-75-1 Levofloxacin Impurity 13|C4X-137113|197291-75-1 https://www.jk-sci.com/products/s57c4x-13899 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0314dcbdfa6a2b6df70e53caca3d869d.jpg?v=1791379186 Budesonide EP Impurity I, 94.80% | 113930-13-5 Budesonide EP Impurity I|C4X-13899|113930-13-5 https://www.jk-sci.com/products/s57c4x-139527 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e982a19360c1e575c214082701a6827c.jpg?v=1791379097 N10-Nitroso Folic Acid, 89.30% | 26360-21-4 N10-Nitroso Folic Acid|C4X-139527|26360-21-4 https://www.jk-sci.com/products/s57c1063225 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363436.png?v=1791391451 L-Penicillamine, 97.80% | 1113-41-3 L-Penicillamine|C1063225|1113-41-3 https://www.jk-sci.com/products/j5326385 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02f64e3b9ca5263dbea3e20a1607b779.jpg?v=1791403149 1-Bromo-3,5-difluoro-4-nitrobenzene, Purity by HPLC ≥ 95% | 147808-42-2 1-Bromo-3,5-difluoro-4-nitrobenzene|26385|147808-42-2 https://www.jk-sci.com/products/j5326413 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207cb0934e58996e9087cdbaa9dee4a5.jpg?v=1791403118 3,5-Dibromo-2-chloropyrazine, Purity by HPLC ≥ 95% | 1082843-70-6 3,5-Dibromo-2-chloropyrazine|26413|1082843-70-6 https://www.jk-sci.com/products/s57c1115321 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520761_6387636e-25b0-43e2-b2e3-43e43544d407.png?v=1791391369 Sodium 4-methylbenzenesulfonate, 93.60% | 12068-03-0 Sodium 4-methylbenzenesulfonate|C1115321|12068-03-0 https://www.jk-sci.com/products/j5326421 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3afe35baf0dd796c8fedcbc930ad6cd6.jpg?v=1791403113 1-Methylindazole-4-carboxylic acid, Purity by HPLC ≥ 95% | 1071433-05-0 1-Methylindazole-4-carboxylic acid|26421|1071433-05-0 https://www.jk-sci.com/products/s57c1152542 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/495142.png?v=1791391322 1-Fluoro-2-phenoxybenzene, Purity: 99.3% | 124330-20-7 1-Fluoro-2-phenoxybenzene|C1152542|124330-20-7 https://www.jk-sci.com/products/s57c4x-249411 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/384007b84290dcfcbf5446071c534dc9.jpg?v=1791368669 Dotinurad Impurity 11, 98.00% | 1285572-54-4 Dotinurad Impurity 11|C4X-249411|1285572-54-4 https://www.jk-sci.com/products/s57c4x-24909 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb94d582b90ab295be2ecf8313bd773e.jpg?v=1791368692 Molnupiravir Impurity 9, Purity: 97.4% | 886538-48-3 Molnupiravir Impurity 9|C4X-24909|886538-48-3 https://www.jk-sci.com/products/s57c1533003 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/219cc4a91f57b387a23bea141b9719ff.jpg?v=1791390748 1,2-Dibromo-3,4-difluorobenzene, 98.40% | 811713-01-6 1,2-Dibromo-3,4-difluorobenzene|C1533003|811713-01-6 https://www.jk-sci.com/products/s57c1594680 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c223d17964738d90166b967f2c177d8b.jpg?v=1791390640 2,2-Dimethyl-5-(propan-2-ylidene)-1,3-dioxane-4,6-dione, 99.10% | 2231-66-5 2,2-Dimethyl-5-(propan-2-ylidene)-1,3-dioxane-4,6-dione|C1594680|2231-66-5 https://www.jk-sci.com/products/s57c4x-24941 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7afe499d1e3cb0a7778de7f65bef2d99.jpg?v=1791368680 Dotinurad Impurity 1, 91.50% | 1285573-44-5 Dotinurad Impurity 1|C4X-24941|1285573-44-5 https://www.jk-sci.com/products/s57c1596520 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428221.png?v=1791390629 2,3-Difluoro-4-methylbenzoic acid, Purity: 99.9% | 261763-37-5 2,3-Difluoro-4-methylbenzoic acid|C1596520|261763-37-5 https://www.jk-sci.com/products/s57c1701095 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1fceca4eb9aec9517cd32d0ebc10df3.jpg?v=1791390405 4-(Ethoxymethyl)phenol, 95.40% | 57726-26-8 4-(Ethoxymethyl)phenol|C1701095|57726-26-8 https://www.jk-sci.com/products/s57c1754166 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a56f1e3f5fdda3a847fcb7bf0a95904.jpg?v=1791390310 5-ethyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, Purity: 99.7% | 92753-34-9 5-ethyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one|C1754166|92753-34-9 https://www.jk-sci.com/products/j5326389 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476e9385107fddf2bbacb3836a5bf08c.jpg?v=1791403144 5-Bromo-1,6-dimethyl-1H-indazole, Purity by HPLC ≥ 95% | 1159511-81-5 5-Bromo-1,6-dimethyl-1H-indazole|26389|1159511-81-5 https://www.jk-sci.com/products/j5326396 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3460400ead599708436d82a6f2ff5e89.jpg?v=1791403135 3-(4-Bromophenyl)-2-methylpropanoic acid, Purity by HPLC ≥ 98% | 66735-01-1 3-(4-Bromophenyl)-2-methylpropanoic acid|26396|66735-01-1 https://www.jk-sci.com/products/j5326404 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122309c4a26a8ee6c128f04958078b25.jpg?v=1791403129 2-(1H-Indole-3-yl)-cyclohexaneamine, Purity by HPLC ≥ 95% | 4765-27-9 2-(1H-Indole-3-yl)-cyclohexaneamine|26404|4765-27-9 https://www.jk-sci.com/products/s57c1795403 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69551002491473cdd9cff88a196817c1.jpg?v=1791390203 Boc-Cys(Bzl)-OSu | 3401-33-0 Boc-Cys(Bzl)-OSu|C1795403|3401-33-0 https://www.jk-sci.com/products/s57c1886698 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233723_9b54cb3e-e0f4-479c-8f9b-f33a1dbea422.png?v=1791389820 O-tert-Butyl-L-threonine tert-butyl ester acetate salt | 5854-77-3 O-tert-Butyl-L-threonine tert-butyl ester acetate salt|C1886698|5854-77-3 https://www.jk-sci.com/products/s57c1907788 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1381869135a37c97c04e7864f9595964.jpg?v=1791389710 1-Cyanotetraline, 94.90% | 56536-96-0 1-Cyanotetraline|C1907788|56536-96-0 https://www.jk-sci.com/products/j5326433 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/934c8fc5aefb9ca289aa1ca3febd7eca.jpg?v=1791403094 H-1,3-cis-ACHC-OMe·HCl, Assay by titration ≥ 99% | 87360-22-3 H-1,3-cis-ACHC-OMe·HCl|26433|87360-22-3 https://www.jk-sci.com/products/s57c1911444 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/742f9bbc2115be57b0b7bde499bcf27f.jpg?v=1791389680 Voriconazole Impurity N1, 98.70% | 929249-84-3 Voriconazole Impurity N1|C1911444|929249-84-3 https://www.jk-sci.com/products/s57c3d-4028 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9369ada63b0c414ba2b48576d5f9e6ee.jpg?v=1791388649 Nitrosobis(2-chloroethyl)amine, 97.30% | 67856-68-2 Nitrosobis(2-chloroethyl)amine|C3D-4028|67856-68-2 https://www.jk-sci.com/products/s57c3d-4589 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58dc6e3b7f37039e1997d11c930bfa3e.jpg?v=1791388505 Furyl Hydroxymethyl Ketone, Purity: 99.6% | 17678-19-2 Furyl Hydroxymethyl Ketone|C3D-4589|17678-19-2 https://www.jk-sci.com/products/s57c3d-6070 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515403_52ecdd3f-ccae-477c-ac0e-b5c7cfc902ae.png?v=1791388057 Butyl 4-nitrobenzoate, 99.00% | 120-48-9 Butyl 4-nitrobenzoate|C3D-6070|120-48-9 https://www.jk-sci.com/products/s57c4x-101635 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6fe61e914f7c3af3d4c58fa7352211e.jpg?v=1791387610 Enzalutamide Impurity 35, 92.80% | 888072-96-6 Enzalutamide Impurity 35|C4X-101635|888072-96-6 https://www.jk-sci.com/products/s57c4x-105781 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aec258d7-f573-47e8-a084-246c5f230c5a.png?v=1791386443 Valsartan Impurity 81, 96.20% Valsartan Impurity 81|C4X-105781 https://www.jk-sci.com/products/s57c4x-2494145 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343433_75905d96-cca1-4ac8-ad64-c8e48390c7c0.png?v=1791368659 Dotinurad Impurity 145, 98.80% | 2596-93-2 Dotinurad Impurity 145|C4X-2494145|2596-93-2 https://www.jk-sci.com/products/j5326436 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/806375664b487621671c4976aab2c13c.jpg?v=1791403090 Boc-5-Amino-3-oxapentanoic acid dicyclohexylamine salt, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 142929-49-5 Boc-5-Amino-3-oxapentanoic acid dicyclohexylamine salt|26436|142929-49-5 https://www.jk-sci.com/products/j5326446 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5c414a94351a8070b5203503f8b8ed5.jpg?v=1791403076 Nb-Boc-D-2,3-diaminopropionic acid, Purity by HPLC ≥ 98% | 259825-43-9 Nb-Boc-D-2,3-diaminopropionic acid|26446|259825-43-9 https://www.jk-sci.com/products/s57c4x-108286 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4bcbc7be-bd78-4976-b2c7-eff59e47883f.png?v=1791385357 Ibuprofen Impurity 86, Purity: 96.0% Ibuprofen Impurity 86|C4X-108286 https://www.jk-sci.com/products/s57c4x-1088119 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b021d38297f3292fe86164c5187a77.jpg?v=1791385073 Apixaban Impurity 119, Purity: 95.0% | 881386-12-5 Apixaban Impurity 119|C4X-1088119|881386-12-5 https://www.jk-sci.com/products/s57c4x-11869 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627133_1eba2694-f62e-43a6-ae43-94eee78b44af.png?v=1791382101 Repaglinide EP Impurity B, 99.90% | 99469-99-5 Repaglinide EP Impurity B|C4X-11869|99469-99-5 https://www.jk-sci.com/products/j5326451 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaf3fbbf65246b9e548ac302833a550c.jpg?v=1791403070 N-Boc,N'-benzyl-1,4-diaminobutane hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 90914-09-3 N-Boc,N'-benzyl-1,4-diaminobutane hydrochloride|26451|90914-09-3 https://www.jk-sci.com/products/j5326456 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae69e0295b2ba4856c75ab7515382dc9.jpg?v=1791403056 Fmoc-D-glutamic acid a-amide, Purity by HPLC ≥ 98% | 292150-20-0 Fmoc-D-glutamic acid a-amide|26456|292150-20-0 https://www.jk-sci.com/products/s57c4x-12465 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d76d2f904d65ba363d52709361006399.jpg?v=1791381020 Ambrisentan Impurity 5, 99.70% | 178306-51-9 Ambrisentan Impurity 5|C4X-12465|178306-51-9 https://www.jk-sci.com/products/s57c4x-1354 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b905f4c93bcc937bd3a369ea238903bb_d27afb17-4088-4f35-9281-58999c2e2618.jpg?v=1791379821 Pomalidomide, 99.70% | 19171-19-8 Pomalidomide|C4X-1354|19171-19-8 https://www.jk-sci.com/products/s57c1065697 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e88116a7414d653a0882e6ecb5bceb2.jpg?v=1791391439 (S)-Fluralaner, Purity: 98.2% | 1122022-02-9 (S)-Fluralaner|C1065697|1122022-02-9 https://www.jk-sci.com/products/s57c4x-249420 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee9e0730-aa18-449a-b87b-1c1b62dcaab6.png?v=1791368650 Dotinurad Impurity 20, 97.70% Dotinurad Impurity 20|C4X-249420 https://www.jk-sci.com/products/j5326462 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f12e3d245bb43304d5f62be69d429a53.jpg?v=1791403047 Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid, Purity by HPLC ≥ 99% | 93372-25-9 Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid|26462|93372-25-9 https://www.jk-sci.com/products/j5326464 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64ae90f1f10e7caab105e0ea9c35db6e.jpg?v=1791403045 2-[2-(Fmoc-amino)ethoxy]ethanol, Purity by HPLC ≥ 99% | 299430-87-8 2-[2-(Fmoc-amino)ethoxy]ethanol|26464|299430-87-8 https://www.jk-sci.com/products/s57c1260164 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b5cafe0b803f7b883544eff5d0161e0.jpg?v=1791391211 Iobitridol, 98.00% | 136949-58-1 Iobitridol|C1260164|136949-58-1 https://www.jk-sci.com/products/s57c1324206 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130153a19428f429ecd7701083ece55a_89ce7ee9-dbac-4cc8-8492-f830a1563a96.jpg?v=1791391093 Methyl 2-ethoxy-1H-benzo[d]imidazole-7-carboxylate, 99.60% | 150058-27-8 Methyl 2-ethoxy-1H-benzo[d]imidazole-7-carboxylate|C1324206|150058-27-8 https://www.jk-sci.com/products/s57c1361450 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484981.png?v=1791391006 2-Chloro-5-nitrobenzonitrile, 97.40% | 16588-02-6 2-Chloro-5-nitrobenzonitrile|C1361450|16588-02-6 https://www.jk-sci.com/products/s57c1424238 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455552.png?v=1791390944 Ethyl nonadecanoate, Purity: 99.4% | 18281-04-4 Ethyl nonadecanoate|C1424238|18281-04-4 https://www.jk-sci.com/products/s57c1560352 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12f54b80dade8942fa7258d83eaeae9e_26c0e967-6a29-406e-8034-d1c0dd8d7268.jpg?v=1791390689 2-((4-Fluorophenyl)amino)-2-oxoacetic acid, Purity: 100.0% | 69066-43-9 2-((4-Fluorophenyl)amino)-2-oxoacetic acid|C1560352|69066-43-9 https://www.jk-sci.com/products/s57c1581187 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229519_a8b3208d-edbd-4554-a46b-a291536ba9b3.png?v=1791390660 2-(4-Nitrophenyl)ethanamine, 92.60% | 24954-67-4 2-(4-Nitrophenyl)ethanamine|C1581187|24954-67-4 https://www.jk-sci.com/products/j5326468 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a0257f1c0329d7ec7b2d44aa592c03f.jpg?v=1791403038 Fmoc-sarcosinol, Purity by HPLC ≥ 97% | 147687-15-8 Fmoc-sarcosinol|26468|147687-15-8 https://www.jk-sci.com/products/s57c1830099 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6865c30021c6fa80b6e175823a42ebc.jpg?v=1791389965 Lurbinectedin, 98.60% | 497871-47-3 Lurbinectedin|C1830099|497871-47-3 https://www.jk-sci.com/products/s57c4x-249428 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_38de7bce-2c6a-434c-a14a-3cde437d1855.png?v=1791368644 Dotinurad Impurity 28, 94.60% Dotinurad Impurity 28|C4X-249428 https://www.jk-sci.com/products/s57c1916493 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100511_b72aab0b-c4b1-4890-b1da-cbf73a43ef81.png?v=1791389627 1-(Benzyloxy)-2-bromobenzene, Purity: 99.7% | 31575-75-4 1-(Benzyloxy)-2-bromobenzene|C1916493|31575-75-4 https://www.jk-sci.com/products/s57c3d-4040 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248354.png?v=1791388646 1,1＇-Carbonyldiimidazole, 94.00% | 530-62-1 1,1＇-Carbonyldiimidazole|C3D-4040|530-62-1 https://www.jk-sci.com/products/s57c4x-1001 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359681_15bb640e-25b4-4f54-a87f-5f070ef9607a.png?v=1791387998 Erythromycin, 94.70% | 114-07-8 Erythromycin|C4X-1001|114-07-8 https://www.jk-sci.com/products/s57c4x-101735 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f83ef276-31ab-43e7-84c0-9768d02a4e3c.png?v=1791387564 Vardenafil Impurity 35, 98.10% Vardenafil Impurity 35|C4X-101735 https://www.jk-sci.com/products/s57c4x-106325 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466982207fed979320f4f6937dc0a4aa.jpg?v=1791386293 Edoxaban Impurity 25, 94.30% | 2605225-75-8 Edoxaban Impurity 25|C4X-106325|2605225-75-8 https://www.jk-sci.com/products/s57c4x-106512 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5a6d44a-1366-4f85-a3a3-79e934d8f72f.png?v=1791386197 Empagliflozin Impurity 12, 96.40% Empagliflozin Impurity 12|C4X-106512 https://www.jk-sci.com/products/j5326470 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63949bdf4143004d9e077bfd3f0dbf20.jpg?v=1791403037 Pyrazol(Z)2, Purity by HPLC ≥ 99% | 152120-55-3 Pyrazol(Z)2|26470|152120-55-3 https://www.jk-sci.com/products/s57c4x-112823 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206623_7906f6c4-effc-4a0d-b272-3d0d7eb9be73.png?v=1791383647 Sildenafil Impurity 23, 97.90% | 200575-15-1 Sildenafil Impurity 23|C4X-112823|200575-15-1 https://www.jk-sci.com/products/j5326477 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cc8d7c909bb3832fa55ceeb9a879bcc.jpg?v=1791403024 Cesium bicarbonate, Purity ≥ 99.9% | 29703-01-3 Cesium bicarbonate|26477|29703-01-3 https://www.jk-sci.com/products/s57c4x-126739 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b1adb1d3-7b41-487e-8594-3ca540272e7d.png?v=1791380768 Ixazomib Impurity 39, Purity: 98.1% Ixazomib Impurity 39|C4X-126739 https://www.jk-sci.com/products/j5326487 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8685ca2648007501349d3739ccf79c0c.jpg?v=1791403014 Lithium chromate, Assay ≥ 99% | 14307-35-8 Lithium chromate|26487|14307-35-8 https://www.jk-sci.com/products/s57c4x-13084 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e00876be2a54aa5d708b8fc4b880fe02.jpg?v=1791380538 Levosimendan Impurity 4, Purity: 99.7% | 42075-29-6 Levosimendan Impurity 4|C4X-13084|42075-29-6 https://www.jk-sci.com/products/s57c4x-132416 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0879b688d2b12f70b32b742c5c82aebb.jpg?v=1791380383 Mesalazine EP Impurity P, 94.80% | 887256-40-8 Mesalazine EP Impurity P|C4X-132416|887256-40-8 https://www.jk-sci.com/products/s57c4x-249431 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d78c88ae-6fe8-44c1-9bd3-f0879efc11bf.png?v=1791368631 Dotinurad Impurity 31, 94.70% Dotinurad Impurity 31|C4X-249431 https://www.jk-sci.com/products/s57c4x-137848 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0ac19c639fd3fd9d9720e20c601a86c.jpg?v=1791379360 Daptomycin-d5, Purity>95% | 1356579-56-0 Daptomycin-d5|C4X-137848|1356579-56-0 https://www.jk-sci.com/products/s57c4x-16792 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad1ee26d2d6ad78ec45b826e03a33dd4_1dbe1749-3233-4cb8-b933-e3367545fc27.jpg?v=1791375593 Lidocaine EP Impurity B, 90.10% | 2903-45-9 Lidocaine EP Impurity B|C4X-16792|2903-45-9 https://www.jk-sci.com/products/j5326490 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bd1d2582ada763715c33f7fc85474ba.jpg?v=1791403005 Lithium dihydrogen phosphate, Assay ≥ 99% | 13453-80-0 Lithium dihydrogen phosphate|26490|13453-80-0 https://www.jk-sci.com/products/j5324898 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bb0760d50d7c66f304deec8e1de2d17.jpg?v=1791404683 2-Amino-4,6-difluorobenzothiazole, Purity by HPLC ≥ 97% | 119256-40-5 2-Amino-4,6-difluorobenzothiazole|24898|119256-40-5 https://www.jk-sci.com/products/j5325491 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79ba8f3c78a5235f3b9e458f3896df80.jpg?v=1791404342 3-(4-Methoxyphenyl)isoxazole, Purity by HPLC ≥ 97% | 61428-20-4 3-(4-Methoxyphenyl)isoxazole|25491|61428-20-4 https://www.jk-sci.com/products/j5325714 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfc4d4762422b0c415a183ea1acc1489.jpg?v=1791404094 2-Chloro-6-methylpyridine-4-carbonyl chloride, Purity by GC ≥ 98% | 26413-58-1 2-Chloro-6-methylpyridine-4-carbonyl chloride|25714|26413-58-1 https://www.jk-sci.com/products/j5325855 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64b75aace51f7c52da3c8a1bf49e8806.jpg?v=1791403916 Ethyl 3-Amino-5-(4-chlorophenyl)thiophene-2-carboxylate, Purity by HPLC ≥ 98% | 91076-94-7 Ethyl 3-Amino-5-(4-chlorophenyl)thiophene-2-carboxylate|25855|91076-94-7 https://www.jk-sci.com/products/s57c1010916 2026-10-08T05:11:38-07:00 daily https://www.jk-sci.com/products/j5325941 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/feb15581573b35f953eeb3ae0b0e421e.jpg?v=1791403814 2-Chloro-N-(3-methoxyphenyl)acetamide, Purity by HPLC ≥ 98% | 17641-08-6 2-Chloro-N-(3-methoxyphenyl)acetamide|25941|17641-08-6 https://www.jk-sci.com/products/s57c4x-24944 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4c60c8e72c53272c97827525f160e10.jpg?v=1791368626 Dotinurad Impurity 4, 94.90% | 1285573-47-8 Dotinurad Impurity 4|C4X-24944|1285573-47-8 https://www.jk-sci.com/products/s57c4x-249445 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c37fe745-eecf-442b-b92b-6af607dc6718.png?v=1791368619 Dotinurad Impurity 45, 99.30% Dotinurad Impurity 45|C4X-249445 https://www.jk-sci.com/products/s57c4x-249455 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279329_bf09630c-3c50-4ed4-a9ba-3fe4ec2a950f.png?v=1791368612 Dotinurad Impurity 55, 93.30% | 1945-78-4 Dotinurad Impurity 55|C4X-249455|1945-78-4 https://www.jk-sci.com/products/s57c1021410 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e169d487f450c87f3f76bd88880a149a.jpg?v=1791391539 6-((6-(1-Methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)quinoline, 99.40% | 1022150-57-7 6-((6-(1-Methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)quinoline|C1021410|1022150-57-7 https://www.jk-sci.com/products/j5326015 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b3aed916d273dfaa2d00c746be02325.jpg?v=1791403717 5'-Bromo-2'-hydroxypropiophenone, Purity by HPLC ≥ 99.5% | 17764-93-1 5'-Bromo-2'-hydroxypropiophenone|26015|17764-93-1 https://www.jk-sci.com/products/s57c1101720 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371864.png?v=1791391404 1,1,3,3-Tetraethylurea, 99.50% | 1187-03-7 1,1,3,3-Tetraethylurea|C1101720|1187-03-7 https://www.jk-sci.com/products/j5326051 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48320d8705c3dc5bd68ed9bfb2013e50.jpg?v=1791403659 2-Chloro-3-formyl-6-methoxyquinoline, Purity by HPLC ≥ 98% | 73568-29-3 2-Chloro-3-formyl-6-methoxyquinoline|26051|73568-29-3 https://www.jk-sci.com/products/s57c1214914 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35e7ace175a9c1f7052414b1dc45e6b5.jpg?v=1791391256 2-Amino-2-(pyridin-3-yl)acetonitrile, 73.70% | 131988-63-1 2-Amino-2-(pyridin-3-yl)acetonitrile|C1214914|131988-63-1 https://www.jk-sci.com/products/s57c4x-249461 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d069e52237cd9405056d0ebbc2d03a8.jpg?v=1791368607 Dotinurad Impurity 61, 99.20% | 428458-98-4 Dotinurad Impurity 61|C4X-249461|428458-98-4 https://www.jk-sci.com/products/s57c4x-249467 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18c5e37e15bafa347e11d8b1057aa2c5.jpg?v=1791368590 Dotinurad Impurity 67, 99.10% | 39884-80-5 Dotinurad Impurity 67|C4X-249467|39884-80-5 https://www.jk-sci.com/products/j5326079 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d43ad6b641e8a61b94bc720f3793be1.jpg?v=1791403606 2-Chloro-4-methoxypyridine, Purity by GC ≥ 97% | 17228-69-2 2-Chloro-4-methoxypyridine|26079|17228-69-2 https://www.jk-sci.com/products/s57c1262714 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6d567b8f48ca4296c4e2ab49b0e5ae1.jpg?v=1791391200 4-[6-(7-Cyclopentyl-6-dimethylcarbamoyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester, Purity: 99.8% | 1374639-78-7 4-[6-(7-Cyclopentyl-6-dimethylcarbamoyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester|C1262714|1374639-78-7 https://www.jk-sci.com/products/j5326104 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbff67476c721a981a501e4cadea22e6.jpg?v=1791403570 2,6-Dimethyl-4-cyanopyridine, Purity by HPLC ≥ 96% | 39965-81-6 2,6-Dimethyl-4-cyanopyridine|26104|39965-81-6 https://www.jk-sci.com/products/s57c1336420 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7227d6b9d4006031d0c4fb7577fa077.jpg?v=1791391071 (2S,5S)-5-Hydroxypiperidine-2-carboxylic acid hydrochloride, 99.50% | 154307-84-3 (2S,5S)-5-Hydroxypiperidine-2-carboxylic acid hydrochloride|C1336420|154307-84-3 https://www.jk-sci.com/products/s57c1357970 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/993451e3f7477384ee67905498b469af.jpg?v=1791391017 2-(1-Methanesulfonylazetidin-3-ylidene)acetonitrile, 98.30% | 1638759-68-8 2-(1-Methanesulfonylazetidin-3-ylidene)acetonitrile|C1357970|1638759-68-8 https://www.jk-sci.com/products/j5326137 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b51bb37c6fa042f114669841ec9c715.jpg?v=1791403536 Morpholin-4-yl-quinoxalin-6-yl-methanone, Purity by HPLC ≥ 95% | 312319-71-4 Morpholin-4-yl-quinoxalin-6-yl-methanone|26137|312319-71-4 https://www.jk-sci.com/products/j5326158 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8c1432a1009ee5860d9326874b12cf9.jpg?v=1791403493 3-Cyano-5,6-dimethyl-2-hydroxypyridine, Purity by HPLC ≥ 95% | 72716-80-4 3-Cyano-5,6-dimethyl-2-hydroxypyridine|26158|72716-80-4 https://www.jk-sci.com/products/s57c1433892 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4384bfeb61f69494c03ce0ab8bfca2cf.jpg?v=1791390925 3-(Carboxymethoxy)benzoic acid, 91.20% | 1878-61-1 3-(Carboxymethoxy)benzoic acid|C1433892|1878-61-1 https://www.jk-sci.com/products/s57c4x-2495 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/903f4e286e358b32f29a4fbd3fc59518.jpg?v=1791368586 Venetoclax, 99.20% | 1257044-40-8 Venetoclax|C4X-2495|1257044-40-8 https://www.jk-sci.com/products/j5326187 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2216f64af6ec6a5dcfa2bfb1bc6c9fe8.jpg?v=1791403449 3-(Hydroxymethyl)pyridazine, Purity ≥ 98% | 37444-46-5 3-(Hydroxymethyl)pyridazine|26187|37444-46-5 https://www.jk-sci.com/products/j5326227 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65d6d62e23efb7b812ee7e8ed59d4784.jpg?v=1791403395 2-Amino-4-Trifluoromethyloxazole, Purity by HPLC ≥ 95% | 35629-71-1 2-Amino-4-Trifluoromethyloxazole|26227|35629-71-1 https://www.jk-sci.com/products/j5326250 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93c31143e2d8b6dd9861aa0e97f5da65.jpg?v=1791403354 6-Bromoimidazo[1,2-a]pyridin-8-amine, Purity by HPLC ≥ 95% | 676371-00-9 6-Bromoimidazo[1,2-a]pyridin-8-amine|26250|676371-00-9 https://www.jk-sci.com/products/j5326274 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/820f8bf57864cf01c92fc69bff004162.jpg?v=1791403317 6-Bromo-1-methyl-1H-benzo[d]imidazole, Purity by HPLC ≥ 96% | 53484-16-5 6-Bromo-1-methyl-1H-benzo[d]imidazole|26274|53484-16-5 https://www.jk-sci.com/products/s57c1519447 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8b5b4c96131b4e85ccee9ee80985e5c.jpg?v=1791390769 1-[4-(1-Methylethenyl)phenyl]ethanone, 98.20% | 5359-04-6 1-[4-(1-Methylethenyl)phenyl]ethanone|C1519447|5359-04-6 https://www.jk-sci.com/products/j5326292 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f2fbcae1c12e5a551e20bd42a2c3524.jpg?v=1791403294 Ethyl 6-chloro-4-ethoxypyridine-3-carboxylate, Purity by HPLC ≥ 95% | 40296-47-7 Ethyl 6-chloro-4-ethoxypyridine-3-carboxylate|26292|40296-47-7 https://www.jk-sci.com/products/j5326318 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d16ec6bf820b131cc5dfbee70e341b3.jpg?v=1791403262 6-Bromo-1-methylindazole, Assay ≥ 98% | 590417-94-0 6-Bromo-1-methylindazole|26318|590417-94-0 https://www.jk-sci.com/products/j5326309 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fee3558f7acec0d07cf9dcdc30bfe0b.jpg?v=1791403273 5-Bromo-1-Methyl-1H-indazol-3-amine, Purity by HPLC ≥ 95% | 1000018-06-3 5-Bromo-1-Methyl-1H-indazol-3-amine|26309|1000018-06-3 https://www.jk-sci.com/products/s57c4x-24963 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c8112e53e69f19b7ed8bb19a943a8f4.jpg?v=1791368575 Desogestrel EP Impurity C/Desogestrel USP RC D, Purity: 99.5% | 54024-21-4 Desogestrel EP Impurity C/Desogestrel USP RC D|C4X-24963|54024-21-4 https://www.jk-sci.com/products/s57c1636867 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111171.png?v=1791390517 2-Nitrobenzenethiol, 85.60% | 4875-10-9 2-Nitrobenzenethiol|C1636867|4875-10-9 https://www.jk-sci.com/products/j5326339 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e7dc2937fdeb6b6bd3bb32c9540896d.jpg?v=1791403211 6-Bromopyridine-2,3-diamine, Purity by HPLC ≥ 95% | 129012-04-0 6-Bromopyridine-2,3-diamine|26339|129012-04-0 https://www.jk-sci.com/products/j5326354 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34e05c449b5313838d2498ce5c751f38.jpg?v=1791403187 Isoquinonline-8-boronic acid, Purity by HPLC ≥ 95% | 721401-43-0 Isoquinonline-8-boronic acid|26354|721401-43-0 https://www.jk-sci.com/products/s57c1644782 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135877_5aa7188e-5b4b-4563-b560-4a5343b988ed.png?v=1791390513 