https://www.jk-sci.com/products/s57c4x-10536 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d976d0d605117f1ac5d928be3258d9ac.jpg?v=1791725361 Solifenacin Impurity 6, 96.10% | 1956436-64-8 Solifenacin Impurity 6|C4X-10536|1956436-64-8 https://www.jk-sci.com/products/a01273105 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340762.png?v=1790212348 6-Phenoxypyridine-3-carbonitrile, 97% | 99902-72-4 6-Phenoxypyridine-3-carbonitrile, 97%|273105|99902-72-4 https://www.jk-sci.com/products/a019342326 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7a5dfaa-7065-479c-abd5-9b992918ec65.png?v=1787978511 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f006e7b6-cffa-48ed-b8ae-4e989e7dc63f.png?v=1791725351 Tedizolid Impurity 17, Purity: 99.8% Tedizolid Impurity 17|C4X-105417 https://www.jk-sci.com/products/a01273668 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273668.png?v=1788924646 Molsidomine, 98%, Guanylate cyclase activator | 25717-80-0 Molsidomine, 98%, Guanylate cyclase activator|273668|25717-80-0 https://www.jk-sci.com/products/a012739697 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/129316_bd63d854-03f1-46a0-a8b0-4653da590be1.png?v=1788924612 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244274.png?v=1788924628 4-Chlorophenylacetone, 98% | 5586-88-9 4-Chlorophenylacetone, 98%|273917|5586-88-9 https://www.jk-sci.com/products/a012739689 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32ad2a39799f68886814a9ef7912a1c8.jpg?v=1788924615 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273858.png?v=1788924629 Isoalantolactone, 98%, from Radix Aucklandiae | 470-17-7 Isoalantolactone, 98%, from Radix Aucklandiae|273858|470-17-7 https://www.jk-sci.com/products/a01273712 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563733.png?v=1790212333 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f50b02cc752e7ec0e8eaa1d706553b45.jpg?v=1788924606 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_515a87a8-4875-411b-9cd7-5db660854719.png?v=1787978509 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ff7b8c8f-1d8f-428a-a1dd-0e4baec6a65e.png?v=1787978510 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca46c72b44b671cca1b3d12b0072895e.jpg?v=1788924579 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/274839_ecea9980-6e0f-4f1c-a712-999d686c85fb.png?v=1790212294 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162360.png?v=1790212290 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42a56c798afcea242c1499a83ed75ab3.jpg?v=1787993359 Bis(3-methoxyphenyl) amine, 97% | 92248-06-1 Bis(3-methoxyphenyl) amine, 97%|2750645|92248-06-1 https://www.jk-sci.com/products/a012749530 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c32b4adf4f76ac95eb9e154026c3b3f1.jpg?v=1790212290 Hexylamine Hydrobromide, 99.8% | 7334-95-4 Hexylamine Hydrobromide, 99.8%|2749530|7334-95-4 https://www.jk-sci.com/products/a01275671 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275671.png?v=1788924521 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275304.png?v=1790212286 Lithium tetraborate, 98% | 12007-60-2 Lithium tetraborate, 98%|275304|12007-60-2 https://www.jk-sci.com/products/s57c4x-105472 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ac02734-f172-43e1-b064-7746f82837cb.png?v=1791725315 Tedizolid Impurity 72, Purity: 98.5% Tedizolid Impurity 72|C4X-105472 https://www.jk-sci.com/products/a01275760 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275760.png?v=1790212274 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf84963a5d5f962e5c0e01b1f5b2e179.jpg?v=1791725311 Tedizolid Impurity 79, 99.30% | 1551262-90-8 Tedizolid Impurity 79|C4X-105479|1551262-90-8 https://www.jk-sci.com/products/a01275955 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b958c500ec70a97075808afe36641f0e.jpg?v=1790212270 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b3b702936b9596c669b74388f5e2f25.jpg?v=1791407224 (R)-(1-Boc-piperidin-3-yl)acetic acid, Purity by HPLC ≥ 98% | 912940-89-7 (R)-(1-Boc-piperidin-3-yl)acetic acid|22719|912940-89-7 https://www.jk-sci.com/products/a019342329 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b679b30d-4025-41b3-bbfb-2574267ced04.png?v=1787978508 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276710.png?v=1790212246 Tetrabutylammonium acetate, 93% | 10534-59-5 Tetrabutylammonium acetate, 93%|276710|10534-59-5 https://www.jk-sci.com/products/s57c4x-10552 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/212973_42f98982-e7bd-4d4e-b7e1-1c824cc9bbb3.png?v=1791725290 Topiroxostat Impurity 2 ( Isoniazid Impurity 5 ), 98.20% | 100-48-1 Topiroxostat Impurity 2 ( Isoniazid Impurity 5 )|C4X-10552|100-48-1 https://www.jk-sci.com/products/a019342331 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a010c44e-00c5-41c0-9975-a07af02fcdcb.png?v=1787978505 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276759.png?v=1790212240 N,N-Diethylbenzamide, 95% | 1696-17-9 N,N-Diethylbenzamide, 95%|276759|1696-17-9 https://www.jk-sci.com/products/a01276542 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276542.png?v=1790212245 2,6-Dichlorobenzothiazole, 97% | 3622-23-9 2,6-Dichlorobenzothiazole, 97%|276542|3622-23-9 https://www.jk-sci.com/products/a01276372 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211655_25d373d2-fd19-49b5-821a-09abb1b51fc7.png?v=1790086118 Ethyl levulinate, 98% | 539-88-8 Ethyl levulinate, 98%|276372|539-88-8 https://www.jk-sci.com/products/a019342330 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7743ed32-5f72-4d73-b935-e0dd479ae069.png?v=1787978506 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97d40a8fe8c7212221fc85880ed13c59.jpg?v=1791725283 Topiroxostat Impurity 48, 94.90% | 4329-75-3 Topiroxostat Impurity 48|C4X-105548|4329-75-3 https://www.jk-sci.com/products/s57c4x-105534 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81497046246d1d9f5009b5fcedd4f884.jpg?v=1791725287 Topiroxostat Impurity 34, 96.80% | 2044708-04-3 Topiroxostat Impurity 34|C4X-105534|2044708-04-3 https://www.jk-sci.com/products/a01276928 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276928_86769364-9632-45d3-a7b2-54cf7e5d769f.png?v=1790212236 Penicillin G potassium salt, 96% | 113-98-4 Penicillin G potassium salt, 96%|276928|113-98-4 https://www.jk-sci.com/products/a019342354 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_72ccd9e6-b52b-4c3a-8e3e-8c529a5c1b3b.png?v=1787978502 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a10e49842e395f7ca8d54c1177b460c.jpg?v=1787978504 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/328082.png?v=1790212236 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fe7a7f67-309c-4991-ac6b-7593a8c08ae1.png?v=1787978499 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cd670e00-ca18-4754-9dd7-0021d15c9d88.png?v=1787978501 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6c3a0727-8a35-4ac8-ac74-ba1add3980a3.png?v=1787978498 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5e36593b-b879-439a-b1ab-9afede4252d8.png?v=1787978498 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8321cec5acef01f1c3de9ae2d91c0b69.jpg?v=1791725262 Vortioxetine Impurity 116, Purity: 100.0% | 102439-46-3 Vortioxetine Impurity 116|C4X-1056116|102439-46-3 https://www.jk-sci.com/products/s57c4x-1056147 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b68000f9-d578-48b5-a1f9-723bd29154ea.png?v=1791725257 Vortioxetine Impurity 147, 86.00% Vortioxetine Impurity 147|C4X-1056147 https://www.jk-sci.com/products/a01277265 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102720.png?v=1790212227 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6bc141cc-75c8-415a-b230-a3e61ce7fdca.png?v=1787978494 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277288.png?v=1791204262 2-(Phenylthio)ethanol, 98% | 699-12-7 2-(Phenylthio)ethanol, 98%|277288|699-12-7 https://www.jk-sci.com/products/a01277377 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277377.png?v=1788924466 (R)-(+)-Lactamide, 98%, ee: 99% | 598-81-2 (R)-(+)-Lactamide, 98%, ee: 99%|277377|598-81-2 https://www.jk-sci.com/products/a019342360 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9bfbde6b-87da-4c1d-9df2-fac70d40b460.png?v=1787978490 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/100616_b69dc651-fb16-45bf-8938-509b65902c89.png?v=1787973200 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462966.png?v=1790086112 9-Fluorenylmethyl carbamate, 98% | 84418-43-9 9-Fluorenylmethyl carbamate, 98%|277506|84418-43-9 https://www.jk-sci.com/products/a01b10102 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e679decd2bfd89b303512b53e661f6b.jpg?v=1788911352 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289111_1118ebd1-163c-40d4-ad65-15951d20c55e.png?v=1788911358 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfd87dfcb97b3ee736ac017d547c4aee.jpg?v=1791725243 Vortioxetine Impurity 4, 97.40% | 1429908-35-9 Vortioxetine Impurity 4|C4X-10564|1429908-35-9 https://www.jk-sci.com/products/a01b10183 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7279ce1979b5a7e6a65316ae15072061.jpg?v=1790085023 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e4feb1ede7a59d03a476e445c5d0863.jpg?v=1791725238 Vortioxetine Impurity 46, 96.70% | 1253056-29-9 Vortioxetine Impurity 46|C4X-105646|1253056-29-9 https://www.jk-sci.com/products/a019342361 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9fd74c8b-fcd1-404d-961d-d5d8fd149561.png?v=1787978486 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411005_2fe2fa2e-8269-4207-a85e-46c3abb18553.png?v=1787973113 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_83255a64-af3c-4265-9dc9-818a873b3d60.png?v=1787978486 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609322_28c6c690-c1a8-422a-b568-87d01906ef3a.png?v=1788911314 N-Cbz-D-leucine, 98% | 28862-79-5 N-Cbz-D-leucine, 98%|161324|28862-79-5 https://www.jk-sci.com/products/a01b11083 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487202_ffb52f9d-6843-4446-8acc-d038fa12361a.png?v=1790085016 Z-Ser-OH, 99% | 1145-80-8 Z-Ser-OH, 99%|227707|1145-80-8 https://www.jk-sci.com/products/a01b11097 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/216255_091f4ef4-4347-440d-b075-5bcd7c1b847b.png?v=1790204729 Z-Tyr-OH, 98% | 1164-16-5 Z-Tyr-OH, 98%|166171|1164-16-5 https://www.jk-sci.com/products/a01b12147 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/525058.png?v=1787973064 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/482657_10fded2f-b526-4b5b-8622-d66d383cb57d.png?v=1788911269 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241752_c5301ab2-dddf-417a-a089-102dabe58839.png?v=1787973054 L-Tryptophanamide hydrochloride, 98% | 5022-65-1 L-Tryptophanamide hydrochloride, 98%|214502|5022-65-1 https://www.jk-sci.com/products/s57c4x-105682 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326841_070ff098-8d8b-4cd2-9d1d-5d085fda00b3.png?v=1791725214 Vortioxetine Impurity 82, 98.70% | 583-55-1 Vortioxetine Impurity 82|C4X-105682|583-55-1 https://www.jk-sci.com/products/s57c4x-10571 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/27003e461859cc564f13b645c27ea6db.jpg?v=1791725203 Valsartan EP Impurity A, 96.00% | 137862-87-4 Valsartan EP Impurity A|C4X-10571|137862-87-4 https://www.jk-sci.com/products/a01b12180 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/116350_aeccfc57-a055-4d41-bfda-ef2e696f733b.png?v=1788911270 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cae2d835-ada4-49fc-9586-7f41f87b1bd3.png?v=1791725199 Valsartan Impurity 128, 95.60% Valsartan Impurity 128|C4X-1057128 https://www.jk-sci.com/products/s57c4x-1057109 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b62d12dbeb958033fce5c874f8797f8d.jpg?v=1791725198 Valsartan Impurity 109, 93.90% | 2407652-86-0 Valsartan Impurity 109|C4X-1057109|2407652-86-0 https://www.jk-sci.com/products/s57c4x-105714 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e709eff4fbaf8970e942a377950d078.jpg?v=1791725193 Valsartan Impurity 14, 97.70% | 137863-90-2 Valsartan Impurity 14|C4X-105714|137863-90-2 https://www.jk-sci.com/products/a01c02013 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/380977_9157bc88-fdf6-41c0-a401-46ca5fb1684e.png?v=1788911255 L-Tryptophanol, 97% | 2899-29-8 L-Tryptophanol, 97%|108048|2899-29-8 https://www.jk-sci.com/products/a01b12182 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460893_8f94d103-acc6-4baf-8687-74d1bff045db.png?v=1787973041 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349503.png?v=1791725182 Valsartan Impurity 25, Purity: 97.1% | 133051-88-4 Valsartan Impurity 25|C4X-105725|133051-88-4 https://www.jk-sci.com/products/a01h07031 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454569_72bf9ffa-e6d8-4e97-999f-2d6c8af32a2d.png?v=1790204699 4-Hydroxyquinoline, 98% | 611-36-9 4-Hydroxyquinoline, 98%|234318|611-36-9 https://www.jk-sci.com/products/s57c4x-10573 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcdd7004c5f33f3cd7a34353d0b8aed0.jpg?v=1791725176 Valsartan EP Impurity C, 95.60% | 952652-79-8 Valsartan EP Impurity C|C4X-10573|952652-79-8 https://www.jk-sci.com/products/a019342364 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7e0ed299-1011-42f4-9033-52af3b22a988.png?v=1787978482 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_01958cbe-2a76-4a9e-8cdd-d6e61cc02e86.png?v=1787978486 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a8ec5a4fe8d5598e15e1543f1949d47e.jpg?v=1791725170 Valsartan Impurity 42, 85.60% | 443093-86-5 Valsartan Impurity 42|C4X-105742|443093-86-5 https://www.jk-sci.com/products/a01h08021 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/210795.png?v=1790204689 5-Amino-2-chloropyridine, 98% | 5350-93-6 5-Amino-2-chloropyridine, 98%|263979|5350-93-6 https://www.jk-sci.com/products/a01h08111 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/535478_eb677769-2161-49f4-ba5d-1e391c18f7f3.png?v=1790204672 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206264.png?v=1790204659 2,6-Diacetylpyridine, 97% | 1129-30-2 2,6-Diacetylpyridine, 97%|137832|1129-30-2 https://www.jk-sci.com/products/a019342365 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6f39f192-5d98-476e-9979-673135ee8f8a.png?v=1787978478 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/885ddcd384be47da03c26c297823d766.jpg?v=1791725157 Valsartan Impurity 56, 93.30% | 1353844-75-3 Valsartan Impurity 56|C4X-105766|1353844-75-3 https://www.jk-sci.com/products/a01h08151 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/262474.png?v=1788911198 Di-2-pyridyl ketone, 98% | 19437-26-4 Di-2-pyridyl ketone, 98%|102565|19437-26-4 https://www.jk-sci.com/products/a01h08170 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257393.png?v=1790204654 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/259382.png?v=1790204649 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4887be27-f0da-430b-a124-a53a9925a248.png?v=1787978478 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43765cb7-75d3-40ac-9525-84a6f64b672d.png?v=1787978478 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9b8d4479ba722b451aff75d80560ee7.jpg?v=1791725140 Valsartan Impurity 8, 95.40% | 137862-78-3 Valsartan Impurity 8|C4X-10578|137862-78-3 https://www.jk-sci.com/products/a01h08204 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/451506.png?v=1790204649 