https://www.jk-sci.com/products/a01995180 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acf60814bacd772316ecfb6693f05663.jpg?v=1776312609 3-Bromotriphenylamine, 98% | 78600-33-6 3-Bromotriphenylamine, 98%|995180|78600-33-6 https://www.jk-sci.com/products/a01996437 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/526237_f905dac8-8273-4903-a745-bd6c62a0342a.png?v=1776312728 Z-N-Me-Phe-OH, 98% | 2899-07-2 Z-N-Me-Phe-OH, 98%|996437|2899-07-2 https://www.jk-sci.com/products/a01994333 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a65a03e6-cb04-4b49-b97d-eb6fe7b27799.png?v=1776312541 Molecular sieves, 13X, particle size: 1 - 2 mm | 63231-69-6 Molecular sieves, 13X, particle size: 1 - 2 mm|994333|63231-69-6 https://www.jk-sci.com/products/a019342292 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_430ca854-653c-4622-9c58-d229abb48672.png?v=1776304678 [S(R)]-N-[(S)-3,5-Bis(trifluoromethyl)phenyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-3,5-Bis(trifluoromethyl)phenyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342292 https://www.jk-sci.com/products/a019342296 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e55f9123-f264-42b5-882a-994dfb5f6bbc.png?v=1776304689 [S(R)]-N-[(S)-(2-Methylphenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(2-Methylphenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342296 https://www.jk-sci.com/products/a019342294 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4ee1407e-ba1f-49ca-8455-f65553954939.png?v=1776304684 [S(R)]-N-[(S)-1-[5-(Diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]ethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-1-[5-(Diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]ethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342294 https://www.jk-sci.com/products/a01994840 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/309840.png?v=1776312588 1-(3,5-Bistrifluoromethylphenyl)-piperazine, 98% | 16172-96-6 1-(3,5-Bistrifluoromethylphenyl)-piperazine, 98%|994840|16172-96-6 https://www.jk-sci.com/products/a019342295 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fe30b0b-0fbd-476f-abc3-d2a2e5804162.png?v=1776304687 [S(R)]-N-[(R)-(2-methylphenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(2-methylphenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342295 https://www.jk-sci.com/products/a01995471 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127824.png?v=1776312652 Phospho(enol)pyruvic acid tri(cyclohexylammonium) salt, 98% | 35556-70-8 Phospho(enol)pyruvic acid tri(cyclohexylammonium) salt, 98%|995471|35556-70-8 https://www.jk-sci.com/products/a01995934 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7d3b9c78-ce94-4ef9-ace7-9d71afef0228.png?v=1776312675 Poly(propylene glycol), average M.W. 1000 | 25322-69-4 Poly(propylene glycol), average M.W. 1000|995934|25322-69-4 https://www.jk-sci.com/products/a01993854 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c4deda1a-be3c-45f0-8eb1-4810034e3385.png?v=1776312503 mPEG-NPC, 95%, average M.W. 5,000 mPEG-NPC, 95%, average M.W. 5,000|993854 https://www.jk-sci.com/products/s57c4x-104962 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f8c9b19f-fe6e-4a03-839c-943d34e24e93.png?v=1774901741 N-Nitroso Saxagliptin Impurity 62 N-Nitroso Saxagliptin Impurity 62|C4X-104962 https://www.jk-sci.com/products/a01993508 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/452577.png?v=1776312463 Imatinib, 98%, an orally bioavailable tyrosine kinases inhibitor that selectively inhibits BCR/ABL, v-Abl, PDGFR and c-kit kinase activity | 152459-95-5 Imatinib, 98%, an orally bioavailable tyrosine kinases inhibitor that selectively inhibits BCR/ABL, v-Abl, PDGFR and c-kit kinase activity|993508|152459-95-5 https://www.jk-sci.com/products/a01993752 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343338_3831ef56-4b1c-4839-860f-1b5baa41cab6.png?v=1776312479 L-Leucylglycine, 98% | 686-50-0 L-Leucylglycine, 98%|993752|686-50-0 https://www.jk-sci.com/products/a01996129 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413199.png?v=1776312698 4-Ethoxycoumarin, 97% | 35817-27-7 4-Ethoxycoumarin, 97%|996129|35817-27-7 https://www.jk-sci.com/products/s57c4x-10516 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622991_e5501421-8658-4ac2-8074-fc8bfd51be60.png?v=1774667616 Diclofenac EP Impurity A | 15362-40-0 Diclofenac EP Impurity A|C4X-10516|15362-40-0 https://www.jk-sci.com/products/a01995305 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/995305.png?v=1776312625 N-(Allyloxycarbonyloxy)succinimide, 95% | 135544-68-2 N-(Allyloxycarbonyloxy)succinimide, 95%|995305|135544-68-2 https://www.jk-sci.com/products/a01996621 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c5f71e4b6a09f2d31df6420c8730184.jpg?v=1776312752 9,10-Anthracenedicarboxylic acid, 96% | 73016-08-7 9,10-Anthracenedicarboxylic acid, 96%|996621|73016-08-7 https://www.jk-sci.com/products/a01996649 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8bd5132f-f3ce-4716-97d2-e7a9c58e72bd.png?v=1776312758 TsO-PEG-OTs, 95%, average M.W. 6,000 TsO-PEG-OTs, 95%, average M.W. 6,000|996649 https://www.jk-sci.com/products/a01996948 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102209.png?v=1776312804 Amprolium hydrochloride, 99% | 137-88-2 Amprolium hydrochloride, 99%|996948|137-88-2 https://www.jk-sci.com/products/s57c4x-105251 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf6ffee4f71e2fc1613f5fbcd98caacc.jpg?v=1776405131 Sofosbuvir Impurity 51 | 1233335-78-8 Sofosbuvir Impurity 51|C4X-105251|1233335-78-8 https://www.jk-sci.com/products/a019342297 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d4f7cfa0-c7e1-4f6a-8c73-8818958b9cd1.png?v=1776304692 [S(R)]-N-[(S)-(4-Methoxyphenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(4-Methoxyphenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342297 https://www.jk-sci.com/products/a01997650 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06c9fe6fc09ce4772b204aadc948d661.jpg?v=1776312875 (R)-(-)-3-Fluoropyrrolidine hydrochloride, 97% | 136725-55-8 (R)-(-)-3-Fluoropyrrolidine hydrochloride, 97%|997650|136725-55-8 https://www.jk-sci.com/products/a01997172 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/997172.png?v=1776312823 (R)-1-Cbz-3-N-Boc-aminopiperidine, 98% | 485820-12-0 (R)-1-Cbz-3-N-Boc-aminopiperidine, 98%|997172|485820-12-0 https://www.jk-sci.com/products/a01997475 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_71854a73-9910-41ec-b585-965a69fa8fbf.png?v=1776312859 mPEG-SAA, 95%, average M.W. 20,000 mPEG-SAA, 95%, average M.W. 20,000|997475 https://www.jk-sci.com/products/a01997215 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225114.png?v=1776312831 5-Nitrothiophene-2-carboxylic acid, 97% | 6317-37-9 5-Nitrothiophene-2-carboxylic acid, 97%|997215|6317-37-9 https://www.jk-sci.com/products/a01998029 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/292210.png?v=1776312902 Adjacent ethoxynaphthalene formaldehyde, 97% | 19523-57-0 Adjacent ethoxynaphthalene formaldehyde, 97%|998029|19523-57-0 https://www.jk-sci.com/products/a01997401 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129476_08617621-0f09-4f4f-944b-517428b290a1.png?v=1776312850 Harmine, 98%, from Peganum harmala L. | 442-51-3 Harmine, 98%, from Peganum harmala L.|997401|442-51-3 https://www.jk-sci.com/products/a01997574 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/997574.png?v=1776312865 (S)-1-Cbz-3-N-Boc-aminopiperidine, 95% | 876379-22-5 (S)-1-Cbz-3-N-Boc-aminopiperidine, 95%|997574|876379-22-5 https://www.jk-sci.com/products/a01999176 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90653f4395f41e07a62403e286cf9e36.jpg?v=1776313013 2,2,2-Trichloroimino-4-methoxybenzyl acetate, 97% | 89238-99-3 2,2,2-Trichloroimino-4-methoxybenzyl acetate, 97%|999176|89238-99-3 https://www.jk-sci.com/products/a01998406 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/147610_93fc1f2a-6026-4827-b623-20fb14c94e33.png?v=1776312932 Magnesium carbonate hydroxide hydrate, AR, 40 - 44.5% (as MgO) | 39409-82-0 Magnesium carbonate hydroxide hydrate, AR, 40 - 44.5% (as MgO)|998406|39409-82-0 https://www.jk-sci.com/products/a01999070 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374943.png?v=1776313010 Tetrahydrofurfuryl acrylate, 98%, stabilized with MEHQ | 2399-48-6 Tetrahydrofurfuryl acrylate, 98%, stabilized with MEHQ|999070|2399-48-6 https://www.jk-sci.com/products/a01998958 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394008.png?v=1776313006 (1-Nonyl) triphenylphosphine bromide, 95% | 60902-45-6 (1-Nonyl) triphenylphosphine bromide, 95%|998958|60902-45-6 https://www.jk-sci.com/products/s57c4x-10178 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41632b750778efceb342c64ddee7c0b6.jpg?v=1776404453 Vardenafil Impurity 8 | 224789-20-2 Vardenafil Impurity 8|C4X-10178|224789-20-2 https://www.jk-sci.com/products/a019342298 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5cd2a5e5-95da-491c-a20a-5102fa165ab0.png?v=1776304696 [S(R)]-N-[(S)-(1-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(1-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342298 https://www.jk-sci.com/products/a01999485 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/297399_aa23be6e-f1e9-4e11-9597-af66761eea20.png?v=1776313052 4-Bromo-m-xylene, 98% | 583-70-0 4-Bromo-m-xylene, 98%|999485|583-70-0 https://www.jk-sci.com/products/s57c4x-102088 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/205966_4fbf4486-34f4-4dc2-ba2a-8f73378bc144.png?v=1774900415 Vonoprazan Fumarate Impurity 88 | 655-15-2 Vonoprazan Fumarate Impurity 88|C4X-102088|655-15-2 https://www.jk-sci.com/products/a01999521 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_315ea123-1d7d-4e7e-9025-84364498f802.png?v=1776313058 SA-PEG-SA, 95%, average M.W. 4,000 SA-PEG-SA, 95%, average M.W. 4,000|999521 https://www.jk-sci.com/products/a01999558 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/823862f502737505c889ba199b3ea2a9.jpg?v=1776313062 Dimethyl 2,2'-bipyridine-4,4'-dicarboxylate, 97% | 71071-46-0 Dimethyl 2,2'-bipyridine-4,4'-dicarboxylate, 97%|999558|71071-46-0 https://www.jk-sci.com/products/s57c4x-102838 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/312312_a4edef80-39aa-4180-9bbf-51087a7da332.png?v=1775071406 Lurasidone Impurity 38 | 55745-83-0 Lurasidone Impurity 38|C4X-102838|55745-83-0 https://www.jk-sci.com/products/a019342299 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2aeccc1d-ebd7-4816-af24-f109b71fe2a3.png?v=1776304699 [S(R)]-N-[(R)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342299 https://www.jk-sci.com/products/a019342300 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cf25dcc2-6efa-4499-b9de-1eea4af8226e.png?v=1776304702 [S(R)]-N-[(R)-[3,5-Bis(trifluoromethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[3,5-Bis(trifluoromethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342300 https://www.jk-sci.com/products/a01999746 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593534_976c13d6-d64b-406c-9ccd-03aa29d45713.png?v=1776313070 2,2,3,3-Tetrafluoro-1,4-butanediol, 98% | 425-61-6 2,2,3,3-Tetrafluoro-1,4-butanediol, 98%|999746|425-61-6 https://www.jk-sci.com/products/a01999758 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f36f968478f36e234b353793a585a42.jpg?v=1776313074 Bemotrizinol, 98%, reference material | 187393-00-6 Bemotrizinol, 98%, reference material|999758|187393-00-6 https://www.jk-sci.com/products/a019342312 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_050068da-72ae-4680-96c3-6d51c29ab5ed.png?v=1776304705 [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342312 https://www.jk-sci.com/products/a01999794 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f31db7d-64c7-413f-9930-4d99f111236c.png?v=1776313076 NPC-PEG-NPC, 95%, average M.W. 4,000 NPC-PEG-NPC, 95%, average M.W. 4,000|999794 https://www.jk-sci.com/products/a019342313 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5d86fdbe-2ffe-432a-ad9b-6ba0ed340246.png?v=1776304708 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-methoxyphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-methoxyphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342313 https://www.jk-sci.com/products/j5315012 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62106cd93c2167f311ac68104ba7fc60.jpg?v=1776331877 Boc-(R,S)-3-amino-3-(1-naphthyl)propionic acid | 268209-95-6 Boc-(R,S)-3-amino-3-(1-naphthyl)propionic acid|15012|268209-95-6 https://www.jk-sci.com/products/a01999929 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/265249_e12bcae2-2d60-4e66-9d90-eda5a544a67e.png?v=1776313093 Mebendazole, 99.5%, reference material | 31431-39-7 Mebendazole, 99.5%, reference material|999929|31431-39-7 https://www.jk-sci.com/products/s57c4x-10293 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d74b9f8e0c5a048812a8ca8c2a158cdd.jpg?v=1776404751 Clopidogrel EP Impurity C | 120202-71-3 Clopidogrel EP Impurity C|C4X-10293|120202-71-3 https://www.jk-sci.com/products/a01b08014 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/432369.png?v=1776313124 L-Glutamic acid, 99% | 56-86-0 L-Glutamic acid, 99%|288636|56-86-0 https://www.jk-sci.com/products/a01b09120 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/610064.png?v=1776313278 Fmoc-4-nitro-L-phenylalanine, 97% | 95753-55-2 Fmoc-4-nitro-L-phenylalanine, 97%|263339|95753-55-2 https://www.jk-sci.com/products/a01b09089 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367073.png?v=1776313246 N-Fmoc-L-tyrosine, 97% | 92954-90-0 N-Fmoc-L-tyrosine, 97%|262344|92954-90-0 https://www.jk-sci.com/products/a01b09090 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1a38cceff6473fb744a95af6316de70.jpg?v=1776313250 Fmoc-Tyr(Bzl)-OH, 98% | 71989-40-7 Fmoc-Tyr(Bzl)-OH, 98%|217790|71989-40-7 https://www.jk-sci.com/products/a01b09115 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475724_fa3134c6-826c-46a0-a091-d3252e5926d5.png?v=1776313269 Fmoc-6-aminohexanoic acid, 99% | 88574-06-5 Fmoc-6-aminohexanoic acid, 99%|248905|88574-06-5 https://www.jk-sci.com/products/a01b10020 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236807_68d45333-2e1f-462c-8c75-8907940611e2.png?v=1776313303 Boc-Asp(OcHx)-OH, 98% | 73821-95-1 Boc-Asp(OcHx)-OH, 98%|197609|73821-95-1 https://www.jk-sci.com/products/a01999977 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_375ef628-7e0a-4ea6-9fd8-6358ccf94e7a.png?v=1776313102 GA-PEG-GA, 95%, average M.W. 20,000 GA-PEG-GA, 95%, average M.W. 20,000|999977 https://www.jk-sci.com/products/s57c4x-103258 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26081eba-d984-4887-a70e-8c14ad440f0d.png?v=1775060384 Mirabegron Impurity 58 HCl Mirabegron Impurity 58 HCl|C4X-103258 https://www.jk-sci.com/products/a01b09012 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/314443_a26741bd-886b-4ce6-ade5-168a38f89b17.png?v=1776313203 Fmoc-D-Asn-OH, 98% | 108321-39-7 Fmoc-D-Asn-OH, 98%|112244|108321-39-7 https://www.jk-sci.com/products/s57c4x-103113 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/904579_c8931ff2-2e06-4ba6-bfc3-fd922600e49c.png?v=1775055469 Montelukast EP Impurity B | 918972-54-0 Montelukast EP Impurity B|C4X-103113|918972-54-0 https://www.jk-sci.com/products/a01b10003 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142547_d16f45ba-dcbc-4f41-b5d1-2da9870d34e0.png?v=1776313287 Boc-N-methyl-L-alanine, 98% | 16948-16-6 Boc-N-methyl-L-alanine, 98%|204857|16948-16-6 https://www.jk-sci.com/products/s57c4x-103125 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b81e80c1ac8cbae9d509e3e4f9c1e8c7.jpg?v=1776404795 Montelukast EP Impurity A | 220927-27-5 Montelukast EP Impurity A|C4X-103125|220927-27-5 https://www.jk-sci.com/products/a01b10010 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/402334_ddcfaf2c-e7f4-4d24-9132-cea996702d9e.png?v=1776313297 Boc-Asn-Onp, 98.5% | 4587-33-1 Boc-Asn-Onp, 98.5%|175206|4587-33-1 https://www.jk-sci.com/products/a01269994 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269994.png?v=1784652432 2,5-Dibromopyrazine, 98% | 23229-26-7 2,5-Dibromopyrazine, 98%|269994|23229-26-7 https://www.jk-sci.com/products/a01270035 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270035.png?v=1784652433 4-Methyl-2-phenylimidazole, 99% | 827-43-0 4-Methyl-2-phenylimidazole, 99%|270035|827-43-0 https://www.jk-sci.com/products/a019342314 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_957dd741-6395-4afa-9546-45881809b5a8.png?v=1776304711 [S(R)]-N-[(R)-1-[2-(Diadamantanphosphino)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-1-[2-(Diadamantanphosphino)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95%|9342314 https://www.jk-sci.com/products/a019342316 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_eaef5913-a3e7-4935-b80a-d1423340dd55.png?v=1776304714 [S(R)]-N-[(R)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342316 https://www.jk-sci.com/products/a01270089 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/658483.png?v=1784652437 2-Hydroxy-4-methylpyrimidine-5-carboxylic acid, 97% | 13008-17-8 2-Hydroxy-4-methylpyrimidine-5-carboxylic acid, 97%|270089|13008-17-8 https://www.jk-sci.com/products/a01270222 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270222_2d9f0fb3-9d98-4878-82fe-1a49d22bd973.png?v=1784652444 Tris(3-fluorophenyl)phosphine, 97% | 23039-94-3 Tris(3-fluorophenyl)phosphine, 97%|270222|23039-94-3 https://www.jk-sci.com/products/a01271158 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/388407.png?v=1784652477 (4R,5S)-(+)-4-Methyl-5-phenyl-2-oxazolidinone, 99% | 77943-39-6 (4R,5S)-(+)-4-Methyl-5-phenyl-2-oxazolidinone, 99%|271158|77943-39-6 https://www.jk-sci.com/products/s57c4x-10393 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c781ee09599b1c0dc91cc3d50d52380f.jpg?v=1776404939 Donepezil EP impurity D | 4803-57-0 Donepezil EP impurity D|C4X-10393|4803-57-0 https://www.jk-sci.com/products/a01271658 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271658.png?v=1784652495 Butanoic-d7 acid, 97% | 73607-83-7 Butanoic-d7 acid, 97%|271658|73607-83-7 https://www.jk-sci.com/products/a019342318 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_58b5f6a3-20af-4882-9620-64916e7d1893.png?v=1776304719 [S(R)]-N-[(R)-[2-(Diadamantanphosphino)phenyl](2-naphthalenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diadamantanphosphino)phenyl](2-naphthalenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342318 https://www.jk-sci.com/products/a01272074 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/680b9ac5c1912e8d46c44abeaea7ab00.jpg?v=1784652523 Phenolphthalein monophosphate di(cyclohexylammonium) salt, 90% | 14815-59-9 Phenolphthalein monophosphate di(cyclohexylammonium) salt, 90%|272074|14815-59-9 https://www.jk-sci.com/products/a01271757 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271757.png?v=1784652501 Salicylamide, 98% | 65-45-2 Salicylamide, 98%|271757|65-45-2 https://www.jk-sci.com/products/a01272170 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795584.png?v=1784652533 2,7-Dibromocarbazole, 98% | 136630-39-2 2,7-Dibromocarbazole, 98%|272170|136630-39-2 https://www.jk-sci.com/products/a01272094 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272094.png?v=1784652530 1,4,5,8-Naphthalenetetracarboxylic dianhydride, 97.5% | 81-30-1 1,4,5,8-Naphthalenetetracarboxylic dianhydride, 97.5%|272094|81-30-1 https://www.jk-sci.com/products/a019342317 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_76cfd819-37ba-4594-8fd7-465fd58fc0d2.png?v=1776304716 [S(R)]-N-[(R)-[2-(Diadamantanphosphino)phenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diadamantanphosphino)phenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342317 https://www.jk-sci.com/products/s57c4x-104910 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4501cca6dacea290f9bd536869be4e4.jpg?v=1776405054 Saxagliptin Dione Impurity | 1350800-77-9 Saxagliptin Dione Impurity|C4X-104910|1350800-77-9 https://www.jk-sci.com/products/a01272316 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/508287.png?v=1784652536 Quinoline-8-boronic acid, 99% | 86-58-8 Quinoline-8-boronic acid, 99%|272316|86-58-8 https://www.jk-sci.com/products/s57c4x-104429 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500186_7ba2f7d4-7d28-4413-a133-dd88b08ee961.png?v=1774660859 Mosapride Impurity 29 | 22116-33-2 Mosapride Impurity 29|C4X-104429|22116-33-2 https://www.jk-sci.com/products/a019342319 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd70055d-d4ea-46cc-a85b-f3ffbf4f93ea.png?v=1776304722 [S(R)]-N-[(R)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342319 https://www.jk-sci.com/products/a01272458 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272458_9ca11941-be70-4662-9e40-c52702cf9e05.png?v=1784652546 1-(2-Furoyl)-piperazine, 97% | 40172-95-0 1-(2-Furoyl)-piperazine, 97%|272458|40172-95-0 https://www.jk-sci.com/products/a01272429 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272429.png?v=1784652542 (R)-1-(Pyridin-2-yl)ethanol, 97.5%, ee: 95% | 27911-63-3 (R)-1-(Pyridin-2-yl)ethanol, 97.5%, ee: 95%|272429|27911-63-3 https://www.jk-sci.com/products/a012727301 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c913b44a-88cb-42b5-8c46-a2b9be1499fe.png?v=1784652551 Bioglass 45S5, 98%, particle size: 50 - 100 μm Bioglass 45S5, 98%, particle size: 50 - 100 μm|2727301 https://www.jk-sci.com/products/a012727300 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd635cf0-ca2e-42d2-bc0b-b4d8e7244511.png?v=1784652547 Bioglass 45S5, 98%, particle size: 20 - 50 μm Bioglass 45S5, 98%, particle size: 20 - 50 μm|2727300 https://www.jk-sci.com/products/a019342320 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_831abe4c-d1ef-41f9-aa41-3d0f7433a821.png?v=1776304725 [S(R)]-N-[(R)-1-[2-(Di-tert-butylphosphanyl)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-1-[2-(Di-tert-butylphosphanyl)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95%|9342320 https://www.jk-sci.com/products/a01272310 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272310.png?v=1784652535 N-(4-Bromobutyl)phthalimide, 98% | 5394-18-3 N-(4-Bromobutyl)phthalimide, 98%|272310|5394-18-3 https://www.jk-sci.com/products/a019342325 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f9701e8e-99fb-4b6b-ae46-106a13ea64ad.png?v=1776304728 [S(R)]-N-[(S)-2-(Di-tert-butylphosphino)phenyl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-2-(Di-tert-butylphosphino)phenyl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide, 95%|9342325 https://www.jk-sci.com/products/a01272751 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272751.png?v=1784652553 Benzoin isopropyl ether, 99% | 6652-28-4 Benzoin isopropyl ether, 99%|272751|6652-28-4 https://www.jk-sci.com/products/a01272756 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784474_e0b4c8e5-34a9-4577-986e-20bb4b5bf052.png?v=1784652556 4-Chloro-6-methoxy-2-(methylsulfonyl)pyrimidine, 97% | 89466-55-7 4-Chloro-6-methoxy-2-(methylsulfonyl)pyrimidine, 97%|272756|89466-55-7 https://www.jk-sci.com/products/a01272906 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/272906_a53e46d8-21fa-40a3-b54d-efe03148ab1e.png?v=1784652567 1-Bromo-2,5-difluorobenzene, 98% | 399-94-0 1-Bromo-2,5-difluorobenzene, 98%|272906|399-94-0 https://www.jk-sci.com/products/s57c4x-10536 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01273105 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340762.png?v=1784652577 6-Phenoxypyridine-3-carbonitrile, 97% | 99902-72-4 6-Phenoxypyridine-3-carbonitrile, 97%|273105|99902-72-4 https://www.jk-sci.com/products/a019342326 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_662de4e1-68e2-438e-8fc3-0c6177cdaeb5.png?v=1776304730 [S(R)]-N-[(S)-3,5-Dimethylphenyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-3,5-Dimethylphenyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342326 https://www.jk-sci.com/products/s57c4x-105417 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac52d377-d281-4428-a5c2-d39269671a0c.png?v=1774965284 Tedizolid Impurity 17 Tedizolid Impurity 17|C4X-105417 https://www.jk-sci.com/products/a01273668 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273668.png?v=1784652616 Molsidomine, 98%, Guanylate cyclase activator | 25717-80-0 Molsidomine, 98%, Guanylate cyclase activator|273668|25717-80-0 https://www.jk-sci.com/products/a012739697 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129316_a1933a16-cdbf-4fd9-bf9e-211ce134c7bb.png?v=1784652663 SBAP (Succinimidyl 3-(bromoacetamido)propionate), 90% | 57159-62-3 SBAP (Succinimidyl 3-(bromoacetamido)propionate), 90%|2739697|57159-62-3 https://www.jk-sci.com/products/a01273917 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244274.png?v=1784652644 4-Chlorophenylacetone, 98% | 5586-88-9 4-Chlorophenylacetone, 98%|273917|5586-88-9 https://www.jk-sci.com/products/a012739689 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32ad2a39799f68886814a9ef7912a1c8.jpg?v=1784652661 1-Methyl-3-(4-sulfobutyl)imidazolium bis(trifluoromethanesulfonyl)imide, 95% | 909390-59-6 1-Methyl-3-(4-sulfobutyl)imidazolium bis(trifluoromethanesulfonyl)imide, 95%|2739689|909390-59-6 https://www.jk-sci.com/products/a01273858 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273858.png?v=1784652634 Isoalantolactone, 98%, from Radix Aucklandiae | 470-17-7 Isoalantolactone, 98%, from Radix Aucklandiae|273858|470-17-7 https://www.jk-sci.com/products/a01273712 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563733.png?v=1784652618 Ethyl 5-hydroxy-1,2-dimethyl-1H-indole-3-carboxylate, 98% | 15574-49-9 Ethyl 5-hydroxy-1,2-dimethyl-1H-indole-3-carboxylate, 98%|273712|15574-49-9 https://www.jk-sci.com/products/a012740486 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f50b02cc752e7ec0e8eaa1d706553b45.jpg?v=1784652671 1,3,4,6-Tetra-O-acetyl-N-azidoacetylmannosamine, 95% | 361154-30-5 1,3,4,6-Tetra-O-acetyl-N-azidoacetylmannosamine, 95%|2740486|361154-30-5 https://www.jk-sci.com/products/a019342328 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85215ced-16c7-474b-bb72-cf11e54b3058.png?v=1776304736 [S(R)]-N-[(S)-(2-(1-tert-Butylmethyl)][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(2-(1-tert-Butylmethyl)][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342328 https://www.jk-sci.com/products/a019342327 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9647e04b-5cb7-4ec1-a58e-ae04202a318a.png?v=1776304733 [S(R)]-N-[(R)-(2-(1-tert-Butylmethyl)][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(2-(1-tert-Butylmethyl)][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342327 https://www.jk-sci.com/products/a012745475 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca46c72b44b671cca1b3d12b0072895e.jpg?v=1784652722 tert-Butyl 2-amino-4-(4-methyl-1-piperazinyl)benzoate, 97% | 1034975-35-3 tert-Butyl 2-amino-4-(4-methyl-1-piperazinyl)benzoate, 97%|2745475|1034975-35-3 https://www.jk-sci.com/products/a01274839 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274839_ebbd4428-1cfc-46f0-b401-c629518e01b4.png?v=1784652740 (S)-(-)-Indoline-2-carboxylic acid, 98% | 79815-20-6 (S)-(-)-Indoline-2-carboxylic acid, 98%|274839|79815-20-6 https://www.jk-sci.com/products/a01274930 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162360.png?v=1784652745 5-(Pyridin-3-yl)-1H-pyrazole-3-carboxylic acid, 98% | 374064-01-4 5-(Pyridin-3-yl)-1H-pyrazole-3-carboxylic acid, 98%|274930|374064-01-4 https://www.jk-sci.com/products/a012750645 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42a56c798afcea242c1499a83ed75ab3.jpg?v=1784652768 Bis(3-methoxyphenyl) amine, 97% | 92248-06-1 Bis(3-methoxyphenyl) amine, 97%|2750645|92248-06-1 https://www.jk-sci.com/products/a012749530 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c32b4adf4f76ac95eb9e154026c3b3f1.jpg?v=1784652755 Hexylamine Hydrobromide, 99.8% | 7334-95-4 Hexylamine Hydrobromide, 99.8%|2749530|7334-95-4 https://www.jk-sci.com/products/a01275671 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275671.png?v=1784652796 N6, 2’-O-Dibutyryadenosine 3’,5’-cyclic monophosphate sodium salt, 96% | 16980-89-5 N6, 2’-O-Dibutyryadenosine 3’,5’-cyclic monophosphate sodium salt, 96%|275671|16980-89-5 https://www.jk-sci.com/products/a01275304 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275304.png?v=1784652779 Lithium tetraborate, 98% | 12007-60-2 Lithium tetraborate, 98%|275304|12007-60-2 https://www.jk-sci.com/products/s57c4x-105472 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01275760 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275760.png?v=1784652802 4-Bromo-1-methylpyrazole, 98% | 15803-02-8 4-Bromo-1-methylpyrazole, 98%|275760|15803-02-8 https://www.jk-sci.com/products/s57c4x-105479 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf84963a5d5f962e5c0e01b1f5b2e179.jpg?v=1776405225 Tedizolid Impurity 79 | 1551262-90-8 Tedizolid Impurity 79|C4X-105479|1551262-90-8 https://www.jk-sci.com/products/a01275955 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b958c500ec70a97075808afe36641f0e.jpg?v=1784652808 4-Methoxy-6-methyl-2-(methylsulfonyl)pyrimidine, 97% | 57268-32-3 4-Methoxy-6-methyl-2-(methylsulfonyl)pyrimidine, 97%|275955|57268-32-3 https://www.jk-sci.com/products/j5322719 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b3b702936b9596c669b74388f5e2f25.jpg?v=1776343895 (R)-(1-Boc-piperidin-3-yl)acetic acid | 912940-89-7 (R)-(1-Boc-piperidin-3-yl)acetic acid|22719|912940-89-7 https://www.jk-sci.com/products/a019342329 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bd912a86-058f-4647-a357-cecaab28a26a.png?v=1776304739 [S(R)]-N-[(R)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342329 https://www.jk-sci.com/products/a01276710 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276710.png?v=1784652844 Tetrabutylammonium acetate, 93% | 10534-59-5 Tetrabutylammonium acetate, 93%|276710|10534-59-5 https://www.jk-sci.com/products/s57c4x-10552 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212973_e2c0b79d-c524-4c62-b91d-a5c84e931bc1.png?v=1775141661 Topiroxostat Impurity 2 ( Isoniazid Impurity 5 ) | 100-48-1 Topiroxostat Impurity 2 ( Isoniazid