https://www.jk-sci.com/products/ts246cs-0102834 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b243b2ac63e71ab512f410f22dbbbc4d.jpg?v=1791664424 4-Bromo-5-nitro-1H-indole, 97% | 1934562-99-8 4-Bromo-5-nitro-1H-indole|CS-0102834|1934562-99-8 https://www.jk-sci.com/products/ts246cs-0105096 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/752c406aed55856c6460d5e56303404a.jpg?v=1791663593 PPC-NB, 97% | 1887040-81-4 PPC-NB|CS-0105096|1887040-81-4 https://www.jk-sci.com/products/ts246cs-0105847 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3502c411da4b9165b962cdff87faeb13.jpg?v=1791663300 m-PEG2-acid, 96% | 149577-05-9 m-PEG2-acid|CS-0105847|149577-05-9 https://www.jk-sci.com/products/s57c4x-22135 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a38b7614b1ed878e2a84a335d9d36ab.jpg?v=1791710423 Roxadustat Impurity 5, 99.70% | 1421312-36-8 Roxadustat Impurity 5|C4X-22135|1421312-36-8 https://www.jk-sci.com/products/s57c4x-221368 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f118169-0413-4a22-8432-313ac9700cd2.png?v=1791710416 Roxadustat Impurity 68, Purity: 99.5% Roxadustat Impurity 68|C4X-221368 https://www.jk-sci.com/products/s57c4x-22139 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432cf8076d146899917161a108e3d722.jpg?v=1791710414 Roxadustat Impurity 9, 99.10% | 1421312-35-7 Roxadustat Impurity 9|C4X-22139|1421312-35-7 https://www.jk-sci.com/products/ts246cs-0106376 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79a172b897daf43e989254227f166768.jpg?v=1791663140 2,6-Dibromo-4-methylbenzaldehyde, 98.44%+ | 88174-23-6 2,6-Dibromo-4-methylbenzaldehyde|CS-0106376|88174-23-6 https://www.jk-sci.com/products/s57c4x-22151 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7986e8a2-a399-4fc3-acb7-83562a2945dd.png?v=1791710409 Desmopressin EP Impurity A TFA salt, 97.00% Desmopressin EP Impurity A TFA salt|C4X-22151 https://www.jk-sci.com/products/s57c4x-221515 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24aa0794-abfa-4423-ac9d-e760f6bec049.png?v=1791710403 Desmopressin(1-7)-OH·TFA, Purity: 99.7% Desmopressin(1-7)-OH·TFA|C4X-221515 https://www.jk-sci.com/products/s57c4x-221395 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e110dfa8-197b-45e0-91ec-99c8a5af8d32.png?v=1791710412 Roxadustat Impurity 95, Purity: 97.4% Roxadustat Impurity 95|C4X-221395 https://www.jk-sci.com/products/s57c4x-22152 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b47f4713-2f49-4da4-8ce0-ff34c2d96bd0.png?v=1791710403 Desmopressin EP Impurity B TFA salt, Purity: 96.4% Desmopressin EP Impurity B TFA salt|C4X-22152 https://www.jk-sci.com/products/ts246cs-0106822 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248208.png?v=1791663045 Potassium bis(trifluoromethylsulfonyl)imide, 98% | 90076-67-8 Potassium bis(trifluoromethylsulfonyl)imide|CS-0106822|90076-67-8 https://www.jk-sci.com/products/ts246cs-0107113 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cb0253b6532f3c1fb56e19d22128ba3.jpg?v=1791662996 1-Bromo-3-fluoro-5-(trifluoromethoxy)benzene, 95% | 1129541-09-8 1-Bromo-3-fluoro-5-(trifluoromethoxy)benzene|CS-0107113|1129541-09-8 https://www.jk-sci.com/products/s57c4x-221523 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78e6ebbe-f23e-4261-b1f1-af0337299ba2.png?v=1791710399 Desmopressin EP Impurity A, 83.60% Desmopressin EP Impurity A|C4X-221523 https://www.jk-sci.com/products/ts246cs-0107267 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201862.png?v=1791662941 Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97% | 680-15-9 Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate|CS-0107267|680-15-9 https://www.jk-sci.com/products/s57c4x-221525 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ed5139a-77df-41e8-bd11-e6b78455be4d.png?v=1791710394 Desmopressin EP Impurity C, 96.10% Desmopressin EP Impurity C|C4X-221525 https://www.jk-sci.com/products/ts246cs-0107612 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed209b78a2d16dd86b579b76c8ab50ec.jpg?v=1791662880 DBCO-PEG4-C2-acid, 97.00%+ | 1537170-85-6 DBCO-PEG4-C2-acid|CS-0107612|1537170-85-6 https://www.jk-sci.com/products/s57c4x-22153 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6852fdbd-e15e-44be-99e3-74f67b71d835.png?v=1791710390 Desmopressin EP Impurity C TFA salt, 97.20% Desmopressin EP Impurity C TFA salt|C4X-22153 https://www.jk-sci.com/products/ts246cs-0107856 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea29c78d9c9e41fbe48f1beb3e122ffd.jpg?v=1791662845 4-Chlorobenzo[c][1,2,5]oxadiazole, 98% | 7116-16-7 4-Chlorobenzo[c][1,2,5]oxadiazole|CS-0107856|7116-16-7 https://www.jk-sci.com/products/s57c4x-221527 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_911c5d7f-2f1c-44c1-acd7-323e8a1dea1e.png?v=1791710394 [β-Asp5]-Desmopressin, 95.50% [β-Asp5]-Desmopressin|C4X-221527 https://www.jk-sci.com/products/s57c4x-221539 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_555affb1-173d-4517-833f-d57b00500fb8.png?v=1791710385 Desmopressin Impurity 39, Purity: 100.0% Desmopressin Impurity 39|C4X-221539 https://www.jk-sci.com/products/ts246cs-0108115 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/584d6a7d77aa305090aa07362e86b36a.jpg?v=1791662790 [2-(N,N-Dimethylamino)phenyl]di-t-butylphosphine, 95.00%+ | 415941-58-1 [2-(N,N-Dimethylamino)phenyl]di-t-butylphosphine|CS-0108115|415941-58-1 https://www.jk-sci.com/products/s57c4x-221542 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d5189aed-fd19-4bfd-8a8b-bbc3db7db215.png?v=1791710385 Desmopressin Impurity 42, Purity: 99.1% Desmopressin Impurity 42|C4X-221542 https://www.jk-sci.com/products/s57c4x-19052 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7482f7d24b550a67abf5bcb18f356114.jpg?v=1791712677 Amifostine Impurity 2, 92.80% | 14653-77-1 Amifostine Impurity 2|C4X-19052|14653-77-1 https://www.jk-sci.com/products/ts246cs-0107981 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0532629ffe42c979cde42c052790dd0f.jpg?v=1791662817 Tr-PEG4-OH, 98% | 125274-16-0 Tr-PEG4-OH|CS-0107981|125274-16-0 https://www.jk-sci.com/products/s57c4x-19851 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/037640826d1cd51e01706847fea6867f.jpg?v=1791711797 Regadenoson Impurity 1, 97.80% | 313348-29-7 Regadenoson Impurity 1|C4X-19851|313348-29-7 https://www.jk-sci.com/products/s57c4x-200729 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eeff5e4538a5f044798a7c07c4c0ebd9.jpg?v=1791711600 Brivaracetam Impurity 29, 92.10% | 2179080-15-8 Brivaracetam Impurity 29|C4X-200729|2179080-15-8 https://www.jk-sci.com/products/s57c4x-20021 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfae6368094caed4fb18f5a03eb8fcaf.jpg?v=1791711661 Bromfenac Impurity 1, 77.50% | 61941-62-6 Bromfenac Impurity 1|C4X-20021|61941-62-6 https://www.jk-sci.com/products/ts246cs-0108211 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5cc4ee8cc98c8d7ae7ceaa6f32df0ab.jpg?v=1791662770 m-PEG4-CH2COOH, 98.00%+ | 16024-66-1 m-PEG4-CH2COOH|CS-0108211|16024-66-1 https://www.jk-sci.com/products/s57c4x-201712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ec10b222e0f8d84425419550bbf4104.jpg?v=1791711490 Bezafibrate EP Impurity D, 99.50% | 41859-58-9 Bezafibrate EP Impurity D|C4X-201712|41859-58-9 https://www.jk-sci.com/products/ts246cs-0108395 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ece4016bbd5b4070b92c8e9341e04ec.jpg?v=1791662739 Tricyclohexylphosphonium trifluoromethanesulfonate, 95% | 952649-12-6 Tricyclohexylphosphonium trifluoromethanesulfonate|CS-0108395|952649-12-6 https://www.jk-sci.com/products/s57c4x-202173 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a15568fb659595e750c41e31465c012b.jpg?v=1791711432 Crisaborole lmpurity 73, 96.50% | 2473730-47-9 Crisaborole lmpurity 73|C4X-202173|2473730-47-9 https://www.jk-sci.com/products/ts246cs-0108519 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f599d5fd8efb12e5f0c2444f373fc17a.jpg?v=1791662683 3-Iodo-N-methylaniline, 97% | 61829-42-3 3-Iodo-N-methylaniline|CS-0108519|61829-42-3 https://www.jk-sci.com/products/s57c4x-20274 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461512_7bb8c8f4-8bb6-4b80-9753-b0ff30acdcd7.png?v=1791711373 4-Propoxybenzoic Acid, 99.30% | 5438-19-7 4-Propoxybenzoic Acid|C4X-20274|5438-19-7 https://www.jk-sci.com/products/ts246cs-0108648 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b84a7064ea8c8048279dbb37a0a7ba1.jpg?v=1791662657 (R)-1-[(S)-2-[Bis[4-(trifluoromethyl)phenyl]phosphino]ferrocenyl]ethylbis[4-(trifluoromethyl)phenyl]phosphine, 97% | 166172-60-7 (R)-1-[(S)-2-[Bis[4-(trifluoromethyl)phenyl]phosphino]ferrocenyl]ethylbis[4-(trifluoromethyl)phenyl]phosphine|CS-0108648|166172-60-7 https://www.jk-sci.com/products/s57c4x-203145 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ec0beee-904b-40f3-b590-e2fe84ee9c41.png?v=1791711303 Revefenacin Impurity 45, 90.30% Revefenacin Impurity 45|C4X-203145 https://www.jk-sci.com/products/ts246cs-0108673 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb1607515ab619436b1b634a84687ed2.jpg?v=1791662644 N,N-diisopropyl-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 97% | 208593-05-9 N,N-diisopropyl-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0108673|208593-05-9 https://www.jk-sci.com/products/s57c4x-204225 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b9b6b9eadcd2bbbc87fb74cc7f957d0.jpg?v=1791711235 Neostigmine Impurity 25, 93.10% | 76418-45-6 Neostigmine Impurity 25|C4X-204225|76418-45-6 https://www.jk-sci.com/products/s57c4x-20457 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ea52ed1d155e295f545da82743e3b66.jpg?v=1791711191 Osimertinib Impurity 7, 92.90% | 2919324-18-6 Osimertinib Impurity 7|C4X-20457|2919324-18-6 https://www.jk-sci.com/products/s57c4x-205115 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a453149-b927-489b-9ffb-27c06787faa5.png?v=1791711161 Calcium Dobesilate Impurity 15, Purity: 99.7% Calcium Dobesilate Impurity 15|C4X-205115 https://www.jk-sci.com/products/s57c4x-205819 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d0013880-cf9b-4479-88be-dc68a8e92756.png?v=1791711132 Ruxolitinib Impurity 19, Purity: 96.2% Ruxolitinib Impurity 19|C4X-205819 https://www.jk-sci.com/products/ts246cs-0108712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3016c21dd4b02fff4b86a777523dcb4.jpg?v=1791662623 N,N-bis((S)-1-phenylethyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine, 97% | 948309-50-0 N,N-bis((S)-1-phenylethyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine|CS-0108712|948309-50-0 https://www.jk-sci.com/products/s57c4x-20591 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325650_c837c135-ac83-4680-90f6-18960f3dc6bb.png?v=1791711106 Praziquantel EP Impurity A, 97.10% | 54761-87-4 Praziquantel EP Impurity A|C4X-20591|54761-87-4 https://www.jk-sci.com/products/ts246cs-0108740 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5166291fd9242356d9b05e531c41a613.jpg?v=1791662618 Benzothiohydrazide, 96% | 20605-40-7 Benzothiohydrazide|CS-0108740|20605-40-7 https://www.jk-sci.com/products/s57c4x-206627 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0af711af-eaae-4060-ba23-f990e3e8010d.png?v=1791711070 D-Gln4-Oxytocin, 92.30% D-Gln4-Oxytocin|C4X-206627 https://www.jk-sci.com/products/s57c4x-206852 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab90e1dbc4afbdacf95fafa1a54e03d6.jpg?v=1791711041 Elagolix Impurity 52, 80.40% | 2756307-49-8 Elagolix Impurity 52|C4X-206852|2756307-49-8 https://www.jk-sci.com/products/ts246cs-0108759 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1c5f2d5a44a13a57e7bd7789d1cb5c7.jpg?v=1793048629 (αS)-α-Methyl-N-[(1S)-1-phenylethyl]benzenemethanamine, 98% | 56210-72-1 (αS)-α-Methyl-N-[(1S)-1-phenylethyl]benzenemethanamine|CS-0108759|56210-72-1 https://www.jk-sci.com/products/s57c4x-20783 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117042_f5e0aed1-7283-473c-97d4-65c0f260025c.png?v=1791711014 Dihydralazine EP Impurity C, Purity: 99.5% | 304-20-1 Dihydralazine EP Impurity C|C4X-20783|304-20-1 https://www.jk-sci.com/products/ts246cs-0108776 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ef06b4bcfd16ecb959f77803b0c6ed9.jpg?v=1791662580 6-Bromo-3-iodoquinoline, 98% | 1416440-23-7 6-Bromo-3-iodoquinoline|CS-0108776|1416440-23-7 https://www.jk-sci.com/products/s57c4x-2083 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/364766_6c5ef336-037a-4fc8-baf9-4957d34e6c8f.png?v=1791710988 Desipramine HCl, Purity>95% | 58-28-6 Desipramine HCl|C4X-2083|58-28-6 https://www.jk-sci.com/products/s57c4x-208429 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5ba5dff4-af9a-462a-8e3a-91fe80fd221a.png?v=1791710963 Lusutrombopag Impurity 29, 98.00% Lusutrombopag Impurity 29|C4X-208429 https://www.jk-sci.com/products/ts246cs-0108782 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb4a9b2460c5797d5a4b9ee339bb7cd5.jpg?v=1791662573 (6-Carbamoylpyridin-3-yl)boronic acid, 98% | 1164100-82-6 (6-Carbamoylpyridin-3-yl)boronic acid|CS-0108782|1164100-82-6 https://www.jk-sci.com/products/ts246cs-0108795 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/827ed1e87d5897699415edf41bd4ba7a.jpg?v=1791662567 2-Chloro-5-(difluoromethoxy)pyrimidine, 98% | 1192813-64-1 2-Chloro-5-(difluoromethoxy)pyrimidine|CS-0108795|1192813-64-1 https://www.jk-sci.com/products/s57c4x-20851 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45ea2ffadcd3667247e6164f995a1373.jpg?v=1791710934 Nicergoline EP Impurity A, 99.30% | 38536-28-6 Nicergoline EP Impurity A|C4X-20851|38536-28-6 https://www.jk-sci.com/products/ts246cs-0108802 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29104e66f3953a5056ae745fd83c769a.jpg?v=1791662555 3-Chloro-2-fluoro-5-(trifluoromethyl)benzoic acid, 97% | 129931-45-9 3-Chloro-2-fluoro-5-(trifluoromethyl)benzoic acid|CS-0108802|129931-45-9 https://www.jk-sci.com/products/ts246cs-0108810 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26e6dc14ca21957d60ed2743c0a64e47.jpg?v=1791662550 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline, 98% | 876922-75-7 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline|CS-0108810|876922-75-7 https://www.jk-sci.com/products/s57c4x-20914 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c8ed058640d2397a4ea6c9d9652d129.jpg?v=1791710907 Ioversol Impurity 4, 87.90% | 2061892-21-3 Ioversol Impurity 4|C4X-20914|2061892-21-3 https://www.jk-sci.com/products/ts246cs-0108815 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46b96b493c0b46ef61ae206ae242461.jpg?v=1791662549 7-Bromo-1H-pyrrolo[3,2-c]pyridine-3-carbonitrile, 99.93%+ | 1260387-11-8 7-Bromo-1H-pyrrolo[3,2-c]pyridine-3-carbonitrile|CS-0108815|1260387-11-8 https://www.jk-sci.com/products/s57c4x-208625 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d19be848-bd47-4a50-8f39-9e3fee043758.png?v=1791710918 Dacomitinib Impurity 25, 99.40% Dacomitinib Impurity 25|C4X-208625 https://www.jk-sci.com/products/ts246cs-0108846 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/946f209aacc9fa28d9c9acaffc396a51.jpg?v=1791662538 Amino-PEG4-CH2COOH, 95% | 195071-49-9 Amino-PEG4-CH2COOH|CS-0108846|195071-49-9 https://www.jk-sci.com/products/ts246cs-0108894 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58bda4b6e4f1b89bb6188fcc2880b88d.jpg?v=1791662533 Tos-PEG2-Boc, 98% | 1309666-78-1 Tos-PEG2-Boc|CS-0108894|1309666-78-1 https://www.jk-sci.com/products/ts246cs-0108924 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/251844.png?v=1793048630 Biotin-PEG4-acid, 97% | 721431-18-1 Biotin-PEG4-acid|CS-0108924|721431-18-1 https://www.jk-sci.com/products/ts246cs-0108930 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eacb9c7de9095e723bd28370946858f6.jpg?v=1791662512 Mal-PEG5-acid, 98% | 1286755-26-7 Mal-PEG5-acid|CS-0108930|1286755-26-7 https://www.jk-sci.com/products/s57c4x-20962 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c06e328879e8a8a07394fd00d864b9fb.jpg?v=1791710893 Benazepril Impurity B, 98.60% | 98626-50-7 Benazepril Impurity B|C4X-20962|98626-50-7 https://www.jk-sci.com/products/ts246cs-0109004 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423f3f0791f6e809f80e1b9220f7645f.jpg?v=1791662506 5-Bromo-8-chloroquinoline, 97% | 927800-41-7 5-Bromo-8-chloroquinoline|CS-0109004|927800-41-7 https://www.jk-sci.com/products/s57c4x-21003 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8c477c1af08144a4a0cce1146d15216.jpg?v=1791710877 Remdesivir Impurity 3, 99.70% | 1355357-49-1 Remdesivir Impurity 3|C4X-21003|1355357-49-1 https://www.jk-sci.com/products/s57c4x-21025 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e6032af37e5ddc88443035b0057fd57_4f0cc82d-55bf-4856-8e13-3466e10322c9.jpg?v=1791710867 Favipiravir Impurity 5, Purity: 100.0% | 356783-16-9 Favipiravir Impurity 5|C4X-21025|356783-16-9 https://www.jk-sci.com/products/ts246cs-0109149 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ea6a0f0c23dcdac0db005b08c3790f8.jpg?v=1791662480 3-Chloro-5-(trifluoromethyl)benzenesulfonyl chloride, 97% | 875167-01-4 3-Chloro-5-(trifluoromethyl)benzenesulfonyl chloride|CS-0109149|875167-01-4 https://www.jk-sci.com/products/s57c4x-210510 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_25c9b5c5-7cb0-4e28-bbfe-a6c6e76b579d.png?v=1791710853 Estrone Impurity 10, 98.90% Estrone Impurity 10|C4X-210510 https://www.jk-sci.com/products/s57c4x-210611 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc7c5f72-144a-4d06-92a5-70131ee86961.png?v=1791710841 D-Cys5-Linaclotide, Purity: 96.0% D-Cys5-Linaclotide|C4X-210611 https://www.jk-sci.com/products/s57c4x-2108106 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e17151b-3d6c-4dbc-b430-b2ad1be66486.png?v=1791710829 Baloxavir Impurity 106, 99.10% Baloxavir Impurity 106|C4X-2108106 https://www.jk-sci.com/products/ts246cs-0109177 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6178b3ce822237fecc42a105178046c1.jpg?v=1791662474 Bromo-PEG6-bromide, 97% | 72713-23-6 Bromo-PEG6-bromide|CS-0109177|72713-23-6 https://www.jk-sci.com/products/s57c4x-210815 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64308adc-2e40-4faf-a63e-0fbdbaad85d1.png?v=1791710818 Baloxavir Impurity 15, 97.80% Baloxavir Impurity 15|C4X-210815 https://www.jk-sci.com/products/ts246cs-0109205 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44db8fa61f999bcc3949c426f1636dbf.jpg?v=1791662468 m-PEG9-Amine, 97% | 211859-73-3 m-PEG9-Amine|CS-0109205|211859-73-3 https://www.jk-sci.com/products/s57c4x-210829 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe6623b334f41688302d2be1d35a00ee.jpg?v=1791710802 Baloxavir Impurity 29, 99.70% | 1985607-83-7 Baloxavir Impurity 29|C4X-210829|1985607-83-7 https://www.jk-sci.com/products/s57c4x-210849 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f99c079f-152a-42d7-8d44-c66a9f8a8c3c.png?v=1791710791 Baloxavir Impurity 49, 97.80% Baloxavir Impurity 49|C4X-210849 https://www.jk-sci.com/products/s57c4x-210881 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bf57d75cb04687808521f2f33bb37e2.jpg?v=1791710776 Barloxavir impurity 81, 100.00% | 2814504-20-4 Barloxavir impurity 81|C4X-210881|2814504-20-4 https://www.jk-sci.com/products/ts246cs-0109292 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500441bb679e41f59d9ea2536461c36d.jpg?v=1791662456 2-Chloro-4-ethoxypyrimidine, 95% | 83774-09-8 2-Chloro-4-ethoxypyrimidine|CS-0109292|83774-09-8 https://www.jk-sci.com/products/ts246cs-0109319 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519870.png?v=1791662439 1-Aminobutan-2-ol, 98% | 13552-21-1 1-Aminobutan-2-ol|CS-0109319|13552-21-1 https://www.jk-sci.com/products/s57c4x-21161 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/907798cc0e46dc136c4ebe17da41f29a.jpg?v=1791710757 Treprostinil Impurity 1, 99.40% | 101692-02-8 Treprostinil Impurity 1|C4X-21161|101692-02-8 https://www.jk-sci.com/products/ts246cs-0109367 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d3f8503eb7ed48a172b908e670ad056.jpg?v=1791662427 Propargyl-PEG2-Boc, 95% | 1807503-80-5 Propargyl-PEG2-Boc|CS-0109367|1807503-80-5 https://www.jk-sci.com/products/ts246cs-0109443 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241560.png?v=1791662415 3,5-Dibromo-2-methylthiophene, 96% | 29421-73-6 3,5-Dibromo-2-methylthiophene|CS-0109443|29421-73-6 https://www.jk-sci.com/products/ts246cs-0109508 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb77468342a4d5d9190cc60edf647a20.jpg?v=1791662400 1,2-Difluoro-3-iodobenzene, 98.00%+ | 64248-57-3 1,2-Difluoro-3-iodobenzene|CS-0109508|64248-57-3 https://www.jk-sci.com/products/s57c4x-212015 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489226_db73826e-4049-4466-90de-704fe6d386a8.png?v=1791710737 Tritracine tetraacetic acid, Purity: 100.0% | 60239-18-1 Tritracine tetraacetic acid|C4X-212015|60239-18-1 https://www.jk-sci.com/products/s57c4x-212335 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3ac7508-7f92-45cf-bf6d-6d61ee363ff4.png?v=1791710726 Sivelestat sodium impurity 35, 60.10% | 99-77-5 Sivelestat sodium impurity 35|C4X-212335|99-77-5 https://www.jk-sci.com/products/ts246cs-0109580 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4f187848a5ea379212d2ed49b7cef87.jpg?v=1791662380 tert-Butyl (4-chloro-3-fluoro-2-iodophenyl)carbamate, 98.44%+ | 1018450-35-5 tert-Butyl (4-chloro-3-fluoro-2-iodophenyl)carbamate|CS-0109580|1018450-35-5 https://www.jk-sci.com/products/ts246cs-0105523 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d24d659fa99a106c1e82687358c6516.jpg?v=1791663438 4-Formyl-2-methoxybenzonitrile, 97% | 21962-49-2 4-Formyl-2-methoxybenzonitrile|CS-0105523|21962-49-2 https://www.jk-sci.com/products/s57c4x-213417 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6cbb1094-c697-47bb-983d-5e73f48d6491.png?v=1791710711 N-Nitroso Tulobuterol, 99.60% N-Nitroso Tulobuterol|C4X-213417 https://www.jk-sci.com/products/s57c4x-2144 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d2d0fd062ceb922e52121a10549a180.jpg?v=1791710699 Relebactam, 96.90% | 1174018-99-5 Relebactam|C4X-2144|1174018-99-5 https://www.jk-sci.com/products/s57c4x-21504 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142487_c5cda6e2-ffad-402f-bf1a-1dca079a0e68.png?v=1791710643 Tropicamide EP Impurity A, 99.80% Tropicamide EP Impurity A|C4X-21504 https://www.jk-sci.com/products/s57c4x-21466 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d7ccdd145aecd4210d2111fbca5588.jpg?v=1791710677 Hydantoin Impurity 6, 95.60% | 17773-41-0 Hydantoin Impurity 6|C4X-21466|17773-41-0 https://www.jk-sci.com/products/s57c4x-21499 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7880eb5d6138f01e3db626734b8af2.jpg?v=1791710653 Diquafosol Impurity 9, 90.20% | 19817-91-5 Diquafosol Impurity 9|C4X-21499|19817-91-5 https://www.jk-sci.com/products/ts246cs-0106666 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298bd612b9a50f1fece363493294ef5c.jpg?v=1791663067 Tris(triphenylphosphine)(trifluoromethyl)copper(I), 98% | 325810-07-9 Tris(triphenylphosphine)(trifluoromethyl)copper(I)|CS-0106666|325810-07-9 https://www.jk-sci.com/products/ts246cs-0107200 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342832.png?v=1791662980 3-Methoxy-1,2,4-thiadiazol-5-amine, 98% | 98022-43-6 3-Methoxy-1,2,4-thiadiazol-5-amine|CS-0107200|98022-43-6 https://www.jk-sci.com/products/s57c4x-214918 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126142_40184614-1a0c-4c00-891f-87230f830f8b.png?v=1791710662 Cytidine 5'-triphosphate disodium salt, 85.70% | 36051-68-0 Cytidine 5'-triphosphate disodium salt|C4X-214918|36051-68-0 https://www.jk-sci.com/products/s57c4x-21493 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06e8215477acb3229522266aee59404b.jpg?v=1791710657 Diquafosol Impurity 3, Purity: 99.0% | 221169-12-6 Diquafosol Impurity 3|C4X-21493|221169-12-6 https://www.jk-sci.com/products/ts246cs-0107665 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0e863b1b153f526c0bd9b82a00266b8.jpg?v=1791662860 Mal-amido-PEG4-acid, 95.00%+ | 1263045-16-4 Mal-amido-PEG4-acid|CS-0107665|1263045-16-4 https://www.jk-sci.com/products/ts246cs-0108019 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5566e9a8eb30e9db263913a5f0157fa4.jpg?v=1791662798 m-PEG4-MS, 95% | 130955-37-2 m-PEG4-MS|CS-0108019|130955-37-2 https://www.jk-sci.com/products/ts246cs-0108450 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622887.png?v=1791662689 (R)-1-[(S)-2-[Di(2-furyl)phosphino]ferrocenyl]ethyldi-otolylphosphine, 97% | 849924-73-8 (R)-1-[(S)-2-[Di(2-furyl)phosphino]ferrocenyl]ethyldi-otolylphosphine|CS-0108450|849924-73-8 https://www.jk-sci.com/products/s57c4x-21531 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499981_6735beb3-a07f-48f2-aabe-ec0106de31c4.png?v=1791710638 Nifuroxazide EP Impurity A, 99.60% | 5351-23-5 Nifuroxazide EP Impurity A|C4X-21531|5351-23-5 https://www.jk-sci.com/products/s57c4x-2157 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210132d38f4e53eabf33976c1c0f155d.jpg?v=1791710629 Insulin degludec, 94.50% | 844439-96-9 Insulin degludec|C4X-2157|844439-96-9 https://www.jk-sci.com/products/s57c4x-216320 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370014_3e96665b-401e-460d-9a79-6f1a6a8bbc24.png?v=1791710624 Tafluprost Impurity 20, Purity: 98.0% | 3446-89-7 Tafluprost Impurity 20|C4X-216320|3446-89-7 https://www.jk-sci.com/products/s57c4x-21711 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/372722_088c2423-4619-49a6-a222-9878ddc0f417.png?v=1791710615 L-alpha-Glycerophosphorylcholine, Purity: 100.0% | 28319-77-9 L-alpha-Glycerophosphorylcholine|C4X-21711|28319-77-9 https://www.jk-sci.com/products/s57c4x-2180 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45d30a8d6bfb8a5432869a87261c3f44.jpg?v=1791710603 Fluralaner, 99.40% | 864731-61-3 Fluralaner|C4X-2180|864731-61-3 https://www.jk-sci.com/products/s57c4x-21717 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558804_5a284899-f8d4-443a-9df3-8d02ec4164dd.png?v=1791710609 Isopropyl Palmitate, 95.50% | 142-91-6 Isopropyl Palmitate|C4X-21717|142-91-6 https://www.jk-sci.com/products/ts246cs-0108636 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622850.png?v=1791662659 (RP,R′P)-1,1′-Bis(dicyclohexylphosphino)-2,2′-bis[(S)-α-(dimethylamino)benzyl]ferrocene, 96.50%+ | 849924-78-3 (RP,R′P)-1,1′-Bis(dicyclohexylphosphino)-2,2′-bis[(S)-α-(dimethylamino)benzyl]ferrocene|CS-0108636|849924-78-3 https://www.jk-sci.com/products/ts246cs-0108697 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38e172a824cad9446ec85d4c8a57b52c.jpg?v=1791662634 (2-Biphenyl)di-1-adamantylphosphine, 97.00%+ | 224311-55-1 (2-Biphenyl)di-1-adamantylphosphine|CS-0108697|224311-55-1 https://www.jk-sci.com/products/ts246cs-0108726 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315602.png?v=1791662624 1-Isopropyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine, 98% | 1073354-18-3 1-Isopropyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine|CS-0108726|1073354-18-3 https://www.jk-sci.com/products/s57c4x-218017 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23bcb46e-2e26-4508-8ae5-10720cb52cbd.png?v=1791710596 Fluralaner Impurity 17, 98.20% Fluralaner Impurity 17|C4X-218017 https://www.jk-sci.com/products/ts246cs-0108769 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a7246574718921c2302f179300ccb4.jpg?v=1791662591 2,4-Dibromo-5-hydroxybenzaldehyde, 98% | 3111-51-1 2,4-Dibromo-5-hydroxybenzaldehyde|CS-0108769|3111-51-1 https://www.jk-sci.com/products/s57c4x-218042 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c891d79a7e8b53d9a254e1c17986e3df.jpg?v=1791710588 2-Acetyl-6-methylbenzoic acid, 99.70% | 56661-76-8 2-Acetyl-6-methylbenzoic acid|C4X-218042|56661-76-8 https://www.jk-sci.com/products/s57c4x-21831 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef9c813931a8f729ab555eafe47f4faf.jpg?v=1791710582 Dydrogesterone EP Impurity C, 96.10% | 246038-13-1 Dydrogesterone EP Impurity C|C4X-21831|246038-13-1 https://www.jk-sci.com/products/s57c4x-2184 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a921427f1cc4c0e68d89020cf3e3f956.jpg?v=1791710575 Beraprost Sodium (Mixture of Diastereomers), 97.70% | 496807-11-5 Beraprost Sodium (Mixture of Diastereomers)|C4X-2184|496807-11-5 https://www.jk-sci.com/products/ts246cs-0108790 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1921218f9bd8bbbd6eab3e5a716d3cc.jpg?v=1791662567 Benzyl (E)-prop-1-en-1-ylcarbamate, 98% | 260967-14-4 Benzyl (E)-prop-1-en-1-ylcarbamate|CS-0108790|260967-14-4 https://www.jk-sci.com/products/ts246cs-0108806 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c1c6129319d967a4a6e2bf89ebda573.jpg?v=1791662556 (R)-Morpholin-2-ylmethanol, 97% | 156925-22-3 (R)-Morpholin-2-ylmethanol|CS-0108806|156925-22-3 https://www.jk-sci.com/products/s57c4x-218923 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f66c48b5e25d2e9718bc81bc047ee7dc.jpg?v=1791710566 Bempedoic Acid Impurity 23, 99.80% | 738607-02-8 Bempedoic Acid Impurity 23|C4X-218923|738607-02-8 https://www.jk-sci.com/products/ts246cs-0108818 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66dc5f24002a9f1c310eb3995c82e5ea.jpg?v=1791662543 (4-Bromo-5-methylthiophen-2-yl)boronic acid, 97% | 154566-69-5 (4-Bromo-5-methylthiophen-2-yl)boronic acid|CS-0108818|154566-69-5 https://www.jk-sci.com/products/s57c4x-21916 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e1e8d46f-83a0-4e0f-9eda-83e6d6ce91f4.png?v=1791710555 Pregnenolone Isobutyrate, 96.00% Pregnenolone Isobutyrate|C4X-21916 https://www.jk-sci.com/products/ts246cs-0108922 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08e5c664ff6dec19d80cd07499d49080.jpg?v=1791662522 Biotin-PEG2-azide, 97% | 1910803-72-3 Biotin-PEG2-azide|CS-0108922|1910803-72-3 https://www.jk-sci.com/products/ts246cs-0108947 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117546_c5f1aeb6-3892-428e-88e3-f549801863e3.png?v=1791662507 Propargyl-PEG2-OH, 95% | 7218-43-1 Propargyl-PEG2-OH|CS-0108947|7218-43-1 https://www.jk-sci.com/products/s57c4x-219616 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_914e3657-5bec-4f57-a70d-cf7e1b4c0d8c.png?v=1791710549 Morinidazole Impurity 16, 92.40% Morinidazole Impurity 16|C4X-219616 https://www.jk-sci.com/products/s57c4x-21967 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b0b4b7e7615ab48840116f354e2b23a.jpg?v=1791710545 R-Morinidazole, 80.40% | 898230-59-6 R-Morinidazole|C4X-21967|898230-59-6 https://www.jk-sci.com/products/ts246cs-0109111 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea3b206c72063ef9e00d91f108a7fbe5.jpg?v=1791662484 PEG8-Tos, 99.52%+ | 886469-23-4 PEG8-Tos|CS-0109111|886469-23-4 https://www.jk-sci.com/products/s57c4x-219921 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a92e1e40154b6661469e8c0639934b43.jpg?v=1791710535 Oxyberberine, Purity: 99.1% | 549-21-3 Oxyberberine|C4X-219921|549-21-3 https://www.jk-sci.com/products/ts246cs-0109183 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a18375fdc002d13892e17049ea54f55.jpg?v=1791662468 Bis-PEG4-PFP ester, 95% | 1314378-12-5 Bis-PEG4-PFP ester|CS-0109183|1314378-12-5 https://www.jk-sci.com/products/ts246cs-0109313 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41cdf0b6b3c5116a0f23740e042e66ea.jpg?v=1791662444 Bis((R)-4-(tert-butyl)-4,5-dihydrooxazol-2-yl)methane, 95% | 131833-91-5 Bis((R)-4-(tert-butyl)-4,5-dihydrooxazol-2-yl)methane|CS-0109313|131833-91-5 https://www.jk-sci.com/products/s57c4x-22012 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6730b936ce1c8852a1d7771846f38ca5.jpg?v=1791710529 Lumateperone Impurity 2, 93.20% | 1576240-15-7 Lumateperone Impurity 2|C4X-22012|1576240-15-7 https://www.jk-sci.com/products/ts246cs-0109371 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489a4774aa282e3740e7d5be7c9e3517.jpg?v=1791662427 Hydroxy-PEG2-CH2-Boc, 97.00%+ | 149299-82-1 Hydroxy-PEG2-CH2-Boc|CS-0109371|149299-82-1 