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890f6f941a59693009656ed3ee7131a2.jpg?v=1790204648 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_51265453-a8ae-49cb-ade5-e5e4db3153cd.png?v=1787978475 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a910ce4b-edf9-47cb-a22b-d0e6a441975a.png?v=1787978474 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581617.png?v=1791725130 1,3,5-Trimethyl Adamantane, 99.80% | 707-35-7 1,3,5-Trimethyl Adamantane|C4X-105815|707-35-7 https://www.jk-sci.com/products/a019342402 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_147ff1fc-4ed4-4f68-a4ee-2b0a71a5b67f.png?v=1787978475 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601514.png?v=1790204640 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281927_e44d898b-2584-4e70-b567-a4a008ca1b37.png?v=1790204644 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e3545f9e98f4a46d384c3f4fcadbd3c_4d8c43a4-9c83-4898-8309-5319aff52438.jpg?v=1791725119 Memantine Impurity 34, 98.50% | 702-77-2 Memantine Impurity 34|C4X-105834|702-77-2 https://www.jk-sci.com/products/a01h08285 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/500805.png?v=1790204636 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e06672a221052bfb72670b78e333d7ea.jpg?v=1791725111 1,3,5-Tribromoadamantane, Purity: 96.9% | 707-34-6 1,3,5-Tribromoadamantane|C4X-105846|707-34-6 https://www.jk-sci.com/products/s57c4x-105837 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d237d064cdd41dee982980cda25faf01.jpg?v=1791725116 Memantine Related Compound H, 95.80% | 15210-60-3 Memantine Related Compound H|C4X-105837|15210-60-3 https://www.jk-sci.com/products/a019342403 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c34c5a5ab9babf3572e72897e3ce6f54.jpg?v=1787978470 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a7ca3b18a7ef859be242144b08d9c4f.jpg?v=1787978471 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103114.png?v=1788911169 Ethyl 4,6-dichloronicotinate, 97% | 40296-46-6 Ethyl 4,6-dichloronicotinate, 97%|203867|40296-46-6 https://www.jk-sci.com/products/a01h08309 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/294212.png?v=1790204627 3-Methyl-2-nitropyridine, 97% | 18368-73-5 3-Methyl-2-nitropyridine, 97%|153363|18368-73-5 https://www.jk-sci.com/products/a01h09002 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/555160.png?v=1790204623 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/639790.png?v=1788911163 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0920a89f4c7806d5c525ff8e3040b062.jpg?v=1791725096 Cinacalcet Impurity 22, 96.70% | 21172-43-0 Cinacalcet Impurity 22|C4X-105922|21172-43-0 https://www.jk-sci.com/products/s57c4x-105924 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814230.png?v=1791725089 Cinacalcet Impurity 24, 97.70% | 78573-45-2 Cinacalcet Impurity 24|C4X-105924|78573-45-2 https://www.jk-sci.com/products/a01h09021 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546710.png?v=1790204622 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337520.png?v=1788911154 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456027e3ad9fff10c62c1d673237338a.jpg?v=1791725078 Cinacalcet Impurity 6, 96.80% | 1428118-39-1 Cinacalcet Impurity 6|C4X-10596|1428118-39-1 https://www.jk-sci.com/products/a019343016 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6baa830252f13900c87bf580d12b7e9f.jpg?v=1787978464 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb0cae35cba1a55f8c1ec606ecea78ea.jpg?v=1787978459 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587316.png?v=1790084989 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627981.png?v=1790204601 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b6b3de6b-253e-41ba-8926-42356efaeb64.png?v=1791725060 Bromhexine Impurity 19, 83.30% Bromhexine Impurity 19|C4X-106019 https://www.jk-sci.com/products/s57c4x-106014 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493319.png?v=1791725062 Bromhexine EP Impurity C, 99.70% | 57365-08-9 Bromhexine EP Impurity C|C4X-106014|57365-08-9 https://www.jk-sci.com/products/a01h10133 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273663.png?v=1790204596 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/407703.png?v=1790204601 5-Bromo-2-fluoropyrimidine, 97% | 62802-38-4 5-Bromo-2-fluoropyrimidine, 97%|258251|62802-38-4 https://www.jk-sci.com/products/a019343195 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc4d2e42e22fc4b4778f8e10aaf7523.jpg?v=1787978457 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235636.png?v=1791725046 Bromhexine Impurity 34, 99.90% | 606-00-8 Bromhexine Impurity 34|C4X-106034|606-00-8 https://www.jk-sci.com/products/s57c4x-10605 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b1df22d2e7b23f0cc71a6232f953023.jpg?v=1791725046 Bromhexine EP Impurity E, 91.50% | 1660957-93-6 Bromhexine EP Impurity E|C4X-10605|1660957-93-6 https://www.jk-sci.com/products/a01h11028 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243289.png?v=1790204583 1-Boc-3-aminopiperidine, 98% | 184637-48-7 1-Boc-3-aminopiperidine, 98%|123940|184637-48-7 https://www.jk-sci.com/products/a01h12001 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333660.png?v=1790204578 1-Benzoylpiperazine, 98% | 13754-38-6 1-Benzoylpiperazine, 98%|278158|13754-38-6 https://www.jk-sci.com/products/a019344532 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_27668b99-3a2f-4546-b92b-967563f19b71.png?v=1787978440 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9f5f8969-9a1f-4009-b19d-cd201ae96ec2.png?v=1787978440 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c1356469a4f30f72d0ff9f928020980.jpg?v=1788913819 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214478.png?v=1790204574 3-Amino-6-chloropyridazine, 98% | 5469-69-2 3-Amino-6-chloropyridazine, 98%|239571|5469-69-2 https://www.jk-sci.com/products/a01h13021 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/295185.png?v=1790204565 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65a0f47fc183a2c3578521fdf6f2d6f6.jpg?v=1791725018 Edaravone Impurity 3, 97.50% | 1323485-71-7 Edaravone Impurity 3|C4X-10623|1323485-71-7 https://www.jk-sci.com/products/a019345765 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d788f77a476bf83907dbe839b289bb51.jpg?v=1787978402 Bis(3-aminophenyl) acetylene, 97% | 102852-93-7 Bis(3-aminophenyl) acetylene, 97%|9345765|102852-93-7 https://www.jk-sci.com/products/a01h13019 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/558423.png?v=1790204569 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/214290_338fda7f-e00e-4e11-b815-d13fbae20acd.png?v=1790204568 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d05d2db25117f0214e6dfd2ab855bd92.jpg?v=1791725007 Edaravone Impurity 6, 94.60% | 124009-63-8 Edaravone Impurity 6|C4X-10626|124009-63-8 https://www.jk-sci.com/products/s57c4x-1063101 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7033eb873068e15630cd267c5754b3bf.jpg?v=1791724998 Edoxaban N-Oxide Monomer Impurity 2, 90.60% | 1974272-84-8 Edoxaban N-Oxide Monomer Impurity 2|C4X-1063101|1974272-84-8 https://www.jk-sci.com/products/a01h29070 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521627_95a196ef-984f-4989-9edc-2f826e7a56e2.png?v=1790204551 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606287_496b43ab-f5f3-4602-b536-d4e231f824da.png?v=1790204552 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f81fd5d621b491d7984154a54f467c3.jpg?v=1791725001 Edoxaban, 93.70% | 480449-70-5 Edoxaban|C4X-1063|480449-70-5 https://www.jk-sci.com/products/s57c4x-106315 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/788557774eb5e8a4afda237c7fcecd4b.jpg?v=1791724993 Edoxaban Impurity 15, 94.60% | 2803372-49-6 Edoxaban Impurity 15|C4X-106315|2803372-49-6 https://www.jk-sci.com/products/a019347216 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d66fe807d0565e8e690565e807f63a7d.jpg?v=1787978376 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/41ca0327c0d5c00371576ff59852ab52.jpg?v=1791724983 Edoxaban Impurity 33, 99.70% | 349125-14-0 Edoxaban Impurity 33|C4X-106333|349125-14-0 https://www.jk-sci.com/products/s57c4x-10633 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/948b6e2e7d52c965208bec81d7f68da7.jpg?v=1791724988 Edoxaban Impurity 3, 96.60% | 480452-37-7 Edoxaban Impurity 3|C4X-10633|480452-37-7 https://www.jk-sci.com/products/a01h29102 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/539884_edb5e604-e5f9-4e7d-9914-4bdb46a8fdde.png?v=1787972759 5-Fluorooxindole, 98% | 56341-41-4 5-Fluorooxindole, 98%|166627|56341-41-4 https://www.jk-sci.com/products/a01h29104 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476042_b5df9d0b-4679-4dea-ac22-7d7aa316c436.png?v=1790204543 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71f6ff0b7d19c1672b543f8b289f3858.jpg?v=1791724971 Edoxaban Impurity 56, 95.40% | 2852734-46-2 Edoxaban Impurity 56|C4X-106356|2852734-46-2 https://www.jk-sci.com/products/a01h29110 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2df0d607d178da6f31cac8945d35f40a.jpg?v=1790204542 5-Bromo-2-oxindole, 98% | 20870-78-4 5-Bromo-2-oxindole, 98%|218763|20870-78-4 https://www.jk-sci.com/products/a01h29111 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359658.png?v=1790204543 4-Aminoindole, 97% | 5192-23-4 4-Aminoindole, 97%|130926|5192-23-4 https://www.jk-sci.com/products/a01h89006 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b70931d4d3713979b665a4ed91f6447.jpg?v=1790204538 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/461607.png?v=1790204533 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b345821c8ba35ea0d2aaba389e2bcea.jpg?v=1791724902 Empagliflozin Impurity 112, 99.70% | 1628918-34-2 Empagliflozin Impurity 112|C4X-1065112|1628918-34-2 https://www.jk-sci.com/products/s57c4x-106511 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b0451cd-95da-4a47-b833-3a629be8a7db.png?v=1791724902 Empagliflozin Impurity 11, 95.30% Empagliflozin Impurity 11|C4X-106511 https://www.jk-sci.com/products/s57c4x-1065114 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8bbb9529f5369f58f11d57f9efa4efd9.jpg?v=1791724897 Empagliflozin Impurity 114, 99.90% | 1459754-32-5 Empagliflozin Impurity 114|C4X-1065114|1459754-32-5 https://www.jk-sci.com/products/s57c4x-106481 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/136507.png?v=1791724918 Ibrutinib Impurity 81, 94.70% | 143667-36-1 Ibrutinib Impurity 81|C4X-106481|143667-36-1 https://www.jk-sci.com/products/s57c4x-106475 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f7cbfab1c6cd3cebc09a91c1ce4aa5a.jpg?v=1791724925 Ibrutinib Impurity 75, 96.10% | 2437254-47-0 Ibrutinib Impurity 75|C4X-106475|2437254-47-0 https://www.jk-sci.com/products/s57c4x-10641 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a8cd22e9a18539a9895cfe8624cb494.jpg?v=1791724956 Ibrutinib Impurity 1, 98.50% | 936563-97-2 Ibrutinib Impurity 1|C4X-10641|936563-97-2 https://www.jk-sci.com/products/s57c4x-106445 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fd30a0b89ece6aac8a8d6d5753b1676.jpg?v=1791724932 Ibrutinib-d5, Purity>95% | 1553977-17-5 Ibrutinib-d5|C4X-106445|1553977-17-5 https://www.jk-sci.com/products/s57c4x-10645 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f12e71ae5c4b4104852c892a4c0841c1.jpg?v=1791724928 Ibrutinib Impurity 5, 92.70% | 1987905-93-0 Ibrutinib Impurity 5|C4X-10645|1987905-93-0 https://www.jk-sci.com/products/s57c4x-106419 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b99c7f2e0c27cc614779e153322e6449.jpg?v=1791724935 Ibrutinib Impurity 19, 98.70% | 1917333-91-5 Ibrutinib Impurity 19|C4X-106419|1917333-91-5 https://www.jk-sci.com/products/s57c4x-10649 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4caa1601-f91f-48c1-910a-0dc5c5145e84.png?v=1791724914 Ibrutinib Impurity 9, Purity: 98.0% Ibrutinib Impurity 9|C4X-10649 https://www.jk-sci.com/products/s57c4x-1065 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142f42aef4d64ea2dd61a23c8da1c2a9.jpg?v=1791724911 Empagliflozin, 100.00% | 864070-44-0 Empagliflozin|C4X-1065|864070-44-0 https://www.jk-sci.com/products/a01n01005 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127851.png?v=1788911014 Solanesol, 90% | 13190-97-1 Solanesol, 90%|210655|13190-97-1 https://www.jk-sci.com/products/a01y01006 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438957_8fe41af2-78f9-48ef-bfe2-2a1a779d313e.png?v=1790204520 4-Fluorobenzoylacetonitrile, 98% | 4640-67-9 4-Fluorobenzoylacetonitrile, 98%|121610|4640-67-9 https://www.jk-sci.com/products/a01n02001 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162106_6d0e9050-3c40-47b2-90d7-3b19ef49e91a.png?v=1788911010 β-Carotene, 97% | 7235-40-7 β-Carotene, 97%|157798|7235-40-7 https://www.jk-sci.com/products/a01h89032 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455066.png?v=1790204529 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e112f2d499d56f4594b487714fa16d66.jpg?v=1791725914 Lurasidone Impurity 12, 95.10% | 1807607-99-3 Lurasidone Impurity 12|C4X-102812|1807607-99-3 https://www.jk-sci.com/products/a01y02092 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622966.png?v=1790204516 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cae4143d535bd51855ad9eea9a1dd9aa.jpg?v=1791724907 Empagliflozin Impurity 10, 93.10% | 2452301-42-5 Empagliflozin Impurity 10|C4X-106510|2452301-42-5 https://www.jk-sci.com/products/a01y02100 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615360.png?v=1790204511 Benzylamine hydrochloride, 98.5% | 3287-99-8 Benzylamine hydrochloride, 98.5%|222683|3287-99-8 https://www.jk-sci.com/products/s57c4x-1064100 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2a0d18dc-1389-4c1f-8918-cba9de998ce9.png?v=1791724946 Ibrutinib Impurity 100, Purity: 98.2% Ibrutinib Impurity 100|C4X-1064100 https://www.jk-sci.com/products/a01y06001 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/524649.png?v=1790204507 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/269417.png?v=1790601079 2-Fluoro-5-methylaniline, 99% | 452-84-6 2-Fluoro-5-methylaniline, 99%|111407|452-84-6 https://www.jk-sci.com/products/a01y03004 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350131_effd63d9-1165-4dd7-a5b8-86d36fc66e90.png?v=1787972705 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99f38963ca02d9f0e5eded516cee03c6.jpg?v=1791725824 Montelukast EP Impurity A(Sodium Salt), 94.90% | 190078-45-6 Montelukast EP Impurity A(Sodium Salt)|C4X-10311|190078-45-6 https://www.jk-sci.com/products/a019347330 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c31141fb4b6f33b2f1eb726d7ab0364.jpg?v=1787978377 3-(diphenylphosphine)benzoic acid, 97% | 2129-30-8 3-(diphenylphosphine)benzoic acid, 97%|9347330|2129-30-8 https://www.jk-sci.com/products/a019347774 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a75a58f79d2853563091375a0b4cd301.jpg?v=1787978367 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/606204_f78dcc35-4a62-49a8-8f99-334155d88d7f.png?v=1790204498 Trimethylamine N-oxide dihydrate, 98% | 62637-93-8 Trimethylamine N-oxide dihydrate, 98%|236579|62637-93-8 https://www.jk-sci.com/products/a01y12001 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/143567_be6098b9-c87e-4804-b1b9-6139e6777ebb.png?v=1790204489 2,4-Dimethoxybenzaldehyde, 98% | 613-45-6 