https://www.jk-sci.com/products/s57c4x-1551 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469909.png?v=1774721179 Atovaquone | 95233-18-4 Atovaquone|C4X-1551|95233-18-4 https://www.jk-sci.com/products/s57c4x-15515 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15546 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11e0eee7e225b27ae4cf0194b2a0ab58.jpg?v=1776413015 Balsalazide Impurity 6 | 1346606-13-0 Balsalazide Impurity 6|C4X-15546|1346606-13-0 https://www.jk-sci.com/products/s57c4x-15601 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08e1b878af1d5ab808b8f534b71d25fe.jpg?v=1776413025 Bifonazole EP Impurity D Chloride | 66600-13-3 Bifonazole EP Impurity D Chloride|C4X-15601|66600-13-3 https://www.jk-sci.com/products/s57c4x-155921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e76dfb5f-2af0-498f-94f6-fdaa6873019f.png?v=1774971771 Betaxolol Impurity 21 Betaxolol Impurity 21|C4X-155921 https://www.jk-sci.com/products/s57c4x-156012 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b5ef719-5a39-4404-8720-9ad246d38fdc.png?v=1775140479 Bifonazole Impurity 12 Bifonazole Impurity 12|C4X-156012 https://www.jk-sci.com/products/s57c4x-15602 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd89954e52153709af162038c526df0a.jpg?v=1776413032 Bifonazole EP Impurity E(Mixture of Diastereomers) | 2469554-07-0 Bifonazole EP Impurity E(Mixture of Diastereomers)|C4X-15602|2469554-07-0 https://www.jk-sci.com/products/s57c4x-15604 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f7138f5342406cc59c62721676268f2.jpg?v=1776413038 Bifonazole EP Impurity A | 7598-80-3 Bifonazole EP Impurity A|C4X-15604|7598-80-3 https://www.jk-sci.com/products/s57c4x-15607 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05b328a8ae60c53431fb2a8c4aed5bbd.jpg?v=1776413045 Bifonazole Impurity 7 | 91487-87-5 Bifonazole Impurity 7|C4X-15607|91487-87-5 https://www.jk-sci.com/products/s57c4x-156310 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fda0b3f4ea047d34d711e87aef26e3b.jpg?v=1776413048 Biotin Impurity 10 | 57671-79-1 Biotin Impurity 10|C4X-156310|57671-79-1 https://www.jk-sci.com/products/s57c4x-156315 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea1023e5bebbae06f1c27101ec23d4db.jpg?v=1776413055 Biotin Impurity 15 | 56859-26-8 Biotin Impurity 15|C4X-156315|56859-26-8 https://www.jk-sci.com/products/s57c4x-156318 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e4f17ca906264e8ea4af59315bef917.jpg?v=1776413058 Biotin impurity 18 | 4375-00-2 Biotin impurity 18|C4X-156318|4375-00-2 https://www.jk-sci.com/products/s57c4x-15634 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe849f48408a61528e0430ddec00ee22.jpg?v=1776413067 Biotin Impurity 4 | 76335-62-1 Biotin Impurity 4|C4X-15634|76335-62-1 https://www.jk-sci.com/products/s57c4x-15638 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586211.png?v=1774880501 Biotin Impurity 8 | 22342-46-7 Biotin Impurity 8|C4X-15638|22342-46-7 https://www.jk-sci.com/products/s57c4x-156329 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-156610 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8381fc410951205619ec63fbe6232378.jpg?v=1776413080 Brimonidine EP Impurity D | 842138-74-3 Brimonidine EP Impurity D|C4X-156610|842138-74-3 https://www.jk-sci.com/products/s57c4x-156612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f935fa152dccd3cd76fb258bd33fdd14.jpg?v=1776413083 Brimonidine EP Impurity G Trifluoroacetic acid salt | 1391054-10-6 Brimonidine EP Impurity G Trifluoroacetic acid salt|C4X-156612|1391054-10-6 https://www.jk-sci.com/products/s57c4x-156615 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/703e9a816fbfcefe0b97ae939eb45132.jpg?v=1776413086 Brimonidine Impurity 15 | 91147-46-5 Brimonidine Impurity 15|C4X-156615|91147-46-5 https://www.jk-sci.com/products/s57c4x-15662 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/310091_38255a95-cb51-4fd8-acd7-80810268c9c6.png?v=1774721187 Brimonidine EP Impurity B | 50358-63-9 Brimonidine EP Impurity B|C4X-15662|50358-63-9 https://www.jk-sci.com/products/s57c4x-15665 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55c6d87e2e4d7879591b87ac693e8a16.jpg?v=1776413096 Brimonidine EP Impurity E | 168329-48-4 Brimonidine EP Impurity E|C4X-15665|168329-48-4 https://www.jk-sci.com/products/s57c4x-1567 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44532f5b409008101c2c72b9f2a4bed.jpg?v=1776413098 Brivanib | 649735-46-6 Brivanib|C4X-1567|649735-46-6 https://www.jk-sci.com/products/s57c4x-156624 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b8873d29-64c3-410e-a0e6-8117fa4fdd8d.png?v=1774901982 Brimonidine Impurity 24 Brimonidine Impurity 24|C4X-156624 https://www.jk-sci.com/products/s57c4x-156911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515471.png?v=1774986343 Clotrimazole Impurity 11 | 611-19-8 Clotrimazole Impurity 11|C4X-156911|611-19-8 https://www.jk-sci.com/products/s57c4x-156631 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c12e022-731b-4d2c-8f03-d835049e2688.png?v=1775135421 Brimonidine Impurity 31 Brimonidine Impurity 31|C4X-156631 https://www.jk-sci.com/products/s57c4x-156922 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b18621813aa0c111f348ca1a212695.jpg?v=1776413107 Clotrimazole Impurity 22 | 59154-29-9 Clotrimazole Impurity 22|C4X-156922|59154-29-9 https://www.jk-sci.com/products/s57c4x-156626 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd94777f-166e-4b70-91a0-a8f5836a5cb3.png?v=1774969632 Brimonidine Impurity 26 Brimonidine Impurity 26|C4X-156626 https://www.jk-sci.com/products/s57c4x-157725 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34458dbfe9bf06718b81e3e52adf6eec.jpg?v=1776413140 Cefazolin EP Impurity J | 1675245-00-7 Cefazolin EP Impurity J|C4X-157725|1675245-00-7 https://www.jk-sci.com/products/s57c4x-157711 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7d2ddd003b7423517446cfc5ba1b879.jpg?v=1776413132 Cefazolin Impurity 11（Cefazolin USP Impurity E） | 478494-71-2 Cefazolin Impurity 11（Cefazolin USP Impurity E）|C4X-157711|478494-71-2 https://www.jk-sci.com/products/s57c4x-15693 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371713.png?v=1774720131 Clotrimazole EP Impurity C | 42074-68-0 Clotrimazole EP Impurity C|C4X-15693|42074-68-0 https://www.jk-sci.com/products/s57c4x-157541 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ce02dba4-0197-446a-9814-5a16effd8919.png?v=1775141878 Caspofungin for system suitability CRS 2 Caspofungin for system suitability CRS 2|C4X-157541 https://www.jk-sci.com/products/s57c4x-157745 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_84f56383-a802-4040-bdc6-8d921d006643.png?v=1774974435 Cefazolin USP Related Compound D(Diastereoisomer Mixture) Cefazolin USP Related Compound D(Diastereoisomer Mixture)|C4X-157745 https://www.jk-sci.com/products/s57c4x-15743 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34f11d31b1d1751cf2cca5cc8a8598a.jpg?v=1776413122 Carvedilol EP impurity C | 72955-94-3 Carvedilol EP impurity C|C4X-15743|72955-94-3 https://www.jk-sci.com/products/s57c4x-157842 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-157721 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15742 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6483a4be5aefc75cb6835b8a744637c1.jpg?v=1776413115 Carvedilol EP impurity B | 918903-20-5 Carvedilol EP impurity B|C4X-15742|918903-20-5 https://www.jk-sci.com/products/s57c4x-15713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/386987_2e2a57f1-53aa-405b-90f0-6f71fb3cc7b4.png?v=1774725953 Camptothecin 7-Ethyl-10-Hydroxy Impurity | 86639-52-3 Camptothecin 7-Ethyl-10-Hydroxy Impurity|C4X-15713|86639-52-3 https://www.jk-sci.com/products/s57c4x-157410 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2807ff3b60ff1bcac887d3e623b4977.jpg?v=1776413112 Carvedilol impurity 10 | 1276477-91-8 Carvedilol impurity 10|C4X-157410|1276477-91-8 https://www.jk-sci.com/products/s57c4x-157719 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15549954703a3ee5521c93ef47f94685.jpg?v=1776413137 Cefazolin EP Impurity D(Cefazolin USP RC J) | 32510-61-5 Cefazolin EP Impurity D(Cefazolin USP RC J)|C4X-157719|32510-61-5 https://www.jk-sci.com/products/s57c4x-15711 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550528.png?v=1774904570 Camptothecin 10-Hydroxy Impurity | 19685-09-7 Camptothecin 10-Hydroxy Impurity|C4X-15711|19685-09-7 https://www.jk-sci.com/products/s57c4x-157524 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cabedc12d4e32f2ec6be0f23f56231a.jpg?v=1776413128 Caspofungin Impurity 24 | 1131958-73-0 Caspofungin Impurity 24|C4X-157524|1131958-73-0 https://www.jk-sci.com/products/a01315000 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315000.png?v=1784654417 5-Methoxyindole-2-carboxylic acid, 99% | 4382-54-1 5-Methoxyindole-2-carboxylic acid, 99%|315000|4382-54-1 https://www.jk-sci.com/products/ts246cs-0043120 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616863.png?v=1776444876 2-Amino-5-chlorobenzenesulfonic acid | 133-74-4 2-Amino-5-chlorobenzenesulfonic acid|CS-0043120|133-74-4 https://www.jk-sci.com/products/s57c4x-158223 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a92db6df-4493-4ef8-94fe-8638373d7922.png?v=1774666836 Cetirizine Impurity 23 XTFA salt Cetirizine Impurity 23 XTFA salt|C4X-158223 https://www.jk-sci.com/products/s57c4x-15796 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19a0c415fcf98d45f6152cb4d7c1fc33.jpg?v=1776413160 Cefpodoxime Proxetil EP Impurity F | 96680-30-7 Cefpodoxime Proxetil EP Impurity F|C4X-15796|96680-30-7 https://www.jk-sci.com/products/s57c4x-157910 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0cd7ccc8-d1a8-4a21-9621-c58619b4eaec.png?v=1774900753 Cefpodoxime Proxetil Impurity 10 Cefpodoxime Proxetil Impurity 10|C4X-157910 https://www.jk-sci.com/products/s57c4x-157941 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464210.png?v=1775075249 Cefpodoxime Proxetil Impurity 41 | 98298-66-9 Cefpodoxime Proxetil Impurity 41|C4X-157941|98298-66-9 https://www.jk-sci.com/products/s57c4x-15793 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40360aed34cfa2dfc7a7e9ae21024ab6.jpg?v=1776413150 Cefpodoxime Proxetil EP Impurity C | 339528-86-8 Cefpodoxime Proxetil EP Impurity C|C4X-15793|339528-86-8 https://www.jk-sci.com/products/s57c4x-15798 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/056ece95727bb3f41636748362a79025.jpg?v=1776413166 Cefpodoxime Proxetil Impurity 8 | 1192365-87-9 Cefpodoxime Proxetil Impurity 8|C4X-15798|1192365-87-9 https://www.jk-sci.com/products/s57c4x-1579 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-158210 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449713_c1b56538-aefc-4e4e-9a1b-eafe725bf75e.png?v=1774666832 Cetirizine Impurity 10 | 1016-78-0 Cetirizine Impurity 10|C4X-158210|1016-78-0 https://www.jk-sci.com/products/s57c4x-158213 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5300438 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612a6769ca42a7fcd4ef1fea29dd9964.jpg?v=1776315486 Potassium phosphate dibasic, anhydrous | 7758-11-4 Potassium phosphate dibasic, anhydrous|00438|7758-11-4 https://www.jk-sci.com/products/ts246cs-0043141 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4fca6176-c136-4d53-a238-d9605bab4eb5.png?v=1776444903 cis-Ethyl 4-aminocyclohexanecarboxylate hydrochloride | 61367-17-7 cis-Ethyl 4-aminocyclohexanecarboxylate hydrochloride|CS-0043141|61367-17-7 https://www.jk-sci.com/products/ts246cs-0043152 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e28180f5-4f0a-4847-828b-96e7e43bae51.png?v=1776444929 4-Bromo-3-methyl-1H-pyrrolo[2,3-b]pyridine | 1363382-02-8 4-Bromo-3-methyl-1H-pyrrolo[2,3-b]pyridine|CS-0043152|1363382-02-8 https://www.jk-sci.com/products/s57c4x-158224 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5cf7ef4e-cf93-45a8-b5c7-96153354d9b0.png?v=1774734470 Cetirizine Impurity 24 Fumarate Cetirizine Impurity 24 Fumarate|C4X-158224 https://www.jk-sci.com/products/s57c4x-158616 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615a31e03a0acf803dbd3ca25b774851.jpg?v=1776413170 Cholecalciferol EP Impurity F (Cholecalciferol Butyrate) | 31316-20-8 Cholecalciferol EP Impurity F (Cholecalciferol Butyrate)|C4X-158616|31316-20-8 https://www.jk-sci.com/products/s57c4x-158625 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_017da419-6fb0-4db7-a72e-348bd38b60a0.png?v=1774712930 Cholecalciferol Impurity 25 Cholecalciferol Impurity 25|C4X-158625 https://www.jk-sci.com/products/s57c4x-158910 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98141cf98a24388f3d2654444a1ef463.jpg?v=1776413184 Cimetidine EP Impurity J DiHCl | 38603-72-4 Cimetidine EP Impurity J DiHCl|C4X-158910|38603-72-4 https://www.jk-sci.com/products/s57c4x-15893 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45009d7a51f21b9fa9247ed5a4cc01e2.jpg?v=1776413201 Cimetidine EP Impurity C | 77076-18-7 Cimetidine EP Impurity C|C4X-15893|77076-18-7 https://www.jk-sci.com/products/s57c4x-15892 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eef3cc7374028a093cafaa2bb6f98c9f.jpg?v=1776413194 Cimetidine EP Impurity B | 138035-55-9 Cimetidine EP Impurity B|C4X-15892|138035-55-9 https://www.jk-sci.com/products/ts246cs-0043178 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4ef1812-0ff9-4baf-a426-7b934ab90a13.png?v=1776444988 Ethyl 2-cyclopropyl-6-oxo-1,6-dihydropyrimidine-5-carboxylate | 1044770-39-9 Ethyl 2-cyclopropyl-6-oxo-1,6-dihydropyrimidine-5-carboxylate|CS-0043178|1044770-39-9 https://www.jk-sci.com/products/s57c4x-15864 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d631e75d975d0556a329d80b91a197c.jpg?v=1776413178 Cholecalciferol EP Impurity D | 22350-43-2 Cholecalciferol EP Impurity D|C4X-15864|22350-43-2 https://www.jk-sci.com/products/s57c4x-159116 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbdd44341d50b9b60f282a0940906fd9_0d56b397-166e-40fe-bf0c-d4037adf2cdf.jpg?v=1776413264 Parecoxib Impurity 16 | 198471-06-6 Parecoxib Impurity 16|C4X-159116|198471-06-6 https://www.jk-sci.com/products/s57c4x-159044 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15918 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6efdbab9894b1db7b4a86b5888e69f78.jpg?v=1776413275 Parecoxib Impurity 8 | 181696-35-5 Parecoxib Impurity 8|C4X-15918|181696-35-5 https://www.jk-sci.com/products/s57c4x-159144 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/017ecb79a653db2abf710e7f48ee0826.jpg?v=1776413267 Parecoxib Impurity 44 | 2338845-31-9 Parecoxib Impurity 44|C4X-159144|2338845-31-9 https://www.jk-sci.com/products/s57c4x-159017 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d98c7cce71e8928d00cce48a002c0f93.jpg?v=1776413221 Safinamide Impurity 17 | 1205608-96-3 Safinamide Impurity 17|C4X-159017|1205608-96-3 https://www.jk-sci.com/products/s57c4x-15896 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a03b9882ebada6739c1951f39db3be72.jpg?v=1776413207 Cimetidine EP Impurity F | 55272-86-1 Cimetidine EP Impurity F|C4X-15896|55272-86-1 https://www.jk-sci.com/products/s57c4x-159036 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/196e8501f6ced3a747900e1d89dfe9e4.jpg?v=1776413242 Safinamide mesylate | 202825-46-5 Safinamide mesylate|C4X-159036|202825-46-5 https://www.jk-sci.com/products/s57c4x-159022 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb71e40d6c7ce5704104277ddbaedfb1.jpg?v=1776413231 Safinamide Impurity 22 | 1000370-31-9 Safinamide Impurity 22|C4X-159022|1000370-31-9 https://www.jk-sci.com/products/s57c4x-1591 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b68878403f0dd7dbed97989d84c4c15d.jpg?v=1776413258 Parecoxib sodium | 198470-85-8 Parecoxib sodium|C4X-1591|198470-85-8 https://www.jk-sci.com/products/s57c4x-15903 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_31f4c07a-2a73-4cb1-832f-d6f1f1a57088.png?v=1774727750 Safinamide Impurity 3 Safinamide Impurity 3|C4X-15903 https://www.jk-sci.com/products/s57c4x-159150 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-159032 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da4460492e3c219e9b3abd9bf5735cc2.jpg?v=1776413239 Safinamide Impurity 32 | 133865-88-0 Safinamide Impurity 32|C4X-159032|133865-88-0 https://www.jk-sci.com/products/s57c4x-15898 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5dc85fcd9c1d63f0a288c5baacea1a34.jpg?v=1776413215 Cimetidine EP Impurity H | 74886-59-2 Cimetidine EP Impurity H|C4X-15898|74886-59-2 https://www.jk-sci.com/products/s57c4x-15905 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/171ce728c78700d33e2dfb4b39ca89fd.jpg?v=1776413252 Safinamide Impurity 5 | 690969-16-5 Safinamide Impurity 5|C4X-15905|690969-16-5 https://www.jk-sci.com/products/ts246cs-0043183 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_96936e9f-2557-49af-88ff-a12cc6672b06.png?v=1776444997 1-Chloro-9H-carbazole | 5599-70-2 1-Chloro-9H-carbazole|CS-0043183|5599-70-2 https://www.jk-sci.com/products/a01316213 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316213.png?v=1784654453 2-Fluoro-4-(trifluoromethyl)benzoic acid, 98% | 115029-24-8 2-Fluoro-4-(trifluoromethyl)benzoic acid, 98%|316213|115029-24-8 https://www.jk-sci.com/products/s57c4x-158917 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7440b48d4d59361bd6d1f6ac6ad302df.jpg?v=1776413190 Cimetidine EP Impurity A | 52378-40-2 Cimetidine EP Impurity A|C4X-158917|52378-40-2 https://www.jk-sci.com/products/ts246cs-0043163 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_650b3ecd-42c0-446f-8d02-d5194a227e97.png?v=1776444955 (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate hydrochloride | 156046-05-8 (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate hydrochloride|CS-0043163|156046-05-8 https://www.jk-sci.com/products/s57c4x-159020 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459347_ca710dde-184c-454e-82f7-0817038e8355.png?v=1775072794 Safinamide Impurity 20 | 4397-53-9 Safinamide Impurity 20|C4X-159020|4397-53-9 https://www.jk-sci.com/products/s57c4x-159210 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58ced5fef6e448645071f4b8121f034d.jpg?v=1776413279 Clobetasol Propionate EP Impurity J | 1486466-31-2 Clobetasol Propionate EP Impurity J|C4X-159210|1486466-31-2 https://www.jk-sci.com/products/s57c4x-159212 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d823c68822ad805fb2bad6b6aeb40a35.jpg?v=1776413285 Clobetasol Propionate Impurity 12 | 3109-01-1 Clobetasol Propionate Impurity 12|C4X-159212|3109-01-1 https://www.jk-sci.com/products/s57c4x-15928 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9d78864b9c695286cbac31144f744a7.jpg?v=1776413295 Clobetasol Propionate EP Impurity H | 4351-48-8 Clobetasol Propionate EP Impurity H|C4X-15928|4351-48-8 https://www.jk-sci.com/products/s57c4x-15951 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a4955725b54c408c90db2441fbb4c20.jpg?v=1776413301 Cloperastine Impurity 1 | 5630-78-4 Cloperastine Impurity 1|C4X-15951|5630-78-4 https://www.jk-sci.com/products/s57c4x-15931 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/282723_506bac9e-71ac-499c-899d-0b1c86486c41.png?v=1774723993 Clofarabine Impurity 1 | 1839-18-5 Clofarabine Impurity 1|C4X-15931|1839-18-5 https://www.jk-sci.com/products/s57c4x-159216 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec0b3e4f8c26e3578171441cc8f6208.jpg?v=1776413288 Clobetasol Propionate EP Impurity C | 25122-52-5 Clobetasol Propionate EP Impurity C|C4X-159216|25122-52-5 https://www.jk-sci.com/products/s57c4x-159712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/070c2ec3d68e80a15df0ef8e5d4f29b2.jpg?v=1776413310 Cloxacillin EP Impurity E | 18704-55-7 Cloxacillin EP Impurity E|C4X-159712|18704-55-7 https://www.jk-sci.com/products/s57c4x-159612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7b79c43bc172cee0d5b6f39415e88e1.jpg?v=1776413307 Butenafine Impurity 12 | 88-03-9 Butenafine Impurity 12|C4X-159612|88-03-9 https://www.jk-sci.com/products/s57c4x-159718 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/320282.png?v=1774903036 Cloxacillin Impurity 18 | 25629-50-9 Cloxacillin Impurity 18|C4X-159718|25629-50-9 https://www.jk-sci.com/products/s57c4x-15991 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133908_6c8986a6-55cf-4dc3-922c-cac5cf7672eb.png?v=1774736514 Cyclobenzaprine Impurity 1 | 1210-35-1 Cyclobenzaprine Impurity 1|C4X-15991|1210-35-1 https://www.jk-sci.com/products/s57c4x-16016 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/831a3799be926cfe3147edfcc51d0247.jpg?v=1776413319 Cyproterone Impurity 6 | 2668-75-9 Cyproterone Impurity 6|C4X-16016|2668-75-9 https://www.jk-sci.com/products/s57c4x-160624 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc14c76c18bde67c4d108695e1644ee4.jpg?v=1776413323 Darunavir Impurity 24 | 1971057-59-6 Darunavir Impurity 24|C4X-160624|1971057-59-6 https://www.jk-sci.com/products/s57c4x-160631 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-160740 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549998_63a5424e-fe2c-4977-98c2-47449770a8f0.png?v=1774986351 Dasatinib Impurity 40 | 103-76-4 Dasatinib Impurity 40|C4X-160740|103-76-4 https://www.jk-sci.com/products/s57c4x-160751 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c22941907ee657dd252bbe38eaa95be.jpg?v=1776413325 Dasatinib-d8 | 1132093-70-9 Dasatinib-d8|C4X-160751|1132093-70-9 https://www.jk-sci.com/products/s57c4x-16111 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380042.png?v=1775062977 Pheniramine Maleate （Dexchlorpheniramine EP Impurity A Maleate Salt） | 132-20-7 Pheniramine Maleate （Dexchlorpheniramine EP Impurity A Maleate Salt）|C4X-16111|132-20-7 https://www.jk-sci.com/products/s57c4x-152268 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-151313 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16123 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420738.png?v=1774884664 2,3-dimethylpyridine | 583-61-9 2,3-dimethylpyridine|C4X-16123|583-61-9 https://www.jk-sci.com/products/s57c4x-15154 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc90a0601c892b18aac1ec35132f4de7.jpg?v=1776412768 Mycophenolate Mofetil EP Impurity E | 31858-66-9 Mycophenolate Mofetil EP Impurity E|C4X-15154|31858-66-9 https://www.jk-sci.com/products/s57c4x-15252 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f07f924e9e1e2840f5b234ae7229f35.jpg?v=1776412864 Formoterol EP Impurity B | 1224588-66-2 Formoterol EP Impurity B|C4X-15252|1224588-66-2 https://www.jk-sci.com/products/s57c4x-15113 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8127e13ccfdef31b5bae14827afea63a.jpg?v=1776412685 Mirtazapine EP Impurity A | 155172-12-6 Mirtazapine EP Impurity A|C4X-15113|155172-12-6 https://www.jk-sci.com/products/s57c4x-15232 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817cdb79da85e9b09cca01616921057c.jpg?v=1776412845 Rebamipide Impurity 2 | 90098-06-9 Rebamipide Impurity 2|C4X-15232|90098-06-9 https://www.jk-sci.com/products/s57c4x-152660 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-152585 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fc6a7ec-e427-4fbd-bca6-96c511227854.png?v=1774726905 N-Nitroso Formoterol N-Nitroso Formoterol|C4X-152585 https://www.jk-sci.com/products/s57c4x-152640 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd8a91afd6594f5521530534c0b38e3b.jpg?v=1776412887 Thioctic acid Impurity 40 | 91009-31-3 Thioctic acid Impurity 40|C4X-152640|91009-31-3 https://www.jk-sci.com/products/s57c4x-15315 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45589373b027f9e86ee920b9698fbdef.jpg?v=1776412906 Aceclofenac Methyl Ester (Aceclofenac EP Impurity D) | 139272-66-5 Aceclofenac Methyl Ester (Aceclofenac EP Impurity D)|C4X-15315|139272-66-5 https://www.jk-sci.com/products/s57c4x-152713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d18d0038-637f-45b9-87c8-7c732b598203.png?v=1775153254 Abacavir Impurity 13 Abacavir Impurity 13|C4X-152713 https://www.jk-sci.com/products/s57c4x-153213 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_968c4c43-83b5-4534-80b5-712d93790e40.png?v=1774725010 Acetylcysteine Impurity 13 Acetylcysteine Impurity 13|C4X-153213 https://www.jk-sci.com/products/s57c4x-153235 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475960_5ddddd15-5a93-4e6e-ac02-ae2bafbe3b9e.png?v=1775069424 Acetylcysteine Impurity 35 | 52-90-4 Acetylcysteine Impurity 35|C4X-153235|52-90-4 https://www.jk-sci.com/products/s57c4x-153241 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da9fe6f3dc2ca9a5a20237254b5e6301.jpg?v=1776412918 Acetylcysteine Impurity 41 | 13100-82-8 Acetylcysteine Impurity 41|C4X-153241|13100-82-8 https://www.jk-sci.com/products/s57c4x-153228 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e481c42f-7e43-4627-b685-c02555079c57.png?v=1774661122 N,N'-Diacetyl-L-Lanthionine N,N'-Diacetyl-L-Lanthionine|C4X-153228 https://www.jk-sci.com/products/s57c4x-153912 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1ec0bbc9846d1c8b28959a20fc13b00_e668e464-352e-4482-b186-5de2387af4f2.jpg?v=1776412931 Alverine EP Impurity E HCl | 878784-75-9 Alverine EP Impurity E HCl|C4X-153912|878784-75-9 https://www.jk-sci.com/products/s57c4x-1536 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279472_a46ba28f-13b1-4928-a7ca-64bdcbad9c08.png?v=1775140474 Alfuzosin Hydrochloride | 81403-68-1 Alfuzosin Hydrochloride|C4X-1536|81403-68-1 https://www.jk-sci.com/products/s57c4x-15415 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124410_a4023ad2-7fd1-4468-9d6c-a3f49b7a8501.png?v=1774722119 Amitriptyline EP Impurity D | 1159-03-1 Amitriptyline EP Impurity D|C4X-15415|1159-03-1 https://www.jk-sci.com/products/s57c4x-15395 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363724_33996d77-7964-48ca-85da-fef32a4623ef.png?v=1775070377 Alverine Citrate | 5560-59-8 Alverine Citrate|C4X-15395|5560-59-8 https://www.jk-sci.com/products/s57c4x-15353 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5787d6b4c59548ab053f57dedea963d3_57e157f0-4afb-47f7-8eec-dddbbcd3b610.jpg?v=1776412925 Albendazole EP Impurity C | 75184-71-3 Albendazole EP Impurity C|C4X-15353|75184-71-3 https://www.jk-sci.com/products/s57c4x-154212 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e02bf82b-ce45-4f78-bf64-a06e81511ab5.png?v=1775072782 Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers) Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers)|C4X-154212 https://www.jk-sci.com/products/s57c4x-15424 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_652f2c5a-7a21-46ae-80a0-3d0c0e987298.png?v=1774974422 Amorolfine EP Impurity A(Mixture of Enantiomers) Amorolfine EP Impurity A(Mixture of Enantiomers)|C4X-15424 https://www.jk-sci.com/products/s57c4x-154223 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9336fd2-927e-4710-8b5b-70d0999eae15.png?v=1774673809 Amorofen EP impurity K HCI Amorofen EP impurity K HCI|C4X-154223 https://www.jk-sci.com/products/s57c4x-15428 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15492 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488309_bc3366fb-31c3-43d5-b66c-f9f1effc0aa4.png?v=1774741344 Atenolol EP Impurity B | 61698-76-8 Atenolol EP Impurity B|C4X-15492|61698-76-8 https://www.jk-sci.com/products/s57c4x-15473 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/955bfa1385b4f897d969f253c9987072.jpg?v=1776412966 Artesunate Impurity 3 | 82596-30-3 Artesunate Impurity 3|C4X-15473|82596-30-3 https://www.jk-sci.com/products/s57c4x-155011 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2264f6a9573b50436851be4656a59c6a.jpg?v=1776412994 Atomoxetine USP Related Compound B HCl (Racemic) | 873310-28-2 Atomoxetine USP Related Compound B HCl (Racemic)|C4X-155011|873310-28-2 https://www.jk-sci.com/products/s57c4x-15512 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/022aad2b00c671575e03bfabba956206.jpg?v=1776413013 Atovaquone EP Impurity B | 137732-39-9 Atovaquone EP Impurity B|C4X-15512|137732-39-9 https://www.jk-sci.com/products/s57c4x-15497 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a366136a5109606eb0d49d5809814cea.jpg?v=1776412979 Atenolol EP Impurity G | 56392-14-4 Atenolol EP Impurity G|C4X-15497|56392-14-4 https://www.jk-sci.com/products/s57c4x-155029 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_98e34bb3-5e30-4c6e-908a-89e917f8a546.png?v=1774673813 Atomoxetine Impurity 29 Atomoxetine Impurity 29|C4X-155029 https://www.jk-sci.com/products/s57c4x-15504 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc7da9a8530d93442dd6c3a453bd265.jpg?v=1776413007 Atomoxetine EP Impurity D HCl | 1643684-05-2 Atomoxetine EP Impurity D HCl|C4X-15504|1643684-05-2 https://www.jk-sci.com/products/s57c4x-15584 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d42cfdcd1cac8854665e9260b0fd28f.jpg?v=1776413019 Benzenesulfonic Impurity 4 | 55034-26-9 Benzenesulfonic Impurity 4|C4X-15584|55034-26-9 https://www.jk-sci.com/products/s57c4x-156011 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c55645a4a61348dc83fc95f4140fcf7.jpg?v=1776413029 Bifonazole impurity 11 | 73842-48-5 Bifonazole impurity 11|C4X-156011|73842-48-5 https://www.jk-sci.com/products/s57c4x-15609 