Impurity 5 )|C4X-10552|100-48-1 https://www.jk-sci.com/products/a019342331 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2099bc8-d710-475b-b707-50ce94872a78.png?v=1776304744 [S(R)]-N-[(R)-[3,5-Bis(trifluoromethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[3,5-Bis(trifluoromethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342331 https://www.jk-sci.com/products/a01276759 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276759.png?v=1784652850 N,N-Diethylbenzamide, 95% | 1696-17-9 N,N-Diethylbenzamide, 95%|276759|1696-17-9 https://www.jk-sci.com/products/a01276542 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276542.png?v=1784652841 2,6-Dichlorobenzothiazole, 97% | 3622-23-9 2,6-Dichlorobenzothiazole, 97%|276542|3622-23-9 https://www.jk-sci.com/products/a01276372 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211655_7a0f9741-d7a4-4ae9-8f70-674ffdb59808.png?v=1784652828 Ethyl levulinate, 98% | 539-88-8 Ethyl levulinate, 98%|276372|539-88-8 https://www.jk-sci.com/products/a019342330 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5d0d249d-06e7-4bb5-b82e-cc6a1a5155eb.png?v=1776304742 [S(R)]-N-[(S)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342330 https://www.jk-sci.com/products/s57c4x-105548 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97d40a8fe8c7212221fc85880ed13c59.jpg?v=1776405256 Topiroxostat Impurity 48 | 4329-75-3 Topiroxostat Impurity 48|C4X-105548|4329-75-3 https://www.jk-sci.com/products/s57c4x-105534 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81497046246d1d9f5009b5fcedd4f884.jpg?v=1776405250 Topiroxostat Impurity 34 | 2044708-04-3 Topiroxostat Impurity 34|C4X-105534|2044708-04-3 https://www.jk-sci.com/products/a01276928 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276928_a47574e2-cd1e-4b34-a887-67111881546e.png?v=1784652859 Penicillin G potassium salt, 96% | 113-98-4 Penicillin G potassium salt, 96%|276928|113-98-4 https://www.jk-sci.com/products/a019342354 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_04cac572-dc5e-4f36-8c07-ee8ff3bbba49.png?v=1776304750 [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9342354 https://www.jk-sci.com/products/a019342353 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a10e49842e395f7ca8d54c1177b460c.jpg?v=1776304748 [S(R)]-N-((1S)-1-(2-(Dicyclohexylphosphino)phenyl)ethyl)-2-methyl-2-propanesulfinamide, 95% | 2696252-39-6 [S(R)]-N-((1S)-1-(2-(Dicyclohexylphosphino)phenyl)ethyl)-2-methyl-2-propanesulfinamide, 95%|9342353|2696252-39-6 https://www.jk-sci.com/products/a01277040 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328082.png?v=1784652864 5-Chlorobenzothiophene-3-carboxylic acid, 97% | 16361-24-3 5-Chlorobenzothiophene-3-carboxylic acid, 97%|277040|16361-24-3 https://www.jk-sci.com/products/a019342357 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_df523b06-a48e-46b9-a6fb-6a5a701fa33b.png?v=1776304759 [S(R)]-N-[(R)-(4-(Methoxyphenyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(4-(Methoxyphenyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342357 https://www.jk-sci.com/products/a019342355 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3dc9ee8d-fc3a-4ef7-aab3-4a32022058ba.png?v=1776304753 [S(R)]-N-[(S)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342355 https://www.jk-sci.com/products/a019342356 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2c6c801-91a9-4fea-b869-ec7e4f9f243d.png?v=1776304756 [S(R)]-N-[(R)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342356 https://www.jk-sci.com/products/a019342358 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d1432fa-8785-4bf8-8c57-34e8ae02b688.png?v=1776304762 [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342358 https://www.jk-sci.com/products/s57c4x-1056116 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8321cec5acef01f1c3de9ae2d91c0b69.jpg?v=1776405274 Vortioxetine Impurity 116 | 102439-46-3 Vortioxetine Impurity 116|C4X-1056116|102439-46-3 https://www.jk-sci.com/products/s57c4x-1056147 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4eb311a0-46c7-472d-adf7-f96e8ef967fa.png?v=1774642190 Vortioxetine Impurity 147 Vortioxetine Impurity 147|C4X-1056147 https://www.jk-sci.com/products/a01277265 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102720.png?v=1784652891 5-(4-Fluorophenyl)-3H-thieno[2,3-d]pyrimidin-4-one, 97% | 35978-37-1 5-(4-Fluorophenyl)-3H-thieno[2,3-d]pyrimidin-4-one, 97%|277265|35978-37-1 https://www.jk-sci.com/products/a019342359 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27a9d87f-7af8-4b6e-aaa0-f4685fbc0392.png?v=1776304765 [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl](2-naphthalenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl](2-naphthalenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342359 https://www.jk-sci.com/products/a01277288 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277288.png?v=1784652891 2-(Phenylthio)ethanol, 98% | 699-12-7 2-(Phenylthio)ethanol, 98%|277288|699-12-7 https://www.jk-sci.com/products/a01277377 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277377.png?v=1784652892 (R)-(+)-Lactamide, 98%, ee: 99% | 598-81-2 (R)-(+)-Lactamide, 98%, ee: 99%|277377|598-81-2 https://www.jk-sci.com/products/a019342360 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ee6350a4-0382-4dd1-8c77-024d69151dd3.png?v=1776304767 [S(R)]-N-[(R)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342360 https://www.jk-sci.com/products/a01b10022 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100616_ab5d359c-70be-4a8f-89b9-88ee7be9e01f.png?v=1776313310 Boc-S-benzyl-L-cysteine, 99% | 5068-28-0 Boc-S-benzyl-L-cysteine, 99%|120799|5068-28-0 https://www.jk-sci.com/products/a01277506 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462966.png?v=1784652902 9-Fluorenylmethyl carbamate, 98% | 84418-43-9 9-Fluorenylmethyl carbamate, 98%|277506|84418-43-9 https://www.jk-sci.com/products/a01b10102 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e679decd2bfd89b303512b53e661f6b.jpg?v=1776313380 Boc-D-Ser(Bzl)-OH, 99% | 47173-80-8 Boc-D-Ser(Bzl)-OH, 99%|191353|47173-80-8 https://www.jk-sci.com/products/a01b10084 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289111_a80b2364-5c9e-4e7b-948a-9e33ab054ef4.png?v=1776313362 Boc-Orn(Z)-OH, 98% | 2480-93-5 Boc-Orn(Z)-OH, 98%|299708|2480-93-5 https://www.jk-sci.com/products/s57c4x-10564 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfd87dfcb97b3ee736ac017d547c4aee.jpg?v=1776405288 Vortioxetine Impurity 4 | 1429908-35-9 Vortioxetine Impurity 4|C4X-10564|1429908-35-9 https://www.jk-sci.com/products/a01b10183 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7279ce1979b5a7e6a65316ae15072061.jpg?v=1776313417 [2-[2-(Fmoc-amino)ethoxy]ethoxy]acetic acid, 95% | 166108-71-0 [2-[2-(Fmoc-amino)ethoxy]ethoxy]acetic acid, 95%|236040|166108-71-0 https://www.jk-sci.com/products/s57c4x-105646 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e4feb1ede7a59d03a476e445c5d0863.jpg?v=1776405302 Vortioxetine Impurity 46 | 1253056-29-9 Vortioxetine Impurity 46|C4X-105646|1253056-29-9 https://www.jk-sci.com/products/a019342361 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_95cec58b-4124-48a1-8251-43d75e0a2596.png?v=1776304771 [S(R)]-N-[(S)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342361 https://www.jk-sci.com/products/a01b11022 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411005_78ccee5d-e5e0-45cc-90b6-95b2034a33db.png?v=1776313440 N,N'-Bis(benzyloxycarbonyl)-L-cystine, 98% | 6968-11-2 N,N'-Bis(benzyloxycarbonyl)-L-cystine, 98%|262304|6968-11-2 https://www.jk-sci.com/products/a019342362 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b4da899c-e9c9-45db-a150-418137a76668.png?v=1776304773 [S(R)]-N-[(R)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342362 https://www.jk-sci.com/products/a01b11043 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609322_79834611-e8e1-4449-85f4-198b543d94ee.png?v=1776313459 N-Cbz-D-leucine, 98% | 28862-79-5 N-Cbz-D-leucine, 98%|161324|28862-79-5 https://www.jk-sci.com/products/a01b11083 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487202_c3fc46ee-9663-4353-a162-184f121a582a.png?v=1776313468 Z-Ser-OH, 99% | 1145-80-8 Z-Ser-OH, 99%|227707|1145-80-8 https://www.jk-sci.com/products/a01b11097 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216255_efe54541-873e-488f-a8c0-e1b04fcc4ec3.png?v=1776313474 Z-Tyr-OH, 98% | 1164-16-5 Z-Tyr-OH, 98%|166171|1164-16-5 https://www.jk-sci.com/products/a01b12147 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525058.png?v=1771024738 L-Proline benzyl ester hydrochloride, 98% | 16652-71-4 L-Proline benzyl ester hydrochloride, 98%|164012|16652-71-4 https://www.jk-sci.com/products/a01b12176 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482657_c9bdf54f-eccf-4f6a-8606-c5b307b037b4.png?v=1776313551 N-Acetyl-L-tryptophan ethyl ester, 98% | 2382-80-1 N-Acetyl-L-tryptophan ethyl ester, 98%|196017|2382-80-1 https://www.jk-sci.com/products/a01b12170 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241752_a3f0ecac-a57e-405c-ba6c-0e1b70739206.png?v=1776313544 L-Tryptophanamide hydrochloride, 98% | 5022-65-1 L-Tryptophanamide hydrochloride, 98%|214502|5022-65-1 https://www.jk-sci.com/products/s57c4x-105682 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326841_0cabaac9-def3-4f94-a1ea-9f74299e15e6.png?v=1775071421 Vortioxetine Impurity 82 | 583-55-1 Vortioxetine Impurity 82|C4X-105682|583-55-1 https://www.jk-sci.com/products/s57c4x-10571 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27003e461859cc564f13b645c27ea6db.jpg?v=1776405323 Valsartan EP Impurity A | 137862-87-4 Valsartan EP Impurity A|C4X-10571|137862-87-4 https://www.jk-sci.com/products/a01b12180 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116350_78883020-9c15-49d9-8baa-ff51d115d4ef.png?v=1776313554 L-Tyrosine tert-butyl ester, 97% | 16874-12-7 L-Tyrosine tert-butyl ester, 97%|278111|16874-12-7 https://www.jk-sci.com/products/s57c4x-1057128 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-1057109 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b62d12dbeb958033fce5c874f8797f8d.jpg?v=1776405328 Valsartan Impurity 109 | 2407652-86-0 Valsartan Impurity 109|C4X-1057109|2407652-86-0 https://www.jk-sci.com/products/s57c4x-105714 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e709eff4fbaf8970e942a377950d078.jpg?v=1776405332 Valsartan Impurity 14 | 137863-90-2 Valsartan Impurity 14|C4X-105714|137863-90-2 https://www.jk-sci.com/products/a01c02013 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380977_70052677-d9a6-410e-9e9e-a1b304b820d9.png?v=1776313590 L-Tryptophanol, 97% | 2899-29-8 L-Tryptophanol, 97%|108048|2899-29-8 https://www.jk-sci.com/products/a01b12182 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460893_aec47491-eaf7-4a31-9593-e016ed679920.png?v=1776313558 L-Tyrosine methyl ester hydrochloride, 98.5% | 3417-91-2 L-Tyrosine methyl ester hydrochloride, 98.5%|219197|3417-91-2 https://www.jk-sci.com/products/s57c4x-105725 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349503.png?v=1774986122 Valsartan Impurity 25 | 133051-88-4 Valsartan Impurity 25|C4X-105725|133051-88-4 https://www.jk-sci.com/products/a01h07031 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454569_1120b04d-29fa-4fb8-b3bb-ff55cf804236.png?v=1776313634 4-Hydroxyquinoline, 98% | 611-36-9 4-Hydroxyquinoline, 98%|234318|611-36-9 https://www.jk-sci.com/products/s57c4x-10573 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcdd7004c5f33f3cd7a34353d0b8aed0.jpg?v=1776405346 Valsartan EP Impurity C | 952652-79-8 Valsartan EP Impurity C|C4X-10573|952652-79-8 https://www.jk-sci.com/products/a019342364 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0bceca7b-7fce-40c4-93a6-efd435ecfa09.png?v=1776304779 [S(R)]-N-[(S)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342364 https://www.jk-sci.com/products/a019342363 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cbd7ebb4-526a-4bce-813a-54e08f468328.png?v=1776304776 [S(R)]-N-[(R)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342363 https://www.jk-sci.com/products/s57c4x-105742 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8ec5a4fe8d5598e15e1543f1949d47e.jpg?v=1776405356 Valsartan Impurity 42 | 443093-86-5 Valsartan Impurity 42|C4X-105742|443093-86-5 https://www.jk-sci.com/products/a01h08021 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210795.png?v=1776313658 5-Amino-2-chloropyridine, 98% | 5350-93-6 5-Amino-2-chloropyridine, 98%|263979|5350-93-6 https://www.jk-sci.com/products/a01h08111 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/535478_a40e7063-f9a5-417f-8cb7-895d18269a99.png?v=1776313697 5,6-Dichloronicotinic acid ethyl ester, 98% | 401566-69-6 5,6-Dichloronicotinic acid ethyl ester, 98%|164952|401566-69-6 https://www.jk-sci.com/products/a01h08127 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206264.png?v=1776313719 2,6-Diacetylpyridine, 97% | 1129-30-2 2,6-Diacetylpyridine, 97%|137832|1129-30-2 https://www.jk-sci.com/products/a019342365 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_248619bc-1cbb-4b01-912b-da1f22e66dfe.png?v=1776304782 [S(R)]-N-[(S)-1-[2-(Di-tert-butylphosphanyl)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-1-[2-(Di-tert-butylphosphanyl)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95%|9342365 https://www.jk-sci.com/products/s57c4x-105766 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/885ddcd384be47da03c26c297823d766.jpg?v=1776405375 Valsartan Impurity 56 | 1353844-75-3 Valsartan Impurity 56|C4X-105766|1353844-75-3 https://www.jk-sci.com/products/a01h08151 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262474.png?v=1776313726 Di-2-pyridyl ketone, 98% | 19437-26-4 Di-2-pyridyl ketone, 98%|102565|19437-26-4 https://www.jk-sci.com/products/a01h08170 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257393.png?v=1776313747 2-Chloropyridin-4-amine hydrochloride, 98% | 2897-42-9 2-Chloropyridin-4-amine hydrochloride, 98%|100109|2897-42-9 https://www.jk-sci.com/products/a01h08200 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259382.png?v=1776313749 6-Chloro-4-ethoxynicotinic acid, 97% | 887572-34-1 6-Chloro-4-ethoxynicotinic acid, 97%|217181|887572-34-1 https://www.jk-sci.com/products/a019342399 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9349b8eb-f254-4b8e-834a-d9bbf19b9b13.png?v=1776304788 [S(R)]-N-[(S)-(4-(Methoxyphenyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(4-(Methoxyphenyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342399 https://www.jk-sci.com/products/a019342398 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0172109d-a394-4eab-882f-4e6e4e67b9e8.png?v=1776304785 [S(R)]-N-[(S)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(4-(tert-Butyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9342398 https://www.jk-sci.com/products/s57c4x-10578 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9b8d4479ba722b451aff75d80560ee7.jpg?v=1776405388 Valsartan Impurity 8 | 137862-78-3 Valsartan Impurity 8|C4X-10578|137862-78-3 https://www.jk-sci.com/products/a01h08204 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/451506.png?v=1776313753 4-Chloro-2,6-dimethyl-nicotinic acid, 97% | 56022-09-4 4-Chloro-2,6-dimethyl-nicotinic acid, 97%|157923|56022-09-4 https://www.jk-sci.com/products/a01h08236 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890f6f941a59693009656ed3ee7131a2.jpg?v=1776313756 4-Iodopyridine-2-carboxylic acid, 97% | 405939-79-9 4-Iodopyridine-2-carboxylic acid, 97%|100110|405939-79-9 https://www.jk-sci.com/products/a019342400 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b8f16546-aa07-4972-ba50-3090aeffef16.png?v=1776304791 [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide, 95%|9342400 https://www.jk-sci.com/products/a019342401 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a731dcc5-4f64-4b8c-bdc8-271bae1cfa0c.png?v=1776304794 [S(R)]-N-[(S)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(3,5-Dimethylphenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342401 https://www.jk-sci.com/products/s57c4x-105815 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a019342402 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2238dc29-a79c-466b-82a4-558298e0c406.png?v=1776304797 [S(R)]-N-[(S)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-3,5-Bis(trifluoromethyl)phenyl)[2-(Diadamantanphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9342402 https://www.jk-sci.com/products/a01h08258 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601514.png?v=1776313774 3-Nitro-4-pyridinecarboxylic acid, 97% | 59290-82-3 3-Nitro-4-pyridinecarboxylic acid, 97%|111443|59290-82-3 https://www.jk-sci.com/products/a01h08254 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281927_a3239266-96eb-47a3-8c92-cde33cc55d9f.png?v=1776313765 5-Nitro-2-pyridinecarboxylic acid, 97% | 30651-24-2 5-Nitro-2-pyridinecarboxylic acid, 97%|100138|30651-24-2 https://www.jk-sci.com/products/s57c4x-105834 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e3545f9e98f4a46d384c3f4fcadbd3c_64f42b09-c010-4044-aa38-47a180f8153d.jpg?v=1776405400 Memantine Impurity 34 | 702-77-2 Memantine Impurity 34|C4X-105834|702-77-2 https://www.jk-sci.com/products/a01h08285 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500805.png?v=1776313782 2-Methylpyridine-4-carboxylic acid, 97% | 4021-11-8 2-Methylpyridine-4-carboxylic acid, 97%|103793|4021-11-8 https://www.jk-sci.com/products/s57c4x-105846 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e06672a221052bfb72670b78e333d7ea.jpg?v=1776405407 1,3,5-Tribromoadamantane | 707-34-6 1,3,5-Tribromoadamantane|C4X-105846|707-34-6 https://www.jk-sci.com/products/s57c4x-105837 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d237d064cdd41dee982980cda25faf01.jpg?v=1776405403 Memantine Related Compound H | 15210-60-3 Memantine Related Compound H|C4X-105837|15210-60-3 https://www.jk-sci.com/products/a019342403 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34c5a5ab9babf3572e72897e3ce6f54.jpg?v=1776304800 [S(S)]-N-[(1S)-1-[2-(Diphenylphosphino)phenyl]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95% | 2419935-17-2 [S(S)]-N-[(1S)-1-[2-(Diphenylphosphino)phenyl]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95%|9342403|2419935-17-2 https://www.jk-sci.com/products/a019342427 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a7ca3b18a7ef859be242144b08d9c4f.jpg?v=1776304805 [S(S)]-N-[(1R)-1-[2-(Diphenylphosphino)phenyl]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95% | 2618832-48-5 [S(S)]-N-[(1R)-1-[2-(Diphenylphosphino)phenyl]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95%|9342427|2618832-48-5 https://www.jk-sci.com/products/a01h08318 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103114.png?v=1776313803 Ethyl 4,6-dichloronicotinate, 97% | 40296-46-6 Ethyl 4,6-dichloronicotinate, 97%|203867|40296-46-6 https://www.jk-sci.com/products/a01h08309 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294212.png?v=1776313796 3-Methyl-2-nitropyridine, 97% | 18368-73-5 3-Methyl-2-nitropyridine, 97%|153363|18368-73-5 https://www.jk-sci.com/products/a01h09002 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/555160.png?v=1776313809 5-(4-Nitrophenyl)-2H-pyrazol-3-ylamine, 99% | 78583-83-2 5-(4-Nitrophenyl)-2H-pyrazol-3-ylamine, 99%|100143|78583-83-2 https://www.jk-sci.com/products/a01h09016 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/639790.png?v=1776313812 N,1,5-Trimethyl-1H-pyrazole-3-amine, 98% | 646506-40-3 N,1,5-Trimethyl-1H-pyrazole-3-amine, 98%|221407|646506-40-3 https://www.jk-sci.com/products/s57c4x-105922 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0920a89f4c7806d5c525ff8e3040b062.jpg?v=1776405424 Cinacalcet Impurity 22 | 21172-43-0 Cinacalcet Impurity 22|C4X-105922|21172-43-0 https://www.jk-sci.com/products/s57c4x-105924 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814230.png?v=1774714649 Cinacalcet Impurity 24 | 78573-45-2 Cinacalcet Impurity 24|C4X-105924|78573-45-2 https://www.jk-sci.com/products/a01h09021 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546710.png?v=1776313818 5-Chloromethyl-1,3-dimethyl-1H-pyrazole, 97% | 852227-86-2 5-Chloromethyl-1,3-dimethyl-1H-pyrazole, 97%|100148|852227-86-2 https://www.jk-sci.com/products/a01h09025 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337520.png?v=1776313821 2-Bromo-1-(1,3-dimethyl-1H-pyrazol-5-yl)ethanone, 90% | 1015936-63-6 2-Bromo-1-(1,3-dimethyl-1H-pyrazol-5-yl)ethanone, 90%|100152|1015936-63-6 https://www.jk-sci.com/products/s57c4x-10596 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456027e3ad9fff10c62c1d673237338a.jpg?v=1776405427 Cinacalcet Impurity 6 | 1428118-39-1 Cinacalcet Impurity 6|C4X-10596|1428118-39-1 https://www.jk-sci.com/products/a019343016 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6baa830252f13900c87bf580d12b7e9f.jpg?v=1776304812 (R)-N-((S)-(3,5-difluorophenyl)(5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)methyl)-2-methylpropane-2-sulfinamide, 95% | 2696252-33-0 (R)-N-((S)-(3,5-difluorophenyl)(5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)methyl)-2-methylpropane-2-sulfinamide, 95%|9343016|2696252-33-0 https://www.jk-sci.com/products/a019343070 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb0cae35cba1a55f8c1ec606ecea78ea.jpg?v=1776304817 [S(R)]-N-[(S)-[1,1'-Biphenyl]-4-yl(5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)methyl]-2-methylpropane-2-sulfinamide, 95% | 2538526-69-9 [S(R)]-N-[(S)-[1,1'-Biphenyl]-4-yl(5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)methyl]-2-methylpropane-2-sulfinamide, 95%|9343070|2538526-69-9 https://www.jk-sci.com/products/a01h10071 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587316.png?v=1776313864 2-Hydroxy-4-amino-5-(hydroxymethyl)pyrimidine, 93.5% | 1123-95-1 2-Hydroxy-4-amino-5-(hydroxymethyl)pyrimidine, 93.5%|245347|1123-95-1 https://www.jk-sci.com/products/a01h10082 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627981.png?v=1776313873 Methyl 5-bromo-2-(methylthio)pyrimidine-4-carboxylate, 97% | 50593-91-4 Methyl 5-bromo-2-(methylthio)pyrimidine-4-carboxylate, 97%|157895|50593-91-4 https://www.jk-sci.com/products/s57c4x-106019 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_240f4c17-a494-467e-a20e-182d3896b3da.png?v=1774644376 Bromhexine Impurity 19 Bromhexine Impurity 19|C4X-106019 https://www.jk-sci.com/products/s57c4x-106014 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493319.png?v=1774974076 Bromhexine EP Impurity C | 57365-08-9 Bromhexine EP Impurity C|C4X-106014|57365-08-9 https://www.jk-sci.com/products/a01h10133 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273663.png?v=1776313910 2-Amino-4,6-dimethylpyrimidine, 97% | 767-15-7 2-Amino-4,6-dimethylpyrimidine, 97%|102179|767-15-7 https://www.jk-sci.com/products/a01h10084 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407703.png?v=1776313876 5-Bromo-2-fluoropyrimidine, 97% | 62802-38-4 5-Bromo-2-fluoropyrimidine, 97%|258251|62802-38-4 https://www.jk-sci.com/products/a019343195 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc4d2e42e22fc4b4778f8e10aaf7523.jpg?v=1776304823 [S(R)]-N-[(S)-(5-(Diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)(2-isopropylphenyl)methyl]-2-methylpropane-2-sulfinamide, 95% | 2374225-96-2 [S(R)]-N-[(S)-(5-(Diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)(2-isopropylphenyl)methyl]-2-methylpropane-2-sulfinamide, 95%|9343195|2374225-96-2 https://www.jk-sci.com/products/s57c4x-106034 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235636.png?v=1775078543 Bromhexine Impurity 34 | 606-00-8 Bromhexine Impurity 34|C4X-106034|606-00-8 https://www.jk-sci.com/products/s57c4x-10605 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b1df22d2e7b23f0cc71a6232f953023.jpg?v=1776405439 Bromhexine EP Impurity E | 1660957-93-6 Bromhexine EP Impurity E|C4X-10605|1660957-93-6 https://www.jk-sci.com/products/a01h11028 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243289.png?v=1776313936 1-Boc-3-aminopiperidine, 98% | 184637-48-7 1-Boc-3-aminopiperidine, 98%|123940|184637-48-7 https://www.jk-sci.com/products/a01h12001 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333660.png?v=1776313952 1-Benzoylpiperazine, 98% | 13754-38-6 1-Benzoylpiperazine, 98%|278158|13754-38-6 https://www.jk-sci.com/products/a019344532 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_008050f3-fdaf-48a2-8b01-7767a12925f5.png?v=1776304844 [S(R)]-N-[(S)-[3,5-Bis(1,1-dimethylethyl)-4 methoxyphenyl][2-(diadamantanphosphanyl)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[3,5-Bis(1,1-dimethylethyl)-4 methoxyphenyl][2-(diadamantanphosphanyl)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9344532 https://www.jk-sci.com/products/a019344533 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f64a28b1-e6da-4c33-920a-2f421b1be8ed.png?v=1776304847 [S(R)]-N-[(R)-[3,5-Bis(1,1-dimethylethyl)-4 methoxyphenyl][2-(diadamantanphosphanyl)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[3,5-Bis(1,1-dimethylethyl)-4 methoxyphenyl][2-(diadamantanphosphanyl)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9344533 https://www.jk-sci.com/products/a019345527 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c1356469a4f30f72d0ff9f928020980.jpg?v=1776304899 2,4,6-Tris(diphenylamino)-3,5-difluorobenzonitrile, 98% | 1403850-00-9 2,4,6-Tris(diphenylamino)-3,5-difluorobenzonitrile, 98%|9345527|1403850-00-9 https://www.jk-sci.com/products/a01h13005 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214478.png?v=1776313962 3-Amino-6-chloropyridazine, 98% | 5469-69-2 3-Amino-6-chloropyridazine, 98%|239571|5469-69-2 https://www.jk-sci.com/products/a01h13021 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295185.png?v=1776313970 3-Chloro-6-(4-methylpiperazin-1-yl)pyridazine, 97% | 27464-17-1 3-Chloro-6-(4-methylpiperazin-1-yl)pyridazine, 97%|102186|27464-17-1 https://www.jk-sci.com/products/s57c4x-10623 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65a0f47fc183a2c3578521fdf6f2d6f6.jpg?v=1776405460 Edaravone Impurity 3 | 1323485-71-7 Edaravone Impurity 3|C4X-10623|1323485-71-7 https://www.jk-sci.com/products/a019345765 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d788f77a476bf83907dbe839b289bb51.jpg?v=1776304911 Bis(3-aminophenyl) acetylene, 97% | 102852-93-7 Bis(3-aminophenyl) acetylene, 97%|9345765|102852-93-7 https://www.jk-sci.com/products/a01h13019 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558423.png?v=1776313967 6-Chloro-N-m-tolylpyridazin-3-amine, 98% | 79232-87-4 6-Chloro-N-m-tolylpyridazin-3-amine, 98%|102185|79232-87-4 https://www.jk-sci.com/products/a01h23024 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214290_75c14b0d-4bd9-4b47-9664-77793c9e5a67.png?v=1776313984 Methyl 3-amino-4-methylthiophene-2-carboxylate, 98% | 85006-31-1 Methyl 3-amino-4-methylthiophene-2-carboxylate, 98%|150562|85006-31-1 https://www.jk-sci.com/products/s57c4x-10626 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d05d2db25117f0214e6dfd2ab855bd92.jpg?v=1776405470 Edaravone Impurity 6 | 124009-63-8 Edaravone Impurity 6|C4X-10626|124009-63-8 https://www.jk-sci.com/products/s57c4x-1063101 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7033eb873068e15630cd267c5754b3bf.jpg?v=1776405484 Edoxaban N-Oxide Monomer Impurity 2 | 1974272-84-8 Edoxaban N-Oxide Monomer Impurity 2|C4X-1063101|1974272-84-8 https://www.jk-sci.com/products/a01h29070 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521627_1f532521-5187-4879-8496-5bbb133d6ccf.png?v=1776314023 5-Methoxy-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid, 98% | 17288-36-7 5-Methoxy-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid, 98%|102191|17288-36-7 https://www.jk-sci.com/products/a01h28004 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606287_6e109df4-a816-4dcf-80ad-10f7441c897f.png?v=1776314006 (S)-4-(4-Aminobenzyl)-2-oxazolidinone, 98% | 152305-23-2 (S)-4-(4-Aminobenzyl)-2-oxazolidinone, 98%|185834|152305-23-2 https://www.jk-sci.com/products/s57c4x-1063 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f81fd5d621b491d7984154a54f467c3.jpg?v=1776405478 Edoxaban | 480449-70-5 Edoxaban|C4X-1063|480449-70-5 https://www.jk-sci.com/products/s57c4x-106315 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/788557774eb5e8a4afda237c7fcecd4b.jpg?v=1776405495 Edoxaban Impurity 15 | 2803372-49-6 Edoxaban Impurity 15|C4X-106315|2803372-49-6 https://www.jk-sci.com/products/a019347216 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d66fe807d0565e8e690565e807f63a7d.jpg?v=1776304937 N-[(S)-1-((R)-2-(Anthracen-9-yl)phenyl)-2-(diphenylphosphanyl)ethyl]-3,5-bis(trifluoromethyl)benzamide, 95% | 2011787-22-5 N-[(S)-1-((R)-2-(Anthracen-9-yl)phenyl)-2-(diphenylphosphanyl)ethyl]-3,5-bis(trifluoromethyl)benzamide, 95%|9347216|2011787-22-5 https://www.jk-sci.com/products/s57c4x-106333 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41ca0327c0d5c00371576ff59852ab52.jpg?v=1776405508 Edoxaban Impurity 33 | 349125-14-0 Edoxaban Impurity 33|C4X-106333|349125-14-0 https://www.jk-sci.com/products/s57c4x-10633 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01h29102 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539884_0956042d-bb35-49d5-b242-dba961685bed.png?v=1776314046 5-Fluorooxindole, 98% | 56341-41-4 5-Fluorooxindole, 98%|166627|56341-41-4 https://www.jk-sci.com/products/a01h29104 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476042_2271fee6-6958-448b-b242-952beac8c86b.png?v=1776314050 6-Chloro-1H-indole-2-carboxylic acid, 97% | 16732-75-5 6-Chloro-1H-indole-2-carboxylic acid, 97%|100116|16732-75-5 https://www.jk-sci.com/products/s57c4x-106356 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71f6ff0b7d19c1672b543f8b289f3858.jpg?v=1776405520 Edoxaban Impurity 56 | 2852734-46-2 Edoxaban Impurity 56|C4X-106356|2852734-46-2 https://www.jk-sci.com/products/a01h29110 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2df0d607d178da6f31cac8945d35f40a.jpg?v=1776314054 5-Bromo-2-oxindole, 98% | 20870-78-4 5-Bromo-2-oxindole, 98%|218763|20870-78-4 https://www.jk-sci.com/products/a01h29111 