2,4-Dimethoxybenzaldehyde, 98%|157348|613-45-6 https://www.jk-sci.com/products/a01y10002 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120030.png?v=1791204024 Nonyl aldehyde, 95% | 124-19-6 Nonyl aldehyde, 95%|248648|124-19-6 https://www.jk-sci.com/products/a01y07011 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/349130.png?v=1790257367 2,2,2-Trifluoroacetamide, 99% | 354-38-1 2,2,2-Trifluoroacetamide, 99%|293435|354-38-1 https://www.jk-sci.com/products/a01y12004 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288435.png?v=1790204481 2,4-Dinitrobenzaldehyde, 97% | 528-75-6 2,4-Dinitrobenzaldehyde, 97%|196026|528-75-6 https://www.jk-sci.com/products/a01y16002 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467411.png?v=1790204472 3,5-Difluorophenylacetic acid, 99% | 105184-38-1 3,5-Difluorophenylacetic acid, 99%|233239|105184-38-1 https://www.jk-sci.com/products/a01y17044 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236628.png?v=1788910951 Methyl cinnamate, 98% | 103-26-4 Methyl cinnamate, 98%|124255|103-26-4 https://www.jk-sci.com/products/s57c4x-105515 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e18783508b31706cef61f15964ebf02c.jpg?v=1791725292 Topiroxostat Impurity 15, Purity: 95.1% | 577778-82-6 Topiroxostat Impurity 15|C4X-105515|577778-82-6 https://www.jk-sci.com/products/a01y20027 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/635050.png?v=1790204460 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121308.png?v=1790204448 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df01a5bbfada84affdc2537d749a943d.jpg?v=1791725237 Vortioxetine Impurity 45, 93.50% | 2925447-38-5 Vortioxetine Impurity 45|C4X-105645|2925447-38-5 https://www.jk-sci.com/products/a01y28032 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/333077.png?v=1790204446 2-Amino-5-fluorophenol, 97% | 53981-24-1 2-Amino-5-fluorophenol, 97%|119773|53981-24-1 https://www.jk-sci.com/products/a01y29009 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/031cca2c4db99fad668973f92e13a08a.jpg?v=1790204441 2,3-Dichlorophenylhydrazine hydrochloride, 97% | 21938-47-6 2,3-Dichlorophenylhydrazine hydrochloride, 97%|262630|21938-47-6 https://www.jk-sci.com/products/a019347830 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c69fe8afa8756696edb0293114d934e9.jpg?v=1787978362 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499306.png?v=1790084970 Triisopropanolamine cyclic borate, 98% | 101-00-8 Triisopropanolamine cyclic borate, 98%|193087|101-00-8 https://www.jk-sci.com/products/a01y80003 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/460433_dbfeffb3-0ab1-4985-ae98-6a0cbd32851b.png?v=1790204428 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/360199_4b3f5a39-2d3e-4f5f-ab64-6596eccf61da.png?v=1790206078 Kaolin, 1250 mesh | 1332-58-7 Kaolin, 1250 mesh|935354|1332-58-7 https://www.jk-sci.com/products/a01935004 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/480624.png?v=1790206083 4-Chlorobenzenesulfonamide, 98% | 98-64-6 4-Chlorobenzenesulfonamide, 98%|935004|98-64-6 https://www.jk-sci.com/products/a019348920 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d245f3ffc95b06f2d2294024d4538106.jpg?v=1787978344 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8ea2f712d38046834dc7a38f7614fa3.jpg?v=1791204075 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1093716.png?v=1788933621 Fasudil dihydrochloride, 99% | 203911-27-7 Fasudil dihydrochloride, 99%|101989|203911-27-7 https://www.jk-sci.com/products/a01935456 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/064cc9906a7ea75594796ed1effa7eaa_25c6fd13-422b-4da9-af1e-178252c39284.jpg?v=1790009185 (+)-Cedrol, 98% | 77-53-2 (+)-Cedrol, 98%|935456|77-53-2 https://www.jk-sci.com/products/a011020872 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1020872_28460d2f-1b3f-4c2f-ae58-197163fb7682.png?v=1788003861 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278549_9c447b9d-c5f6-4f7f-b5dd-6109fc44b60a.png?v=1788913757 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102094.png?v=1790217414 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/499981_6659a0e4-e156-48ee-90d1-9c447b426b8f.png?v=1790206073 4-Hydroxybenzhydrazide, 98% | 5351-23-5 4-Hydroxybenzhydrazide, 98%|935497|5351-23-5 https://www.jk-sci.com/products/s57c4x-105923 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241739_cb3f6eff-2214-405d-bb60-4f77a2c41b86.png?v=1791725095 Cinacalcet Impurity 23, 92.40% | 3886-70-2 Cinacalcet Impurity 23|C4X-105923|3886-70-2 https://www.jk-sci.com/products/a011021466 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591359.png?v=1788003856 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f4284a02-307d-4e45-a86e-a943e190bf67.png?v=1791725050 Bromhexine Impurity 7 HCl, 97.30% Bromhexine Impurity 7 HCl|C4X-106033 https://www.jk-sci.com/products/a011022844 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4aa6523e3cd96f88105c1170ae6abb0.jpg?v=1790217410 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102344.png?v=1788003832 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1023050.png?v=1790217405 9-(4-Bromophenyl)carbazole, 98% | 57102-42-8 9-(4-Bromophenyl)carbazole, 98%|1023050|57102-42-8 https://www.jk-sci.com/products/a01935937 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/330003.png?v=1790206065 5-Methyl-2-nitrophenol, 97% | 700-38-9 5-Methyl-2-nitrophenol, 97%|935937|700-38-9 https://www.jk-sci.com/products/a011024643 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/183fae23e0d7e40de523b905f6b14c42.jpg?v=1788933574 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102767.png?v=1788003807 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102914.png?v=1790217397 4-Nitrophthalonitrile, 99% | 31643-49-9 4-Nitrophthalonitrile, 99%|102914|31643-49-9 https://www.jk-sci.com/products/a01102794 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102794.png?v=1788933556 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619973.png?v=1790217394 3-(Trimethylsilylethynyl)thiophene, 96% | 130995-13-0 3-(Trimethylsilylethynyl)thiophene, 96%|103028|130995-13-0 https://www.jk-sci.com/products/a011030467 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/648b540755370711a295b5b72fdef63a.jpg?v=1790217390 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/243843.png?v=1790212217 p-Tolylacetic acid, 98% | 622-47-9 p-Tolylacetic acid, 98%|277535|622-47-9 https://www.jk-sci.com/products/s57c4x-106418 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/366771bea0441c460e0d616720147b69.jpg?v=1791724937 Ibrutinib Impurity 18, 92.90% | 2417548-76-4 Ibrutinib Impurity 18|C4X-106418|2417548-76-4 https://www.jk-sci.com/products/a01277795 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784471.png?v=1790212205 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/277989.png?v=1790212200 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278255.png?v=1787993187 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/162048.png?v=1788913747 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278547.png?v=1787993173 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aec3c672786fa298d1c5ed6a2d9eacf.jpg?v=1790212192 2-Ethylimidazole, 99% | 1072-62-4 2-Ethylimidazole, 99%|278370|1072-62-4 https://www.jk-sci.com/products/a01278676 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784489.png?v=1787993168 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142075.png?v=1790212187 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278718.png?v=1790212188 Dimethyl 5-iodoisophthalate, 97% | 51839-15-7 Dimethyl 5-iodoisophthalate, 97%|278718|51839-15-7 https://www.jk-sci.com/products/a01278787 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110165.png?v=1790212183 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278838_da6f0404-eaf6-4421-8830-2ab80824a914.png?v=1788924418 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279031.png?v=1790212177 Methyl pyridine-2-carboxylate, 99% | 2459-07-6 Methyl pyridine-2-carboxylate, 99%|279031|2459-07-6 https://www.jk-sci.com/products/a01936024 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4a7547cd-8964-489d-b41c-72ae99c68d8c.png?v=1787978245 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578425.png?v=1788933507 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103682.png?v=1788933499 2-Chloro-4-methylquinoline, 97% | 634-47-9 2-Chloro-4-methylquinoline, 97%|103682|634-47-9 https://www.jk-sci.com/products/a01103687 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257800.png?v=1790087169 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87f6bb1620368aadd3adfe3ff738ea1b.jpg?v=1791724878 Empagliflozin Impurity 16, 96.90% | 1620758-32-8 Empagliflozin Impurity 16|C4X-106516|1620758-32-8 https://www.jk-sci.com/products/a01103822 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/103822.png?v=1788933490 ACES, 99% | 7365-82-4 ACES, 99%|103822|7365-82-4 https://www.jk-sci.com/products/a01103981 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/318196.png?v=1790217361 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298979.png?v=1790217357 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796318.png?v=1790217361 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/104183.png?v=1788933474 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a203cf64c64c6c4b5db8199349fe7b77.jpg?v=1791423593 5-Bromo-2'-deoxyuridine, Purity by HPLC ≥ 99% | 59-14-3 5-Bromo-2'-deoxyuridine|00045|59-14-3 https://www.jk-sci.com/products/j5300020 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0533fdcd0b41babbb48d4ff10ea78127_17ab3021-1136-4fda-b7dc-93cd9cb192ee.jpg?v=1791423638 Aminomethyl polystyrene resin, Bead Size 100 - 200 mesh || Substitution (meq/g) 1.0-1.2 mmol/g | 89551-24-6 Aminomethyl polystyrene resin|00020|89551-24-6 https://www.jk-sci.com/products/j5300073 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69d77ded96eb1178d967135a52353860.jpg?v=1791423557 N-(2-Bromo-Z)succinimide, Purity by HPLC ≥ 99% | 128611-93-8 N-(2-Bromo-Z)succinimide|00073|128611-93-8 https://www.jk-sci.com/products/j5300082 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c7a5b75f8fe7bb09f9e58e869974158.jpg?v=1791423546 Crystal Violet, Assay by titration 96.0-100.5% (anhydrous basis) | 548-62-9 Crystal Violet|00082|548-62-9 https://www.jk-sci.com/products/s57c4x-1065179 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e93a1409-768c-4ab8-a958-8e2fb43956ab.png?v=1791724864 Empagliflozin impurity, Purity: 99.0% Empagliflozin impurity|C4X-1065179 https://www.jk-sci.com/products/j5300126 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef5b8f21f989b92c22e3d96af49e9b49.jpg?v=1791423476 Erythromycin | 114-07-8 Erythromycin|00126|114-07-8 https://www.jk-sci.com/products/j5300153 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a653290dd2f799d55b189072d2cabbd.jpg?v=1791423420 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f55a8dd60c318d599e8d9d1b88be4120.jpg?v=1791423379 Polyvinylpyrrolidone (MW 40,000) | 9003-39-8 Polyvinylpyrrolidone (MW 40,000)|00169|9003-39-8 https://www.jk-sci.com/products/j5300186 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6fd3456bad28af0d3fbcd289b9825777.jpg?v=1791423344 Inosine-5'-diphosphate trisodium salt, Purity by HPLC ≥ 93% || Purity by UV ≥ 99% (on dry basis) | 81012-88-6 Inosine-5'-diphosphate trisodium salt|00186|81012-88-6 https://www.jk-sci.com/products/j5300216 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e3e64a351b57b08f8d5a0b244caff74.jpg?v=1791423291 4-Methylumbelliferyl phosphate disodium salt, Assay by titration ≥ 82% | 22919-26-2 4-Methylumbelliferyl phosphate disodium salt|00216|22919-26-2 https://www.jk-sci.com/products/j5300272 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fff4793c2c53bfd54e7cc818bebbf06.jpg?v=1791423197 Lincomycin hydrochloride | 859-18-7 Lincomycin hydrochloride|00272|859-18-7 https://www.jk-sci.com/products/s57c4x-1065183 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9daa448e6d649f681d13b41ff209ca2.jpg?v=1791724860 Empagliflozin impurity 183, 100.00% | 32746-79-5 Empagliflozin impurity 183|C4X-1065183|32746-79-5 https://www.jk-sci.com/products/j5300247 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/135917a038589327c1823703a73fcb0f.jpg?v=1791423237 Piperazine-N,N'-bis(2-ethanesulfonic acid) 1.5 sodium salt, Assay by titration ≥ 99% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/760f5269595444c538af3ea031322d30.jpg?v=1791668585 2,5-Dichloro-4-methyl-6-(methylthio)nicotinonitrile, 95% | 886047-53-6 2,5-Dichloro-4-methyl-6-(methylthio)nicotinonitrile|CS-0095027|886047-53-6 https://www.jk-sci.com/products/j5300290 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8de35bb59397985dbbd2cb2884a47b5.jpg?v=1791423166 2,2,2-Trifluoroacetamide, Assay ≥ 99% | 354-38-1 2,2,2-Trifluoroacetamide|00290|354-38-1 https://www.jk-sci.com/products/a019361330 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3dbd08105f47c1d26bb5d9232d65a3d.jpg?v=1788913742 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fdf0712b-a118-45a2-860b-e56b7ea6029b.png?v=1791423041 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/137729.png?v=1790216650 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/978e3111003284133418e84030c5e4de.jpg?v=1791422997 D-Arginine, Assay 99 - 100% | 157-06-2 D-Arginine|00428|157-06-2 https://www.jk-sci.com/products/s57c4x-1065193 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bc1f378a-ad19-4834-892f-014795d87ff9.png?v=1791724854 Empagliflozin impurity 193, 94.50% Empagliflozin impurity 193|C4X-1065193 https://www.jk-sci.com/products/s57c4x-106523 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ed32baf6dbe701094b0aa94d670cbde.jpg?v=1791724821 Empagliflozin Impurity 23, 95.30% | 2452301-27-6 Empagliflozin Impurity 23|C4X-106523|2452301-27-6 https://www.jk-sci.com/products/j5300436 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a6230370215d65eaec596a1a9dd6024.jpg?v=1791422987 L-Tyrosine disodium salt dihydrate, Assay by titration ≥ 99% (Dried basis) | 122666-87-9 L-Tyrosine disodium salt dihydrate|00436|122666-87-9 https://www.jk-sci.com/products/a01126290 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126290.png?v=1788002291 2-Hydroxyfluorene, 97% | 2443-58-5 2-Hydroxyfluorene, 97%|126290|2443-58-5 https://www.jk-sci.com/products/j5300011 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6972a13e87f226592ced70f30da8cd14.jpg?v=1791423650 Adenosine-5'-diphosphate trilithium salt, Purity by HPLC ≥ 99% || Purity by UV ≥ 99% (on dry basis) | 31008-64-7 Adenosine-5'-diphosphate trilithium salt|00011|31008-64-7 https://www.jk-sci.com/products/j5300502 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35a9ad191350726222a01eb262b381ee.jpg?v=1791422914 Inosine-5'-monophosphate disodium salt hydrate, Purity ≥ 98% | 4691-65-0 Inosine-5'-monophosphate disodium salt hydrate|00502|4691-65-0 https://www.jk-sci.com/products/s57c4x-1065217 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7703092a-c201-48dd-906f-7eeea3f15b82.png?v=1791724827 Empagliflozin Impurity 217, 94.50% Empagliflozin Impurity 217|C4X-1065217 https://www.jk-sci.com/products/j5300477 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/929506fb3e164086941c59cad39be294.jpg?v=1791422950 Benzoic acid | 65-85-0 