https://www.jk-sci.com/products/ts246cs-0109526 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c0b6035f098c4337bb57658a7d50404.jpg?v=1791662394 4,4'-(1,2-Diphenyl-1,2-ethenediyl)bis[phenol], 95% | 68578-79-0 4,4'-(1,2-Diphenyl-1,2-ethenediyl)bis[phenol]|CS-0109526|68578-79-0 https://www.jk-sci.com/products/s57c4x-22021 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/401398_db0faae9-610f-4d12-b70f-06dd36147381.png?v=1791710523 Neticonazole Impurity 1, 99.50% | 2949-92-0 Neticonazole Impurity 1|C4X-22021|2949-92-0 https://www.jk-sci.com/products/ts246cs-0109632 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29375c6120ba817cdf793c7864884426.jpg?v=1793048593 (6-Chloropyridin-2-yl)boronic acid, 95.00%+ | 652148-90-8 (6-Chloropyridin-2-yl)boronic acid|CS-0109632|652148-90-8 https://www.jk-sci.com/products/s57c4x-220740 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aee51e0f082f37af79171b924b2e9833.jpg?v=1791710493 Vitamin K1 Impurity 40, Purity: 99.8% | 81800-41-1 Vitamin K1 Impurity 40|C4X-220740|81800-41-1 https://www.jk-sci.com/products/s57c4x-220730 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2c1140dc6b72e3194bb7742d14beb08.jpg?v=1791710499 Vitamin K1 Impurity 30, 98.80% | 15448-59-6 Vitamin K1 Impurity 30|C4X-220730|15448-59-6 https://www.jk-sci.com/products/s57c4x-221115 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ff00215165c5286b7ddbd0e38af674_55f8cd2a-e078-4672-a3f8-143414894a5c.jpg?v=1791710479 Lysine Impurity 15, 99.5% | 3184-13-2 Lysine Impurity 15|C4X-221115|3184-13-2 https://www.jk-sci.com/products/ts246cs-0109679 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21ab002bf495125a721acb9dac609886.jpg?v=1791662348 (2,5-Difluoropyridin-4-yl)boronic acid, 96% | 1263375-23-0 (2,5-Difluoropyridin-4-yl)boronic acid|CS-0109679|1263375-23-0 https://www.jk-sci.com/products/s57c4x-220761 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352764d802c0d9567f866d303e652f06.jpg?v=1791710484 Vitamin K1 Impurity 61, 98.60% | 121917-04-2 Vitamin K1 Impurity 61|C4X-220761|121917-04-2 https://www.jk-sci.com/products/s57c4x-221119 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/370719_6d4d7729-756c-4edf-a312-ca7c9c76c2b7.png?v=1791710474 Lysine Impurity 19, 98.40% | 692-04-6 Lysine Impurity 19|C4X-221119|692-04-6 https://www.jk-sci.com/products/s57c4x-2212 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db465cfe165f713f15e9fab61ef872b.jpg?v=1791710465 Buserelin Acetate, 90.60% | 68630-75-1 Buserelin Acetate|C4X-2212|68630-75-1 https://www.jk-sci.com/products/s57c4x-22071 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791844_bc60f1e6-2da3-404a-9e98-124a03259f14.png?v=1791710514 2,3-Epoxide Vitamin K1 (Mixture of Diastereomers), 94.10% | 25486-55-9 2,3-Epoxide Vitamin K1 (Mixture of Diastereomers)|C4X-22071|25486-55-9 https://www.jk-sci.com/products/ts246cs-0109691 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65eeffb5379c765196dc019d6a1ad9e0.jpg?v=1791662348 N-(2-Amino-2-oxoethyl)acrylamide, 97% | 2479-62-1 N-(2-Amino-2-oxoethyl)acrylamide|CS-0109691|2479-62-1 https://www.jk-sci.com/products/ts246cs-0104071 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1da7eacac10365d59825889f438d4aab.jpg?v=1791663835 (2-Methylpyridin-4-yl)methanamine, 97.00%+ | 94413-70-4 (2-Methylpyridin-4-yl)methanamine|CS-0104071|94413-70-4 https://www.jk-sci.com/products/ts246cs-0106926 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18ffbe30a0deb5afd5bfd94d5dbc535f.jpg?v=1791663017 (1-(Morpholinomethyl)cyclopropyl)methanol, 95.00%+ | 1267956-65-9 (1-(Morpholinomethyl)cyclopropyl)methanol|CS-0106926|1267956-65-9 https://www.jk-sci.com/products/s57c4x-2213105 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66d639d4-a9e8-4488-b9c5-400c395795b7.png?v=1791710459 Roxadustat Impurity 105, 90.60% Roxadustat Impurity 105|C4X-2213105 https://www.jk-sci.com/products/ts246cs-0107917 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ace9d7fb19e45840c61e1cbcb747353.jpg?v=1791662833 N,N-Dibenzyl-2-fluorobutan-1-amine, 97% | 2387332-76-3 N,N-Dibenzyl-2-fluorobutan-1-amine|CS-0107917|2387332-76-3 https://www.jk-sci.com/products/s57c4x-221315 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c257c335-37fe-4dd8-8681-fecc60b28412.png?v=1791710445 Roxadustat Impurity 15, 91.90% Roxadustat Impurity 15|C4X-221315 https://www.jk-sci.com/products/s57c4x-221510 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_05bca814-ef43-4e6e-a35f-7433242d9a70.png?v=1791710408 Desmopressin Impurity 10, Purity: 99.9% Desmopressin Impurity 10|C4X-221510 https://www.jk-sci.com/products/s57c4x-221394 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5aef4a01-1d2d-48ef-8bf1-21d3b9c7c127.png?v=1791710412 Roxadustat Impurity 94, 95.10% Roxadustat Impurity 94|C4X-221394 https://www.jk-sci.com/products/s57c4x-221353 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d241b048-0242-4678-8929-9a67fae810e5.png?v=1791710418 Roxadustat Impurity 53, Purity: 99.9% Roxadustat Impurity 53|C4X-221353 https://www.jk-sci.com/products/s57c4x-221324 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_55765758-5fe8-483e-83ef-1c8f097f4dcc.png?v=1791710437 Roxadustat Impurity 24, Purity: 99.5% Roxadustat Impurity 24|C4X-221324 https://www.jk-sci.com/products/s57c4x-221336 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb7aa6636885c4e9e3d5825005c7adb1.jpg?v=1791710428 Roxadustat Impurity 36, 92.80% | 2599284-47-4 Roxadustat Impurity 36|C4X-221336|2599284-47-4 https://www.jk-sci.com/products/ts246cs-0108467 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0f0889c0eafe116e735b7449d1324a2.jpg?v=1791662684 5-((5-(Trifluoromethyl)pyridin-2-yl)oxy)thiazol-2-amine, 98% | 1328998-37-3 5-((5-(Trifluoromethyl)pyridin-2-yl)oxy)thiazol-2-amine|CS-0108467|1328998-37-3 https://www.jk-sci.com/products/ts246cs-0108703 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05a06bdd3fe2dca5c3dee4ea33028037.jpg?v=1791662633 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one, 97% | 1150271-44-5 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one|CS-0108703|1150271-44-5 https://www.jk-sci.com/products/s57c4x-221526 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_215ccc91-cc19-4ddc-9d13-61fdc953f531.png?v=1791710394 Desmopressin EP Impurity D, 98.70% Desmopressin EP Impurity D|C4X-221526 https://www.jk-sci.com/products/s57c4x-221522 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ec3f9b5b-4d5e-47c8-a6ae-a7f747588ed4.png?v=1791710398 [Tyr2 (3-OH)] - Desmopressin, 94.10% [Tyr2 (3-OH)] - Desmopressin|C4X-221522 https://www.jk-sci.com/products/ts246cs-0108780 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e9a3e5235a448aebfcfb00b99a6e192.jpg?v=1791662573 3,5-Dibromo-4-chloropyridin-2-amine, 98% | 1242329-23-2 3,5-Dibromo-4-chloropyridin-2-amine|CS-0108780|1242329-23-2 https://www.jk-sci.com/products/ts246cs-0108813 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c787b10f9615f18bff1dc8e27a838e1b.jpg?v=1791662549 6-Bromo-3-iodo-1H-pyrazolo[4,3-b]pyridine, 98.28%+ | 1305208-17-6 6-Bromo-3-iodo-1H-pyrazolo[4,3-b]pyridine|CS-0108813|1305208-17-6 https://www.jk-sci.com/products/s57c4x-221538 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_447e3fd9-b5ea-4da4-9ae4-d6e8297e4a12.png?v=1791710390 Desmopressin Impurity 38, Purity: 99.8% Desmopressin Impurity 38|C4X-221538 https://www.jk-sci.com/products/s57c4x-221725 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103242.png?v=1791710375 Phloroglucinol Impurity 25, Purity: 99.9% | 108-36-1 Phloroglucinol Impurity 25|C4X-221725|108-36-1 https://www.jk-sci.com/products/s57c4x-221717 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433485.png?v=1791710375 Phloroglucinol Impurity 17, 91.30% | 533-73-3 Phloroglucinol Impurity 17|C4X-221717|533-73-3 https://www.jk-sci.com/products/s57c4x-221712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/221280.png?v=1791710380 Phloroglucinol Impurity 12, 94.00% | 137-19-9 Phloroglucinol Impurity 12|C4X-221712|137-19-9 https://www.jk-sci.com/products/ts246cs-0108925 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b7e261fef41e9cce341029b7990500d.jpg?v=1791662517 7-Fluoropyrrolo[1,2-a]quinoxalin-4(5H)-one, 99.23%+ | 136773-67-6 7-Fluoropyrrolo[1,2-a]quinoxalin-4(5H)-one|CS-0108925|136773-67-6 https://www.jk-sci.com/products/s57c4x-221757 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98808ca9cc362c908c00a2cf0d38dae4.jpg?v=1791710359 Phloroglucinol Impurity57, 95.50% | 738614-23-8 Phloroglucinol Impurity57|C4X-221757|738614-23-8 https://www.jk-sci.com/products/s57c4x-221731 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274099_a6c6274e-9b12-49b8-923c-4f53f611ae7b.png?v=1791710366 Phloroglucinol Impurity 31, Purity: 99.0% | 151-10-0 Phloroglucinol Impurity 31|C4X-221731|151-10-0 https://www.jk-sci.com/products/s57c4x-221729 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149044_a1f0295e-d385-4c82-9ea1-9aa76eb5ad4e.png?v=1791710369 Phloroglucinol Impurity 29, 96.90% | 2174-64-3 Phloroglucinol Impurity 29|C4X-221729|2174-64-3 https://www.jk-sci.com/products/ts246cs-0109158 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b3385250de6b0cd12254229bb612253.jpg?v=1791662474 (S,R,S)-AHPC-C4-COOH, 95.00%+ | 2172819-74-6 (S,R,S)-AHPC-C4-COOH|CS-0109158|2172819-74-6 https://www.jk-sci.com/products/ts246cs-0109322 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e373b7287609c7970ecb11442159fa2f.jpg?v=1791662433 O-Benzyl-D-serine hydrochloride, 98.46%+ | 1233494-98-8 O-Benzyl-D-serine hydrochloride|CS-0109322|1233494-98-8 https://www.jk-sci.com/products/s57c4x-221737 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_efbf3e85-0aee-4e40-a8e7-9fb44cbb206f.png?v=1791710363 Phloroglucinol Impurity 37, Purity: 95.8% Phloroglucinol Impurity 37|C4X-221737 https://www.jk-sci.com/products/ts246cs-0109616 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394375.png?v=1791662369 1-Cyclohexylethan-1-ol, 98% | 1193-81-3 1-Cyclohexylethan-1-ol|CS-0109616|1193-81-3 https://www.jk-sci.com/products/ts246cs-0109686 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe15bcb23600763f2ee108911a7b13f7.jpg?v=1791662348 Mal-PEG3-Boc, 97% | 518044-35-4 Mal-PEG3-Boc|CS-0109686|518044-35-4 https://www.jk-sci.com/products/ts246cs-0109770 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6756f0e48101d57fc10c0c27b6c13e12.jpg?v=1791662329 N-(3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)propyl)-N-methylbenzenesulfonimidamide, 95% | 2378147-02-3 N-(3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)propyl)-N-methylbenzenesulfonimidamide|CS-0109770|2378147-02-3 https://www.jk-sci.com/products/ts246cs-0109781 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/794000.png?v=1791662317 1-Chloroisoquinolin-5-amine, 97% | 374554-54-8 1-Chloroisoquinolin-5-amine|CS-0109781|374554-54-8 https://www.jk-sci.com/products/s57c4x-22177 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9ed7d60cbdc146ff8d58a9aa66c79cb.jpg?v=1791710357 Phloroglucinol Impurity 7, 95.10% | 203645-99-2 Phloroglucinol Impurity 7|C4X-22177|203645-99-2 https://www.jk-sci.com/products/s57c4x-221810 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_74e6fd82-27a2-4b65-ac39-9b05b1613138.png?v=1791710352 Calcitonin EP Impurity D, 92.20% Calcitonin EP Impurity D|C4X-221810 https://www.jk-sci.com/products/s57c4x-221814 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dfcd41ae-c47c-4b11-ad4f-f2cdde7e1875.png?v=1791710348 Tri sulfur salmon calcitonin, Purity: 98.0% Tri sulfur salmon calcitonin|C4X-221814 https://www.jk-sci.com/products/ts246cs-0109824 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cdf555740ef08c8700c4ec41024c94f.jpg?v=1791662311 Methyl 2-bromo-5-chloronicotinate, 98% | 1214324-95-4 Methyl 2-bromo-5-chloronicotinate|CS-0109824|1214324-95-4 https://www.jk-sci.com/products/s57c4x-22185 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5194b494-5301-450b-a912-beba8d7067a2.png?v=1791710348 Calcitonin EP Impurity E, Purity: 95.4% Calcitonin EP Impurity E|C4X-22185 https://www.jk-sci.com/products/s57c4x-22187 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37006209-ec0f-4ad7-a0e1-05f3fedeb0d6.png?v=1791710339 Calcitonin EP Impurity G, Purity: 96.8% Calcitonin EP Impurity G|C4X-22187 https://www.jk-sci.com/products/s57c4x-22221 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138728_ce5e5418-bef8-4b35-aa06-00015ca935b7.png?v=1791710339 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane, Purity: 97.9% | 23978-09-8 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane|C4X-22221|23978-09-8 https://www.jk-sci.com/products/s57c4x-22248 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/780623ae6e5c8aba76251402f7b20497.jpg?v=1791710334 Silybin, 95.40% | 802918-57-6 Silybin|C4X-22248|802918-57-6 https://www.jk-sci.com/products/ts246cs-0109865 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342028.png?v=1791662299 4-(Fluorosulfonyl)benzoic acid, 97% | 455-26-5 4-(Fluorosulfonyl)benzoic acid|CS-0109865|455-26-5 https://www.jk-sci.com/products/s57c4x-22261 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ca52f42-b82c-4ec4-a373-68bf92d752f5.png?v=1791710327 Semaglutide Impurity 1, Purity: 98.5% Semaglutide Impurity 1|C4X-22261 https://www.jk-sci.com/products/ts246cs-0109910 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fc86d33e01e3e3513713275fb7617f3.jpg?v=1791662288 (1-Isobutyl-1H-pyrazol-4-yl)boronic acid, 98% | 929094-25-7 (1-Isobutyl-1H-pyrazol-4-yl)boronic acid|CS-0109910|929094-25-7 https://www.jk-sci.com/products/ts246cs-0109938 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0936ff881ef0c8ea99a1448f3ee3cdd1.jpg?v=1791662269 3-Chloro-2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, 98% | 1220219-73-7 3-Chloro-2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine|CS-0109938|1220219-73-7 https://www.jk-sci.com/products/ts246cs-0109950 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4aab29f598c4ee41ca213af97923fa1.jpg?v=1791662259 (2,2'-Bipyridyl)bis[2-(4-tertbutylphenyl) pyridine] iridium (III) hexafluorophosphate, 99.23%+ | 1352428-78-4 (2,2'-Bipyridyl)bis[2-(4-tertbutylphenyl) pyridine] iridium (III) hexafluorophosphate|CS-0109950|1352428-78-4 https://www.jk-sci.com/products/s57c4x-2226104 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ecbbe611-f4bc-40c7-b4f4-f68b4311572d.png?v=1791710323 Semaglutide impurity 104, Purity: 99.7% Semaglutide impurity 104|C4X-2226104 https://www.jk-sci.com/products/s57c4x-2226123 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b271c060b2a31cc66503211286fc20da.jpg?v=1791710319 Semaglutide Impurity 123, 99.10% | 71997-93-8 Semaglutide Impurity 123|C4X-2226123|71997-93-8 https://www.jk-sci.com/products/ts246cs-0109963 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01579c1f371094f9a01ecd6e55753940.jpg?v=1791662254 Hydroxy-PEG5-acid, 98% | 2079768-50-4 Hydroxy-PEG5-acid|CS-0109963|2079768-50-4 https://www.jk-sci.com/products/s57c4x-2226116 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d416cb9d-6457-4e03-8be7-27f346db45ef.png?v=1791710320 [D-Ser8]-Semaglutide A (x TFA Salt), 89.30% [D-Ser8]-Semaglutide A (x TFA Salt)|C4X-2226116 https://www.jk-sci.com/products/ts246cs-0109989 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/167d56f18dc406743f13c9607247dcd4.jpg?v=1791662243 2-Fluoro-3-iodobenzaldehyde, 97% | 146137-83-9 2-Fluoro-3-iodobenzaldehyde|CS-0109989|146137-83-9 https://www.jk-sci.com/products/ts246cs-0110019 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a5fd7cda285b7a69ab839ac3cdb88c5.jpg?v=1791662227 (4-Bromothiophen-3-yl)boronic acid, 98% | 101084-76-8 (4-Bromothiophen-3-yl)boronic acid|CS-0110019|101084-76-8 https://www.jk-sci.com/products/s57c4x-222657 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6667a807b1602d45942784e3b8b5d166.jpg?v=1791710314 Semaglutide impurity 57, Purity: 98.8% | 2773558-06-6 Semaglutide impurity 57|C4X-222657|2773558-06-6 https://www.jk-sci.com/products/s57c4x-222622 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79a631f73f16d902f295690cf8550ec8.jpg?v=1791710312 Semaglutide impurity 22, 97.00% | 1118767-16-0 Semaglutide impurity 22|C4X-222622|1118767-16-0 https://www.jk-sci.com/products/ts246cs-0110028 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2062075.png?v=1791662211 5,5'-(Ethyne-1,2-diyl)diisophthalic acid, 98% | 957014-38-9 5,5'-(Ethyne-1,2-diyl)diisophthalic acid|CS-0110028|957014-38-9 https://www.jk-sci.com/products/ts246cs-0110047 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2062087_e5284f50-7d42-4972-94e6-556afe771979.png?v=1791662197 Antibacterial agent 18, 97% | 1239602-35-7 Antibacterial agent 18|CS-0110047|1239602-35-7 https://www.jk-sci.com/products/s57c4x-2229 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358596_fd4da966-371b-401c-bf60-4a4adce97175.png?v=1791710298 Pirfenidone, 98.60% | 53179-13-8 Pirfenidone|C4X-2229|53179-13-8 https://www.jk-sci.com/products/s57c4x-222697 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b8fefc6a-ab7f-4d65-af37-5cd7a0eacd70.png?v=1791710307 Semaglutide impurity 97, Purity: 99.2% Semaglutide impurity 97|C4X-222697 https://www.jk-sci.com/products/s57c4x-222918 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603623.png?v=1791710298 Pirfenidone EP Impurity A, 98.00% | 1603-41-4 Pirfenidone EP Impurity A|C4X-222918|1603-41-4 https://www.jk-sci.com/products/s57c4x-22313-ss 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138906.png?v=1791710276 Glyceryl Trinitrate Solution EP Impurity C, Purity: 0.0% | 620-12-2 Glyceryl Trinitrate Solution EP Impurity C|C4X-22313-SS|620-12-2 https://www.jk-sci.com/products/ts246cs-0110070 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416320_43f67f01-16f6-4ec5-8419-fac40d54c41c.png?v=1791662174 3,6-Di(pyridin-4-yl)-1,2,4,5-tetrazine, 95% | 57654-36-1 3,6-Di(pyridin-4-yl)-1,2,4,5-tetrazine|CS-0110070|57654-36-1 https://www.jk-sci.com/products/s57c4x-22299 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2533bf4c-ece8-4cf3-93f7-106323c05913.png?v=1791710285 Pirfenidone Impurity 9, 92.90% Pirfenidone Impurity 9|C4X-22299 https://www.jk-sci.com/products/s57c4x-223429 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3a92c4ca2f41a046af3f0168c2ac52a.jpg?v=1791710249 Avatrombopag Impurity 29, 96.30% | 570403-14-4 Avatrombopag Impurity 29|C4X-223429|570403-14-4 https://www.jk-sci.com/products/ts246cs-0110112 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17144537fa995428b0e508523e25bb7e.jpg?v=1791662164 (3S)-3-Amino-2,3-dihydro-1H-indene-5-carboxylic acid methyl ester hydrochloride, 96% | 1246509-66-9 (3S)-3-Amino-2,3-dihydro-1H-indene-5-carboxylic acid methyl ester hydrochloride|CS-0110112|1246509-66-9 https://www.jk-sci.com/products/s57c4x-223420 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273093.png?v=1791710255 Avatrombopag Impurity 20, Purity: 98.0% | 123971-45-9 Avatrombopag Impurity 20|C4X-223420|123971-45-9 https://www.jk-sci.com/products/ts246cs-0110123 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96690d0e13e535dceeac614cfe5415d5.jpg?v=1791662158 Tos-PEG6-C2-Boc, 97.35%+ | 406213-75-0 Tos-PEG6-C2-Boc|CS-0110123|406213-75-0 https://www.jk-sci.com/products/s57c4x-223418 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6516e21cfd1a2e4d404dfc3e8ba7418.jpg?v=1791710265 Avatrombopag Impurity 18, 91.60% | 958457-83-5 Avatrombopag Impurity 18|C4X-223418|958457-83-5 https://www.jk-sci.com/products/s57c4x-223427 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a3349cf-42a0-4d3a-bbd5-1f37f7ed46c7.png?v=1791710249 Avatrombopag Impurity 27, 96.10% Avatrombopag Impurity 27|C4X-223427 https://www.jk-sci.com/products/s57c4x-222934 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204468.png?v=1791710286 Pirfenidone Impurity 34, 98.20% | 77837-08-2 Pirfenidone Impurity 34|C4X-222934|77837-08-2 https://www.jk-sci.com/products/s57c4x-223439 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41dc519e3ed4ccca14f39c013135b10c.jpg?v=1791710230 Avatrombopag Impurity 39, 98.80% | 570407-10-2 Avatrombopag Impurity 39|C4X-223439|570407-10-2 https://www.jk-sci.com/products/s57c4x-223436 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223618.png?v=1791710239 Avatrombopag Impurity 36, 91.20% | 34730-20-6 Avatrombopag Impurity 36|C4X-223436|34730-20-6 https://www.jk-sci.com/products/ts246cs-0110174 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/837a2a7918684244e45b617100aeb469.jpg?v=1791662149 (1,2-Phenylenebis(methylene))bis(phosphonic acid), 98.00%+ | 42104-58-5 (1,2-Phenylenebis(methylene))bis(phosphonic acid)|CS-0110174|42104-58-5 https://www.jk-sci.com/products/s57c4x-223421 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98f085acfdb32f55ae0e40b3b7ea3f55.jpg?v=1791710255 Avatrombopag, 97.80% | 570406-98-3 Avatrombopag|C4X-223421|570406-98-3 https://www.jk-sci.com/products/s57c4x-22315-ss 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220713.png?v=1791710275 Glyceryl Trinitrate Solution EP Impurity E, Purity: 99.9% | 623-87-0 Glyceryl Trinitrate Solution EP Impurity E|C4X-22315-SS|623-87-0 https://www.jk-sci.com/products/ts246cs-0110219 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac538a32af4dd28ff5bd0f5a5eb99865.jpg?v=1791662139 [1,1':3',1''-Terphenyl]-4,4'',5'-tricarbaldehyde, 95% | 1977585-07-1 [1,1':3',1''-Terphenyl]-4,4'',5'-tricarbaldehyde|CS-0110219|1977585-07-1 https://www.jk-sci.com/products/ts246cs-0110226 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98f8e1fc3cac7b7d11f54c18d00b3327.jpg?v=1791662129 [1,1':4',1'':4'',1'''-Quaterphenyl]-4,4'''-diamine, 95% | 53693-67-7 [1,1':4',1'':4'',1'''-Quaterphenyl]-4,4'''-diamine|CS-0110226|53693-67-7 https://www.jk-sci.com/products/s57c4x-2234 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f05c6669a38c5222e6eef542500ca5c7.jpg?v=1791710265 Avatrombopag Maleate, 99.00% | 677007-74-8 Avatrombopag Maleate|C4X-2234|677007-74-8 https://www.jk-sci.com/products/s57c4x-223483 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e66e45fa-8756-416a-84d4-6c95737fb671.png?v=1791710216 Avatrombopag Impurity 83, 99.20% Avatrombopag Impurity 83|C4X-223483 https://www.jk-sci.com/products/s57c4x-22346 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10cf2722-abea-4a4a-960f-bdd34fa5c2b5.png?v=1791710229 Avatrombopag Impurity 6 HCl, 93.40% Avatrombopag Impurity 6 HCl|C4X-22346 https://www.jk-sci.com/products/s57c4x-223470 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30c74d06fedff2c00150c478b5c9b8cb.jpg?v=1791710220 Avatrombopag Impurity 70, 97.40% | 19982-04-8 Avatrombopag Impurity 70|C4X-223470|19982-04-8 https://www.jk-sci.com/products/s57c4x-223430 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56f7031fb15993738af3f746f6d8c005.jpg?v=1791710246 Avatrombopag Impurity 30, 92.90% | 570407-42-0 Avatrombopag Impurity 30|C4X-223430|570407-42-0 https://www.jk-sci.com/products/ts246cs-0110270 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0659f3de84e7899ada333fa8b797c2e3.jpg?v=1791662118 [1,1'-Biphenyl]-3,3'-dicarboxylic acid, 97% | 612-87-3 [1,1'-Biphenyl]-3,3'-dicarboxylic acid|CS-0110270|612-87-3 https://www.jk-sci.com/products/ts246cs-0110281 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590594994a0e3b46d18516439b27df76.jpg?v=1791662103 [2,2'-Bipyridine]-4,4'-diol, 98% | 90770-88-0 [2,2'-Bipyridine]-4,4'-diol|CS-0110281|90770-88-0 https://www.jk-sci.com/products/s57c4x-223496 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3de2fd44-553c-4d14-b814-a2d7dc20adc6.png?v=1791710211 Avatrombopag Impurity 96, 99.60% Avatrombopag Impurity 96|C4X-223496 https://www.jk-sci.com/products/ts246cs-0110286 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b25fb49480f02a11dad01ab015f36584.jpg?v=1791662097 [2,2'-Bipyridine]-5,5'-dicarbonitrile, 97% | 1802-29-5 [2,2'-Bipyridine]-5,5'-dicarbonitrile|CS-0110286|1802-29-5 https://www.jk-sci.com/products/s57c4x-223612 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e20b763b-ebb1-4a94-b37d-de106fc74bfe.png?v=1791710211 Epalrestat Impurity 12, 96.10% Epalrestat Impurity 12|C4X-223612 https://www.jk-sci.com/products/ts246cs-0110343 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ff99ba00e8105905d6044794f85307.jpg?v=1791662079 1,1,2,2-Tetrakis(4-methoxyphenyl)ethene, 97.00%+ | 10019-24-6 1,1,2,2-Tetrakis(4-methoxyphenyl)ethene|CS-0110343|10019-24-6 https://www.jk-sci.com/products/ts246cs-0110375 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/208bb2f1107203fd585cb530e8bb3708.jpg?v=1791662047 1,3,5,7-Tetrakis(4-bromophenyl)adamantane, 98% | 144970-36-5 1,3,5,7-Tetrakis(4-bromophenyl)adamantane|CS-0110375|144970-36-5 https://www.jk-sci.com/products/ts246cs-0110387 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138264d644605527512ca6c77997e89d.jpg?v=1791662038 1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene, 98% | 870258-96-1 1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene|CS-0110387|870258-96-1 https://www.jk-sci.com/products/ts246cs-0110394 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c843d99db19e434f283324944ab777e6.jpg?v=1791662032 1,3-Di(pyridin-4-yl)benzene, 95% | 170165-79-4 1,3-Di(pyridin-4-yl)benzene|CS-0110394|170165-79-4 https://www.jk-sci.com/products/s57c4x-22362 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241849_a763086e-780c-418c-97d7-f023889d94e4.png?v=1791710207 α-Methylcinnamaldehyde, 92.20% | 101-39-3 α-Methylcinnamaldehyde|C4X-22362|101-39-3 https://www.jk-sci.com/products/s57c4x-22366 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3742b0d9e3ce250c3f44a500e309fb05.jpg?v=1791710202 Epalrestat Impurity 6, 97.60% | 124782-63-4 Epalrestat Impurity 6|C4X-22366|124782-63-4 https://www.jk-sci.com/products/ts246cs-0110403 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63d5d4aaef56229bd638370fcff4e82d.jpg?v=1791662032 1,4-Di(1H-1,2,4-triazol-1-yl)benzene, 98.00%+ | 1435710-71-6 1,4-Di(1H-1,2,4-triazol-1-yl)benzene|CS-0110403|1435710-71-6 https://www.jk-sci.com/products/ts246cs-0110408 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d3096a253fe28a6921198a84b248031.jpg?v=1791662025 2,2'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane), 97% | 1447669-03-5 2,2'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)|CS-0110408|1447669-03-5 https://www.jk-sci.com/products/s57c4x-22363 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7f5ebb1b00b3a75e94ed15e4ae3d3a9.jpg?v=1791710203 Epalrestat Impurity 3, 98.20% | 794510-29-5 Epalrestat Impurity 3|C4X-22363|794510-29-5 https://www.jk-sci.com/products/ts246cs-0110432 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b80929d907a47d94fb49ed5a0154029.jpg?v=1791662012 2,2'-Bi-1H-benzimidazole, 95% | 6965-02-2 2,2'-Bi-1H-benzimidazole|CS-0110432|6965-02-2 https://www.jk-sci.com/products/s57c4x-22384 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0171a5646f3e233c45c81c5f43160a1.jpg?v=1791710189 Isosorbide Dinitrate Impurity 4, 94.90% | 39813-48-4 Isosorbide Dinitrate Impurity 4|C4X-22384|39813-48-4 https://www.jk-sci.com/products/ts246cs-0110436 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524394.png?v=1791662010 1-Methyl-2-vinylbenzene,98% (stabilized with TBC), 95% (stabilized with TBC) | 611-15-4 1-Methyl-2-vinylbenzene,98% (stabilized with TBC)|CS-0110436|611-15-4 https://www.jk-sci.com/products/s57c4x-22417 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fe7fe5c9-71ef-433b-959f-af8c481842c1.png?v=1791710178 Calcium Folinate EP Impurity E calcium salt, Purity: 98.0% Calcium Folinate EP Impurity E calcium salt|C4X-22417 https://www.jk-sci.com/products/s57c4x-22377 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e756029803d3f10f78d62430967c0dcd.jpg?v=1791710195 Guaiazulene Impurity 7, 93.30% | 65757-01-9 Guaiazulene Impurity 7|C4X-22377|65757-01-9 https://www.jk-sci.com/products/s57c4x-22401 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312619_f798f65a-e103-4c27-9dbb-62d04d515bb5.png?v=1791710179 Anagrelide Impurity 1, 90.90% | 70380-49-3 Anagrelide Impurity 1|C4X-22401|70380-49-3 https://www.jk-sci.com/products/s57c4x-22386 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01d19c6e6b931f6f91788cc1c021019d.jpg?v=1791710183 Isosorbide Dinitrate Impurity 6, 90.40% | 65940-93-4 Isosorbide Dinitrate Impurity 6|C4X-22386|65940-93-4 https://www.jk-sci.com/products/s57c4x-223821 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a575152a37953b5d2a5d44c963bd9ea.jpg?v=1791710195 Isosorbide Impurity 21, 96.30% | 28218-55-5 Isosorbide Impurity 21|C4X-223821|28218-55-5 https://www.jk-sci.com/products/ts246cs-0110440 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd5ca0650a27c502b6097f1b92f43aae.jpg?v=1791662007 2-(1H-1,2,4-Triazol-1-yl)benzene-1,3,5-tricarboxylic acid, 98% | 2111824-48-5 2-(1H-1,2,4-Triazol-1-yl)benzene-1,3,5-tricarboxylic acid|CS-0110440|2111824-48-5 https://www.jk-sci.com/products/s57c4x-22421 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157698_6c9db034-7c7a-4d29-a57c-e09364436ec7.png?v=1791710173 Alendronate Sodium Trihydrate, 99.20% | 121268-17-5 Alendronate Sodium Trihydrate|C4X-22421|121268-17-5 https://www.jk-sci.com/products/s57c4x-22442 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210272.png?v=1791710169 Ibandronic Impurity 2, Purity: 97.4% | 625120-81-2 Ibandronic Impurity 2|C4X-22442|625120-81-2 https://www.jk-sci.com/products/ts246cs-0110468 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46574b06998e866ed482925a4b91b554.jpg?v=1791661995 N,N'-Dimethyl-N,N'-bis(2-pyridylmethyl)ethane-1,2-diamine, 97% | 136768-57-5 N,N'-Dimethyl-N,N'-bis(2-pyridylmethyl)ethane-1,2-diamine|CS-0110468|136768-57-5 https://www.jk-sci.com/products/s57c4x-22522 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b83a8b2e23d734abddac3841749abf.jpg?v=1791710139 Metaraminol Impurity 2(L-(+)-Tartaric Acid), 95.10% | 27303-40-8 Metaraminol Impurity 2(L-(+)-Tartaric Acid)|C4X-22522|27303-40-8 https://www.jk-sci.com/products/s57c4x-22505 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84132272c155b3a865be2883a995115d.jpg?v=1791710155 Benzbromarone EP Impurity A, 97.90% | 94729-09-6 Benzbromarone EP Impurity A|C4X-22505|94729-09-6 https://www.jk-sci.com/products/s57c4x-22511 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/19bd73b66eef7c9f2775ab51900b3b97.jpg?v=1791710150 Maytansinoid DM1, 98.80% | 139504-50-0 Maytansinoid DM1|C4X-22511|139504-50-0 https://www.jk-sci.com/products/ts246cs-0106254 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302019_27194b90-559c-4b31-a3ce-28da08a6460b.png?v=1791663185 (R)-(+)-1,1-Bis(4-methoxyphenyl)-3-methyl-1,2-butanediamine, 97% | 166764-19-8 (R)-(+)-1,1-Bis(4-methoxyphenyl)-3-methyl-1,2-butanediamine|CS-0106254|166764-19-8 https://www.jk-sci.com/products/s57c4x-22473 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369982.png?v=1791710164 Phentolamine Mesilate EP Impurity C, 95.60% | 61537-49-3 Phentolamine Mesilate EP Impurity C|C4X-22473|61537-49-3 https://www.jk-sci.com/products/s57c4x-225211 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52b0636ed13a3880d951bc34779873d6.jpg?v=1791710146 Metaraminol Impurity 11, 99.80% | 871875-57-9 Metaraminol Impurity 11|C4X-225211|871875-57-9 https://www.jk-sci.com/products/ts246cs-0108324 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202b6156e8d4459e03a22adef2861e40.jpg?v=1793048630 2-Mesityl-5,6-dihydro-8H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate, 98% | 2170152-85-7 2-Mesityl-5,6-dihydro-8H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate|CS-0108324|2170152-85-7 https://www.jk-sci.com/products/s57c4x-225266 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d1314ac-2bcd-4438-906e-6ebf06d21cda.png?v=1791710127 Metaraminol Impurity 66, 93.70% Metaraminol Impurity 