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonylchloride, Purity: 98.9% | 4462-55-9 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonylchloride|C1644782|4462-55-9 https://www.jk-sci.com/products/s57c4x-250315 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104618_6c27baa0-d558-4256-afc9-4128cd10ae15.png?v=1791368564 Indocyanine Green Impurity 15 (2,4-Dinitroaniline), 100.00% | 97-02-9 Indocyanine Green Impurity 15 (2,4-Dinitroaniline)|C4X-250315|97-02-9 https://www.jk-sci.com/products/s57c4x-250328 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b8f5439507c7e88b370e01195751416.jpg?v=1791368555 Indocyanine Green Impurity 28, 91.20% | 906772-02-9 Indocyanine Green Impurity 28|C4X-250328|906772-02-9 https://www.jk-sci.com/products/s57c4x-250340 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6f3d3488a6217cfcd3d1a81715d0cd6.jpg?v=1791368551 Indocyanine Green Impurity 40, Purity: 99.9% | 2550577-41-6 Indocyanine Green Impurity 40|C4X-250340|2550577-41-6 https://www.jk-sci.com/products/j5326372 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22e8be90d83733388ff38071c05b70b2.jpg?v=1791403164 5-Bromo-1,7-dimethylindazole, Purity by HPLC ≥ 98% | 1092352-34-5 5-Bromo-1,7-dimethylindazole|26372|1092352-34-5 https://www.jk-sci.com/products/s57c1881272 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef561381ab6bc1d9aba84ae7fa787205.jpg?v=1791389850 Neostigmine impurity 01, 98.40% | 618-09-7 Neostigmine impurity 01|C1881272|618-09-7 https://www.jk-sci.com/products/s57c4x-2508 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9127c2bc2aeccf2661f318e534a1e818.jpg?v=1791368534 Maropitant Citrate Hydrate, 98.90% | 359875-09-5 Maropitant Citrate Hydrate|C4X-2508|359875-09-5 https://www.jk-sci.com/products/j5326377 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52f67a99fcc8616d4a2071c38a252ff3.jpg?v=1791403159 8-Bromo-3-hydroxyisoquinoline, Purity by HPLC 95 - 100% || Purity ≥ 95% | 608515-49-7 8-Bromo-3-hydroxyisoquinoline|26377|608515-49-7 https://www.jk-sci.com/products/s57c3d-5857 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484564_a8796cc5-199d-41d3-9b4f-914033a2794f.png?v=1791388153 Nitrosobenzene, Purity: 100.0% | 586-96-9 Nitrosobenzene|C3D-5857|586-96-9 https://www.jk-sci.com/products/s57c4x-250343 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b842c72-b7af-4e57-962f-3ab786c56263.png?v=1791368548 Indocyanine Green Impurity 43, 70.70% Indocyanine Green Impurity 43|C4X-250343 https://www.jk-sci.com/products/s57c4x-25047 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202ec37015d69e22b935a990a0448c89.jpg?v=1791368541 Triclosan Impurity 7, 95.20% | 134479-47-3 Triclosan Impurity 7|C4X-25047|134479-47-3 https://www.jk-sci.com/products/s57c4x-25071 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21eea1a79f489f14bf2fad72b5cdf067.jpg?v=1791368541 Salcaprozate Impurity 1, Purity: 97.1% | 1027911-46-1 Salcaprozate Impurity 1|C4X-25071|1027911-46-1 https://www.jk-sci.com/products/s57c4x-25038 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d658e5b9a82127ae995083fbc50dcd4.jpg?v=1791368546 Indocyanine Green Impurity 8, 93.20% | 63450-66-8 Indocyanine Green Impurity 8|C4X-25038|63450-66-8 https://www.jk-sci.com/products/s57c3d-5988 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369741_1407e351-8f26-49ef-a4d8-3b06c34f6237.png?v=1791388097 Flavin Adenine Dinucleotide Disodium Salt ·xHydrate, 85.10% | 84366-81-4 Flavin Adenine Dinucleotide Disodium Salt ·xHydrate|C3D-5988|84366-81-4 https://www.jk-sci.com/products/s57c4x-25102 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c92b71a3959862913169f3e877473630.jpg?v=1791368530 Carbodenafil Impurity 2, 94.80% | 2711006-62-9 Carbodenafil Impurity 2|C4X-25102|2711006-62-9 https://www.jk-sci.com/products/s57c4x-25171 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607332_77b50c51-65fd-4a8d-a8a1-9f6f0edc699f.png?v=1791368528 2-Thenaldehyde, 94.10% | 98-03-3 2-Thenaldehyde|C4X-25171|98-03-3 https://www.jk-sci.com/products/j5326388 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505ed17826f72107766df4ab820adeea.jpg?v=1791403144 5-Bromo-1,4-dimethyl-1H-indazole, Purity by HPLC ≥ 97% | 1159511-80-4 5-Bromo-1,4-dimethyl-1H-indazole|26388|1159511-80-4 https://www.jk-sci.com/products/s57c4x-25196 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56e333ed8ef89d788fe0ddee97b7c0f4.jpg?v=1791368518 Ensitrelvir Impurity 6, 99.50% | 2771355-73-6 Ensitrelvir Impurity 6|C4X-25196|2771355-73-6 https://www.jk-sci.com/products/s57c4x-25201 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec726206-20f8-46f2-9c6e-8040731f9f3f.png?v=1791368511 Pitolisant Impurity 1, 95.60% Pitolisant Impurity 1|C4X-25201 https://www.jk-sci.com/products/s57c4x-25192 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21780150dcc92342584d43b27e8c3084.jpg?v=1791368523 Ensitrelvir, 99.70% | 2647530-73-0 Ensitrelvir|C4X-25192|2647530-73-0 https://www.jk-sci.com/products/s57c4x-10182 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cea6b9e6ebdb4cb1441620449418524.jpg?v=1791387547 Choline fenofiBrate impurity C, 99.80% | 217636-47-0 Choline fenofiBrate impurity C|C4X-10182|217636-47-0 https://www.jk-sci.com/products/s57c4x-107217 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9e417f00012e2843eb7672fca985456.jpg?v=1791385872 Bortezomib Impurity 17, 95.30% | 1194235-41-0 Bortezomib Impurity 17|C4X-107217|1194235-41-0 https://www.jk-sci.com/products/s57c4x-10828 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/baffa15d3714963fadf09b4c55a92eca.jpg?v=1791385365 Ibuprofen EP Impurity H, 91.20% | 2143535-25-3 Ibuprofen EP Impurity H|C4X-10828|2143535-25-3 https://www.jk-sci.com/products/s57c4x-252011 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b7c2a7ac-cc58-4b99-9118-fe7838955b97.png?v=1791368505 Pitolisant impurity 11, 93.10% Pitolisant impurity 11|C4X-252011 https://www.jk-sci.com/products/j5326400 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41dbc2083c5a4dc7689caeffd1c520a3.jpg?v=1791403132 4-(2-Morpholinoethoxy)benzene-1,2-diamine trihydrochloride, Purity by HPLC ≥ 95% | 75328-29-9 4-(2-Morpholinoethoxy)benzene-1,2-diamine trihydrochloride|26400|75328-29-9 https://www.jk-sci.com/products/s57c4x-108413 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c106e6d416716891a593b1d24f7f16fb.jpg?v=1791385276 Roflumilast Impurity 13, 99.20% | 53173-70-9 Roflumilast Impurity 13|C4X-108413|53173-70-9 https://www.jk-sci.com/products/s57c4x-252013 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3b1f4506743befb144591a0e96e9b1a.jpg?v=1791368501 Pitolisant impurity 13, 87.40% | 78358-09-5 Pitolisant impurity 13|C4X-252013|78358-09-5 https://www.jk-sci.com/products/s57c4x-252016 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/018bb8a8243d8abf940b7d952293abcc.jpg?v=1791368502 Pitolisant impurity 16, 95.00% | 31951-46-9 Pitolisant impurity 16|C4X-252016|31951-46-9 https://www.jk-sci.com/products/s57c4x-252021 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a91200ba-b1ab-4902-b806-2cfd501bf94f.png?v=1791368490 Pitolisant impurity 21, 96.70% Pitolisant impurity 21|C4X-252021 https://www.jk-sci.com/products/s57c4x-252019 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ceff7452-9efb-4786-9c17-719d8ae7dc01.png?v=1791368495 Pitolisant impurity 19, 97.70% Pitolisant impurity 19|C4X-252019 https://www.jk-sci.com/products/s57c4x-108771 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ff4e960-3e27-4de4-b9b9-1ac5250d0da2.png?v=1791385088 Tadalafil Impurity 71, Purity: 95.2% Tadalafil Impurity 71|C4X-108771 https://www.jk-sci.com/products/s57c4x-12111 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224133.png?v=1791381682 Paracetamol EP Impurity B, 99.10% | 1693-37-4 Paracetamol EP Impurity B|C4X-12111|1693-37-4 https://www.jk-sci.com/products/j5326419 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/477fe5a3f807ce2d60f680883811c395.jpg?v=1791403113 5-Methylpyridazin-3(4H)-one, Purity by HPLC ≥ 95% | 1207175-12-9 5-Methylpyridazin-3(4H)-one|26419|1207175-12-9 https://www.jk-sci.com/products/s57c4x-124813 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/390d876e375e2ae078749626cf410d72.jpg?v=1791380977 Valaciclovir EP Impurity M, 90.60% | 847670-62-6 Valaciclovir EP Impurity M|C4X-124813|847670-62-6 https://www.jk-sci.com/products/j5326435 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b0cdf95d1d28e7eeb6a8eaae5d7769d.jpg?v=1791403090 H-1,4-trans-Achc-OMe·HCl, Assay by titration ≥ 99% | 61367-07-5 H-1,4-trans-Achc-OMe·HCl|26435|61367-07-5 https://www.jk-sci.com/products/s57c4x-130847 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dea1ee15-321f-4a60-addc-b2ee8413c1ad.png?v=1791380533 Levosimendan Impurity 47, 94.20% Levosimendan Impurity 47|C4X-130847 https://www.jk-sci.com/products/j5326450 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da6c1337219bac2e7a1d61366b7165be.jpg?v=1791403070 Boc-cystamine.HCl, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 93790-49-9 Boc-cystamine.HCl|26450|93790-49-9 https://www.jk-sci.com/products/j5326461 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225dbece4aba244b51fcf118eed1f0a1.jpg?v=1791403049 Fmoc-Pro(4-keto)-OH, Assay by titration ≥ 80% || Purity by HPLC ≥ 99% | 223581-83-7 Fmoc-Pro(4-keto)-OH|26461|223581-83-7 https://www.jk-sci.com/products/j5326465 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58d74c7d059a4692210f86cb128e60ad.jpg?v=1791403042 Boc-D-Dab(Z)(ol), Purity by HPLC ≥ 99% | 197892-17-4 Boc-D-Dab(Z)(ol)|26465|197892-17-4 https://www.jk-sci.com/products/j5326476 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/045d2e51b9b6eda2487130936305a990.jpg?v=1791403024 Cesium sulfate, Assay ≥ 99.9% | 10294-54-9 Cesium sulfate|26476|10294-54-9 https://www.jk-sci.com/products/j5326488 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3565c375fd21eb37f8a69c3bb2544ab.jpg?v=1791403009 Lithium oxide, Assay ≥ 98.5% | 12057-24-8 Lithium oxide|26488|12057-24-8 https://www.jk-sci.com/products/j5326497 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6ff698da00eaae6a410864edff322b3.jpg?v=1791402995 Lithium tartrate, Purity ≥ 99% | 30903-88-9 Lithium tartrate|26497|30903-88-9 https://www.jk-sci.com/products/s57c4x-133815 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ecf36aeec8904754aa11dd0ea7861ff.jpg?v=1791380131 Terbinafine EP Impurity B HCl, 94.10% | 176168-78-8 Terbinafine EP Impurity B HCl|C4X-133815|176168-78-8 https://www.jk-sci.com/products/s57c1142243 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_772b05c4-7f85-44cc-82b4-c46f7389a4a6.png?v=1791391338 Seractide acetate Seractide acetate|C1142243 https://www.jk-sci.com/products/s57c1182812 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cca1e0ed1624b4b9f7509c1f421ddaa.jpg?v=1791391307 Axitinib-13C-d3, Purity>95% | 1261432-00-1 Axitinib-13C-d3|C1182812|1261432-00-1 https://www.jk-sci.com/products/s57c1262711 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83ba0e2f5ace1f74c301f64f22e99dc0.jpg?v=1791391201 Ribociclib succinate, 99.90% | 1374639-75-4 Ribociclib succinate|C1262711|1374639-75-4 https://www.jk-sci.com/products/s57c1469789 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e13aae5e0fab1fb24f3e4c7f618434.jpg?v=1791390858 (2S,3S)-2-Hydroxy-3-methylpentanoic Acid | 51576-04-6 (2S,3S)-2-Hydroxy-3-methylpentanoic Acid|C1469789|51576-04-6 https://www.jk-sci.com/products/s57c1730247 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975263cb30b70303ad577bd9410156a1.jpg?v=1791390351 4-methylthiophen-3-amine, Purity: 96.3% | 23967-97-7 4-methylthiophen-3-amine|C1730247|23967-97-7 https://www.jk-sci.com/products/s57c1779416 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471024c33833782e98cd28df2d4f187c.jpg?v=1791390279 7-Chloro-1,3-dihydro-5-(2-fluorophenyl)-2-nitromethyl-ene-2H-1,4-benzodiazepine, 98.80% | 59467-63-9 7-Chloro-1,3-dihydro-5-(2-fluorophenyl)-2-nitromethyl-ene-2H-1,4-benzodiazepine|C1779416|59467-63-9 https://www.jk-sci.com/products/j5326518 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77b6d4cc8dfda9583502d3b1b90ee6c5.jpg?v=1791402969 3-Cyclopentylpropanal, Purity ≥ 95% (NMR) | 6053-89-0 3-Cyclopentylpropanal|26518|6053-89-0 https://www.jk-sci.com/products/s57c1797224 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/889d934e1d48e0ea220552ca8f31de92_f696a7a1-13d2-4844-9303-9f37f4451425.jpg?v=1791390174 Cetirizine EP Impurity G, Purity: 100.0% | 728948-88-7 Cetirizine EP Impurity G|C1797224|728948-88-7 https://www.jk-sci.com/products/s57c1803427 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a3808198079f6bd418c30dece7a71c.jpg?v=1791390122 Diflorasone 21-Propionate, 97.10% | 541502-98-1 Diflorasone 21-Propionate|C1803427|541502-98-1 https://www.jk-sci.com/products/j5326522 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32160ed09036571a4f2eb420bcda26a1.jpg?v=1791402964 3-(1H-Pyrazol-1-yl)propanal, Purity ≥ 95% (NMR) | 89532-43-4 3-(1H-Pyrazol-1-yl)propanal|26522|89532-43-4 https://www.jk-sci.com/products/s57c1884538 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02ea2f5b42704359380baa87fa390743.jpg?v=1791389838 N-Nitroso Cimetidine 1, 90.90% | 73785-40-7 N-Nitroso Cimetidine 1|C1884538|73785-40-7 https://www.jk-sci.com/products/s57c3d-2193 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/633663.png?v=1791389330 sec-butyl 4-methylbenzenesulfonate, 90.20% | 715-11-7 sec-butyl 4-methylbenzenesulfonate|C3D-2193|715-11-7 https://www.jk-sci.com/products/s57c3d-3368 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452792.png?v=1791388815 N-Benzoyl-L-alanine, 99.60% | 2198-64-3 N-Benzoyl-L-alanine|C3D-3368|2198-64-3 https://www.jk-sci.com/products/s57c4x-102015 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/569533.png?v=1791387480 Vonoprazan Fumarate Impurity 15, Purity: 100.0% | 636-73-7 Vonoprazan Fumarate Impurity 15|C4X-102015|636-73-7 https://www.jk-sci.com/products/s57c4x-102017 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c48af64376c16ae017a7104634e4790.jpg?v=1791387467 Vonoprazan Fumarate Impurity 17, 99.70% | 1883595-38-7 Vonoprazan Fumarate Impurity 17|C4X-102017|1883595-38-7 https://www.jk-sci.com/products/j5326527 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be2793abd626ba60fb8eaf5cdada8f24.jpg?v=1791402955 1-Allyl-1H-benzimidazole-2-carbaldehyde, Purity ≥ 95% (NMR) | 118482-14-7 1-Allyl-1H-benzimidazole-2-carbaldehyde|26527|118482-14-7 https://www.jk-sci.com/products/j5326547 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4fd3577905a84ce5617e21a9ea48453.jpg?v=1791402918 1-Methyl-2-oxo-1,2-dihydro-3-quinolinecarbaldehyde, Purity by HPLC ≥ 96% | 67735-60-8 1-Methyl-2-oxo-1,2-dihydro-3-quinolinecarbaldehyde|26547|67735-60-8 https://www.jk-sci.com/products/j5326557 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0f9518c3432dda849dfa66e6282c30e.jpg?v=1791402899 2,7-Dimethyl-1H-indole-3-carbaldehyde, Purity ≥ 95% (NMR) | 872505-78-7 2,7-Dimethyl-1H-indole-3-carbaldehyde|26557|872505-78-7 https://www.jk-sci.com/products/s57c4x-105619 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1f97447-1097-425f-8234-c5fab70ff3f8.png?v=1791386570 Vortioxetine Impurity 19, Purity: 99.5% Vortioxetine Impurity 19|C4X-105619 https://www.jk-sci.com/products/s57c4x-108280 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496935.png?v=1791385362 Ibuprofen Impurity 80, 92.70% | 3585-47-5 Ibuprofen Impurity 80|C4X-108280|3585-47-5 https://www.jk-sci.com/products/s57c4x-108445 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd51210b-5b23-4308-a523-1b4828b13691.png?v=1791385239 Roflumilast Impurity 45, 97.70% Roflumilast Impurity 45|C4X-108445 https://www.jk-sci.com/products/s57c4x-10854 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1211ed78329f731f9f7a1e42c8740c3.jpg?v=1791385192 Ambroxol EP Impurity D HCl, 99.20% | 1384955-66-1 Ambroxol EP Impurity D HCl|C4X-10854|1384955-66-1 https://www.jk-sci.com/products/s57c4x-116956 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3663094a2f048f54a616702aa29fec58.jpg?v=1791382312 Rosuvastatin EP Impurity L Calcium Salt (R-R Monomer), 95.20% | 1347797-73-2 Rosuvastatin EP Impurity L Calcium Salt (R-R Monomer)|C4X-116956|1347797-73-2 https://www.jk-sci.com/products/s57c4x-11931 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141949_69640c6a-1a29-4364-a03a-25aa51367848.png?v=1791382018 Cefepime Impurity 1, 97.70% | 120-94-5 Cefepime Impurity 1|C4X-11931|120-94-5 https://www.jk-sci.com/products/j5326581 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb752706d9e69b31172fec3961cda849.jpg?v=1791402858 6-Fluoro-1-methyl-1H-indole-3-carbaldehyde, Purity ≥ 96% (NMR) | 441715-93-1 6-Fluoro-1-methyl-1H-indole-3-carbaldehyde|26581|441715-93-1 https://www.jk-sci.com/products/j5326591 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a80d590ba0d8d40f2800fefb175f9186.jpg?v=1791402843 1-(3-Fluorophenyl)-1H-pyrazole-4-carbaldehyde, Purity by HPLC ≥ 99% | 936940-82-8 1-(3-Fluorophenyl)-1H-pyrazole-4-carbaldehyde|26591|936940-82-8 https://www.jk-sci.com/products/s57c4x-1208156 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f68cbf5-4e2f-40b4-a7c4-30cfc06b090e.png?v=1791381793 Posaconazole Impurity 156, 99.90% Posaconazole Impurity 156|C4X-1208156 https://www.jk-sci.com/products/j5326625 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52f412ce0d7e6d1c21ae42416ed07149.jpg?v=1791402784 1-(2-Hydroxyethyl)-3-methyl-1H-pyrazole-4-carbaldehyde, Purity ≥ 95% (NMR) | 1177321-94-6 1-(2-Hydroxyethyl)-3-methyl-1H-pyrazole-4-carbaldehyde|26625|1177321-94-6 https://www.jk-sci.com/products/s57c4x-123652 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d61ebb26-1281-49bd-b761-ae9e2f79341a.png?v=1791381293 Isavuconazole Impurity 52, 94.60% Isavuconazole Impurity 52|C4X-123652 https://www.jk-sci.com/products/j5326640 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bff5b81526897876f308a59595735cc.jpg?v=1791402764 2-Ethyl-4-pyrimidinecarbaldehyde, Purity ≥ 95% (NMR) | 1092299-36-9 2-Ethyl-4-pyrimidinecarbaldehyde|26640|1092299-36-9 https://www.jk-sci.com/products/s57c4x-13676 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325641_408e6fb6-8dcd-494f-84ba-89a19dfa5781.png?v=1791379551 Metoprolol EP Impurity F, 99.40% | 7695-63-8 Metoprolol EP Impurity F|C4X-13676|7695-63-8 https://www.jk-sci.com/products/j5326649 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155e73dda20e4779d4e1d392a48f9357.jpg?v=1791402749 1-(2-Propyn-1-yl)-1H-pyrrole-2-carbaldehyde, Purity ≥ 95% (NMR) | 104501-02-2 1-(2-Propyn-1-yl)-1H-pyrrole-2-carbaldehyde|26649|104501-02-2 https://www.jk-sci.com/products/s57c4x-252026 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_48da70df-6f95-4e48-bc50-bf3ca8ee9fd0.png?v=1791368486 Pitolisant impurity 26, Purity: 100.0% Pitolisant impurity 26|C4X-252026 https://www.jk-sci.com/products/s57c4x-15162 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fadb96821d14a92f9569ef164066a8f.jpg?v=1791376975 Tiopronin Impurity 2, 98.50% | 85038-45-5 Tiopronin Impurity 2|C4X-15162|85038-45-5 https://www.jk-sci.com/products/j5326652 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f453b8e8e5e52191aa3b092c9668b79.jpg?v=1791402743 4-Formyl-1H-pyrazole-3-carboxylic acid, Purity ≥ 95% (NMR) | 35344-94-6 4-Formyl-1H-pyrazole-3-carboxylic acid|26652|35344-94-6 https://www.jk-sci.com/products/s57c1426696 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8de3ff23fdb333e7add206aa9dbb8744.jpg?v=1791390935 dihydromyrcenol, Purity: 100.0% | 18479-58-8 dihydromyrcenol|C1426696|18479-58-8 https://www.jk-sci.com/products/j5325643 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b7dc291fd13d205fa634d4d1b1ed40f.jpg?v=1791404180 3,6-Dichlorobenzo[b]thiophene-2-carboxylic acid, Purity by HPLC ≥ 99% | 34576-94-8 3,6-Dichlorobenzo[b]thiophene-2-carboxylic acid|25643|34576-94-8 https://www.jk-sci.com/products/s57c1484288 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d2be264a34bf605c795cb114fea608c.jpg?v=1791390842 (6Z,9Z,12Z,15Z,18Z,21Z)-Tetracosahexaenoic Acid, 93.70% | 68378-49-4 (6Z,9Z,12Z,15Z,18Z,21Z)-Tetracosahexaenoic Acid|C1484288|68378-49-4 https://www.jk-sci.com/products/j5324384 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89d549da0b4dfdee9b906cee36ec3008.jpg?v=1791405323 2,4,6-Trichloroquinazoline, Purity by GC ≥ 97% | 20028-68-6 2,4,6-Trichloroquinazoline|24384|20028-68-6 https://www.jk-sci.com/products/j5326671 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c57eae2ecabd069ed043a61bf8194e0.jpg?v=1791402718 2-(Methylthio)pyrimidine-5-carbaldehyde, Purity ≥ 96% (NMR) | 90905-31-0 2-(Methylthio)pyrimidine-5-carbaldehyde|26671|90905-31-0 https://www.jk-sci.com/products/s57c1537287 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9f1ac2ff3a1a6e03bd0aa90ea37015e.jpg?v=1791390745 1,5-Dibromo-2,3-difluorobenzene, 95.20% | 811713-09-4 1,5-Dibromo-2,3-difluorobenzene|C1537287|811713-09-4 https://www.jk-sci.com/products/j5325896 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5666bd954e5c298e8f2fe7d0986a0e16.jpg?v=1791403867 4-Chloro-4'-cyanodiphenyl ether, Purity by HPLC ≥ 99% | 74448-92-3 4-Chloro-4'-cyanodiphenyl ether|25896|74448-92-3 https://www.jk-sci.com/products/s57c1711658 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/923c9de496449fcf044ee8b81d71358a.jpg?v=1791390387 4-Amino-2-fluoro-N-methylbenzamide, Purity: 99.9% | 915087-25-1 4-Amino-2-fluoro-N-methylbenzamide|C1711658|915087-25-1 https://www.jk-sci.com/products/s57c1766131 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556243_5a366e7e-8ec7-43b1-9de2-4dcfdd50aa6d.png?v=1791390301 6-Amino Nicotinic Acid, 100.00% | 3167-49-5 6-Amino Nicotinic Acid|C1766131|3167-49-5 https://www.jk-sci.com/products/s57c1803211 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200202_44b2af7a-ab38-499a-abe3-a6152185c97b.png?v=1791390126 Diethyl Allylmalonate, 97.90% | 2049-80-1 Diethyl Allylmalonate|C1803211|2049-80-1 https://www.jk-sci.com/products/s57c1826716 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133927.png?v=1791390006 Hydantoic Acid, Purity: 100.0% | 462-60-2 Hydantoic Acid|C1826716|462-60-2 https://www.jk-sci.com/products/s57c1838297 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312580.png?v=1791389934 Methyl 2-nitrobenzoate, 99.70% | 606-27-9 Methyl 2-nitrobenzoate|C1838297|606-27-9 https://www.jk-sci.com/products/s57c1854669 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231141.png?v=1791389899 N-(2,6-dimethylphenyl)piperidine-3-carboxamide, 94.10% | 337488-90-1 N-(2,6-dimethylphenyl)piperidine-3-carboxamide|C1854669|337488-90-1 https://www.jk-sci.com/products/j5326033 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfda9000e454b264f16a6901a7530b46.jpg?v=1791403693 5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-thiol, Purity by HPLC ≥ 98% | 203268-67-1 5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-thiol|26033|203268-67-1 https://www.jk-sci.com/products/j5326144 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a1e0aaaa5c6bb6f601d7a86a08a9d5a.jpg?v=1791403521 Pyrido[3,4-b]pyrazine, Purity by HPLC ≥ 95% | 254-86-4 Pyrido[3,4-b]pyrazine|26144|254-86-4 https://www.jk-sci.com/products/j5326087 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf7374cc756689606c4bb4c209bee6f7.jpg?v=1791403595 3-Butyl-2-heptanone, Purity by HPLC ≥ 95% | 997-69-3 3-Butyl-2-heptanone|26087|997-69-3 https://www.jk-sci.com/products/s57c1894488 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/490616.png?v=1791389754 Suc-Ala-Ala-Pro-Phe-pNA | 70967-97-4 Suc-Ala-Ala-Pro-Phe-pNA|C1894488|70967-97-4 https://www.jk-sci.com/products/j5326197 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8d89725bd200e9870ef01a4a8d704d2.jpg?v=1791403439 4-Chloro-5-aminopyrimidine, Purity by HPLC ≥ 95% | 54660-78-5 4-Chloro-5-aminopyrimidine|26197|54660-78-5 https://www.jk-sci.com/products/j5326261 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b49d54681a563ea386f977579667b0e.jpg?v=1791403339 4-Fluoro-3-hydroxyphenylboronic acid pinacol ester, Purity by GC ≥ 98% | 760990-08-7 4-Fluoro-3-hydroxyphenylboronic acid pinacol ester|26261|760990-08-7 https://www.jk-sci.com/products/s57c1921201 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441808.png?v=1791389537 1,2-Ethanedithiol, 97.40% | 540-63-6 1,2-Ethanedithiol|C1921201|540-63-6 https://www.jk-sci.com/products/s57c4x-252029 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e12343e4-6558-4edb-8120-b2f0497e3a79.png?v=1791368481 Pitolisant impurity 29, 97.00% Pitolisant impurity 29|C4X-252029 https://www.jk-sci.com/products/j5326304 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00a4d4f0815a093d99f52f7eb12e00f3.jpg?v=1791403278 Imidazo[1,2-a]pyridine-7-carboxylic acid, Purity by HPLC ≥ 95% | 648423-85-2 Imidazo[1,2-a]pyridine-7-carboxylic acid|26304|648423-85-2 https://www.jk-sci.com/products/s57c3d-3461 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200248_180d24e8-cd5e-4b52-a6c8-8322b174b852.png?v=1791388781 1-Amino-4-methylpiperazine, 95.40% | 6928-85-4 1-Amino-4-methylpiperazine|C3D-3461|6928-85-4 https://www.jk-sci.com/products/j5326334 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f89cac31730ad1024a29a0f12ab990b.jpg?v=1791403221 6-Hydroxy-1H-benzimidazole, Purity by HPLC ≥ 95% | 149471-91-0 6-Hydroxy-1H-benzimidazole|26334|149471-91-0 https://www.jk-sci.com/products/s57c3d-5766 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599339.png?v=1791388202 Butafosfan, 97.30% | 17316-67-5 Butafosfan|C3D-5766|17316-67-5 https://www.jk-sci.com/products/s57c4x-10123 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/516639.png?v=1791387656 Baclofen EP Impurity C, 99.90% | 35271-74-0 Baclofen EP Impurity C|C4X-10123|35271-74-0 https://www.jk-sci.com/products/s57c4x-106235 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d0af7d6e-3023-46ba-aa80-20be342c7839.png?v=1791386332 Edaravone impurity 35 (Mixture of Enantiomers), 91.20% Edaravone impurity 35 (Mixture of Enantiomers)|C4X-106235 https://www.jk-sci.com/products/s57c4x-1065105 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50739ddc1939476e9b7384a9a0f4a01e.jpg?v=1791386215 Empagliflozin Impurity 105, 98.90% | 915095-90-8 Empagliflozin Impurity 105|C4X-1065105|915095-90-8 https://www.jk-sci.com/products/s57c4x-252030 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ac86c5b-db9d-4e62-9782-61b9d43f5153.png?v=1791368476 Pitolisant impurity 30, 99.10% Pitolisant impurity 30|C4X-252030 https://www.jk-sci.com/products/j5326368 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6826757cf55dcf0e14d996fd17b5d6c6.jpg?v=1791403171 2-Fluoro-4-iodophenol, Assay ≥ 95% | 2713-28-2 2-Fluoro-4-iodophenol|26368|2713-28-2 https://www.jk-sci.com/products/j5326381 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10e22f24692b3e9c52a7c6c687ea16f2.jpg?v=1791403154 5-Bromo-2-cyano-3-methylpyridine, Purity by HPLC ≥ 99% | 156072-86-5 5-Bromo-2-cyano-3-methylpyridine|26381|156072-86-5 https://www.jk-sci.com/products/s57c4x-107460 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2a3814a-5018-4e85-8b05-48c500f222d0.png?v=1791385725 