Benzoic acid|00477|65-85-0 https://www.jk-sci.com/products/j5300064 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bccd3846cdaeccabec90cb22d369697.jpg?v=1791423572 2-Chlorobenzyl alcohol, Purity ≥ 99% | 17849-38-6 2-Chlorobenzyl alcohol|00064|17849-38-6 https://www.jk-sci.com/products/s57c4x-1065214 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9f3e3bde0db0996a37c127655b7444cc.jpg?v=1791724843 Empagliflozin impurity 214, 99.80% | 2819995-58-7 Empagliflozin impurity 214|C4X-1065214|2819995-58-7 https://www.jk-sci.com/products/s57c4x-106520 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55ba31e71db8b7ad05edd14d10cb0e1d.jpg?v=1791724841 Empagliflozin R-Furanoes, 96.50% | 1620758-31-7 Empagliflozin R-Furanoes|C4X-106520|1620758-31-7 https://www.jk-sci.com/products/a01126484 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/335763.png?v=1790216638 2-Amino-5-iodopyridine, 98% | 20511-12-0 2-Amino-5-iodopyridine, 98%|126484|20511-12-0 https://www.jk-sci.com/products/j5300091 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/636826b57a76618e8e9ac3b057660899.jpg?v=1791423526 Cytidine-5'-monophosphate, free acid, Assay ≥ 97% || Purity by HPLC ≥ 98% || Purity by UV ≥ 98% | 63-37-6 Cytidine-5'-monophosphate, free acid|00091|63-37-6 https://www.jk-sci.com/products/j5300156 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288a575ed16a0f7f072ae5e95f71900e.jpg?v=1791423413 D-Glutamine, Assay 99 - 101% | 5959-95-5 D-Glutamine|00156|5959-95-5 https://www.jk-sci.com/products/a011266010 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1266010.png?v=1788932269 5-Maleimidovalericacid-NHS, 97% | 103750-03-4 5-Maleimidovalericacid-NHS, 97%|1266010|103750-03-4 https://www.jk-sci.com/products/a011274804 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2576cac8f213ef586f3e704fb6e46a2a.jpg?v=1790216612 3,6-Diphenylcarbazole, 99% | 56525-79-2 3,6-Diphenylcarbazole, 99%|1274804|56525-79-2 https://www.jk-sci.com/products/s57c4x-106527 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f764aba5-6131-4c96-abd2-f6f8121fdfd9.png?v=1791724817 Empagliflozin Impurity 27, 95.70% Empagliflozin Impurity 27|C4X-106527 https://www.jk-sci.com/products/s57c4x-1065280 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b9229fda5cb5ea37a671cf94840ce96.jpg?v=1791724811 Empagliflozin Impurity 280, 93.50% | 2562349-63-5 Empagliflozin Impurity 280|C4X-1065280|2562349-63-5 https://www.jk-sci.com/products/j5300189 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3efa3d43e17a9bd0e1f09f9381f3f959.jpg?v=1791423340 3-Indoxyl phosphate disodium salt, Assay ≥ 98% | 3318-43-2 3-Indoxyl phosphate disodium salt|00189|3318-43-2 https://www.jk-sci.com/products/j5300250 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4d4d497f35403963e4aca5ed303c2c5.jpg?v=1791423230 Piperazine-N,N'-bis(2-hydroxypropane-sulfonic acid) dihydrate, Assay ≥ 98% | 68189-43-5 Piperazine-N,N'-bis(2-hydroxypropane-sulfonic acid) dihydrate|00250|68189-43-5 https://www.jk-sci.com/products/s57c4x-106537 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c06e4c5ce254566c38d1356fec05f700.jpg?v=1791724807 Empagliflozin Impurity 37, 98.20% | 2452301-30-1 Empagliflozin Impurity 37|C4X-106537|2452301-30-1 https://www.jk-sci.com/products/j5300348 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/010a658365a05760454610e2937892a6.jpg?v=1791423088 Guanosine-5'-triphosphate disodium salt, Purity by HPLC ≥ 90% | 56001-37-7 Guanosine-5'-triphosphate disodium salt|00348|56001-37-7 https://www.jk-sci.com/products/a01224893 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/224893.png?v=1790213618 1-Bromonaphthalene, 99% | 90-11-9 1-Bromonaphthalene, 99%|224893|90-11-9 https://www.jk-sci.com/products/j5300459 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b82cccc9a0547f46628797af6679954b.jpg?v=1791422965 N-tris(Hydroxymethyl)methylglycine, Assay by titration ≥ 99% (anhydrous basis) | 5704-04-1 N-tris(Hydroxymethyl)methylglycine|00459|5704-04-1 https://www.jk-sci.com/products/j5300409 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3c9a364c67b8e3a096970e2c6e94503.jpg?v=1791423014 2'-Deoxyuridine-5'-triphosphate sodium salt, Purity by HPLC ≥ 98% | 102814-08-4 2'-Deoxyuridine-5'-triphosphate sodium salt|00409|102814-08-4 https://www.jk-sci.com/products/j5300568 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b373d4ef252f025b8ba31f7b0778c50c.jpg?v=1791422856 Uridine-5'-monophosphate, Purity by HPLC ≥ 99% | 58-97-9 Uridine-5'-monophosphate|00568|58-97-9 https://www.jk-sci.com/products/j5300552 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1a9efcc990ad3ea77c6b744ae48c9e95.jpg?v=1791422868 Kainic acid monohydrate | 58002-62-3 Kainic acid monohydrate|00552|58002-62-3 https://www.jk-sci.com/products/s57c4x-106547 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9c11feb237566d555c4e3bd33e0f19b_67636954-1c03-4ee5-9d12-e978408826dd.jpg?v=1791724802 Empagliflozin Impurity 47, 97.80% | 915095-99-7 Empagliflozin Impurity 47|C4X-106547|915095-99-7 https://www.jk-sci.com/products/a01225339 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225339.png?v=1790213580 Flonicamid, 95%, reference material | 158062-67-0 Flonicamid, 95%, reference material|225339|158062-67-0 https://www.jk-sci.com/products/j5300664 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/faab8ed7afc454674425dbdb9c2acab4.jpg?v=1791422753 5-Fluorouridine, Purity by HPLC ≥ 99% | 316-46-1 5-Fluorouridine|00664|316-46-1 https://www.jk-sci.com/products/a01225551 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/225551.png?v=1788926769 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b7f3e309135dadd4dc9e49806bc2202_bf26a052-562c-4b2a-a04e-b8d4980df0f2.jpg?v=1791724796 Empagliflozin Impurity 50, 100.00% | 915095-94-2 Empagliflozin Impurity 50|C4X-106550|915095-94-2 https://www.jk-sci.com/products/j5300678 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/211adb61f4585dd883597b1b7ebcb406.jpg?v=1791422736 Mercury(II) sulfate, Assay by titration ≥ 98% | 7783-35-9 Mercury(II) sulfate|00678|7783-35-9 https://www.jk-sci.com/products/j5300709 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88a6824827048f18664b7d720e71835c.jpg?v=1791422716 Silica gel 60, for Column chromatography, Mesh Size 0.063-0.200 mm (70-230 mesh ASTM) | 63231-67-4 Silica gel 60, for Column chromatography|00709|63231-67-4 https://www.jk-sci.com/products/a01225949 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/102517_aeb2003a-1288-4d62-9cd6-01360776b315.png?v=1790213563 Isonicotinic acid hydrazide, 99% | 54-85-3 Isonicotinic acid hydrazide, 99%|225949|54-85-3 https://www.jk-sci.com/products/j5300755 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5483d962a583950d5b7048d80243c199.jpg?v=1791422677 Methyl alcohol, Purity by GC ≥ 99% | 67-56-1 Methyl alcohol|00755|67-56-1 https://www.jk-sci.com/products/s57c4x-106576 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0ed89453-70a0-4ca5-9e35-e999e7b6280d.png?v=1791724789 Empagliflozin Impurity 76, 98.40% Empagliflozin Impurity 76|C4X-106576 https://www.jk-sci.com/products/j5300854 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/01a6af8d16f333412f831267b15043cd.jpg?v=1791422532 Na-Boc-Ne-2-chloro-Z-D-lysine, Purity by HPLC ≥ 98% | 57096-11-4 Na-Boc-Ne-2-chloro-Z-D-lysine|00854|57096-11-4 https://www.jk-sci.com/products/a01227122 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227122.png?v=1790340221 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/862129481dfadb711d86fe9c021be6f8.jpg?v=1791423551 Colistin methanesulfonate sodium salt | 8068-28-8 Colistin methanesulfonate sodium salt|00079|8068-28-8 https://www.jk-sci.com/products/j5300171 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3f7186a2016b2b23b391d2c53dc2786.jpg?v=1791423374 Guanine hydrochloride, Purity by HPLC ≥ 99% | 635-39-2 Guanine hydrochloride|00171|635-39-2 https://www.jk-sci.com/products/j5300284 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc62c54e41e3f7f4442b91e4287b5433.jpg?v=1791423173 Thiourea, Assay ≥ 99% | 62-56-6 Thiourea|00284|62-56-6 https://www.jk-sci.com/products/j5300432 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39a86e272078889ec364320684e6c2ef.jpg?v=1791422992 3-Methoxyphenol, Purity by HPLC ≥ 98% | 150-19-6 3-Methoxyphenol|00432|150-19-6 https://www.jk-sci.com/products/j5300589 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/57720d59d2d957d647477bb4e1c86942.jpg?v=1791422837 Chromotrope 2R, Dye content ≥ 77% (Spectrophotometry) | 4197-07-3 Chromotrope 2R|00589|4197-07-3 https://www.jk-sci.com/products/j5300504 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb532028942c6a44e23812506a26dc34.jpg?v=1791422913 Dichloroacetic acid, Assay by titration ≥ 99% || Purity by GC ≥ 98% | 79-43-6 Dichloroacetic acid|00504|79-43-6 https://www.jk-sci.com/products/s57c4x-106591 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/126a57f8dca741a05e2ad34862d3c3e9.jpg?v=1791724785 Empagliflozin Impurity 91, 99.30% | 915095-86-2 Empagliflozin Impurity 91|C4X-106591|915095-86-2 https://www.jk-sci.com/products/j5300698 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52c6bf8f8043e9495d71bd45b3dd7167.jpg?v=1791422724 Pentafluoropropionic acid, Purity by GC ≥ 99.5% | 422-64-0 Pentafluoropropionic acid|00698|422-64-0 https://www.jk-sci.com/products/j5301152 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c104cb179a7528d16a8eb453ae4b0c22.jpg?v=1791422412 N-(2-Acetamido)-2-iminodiacetic acid monosodium salt, Assay ≥ 99% | 7415-22-7 N-(2-Acetamido)-2-iminodiacetic acid monosodium salt|01152|7415-22-7 https://www.jk-sci.com/products/s57c4x-10671 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617716.png?v=1791724781 Levetiracetam impurity A, 99.40% | 102849-49-0 Levetiracetam impurity A|C4X-10671|102849-49-0 https://www.jk-sci.com/products/j5300756 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a65f5836b79600dfbef3f60376386cca.jpg?v=1791422676 Penicillin G potassium salt, Purity by HPLC 96 - 102% | 113-98-4 Penicillin G potassium salt|00756|113-98-4 https://www.jk-sci.com/products/j5301324 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4564d36b064f59e5674f0cd556b64b3e.jpg?v=1791422180 Boc-b-cyclohexyl-L-alanine, Purity by HPLC ? 99% | 37736-82-6 Boc-b-cyclohexyl-L-alanine|01324|37736-82-6 https://www.jk-sci.com/products/j5301333 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d1cc5b651fa36fa05db0576be0f99ca.jpg?v=1791422166 Na-Boc-Nw-nitro-D-arginine, Purity by HPLC ≥ 99% | 50913-12-7 Na-Boc-Nw-nitro-D-arginine|01333|50913-12-7 https://www.jk-sci.com/products/j5301234 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a5eba58a380bea1a8974f4039a9b16c.jpg?v=1791422310 Hexamethylenetetramine, Purity 99 - 100% | 100-97-0 Hexamethylenetetramine|01234|100-97-0 https://www.jk-sci.com/products/j5301252 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fb0b9575ff59d1fdfa2ee3f3ae8f2be_3ef93a1a-fa13-40b1-9b29-0a68799be051.jpg?v=1791422268 Potassium oxalate monohydrate, Assay by titration 98.5-101.0% | 6487-48-5 Potassium oxalate monohydrate|01252|6487-48-5 https://www.jk-sci.com/products/j5301187 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4bddd073a0222e267b40a9c1d31b742d.jpg?v=1791422380 3-N-Morpholinopropanesulfonic acid hemisodium salt, Assay by titration ≥ 99% | 117961-20-3 3-N-Morpholinopropanesulfonic acid hemisodium salt|01187|117961-20-3 https://www.jk-sci.com/products/j5301245 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dbe726b4cccfe8fd9c8c55bfe3a888c4.jpg?v=1791422290 Potassium bromide, Assay by titration ? 99% | 7758-02-3 Potassium bromide|01245|7758-02-3 https://www.jk-sci.com/products/j5300029 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/367d65ae6e97724529c4e3ac094b34f4_10a8b9b9-a700-4fa8-88a7-8143ac6334c7.jpg?v=1791423620 Bacitracin from Bacillus licheniformis | 1405-87-4 Bacitracin from Bacillus licheniformis|00029|1405-87-4 https://www.jk-sci.com/products/j5301343 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afab8dc76588b4350dbafb24cbb879e6.jpg?v=1791422148 Boc-S-trityl-L-cysteine, Purity by HPLC ? 99% | 21947-98-8 Boc-S-trityl-L-cysteine|01343|21947-98-8 https://www.jk-sci.com/products/j5300226 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c9749317974ce6dfe70065698965fc9.jpg?v=1791423267 4-Nitrophenyl-b-D-galactopyranoside, Purity by HPLC ? 99% | 3150-24-1 4-Nitrophenyl-b-D-galactopyranoside|00226|3150-24-1 https://www.jk-sci.com/products/s57c4x-106713 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/371cd5830eba0937644b608e437d1e1a.jpg?v=1791724775 Levetiracetam Related Compound A, 92.90% | 102767-31-7 Levetiracetam Related Compound A|C4X-106713|102767-31-7 https://www.jk-sci.com/products/a01227296 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/227296.png?v=1788926689 1-Benzhydryl-3-azetidinone, 97% | 40320-60-3 1-Benzhydryl-3-azetidinone, 97%|227296|40320-60-3 https://www.jk-sci.com/products/j5300500 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/876d913306d6dc47c8c9cb8eecac9727.jpg?v=1791422920 Catechol white powder, Assay ≥ 99% | 120-80-9 Catechol white powder|00500|120-80-9 https://www.jk-sci.com/products/j5300666 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7c80137dd1c5fadcaa4e987a06d4a1a.jpg?v=1791422751 Ethidium bromide, Purity by HPLC ≥ 99% | 1239-45-8 Ethidium bromide|00666|1239-45-8 https://www.jk-sci.com/products/j5300946 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/168c044990d1f4fdf1b8c9b634b7bc73.jpg?v=1791422443 Biotin-N-hydroxysuccinimide, Purity by HPLC ? 