https://www.jk-sci.com/products/s57c1617087 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/242813_0e046c7a-f332-4fa9-bd4c-88a620a9d6d0.png?v=1774900335 2-Bromo-1-methyl-4-nitrobenzene | 7745-93-9 2-Bromo-1-methyl-4-nitrobenzene|C1617087|7745-93-9 https://www.jk-sci.com/products/s57c4x-27828 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ef06c568af026c37a70755375c46212.jpg?v=1776418495 Trametinib impurity 8 | 871700-26-4 Trametinib impurity 8|C4X-27828|871700-26-4 https://www.jk-sci.com/products/s57c1648166 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcb4d6711e638b949c96552e43e0f5bd.jpg?v=1776402349 3-(3-Chlorophenyl)-1-propanol | 22991-03-3 3-(3-Chlorophenyl)-1-propanol|C1648166|22991-03-3 https://www.jk-sci.com/products/s57c4x-27913 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51eabffda1c3265c2d9e475503d8957a.jpg?v=1776418503 Sulfadoxine Impurity 3 | 64704-11-6 Sulfadoxine Impurity 3|C4X-27913|64704-11-6 https://www.jk-sci.com/products/j5327430 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/900d56c9a9a711fd1531baffc41d6397.jpg?v=1776355755 4-Chloro-3-nitrophenylacetic acid | 37777-68-7 4-Chloro-3-nitrophenylacetic acid|27430|37777-68-7 https://www.jk-sci.com/products/s57c4x-2785 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-27915 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c313000ed6dfea5d569357793f762c4.jpg?v=1776418508 Sulfadoxine impurity 15 | 7749-17-9 Sulfadoxine impurity 15|C4X-27915|7749-17-9 https://www.jk-sci.com/products/s57c4x-27917 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_07cd648e-7e86-440f-ac9e-559bd578508b.png?v=1775063351 Sulfadoxine impurity 7 Sulfadoxine impurity 7|C4X-27917 https://www.jk-sci.com/products/s57c1806510 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279436.png?v=1774900349 Estradiol Enanthate | 4956-37-0 Estradiol Enanthate|C1806510|4956-37-0 https://www.jk-sci.com/products/s57c4x-27921 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c1825635 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570734.png?v=1774900353 HC toxin | 83209-65-8 HC toxin|C1825635|83209-65-8 https://www.jk-sci.com/products/s57c4x-279618 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d764dcfc3ff218075e684e127de746a6.jpg?v=1776418511 Ozefloxacin Impurity 18 | 856836-09-4 Ozefloxacin Impurity 18|C4X-279618|856836-09-4 https://www.jk-sci.com/products/s57c4x-279638 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-279666 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d1905700df04ac1d7025ad357bd366e.jpg?v=1776418515 Ozenoxacin Impurity 66 | 23612-56-8 Ozenoxacin Impurity 66|C4X-279666|23612-56-8 https://www.jk-sci.com/products/s57c4x-28006 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64d35add-f35b-465f-8406-686f3369202a.png?v=1774736714 Troxerutin Impurity 6 Troxerutin Impurity 6|C4X-28006 https://www.jk-sci.com/products/s57c1895998 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6bdd4eecc05b0d94f1b9e292fd6ec99.jpg?v=1776403145 Fusidate Sodium | 751-94-0 Fusidate Sodium|C1895998|751-94-0 https://www.jk-sci.com/products/s57c4x-28002 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af9a6e1a60f5a734ecf631b799891138.jpg?v=1776418521 Troxerutin Impurity 2 | 13190-91-5 Troxerutin Impurity 2|C4X-28002|13190-91-5 https://www.jk-sci.com/products/s57c1913625 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf2c7bcc9df7fda8be4ecc2051ffe00b.jpg?v=1776403214 2-Toluene glycidyl ether | 2210-79-9 2-Toluene glycidyl ether|C1913625|2210-79-9 https://www.jk-sci.com/products/s57c4x-280613 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c36a99c8efb6b3876d966bf983027c18.jpg?v=1776418527 Tridocosahexaenoin | 11094-59-0 Tridocosahexaenoin|C4X-280613|11094-59-0 https://www.jk-sci.com/products/s57c1929126 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206539_8609e96c-6d74-4ad1-a1d6-eb1d88d1cf28.png?v=1774900368 2-Allylcyclohexanone | 94-66-6 2-Allylcyclohexanone|C1929126|94-66-6 https://www.jk-sci.com/products/s57c4x-28062 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcab80e0c8c65f8ff656c24df301c256.jpg?v=1776418533 Didocosahexaenoin | 124538-05-2 Didocosahexaenoin|C4X-28062|124538-05-2 https://www.jk-sci.com/products/s57c4x-280621 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d03b1f41-483f-4bca-98ca-1f26c369ceb6.png?v=1774724198 ethyl 9-(3,4-dimethyl-5-propylfuran-2-yl)nonanoate ethyl 9-(3,4-dimethyl-5-propylfuran-2-yl)nonanoate|C4X-280621 https://www.jk-sci.com/products/s57c4x-280920 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb17897a2bce30b7248ce8098c24d55c.jpg?v=1776418558 Sacubitril Impurity 20 | 2459446-51-4 Sacubitril Impurity 20|C4X-280920|2459446-51-4 https://www.jk-sci.com/products/j5327436 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2bb5135d7e4b865f00d2b90dfb04069.jpg?v=1776355771 2-Phenoxybenzoic acid hydrazide | 43038-37-5 2-Phenoxybenzoic acid hydrazide|27436|43038-37-5 https://www.jk-sci.com/products/s57c4x-28063 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17ccdf0150ae8a458d90b5d7e2c528d2.jpg?v=1776418542 Ethyl docosa-4,7,10,13,16,19-hexaenoate | 84494-72-4 Ethyl docosa-4,7,10,13,16,19-hexaenoate|C4X-28063|84494-72-4 https://www.jk-sci.com/products/s57c4x-28091 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffec252315506b41a032902816fdd4ea.jpg?v=1776418555 Sacubitril Sodium Salt | 149690-05-1 Sacubitril Sodium Salt|C4X-28091|149690-05-1 https://www.jk-sci.com/products/s57c3d-262230 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eefbf7f5894b057c1cbdf571a1d1572d.jpg?v=1776403497 4-Azido-N-(3-(4,5-dihydro-1H-imidazol-2-yl)phenyl)benzamide 2,2,2-trifluoroacetate | 1988669-61-9 4-Azido-N-(3-(4,5-dihydro-1H-imidazol-2-yl)phenyl)benzamide 2,2,2-trifluoroacetate|C3D-262230|1988669-61-9 https://www.jk-sci.com/products/s57c4x-28065 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88d560a3386b3f280c6f787692e7f63e.jpg?v=1776418548 (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester | 131775-86-5 (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester|C4X-28065|131775-86-5 https://www.jk-sci.com/products/s57c4x-280624 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fc7af68a8a18ccb72cca10145cf0ef7.jpg?v=1776418539 ethyl 11-(3-methyl-5-pentylfuran-2-yl)undecanoate | 76859-13-7 ethyl 11-(3-methyl-5-pentylfuran-2-yl)undecanoate|C4X-280624|76859-13-7 https://www.jk-sci.com/products/s57c4x-280634 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_61f86332-750f-4e47-9b43-e1473bbcde24.png?v=1774900887 Docosahexaenoic Acid Impurity 34 Docosahexaenoic Acid Impurity 34|C4X-280634 https://www.jk-sci.com/products/s57c3d-4211 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540851.png?v=1774900388 Dibutyl Sulfate | 625-22-9 Dibutyl Sulfate|C3D-4211|625-22-9 https://www.jk-sci.com/products/s57c4x-28098 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8fd750c-17c0-4769-b576-9449c3c4c7fb.png?v=1774733407 Sacubitril Impurities 8 Sacubitril Impurities 8|C4X-28098 https://www.jk-sci.com/products/s57c3d-6176 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c3ea1f07-bf49-4c05-8c67-a623c3e1944f.png?v=1774900398 1-([1,1'-biphenyl]-2-yl(phenyl)methyl)-1H-imidazole 1-([1,1'-biphenyl]-2-yl(phenyl)methyl)-1H-imidazole|C3D-6176 https://www.jk-sci.com/products/s57c4x-281313 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_33f9538d-b521-4a43-af3a-ad3c1e6d7636.png?v=1774902195 Piribedil Impurity 13 Piribedil Impurity 13|C4X-281313 https://www.jk-sci.com/products/s57c4x-101613 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_28626657-76af-4a73-9f6d-7e63053225ca.png?v=1774900410 Enzalutamide Impurity 13 Enzalutamide Impurity 13|C4X-101613 https://www.jk-sci.com/products/s57c4x-28173 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/305870.png?v=1774710398 Sulfogaiacol | 1321-14-8 Sulfogaiacol|C4X-28173|1321-14-8 https://www.jk-sci.com/products/s57c4x-102111 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6d752e66b390f4374d7bd9b98b2dde1.jpg?v=1776404616 Ganciclovir Impurity 11 | 86357-19-9 Ganciclovir Impurity 11|C4X-102111|86357-19-9 https://www.jk-sci.com/products/s57c4x-283613 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e7c26428f912d8028f2ffdcd66e3797.jpg?v=1776418576 Alectinib Impurity 13 | 1256585-29-1 Alectinib Impurity 13|C4X-283613|1256585-29-1 https://www.jk-sci.com/products/s57c4x-28251 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de44873f91b0afcfe68a4bc5f9b19941.jpg?v=1776418567 2-((3-(Trifluoromethyl)phenoxy)methyl)oxirane | 585-45-5 2-((3-(Trifluoromethyl)phenoxy)methyl)oxirane|C4X-28251|585-45-5 https://www.jk-sci.com/products/s57c4x-283633 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4176335b-e364-41df-ad2e-63bf7d578511.png?v=1775155253 Alectinib Impurity 33 ·xHCl Alectinib Impurity 33 ·xHCl|C4X-283633 https://www.jk-sci.com/products/s57c4x-104623 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f61f6e80bb52834bed88489d1781fe12.jpg?v=1776405033 Trelagliptin Impurity 23 | 309956-78-3 Trelagliptin Impurity 23|C4X-104623|309956-78-3 https://www.jk-sci.com/products/s57c4x-283629 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f298d8603cfc3323d58b1a719bac7ba5.jpg?v=1776418582 Alectinib impurity 29 | 1256585-30-4 Alectinib impurity 29|C4X-283629|1256585-30-4 https://www.jk-sci.com/products/s57c4x-28373 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e1440054991a63c3c1c977b65835ca3.jpg?v=1776418593 Nefopam Impurity 3 | 60725-36-2 Nefopam Impurity 3|C4X-28373|60725-36-2 https://www.jk-sci.com/products/s57c4x-28367 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/780a12eb1f35f548e275af5b4c563961.jpg?v=1776418587 Alectinib Impurity 7 | 1256585-04-2 Alectinib Impurity 7|C4X-28367|1256585-04-2 https://www.jk-sci.com/products/s57c4x-28424 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6866987f95bd4fd62452d614316a1d0b.jpg?v=1776418605 Estradiol Valerate EP Impurity E | 63042-28-4 Estradiol Valerate EP Impurity E|C4X-28424|63042-28-4 https://www.jk-sci.com/products/s57c4x-104947 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1a57427f977e7c769750f3214225ed1_2b0f1c04-cb54-4e91-a93d-0beab3b41bce.jpg?v=1776405076 Saxagliptin Impurity 47 | 197142-36-2 Saxagliptin Impurity 47|C4X-104947|197142-36-2 https://www.jk-sci.com/products/s57c4x-2840 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/832430_2d005f1a-f243-4608-8968-7384de05039e.png?v=1775140724 Midostaurin | 120685-11-2 Midostaurin|C4X-2840|120685-11-2 https://www.jk-sci.com/products/s57c4x-28422 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6e500108158c06d52b1b2bbbf161a26.jpg?v=1776418599 Estradiol Valerate EP Impurity B | 21881-45-8 Estradiol Valerate EP Impurity B|C4X-28422|21881-45-8 https://www.jk-sci.com/products/s57c4x-105726 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee783fe6961b3c2481892e7323c55bff.jpg?v=1776405343 Losartan EP Impurity B | 160514-13-6 Losartan EP Impurity B|C4X-105726|160514-13-6 https://www.jk-sci.com/products/s57c4x-210869 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c0707215-7d2b-46d0-be22-e95bb1fa0e7d.png?v=1774669927 Baloxavir Impurity 69 Baloxavir Impurity 69|C4X-210869 https://www.jk-sci.com/products/s57c4x-229338 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_88b96046-addd-434b-9ea2-b9b53674ed8e.png?v=1775063287 [Asu5]-Atosiban [Asu5]-Atosiban|C4X-229338 https://www.jk-sci.com/products/s57c4x-23983 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387efafc266ae0b8a8853df84bcf6add.jpg?v=1776417757 Levodropropizine N-Oxide Impurity 3 | 152237-40-6 Levodropropizine N-Oxide Impurity 3|C4X-23983|152237-40-6 https://www.jk-sci.com/products/s57c4x-23307 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-225616 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15b83acf4660b3f366fe2cd7e204598e.jpg?v=1776417402 Chlorhexidine EP Impurity N | 152504-10-4 Chlorhexidine EP Impurity N|C4X-225616|152504-10-4 https://www.jk-sci.com/products/s57c4x-240550 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134eb2249ee15df9063b15fb861b1996.jpg?v=1776417833 Upadacitinib Impurity 50 | 2270173-63-0 Upadacitinib Impurity 50|C4X-240550|2270173-63-0 https://www.jk-sci.com/products/s57c4x-108716 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eefbce1bcf420d3da1688f8f7d5faf65.jpg?v=1776406444 Tadalafil Impurity 16 | 629652-44-4 Tadalafil Impurity 16|C4X-108716|629652-44-4 https://www.jk-sci.com/products/s57c4x-241113 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd65e4a6-4382-4fa4-a411-dcaf96824112.png?v=1774720336 Bevantolol Impurity 13 Bevantolol Impurity 13|C4X-241113 https://www.jk-sci.com/products/s57c4x-24261 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eee164d976f0133ff48a2c92ed5e65e8.jpg?v=1776417951 Lumefantrine Impurity 1 | 1331642-68-2 Lumefantrine Impurity 1|C4X-24261|1331642-68-2 https://www.jk-sci.com/products/s57c4x-24301 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85f9c61ab97f878bfeaefd818feca1e2_a95145fd-1a85-45c2-93ec-08ff6608dc61.jpg?v=1776417984 Perampanel Impurity 1 | 381248-06-2 Perampanel Impurity 1|C4X-24301|381248-06-2 https://www.jk-sci.com/products/s57c4x-245836 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c2e89682-85ce-49ef-b74b-a45c60dd28b1.png?v=1774880662 Perospirone Impurity 36 Perospirone Impurity 36|C4X-245836 https://www.jk-sci.com/products/s57c4x-2440 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/612783_f1b2be85-49e2-4467-9ecb-bf7f637e5151.png?v=1774711602 Proxyphylline | 603-00-9 Proxyphylline|C4X-2440|603-00-9 https://www.jk-sci.com/products/s57c4x-246615 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-246727 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56caecc2-354d-4ee9-a6e8-918c668f3489.png?v=1774710364 Pinaverium impurity 27 Pinaverium impurity 27|C4X-246727 https://www.jk-sci.com/products/j5327438 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abe373b71ebba6f00bd13a13aef5079c.jpg?v=1776355779 4-Amino-3,5-dichlorobenzoic acid | 56961-25-2 4-Amino-3,5-dichlorobenzoic acid|27438|56961-25-2 https://www.jk-sci.com/products/j5327462 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fe19cf6add175c606aa4d78fd7b0df5.jpg?v=1776355830 Methyl 2-cyclopentyl-2-hydroxy-2-phenylacetate | 19833-96-6 Methyl 2-cyclopentyl-2-hydroxy-2-phenylacetate|27462|19833-96-6 https://www.jk-sci.com/products/j5327449 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c97e78451a22f695da59e7c5ed88dec.jpg?v=1776355810 3,5-Dimethoxy-4-methylbenzoic acid | 61040-81-1 3,5-Dimethoxy-4-methylbenzoic acid|27449|61040-81-1 https://www.jk-sci.com/products/s57c4x-109729 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129062.png?v=1774900520 Olmesartan Impurity 29 | 76-83-5 Olmesartan Impurity 29|C4X-109729|76-83-5 https://www.jk-sci.com/products/s57c4x-11492 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454889_19a63311-4665-4d37-b271-8bb056bf8bf2.png?v=1774900582 Cefadroxil EP Impurity A(Amoxicillin EP Impurity I) | 22818-40-2 Cefadroxil EP Impurity A(Amoxicillin EP Impurity I)|C4X-11492|22818-40-2 https://www.jk-sci.com/products/s57c4x-12617 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9ff7c89596c9edaa77ee52657edc684.jpg?v=1776409957 Cephalexin Impurity 7 (Mixture Of Isomers) | 59865-11-1 Cephalexin Impurity 7 (Mixture Of Isomers)|C4X-12617|59865-11-1 https://www.jk-sci.com/products/j5327478 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/747b9bf9d652d1d1a7056a43d3193e35.jpg?v=1776355864 2-Iodo-3-hydroxypyridine | 40263-57-8 2-Iodo-3-hydroxypyridine|27478|40263-57-8 https://www.jk-sci.com/products/j5327467 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff02b8d4ad2e18c517e69d5f0c5d699.jpg?v=1776355844 3-Bromo-4-methoxybenzoic acid | 99-58-1 3-Bromo-4-methoxybenzoic acid|27467|99-58-1 https://www.jk-sci.com/products/s57c4x-127044 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b00c29e43353e536865436696a2b838b.jpg?v=1776410017 Cefaclor Degradation A Impurity(H-D-Phg-Gly-OH) | 6453-64-1 Cefaclor Degradation A Impurity(H-D-Phg-Gly-OH)|C4X-127044|6453-64-1 https://www.jk-sci.com/products/j5327488 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef94165760b5d92605a48a11e70a7858.jpg?v=1776355897 6-Chloroquinoline | 612-57-7 6-Chloroquinoline|27488|612-57-7 https://www.jk-sci.com/products/j5327503 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d159aa4b83cda000f789351b9e2ffe0.jpg?v=1776355934 4-Chlorophenyl methyl sulfone | 98-57-7 4-Chlorophenyl methyl sulfone|27503|98-57-7 https://www.jk-sci.com/products/s57c4x-13093 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b778f194f9710cf6f2328c90dd93a96.jpg?v=1776410158 Meropenem EP Impurity B | 166901-45-7 Meropenem EP Impurity B|C4X-13093|166901-45-7 https://www.jk-sci.com/products/j5327517 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31da30b302c63434e5aec22a42dec1b1.jpg?v=1776355971 2-Bromo-5-cyanotoluene | 41963-20-6 2-Bromo-5-cyanotoluene|27517|41963-20-6 https://www.jk-sci.com/products/j5327515 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b7ba7f6fdf78eb082e03118d3251178.jpg?v=1776355964 Ethyl 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate | 2199-59-9 Ethyl 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate|27515|2199-59-9 https://www.jk-sci.com/products/s57c4x-135970 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e564d5ee-8900-436a-86dd-73c3dc988acf.png?v=1774900659 Telmisartan Impurity 70 Telmisartan Impurity 70|C4X-135970 https://www.jk-sci.com/products/j5327522 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/026352f0a4e89a0a267ab51ec1cbe6a7.jpg?v=1776355982 4-tert-Butylbenzaldehyde | 939-97-9 4-tert-Butylbenzaldehyde|27522|939-97-9 https://www.jk-sci.com/products/s57c4x-248512 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_75ea5c3b-10af-4b79-aa22-7cedc93c39db.png?v=1774891793 N-Nitroso Evocalcet N-Nitroso Evocalcet|C4X-248512 https://www.jk-sci.com/products/s57c4x-13638 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a00fc84c-4154-4d53-acf0-b5a29b9be1a9.png?v=1774900664 N1-Nitroso Rilpivirine N1-Nitroso Rilpivirine|C4X-13638 https://www.jk-sci.com/products/s57c1064217 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/582839.png?v=1774901574 1-(Tert-butyl)urea | 1118-12-3 1-(Tert-butyl)urea|C1064217|1118-12-3 https://www.jk-sci.com/products/j5327539 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7203e5cf639abdb06da7e52cee69bf2.jpg?v=1776356026 2-Amino-3,5-dibromopyridine | 35486-42-1 2-Amino-3,5-dibromopyridine|27539|35486-42-1 https://www.jk-sci.com/products/s57c1067343 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/550bade38fd970d8a05d5b6e4b7aafad.jpg?v=1776401296 N-[[4-(4-Fluorobenzyl)-2-morpholinyl]methyl]acetamide | 112913-94-7 N-[[4-(4-Fluorobenzyl)-2-morpholinyl]methyl]acetamide|C1067343|112913-94-7 https://www.jk-sci.com/products/s57c1381265 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebdcf16f35855c3b0a14187d0da1e886.jpg?v=1776401869 Ethyl (R)-2-Amino-2-phenylacetate Hydrochloride | 17609-48-2 Ethyl (R)-2-Amino-2-phenylacetate Hydrochloride|C1381265|17609-48-2 https://www.jk-sci.com/products/s57c1387532 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74cad84d7aac62d01c29880695853fb5.jpg?v=1776401878 5-Chloro-6-(piperidin-1-yl)pyrimidine-2,4-diamine | 1784008-01-0 5-Chloro-6-(piperidin-1-yl)pyrimidine-2,4-diamine|C1387532|1784008-01-0 https://www.jk-sci.com/products/j5327544 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/728a30155a38754a7a2b613575eef120.jpg?v=1776356035 1-(4,4'-Difluorobenzhydry)piperazine | 27469-60-9 1-(4,4'-Difluorobenzhydry)piperazine|27544|27469-60-9 https://www.jk-sci.com/products/s57c1587232 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c4d0337e681115e0f8af30f797143b7.jpg?v=1776402195 2-(Dimethylamino)ethyl methanesulfonate | 44929-30-8 2-(Dimethylamino)ethyl methanesulfonate|C1587232|44929-30-8 https://www.jk-sci.com/products/j5327551 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40670e7b6f661255926615d5ec5e7623.jpg?v=1776356050 2-Methyl-4-chloropyridine | 3678-63-5 2-Methyl-4-chloropyridine|27551|3678-63-5 https://www.jk-sci.com/products/s57c1613619 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128096.png?v=1774901607 2-Aminoethanesulfonamide | 4378-70-5 2-Aminoethanesulfonamide|C1613619|4378-70-5 https://www.jk-sci.com/products/s57c4x-248761 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a7d0f4cdcc1be054ea7fb1f5007d2d5.jpg?v=1776418144 Rimegepant Impurity 61 | 1190363-43-9 Rimegepant Impurity 61|C4X-248761|1190363-43-9 https://www.jk-sci.com/products/s57c4x-2494100 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9ab472bf-bae6-4625-8708-fd8ab7a3833f.png?v=1774892976 Dotinurad Impurity 100 Dotinurad Impurity 100|C4X-2494100 https://www.jk-sci.com/products/j5327573 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2587da81af0a0f8ccd292375a572c168.jpg?v=1776356116 2-Mercapto-1,3,4-thiadiazole | 18686-82-3 2-Mercapto-1,3,4-thiadiazole|27573|18686-82-3 https://www.jk-sci.com/products/s57c1646527 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a24b94a0fcef3320598ff5b8ec1acb2f.jpg?v=1776402343 3-(2-Methylpiperidin-1-yl)propan-1-ol | 94-88-2 3-(2-Methylpiperidin-1-yl)propan-1-ol|C1646527|94-88-2 https://www.jk-sci.com/products/s57c1753783 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6332ee544eee9dda34a7e4c2c12b26fa.jpg?v=1776402532 5-Deazaflavin | 26908-38-3 5-Deazaflavin|C1753783|26908-38-3 https://www.jk-sci.com/products/s57c1785835 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4dd7a8ec3ce85dcf48b16669a5404add.jpg?v=1776402570 8-Methoxyquinoline-3-carboxylic acid | 71082-36-5 8-Methoxyquinoline-3-carboxylic acid|C1785835|71082-36-5 https://www.jk-sci.com/products/s57c1796881 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03251c6563076d32477f335db71c39e9.jpg?v=1776402678 Carebastine | 90729-42-3 Carebastine|C1796881|90729-42-3 https://www.jk-sci.com/products/j5327585 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa23c8b1984fadea62415392ba395238.jpg?v=1776356142 3,4-Diethoxyphenylacetic acid | 38464-04-9 3,4-Diethoxyphenylacetic acid|27585|38464-04-9 https://www.jk-sci.com/products/j5327593 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a9844ea986d985531c5efafc5310c60.jpg?v=1776356164 2-Pentyne-1-ol | 6261-22-9 2-Pentyne-1-ol|27593|6261-22-9 https://www.jk-sci.com/products/s57c1800823 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a4c45bf438ff9086e7a34165ff19949.jpg?v=1776402733 Elamipretide | 736992-21-5 Elamipretide|C1800823|736992-21-5 https://www.jk-sci.com/products/s57c3d-1940 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/425584.png?v=1774901656 Estrone 3-sulfate potassium salt | 1240-04-6 Estrone 3-sulfate potassium salt|C3D-1940|1240-04-6 https://www.jk-sci.com/products/s57c3d-26022 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47a9ae00b532a152d13470e571e3534c.jpg?v=1776403430 4-Chlorobutanamide | 2455-04-1 4-Chlorobutanamide|C3D-26022|2455-04-1 https://www.jk-sci.com/products/s57c4x-24943 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463970e1c40d14a66563d729ff0ab4b3.jpg?v=1776418179 Dotinurad Impurity 3 | 1285572-55-5 Dotinurad Impurity 3|C4X-24943|1285572-55-5 https://www.jk-sci.com/products/s57c4x-250313 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf16c34391c3784ab6f837b42f22c3ed_e0a0df77-e8c3-43a6-b122-10694390cf34.jpg?v=1776418199 Indocyanine Green Impurity 13 | 4185-69-7 Indocyanine Green Impurity 13|C4X-250313|4185-69-7 https://www.jk-sci.com/products/j5327597 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0af5768233fc1a254b9f6325b5bf3764.jpg?v=1776356172 4-Methoxy-3-methylphenylacetic acid | 4513-73-9 4-Methoxy-3-methylphenylacetic acid|27597|4513-73-9 https://www.jk-sci.com/products/j5326283 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60b3a9b2a3bdd180baf572eba5855f74.jpg?v=1776352225 4-Aminopyridine-3-carboxamide | 7418-66-8 4-Aminopyridine-3-carboxamide|26283|7418-66-8 https://www.jk-sci.com/products/s57c3d-262343 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/848c78d462d8f4350428c0e5c9eae517.jpg?v=1776403519 Procymidone Impurity 43 | 169327-83-7 Procymidone Impurity 43|C3D-262343|169327-83-7 https://www.jk-sci.com/products/s57c4x-249459 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f000be8-9062-4ddc-bc69-02448bbef4be.png?v=1774642606 Dotinurad Impurity 59 Dotinurad Impurity 59|C4X-249459 https://www.jk-sci.com/products/s57c3d-3172 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347663.png?v=1774901679 Stachydrine Hydrochloride | 4136-37-2 Stachydrine Hydrochloride|C3D-3172|4136-37-2 https://www.jk-sci.com/products/s57c4x-250342 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26563a6e-0c24-40c3-ac2f-a3e91b13007e.png?v=1774668050 Indocyanine Green Impurity 42 Indocyanine Green Impurity 42|C4X-250342 https://www.jk-sci.com/products/s57c3d-3555 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/428838.png?v=1774901676 Tetraamylammonium Chloride | 4965-17-7 Tetraamylammonium Chloride|C3D-3555|4965-17-7 https://www.jk-sci.com/products/j5326815 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36e916f10e33bb1b4bd0e731c9d0729f.jpg?v=1776354023 4'-Hydroxy-2'-methylacetophenone | 875-59-2 4'-Hydroxy-2'-methylacetophenone|26815|875-59-2 https://www.jk-sci.com/products/j5327006 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de38c498cfc3f03ebd762a06b2d8b683.jpg?v=1776354592 2-Chloro-3-hydroxypyridine | 6636-78-8 2-Chloro-3-hydroxypyridine|27006|6636-78-8 https://www.jk-sci.com/products/s57c4x-250710 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5326689 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449dbf9d097cfe27dfd4837b52edd0fc.jpg?v=1776353624 1-Ethyl-1H-pyrrole-2-carbaldehyde | 2167-14-8 1-Ethyl-1H-pyrrole-2-carbaldehyde|26689|2167-14-8 https://www.jk-sci.com/products/s57c3d-5830 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1295477a645efcd9ca2eb7d7390fcb78.jpg?v=1776403931 【停用】N-Methyl-perfluorohexane-1-sulfonamide (>90%) | 68259-15-4 【停用】N-Methyl-perfluorohexane-1-sulfonamide (>90%)|C3D-5830|68259-15-4 https://www.jk-sci.com/products/j5326910 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12ed3c6e5bbe42d2225b96787d320054.jpg?v=1776354328 2-(4-Bromophenyl)acetic acid | 1878-68-8 2-(4-Bromophenyl)acetic acid|26910|1878-68-8 https://www.jk-sci.com/products/s57c4x-25194 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/491260_b2f99e2a-7385-4da7-9c16-e6358625ade0.png?v=1774962769 Ensitrelvir Impurity 4 HCl | 135206-76-7 Ensitrelvir Impurity 4 HCl|C4X-25194|135206-76-7 https://www.jk-sci.com/products/s57c3d-5872 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29148651b4206b5831bcb205bb25de9b.jpg?v=1776403940 (S)-2-(3,4-difluorophenyl)oxirane | 1006376-63-1 (S)-2-(3,4-difluorophenyl)oxirane|C3D-5872|1006376-63-1 https://www.jk-sci.com/products/s57c4x-252015 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_29a7d7d9-321f-43af-a13e-b75a1a926872.png?v=1774669960 Pitolisant impurity 15 Pitolisant impurity 15|C4X-252015 https://www.jk-sci.com/products/s57c3d-5970 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456798.png?v=1774901690 1-Oleoyl-sn-glycero-3-phosphocholine | 19420-56-5 1-Oleoyl-sn-glycero-3-phosphocholine|C3D-5970|19420-56-5 https://www.jk-sci.com/products/s57c3d-6093 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526321.png?v=1774900393 Bis(4-nitrophenyl) carbonate | 5070-13-3 Bis(4-nitrophenyl) carbonate|C3D-6093|5070-13-3 https://www.jk-sci.com/products/s57c4x-25207 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af36187a-aa25-403e-975e-3be66c4815a5.png?v=1775136863 Pitolisant impurity 7 Pitolisant impurity 7|C4X-25207 https://www.jk-sci.com/products/s57c4x-253611 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e948e436f478f33da6af379491dc8c5.jpg?v=1776418270 (S)-2-amino-5-((S)-3-amino-3-carboxypropanamido)pentanoic | 2135301-50-5 (S)-2-amino-5-((S)-3-amino-3-carboxypropanamido)pentanoic|C4X-253611|2135301-50-5 https://www.jk-sci.com/products/s57c4x-252028 