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359658.png?v=1776314057 4-Aminoindole, 97% | 5192-23-4 4-Aminoindole, 97%|130926|5192-23-4 https://www.jk-sci.com/products/a01h89006 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b70931d4d3713979b665a4ed91f6447.jpg?v=1776314066 1,2,3,4-Thiatriazol-5-amine, 99% | 6630-99-5 1,2,3,4-Thiatriazol-5-amine, 99%|102619|6630-99-5 https://www.jk-sci.com/products/a01h89030 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461607.png?v=1776314072 2,4-Dimethyl-1,3-thiazole-5-carboxylic acid, 97% | 53137-27-2 2,4-Dimethyl-1,3-thiazole-5-carboxylic acid, 97%|100121|53137-27-2 https://www.jk-sci.com/products/s57c4x-1065112 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b345821c8ba35ea0d2aaba389e2bcea.jpg?v=1776405595 Empagliflozin Impurity 112 | 1628918-34-2 Empagliflozin Impurity 112|C4X-1065112|1628918-34-2 https://www.jk-sci.com/products/s57c4x-106511 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5fe9f5bb-e938-4947-a7a5-ecaac4e7fa97.png?v=1775055515 Empagliflozin Impurity 11 Empagliflozin Impurity 11|C4X-106511 https://www.jk-sci.com/products/s57c4x-1065114 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bbb9529f5369f58f11d57f9efa4efd9.jpg?v=1776405602 Empagliflozin Impurity 114 | 1459754-32-5 Empagliflozin Impurity 114|C4X-1065114|1459754-32-5 https://www.jk-sci.com/products/s57c4x-106481 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136507.png?v=1774880209 Ibrutinib Impurity 81 | 143667-36-1 Ibrutinib Impurity 81|C4X-106481|143667-36-1 https://www.jk-sci.com/products/s57c4x-106475 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f7cbfab1c6cd3cebc09a91c1ce4aa5a.jpg?v=1776405572 Ibrutinib Impurity 75 | 2437254-47-0 Ibrutinib Impurity 75|C4X-106475|2437254-47-0 https://www.jk-sci.com/products/s57c4x-10641 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a8cd22e9a18539a9895cfe8624cb494.jpg?v=1776405541 Ibrutinib Impurity 1 | 936563-97-2 Ibrutinib Impurity 1|C4X-10641|936563-97-2 https://www.jk-sci.com/products/s57c4x-106445 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fd30a0b89ece6aac8a8d6d5753b1676.jpg?v=1776405564 Ibrutinib-d5 | 1553977-17-5 Ibrutinib-d5|C4X-106445|1553977-17-5 https://www.jk-sci.com/products/s57c4x-10645 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f12e71ae5c4b4104852c892a4c0841c1.jpg?v=1776405569 Ibrutinib Impurity 5 | 1987905-93-0 Ibrutinib Impurity 5|C4X-10645|1987905-93-0 https://www.jk-sci.com/products/s57c4x-106419 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b99c7f2e0c27cc614779e153322e6449.jpg?v=1776405558 Ibrutinib Impurity 19 | 1917333-91-5 Ibrutinib Impurity 19|C4X-106419|1917333-91-5 https://www.jk-sci.com/products/s57c4x-10649 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ca4f4ac6-e72d-4c27-aafe-7855df6d8bf7.png?v=1775153014 Ibrutinib Impurity 9 Ibrutinib Impurity 9|C4X-10649 https://www.jk-sci.com/products/s57c4x-1065 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142f42aef4d64ea2dd61a23c8da1c2a9.jpg?v=1776405578 Empagliflozin | 864070-44-0 Empagliflozin|C4X-1065|864070-44-0 https://www.jk-sci.com/products/a01n01005 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127851.png?v=1776314100 Solanesol, 90% | 13190-97-1 Solanesol, 90%|210655|13190-97-1 https://www.jk-sci.com/products/a01y01006 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438957_e381e7f2-91f4-4965-b268-4b3a6c0ff306.png?v=1776314117 4-Fluorobenzoylacetonitrile, 98% | 4640-67-9 4-Fluorobenzoylacetonitrile, 98%|121610|4640-67-9 https://www.jk-sci.com/products/a01n02001 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162106_f4284e91-8334-4c7d-811c-f0dd3e85777a.png?v=1776314106 β-Carotene, 97% | 7235-40-7 β-Carotene, 97%|157798|7235-40-7 https://www.jk-sci.com/products/a01h89032 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455066.png?v=1776314075 2-Methyl-1,3-thiazole-4-carboxylic acid, 97% | 35272-15-2 2-Methyl-1,3-thiazole-4-carboxylic acid, 97%|102205|35272-15-2 https://www.jk-sci.com/products/s57c4x-102812 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e112f2d499d56f4594b487714fa16d66.jpg?v=1776404702 Lurasidone Impurity 12 | 1807607-99-3 Lurasidone Impurity 12|C4X-102812|1807607-99-3 https://www.jk-sci.com/products/a01y02092 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622966.png?v=1776314140 2-Chloro-6-methylpyrimidin-4-yl-amine, 97% | 14394-60-6 2-Chloro-6-methylpyrimidin-4-yl-amine, 97%|102207|14394-60-6 https://www.jk-sci.com/products/s57c4x-106510 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cae4143d535bd51855ad9eea9a1dd9aa.jpg?v=1776405584 Empagliflozin Impurity 10 | 2452301-42-5 Empagliflozin Impurity 10|C4X-106510|2452301-42-5 https://www.jk-sci.com/products/a01y02100 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615360.png?v=1776314146 Benzylamine hydrochloride, 99% | 3287-99-8 Benzylamine hydrochloride, 99%|222683|3287-99-8 https://www.jk-sci.com/products/s57c4x-1064100 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_26773439-7c11-4006-adeb-30305ff71c85.png?v=1774892474 Ibrutinib Impurity 100 Ibrutinib Impurity 100|C4X-1064100 https://www.jk-sci.com/products/a01y06001 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524649.png?v=1776314167 1,4-Diiodobutane, 99%, stabilized with copper | 628-21-7 1,4-Diiodobutane, 99%, stabilized with copper|232310|628-21-7 https://www.jk-sci.com/products/a01y02066 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269417.png?v=1776314127 2-Fluoro-5-methylaniline, 99% | 452-84-6 2-Fluoro-5-methylaniline, 99%|111407|452-84-6 https://www.jk-sci.com/products/a01y03004 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350131_4e1f0c2a-269a-417b-ad8c-8edb8e31925c.png?v=1776314153 N-(2-Chlorobenzyloxycarbonyloxy)succinimide, 98% | 65853-65-8 N-(2-Chlorobenzyloxycarbonyloxy)succinimide, 98%|103198|65853-65-8 https://www.jk-sci.com/products/s57c4x-10311 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99f38963ca02d9f0e5eded516cee03c6.jpg?v=1776404777 Montelukast EP Impurity A(Sodium Salt) | 190078-45-6 Montelukast EP Impurity A(Sodium Salt)|C4X-10311|190078-45-6 https://www.jk-sci.com/products/a019347330 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c31141fb4b6f33b2f1eb726d7ab0364.jpg?v=1776304940 3-(diphenylphosphine)benzoic acid, 97% | 2129-30-8 3-(diphenylphosphine)benzoic acid, 97%|9347330|2129-30-8 https://www.jk-sci.com/products/a019347774 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a75a58f79d2853563091375a0b4cd301.jpg?v=1776304952 [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[1-(diadamantanphosphanyl)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95% | 2565792-81-4 [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[1-(diadamantanphosphanyl)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95%|9347774|2565792-81-4 https://www.jk-sci.com/products/a01y09007 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606204_ab779913-4284-467c-a4c7-ecf0f85fa066.png?v=1776314186 Trimethylamine N-oxide dihydrate, 98% | 62637-93-8 Trimethylamine N-oxide dihydrate, 98%|236579|62637-93-8 https://www.jk-sci.com/products/a01y12001 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143567_6290c2c8-4e1d-4fba-96ea-6f27a01d0a13.png?v=1776314198 2,4-Dimethoxybenzaldehyde, 98% | 613-45-6 2,4-Dimethoxybenzaldehyde, 98%|157348|613-45-6 https://www.jk-sci.com/products/a01y10002 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120030.png?v=1776314189 Nonyl aldehyde, 95% | 124-19-6 Nonyl aldehyde, 95%|248648|124-19-6 https://www.jk-sci.com/products/a01y07011 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349130.png?v=1776314174 2,2,2-Trifluoroacetamide, 99% | 354-38-1 2,2,2-Trifluoroacetamide, 99%|293435|354-38-1 https://www.jk-sci.com/products/a01y12004 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288435.png?v=1780318650 2,4-Dinitrobenzaldehyde, 97% | 528-75-6 2,4-Dinitrobenzaldehyde, 97%|196026|528-75-6 https://www.jk-sci.com/products/a01y16002 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467411.png?v=1776314212 3,5-Difluorophenylacetic acid, 99% | 105184-38-1 3,5-Difluorophenylacetic acid, 99%|233239|105184-38-1 https://www.jk-sci.com/products/a01y17044 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236628.png?v=1776314236 Methyl cinnamate, 98% | 103-26-4 Methyl cinnamate, 98%|124255|103-26-4 https://www.jk-sci.com/products/s57c4x-105515 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01y20027 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/635050.png?v=1776314253 tert-Butyl 2-(N-(3-aminobenzyl)-N-methylamino)acetate, 97% | 1116339-81-1 tert-Butyl 2-(N-(3-aminobenzyl)-N-methylamino)acetate, 97%|195458|1116339-81-1 https://www.jk-sci.com/products/a01y28030 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121308.png?v=1776314290 2,4,6-Trifluorophenol, 99% | 2268-17-9 2,4,6-Trifluorophenol, 99%|145629|2268-17-9 https://www.jk-sci.com/products/s57c4x-105645 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df01a5bbfada84affdc2537d749a943d.jpg?v=1776405299 Vortioxetine Impurity 45 | 2925447-38-5 Vortioxetine Impurity 45|C4X-105645|2925447-38-5 https://www.jk-sci.com/products/a01y28032 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333077.png?v=1776314294 2-Amino-5-fluorophenol, 97% | 53981-24-1 2-Amino-5-fluorophenol, 97%|119773|53981-24-1 https://www.jk-sci.com/products/a01y29009 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/031cca2c4db99fad668973f92e13a08a.jpg?v=1776314301 2,3-Dichlorophenylhydrazine hydrochloride, 97% | 21938-47-6 2,3-Dichlorophenylhydrazine hydrochloride, 97%|262630|21938-47-6 https://www.jk-sci.com/products/a019347830 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c69fe8afa8756696edb0293114d934e9.jpg?v=1776304961 [S(R)]-N-[(S)-(4-(tert-Butyl)phenyl)[2-(diphenylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% | 2628235-12-9 [S(R)]-N-[(S)-(4-(tert-Butyl)phenyl)[2-(diphenylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9347830|2628235-12-9 https://www.jk-sci.com/products/a01y77103 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499306.png?v=1780605111 Triisopropanolamine cyclic borate, 98% | 101-00-8 Triisopropanolamine cyclic borate, 98%|193087|101-00-8 https://www.jk-sci.com/products/a01y80003 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460433_f942a917-94d7-4061-aad4-089439d9c35a.png?v=1776314338 Formylbis(triphenylphosphoranyl)rhodium(IV) chloride, Rh ≥14.45% | 13938-94-8 Formylbis(triphenylphosphoranyl)rhodium(IV) chloride, Rh ≥14.45%|170931|13938-94-8 https://www.jk-sci.com/products/a01935354 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360199_00ff214e-b77a-48b9-a8d3-6d3cbed33011.png?v=1776305053 Kaolin, 1250 mesh | 1332-58-7 Kaolin, 1250 mesh|935354|1332-58-7 https://www.jk-sci.com/products/a01935004 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480624.png?v=1776305014 4-Chlorobenzenesulfonamide, 98% | 98-64-6 4-Chlorobenzenesulfonamide, 98%|935004|98-64-6 https://www.jk-sci.com/products/a019348920 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d245f3ffc95b06f2d2294024d4538106.jpg?v=1776304985 5,5'-Diamino-3,3,3',3'-tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-6,6'-diol, 98% | 753437-92-2 5,5'-Diamino-3,3,3',3'-tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-6,6'-diol, 98%|9348920|753437-92-2 https://www.jk-sci.com/products/a019349496 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8ea2f712d38046834dc7a38f7614fa3.jpg?v=1776305009 Phenyl((trimethylsilyl)ethynyl)iodonium trifluoromethanesulfonate, 97% | 133816-00-9 Phenyl((trimethylsilyl)ethynyl)iodonium trifluoromethanesulfonate, 97%|9349496|133816-00-9 https://www.jk-sci.com/products/a01101989 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1093716.png?v=1784642479 Fasudil dihydrochloride, 99% | 203911-27-7 Fasudil dihydrochloride, 99%|101989|203911-27-7 https://www.jk-sci.com/products/a01935456 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/064cc9906a7ea75594796ed1effa7eaa_bf826e12-25c9-481a-a00c-ae2a1ccbaee9.jpg?v=1776305068 (+)-Cedrol, 98% | 77-53-2 (+)-Cedrol, 98%|935456|77-53-2 https://www.jk-sci.com/products/a011020872 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1020872_24634d99-f3d6-443d-bf01-0363a07631a0.png?v=1784642497 Sitagliptin phosphate monohydrate, 97%, DPP-IV inhibitor | 654671-77-9 Sitagliptin phosphate monohydrate, 97%, DPP-IV inhibitor|1020872|654671-77-9 https://www.jk-sci.com/products/a01935769 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278549_71a36584-c1b2-4562-b0af-2bf4c6560ae3.png?v=1776305102 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene, 98% | 2519-10-0 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene, 98%|935769|2519-10-0 https://www.jk-sci.com/products/a01102094 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102094.png?v=1784642501 4'-Fluoro-3'-(trifluoromethyl)acetophenone, 98% | 208173-24-4 4'-Fluoro-3'-(trifluoromethyl)acetophenone, 98%|102094|208173-24-4 https://www.jk-sci.com/products/a01935497 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499981_2e6c2ee9-dc84-4069-b3fd-652a8108ac21.png?v=1771025101 4-Hydroxybenzhydrazide, 98% | 5351-23-5 4-Hydroxybenzhydrazide, 98%|935497|5351-23-5 https://www.jk-sci.com/products/s57c4x-105923 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a011021466 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591359.png?v=1784642506 (R)-(+)-9-(2-Hydroxypropyl)adenine, 98% | 14047-28-0 (R)-(+)-9-(2-Hydroxypropyl)adenine, 98%|1021466|14047-28-0 https://www.jk-sci.com/products/s57c4x-106033 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7b16c3e0-d29e-484a-aa2e-5fcd6b061fe1.png?v=1775078538 Bromhexine Impurity 7 HCl Bromhexine Impurity 7 HCl|C4X-106033 https://www.jk-sci.com/products/a011022844 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4aa6523e3cd96f88105c1170ae6abb0.jpg?v=1784642523 10,10´-Dibromo-9,9´-bianthracene, 98% | 121848-75-7 10,10´-Dibromo-9,9´-bianthracene, 98%|1022844|121848-75-7 https://www.jk-sci.com/products/a01102344 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102344.png?v=1784642528 4-Methyl-2,1,3-benzothiadiazole, 98% | 1457-92-7 4-Methyl-2,1,3-benzothiadiazole, 98%|102344|1457-92-7 https://www.jk-sci.com/products/a011023050 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1023050.png?v=1784642529 9-(4-Bromophenyl)carbazole, 98% | 57102-42-8 9-(4-Bromophenyl)carbazole, 98%|1023050|57102-42-8 https://www.jk-sci.com/products/a01935937 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330003.png?v=1776305109 5-Methyl-2-nitrophenol, 97% | 700-38-9 5-Methyl-2-nitrophenol, 97%|935937|700-38-9 https://www.jk-sci.com/products/a011024643 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/183fae23e0d7e40de523b905f6b14c42.jpg?v=1784642551 1,1'-(1,3-Phenylene)bis-1H-1,2,4-triazole, 98% | 514222-44-7 1,1'-(1,3-Phenylene)bis-1H-1,2,4-triazole, 98%|1024643|514222-44-7 https://www.jk-sci.com/products/a01102767 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102767.png?v=1784642560 4-(Aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazol, 98%, derivatization grade | 91366-65-3 4-(Aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazol, 98%, derivatization grade|102767|91366-65-3 https://www.jk-sci.com/products/a01102914 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102914.png?v=1784642569 4-Nitrophthalonitrile, 99% | 31643-49-9 4-Nitrophthalonitrile, 99%|102914|31643-49-9 https://www.jk-sci.com/products/a01102794 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102794.png?v=1784642565 1H,1H,10H,10H-Perfluorodecane-1,10-diol, 96% | 754-96-1 1H,1H,10H,10H-Perfluorodecane-1,10-diol, 96%|102794|754-96-1 https://www.jk-sci.com/products/a01103028 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619973.png?v=1784642572 3-(Trimethylsilylethynyl)thiophene, 96% | 130995-13-0 3-(Trimethylsilylethynyl)thiophene, 96%|103028|130995-13-0 https://www.jk-sci.com/products/a011030467 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/648b540755370711a295b5b72fdef63a.jpg?v=1784642576 2,7-Dibromo-9-(1-octylnonyl)-9H-carbazole, 98% | 955964-73-5 2,7-Dibromo-9-(1-octylnonyl)-9H-carbazole, 98%|1030467|955964-73-5 https://www.jk-sci.com/products/a01277535 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243843.png?v=1784652913 p-Tolylacetic acid, 98% | 622-47-9 p-Tolylacetic acid, 98%|277535|622-47-9 https://www.jk-sci.com/products/s57c4x-106418 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/366771bea0441c460e0d616720147b69.jpg?v=1776405555 Ibrutinib Impurity 18 | 2417548-76-4 Ibrutinib Impurity 18|C4X-106418|2417548-76-4 https://www.jk-sci.com/products/a01277795 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784471.png?v=1784652924 4-Chloro-2-(methylsulfonyl)pyrimidine, 98% | 97229-11-3 4-Chloro-2-(methylsulfonyl)pyrimidine, 98%|277795|97229-11-3 https://www.jk-sci.com/products/a01277989 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277989.png?v=1784652931 Dibenzothiophene-2-boronic acid, 95%, contains varying amounts of anhydride | 668983-97-9 Dibenzothiophene-2-boronic acid, 95%, contains varying amounts of anhydride|277989|668983-97-9 https://www.jk-sci.com/products/a01278255 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278255.png?v=1784652937 5-Bromo-4-chloro-3-indolyl 2-acetamido-2-deoxy-β-D-galactopyranoside, 98%, Ultrapure | 129572-48-1 5-Bromo-4-chloro-3-indolyl 2-acetamido-2-deoxy-β-D-galactopyranoside, 98%, Ultrapure|278255|129572-48-1 https://www.jk-sci.com/products/a01935955 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162048.png?v=1776305116 Tetrandrine, 98%, from fourstamen stephania root | 518-34-3 Tetrandrine, 98%, from fourstamen stephania root|935955|518-34-3 https://www.jk-sci.com/products/a01278547 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278547.png?v=1784652956 2-Chloro-5- (4-chlorophenyl) pyrimidine, 97% | 27956-40-7 2-Chloro-5- (4-chlorophenyl) pyrimidine, 97%|278547|27956-40-7 https://www.jk-sci.com/products/a01278370 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aec3c672786fa298d1c5ed6a2d9eacf.jpg?v=1784652941 2-Ethylimidazole, 99% | 1072-62-4 2-Ethylimidazole, 99%|278370|1072-62-4 https://www.jk-sci.com/products/a01278676 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784489.png?v=1784652962 Ethyl 2,4-dimethylquinoline-3-carboxylate, 97% | 116270-38-3 Ethyl 2,4-dimethylquinoline-3-carboxylate, 97%|278676|116270-38-3 https://www.jk-sci.com/products/a01278684 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142075.png?v=1784652961 (S)-4-Bromo-α-methylbenzyl alcohol, 97% | 100760-04-1 (S)-4-Bromo-α-methylbenzyl alcohol, 97%|278684|100760-04-1 https://www.jk-sci.com/products/a01278718 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278718.png?v=1784652962 Dimethyl 5-iodoisophthalate, 97% | 51839-15-7 Dimethyl 5-iodoisophthalate, 97%|278718|51839-15-7 https://www.jk-sci.com/products/a01278787 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110165.png?v=1784652967 1,3-Dimethyl-1H-pyrazole-5-carboxamide, 97% | 136678-93-8 1,3-Dimethyl-1H-pyrazole-5-carboxamide, 97%|278787|136678-93-8 https://www.jk-sci.com/products/a01278838 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278838_beb092be-39b6-4248-aaab-dbfff0e2daba.png?v=1784652967 Wang resin, 100 - 200 mesh, 1.0 - 2.0mmol/g loading, cross-linked with 1% DVB Wang resin, 100 - 200 mesh, 1.0 - 2.0mmol/g loading, cross-linked with 1% DVB|278838 https://www.jk-sci.com/products/a01279031 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279031.png?v=1784652974 Methyl pyridine-2-carboxylate, 99% | 2459-07-6 Methyl pyridine-2-carboxylate, 99%|279031|2459-07-6 https://www.jk-sci.com/products/a01936024 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dd823b9b-2033-4030-adc2-51a61f69ae58.png?v=1776305118 [S(R)]-N-[(R)-(5-Trifluoromethyl)(2-(Dicyclohexylphosphino) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(5-Trifluoromethyl)(2-(Dicyclohexylphosphino) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|936024 https://www.jk-sci.com/products/a01103408 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578425.png?v=1784642598 4,6-Dimethyl-2-thiopyrimidine, 98% | 64942-98-9 4,6-Dimethyl-2-thiopyrimidine, 98%|103408|64942-98-9 https://www.jk-sci.com/products/a01103682 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103682.png?v=1784642609 2-Chloro-4-methylquinoline, 97% | 634-47-9 2-Chloro-4-methylquinoline, 97%|103682|634-47-9 https://www.jk-sci.com/products/a01103687 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257800.png?v=1784642612 2-(Hydroxymethyl)phenylboronic acid, 97% | 87199-14-2 2-(Hydroxymethyl)phenylboronic acid, 97%|103687|87199-14-2 https://www.jk-sci.com/products/s57c4x-106516 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87f6bb1620368aadd3adfe3ff738ea1b.jpg?v=1776405610 Empagliflozin Impurity 16 | 1620758-32-8 Empagliflozin Impurity 16|C4X-106516|1620758-32-8 https://www.jk-sci.com/products/a01103822 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103822.png?v=1784642613 ACES, 99% | 7365-82-4 ACES, 99%|103822|7365-82-4 https://www.jk-sci.com/products/a01103981 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318196.png?v=1784642629 Ginsenoside Rg3, 98%, from Panax ginseng C. A. Mey. | 14197-60-5 Ginsenoside Rg3, 98%, from Panax ginseng C. A. Mey.|103981|14197-60-5 https://www.jk-sci.com/products/a01104033 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298979.png?v=1784642635 Dichloro(cycloocta-1,5-diene)ruthenium(II), 97% | 50982-12-2 Dichloro(cycloocta-1,5-diene)ruthenium(II), 97%|104033|50982-12-2 https://www.jk-sci.com/products/a01104026 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796318.png?v=1784642629 3-(2,2-Dibromoacetyl)benzonitrile, 97% | 212374-08-8 3-(2,2-Dibromoacetyl)benzonitrile, 97%|104026|212374-08-8 https://www.jk-sci.com/products/a01104183 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104183.png?v=1784642638 (S)-3-(Boc-amino)-4-phenylbutyric acid, 98% | 51871-62-6 (S)-3-(Boc-amino)-4-phenylbutyric acid, 98%|104183|51871-62-6 https://www.jk-sci.com/products/j5300045 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a203cf64c64c6c4b5db8199349fe7b77.jpg?v=1784619732 5-Bromo-2'-deoxyuridine | 59-14-3 5-Bromo-2'-deoxyuridine|00045|59-14-3 https://www.jk-sci.com/products/j5300020 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0533fdcd0b41babbb48d4ff10ea78127_ad48011f-fdd5-44a6-b0c5-9f740339d96b.jpg?v=1776314411 Aminomethyl polystyrene resin | 89551-24-6 Aminomethyl polystyrene resin|00020|89551-24-6 https://www.jk-sci.com/products/j5300073 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69d77ded96eb1178d967135a52353860.jpg?v=1776314562 N-(2-Bromo-Z)succinimide | 128611-93-8 N-(2-Bromo-Z)succinimide|00073|128611-93-8 https://www.jk-sci.com/products/j5300082 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c7a5b75f8fe7bb09f9e58e869974158.jpg?v=1776314584 Crystal Violet | 548-62-9 Crystal Violet|00082|548-62-9 https://www.jk-sci.com/products/s57c4x-1065179 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a1b2dad7-9c29-481e-8c66-c705654e4d61.png?v=1774727534 Empagliflozin impurity Empagliflozin impurity|C4X-1065179 https://www.jk-sci.com/products/j5300126 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef5b8f21f989b92c22e3d96af49e9b49.jpg?v=1776314710 Erythromycin | 114-07-8 Erythromycin|00126|114-07-8 https://www.jk-sci.com/products/j5300153 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a653290dd2f799d55b189072d2cabbd.jpg?v=1776314790 L-Glutamic acid 5-(4-nitroanilide) monohydrate | 122864-94-2 L-Glutamic acid 5-(4-nitroanilide) monohydrate|00153|122864-94-2 https://www.jk-sci.com/products/j5300169 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f55a8dd60c318d599e8d9d1b88be4120.jpg?v=1776314839 Polyvinylpyrrolidone (MW 40,000) | 9003-39-8 Polyvinylpyrrolidone (MW 40,000)|00169|9003-39-8 https://www.jk-sci.com/products/j5300186 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fd3456bad28af0d3fbcd289b9825777.jpg?v=1784619922 Inosine-5'-diphosphate trisodium salt | 81012-88-6 Inosine-5'-diphosphate trisodium salt|00186|81012-88-6 https://www.jk-sci.com/products/j5300216 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e3e64a351b57b08f8d5a0b244caff74.jpg?v=1776314971 4-Methylumbelliferyl phosphate disodium salt | 22919-26-2 4-Methylumbelliferyl phosphate disodium salt|00216|22919-26-2 https://www.jk-sci.com/products/j5300272 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fff4793c2c53bfd54e7cc818bebbf06.jpg?v=1776315132 Lincomycin hydrochloride | 859-18-7 Lincomycin hydrochloride|00272|859-18-7 https://www.jk-sci.com/products/s57c4x-1065183 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9daa448e6d649f681d13b41ff209ca2.jpg?v=1776405626 Empagliflozin impurity 183 | 32746-79-5 Empagliflozin impurity 183|C4X-1065183|32746-79-5 https://www.jk-sci.com/products/j5300247 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135917a038589327c1823703a73fcb0f.jpg?v=1776315066 Piperazine-N,N'-bis(2-ethanesulfonic acid) 1.5 sodium salt | 100037-69-2 Piperazine-N,N'-bis(2-ethanesulfonic acid) 1.5 sodium salt|00247|100037-69-2 https://www.jk-sci.com/products/ts246cs-0095027 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/760f5269595444c538af3ea031322d30.jpg?v=1776467170 2,5-Dichloro-4-methyl-6-(methylthio)nicotinonitrile | 886047-53-6 2,5-Dichloro-4-methyl-6-(methylthio)nicotinonitrile|CS-0095027|886047-53-6 https://www.jk-sci.com/products/j5300290 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8de35bb59397985dbbd2cb2884a47b5.jpg?v=1776315186 2,2,2-Trifluoroacetamide | 354-38-1 2,2,2-Trifluoroacetamide|00290|354-38-1 https://www.jk-sci.com/products/a019361330 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3dbd08105f47c1d26bb5d9232d65a3d.jpg?v=1776305124 5-((4-(1,3-Dioxoisoindolin-2-yl)butyl)(ethyl)amino)-2-methylisoindoline-1,3-dione, 97% | 73819-87-1 5-((4-(1,3-Dioxoisoindolin-2-yl)butyl)(ethyl)amino)-2-methylisoindoline-1,3-dione, 97%|9361330|73819-87-1 https://www.jk-sci.com/products/j5300379 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a07e0693-6583-4b5b-b269-66d328c08971.png?v=1784619386 5'-O-(4,4'-Dimethoxytrityl)-N4-benzoyl-2'-deoxycytidine-3'-lcaa-CPG 5'-O-(4,4'-Dimethoxytrityl)-N4-benzoyl-2'-deoxycytidine-3'-lcaa-CPG|00379 https://www.jk-sci.com/products/a01126115 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137729.png?v=1784643998 4,6-Dimethyl-2-hydroxypyrimidine, 98% | 108-79-2 4,6-Dimethyl-2-hydroxypyrimidine, 98%|126115|108-79-2 https://www.jk-sci.com/products/j5300428 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/978e3111003284133418e84030c5e4de.jpg?v=1776315452 D-Arginine | 157-06-2 D-Arginine|00428|157-06-2 https://www.jk-sci.com/products/s57c4x-1065193 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5c93564-47b2-414e-ba60-5d3b1121623e.png?v=1774962253 Empagliflozin impurity 193 Empagliflozin impurity 193|C4X-1065193 https://www.jk-sci.com/products/s57c4x-106523 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ed32baf6dbe701094b0aa94d670cbde.jpg?v=1776405643 Empagliflozin Impurity 23 | 2452301-27-6 Empagliflozin Impurity 23|C4X-106523|2452301-27-6 https://www.jk-sci.com/products/j5300436 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a6230370215d65eaec596a1a9dd6024.jpg?v=1776315479 L-Tyrosine disodium salt dihydrate | 122666-87-9 L-Tyrosine disodium salt dihydrate|00436|122666-87-9 https://www.jk-sci.com/products/a01126290 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126290.png?v=1784644014 2-Hydroxyfluorene, 97% | 2443-58-5 2-Hydroxyfluorene, 97%|126290|2443-58-5 https://www.jk-sci.com/products/j5300011 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6972a13e87f226592ced70f30da8cd14.jpg?v=1784618874 Adenosine-5'-diphosphate trilithium salt | 31008-64-7 Adenosine-5'-diphosphate trilithium salt|00011|31008-64-7 https://www.jk-sci.com/products/j5300502 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a9ad191350726222a01eb262b381ee.jpg?v=1784619927 Inosine-5'-monophosphate disodium salt hydrate | 4691-65-0 Inosine-5'-monophosphate disodium salt hydrate|00502|4691-65-0 https://www.jk-sci.com/products/s57c4x-1065217 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8811a13f-4ccf-460f-8b04-490bca9bbe6d.png?v=1774672575 Empagliflozin Impurity 217 Empagliflozin Impurity 217|C4X-1065217 https://www.jk-sci.com/products/j5300477 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/929506fb3e164086941c59cad39be294.jpg?v=1776315557 Benzoic acid | 65-85-0 Benzoic acid|00477|65-85-0 https://www.jk-sci.com/products/j5300064 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bccd3846cdaeccabec90cb22d369697.jpg?v=1776314539 2-Chlorobenzyl alcohol | 17849-38-6 2-Chlorobenzyl alcohol|00064|17849-38-6 https://www.jk-sci.com/products/s57c4x-1065214 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-106520 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55ba31e71db8b7ad05edd14d10cb0e1d.jpg?v=1776405632 Empagliflozin R-Furanoes | 1620758-31-7 Empagliflozin R-Furanoes|C4X-106520|1620758-31-7 https://www.jk-sci.com/products/a01126484 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335763.png?v=1784644022 2-Amino-5-iodopyridine, 98% | 20511-12-0 2-Amino-5-iodopyridine, 98%|126484|20511-12-0 https://www.jk-sci.com/products/j5300091 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/636826b57a76618e8e9ac3b057660899.jpg?v=1784619368 Cytidine-5'-monophosphate, free acid | 63-37-6 Cytidine-5'-monophosphate, free acid|00091|63-37-6 https://www.jk-sci.com/products/j5300156 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288a575ed16a0f7f072ae5e95f71900e.jpg?v=1776314796 D-Glutamine | 5959-95-5 D-Glutamine|00156|5959-95-5 https://www.jk-sci.com/products/a011266010 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1266010.png?v=1784644029 5-Maleimidovalericacid-NHS, 97% | 103750-03-4 5-Maleimidovalericacid-NHS, 97%|1266010|103750-03-4 https://www.jk-sci.com/products/a011274804 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2576cac8f213ef586f3e704fb6e46a2a.jpg?v=1784644069 3,6-Diphenylcarbazole, 99% | 56525-79-2 3,6-Diphenylcarbazole, 99%|1274804|56525-79-2 https://www.jk-sci.com/products/s57c4x-106527 