Moxifloxacin Impurity 60, 98.50% Moxifloxacin Impurity 60|C4X-107460 https://www.jk-sci.com/products/s57c4x-25206 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab13d63d-77af-4599-a1b2-0c995d03d5fd.png?v=1791368470 Pitolisant impurity 6, 94.50% Pitolisant impurity 6|C4X-25206 https://www.jk-sci.com/products/s57c4x-252039 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fd308619e35aaa286f92d823a0faea4.jpg?v=1791368471 Pitolisant impurity 39, 94.80% | 2858590-15-3 Pitolisant impurity 39|C4X-252039|2858590-15-3 https://www.jk-sci.com/products/s57c4x-25208 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0f097b68-c123-4bfa-b047-568b33f99d15.png?v=1791368465 Pitolisant impurity 8, 97.20% Pitolisant impurity 8|C4X-25208 https://www.jk-sci.com/products/s57c4x-1087101 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04a4bc314a2db6673d551251dd040bab.jpg?v=1791385153 Tadalafil Impurity 101, Purity: 95.4% | 20850-43-5 Tadalafil Impurity 101|C4X-1087101|20850-43-5 https://www.jk-sci.com/products/s57c1070805 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c3e263eb2e89e2384e8036f9d10a7eb.jpg?v=1791391431 Nintedanib Impurity N8, 99.20% | 1139458-48-2 Nintedanib Impurity N8|C1070805|1139458-48-2 https://www.jk-sci.com/products/s57c1204480 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536515_72d08686-a81c-4c12-a5c0-96c9d657dac1.png?v=1791391276 2-Chloro-4-methylpyrimidine, 98.60% | 13036-57-2 2-Chloro-4-methylpyrimidine|C1204480|13036-57-2 https://www.jk-sci.com/products/s57c4x-25321 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/802140.png?v=1791368460 Sorbitol Impurity 1, 99.30% | 25878-23-3 Sorbitol Impurity 1|C4X-25321|25878-23-3 https://www.jk-sci.com/products/s57c1284569 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386185_3da714ec-625f-4423-9f73-ce488dc0084e.png?v=1791391170 (2R,3R,4S,5R,6R)-2-(Acetoxymethyl)-6-isothiocyanatotetrahydro-2H-pyran-3,4,5-triyl triacetate, 98.50% | 14152-97-7 (2R,3R,4S,5R,6R)-2-(Acetoxymethyl)-6-isothiocyanatotetrahydro-2H-pyran-3,4,5-triyl triacetate|C1284569|14152-97-7 https://www.jk-sci.com/products/s57c4x-25281 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519391_ab302c10-c974-404a-9e30-bbdfd03ea3da.png?v=1791368461 Felbinac Impurity 1, 99.70% | 92-91-1 Felbinac Impurity 1|C4X-25281|92-91-1 https://www.jk-sci.com/products/s57c1310288 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6fc514cfaec0111a3115c1b51777d15.jpg?v=1791391117 Ropinirole EP Impurity C HCl, 82.10% | 145570-92-9 Ropinirole EP Impurity C HCl|C1310288|145570-92-9 https://www.jk-sci.com/products/s57c1618713 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adaa19b6247f970196741fc4593ec731_e0a3fa00-dcc4-4fb4-9a28-9d12dba0337c.jpg?v=1791390557 2-Bromo-N-phenylaniline, Purity: 100.0% | 61613-22-7 2-Bromo-N-phenylaniline|C1618713|61613-22-7 https://www.jk-sci.com/products/s57c4x-253612 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549655.png?v=1791368451 D-Asparagine, 93.50% | 2058-58-4 D-Asparagine|C4X-253612|2058-58-4 https://www.jk-sci.com/products/s57c4x-253610 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f65943265eb364b2301e1866d905f0cd_010e007b-fff2-4fbf-b143-58e1047d9a2d.jpg?v=1791368455 (S)-2-((S)-3-Amino-3-carboxypropanamido)succinic acid, 96.80% | 60079-22-3 (S)-2-((S)-3-Amino-3-carboxypropanamido)succinic acid|C4X-253610|60079-22-3 https://www.jk-sci.com/products/s57c4x-25362 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_341d5ac8-271a-4e2f-9f94-c239498088e0.png?v=1791368445 L-Ornithine L-Aspartate Impurity 2 3TFA, 87.70% L-Ornithine L-Aspartate Impurity 2 3TFA|C4X-25362 https://www.jk-sci.com/products/s57c1797104 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2f3f556a2bc57b4fdc744470d806281.jpg?v=1791390174 Ceftaroline Fosamil Acetate, 92.70% | 400827-46-5 Ceftaroline Fosamil Acetate|C1797104|400827-46-5 https://www.jk-sci.com/products/s57c1910919 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4b04fd5006e0ee8e679bc218513c84a.jpg?v=1791389683 Tucatinib, 96.60% | 937263-43-9 Tucatinib|C1910919|937263-43-9 https://www.jk-sci.com/products/s57c1913887 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/691f3ab5d850adf6c899a29236fdfcb2.jpg?v=1791389652 Hexacosanoyl camitine-d3 HCl, Purity>95% | 2260670-67-3 Hexacosanoyl camitine-d3 HCl|C1913887|2260670-67-3 https://www.jk-sci.com/products/s57c1914517 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350577.png?v=1791389642 Benzyl 2-aminoacetate Hydrochloride, 95.50% | 2462-31-9 Benzyl 2-aminoacetate Hydrochloride|C1914517|2462-31-9 https://www.jk-sci.com/products/s57c1930012 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa4947dc7ba85d13f131a020b3fec09d.jpg?v=1791389423 N1-Nitroso Propitocaine, 99.20% | 211490-46-9 N1-Nitroso Propitocaine|C1930012|211490-46-9 https://www.jk-sci.com/products/j5326405 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9307ce119dfabefa15dcef82168f6647.jpg?v=1791403127 2-Bromo-6-methylpyridin-4-amine, Purity by HPLC ≥ 95% | 79055-59-7 2-Bromo-6-methylpyridin-4-amine|26405|79055-59-7 https://www.jk-sci.com/products/s57c4x-25363 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bf73e505510e44d7e03a9648d8401e8.jpg?v=1791368441 L-Ornithine L-Aspartate Impurity 3, Purity: 100.0% | 7327-72-2 L-Ornithine L-Aspartate Impurity 3|C4X-25363|7327-72-2 https://www.jk-sci.com/products/s57c3d-2207 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288719.png?v=1791389326 Butyl p-toluenesulfonate, 98.90% | 778-28-9 Butyl p-toluenesulfonate|C3D-2207|778-28-9 https://www.jk-sci.com/products/s57c3d-2443 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/158a96561fce5e8dc0fa313fa2c1ab5f.jpg?v=1791389286 Methyl Tropate, 94.00% | 3967-53-1 Methyl Tropate|C3D-2443|3967-53-1 https://www.jk-sci.com/products/s57c3d-262197 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aecadbb7-c2f1-49f7-bcc4-74effc040e26.png?v=1791389067 2-Keto-D-galactose, Purity: 98.1% 2-Keto-D-galactose|C3D-262197 https://www.jk-sci.com/products/s57c3d-262261 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac82c196ab78934e22eea91732a0f9e9.jpg?v=1791389056 (R)-2-(4-(5-chloropyrimidin-2-yl)piperidin-1-yl)-4-((1-(hydroxymethyl)cyclobutyl)amino)-6,7-dihydrothieno[3,2-d]pyrimidine 5-oxide, Purity: 100.0% | 1423719-30-5 (R)-2-(4-(5-chloropyrimidin-2-yl)piperidin-1-yl)-4-((1-(hydroxymethyl)cyclobutyl)amino)-6,7-dihydrothieno[3,2-d]pyrimidine 5-oxide|C3D-262261|1423719-30-5 https://www.jk-sci.com/products/s57c4x-25367 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97f71a4ddcbd3c06a84980265924294e.jpg?v=1791368436 L-Ornithine L-Aspartate Impurity 7, 68.70% | 886996-37-8 L-Ornithine L-Aspartate Impurity 7|C4X-25367|886996-37-8 https://www.jk-sci.com/products/s57c4x-25369 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e496f8c520eea37dcf5e00ed8b8980c8.jpg?v=1791368432 L-Ornithine L-Aspartate Impurity 8, 81.20% | 14169-16-5 L-Ornithine L-Aspartate Impurity 8|C4X-25369|14169-16-5 https://www.jk-sci.com/products/s57c3d-3388 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813417.png?v=1791388810 Elacridar, Purity: 99.2% | 143664-11-3 Elacridar|C3D-3388|143664-11-3 https://www.jk-sci.com/products/s57c3d-5856 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0af1b2ea3bb4c21c6eadb984ec1200f3.jpg?v=1791388157 4-Hydroxybenzenesulfonic Acid Sodium Salt, 95.20% | 825-90-1 4-Hydroxybenzenesulfonic Acid Sodium Salt|C3D-5856|825-90-1 https://www.jk-sci.com/products/s57c4x-25374 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60749224435170d1ea2a0e841591fade.jpg?v=1791368430 Glycyrrhizic Acid Impurity 4, 87.30% | 83896-44-0 Glycyrrhizic Acid Impurity 4|C4X-25374|83896-44-0 https://www.jk-sci.com/products/s57c4x-10027 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dd9dc5f297100e3b92fa2ec196d35e9.jpg?v=1791387935 Clarithromycin EP Impurity O, 98.60% | 127252-80-6 Clarithromycin EP Impurity O|C4X-10027|127252-80-6 https://www.jk-sci.com/products/s57c4x-25511 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5472e72e56121ffa8b023c55cb8d2226_38bcc7c6-895f-40f3-af72-1c977a1e696a.jpg?v=1791368427 D-glucono-1,4-lactone, 93.00% | 1198-69-2 D-glucono-1,4-lactone|C4X-25511|1198-69-2 https://www.jk-sci.com/products/s57c4x-101710 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618230.png?v=1791387592 Desulfovardenafil, 99.30% | 224789-21-3 Desulfovardenafil|C4X-101710|224789-21-3 https://www.jk-sci.com/products/s57c4x-25531 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250293.png?v=1791368416 2,3-Dichloro-1-propanol, 93.00% | 616-23-9 2,3-Dichloro-1-propanol|C4X-25531|616-23-9 https://www.jk-sci.com/products/s57c4x-10187 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432f0ac1f96dff47cdf2c8810b53741c.jpg?v=1791387531 Choline fenofibrate EP Impurity G, 95.60% | 217636-48-1 Choline fenofibrate EP Impurity G|C4X-10187|217636-48-1 https://www.jk-sci.com/products/s57c4x-25711 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9457be404586085797190c0b057affcf_853b9cdd-8caf-42d8-9fe9-c693f078a82c.jpg?v=1791368390 6-Aminocaproic Acid Dimer, 98.60% | 2014-58-6 6-Aminocaproic Acid Dimer|C4X-25711|2014-58-6 https://www.jk-sci.com/products/j5326442 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4097448fa0b05f676d9f882834f74ebf.jpg?v=1791403081 (S)-N-Fmoc-N,N'-bis-Boc-2-amino-3-guanidino propionic acid, Assay by titration ≥ 89% || Purity by HPLC ≥ 97% | 313232-63-2 (S)-N-Fmoc-N,N'-bis-Boc-2-amino-3-guanidino propionic acid|26442|313232-63-2 https://www.jk-sci.com/products/j5326485 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bae05a52b5c993709e8d8fa89beee731.jpg?v=1791403013 Lithium acetate, Purity ≥ 98% | 546-89-4 Lithium acetate|26485|546-89-4 https://www.jk-sci.com/products/s57c4x-25571 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206900_f6eae5d7-b9cf-48aa-82b7-1817dfde8ba7.png?v=1791368406 Tropine, 96.00% | 120-29-6 Tropine|C4X-25571|120-29-6 https://www.jk-sci.com/products/s57c4x-25535 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159278_ceb170ba-9e73-468f-b099-583d9ce2ce63.png?v=1791368414 2-Methylimidazole, 99.60% | 693-98-1 2-Methylimidazole|C4X-25535|693-98-1 https://www.jk-sci.com/products/s57c4x-25641 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519572.png?v=1791368395 5-Chlorosalicylic Acid, 97.90% | 321-14-2 5-Chlorosalicylic Acid|C4X-25641|321-14-2 https://www.jk-sci.com/products/s57c4x-25794 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/561380_afc17b57-815b-4ba2-9ad1-b53f7ecd7f21.png?v=1791368385 3-Aminobenzyl Alcohol, 98.10% | 1877-77-6 3-Aminobenzyl Alcohol|C4X-25794|1877-77-6 https://www.jk-sci.com/products/s57c4x-258310 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c8b6244-8dfa-46b8-83bd-a0f586da4b56.png?v=1791368379 Phenylbutyrate Impurity 10, Purity: 99.8% Phenylbutyrate Impurity 10|C4X-258310 https://www.jk-sci.com/products/s57c4x-1020103 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9b8b2199-6b4a-44d9-b53f-e740f2acd855.png?v=1791387498 Vonoprazan Impurity 103, 91.50% Vonoprazan Impurity 103|C4X-1020103 https://www.jk-sci.com/products/s57c4x-10642 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29049249bb0a896c5de86394d04cf4c0.jpg?v=1791386243 Ibrutinib Impurity 2, 95.60% | 1839099-22-7 Ibrutinib Impurity 2|C4X-10642|1839099-22-7 https://www.jk-sci.com/products/s57c4x-25741 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/beded36a08977a7a3b4ee47bb1697531.jpg?v=1791368390 Hydrazine Sulfate Salt, 95.00% | 10034-93-2 Hydrazine Sulfate Salt|C4X-25741|10034-93-2 https://www.jk-sci.com/products/s57c4x-25624 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ff59f6c683ced565f8cbf951539d824.jpg?v=1791368399 4-[3-(Ethoxycarbonyl)-5-Oxo-4,5-Dihydro-1h-Pyrazol-1-Yl]Benzenesulfonic Acid, 91.70% | 6402-06-8 4-[3-(Ethoxycarbonyl)-5-Oxo-4,5-Dihydro-1h-Pyrazol-1-Yl]Benzenesulfonic Acid|C4X-25624|6402-06-8 https://www.jk-sci.com/products/s57c4x-108230 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7025fc0c8a992a9251e9be670ed94f3.jpg?v=1791385395 Ibuprofen Impurity 30, 99.10% | 41283-72-1 Ibuprofen Impurity 30|C4X-108230|41283-72-1 https://www.jk-sci.com/products/s57c4x-258320 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f58eb65e221060763451d4e0e0981fb.jpg?v=1791368369 Sodium 1-Hydroxy-2-phenylethane-1-sulfonate, 93.20% | 6950-57-8 Sodium 1-Hydroxy-2-phenylethane-1-sulfonate|C4X-258320|6950-57-8 https://www.jk-sci.com/products/s57c4x-25622 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0eff8c903742ffe7b71c41b29717835d.jpg?v=1791368401 Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate, 91.30% | 20514-27-6 Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate|C4X-25622|20514-27-6 https://www.jk-sci.com/products/s57c4x-25521 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a539ba623c499f517ac7bf109d8e3512.jpg?v=1791368421 Sulfadiazine EP Impurity E, Purity: 99.4% | 127-74-2 Sulfadiazine EP Impurity E|C4X-25521|127-74-2 https://www.jk-sci.com/products/s57c4x-25551 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600886.png?v=1791368409 Methyl 4-bromo-7-methoxybenzo[d][1,3]dioxole-5-carboxylate, 84.10% | 81474-46-6 Methyl 4-bromo-7-methoxybenzo[d][1,3]dioxole-5-carboxylate|C4X-25551|81474-46-6 https://www.jk-sci.com/products/j5326515 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95b01d26dc53f6e03f242e67182d083f.jpg?v=1791402973 N-(2-Aminoethyl)-4-Piperidinol, Purity ≥ 95% (NMR) | 129999-60-6 N-(2-Aminoethyl)-4-Piperidinol|26515|129999-60-6 https://www.jk-sci.com/products/s57c4x-108276 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596857_6e79779f-cb1c-4276-9e1c-d5657edc67d6.png?v=1791385371 Ibuprofen Methyl Ester, 99.10% | 61566-34-5 Ibuprofen Methyl Ester|C4X-108276|61566-34-5 https://www.jk-sci.com/products/s57c4x-258317 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_84789a09-2887-40d5-bc78-6138c6d862c0.png?v=1791368374 Phenylbutyrate Impurity 17, Purity: 96.5% Phenylbutyrate Impurity 17|C4X-258317 https://www.jk-sci.com/products/j5326463 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1232a7d78bf9703c4888eb2a5e6f6269.jpg?v=1791403046 Trt-cysteamine hydrochloride, Purity by HPLC ≥ 99% | 15297-43-5 Trt-cysteamine hydrochloride|26463|15297-43-5 https://www.jk-sci.com/products/s57c4x-10885 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72471950dd92e37f31ecedc0c5281bf0.jpg?v=1791385035 Apixaban Impurity 5, 98.40% | 2029205-64-7 Apixaban Impurity 5|C4X-10885|2029205-64-7 https://www.jk-sci.com/products/s57c1124400 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62caa82c42320909446921c57575e0b4.jpg?v=1791391353 C26:0lysophosphatidvlcholine, Purity>95% | 1213783-80-2 C26:0lysophosphatidvlcholine|C1124400|1213783-80-2 https://www.jk-sci.com/products/s57c1256071 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/529cb66379db32b8267b0db5aa43baa0.jpg?v=1791391216 Dermaseptin | 136212-91-4 Dermaseptin|C1256071|136212-91-4 https://www.jk-sci.com/products/s57c1352051 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af1c02bb87100071489ef035651b8240.jpg?v=1791391029 Sodium Cromoglicate Impurity C51, 99.10% | 16130-17-9 Sodium Cromoglicate Impurity C51|C1352051|16130-17-9 https://www.jk-sci.com/products/j5326550 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ffa06332401946de2b002de7aa47be4.jpg?v=1791402913 2,4,5-Trimethyl-1H-pyrrole-3-carbaldehyde, Purity ≥ 95% (NMR) | 288089-52-1 2,4,5-Trimethyl-1H-pyrrole-3-carbaldehyde|26550|288089-52-1 https://www.jk-sci.com/products/j5326706 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/004fa0f8659da0f61598c1136fb07c44.jpg?v=1791402659 [4-Methoxy-2-(1H-pyrazol-1-yl)phenyl]boronic acid, Purity ≥ 95% (NMR) | 1287753-34-7 [4-Methoxy-2-(1H-pyrazol-1-yl)phenyl]boronic acid|26706|1287753-34-7 https://www.jk-sci.com/products/s57c1622261 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409700_84921819-5282-4724-a9aa-ed9d9509e635.png?v=1791390542 2-Chloro-5-methylbenzoic Acid, 99.30% | 6342-60-5 2-Chloro-5-methylbenzoic Acid|C1622261|6342-60-5 https://www.jk-sci.com/products/j5326523 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88bd7baa0700667cf0e4ccc8610d9064.jpg?v=1791402962 1-Allyl-1H-pyrazole-4-carbaldehyde, Purity ≥ 95% (NMR) | 78758-36-8 1-Allyl-1H-pyrazole-4-carbaldehyde|26523|78758-36-8 https://www.jk-sci.com/products/s57c1775320 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419155_cc7c03b4-7fe5-468e-bce1-9794aebc0534.png?v=1791390284 6-Methyloctanoic acid, 95.70% | 504-99-4 6-Methyloctanoic acid|C1775320|504-99-4 https://www.jk-sci.com/products/j5326678 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/915c5102b6bea4e19e4dbaba6f072d23.jpg?v=1791402708 5-(Diethylamino)-2-furaldehyde, Purity ≥ 95% (NMR) | 22868-59-3 5-(Diethylamino)-2-furaldehyde|26678|22868-59-3 https://www.jk-sci.com/products/j5326588 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee3b4f653bc3a9d62cd2875fc3469fc1.jpg?v=1791402844 2-Sec-Butoxybenzaldehyde, Purity ≥ 95% (NMR) | 22921-59-1 2-Sec-Butoxybenzaldehyde|26588|22921-59-1 https://www.jk-sci.com/products/j5326696 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2b7e6124212f7a18c92d11e2edf0923.jpg?v=1791402673 [4-(1-Pyrrolidin-1-ylethyl)phenyl]boronic acid, Purity ≥ 95% (NMR) | 868395-81-7 [4-(1-Pyrrolidin-1-ylethyl)phenyl]boronic acid|26696|868395-81-7 https://www.jk-sci.com/products/j5326651 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2f3ccb496f695f5547299fbeb1023f3.jpg?v=1791402748 1-Isopropyl-1H-pyrrole-3-carbaldehyde, Purity 95 - 100% (GCMS) | 30186-45-9 1-Isopropyl-1H-pyrrole-3-carbaldehyde|26651|30186-45-9 https://www.jk-sci.com/products/j5326639 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d296bd9fcb81898a23addd74cef88e4.jpg?v=1791402764 2-Isopropyl-4-pyrimidinecarbaldehyde, Assay ≥ 98% | 944901-13-7 2-Isopropyl-4-pyrimidinecarbaldehyde|26639|944901-13-7 https://www.jk-sci.com/products/s57c4x-25851 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7078346951b8a20fd5e3ad2137160a4b.jpg?v=1791368369 Toceranib phosphate, 96.20% | 874819-74-6 Toceranib phosphate|C4X-25851|874819-74-6 https://www.jk-sci.com/products/j5326719 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549b980e85524fae8433e764b9be25f9.jpg?v=1791402644 1-[1-(phenoxymethyl)cyclopropyl]methanamine, Purity ≥ 95% (LCMS) | 959240-02-9 1-[1-(phenoxymethyl)cyclopropyl]methanamine|26719|959240-02-9 https://www.jk-sci.com/products/s57c1848894 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e77f2f631db9aa35e88093757d0e82.jpg?v=1791389903 Mirabegron Impurity N1, 99.20% | 521284-21-9 Mirabegron Impurity N1|C1848894|521284-21-9 https://www.jk-sci.com/products/s57c1896960 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dc63f8d5256019ae17004719d2d9222.jpg?v=1791389731 rel-(3aR,4R,7S,7aS)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione, 99.50% | 6319-06-8 rel-(3aR,4R,7S,7aS)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione|C1896960|6319-06-8 https://www.jk-sci.com/products/s57c1922870 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243843_35b38cfa-b96e-4499-8c5f-48f047a4341b.png?v=1791389506 4-Methylphenylacetic acid, 99.90% | 622-47-9 4-Methylphenylacetic acid|C1922870|622-47-9 https://www.jk-sci.com/products/s57c3d-26079 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc071827a22d064bce751fad70b0c2a2_d723d073-c4a7-4282-864d-cdd12772192e.jpg?v=1791389107 3-Fluoro-4-nitrobenzoic acid, 98.80% | 403-21-4 3-Fluoro-4-nitrobenzoic acid|C3D-26079|403-21-4 https://www.jk-sci.com/products/j5326724 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9173314af0ff6bf83db256b3c1301b9.jpg?v=1791402639 Manganese(III) acetylacetonate, Assay ≥ 99% | 14284-89-0 Manganese(III) acetylacetonate|26724|14284-89-0 https://www.jk-sci.com/products/s57c3d-262319 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4e28922d-def7-4737-9ba7-8eca51385b74.png?v=1791389041 Arginylarginine DITFA, Purity: 98.3% Arginylarginine DITFA|C3D-262319 https://www.jk-sci.com/products/j5326728 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a469bc2ca174c49e0c548c5abe485dfe.jpg?v=1791402635 Ruthenium(III) acetylacetonate, Assay ≥ 99% (≥ 25.2% Ruthenium content) | 14284-93-6 Ruthenium(III) acetylacetonate|26728|14284-93-6 https://www.jk-sci.com/products/s57c3d-3228 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393137_f8f6a8af-146a-4c09-bd36-9bac7be78459.png?v=1791388859 (S)-Naringenin, 98.60% | 480-41-1 (S)-Naringenin|C3D-3228|480-41-1 https://www.jk-sci.com/products/s57c3d-3624 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301955.png?v=1791388739 Tolbutamide, 99.40% | 64-77-7 Tolbutamide|C3D-3624|64-77-7 https://www.jk-sci.com/products/s57c3d-5782 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9600bcb-2bbc-45a0-85fa-b2565e47565d.png?v=1791388183 α-Ketoglutaric acid Dimer Impurity, 93.40% α-Ketoglutaric acid Dimer Impurity|C3D-5782 https://www.jk-sci.com/products/s57c4x-102412 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796449_e8c0a12e-9b0a-476c-acc0-dcfdabddd1af.png?v=1791387319 Capecitabine Impurity 12, 99.30% | 62211-93-2 Capecitabine Impurity 12|C4X-102412|62211-93-2 https://www.jk-sci.com/products/j5326738 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8beaa19908bce79d71fb84c06ee0c4f7.jpg?v=1791402618 (1,2-Dibromoethyl)benzene, Purity by HPLC ≥ 98% | 93-52-7 (1,2-Dibromoethyl)benzene|26738|93-52-7 https://www.jk-sci.com/products/s57c4x-1065185 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_92d10d8a-a2af-48df-83d9-b14f3fdc3eb4.png?v=1791386160 Empagliflozin impurity 185, Purity: 99.5% Empagliflozin impurity 185|C4X-1065185 https://www.jk-sci.com/products/j5326743 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf423dba0ab86d26b908b72392358643.jpg?v=1791402611 5-Bromovaleric acid methyl ester, Assay ≥ 99% | 5454-83-1 5-Bromovaleric acid methyl ester|26743|5454-83-1 https://www.jk-sci.com/products/s57c4x-110912 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cf3d4813-7078-4f3e-8634-29c1400188ec.png?v=1791384203 Citalopram Impurity 12, 97.10% Citalopram Impurity 12|C4X-110912 https://www.jk-sci.com/products/j5326752 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3cbd7e5fb97021f90185e7c41efab41.jpg?v=1791402598 2'-Chloroacetophenone, Purity by GC ≥ 99% | 2142-68-9 2'-Chloroacetophenone|26752|2142-68-9 https://www.jk-sci.com/products/s57c4x-113173 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82014f3db9597bd1435b146d7fac7a28.jpg?v=1791383401 Brexpiprazole Impurity 73, 94.10% | 2138169-93-2 Brexpiprazole Impurity 73|C4X-113173|2138169-93-2 https://www.jk-sci.com/products/s57c4x-11382 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/995d27944dac5326d4522063b11daa69.jpg?v=1791383148 Dapagliflozin Impurity 2, 96.90% | 2271248-78-1 Dapagliflozin Impurity 2|C4X-11382|2271248-78-1 https://www.jk-sci.com/products/s57c4x-142511 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c301cf6a74a178ed783fa1ec5c0e720.jpg?v=1791378476 Amiodarone EP Impurity A HCl, Purity: 99.6% | 95820-13-6 Amiodarone EP Impurity A HCl|C4X-142511|95820-13-6 https://www.jk-sci.com/products/s57c1288269 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466411.png?v=1791391165 Piperazine Hydrate, Purity: 100.0% | 142-63-2 Piperazine Hydrate|C1288269|142-63-2 https://www.jk-sci.com/products/s57c1314305 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba0a31b8e76151a393238a28648a53dd.jpg?v=1791391102 Dapagliflozin Furanose Isomer, 95.30% | 1469910-70-0 Dapagliflozin Furanose Isomer|C1314305|1469910-70-0 https://www.jk-sci.com/products/j5326762 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367ec9b4c692a7a3986e99accc99748d.jpg?v=1791402588 2,4-Dichloro-a-chloroacetophenone, Purity by GC ≥ 99% | 4252-78-2 2,4-Dichloro-a-chloroacetophenone|26762|4252-78-2 https://www.jk-sci.com/products/s57c1359283 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622798.png?v=1791391012 2-Bromo-4-nitrobenzoic Acid, 99.90% | 16426-64-5 2-Bromo-4-nitrobenzoic Acid|C1359283|16426-64-5 https://www.jk-sci.com/products/j5326768 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b39c92fe4090b9fe46337089398deca.jpg?v=1791402576 1-Iodo-2-methoxybenzene, Purity by GC ≥ 98% | 529-28-2 1-Iodo-2-methoxybenzene|26768|529-28-2 https://www.jk-sci.com/products/s57c1359297 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f15b2b44e92b3abc2a79e225693a79e.jpg?v=1791391011 2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic acid, Purity: 99.4% | 164265-78-5 2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic acid|C1359297|164265-78-5 https://www.jk-sci.com/products/s57c1524258 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76256895bfb115a87e76cfbbbebec83d.jpg?v=1791390763 Prilocaine Impurity N2, 98.60% | 3098-67-7 Prilocaine Impurity N2|C1524258|3098-67-7 https://www.jk-sci.com/products/s57c1662050 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361fb59d90baa61c1334fb9e7427faa9.jpg?v=1791390477 3,5-Dichloro-N-methylpyridin-4-amine, 97.40% | 211571-89-0 3,5-Dichloro-N-methylpyridin-4-amine|C1662050|211571-89-0 https://www.jk-sci.com/products/s57c1672125 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa249cb8d345f1c8b7a7bc171777de0.jpg?v=1791390463 3-Bromo-6-chloropyrazine-2-carbonitrile, Purity: 99.6% | 2180081-37-0 3-Bromo-6-chloropyrazine-2-carbonitrile|C1672125|2180081-37-0 https://www.jk-sci.com/products/s57c1740349 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1856802a4381768e5be8cdd121b9240d.jpg?v=1791390341 5-(Methoxycarbonyl)furan-2-carboxylic Acid, 97.70% | 6750-85-2 5-(Methoxycarbonyl)furan-2-carboxylic Acid|C1740349|6750-85-2 https://www.jk-sci.com/products/s57c1795328 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442065_d6fd5605-f6a6-40ac-9667-cd2833e266fe.png?v=1791390208 Boc-Leu-Met-OMe | 2280-69-5 Boc-Leu-Met-OMe|C1795328|2280-69-5 https://www.jk-sci.com/products/s57c1824244 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cdb63bde0fdfe565c07952972cc2304.jpg?v=1791390037 Fmoc-D-Hyp(tBu)-OH | 464193-92-8 Fmoc-D-Hyp(tBu)-OH|C1824244|464193-92-8 https://www.jk-sci.com/products/s57c1828170 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff20876ada5b3ab6df259963dd040c6a.jpg?v=1791389985 L-Pyroglutamic acid isopropyl ester, 98.90% | 52989-50-1 L-Pyroglutamic acid isopropyl ester|C1828170|52989-50-1 https://www.jk-sci.com/products/s57c1887138 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ae9bc54ce0e9e8ab1220d23fa35e74f.jpg?v=1791389820 Palmitoyl-DL-carnitine chloride, Purity>95% | 6865-14-1 Palmitoyl-DL-carnitine chloride|C1887138|6865-14-1 https://www.jk-sci.com/products/s57c3d-25795 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c11e7cf09965db7b07fa1edf8a58cec6.jpg?v=1791389267 3,3'-Bi-1,2-benzisothiazole, 99.10% | 1195571-46-0 3,3'-Bi-1,2-benzisothiazole|C3D-25795|1195571-46-0 https://www.jk-sci.com/products/s57c3d-3902 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/139530_8c7a41f7-621e-42bc-9c39-9301ceb1e866.png?v=1791388670 