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15603 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43c261f445035d4aad7495a2ce4c41d3.jpg?v=1776413035 Bifonazole EP Impurity B | 91679-37-7 Bifonazole EP Impurity B|C4X-15603|91679-37-7 https://www.jk-sci.com/products/s57c4x-15633 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86b8d3c378f18ee3b9f5dc5b15d18ac3.jpg?v=1776413064 Biotin EP Impurity A | 1163708-46-0 Biotin EP Impurity A|C4X-15633|1163708-46-0 https://www.jk-sci.com/products/s57c4x-156317 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c2d13421-dc8b-4fd4-bf31-38d0e4078935.png?v=1774988040 Biotin EP Impurity H (Mixture of Diastereomers) | 2714810-33-8 Biotin EP Impurity H (Mixture of Diastereomers)|C4X-156317|2714810-33-8 https://www.jk-sci.com/products/s57c4x-156614 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427165_93b139ba-0882-447e-b6d0-17285068c053.png?v=1775135418 Brimonidine Tartrate | 70359-46-5 Brimonidine Tartrate|C4X-156614|70359-46-5 https://www.jk-sci.com/products/s57c4x-15645 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59d14a2020e403fd759edfe1f69a3c28_6bef7f38-0c5d-41a9-9509-0b2c047332f3.jpg?v=1776413078 Bosentan hydrate | 157212-55-0 Bosentan hydrate|C4X-15645|157212-55-0 https://www.jk-sci.com/products/s57c4x-156622 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15663 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317260_4a836577-3c5c-4a49-a0d6-078051e00113.png?v=1774880507 Brimonidine EP Impurity C | 6298-37-9 Brimonidine EP Impurity C|C4X-15663|6298-37-9 https://www.jk-sci.com/products/s57c4x-15692 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341c9b4f5487e500e43f4dbadf08ae7d.jpg?v=1776413104 Clotrimazole EP Impurity B | 23593-71-7 Clotrimazole EP Impurity B|C4X-15692|23593-71-7 https://www.jk-sci.com/products/s57c4x-15669 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15696 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265131_c59dbdcc-2816-4fd6-a5dc-73827e9ea312.png?v=1775153264 Clotrimazole EP Impurity F | 15469-97-3 Clotrimazole EP Impurity F|C4X-15696|15469-97-3 https://www.jk-sci.com/products/s57c4x-15741 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_277e2f4a-2dae-4253-8228-8bc83d1fbae2.png?v=1774662059 Carvedilol EP impurity A DiHCl Carvedilol EP impurity A DiHCl|C4X-15741 https://www.jk-sci.com/products/s57c4x-157532 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_861edd45-5c0e-406f-91b1-6c00bf27a97c.png?v=1774671708 Caspofungin EP Impurity G Acetate Caspofungin EP Impurity G Acetate|C4X-157532 https://www.jk-sci.com/products/s57c4x-157427 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb53e48a7fe4161862d92bdccd6f03d5.jpg?v=1776413118 Carvedilol Impurity 27 | 1059573-38-4 Carvedilol Impurity 27|C4X-157427|1059573-38-4 https://www.jk-sci.com/products/s57c4x-157718 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc75eae3300fbf763507d19888db98db.jpg?v=1776413134 Cefazolin EP Impurity C | 56842-77-4 Cefazolin EP Impurity C|C4X-157718|56842-77-4 https://www.jk-sci.com/products/s57c4x-157723 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/252264_3c5a9070-a8e2-4052-9876-4add3a712e1f.png?v=1774717411 Cefazolin EP Impurity A | 30246-33-4 Cefazolin EP Impurity A|C4X-157723|30246-33-4 https://www.jk-sci.com/products/s57c4x-15778 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2940df06-b9eb-41ed-af98-45ee08790800.png?v=1774741351 Cefazolin USP RC B Cefazolin USP RC B|C4X-15778 https://www.jk-sci.com/products/s57c4x-15791 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6709e4af383a19be23de9e3f1dade027.jpg?v=1776413144 Cefpodoxime Proxetil EP Impurity A | 80210-62-4 Cefpodoxime Proxetil EP Impurity A|C4X-15791|80210-62-4 https://www.jk-sci.com/products/s57c4x-15794 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de139108c08cf5dcdc513cdaa26ccb0f.jpg?v=1776413153 Cefpodoxime Proxetil EP Impurity D | 947692-13-9 Cefpodoxime Proxetil EP Impurity D|C4X-15794|947692-13-9 https://www.jk-sci.com/products/s57c4x-158211 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15797 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13e206245a68fc44ffdedab329ee77f9.jpg?v=1776413163 Cefpodoxime Proxetil EP Impurity G | 947692-15-1 Cefpodoxime Proxetil EP Impurity G|C4X-15797|947692-15-1 https://www.jk-sci.com/products/s57c4x-158911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd6eae5f6d28adbc0602afbd30f860fb.jpg?v=1776413187 Cimetidine EP Impurity C Dihydrochloride | 52568-80-6 Cimetidine EP Impurity C Dihydrochloride|C4X-158911|52568-80-6 https://www.jk-sci.com/products/s57c4x-15861 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-158921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55b21ca90b17dbf2cf07f117e7626ad9.jpg?v=1776413197 Cimetidine Impurity 21 | 182685-55-8 Cimetidine Impurity 21|C4X-158921|182685-55-8 https://www.jk-sci.com/products/s57c4x-15863 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c35ef8c3bd55e750a35ff50fe692b21.jpg?v=1776413175 Cholecalciferol EP Impurity C | 5226-01-7 Cholecalciferol EP Impurity C|C4X-15863|5226-01-7 https://www.jk-sci.com/products/ts246cs-0043197 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597017.png?v=1776445018 Methyl 4-methoxy-2-methylbenzoate | 35598-05-1 Methyl 4-methoxy-2-methylbenzoate|CS-0043197|35598-05-1 https://www.jk-sci.com/products/s57c4x-15897 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02895342c51aacde44b6ead87520c0c3.jpg?v=1776413211 Cimetidine EP Impurity G | 31857-31-5 Cimetidine EP Impurity G|C4X-15897|31857-31-5 https://www.jk-sci.com/products/s57c4x-159029 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9c0b5526fe781792cfc036a346436f9.jpg?v=1776413233 Safinamide Impurity 29 | 133865-32-4 Safinamide Impurity 29|C4X-159029|133865-32-4 https://www.jk-sci.com/products/s57c4x-15902 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09abe8dd15b3e530cf2f83d961be0c06.jpg?v=1776413224 Safinamide Impurity 2 | 1160513-60-9 Safinamide Impurity 2|C4X-15902|1160513-60-9 https://www.jk-sci.com/products/ts246cs-0043247 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791516.png?v=1776445038 (2-Bromothiophen-3-yl)methanol | 70260-16-1 (2-Bromothiophen-3-yl)methanol|CS-0043247|70260-16-1 https://www.jk-sci.com/products/ts246cs-0043302 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fe3a32a3-1807-4c16-823a-8a9c728ddb96.png?v=1776445061 4-Methoxypyrimidine-5-carboxylic acid | 72411-89-3 4-Methoxypyrimidine-5-carboxylic acid|CS-0043302|72411-89-3 https://www.jk-sci.com/products/s57c4x-159033 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447401_96beb4ad-ccd3-4bd9-91df-7293f127298b.png?v=1775080766 Safinamide Impurity 33 | 405-85-6 Safinamide Impurity 33|C4X-159033|405-85-6 https://www.jk-sci.com/products/s57c4x-159114 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0042d70f8f9e3f47cbaecd49ae813bc.jpg?v=1776413261 Parecoxib Impurity 14 | 1709956-89-7 Parecoxib Impurity 14|C4X-159114|1709956-89-7 https://www.jk-sci.com/products/s57c4x-159049 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9f7dcf73f4e479490fe78983f2063e9.jpg?v=1776413249 Safinamide impurity 49 | 1843368-38-6 Safinamide impurity 49|C4X-159049|1843368-38-6 https://www.jk-sci.com/products/s57c4x-159149 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276e9f1c71c2b8b690b6594df12f8e28.jpg?v=1776413269 Parecoxib | 198470-84-7 Parecoxib|C4X-159149|198470-84-7 https://www.jk-sci.com/products/s57c4x-1612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7de40c7dcdbfe50795c65b90d7a53dc.jpg?v=1776413331 Dexlansoprazole | 138530-94-6 Dexlansoprazole|C4X-1612|138530-94-6 https://www.jk-sci.com/products/s57c4x-15921 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-159213 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15929 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15952 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c8766e9d7c05fa243f0138dc9b61682.jpg?v=1776413304 Cloperastine Impurity 2 | 4960-10-5 Cloperastine Impurity 2|C4X-15952|4960-10-5 https://www.jk-sci.com/products/s57c4x-159717 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f319f7ba1161e40649270041ca67ebc.jpg?v=1776413313 Cloxacillin Impurity 17 | 91059-01-7 Cloxacillin Impurity 17|C4X-159717|91059-01-7 https://www.jk-sci.com/products/s57c4x-16011 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-160628 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792616_109262bb-ab70-4109-9507-3c0b2b4424b1.png?v=1774722138 Darunavir | 206361-99-1 Darunavir|C4X-160628|206361-99-1 https://www.jk-sci.com/products/s57c4x-16131 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325934_a36dfacb-f3ae-49c6-855c-5961c94bb0b8.png?v=1775052686 Dexpanthenol Racemate | 16485-10-2 Dexpanthenol Racemate|C4X-16131|16485-10-2 https://www.jk-sci.com/products/s57c4x-161312 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432489.png?v=1774721191 Dexpanthenol Impurity 12 | 13031-04-4 Dexpanthenol Impurity 12|C4X-161312|13031-04-4 https://www.jk-sci.com/products/s57c4x-160741 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16132 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e799ebd5948d3210f03dc4c6cd6591c.jpg?v=1776413337 Dexpanthenol Impurity 2 | 18679-90-8 Dexpanthenol Impurity 2|C4X-16132|18679-90-8 https://www.jk-sci.com/products/s57c4x-161315 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151452_a30d8614-77ae-4c8e-aded-07ab01b830e9.png?v=1775080771 Dexpanthenol | 81-13-0 Dexpanthenol|C4X-161315|81-13-0 https://www.jk-sci.com/products/s57c4x-1618 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396931_829bc0a0-a2ed-4dcf-866f-de40d8f4973e.png?v=1774734483 Dipyridamole | 58-32-2 Dipyridamole|C4X-1618|58-32-2 https://www.jk-sci.com/products/s57c4x-16184 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2ff20e6c09061bd03e4b1b846c52690.jpg?v=1776413354 Dipyridamole EP Impurity D | 1176886-12-6 Dipyridamole EP Impurity D|C4X-16184|1176886-12-6 https://www.jk-sci.com/products/s57c4x-1619 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f946744363a5d000cb7eca4569975001.jpg?v=1776413357 Docetaxel (Anhydrous) | 114977-28-5 Docetaxel (Anhydrous)|C4X-1619|114977-28-5 https://www.jk-sci.com/products/s57c4x-16182 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da730d6bfc1710aaf72364fe0267a098.jpg?v=1776413346 Dipyridamole EP Impurity B | 16908-47-7 Dipyridamole EP Impurity B|C4X-16182|16908-47-7 https://www.jk-sci.com/products/s57c4x-16194 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e10cf40ffe70b0acd8dba705778da05.jpg?v=1776413369 Docetaxel EP Impurity D | 162784-72-7 Docetaxel EP Impurity D|C4X-16194|162784-72-7 https://www.jk-sci.com/products/s57c4x-161937 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ec747ce28e4194a1f653649369406de.jpg?v=1776413363 Docetaxel Impurity 37 | 172018-16-5 Docetaxel Impurity 37|C4X-161937|172018-16-5 https://www.jk-sci.com/products/s57c4x-161955 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bdb780481109e058b396d8a06ef9511.jpg?v=1776413379 Docetaxel Impurity 55 | 173101-59-2 Docetaxel Impurity 55|C4X-161955|173101-59-2 https://www.jk-sci.com/products/s57c4x-16195 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553230.png?v=1774974441 Docetaxel EP Impurity E | 32981-86-5 Docetaxel EP Impurity E|C4X-16195|32981-86-5 https://www.jk-sci.com/products/s57c4x-162011 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d81a37d3060aa78828d26460dee8852d.jpg?v=1776413391 Dolutegravir Impurity 11 | 1973402-05-9 Dolutegravir Impurity 11|C4X-162011|1973402-05-9 https://www.jk-sci.com/products/s57c4x-1620 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76aae883bb35e77635aec614820b732b.jpg?v=1776413385 Dolutegravir | 1051375-16-6 Dolutegravir|C4X-1620|1051375-16-6 https://www.jk-sci.com/products/s57c4x-16204 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e365a3d1a406a2030dc16e3c8bb86d0.jpg?v=1776413397 Dolutegravir Impurity 4 | 1357289-37-2 Dolutegravir Impurity 4|C4X-16204|1357289-37-2 https://www.jk-sci.com/products/s57c4x-16208 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e3c201c10ba14ca02bae63fa5f5be33.jpg?v=1776413403 Dolutegravir Impurity 8 | 1863916-88-4 Dolutegravir Impurity 8|C4X-16208|1863916-88-4 https://www.jk-sci.com/products/s57c4x-16234 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370693_b21ecfa5-9c54-495e-9916-4e6ceb453ba4.png?v=1774727755 Doxazosin EP Impurity D | 28888-44-0 Doxazosin EP Impurity D|C4X-16234|28888-44-0 https://www.jk-sci.com/products/s57c4x-16232 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/516749.png?v=1774967084 Doxazosin EP Impurity B | 70918-74-0 Doxazosin EP Impurity B|C4X-16232|70918-74-0 https://www.jk-sci.com/products/s57c4x-1623 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340964.png?v=1774901992 Doxazosin Mesylate | 77883-43-3 Doxazosin Mesylate|C4X-1623|77883-43-3 https://www.jk-sci.com/products/s57c4x-1624 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246075.png?v=1775156265 Drospirenone | 67392-87-4 Drospirenone|C4X-1624|67392-87-4 https://www.jk-sci.com/products/s57c4x-16246 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5256fddd000ae006fa2352bb0c650795.jpg?v=1776413412 Drospirenone EP Impurity G | 932388-90-4 Drospirenone EP Impurity G|C4X-16246|932388-90-4 https://www.jk-sci.com/products/s57c4x-16271 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e608f2e8daf466abdfe9ac8a7c35d8e.jpg?v=1776413419 Efavirenz Impurity 1 | 353270-77-6 Efavirenz Impurity 1|C4X-16271|353270-77-6 https://www.jk-sci.com/products/s57c4x-1626 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557190.png?v=1775156270 Ecabet sodium | 86408-72-2 Ecabet sodium|C4X-1626|86408-72-2 https://www.jk-sci.com/products/s57c4x-162711 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5ea43425-bcd4-41a8-abf1-546f746ee6df.png?v=1774904578 Efavirenz Impurity 11 Efavirenz Impurity 11|C4X-162711 https://www.jk-sci.com/products/s57c4x-162715 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105500_20e7882f-3a84-4bc0-b666-72ee25f0b516.png?v=1774712941 Efavirenz Impurity 15 | 127641-25-2 Efavirenz Impurity 15|C4X-162715|127641-25-2 https://www.jk-sci.com/products/s57c4x-162721 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-162724 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16274 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16278 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16282 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d0c563b8-784f-4030-ad3e-f18ea9359879.png?v=1774671717 Enrofloxacin EP Impurity C HCl Enrofloxacin EP Impurity C HCl|C4X-16282 https://www.jk-sci.com/products/s57c4x-162916 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b19124ee8240c5c931b87d5a9906574.jpg?v=1776413440 Entacapone EP Impurity I | 1364322-42-8 Entacapone EP Impurity I|C4X-162916|1364322-42-8 https://www.jk-sci.com/products/s57c4x-16292 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f0a5e80344f8dc834193f8bfcf9bf76.jpg?v=1776413443 Entacapone Impurity 2 | 150995-46-3 Entacapone Impurity 2|C4X-16292|150995-46-3 https://www.jk-sci.com/products/s57c4x-1629 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374228.png?v=1775071615 Entacapone | 130929-57-6 Entacapone|C4X-1629|130929-57-6 https://www.jk-sci.com/products/s57c4x-162924 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee824f1e9401b86b81801b22e54b68ca.jpg?v=1776413450 Entacapone Impurity 24 | 4097-63-6 Entacapone Impurity 24|C4X-162924|4097-63-6 https://www.jk-sci.com/products/s57c4x-162914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f5bad265e2b8be48322b0bd71cca9fe.jpg?v=1776413436 Entacapone EP Impurity G | 1364322-41-7 Entacapone EP Impurity G|C4X-162914|1364322-41-7 https://www.jk-sci.com/products/s57c4x-16293 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cac1d00d141fcf9d49c055b944866f24.jpg?v=1776413453 Entacapone Impurity 3 | 160391-70-8 Entacapone Impurity 3|C4X-16293|160391-70-8 https://www.jk-sci.com/products/s57c4x-16294 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/496d70bf1289d53298d3eaa9293f7cdb.jpg?v=1776413456 Entacapone EP Impurity D | 857629-79-9 Entacapone EP Impurity D|C4X-16294|857629-79-9 https://www.jk-sci.com/products/s57c4x-162947 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b99389cf-2219-47f8-8ecb-93901240c274.png?v=1774662069 Entacapone impurity 47 Entacapone impurity 47|C4X-162947 https://www.jk-sci.com/products/s57c4x-16298 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/774a0b69f11dd9c59c4243480468a5fd.jpg?v=1776413464 Entacapone EP Impurity H | 1150310-15-8 Entacapone EP Impurity H|C4X-16298|1150310-15-8 https://www.jk-sci.com/products/s57c4x-16296 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137e9ea0715070a9a2c27631ad38b8c7.jpg?v=1776413458 Entacapone Impurity 6 | 158693-01-7 Entacapone Impurity 6|C4X-16296|158693-01-7 https://www.jk-sci.com/products/s57c4x-16302 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f1dba9b79a3e4e9806c9056d4573b5.jpg?v=1776413467 Eplerenone EP Impurity B | 192704-82-8 Eplerenone EP Impurity B|C4X-16302|192704-82-8 https://www.jk-sci.com/products/s57c4x-16304 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b20a6de0b417feac540c20894d07de11.jpg?v=1776413473 Eplerenone EP Impurity D | 209253-82-7 Eplerenone EP Impurity D|C4X-16304|209253-82-7 https://www.jk-sci.com/products/s57c4x-16306 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_46ad222c-ab33-4918-95fa-103835b84b35.png?v=1775080779 Eplerenone EP Impurity F(Sodium Salt) Eplerenone EP Impurity F(Sodium Salt)|C4X-16306 https://www.jk-sci.com/products/s57c4x-163310 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701921116b272c02adafe78f430d6bc8.jpg?v=1776413479 Ertapenem Impurity 10 | 1199797-43-7 Ertapenem Impurity 10|C4X-163310|1199797-43-7 https://www.jk-sci.com/products/s57c4x-163313 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-163319 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df8e5c037cb5d0a8431b519179dcdd69.jpg?v=1776413485 Ertapenem Impurity 19 | 866317-77-3 Ertapenem Impurity 19|C4X-163319|866317-77-3 https://www.jk-sci.com/products/s57c4x-163329 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823c93b98a375f7547cbf7353515155e.jpg?v=1776413491 Ertapenem Impurity 29 | 1150883-75-2 Ertapenem Impurity 29|C4X-163329|1150883-75-2 https://www.jk-sci.com/products/s57c4x-163332 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5902fb9ca7d601109e81204f1efe08ba.jpg?v=1776413494 Ertapenem Impurity 32 | 1199797-42-6 Ertapenem Impurity 32|C4X-163332|1199797-42-6 https://www.jk-sci.com/products/s57c4x-163344 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_92457ca0-b7cb-4358-affc-4c4a97ef0f72.png?v=1774672846 Etapenem Impurity 44 Etapenem Impurity 44|C4X-163344 https://www.jk-sci.com/products/s57c4x-163610 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617783.png?v=1774644619 Estradiol Impurity 10 | 1229-24-9 Estradiol Impurity 10|C4X-163610|1229-24-9 https://www.jk-sci.com/products/s57c4x-16339 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0629de930be10493b545ddf8ba413abe.jpg?v=1776413501 Ertapenem Impurity 9 | 402955-37-7 Ertapenem Impurity 9|C4X-16339|402955-37-7 https://www.jk-sci.com/products/s57c4x-163612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b7caa3cbe4a6c1ab0850f173187d6cb.jpg?v=1776413510 Estradiol Impurity 12 | 571-92-6 Estradiol Impurity 12|C4X-163612|571-92-6 https://www.jk-sci.com/products/s57c4x-163620 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207135.png?v=1774661145 Estradiol Impurity 20 | 2398-63-2 Estradiol Impurity 20|C4X-163620|2398-63-2 https://www.jk-sci.com/products/s57c4x-163616 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2dde5575e28c985fdc337ec1609b088.jpg?v=1776413512 17-Biphenylestradiol | 1643577-75-6 17-Biphenylestradiol|C4X-163616|1643577-75-6 https://www.jk-sci.com/products/s57c4x-16375 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145706.png?v=1774741360 Estriol EP Impurity E | 1228-72-4 Estriol EP Impurity E|C4X-16375|1228-72-4 https://www.jk-sci.com/products/s57c4x-16363 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346129_257fa1e7-3901-4aba-8a11-c848a755fd9c.png?v=1774664807 Estradiol Hemihydrate EP Impurity B | 57-91-0 Estradiol Hemihydrate EP Impurity B|C4X-16363|57-91-0 https://www.jk-sci.com/products/s57c4x-1641 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517570.png?v=1775135431 Exemestane | 107868-30-4 Exemestane|C4X-1641|107868-30-4 https://www.jk-sci.com/products/s57c4x-16422 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/427000.png?v=1775156282 Famciclovir Impurity 2 | 104227-88-5 Famciclovir Impurity 2|C4X-16422|104227-88-5 https://www.jk-sci.com/products/s57c4x-16415 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f80787a2bfb75e36687a4e1dac94e1.jpg?v=1776413532 17β-Hydroxy Exemestane | 122370-91-6 17β-Hydroxy Exemestane|C4X-16415|122370-91-6 https://www.jk-sci.com/products/s57c4x-164110 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dca39ed5e54906998fe17328fcb96d3.jpg?v=1776413529 Exemestane EP Impurity F | 72648-46-5 Exemestane EP Impurity F|C4X-164110|72648-46-5 https://www.jk-sci.com/products/ts246cs-0043405 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a69a77ef-4664-4020-82c2-4f337a1d9ec3.png?v=1776445109 2-Chloro-7,8-dihydroquinolin-5(6H)-one | 124467-36-3 2-Chloro-7,8-dihydroquinolin-5(6H)-one|CS-0043405|124467-36-3 https://www.jk-sci.com/products/s57c4x-16452 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421171.png?v=1774882255 Finasteride EP Impurity A | 98319-24-5 Finasteride EP Impurity A|C4X-16452|98319-24-5 https://www.jk-sci.com/products/s57c4x-164314 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16456 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6276bb71b497aac4d79ccadc27241285.jpg?v=1776413538 Finasteride EP Impurity C | 1800205-94-0 Finasteride EP Impurity C|C4X-16456|1800205-94-0 https://www.jk-sci.com/products/s57c4x-16467 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3e28cc1e9672ee7a8b9cbcb99251b6.jpg?v=1776413541 Fingolimod EP Impurity I | 249289-10-9 Fingolimod EP Impurity I|C4X-16467|249289-10-9 https://www.jk-sci.com/products/s57c4x-1649 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae532f8429afe2fc02112845a9ca5634.jpg?v=1776413544 Fluorouracil | 51-21-8 Fluorouracil|C4X-1649|51-21-8 https://www.jk-sci.com/products/s57c4x-164910 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269340_3435aa41-374c-457c-936a-64f4b9655053.png?v=1775055822 Fluorouracil Impurity 10 | 1480-96-2 Fluorouracil Impurity 10|C4X-164910|1480-96-2 https://www.jk-sci.com/products/s57c4x-164925 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_34ce69f6-7772-4cea-bebc-6a378fc0a374.png?v=1774646482 5-Chloro-2-methoxypyrimidin-4(3H)-one 5-Chloro-2-methoxypyrimidin-4(3H)-one|C4X-164925 https://www.jk-sci.com/products/s57c4x-165010 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-165012 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec744722f456e8742fdf545ffdb9e6b4.jpg?v=1776413553 Fluticasone Propionate EP Impurity C | 80474-24-4 Fluticasone Propionate EP Impurity C|C4X-165012|80474-24-4 https://www.jk-sci.com/products/s57c4x-1650106 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_de4490fd-4273-40b3-a523-c47f800ee315.png?v=1774901996 Fluticasone Impurity 106 Fluticasone Impurity 106|C4X-1650106 https://www.jk-sci.com/products/s57c4x-165014 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee5152832cdceef5af62bf33d64f497c.jpg?v=1776413559 Fluticasone Propionate EP Impurity E | 105613-90-9 Fluticasone Propionate EP Impurity E|C4X-165014|105613-90-9 https://www.jk-sci.com/products/s57c4x-165016 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c8b6cf84f8212e97bb8c3db70cf4821.jpg?v=1776413562 Fluticasone Propionate EP Impurity H | 201812-64-8 Fluticasone Propionate EP Impurity H|C4X-165016|201812-64-8 https://www.jk-sci.com/products/s57c4x-165020 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29a3de1b3d95d76de2eace71e8424f9.jpg?v=1776413569 Fluticasone Impurity 20 | 397864-63-0 Fluticasone Impurity 20|C4X-165020|397864-63-0 https://www.jk-sci.com/products/s57c4x-165025 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58e73d5c45edc6c8c25d35ba66275757.jpg?v=1776413575 Fluticasone Impurity 25 | 1374153-88-4 Fluticasone Impurity 25|C4X-165025|1374153-88-4 https://www.jk-sci.com/products/s57c4x-165029 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a982e6c4-0a97-437f-91b2-db01e6cdbe85.png?v=1775078806 Fluticasone Furoate EP Impurity L Fluticasone Furoate EP Impurity L|C4X-165029 https://www.jk-sci.com/products/s57c4x-165031 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eaea0d4b14deca95f3269f21801a172.jpg?v=1776413578 Fluticasone 17-beta-Carboxylic Acid | 28416-82-2 Fluticasone 17-beta-Carboxylic Acid|C4X-165031|28416-82-2 https://www.jk-sci.com/products/s57c4x-15118 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7959fc237b23317d97e70d56dfdd6c7c.jpg?v=1776412696 Mirtazapine EP Impurity F | 191546-97-1 Mirtazapine EP Impurity F|C4X-15118|191546-97-1 https://www.jk-sci.com/products/s57c4x-15238 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/549678_2a633bca-d014-4a8f-bb9f-99f63b7a86f4.png?v=1775156251 Rebamipide Impurity 8 | 4876-14-6 Rebamipide Impurity 8|C4X-15238|4876-14-6 https://www.jk-sci.com/products/s57c4x-152217 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a602ad1ae315f59e5613fd6ee0e540c2.jpg?v=1776412828 Aztreonam tert butyl ester | 330944-50-8 Aztreonam tert butyl ester|C4X-152217|330944-50-8 https://www.jk-sci.com/products/s57c4x-152662 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15d95c0bb80aaf12d8041544d9150a5.jpg?v=1776412893 Thioctic acid impurity 62 | 93892-06-9 Thioctic acid impurity 62|C4X-152662|93892-06-9 https://www.jk-sci.com/products/s57c4x-15263 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15134 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2108d6196bdf392f680557829d7982e.jpg?v=1776412710 Doxofylline Impurity 4 | 2095554-12-2 Doxofylline Impurity 4|C4X-15134|2095554-12-2 https://www.jk-sci.com/products/s57c4x-15255 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1442abe3a029b1cedc7090c54af99728.jpg?v=1776412873 Formoterol EP Impurity E | 1616967-26-0 Formoterol EP Impurity E|C4X-15255|1616967-26-0 https://www.jk-sci.com/products/s57c4x-153217 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_15c5b9e2-8e7b-42ce-988d-dbad1bf8da57.png?v=1775080752 Acetylcysteine Impurity 17 Acetylcysteine Impurity 17|C4X-153217 https://www.jk-sci.com/products/s57c4x-15311 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279895ba5381f6f493fce81e7c536c25.jpg?v=1776412903 Aceclofenac EP Impurity G | 1215709-75-3 Aceclofenac EP Impurity G|C4X-15311|1215709-75-3 https://www.jk-sci.com/products/s57c4x-153237 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354287_970ae9c4-ec62-4fa8-a8fc-854e83e552d4.png?v=1774904565 Acetylcysteine Impurity 37 | 19547-88-7 Acetylcysteine Impurity 37|C4X-153237|19547-88-7 https://www.jk-sci.com/products/s57c4x-153210 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-152310 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4dc0f5b0-1a74-4137-9a7f-7086ada50075.png?v=1774723980 Rebamipide Impurity 10 Rebamipide Impurity 10|C4X-152310 https://www.jk-sci.com/products/s57c4x-15352 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15391 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493955_1c7d946f-936e-47a6-a793-fc61aa0572e5.png?v=1775052664 Alverine EP Impurity A | 104-52-9 Alverine EP Impurity A|C4X-15391|104-52-9 https://www.jk-sci.com/products/s57c4x-15413 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253030_d9cad876-bfde-46b3-a76b-33b636d47b32.png?v=1774642437 Amitriptyline EP Impurity C | 894-71-3 Amitriptyline EP Impurity C|C4X-15413|894-71-3 https://www.jk-sci.com/products/s57c4x-152651 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56785016e7bddcead68eeb48a7a2eae8.jpg?v=1776412890 Thioctic Acid Impurity 51 | 56535-97-8 Thioctic Acid Impurity 51|C4X-152651|56535-97-8 https://www.jk-sci.com/products/s57c4x-15355 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513039_5d4a1362-8757-4acc-90f3-4a47bda112d8.png?v=1774969622 Albendazole EP Impurity E | 10605-21-7 Albendazole EP Impurity E|C4X-15355|10605-21-7 https://www.jk-sci.com/products/s57c4x-154225 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43518fa00e9f33d3aadb1c2e7bd22436.jpg?v=1776412949 Amorolfine lmpurity 25 | 2497333-07-8 Amorolfine lmpurity 25|C4X-154225|2497333-07-8 https://www.jk-sci.com/products/s57c4x-15495 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298504_8398c3da-e38d-4dac-811d-de38675e1260.png?v=1774642441 Atenolol EP Impurity E | 141650-31-9 Atenolol EP Impurity E|C4X-15495|141650-31-9 https://www.jk-sci.com/products/s57c4x-154210 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_261842a7-53cb-44ad-8142-be4147d838d7.png?v=1774672825 Amorolfine EP Impurity J HCl