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_474efaa3-1323-4ac8-8a35-fcaf3a396843.png?v=1775143417 Pitolisant impurity 28 Pitolisant impurity 28|C4X-252028 https://www.jk-sci.com/products/s57c4x-25621 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359513_dcc4d7a7-f9b1-4c5d-b7a1-83e47ec0f0d1.png?v=1774640881 5-Oxo-1-(4-Sulfophenyl)-4,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid | 118-47-8 5-Oxo-1-(4-Sulfophenyl)-4,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid|C4X-25621|118-47-8 https://www.jk-sci.com/products/s57c4x-25368 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75a0afc7e20c527b18fcd579ef2675d3.jpg?v=1776418284 L-Ornithine Dimer | 195868-13-4 L-Ornithine Dimer|C4X-25368|195868-13-4 https://www.jk-sci.com/products/s57c4x-25712 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2445193b-cedf-4ff8-838c-a7fa7fb66dbd.png?v=1774733399 Aminocaproic Acid Impurity 2 HCl Aminocaproic Acid Impurity 2 HCl|C4X-25712 https://www.jk-sci.com/products/s57c3d-6140 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91f715044ceda99fb631f5a11832f54a.jpg?v=1776404007 (8Z,11Z,14Z)-Octadecatrienoic Acid Ethyl Ester | 2347415-30-7 (8Z,11Z,14Z)-Octadecatrienoic Acid Ethyl Ester|C3D-6140|2347415-30-7 https://www.jk-sci.com/products/s57c4x-25522 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462147_67e9fce4-246c-4cad-b530-33c37091aa43.png?v=1774640876 Sulfadiazine Impurity 2 | 109-12-6 Sulfadiazine Impurity 2|C4X-25522|109-12-6 https://www.jk-sci.com/products/s57c4x-26301 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e886f0333e99eae18fd4499ee1f884ad.jpg?v=1776418384 Pyridostigmine Impurity 1 | 31034-86-3 Pyridostigmine Impurity 1|C4X-26301|31034-86-3 https://www.jk-sci.com/products/s57c4x-2621 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a42f34b49c4553dd7600edd4e2f68cd.jpg?v=1776418343 Landiolol Hydrochloride | 144481-98-1 Landiolol Hydrochloride|C4X-2621|144481-98-1 https://www.jk-sci.com/products/s57c4x-262186 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6297243f-f76b-462c-b9e7-24cc8b062488.png?v=1774715183 Landiolol Impurity 86 Landiolol Impurity 86|C4X-262186 https://www.jk-sci.com/products/s57c4x-25992 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352158_9624b594-7b40-4d51-8326-d280df2ab69e.png?v=1774722293 N,N-dimethyltetradecan-1-amine | 112-75-4 N,N-dimethyltetradecan-1-amine|C4X-25992|112-75-4 https://www.jk-sci.com/products/s57c4x-101711 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5fd7ef4c-8e2b-4113-a769-17aae78836bf.png?v=1774901709 Vardenafil Impurity 11 Vardenafil Impurity 11|C4X-101711 https://www.jk-sci.com/products/s57c4x-26238 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0358c279d19688b01c5c56cf9b76c282.jpg?v=1776418378 Procaine Impurit 8 | 59265-81-5 Procaine Impurit 8|C4X-26238|59265-81-5 https://www.jk-sci.com/products/s57c4x-10192 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/183fae23e0d7e40de523b905f6b14c42_3f8a0f85-be0b-44cf-9156-2bc1c7a9a6a9.jpg?v=1776404490 Fluconazole EP Impurity C | 514222-44-7 Fluconazole EP Impurity C|C4X-10192|514222-44-7 https://www.jk-sci.com/products/s57c4x-10285 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6a3b222c0155aa25ba46c85f68c1ecd.jpg?v=1776404719 Lurasidone Impurity 5 | 1448443-35-3 Lurasidone Impurity 5|C4X-10285|1448443-35-3 https://www.jk-sci.com/products/s57c4x-26397 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/434391_7403dc9e-6789-474c-b608-dc764cc06064.png?v=1774880690 Butoxybenzene | 1126-79-0 Butoxybenzene|C4X-26397|1126-79-0 https://www.jk-sci.com/products/s57c4x-26382 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de1976a5cae91d3c0d99d247bc1e30a3.jpg?v=1776418390 Methyl chlorosulfonate | 812-01-1 Methyl chlorosulfonate|C4X-26382|812-01-1 https://www.jk-sci.com/products/s57c4x-10607 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/569dd8f723a96a3e2f2e773121e58cb6.jpg?v=1776405443 Bromhexine Impurity 7 | 1631131-52-6 Bromhexine Impurity 7|C4X-10607|1631131-52-6 https://www.jk-sci.com/products/s57c4x-106730 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443788_91495985-ea19-458b-bf33-4bf60854f156.png?v=1774901760 Levetiracetam Impurity 30 | 5959-29-5 Levetiracetam Impurity 30|C4X-106730|5959-29-5 https://www.jk-sci.com/products/s57c4x-258319 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0dd4e6a0-d0c5-482b-9831-076752c31aa6.png?v=1775071786 Phenylbutyrate Impurity 19 Phenylbutyrate Impurity 19|C4X-258319 https://www.jk-sci.com/products/j5327096 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eec8d1bb1605f89b59b434e6dae582b6.jpg?v=1776354879 2-Chloro-3-nitrobenzoic acid | 3970-35-2 2-Chloro-3-nitrobenzoic acid|27096|3970-35-2 https://www.jk-sci.com/products/s57c4x-26461 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d6ebb7cf3fd1005227e080fc59bcd91_c7c66bbb-8a95-4982-93b1-9a6c0b76a33e.jpg?v=1776418402 Campesterol | 474-62-4 Campesterol|C4X-26461|474-62-4 https://www.jk-sci.com/products/s57c4x-262144 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-26081 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350699_baa93ab8-73c9-473f-8df0-8bd04f9d91f3.png?v=1774666053 2-hydroxy-1-phenyl-ethanon | 582-24-1 2-hydroxy-1-phenyl-ethanon|C4X-26081|582-24-1 https://www.jk-sci.com/products/s57c4x-260910 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9078363457080ee31b24b3d4c33b8687.jpg?v=1776418328 Ethacridine Lactate Impurity 10 | 5568-33-2 Ethacridine Lactate Impurity 10|C4X-260910|5568-33-2 https://www.jk-sci.com/products/s57c4x-262230 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7d32826d-db38-4b26-94ea-0e5f21bf828c.png?v=1774713165 Ramelteon Impurity 30 Ramelteon Impurity 30|C4X-262230 https://www.jk-sci.com/products/s57c4x-27461 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f772b618e8f601e43914fef1811c8598.jpg?v=1776418407 Bambuterol EP Impurity E | 81732-48-1 Bambuterol EP Impurity E|C4X-27461|81732-48-1 https://www.jk-sci.com/products/s57c4x-2748 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/801141_6a2ccc56-8d72-4120-aa8e-c72037feb781.png?v=1774725184 Tetrabenazine | 58-46-8 Tetrabenazine|C4X-2748|58-46-8 https://www.jk-sci.com/products/j5327135 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14f3bc7d1b4e249f238aac18e20a31d5.jpg?v=1776354989 2-(Phenylsulfonyl)aniline | 4273-98-7 2-(Phenylsulfonyl)aniline|27135|4273-98-7 https://www.jk-sci.com/products/s57c4x-108810 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc01aff94cf7b4eda4f3b94685d6bc50.jpg?v=1776406511 Apixaban Impurity 10 | 1421823-20-2 Apixaban Impurity 10|C4X-108810|1421823-20-2 https://www.jk-sci.com/products/s57c4x-109058 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34fed425dbbfd33613b3397dc984dba5.jpg?v=1776406675 Rivaroxaban Impurity 58 | 845729-43-3 Rivaroxaban Impurity 58|C4X-109058|845729-43-3 https://www.jk-sci.com/products/s57c4x-138912 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d20f8a4e2ecb1090d302bee19b266139.jpg?v=1776411103 Budesonide EP Impurity L (Mixture of Epimer) | 216453-74-6 Budesonide EP Impurity L (Mixture of Epimer)|C4X-138912|216453-74-6 https://www.jk-sci.com/products/s57c1364847 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ac0a76cf2bfc0a5da2b59e03335f28.jpg?v=1776401837 4-(Methylamino)benzenesulfonamide | 16891-79-5 4-(Methylamino)benzenesulfonamide|C1364847|16891-79-5 https://www.jk-sci.com/products/s57c1469721 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417257_e2f2ac9c-e235-48ca-bc13-9b3b84fe2487.png?v=1774901597 Fmoc-(2S,3S)-3-hydroxypyrrolidine-2-carboxylic acid | 296774-32-8 Fmoc-(2S,3S)-3-hydroxypyrrolidine-2-carboxylic acid|C1469721|296774-32-8 https://www.jk-sci.com/products/s57c4x-27491 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1083be0e-ffcb-40d8-b8b9-7dc3c426442b.png?v=1774711620 Apalutamide Impurity 1 Apalutamide Impurity 1|C4X-27491 https://www.jk-sci.com/products/j5327177 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bad8580626624e9cb866046c98f03a1.jpg?v=1776355120 Adipic acid dimethyl ester | 627-93-0 Adipic acid dimethyl ester|27177|627-93-0 https://www.jk-sci.com/products/s57c1470472 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f332c340eb816441c585a4534733ed6c_fdfd18d2-961b-483c-8bba-9284c0249f87.jpg?v=1776401975 (2S,5S)-2,5-dimethylpiperazine dihydrobromide | 98778-71-3 (2S,5S)-2,5-dimethylpiperazine dihydrobromide|C1470472|98778-71-3 https://www.jk-sci.com/products/s57c4x-27503 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/373228_dbd9dbfe-2079-4ebd-89e0-a6726e88c95d.png?v=1775072968 Quinidine Impurity 3 | 485-65-4 Quinidine Impurity 3|C4X-27503|485-65-4 https://www.jk-sci.com/products/s57c4x-274923 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af08494c-8da7-45fa-8bff-c4f97eef361e.png?v=1774902186 Apalutamide Impurity 23 Apalutamide Impurity 23|C4X-274923 https://www.jk-sci.com/products/s57c4x-274947 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/441092e4cc8b1b83c75d44b86594d139.jpg?v=1776418423 Apalutamide Impurity 47 | 1805396-62-6 Apalutamide Impurity 47|C4X-274947|1805396-62-6 https://www.jk-sci.com/products/s57c4x-27497 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aea0a83c-39a8-403d-8a89-b699b8dfea32.png?v=1774969841 Apalutamide Impurity 7 Apalutamide Impurity 7|C4X-27497 https://www.jk-sci.com/products/s57c4x-27669 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/151629_1c2c815e-b342-4386-8ff4-8bfe15ecb4f0.png?v=1775069621 Sepiapterin Impurity 9 | 2236-60-4 Sepiapterin Impurity 9|C4X-27669|2236-60-4 https://www.jk-sci.com/products/s57c4x-27692 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0046f91c42bf3d8e51c1ebb31b1c3717.jpg?v=1776418454 Droperidol EP Impurity E | 1346604-17-8 Droperidol EP Impurity E|C4X-27692|1346604-17-8 https://www.jk-sci.com/products/s57c4x-27699 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538581_4bde3fdc-0dbc-428d-9d2c-cce885aad169.png?v=1774717767 Droperidol Impurity 9 | 2062-84-2 Droperidol Impurity 9|C4X-27699|2062-84-2 https://www.jk-sci.com/products/s57c4x-2766 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327203 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6b26ac083bba9b62abdbc387432804d.jpg?v=1776355199 Triethoxyphenylsilane | 780-69-8 Triethoxyphenylsilane|27203|780-69-8 https://www.jk-sci.com/products/s57c4x-27805 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb11e1531288e1a316d61e4c723603b6.jpg?v=1776418479 Cladribine EP impurity E | 1831121-84-6 Cladribine EP impurity E|C4X-27805|1831121-84-6 https://www.jk-sci.com/products/s57c4x-277513 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/771e22331ed06043a63918343bda1aac.jpg?v=1776418469 Isoprenaline Hydrochloride EP Impurity A | 16899-81-3 Isoprenaline Hydrochloride EP Impurity A|C4X-277513|16899-81-3 https://www.jk-sci.com/products/s57c4x-27776 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eb1866a0-7811-4d18-9391-3340e773e0fc.png?v=1775155249 Chlorzoxazone Impurity 6 Chlorzoxazone Impurity 6|C4X-27776 https://www.jk-sci.com/products/s57c4x-278210 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c4c36d911978f5cf1e091bbb0ea7b4d.jpg?v=1776418485 Trametinib impurity 10 | 871700-30-0 Trametinib impurity 10|C4X-278210|871700-30-0 https://www.jk-sci.com/products/s57c1589388 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411154.png?v=1774902653 2-(Octadecyloxy)ethanol | 2136-72-3 2-(Octadecyloxy)ethanol|C1589388|2136-72-3 https://www.jk-sci.com/products/s57c4x-27822 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c89c5b333b50c7555f16ee1000051f2.jpg?v=1776418493 Deiodo Trametinib | 871700-65-1 Deiodo Trametinib|C4X-27822|871700-65-1 https://www.jk-sci.com/products/s57c4x-27901 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d6a434979765695a0bb7176715e221f.jpg?v=1776418498 Tacalcitol | 57333-96-7 Tacalcitol|C4X-27901|57333-96-7 https://www.jk-sci.com/products/s57c1623182 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ed86a213fa8e2a228154a20272b1278.jpg?v=1776402317 2-Chlorobenzene-1,3,5-triol | 84743-76-0 2-Chlorobenzene-1,3,5-triol|C1623182|84743-76-0 https://www.jk-sci.com/products/s57c4x-27914 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4e18ef90823b9a6cc5a7b627d1bc2ee.jpg?v=1776418506 Sulfadoxine impurity 4 | 5018-23-5 Sulfadoxine impurity 4|C4X-27914|5018-23-5 https://www.jk-sci.com/products/j5327242 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37b0cc5077e3d0c6fa80caffc43f45a3.jpg?v=1776355298 3-Iodo-4-methylbenzoic acid | 82998-57-0 3-Iodo-4-methylbenzoic acid|27242|82998-57-0 https://www.jk-sci.com/products/s57c4x-27918 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dc6928b4-f059-43a1-8813-e79cdd08d8ed.png?v=1774669050 Sulfadoxine impurity 8 Sulfadoxine impurity 8|C4X-27918 https://www.jk-sci.com/products/s57c1661929 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7cb807aa10b3204c3c40b36a3c2c1a8.jpg?v=1776402367 3,5-Dichloro-4-methoxybenzoyl Chloride | 29568-76-1 3,5-Dichloro-4-methoxybenzoyl Chloride|C1661929|29568-76-1 https://www.jk-sci.com/products/s57c4x-279627 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_92492197-af9d-4991-b115-97748b9ced39.png?v=1775063357 Ozenoxacin Impurity 27 Ozenoxacin Impurity 27|C4X-279627 https://www.jk-sci.com/products/s57c4x-28001 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7a8bc9e175506bc889f95c9b8d54791.jpg?v=1776418518 Troxerutin Impurity 1 | 6980-20-7 Troxerutin Impurity 1|C4X-28001|6980-20-7 https://www.jk-sci.com/products/s57c4x-28061 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9a2a82ef2534ceaf815ab629a2a38fe.jpg?v=1776418524 Monodocosahexaenoin | 140670-40-2 Monodocosahexaenoin|C4X-28061|140670-40-2 https://www.jk-sci.com/products/s57c1672764 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60d210dcd6bc1c8eeabe2dbc6b490e6a.jpg?v=1776402395 3-Bromopropyldibutylamine HBr | 88805-95-2 3-Bromopropyldibutylamine HBr|C1672764|88805-95-2 https://www.jk-sci.com/products/s57c4x-280620 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd6388a0447252ad478ef81d2f6e1bb9.jpg?v=1776418536 3-Methyl-5-pentyl-2-furantridecanoic Acid | 57818-42-5 3-Methyl-5-pentyl-2-furantridecanoic Acid|C4X-280620|57818-42-5 https://www.jk-sci.com/products/s57c4x-280628 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f6b3e770-d6e7-4b3f-b388-a279627212e2.png?v=1774640899 ethyl 11-(3,4-dimethyl-5-propylfuran-2-yl)undecanoate ethyl 11-(3,4-dimethyl-5-propylfuran-2-yl)undecanoate|C4X-280628 https://www.jk-sci.com/products/s57c4x-280916 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b0bde2ca-f43f-4464-9126-8d23b1efebb1.png?v=1774668057 Sacubitril impurity 16 Sacubitril impurity 16|C4X-280916 https://www.jk-sci.com/products/s57c4x-280635 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-2812 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10cfd76d3588bb4ecfab9a4ebad80275.jpg?v=1776418564 Pyrotinib Dimaleate | 1397922-61-0 Pyrotinib Dimaleate|C4X-2812|1397922-61-0 https://www.jk-sci.com/products/s57c4x-2819 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/219439_6535ab8d-47b4-4998-a6de-01d058e33cb9.png?v=1774713179 Pirenoxine | 1043-21-6 Pirenoxine|C4X-2819|1043-21-6 https://www.jk-sci.com/products/s57c1788052 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/741fb3efeeebcdcbdf640a07433e7fd2.jpg?v=1776402576 1-Azabicyclo[2.2.2]octan-3-yl acetate | 827-61-2 1-Azabicyclo[2.2.2]octan-3-yl acetate|C1788052|827-61-2 https://www.jk-sci.com/products/s57c4x-28364 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b44e222ea5ec9edecbe883783599a4ed.jpg?v=1776418584 Alectinib Impurity 4 | 1256584-72-1 Alectinib Impurity 4|C4X-28364|1256584-72-1 https://www.jk-sci.com/products/s57c4x-283624 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5c3f2beabb936c2b753ac97dbbc3d9d.jpg?v=1776418579 Alectinib impurity 24 | 1256585-32-6 Alectinib impurity 24|C4X-283624|1256585-32-6 https://www.jk-sci.com/products/s57c1790006 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/545888.png?v=1774902682 Argatroban Impurity N6 | 203383-33-9 Argatroban Impurity N6|C1790006|203383-33-9 https://www.jk-sci.com/products/s57c4x-28374 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aebe215b93597b1b25daa1344278d12d.jpg?v=1776418596 Nefopam Impurity 4 | 24833-47-4 Nefopam Impurity 4|C4X-28374|24833-47-4 https://www.jk-sci.com/products/s57c4x-28423 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a6c9192946f3a56aab3f50bb2803ec5.jpg?v=1776418602 Estradiol Valerate EP Impurity C | 95959-20-9 Estradiol Valerate EP Impurity C|C4X-28423|95959-20-9 https://www.jk-sci.com/products/s57c1795807 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105757_50d15619-65be-4875-9148-1ee6959bd111.png?v=1774902692 1-(2-Pyrimidinyl)piperazine dihydrochloride | 94021-22-4 1-(2-Pyrimidinyl)piperazine dihydrochloride|C1795807|94021-22-4 https://www.jk-sci.com/products/j5327255 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82301f520997a60c53603269f840291f.jpg?v=1776355343 Ammonium tetrachloropalladate(II) | 13820-40-1 Ammonium tetrachloropalladate(II)|27255|13820-40-1 https://www.jk-sci.com/products/j5327318 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387434d96e596fb70c7fa40f81f54b1a.jpg?v=1776355441 2-Chloro-4-methyl-3-nitropyridine | 23056-39-5 2-Chloro-4-methyl-3-nitropyridine|27318|23056-39-5 https://www.jk-sci.com/products/s57c4x-28429 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d26387454e19486fec24cef7056d10b.jpg?v=1776418611 Estradiol Valerate EP Impurity | 1313382-26-1 Estradiol Valerate EP Impurity|C4X-28429|1313382-26-1 https://www.jk-sci.com/products/s57c4x-28481 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-284812 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-284818 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-284814 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e48ff0ce-fab6-40d6-84f4-1ee65b77c059.png?v=1774668064 Nabumetone Impurity 14 Nabumetone Impurity 14|C4X-284814 https://www.jk-sci.com/products/s57c4x-284829 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e35982d1321e6b410f3608d650bd0f9a.jpg?v=1776418622 Nabumetone Impurity 28 | 6297-10-5 Nabumetone Impurity 28|C4X-284829|6297-10-5 https://www.jk-sci.com/products/s57c4x-284827 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05b5c91ce0f2d8f3637452ad1b80d150.jpg?v=1776418616 Nabumetone Impurity 27 | 98386-82-4 Nabumetone Impurity 27|C4X-284827|98386-82-4 https://www.jk-sci.com/products/s57c4x-28522 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e5ee7007-a2f1-4a29-812d-fccb4eb71ad6.png?v=1774665011 Butanal, 2-ethyl-,oxiMe Butanal, 2-ethyl-,oxiMe|C4X-28522 https://www.jk-sci.com/products/s57c4x-28489 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ac7dadca5f51065a447c39a857e26ce.jpg?v=1776418632 Nabumetone Impurity 9 | 102876-54-0 Nabumetone Impurity 9|C4X-28489|102876-54-0 https://www.jk-sci.com/products/s57c4x-28487 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1e747cab778c16677cba43d00c612d23.jpg?v=1776418625 Nabumetone Impurity 7 | 56894-99-6 Nabumetone Impurity 7|C4X-28487|56894-99-6 https://www.jk-sci.com/products/s57c4x-2857 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c82bec45d917fbdace519ef6925f980.jpg?v=1776418641 Omadacycline Tosylate | 1075240-43-5 Omadacycline Tosylate|C4X-2857|1075240-43-5 https://www.jk-sci.com/products/s57c1888638 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/459710.png?v=1774901638 2-Chlorobenzene-1,3-diol | 6201-65-6 2-Chlorobenzene-1,3-diol|C1888638|6201-65-6 https://www.jk-sci.com/products/j5327376 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f65c760fbd8afc331e48d9ff2e2c71a4.jpg?v=1776355582 Trimethoxy[2-(7-oxabicyclo[4.1.0]hept-3-yl)ethyl]silane | 3388-04-3 Trimethoxy[2-(7-oxabicyclo[4.1.0]hept-3-yl)ethyl]silane|27376|3388-04-3 https://www.jk-sci.com/products/s57c4x-28578 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbd1521b64dcdafacec1bc9bc12ef2d6.jpg?v=1776418658 Omacycline impurity 8 | 2272886-36-7 Omacycline impurity 8|C4X-28578|2272886-36-7 https://www.jk-sci.com/products/s57c4x-28572 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-285739 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b12581fb-1b74-4d42-ac10-de1426e4ba68.png?v=1774887082 Omadacycline Impurity 39 Omadacycline Impurity 39|C4X-285739 https://www.jk-sci.com/products/s57c4x-28576 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a83f98d5bdac17d9bf5805f53137ccd.jpg?v=1776418652 Omacycline Impurity 6 | 1075240-42-4 Omacycline Impurity 6|C4X-28576|1075240-42-4 https://www.jk-sci.com/products/s57c4x-28593 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de6846b37a0380c52340fc1e398d21a3.jpg?v=1776418664 Anamorelin Intermediate 3 | 210481-85-9 Anamorelin Intermediate 3|C4X-28593|210481-85-9 https://www.jk-sci.com/products/s57c1894605 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/393397.png?v=1774901643 Sarcosine anhydride | 5076-82-4 Sarcosine anhydride|C1894605|5076-82-4 https://www.jk-sci.com/products/s57c4x-28624 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91061cc5117392efebb37d7a3171b580.jpg?v=1776418670 Glutamic acid Impurity 4 | 57444-70-9 Glutamic acid Impurity 4|C4X-28624|57444-70-9 https://www.jk-sci.com/products/s57c4x-2860 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327406 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/186b744cabba28268f406c20c1e86482.jpg?v=1776355672 4-Benzyloxybenzyl cyanide | 838-96-0 4-Benzyloxybenzyl cyanide|27406|838-96-0 https://www.jk-sci.com/products/j5327389 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0427d4715f032d5550414e3b4dd055f9.jpg?v=1776355624 3-Ethynylaniline | 54060-30-9 3-Ethynylaniline|27389|54060-30-9 https://www.jk-sci.com/products/j5327416 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af6a4b24a19b0696ee1ada87020a51d2.jpg?v=1776355710 2-Ethoxyphenylacetic acid | 70289-12-2 2-Ethoxyphenylacetic acid|27416|70289-12-2 https://www.jk-sci.com/products/s57c4x-28653 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fae9e52fe5c96055e3f7cc19e703c81e.jpg?v=1776418674 (2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl methanesulfonate | 23344-52-7 (2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl methanesulfonate|C4X-28653|23344-52-7 https://www.jk-sci.com/products/s57c1897591 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c0e2d6caa2050fb8ef3a50bb5aea095_cb9fe12f-5217-41a0-9931-c9b67f8cd7bb.jpg?v=1776403164 tert-Butyl ((3S,5S)-5-methylpiperidin-3-yl)carbamate | 951163-61-4 tert-Butyl ((3S,5S)-5-methylpiperidin-3-yl)carbamate|C1897591|951163-61-4 https://www.jk-sci.com/products/s57c4x-28701 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814018.png?v=1775061075 1-Benzyl-4-(phenylamino)piperidine-4-carboxylicacid | 85098-64-2 1-Benzyl-4-(phenylamino)piperidine-4-carboxylicacid|C4X-28701|85098-64-2 https://www.jk-sci.com/products/j5327426 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a8accc8e45a675fd0dfd9724d72bd7e.jpg?v=1776355739 6-Nitrocoumarin | 2725-81-7 6-Nitrocoumarin|27426|2725-81-7 https://www.jk-sci.com/products/s57c4x-28778 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327437 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4face026b6631984d791c15fccf3f7dc.jpg?v=1776355776 3,4-Diaminobenzoic acid hydrazide | 103956-09-8 3,4-Diaminobenzoic acid hydrazide|27437|103956-09-8 https://www.jk-sci.com/products/s57c3d-1977 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264880_f9d5acc1-0c71-4e09-b281-c90788f0cd35.png?v=1774902703 3-Hydroxypropionitrile | 109-78-4 3-Hydroxypropionitrile|C3D-1977|109-78-4 https://www.jk-sci.com/products/s57c4x-28801 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b2a188eba40a9218654b8b921ec9016.jpg?v=1776418683 rac-Finerenone | 1050477-27-4 rac-Finerenone|C4X-28801|1050477-27-4 https://www.jk-sci.com/products/s57c4x-288011 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-288013 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dea7a36b9eab30bd23aa75042d8747ef.jpg?v=1776418692 Finerenone Impurity 13 | 1050477-45-6 Finerenone Impurity 13|C4X-288013|1050477-45-6 https://www.jk-sci.com/products/s57c4x-2880143 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cb230f1b-5b71-45de-be57-50f6c04066b8.png?v=1774667039 Finerenone Impurity 143 Finerenone Impurity 143|C4X-2880143 https://www.jk-sci.com/products/s57c3d-3687 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400608.png?v=1774902721 3-Fluorobenzylamine | 100-82-3 3-Fluorobenzylamine|C3D-3687|100-82-3 https://www.jk-sci.com/products/s57c4x-2880145 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_584be5e4-d99b-479f-b8df-39f2163cd4e9.png?v=1774896854 Finerenone Impurity 145 Finerenone Impurity 145|C4X-2880145 https://www.jk-sci.com/products/s57c4x-2880182 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8a09cd9-162e-41fc-a1ff-5556db6c9c41.png?v=1774646655 Finerenone Impurity 182-d5 Finerenone Impurity 182-d5|C4X-2880182 https://www.jk-sci.com/products/s57c4x-288015 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4accedf2-2aea-4f9a-9db8-423166941225.png?v=1774715205 Finerenone Impurity 15 Finerenone Impurity 15|C4X-288015 https://www.jk-sci.com/products/s57c3d-6063 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135303.png?v=1774901694 4-Methylaminopyridine | 3731-53-1 4-Methylaminopyridine|C3D-6063|3731-53-1 https://www.jk-sci.com/products/j5327459 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52faaac71607ec23a0fad75014ad240e.jpg?v=1776355827 5,6,7,8-Tetrahydronaphthalene-2-carbaldehyde | 51529-97-6 5,6,7,8-Tetrahydronaphthalene-2-carbaldehyde|27459|51529-97-6 https://www.jk-sci.com/products/j5327475 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1ea1b420d11489efa84b9f9223842ed.jpg?v=1776355856 3-Amino-2,6-dichloropyridine | 62476-56-6 3-Amino-2,6-dichloropyridine|27475|62476-56-6 https://www.jk-sci.com/products/s57c4x-288031 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-288026 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b02487d-2a19-42d9-96c5-c5b6fe879a0e.png?v=1775071798 Finerenone Impurity 26 Finerenone Impurity 26|C4X-288026 https://www.jk-sci.com/products/s57c4x-288036 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b09e6612186d8c6089b5211ca1d5ba35.jpg?v=1776418698 Finerenone Impurity 36 | 2087452-81-9 Finerenone Impurity 36|C4X-288036|2087452-81-9 https://www.jk-sci.com/products/s57c4x-288038 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1996ea1f-5cfa-42e1-9f40-9abeb3fa4f70.png?v=1774741531 Finerenone Impurity 38 Finerenone Impurity 38|C4X-288038 https://www.jk-sci.com/products/s57c3d-6145 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/532744.png?v=1774902726 1-Methylnicotine Chloride | 1005-24-9 1-Methylnicotine Chloride|C3D-6145|1005-24-9 https://www.jk-sci.com/products/s57c4x-28804 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11796dff9608c0d303e12a112b672e89.jpg?v=1776418704 Finerenone Impurity 4 | 2640280-86-8 Finerenone Impurity 4|C4X-28804|2640280-86-8 https://www.jk-sci.com/products/s57c4x-10016 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf5ec76e71cef2897abb34e1111f6b71.jpg?v=1776404072 Erythromycin EP Impurity C | 41451-91-6 Erythromycin EP Impurity C|C4X-10016|41451-91-6 https://www.jk-sci.com/products/s57c4x-288047 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fdb00cf7c72d272c7bbb98e5c032e39.jpg?v=1776418707 Finerenone Impurity 47 | 1050477-58-1 Finerenone Impurity 47|C4X-288047|1050477-58-1 https://www.jk-sci.com/products/s57c4x-10036 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5435a76af80bcf3ca8cbaa94b9fbc670.jpg?v=1776404172 Azithromycin EP Impurity C | 620169-47-3 Azithromycin EP Impurity C|C4X-10036|620169-47-3 https://www.jk-sci.com/products/s57c4x-102415 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fe16abce-5e74-4b4c-85e6-cb3e4f0ac77c.png?v=1774902757 alpha-Capecitabine alpha-Capecitabine|C4X-102415 https://www.jk-sci.com/products/j5327516 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360aa58e3d5c41c29391082d122befaf.jpg?v=1776355968 Methyl 2-pyridylmethyl