66|C4X-225266 https://www.jk-sci.com/products/s57c4x-22501 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cec84440111563b5ff14ce38dd8d4b51.jpg?v=1791710167 Benzbromarone EP Impurity B, 98.30% | 1402819-05-9 Benzbromarone EP Impurity B|C4X-22501|1402819-05-9 https://www.jk-sci.com/products/ts246cs-0108744 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3456a8dcf60109481672e5df35ed2d0e.jpg?v=1791662612 3-Fluoro-5-hydroxybenzaldehyde, 98% | 1023290-12-1 3-Fluoro-5-hydroxybenzaldehyde|CS-0108744|1023290-12-1 https://www.jk-sci.com/products/s57c4x-225261 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393781.png?v=1791710134 Metaraminol Impurity 61, 99.90% | 26607-51-2 Metaraminol Impurity 61|C4X-225261|26607-51-2 https://www.jk-sci.com/products/s57c4x-225216 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9242d95653970ac03ece1624319c811c.jpg?v=1791710145 Metaraminol Impurity 16, 99.50% | 37951-47-6 Metaraminol Impurity 16|C4X-225216|37951-47-6 https://www.jk-sci.com/products/s57c4x-2253 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d7418d2c0c8efec85f5291615869692.jpg?v=1791710122 Bilastine, 99.70% | 202189-78-4 Bilastine|C4X-2253|202189-78-4 https://www.jk-sci.com/products/s57c4x-22532 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed4c18964a7766437ded75853f027aef.jpg?v=1791710112 Bilastine Impurity 2, 92.80% | 1638785-23-5 Bilastine Impurity 2|C4X-22532|1638785-23-5 https://www.jk-sci.com/products/s57c4x-225316 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c701c88b0d356ca9768d54fc5e43c53e.jpg?v=1791710117 Bilastine Impurity 16, 91.50% | 2411093-91-7 Bilastine Impurity 16|C4X-225316|2411093-91-7 https://www.jk-sci.com/products/s57c4x-225312 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51aa81b8d83f9d55943303e149bfe755.jpg?v=1791710123 Bilastine Impurity 12, 90.40% | 2099128-83-1 Bilastine Impurity 12|C4X-225312|2099128-83-1 https://www.jk-sci.com/products/s57c4x-225322 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_067d0053-f211-461f-b758-5e561834548d.png?v=1791710111 Bilastine Impurity 22, 97.40% Bilastine Impurity 22|C4X-225322 https://www.jk-sci.com/products/s57c4x-225324 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dcc33a6651350f148e50061aa3a0312.jpg?v=1791710107 Bilastine Impurity 9 HCl, 86.90% | 1841081-72-8 Bilastine Impurity 9 HCl|C4X-225324|1841081-72-8 https://www.jk-sci.com/products/s57c4x-22533 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b975e2f8b3b52fe4d590a0997ae4cfda.jpg?v=1791710100 Bilastine Impurity 3, 93.20% | 202189-83-1 Bilastine Impurity 3|C4X-22533|202189-83-1 https://www.jk-sci.com/products/s57c4x-19329 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eff6e22963fc183037c7072b78f6c0b1.jpg?v=1791712252 Desacetyllanatoside C, Purity: 100.0% | 17598-65-1 Desacetyllanatoside C|C4X-19329|17598-65-1 https://www.jk-sci.com/products/s57c4x-19887 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ef39da22-6112-4ea9-9ac4-346917424f95.png?v=1791711727 Rac-Melphalan EP Impurity G Ditrifluoroacetate (Rac-Melphalan Dimer Ditrifluoroacetate), 95.80% Rac-Melphalan EP Impurity G Ditrifluoroacetate (Rac-Melphalan Dimer Ditrifluoroacetate)|C4X-19887 https://www.jk-sci.com/products/ts246cs-0108411 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59d17460d5d0c5e138f334788c0a6c1f.jpg?v=1791662728 N-Boc-PEG7-alcohol, 97% | 1292268-13-3 N-Boc-PEG7-alcohol|CS-0108411|1292268-13-3 https://www.jk-sci.com/products/s57c4x-20296 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a85ad97551f64d4792081697d42ed1d7.jpg?v=1791711338 Ebastine EP Impurity F, 91.90% | 1429071-63-5 Ebastine EP Impurity F|C4X-20296|1429071-63-5 https://www.jk-sci.com/products/ts246cs-0108849 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9914c453fcaa784550672fcf331f7aee.jpg?v=1791662539 Tos-PEG6-CH2-Boc, 97% | 1530777-90-2 Tos-PEG6-CH2-Boc|CS-0108849|1530777-90-2 https://www.jk-sci.com/products/ts246cs-0109291 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378226_c7ee7818-91b7-4b95-a6f7-77be35adbade.png?v=1791662456 2-Ethylhexyl 2-cyanoacetate, 97% | 13361-34-7 2-Ethylhexyl 2-cyanoacetate|CS-0109291|13361-34-7 https://www.jk-sci.com/products/ts246cs-0109660 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e44bce6c34338cad6b712416a3169b00.jpg?v=1791662359 (5-Formyl-4-methylthiophen-2-yl)boronic acid, 98.85%+ | 352530-25-7 (5-Formyl-4-methylthiophen-2-yl)boronic acid|CS-0109660|352530-25-7 https://www.jk-sci.com/products/ts246cs-0109752 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e0acda83b4de41b3a073566b000b221.jpg?v=1791662336 5-Nitrobenzo[d]isothiazol-3(2H)-one 1,1-dioxide, 97% | 22952-20-1 5-Nitrobenzo[d]isothiazol-3(2H)-one 1,1-dioxide|CS-0109752|22952-20-1 https://www.jk-sci.com/products/ts246cs-0109802 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/966377c063a839e2a54838a633ac3dc4.jpg?v=1791662319 5-(Difluoromethyl)-1-methyl-1,2-dihydro-3H-pyrazol-3-one, 97% | 121303-75-1 5-(Difluoromethyl)-1-methyl-1,2-dihydro-3H-pyrazol-3-one|CS-0109802|121303-75-1 https://www.jk-sci.com/products/s57c4x-204522 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9be77e19-fa3a-4516-940e-53ea3e99d8e3.png?v=1791711205 Osimertinib Impurity 22, 95.60% Osimertinib Impurity 22|C4X-204522 https://www.jk-sci.com/products/s57c4x-20651 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260712_99487864-0fc8-40d9-987d-099ef1b084b7.png?v=1791711090 Tolperisone Impurity 1, 92.60% | 492-38-6 Tolperisone Impurity 1|C4X-20651|492-38-6 https://www.jk-sci.com/products/ts246cs-0109880 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92a7f5ad465751bec9c89d65f6add39b.jpg?v=1791662294 6-(Trifluoromethyl)quinazolin-4(3H)-one, 96.00%+ | 16544-67-5 6-(Trifluoromethyl)quinazolin-4(3H)-one|CS-0109880|16544-67-5 https://www.jk-sci.com/products/s57c4x-20718 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48e01602fe522949a0989d5fe980c2c0.jpg?v=1791711028 Clofazimine Impurity 8, 95.60% | 25413-76-7 Clofazimine Impurity 8|C4X-20718|25413-76-7 https://www.jk-sci.com/products/s57c4x-2058 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1189961_a17b24ab-75a7-4fcb-8e31-ddd4538a69e7.png?v=1791711146 Ruxolitinib, 99.7% | 941678-49-5 Ruxolitinib|C4X-2058|941678-49-5 https://www.jk-sci.com/products/ts246cs-0109949 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11316b8faae357518714e6aeed60f754.jpg?v=1791662259 [2,2'-Bis (4-tert-butylpyridine)] bis [2- (4-fluorophenyl) pyridine] iridium (III) hexafluorophosphate, 95% | 1449110-90-0 [2,2'-Bis (4-tert-butylpyridine)] bis [2- (4-fluorophenyl) pyridine] iridium (III) hexafluorophosphate|CS-0109949|1449110-90-0 https://www.jk-sci.com/products/s57c4x-208416 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2f422172-f00f-4563-918a-ba7460d9ebab.png?v=1791710974 Lusutrombopag Impurity 16, 98.20% Lusutrombopag Impurity 16|C4X-208416 https://www.jk-sci.com/products/s57c4x-20857 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e49f679999fd05d297a90804b98e8f9.jpg?v=1791710925 Nicergoline EP Impurity G, 98.80% | 57935-65-6 Nicergoline EP Impurity G|C4X-20857|57935-65-6 https://www.jk-sci.com/products/ts246cs-0109987 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ea788acbe5ebd7033bf5235e32b1980.jpg?v=1791662243 4,6-Dichloro-5-fluoropyrimidin-2-amine, 95% | 15598-33-1 4,6-Dichloro-5-fluoropyrimidin-2-amine|CS-0109987|15598-33-1 https://www.jk-sci.com/products/s57c4x-209511 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349267_0c60d74b-0a62-4b23-b6a9-7797264e01ea.png?v=1791710900 D-Mannose-6-phosphate Sodium Salt, Purity: 100.0% | 70442-25-0 D-Mannose-6-phosphate Sodium Salt|C4X-209511|70442-25-0 https://www.jk-sci.com/products/ts246cs-0110027 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464143_84293679-5bdd-4ffe-a7e1-27f5f29804e2.png?v=1791662216 5-Iodo-2-methoxybenzaldehyde, 98% | 42298-41-9 5-Iodo-2-methoxybenzaldehyde|CS-0110027|42298-41-9 https://www.jk-sci.com/products/s57c4x-21032 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2ae1169c-ca20-4092-be4a-f81410c27e21.png?v=1791710858 Carboprost Trometamol EP Impurity A Tromethamine Salt, 95.10% Carboprost Trometamol EP Impurity A Tromethamine Salt|C4X-21032 https://www.jk-sci.com/products/s57c4x-2108110 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6d327cae-e443-4985-9bc7-02833efcc8ca.png?v=1791710822 Baloxavir Impurity 110, 97.60% Baloxavir Impurity 110|C4X-2108110 https://www.jk-sci.com/products/ts246cs-0110046 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecda371988eeed01157655e68f846ca4.jpg?v=1791662198 4',4''',4'''''-(1,3,5-Triazine-2,4,6-triyl)tris(([1,1'-biphenyl]-4-carboxylic acid)), 97% | 1331756-62-7 4',4''',4'''''-(1,3,5-Triazine-2,4,6-triyl)tris(([1,1'-biphenyl]-4-carboxylic acid))|CS-0110046|1331756-62-7 https://www.jk-sci.com/products/ts246cs-0110093 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/837b9819c6fc40cf7e3bbed41f47f06e.jpg?v=1791662169 Ethyl 3-bromo-1-methyl-1H-pyrazole-4-carboxylate, 98% | 139308-52-4 Ethyl 3-bromo-1-methyl-1H-pyrazole-4-carboxylate|CS-0110093|139308-52-4 https://www.jk-sci.com/products/s57c4x-210835 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dbfa1455-ffb3-4e3b-877f-9fb49adfb19c.png?v=1791710797 Baloxavir Impurity 35, 98.70% Baloxavir Impurity 35|C4X-210835 https://www.jk-sci.com/products/s57c4x-21141 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bad97fa3-c4bc-4251-be47-b29484b0f308.png?v=1791710766 Camphor Sulfonic Acid Ethyl Ester, 100.00% Camphor Sulfonic Acid Ethyl Ester|C4X-21141 https://www.jk-sci.com/products/s57c4x-2123 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7f89fcd5c99f8abf3a66e356408faaf.jpg?v=1791710732 Sivelestat sodium tetrahydrate, 99.50% | 201677-61-4 Sivelestat sodium tetrahydrate|C4X-2123|201677-61-4 https://www.jk-sci.com/products/ts246cs-0110171 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241557_7a113712-75c0-4215-90a9-d236ece6e228.png?v=1791662153 Tris(4,7-diphenyl-1,10-phenanthroline)ruthenium(II) dichloride, 95.06%+ | 36309-88-3 Tris(4,7-diphenyl-1,10-phenanthroline)ruthenium(II) dichloride|CS-0110171|36309-88-3 https://www.jk-sci.com/products/s57c4x-21491 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02080901c7a95c68de6a09b426815519.jpg?v=1791710668 Diquafosol Tetrasodium Salt, 90.20% | 211427-08-6 Diquafosol Tetrasodium Salt|C4X-21491|211427-08-6 https://www.jk-sci.com/products/ts246cs-0110223 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d15e4dad43fe7e1a75ad02b7ae1e5ccc.jpg?v=1791662135 [1,1':3',1''-Terphenyl]-4,4''-dicarboxylic acid, 98% | 13215-72-0 [1,1':3',1''-Terphenyl]-4,4''-dicarboxylic acid|CS-0110223|13215-72-0 https://www.jk-sci.com/products/s57c4x-21495 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_36bfa7fb-113c-4767-b9cb-ea784513bd57.png?v=1791710652 Diquafosol Impurity 5, 87.1% Assay(Free base): 76.9% Diquafosol Impurity 5|C4X-21495 https://www.jk-sci.com/products/s57c4x-21403 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f735855c52eff3005284c8cb047319bc.jpg?v=1791710706 Eldecalcitol Impurity 3, 96.90% | 861996-34-1 Eldecalcitol Impurity 3|C4X-21403|861996-34-1 https://www.jk-sci.com/products/ts246cs-0110276 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601941_f80e1d61-8fab-434b-89bb-5c1c7a2472db.png?v=1793048566 [2,2':6',2''-terpyridine]-4'-carbaldehyde, 95% | 108295-45-0 [2,2':6',2''-terpyridine]-4'-carbaldehyde|CS-0110276|108295-45-0 https://www.jk-sci.com/products/ts246cs-0110315 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da349c7a36d63aae8c615fea2250756.jpg?v=1791662091 1,1,2,2-Tetrakis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethene, 95% | 1660996-72-4 1,1,2,2-Tetrakis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethene|CS-0110315|1660996-72-4 https://www.jk-sci.com/products/s57c4x-21507 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4257a91d-80bc-496c-926b-6226c24b9904.png?v=1791710641 Topicamide lmpurity 7, 41.40% Topicamide lmpurity 7|C4X-21507 https://www.jk-sci.com/products/ts246cs-0110380 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/448328.png?v=1791662043 1,3,5-Triazine-2,4-diamine, 96% | 504-08-5 1,3,5-Triazine-2,4-diamine|CS-0110380|504-08-5 https://www.jk-sci.com/products/ts246cs-0110398 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1db596b5821f89dea934490934b98c08.jpg?v=1791662032 1,4-Bis(2-methyl-1H-imidazol-1-yl)benzene, 98% | 1347702-71-9 1,4-Bis(2-methyl-1H-imidazol-1-yl)benzene|CS-0110398|1347702-71-9 https://www.jk-sci.com/products/s57c4x-21588 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3404ddd599f60bc9265c2a53a21fbc6e.jpg?v=1791710625 (Z)-Pralidoxime Chloride, Purity: 96.3% | 13698-37-8 (Z)-Pralidoxime Chloride|C4X-21588|13698-37-8 https://www.jk-sci.com/products/s57c4x-217116 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109806_9fdc2b56-f6bf-431f-859f-72081bcef4d9.png?v=1791710612 2-Monostearin, 82.80% | 621-61-4 2-Monostearin|C4X-217116|621-61-4 https://www.jk-sci.com/products/s57c4x-218015 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e32cf989f9859b25e7266572c07fc01f.jpg?v=1791710599 Fluralaner Impurity 15, Purity: 99.8% | 1805814-99-6 Fluralaner Impurity 15|C4X-218015|1805814-99-6 https://www.jk-sci.com/products/ts246cs-0110426 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bfe56b2ea71e615d1802d3b29e299cc.jpg?v=1791662018 1,4-Diethynyl-2,5-dimethoxybenzene, 96% | 74029-40-6 1,4-Diethynyl-2,5-dimethoxybenzene|CS-0110426|74029-40-6 https://www.jk-sci.com/products/ts246cs-0110437 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138713_67fe4e5c-55cb-4180-8487-f2da087ac37e.png?v=1791662009 1-Methyl-3-vinylbenzene,98% (stabilized with TBC), 96% (stabilized with TBC) | 100-80-1 1-Methyl-3-vinylbenzene,98% (stabilized with TBC)|CS-0110437|100-80-1 https://www.jk-sci.com/products/s57c4x-21806 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae3211c238c8381cc14a2ab1f9aff570.jpg?v=1791710588 Fluralaner Impurity 6, 98.80% | 864725-62-2 Fluralaner Impurity 6|C4X-21806|864725-62-2 https://www.jk-sci.com/products/s57c4x-219913 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f7dbae6606e72104fe7918ec0fd626c.jpg?v=1791710541 Berberine Impurity 13, 89.30% | 55971-02-3 Berberine Impurity 13|C4X-219913|55971-02-3 https://www.jk-sci.com/products/s57c4x-218914 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1c2274126b32b71fba211c882518333.jpg?v=1791710571 Bempedoic Acid Intermediate Impurity 14, 99.10% | 413624-71-2 Bempedoic Acid Intermediate Impurity 14|C4X-218914|413624-71-2 https://www.jk-sci.com/products/s57c4x-219611 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_48bfcb71-8fb4-4280-9e67-b957ef55232d.png?v=1791710555 Morinidazole Impurity 11, 98.40% Morinidazole Impurity 11|C4X-219611 https://www.jk-sci.com/products/ts246cs-0110475 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac90ebd571346415adb6ff9713d9d31e.jpg?v=1791661991 5-Hydroxy-benzene-1,3-dicarbaldehyde, 98.00%+ | 144876-14-2 5-Hydroxy-benzene-1,3-dicarbaldehyde|CS-0110475|144876-14-2 https://www.jk-sci.com/products/ts246cs-0110531 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f0ce8a5fbabb48846cb3c6d18466ed8.jpg?v=1791661980 4,4',4'',4'''-Methanetetrayltetraphenol, 97.00%+ | 53184-78-4 4,4',4'',4'''-Methanetetrayltetraphenol|CS-0110531|53184-78-4 https://www.jk-sci.com/products/s57c4x-22013 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0f7ab93e-10f2-471e-a39c-21bedf68bcbc.png?v=1791710523 Lumateperone Impurity 3, 95.00% Lumateperone Impurity 3|C4X-22013 https://www.jk-sci.com/products/s57c4x-220725 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20e9a4f663ab5935d2bb58203bb11a22.jpg?v=1791710504 2,3-Epoxide Vitamin K1 (Mixture of Diastereomers), 98.10% | 1588773-08-3 2,3-Epoxide Vitamin K1 (Mixture of Diastereomers)|C4X-220725|1588773-08-3 https://www.jk-sci.com/products/ts246cs-0110550 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4a3fb5e7887ff5883762a427d42d75c.jpg?v=1791661968 9,10-Diethynylanthracene, 98% | 18512-55-5 9,10-Diethynylanthracene|CS-0110550|18512-55-5 https://www.jk-sci.com/products/ts246cs-0110559 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/837ce45eeb7e228001ae48d16e8ff1ae.jpg?v=1791661956 Bis(2-(3,5-dimethylphenyl)quinoline-C2,N)(acetylacetonato)iridium(III), 98% | 1056874-46-4 Bis(2-(3,5-dimethylphenyl)quinoline-C2,N)(acetylacetonato)iridium(III)|CS-0110559|1056874-46-4 https://www.jk-sci.com/products/ts246cs-0110563 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95d2b658173f79735662472093570420.jpg?v=1791661956 4,4',4'',4'''-Silanetetrayltetrabenzaldehyde, 95% | 1055999-34-2 4,4',4'',4'''-Silanetetrayltetrabenzaldehyde|CS-0110563|1055999-34-2 https://www.jk-sci.com/products/ts246cs-0110568 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/035f3e44c3ab1dd6a5be2ec532e5a620.jpg?v=1791661945 6-Chloro-2-cyclopropyl-7-fluoro-1H-indole, 96% | 1188182-26-4 6-Chloro-2-cyclopropyl-7-fluoro-1H-indole|CS-0110568|1188182-26-4 https://www.jk-sci.com/products/s57c4x-221117 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297575_02d0b7ca-a96a-4dde-99b7-187047b070df.png?v=1791710474 Lysine Impurity 17, 94.30% | 923-27-3 Lysine Impurity 17|C4X-221117|923-27-3 https://www.jk-sci.com/products/s57c4x-22075 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/296415_b8e75e55-c6b2-47b9-a539-6e5b20901c9f.png?v=1791710489 Vitamin K1 Impurity 5, 98.60% | 483-55-6 Vitamin K1 Impurity 5|C4X-22075|483-55-6 https://www.jk-sci.com/products/s57c4x-22131 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f7b1e2b4d7469917bf6dfa5c183e26e.jpg?v=1791710465 Roxadustat Impurity 1, 95.60% | 2301113-15-3 Roxadustat Impurity 1|C4X-22131|2301113-15-3 https://www.jk-sci.com/products/s57c4x-221524 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e04962b1-dd41-4016-9329-7a35fda2e7fb.png?v=1791710397 Desmopressin EP Impurity B, 98.40% Desmopressin EP Impurity B|C4X-221524 https://www.jk-sci.com/products/s57c4x-221319 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ce8f2c53-b606-4613-881d-30293dabd11e.png?v=1791710441 Roxadustat Impurity 19, 97.50% Roxadustat Impurity 19|C4X-221319 https://www.jk-sci.com/products/s57c4x-2215 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473406_a8ab3838-b2f3-48eb-87cf-07404501f99c.png?v=1791710408 Desmopressin, 90.10% | 16789-98-3 Desmopressin|C4X-2215|16789-98-3 https://www.jk-sci.com/products/s57c4x-22154 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7bbe1a7e-882b-43dc-9859-40ee4169fd39.png?v=1791710385 Desmopressin EP Impurity D TFA salt, Purity: 98.5% Desmopressin EP Impurity D TFA salt|C4X-22154 https://www.jk-sci.com/products/s57c4x-221714 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435829_2b9fd425-47f5-4c24-a9cf-787cd78c4c73.png?v=1791710379 Phloroglucinol Impurity 14, 98.30% | 7051-16-3 Phloroglucinol Impurity 14|C4X-221714|7051-16-3 https://www.jk-sci.com/products/s57c4x-221728 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318976_93537a42-2bb3-4dc8-832f-d1c6f260fcfe.png?v=1791710371 Phloroglucinol Impurity 28, 93.50% | 500-99-2 Phloroglucinol Impurity 28|C4X-221728|500-99-2 https://www.jk-sci.com/products/ts246cs-0110576 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dc4a4c3a-ad63-4d7d-9a40-517320fdc7a4.png?v=1791661937 (Ir[dF(F)ppy]2(dCF3))PF6, 97.00%+ | 2030437-90-0 (Ir[dF(F)ppy]2(dCF3))PF6|CS-0110576|2030437-90-0 https://www.jk-sci.com/products/s57c4x-22134 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b1837d10-e427-489d-979d-d3c9122b78fb.png?v=1791710427 Roxadustat Impurity 4, 91.90% Roxadustat Impurity 4|C4X-22134 https://www.jk-sci.com/products/s57c4x-221732 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230048_06927261-a2a7-4b12-a801-4b98f286ab5d.png?v=1791710364 Phloroglucinol Impurity 32, Purity: 95.6% | 83-30-7 Phloroglucinol Impurity 32|C4X-221732|83-30-7 https://www.jk-sci.com/products/ts246cs-0110605 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fcd20bc3a1808a56cf5fb9039431f1a.jpg?v=1791661921 Potassiumbis(fluorosulfonyl)imide, 97.00%+ | 14984-76-0 Potassiumbis(fluorosulfonyl)imide|CS-0110605|14984-76-0 https://www.jk-sci.com/products/ts246cs-0110620 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b830817dc33af6675e8a45ef014af106.jpg?v=1791661906 tert-Butyl (5-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)pent-4-yn-1-yl)carbamate, 98.70%+ | 2136248-15-0 tert-Butyl (5-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)pent-4-yn-1-yl)carbamate|CS-0110620|2136248-15-0 https://www.jk-sci.com/products/s57c4x-221769 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac99a1838325854fc63e4641059f007d.jpg?v=1791710359 Phloroglucinol Impurity 69, 95.50% | 53254-99-2 Phloroglucinol Impurity 69|C4X-221769|53254-99-2 https://www.jk-sci.com/products/s57c4x-221812 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_073f0437-b7ee-4437-a445-d9a43bea1122.png?v=1791710354 Calcitonin Impurities 12, Purity: 98.4% Calcitonin Impurities 12|C4X-221812 https://www.jk-sci.com/products/ts246cs-0110659 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77e2fb76723c18377c47b1423ae83bf3.jpg?v=1791661885 5,5'-Divinyl-2,2'-bipyridine, 95% | 932396-96-8 5,5'-Divinyl-2,2'-bipyridine|CS-0110659|932396-96-8 https://www.jk-sci.com/products/s57c4x-22186 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_18005040-3429-4fd8-bd80-64eed5f61e21.png?v=1791710343 Calcitonin EP Impurity F, Purity: 96.3% Calcitonin EP Impurity F|C4X-22186 https://www.jk-sci.com/products/ts246cs-0110693 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb391b40cb8ca072498ce56acae6577e.jpg?v=1791661877 4,4'-(1,3,6,8-Tetraoxo-1,3,6,8-tetrahydrobenzo[lmn][3,8]phenanthroline-2,7-diyl)dibenzoic acid, 95% | 49546-06-7 4,4'-(1,3,6,8-Tetraoxo-1,3,6,8-tetrahydrobenzo[lmn][3,8]phenanthroline-2,7-diyl)dibenzoic acid|CS-0110693|49546-06-7 https://www.jk-sci.com/products/s57c4x-22246 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211364_b005e134-4d17-40b6-b212-30b729ed64d9.png?v=1791710333 Silicristin, 92.30% | 33889-69-9 Silicristin|C4X-22246|33889-69-9 https://www.jk-sci.com/products/s57c4x-2226101 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dd538207-7c82-4f5a-989b-412c1915b700.png?v=1791710327 Semaglutide impurity 101, Purity: 97.4% Semaglutide impurity 101|C4X-2226101 https://www.jk-sci.com/products/ts246cs-0110706 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22b822de2c682bfb5428ffda4dae680b.jpg?v=1791661865 2,4,6-Tri(1H-imidazol-1-yl)-1,3,5-triazine, 97% | 14445-75-1 2,4,6-Tri(1H-imidazol-1-yl)-1,3,5-triazine|CS-0110706|14445-75-1 https://www.jk-sci.com/products/s57c4x-2226120 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dae64cfb-2e19-4ba7-91db-f9fbf4baffeb.png?v=1791710318 Boc-His-Aib-Glu(OtBu)-Gly-OH, 93.10% Boc-His-Aib-Glu(OtBu)-Gly-OH|C4X-2226120 https://www.jk-sci.com/products/ts246cs-0110715 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d444efe4a3bd5ac6f1b972916c5fb88f.jpg?v=1791661853 2,5-Di(pyridin-4-yl)-1,3,4-oxadiazole, 96% | 15420-02-7 2,5-Di(pyridin-4-yl)-1,3,4-oxadiazole|CS-0110715|15420-02-7 https://www.jk-sci.com/products/ts246cs-0110733 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2ce28c28bd3af4b64ca92b5c0383272.jpg?v=1791661841 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))trianiline, 95% | 326002-91-9 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))trianiline|CS-0110733|326002-91-9 https://www.jk-sci.com/products/s57c4x-222650 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82fe95240acc9ac4771ac7df4fce9542.jpg?v=1791710312 Semaglutide impurity 50, Purity: 93.9% | 2773558-66-8 Semaglutide impurity 50|C4X-222650|2773558-66-8 https://www.jk-sci.com/products/s57c4x-222698 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5dfd75c6-cf73-4592-8138-543619cad8b1.png?v=1791710307 Semaglutide impurity 98, Purity: 97.6% Semaglutide impurity 98|C4X-222698 https://www.jk-sci.com/products/s57c4x-222919 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/118846_44ff519b-057d-43b7-ac10-8548a9a35cde.png?v=1791710292 Pirfenidone EP Impurity B, 100.00% | 1003-68-5 Pirfenidone EP Impurity B|C4X-222919|1003-68-5 https://www.jk-sci.com/products/s57c4x-22312-ss 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138865_8500474d-90d4-4a1d-99b7-ed93ff4b4bc6.png?v=1791710280 Glyceryl Trinitrate Solution EP Impurity B, Purity: 0.0% | 624-43-1 Glyceryl Trinitrate Solution EP Impurity B|C4X-22312-SS|624-43-1 https://www.jk-sci.com/products/s57c4x-22322 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143208_918fcc8e-bbdb-4bb2-aaaf-cd6df45f6dde.png?v=1791710270 Pethidine EP Impurity B HCl, Purity: 100.0% | 23007-85-4 Pethidine EP Impurity B HCl|C4X-22322|23007-85-4 https://www.jk-sci.com/products/s57c4x-22342 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61a830cf9c12e6f7327535d8345058e1.jpg?v=1791710259 Avatrombopag Impurity 2, 90.50% | 2681355-40-6 Avatrombopag Impurity 2|C4X-22342|2681355-40-6 https://www.jk-sci.com/products/s57c4x-223428 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_28fe57e7-a6d7-4cd8-88d5-4de58a554316.png?v=1791710249 Avatrombopag Impurity 28, 98.00% Avatrombopag Impurity 28|C4X-223428 https://www.jk-sci.com/products/ts246cs-0110739 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/638f50ae489114bb2e42b02c0358c8d9.jpg?v=1791661830 2,5-Diethynylbenzene-1,4-diamine, 98% | 1141727-54-9 2,5-Diethynylbenzene-1,4-diamine|CS-0110739|1141727-54-9 https://www.jk-sci.com/products/ts246cs-0110747 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/240256.png?v=1791661818 2,5-Dimethylterephthalonitrile, 95.00%+ | 39095-25-5 2,5-Dimethylterephthalonitrile|CS-0110747|39095-25-5 https://www.jk-sci.com/products/s57c4x-223431 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270230_2779f4d0-38fd-4de9-b5a7-97ec0bd712dd.png?v=1791710244 Avatrombopag Impurity 31, 97.30% | 1126-09-6 Avatrombopag Impurity 31|C4X-223431|1126-09-6 https://www.jk-sci.com/products/ts246cs-0110786 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90e26ed7f29adcd29edd3505b5bf8901.jpg?v=1791661788 5-(1H-Pyrazol-4-yl)isophthalic acid, 97% | 1108726-74-4 5-(1H-Pyrazol-4-yl)isophthalic acid|CS-0110786|1108726-74-4 https://www.jk-sci.com/products/ts246cs-0110800 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e542c6fa88eaf4bb3309c3d33323b8db.jpg?v=1791661782 3,3'-(Pyridine-2,6-diyl)dibenzoic acid, 99.87%+ | 1258419-69-0 3,3'-(Pyridine-2,6-diyl)dibenzoic acid|CS-0110800|1258419-69-0 https://www.jk-sci.com/products/ts246cs-0110817 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/620288.png?v=1791661768 3,3-Dimethyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine, 97% | 255901-50-9 3,3-Dimethyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine|CS-0110817|255901-50-9 https://www.jk-sci.com/products/ts246cs-0110820 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c085ff134663a623d6ed2ad922dd65c.jpg?v=1793048501 Bis(triphenylphosphino)(2-methylphenyl)chloronickel(II), 97.00%+ | 27057-09-6 Bis(triphenylphosphino)(2-methylphenyl)chloronickel(II)|CS-0110820|27057-09-6 https://www.jk-sci.com/products/ts246cs-0110850 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87a100ef4683b58551f19b2708f54e3f.jpg?v=1793048486 4,4',4''-(Benzene-1,3,5-triyltris(oxy))tribenzoic acid, 97.00%+ | 1071125-59-1 4,4',4''-(Benzene-1,3,5-triyltris(oxy))tribenzoic acid|CS-0110850|1071125-59-1 https://www.jk-sci.com/products/ts246cs-0110864 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515f0efb12c4688d078088135d4b7137_9bcd2f90-7177-40b3-8ef7-085635b5bb40.jpg?v=1791661741 3,6-Bis(5-bromothiophen-2-yl)-2,5-bis(2-ethylhexyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione, 97% | 1000623-95-9 3,6-Bis(5-bromothiophen-2-yl)-2,5-bis(2-ethylhexyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione|CS-0110864|1000623-95-9 https://www.jk-sci.com/products/ts246cs-0110873 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aab17e14c9f1e61ca1b3076ce8676ea3.jpg?v=1791661730 4,6-Dibromoisophthalonitrile, 96.76%+ | 244261-21-0 4,6-Dibromoisophthalonitrile|CS-0110873|244261-21-0 https://www.jk-sci.com/products/ts246cs-0110890 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a11c00e2accf5d670fc751cb538608e5.jpg?v=1791661724 (R,E)-3-(1-Methylpyrrolidin-2-yl)acrylic acid hydrochloride, 90% | 2243041-69-0 (R,E)-3-(1-Methylpyrrolidin-2-yl)acrylic acid hydrochloride|CS-0110890|2243041-69-0 https://www.jk-sci.com/products/ts246cs-0110908 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/266593.png?v=1791661712 4-([2,2':6',2''-Terpyridin]-4'-yl)benzaldehyde, 97% | 138253-30-2 4-([2,2':6',2''-Terpyridin]-4'-yl)benzaldehyde|CS-0110908|138253-30-2 https://www.jk-sci.com/products/ts246cs-0107557 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/908f28e56dd1995b8495055df47c5e43.jpg?v=1791662901 Propargyl-PEG8-Boc, 97% | 2055014-96-3 Propargyl-PEG8-Boc|CS-0107557|2055014-96-3 https://www.jk-sci.com/products/ts246cs-0108796 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/872d0f3e97b02e111dfedb793944acea.jpg?v=1791662561 (1H-Pyrazolo[3,4-b]pyridin-5-yl)boronic acid, 97% | 1417985-25-1 (1H-Pyrazolo[3,4-b]pyridin-5-yl)boronic acid|CS-0108796|1417985-25-1 https://www.jk-sci.com/products/ts246cs-0109489 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365474.png?v=1791662409 Bicyclo[2.2.1]hept-5-ene-2,3-diyldimethanol, 97% | 85-39-2 Bicyclo[2.2.1]hept-5-ene-2,3-diyldimethanol|CS-0109489|85-39-2 https://www.jk-sci.com/products/ts246cs-0109778 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee585209618733d040be7bd14d68433b.jpg?v=1791662324 3-Amino-5-fluoropicolinonitrile, 98% | 1374115-60-2 3-Amino-5-fluoropicolinonitrile|CS-0109778|1374115-60-2 https://www.jk-sci.com/products/s57c4x-223440 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/491085_486b12a8-1d5e-41bc-ba26-c4864cafe1fb.png?v=1791710230 Avatrombopag Impurity 40, Purity: 96.6% | 54127-63-8 Avatrombopag Impurity 40|C4X-223440|54127-63-8 https://www.jk-sci.com/products/s57c4x-223481 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/535478_052908d8-e4dc-47ae-8a45-02b52f3b8653.png?v=1791710220 Avatrombopag Impurity 81, 95.20% | 401566-69-6 Avatrombopag Impurity 81|C4X-223481|401566-69-6 https://www.jk-sci.com/products/ts246cs-0109927 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc16d16c2e656508e432bdea7b2965f3.jpg?v=1791662274 (6-Chloro-2-fluoropyridin-3-yl)boronic acid, 97% | 1256345-66-0 (6-Chloro-2-fluoropyridin-3-yl)boronic acid|CS-0109927|1256345-66-0 https://www.jk-sci.com/products/ts246cs-0109995 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b10d6f9b1a9bd2d3da64af71f841082e.jpg?v=1791662243 (2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol, 98% | 1544673-46-2 (2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol|CS-0109995|1544673-46-2 https://www.jk-sci.com/products/ts246cs-0110048 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa96873f85e500c8d0d47d8eb223f394.jpg?v=1791662191 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))tribenzoic acid, 95.00%+ | 205383-17-1 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))tribenzoic acid|CS-0110048|205383-17-1 https://www.jk-sci.com/products/ts246cs-0110183 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52ff762ee57e42b8523455d4caab4bb3_e3aff887-477c-466b-84bf-e2fc66df18b0.jpg?v=1791662149 (2-(4-Vinylphenyl)ethene-1,1,2-triyl)tribenzene, 98% | 1351272-41-7 (2-(4-Vinylphenyl)ethene-1,1,2-triyl)tribenzene|CS-0110183|1351272-41-7 https://www.jk-sci.com/products/ts246cs-0110282 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbc69348f94cedf62037926899ebaa7f.jpg?v=1791662102 [2,2'-Bipyridine]-4,4'-diyldiboronic acid, 95% | 159614-36-5 [2,2'-Bipyridine]-4,4'-diyldiboronic