5-Chloroisatin, 97.70% | 17630-76-1 5-Chloroisatin|C3D-3902|17630-76-1 https://www.jk-sci.com/products/s57c3d-5510 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/599509.png?v=1791388296 (S)-(+)-2-Chloropropan-1-ol, 96.40% | 19210-21-0 (S)-(+)-2-Chloropropan-1-ol|C3D-5510|19210-21-0 https://www.jk-sci.com/products/s57c3d-5513 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348030_8ee7753b-89e4-40f7-a5dc-a417a2e4fa90.png?v=1791388290 EUK-134, 98.10% | 81065-76-1 EUK-134|C3D-5513|81065-76-1 https://www.jk-sci.com/products/s57c4x-100218 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d63d01495ee66b0f1f7f871a37de831e.jpg?v=1791387954 Clarithromycin EP Impurity B, Purity: 99.4% | 299409-85-1 Clarithromycin EP Impurity B|C4X-100218|299409-85-1 https://www.jk-sci.com/products/s57c4x-100834 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316585.png?v=1791387804 Aripiprazole Impurity 34, 96.20% | 39512-50-0 Aripiprazole Impurity 34|C4X-100834|39512-50-0 https://www.jk-sci.com/products/s57c4x-100872 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63fe5ff2-2047-4b9f-bac5-ff0c7e5dcb68.png?v=1791387785 Aripiprazole Impurity 72, 99.30% Aripiprazole Impurity 72|C4X-100872 https://www.jk-sci.com/products/s57c4x-1009112 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20e6bedff5cd74c0035e9cbd651507c1.jpg?v=1791387761 Apremilast Impurity 112, 94.80% | 247569-89-7 Apremilast Impurity 112|C4X-1009112|247569-89-7 https://www.jk-sci.com/products/s57c4x-100969 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0b36c517-4eb9-4db5-8ead-bc14e69cb5d0.png?v=1791387720 Apremilast Impurity 69, Purity: 94.2% Apremilast Impurity 69|C4X-100969 https://www.jk-sci.com/products/s57c4x-105817 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406181_82a7ae78-6e66-4100-a3d3-35f4c89be0f2.png?v=1791386431 Memantine Related Compound B, 98.40% | 707-37-9 Memantine Related Compound B|C4X-105817|707-37-9 https://www.jk-sci.com/products/s57c4x-107139 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4b0a13cc798bf15b30a4e1cdb845c4b.jpg?v=1791385916 Axitinib Impurity 39, 96.50% | 31913-93-6 Axitinib Impurity 39|C4X-107139|31913-93-6 https://www.jk-sci.com/products/s57c4x-108252 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222585a007818fa753f58db26fd6f1d7.jpg?v=1791385389 Ibuprofen Impurity 52, 98.00% | 67381-50-4 Ibuprofen Impurity 52|C4X-108252|67381-50-4 https://www.jk-sci.com/products/j5326773 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9d57c0df9815e37416c9e86577f5d42.jpg?v=1791402568 2-Cyclopentyl-2-phenylacetic acid, Assay by titration ≥ 98% | 3900-93-4 2-Cyclopentyl-2-phenylacetic acid|26773|3900-93-4 https://www.jk-sci.com/products/s57c4x-108724 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6f038d5675bdefd2cd6e61b84f13448.jpg?v=1791385116 Tadalafil Impurity 24, Purity: 99.4% | 951661-81-7 Tadalafil Impurity 24|C4X-108724|951661-81-7 https://www.jk-sci.com/products/s57c4x-124244 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70269e518a3eca92867b89ed0ce506b6.jpg?v=1791381142 (2α,3α,5α,16β)-2,3-Epoxy-16-(1-pyrrolidinyl)androstan-17-one, 99.40% | 159325-45-8 (2α,3α,5α,16β)-2,3-Epoxy-16-(1-pyrrolidinyl)androstan-17-one|C4X-124244|159325-45-8 https://www.jk-sci.com/products/s57c4x-133835 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410065197850cc8b3d301a0797eb4ee7.jpg?v=1791380102 Terbinafine lmpurity 35, 92.80% | 138139-82-9 Terbinafine lmpurity 35|C4X-133835|138139-82-9 https://www.jk-sci.com/products/s57c1041324 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3913759287d145f70ccee2a73e12a3b.jpg?v=1791391500 Brexpiprazole Impurity 113, Purity: 99.4% | 105685-06-1 Brexpiprazole Impurity 113|C1041324|105685-06-1 https://www.jk-sci.com/products/s57c1192354 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222500_94842c80-6aae-420f-9a7d-467b9f6b0e36.png?v=1791391292 Potassium Acetate, 98.70% | 127-08-2 Potassium Acetate|C1192354|127-08-2 https://www.jk-sci.com/products/j5326776 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad0c1086d1e907976853baec70c5be4d.jpg?v=1791402565 1,1'-Ferrocenedicarboxylic acid, Purity by HPLC ≥ 99% | 1293-87-4 1,1'-Ferrocenedicarboxylic acid|26776|1293-87-4 https://www.jk-sci.com/products/s57c1237920 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62bc0439e4c0574d6f264609576a354c.jpg?v=1791391226 3,6-DibroMopyrazine-2-carbonitrile, Purity: 98.6% | 1351238-11-3 3,6-DibroMopyrazine-2-carbonitrile|C1237920|1351238-11-3 https://www.jk-sci.com/products/s57c4x-25951 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8df30f3fa1020c7d473c9f9150cd8ad8.jpg?v=1791368364 (S)-4-chlorobutane-1,3-diol, Purity: 100.0% | 139013-68-6 (S)-4-chlorobutane-1,3-diol|C4X-25951|139013-68-6 https://www.jk-sci.com/products/j5326789 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e23a4b25c4d7f4825f8811c04e102a40.jpg?v=1791402545 1-Cyano-4-(dimethylamino)benzene, Purity by GC ≥ 97% | 1197-19-9 1-Cyano-4-(dimethylamino)benzene|26789|1197-19-9 https://www.jk-sci.com/products/s57c4x-25981 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc831ba3a4d229fc280d907996cf11a7.jpg?v=1791368359 2-hydroxy-1,4-benzoquinone, 97.80% | 2474-72-8 2-hydroxy-1,4-benzoquinone|C4X-25981|2474-72-8 https://www.jk-sci.com/products/s57c4x-26034 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f7ca10bafa41a887af75fb25f187ba0.jpg?v=1791368357 Etofenamate, Purity: 99.9% | 30544-47-9 Etofenamate|C4X-26034|30544-47-9 https://www.jk-sci.com/products/s57c4x-260610 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d535c131-4359-435f-88b3-68df9d1ccb0a.png?v=1791368353 Pretomanid Impurity 10, 99.40% Pretomanid Impurity 10|C4X-260610 https://www.jk-sci.com/products/s57c1305444 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e96a4dcca3e4a5a77187fff07cfdbe8b.jpg?v=1791391135 Methyl 2-(2-chlorophenyl)-2-(4,5-dihydrothieno[2,3-c]pyridin-6(7H)-yl)acetate hydrochloride, 92.90% | 144457-43-2 Methyl 2-(2-chlorophenyl)-2-(4,5-dihydrothieno[2,3-c]pyridin-6(7H)-yl)acetate hydrochloride|C1305444|144457-43-2 https://www.jk-sci.com/products/s57c4x-26066 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_416a741d-f905-4f2a-b0da-d9d98eddaa3b.png?v=1791368348 Pretomanid Impurity 6, 96.80% Pretomanid Impurity 6|C4X-26066 https://www.jk-sci.com/products/s57c1479914 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea9f15957bb5f72072e2410ffd20e496.jpg?v=1791390843 (4-Isopropyl-3,5-dimethoxyphenyl)methanol, 97.50% | 344396-18-5 (4-Isopropyl-3,5-dimethoxyphenyl)methanol|C1479914|344396-18-5 https://www.jk-sci.com/products/s57c1610254 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fc1811e1a5b15d5ec975b5e22ee5223.jpg?v=1791390577 2-Amino-2-(pyridin-3-yl)acetamide, 92.50% | 736091-66-0 2-Amino-2-(pyridin-3-yl)acetamide|C1610254|736091-66-0 https://www.jk-sci.com/products/j5326794 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35e3dce4557d6523ff845024b8e5cb17.jpg?v=1791402536 3,4,5-trimethoxybenzyl cyanide, Purity by GC ≥ 99% | 13338-63-1 3,4,5-trimethoxybenzyl cyanide|26794|13338-63-1 https://www.jk-sci.com/products/s57c1753136 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84e53273880a2c3121bd1695c5821943.jpg?v=1791390315 Metoclopramide impurity 01, 99.70% | 82689-92-7 Metoclopramide impurity 01|C1753136|82689-92-7 https://www.jk-sci.com/products/j5326807 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34e412401114639f10d5ccd3a0648f26.jpg?v=1791402521 2,3,6-Trimethylphenol, Purity by GC ≥ 99% | 2416-94-6 2,3,6-Trimethylphenol|26807|2416-94-6 https://www.jk-sci.com/products/s57c1823530 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/384598.png?v=1791390048 Famprofazone, 97.20% | 22881-35-2 Famprofazone|C1823530|22881-35-2 https://www.jk-sci.com/products/s57c1919114 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80e8574e76dfa705553752290413aaf9.jpg?v=1791389594 2-Oxopiperidine-3-carboxylic acid, 99.00% | 41888-21-5 2-Oxopiperidine-3-carboxylic acid|C1919114|41888-21-5 https://www.jk-sci.com/products/s57c4x-2607 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549210.png?v=1791368344 Propantheline Bromide, 95.50% | 50-34-0 Propantheline Bromide|C4X-2607|50-34-0 https://www.jk-sci.com/products/j5326809 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6db5b2c52223f60ab5268fc8c9ca427d.jpg?v=1791402517 2-Ethylphenol, Purity by GC ≥ 99% | 90-00-6 2-Ethylphenol|26809|90-00-6 https://www.jk-sci.com/products/j5326823 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5f7e124b2e2e7e898563363bce00995.jpg?v=1791402501 5-Bromo-2,4-dihydroxybenzoic acid, Assay ≥ 98% | 7355-22-8 5-Bromo-2,4-dihydroxybenzoic acid|26823|7355-22-8 https://www.jk-sci.com/products/s57c3d-1974 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416810_ce1d53c0-6fd2-4d7f-88bb-6558211012bc.png?v=1791389366 Citicoline Sodium Salt, Purity: 100.0% | 33818-15-4 Citicoline Sodium Salt|C3D-1974|33818-15-4 https://www.jk-sci.com/products/j5326818 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480b91ccce4e418b0646d4e297dde9ab.jpg?v=1791402507 4-Chloro-2-methylphenol, Purity by GC ≥ 99% | 1570-64-5 4-Chloro-2-methylphenol|26818|1570-64-5 https://www.jk-sci.com/products/s57c3d-3876 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03be0ae8fe23e8ce29ca789e3e004a0b.jpg?v=1791388674 4-Hydroxy-3-methoxy-5-nitrobenzoic acid, 96.60% | 15785-54-3 4-Hydroxy-3-methoxy-5-nitrobenzoic acid|C3D-3876|15785-54-3 https://www.jk-sci.com/products/s57c4x-260810 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/911715_c9cc0607-a620-4b41-a428-81903973c89e.png?v=1791368345 3-Fluoro-2-Hydroxyacetophenone, 98.50% | 699-92-3 3-Fluoro-2-Hydroxyacetophenone|C4X-260810|699-92-3 https://www.jk-sci.com/products/s57c3d-5971 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365602.png?v=1791388104 Nervonic acid, 99.40% | 506-37-6 Nervonic acid|C3D-5971|506-37-6 https://www.jk-sci.com/products/s57c4x-26084 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/160426_9d6cb484-ba16-49e6-9e35-5c5eca1c7746.png?v=1791368339 4'-Fluoro-2'-hydroxyacetophenone, 98.70% | 1481-27-2 4'-Fluoro-2'-hydroxyacetophenone|C4X-26084|1481-27-2 https://www.jk-sci.com/products/s57c4x-26086 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155985.png?v=1791368334 3'-Fluoro-4'-hydroxyacetophenone, 99.80% | 403-14-5 3'-Fluoro-4'-hydroxyacetophenone|C4X-26086|403-14-5 https://www.jk-sci.com/products/j5326826 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07c22836b66d028b3b84f345596acbaf.jpg?v=1791402498 2,4-Dimethylbenzoic acid, Purity by GC ≥ 99% | 611-01-8 2,4-Dimethylbenzoic acid|26826|611-01-8 https://www.jk-sci.com/products/s57c3d-6021 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524944.png?v=1791388075 1-(p-Tolyl)propan-2-one, Purity: 95.9% | 2096-86-8 1-(p-Tolyl)propan-2-one|C3D-6021|2096-86-8 https://www.jk-sci.com/products/s57c4x-1009111 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c6dd963f977cf6a31fbd01c8702e64a.jpg?v=1791387766 Apremilast Impurity 111, Purity: 97.7% | 60758-79-4 Apremilast Impurity 111|C4X-1009111|60758-79-4 https://www.jk-sci.com/products/s57c4x-105767 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ffc1ee18a739cc6a13169b4ebe15e72.jpg?v=1791386459 Valsartan Impurity 67, 95.70% | 2254485-68-0 Valsartan Impurity 67|C4X-105767|2254485-68-0 https://www.jk-sci.com/products/s57c4x-1079104 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272049.png?v=1791385575 Tofacitinib Impurity 104, 97.90% | 39929-79-8 Tofacitinib Impurity 104|C4X-1079104|39929-79-8 https://www.jk-sci.com/products/s57c4x-107960 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514562.png?v=1791385508 Tofacitinib Impurity 60, Purity: 100.0% | 90213-66-4 Tofacitinib Impurity 60|C4X-107960|90213-66-4 https://www.jk-sci.com/products/s57c4x-108735 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03164814812acc4b2b9d5bf25c8cc366.jpg?v=1791385105 Tadalafil Impurity 35, Purity: 99.4% | 2169996-11-4 Tadalafil Impurity 35|C4X-108735|2169996-11-4 https://www.jk-sci.com/products/s57c4x-1132119 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71f26a7ced70d524361d3df269e32264.jpg?v=1791383370 Atorvastatin EP Impurity C Calcium Salt, 95.40% | 693793-53-2 Atorvastatin EP Impurity C Calcium Salt|C4X-1132119|693793-53-2 https://www.jk-sci.com/products/s57c4x-26089 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f59faf3f7eff39800ebbe6da0c0a4a94.jpg?v=1791368334 4'-Fluoro-3'-hydroxyacetophenone, 99.20% | 949159-95-9 4'-Fluoro-3'-hydroxyacetophenone|C4X-26089|949159-95-9 https://www.jk-sci.com/products/s57c4x-113845 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e31c8e3d4003b3ef127aa960a12799dc.jpg?v=1791383117 Dapagliflozin Impurity 45, 99.90% | 864070-18-8 Dapagliflozin Impurity 45|C4X-113845|864070-18-8 https://www.jk-sci.com/products/s57c4x-11653 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa367607f2929d075cbb027a27ffc177.jpg?v=1791382488 Dexamethasone EP Impurity C, 95.40% | 426-17-5 Dexamethasone EP Impurity C|C4X-11653|426-17-5 https://www.jk-sci.com/products/j5326834 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b4b1e7d3ad2aae979e0d2c2cad8685a.jpg?v=1791402487 3,5-Dihydroxy-4-methylbenzoic acid, Assay ≥ 99% | 28026-96-2 3,5-Dihydroxy-4-methylbenzoic acid|26834|28026-96-2 https://www.jk-sci.com/products/s57c4x-136935 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d43ba3a8-4f90-43b2-917f-a4bddd8a3ec0.png?v=1791379508 Mianserin impurity 35, 91.70% Mianserin impurity 35|C4X-136935 https://www.jk-sci.com/products/s57c4x-16813 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795129.png?v=1791375549 Lisinopril EP Impurity C, 95.60% | 328385-86-0 Lisinopril EP Impurity C|C4X-16813|328385-86-0 https://www.jk-sci.com/products/s57c1048682 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274042.png?v=1791391490 1,3-Phenylene diacetate, Purity: 98.8% | 108-58-7 1,3-Phenylene diacetate|C1048682|108-58-7 https://www.jk-sci.com/products/s57c1125369 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d87a2dd33ecbdaa086168f7fbf2c7f33.jpg?v=1791391349 Ethyl 3-amino-2-fluorobenzoate, Purity: 99.8% | 1214335-16-6 Ethyl 3-amino-2-fluorobenzoate|C1125369|1214335-16-6 https://www.jk-sci.com/products/j5326841 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a12a0f515440d7495116e27a81b8920.jpg?v=1791402475 4,4'-Dibenzoic acid, Purity ≥ 98% | 787-70-2 4,4'-Dibenzoic acid|26841|787-70-2 https://www.jk-sci.com/products/j5326843 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f82fadba43e6b17895ae5e1a899fe558.jpg?v=1791402470 Bromoacetic acid, Assay ≥ 98% | 79-08-3 Bromoacetic acid|26843|79-08-3 https://www.jk-sci.com/products/j5326857 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c80a7f7fc6b215bf220b862b58d2a86.jpg?v=1791402445 1,3,4-Thiadiazole-2,5-dithiol, Assay by titration ≥ 98% | 1072-71-5 1,3,4-Thiadiazole-2,5-dithiol|26857|1072-71-5 https://www.jk-sci.com/products/s57c1190846 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d457d79f233972a2a2d086917f8ab822.jpg?v=1791391292 Calcipotriol Impurity A, Purity: 99.3% | 126860-84-2 Calcipotriol Impurity A|C1190846|126860-84-2 https://www.jk-sci.com/products/j5326861 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ca507efefe2896b865490a5833d404e.jpg?v=1791402441 N-Methyl-3-hydroxypyrrolidine, Purity by GC ≥ 98% | 13220-33-2 N-Methyl-3-hydroxypyrrolidine|26861|13220-33-2 https://www.jk-sci.com/products/j5326866 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ffe5a0c01a7ce731b43b14846aa91ea.jpg?v=1791402431 Dimethylsiloxane cyclic tetramer, Assay ≥ 97% | 556-67-2 Dimethylsiloxane cyclic tetramer|26866|556-67-2 https://www.jk-sci.com/products/j5326879 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b7920b9a8952b93ac80056840a41bc8.jpg?v=1791402408 4-Cyanobenzaldehyde, Purity by HPLC ≥ 99% | 105-07-7 4-Cyanobenzaldehyde|26879|105-07-7 https://www.jk-sci.com/products/s57c1295355 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79d97711974e2a03532e984414d09d06.jpg?v=1791391150 (E)-Oct-4-enedioic acid, 99.70% | 14277-16-8 (E)-Oct-4-enedioic acid|C1295355|14277-16-8 https://www.jk-sci.com/products/s57c1424782 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/307724.png?v=1791390941 Diallylacetic Acid Ethyl Ester, 93.50% | 18325-74-1 Diallylacetic Acid Ethyl Ester|C1424782|18325-74-1 https://www.jk-sci.com/products/j5326874 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbfbc06342c607895425eb9adee45786.jpg?v=1791402413 2-Hydroxy-5-chlorobenzaldehyde, Assay ≥ 97% | 635-93-8 2-Hydroxy-5-chlorobenzaldehyde|26874|635-93-8 https://www.jk-sci.com/products/s57c1588769 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c622c28ee8a736985aac9c9348fa958_b235cebf-ed9c-4b9b-8c0b-580a31cd12ed.jpg?v=1791390651 2-(Methylsulfonyl)aniline, 99.50% | 2987-49-7 2-(Methylsulfonyl)aniline|C1588769|2987-49-7 https://www.jk-sci.com/products/j5325098 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4811bb34185305ad7730a4b95ecdb13c.jpg?v=1791404457 3-Phenylpyrazole-5-carboxylic acid, Purity by HPLC ≥ 99% | 1134-49-2 3-Phenylpyrazole-5-carboxylic acid|25098|1134-49-2 https://www.jk-sci.com/products/s57c1630270 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c3cab070d310326007a508575a314a2.jpg?v=1791390531 2-Hydroxy-3-Methoxybenzenesulfonic Acid Potassium Salt, Purity: 97.9% | 859188-04-8 2-Hydroxy-3-Methoxybenzenesulfonic Acid Potassium Salt|C1630270|859188-04-8 https://www.jk-sci.com/products/s57c1833260 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7a6a3b0b4a13f456e7ec95b3e504ff0_04988b0d-3cfa-49c1-8013-04ab2d69ba73.jpg?v=1791389945 Methyl 1H-Indazole-7-carboxylate, 99.40% | 755752-82-0 Methyl 1H-Indazole-7-carboxylate|C1833260|755752-82-0 https://www.jk-sci.com/products/s57c1915213 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224743_ef452f13-e77f-4374-89ba-6c2147e65a8d.png?v=1791389637 Methyl 3,5-dinitrobenzoate, 99.50% | 2702-58-1 Methyl 3,5-dinitrobenzoate|C1915213|2702-58-1 https://www.jk-sci.com/products/j5325972 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b34c9c70961cfc399a191d62abed510.jpg?v=1791403771 3-(4-Fluorophenyl)-1H-pyrazole-4-carboxaldehyde, Purity by HPLC ≥ 99% | 306936-57-2 3-(4-Fluorophenyl)-1H-pyrazole-4-carboxaldehyde|25972|306936-57-2 https://www.jk-sci.com/products/s57c1923513 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239397.png?v=1791389485 Triisopropylhydrosilane, 94.80% | 6485-79-6 Triisopropylhydrosilane|C1923513|6485-79-6 https://www.jk-sci.com/products/j5326126 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcf8de638f91b098dab430d54613dfa1.jpg?v=1791403552 Ethyl 1H-Benzimidazole-2-carboxylate, Purity by HPLC ≥ 99% | 1865-09-4 Ethyl 1H-Benzimidazole-2-carboxylate|26126|1865-09-4 https://www.jk-sci.com/products/s57c3d-25859 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493851_a9c0926f-cafa-4eec-a500-b46d8834910d.png?v=1791389229 Methyl Oxindole-5-carboxylate, Purity: 98.1% | 199328-10-4 Methyl Oxindole-5-carboxylate|C3D-25859|199328-10-4 https://www.jk-sci.com/products/s57c3d-26003 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/518445.png?v=1791389144 5-Chloro-2-fluoroaniline, 90.40% | 2106-05-0 5-Chloro-2-fluoroaniline|C3D-26003|2106-05-0 https://www.jk-sci.com/products/s57c3d-2826 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359130_e30c1778-dcc7-4a0f-a788-a85e826b78ed.png?v=1791388942 H-Ser(tBu)-OH, 93.10% | 18822-58-7 H-Ser(tBu)-OH|C3D-2826|18822-58-7 https://www.jk-sci.com/products/j5326231 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598b5c234b4aca5cb7686827484eba75.jpg?v=1791403383 6-Fluoro-3-iodo-indazole, Purity by HPLC ≥ 97% | 885522-07-6 6-Fluoro-3-iodo-indazole|26231|885522-07-6 https://www.jk-sci.com/products/s57c4x-260912 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff18b1ae83ae4a5ea4de68022a2f4d42.jpg?v=1791368328 Ethacridine Lactate Impurity 12, 86.80% | 20304-69-2 Ethacridine Lactate Impurity 12|C4X-260912|20304-69-2 https://www.jk-sci.com/products/s57c3d-5921 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/867ab95ecbfc390654145ae7832120d1.jpg?v=1791388127 R428, Purity: 99.7% | 1037624-75-1 R428|C3D-5921|1037624-75-1 https://www.jk-sci.com/products/s57c4x-1020177 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_74f1a0f9-b6f1-466d-81f6-7dcbf5b4985e.png?v=1791387459 Vonoprazan Impurity 177, 93.70% Vonoprazan Impurity 177|C4X-1020177 https://www.jk-sci.com/products/s57c4x-102091 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ceec0209ac603e7511d8818ecf9903e.jpg?v=1791387358 Vonoprazan, 99.00% | 881681-00-1 Vonoprazan|C4X-102091|881681-00-1 https://www.jk-sci.com/products/j5326316 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/226fc8436655c6fd55d9010e6d9f8d38.jpg?v=1791403262 1-(Tetrahydropyran-2-yl)-1H-indazole-5-carboxylic acid, Purity by HPLC ≥ 95% | 1000576-28-2 1-(Tetrahydropyran-2-yl)-1H-indazole-5-carboxylic acid|26316|1000576-28-2 https://www.jk-sci.com/products/s57c4x-10211 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26658b1c0bd5c57ab6979a8156e698e0.jpg?v=1791387353 Ganciclovir EP Impurity A, 96.10% | 1797982-93-4 Ganciclovir EP Impurity A|C4X-10211|1797982-93-4 https://www.jk-sci.com/products/j5326375 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac6ee55f0999988cfcfc7c0d76e10488.jpg?v=1791403162 Benzofuran-3-boronic acid pinacol ester, Purity by HPLC ≥ 95% | 796851-30-4 Benzofuran-3-boronic acid pinacol ester|26375|796851-30-4 https://www.jk-sci.com/products/s57c4x-103286 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41b69bdaf44df20acc968031d65d2970.jpg?v=1791387042 Mirabegron Impurity 86, 100.00% | 223673-34-5 Mirabegron Impurity 86|C4X-103286|223673-34-5 https://www.jk-sci.com/products/s57c4x-10903 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff832b704c2f72a90df6f3b88a7ee018.jpg?v=1791384929 Rivaroxaban EP Impurity B, 100.00% | 1429334-00-8 Rivaroxaban EP Impurity B|C4X-10903|1429334-00-8 https://www.jk-sci.com/products/j5326423 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80dea8eb239e76688aec94192757957a.jpg?v=1791403113 tert-Butyl 5-bromo-4-methyl-1H-indazole-1-carboxylate, Purity by HPLC ≥ 95% | 1257535-48-0 tert-Butyl 5-bromo-4-methyl-1H-indazole-1-carboxylate|26423|1257535-48-0 https://www.jk-sci.com/products/j5326569 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2796bbb4950d9bfd8f14082053e3c30a.jpg?v=1791402873 2,5-Dimethyl-1-propyl-1H-pyrrole-3-carbaldehyde, Purity by HPLC ≥ 97% | 18870-75-2 2,5-Dimethyl-1-propyl-1H-pyrrole-3-carbaldehyde|26569|18870-75-2 https://www.jk-sci.com/products/j5326520 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61a248b0da457b2834f82f898ed1be37.jpg?v=1791402964 3-[(Dimethylamino)methyl]-4-hydroxybenzaldehyde, Purity ≥ 95% (LCMS) | 116546-04-4 3-[(Dimethylamino)methyl]-4-hydroxybenzaldehyde|26520|116546-04-4 https://www.jk-sci.com/products/s57c4x-109630 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1de503571c26fd40c74230c86d3cb927.jpg?v=1791384626 Azilsartan Ethyl Ester Impurity, 99.30% | 1403474-70-3 Azilsartan Ethyl Ester Impurity|C4X-109630|1403474-70-3 https://www.jk-sci.com/products/j5326469 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d72857317ace94cd947392162c24d63.jpg?v=1791403037 Fmoc-N-(4-aminobutyl)-glycine hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 908117-93-1 Fmoc-N-(4-aminobutyl)-glycine hydrochloride|26469|908117-93-1 https://www.jk-sci.com/products/s57c4x-26111 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105734.png?v=1791368323 Trimipramine Maleate Salt, Purity: 100.0% | 521-78-8 Trimipramine Maleate Salt|C4X-26111|521-78-8 https://www.jk-sci.com/products/s57c4x-2620 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5adbdf4da7b1978bf0db6677f25c902.jpg?v=1791368317 Emodepside, 99.60% | 155030-63-0 Emodepside|C4X-2620|155030-63-0 https://www.jk-sci.com/products/j5326647 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e67ef1aa28ab7cd0ddda04e1f5523a6.jpg?v=1791402754 1,2,4,5-Tetramethyl-1H-pyrrole-3-carbaldehyde, Purity by HPLC ≥ 99% | 1087610-71-6 1,2,4,5-Tetramethyl-1H-pyrrole-3-carbaldehyde|26647|1087610-71-6 https://www.jk-sci.com/products/s57c4x-26152 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70e3d12ebace0ad99acc62d11291b9e7.jpg?v=1791368322 Raltegravir EP Impurity C, Purity: 95.5% | 1391918-17-4 Raltegravir EP Impurity C|C4X-26152|1391918-17-4 https://www.jk-sci.com/products/j5326673 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bff90245bdc3c3b6e6f36fa5644bab34.jpg?v=1791402713 3-(2-Furyl)benzaldehyde, Purity ≥ 95% (NMR) | 85553-52-2 3-(2-Furyl)benzaldehyde|26673|85553-52-2 https://www.jk-sci.com/products/j5326698 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/759eb816704de77628676a68f16949c9.jpg?v=1791402674 [3-(3,5-Dimethyl-1H-pyrazol-1-yl)phenyl]boronic acid, Purity by HPLC ≥ 99% || Purity ≥ 95% (NMR) | 1025735-46-9 [3-(3,5-Dimethyl-1H-pyrazol-1-yl)phenyl]boronic acid|26698|1025735-46-9 https://www.jk-sci.com/products/s57c4x-11223 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a56c05b62deca1e7c1908e7216f4ddde.jpg?v=1791383785 Everolimus Impurity 3, 82.70% | 1708118-13-1 Everolimus Impurity 3|C4X-11223|1708118-13-1 https://www.jk-sci.com/products/j5326722 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0466c38ae8b779b0023a57d93f27e0.jpg?v=1791402644 Copper(II) acetylacetonate, Assay ≥ 98% | 13395-16-9 Copper(II) acetylacetonate|26722|13395-16-9 https://www.jk-sci.com/products/s57c4x-113128 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9dfa693a91e677b25b32f64f754421a5.jpg?v=1791383448 Brexpiprazole Impurity 28, Purity: 95.5% | 1191900-51-2 Brexpiprazole Impurity 28|C4X-113128|1191900-51-2 https://www.jk-sci.com/products/s57c4x-121020 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da14d2e2ea3dc6f0c8058a586eaf1ef.jpg?v=1791381706 Cefdinir CP Impurity N, 76.70% | 178601-89-3 Cefdinir CP Impurity N|C4X-121020|178601-89-3 https://www.jk-sci.com/products/s57c4x-26211 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40eb6f931e0b1f717542d72406c68939.jpg?v=1791368312 Landiolol Impurity 1, 99.40% | 144256-11-1 Landiolol Impurity 1|C4X-26211|144256-11-1 https://www.jk-sci.com/products/s57c4x-12227 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4cc3e77d-c9ae-4369-ac04-60de90e4dee7.png?v=1791381551 Calcipotriol EP Impurity G, 95.10% Calcipotriol EP Impurity G|C4X-12227 https://www.jk-sci.com/products/j5326737 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a28f050e79be958ed664a6b20cfdb9a5.jpg?v=1791402616 a,a,a',a'-Tetrabromo-o-xylene, Purity by HPLC ≥ 99% | 13209-15-9 a,a,a',a'-Tetrabromo-o-xylene|26737|13209-15-9 https://www.jk-sci.com/products/j5326744 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62945a208d20e948214773c63b4358c8.jpg?v=1791402607 1,6-Dibromo-n-hexane, Purity by GC ≥ 99% | 629-03-8 1,6-Dibromo-n-hexane|26744|629-03-8 https://www.jk-sci.com/products/s57c4x-262111 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31011f83dde0464f91e858c374b3c444.jpg?v=1791368307 