Amorolfine EP Impurity J HCl|C4X-154210 https://www.jk-sci.com/products/s57c4x-1544 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc0a1c9f78cb53272f8427ca8e56943e.jpg?v=1776412962 Anidulafungin | 166663-25-8 Anidulafungin|C4X-1544|166663-25-8 https://www.jk-sci.com/products/s57c4x-155019 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_44f45624-ea6c-4570-8fdf-0910f439146a.png?v=1775135407 Atomoxetine Impurity 19 Atomoxetine Impurity 19|C4X-155019 https://www.jk-sci.com/products/s57c4x-15606 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1e29d295176a2b574ab3b5e448cd07.jpg?v=1776413041 α-(4-Biphenylyl)Benzylamine | 91487-88-6 α-(4-Biphenylyl)Benzylamine|C4X-15606|91487-88-6 https://www.jk-sci.com/products/s57c4x-15507 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ca9fe27ca7796fea5637a014999a4ee.jpg?v=1776413010 Atomoxetine EP Impurity A HCl | 873310-33-9 Atomoxetine EP Impurity A HCl|C4X-15507|873310-33-9 https://www.jk-sci.com/products/s57c4x-15597 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1feaa27a4e5b96c4296eaae24caa50d.jpg?v=1776413023 Betaxolol Impurity 7 | 91878-54-5 Betaxolol Impurity 7|C4X-15597|91878-54-5 https://www.jk-sci.com/products/s57c4x-15632 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/066c63debe40afd5b11470eae7cc274c.jpg?v=1776413061 Biotin Impurity 2((-)-Biotin Sulfoxide) | 3376-83-8 Biotin Impurity 2((-)-Biotin Sulfoxide)|C4X-15632|3376-83-8 https://www.jk-sci.com/products/s57c4x-156611 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-157720 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-157522 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15691 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1467ba2e167485c2f5a19dbc3e4b3ba1.jpg?v=1776413101 Clotrimazole EP Impurity A | 66774-02-5 Clotrimazole EP Impurity A|C4X-15691|66774-02-5 https://www.jk-sci.com/products/s57c4x-15712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/632954_a16e2103-eaa4-41dd-9098-26cfdf52efd2.png?v=1774725949 Irinotecan USP Rc E | 78287-27-1 Irinotecan USP Rc E|C4X-15712|78287-27-1 https://www.jk-sci.com/products/s57c4x-156625 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f07f1b26c59d91d54544503e83b304dc.jpg?v=1776413093 Brimonidine Impurity 25 | 135306-57-9 Brimonidine Impurity 25|C4X-156625|135306-57-9 https://www.jk-sci.com/products/s57c4x-15795 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8f187ce1df2aa2455988661131a56cf.jpg?v=1776413156 Cefpodoxime Proxetil EP Impurity E | 217803-89-9 Cefpodoxime Proxetil EP Impurity E|C4X-15795|217803-89-9 https://www.jk-sci.com/products/s57c4x-157850 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56e57571-b98d-4096-ad00-c110d52f5b58.png?v=1775052672 Cefoxitin Impurity 50 Cefoxitin Impurity 50|C4X-157850 https://www.jk-sci.com/products/s57c4x-158217 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15894 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8b65b0a42cebebc9e6ceedd124bdfe0.jpg?v=1776413204 Cimetidine EP Impurity D DiHCl | 59660-24-1 Cimetidine EP Impurity D DiHCl|C4X-15894|59660-24-1 https://www.jk-sci.com/products/s57c4x-15866 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0693630aac5c7e9399cce47d7d52739.jpg?v=1776413181 Precalciferol (Previtamin D3) | 1173-13-3 Precalciferol (Previtamin D3)|C4X-15866|1173-13-3 https://www.jk-sci.com/products/s57c4x-159021 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a9667c47d94264e631abebd805875b.jpg?v=1776413227 Safinamide Impurity 21 | 590353-54-1 Safinamide Impurity 21|C4X-159021|590353-54-1 https://www.jk-sci.com/products/s57c4x-159037 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1354c816590487fe1b54de245f36664c.jpg?v=1776413245 Safinamide Impurity 37 | 1000370-27-3 Safinamide Impurity 37|C4X-159037|1000370-27-3 https://www.jk-sci.com/products/s57c4x-15912 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492148_d10f88c3-c87e-4d4e-a84d-ec02cfb57dfd.png?v=1774965591 Parecoxib Impurity 2 | 181695-72-7 Parecoxib Impurity 2|C4X-15912|181695-72-7 https://www.jk-sci.com/products/s57c4x-159211 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1141a0520c05268f694fc645e9525ea5.jpg?v=1776413282 Clobetasol Propionate EP Impurity K | 75883-07-7 Clobetasol Propionate EP Impurity K|C4X-159211|75883-07-7 https://www.jk-sci.com/products/s57c4x-15946 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e4b3d3d646cd552f0ef346d97118907.jpg?v=1776413298 Clonidine EP Impurity B | 54707-71-0 Clonidine EP Impurity B|C4X-15946|54707-71-0 https://www.jk-sci.com/products/s57c4x-15973 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/080d5fb30419635c1c98fdf8531f9774.jpg?v=1776413316 Cloxacillin EP Impurity B | 1642559-64-5 Cloxacillin EP Impurity B|C4X-15973|1642559-64-5 https://www.jk-sci.com/products/s57c4x-16072 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813191_ec10e51c-7610-4175-9151-77cbdc4dca46.png?v=1774668873 Dasatinib Impurity 2 | 910297-52-8 Dasatinib Impurity 2|C4X-16072|910297-52-8 https://www.jk-sci.com/products/s57c4x-161250 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/564837_d1e24453-0f00-4f09-8af4-30f2e1fc67eb.png?v=1774971812 Dexlansoprazole Impurity 50 | 87-91-2 Dexlansoprazole Impurity 50|C4X-161250|87-91-2 https://www.jk-sci.com/products/s57c4x-16183 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee585537c215ec6a061033ccd854be94.jpg?v=1776413350 Dipyridamole EP Impurity C | 54093-92-4 Dipyridamole EP Impurity C|C4X-16183|54093-92-4 https://www.jk-sci.com/products/s57c4x-161313 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b44c5a72f539f17fc0874723eeb5c7a_3cd346f8-9f43-4ae1-8b6a-2e9a616bf219.jpg?v=1776413334 Dexpanthenol Impurity 13 | 505-47-5 Dexpanthenol Impurity 13|C4X-161313|505-47-5 https://www.jk-sci.com/products/s57c4x-162930 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/222783_f986b366-6888-459e-ad2d-fa6c1efc3e23.png?v=1774646479 Entacapone Impurity 30 | 148-53-8 Entacapone Impurity 30|C4X-162930|148-53-8 https://www.jk-sci.com/products/s57c4x-161940 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273681970f8e78657f5eef3aa8301318.jpg?v=1776413372 Docetaxel Impurity 40 | 92950-45-3 Docetaxel Impurity 40|C4X-161940|92950-45-3 https://www.jk-sci.com/products/s57c4x-162722 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac71b991327c607f87d7bd1e17f5826b.jpg?v=1776413423 Efavirenz USP Related Compound B | 440124-96-9 Efavirenz USP Related Compound B|C4X-162722|440124-96-9 https://www.jk-sci.com/products/s57c4x-16209 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16332 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c54f9bbff3d943a2688e53da9427efb0.jpg?v=1776413488 Ertapenem Impurity Pro-maba | 724700-26-9 Ertapenem Impurity Pro-maba|C4X-16332|724700-26-9 https://www.jk-sci.com/products/s57c4x-162922 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394ab5e946acff3ec8d1665b15a50633.jpg?v=1776413447 Entacapone Impurity 22 | 857629-78-8 Entacapone Impurity 22|C4X-162922|857629-78-8 https://www.jk-sci.com/products/s57c4x-162714 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f633f8f3-dbc3-40f2-b8a3-fd694a2e2d9b.png?v=1774667837 Efavirenz USP Related Compound A Efavirenz USP Related Compound A|C4X-162714 https://www.jk-sci.com/products/s57c4x-16301 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-1627 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204716_cd24c27d-02b3-4c98-8bb0-0dc413d42a13.png?v=1775062993 Efavirenz | 154598-52-4 Efavirenz|C4X-1627|154598-52-4 https://www.jk-sci.com/products/s57c4x-16141 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/851c85df3f2c6a5d26dab0aca80f9b5c.jpg?v=1776413340 Diclofenac Impurity 1 | 66505-80-4 Diclofenac Impurity 1|C4X-16141|66505-80-4 https://www.jk-sci.com/products/s57c4x-161972 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b0c98c02209270c25c41d5492bdb988.jpg?v=1776413382 Docetaxel Impurity 72 | 959123-35-4 Docetaxel Impurity 72|C4X-161972|959123-35-4 https://www.jk-sci.com/products/s57c4x-162915 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236329_0caf7edf-2ce2-4093-90c8-f1968d0bca90.png?v=1774969642 Entacapone EP Impurity C(Mixtures of tautomers) | 116313-85-0 Entacapone EP Impurity C(Mixtures of tautomers)|C4X-162915|116313-85-0 https://www.jk-sci.com/products/s57c4x-16241 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a835d1799b1bce1e0fb968c9435bd4a6.jpg?v=1776413409 Drospirenone EP Impurity A | 67372-68-3 Drospirenone EP Impurity A|C4X-16241|67372-68-3 https://www.jk-sci.com/products/s57c4x-163337 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-163311 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f487cac853fc3b1a75b9ec19985bf54.jpg?v=1776413482 Ertapenem Impurity 11 | 402955-38-8 Ertapenem Impurity 11|C4X-163311|402955-38-8 https://www.jk-sci.com/products/s57c4x-161911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a34455df1269d0493b909ab95635978.jpg?v=1776413360 Docetaxel Impurity 11 | 114915-14-9 Docetaxel Impurity 11|C4X-161911|114915-14-9 https://www.jk-sci.com/products/s57c4x-16287 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad64ce9705d4467fdecd1086b261a8b3.jpg?v=1776413433 Enrofloxacin Impurity 7 | 93107-31-4 Enrofloxacin Impurity 7|C4X-16287|93107-31-4 https://www.jk-sci.com/products/s57c4x-162951 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c3a1f533-7913-4f63-a2c9-76bda2848cd6.png?v=1774644612 Entacapone impurity 51 Entacapone impurity 51|C4X-162951 https://www.jk-sci.com/products/s57c4x-16277 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3371cf1ddd76ef28043cf3e03c857eb.jpg?v=1776413429 Efavirenz Impurity 7 | 211563-41-6 Efavirenz Impurity 7|C4X-16277|211563-41-6 https://www.jk-sci.com/products/s57c4x-16305 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27ad31fba3838ba0148c090141579746.jpg?v=1776413476 Eplerenone EP Impurity E | 209253-81-6 Eplerenone EP Impurity E|C4X-16305|209253-81-6 https://www.jk-sci.com/products/s57c4x-162016 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44af0c7726239a570498b01541391a7.jpg?v=1776413394 Dolutegravir Impurity 16 | 2244161-73-5 Dolutegravir Impurity 16|C4X-162016|2244161-73-5 https://www.jk-sci.com/products/s57c4x-16233 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3dfeb5199597352485fde07e7a7e12fd.jpg?v=1776413406 Doxazosin EP Impurity C | 617677-53-9 Doxazosin EP Impurity C|C4X-16233|617677-53-9 https://www.jk-sci.com/products/s57c4x-16361 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95f8147f8a208efc7c0d2f1d663383c1.jpg?v=1776413504 Estradiol EP Impurity D | 791-69-5 Estradiol EP Impurity D|C4X-16361|791-69-5 https://www.jk-sci.com/products/s57c4x-163613 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-164313 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ab046b9-843e-450b-adc0-126b4be8d812.png?v=1774669815 Fenofibrate Impurity 13 Fenofibrate Impurity 13|C4X-164313 https://www.jk-sci.com/products/s57c4x-164132 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443411_5cb68765-24dc-42e6-85b6-66297385ee1a.png?v=1774880534 Androstenediol | 521-17-5 Androstenediol|C4X-164132|521-17-5 https://www.jk-sci.com/products/s57c4x-163625 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62d068ac1150486f6cac64d18ab4f289.jpg?v=1776413518 Estradiol Impurity 25 | 4245-41-4 Estradiol Impurity 25|C4X-163625|4245-41-4 https://www.jk-sci.com/products/s57c4x-16455 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a9167d3e4038bfebe1ac5a4973178bb.jpg?v=1776413535 Finasteride Impurity 5 | 2760543-46-0 Finasteride Impurity 5|C4X-16455|2760543-46-0 https://www.jk-sci.com/products/s57c4x-16376 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/321184_4813c626-f145-44f9-b4a8-f4d3d02a1b42.png?v=1775156276 Estriol EP Impurity F | 547-81-9 Estriol EP Impurity F|C4X-16376|547-81-9 https://www.jk-sci.com/products/s57c4x-16474 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471303_9163e7ce-db42-49ef-a9f0-57a11d2d47f1.png?v=1774721196 Flucloxacillin Sodium EP Impurity D | 3919-74-2 Flucloxacillin Sodium EP Impurity D|C4X-16474|3919-74-2 https://www.jk-sci.com/products/s57c4x-164914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558013_3aa458aa-8c13-4052-9234-9d0e9f2b6b70.png?v=1774665910 Fluorouracil Impurity 14 | 6623-81-0 Fluorouracil Impurity 14|C4X-164914|6623-81-0 https://www.jk-sci.com/products/s57c4x-165013 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9c23380484bd26a15b492597e786468.jpg?v=1776413556 Fluticasone USP related compound B | 219719-95-6 Fluticasone USP related compound B|C4X-165013|219719-95-6 https://www.jk-sci.com/products/s57c4x-1650105 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8c3290f-da11-4b1a-8376-cc3c50fca83f.png?v=1774962549 Fluticasone Impurity 105 Fluticasone Impurity 105|C4X-1650105 https://www.jk-sci.com/products/ts246cs-0043476 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_99bafb4c-7ede-4d12-ad95-300d23a62ace.png?v=1776445127 3-(Tert-butyl)-1H-pyrazole | 15802-80-9 3-(Tert-butyl)-1H-pyrazole|CS-0043476|15802-80-9 https://www.jk-sci.com/products/ts246cs-0043487 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ba3a228-649d-4093-85f5-94d16aea991a.png?v=1776445141 4-Chloro-2-methyl-5-nitrobenzoic acid | 476660-41-0 4-Chloro-2-methyl-5-nitrobenzoic acid|CS-0043487|476660-41-0 https://www.jk-sci.com/products/a01316452 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316452.png?v=1784654458 1H,1H,2H-Heptafluorocyclopentane, 98% | 15290-77-4 1H,1H,2H-Heptafluorocyclopentane, 98%|316452|15290-77-4 https://www.jk-sci.com/products/s57c4x-165024 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e603f8d62552a7eaffaf34247371ebe.jpg?v=1776413572 Fluticasone Impurity 24 | 785806-96-4 Fluticasone Impurity 24|C4X-165024|785806-96-4 https://www.jk-sci.com/products/ts246cs-0043558 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_643e8fdc-632d-4eba-8fbf-2fc36db02f96.png?v=1776445165 2-Amino-3-cyclopropylpropanoic acid | 15785-52-1 2-Amino-3-cyclopropylpropanoic acid|CS-0043558|15785-52-1 https://www.jk-sci.com/products/s57c4x-165030 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f6585e6-d624-49ac-afb4-f7c04f1e03e4.png?v=1775072806 Fluticasone Impurity 30 Fluticasone Impurity 30|C4X-165030 https://www.jk-sci.com/products/ts246cs-0043597 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500419.png?v=1776445202 6-Fluorobenzo[d]thiazole | 118220-71-6 6-Fluorobenzo[d]thiazole|CS-0043597|118220-71-6 https://www.jk-sci.com/products/ts246cs-0020162 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/506290.png?v=1776430618 (4S)-4-Hydroxy-D-proline | 3398-22-9 (4S)-4-Hydroxy-D-proline|CS-0020162|3398-22-9 https://www.jk-sci.com/products/s57c4x-165035 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5000e550-a89e-4ee4-bc72-6d7267f2ce1a.png?v=1774727763 Fluticasone Impurity 35 Fluticasone Impurity 35|C4X-165035 https://www.jk-sci.com/products/s57c4x-165044 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb48e966-4811-4b16-902c-c7c7426e11ad.png?v=1774640795 Fluticasone Propionate EP Impurity K Fluticasone Propionate EP Impurity K|C4X-165044 https://www.jk-sci.com/products/s57c4x-165042 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_20d7a15d-c33d-44e9-ba8e-d495db9e231e.png?v=1774669818 Fluticasone Impurity 42 Fluticasone Impurity 42|C4X-165042 https://www.jk-sci.com/products/s57c4x-16507 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b519b47e08593444234197d4e898d83.jpg?v=1776413595 Fluticasone Propionate EP Impurity G | 220589-37-7 Fluticasone Propionate EP Impurity G|C4X-16507|220589-37-7 https://www.jk-sci.com/products/ts246cs-0043570 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3724a908-57f6-4cfc-9453-dd01ffad9179.png?v=1776445171 (R)-2-Amino-2-(oxetan-3-yl)acetic acid | 394653-43-1 (R)-2-Amino-2-(oxetan-3-yl)acetic acid|CS-0043570|394653-43-1 https://www.jk-sci.com/products/s57c4x-1651 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269309.png?v=1775155067 Fluvastatin Sodium Salt | 93957-55-2 Fluvastatin Sodium Salt|C4X-1651|93957-55-2 https://www.jk-sci.com/products/ts246cs-0043619 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303547.png?v=1776445221 4-(Ethylthio)benzoic acid | 13205-49-7 4-(Ethylthio)benzoic acid|CS-0043619|13205-49-7 https://www.jk-sci.com/products/s57c4x-165112 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fbe5c17f4bb7992708582cde3750ba5.jpg?v=1776413605 Fluvastatin EP Impurity F Sodium Salt | 2118370-51-5 Fluvastatin EP Impurity F Sodium Salt|C4X-165112|2118370-51-5 https://www.jk-sci.com/products/s57c4x-16513 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5eab6e43-7db0-4900-b357-51f7feac39dd.png?v=1774725027 Fluvastatin EP Impurity C(Sodium Salt) Fluvastatin EP Impurity C(Sodium Salt)|C4X-16513 https://www.jk-sci.com/products/ts246cs-0043671 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b753f611-02b1-4aa5-9bb8-bf39877d2e0f.png?v=1776445258 2-Bromo-4-chloro-6-methylphenol | 54852-68-5 2-Bromo-4-chloro-6-methylphenol|CS-0043671|54852-68-5 https://www.jk-sci.com/products/s57c4x-16515 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16521 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80cc9b5aac6bddfacf1ebe4a34bb95a5.jpg?v=1776413613 Fosinopril Impurity 1 | 72651-25-3 Fosinopril Impurity 1|C4X-16521|72651-25-3 https://www.jk-sci.com/products/ts246cs-0043682 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fa013953-e35f-4daf-aa6c-fab5cf3bede8.png?v=1776445290 Methyl 4-cyano-2-fluorobenzoate | 175596-01-7 Methyl 4-cyano-2-fluorobenzoate|CS-0043682|175596-01-7 https://www.jk-sci.com/products/s57c4x-16567 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-165413 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273925_f5fc02b4-a6f5-439e-9275-4e9ae5f20706.png?v=1774884683 Gabapentin Impurity 13 | 1130-32-1 Gabapentin Impurity 13|C4X-165413|1130-32-1 https://www.jk-sci.com/products/ts246cs-0043689 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_276a6d02-8290-4419-962b-589c24ea97a9.png?v=1776445304 4-Nitroisoindolin-1-one | 366452-97-3 4-Nitroisoindolin-1-one|CS-0043689|366452-97-3 https://www.jk-sci.com/products/s57c4x-16547 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345d523740facbe11a5bf853f6f4d052.jpg?v=1776413620 Gabapentin EP Impurity G | 1500558-49-5 Gabapentin EP Impurity G|C4X-16547|1500558-49-5 https://www.jk-sci.com/products/s57c4x-16542 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622726.png?v=1775143289 Gabapentin EP Impurity B | 133481-09-1 Gabapentin EP Impurity B|C4X-16542|133481-09-1 https://www.jk-sci.com/products/s57c4x-16561 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331051.png?v=1774734492 Glyburide USP RC A | 16673-34-0 Glyburide USP RC A|C4X-16561|16673-34-0 https://www.jk-sci.com/products/s57c4x-16592 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435ca7af64ea72fd26b60fdfcab090f4.jpg?v=1776413627 Hydralazine Impurity 2 | 24030-07-7 Hydralazine Impurity 2|C4X-16592|24030-07-7 https://www.jk-sci.com/products/s57c4x-166110 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254997_f05eb799-6c7b-436a-b491-eb582d28761f.png?v=1774988061 Iloperidone Impurity 10 | 106266-04-0 Iloperidone Impurity 10|C4X-166110|106266-04-0 https://www.jk-sci.com/products/s57c4x-1662109 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad759d60-43a9-40fb-a759-d930658176f3.png?v=1774719060 Imipenem-cilastatin adduct Imipenem-cilastatin adduct|C4X-1662109 https://www.jk-sci.com/products/ts246cs-0043698 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a61cf70d-ef76-4382-8985-992e6a11f471.png?v=1776445322 6-Methylimidazo[1,2-a]pyrimidine-3-carboxylic acid | 1020035-04-4 6-Methylimidazo[1,2-a]pyrimidine-3-carboxylic acid|CS-0043698|1020035-04-4 https://www.jk-sci.com/products/ts246cs-0043710 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c3d4e048-7ccd-4890-bea5-7181039c53f6.png?v=1776445346 Methyl 1H-pyrrolo[2,3-c]pyridine-3-carboxylate | 108128-12-7 Methyl 1H-pyrrolo[2,3-c]pyridine-3-carboxylate|CS-0043710|108128-12-7 https://www.jk-sci.com/products/ts246cs-0043715 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331877.png?v=1776445364 6-Methoxyquinazolin-4-ol | 19181-64-7 6-Methoxyquinazolin-4-ol|CS-0043715|19181-64-7 https://www.jk-sci.com/products/ts246cs-0043748 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d35a70b8-4ba5-48db-af74-4e3b5d17740b.png?v=1776445438 2-(Difluoromethyl)-5-nitropyridine | 1646152-46-6 2-(Difluoromethyl)-5-nitropyridine|CS-0043748|1646152-46-6 https://www.jk-sci.com/products/ts246cs-0043756 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381205.png?v=1776445454 4-Methylpyridine-3-sulfonic acid | 4808-71-3 4-Methylpyridine-3-sulfonic acid|CS-0043756|4808-71-3 https://www.jk-sci.com/products/ts246cs-0043770 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_16df537a-a7b7-4817-bdac-4f77375b84b7.png?v=1776445480 Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate | 123770-62-7 Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate|CS-0043770|123770-62-7 https://www.jk-sci.com/products/ts246cs-0043794 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_608cc390-c1de-40f6-89ae-66863177639d.png?v=1776445527 Methyl 5-fluoro-6-methylpicolinate | 1245647-61-3 Methyl 5-fluoro-6-methylpicolinate|CS-0043794|1245647-61-3 https://www.jk-sci.com/products/ts246cs-0043777 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f05591ce-a60c-4ace-9891-181e4248ff69.png?v=1776445498 2-Formyl-1H-indole-6-carbonitrile | 104291-63-6 2-Formyl-1H-indole-6-carbonitrile|CS-0043777|104291-63-6 https://www.jk-sci.com/products/ts246cs-0043774 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47f9e090-7e7c-4f9a-ae32-b4f51622c1fe.png?v=1776445489 4-Amino-3-chloro-5-fluorobenzonitrile | 1147558-43-7 4-Amino-3-chloro-5-fluorobenzonitrile|CS-0043774|1147558-43-7 https://www.jk-sci.com/products/ts246cs-0043802 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220549.png?v=1776445539 5-Fluoro-1H-benzo[d]imidazole-2(3H)-thione | 583-42-6 5-Fluoro-1H-benzo[d]imidazole-2(3H)-thione|CS-0043802|583-42-6 https://www.jk-sci.com/products/ts246cs-0043832 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132340.png?v=1776445602 2-Isopropoxynicotinaldehyde | 885278-10-4 2-Isopropoxynicotinaldehyde|CS-0043832|885278-10-4 https://www.jk-sci.com/products/ts246cs-0043824 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71b6036b-b2ef-4e74-b495-eac446f23d41.png?v=1776445584 3-Fluoro-5-nitrobenzonitrile | 110882-60-5 3-Fluoro-5-nitrobenzonitrile|CS-0043824|110882-60-5 https://www.jk-sci.com/products/ts246cs-0043818 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4969482d-cb45-4966-b8cc-0a65e6d7e266.png?v=1776445569 Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate | 1454848-65-7 Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate|CS-0043818|1454848-65-7 https://www.jk-sci.com/products/ts246cs-0043837 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c310d6f-3b17-4a5d-9826-a72c593a758f.png?v=1776445612 2-(4-Fluoro-3-methoxyphenyl)acetonitrile | 850565-37-6 2-(4-Fluoro-3-methoxyphenyl)acetonitrile|CS-0043837|850565-37-6 https://www.jk-sci.com/products/s57c4x-16618 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc94e5f46dcd60e878a71695abcb453_55844bf4-d49e-4a4b-afa4-3b181fb23c95.jpg?v=1776413630 Iloperidone Impurity 8 | 1209459-88-0 Iloperidone Impurity 8|C4X-16618|1209459-88-0 https://www.jk-sci.com/products/ts246cs-0043890 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_73ed18fe-1215-49f2-a07b-cd45f1c8d91d.png?v=1776445727 4-Aminocyclohexanecarbonitrile hydrochloride | 1303968-08-2 4-Aminocyclohexanecarbonitrile hydrochloride|CS-0043890|1303968-08-2 https://www.jk-sci.com/products/ts246cs-0043851 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2999ea60-f5bc-4127-ab45-9805991de09a.png?v=1776445644 5-Acetyl-2-fluorobenzonitrile | 288309-07-9 5-Acetyl-2-fluorobenzonitrile|CS-0043851|288309-07-9 https://www.jk-sci.com/products/s57c4x-166534 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/523026_46a69c05-0ea9-4b72-8cdc-896e4dc0ca11.png?v=1774724005 Methyl DL-Mandelate | 4358-87-6 Methyl DL-Mandelate|C4X-166534|4358-87-6 https://www.jk-sci.com/products/ts246cs-0043902 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_beb5fc7d-23a5-4eaa-954c-450a150d2658.png?v=1776445747 3-Chloro-2-fluoroisonicotinaldehyde | 1149587-02-9 3-Chloro-2-fluoroisonicotinaldehyde|CS-0043902|1149587-02-9 https://www.jk-sci.com/products/s57c4x-166526 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b58a20b7-01c1-4ed6-bd5a-60906215edd6.png?v=1774719065 Ipratropium Impurity 26 Ipratropium Impurity 26|C4X-166526 https://www.jk-sci.com/products/s57c4x-16632 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c971f736f311cc9195aa6adf30f7c6ff.jpg?v=1776413636 N-Acetyl Cyclized Iodixanol | 171897-72-6 N-Acetyl Cyclized Iodixanol|C4X-16632|171897-72-6 https://www.jk-sci.com/products/s57c4x-166511 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265928.png?v=1774723052 Ipratropium Impurity 11 | 5894-79-1 Ipratropium Impurity 11|C4X-166511|5894-79-1 https://www.jk-sci.com/products/s57c4x-166531 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b394e05ddea423aaba9de9f1ca81728_bfb8d3f6-7a01-4282-8b01-3c7405e988ce.jpg?v=1776413647 Ipratropium Impurity 31 | 3423-25-4 Ipratropium Impurity 31|C4X-166531|3423-25-4 https://www.jk-sci.com/products/s57c4x-166422 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f9cbf2a-6119-458d-9e4f-a1efde0becdd.png?v=1774664832 Iohexol Impurity G (2,4-diiodo Isomer) Iohexol Impurity G (2,4-diiodo Isomer)|C4X-166422 https://www.jk-sci.com/products/s57c4x-16655 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16659 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81f4c048e7e6014fd1caa67fe54c0f4f.jpg?v=1776413659 Ipratropium Bromide EP Impurity C | 552-63-6 Ipratropium Bromide EP Impurity C|C4X-16659|552-63-6 https://www.jk-sci.com/products/ts246cs-0043893 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5d5e602c-285a-483f-8c0a-4d6ba842ba9e.png?v=1776445735 1-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanone | 460053-60-5 1-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanone|CS-0043893|460053-60-5 https://www.jk-sci.com/products/ts246cs-0042408 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248058.png?v=1776443485 6-Chloro-2-methylpyrimidin-4(1H)-one | 17551-52-9 6-Chloro-2-methylpyrimidin-4(1H)-one|CS-0042408|17551-52-9 https://www.jk-sci.com/products/s57c4x-16657 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11776bb19b8d0873301d7b6555c9af7a.jpg?v=1776413654 Ipratropium Bromide EP Impurity A | 58005-18-8 Ipratropium Bromide EP Impurity A|C4X-16657|58005-18-8 https://www.jk-sci.com/products/s57c4x-166630 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f189100a06463a1851552901930e7cf8.jpg?v=1776413671 Irbesartan Impurity 30 | 141745-71-3 Irbesartan Impurity 30|C4X-166630|141745-71-3 https://www.jk-sci.com/products/ts246cs-0043914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b91adb48-e384-42de-a27b-816645b48c23.png?v=1776445776 5-Chloro-2-methoxyphenol | 3743-23-5 5-Chloro-2-methoxyphenol|CS-0043914|3743-23-5 https://www.jk-sci.com/products/s57c4x-16631 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16662 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7fe48c06ffdbe653c39ac0e827aac21.jpg?v=1776413665 Irbesartan Impurity 2 | 177219-40-8 Irbesartan Impurity 2|C4X-16662|177219-40-8 https://www.jk-sci.com/products/ts246cs-0043921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435949_05c1bed3-3586-448a-b271-bc68c3eca83f.png?v=1776445789 Quinoxaline-2-carbaldehyde | 1593-08-4 Quinoxaline-2-carbaldehyde|CS-0043921|1593-08-4 https://www.jk-sci.com/products/ts246cs-0043935 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_014ba7bc-bca8-46b2-8121-bfefeb48af38.png?v=1776445809 2-Formylthiophene-3-carboxylic acid | 19991-69-6 2-Formylthiophene-3-carboxylic acid|CS-0043935|19991-69-6 https://www.jk-sci.com/products/ts246cs-0043961 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5bcfb158-e753-4e19-9d2b-c75ea2e86dcb.png?v=1776445873 (3R,5S)-5-(Hydroxymethyl)pyrrolidin-3-ol hydrochloride | 478922-47-3 (3R,5S)-5-(Hydroxymethyl)pyrrolidin-3-ol hydrochloride|CS-0043961|478922-47-3 https://www.jk-sci.com/products/ts246cs-0043877 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111196.png?v=1776445703 Methyl 2-cyanonicotinate | 75358-89-3 Methyl 2-cyanonicotinate|CS-0043877|75358-89-3 https://www.jk-sci.com/products/ts246cs-0043898 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8040e2f4-d516-4e37-b2e9-01606cc62cb5.png?v=1776445741 4-Fluoro-1H-indole-7-carbonitrile | 313337-33-6 4-Fluoro-1H-indole-7-carbonitrile|CS-0043898|313337-33-6 https://www.jk-sci.com/products/ts246cs-0043866 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_239f815e-5ee0-4e1b-ae62-0c5a061bb0fb.png?v=1776445683 5-Methoxy-1-methyl-1H-benzo[d]imidazole | 10394-39-5 5-Methoxy-1-methyl-1H-benzo[d]imidazole|CS-0043866|10394-39-5 