acid|CS-0110282|159614-36-5 https://www.jk-sci.com/products/ts246cs-0110390 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4900d4966589a4cfe16d2e08eddced67.jpg?v=1791662037 1,3-Di(1H-imidazol-1-yl)benzene, 98% | 69506-91-8 1,3-Di(1H-imidazol-1-yl)benzene|CS-0110390|69506-91-8 https://www.jk-sci.com/products/ts246cs-0110433 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d9e471a84cc695b63a3da1e2b2d5e14.jpg?v=1791662012 1H-Indazole-4,7-diamine, 97% | 918961-26-9 1H-Indazole-4,7-diamine|CS-0110433|918961-26-9 https://www.jk-sci.com/products/ts246cs-0110469 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5338de9d85250858dbb5a9f2cbc61447.jpg?v=1791661991 5'-Bromo-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid, 98% | 1250980-10-9 5'-Bromo-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid|CS-0110469|1250980-10-9 https://www.jk-sci.com/products/ts246cs-0110541 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c853ed5c86c28617c2d8db2b228c8f0e.jpg?v=1791661979 4,4',4''-Nitrilotribenzonitrile, 98% | 51545-36-9 4,4',4''-Nitrilotribenzonitrile|CS-0110541|51545-36-9 https://www.jk-sci.com/products/ts246cs-0110561 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/571296_00100d9d-0ad2-4665-af2b-c098c8ca452d.png?v=1791661956 4'-Phenyl-2,2':6',2''-terpyridine, 98% | 58345-97-4 4'-Phenyl-2,2':6',2''-terpyridine|CS-0110561|58345-97-4 https://www.jk-sci.com/products/ts246cs-0110570 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff5b46af0fcde1833f877713c9259c80.jpg?v=1791661938 Ethyl 2-fluoro-3-mercaptobenzoate, 95% | 1359983-13-3 Ethyl 2-fluoro-3-mercaptobenzoate|CS-0110570|1359983-13-3 https://www.jk-sci.com/products/ts246cs-0110611 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8843fec7f0ec10e303ed034a338ef904.jpg?v=1791661911 4'-(Pyridin-4-yl)-[1,1'-biphenyl]-3,5-dicarboxylic acid, 98% | 2022152-71-0 4'-(Pyridin-4-yl)-[1,1'-biphenyl]-3,5-dicarboxylic acid|CS-0110611|2022152-71-0 https://www.jk-sci.com/products/s57c4x-2236 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376247_3b3b088f-c006-4be6-af96-1dc2f885d162.png?v=1791710213 Epalrestat, 99.80% | 82159-09-9 Epalrestat|C4X-2236|82159-09-9 https://www.jk-sci.com/products/ts246cs-0110691 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e487efa7ec98ec0f16dc2f5c3d30851_56d0f69f-512f-42b9-b43a-b622f37c0acb.jpg?v=1791661881 4-(1,2,2-Triphenylvinyl)benzoic acid, 97% | 197153-87-0 4-(1,2,2-Triphenylvinyl)benzoic acid|CS-0110691|197153-87-0 https://www.jk-sci.com/products/ts246cs-0110713 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2877c3453b9f9bd7839f36b63b0df18b.jpg?v=1791661858 2,5-Di(1H-imidazol-1-yl)terephthalic acid, 98% | 1942879-46-0 2,5-Di(1H-imidazol-1-yl)terephthalic acid|CS-0110713|1942879-46-0 https://www.jk-sci.com/products/ts246cs-0110734 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fefd50172eaee50261949729005b01f.jpg?v=1791661841 3,6-Dibromo-4,5-difluorobenzene-1,2-diamine, 97% | 1345627-73-7 3,6-Dibromo-4,5-difluorobenzene-1,2-diamine|CS-0110734|1345627-73-7 https://www.jk-sci.com/products/ts246cs-0110780 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273705_2761211a-5073-4327-895a-ab196f3a92f3.png?v=1791661792 2-Iodoterephthalic acid, 97% | 1829-22-7 2-Iodoterephthalic acid|CS-0110780|1829-22-7 https://www.jk-sci.com/products/ts246cs-0110813 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d1ed5d3ab275afdca2844f48685cc2a.jpg?v=1791661767 3,3',5,5'-Tetramethyl-1H,1'H-4,4'-bipyrazole, 97% | 4054-67-5 3,3',5,5'-Tetramethyl-1H,1'H-4,4'-bipyrazole|CS-0110813|4054-67-5 https://www.jk-sci.com/products/ts246cs-0110842 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57efc5034d17b935e2c857126f806b22.jpg?v=1791661758 5'-(4-Carboxyphenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid, 97% | 1246562-60-6 5'-(4-Carboxyphenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid|CS-0110842|1246562-60-6 https://www.jk-sci.com/products/ts246cs-0110871 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b3b2ca929338fb35f3c0a4fe27eedfe.jpg?v=1791661730 Naphthalene-2,6-dicarbaldehyde, 95% | 5060-65-1 Naphthalene-2,6-dicarbaldehyde|CS-0110871|5060-65-1 https://www.jk-sci.com/products/ts246cs-0110892 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af325ca0ef068f8ece3c097ea3a02253.jpg?v=1791661718 1-Bromo-8-(trifluoromethyl)naphthalene, 95% | 852103-59-4 1-Bromo-8-(trifluoromethyl)naphthalene|CS-0110892|852103-59-4 https://www.jk-sci.com/products/ts246cs-0110918 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6cfcbfa9ac39e8245d74d8500a345c10.jpg?v=1791661696 4,4'-([2,2'-Bipyridine]-5,5'-diyl)dibenzoic acid, 95% | 1373759-05-7 4,4'-([2,2'-Bipyridine]-5,5'-diyl)dibenzoic acid|CS-0110918|1373759-05-7 https://www.jk-sci.com/products/ts246cs-0110923 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97791ad3cff48cff16ad7349a3709034.jpg?v=1791661691 4,4'-(1,2-Diphenyl-1,2-ethenediyl)bis[benzoic acid], 98% | 1002339-79-8 4,4'-(1,2-Diphenyl-1,2-ethenediyl)bis[benzoic acid]|CS-0110923|1002339-79-8 https://www.jk-sci.com/products/ts246cs-0110938 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cc8e6f94433bc5a460064eee5da318b.jpg?v=1791661681 4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzaldehyde, 95% | 1639134-02-3 4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzaldehyde|CS-0110938|1639134-02-3 https://www.jk-sci.com/products/ts246cs-0110959 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27bd2226eb750187ecc1e4115d6890ec.jpg?v=1791661665 4',4''',4''''',4'''''''-Methanetetrayltetrakis(([1,1'-biphenyl]-4-carboxylic acid)), 98% | 1208241-38-6 4',4''',4''''',4'''''''-Methanetetrayltetrakis(([1,1'-biphenyl]-4-carboxylic acid))|CS-0110959|1208241-38-6 https://www.jk-sci.com/products/ts246cs-0110994 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7889c3b561952eb661d727663c280589.jpg?v=1791661654 5'-(3,5-Dicarboxyphenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid, 97% | 1374764-27-8 5'-(3,5-Dicarboxyphenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid|CS-0110994|1374764-27-8 https://www.jk-sci.com/products/ts246cs-0111042 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95eb4d943e4ec901b882652e36d2e437.jpg?v=1791661644 5,5',5''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))triisophthalic acid, 95% | 1173285-13-6 5,5',5''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))triisophthalic acid|CS-0111042|1173285-13-6 https://www.jk-sci.com/products/ts246cs-0111070 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253c27fbe13bf1c32c61a5eb17450278_908d5def-529d-48bc-a246-1a0f8ae0932f.jpg?v=1791661632 MIL-100(Fe), 98% | 1195763-37-1 MIL-100(Fe)|CS-0111070|1195763-37-1 https://www.jk-sci.com/products/ts246cs-0111093 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2baa9a948fe083eb92c05d5c7186600.jpg?v=1791661616 [1,3-Bis(2,6-di-i-propylphenyl)imidazol-2-yl idene][bis(trifluoromethanesulfonyl)imide]gold(I), 98% | 951776-24-2 [1,3-Bis(2,6-di-i-propylphenyl)imidazol-2-yl idene][bis(trifluoromethanesulfonyl)imide]gold(I)|CS-0111093|951776-24-2 https://www.jk-sci.com/products/ts246cs-0111112 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62edd7723cea2213e654f36efc66f79d.jpg?v=1791661611 Methyl propyl carbonate, 97% | 56525-42-9 Methyl propyl carbonate|CS-0111112|56525-42-9 https://www.jk-sci.com/products/ts246cs-0111124 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/708d1e77b22b76b94f2d2a247113ea00.jpg?v=1791661604 Tris(4-(4H-1,2,4-triazol-4-yl)phenyl)amine, 98% | 2001066-82-4 Tris(4-(4H-1,2,4-triazol-4-yl)phenyl)amine|CS-0111124|2001066-82-4 https://www.jk-sci.com/products/ts246cs-0111134 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b98775a3d53d28d97ad331f0162e6e83.jpg?v=1791661592 Tris(4-(1H-imidazol-1-yl)phenyl)amine, 95% | 1258947-79-3 Tris(4-(1H-imidazol-1-yl)phenyl)amine|CS-0111134|1258947-79-3 https://www.jk-sci.com/products/s57c4x-223621 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430497_1db0a5e8-3853-447a-ad34-ba1c09f362c9.png?v=1791710206 Epalrestat Impurity 21, 99.30% | 5718-83-2 Epalrestat Impurity 21|C4X-223621|5718-83-2 https://www.jk-sci.com/products/ts246cs-0111194 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91990a8f44a01167b46a0c259924ee1b.jpg?v=1791661569 5,5'-(Ethyne-1,2-diyl)diisophthalaldehyde, 95.00%+ | 2237965-02-3 5,5'-(Ethyne-1,2-diyl)diisophthalaldehyde|CS-0111194|2237965-02-3 https://www.jk-sci.com/products/ts246cs-0111303 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14e51ef497aabafee57a9b236268f710.jpg?v=1791661534 2,6-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[1,2-b:4,5-b']dithiophene, 97% | 861398-06-3 2,6-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[1,2-b:4,5-b']dithiophene|CS-0111303|861398-06-3 https://www.jk-sci.com/products/ts246cs-0111317 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14ec7184627b35ceae163d83ee751b8b.jpg?v=1791661519 Ethyl 5-cyano-4-methyl-6-oxo-1,6-dihydropyridine-2-carboxylate, 98% | 58610-61-0 Ethyl 5-cyano-4-methyl-6-oxo-1,6-dihydropyridine-2-carboxylate|CS-0111317|58610-61-0 https://www.jk-sci.com/products/ts246cs-0111349 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23b0f00436e30e0d538a45b0b646e763.jpg?v=1791661506 Tris(dibenzylideneacetone)platinum(0), 95% | 11072-92-7 Tris(dibenzylideneacetone)platinum(0)|CS-0111349|11072-92-7 https://www.jk-sci.com/products/ts246cs-0111379 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389292.png?v=1791661500 Cobalt(II)acetatetetra hydrate, 99.5% | 6147-53-1 Cobalt(II)acetatetetra hydrate|CS-0111379|6147-53-1 https://www.jk-sci.com/products/ts246cs-0111492 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc3bcbfedc9bc3a281b690dd14869a17.jpg?v=1791661473 5',5''''-(Anthracene-9,10-diyl)bis(([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid)), 95% | 913343-74-5 5',5''''-(Anthracene-9,10-diyl)bis(([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid))|CS-0111492|913343-74-5 https://www.jk-sci.com/products/ts246cs-0111556 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e2884e76fc01284706dc25eda042821a.jpg?v=1791661466 5-(Indolin-5-yl)-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine dihydrochloride, 95% | 1337533-85-3 5-(Indolin-5-yl)-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine dihydrochloride|CS-0111556|1337533-85-3 https://www.jk-sci.com/products/ts246cs-0111649 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea793ac92f55d82e199588a712a948d1.jpg?v=1791661455 4-Methoxy-1H-indole-2-carbaldehyde, 97% | 213682-04-3 4-Methoxy-1H-indole-2-carbaldehyde|CS-0111649|213682-04-3 https://www.jk-sci.com/products/ts246cs-0111570 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/574192_9fb3dab7-01b1-43ff-8b83-f2328fc35601.png?v=1791661465 FeTCPP chloride, 95% | 55266-17-6 FeTCPP chloride|CS-0111570|55266-17-6 https://www.jk-sci.com/products/ts246cs-0111675 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25d622f3644132b40749c0d95b415d69.jpg?v=1791661440 Methyl 7-methyl-1H-indole-6-carboxylate, 98.00%+ | 733035-34-2 Methyl 7-methyl-1H-indole-6-carboxylate|CS-0111675|733035-34-2 https://www.jk-sci.com/products/ts246cs-0109009 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26a7449e5eb12a53c855d0e23287dda6.jpg?v=1791662501 tert-Butyl (2-formylphenyl)carbamate, 98% | 74965-38-1 tert-Butyl (2-formylphenyl)carbamate|CS-0109009|74965-38-1 https://www.jk-sci.com/products/ts246cs-0109835 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3519b9a7e4dc8585efb06854c9979ce.jpg?v=1791662306 (1,3-Dimethyl-1H-pyrazol-5-yl)boronic acid, 95.00%+ | 847818-68-2 (1,3-Dimethyl-1H-pyrazol-5-yl)boronic acid|CS-0109835|847818-68-2 https://www.jk-sci.com/products/ts246cs-0110044 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed041f432a91d40a2cf9a330b61de1d7.jpg?v=1791662204 [1,1'-Biphenyl]-3,4',5-tricarboxylic acid, 97% | 677010-20-7 [1,1'-Biphenyl]-3,4',5-tricarboxylic acid|CS-0110044|677010-20-7 https://www.jk-sci.com/products/ts246cs-0110229 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e5c1ec66964db855614399811b321d8.jpg?v=1791662129 [1,1':4',1''-Terphenyl]-2',3,3'',5,5',5''-hexacarboxylic acid, 95% | 1542274-12-3 [1,1':4',1''-Terphenyl]-2',3,3'',5,5',5''-hexacarboxylic acid|CS-0110229|1542274-12-3 https://www.jk-sci.com/products/ts246cs-0110405 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05d8da42be8e75509208a4d42c7d9236.jpg?v=1791662025 1,4-Di(1H-imidazol-1-yl)butane, 98% | 69506-86-1 1,4-Di(1H-imidazol-1-yl)butane|CS-0110405|69506-86-1 https://www.jk-sci.com/products/ts246cs-0110482 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d65d94ff559215e086de1f20f396b8fe.jpg?v=1793048538 5-Ethynyl-1,3-benzenedicarboxylic acid, 98.00%+ | 432025-97-3 5-Ethynyl-1,3-benzenedicarboxylic acid|CS-0110482|432025-97-3 https://www.jk-sci.com/products/s57c4x-22388 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6a893ed16e9c26a9c8af9acb40a3738.jpg?v=1791710183 Isosorbide Dinitrate Impurity 8, 95.90% | 39698-15-2 Isosorbide Dinitrate Impurity 8|C4X-22388|39698-15-2 https://www.jk-sci.com/products/ts246cs-0110566 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2062072_4dc3aad6-2a18-401c-b2bb-b79a36c22d24.png?v=1791661950 4,4'-Di(1H-imidazol-1-yl)-1,1'-biphenyl, 98.19%+ | 855766-92-6 4,4'-Di(1H-imidazol-1-yl)-1,1'-biphenyl|CS-0110566|855766-92-6 https://www.jk-sci.com/products/s57c4x-22376 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a9dc4721221dd9a98452e106394b1d8.jpg?v=1791710198 Guaiazulene Impurity 6, 93.20% | 93914-28-4 Guaiazulene Impurity 6|C4X-22376|93914-28-4 https://www.jk-sci.com/products/s57c4x-223825 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bc346f788c1c54645387e70cd537769.jpg?v=1791710189 L-Isoidide, 98.70% | 24332-71-6 L-Isoidide|C4X-223825|24332-71-6 https://www.jk-sci.com/products/s57c4x-2242 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/465921_1fdf2c3f-1753-442a-b9f0-ab625f2efef2.png?v=1791710174 Alendronate Acid, 98.60% | 66376-36-1 Alendronate Acid|C4X-2242|66376-36-1 https://www.jk-sci.com/products/ts246cs-0110657 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a782428562b02cd107ba7168be730174.jpg?v=1791661886 4,4'-(2,2-Diphenylethene-1,1-diyl)diphenol, 99.55%+ | 919789-77-8 4,4'-(2,2-Diphenylethene-1,1-diyl)diphenol|CS-0110657|919789-77-8 https://www.jk-sci.com/products/s57c4x-22471 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1ed500c7-dd32-430c-963e-eb1424b93c1f.png?v=1791710168 Phentolamine Mesilate EP Impurity A, 95.50% Phentolamine Mesilate EP Impurity A|C4X-22471 https://www.jk-sci.com/products/s57c4x-22512 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7952fe867beef31c57007e0501ed1888.jpg?v=1791710150 Maytansinoid DM4, 99.10% | 796073-69-3 Maytansinoid DM4|C4X-22512|796073-69-3 https://www.jk-sci.com/products/s57c4x-22504 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1a2c3650dc229a410c72d334e5560e4.jpg?v=1791710159 Benzbromarone Impurity 4, 98.70% | 152831-00-0 Benzbromarone Impurity 4|C4X-22504|152831-00-0 https://www.jk-sci.com/products/s57c4x-225217 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b10eeba68df279b036ddabde1d00d54.jpg?v=1791710139 Metaraminol Impurity 17, 96.30% | 54779-56-5 Metaraminol Impurity 17|C4X-225217|54779-56-5 https://www.jk-sci.com/products/ts246cs-0110725 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a51f1690978b97f7c8146f1a791db4b3.jpg?v=1791661847 2,5-Diethoxyterephthalaldehyde, 97% | 56766-03-1 2,5-Diethoxyterephthalaldehyde|CS-0110725|56766-03-1 https://www.jk-sci.com/products/ts246cs-0110787 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c300d084e0bc3b754ec7072b72b2667.jpg?v=1791661787 2-Vinylterephthalic acid, 97% | 216431-29-7 2-Vinylterephthalic acid|CS-0110787|216431-29-7 https://www.jk-sci.com/products/ts246cs-0110860 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c566fa5057f62a9239bed88457e76e70.jpg?v=1791661741 5,5'-(Pyridazine-3,6-diyl)diisophthalic acid, 98% | 1802909-94-9 5,5'-(Pyridazine-3,6-diyl)diisophthalic acid|CS-0110860|1802909-94-9 https://www.jk-sci.com/products/s57c4x-225263 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575538_7bec180e-c92a-4784-9a63-7b4263d70835.png?v=1791710128 Metaraminol Impurity 63, Purity: 99.7% | 946-80-5 Metaraminol Impurity 63|C4X-225263|946-80-5 https://www.jk-sci.com/products/s57c4x-225323 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88cea7bc-a532-4dc9-ad2e-363b76b9e353.png?v=1791710106 Bilastine Impurity 23, 98.80% Bilastine Impurity 23|C4X-225323 https://www.jk-sci.com/products/ts246cs-0110911 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c8828435b996f125faaf2bca0bc2ed4.jpg?v=1791661712 4-(1H-Benzo[d]imidazol-2-yl)phenol, 98% | 6504-13-8 4-(1H-Benzo[d]imidazol-2-yl)phenol|CS-0110911|6504-13-8 https://www.jk-sci.com/products/s57c4x-22531 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b927e066c67aab3dddc3356700e4368_3b12e066-e625-4489-ab22-664facccb1c1.jpg?v=1791710121 Bilastine N-Oxide, 98.00% | 2069238-47-5 Bilastine N-Oxide|C4X-22531|2069238-47-5 https://www.jk-sci.com/products/ts246cs-0110919 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3285ea38fd9db1b60c3ef71d3667fed.jpg?v=1791661692 4,4'-(1,10-Phenanthroline-2,9-diyl)dibenzaldehyde, 97% | 120085-99-6 4,4'-(1,10-Phenanthroline-2,9-diyl)dibenzaldehyde|CS-0110919|120085-99-6 https://www.jk-sci.com/products/s57c4x-225317 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4289e4c5d444ec309fab5f856aa6ddb7.jpg?v=1791710116 Bilastine Impurity 17, 96.70% | 2767509-00-0 Bilastine Impurity 17|C4X-225317|2767509-00-0 https://www.jk-sci.com/products/s57c4x-225342 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7be60b8a-f9db-46e8-b30c-fd4432d19107.png?v=1791710100 Bilastine Impurity 42, 98.90% Bilastine Impurity 42|C4X-225342 https://www.jk-sci.com/products/ts246cs-0110956 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3987502f03e4d5d37fb45f36efa3c9f.jpg?v=1791661672 4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol, 95.00%+ | 835878-20-1 4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol|CS-0110956|835878-20-1 https://www.jk-sci.com/products/s57c4x-225367 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26a8e8806e2e993a1d014a8b8727a6dc.jpg?v=1791710095 Bilastine Impurity 67, 93.60% | 1181267-38-8 Bilastine Impurity 67|C4X-225367|1181267-38-8 https://www.jk-sci.com/products/s57c4x-225375 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8d8199d-3001-4376-a46c-dd5c46fe073a.png?v=1791710089 Bilastine Impurity 75, Purity: 96.1% Bilastine Impurity 75|C4X-225375 https://www.jk-sci.com/products/ts246cs-0111000 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/106673.png?v=1791661652 5-(Pyrazin-2-yl)-1H-pyrazole-3-carboxylic acid, 98% | 1029108-75-5 5-(Pyrazin-2-yl)-1H-pyrazole-3-carboxylic acid|CS-0111000|1029108-75-5 https://www.jk-sci.com/products/ts246cs-0111072 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25a8086132f4cd69ba2ed9fbbc46a551_ca80ea3f-31ce-4cdd-bc66-8b6344da93d2.jpg?v=1791661627 ZIF-67(Co), 98% | 46201-07-4 ZIF-67(Co)|CS-0111072|46201-07-4 https://www.jk-sci.com/products/ts246cs-0111117 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7e073c113cba831df80aa512a96b44c.jpg?v=1791661611 Chloro{1,3-bis[2,6-di-i-propylphenyl]-4,5-dihydroimidazol-2-ylidene}gold(I), 95% | 852445-84-2 Chloro{1,3-bis[2,6-di-i-propylphenyl]-4,5-dihydroimidazol-2-ylidene}gold(I)|CS-0111117|852445-84-2 https://www.jk-sci.com/products/ts246cs-0111139 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2030a9ae544096b9b1bce2f81b1f6c2a.jpg?v=1791661586 Tri(pyridin-4-yl)amine, 98% | 153467-50-6 Tri(pyridin-4-yl)amine|CS-0111139|153467-50-6 https://www.jk-sci.com/products/ts246cs-0111306 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fdce72df741f2e8d6234076b0af09db5.jpg?v=1791661529 4,4'-Sulfonylbis(benzene-1,2-diamine), 98.00%+ | 13224-79-8 4,4'-Sulfonylbis(benzene-1,2-diamine)|CS-0111306|13224-79-8 https://www.jk-sci.com/products/ts246cs-0111376 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98782fc031cd9b75f2d2d7c1210e5035.jpg?v=1791661506 Cobalt(II)trifluoromethanesulfonate, 98% | 58164-61-7 Cobalt(II)trifluoromethanesulfonate|CS-0111376|58164-61-7 https://www.jk-sci.com/products/s57c4x-22538 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cdbb883c-3f88-4d02-9a06-4b3f515e7966.png?v=1791710080 Bilastine Impurity 8 Oxalate, 97.00% Bilastine Impurity 8 Oxalate|C4X-22538 https://www.jk-sci.com/products/ts246cs-0111506 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa60972a50f7f4f35298e605b9071d07.jpg?v=1791661472 (Ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetraboronic acid, 98% | 1905395-21-2 (Ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetraboronic acid|CS-0111506|1905395-21-2 https://www.jk-sci.com/products/ts246cs-0111589 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622ec6913760041a1ecc116f371870b7_a683a20a-ea06-45e9-a631-e15e102bbaef.jpg?v=1791661460 Vanadium(IV)bis(acetylacetonato)oxide, 98% | 3153-26-2 Vanadium(IV)bis(acetylacetonato)oxide|CS-0111589|3153-26-2 https://www.jk-sci.com/products/ts246cs-0111758 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430089.png?v=1791661424 Methyltrioxorhenium(VII), 98% | 70197-13-6 Methyltrioxorhenium(VII)|CS-0111758|70197-13-6 https://www.jk-sci.com/products/ts246cs-0111959 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5a2b44796b7a2bbd02ba0ff46c0327c.jpg?v=1791661399 Tetrahydro-2H-pyran-2-yl methacrylate, 95% | 52858-59-0 Tetrahydro-2H-pyran-2-yl methacrylate|CS-0111959|52858-59-0 https://www.jk-sci.com/products/ts246cs-0112197 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99885b2341d58279ffdb5b36e0002423.jpg?v=1791661363 Methyl 4-(bromoethynyl)benzoate, 97% | 225928-10-9 Methyl 4-(bromoethynyl)benzoate|CS-0112197|225928-10-9 https://www.jk-sci.com/products/ts246cs-0112224 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488051.png?v=1791661351 2-Iodo-4-methoxy-1-nitrobenzene, 98.41%+ | 214279-40-0 2-Iodo-4-methoxy-1-nitrobenzene|CS-0112224|214279-40-0 https://www.jk-sci.com/products/ts246cs-0112238 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91cd1399e590b5de9d1c2deaf86c95c3.jpg?v=1791661345 (2-Fluoropyridin-3-yl)methanamine, 96.87%+ | 205744-16-7 (2-Fluoropyridin-3-yl)methanamine|CS-0112238|205744-16-7 https://www.jk-sci.com/products/ts246cs-0112290 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546592_10a8f3f8-5cd2-4bfe-adc4-991f99d5a8e3.png?v=1791661308 CL 5343, 98% | 14949-00-9 CL 5343|CS-0112290|14949-00-9 https://www.jk-sci.com/products/s57c4x-225537 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f61dc9f2-76b3-42d3-971a-c9719ef36178.png?v=1791710079 Polymyxin Impurity 37 TFA, 97.90% Polymyxin Impurity 37 TFA|C4X-225537 https://www.jk-sci.com/products/ts246cs-0112301 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f128d6743e0b3a00779bc3a228fc8f1.jpg?v=1791661297 7-Bromothieno[2,3-c]pyridine-2-carboxylic acid, 97% | 2089325-75-5 7-Bromothieno[2,3-c]pyridine-2-carboxylic acid|CS-0112301|2089325-75-5 https://www.jk-sci.com/products/ts246cs-0112335 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/547682.png?v=1791661284 Methyl L-phenylalanyl-L-phenylalaninate hydrochloride, 96% | 38017-65-1 Methyl L-phenylalanyl-L-phenylalaninate hydrochloride|CS-0112335|38017-65-1 https://www.jk-sci.com/products/ts246cs-0112415 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cf3a1f13cfb707faac0113ca7447937.jpg?v=1791661257 Dibenzo[b,d]furan-4-amine, 98% | 50548-43-1 Dibenzo[b,d]furan-4-amine|CS-0112415|50548-43-1 https://www.jk-sci.com/products/ts246cs-0112494 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/598ae25ca312752169a8ea0e2893c492.jpg?v=1791661244 7-Hydroxy-1,2,3,4-tetrahydro-8H-pyrido[1,2-a]pyrazin-8-one, 98% | 1210687-36-7 7-Hydroxy-1,2,3,4-tetrahydro-8H-pyrido[1,2-a]pyrazin-8-one|CS-0112494|1210687-36-7 https://www.jk-sci.com/products/ts246cs-0112554 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/208238.png?v=1791661212 Methyl (2S,4R)-4-fluoropyrrolidine-2-carboxylate hydrochloride, 97.00%+ | 58281-80-4 Methyl (2S,4R)-4-fluoropyrrolidine-2-carboxylate hydrochloride|CS-0112554|58281-80-4 https://www.jk-sci.com/products/ts246cs-0112593 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23fb4f8ab09e66df85529381dea3d7d6.jpg?v=1791661187 5-Fluoro-3-methoxy-2-nitrobenzoic acid, 97.00%+ | 1007113-04-3 5-Fluoro-3-methoxy-2-nitrobenzoic acid|CS-0112593|1007113-04-3 https://www.jk-sci.com/products/s57c4x-225539 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_850e450f-f4c3-4497-99f8-17a501964df4.png?v=1791710076 Polymyxin Impurity 39 TFA, 95.30% Polymyxin Impurity 39 TFA|C4X-225539 https://www.jk-sci.com/products/ts246cs-0112637 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/543369ed26937fbcac0d81df1499ca3b.jpg?v=1791661176 1-Bromo-3-(difluoromethoxy)-5-fluorobenzene, 96% | 433939-28-7 1-Bromo-3-(difluoromethoxy)-5-fluorobenzene|CS-0112637|433939-28-7 https://www.jk-sci.com/products/ts246cs-0112667 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433ed10eefb6715893646582c04b9e6f.jpg?v=1791661166 4-Amino-1-methyl-1H-pyrazole-3-carboxylic acid, 96% | 1006334-34-4 4-Amino-1-methyl-1H-pyrazole-3-carboxylic acid|CS-0112667|1006334-34-4 https://www.jk-sci.com/products/ts246cs-0112705 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6b254f246ed88a993a89c00e0cca809.jpg?v=1791661150 3,6-Dibromo-1H-pyrrolo[3,2-c]pyridine, 99.79%+ | 1000341-69-4 3,6-Dibromo-1H-pyrrolo[3,2-c]pyridine|CS-0112705|1000341-69-4 https://www.jk-sci.com/products/ts246cs-0112724 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116023.png?v=1791661143 2-(Benzyloxy)-2-methylpropan-1-ol, 95% | 91968-71-7 2-(Benzyloxy)-2-methylpropan-1-ol|CS-0112724|91968-71-7 https://www.jk-sci.com/products/ts246cs-0109708 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01695aff476b8a95ae3b71f1b61d1762.jpg?v=1791662342 (2-Bromo-3-fluoropyridin-4-yl)boronic acid, 98.17%+ | 2096338-76-8 (2-Bromo-3-fluoropyridin-4-yl)boronic acid|CS-0109708|2096338-76-8 https://www.jk-sci.com/products/ts246cs-0110117 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df654f1a09ee9873b4c8bbfdf0452c32.jpg?v=1791662159 Tos-PEG2-C2-Boc, 95% | 850090-13-0 Tos-PEG2-C2-Boc|CS-0110117|850090-13-0 https://www.jk-sci.com/products/s57c4x-225543 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_201b80b8-76c6-40dd-b00b-e768ac90fd22.png?v=1791710074 Polymyxin E1 (Colistin A) X Acetate, 79.50% Polymyxin E1 (Colistin A) X Acetate|C4X-225543 https://www.jk-sci.com/products/ts246cs-0110462 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/925c948fbd07823d90d9869adf653d20.jpg?v=1791662002 5,5-Dioxo-5H-dibenzo[b,d]thiophene-3,7-dicarboxylic acid, 95% | 23613-32-3 5,5-Dioxo-5H-dibenzo[b,d]thiophene-3,7-dicarboxylic acid|CS-0110462|23613-32-3 https://www.jk-sci.com/products/ts246cs-0110584 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b5efb3f025b2b4ff0a2a3f415852881.jpg?v=1791661932 2,4,6-Tris(4-ethynylphenyl)-1,3,5-triazine, 96% | 425629-22-7 2,4,6-Tris(4-ethynylphenyl)-1,3,5-triazine|CS-0110584|425629-22-7 https://www.jk-sci.com/products/ts246cs-0110743 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3344cdf195cc0278d2b587c0218917a4.jpg?v=1791661824 2',5'-Dimethoxy-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid, 98% | 1392416-19-1 2',5'-Dimethoxy-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid|CS-0110743|1392416-19-1 https://www.jk-sci.com/products/ts246cs-0110880 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ee2628287f0173d4b448ba520b7592b.jpg?v=1791661724 Tris(4-ethynylphenyl)amine, 96% | 189178-09-4 Tris(4-ethynylphenyl)amine|CS-0110880|189178-09-4 https://www.jk-sci.com/products/ts246cs-0110936 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3ba643f7c5ffd1edb3d0d3f7cad4945.jpg?v=1791661681 4',4''',4'''''-(1,3,5-Triazine-2,4,6-triyl)tris(([1,1'-biphenyl]-4-carbaldehyde)), 95% | 1221509-80-3 4',4''',4'''''-(1,3,5-Triazine-2,4,6-triyl)tris(([1,1'-biphenyl]-4-carbaldehyde))|CS-0110936|1221509-80-3 https://www.jk-sci.com/products/ts246cs-0111067 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18dbfd6e3eae1256cb5c87f3febe2ad0.jpg?v=1791661639 Dimethyl 2-methylterephthalate, 98% | 14186-60-8 Dimethyl 2-methylterephthalate|CS-0111067|14186-60-8 https://www.jk-sci.com/products/ts246cs-0111129 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8578b3a06d2a925de94dee688e141c92.jpg?v=1791661598 Tris(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)amine, 97% | 267221-90-9 Tris(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)amine|CS-0111129|267221-90-9 https://www.jk-sci.com/products/ts246cs-0111330 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275687.png?v=1791661513 trans-Platinum(II)diammine dichloride, 98.00%+ | 14913-33-8 trans-Platinum(II)diammine dichloride|CS-0111330|14913-33-8 https://www.jk-sci.com/products/ts246cs-0111561 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13cae226852d3489acfa298bd8b9012a.jpg?v=1791661466 2-Nitro-4-(trifluoromethoxy)benzonitrile, 95.00%+ | 142494-69-7 2-Nitro-4-(trifluoromethoxy)benzonitrile|CS-0111561|142494-69-7 https://www.jk-sci.com/products/ts246cs-0111747 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01cff3075618b77576705f0fed32f7b5.jpg?v=1791661424 Carboxyl diazirine alkyne, 98% | 1450754-37-6 Carboxyl diazirine alkyne|CS-0111747|1450754-37-6 https://www.jk-sci.com/products/ts246cs-0112157 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fb8b5a686e285bd6f2e5e1861183265.jpg?v=1791661375 2,6-Difluoro-4-iodobenzaldehyde, 98% | 1160573-10-3 2,6-Difluoro-4-iodobenzaldehyde|CS-0112157|1160573-10-3 https://www.jk-sci.com/products/ts246cs-0112233 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/560a0f922a24cf1076804ab40aebacfa.jpg?v=1791661345 (4-Methylpiperazin-1-yl)(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone, 97% | 832114-06-4 (4-Methylpiperazin-1-yl)(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone|CS-0112233|832114-06-4 https://www.jk-sci.com/products/ts246cs-0112295 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540e3df13caf39600cf64ae4407fa2cd.jpg?v=1791661302 1-Bromo-2,2-dimethoxypropane, 97% | 126-38-5 1-Bromo-2,2-dimethoxypropane|CS-0112295|126-38-5 https://www.jk-sci.com/products/ts246cs-0112393 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/464237_5e574b02-7956-469c-826e-a847109a6690.png?v=1791661268 6-Nitrobenzo[d]oxazol-2(3H)-one, 96% | 4694-91-1 6-Nitrobenzo[d]oxazol-2(3H)-one|CS-0112393|4694-91-1 https://www.jk-sci.com/products/ts246cs-0112520 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/357562.png?v=1791661238 Methyl acetyl-L-tryptophanate, 97% | 2824-57-9 Methyl acetyl-L-tryptophanate|CS-0112520|2824-57-9 https://www.jk-sci.com/products/ts246cs-0112624 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0c1449b8e2a1918e7e7eaa7e1ef8547.jpg?v=1791661181 Ethyl 4-(4-fluorophenyl)-2,4-dioxobutanoate, 97% | 31686-94-9 Ethyl 4-(4-fluorophenyl)-2,4-dioxobutanoate|CS-0112624|31686-94-9 https://www.jk-sci.com/products/ts246cs-0112701 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7a2a3f91dfaee47c4ab4b41ee6e4c21.jpg?v=1791661157 7-Bromobenzo[d]oxazol-2(3H)-one, 97% | 871367-14-5 7-Bromobenzo[d]oxazol-2(3H)-one|CS-0112701|871367-14-5 https://www.jk-sci.com/products/ts246cs-0112729 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/425c493f3c3e8c75df6a974548940e44.jpg?v=1791661131 tert-Butyl 6-fluoronicotinate, 95% | 676560-01-3 tert-Butyl 6-fluoronicotinate|CS-0112729|676560-01-3 https://www.jk-sci.com/products/ts246cs-0112787 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbd57652de2fb35d32a92bad09cb2a6e.jpg?v=1791661114 