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5e8bc5a4-124d-4ac0-8861-ecdd26b25c64.png?v=1775078556 Empagliflozin Impurity 27 Empagliflozin Impurity 27|C4X-106527 https://www.jk-sci.com/products/s57c4x-1065280 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9229fda5cb5ea37a671cf94840ce96.jpg?v=1776405654 Empagliflozin Impurity 280 | 2562349-63-5 Empagliflozin Impurity 280|C4X-1065280|2562349-63-5 https://www.jk-sci.com/products/j5300189 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3efa3d43e17a9bd0e1f09f9381f3f959.jpg?v=1776314896 3-Indoxyl phosphate disodium salt | 3318-43-2 3-Indoxyl phosphate disodium salt|00189|3318-43-2 https://www.jk-sci.com/products/j5300250 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4d4d497f35403963e4aca5ed303c2c5.jpg?v=1776315073 Piperazine-N,N'-bis(2-hydroxypropane-sulfonic acid) dihydrate | 68189-43-5 Piperazine-N,N'-bis(2-hydroxypropane-sulfonic acid) dihydrate|00250|68189-43-5 https://www.jk-sci.com/products/s57c4x-106537 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5300348 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/010a658365a05760454610e2937892a6.jpg?v=1784619528 Guanosine-5'-triphosphate disodium salt | 56001-37-7 Guanosine-5'-triphosphate disodium salt|00348|56001-37-7 https://www.jk-sci.com/products/a01224893 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224893.png?v=1784649913 1-Bromonaphthalene, 99% | 90-11-9 1-Bromonaphthalene, 99%|224893|90-11-9 https://www.jk-sci.com/products/j5300459 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b82cccc9a0547f46628797af6679954b.jpg?v=1776315521 N-tris(Hydroxymethyl)methylglycine | 5704-04-1 N-tris(Hydroxymethyl)methylglycine|00459|5704-04-1 https://www.jk-sci.com/products/j5300409 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3c9a364c67b8e3a096970e2c6e94503.jpg?v=1784619750 2'-Deoxyuridine-5'-triphosphate sodium salt | 102814-08-4 2'-Deoxyuridine-5'-triphosphate sodium salt|00409|102814-08-4 https://www.jk-sci.com/products/j5300568 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b373d4ef252f025b8ba31f7b0778c50c.jpg?v=1784619749 Uridine-5'-monophosphate | 58-97-9 Uridine-5'-monophosphate|00568|58-97-9 https://www.jk-sci.com/products/j5300552 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a9efcc990ad3ea77c6b744ae48c9e95.jpg?v=1776315697 Kainic acid monohydrate | 58002-62-3 Kainic acid monohydrate|00552|58002-62-3 https://www.jk-sci.com/products/s57c4x-106547 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9c11feb237566d555c4e3bd33e0f19b_9b8e0652-d3a6-4a4c-b6a2-a9dfdc2dcbff.jpg?v=1776405664 Empagliflozin Impurity 47 | 915095-99-7 Empagliflozin Impurity 47|C4X-106547|915095-99-7 https://www.jk-sci.com/products/a01225339 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225339.png?v=1784649933 Flonicamid, 95%, reference material | 158062-67-0 Flonicamid, 95%, reference material|225339|158062-67-0 https://www.jk-sci.com/products/j5300664 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/faab8ed7afc454674425dbdb9c2acab4.jpg?v=1784619756 5-Fluorouridine | 316-46-1 5-Fluorouridine|00664|316-46-1 https://www.jk-sci.com/products/a01225551 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225551.png?v=1784649946 Sodium 3,5-dichloro-2-hydroxybenzenesulfonate, 99% | 54970-72-8 Sodium 3,5-dichloro-2-hydroxybenzenesulfonate, 99%|225551|54970-72-8 https://www.jk-sci.com/products/s57c4x-106550 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b7f3e309135dadd4dc9e49806bc2202_2a6165d7-3d04-465e-befd-ee5f095b93f7.jpg?v=1776405677 Empagliflozin Impurity 50 | 915095-94-2 Empagliflozin Impurity 50|C4X-106550|915095-94-2 https://www.jk-sci.com/products/j5300678 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211adb61f4585dd883597b1b7ebcb406.jpg?v=1776315930 Mercury(II) sulfate | 7783-35-9 Mercury(II) sulfate|00678|7783-35-9 https://www.jk-sci.com/products/j5300709 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88a6824827048f18664b7d720e71835c.jpg?v=1776315976 Silica gel 60, for Column chromatography | 63231-67-4 Silica gel 60, for Column chromatography|00709|63231-67-4 https://www.jk-sci.com/products/a01225949 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102517_37c58045-17da-4e8d-96ee-778113cf5ace.png?v=1784649970 Isonicotinic acid hydrazide, 99% | 54-85-3 Isonicotinic acid hydrazide, 99%|225949|54-85-3 https://www.jk-sci.com/products/j5300755 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5483d962a583950d5b7048d80243c199.jpg?v=1776316035 Methyl alcohol | 67-56-1 Methyl alcohol|00755|67-56-1 https://www.jk-sci.com/products/s57c4x-106576 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f677ed44-8a8f-499e-87b9-980a3e03426b.png?v=1775140266 Empagliflozin Impurity 76 Empagliflozin Impurity 76|C4X-106576 https://www.jk-sci.com/products/j5300854 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01a6af8d16f333412f831267b15043cd.jpg?v=1776316239 Na-Boc-Ne-2-chloro-Z-D-lysine | 57096-11-4 Na-Boc-Ne-2-chloro-Z-D-lysine|00854|57096-11-4 https://www.jk-sci.com/products/a01227122 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227122.png?v=1784650022 5-Bromo-2-methoxybenzyl alcohol, 98% | 80866-82-6 5-Bromo-2-methoxybenzyl alcohol, 98%|227122|80866-82-6 https://www.jk-sci.com/products/j5300079 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/862129481dfadb711d86fe9c021be6f8.jpg?v=1776314576 Colistin methanesulfonate sodium salt | 8068-28-8 Colistin methanesulfonate sodium salt|00079|8068-28-8 https://www.jk-sci.com/products/j5300171 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3f7186a2016b2b23b391d2c53dc2786.jpg?v=1776314845 Guanine hydrochloride | 635-39-2 Guanine hydrochloride|00171|635-39-2 https://www.jk-sci.com/products/j5300284 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc62c54e41e3f7f4442b91e4287b5433.jpg?v=1776315170 Thiourea | 62-56-6 Thiourea|00284|62-56-6 https://www.jk-sci.com/products/j5300432 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39a86e272078889ec364320684e6c2ef.jpg?v=1776315465 3-Methoxyphenol | 150-19-6 3-Methoxyphenol|00432|150-19-6 https://www.jk-sci.com/products/j5300589 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57720d59d2d957d647477bb4e1c86942.jpg?v=1776315762 Chromotrope 2R | 4197-07-3 Chromotrope 2R|00589|4197-07-3 https://www.jk-sci.com/products/j5300504 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb532028942c6a44e23812506a26dc34.jpg?v=1776315617 Dichloroacetic acid | 79-43-6 Dichloroacetic acid|00504|79-43-6 https://www.jk-sci.com/products/s57c4x-106591 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126a57f8dca741a05e2ad34862d3c3e9_c79ea4d8-38f5-4cf6-b390-e435191d403f.jpg?v=1776405690 Empagliflozin Impurity 91 | 915095-86-2 Empagliflozin Impurity 91|C4X-106591|915095-86-2 https://www.jk-sci.com/products/j5300698 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52c6bf8f8043e9495d71bd45b3dd7167.jpg?v=1776315955 Pentafluoropropionic acid | 422-64-0 Pentafluoropropionic acid|00698|422-64-0 https://www.jk-sci.com/products/j5301152 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c104cb179a7528d16a8eb453ae4b0c22.jpg?v=1776316396 N-(2-Acetamido)-2-iminodiacetic acid monosodium salt | 7415-22-7 N-(2-Acetamido)-2-iminodiacetic acid monosodium salt|01152|7415-22-7 https://www.jk-sci.com/products/s57c4x-10671 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617716.png?v=1774984550 Levetiracetam impurity A | 102849-49-0 Levetiracetam impurity A|C4X-10671|102849-49-0 https://www.jk-sci.com/products/j5300756 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a65f5836b79600dfbef3f60376386cca.jpg?v=1776316039 Penicillin G potassium salt | 113-98-4 Penicillin G potassium salt|00756|113-98-4 https://www.jk-sci.com/products/j5301324 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4564d36b064f59e5674f0cd556b64b3e.jpg?v=1776316783 Boc-b-cyclohexyl-L-alanine | 37736-82-6 Boc-b-cyclohexyl-L-alanine|01324|37736-82-6 https://www.jk-sci.com/products/j5301333 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d1cc5b651fa36fa05db0576be0f99ca.jpg?v=1776316811 Na-Boc-Nw-nitro-D-arginine | 50913-12-7 Na-Boc-Nw-nitro-D-arginine|01333|50913-12-7 https://www.jk-sci.com/products/j5301234 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a5eba58a380bea1a8974f4039a9b16c.jpg?v=1776316573 Hexamethylenetetramine | 100-97-0 Hexamethylenetetramine|01234|100-97-0 https://www.jk-sci.com/products/j5301252 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fb0b9575ff59d1fdfa2ee3f3ae8f2be_d45e9f65-49a6-4eab-89ef-1a9392b04456.jpg?v=1776316637 Potassium oxalate monohydrate | 6487-48-5 Potassium oxalate monohydrate|01252|6487-48-5 https://www.jk-sci.com/products/j5301187 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bddd073a0222e267b40a9c1d31b742d.jpg?v=1776316463 3-N-Morpholinopropanesulfonic acid hemisodium salt | 117961-20-3 3-N-Morpholinopropanesulfonic acid hemisodium salt|01187|117961-20-3 https://www.jk-sci.com/products/j5301245 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbe726b4cccfe8fd9c8c55bfe3a888c4.jpg?v=1776316612 Potassium bromide | 7758-02-3 Potassium bromide|01245|7758-02-3 https://www.jk-sci.com/products/j5300029 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367d65ae6e97724529c4e3ac094b34f4_e0161aab-fdf6-458b-88c0-e146bac80985.jpg?v=1776314437 Bacitracin from Bacillus licheniformis | 1405-87-4 Bacitracin from Bacillus licheniformis|00029|1405-87-4 https://www.jk-sci.com/products/j5301343 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afab8dc76588b4350dbafb24cbb879e6.jpg?v=1776316836 Boc-S-trityl-L-cysteine | 21947-98-8 Boc-S-trityl-L-cysteine|01343|21947-98-8 https://www.jk-sci.com/products/j5300226 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c9749317974ce6dfe70065698965fc9.jpg?v=1776315006 4-Nitrophenyl-b-D-galactopyranoside | 3150-24-1 4-Nitrophenyl-b-D-galactopyranoside|00226|3150-24-1 https://www.jk-sci.com/products/s57c4x-106713 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371cd5830eba0937644b608e437d1e1a.jpg?v=1776405693 Levetiracetam Related Compound A | 102767-31-7 Levetiracetam Related Compound A|C4X-106713|102767-31-7 https://www.jk-sci.com/products/a01227296 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227296.png?v=1784650030 1-Benzhydryl-3-azetidinone, 97% | 40320-60-3 1-Benzhydryl-3-azetidinone, 97%|227296|40320-60-3 https://www.jk-sci.com/products/j5300500 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/876d913306d6dc47c8c9cb8eecac9727.jpg?v=1776315610 Catechol white powder | 120-80-9 Catechol white powder|00500|120-80-9 https://www.jk-sci.com/products/j5300666 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7c80137dd1c5fadcaa4e987a06d4a1a.jpg?v=1776315902 Ethidium bromide | 1239-45-8 Ethidium bromide|00666|1239-45-8 https://www.jk-sci.com/products/j5300946 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/168c044990d1f4fdf1b8c9b634b7bc73.jpg?v=1776316357 Biotin-N-hydroxysuccinimide | 35013-72-0 Biotin-N-hydroxysuccinimide|00946|35013-72-0 https://www.jk-sci.com/products/j5301209 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7339b23954437fb7dd20914e215dccc1.jpg?v=1776316509 Ammonium fluoride | 12125-01-8 Ammonium fluoride|01209|12125-01-8 https://www.jk-sci.com/products/j5301251 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04c173bcf745c5a7928fef2fa8f85b74.jpg?v=1776316634 Potassium nitrate | 7757-79-1 Potassium nitrate|01251|7757-79-1 https://www.jk-sci.com/products/j5301330 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d65305be17579478bbad3255bf77c58f.jpg?v=1776316799 Na-Boc-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine | 102185-38-6 Na-Boc-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine|01330|102185-38-6 https://www.jk-sci.com/products/j5301380 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dc69d2a14582178677bc3469e1612fc.jpg?v=1776316946 Boc-O-tert-butyl-L-serine dicyclohexylammonium salt | 18942-50-2 Boc-O-tert-butyl-L-serine dicyclohexylammonium salt|01380|18942-50-2 https://www.jk-sci.com/products/j5301440 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d50c27880671e89a1af67fa85b28979a.jpg?v=1776317112 Choline dihydrogencitrate salt | 77-91-8 Choline dihydrogencitrate salt|01440|77-91-8 https://www.jk-sci.com/products/j5301467 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c8cf62e80e9494ffdbd80db8ef9e538.jpg?v=1776317189 (±)-Abscisic acid | 14375-45-2 (±)-Abscisic acid|01467|14375-45-2 https://www.jk-sci.com/products/j5301552 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd2a7cc983663ed005720497a383fb9f.jpg?v=1776317376 4-Methylumbelliferyl caprylate | 20671-66-3 4-Methylumbelliferyl caprylate|01552|20671-66-3 https://www.jk-sci.com/products/s57c4x-106715 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279957.png?v=1774971538 Levetiracetam Racemate | 33996-58-6 Levetiracetam Racemate|C4X-106715|33996-58-6 https://www.jk-sci.com/products/j5301592 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54623b0c70dba4d86ee4339a55444a50.jpg?v=1776317457 Cephalexin hydrate | 15686-71-2 Cephalexin hydrate|01592|15686-71-2 https://www.jk-sci.com/products/s57c4x-10672 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc2789aef13fcce764e03c602d415e1.jpg?v=1776405700 Levetiracetam EP Impurity B | 358629-47-7 Levetiracetam EP Impurity B|C4X-10672|358629-47-7 https://www.jk-sci.com/products/j5300137 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d72a2edad0d4ae5072ebc47df3750ff.jpg?v=1784619738 2'-Deoxyuridine-5'-monophosphate disodium salt | 42155-08-8 2'-Deoxyuridine-5'-monophosphate disodium salt|00137|42155-08-8 https://www.jk-sci.com/products/j5301348 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae3ab730ccb1a29636a705768200a367.jpg?v=1776316850 Boc-L-glutamic acid-a-benzyl ester | 30924-93-7 Boc-L-glutamic acid-a-benzyl ester|01348|30924-93-7 https://www.jk-sci.com/products/j5301172 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72a0f79f46066d6d5dbb2505b3bfa7fd.jpg?v=1776316435 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid hemisodium salt | 103404-87-1 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid hemisodium salt|01172|103404-87-1 https://www.jk-sci.com/products/j5301314 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7ec14d09654e82ecfaddcf67091b12.jpg?v=1776316746 L-2,3-Diaminopropionic acid hydrochloride | 1482-97-9 L-2,3-Diaminopropionic acid hydrochloride|01314|1482-97-9 https://www.jk-sci.com/products/j5300563 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_30405e41-dbfd-48a8-8234-2677990982b0.png?v=1776315714 Albumin protease free (from bovine blood) | 68551-06-4 Albumin protease free (from bovine blood)|00563|68551-06-4 https://www.jk-sci.com/products/s57c4x-106725 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cf4cd108ea7ae2c45b163995e40fc36.jpg?v=1776405703 Levetiracetam Impurities 25 | 263552-76-7 Levetiracetam Impurities 25|C4X-106725|263552-76-7 https://www.jk-sci.com/products/s57c4x-10673 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01227456 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404578.png?v=1784650037 5-Chlorobenzothiophene, 98% | 20532-33-6 5-Chlorobenzothiophene, 98%|227456|20532-33-6 https://www.jk-sci.com/products/j5301443 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40c2e0686471ccfae554c0e421003153.jpg?v=1776317121 Copper(II) sulfate pentahydrate | 7758-99-8 Copper(II) sulfate pentahydrate|01443|7758-99-8 https://www.jk-sci.com/products/j5301681 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b14ad41a43147c01dd1088717119dae.jpg?v=1776317613 2-Bromoacetophenone | 70-11-1 2-Bromoacetophenone|01681|70-11-1 https://www.jk-sci.com/products/j5301639 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cc5bb6810cf2fce6cff3ad3e0cc68e5.jpg?v=1776317570 Na-Boc-Nd-2-chloro-Z-L-ornithine | 118554-00-0 Na-Boc-Nd-2-chloro-Z-L-ornithine|01639|118554-00-0 https://www.jk-sci.com/products/j5301575 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3dccc07fbaa136dc02a7fb32d726c24.jpg?v=1776317409 1,5-Pentanediol | 111-29-5 1,5-Pentanediol|01575|111-29-5 https://www.jk-sci.com/products/s57c4x-106733 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5460592928c1d2aa70139a2750b5915.jpg?v=1776405716 Levetiracetam Impurity 33 | 2245069-23-0 Levetiracetam Impurity 33|C4X-106733|2245069-23-0 https://www.jk-sci.com/products/j5301707 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28b067d91448a736ee6b093637c287a6.jpg?v=1776317654 Tylosin tartrate | 74610-55-2 Tylosin tartrate|01707|74610-55-2 https://www.jk-sci.com/products/a01227500 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419625.png?v=1784650042 2-Methylthio-4,6-pyrimidinedione, 98% | 1979-98-2 2-Methylthio-4,6-pyrimidinedione, 98%|227500|1979-98-2 https://www.jk-sci.com/products/j5301724 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a44e26229e45718b0ccd52491af8df92.jpg?v=1776317680 Thymol | 89-83-8 Thymol|01724|89-83-8 https://www.jk-sci.com/products/j5301776 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5614a1719acec1f93228b82590b6e6af.jpg?v=1776317747 3-Amino-9-ethylcarbazole | 132-32-1 3-Amino-9-ethylcarbazole|01776|132-32-1 https://www.jk-sci.com/products/a01227561 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/533681.png?v=1784650049 4-tert-Butylbenzeneboronic acid, 98% | 123324-71-0 4-tert-Butylbenzeneboronic acid, 98%|227561|123324-71-0 https://www.jk-sci.com/products/a01227784 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588657.png?v=1784650062 N-(Benzyloxycarbonyloxy)succinimide, 99% | 13139-17-8 N-(Benzyloxycarbonyloxy)succinimide, 99%|227784|13139-17-8 https://www.jk-sci.com/products/a01227972 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156096.png?v=1784650079 2,4-Thiazolidinedione, 99% | 2295-31-0 2,4-Thiazolidinedione, 99%|227972|2295-31-0 https://www.jk-sci.com/products/j5301782 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30dec64518384e63e88b4e9029f0e05d.jpg?v=1776317756 4-Chloro-1-naphthol | 604-44-4 4-Chloro-1-naphthol|01782|604-44-4 https://www.jk-sci.com/products/j5301815 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d409f6cca42b3ab1580c27e996e1d2bb_ce373623-2b95-4e29-8163-f78ec5b01d03.jpg?v=1776317815 Polystyrene resin | 9003-70-7 Polystyrene resin|01815|9003-70-7 https://www.jk-sci.com/products/a01228385 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228385.png?v=1784650090 Methyl 4-bromo-2-pyridinecarboxylate, 98% | 29681-42-3 Methyl 4-bromo-2-pyridinecarboxylate, 98%|228385|29681-42-3 https://www.jk-sci.com/products/j5301847 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bbfe7d6ac6bc5e9f8e2a04fb88bb7dc.jpg?v=1776317846 Linolenic acid | 463-40-1 Linolenic acid|01847|463-40-1 https://www.jk-sci.com/products/j5301864 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d04c0ba769fe1be3909949927fe429b.jpg?v=1776317866 Decanoyl-L-carnitine chloride | 14919-36-9 Decanoyl-L-carnitine chloride|01864|14919-36-9 https://www.jk-sci.com/products/j5301871 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbb788b9612a0440eb906d6f4b52c57f.jpg?v=1776317885 Palmitoyl-L-carnitine chloride | 18877-64-0 Palmitoyl-L-carnitine chloride|01871|18877-64-0 https://www.jk-sci.com/products/a012284000 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/106c446333f2bca32807ede3ae25833e.jpg?v=1784650090 3-Nitrobenzyl phosphonic acid diethyl ester, 97% | 104097-04-3 3-Nitrobenzyl phosphonic acid diethyl ester, 97%|2284000|104097-04-3 https://www.jk-sci.com/products/j5301874 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385c8322c9dc9668a5b13ae64a302d66.jpg?v=1776317892 Stearoyl-L-carnitine chloride | 32350-57-5 Stearoyl-L-carnitine chloride|01874|32350-57-5 https://www.jk-sci.com/products/s57c4x-106824 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302dda6358e14c9bb3b379b005e2e2e3.jpg?v=1776405741 Imatinib Impurity 24 | 404844-11-7 Imatinib Impurity 24|C4X-106824|404844-11-7 https://www.jk-sci.com/products/a019363615 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3474544559958d0bd0a63d03e7a3192c.jpg?v=1776305180 [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[2-(diphenylphosphino)phenyl]ethyl]-N,2-dimethyl-2-propanesulfinamide, 95% | 2768445-58-3 [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[2-(diphenylphosphino)phenyl]ethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9363615|2768445-58-3 https://www.jk-sci.com/products/s57c4x-106861 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350348_4acae07d-8388-4d41-b776-f3b706ef3293.png?v=1774638860 Imatinib Impurity 61 | 62-50-0 Imatinib Impurity 61|C4X-106861|62-50-0 https://www.jk-sci.com/products/s57c4x-106854 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01936451 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796041_1a328b45-7d59-47bd-adbf-7020fefed1c0.png?v=1776305195 5,6-Dihydro-4H-pyrrolo[3,2,1-ij]quinoline, 98% | 5840-01-7 5,6-Dihydro-4H-pyrrolo[3,2,1-ij]quinoline, 98%|936451|5840-01-7 https://www.jk-sci.com/products/j5301928 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff808801547776bfd2a77db289ee5cff.jpg?v=1776317991 2-Cyanoethylphosphorodichloridite | 76101-30-9 2-Cyanoethylphosphorodichloridite|01928|76101-30-9 https://www.jk-sci.com/products/s57c4x-1069111 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcbe68d9c6bef3596befd082c2294246.jpg?v=1776405747 Erlotinib-d6 HCl | 1189953-78-3 Erlotinib-d6 HCl|C4X-1069111|1189953-78-3 https://www.jk-sci.com/products/j5300378 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fdeaf773-2135-4fae-84bc-8b0d8bdf0616.png?v=1784619532 5'-O-(4,4'-Dimethoxytrityl)-N2-isobutyryl-2'-deoxyguanosine-3'-lcaa-CPG 5'-O-(4,4'-Dimethoxytrityl)-N2-isobutyryl-2'-deoxyguanosine-3'-lcaa-CPG|00378 https://www.jk-sci.com/products/s57c4x-1069114 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383394_4fa658f9-0895-4f7f-8080-e4df8c056eaa.png?v=1775135116 Erlotinib Impurity 114 | 14235-81-5 Erlotinib Impurity 114|C4X-1069114|14235-81-5 https://www.jk-sci.com/products/j5301961 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32d822d4e83ecc981d812c921c78d736.jpg?v=1776318072 Chloramphenicol palmitate | 530-43-8 Chloramphenicol palmitate|01961|530-43-8 https://www.jk-sci.com/products/j5301944 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca5edfe128c3b9ce4bd3367bd7bece59.jpg?v=1776318026 Thallium(I) acetate | 563-68-8 Thallium(I) acetate|01944|563-68-8 https://www.jk-sci.com/products/s57c4x-1069117 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616685_29bb9710-5d2b-47fc-bbc4-6c2744c0dd07.png?v=1774900466 Erlotinib Impurity 117 | 139-85-5 Erlotinib Impurity 117|C4X-1069117|139-85-5 https://www.jk-sci.com/products/j5301244 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50c87396aa255618f72e979e661cfa45.jpg?v=1776316609 Potassium bicarbonate | 298-14-6 Potassium bicarbonate|01244|298-14-6 https://www.jk-sci.com/products/j5301388 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228d6e851722b37eadd2ae3dc88aa2e8.jpg?v=1776316974 Na-Boc-Nin-mesitylene-2-sulfonyl-L-tryptophan dicyclohexylammonium salt | 92916-48-8 Na-Boc-Nin-mesitylene-2-sulfonyl-L-tryptophan dicyclohexylammonium salt|01388|92916-48-8 https://www.jk-sci.com/products/s57c4x-106925 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329746.png?v=1774721944 ErlotiniB impurity 25 | 179688-29-0 ErlotiniB impurity 25|C4X-106925|179688-29-0 https://www.jk-sci.com/products/s57c4x-1069126 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96adc049ce400aa0e35158491995a741.jpg?v=1776405753 Erlotinib impurity 126 | 183320-00-5 Erlotinib impurity 126|C4X-1069126|183320-00-5 https://www.jk-sci.com/products/j5301606 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bad83a85b232feecc9e566066940836.jpg?v=1776317503 Fuchsin Acid Certified | 3244-88-0 Fuchsin Acid Certified|01606|3244-88-0 https://www.jk-sci.com/products/j5301666 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fd3117bc2632bb595b3b8bc8927630f.jpg?v=1776317598 Z-L-alanine-N-hydroxysuccinimide ester | 3401-36-3 Z-L-alanine-N-hydroxysuccinimide ester|01666|3401-36-3 https://www.jk-sci.com/products/j5301713 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa919f68308c2d7a1db08b46738c6b55.jpg?v=1776317664 L-Proline-b-naphthylamide hydrochloride | 97216-16-5 L-Proline-b-naphthylamide hydrochloride|01713|97216-16-5 https://www.jk-sci.com/products/s57c4x-107013 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a206e56983caf4f9f49abff75f83a45.jpg?v=1776405762 Abiraterone Impurity 13 | 154229-20-6 Abiraterone Impurity 13|C4X-107013|154229-20-6 https://www.jk-sci.com/products/s57c4x-106984 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4342402bcbabf6eba4084a26dd22bdfa.jpg?v=1776405756 Erlotinib Impurity 84 | 16064-15-6 Erlotinib Impurity 84|C4X-106984|16064-15-6 https://www.jk-sci.com/products/s57c4x-107034 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/779ce08a3a65db740f3113e52c521d86.jpg?v=1776405778 Abiraterone Impurity 34 | 571-44-8 Abiraterone Impurity 34|C4X-107034|571-44-8 https://www.jk-sci.com/products/s57c4x-107023 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a52a2775ffb38cdb928813dcc84b98b.jpg?v=1776405771 Abiraterone-d4 | 2122245-62-7 Abiraterone-d4|C4X-107023|2122245-62-7 https://www.jk-sci.com/products/j5301778 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac2caf7fb1a98a3f797a9bff00847a6a.jpg?v=1776317750 Brij 35 Solution 30%(w/v) | 9002-92-0 Brij 35 Solution 30%(w/v)|01778|9002-92-0 https://www.jk-sci.com/products/j5301842 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edf5a0f8f6ce863bf6a6b5fd06f4f33e.jpg?v=1776317839 Deoxyribonucleic acid sodium salt (from salmon milt, Onchorhynchus keta) | 9007-49-2 Deoxyribonucleic acid sodium salt (from salmon milt, Onchorhynchus keta)|01842|9007-49-2 https://www.jk-sci.com/products/j5301991 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38d77e37dad44ca7f695fbc340ed9c00.jpg?v=1776318160 Boc-S-4-methylbenzyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin Boc-S-4-methylbenzyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin|01991 https://www.jk-sci.com/products/j5301867 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efdac1838c609b9d757e5810522deb99.jpg?v=1776317872 Linoleoyl-L-carnitine chloride Linoleoyl-L-carnitine chloride|01867 https://www.jk-sci.com/products/j5301883 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d742fb38753657f151b562a4d14a1bb.jpg?v=1776317905 Decanoyl coenzyme A monohydrate | 1264-57-9 Decanoyl coenzyme A monohydrate|01883|1264-57-9 https://www.jk-sci.com/products/s57c4x-10705 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f9901c0eea9edd771b6824653ec00fc.jpg?v=1776405784 Abiraterone Impurity 5 | 2484719-11-9 Abiraterone Impurity 5|C4X-10705|2484719-11-9 https://www.jk-sci.com/products/j5301981 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7feaae76edb7824f2738821e8afe150b.jpg?v=1776318126 Na-Boc-Nw-mesitylene-2-sulfonyl-L-arginine 4-oxymethylphenylacetamidomethyl resin Na-Boc-Nw-mesitylene-2-sulfonyl-L-arginine 4-oxymethylphenylacetamidomethyl resin|01981 https://www.jk-sci.com/products/s57c4x-107056 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/846882ccd9cbd8ffff378c1bdfe0bdba.jpg?v=1776405791 Abiraterone Impurity 56 | 500019-37-4 Abiraterone Impurity 56|C4X-107056|500019-37-4 https://www.jk-sci.com/products/j5301948 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e68e136862c3c911699b10cba16972d6.jpg?v=1776318041 Palladium on Barium sulfate | 7440-05-3 Palladium on Barium sulfate|01948|7440-05-3 https://www.jk-sci.com/products/j5301988 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a96af16d5642f469e7639d0fd80d036.jpg?v=1776318151 Boc-L-aspartic acid b-cyclohexyl ester 4-oxymethylphenylacetamidomethyl resin Boc-L-aspartic acid b-cyclohexyl ester 4-oxymethylphenylacetamidomethyl resin|01988 https://www.jk-sci.com/products/s57c4x-10706 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31d6921c9fb455334b3328f6516e65fd.jpg?v=1776405797 Abiraterone Impurity 6 | 2410075-48-6 Abiraterone Impurity 6|C4X-10706|2410075-48-6 https://www.jk-sci.com/products/j5301985 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a520ee74b5a019c9587f60cc1e969d2.jpg?v=1776318143 Na-Boc-D-asparagine 4-oxymethylphenylacetamidomethyl resin Na-Boc-D-asparagine 4-oxymethylphenylacetamidomethyl resin|01985 https://www.jk-sci.com/products/s57c4x-10711 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576de6aa3e55c2d7055c8b91e6f08f2a.jpg?v=1776405799 Axitinib Impurity 1 | 1347304-18-0 Axitinib Impurity 1|C4X-10711|1347304-18-0 https://www.jk-sci.com/products/j5301998 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f25f334bb56d55680d7bf2b653d20239.jpg?v=1776318178 Boc-L-glycine 4-oxymethylphenylacetamidomethyl resin Boc-L-glycine 4-oxymethylphenylacetamidomethyl resin|01998 https://www.jk-sci.com/products/j5301993 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b99cd206cbae3060a21a30a8d030880d.jpg?v=1776318167 Boc-L-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin Boc-L-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin|01993 https://www.jk-sci.com/products/a01937263 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338967_68ca7c59-5d3d-4267-9f3f-e7a3332a1802.png?v=1776305430 1-Fluoro-3-iodobenzene,, 99% | 1121-86-4 1-Fluoro-3-iodobenzene,, 99%|937263|1121-86-4 https://www.jk-sci.com/products/j5302154 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9561d6b2471fb4c3c7865e2e051309d.jpg?v=1776318448 Z-S-4-methoxybenzyl-L-cysteine | 3081-32-1 Z-S-4-methoxybenzyl-L-cysteine|02154|3081-32-1 https://www.jk-sci.com/products/j5302060 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c32e9a1c7cf0253562c23e39257b2687.jpg?v=1784619408 N4-Isobutyryldeoxycytidine | 110522-75-3 N4-Isobutyryldeoxycytidine|02060|110522-75-3 https://www.jk-sci.com/products/a01937522 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397830.png?v=1776305451 1-O-Acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose, 98% | 14215-97-5 1-O-Acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose, 98%|937522|14215-97-5 https://www.jk-sci.com/products/a01937273 