https://www.jk-sci.com/products/ts246cs-0043965 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_609607ba-53df-4821-8145-d1b8c0bd2eb9.png?v=1776445883 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine | 27187-13-9 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine|CS-0043965|27187-13-9 https://www.jk-sci.com/products/ts246cs-0043978 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88477d5c-ab6c-46e8-a74b-65b625637603.png?v=1776445900 4-Fluoro-1H-benzo[d]imidazol-2(3H)-one | 256519-10-5 4-Fluoro-1H-benzo[d]imidazol-2(3H)-one|CS-0043978|256519-10-5 https://www.jk-sci.com/products/ts246cs-0043971 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_92602f6f-848f-453c-8ee3-1486ceeb8962.png?v=1776445895 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine | 898832-40-1 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine|CS-0043971|898832-40-1 https://www.jk-sci.com/products/ts246cs-0043984 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/355488.png?v=1776445914 6-Fluoro-1H-indazol-3-amine | 404827-75-4 6-Fluoro-1H-indazol-3-amine|CS-0043984|404827-75-4 https://www.jk-sci.com/products/ts246cs-0043997 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b203e8e-14a2-47c4-b2d2-92482968bd55.png?v=1776445949 5-Methyl-2-aminobenzoxazol | 64037-15-6 5-Methyl-2-aminobenzoxazol|CS-0043997|64037-15-6 https://www.jk-sci.com/products/ts246cs-0044009 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a18df10-913f-474c-8d78-29033fb17d03.png?v=1776445980 5-Chloro-6-methylpyridin-2-ol | 103997-23-5 5-Chloro-6-methylpyridin-2-ol|CS-0044009|103997-23-5 https://www.jk-sci.com/products/ts246cs-0044005 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/457380.png?v=1776445970 3-Ethynylbenzoic acid | 10601-99-7 3-Ethynylbenzoic acid|CS-0044005|10601-99-7 https://www.jk-sci.com/products/ts246cs-0043999 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_561276b2-3b41-40da-bad4-83b7009bebf3.png?v=1776445954 Bicyclo[4.2.0]octa-1,3,5-trien-3-ylboronic acid | 195730-31-5 Bicyclo[4.2.0]octa-1,3,5-trien-3-ylboronic acid|CS-0043999|195730-31-5 https://www.jk-sci.com/products/s57c4x-16666 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5390b7cd74f1b2d9237e16976660173a.jpg?v=1776413679 Irbesartan Impurity 6 | 133690-91-2 Irbesartan Impurity 6|C4X-16666|133690-91-2 https://www.jk-sci.com/products/s57c4x-166714 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16672 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9449b99e887bc96d51c6a9e2e8348c1f.jpg?v=1776413682 Irinotecan EP Impurity A | 103816-16-6 Irinotecan EP Impurity A|C4X-16672|103816-16-6 https://www.jk-sci.com/products/s57c4x-166732 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-166749 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cf7cf8e4954ea024eca2e5bcc04dd04.jpg?v=1776413686 Irinotecan Impurity 49 | 177611-40-4 Irinotecan Impurity 49|C4X-166749|177611-40-4 https://www.jk-sci.com/products/s57c4x-1669 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526973.png?v=1775070418 Ketorolac Trometamol | 74103-07-4 Ketorolac Trometamol|C4X-1669|74103-07-4 https://www.jk-sci.com/products/s57c4x-166915 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b32f842b85190a0825b133457248d6c.jpg?v=1776413706 Ketorolac EP Impurity I | 113502-55-9 Ketorolac EP Impurity I|C4X-166915|113502-55-9 https://www.jk-sci.com/products/s57c4x-166913 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d69914c1fc41cb57a60c4b44443612f3.jpg?v=1776413699 Ketorolac EP Impurity C | 1026936-07-1 Ketorolac EP Impurity C|C4X-166913|1026936-07-1 https://www.jk-sci.com/products/s57c4x-166936 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02f6fcfecd1232e236615b0afc23be61.jpg?v=1776413716 Ketorolac Impurity 36 | 7697-46-3 Ketorolac Impurity 36|C4X-166936|7697-46-3 https://www.jk-sci.com/products/s57c4x-166911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118417d65a7d1981127ead532bda4fab.jpg?v=1776413695 Ketorolac EP Impurity A | 154476-25-2 Ketorolac EP Impurity A|C4X-166911|154476-25-2 https://www.jk-sci.com/products/s57c4x-166931 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481664.png?v=1774714959 Ketorolac | 74103-06-3 Ketorolac|C4X-166931|74103-06-3 https://www.jk-sci.com/products/s57c4x-166919 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5cc2a25d-3572-4167-9703-830361f8346f.png?v=1775140494 Ketorolac Impurity 19 Ketorolac Impurity 19|C4X-166919 https://www.jk-sci.com/products/s57c4x-16698 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74c49bb1b480cd3bc645df93c4777f24.jpg?v=1776413734 Ketorolac EP Impurity H | 80965-09-9 Ketorolac EP Impurity H|C4X-16698|80965-09-9 https://www.jk-sci.com/products/s57c4x-166952 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8395bd2037c538d3aaa2d5ef468c0715.jpg?v=1776413728 Ketorolac Impurity 52 | 147088-89-9 Ketorolac Impurity 52|C4X-166952|147088-89-9 https://www.jk-sci.com/products/s57c4x-16695 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b62738773cdfba4750f1e2a44035626b.jpg?v=1776413720 Ketorolac EP Impurity E | 167105-80-8 Ketorolac EP Impurity E|C4X-16695|167105-80-8 https://www.jk-sci.com/products/s57c4x-16713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f09f1cfaf9a1a3a7758a78237cb6984f.jpg?v=1776413741 Lacidipine BP Impurity B | 130996-24-6 Lacidipine BP Impurity B|C4X-16713|130996-24-6 https://www.jk-sci.com/products/s57c4x-167210 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b759c385e0b05198342e2b304cc028.jpg?v=1776413748 Lamotrigine EP Impurity B | 94213-24-8 Lamotrigine EP Impurity B|C4X-167210|94213-24-8 https://www.jk-sci.com/products/ts246cs-0044023 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/514193.png?v=1776446005 2-(4-Methyl-1H-pyrazol-1-yl)acetic acid | 956364-44-6 2-(4-Methyl-1H-pyrazol-1-yl)acetic acid|CS-0044023|956364-44-6 https://www.jk-sci.com/products/ts246cs-0044028 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153570.png?v=1776446017 (3-Methoxypyridin-2-yl)methanol | 51984-46-4 (3-Methoxypyridin-2-yl)methanol|CS-0044028|51984-46-4 https://www.jk-sci.com/products/s57c4x-16722 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a044b22ae5ab29abb5fa032cecd40f.jpg?v=1776413751 Lamotrigine EP Impurity F | 252186-79-1 Lamotrigine EP Impurity F|C4X-16722|252186-79-1 https://www.jk-sci.com/products/s57c4x-16727 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_289fedda-dee3-4565-bb63-d3e03a5926bd.png?v=1774671729 Lamotrigine-13cd3 Lamotrigine-13cd3|C4X-16727 https://www.jk-sci.com/products/s57c4x-16724 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6000254475c20d5d01fc604ce1199c5.jpg?v=1776413757 Lamotrigine EP Impurity C | 94213-23-7 Lamotrigine EP Impurity C|C4X-16724|94213-23-7 https://www.jk-sci.com/products/s57c4x-167315 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200621.png?v=1774669827 Leflunomide Impurity 15 | 4637-24-5 Leflunomide Impurity 15|C4X-167315|4637-24-5 https://www.jk-sci.com/products/s57c4x-16733 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ddb647a8938fe7e1bd42a1031b8f5a1.jpg?v=1776413763 Leflunomide EP Impurity C | 61643-23-0 Leflunomide EP Impurity C|C4X-16733|61643-23-0 https://www.jk-sci.com/products/s57c4x-167612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3aecf36c504b98b4c3976f1a4aea9f0.jpg?v=1776413774 Levodopa Impurity 12 | 25520-73-4 Levodopa Impurity 12|C4X-167612|25520-73-4 https://www.jk-sci.com/products/s57c4x-16762 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122039.png?v=1774726946 Levodopa EP Impurity C | 7636-26-2 Levodopa EP Impurity C|C4X-16762|7636-26-2 https://www.jk-sci.com/products/s57c4x-16735 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16739 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/849825cc6893ae8e0390e022645777c8_4851d472-65ac-4656-a90e-e035e4ed8ba0.jpg?v=1776413769 Leflunomide EP Impurity B (Teriflunomide) | 163451-81-8 Leflunomide EP Impurity B (Teriflunomide)|C4X-16739|163451-81-8 https://www.jk-sci.com/products/ts246cs-0108027 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359030.png?v=1776474811 EGNHS | 70539-42-3 EGNHS|CS-0108027|70539-42-3 https://www.jk-sci.com/products/s57c4x-16767 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b12f4d4e05e8c1d17af1051bcf6a938a.jpg?v=1776413784 L-Veratrylglycine | 32161-30-1 L-Veratrylglycine|C4X-16767|32161-30-1 https://www.jk-sci.com/products/s57c4x-167722 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e874847e9a7dbf702d08fecc171ddd34.jpg?v=1776413819 Levonorgestrel EP Impurity W | 155683-59-3 Levonorgestrel EP Impurity W|C4X-167722|155683-59-3 https://www.jk-sci.com/products/s57c4x-167712 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16771 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b46162afc92b9d8c902d59b2cf95e42.jpg?v=1776413787 Levonorgestrel EP Impurity A | 1260525-53-8 Levonorgestrel EP Impurity A|C4X-16771|1260525-53-8 https://www.jk-sci.com/products/s57c4x-167714 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f00cd80ee4735c181eec269ecb0da811.jpg?v=1776413798 Levonorgestrel EP Impurity N | 4222-96-2 Levonorgestrel EP Impurity N|C4X-167714|4222-96-2 https://www.jk-sci.com/products/s57c4x-167716 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553dcbd548d299bb0b4ed7eaaa0644d9.jpg?v=1776413804 Levonorgestrel EP Impurity P | 100021-05-4 Levonorgestrel EP Impurity P|C4X-167716|100021-05-4 https://www.jk-sci.com/products/s57c4x-167719 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc0d328495ef5be4812abd8716fe4ee.jpg?v=1776413807 Levonorgestrel EP Impurity S | 176254-10-7 Levonorgestrel EP Impurity S|C4X-167719|176254-10-7 https://www.jk-sci.com/products/s57c4x-167720 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7206240c1bcc6d3634b50415c69a9dd7.jpg?v=1776413813 Levonorgestrel EP Impurity T | 14507-51-8 Levonorgestrel EP Impurity T|C4X-167720|14507-51-8 https://www.jk-sci.com/products/s57c4x-16777 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eff1441df8dee2ec6a657c28bff04129.jpg?v=1776413831 Levonorgestrel EP Impurity G | 87585-03-3 Levonorgestrel EP Impurity G|C4X-16777|87585-03-3 https://www.jk-sci.com/products/s57c4x-16779 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ec741dd93d2a40fb2570f18e7478429.jpg?v=1776413834 Levonorgestrel EP Impurity I | 21508-50-9 Levonorgestrel EP Impurity I|C4X-16779|21508-50-9 https://www.jk-sci.com/products/s57c4x-16773 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26ddf5d820f58dc9dc6cb68934c2d80b.jpg?v=1776413825 Levonorgestrel EP Impurity C | 1337972-89-0 Levonorgestrel EP Impurity C|C4X-16773|1337972-89-0 https://www.jk-sci.com/products/s57c4x-167810 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4084191b1fee67cbb59db1e2d12db07c.jpg?v=1776413837 Levothyroxine N-Acetyl Impurity | 26041-51-0 Levothyroxine N-Acetyl Impurity|C4X-167810|26041-51-0 https://www.jk-sci.com/products/a01316759 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/316759.png?v=1784654475 4-Chloro-D-mandelic acid, 98% | 32189-36-9 4-Chloro-D-mandelic acid, 98%|316759|32189-36-9 https://www.jk-sci.com/products/ts246cs-0043045 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210269.png?v=1776444707 6-Methoxy-1-naphthoic acid | 36112-61-5 6-Methoxy-1-naphthoic acid|CS-0043045|36112-61-5 https://www.jk-sci.com/products/ts246cs-0043074 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2040f714-a37d-43a7-81be-c0c876a32cb1.png?v=1776444776 6-Bromo-N-methylpyridazin-3-amine | 1208657-07-1 6-Bromo-N-methylpyridazin-3-amine|CS-0043074|1208657-07-1 https://www.jk-sci.com/products/j5303087 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f95f82537cfe6a2d41f82e16bad0b0b0.jpg?v=1776320528 L-Leucine amide hydrochloride | 10466-61-2 L-Leucine amide hydrochloride|03087|10466-61-2 https://www.jk-sci.com/products/a01317430 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317430.png?v=1784654492 2–Carbomethoxy–3–tropinone, 96% | 36127-17-0 2–Carbomethoxy–3–tropinone, 96%|317430|36127-17-0 https://www.jk-sci.com/products/j5303357 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87ed1e20c761d5e57abd12d3eb07fb38.jpg?v=1776321191 Gly-Gln-OH·H2O | 131115-71-4 Gly-Gln-OH·H2O|03357|131115-71-4 https://www.jk-sci.com/products/ts246cs-0043086 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_54c3d439-0e5e-41fd-8167-f415d2e773ee.png?v=1776444802 7-Hydroxyquinoline-3-carboxylic acid | 659730-27-5 7-Hydroxyquinoline-3-carboxylic acid|CS-0043086|659730-27-5 https://www.jk-sci.com/products/s57c4x-16782 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c165524452e7ab5f6265ff6de7766c54.jpg?v=1776413845 Levothyroxine EP Impurity B | 1628720-66-0 Levothyroxine EP Impurity B|C4X-16782|1628720-66-0 https://www.jk-sci.com/products/s57c4x-167826 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b7c8960c303a9d025477457267b21ab.jpg?v=1776413849 Levothyroxine Impurity 26 | 176258-88-1 Levothyroxine Impurity 26|C4X-167826|176258-88-1 https://www.jk-sci.com/products/ts246cs-0043150 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87003cba-7a6f-48c8-8194-a16561c7cfc5.png?v=1776444922 Ethyl 2-amino-5-fluorobenzoate | 391-93-5 Ethyl 2-amino-5-fluorobenzoate|CS-0043150|391-93-5 https://www.jk-sci.com/products/ts246cs-0043096 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f8e50a31-18d4-4c6b-a9bd-e7a789d70e0e.png?v=1776444826 8-Chloro-6-methoxyquinoline | 796851-15-5 8-Chloro-6-methoxyquinoline|CS-0043096|796851-15-5 https://www.jk-sci.com/products/ts246cs-0043116 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230290.png?v=1776444867 Ethyl pyrrolo[1,2-c]pyrimidine-3-carboxylate | 107407-80-7 Ethyl pyrrolo[1,2-c]pyrimidine-3-carboxylate|CS-0043116|107407-80-7 https://www.jk-sci.com/products/ts246cs-0043164 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2ef39dc5-e2ba-42cc-bbee-b5be612c1972.png?v=1776444958 5-Chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine | 1116136-63-0 5-Chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine|CS-0043164|1116136-63-0 https://www.jk-sci.com/products/j5303574 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358fe4afd21918df3e5c6a6a5ecdeb82.jpg?v=1776321496 Boc-(3R)-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid | 214630-00-9 Boc-(3R)-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid|03574|214630-00-9 https://www.jk-sci.com/products/ts246cs-0043195 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60674cc7e7e080fd04de7e4d2a76bdef.jpg?v=1776445011 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one | 1260018-63-0 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one|CS-0043195|1260018-63-0 https://www.jk-sci.com/products/ts246cs-0043729 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400011.png?v=1776445404 H-allo-Thr(tBu)-OH | 201353-89-1 H-allo-Thr(tBu)-OH|CS-0043729|201353-89-1 https://www.jk-sci.com/products/ts246cs-0043415 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2f94eaf1-1abb-4951-839e-412ced7fd2a9.png?v=1776445115 Methyl 4-ethoxy-3-oxobutanoate | 415678-65-8 Methyl 4-ethoxy-3-oxobutanoate|CS-0043415|415678-65-8 https://www.jk-sci.com/products/ts246cs-0043282 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_20256bbe-8e5c-40fc-a3f1-144108e3c93b.png?v=1776445050 7-Bromo-6-fluoro-2,3-dihydro-4H-1-benzopyran-4-one | 27407-12-1 7-Bromo-6-fluoro-2,3-dihydro-4H-1-benzopyran-4-one|CS-0043282|27407-12-1 https://www.jk-sci.com/products/ts246cs-0043490 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c609893a-8ed4-4983-bbd5-f1e554a28dde.png?v=1776445150 2-Hydroxyacetimidamide hydrochloride | 54198-71-9 2-Hydroxyacetimidamide hydrochloride|CS-0043490|54198-71-9 https://www.jk-sci.com/products/ts246cs-0043595 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388796_37b37816-87b8-47d3-acab-d8ccf28d572d.png?v=1776445199 (4-Fluorophenyl)methanol | 459-56-3 (4-Fluorophenyl)methanol|CS-0043595|459-56-3 https://www.jk-sci.com/products/s57c4x-16783 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-167831 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283832.png?v=1775140505 Levothyroxine Related Compound | 93647-48-4 Levothyroxine Related Compound|C4X-167831|93647-48-4 https://www.jk-sci.com/products/s57c4x-167849 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7981009947d4ea3b7250bfe95a7e4de6.jpg?v=1776413859 Levothyroxine Impurity 49 | 106822-80-4 Levothyroxine Impurity 49|C4X-167849|106822-80-4 https://www.jk-sci.com/products/ts246cs-0043668 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ade94c12-ee9e-4ea3-a403-48d7d0c0a024.png?v=1776445251 Methyl 3-amino-5-bromo-4-hydroxybenzoate | 260249-10-3 Methyl 3-amino-5-bromo-4-hydroxybenzoate|CS-0043668|260249-10-3 https://www.jk-sci.com/products/s57c4x-16786 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16789 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c669b98719c68f1831371febe7dec36.jpg?v=1776413862 Levothyroxine EP Impurity I | 2016-06-0 Levothyroxine EP Impurity I|C4X-16789|2016-06-0 https://www.jk-sci.com/products/ts246cs-0043686 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b955a67e-d3c0-4d36-b7c9-21147ac2fef0.png?v=1776445297 6-Nitro-1,2,3,4-tetrahydroquinoline | 14026-45-0 6-Nitro-1,2,3,4-tetrahydroquinoline|CS-0043686|14026-45-0 https://www.jk-sci.com/products/ts246cs-0043706 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124496.png?v=1776445339 5-Chloro-1H-indole-3-carbonitrile | 194490-14-7 5-Chloro-1H-indole-3-carbonitrile|CS-0043706|194490-14-7 https://www.jk-sci.com/products/ts246cs-0043760 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1482274.png?v=1776445462 (S)-Pyrrolidin-2-ylmethanamine dihydrochloride | 103382-84-9 (S)-Pyrrolidin-2-ylmethanamine dihydrochloride|CS-0043760|103382-84-9 https://www.jk-sci.com/products/ts246cs-0043798 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f149af3-634b-4d43-a83a-391bef66ed03.png?v=1776445534 5-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one | 1190314-60-3 5-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one|CS-0043798|1190314-60-3 https://www.jk-sci.com/products/ts246cs-0043776 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3a96344c-e3a9-4304-a944-ca9c54031311.png?v=1776445495 5-Chloro-3-(trifluoromethyl)-1H-pyrazole | 131797-35-8 5-Chloro-3-(trifluoromethyl)-1H-pyrazole|CS-0043776|131797-35-8 https://www.jk-sci.com/products/ts246cs-0043823 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9db42e8a-faf9-4177-85ed-a53e1e444be3.png?v=1776445582 4-Amino-3-nitrobenzaldehyde | 51818-99-6 4-Amino-3-nitrobenzaldehyde|CS-0043823|51818-99-6 https://www.jk-sci.com/products/ts246cs-0043835 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0de721c2-c485-4cb3-8613-275b8b4ad34f.png?v=1776445609 7-Fluoro-3,4-dihydroquinolin-2(1H)-one | 4590-52-7 7-Fluoro-3,4-dihydroquinolin-2(1H)-one|CS-0043835|4590-52-7 https://www.jk-sci.com/products/ts246cs-0043852 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_400b977a-bd6e-4cef-b36c-4b35f61fab03.png?v=1776445648 8-Fluoroquinolin-2(1H)-one | 71738-83-5 8-Fluoroquinolin-2(1H)-one|CS-0043852|71738-83-5 https://www.jk-sci.com/products/ts246cs-0043889 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c8650bf-84be-4c1b-98e8-250b3a426a4d.png?v=1776445724 2-(Difluoromethoxy)pyridin-4-ol | 205043-09-0 2-(Difluoromethoxy)pyridin-4-ol|CS-0043889|205043-09-0 https://www.jk-sci.com/products/j5303747 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b353956ee787a084aa62fffe881f80bf.jpg?v=1776321752 Fmoc-O-phospho-L-tyrosine | 147762-53-6 Fmoc-O-phospho-L-tyrosine|03747|147762-53-6 https://www.jk-sci.com/products/j5303808 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cecd21fe27eb9520120ecb7ca6533a51.jpg?v=1776321910 Boc-L-b-indanylglycine | 181227-47-4 Boc-L-b-indanylglycine|03808|181227-47-4 https://www.jk-sci.com/products/ts246cs-0043963 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e13eec0-06dc-4d9e-a35e-944cbaec8afd.png?v=1776445876 5-Chloro-7H-pyrrolo[2,3-d]pyrimidine | 1041864-02-1 5-Chloro-7H-pyrrolo[2,3-d]pyrimidine|CS-0043963|1041864-02-1 https://www.jk-sci.com/products/ts246cs-0043934 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4607b39d-254d-43d6-842a-c463f0de45dd.png?v=1776445806 Ethyl 3-oxa-bicyclo[3.1.0]hexane-6-carboxylate | 335599-07-0 Ethyl 3-oxa-bicyclo[3.1.0]hexane-6-carboxylate|CS-0043934|335599-07-0 https://www.jk-sci.com/products/ts246cs-0043896 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df214d6c-1b3a-4f19-9035-5b016e45649d.png?v=1776445738 1-Methyl-1H-indazole-5-carbaldehyde | 872607-89-1 1-Methyl-1H-indazole-5-carbaldehyde|CS-0043896|872607-89-1 https://www.jk-sci.com/products/ts246cs-0043908 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257778.png?v=1776445764 8-Methoxyquinoline | 938-33-0 8-Methoxyquinoline|CS-0043908|938-33-0 https://www.jk-sci.com/products/ts246cs-0043972 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/572313_94c61a8f-e5a3-48bc-8243-522eaedeb5be.png?v=1776445898 (6-Methoxypyridin-2-yl)boronic acid | 372963-51-4 (6-Methoxypyridin-2-yl)boronic acid|CS-0043972|372963-51-4 https://www.jk-sci.com/products/j5303875 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/808b022262054b85536b0f770546f6ef.jpg?v=1776322097 Z-L-glutamic acid a-methyl ester | 5672-83-3 Z-L-glutamic acid a-methyl ester|03875|5672-83-3 https://www.jk-sci.com/products/ts246cs-0044000 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e53ffd6-9a2d-4389-8827-961fb80a86f0.png?v=1776445957 exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride | 39245-79-9 exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride|CS-0044000|39245-79-9 https://www.jk-sci.com/products/ts246cs-0043995 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_989b1e70-4b1a-4886-98b4-4db6c9e8cb1f.png?v=1776445943 7-Methoxy-1H-benzo[d]imidazole | 27080-53-1 7-Methoxy-1H-benzo[d]imidazole|CS-0043995|27080-53-1 https://www.jk-sci.com/products/ts246cs-0044017 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_884f34a4-ea6c-4c86-8eeb-3965c84d9d07.png?v=1776445993 Ethyl isoxazole-5-carboxylate | 173850-41-4 Ethyl isoxazole-5-carboxylate|CS-0044017|173850-41-4 https://www.jk-sci.com/products/ts246cs-0043055 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9621ad3-f163-4bea-946e-e72765cabca9.png?v=1776444730 6-Chloro-5-cyanopicolinic acid | 53234-56-3 6-Chloro-5-cyanopicolinic acid|CS-0043055|53234-56-3 https://www.jk-sci.com/products/ts246cs-0043092 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7142e18-f1db-4076-a393-458ea1f3ae0c.png?v=1776444820 8-Fluoroquinoline-3-carboxylic acid | 71082-53-6 8-Fluoroquinoline-3-carboxylic acid|CS-0043092|71082-53-6 https://www.jk-sci.com/products/ts246cs-0043126 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_40af715a-9230-41bb-ae99-ce0d28e83405.png?v=1776444886 Methyl 5-amino-6-methoxynicotinate | 59237-50-2 Methyl 5-amino-6-methoxynicotinate|CS-0043126|59237-50-2 https://www.jk-sci.com/products/ts246cs-0043180 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f6f7ce31-6566-4e35-b1cf-44b5e90fccfe.png?v=1776444991 Ethyl 2-(benzo[d]oxazol-2-yl)acetate | 16105-44-5 Ethyl 2-(benzo[d]oxazol-2-yl)acetate|CS-0043180|16105-44-5 https://www.jk-sci.com/products/s57c4x-167911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a817e869cb9f4ffd3409b207787c9684.jpg?v=1776413868 Lidocaine EP Impurity K Hydrochloride | 50295-20-0 Lidocaine EP Impurity K Hydrochloride|C4X-167911|50295-20-0 https://www.jk-sci.com/products/s57c4x-167915 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0f6433e25403d0011d4dabe80f7b491.jpg?v=1776413872 Lidocaine EP Impurity D | 7728-40-7 Lidocaine EP Impurity D|C4X-167915|7728-40-7 https://www.jk-sci.com/products/s57c4x-167927 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463546.png?v=1774725032 Lidocaine Impurity 27 | 5177-35-5 Lidocaine Impurity 27|C4X-167927|5177-35-5 https://www.jk-sci.com/products/s57c4x-167921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128a6a9217c0c508fb1970035598b806.jpg?v=1776413877 Lidocaine EP Impurity F | 142713-08-4 Lidocaine EP Impurity F|C4X-167921|142713-08-4 https://www.jk-sci.com/products/j5303949 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ea49b89523fe8d1caf7ea75e7234fcf.jpg?v=1776322253 Boc-4-(Fmoc-amino)-L-phenylalanine | 114346-31-5 Boc-4-(Fmoc-amino)-L-phenylalanine|03949|114346-31-5 https://www.jk-sci.com/products/s57c4x-167936 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-167943 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0270159a-53e8-4069-a7aa-38364c5ef894.png?v=1775155083 Lidocaine Impurity 43 Lidocaine Impurity 43|C4X-167943 https://www.jk-sci.com/products/s57c4x-153233 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-154915 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-154220 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-15637 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/256ed570ff9ce45b74197859f0667b6c.jpg?v=1776413074 Biotin Impurity 7 | 21788-37-4 Biotin Impurity 7|C4X-15637|21788-37-4 https://www.jk-sci.com/products/s57c4x-156013 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-155032 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e931494-4459-48e4-a8db-6f3858c4176d.png?v=1774666825 Atomoxetine Impurity 32 Atomoxetine Impurity 32|C4X-155032 https://www.jk-sci.com/products/j5303995 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa728059de8aaf076982abdc5d02ead.jpg?v=1776322361 Na,e-Bis-Boc-L-lysine 4-nitrophenyl ester | 2592-19-0 Na,e-Bis-Boc-L-lysine 4-nitrophenyl ester|03995|2592-19-0 https://www.jk-sci.com/products/j5304047 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90e125809ccc0de9c12abfc99c7b5cf.jpg?v=1776322505 Boc-D-alanine N-hydroxysuccinimide ester | 34404-33-6 Boc-D-alanine N-hydroxysuccinimide ester|04047|34404-33-6 https://www.jk-sci.com/products/j5304091 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36ec39a88800bfd12362d4fb3b2eef06.jpg?v=1776322618 Fmoc-4-bromo-D-phenylalanine | 198545-76-5 Fmoc-4-bromo-D-phenylalanine|04091|198545-76-5 https://www.jk-sci.com/products/j5304108 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5a2c11811217f52b5e5f644781e8626.jpg?v=1776322683 Fmoc-3-cyano-L-phenylalanine | 205526-36-9 Fmoc-3-cyano-L-phenylalanine|04108|205526-36-9 https://www.jk-sci.com/products/j5304139 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e70d2d5a493884f31dd5f62cafb2dc6.jpg?v=1776322794 Fmoc-2-fluoro-D-phenylalanine | 198545-46-9 Fmoc-2-fluoro-D-phenylalanine|04139|198545-46-9 https://www.jk-sci.com/products/s57c4x-156637 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2fcf4c5a-4fb9-4356-b3bb-99512e45478f.png?v=1775143279 Brimonidine EP Impurity G HCl Brimonidine EP Impurity G HCl|C4X-156637 https://www.jk-sci.com/products/ts246cs-0043332 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aeda02a9-6768-4c69-a7c0-b8f205390594.png?v=1776445087 Oxetane-3-carbonitrile | 1420800-16-3 Oxetane-3-carbonitrile|CS-0043332|1420800-16-3 https://www.jk-sci.com/products/j5304160 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e9d7d6d396787e3db3f70324e20c741.jpg?v=1776322851 Fmoc-L-thiaproline | 133054-21-4 Fmoc-L-thiaproline|04160|133054-21-4 https://www.jk-sci.com/products/ts246cs-0043565 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1150273_803f5c34-17e9-4d7e-bb6a-02169d7ebd91.png?v=1776445168 COMU | 1075198-30-9 COMU|CS-0043565|1075198-30-9 https://www.jk-sci.com/products/ts246cs-0043674 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9388d86e-b2b8-499d-9fbb-862fdbaf7489.png?v=1776445268 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carboxylate | 676501-89-6 Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carboxylate|CS-0043674|676501-89-6 https://www.jk-sci.com/products/s57c4x-157413 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5304272 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93be8bef6fb7343702bd749c82efdc09_35195aaf-6dae-4ec8-a8a3-c29a650729a4.jpg?v=1776323036 4-Hydroxymethylated polystyrene | 66072-40-0 4-Hydroxymethylated polystyrene|04272|66072-40-0 https://www.jk-sci.com/products/j5304370 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f78817deca3cc7cc0052377279c8ab9c.jpg?v=1776323243 Na-Acetyl-L-lysine methyl amide | 6367-10-8 Na-Acetyl-L-lysine methyl amide|04370|6367-10-8 https://www.jk-sci.com/products/j5304313 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d7c9e0db10cac4ef2f4bed9a9e2e813.jpg?v=1776323137 Cysteamine 2-chlorotrityl resin Cysteamine 2-chlorotrityl resin|04313 https://www.jk-sci.com/products/j5304222 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cee4636edd2a96306e389e8beb8388b1.jpg?v=1776322974 Fmoc-4-nitro-L-phenylalanine 4-alkoxybenzyl alcohol resin Fmoc-4-nitro-L-phenylalanine 4-alkoxybenzyl alcohol resin|04222 https://www.jk-sci.com/products/j5304344 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8ee1435b4f64fcf545cb3e2e8b082ee.jpg?v=1776323192 Acetyl-4-bromo-DL-phenylalanine | 273730-59-9 Acetyl-4-bromo-DL-phenylalanine|04344|273730-59-9 https://www.jk-sci.com/products/j5304381 