99% | 35013-72-0 Biotin-N-hydroxysuccinimide|00946|35013-72-0 https://www.jk-sci.com/products/j5301209 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7339b23954437fb7dd20914e215dccc1.jpg?v=1791422351 Ammonium fluoride, Assay by titration ≥ 98.0% | 12125-01-8 Ammonium fluoride|01209|12125-01-8 https://www.jk-sci.com/products/j5301251 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04c173bcf745c5a7928fef2fa8f85b74.jpg?v=1791422268 Potassium nitrate, Assay by titration ≥ 99% | 7757-79-1 Potassium nitrate|01251|7757-79-1 https://www.jk-sci.com/products/j5301330 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d65305be17579478bbad3255bf77c58f.jpg?v=1791422172 Na-Boc-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine, Purity by HPLC ≥ 98% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7dc69d2a14582178677bc3469e1612fc.jpg?v=1791422089 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d50c27880671e89a1af67fa85b28979a.jpg?v=1791421996 Choline dihydrogencitrate salt, Assay by titration ≥ 99% (on dry basis) | 77-91-8 Choline dihydrogencitrate salt|01440|77-91-8 https://www.jk-sci.com/products/j5301467 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c8cf62e80e9494ffdbd80db8ef9e538.jpg?v=1791421953 (±)-Abscisic acid, Purity by HPLC ≥ 95% | 14375-45-2 (±)-Abscisic acid|01467|14375-45-2 https://www.jk-sci.com/products/j5301552 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd2a7cc983663ed005720497a383fb9f.jpg?v=1791421815 4-Methylumbelliferyl caprylate, Purity by HPLC ≥ 98% | 20671-66-3 4-Methylumbelliferyl caprylate|01552|20671-66-3 https://www.jk-sci.com/products/s57c4x-106715 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/279957.png?v=1791724765 Levetiracetam Racemate, 92.40% | 33996-58-6 Levetiracetam Racemate|C4X-106715|33996-58-6 https://www.jk-sci.com/products/j5301592 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54623b0c70dba4d86ee4339a55444a50.jpg?v=1791421768 Cephalexin hydrate | 15686-71-2 Cephalexin hydrate|01592|15686-71-2 https://www.jk-sci.com/products/s57c4x-10672 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc2789aef13fcce764e03c602d415e1.jpg?v=1791724765 Levetiracetam EP Impurity B, 97.10% | 358629-47-7 Levetiracetam EP Impurity B|C4X-10672|358629-47-7 https://www.jk-sci.com/products/j5300137 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d72a2edad0d4ae5072ebc47df3750ff.jpg?v=1791423459 2'-Deoxyuridine-5'-monophosphate disodium salt, Purity by HPLC ≥ 99% || Purity by UV ≥ 99% (Dry basis) | 42155-08-8 2'-Deoxyuridine-5'-monophosphate disodium salt|00137|42155-08-8 https://www.jk-sci.com/products/j5301348 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae3ab730ccb1a29636a705768200a367.jpg?v=1791422138 Boc-L-glutamic acid-a-benzyl ester, Purity by HPLC ≥ 98% | 30924-93-7 Boc-L-glutamic acid-a-benzyl ester|01348|30924-93-7 https://www.jk-sci.com/products/j5301172 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72a0f79f46066d6d5dbb2505b3bfa7fd.jpg?v=1791422393 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid hemisodium salt, Assay ≥ 99% | 103404-87-1 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid hemisodium salt|01172|103404-87-1 https://www.jk-sci.com/products/j5301314 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7ec14d09654e82ecfaddcf67091b12.jpg?v=1791422202 L-2,3-Diaminopropionic acid hydrochloride, Assay by titration ≥ 98% | 1482-97-9 L-2,3-Diaminopropionic acid hydrochloride|01314|1482-97-9 https://www.jk-sci.com/products/j5300563 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d3d3b749-5181-40ca-a417-2ef2e6ab2290.png?v=1791422858 Albumin protease free (from bovine blood), Purity 99 - 100% (Agarose) | 68551-06-4 Albumin protease free (from bovine blood)|00563|68551-06-4 https://www.jk-sci.com/products/s57c4x-106725 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cf4cd108ea7ae2c45b163995e40fc36.jpg?v=1791724754 Levetiracetam Impurities 25, 97.10% | 263552-76-7 Levetiracetam Impurities 25|C4X-106725|263552-76-7 https://www.jk-sci.com/products/s57c4x-10673 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/148155_bc4fe711-9bbf-44f8-93cf-7a4aca68b91d.png?v=1791724755 Levetiracetam EP Impurity C, 98.90% | 142-08-5 Levetiracetam EP Impurity C|C4X-10673|142-08-5 https://www.jk-sci.com/products/a01227456 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404578.png?v=1788926678 5-Chlorobenzothiophene, 98% | 20532-33-6 5-Chlorobenzothiophene, 98%|227456|20532-33-6 https://www.jk-sci.com/products/j5301443 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40c2e0686471ccfae554c0e421003153.jpg?v=1791421990 Copper(II) sulfate pentahydrate, Assay by titration 98 - 102% | 7758-99-8 Copper(II) sulfate pentahydrate|01443|7758-99-8 https://www.jk-sci.com/products/j5301681 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b14ad41a43147c01dd1088717119dae.jpg?v=1791421674 2-Bromoacetophenone, Purity by GC ≥ 98% | 70-11-1 2-Bromoacetophenone|01681|70-11-1 https://www.jk-sci.com/products/j5301639 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cc5bb6810cf2fce6cff3ad3e0cc68e5.jpg?v=1791421702 Na-Boc-Nd-2-chloro-Z-L-ornithine, Purity by HPLC ≥ 99% | 118554-00-0 Na-Boc-Nd-2-chloro-Z-L-ornithine|01639|118554-00-0 https://www.jk-sci.com/products/j5301575 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3dccc07fbaa136dc02a7fb32d726c24.jpg?v=1791421794 1,5-Pentanediol, Purity by GC ≥ 98% | 111-29-5 1,5-Pentanediol|01575|111-29-5 https://www.jk-sci.com/products/s57c4x-106733 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5460592928c1d2aa70139a2750b5915.jpg?v=1791724741 Levetiracetam Impurity 33, 98.20% | 2245069-23-0 Levetiracetam Impurity 33|C4X-106733|2245069-23-0 https://www.jk-sci.com/products/j5301707 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28b067d91448a736ee6b093637c287a6.jpg?v=1791421649 Tylosin tartrate | 74610-55-2 Tylosin tartrate|01707|74610-55-2 https://www.jk-sci.com/products/a01227500 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/419625.png?v=1788926681 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a44e26229e45718b0ccd52491af8df92.jpg?v=1791421633 Thymol, Assay ≥ 99% | 89-83-8 Thymol|01724|89-83-8 https://www.jk-sci.com/products/j5301776 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5614a1719acec1f93228b82590b6e6af.jpg?v=1791421594 3-Amino-9-ethylcarbazole, Purity by HPLC ≥ 97% | 132-32-1 3-Amino-9-ethylcarbazole|01776|132-32-1 https://www.jk-sci.com/products/a01227561 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/533681.png?v=1790213514 4-tert-Butylbenzeneboronic acid, 98% | 123324-71-0 4-tert-Butylbenzeneboronic acid, 98%|227561|123324-71-0 https://www.jk-sci.com/products/a01227784 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/588657.png?v=1788926655 N-(Benzyloxycarbonyloxy)succinimide, 99% | 13139-17-8 N-(Benzyloxycarbonyloxy)succinimide, 99%|227784|13139-17-8 https://www.jk-sci.com/products/a01227972 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/156096.png?v=1788926645 2,4-Thiazolidinedione, 99% | 2295-31-0 2,4-Thiazolidinedione, 99%|227972|2295-31-0 https://www.jk-sci.com/products/j5301782 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30dec64518384e63e88b4e9029f0e05d.jpg?v=1791421585 4-Chloro-1-naphthol, Purity ≥ 95% (NMR) | 604-44-4 4-Chloro-1-naphthol|01782|604-44-4 https://www.jk-sci.com/products/j5301815 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d409f6cca42b3ab1580c27e996e1d2bb_99ab5afe-66d0-4185-af17-f15485be19f0.jpg?v=1791421547 Polystyrene resin, Mesh Size 100-200 mesh (Microscopic method) | 9003-70-7 Polystyrene resin|01815|9003-70-7 https://www.jk-sci.com/products/a01228385 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228385.png?v=1788926635 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2bbfe7d6ac6bc5e9f8e2a04fb88bb7dc.jpg?v=1791421531 Linolenic acid, Purity by GC ≥ 99% | 463-40-1 Linolenic acid|01847|463-40-1 https://www.jk-sci.com/products/j5301864 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d04c0ba769fe1be3909949927fe429b.jpg?v=1791421519 Decanoyl-L-carnitine chloride | 14919-36-9 Decanoyl-L-carnitine chloride|01864|14919-36-9 https://www.jk-sci.com/products/j5301871 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fbb788b9612a0440eb906d6f4b52c57f.jpg?v=1791421510 Palmitoyl-L-carnitine chloride | 18877-64-0 Palmitoyl-L-carnitine chloride|01871|18877-64-0 https://www.jk-sci.com/products/a012284000 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/106c446333f2bca32807ede3ae25833e.jpg?v=1787995999 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/385c8322c9dc9668a5b13ae64a302d66.jpg?v=1791421511 Stearoyl-L-carnitine chloride | 32350-57-5 Stearoyl-L-carnitine chloride|01874|32350-57-5 https://www.jk-sci.com/products/s57c4x-106824 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302dda6358e14c9bb3b379b005e2e2e3.jpg?v=1791724725 Imatinib Impurity 24, Purity: 98.3% | 404844-11-7 Imatinib Impurity 24|C4X-106824|404844-11-7 https://www.jk-sci.com/products/a019363615 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3474544559958d0bd0a63d03e7a3192c.jpg?v=1787978205 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350348_be290f36-2213-41d5-bdec-0d9318f1573d.png?v=1791724713 Imatinib Impurity 61, 98.80% | 62-50-0 Imatinib Impurity 61|C4X-106861|62-50-0 https://www.jk-sci.com/products/s57c4x-106854 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593705.png?v=1791724720 Imatinib Impurity 54, 95.50% | 109-01-3 Imatinib Impurity 54|C4X-106854|109-01-3 https://www.jk-sci.com/products/a01936451 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/796041_32a2536d-d81b-41f6-9b2e-04a973ec0add.png?v=1790206052 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff808801547776bfd2a77db289ee5cff.jpg?v=1791421444 2-Cyanoethylphosphorodichloridite, Purity ≥ 89% (31P NMR) | 76101-30-9 2-Cyanoethylphosphorodichloridite|01928|76101-30-9 https://www.jk-sci.com/products/s57c4x-1069111 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcbe68d9c6bef3596befd082c2294246.jpg?v=1791724707 Erlotinib-d6 HCl, Purity>95% | 1189953-78-3 Erlotinib-d6 HCl|C4X-1069111|1189953-78-3 https://www.jk-sci.com/products/j5300378 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a95d60f8-f677-4fa1-8413-abe4a64979ec.png?v=1791423041 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383394_6458660e-0131-4cd5-9876-f1074bf6eae7.png?v=1791724707 Erlotinib Impurity 114, Purity: 96.8% | 14235-81-5 Erlotinib Impurity 114|C4X-1069114|14235-81-5 https://www.jk-sci.com/products/j5301961 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32d822d4e83ecc981d812c921c78d736.jpg?v=1791421392 Chloramphenicol palmitate, Assay by titration 98 - 102% (On dry basis) | 530-43-8 Chloramphenicol palmitate|01961|530-43-8 https://www.jk-sci.com/products/j5301944 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca5edfe128c3b9ce4bd3367bd7bece59.jpg?v=1791421421 Thallium(I) acetate, Assay ≥ 99% | 563-68-8 Thallium(I) acetate|01944|563-68-8 https://www.jk-sci.com/products/s57c4x-1069117 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/616685_9211a976-dbc3-4ff7-b4bd-4572e139f488.png?v=1791724701 Erlotinib Impurity 117, 99.20% | 139-85-5 Erlotinib Impurity 117|C4X-1069117|139-85-5 https://www.jk-sci.com/products/j5301244 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50c87396aa255618f72e979e661cfa45.jpg?v=1791422290 Potassium bicarbonate, Assay 99.5 - 101.5% (on dried basis) | 298-14-6 Potassium bicarbonate|01244|298-14-6 https://www.jk-sci.com/products/j5301388 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/228d6e851722b37eadd2ae3dc88aa2e8.jpg?v=1791422072 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329746.png?v=1791724692 ErlotiniB impurity 25, 99.80% | 179688-29-0 ErlotiniB impurity 25|C4X-106925|179688-29-0 https://www.jk-sci.com/products/s57c4x-1069126 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96adc049ce400aa0e35158491995a741.jpg?v=1791724695 Erlotinib impurity 126, Purity: 98.3% | 183320-00-5 Erlotinib impurity 126|C4X-1069126|183320-00-5 https://www.jk-sci.com/products/j5301606 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bad83a85b232feecc9e566066940836.jpg?v=1791421749 Fuchsin Acid Certified, Purity ≥ 90% | 3244-88-0 Fuchsin Acid Certified|01606|3244-88-0 https://www.jk-sci.com/products/j5301666 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fd3117bc2632bb595b3b8bc8927630f.jpg?v=1791421684 Z-L-alanine-N-hydroxysuccinimide ester, Purity by HPLC ≥ 95% | 3401-36-3 Z-L-alanine-N-hydroxysuccinimide ester|01666|3401-36-3 https://www.jk-sci.com/products/j5301713 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa919f68308c2d7a1db08b46738c6b55.jpg?v=1791421644 L-Proline-b-naphthylamide hydrochloride, Assay by titration ≥ 99% | 97216-16-5 L-Proline-b-naphthylamide hydrochloride|01713|97216-16-5 https://www.jk-sci.com/products/s57c4x-107013 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a206e56983caf4f9f49abff75f83a45.jpg?v=1791724680 Abiraterone Impurity 13, 98.70% | 154229-20-6 Abiraterone Impurity 13|C4X-107013|154229-20-6 https://www.jk-sci.com/products/s57c4x-106984 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4342402bcbabf6eba4084a26dd22bdfa.jpg?v=1791724691 Erlotinib Impurity 84, 97.00% | 16064-15-6 Erlotinib Impurity 84|C4X-106984|16064-15-6 https://www.jk-sci.com/products/s57c4x-107034 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/779ce08a3a65db740f3113e52c521d86.jpg?v=1791724670 Abiraterone Impurity 34, Purity: 99.5% | 571-44-8 Abiraterone Impurity 34|C4X-107034|571-44-8 https://www.jk-sci.com/products/s57c4x-107023 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a52a2775ffb38cdb928813dcc84b98b.jpg?v=1791724676 Abiraterone-d4, Purity: 99.8% | 2122245-62-7 Abiraterone-d4|C4X-107023|2122245-62-7 https://www.jk-sci.com/products/j5301778 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac2caf7fb1a98a3f797a9bff00847a6a.jpg?v=1791421588 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edf5a0f8f6ce863bf6a6b5fd06f4f33e.jpg?v=1791421536 Deoxyribonucleic acid sodium salt (from salmon milt, Onchorhynchus keta), Assay ≥ 90% (UV / STS Method) | 9007-49-2 Deoxyribonucleic acid sodium salt (from salmon milt, Onchorhynchus keta)|01842|9007-49-2 https://www.jk-sci.com/products/j5301991 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38d77e37dad44ca7f695fbc340ed9c00.jpg?v=1791421337 Boc-S-4-methylbenzyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Boc-S-4-methylbenzyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin|01991 https://www.jk-sci.com/products/j5301867 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efdac1838c609b9d757e5810522deb99.jpg?v=1791421515 Linoleoyl-L-carnitine chloride Linoleoyl-L-carnitine chloride|01867 https://www.jk-sci.com/products/j5301883 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d742fb38753657f151b562a4d14a1bb.jpg?v=1791421505 Decanoyl coenzyme A monohydrate | 1264-57-9 Decanoyl coenzyme A monohydrate|01883|1264-57-9 https://www.jk-sci.com/products/s57c4x-10705 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f9901c0eea9edd771b6824653ec00fc.jpg?v=1791724670 Abiraterone Impurity 5, 99.20% | 2484719-11-9 Abiraterone Impurity 5|C4X-10705|2484719-11-9 https://www.jk-sci.com/products/j5301981 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7feaae76edb7824f2738821e8afe150b.jpg?v=1791421358 Na-Boc-Nw-mesitylene-2-sulfonyl-L-arginine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-Nw-mesitylene-2-sulfonyl-L-arginine 4-oxymethylphenylacetamidomethyl resin|01981 https://www.jk-sci.com/products/s57c4x-107056 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/846882ccd9cbd8ffff378c1bdfe0bdba.jpg?v=1791724663 Abiraterone Impurity 56, 94.90% | 500019-37-4 Abiraterone Impurity 56|C4X-107056|500019-37-4 https://www.jk-sci.com/products/j5301948 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e68e136862c3c911699b10cba16972d6.jpg?v=1791421411 Palladium on Barium sulfate, Purity ~ 5% (Pd content) | 7440-05-3 Palladium on Barium sulfate|01948|7440-05-3 https://www.jk-sci.com/products/j5301988 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a96af16d5642f469e7639d0fd80d036.jpg?v=1791421348 Boc-L-aspartic acid b-cyclohexyl ester 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-L-aspartic acid b-cyclohexyl ester 4-oxymethylphenylacetamidomethyl resin|01988 https://www.jk-sci.com/products/s57c4x-10706 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31d6921c9fb455334b3328f6516e65fd.jpg?v=1791724659 Abiraterone Impurity 6, 97.30% | 2410075-48-6 Abiraterone Impurity 6|C4X-10706|2410075-48-6 https://www.jk-sci.com/products/j5301985 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a520ee74b5a019c9587f60cc1e969d2.jpg?v=1791421347 Na-Boc-D-asparagine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-D-asparagine 4-oxymethylphenylacetamidomethyl resin|01985 https://www.jk-sci.com/products/s57c4x-10711 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576de6aa3e55c2d7055c8b91e6f08f2a.jpg?v=1791724654 Axitinib Impurity 1, 93.90% | 1347304-18-0 Axitinib