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/542115.png?v=1776305433 1,5-Diaminoanthraquinone, 85% | 129-44-2 1,5-Diaminoanthraquinone, 85%|937273|129-44-2 https://www.jk-sci.com/products/j5302216 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d971162e4086cfe21830244addcf2fa.jpg?v=1776318594 Z-D-methionine | 28862-80-8 Z-D-methionine|02216|28862-80-8 https://www.jk-sci.com/products/ts246cs-0095263 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313130.png?v=1776467260 Ethyl 6-ethoxy-4-hydroxyquinoline-3-carboxylate | 303121-08-6 Ethyl 6-ethoxy-4-hydroxyquinoline-3-carboxylate|CS-0095263|303121-08-6 https://www.jk-sci.com/products/s57c4x-107131 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1991aea1-cfc4-4460-b979-01753817fa58.png?v=1774962261 Axitinib Impurity 31 Axitinib Impurity 31|C4X-107131 https://www.jk-sci.com/products/j5302183 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ae3a549657388b6b84e2d532530dc2a.jpg?v=1776318509 Z-Gly-Pro-AMC | 68542-93-8 Z-Gly-Pro-AMC|02183|68542-93-8 https://www.jk-sci.com/products/j5302214 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66f722f769e4e7e1352acde54ab84b96.jpg?v=1776318587 Ne-Z-D-lysine methyl ester hydrochloride | 145586-17-0 Ne-Z-D-lysine methyl ester hydrochloride|02214|145586-17-0 https://www.jk-sci.com/products/j5302145 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9b091979fad255f32fb8a4e802363a8.jpg?v=1776318416 Na-Z-L-asparagine 2-nitrophenyl ester Na-Z-L-asparagine 2-nitrophenyl ester|02145 https://www.jk-sci.com/products/j5302158 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f44a8f4d22278b316e653a5bd72abd4.jpg?v=1776318459 Z-D-glutamine | 13139-52-1 Z-D-glutamine|02158|13139-52-1 https://www.jk-sci.com/products/j5302235 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07abc34855c0cdac21cdb05d33883312.jpg?v=1776318644 Z-Phe-Pro-OH | 7669-64-9 Z-Phe-Pro-OH|02235|7669-64-9 https://www.jk-sci.com/products/j5302205 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e622e46f16cae29367c6fb8091bf4ecd.jpg?v=1776318559 Na-Z-D-lysine | 70671-54-4 Na-Z-D-lysine|02205|70671-54-4 https://www.jk-sci.com/products/j5302138 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a526ef0b69296dbc337b2f5ee179c0be.jpg?v=1776318404 Na-Z-L-arginine-4-nitroanilide hydrochloride | 59188-53-3 Na-Z-L-arginine-4-nitroanilide hydrochloride|02138|59188-53-3 https://www.jk-sci.com/products/s57c4x-107144 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-10712 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73e62937ba8f78a4b242cfea5d76a488.jpg?v=1776405810 Axitinib Impurity 2 | 1348536-59-3 Axitinib Impurity 2|C4X-10712|1348536-59-3 https://www.jk-sci.com/products/a01937805 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d38bb99cf2e9fb1e53a2ea7873e6a1c1.jpg?v=1776305479 Lithium carbonate, 99%, ACS reagent | 554-13-2 Lithium carbonate, 99%, ACS reagent|937805|554-13-2 https://www.jk-sci.com/products/j5302195 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3ec127a740491a287ef29342a0fc7a9.jpg?v=1776318534 Z-D-leucine (oil) | 28862-79-5 Z-D-leucine (oil)|02195|28862-79-5 https://www.jk-sci.com/products/s57c4x-107127 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8591694c-3168-440a-9c69-a3b446c2a47d.png?v=1775078560 Axitinib Impurity 27 Axitinib Impurity 27|C4X-107127 https://www.jk-sci.com/products/j5302106 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69d431c29ae1726db167f8a5911bc141.jpg?v=1776318327 Succinic anhydride | 108-30-5 Succinic anhydride|02106|108-30-5 https://www.jk-sci.com/products/s57c4x-10714 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eecde1193020f5630ec2defce3c1e9bb.jpg?v=1776405822 Axitinib Impurity 4 | 1443118-72-6 Axitinib Impurity 4|C4X-10714|1443118-72-6 https://www.jk-sci.com/products/j5302251 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6061077af9597c047d918a3020acaee7.jpg?v=1776318688 Z-L-serine benzyl ester | 21209-51-8 Z-L-serine benzyl ester|02251|21209-51-8 https://www.jk-sci.com/products/j5302181 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd5cb9e1c4adaae7d8a7687ed85557b3.jpg?v=1776318503 Z-Gly-Phe-OH | 1170-76-9 Z-Gly-Phe-OH|02181|1170-76-9 https://www.jk-sci.com/products/a019379627 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77273285f72d53d7ffb38049c295a672.jpg?v=1776305506 2-Acetylamino-1-O-(N-Cbz-3-aminopropyl)-2-deoxy-β-D-galactopyranose, 98% | 143918-34-7 2-Acetylamino-1-O-(N-Cbz-3-aminopropyl)-2-deoxy-β-D-galactopyranose, 98%|9379627|143918-34-7 https://www.jk-sci.com/products/j5301529 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24b7e6c60108d7e1457a0b91a74bf126.jpg?v=1776317332 Calciferol | 50-14-6 Calciferol|01529|50-14-6 https://www.jk-sci.com/products/j5300724 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2ab847a2e1b4d9261df20c86eaa7f13.jpg?v=1776315994 D-Threonine, allo-free | 632-20-2 D-Threonine, allo-free|00724|632-20-2 https://www.jk-sci.com/products/j5301691 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5d0aad2d59fae294a18891755d24165.jpg?v=1776317626 5-Fluoroindole | 399-52-0 5-Fluoroindole|01691|399-52-0 https://www.jk-sci.com/products/j5301873 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ffa691023da27a5efd83548ce9f44ea.jpg?v=1776317888 Propionyl-L-carnitine chloride | 119793-66-7 Propionyl-L-carnitine chloride|01873|119793-66-7 https://www.jk-sci.com/products/j5301989 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99a28f24100870c4f2ceb65132efb82f.jpg?v=1776318154 Boc-S-acetamidomethyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin Boc-S-acetamidomethyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin|01989 https://www.jk-sci.com/products/j5301813 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d43e3fb34d49ae1372fead8fbb3c44cf.jpg?v=1776317806 Chloromethylated polystyrene (0.8 - 1.4 meq/g, 200 - 400 mesh) | 55844-94-5 Chloromethylated polystyrene (0.8 - 1.4 meq/g, 200 - 400 mesh)|01813|55844-94-5 https://www.jk-sci.com/products/a019379843 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73afaf128de195b690d7d386e9e88436.jpg?v=1776305522 [S(R)]-N-((S)-1-(2-(Di-p-tolylphosphanyl)phenyl)-2-(diphenylphosphanyl)ethyl)-2-methylpropane-2-sulfinamide, 95% | 1824731-40-9 [S(R)]-N-((S)-1-(2-(Di-p-tolylphosphanyl)phenyl)-2-(diphenylphosphanyl)ethyl)-2-methylpropane-2-sulfinamide, 95%|9379843|1824731-40-9 https://www.jk-sci.com/products/j5301962 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a027154c4dbef034311b9da4cc5c0346.jpg?v=1776318075 Boc-D-glutamic acid-a-benzyl ester | 34404-30-3 Boc-D-glutamic acid-a-benzyl ester|01962|34404-30-3 https://www.jk-sci.com/products/s57c4x-107147 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b2b63cc7d3addf4bc3d59ba32a80825.jpg?v=1776405827 Axitinib impurity 47 | 1639137-80-6 Axitinib impurity 47|C4X-107147|1639137-80-6 https://www.jk-sci.com/products/j5301983 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e661fceb66ddf25f53c15e54ad0544c.jpg?v=1776318134 Na-Boc-Nw-(4-toluenesulfonyl)-D-arginine 4-oxymethylphenylacetamidomethyl resin Na-Boc-Nw-(4-toluenesulfonyl)-D-arginine 4-oxymethylphenylacetamidomethyl resin|01983 https://www.jk-sci.com/products/s57c4x-107151 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4107d542203b27413bc6351d9759aa02.jpg?v=1776405838 Axitinib Impurity 51 | 1639138-00-3 Axitinib Impurity 51|C4X-107151|1639138-00-3 https://www.jk-sci.com/products/j5301994 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83e8441d8a73157b22606c50ee408ad0.jpg?v=1776318170 Boc-D-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin Boc-D-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin|01994 https://www.jk-sci.com/products/s57c4x-10716 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2d3b221d42428ddd50a10a877d7cb79.jpg?v=1776405843 Axitinib Impurity 6 | 1428728-83-9 Axitinib Impurity 6|C4X-10716|1428728-83-9 https://www.jk-sci.com/products/j5302045 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5637e53c99e4835c70bfd8e223cca1cc.jpg?v=1776318261 Anisole | 100-66-3 Anisole|02045|100-66-3 https://www.jk-sci.com/products/j5302263 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f21d6779c98901c1564dd60280bee7a5.jpg?v=1776318728 Na-Z-L-tryptophan 4-nitrophenyl ester | 16624-64-9 Na-Z-L-tryptophan 4-nitrophenyl ester|02263|16624-64-9 https://www.jk-sci.com/products/j5302120 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c957f5e25a53b77587bcc23ae3bb5f66.jpg?v=1776318364 Z-L-alanine 4-nitrophenyl ester | 1168-87-2 Z-L-alanine 4-nitrophenyl ester|02120|1168-87-2 https://www.jk-sci.com/products/j5302151 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6d4fab9fd30a15dd2411cf28a647a59.jpg?v=1776318439 Z-L-aspartic acid b-benzyl ester a-4-nitrophenyl ester | 2419-54-7 Z-L-aspartic acid b-benzyl ester a-4-nitrophenyl ester|02151|2419-54-7 https://www.jk-sci.com/products/j5302233 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368b4510361ef3cf16fc580faaf6334d.jpg?v=1776318641 Z-Phe-Leu-OH | 4313-73-9 Z-Phe-Leu-OH|02233|4313-73-9 https://www.jk-sci.com/products/j5302188 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342da45f0258f968da30722618c18536.jpg?v=1776318516 Na-Nim-Bis-Z-L-histidine·Ethanol | 35016-67-2 Na-Nim-Bis-Z-L-histidine·Ethanol|02188|35016-67-2 https://www.jk-sci.com/products/j5302208 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca32650440eec58cb1575ee97214cf70.jpg?v=1776318569 Na-Z-L-lysine 4-nitrophenyl ester hydrochloride | 2179-15-9 Na-Z-L-lysine 4-nitrophenyl ester hydrochloride|02208|2179-15-9 https://www.jk-sci.com/products/j5302173 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee37def47f7f6cfb0562ae9f44d59c6.jpg?v=1776318494 Z-Gly-Gly-OH | 2566-19-0 Z-Gly-Gly-OH|02173|2566-19-0 https://www.jk-sci.com/products/a01938025 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121784_7d36ee1d-3015-4e80-ae64-dacdef58472e.png?v=1776305537 1-AminopyridiniumIodide, 98% | 6295-87-0 1-AminopyridiniumIodide, 98%|938025|6295-87-0 https://www.jk-sci.com/products/a019379858 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9943a04c587abe9bfce169a559c93a41.jpg?v=1776305525 5-[(3,4,6-Tri-O-benzoyl-2-acetylamido-2-deoxy-β-D-galactopyranosyl)oxy]-pentanoic acid, 98% | 186613-57-0 5-[(3,4,6-Tri-O-benzoyl-2-acetylamido-2-deoxy-β-D-galactopyranosyl)oxy]-pentanoic acid, 98%|9379858|186613-57-0 https://www.jk-sci.com/products/a01938840 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341631.png?v=1776305610 Nα-Benzoyl-L-arginine ethyl ester hydrochloride, 98% | 2645-08-1 Nα-Benzoyl-L-arginine ethyl ester hydrochloride, 98%|938840|2645-08-1 https://www.jk-sci.com/products/s57c4x-107213 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a77130eebf9a1c4602dcc3e360515de.jpg?v=1776405853 Bortezomib Impurity 13 | 1446194-56-4 Bortezomib Impurity 13|C4X-107213|1446194-56-4 https://www.jk-sci.com/products/j5302280 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfbbc8375cbe7c01f3494ee89eec8e44.jpg?v=1776318771 N,N-Bis(2-oxo-3-oxazolidinyl)phosphinic chloride | 68641-49-6 N,N-Bis(2-oxo-3-oxazolidinyl)phosphinic chloride|02280|68641-49-6 https://www.jk-sci.com/products/j5302299 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aaa48e050f9b41fcf94e04543fa57ec8.jpg?v=1776318801 a,a-Dichloromethyl methyl ether | 4885-02-3 a,a-Dichloromethyl methyl ether|02299|4885-02-3 https://www.jk-sci.com/products/j5302317 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492029fee9241d91687da849d0b68447.jpg?v=1776318827 4-Hydroxy-3-methoxyphenylacetic acid | 306-08-1 4-Hydroxy-3-methoxyphenylacetic acid|02317|306-08-1 https://www.jk-sci.com/products/s57c4x-107218 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4284b1a6-77af-447f-a7c1-9e122b4f27e3.png?v=1774900470 Bortezomib Impurity 18 Bortezomib Impurity 18|C4X-107218 https://www.jk-sci.com/products/j5302339 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce63ebbf09c8cea553246c031ed11816.jpg?v=1776318880 2-Nitrophenol | 88-75-5 2-Nitrophenol|02339|88-75-5 https://www.jk-sci.com/products/s57c4x-107220 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b37619ca389723bd054ea2b9acf13b5.jpg?v=1776405862 Bortezomib Impurity 20 | 862894-96-0 Bortezomib Impurity 20|C4X-107220|862894-96-0 https://www.jk-sci.com/products/s57c4x-107225 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354938.png?v=1774722816 Bortezomib | 179324-69-7 Bortezomib|C4X-107225|179324-69-7 https://www.jk-sci.com/products/j5302382 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f71a05c9700fc4a7d543793d09ec2acd.jpg?v=1776318981 Na-Fmoc-Nw-(4-toluenesulfonyl)-D-arginine | 139090-50-9 Na-Fmoc-Nw-(4-toluenesulfonyl)-D-arginine|02382|139090-50-9 https://www.jk-sci.com/products/j5302462 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2268a2b68e529a8c208b94cd729a40e3.jpg?v=1776319183 Na-Fmoc-D-tryptophan | 86123-11-7 Na-Fmoc-D-tryptophan|02462|86123-11-7 https://www.jk-sci.com/products/j5302498 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a0dd7368423c6e0f1790f935bcb4001.jpg?v=1776319277 Boc-L-methionine 4-oxymethylphenylacetamidomethyl resin Boc-L-methionine 4-oxymethylphenylacetamidomethyl resin|02498 https://www.jk-sci.com/products/j5302434 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d431b48fc5649d113d0e91126ce9147b.jpg?v=1776319100 Na-Fmoc-Ne-Z-D-lysine | 110990-07-3 Na-Fmoc-Ne-Z-D-lysine|02434|110990-07-3 https://www.jk-sci.com/products/j5302467 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a63e56006b5097af5c88a1cc839ffa8.jpg?v=1776319196 Fmoc-O-2,6-dichlorobenzyl-L-tyrosine | 112402-12-7 Fmoc-O-2,6-dichlorobenzyl-L-tyrosine|02467|112402-12-7 https://www.jk-sci.com/products/j5302495 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362d5a914af559809dfaba597a7d910c.jpg?v=1776319265 Boc-D-leucine 4-oxymethylphenylacetamidomethyl resin Boc-D-leucine 4-oxymethylphenylacetamidomethyl resin|02495 https://www.jk-sci.com/products/a01939041 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120827.png?v=1776305638 2-Ethyl-3-methoxypyrazine, 98% | 25680-58-4 2-Ethyl-3-methoxypyrazine, 98%|939041|25680-58-4 https://www.jk-sci.com/products/j5302501 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1372cc8e938cfe364b94c831bcf8b2fa.jpg?v=1776319283 Na-Boc-Nd-Z-L-ornithine 4-oxymethylphenylacetamidomethyl resin Na-Boc-Nd-Z-L-ornithine 4-oxymethylphenylacetamidomethyl resin|02501 https://www.jk-sci.com/products/j5302505 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aae7400fbe291f58505adede2a90033.jpg?v=1776319294 Boc-D-proline 4-oxymethylphenylacetamidomethyl resin Boc-D-proline 4-oxymethylphenylacetamidomethyl resin|02505 https://www.jk-sci.com/products/j5321332 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53dfdc006424a9c1128c92faf8f0b3db.jpg?v=1776341596 D-Lysine | 923-27-3 D-Lysine|21332|923-27-3 https://www.jk-sci.com/products/s57c4x-107230 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e63fadfff7cef8e0dcc29d8cdf69d3e5.jpg?v=1776405868 Bortezomib Impurity 30 | 2379402-85-2 Bortezomib Impurity 30|C4X-107230|2379402-85-2 https://www.jk-sci.com/products/s57c4x-10724 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338f296cb5bd4467371ed19034eeded2.jpg?v=1776405870 Bortezomib Impurity 4 | 289472-81-7 Bortezomib Impurity 4|C4X-10724|289472-81-7 https://www.jk-sci.com/products/j5301979 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb0a0f52a74fa6c69ad64599289f4394.jpg?v=1776318119 Boc-D-alanine 4-oxymethylphenylacetamidomethyl resin Boc-D-alanine 4-oxymethylphenylacetamidomethyl resin|01979 https://www.jk-sci.com/products/j5301627 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd934e157d5e4218d47d48cbe98e8dc8.jpg?v=1776317543 Starch from corn | 9005-25-8 Starch from corn|01627|9005-25-8 https://www.jk-sci.com/products/j5301858 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9343d5971f36146ebcf10b02f37dff57.jpg?v=1776317854 Indoxyl butyrate | 4346-15-0 Indoxyl butyrate|01858|4346-15-0 https://www.jk-sci.com/products/j5302511 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc3592d6a189586d6f6682631a2b3cf.jpg?v=1776319310 Na-Boc-D-tryptophan 4-oxymethylphenylacetamidomethyl resin Na-Boc-D-tryptophan 4-oxymethylphenylacetamidomethyl resin|02511 https://www.jk-sci.com/products/j5301992 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0963de774886ce28807502764a37c5.jpg?v=1776318164 Boc-S-4-methylbenzyl-D-cysteine 4-oxymethylphenylacetamidomethyl resin Boc-S-4-methylbenzyl-D-cysteine 4-oxymethylphenylacetamidomethyl resin|01992 https://www.jk-sci.com/products/a019392290 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c747815-b516-4876-b954-77c9cf98d472.png?v=1776305656 2,3-Dibromopropan-1-amine hydrochloride, 97% 2,3-Dibromopropan-1-amine hydrochloride, 97%|9392290 https://www.jk-sci.com/products/s57c4x-107249 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c6f531bfa10ad3525fd3561a0e3fdc1.jpg?v=1776405877 Bortezomib Impurity 49 | 948294-96-0 Bortezomib Impurity 49|C4X-107249|948294-96-0 https://www.jk-sci.com/products/j5302243 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3af82bf0afabe9e5dee32c0eac6d2804.jpg?v=1776318659 Z-Pro-Pro-OH | 7360-23-8 Z-Pro-Pro-OH|02243|7360-23-8 https://www.jk-sci.com/products/j5302062 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ae571e80f311d7bcf29e9346b787740.jpg?v=1776318290 Fmoc-S-acetamidomethyl-L-penicillamine | 201531-76-2 Fmoc-S-acetamidomethyl-L-penicillamine|02062|201531-76-2 https://www.jk-sci.com/products/a01939432 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9dd6d2df46e5b7341f9d2e7e46f74afd.jpg?v=1776305790 3,3'-Dimethyldiphenylamine, 98% | 626-13-1 3,3'-Dimethyldiphenylamine, 98%|939432|626-13-1 https://www.jk-sci.com/products/j5302155 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81601a70f20c05959c50a8a245a67b9b.jpg?v=1776318451 Z-Glu-Phe-OH | 987-84-8 Z-Glu-Phe-OH|02155|987-84-8 https://www.jk-sci.com/products/j5302199 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a41b41a3fc92aa6a7e6260e6a00a2e3d.jpg?v=1776318538 Z-N-methyl-L-leucine | 33099-08-0 Z-N-methyl-L-leucine|02199|33099-08-0 https://www.jk-sci.com/products/j5302270 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea63d2f4ded2e49f97bbca7cf2553ce8.jpg?v=1776318752 Z-D-valine | 1685-33-2 Z-D-valine|02270|1685-33-2 https://www.jk-sci.com/products/s57c4x-10728 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c57f7781ef1767ee01bc6b0f698451c9.jpg?v=1776405890 Bortezomib Impurity 8 | 886979-81-3 Bortezomib Impurity 8|C4X-10728|886979-81-3 https://www.jk-sci.com/products/a019393420 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c616d424d912ee05639c79d4f2eb87ab.jpg?v=1776305693 (2,2-Dibromocyclopropyl) benzene, 98% | 3234-51-3 (2,2-Dibromocyclopropyl) benzene, 98%|9393420|3234-51-3 https://www.jk-sci.com/products/a019396600 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7144c9579e38e5c2e3f4a49a69976b46.jpg?v=1776305844 IDIC-4F / ID4F | 2229934-71-6 IDIC-4F / ID4F|9396600|2229934-71-6 https://www.jk-sci.com/products/a019395760 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33260966c9f0b4afcb0e302aca34768b.jpg?v=1776305797 Phenyl 4-o-acetyl-2,6-di-o-benzoyl-1-thio-β-d-galactopyranoside, 98% | 152488-28-3 Phenyl 4-o-acetyl-2,6-di-o-benzoyl-1-thio-β-d-galactopyranoside, 98%|9395760|152488-28-3 https://www.jk-sci.com/products/j5302304 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a45141053c636afc9a1862d0172a7ddb.jpg?v=1776318815 (R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol | 14347-78-5 (R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol|02304|14347-78-5 https://www.jk-sci.com/products/s57c4x-107312 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795515.png?v=1774668621 Linezolid Impurity 12 | 2689-39-6 Linezolid Impurity 12|C4X-107312|2689-39-6 https://www.jk-sci.com/products/s57c4x-107315 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5302361 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f179bdd0cb9ac3ca5b793f304c4cf216.jpg?v=1776318930 2,4,5-Trichlorophenol | 95-95-4 2,4,5-Trichlorophenol|02361|95-95-4 https://www.jk-sci.com/products/a01939782 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485756.png?v=1776305881 4-(N-Boc-Aminomethyl)aniline, 97% | 94838-55-8 4-(N-Boc-Aminomethyl)aniline, 97%|939782|94838-55-8 https://www.jk-sci.com/products/j5302450 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0920a9ff17f679d62f5ba92efb63ef12.jpg?v=1776319141 Fmoc-L-proline N-hydroxysuccinimide ester | 109074-94-4 Fmoc-L-proline N-hydroxysuccinimide ester|02450|109074-94-4 https://www.jk-sci.com/products/s57c4x-107323 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8aa1ffc4fc78b4229cfad9ab0e47e980.jpg?v=1776405905 Linezolid Impurity 23 | 908143-04-4 Linezolid Impurity 23|C4X-107323|908143-04-4 https://www.jk-sci.com/products/j5302492 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f43442ff560dfa7230ce4efc2e1add96.jpg?v=1776319254 Na-Boc-Nim-4-toluenesylfonyl-L-histidine 4-oxymethylphenylacetamidomethyl resin Na-Boc-Nim-4-toluenesylfonyl-L-histidine 4-oxymethylphenylacetamidomethyl resin|02492 https://www.jk-sci.com/products/s57c4x-107342 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddc3266a20432496ad4526cd18293d52.jpg?v=1776405915 Linezolid Impurity 42 | 168828-84-0 Linezolid Impurity 42|C4X-107342|168828-84-0 https://www.jk-sci.com/products/s57c4x-107352 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3879e4418d5ff16c992dc12827dbbfc0.jpg?v=1776405918 Linezolid Impurity 52 | 2512211-93-5 Linezolid Impurity 52|C4X-107352|2512211-93-5 https://www.jk-sci.com/products/s57c4x-10733 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc517587bad50d288aa402e3a496f46.jpg?v=1776405911 Linezolid Desacetamide Hydroxy Impurity | 168828-82-8 Linezolid Desacetamide Hydroxy Impurity|C4X-10733|168828-82-8 https://www.jk-sci.com/products/s57c4x-107360 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee11a7644450493c25d1ff598b97c31.jpg?v=1776405924 Linezolid Impurity 60 | 333753-72-3 Linezolid Impurity 60|C4X-107360|333753-72-3 https://www.jk-sci.com/products/s57c4x-107393 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2eb8702b-7fc3-4c11-8d19-2d65a3177168.png?v=1774725775 Linezolid Impurity 93 Linezolid Impurity 93|C4X-107393 https://www.jk-sci.com/products/s57c4x-107365 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b77eed00-24ea-4e0a-8047-474fcb502aa3.png?v=1774984554 Linezolid Impurity 65 Linezolid Impurity 65|C4X-107365 https://www.jk-sci.com/products/s57c4x-10741 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a01939794 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439785.png?v=1776305884 Methyl 2,5-dichloronicotinate, 97% | 67754-03-4 Methyl 2,5-dichloronicotinate, 97%|939794|67754-03-4 https://www.jk-sci.com/products/s57c4x-107411 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0751631269b4cb032a8e11debc10d2fb.jpg?v=1776405937 Moxifloxacin Impurity 11 | 1329836-33-0 Moxifloxacin Impurity 11|C4X-107411|1329836-33-0 https://www.jk-sci.com/products/j5302499 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890046810f4f7b25e1fe4f2ae3ecd358.jpg?v=1776319280 Boc-D-methionine 4-oxymethylphenylacetamidomethyl resin Boc-D-methionine 4-oxymethylphenylacetamidomethyl resin|02499 https://www.jk-sci.com/products/s57c4x-1074114 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-107414 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36d6ce95cccc9a95e56fb492ca481f8c.jpg?v=1776405946 Moxifloxacin EP Impurity G (HCl) | 1394029-14-1 Moxifloxacin EP Impurity G (HCl)|C4X-107414|1394029-14-1 https://www.jk-sci.com/products/s57c4x-107412 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467015_b3aab74f-01b1-4419-8d76-b5247f83ab0b.png?v=1774900485 Moxifloxacin Impurity 12 | 112811-72-0 Moxifloxacin Impurity 12|C4X-107412|112811-72-0 https://www.jk-sci.com/products/s57c4x-1074161 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a431c13945273ed4682931c8d1d0c4c3_11d465eb-d846-4b55-9d7b-fd00a7a64571.jpg?v=1776405952 Moxifloxacin impurity 161 | 55698-67-4 Moxifloxacin impurity 161|C4X-1074161|55698-67-4 https://www.jk-sci.com/products/j5302514 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdc14817c1f1cdea8c5f4148b0620d37.jpg?v=1776319319 Boc-O-2-bromo-Z-D-tyrosine 4-oxymethylphenylacetamidomethyl resin Boc-O-2-bromo-Z-D-tyrosine 4-oxymethylphenylacetamidomethyl resin|02514 https://www.jk-sci.com/products/j5302510 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3509e6cfe385acdec613502257f73f31.jpg?v=1776319306 Na-Boc-L-tryptophan 4-oxymethylphenylacetamidomethyl resin Na-Boc-L-tryptophan 4-oxymethylphenylacetamidomethyl resin|02510 https://www.jk-sci.com/products/j5302517 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c5d1df36402e744af28adcf7df5d643.jpg?v=1776319329 Boc-D-valine 4-oxymethylphenylacetamidomethyl resin Boc-D-valine 4-oxymethylphenylacetamidomethyl resin|02517 https://www.jk-sci.com/products/s57c4x-1074164 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/811da392681a254d18472733b5829915.jpg?v=1776405957 Moxifloxacin impurity 164 | 1668584-26-6 Moxifloxacin impurity 164|C4X-1074164|1668584-26-6 https://www.jk-sci.com/products/j5302582 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a180f9f40bad7217415b84f012b1e95.jpg?v=1776319448 Boc-3-(1-naphthyl)-L-alanine | 55447-00-2 Boc-3-(1-naphthyl)-L-alanine|02582|55447-00-2 https://www.jk-sci.com/products/j5302569 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c60e963e25dd1d81f94a334dde540ffd.jpg?v=1776319403 Fmoc-4-chloro-D-phenylalanine | 142994-19-2 Fmoc-4-chloro-D-phenylalanine|02569|142994-19-2 https://www.jk-sci.com/products/j5302603 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e5564a247c234227be200bcdd0bf859.jpg?v=1776319514 L-Thiaproline | 34592-47-7 L-Thiaproline|02603|34592-47-7 https://www.jk-sci.com/products/j5302608 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08c158b86820b100e3fa833d21731672.jpg?v=1776319533 Acetyl-D-alanine methyl ester | 19914-36-4 Acetyl-D-alanine methyl ester|02608|19914-36-4 https://www.jk-sci.com/products/j5302624 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229d09b69460de495418dae66caaec30.jpg?v=1776319585 Acetyl-D-methionine | 1509-92-8 Acetyl-D-methionine|02624|1509-92-8 https://www.jk-sci.com/products/s57c4x-10742 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cfa6a037-e555-4d7f-924d-930dbb1ff4d6.png?v=1774969287 Moxifloxacin EP Impurity B HCl | 2252446-68-5 Moxifloxacin EP Impurity B HCl|C4X-10742|2252446-68-5 https://www.jk-sci.com/products/j5302634 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb4abc34ebf824252661f4a480836d12.jpg?v=1776319626 Acetyl-L-proline methyl ester | 27460-51-1 Acetyl-L-proline methyl ester|02634|27460-51-1 https://www.jk-sci.com/products/j5302630 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af82d92b989d246a1fda750fb2b08563.jpg?v=1776319612 Acetyl-L-phenylalanine methyl ester | 3618-96-0 Acetyl-L-phenylalanine methyl ester|02630|3618-96-0 https://www.jk-sci.com/products/s57c4x-107425 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a420af8898a4c7842aa55111da1755d4.jpg?v=1776405963 Moxifloxacin Impurity 25 | 143158-55-8 Moxifloxacin Impurity 25|C4X-107425|143158-55-8 https://www.jk-sci.com/products/s57c4x-107430 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361889.png?v=1774723752 Moxifloxacin Difluoro Methoxy Ethyl Ester | 112811-71-9 Moxifloxacin Difluoro Methoxy Ethyl Ester|C4X-107430|112811-71-9 https://www.jk-sci.com/products/s57c4x-107429 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed5fe5a99d985d92d10e55d30a48237d.jpg?v=1776405969 Moxifloxacin Impurity 29 | 1395056-41-3 Moxifloxacin Impurity 29|C4X-107429|1395056-41-3 https://www.jk-sci.com/products/j5302643 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0deac8099dbd076cf2e32508196eee0d.jpg?v=1776319656 Acetyl-L-valine | 96-81-1 Acetyl-L-valine|02643|96-81-1 https://www.jk-sci.com/products/s57c4x-107439 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117069_47eeefe2-ba15-4326-aa1a-a0b6fd3e98a2.png?v=1774966777 Moxifloxacin Impurity 39 | 151213-40-0 Moxifloxacin Impurity 39|C4X-107439|151213-40-0 https://www.jk-sci.com/products/a011278084 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/916f4ad64c6c8a9db3bbae45aaa7d96c.jpg?v=1784644078 2-Azido-1,3-dimethylimidazolinium hexafluorophosphate, 98% | 1266134-54-6 2-Azido-1,3-dimethylimidazolinium hexafluorophosphate, 98%|1278084|1266134-54-6 https://www.jk-sci.com/products/s57c4x-107459 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-107445 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264673.png?v=1774723756 Moxifloxacin Impurity 45 | 112811-65-1 Moxifloxacin Impurity 45|C4X-107445|112811-65-1 https://www.jk-sci.com/products/s57c4x-107455 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42074c34a26aa63a900f1193fb11d700.jpg?v=1776405988 Moxifloxacin Impurity 55 | 53764-99-1 Moxifloxacin Impurity 55|C4X-107455|53764-99-1 https://www.jk-sci.com/products/j5302660 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26a34348b1cbc376935b5bbe22ca10c6.jpg?v=1776319712 Boc-N-methyl-D-leucine | 89536-84-5 Boc-N-methyl-D-leucine|02660|89536-84-5 https://www.jk-sci.com/products/s57c4x-10747 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5302671 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bee75ead0cacf00d64770764c8a567c3.jpg?v=1776319750 Na-Fmoc-Na-Methyl-D-phenylalanine | 138775-05-0 Na-Fmoc-Na-Methyl-D-phenylalanine|02671|138775-05-0 https://www.jk-sci.com/products/s57c4x-107464 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb043e3afc2d350d6294b56ca043a5dc.jpg?v=1776405994 Moxifloxacin Impurity 64 | 18184-75-3 Moxifloxacin Impurity 64|C4X-107464|18184-75-3 https://www.jk-sci.com/products/j5302676 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20977449b2859d2e07a3e2e8bce51f26.jpg?v=1776319768 Fmoc-N-methyl-O-benzyl-L-tyrosine | 428868-52-4 Fmoc-N-methyl-O-benzyl-L-tyrosine|02676|428868-52-4 https://www.jk-sci.com/products/j5302673 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d53d1445d8b887f973fedccd206193d.jpg?v=1776319757 Boc-N-methyl-O-benzyl-L-threonine cyclohexyl ammonium salt | 64263-80-5 Boc-N-methyl-O-benzyl-L-threonine cyclohexyl