Landiolol Impurity 11, 94.60% | 4432-25-1 Landiolol Impurity 11|C4X-262111|4432-25-1 https://www.jk-sci.com/products/s57c4x-26212 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398483_1f490037-e97d-4bc4-8c4e-00de5a7f940c.png?v=1791368302 Landiolol Impurity 2, Purity: 99.0% | 115314-17-5 Landiolol Impurity 2|C4X-26212|115314-17-5 https://www.jk-sci.com/products/s57c4x-139521 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/838a6684dceb367c960d8ea76c0f23fd.jpg?v=1791379105 Folic Acid EP Impurity H, 90.00% | 2366274-27-1 Folic Acid EP Impurity H|C4X-139521|2366274-27-1 https://www.jk-sci.com/products/j5326790 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9387ce423b8babf9ec5a91c4afb5125b.jpg?v=1791402545 4-Hydroxy-3-methoxybenzonitrile, Purity by GC ≥ 99% | 4421-08-3 4-Hydroxy-3-methoxybenzonitrile|26790|4421-08-3 https://www.jk-sci.com/products/s57c4x-15141 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7c16440d40b2ca58831a1a07f19535.jpg?v=1791377053 Noradrenalone EP Impurity B Hydrochloride, 73.80% | 5090-29-9 Noradrenalone EP Impurity B Hydrochloride|C4X-15141|5090-29-9 https://www.jk-sci.com/products/j5326765 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d4129d081b80ac5602e469a06e4e117.jpg?v=1791402581 3-Chloropropiophenone, Purity by HPLC ≥ 99% | 936-59-4 3-Chloropropiophenone|26765|936-59-4 https://www.jk-sci.com/products/s57c1011563 2026-10-08T05:11:38-07:00 daily https://www.jk-sci.com/products/j5326774 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e22e538717a3c8c98d59e0b3fdbb2a4.jpg?v=1791402565 Cyclopentan-1-one, Assay ≥ 99.8% | 120-92-3 Cyclopentan-1-one|26774|120-92-3 https://www.jk-sci.com/products/s57c1025829 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118550.png?v=1791391530 Methyl 3-phenylpropionate, 97.90% | 103-25-3 Methyl 3-phenylpropionate|C1025829|103-25-3 https://www.jk-sci.com/products/j5326820 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d09a73ed6c2584ffd0fb9048a6fd3b4e.jpg?v=1791402507 1,1,2,2-Tetrakis(p-hydroxyphenyl)ethane, Purity by HPLC ≥ 97% | 7727-33-5 1,1,2,2-Tetrakis(p-hydroxyphenyl)ethane|26820|7727-33-5 https://www.jk-sci.com/products/s57c1059138 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406400.png?v=1791391466 2,5-dimethyl-2,5-hexanediol, Purity: 99.4% | 110-03-2 2,5-dimethyl-2,5-hexanediol|C1059138|110-03-2 https://www.jk-sci.com/products/s57c1144483 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/874e9904f77a084f2a585c7836a28aa6.jpg?v=1791391328 Abemaciclib Impurity N4, 99.60% | 1231930-33-8 Abemaciclib Impurity N4|C1144483|1231930-33-8 https://www.jk-sci.com/products/s57c1316356 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2db7aa2a1d936d74c9b63758c75f057d.jpg?v=1791391098 1-(Sulfamoylamino)propane, 95.80% | 147962-41-2 1-(Sulfamoylamino)propane|C1316356|147962-41-2 https://www.jk-sci.com/products/j5326808 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8821acffa196ad41b06bf1af69a8e90b.jpg?v=1791402517 4'-Hydroxy-3'-methylacetophenone, Purity by HPLC ≥ 99% | 876-02-8 4'-Hydroxy-3'-methylacetophenone|26808|876-02-8 https://www.jk-sci.com/products/j5326830 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87642869fb911ed3c86be2574c9cc713.jpg?v=1791402493 3,4-Diethoxybenzoic acid, Purity by HPLC ≥ 99% | 5409-31-4 3,4-Diethoxybenzoic acid|26830|5409-31-4 https://www.jk-sci.com/products/j5326872 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d500ffbe55489b7903922dae5663cb4.jpg?v=1791402421 2,4,6-Trihydroxybenzaldehyde, Purity by HPLC ≥ 98% | 487-70-7 2,4,6-Trihydroxybenzaldehyde|26872|487-70-7 https://www.jk-sci.com/products/j5326842 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fca7e2ed438c57967d76e4e5320609d.jpg?v=1791402474 4-Acetylbenzoic acid, Purity by HPLC ≥ 98% | 586-89-0 4-Acetylbenzoic acid|26842|586-89-0 https://www.jk-sci.com/products/s57c1343654 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b3dec91b52faf1aeb2a0eede9ea3989.jpg?v=1791391056 (R)-1-(1-([1,1'-Biphenyl]-4-yl)-3-chloropropan-2-yl)pyrrolidine-2,5-dione, Purity: 97.4% | 1573000-36-8 (R)-1-(1-([1,1'-Biphenyl]-4-yl)-3-chloropropan-2-yl)pyrrolidine-2,5-dione|C1343654|1573000-36-8 https://www.jk-sci.com/products/s57c4x-262141 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59cbc4b1535925a2cd50fc770e2c97ae.jpg?v=1791368302 Landiolol Impurity41, Purity: 95.0% | 1582797-17-8 Landiolol Impurity41|C4X-262141|1582797-17-8 https://www.jk-sci.com/products/j5326860 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cd1e6c986c943ae1e8106ff0e0481d2.jpg?v=1791402441 5-Amino-3-methylisoxazole, Purity by HPLC ≥ 99% | 14678-02-5 5-Amino-3-methylisoxazole|26860|14678-02-5 https://www.jk-sci.com/products/s57c1347065 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431542.png?v=1791391047 Ibuprofen Carboxylic Acid, Purity: 99.6% | 15935-54-3 Ibuprofen Carboxylic Acid|C1347065|15935-54-3 https://www.jk-sci.com/products/s57c1707112 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138928.png?v=1791390396 4,6-Dihydroxy-5-methoxypyrimidine, 97.10% | 5193-84-0 4,6-Dihydroxy-5-methoxypyrimidine|C1707112|5193-84-0 https://www.jk-sci.com/products/j5326907 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7a6285eea6c92c30c17855db3c4308a.jpg?v=1791402383 2-(4-Bromophenyl)-2-hydroxyacetic acid, Purity by HPLC ≥ 99% | 6940-50-7 2-(4-Bromophenyl)-2-hydroxyacetic acid|26907|6940-50-7 https://www.jk-sci.com/products/s57c1799191 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b12beb40d10a97240fb1db24e9d94edf.jpg?v=1791390153 Corticosterone 21-Carboxylic Acid, 96.70% | 33762-00-4 Corticosterone 21-Carboxylic Acid|C1799191|33762-00-4 https://www.jk-sci.com/products/j5326900 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6c5b6e3c0424d379d3b5d4bbd0bca8c.jpg?v=1791402393 Bromocyclohexane, Purity by GC ≥ 99% | 108-85-0 Bromocyclohexane|26900|108-85-0 https://www.jk-sci.com/products/s57c1806303 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d19ed010ecb9cb74667c3b5e15b06bf.jpg?v=1791390100 3,4-Dihydroxy-5-Nitrobenzoic Acid, 96.20% | 84211-30-3 3,4-Dihydroxy-5-Nitrobenzoic Acid|C1806303|84211-30-3 https://www.jk-sci.com/products/s57c4x-262148 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_094b195a-b7eb-465d-9c6b-db03238dead9.png?v=1791368292 Landiolol Impurity 48, Purity: 98.8% Landiolol Impurity 48|C4X-262148 https://www.jk-sci.com/products/j5326912 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cc49eeb76ded8acab80be594d43d078.jpg?v=1791402372 5-Chlorovaleric acid, Purity by GC ≥ 98% | 1119-46-6 5-Chlorovaleric acid|26912|1119-46-6 https://www.jk-sci.com/products/s57c1826498 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595821.png?v=1791390011 Histrelin | 76712-82-8 Histrelin|C1826498|76712-82-8 https://www.jk-sci.com/products/s57c4x-26215 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b522bf84-385b-45e7-b382-ea794b19f1cb.png?v=1791368291 Landiolol Impurity 5 HCl, 98.30% Landiolol Impurity 5 HCl|C4X-26215 https://www.jk-sci.com/products/s57c1832175 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df44224ba9af05efa5c097fcee34b912.jpg?v=1791389944 (S)-1-tert-Butyl 2-methyl 2,3-dihydro-1H-pyrrole-1,2-dicarboxylate, 95.70% | 83548-46-3 (S)-1-tert-Butyl 2-methyl 2,3-dihydro-1H-pyrrole-1,2-dicarboxylate|C1832175|83548-46-3 https://www.jk-sci.com/products/s57c3d-2670 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5862888a586fbe3517ee2c2ac57f00.jpg?v=1791389012 2-Heptyl Chloroformate, 86.50% | 290819-03-3 2-Heptyl Chloroformate|C3D-2670|290819-03-3 https://www.jk-sci.com/products/j5326917 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9527779f64602532ad4d8af512819b9c.jpg?v=1791402367 3,4,5-trimethoxybenzyl alcohol, Purity by GC ≥ 98% | 3840-31-1 3,4,5-trimethoxybenzyl alcohol|26917|3840-31-1 https://www.jk-sci.com/products/j5326939 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d48a78cea7c66ebce2899103c92400ab.jpg?v=1791402327 4-Methylthiazole, Purity by GC ≥ 99% | 693-95-8 4-Methylthiazole|26939|693-95-8 https://www.jk-sci.com/products/s57c3d-4352 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408509_c6d064a3-f29d-45d4-98d7-bb433a10f377.png?v=1791388563 trans-Ferulic Acid, 100.00% | 537-98-4 trans-Ferulic Acid|C3D-4352|537-98-4 https://www.jk-sci.com/products/s57c4x-26217 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af7a2a03a5c2364d3ab03d1d3e59cc34.jpg?v=1791368283 Landiolol Impurity 7, 86.50% | 190601-22-0 Landiolol Impurity 7|C4X-26217|190601-22-0 https://www.jk-sci.com/products/s57c4x-10193 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131cb7ffafeab9789dc1a543854ddc23.jpg?v=1791387517 Fluconazole EP Impurity B, 99.90% | 871550-15-1 Fluconazole EP Impurity B|C4X-10193|871550-15-1 https://www.jk-sci.com/products/j5326944 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/031a474ee4ff9e51b071c0b322799a46.jpg?v=1791402317 Sorbitan monostearate | 1338-41-6 Sorbitan monostearate|26944|1338-41-6 https://www.jk-sci.com/products/j5326968 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bde710b80c74b59c697de6d03f32e139.jpg?v=1791402292 2,3-Cyclopentenopyridine, Assay ≥ 98% | 533-37-9 2,3-Cyclopentenopyridine|26968|533-37-9 https://www.jk-sci.com/products/j5326973 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f16c294c5250e0d37bb23e7418cb74c.jpg?v=1791402286 N-(2-Hydroxyethyl)piperazine, Purity ≥ 99.9% | 103-76-4 N-(2-Hydroxyethyl)piperazine|26973|103-76-4 https://www.jk-sci.com/products/s57c4x-102522 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/565053_a060b324-716f-44d0-a75b-e0d42124a58a.png?v=1791387297 Crizotinib impurity 22, 96.80% | 3469-69-0 Crizotinib impurity 22|C4X-102522|3469-69-0 https://www.jk-sci.com/products/s57c4x-106815 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71f4d80c-c249-42b4-94bd-1121ad82a3e6.png?v=1791386031 Imatinib EP Impurity D, 95.30% Imatinib EP Impurity D|C4X-106815 https://www.jk-sci.com/products/j5326982 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e10676a00e1640bd7eeb55c67cf2b3bb.jpg?v=1791402270 4-Amino-2,6-dimethylpyrimidine, Purity by GC ≥ 98% | 461-98-3 4-Amino-2,6-dimethylpyrimidine|26982|461-98-3 https://www.jk-sci.com/products/s57c4x-108818 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf61eb1b0c9727ef6f020e5be98bbb24.jpg?v=1791385067 Apixaban Impurity 18, 99.90% | 27143-07-3 Apixaban Impurity 18|C4X-108818|27143-07-3 https://www.jk-sci.com/products/s57c4x-108825 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5c0f4f9e-365a-485f-88be-41ad97d60e97.png?v=1791385060 Apixaban Impurity 25, Purity: 100.0% Apixaban Impurity 25|C4X-108825 https://www.jk-sci.com/products/s57c4x-1089125 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3232a2779f17379b3e654bbd0f18db8a.jpg?v=1791385011 Dabigatran Impurity 125, 97.70% | 2225986-94-5 Dabigatran Impurity 125|C4X-1089125|2225986-94-5 https://www.jk-sci.com/products/s57c4x-262185 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b1664d68-38a3-4f8a-9f2f-f07267f15be2.png?v=1791368273 Landiolol Impurity 85, Purity: 100.0% Landiolol Impurity 85|C4X-262185 https://www.jk-sci.com/products/s57c4x-1090181 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ebb31b5-126a-4604-b6cc-80baba8b389c.png?v=1791384940 Rivaroxaban Impurity 181, 99.60% Rivaroxaban Impurity 181|C4X-1090181 https://www.jk-sci.com/products/s57c4x-113588 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/994f812e25e300e2ac5db1eeb5e30053.jpg?v=1791383207 Olaparib Impurity 88, 94.40% | 1062292-60-7 Olaparib Impurity 88|C4X-113588|1062292-60-7 https://www.jk-sci.com/products/j5327012 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/051247b3b05eafe607c8d1efbcb52efd.jpg?v=1791402214 3-Hydroxy-2-iodo-6-methylpyridine, Purity by HPLC ≥ 98% | 23003-30-7 3-Hydroxy-2-iodo-6-methylpyridine|27012|23003-30-7 https://www.jk-sci.com/products/s57c4x-137520 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281df6886c8064f898167da57c798f67.jpg?v=1791379387 Mivacurium Chloride Impurity 20, 90.50% | 117676-61-6 Mivacurium Chloride Impurity 20|C4X-137520|117676-61-6 https://www.jk-sci.com/products/s57c4x-262210 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522e6b76a5f6f84a7dad6b8280b9af93.jpg?v=1791368266 Ramelteon Impurity 10 HCl, 98.00% | 1053239-39-6 Ramelteon Impurity 10 HCl|C4X-262210|1053239-39-6 https://www.jk-sci.com/products/j5327002 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b57bd1bd33847290d40a8d9fb008ebf.jpg?v=1791402239 2,3-Dichloropyridine, Purity by GC ≥ 98% | 2402-77-9 2,3-Dichloropyridine|27002|2402-77-9 https://www.jk-sci.com/products/s57c4x-15194 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6be4ec913d4a2ad5b8f4a5fe603b19.jpg?v=1791376928 Propranolol EP Impurity C, 92.30% | 17216-10-3 Propranolol EP Impurity C|C4X-15194|17216-10-3 https://www.jk-sci.com/products/s57c4x-2622 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618203.png?v=1791368274 Ramelteon, 95.30% | 196597-26-9 Ramelteon|C4X-2622|196597-26-9 https://www.jk-sci.com/products/s57c4x-15195 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57179ca021507efc84a9f8a212899caf.jpg?v=1791376924 Propranolol Impurity 5, 95.00% | 2007-72-9 Propranolol Impurity 5|C4X-15195|2007-72-9 https://www.jk-sci.com/products/j5327040 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc6e3eda7007de1f44489b24281f2d62.jpg?v=1791402168 6-Methylnicotinamide, Purity by HPLC ≥ 99% | 6960-22-1 6-Methylnicotinamide|27040|6960-22-1 https://www.jk-sci.com/products/j5327019 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98af92f92adc393164e75259c3ac3c04.jpg?v=1791402204 5-Amino-2-methoxypyridine, Purity by GC ≥ 97% | 6628-77-9 5-Amino-2-methoxypyridine|27019|6628-77-9 https://www.jk-sci.com/products/j5327027 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d9fea542002d25ac2e38060d89c34a5.jpg?v=1791402189 2-Aminopyridine, Purity by GC ≥ 99% | 504-29-0 2-Aminopyridine|27027|504-29-0 https://www.jk-sci.com/products/j5327050 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbbdf9f073f62d9a93ecf8d8993c0478.jpg?v=1791402153 3-Picolinic acid ethyl ester, Purity by GC ≥ 99% | 614-18-6 3-Picolinic acid ethyl ester|27050|614-18-6 https://www.jk-sci.com/products/s57c4x-262214 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c14d2548715117cdb6f63a25ea48b5d2.jpg?v=1791368263 Ramelteon Impurity 14, 99.60% | 326793-94-6 Ramelteon Impurity 14|C4X-262214|326793-94-6 https://www.jk-sci.com/products/s57c4x-262224 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc9631be2217a10c1c855118cd8fcfb6.jpg?v=1791368258 Ramelteon Impurity 24, 99.40% | 221530-38-7 Ramelteon Impurity 24|C4X-262224|221530-38-7 https://www.jk-sci.com/products/j5327069 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e34d882724ee61faa27cf9dccc5cb95.jpg?v=1791402118 N-Methylpiperidine, Assay ≥ 99% | 626-67-5 N-Methylpiperidine|27069|626-67-5 https://www.jk-sci.com/products/j5327055 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3345aa703de1744f7c4593d1df924fe8.jpg?v=1791402144 trans-3-(3-Pyridyl)acrylic acid, Purity by HPLC ≥ 98% | 19337-97-4 trans-3-(3-Pyridyl)acrylic acid|27055|19337-97-4 https://www.jk-sci.com/products/s57c1031838 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414490.png?v=1791391515 4-methylbenzyl chloride, 95.40% | 104-82-5 4-methylbenzyl chloride|C1031838|104-82-5 https://www.jk-sci.com/products/s57c4x-262229 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e31da0c5-32e7-4738-8a87-c7e1116dcc7b.png?v=1791368257 Ramelteon Impurity 29, Purity: 97.9% Ramelteon Impurity 29|C4X-262229 https://www.jk-sci.com/products/s57c1041580 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294441.png?v=1791391501 4-(Diethylamino)-2-butyn-1-ol, 98.50% | 10575-25-4 4-(Diethylamino)-2-butyn-1-ol|C1041580|10575-25-4 https://www.jk-sci.com/products/j5326167 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67289f05436b599dac1afdde347f81d8.jpg?v=1791403476 2-Amino-4,6-difluorobenzoic acid, Purity by HPLC ≥ 96% | 126674-77-9 2-Amino-4,6-difluorobenzoic acid|26167|126674-77-9 https://www.jk-sci.com/products/s57c1064305 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f880fef9b949db52d91857344942914.jpg?v=1791391440 Bexagliflozin, 98.50% | 1118567-05-7 Bexagliflozin|C1064305|1118567-05-7 https://www.jk-sci.com/products/s57c1101722 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607803.png?v=1791391403 Acetylmalononitrile, 97.50% | 1187-11-7 Acetylmalononitrile|C1101722|1187-11-7 https://www.jk-sci.com/products/s57c4x-26224 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5f03e19-d527-4378-bfb3-9c154d5bdb8d.png?v=1791368252 Ramelteon Impurity 4, Purity: 99.4% Ramelteon Impurity 4|C4X-26224 https://www.jk-sci.com/products/s57c1174615 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5da84b1ec1b2ffea079944015f45372.jpg?v=1791391312 Alectinib Hydrochloride, 98.40% | 1256589-74-8 Alectinib Hydrochloride|C1174615|1256589-74-8 https://www.jk-sci.com/products/s57c1178084 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369174.png?v=1791391306 Glyceryl trinonate, 98.40% | 126-53-4 Glyceryl trinonate|C1178084|126-53-4 https://www.jk-sci.com/products/s57c1293294 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd48869e9732015c73b84fcf4a3964bc.jpg?v=1791391153 Vericiguat Impurity N dihydrochloride, 96.80% | 1426309-48-9 Vericiguat Impurity N dihydrochloride|C1293294|1426309-48-9 https://www.jk-sci.com/products/j5327107 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bef7d4df5889754884c83fc2e6177a57.jpg?v=1791402062 2,4-Dinitrophenylacetic acid, Purity by HPLC ≥ 98% | 643-43-6 2,4-Dinitrophenylacetic acid|27107|643-43-6 https://www.jk-sci.com/products/s57c1547120 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590116.png?v=1791390713 1-Chloro-4-(3-chloropropyl)benzene, Purity: 100.0% | 64473-34-3 1-Chloro-4-(3-chloropropyl)benzene|C1547120|64473-34-3 https://www.jk-sci.com/products/j5327110 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/033b0b669a61a069343cb764f0a11e75.jpg?v=1791402058 2-Methyl-6-nitrobenzoic acid, Purity by HPLC ≥ 99% | 13506-76-8 2-Methyl-6-nitrobenzoic acid|27110|13506-76-8 https://www.jk-sci.com/products/s57c1710558 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24f96dfa3649fe1a3f760e1409772f7e.jpg?v=1791390395 2-Acetoxy-5-(2-bromoacetyl)benzyl acetate, 97.30% | 24085-07-2 2-Acetoxy-5-(2-bromoacetyl)benzyl acetate|C1710558|24085-07-2 https://www.jk-sci.com/products/s57c1725603 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590848_4c16f3e9-87d3-4db7-8ed5-9dbb56f97332.png?v=1791390356 4-Hydroxy-3-pyridinesulfonic Acid, 96.60% | 51498-37-4 4-Hydroxy-3-pyridinesulfonic Acid|C1725603|51498-37-4 https://www.jk-sci.com/products/j5327103 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/feda4badfccf72723b0105fc755ed6e3.jpg?v=1791402072 4-Methyl-3-nitrobenzyl alcohol, Purity by GC ≥ 99% | 40870-59-5 4-Methyl-3-nitrobenzyl alcohol|27103|40870-59-5 https://www.jk-sci.com/products/j5326541 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522ca92315fa9f28d37b3b86365f917c.jpg?v=1791402931 2-Hydroxy-6-methylquinoline-3-carbaldehyde, Purity by HPLC ≥ 99% | 101382-53-0 2-Hydroxy-6-methylquinoline-3-carbaldehyde|26541|101382-53-0 https://www.jk-sci.com/products/s57c1837607 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589024_07406cbc-010d-4d48-899b-f7b80b32f620.png?v=1791389938 Methyl 2-chloroisonicotinate, Purity: 100.0% | 58481-11-1 Methyl 2-chloroisonicotinate|C1837607|58481-11-1 https://www.jk-sci.com/products/j5325776 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dc60479081526af94f8e46cdae0d297.jpg?v=1791403990 3-(4-Fluorophenyl)propionic acid, Purity by HPLC ≥ 99% | 459-31-4 3-(4-Fluorophenyl)propionic acid|25776|459-31-4 https://www.jk-sci.com/products/s57c1891690 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/673af867807615aca109a7cfd90b6a64.jpg?v=1791389787 6-Methyl-1,3-dihydrofuro[3,4-c]pyridin-7-o, 95.50% | 5196-20-3 6-Methyl-1,3-dihydrofuro[3,4-c]pyridin-7-o|C1891690|5196-20-3 https://www.jk-sci.com/products/s57c3d-2482 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508752_b58322d2-f0e5-4a6b-93d8-7a2f15518d4e.png?v=1791389280 Nα-(5-Fluoro-2,4-dinitrophenyl)-L-alaninamide, Purity: 99.3% | 95713-52-3 Nα-(5-Fluoro-2,4-dinitrophenyl)-L-alaninamide|C3D-2482|95713-52-3 https://www.jk-sci.com/products/j5327098 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db0d5a791837f990c120b2bbd43bea79.jpg?v=1791402078 4-Chloro-3-nitrobenzyl alcohol, Purity by GC ≥ 99% | 55912-20-4 4-Chloro-3-nitrobenzyl alcohol|27098|55912-20-4 https://www.jk-sci.com/products/j5326347 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43d8866b62fdcf34f1604ef8150aca14.jpg?v=1791403200 6-(Hydroxymethyl)pyridine-2-carboxaldehyde, Purity by HPLC ≥ 97% | 39621-11-9 6-(Hydroxymethyl)pyridine-2-carboxaldehyde|26347|39621-11-9 https://www.jk-sci.com/products/j5326455 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebf93f2d02edfa8f88e5b42b29a8c06f.jpg?v=1791403060 Fmoc-AEEP-OH, Assay by titration ≥ 99% || Purity by HPLC ≥ 98% | 872679-70-4 Fmoc-AEEP-OH|26455|872679-70-4 https://www.jk-sci.com/products/j5327085 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2e8bcce097645bce8d73c7c10ee3f32.jpg?v=1791402103 3-Acetylcoumarin, Purity by HPLC ≥ 99% | 3949-36-8 3-Acetylcoumarin|27085|3949-36-8 https://www.jk-sci.com/products/s57c3d-25843 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398250.png?v=1791389245 4-Chloro-3,5-dinitrobenzotrifluoride, 97.90% | 393-75-9 4-Chloro-3,5-dinitrobenzotrifluoride|C3D-25843|393-75-9 https://www.jk-sci.com/products/s57c3d-25917 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0058f23e8e465ec4ed0ebab42d2d1098_1c960480-881e-463b-b079-dd9922a60e67.jpg?v=1791389187 Apramycin Sulfate, 66.80% | 65710-07-8 Apramycin Sulfate|C3D-25917|65710-07-8 https://www.jk-sci.com/products/s57c3d-4143 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06989bd5593e65b9dce65f35df98a7a6_1cabb8a0-980e-4db8-be6d-c2cafbb9067c.jpg?v=1791388623 Sodium 4,4＇-oxybis(butane-1-sulfonate), 98.30% | 183278-30-0 Sodium 4,4＇-oxybis(butane-1-sulfonate)|C3D-4143|183278-30-0 https://www.jk-sci.com/products/s57c4x-262321 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_22a1f607-cf35-4a60-8b10-8f79f9cf4303.png?v=1791368252 Procaine Impurity 21, 95.60% Procaine Impurity 21|C4X-262321 https://www.jk-sci.com/products/s57c4x-10121 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0719d1a6870f718f9129105fecf9cc19.jpg?v=1791387674 Baclofen EP Impurity A, 95.60% | 22518-27-0 Baclofen EP Impurity A|C4X-10121|22518-27-0 https://www.jk-sci.com/products/s57c4x-10132 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83514e31d526a6bc0aac3d5b6a80083d.jpg?v=1791387641 Bicalutamide EP Impurity A, 99.10% | 90357-05-4 Bicalutamide EP Impurity A|C4X-10132|90357-05-4 https://www.jk-sci.com/products/s57c4x-22423 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71d0b0247493e5c6e9829d4ac499a16e.jpg?v=1791370111 Alendronic Acid Impurity 3, 99.40% | 73858-59-0 Alendronic Acid Impurity 3|C4X-22423|73858-59-0 https://www.jk-sci.com/products/s57c4x-22101 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d34480599b93db642b52f8bf8c5bd09e.jpg?v=1791370429 Tiamulin EP Impurity L, 99.60% | 31716-01-5 Tiamulin EP Impurity L|C4X-22101|31716-01-5 https://www.jk-sci.com/products/s57c4x-105665 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596702.png?v=1791386529 Vortioxetine Impurity 65, 95.20% | 18800-53-8 Vortioxetine Impurity 65|C4X-105665|18800-53-8 https://www.jk-sci.com/products/s57c4x-228713 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a7943e42b3dbfd82e7e4895b1fc5ba8.jpg?v=1791369785 Carteolol EP Impurity G, 95.40% | 54945-72-1 Carteolol EP Impurity G|C4X-228713|54945-72-1 https://www.jk-sci.com/products/s57c4x-22605 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a35263fe508d0dc550b36db38132fceb.jpg?v=1791369928 Baricitinib Impurity 5, 96.90% | 2271228-52-3 Baricitinib Impurity 5|C4X-22605|2271228-52-3 https://www.jk-sci.com/products/s57c4x-108539 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f9f7896c9bd3186b215e7cd1460e236.jpg?v=1791385190 Ambroxol Impurity 39, Purity: 96.0% | 1797894-71-3 Ambroxol Impurity 39|C4X-108539|1797894-71-3 https://www.jk-sci.com/products/s57c4x-108995 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402341.png?v=1791384985 Dabigatran Impurity 95, Purity: 97.3% | 3839-35-8 Dabigatran Impurity 95|C4X-108995|3839-35-8 https://www.jk-sci.com/products/s57c4x-23106 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823470750aa51ebb4b0274c0d183e1f2.jpg?v=1791369418 Carbidopa EP Impurity F, 95.20% | 1458640-32-8 Carbidopa EP Impurity F|C4X-23106|1458640-32-8 https://www.jk-sci.com/products/s57c4x-2339 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/786133_c58e2437-6817-4e09-ac63-b7a9c463231d.png?v=1791369342 Rufinamide, Purity: 100.0% | 106308-44-5 Rufinamide|C4X-2339|106308-44-5 https://www.jk-sci.com/products/s57c4x-229718 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_adb7649f-fa37-4d98-8be4-835c11efb2a3.png?v=1791369485 Tegoprazan Impurity 18, Purity: 99.7% | 942485-42-9 Tegoprazan Impurity 18|C4X-229718|942485-42-9 https://www.jk-sci.com/products/s57c4x-23832 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c92d1848dac914f1adfbfee1f5b8864.jpg?v=1791369285 Tenoxicam EP Impurity D, 99.30% | 52781-01-8 Tenoxicam EP Impurity D|C4X-23832|52781-01-8 https://www.jk-sci.com/products/j5326708 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ae9e5967a45be070467808d7c67c0a2.jpg?v=1791402658 (8-Methoxyquinolin-5-yl)boronic acid, Purity ≥ 95% (LCMS) | 1025735-47-0 (8-Methoxyquinolin-5-yl)boronic acid|26708|1025735-47-0 https://www.jk-sci.com/products/s57c4x-1135116 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8de8e299-53f1-413b-933d-80602aa305bd.png?v=1791383257 Olaparib Impurity 116, 95.20% Olaparib Impurity 116|C4X-1135116 https://www.jk-sci.com/products/j5326739 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d3b78e0a2bca982b3ccb423890f3b8f.jpg?v=1791402616 1-Bromo-2,2-dimethoxyethane, Purity by GC ≥ 99% | 7252-83-7 1-Bromo-2,2-dimethoxyethane|26739|7252-83-7 https://www.jk-sci.com/products/j5326663 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/957c2f3d874298a744f63b9e51635d02.jpg?v=1791402728 3-(Allyloxy)benzaldehyde, Purity by HPLC ≥ 98% | 40359-32-8 3-(Allyloxy)benzaldehyde|26663|40359-32-8 https://www.jk-sci.com/products/s57c4x-240935 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/985155f403598883223231e6ac0f697e.jpg?v=1791369104 Lifitegrast Impurity 35, 95.20% | 2295862-29-0 Lifitegrast Impurity 35|C4X-240935|2295862-29-0 https://www.jk-sci.com/products/s57c4x-24058 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88f67e52-d4ae-4e6d-8f74-0df553d724ea.png?v=1791369143 Upadacitinib Impurity 8, 99.20% Upadacitinib Impurity 8|C4X-24058 https://www.jk-sci.com/products/s57c4x-116510 