ether | 23579-92-2 Methyl 2-pyridylmethyl ether|27516|23579-92-2 https://www.jk-sci.com/products/j5327490 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f0a9475527a1f7f2b52e19b2f8787f6.jpg?v=1776355901 1-Aminoisoquinoline | 1532-84-9 1-Aminoisoquinoline|27490|1532-84-9 https://www.jk-sci.com/products/s57c4x-288050 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3352a9de10f916ea649ef66f705f8b0.jpg?v=1776418715 Finerenone Impurity 50(Mixture of Z and E Isomers) | 1050477-39-8 Finerenone Impurity 50(Mixture of Z and E Isomers)|C4X-288050|1050477-39-8 https://www.jk-sci.com/products/s57c4x-288067 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bc07af90-3cd8-454c-986c-79fe6ad49dd1.png?v=1774660123 Finerenone Impurity 67 Finerenone Impurity 67|C4X-288067 https://www.jk-sci.com/products/s57c4x-10491 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414befb262b1b2a5df85b653acd85e68.jpg?v=1776405051 Saxagliptin Impurity 1 | 1564265-95-7 Saxagliptin Impurity 1|C4X-10491|1564265-95-7 https://www.jk-sci.com/products/s57c4x-288074 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/479a0ef7e7216d42d8a0c5b3f198cee3.jpg?v=1776418721 Finerenone Impurity 74 | 2640506-74-5 Finerenone Impurity 74|C4X-288074|2640506-74-5 https://www.jk-sci.com/products/j5327531 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9275a12605f6f69ab8630f319001c2a0.jpg?v=1776355999 n-Decyl-N,N-dimethyl-3-ammonio-1-propanesulfonate | 15163-36-7 n-Decyl-N,N-dimethyl-3-ammonio-1-propanesulfonate|27531|15163-36-7 https://www.jk-sci.com/products/s57c4x-106492 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27e97e7f-2ff0-4c12-a45f-1c43b830a64d.png?v=1774901753 Ibrutinib Impurity 92 Ibrutinib Impurity 92|C4X-106492 https://www.jk-sci.com/products/j5327549 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef7fa91a567b8944a05337eb48b2cb2c.jpg?v=1776356042 2,4'-Dichlorobenzophenone | 85-29-0 2,4'-Dichlorobenzophenone|27549|85-29-0 https://www.jk-sci.com/products/j5327584 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d2679dada97a726d281dad671911896.jpg?v=1776356139 Diethyl 2-ethyl-2-phenylmalonate | 76-67-5 Diethyl 2-ethyl-2-phenylmalonate|27584|76-67-5 https://www.jk-sci.com/products/s57c4x-10725 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135197944a86e836c8d2d544f5a97b1b.jpg?v=1776405880 Bortezomib Impurity 5 | 1132709-16-0 Bortezomib Impurity 5|C4X-10725|1132709-16-0 https://www.jk-sci.com/products/s57c4x-28809 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c926fa92eebae3cf900593549ed2a7f.jpg?v=1776418724 (R)-Finerenone Impurity | 1050477-30-9 (R)-Finerenone Impurity|C4X-28809|1050477-30-9 https://www.jk-sci.com/products/s57c4x-107468 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/920232_76ff4872-2240-4d0d-9d17-24fdf737bd0a.png?v=1774901767 Moxifloxacin EP Impurity A | 151213-15-9 Moxifloxacin EP Impurity A|C4X-107468|151213-15-9 https://www.jk-sci.com/products/s57c4x-28811 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0036b1060d57bb899610503418f2ba51.jpg?v=1776418727 Ritalin Impurity 1 | 2125941-27-5 Ritalin Impurity 1|C4X-28811|2125941-27-5 https://www.jk-sci.com/products/s57c4x-288617 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7842efba-e989-4767-b3af-ae2d055105c9.png?v=1784619809 3,2′-O-dimethyluridine Phosphoramidite 3,2′-O-dimethyluridine Phosphoramidite|C4X-288617 https://www.jk-sci.com/products/s57c4x-10842 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432d0e7efe4f1501ffb7a409b1c612f2.jpg?v=1776406346 Roflumilast Impurity 2 | 1391052-76-8 Roflumilast Impurity 2|C4X-10842|1391052-76-8 https://www.jk-sci.com/products/s57c4x-108858 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b6a7b45f-58c2-4e9f-949f-5f853a2d1824.png?v=1774902805 Apixaban Impurity 58 Apixaban Impurity 58|C4X-108858 https://www.jk-sci.com/products/s57c4x-288619 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d39ea7d8-438a-4f1a-b007-6dd0995f1396.png?v=1784619438 N4-acetylcytidine Phosphoramidite N4-acetylcytidine Phosphoramidite|C4X-288619 https://www.jk-sci.com/products/s57c4x-28901 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/463edaa9cf3f8abbd7778064d03e20f0.jpg?v=1776418733 ethyl (5Z,8Z,11Z,14Z)-nonadeca-5,8,11,14-tetraenoate | 860629-94-3 ethyl (5Z,8Z,11Z,14Z)-nonadeca-5,8,11,14-tetraenoate|C4X-28901|860629-94-3 https://www.jk-sci.com/products/s57c4x-289011 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a5eb46dc-3672-4eda-b845-9335e4b6b171.png?v=1774727112 (5E,8E,11Z,14Z,17Z)-5,8,11,14,17-Ethyl Eicosapentaenoate (5E,8E,11Z,14Z,17Z)-5,8,11,14,17-Ethyl Eicosapentaenoate|C4X-289011 https://www.jk-sci.com/products/s57c4x-10891 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2cb853c9eacc7f98728195d5da62123.jpg?v=1776406585 Dabigatran Impurity 1 | 1408238-40-3 Dabigatran Impurity 1|C4X-10891|1408238-40-3 https://www.jk-sci.com/products/s57c4x-10925 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f40e62b437e087c24cee41262fc63da4.jpg?v=1776406719 Dronedarone Impurity 5 | 141627-42-1 Dronedarone Impurity 5|C4X-10925|141627-42-1 https://www.jk-sci.com/products/s57c4x-11316 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2655217dde9cf8a30b412c208e5d1374.jpg?v=1776407891 Brexpiprazole Impurity 6 | 1886188-97-1 Brexpiprazole Impurity 6|C4X-11316|1886188-97-1 https://www.jk-sci.com/products/j5327594 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87a0a55aa29e0200b718b601c4d670f4.jpg?v=1776356169 5-(2-Chlorophenyl)-1H-tetrazole | 50907-46-5 5-(2-Chlorophenyl)-1H-tetrazole|27594|50907-46-5 https://www.jk-sci.com/products/s57c4x-1176166 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ceaee35da9ae108d269e03fed240ef0.jpg?v=1776408830 Salbutamol impurity 166 | 2919946-71-5 Salbutamol impurity 166|C4X-1176166|2919946-71-5 https://www.jk-sci.com/products/s57c4x-11762 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cb45ef30d8c3dfcb51c90d508844c8b.jpg?v=1776408833 Salbutamol EP Impurity C | 18910-68-4 Salbutamol EP Impurity C|C4X-11762|18910-68-4 https://www.jk-sci.com/products/s57c4x-289013 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b7bf4054-8668-4c0d-9200-5ef17895c6e9.png?v=1775153472 (5Z,8E,11Z,14E,17Z)-5,8,11,14,17-Ethyl Eicosapentaenoate (5Z,8E,11Z,14E,17Z)-5,8,11,14,17-Ethyl Eicosapentaenoate|C4X-289013 https://www.jk-sci.com/products/s57c4x-289023 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_516fcdd1-8d4f-4913-a58a-53b9451f53bf.png?v=1775071801 Ethyl (3Z,6Z,9Z,12Z,15Z,18Z)-icosa-3,6,9,12,15,18-hexaenoate Ethyl (3Z,6Z,9Z,12Z,15Z,18Z)-icosa-3,6,9,12,15,18-hexaenoate|C4X-289023 https://www.jk-sci.com/products/s57c4x-289028 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538371ecff2fdda17da20ae045d67838.jpg?v=1776418740 Methyl 15(E)-Tetracosenoate | 1195236-85-1 Methyl 15(E)-Tetracosenoate|C4X-289028|1195236-85-1 https://www.jk-sci.com/products/s57c4x-28906 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b80d924da49c2e1b3ff2eb63d01a583.jpg?v=1776418745 ethyl(5E,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate | 125827-50-1 ethyl(5E,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate|C4X-28906|125827-50-1 https://www.jk-sci.com/products/s57c4x-28904 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d63127b7-d1b3-4c23-a529-a3e73478897d.png?v=1774669981 ethyl (5Z,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate ethyl (5Z,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate|C4X-28904 https://www.jk-sci.com/products/j5327610 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2545a84858d9001d6fa7af26268e0493.jpg?v=1776356208 Dodecyltrimethylammonium chloride | 112-00-5 Dodecyltrimethylammonium chloride|27610|112-00-5 https://www.jk-sci.com/products/s57c4x-2892 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8fda314fda1b40d1cd54199a8d8692d.jpg?v=1776418751 Almonertinib | 1899921-05-1 Almonertinib|C4X-2892|1899921-05-1 https://www.jk-sci.com/products/s57c4x-28908 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be8b3731b03711154a01ec2ce074c746.jpg?v=1776418748 ethyl (5Z,8E,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate | 125827-49-8 ethyl (5Z,8E,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate|C4X-28908|125827-49-8 https://www.jk-sci.com/products/s57c4x-28963 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7b4bfa7-1d3a-49b5-8fc1-2ace59e6e09f.png?v=1774882445 Vericiguat Impurity 3 Vericiguat Impurity 3|C4X-28963 https://www.jk-sci.com/products/s57c4x-29021 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f430d04fd9382c3352a34b6a193bc24.jpg?v=1776418765 Ozanimod Impurity 1 | 258273-31-3 Ozanimod Impurity 1|C4X-29021|258273-31-3 https://www.jk-sci.com/products/s57c4x-289618 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd13ea81-3e8a-4b7f-9b1c-c0825129c810.png?v=1775072980 Vericiguat Impurity 18 Vericiguat Impurity 18|C4X-289618 https://www.jk-sci.com/products/s57c4x-28966 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0d96f21b-c96b-46e1-adae-4abb5194eca3.png?v=1775072983 Vericiguat Impurity 6 Vericiguat Impurity 6|C4X-28966 https://www.jk-sci.com/products/s57c4x-28961 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3a2cd3fba4fb4248e1f9998cfbc2b5d_9cba958a-64a8-466f-8210-5a810b17f218.jpg?v=1776418757 Vericiguat Impurity 1 | 1350653-30-3 Vericiguat Impurity 1|C4X-28961|1350653-30-3 https://www.jk-sci.com/products/s57c4x-290217 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327621 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92cf829d23e9049cfff99ae0dcb75699.jpg?v=1776356222 N-Butylimidazole | 4316-42-1 N-Butylimidazole|27621|4316-42-1 https://www.jk-sci.com/products/s57c4x-29026 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3217c65f-069e-4ce8-8781-34e7a46dc21f.png?v=1774884947 Ozanimod Impurity 26 Ozanimod Impurity 26|C4X-29026 https://www.jk-sci.com/products/s57c4x-29028 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_599816bc-9b6b-4dfc-877f-d9d01e20dcb4.png?v=1775140728 Ozanimod Impurity 28 Ozanimod Impurity 28|C4X-29028 https://www.jk-sci.com/products/s57c4x-2903 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-29031 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52613486-ce99-4deb-b0cb-fcf8fae20e26.png?v=1774670989 Pemafibrate Impurity 1 Pemafibrate Impurity 1|C4X-29031 https://www.jk-sci.com/products/s57c4x-125812 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/165acae9dab1f5d2b14ac5977b55a702.jpg?v=1776409907 Buspirone EP Impurity L | 21098-11-3 Buspirone EP Impurity L|C4X-125812|21098-11-3 https://www.jk-sci.com/products/j5327623 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6afad09ed2d8dcd155bfc3edd173264.jpg?v=1776356229 2,3,5-Trichloropyridine | 16063-70-0 2,3,5-Trichloropyridine|27623|16063-70-0 https://www.jk-sci.com/products/s57c4x-290316 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a8bd3f3-3aa7-4d9b-b5dd-cb924d6d086d.png?v=1774900898 Pemafibrate Impurity 16 Pemafibrate Impurity 16|C4X-290316 https://www.jk-sci.com/products/s57c4x-29035 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bf7f833c3cdf6aebfb396b40b2a19c2.jpg?v=1776418771 Pemafibrate Impurity 5 | 848260-89-9 Pemafibrate Impurity 5|C4X-29035|848260-89-9 https://www.jk-sci.com/products/s57c4x-290319 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a799f9d6-8bec-47b8-84e5-3f560f7a73bb.png?v=1774715224 Pemafibrate Impurity 19 Pemafibrate Impurity 19|C4X-290319 https://www.jk-sci.com/products/s57c4x-1393 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540885.png?v=1774901927 Alfacalcidol | 41294-56-8 Alfacalcidol|C4X-1393|41294-56-8 https://www.jk-sci.com/products/j5327629 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/008ee93302f69491072ee6eb20923474.jpg?v=1776356244 3-Mercapto-1-propanesulfonic acid sodium salt | 17636-10-1 3-Mercapto-1-propanesulfonic acid sodium salt|27629|17636-10-1 https://www.jk-sci.com/products/s57c4x-29036 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df5ba8173c42f470e551980a3364359e.jpg?v=1776418773 Pemafibrate Impurity 6 | 907192-61-4 Pemafibrate Impurity 6|C4X-29036|907192-61-4 https://www.jk-sci.com/products/s57c4x-29039 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_05627786-85e0-4da7-b32c-789dd8969da1.png?v=1774661321 Pemafibrate Impurity 9 Pemafibrate Impurity 9|C4X-29039 https://www.jk-sci.com/products/s57c4x-291219 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8be0055-85a4-475b-a10d-671a39e8c403.png?v=1774722317 Resmetirom impurity 19 Resmetirom impurity 19|C4X-291219 https://www.jk-sci.com/products/s57c4x-291265 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc1e5c4c9e377be30a703ecfdd797aae.jpg?v=1776418782 Resmetirom impurity 65 | 1696366-11-6 Resmetirom impurity 65|C4X-291265|1696366-11-6 https://www.jk-sci.com/products/s57c4x-167819 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc028ba595a065ad1ecb84ca9e18ac49.jpg?v=1776413841 Levothyroxine N-Methylamide | 2088032-52-2 Levothyroxine N-Methylamide|C4X-167819|2088032-52-2 https://www.jk-sci.com/products/s57c4x-29144 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_344e64b5-b6c4-49cc-bfed-2c82d95113a9.png?v=1775136896 Irsogladine Impurity 4 Irsogladine Impurity 4|C4X-29144 https://www.jk-sci.com/products/s57c4x-29151 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32e2242d74d87a70a1bafa7c940f2e5b.jpg?v=1776418790 Letermovir Impurity 1 | 917389-29-8 Letermovir Impurity 1|C4X-29151|917389-29-8 https://www.jk-sci.com/products/s57c4x-291513 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4218f6ab-85c4-45f8-ba2d-54505930b63b.png?v=1774722321 Letermovir Impurity 13 Letermovir Impurity 13|C4X-291513 https://www.jk-sci.com/products/s57c4x-291527 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f19be87cdb0606d0d44d21d2caea10cb.jpg?v=1776418793 Letermovir Impurity 27 | 2991059-71-1 Letermovir Impurity 27|C4X-291527|2991059-71-1 https://www.jk-sci.com/products/s57c4x-291535 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3effbc1-d0c5-427f-8532-88686ea153eb.png?v=1774642617 (R)-Letermovir Ethyl Ester (R)-Letermovir Ethyl Ester|C4X-291535 https://www.jk-sci.com/products/s57c1045321 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3840f241-a1cb-4df4-b4a8-1a820eb3706f.png?v=1774904204 1,2-Dioctanoylglycerol ( Mixture of 1,3-Dioctanoyl Glycerol) 1,2-Dioctanoylglycerol ( Mixture of 1,3-Dioctanoyl Glycerol)|C1045321 https://www.jk-sci.com/products/j5327654 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb589f97907730d886147d402d7f0cb6.jpg?v=1776356310 4-Chloro-3-methylbenzoic acid | 7697-29-2 4-Chloro-3-methylbenzoic acid|27654|7697-29-2 https://www.jk-sci.com/products/s57c4x-291543 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ffd1b8e2-5b20-4743-b700-b7d09bacebb8.png?v=1774972087 Letermovir Impurity 43 Letermovir Impurity 43|C4X-291543 https://www.jk-sci.com/products/s57c4x-291549 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_22c57ff7-c001-4cfc-9e74-ad90c75f715e.png?v=1775061089 Letermovir Impurity 49 Letermovir Impurity 49|C4X-291549 https://www.jk-sci.com/products/s57c1281880 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_44747644-1f2e-4b69-9ae3-9784d00054fa.png?v=1774904208 (2R,4R)-Teneligliptin TFA (2R,4R)-Teneligliptin TFA|C1281880 https://www.jk-sci.com/products/j5327659 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7408896ada5f42016f0d835b6df2d5fb.jpg?v=1776356318 Diethoxy(3-glycidyloxypropyl)methylsilane | 2897-60-1 Diethoxy(3-glycidyloxypropyl)methylsilane|27659|2897-60-1 https://www.jk-sci.com/products/s57c4x-29158 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-24166 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6a2b084f5e27e1dd87d2d4ff19df89b.jpg?v=1776417921 Cenobamate impurity 6 | 913088-81-0 Cenobamate impurity 6|C4X-24166|913088-81-0 https://www.jk-sci.com/products/s57c4x-23051 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59a7a4d0df1cf81fb4060fb9b7d2d9b3.jpg?v=1776417606 Dacarbazine EP Impurity A | 4656-86-4 Dacarbazine EP Impurity A|C4X-23051|4656-86-4 https://www.jk-sci.com/products/s57c4x-222620 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a2638ec-67be-41a0-82b9-362b49de4af5.png?v=1774642575 Semaglutide Sodium Salt Semaglutide Sodium Salt|C4X-222620 https://www.jk-sci.com/products/s57c1349206 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365590.png?v=1774902640 2-amino-3-methylpyridine | 1603-40-3 2-amino-3-methylpyridine|C1349206|1603-40-3 https://www.jk-sci.com/products/s57c1562299 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c20e9898ada1019412422fb6f99a1cd.jpg?v=1776402165 (H-Cys-Gly-OH)2 | 7729-20-6 (H-Cys-Gly-OH)2|C1562299|7729-20-6 https://www.jk-sci.com/products/s57c1741106 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/194c140a154ffa7d67e3735b14e4f558.jpg?v=1776402508 5-(tert-Butoxy)-5-oxo-4-(4,7,10-tris(2-(tert-butoxy)-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl)pentanoic acid | 306776-79-4 5-(tert-Butoxy)-5-oxo-4-(4,7,10-tris(2-(tert-butoxy)-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl)pentanoic acid|C1741106|306776-79-4 https://www.jk-sci.com/products/s57c4x-240520 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ce701120-50c5-4228-8573-acafaa080666.png?v=1775071770 Upadacitinib Impurity 20 Upadacitinib Impurity 20|C4X-240520 https://www.jk-sci.com/products/s57c4x-243219 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04ecf2bc90da13d2730cb817629b7616.jpg?v=1776418021 Testosterone Impurity 19 | 2243-06-3 Testosterone Impurity 19|C4X-243219|2243-06-3 https://www.jk-sci.com/products/s57c4x-2461 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/586634_8a0bcf17-05f0-46bb-a9f1-d4705c964935.png?v=1775135634 Pimobendam | 74150-27-9 Pimobendam|C4X-2461|74150-27-9 https://www.jk-sci.com/products/j5327678 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f590911dbe0f6a2aadae949ac66048f.jpg?v=1776356360 Lauryl triethoxy silane | 18536-91-9 Lauryl triethoxy silane|27678|18536-91-9 https://www.jk-sci.com/products/s57c4x-24903 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fc4ee784958d04dba1ff3dcfa7ff599_6a1dc1f2-f4cf-4dcb-8c64-59eef4a99cc6.jpg?v=1776418156 Molnupiravir Impurity 3 | 3258-02-4 Molnupiravir Impurity 3|C4X-24903|3258-02-4 https://www.jk-sci.com/products/s57c4x-24714 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/856fbaa65e823733c1fa8966590177cf.jpg?v=1776418099 Amodiaquine Dihydrochloride Dihydrate | 6398-98-7 Amodiaquine Dihydrochloride Dihydrate|C4X-24714|6398-98-7 https://www.jk-sci.com/products/j5327704 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd84951f3f0ee87ed0e766c3532112d2.jpg?v=1776356422 6-(4-Fluorophenyl)pyrimidine-2,4-diamine | 175137-25-4 6-(4-Fluorophenyl)pyrimidine-2,4-diamine|27704|175137-25-4 https://www.jk-sci.com/products/s57c4x-249443 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_89bc8e35-21ef-488f-ae46-436d8fbd66b7.png?v=1774668042 Dotinurad Impurity 43 Dotinurad Impurity 43|C4X-249443 https://www.jk-sci.com/products/s57c4x-250327 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/057cff36497c53e7be2e227044494cf0.jpg?v=1776418208 Indocyanine Green Impurity 27 | 1563-87-7 Indocyanine Green Impurity 27|C4X-250327|1563-87-7 https://www.jk-sci.com/products/s57c4x-25103 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c3cfa92365e321e2a609e0cc11272cd.jpg?v=1776418236 Carbodenafil Impurity 3 | 2520113-14-6 Carbodenafil Impurity 3|C4X-25103|2520113-14-6 https://www.jk-sci.com/products/s57c1788588 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499167.png?v=1774902677 Adenine Phosphate | 52175-10-7 Adenine Phosphate|C1788588|52175-10-7 https://www.jk-sci.com/products/s57c4x-252020 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1bb0f63d-3033-44ca-8993-f98bca2c6323.png?v=1774902169 Pitolisant impurity 20 Pitolisant impurity 20|C4X-252020 https://www.jk-sci.com/products/s57c4x-25314 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/218871_cd7c4396-dc42-4529-acca-2c1c05cd6a61.png?v=1774666049 1-(2,4-DiMethylphenyl)ethano | 5379-19-1 1-(2,4-DiMethylphenyl)ethano|C4X-25314|5379-19-1 https://www.jk-sci.com/products/j5327728 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4ab33931262ee483f4aab34a7a9b5b9.jpg?v=1776356471 1,1,1,3,5,5,5-heptamethyltrisiloxane | 1873-88-7 1,1,1,3,5,5,5-heptamethyltrisiloxane|27728|1873-88-7 https://www.jk-sci.com/products/s57c1793905 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260bd34a3efc4cc011a011d68002441d.jpg?v=1776402639 Bifendate Impurity N3 | 79279-08-6 Bifendate Impurity N3|C1793905|79279-08-6 https://www.jk-sci.com/products/s57c4x-25441 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-25871 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-25631 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/408437_20f38b40-66e2-4193-ba71-5b9e4470d008.png?v=1775135658 (+)-Dibenzoyl-D-tartaric Acid | 17026-42-5 (+)-Dibenzoyl-D-tartaric Acid|C4X-25631|17026-42-5 https://www.jk-sci.com/products/s57c4x-26085 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5439f557181e812d125c9afcce6f99b.jpg?v=1776418321 1-(2-Fluoro-3-hydroxyphenyl)ethanone | 1191999-09-3 1-(2-Fluoro-3-hydroxyphenyl)ethanone|C4X-26085|1191999-09-3 https://www.jk-sci.com/products/j5327748 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd13972c3eda7ad68c0f0dffabacbe6.jpg?v=1776356522 1-Propyl-1H-imidazole | 35203-44-2 1-Propyl-1H-imidazole|27748|35203-44-2 https://www.jk-sci.com/products/s57c4x-262114 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02cbe0e30b68bd65588401ba3e07a17e_16a38faf-4e25-44dd-b053-36b96d675ccf.jpg?v=1776418352 Landiolol Impurity 14 | 154467-16-0 Landiolol Impurity 14|C4X-262114|154467-16-0 https://www.jk-sci.com/products/j5327750 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd967af29ef4df95247bda1c57bee211.jpg?v=1776356529 5-Chloro-2-methylphenol | 5306-98-9 5-Chloro-2-methylphenol|27750|5306-98-9 https://www.jk-sci.com/products/s57c1922002 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6848c2eaf3157ab7514eabd713800052_f739e341-16f4-4ce3-a95f-9b1cba086ce6.jpg?v=1776403240 3,4-Dichlorophenylacetic acid | 5807-30-7 3,4-Dichlorophenylacetic acid|C1922002|5807-30-7 https://www.jk-sci.com/products/s57c3d-2354 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/207856_0447d26f-ec2e-4f70-9d4a-d87bacd4fc1d.png?v=1774902708 1-Acetylisonipecotic Acid | 25503-90-6 1-Acetylisonipecotic Acid|C3D-2354|25503-90-6 https://www.jk-sci.com/products/s57c4x-262213 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f06cf0da95d33f41621ecf2e293bdb4e.jpg?v=1776418367 Ramelteon Impurity 13 | 196597-80-5 Ramelteon Impurity 13|C4X-262213|196597-80-5 https://www.jk-sci.com/products/s57c4x-26282 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f298c8767c60ea77bd4b48c716fcc18d.jpg?v=1776418381 6-AMidino-2-naphthol Methanesulfonate | 82957-06-0 6-AMidino-2-naphthol Methanesulfonate|C4X-26282|82957-06-0 https://www.jk-sci.com/products/s57c4x-26393 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/077642506a60dfafd0ae7adbf9d8768e.jpg?v=1776418396 1-(2-butoxyphenyl)ethanone | 7197-02-6 1-(2-butoxyphenyl)ethanone|C4X-26393|7197-02-6 https://www.jk-sci.com/products/j5327779 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77a00683dcbdcbfb0ade792188499e34.jpg?v=1776356599 5-Chlorovaleric acid methyl ester | 14273-86-0 5-Chlorovaleric acid methyl ester|27779|14273-86-0 https://www.jk-sci.com/products/s57c4x-2648 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-274937 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_551db2da-db29-4df9-9efd-1c14e72e33a5.png?v=1774720386 Apalutamide Impurity 37 Apalutamide Impurity 37|C4X-274937 https://www.jk-sci.com/products/s57c4x-27489 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/334240_c7aac81a-34bd-4e3e-88ca-73b807bc6ef0.png?v=1774723242 Tetrabenazine Impurity 9 | 3466-75-9 Tetrabenazine Impurity 9|C4X-27489|3466-75-9 https://www.jk-sci.com/products/j5327770 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7eada3dc410890a1b40ba5e9b266a896.jpg?v=1776356581 Palladium (II) hydroxide | 12135-22-7 Palladium (II) hydroxide|27770|12135-22-7 https://www.jk-sci.com/products/s57c4x-27498 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4517e3c2-ccda-44e0-9206-5ea7c40eeb85.png?v=1774984985 Apalutamide Impurity 8 Apalutamide Impurity 8|C4X-27498 https://www.jk-sci.com/products/s57c4x-276623 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d19ebbf194553a07e5166e1628ce2471.jpg?v=1776418448 Sepiapterin impurity 23 | 87877-69-8 Sepiapterin impurity 23|C4X-276623|87877-69-8 https://www.jk-sci.com/products/s57c4x-27694 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abc7cbf76c17dc3064556629fe789c8c.jpg?v=1776418459 Droperidol EP Impurity C | 60373-76-4 Droperidol EP Impurity C|C4X-27694|60373-76-4 https://www.jk-sci.com/products/j5327784 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd9f31560adf923150264499d4a28334.jpg?v=1776356617 cis-2,6-Dimethylpiperidine | 504-03-0 cis-2,6-Dimethylpiperidine|27784|504-03-0 https://www.jk-sci.com/products/s57c4x-277530 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9bd13d0-a7d6-410b-96a3-d2e0312a0184.png?v=1774965837 N-Nitroso-Isoprenaline Impurity A N-Nitroso-Isoprenaline Impurity A|C4X-277530 https://www.jk-sci.com/products/s57c4x-2782 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1239133_2ca01e8c-92a7-488b-bb98-96d950924d3e.png?v=1775072972 Trametinib | 871700-17-3 Trametinib|C4X-2782|871700-17-3 https://www.jk-sci.com/products/s57c4x-27829 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335282_afe3042e-4d6e-4d06-a37f-4f44b80eb396.png?v=1774673011 Trametinib impurity 9 | 29632-74-4 Trametinib impurity 9|C4X-27829|29632-74-4 https://www.jk-sci.com/products/s57c4x-27916 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327793 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ace0a6530cb3f292b98d4627b951d864.jpg?v=1776356624 1-Thio-b-D-galactose sodium salt | 42891-22-5 1-Thio-b-D-galactose sodium salt|27793|42891-22-5 https://www.jk-sci.com/products/s57c4x-279654 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_816c24a7-47a6-4608-8841-77355ff4b5ca.png?v=1775071793 Ozenoxacin Impurity 54 Ozenoxacin Impurity 54|C4X-279654 https://www.jk-sci.com/products/s57c4x-280619 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd521a9c1b879d856851678c3b230e90.jpg?v=1776418530 Ethyl 6(Z),9(Z),12(Z),15(Z)-Hexadecatetraenoate | 845779-89-7 Ethyl 6(Z),9(Z),12(Z),15(Z)-Hexadecatetraenoate|C4X-280619|845779-89-7 https://www.jk-sci.com/products/s57c4x-280631 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21d252b93f9719203daf075a2e913c2c.jpg?v=1776418545 Ethyl (6Z,9Z,12Z,15Z,18Z,21Z)-tetracosa-6,9,12,15,18,21-hexaenoate | 2435680-90-1 Ethyl (6Z,9Z,12Z,15Z,18Z,21Z)-tetracosa-6,9,12,15,18,21-hexaenoate|C4X-280631|2435680-90-1 https://www.jk-sci.com/products/s57c3d-25934 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/414364.png?v=1774902712 (S)-2-Hydroxybutanoic acid | 3347-90-8 (S)-2-Hydroxybutanoic acid|C3D-25934|3347-90-8 https://www.jk-sci.com/products/s57c4x-28292 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5fad08dbb7648bd5f6be23ece2d7967.jpg?v=1776418570 Sucralose Impurity 2 | 475491-24-8 Sucralose Impurity 2|C4X-28292|475491-24-8 https://www.jk-sci.com/products/s57c4x-280922 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40014fe872843a0cbae231438673407d.jpg?v=1776418562 Sacubitril Impurity 22 | 2459446-53-6 Sacubitril Impurity 22|C4X-280922|2459446-53-6 https://www.jk-sci.com/products/j5327826 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71a8d41a93af50bae4996930a5e312a6.jpg?v=1776356679 2-Chloro-6-(trichloromethyl)pyridine | 1929-82-4 2-Chloro-6-(trichloromethyl)pyridine|27826|1929-82-4 https://www.jk-sci.com/products/s57c4x-288012 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c456f229e434eb14e4800c5cd8a79f1.jpg?v=1776418689 Finerenone Impurity 12 | 2084136-51-4 Finerenone Impurity 12|C4X-288012|2084136-51-4 https://www.jk-sci.com/products/s57c4x-2850 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d8ac7422c6805cd42047d4e24b32bab.jpg?v=1776418635 