Impurity 1|C4X-10711|1347304-18-0 https://www.jk-sci.com/products/j5301998 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f25f334bb56d55680d7bf2b653d20239.jpg?v=1791421327 Boc-L-glycine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.60-0.85 meq/g Boc-L-glycine 4-oxymethylphenylacetamidomethyl resin|01998 https://www.jk-sci.com/products/j5301993 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b99cd206cbae3060a21a30a8d030880d.jpg?v=1791421333 Boc-L-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-L-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin|01993 https://www.jk-sci.com/products/a01937263 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338967_cd43c9de-b40d-454f-bb82-2628ec04bb6e.png?v=1790206042 1-Fluoro-3-iodobenzene,, 99% | 1121-86-4 1-Fluoro-3-iodobenzene,, 99%|937263|1121-86-4 https://www.jk-sci.com/products/j5302154 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9561d6b2471fb4c3c7865e2e051309d.jpg?v=1791421169 Z-S-4-methoxybenzyl-L-cysteine, Purity by HPLC ≥ 98% | 3081-32-1 Z-S-4-methoxybenzyl-L-cysteine|02154|3081-32-1 https://www.jk-sci.com/products/j5302060 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c32e9a1c7cf0253562c23e39257b2687.jpg?v=1791421258 N4-Isobutyryldeoxycytidine, Purity ≥ 99% | 110522-75-3 N4-Isobutyryldeoxycytidine|02060|110522-75-3 https://www.jk-sci.com/products/a01937522 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/397830.png?v=1788913697 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/542115.png?v=1790206044 1,5-Diaminoanthraquinone, 85% | 129-44-2 1,5-Diaminoanthraquinone, 85%|937273|129-44-2 https://www.jk-sci.com/products/j5302216 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d971162e4086cfe21830244addcf2fa.jpg?v=1791421090 Z-D-methionine, Purity by HPLC ≥ 99% | 28862-80-8 Z-D-methionine|02216|28862-80-8 https://www.jk-sci.com/products/ts246cs-0095263 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/313130.png?v=1791668517 Ethyl 6-ethoxy-4-hydroxyquinoline-3-carboxylate, 97% | 303121-08-6 Ethyl 6-ethoxy-4-hydroxyquinoline-3-carboxylate|CS-0095263|303121-08-6 https://www.jk-sci.com/products/s57c4x-107131 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fc4a401d-4e98-4536-ab93-639aaa440274.png?v=1791724637 Axitinib Impurity 31, 98.70% Axitinib Impurity 31|C4X-107131 https://www.jk-sci.com/products/j5302183 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ae3a549657388b6b84e2d532530dc2a.jpg?v=1791421137 Z-Gly-Pro-AMC, Assay ≥ 96% (Nth : 9.07% - Elemental analysis) | 68542-93-8 Z-Gly-Pro-AMC|02183|68542-93-8 https://www.jk-sci.com/products/j5302214 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66f722f769e4e7e1352acde54ab84b96.jpg?v=1791421090 Ne-Z-D-lysine methyl ester hydrochloride, Purity by HPLC ≥ 98% | 145586-17-0 Ne-Z-D-lysine methyl ester hydrochloride|02214|145586-17-0 https://www.jk-sci.com/products/j5302145 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9b091979fad255f32fb8a4e802363a8.jpg?v=1791421182 Na-Z-L-asparagine 2-nitrophenyl ester, Purity by HPLC ≥ 98% Na-Z-L-asparagine 2-nitrophenyl ester|02145 https://www.jk-sci.com/products/j5302158 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f44a8f4d22278b316e653a5bd72abd4.jpg?v=1791421164 Z-D-glutamine, Purity by HPLC ≥ 98% | 13139-52-1 Z-D-glutamine|02158|13139-52-1 https://www.jk-sci.com/products/j5302235 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07abc34855c0cdac21cdb05d33883312.jpg?v=1791421055 Z-Phe-Pro-OH, Purity by HPLC ≥ 98% | 7669-64-9 Z-Phe-Pro-OH|02235|7669-64-9 https://www.jk-sci.com/products/j5302205 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e622e46f16cae29367c6fb8091bf4ecd.jpg?v=1791421113 Na-Z-D-lysine, Purity by HPLC ≥ 98% | 70671-54-4 Na-Z-D-lysine|02205|70671-54-4 https://www.jk-sci.com/products/j5302138 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a526ef0b69296dbc337b2f5ee179c0be.jpg?v=1791421192 Na-Z-L-arginine-4-nitroanilide hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 59188-53-3 Na-Z-L-arginine-4-nitroanilide hydrochloride|02138|59188-53-3 https://www.jk-sci.com/products/s57c4x-107144 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_fd864cea-ca1e-458d-a716-ab3d1c3ce222.png?v=1791724621 Axitinib Impurity 44, Purity: 95.7% Axitinib Impurity 44|C4X-107144 https://www.jk-sci.com/products/s57c4x-10712 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73e62937ba8f78a4b242cfea5d76a488.jpg?v=1791724650 Axitinib Impurity 2, 94.70% | 1348536-59-3 Axitinib Impurity 2|C4X-10712|1348536-59-3 https://www.jk-sci.com/products/a01937805 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d38bb99cf2e9fb1e53a2ea7873e6a1c1_8e687a46-c707-4437-bc40-22e5bd4663ba.jpg?v=1790206026 Lithium carbonate, 99%, ACS reagent | 554-13-2 Lithium carbonate, 99%, ACS reagent|937805|554-13-2 https://www.jk-sci.com/products/j5302195 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3ec127a740491a287ef29342a0fc7a9.jpg?v=1791421124 Z-D-leucine (oil), Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 98% | 28862-79-5 Z-D-leucine (oil)|02195|28862-79-5 https://www.jk-sci.com/products/s57c4x-107127 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4c313313-a9e6-47cf-81dd-5a3d3684e513.png?v=1791724643 Axitinib Impurity 27, 98.40% Axitinib Impurity 27|C4X-107127 https://www.jk-sci.com/products/j5302106 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69d431c29ae1726db167f8a5911bc141.jpg?v=1791421235 Succinic anhydride, Assay ≥ 97% | 108-30-5 Succinic anhydride|02106|108-30-5 https://www.jk-sci.com/products/s57c4x-10714 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eecde1193020f5630ec2defce3c1e9bb.jpg?v=1791724628 Axitinib Impurity 4, 96.60% | 1443118-72-6 Axitinib Impurity 4|C4X-10714|1443118-72-6 https://www.jk-sci.com/products/j5302251 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6061077af9597c047d918a3020acaee7.jpg?v=1791421029 Z-L-serine benzyl ester, Purity by HPLC ≥ 98.5% | 21209-51-8 Z-L-serine benzyl ester|02251|21209-51-8 https://www.jk-sci.com/products/j5302181 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd5cb9e1c4adaae7d8a7687ed85557b3.jpg?v=1791421139 Z-Gly-Phe-OH, Purity by HPLC ≥ 95% | 1170-76-9 Z-Gly-Phe-OH|02181|1170-76-9 https://www.jk-sci.com/products/a019379627 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77273285f72d53d7ffb38049c295a672.jpg?v=1788913683 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24b7e6c60108d7e1457a0b91a74bf126.jpg?v=1791421855 Calciferol, Purity by HPLC 97.0-103.0% | 50-14-6 Calciferol|01529|50-14-6 https://www.jk-sci.com/products/j5300724 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2ab847a2e1b4d9261df20c86eaa7f13.jpg?v=1791422700 D-Threonine, allo-free, Assay ≥ 99% | 632-20-2 D-Threonine, allo-free|00724|632-20-2 https://www.jk-sci.com/products/j5301691 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5d0aad2d59fae294a18891755d24165.jpg?v=1791421670 5-Fluoroindole, Purity by HPLC ≥ 99% | 399-52-0 5-Fluoroindole|01691|399-52-0 https://www.jk-sci.com/products/j5301873 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ffa691023da27a5efd83548ce9f44ea.jpg?v=1791421510 Propionyl-L-carnitine chloride | 119793-66-7 Propionyl-L-carnitine chloride|01873|119793-66-7 https://www.jk-sci.com/products/j5301989 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99a28f24100870c4f2ceb65132efb82f.jpg?v=1791421342 Boc-S-acetamidomethyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-S-acetamidomethyl-L-cysteine 4-oxymethylphenylacetamidomethyl resin|01989 https://www.jk-sci.com/products/j5301813 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d43e3fb34d49ae1372fead8fbb3c44cf.jpg?v=1791421552 Chloromethylated polystyrene (0.8 - 1.4 meq/g, 200 - 400 mesh), Mesh Size 200-400 mesh || Substitution (meq/g) 0.8-1.4 meq/g | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73afaf128de195b690d7d386e9e88436.jpg?v=1787977988 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a027154c4dbef034311b9da4cc5c0346.jpg?v=1791421386 Boc-D-glutamic acid-a-benzyl ester, Assay by titration ≥ 99% || Chiral HPLC ≥ 99.7% (ee) || Purity by HPLC ≥ 99% | 34404-30-3 Boc-D-glutamic acid-a-benzyl ester|01962|34404-30-3 https://www.jk-sci.com/products/s57c4x-107147 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b2b63cc7d3addf4bc3d59ba32a80825.jpg?v=1791724618 Axitinib impurity 47, 91.00% | 1639137-80-6 Axitinib impurity 47|C4X-107147|1639137-80-6 https://www.jk-sci.com/products/j5301983 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e661fceb66ddf25f53c15e54ad0544c.jpg?v=1791421354 Na-Boc-Nw-(4-toluenesulfonyl)-D-arginine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-Nw-(4-toluenesulfonyl)-D-arginine 4-oxymethylphenylacetamidomethyl resin|01983 https://www.jk-sci.com/products/s57c4x-107151 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4107d542203b27413bc6351d9759aa02.jpg?v=1791724612 Axitinib Impurity 51, 98.60% | 1639138-00-3 Axitinib Impurity 51|C4X-107151|1639138-00-3 https://www.jk-sci.com/products/j5301994 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83e8441d8a73157b22606c50ee408ad0.jpg?v=1791421333 Boc-D-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.3 - 0.8 meq/g Boc-D-glutamic acid g-benzyl ester 4-oxymethylphenylacetamidomethyl resin|01994 https://www.jk-sci.com/products/s57c4x-10716 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2d3b221d42428ddd50a10a877d7cb79.jpg?v=1791724610 Axitinib Impurity 6, 98.40% | 1428728-83-9 Axitinib Impurity 6|C4X-10716|1428728-83-9 https://www.jk-sci.com/products/j5302045 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5637e53c99e4835c70bfd8e223cca1cc.jpg?v=1791421273 Anisole, Purity by GC ≥ 99.5% | 100-66-3 Anisole|02045|100-66-3 https://www.jk-sci.com/products/j5302263 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f21d6779c98901c1564dd60280bee7a5.jpg?v=1791421009 Na-Z-L-tryptophan 4-nitrophenyl ester, Purity by HPLC ≥ 97% | 16624-64-9 Na-Z-L-tryptophan 4-nitrophenyl ester|02263|16624-64-9 https://www.jk-sci.com/products/j5302120 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c957f5e25a53b77587bcc23ae3bb5f66.jpg?v=1791421214 Z-L-alanine 4-nitrophenyl ester, Purity by HPLC ≥ 99% | 1168-87-2 Z-L-alanine 4-nitrophenyl ester|02120|1168-87-2 https://www.jk-sci.com/products/j5302151 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6d4fab9fd30a15dd2411cf28a647a59.jpg?v=1791421172 Z-L-aspartic acid b-benzyl ester a-4-nitrophenyl ester, Purity by HPLC ≥ 97% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368b4510361ef3cf16fc580faaf6334d.jpg?v=1791421056 Z-Phe-Leu-OH, Purity by HPLC ≥ 98% | 4313-73-9 Z-Phe-Leu-OH|02233|4313-73-9 https://www.jk-sci.com/products/j5302188 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342da45f0258f968da30722618c18536.jpg?v=1791421134 Na-Nim-Bis-Z-L-histidine·Ethanol, Purity by HPLC ≥ 98% | 35016-67-2 Na-Nim-Bis-Z-L-histidine·Ethanol|02188|35016-67-2 https://www.jk-sci.com/products/j5302208 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca32650440eec58cb1575ee97214cf70.jpg?v=1791421107 Na-Z-L-lysine 4-nitrophenyl ester hydrochloride, Assay ≥ 98% (elemental analysis based on Carbon) | 2179-15-9 Na-Z-L-lysine 4-nitrophenyl ester hydrochloride|02208|2179-15-9 https://www.jk-sci.com/products/j5302173 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee37def47f7f6cfb0562ae9f44d59c6.jpg?v=1791421144 Z-Gly-Gly-OH, Purity by HPLC ≥ 97% | 2566-19-0 Z-Gly-Gly-OH|02173|2566-19-0 https://www.jk-sci.com/products/a01938025 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121784_7813eacf-00ba-4298-b0ce-8241d5bfa09c.png?v=1790206022 1-AminopyridiniumIodide, 98% | 6295-87-0 1-AminopyridiniumIodide, 98%|938025|6295-87-0 https://www.jk-sci.com/products/a019379858 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9943a04c587abe9bfce169a559c93a41.jpg?v=1787977988 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341631.png?v=1788913654 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a77130eebf9a1c4602dcc3e360515de.jpg?v=1791724598 Bortezomib Impurity 13, Purity: 99.7% | 1446194-56-4 Bortezomib Impurity 13|C4X-107213|1446194-56-4 https://www.jk-sci.com/products/j5302280 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfbbc8375cbe7c01f3494ee89eec8e44.jpg?v=1791420981 N,N-Bis(2-oxo-3-oxazolidinyl)phosphinic chloride, Assay ≥ 98% | 68641-49-6 N,N-Bis(2-oxo-3-oxazolidinyl)phosphinic chloride|02280|68641-49-6 https://www.jk-sci.com/products/j5302299 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aaa48e050f9b41fcf94e04543fa57ec8.jpg?v=1791420963 a,a-Dichloromethyl methyl ether, Assay ≥ 97% | 4885-02-3 a,a-Dichloromethyl methyl ether|02299|4885-02-3 https://www.jk-sci.com/products/j5302317 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/492029fee9241d91687da849d0b68447.jpg?v=1791420940 4-Hydroxy-3-methoxyphenylacetic acid, Assay by titration 98-102% || Purity by GC ≥ 99% | 306-08-1 4-Hydroxy-3-methoxyphenylacetic acid|02317|306-08-1 https://www.jk-sci.com/products/s57c4x-107218 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_dcd402f3-efdd-4a7e-9198-450c1d79d91f.png?v=1791724591 Bortezomib Impurity 18, 97.40% Bortezomib Impurity 18|C4X-107218 https://www.jk-sci.com/products/j5302339 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce63ebbf09c8cea553246c031ed11816.jpg?v=1791420911 2-Nitrophenol, Purity by GC ≥ 98% | 88-75-5 2-Nitrophenol|02339|88-75-5 https://www.jk-sci.com/products/s57c4x-107220 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b37619ca389723bd054ea2b9acf13b5.jpg?v=1791724586 Bortezomib Impurity 20, 99.30% | 862894-96-0 Bortezomib Impurity 20|C4X-107220|862894-96-0 https://www.jk-sci.com/products/s57c4x-107225 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/354938.png?v=1791724586 Bortezomib, 93.60% | 179324-69-7 Bortezomib|C4X-107225|179324-69-7 https://www.jk-sci.com/products/j5302382 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f71a05c9700fc4a7d543793d09ec2acd.jpg?v=1791420846 Na-Fmoc-Nw-(4-toluenesulfonyl)-D-arginine, Purity by HPLC ≥ 98% | 139090-50-9 Na-Fmoc-Nw-(4-toluenesulfonyl)-D-arginine|02382|139090-50-9 https://www.jk-sci.com/products/j5302462 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2268a2b68e529a8c208b94cd729a40e3.jpg?v=1791420712 Na-Fmoc-D-tryptophan, Purity by HPLC ≥ 99% | 86123-11-7 Na-Fmoc-D-tryptophan|02462|86123-11-7 https://www.jk-sci.com/products/j5302498 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a0dd7368423c6e0f1790f935bcb4001.jpg?v=1791420658 Boc-L-methionine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-L-methionine 4-oxymethylphenylacetamidomethyl resin|02498 https://www.jk-sci.com/products/j5302434 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d431b48fc5649d113d0e91126ce9147b.jpg?v=1791420774 Na-Fmoc-Ne-Z-D-lysine, Purity by HPLC ≥ 98% | 110990-07-3 Na-Fmoc-Ne-Z-D-lysine|02434|110990-07-3 https://www.jk-sci.com/products/j5302467 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a63e56006b5097af5c88a1cc839ffa8.jpg?v=1791420705 Fmoc-O-2,6-dichlorobenzyl-L-tyrosine, Purity by HPLC ≥ 98% | 112402-12-7 Fmoc-O-2,6-dichlorobenzyl-L-tyrosine|02467|112402-12-7 https://www.jk-sci.com/products/j5302495 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362d5a914af559809dfaba597a7d910c.jpg?v=1791420663 Boc-D-leucine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-D-leucine 