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fea4afa1322f11986b354840223c5fc.jpg?v=1791382519 Dexamethasone EP Impurity J, 90.50% | 2036-77-3 Dexamethasone EP Impurity J|C4X-116510|2036-77-3 https://www.jk-sci.com/products/s57c4x-240536 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a6f4b417-cfe1-41ff-8848-584bc4137ef9.png?v=1791369180 Upadacitinib Impurity 36, 91.70% Upadacitinib Impurity 36|C4X-240536 https://www.jk-sci.com/products/s57c4x-240311 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4a4c0e9df6dceb2a6a12680ab7e7b57.jpg?v=1791369232 Tibolone EP Impurity E, 96.10% | 105186-33-2 Tibolone EP Impurity E|C4X-240311|105186-33-2 https://www.jk-sci.com/products/s57c4x-241610 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bfa0a0d3-eeb0-4ad6-9a44-352572281205.png?v=1791369069 Cenobamate impurity 10, 95.40% Cenobamate impurity 10|C4X-241610 https://www.jk-sci.com/products/s57c4x-116543 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_accc4d92-97da-4835-bf6a-bcda4116617b.png?v=1791382471 Dexamethasone Impurity 43, 97.30% Dexamethasone Impurity 43|C4X-116543 https://www.jk-sci.com/products/s57c4x-241918 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317259_fea012c9-0114-4b58-a9f7-526d5604bca2.png?v=1791369037 Adenosine Triphosphate, Purity: 96.4% | 56-65-5 Adenosine Triphosphate|C4X-241918|56-65-5 https://www.jk-sci.com/products/j5326771 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78bfa864fc907e162bf4a1ed8a6ca1a8.jpg?v=1791402570 9,10-Phenanthrenequinone, Assay ≥ 98% | 84-11-7 9,10-Phenanthrenequinone|26771|84-11-7 https://www.jk-sci.com/products/s57c4x-122221 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c69cf3452c436069a4065c0862b6e2b8.jpg?v=1791381561 Calcipotriol Impurity 21, 94.80% | 143032-85-3 Calcipotriol Impurity 21|C4X-122221|143032-85-3 https://www.jk-sci.com/products/s57c4x-242733 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdc6600346284e6aeb046fc02b1e86a1.jpg?v=1791369001 Piperazine Impurity 33, 99.70% | 2639426-95-0 Piperazine Impurity 33|C4X-242733|2639426-95-0 https://www.jk-sci.com/products/s57c4x-24304 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b010c98ce7d35f268bde7115c224500.jpg?v=1791368934 Perampanel Impurity 4, 99.20% | 380918-53-6 Perampanel Impurity 4|C4X-24304|380918-53-6 https://www.jk-sci.com/products/s57c4x-242937 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76bbc8c94daa89d6bc9b66ee9a4c54a1.jpg?v=1791368974 Relugolix Impurity 37, 97.70% | 1589503-93-4 Relugolix Impurity 37|C4X-242937|1589503-93-4 https://www.jk-sci.com/products/s57c4x-243517 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/426937_97c9699d-403f-4d78-a240-012474caf3a3.png?v=1791368894 Drotaverine Impurity 17, 99.60% | 2050-46-6 Drotaverine Impurity 17|C4X-243517|2050-46-6 https://www.jk-sci.com/products/s57c4x-12242 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6914f60e1c2d6af006e56c2ae82309c4_dd68072e-53fc-4654-aec8-0329d1ff4228.jpg?v=1791381537 Cefradine EP Impurity A/Cefadroxil EP Impurity B, 99.90% | 22252-43-3 Cefradine EP Impurity A/Cefadroxil EP Impurity B|C4X-12242|22252-43-3 https://www.jk-sci.com/products/j5326805 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd13efa5f38c9abf8222eaf39b3e1d7f.jpg?v=1791402521 2-Bromo-4-methylphenol, Purity by GC ≥ 99% | 6627-55-0 2-Bromo-4-methylphenol|26805|6627-55-0 https://www.jk-sci.com/products/ts246cs-0108435 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622874.png?v=1791320281 (R)-1-[(SP)-2-[Bis(4-methoxy-3,5-dimethylphenyl)phosphino]ferrocenyl}ethyldi-tert-butylphosphine, 97.00%+ | 187733-50-2 (R)-1-[(SP)-2-[Bis(4-methoxy-3,5-dimethylphenyl)phosphino]ferrocenyl}ethyldi-tert-butylphosphine|CS-0108435|187733-50-2 https://www.jk-sci.com/products/s57c4x-133913 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c539f1cd286e3f07b6a9b57457eefb9.jpg?v=1791380088 Umeclidinium Impurity 13, 99.00% | 2253743-36-9 Umeclidinium Impurity 13|C4X-133913|2253743-36-9 https://www.jk-sci.com/products/s57c4x-24441 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c41c8cd6ca78a2f74b59dceb642db09e.jpg?v=1791368866 Methocarbamol Impurity 1, 99.50% | 10488-39-8 Methocarbamol Impurity 1|C4X-24441|10488-39-8 https://www.jk-sci.com/products/s57c4x-24586 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5721027-f361-493b-8bbc-045e7973d2b3.png?v=1791368837 Perospirone Impurity 6 HCl, 94.30% Perospirone Impurity 6 HCl|C4X-24586 https://www.jk-sci.com/products/s57c4x-136421 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43482635459b18d7ab44634c3669f0d4.jpg?v=1791379641 Lercanidipine Impurity 21 HCl, 95.40% | 210579-71-8 Lercanidipine Impurity 21 HCl|C4X-136421|210579-71-8 https://www.jk-sci.com/products/s57c4x-2463 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/537623_74e7fa63-1b7d-4597-825a-8a333172602a.png?v=1791368807 Bamethan Hemisulfate Salt, 95.10% | 5716-20-1 Bamethan Hemisulfate Salt|C4X-2463|5716-20-1 https://www.jk-sci.com/products/j5326824 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de46996ea1578aae8f8fb8bc5e12ba1b.jpg?v=1791402498 5-Bromo-2-hydroxybenzoic acid, Purity by HPLC ≥ 98% | 89-55-4 5-Bromo-2-hydroxybenzoic acid|26824|89-55-4 https://www.jk-sci.com/products/s57c4x-246624 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f81524c-7da3-4f07-a2b1-bda28a4cdebe.png?v=1791368797 Labetalol EP Impurity E, 91.50% Labetalol EP Impurity E|C4X-246624 https://www.jk-sci.com/products/s57c4x-246714 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2037e14e-5eb0-4849-b248-e4668e2762c2.png?v=1791368776 Pinaverium Bromide Impurity 14, 99.80% Pinaverium Bromide Impurity 14|C4X-246714 https://www.jk-sci.com/products/s57c4x-13965 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520155.png?v=1791379025 Azelastine EP Impurity E, 99.90% | 20526-97-0 Azelastine EP Impurity E|C4X-13965|20526-97-0 https://www.jk-sci.com/products/s57c4x-246910 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d520962745fa80e508e6ff2c7295b67e.jpg?v=1791368763 Meclofenoxate Impurity 10, 97.70% | 41944-93-8 Meclofenoxate Impurity 10|C4X-246910|41944-93-8 https://www.jk-sci.com/products/s57c4x-247838 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00014d2314ff14ce6754fe6b714d2fb8.jpg?v=1791368747 Lasmiditan HCl, 98.50% | 613677-28-4 Lasmiditan HCl|C4X-247838|613677-28-4 https://www.jk-sci.com/products/s57c1142258 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b878be30205fb224a51ad1e1ea63f190.jpg?v=1791391338 (3R,5R)-3-(Boc-amino)-5-Methylpiperidine, 95.00% | 1227919-32-5 (3R,5R)-3-(Boc-amino)-5-Methylpiperidine|C1142258|1227919-32-5 https://www.jk-sci.com/products/s57c4x-24858 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43455e7e-b678-4726-8490-52951c0ebc15.png?v=1791368731 Evocalcet Impurity 8, 96.60% Evocalcet Impurity 8|C4X-24858 https://www.jk-sci.com/products/s57c1225941 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546908.png?v=1791391240 Menthyl anthranilate, Purity: 100.0% | 134-09-8 Menthyl anthranilate|C1225941|134-09-8 https://www.jk-sci.com/products/s57c4x-24882 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316206_14a34fa2-db03-4142-ae4c-c6a2acce84e5.png?v=1791368702 Glucosamine EP Impurity E, 94.90% | 67-47-0 Glucosamine EP Impurity E|C4X-24882|67-47-0 https://www.jk-sci.com/products/s57c4x-2494130 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca279090ea2d3c3a6df1a2d6bbba8f93.jpg?v=1791368664 Dotinurad Impurity 130, 98.70% | 1368227-41-1 Dotinurad Impurity 130|C4X-2494130|1368227-41-1 https://www.jk-sci.com/products/s57c4x-24939 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e922174565e16f3577ef5a84b2eba305.jpg?v=1791368686 2-[Carboxymethyl(nitroso)amino]acetic acid, 93.30% | 25081-31-6 2-[Carboxymethyl(nitroso)amino]acetic acid|C4X-24939|25081-31-6 https://www.jk-sci.com/products/s57c4x-249424 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73dfaaa8fc843f5e98f12f22f55fc02e.jpg?v=1791368647 Dotinurad Impurity 24, 98.20% | 4433-53-8 Dotinurad Impurity 24|C4X-249424|4433-53-8 https://www.jk-sci.com/products/s57c4x-248738 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f729fe44f390c07f6237f4dba0b90b10.jpg?v=1791368717 Rimegepant Impurity 38, 98.10% | 1373116-05-2 Rimegepant Impurity 38|C4X-248738|1373116-05-2 https://www.jk-sci.com/products/s57c1391398 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56d95c3b26dc3b852cf161ff2460746c.jpg?v=1791390958 2-[(2-Chloro-4-nitrophenoxy)methyl]pyridine, Purity: 100.0% | 179687-79-7 2-[(2-Chloro-4-nitrophenoxy)methyl]pyridine|C1391398|179687-79-7 https://www.jk-sci.com/products/s57c4x-249438 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab9abff3-8800-4c64-b0ed-b15af868df24.png?v=1791368633 Dotinurad Impurity 38, 90.60% Dotinurad Impurity 38|C4X-249438 https://www.jk-sci.com/products/s57c1425520 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aab0376c7b8e91de988259b0c7db7a63.jpg?v=1791390938 ethyl 1-(2-ethoxy-2-oxoethyl)piperidine-4-carboxylate, 95.70% | 1838-39-7 ethyl 1-(2-ethoxy-2-oxoethyl)piperidine-4-carboxylate|C1425520|1838-39-7 https://www.jk-sci.com/products/s57c1492499 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217080_f4d1ebb3-7291-4f00-a117-5cefea64e39e.png?v=1791390832 (R)-2-Methyl Proline | 63399-77-9 (R)-2-Methyl Proline|C1492499|63399-77-9 https://www.jk-sci.com/products/s57c4x-249464 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5655615b-030f-4738-8f63-84e0e1e660a7.png?v=1791368594 Dotinurad Impurity 64, 92.80% Dotinurad Impurity 64|C4X-249464 https://www.jk-sci.com/products/s57c4x-249448 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5bab1a30-a52e-4994-afe9-37b0e10a3df2.png?v=1791368612 Dotinurad Impurity 48, 99.10% Dotinurad Impurity 48|C4X-249448 https://www.jk-sci.com/products/s57c4x-249529 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_83700d6e-1990-4780-8c5d-593a7f3c0d57.png?v=1791368575 Venetoclax Impurity 29, Purity: 100.0% Venetoclax Impurity 29|C4X-249529 https://www.jk-sci.com/products/s57c4x-250325 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47381cc0ffe504c58fb358cf56f18c21.jpg?v=1791368564 5-(Phenylamino)-2,4-Pentadienal, 99.70% | 17432-66-5 5-(Phenylamino)-2,4-Pentadienal|C4X-250325|17432-66-5 https://www.jk-sci.com/products/s57c4x-25035 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593562_5d0e36d9-889a-4e66-b035-951f503f93d3.png?v=1791368546 Indocyanine Green, 92.30% | 3599-32-4 Indocyanine Green|C4X-25035|3599-32-4 https://www.jk-sci.com/products/s57c4x-250339 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5256661d907849c21f900a9aba9e9651.jpg?v=1791368553 Indocyanine Green Impurity 39, Purity: 99.9% | 2589435-65-2 Indocyanine Green Impurity 39|C4X-250339|2589435-65-2 https://www.jk-sci.com/products/j5326855 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf46508fe77272e1edf6cf8f03aed139.jpg?v=1791402451 Benzophenone, Assay ≥ 99.5% | 119-61-9 Benzophenone|26855|119-61-9 https://www.jk-sci.com/products/s57c1528689 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dce5248832186bca72509d282a631bf1.jpg?v=1791390758 1-(Piperidin-2-yl)propan-2-one hydrochloride, Purity: 100.0% | 5984-61-2 1-(Piperidin-2-yl)propan-2-one hydrochloride|C1528689|5984-61-2 https://www.jk-sci.com/products/s57c4x-2507 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efeb8bca11a8ed8d23289af44c051c26_10719628-a5cc-4eae-ab11-6c2bc72e79ef.jpg?v=1791368540 Salcaprozate Sodium, 94.70% | 203787-91-1 Salcaprozate Sodium|C4X-2507|203787-91-1 https://www.jk-sci.com/products/s57c4x-25082 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343587_32e15678-e32b-4f55-9c5f-82e52b64a715.png?v=1791368535 Maropitant Impurty 2(M11), Purity: 98.9% | 85943-26-6 Maropitant Impurty 2(M11)|C4X-25082|85943-26-6 https://www.jk-sci.com/products/s57c1620002 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9de73a492426aaf9105833c174a4494e.jpg?v=1791390549 2-Chloro-1-propanamine Hydrochloride, 98.10% | 6266-35-9 2-Chloro-1-propanamine Hydrochloride|C1620002|6266-35-9 https://www.jk-sci.com/products/s57c1630962 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/107719.png?v=1791390532 3-Hydroxy-1-methylpyrrolidine-2,5-dione, Purity: 99.8% | 19948-27-7 3-Hydroxy-1-methylpyrrolidine-2,5-dione|C1630962|19948-27-7 https://www.jk-sci.com/products/s57c1634403 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_72076658-c430-4c3d-b321-11f6f55c0562.png?v=1791390521 2-Methyl-3H-benzo[e]indole, Purity: 99.6% | 57582-31-7 2-Methyl-3H-benzo[e]indole|C1634403|57582-31-7 https://www.jk-sci.com/products/s57c4x-25191 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fa01d824228807969cfaeba2a17984f_77948be8-7744-41d5-aa69-501875e91ca6.jpg?v=1791368525 Ensitrelvir Impurity 1, 99.80% | 1360105-53-8 Ensitrelvir Impurity 1|C4X-25191|1360105-53-8 https://www.jk-sci.com/products/j5326876 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28eec7afdb07e2a57d3c1cbaf9008547.jpg?v=1791402412 5-Bromo-2-methoxybenzaldehyde, Purity by HPLC ≥ 98% | 25016-01-7 5-Bromo-2-methoxybenzaldehyde|26876|25016-01-7 https://www.jk-sci.com/products/s57c4x-252012 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_63954dba-8ac1-4df4-b5ef-e059c6adbdf7.png?v=1791368505 Pitolisant impurity 12, 97.20% Pitolisant impurity 12|C4X-252012 https://www.jk-sci.com/products/s57c4x-2520 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d479d9df3a3f82685b986a5aeed0b2f8.jpg?v=1791368511 Pitolisant, 96.60% | 362665-56-3 Pitolisant|C4X-2520|362665-56-3 https://www.jk-sci.com/products/s57c4x-2535 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fec866585bfd16d2270cabb83a08b04_297d1ce3-b75e-491d-8fc4-6995ccc3e3c3.jpg?v=1791368456 Cryptochlorogenic Acid, 80.90% | 905-99-7 Cryptochlorogenic Acid|C4X-2535|905-99-7 https://www.jk-sci.com/products/s57c4x-25209 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d458af3c-5fa0-4759-9098-2271acc28bfb.png?v=1791368464 Pitolisant impurity 9, 97.70% Pitolisant impurity 9|C4X-25209 https://www.jk-sci.com/products/s57c4x-252018 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f04dcf5-0abf-4802-84b4-e4a6b6ab874f.png?v=1791368496 Pitolisant impurity 18, 96.80% Pitolisant impurity 18|C4X-252018 https://www.jk-sci.com/products/s57c4x-252025 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63102ea013dd9cefdc41f6b990d0b805.jpg?v=1791368486 Pitolisant impurity 25, 96.70% | 2307451-04-1 Pitolisant impurity 25|C4X-252025|2307451-04-1 https://www.jk-sci.com/products/s57c4x-25203 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_abe64dce-ff70-41a6-9933-0b5b3e66629e.png?v=1791368480 Pitolisant impurity 3, 92.00% Pitolisant impurity 3|C4X-25203 https://www.jk-sci.com/products/s57c4x-253619 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dd0e7a9b6339aa71eefc89e01175235.jpg?v=1791368452 L-Ornithine L-Aspartate Impurity 19, Purity: 100.0% | 60259-82-7 L-Ornithine L-Aspartate Impurity 19|C4X-253619|60259-82-7 https://www.jk-sci.com/products/s57c1653819 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114213.png?v=1791390503 3-(Aminomethyl)benzoic Acid Hydrochloride, 96.50% | 876-03-9 3-(Aminomethyl)benzoic Acid Hydrochloride|C1653819|876-03-9 https://www.jk-sci.com/products/j5326901 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f64b2af0af17ade5e80a1a22f077cfe1.jpg?v=1791402388 Chlorocyclohexane, Purity by GC ≥ 98% | 542-18-7 Chlorocyclohexane|26901|542-18-7 https://www.jk-sci.com/products/s57c1796878 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7bd91252967352aded8a38cf03651e7.jpg?v=1791390184 Decarboxy carnosine DiHCl | 57022-38-5 Decarboxy carnosine DiHCl|C1796878|57022-38-5 https://www.jk-sci.com/products/s57c4x-25205 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_08df484c-b416-46e5-bbf1-ebf84dcb9324.png?v=1791368469 Pitolisant impurity 5, 97.40% Pitolisant impurity 5|C4X-25205 https://www.jk-sci.com/products/s57c1850018 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec7a3b0272575586bf04c6c11448fe45.jpg?v=1791389899 Sultopride, Purity: 99.8% | 53583-79-2 Sultopride|C1850018|53583-79-2 https://www.jk-sci.com/products/s57c3d-2396 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513977_db992540-69b7-46dd-bcb4-1400b48fe71e.png?v=1791389291 1-Phenyl-1-propanol, 97.60% | 93-54-9 1-Phenyl-1-propanol|C3D-2396|93-54-9 https://www.jk-sci.com/products/s57c4x-25372 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612250_191024d7-a9e4-4263-bbaf-1be05239273c.png?v=1791368431 Ammonium Glycyrrhizate, 91.30% | 53956-04-0 Ammonium Glycyrrhizate|C4X-25372|53956-04-0 https://www.jk-sci.com/products/s57c4x-25365 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a187fe5ef1846d2594703babcf12be85.jpg?v=1791368441 L-Ornithine L-Aspartate Impurity 6, 90.20% | 1174925-92-8 L-Ornithine L-Aspartate Impurity 6|C4X-25365|1174925-92-8 https://www.jk-sci.com/products/s57c4x-25512 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243723_d9b5ec57-23bc-4f90-a948-251788c2ac95.png?v=1791368425 D-Glucose monohydrate, 99.00% | 14431-43-7 D-Glucose monohydrate|C4X-25512|14431-43-7 https://www.jk-sci.com/products/s57c4x-25534 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/291315_d2b27eaf-5d2d-4c9c-9018-46c2499878f5.png?v=1791368417 2-Methyl-2-imidazoline, Purity: 100.0% | 534-26-9 2-Methyl-2-imidazoline|C4X-25534|534-26-9 https://www.jk-sci.com/products/s57c4x-25623 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fa3b7b1dbb7ca6bb83be965be63dd69.jpg?v=1791368401 5-oxo-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate Disodium Salt, 90.30% | 3473-75-4 5-oxo-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate Disodium Salt|C4X-25623|3473-75-4 https://www.jk-sci.com/products/s57c4x-25553 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0980a870-4d56-498c-9287-893384ccf25b.png?v=1791368407 Bicyclic Chinese Pharmacopoeia Impurity 2, 98.10% Bicyclic Chinese Pharmacopoeia Impurity 2|C4X-25553 https://www.jk-sci.com/products/s57c3d-4457 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296317_7abc0b1e-dcca-403f-b30f-9785d5009562.png?v=1791388528 4-Methyloctane, Purity: 100.0% | 2216-34-4 4-Methyloctane|C3D-4457|2216-34-4 https://www.jk-sci.com/products/s57c3d-6170 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31546ed60c4c3b2152dc92724ae657c9.jpg?v=1791388020 [1,1'-Biphenyl]-3-yl(phenyl)methanone, Purity: 99.6% | 3378-09-4 [1,1'-Biphenyl]-3-yl(phenyl)methanone|C3D-6170|3378-09-4 https://www.jk-sci.com/products/s57c4x-104340 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/123765.png?v=1791386903 Celecoxib Impurity 40, Purity: 100.0% | 4392-54-5 Celecoxib Impurity 40|C4X-104340|4392-54-5 https://www.jk-sci.com/products/s57c4x-25693 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a122468-bb4c-4cd4-b72e-5562d8a0140f.png?v=1791368393 Paraben Impurity 3, 95.80% Paraben Impurity 3|C4X-25693 https://www.jk-sci.com/products/s57c4x-106314 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5b65b3dfad49036565b72af096f173.jpg?v=1791386298 Edoxaban Impurity 14, 87.00% | 2244103-96-4 Edoxaban Impurity 14|C4X-106314|2244103-96-4 https://www.jk-sci.com/products/s57c4x-25833 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435076_47eebdb2-d37d-4787-8da3-bcc0767bd3ef.png?v=1791368368 Phenylbutyrate EP Impurity B, 97.10% | 529-34-0 Phenylbutyrate EP Impurity B|C4X-25833|529-34-0 https://www.jk-sci.com/products/s57c4x-258316 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7830d8b4-1ab5-4565-aa3e-59d557707a25.png?v=1791368373 Phenylbutyrate Impurity 16, Purity: 97.3% Phenylbutyrate Impurity 16|C4X-258316 https://www.jk-sci.com/products/s57c4x-25791 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326563_954f29ae-3964-4570-bbdc-0cb4732ad816.png?v=1791368385 4-Aminobenzyl Alcohol, Purity: 99.5% | 623-04-1 4-Aminobenzyl Alcohol|C4X-25791|623-04-1 https://www.jk-sci.com/products/s57c4x-107142 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c77da708da8ff63a27518b167722b304.jpg?v=1791385908 Axitinib Impurity 42, 96.70% | 808142-24-7 Axitinib Impurity 42|C4X-107142|808142-24-7 https://www.jk-sci.com/products/s57c4x-25961 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315965_3f8c5ef8-3c10-437a-8a74-c826a19ba433.png?v=1791368362 1-(Chloromethyl)naphthalene, 99.50% | 86-52-2 1-(Chloromethyl)naphthalene|C4X-25961|86-52-2 https://www.jk-sci.com/products/s57c4x-10852 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90062d92377cf6065e1959a0db91d84f.jpg?v=1791385208 Ambroxol EP Impurity B, 92.10% | 18683-95-9 Ambroxol EP Impurity B|C4X-10852|18683-95-9 https://www.jk-sci.com/products/s57c4x-2606 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60f9e41b6d5ffda5f932543270f46701.jpg?v=1791368354 Pretomanid, 99.50% | 187235-37-6 Pretomanid|C4X-2606|187235-37-6 https://www.jk-sci.com/products/s57c4x-26083 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/503618_af9e1151-1005-4f9d-b8f4-e1ffa7bf0fe1.png?v=1791368339 2'-Fluoro-6'-hydroxyacetophenone, 99.00% | 93339-98-1 2'-Fluoro-6'-hydroxyacetophenone|C4X-26083|93339-98-1 https://www.jk-sci.com/products/s57c4x-26067 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c1f5244-21f1-4412-855f-c4c51c95fe57.png?v=1791368348 Pretomanid Impurity 7, 97.40% Pretomanid Impurity 7|C4X-26067 https://www.jk-sci.com/products/j5326913 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/085437294d87eab1616b396de0faff14.jpg?v=1791402372 1,1-Diphenylethanol, Purity by GC ≥ 97% | 599-67-7 1,1-Diphenylethanol|26913|599-67-7 https://www.jk-sci.com/products/s57c4x-26088 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317508_a40c4de8-f79c-42b4-b4bd-7604a8edd749.png?v=1791368333 5-Fluoro-2-hydroxyphenyl(methyl) ketone, 98.50% | 394-32-1 5-Fluoro-2-hydroxyphenyl(methyl) ketone|C4X-26088|394-32-1 https://www.jk-sci.com/products/s57c4x-262110 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_38a14f7a-c3b1-4189-8815-5c1d469df054.png?v=1791368307 Landiolol Impurity 10, 97.20% Landiolol Impurity 10|C4X-262110 https://www.jk-sci.com/products/s57c4x-260915 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b61a0e0a92201a88163c62ee3a51454.jpg?v=1791368329 Ethacridine Lactate Impurity 15, 98.90% | 74859-51-1 Ethacridine Lactate Impurity 15|C4X-260915|74859-51-1 https://www.jk-sci.com/products/s57c4x-262133 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_957e1d18-e21e-4fed-8cb4-389885cefda9.png?v=1791368301 Landiolol Impurity 33, Purity: 97.9% Landiolol Impurity 33|C4X-262133 https://www.jk-sci.com/products/s57c4x-26181 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6125fb55-c04f-4d4c-956c-2139183e7121.png?v=1791368317 Gadoxetate Impurity 1, 89.80% Gadoxetate Impurity 1|C4X-26181 https://www.jk-sci.com/products/s57c4x-262149 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eec59a1f-0e14-4053-a7dd-fbf323fd634c.png?v=1791368291 Landiolol Impurity 49, Purity: 99.5% Landiolol Impurity 49|C4X-262149 https://www.jk-sci.com/products/s57c4x-26218 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5ca97b4-53f4-4778-b006-706927f6878e.png?v=1791368277 Landiolol Impurity 8 HCl, 94.60% Landiolol Impurity 8 HCl|C4X-26218 https://www.jk-sci.com/products/s57c4x-26228 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4722060f-029d-4b81-a751-a015bbcefb87.png?v=1791368252 Ramelteon Impurity 8, 98.70% Ramelteon Impurity 8|C4X-26228 https://www.jk-sci.com/products/s57c4x-115569 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57bbdc01-6854-4756-8434-83a446bc490c.png?v=1791382745 Sitafloxacin Impurity 69, 81.00% Sitafloxacin Impurity 69|C4X-115569 https://www.jk-sci.com/products/s57c4x-26221 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/751832f5301e74ebeafd32af1e1cc4dd.jpg?v=1791368269 Ramelteon Metabolite M-II, 97.50% | 896736-21-3 Ramelteon Metabolite M-II|C4X-26221|896736-21-3 https://www.jk-sci.com/products/s57c4x-262215 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b2aee64817cde30c1a47120f5515b13.jpg?v=1791368261 Ramelteon Impurity 15, Purity: 99.7% | 880152-61-4 Ramelteon Impurity 15|C4X-262215|880152-61-4 https://www.jk-sci.com/products/s57c4x-26234 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_614153cb-4512-4a1c-b4f4-ecc71fe0c5d3.png?v=1791368243 Procaine Impurity 4 HCl, 98.10% Procaine Impurity 4 HCl|C4X-26234 https://www.jk-sci.com/products/s57c4x-116942 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9540e90336fb1ba98556aa2bc1a62f55.jpg?v=1791382318 Rosuvastatin Impurity 42, 99.20% | 851443-04-4 Rosuvastatin Impurity 42|C4X-116942|851443-04-4 https://www.jk-sci.com/products/j5326942 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33682a863ccb80234fd2512a2f2a6fd3.jpg?v=1791402322 3-Furancarboxylic acid, Purity by HPLC ≥ 99% | 488-93-7 3-Furancarboxylic acid|26942|488-93-7 https://www.jk-sci.com/products/s57c4x-26281 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360664_32948190-3e24-42bc-9710-058fcc2df6a9.png?v=1791368237 Methyl 6-Hydroxy-2-naphthoate, 98.50% | 17295-11-3 Methyl 6-Hydroxy-2-naphthoate|C4X-26281|17295-11-3 https://www.jk-sci.com/products/s57c4x-12342 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920192_f2e78fa9-59d3-4b7d-aadf-c1b6dcc3540b.png?v=1791381414 Candesartan Cilexetil EP Impurity B, 95.70% | 869631-11-8 Candesartan Cilexetil EP Impurity B|C4X-12342|869631-11-8 https://www.jk-sci.com/products/s57c4x-26283 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385523_c79b4a0b-d7b2-4d53-86e9-01adab580f51.png?v=1791368231 4-Guanidinobenzoic acid hydrochloride, 99.30% | 42823-46-1 4-Guanidinobenzoic acid hydrochloride|C4X-26283|42823-46-1 https://www.jk-sci.com/products/s57c4x-124455 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31851acb71fd91c111d57f68d7234b47.jpg?v=1791381086 Quetiapine Impurity 55, Purity: 99.5% | 54920-98-8 Quetiapine Impurity 55|C4X-124455|54920-98-8 https://www.jk-sci.com/products/s57c4x-13011 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fee8cd82c96b6adbc153446230366e5.jpg?v=1791380578 Desonide Impurity 1(Desonide 9, 11-Epoxide), 97.30% | 39672-75-8 Desonide Impurity 1(Desonide 9, 11-Epoxide)|C4X-13011|39672-75-8 https://www.jk-sci.com/products/s57c4x-26341 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117840.png?v=1791368227 Sodium DL-Lactate, 92.60% | 72-17-3 Sodium DL-Lactate|C4X-26341|72-17-3 https://www.jk-sci.com/products/s57c4x-131250 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d34213be-0a9d-4b76-ad27-e514a2b4c63b.png?v=1791380477 Pregabalin Impurity 50, 94.70% Pregabalin Impurity 50|C4X-131250 https://www.jk-sci.com/products/s57c4x-15177 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313217_b7c05e8c-9104-4211-990f-485affbba2a1.png?v=1791376972 Glycopyrronium Bromide EP Impurity H, 97.90% | 15206-55-0 Glycopyrronium Bromide EP Impurity H|C4X-15177|15206-55-0 https://www.jk-sci.com/products/s57c4x-26381 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563fa00acd3b3474aa04524f862d9e09.jpg?v=1791368227 Ethoxysulfonyl Chloride, 92.10% | 625-01-4 Ethoxysulfonyl Chloride|C4X-26381|625-01-4 https://www.jk-sci.com/products/s57c4x-263914 