Robenacoxib | 220991-32-2 Robenacoxib|C4X-2850|220991-32-2 https://www.jk-sci.com/products/s57c4x-28575 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89929311cddb688f21a645a530f1a259.jpg?v=1776418649 Omacycline 4-one impurity | 885112-31-2 Omacycline 4-one impurity|C4X-28575|885112-31-2 https://www.jk-sci.com/products/s57c3d-4767 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/267424.png?v=1774904275 L-Arginine L-aspartate | 7675-83-4 L-Arginine L-aspartate|C3D-4767|7675-83-4 https://www.jk-sci.com/products/s57c4x-28368 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0c727f5ab9b0a4b9d99d2e002e4b143.jpg?v=1776418590 Alectinib Impurity 8 | 1256585-14-4 Alectinib Impurity 8|C4X-28368|1256585-14-4 https://www.jk-sci.com/products/s57c4x-2880 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/948f3e673d35c8485dc0699d88e7d3db.jpg?v=1776418679 Finerenone | 1050477-31-0 Finerenone|C4X-2880|1050477-31-0 https://www.jk-sci.com/products/s57c4x-28456 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-288037 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a0dd5ad8cddd782a4526c73bb15c10f.jpg?v=1776418701 Finerenone Impurity 37 | 2924224-42-8 Finerenone Impurity 37|C4X-288037|2924224-42-8 https://www.jk-sci.com/products/s57c4x-284813 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6bf55703-e47d-4d87-bffb-4c16521927a9.png?v=1774668060 Nabumetone Impurity 13 Nabumetone Impurity 13|C4X-284813 https://www.jk-sci.com/products/s57c3d-5394 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/433520.png?v=1774904283 Pyrophosphoric acid | 2466-09-3 Pyrophosphoric acid|C3D-5394|2466-09-3 https://www.jk-sci.com/products/s57c4x-28684 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-28580 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51b6fbd5f5dd5961e7a9ddc31be187d5.jpg?v=1776418662 【停用请询C4X-285726】Omacycline M+2 impurity | 2272886-40-3 【停用请询C4X-285726】Omacycline M+2 impurity|C4X-28580|2272886-40-3 https://www.jk-sci.com/products/j5327848 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfb646e2be3946347acd503eb9d488a3.jpg?v=1776356716 3-[(4'-Amino-3,3',5,5'-tetramethyl[1,1'-biphenyl]-4-yl)amino]-1-propanesulfonic | 102062-36-2 3-[(4'-Amino-3,3',5,5'-tetramethyl[1,1'-biphenyl]-4-yl)amino]-1-propanesulfonic|27848|102062-36-2 https://www.jk-sci.com/products/s57c4x-288016 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_00cae2e9-5d87-4485-9d64-8223076c6b64.png?v=1774891819 Finerenone Impurity 16 Finerenone Impurity 16|C4X-288016 https://www.jk-sci.com/products/s57c4x-28425 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c69570adba4d39cf36137489c17348b.jpg?v=1776418608 Estradiol Valerate EP Impurity F | 18069-79-9 Estradiol Valerate EP Impurity F|C4X-28425|18069-79-9 https://www.jk-sci.com/products/s57c4x-28619 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456721_586b5d6b-0f2e-4902-9b76-e59140a240fa.png?v=1774715199 Oryzanol A (Cycloartenyl Ferulate) | 21238-33-5 Oryzanol A (Cycloartenyl Ferulate)|C4X-28619|21238-33-5 https://www.jk-sci.com/products/s57c4x-28571 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312f7032580f03a1a0c0d9c975248882.jpg?v=1776418644 Omacycline 4-Beta isomer | 601455-29-2 Omacycline 4-Beta isomer|C4X-28571|601455-29-2 https://www.jk-sci.com/products/s57c4x-284819 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146079_b67ff204-b636-4c9c-bb71-940421e14549.png?v=1775052971 Nabumetone Impurity 19 | 3453-33-6 Nabumetone Impurity 19|C4X-284819|3453-33-6 https://www.jk-sci.com/products/s57c4x-28484 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-2880144 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37984544-1386-4d3c-9d22-80ddcbe7b446.png?v=1775135676 Finerenone Impurity 144 Finerenone Impurity 144|C4X-2880144 https://www.jk-sci.com/products/s57c4x-28803 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327851 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf920ce6d6b56b8dd0dacebc8fa9ddc5.jpg?v=1776356723 5-Methyl-4-oxo-3-(2,4-pentadien-1-yl)-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cycl | 8003-34-7 5-Methyl-4-oxo-3-(2,4-pentadien-1-yl)-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cycl|27851|8003-34-7 https://www.jk-sci.com/products/s57c3d-5403 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/217164_f81028ad-2141-4aa8-9bea-17b89622695e.png?v=1774904287 n-Dodecyl β-D-Maltoside | 69227-93-6 n-Dodecyl β-D-Maltoside|C3D-5403|69227-93-6 https://www.jk-sci.com/products/j5327859 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03da908d7fa7d2f038c4e71aa32aaa1a.jpg?v=1776356736 2-Bromo-5-iodobenzoic acid | 25252-00-0 2-Bromo-5-iodobenzoic acid|27859|25252-00-0 https://www.jk-sci.com/products/s57c4x-100317 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de5cc6517064b2e8b66a5f97b4cbe7b7.jpg?v=1776404146 Azithromycin EP Impurity G | 612069-31-5 Azithromycin EP Impurity G|C4X-100317|612069-31-5 https://www.jk-sci.com/products/s57c4x-28806 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93d397a709373aeb3a018ce59bd875c9.jpg?v=1776418718 Finerenone Impurity 6 | 2640280-83-5 Finerenone Impurity 6|C4X-28806|2640280-83-5 https://www.jk-sci.com/products/s57c4x-288043 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4974dcb-f855-4bc4-b129-d9e160947330.png?v=1774669977 Finerenone Impurity 43 Finerenone Impurity 43|C4X-288043 https://www.jk-sci.com/products/s57c4x-28808 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aee0dddd-3340-4850-aad3-38c6d2b2355c.png?v=1774644794 N-Nitroso Finerenone N-Nitroso Finerenone|C4X-28808 https://www.jk-sci.com/products/s57c4x-28871 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7840bed3f34436c6c567f5fff6b49652.jpg?v=1776418730 Lufenuron EP Impurity B | 2767988-84-9 Lufenuron EP Impurity B|C4X-28871|2767988-84-9 https://www.jk-sci.com/products/s57c4x-289027 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df4fc7d4-a6dd-4874-bff1-252a2932d5e1.png?v=1774891825 ethyl (5E,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate ethyl (5E,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate|C4X-289027 https://www.jk-sci.com/products/s57c4x-28812 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-289012 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1872e224-bd54-4e81-84bf-9e5a17c5a9ba.png?v=1774904749 (5Z,8E,11E,14Z,17Z)-5,8,11,14,17-Ethyl Eicosapentaenoate (5Z,8E,11E,14Z,17Z)-5,8,11,14,17-Ethyl Eicosapentaenoate|C4X-289012 https://www.jk-sci.com/products/s57c4x-101724 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc5cc92c9a51778eac371f0646798d33.jpg?v=1776404435 Vardenafil Impurity 24 | 910554-77-7 Vardenafil Impurity 24|C4X-101724|910554-77-7 https://www.jk-sci.com/products/s57c4x-28905 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25ff26c21272fda68ba14fac9c31ca98.jpg?v=1776418742 ethyl (7Z,10Z,13Z,16Z)-icosa-7,10,13,16,19-pentaenoate | 2447131-66-8 ethyl (7Z,10Z,13Z,16Z)-icosa-7,10,13,16,19-pentaenoate|C4X-28905|2447131-66-8 https://www.jk-sci.com/products/s57c4x-28909 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-289611 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588bfbfc96e638cc2db9310219e1da35.jpg?v=1776418760 Vericiguat Impurity 11 | 1350653-29-0 Vericiguat Impurity 11|C4X-289611|1350653-29-0 https://www.jk-sci.com/products/s57c4x-102860 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb75e3f011e7bd24102434052822b90c.jpg?v=1776404722 Lurasidone Impurity 60 | 1807983-61-4 Lurasidone Impurity 60|C4X-102860|1807983-61-4 https://www.jk-sci.com/products/s57c4x-10294 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44108d8bb2fdf1f38c79d19db33049ac.jpg?v=1776404761 Clopidogrel EP impurity D | 1421283-60-4 Clopidogrel EP impurity D|C4X-10294|1421283-60-4 https://www.jk-sci.com/products/s57c4x-10449 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/523684.png?v=1774902766 Mosapride Impurity 9 | 108282-38-8 Mosapride Impurity 9|C4X-10449|108282-38-8 https://www.jk-sci.com/products/s57c4x-1084 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/507662.png?v=1774902791 Roflumilast | 162401-32-3 Roflumilast|C4X-1084|162401-32-3 https://www.jk-sci.com/products/s57c4x-290211 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5751e3ca-9c6f-43df-b0b2-7e3935a80fd3.png?v=1774726175 Ozanimod Impurity 11 Ozanimod Impurity 11|C4X-290211 https://www.jk-sci.com/products/s57c4x-28964 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0c2f885e-ca57-4a82-8d16-11511a028cb4.png?v=1774668067 Vericiguat Impurity 4 Vericiguat Impurity 4|C4X-28964 https://www.jk-sci.com/products/s57c4x-29027 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c232e8dc-cf06-4acc-969d-9053c01c0681.png?v=1775061083 Ozanimod Impurity 27 Ozanimod Impurity 27|C4X-29027 https://www.jk-sci.com/products/s57c4x-29030 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d581f192-5ef0-426e-a425-d520d53be90d.png?v=1774666067 Ozanimod Impurity 30 Ozanimod Impurity 30|C4X-29030 https://www.jk-sci.com/products/s57c4x-290317 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_237f616c-040a-4ef0-92e6-941cb1df2178.png?v=1774741542 Pemafibrate Impurity 17 Pemafibrate Impurity 17|C4X-290317 https://www.jk-sci.com/products/s57c4x-290353 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c5ad48ab-5987-416a-be55-6ac35c8c77ee.png?v=1774884953 Pemafibrate Impurity 53 Pemafibrate Impurity 53|C4X-290353 https://www.jk-sci.com/products/s57c4x-29127 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4868e3f1625c1b869df6a5520d34c68a.jpg?v=1776418784 Resmetirom | 920509-32-6 Resmetirom|C4X-29127|920509-32-6 https://www.jk-sci.com/products/s57c4x-2908 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/498655_9bf15114-eef7-450e-8fcf-8ffcd248bb96.png?v=1774669990 Cinitapride Hydrogen Tartrate Cinitapride Hydrogen Tartrate|C4X-2908 https://www.jk-sci.com/products/s57c4x-1087133 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3683e884a672157f1f5ae10a4a27be15.jpg?v=1776406435 Tadalafil Impurity 133 | 171596-44-4 Tadalafil Impurity 133|C4X-1087133|171596-44-4 https://www.jk-sci.com/products/s57c4x-291510 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7698a0e0-3fe5-46a8-93eb-32f61df7a445.png?v=1775070600 Letermovir Impurity 10 Letermovir Impurity 10|C4X-291510 https://www.jk-sci.com/products/s57c4x-291531 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_56430725-b13d-4303-862d-66564d225ee1.png?v=1774671879 Letermovir Impurity 31 Letermovir Impurity 31|C4X-291531 https://www.jk-sci.com/products/s57c4x-109594 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8fa7a44d-77a7-4517-a445-90a34a3e10ea.png?v=1774904365 Amlodipine Impurity 94 Oxalate Amlodipine Impurity 94 Oxalate|C4X-109594 https://www.jk-sci.com/products/s57c4x-291546 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_53057fc9-b8a2-4bd6-b65d-509cf70ae033.png?v=1774884959 Letermovir Ethyl Ester Di-p-toluoyl-D-tartaric acid salt Letermovir Ethyl Ester Di-p-toluoyl-D-tartaric acid salt|C4X-291546 https://www.jk-sci.com/products/s57c4x-110126 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7854e2c1-b80b-4588-bcfe-5fd95f56f63e.png?v=1774902832 Linagliptin Impurity 26 Linagliptin Impurity 26|C4X-110126 https://www.jk-sci.com/products/s57c4x-29201 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fe05402b4e41eaa1e91cf6074dacccc.jpg?v=1776418800 Probucol Impurity 1 | 950-59-4 Probucol Impurity 1|C4X-29201|950-59-4 https://www.jk-sci.com/products/s57c4x-29221 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10f566a7bb94caec93e6d5179b296b77.jpg?v=1776418803 6-Formyluracil | 1052405-08-9 6-Formyluracil|C4X-29221|1052405-08-9 https://www.jk-sci.com/products/s57c4x-11095 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecda4d65f6ce995d883f01bdabe74ff8.jpg?v=1776407350 Citalopram EP Impurity B (Escitalopram EP Impurity B ) | 411221-53-9 Citalopram EP Impurity B (Escitalopram EP Impurity B )|C4X-11095|411221-53-9 https://www.jk-sci.com/products/s57c4x-12987 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34c6f19a86f4897299d3c0d15f59096e.jpg?v=1776410078 Dobutamine Impurity 7 | 126521-63-9 Dobutamine Impurity 7|C4X-12987|126521-63-9 https://www.jk-sci.com/products/s57c4x-292411 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e36d19dd-54ab-4b01-b3c5-92aceac87e0e.png?v=1774662252 Mirogabalin Impurity 11 Mirogabalin Impurity 11|C4X-292411 https://www.jk-sci.com/products/s57c4x-13304 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fd99f770fd6ce648fa7d7854d17c175.jpg?v=1776410301 Caffeine EP Impurity E | 20041-90-1 Caffeine EP Impurity E|C4X-13304|20041-90-1 https://www.jk-sci.com/products/s57c4x-292429 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c78845a2-09ae-4ad4-a2a2-86078385727a.png?v=1774642620 Mirogabalin Impurity 29 Mirogabalin Impurity 29|C4X-292429 https://www.jk-sci.com/products/s57c4x-136224 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17fd913d49327b026b6574fde44eca61.jpg?v=1776410775 Ciprofloxacin Impurity 24 HCl | 526204-10-4 Ciprofloxacin Impurity 24 HCl|C4X-136224|526204-10-4 https://www.jk-sci.com/products/s57c4x-292439 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e1b1cae9-d530-4616-8565-deb72aa2fb91.png?v=1774882453 Mirogabalin Impurity 39 Mirogabalin Impurity 39|C4X-292439 https://www.jk-sci.com/products/s57c4x-139524 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/387398.png?v=1774902995 7,8-Dihydro-L-biopterin | 6779-87-9 7,8-Dihydro-L-biopterin|C4X-139524|6779-87-9 https://www.jk-sci.com/products/s57c4x-292442 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1365bdd4d8cabfa979cde8aede3c6a28.jpg?v=1776418812 Mirogabalin Impurity 42 | 1138245-50-7 Mirogabalin Impurity 42|C4X-292442|1138245-50-7 https://www.jk-sci.com/products/s57c4x-292454 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a2d7e5b27ff3d477aebd39826c9cc8c.jpg?v=1776418814 Mirogabalin Impurity 54 | 3003799-01-4 Mirogabalin Impurity 54|C4X-292454|3003799-01-4 https://www.jk-sci.com/products/s57c4x-292463 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f649062f9f529922189f7720d394270.jpg?v=1776418817 Mirogabalin Impurity 63 | 1644251-70-6 Mirogabalin Impurity 63|C4X-292463|1644251-70-6 https://www.jk-sci.com/products/s57c1310803 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b69c580de6f03060e3cd066864101b93.jpg?v=1776401696 1-(3-Chloropropyl)piperidine | 1458-63-5 1-(3-Chloropropyl)piperidine|C1310803|1458-63-5 https://www.jk-sci.com/products/s57c1311075 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6463762fe8af72df2ccd8d4dc7bcd5d.jpg?v=1776401703 Miglitol Impurity N1 | 1459288-93-7 Miglitol Impurity N1|C1311075|1459288-93-7 https://www.jk-sci.com/products/s57c4x-292459 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7dd60f1b-3939-4f5f-9b2c-eb699668638b.png?v=1774640902 Mirogabalin Impurity 59 (S)-Almond Acid Salt Mirogabalin Impurity 59 (S)-Almond Acid Salt|C4X-292459 https://www.jk-sci.com/products/j5327864 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7aceba79720f75c52be6a61269b06f9b.jpg?v=1776356754 5-Bromothiophene-2-carboxylic acid | 7311-63-9 5-Bromothiophene-2-carboxylic acid|27864|7311-63-9 https://www.jk-sci.com/products/s57c4x-292468 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_61b1ec71-87ac-466d-9da3-80257ba2a6fd.png?v=1774893001 Mirogabalin impurity 68 Mirogabalin impurity 68|C4X-292468 https://www.jk-sci.com/products/s57c4x-292492 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d1518d3c-039b-4863-98ae-2b0571849b22.png?v=1774727929 Mirogabalin Impurity 92 Mirogabalin Impurity 92|C4X-292492 https://www.jk-sci.com/products/s57c4x-29305 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c1376667 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/540843.png?v=1774904219 3-Chlorothiophene | 17249-80-8 3-Chlorothiophene|C1376667|17249-80-8 https://www.jk-sci.com/products/s57c4x-29309 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a7d5965e-054c-4d73-b4c3-b628d80881f4.png?v=1775072986 Sulindac Impurity 9 Sulindac Impurity 9|C4X-29309 https://www.jk-sci.com/products/s57c4x-29361 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/507856_d4bfae41-fb86-4f35-8144-fe93e7e0ded7.png?v=1774669995 2-(2-Nitrophenyl)acetonitrile | 610-66-2 2-(2-Nitrophenyl)acetonitrile|C4X-29361|610-66-2 https://www.jk-sci.com/products/s57c4x-2937 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef6a5a30435263f77580e4e5742e8be9.jpg?v=1776418827 Abemaciclib | 1231929-97-7 Abemaciclib|C4X-2937|1231929-97-7 https://www.jk-sci.com/products/s57c1469544 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b86398a59a6dd9eb3d1e6bb361c154d.jpg?v=1776401960 (2S,3R)-Methyl 2-amino-3-(tert-butoxy)butanoate | 24205-25-2 (2S,3R)-Methyl 2-amino-3-(tert-butoxy)butanoate|C1469544|24205-25-2 https://www.jk-sci.com/products/s57c4x-293713 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf1070cac4f9d0bf8bee9665c41ec0d5.jpg?v=1776418832 Abemaciclib Impurity 13 | 1648707-16-7 Abemaciclib Impurity 13|C4X-293713|1648707-16-7 https://www.jk-sci.com/products/j5327868 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25dc2544eca8ea5c8d633e48d60047b2.jpg?v=1776356769 Fmoc-Asu(OtBu)-OH | 276869-41-1 Fmoc-Asu(OtBu)-OH|27868|276869-41-1 https://www.jk-sci.com/products/s57c4x-293715 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b845e2b-41d9-40d5-9798-dbb7e8b5951c.png?v=1774904752 Abemaciclib Impurity 15 Formate Abemaciclib Impurity 15 Formate|C4X-293715 https://www.jk-sci.com/products/s57c4x-293718 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-293721 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b73323fc-7b81-4129-995a-126053f65c08.png?v=1774719253 Abemaciclib Impurity 21 Abemaciclib Impurity 21|C4X-293721 https://www.jk-sci.com/products/s57c4x-294915 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c1602879 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/515196.png?v=1774904229 2,6-Difluorobenzenesulfonyl chloride | 60230-36-6 2,6-Difluorobenzenesulfonyl chloride|C1602879|60230-36-6 https://www.jk-sci.com/products/s57c1618716 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67b39887a89f36382300e20d219538a6.jpg?v=1776402301 2-Bromo-n-propylacetamide | 5395-67-5 2-Bromo-n-propylacetamide|C1618716|5395-67-5 https://www.jk-sci.com/products/j5327875 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5545465598f1e52526027c16a026ec.jpg?v=1776356789 3-Bromophenacyl bromide | 18523-22-3 3-Bromophenacyl bromide|27875|18523-22-3 https://www.jk-sci.com/products/s57c1622921 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82902797c0b19083f078b5909cd8917a.jpg?v=1776402314 2-Chloro-6-nitroanisole | 80866-77-9 2-Chloro-6-nitroanisole|C1622921|80866-77-9 https://www.jk-sci.com/products/s57c4x-29373 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eadff7f0-5837-4455-99bc-372469d9103e.png?v=1774639245 Abemaciclib Impurity 3 Abemaciclib Impurity 3|C4X-29373 https://www.jk-sci.com/products/s57c1672709 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3aebaad207646b7ee879740d0213d3e.jpg?v=1776402393 3-Bromo-N-phenylaniline | 88280-58-4 3-Bromo-N-phenylaniline|C1672709|88280-58-4 https://www.jk-sci.com/products/s57c4x-293782 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_44fd496d-7e75-43ab-990c-b18c206da9d2.png?v=1774900902 Abemaciclib Impurity 82 Abemaciclib Impurity 82|C4X-293782 https://www.jk-sci.com/products/s57c4x-293742 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c75432acd466c6f9f5089cd218c7ef86.jpg?v=1776418838 Abemaciclib Impurity 42 | 1231930-57-6 Abemaciclib Impurity 42|C4X-293742|1231930-57-6 https://www.jk-sci.com/products/s57c4x-29446 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b9d3c59-e52f-41d5-bb0c-b8190b63e44f.png?v=1774639249 Polidocanol Impurity 6 Polidocanol Impurity 6|C4X-29446 https://www.jk-sci.com/products/s57c4x-29473 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24ffe54eb09d0cf903eac4ae35f95dab.jpg?v=1776418844 Lactitol Impurity 3 | 96130-71-1 Lactitol Impurity 3|C4X-29473|96130-71-1 https://www.jk-sci.com/products/s57c1830194 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d48b0b2a4b2eac72509eb656f044ee0.jpg?v=1776402903 N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine | 90663-73-3 N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine|C1830194|90663-73-3 https://www.jk-sci.com/products/j5327889 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abb676c84d7468215b5fec9cc801b18e.jpg?v=1776356820 3-Chloro-4-nitroaniline | 825-41-2 3-Chloro-4-nitroaniline|27889|825-41-2 https://www.jk-sci.com/products/s57c4x-29511 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b3ab58a15e66943bb6775eb7bb6e38c.jpg?v=1776418851 Probenecid EP Impurity A | 636-78-2 Probenecid EP Impurity A|C4X-29511|636-78-2 https://www.jk-sci.com/products/s57c4x-29612 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c1910139 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/324930_5c57bd7b-6cf0-4b88-9b13-b1236ca895c8.png?v=1774904237 Trifluoromethanesulfonic anhydride | 358-23-6 Trifluoromethanesulfonic anhydride|C1910139|358-23-6 https://www.jk-sci.com/products/s57c4x-297810 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7c470db54cdffa2f3701c46872f2d86.jpg?v=1776418853 Pyronaridine Impurity 10 | 6626-40-0 Pyronaridine Impurity 10|C4X-297810|6626-40-0 https://www.jk-sci.com/products/j5326948 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5679282f59230365db6857f04bd22235.jpg?v=1776354444 Thiophene-3-carboxylic acid | 88-13-1 Thiophene-3-carboxylic acid|26948|88-13-1 https://www.jk-sci.com/products/j5326759 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68841630ca5b74fd6eb903363eb423a5.jpg?v=1776353852 4-Chlorophenacyl bromide | 536-38-9 4-Chlorophenacyl bromide|26759|536-38-9 https://www.jk-sci.com/products/s57c4x-29789 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/334575_56995c1b-b0dc-4552-84ae-56f893ba88a7.png?v=1774721345 5-Amino-2-methoxypyridine | 6628-77-9 5-Amino-2-methoxypyridine|C4X-29789|6628-77-9 https://www.jk-sci.com/products/s57c4x-2988 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df4438b5598511da7a52e100a3c4df6b.jpg?v=1776418856 Belumosudil Mesylate | 2109704-99-4 Belumosudil Mesylate|C4X-2988|2109704-99-4 https://www.jk-sci.com/products/s57c4x-29921 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/346832_be3c44a7-93c8-453c-a5a7-ea3bef4c85d2.png?v=1774903242 2-Amino-4-chlorobenzoic acid | 89-77-0 2-Amino-4-chlorobenzoic acid|C4X-29921|89-77-0 https://www.jk-sci.com/products/s57c4x-298830 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a794a50d-4a5c-42a8-9054-29b76c9d1c91.png?v=1774972091 Belumosudil Impurity 30 Belumosudil Impurity 30|C4X-298830 https://www.jk-sci.com/products/j5327120 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7a52557b3da078cfa4e4c5d37a7ad35.jpg?v=1776354952 2-Hydroxyethanesulfonic acid sodium salt | 1562-00-1 2-Hydroxyethanesulfonic acid sodium salt|27120|1562-00-1 https://www.jk-sci.com/products/s57c1916488 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c23519ffc51f0077e3873a936a49fc7b.jpg?v=1776403222 tert-Butylsulfinyl Chloride | 31562-43-3 tert-Butylsulfinyl Chloride|C1916488|31562-43-3 https://www.jk-sci.com/products/j5327186 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a35ed8bbb4345050e027a778469a1619.jpg?v=1776355152 N-Methylacetamide | 79-16-3 N-Methylacetamide|27186|79-16-3 https://www.jk-sci.com/products/j5327248 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec5031727ff846b48b5372b5e6c272ea.jpg?v=1776355323 2,3,4,6-Tetra-O-benzoyl- a-D-glucopyranosyl bromide | 14218-11-2 2,3,4,6-Tetra-O-benzoyl- a-D-glucopyranosyl bromide|27248|14218-11-2 https://www.jk-sci.com/products/s57c4x-29922 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327395 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1e5768c3cd1f0c1a404f5ac5d903cf1.jpg?v=1776355642 1-Nitro-1H-pyrazole | 7119-95-1 1-Nitro-1H-pyrazole|27395|7119-95-1 https://www.jk-sci.com/products/s57c4x-29924 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344a8516bd00a266989624115ad9cc58_061909da-acc1-4f2c-a790-92d770d885d0.jpg?v=1776418865 Mefatinib Impurity 4 | 1012057-47-4 Mefatinib Impurity 4|C4X-29924|1012057-47-4 https://www.jk-sci.com/products/j5327365 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a3841472f01079751a952d9e7808bce9.jpg?v=1776355546 1-Iodo-4-isopropylbenzene | 17356-09-1 1-Iodo-4-isopropylbenzene|27365|17356-09-1 https://www.jk-sci.com/products/s57c4x-29961 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/109b20d20e1e0f1c7608ffb6c9dc9135.jpg?v=1776418874 Pentaerythritol Dipropionate | 103839-42-5 Pentaerythritol Dipropionate|C4X-29961|103839-42-5 https://www.jk-sci.com/products/s57c1930011 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b78167cd37e631329683409cdc583027.jpg?v=1776403276 Baloxavir Impurity C19 | 1985606-48-1 Baloxavir Impurity C19|C1930011|1985606-48-1 https://www.jk-sci.com/products/s57c3d-2566 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_104f1b7f-2e22-45ca-bc62-49030219f072.png?v=1774962177 (S)-2,5-diamino-N-((S)-4,5-diamino-5-oxopentyl)pentanamide XTFA (S)-2,5-diamino-N-((S)-4,5-diamino-5-oxopentyl)pentanamide XTFA|C3D-2566 https://www.jk-sci.com/products/s57c4x-29926 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8348a106e44e02495518e06991386b7d.jpg?v=1776418867 Mefatinib Impurity 6 | 1417695-76-1 Mefatinib Impurity 6|C4X-29926|1417695-76-1 https://www.jk-sci.com/products/s57c3d-3550 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/153860.png?v=1774904265 1,2-Distearoyl-sn-glycero-3-phosphoethanolamine | 1069-79-0 1,2-Distearoyl-sn-glycero-3-phosphoethanolamine|C3D-3550|1069-79-0 https://www.jk-sci.com/products/s57c4x-29965 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327c6b99ad6b3f60a5e92e726719e273.jpg?v=1776418879 Acrylic Acid Impurity 5 Sodium Salt | 142047-97-0 Acrylic Acid Impurity 5 Sodium Salt|C4X-29965|142047-97-0 https://www.jk-sci.com/products/s57c3d-3629 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/322088.png?v=1774904270 (S)-Epichlorohydrin | 67843-74-7 (S)-Epichlorohydrin|C3D-3629|67843-74-7 https://www.jk-sci.com/products/j5327440 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/923fe96ebe4fc04f7474428c77de37a1.jpg?v=1776355786 3,4,5-Trimethoxybenzamide | 3086-62-2 3,4,5-Trimethoxybenzamide|27440|3086-62-2 https://www.jk-sci.com/products/s57c4x-30004 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd22240743e9bf2beb239f27e9e64dbe.jpg?v=1776418883 Gliquidone Impurity 4 | 191988-38-2 Gliquidone Impurity 4|C4X-30004|191988-38-2 https://www.jk-sci.com/products/s57c4x-30074 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45911c108063404895c1a29e3432b6ad.jpg?v=1776418888 Maribavir Impurity 4 | 176161-52-7 Maribavir Impurity 4|C4X-30074|176161-52-7 https://www.jk-sci.com/products/s57c3d-5665 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87399359ebdbb2caaa1ad22185137fe7.jpg?v=1776403885 (S)-3-Amino-piperidine-2-one Hydrochloride | 42538-31-8 (S)-3-Amino-piperidine-2-one Hydrochloride|C3D-5665|42538-31-8 https://www.jk-sci.com/products/j5327422 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f5bed8cb1d5b8c4b4736ea0ddc2c193.jpg?v=1776355728 2,5-Dibromo-1,3-thiazole | 4175-78-4 2,5-Dibromo-1,3-thiazole|27422|4175-78-4 https://www.jk-sci.com/products/s57c4x-30111 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327485 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf2837161ae201d21f849ef8b6271e30.jpg?v=1776355891 3-Pyridyl ethyl ketone | 1570-48-5 3-Pyridyl ethyl ketone|27485|1570-48-5 https://www.jk-sci.com/products/j5327519 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9336c59779c426478db753abdfd644d.jpg?v=1776355974 2,6-Diamino-3-(phenylazo)pyridine hydrochloride | 136-40-3 2,6-Diamino-3-(phenylazo)pyridine hydrochloride|27519|136-40-3 https://www.jk-sci.com/products/j5327563 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b208a6be2375d599f00d7a2db6ff735.jpg?v=1776356087 2,6-Lutidine N-oxide | 1073-23-0 2,6-Lutidine N-oxide|27563|1073-23-0 