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e526a73e4980920a88a2beaa3f9f00ec.jpg?v=1776323276 Acetyl-DL-phenylalanine | 2901-75-9 Acetyl-DL-phenylalanine|04381|2901-75-9 https://www.jk-sci.com/products/s57c4x-157727 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_be239761-b648-493d-b537-87eb3595091a.png?v=1774726916 Cefazolin EP Impurity I（Cefazolin USP RC L） | 1675244-99-1 Cefazolin EP Impurity I（Cefazolin USP RC L）|C4X-157727|1675244-99-1 https://www.jk-sci.com/products/j5304416 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b274ba3c1e02165a2bd5e88652564845.jpg?v=1776323336 Ng-Trityl-L-asparagine hydrate | 132388-58-0 Ng-Trityl-L-asparagine hydrate|04416|132388-58-0 https://www.jk-sci.com/products/j5304435 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45b91b291bdd285f77f16cb171afcab3.jpg?v=1776323384 O-tert-Butyl-L-trans-4-hydroxyproline | 79775-07-8 O-tert-Butyl-L-trans-4-hydroxyproline|04435|79775-07-8 https://www.jk-sci.com/products/s57c4x-15799 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d25b18d3-1e3c-48f2-b709-5eabc2b32341.png?v=1774673821 Cefpodoxime Proxetil Impurity 9 Cefpodoxime Proxetil Impurity 9|C4X-15799 https://www.jk-sci.com/products/j5304448 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a06eb6a3c33df3fa92c666d165228927.jpg?v=1776323424 D-Pyroglutamic acid ethyl ester | 68766-96-1 D-Pyroglutamic acid ethyl ester|04448|68766-96-1 https://www.jk-sci.com/products/ts246cs-0043712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a26817c63bf5337b33267fd70f0b2eaf.jpg?v=1776445355 Methyl imidazo[1,2-a]pyridine-8-carboxylate | 133427-07-3 Methyl imidazo[1,2-a]pyridine-8-carboxylate|CS-0043712|133427-07-3 https://www.jk-sci.com/products/s57c4x-158918 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438996_ce25529a-a37a-4718-837c-e139a9ff70d6.png?v=1775060719 Cimetidine EP Impurity I | 29636-87-1 Cimetidine EP Impurity I|C4X-158918|29636-87-1 https://www.jk-sci.com/products/ts246cs-0043771 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_983c9088-5e17-468f-88f1-8dab1ca25b68.png?v=1776445483 (3-Fluoro-4-nitrophenyl)methanol | 503315-74-0 (3-Fluoro-4-nitrophenyl)methanol|CS-0043771|503315-74-0 https://www.jk-sci.com/products/j5304621 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/909d71db4720657e6182bcd1391c2fc8.jpg?v=1776323589 L-Prolyl-L-alanine | 6422-36-2 L-Prolyl-L-alanine|04621|6422-36-2 https://www.jk-sci.com/products/s57c4x-159031 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffd3ca7a2d90ec28d0ea890af76e1898.jpg?v=1776413236 Safinamide Impurity 31 | 202825-43-2 Safinamide Impurity 31|C4X-159031|202825-43-2 https://www.jk-sci.com/products/j5304459 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aea16deaafa58e5b325ed6f675aad0d0.jpg?v=1776323457 D-Valine amide hydrochloride | 133170-58-8 D-Valine amide hydrochloride|04459|133170-58-8 https://www.jk-sci.com/products/j5304575 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53a38bcc49b7e8d40544e55654a738ed.jpg?v=1776323564 L-Leucine 7-amido-4-methylcoumarin hydrochloride | 62480-44-8 L-Leucine 7-amido-4-methylcoumarin hydrochloride|04575|62480-44-8 https://www.jk-sci.com/products/j5304511 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c1a2cd659dac36a40ce3264a7a427fb.jpg?v=1776323516 Boc-Gly-Pro-OH | 14296-92-5 Boc-Gly-Pro-OH|04511|14296-92-5 https://www.jk-sci.com/products/j5304632 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f647bcc252f307ffbd6294c60a5cace5.jpg?v=1776323599 L-Pyroglutamic acid 4-nitroanilide | 66642-35-1 L-Pyroglutamic acid 4-nitroanilide|04632|66642-35-1 https://www.jk-sci.com/products/ts246cs-0043807 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d6a25c1f-74a5-48ef-a719-3ad792883160.png?v=1776445548 2-Chloro-4-methoxybenzonitrile | 127666-99-3 2-Chloro-4-methoxybenzonitrile|CS-0043807|127666-99-3 https://www.jk-sci.com/products/s57c4x-159168 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46b2fd446db611020635437e0bbc32d.jpg?v=1776413272 Parecoxib Impurity 68 | 1373038-60-8 Parecoxib Impurity 68|C4X-159168|1373038-60-8 https://www.jk-sci.com/products/ts246cs-0043845 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_25d05c04-9afb-4089-bcea-abdb1bdbf1fe.png?v=1776445635 4-Nitro-1H-1,2,3-benzotriazole | 6299-39-4 4-Nitro-1H-1,2,3-benzotriazole|CS-0043845|6299-39-4 https://www.jk-sci.com/products/ts246cs-0043917 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8797273c-c6aa-42c8-a554-4248d345ed18.png?v=1776445778 Ethyl tetrahydro-2H-pyran-4-carboxylate | 96835-17-5 Ethyl tetrahydro-2H-pyran-4-carboxylate|CS-0043917|96835-17-5 https://www.jk-sci.com/products/ts246cs-0043966 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a5173649-295b-4876-90d2-9bab8bf99809.png?v=1776445886 5-amino-3-chloropicolinonitrile | 488713-31-1 5-amino-3-chloropicolinonitrile|CS-0043966|488713-31-1 https://www.jk-sci.com/products/ts246cs-0043998 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7e366dbb-2834-4f8c-adf1-e947298a1541.png?v=1776445951 2-Ethynyl-4-fluorobenzaldehyde | 749874-24-6 2-Ethynyl-4-fluorobenzaldehyde|CS-0043998|749874-24-6 https://www.jk-sci.com/products/ts246cs-0043892 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bfad355e-246a-418b-bf19-391e487704ad.png?v=1776445733 Methyl 2-ethynylbenzoate | 33577-99-0 Methyl 2-ethynylbenzoate|CS-0043892|33577-99-0 https://www.jk-sci.com/products/ts246cs-0044044 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413756.png?v=1776446047 6-Fluoro-5-methylnicotinonitrile | 261625-67-6 6-Fluoro-5-methylnicotinonitrile|CS-0044044|261625-67-6 https://www.jk-sci.com/products/ts246cs-0043111 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/484569_e810e4b8-c915-4d5a-b7cb-11c31ef0e012.png?v=1776444857 N-Methyl-2-(trifluoromethoxy)aniline | 175278-04-3 N-Methyl-2-(trifluoromethoxy)aniline|CS-0043111|175278-04-3 https://www.jk-sci.com/products/j5304713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ec0709020aba5858c671b5287cb9970.jpg?v=1776323650 Boc-3-(2'-pyridyl)-L-alanine | 71239-85-5 Boc-3-(2'-pyridyl)-L-alanine|04713|71239-85-5 https://www.jk-sci.com/products/j5304775 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0a427fd4a570b0599851b41d233e270.jpg?v=1776323681 TentaGel S RAM (0.2 - 0.8 meq/g, 90 μm) TentaGel S RAM (0.2 - 0.8 meq/g, 90 μm)|04775 https://www.jk-sci.com/products/ts246cs-0043220 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_853d603b-ec8e-4b10-8c6d-667d22ce66d4.png?v=1776445028 3-Chloro-4-ethylbenzenamine | 50775-72-9 3-Chloro-4-ethylbenzenamine|CS-0043220|50775-72-9 https://www.jk-sci.com/products/j5304782 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d793d5dc3b9f3a4fa0e5b374a6d44b6_3e891114-fbf9-41c8-84f6-9b15b3a296a0.jpg?v=1776323694 TentaGel S-COOH (0.2 - 0.5 meq/g, 130 μm) TentaGel S-COOH (0.2 - 0.5 meq/g, 130 μm)|04782 https://www.jk-sci.com/products/ts246cs-0043604 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_53656fcf-78db-4f4f-9b42-0edff01c2f76.png?v=1776445213 (5-Methoxypyrazin-2-yl)methanol | 72788-88-6 (5-Methoxypyrazin-2-yl)methanol|CS-0043604|72788-88-6 https://www.jk-sci.com/products/ts246cs-0043755 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331357_deb26aee-e5c0-4c4c-a795-8ee00652de9b.png?v=1776445451 5-Methylpyridine-3-sulfonic acid | 4808-70-2 5-Methylpyridine-3-sulfonic acid|CS-0043755|4808-70-2 https://www.jk-sci.com/products/j5304789 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60dce04e545bf2b8e403336bbb23e5d7.jpg?v=1776323705 Fmoc-2-aminobenzoic acid | 150256-42-1 Fmoc-2-aminobenzoic acid|04789|150256-42-1 https://www.jk-sci.com/products/j5304797 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/702a83194941e85070cfc6f374afa521.jpg?v=1776323726 Fmoc-5-aminovaleric acid | 123622-48-0 Fmoc-5-aminovaleric acid|04797|123622-48-0 https://www.jk-sci.com/products/j5304814 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1e7fd25a4d6c0fac94ba8b38edb0f0_a4b00ba2-9a39-4b0e-986d-707161b94248.jpg?v=1776323750 Triphenylphosphine resin (0.9 - 1.6 meq/g, 200 - 400 mesh) | 39319-11-4 Triphenylphosphine resin (0.9 - 1.6 meq/g, 200 - 400 mesh)|04814|39319-11-4 https://www.jk-sci.com/products/ts246cs-0043826 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e7a43f99-575f-4c53-9c42-c5ad5e8d9ee7.png?v=1776445587 (S)-Piperidine-3-carboxylic acid hydrochloride | 851956-01-9 (S)-Piperidine-3-carboxylic acid hydrochloride|CS-0043826|851956-01-9 https://www.jk-sci.com/products/ts246cs-0043899 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0969919d-4999-4e1c-a0c1-c2432e2c7f23.png?v=1776445744 2-(Difluoromethoxy)pyridin-4-amine | 1211587-46-0 2-(Difluoromethoxy)pyridin-4-amine|CS-0043899|1211587-46-0 https://www.jk-sci.com/products/ts246cs-0043982 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130984.png?v=1776445912 1H-Imidazo[4,5-b]pyridine-2(3H)-thione | 29448-81-5 1H-Imidazo[4,5-b]pyridine-2(3H)-thione|CS-0043982|29448-81-5 https://www.jk-sci.com/products/j5304833 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fea09d1cad079b0eeb5e8fb6f2648b0.jpg?v=1776323794 Tetrakis(triphenylphosphine)palladium(0) | 14221-01-3 Tetrakis(triphenylphosphine)palladium(0)|04833|14221-01-3 https://www.jk-sci.com/products/s57c4x-159710 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557346_2b6624c6-8da4-4f29-9342-06be18328491.png?v=1774984791 Cloxacillin Sodium EP Impurity D | 23598-72-3 Cloxacillin Sodium EP Impurity D|C4X-159710|23598-72-3 https://www.jk-sci.com/products/j5304920 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39c71ac3e71c397948ed64c3008c1500.jpg?v=1776323864 3-Nitro-L-tyrosine | 621-44-3 3-Nitro-L-tyrosine|04920|621-44-3 https://www.jk-sci.com/products/ts246cs-0044024 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/144104.png?v=1776446008 2-Hydroxypyrimidine-5-carboxylic acid | 38324-83-3 2-Hydroxypyrimidine-5-carboxylic acid|CS-0044024|38324-83-3 https://www.jk-sci.com/products/ts246cs-0043160 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161472_2ce94623-0a8c-4c2a-ab34-bb64764ae4ae.png?v=1776444952 2-Methoxy-5-nitrobenzaldehyde | 25016-02-8 2-Methoxy-5-nitrobenzaldehyde|CS-0043160|25016-02-8 https://www.jk-sci.com/products/j5304905 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235ad346c925e613cc8468890926beba.jpg?v=1776323847 Tris(dibenzylideneacetone)dipalladium (0)-chloroform adduct | 52522-40-4 Tris(dibenzylideneacetone)dipalladium (0)-chloroform adduct|04905|52522-40-4 https://www.jk-sci.com/products/j5304888 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccead77073b90668f9a4375e0e592d92.jpg?v=1776323817 4-Benzyloxybenzyl alcohol | 836-43-1 4-Benzyloxybenzyl alcohol|04888|836-43-1 https://www.jk-sci.com/products/s57c4x-160620 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-161311 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105297_6aad4f8b-8777-4030-b98d-4a7caae5c43d.png?v=1774884672 Dexpanthenol Impurity 11 | 2140-53-6 Dexpanthenol Impurity 11|C4X-161311|2140-53-6 https://www.jk-sci.com/products/ts246cs-0043874 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513447.png?v=1776445693 Imidazo[1,2-a]pyridine-8-carboxylic acid | 133427-08-4 Imidazo[1,2-a]pyridine-8-carboxylic acid|CS-0043874|133427-08-4 https://www.jk-sci.com/products/ts246cs-0043696 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ff0de3fb-4cb6-4e40-a651-8769530b8dce.png?v=1776445317 7-Methoxy-3,4-dihydroquinolin-2(1H)-one | 22246-17-9 7-Methoxy-3,4-dihydroquinolin-2(1H)-one|CS-0043696|22246-17-9 https://www.jk-sci.com/products/s57c4x-16181 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edf566f6c01771473563c270f111b7a6.jpg?v=1776413343 Dipyridamole EP Impurity A | 16982-40-4 Dipyridamole EP Impurity A|C4X-16181|16982-40-4 https://www.jk-sci.com/products/s57c4x-161939 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28bc5fdbcb5617b0a12925499a582e92.jpg?v=1776413366 Docetaxel Impurity 39 | 859498-31-0 Docetaxel Impurity 39|C4X-161939|859498-31-0 https://www.jk-sci.com/products/j5304934 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c87231c63eb1e45fa90edc241d13945.jpg?v=1776323883 Boc-3-(2'-quinolyl)-D-alanine | 170157-64-9 Boc-3-(2'-quinolyl)-D-alanine|04934|170157-64-9 https://www.jk-sci.com/products/ts246cs-0044006 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2c8943ef-2041-4f6b-9513-ad62f51ffec0.png?v=1776445973 (S)-Methyl morpholine-3-carboxylate | 741288-31-3 (S)-Methyl morpholine-3-carboxylate|CS-0044006|741288-31-3 https://www.jk-sci.com/products/j5304942 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2878cc2002e331d94d8be6ab3fa951.jpg?v=1776323892 (2S,4S)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid | 174148-03-9 (2S,4S)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid|04942|174148-03-9 https://www.jk-sci.com/products/s57c4x-16201 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0143e47d8bdcfd02ff4c157f63be641d.jpg?v=1776413388 Dolutegravir Impurity1 | 1357289-29-2 Dolutegravir Impurity1|C4X-16201|1357289-29-2 https://www.jk-sci.com/products/ts246cs-0043478 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_acea9f5b-a49d-4c6c-991d-b5867d7806e6.png?v=1776445134 5-Fluoro-6-methylnicotinic acid | 932705-78-7 5-Fluoro-6-methylnicotinic acid|CS-0043478|932705-78-7 https://www.jk-sci.com/products/j5304952 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67c6937d7cf4563ef2f457891042505c.jpg?v=1776323923 Fmoc-(3S,4S)-4-amino-3-hydroxy-5-methylhexanoic acid dicyclohexylammonium salt | 204316-10-9 Fmoc-(3S,4S)-4-amino-3-hydroxy-5-methylhexanoic acid dicyclohexylammonium salt|04952|204316-10-9 https://www.jk-sci.com/products/ts246cs-0043955 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_466d2a1d-385a-489c-a3d6-cc0554bc5c67.png?v=1776445856 Ethyl 4-amino-1H-pyrrole-2-carboxylate | 67318-12-1 Ethyl 4-amino-1H-pyrrole-2-carboxylate|CS-0043955|67318-12-1 https://www.jk-sci.com/products/ts246cs-0043793 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac3440b0-1c48-45e6-b288-10ee512b43bc.png?v=1776445524 Methyl 6-fluoro-2-methylnicotinate | 1227595-02-9 Methyl 6-fluoro-2-methylnicotinate|CS-0043793|1227595-02-9 https://www.jk-sci.com/products/ts246cs-0044053 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57bae935-dc24-483e-a6dc-09340f0c5f42.png?v=1776446065 Imidazo[1,2-a]pyridin-2-ol | 112566-20-8 Imidazo[1,2-a]pyridin-2-ol|CS-0044053|112566-20-8 https://www.jk-sci.com/products/j5304960 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a6b43a5aa721cda078c15abcb84b063.jpg?v=1776323942 Fmoc-4-carboxymethyl-piperazine | 180576-05-0 Fmoc-4-carboxymethyl-piperazine|04960|180576-05-0 https://www.jk-sci.com/products/j5304963 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47052cc7386b101ce5e7fd626d37c18b.jpg?v=1776323951 Na-Boc-Ng-Fmoc-L-2,4-diaminobutyric acid | 117106-21-5 Na-Boc-Ng-Fmoc-L-2,4-diaminobutyric acid|04963|117106-21-5 https://www.jk-sci.com/products/j5304975 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc66275c2858963977dcd13d8375b5c3.jpg?v=1776323971 Na,b-Bis-Fmoc-L-2,3-diaminopropionic acid | 201473-90-7 Na,b-Bis-Fmoc-L-2,3-diaminopropionic acid|04975|201473-90-7 https://www.jk-sci.com/products/s57c4x-16231 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258371_0846a348-4085-4ae8-8abc-0f6d2fa28e91.png?v=1774639068 Doxazosin EP Impurity A | 3663-80-7 Doxazosin EP Impurity A|C4X-16231|3663-80-7 https://www.jk-sci.com/products/ts246cs-0044057 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8fe6c9da-5a4d-4413-8ab6-af0bd5c9035a.png?v=1776446079 5H-Pyrrolo[3,2-d]pyrimidin-4-amine | 2227-98-7 5H-Pyrrolo[3,2-d]pyrimidin-4-amine|CS-0044057|2227-98-7 https://www.jk-sci.com/products/ts246cs-0044071 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_59f73ed4-91d2-4fd3-aaac-754a4e82c558.png?v=1776446102 Methyl 5-oxazolecarboxylate | 121432-12-0 Methyl 5-oxazolecarboxylate|CS-0044071|121432-12-0 https://www.jk-sci.com/products/s57c4x-16272 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16247 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0edc2fade27b9f7ea6ba3f6eba73da62.jpg?v=1776413415 Drospirenone EP Impurity H | 932388-89-1 Drospirenone EP Impurity H|C4X-16247|932388-89-1 https://www.jk-sci.com/products/ts246cs-0044082 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437662.png?v=1776446120 (R)-3-Methylpyrrolidine hydrochloride | 235093-98-8 (R)-3-Methylpyrrolidine hydrochloride|CS-0044082|235093-98-8 https://www.jk-sci.com/products/s57c4x-162917 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16281 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114776_755e9a69-800a-44ab-87a4-eed3f8f335e4.png?v=1774886871 Enrofloxacin EP Impurity A(Ciprofloxacin EP Impurity A) | 86393-33-1 Enrofloxacin EP Impurity A(Ciprofloxacin EP Impurity A)|C4X-16281|86393-33-1 https://www.jk-sci.com/products/ts246cs-0044093 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1515067.png?v=1776446145 5-Fluoropyrimidin-4-amine | 811450-26-7 5-Fluoropyrimidin-4-amine|CS-0044093|811450-26-7 https://www.jk-sci.com/products/j5304977 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94dd0e9de521eb07598649b2f9752fe1.jpg?v=1776323979 Na-Z-Nb-Boc-L-2,3-diaminopropionic acid | 16947-84-5 Na-Z-Nb-Boc-L-2,3-diaminopropionic acid|04977|16947-84-5 https://www.jk-sci.com/products/ts246cs-0044234 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2426a826-1af8-4a45-86c3-1e1b56cb043f.png?v=1776446271 6-Amino-5-fluoroindolin-2-one | 150544-01-7 6-Amino-5-fluoroindolin-2-one|CS-0044234|150544-01-7 https://www.jk-sci.com/products/ts246cs-0044146 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511915.png?v=1776446207 5-Bromo-4,6-dichloropyrimidine | 68797-61-5 5-Bromo-4,6-dichloropyrimidine|CS-0044146|68797-61-5 https://www.jk-sci.com/products/ts246cs-0044176 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596309_7ec5121d-c108-46d4-a2ee-f0cca4565adf.png?v=1776446235 1-(2,3-Dimethylphenyl)ethanone | 2142-71-4 1-(2,3-Dimethylphenyl)ethanone|CS-0044176|2142-71-4 https://www.jk-sci.com/products/s57c4x-162941 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4affbe4c-ee66-462c-aca4-9d81ec1e667e.png?v=1774714939 Entacapone impurity 41 Entacapone impurity 41|C4X-162941 https://www.jk-sci.com/products/j5304981 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f5672132ddf38fc46bcf556bb00d628.jpg?v=1776323993 Fmoc-D-homoleucine | 204320-60-5 Fmoc-D-homoleucine|04981|204320-60-5 https://www.jk-sci.com/products/ts246cs-0044248 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313985.png?v=1776446281 Methyl 4-chloro-3-oxobutanoate | 32807-28-6 Methyl 4-chloro-3-oxobutanoate|CS-0044248|32807-28-6 https://www.jk-sci.com/products/j5304985 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0911a0f69eec6b14753aaad1774acea.jpg?v=1776324008 Boc-L-indoline-2-carboxylic acid | 144069-67-0 Boc-L-indoline-2-carboxylic acid|04985|144069-67-0 https://www.jk-sci.com/products/j5304990 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09810547f7b372163fa7149c906c6443.jpg?v=1776324025 Fmoc-4-methyl-D-phenylalanine | 204260-38-8 Fmoc-4-methyl-D-phenylalanine|04990|204260-38-8 https://www.jk-sci.com/products/ts246cs-0044327 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cb18eeff-6595-4c0c-8961-cd50f8cb5a06.png?v=1776446290 (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-(methylsulfonyl)phenyl)propanoic acid | 1289646-76-9 (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-(methylsulfonyl)phenyl)propanoic acid|CS-0044327|1289646-76-9 https://www.jk-sci.com/products/j5304992 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b85867485893882439a7a5af250d6aa9.jpg?v=1776324032 Fmoc-3-nitro-L-tyrosine | 136590-09-5 Fmoc-3-nitro-L-tyrosine|04992|136590-09-5 https://www.jk-sci.com/products/s57c4x-16303 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2864764a701a43bc269e592910b95382.jpg?v=1776413470 Eplerenone EP Impurity C | 95716-70-4 Eplerenone EP Impurity C|C4X-16303|95716-70-4 https://www.jk-sci.com/products/j5304994 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7a590ffaf476014089e2c90cde04c24.jpg?v=1776324038 Na-Fmoc-Nd-allyloxycarbonyl-L-ornithine | 147290-11-7 Na-Fmoc-Nd-allyloxycarbonyl-L-ornithine|04994|147290-11-7 https://www.jk-sci.com/products/j5305000 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b33654de02a61a7d95a9c8850ad5815.jpg?v=1776324058 Fmoc-tranexamic acid | 167690-53-1 Fmoc-tranexamic acid|05000|167690-53-1 https://www.jk-sci.com/products/j5305014 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc6b924b6970aee5e0901010a8d8693.jpg?v=1776324084 Fmoc-4-nitro-D-phenylalanine | 177966-63-1 Fmoc-4-nitro-D-phenylalanine|05014|177966-63-1 https://www.jk-sci.com/products/j5305024 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e47df95f04d5d76db278f8dcc43f8c9.jpg?v=1776324104 Cystamine dihydrochloride | 56-17-7 Cystamine dihydrochloride|05024|56-17-7 https://www.jk-sci.com/products/ts246cs-0044357 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117253.png?v=1776446305 1-(Bromomethyl)adamantane | 14651-42-4 1-(Bromomethyl)adamantane|CS-0044357|14651-42-4 https://www.jk-sci.com/products/j5305029 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00bbddcedce75da48c62f8f48ad9901b.jpg?v=1776324113 Fmoc-(R,S)-3-amino-N-1-carboxymethyl-2,3,4,5-tetrahydro-1H-[1]benzazepine-2-one | 204322-78-1 Fmoc-(R,S)-3-amino-N-1-carboxymethyl-2,3,4,5-tetrahydro-1H-[1]benzazepine-2-one|05029|204322-78-1 https://www.jk-sci.com/products/j5305034 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa6d306e248061d3e89116baf63fe9e2.jpg?v=1776324130 Boc-Freidinger's lactam | 82611-48-1 Boc-Freidinger's lactam|05034|82611-48-1 https://www.jk-sci.com/products/ts246cs-0044422 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_25a3d411-225a-4092-b1e9-0439bde460e8.png?v=1776446353 4-Amino-1-benzylpyrrolidin-2-one dihydrochloride | 2044703-04-8 4-Amino-1-benzylpyrrolidin-2-one dihydrochloride|CS-0044422|2044703-04-8 https://www.jk-sci.com/products/s57c4x-163318 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_069d0f8c-4166-4e5b-ac0c-f1e1be989acf.png?v=1774988048 Ertapenem Impurity 18 Ertapenem Impurity 18|C4X-163318 https://www.jk-sci.com/products/ts246cs-0044444 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aa05079d-03dd-4613-b6d9-ea8f856f3861.png?v=1776446371 Benzo[d][1,3]dioxol-4-ylmethanamine | 182634-34-0 Benzo[d][1,3]dioxol-4-ylmethanamine|CS-0044444|182634-34-0 https://www.jk-sci.com/products/s57c4x-163349 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3f5fed93b90413897d195081949a23d.jpg?v=1776413497 Ertapenem impurity 49 | 357154-27-9 Ertapenem impurity 49|C4X-163349|357154-27-9 https://www.jk-sci.com/products/ts246cs-0044458 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795680.png?v=1776446398 Methyl 5-hydroxynicotinate hydrochloride | 89937-78-0 Methyl 5-hydroxynicotinate hydrochloride|CS-0044458|89937-78-0 https://www.jk-sci.com/products/ts246cs-0044471 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad05eea8-738c-4b78-9407-700d09247d06.png?v=1776446424 Boc-D-His(Trt)-OH | 393568-74-6 Boc-D-His(Trt)-OH|CS-0044471|393568-74-6 https://www.jk-sci.com/products/s57c4x-16362 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8a41ffafb4cea0ac6bf3a1b2baedce.jpg?v=1776413515 Estradiol Hemihydrate EP Impurity C | 6171-48-8 Estradiol Hemihydrate EP Impurity C|C4X-16362|6171-48-8 https://www.jk-sci.com/products/j5305036 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a88612866c10352c816c5919f16b08d1.jpg?v=1776324136 Boc-nortropinone | 185099-67-6 Boc-nortropinone|05036|185099-67-6 https://www.jk-sci.com/products/ts246cs-0044483 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f62c8be7-db44-4858-b5b3-6e0b6906d3e0.png?v=1776446436 3,6-Dichloropyridin-2-amine | 313535-01-2 3,6-Dichloropyridin-2-amine|CS-0044483|313535-01-2 https://www.jk-sci.com/products/j5303204 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af84e841d94b7cb428a7a724f0a174e5.jpg?v=1776320907 L-Methioninol | 2899-37-8 L-Methioninol|03204|2899-37-8 https://www.jk-sci.com/products/j5304405 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/025e80aa48e0511eec26992efaf0b138.jpg?v=1776323316 N-Methyl-D-alanine hydrochloride | 29475-64-7 N-Methyl-D-alanine hydrochloride|04405|29475-64-7 https://www.jk-sci.com/products/s57c4x-165028 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0430b2ec-a93b-4cf3-be2b-47997717a3bb.png?v=1775141886 Fluticasone Impurity 28 Fluticasone Impurity 28|C4X-165028 https://www.jk-sci.com/products/j5304193 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2e951498fae0b9a261988edd5f4db80.jpg?v=1776322922 Fmoc-D-proline 4-alkoxybenzyl alcohol resin Fmoc-D-proline 4-alkoxybenzyl alcohol resin|04193 https://www.jk-sci.com/products/j5304301 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dd3f255550152cb6b5125f3cc10d6ce.jpg?v=1776323109 1,4-Bis-(Aminomethyl)benzene trityl resin 1,4-Bis-(Aminomethyl)benzene trityl resin|04301 https://www.jk-sci.com/products/j5304124 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aaac68a3a35c87b372ca18d09ab76782.jpg?v=1776322737 D-3,5-Difluorophenylalanine | 266360-63-8 D-3,5-Difluorophenylalanine|04124|266360-63-8 https://www.jk-sci.com/products/ts246cs-0044817 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c160f390-eb80-4af0-80ad-015e465dec5e.png?v=1776446664 7-Ethoxy-2-naphthalenol | 57944-44-2 7-Ethoxy-2-naphthalenol|CS-0044817|57944-44-2 https://www.jk-sci.com/products/s57c4x-1645 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5303710 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29853e86d4281470612257fdc9c135a2.jpg?v=1776321642 Na-Fmoc-Nim-Boc-L-histidine cyclohexylammonium salt | 81379-52-4 Na-Fmoc-Nim-Boc-L-histidine cyclohexylammonium salt|03710|81379-52-4 https://www.jk-sci.com/products/j5305044 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a94a2eabe9f332ee7da5eca505064bd7.jpg?v=1776324155 Z-(R,S)-3-amino-2-oxo-5-phenyl-1,4-benzodiazepine | 108895-98-3 Z-(R,S)-3-amino-2-oxo-5-phenyl-1,4-benzodiazepine|05044|108895-98-3 https://www.jk-sci.com/products/ts246cs-0044726 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_286d9244-f499-4839-b99d-0e5a76a9e745.png?v=1776446615 (S)-3-Amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one | 889460-62-2 (S)-3-Amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one|CS-0044726|889460-62-2 https://www.jk-sci.com/products/s57c4x-16491 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/250263_1e494cdb-d407-4042-a313-44fecce0e5cc.png?v=1774892766 Fluorouracil EP Impurity E | 1820-81-1 Fluorouracil EP Impurity E|C4X-16491|1820-81-1 https://www.jk-sci.com/products/s57c4x-16411 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eecdbe3aa70ef7a9314f7a43a1d8d66.jpg?v=1776413526 Prednisone EP Impurity D | 10184-69-7 Prednisone EP Impurity D|C4X-16411|10184-69-7 https://www.jk-sci.com/products/ts246cs-0044666 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bc56d7d5-fbd7-4406-9ec1-9e6a1ba6a29b.png?v=1776446567 [6,6]-Phenyl-C61-butyric acid methyl ester | 160848-22-6 [6,6]-Phenyl-C61-butyric acid methyl ester|CS-0044666|160848-22-6 https://www.jk-sci.com/products/j5303832 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27f6fd119805998162f1c208c7997985.jpg?v=1776321976 Z-g-aminobutyric acid | 5105-78-2 Z-g-aminobutyric acid|03832|5105-78-2 https://www.jk-sci.com/products/ts246cs-0044768 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d961756f7ec904f60675380e4d044b19.jpg?v=1776446631 6-Bromo-2-fluoropyridin-3-amine | 850220-97-2 6-Bromo-2-fluoropyridin-3-amine|CS-0044768|850220-97-2 https://www.jk-sci.com/products/ts246cs-0044519 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_259244c9-65e9-4b73-b850-50b07ead0d75.png?v=1776446506 1-(3-Bromo-5-(trifluoromethyl)phenyl)ethanone | 154259-25-3 1-(3-Bromo-5-(trifluoromethyl)phenyl)ethanone|CS-0044519|154259-25-3 https://www.jk-sci.com/products/s57c4x-165011 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1e25fb7486eb3ddbf1d5c4005bedeac.jpg?v=1776413550 Fluticasone Propionate EP Impurity F | 1219174-94-3 Fluticasone Propionate EP Impurity F|C4X-165011|1219174-94-3 https://www.jk-sci.com/products/j5304058 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459cc0a51f1021599a1ba3a781506444.jpg?v=1776322531 Boc-3-(3-benzothienyl)-D-alanine | 111082-76-9 Boc-3-(3-benzothienyl)-D-alanine|04058|111082-76-9 https://www.jk-sci.com/products/ts246cs-0044488 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_79bf6fcf-47eb-4417-973a-f7f175cf7d5a.png?v=1776446445 5-(3-Fluorophenyl)-1H-pyrazol-3-amine | 766519-89-5 5-(3-Fluorophenyl)-1H-pyrazol-3-amine|CS-0044488|766519-89-5 https://www.jk-sci.com/products/j5304361 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/955a701039cdae53d0547a5a2a20cc12.jpg?v=1776323225 Na-Acetyl-Nim-trityl-L-histidine | 183498-47-7 Na-Acetyl-Nim-trityl-L-histidine|04361|183498-47-7 https://www.jk-sci.com/products/j5303964 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a54268a6959e842262206a8c1c6c2f3.jpg?v=1776322296 