4-oxymethylphenylacetamidomethyl resin|02495 https://www.jk-sci.com/products/a01939041 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/120827.png?v=1790205999 2-Ethyl-3-methoxypyrazine, 98% | 25680-58-4 2-Ethyl-3-methoxypyrazine, 98%|939041|25680-58-4 https://www.jk-sci.com/products/j5302501 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1372cc8e938cfe364b94c831bcf8b2fa.jpg?v=1791420655 Na-Boc-Nd-Z-L-ornithine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-Nd-Z-L-ornithine 4-oxymethylphenylacetamidomethyl resin|02501 https://www.jk-sci.com/products/j5302505 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aae7400fbe291f58505adede2a90033.jpg?v=1791420650 Boc-D-proline 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.6-0.9 meq/g Boc-D-proline 4-oxymethylphenylacetamidomethyl resin|02505 https://www.jk-sci.com/products/j5321332 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53dfdc006424a9c1128c92faf8f0b3db.jpg?v=1791408341 D-Lysine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 923-27-3 D-Lysine|21332|923-27-3 https://www.jk-sci.com/products/s57c4x-107230 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e63fadfff7cef8e0dcc29d8cdf69d3e5.jpg?v=1791724578 Bortezomib Impurity 30, 99.70% | 2379402-85-2 Bortezomib Impurity 30|C4X-107230|2379402-85-2 https://www.jk-sci.com/products/s57c4x-10724 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/338f296cb5bd4467371ed19034eeded2.jpg?v=1791724573 Bortezomib Impurity 4, 94.60% | 289472-81-7 Bortezomib Impurity 4|C4X-10724|289472-81-7 https://www.jk-sci.com/products/j5301979 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb0a0f52a74fa6c69ad64599289f4394.jpg?v=1791421363 Boc-D-alanine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-D-alanine 4-oxymethylphenylacetamidomethyl resin|01979 https://www.jk-sci.com/products/j5301627 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd934e157d5e4218d47d48cbe98e8dc8.jpg?v=1791421715 Starch from corn | 9005-25-8 Starch from corn|01627|9005-25-8 https://www.jk-sci.com/products/j5301858 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9343d5971f36146ebcf10b02f37dff57.jpg?v=1791421530 Indoxyl butyrate | 4346-15-0 Indoxyl butyrate|01858|4346-15-0 https://www.jk-sci.com/products/j5302511 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfc3592d6a189586d6f6682631a2b3cf.jpg?v=1791420642 Na-Boc-D-tryptophan 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-D-tryptophan 4-oxymethylphenylacetamidomethyl resin|02511 https://www.jk-sci.com/products/j5301992 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f0963de774886ce28807502764a37c5.jpg?v=1791421334 Boc-S-4-methylbenzyl-D-cysteine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-S-4-methylbenzyl-D-cysteine 4-oxymethylphenylacetamidomethyl resin|01992 https://www.jk-sci.com/products/a019392290 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_355b277e-683b-4cff-8b48-076962a1ddba.png?v=1787977903 2,3-Dibromopropan-1-amine hydrochloride, 97% 2,3-Dibromopropan-1-amine hydrochloride, 97%|9392290 https://www.jk-sci.com/products/s57c4x-107249 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c6f531bfa10ad3525fd3561a0e3fdc1.jpg?v=1791724567 Bortezomib Impurity 49, Purity: 95.7% | 948294-96-0 Bortezomib Impurity 49|C4X-107249|948294-96-0 https://www.jk-sci.com/products/j5302243 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3af82bf0afabe9e5dee32c0eac6d2804.jpg?v=1791421045 Z-Pro-Pro-OH, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 98% | 7360-23-8 Z-Pro-Pro-OH|02243|7360-23-8 https://www.jk-sci.com/products/j5302062 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ae571e80f311d7bcf29e9346b787740.jpg?v=1791421257 Fmoc-S-acetamidomethyl-L-penicillamine, Purity by HPLC ≥ 96% | 201531-76-2 Fmoc-S-acetamidomethyl-L-penicillamine|02062|201531-76-2 https://www.jk-sci.com/products/a01939432 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9dd6d2df46e5b7341f9d2e7e46f74afd.jpg?v=1790205995 3,3'-Dimethyldiphenylamine, 98% | 626-13-1 3,3'-Dimethyldiphenylamine, 98%|939432|626-13-1 https://www.jk-sci.com/products/j5302155 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81601a70f20c05959c50a8a245a67b9b.jpg?v=1791421168 Z-Glu-Phe-OH | 987-84-8 Z-Glu-Phe-OH|02155|987-84-8 https://www.jk-sci.com/products/j5302199 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a41b41a3fc92aa6a7e6260e6a00a2e3d.jpg?v=1791421124 Z-N-methyl-L-leucine, Purity by HPLC ≥ 98% | 33099-08-0 Z-N-methyl-L-leucine|02199|33099-08-0 https://www.jk-sci.com/products/j5302270 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea63d2f4ded2e49f97bbca7cf2553ce8.jpg?v=1791420994 Z-D-valine, Purity by HPLC ≥ 99% | 1685-33-2 Z-D-valine|02270|1685-33-2 https://www.jk-sci.com/products/s57c4x-10728 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c57f7781ef1767ee01bc6b0f698451c9.jpg?v=1791724561 Bortezomib Impurity 8, 98.50% | 886979-81-3 Bortezomib Impurity 8|C4X-10728|886979-81-3 https://www.jk-sci.com/products/a019393420 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c616d424d912ee05639c79d4f2eb87ab.jpg?v=1788913632 (2,2-Dibromocyclopropyl) benzene, 98% | 3234-51-3 (2,2-Dibromocyclopropyl) benzene, 98%|9393420|3234-51-3 https://www.jk-sci.com/products/a019396600 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7144c9579e38e5c2e3f4a49a69976b46.jpg?v=1788913618 IDIC-4F / ID4F | 2229934-71-6 IDIC-4F / ID4F|9396600|2229934-71-6 https://www.jk-sci.com/products/a019395760 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33260966c9f0b4afcb0e302aca34768b.jpg?v=1788913623 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a45141053c636afc9a1862d0172a7ddb.jpg?v=1791420952 (R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol, Chiral HPLC ≤ 0.5% (S-Enantiomer) || Purity by GC ≥ 99% | 14347-78-5 (R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol|02304|14347-78-5 https://www.jk-sci.com/products/s57c4x-107312 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795515.png?v=1791724555 Linezolid Impurity 12, 99.30% | 2689-39-6 Linezolid Impurity 12|C4X-107312|2689-39-6 https://www.jk-sci.com/products/s57c4x-107315 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/257721_c507df37-7b54-47bc-a34b-f8f7a45f5a86.png?v=1791724548 Linezolid Impurity 15, Purity: 99.5% | 93246-53-8 Linezolid Impurity 15|C4X-107315|93246-53-8 https://www.jk-sci.com/products/j5302361 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f179bdd0cb9ac3ca5b793f304c4cf216.jpg?v=1791420881 2,4,5-Trichlorophenol, Purity by GC ≥ 95% | 95-95-4 2,4,5-Trichlorophenol|02361|95-95-4 https://www.jk-sci.com/products/a01939782 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/485756.png?v=1788913600 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0920a9ff17f679d62f5ba92efb63ef12.jpg?v=1791420746 Fmoc-L-proline N-hydroxysuccinimide ester, Purity by HPLC ≥ 99% | 109074-94-4 Fmoc-L-proline N-hydroxysuccinimide ester|02450|109074-94-4 https://www.jk-sci.com/products/s57c4x-107323 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8aa1ffc4fc78b4229cfad9ab0e47e980.jpg?v=1791724544 Linezolid Impurity 23, 98.40% | 908143-04-4 Linezolid Impurity 23|C4X-107323|908143-04-4 https://www.jk-sci.com/products/j5302492 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f43442ff560dfa7230ce4efc2e1add96.jpg?v=1791420668 Na-Boc-Nim-4-toluenesylfonyl-L-histidine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.25-0.80 meq/g Na-Boc-Nim-4-toluenesylfonyl-L-histidine 4-oxymethylphenylacetamidomethyl resin|02492 https://www.jk-sci.com/products/s57c4x-107342 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddc3266a20432496ad4526cd18293d52.jpg?v=1791724527 Linezolid Impurity 42, 99.90% | 168828-84-0 Linezolid Impurity 42|C4X-107342|168828-84-0 https://www.jk-sci.com/products/s57c4x-107352 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3879e4418d5ff16c992dc12827dbbfc0.jpg?v=1791724524 Linezolid Impurity 52, Purity: 99.4% | 2512211-93-5 Linezolid Impurity 52|C4X-107352|2512211-93-5 https://www.jk-sci.com/products/s57c4x-10733 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dc517587bad50d288aa402e3a496f46.jpg?v=1791724537 Linezolid Desacetamide Hydroxy Impurity, 98.30% | 168828-82-8 Linezolid Desacetamide Hydroxy Impurity|C4X-10733|168828-82-8 https://www.jk-sci.com/products/s57c4x-107360 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee11a7644450493c25d1ff598b97c31.jpg?v=1791724519 Linezolid Impurity 60, 96.60% | 333753-72-3 Linezolid Impurity 60|C4X-107360|333753-72-3 https://www.jk-sci.com/products/s57c4x-107393 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3175288b-15ed-4418-b84b-752f193b3c09.png?v=1791724507 Linezolid Impurity 93, Purity: 99.7% Linezolid Impurity 93|C4X-107393 https://www.jk-sci.com/products/s57c4x-107365 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a2b9a416-a4f7-4b81-99f2-3eba054f1f6c.png?v=1791724513 Linezolid Impurity 65, 94.00% Linezolid Impurity 65|C4X-107365 https://www.jk-sci.com/products/s57c4x-10741 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/350ee8a5823364dc653eb2f3b4a8f790.jpg?v=1791724506 Moxifloxacin EP Impurity A HCl, Purity: 100.0% | 151282-23-4 Moxifloxacin EP Impurity A HCl|C4X-10741|151282-23-4 https://www.jk-sci.com/products/a01939794 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439785.png?v=1790205982 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0751631269b4cb032a8e11debc10d2fb.jpg?v=1791724502 Moxifloxacin Impurity 11, 99.10% | 1329836-33-0 Moxifloxacin Impurity 11|C4X-107411|1329836-33-0 https://www.jk-sci.com/products/j5302499 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890046810f4f7b25e1fe4f2ae3ecd358.jpg?v=1791420654 Boc-D-methionine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-D-methionine 4-oxymethylphenylacetamidomethyl resin|02499 https://www.jk-sci.com/products/s57c4x-1074114 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a3df7fb806dfcd5ca8985f35fd624de_4d3cbc70-fb33-41cc-a272-2ee1924a9a67.jpg?v=1791724496 Moxifloxacin Impurity 114, 96.60% | 652-03-9 Moxifloxacin Impurity 114|C4X-1074114|652-03-9 https://www.jk-sci.com/products/s57c4x-107414 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36d6ce95cccc9a95e56fb492ca481f8c.jpg?v=1791724490 Moxifloxacin EP Impurity G (HCl), 95.70% | 1394029-14-1 Moxifloxacin EP Impurity G (HCl)|C4X-107414|1394029-14-1 https://www.jk-sci.com/products/s57c4x-107412 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/467015_41fb59b8-2f07-498c-bed2-b9a8f2db8fd9.png?v=1791724491 Moxifloxacin Impurity 12, 99.30% | 112811-72-0 Moxifloxacin Impurity 12|C4X-107412|112811-72-0 https://www.jk-sci.com/products/s57c4x-1074161 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a431c13945273ed4682931c8d1d0c4c3_45faa0c0-d912-49ac-8ac7-38ee4b0ab470.jpg?v=1791724485 Moxifloxacin impurity 161, 85.20% | 55698-67-4 Moxifloxacin impurity 161|C4X-1074161|55698-67-4 https://www.jk-sci.com/products/j5302514 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bdc14817c1f1cdea8c5f4148b0620d37.jpg?v=1791420637 Boc-O-2-bromo-Z-D-tyrosine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-O-2-bromo-Z-D-tyrosine 4-oxymethylphenylacetamidomethyl resin|02514 https://www.jk-sci.com/products/j5302510 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3509e6cfe385acdec613502257f73f31.jpg?v=1791420642 Na-Boc-L-tryptophan 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-L-tryptophan 4-oxymethylphenylacetamidomethyl resin|02510 https://www.jk-sci.com/products/j5302517 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c5d1df36402e744af28adcf7df5d643.jpg?v=1791420626 Boc-D-valine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Boc-D-valine 4-oxymethylphenylacetamidomethyl resin|02517 https://www.jk-sci.com/products/s57c4x-1074164 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/811da392681a254d18472733b5829915.jpg?v=1791724482 Moxifloxacin impurity 164, 97.70% | 1668584-26-6 Moxifloxacin impurity 164|C4X-1074164|1668584-26-6 https://www.jk-sci.com/products/j5302582 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a180f9f40bad7217415b84f012b1e95.jpg?v=1791420556 Boc-3-(1-naphthyl)-L-alanine, Purity by HPLC ≥ 99% | 55447-00-2 Boc-3-(1-naphthyl)-L-alanine|02582|55447-00-2 https://www.jk-sci.com/products/j5302569 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c60e963e25dd1d81f94a334dde540ffd.jpg?v=1791420580 Fmoc-4-chloro-D-phenylalanine, Purity by HPLC ≥ 98% | 142994-19-2 Fmoc-4-chloro-D-phenylalanine|02569|142994-19-2 https://www.jk-sci.com/products/j5302603 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e5564a247c234227be200bcdd0bf859.jpg?v=1791420521 L-Thiaproline, Assay ≥ 99% | 34592-47-7 L-Thiaproline|02603|34592-47-7 https://www.jk-sci.com/products/j5302608 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08c158b86820b100e3fa833d21731672.jpg?v=1791420516 Acetyl-D-alanine methyl ester, Purity by HPLC ≥ 98% | 19914-36-4 Acetyl-D-alanine methyl ester|02608|19914-36-4 https://www.jk-sci.com/products/j5302624 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/229d09b69460de495418dae66caaec30.jpg?v=1791420486 Acetyl-D-methionine, Purity by HPLC ≥ 99% | 1509-92-8 Acetyl-D-methionine|02624|1509-92-8 https://www.jk-sci.com/products/s57c4x-10742 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bcbaa5ff927c2c9a5b3944a56943f09e.jpg?v=1791724480 Moxifloxacin EP Impurity B HCl, 90.10% | 2252446-68-5 Moxifloxacin EP Impurity B HCl|C4X-10742|2252446-68-5 https://www.jk-sci.com/products/j5302634 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb4abc34ebf824252661f4a480836d12.jpg?v=1791420468 Acetyl-L-proline methyl ester, Purity by HPLC ≥ 98% | 27460-51-1 Acetyl-L-proline methyl ester|02634|27460-51-1 https://www.jk-sci.com/products/j5302630 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af82d92b989d246a1fda750fb2b08563.jpg?v=1791420474 Acetyl-L-phenylalanine methyl ester, Purity by HPLC ≥ 99% | 3618-96-0 Acetyl-L-phenylalanine methyl ester|02630|3618-96-0 https://www.jk-sci.com/products/s57c4x-107425 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a420af8898a4c7842aa55111da1755d4.jpg?v=1791724475 Moxifloxacin Impurity 25, 97.60% | 143158-55-8 Moxifloxacin Impurity 25|C4X-107425|143158-55-8 https://www.jk-sci.com/products/s57c4x-107430 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361889.png?v=1791724469 Moxifloxacin Difluoro Methoxy Ethyl Ester, 99.70% | 112811-71-9 Moxifloxacin Difluoro Methoxy Ethyl Ester|C4X-107430|112811-71-9 https://www.jk-sci.com/products/s57c4x-107429 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed5fe5a99d985d92d10e55d30a48237d.jpg?v=1791724471 Moxifloxacin Impurity 29, 91.70% | 1395056-41-3 Moxifloxacin Impurity 29|C4X-107429|1395056-41-3 https://www.jk-sci.com/products/j5302643 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0deac8099dbd076cf2e32508196eee0d.jpg?v=1791420448 Acetyl-L-valine, Assay ? 