https://www.jk-sci.com/products/s57c4x-301116 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_de1d4258-7b6e-4405-8cf4-dd9c309927a0.png?v=1774669066 Ertugliflozin impurity 16 Ertugliflozin impurity 16|C4X-301116 https://www.jk-sci.com/products/s57c4x-30112 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-301126 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a95c6c40-b4b0-453a-9514-9a7c0a1e18bd.png?v=1774665028 Ertugliflozin impurity 26 Ertugliflozin impurity 26|C4X-301126 https://www.jk-sci.com/products/s57c4x-301130 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f822787ee3a7eefe253acdc16d306ffd.jpg?v=1776418897 Ertugliflozin impurity 30 | 1298086-18-6 Ertugliflozin impurity 30|C4X-301130|1298086-18-6 https://www.jk-sci.com/products/s57c3d-5686 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258560.png?v=1774962207 3-Chlorobenzoyl Chloride | 618-46-2 3-Chlorobenzoyl Chloride|C3D-5686|618-46-2 https://www.jk-sci.com/products/s57c4x-301132 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-30114 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1054bbadfa4942e5183e3064b215c573.jpg?v=1776418900 Ertugliflozin impurity 4 | 1528636-22-7 Ertugliflozin impurity 4|C4X-30114|1528636-22-7 https://www.jk-sci.com/products/s57c4x-301813 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66b27e61-2d17-45bb-bdaf-c0688e8d4eab.png?v=1774669070 Oclacitinib impurity 13 Oclacitinib impurity 13|C4X-301813 https://www.jk-sci.com/products/s57c4x-30119 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46818e7c7d45c5720a67d4c46c81244e.jpg?v=1776418903 Ertugliflozin impurity 9 | 1528636-45-4 Ertugliflozin impurity 9|C4X-30119|1528636-45-4 https://www.jk-sci.com/products/s57c4x-101117 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a16a4608db5a864f4ce1669e2e2f3eb.jpg?v=1776404372 Oxiracetam Impurity 17 | 25747-41-5 Oxiracetam Impurity 17|C4X-101117|25747-41-5 https://www.jk-sci.com/products/s57c4x-3032 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_794c30ca-ac09-4c53-8938-42340e38bd48.png?v=1775133645 Janagliflozin Proline Janagliflozin Proline|C4X-3032 https://www.jk-sci.com/products/s57c4x-103226 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538344_d770ff01-bc16-46a4-82d7-923c7d23c4ec.png?v=1774904322 Mirabegron Impurity 26 | 1603-91-4 Mirabegron Impurity 26|C4X-103226|1603-91-4 https://www.jk-sci.com/products/s57c4x-30241 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/67ad7e64e39fc54a6ed8bdad5d427f17.jpg?v=1776418914 Pemigatinib | 1513857-77-6 Pemigatinib|C4X-30241|1513857-77-6 https://www.jk-sci.com/products/s57c4x-106863 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/442190_57e236a1-e96c-40dc-ad96-2f1ef7667834.png?v=1774904345 Imatinib Impurity 63 | 99-94-5 Imatinib Impurity 63|C4X-106863|99-94-5 https://www.jk-sci.com/products/s57c4x-107314 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142081_8ed60550-896f-4f76-98df-485c544afe3f.png?v=1774962266 Linezolid Impurity 14 | 1445-69-8 Linezolid Impurity 14|C4X-107314|1445-69-8 https://www.jk-sci.com/products/j5327602 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e409d0de5505835c60b48aeff21ee7a.jpg?v=1776356182 5-Chlorothiophene-2-carboxylic acid | 24065-33-6 5-Chlorothiophene-2-carboxylic acid|27602|24065-33-6 https://www.jk-sci.com/products/s57c4x-108015 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a9d15ac8c8236b5baa7bbc54ba7bb63.jpg?v=1776406179 Etoricoxib Impurity 15 | 307531-96-0 Etoricoxib Impurity 15|C4X-108015|307531-96-0 https://www.jk-sci.com/products/s57c4x-30331 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b34984b510603c2dc6e521d966facbe.jpg?v=1776418923 Dabrafenib Impurity 1 | 2017554-98-0 Dabrafenib Impurity 1|C4X-30331|2017554-98-0 https://www.jk-sci.com/products/s57c4x-12036 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f67fb59fd2d18808f1162eac4abbcb9c.jpg?v=1776409158 Bupropion USP Related Compound F | 857233-13-7 Bupropion USP Related Compound F|C4X-12036|857233-13-7 https://www.jk-sci.com/products/s57c4x-1254112 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500741.png?v=1774904462 Tirofiban Impurity 112 | 504-63-2 Tirofiban Impurity 112|C4X-1254112|504-63-2 https://www.jk-sci.com/products/s57c4x-303319 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5753a0619f5b636ea8c4753be2aa9821.jpg?v=1776418926 Dabrafenib Impurity 19 | 1907654-22-1 Dabrafenib Impurity 19|C4X-303319|1907654-22-1 https://www.jk-sci.com/products/s57c4x-13582 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41ec678989233444ddd5805a880473e5.jpg?v=1776410707 Cefditoren Impurity 2 | 138514-32-6 Cefditoren Impurity 2|C4X-13582|138514-32-6 https://www.jk-sci.com/products/s57c4x-1388 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469240_3866cc37-fcbe-4bf6-9d44-2e44f113b699.png?v=1774962455 Azacitidine | 320-67-2 Azacitidine|C4X-1388|320-67-2 https://www.jk-sci.com/products/s57c4x-13929 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7c5e565450698ce960c4f2f08c26692.jpg?v=1776411186 Famotidine EP Impurity I | 1020719-36-1 Famotidine EP Impurity I|C4X-13929|1020719-36-1 https://www.jk-sci.com/products/j5327657 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e350c2750a346149367dd96c4604bbf.jpg?v=1776356313 2-(3-Iodophenyl)acetic acid | 1878-69-9 2-(3-Iodophenyl)acetic acid|27657|1878-69-9 https://www.jk-sci.com/products/s57c4x-303323 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327613 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2312a046b920cc83775c1d41b995fa30.jpg?v=1776356212 5-Trifluoromethyl-2-chloropyridine | 52334-81-3 5-Trifluoromethyl-2-chloropyridine|27613|52334-81-3 https://www.jk-sci.com/products/j5327626 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91346f9693e3c21e8fdaf31a80181dc7.jpg?v=1776356238 Potassium hexachloropalladate(IV) | 16919-73-6 Potassium hexachloropalladate(IV)|27626|16919-73-6 https://www.jk-sci.com/products/s57c4x-30335 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f7f1fd5e-e016-4e37-991a-12be20eb7d5b.png?v=1774896861 Dabrafenib Impurity 5 Dabrafenib Impurity 5|C4X-30335 https://www.jk-sci.com/products/j5327735 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b1c003252fe8c793a489be3ae897c79.jpg?v=1784619778 (E)-5-(2-Bromovinyl)-2'-deoxyuridine | 69304-47-8 (E)-5-(2-Bromovinyl)-2'-deoxyuridine|27735|69304-47-8 https://www.jk-sci.com/products/j5327694 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8030a6cdb0dc5a62ca5c3afec3f0bf1d.jpg?v=1776356391 2-Amino-3-bromo-5-methylbenzoic acid | 13091-43-5 2-Amino-3-bromo-5-methylbenzoic acid|27694|13091-43-5 https://www.jk-sci.com/products/s57c4x-14254 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/510852.png?v=1774962474 Amiodarone EP Impurity D | 1951-26-4 Amiodarone EP Impurity D|C4X-14254|1951-26-4 https://www.jk-sci.com/products/s57c4x-304114 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13853ef8-b352-4678-a162-ec54a72d410b.png?v=1774717804 Difelikefalin Impurity 14 Difelikefalin Impurity 14|C4X-304114 https://www.jk-sci.com/products/s57c1354564 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380358.png?v=1774962143 4-(Difluoromethoxy)-3-methoxybenzoic acid | 162401-59-4 4-(Difluoromethoxy)-3-methoxybenzoic acid|C1354564|162401-59-4 https://www.jk-sci.com/products/s57c4x-30357 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5f393257-9595-4fd8-8e10-08aac52bce97.png?v=1775063378 Cefovecin impurity 7 Cefovecin impurity 7|C4X-30357 https://www.jk-sci.com/products/s57c1715185 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f181f0a1432237ee34838e630059a868.jpg?v=1776402473 4-Bromo-2-methylbut-1-ene | 20038-12-4 4-Bromo-2-methylbut-1-ene|C1715185|20038-12-4 https://www.jk-sci.com/products/s57c1721631 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80f530c782b498f19aa9a245336c7b75.jpg?v=1776402489 4-Chloropyridine-2-Sulfonamide | 57724-91-1 4-Chloropyridine-2-Sulfonamide|C1721631|57724-91-1 https://www.jk-sci.com/products/s57c1790152 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4b8e76cb-a362-426d-86a0-411d9fa9818e.png?v=1774965177 Atracurium Impurity 5 (Tartrate) Atracurium Impurity 5 (Tartrate)|C1790152 https://www.jk-sci.com/products/s57c4x-304125 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52ed784c-3a10-495e-a595-31d50895b64e.png?v=1774972095 Difelikefalin Impurity 25 Trifluoroacetic acid Difelikefalin Impurity 25 Trifluoroacetic acid|C4X-304125 https://www.jk-sci.com/products/s57c3d-25929 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/538724_89c5ed59-2be6-4c08-aad4-abd0c0e9e851.png?v=1774965211 4-(Bromomethyl)-3-methoxybenzonitrile | 104436-60-4 4-(Bromomethyl)-3-methoxybenzonitrile|C3D-25929|104436-60-4 https://www.jk-sci.com/products/s57c3d-26023 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/502553_c631710d-f0da-403a-8b57-7860e07e88a6.png?v=1774962188 Methyl 4-aminobutyrate hydrochloride | 13031-60-2 Methyl 4-aminobutyrate hydrochloride|C3D-26023|13031-60-2 https://www.jk-sci.com/products/s57c3d-3238 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/594443.png?v=1774962195 L-aspartic Acid Potasium Salt | 1115-63-5 L-aspartic Acid Potasium Salt|C3D-3238|1115-63-5 https://www.jk-sci.com/products/s57c3d-5908 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7f424571535e56c5d2fc0298ff0def9.jpg?v=1776403945 8(Z),11(Z),14(Z),17(Z)-Octadecatetraenoic Acid Ethyl Ester | 2580285-53-4 8(Z),11(Z),14(Z),17(Z)-Octadecatetraenoic Acid Ethyl Ester|C3D-5908|2580285-53-4 https://www.jk-sci.com/products/j5327760 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b72c37ca2633a80a63bec4fe5b46db45.jpg?v=1776356558 3-O-Methyl-a-D-glucopyranose | 13224-94-7 3-O-Methyl-a-D-glucopyranose|27760|13224-94-7 https://www.jk-sci.com/products/s57c4x-304146 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-304150 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_47739320-dca8-4ccb-b080-9a1bb50206ff.png?v=1774670996 Difelikefalin Impurity 50 Difelikefalin Impurity 50|C4X-304150 https://www.jk-sci.com/products/s57c4x-304211 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ef7e5e18-a81b-4ef1-b4a0-0c40159539c6.png?v=1774642633 Lemborexant impurity 11 Lemborexant impurity 11|C4X-304211 https://www.jk-sci.com/products/s57c4x-304214 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6a34d11e-5503-422c-a3e8-b12424674a51.png?v=1774646667 Lemborexant impurity 14 Lemborexant impurity 14|C4X-304214 https://www.jk-sci.com/products/s57c4x-304220 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_74f0b24f-d085-4cf5-8b4e-3284ab055a65.png?v=1774736728 Lemborexant Impurity 19 Lemborexant Impurity 19|C4X-304220 https://www.jk-sci.com/products/s57c4x-100858 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd40bfa58e0a0d18611130d9f4e24830.jpg?v=1776404268 Aripiprazole Impurity 58 | 1424857-63-5 Aripiprazole Impurity 58|C4X-100858|1424857-63-5 https://www.jk-sci.com/products/s57c4x-101640 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5de1e1bb-c51b-448d-b858-6fd18fef0fe3.png?v=1774962234 Enzalutamide Impurity 40 | 3079438-61-9 Enzalutamide Impurity 40|C4X-101640|3079438-61-9 https://www.jk-sci.com/products/s57c4x-304224 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4d1e4f52-0216-4839-9dd5-10e6275a2999.png?v=1774741545 Lemborexant Impurity 24 Lemborexant Impurity 24|C4X-304224 https://www.jk-sci.com/products/j5327821 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54a0508cbc4031223d751700b6d82dfd.jpg?v=1776356662 Methyl 3-aminocrotonate | 14205-39-1 Methyl 3-aminocrotonate|27821|14205-39-1 https://www.jk-sci.com/products/j5327782 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc34b39d291e4b6a62ec321c25190bf.jpg?v=1776356608 D-Arabinonic acid calcium salt | 22373-09-7 D-Arabinonic acid calcium salt|27782|22373-09-7 https://www.jk-sci.com/products/s57c4x-30426 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a19d6229b5b0a17de0c62179fd231db.jpg?v=1776418940 Lemborexant impurity 6 | 3070371-41-1 Lemborexant impurity 6|C4X-30426|3070371-41-1 https://www.jk-sci.com/products/j5327849 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de52856b23e05222f8fe5e18574f2dd8.jpg?v=1776356719 b-Tropine | 135-97-7 b-Tropine|27849|135-97-7 https://www.jk-sci.com/products/s57c4x-304230 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_34d67223-8956-4f66-ae7b-f7b5770db6b9.png?v=1774665031 Lemborexant Impurity 30 Lemborexant Impurity 30|C4X-304230 https://www.jk-sci.com/products/s57c4x-30428 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2404b363-2229-444b-b0ff-fde4e1db812c.png?v=1774880698 Lemborexant impurity 8 Lemborexant impurity 8|C4X-30428 https://www.jk-sci.com/products/s57c4x-3045 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-102054 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330c9f315c1c1ba19e92adbf649e180d.jpg?v=1776404576 Vonoprazan Impurity 54 | 1421640-34-7 Vonoprazan Impurity 54|C4X-102054|1421640-34-7 https://www.jk-sci.com/products/s57c4x-103129 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f41d2f811b1d0bce9cba35066611991.jpg?v=1776404801 Montelukast Impurity 29 | 184764-13-4 Montelukast Impurity 29|C4X-103129|184764-13-4 https://www.jk-sci.com/products/s57c4x-103518 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5460259dadb2508089b3e72c52ef33d_b694e3e8-3f87-47b7-9420-a8cff012308f.jpg?v=1776404862 Piperonylic Acid | 94-53-1 Piperonylic Acid|C4X-103518|94-53-1 https://www.jk-sci.com/products/j5327862 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a243d45a476781642fa07c46dafc94f3.jpg?v=1776356747 2-Bromo-5-methylbenzoic acid | 6967-82-4 2-Bromo-5-methylbenzoic acid|27862|6967-82-4 https://www.jk-sci.com/products/s57c4x-30521 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-104316 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a0389644521186eb8ab82d836d47cba.jpg?v=1776404961 Celecoxib Impurity 16 | 915280-81-8 Celecoxib Impurity 16|C4X-104316|915280-81-8 https://www.jk-sci.com/products/s57c4x-30596 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4f39c960-6655-41af-b569-398ec526fc1e.png?v=1774972098 Mavacoxib Impurity 6 Mavacoxib Impurity 6|C4X-30596 https://www.jk-sci.com/products/s57c4x-30591 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9773428e-9a2f-4d00-985a-ce5b9fdbb07c.png?v=1775140737 Mavacoxib Impurity 1 Mavacoxib Impurity 1|C4X-30591 https://www.jk-sci.com/products/s57c4x-109112 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6faf5217218e545244050ca5b31caee9.jpg?v=1776406705 Milrinone Impurity 12 | 156033-07-7 Milrinone Impurity 12|C4X-109112|156033-07-7 https://www.jk-sci.com/products/s57c4x-30744 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e254116f-965a-484d-b0d2-5712d2ce783d.png?v=1775076559 Morantel Impurity 4 Morantel Impurity 4|C4X-30744 https://www.jk-sci.com/products/s57c4x-31064 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a53b1d92d06f14b860612a817c3437e.jpg?v=1776418949 Darolutamide impurity 4 | 1297537-41-7 Darolutamide impurity 4|C4X-31064|1297537-41-7 https://www.jk-sci.com/products/s57c4x-31081 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327873 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b26ab3083650414d02bc9b57072b0af5.jpg?v=1776356783 2-Bromo-4-methylpyridine | 4926-28-7 2-Bromo-4-methylpyridine|27873|4926-28-7 https://www.jk-sci.com/products/s57c4x-31282 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-312825 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233229.png?v=1775142144 Nemonoxacin Impurity 25 | 221221-15-4 Nemonoxacin Impurity 25|C4X-312825|221221-15-4 https://www.jk-sci.com/products/s57c4x-113020 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/909104b4a091ff46704ca6d61676db30.jpg?v=1776407794 Ilaprazole-d3 | 1070969-17-3 Ilaprazole-d3|C4X-113020|1070969-17-3 https://www.jk-sci.com/products/s57c4x-238110 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f230fcdc36fb8e264e27ea2465cc5fe4.jpg?v=1776417707 Fluocinolone Acetonide EP Impurity J | 1361531-95-4 Fluocinolone Acetonide EP Impurity J|C4X-238110|1361531-95-4 https://www.jk-sci.com/products/j5327896 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b88a2759c455d489fb6aedf7f0c7e32.jpg?v=1776356833 Methyl 2-amino-4,5-diethoxy benzoate | 20197-71-1 Methyl 2-amino-4,5-diethoxy benzoate|27896|20197-71-1 https://www.jk-sci.com/products/s57c4x-2429147 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_458ef306-051d-4c7c-ad37-9d351af5eecd.png?v=1774664983 Relugoli Impurity 147 Relugoli Impurity 147|C4X-2429147 https://www.jk-sci.com/products/s57c4x-246635 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8be8f53e3a4ce472947a1889940045a.jpg?v=1776418087 Labetalol EP Impurity B HCl | 33778-93-7 Labetalol EP Impurity B HCl|C4X-246635|33778-93-7 https://www.jk-sci.com/products/s57c4x-249419 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_34d653ce-887b-4dca-b5a6-9f598bc096ac.png?v=1775063323 Dotinurad Impurity 19 Dotinurad Impurity 19|C4X-249419 https://www.jk-sci.com/products/s57c4x-25039 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/309350_1e8a7d8b-51ce-4cfd-b822-59e63f2d5fb1.png?v=1774962763 Indocyanine Green Impurity 9 | 41532-84-7 Indocyanine Green Impurity 9|C4X-25039|41532-84-7 https://www.jk-sci.com/products/s57c4x-24871 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dc4324155d9cd2ad7cac788da32c08f.jpg?v=1776418127 Rimegepant 1/2Sulfate 3/2Trihydrate | 1374024-48-2 Rimegepant 1/2Sulfate 3/2Trihydrate|C4X-24871|1374024-48-2 https://www.jk-sci.com/products/s57c4x-24083 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75ad6f10a0e7010d21a7c42bd6c6f9f8.jpg?v=1776417859 Desmethyl Cariprazine | 839712-15-1 Desmethyl Cariprazine|C4X-24083|839712-15-1 https://www.jk-sci.com/products/s57c4x-252010 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_754b94f9-f833-4921-ac94-e5293d67e4f5.png?v=1775133621 Pitolisant impurity 10 Pitolisant impurity 10|C4X-252010 https://www.jk-sci.com/products/s57c4x-252038 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dec09bcd-ebb8-458b-839b-a360b13f0ed9.png?v=1774724187 Pitolisant impurity 38 Pitolisant impurity 38|C4X-252038 https://www.jk-sci.com/products/s57c4x-12129 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c0fb75f1371d875dbcb7ba28244bd99.jpg?v=1776409324 Ceftazidime EP Impurity G | 194241-83-3 Ceftazidime EP Impurity G|C4X-12129|194241-83-3 https://www.jk-sci.com/products/s57c4x-245811 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ff08d3a5c67b5fe5b4c038b9595df72_c8a1a8f4-77fc-4a2d-b060-ba4de3fbbd9f.jpg?v=1776418058 4-Bromo-1-butanol (contains varying amounts of Tetrahydrofuran) | 33036-62-3 4-Bromo-1-butanol (contains varying amounts of Tetrahydrofuran)|C4X-245811|33036-62-3 https://www.jk-sci.com/products/s57c4x-12401 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a83a8a7b8d0ac103d21c93381b009584.jpg?v=1776409610 Ziprasidone EP Impurity E | 1159977-04-4 Ziprasidone EP Impurity E|C4X-12401|1159977-04-4 https://www.jk-sci.com/products/s57c4x-25795 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-253620 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367024_cd8bbd31-d85f-47c5-88b5-0b699e92306f.png?v=1774880685 H-L-ASP-L-ASP-OH | 58471-53-7 H-L-ASP-L-ASP-OH|C4X-253620|58471-53-7 https://www.jk-sci.com/products/s57c4x-260613 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5c3922be5110295dd6e297c60508c00.jpg?v=1776418319 Pretomanid Impurity 13 | 2982828-82-8 Pretomanid Impurity 13|C4X-260613|2982828-82-8 https://www.jk-sci.com/products/s57c4x-135824 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3066e2cdd6218b780eaf9cf4aeb5e30.jpg?v=1776410712 Cefditoren Impurity 24 | 2409806-43-3 Cefditoren Impurity 24|C4X-135824|2409806-43-3 https://www.jk-sci.com/products/j5327899 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93480fe761895d19764123adae855c8a.jpg?v=1776356843 2-Iodo-1-methyl-3-nitrobenzene | 6277-17-4 2-Iodo-1-methyl-3-nitrobenzene|27899|6277-17-4 https://www.jk-sci.com/products/s57c4x-262154 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-152212 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_23b807e2-bb1f-4e9b-84bd-bae6cff2b471.png?v=1774965567 Open-ring Desulfated Aztreonam Ethyl Ester 1 Open-ring Desulfated Aztreonam Ethyl Ester 1|C4X-152212 https://www.jk-sci.com/products/s57c4x-26361 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/503995_703a1bf6-7007-45cf-ac66-fd1deee07e5c.png?v=1775135668 2-Fluoronaphthalene | 323-09-1 2-Fluoronaphthalene|C4X-26361|323-09-1 https://www.jk-sci.com/products/s57c1012623 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28101a9e841f45dfba2165eca3536a9a.jpg?v=1776401187 1-((6-Chloropyridin-3-yl)methyl)-4-ethylpiperazine | 1016745-43-9 1-((6-Chloropyridin-3-yl)methyl)-4-ethylpiperazine|C1012623|1016745-43-9 https://www.jk-sci.com/products/s57c4x-27468 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-27496 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fde6d3aba48af823d73bf1720e6f7db8.jpg?v=1776418429 Apalutamide Impurity 6 | 1332391-11-3 Apalutamide Impurity 6|C4X-27496|1332391-11-3 https://www.jk-sci.com/products/s57c1027316 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368358.png?v=1774965145 (R)-2-Hydroxypropanoic acid | 10326-41-7 (R)-2-Hydroxypropanoic acid|C1027316|10326-41-7 https://www.jk-sci.com/products/j5327902 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/773be8c7811fea7ca7ea8aea723aac78.jpg?v=1776356851 2-Amino-5-chloro-3-nitropyridine | 5409-39-2 2-Amino-5-chloro-3-nitropyridine|27902|5409-39-2 https://www.jk-sci.com/products/s57c4x-276914 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76128eb42d77ab125ff06de03b2bf2ef.jpg?v=1776418451 Droperidol Impurity 14 | 60172-08-9 Droperidol Impurity 14|C4X-276914|60172-08-9 https://www.jk-sci.com/products/j5327906 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5eb83cf40acb284954dfc1f1c35981.jpg?v=1776356867 3-Bromo-5-nitrobenzoic acid | 6307-83-1 3-Bromo-5-nitrobenzoic acid|27906|6307-83-1 https://www.jk-sci.com/products/s57c4x-27802 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380255_10851881-8e3e-4e24-9f4c-c68e9dfaadc1.png?v=1775142131 Cladribine Impurity 2 | 533-67-5 Cladribine Impurity 2|C4X-27802|533-67-5 https://www.jk-sci.com/products/s57c4x-27912 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/478873_e229ef60-7d14-44b3-9182-e32ee4c8187b.png?v=1774661314 Sulfadoxine Impurity 2 | 5018-38-2 Sulfadoxine Impurity 2|C4X-27912|5018-38-2 https://www.jk-sci.com/products/s57c1034097 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411301.png?v=1774966551 2-(Adamantan-1-yl)-4-bromophenol | 104224-68-2 2-(Adamantan-1-yl)-4-bromophenol|C1034097|104224-68-2 https://www.jk-sci.com/products/s57c1381490 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/154268.png?v=1774965151 3,4,5-Tribromopyrazole | 17635-44-8 3,4,5-Tribromopyrazole|C1381490|17635-44-8 https://www.jk-sci.com/products/s57c1495834 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1ddd2b3e9d51a788e1ca321370815d9.jpg?v=1776402022 (S)-1,1,1-Trifluoroisopropanol | 3539-97-7 (S)-1,1,1-Trifluoroisopropanol|C1495834|3539-97-7 https://www.jk-sci.com/products/j5327912 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17416c1e2f870a6f2aecb9abb912dfde.jpg?v=1776356888 3-Hydroxy-4-iodobenzaldehyde | 135242-71-6 3-Hydroxy-4-iodobenzaldehyde|27912|135242-71-6 https://www.jk-sci.com/products/s57c1498077 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274489.png?v=1774965163 (S)-2-Chloro-3-methylbutyric Acid | 26782-74-1 (S)-2-Chloro-3-methylbutyric Acid|C1498077|26782-74-1 https://www.jk-sci.com/products/s57c1718799 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273825_18bdfbc8-9624-4f7a-aafe-f29ba4202993.png?v=1774965171 4-chloro-2-nitrobenzoic acid | 6280-88-2 4-chloro-2-nitrobenzoic acid|C1718799|6280-88-2 https://www.jk-sci.com/products/s57c1802596 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5abb6e3f59b168c911f11e80721d9d17.jpg?v=1776402748 Diethyl 2-(((3-chloro-4-fluorophenyl)amino)methylene)malonate | 70032-30-3 Diethyl 2-(((3-chloro-4-fluorophenyl)amino)methylene)malonate|C1802596|70032-30-3 https://www.jk-sci.com/products/s57c1813401 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9b745e1e6637f29a44888679ef16b77.jpg?v=1776402792 ethyl 2-cyano-4,4-dimethoxybutanoate | 773076-83-8 ethyl 2-cyano-4,4-dimethoxybutanoate|C1813401|773076-83-8 https://www.jk-sci.com/products/j5327919 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2dc354bb59862943324680b20a36b4a4.jpg?v=1776356912 3,5-Dichloro-2-hydroxypyridine | 5437-33-2 3,5-Dichloro-2-hydroxypyridine|27919|5437-33-2 https://www.jk-sci.com/products/j5327915 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6072d5a74e4d745042b0dc105d6d236e.jpg?v=1776356899 3-Cyanocoumarin | 15119-34-3 3-Cyanocoumarin|27915|15119-34-3 https://www.jk-sci.com/products/s57c1894113 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bbd1bac55b3e3ee7dca02f349693b1c9.jpg?v=1776403127 Roxadustat Impurity N2 | 57830-14-5 Roxadustat Impurity N2|C1894113|57830-14-5 https://www.jk-sci.com/products/s57c1922629 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143123.png?v=1774965197 (2-Methoxyphenyl)methanol | 612-16-8 (2-Methoxyphenyl)methanol|C1922629|612-16-8 https://www.jk-sci.com/products/s57c1930046 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e76401acc7f9c2ada7754b2c4e19489.jpg?v=1776403286 Flunarizine EP Impurity C | 90830-31-2 Flunarizine EP Impurity C|C1930046|90830-31-2 https://www.jk-sci.com/products/s57c4x-28004 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327975 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c49e21dcfa0d0addb11b33accbbd984e.jpg?v=1776357024 2-Phenyl-(2-pyridyl)acetamide | 7251-52-7 2-Phenyl-(2-pyridyl)acetamide|27975|7251-52-7 https://www.jk-sci.com/products/s57c4x-288068 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327956 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a76d04b4a25dd12e4c07a82e9d0fac87.jpg?v=1776357000 2-Bromo-3-nitrotoluene | 41085-43-2 2-Bromo-3-nitrotoluene|27956|41085-43-2 https://www.jk-sci.com/products/s57c4x-28573 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3de3b66f3cdae1c284caf3b53343e440.jpg?v=1776418646 Omacycline M-2 Impurity | 2272886-35-6 Omacycline M-2 Impurity|C4X-28573|2272886-35-6 https://www.jk-sci.com/products/s57c3d-25876 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d54d572a95578e098ce30dbac6f7230.jpg?v=1776403391 N-[(S)-1-Carbethoxy-1-butyl]-L-alanine | 82834-12-6 N-[(S)-1-Carbethoxy-1-butyl]-L-alanine|C3D-25876|82834-12-6 https://www.jk-sci.com/products/s57c3d-3206 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/450511_9ba1b93f-2b75-46e8-acdb-b47765c508b4.png?v=1774965217 L-Homoserine | 672-15-1 L-Homoserine|C3D-3206|672-15-1 https://www.jk-sci.com/products/s57c4x-284816 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b555008c5cb29050a28cca4de6c22bf.jpg?v=1776418613 Nabumetone Impurity 16 | 127053-21-8 Nabumetone Impurity 16|C4X-284816|127053-21-8 https://www.jk-sci.com/products/s57c4x-288014 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eecf41e4-f1e9-4fa7-bfd8-5031218eebdc.png?v=1774671876 Finerenone Impurity 14 Finerenone Impurity 14|C4X-288014 https://www.jk-sci.com/products/s57c4x-28907 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e44b2f0d-20c5-474b-a342-bc26e75db670.png?v=1775143466 ethyl (5Z,8Z,11E,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate ethyl (5Z,8Z,11E,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate|C4X-28907 https://www.jk-sci.com/products/s57c4x-28597 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a833c4db0228eefbf625122422f9922c.jpg?v=1776418667 Anamorelin Hydrochloride | 861998-00-7 Anamorelin Hydrochloride|C4X-28597|861998-00-7 https://www.jk-sci.com/products/s57c4x-28771 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0cffb0c71478fc9b3c62251973c439c.jpg?v=1776418677 Tafamidis Impurity 1 | 1184581-58-5 Tafamidis Impurity 1|C4X-28771|1184581-58-5 https://www.jk-sci.com/products/s57c4x-290313 