Boc-b-cyclohexyl-L-alanine dicyclohexylammonium salt | 37462-62-7 Boc-b-cyclohexyl-L-alanine dicyclohexylammonium salt|03964|37462-62-7 https://www.jk-sci.com/products/ts246cs-0044653 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ae2beea8-c268-4109-b33e-4e2a4c8258c4.png?v=1776446557 m-PEG7-thiol | 651042-82-9 m-PEG7-thiol|CS-0044653|651042-82-9 https://www.jk-sci.com/products/ts246cs-0044690 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b63c73ee-16f6-4870-88ae-2534eedf7fc3.png?v=1776446579 2-(4-Methylpiperazin-1-yl)pyrimidin-5-amine | 943757-74-2 2-(4-Methylpiperazin-1-yl)pyrimidin-5-amine|CS-0044690|943757-74-2 https://www.jk-sci.com/products/s57c4x-165036 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18b9f3fe9ff598dbfb63247219f11ce1.jpg?v=1776413584 Fluticasone Impurity 36 | 192191-51-8 Fluticasone Impurity 36|C4X-165036|192191-51-8 https://www.jk-sci.com/products/s57c4x-16514 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30ee0bb52d794d1a4660bfc8406311d6.jpg?v=1776413610 Fluvastatin EP Impurity D | 1160169-39-0 Fluvastatin EP Impurity D|C4X-16514|1160169-39-0 https://www.jk-sci.com/products/j5304491 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af4ed96b7a72211380c552c4e2134a7c.jpg?v=1776323502 Bz-Gly-Gly-OH | 1145-32-0 Bz-Gly-Gly-OH|04491|1145-32-0 https://www.jk-sci.com/products/j5304441 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f04e338e84615ac1aab30a449a17a85b.jpg?v=1776323400 L-Phenylalanine allyl ester 4-toluenesulfonate salt | 88224-00-4 L-Phenylalanine allyl ester 4-toluenesulfonate salt|04441|88224-00-4 https://www.jk-sci.com/products/ts246cs-0044850 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329130.png?v=1776446682 3-Phenoxyphenol | 713-68-8 3-Phenoxyphenol|CS-0044850|713-68-8 https://www.jk-sci.com/products/j5304578 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfc6e5e83f49e7d0fc5d8eddc66d4679.jpg?v=1776323571 Leu-Leu-OMe·HCl | 6491-83-4 Leu-Leu-OMe·HCl|04578|6491-83-4 https://www.jk-sci.com/products/s57c4x-165065 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a6ef15b31de1ec308460d56c2fa7e19.jpg?v=1776413592 Fluticasone Impurity 65 | 74131-81-0 Fluticasone Impurity 65|C4X-165065|74131-81-0 https://www.jk-sci.com/products/s57c4x-16511 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83b86626f3e35912709bd42b8db81b10.jpg?v=1776413601 Fluvastatin EP Impurity A Sodium Salt（and enantiomer） | 93957-58-5 Fluvastatin EP Impurity A Sodium Salt（and enantiomer）|C4X-16511|93957-58-5 https://www.jk-sci.com/products/j5304675 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29e9ff294ff5f659f4bc3b9b889de336.jpg?v=1776323620 Z-L-alanyl-L-glutamine | 21467-17-4 Z-L-alanyl-L-glutamine|04675|21467-17-4 https://www.jk-sci.com/products/ts246cs-0044863 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_781d2d6e-bada-4a14-b7d8-8df5cec42112.png?v=1776446697 4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine | 1032943-41-1 4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine|CS-0044863|1032943-41-1 https://www.jk-sci.com/products/ts246cs-0044885 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4bc93b14-1130-457b-9982-c1082b6714c4.png?v=1776446733 1-(1H-Indazol-7-yl)ethan-1-one | 1159511-22-4 1-(1H-Indazol-7-yl)ethan-1-one|CS-0044885|1159511-22-4 https://www.jk-sci.com/products/ts246cs-0044875 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/817119.png?v=1776446721 8-Fluoroisoquinoline | 1075-00-9 8-Fluoroisoquinoline|CS-0044875|1075-00-9 https://www.jk-sci.com/products/j5304777 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/194422ed0d5794c2c9e81192e4920b00.jpg?v=1776323684 TentaGel S-OH (= 0.25 meq/g, 130 μm beads) TentaGel S-OH (= 0.25 meq/g, 130 μm beads)|04777 https://www.jk-sci.com/products/j5304795 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/816882db961c32454a771ecb29757210.jpg?v=1776323719 Fmoc-(3-aminomethyl) benzoic acid | 155369-11-2 Fmoc-(3-aminomethyl) benzoic acid|04795|155369-11-2 https://www.jk-sci.com/products/ts246cs-0044891 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3fa80e00-109d-4a79-bd15-c0ea1e75f493.png?v=1776446753 1-(3,4-Difluorophenyl)cyclopropan-1-amine hydrochloride | 1186663-16-0 1-(3,4-Difluorophenyl)cyclopropan-1-amine hydrochloride|CS-0044891|1186663-16-0 https://www.jk-sci.com/products/s57c4x-16541 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/511395_e4e94d49-b451-4ec3-8cd0-d5c1d9dcd7a4.png?v=1774904583 Gabapentin EP Impurity A | 64744-50-9 Gabapentin EP Impurity A|C4X-16541|64744-50-9 https://www.jk-sci.com/products/ts246cs-0044901 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_afe80d38-c7c1-4df5-b5ab-be6896d6e149.png?v=1776446771 1-(5,6-Dichloropyridin-3-yl)ethanone | 120800-05-7 1-(5,6-Dichloropyridin-3-yl)ethanone|CS-0044901|120800-05-7 https://www.jk-sci.com/products/j5304830 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f97694cb71a10e09a3612afa76bfd9e.jpg?v=1776323787 Trityl threonine triethyl ammonium salt | 80514-76-7 Trityl threonine triethyl ammonium salt|04830|80514-76-7 https://www.jk-sci.com/products/ts246cs-0044940 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0725d16-dba8-4b8d-af09-a65ca2db4c93.png?v=1776446837 1,5-Naphthyridin-3-amine | 14756-77-5 1,5-Naphthyridin-3-amine|CS-0044940|14756-77-5 https://www.jk-sci.com/products/j5304904 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/981e90fb5a9511229bbdae3d9dc0c515.jpg?v=1776323844 Tris(dibenzylideneacetone)dipalladium (0) | 51364-51-3 Tris(dibenzylideneacetone)dipalladium (0)|04904|51364-51-3 https://www.jk-sci.com/products/ts246cs-0044908 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_95048472-3d46-4538-aad0-b4484252097c.png?v=1776446789 (5-Fluoro-2-(hydroxymethyl)phenyl)boronic acid | 1246633-53-3 (5-Fluoro-2-(hydroxymethyl)phenyl)boronic acid|CS-0044908|1246633-53-3 https://www.jk-sci.com/products/ts246cs-0044912 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b637f6d1-418a-49a0-8a7e-8d7cc1564016.png?v=1776446795 (5-(Hydroxymethyl)furan-2-yl)boronic acid | 1256355-56-2 (5-(Hydroxymethyl)furan-2-yl)boronic acid|CS-0044912|1256355-56-2 https://www.jk-sci.com/products/ts246cs-0044917 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6d27da07-0263-446e-8c96-d9601b79e200.png?v=1776446809 Methyl 3-amino-4-(trifluoromethyl)benzoate | 126541-82-0 Methyl 3-amino-4-(trifluoromethyl)benzoate|CS-0044917|126541-82-0 https://www.jk-sci.com/products/ts246cs-0044952 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e0d4b042-f8ae-42cc-af67-1068a46bfc5f.png?v=1776446854 (4-(Pyridin-2-yl)phenyl)boronic acid | 170230-27-0 (4-(Pyridin-2-yl)phenyl)boronic acid|CS-0044952|170230-27-0 https://www.jk-sci.com/products/j5304921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68d535aa1c9927ad72d3281fc4521cd4.jpg?v=1776323867 3-Amino-L-tyrosine·2HCl | 23279-22-3 3-Amino-L-tyrosine·2HCl|04921|23279-22-3 https://www.jk-sci.com/products/ts246cs-0044959 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_845ab37d-a602-49d4-82a1-1bc206aedc3c.png?v=1776446872 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine | 181374-43-6 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine|CS-0044959|181374-43-6 https://www.jk-sci.com/products/j5304983 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcce2f15817e3fc5e9da5cef56d6039d.jpg?v=1776324002 Boc-L-b-homoleucine | 132549-43-0 Boc-L-b-homoleucine|04983|132549-43-0 https://www.jk-sci.com/products/j5304996 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4abab7eb772df4e88034c38792da81.jpg?v=1776324045 Fmoc-4-diethylphosphomethyl-D-phenylalanine | 215600-05-8 Fmoc-4-diethylphosphomethyl-D-phenylalanine|04996|215600-05-8 https://www.jk-sci.com/products/j5304991 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0202f48118e659628298f56cd23fbdef.jpg?v=1776324028 Fmoc-4-methyl-L-phenylalanine | 199006-54-7 Fmoc-4-methyl-L-phenylalanine|04991|199006-54-7 https://www.jk-sci.com/products/j5304976 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf441c08ac51c76dd902fa9e220f7e88.jpg?v=1776323974 Na-Fmoc-Nb-Z-L-2,3-diaminopropionic acid | 204316-36-9 Na-Fmoc-Nb-Z-L-2,3-diaminopropionic acid|04976|204316-36-9 https://www.jk-sci.com/products/ts246cs-0045036 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ed960823-178b-4456-a369-fca322d45c15.png?v=1776447012 Ethyl 5-amino-2-methylnicotinate | 60390-42-3 Ethyl 5-amino-2-methylnicotinate|CS-0045036|60390-42-3 https://www.jk-sci.com/products/j5304949 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2c1d606e0215512eac7e9fd955e1668.jpg?v=1776323911 Boc-(3S,4S,5S)-4-amino-3-hydroxy-5-methylheptanoic acid dicyclohexylammonium salt | 204199-26-8 Boc-(3S,4S,5S)-4-amino-3-hydroxy-5-methylheptanoic acid dicyclohexylammonium salt|04949|204199-26-8 https://www.jk-sci.com/products/ts246cs-0044963 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/596019.png?v=1776446882 Methyl 3-bromo-5-iodobenzoate | 188813-07-2 Methyl 3-bromo-5-iodobenzoate|CS-0044963|188813-07-2 https://www.jk-sci.com/products/s57c4x-16545 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f27453e38dcb167c43eb3b618f0b3d5.jpg?v=1776413616 Gabapentin EP Impurity E | 67950-95-2 Gabapentin EP Impurity E|C4X-16545|67950-95-2 https://www.jk-sci.com/products/j5304961 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97e7a6daad8d4be7092edae8c1c5a704.jpg?v=1776323945 Fmoc-4-carboxymethyl-piperidine | 180181-05-9 Fmoc-4-carboxymethyl-piperidine|04961|180181-05-9 https://www.jk-sci.com/products/ts246cs-0045028 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380444.png?v=1776446999 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one | 5334-56-5 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one|CS-0045028|5334-56-5 https://www.jk-sci.com/products/ts246cs-0044973 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_97733bd0-189a-451d-a862-2c0a6ddf90ee.png?v=1776446896 tert-Butyl 6-nitro-1H-indazole-1-carboxylate | 219503-74-9 tert-Butyl 6-nitro-1H-indazole-1-carboxylate|CS-0044973|219503-74-9 https://www.jk-sci.com/products/s57c4x-16562 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/197c440137abb644748aba180ccfd46d.jpg?v=1776413623 Glibenclamide EP Impurity B | 21165-77-5 Glibenclamide EP Impurity B|C4X-16562|21165-77-5 https://www.jk-sci.com/products/ts246cs-0045007 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d0cf335e-515d-4e0a-9bb4-73be08a3f496.png?v=1776446966 Isoquinoline-8-carbonitrile | 362606-11-9 Isoquinoline-8-carbonitrile|CS-0045007|362606-11-9 https://www.jk-sci.com/products/s57c4x-1662 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a611ca61fd985726a014c50481c1c25.jpg?v=1776413633 Imipenem, Monohydrate | 74431-23-5 Imipenem, Monohydrate|C4X-1662|74431-23-5 https://www.jk-sci.com/products/j5305021 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315949c99aa522f6bb9fbf965e29e9d0.jpg?v=1776324097 Fmoc-3-(4'-pyridyl)-L-alanine | 169555-95-7 Fmoc-3-(4'-pyridyl)-L-alanine|05021|169555-95-7 https://www.jk-sci.com/products/j5305033 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4a9b00e35afbc393be481302663692e.jpg?v=1776324127 Fmoc-(3S,6S,9R)-2-oxo-3-amino-7-thia-1-azabicyclo[4.3.0]nonane-9-carboxylic acid | 204326-07-8 Fmoc-(3S,6S,9R)-2-oxo-3-amino-7-thia-1-azabicyclo[4.3.0]nonane-9-carboxylic acid|05033|204326-07-8 https://www.jk-sci.com/products/ts246cs-0045064 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/509114.png?v=1776447069 tert-Butyl 5-bromo-3-iodo-1H-indole-1-carboxylate | 850349-72-3 tert-Butyl 5-bromo-3-iodo-1H-indole-1-carboxylate|CS-0045064|850349-72-3 https://www.jk-sci.com/products/ts246cs-0045049 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241536.png?v=1776447036 6-Methyl-1H-indazole | 698-24-8 6-Methyl-1H-indazole|CS-0045049|698-24-8 https://www.jk-sci.com/products/j5305043 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff8b236499b0e8a36d8c80f9ecc591ce.jpg?v=1776324152 Fmoc-cycloleucine | 117322-30-2 Fmoc-cycloleucine|05043|117322-30-2 https://www.jk-sci.com/products/s57c4x-166314 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16647 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364948_23152d6e-a7b9-4280-8f0c-5e6d55751b80.png?v=1774741369 Iohexol EP Impurity J | 76801-93-9 Iohexol EP Impurity J|C4X-16647|76801-93-9 https://www.jk-sci.com/products/j5305049 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdaa5aa2818911ccc8c04ef2f1b79017.jpg?v=1776324171 Boc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one | 180386-35-0 Boc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one|05049|180386-35-0 https://www.jk-sci.com/products/ts246cs-0045068 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_053dcb2f-4ca8-484d-8fda-e5f678348793.png?v=1776447078 Methyl 6-bromo-1H-indole-3-carboxylate | 868656-97-7 Methyl 6-bromo-1H-indole-3-carboxylate|CS-0045068|868656-97-7 https://www.jk-sci.com/products/j5305056 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88c19de9e2a32142fae6f51a0e2d9b8a.jpg?v=1776324187 Fmoc-4-phenylpiperidine-4-carboxylic acid | 215190-19-5 Fmoc-4-phenylpiperidine-4-carboxylic acid|05056|215190-19-5 https://www.jk-sci.com/products/ts246cs-0045088 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/541850.png?v=1776447118 (tert-Butoxycarbonyl)methionine | 93000-03-4 (tert-Butoxycarbonyl)methionine|CS-0045088|93000-03-4 https://www.jk-sci.com/products/ts246cs-0045101 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_39554bb5-cbe3-45e7-baec-7f6b5960c5a8.png?v=1776447139 2-Chloro-7-fluoroquinazoline | 956101-10-3 2-Chloro-7-fluoroquinazoline|CS-0045101|956101-10-3 https://www.jk-sci.com/products/ts246cs-0045325 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501750.png?v=1776447205 6-Methylthiochroman-4-one | 6948-34-1 6-Methylthiochroman-4-one|CS-0045325|6948-34-1 https://www.jk-sci.com/products/ts246cs-0045117 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3121dc0d-d094-4a08-b2f9-39f91061988c.png?v=1776447162 4-Bromo-1H-indazole-6-carbonitrile | 898746-96-8 4-Bromo-1H-indazole-6-carbonitrile|CS-0045117|898746-96-8 https://www.jk-sci.com/products/ts246cs-0045218 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796032.png?v=1776447177 2-Methyl-6-(trifluoromethyl)quinoline | 66023-21-0 2-Methyl-6-(trifluoromethyl)quinoline|CS-0045218|66023-21-0 https://www.jk-sci.com/products/j5305068 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd555c5868f6d7db729e1628e0ce44f9.jpg?v=1776324200 Morpholinomethyl polystyrene resin Morpholinomethyl polystyrene resin|05068 https://www.jk-sci.com/products/ts246cs-0045384 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420065.png?v=1776447245 2,2'-(1,3-Dioxolane-2,2-diyl)diethanol | 5694-95-1 2,2'-(1,3-Dioxolane-2,2-diyl)diethanol|CS-0045384|5694-95-1 https://www.jk-sci.com/products/ts246cs-0045517 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c1989bb-cf63-4773-bf9f-8da0ce98cd83.png?v=1776447299 Thietan-3-amine hydrochloride | 128861-78-9 Thietan-3-amine hydrochloride|CS-0045517|128861-78-9 https://www.jk-sci.com/products/s57c4x-166530 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b394e05ddea423aaba9de9f1ca81728_a1145ee6-0394-4710-97f0-6b4b1225c324.jpg?v=1776413643 Ipratropium Impurity 30 | 259092-15-4 Ipratropium Impurity 30|C4X-166530|259092-15-4 https://www.jk-sci.com/products/j5305109 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a909d309b522c4f9d4fe525ddb83552.jpg?v=1776324271 Fmoc-1-aminocyclopropane-1-carboxylic acid | 126705-22-4 Fmoc-1-aminocyclopropane-1-carboxylic acid|05109|126705-22-4 https://www.jk-sci.com/products/s57c4x-166536 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5305112 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c49aae177eb95bc8226dbef137eed259.jpg?v=1776324284 Boc-4-benzoyl-L-phenylalanine | 104504-43-0 Boc-4-benzoyl-L-phenylalanine|05112|104504-43-0 https://www.jk-sci.com/products/j5305089 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e603e9c09b4c23df2dbdff98ee701a23.jpg?v=1776324235 Na-Fmoc-Ne-trimethylsilylethoxycarbonyl-D-lysine | 198545-00-5 Na-Fmoc-Ne-trimethylsilylethoxycarbonyl-D-lysine|05089|198545-00-5 https://www.jk-sci.com/products/s57c4x-16658 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0da75c4b7d57ba1a555bde705d39b72.jpg?v=1776413656 Ipratropium Bromide EP Impurity B | 58073-59-9 Ipratropium Bromide EP Impurity B|C4X-16658|58073-59-9 https://www.jk-sci.com/products/j5305078 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2f6d59a76d6c11668e2a459af847fd5.jpg?v=1776324212 Fmoc-L-glutamic acid g-tert-butyl ester a-amide | 104090-92-8 Fmoc-L-glutamic acid g-tert-butyl ester a-amide|05078|104090-92-8 https://www.jk-sci.com/products/ts246cs-0045532 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265001.png?v=1776447316 tert-Butyl 3-(2-cyanoacetyl)azetidine-1-carboxylate | 887594-13-0 tert-Butyl 3-(2-cyanoacetyl)azetidine-1-carboxylate|CS-0045532|887594-13-0 https://www.jk-sci.com/products/j5305116 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c10345cd77ed6d0d289ddd93f1fe68b.jpg?v=1776324297 Boc-L-2-cyclohexylglycine dicyclohexylammonium salt | 109183-71-3 Boc-L-2-cyclohexylglycine dicyclohexylammonium salt|05116|109183-71-3 https://www.jk-sci.com/products/j5305120 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97575aac17fd7cb2a43143df5043ad7c.jpg?v=1776324310 Na,b-Bis-Fmoc-D-2,3-diaminopropionic acid | 1217631-22-5 Na,b-Bis-Fmoc-D-2,3-diaminopropionic acid|05120|1217631-22-5 https://www.jk-sci.com/products/ts246cs-0045569 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d36994c5-15d2-4609-875f-3bbb0dc82968.png?v=1776447360 Dimethyl 2-hydroxy-2,3-dihydrobenzofuran-4,6-dicarboxylate | 1268024-07-2 Dimethyl 2-hydroxy-2,3-dihydrobenzofuran-4,6-dicarboxylate|CS-0045569|1268024-07-2 https://www.jk-sci.com/products/j5305132 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aea7e5ba96e5e1e2bef6dd3a8032e50.jpg?v=1776324352 Boc-pentafluoro-L-phenylalanine | 34702-60-8 Boc-pentafluoro-L-phenylalanine|05132|34702-60-8 https://www.jk-sci.com/products/j5305127 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d3daa89e1cf796f92b3c420c2c3c722.jpg?v=1776324333 Boc-L-homotyrosine dicyclohexylammonium salt | 198473-95-9 Boc-L-homotyrosine dicyclohexylammonium salt|05127|198473-95-9 https://www.jk-sci.com/products/s57c4x-166625 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3344a57a64a74d25e1bf8594697b52c6.jpg?v=1776413668 Irbesartan Impurity 25 | 151257-01-1 Irbesartan Impurity 25|C4X-166625|151257-01-1 https://www.jk-sci.com/products/j5305136 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe39768fb80240850d33db464d666f3a.jpg?v=1776324366 Fmo-L-homoproline | 86069-86-5 Fmo-L-homoproline|05136|86069-86-5 https://www.jk-sci.com/products/j5305178 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/848a1208a1abab3be153e64dace1bb8c.jpg?v=1776324415 O-tert-Butyl-L-threoninol-2-chlorotrityl resin O-tert-Butyl-L-threoninol-2-chlorotrityl resin|05178 https://www.jk-sci.com/products/ts246cs-0044056 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4a93a9c-d489-4f67-ac2e-957750e0e9c5.png?v=1776446074 1H-Pyrazolo[4,3-b]pyridin-3-amine | 202336-32-1 1H-Pyrazolo[4,3-b]pyridin-3-amine|CS-0044056|202336-32-1 https://www.jk-sci.com/products/ts246cs-0044073 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_30b4485d-a09b-4b98-b30e-9f6e1bce4841.png?v=1776446108 (6-Fluoropyridin-3-yl)methanamine | 205744-17-8 (6-Fluoropyridin-3-yl)methanamine|CS-0044073|205744-17-8 https://www.jk-sci.com/products/ts246cs-0044213 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_724453e3-2ae6-430d-a948-41503bfeaefb.png?v=1776446260 6-Methoxyquinolin-4(1H)-one | 13788-72-2 6-Methoxyquinolin-4(1H)-one|CS-0044213|13788-72-2 https://www.jk-sci.com/products/ts246cs-0044128 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/122604.png?v=1776446198 1H-Pyrrolo[2,3-b]pyridine-6-carboxylic acid | 898746-35-5 1H-Pyrrolo[2,3-b]pyridine-6-carboxylic acid|CS-0044128|898746-35-5 https://www.jk-sci.com/products/j5305182 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f82d1824df4efb929fa8ba0d5ecadd8.jpg?v=1776324425 4-Acetoxymethylbenzoic acid | 15561-46-3 4-Acetoxymethylbenzoic acid|05182|15561-46-3 https://www.jk-sci.com/products/ts246cs-0044360 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150394.png?v=1776446313 1,2-Dimethyl-1H-imidazole-5-carbaldehyde | 24134-12-1 1,2-Dimethyl-1H-imidazole-5-carbaldehyde|CS-0044360|24134-12-1 https://www.jk-sci.com/products/ts246cs-0044325 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5c7009d0-8929-4e3f-a840-aee80f33c38f.png?v=1776446287 5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde | 660845-30-7 5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde|CS-0044325|660845-30-7 https://www.jk-sci.com/products/s57c4x-16667 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/306406_4febce93-4576-4109-9d9f-b45e600e556d.png?v=1774882260 Irbesartan Impurity 7 | 138401-24-8 Irbesartan Impurity 7|C4X-16667|138401-24-8 https://www.jk-sci.com/products/ts246cs-0044474 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0b6ea036-e5f2-4be6-845e-0cd361372b37.png?v=1776446427 4-(4-Chlorophenoxy)-3,5-difluoroaniline | 549547-33-3 4-(4-Chlorophenoxy)-3,5-difluoroaniline|CS-0044474|549547-33-3 https://www.jk-sci.com/products/j5305201 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d6c00c4cda8e70810fcbae2f2516978.jpg?v=1776324448 Boc-Lys(Boc)-Pro-OH | 198475-99-9 Boc-Lys(Boc)-Pro-OH|05201|198475-99-9 https://www.jk-sci.com/products/ts246cs-0044446 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ad30f878-6bf4-4584-b3dc-5b09f30a65d7.png?v=1776446378 3-Bromo-1H-indole-6-carboxylic acid | 219508-19-7 3-Bromo-1H-indole-6-carboxylic acid|CS-0044446|219508-19-7 https://www.jk-sci.com/products/j5305282 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437b5cd717179d9c4cf1b7705ef9310d.jpg?v=1776324504 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine | 186698-61-3 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine|05282|186698-61-3 https://www.jk-sci.com/products/j5305219 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1bb0757ec925172753511e848667966.jpg?v=1776324461 Z-Phe-Ala-OH | 21881-18-5 Z-Phe-Ala-OH|05219|21881-18-5 https://www.jk-sci.com/products/j5305294 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3da4e6461c6676a027983d6e37a23359.jpg?v=1776324526 Fmoc-L-aspartic acid-b-cyclohexyl ester | 130304-80-2 Fmoc-L-aspartic acid-b-cyclohexyl ester|05294|130304-80-2 https://www.jk-sci.com/products/ts246cs-0044496 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/592512.png?v=1776446461 Tributyl(furan-2-yl)stannane | 118486-94-5 Tributyl(furan-2-yl)stannane|CS-0044496|118486-94-5 https://www.jk-sci.com/products/ts246cs-0044659 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414564_992a4b31-7ccc-432a-99ed-fa984cbdca88.png?v=1776446563 2-Methyl-1H-benzo[d]imidazole-5-carboxylic acid | 709-19-3 2-Methyl-1H-benzo[d]imidazole-5-carboxylic acid|CS-0044659|709-19-3 https://www.jk-sci.com/products/ts246cs-0044860 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c8920e24-f93a-4cb4-acc3-a3a042d858b0.png?v=1776446689 1-Isobutyl-1H-pyrazole-4-carbaldehyde | 1006333-32-9 1-Isobutyl-1H-pyrazole-4-carbaldehyde|CS-0044860|1006333-32-9 https://www.jk-sci.com/products/ts246cs-0044709 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603500.png?v=1776446587 5-Bromo-2-(methylsulphonyl)pyrimidine | 38275-48-8 5-Bromo-2-(methylsulphonyl)pyrimidine|CS-0044709|38275-48-8 https://www.jk-sci.com/products/j5305298 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b8ce8d36bfb3ea64a6040092a0a9703.jpg?v=1776324534 Boc-S-benzyl-D-cysteine | 102830-49-9 Boc-S-benzyl-D-cysteine|05298|102830-49-9 https://www.jk-sci.com/products/ts246cs-0044805 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135149_465fced7-b02e-4766-b704-2a41775523b5.png?v=1776446652 2,2,2-Trifluoroethyl 4-methylbenzene-1-sulfonate | 433-06-7 2,2,2-Trifluoroethyl 4-methylbenzene-1-sulfonate|CS-0044805|433-06-7 https://www.jk-sci.com/products/ts246cs-0044880 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_925566fa-9a5e-4946-ae4f-ae8e08f23190.png?v=1776446724 6-Chloro-5-(trifluoromethyl)nicotinaldehyde | 1113049-90-3 6-Chloro-5-(trifluoromethyl)nicotinaldehyde|CS-0044880|1113049-90-3 https://www.jk-sci.com/products/j5305307 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad8b7c834444f60b9d34b155d8b07c86.jpg?v=1776324550 Boc-O-benzyl-L-trans-4-hydroxyproline dicyclohexylammonium salt | 54631-81-1 Boc-O-benzyl-L-trans-4-hydroxyproline dicyclohexylammonium salt|05307|54631-81-1 https://www.jk-sci.com/products/j5305315 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5996a0ef0e63afb44e1ceb0bf1d8a171.jpg?v=1776324561 Benzyl-L-proline | 31795-93-4 Benzyl-L-proline|05315|31795-93-4 https://www.jk-sci.com/products/j5305332 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a2c688a72b36859a795b3a9c165829f.jpg?v=1776324597 Fmoc-S-trityl-D-cysteine 4-alkoxybenzyl alcohol resin Fmoc-S-trityl-D-cysteine 4-alkoxybenzyl alcohol resin|05332 https://www.jk-sci.com/products/s57c4x-166731 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128592_a07be254-015f-45b7-8cf9-e9e5e503243d.png?v=1775140489 Irinotecan Hydrochloride Trihydrate | 136572-09-3 Irinotecan Hydrochloride Trihydrate|C4X-166731|136572-09-3 https://www.jk-sci.com/products/j5305320 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9399811de6bddc6a4e6cbb1700c1af6.jpg?v=1776324574 N,O-Bis-Boc-L-tyrosine | 20866-48-2 N,O-Bis-Boc-L-tyrosine|05320|20866-48-2 https://www.jk-sci.com/products/s57c4x-166748 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0044900 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87fb5e3e-20e4-4859-a1f5-199ff39d0035.png?v=1776446768 4-Bromo-6-methylisoquinoline | 1204298-52-1 4-Bromo-6-methylisoquinoline|CS-0044900|1204298-52-1 https://www.jk-sci.com/products/j5305342 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba8f453574e77475a885eb01c35854b6.jpg?v=1776324615 3-(4-Hydroxymethylphenoxy)propionic acid | 101366-61-4 3-(4-Hydroxymethylphenoxy)propionic acid|05342|101366-61-4 https://www.jk-sci.com/products/j5305348 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b4f74a3939b6e1d7eb3d0478b1d5435.jpg?v=1776324633 Na-Fmoc-Nim-4-toluenesylfonyl-L-histidine | 112380-10-6 Na-Fmoc-Nim-4-toluenesylfonyl-L-histidine|05348|112380-10-6 https://www.jk-sci.com/products/j5305361 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03f0a3c20c2b57fb03e544e468909358.jpg?v=1776324653 Z-D-norleucine | 15027-14-2 Z-D-norleucine|05361|15027-14-2 https://www.jk-sci.com/products/j5305350 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe9cbd6e1bf5a0d0500a183bc784274c.jpg?v=1776324639 Fmoc-O-methyl-L-tyrosine | 77128-72-4 Fmoc-O-methyl-L-tyrosine|05350|77128-72-4 https://www.jk-sci.com/products/j5305372 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdc29df4cb333f78ebc277cd40a53858.jpg?v=1776324678 L-Phenylglycinol | 20989-17-7 L-Phenylglycinol|05372|20989-17-7 https://www.jk-sci.com/products/ts246cs-0044911 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f9a377b-518f-4428-939c-72919bb0be80.png?v=1776446792 (4-Chloro-3-isopropoxyphenyl)boronic acid | 1256346-35-6 (4-Chloro-3-isopropoxyphenyl)boronic acid|CS-0044911|1256346-35-6 https://www.jk-sci.com/products/j5305386 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52eefb511172dddc0997aa70b01ae6b9.jpg?v=1776324700 N,S-di-Z-L-cysteine | 57912-35-3 N,S-di-Z-L-cysteine|05386|57912-35-3 https://www.jk-sci.com/products/ts246cs-0044925 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb246ec6cfc1151244942d21fbf53770.jpg?v=1776446822 (6-Methyl-1H-indazol-5-yl)boronic acid | 1310405-35-6 (6-Methyl-1H-indazol-5-yl)boronic acid|CS-0044925|1310405-35-6 https://www.jk-sci.com/products/ts246cs-0044970 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66db5681dc7a8bd86eaab149c4dfa2c1.jpg?v=1776446889 4-(1H-Imidazol-2-yl)pyridine | 21202-42-6 4-(1H-Imidazol-2-yl)pyridine|CS-0044970|21202-42-6 https://www.jk-sci.com/products/ts246cs-0044953 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368554.png?v=1776446857 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione | 174463-53-7 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0044953|174463-53-7 https://www.jk-sci.com/products/ts246cs-0045021 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890280.png?v=1776446994 Potassium trifluoro(phenylethynyl)borate | 485338-93-0 Potassium trifluoro(phenylethynyl)borate|CS-0045021|485338-93-0 https://www.jk-sci.com/products/s57c4x-16677 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e6d5c3f964d0abf3456073e30789f03.jpg?v=1776413689 Irinotecan EP Impurity G | 947687-01-6 Irinotecan EP Impurity G|C4X-16677|947687-01-6 https://www.jk-sci.com/products/ts246cs-0045038 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac4099bb391fdbe50abf3ce7efd948af.jpg?v=1776447015 7-Bromoindoline | 62813-85-8 7-Bromoindoline|CS-0045038|62813-85-8 https://www.jk-sci.com/products/j5305397 