4-Methoxy-2-(methylthio)pyrimidine-5-carboxylic acid, 95.00%+ | 84332-06-9 4-Methoxy-2-(methylthio)pyrimidine-5-carboxylic acid|CS-0112787|84332-06-9 https://www.jk-sci.com/products/ts246cs-0112816 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b8666d3101c31ccc662fe201f7f8023.jpg?v=1791661097 (4-(Bis(4-methoxyphenyl)amino)phenyl)boronic acid, 95% | 201802-29-1 (4-(Bis(4-methoxyphenyl)amino)phenyl)boronic acid|CS-0112816|201802-29-1 https://www.jk-sci.com/products/ts246cs-0112841 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33092f0e74a6b2153b28602f2a18edd0.jpg?v=1791661092 2-Hydroxy-4,5-dimethoxybenzoic acid, 98% | 5722-93-0 2-Hydroxy-4,5-dimethoxybenzoic acid|CS-0112841|5722-93-0 https://www.jk-sci.com/products/ts246cs-0112867 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d90b813845f1c8a0ada7f6f9cc035ab.jpg?v=1791661080 5-Bromo-2-chloro-4-ethoxypyridine, 97% | 52311-48-5 5-Bromo-2-chloro-4-ethoxypyridine|CS-0112867|52311-48-5 https://www.jk-sci.com/products/s57c4x-225611 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2804875-09ea-44bd-89aa-f01eea762d40.png?v=1791710069 Chlorhexidine EP Impurity M 2HCl, Purity: 95.2% Chlorhexidine EP Impurity M 2HCl|C4X-225611 https://www.jk-sci.com/products/ts246cs-0112888 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40eee2e489a57dcd02770169a6944d1f.jpg?v=1791661075 8-Bromoadenine, 97% | 6974-78-3 8-Bromoadenine|CS-0112888|6974-78-3 https://www.jk-sci.com/products/ts246cs-0112890 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02367ced6e40281cb76d73e7df20e542.jpg?v=1791661071 (Z)-1,2-Bis(phenylsulfonyl)ethene, 98% | 963-15-5 (Z)-1,2-Bis(phenylsulfonyl)ethene|CS-0112890|963-15-5 https://www.jk-sci.com/products/ts246cs-0112915 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4f381016793fea59e7040da347c926.jpg?v=1791661061 4,6-Dichloro-2-methylnicotinic acid, 98% | 693286-31-6 4,6-Dichloro-2-methylnicotinic acid|CS-0112915|693286-31-6 https://www.jk-sci.com/products/ts246cs-0112924 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393166.png?v=1791661057 7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylic acid, 96% | 885281-30-1 7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylic acid|CS-0112924|885281-30-1 https://www.jk-sci.com/products/ts246cs-0112940 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/223568.png?v=1791661040 2-Phenyl-1H-imidazole-5-carbaldehyde, 97.00%+ | 68282-47-3 2-Phenyl-1H-imidazole-5-carbaldehyde|CS-0112940|68282-47-3 https://www.jk-sci.com/products/ts246cs-0112989 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205a40ee240419ccacfb27eac68a56ab.jpg?v=1791661022 Methyl 2-amino-3-hydroxy-2-methylpropanoate hydrochloride, 97% | 89500-37-8 Methyl 2-amino-3-hydroxy-2-methylpropanoate hydrochloride|CS-0112989|89500-37-8 https://www.jk-sci.com/products/ts246cs-0113010 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae3b95b08dc2580066daf2b934ae66e7.jpg?v=1791661010 3,5-Dichloro-1-methylpyrazin-2(1H)-one, 95.00%+ | 87486-33-7 3,5-Dichloro-1-methylpyrazin-2(1H)-one|CS-0113010|87486-33-7 https://www.jk-sci.com/products/ts246cs-0113039 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214298.png?v=1791660997 6-Chloro-2-methylquinoline, 98% | 92-46-6 6-Chloro-2-methylquinoline|CS-0113039|92-46-6 https://www.jk-sci.com/products/ts246cs-0113099 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217790.png?v=1791660952 (R)-3-Amino-3-(4-methoxyphenyl)propanoic acid, 97% | 131690-57-8 (R)-3-Amino-3-(4-methoxyphenyl)propanoic acid|CS-0113099|131690-57-8 https://www.jk-sci.com/products/ts246cs-0113173 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7bb4bef0591e28f9250d978c6f52ca43.jpg?v=1791660937 2-Methylpyrazolo[1,5-a]pyrazin-4(5H)-one, 98% | 1314920-48-3 2-Methylpyrazolo[1,5-a]pyrazin-4(5H)-one|CS-0113173|1314920-48-3 https://www.jk-sci.com/products/ts246cs-0113214 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/663eb2e9ca62662a7c8c8cbf36d6d8d2.jpg?v=1791660932 Bis-propargyl-PEG3, 98.00%+ | 126422-58-0 Bis-propargyl-PEG3|CS-0113214|126422-58-0 https://www.jk-sci.com/products/ts246cs-0113333 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96d812f0e211d08151e26e4ce104bdff.jpg?v=1791660917 Aprepitant impurity 1, 95% | 170729-76-7 Aprepitant impurity 1|CS-0113333|170729-76-7 https://www.jk-sci.com/products/ts246cs-0113361 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf8ebcf4efb3d1e7cdf990e67050f337.jpg?v=1791660895 Mal-PEG6-Boc, 95% | 518044-37-6 Mal-PEG6-Boc|CS-0113361|518044-37-6 https://www.jk-sci.com/products/ts246cs-0108660 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a61311dae208e969dd462b7929bc1f8d.jpg?v=1791662654 (S)-1-{(RP)-2-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]ferrocenyl}ethyldi(3,5-xylyl)phosphine, 97% | 1272317-38-0 (S)-1-{(RP)-2-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]ferrocenyl}ethyldi(3,5-xylyl)phosphine|CS-0108660|1272317-38-0 https://www.jk-sci.com/products/ts246cs-0110372 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29bd51c4db542332746801d0f9270fa5.jpg?v=1791662057 1,2-Diphenyl-1,2-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethene, 98.00%+ | 2095541-89-0 1,2-Diphenyl-1,2-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethene|CS-0110372|2095541-89-0 https://www.jk-sci.com/products/ts246cs-0110698 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6416e8e1c7330ce3f45e02e0608f3ca1.jpg?v=1791661877 2,3,4,5,6-Pentaiodobenzoic acid, 98% | 64385-02-0 2,3,4,5,6-Pentaiodobenzoic acid|CS-0110698|64385-02-0 https://www.jk-sci.com/products/ts246cs-0110912 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332966_67f71db8-4aa4-4423-8c2b-12b81e644083.png?v=1791661705 4-(1H-Imidazol-1-yl)benzoic acid, 97.00%+ | 17616-04-5 4-(1H-Imidazol-1-yl)benzoic acid|CS-0110912|17616-04-5 https://www.jk-sci.com/products/ts246cs-0111100 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f8dac88a4ef5b6e097110c036f0742a.jpg?v=1791661611 Pyridine-2,4,6-tricarboxylic acid, 95% | 536-20-9 Pyridine-2,4,6-tricarboxylic acid|CS-0111100|536-20-9 https://www.jk-sci.com/products/ts246cs-0111392 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617716_4bad9ccd-8084-4484-91fb-f85baeffa4c2.png?v=1791661490 Levetiracetam impurity 1, 98% | 102849-49-0 Levetiracetam impurity 1|CS-0111392|102849-49-0 https://www.jk-sci.com/products/ts246cs-0111946 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/545433_e9d3f8fa-c3e1-4d82-a163-50404a124a3c.png?v=1791661399 (3-Fluoro-2-hydroxyphenyl)boronic acid, 97% | 259209-24-0 (3-Fluoro-2-hydroxyphenyl)boronic acid|CS-0111946|259209-24-0 https://www.jk-sci.com/products/ts246cs-0112247 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74ba4b2dd629f9957c8149b6ef94deb3.jpg?v=1793048449 2-(3,5-Di-tert-butylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 1071924-13-4 2-(3,5-Di-tert-butylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0112247|1071924-13-4 https://www.jk-sci.com/products/s57c4x-225613 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60f467b7-cb8b-4585-8994-521250ad93bb.png?v=1791710067 Chlorhexidine EP Impurity H, Purity: 95.3% Chlorhexidine EP Impurity H|C4X-225613 https://www.jk-sci.com/products/ts246cs-0112429 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3acfb00a6f922bd35158c3cd372eb4bb.jpg?v=1791661257 2-(Piperidin-4-yl)ethan-1-ol hydrochloride, 97.00%+ | 90747-17-4 2-(Piperidin-4-yl)ethan-1-ol hydrochloride|CS-0112429|90747-17-4 https://www.jk-sci.com/products/s57c4x-225617 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_deef3f79-e9e1-4d7f-b44b-3beb80e43a66.png?v=1791710064 Chlorhexidine EP Impurity K HCI, Purity: 99.7% Chlorhexidine EP Impurity K HCI|C4X-225617 https://www.jk-sci.com/products/ts246cs-0112643 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/761884705e80a6eab704a98ec202ee6d.jpg?v=1791661171 (3aR,6aR)-1-Methyloctahydropyrrolo[3,4-b]pyrrole, 97% | 1353644-77-5 (3aR,6aR)-1-Methyloctahydropyrrolo[3,4-b]pyrrole|CS-0112643|1353644-77-5 https://www.jk-sci.com/products/s57c4x-225711 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d7427af6-af29-4810-abbb-b68de0d858f9.png?v=1791710053 Gadoteridol Related Compound C TFAsalt, 70.30% Gadoteridol Related Compound C TFAsalt|C4X-225711 https://www.jk-sci.com/products/ts246cs-0112748 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317965.png?v=1791661131 3-Methyl-5-(trifluoromethyl)-1H-1,2,4-triazole, 97% | 667873-25-8 3-Methyl-5-(trifluoromethyl)-1H-1,2,4-triazole|CS-0112748|667873-25-8 https://www.jk-sci.com/products/s57c4x-22568 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dcfe3a32-1153-49c2-aae5-ab7d2e19129d.png?v=1791710058 Chlorhexidine EP Impurity A Hydrochloride, Purity: 99.5% Chlorhexidine EP Impurity A Hydrochloride|C4X-22568 https://www.jk-sci.com/products/ts246cs-0112822 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fc33cbd008ae3d37578b2be57cd76c9.jpg?v=1791661097 tert-Butyl 4-(6-aminopyridin-3-yl)piperidine-1-carboxylate, 95.00%+ | 1198408-35-3 tert-Butyl 4-(6-aminopyridin-3-yl)piperidine-1-carboxylate|CS-0112822|1198408-35-3 https://www.jk-sci.com/products/s57c4x-225713 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57e294945682983b7548c8e380772b29.jpg?v=1791710055 Gadoteridol Impurity 13, 96.20% | 192329-72-9 Gadoteridol Impurity 13|C4X-225713|192329-72-9 https://www.jk-sci.com/products/ts246cs-0112870 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc84998dcc8ded3e8162657fe0c914e6.jpg?v=1791661080 tert-Butyl (3S,4S)-4-(((R)-tert-butylsulfinyl)amino)-3-methyl-2-oxa-8-azaspiro[4.5]decane-8-carboxylate, 95% | 1801766-78-8 tert-Butyl (3S,4S)-4-(((R)-tert-butylsulfinyl)amino)-3-methyl-2-oxa-8-azaspiro[4.5]decane-8-carboxylate|CS-0112870|1801766-78-8 https://www.jk-sci.com/products/ts246cs-0112901 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/665562ddbf088effc2ba1913d436aa86.jpg?v=1791661062 (5-Cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methanol, 97% | 946426-89-7 (5-Cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methanol|CS-0112901|946426-89-7 https://www.jk-sci.com/products/ts246cs-0112927 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f83aadea1fe8b0af9e798172d595e0d.jpg?v=1791661056 5-Methoxy-3,4-dihydroquinolin-2(1H)-one, 97% | 30557-06-3 5-Methoxy-3,4-dihydroquinolin-2(1H)-one|CS-0112927|30557-06-3 https://www.jk-sci.com/products/s57c4x-225729 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d9b856a8250519cd24aafefcecf5b5a.jpg?v=1791710050 Gadoteridol impurity 29, 98.00% | 213312-49-3 Gadoteridol impurity 29|C4X-225729|213312-49-3 https://www.jk-sci.com/products/ts246cs-0113001 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488136_041b364a-cb04-4baf-9745-4e22073c6be7.png?v=1791661015 2,2,2-Trifluoro-N-(hydroxymethyl)acetamide, 95% | 50667-69-1 2,2,2-Trifluoro-N-(hydroxymethyl)acetamide|CS-0113001|50667-69-1 https://www.jk-sci.com/products/ts246cs-0113038 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224344_6e4757be-b454-4a04-ac39-d12423fed004.png?v=1793048415 4-Bromo-8-fluoroquinoline, 99.84%+ | 927800-38-2 4-Bromo-8-fluoroquinoline|CS-0113038|927800-38-2 https://www.jk-sci.com/products/s57c4x-2260 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5546092e224106a4e88616f50d275bf7.jpg?v=1791710044 Baricitinib, 99.20% | 1187594-09-7 Baricitinib|C4X-2260|1187594-09-7 https://www.jk-sci.com/products/s57c4x-226010 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5718a47505432f5c5a6c4f0b71410a4_8979b053-e475-4e10-a9e5-a376b449ff11.jpg?v=1791710039 Baricitinib Impurity 10, 98.30% | 952518-97-7 Baricitinib Impurity 10|C4X-226010|952518-97-7 https://www.jk-sci.com/products/s57c4x-226015 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ec92fd28f6932ab295a0b93e249856b.jpg?v=1791710039 Baricitinib Impurity 15, 99.60% | 941685-26-3 Baricitinib Impurity 15|C4X-226015|941685-26-3 https://www.jk-sci.com/products/s57c4x-226017 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e3763e2e73fa2420397906a7378af39.jpg?v=1791710030 Baricitinib Impurity 17, 90.60% | 1187595-89-6 Baricitinib Impurity 17|C4X-226017|1187595-89-6 https://www.jk-sci.com/products/s57c4x-226020 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/027255b7329f937301a28d25b1081c4c.jpg?v=1791710030 Baricitinib Impurity 20, 98.10% | 1187595-85-2 Baricitinib Impurity 20|C4X-226020|1187595-85-2 https://www.jk-sci.com/products/ts246cs-0113100 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557296.png?v=1791660952 2-(Triphenyl-l5-phosphanylidene)propanal, 97% | 24720-64-7 2-(Triphenyl-l5-phosphanylidene)propanal|CS-0113100|24720-64-7 https://www.jk-sci.com/products/s57c4x-226031 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472443_cfb0a7fa-65f7-4f76-b9b3-4fe14e51d577.png?v=1791710019 Baricitinib Impurity 31, 95.00% | 335654-06-3 Baricitinib Impurity 31|C4X-226031|335654-06-3 https://www.jk-sci.com/products/s57c4x-226034 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419379.png?v=1791710014 Baricitinib Impurity 34, 98.60% | 763120-58-7 Baricitinib Impurity 34|C4X-226034|763120-58-7 https://www.jk-sci.com/products/s57c4x-226022 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ece36ef18f63f361a681db3b555b739b_5d93818a-9b60-499a-8d65-b30adefcc9f5.jpg?v=1791710024 Baricitinib Impurity 22, 90.40% | 2075-45-8 Baricitinib Impurity 22|C4X-226022|2075-45-8 https://www.jk-sci.com/products/s57c4x-226036 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/415f65be7586264d3c4eaf34678c56e2.jpg?v=1791710014 Baricitinib Impurity 36, 96.30% | 1919837-50-5 Baricitinib Impurity 36|C4X-226036|1919837-50-5 https://www.jk-sci.com/products/s57c4x-22604 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd92b5718e0f18b048ea98cfd9b7b25c.jpg?v=1791710004 Baricitinib-d5, 92.00% | 1564241-79-7 Baricitinib-d5|C4X-22604|1564241-79-7 https://www.jk-sci.com/products/s57c4x-226050 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4bdce982608e8c4091370889548e14.jpg?v=1791710004 Baricitinib Impurity 50, 95.60% | 1187594-35-9 Baricitinib Impurity 50|C4X-226050|1187594-35-9 https://www.jk-sci.com/products/s57c4x-226038 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc0bf8325e2ab37a1dc8a0cc735ffc3.jpg?v=1791710009 Baricitinib Impurity 38, 97.30% | 1236033-21-8 Baricitinib Impurity 38|C4X-226038|1236033-21-8 https://www.jk-sci.com/products/ts246cs-0113291 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a4929f0d20b1b54470a79165521174f.jpg?v=1791660926 1-(5-Bromo-6-methylpyridin-2-yl)-4-(cyclopropylmethyl)piperazine, 98% | 1911398-16-7 1-(5-Bromo-6-methylpyridin-2-yl)-4-(cyclopropylmethyl)piperazine|CS-0113291|1911398-16-7 https://www.jk-sci.com/products/ts246cs-0113409 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1adce3ff38aa78e2460e8ac08ab875d5.jpg?v=1791660890 2,3,4,6-Tetra-O-acetyl-1-S-acetyl-1-thiohexopyranose, 95% | 13639-50-4 2,3,4,6-Tetra-O-acetyl-1-S-acetyl-1-thiohexopyranose|CS-0113409|13639-50-4 https://www.jk-sci.com/products/ts246cs-0113690 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8795e058a30b1ae28f0808d331b8947.jpg?v=1791660873 Methyl 5-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate, 98.00%+ | 1088994-18-6 Methyl 5-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate|CS-0113690|1088994-18-6 https://www.jk-sci.com/products/s57c4x-226057 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/017b1dd2121759820ebdb7a625ce6004.jpg?v=1791709998 Baricitinib Impurity 57, 94.20% | 2920037-85-8 Baricitinib Impurity 57|C4X-226057|2920037-85-8 https://www.jk-sci.com/products/s57c4x-226061 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aea6dceaed094fc93ea00a7eb7687f3.jpg?v=1791709994 Baricitinib Impurity 61, 99.20% | 1187594-13-3 Baricitinib Impurity 61|C4X-226061|1187594-13-3 https://www.jk-sci.com/products/ts246cs-0113719 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ee6783a0418d1569e589a1cdaf142e.jpg?v=1791660866 5-Chloro-1,3-difluoro-2-nitrobenzene, 98% | 136272-31-6 5-Chloro-1,3-difluoro-2-nitrobenzene|CS-0113719|136272-31-6 https://www.jk-sci.com/products/s57c4x-226059 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_75ad9d46-ffad-469b-ba06-3dd9c293d351.png?v=1791709993 Baricitinib Impurity 59, 98.10% Baricitinib Impurity 59|C4X-226059 https://www.jk-sci.com/products/s57c4x-226064 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f0fea848b8e8d4db6f405b863d00a91.jpg?v=1791709988 Baricitinib Impurity 64, 97.00% | 1187594-34-8 Baricitinib Impurity 64|C4X-226064|1187594-34-8 https://www.jk-sci.com/products/s57c4x-226066 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ea5544787efd34ce38c287e069035f0.jpg?v=1791709983 Baricitinib Impurity 66, 93.90% | 1187594-33-7 Baricitinib Impurity 66|C4X-226066|1187594-33-7 https://www.jk-sci.com/products/s57c4x-226075 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_990d2a07-bf00-4aec-88b4-9c7c3ddf26ba.png?v=1791709983 Baricitinib Impurity 75, 82.70% Baricitinib Impurity 75|C4X-226075 https://www.jk-sci.com/products/ts246cs-0113767 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e765655bfc816be90019ee49eecca1b.jpg?v=1791660855 (R,R)-Me-Bisbox, 97% | 2755167-59-8 (R,R)-Me-Bisbox|CS-0113767|2755167-59-8 https://www.jk-sci.com/products/ts246cs-0113872 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5b578916f0119f28650d88711de7e69.jpg?v=1791660835 Methyl 2-(3-chloro-4-hydroxyphenyl)acetate, 95.37%+ | 57017-95-5 Methyl 2-(3-chloro-4-hydroxyphenyl)acetate|CS-0113872|57017-95-5 https://www.jk-sci.com/products/s57c4x-226077 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9fa51e6-3460-48c5-8a42-b9764e9daac1.png?v=1791709977 Baricitinib Impurity 77, 95.30% Baricitinib Impurity 77|C4X-226077 https://www.jk-sci.com/products/s57c4x-22611 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bab4eab4b2d54f76432b7881db2edf46.jpg?v=1791709969 Lumisterol, 92.60% | 474-69-1 Lumisterol|C4X-22611|474-69-1 https://www.jk-sci.com/products/s57c4x-226081 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_162529db-229e-486a-8885-6697e0578540.png?v=1791709973 Baricitinib Impurity 81, 95.40% Baricitinib Impurity 81|C4X-226081 https://www.jk-sci.com/products/ts246cs-0113925 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c8ba957cc7f4c997f2e8454556eaa03.jpg?v=1791660825 tert-Butyl (4-chlorothiazol-2-yl)carbamate, 97% | 1373223-09-6 tert-Butyl (4-chlorothiazol-2-yl)carbamate|CS-0113925|1373223-09-6 https://www.jk-sci.com/products/s57c4x-22619 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e31da07cd9554bcf0d24b0ceee688782.jpg?v=1791709964 Ergosterol Impurity 9, Purity: 98.7% | 71075-32-6 Ergosterol Impurity 9|C4X-22619|71075-32-6 https://www.jk-sci.com/products/s57c4x-22645 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482777.png?v=1791709960 Cycloserine Impurity 5 HCl, 98.80% | 112346-82-4 Cycloserine Impurity 5 HCl|C4X-22645|112346-82-4 https://www.jk-sci.com/products/ts246cs-0114111 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa08db67ee28773c92ae12b18aa1fd0b.jpg?v=1791660799 4-Chloro-6,7-dimethoxy-2-methylquinazoline, 97% | 50377-49-6 4-Chloro-6,7-dimethoxy-2-methylquinazoline|CS-0114111|50377-49-6 https://www.jk-sci.com/products/s57c4x-22671 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360b0ce7d4f38c8d7109beb1bcd0cb13.jpg?v=1791709957 Emedastine EP Impurity A, 99.40% | 101953-61-1 Emedastine EP Impurity A|C4X-22671|101953-61-1 https://www.jk-sci.com/products/ts246cs-0114153 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2ead74dd2938ecdc373d72a16525a09.jpg?v=1791660793 5-Bromo-2,3-dimethoxypyridine, 97% | 52605-98-8 5-Bromo-2,3-dimethoxypyridine|CS-0114153|52605-98-8 https://www.jk-sci.com/products/s57c4x-226713 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ebeaf6c7-454b-43e3-8ac1-e5380dbeab7a.png?v=1791709954 Emedastine EP Impurity D, Purity: 99.8% Emedastine EP Impurity D|C4X-226713 https://www.jk-sci.com/products/s57c4x-22672 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d71dc07cbb99747bdc583bd934b547ed.jpg?v=1791709951 Emedastine EP Impurity B, 98.20% | 87233-54-3 Emedastine EP Impurity B|C4X-22672|87233-54-3 https://www.jk-sci.com/products/s57c4x-22673 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3e3cd07f-9dc6-43f1-98ae-aa7964ce38f5.png?v=1791709945 Emedastine EP Impurity C DiHCl, 94.70% Emedastine EP Impurity C DiHCl|C4X-22673 https://www.jk-sci.com/products/s57c4x-226727 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_18d9cb33-949b-44ef-a797-467455083d84.png?v=1791709948 Emedastine lmpurity 27, Purity: 99.7% Emedastine lmpurity 27|C4X-226727 https://www.jk-sci.com/products/s57c4x-22674 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a23be5a5-41ec-4860-b310-d5d46d9bfd99.png?v=1791709935 Emedastine EP Impurity D DiHCl, 99.40% Emedastine EP Impurity D DiHCl|C4X-22674 https://www.jk-sci.com/products/ts246cs-0114211 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e47da6448519701fa51519c799ed0bca.jpg?v=1791660788 3-Methyl-2-(trifluoromethyl)aniline, 97.78%+ | 106877-30-9 3-Methyl-2-(trifluoromethyl)aniline|CS-0114211|106877-30-9 https://www.jk-sci.com/products/ts246cs-0114299 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e41370a55a03802983068dbd8e4a6350.jpg?v=1791660754 Aminooxy-PEG1-propargyl, 95.00%+ | 1895922-69-6 Aminooxy-PEG1-propargyl|CS-0114299|1895922-69-6 https://www.jk-sci.com/products/s57c4x-226738 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7746e5a9-2bec-4a72-a0c7-9e8b6b1cb162.png?v=1791709941 Emedastine Impurity 38, 91.60% Emedastine Impurity 38|C4X-226738 https://www.jk-sci.com/products/s57c4x-226731 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7ec5cd75-419b-417e-9fdb-95b4b2ac9415.png?v=1791709941 Emedastine Impurity 31, 99.50% Emedastine Impurity 31|C4X-226731 https://www.jk-sci.com/products/s57c4x-22676 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_da31d545-ea51-4121-9a61-8d2f73347168.png?v=1791709934 Emedastine EP Impurity F 2HCl, 99.40% Emedastine EP Impurity F 2HCl|C4X-22676 https://www.jk-sci.com/products/s57c4x-2269 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1239124_80a19217-d250-445e-80d6-32a4c27eb3df.png?v=1791709931 Ponatinib, 99.1% | 943319-70-8 Ponatinib|C4X-2269|943319-70-8 https://www.jk-sci.com/products/ts246cs-0114314 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fa5a2242d7888d716aff0eccb0d759b.jpg?v=1791660742 Bromo-PEG4-azide, 98% | 1951439-37-4 Bromo-PEG4-azide|CS-0114314|1951439-37-4 https://www.jk-sci.com/products/s57c4x-22708 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/644c4ded36f468a0c79d134ec5529591.jpg?v=1791709926 Pentoxyverine EP Impurity B Hydrochloride, 99.40% | 125-85-9 Pentoxyverine EP Impurity B Hydrochloride|C4X-22708|125-85-9 https://www.jk-sci.com/products/ts246cs-0114356 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d1b3b77ed825471cc2df8cc4b72869.jpg?v=1791660717 Fmoc-NMe-PEG4-C2-acid, 97% | 2170240-98-7 Fmoc-NMe-PEG4-C2-acid|CS-0114356|2170240-98-7 https://www.jk-sci.com/products/s57c4x-22743 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/477421.png?v=1791709921 Adrenalone, 91.80% | 62-13-5 Adrenalone|C4X-22743|62-13-5 https://www.jk-sci.com/products/ts246cs-0114403 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1057bc895a1860a540741be895e27727.jpg?v=1791660696 Mal-PEG4-Val-Cit-PAB-PNP, 98% | 2112738-09-5 Mal-PEG4-Val-Cit-PAB-PNP|CS-0114403|2112738-09-5 https://www.jk-sci.com/products/s57c4x-227511 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f79518d40dc6ed0987f634072dd31bd7.jpg?v=1791709915 Moxidectin EP Impurity L, 95.80% | 119718-45-5 Moxidectin EP Impurity L|C4X-227511|119718-45-5 https://www.jk-sci.com/products/ts246cs-0114430 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18d548d6300054da38c2fb8e5cfe3e8d.jpg?v=1791660691 DNP-PEG4-alcohol, 98% | 1807520-99-5 DNP-PEG4-alcohol|CS-0114430|1807520-99-5 https://www.jk-sci.com/products/s57c4x-22758 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0867b0200cdf8274c24a02290c15b43b.jpg?v=1791709910 23-Keto Nemadectin (Desmethoxyamino Moxidectin), 92.80% | 112124-81-9 23-Keto Nemadectin (Desmethoxyamino Moxidectin)|C4X-22758|112124-81-9 https://www.jk-sci.com/products/ts246cs-0114449 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/611da3e27a6508d8992b9caad5f4745e.jpg?v=1791660685 Aminooxy-PEG4-C2-Boc, 96% | 2100306-82-7 Aminooxy-PEG4-C2-Boc|CS-0114449|2100306-82-7 https://www.jk-sci.com/products/ts246cs-0114498 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a4622743fd018e84cf126a1666550e4.jpg?v=1791660675 m-PEG4-Boc, 98% | 883554-11-8 m-PEG4-Boc|CS-0114498|883554-11-8 https://www.jk-sci.com/products/s57c4x-227914 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04b4d8b12cdeea2fb366991fb864d6f2.jpg?v=1791709910 Eperisone Impurity 14, 93.50% | 191543-16-5 Eperisone Impurity 14|C4X-227914|191543-16-5 https://www.jk-sci.com/products/s57c4x-227933 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_879516b1-6ed1-48d4-a5cf-45bbb1588173.png?v=1791709905 Eperisone Impurity 33 HCl, Purity: 100.0% Eperisone Impurity 33 HCl|C4X-227933 https://www.jk-sci.com/products/s57c4x-22796 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fcf0b0c5-92d9-4f7f-a727-5ae2bc7e7293.png?v=1791709899 Eperisone Impurity 6 HCl, 74.80% Eperisone Impurity 6 HCl|C4X-22796 https://www.jk-sci.com/products/ts246cs-0114515 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7da8f66eaacc3f8eaefb0d24ce2cd181.jpg?v=1791660669 Bromoacetamido-PEG3-C2-Boc, 97.00%+ | 1807537-33-2 Bromoacetamido-PEG3-C2-Boc|CS-0114515|1807537-33-2 https://www.jk-sci.com/products/s57c4x-22817 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133757.png?v=1791709900 Isocitric acid trisodium salt, 88.00% | 1637-73-6 Isocitric acid trisodium salt|C4X-22817|1637-73-6 https://www.jk-sci.com/products/ts246cs-0114556 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98ed13b77060ea2f217f77b3a939f862.jpg?v=1791660634 Amino-PEG9-amine, 97% | 474082-35-4 Amino-PEG9-amine|CS-0114556|474082-35-4 https://www.jk-sci.com/products/s57c4x-228710 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d056bd511d383762892936768ff922a.jpg?v=1791709895 Carteolol EP Impurity E, 92.00% | 56660-90-3 Carteolol EP Impurity E|C4X-228710|56660-90-3 https://www.jk-sci.com/products/s57c4x-228712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/567599.png?v=1791709889 Carteolol HCl EP Impurity A, 99.80% | 5057-12-5 Carteolol HCl EP Impurity A|C4X-228712|5057-12-5 https://www.jk-sci.com/products/ts246cs-0114580 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e527b27c725e0d6219a16af350433fcb.jpg?v=1791660610 Azido-PEG10-alcohol, 97% | 877239-09-3 Azido-PEG10-alcohol|CS-0114580|877239-09-3 https://www.jk-sci.com/products/ts246cs-0110552 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd48a2ab965f37b1a37ac0e09c49748c.jpg?v=1791661963 2,4,6-Trichlorobenzene-1,3,5-tricarbaldehyde, 96% | 14222-98-1 2,4,6-Trichlorobenzene-1,3,5-tricarbaldehyde|CS-0110552|14222-98-1 https://www.jk-sci.com/products/s57c4x-228727 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263961.png?v=1791709884 1,3-Cyclohexanediol (cis- and trans- mixture), Purity: 99.6% | 504-01-8 1,3-Cyclohexanediol (cis- and trans- mixture)|C4X-228727|504-01-8 https://www.jk-sci.com/products/s57c4x-228718 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba28d25abad09ead6889209650ea67dd.jpg?v=1791709890 Carteolol EP Impurity F, 98.00% | 2748462-60-2 Carteolol EP Impurity F|C4X-228718|2748462-60-2 https://www.jk-sci.com/products/ts246cs-0110965 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85b667f870a44d50f2a8e210fce0b06c.jpg?v=1791661660 4',4''',4'''''-Nitrilotris(([1,1'-biphenyl]-3,5-dicarboxylic acid)), 95% | 1347748-59-7 4',4''',4'''''-Nitrilotris(([1,1'-biphenyl]-3,5-dicarboxylic acid))|CS-0110965|1347748-59-7 https://www.jk-sci.com/products/s57c4x-22878 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e15881aab9bdd3294160349d69a02a3e.jpg?v=1791709879 Carteolol EP Impurity H, 92.20% | 62330-84-1 Carteolol EP Impurity H|C4X-22878|62330-84-1 https://www.jk-sci.com/products/ts246cs-0111665 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c8a8f0b9e3aea8ab8f8ba13f339d8c0.jpg?v=1791661450 4-Chlorophthalonitrile, 97.00%+ | 17654-68-1 4-Chlorophthalonitrile|CS-0111665|17654-68-1 https://www.jk-sci.com/products/s57c4x-22882 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07af9e3ac9856caab557d480bf4656c7.jpg?v=1791709879 Antipyrine Impurity 2, 95.10% | 885-11-0 Antipyrine Impurity 2|C4X-22882|885-11-0 https://www.jk-sci.com/products/ts246cs-0112325 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f691d6dafc63c4457d8b5673359edc3.jpg?v=1791661288 5,7-Dichloro-1,8-naphthyridin-2-amine, 97.00%+ | 131998-24-8 5,7-Dichloro-1,8-naphthyridin-2-amine|CS-0112325|131998-24-8 https://www.jk-sci.com/products/s57c4x-229215 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/450c2948bf5155744b63e018b015ddfe.jpg?v=1791709868 Melatonin impurity 15, 99.40% | 2998440-04-1 Melatonin impurity 15|C4X-229215|2998440-04-1 https://www.jk-sci.com/products/s57c4x-229323 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3d7c865-6e6d-494d-94c0-ec9624b290cd.png?v=1791709848 Atosiban Impurity 23 TFA Salt, 86.40% Atosiban Impurity 23 TFA Salt|C4X-229323 https://www.jk-sci.com/products/ts246cs-0112718 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c51131e5d20d343a4d614fe0039d631.jpg?v=1791661143 Mal-PEG1-Boc, 98% | 810677-16-8 Mal-PEG1-Boc|CS-0112718|810677-16-8 https://www.jk-sci.com/products/s57c4x-2291 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269144.png?v=1791709874 Carbazochrome, 96.60% | 69-81-8 Carbazochrome|C4X-2291|69-81-8 https://www.jk-sci.com/products/s57c4x-22924 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cf0b2947db7afa22b3a2abddb9e6c2d.jpg?v=1791709864 Melatonin Impurity 4, Purity: 98.8% | 229018-17-1 Melatonin Impurity 4|C4X-22924|229018-17-1 https://www.jk-sci.com/products/ts246cs-0112850 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be5591e289862c656f7d45a81f85c6f8.jpg?v=1791661091 4-(Methylsulfonyl)cyclohexan-1-amine hydrochloride, 97% | 1354951-89-5 4-(Methylsulfonyl)cyclohexan-1-amine hydrochloride|CS-0112850|1354951-89-5 https://www.jk-sci.com/products/s57c4x-229317 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_46971c8f-e459-4df9-9e66-d759d72230de.png?v=1791709858 [Des-Gly9-NH2]-Atosiban TFA Salt, 96.90% [Des-Gly9-NH2]-Atosiban TFA Salt|C4X-229317 https://www.jk-sci.com/products/ts246cs-0112921 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a451ba9202fa62efce992bab24e74fe.jpg?v=1791661057 Ethyl 3-bromo-2-methylbenzoate, 98% | 103038-43-3 Ethyl 3-bromo-2-methylbenzoate|CS-0112921|103038-43-3 https://www.jk-sci.com/products/ts246cs-0113022 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/202240.png?v=1791661004 (S)-3-Amino-3-(4-methoxyphenyl)propanoic acid, 95.00%+ | 131690-56-7 (S)-3-Amino-3-(4-methoxyphenyl)propanoic acid|CS-0113022|131690-56-7 https://www.jk-sci.com/products/s57c4x-229319 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b1ec2cb0-4d2c-445a-8db6-31ac38087663.png?v=1791709853 [Gly9-OH]-Atosiban TFA Salt, 90.50% [Gly9-OH]-Atosiban TFA Salt|C4X-229319 https://www.jk-sci.com/products/s57c4x-22927 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9f6d2de7abb94aa91aeb097d6c893c9.jpg?v=1791709859 Melatonin impurity 7, 84.30% | 278783-22-5 Melatonin impurity 7|C4X-22927|278783-22-5 https://www.jk-sci.com/products/ts246cs-0113175 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc91055f2698e7994e757c3de37e3522.jpg?v=1791660937 4-Bromo-3,5-diethoxybenzaldehyde, 98% | 363166-11-4 4-Bromo-3,5-diethoxybenzaldehyde|CS-0113175|363166-11-4 https://www.jk-sci.com/products/s57c4x-229212 