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd977b00-bec7-49b1-a5d5-3423547043fe.png?v=1775071805 Pemafibrate Impurity 13 Pemafibrate Impurity 13|C4X-290313 https://www.jk-sci.com/products/s57c4x-28488 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/717995a271002d848998caebcdebd2ed.jpg?v=1776418630 Nabumetone Impurity 8 | 5672-98-0 Nabumetone Impurity 8|C4X-28488|5672-98-0 https://www.jk-sci.com/products/s57c4x-288025 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_41e1bfbd-0916-4777-8359-13c205c489d8.png?v=1774722313 Finerenone Impurity 25 Finerenone Impurity 25|C4X-288025 https://www.jk-sci.com/products/s57c4x-289621 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b8f4b56-c345-4910-91c8-c8d7cd199d04.png?v=1774741538 Vericiguat Impurity 21 Vericiguat Impurity 21|C4X-289621 https://www.jk-sci.com/products/s57c4x-288039 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c221d7d1-c3d4-43ee-9bcb-ac91951ecd8a.png?v=1774896858 Finerenone Impurity 39 Finerenone Impurity 39|C4X-288039 https://www.jk-sci.com/products/s57c4x-283632 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c1824867-7026-4166-880a-ded22867a08b.png?v=1774988235 Alectinib Impurity 32 Alectinib Impurity 32|C4X-283632 https://www.jk-sci.com/products/s57c4x-28066 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76e32e72609b3f1a58cddffa85a3cd23.jpg?v=1776418552 cis-5,8,11,14-Eicosic Acidtraenoic Acid | 1808-26-0 cis-5,8,11,14-Eicosic Acidtraenoic Acid|C4X-28066|1808-26-0 https://www.jk-sci.com/products/s57c4x-288618 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/220872_5146a5c3-383a-4315-b8fc-f92257bf45df.png?v=1784619811 5,2′-O-dimethyluridine Phosphoramidite | 153631-20-0 5,2′-O-dimethyluridine Phosphoramidite|C4X-288618|153631-20-0 https://www.jk-sci.com/products/j5327983 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fb776380ad0a28f96542b6a340b44d9.jpg?v=1776357040 4-Aminopyridine | 504-24-5 4-Aminopyridine|27983|504-24-5 https://www.jk-sci.com/products/s57c4x-28902 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9e3044cfd1ffb914030f55fa782a6ef.jpg?v=1776418736 (5Z,8Z,11Z,14Z,17Z)-ethyl nonadeca-5,8,11,14,17-pentaenoate | 2347415-07-8 (5Z,8Z,11Z,14Z,17Z)-ethyl nonadeca-5,8,11,14,17-pentaenoate|C4X-28902|2347415-07-8 https://www.jk-sci.com/products/j5327939 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce2e7578b04d996602609aaa5e3d0d2d.jpg?v=1776356973 2,2-Dibromo-2-cyanoacetamide | 10222-01-2 2,2-Dibromo-2-cyanoacetamide|27939|10222-01-2 https://www.jk-sci.com/products/s57c4x-29022 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acc7b4adc4c7f69d88eec8659e19e48c.jpg?v=1776418768 Ozanimod Impurity 2 | 60899-34-5 Ozanimod Impurity 2|C4X-29022|60899-34-5 https://www.jk-sci.com/products/s57c4x-28428 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fa2425f-401c-448e-983f-0820cc807211.png?v=1774884928 Estradiol Valerate EP Impurity J Estradiol Valerate EP Impurity J|C4X-28428 https://www.jk-sci.com/products/j5327985 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60e40f47d58d1ddcf8243c94a10cbb99.jpg?v=1776357046 4-Bromo-2-cyanoanisole | 144649-99-0 4-Bromo-2-cyanoanisole|27985|144649-99-0 https://www.jk-sci.com/products/j5328007 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3acc4bcd6c13047a9e2ccd68dca3885.jpg?v=1776357074 Sodium tetrachloroaurate (III) dihydrate | 13874-02-7 Sodium tetrachloroaurate (III) dihydrate|28007|13874-02-7 https://www.jk-sci.com/products/s57c4x-29037 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdeee5fc861fa8f92342919b1c5533b9.jpg?v=1776418776 Pemafibrate Impurity 7 | 916515-17-8 Pemafibrate Impurity 7|C4X-29037|916515-17-8 https://www.jk-sci.com/products/s57c4x-291542 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dbf12561-511d-465f-b3a5-5a340a93a865.png?v=1774721340 Letermovir Impurity 42 Letermovir Impurity 42|C4X-291542 https://www.jk-sci.com/products/j5328101 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b838a3506a581d88ea391090d1706ab0.jpg?v=1776357160 3-Methyl-1,3-thiazolidine-2-thione | 1908-87-8 3-Methyl-1,3-thiazolidine-2-thione|28101|1908-87-8 https://www.jk-sci.com/products/s57c4x-29159 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_42b40ff9-7d5a-4219-8953-7e0599cc43db.png?v=1774661325 Letermovir Impurity 9 Letermovir Impurity 9|C4X-29159 https://www.jk-sci.com/products/j5328063 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55df138d32281ee047c5520cd80acf35.jpg?v=1776357108 Tungstosilicic acid hydrate | 12027-38-2 Tungstosilicic acid hydrate|28063|12027-38-2 https://www.jk-sci.com/products/s57c4x-2915 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20def9ee443f7364d1cb6e71f8a5ae2f.jpg?v=1776418787 Letermovir | 917389-32-3 Letermovir|C4X-2915|917389-32-3 https://www.jk-sci.com/products/j5328069 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b05c662f93d8121e64030a3f4a799ae.jpg?v=1776357114 Cocarboxylase tetrahydrate | 68684-55-9 Cocarboxylase tetrahydrate|28069|68684-55-9 https://www.jk-sci.com/products/j5328116 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c79d723d735a4fa3fcf02ae7a514aa4.jpg?v=1776357228 2,3-Diamino-5-bromo-6-methylpyridine | 59352-90-8 2,3-Diamino-5-bromo-6-methylpyridine|28116|59352-90-8 https://www.jk-sci.com/products/s57c4x-2924103 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f144272-b17b-4e2f-b412-7e5920e3f688.png?v=1774719249 Mirogabalin Impurity 103 Mirogabalin Impurity 103|C4X-2924103 https://www.jk-sci.com/products/j5328127 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/058e739ddd7bda6cb43ebc013baac39c.jpg?v=1776357258 L-Ribose | 24259-59-4 L-Ribose|28127|24259-59-4 https://www.jk-sci.com/products/j5328111 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b139f1a82e34cb12e9076651d12a12bb.jpg?v=1776357205 3-Nitro-1H-pyrazole | 26621-44-3 3-Nitro-1H-pyrazole|28111|26621-44-3 https://www.jk-sci.com/products/s57c3d-4438 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790384.png?v=1774965223 4-Acetamido-2-methoxyphenyl acetate | 75813-77-3 4-Acetamido-2-methoxyphenyl acetate|C3D-4438|75813-77-3 https://www.jk-sci.com/products/j5328107 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46f869ae9faafb13716970fb7d1a107f.jpg?v=1776357184 2-Chloro-5-fluorobenzoic acid | 2252-50-8 2-Chloro-5-fluorobenzoic acid|28107|2252-50-8 https://www.jk-sci.com/products/j5328143 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a0fcb4b5e28658e8db01fa52598922b.jpg?v=1776357300 3-Chloro-2-methoxybenzoic acid | 3260-93-3 3-Chloro-2-methoxybenzoic acid|28143|3260-93-3 https://www.jk-sci.com/products/j5328105 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78dc1355865741089b3f64f164887f22.jpg?v=1776357175 4-Morpholinoaniline | 2524-67-6 4-Morpholinoaniline|28105|2524-67-6 https://www.jk-sci.com/products/s57c3d-4740 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210216_8277e613-3b72-46d7-ab14-8be577f73633.png?v=1774965228 Ethyl (2-Amino-4-thiazolyl)acetate | 53266-94-7 Ethyl (2-Amino-4-thiazolyl)acetate|C3D-4740|53266-94-7 https://www.jk-sci.com/products/s57c4x-10032 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/175096d59e8394740016f55c3d62f868.jpg?v=1776404153 Azithromycin EP Impurity B | 307974-61-4 Azithromycin EP Impurity B|C4X-10032|307974-61-4 https://www.jk-sci.com/products/j5328121 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3da8f895c63ace6f982e69be059f0e38.jpg?v=1776357240 2-Bromo-4-nitropyridine N-oxide | 52092-43-0 2-Bromo-4-nitropyridine N-oxide|28121|52092-43-0 https://www.jk-sci.com/products/j5328133 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14e8e0cd2825dc0c5c5658675cf66385.jpg?v=1776357268 8-Hydroxyquinoline-2-carboxylic acid | 1571-30-8 8-Hydroxyquinoline-2-carboxylic acid|28133|1571-30-8 https://www.jk-sci.com/products/j5328136 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96db19aa50161c51818c0b27dc808ffc.jpg?v=1776357278 4-Acetyldiphenyl sulfone | 65085-83-8 4-Acetyldiphenyl sulfone|28136|65085-83-8 https://www.jk-sci.com/products/j5328139 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4b4387b2615c62fe50ad3b94eae9f61.jpg?v=1776357289 4-Imidazolecarboxaldehyde | 3034-50-2 4-Imidazolecarboxaldehyde|28139|3034-50-2 https://www.jk-sci.com/products/s57c4x-100869 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cb170a35ad8cfa14699a195eeff57ca.jpg?v=1776404275 Aripiprazole Impurity 69 | 2989508-28-1 Aripiprazole Impurity 69|C4X-100869|2989508-28-1 https://www.jk-sci.com/products/s57c4x-292435 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd20954c09b9050e23f59282bfe4075f.jpg?v=1776418806 Mirogabalin Impurity 35 | 1644251-41-1 Mirogabalin Impurity 35|C4X-292435|1644251-41-1 https://www.jk-sci.com/products/j5328158 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb2127fb0ce6ad9ee86bb9c65c077bb6.jpg?v=1776357334 4'-Demethylepipodophyllotoxin | 6559-91-7 4'-Demethylepipodophyllotoxin|28158|6559-91-7 https://www.jk-sci.com/products/j5328165 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a675c813b3bb5df9e190dfe5bf8a687.jpg?v=1776357349 1,2,3,4-Di-O-isopropylidene-a-D-fucopyranose | 4026-27-1 1,2,3,4-Di-O-isopropylidene-a-D-fucopyranose|28165|4026-27-1 https://www.jk-sci.com/products/j5328173 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3af0aa8a53ebe8c663a7af432e9651e4.jpg?v=1776357367 3-Bromo-5-iodobenzoic acid | 188815-32-9 3-Bromo-5-iodobenzoic acid|28173|188815-32-9 https://www.jk-sci.com/products/j5328176 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ee336c9751d192a36ef14933983b282f.jpg?v=1776357376 5'-Chloro-2'-hydroxy-3'-nitroacetophenone | 84942-40-5 5'-Chloro-2'-hydroxy-3'-nitroacetophenone|28176|84942-40-5 https://www.jk-sci.com/products/j5328198 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80ca2dc92c4019c6a6ee7be86b09c9b3.jpg?v=1776357411 3-Bromo-4-methoxybenzoic acid methyl ester | 35450-37-4 3-Bromo-4-methoxybenzoic acid methyl ester|28198|35450-37-4 https://www.jk-sci.com/products/j5328191 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ae2cd5fa7c39ec008274b5c1e83157c.jpg?v=1776357400 Allylestrenol | 432-60-0 Allylestrenol|28191|432-60-0 https://www.jk-sci.com/products/s57c4x-103222 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/527611.png?v=1774965253 Mirabegron Impurity 22 | 861337-74-8 Mirabegron Impurity 22|C4X-103222|861337-74-8 https://www.jk-sci.com/products/j5328185 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ec721c20e3dfc09186f6fca373ec01.jpg?v=1776357391 (S)-(+)-2-Oxo-4-phenyl-3-oxazolidineacetic acid | 99333-54-7 (S)-(+)-2-Oxo-4-phenyl-3-oxazolidineacetic acid|28185|99333-54-7 https://www.jk-sci.com/products/s57c4x-104427 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e38ce95eeb854e338feb4dd6332acb87_ea539544-7734-455c-9870-275ea1273f79.jpg?v=1776404986 Mosapride Impurity 27 | 112914-13-3 Mosapride Impurity 27|C4X-104427|112914-13-3 https://www.jk-sci.com/products/s57c4x-292447 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c721c8c0-dfec-43a5-ad91-c1cd7ac083fd.png?v=1774722324 Mirogabalin Impurity 47 Mirogabalin Impurity 47|C4X-292447 https://www.jk-sci.com/products/j5328208 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f48b1ce252e2ed513288eda1c6e74236.jpg?v=1776357424 2-Methyl-3-amino benzoic acid methyl ester | 18583-89-6 2-Methyl-3-amino benzoic acid methyl ester|28208|18583-89-6 https://www.jk-sci.com/products/j5327281 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7067339a95acf2e11ed0a1ff8412250.jpg?v=1776355375 Rhodium(III) chloride | 10049-07-7 Rhodium(III) chloride|27281|10049-07-7 https://www.jk-sci.com/products/j5327465 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17d899c0b651e0b120d2b04f42ff334b.jpg?v=1776355836 2-Ethylhexyl cyanoacetate | 13361-34-7 2-Ethylhexyl cyanoacetate|27465|13361-34-7 https://www.jk-sci.com/products/j5327154 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebfd5845b295678e9f0124338b4a0ccb.jpg?v=1776355054 Ethyl carbamate | 51-79-6 Ethyl carbamate|27154|51-79-6 https://www.jk-sci.com/products/j5326863 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ad5bd8e6a13c6956c1558d7435155fbc.jpg?v=1776354195 N-Vinyl-2-pyrrolidone | 88-12-0 N-Vinyl-2-pyrrolidone|26863|88-12-0 https://www.jk-sci.com/products/j5327413 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2593eda71ad1edc6c0a1da55d8e1fedc.jpg?v=1776355701 4,4'-Bisbenzyl alcohol | 1667-12-5 4,4'-Bisbenzyl alcohol|27413|1667-12-5 https://www.jk-sci.com/products/j5327609 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4213ce71f157de541dbf36b5dbb3cec.jpg?v=1776356205 N,N,N-Trimethyl-1-decanaminium bromide | 2082-84-0 N,N,N-Trimethyl-1-decanaminium bromide|27609|2082-84-0 https://www.jk-sci.com/products/j5327711 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e910cbb6347ebca8a11331e07d165553.jpg?v=1776356439 2,4-Dimethoxybenzylamine | 20781-20-8 2,4-Dimethoxybenzylamine|27711|20781-20-8 https://www.jk-sci.com/products/j5327543 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58d5ddcbae7780a08e7f9aae35a98729.jpg?v=1776356032 Tapso | 68399-81-5 Tapso|27543|68399-81-5 https://www.jk-sci.com/products/j5327645 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/837b7236bf9f86f86f11d55cbf72f212.jpg?v=1776356288 4'-Iodoacetophenone | 13329-40-3 4'-Iodoacetophenone|27645|13329-40-3 https://www.jk-sci.com/products/s57c4x-105151 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49624facf50dda266189731d27e8e6a6.jpg?v=1776405117 Diclofenac Dodecyl Ester | 2731820-79-2 Diclofenac Dodecyl Ester|C4X-105151|2731820-79-2 https://www.jk-sci.com/products/j5327775 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69cb9aa74d3dce44880e1d0a517321a8.jpg?v=1776356584 Dichloro(p-cymene)ruthenium(II) dimer | 52462-29-0 Dichloro(p-cymene)ruthenium(II) dimer|27775|52462-29-0 https://www.jk-sci.com/products/j5327847 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ea74177bc94dbc85fdea22add60bc76.jpg?v=1776356713 2-Fluoro-2-deoxy-D-glucose | 29702-43-0 2-Fluoro-2-deoxy-D-glucose|27847|29702-43-0 https://www.jk-sci.com/products/j5327867 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31d81fe918b47ede7f94dc6deec10db0.jpg?v=1776356765 2-(2-Phenoxyphenyl)acetic acid | 25563-02-4 2-(2-Phenoxyphenyl)acetic acid|27867|25563-02-4 https://www.jk-sci.com/products/j5327905 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e302f6ecd9a160c895486786dc0dc87.jpg?v=1776356863 Ethyl Isonicotinoylacetate | 26377-17-3 Ethyl Isonicotinoylacetate|27905|26377-17-3 https://www.jk-sci.com/products/j5327898 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/983ed87e3528eaa35d57074ca4625403.jpg?v=1776356840 2-(Bromomethyl)benzoic acid | 7115-89-1 2-(Bromomethyl)benzoic acid|27898|7115-89-1 https://www.jk-sci.com/products/j5327913 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8a5c1725a176d4399fd20033dbb7808.jpg?v=1776356892 5-Chloro-2-hydroxy-3-nitropyridine | 21427-61-2 5-Chloro-2-hydroxy-3-nitropyridine|27913|21427-61-2 https://www.jk-sci.com/products/j5327922 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f820ac97384f0043dc98018bc338f911.jpg?v=1776356918 3-Methoxy-2-methylpyridine | 26395-26-6 3-Methoxy-2-methylpyridine|27922|26395-26-6 https://www.jk-sci.com/products/s57c4x-29246 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a8c98200-a0bc-46a8-ac9e-ecfb865c6a82.png?v=1774902209 Mirogabalin Impurity 6 Mirogabalin Impurity 6|C4X-29246 https://www.jk-sci.com/products/j5328089 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3baa7970e4097ed73ed5b4752ccd8b1b.jpg?v=1776357136 Thiophene-3-carbonitrile | 1641-09-4 Thiophene-3-carbonitrile|28089|1641-09-4 https://www.jk-sci.com/products/j5327984 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72b0a23518aee8872134485110de3b65.jpg?v=1776357044 4-Bromo-2-cyanophenol | 40530-18-5 4-Bromo-2-cyanophenol|27984|40530-18-5 https://www.jk-sci.com/products/j5327962 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe8e8937766f85792746deaa0a8147bc.jpg?v=1776357014 4-Nitrophenyl benzoate | 959-22-8 4-Nitrophenyl benzoate|27962|959-22-8 https://www.jk-sci.com/products/j5328048 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d072ad7ab576b0d71ec88ec05a9cf8d.jpg?v=1776357101 Potassium osmate(VI) dihydrate | 10022-66-9 Potassium osmate(VI) dihydrate|28048|10022-66-9 https://www.jk-sci.com/products/j5328122 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6619ebc372bbf5ec545901a41d97219.jpg?v=1776357244 3,5-Dibromopyridine N-oxide | 2402-99-5 3,5-Dibromopyridine N-oxide|28122|2402-99-5 https://www.jk-sci.com/products/s57c4x-29307 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480461_645f42ca-bd7c-4fca-a758-647f1bf4d200.png?v=1774880694 Sulindac Impurity 7 | 37794-19-7 Sulindac Impurity 7|C4X-29307|37794-19-7 https://www.jk-sci.com/products/j5328135 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f3c64a89301a8caf5c3ddd81f12cafc.jpg?v=1776357274 Triazolylaniline | 6523-49-5 Triazolylaniline|28135|6523-49-5 https://www.jk-sci.com/products/s57c4x-1052 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0398985722bb90d00739c825f1c5ea4.jpg?v=1776405120 Sofosbuvir | 1190307-88-0 Sofosbuvir|C4X-1052|1190307-88-0 https://www.jk-sci.com/products/s57c4x-29247 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3345e5e6f9109a1c10aa0c19ed0bd21.jpg?v=1776418820 Mirogabalin Impurity 7 | 1644251-45-5 Mirogabalin Impurity 7|C4X-29247|1644251-45-5 https://www.jk-sci.com/products/j5328106 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26b6fcc90c0d7c0402240ea71989a40c.jpg?v=1776357180 3,5-Dibromobenzaldehyde | 56990-02-4 3,5-Dibromobenzaldehyde|28106|56990-02-4 https://www.jk-sci.com/products/j5328115 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ae41857149ad30b270adb53e7efeafb.jpg?v=1776357221 5-Benzyl-1,3,4-oxadiazol-2-ylamine | 31803-00-6 5-Benzyl-1,3,4-oxadiazol-2-ylamine|28115|31803-00-6 https://www.jk-sci.com/products/s57c4x-105415 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47fa91be950b8ec856dd42fcadad81fa.jpg?v=1776405169 Tedizolid Impurity 15 | 1700656-53-6 Tedizolid Impurity 15|C4X-105415|1700656-53-6 https://www.jk-sci.com/products/j5328140 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c4609dd4feaa2f0c3bf0786fb3ff7dc.jpg?v=1776357293 Ethyl 2-(4-nitrophenyl)-3-(trifluoromethyl)pyrazole-4-carboxylate | 175137-35-6 Ethyl 2-(4-nitrophenyl)-3-(trifluoromethyl)pyrazole-4-carboxylate|28140|175137-35-6 https://www.jk-sci.com/products/s57c4x-29362 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5328175 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07e9d0f1e9c6de7d9a507452d3b7f5f6.jpg?v=1776357374 6-Chlorochromone | 33533-99-2 6-Chlorochromone|28175|33533-99-2 https://www.jk-sci.com/products/j5328159 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa8814ce08e2ff4865e78a76c2c5ec62.jpg?v=1776357338 2,2-Bis(hydroxymethyl)butyric acid | 10097-02-6 2,2-Bis(hydroxymethyl)butyric acid|28159|10097-02-6 https://www.jk-sci.com/products/j5328190 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4d9c5013fef39783b690561eefd0895.jpg?v=1776357397 (2-Methoxy-ethyl)-triphenyl-phosphonium bromide | 55894-16-1 (2-Methoxy-ethyl)-triphenyl-phosphonium bromide|28190|55894-16-1 https://www.jk-sci.com/products/s57c4x-105439 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c81fd71723b1a6c4a743f3a20a1e73f7.jpg?v=1776405195 Tedizolid Impurity 39 | 1220910-89-3 Tedizolid Impurity 39|C4X-105439|1220910-89-3 https://www.jk-sci.com/products/j5328204 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c91a2c5545ca72d2f9f5deacd2e53b4.jpg?v=1776357417 3-Methyl-1-cyclopentadecanone | 541-91-3 3-Methyl-1-cyclopentadecanone|28204|541-91-3 https://www.jk-sci.com/products/j5328220 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce36bdce3d5df6ed22a445ceafcd2d7c.jpg?v=1776357443 6-Methylchromone | 38445-23-7 6-Methylchromone|28220|38445-23-7 https://www.jk-sci.com/products/j5328225 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46f3741935979afc7f1347f36a31d9fb.jpg?v=1776357453 5-Bromo-2-chloro-3-nitropyridine | 67443-38-3 5-Bromo-2-chloro-3-nitropyridine|28225|67443-38-3 https://www.jk-sci.com/products/s57c4x-105470 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22bf7356f5b94fa0c1691759653a43af.jpg?v=1776405216 Tedizolid Impurity 70 | 2563929-79-1 Tedizolid Impurity 70|C4X-105470|2563929-79-1 https://www.jk-sci.com/products/j5328235 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f4cbdef8ae33f8a073ed0d81eff2784.jpg?v=1776357478 6-Aminopyridine-2-carboxylic acid | 23628-31-1 6-Aminopyridine-2-carboxylic acid|28235|23628-31-1 https://www.jk-sci.com/products/j5328237 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db5d5a5dbc57f8081d55c20dcd68d192.jpg?v=1776357484 2-Aminopyridine-4-carboxylic acid | 13362-28-2 2-Aminopyridine-4-carboxylic acid|28237|13362-28-2 https://www.jk-sci.com/products/j5328254 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a778b21ffac26ad6e872a4b8628e68f.jpg?v=1776357534 4-Amino-2,6-dibromopyridine | 39771-34-1 4-Amino-2,6-dibromopyridine|28254|39771-34-1 https://www.jk-sci.com/products/j5328239 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454a9bb50ffd12abbddbf04dba00f33b.jpg?v=1776357492 3-Bromo-2-chloro-5-nitropyridine | 5470-17-7 3-Bromo-2-chloro-5-nitropyridine|28239|5470-17-7 https://www.jk-sci.com/products/j5328257 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d60486051eeaff7fa6c5b3edd7e9c0e4.jpg?v=1776357545 4-Amino-3-fluoropyridine | 2247-88-3 4-Amino-3-fluoropyridine|28257|2247-88-3 https://www.jk-sci.com/products/s57c4x-293714 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_38ce4d35-7ede-4c8a-8406-5365b0dd485e.png?v=1774965844 Abemaciclib Impurity 14 Abemaciclib Impurity 14|C4X-293714 https://www.jk-sci.com/products/j5328260 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/167c64f5b15386d218289e397119ff3e.jpg?v=1776357555 6-Chloro-2-methyl-3-nitropyridine | 22280-60-0 6-Chloro-2-methyl-3-nitropyridine|28260|22280-60-0 https://www.jk-sci.com/products/j5328264 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e60f12ce04555426290d890ce7de247.jpg?v=1776357569 1-Cyano-2-bromo-5-nitrobenzene | 134604-07-2 1-Cyano-2-bromo-5-nitrobenzene|28264|134604-07-2 https://www.jk-sci.com/products/s57c4x-10637 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416093_ed32391c-a5bc-4ca8-988b-cd0235aac8fe.png?v=1774965298 Edoxaban Impurity 7 | 1072-98-6 Edoxaban Impurity 7|C4X-10637|1072-98-6 https://www.jk-sci.com/products/s57c4x-1069115 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a27aa71764d732dd863d1e5c98d5b186.jpg?v=1776405750 Erlotinib Impurity 115 | 52670-38-9 Erlotinib Impurity 115|C4X-1069115|52670-38-9 https://www.jk-sci.com/products/s57c4x-29372 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6f1bad07aa1089cd7d7f23230d9b75d.jpg?v=1776418835 Abemaciclib Impurity 2 | 1528469-78-4 Abemaciclib Impurity 2|C4X-29372|1528469-78-4 https://www.jk-sci.com/products/s57c4x-293731 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac0037ad-315d-44ca-a566-87b4370f910a.png?v=1774891829 Abemaciclib Impurity 31 4HCl Abemaciclib Impurity 31 4HCl|C4X-293731 https://www.jk-sci.com/products/j5328269 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b5fcdda0f8e255e0a3aa24a1409a50a.jpg?v=1776357580 2-Bromo-3,5-dimethylpyridine | 92992-85-3 2-Bromo-3,5-dimethylpyridine|28269|92992-85-3 https://www.jk-sci.com/products/s57c4x-2944 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/beb37221e444f720aa8c12cdd2083af6.jpg?v=1776418841 Polidocanol | 3055-99-0 Polidocanol|C4X-2944|3055-99-0 https://www.jk-sci.com/products/s57c4x-294914 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a4fb9bd997662bc75e935cc855432cc.jpg?v=1776418847 Lodoxamide lmpurity 14 | 67451-25-6 Lodoxamide lmpurity 14|C4X-294914|67451-25-6 https://www.jk-sci.com/products/s57c4x-29611 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/519994_76555079-ea75-4cd9-96d3-a9761202fed5.png?v=1774665016 Linolenic acid Methyl Ester | 301-00-8 Linolenic acid Methyl Ester|C4X-29611|301-00-8 https://www.jk-sci.com/products/j5328282 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0615adf88fd57b5fcab428fbe6f6ebc5.jpg?v=1776357613 3-(Trifluoromethylthio)benzoic acid | 946-65-6 3-(Trifluoromethylthio)benzoic acid|28282|946-65-6 https://www.jk-sci.com/products/j5328272 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b899630e71aae000f008111b2bd25ec0.jpg?v=1776357586 3,5-Dibromo-2,4,6-trimethylpyridine | 29976-56-5 3,5-Dibromo-2,4,6-trimethylpyridine|28272|29976-56-5 https://www.jk-sci.com/products/s57c4x-297811 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4f98a67-d9c6-43d9-bf70-b4a20cb9a749.png?v=1775061095 Pyronaridine Impurity 11 Pyronaridine Impurity 11|C4X-297811 https://www.jk-sci.com/products/j5328287 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d6fdc54cb76e23dccd61e9d0977b88a.jpg?v=1776357623 4-Hydroxy-3-methoxy-a-methylbenzyl alcohol | 2480-86-6 4-Hydroxy-3-methoxy-a-methylbenzyl alcohol|28287|2480-86-6 https://www.jk-sci.com/products/j5328289 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c06d2ed0f60b560320b0788fbc522d1.jpg?v=1776357631 6-Bromochromone | 51483-92-2 6-Bromochromone|28289|51483-92-2 https://www.jk-sci.com/products/j5328291 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d74ca8a97396ac1d57aa56732b1d10fe.jpg?v=1776357637 5-(4-Bromophenyl)furfural | 20005-42-9 5-(4-Bromophenyl)furfural|28291|20005-42-9 https://www.jk-sci.com/products/j5328301 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a66f897a340508ce4a1c92873b290604.jpg?v=1776357656 Methyl 2-cyclohexyl-2-hydroxy-2-phenyl-acetate | 10399-13-0 Methyl 2-cyclohexyl-2-hydroxy-2-phenyl-acetate|28301|10399-13-0 https://www.jk-sci.com/products/j5328349 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4d42cd499e35b93b1736b719ca108b4.jpg?v=1776357749 3-(Bromoacetyl)coumarin | 29310-88-1 3-(Bromoacetyl)coumarin|28349|29310-88-1 https://www.jk-sci.com/products/j5328314 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b8582bf08c3b2c9e29cd7e9ca5a5353.jpg?v=1776357688 (R)-(-)-1-Benzyl-3-hydroxypiperidine | 91599-81-4 (R)-(-)-1-Benzyl-3-hydroxypiperidine|28314|91599-81-4 https://www.jk-sci.com/products/j5328355 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fa4c10bee0879dce3bc7db00b9fe2ad.jpg?v=1776357759 4-Bromo-3-nitrobenzoic acid methyl ester | 2363-16-8 4-Bromo-3-nitrobenzoic acid methyl ester|28355|2363-16-8 https://www.jk-sci.com/products/j5328368 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/767118a2622be11faa1231be5a53d2f9.jpg?v=1776357780 2-Chloro-3-iodopyridine | 78607-36-0 2-Chloro-3-iodopyridine|28368|78607-36-0 https://www.jk-sci.com/products/j5328366 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/327634f9f145e2ddb24100811b2eed65.jpg?v=1776357773 Ethyl 3-aminobenzofuran-2-carboxylate | 39786-35-1 Ethyl 3-aminobenzofuran-2-carboxylate|28366|39786-35-1 https://www.jk-sci.com/products/j5328381 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe3dd7df8e54089eca5f8e72f0120b38.jpg?v=1776357806 4-Bromo-3-methylbenzoic acid methyl ester | 148547-19-7 4-Bromo-3-methylbenzoic acid methyl ester|28381|148547-19-7 https://www.jk-sci.com/products/j5328391 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c97e1df90e23b3af761e5d4227bf15dc.jpg?v=1776357824 3-Amino-4-hydroxyphenyl methyl sulfone | 98-30-6 3-Amino-4-hydroxyphenyl methyl sulfone|28391|98-30-6 https://www.jk-sci.com/products/s57c4x-107684 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/626768_3d6ca3ad-0eea-4a61-a105-19b4d5ab5dcf.png?v=1774965314 Tenofovir disoproxil Impurity 84 | 2756-87-8 Tenofovir disoproxil Impurity 84|C4X-107684|2756-87-8 https://www.jk-sci.com/products/s57c4x-1090168 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b752dd6-291a-4ae8-9b10-333363696813.png?v=1774965319 Rivaroxaban impurity 168 Rivaroxaban impurity 168|C4X-1090168 https://www.jk-sci.com/products/j5328395 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70e13cce14e6c0a49fbb666a8c5bd174.jpg?v=1776357837 2-Chloro-5-methylpyridine | 18368-64-4 2-Chloro-5-methylpyridine|28395|18368-64-4 