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d98e322208d568da862e8068e9b5214.jpg?v=1791368221 Butoxybenzene Impurity 14, 99.60% | 4006-70-6 Butoxybenzene Impurity 14|C4X-263914|4006-70-6 https://www.jk-sci.com/products/s57c4x-15183 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b76c47ae-a3f4-4427-b737-6a0ffc259094.png?v=1791376953 N-(2-aminoethyl)-5-(1,2-dithiolan-3-yl)pentanamide hydrochloride, 97.70% N-(2-aminoethyl)-5-(1,2-dithiolan-3-yl)pentanamide hydrochloride|C4X-15183 https://www.jk-sci.com/products/s57c4x-26394 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578268.png?v=1791368216 1-(4-butoxyphenyl)ethanone, 98.10% | 5736-89-0 1-(4-butoxyphenyl)ethanone|C4X-26394|5736-89-0 https://www.jk-sci.com/products/s57c4x-2640 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122980.png?v=1791368215 flufenamic acid, 99.30% | 530-78-9 flufenamic acid|C4X-2640|530-78-9 https://www.jk-sci.com/products/s57c4x-26425 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_170d1cc1-05dc-430d-88dd-9163034b7570.png?v=1791368210 Vinorelbine EP Impurity D, 91.40% Vinorelbine EP Impurity D|C4X-26425 https://www.jk-sci.com/products/s57c4x-26471 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce0dce5047626a413881c249bb73433c.jpg?v=1791368206 Monomethyl Auristatin F, 94.50% | 745017-94-1 Monomethyl Auristatin F|C4X-26471|745017-94-1 https://www.jk-sci.com/products/s57c1025852 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/280138_6cd631df-0102-4e40-8d1e-87ae8da49fa3.png?v=1791391532 Prilocaine Impurity 01, 99.60% | 103-89-9 Prilocaine Impurity 01|C1025852|103-89-9 https://www.jk-sci.com/products/s57c4x-27441 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/280853.png?v=1791368205 Dantrolene Impurity 1, 99.90% | 7147-77-5 Dantrolene Impurity 1|C4X-27441|7147-77-5 https://www.jk-sci.com/products/s57c4x-27467 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dcb025eb-bcdb-42fd-a774-c40b067486b6.png?v=1791368193 N-Nitroso Bambuterol, 97.00% N-Nitroso Bambuterol|C4X-27467 https://www.jk-sci.com/products/s57c1115911 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/583b7534c7ebb92a6b19ff1b6aa80999.jpg?v=1791391364 Tazobactam USP Related Compound A, 100.00% | 118175-11-4 Tazobactam USP Related Compound A|C1115911|118175-11-4 https://www.jk-sci.com/products/s57c4x-2747 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/287744_4bb7bf6f-9f39-486e-b042-9ce6612f7fbc.png?v=1791368195 Gemifloxacin Mesylate, Purity: 99.3% | 210353-53-0 Gemifloxacin Mesylate|C4X-2747|210353-53-0 https://www.jk-sci.com/products/s57c4x-27487 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43b0db0308dab0fe29ad15fcd46e8c43.jpg?v=1791368189 Tetrabenazine Impurity 7, 93.40% | 1187-87-7 Tetrabenazine Impurity 7|C4X-27487|1187-87-7 https://www.jk-sci.com/products/s57c4x-2749 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a93cae650aef5671dd89c3effa9efdc7.jpg?v=1791368184 Apalutamide, 99.80% | 956104-40-8 Apalutamide|C4X-2749|956104-40-8 https://www.jk-sci.com/products/s57c1348454 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598d67cc3698d4635ba116e33ee8d402.jpg?v=1791391043 Cycloserine Impurity N1, 87.70% | 15996-22-2 Cycloserine Impurity N1|C1348454|15996-22-2 https://www.jk-sci.com/products/j5326969 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d92a6509aebd7378a57eb41f593756ee.jpg?v=1791402291 2-(1-Piperazinyl)anisole, Purity by GC ≥ 98% | 35386-24-4 2-(1-Piperazinyl)anisole|26969|35386-24-4 https://www.jk-sci.com/products/s57c1416974 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7245b2661db9a29adfa000e6f22e2d7.jpg?v=1791390949 8-Fluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol, 96.40% | 1820001-80-6 8-Fluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol|C1416974|1820001-80-6 https://www.jk-sci.com/products/s57c4x-274911 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa56f5627cb0dfd0722afd2efb939359.jpg?v=1791368183 Apalutamide Impurity 11, 97.00% | 1332391-92-0 Apalutamide Impurity 11|C4X-274911|1332391-92-0 https://www.jk-sci.com/products/j5327017 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2374e0e96631f7b634fbced66d1d6bbc.jpg?v=1791402204 2-Methoxypyridine, Purity by GC ≥ 99% | 1628-89-3 2-Methoxypyridine|27017|1628-89-3 https://www.jk-sci.com/products/j5326996 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2820fe8a6b1e3bbc6fe1434694d89228.jpg?v=1791402255 4-Methoxypyridine N-oxide, Assay ≥ 99% | 1122-96-9 4-Methoxypyridine N-oxide|26996|1122-96-9 https://www.jk-sci.com/products/j5327037 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54e914ba2f2b4d518413199c12792094.jpg?v=1791402173 2-Amino-6-methylpyridine, Purity by GC ≥ 99% | 1824-81-3 2-Amino-6-methylpyridine|27037|1824-81-3 https://www.jk-sci.com/products/s57c1591100 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eaf9a0a44b165f80cb9af628ddc49fb.jpg?v=1791390650 2-(tert-Butyl)-1,4-dimethoxybenzene, 99.10% | 21112-37-8 2-(tert-Butyl)-1,4-dimethoxybenzene|C1591100|21112-37-8 https://www.jk-sci.com/products/j5327052 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71ade58462e9dfb3fb6fe7b573786446.jpg?v=1791402149 3-Picoline, Purity by GC ≥ 99.5% | 108-99-6 3-Picoline|27052|108-99-6 https://www.jk-sci.com/products/s57c1596418 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380425_99b9ab15-99c8-4e0b-b621-97fe482586cf.png?v=1791390634 2,3-Dichloropropanoyl chloride, 86.90% | 7623-13-4 2,3-Dichloropropanoyl chloride|C1596418|7623-13-4 https://www.jk-sci.com/products/s57c1598749 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4d43ef69328c60dba67fd8e1952a02f.jpg?v=1791390619 2,4-Dichloro-5-methylbenzoic acid, 96.40% | 6660-59-9 2,4-Dichloro-5-methylbenzoic acid|C1598749|6660-59-9 https://www.jk-sci.com/products/s57c1676555 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a407dd4647eb9ef403f1632546b6fdf7.jpg?v=1791390441 Trametinib impurity 02, 99.20% | 871700-32-2 Trametinib impurity 02|C1676555|871700-32-2 https://www.jk-sci.com/products/j5327075 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eeffbd63c9659c3d13779b4ff78a825b.jpg?v=1791402113 b-D-Glucosamine pentaacetate, Purity by HPLC ≥ 98% | 7772-79-4 b-D-Glucosamine pentaacetate|27075|7772-79-4 https://www.jk-sci.com/products/s57c1825122 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213124.png?v=1791390026 Gliclazide Impurity 1, 98.40% | 58108-05-7 Gliclazide Impurity 1|C1825122|58108-05-7 https://www.jk-sci.com/products/s57c4x-274918 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1dc652a0-76b0-46a4-9804-e596690c3d9d.png?v=1791368173 Apalutamide Impurity 18, 95.00% Apalutamide Impurity 18|C4X-274918 https://www.jk-sci.com/products/s57c1912838 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534905.png?v=1791389669 2-Bromo-2-methylpropanoic acid, 97.40% | 2052-01-9 2-Bromo-2-methylpropanoic acid|C1912838|2052-01-9 https://www.jk-sci.com/products/s57c3d-25890 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120121.png?v=1791389206 3-Fluorobenzyl Cyanide, Purity: 98.5% | 501-00-8 3-Fluorobenzyl Cyanide|C3D-25890|501-00-8 https://www.jk-sci.com/products/s57c4x-274936 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87df9920-4d5b-45de-9477-1ef7b174fbfb.png?v=1791368170 Apalutamide Impurity 36, 97.10% Apalutamide Impurity 36|C4X-274936 https://www.jk-sci.com/products/j5327099 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba9cbc8017e83a8495c349bc1b2f1458.jpg?v=1791402078 2-Iodo-1-nitrobenzene, Purity by GC ≥ 99% | 609-73-4 2-Iodo-1-nitrobenzene|27099|609-73-4 https://www.jk-sci.com/products/s57c3d-2811 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/528554.png?v=1791388958 Fmoc-OSu, 95.10% | 82911-69-1 Fmoc-OSu|C3D-2811|82911-69-1 https://www.jk-sci.com/products/s57c4x-274938 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93d97d40-6f01-4bac-8f48-49e3bfa60054.png?v=1791368165 Apalutamide Impurity 38, 98.00% Apalutamide Impurity 38|C4X-274938 https://www.jk-sci.com/products/s57c3d-4447 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609875.png?v=1791388529 Octaethylene Glycol Monotetradecyl Ether, 98.50% | 27847-86-5 Octaethylene Glycol Monotetradecyl Ether|C3D-4447|27847-86-5 https://www.jk-sci.com/products/s57c3d-4656 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130448.png?v=1791388489 3-Mercaptopropionic Acid, 94.80% | 107-96-0 3-Mercaptopropionic Acid|C3D-4656|107-96-0 https://www.jk-sci.com/products/s57c3d-5995 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796322_8a3b9940-8158-46c5-83a4-4b4782f1cb12.png?v=1791388093 3,5-Dioxocyclohexanecarboxylicacid, Purity: 99.7% | 42858-60-6 3,5-Dioxocyclohexanecarboxylicacid|C3D-5995|42858-60-6 https://www.jk-sci.com/products/s57c3d-6128 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417879_e6e426c7-ac23-418e-a7d6-4c9c522b4533.png?v=1791388035 Diethylene glycol Mono-Methacrylate, 92.20% | 2351-43-1 Diethylene glycol Mono-Methacrylate|C3D-6128|2351-43-1 https://www.jk-sci.com/products/s57c4x-274954 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3509ffa04cdea37fae599476583a71cb.jpg?v=1791368165 Apalutamide Impurity 54, Purity: 98.6% | 1332389-57-7 Apalutamide Impurity 54|C4X-274954|1332389-57-7 https://www.jk-sci.com/products/s57c4x-1007 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427629_9c66eac8-b33d-40a5-af43-9454a04c0031.png?v=1791387848 Argatroban, 99.80% | 141396-28-3 Argatroban|C4X-1007|141396-28-3 https://www.jk-sci.com/products/s57c4x-101721 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d9611a558fb4bac25b14d7e12a4db6e_9945b667-3bf8-4520-a502-042dcd49ca90.jpg?v=1791387586 Vardenafil Impurity 21, Purity: 98.7% | 927690-90-2 Vardenafil Impurity 21|C4X-101721|927690-90-2 https://www.jk-sci.com/products/s57c4x-274963 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a208eb52207ddc5c226581966effacd8.jpg?v=1791368160 Apalutamide Impurity 63, 98.90% | 199330-60-4 Apalutamide Impurity 63|C4X-274963|199330-60-4 https://www.jk-sci.com/products/j5327109 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8a92b7d0fd0d8de9a2a90f397ecf571.jpg?v=1791402062 2-Cyano-3-methylnitrobenzene, Purity by GC ≥ 99% | 1885-76-3 2-Cyano-3-methylnitrobenzene|27109|1885-76-3 https://www.jk-sci.com/products/s57c4x-105565 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2be0312b-603e-43dd-a268-4ff560620659.png?v=1791386600 Topiroxostat Impurity 65, Purity: 97.5% Topiroxostat Impurity 65|C4X-105565 https://www.jk-sci.com/products/s57c4x-274972 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d72594f4eb79d000581575aa97fd838d.jpg?v=1791368155 Apalutamide Impurity 72, Purity: 99.7% | 1950587-19-5 Apalutamide Impurity 72|C4X-274972|1950587-19-5 https://www.jk-sci.com/products/j5327132 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c82ad4418445b543f4a784de7a4efcc.jpg?v=1791402032 2-Fluoroaniline, Purity by GC ≥ 99% | 348-54-9 2-Fluoroaniline|27132|348-54-9 https://www.jk-sci.com/products/s57c4x-106538 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c8e110816c66bbbd47f7d4be957ae91.jpg?v=1791386107 Empagliflozin Impurity 38, 92.60% | 2125472-55-9 Empagliflozin Impurity 38|C4X-106538|2125472-55-9 https://www.jk-sci.com/products/s57c4x-108323 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb52a5affa08a97b185ce602d6b34aed.jpg?v=1791385325 rac Cetirizine N-Oxide (Mixture of Diastereomers), 90.10% | 1076199-80-8 rac Cetirizine N-Oxide (Mixture of Diastereomers)|C4X-108323|1076199-80-8 https://www.jk-sci.com/products/j5327141 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70f8a3c474a07e4d71aa542d2afb5ca0.jpg?v=1791402013 3-Aminophenylboronic acid, Purity ≥ 99% (LC) | 280563-63-5 3-Aminophenylboronic acid|27141|280563-63-5 https://www.jk-sci.com/products/s57c4x-1087 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276530_3aa94c62-68af-4a46-9027-49b5dcc61272.png?v=1791385158 Tadalafil, 98.20% | 171596-29-5 Tadalafil|C4X-1087|171596-29-5 https://www.jk-sci.com/products/s57c4x-27499 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf8cafb6ef1fc67946755a5d6d630583.jpg?v=1791368154 Apalutamide Impurity 9, 97.60% | 2894796-78-0 Apalutamide Impurity 9|C4X-27499|2894796-78-0 https://www.jk-sci.com/products/j5327145 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e02acd5034e2a6be48b770fd4440911.jpg?v=1791402003 3-Benzyloxyaniline, Purity by GC ≥ 99% | 1484-26-0 3-Benzyloxyaniline|27145|1484-26-0 https://www.jk-sci.com/products/j5327169 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2394d909a11a2448ae0063182c2226f2.jpg?v=1791401965 N-Phenyl-3-methoxyaniline, Purity by GC ≥ 99% | 101-16-6 N-Phenyl-3-methoxyaniline|27169|101-16-6 https://www.jk-sci.com/products/s57c4x-124825 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b05de93fef2874bd2d3d63bc96e48e7.jpg?v=1791380969 Valaciclovir EP Impurity C(hydrochloride), Purity: 97.9% | 1346617-39-7 Valaciclovir EP Impurity C(hydrochloride)|C4X-124825|1346617-39-7 https://www.jk-sci.com/products/j5327174 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95666e0007ba2626b760e19ea59c1895.jpg?v=1791401948 Benzoic acid methyl ester, Purity by GC ≥ 98.5% | 93-58-3 Benzoic acid methyl ester|27174|93-58-3 https://www.jk-sci.com/products/j5327179 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc7e8797979c3750356bd35cef7549d.jpg?v=1791401938 2,2-Dimethoxypropane, Purity by GC ≥ 98% | 77-76-9 2,2-Dimethoxypropane|27179|77-76-9 https://www.jk-sci.com/products/s57c4x-125287 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1820f242-d386-40d8-8d5f-43bf14f2b808.png?v=1791380900 Perindopril Impurity 87 t-Butylamine, Purity: 96.6% Perindopril Impurity 87 t-Butylamine|C4X-125287 https://www.jk-sci.com/products/s57c4x-13622 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48847ae882d93634cdda4f787f5d1474.jpg?v=1791379666 Ciprofloxacin EP Impurity B(HCl), 92.40% | 2727369-47-1 Ciprofloxacin EP Impurity B(HCl)|C4X-13622|2727369-47-1 https://www.jk-sci.com/products/s57c4x-13711 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b77ad3c45b5c32e2ca6a6f67b29c6710.jpg?v=1791379499 Levofloxacin Desethylene Diformyl Impurity, 93.50% | 151377-74-1 Levofloxacin Desethylene Diformyl Impurity|C4X-13711|151377-74-1 https://www.jk-sci.com/products/s57c4x-151814 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823c9b7c08a32bdcb745e50a0f0f3eb4.jpg?v=1791376966 Thioctic Acid ethyl ester, 98.20% | 46353-61-1 Thioctic Acid ethyl ester|C4X-151814|46353-61-1 https://www.jk-sci.com/products/j5327194 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f0a1489795ed07e1f01a53ee9ec12af.jpg?v=1791401912 4,4-Dimethoxy-2-butanone, Purity by GC ≥ 92% | 5436-21-5 4,4-Dimethoxy-2-butanone|27194|5436-21-5 https://www.jk-sci.com/products/j5327223 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59f668c7a53cc4154e47bce6c6732650.jpg?v=1791401858 4-Octyne, Purity by GC ≥ 98% | 1942-45-6 4-Octyne|27223|1942-45-6 https://www.jk-sci.com/products/j5327184 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/494d8a2f0696bb9afd668c94c5d0cb9c.jpg?v=1791401933 3-Methacryloxypropyltrimethoxysilane, Assay 98 - 100% | 2530-85-0 3-Methacryloxypropyltrimethoxysilane|27184|2530-85-0 https://www.jk-sci.com/products/j5327201 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e370bfaff4090ab89d6f87731f8e77d7.jpg?v=1791401902 Tetraethyl orthosilicate, Assay 99 - 100% | 78-10-4 Tetraethyl orthosilicate|27201|78-10-4 https://www.jk-sci.com/products/j5327213 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79ad55d1c6fdd80d59d8a85ed6e564ec.jpg?v=1791401881 Diethyl succinate, Purity by GC ≥ 99% | 123-25-1 Diethyl succinate|27213|123-25-1 https://www.jk-sci.com/products/s57c4x-27582 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd577f9ccb9a26bb827b9ad0f23073f8.jpg?v=1791368150 Brivudine Impurity 2, 97.00% | 765235-25-4 Brivudine Impurity 2|C4X-27582|765235-25-4 https://www.jk-sci.com/products/s57c4x-1681 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117456.png?v=1791375548 Lisinopril Dihydrate, 99.00% | 83915-83-7 Lisinopril Dihydrate|C4X-1681|83915-83-7 https://www.jk-sci.com/products/s57c1023343 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c842d03b7796252cefb6fe48c3d680e1.jpg?v=1791391537 Saxagliptin Impurity N1, 92.50% | 102502-64-7 Saxagliptin Impurity N1|C1023343|102502-64-7 https://www.jk-sci.com/products/j5327233 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db21887e1c68419e7df22438ac403ea2.jpg?v=1791401852 Tetrakis(triphenylphosphine)platinum(0), Assay ≥ 98% (≥ 15.5% Pt content) | 14221-02-4 Tetrakis(triphenylphosphine)platinum(0)|27233|14221-02-4 https://www.jk-sci.com/products/s57c1109716 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220450002168fb8b6c426134b834a63e.jpg?v=1791391369 Testosterone Impurity N6, 93.30% | 119698-27-0 Testosterone Impurity N6|C1109716|119698-27-0 https://www.jk-sci.com/products/j5327240 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6c14e582f3c4e628431ce5f74b5ab05.jpg?v=1791401838 3-Aminosalicylic acid, Purity by GC ≥ 98% | 570-23-0 3-Aminosalicylic acid|27240|570-23-0 https://www.jk-sci.com/products/s57c1537345 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d3d57bac125b0812b4915a5e0295e0c.jpg?v=1791390739 1,5-Dichloro-2-fluoro-4-(trichloromethyl)benzene, 96.00% | 86522-88-5 1,5-Dichloro-2-fluoro-4-(trichloromethyl)benzene|C1537345|86522-88-5 https://www.jk-sci.com/products/s57c1773101 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c657bf79dcb9b9364c81290d904f1914.jpg?v=1791390293 6-Hydroxy-2-methylbenzofuran-3-carboxylic acid, 88.90% | 854515-52-9 6-Hydroxy-2-methylbenzofuran-3-carboxylic acid|C1773101|854515-52-9 https://www.jk-sci.com/products/s57c1827123 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46f58367fec848f8b63e70af6976740b.jpg?v=1791389996 Imeglimin, 92.50% | 775351-65-0 Imeglimin|C1827123|775351-65-0 https://www.jk-sci.com/products/s57c1884537 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513623.png?v=1791389840 9-Nitroso-9H-carbazole, Purity: 99.3% | 2788-23-0 9-Nitroso-9H-carbazole|C1884537|2788-23-0 https://www.jk-sci.com/products/j5327243 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f048478a149397bae3343dec65e72c6e.jpg?v=1791401829 L-Ascorbic acid acetonide | 15042-01-0 L-Ascorbic acid acetonide|27243|15042-01-0 https://www.jk-sci.com/products/j5327247 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fc6d2521e48066d64ae1ce0606b56c9.jpg?v=1791401824 2-Amino-4-methyl-5-nitropyridine, Purity by HPLC ≥ 95% | 21901-40-6 2-Amino-4-methyl-5-nitropyridine|27247|21901-40-6 https://www.jk-sci.com/products/s57c1907169 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a46a8ff9c7ad0fac8bc2d401167a58.jpg?v=1791389710 Testosterone EP impurity J, Purity: 94.6% | 57144-06-6 Testosterone EP impurity J|C1907169|57144-06-6 https://www.jk-sci.com/products/s57c1917490 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241919_c080da26-2641-4882-b728-48f99ec1f87a.png?v=1791389613 Lithium Acetoacetate, Purity: 100.0% | 3483-11-2 Lithium Acetoacetate|C1917490|3483-11-2 https://www.jk-sci.com/products/j5327249 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7a722db177fc2bb8b3c861503a60880.jpg?v=1791401819 a-D-Glucopyranose pentabenzoate, Purity by HPLC ≥ 98% | 22415-91-4 a-D-Glucopyranose pentabenzoate|27249|22415-91-4 https://www.jk-sci.com/products/s57c3d-2541 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/356504.png?v=1791389271 Alanine Glutamate, 95.00% | 13187-90-1 Alanine Glutamate|C3D-2541|13187-90-1 https://www.jk-sci.com/products/s57c3d-262249 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea830105ad7c7e6612313e7dc1052c91.jpg?v=1791389056 L-Ribofuranoside, methyl, 2,3,5-triacetate, Purity: 99.8% | 659722-56-2 L-Ribofuranoside, methyl, 2,3,5-triacetate|C3D-262249|659722-56-2 https://www.jk-sci.com/products/s57c4x-27647 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/914f0e426f06d33c4ea34286c0a8fa0e_545d987c-204d-460f-bc39-1eecee338c05.jpg?v=1791368144 Icaritin Impurity 7, Purity: 99.7% | 60-82-2 Icaritin Impurity 7|C4X-27647|60-82-2 https://www.jk-sci.com/products/s57c3d-3204 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230173.png?v=1791388876 AC-TYR(AC)-OH, 96.60% | 17355-23-6 AC-TYR(AC)-OH|C3D-3204|17355-23-6 https://www.jk-sci.com/products/s57c3d-4798 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515770.png?v=1791388460 Malonamide, 99.70% | 108-13-4 Malonamide|C3D-4798|108-13-4 https://www.jk-sci.com/products/s57c3d-5272 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552955_23f94c27-8fac-450d-b645-cd9e24673015.png?v=1791388374 1-Eicosanol, 99.40% | 629-96-9 1-Eicosanol|C3D-5272|629-96-9 https://www.jk-sci.com/products/s57c3d-6057 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b5d1bea2ebf3804c13988d35a380b7f.jpg?v=1791388065 Chloroxylenol, Purity: 99.7% | 1321-23-9 Chloroxylenol|C3D-6057|1321-23-9 https://www.jk-sci.com/products/s57c4x-100833 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e44f079e7bc6f9372cae01a99590fccf.jpg?v=1791387802 Aripiprazole Impurity 33, 99.70% | 50297-40-0 Aripiprazole Impurity 33|C4X-100833|50297-40-0 https://www.jk-sci.com/products/s57c4x-100951 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23db63119ef4b7ce0b08b08b16e744cc.jpg?v=1791387734 Apremilast Impurity 51, 98.20% | 2097600-16-1 Apremilast Impurity 51|C4X-100951|2097600-16-1 https://www.jk-sci.com/products/s57c4x-100977 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_228f28da-ca8e-4136-803a-1370ac14093f.png?v=1791387717 Apremilast Impurity 77, 96.10% Apremilast Impurity 77|C4X-100977 https://www.jk-sci.com/products/j5327268 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/987eb5a95ac2f34cbcd51d32bc660950.jpg?v=1791401804 Sodium amide, Assay by titration ≥ 98% | 7782-92-5 Sodium amide|27268|7782-92-5 https://www.jk-sci.com/products/s57c4x-105819 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6a9b45b7e8abaa33a1ec9fe6c845256.jpg?v=1791386427 Memantine Related Compound G, 96.80% | 33103-93-4 Memantine Related Compound G|C4X-105819|33103-93-4 https://www.jk-sci.com/products/j5327254 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac9f93304b41740c773489ce9dee6a19.jpg?v=1791401814 Ammonium hexachloroiridate(IV), Purity ≥ 99% (Trace metal analysis) | 16940-92-4 Ammonium hexachloroiridate(IV)|27254|16940-92-4 https://www.jk-sci.com/products/j5327257 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c349263cc848e49e06e046445d8a37a.jpg?v=1791401814 Ammonium hexachloroplatinate(IV), Assay 43.25-43.95% (Platinum content) || Purity ≥ 98% | 16919-58-7 Ammonium hexachloroplatinate(IV)|27257|16919-58-7 https://www.jk-sci.com/products/s57c4x-1065174 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc010beb2e91601caf34160bde67d9e6.jpg?v=1791386176 Empagliflozin Impurity 174, 98.20% | 270903-87-2 Empagliflozin Impurity 174|C4X-1065174|270903-87-2 https://www.jk-sci.com/products/s57c4x-10765 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4d49bd75fbcf693d6591f6fe44df12b.jpg?v=1791385654 Tenofovir Disoproxil Dimer, 96.30% | 1093279-76-5 Tenofovir Disoproxil Dimer|C4X-10765|1093279-76-5 https://www.jk-sci.com/products/s57c4x-107950 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5474c7818ed1ca96eb29fc8c265a5af8.jpg?v=1791385522 Tofacitinib Impurity 50, 92.30% | 2227199-31-5 Tofacitinib Impurity 50|C4X-107950|2227199-31-5 https://www.jk-sci.com/products/j5327370 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a64a7baded020ae989bf1bc66470659e.jpg?v=1791401687 3-(2-Hydroxyphenyl)propionic acid, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 495-78-3 3-(2-Hydroxyphenyl)propionic acid|27370|495-78-3 https://www.jk-sci.com/products/j5327322 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce868135bbdea7cd9b7c92dc7f24328d.jpg?v=1791401753 Bis(1,5-cyclooctadiene)diiridium(I) dichloride, Assay ≥ 99% (≥ 57% Ir Content) | 12112-67-3 Bis(1,5-cyclooctadiene)diiridium(I) dichloride|27322|12112-67-3 https://www.jk-sci.com/products/s57c4x-1087104 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f7f26d2b-0b06-4f8c-8616-1be89d3f36e2.png?v=1791385148 Tadalafil Impurity 104, Purity: 98.5% Tadalafil Impurity 104|C4X-1087104 https://www.jk-sci.com/products/j5327303 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0906be0b94f99f54b805398953b92e9d.jpg?v=1791401775 trans-Diamminedichloropalladium(II), Assay ≥ 99% | 13782-33-7 trans-Diamminedichloropalladium(II)|27303|13782-33-7 https://www.jk-sci.com/products/s57c4x-11775 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb7b178ddcb06c3fb369367c7f0d8204.jpg?v=1791382198 Hydrochlorothiazide 5-Chloro Impurity, 94.80% | 5233-42-1 Hydrochlorothiazide 5-Chloro Impurity|C4X-11775|5233-42-1 https://www.jk-sci.com/products/s57c4x-134912 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272458.png?v=1791379896 Terazosin EP Impurity L, 90.50% | 40172-95-0 Terazosin EP Impurity L|C4X-134912|40172-95-0 https://www.jk-sci.com/products/s57c4x-13623 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622213.png?v=1791379659 Ciprofloxacin EP Impurity C HCl(Enrofloxacin EP Impurity G HCl), 99.30% | 528851-31-2 Ciprofloxacin EP Impurity C HCl(Enrofloxacin EP Impurity G HCl)|C4X-13623|528851-31-2 https://www.jk-sci.com/products/j5327291 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f677e3a0abad1f006d4c4061088f0da.jpg?v=1791401789 Potassium hexachloroosmate(IV), Assay ≥ 39.5% Os content | 16871-60-6 Potassium hexachloroosmate(IV)|27291|16871-60-6 https://www.jk-sci.com/products/s57c4x-136810 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622176_a86d51ee-e295-4944-8481-46e36502efc8.png?v=1791379546 Diltiazem EP Impurity D HCl, 90.10% | 130606-60-9 Diltiazem EP Impurity D HCl|C4X-136810|130606-60-9 https://www.jk-sci.com/products/s57c1084731 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0618c68806517840bd2b9f4d996a8987.jpg?v=1791391418 2,5-Dichloro-3-methylbenzoic acid, 93.70% | 1160573-37-4 2,5-Dichloro-3-methylbenzoic acid|C1084731|1160573-37-4 https://www.jk-sci.com/products/s57c1347276 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409695.png?v=1791391048 Ethyl 3,5-dichloro-4-methoxybenzoate, 98.70% | 15945-28-5 Ethyl 3,5-dichloro-4-methoxybenzoate|C1347276|15945-28-5 https://www.jk-sci.com/products/s57c1349702 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e29bac1fbbc19f213b4c73331458c6b0.jpg?v=1791391033 (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxylic acid, 94.90% | 16052-40-7 (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxylic acid|C1349702|16052-40-7 https://www.jk-sci.com/products/s57c1362758 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37fede52e29e8138e9b35443719ef329.jpg?v=1791391002 2-(3-Methoxyphenethyl)phenol, 99.70% | 167145-13-3 2-(3-Methoxyphenethyl)phenol|C1362758|167145-13-3 https://www.jk-sci.com/products/j5326062 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bce99d559d105242100880415bb6e49.jpg?v=1791403635 4-(4-Biphenyl)-4-oxobutyric acid, Purity by HPLC ≥ 98% | 36330-85-5 