ammonium salt|02673|64263-80-5 https://www.jk-sci.com/products/a011280183 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21ef8e71f1c30c5ae2c4be2f0df5c056.jpg?v=1784644094 Triphenyl(4-pyridylmethyl)phosphate chloride, 95% | 73870-25-4 Triphenyl(4-pyridylmethyl)phosphate chloride, 95%|1280183|73870-25-4 https://www.jk-sci.com/products/j5302685 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1b8f33c576622a2e37436eecf417b12.jpg?v=1776319794 Boc-3-(3'-pyridyl)-D-alanine | 98266-33-2 Boc-3-(3'-pyridyl)-D-alanine|02685|98266-33-2 https://www.jk-sci.com/products/j5302700 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28053cc09f45e0da6a72522242378cb1.jpg?v=1776319840 Boc-L-glutamic acid a-cyclohexyl ester | 137506-13-9 Boc-L-glutamic acid a-cyclohexyl ester|02700|137506-13-9 https://www.jk-sci.com/products/j5302724 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4340a73656a87bb4e336ddb5455309f0.jpg?v=1776319918 4-Methylbenzyl-3-thio-propionic acid | 78981-22-3 4-Methylbenzyl-3-thio-propionic acid|02724|78981-22-3 https://www.jk-sci.com/products/j5301771 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec460ac5ed60ded1d7c2cd4667a7db83.jpg?v=1776317734 Sodium polyanethol sulfonate | 55963-78-5 Sodium polyanethol sulfonate|01771|55963-78-5 https://www.jk-sci.com/products/a011281071 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff6d050f04592aef9ac281ba1d039be3.jpg?v=1784644102 Cbz-NH-PEG2-CH2COOH, 99% | 165454-06-8 Cbz-NH-PEG2-CH2COOH, 99%|1281071|165454-06-8 https://www.jk-sci.com/products/s57c4x-107491 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5302144 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04b21cddb6694e08e7ae1531ff430bc8.jpg?v=1776318413 Na-Z-D-asparagine | 4474-86-6 Na-Z-D-asparagine|02144|4474-86-6 https://www.jk-sci.com/products/j5301986 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456f29e8febe74f17d4f4443948809a2.jpg?v=1776318146 Boc-L-aspartic acid b-benzyl ester 4-oxymethylphenylacetamidomethyl resin Boc-L-aspartic acid b-benzyl ester 4-oxymethylphenylacetamidomethyl resin|01986 https://www.jk-sci.com/products/j5302215 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8287988c75eeb96b98a14e7c30d15d5d.jpg?v=1776318592 Z-L-methionine | 1152-62-1 Z-L-methionine|02215|1152-62-1 https://www.jk-sci.com/products/s57c4x-107499 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_edeaa03b-c4cf-42bc-95da-69cc04c476da.png?v=1774900489 Moxifloxacin Impurity 99 Moxifloxacin Impurity 99|C4X-107499 https://www.jk-sci.com/products/s57c4x-107495 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134cb0e43203271068e42627c13cd060.jpg?v=1776406001 Moxifloxacin Impurity 95 | 71083-22-2 Moxifloxacin Impurity 95|C4X-107495|71083-22-2 https://www.jk-sci.com/products/s57c4x-10761 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcb61526cfef24197f0e480e4d809035.jpg?v=1776406007 Tenofovir disoproxil Impurity 1 | 1432630-26-6 Tenofovir disoproxil Impurity 1|C4X-10761|1432630-26-6 https://www.jk-sci.com/products/s57c4x-107489 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581580_db563c3d-4606-4fff-a76a-099612a59753.png?v=1774644400 Moxifloxacin Impurity 89 | 924-99-2 Moxifloxacin Impurity 89|C4X-107489|924-99-2 https://www.jk-sci.com/products/s57c4x-1076105 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c166db416f437645bf9afd3c5e40e39.jpg?v=1776406010 Tenofovir disoproxil Impurity 105 | 2361988-22-7 Tenofovir disoproxil Impurity 105|C4X-1076105|2361988-22-7 https://www.jk-sci.com/products/s57c4x-1076107 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7c8a0eb4-fd88-4b9e-a739-ab72d5ae7fc4.png?v=1774720980 Tenofovir monopyrfuroxil enrutabine adduct Tenofovir monopyrfuroxil enrutabine adduct|C4X-1076107 https://www.jk-sci.com/products/s57c4x-107611 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eff55c79b96b19a685b134a433d89187.jpg?v=1776406017 Tenofovir disoproxil Impurity 11 | 1422284-15-8 Tenofovir disoproxil Impurity 11|C4X-107611|1422284-15-8 https://www.jk-sci.com/products/s57c4x-10762 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3346f6abfa025d22c643396d866c999f.jpg?v=1776406023 Tenofovir disoproxil Impurity 2 | 1446486-33-4 Tenofovir disoproxil Impurity 2|C4X-10762|1446486-33-4 https://www.jk-sci.com/products/s57c4x-107626 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16ea58ca10553fa21353ebf88e2e26f3_0c4facb8-0574-4a90-96c1-19bbb5b9691d.jpg?v=1776406025 Tenofovir Disoproxil Impurity 26 | 147127-19-3 Tenofovir Disoproxil Impurity 26|C4X-107626|147127-19-3 https://www.jk-sci.com/products/s57c4x-107628 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80a800430660b35eb740606ef54a0870.jpg?v=1776406028 Tenofovir disoproxil Impurity 28 | 1115-59-9 Tenofovir disoproxil Impurity 28|C4X-107628|1115-59-9 https://www.jk-sci.com/products/s57c4x-102024 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_742b7b44-c720-44f8-9363-7d6275b236ca.png?v=1774886524 Vonoprazan Fumarate Impurity 24 Vonoprazan Fumarate Impurity 24|C4X-102024 https://www.jk-sci.com/products/j5302290 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ef52709c047ff9f36b7bfcefb04e48.jpg?v=1776318786 tert-Butyl 2,2,2-trichloroacetimidate | 98946-18-0 tert-Butyl 2,2,2-trichloroacetimidate|02290|98946-18-0 https://www.jk-sci.com/products/j5302401 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51617a9f8ad5f7739325dd85598ee51b.jpg?v=1776319020 Fmoc-S-tert-butyl-L-cysteine | 67436-13-9 Fmoc-S-tert-butyl-L-cysteine|02401|67436-13-9 https://www.jk-sci.com/products/s57c4x-105474 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_666ab1f4-4fe8-4aef-93fb-c631c792f39d.png?v=1774721928 Tedizolid Impurity 74 Tedizolid Impurity 74|C4X-105474 https://www.jk-sci.com/products/j5302497 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69bcbca669b2cd833294d5d74cc32fef.jpg?v=1776319274 Na-Boc-Ne-2-chloro-Z-D-lysine 4-oxymethylphenylacetamidomethyl resin Na-Boc-Ne-2-chloro-Z-D-lysine 4-oxymethylphenylacetamidomethyl resin|02497 https://www.jk-sci.com/products/j5302513 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/071d9408d0d59e989a866b3187f7c455.jpg?v=1776319316 Boc-O-2-bromo-Z-L-tyrosine 4-oxymethylphenylacetamidomethyl resin Boc-O-2-bromo-Z-L-tyrosine 4-oxymethylphenylacetamidomethyl resin|02513 https://www.jk-sci.com/products/j5302555 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc2533ee7b34450ff10d6a121a5b93e6.jpg?v=1776319355 D-a-tert-Butyl-Gly-OH | 26782-71-8 D-a-tert-Butyl-Gly-OH|02555|26782-71-8 https://www.jk-sci.com/products/s57c4x-105914 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331fec212e1fa8a5c1eed9997ba83cfd.jpg?v=1776405421 Cinacalcet Impurity 14 | 1217809-88-5 Cinacalcet Impurity 14|C4X-105914|1217809-88-5 https://www.jk-sci.com/products/s57c4x-106410 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/841879eec537ed2dba8c4698a91809a8_5c1f3bfe-ec64-4dcf-80c2-26f5214af4fe.jpg?v=1776405544 Ibrutinib Impurity 10 | 1022150-12-4 Ibrutinib Impurity 10|C4X-106410|1022150-12-4 https://www.jk-sci.com/products/s57c4x-1065178 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_95f51d8c-db0b-4bc5-b2b0-5087a17c2843.png?v=1774986131 Empagliflozin impurity 178 Empagliflozin impurity 178|C4X-1065178 https://www.jk-sci.com/products/s57c4x-1065188 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-1065204 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0ec5b7f6797eecfd5ece8746080b860.jpg?v=1776405637 Empagliflozin impurity 204 | 1800196-43-3 Empagliflozin impurity 204|C4X-1065204|1800196-43-3 https://www.jk-sci.com/products/s57c4x-1065222 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_beb841e1-e9d4-47e9-aeaf-e9fb5670ec64.png?v=1774671519 Empagliflozin impurity 222 Empagliflozin impurity 222|C4X-1065222 https://www.jk-sci.com/products/s57c4x-1065278 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24a8c441-5103-41d6-851b-1d3f0c454ac1.png?v=1774880215 Empagliflozin Impurity 278 Empagliflozin Impurity 278|C4X-1065278 https://www.jk-sci.com/products/s57c4x-106541 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3f6075d0-4408-444a-a6a3-266703bf6dd6.png?v=1774882004 Empagliflozin Impurity 41 Empagliflozin Impurity 41|C4X-106541 https://www.jk-sci.com/products/s57c4x-1067 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-106575 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfdfe0917fefa0ab16d83becf8e76e9e.jpg?v=1776405684 Empagliflozin Impurity 75 | 915095-87-3 Empagliflozin Impurity 75|C4X-106575|915095-87-3 https://www.jk-sci.com/products/s57c4x-106714 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63b7a95bfaf21b54b4669ecd37504516.jpg?v=1776405697 Levetiracetam Impurity 14 | 103833-72-3 Levetiracetam Impurity 14|C4X-106714|103833-72-3 https://www.jk-sci.com/products/s57c4x-106721 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456901_c67ec498-a2ca-4cd4-b227-feb9b0eeba21.png?v=1774712656 Levetiracetam EP Impurity A | 67118-31-4 Levetiracetam EP Impurity A|C4X-106721|67118-31-4 https://www.jk-sci.com/products/s57c4x-106732 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0072260a620e449fed29069dfbfd7ff6.jpg?v=1776405711 Levetiracetam Impurity 32 | 93778-15-5 Levetiracetam Impurity 32|C4X-106732|93778-15-5 https://www.jk-sci.com/products/j5302587 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47db59c0a308749a2f2348b8f684c42e.jpg?v=1776319467 Boc-3-(2-naphthyl)-D-alanine | 76985-10-9 Boc-3-(2-naphthyl)-D-alanine|02587|76985-10-9 https://www.jk-sci.com/products/j5302621 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3aa9276365487451f4a3065bfc9673cc.jpg?v=1776319576 Na-Acetyl-L-lysine | 1946-82-3 Na-Acetyl-L-lysine|02621|1946-82-3 https://www.jk-sci.com/products/j5302632 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bbc2ef5b1838a710fac3319bc301623.jpg?v=1776319620 Acetyl-D-proline | 59785-68-1 Acetyl-D-proline|02632|59785-68-1 https://www.jk-sci.com/products/s57c4x-106853 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573697_51779571-c4cb-4e1e-b5f6-8221599af3b4.png?v=1774723748 Imatinib Impurity 53 | 152460-09-8 Imatinib Impurity 53|C4X-106853|152460-09-8 https://www.jk-sci.com/products/j5302644 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50b532de1b9b9fb8a2bc2f437728d2c2.jpg?v=1776319661 Acetyl-D-valine | 17916-88-0 Acetyl-D-valine|02644|17916-88-0 https://www.jk-sci.com/products/j5302672 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2b52ebeb8e6520395f6b201dc05997d.jpg?v=1776319753 Fmoc-N-methyl-O-benzyl-L-serine | 84000-14-6 Fmoc-N-methyl-O-benzyl-L-serine|02672|84000-14-6 https://www.jk-sci.com/products/j5302739 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02a2ec9adb9277f469ecb06e7fad5bbe.jpg?v=1776319937 Boc-O-benzyl-3,5-dibromo-L-tyrosine | 218769-47-2 Boc-O-benzyl-3,5-dibromo-L-tyrosine|02739|218769-47-2 https://www.jk-sci.com/products/j5302743 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42ea82bdab1b08b629355082c15650de.jpg?v=1776319947 Boc-L-alanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh) Boc-L-alanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02743 https://www.jk-sci.com/products/j5302680 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a11a4dda35250de8df1c20d5fe8c5d00.jpg?v=1776319781 Z-N-methyl-L-valine | 42417-65-2 Z-N-methyl-L-valine|02680|42417-65-2 https://www.jk-sci.com/products/j5302711 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97f5c4ac295f9fc982c0c3b1b9c01226.jpg?v=1776319879 Na-Boc-Ne-isopropyl-Ne-Z-L-lysine dicyclohexylammonium salt | 125323-99-1 Na-Boc-Ne-isopropyl-Ne-Z-L-lysine dicyclohexylammonium salt|02711|125323-99-1 https://www.jk-sci.com/products/a011281098 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecb919f8829faea4725d1f74922a24f0.jpg?v=1784644100 3-Methyloxazolidine-2, 97% | 5840-76-6 3-Methyloxazolidine-2, 97%|1281098|5840-76-6 https://www.jk-sci.com/products/j5302750 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13008163cbf73551a3b0f068999d9615.jpg?v=1776319968 Boc-L-aspartic acid b-benzyl ester Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh) Boc-L-aspartic acid b-benzyl ester Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh)|02750 https://www.jk-sci.com/products/s57c4x-106958 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dfd45ec4-107d-4078-ad06-d8ae52c33881.png?v=1774720963 Erlotinib Impurity 58 Erlotinib Impurity 58|C4X-106958 https://www.jk-sci.com/products/j5302757 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09e8e6f5748e587cc337a4eb604d89a8.jpg?v=1776319989 Boc-L-glutamic acid g-benzyl ester Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh) Boc-L-glutamic acid g-benzyl ester Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh)|02757 https://www.jk-sci.com/products/j5302748 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d30ba8dc187b80de6f2b8db6dde1b735.jpg?v=1776319962 Na-Boc-L-asparagine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh) Na-Boc-L-asparagine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh)|02748 https://www.jk-sci.com/products/a011282869 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e540899815674c66da81c834acae8cdb.jpg?v=1784644119 4-Nitro-2H-1,2,3-triazole, 98% | 84406-63-3 4-Nitro-2H-1,2,3-triazole, 98%|1282869|84406-63-3 https://www.jk-sci.com/products/j5302754 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493900a0876097d3349312a174b72551.jpg?v=1776319981 Boc-S-4-methoxybenzyl-L-cysteine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh) Boc-S-4-methoxybenzyl-L-cysteine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh)|02754 https://www.jk-sci.com/products/a011282995 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_513584c0-1a05-4b4d-9f4c-c7f071734618.png?v=1784644123 Protein hydrolyzates, silk, Protein: ≥90% | 96690-41-4 Protein hydrolyzates, silk, Protein: ≥90%|1282995|96690-41-4 https://www.jk-sci.com/products/s57c4x-1069112 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201869_b9c09f6e-8d41-42bf-bd04-64f830ce556e.png?v=1774736353 Erlotinib Impurity 112 | 99-03-6 Erlotinib Impurity 112|C4X-1069112|99-03-6 https://www.jk-sci.com/products/j5302768 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7f7f470b4fbfd7658c0c1a2c118dd2c.jpg?v=1776320028 Boc-D-leucine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh) Boc-D-leucine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02768 https://www.jk-sci.com/products/j5302760 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7748f938df04e3759b209afc8b13acab.jpg?v=1776320001 Na-Boc-L-glutamine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh) Na-Boc-L-glutamine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh)|02760 https://www.jk-sci.com/products/s57c4x-107020 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0a678ce5b4e9f6a24bbca5c816b7515_a7f9d7aa-71ec-44a5-ad37-1358e1f225f4.jpg?v=1776405765 Abiraterone Acetate | 154229-18-2 Abiraterone Acetate|C4X-107020|154229-18-2 https://www.jk-sci.com/products/j5302775 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9433961a3de91c8ab0f826789d95970.jpg?v=1776320053 Boc-L-proline Merrifield resin (> 0.80 meq/g, 100 - 200 mesh) Boc-L-proline Merrifield resin (> 0.80 meq/g, 100 - 200 mesh)|02775 https://www.jk-sci.com/products/s57c4x-10704 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cabc9e5ef69034e57b62c13a3007163.jpg?v=1776405781 Abiraterone Impurity 4 | 2484719-26-6 Abiraterone Impurity 4|C4X-10704|2484719-26-6 https://www.jk-sci.com/products/s57c4x-107113 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91ec48cc25d6726d815ff8e0aa8af474.jpg?v=1776405805 Axitinib Impurity 13 | 2527-66-4 Axitinib Impurity 13|C4X-107113|2527-66-4 https://www.jk-sci.com/products/s57c4x-107057 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4f8c2cd4d58238b8c79fc4cb6cdb031.jpg?v=1776405794 Abiraterone Impurity 57 | 62509-26-6 Abiraterone Impurity 57|C4X-107057|62509-26-6 https://www.jk-sci.com/products/j5302782 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76ae08de824f4a3ee0069863c51a4ea6.jpg?v=1776320077 Na-Boc-Nin-formyl-L-tryptophan Merrifield resin (0.3 - 0.8 meq/g, 100 - 200 mesh) Na-Boc-Nin-formyl-L-tryptophan Merrifield resin (0.3 - 0.8 meq/g, 100 - 200 mesh)|02782 https://www.jk-sci.com/products/s57c4x-107130 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37fe74c7-9214-409c-8981-52cd3f2642d7.png?v=1774725768 Axitinib Impurity 30 Axitinib Impurity 30|C4X-107130 https://www.jk-sci.com/products/j5302787 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7aa5631f0013064afda273c9b0f9e71.jpg?v=1776320083 Boc-L-valine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh) Boc-L-valine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02787 https://www.jk-sci.com/products/s57c4x-107143 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5302865 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b00aa3dc9bde93b2ff12ad8f76a29638.jpg?v=1776320178 Tobramycin | 32986-56-4 Tobramycin|02865|32986-56-4 https://www.jk-sci.com/products/j5302835 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d10458c9312c2ddb9545f2828aa6fa80.jpg?v=1776320115 Triton X-405 | 92046-34-9 Triton X-405|02835|92046-34-9 https://www.jk-sci.com/products/a01128429 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128429_67631128-7415-4eb6-844d-cd69cbdc19f7.png?v=1784644134 5-Bromo-2-chlorobenzoic acid, 99% | 21739-92-4 5-Bromo-2-chlorobenzoic acid, 99%|128429|21739-92-4 https://www.jk-sci.com/products/j5302875 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4c346ce322dbfdb1630f1c3fa6f9f08.jpg?v=1776320207 Naphthol AS-D chloroacetate | 35245-26-2 Naphthol AS-D chloroacetate|02875|35245-26-2 https://www.jk-sci.com/products/a01128631 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e8f4527ba80506a6021d2913a7a753e.jpg?v=1784644151 [(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl]palladium(II) chloride, 98% | 115826-95-4 [(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl]palladium(II) chloride, 98%|128631|115826-95-4 https://www.jk-sci.com/products/j5303066 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a112a8a77e65028c1516fa56e3cc522.jpg?v=1776320469 L-Glutamic acid dimethyl ester hydrochloride | 23150-65-4 L-Glutamic acid dimethyl ester hydrochloride|03066|23150-65-4 https://www.jk-sci.com/products/s57c4x-107211 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bca8d7ab-6fe6-44b3-b7a9-55ab641b39ba.png?v=1774711210 Bortezomib Impurity 11 Bortezomib Impurity 11|C4X-107211 https://www.jk-sci.com/products/j5303082 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c162ad4b44bbfba970b57ed222423e0.jpg?v=1776320509 Na-Benzoyl-L-histidine methyl ester | 3005-62-7 Na-Benzoyl-L-histidine methyl ester|03082|3005-62-7 https://www.jk-sci.com/products/j5302911 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562a2cfe5d87380bd5f62689ba222d20.jpg?v=1776320290 Nim-Trityl-histidine | 35146-32-8 Nim-Trityl-histidine|02911|35146-32-8 https://www.jk-sci.com/products/j5303046 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcdd554c97729fbfe64f76f4bd582b58.jpg?v=1776320416 S-Acetamidomethyl-L-cysteine hydrochloride | 28798-28-9 S-Acetamidomethyl-L-cysteine hydrochloride|03046|28798-28-9 https://www.jk-sci.com/products/j5301340 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85275573331189e670c0a851cd3ae8ba.jpg?v=1776316825 Boc-L-aspartic acid b-tert-butyl ester dicyclohexylammonium salt | 1913-12-8 Boc-L-aspartic acid b-tert-butyl ester dicyclohexylammonium salt|01340|1913-12-8 https://www.jk-sci.com/products/j5302893 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ca187c0ea79c07b0f59c476369bc0df.jpg?v=1776320252 Fmoc-D-tyrosine | 112883-29-1 Fmoc-D-tyrosine|02893|112883-29-1 https://www.jk-sci.com/products/j5302023 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17af7ffa8047c8cf79cb7a8a21f64077.jpg?v=1776318220 2-Pyridinecarboxaldehyde | 1121-60-4 2-Pyridinecarboxaldehyde|02023|1121-60-4 https://www.jk-sci.com/products/j5302466 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66168fba7f5093d9febb26d95b228679.jpg?v=1776319195 Fmoc-O-2-bromo-Z-L-tyrosine | 147688-40-2 Fmoc-O-2-bromo-Z-L-tyrosine|02466|147688-40-2 https://www.jk-sci.com/products/s57c4x-10722 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c44966ab5e13b73aab45a33828b0e4cb.jpg?v=1776405859 Bortezomib Impurity 2 | 114457-94-2 Bortezomib Impurity 2|C4X-10722|114457-94-2 https://www.jk-sci.com/products/j5302516 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150178130c7e63c3eccc3e996c32928c.jpg?v=1776319326 Boc-L-valine 4-oxymethylphenylacetamidomethyl resin Boc-L-valine 4-oxymethylphenylacetamidomethyl resin|02516 https://www.jk-sci.com/products/j5302254 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf0262f2521e0cc418a3d974563b30f.jpg?v=1776318698 Z-L-serine methyl ester | 1676-81-9 Z-L-serine methyl ester|02254|1676-81-9 https://www.jk-sci.com/products/s57c4x-10723 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/707d42e0b98047bfaa2280afeeb67444.jpg?v=1776405864 Bortezomib Impurity 3 | 289472-78-2 Bortezomib Impurity 3|C4X-10723|289472-78-2 https://www.jk-sci.com/products/j5302606 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60196a4687f69597f41506f5c1a67749.jpg?v=1776319525 Acetyl-L-alanine amide | 15962-47-7 Acetyl-L-alanine amide|02606|15962-47-7 https://www.jk-sci.com/products/s57c4x-107242 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344605_2739711c-1dcc-4038-bcf2-1614062bf29c.png?v=1774971549 Bortezomib Impurity 42 | 89-01-0 Bortezomib Impurity 42|C4X-107242|89-01-0 https://www.jk-sci.com/products/a01130129 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130129.png?v=1784644225 (2-Fluoro-3-formylphenyl)boronic acid, 97% | 849061-98-9 (2-Fluoro-3-formylphenyl)boronic acid, 97%|130129|849061-98-9 https://www.jk-sci.com/products/a01128815 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128815.png?v=1784644162 4-Bromo-4'-hydroxybiphenyl, 99% | 29558-77-8 4-Bromo-4'-hydroxybiphenyl, 99%|128815|29558-77-8 https://www.jk-sci.com/products/j5302640 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/818ae37148d8018afb66cbda47c6102f.jpg?v=1776319645 Acetyl-L-tyrosine amide | 1948-71-6 Acetyl-L-tyrosine amide|02640|1948-71-6 https://www.jk-sci.com/products/j5302674 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be28c72de82c75e4cb96b93d3e3add67.jpg?v=1776319760 Fmoc-N-methyl-O-benzyl-L-threonine | 198561-81-8 Fmoc-N-methyl-O-benzyl-L-threonine|02674|198561-81-8 https://www.jk-sci.com/products/j5302737 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed983d8ebee48ec198fd655bc220faf9.jpg?v=1776319934 Boc-O-dimethylphospho-L-tyrosine | 92264-99-8 Boc-O-dimethylphospho-L-tyrosine|02737|92264-99-8 https://www.jk-sci.com/products/j5302752 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acd2741f324facdd26f3701db91e5ca5.jpg?v=1776319975 Boc-L-aspartic acid b-cyclohexyl ester Merrifield resin (0.3 - 0.8 meq/g, 100 - 200 mesh) Boc-L-aspartic acid b-cyclohexyl ester Merrifield resin (0.3 - 0.8 meq/g, 100 - 200 mesh)|02752 https://www.jk-sci.com/products/s57c4x-107331 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3c9a8c0b-eaea-4366-9711-4f54546db3cc.png?v=1774884431 Linezolid Impurity 31 Linezolid Impurity 31|C4X-107331 https://www.jk-sci.com/products/j5302744 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5adaf0e992b18eb26ca84af6a605258.jpg?v=1776319950 Boc-D-alanine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh) Boc-D-alanine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh)|02744 https://www.jk-sci.com/products/s57c4x-10732 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c266c1682a27a0e106552311076d0f03_52e9c9d0-bf9e-4713-a375-57d41ff42213.jpg?v=1776405902 Linezolid Impurity 2 | 168828-90-8 Linezolid Impurity 2|C4X-10732|168828-90-8 https://www.jk-sci.com/products/j5302758 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9df082d7a98e9036e9c1822375553136.jpg?v=1776319993 Boc-D-glutamic acid g-benzyl ester Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh) Boc-D-glutamic acid g-benzyl ester Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02758 https://www.jk-sci.com/products/j5302774 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f11c8160f3ab1546e52f533eb6a88e4.jpg?v=1776320049 Boc-D-phenylalanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh) Boc-D-phenylalanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02774 https://www.jk-sci.com/products/j5302786 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea61fef6b27cd9c48e4bb1f8f0854480.jpg?v=1776320080 Boc-O-2,6-dichlorobenzyl-L-tyrosine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh) Boc-O-2,6-dichlorobenzyl-L-tyrosine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh)|02786 https://www.jk-sci.com/products/s57c4x-10736 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca79ba69a0c054e87a0de827680d859e.jpg?v=1776405920 Linezolid Impurity 6 | 333753-67-6 Linezolid Impurity 6|C4X-10736|333753-67-6 https://www.jk-sci.com/products/s57c4x-10737 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/008bec2d26c7d7f0c939043215e3f861.jpg?v=1776405932 Linezolid Impurity 7 | 1391068-25-9 Linezolid Impurity 7|C4X-10737|1391068-25-9 https://www.jk-sci.com/products/j5302854 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/965c3301c32c0577eaa7678afbb3dd9e.jpg?v=1776320147 L-3,4-Dichlorophenylalanine | 52794-99-7 L-3,4-Dichlorophenylalanine|02854|52794-99-7 https://www.jk-sci.com/products/j5302882 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e57fc3bf467b1f6844f5d012aafd74c.jpg?v=1776320228 Na-Fmoc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine | 187618-60-6 Na-Fmoc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine|02882|187618-60-6 https://www.jk-sci.com/products/s57c4x-1074100 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_990f089b-4d3e-410b-b829-b3b317bdd957.png?v=1775062612 Moxifloxacin Impurity 100 Moxifloxacin Impurity 100|C4X-1074100 https://www.jk-sci.com/products/j5303027 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8315897f9763d93053987474888606cd.jpg?v=1776320364 Nw-Nitro-D-arginine methyl ester hydrochloride | 50912-92-0 Nw-Nitro-D-arginine methyl ester hydrochloride|03027|50912-92-0 https://www.jk-sci.com/products/a01131645 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131645.png?v=1784644295 Dimethyl sebacate, 94% | 106-79-6 Dimethyl sebacate, 94%|131645|106-79-6 https://www.jk-sci.com/products/j5303081 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271e1f0149d3e85c181f5acfea83a2ef.jpg?v=1776320505 Na-Benzoyl-L-histidine | 5354-94-9 Na-Benzoyl-L-histidine|03081|5354-94-9 https://www.jk-sci.com/products/s57c4x-1074122 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db47da2aa7646f3db976424ab6ed938_95e1c58d-6ab1-47b5-a4c7-fb732cd93922.jpg?v=1776405943 Sodium 1-ethoxy-1,3-dioxopropan-2-ide | 58986-28-0 Sodium 1-ethoxy-1,3-dioxopropan-2-ide|C4X-1074122|58986-28-0 https://www.jk-sci.com/products/j5303101 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1eef24a859a7d010e15c50c4bf4bb15.jpg?v=1776320577 Na-Benzoyl-L-lysine | 366-74-5 Na-Benzoyl-L-lysine|03101|366-74-5 https://www.jk-sci.com/products/j5303105 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93f52990ae9a147e9001605e18956349.jpg?v=1776320591 L-Methionine methyl ester hydrochloride | 2491-18-1 L-Methionine methyl ester hydrochloride|03105|2491-18-1 https://www.jk-sci.com/products/j5303110 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7497ce3291cf443ce9f38f9d02f175c2.jpg?v=1776320605 Na-Benzoyl-L-ornithine | 17966-71-1 Na-Benzoyl-L-ornithine|03110|17966-71-1 https://www.jk-sci.com/products/j5303123 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37e411a7a6a05001f97ae68877f6c2d3.jpg?v=1776320651 Benzoyl-L-phenylalanine | 2566-22-5 Benzoyl-L-phenylalanine|03123|2566-22-5 https://www.jk-sci.com/products/s57c4x-1074162 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17d39940d81ce75e22ee9023fcf66bd6.jpg?v=1776405955 Moxifloxacin impurity 162 | 90800-42-3 Moxifloxacin impurity 162|C4X-1074162|90800-42-3 https://www.jk-sci.com/products/s57c4x-107613 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a31b05555cf29564024085f7d420c90.jpg?v=1776406020 Tenofovir disoproxil Impurity 13 | 1244022-54-5 Tenofovir disoproxil Impurity 13|C4X-107613|1244022-54-5 https://www.jk-sci.com/products/s57c4x-107431 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5aa7f837ca1c742daaf276e5f0badade.jpg?v=1776405975 Moxifloxacin EP Impurity H | 721970-35-0 Moxifloxacin EP Impurity H|C4X-107431|721970-35-0 https://www.jk-sci.com/products/j5303198 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d09ec2c0fecf20aefa35a7a5cf9b018c.jpg?v=1776320887 Fmoc-L-leucinol | 139551-83-0 Fmoc-L-leucinol|03198|139551-83-0 https://www.jk-sci.com/products/j5303149 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af2d24d964a55ea1134bf674fbc893f0.jpg?v=1776320736 Na-Benzoyl-L-tryptophan | 4302-66-3 Na-Benzoyl-L-tryptophan|03149|4302-66-3 https://www.jk-sci.com/products/a012288242 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0216eba9caacbcf74ce01708941c27e8.jpg?v=1784650127 S,S-Diphenylsulfoximine, 95% | 22731-83-5 S,S-Diphenylsulfoximine, 95%|2288242|22731-83-5 https://www.jk-sci.com/products/j5303200 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f995dc4db2c76130cd677c1717657d21.jpg?v=1776320895 Na-Boc-Ne-Z-L-lysinol | 82689-20-1 Na-Boc-Ne-Z-L-lysinol|03200|82689-20-1 https://www.jk-sci.com/products/j5303176 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac7f20c82187d4fa9ce1e7e5563d0cd9.jpg?v=1776320819 Fmoc-L-asparaginol | 260450-76-8 Fmoc-L-asparaginol|03176|260450-76-8 https://www.jk-sci.com/products/j5303168 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376d948a5b996138bc4a51d77c462f71.jpg?v=1776320796 L-Valine tert-butyl ester hydrochloride | 13518-40-6 L-Valine tert-butyl ester hydrochloride|03168|13518-40-6 https://www.jk-sci.com/products/s57c4x-107428 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4795ba973c5ff8b708f7fa48cab2db93.jpg?v=1776405966 Moxifloxacin Impurity 28 | 172426-88-9 Moxifloxacin Impurity 28|C4X-107428|172426-88-9 https://www.jk-sci.com/products/s57c4x-107494 