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd67aa31228ad2c932ded69e7e93ec95.jpg?v=1776324717 Z-dehydroalanine | 39692-63-2 Z-dehydroalanine|05397|39692-63-2 https://www.jk-sci.com/products/ts246cs-0045066 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55ca8340088b7dd954597725d845c958.jpg?v=1776447075 Methyl 2-amino-6-fluorobenzoate | 86505-94-4 Methyl 2-amino-6-fluorobenzoate|CS-0045066|86505-94-4 https://www.jk-sci.com/products/j5303467 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd04a535b6d5cae8e6efc7725b093333.jpg?v=1776321340 Glycine-2-chlorotrityl resin (0.8 - 1.2 meq/g, 200 - 400 mesh) Glycine-2-chlorotrityl resin (0.8 - 1.2 meq/g, 200 - 400 mesh)|03467 https://www.jk-sci.com/products/s57c4x-166912 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5305391 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8525437f00a8d0d3b1127902176992cd.jpg?v=1776324710 Na-Boc-Ne-4-toluenesulfonyl-L-lysine dicyclohexylammonium salt | 13734-29-7 Na-Boc-Ne-4-toluenesulfonyl-L-lysine dicyclohexylammonium salt|05391|13734-29-7 https://www.jk-sci.com/products/j5303905 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70f6e4e4564656ac78114085da38d21a.jpg?v=1776322165 Na-Fmoc-Ng-4-methyltrityl-L-asparagine | 144317-22-6 Na-Fmoc-Ng-4-methyltrityl-L-asparagine|03905|144317-22-6 https://www.jk-sci.com/products/ts246cs-0045100 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b439f0c6039058ae6f10fb9b65d5f010.jpg?v=1776447137 2-Chloroquinazolin-8-ol | 953039-10-6 2-Chloroquinazolin-8-ol|CS-0045100|953039-10-6 https://www.jk-sci.com/products/s57c4x-166914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1caed6129f9dd0aba4f26c8bec2ecfca.jpg?v=1776413702 Ketorolac EP Impurity F | 1391052-68-8 Ketorolac EP Impurity F|C4X-166914|1391052-68-8 https://www.jk-sci.com/products/ts246cs-0045206 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/173a2459c88fba11f315725be51dccc6.jpg?v=1776447174 1-(6-Aminonaphthalen-2-yl)ethan-1-one | 7470-88-4 1-(6-Aminonaphthalen-2-yl)ethan-1-one|CS-0045206|7470-88-4 https://www.jk-sci.com/products/ts246cs-0045367 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791862.png?v=1776447222 (2-Methylthiazol-4-yl)methanol | 76632-23-0 (2-Methylthiazol-4-yl)methanol|CS-0045367|76632-23-0 https://www.jk-sci.com/products/j5304101 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a47168495c6a7756030718c5fd5a51ba.jpg?v=1776322656 Boc-3-chloro-D-phenylalanine | 80102-25-6 Boc-3-chloro-D-phenylalanine|04101|80102-25-6 https://www.jk-sci.com/products/j5304231 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2219b1043f7e31fe41984063a9f0078e.jpg?v=1776322991 Fmoc-S-trityl-L-cysteine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh) Fmoc-S-trityl-L-cysteine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|04231 https://www.jk-sci.com/products/s57c4x-166938 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794739_14a5dc1e-66ea-409f-aa19-b14ddd371510.png?v=1775072819 Ketorolac Impurity 38 | 1468-28-6 Ketorolac Impurity 38|C4X-166938|1468-28-6 https://www.jk-sci.com/products/s57c4x-166921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e944d469-25bc-4aeb-a1ee-1aa5b9dc431a.png?v=1774666853 Ketorolac Impurity 21 Ketorolac Impurity 21|C4X-166921 https://www.jk-sci.com/products/j5304374 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41c62a6b55be7ea5b1d97b77334b04d7.jpg?v=1776323256 Na-Acetyl-Ne-Boc-L-lysine | 23500-04-1 Na-Acetyl-Ne-Boc-L-lysine|04374|23500-04-1 https://www.jk-sci.com/products/ts246cs-0045524 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d907ecbd83fc3c2b103012b5d5720c3.jpg?v=1776447305 1-Boc-3-((Methylamino)methyl)azetidine | 1049730-81-5 1-Boc-3-((Methylamino)methyl)azetidine|CS-0045524|1049730-81-5 https://www.jk-sci.com/products/ts246cs-0044147 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4dcdcc4b6db8ca2d5af9510ef08e57d.jpg?v=1776446210 4-Bromo-1H-pyrrole-2-carboxamide | 196106-96-4 4-Bromo-1H-pyrrole-2-carboxamide|CS-0044147|196106-96-4 https://www.jk-sci.com/products/ts246cs-0044063 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63e68b387b105934bcfa451eaa2f08ed.jpg?v=1776446088 Bicyclo[4.2.0]octa-1,3,5-triene-3-carbaldehyde | 112892-88-3 Bicyclo[4.2.0]octa-1,3,5-triene-3-carbaldehyde|CS-0044063|112892-88-3 https://www.jk-sci.com/products/j5304629 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/063aff4098b3c85f5dc1d70c69a0eeb2.jpg?v=1776323596 L-Pyroglutamic acid 7-amido-4-methylcoumarin | 66642-36-2 L-Pyroglutamic acid 7-amido-4-methylcoumarin|04629|66642-36-2 https://www.jk-sci.com/products/ts246cs-0044352 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51f1259a3ac86d6f564e2f6f3aa94902.jpg?v=1776446302 Methyl 3-acetylbenzoate | 21860-07-1 Methyl 3-acetylbenzoate|CS-0044352|21860-07-1 https://www.jk-sci.com/products/ts246cs-0044462 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338d191b0803b1103fff47ed13a1c2fb.jpg?v=1776446407 Ethyl benzo[d]oxazole-5-carboxylate | 1404370-64-4 Ethyl benzo[d]oxazole-5-carboxylate|CS-0044462|1404370-64-4 https://www.jk-sci.com/products/j5304784 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc86e17bc55f73e23cee944890607e55.jpg?v=1776323700 Tentagel S SH (0.2 - 0.3 meq/g, 130 μm) Tentagel S SH (0.2 - 0.3 meq/g, 130 μm)|04784 https://www.jk-sci.com/products/j5304456 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/200bbc4c5cd507c19b8e974c2b8fca40.jpg?v=1776323447 L-Tyrosine allyl ester 4-toluenesulfonate salt | 125441-05-6 L-Tyrosine allyl ester 4-toluenesulfonate salt|04456|125441-05-6 https://www.jk-sci.com/products/ts246cs-0044565 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1ca95575546e00fa6a2e90c422e74f.jpg?v=1776446543 rel-(1R,2R)-2-(2-(Trifluoromethyl)phenyl)cyclopropane-1-carboxylic acid | 157518-49-5 rel-(1R,2R)-2-(2-(Trifluoromethyl)phenyl)cyclopropane-1-carboxylic acid|CS-0044565|157518-49-5 https://www.jk-sci.com/products/s57c4x-16721 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b022f91ad126d5ba30ab7b78aef4492f.jpg?v=1776413745 Lamotrigine EP Impurity A | 252186-78-0 Lamotrigine EP Impurity A|C4X-16721|252186-78-0 https://www.jk-sci.com/products/ts246cs-0044914 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db20f5b26db503effd6a20e0d52aefe5.jpg?v=1776446803 4-Chloro-1H-pyrazolo[3,4-c]pyridine | 1260671-36-0 4-Chloro-1H-pyrazolo[3,4-c]pyridine|CS-0044914|1260671-36-0 https://www.jk-sci.com/products/ts246cs-0044889 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4a81f962beb26f9e293fd01574347da.jpg?v=1776446746 3-Bromo-1H-pyrazolo[3,4-b]pyridin-5-amine | 1186608-71-8 3-Bromo-1H-pyrazolo[3,4-b]pyridin-5-amine|CS-0044889|1186608-71-8 https://www.jk-sci.com/products/ts246cs-0044823 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5f3e047de10656fa7785214b3036bab.jpg?v=1776446670 tert-Butyl (2S,4S)-4-amino-2-(hydroxymethyl)pyrrolidine-1-carboxylate hydrochloride | 1279037-14-7 tert-Butyl (2S,4S)-4-amino-2-(hydroxymethyl)pyrrolidine-1-carboxylate hydrochloride|CS-0044823|1279037-14-7 https://www.jk-sci.com/products/ts246cs-0039069 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64edb4cdab6a916c4ad0d3a823d7a24e.jpg?v=1776439108 tert-Butyl 4-cyano-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate | 946497-94-5 tert-Butyl 4-cyano-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate|CS-0039069|946497-94-5 https://www.jk-sci.com/products/ts246cs-0044961 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2c48c5ee4cd4c567232f6f70df72d33.jpg?v=1776446879 (4-Hydroxy-3-methoxyphenyl)boronic acid | 182344-21-4 (4-Hydroxy-3-methoxyphenyl)boronic acid|CS-0044961|182344-21-4 https://www.jk-sci.com/products/s57c4x-16723 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1ed53c859106fa507b4df83ef7efb35.jpg?v=1776413754 Lamotrigine EP Impurity G | 38943-76-9 Lamotrigine EP Impurity G|C4X-16723|38943-76-9 https://www.jk-sci.com/products/s57c4x-16697 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e416a413a30bb054afd7554147919392.jpg?v=1776413731 Ketorolac EP Impurity G | 1391051-90-3 Ketorolac EP Impurity G|C4X-16697|1391051-90-3 https://www.jk-sci.com/products/s57c4x-167312 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485415_c882f966-072b-4b94-a607-0c7144381168.png?v=1774644625 Leflunomide EP Impurity A | 455-14-1 Leflunomide EP Impurity A|C4X-167312|455-14-1 https://www.jk-sci.com/products/ts246cs-0041013 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101274_5e41a019-51ac-487e-b9c4-616848e717d6.png?v=1776440788 3-Chloro-4-iodophenyl trifluoromethyl ether | 345226-19-9 3-Chloro-4-iodophenyl trifluoromethyl ether|CS-0041013|345226-19-9 https://www.jk-sci.com/products/s57c4x-16734 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415960_ca20f216-2521-41a0-9e0e-1a48a7cd232c.png?v=1774974455 Leflunomide EP Impurity D | 42831-50-5 Leflunomide EP Impurity D|C4X-16734|42831-50-5 https://www.jk-sci.com/products/ts246cs-0044235 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b1cd1e6562e2151ef185eb261036386.jpg?v=1776446275 5-Bromo-4-nitrothiophene-2-carboxylic acid | 89283-24-9 5-Bromo-4-nitrothiophene-2-carboxylic acid|CS-0044235|89283-24-9 https://www.jk-sci.com/products/j5304880 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/246adc59703e48b09b327ce1203d895a.jpg?v=1776323805 Chlorotripyrrolidinophosphonium hexafluorophosphate | 133894-48-1 Chlorotripyrrolidinophosphonium hexafluorophosphate|04880|133894-48-1 https://www.jk-sci.com/products/s57c4x-16761 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4abed649cbe6e7213f17d166c8669e06.jpg?v=1776413772 Levodopa EP Impurity A | 27244-64-0 Levodopa EP Impurity A|C4X-16761|27244-64-0 https://www.jk-sci.com/products/ts246cs-0044485 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/821de248dea0926cf315acda26e4c15e.jpg?v=1776446440 Methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate | 910122-42-8 Methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate|CS-0044485|910122-42-8 https://www.jk-sci.com/products/j5304941 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eca45c669fd1f2ae2875277246fadbed.jpg?v=1776323889 (2S,4R)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid | 176486-63-8 (2S,4R)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid|04941|176486-63-8 https://www.jk-sci.com/products/j5304986 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/498cf3158e0d39c53d05613547ba649f.jpg?v=1776324011 Fmoc-L-indoline-2-carboxylic acid | 198560-38-2 Fmoc-L-indoline-2-carboxylic acid|04986|198560-38-2 https://www.jk-sci.com/products/j5304967 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2e3d56c264f9ec6d7aec7a09be71881.jpg?v=1776323961 Na-Boc-Nb-allyloxycarbonyl-L-2,3-diaminopropionic acid dicyclohexylammonium salt | 204197-28-4 Na-Boc-Nb-allyloxycarbonyl-L-2,3-diaminopropionic acid dicyclohexylammonium salt|04967|204197-28-4 https://www.jk-sci.com/products/ts246cs-0044749 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46a312c3d2ceee564c0183634c69df1d.jpg?v=1776446625 1H-1,2,3-Triazol-1-amine | 584-14-5 1H-1,2,3-Triazol-1-amine|CS-0044749|584-14-5 https://www.jk-sci.com/products/s57c4x-16763 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/583267_a5850874-fcfc-4ad4-a256-4157a9d4c15e.png?v=1774892774 Levodopa EP Impurity D | 5796-17-8 Levodopa EP Impurity D|C4X-16763|5796-17-8 https://www.jk-sci.com/products/ts246cs-0044903 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/739a0994d7577b79bf5c0b97d7c32323.jpg?v=1776446778 2-(4-Fluorophenyl)propan-2-amine hydrochloride | 1216563-60-8 2-(4-Fluorophenyl)propan-2-amine hydrochloride|CS-0044903|1216563-60-8 https://www.jk-sci.com/products/ts246cs-0045004 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/561321.png?v=1776446957 Methyl 4-iodo-3-methoxybenzoate | 35387-92-9 Methyl 4-iodo-3-methoxybenzoate|CS-0045004|35387-92-9 https://www.jk-sci.com/products/j5305001 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e16192da0e7fa7eb56664abdfddb6d5.jpg?v=1784619412 5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine | 76512-82-8 5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine|05001|76512-82-8 https://www.jk-sci.com/products/ts246cs-0045060 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/141104_4b60ab48-67cd-4184-800f-75db14151293.png?v=1776447059 Ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate | 82231-58-1 Ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate|CS-0045060|82231-58-1 https://www.jk-sci.com/products/j5305035 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f7c5209cf0b8f065a83b0a4bbf74735.jpg?v=1776324133 Fmoc-Freidinger's lactam | 145484-45-3 Fmoc-Freidinger's lactam|05035|145484-45-3 https://www.jk-sci.com/products/ts246cs-0045107 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5ac5ae575c1cb7eb6497df0207b5af3.jpg?v=1776447150 5-Chloro-1-methyl-1H-pyrazolo[3,4-c]pyridine | 1521237-92-2 5-Chloro-1-methyl-1H-pyrazolo[3,4-c]pyridine|CS-0045107|1521237-92-2 https://www.jk-sci.com/products/ts246cs-0045447 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72cc386c0e3d1edecb2c2fab0aaf4226.jpg?v=1776447274 Thietan-3-ol | 10304-16-2 Thietan-3-ol|CS-0045447|10304-16-2 https://www.jk-sci.com/products/ts246cs-0045585 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae5977608ae53a86492f8d292661fe35.jpg?v=1776447366 Methyl 5-chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylate | 70662-93-0 Methyl 5-chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylate|CS-0045585|70662-93-0 https://www.jk-sci.com/products/ts246cs-0044427 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f561bf56ad8a9a3ae40d91f37de25bff.jpg?v=1776446356 (S)-4-Ethyl-4-hydroxy-11-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione | 78287-26-0 (S)-4-Ethyl-4-hydroxy-11-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione|CS-0044427|78287-26-0 https://www.jk-sci.com/products/s57c4x-16769 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206939_99ce96a1-cdb2-455b-9868-b82dd30d6018.png?v=1775155071 Levodopa Impurity 9 | 300-48-1 Levodopa Impurity 9|C4X-16769|300-48-1 https://www.jk-sci.com/products/s57c4x-167718 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0044864 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dab170429e555280fe43d33f45099de.jpg?v=1776446701 3-Iodo-4-(trifluoromethyl)benzoic acid | 1034690-61-3 3-Iodo-4-(trifluoromethyl)benzoic acid|CS-0044864|1034690-61-3 https://www.jk-sci.com/products/s57c4x-167713 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c812e96c2633f1ad771e24edccf64c00.jpg?v=1776413795 Levonorgestrel EP Impurity M | 51087-61-7 Levonorgestrel EP Impurity M|C4X-167713|51087-61-7 https://www.jk-sci.com/products/j5305050 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6d841b92b8b6e9f7fca6cb8db7167ba.jpg?v=1776324174 Fmoc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one | 215190-27-5 Fmoc-3-carboxymethyl-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one|05050|215190-27-5 https://www.jk-sci.com/products/ts246cs-0045033 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/718af87558ea367bd36b720329577a8a.jpg?v=1776447009 7-Chloroisoquinolin-8-amine | 55766-90-0 7-Chloroisoquinolin-8-amine|CS-0045033|55766-90-0 https://www.jk-sci.com/products/s57c4x-167721 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6d65fb0c4200c24f2df6755e2a9276d.jpg?v=1776413815 Levonorgestrel EP Impurity V | 14009-70-2 Levonorgestrel EP Impurity V|C4X-167721|14009-70-2 https://www.jk-sci.com/products/ts246cs-0045318 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e5f63b9a995f3f5b2ea5c3b06faefb4.jpg?v=1776447203 (2-Amino-5-nitrophenyl)methanol | 77242-30-9 (2-Amino-5-nitrophenyl)methanol|CS-0045318|77242-30-9 https://www.jk-sci.com/products/j5305069 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c723a199ce0b59514be0c4febe19c5d0.jpg?v=1776324203 4-Benzyloxybenzaldehyde resin (1.5 - 2.5 mmol/g, 100 - 200 mesh) 4-Benzyloxybenzaldehyde resin (1.5 - 2.5 mmol/g, 100 - 200 mesh)|05069 https://www.jk-sci.com/products/ts246cs-0044943 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/410690_54bddadb-1922-49f9-998e-64204d3ad41a.png?v=1776446843 2-(1-(Hydroxymethyl)cyclopropyl)acetonitrile | 152922-71-9 2-(1-(Hydroxymethyl)cyclopropyl)acetonitrile|CS-0044943|152922-71-9 https://www.jk-sci.com/products/ts246cs-0044089 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b392ab85513bf20cf7912e093830a8be.jpg?v=1776446135 1-(3-Hydroxyazetidin-1-yl)ethanone | 118972-96-6 1-(3-Hydroxyazetidin-1-yl)ethanone|CS-0044089|118972-96-6 https://www.jk-sci.com/products/ts246cs-0044679 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afc1792d626658766307de4928997046.jpg?v=1776446570 1,5-Dibromo-2,4-diiodobenzene | 96843-23-1 1,5-Dibromo-2,4-diiodobenzene|CS-0044679|96843-23-1 https://www.jk-sci.com/products/ts246cs-0045081 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151a8850c0bac6637e97f1dae5e1f2b1.jpg?v=1776447106 4-Formyl-3-nitrobenzonitrile | 90178-78-2 4-Formyl-3-nitrobenzonitrile|CS-0045081|90178-78-2 https://www.jk-sci.com/products/j5305095 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/067ddea941cce9c23e973e4d9a78534e.jpg?v=1776324243 Boc-O-benzyl-L-serine N,O-dimethylhydroxamide | 115186-34-0 Boc-O-benzyl-L-serine N,O-dimethylhydroxamide|05095|115186-34-0 https://www.jk-sci.com/products/ts246cs-0038491 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0ad297f664e2e34df275c6235cdfe61.jpg?v=1776438401 tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate | 1160246-72-9 tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate|CS-0038491|1160246-72-9 https://www.jk-sci.com/products/ts246cs-0042578 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/565402_dca59163-39ab-40ab-8426-2d49a603355a.png?v=1776443692 1-(3-(Difluoromethoxy)phenyl)ethan-1-one | 101975-23-9 1-(3-(Difluoromethoxy)phenyl)ethan-1-one|CS-0042578|101975-23-9 https://www.jk-sci.com/products/j5305114 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419828b30d644fffcec5d3b2091484ee.jpg?v=1776324290 Fmoc-4-benzoyl-D-phenylalanine | 117666-97-4 Fmoc-4-benzoyl-D-phenylalanine|05114|117666-97-4 https://www.jk-sci.com/products/s57c4x-16774 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdc322f3e502960bebcde01dde096964.jpg?v=1776413828 Levonorgestrel EP Impurity D | 32419-58-2 Levonorgestrel EP Impurity D|C4X-16774|32419-58-2 https://www.jk-sci.com/products/s57c4x-16778 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0041521 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1068bc0480978b6d30b28cb013f76528.jpg?v=1776441965 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione | 77603-45-3 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione|CS-0041521|77603-45-3 https://www.jk-sci.com/products/j5305123 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7461ddd83aa35262d528df8b99e68c65.jpg?v=1776324320 Boc-O-benzyl-L-homoserine | 59408-74-1 Boc-O-benzyl-L-homoserine|05123|59408-74-1 https://www.jk-sci.com/products/ts246cs-0045636 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe51c2caa112a958fe60a0142f7c8464.jpg?v=1776447389 2-(Ethylsulfonyl)acetonitrile | 13654-62-1 2-(Ethylsulfonyl)acetonitrile|CS-0045636|13654-62-1 https://www.jk-sci.com/products/ts246cs-0043081 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff9f0d412675126a75e33a1cbdaa1b00.jpg?v=1776444791 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one | 27320-99-6 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0043081|27320-99-6 https://www.jk-sci.com/products/j5305135 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2dea3b0f96ed1fc0794e6dd7eab3b5a.jpg?v=1776324363 Boc-L-homoproline | 26250-84-0 Boc-L-homoproline|05135|26250-84-0 https://www.jk-sci.com/products/s57c4x-167827 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a800ef273238ba046b074c1e0a6aa7f7.jpg?v=1776413852 Levothyroxine Impurity 27 | 671235-41-9 Levothyroxine Impurity 27|C4X-167827|671235-41-9 https://www.jk-sci.com/products/ts246cs-0045635 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1aa518a641876bf62931f107c7e3fe88.jpg?v=1776447386 6-Methoxy-5-nitropyrimidin-4-amine | 73318-75-9 6-Methoxy-5-nitropyrimidin-4-amine|CS-0045635|73318-75-9 https://www.jk-sci.com/products/ts246cs-0045534 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7ce9e7a0d61b768b7f2e901c2a96969.jpg?v=1776447319 trans-Methyl 3-((tert-butoxycarbonyl)amino)cyclobutanecarboxylate | 1101173-77-6 trans-Methyl 3-((tert-butoxycarbonyl)amino)cyclobutanecarboxylate|CS-0045534|1101173-77-6 https://www.jk-sci.com/products/ts246cs-0045612 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26809bfa56fb290179771725e21eabd2.jpg?v=1776447377 2-Chloro-6-(trifluoromethyl)phenylboronic acid | 851756-52-0 2-Chloro-6-(trifluoromethyl)phenylboronic acid|CS-0045612|851756-52-0 https://www.jk-sci.com/products/s57c4x-16784 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130648_c7141c63-8a1b-49eb-a641-c3a26b663ea9.png?v=1774646495 Levothyroxine EP Impurity D | 67-30-1 Levothyroxine EP Impurity D|C4X-16784|67-30-1 https://www.jk-sci.com/products/s57c4x-167910 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20fc7744d495f05d3068d3d5946b1999.jpg?v=1776413865 Lidocaine EP Impurity J HCl | 1012864-23-1 Lidocaine EP Impurity J HCl|C4X-167910|1012864-23-1 https://www.jk-sci.com/products/ts246cs-0045645 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/962c12fc6ba480ad05417f3e33aef899.jpg?v=1776447397 5-Chloro-6-methylpyrimidin-4-amine | 13040-89-6 5-Chloro-6-methylpyrimidin-4-amine|CS-0045645|13040-89-6 https://www.jk-sci.com/products/s57c4x-16793 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5305181 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3eaa81f98f9e294d08df6a4ad7c9218.jpg?v=1776324422 Boc-L-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 Boc-L-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Merrifield resin (0.25 - 1.0 meq/g, 100 - 200|05181 https://www.jk-sci.com/products/ts246cs-0045658 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0031be611cf14b250e04c69153e2afc.jpg?v=1776447406 4-Hydrazinyl-6-(methylthio)pyrimidine | 99469-77-9 4-Hydrazinyl-6-(methylthio)pyrimidine|CS-0045658|99469-77-9 https://www.jk-sci.com/products/s57c4x-167945 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482612_6aff2c81-d435-4f69-abcb-740f0ca04981.png?v=1774662087 Lidocaine Impurity 45 | 89-58-7 Lidocaine Impurity 45|C4X-167945|89-58-7 https://www.jk-sci.com/products/ts246cs-0045705 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd2955e7e8d1b3397ba4db903b4949cb.jpg?v=1776447443 2,4-Dichloro-5-(methylthio)pyrimidine | 7401-98-1 2,4-Dichloro-5-(methylthio)pyrimidine|CS-0045705|7401-98-1 https://www.jk-sci.com/products/ts246cs-0045702 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b2ba284303bd679d877c0c848c0efc0.jpg?v=1776447437 4-Chloro-5,6-dimethoxypyrimidine | 5193-88-4 4-Chloro-5,6-dimethoxypyrimidine|CS-0045702|5193-88-4 https://www.jk-sci.com/products/s57c4x-167973 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e4b7401d-cf3f-4953-bec7-fba695f16e16.png?v=1774725035 Lidocaine Impurity 73 Lidocaine Impurity 73|C4X-167973 https://www.jk-sci.com/products/ts246cs-0045682 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104221.png?v=1776447414 5-Iodopyrimidin-4-ol | 4349-07-9 5-Iodopyrimidin-4-ol|CS-0045682|4349-07-9 https://www.jk-sci.com/products/j5305208 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/556bc77c429307b65ae6438c5fd1b083.jpg?v=1776324455 Boc-Phe-Leu-OH | 33014-68-5 Boc-Phe-Leu-OH|05208|33014-68-5 https://www.jk-sci.com/products/ts246cs-0045706 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586babf4ec805c29ca2ea6cfb9a64a8e.jpg?v=1776447446 4-Chloro-6-methoxy-5-nitropyrimidine | 52854-14-5 4-Chloro-6-methoxy-5-nitropyrimidine|CS-0045706|52854-14-5 https://www.jk-sci.com/products/ts246cs-0045709 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de86457299523f61359f660a35065867.jpg?v=1776447450 2-Chloro-4-ethyl-5-fluoropyrimidine | 137234-90-3 2-Chloro-4-ethyl-5-fluoropyrimidine|CS-0045709|137234-90-3 https://www.jk-sci.com/products/ts246cs-0045712 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b359d6a65e8a2d7f4a5ccd7365fa04b.jpg?v=1776447455 4-Chloro-2-phenylpyrimidine | 14790-42-2 4-Chloro-2-phenylpyrimidine|CS-0045712|14790-42-2 https://www.jk-sci.com/products/ts246cs-0045765 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393790.png?v=1776447514 5-Chloro-6-methylpyrimidin-4(3H)-one | 7752-72-9 5-Chloro-6-methylpyrimidin-4(3H)-one|CS-0045765|7752-72-9 https://www.jk-sci.com/products/s57c4x-168310 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab2f804ba8cc4ea3ead085d2e89ea7fc.jpg?v=1776413903 Losartan EP Impurity J | 1006062-27-6 Losartan EP Impurity J|C4X-168310|1006062-27-6 https://www.jk-sci.com/products/ts246cs-0045719 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc79b8a6bcd6e814398e8d0e2c89a407.jpg?v=1776447465 2-Chloro-4-hydrazinyl-5-methoxypyrimidine | 98021-95-5 2-Chloro-4-hydrazinyl-5-methoxypyrimidine|CS-0045719|98021-95-5 https://www.jk-sci.com/products/ts246cs-0045711 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a13036a00b9c39c7b8fd3d44fd2c4c2.jpg?v=1776447453 2-Amino-4,6-dichloropyrimidine-5-carbonitrile | 1277179-33-5 2-Amino-4,6-dichloropyrimidine-5-carbonitrile|CS-0045711|1277179-33-5 https://www.jk-sci.com/products/s57c4x-168230 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d83de8944263a1c56e52222966f2f721_104d6ff6-0d7e-4bba-8135-233e1c66f3fd.jpg?v=1776413900 Lopinavir Related Compound C | 2125942-48-3 Lopinavir Related Compound C|C4X-168230|2125942-48-3 https://www.jk-sci.com/products/ts246cs-0045751 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3674a85d50e3aeb9662712aa000527d.jpg?v=1776447496 2,4-Diaminopyrimidine-5-carbonitrile | 16462-27-4 2,4-Diaminopyrimidine-5-carbonitrile|CS-0045751|16462-27-4 https://www.jk-sci.com/products/ts246cs-0045722 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dba7bb01e553900aa11ab5fa7354a77.jpg?v=1776447468 2-Chloro-5-fluoro-4-methoxy-6-methylpyrimidine | 1192479-35-8 2-Chloro-5-fluoro-4-methoxy-6-methylpyrimidine|CS-0045722|1192479-35-8 https://www.jk-sci.com/products/s57c4x-168313 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40270c00b4dcf3fe4399cf69bfa7180b.jpg?v=1776413906 Losartan EP Impurity M | 230971-72-9 Losartan EP Impurity M|C4X-168313|230971-72-9 https://www.jk-sci.com/products/j5305285 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43ca19b551006b86c7fe36fb11225b96.jpg?v=1776324515 7-Methoxycoumarin-4-acetic acid | 62935-72-2 7-Methoxycoumarin-4-acetic acid|05285|62935-72-2 https://www.jk-sci.com/products/s57c4x-168320 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5305305 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d1b2b707c8ecac3b70eb70580b835c1.jpg?v=1776324544 Na-Boc-D-histidine | 50654-94-9 Na-Boc-D-histidine|05305|50654-94-9 https://www.jk-sci.com/products/ts246cs-0045792 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/704eb555889213f953f2e3c9e6f9f09a.jpg?v=1776447556 5-Fluoro-6-hydroxy-2-methyl-4(1H)-pyrimidinone | 1598-63-6 5-Fluoro-6-hydroxy-2-methyl-4(1H)-pyrimidinone|CS-0045792|1598-63-6 https://www.jk-sci.com/products/j5305318 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c7d764ba65796adbb5b3bc70f1b6303.jpg?v=1776324567 Boc-O-tert-butyl-L-serine | 13734-38-8 Boc-O-tert-butyl-L-serine|05318|13734-38-8 https://www.jk-sci.com/products/ts246cs-0045814 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1054bb2a88b71abb3439a7bcfdf5c6b6.jpg?v=1776447590 Ethyl 2-amino-4-chloropyrimidine-5-carboxylate | 1240597-30-1 Ethyl 2-amino-4-chloropyrimidine-5-carboxylate|CS-0045814|1240597-30-1 https://www.jk-sci.com/products/s57c4x-168323 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/283e31a0cdfb20c875a68006166a68ab.jpg?v=1776413912 Losartan Impurity 23 | 193140-43-1 Losartan Impurity 23|C4X-168323|193140-43-1 https://www.jk-sci.com/products/s57c4x-16871 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/886f55293eaaa8f50b42a7cea66bac1f_25603efd-7df6-4011-ab24-73f375a8d4a3.jpg?v=1776413928 Mebeverine Impurity 1 | 93-07-2 Mebeverine Impurity 1|C4X-16871|93-07-2 https://www.jk-sci.com/products/s57c4x-168350 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d5399fd-751c-4440-a6c9-64ae22f97fb1.png?v=1774741373 Losartan Impurity 50 Losartan Impurity 50|C4X-168350 https://www.jk-sci.com/products/s57c4x-16839 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60bb6bbe2fb4624c4e7426602e90aaba.jpg?v=1776413922 Losartan EP Impurity I | 1006062-28-7 Losartan EP Impurity I|C4X-16839|1006062-28-7 https://www.jk-sci.com/products/s57c4x-168333 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a89c4c04-743c-4d5f-a1de-5b820e0d1a9f.png?v=1775140511 Losartan Impurity 33 Losartan Impurity 33|C4X-168333 https://www.jk-sci.com/products/ts246cs-0046142 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c19ffde192ac173f9cd985cc12686ba4.jpg?v=1776447767 Cl-C6-PEG4-O-CH2COOH | 1799506-30-1 