https://www.jk-sci.com/products/s57c4x-109561 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/651310ee9f7fac426c95b31f90c251f2.jpg?v=1776406875 (R)-Amlodipine | 103129-81-3 (R)-Amlodipine|C4X-109561|103129-81-3 https://www.jk-sci.com/products/s57c4x-298817 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6bddcb4e43f260e711565e902435d17.jpg?v=1776418860 Belumosudil Impurity 17 | 97454-48-3 Belumosudil Impurity 17|C4X-298817|97454-48-3 https://www.jk-sci.com/products/j5328402 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/868266f5da522c01e268d43502110e21.jpg?v=1776357858 4-Mercaptophenylacetic acid | 39161-84-7 4-Mercaptophenylacetic acid|28402|39161-84-7 https://www.jk-sci.com/products/j5328454 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc5f63cbe755d46c66c0ae3ef6b1a28e.jpg?v=1776357965 2-Ethyl-6-methylphenol | 1687-64-5 2-Ethyl-6-methylphenol|28454|1687-64-5 https://www.jk-sci.com/products/j5328427 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47b7ec737b1daaedba3dc2abdb6b8c1d.jpg?v=1776357907 6-Chlorochromone-2-carboxylic acid | 5006-45-1 6-Chlorochromone-2-carboxylic acid|28427|5006-45-1 https://www.jk-sci.com/products/j5328443 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5a9d6369f849020dfd2bc101a958916.jpg?v=1776357932 2,6-Dichloro-4-nitropyridine N-oxide | 2587-01-1 2,6-Dichloro-4-nitropyridine N-oxide|28443|2587-01-1 https://www.jk-sci.com/products/s57c4x-299213 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7d33fedf-cd40-4c11-9748-6d2d192ad2c1.png?v=1774665024 Mefatinib Impurity 13 Mefatinib Impurity 13|C4X-299213 https://www.jk-sci.com/products/s57c4x-29925 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5328445 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/396ff6e0756a9a9d1132b1f767a0820a.jpg?v=1776357940 3-Bromo-2-nitropyridine | 54231-33-3 3-Bromo-2-nitropyridine|28445|54231-33-3 https://www.jk-sci.com/products/s57c4x-300410 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/471598dd7bdddf4f8bea0f52186b5a32.jpg?v=1776418885 Sotagliflozin | 1018899-04-1 Sotagliflozin|C4X-300410|1018899-04-1 https://www.jk-sci.com/products/s57c4x-29962 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48d0eeeb6d975a52d18ca7c570423c15.jpg?v=1776418876 Pentaerythritol Mono-Propionate | 51690-77-8 Pentaerythritol Mono-Propionate|C4X-29962|51690-77-8 https://www.jk-sci.com/products/s57c4x-114829 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04ed36f3b60456648bf16d8bf1ec1df9.jpg?v=1776408378 Amoxicillin Trimer Impurity | 174391-69-6 Amoxicillin Trimer Impurity|C4X-114829|174391-69-6 https://www.jk-sci.com/products/s57c4x-115475 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_740f9e15-77ec-49c6-a848-5cb11be3d730.png?v=1774965394 Methotrexate Impurity 75 Methotrexate Impurity 75|C4X-115475 https://www.jk-sci.com/products/j5326496 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ff8e866b0cc84cda88e9a627ad22f7a.jpg?v=1776352873 Lithium formate | 556-63-8 Lithium formate|26496|556-63-8 https://www.jk-sci.com/products/s57c4x-124424 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3d6913705b8a8f97d3934bca83b5efe.jpg?v=1776409699 Quetiapine EP Impurity U | 5786-26-5 Quetiapine EP Impurity U|C4X-124424|5786-26-5 https://www.jk-sci.com/products/j5327227 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17197adb2596f3a27c5d48a50a8ea9a4.jpg?v=1776355261 Chloro(triphenylphosphine)gold(I) | 14243-64-2 Chloro(triphenylphosphine)gold(I)|27227|14243-64-2 https://www.jk-sci.com/products/j5327431 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/226a331e07a6cd703f632506aa764d72.jpg?v=1776355758 4-Amino-3-nitrobenzoic acid | 1588-83-6 4-Amino-3-nitrobenzoic acid|27431|1588-83-6 https://www.jk-sci.com/products/j5327588 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83d41ecba70998f86ac9e777ad6dd57e.jpg?v=1776356150 3-Iodobenzyl cyanide | 130723-54-5 3-Iodobenzyl cyanide|27588|130723-54-5 https://www.jk-sci.com/products/j5327676 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d342ee82cc4f229b82a0680da37d902.jpg?v=1776356357 3-Iodo-4-methylaniline | 35944-64-0 3-Iodo-4-methylaniline|27676|35944-64-0 https://www.jk-sci.com/products/s57c4x-301110 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c4x-301122 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/j5327909 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c64677103b35fd7fb101988d1268374f.jpg?v=1776356878 2-Amino-1,3-benzothiazole-6-carboxylic acid ethyl ester | 50850-93-6 2-Amino-1,3-benzothiazole-6-carboxylic acid ethyl ester|27909|50850-93-6 https://www.jk-sci.com/products/j5327791 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c16c0c828c244ef5159a1c3a275b5411.jpg?v=1776356620 Platinum(IV) oxide | 1314-15-4 Platinum(IV) oxide|27791|1314-15-4 https://www.jk-sci.com/products/j5327881 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac4108ddb42ae0136ccf046c8d1d1395.jpg?v=1776356806 Methazolamide | 554-57-4 Methazolamide|27881|554-57-4 https://www.jk-sci.com/products/j5327955 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55bb367e28e2f2a78ff7b5a537855c09.jpg?v=1776356997 D-Tagatose | 87-81-0 D-Tagatose|27955|87-81-0 https://www.jk-sci.com/products/s57c4x-301131 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2addc4bf-6fd3-49e2-a503-14bc8751188a.png?v=1774723253 Ertugliflozin impurity 31 Ertugliflozin impurity 31|C4X-301131 https://www.jk-sci.com/products/s57c4x-30116 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f49f87b0-5011-426b-b6c3-d8e30acf104e.png?v=1775142140 Ertugliflozin impurity 6 Ertugliflozin impurity 6|C4X-30116 https://www.jk-sci.com/products/s57c4x-30191 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b349f6328abb15739c4b3630a1155d35.jpg?v=1776418909 Ritamorin | 224452-66-8 Ritamorin|C4X-30191|224452-66-8 https://www.jk-sci.com/products/s57c4x-1514132 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_58f6502c-4c46-4d9f-8792-ec301f6e8f09.png?v=1774965563 Norepinephrine Impurity 132 Norepinephrine Impurity 132|C4X-1514132 https://www.jk-sci.com/products/j5327988 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f56160cdb37c91048d139f3d056377c.jpg?v=1776357054 2-Bromo-5-chlorobenzoic acid methyl ester | 27007-53-0 2-Bromo-5-chlorobenzoic acid methyl ester|27988|27007-53-0 https://www.jk-sci.com/products/s57c4x-3033 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f055a684870ee3bd7d33d96e3d7c671e_801433e4-7d7f-4a52-a353-8324ad689069.jpg?v=1776418920 Dabrafenib | 1195765-45-7 Dabrafenib|C4X-3033|1195765-45-7 https://www.jk-sci.com/products/j5328118 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f143a928bc9a897a12ec665d4fca8308.jpg?v=1776357232 4-Amino-3-nitropyridine | 1681-37-4 4-Amino-3-nitropyridine|28118|1681-37-4 https://www.jk-sci.com/products/j5328104 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bed5869c425fa42d5482162c317af286.jpg?v=1776357170 1-Bromo-3-ethylbenzene | 2725-82-8 1-Bromo-3-ethylbenzene|28104|2725-82-8 https://www.jk-sci.com/products/s57c1144486 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c571a1430f5b1d9995dbd3d121e4cf1f.jpg?v=1776401440 Abemaciclib Impurity N3 | 1231930-42-9 Abemaciclib Impurity N3|C1144486|1231930-42-9 https://www.jk-sci.com/products/j5328168 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d869ca011c8afd8509f794f5649331d.jpg?v=1776357357 (R)-3-Hydroxypyrrolidine hydrochloride | 104706-47-0 (R)-3-Hydroxypyrrolidine hydrochloride|28168|104706-47-0 https://www.jk-sci.com/products/j5328194 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4317faf052bf9c2fe4c64dca1d072bf0.jpg?v=1776357406 3-Chloro-4-methylbenzoic acid methyl ester | 56525-63-4 3-Chloro-4-methylbenzoic acid methyl ester|28194|56525-63-4 https://www.jk-sci.com/products/j5328137 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1885931c16e8312658980cbccf39b0e5.jpg?v=1776357282 2-Bromobenzene-1-sulfonamide | 92748-09-9 2-Bromobenzene-1-sulfonamide|28137|92748-09-9 https://www.jk-sci.com/products/s57c1145842 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b572ffbdbe9a4e2f694193680583553.jpg?v=1776401442 Tenapanor Hydrochloride | 1234365-97-9 Tenapanor Hydrochloride|C1145842|1234365-97-9 https://www.jk-sci.com/products/s57c1175567 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc3d2c67afa8c3e671a8cf7213e566b1.jpg?v=1776401461 Methyl 4,5-dichloropicolinate | 1256834-28-2 Methyl 4,5-dichloropicolinate|C1175567|1256834-28-2 https://www.jk-sci.com/products/j5328221 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9980f83dba9faab5f6e57c53e5c1b41.jpg?v=1776357446 2-(5-Isoxazolyl)-4-methylphenol | 164171-56-6 2-(5-Isoxazolyl)-4-methylphenol|28221|164171-56-6 https://www.jk-sci.com/products/s57c1186491 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80eeada6e89883843bceda5c5d69f3f2.jpg?v=1776401476 Enarodustat | 1262132-81-9 Enarodustat|C1186491|1262132-81-9 https://www.jk-sci.com/products/j5328236 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab09de9e0d0bbf53626e272f5d999a76.jpg?v=1776357481 6-Amino-2-pyridinecarboxylic acid methyl ester | 36052-26-3 6-Amino-2-pyridinecarboxylic acid methyl ester|28236|36052-26-3 https://www.jk-sci.com/products/j5328249 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/816e5c6a37ba7164155e058bd65e97dd.jpg?v=1776357521 2,3-Dibromopyridine | 13534-89-9 2,3-Dibromopyridine|28249|13534-89-9 https://www.jk-sci.com/products/j5328284 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f390fb0504f513a04e054cfd18c3fa72.jpg?v=1776357617 4-Hydroxy-6-(trifluoromethyl)quinoline-3-carboxylic acid | 49713-47-5 4-Hydroxy-6-(trifluoromethyl)quinoline-3-carboxylic acid|28284|49713-47-5 https://www.jk-sci.com/products/j5328267 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaaac0f5c2c6706ab7c1795a31d94eb2.jpg?v=1776357577 2,6-Dibromo-3,5-dimethylpyridine | 117846-58-9 2,6-Dibromo-3,5-dimethylpyridine|28267|117846-58-9 https://www.jk-sci.com/products/j5328276 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc5940e1366395ffd264fe645daaf72f.jpg?v=1776357600 2-Bromo-6-ethoxypyridine | 4645-11-8 2-Bromo-6-ethoxypyridine|28276|4645-11-8 https://www.jk-sci.com/products/j5328258 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2013cead92320fe5f702b0e69472541c.jpg?v=1776357548 2-Cyano-6-bromopyridine | 122918-25-6 2-Cyano-6-bromopyridine|28258|122918-25-6 https://www.jk-sci.com/products/s57c1202572 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8295351ee27d16fe0eae8da26054218.jpg?v=1776401494 1-(2-((3,4-Dimethylphenyl)thio)phenyl)piperazine | 1293489-74-3 1-(2-((3,4-Dimethylphenyl)thio)phenyl)piperazine|C1202572|1293489-74-3 https://www.jk-sci.com/products/j5328290 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ec712d71d4bf714acf0b18f3aa015d1.jpg?v=1776357634 2-Bromo-3-methylpyridine | 3430-17-9 2-Bromo-3-methylpyridine|28290|3430-17-9 https://www.jk-sci.com/products/j5328350 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e61bf28158227bb6bea2e13793eb5f1.jpg?v=1776357752 3-Chloro-2-nitropyridine | 54231-32-2 3-Chloro-2-nitropyridine|28350|54231-32-2 https://www.jk-sci.com/products/j5328306 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf6b567e6a9e8f12b6c8bf24e88fb436.jpg?v=1776357667 4-Bromo-3-nitrobenzoic acid | 6319-40-0 4-Bromo-3-nitrobenzoic acid|28306|6319-40-0 https://www.jk-sci.com/products/j5328367 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd3735b2cba3e13af69bb28db9e51f54.jpg?v=1776357776 3-Hydroxy-5-methylpyridine | 42732-49-0 3-Hydroxy-5-methylpyridine|28367|42732-49-0 https://www.jk-sci.com/products/j5328388 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6068276c77137cf17160616ebb00b742.jpg?v=1776357821 2,3:4,5-Di-O-isopropylidene-b-D-fructopyranose | 20880-92-6 2,3:4,5-Di-O-isopropylidene-b-D-fructopyranose|28388|20880-92-6 https://www.jk-sci.com/products/s57c1320305 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d788c7e303a6d68d3fbb4ba14bfadf83.jpg?v=1776401725 6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine | 14903-73-2 6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine|C1320305|14903-73-2 https://www.jk-sci.com/products/j5328399 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a54ddf64d896bf630410e59c305dadef.jpg?v=1776357847 2-Pyrazinecarboxylic acid ethyl ester | 6924-68-1 2-Pyrazinecarboxylic acid ethyl ester|28399|6924-68-1 https://www.jk-sci.com/products/j5328448 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/614fa6d520fb8a4a77d18a7dd8dfaacb.jpg?v=1776357951 2-Amino-3-bromo-5-chloropyridine | 26163-03-1 2-Amino-3-bromo-5-chloropyridine|28448|26163-03-1 https://www.jk-sci.com/products/j5328436 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df7ecc2fb4ac0d140c1e1b6fb93076bd.jpg?v=1784619419 2',2'-Difluoro-2'-deoxycytidine | 95058-81-4 2',2'-Difluoro-2'-deoxycytidine|28436|95058-81-4 https://www.jk-sci.com/products/s57c4x-303320 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1b4f46de-6d4e-483a-b05b-dde6b5abb229.png?v=1774640906 Dabrafenib Impurity 20 Dabrafenib Impurity 20|C4X-303320 https://www.jk-sci.com/products/j5328478 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d69db13f0dad96f306b36adce748a630.jpg?v=1776358019 2-Chloroquinoline-3-boronic acid | 128676-84-6 2-Chloroquinoline-3-boronic acid|28478|128676-84-6 https://www.jk-sci.com/products/j5328494 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fc1cb00190597732839516696c9ce40.jpg?v=1776358047 5-Maleimidovalericacid-NHS | 103750-03-4 5-Maleimidovalericacid-NHS|28494|103750-03-4 https://www.jk-sci.com/products/s57c4x-30351 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f214ca638785398e6d42fd7947b514ab.jpg?v=1776418928 Cefovecin Sodium | 141195-77-9 Cefovecin Sodium|C4X-30351|141195-77-9 https://www.jk-sci.com/products/s57c1324711 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcee106ab1196301c4a5180f904e84d2.jpg?v=1776401730 Boc-D-Leu-Leu-OH | 150211-67-9 Boc-D-Leu-Leu-OH|C1324711|150211-67-9 https://www.jk-sci.com/products/s57c1531888 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38956830c3a1026c933bd64d158f8efb.jpg?v=1776402090 1,2,3,4-Tetrahydro-4,8-dihydroxy-2-methylisoquinoline Hydrochloride | 2514676-44-7 1,2,3,4-Tetrahydro-4,8-dihydroxy-2-methylisoquinoline Hydrochloride|C1531888|2514676-44-7 https://www.jk-sci.com/products/j5328516 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7038745c90d9e8611940e1617d4e2648.jpg?v=1776358104 3-Chloro-4-nitrobenzoic acid | 39608-47-4 3-Chloro-4-nitrobenzoic acid|28516|39608-47-4 https://www.jk-sci.com/products/j5328521 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7735adbef2d3c9cf3807496460db2d4.jpg?v=1776358115 4-Amino-2-bromopyridine | 7598-35-8 4-Amino-2-bromopyridine|28521|7598-35-8 https://www.jk-sci.com/products/j5328524 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/747211e172bab6c0f86a01a8ac2f6e19.jpg?v=1776358122 2-Chloro-4-hydroxypyridine | 17368-12-6 2-Chloro-4-hydroxypyridine|28524|17368-12-6 https://www.jk-sci.com/products/s57c1544780 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a44cc713395a419e8e9092a08296a5d5.jpg?v=1776402126 1-Boc-4-nitrosopiperazine | 877177-42-9 1-Boc-4-nitrosopiperazine|C1544780|877177-42-9 https://www.jk-sci.com/products/j5328534 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42d0716595bfafa0ade4b0b9555a63da.jpg?v=1776358152 2,4,5-Trichlorobenzoic acid | 50-82-8 2,4,5-Trichlorobenzoic acid|28534|50-82-8 https://www.jk-sci.com/products/j5328527 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ae1d5d266b2c659eb40516f96c5e7ea.jpg?v=1776358132 4-Bromo-3-methylpyridine hydrochloride | 40899-37-4 4-Bromo-3-methylpyridine hydrochloride|28527|40899-37-4 https://www.jk-sci.com/products/j5328542 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e55afb6f10ce98357490cf1115eda4f9.jpg?v=1776358172 5-(Furan-2-yl)-1,3,4-oxadiazole-2-amine | 7659-06-5 5-(Furan-2-yl)-1,3,4-oxadiazole-2-amine|28542|7659-06-5 https://www.jk-sci.com/products/s57c1550618 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4069be9715210e30f518a4ad69969e9.jpg?v=1776402146 1H-Pyrrole-2-carbaldehyde | 254729-95-8 1H-Pyrrole-2-carbaldehyde|C1550618|254729-95-8 https://www.jk-sci.com/products/s57c1598713 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/247413.png?v=1774966635 2,4-Dichloro-5-fluorobenzoyl Chloride | 86393-34-2 2,4-Dichloro-5-fluorobenzoyl Chloride|C1598713|86393-34-2 https://www.jk-sci.com/products/j5328552 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d49f564c50da236ebab29076493676d7.jpg?v=1776358197 2-Amino-3-formylpyridine | 7521-41-7 2-Amino-3-formylpyridine|28552|7521-41-7 https://www.jk-sci.com/products/s57c4x-304115 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/260711_e020885a-4495-4f3a-9087-36378049ce67.png?v=1775153491 Difelikefalin Impurity 15 | 368866-07-3 Difelikefalin Impurity 15|C4X-304115|368866-07-3 https://www.jk-sci.com/products/s57c1632324 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b7de68351989f00e89ff8e1436c10ec.jpg?v=1776402326 2-Methoxy-2,4,4-trimethylpentane | 62108-41-2 2-Methoxy-2,4,4-trimethylpentane|C1632324|62108-41-2 https://www.jk-sci.com/products/s57c1709575 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fd270b51d094c857cb7f7942f3e24a1.jpg?v=1776402453 4-[4-(4-Chloro-phenyl)-4-hydroxy-piperidin-1-yl]-2,2-diphenyl-butyric acid | 82103-70-6 4-[4-(4-Chloro-phenyl)-4-hydroxy-piperidin-1-yl]-2,2-diphenyl-butyric acid|C1709575|82103-70-6 https://www.jk-sci.com/products/j5328568 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fe8201baa306833e329a047c966eeaf.jpg?v=1776358227 Rhodium(III) nitrate hydrate | 13465-43-5 Rhodium(III) nitrate hydrate|28568|13465-43-5 https://www.jk-sci.com/products/s57c1723724 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8b10c9eb55189c18fb8fe2d57d83a2a.jpg?v=1776402495 4-Fluoro-2-methoxy-6-nitroaniline | 2092773-15-2 4-Fluoro-2-methoxy-6-nitroaniline|C1723724|2092773-15-2 https://www.jk-sci.com/products/j5328576 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa5adb103cb0b9fd0aa54d73706baf0c.jpg?v=1776358247 3-Iodopyridine-2-carboxylic acid | 73841-32-4 3-Iodopyridine-2-carboxylic acid|28576|73841-32-4 https://www.jk-sci.com/products/s57c1762685 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22ac0179f7b1b11b374a5f63230362bf.jpg?v=1776402544 6-(4-Methylpiperazin-1-yl)-4-(o-tolyl)nicotinamide | 342417-01-0 6-(4-Methylpiperazin-1-yl)-4-(o-tolyl)nicotinamide|C1762685|342417-01-0 https://www.jk-sci.com/products/j5328585 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90b54ab83e4c0e776093ff6984417334.jpg?v=1776358271 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid ethyl ester | 111493-74-4 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid ethyl ester|28585|111493-74-4 https://www.jk-sci.com/products/j5328582 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed82c1329c6a04514366dc99d3c9c687.jpg?v=1776358264 4-Amino-3-bromopyridine | 13534-98-0 4-Amino-3-bromopyridine|28582|13534-98-0 https://www.jk-sci.com/products/j5328599 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e5314bc49797dab7243775d8dc7f731_a0283e5b-9abb-40db-b36b-d125da5d2bc3.jpg?v=1776358292 2-Bromo-4-ethylpyridine | 54453-91-7 2-Bromo-4-ethylpyridine|28599|54453-91-7 https://www.jk-sci.com/products/j5328605 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2040079ce283b481a04e9a6cd985910.jpg?v=1776358306 4-(2-Hydroxyethyl)benzoic acid | 46112-46-3 4-(2-Hydroxyethyl)benzoic acid|28605|46112-46-3 https://www.jk-sci.com/products/j5328612 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0d45ab6f73bc6eaa6f96fa9ebf59465.jpg?v=1776358320 Methyl 4-formyl-1H-pyrrole-2-carboxylate | 40611-79-8 Methyl 4-formyl-1H-pyrrole-2-carboxylate|28612|40611-79-8 https://www.jk-sci.com/products/s57c1789366 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6c5d72c263eb357a6c18668b41b9f81.jpg?v=1776402601 1,2,3-Triazine | 289-96-3 1,2,3-Triazine|C1789366|289-96-3 https://www.jk-sci.com/products/j5328620 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/daef267185361f6ded02d7178cbf1e68.jpg?v=1776358339 3-Butynoic acid | 2345-51-9 3-Butynoic acid|28620|2345-51-9 https://www.jk-sci.com/products/s57c4x-304149 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2eb46ebd-9506-47ef-be33-72922b227758.png?v=1774965849 Difelikefalin Impurity 49 Difelikefalin Impurity 49|C4X-304149 https://www.jk-sci.com/products/s57c1806085 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/149533_1939c734-2ab2-4d6e-bc0a-1aceee156408.png?v=1774966672 Edoxaban Impurity 110 | 45644-21-1 Edoxaban Impurity 110|C1806085|45644-21-1 https://www.jk-sci.com/products/s57c1841220 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102136.png?v=1774966678 Methyl 3-Hydroxy-4-nitrobenzoate | 713-52-0 Methyl 3-Hydroxy-4-nitrobenzoate|C1841220|713-52-0 https://www.jk-sci.com/products/s57c1922932 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520175.png?v=1774966684 Propargyl Chloride | 624-65-7 Propargyl Chloride|C1922932|624-65-7 https://www.jk-sci.com/products/j5328623 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d868a44bdd3f393445b0b47e341451a.jpg?v=1776358345 3'-Iodo-4'-methoxyacetophenone | 79324-77-9 3'-Iodo-4'-methoxyacetophenone|28623|79324-77-9 https://www.jk-sci.com/products/s57c3d-2515 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270392_fbf3a23e-62a2-44a8-a668-d8426089b91f.png?v=1774966690 O-Methyl-L-tyrosine | 6230-11-1 O-Methyl-L-tyrosine|C3D-2515|6230-11-1 https://www.jk-sci.com/products/s57c4x-304212 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9e0626ac-235b-43b5-b26b-a088571ceeda.png?v=1774666074 Lemborexant impurity 12 Lemborexant impurity 12|C4X-304212 https://www.jk-sci.com/products/j5328626 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abce271a8565a6a067861429a73c95c9.jpg?v=1776358355 4-Acetamido-2-methylbenzonitrile | 321162-59-8 4-Acetamido-2-methylbenzonitrile|28626|321162-59-8 https://www.jk-sci.com/products/j5328631 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d18f776d5180f77016938ec13ab870d.jpg?v=1776358369 2-Bromo-4-methoxyphenylacetic acid | 66916-99-2 2-Bromo-4-methoxyphenylacetic acid|28631|66916-99-2 https://www.jk-sci.com/products/s57c3d-3972 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/537979.png?v=1774966695 4,4＇-Difluorodiphenylmethylchloride | 27064-94-4 4,4＇-Difluorodiphenylmethylchloride|C3D-3972|27064-94-4 https://www.jk-sci.com/products/s57c3d-4410 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/474919.png?v=1774966700 DL-Methionine Sulfone | 820-10-0 DL-Methionine Sulfone|C3D-4410|820-10-0 https://www.jk-sci.com/products/s57c3d-5584 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/443077.png?v=1774966704 2,4,6-Trihydroxybenzoic Acid Monohydrate | 71989-93-0 2,4,6-Trihydroxybenzoic Acid Monohydrate|C3D-5584|71989-93-0 https://www.jk-sci.com/products/j5328637 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a192f5c487779f5067b94df3c4de329.jpg?v=1776358381 2-Bromobenzothiazole | 2516-40-7 2-Bromobenzothiazole|28637|2516-40-7 https://www.jk-sci.com/products/j5328658 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b88ce2ee8a426d2dc77ef217693937d3.jpg?v=1776358421 5-Bromopyridine-3-boronic acid | 452972-09-7 5-Bromopyridine-3-boronic acid|28658|452972-09-7 https://www.jk-sci.com/products/j5328668 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/743d61951b1b23a1057c6fbe2bea4800.jpg?v=1776358438 3-Bromo-5-iodopyridine | 233770-01-9 3-Bromo-5-iodopyridine|28668|233770-01-9 https://www.jk-sci.com/products/s57c3d-6056 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c52e01c19cc6aa4b6e12b3e20619b00.jpg?v=1776403983 Chlorobutanol | 1320-66-7 Chlorobutanol|C3D-6056|1320-66-7 https://www.jk-sci.com/products/s57c4x-104534 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/255852.png?v=1774966730 Amisulpride Impurity 34 | 22795-97-7 Amisulpride Impurity 34|C4X-104534|22795-97-7 https://www.jk-sci.com/products/s57c4x-30425 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17559809f2538da1106a916e3942bf01.jpg?v=1776418937 Lemborexant impurity 5 | 2541020-22-6 Lemborexant impurity 5|C4X-30425|2541020-22-6 https://www.jk-sci.com/products/s57c4x-1079108 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4c4f7bcbd9ab166e7ba79d3d412b908.jpg?v=1776406102 Tofacitinib Impurity 108 DiHCl | 1354486-07-9 Tofacitinib Impurity 108 DiHCl|C4X-1079108|1354486-07-9 https://www.jk-sci.com/products/j5328671 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e797ec5a51e70a14b22c21502c8f4773.jpg?v=1776358447 2-Hydroxy-5-methylpyridine | 1003-68-5 2-Hydroxy-5-methylpyridine|28671|1003-68-5 https://www.jk-sci.com/products/j5328686 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d352a6c130204cb0d3e95b2f9a447ef.jpg?v=1776358473 6-Amino-2,3-difluorophenol | 115551-33-2 6-Amino-2,3-difluorophenol|28686|115551-33-2 https://www.jk-sci.com/products/s57c4x-108369 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3ee091fb-60cd-44e6-b4af-8605dc6c4cc7.png?v=1774966793 Levocetirizine Impurity 69 Levocetirizine Impurity 69|C4X-108369 https://www.jk-sci.com/products/s57c4x-304223 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bf650d126d231772193d8ad9bbc317d.jpg?v=1776418934 Lemborexant Impurity 23 | 3037659-15-4 Lemborexant Impurity 23|C4X-304223|3037659-15-4 https://www.jk-sci.com/products/s57c4x-118754 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55fdcc85e4e867cdf5cb34d1720d6aea.jpg?v=1776408957 rac-Tamsulosin EP Impurity H HCl | 1510821-28-9 rac-Tamsulosin EP Impurity H HCl|C4X-118754|1510821-28-9 https://www.jk-sci.com/products/j5328694 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a1bb0efeb4c4d533dfa745d1c066e53e.jpg?v=1776358490 2-Bromo-5-fluoro-6-methylpyridine | 374633-38-2 2-Bromo-5-fluoro-6-methylpyridine|28694|374633-38-2 https://www.jk-sci.com/products/s57c4x-12128 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b53061c1dfd5915ae263e6365f4fdf2.jpg?v=1776409321 Ceftazidime EP Impurity H | 1354396-23-8 Ceftazidime EP Impurity H|C4X-12128|1354396-23-8 https://www.jk-sci.com/products/j5328699 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/857b7a689b2d7f1d1a5042725b2bab1b.jpg?v=1776358504 2-Bromo-3-amine-6-methylpyridine | 126325-53-9 2-Bromo-3-amine-6-methylpyridine|28699|126325-53-9 https://www.jk-sci.com/products/s57c4x-13009 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92a6b1075116761d67142fef50deaeae.jpg?v=1776410097 Tacrolimus EP Impurity E | 104987-30-6 Tacrolimus EP Impurity E|C4X-13009|104987-30-6 https://www.jk-sci.com/products/j5328707 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e20673a967bbd265aa2ca77d9430e6a.jpg?v=1776358520 2-Amino-3-bromo-6-methylpyridine | 126325-46-0 2-Amino-3-bromo-6-methylpyridine|28707|126325-46-0 https://www.jk-sci.com/products/j5328716 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/900ea2418886ebabf21b64e09afff7e6.jpg?v=1776358545 2-Fluoro-5-iodopyridine | 171197-80-1 2-Fluoro-5-iodopyridine|28716|171197-80-1 https://www.jk-sci.com/products/j5327749 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c6c073b9e282f2179b1234c3ac30c7c.jpg?v=1776356526 3-Methyl-1-benzofuran-2-carboxylic acid | 24673-56-1 3-Methyl-1-benzofuran-2-carboxylic acid|27749|24673-56-1 https://www.jk-sci.com/products/j5327047 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c0357c8150e6a77f89eeae3ac8e9ec6.jpg?v=1776354738 3,5-Dichloropyridine | 2457-47-8 3,5-Dichloropyridine|27047|2457-47-8 https://www.jk-sci.com/products/j5327978 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd61780f619cebabbcce191f41860511.jpg?v=1776357031 1-Methyl-2-formylbenzimidazole | 3012-80-4 1-Methyl-2-formylbenzimidazole|27978|3012-80-4 https://www.jk-sci.com/products/s57c4x-133236 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b2b70f65638a9eb6808e32e98ea3c69.jpg?v=1776410373 Nafamostat Impurity 36 | 765871-54-3 Nafamostat Impurity 36|C4X-133236|765871-54-3 https://www.jk-sci.com/products/j5328109 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f27bbfb1afb81cdc6ee00a07f9da663c.jpg?v=1776357194 