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2f45bdc9-e15f-40ec-8422-377c38301c71.png?v=1791709869 Melatonin impurity 12, 95.70% Melatonin impurity 12|C4X-229212 https://www.jk-sci.com/products/ts246cs-0113363 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27593361995b915aad061138e8cdd235.jpg?v=1791660895 Mal-PEG8-Boc, 95.00%+ | 2055048-43-4 Mal-PEG8-Boc|CS-0113363|2055048-43-4 https://www.jk-sci.com/products/ts246cs-0113697 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cacb2a5e04f59f200efca01e97f189dc.jpg?v=1793048407 3-Amino-5-chlorophenol, 96% | 883195-40-2 3-Amino-5-chlorophenol|CS-0113697|883195-40-2 https://www.jk-sci.com/products/ts246cs-0113768 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbfdae3f682784393739504e7d8e9f99.jpg?v=1791660849 (4R,4'R)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole], 95% | 164976-63-0 (4R,4'R)-2,2'-methylenebis[4,5-dihydro-4-(1-methylethyl)oxazole]|CS-0113768|164976-63-0 https://www.jk-sci.com/products/ts246cs-0114061 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a37b466491825bd4b20b20959b2c5f16.jpg?v=1791660814 4-Chloro-2-fluorobenzothioamide, 98% | 1343722-88-2 4-Chloro-2-fluorobenzothioamide|CS-0114061|1343722-88-2 https://www.jk-sci.com/products/ts246cs-0114194 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b74430aed7110b282a850bb4abebec1.jpg?v=1791660788 Monobenzyl Terephthalate, 99.46%+ | 18520-63-3 Monobenzyl Terephthalate|CS-0114194|18520-63-3 https://www.jk-sci.com/products/s57c4x-229325 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf05bbc7-30dc-4230-8578-c6b40e0f4daa.png?v=1791709848 [D-Cys6]-Atosiban TFA Salt, 97.70% [D-Cys6]-Atosiban TFA Salt|C4X-229325 https://www.jk-sci.com/products/s57c4x-229333 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b6aca32d-c53a-48ab-98bc-fb128c19e228.png?v=1791709839 [Gly9-ol]-Atosiban, 82.90% [Gly9-ol]-Atosiban|C4X-229333 https://www.jk-sci.com/products/s57c4x-229327 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64ec6fcc-c736-49dc-aa3e-b59ec2e120cc.png?v=1791709844 [β-Asp5]-Atosiban TFA Salt, 92.80% [β-Asp5]-Atosiban TFA Salt|C4X-229327 https://www.jk-sci.com/products/ts246cs-0114310 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01af2e6eda524ff43305698479873660.jpg?v=1791660748 Bis-propargyl-PEG1, 98% | 40842-04-4 Bis-propargyl-PEG1|CS-0114310|40842-04-4 https://www.jk-sci.com/products/ts246cs-0114397 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6847299cbcffd1c6e02e443dccee9669.jpg?v=1791660706 Biotin-PEG2-NH-Boc, 95% | 175885-18-4 Biotin-PEG2-NH-Boc|CS-0114397|175885-18-4 https://www.jk-sci.com/products/ts246cs-0114448 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5f9c05c5fb9996ade6cef1b81180b7f.jpg?v=1791660691 Boc-Aminoxy-PEG4-OH, 97.00%+ | 918132-14-6 Boc-Aminoxy-PEG4-OH|CS-0114448|918132-14-6 https://www.jk-sci.com/products/s57c4x-229335 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b75f47e1-2084-4fdd-97aa-40b86405501e.png?v=1791709832 Atosiban Impurity 35, 80.10% Atosiban Impurity 35|C4X-229335 https://www.jk-sci.com/products/ts246cs-0114512 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ff2b1385424867eb6ca52a7feda833a.jpg?v=1791660669 Propargyl-PEG3-Boc, 98% | 1374658-84-0 Propargyl-PEG3-Boc|CS-0114512|1374658-84-0 https://www.jk-sci.com/products/ts246cs-0114547 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/625ae2ca999e904b05519085386458b0.jpg?v=1791660640 Bromoacetamido-PEG2-C2-acid, 95% | 1415800-44-0 Bromoacetamido-PEG2-C2-acid|CS-0114547|1415800-44-0 https://www.jk-sci.com/products/ts246cs-0114589 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e132d08387c890abe05e9e9811b6fdae.jpg?v=1791660599 Bromo-PEG5-Boc, 97% | 1415800-38-2 Bromo-PEG5-Boc|CS-0114589|1415800-38-2 https://www.jk-sci.com/products/s57c4x-229339 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_666474c3-5763-4117-bce7-358e48fab687.png?v=1791709828 [Val3]-Atosiban, 79.70% [Val3]-Atosiban|C4X-229339 https://www.jk-sci.com/products/ts246cs-0114607 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b38eccee7e37f734c577f9a42ebeb842.jpg?v=1791660583 Biotin-PEG6-azide, 98% | 1085938-09-5 Biotin-PEG6-azide|CS-0114607|1085938-09-5 https://www.jk-sci.com/products/s57c4x-229342 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f3cf7155-e0f0-4f13-b1a6-9886a2ff43e9.png?v=1791709827 [Orn(Ac)8]-Atosiban, 90.90% [Orn(Ac)8]-Atosiban|C4X-229342 https://www.jk-sci.com/products/ts246cs-0114647 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142c9295369c7b9cf6cb9aadfdb20a93.jpg?v=1791660567 Tetrabenazine impurity 1, 97% | 99672-64-7 Tetrabenazine impurity 1|CS-0114647|99672-64-7 https://www.jk-sci.com/products/s57c4x-229344 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7a5265e-62f5-45d5-899d-05ed87c9dc71.png?v=1791709823 [D-Tyr2]-Atosiban, 82.70% [D-Tyr2]-Atosiban|C4X-229344 https://www.jk-sci.com/products/ts246cs-0110818 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207961_0e220f1f-cc4e-4dce-b123-c10561354a08.png?v=1791661767 Bis(triphenylphosphine)nickeldicarbonyl, 95% | 13007-90-4 Bis(triphenylphosphine)nickeldicarbonyl|CS-0110818|13007-90-4 https://www.jk-sci.com/products/ts246cs-0112221 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c19bdf5f06b3ca538150493c5cb839bf.jpg?v=1793048455 3-Methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one, 97.56%+ | 21991-39-9 3-Methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one|CS-0112221|21991-39-9 https://www.jk-sci.com/products/ts246cs-0112801 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02359eb9a4031f5216ecd1462710bf7f.jpg?v=1791661111 tert-Butyl 6,6-difluoro-1,4-diazepane-1-carboxylate, 98% | 1166820-07-0 tert-Butyl 6,6-difluoro-1,4-diazepane-1-carboxylate|CS-0112801|1166820-07-0 https://www.jk-sci.com/products/ts246cs-0112967 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aea910d78bd90f31bc911889f98c3d99.jpg?v=1791661034 tert-Butyl (2-methylpyridin-3-yl)carbamate, 99.91%+ | 1219095-87-0 tert-Butyl (2-methylpyridin-3-yl)carbamate|CS-0112967|1219095-87-0 https://www.jk-sci.com/products/s57c4x-229348 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e63256b0-2ff5-4097-9d32-6509a968019b.png?v=1791709818 Atosiban Impurity 48, 80.30% Atosiban Impurity 48|C4X-229348 https://www.jk-sci.com/products/ts246cs-0113340 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31a7723f30bd2f8b64618409b5bb8e97.jpg?v=1791660911 1,1,1-Trifluoro-N-[(11bR)-8,9,10,11,12,13,14,15-octahydro-2,6-bis(4-methoxyphenyl)-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide, 95% | 1071853-99-0 1,1,1-Trifluoro-N-[(11bR)-8,9,10,11,12,13,14,15-octahydro-2,6-bis(4-methoxyphenyl)-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide|CS-0113340|1071853-99-0 https://www.jk-sci.com/products/ts246cs-0113739 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8335cd1101bde8feccfb5d6183477772.jpg?v=1791660861 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione, 96% | 24447-28-7 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione|CS-0113739|24447-28-7 https://www.jk-sci.com/products/ts246cs-0114122 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519036.png?v=1791660795 2-((tert-Butoxycarbonyl)amino)-3-(5-methyl-1H-indol-3-yl)propanoic acid, 95.00%+ | 142847-21-0 2-((tert-Butoxycarbonyl)amino)-3-(5-methyl-1H-indol-3-yl)propanoic acid|CS-0114122|142847-21-0 https://www.jk-sci.com/products/ts246cs-0114351 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b57ef62d0b34e9a6b2673380f88bde7d.jpg?v=1791660722 Biotin-PEG3-Mal, 97% | 1431618-70-0 Biotin-PEG3-Mal|CS-0114351|1431618-70-0 https://www.jk-sci.com/products/ts246cs-0114466 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77828161c885a419dc0c58ce397cfa7d.jpg?v=1791660680 Azide-PEG2-MS, 97% | 176520-23-3 Azide-PEG2-MS|CS-0114466|176520-23-3 https://www.jk-sci.com/products/ts246cs-0114575 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24ff0e4d7381736690ecd679c6a34484.jpg?v=1791660617 m-PEG5-Br, 96% | 854601-80-2 m-PEG5-Br|CS-0114575|854601-80-2 https://www.jk-sci.com/products/ts246cs-0114646 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aabba2fd80df03a9f9c53f48491ad279.jpg?v=1791660573 1,11b-Dedihydrotetrabenazine, 98% | 100322-43-8 1,11b-Dedihydrotetrabenazine|CS-0114646|100322-43-8 https://www.jk-sci.com/products/s57c4x-229353 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5eb561fa-f48c-47e6-a0cf-f291e39c8274.png?v=1791709814 Atosiban Impurity 53, 90.20% Atosiban Impurity 53|C4X-229353 https://www.jk-sci.com/products/s57c4x-20133 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88f0f8295a35d20889f9bc93b20a96b0_b0eda621-5a8a-4c78-a167-9811991a43d6.jpg?v=1791711542 Oxytetracycline EP Impurity B, 90.20% | 60-54-8 Oxytetracycline EP Impurity B|C4X-20133|60-54-8 https://www.jk-sci.com/products/s57c4x-22954 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0740032af8f5dcb5de5638f2dde0d9ff.jpg?v=1791709805 Dienogest EP Impurity C, Purity: 97.4% | 106111-42-6 Dienogest EP Impurity C|C4X-22954|106111-42-6 https://www.jk-sci.com/products/s57c4x-203714 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f153d5e082493a387bc721ef0cf07f6.jpg?v=1791711269 Bisacodyl Impurity 14, 99.60% | 100378-86-7 Bisacodyl Impurity 14|C4X-203714|100378-86-7 https://www.jk-sci.com/products/s57c4x-205840 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d01a8d2d-e62e-48d3-8e81-5af5a475db07.png?v=1791711118 Ruxolitinib Impurity 40, 91.50% Ruxolitinib Impurity 40|C4X-205840 https://www.jk-sci.com/products/s57c4x-2295 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813339_86972f63-f780-4736-a31c-71be2504b41f.png?v=1791709811 Dienogest, 99.80% | 65928-58-7 Dienogest|C4X-2295|65928-58-7 https://www.jk-sci.com/products/s57c4x-208110 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3839478c56e4f0acd6b364a5024d6b0f.jpg?v=1791711002 Mono-cis-Teprenone, 95.40% | 3796-64-3 Mono-cis-Teprenone|C4X-208110|3796-64-3 https://www.jk-sci.com/products/s57c4x-229512 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330030c0b09a857ead9bd5059f511a41.jpg?v=1791709810 Dienogest EP Impurity K, Purity: 96.2% | 106111-43-7 Dienogest EP Impurity K|C4X-229512|106111-43-7 https://www.jk-sci.com/products/s57c4x-208641 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_511fa0ae-9bdb-4bf4-9d1c-d48995e5df29.png?v=1791710913 Dacomitinib Impurity 41, Purity: 96.4% Dacomitinib Impurity 41|C4X-208641 https://www.jk-sci.com/products/s57c4x-210818 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21c18a013027d55e87566fd9e17e22f9.jpg?v=1791710811 Baloxavir Impurity 18, 99.90% | 1820001-72-6 Baloxavir Impurity 18|C4X-210818|1820001-72-6 https://www.jk-sci.com/products/s57c4x-212010 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1283245_13b1da22-7eb4-4d64-9594-d95068628e99.png?v=1791710747 Gadobutrol Impurity 10, Purity: 100.0% | 57280-22-5 Gadobutrol Impurity 10|C4X-212010|57280-22-5 https://www.jk-sci.com/products/ts246cs-0114685 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1892703994abdd0a24c7172114c535c7.jpg?v=1791660553 Benzyl-PEG2-amine, 97.00%+ | 1268135-96-1 Benzyl-PEG2-amine|CS-0114685|1268135-96-1 https://www.jk-sci.com/products/s57c4x-21056 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9689a6eb0916b82e3e05de60d3f74d8d.jpg?v=1791710849 Estrone impurity 6, 91.30% | 1089-80-1 Estrone impurity 6|C4X-21056|1089-80-1 https://www.jk-sci.com/products/ts246cs-0114720 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0c4f5ae756ad57546bc3ffc2004674f.jpg?v=1791660542 Thiol-PEG4-Boc, 97% | 564476-33-1 Thiol-PEG4-Boc|CS-0114720|564476-33-1 https://www.jk-sci.com/products/ts246cs-0114735 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62c7edd7b73e74cc09b8d2f4dc09eeee.jpg?v=1791660535 Ald-Ph-PEG2-NH-Boc, 95% | 1807503-90-7 Ald-Ph-PEG2-NH-Boc|CS-0114735|1807503-90-7 https://www.jk-sci.com/products/ts246cs-0114757 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e91d75c96ee81170c57875ad7c3ebba6.jpg?v=1791660518 Azido-PEG6-C2-Boc, 97% | 406213-76-1 Azido-PEG6-C2-Boc|CS-0114757|406213-76-1 https://www.jk-sci.com/products/ts246cs-0114763 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f63cad9458ada5e40be7893dc738d20f.jpg?v=1791660516 Azido-PEG9-Boc, 96.81%+ | 1818294-43-7 Azido-PEG9-Boc|CS-0114763|1818294-43-7 https://www.jk-sci.com/products/ts246cs-0114807 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1530284.png?v=1791660489 Boc-4-amino-4-methyl-pentanoic acid, 97% | 1249372-40-4 Boc-4-amino-4-methyl-pentanoic acid|CS-0114807|1249372-40-4 https://www.jk-sci.com/products/s57c4x-214625 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf38dedce2c851bd6961d0b07253bb8a.jpg?v=1791710687 (5Z)-5-Isobutylidene Hydantoin, 98.70% | 1369499-44-4 (5Z)-5-Isobutylidene Hydantoin|C4X-214625|1369499-44-4 https://www.jk-sci.com/products/ts246cs-0114864 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee8401e51d7a462d70c34e9a69053085.jpg?v=1791660479 Boc-aminoxy-PEG4-acid, 97.00%+ | 2062663-68-5 Boc-aminoxy-PEG4-acid|CS-0114864|2062663-68-5 https://www.jk-sci.com/products/ts246cs-0114867 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e83b628d17ada8d0e4853657e089c253.jpg?v=1791660474 Propargyl-PEG4-Boc, 97% | 1355197-66-8 Propargyl-PEG4-Boc|CS-0114867|1355197-66-8 https://www.jk-sci.com/products/s57c4x-215015 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e3ccc25f-2d3b-4659-9799-334c3281152e.png?v=1791710646 Tropicamide Impurity 15, 95.70% Tropicamide Impurity 15|C4X-215015 https://www.jk-sci.com/products/ts246cs-0114897 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f36221c46cbe51ae657830491419c87.jpg?v=1791660460 Acid-PEG5-mono-methyl ester, 97.00%+ | 1309460-30-7 Acid-PEG5-mono-methyl ester|CS-0114897|1309460-30-7 https://www.jk-sci.com/products/s57c4x-21638 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260526_51229adb-cba5-4b77-8c92-da22c8ed450c.png?v=1791710619 Tafluprost Impurity 8, 94.50% | 209860-88-8 Tafluprost Impurity 8|C4X-21638|209860-88-8 https://www.jk-sci.com/products/ts246cs-0114909 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58e311a3f354928497dc6240254861db.jpg?v=1791660460 Hydroxy-PEG5-Boc, 97% | 850090-09-4 Hydroxy-PEG5-Boc|CS-0114909|850090-09-4 https://www.jk-sci.com/products/ts246cs-0114921 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/740e924a98301272f907034538a932ed.jpg?v=1791660454 Azido-PEG4-Amido-Tris, 96.39%+ | 1398044-55-7 Azido-PEG4-Amido-Tris|CS-0114921|1398044-55-7 https://www.jk-sci.com/products/ts246cs-0114923 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b76be38d86c258eec969b22a8e98d6d9.jpg?v=1791660450 N-(Azido-PEG2)-N-Boc-PEG4-acid, 97% | 2093153-82-1 N-(Azido-PEG2)-N-Boc-PEG4-acid|CS-0114923|2093153-82-1 https://www.jk-sci.com/products/s57c4x-218021 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9c6eaf52-6261-4f96-8a6e-03ebdcda6b53.png?v=1791710592 Fluralaner Impurity 21, Purity: 99.0% Fluralaner Impurity 21|C4X-218021 https://www.jk-sci.com/products/s57c4x-21905 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/862a47a80f1d25ef7cff0ce4e2bbacb6.jpg?v=1791710560 Ethinylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol), 94.10% | 27521-34-2 Ethinylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol)|C4X-21905|27521-34-2 https://www.jk-sci.com/products/s57c4x-220734 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_60eeb699-073b-4e6b-b8d9-7b962dec4922.png?v=1791710494 Vitamin K1 Impurity 34, 93.20% Vitamin K1 Impurity 34|C4X-220734 https://www.jk-sci.com/products/ts246cs-0114942 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a398aecef52154d5e6e67cb2afbc10b2.jpg?v=1791660440 m-PEG4-phosphonic acid ethyl ester, 98.00%+ | 1872433-73-2 m-PEG4-phosphonic acid ethyl ester|CS-0114942|1872433-73-2 https://www.jk-sci.com/products/ts246cs-0114952 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05148449a2d2227d899d455937d7f3a1.jpg?v=1791660435 Hydroxy-PEG5-C2-methyl ester, 98% | 2100306-80-5 Hydroxy-PEG5-C2-methyl ester|CS-0114952|2100306-80-5 https://www.jk-sci.com/products/s57c4x-221132 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffe36f5c4f1fd7f7219468e333d33536.jpg?v=1791710469 Lysine Impurity 32, 90.10% | 2924449-37-4 Lysine Impurity 32|C4X-221132|2924449-37-4 https://www.jk-sci.com/products/s57c4x-22133 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_377a76f9-e2d4-47bb-8be5-3e9b5647fb26.png?v=1791710431 Roxadustat Impurity 3, 99.20% Roxadustat Impurity 3|C4X-22133 https://www.jk-sci.com/products/s57c4x-220110 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fd7bc2067be887ff239e2ed37fd2043.jpg?v=1791710534 Lumateperone Tosylate Salt, 99.40% | 1187020-80-9 Lumateperone Tosylate Salt|C4X-220110|1187020-80-9 https://www.jk-sci.com/products/s57c4x-221518 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d424f9b-03ed-462a-9032-b845414eb08e.png?v=1791710403 Desmopressin Tyrosine Oxidation Impurity 1, Purity: 99.5% Desmopressin Tyrosine Oxidation Impurity 1|C4X-221518 https://www.jk-sci.com/products/s57c4x-221543 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d721cec8-d7dd-4c93-a4b6-d03394aefcb5.png?v=1791710380 Desmopressin Impurity 43, Purity: 100.0% Desmopressin Impurity 43|C4X-221543 https://www.jk-sci.com/products/ts246cs-0114961 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11eab92d11c76391ef42fd23ee9168ad.jpg?v=1791660430 N-Me-N-bis-PEG4, 98% | 2055046-22-3 N-Me-N-bis-PEG4|CS-0114961|2055046-22-3 https://www.jk-sci.com/products/s57c4x-22173 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d79424dce8eb8f00d6a3142892c32a5_75ec26ce-765f-4bb3-b0fe-206a578475a2.jpg?v=1791710368 TriformylPhloroglucinol, 99.10% | 34374-88-4 TriformylPhloroglucinol|C4X-22173|34374-88-4 https://www.jk-sci.com/products/s57c4x-22179 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110006_b7fa70dc-d676-4a74-b83a-f185d6e04abd.png?v=1791710354 Phloroglucinol Impurity 9, 99.60% | 87-66-1 Phloroglucinol Impurity 9|C4X-22179|87-66-1 https://www.jk-sci.com/products/s57c4x-2226110 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00f11d25c31a39edb43905835998f56f.jpg?v=1791710324 Octa(OtBu)-Glu-OtBu, 99.70% | 1188328-39-3 Octa(OtBu)-Glu-OtBu|C4X-2226110|1188328-39-3 https://www.jk-sci.com/products/s57c4x-22266 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206299_ab553b56-7b40-4fe1-8a54-9c46bff6e6b7.png?v=1791710307 Semaglutide Impurity 6, 99.70% | 62-57-7 Semaglutide Impurity 6|C4X-22266|62-57-7 https://www.jk-sci.com/products/ts246cs-0114988 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01636921e410f2f0e36ea838bf1d069a.jpg?v=1791660424 N-(Azido-PEG3)-N-Boc-PEG4-Boc, 97% | 2112731-94-7 N-(Azido-PEG3)-N-Boc-PEG4-Boc|CS-0114988|2112731-94-7 https://www.jk-sci.com/products/s57c4x-22191 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df28c798bc2134b0c94cbd6844367636.jpg?v=1791710339 Neotame Related Compound A, 98.50% | 190910-14-6 Neotame Related Compound A|C4X-22191|190910-14-6 https://www.jk-sci.com/products/s57c4x-222941 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131686_db47ab7d-08cb-4f30-974f-eff386567fa5.png?v=1791710286 Pirfenidone Impurity 41, Purity: 100.0% | 1824-81-3 Pirfenidone Impurity 41|C4X-222941|1824-81-3 https://www.jk-sci.com/products/s57c4x-22343 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d0068b3d-5db0-4d16-afcd-2e48b7af866d.png?v=1791710244 Avatrombopag Impurity 3, 90.70% Avatrombopag Impurity 3|C4X-22343 https://www.jk-sci.com/products/s57c4x-22341 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8838e17a7ba7532b61278e5b3f997dc.jpg?v=1791710265 Avatrombopag Impurity 1, 94.50% | 2626934-45-8 Avatrombopag Impurity 1|C4X-22341|2626934-45-8 https://www.jk-sci.com/products/ts246cs-0114995 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b5c23e4193e643e56da2418b5f8f5b.jpg?v=1791660421 Cbz-NH-PEG2-C2-acid, 95% | 1347750-76-8 Cbz-NH-PEG2-C2-acid|CS-0114995|1347750-76-8 https://www.jk-sci.com/products/ts246cs-0115004 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ab400de987f6e4c7552019b83174e96.jpg?v=1791660409 Hydroxy-PEG6-CH2-Boc, 95% | 297162-47-1 Hydroxy-PEG6-CH2-Boc|CS-0115004|297162-47-1 https://www.jk-sci.com/products/s57c4x-223462 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c5da59782b01d75c705385b419bbd52.jpg?v=1791710225 Avatrombopag Impurity 62, 90.20% | 1956319-74-6 Avatrombopag Impurity 62|C4X-223462|1956319-74-6 https://www.jk-sci.com/products/ts246cs-0115019 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c325eb41f6cab081dbe967b3aaf85cdc.jpg?v=1791660403 Thalidomide-O-PEG4-Boc, 97% | 2411681-87-1 Thalidomide-O-PEG4-Boc|CS-0115019|2411681-87-1 https://www.jk-sci.com/products/ts246cs-0115040 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/838c198a4183dee62fbb0bb50bc42623.jpg?v=1791660392 HO-PEG24-OH, 98% | 2243942-52-9 HO-PEG24-OH|CS-0115040|2243942-52-9 https://www.jk-sci.com/products/s57c4x-223614 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/226312_e840f2c9-92c9-43c4-95a4-024219ec02f9.png?v=1791710208 Epalrestat Impurity 14, 98.20% | 31061-24-2 Epalrestat Impurity 14|C4X-223614|31061-24-2 https://www.jk-sci.com/products/s57c4x-22412 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d824e8a701eba3f065820affab77c074.jpg?v=1791710179 10-Formyl Folic Acid, 94.60% | 134-05-4 10-Formyl Folic Acid|C4X-22412|134-05-4 https://www.jk-sci.com/products/s57c4x-223811 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a65281ea83ae784b15bbea60b3b6eaa0.jpg?v=1791710193 Isosorbide Dinitrate Impurity 11, Purity: 96.1% | 110627-22-0 Isosorbide Dinitrate Impurity 11|C4X-223811|110627-22-0 https://www.jk-sci.com/products/ts246cs-0115059 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a230b35fbe503e8a26d206d2c7a304c.jpg?v=1791660379 Azido-PEG4-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane, 97% | 1421933-29-0 Azido-PEG4-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane|CS-0115059|1421933-29-0 https://www.jk-sci.com/products/s57c4x-225215 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312587_549a3774-cbac-4824-9223-274a20646784.png?v=1791710145 Metaraminol Impurity 15, 97.00% | 13103-80-5 Metaraminol Impurity 15|C4X-225215|13103-80-5 https://www.jk-sci.com/products/s57c4x-22477 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436950_665b17f1-1e8f-4623-9bb1-7983bf5bb66f.png?v=1791710165 Phentolamine Hydrochloride, 98.50% | 73-05-2 Phentolamine Hydrochloride|C4X-22477|73-05-2 https://www.jk-sci.com/products/ts246cs-0115073 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f974775a96835b32523965beb1b72c9.jpg?v=1791660373 Ald-Ph-PEG4-Boc, 95.00%+ | 1807518-64-4 Ald-Ph-PEG4-Boc|CS-0115073|1807518-64-4 https://www.jk-sci.com/products/ts246cs-0115079 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/764edd15dcd04e2a571624bc69ddec62.jpg?v=1791660367 N-Mal-N-bis(PEG4-NH-Boc), 96% | 2128735-27-1 N-Mal-N-bis(PEG4-NH-Boc)|CS-0115079|2128735-27-1 https://www.jk-sci.com/products/s57c4x-22528 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01acf7869e18a037dee719508db530e6.jpg?v=1791710128 Metaraminol Impurity 8, Purity: 97.4% | 21480-44-4 Metaraminol Impurity 8|C4X-22528|21480-44-4 https://www.jk-sci.com/products/ts246cs-0115098 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6faeabf64f6a3bab2ae916915b0c6610_3c7a3891-157d-47c4-ad32-62659f80e505.jpg?v=1791660362 α-Lipoic acid-NHS, 98% | 40846-94-4 α-Lipoic acid-NHS|CS-0115098|40846-94-4 https://www.jk-sci.com/products/ts246cs-0115107 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/712f0911d8c771bf9b66545de190cdfd.jpg?v=1791660354 N-(Azido-PEG2)-N-Boc-PEG3-Boc, 97% | 2093153-07-0 N-(Azido-PEG2)-N-Boc-PEG3-Boc|CS-0115107|2093153-07-0 https://www.jk-sci.com/products/s57c4x-225321 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ebe0969f13df53a8fcef470eaea2a9a.jpg?v=1791710112 Bilastine Impurity 21, 99.70% | 953071-73-3 Bilastine Impurity 21|C4X-225321|953071-73-3 https://www.jk-sci.com/products/ts246cs-0115122 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c286dbe440423b714d1f6d8b18d03ee.jpg?v=1791660349 Amino-PEG3-CH2COOH, 96% | 134978-99-7 Amino-PEG3-CH2COOH|CS-0115122|134978-99-7 https://www.jk-sci.com/products/s57c4x-225330 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1be6c0488595015ab61b339ad00937b.jpg?v=1791710100 N1-Nitroso Bilastine, 99.70% | 2731008-04-9 N1-Nitroso Bilastine|C4X-225330|2731008-04-9 https://www.jk-sci.com/products/s57c4x-22558 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2b63026c-a57d-4414-981e-a4c462d2cf85.png?v=1791710072 Polymyxin B1 XAcetate, 84.20% Polymyxin B1 XAcetate|C4X-22558 https://www.jk-sci.com/products/ts246cs-0115140 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f342f7fc20cf077e2172e3ca69b9055f.jpg?v=1791660344 N-(Boc-PEG1)-N-bis(PEG2-propargyl), 97.00%+ | 2100306-63-4 N-(Boc-PEG1)-N-bis(PEG2-propargyl)|CS-0115140|2100306-63-4 https://www.jk-sci.com/products/s57c4x-225374 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_011ded10-373d-4d7d-a3a4-b822948b0f2d.png?v=1791710093 Bilastine Impurity 74, 97.20% Bilastine Impurity 74|C4X-225374 https://www.jk-sci.com/products/ts246cs-0115163 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e85664bca797f977cc7b82ccc9cae16.jpg?v=1791660335 (R)-2,2-Dimethyl-1-(5-methylfuran-2-yl)propan-1-amine hydrochloride, 98% | 2170760-93-5 (R)-2,2-Dimethyl-1-(5-methylfuran-2-yl)propan-1-amine hydrochloride|CS-0115163|2170760-93-5 https://www.jk-sci.com/products/ts246cs-0115166 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2cf84a3a5c8371c6f5a66b9a716e25fe.jpg?v=1791660330 (2-Pyridyldithio)-PEG4-alcohol, 98.00%+ | 851961-99-4 (2-Pyridyldithio)-PEG4-alcohol|CS-0115166|851961-99-4 https://www.jk-sci.com/products/ts246cs-0115195 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b410c0a1662f93c18e9a59630dd9d0.jpg?v=1791660319 N-Benzyl-N-bis-PEG2, 98% | 119580-47-1 N-Benzyl-N-bis-PEG2|CS-0115195|119580-47-1 https://www.jk-sci.com/products/s57c4x-225513 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c46bb22-9714-4955-9949-3c4e9cb794e0.png?v=1791710078 Polymyxin B3 XTFA Salt, Purity: 98.7% Polymyxin B3 XTFA Salt|C4X-225513 https://www.jk-sci.com/products/ts246cs-0115215 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc2fa1c1d9dc2324f9ba1572a32ff952.jpg?v=1791660309 Azido-PEG3-NHS ester, 95% | 1092654-47-1 Azido-PEG3-NHS ester|CS-0115215|1092654-47-1 https://www.jk-sci.com/products/ts246cs-0115258 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a3fae8186d2b70cddd5b6b6d79a475a.jpg?v=1791660288 Azido-PEG2-C1-Boc, 97% | 251564-45-1 Azido-PEG2-C1-Boc|CS-0115258|251564-45-1 https://www.jk-sci.com/products/ts246cs-0115290 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c106178f51e961e7648510381cce66ae.jpg?v=1791660261 N-(Azido-PEG2)-N-bis(PEG4-Boc), 97% | 2112731-81-2 N-(Azido-PEG2)-N-bis(PEG4-Boc)|CS-0115290|2112731-81-2 https://www.jk-sci.com/products/ts246cs-0115358 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/905db1a43d298f8ca26805193127771e.jpg?v=1791660254 N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester, 95% | 2100306-76-9 N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester|CS-0115358|2100306-76-9 https://www.jk-sci.com/products/s57c4x-22567 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/363988_28620a6a-1471-44d1-91e9-02436459a9cb.png?v=1791710060 Chlorhexidine Digluconate EP Impurity E, Purity: 100.0% | 45964-97-4 Chlorhexidine Digluconate EP Impurity E|C4X-22567|45964-97-4 https://www.jk-sci.com/products/s57c4x-225712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_49f98025-10ee-463c-8093-076ffe52a274.png?v=1791710055 Gadoteridol Impurity 12 TriHCl, 91.90% Gadoteridol Impurity 12 TriHCl|C4X-225712 https://www.jk-sci.com/products/s57c4x-2259 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bd327d52805a4834f4f1a77483c87d7.jpg?v=1791710046 Levalbuterol HCl, 100.00% | 50293-90-8 Levalbuterol HCl|C4X-2259|50293-90-8 https://www.jk-sci.com/products/s57c4x-226014 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d70459b67229fcd6e909f02e12d57d5_b7134501-960d-4d89-87d7-373cc756db33.jpg?v=1791710040 Baricitinib Impurity 14, 98.80% | 1029716-44-6 Baricitinib Impurity 14|C4X-226014|1029716-44-6 https://www.jk-sci.com/products/s57c4x-22602 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6274cde917ea35e2943df2c21bd72594.jpg?v=1791710030 Baricitinib Impurity 2, 96.00% | 2964606-44-6 Baricitinib Impurity 2|C4X-22602|2964606-44-6 https://www.jk-sci.com/products/ts246cs-0115369 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554184.png?v=1791660248 Aminoethyl-SS-propionic acid, 95% | 15579-00-7 Aminoethyl-SS-propionic acid|CS-0115369|15579-00-7 https://www.jk-sci.com/products/s57c4x-226026 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d73beb1-1f6f-42ba-8346-54e7bdecac31.png?v=1791710019 Baricitinib Impurity 26, Purity: 99.6% Baricitinib Impurity 26|C4X-226026 https://www.jk-sci.com/products/ts246cs-0109951 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c001f20f84ac0bb581a51e6169520bf.jpg?v=1791662253 [2,2'-Bis(4-tertbutylpyridine)]bis[2-(4-tertbutylphenyl) pyridine] iridium(III)hexafluorophosphate, 97% | 1570275-52-3 [2,2'-Bis(4-tertbutylpyridine)]bis[2-(4-tertbutylphenyl) pyridine] iridium(III)hexafluorophosphate|CS-0109951|1570275-52-3 https://www.jk-sci.com/products/ts246cs-0112577 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7981b74fe44086777d6875b89200c66b.jpg?v=1793048437 3-Hydroxycyclopentane-1-carboxylic acid, 97% | 101080-22-2 3-Hydroxycyclopentane-1-carboxylic acid|CS-0112577|101080-22-2 https://www.jk-sci.com/products/ts246cs-0113048 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232813.png?v=1791660991 3-Amino-3-(4-methoxyphenyl)propanoic acid, 97% | 5678-45-5 3-Amino-3-(4-methoxyphenyl)propanoic acid|CS-0113048|5678-45-5 https://www.jk-sci.com/products/s57c4x-226035 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c08e1727cf5ca665063d382c424bfa9.jpg?v=1791710015 Baricitinib Impurity 35, 94.00% | 25240-33-9 Baricitinib Impurity 35|C4X-226035|25240-33-9 https://www.jk-sci.com/products/s57c4x-226039 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e4ecd6bed0fec94f448cab2a2f1064d.jpg?v=1791710009 Baricitinib Impurity 39, 99.40% | 1146629-76-6 Baricitinib Impurity 39|C4X-226039|1146629-76-6 https://www.jk-sci.com/products/s57c4x-226052 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27af90fe7797b011fef12c7c2cadff08.jpg?v=1791709999 Baricitinib Impurity 52, 94.20% | 2910813-43-1 Baricitinib Impurity 52|C4X-226052|2910813-43-1 https://www.jk-sci.com/products/ts246cs-0113921 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a851ba48a296ac0c1bd736a19c9e661d.jpg?v=1791660829 Tert-butyl 3-iodo-2-methoxybenzoate, 95% | 1613269-59-2 Tert-butyl 3-iodo-2-methoxybenzoate|CS-0113921|1613269-59-2 https://www.jk-sci.com/products/ts246cs-0114418 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1cea55bf40f1240f65ec5955a08f052a.jpg?v=1791660696 Amino-PEG2-(CH2)3COOH, 95% | 1263046-77-0 Amino-PEG2-(CH2)3COOH|CS-0114418|1263046-77-0 https://www.jk-sci.com/products/s57c4x-22606 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed4e20220947cd01e2c58226bbc73ed7.jpg?v=1791709993 Baricitinib Impurity 6, 95.80% | 2271228-51-2 Baricitinib Impurity 6|C4X-22606|2271228-51-2 https://www.jk-sci.com/products/s57c4x-226065 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d91a73ddc4b3d6f749e06a83afa8a806.jpg?v=1791709987 Baricitinib Impurity 65, 90.10% | 1187594-29-1 Baricitinib Impurity 65|C4X-226065|1187594-29-1 https://www.jk-sci.com/products/s57c4x-226076 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f81fbe6-6b0c-4e3e-a0fb-4efd409e1940.png?v=1791709978 Baricitinib Impurity 76, 91.40% Baricitinib Impurity 