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7933303-3179-42e8-b74d-d7dcf626812d.png?v=1774644403 Moxifloxacin Impurity 94 Moxifloxacin Impurity 94|C4X-107494 https://www.jk-sci.com/products/s57c4x-10745 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37d836ebbaf082888d0173df730ad385.jpg?v=1776405985 Moxifloxacin EP Impurity E Hydrobromide | 1292904-74-5 Moxifloxacin EP Impurity E Hydrobromide|C4X-10745|1292904-74-5 https://www.jk-sci.com/products/a01132947 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132947.png?v=1784644351 4,4'-Methylenebis(2,6-diethylaniline), 99% | 13680-35-8 4,4'-Methylenebis(2,6-diethylaniline), 99%|132947|13680-35-8 https://www.jk-sci.com/products/a01133506 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133506.png?v=1784644371 Tri[3,4-bis(trifluoromethyl)phenyl]phosphine, 97% | 175136-62-6 Tri[3,4-bis(trifluoromethyl)phenyl]phosphine, 97%|133506|175136-62-6 https://www.jk-sci.com/products/j5303185 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cb03ceef140104ef03e12ca8a7607d0.jpg?v=1776320851 Fmoc-L-glutaminol | 260450-77-9 Fmoc-L-glutaminol|03185|260450-77-9 https://www.jk-sci.com/products/j5303181 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/379e9ddbe8716974a2389170b30027c3.jpg?v=1776320836 S-benzyl-L-cysteinol | 85803-43-6 S-benzyl-L-cysteinol|03181|85803-43-6 https://www.jk-sci.com/products/j5303154 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a485de5eb1d7c86d64eab29c25ae9c3.jpg?v=1776320748 Benzoyl-L-tyrosine ethyl ester | 3483-82-7 Benzoyl-L-tyrosine ethyl ester|03154|3483-82-7 https://www.jk-sci.com/products/j5303178 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fff43b667b3e6fd09dd9e3d91d2d8ba.jpg?v=1776320827 S-4-methylbenzyl-L-cysteinol | 438237-83-3 S-4-methylbenzyl-L-cysteinol|03178|438237-83-3 https://www.jk-sci.com/products/j5303193 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8909ba7c6597a6a4f951074a691cf7df.jpg?v=1776320870 Fmoc-L-isoleucinol | 133565-46-5 Fmoc-L-isoleucinol|03193|133565-46-5 https://www.jk-sci.com/products/a012284012 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b14fcdf1b88b41b0acf19aeff1a631.jpg?v=1784650096 4-(2-Pyridyl)-3-butyn-1-ol, 97% | 395652-44-5 4-(2-Pyridyl)-3-butyn-1-ol, 97%|2284012|395652-44-5 https://www.jk-sci.com/products/j5303183 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd5ed892896e66e50647f3e20808d86d.jpg?v=1776320844 Boc-S-benzyl-L-cysteinol | 139428-96-9 Boc-S-benzyl-L-cysteinol|03183|139428-96-9 https://www.jk-sci.com/products/a012288243 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6020a25c919ec25709d3fe762e30b678.jpg?v=1784650131 S,S-dimethyl-N-p-tolylsulfonylsulfimine, 95% | 13150-75-9 S,S-dimethyl-N-p-tolylsulfonylsulfimine, 95%|2288243|13150-75-9 https://www.jk-sci.com/products/s57c4x-1076 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9832160c9ddce31814a1092183707941.jpg?v=1776406004 Tenofovir disoproxil | 202138-50-9 Tenofovir disoproxil|C4X-1076|202138-50-9 https://www.jk-sci.com/products/a01229971 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352835.png?v=1784650181 1-Phenylimidazole, 97% | 7164-98-9 1-Phenylimidazole, 97%|229971|7164-98-9 https://www.jk-sci.com/products/a01230306 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230306.png?v=1784650192 Isopropylboronic acid, 98% | 80041-89-0 Isopropylboronic acid, 98%|230306|80041-89-0 https://www.jk-sci.com/products/j5303203 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be869c8bc2aeda6e05a5abb1df99f740.jpg?v=1776320904 Na-Fmoc-Ne-Boc-L-lysinol | 198561-38-5 Na-Fmoc-Ne-Boc-L-lysinol|03203|198561-38-5 https://www.jk-sci.com/products/j5303220 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17c233c11293eb12cc696222a0aefa43.jpg?v=1776320963 Boc-O-benzyl-L-serinol | 79069-15-1 Boc-O-benzyl-L-serinol|03220|79069-15-1 https://www.jk-sci.com/products/j5303206 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7d9a5c10c339e7eb07d3c68f5355039.jpg?v=1776320913 Boc-L-methioninol | 51372-93-1 Boc-L-methioninol|03206|51372-93-1 https://www.jk-sci.com/products/s57c4x-107627 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326138_5a880940-87e8-49fe-b95a-78f14f86ccdb.png?v=1774717008 Tenofovir disoproxil Impurity 27 | 2491-20-5 Tenofovir disoproxil Impurity 27|C4X-107627|2491-20-5 https://www.jk-sci.com/products/j5303223 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66514e8463b0214a8ba65034bda9f9cf.jpg?v=1776320972 O-Benzyl-L-threoninol | 160841-03-2 O-Benzyl-L-threoninol|03223|160841-03-2 https://www.jk-sci.com/products/j5303226 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ceb8085dabdfa3d91f06ee714f349559.jpg?v=1776320982 Fmoc-O-tert-butyl-L-threoninol | 189337-28-8 Fmoc-O-tert-butyl-L-threoninol|03226|189337-28-8 https://www.jk-sci.com/products/j5303231 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1bf229ec88983ad7fa1af35839e6e70.jpg?v=1776320997 Tyrosinol(benzyl) | 85803-44-7 Tyrosinol(benzyl)|03231|85803-44-7 https://www.jk-sci.com/products/j5303247 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3faa0e885456e1a0912a485cb8643015.jpg?v=1776321036 4-(4-Hydroxymethyl-3-methoxyphenoxy)-butyric acid | 136849-75-7 4-(4-Hydroxymethyl-3-methoxyphenoxy)-butyric acid|03247|136849-75-7 https://www.jk-sci.com/products/j5303235 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3f95ee08c7dbfe2d3037818a85af4a7.jpg?v=1776321007 Fmoc-O-tert-butyl-L-tyrosinol | 187526-99-4 Fmoc-O-tert-butyl-L-tyrosinol|03235|187526-99-4 https://www.jk-sci.com/products/s57c4x-107635 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e195d8cbec105231439c64e3f61adea.jpg?v=1776406034 Tenofovir Disoproxil Impurity 35 | 14047-27-9 Tenofovir Disoproxil Impurity 35|C4X-107635|14047-27-9 https://www.jk-sci.com/products/j5303263 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2240004cfa1ce89464f909d3756cbbc6.jpg?v=1776321056 Acetyl-L-threonine methyl ester | 2458-78-8 Acetyl-L-threonine methyl ester|03263|2458-78-8 https://www.jk-sci.com/products/s57c4x-107640 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462785_a16884e1-2d91-431b-9c2a-1524b8e536df.png?v=1775135121 Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F) | 68-94-0 Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F)|C4X-107640|68-94-0 https://www.jk-sci.com/products/j5303295 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1bb934928d55fe974ddfa45693ee345.jpg?v=1776321100 S-(2-Aminoethyl-L-cysteine hydrochloride | 4099-35-8 S-(2-Aminoethyl-L-cysteine hydrochloride|03295|4099-35-8 https://www.jk-sci.com/products/j5303273 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4301f79fa6afb1335d32151d2c0fe62f.jpg?v=1776321077 Ala-Ala-OH | 1948-31-8 Ala-Ala-OH|03273|1948-31-8 https://www.jk-sci.com/products/s57c4x-107648 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29bb92e5a79f13583c58f5a57905cc2_18d9801f-7828-4dc6-a2c6-fd93289789b4.jpg?v=1776406041 D-Alanine Isopropyl Ester HCl | 39613-92-8 D-Alanine Isopropyl Ester HCl|C4X-107648|39613-92-8 https://www.jk-sci.com/products/j5303298 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdb801974aa16409f7d503404cc319bf.jpg?v=1776321108 L-Arginine amide dihydrochloride | 14975-30-5 L-Arginine amide dihydrochloride|03298|14975-30-5 https://www.jk-sci.com/products/j5303306 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fd2f90b43c413ec448a9cfe45ca04b3.jpg?v=1776321121 D-Aspartic acid b tert-butyl ester | 64960-75-4 D-Aspartic acid b tert-butyl ester|03306|64960-75-4 https://www.jk-sci.com/products/j5302182 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52e953ba85adb878dea6b55ad58cdbe2.jpg?v=1776318506 Z-Gly-Pro-OH | 1160-54-9 Z-Gly-Pro-OH|02182|1160-54-9 https://www.jk-sci.com/products/s57c4x-107651 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5302504 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353a4886728f6cb7129be8b0e1cc6fd0.jpg?v=1776319291 Boc-L-proline 4-oxymethylphenylacetamidomethyl resin Boc-L-proline 4-oxymethylphenylacetamidomethyl resin|02504 https://www.jk-sci.com/products/j5302628 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/665a631236e342d42984f78b7b80280b.jpg?v=1776319604 Acetyl-L-phenylalanine amide | 7376-90-1 Acetyl-L-phenylalanine amide|02628|7376-90-1 https://www.jk-sci.com/products/j5302749 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235fc0c20a9f4db6de410bc8c5a9900c.jpg?v=1776319965 Na-Boc-D-asparagine Merrifield resin (0.1 - 0.5 meq/g, 100 - 200 mesh) Na-Boc-D-asparagine Merrifield resin (0.1 - 0.5 meq/g, 100 - 200 mesh)|02749 https://www.jk-sci.com/products/a01231173 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231173.png?v=1784650212 3-Indoleacrylic acid, 98% | 1204-06-4 3-Indoleacrylic acid, 98%|231173|1204-06-4 https://www.jk-sci.com/products/j5302694 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a827e6efa0076b6a1894379421784d.jpg?v=1776319827 L-Aspartic acid a-benzyl ester | 7362-93-8 L-Aspartic acid a-benzyl ester|02694|7362-93-8 https://www.jk-sci.com/products/a01231584 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231584.png?v=1784650228 2-(Benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 98% | 519054-55-8 2-(Benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 98%|231584|519054-55-8 https://www.jk-sci.com/products/j5302761 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02a3c933c4eed85fcbc5c7a983c2619f.jpg?v=1776320003 Na-Boc-D-glutamine Merrifield resin (0.25 - 0.7 meq/g, 100 - 200 mesh) Na-Boc-D-glutamine Merrifield resin (0.25 - 0.7 meq/g, 100 - 200 mesh)|02761 https://www.jk-sci.com/products/j5302788 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439d28dfc3e092fed7ecee35f79c8b5a.jpg?v=1776320086 Boc-D-valine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh) Boc-D-valine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh)|02788 https://www.jk-sci.com/products/j5302902 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/020f3329fe4512ac0eb0fa83c01ab1f1.jpg?v=1776320271 Boc-O-benzyl-D-threonine | 69355-99-3 Boc-O-benzyl-D-threonine|02902|69355-99-3 https://www.jk-sci.com/products/s57c4x-10767 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c44bbb2e73bc55b8991ef01d531f17c.jpg?v=1776406059 Tenofovir disoproxil Impurity 7 | 1422284-17-0 Tenofovir disoproxil Impurity 7|C4X-10767|1422284-17-0 https://www.jk-sci.com/products/a01231723 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231723.png?v=1784650239 2-Methylindole-3-carboxaldehyde, 97% | 5416-80-8 2-Methylindole-3-carboxaldehyde, 97%|231723|5416-80-8 https://www.jk-sci.com/products/j5303088 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d93465842c4489d0ea07541c243a834.jpg?v=1776320531 D-Leucine amide hydrochloride | 80970-09-8 D-Leucine amide hydrochloride|03088|80970-09-8 https://www.jk-sci.com/products/j5303102 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aec4b71c8669a6128c9010b6ab19ec0.jpg?v=1776320581 Na-Benzoyl-L-lysine methyl ester hydrochloride | 14280-01-4 Na-Benzoyl-L-lysine methyl ester hydrochloride|03102|14280-01-4 https://www.jk-sci.com/products/a012323907 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1eab6720022b1b93a994534a77196ce.jpg?v=1784650285 2,3,4,5-Tetrafluorophenol, 97% | 3467-85-4 2,3,4,5-Tetrafluorophenol, 97%|2323907|3467-85-4 https://www.jk-sci.com/products/a012323084 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e502331fabfb2b3d99396537102a8832.jpg?v=1784650273 2,3-Dimethoxypyrazine, 97% | 68468-30-4 2,3-Dimethoxypyrazine, 97%|2323084|68468-30-4 https://www.jk-sci.com/products/a01232482 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232482.png?v=1784650296 3,3,5-Trimethylcyclohexyl salicylate, 98%, mixture of cis and trans | 118-56-9 3,3,5-Trimethylcyclohexyl salicylate, 98%, mixture of cis and trans|232482|118-56-9 https://www.jk-sci.com/products/j5303120 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1bf5e4608bcec333f1a78ead7521cfa.jpg?v=1776320638 L-Phenylalanine ethyl ester hydrochloride | 3182-93-2 L-Phenylalanine ethyl ester hydrochloride|03120|3182-93-2 https://www.jk-sci.com/products/j5303180 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/926958322b1577f795e5cc8a3c9c1990.jpg?v=1776320834 Boc-S-4-methylbenzyl-D-cysteinol Boc-S-4-methylbenzyl-D-cysteinol|03180 https://www.jk-sci.com/products/j5303150 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d07450991b3f14e62cea670fff8257.jpg?v=1776320738 L-Tryptophan amide hydrochloride | 5022-65-1 L-Tryptophan amide hydrochloride|03150|5022-65-1 https://www.jk-sci.com/products/j5303175 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c686441e28958aaf2fb3d3f31dfda787.jpg?v=1776320816 Na-Fmoc-Ng-tert-butyl-L-asparaginol | 133565-45-4 Na-Fmoc-Ng-tert-butyl-L-asparaginol|03175|133565-45-4 https://www.jk-sci.com/products/a01232493 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597192.png?v=1784650295 3-Nitrophenylboronic acid, 97.5% | 13331-27-6 3-Nitrophenylboronic acid, 97.5%|232493|13331-27-6 https://www.jk-sci.com/products/a012328009 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ece7843629bfe7c5238552a943dcb00b.jpg?v=1784650342 Ticagrelor impurity-10, 95% | 1616703-93-5 Ticagrelor impurity-10, 95%|2328009|1616703-93-5 https://www.jk-sci.com/products/j5303184 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/921f7dd05f23d09e15b509bcce883ed9.jpg?v=1776320848 Boc-S-benzyl-D-cysteinol | 198470-16-5 Boc-S-benzyl-D-cysteinol|03184|198470-16-5 https://www.jk-sci.com/products/a012332178 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b0076b4443e739e58489898786025ab.jpg?v=1784650377 5,5-Difluoro-2,8-diiodo-1,3,7,9,10-pentamethyl-5H-4l4,5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine, 97% | 1031443-55-6 5,5-Difluoro-2,8-diiodo-1,3,7,9,10-pentamethyl-5H-4l4,5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine, 97%|2332178|1031443-55-6 https://www.jk-sci.com/products/a01232908 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339120.png?v=1784650345 1-Acetylpiperazine, 99% | 13889-98-0 1-Acetylpiperazine, 99%|232908|13889-98-0 https://www.jk-sci.com/products/j5300644 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1520df78382d5f66a94f0462c5be108f.jpg?v=1776315865 Coenzyme A hydrate | 85-61-0 Coenzyme A hydrate|00644|85-61-0 https://www.jk-sci.com/products/s57c4x-10771 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/628064_48bbb3c4-c526-47db-8ca7-cef0e824eecf.png?v=1774966782 Entecavir | 142217-69-4 Entecavir|C4X-10771|142217-69-4 https://www.jk-sci.com/products/s57c4x-107696 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258734.png?v=1774638880 Tenofovir disoproxil Impurity 96 | 35180-01-9 Tenofovir disoproxil Impurity 96|C4X-107696|35180-01-9 https://www.jk-sci.com/products/j5303197 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5b3e78b4beab16d252012873d2290f0.jpg?v=1776320884 Boc-D-leucinol | 106930-51-2 Boc-D-leucinol|03197|106930-51-2 https://www.jk-sci.com/products/j5303202 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6a504eef1168128bd3d6235d6181f95.jpg?v=1776320901 Na-Boc-Ne-2-chloro-Z-L-lysinol | 198476-84-5 Na-Boc-Ne-2-chloro-Z-L-lysinol|03202|198476-84-5 https://www.jk-sci.com/products/s57c4x-107711 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5aa9c21fb1af8417e101b1b7dbc94fa6.jpg?v=1776406068 Entecavir EP Impurity D | 1367369-80-9 Entecavir EP Impurity D|C4X-107711|1367369-80-9 https://www.jk-sci.com/products/s57c4x-107715 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/972507.png?v=1775069210 Entecavir Impurity 15 | 142217-81-0 Entecavir Impurity 15|C4X-107715|142217-81-0 https://www.jk-sci.com/products/j5303218 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68ab655069188c6ceef664f7423e5e95.jpg?v=1776320955 Fmoc-L-prolinol | 148625-77-8 Fmoc-L-prolinol|03218|148625-77-8 https://www.jk-sci.com/products/j5303225 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08868f38105f0ef44e0fe2f6614f5a56.jpg?v=1776320979 Boc-O-benzyl-D-threoninol | 168034-31-9 Boc-O-benzyl-D-threoninol|03225|168034-31-9 https://www.jk-sci.com/products/j5303234 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362eeb2127b16e870814f4ceaf899252.jpg?v=1776321005 Boc-O-2,6-dichlorobenzyl-L-tyrosinol | 169393-62-8 Boc-O-2,6-dichlorobenzyl-L-tyrosinol|03234|169393-62-8 https://www.jk-sci.com/products/s57c4x-107721 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2eefcd5368ef4316932ddfd124728f03.jpg?v=1776406077 Entecavir EP Impurity C | 2204369-23-1 Entecavir EP Impurity C|C4X-107721|2204369-23-1 https://www.jk-sci.com/products/a012332251 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b2e22b4fd1f1f800ffdb7cd03ba8ea6.jpg?v=1784650446 4',4''',4''''',4'''''''-(21H,23H-Porphine-5,10,15,20-tetrayl)tetrakis[[1,1'-biphenyl]-4-carboxylic acid], 97% | 609365-68-6 4',4''',4''''',4'''''''-(21H,23H-Porphine-5,10,15,20-tetrayl)tetrakis[[1,1'-biphenyl]-4-carboxylic acid], 97%|2332251|609365-68-6 https://www.jk-sci.com/products/j5303260 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec5214c9f5c55943c0a9a9f27652b916.jpg?v=1776321046 Na-Acetyl-L-ornithine | 6205-08-9 Na-Acetyl-L-ornithine|03260|6205-08-9 https://www.jk-sci.com/products/j5303287 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6639a790fc268842d9c67a40e4e48b9.jpg?v=1776321087 Ala-Phe-OH | 3061-90-3 Ala-Phe-OH|03287|3061-90-3 https://www.jk-sci.com/products/a01233887 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233887.png?v=1784650481 4-Isopropylthiophenylboronic acid, 98% | 380427-38-3 4-Isopropylthiophenylboronic acid, 98%|233887|380427-38-3 https://www.jk-sci.com/products/j5303316 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9d5df3eed816e239d7af4afc64af24a.jpg?v=1776321141 O-tert-Butyl-L-threonine-tert-butyl ester | 5854-78-4 O-tert-Butyl-L-threonine-tert-butyl ester|03316|5854-78-4 https://www.jk-sci.com/products/s57c4x-107760 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890312_ab602e55-6c8a-483e-924b-a9f4c3879eee.png?v=1774725784 Entecavir Impurity 60 | 142217-77-4 Entecavir Impurity 60|C4X-107760|142217-77-4 https://www.jk-sci.com/products/a012350901 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/724925f47970f7e311385c7dd6370cf6.jpg?v=1784650550 2-Chloro-1-(2,7-dichloro-9H-fluoren-4-yl)ethanone, 98% | 131023-37-5 2-Chloro-1-(2,7-dichloro-9H-fluoren-4-yl)ethanone, 98%|2350901|131023-37-5 https://www.jk-sci.com/products/j5303304 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74737cced172304261ccaec780892424.jpg?v=1776321115 D-Aspartic acid b-benzyl ester | 13188-89-1 D-Aspartic acid b-benzyl ester|03304|13188-89-1 https://www.jk-sci.com/products/a01235065 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235065.png?v=1784650544 1-Adamantylthiourea, 95% | 25444-82-0 1-Adamantylthiourea, 95%|235065|25444-82-0 https://www.jk-sci.com/products/a01234002 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351371_b851a5be-1edd-432e-bf6f-d4452b5a4080.png?v=1784650487 2-Phenylpropionic acid, 98% | 492-37-5 2-Phenylpropionic acid, 98%|234002|492-37-5 https://www.jk-sci.com/products/a01234972 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234972.png?v=1784650529 10-Camphorsulfonic acid sodium salt, 99% | 34850-66-3 10-Camphorsulfonic acid sodium salt, 99%|234972|34850-66-3 https://www.jk-sci.com/products/a01234435 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234435_5d6d58db-94c9-400f-b389-6a8223954bc4.png?v=1784650508 H-GLY-GLY-PHE-OH, 98% | 6234-26-0 H-GLY-GLY-PHE-OH, 98%|234435|6234-26-0 https://www.jk-sci.com/products/j5303352 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10f68282ec359e5b83465b1bfebeb694.jpg?v=1776321181 Glycine benzyl ester hydrochloride | 2462-31-9 Glycine benzyl ester hydrochloride|03352|2462-31-9 https://www.jk-sci.com/products/s57c4x-107833 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f0b45931d8cd432b5f73930eb89cd73.jpg?v=1776406088 Pidotimod Impurity 33 | 29227-92-7 Pidotimod Impurity 33|C4X-107833|29227-92-7 https://www.jk-sci.com/products/j5303322 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c6f9970511d0ffefb35a42982609515.jpg?v=1776321156 4-Chloro-DL-phenylalanine methyl ester hydrochloride | 14173-40-1 4-Chloro-DL-phenylalanine methyl ester hydrochloride|03322|14173-40-1 https://www.jk-sci.com/products/j5303356 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7fb1f047a45b2951d59ac482b1d349.jpg?v=1776321187 Gly-Glu-OH | 7412-78-4 Gly-Glu-OH|03356|7412-78-4 https://www.jk-sci.com/products/j5303371 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e9ada4f1f4698b3dafb595cfca3f8bf.jpg?v=1776321208 L-Histidine amide dihydrochloride | 71666-95-0 L-Histidine amide dihydrochloride|03371|71666-95-0 https://www.jk-sci.com/products/j5303382 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea7759b7e7c96b75316dc1c699bf4124.jpg?v=1776321235 Leu-Gly-OH | 686-50-0 Leu-Gly-OH|03382|686-50-0 https://www.jk-sci.com/products/s57c4x-10791 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cba7f28025e60e4596d31bd9010484a.jpg?v=1776406093 Tofacitinib Impurity 1 | 1092578-46-5 Tofacitinib Impurity 1|C4X-10791|1092578-46-5 https://www.jk-sci.com/products/j5303408 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6c4997536eeb7ede212a2700c698c7.jpg?v=1776321269 L-Phenylalanine 4-nitroanilide | 2360-97-6 L-Phenylalanine 4-nitroanilide|03408|2360-97-6 https://www.jk-sci.com/products/a01235288 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522798.png?v=1784650556 p-Methyl terephthalate, 97% | 1679-64-7 p-Methyl terephthalate, 97%|235288|1679-64-7 https://www.jk-sci.com/products/j5326898 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/523c0495d4e8636e975a2027259da1ca.jpg?v=1776354287 b-Sitosterol | 83-46-5 b-Sitosterol|26898|83-46-5 https://www.jk-sci.com/products/j5303444 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93a25aad6b8ae7c174d83796113d1b44.jpg?v=1776321298 L-Valine benzyl ester hydrochloride | 2462-34-2 L-Valine benzyl ester hydrochloride|03444|2462-34-2 https://www.jk-sci.com/products/s57c4x-1079103 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b3ff1b48-5a64-4d03-93c4-44a152ec1068.png?v=1775154790 Tofacitinib Impurity 103 Tofacitinib Impurity 103|C4X-1079103 https://www.jk-sci.com/products/j5303457 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/810781f398f325e1203080bce6a10df3.jpg?v=1776321325 D-Aspartic acid b-tert-butyl 2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh) D-Aspartic acid b-tert-butyl 2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|03457 https://www.jk-sci.com/products/a01235365 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235365.png?v=1784650567 2-(Hexamethyleneimino)ethyl chloride hydrochloride, 98% | 26487-67-2 2-(Hexamethyleneimino)ethyl chloride hydrochloride, 98%|235365|26487-67-2 https://www.jk-sci.com/products/j5303452 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d56cd5a616cb0d0b5f4b193553619732.jpg?v=1776321315 Nw-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-D-arginine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - Nw-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-D-arginine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 -|03452 https://www.jk-sci.com/products/a01236090 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430606.png?v=1784650599 D-Glucose pentaacetate, 98%, Sum of α, β enantiomers | 3891-59-6 D-Glucose pentaacetate, 98%, Sum of α, β enantiomers|236090|3891-59-6 https://www.jk-sci.com/products/a01235595 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235595.png?v=1784650573 2,5-Dichloro-p-phenylenediamine, 98% | 20103-09-7 2,5-Dichloro-p-phenylenediamine, 98%|235595|20103-09-7 https://www.jk-sci.com/products/a01236199 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236199.png?v=1784650611 2-Propylimidazole, 98% | 50995-95-4 2-Propylimidazole, 98%|236199|50995-95-4 https://www.jk-sci.com/products/a01236928 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef7e6e3289535b5f69a579dbc7413bab.jpg?v=1784650634 2,4-Dichloropyridine, 98% | 26452-80-2 2,4-Dichloropyridine, 98%|236928|26452-80-2 https://www.jk-sci.com/products/j5303472 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/982d2343ceacce190302da2255ef2640.jpg?v=1776321347 L-Isoleucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh) L-Isoleucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh)|03472 https://www.jk-sci.com/products/a01236111 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236111.png?v=1784650601 2-(2-Chlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97% | 870195-94-1 2-(2-Chlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97%|236111|870195-94-1 https://www.jk-sci.com/products/j5303490 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eaf288db072721832cc17fdb749eb9e.jpg?v=1776321375 L-Tryptophan-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh) L-Tryptophan-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|03490 https://www.jk-sci.com/products/j5303530 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1efe818b457fa8fb6310141964152d9d.jpg?v=1776321419 Na,im-Bis-Fmoc-L-histidine | 98929-98-7 Na,im-Bis-Fmoc-L-histidine|03530|98929-98-7 https://www.jk-sci.com/products/j5303459 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9113b559fbd1fb26d34f126b3de2cebd.jpg?v=1776321334 S-Trityl-D-cysteine-2-chlorotrityl resin (0.3 - 0.8 meq/g, 200 - 400 mesh) S-Trityl-D-cysteine-2-chlorotrityl resin (0.3 - 0.8 meq/g, 200 - 400 mesh)|03459 https://www.jk-sci.com/products/s57c4x-107913 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5303558 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a51fd0be0b8def7ed866bc2d67532c00.jpg?v=1776321476 5-Bromo-4-chloro-3-indolyl butyrate | 129541-43-1 5-Bromo-4-chloro-3-indolyl butyrate|03558|129541-43-1 https://www.jk-sci.com/products/a01238578 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238578.png?v=1784650687 Hydroquinonesulfonic acid potassium salt, 98% | 21799-87-1 Hydroquinonesulfonic acid potassium salt, 98%|238578|21799-87-1 https://www.jk-sci.com/products/j5303570 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb18c6a38c1cf1df7d0c972d9116e9e3.jpg?v=1784619550 5'-O-(4,4'-dimethoxytrityl)-2'-deoxyguanosine | 81144-43-6 5'-O-(4,4'-dimethoxytrityl)-2'-deoxyguanosine|03570|81144-43-6 https://www.jk-sci.com/products/a01239057 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239057.png?v=1784650715 1-Bromo-3,5-diiodobenzene, 98% | 149428-64-8 1-Bromo-3,5-diiodobenzene, 98%|239057|149428-64-8 https://www.jk-sci.com/products/j5303617 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3aaadd132bfd2cda4f06ac0ecba7896c.jpg?v=1776321529 Fmoc-O-allyl-L-tyrosine | 146982-30-1 Fmoc-O-allyl-L-tyrosine|03617|146982-30-1 https://www.jk-sci.com/products/s57c4x-107916 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7158b39154d0f7617e2b17f23f850b87.jpg?v=1776406114 Tofacitinib Impurity 16 | 2328165-36-0 Tofacitinib Impurity 16|C4X-107916|2328165-36-0 https://www.jk-sci.com/products/j5303667 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88ea189e5b7d12e84df38f994934722e.jpg?v=1776321551 DMT-C(N-bz) 2'OMe | 110764-74-4 DMT-C(N-bz) 2'OMe|03667|110764-74-4 https://www.jk-sci.com/products/s57c4x-1079167 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/s57c4x-1079182 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8619c9d01fbe4c44d35428d13d32bc40.jpg?v=1776406122 Tofacitinib Impurity 182 | 1053228-28-6 Tofacitinib Impurity 182|C4X-1079182|1053228-28-6 https://www.jk-sci.com/products/j5303676 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da50975af7d8daf26fbe0d7f18262657.jpg?v=1776321575 Boc-Ser(Bzl)-OSu | 13650-73-2 Boc-Ser(Bzl)-OSu|03676|13650-73-2 https://www.jk-sci.com/products/ts246cs-0095470 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34928ad5a9f1992062b354818f17d669.jpg?v=1776467364 (S)-3-(((Benzyloxy)carbonyl)amino)-4-methylpentanoic acid | 245323-45-9 (S)-3-(((Benzyloxy)carbonyl)amino)-4-methylpentanoic acid|CS-0095470|245323-45-9 https://www.jk-sci.com/products/a01239282 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239282.png?v=1784650731 2-Iodo-m-xylene, 98% | 608-28-6 2-Iodo-m-xylene, 98%|239282|608-28-6 https://www.jk-sci.com/products/a01941440 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534589.png?v=1776306020 3-(Bromoacetyl)pyridine hydrobromide, 97% | 17694-68-7 3-(Bromoacetyl)pyridine hydrobromide, 97%|941440|17694-68-7 https://www.jk-sci.com/products/a019416886 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69c40a9c1c423e0af1e0734c8ac53878.jpg?v=1776306088 1,3-Bis(3,4,5-trimethoxyphenyl)urea, 97% | 1055-79-4 1,3-Bis(3,4,5-trimethoxyphenyl)urea, 97%|9416886|1055-79-4 https://www.jk-sci.com/products/a019416893 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd967694-0b28-4b80-a4eb-32c3d57d2d89.png?v=1776306099 (E)1-(2-Hydroxyphenyl)-3-(4-hydroxyphenyl) propan-2-en-1-one, 97% | 34000-31-2 (E)1-(2-Hydroxyphenyl)-3-(4-hydroxyphenyl) propan-2-en-1-one, 97%|9416893|34000-31-2 https://www.jk-sci.com/products/j5303731 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374e4c2d1e130aee7f1f356ceebbc766.jpg?v=1776321704 Na-Fmoc-Nd-methyltrityl-D-Ornithine | 198545-20-9 Na-Fmoc-Nd-methyltrityl-D-Ornithine|03731|198545-20-9 https://www.jk-sci.com/products/j5303702 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2635190a26021672f2660c14d659ea59.jpg?v=1776321620 Na-Fmoc-Nb-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-2,3-diaminopropionic acid | 247127-51-1 Na-Fmoc-Nb-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-2,3-diaminopropionic acid|03702|247127-51-1 https://www.jk-sci.com/products/j5303687 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc6cfc9597251d25717be1cd4a5ca53.jpg?v=1776321597 (3S)-1,2,3,4-Tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid dihydrate | 128502-56-7 (3S)-1,2,3,4-Tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid dihydrate|03687|128502-56-7 https://www.jk-sci.com/products/j5303736 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddfa22e0b37d6ec4b456a76c55aaec20.jpg?v=1776321721 Fmoc-O-tert-butyl-L-serine N-hydroxysuccinimide ester | 158000-21-6 Fmoc-O-tert-butyl-L-serine N-hydroxysuccinimide ester|03736|158000-21-6 https://www.jk-sci.com/products/a019417472 