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate | 38894-11-0 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate|28109|38894-11-0 https://www.jk-sci.com/products/j5328295 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3bf47d82d9e6ee7c85496f16612cfad9.jpg?v=1776357643 6-Bromonicotinamide | 889676-37-3 6-Bromonicotinamide|28295|889676-37-3 https://www.jk-sci.com/products/s57c4x-138843 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dadc537816aefba53eeea7acb02f0b3.jpg?v=1776411082 Azacitidine Impurity 43 | 13913-16-1 Azacitidine Impurity 43|C4X-138843|13913-16-1 https://www.jk-sci.com/products/s57c1118100 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f811f3c59716eed814fcf372e3019812.jpg?v=1776401396 3-[3-(piperidin-1-yl)propoxy]propan-1-ol | 1209368-89-7 3-[3-(piperidin-1-yl)propoxy]propan-1-ol|C1118100|1209368-89-7 https://www.jk-sci.com/products/j5327900 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06ef5eb4ad0a48ede651b9d96845a4d2.jpg?v=1776356847 2-Acetamido-6-methylpyridine | 5327-33-3 2-Acetamido-6-methylpyridine|27900|5327-33-3 https://www.jk-sci.com/products/j5328392 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb86b725242d849681a68559fd1b1237.jpg?v=1776357827 3,4-Diaminobenzonitrile | 17626-40-3 3,4-Diaminobenzonitrile|28392|17626-40-3 https://www.jk-sci.com/products/j5327504 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdaa850ca67a98cd5f4f20bd1c15c982.jpg?v=1776355937 4-Methoxyphenylmethylsulfone | 3517-90-6 4-Methoxyphenylmethylsulfone|27504|3517-90-6 https://www.jk-sci.com/products/j5328148 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2f41da579625e5506c0639159b59161.jpg?v=1776357311 2-Bromo-6-chloropyridine | 5140-72-7 2-Bromo-6-chloropyridine|28148|5140-72-7 https://www.jk-sci.com/products/s57c1237566 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd790b2997cf1d02c8ed7cad06f46149.jpg?v=1776401576 5-Fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile | 1350653-26-7 5-Fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile|C1237566|1350653-26-7 https://www.jk-sci.com/products/j5328238 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53fc129dec9fbbad9a2d5feff0b9cef9.jpg?v=1776357487 3,6-Dibromopyridazine | 17973-86-3 3,6-Dibromopyridazine|28238|17973-86-3 https://www.jk-sci.com/products/j5328444 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91866408635a9f5fdc7c5e2cbe9bfdc2.jpg?v=1776357935 2-Bromo-3-nitropyridine | 19755-53-4 2-Bromo-3-nitropyridine|28444|19755-53-4 https://www.jk-sci.com/products/s57c1301655 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4cf50b41-a17a-4b8f-babd-138aa78bff26.png?v=1774969147 Rizatriptan impurity 20 Oxalate Rizatriptan impurity 20 Oxalate|C1301655 https://www.jk-sci.com/products/s57c1600684 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2427f7d37b8f531931e090cbbe01393.jpg?v=1776402248 2,5-Dichloro-4-methoxybenzoic acid | 2500-03-0 2,5-Dichloro-4-methoxybenzoic acid|C1600684|2500-03-0 https://www.jk-sci.com/products/s57c1730965 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82dce593d5ec6513fb683eba080f2e08.jpg?v=1776402500 O,O-(Butane-1,4-diyl) bis(4-hydroxybutyl) Diterephthalate | 29278-67-9 O,O-(Butane-1,4-diyl) bis(4-hydroxybutyl) Diterephthalate|C1730965|29278-67-9 https://www.jk-sci.com/products/s57c1923503 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/552779.png?v=1774969177 1,2-Dibromo-4,5-difluorobenzene | 64695-78-9 1,2-Dibromo-4,5-difluorobenzene|C1923503|64695-78-9 https://www.jk-sci.com/products/s57c3d-2004 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/208394_fdf045cf-76a1-4cdd-bf63-39479d27c18d.png?v=1774969183 1,3-Dibromopropane | 109-64-8 1,3-Dibromopropane|C3D-2004|109-64-8 https://www.jk-sci.com/products/j5328277 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71396c46d393de94522b856b7f42e13d.jpg?v=1776357604 3-Nitropyridine | 2530-26-9 3-Nitropyridine|28277|2530-26-9 https://www.jk-sci.com/products/j5328361 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bb7b00de718c56d696c437ec7891b43.jpg?v=1776357767 4-Methyl-2H-1,4-benzoxazin-3(4H)-one | 21744-84-3 4-Methyl-2H-1,4-benzoxazin-3(4H)-one|28361|21744-84-3 https://www.jk-sci.com/products/j5328262 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e72daad6aa02cc7ec11a4d4da70ff6a2.jpg?v=1776357562 2-Chloro-3-methylpyridine | 18368-76-8 2-Chloro-3-methylpyridine|28262|18368-76-8 https://www.jk-sci.com/products/j5328214 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caa0485e41c27240a79da8c3b056251d.jpg?v=1776357430 4-(Methylsulfonyl)phenylacetic acid | 90536-66-6 4-(Methylsulfonyl)phenylacetic acid|28214|90536-66-6 https://www.jk-sci.com/products/j5328465 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/625acc1e80c5931ee450310b969c6e94.jpg?v=1776357989 Octylboronic acid | 28741-08-4 Octylboronic acid|28465|28741-08-4 https://www.jk-sci.com/products/j5328506 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4784aaa6cd41637c52c7a0d2f238355c.jpg?v=1776358079 5-Phenyl-2H-tetrazole | 18039-42-4 5-Phenyl-2H-tetrazole|28506|18039-42-4 https://www.jk-sci.com/products/s57c3d-2248 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341236.png?v=1774969190 glycylglycyl-L-tyrosine | 17343-07-6 glycylglycyl-L-tyrosine|C3D-2248|17343-07-6 https://www.jk-sci.com/products/s57c3d-2475 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4e4683c26a0bf9b30847e95d4bd3f3b.jpg?v=1776403362 N-(2-acetylphenyl)acetamide | 5234-26-4 N-(2-acetylphenyl)acetamide|C3D-2475|5234-26-4 https://www.jk-sci.com/products/s57c3d-262174 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8c3113edb84b0843af6ffed5204d0f5.jpg?v=1776403477 Isopropyl 2-nitrobenzenesulfonate | 64704-10-5 Isopropyl 2-nitrobenzenesulfonate|C3D-262174|64704-10-5 https://www.jk-sci.com/products/j5328522 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ddd43d9d8b51590602fb4e9a95e17fb.jpg?v=1776358118 2-Bromo-4-pyridinecarboxylic acid | 66572-56-3 2-Bromo-4-pyridinecarboxylic acid|28522|66572-56-3 https://www.jk-sci.com/products/s57c3d-2885 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/317468.png?v=1779263996 Di-tert-butyl dicarbonate | 24424-99-5 Di-tert-butyl dicarbonate|C3D-2885|24424-99-5 https://www.jk-sci.com/products/s57c4x-30429 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c3d-5622 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60abfd709cdb4a7bec9d190d43f67e2e.jpg?v=1776403873 3-Pyridinecarboxaldehyde | 500-22-1 3-Pyridinecarboxaldehyde|C3D-5622|500-22-1 https://www.jk-sci.com/products/s57c4x-30532 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc44ca1cb134c33982a4eddde983af94.jpg?v=1776418946 Selumetinib Impurity 2 | 606144-04-1 Selumetinib Impurity 2|C4X-30532|606144-04-1 https://www.jk-sci.com/products/s57c3d-5963 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/465695_e7a885e5-851a-480c-a563-6868c85a9c9a.png?v=1774969240 5-Bromo-2-chloropyrimidine | 32779-36-5 5-Bromo-2-chloropyrimidine|C3D-5963|32779-36-5 https://www.jk-sci.com/products/j5328549 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ee90b9291deb11f3c31e65a5a5a5164.jpg?v=1776358191 Boc-3-Amino-4-methoxybenzoic acid | 306937-12-2 Boc-3-Amino-4-methoxybenzoic acid|28549|306937-12-2 https://www.jk-sci.com/products/j5328530 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4dfd1cf77fed42d26914ad4d412901c.jpg?v=1776358139 3-Chloropyridine-2-carboxylic acid | 57266-69-0 3-Chloropyridine-2-carboxylic acid|28530|57266-69-0 https://www.jk-sci.com/products/j5328583 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49207181183f03c39807558c7183c2a5.jpg?v=1776358268 2-Chloro-5-methyl-3-nitropyridine | 23056-40-8 2-Chloro-5-methyl-3-nitropyridine|28583|23056-40-8 https://www.jk-sci.com/products/j5328602 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22eb9acbc93c0260d8c6036e8989cd04.jpg?v=1776358298 4-Hydroxy-3-methylbenzoic acid hydrate | 499-76-3 4-Hydroxy-3-methylbenzoic acid hydrate|28602|499-76-3 https://www.jk-sci.com/products/j5328575 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96f331e7c60c5ab13aed41ed8d3a3e3c.jpg?v=1776358243 7-Chloro-1-tetralone | 26673-32-5 7-Chloro-1-tetralone|28575|26673-32-5 https://www.jk-sci.com/products/j5328615 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b36d9b7263e377c492ffcc52b3ecb43d.jpg?v=1776358329 2-(2-bromoacetyl)pyridine hydrobromide | 17570-98-8 2-(2-bromoacetyl)pyridine hydrobromide|28615|17570-98-8 https://www.jk-sci.com/products/j5328625 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b9593c8d98f62c29f637476dc2e9644.jpg?v=1776358351 4'-Acetamido-2'-methylacetophenone | 34956-31-5 4'-Acetamido-2'-methylacetophenone|28625|34956-31-5 https://www.jk-sci.com/products/s57c4x-10181 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536826.png?v=1774969245 Choline Fenofibrate EP Impurity A | 42019-78-3 Choline Fenofibrate EP Impurity A|C4X-10181|42019-78-3 https://www.jk-sci.com/products/s57c4x-101938 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/365981_c114b9a5-4fbc-41eb-bf82-5994a52408eb.png?v=1774966725 Fluconazole Impurity 38 | 1774-47-6 Fluconazole Impurity 38|C4X-101938|1774-47-6 https://www.jk-sci.com/products/s57c4x-30742 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8ff7e3c0-2033-409c-ace1-320eec8da3ae.png?v=1775143475 Morantel Impurity 2 Morantel Impurity 2|C4X-30742 https://www.jk-sci.com/products/s57c4x-10497 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e358a906eab7422f79e0c3f3dd4b69d.jpg?v=1776405082 Saxagliptin Impurity 7 | 1564266-54-1 Saxagliptin Impurity 7|C4X-10497|1564266-54-1 https://www.jk-sci.com/products/s57c4x-31071 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257620_133300ab-ce8e-4195-9f7a-4081d9261fe5.png?v=1774673027 L-Homoserine Lactone HCl | 104347-13-9 L-Homoserine Lactone HCl|C4X-31071|104347-13-9 https://www.jk-sci.com/products/s57c4x-105279 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3714df730a9b3c5bfebcfd1f0604f77d_baed8a90-a9b1-412c-b112-6e80f1e276eb.jpg?v=1776405137 Sofosbuvir Impurity 79 | 863329-66-2 Sofosbuvir Impurity 79|C4X-105279|863329-66-2 https://www.jk-sci.com/products/s57c4x-1056120 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aaa70101-35de-4caf-9ffa-5c7d57edfa86.png?v=1774969253 Vortioxetine Impurity 120 HCl Vortioxetine Impurity 120 HCl|C4X-1056120 https://www.jk-sci.com/products/j5328634 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aeea53ea775849f1ef41e5446b3d9e70.jpg?v=1776358378 (3-Benzyloxyphenyl)acetic acid | 1860-58-8 (3-Benzyloxyphenyl)acetic acid|28634|1860-58-8 https://www.jk-sci.com/products/j5328663 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8048c1cb4e0ed50b36334d98e0808889.jpg?v=1776358424 N-Boc-3-amino-2-benzylpropionic acid | 26250-90-8 N-Boc-3-amino-2-benzylpropionic acid|28663|26250-90-8 https://www.jk-sci.com/products/s57c4x-105760 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f4b2df91256aaca76c2979583a1cb49.jpg?v=1776405372 Valsartan Impurity 60 | 135689-93-9 Valsartan Impurity 60|C4X-105760|135689-93-9 https://www.jk-sci.com/products/s57c4x-106013 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5261471042e5da010dd01eccfd17058f.jpg?v=1776405433 Bromhexine Impurity 13 | 1660957-96-9 Bromhexine Impurity 13|C4X-106013|1660957-96-9 https://www.jk-sci.com/products/j5328682 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f3181cec01a0483fc6d47afad370f6d.jpg?v=1776358469 O-Benzyl-o-aminophenol | 20012-63-9 O-Benzyl-o-aminophenol|28682|20012-63-9 https://www.jk-sci.com/products/j5328697 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91dc1cd53e169b211998b20461688c99.jpg?v=1776358496 2-Methoxy-5-nitro-4-methylpyridine | 6635-90-1 2-Methoxy-5-nitro-4-methylpyridine|28697|6635-90-1 https://www.jk-sci.com/products/s57c4x-312823 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_58ae1688-569f-4bc4-b59b-6c5cebd7bd17.png?v=1774639258 Nemonoxacin Impurity 23 Nemonoxacin Impurity 23|C4X-312823 https://www.jk-sci.com/products/j5328713 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99ed539899e0e5c46b215398c11aab4e.jpg?v=1776358539 2-Fluoro-3-iodopyridine | 113975-22-7 2-Fluoro-3-iodopyridine|28713|113975-22-7 https://www.jk-sci.com/products/j5328734 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2cbcfd36cd667bbbb30b89db4de402a.jpg?v=1776358590 3-Amino-2-hydroxypyridine | 33630-99-8 3-Amino-2-hydroxypyridine|28734|33630-99-8 https://www.jk-sci.com/products/s57c4x-107110 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab069c6d8350dcb70c41735b605509c7.jpg?v=1776405802 Axitinib Acid | 319462-34-5 Axitinib Acid|C4X-107110|319462-34-5 https://www.jk-sci.com/products/s57c4x-312828 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/de3a7239121db9ec73777102c70e27f0.jpg?v=1776418956 Nemonoxacin Impurity 28 | 951163-63-6 Nemonoxacin Impurity 28|C4X-312828|951163-63-6 https://www.jk-sci.com/products/j5328757 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71433de081e7b598d3829bc495b4903c.jpg?v=1776358642 Fmoc-1-amino-1-cyclooctanecarboxylic acid | 222166-38-3 Fmoc-1-amino-1-cyclooctanecarboxylic acid|28757|222166-38-3 https://www.jk-sci.com/products/j5328743 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c490a50b508cc61a722382bfbaab4fd6.jpg?v=1776358610 6,8-Dimethylchromone-2-carboxylic acid | 288399-57-5 6,8-Dimethylchromone-2-carboxylic acid|28743|288399-57-5 https://www.jk-sci.com/products/j5328747 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6acdd6ca9b546203d6d2ecf0ffccb9e9.jpg?v=1776358618 Methyl 3-(3-bromophenyl)-3-oxopropanoate | 294881-10-0 Methyl 3-(3-bromophenyl)-3-oxopropanoate|28747|294881-10-0 https://www.jk-sci.com/products/s57c4x-107167 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a4890fdb-d85f-49a4-8e91-4b9bb7b922a4.png?v=1774969277 Axitinib Impurity 67 Axitinib Impurity 67|C4X-107167 https://www.jk-sci.com/products/j5328768 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ea3fd016f9666147d9d137601994f3e.jpg?v=1776358663 2-Amino-5-bromo-4-methylpyridine | 98198-48-2 2-Amino-5-bromo-4-methylpyridine|28768|98198-48-2 https://www.jk-sci.com/products/s57c4x-107964 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06c122980564d3a3106218dd98e99a8a.jpg?v=1776406164 Tofacitinib Impurity 64 | 2504210-40-4 Tofacitinib Impurity 64|C4X-107964|2504210-40-4 https://www.jk-sci.com/products/s57c4x-11547 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c999650ede85521d352c471b0cb6c4f6.jpg?v=1776408462 Methotrexate EP Impurity G | 2519848-42-9 Methotrexate EP Impurity G|C4X-11547|2519848-42-9 https://www.jk-sci.com/products/s57c4x-12532 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9481e197e8def839b9e82b866c0b800e.jpg?v=1776409865 Gatifloxacin Impurity 2 | 172426-86-7 Gatifloxacin Impurity 2|C4X-12532|172426-86-7 https://www.jk-sci.com/products/s57c4x-12588 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d174ab15-d70a-475f-a862-21add28c8603.png?v=1774969458 Buspirone EP Impurity H HCl Buspirone EP Impurity H HCl|C4X-12588 https://www.jk-sci.com/products/s57c4x-126721 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0e49e57-7ef3-4734-8124-4a3ba7be40fb.png?v=1774969462 Ixazomib Impurity 21 Ixazomib Impurity 21|C4X-126721 https://www.jk-sci.com/products/s57c4x-13367 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/253788.png?v=1774969503 Duloxetine EP Impurity G | 321-38-0 Duloxetine EP Impurity G|C4X-13367|321-38-0 https://www.jk-sci.com/products/j5328771 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6842a5f4a1fb6030da26f9532647f600.jpg?v=1776358670 5-Bromo-2-hydroxy-4-methylpyridine | 164513-38-6 5-Bromo-2-hydroxy-4-methylpyridine|28771|164513-38-6 https://www.jk-sci.com/products/s57c4x-134911 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126555.png?v=1774969515 Terazosin EP Impurity K | 19216-56-9 Terazosin EP Impurity K|C4X-134911|19216-56-9 https://www.jk-sci.com/products/j5328776 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9dc7aaf8bc28e92c51c6edbfcbba6b75.jpg?v=1776358677 Calcium glubionate | 12569-38-9 Calcium glubionate|28776|12569-38-9 https://www.jk-sci.com/products/s57c4x-138413 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc761ace38ee0009370c6f3ab0953e32.jpg?v=1776411034 RivastigmineImpurity 13 | 25081-93-0 RivastigmineImpurity 13|C4X-138413|25081-93-0 https://www.jk-sci.com/products/s57c4x-13925 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/018c432dd25ebd4be08bdc405c65a8ac.jpg?v=1776411174 Famotidine EP Impurity E | 129083-44-9 Famotidine EP Impurity E|C4X-13925|129083-44-9 https://www.jk-sci.com/products/s57c4x-15147 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210562.png?v=1774969612 Norepinephrine EP Impurity F | 103-49-1 Norepinephrine EP Impurity F|C4X-15147|103-49-1 https://www.jk-sci.com/products/s57c1014768 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/444852d4cec95b1bdc1f637e5d94a19c.jpg?v=1776401193 3,4-Difluoro-5-methylbenzoic acid | 1017778-60-7 3,4-Difluoro-5-methylbenzoic acid|C1014768|1017778-60-7 https://www.jk-sci.com/products/s57c1515976 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1333a96ecadf56105b3cce3bc777064.jpg?v=1776402054 1-(3,4-Dimethoxyphenethyl)urea | 25017-47-4 1-(3,4-Dimethoxyphenethyl)urea|C1515976|25017-47-4 https://www.jk-sci.com/products/s57c4x-31283 2026-07-21T11:21:20-07:00 daily https://www.jk-sci.com/products/s57c1602395 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4505bf169cdf006dd67b7bd0a2fe613f.jpg?v=1776402257 2,6-Dichloro-3-methylbenzoic acid | 58671-77-5 2,6-Dichloro-3-methylbenzoic acid|C1602395|58671-77-5 https://www.jk-sci.com/products/s57c1647322 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5a554f0f1ef368d0177597203bcfe92.jpg?v=1776402346 3-(3,4-Dihydroxyphenyl)propanal | 545442-98-6 3-(3,4-Dihydroxyphenyl)propanal|C1647322|545442-98-6 https://www.jk-sci.com/products/s57c1661978 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/399426_8f0f66e8-3ab4-49b4-bd9d-a1fc6f456094.png?v=1774969162 1-Chloromethyl-3,5-dichlorobenzene | 3290-06-0 1-Chloromethyl-3,5-dichlorobenzene|C1661978|3290-06-0 https://www.jk-sci.com/products/s57c1663006 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f6fd67ed-61fa-499a-823d-d9e4142f2324.png?v=1774971414 (3S,6S)-3,6-bis(4-aminobutyl)piperazine-2,5-dione 2HCl (3S,6S)-3,6-bis(4-aminobutyl)piperazine-2,5-dione 2HCl|C1663006 https://www.jk-sci.com/products/s57c1824906 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82f6a195afef2b331203a2de19635475.jpg?v=1776402835 Gadoterate Meglumine | 92943-93-6 Gadoterate Meglumine|C1824906|92943-93-6 https://www.jk-sci.com/products/j5328786 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12103d24eed8f985b82c210ed18ef9f5.jpg?v=1776358693 Fmoc-( S)-3-amino-2-methyl propionic acid | 203854-58-4 Fmoc-( S)-3-amino-2-methyl propionic acid|28786|203854-58-4 https://www.jk-sci.com/products/s57c1894900 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/185a4e2f7565f7e853a3c8391b188095.jpg?v=1776403136 Setiptiline | 57262-94-9 Setiptiline|C1894900|57262-94-9 https://www.jk-sci.com/products/s57c1911304 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9840586ebfc39b867c6d7e36b8a74c7c.jpg?v=1776403202 Vilanterol - API Standards | 503068-34-6 Vilanterol - API Standards|C1911304|503068-34-6 https://www.jk-sci.com/products/s57c1920842 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/348202.png?v=1774971445 O-Methylisourea Sulfate | 52328-05-9 O-Methylisourea Sulfate|C1920842|52328-05-9 https://www.jk-sci.com/products/s57c3d-2281 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504355_f672f892-af6f-44dd-888d-a8f487696113.png?v=1774971451 2,6-dichlorobenzaldehyde | 83-38-5 2,6-dichlorobenzaldehyde|C3D-2281|83-38-5 https://www.jk-sci.com/products/s57c3d-262745 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f331607fa88755f65c06b96ec5b1290.jpg?v=1776403535 Methyl 4-Formyl-3-iodobenzoate | 1219685-34-3 Methyl 4-Formyl-3-iodobenzoate|C3D-262745|1219685-34-3 https://www.jk-sci.com/products/j5328796 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72a9451b938f354d23bebbaf5843d7c0.jpg?v=1776358720 (R)-1-N-Boc-3-(aminomethyl)piperidine | 140645-23-4 (R)-1-N-Boc-3-(aminomethyl)piperidine|28796|140645-23-4 https://www.jk-sci.com/products/s57c3d-2829 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/358246_e9ab7b3c-a888-4645-b7ba-dc6e164cf111.png?v=1774971468 Fmoc-D-Tyr(tBu)-OH | 118488-18-9 Fmoc-D-Tyr(tBu)-OH|C3D-2829|118488-18-9 https://www.jk-sci.com/products/j5328789 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10b177b7a80e1e3d19699723c243210e.jpg?v=1776358703 3-Amino-5-benzyl-4H-1,2,4-triazole | 22819-07-4 3-Amino-5-benzyl-4H-1,2,4-triazole|28789|22819-07-4 https://www.jk-sci.com/products/j5328804 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae496eab9782ce5f4b4afa20352f5a49.jpg?v=1776358748 2,6-Dibromo-3-methylpyridine | 887571-15-5 2,6-Dibromo-3-methylpyridine|28804|887571-15-5 https://www.jk-sci.com/products/j5328801 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51ca9d68f854dce477522ec4d32baaf6.jpg?v=1776358738 3-Amino-5-bromo-2-hydroxypyridine | 98786-86-8 3-Amino-5-bromo-2-hydroxypyridine|28801|98786-86-8 https://www.jk-sci.com/products/j5328815 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dee4fd9d7fca0b305855f4c4ea70e3a4.jpg?v=1776358770 2-Chloro-5-iodo-3-nitropyridine | 426463-05-0 2-Chloro-5-iodo-3-nitropyridine|28815|426463-05-0 https://www.jk-sci.com/products/s57c3d-3667 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/582373_780f63ea-3740-4041-a06f-bdbe0b06732d.png?v=1774971473 Sodium glycollate | 2836-32-0 Sodium glycollate|C3D-3667|2836-32-0 https://www.jk-sci.com/products/j5328826 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70768d1972ef4064e910add3764f6cce.jpg?v=1776358791 2-Amino-4-pyridinecarboxylic acid methyl ester | 6937-03-7 2-Amino-4-pyridinecarboxylic acid methyl ester|28826|6937-03-7 https://www.jk-sci.com/products/s57c4x-102250 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8c4e5b9b-10fd-4d9e-99a6-64a8b67ff41c.png?v=1774969249 Carfilzomib Impurity 50 Carfilzomib Impurity 50|C4X-102250 https://www.jk-sci.com/products/j5328833 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8eea2243240c1177832d0f731c9758dc.jpg?v=1776358812 (R)-3-(Fmoc-amino)-2-methylpropionic acid | 211682-15-4 (R)-3-(Fmoc-amino)-2-methylpropionic acid|28833|211682-15-4 https://www.jk-sci.com/products/s57c4x-102714 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/962dd2cdbcff0beee254be8d3e533f65.jpg?v=1776404677 Rupatadine impurity 14 | 1210824-61-5 Rupatadine impurity 14|C4X-102714|1210824-61-5 https://www.jk-sci.com/products/s57c4x-312832 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fa5caff0-3957-448d-8049-92468b8fd8ce.png?v=1774882466 Nemonoxacin Impurity 32 Nemonoxacin Impurity 32|C4X-312832 https://www.jk-sci.com/products/s57c4x-1065175 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81cc5220b05cbd8fb5ee2ec14d12419e.jpg?v=1776405619 Empagliflozin impurity 175 | 915095-98-6 Empagliflozin impurity 175|C4X-1065175|915095-98-6 https://www.jk-sci.com/products/s57c4x-1079100 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78056285-9efd-490b-a86e-49dbb694a2f1.png?v=1774971560 Tofacitinib Impurity 100 (Enantiomer Mixture) Tofacitinib Impurity 100 (Enantiomer Mixture)|C4X-1079100 https://www.jk-sci.com/products/j5328838 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41f873a3984f3b9cd4dce4124e04a02d.jpg?v=1776358822 5-Bromopyridine-2-carboxylic acid methyl ester | 29682-15-3 5-Bromopyridine-2-carboxylic acid methyl ester|28838|29682-15-3 https://www.jk-sci.com/products/j5328840 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95d915507fcfa7bba848b79dec343ab3.jpg?v=1776358830 2-Bromo-3-amino-4-methylpyridine | 126325-50-6 2-Bromo-3-amino-4-methylpyridine|28840|126325-50-6 https://www.jk-sci.com/products/s57c4x-312835 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9f902f11bde5882aec08cbcb8644e87.jpg?v=1776418966 Nemonoxacin Impurity 35 | 1781915-09-0 Nemonoxacin Impurity 35|C4X-312835|1781915-09-0 https://www.jk-sci.com/products/s57c4x-312839 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3666f00f24fca6c1d11903ecb63b32e4.jpg?v=1776418969 Nemonoxacin Impurity 39 | 221221-39-2 Nemonoxacin Impurity 39|C4X-312839|221221-39-2 https://www.jk-sci.com/products/j5328843 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/187f9ccf3dceea51ea7a80b63ec60bc2.jpg?v=1776358841 2-Chloro-3-bromo-4-methylpyridine | 55404-31-4 2-Chloro-3-bromo-4-methylpyridine|28843|55404-31-4 https://www.jk-sci.com/products/s57c4x-1079117 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/336994_f2a981c0-a8ee-4a4b-91ee-3af61755a07c.png?v=1774971569 Tofacitinib Impurity 117 | 873-83-6 Tofacitinib Impurity 117|C4X-1079117|873-83-6 https://www.jk-sci.com/products/s57c4x-108418 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/125318_e88731c4-2a1a-4b33-b8bf-420eec136704.png?v=1774969308 Roflumilast impurity 18 | 7051-34-5 Roflumilast impurity 18|C4X-108418|7051-34-5 https://www.jk-sci.com/products/j5328853 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44208f58b3867e78df9b0d66921a7933.jpg?v=1776358869 3-Chloro-2-methylpyridine | 72093-03-9 3-Chloro-2-methylpyridine|28853|72093-03-9 https://www.jk-sci.com/products/s57c4x-10849 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8472dc9a85eafa17405686bb462467ee.jpg?v=1776406377 Roflumilast Impurity 9 | 162401-62-9 Roflumilast Impurity 9|C4X-10849|162401-62-9 https://www.jk-sci.com/products/j5328857 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83589b3f9f477d1a71cb5214b5937fdf.jpg?v=1776358884 4-Methyl-2-nitropyridine | 18368-71-3 4-Methyl-2-nitropyridine|28857|18368-71-3 https://www.jk-sci.com/products/s57c4x-312846 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2c9cb4b6-126f-433a-b219-47640f0543d0.png?v=1774880704 Nemonoxacin Impurity 46 Nemonoxacin Impurity 46|C4X-312846 https://www.jk-sci.com/products/s57c4x-10853 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c738c669a6a12fbb2a4890eaa3293e74.jpg?v=1776406388 Ambroxol EP Impurity C | 50910-53-7 Ambroxol EP Impurity C|C4X-10853|50910-53-7 https://www.jk-sci.com/products/s57c4x-108981 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_050519ea-b1df-4b70-aa87-8a18370c33ee.png?v=1774971579 Dabigatran-13C-d3 Dabigatran-13C-d3|C4X-108981 https://www.jk-sci.com/products/s57c4x-109022 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333232_92d92519-6cab-41ce-8a9b-d34af291b615.png?v=1774969323 Rivaroxaban Impurity 22 | 31166-29-7 Rivaroxaban Impurity 22|C4X-109022|31166-29-7 https://www.jk-sci.com/products/s57c4x-312852 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f76990d2-b622-4375-8cb1-77284c2bc11c.png?v=1775076563 Nemonoxacin Impurity 52 Nemonoxacin Impurity 52|C4X-312852 https://www.jk-sci.com/products/s57c4x-11657 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278250_76e026cf-16b1-41ae-88c4-c24499102d0c.png?v=1774971609 Dexamethasone EP Impurity G | 1177-87-3 Dexamethasone EP Impurity G|C4X-11657|1177-87-3 https://www.jk-sci.com/products/s57c4x-124533 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/440296.png?v=1774969450 Cefuroxime Impurity 33 | 1467-70-5 Cefuroxime Impurity 33|C4X-124533|1467-70-5 https://www.jk-sci.com/products/j5328861 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d940bc26c527bb1c962d9366e6b9426.jpg?v=1776358898 5-Chloro-2-methylpyridine | 72093-07-3 5-Chloro-2-methylpyridine|28861|72093-07-3 https://www.jk-sci.com/products/j5328875 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b100503154d4ba28d91f022992b5ed3.jpg?v=1776358936 3-Bromo-4-nitrobenzoic acid | 101420-81-9 3-Bromo-4-nitrobenzoic acid|28875|101420-81-9 https://www.jk-sci.com/products/s57c4x-124854 2026-07-21T11:21:20-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7285a76d-90b4-42e6-90fe-75ff6039fec4.png?v=1774971630 Valaciclovir EP Impurity P(Valaciclovir Related Compound K) 2HCl Valaciclovir EP Impurity P(Valaciclovir Related Compound K) 2HCl|C4X-124854