76|C4X-226076 https://www.jk-sci.com/products/s57c4x-22609 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57dc591e-f3bc-4124-8002-58746d06e858.png?v=1791709973 Baricitinib Impurity 9, 94.40% Baricitinib Impurity 9|C4X-22609 https://www.jk-sci.com/products/ts246cs-0114596 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/325417.png?v=1791660588 N-Methylbenzamide, 98% | 613-93-4 N-Methylbenzamide|CS-0114596|613-93-4 https://www.jk-sci.com/products/ts246cs-0114697 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbe52aa504d8949cb252016e6be1bc54.jpg?v=1793048386 Methylamino-PEG2-Boc, 95% | 1807521-04-5 Methylamino-PEG2-Boc|CS-0114697|1807521-04-5 https://www.jk-sci.com/products/s57c4x-226712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66ace07b-9d9c-4b5c-a926-0c6cd9e97a1e.png?v=1791709955 Emedastine Impurity 12, 96.70% Emedastine Impurity 12|C4X-226712 https://www.jk-sci.com/products/s57c4x-22632 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/602529_35831a3c-33e5-4f5d-850b-fa450781fae3.png?v=1791709964 Metamizole EP Impurity B (Ampyrone), 99.60% | 83-07-8 Metamizole EP Impurity B (Ampyrone)|C4X-22632|83-07-8 https://www.jk-sci.com/products/s57c4x-226720 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_792d0a01-8775-4eb4-8df1-ac3abb27485a.png?v=1791709950 Emedastine Impurity 20, 91.70% Emedastine Impurity 20|C4X-226720 https://www.jk-sci.com/products/s57c4x-226730 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c45fee04-0eef-4696-b8ac-f6878c97d20c.png?v=1791709944 Emedastine Impurity 30, 99.60% Emedastine Impurity 30|C4X-226730 https://www.jk-sci.com/products/s57c4x-226739 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e29f4a12-efe2-40c0-9c6e-156d4335499e.png?v=1791709937 Emedastine Impurity 39, 97.20% Emedastine Impurity 39|C4X-226739 https://www.jk-sci.com/products/s57c4x-22679 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3baa78cafc7728eb2a9114cfb9935540.jpg?v=1791709932 Emedastine N-Oxide, 92.50% | 122484-65-5 Emedastine N-Oxide|C4X-22679|122484-65-5 https://www.jk-sci.com/products/ts246cs-0114737 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cc4d7560262ed3aae59bc6635eeb409.jpg?v=1791660529 N-Boc-PEG5-alcohol, 97% | 1404111-67-6 N-Boc-PEG5-alcohol|CS-0114737|1404111-67-6 https://www.jk-sci.com/products/s57c4x-22741 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476361_7e6af700-4081-49fb-811d-910258fcf06f.png?v=1791709928 Adrenalone, 99.90% | 99-45-6 Adrenalone|C4X-22741|99-45-6 https://www.jk-sci.com/products/s57c4x-22755 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/040e1ed59efb263c20331bbdaeb5284e.jpg?v=1791709915 Moxidectin EP Impurity E, 94.90% | 2482741-71-7 Moxidectin EP Impurity E|C4X-22755|2482741-71-7 https://www.jk-sci.com/products/s57c4x-22815 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274973_dad0aff9-4987-406b-8163-809a4706138f.png?v=1791709900 Citric Acid Impurity 5, 97.90% | 5949-29-1 Citric Acid Impurity 5|C4X-22815|5949-29-1 https://www.jk-sci.com/products/s57c4x-22793 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c04e86e3-7bb1-4e75-a1e7-d9e9dbc233a5.png?v=1791709904 Eperisone Impurity 3, 97.10% Eperisone Impurity 3|C4X-22793 https://www.jk-sci.com/products/ts246cs-0114797 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14292b35e81e1377ba90442beabece9c.jpg?v=1791660493 m-PEG5-NH2, 97% | 5498-83-9 m-PEG5-NH2|CS-0114797|5498-83-9 https://www.jk-sci.com/products/s57c4x-228711 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a91b43109a73a6abaedb90cd0e49888.jpg?v=1791709895 Carteolol EP Impurity C, 93.80% | 51781-14-7 Carteolol EP Impurity C|C4X-228711|51781-14-7 https://www.jk-sci.com/products/s57c4x-228724 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b06694a1-abbc-49cf-b796-24bc49b60337.png?v=1791709884 Carteolol Impurity 24, 85.40% Carteolol Impurity 24|C4X-228724 https://www.jk-sci.com/products/s57c4x-22879 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc33e1f9c3f36198c036d028a5c115dd.jpg?v=1791709880 Carteolol EP Impurity D, 95.50% | 51781-13-6 Carteolol EP Impurity D|C4X-22879|51781-13-6 https://www.jk-sci.com/products/s57c4x-22914 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245182_76d998bd-0ecb-43f4-9598-3c9d84df7c4a.png?v=1791709873 Carbazochrome Sodium Sulfonate, 83.80% | 51460-26-5 Carbazochrome Sodium Sulfonate|C4X-22914|51460-26-5 https://www.jk-sci.com/products/s57c4x-229315 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_daca292e-c19d-4664-af82-7a726ee511d0.png?v=1791709858 [Asp5]-Atosiban TFA Salt, 92.00% [Asp5]-Atosiban TFA Salt|C4X-229315 https://www.jk-sci.com/products/s57c4x-22922 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421455_378eb354-f395-44f1-aef5-212418ba32c4.png?v=1791709863 Melatonin Impurity 2, 98.30% | 1210-83-9 Melatonin Impurity 2|C4X-22922|1210-83-9 https://www.jk-sci.com/products/ts246cs-0114866 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc2f57f4a3018a04ce9139e72251ec2.jpg?v=1791660480 N-(Boc-PEG4)-NH-PEG4-NH-Boc, 97.00%+ | 2112737-17-2 N-(Boc-PEG4)-NH-PEG4-NH-Boc|CS-0114866|2112737-17-2 https://www.jk-sci.com/products/s57c4x-229320 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07871c8d-2ea8-4200-9dc0-a4f14aca4e5e.png?v=1791709853 [Asp5,Gly9-OH]-Atosiban TFA Salt, 93.00% [Asp5,Gly9-OH]-Atosiban TFA Salt|C4X-229320 https://www.jk-sci.com/products/s57c4x-229326 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37dc5ac7-302c-40b5-8c76-a88bac2f964c.png?v=1791709844 [δ-Ava7]-Atosiban TFA Salt, 94.30% [δ-Ava7]-Atosiban TFA Salt|C4X-229326 https://www.jk-sci.com/products/ts246cs-0114899 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4a0a26112a83c0be221103c3b5c4360.jpg?v=1791660460 N-Boc-N-bis(PEG4-acid), 97% | 2093152-88-4 N-Boc-N-bis(PEG4-acid)|CS-0114899|2093152-88-4 https://www.jk-sci.com/products/s57c4x-229334 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_86dcce18-a8ed-43bd-a070-cb23d3b515ce.png?v=1791709833 [L-Tyr(Et)2]-Atosiban, 92.60% [L-Tyr(Et)2]-Atosiban|C4X-229334 https://www.jk-sci.com/products/s57c4x-229341 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ef625a4f-6d08-4e27-9688-c644464be437.png?v=1791709827 Atosiban Impurity 41, 90.80% Atosiban Impurity 41|C4X-229341 https://www.jk-sci.com/products/s57c4x-229347 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2de83e0a-7bb5-467e-90df-b231ff035690.png?v=1791709822 [D-Asu5]-Atosiban, 78.00% [D-Asu5]-Atosiban|C4X-229347 https://www.jk-sci.com/products/s57c4x-229355 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df3449d47dfaa09b937df4f128dcbf48.jpg?v=1791709818 Atosiban Impurity 55, 90.50% | 60195-82-6 Atosiban Impurity 55|C4X-229355|60195-82-6 https://www.jk-sci.com/products/s57c4x-22958 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/489d0193e7412797d66aeaf8489c172c.jpg?v=1791709800 Dienogest EP Impurity G, 99.20% | 86153-38-0 Dienogest EP Impurity G|C4X-22958|86153-38-0 https://www.jk-sci.com/products/s57c4x-22952 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c15fc8552dd3b6fc858cf2f88884a01.jpg?v=1791709806 Dienogest EP Impurity A, Purity: 99.3% | 86153-39-1 Dienogest EP Impurity A|C4X-22952|86153-39-1 https://www.jk-sci.com/products/ts246cs-0114922 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15189f2832063d0e0dcdc62b08ffcaf5.jpg?v=1791660455 Acid-PEG4-S-S-PEG4-acid, 95.00%+ | 2055015-40-0 Acid-PEG4-S-S-PEG4-acid|CS-0114922|2055015-40-0 https://www.jk-sci.com/products/s57c4x-22962 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a76056917562fd49d8b981dfd690d08d.jpg?v=1791709800 Kukoamine B（~10% Acetic acid）, 75.00% | 164991-67-7 Kukoamine B（~10% Acetic acid）|C4X-22962|164991-67-7 https://www.jk-sci.com/products/ts246cs-0114948 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a1b5e523799f355f6c6857c2ec3648.jpg?v=1791660436 Hydroxy-PEG2-C2-methyl ester, 98% | 457897-73-3 Hydroxy-PEG2-C2-methyl ester|CS-0114948|457897-73-3 https://www.jk-sci.com/products/s57c4x-229710 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_98b30e9e-14e8-40d7-bac9-11c94bc85ba3.png?v=1791709792 Tegoprazan Impurity 10, 91.00% Tegoprazan Impurity 10|C4X-229710 https://www.jk-sci.com/products/ts246cs-0114978 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c1e505276390c40292de842fa959baa.jpg?v=1791660426 N-Azido-PEG4-N-Boc-N-PEG3-Boc, 95% | 2093152-85-1 N-Azido-PEG4-N-Boc-N-PEG3-Boc|CS-0114978|2093152-85-1 https://www.jk-sci.com/products/ts246cs-0115003 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f50b8510f0b3038ab289f15e79b3b884.jpg?v=1791660414 N-(Hydroxy-PEG3)-N-bis(PEG4-Boc), 95% | 2112734-70-8 N-(Hydroxy-PEG3)-N-bis(PEG4-Boc)|CS-0115003|2112734-70-8 https://www.jk-sci.com/products/ts246cs-0115026 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f09d3d499a8f4a1291ea4d46429a2232.jpg?v=1791660392 HO-PEG13-OH, 97% | 17598-96-8 HO-PEG13-OH|CS-0115026|17598-96-8 https://www.jk-sci.com/products/ts246cs-0115067 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90627ae8af86c7f5cdc110f331b5aa9e.jpg?v=1793048380 Boc-N-PEG1-C2-NHS ester, 97% | 1260092-55-4 Boc-N-PEG1-C2-NHS ester|CS-0115067|1260092-55-4 https://www.jk-sci.com/products/ts246cs-0115083 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed79dd99f14250578ce29a93c13dfa37.jpg?v=1791660363 N-(Propargyl-PEG4)-biocytin, 98% | 2055042-71-0 N-(Propargyl-PEG4)-biocytin|CS-0115083|2055042-71-0 https://www.jk-sci.com/products/s57c4x-229715 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3ed98f2-9053-4b38-9113-ecefc88812aa.png?v=1791709788 Tegoprazan Impurity 15, 98.00% Tegoprazan Impurity 15|C4X-229715 https://www.jk-sci.com/products/s57c4x-229719 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b94e1eec595f13093dca4c3970744e73.jpg?v=1791709788 Tegoprazan Impurity 19, 95.40% | 2168520-25-8 Tegoprazan Impurity 19|C4X-229719|2168520-25-8 https://www.jk-sci.com/products/ts246cs-0115117 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4bb1701e801adeabb7dec787f6c618f.jpg?v=1791660353 NH-bis(PEG3-Boc), 98.00%+ | 1814901-03-5 NH-bis(PEG3-Boc)|CS-0115117|1814901-03-5 https://www.jk-sci.com/products/ts246cs-0115149 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75fec59886b53fb77e5c2674829580e4.jpg?v=1791660339 Methyltetrazine-PEG5-NHS ester, 95% | 1802907-92-1 Methyltetrazine-PEG5-NHS ester|CS-0115149|1802907-92-1 https://www.jk-sci.com/products/ts246cs-0115185 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c114cbac4f98fea151e5c9f067eb2c4.jpg?v=1791660324 3,4-Dibromo-Mal-PEG2-N-Boc, 96.00%+ | 1807537-43-4 3,4-Dibromo-Mal-PEG2-N-Boc|CS-0115185|1807537-43-4 https://www.jk-sci.com/products/ts246cs-0115226 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/727257b2403d12020325b680e0275b4c.jpg?v=1791660309 Azido-PEG4-4-nitrophenyl carbonate, 98.88%+ | 1422540-98-4 Azido-PEG4-4-nitrophenyl carbonate|CS-0115226|1422540-98-4 https://www.jk-sci.com/products/ts246cs-0115296 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7357808dd87e771fc65b4b4de597eae2.jpg?v=1791660255 Hydroxy-PEG9-Boc, 98.00%+ | 2055042-66-3 Hydroxy-PEG9-Boc|CS-0115296|2055042-66-3 https://www.jk-sci.com/products/ts246cs-0115448 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2b3a4736461d532874becaf4a078fb.jpg?v=1791660232 N-(Boc-PEG2)-N-bis(PEG3-azide), 95.00%+ | 2353409-46-6 N-(Boc-PEG2)-N-bis(PEG3-azide)|CS-0115448|2353409-46-6 https://www.jk-sci.com/products/ts246cs-0115480 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/982dff1f964b6c7bb0cfa516fdb220d0.jpg?v=1791660217 N-(Amino-PEG3)-N-bis(PEG4-Boc), 97% | 2353409-57-9 N-(Amino-PEG3)-N-bis(PEG4-Boc)|CS-0115480|2353409-57-9 https://www.jk-sci.com/products/ts246cs-0115513 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315807.png?v=1791660211 Methyl phenyl carbonate, 95% | 13509-27-8 Methyl phenyl carbonate|CS-0115513|13509-27-8 https://www.jk-sci.com/products/ts246cs-0115587 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f46fe280ab642584b94c60c9ce19fc2.jpg?v=1791660196 3-Bromo-6-chloro-2-fluorobenzaldehyde, 96.88%+ | 886615-30-1 3-Bromo-6-chloro-2-fluorobenzaldehyde|CS-0115587|886615-30-1 https://www.jk-sci.com/products/ts246cs-0115681 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/033fdf642e93ec71d4c4848eac13bbfb.jpg?v=1791660190 N-(PEG2-Boc)-N-bis(PEG2-propargyl), 95% | 2100306-69-0 N-(PEG2-Boc)-N-bis(PEG2-propargyl)|CS-0115681|2100306-69-0 https://www.jk-sci.com/products/s57c4x-22973 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb7ea3806316faffaa79011c8eecdcbc.jpg?v=1791709785 Tegoprazan Impurity 3, 99.80% | 1640981-19-6 Tegoprazan Impurity 3|C4X-22973|1640981-19-6 https://www.jk-sci.com/products/ts246cs-0115769 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463440e1ec6210b3384c81c08e198b70.jpg?v=1791660173 Mal-NH-Boc, 97% | 134272-63-2 Mal-NH-Boc|CS-0115769|134272-63-2 https://www.jk-sci.com/products/ts246cs-0115866 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80594e3cd0bd19d054ce1a2fe2f2670f.jpg?v=1791660165 (2,3-Dichloro-4-formylphenyl)boronic acid, 99.65%+ | 352535-89-8 (2,3-Dichloro-4-formylphenyl)boronic acid|CS-0115866|352535-89-8 https://www.jk-sci.com/products/ts246cs-0116034 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ecf947af5fcf8c3b32c44d4efc86ccb.jpg?v=1791660149 TCO-OH, 95% | 85081-69-2 TCO-OH|CS-0116034|85081-69-2 https://www.jk-sci.com/products/ts246cs-0116134 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/161571.png?v=1791660137 5-(2-Methoxy-4-nitrophenyl)oxazole, 99.99%+ | 198821-78-2 5-(2-Methoxy-4-nitrophenyl)oxazole|CS-0116134|198821-78-2 https://www.jk-sci.com/products/ts246cs-0116274 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c432b4815ffe74cf054ee1fe6924429a.jpg?v=1791660114 Cbz-NH-PEG3-CH2COOH, 98% | 462100-05-6 Cbz-NH-PEG3-CH2COOH|CS-0116274|462100-05-6 https://www.jk-sci.com/products/s57c4x-229743 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36e0f6d7a8cb7469f2a32f490fb77894.jpg?v=1791709780 Tegoprazan impurity 43, 99.70% | 844648-19-7 Tegoprazan impurity 43|C4X-229743|844648-19-7 https://www.jk-sci.com/products/ts246cs-0116291 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff6d050f04592aef9ac281ba1d039be3_c8185d04-b731-4e83-9fb1-af648e85d411.jpg?v=1791660109 Cbz-NH-PEG2-CH2COOH, 95.00%+ | 165454-06-8 Cbz-NH-PEG2-CH2COOH|CS-0116291|165454-06-8 https://www.jk-sci.com/products/ts246cs-0116311 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101690.png?v=1791660098 (+)-Biotin-ONP, 97.00%+ | 33755-53-2 (+)-Biotin-ONP|CS-0116311|33755-53-2 https://www.jk-sci.com/products/ts246cs-0116339 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47cc13b295a26a035c26ca116eb113f2.jpg?v=1791660094 6-Bromo-N1-methylbenzene-1,2-diamine, 96% | 1150102-47-8 6-Bromo-N1-methylbenzene-1,2-diamine|CS-0116339|1150102-47-8 https://www.jk-sci.com/products/s57c4x-22982 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4209dbac-c9a8-425b-8d70-2ef2552838f8.png?v=1791709774 Lactulose Impurity F, 98.80% Lactulose Impurity F|C4X-22982 https://www.jk-sci.com/products/ts246cs-0116442 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/213031.png?v=1791660078 tert-Butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)carbamate, 96% | 330794-35-9 tert-Butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)carbamate|CS-0116442|330794-35-9 https://www.jk-sci.com/products/ts246cs-0116522 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/458628.png?v=1791660069 4-[(4-Bromobenzyl)oxy]benzaldehyde, 99.36%+ | 149833-95-4 4-[(4-Bromobenzyl)oxy]benzaldehyde|CS-0116522|149833-95-4 https://www.jk-sci.com/products/s57c4x-22977 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37265bc5d557a8e612a771c5507cb81e.jpg?v=1791709778 Tegoprazan Impurity 7, Purity: 99.9% | 39269-74-4 Tegoprazan Impurity 7|C4X-22977|39269-74-4 https://www.jk-sci.com/products/s57c4x-23004 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234033.png?v=1791709767 Tiapride Impurity 4, Purity: 98.7% | 50390-76-6 Tiapride Impurity 4|C4X-23004|50390-76-6 https://www.jk-sci.com/products/s57c4x-23002 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22da72ada93f220ad859b94bd8895821.jpg?v=1791709770 Tiapride Impurity 2, 93.20% | 98517-73-8 Tiapride Impurity 2|C4X-23002|98517-73-8 https://www.jk-sci.com/products/ts246cs-0116604 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff3615c954ce6d9fe4b11d5e86da9ee6.jpg?v=1791660052 4-(4-Methyl-1-piperidinyl)aniline, 98% | 342013-25-6 4-(4-Methyl-1-piperidinyl)aniline|CS-0116604|342013-25-6 https://www.jk-sci.com/products/ts246cs-0116668 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3549fb98a78d68d2282b8a778bfc726d.jpg?v=1791660045 3H-Imidazo[4,5-c]pyridine-6-carboxylic acid, 95+% | 1211590-38-3 3H-Imidazo[4,5-c]pyridine-6-carboxylic acid|CS-0116668|1211590-38-3 https://www.jk-sci.com/products/ts246cs-0116718 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3832d124d1b10f929b957c2a82e9b6fc.jpg?v=1791660038 1-Methyl-1h-pyrrole-3-carbaldehyde, 95% | 36929-60-9 1-Methyl-1h-pyrrole-3-carbaldehyde|CS-0116718|36929-60-9 https://www.jk-sci.com/products/ts246cs-0116767 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae49b886c8287f7294a806237a6034ad.jpg?v=1791660021 3,4-Dibromo-1h-pyrazole, 97% | 5932-18-3 3,4-Dibromo-1h-pyrazole|CS-0116767|5932-18-3 https://www.jk-sci.com/products/ts246cs-0116846 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/575299.png?v=1791660005 2-Chloro-n-(2-chlorophenyl)acetamide, 97% | 3289-76-7 2-Chloro-n-(2-chlorophenyl)acetamide|CS-0116846|3289-76-7 https://www.jk-sci.com/products/s57c4x-23011 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601160_df3dd389-c1dc-47c8-a134-7efb8f195360.png?v=1791709761 Flutamide EP Impurity A, Purity: 99.4% | 393-11-3 Flutamide EP Impurity A|C4X-23011|393-11-3 https://www.jk-sci.com/products/ts246cs-0116979 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/934515.png?v=1791659988 2-(4-Oxocyclohexyl)-1h-isoindole-1,3(2h)-dione, 98% | 104618-32-8 2-(4-Oxocyclohexyl)-1h-isoindole-1,3(2h)-dione|CS-0116979|104618-32-8 https://www.jk-sci.com/products/s57c4x-23053 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151572.png?v=1791709756 Dacarbazine Impurity 3, 96.00% | 506-59-2 Dacarbazine Impurity 3|C4X-23053|506-59-2 https://www.jk-sci.com/products/ts246cs-0117030 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f29e10ef6f51ad64dc50ffd86d6437a.jpg?v=1791659983 (4-Bromo-3-methylphenoxy)acetic acid, 97% | 90971-89-4 (4-Bromo-3-methylphenoxy)acetic acid|CS-0117030|90971-89-4 https://www.jk-sci.com/products/s57c4x-230619 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/deee461cc282e552d5ab8818d8d7af78.jpg?v=1791709751 Cyclophosphamide Impurity 19, 97.20% | 22089-17-4 Cyclophosphamide Impurity 19|C4X-230619|22089-17-4 https://www.jk-sci.com/products/s57c4x-23101 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329925_0d372c72-37e2-4946-bf29-47eeec6e1739.png?v=1791709745 Carbidopa EP Impurity A, 87.90% | 555-30-6 Carbidopa EP Impurity A|C4X-23101|555-30-6 https://www.jk-sci.com/products/s57c4x-231012 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b5a16d14479cb78bb23d122f703acb8.jpg?v=1791709740 Carbidopa Impurity 12, 98.60% | 53832-94-3 Carbidopa Impurity 12|C4X-231012|53832-94-3 https://www.jk-sci.com/products/s57c4x-23067 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ba62605619ea0cd6a86e216c90e1b2f.jpg?v=1791709751 Cyclophosphamide EP Impurity F, 95.00% | 1071-28-9 Cyclophosphamide EP Impurity F|C4X-23067|1071-28-9 https://www.jk-sci.com/products/ts246cs-0117054 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8243bcffee9d52ad09c9356212023263.jpg?v=1791659973 7-Methyl-5-nitro-1h-indole-2,3-dione, 97% | 70343-13-4 7-Methyl-5-nitro-1h-indole-2,3-dione|CS-0117054|70343-13-4 https://www.jk-sci.com/products/ts246cs-0117117 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211344.png?v=1791659967 4-Phenyl-1h-pyrrole-3-carboxylic acid, 98.00%+ | 132040-12-1 4-Phenyl-1h-pyrrole-3-carboxylic acid|CS-0117117|132040-12-1 https://www.jk-sci.com/products/s57c4x-231014 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f8920c0-15c3-4046-9a7b-8c1d9b4880b5.png?v=1791709735 Carbidopa Impurity 14, 99.50% Carbidopa Impurity 14|C4X-231014 https://www.jk-sci.com/products/ts246cs-0117152 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/447770.png?v=1791659957 4-(1H-pyrrol-1-yl)phenol, 98% | 23351-09-9 4-(1H-pyrrol-1-yl)phenol|CS-0117152|23351-09-9 https://www.jk-sci.com/products/ts246cs-0112889 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9540e0bb7c6270041f25b8215f0b7c21.jpg?v=1791661071 (S)-1-(3-Chlorophenyl)propane-1,3-diol, 98% | 625095-57-0 (S)-1-(3-Chlorophenyl)propane-1,3-diol|CS-0112889|625095-57-0 https://www.jk-sci.com/products/s57c4x-23103 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac5f4dabc95c89fdad8f0847473a0adc.jpg?v=1791709731 Carbidopa EP Impurity C, 96.50% | 84488-77-7 Carbidopa EP Impurity C|C4X-23103|84488-77-7 https://www.jk-sci.com/products/s57c4x-23105 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7794912ba6feb7285041130f059f89a.jpg?v=1791709730 Carbidopa EP Impurity E, 94.20% | 52514-63-3 Carbidopa EP Impurity E|C4X-23105|52514-63-3 https://www.jk-sci.com/products/ts246cs-0114288 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d054c00477f863bf7224c893fd2fe26.jpg?v=1791660759 Hydroxy-PEG12-Boc, 97% | 2388521-20-6 Hydroxy-PEG12-Boc|CS-0114288|2388521-20-6 https://www.jk-sci.com/products/ts246cs-0114677 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e97ece8655b03fbf7f022ab207b0895e.jpg?v=1791660553 3'-Fluoro-4'-methylacetanilide, 98% | 458-10-6 3'-Fluoro-4'-methylacetanilide|CS-0114677|458-10-6 https://www.jk-sci.com/products/s57c4x-232116 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/568988_bfa46c2e-9a37-4172-985b-aa35f67a4c15.png?v=1791709721 Oxacillin Impurity 16, 99.50% | 1136-45-4 Oxacillin Impurity 16|C4X-232116|1136-45-4 https://www.jk-sci.com/products/s57c4x-23109 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_119deed5-4445-494f-b027-c8ebec84dd0c.png?v=1791709725 Carbidopa EP Impurity I, 92.40% Carbidopa EP Impurity I|C4X-23109 https://www.jk-sci.com/products/ts246cs-0114759 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f82cf1e56df7e8f01e8ee694b96fdd60.jpg?v=1791660516 Azido-PEG4-Boc, 97.00%+ | 581066-04-8 Azido-PEG4-Boc|CS-0114759|581066-04-8 https://www.jk-sci.com/products/s57c4x-232123 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b873ea4fe99f426a607c09448a7886db.jpg?v=1791709711 Oxacillin EP Impurity D, 96.20% | 1642559-63-4 Oxacillin EP Impurity D|C4X-232123|1642559-63-4 https://www.jk-sci.com/products/s57c4x-232120 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a83a41e-669b-4af8-85bf-9902ae4f00e1.png?v=1791709716 Oxacillin Impurity 20 HCI, Purity: 99.5% Oxacillin Impurity 20 HCI|C4X-232120 https://www.jk-sci.com/products/ts246cs-0114869 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37dfb2481d59dfda432ebe750fff2b8a.jpg?v=1791660470 Hydroxy-PEG5-C1-Boc, 97% | 1807530-05-7 Hydroxy-PEG5-C1-Boc|CS-0114869|1807530-05-7 https://www.jk-sci.com/products/ts246cs-0114937 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462726cf5ab3d52a6200a132819cb305.jpg?v=1791660444 Bromo-PEG2-phosphonic acid diethyl ester, 97% | 1226767-94-7 Bromo-PEG2-phosphonic acid diethyl ester|CS-0114937|1226767-94-7 https://www.jk-sci.com/products/s57c4x-23259 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469615.png?v=1791709705 Acetylspiramycin, 82.50% | 24916-51-6 Acetylspiramycin|C4X-23259|24916-51-6 https://www.jk-sci.com/products/s57c4x-23215 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31d2d0f05fd6922757c7ae0b02536d32.jpg?v=1791709709 Oxacillin Impurity 5, 88.70% | 5053-35-0 Oxacillin Impurity 5|C4X-23215|5053-35-0 https://www.jk-sci.com/products/ts246cs-0114991 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a2367b669eac6a8ae51e1ee8d3eb1b0.jpg?v=1791660420 NH-bis(PEG2-propargyl), 95.00%+ | 2100306-83-8 NH-bis(PEG2-propargyl)|CS-0114991|2100306-83-8 https://www.jk-sci.com/products/s57c4x-23317 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d1fce4caec98c82b18f18116c5aa13c.jpg?v=1791709689 4-Epitetracycline, 91.50% | 79-85-6 4-Epitetracycline|C4X-23317|79-85-6 https://www.jk-sci.com/products/s57c4x-2331 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88f0f8295a35d20889f9bc93b20a96b0_eb64c87d-8709-42bb-868d-14e160b75a30.jpg?v=1791709694 Tetracycline, 92.90% | 60-54-8 Tetracycline|C4X-2331|60-54-8 https://www.jk-sci.com/products/s57c4x-2330 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/423671_6a7d193a-d3dc-41ab-bd5a-c1764f534b08.png?v=1791709700 Chlortetracycline hydrochloride, 96.80% | 64-72-2 Chlortetracycline hydrochloride|C4X-2330|64-72-2 https://www.jk-sci.com/products/s57c4x-232921 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ed979297d6dd5f66103ed1bd8aae594.jpg?v=1791709700 Niraparib Impurity 21, 96.50% | 1263284-59-8 Niraparib Impurity 21|C4X-232921|1263284-59-8 https://www.jk-sci.com/products/ts246cs-0115041 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f46d9e753e679ebb272ca306f55b0cdb.jpg?v=1791660386 S-acetyl-PEG2-Boc, 96.00%+ | 1820641-93-7 S-acetyl-PEG2-Boc|CS-0115041|1820641-93-7 https://www.jk-sci.com/products/s57c4x-233211 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0afc853192cebe4ed0eb3bc23256ceae.jpg?v=1791709685 Pazufloxacin Impurity 11, 99.10% | 165071-10-3 Pazufloxacin Impurity 11|C4X-233211|165071-10-3 https://www.jk-sci.com/products/ts246cs-0115104 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430a2b2a060b655e7194fb80417e81bc.jpg?v=1791660358 N-(Boc-PEG3)-N-bis(PEG2-alcohol), 95.00%+ | 2055042-60-7 N-(Boc-PEG3)-N-bis(PEG2-alcohol)|CS-0115104|2055042-60-7 https://www.jk-sci.com/products/ts246cs-0115164 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c715f54e4b24cf4bc704544f53a5bd2b.jpg?v=1791660335 Amino-PEG2-C2-hydrazide-Boc, 97.00%+ | 2100306-60-1 Amino-PEG2-C2-hydrazide-Boc|CS-0115164|2100306-60-1 https://www.jk-sci.com/products/ts246cs-0115284 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b37befd9c772726328950cab62b7f75.jpg?v=1791660266 5-Fluoro-3-hydrazonoindolin-2-one, 96% | 283584-52-1 5-Fluoro-3-hydrazonoindolin-2-one|CS-0115284|283584-52-1 https://www.jk-sci.com/products/s57c4x-23336 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56c11a0f4e7d23fbd53a16ae17c33233.jpg?v=1791709684 Pefloxacin EP Impurity H, 91.70% | 106847-40-9 Pefloxacin EP Impurity H|C4X-23336|106847-40-9 https://www.jk-sci.com/products/ts246cs-0115374 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/268de7c1d2d191a3c2cabe6d02774297.jpg?v=1791660243 Amino-PEG12-acid, 95.00%+ | 1415408-69-3 Amino-PEG12-acid|CS-0115374|1415408-69-3 https://www.jk-sci.com/products/s57c4x-233412 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd48e4098895f89f5568d5733e74a95b.jpg?v=1791709679 Uridine Impurity 12, Purity: 96.3% | 146426-20-2 Uridine Impurity 12|C4X-233412|146426-20-2 https://www.jk-sci.com/products/ts246cs-0115504 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fd891335dd83d9b1cd39daf0e475848.jpg?v=1793048365 NH-bis(PEG4-Boc), 98% | 2055041-41-1 NH-bis(PEG4-Boc)|CS-0115504|2055041-41-1 https://www.jk-sci.com/products/ts246cs-0115628 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fe3938d4afab4edc600ba65da47bb42.jpg?v=1791660190 2-Amino-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one hydrochloride, 95% | 1312412-89-7 2-Amino-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one hydrochloride|CS-0115628|1312412-89-7 https://www.jk-sci.com/products/s57c4x-23343 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2245a4cecb977a087ee6506dde78e763.jpg?v=1791709675 Ribofuranose, Purity: 100.0% | 15761-67-8 Ribofuranose|C4X-23343|15761-67-8 https://www.jk-sci.com/products/ts246cs-0115790 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439903_48b3e302-a010-46d3-9077-4e56ef49fe3f.png?v=1791660173 mPEG-amine (MW 20000), MW 20000 | 80506-64-5 mPEG-amine (MW 20000)|CS-0115790|80506-64-5 https://www.jk-sci.com/products/s57c4x-2338 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225895_f754d87b-f0fc-47fc-b939-aefabb25b771.png?v=1791709666 Homovanillic acid, 93.00% | 306-08-1 Homovanillic acid|C4X-2338|306-08-1 https://www.jk-sci.com/products/s57c4x-2354 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d12e0ca9b0a12a15d7c713d0bc55f34.jpg?v=1791709657 Gonadorelin Acetate, Purity: 100.0% | 34973-08-5 Gonadorelin Acetate|C4X-2354|34973-08-5 https://www.jk-sci.com/products/s57c4x-23374 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cce9697192788cd10318a5cf792c04f9.jpg?v=1791709674 Piperaquine Impurity 4, 98.30% | 86486-21-7 Piperaquine Impurity 4|C4X-23374|86486-21-7 https://www.jk-sci.com/products/s57c4x-2360 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550881_4038721d-cab6-4427-8c44-8eca568319a8.png?v=1791709656 GLP-1(7-37), 90.40% | 106612-94-6 GLP-1(7-37)|C4X-2360|106612-94-6 https://www.jk-sci.com/products/ts246cs-0116278 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420548_1ea72513-0499-48ed-b578-264c6f1db57e.png?v=1791660114 Biotin-C5-amino-C5-amino, 98% | 89889-51-0 Biotin-C5-amino-C5-amino|CS-0116278|89889-51-0 https://www.jk-sci.com/products/s57c4x-2342 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/589128.png?v=1791709663 Sermorelin, 79.40% | 86168-78-7 Sermorelin|C4X-2342|86168-78-7 https://www.jk-sci.com/products/ts246cs-0116337 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6151a170437c135583f9590da0c5c266.jpg?v=1791660098 2-Bromo-N-methyl-6-nitroaniline, 98% | 1004618-77-2 2-Bromo-N-methyl-6-nitroaniline|CS-0116337|1004618-77-2 https://www.jk-sci.com/products/s57c4x-237317 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273667.png?v=1791709652 Ganirelix Impurity 17, 94.40% | 129225-22-5 Ganirelix Impurity 17|C4X-237317|129225-22-5 https://www.jk-sci.com/products/ts246cs-0116485 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406199.png?v=1791660074 Boc-NH-C12-NH2, 97.00%+ | 109792-60-1 Boc-NH-C12-NH2|CS-0116485|109792-60-1 https://www.jk-sci.com/products/s57c4x-237913 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/165f1e07c8e205422d32a16beeb08682.jpg?v=1791709646 Imrecoxib Impurity 13, 99.40% | 1338083-52-5 Imrecoxib Impurity 13|C4X-237913|1338083-52-5 https://www.jk-sci.com/products/ts246cs-0116607 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c26cb1936a0ce0eb25a6da777f5185d3.jpg?v=1791660052 N-benzyl-2-cyanoacetamide, 99.45%+ | 10412-93-8 N-benzyl-2-cyanoacetamide|CS-0116607|10412-93-8 https://www.jk-sci.com/products/s57c4x-23792 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e7ed0b76-ab2e-4536-a8e6-ff9fe7410787.png?v=1791709642 Imrecoxib Impurity 92, 98.80% Imrecoxib Impurity 92|C4X-23792 https://www.jk-sci.com/products/s57c4x-237926 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39c860bd3dea4eba907450126a52d977.jpg?v=1791709636 Imrecoxib Impurity 26, 99.00% | 2305368-54-9 Imrecoxib Impurity 26|C4X-237926|2305368-54-9 https://www.jk-sci.com/products/s57c4x-238114 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281108.png?v=1791709630 Fluocinolone Acetonide EP Impurity M, 98.90% | 356-12-7 Fluocinolone Acetonide EP Impurity M|C4X-238114|356-12-7 https://www.jk-sci.com/products/s57c4x-23813 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2a7753dd77425a94619b4d47a94ae76_d339350f-ff56-44d7-8299-12157d2300f9.jpg?v=1791709625 Fluocinolone Acetonide EP Impurity C, 98.50% | 807-38-5 Fluocinolone Acetonide EP Impurity C|C4X-23813|807-38-5 https://www.jk-sci.com/products/s57c4x-23811 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e88f2d5b38ba5ba67a656a23e305fbc7.jpg?v=1791709632 Fluocinolone Acetonide EP Impurity A, 96.60% | 106931-78-6 