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9ef39974cc85ab89a76d01a3a628a4c.jpg?v=1776306108 9-[[(S)-1-[(2S,4R)-4-Hydroxy-2-[[4-(4-methyl-5-thiazolyl)benzyl]carbamoyl]-1-pyrrolidinyl]-3,3-dimethyl-1-oxo-2-butyl]amino]-9-oxononanoic acid, 95% | 2172819-76-8 9-[[(S)-1-[(2S,4R)-4-Hydroxy-2-[[4-(4-methyl-5-thiazolyl)benzyl]carbamoyl]-1-pyrrolidinyl]-3,3-dimethyl-1-oxo-2-butyl]amino]-9-oxononanoic acid, 95%|9417472|2172819-76-8 https://www.jk-sci.com/products/j5302669 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1e98fda2ea5ef4961d44f33e4502e6f.jpg?v=1776319743 Na-Z-Na-Methyl-L-phenylalanine dicyclohexylammonium salt | 2899-08-3 Na-Z-Na-Methyl-L-phenylalanine dicyclohexylammonium salt|02669|2899-08-3 https://www.jk-sci.com/products/s57c4x-107927 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f79fa9f167eb91feb222ebc97779239b.jpg?v=1776406139 Tofacitinib Impurity 27 | 2028267-73-2 Tofacitinib Impurity 27|C4X-107927|2028267-73-2 https://www.jk-sci.com/products/j5302337 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a35aaf0428e7339408add244ab25322.jpg?v=1776318876 2-Nitrobenzoic acid | 552-16-9 2-Nitrobenzoic acid|02337|552-16-9 https://www.jk-sci.com/products/j5302756 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af7d719c5a7bd24e021539bc512710c7.jpg?v=1776319985 Boc-S-4-methylbenzyl-D-cysteine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh) Boc-S-4-methylbenzyl-D-cysteine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh)|02756 https://www.jk-sci.com/products/j5302868 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea0994151e914dc5c255b7fd32a28a8a.jpg?v=1776320187 Menadione | 58-27-5 Menadione|02868|58-27-5 https://www.jk-sci.com/products/j5303097 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c31db4cafdc7498214ea0e1786a5fbd.jpg?v=1776320561 Ne-Boc-D-lysine | 31202-69-4 Ne-Boc-D-lysine|03097|31202-69-4 https://www.jk-sci.com/products/a01941771 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470187_9051a0be-5f62-4f42-a688-25cbf095a34c.png?v=1776306111 1-Indanone, 99% | 83-33-0 1-Indanone, 99%|941771|83-33-0 https://www.jk-sci.com/products/s57c4x-107933 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289f199463837386070b11cd51182e31.jpg?v=1776406150 Tofacitinib Impurity 33 | 1640971-60-3 Tofacitinib Impurity 33|C4X-107933|1640971-60-3 https://www.jk-sci.com/products/j5303138 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455450031523a63c1e3e52f3a604b7c0.jpg?v=1776320702 O-tert-Butyl-D-serine | 18783-53-4 O-tert-Butyl-D-serine|03138|18783-53-4 https://www.jk-sci.com/products/a01941790 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/802120.png?v=1776306117 3,6-Dibromothieno[3,2-b]thiophene, 98% | 392662-65-6 3,6-Dibromothieno[3,2-b]thiophene, 98%|941790|392662-65-6 https://www.jk-sci.com/products/j5303205 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e0d4c84f4975d24d895c495ab466f9a.jpg?v=1776320910 D-Methioninol | 87206-44-8 D-Methioninol|03205|87206-44-8 https://www.jk-sci.com/products/j5303186 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/929cc5084c275870a31e2dd3802b331c.jpg?v=1776320854 Fmoc-g-tert-butyl ester-L-glutamol | 153815-59-9 Fmoc-g-tert-butyl ester-L-glutamol|03186|153815-59-9 https://www.jk-sci.com/products/j5303177 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10acae86a124cb1cb7203a835a296731.jpg?v=1776320823 Na-Fmoc-Ng-trityl-L-asparaginol | 161529-14-2 Na-Fmoc-Ng-trityl-L-asparaginol|03177|161529-14-2 https://www.jk-sci.com/products/j5303271 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6309c8e411ac1bf7a90778d89ddbc567.jpg?v=1776321074 L-Alanine 4-methoxy-b-naphthylamide hydrochloride | 3438-14-0 L-Alanine 4-methoxy-b-naphthylamide hydrochloride|03271|3438-14-0 https://www.jk-sci.com/products/j5303230 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701407983a8271b1f74a815168ccf6ef.jpg?v=1776320994 Fmoc-L-tryptophanol | 153815-60-2 Fmoc-L-tryptophanol|03230|153815-60-2 https://www.jk-sci.com/products/j5303315 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a4c18b494b559ed2e019f7ca815949e.jpg?v=1776321136 O-tert-Butyl-D-threonine | 201274-81-9 O-tert-Butyl-D-threonine|03315|201274-81-9 https://www.jk-sci.com/products/j5303329 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9339a1d8f8db860ac163d052f047d74c.jpg?v=1776321160 Diazoacetyl-DL-norleucine methyl ester | 7013-09-4 Diazoacetyl-DL-norleucine methyl ester|03329|7013-09-4 https://www.jk-sci.com/products/j5303367 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53311cb2cd0ab46ee98de5a7ea0e194a.jpg?v=1776321200 Gly-Ser-OH | 7361-43-5 Gly-Ser-OH|03367|7361-43-5 https://www.jk-sci.com/products/j5303406 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36a58e006202ea65456345c131fa2f1b.jpg?v=1776321265 D-Norvaline | 2013-12-9 D-Norvaline|03406|2013-12-9 https://www.jk-sci.com/products/a01941940 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281551.png?v=1776306199 1,4-Dioxane, 99.9%, SuperDry, water≤5 ppm, J&Kseal , | 123-91-1 1,4-Dioxane, 99.9%, 超干溶剂, water≤5 ppm, J&Kseal瓶, 添加BHT稳定剂 |941940|123-91-1 https://www.jk-sci.com/products/s57c4x-10796 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfe87a4d52c5ce00d1de60430b0fc596.jpg?v=1776406162 Tofacitinib Impurity 6 | 477600-74-1 Tofacitinib Impurity 6|C4X-10796|477600-74-1 https://www.jk-sci.com/products/a01941981 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455384_7dbc1207-21f3-4a04-9664-e03945ff4b6e.png?v=1776306205 Nonaethylene Glycol Monomethyl Ether, 90% | 6048-68-6 Nonaethylene Glycol Monomethyl Ether, 90%|941981|6048-68-6 https://www.jk-sci.com/products/s57c4x-107952 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a019426119 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b122c0ddbadf25ef9890b301b8d89b8.jpg?v=1776306317 [S(R)]-N-[(S)-(2-Methylphenyl)[2-(diphenylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% | 2943222-91-9 [S(R)]-N-[(S)-(2-Methylphenyl)[2-(diphenylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9426119|2943222-91-9 https://www.jk-sci.com/products/a01942364 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134271.png?v=1776306264 Methyl 3,5-dibromo-4-methylbenzoate, 97% | 74896-66-5 Methyl 3,5-dibromo-4-methylbenzoate, 97%|942364|74896-66-5 https://www.jk-sci.com/products/j5303458 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b98a354bd2209ffad2402b8d5de4df5e.jpg?v=1776321330 S-Trityl-L-cysteine-2-chlorotrityl resin (0.3 - 1.1 meq/g, 200 - 400 mesh) S-Trityl-L-cysteine-2-chlorotrityl resin (0.3 - 1.1 meq/g, 200 - 400 mesh)|03458 https://www.jk-sci.com/products/j5303474 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d8deae16d65a808184cf9372c3d0da.jpg?v=1776321350 L-Leucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh) L-Leucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh)|03474 https://www.jk-sci.com/products/j5303447 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f93e2a63c4507cba3ee08224dc581cb8.jpg?v=1776321305 6-((+)-Biotinamidohexanoylamino)hexanoic acid N-hydroxysuccinimide ester | 89889-52-1 6-((+)-Biotinamidohexanoylamino)hexanoic acid N-hydroxysuccinimide ester|03447|89889-52-1 https://www.jk-sci.com/products/s57c4x-107984 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e5506b3ad4fe0d06c8e4ad4561bc260.jpg?v=1776406173 Tofacitinib Impurity 84 | 1675248-18-6 Tofacitinib Impurity 84|C4X-107984|1675248-18-6 https://www.jk-sci.com/products/j5303538 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccb9fb193cd24935a1d7c324687af129.jpg?v=1776321442 Rink amide AM resin (with Nle) Rink amide AM resin (with Nle)|03538 https://www.jk-sci.com/products/a019426121 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5a03927-dcb8-43ad-9794-368805f64de5.png?v=1776306323 [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426121 https://www.jk-sci.com/products/a019426120 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/faec1c6207a2bb2dabd0bfbfc66405bc.jpg?v=1776306319 [S(R)]-N-[(R)-(3,5-Dimethylphenyl)[2-(diphenylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% | 2835567-41-2 [S(R)]-N-[(R)-(3,5-Dimethylphenyl)[2-(diphenylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426120|2835567-41-2 https://www.jk-sci.com/products/j5303614 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1371de192700492564e177c331f5681d.jpg?v=1776321517 Na-Fmoc-Nd-2,4,6-trimethoxybenzyl-L-glutamine | 120658-64-2 Na-Fmoc-Nd-2,4,6-trimethoxybenzyl-L-glutamine|03614|120658-64-2 https://www.jk-sci.com/products/s57c4x-108010 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5303668 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42f3741d77e780db25ce4a760fcc047a.jpg?v=1776321555 1,2-Dimethoxyethane, anhydrous | 110-71-4 1,2-Dimethoxyethane, anhydrous|03668|110-71-4 https://www.jk-sci.com/products/j5303709 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f8bafe34016145c131c7eb8b3d9d092.jpg?v=1776321638 Fmoc-2-aminoethylbromide | 340187-12-4 Fmoc-2-aminoethylbromide|03709|340187-12-4 https://www.jk-sci.com/products/j5303684 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11178803cbefbea5e8e4a988923a7ef7.jpg?v=1776321594 Boc-b-(2-thienyl)-D-alanine dicyclohexylammonium salt | 78452-59-2 Boc-b-(2-thienyl)-D-alanine dicyclohexylammonium salt|03684|78452-59-2 https://www.jk-sci.com/products/j5303742 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71433852e2cda85876701d047f2b21a8.jpg?v=1776321741 Fmoc-O-benzylphospho-L-threonine | 175291-56-2 Fmoc-O-benzylphospho-L-threonine|03742|175291-56-2 https://www.jk-sci.com/products/a019426122 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_94e82ce6-df9b-4e6a-817c-d210b49cc5b9.png?v=1776306326 [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426122 https://www.jk-sci.com/products/j5303760 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/770c69bb7f564cea12592cf4933e25d0.jpg?v=1776321777 Fmoc-3-(2'-quinolyl)-D-alanine | 214852-58-1 Fmoc-3-(2'-quinolyl)-D-alanine|03760|214852-58-1 https://www.jk-sci.com/products/s57c4x-108016 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411853_3b4fc93d-288c-401c-acfa-a4248214d978.png?v=1774642216 EtoricoxiB impurity 16 | 90536-66-6 EtoricoxiB impurity 16|C4X-108016|90536-66-6 https://www.jk-sci.com/products/j5303770 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275769c28b6827072de0785e3abbb73a.jpg?v=1776321803 Fmoc-S-3-nitro-2-pyridine-sulfenyl-L-cysteine | 159700-51-3 Fmoc-S-3-nitro-2-pyridine-sulfenyl-L-cysteine|03770|159700-51-3 https://www.jk-sci.com/products/j5303788 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1698dc5a7f1ba2c264cffead272332e.jpg?v=1776321861 Boc-L-glutamic acid g-tert-butyl ester a-N-hydroxysuccinimide ester | 32886-55-8 Boc-L-glutamic acid g-tert-butyl ester a-N-hydroxysuccinimide ester|03788|32886-55-8 https://www.jk-sci.com/products/j5303798 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1fd47809faf919c643e2f2879cfaee.jpg?v=1776321881 Boc-D-homocitrulline | 121080-97-5 Boc-D-homocitrulline|03798|121080-97-5 https://www.jk-sci.com/products/j5303807 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46595f4375a05a143c99535c62d24a3a.jpg?v=1776321907 Boc-L-phenylalanine 4-nitrophenyl ester | 7535-56-0 Boc-L-phenylalanine 4-nitrophenyl ester|03807|7535-56-0 https://www.jk-sci.com/products/j5303810 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca76a0d82501d3704354dd46e2711ea6.jpg?v=1776321916 Boc-L-proline 4-nitrophenyl ester | 28310-65-8 Boc-L-proline 4-nitrophenyl ester|03810|28310-65-8 https://www.jk-sci.com/products/j5303815 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d34c557c2391bcc4a7d7e3c554c43fa.jpg?v=1776321931 Na-Boc-L-tryptophan 4-nitrophenyl ester | 15160-31-3 Na-Boc-L-tryptophan 4-nitrophenyl ester|03815|15160-31-3 https://www.jk-sci.com/products/a019426123 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_89864408-3c30-4048-9d2a-b54e0df9dac9.png?v=1776306329 [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426123 https://www.jk-sci.com/products/a019426125 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_52607c03-5597-4bb0-b614-e83f4abe111b.png?v=1776306334 [S(R)]-N-[(S)-[2-(Diphenylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diphenylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426125 https://www.jk-sci.com/products/a019426126 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fa4531a7-63a7-48e1-8903-c92fe5020f69.png?v=1776306337 [S(R)]-N-[(R)-[2-(Diphenylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426126 https://www.jk-sci.com/products/a019426124 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b3dd61ac-cc2b-45cb-8dba-5c34a5cf6030.png?v=1776306331 [S(R)]-N-[(R)-[2-(Diphenylphosphino)phenyl]-(1,1'-biphenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)phenyl]-(1,1'-biphenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426124 https://www.jk-sci.com/products/s57c4x-108032 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31adb865887904cd6b36b84a1f02b0ef.jpg?v=1776406192 Etoricoxib Impurity 32 | 1421227-97-5 Etoricoxib Impurity 32|C4X-108032|1421227-97-5 https://www.jk-sci.com/products/j5303834 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f182a062386833390634040f08264007.jpg?v=1776321979 Na-Z-Nw-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-arginine cyclohexylammonium salt | 112160-33-5 Na-Z-Nw-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-arginine cyclohexylammonium salt|03834|112160-33-5 https://www.jk-sci.com/products/s57c4x-108037 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/592481.png?v=1775060430 Etoricoxib Impurity 37 | 38746-92-8 Etoricoxib Impurity 37|C4X-108037|38746-92-8 https://www.jk-sci.com/products/j5303840 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b817535c7fe04ab93976f4b5a7193d3f.jpg?v=1776321997 Na-Z-Ng-trityl-L-asparagine | 132388-57-9 Na-Z-Ng-trityl-L-asparagine|03840|132388-57-9 https://www.jk-sci.com/products/j5303847 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e07ee36ebd7977f8ea3b02e071c30fa6.jpg?v=1776322022 Z-glycine amide | 949-90-6 Z-glycine amide|03847|949-90-6 https://www.jk-sci.com/products/s57c4x-10805 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8865161bb13573f892f7514a59cfd0ff.jpg?v=1776406203 Etoricoxib Impurity 5(hexafluorophosphate) | 291756-76-8 Etoricoxib Impurity 5(hexafluorophosphate)|C4X-10805|291756-76-8 https://www.jk-sci.com/products/a019426129 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d9f2e924-fddb-4e5b-bf92-1c3683c9a034.png?v=1776306346 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426129 https://www.jk-sci.com/products/a019426127 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_571c8b5d-afc3-4194-916f-20d6c88feb0c.png?v=1776306341 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide, 95%|9426127 https://www.jk-sci.com/products/s57c4x-10808 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4db0fffb58e0d8779455482c05aa655.jpg?v=1776406208 Etoricoxib Impurity 8 | 646459-39-4 Etoricoxib Impurity 8|C4X-10808|646459-39-4 https://www.jk-sci.com/products/j5303851 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd534e1d03fcc92069ec7143639a030.jpg?v=1776322036 Z-L-leucine dicyclohexylammonium salt | 53363-87-4 Z-L-leucine dicyclohexylammonium salt|03851|53363-87-4 https://www.jk-sci.com/products/a019426128 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9431933b-953e-48a2-b151-41d0ee7c71bd.png?v=1776306343 [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl]-1-naphthalenylmethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426128 https://www.jk-sci.com/products/j5303856 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84453353246e1e61f7ce031f5667e4d5.jpg?v=1776322050 Z-L-proline N-hydroxysuccinimide ester | 3397-33-9 Z-L-proline N-hydroxysuccinimide ester|03856|3397-33-9 https://www.jk-sci.com/products/j5303862 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6232dad037653efd8399fb1ed9f12ffb.jpg?v=1776322061 Z-L-tyrosine amide | 19898-39-6 Z-L-tyrosine amide|03862|19898-39-6 https://www.jk-sci.com/products/s57c4x-108117 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/853a298f93decf577e34a8a197e63be8.jpg?v=1776406215 Diacerein Impurity 17 | 65209-90-7 Diacerein Impurity 17|C4X-108117|65209-90-7 https://www.jk-sci.com/products/s57c4x-10813 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e02446239f4fdc6d0a3e53588aff4c50.jpg?v=1776406222 Diacerein EP Impurity E | 875535-36-7 Diacerein EP Impurity E|C4X-10813|875535-36-7 https://www.jk-sci.com/products/j5303869 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc2e25e0ad66f61c84e258dcec50e9a.jpg?v=1776322081 Z-L-serine hydrazide | 26582-86-5 Z-L-serine hydrazide|03869|26582-86-5 https://www.jk-sci.com/products/a019426130 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cfee1ae2-29cd-4477-8881-6d821a253f74.png?v=1776306349 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426130 https://www.jk-sci.com/products/s57c4x-10821 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/537299.png?v=1774900494 Ibuprofen EP Impurity A | 66622-47-7 Ibuprofen EP Impurity A|C4X-10821|66622-47-7 https://www.jk-sci.com/products/s57c4x-10816 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32dbdb5655e5d7e9ba056b06db349bf3.jpg?v=1776406228 Diacerein EP Impurity H | 25395-11-3 Diacerein EP Impurity H|C4X-10816|25395-11-3 https://www.jk-sci.com/products/a019426131 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bb68a5ab-9eb0-48fe-93d6-95bcf6487183.png?v=1776306351 [S(R)]-N-[(S)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426131 https://www.jk-sci.com/products/j5303898 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2eb34a357aac54c6f6a9a94e1e597bfa.jpg?v=1776322148 Diethyl sulfate | 64-67-5 Diethyl sulfate|03898|64-67-5 https://www.jk-sci.com/products/s57c4x-1082104 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/j5303874 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ad54db15db20d1d66eb233998dd0763.jpg?v=1776322093 Z-L-glutamic acid a-amide | 6398-06-7 Z-L-glutamic acid a-amide|03874|6398-06-7 https://www.jk-sci.com/products/s57c4x-108213 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4ad876f82a784226862141afd12b947.jpg?v=1776406238 Ibuprofen EP Impurity M | 60057-62-7 Ibuprofen EP Impurity M|C4X-108213|60057-62-7 https://www.jk-sci.com/products/s57c4x-108212 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a019426132 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78db5641-0d45-4805-a4e4-bb46d97b9884.png?v=1776306354 [S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426132 https://www.jk-sci.com/products/s57c4x-108214 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ca15c31a7c8466c8d7980d3aee2a8e.jpg?v=1776406241 Ibuprofen EP Impurity N | 3585-52-2 Ibuprofen EP Impurity N|C4X-108214|3585-52-2 https://www.jk-sci.com/products/j5303908 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b01285cb30770853d1e2530cf5f8b01.jpg?v=1776322176 Fmoc-L-aspartic acid a-9-fluorenylmethyl ester | 187671-16-5 Fmoc-L-aspartic acid a-9-fluorenylmethyl ester|03908|187671-16-5 https://www.jk-sci.com/products/j5303942 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eefff5b8b2c81ad3a1a072225f14083.jpg?v=1776322230 Boc-a-aminoisobutyric acid N-hydroxysuccinimide ester | 104055-39-2 Boc-a-aminoisobutyric acid N-hydroxysuccinimide ester|03942|104055-39-2 https://www.jk-sci.com/products/j5303918 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2143c02d594bf3b50967cb13c2937504.jpg?v=1776322206 Na-Fmoc-Nd-methyltrityl-L-glutamine | 144317-23-7 Na-Fmoc-Nd-methyltrityl-L-glutamine|03918|144317-23-7 https://www.jk-sci.com/products/s57c4x-108216 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289032.png?v=1774902782 Ibuprofen EP Impurity P | 36039-36-8 Ibuprofen EP Impurity P|C4X-108216|36039-36-8 https://www.jk-sci.com/products/j5303946 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ad10782ab84ddbb3dbbf09773f75a76.jpg?v=1776322241 Boc-L-norleucine dicyclohexylammonium salt | 21947-32-0 Boc-L-norleucine dicyclohexylammonium salt|03946|21947-32-0 https://www.jk-sci.com/products/s57c4x-108218 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337669.png?v=1774734223 Ibuprofen EP Impurity R | 102120-87-6 Ibuprofen EP Impurity R|C4X-108218|102120-87-6 https://www.jk-sci.com/products/a019426133 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108325fc46027db793d8a252305259a1.jpg?v=1776306357 [S(R)]-N-[(S)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% | 2786683-59-6 [S(R)]-N-[(S)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426133|2786683-59-6 https://www.jk-sci.com/products/j5303951 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127b582ad8556dcd9762d0294efb494e.jpg?v=1776322260 Boc-L-Phe(4-NHZ)-OH | 55533-25-0 Boc-L-Phe(4-NHZ)-OH|03951|55533-25-0 https://www.jk-sci.com/products/j5303975 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566ef2fc9b0d2a929f0be7440f298a1d.jpg?v=1776322318 Boc-3,5-diiodo-L-tyrosine | 62129-53-7 Boc-3,5-diiodo-L-tyrosine|03975|62129-53-7 https://www.jk-sci.com/products/j5303970 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7807cb6b622794e9c595101ab2c0285.jpg?v=1776322309 Boc-S-4-methylbenzyl-L-cysteine N-hydroxysuccinimide ester | 140842-91-7 Boc-S-4-methylbenzyl-L-cysteine N-hydroxysuccinimide ester|03970|140842-91-7 https://www.jk-sci.com/products/j5301937 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7022cf6ec68638904fffeef068028c62.jpg?v=1776318011 Fmoc-b-alanine 4-alkoxybenzyl alcohol resin (0.3-0.8 meq/g, 100-200 mesh) Fmoc-b-alanine 4-alkoxybenzyl alcohol resin (0.3-0.8 meq/g, 100-200 mesh)|01937 https://www.jk-sci.com/products/j5302741 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1923e20579727e8344109587f8021490.jpg?v=1776319943 Boc-N-methyl-O-2,6-dichlorobenzyl-L-tyrosine | 57817-43-3 Boc-N-methyl-O-2,6-dichlorobenzyl-L-tyrosine|02741|57817-43-3 https://www.jk-sci.com/products/a019426134 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_31e3112e-5636-4493-874b-f2d5d6c57906.png?v=1776306359 [S(R)]-N-[(R)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426134 https://www.jk-sci.com/products/j5303199 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2ccc29125e1aad854834c8007fb59a6.jpg?v=1776320891 Ne-Z-L-lysinol | 101250-90-2 Ne-Z-L-lysinol|03199|101250-90-2 https://www.jk-sci.com/products/j5303048 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595f21f981e2adcc15b62c034725ca97.jpg?v=1776320422 S-Benzyl-D-cysteine | 23032-53-3 S-Benzyl-D-cysteine|03048|23032-53-3 https://www.jk-sci.com/products/a019426135 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e60f314d-39c5-4c62-acbf-ea32966e0ec4.png?v=1776306362 [S(R)]-N-[(S)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426135 https://www.jk-sci.com/products/j5303167 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a2f208c36a1ba4d24ed5a2f30f86bd.jpg?v=1776320792 L-Valine benzyl ester 4-toluenesulfonate salt | 16652-76-9 L-Valine benzyl ester 4-toluenesulfonate salt|03167|16652-76-9 https://www.jk-sci.com/products/j5303317 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62d43dae1f01d1d920c1b58fd8915be2.jpg?v=1776321143 O-tert-Butyl-D-threonine methyl ester hydrochloride | 115141-43-0 O-tert-Butyl-D-threonine methyl ester hydrochloride|03317|115141-43-0 https://www.jk-sci.com/products/a019426136 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420d2c4e5aac6ac6d4ea25fe3b1ed46b.jpg?v=1776306365 [S(R)]-N-[(R)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% | 2835567-42-3 [S(R)]-N-[(R)-[1,1':3',1''-Terphenyl]-5'-yl(2-(diphenylphosphanyl) phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426136|2835567-42-3 https://www.jk-sci.com/products/j5303238 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0affd99a74cafe12d66afb4d5baaaf69.jpg?v=1776321018 Boc-D-Valinol | 106391-87-1 Boc-D-Valinol|03238|106391-87-1 https://www.jk-sci.com/products/j5303453 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd2b57414e8b3fd5bfd25e47d0694087.jpg?v=1776321319 L-Asparagine-2-chlorotrityl resin (0.3 - 08 meq/g, 200 - 400 mesh) L-Asparagine-2-chlorotrityl resin (0.3 - 08 meq/g, 200 - 400 mesh)|03453 https://www.jk-sci.com/products/j5303374 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4b11295befce4487a0a3d51af1c8dae.jpg?v=1776321214 DL-d-Hydroxy-DL-lysine hydrochloride | 13204-98-3 DL-d-Hydroxy-DL-lysine hydrochloride|03374|13204-98-3 https://www.jk-sci.com/products/a019426137 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d4b409b9-0343-44aa-94a5-d6bea7b3ecbc.png?v=1776306367 [S(R)]-N-((S)-1-(3-(Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-2-methylpropane-2-sulfinamide, 95% [S(R)]-N-((S)-1-(3-(Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-2-methylpropane-2-sulfinamide, 95%|9426137 https://www.jk-sci.com/products/s57c4x-108243 2026-07-21T11:18:48-07:00 daily https://www.jk-sci.com/products/a019426139 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7fbff1d6-749c-4eb2-8460-4cfe9a96b8db.png?v=1776306373 [S(R)]-N-((S)-1-(3-(Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-((S)-1-(3-(Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-N,2-dimethyl-2-propanesulfinamide, 95%|9426139 https://www.jk-sci.com/products/j5303753 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cccfaee5b62b5f260a5025f7af8db77b.jpg?v=1776321759 Na-Fmoc-L-tryptophan N-hydroxysuccinimide ester | 84771-20-0 Na-Fmoc-L-tryptophan N-hydroxysuccinimide ester|03753|84771-20-0 https://www.jk-sci.com/products/j5303529 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20d731504337fbf8b65f3c2a4875a34c.jpg?v=1776321416 D-Citrulline | 13594-51-9 D-Citrulline|03529|13594-51-9 https://www.jk-sci.com/products/a019426140 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5b748116-2e40-4e40-9cdf-693dc0ee7b7f.png?v=1776306376 [S(R)]-N-((R)-1-(3-Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-((R)-1-(3-Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-N,2-dimethyl-2-propanesulfinamide, 95%|9426140 https://www.jk-sci.com/products/j5303700 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42a83c9c9465c4b25d933da32a3a2252.jpg?v=1776321617 Fmoc-S-acetamidomethyl-D-cysteine | 168300-88-7 Fmoc-S-acetamidomethyl-D-cysteine|03700|168300-88-7 https://www.jk-sci.com/products/a019426138 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e47cf61f-6cf9-4f7f-9c54-686348b90dde.png?v=1776306370 [S(R)]-N-((R)-1-(3-(Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-2-methylpropane-2-sulfinamide, 95% [S(R)]-N-((R)-1-(3-(Benzyloxy)-2-(diphenylphosphanyl)phenyl)-2,2-dimethylpropyl)-2-methylpropane-2-sulfinamide, 95%|9426138 https://www.jk-sci.com/products/s57c4x-108259 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0168079bd483a7b58be9466a2579feb9.jpg?v=1776406261 Ibuprofen Impurity 59 | 89878-72-8 Ibuprofen Impurity 59|C4X-108259|89878-72-8 https://www.jk-sci.com/products/j5303646 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31db5989f0d64eacaa7f1867d03c4d53.jpg?v=1776321548 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxyacetamido BHA resin 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxyacetamido BHA resin|03646 https://www.jk-sci.com/products/j5303786 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a4dfad39766cf49874e9258fa59c7a2.jpg?v=1776321854 Boc-L-glutamic acid g-benzyl ester a-N-hydroxysuccinimide ester | 32886-40-1 Boc-L-glutamic acid g-benzyl ester a-N-hydroxysuccinimide ester|03786|32886-40-1 https://www.jk-sci.com/products/s57c4x-108261 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110532.png?v=1774901772 Ibuprofen Impurity 61 | 38861-88-0 Ibuprofen Impurity 61|C4X-108261|38861-88-0 https://www.jk-sci.com/products/j5303803 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7280c0c69320b318bd1e17a7aaa80180.jpg?v=1776321897 Boc-L-methionine N-hydroxysuccinimide ester | 3845-64-5 Boc-L-methionine N-hydroxysuccinimide ester|03803|3845-64-5 https://www.jk-sci.com/products/j5303812 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b17f073163d07d6a9c1c98630243d6a.jpg?v=1776321922 Boc-sarcosine N-hydroxysuccinimide ester | 80621-90-5 Boc-sarcosine N-hydroxysuccinimide ester|03812|80621-90-5 https://www.jk-sci.com/products/j5303838 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33e1f0f546e291cd5a6cd4563051ca9e.jpg?v=1776321991 Na-Z-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-D-arginine cyclohexylammonium salt | 210557-94-1 Na-Z-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-D-arginine cyclohexylammonium salt|03838|210557-94-1 https://www.jk-sci.com/products/j5303900 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e109742fda968ac58a539543c04fcdf4.jpg?v=1776322152 D-Tyrosine methyl ester hydrochloride | 3728-20-9 D-Tyrosine methyl ester hydrochloride|03900|3728-20-9 https://www.jk-sci.com/products/j5303849 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83498879b7c812111fc633dbc305e771.jpg?v=1776322029 Na-Z-L-histidine methyl ester | 15545-10-5 Na-Z-L-histidine methyl ester|03849|15545-10-5 https://www.jk-sci.com/products/a019426142 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_aebac5ae-652f-4bf4-892c-777f50bd3244.png?v=1776306382 [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]phenyl-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]phenyl-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95%|9426142 https://www.jk-sci.com/products/j5303861 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3600d8af92147a6230586f9a8510016f.jpg?v=1776322058 Z-O-tert-butyl-D-threonine dicyclohexylammonium salt | 201275-65-2 Z-O-tert-butyl-D-threonine dicyclohexylammonium salt|03861|201275-65-2 https://www.jk-sci.com/products/j5303873 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0635b27a2af5b0bd1b87d5b549a9800b.jpg?v=1776322090 Z-L-glutamine N-hydroxysuccinimide ester | 34078-85-8 Z-L-glutamine N-hydroxysuccinimide ester|03873|34078-85-8 https://www.jk-sci.com/products/j5304005 2026-07-21T11:18:48-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14cf5c445bef1e5044689d0bb41448be.jpg?v=1776322394 Boc-L-methionine 4-nitrophenyl ester | 2488-18-8 Boc-L-methionine 4-nitrophenyl ester|04005|2488-18-8