4-(4-Biphenyl)-4-oxobutyric acid|26062|36330-85-5 https://www.jk-sci.com/products/j5327375 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/698b0ed190d4455745f590b19358d953.jpg?v=1791401682 2,5-Dimethylphenylacetic acid, Purity by GC ≥ 98% | 13612-34-5 2,5-Dimethylphenylacetic acid|27375|13612-34-5 https://www.jk-sci.com/products/s57c1457450 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331351.png?v=1791390885 (3-Methylbutan-2-yl)benzene, 94.20% | 4481-30-5 (3-Methylbutan-2-yl)benzene|C1457450|4481-30-5 https://www.jk-sci.com/products/s57c1495094 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86206a7bc17d4175b9214adbe59295a4.jpg?v=1791390816 Ibuprofen impurity 01, Purity: 100.0% | 95093-58-6 Ibuprofen impurity 01|C1495094|95093-58-6 https://www.jk-sci.com/products/j5327350 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b56dc00b6ab5f131711e65115f0707d3.jpg?v=1791401726 Tris(triphenylphosphine)ruthenium(II) chloride, Assay ≥ 99.5% | 15529-49-4 Tris(triphenylphosphine)ruthenium(II) chloride|27350|15529-49-4 https://www.jk-sci.com/products/j5326393 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/184c1220c1f0ca67b279006ae6e8b483.jpg?v=1791403136 5-Bromo-2,6-dimethyl-2H-indazole, Purity by HPLC ≥ 95% | 1159511-90-6 5-Bromo-2,6-dimethyl-2H-indazole|26393|1159511-90-6 https://www.jk-sci.com/products/s57c1526471 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03afd5783f675c6b0a1fb66564826fd8.jpg?v=1791390764 1-(Benzylamino)-3-Chloropropan-2-ol, 72.80% | 75605-52-6 1-(Benzylamino)-3-Chloropropan-2-ol|C1526471|75605-52-6 https://www.jk-sci.com/products/s57c1540927 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fdb67763f4320d82de03bdfa06df6cf.jpg?v=1791390738 10-Methyl-10H-Phenothiazine-5-Oxide, 98.70% | 2234-09-5 10-Methyl-10H-Phenothiazine-5-Oxide|C1540927|2234-09-5 https://www.jk-sci.com/products/s57c1688981 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb4a95adcec0b046c45a0f8d28ccf999.jpg?v=1791390423 4-(1,3-Benzothiazol-2-yl)-2,6-dichlorophenol, 99.30% | 637302-77-3 4-(1,3-Benzothiazol-2-yl)-2,6-dichlorophenol|C1688981|637302-77-3 https://www.jk-sci.com/products/s57c1728237 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382559_ed463b66-8040-4b7d-8a33-cb4400cb121c.png?v=1791390352 4'-Methyl-[1,1'-biphenyl]-4-carbonitrile, 99.40% | 50670-50-3 4'-Methyl-[1,1'-biphenyl]-4-carbonitrile|C1728237|50670-50-3 https://www.jk-sci.com/products/s57c1768359 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75c2de99746620627c4badbefdc15a72.jpg?v=1791390297 Abemaciclib Impurity N1, 95.30% | 2177297-46-8 Abemaciclib Impurity N1|C1768359|2177297-46-8 https://www.jk-sci.com/products/s57c1918162 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578657.png?v=1791389607 2,4,6-Trichloropyrimidine, 99.10% | 3764-01-0 2,4,6-Trichloropyrimidine|C1918162|3764-01-0 https://www.jk-sci.com/products/s57c1921926 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238866.png?v=1791389525 1-(2-Nitrophenyl)ethanone, 94.50% | 577-59-3 1-(2-Nitrophenyl)ethanone|C1921926|577-59-3 https://www.jk-sci.com/products/s57c1925323 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614428.png?v=1791389469 2,2,2-Trimethylacetamide, 99.20% | 754-10-9 2,2,2-Trimethylacetamide|C1925323|754-10-9 https://www.jk-sci.com/products/s57c3d-262176 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca70f6b62edbccbadf5dd95473d7a0b0_a29aa977-74d0-4a92-975f-e43eef74b89c.jpg?v=1791389073 2,6-Diaminopyrimidin-4(1H)-one, Purity: 100.0% | 56-06-4 2,6-Diaminopyrimidin-4(1H)-one|C3D-262176|56-06-4 https://www.jk-sci.com/products/j5326617 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e3a12264fe89fad1568dde84eb5b58e.jpg?v=1791402794 3-(Hydroxymethyl)-4-isopropoxybenzaldehyde, Purity ≥ 95% (NMR) | 959237-03-7 3-(Hydroxymethyl)-4-isopropoxybenzaldehyde|26617|959237-03-7 https://www.jk-sci.com/products/s57c3d-2915 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c8801f21d812d9270a624a4b64070d_47e3d794-709c-4f05-b4ad-1d8670f33458.jpg?v=1791388924 L-Homocystine, 95.80% | 626-72-2 L-Homocystine|C3D-2915|626-72-2 https://www.jk-sci.com/products/s57c4x-276619 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fea29d7ec29bc350a4af9f3c2e26a2f.jpg?v=1791368144 Dehydrodeoxy Sepiapterin, Purity: 96.9% | 71014-28-3 Dehydrodeoxy Sepiapterin|C4X-276619|71014-28-3 https://www.jk-sci.com/products/s57c3d-4149 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/450641.png?v=1791388621 3-Mercapto-1-propanol, 90.20% | 19721-22-3 3-Mercapto-1-propanol|C3D-4149|19721-22-3 https://www.jk-sci.com/products/s57c3d-4338 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee7b8a682b2e3616f4bf8b7e616800e3.jpg?v=1791388570 3-Deoxy-galactosone, Purity: 94.8% | 4134-97-8 3-Deoxy-galactosone|C3D-4338|4134-97-8 https://www.jk-sci.com/products/s57c3d-5911 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96473cf270cd36042e89ff5b94d2f420.jpg?v=1791388141 Ethyl 4(Z),7(Z),10(Z),13(Z),16(Z)-docosapentaenoate, 98.90% | 142828-42-0 Ethyl 4(Z),7(Z),10(Z),13(Z),16(Z)-docosapentaenoate|C3D-5911|142828-42-0 https://www.jk-sci.com/products/s57c3d-5975 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/debc72cec4f75497022078f50e63b109.jpg?v=1791388106 1,2-Palmitin-3-Elaidin, 98.00% | 93452-43-8 1,2-Palmitin-3-Elaidin|C3D-5975|93452-43-8 https://www.jk-sci.com/products/s57c4x-27666 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/505232.png?v=1791368138 Sepiapterin Impurity 6, 96.20% | 2387-48-6 Sepiapterin Impurity 6|C4X-27666|2387-48-6 https://www.jk-sci.com/products/s57c4x-101826 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75909b43c792e439fbe24af95e23277d.jpg?v=1791387545 Choline Fenofibrate Impurity 26, 99.60% | 1797121-54-0 Choline Fenofibrate Impurity 26|C4X-101826|1797121-54-0 https://www.jk-sci.com/products/s57c4x-102253 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fdbaea8510bea8935db8811d504e74b.jpg?v=1791387330 Carfilzomib Impurity 53, 94.80% | 1672698-96-2 Carfilzomib Impurity 53|C4X-102253|1672698-96-2 https://www.jk-sci.com/products/s57c4x-27691 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427802.png?v=1791368134 Droperidol EP Impurity A, 97.20% | 2147-83-3 Droperidol EP Impurity A|C4X-27691|2147-83-3 https://www.jk-sci.com/products/j5326725 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d33cb03efa0c72f9f84192c49ae5700.jpg?v=1791402635 Nickel(II) acetylacetonate, Assay ? 99% | 3264-82-2 Nickel(II) acetylacetonate|26725|3264-82-2 https://www.jk-sci.com/products/s57c4x-106726 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c175f89b94a0642fe16c194859f72ee8.jpg?v=1791386049 Levetiracetam Impurity 26, Purity: 98.6% | 20496-01-9 Levetiracetam Impurity 26|C4X-106726|20496-01-9 https://www.jk-sci.com/products/j5326784 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2991e18c7d35d60d5dd29a72ba6102d.jpg?v=1791402554 Ethyl 2-methyl-4-oxo-2-cyclohexene-1-carboxylate, Purity by GC ≥ 97% | 487-51-4 Ethyl 2-methyl-4-oxo-2-cyclohexene-1-carboxylate|26784|487-51-4 https://www.jk-sci.com/products/s57c4x-107917 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd8f7b56c1e708b69fb4fcbd79fc2c2b.jpg?v=1791385550 Tofacitinib Impurity 17, 92.20% | 1675248-19-7 Tofacitinib Impurity 17|C4X-107917|1675248-19-7 https://www.jk-sci.com/products/s57c4x-108027 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc755f8286fbb07d5b95b2c1d64fded8.jpg?v=1791385489 Etoricoxib Impurity 27, 99.50% | 221615-72-1 Etoricoxib Impurity 27|C4X-108027|221615-72-1 https://www.jk-sci.com/products/s57c4x-1082136 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a29e2997-bdcb-4eb5-8c66-b70d4eae5bd9.png?v=1791385420 Ibuprofen Impurity 136, Purity: 100.0% Ibuprofen Impurity 136|C4X-1082136 https://www.jk-sci.com/products/j5326881 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a72f8ae4b5577a70cc150e0791f29b5.jpg?v=1791402404 4-Acetoxybenzaldehyde, Purity by GC ≥ 98% | 878-00-2 4-Acetoxybenzaldehyde|26881|878-00-2 https://www.jk-sci.com/products/j5326840 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5ebed4eb58448977e9a0996f82e304e.jpg?v=1791402475 3-Chloro-4-hydroxybenzoic acid, Purity by GC ≥ 99% | 3964-58-7 3-Chloro-4-hydroxybenzoic acid|26840|3964-58-7 https://www.jk-sci.com/products/j5326922 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b81d6de930fae17d0ea3de17da0bc1fa.jpg?v=1791402358 4-Fluorophenyl isothiocyanate, Purity ≥ 98% (NMR) | 1544-68-9 4-Fluorophenyl isothiocyanate|26922|1544-68-9 https://www.jk-sci.com/products/s57c4x-10877 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12f8de055873cd0dc6319126b6946ffb.jpg?v=1791385091 Tadalafil EP Impurity G, 86.10% | 2520114-46-7 Tadalafil EP Impurity G|C4X-10877|2520114-46-7 https://www.jk-sci.com/products/s57c4x-276918 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1669f2a7-40b1-4f72-bbbd-6b9a7f3afef6.png?v=1791368129 Droperidol Impurity 18, 99.70% Droperidol Impurity 18|C4X-276918 https://www.jk-sci.com/products/s57c4x-113172 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_04a114db-9188-434d-9230-5b3978ec9412.png?v=1791383407 Brexpiprazole impurity 72, 99.50% Brexpiprazole impurity 72|C4X-113172 https://www.jk-sci.com/products/s57c4x-117841 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/440001_0a76f4f1-7508-492e-8164-9570f046aa19.png?v=1791382182 Olanzapine Impurity 41, 97.10% | 610-17-3 Olanzapine Impurity 41|C4X-117841|610-17-3 https://www.jk-sci.com/products/s57c4x-1221 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531290.png?v=1791381566 Cefamandole Nafate, Purity: 83.7% | 42540-40-9 Cefamandole Nafate|C4X-1221|42540-40-9 https://www.jk-sci.com/products/j5326978 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19bf48e180c9d40bf42f770a87ea20bd.jpg?v=1791402280 2-Mercaptopyrimidine, Purity by HPLC ≥ 99% | 1450-85-7 2-Mercaptopyrimidine|26978|1450-85-7 https://www.jk-sci.com/products/j5327056 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ab80cca410a63a22e8f6e68c7b3b290.jpg?v=1791402139 3-(Aminomethyl)pyridine, Purity ≥ 99% | 3731-52-0 3-(Aminomethyl)pyridine|27056|3731-52-0 https://www.jk-sci.com/products/s57c4x-12523 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc091e74a76ca394d3825cc9b51c52c4.jpg?v=1791380928 Perindopril EP Impurity C, 95.20% | 129970-99-6 Perindopril EP Impurity C|C4X-12523|129970-99-6 https://www.jk-sci.com/products/s57c4x-13586 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bc7b7196a718244cbbe29213efa79ab.jpg?v=1791379745 Cefditoren Impurity 6, 90.80% | 878002-84-7 Cefditoren Impurity 6|C4X-13586|878002-84-7 https://www.jk-sci.com/products/j5327020 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1ffcc8e2e2805e8719c5d26717065c5.jpg?v=1791402198 2-Chloro-6-methoxypyridine, Purity by GC ≥ 98% | 17228-64-7 2-Chloro-6-methoxypyridine|27020|17228-64-7 https://www.jk-sci.com/products/j5327105 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f132dda33c4e914dff327c24b64b9591.jpg?v=1791402068 2-Bromo-4-nitrotoluene, Purity by HPLC ≥ 99% | 7745-93-9 2-Bromo-4-nitrotoluene|27105|7745-93-9 https://www.jk-sci.com/products/s57c1045171 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0761ff1660596c5b2f17b42ef838b4db.jpg?v=1791391496 Norfloxacin Impurity C171, 99.10% | 106847-39-6 Norfloxacin Impurity C171|C1045171|106847-39-6 https://www.jk-sci.com/products/s57c1092339 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9549a74d3fc8b2580a04cb9dc91f93a2.jpg?v=1791391408 Alpha-Casozepine, 81.20% | 117592-45-7 Alpha-Casozepine|C1092339|117592-45-7 https://www.jk-sci.com/products/j5327143 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef5274bf6d4002d638e17e774fb4607.jpg?v=1791402008 3-Bromoaniline, Assay ≥ 98% | 591-19-5 3-Bromoaniline|27143|591-19-5 https://www.jk-sci.com/products/j5327125 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2cdcb742d020aeaeb323a9e7a2e74c9.jpg?v=1791402046 4-Hydroxybenzhydrazide, Purity by HPLC ≥ 98% | 5351-23-5 4-Hydroxybenzhydrazide|27125|5351-23-5 https://www.jk-sci.com/products/j5327170 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c567cc74973212d56a63d50fa9eb5fa.jpg?v=1791401960 2-Hydroxy-4-methoxybenzophenone, Assay 97-103% | 131-57-7 2-Hydroxy-4-methoxybenzophenone|27170|131-57-7 https://www.jk-sci.com/products/s57c1301640 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570556.png?v=1791391140 (S) - Demethylcitalopram, Purity>95% | 144025-14-9 (S) - Demethylcitalopram|C1301640|144025-14-9 https://www.jk-sci.com/products/j5327180 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd629e8e92f5b899385f191e18e745c8.jpg?v=1791401938 Benzaldehyde dimethyl acetal, Purity by GC ≥ 99% | 1125-88-8 Benzaldehyde dimethyl acetal|27180|1125-88-8 https://www.jk-sci.com/products/j5327195 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f37c9f3d698719e15fd567c38d99bdb.jpg?v=1791401912 2,5-Hexanedione, Purity by GC ? 99% | 110-13-4 2,5-Hexanedione|27195|110-13-4 https://www.jk-sci.com/products/s57c1453293 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383373_f1ea1f56-093c-4778-86cc-76d174bd05d3.png?v=1791390895 4,4'-Oxydiphenol, Purity: 100.0% | 1965-09-9 4,4'-Oxydiphenol|C1453293|1965-09-9 https://www.jk-sci.com/products/s57c4x-27693 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6154bad3b3095da4559e1e2ee038b497.jpg?v=1791368129 Droperidol EP Impurity D, 99.20% | 466118-75-2 Droperidol EP Impurity D|C4X-27693|466118-75-2 https://www.jk-sci.com/products/s57c4x-27695 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_037a63d7-2dec-4ec5-891c-af6be709de14.png?v=1791368122 Droperidol EP Impurity B HCl, 99.20% Droperidol EP Impurity B HCl|C4X-27695 https://www.jk-sci.com/products/j5327216 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522f062f04cb6fba52112ae950b24347.jpg?v=1791401872 N,N-Dimethylformamide diethyl acetal, Assay ≥ 94% | 1188-33-6 N,N-Dimethylformamide diethyl acetal|27216|1188-33-6 https://www.jk-sci.com/products/j5327245 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/699ed9efd458cf6db1fd1a608e38f62d.jpg?v=1791401828 2-Hydroxy-4-methyl-3-nitropyridine, Purity by HPLC ≥ 97% | 21901-18-8 2-Hydroxy-4-methyl-3-nitropyridine|27245|21901-18-8 https://www.jk-sci.com/products/j5327239 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6327ab4e4129f3e2b90c19f08543db98.jpg?v=1791401838 2-Bromo-2'-nitroacetophenone, Purity by GC ≥ 99% | 6851-99-6 2-Bromo-2'-nitroacetophenone|27239|6851-99-6 https://www.jk-sci.com/products/s57c1476241 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/913109.png?v=1791390856 (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic Acid tert-Butyl Ester, 98.80% | 461054-93-3 (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic Acid tert-Butyl Ester|C1476241|461054-93-3 https://www.jk-sci.com/products/s57c4x-27731 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e9b684ecf9a14f882f02fd36b3869b6.jpg?v=1791368118 Etilefrine Impurity 1, Purity: 99.1% | 55845-90-4 Etilefrine Impurity 1|C4X-27731|55845-90-4 https://www.jk-sci.com/products/j5327253 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a61abf50215a4cf07292e4bb81c45a5f.jpg?v=1791401819 2-Amino-3-nitrophenol, Purity by GC ≥ 98% | 603-85-0 2-Amino-3-nitrophenol|27253|603-85-0 https://www.jk-sci.com/products/s57c1494214 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363919.png?v=1791390818 (R)-Fmoc-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid, 99.50% | 204317-98-6 (R)-Fmoc-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid|C1494214|204317-98-6 https://www.jk-sci.com/products/s57c1599469 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f62f1c3c1f6ced8834ed785bfce92a13.jpg?v=1791390616 2,4-Dihydroxy-5-methoxybenzaldehyde, 80.10% | 51061-83-7 2,4-Dihydroxy-5-methoxybenzaldehyde|C1599469|51061-83-7 https://www.jk-sci.com/products/s57c1824515 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90d5563e5534c92280a93fc14a8fb0b.jpg?v=1791390037 Formoterol Impurity N11, 91.10% | 51713-72-5 Formoterol Impurity N11|C1824515|51713-72-5 https://www.jk-sci.com/products/s57c1900606 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48320f2acd1a0e69d4005a2b59ae811e.jpg?v=1791389726 tert-Butyl (S)-1-Methyl-2-oxoimidazolidine-4-carboxylate, 99.90% | 83056-79-5 tert-Butyl (S)-1-Methyl-2-oxoimidazolidine-4-carboxylate|C1900606|83056-79-5 https://www.jk-sci.com/products/s57c1918571 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209764_d8dc6011-4dec-42dc-942b-f6aed9542078.png?v=1791389606 Edoxaban impurity 101, 93.70% | 39620-04-7 Edoxaban impurity 101|C1918571|39620-04-7 https://www.jk-sci.com/products/s57c3d-2794 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344712_603c4966-2dba-4901-a60e-f96b1eee08ce.png?v=1791388982 Fmoc-Gly-OH, 98.90% | 29022-11-5 Fmoc-Gly-OH|C3D-2794|29022-11-5 https://www.jk-sci.com/products/s57c4x-277510 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98f5f513222b0f4a772c87d06e8bdbc8.jpg?v=1791368113 N-Isopropylnoradrenochrome, 86.80% | 3736-31-0 N-Isopropylnoradrenochrome|C4X-277510|3736-31-0 https://www.jk-sci.com/products/s57c4x-277516 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8adbf78a6784a385a99c0bf6e2f269f1.jpg?v=1791368113 N-Isopropyldopamine Hydrochloride, 94.70% | 5178-52-9 N-Isopropyldopamine Hydrochloride|C4X-277516|5178-52-9 https://www.jk-sci.com/products/j5327260 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15e7cc3d8d7e64bcb9dd4c6aae454d0f.jpg?v=1791401809 Copper(II) hydroxide, Assay ≥ 92% | 20427-59-2 Copper(II) hydroxide|27260|20427-59-2 https://www.jk-sci.com/products/s57c3d-2813 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485156.png?v=1791388953 N-Fmoc-β-alanine, 98.80% | 35737-10-1 N-Fmoc-β-alanine|C3D-2813|35737-10-1 https://www.jk-sci.com/products/j5327299 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b750ff42b149c1677776878b54e37e05.jpg?v=1791401780 Potassium dicyanoaurate(I), Assay 99 - 100% (Au content : 68.4 ± 0.4%) || Purity ≥ 99.9% (Metals basis) | 13967-50-5 Potassium dicyanoaurate(I)|27299|13967-50-5 https://www.jk-sci.com/products/s57c3d-4185 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441957.png?v=1791388611 Methyl 2,4,6-trimethoxybenzoate, Purity: 99.9% | 29723-28-2 Methyl 2,4,6-trimethoxybenzoate|C3D-4185|29723-28-2 https://www.jk-sci.com/products/s57c4x-107135 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88aae0cd954249de93e58e7c45c016d6.jpg?v=1791385920 Axitinib Impurity 35, 98.90% | 1443118-71-5 Axitinib Impurity 35|C4X-107135|1443118-71-5 https://www.jk-sci.com/products/s57c4x-10726 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8acde6544671d654bd0627bff79c21b.jpg?v=1791385845 Bortezomib Impurity 6, 90.90% | 1132709-14-8 Bortezomib Impurity 6|C4X-10726|1132709-14-8 https://www.jk-sci.com/products/s57c4x-27772 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/531846.png?v=1791368107 Chlorzoxazone Impurity 2, 98.40% | 59-49-4 Chlorzoxazone Impurity 2|C4X-27772|59-49-4 https://www.jk-sci.com/products/s57c4x-10793 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e26100291e1c39ef49188b5ce007390c.jpg?v=1791385533 Tofacitinib Impurity 3, 90.60% | 1092578-47-6 Tofacitinib Impurity 3|C4X-10793|1092578-47-6 https://www.jk-sci.com/products/j5327326 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c76382fe79c3197d3283e0fe2183f964.jpg?v=1791401747 Zinc Acetate, Assay ≥ 35% (ICP Zinc content) || Purity ≥ 99.9% | 557-34-6 Zinc Acetate|27326|557-34-6 https://www.jk-sci.com/products/j5327371 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c8ba801b161175dcc7c4b7a130214fc.jpg?v=1791401688 3-(3-Methoxyphenyl)propionic acid, Purity by GC ≥ 97% | 10516-71-9 3-(3-Methoxyphenyl)propionic acid|27371|10516-71-9 https://www.jk-sci.com/products/j5327386 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89ecc6a4bdbdd203b1293d53493b05e2.jpg?v=1791401657 3-Trifluoromethyl-4-nitroaniline, Purity by HPLC ≥ 99% | 393-11-3 3-Trifluoromethyl-4-nitroaniline|27386|393-11-3 https://www.jk-sci.com/products/s57c4x-1090138 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2ac4065483383e6774db2012d0cd927.jpg?v=1791384963 Rivaroxaban Impurity 138, 98.70% | 20689-96-7 Rivaroxaban Impurity 138|C4X-1090138|20689-96-7 https://www.jk-sci.com/products/s57c4x-1090174 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_189700b3-a05e-4f4c-8971-3f59141da7f7.png?v=1791384949 Rivaroxaban impurity 174, 99.00% Rivaroxaban impurity 174|C4X-1090174 https://www.jk-sci.com/products/j5327394 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540c8f34d1ae12d67319969fc8d8b365.jpg?v=1791401643 Carbonyldihydrotris(triphenylphosphine)ruthenium(II), Purity ≥ 98% (10.97-11.19% Ru content) | 25360-32-1 Carbonyldihydrotris(triphenylphosphine)ruthenium(II)|27394|25360-32-1 https://www.jk-sci.com/products/s57c4x-109039 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/971b606fa9e5183afaceca8966fef004.jpg?v=1791384918 Rivaroxaban Impurity 39, 97.20% | 446292-07-5 Rivaroxaban Impurity 39|C4X-109039|446292-07-5 https://www.jk-sci.com/products/s57c4x-10952 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1182feb6b9f0451a4be0306bfdfc5614.jpg?v=1791384745 Amlodipine Besylate EP Impurity B, 95.10% | 721958-72-1 Amlodipine Besylate EP Impurity B|C4X-10952|721958-72-1 https://www.jk-sci.com/products/s57c4x-27801 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e22cc21a954958bf7d48c7609fff6276.jpg?v=1791368101 Cladribine EP Impurity D, 97.90% | 5542-92-7 Cladribine EP Impurity D|C4X-27801|5542-92-7 https://www.jk-sci.com/products/s57c4x-111893 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/409081_3cb8143e-aaae-458c-841d-a65a01d45db3.png?v=1791383877 Ethyl 2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate, 100.00% | 53554-29-3 Ethyl 2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate|C4X-111893|53554-29-3 https://www.jk-sci.com/products/j5327412 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/904124898d2cbf4539a75caa6aa4b665.jpg?v=1791401615 3-Ethoxybenzaldehyde, Purity by GC ≥ 97% | 22924-15-8 3-Ethoxybenzaldehyde|27412|22924-15-8 https://www.jk-sci.com/products/j5327399 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33dca64ee1fd5569a0a734cfc240396b.jpg?v=1791401633 Iridium(IV) chloride hydrate, Assay ≥ 52% (Iridum content) || Purity ≥ 99.95% (Trace metal basis) | 207399-11-9 Iridium(IV) chloride hydrate|27399|207399-11-9 https://www.jk-sci.com/products/s57c4x-120856 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8c8ba6d2f393b77f1684a12101c97fc.jpg?v=1791381730 Posaconazole Impurity 56, 98.50% | 184177-81-9 Posaconazole Impurity 56|C4X-120856|184177-81-9 https://www.jk-sci.com/products/s57c4x-131254 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d597a1d04eb6ee78fcbf6db3a6d7520.jpg?v=1791380474 Pregabalin Impurity 54, 90.60% | 616-42-2 Pregabalin Impurity 54|C4X-131254|616-42-2 https://www.jk-sci.com/products/s57c4x-27804 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258050.png?v=1791368096 Cladribine, 99.40% | 4291-63-8 Cladribine|C4X-27804|4291-63-8 https://www.jk-sci.com/products/s57c1036524 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303181.png?v=1791391504 Cinacalcet Amine, 79.80% | 104774-87-0 Cinacalcet Amine|C1036524|104774-87-0 https://www.jk-sci.com/products/s57c1205491 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3c1d904038b52c384a0b8bf7c29893.jpg?v=1791391273 1-methyl-4-(piperazine-1-carbonyl)piperazine dihydrochloride, Purity: 99.8% | 1305711-94-7 1-methyl-4-(piperazine-1-carbonyl)piperazine dihydrochloride|C1205491|1305711-94-7 https://www.jk-sci.com/products/j5327414 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108211bf4ab296617b7c4084986e178a.jpg?v=1791401610 4,4'-Biphenyldicarboxaldehyde, Purity by GC ≥ 98% | 66-98-8 4,4'-Biphenyldicarboxaldehyde|27414|66-98-8 https://www.jk-sci.com/products/s57c1267870 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c2de0d409e1c6de86d156d8c168d053.jpg?v=1791391186 Methyl 4-((tert-butoxycarbonyl)amino)piperidine-4-carboxylate hydrochloride, 97.50% | 1381947-68-7 Methyl 4-((tert-butoxycarbonyl)amino)piperidine-4-carboxylate hydrochloride|C1267870|1381947-68-7 https://www.jk-sci.com/products/s57c1323259 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/486112_5e1c2f94-ee3c-4d28-82ae-41603bfd46f5.png?v=1791391093 6-Bromo-3-pyridinecarboxaldehyde, 93.40% | 149806-06-4 6-Bromo-3-pyridinecarboxaldehyde|C1323259|149806-06-4 https://www.jk-sci.com/products/s57c1450421 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/085eb9e49a00cfc26c9b2d62c4909e02.jpg?v=1791390901 Osimertinib Impurity N4, 98.00% | 1956306-73-2 Osimertinib Impurity N4|C1450421|1956306-73-2 https://www.jk-sci.com/products/j5327424 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9709b51fe76f388d30c7ce0c48942895.jpg?v=1791401595 5-Methoxyflavone, Purity by GC ≥ 98% | 42079-78-7 5-Methoxyflavone|27424|42079-78-7 https://www.jk-sci.com/products/j5327419 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f095d9070fd3f4ef11d2736a37bec3c5.jpg?v=1791401600 2-Ethoxycinnamic acid, Purity by GC ≥ 99% | 69038-81-9 2-Ethoxycinnamic acid|27419|69038-81-9 https://www.jk-sci.com/products/s57c1607533 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a619b9ede666543cd0cc8759475b5eb.jpg?v=1791390587 2-{[(3,4-difluorophenyl)methyl]amino}ethan-1-ol, 99.30% | 610769-18-1 2-{[(3,4-difluorophenyl)methyl]amino}ethan-1-ol|C1607533|610769-18-1 https://www.jk-sci.com/products/s57c4x-27821 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb5e944df72cb04e83893aed27faec78.jpg?v=1791368091 Trametinib Impurity 1, 99.60% | 871700-28-6 Trametinib Impurity 1|C4X-27821|871700-28-6 https://www.jk-sci.com/products/s57c4x-27811 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126699.png?v=1791368095 Moxonidine, 98.80% | 75438-57-2 Moxonidine|C4X-27811|75438-57-2 https://www.jk-sci.com/products/s57c4x-278211 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1f2e78c6-3080-45ee-a008-ebf80b1de902.png?v=1791368085 Trametinib impurity 11, 99.50% Trametinib impurity 11|C4X-278211 https://www.jk-sci.com/products/s57c4x-278215 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/010b0dccf3478c5f374090a1fd215657.jpg?v=1791368085 Trametinib impurity 15, 99.10% | 871700-18-4 Trametinib impurity 15|C4X-278215|871700-18-4 https://www.jk-sci.com/products/s57c4x-27911 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4ef5525-3651-458d-9277-ce53a0bb8922.png?v=1791368069 Sulfadoxine Impurity 1, 99.70% Sulfadoxine Impurity 1|C4X-27911 https://www.jk-sci.com/products/s57c1617087 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/242813_fb4726fe-6fb8-4399-906b-29a18d7ff558.png?v=1791390558 2-Bromo-1-methyl-4-nitrobenzene, 99.10% | 7745-93-9 2-Bromo-1-methyl-4-nitrobenzene|C1617087|7745-93-9 https://www.jk-sci.com/products/s57c4x-27828 2026-10-08T05:11:38-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef06c568af026c37a70755375c46212.jpg?v=1791368078 Trametinib impurity 8, 96.10% | 871700-26-4 Trametinib impurity 8|C4X-27828|871700-26-4