Cl-C6-PEG4-O-CH2COOH|CS-0046142|1799506-30-1 https://www.jk-sci.com/products/j5305340 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3f648101aaaefaa56aa38b7c4f7e549.jpg?v=1776324612 Fmoc-2-aminobutyric acid 4-alkoxybenzyl alcohol resin Fmoc-2-aminobutyric acid 4-alkoxybenzyl alcohol resin|05340 https://www.jk-sci.com/products/ts246cs-0045846 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/637a46c6dfb74ab2359519ba738b81d0.jpg?v=1776447604 Methyl 5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate | 6311-73-5 Methyl 5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate|CS-0045846|6311-73-5 https://www.jk-sci.com/products/ts246cs-0045965 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3379d1746b096dedb67aa94e0ac53f54.jpg?v=1776447710 N2,N2-Dimethyl-5-nitropyrimidine-2,4-diamine | 5096-84-4 N2,N2-Dimethyl-5-nitropyrimidine-2,4-diamine|CS-0045965|5096-84-4 https://www.jk-sci.com/products/ts246cs-0046186 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7dd0f41d0cdff258e49eea5d3f91b17.jpg?v=1776447797 (R)-1-(tert-Butoxycarbonyl)-4-oxopiperidine-2-carboxylic acid | 1212176-33-4 (R)-1-(tert-Butoxycarbonyl)-4-oxopiperidine-2-carboxylic acid|CS-0046186|1212176-33-4 https://www.jk-sci.com/products/s57c4x-16842 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423562.png?v=1774711452 Lovastatin EP Impurity B | 75225-50-2 Lovastatin EP Impurity B|C4X-16842|75225-50-2 https://www.jk-sci.com/products/ts246cs-0046028 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263695_6052b4f7-fcf8-424a-8a0e-7d6972c798f5.png?v=1776447724 4-Chloro-1,3-dioxolan-2-one | 3967-54-2 4-Chloro-1,3-dioxolan-2-one|CS-0046028|3967-54-2 https://www.jk-sci.com/products/j5305417 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/382ea79bc172d3e568d3526b52883c4b.jpg?v=1776324743 Na-Acetyl-Nw-(2,2,5,7,8,-pentamethylchroman-6-sulfonyl)-L-arginine | 163277-77-8 Na-Acetyl-Nw-(2,2,5,7,8,-pentamethylchroman-6-sulfonyl)-L-arginine|05417|163277-77-8 https://www.jk-sci.com/products/s57c4x-16905 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9da956924abc4512e58d7cdf0ad24787.jpg?v=1776413931 Meloxicam EP Impurity C | 1262333-25-4 Meloxicam EP Impurity C|C4X-16905|1262333-25-4 https://www.jk-sci.com/products/ts246cs-0045873 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5c390f742434cafeb15a6858b9db821.jpg?v=1776447642 5-Iodo-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine | 862729-13-3 5-Iodo-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine|CS-0045873|862729-13-3 https://www.jk-sci.com/products/s57c4x-169012 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/j5305349 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aecbde0b649adce29602b9187ca14ea0.jpg?v=1776324636 Fmoc-D-threonine | 118609-38-4 Fmoc-D-threonine|05349|118609-38-4 https://www.jk-sci.com/products/s57c4x-168325 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1985a2f-79b4-49ac-b1b8-09d1209c73ca.png?v=1774661148 Losartan Impurity 25 Losartan Impurity 25|C4X-168325 https://www.jk-sci.com/products/j5305363 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fe55d5111181b5698e8ee7e3d4d573a.jpg?v=1776324656 Na-Acetyl-L-Histidine·H2O | 39145-52-3 Na-Acetyl-L-Histidine·H2O|05363|39145-52-3 https://www.jk-sci.com/products/j5305411 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52a39abf555d9c33d670e9703cbd8869.jpg?v=1776324735 2,6-Diaminopimelic acid | 583-93-7 2,6-Diaminopimelic acid|05411|583-93-7 https://www.jk-sci.com/products/s57c4x-16836 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4f4c25ddf58f89c3308c26a47639b42.jpg?v=1776413919 Losartan Isopropyl Ether | 1332713-64-0 Losartan Isopropyl Ether|C4X-16836|1332713-64-0 https://www.jk-sci.com/products/ts246cs-0045942 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/793113.png?v=1776447701 (Tetrahydro-2H-pyran-4-yl)methyl 4-methylbenzenesulfonate | 101691-65-0 (Tetrahydro-2H-pyran-4-yl)methyl 4-methylbenzenesulfonate|CS-0045942|101691-65-0 https://www.jk-sci.com/products/ts246cs-0045913 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff1bef14326eca664100425544dd83a5.jpg?v=1776447677 5-Nitropyridine-2,4-diamine | 2586-99-4 5-Nitropyridine-2,4-diamine|CS-0045913|2586-99-4 https://www.jk-sci.com/products/ts246cs-0045932 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be77e3022807ee9a9d9300f8e3361c96.jpg?v=1776447692 5-Bromo-4-methyl-2-(methylthio)pyrimidine | 1294446-69-7 5-Bromo-4-methyl-2-(methylthio)pyrimidine|CS-0045932|1294446-69-7 https://www.jk-sci.com/products/j5305390 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93ec455f628721c1734f3009c7ad9ce4.jpg?v=1776324706 Boc-S-methyl-L-penicillamine dicyclohexylammonium salt | 112898-23-4 Boc-S-methyl-L-penicillamine dicyclohexylammonium salt|05390|112898-23-4 https://www.jk-sci.com/products/ts246cs-0046195 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acff1665b5dfb1ca39bbf2320d042ce9.jpg?v=1776447811 H-D-Cys(Trt)-OH | 25840-82-8 H-D-Cys(Trt)-OH|CS-0046195|25840-82-8 https://www.jk-sci.com/products/s57c4x-16909 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16907 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134485.png?v=1775060762 Meloxicam Impurity 7 | 632-25-7 Meloxicam Impurity 7|C4X-16907|632-25-7 https://www.jk-sci.com/products/j5305451 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4e3f0b5e32d0370002fbc687cbee00e.jpg?v=1776324770 Boc-L-allo-isoleucine | 35264-07-4 Boc-L-allo-isoleucine|05451|35264-07-4 https://www.jk-sci.com/products/ts246cs-0046206 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca3bd149b197bd747b870941919e61a6.jpg?v=1776447829 3-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine | 1206641-26-0 3-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine|CS-0046206|1206641-26-0 https://www.jk-sci.com/products/s57c4x-16921 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35ac30513522012f3292238e5ac27c7d.jpg?v=1776413940 Mesna EP Impurity B | 1391053-66-9 Mesna EP Impurity B|C4X-16921|1391053-66-9 https://www.jk-sci.com/products/ts246cs-0045798 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566dc71bcafdf9e11d788fbac554b4ff.jpg?v=1776447564 2,5-Diaminopyrimidin-4(3H)-one | 77994-12-8 2,5-Diaminopyrimidin-4(3H)-one|CS-0045798|77994-12-8 https://www.jk-sci.com/products/ts246cs-0046235 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317954.png?v=1776447879 4-(Methylsulfonyl)benzyl Alcohol | 22821-77-8 4-(Methylsulfonyl)benzyl Alcohol|CS-0046235|22821-77-8 https://www.jk-sci.com/products/ts246cs-0046259 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcd0b4f45980a2dbee526199402c5a9c.jpg?v=1776447915 Methyl 5-chlorothiazole-4-carboxylate | 1784463-68-8 Methyl 5-chlorothiazole-4-carboxylate|CS-0046259|1784463-68-8 https://www.jk-sci.com/products/ts246cs-0046211 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41d972597b225a6670e71d607a4d7df.jpg?v=1776447837 1-Methyl-1H-indazole-6-carboxylic acid | 1031417-77-2 1-Methyl-1H-indazole-6-carboxylic acid|CS-0046211|1031417-77-2 https://www.jk-sci.com/products/s57c4x-16925 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385575.png?v=1774646499 Mesna EP Impurity A | 25985-57-3 Mesna EP Impurity A|C4X-16925|25985-57-3 https://www.jk-sci.com/products/ts246cs-0046275 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223832.png?v=1776447932 4-Amino-3-nitrobenzenesulfonamide | 2360-19-2 4-Amino-3-nitrobenzenesulfonamide|CS-0046275|2360-19-2 https://www.jk-sci.com/products/s57c4x-16943 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504048.png?v=1775076387 Prednisone EP Impurity K | 7738-93-4 Prednisone EP Impurity K|C4X-16943|7738-93-4 https://www.jk-sci.com/products/ts246cs-0045852 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127055.png?v=1776447613 4-Amino-2-(methylthio)pyrimidine-5-carbonitrile | 770-30-9 4-Amino-2-(methylthio)pyrimidine-5-carbonitrile|CS-0045852|770-30-9 https://www.jk-sci.com/products/ts246cs-0045943 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5eb851b0cb261f20116764680737edde.jpg?v=1776447704 Ethyl 2-methylpyrimidine-5-carboxylate | 2134-38-5 Ethyl 2-methylpyrimidine-5-carboxylate|CS-0045943|2134-38-5 https://www.jk-sci.com/products/ts246cs-0045918 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2034067c8af8712490f31787b8c93a17.jpg?v=1776447683 Ethyl 2,4-dimethylpyrimidine-5-carboxylate | 2226-86-0 Ethyl 2,4-dimethylpyrimidine-5-carboxylate|CS-0045918|2226-86-0 https://www.jk-sci.com/products/j5305455 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2021d3f07a7457118a4f388f3c7bc5f9.jpg?v=1776324784 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sufonyl)-L-arginine | 200124-22-7 Na-Boc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sufonyl)-L-arginine|05455|200124-22-7 https://www.jk-sci.com/products/j5305466 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffef485a859795317bf58cbc6721cab1.jpg?v=1776324807 Boc-S-ethyl-L-cysteine | 16947-82-3 Boc-S-ethyl-L-cysteine|05466|16947-82-3 https://www.jk-sci.com/products/j5305475 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe520d0184ac9ef43694f0fa72b21230.jpg?v=1776324832 Na-Boc-Ng-xanthyl-D-asparagine | 200192-48-9 Na-Boc-Ng-xanthyl-D-asparagine|05475|200192-48-9 https://www.jk-sci.com/products/ts246cs-0046053 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521540.png?v=1776447732 (S)-2-((Tert-butoxycarbonyl)amino)-3-(dimethylamino)propanoic acid | 94778-71-9 (S)-2-((Tert-butoxycarbonyl)amino)-3-(dimethylamino)propanoic acid|CS-0046053|94778-71-9 https://www.jk-sci.com/products/ts246cs-0046192 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/426134.png?v=1776447805 5-Amino-2-nitrobenzoic acid | 13280-60-9 5-Amino-2-nitrobenzoic acid|CS-0046192|13280-60-9 https://www.jk-sci.com/products/j5305484 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72668268dde83345aa736d63948057e6.jpg?v=1776324860 Boc-S-trityl-D-cysteine | 87494-13-1 Boc-S-trityl-D-cysteine|05484|87494-13-1 https://www.jk-sci.com/products/ts246cs-0046233 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/724d1480a4ca979b3a153b9c9c858329.jpg?v=1776447876 2-Pyridone-6-carboxaldehyde | 358751-77-6 2-Pyridone-6-carboxaldehyde|CS-0046233|358751-77-6 https://www.jk-sci.com/products/j5305480 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9a0d77a1d8059099472efa3c42288a5.jpg?v=1776324847 Boc-D-aspartic acid a-tert-butyl ester | 77004-75-2 Boc-D-aspartic acid a-tert-butyl ester|05480|77004-75-2 https://www.jk-sci.com/products/j5305486 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1f70e72643c6b925708e2ec4d9f2626.jpg?v=1776324865 Boc-D-glutamic acid g-cyclohexyl ester | 133464-27-4 Boc-D-glutamic acid g-cyclohexyl ester|05486|133464-27-4 https://www.jk-sci.com/products/j5305500 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36271eba541eb3ab09edcd4c3be441fa.jpg?v=1776324904 Boc-D-isoleucine | 55721-65-8 Boc-D-isoleucine|05500|55721-65-8 https://www.jk-sci.com/products/ts246cs-0046274 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6954046f9ea6000a304439311aad4bc1.jpg?v=1776447930 2-Nitro-4-(trifluoromethoxy)benzoic acid | 142494-70-0 2-Nitro-4-(trifluoromethoxy)benzoic acid|CS-0046274|142494-70-0 https://www.jk-sci.com/products/j5305519 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/088b7c028823d7c55a7eb691c2d6828c.jpg?v=1776324952 Boc-O-tert-butyl-D-serine dicyclohexylammonium salt | 248921-67-7 Boc-O-tert-butyl-D-serine dicyclohexylammonium salt|05519|248921-67-7 https://www.jk-sci.com/products/j5305601 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7720d8e795ff5fe8b0002d128a29ce94.jpg?v=1776325133 Boc-L-serine tert-butyl ester | 7738-22-9 Boc-L-serine tert-butyl ester|05601|7738-22-9 https://www.jk-sci.com/products/j5305543 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ab6339462ce0bfe7a098ecb1cf5bf36.jpg?v=1776325003 Boc-Nw-(nitro)-L-homoarginine | 28968-64-1 Boc-Nw-(nitro)-L-homoarginine|05543|28968-64-1 https://www.jk-sci.com/products/j5305511 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0134f9ea7a935ff3ec76e3db95c0f3eb.jpg?v=1776324934 Na-Boc-Nd-Fmoc-D-ornithine | 163336-15-0 Na-Boc-Nd-Fmoc-D-ornithine|05511|163336-15-0 https://www.jk-sci.com/products/ts246cs-0046535 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7aea2ea719881d1855e591ad4c446d6.jpg?v=1776448005 4H-Benzo[d][1,3]oxazin-4-one | 19555-60-3 4H-Benzo[d][1,3]oxazin-4-one|CS-0046535|19555-60-3 https://www.jk-sci.com/products/ts246cs-0046426 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c26c76762e032add2a8c3913bb81824.jpg?v=1776447988 3-Methoxy-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | 1911653-28-5 3-Methoxy-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole|CS-0046426|1911653-28-5 https://www.jk-sci.com/products/ts246cs-0046329 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ba0645fdd90c3884bcb9016abdf1a5e.jpg?v=1776447959 5-Bromo-1H-indazol-7-amine | 316810-86-3 5-Bromo-1H-indazol-7-amine|CS-0046329|316810-86-3 https://www.jk-sci.com/products/j5305522 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b60cc7a19e5a221b979069a97c846eb.jpg?v=1776324959 Boc-DL-glutamic acid g-benzyl ester | 117997-81-6 Boc-DL-glutamic acid g-benzyl ester|05522|117997-81-6 https://www.jk-sci.com/products/s57c4x-1695 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-16961 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4c15894760753bda4f492da8697941a.jpg?v=1776413945 LCZ-696 Impurity 2 HCl | 1038924-71-8 LCZ-696 Impurity 2 HCl|C4X-16961|1038924-71-8 https://www.jk-sci.com/products/j5305566 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be77662c2676635fdd9cf2d5c8bea21.jpg?v=1776325050 Na-Boc-Na-Methyl-D-phenylalanine | 85466-66-6 Na-Boc-Na-Methyl-D-phenylalanine|05566|85466-66-6 https://www.jk-sci.com/products/j5305532 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ae9ec0d30337f0bdae6e185d972cdc9.jpg?v=1776324981 Boc-L-glutamic acid g-methyl ester dicyclohexylammonium salt | 14406-17-8 Boc-L-glutamic acid g-methyl ester dicyclohexylammonium salt|05532|14406-17-8 https://www.jk-sci.com/products/j5305595 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29bd1b0dbbef42bb9a53c676855771a6.jpg?v=1776325114 Boc-Pro-Pro-OH | 15401-08-8 Boc-Pro-Pro-OH|05595|15401-08-8 https://www.jk-sci.com/products/j5305578 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ada80dbc76c396de9aeaa1c62dc403f.jpg?v=1776325081 Boc-N-methyl-L-tyrosine dicyclohexylammonium salt | 95105-25-2 Boc-N-methyl-L-tyrosine dicyclohexylammonium salt|05578|95105-25-2 https://www.jk-sci.com/products/s57c4x-169616 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cab41e78d6a3c8bc0b0c1bd914747395.jpg?v=1776413951 LCZ-696 Impurity 16 | 1639970-62-9 LCZ-696 Impurity 16|C4X-169616|1639970-62-9 https://www.jk-sci.com/products/j5305570 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afe81f4789f8ed65d841174aac0744c2.jpg?v=1776325062 Na-Boc-Na-methyl-Ne-Z-L-lysine dicyclohexylammonium salt | 201002-18-8 Na-Boc-Na-methyl-Ne-Z-L-lysine dicyclohexylammonium salt|05570|201002-18-8 https://www.jk-sci.com/products/ts246cs-0046661 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aca59110506370b8c8754d07980cc55c.jpg?v=1776448024 tert-Butyl octahydro-1H-pyrrolo[2,3-c]pyridine-6-carboxylate | 1196147-27-9 tert-Butyl octahydro-1H-pyrrolo[2,3-c]pyridine-6-carboxylate|CS-0046661|1196147-27-9 https://www.jk-sci.com/products/j5305585 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13b5ce0d62113dea35339013a550939.jpg?v=1776325095 Boc-4-iodo-DL-phenylalanine | 103882-09-3 Boc-4-iodo-DL-phenylalanine|05585|103882-09-3 https://www.jk-sci.com/products/s57c4x-169618 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46758333d9893440fa6965f989164768.jpg?v=1776413959 LCZ-696 Impurity 18(S,R) | 1012341-54-6 LCZ-696 Impurity 18(S,R)|C4X-169618|1012341-54-6 https://www.jk-sci.com/products/j5305581 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c08f00547d18f720efbf11ad96199a6.jpg?v=1776325088 Boc-4-azido-L-phenylalanine | 33173-55-6 Boc-4-azido-L-phenylalanine|05581|33173-55-6 https://www.jk-sci.com/products/s57c4x-16962 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/422171f9c5bef216991a34853776015d.jpg?v=1776413964 LCZ-696 Impurity 3 | 149709-62-6 LCZ-696 Impurity 3|C4X-16962|149709-62-6 https://www.jk-sci.com/products/s57c4x-169620 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df35b495-b100-4155-814b-13232edd3024.png?v=1775069454 LCZ-696 Impurity 20 LCZ-696 Impurity 20|C4X-169620 https://www.jk-sci.com/products/j5305609 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65991b146e82bd6701b795d39cb18e38.jpg?v=1776325153 Boc-b-tert-butyl-L-alanine | 79777-82-5 Boc-b-tert-butyl-L-alanine|05609|79777-82-5 https://www.jk-sci.com/products/s57c4x-169627 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a09954a6-3558-47f7-9b5d-a8f1f65fa8a0.png?v=1774669835 LCZ-696 Impurity 27 LCZ-696 Impurity 27|C4X-169627 https://www.jk-sci.com/products/j5305622 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7a29fe76079dc5489c8fb67d1d0b386.jpg?v=1776325183 Benzoyl-L-aspartic acid a- methyl ester | 82933-21-9 Benzoyl-L-aspartic acid a- methyl ester|05622|82933-21-9 https://www.jk-sci.com/products/ts246cs-0046683 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22a743eb4d9b35bf8b12b16106867418.jpg?v=1776448036 1-(4-Amino-3-methoxyphenyl)-N,N-dimethylpiperidin-4-amine | 1089279-91-3 1-(4-Amino-3-methoxyphenyl)-N,N-dimethylpiperidin-4-amine|CS-0046683|1089279-91-3 https://www.jk-sci.com/products/j5305637 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/910af432e3ae4034819799fcdc785876.jpg?v=1776325207 Benzyl glycine hydrochloride | 7689-50-1 Benzyl glycine hydrochloride|05637|7689-50-1 https://www.jk-sci.com/products/ts246cs-0046768 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521868_ff04cc28-452a-4fac-b43b-a897205cc984.png?v=1776448064 N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-((5-(dimethylamino)naphthalen-1-yl)sulfonyl)-L-lysine | 118584-90-0 N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-((5-(dimethylamino)naphthalen-1-yl)sulfonyl)-L-lysine|CS-0046768|118584-90-0 https://www.jk-sci.com/products/s57c4x-169657 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f41490b28a44db01e88eb1fa43ebf15b_a0e4b55d-fc68-4368-a432-ee1976b7eb2f.jpg?v=1776413985 LCZ-696 Impurity 57 | 149709-58-0 LCZ-696 Impurity 57|C4X-169657|149709-58-0 https://www.jk-sci.com/products/ts246cs-0046808 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4af7decc70aa6e3be926aa4d578ca46.jpg?v=1776448086 3-(Aminomethyl)-4,6-dimethyl-1,2-dihydropyridin-2-one hydrochloride | 1173081-96-3 3-(Aminomethyl)-4,6-dimethyl-1,2-dihydropyridin-2-one hydrochloride|CS-0046808|1173081-96-3 https://www.jk-sci.com/products/s57c4x-169634 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9d2bcaa-8c7e-4166-96ca-abaf72678a7d.png?v=1774891585 LCZ-696 Impurity 34 LCZ-696 Impurity 34|C4X-169634 https://www.jk-sci.com/products/s57c4x-16963 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1aaa43c0238329c713b4e562ef51f5c.jpg?v=1776413967 LCZ-696 Impurity 4 | 1038924-97-8 LCZ-696 Impurity 4|C4X-16963|1038924-97-8 https://www.jk-sci.com/products/ts246cs-0046824 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c997db9d3429c68249825964f0f5dbde.jpg?v=1776448111 6-Bromoquinoline-8-carboxylic acid | 64507-38-6 6-Bromoquinoline-8-carboxylic acid|CS-0046824|64507-38-6 https://www.jk-sci.com/products/s57c4x-16964 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e64d305b2686b66a074ce4b08723c6d_a1fe9650-70c9-4c54-ba57-3c4060147555.jpg?v=1776413973 LCZ-696 Impurity 5 | 1038924-70-7 LCZ-696 Impurity 5|C4X-16964|1038924-70-7 https://www.jk-sci.com/products/ts246cs-0046839 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313545.png?v=1776448122 7-Oxooctanoic acid | 14112-98-2 7-Oxooctanoic acid|CS-0046839|14112-98-2 https://www.jk-sci.com/products/j5305643 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a6525de2c2c5ecd973e74569908beb8.jpg?v=1776325220 Benzyl-O-benzyl-serine | 201209-83-8 Benzyl-O-benzyl-serine|05643|201209-83-8 https://www.jk-sci.com/products/s57c4x-169642 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/s57c4x-169650 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0817753dbadcefe4685da682680f5501.jpg?v=1776413979 LCZ-696 Impurity 50 | 149709-60-4 LCZ-696 Impurity 50|C4X-169650|149709-60-4 https://www.jk-sci.com/products/ts246cs-0046872 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411845.png?v=1776448144 6-Fluoroquinolin-2(1H)-one | 22614-75-1 6-Fluoroquinolin-2(1H)-one|CS-0046872|22614-75-1 https://www.jk-sci.com/products/s57c4x-16966 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c809d62e-167d-48b8-b5eb-4654d4209302.png?v=1774967093 LCZ-696 Impurity 7 calcium salt LCZ-696 Impurity 7 calcium salt|C4X-16966 https://www.jk-sci.com/products/j5305688 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc35cfa351853730718520a9d214d557.jpg?v=1776325286 Fmoc-D-aspartic acid b-2-phenylisopropyl ester | 214852-39-8 Fmoc-D-aspartic acid b-2-phenylisopropyl ester|05688|214852-39-8 https://www.jk-sci.com/products/s57c4x-169664 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31672eb152e974d507f3316021ea12c2.jpg?v=1776413991 LCZ-696 Impurity 64 | 2751722-77-5 LCZ-696 Impurity 64|C4X-169664|2751722-77-5 https://www.jk-sci.com/products/j5305676 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80ff6f235e97d9c3213858519a2de811.jpg?v=1776325259 Fmoc-L-aspartic acid b-2-phenylisopropyl ester | 200336-86-3 Fmoc-L-aspartic acid b-2-phenylisopropyl ester|05676|200336-86-3 https://www.jk-sci.com/products/ts246cs-0046900 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4767794cb893f31073e5468de61bfacb.jpg?v=1776448161 Diethyl 2,2'-oxydiacetate | 6634-17-9 Diethyl 2,2'-oxydiacetate|CS-0046900|6634-17-9 https://www.jk-sci.com/products/j5302706 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15fee74f354895a9ba232d328a5b2ca5.jpg?v=1776319859 Boc-S-benzyl-L-homocysteine | 16947-99-2 Boc-S-benzyl-L-homocysteine|02706|16947-99-2 https://www.jk-sci.com/products/ts246cs-0046965 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca23d657ff81db2d951b95fe6d59695e.jpg?v=1776448222 3-Chloro-5-iodopyridin-2-amine | 952901-62-1 3-Chloro-5-iodopyridin-2-amine|CS-0046965|952901-62-1 https://www.jk-sci.com/products/ts246cs-0046943 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9157fa58ac9020b3c127d4b2e821a0cc.jpg?v=1776448207 5-Bromo-6-chloro-2,3-dihydro-1H-indol-2-one | 1153885-37-0 5-Bromo-6-chloro-2,3-dihydro-1H-indol-2-one|CS-0046943|1153885-37-0 https://www.jk-sci.com/products/ts246cs-0046975 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e89e80af9a9f0835ebc8c14d3f1c862.jpg?v=1776448243 3-Bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid | 500011-86-9 3-Bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid|CS-0046975|500011-86-9 https://www.jk-sci.com/products/ts246cs-0047004 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15fe89f1a4d9dd3555d93f1c8f532e58.jpg?v=1776448284 Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate | 67625-36-9 Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate|CS-0047004|67625-36-9 https://www.jk-sci.com/products/ts246cs-0046980 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566398.png?v=1776448252 3-Phenoxypropan-1-amine | 7617-76-7 3-Phenoxypropan-1-amine|CS-0046980|7617-76-7 https://www.jk-sci.com/products/j5304015 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46e717cafc33657802a1be8b9406eaf0.jpg?v=1776322421 Boc-L-phenylglycine N-hydroxysuccinimide ester | 201152-47-8 Boc-L-phenylglycine N-hydroxysuccinimide ester|04015|201152-47-8 https://www.jk-sci.com/products/ts246cs-0047006 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/792be85f1540f37405f940d84acb52be.jpg?v=1776448290 rel-(3aR,6aS)-Octahydrocyclopenta[c]pyrrole hydrochloride | 926276-10-0 rel-(3aR,6aS)-Octahydrocyclopenta[c]pyrrole hydrochloride|CS-0047006|926276-10-0 https://www.jk-sci.com/products/j5304332 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c360a3554d1c5e8774ee503995252d.jpg?v=1776323167 Acetyl-L-alanine methyl amide | 19701-83-8 Acetyl-L-alanine methyl amide|04332|19701-83-8 https://www.jk-sci.com/products/j5304569 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6b70cb277231d7c26a18823af5b402a.jpg?v=1776323551 Gly-Trp-OH | 2390-74-1 Gly-Trp-OH|04569|2390-74-1 https://www.jk-sci.com/products/ts246cs-0047016 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9d1e27a66b270dc731d68fb996feffa.jpg?v=1776448296 4-(4-Hydroxypiperidin-1-yl)benzonitrile | 79421-43-5 4-(4-Hydroxypiperidin-1-yl)benzonitrile|CS-0047016|79421-43-5 https://www.jk-sci.com/products/s57c4x-169692 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_427c89d8-52c5-4907-aab2-f49ef4c6e520.png?v=1774886880 LCZ-696 Impurity 92 LCZ-696 Impurity 92|C4X-169692 https://www.jk-sci.com/products/s57c4x-16967 2026-07-21T11:19:53-07:00 daily https://www.jk-sci.com/products/ts246cs-0047053 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de4ddd59d18ee8c3435271d551b34bf1.jpg?v=1776448327 Ethyl (E)-3-morpholinoacrylate | 81239-01-2 Ethyl (E)-3-morpholinoacrylate|CS-0047053|81239-01-2 https://www.jk-sci.com/products/s57c4x-16968 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a4e019ec-5f0f-4063-aa3a-b14e5d5e045e.png?v=1775078822 LCZ-696 Impurity 9 calcium salt LCZ-696 Impurity 9 calcium salt|C4X-16968 https://www.jk-sci.com/products/s57c4x-169683 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a930bc78-72de-4485-a0f6-331fa739820f.png?v=1774664839 Sacubitril-Valsartan Trisodium Salt 2.5hydrate | 936623-90-4 Sacubitril-Valsartan Trisodium Salt 2.5hydrate|C4X-169683|936623-90-4 https://www.jk-sci.com/products/ts246cs-0047050 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa2eccc2be8c9e5de03b67488c1fea65.jpg?v=1776448321 1'-(tert-Butoxycarbonyl)-[1,4'-bipiperidine]-4-carboxylic acid | 201810-59-5 1'-(tert-Butoxycarbonyl)-[1,4'-bipiperidine]-4-carboxylic acid|CS-0047050|201810-59-5 https://www.jk-sci.com/products/j5304813 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa1e7fd25a4d6c0fac94ba8b38edb0f0_9688fc8a-e53d-4170-93f8-3111daee3d24.jpg?v=1776323747 Triphenylphosphine resin (1.0 - 1.5 meq/g, 100 - 200 mesh) | 39319-11-4 Triphenylphosphine resin (1.0 - 1.5 meq/g, 100 - 200 mesh)|04813|39319-11-4 https://www.jk-sci.com/products/j5304954 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52bc3670b7a2b9fa3cdd84253bd67acf.jpg?v=1776323929 Boc-(3S,4S)-4-amino-3-hydroxy-5-(4-benzyloxyphenyl)pentanoic acid | 204195-38-0 Boc-(3S,4S)-4-amino-3-hydroxy-5-(4-benzyloxyphenyl)pentanoic acid|04954|204195-38-0 https://www.jk-sci.com/products/ts246cs-0045770 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33be41794eb752211be53d20a4f74477.jpg?v=1776447519 2-Amino-5-fluoropyrimidin-4(3H)-one | 1683-86-9 2-Amino-5-fluoropyrimidin-4(3H)-one|CS-0045770|1683-86-9 https://www.jk-sci.com/products/ts246cs-0047096 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78e8c58948a2b8de833b0e6b0f486f19.jpg?v=1776448360 Ethyl 3,5-dibromo-1-methyl-1H-pyrazole-4-carboxylate | 1017802-88-8 Ethyl 3,5-dibromo-1-methyl-1H-pyrazole-4-carboxylate|CS-0047096|1017802-88-8 https://www.jk-sci.com/products/ts246cs-0047200 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e85074dbb15c416ae2d820c06c6897.jpg?v=1776448405 tert-Butyl 5-bromo-2-methylbenzoate | 1202551-75-4 tert-Butyl 5-bromo-2-methylbenzoate|CS-0047200|1202551-75-4 https://www.jk-sci.com/products/s57c4x-16974 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ade7034374071f6300b97be1fd0b0692.jpg?v=1776414000 Galacto Miglitol | 132310-34-0 Galacto Miglitol|C4X-16974|132310-34-0 https://www.jk-sci.com/products/j5304993 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f42b0a120b63c9f46cdd9f59255e3b35.jpg?v=1776324035 Na-Boc-Nd-allyloxycarbonyl-L-ornithine | 171820-74-9 Na-Boc-Nd-allyloxycarbonyl-L-ornithine|04993|171820-74-9 https://www.jk-sci.com/products/j5305047 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a942445bc35b57956cf7e33721b770f9.jpg?v=1776324164 Fmoc-5-aminomethyl-2,3-O-isopropylidene-a-L-xylo-3-hexolofuranosonic aicd | 959572-93-1 Fmoc-5-aminomethyl-2,3-O-isopropylidene-a-L-xylo-3-hexolofuranosonic aicd|05047|959572-93-1 https://www.jk-sci.com/products/s57c4x-16986 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9903801bfcdebe75a2d9975b8b5026f7.jpg?v=1776414003 Milbemycin A3 Oxime | 114177-14-9 Milbemycin A3 Oxime|C4X-16986|114177-14-9 https://www.jk-sci.com/products/ts246cs-0047079 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d7a67c4c873ab34e8c497723dfaf09.jpg?v=1776448348 2,6-Dichloro-N-methoxy-N-methylisonicotinamide | 848498-98-6 2,6-Dichloro-N-methoxy-N-methylisonicotinamide|CS-0047079|848498-98-6 https://www.jk-sci.com/products/j5305079 2026-07-21T11:19:53-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42829ac6164a60e8e29806b6f4f3e758.jpg?v=1776324216 Boc-glycine N,O-dimethylhydroxamide | 121505-93-9 Boc-glycine N,O-dimethylhydroxamide|05079|121505-93-9