Fluocinolone Acetonide EP Impurity A|C4X-23811|106931-78-6 https://www.jk-sci.com/products/s57c4x-23814 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0d08d05891c94fa6a8b0d2fb5821ecf.jpg?v=1791709621 Fluocinolone Acetonide EP Impurity D, 94.30% | 13242-30-3 Fluocinolone Acetonide EP Impurity D|C4X-23814|13242-30-3 https://www.jk-sci.com/products/ts246cs-0116725 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136049.png?v=1791660033 4-Methoxybenzohydrazide, 97% | 3290-99-1 4-Methoxybenzohydrazide|CS-0116725|3290-99-1 https://www.jk-sci.com/products/s57c4x-23845 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48abb1b3bd91a10a214fb5f836a6e624.jpg?v=1791709601 Acetazolamide EP Impurity F, 97.00% | 80495-47-2 Acetazolamide EP Impurity F|C4X-23845|80495-47-2 https://www.jk-sci.com/products/s57c4x-23848 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b69d75f0600651b19e58d1b9f0e4c1ec_8ca42b17-f88a-4e5c-b023-c2171895b427.jpg?v=1791709597 Acetazolamide Impurity 8, 99.20% | 60320-32-3 Acetazolamide Impurity 8|C4X-23848|60320-32-3 https://www.jk-sci.com/products/s57c4x-23971 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdd18600439b6146d51131e6dea46bcb.jpg?v=1791709597 O-Desmethyl Methoxyphenamine, 97.40% | 61866-77-1 O-Desmethyl Methoxyphenamine|C4X-23971|61866-77-1 https://www.jk-sci.com/products/s57c4x-239916 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6450493a0fe7e15a899c992bb375726.jpg?v=1791709580 Peridine Impurity 16, Purity: 99.6% | 53484-76-7 Peridine Impurity 16|C4X-239916|53484-76-7 https://www.jk-sci.com/products/s57c4x-23985 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ff059e4dfb108fd6c20f7fbb6e5dbb4.jpg?v=1791709584 Levodropropizine Impurity 5, Purity: 100.0% | 14340-33-1 Levodropropizine Impurity 5|C4X-23985|14340-33-1 https://www.jk-sci.com/products/s57c4x-23982 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f78c242314bed4143fda6b5e2067084.jpg?v=1791709586 Levodropropizine EP Impurity A (Dextrodropropizine), Purity: 100.0% | 99291-24-4 Levodropropizine EP Impurity A (Dextrodropropizine)|C4X-23982|99291-24-4 https://www.jk-sci.com/products/s57c4x-23973 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_11aef493-e712-4556-9f1f-f3cd527932a4.png?v=1791709590 Methoxyphenamine Impurity 73, 94.10% Methoxyphenamine Impurity 73|C4X-23973 https://www.jk-sci.com/products/s57c4x-23998 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404739.png?v=1791709574 Peridine Impurity 8 Dihydrochloride, 97.10% | 76508-73-1 Peridine Impurity 8 Dihydrochloride|C4X-23998|76508-73-1 https://www.jk-sci.com/products/s57c4x-239922 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6eb81821-5fa2-4e9f-bb01-ec3cdebeb8a3.png?v=1791709576 N-(2-(4-hydroxypiperidin-1-yl)ethyl)-N-methylnitrous amide, 98.00% N-(2-(4-hydroxypiperidin-1-yl)ethyl)-N-methylnitrous amide|C4X-239922 https://www.jk-sci.com/products/ts246cs-0116944 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/547672_12da6988-45b3-44b8-9ba2-7b5f979f98ac.png?v=1791659993 3-Phenyl-2-thioxoimidazolidin-4-one, 98% | 2010-15-3 3-Phenyl-2-thioxoimidazolidin-4-one|CS-0116944|2010-15-3 https://www.jk-sci.com/products/s57c4x-24022 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa9d2c73ed418e7dc48a1adc2545a3b6.jpg?v=1791709565 Toltrazuril Impurity 2, Purity: 99.8% | 94155-78-9 Toltrazuril Impurity 2|C4X-24022|94155-78-9 https://www.jk-sci.com/products/s57c4x-240314 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/145294.png?v=1791709560 Tibolone Impurity 14, 98.20% | 88247-84-1 Tibolone Impurity 14|C4X-240314|88247-84-1 https://www.jk-sci.com/products/ts246cs-0117031 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/218040.png?v=1791659982 3-(4-Methylphenyl)-2-oxopropanoic acid, 98% | 38335-22-7 3-(4-Methylphenyl)-2-oxopropanoic acid|CS-0117031|38335-22-7 https://www.jk-sci.com/products/s57c4x-240511 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1834d2b13ec4bc7c1a8f71741c59d318.jpg?v=1791709551 Upadacitinib Impurity 11, 93.00% | 1708997-43-6 Upadacitinib Impurity 11|C4X-240511|1708997-43-6 https://www.jk-sci.com/products/s57c4x-240413 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_254fdc13-4eb2-40cc-babf-ac0c10687827.png?v=1791709557 Opicapone impurity 13, Purity: 96.0% Opicapone impurity 13|C4X-240413 https://www.jk-sci.com/products/ts246cs-0117134 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a306aed9353eff5742fb47ed91aa81.jpg?v=1791659961 N1,N1-dimethyl-4-(trifluoromethyl)benzene-1,2-diamine, 95+% | 183251-95-8 N1,N1-dimethyl-4-(trifluoromethyl)benzene-1,2-diamine|CS-0117134|183251-95-8 https://www.jk-sci.com/products/ts246cs-0117171 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd3a457bc367608283678e9e6b426ef8.jpg?v=1791659951 3-(Methoxymethyl)benzoic acid, 97.61%+ | 32194-76-6 3-(Methoxymethyl)benzoic acid|CS-0117171|32194-76-6 https://www.jk-sci.com/products/s57c4x-240514 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90b904f3dbc7f55d3f455e3ecaa5197e.jpg?v=1791709541 Upadacitinib Impurity 14, 99.20% | 1428243-27-9 Upadacitinib Impurity 14|C4X-240514|1428243-27-9 https://www.jk-sci.com/products/s57c4x-240515 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69d5a04667710e1628012073d527fc70.jpg?v=1791709536 Upadacitinib Impurity 15, 99.90% | 1201187-44-1 Upadacitinib Impurity 15|C4X-240515|1201187-44-1 https://www.jk-sci.com/products/s57c4x-24042 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7890d3347586869339408a8f70fd3be.jpg?v=1791709552 Opicapone, 99.80% | 923287-50-7 Opicapone|C4X-24042|923287-50-7 https://www.jk-sci.com/products/s57c4x-240517 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7a3a94d474083845db5cb8866d97e4d_41a214cf-a8ef-4adf-a0d5-e4d8c0a8e373.jpg?v=1791709531 Upadacitinib Impurity 17, 99.80% | 1201186-54-0 Upadacitinib Impurity 17|C4X-240517|1201186-54-0 https://www.jk-sci.com/products/s57c4x-240521 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f708dad3c8650cb0bd77310a2e51f69a.jpg?v=1791709523 Upadacitinib Impurity 21, 92.10% | 2715120-86-6 Upadacitinib Impurity 21|C4X-240521|2715120-86-6 https://www.jk-sci.com/products/s57c4x-24052 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f90428ad9c709b75603732f75c5af4b.jpg?v=1791709532 Upadacitinib Impurity 2, 98.40% | 1201187-46-3 Upadacitinib Impurity 2|C4X-24052|1201187-46-3 https://www.jk-sci.com/products/s57c4x-240526 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_87dd5915-31e0-4a51-b106-815b3eb5bbe8.png?v=1791709513 Upadacitinib Impurity 26, 92.70% Upadacitinib Impurity 26|C4X-240526 https://www.jk-sci.com/products/s57c4x-240524 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61f631483b96c42b376142fea94d7d51.jpg?v=1791709523 Upadacitinib Impurity 24, 98.60% | 1869118-24-0 Upadacitinib Impurity 24|C4X-240524|1869118-24-0 https://www.jk-sci.com/products/ts246cs-0117555 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a4c6914b5b27bba8ec14a7d46ba84be.jpg?v=1791659932 1-Tert-butyl-1h-pyrrole-3-carboxylic acid, 98.00%+ | 1266364-46-8 1-Tert-butyl-1h-pyrrole-3-carboxylic acid|CS-0117555|1266364-46-8 https://www.jk-sci.com/products/ts246cs-0118029 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f92152c4ec7821687866616c18ca886.jpg?v=1791659909 N-(4-Amino-3,5-dimethylphenyl)-n,n-dimethylamine, 95.00%+ | 27746-08-3 N-(4-Amino-3,5-dimethylphenyl)-n,n-dimethylamine|CS-0118029|27746-08-3 https://www.jk-sci.com/products/s57c4x-240529 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/618cd06f26bcecb2c5c8b277b8146490.jpg?v=1791709514 Upadacitinib Impurity 29, 98.10% | 2868258-96-0 Upadacitinib Impurity 29|C4X-240529|2868258-96-0 https://www.jk-sci.com/products/s57c4x-19678 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37e57f512f4e4f19848acb4c2d30deb0.jpg?v=1791711919 7a-Hydroxy-4-cholesten-3-one, Purity: 99.8% | 3862-25-7 7a-Hydroxy-4-cholesten-3-one|C4X-19678|3862-25-7 https://www.jk-sci.com/products/ts246cs-0118175 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eea8e66a5f9d3e0bceee9a603a818bed.jpg?v=1791659886 2-Ethoxy-4-(1-pyrrolidinyl)benzaldehyde, 98% | 879047-44-6 2-Ethoxy-4-(1-pyrrolidinyl)benzaldehyde|CS-0118175|879047-44-6 https://www.jk-sci.com/products/ts246cs-0118636 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b517ed4439de229471b6306a545b3a69.jpg?v=1791659871 (2-Fluoroanilino)acetic acid, 98% | 5319-42-6 (2-Fluoroanilino)acetic acid|CS-0118636|5319-42-6 https://www.jk-sci.com/products/ts246cs-0118899 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1e6178f727c40392073b92acb41b7f.jpg?v=1791659860 4-(2-Bromoethoxy)-3-methoxybenzaldehyde, 97% | 99070-23-2 4-(2-Bromoethoxy)-3-methoxybenzaldehyde|CS-0118899|99070-23-2 https://www.jk-sci.com/products/s57c4x-20464 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c9bf643a1c6325ac5618cece23bc486.jpg?v=1791711180 Ketotifen EP Impurity D, 96.30% | 88456-70-6 Ketotifen EP Impurity D|C4X-20464|88456-70-6 https://www.jk-sci.com/products/s57c4x-208440 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2d7cd9fe-91ac-4d22-9558-d3d394087e70.png?v=1791710949 Lusutrombopag Impurity 40, 95.70% Lusutrombopag Impurity 40|C4X-208440 https://www.jk-sci.com/products/ts246cs-0119300 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a1619ddd7f3b35183bf0a79da128976.jpg?v=1791659834 tert-Butyl 5-bromo-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate, 95% | 916258-24-7 tert-Butyl 5-bromo-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate|CS-0119300|916258-24-7 https://www.jk-sci.com/products/s57c4x-2108 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f387fa6e26740ee1342c0c1ce6fae51d.jpg?v=1791710836 Baloxavir, 97.60% | 1985605-59-1 Baloxavir|C4X-2108|1985605-59-1 https://www.jk-sci.com/products/s57c4x-21267 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603604_d4eeaefd-28ad-4489-b33c-8bd914138c27.png?v=1791710720 Phenoxymethylpenicillin Impurity 7, 99.90% | 122-59-8 Phenoxymethylpenicillin Impurity 7|C4X-21267|122-59-8 https://www.jk-sci.com/products/s57c4x-21534 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb063600e5b0e49290f4f4f3a33455cb_ae452c17-60d4-484a-b92a-5380011a94cb.jpg?v=1791710636 Nifuroxazide EP Impurity D, 99.60% | 112537-96-9 Nifuroxazide EP Impurity D|C4X-21534|112537-96-9 https://www.jk-sci.com/products/s57c4x-21835 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eee0160bbdcfed62dc5980af727a8154.jpg?v=1791710578 Dydrogesterone Impurity 5, 91.00% | 5488-51-7 Dydrogesterone Impurity 5|C4X-21835|5488-51-7 https://www.jk-sci.com/products/s57c4x-22037 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a5f3e9570023a5406f353b731f17fae.jpg?v=1791710514 Citicoline Impurity 7, Purity: 97.0% | 99492-83-8 Citicoline Impurity 7|C4X-22037|99492-83-8 https://www.jk-sci.com/products/s57c4x-2213117 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8d529879-ea45-4894-a09d-260408af9b6d.png?v=1791710454 Roxadustat Impurity 117, 92.50% Roxadustat Impurity 117|C4X-2213117 https://www.jk-sci.com/products/s57c4x-221529 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_18e56bd6-73a3-4eb1-8ab3-8ee78ab5b103.png?v=1791710389 Desmopressin Impurity 29, Purity: 99.3% Desmopressin Impurity 29|C4X-221529 https://www.jk-sci.com/products/s57c4x-221744 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dada849a9bb343bcedee9c639f981a34.jpg?v=1791710362 Phloroglucinol impurity 44, 96.00% | 23957-21-3 Phloroglucinol impurity 44|C4X-221744|23957-21-3 https://www.jk-sci.com/products/s57c4x-2226 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/856ae193254447d6eba5d3197691294a_bfb74804-8252-4e2e-b935-f7e6f672724d.jpg?v=1791710333 Semaglutide, 89.60% | 910463-68-2 Semaglutide|C4X-2226|910463-68-2 https://www.jk-sci.com/products/s57c4x-222913 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0aee792cdd8e37cf0b1f44071a14d0c4.jpg?v=1791710298 Pirfenidone Impurity 13, 99.20% | 2251047-36-4 Pirfenidone Impurity 13|C4X-222913|2251047-36-4 https://www.jk-sci.com/products/s57c4x-223426 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5a5d57067b3117107683f8010b592c2.jpg?v=1791710255 Avatrombopag Impurity 26, Purity: 97.0% | 959042-70-7 Avatrombopag Impurity 26|C4X-223426|959042-70-7 https://www.jk-sci.com/products/s57c4x-223490 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ce1169ace88bda35e108b4e5f774111.jpg?v=1791710215 Avatrombopag Impurity 90, 99.50% | 24252-38-8 Avatrombopag Impurity 90|C4X-223490|24252-38-8 https://www.jk-sci.com/products/ts246cs-0119369 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/919f4bbc69011e1edb1ff7eae5e522ed.jpg?v=1791659828 1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one, 97% | 870067-55-3 1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one|CS-0119369|870067-55-3 https://www.jk-sci.com/products/s57c4x-22385 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dd794ea489567de3f82f023268120da.jpg?v=1791710189 Isosorbide Dinitrate Impurity 5, 94.40% | 13042-39-2 Isosorbide Dinitrate Impurity 5|C4X-22385|13042-39-2 https://www.jk-sci.com/products/s57c4x-22506 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a93ea6765f3bd74e2c93a9b9e4d22668.jpg?v=1791710151 Benzbromarone EP Impurity C, 95.90% | 1477-19-6 Benzbromarone EP Impurity C|C4X-22506|1477-19-6 https://www.jk-sci.com/products/s57c4x-225540 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f6170985-c343-4303-8455-f66f6993531b.png?v=1791710073 Polymyxin Impurity 40 TFA, 93.00% Polymyxin Impurity 40 TFA|C4X-225540 https://www.jk-sci.com/products/s57c4x-225314 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb0d8294c17f4cccb1a0a4f8856f9bd6.jpg?v=1791710117 Bilastine Impurity 14, 91.80% | 2767508-98-3 Bilastine Impurity 14|C4X-225314|2767508-98-3 https://www.jk-sci.com/products/s57c4x-22571 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975f6c7e70256c519cd3224402c2c564.jpg?v=1791710060 Gadoteridol Impurity 1, Purity: 99.9% | 229312-33-8 Gadoteridol Impurity 1|C4X-22571|229312-33-8 https://www.jk-sci.com/products/s57c4x-22535 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/159837_88e22d7d-0e37-4e6e-855b-8fdcea63b5dc.png?v=1791710094 Bilastine Impurity 5, 99.30% | 38385-95-4 Bilastine Impurity 5|C4X-22535|38385-95-4 https://www.jk-sci.com/products/s57c4x-22601 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73922cb27b85dd9f41484ca2df8c0106.jpg?v=1791710044 Baricitinib Impurity 1, 98.30% | 2964606-42-4 Baricitinib Impurity 1|C4X-22601|2964606-42-4 https://www.jk-sci.com/products/s57c4x-226021 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7c517b089d83108c137e1aa44a87353.jpg?v=1791710024 Baricitinib Impurity 21, 92.90% | 1024120-52-2 Baricitinib Impurity 21|C4X-226021|1024120-52-2 https://www.jk-sci.com/products/ts246cs-0119437 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430954.png?v=1791659801 N-(3-Phenylpropionyl)glycine, 98% | 56613-60-6 N-(3-Phenylpropionyl)glycine|CS-0119437|56613-60-6 https://www.jk-sci.com/products/s57c4x-226037 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bda265dba0774cadf7b3cdafb795a556.jpg?v=1791710009 Baricitinib Impurity 37, 98.50% | 2055723-13-0 Baricitinib Impurity 37|C4X-226037|2055723-13-0 https://www.jk-sci.com/products/s57c4x-226058 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_028b49f0-19d2-4101-9650-77cd5466b2d8.png?v=1791709997 Baricitinib Impurity 58, 94.90% Baricitinib Impurity 58|C4X-226058 https://www.jk-sci.com/products/s57c4x-226071 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_50c1c228-1e30-4ec2-a2ab-0285a652f294.png?v=1791709983 Baricitinib Impurity 71, 96.50% Baricitinib Impurity 71|C4X-226071 https://www.jk-sci.com/products/ts246cs-0119467 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/285881.png?v=1791659784 2-Ethyl-4-fluorophenol, 97% | 398-71-0 2-Ethyl-4-fluorophenol|CS-0119467|398-71-0 https://www.jk-sci.com/products/s57c4x-22614 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f49b29b4c8f95daab896751e304637b4.jpg?v=1791709964 25-Hydroxyvitamin D2-d3, Purity>95% | 1217467-39-4 25-Hydroxyvitamin D2-d3|C4X-22614|1217467-39-4 https://www.jk-sci.com/products/s57c4x-226714 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7d4b9c12-485d-4705-8287-606affee176a.png?v=1791709952 Emedastine EP Impurity E 2HCl, 97.00% Emedastine EP Impurity E 2HCl|C4X-226714 https://www.jk-sci.com/products/s57c4x-22693 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d807b05a82586fb1890e5e74cd77f40.jpg?v=1791709926 Ponatinib-d8, Purity>95% | 1562993-37-6 Ponatinib-d8|C4X-22693|1562993-37-6 https://www.jk-sci.com/products/s57c4x-2284 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36b758e8771406f0775e9169136a635d.jpg?v=1791709896 Methisosildenafil, Purity: 98.7% | 496835-35-9 Methisosildenafil|C4X-2284|496835-35-9 https://www.jk-sci.com/products/ts246cs-0119530 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137614.png?v=1791659778 tert-Butyl 4-chloro-3-oxobutanoate, 95% | 74530-56-6 tert-Butyl 4-chloro-3-oxobutanoate|CS-0119530|74530-56-6 https://www.jk-sci.com/products/s57c4x-226733 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_944b9d33-19d1-4e82-ac7a-1d10c96cf8b7.png?v=1791709940 Emedastine Impurity 33, 94.30% Emedastine Impurity 33|C4X-226733 https://www.jk-sci.com/products/s57c4x-22761 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1311797f2abc6ebf41e883537dc693de.jpg?v=1791709910 Lomustine EP Impurity A, 95.00% | 2214-72-4 Lomustine EP Impurity A|C4X-22761|2214-72-4 https://www.jk-sci.com/products/s57c4x-228730 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b023cb3d-b557-4092-a1a6-1126bca8ef5c.png?v=1791709883 Carteolol Impurity 30, 99.30% Carteolol Impurity 30|C4X-228730 https://www.jk-sci.com/products/s57c4x-229332 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e77fe422-15e1-4259-8f42-e836a681b960.png?v=1791709844 Atosiban Impurity 32, 81.80% Atosiban Impurity 32|C4X-229332 https://www.jk-sci.com/products/s57c4x-229213 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4ab7cc35-e5e2-4687-afaa-394212f51fe2.png?v=1791709867 Melatonin impurity 13, 99.90% Melatonin impurity 13|C4X-229213 https://www.jk-sci.com/products/s57c4x-229318 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1eb9880f-061c-472a-ba20-8edbdd42f13f.png?v=1791709853 [Des-Pro7]-Atosiban TFA Salt, 90.40% [Des-Pro7]-Atosiban TFA Salt|C4X-229318 https://www.jk-sci.com/products/ts246cs-0119664 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d77d78ed038a869afb91a8a801b3d63.jpg?v=1791659765 1-Bromo-8-methoxynaphthalene, 97% | 83710-60-5 1-Bromo-8-methoxynaphthalene|CS-0119664|83710-60-5 https://www.jk-sci.com/products/s57c4x-22959 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56460c383fc0647a0a0418202b50dc84.jpg?v=1791709800 Dienogest EP Impurity H, 91.40% | 16669-06-0 Dienogest EP Impurity H|C4X-22959|16669-06-0 https://www.jk-sci.com/products/s57c4x-229343 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_10ba6c7d-1f8a-4de7-864f-e9297d8a2edf.png?v=1791709823 [D-Asp5]-Atosiban, 90.20% [D-Asp5]-Atosiban|C4X-229343 https://www.jk-sci.com/products/s57c4x-229511 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d5ebfe9d0cf4262b8678591bcc2145c.jpg?v=1791709811 Dienogest EP Impurity J, 98.90% | 24284-84-2 Dienogest EP Impurity J|C4X-229511|24284-84-2 https://www.jk-sci.com/products/ts246cs-0119763 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cc1052d59021e8903abc49e4e20d4de.jpg?v=1791659728 Ethyl 1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylate, 98% | 956191-77-8 Ethyl 1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylate|CS-0119763|956191-77-8 https://www.jk-sci.com/products/s57c4x-229712 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f2fb9dd6a39df68dabe03fa39d50d6c.jpg?v=1791709795 Tegoprazan Impurity 12, 99.80% | 1640981-20-9 Tegoprazan Impurity 12|C4X-229712|1640981-20-9 https://www.jk-sci.com/products/s57c4x-229745 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5a394b7d1f5c0703bf768c05dc77fea.jpg?v=1791709780 Tegoprazan impurity 45, 96.60% | 1111086-20-4 Tegoprazan impurity 45|C4X-229745|1111086-20-4 https://www.jk-sci.com/products/ts246cs-0119773 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29f3c7231205570c35d7399e57db9b6c.jpg?v=1791659715 2-(1H-Imidazol-5-yl)pyridine, 99.65%+ | 16576-78-6 2-(1H-Imidazol-5-yl)pyridine|CS-0119773|16576-78-6 https://www.jk-sci.com/products/s57c4x-22972 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e95117af8f11f2b534f444104c717493.jpg?v=1791709785 5,7-Difluorochroman-4-one, 99.20% | 844648-22-2 5,7-Difluorochroman-4-one|C4X-22972|844648-22-2 https://www.jk-sci.com/products/ts246cs-0119811 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472352.png?v=1791659704 tert-Butyl (10-bromodecyl)carbamate, 97.00%+ | 887353-29-9 tert-Butyl (10-bromodecyl)carbamate|CS-0119811|887353-29-9 https://www.jk-sci.com/products/ts246cs-0119828 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b24c1d5219813fa3c6b3564cda14557.jpg?v=1791659698 5-(Cyclopropylmethoxy)-1H-pyrazol-3-amine, 98.00%+ | 852443-66-4 5-(Cyclopropylmethoxy)-1H-pyrazol-3-amine|CS-0119828|852443-66-4 https://www.jk-sci.com/products/ts246cs-0119849 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120567cb5431f2532fb5f8720340d350.jpg?v=1791659679 Methyl 4-((trimethylsilyl)ethynyl)benzoate, 95% | 75867-41-3 Methyl 4-((trimethylsilyl)ethynyl)benzoate|CS-0119849|75867-41-3 https://www.jk-sci.com/products/s57c4x-22983 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/247532_3e7da6a1-1718-4448-ae63-f20b32d947a8.png?v=1791709775 Epilactose, 90.10% | 20869-27-6 Epilactose|C4X-22983|20869-27-6 https://www.jk-sci.com/products/ts246cs-0119862 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6302a3497f0c07c4404540663094243.jpg?v=1791659663 6-Chloropicolinamide, 98.00%+ | 70593-61-2 6-Chloropicolinamide|CS-0119862|70593-61-2 https://www.jk-sci.com/products/ts246cs-0119866 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4648cf92b212651a570707e0f0d7376.jpg?v=1791659664 2-Bromo-5-methoxy-4-(trifluoromethyl)aniline, 97% | 694514-19-7 2-Bromo-5-methoxy-4-(trifluoromethyl)aniline|CS-0119866|694514-19-7 https://www.jk-sci.com/products/s57c4x-230610 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156442_4de4c707-a6c6-4977-a417-bdb85adb1b45.png?v=1791709756 Cyclophosphamide Impurity 10, 99.10% | 821-48-7 Cyclophosphamide Impurity 10|C4X-230610|821-48-7 https://www.jk-sci.com/products/s57c4x-23005 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254189_436e5efc-78d7-4e1a-b8ac-f3e373420a85.png?v=1791709766 Tiapride Impurity 5, Purity: 100.0% | 63484-12-8 Tiapride Impurity 5|C4X-23005|63484-12-8 https://www.jk-sci.com/products/s57c4x-23068 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c5fafaac486f691908772a6d6d56467.jpg?v=1791709745 Cyclophosphamide EP Impurity E DiHCl, Purity: 99.1% | 158401-51-5 Cyclophosphamide EP Impurity E DiHCl|C4X-23068|158401-51-5 https://www.jk-sci.com/products/ts246cs-0111253 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef1e6465ca858aafd59103ad34c40304.jpg?v=1791661555 3,3''-Difluoro-5'-(3-fluoro-4-formylphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde, 95% | 2088007-04-7 3,3''-Difluoro-5'-(3-fluoro-4-formylphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde|CS-0111253|2088007-04-7 https://www.jk-sci.com/products/ts246cs-0114526 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d56f2dcd3d9061fc41f5ef190d1bde39.jpg?v=1791660658 N-(Azido-PEG4)-biocytin, 97% | 2055042-70-9 N-(Azido-PEG4)-biocytin|CS-0114526|2055042-70-9 https://www.jk-sci.com/products/s57c4x-231013 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/978dd1813c6e4b8b219ba35b50dcf2dd.jpg?v=1791709736 (R)-Carbidopa, 91.40% | 28875-92-5 (R)-Carbidopa|C4X-231013|28875-92-5 https://www.jk-sci.com/products/s57c4x-232113 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37439f82e43a6c316d41351cc6d8047c.jpg?v=1791709727 Oxacillin EP Impurity B（Mixture of Enantiomer）, 83.40% | 1642629-95-5 Oxacillin EP Impurity B（Mixture of Enantiomer）|C4X-232113|1642629-95-5 https://www.jk-sci.com/products/ts246cs-0114852 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbaa64615eca7b7031d8582b81e10109.jpg?v=1791660484 Bis-aminooxy-PEG4, 96% | 98627-72-6 Bis-aminooxy-PEG4|CS-0114852|98627-72-6 https://www.jk-sci.com/products/s57c4x-23104 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b67747530daabc3a8ab0ef5cb227451b.jpg?v=1791709731 Carbidopa EP Impurity D, 91.60% | 934371-48-9 Carbidopa EP Impurity D|C4X-23104|934371-48-9 https://www.jk-sci.com/products/ts246cs-0114955 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1248b97e3733210b85847ab0bb1f94e0.jpg?v=1791660431 N-(Azido-PEG3)-N-bis(PEG4-acid), 97% | 2112731-54-9 N-(Azido-PEG3)-N-bis(PEG4-acid)|CS-0114955|2112731-54-9 https://www.jk-sci.com/products/s57c4x-232121 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_75e77d81-5e78-4a06-9c97-f7e7af970103.png?v=1791709716 Oxacillin EP Impurity G, 95.90% Oxacillin EP Impurity G|C4X-232121 https://www.jk-sci.com/products/s57c4x-23217 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a50748c6-81c2-492b-ad59-d0fa582267f7.png?v=1791709704 Oxacillin Impurity 7, 95.90% Oxacillin Impurity 7|C4X-23217 https://www.jk-sci.com/products/s57c4x-232923 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f43564138aeb13e38fdf9953129d913f.jpg?v=1791709698 Niraparib R-enantiomer p-tosylate, 92.30% | 1038915-58-0 Niraparib R-enantiomer p-tosylate|C4X-232923|1038915-58-0 https://www.jk-sci.com/products/ts246cs-0115078 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2187f8b4eaa5d47f39e15884307aaa2a.jpg?v=1791660368 N-Mal-N-bis(PEG2-NH-Boc), 96% | 2128735-26-0 N-Mal-N-bis(PEG2-NH-Boc)|CS-0115078|2128735-26-0 https://www.jk-sci.com/products/ts246cs-0115212 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05a594fff6c81caa7c753e0e3680779d.jpg?v=1791660314 N-(Aminooxy-PEG3)-N-bis(PEG4-Boc), 97% | 2112737-19-4 N-(Aminooxy-PEG3)-N-bis(PEG4-Boc)|CS-0115212|2112737-19-4 https://www.jk-sci.com/products/ts246cs-0115476 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30388970003e9285646ede40a237c2ad.jpg?v=1791660222 N,N'-DME-N-PEG2-Boc, 97% | 2279944-69-1 N,N'-DME-N-PEG2-Boc|CS-0115476|2279944-69-1 https://www.jk-sci.com/products/s57c4x-233221 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97a7b09808a745e6c1d99691bbf5ab4d.jpg?v=1791709684 Pazufloxacin lmpurity21 HCI, 98.20% | 171567-51-4 Pazufloxacin lmpurity21 HCI|C4X-233221|171567-51-4 https://www.jk-sci.com/products/s57c4x-23313 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8c8535b07a27355494f4cef64e0af67.jpg?v=1791709690 Tetracycline EP Impurity C, 94.20% | 1665-56-1 Tetracycline EP Impurity C|C4X-23313|1665-56-1 https://www.jk-sci.com/products/ts246cs-0115724 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a47075f269c78fb2adb75131d5459616.jpg?v=1791660184 2-(Dimethoxymethyl)-5,6,7,8-tetrahydro-1,8-naphthyridine-3-carbaldehyde, 98% | 1708974-56-4 2-(Dimethoxymethyl)-5,6,7,8-tetrahydro-1,8-naphthyridine-3-carbaldehyde|CS-0115724|1708974-56-4 https://www.jk-sci.com/products/s57c4x-233419 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32d2fafbee747764d14e564caeb55058.jpg?v=1791709679 2′-Deoxy-α-Uridine, 95.00% | 4449-42-7 2′-Deoxy-α-Uridine|C4X-233419|4449-42-7 https://www.jk-sci.com/products/s57c4x-23379 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4571ddcdec8d0bf6a2df80c9596e258.jpg?v=1791709669 Piperaquine Impurity 9, 94.00% | 1233345-93-1 Piperaquine Impurity 9|C4X-23379|1233345-93-1 https://www.jk-sci.com/products/ts246cs-0116175 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340222.png?v=1791660130 m-PEG4-SH, 97% | 52190-55-3 m-PEG4-SH|CS-0116175|52190-55-3 https://www.jk-sci.com/products/ts246cs-0116382 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ea0d8fb5bcf2a04e83d50f7069fdeee.jpg?v=1791660088 Boc-NH-PEG11-OH, 97.00%+ | 1556847-53-0 Boc-NH-PEG11-OH|CS-0116382|1556847-53-0 https://www.jk-sci.com/products/ts246cs-0116673 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3adb5c40ee49ac89179622db87b05a38.jpg?v=1791660039 Ethyl 5-chloro-7-methyl-1h-indole-2-carboxylate, 98% | 15936-71-7 Ethyl 5-chloro-7-methyl-1h-indole-2-carboxylate|CS-0116673|15936-71-7 https://www.jk-sci.com/products/ts246cs-0116981 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408144.png?v=1791659988 Methyl 2-methyl-4-quinolinecarboxylate, 98.00%+ | 55625-40-6 Methyl 2-methyl-4-quinolinecarboxylate|CS-0116981|55625-40-6 https://www.jk-sci.com/products/s57c4x-23508 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_97df9e27-37fe-4d3f-874b-65e203346b4c.png?v=1791709660 Somatostatin Impurity 8, 74.80% Somatostatin Impurity 8|C4X-23508 https://www.jk-sci.com/products/s57c4x-2370 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5fef6ce9-b8ac-44c5-84ff-18d9e75d7eb3.png?v=1791709650 Lanreotide Acetate, Assay(Free base) : 87.4% Lanreotide Acetate|C4X-2370 https://www.jk-sci.com/products/ts246cs-0117167 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/398962_7dc8d95a-2b02-4690-b016-d928e64cea0a.png?v=1791659956 4-Hydroxy-3-iodo-5-methoxybenzaldehyde, 98% | 5438-36-8 4-Hydroxy-3-iodo-5-methoxybenzaldehyde|CS-0117167|5438-36-8 https://www.jk-sci.com/products/ts246cs-0118028 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf191e42ed4c9620f8e204b487a3bb9.jpg?v=1791659909 Methyl 4-iodo-2-(trifluoromethyl)benzoate, 98.98%+ | 954815-14-6 Methyl 4-iodo-2-(trifluoromethyl)benzoate|CS-0118028|954815-14-6 https://www.jk-sci.com/products/s57c4x-237914 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c7489adc35289f43e79edc98f8eea0f.jpg?v=1791709642 Imrecoxib Impurity 14, 99.20% | 959003-56-6 Imrecoxib Impurity 14|C4X-237914|959003-56-6 https://www.jk-sci.com/products/ts246cs-0118472 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42be718d96f974489e81cb9d72965bb1.jpg?v=1791659881 2-Chloro-6,8-dimethylquinoline-3-carbaldehyde, 95% | 73568-31-7 2-Chloro-6,8-dimethylquinoline-3-carbaldehyde|CS-0118472|73568-31-7 https://www.jk-sci.com/products/ts246cs-0119213 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/172130d3d7563b3daeafc4746ebeef1b.jpg?v=1791659837 Benzaldehyde-PEG4-azide, 97.00%+ | 1151451-77-2 Benzaldehyde-PEG4-azide|CS-0119213|1151451-77-2 https://www.jk-sci.com/products/ts246cs-0119406 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac07bf277b8e0c6554e04b31bcee76c9.jpg?v=1791659812 6-Bromo-1H-indole-2-carbonitrile, 97% | 1420537-60-5 6-Bromo-1H-indole-2-carbonitrile|CS-0119406|1420537-60-5 https://www.jk-sci.com/products/ts246cs-0119502 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437103_9303d0de-8943-499c-a540-521e9043a3f4.png?v=1791659784 2,7-Dimethylquinoline, 98% | 93-37-8 2,7-Dimethylquinoline|CS-0119502|93-37-8 https://www.jk-sci.com/products/s57c4x-23812 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e89ad7a5b74d49c12a373a5387e0dee.jpg?v=1791709628 Fluocinolone Acetonide EP Impurity B, 93.80% | 65751-34-0 Fluocinolone Acetonide EP Impurity B|C4X-23812|65751-34-0 https://www.jk-sci.com/products/s57c4x-23841 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e8f040309d442156d6367601d5c4cfd.jpg?v=1791709612 Acetazolamide EP Impurity B, 99.50% | 5393-55-5 Acetazolamide EP Impurity B|C4X-23841|5393-55-5 https://www.jk-sci.com/products/s57c4x-23843 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546592_abbb1389-1137-47cb-8264-eea0ef32d1e3.png?v=1791709602 Acetazolamide EP Impurity D, 98.10% | 14949-00-9 Acetazolamide EP Impurity D|C4X-23843|14949-00-9 https://www.jk-sci.com/products/s57c4x-2383 2026-10-26T20:12:49-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470835ff01e4bc87df7a97ad985b28d5.jpg?v=1791709611 Tenoxicam, 99.70% | 59804-37-4 Tenoxicam|C4X-2383|59804-37-4