98% | 96-81-1 Acetyl-L-valine|02643|96-81-1 https://www.jk-sci.com/products/s57c4x-107439 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117069_b66d2b54-6138-4fb5-8ce0-b9bbb7730bc3.png?v=1791724464 Moxifloxacin Impurity 39, 96.90% | 151213-40-0 Moxifloxacin Impurity 39|C4X-107439|151213-40-0 https://www.jk-sci.com/products/a011278084 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/916f4ad64c6c8a9db3bbae45aaa7d96c.jpg?v=1790216609 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_43092c78-8ba1-48fb-a1d1-568fece1701b.png?v=1791724449 Moxifloxacin Impurity RC-4, 91.10% Moxifloxacin Impurity RC-4|C4X-107459 https://www.jk-sci.com/products/s57c4x-107445 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264673.png?v=1791724459 Moxifloxacin Impurity 45, 99.60% | 112811-65-1 Moxifloxacin Impurity 45|C4X-107445|112811-65-1 https://www.jk-sci.com/products/s57c4x-107455 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42074c34a26aa63a900f1193fb11d700.jpg?v=1791724455 Moxifloxacin Impurity 55, 98.80% | 53764-99-1 Moxifloxacin Impurity 55|C4X-107455|53764-99-1 https://www.jk-sci.com/products/j5302660 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26a34348b1cbc376935b5bbe22ca10c6.jpg?v=1791420422 Boc-N-methyl-D-leucine, Purity by HPLC ≥ 99% | 89536-84-5 Boc-N-methyl-D-leucine|02660|89536-84-5 https://www.jk-sci.com/products/s57c4x-10747 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70fd33a25e56085dd1eba9ff5f2634c2.jpg?v=1791724445 Moxifloxacin EP Impurity F, 95.60% | 721970-37-2 Moxifloxacin EP Impurity F|C4X-10747|721970-37-2 https://www.jk-sci.com/products/j5302671 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bee75ead0cacf00d64770764c8a567c3.jpg?v=1791420404 Na-Fmoc-Na-Methyl-D-phenylalanine, Purity by HPLC ≥ 99% | 138775-05-0 Na-Fmoc-Na-Methyl-D-phenylalanine|02671|138775-05-0 https://www.jk-sci.com/products/s57c4x-107464 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb043e3afc2d350d6294b56ca043a5dc.jpg?v=1791724450 Moxifloxacin Impurity 64, 99.80% | 18184-75-3 Moxifloxacin Impurity 64|C4X-107464|18184-75-3 https://www.jk-sci.com/products/j5302676 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20977449b2859d2e07a3e2e8bce51f26.jpg?v=1791420395 Fmoc-N-methyl-O-benzyl-L-tyrosine, Purity by HPLC ≥ 98% | 428868-52-4 Fmoc-N-methyl-O-benzyl-L-tyrosine|02676|428868-52-4 https://www.jk-sci.com/products/j5302673 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d53d1445d8b887f973fedccd206193d.jpg?v=1791420403 Boc-N-methyl-O-benzyl-L-threonine cyclohexyl ammonium salt, Purity ≥ 95% (NMR) | 64263-80-5 Boc-N-methyl-O-benzyl-L-threonine cyclohexyl ammonium salt|02673|64263-80-5 https://www.jk-sci.com/products/a011280183 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21ef8e71f1c30c5ae2c4be2f0df5c056.jpg?v=1788002210 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1b8f33c576622a2e37436eecf417b12.jpg?v=1791420375 Boc-3-(3'-pyridyl)-D-alanine, Purity by HPLC ≥ 99% | 98266-33-2 Boc-3-(3'-pyridyl)-D-alanine|02685|98266-33-2 https://www.jk-sci.com/products/j5302700 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/28053cc09f45e0da6a72522242378cb1.jpg?v=1791420354 Boc-L-glutamic acid a-cyclohexyl ester, Assay by titration ≥ 98% | 137506-13-9 Boc-L-glutamic acid a-cyclohexyl ester|02700|137506-13-9 https://www.jk-sci.com/products/j5302724 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4340a73656a87bb4e336ddb5455309f0.jpg?v=1791420319 4-Methylbenzyl-3-thio-propionic acid, Purity by HPLC ≥ 98% | 78981-22-3 4-Methylbenzyl-3-thio-propionic acid|02724|78981-22-3 https://www.jk-sci.com/products/j5301771 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec460ac5ed60ded1d7c2cd4667a7db83.jpg?v=1791421601 Sodium polyanethol sulfonate, Purity by UV ≥ 98% | 55963-78-5 Sodium polyanethol sulfonate|01771|55963-78-5 https://www.jk-sci.com/products/a011281071 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff6d050f04592aef9ac281ba1d039be3.jpg?v=1788932216 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/381045_64a9875b-d10d-4fb4-b8fa-6c1689a83f1a.png?v=1791724435 Moxifloxacin Impurity 91, Purity: 99.8% | 89-00-9 Moxifloxacin Impurity 91|C4X-107491|89-00-9 https://www.jk-sci.com/products/j5302144 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04b21cddb6694e08e7ae1531ff430bc8.jpg?v=1791421187 Na-Z-D-asparagine, Purity by HPLC ≥ 98% | 4474-86-6 Na-Z-D-asparagine|02144|4474-86-6 https://www.jk-sci.com/products/j5301986 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456f29e8febe74f17d4f4443948809a2.jpg?v=1791421347 Boc-L-aspartic acid b-benzyl ester 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Boc-L-aspartic acid b-benzyl ester 4-oxymethylphenylacetamidomethyl resin|01986 https://www.jk-sci.com/products/j5302215 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8287988c75eeb96b98a14e7c30d15d5d.jpg?v=1791421090 Z-L-methionine, Assay ≥ 99% | 1152-62-1 Z-L-methionine|02215|1152-62-1 https://www.jk-sci.com/products/s57c4x-107499 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_13678709-74c0-47e1-b596-70c08fe13e38.png?v=1791724424 Moxifloxacin Impurity 99, 98.70% Moxifloxacin Impurity 99|C4X-107499 https://www.jk-sci.com/products/s57c4x-107495 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134cb0e43203271068e42627c13cd060.jpg?v=1791724433 Moxifloxacin Impurity 95, 98.10% | 71083-22-2 Moxifloxacin Impurity 95|C4X-107495|71083-22-2 https://www.jk-sci.com/products/s57c4x-10761 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcb61526cfef24197f0e480e4d809035.jpg?v=1791724422 Tenofovir disoproxil Impurity 1, 97.10% | 1432630-26-6 Tenofovir disoproxil Impurity 1|C4X-10761|1432630-26-6 https://www.jk-sci.com/products/s57c4x-107489 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/581580_6ce55c95-ff70-4b3d-b18f-00418a39c3df.png?v=1791724439 Moxifloxacin Impurity 89, 98.00% | 924-99-2 Moxifloxacin Impurity 89|C4X-107489|924-99-2 https://www.jk-sci.com/products/s57c4x-1076105 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c166db416f437645bf9afd3c5e40e39.jpg?v=1791724416 Tenofovir disoproxil Impurity 105, 91.70% | 2361988-22-7 Tenofovir disoproxil Impurity 105|C4X-1076105|2361988-22-7 https://www.jk-sci.com/products/s57c4x-1076107 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8e46ff5d-3775-4e62-b058-a6b42cc48320.png?v=1791724414 Tenofovir monopyrfuroxil enrutabine adduct, Purity: 99.3% Tenofovir monopyrfuroxil enrutabine adduct|C4X-1076107 https://www.jk-sci.com/products/s57c4x-107611 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eff55c79b96b19a685b134a433d89187.jpg?v=1791724409 Tenofovir disoproxil Impurity 11, 98.80% | 1422284-15-8 Tenofovir disoproxil Impurity 11|C4X-107611|1422284-15-8 https://www.jk-sci.com/products/s57c4x-10762 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3346f6abfa025d22c643396d866c999f.jpg?v=1791724405 Tenofovir disoproxil Impurity 2, 97.70% | 1446486-33-4 Tenofovir disoproxil Impurity 2|C4X-10762|1446486-33-4 https://www.jk-sci.com/products/s57c4x-107626 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16ea58ca10553fa21353ebf88e2e26f3_a292657c-58c9-4610-a766-4d0dd320a881.jpg?v=1791724401 Tenofovir Disoproxil Impurity 26, 90.80% | 147127-19-3 Tenofovir Disoproxil Impurity 26|C4X-107626|147127-19-3 https://www.jk-sci.com/products/s57c4x-107628 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/80a800430660b35eb740606ef54a0870.jpg?v=1791724396 Tenofovir disoproxil Impurity 28, 97.30% | 1115-59-9 Tenofovir disoproxil Impurity 28|C4X-107628|1115-59-9 https://www.jk-sci.com/products/s57c4x-102024 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_29ae0ed4-4af7-4579-a23f-8456c8fc9da0.png?v=1791726080 Vonoprazan Fumarate Impurity 24, 98.60% Vonoprazan Fumarate Impurity 24|C4X-102024 https://www.jk-sci.com/products/j5302290 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ef52709c047ff9f36b7bfcefb04e48.jpg?v=1791420974 tert-Butyl 2,2,2-trichloroacetimidate, Assay ≥ 97% | 98946-18-0 tert-Butyl 2,2,2-trichloroacetimidate|02290|98946-18-0 https://www.jk-sci.com/products/j5302401 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/51617a9f8ad5f7739325dd85598ee51b.jpg?v=1791420829 Fmoc-S-tert-butyl-L-cysteine, Purity by HPLC ≥ 98% | 67436-13-9 Fmoc-S-tert-butyl-L-cysteine|02401|67436-13-9 https://www.jk-sci.com/products/s57c4x-105474 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_be57e240-ac9f-4542-bac3-719ac4022d22.png?v=1791725312 Tedizolid Impurity 74, 99.10% Tedizolid Impurity 74|C4X-105474 https://www.jk-sci.com/products/j5302497 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69bcbca669b2cd833294d5d74cc32fef.jpg?v=1791420659 Na-Boc-Ne-2-chloro-Z-D-lysine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 Na-Boc-Ne-2-chloro-Z-D-lysine 4-oxymethylphenylacetamidomethyl resin|02497 https://www.jk-sci.com/products/j5302513 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/071d9408d0d59e989a866b3187f7c455.jpg?v=1791420637 Boc-O-2-bromo-Z-L-tyrosine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Boc-O-2-bromo-Z-L-tyrosine 4-oxymethylphenylacetamidomethyl resin|02513 https://www.jk-sci.com/products/j5302555 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc2533ee7b34450ff10d6a121a5b93e6.jpg?v=1791420608 D-a-tert-Butyl-Gly-OH, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 98% | 26782-71-8 D-a-tert-Butyl-Gly-OH|02555|26782-71-8 https://www.jk-sci.com/products/s57c4x-105914 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331fec212e1fa8a5c1eed9997ba83cfd.jpg?v=1791725095 Cinacalcet Impurity 14, 99.20% | 1217809-88-5 Cinacalcet Impurity 14|C4X-105914|1217809-88-5 https://www.jk-sci.com/products/s57c4x-106410 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/841879eec537ed2dba8c4698a91809a8_31b750ea-248c-4b45-b4a8-1b646f2ff90f.jpg?v=1791724951 Ibrutinib Impurity 10, 94.20% | 1022150-12-4 Ibrutinib Impurity 10|C4X-106410|1022150-12-4 https://www.jk-sci.com/products/s57c4x-1065178 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_515494b7-27df-4bb5-b2f3-88191a688aa5.png?v=1791724864 Empagliflozin impurity 178, Purity: 96.8% Empagliflozin impurity 178|C4X-1065178 https://www.jk-sci.com/products/s57c4x-1065188 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17310639-aabe-4b66-82ea-74454fc76bf9.png?v=1791724856 Empagliflozin impurity 188, 88.70% Empagliflozin impurity 188|C4X-1065188 https://www.jk-sci.com/products/s57c4x-1065204 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0ec5b7f6797eecfd5ece8746080b860.jpg?v=1791724841 Empagliflozin impurity 204, Purity: 99.4% | 1800196-43-3 Empagliflozin impurity 204|C4X-1065204|1800196-43-3 https://www.jk-sci.com/products/s57c4x-1065222 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_16ce054a-2c32-4183-b859-40cf4eaf95c5.png?v=1791724824 Empagliflozin impurity 222, 98.70% Empagliflozin impurity 222|C4X-1065222 https://www.jk-sci.com/products/s57c4x-1065278 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_db5c3767-58a7-44e4-b2fc-0570a9e63fe0.png?v=1791724812 Empagliflozin Impurity 278, 97.10% Empagliflozin Impurity 278|C4X-1065278 https://www.jk-sci.com/products/s57c4x-106541 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_85865934-b8c4-4e83-b8fb-f73fddb3a934.png?v=1791724806 Empagliflozin Impurity 41, 97.20% Empagliflozin Impurity 41|C4X-106541 https://www.jk-sci.com/products/s57c4x-1067 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/617059_f99890c3-7873-47eb-93c3-21317daf7f74.png?v=1791724786 Levetiracetam, 97.0% | 102767-28-2 Levetiracetam|C4X-1067|102767-28-2 https://www.jk-sci.com/products/s57c4x-106575 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfdfe0917fefa0ab16d83becf8e76e9e.jpg?v=1791724792 Empagliflozin Impurity 75, 99.40% | 915095-87-3 Empagliflozin Impurity 75|C4X-106575|915095-87-3 https://www.jk-sci.com/products/s57c4x-106714 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63b7a95bfaf21b54b4669ecd37504516.jpg?v=1791724769 Levetiracetam Impurity 14, 97.10% | 103833-72-3 Levetiracetam Impurity 14|C4X-106714|103833-72-3 https://www.jk-sci.com/products/s57c4x-106721 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/456901_67e30420-f759-428a-a6ac-4fe82e1ffa51.png?v=1791724759 Levetiracetam EP Impurity A, 94.00% | 67118-31-4 Levetiracetam EP Impurity A|C4X-106721|67118-31-4 https://www.jk-sci.com/products/s57c4x-106732 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0072260a620e449fed29069dfbfd7ff6.jpg?v=1791724745 Levetiracetam Impurity 32, 99.00% | 93778-15-5 Levetiracetam Impurity 32|C4X-106732|93778-15-5 https://www.jk-sci.com/products/j5302587 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47db59c0a308749a2f2348b8f684c42e.jpg?v=1791420546 Boc-3-(2-naphthyl)-D-alanine, Purity by HPLC ≥ 99% | 76985-10-9 Boc-3-(2-naphthyl)-D-alanine|02587|76985-10-9 https://www.jk-sci.com/products/j5302621 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3aa9276365487451f4a3065bfc9673cc.jpg?v=1791420491 Na-Acetyl-L-lysine, Purity by HPLC ≥ 99% | 1946-82-3 Na-Acetyl-L-lysine|02621|1946-82-3 https://www.jk-sci.com/products/j5302632 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bbc2ef5b1838a710fac3319bc301623.jpg?v=1791420468 Acetyl-D-proline, Assay ≥ 98% | 59785-68-1 Acetyl-D-proline|02632|59785-68-1 https://www.jk-sci.com/products/s57c4x-106853 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/573697_ec6b7a45-f813-41e9-a649-e36beb7f8a0f.png?v=1791724718 Imatinib Impurity 53, 99.30% | 152460-09-8 Imatinib Impurity 53|C4X-106853|152460-09-8 https://www.jk-sci.com/products/j5302644 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50b532de1b9b9fb8a2bc2f437728d2c2.jpg?v=1791420447 Acetyl-D-valine, Purity by HPLC ≥ 98% | 17916-88-0 Acetyl-D-valine|02644|17916-88-0 https://www.jk-sci.com/products/j5302672 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2b52ebeb8e6520395f6b201dc05997d.jpg?v=1791420404 Fmoc-N-methyl-O-benzyl-L-serine, Purity by HPLC ≥ 98% | 84000-14-6 Fmoc-N-methyl-O-benzyl-L-serine|02672|84000-14-6 https://www.jk-sci.com/products/j5302739 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02a2ec9adb9277f469ecb06e7fad5bbe.jpg?v=1791420298 Boc-O-benzyl-3,5-dibromo-L-tyrosine, Purity by HPLC ≥ 99% | 218769-47-2 Boc-O-benzyl-3,5-dibromo-L-tyrosine|02739|218769-47-2 https://www.jk-sci.com/products/j5302743 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42ea82bdab1b08b629355082c15650de.jpg?v=1791420286 Boc-L-alanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.8-1.2 meq/g Boc-L-alanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02743 https://www.jk-sci.com/products/j5302680 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a11a4dda35250de8df1c20d5fe8c5d00.jpg?v=1791420382 Z-N-methyl-L-valine, Purity by HPLC ≥ 98% | 42417-65-2 Z-N-methyl-L-valine|02680|42417-65-2 https://www.jk-sci.com/products/j5302711 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97f5c4ac295f9fc982c0c3b1b9c01226.jpg?v=1791420336 Na-Boc-Ne-isopropyl-Ne-Z-L-lysine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 125323-99-1 Na-Boc-Ne-isopropyl-Ne-Z-L-lysine dicyclohexylammonium salt|02711|125323-99-1 https://www.jk-sci.com/products/a011281098 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ecb919f8829faea4725d1f74922a24f0.jpg?v=1790216600 3-Methyloxazolidine-2, 97% | 5840-76-6 3-Methyloxazolidine-2, 97%|1281098|5840-76-6 https://www.jk-sci.com/products/j5302750 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13008163cbf73551a3b0f068999d9615.jpg?v=1791420272 Boc-L-aspartic acid b-benzyl ester Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh), Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.25 - 1.0 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cfe3e0b5-9632-4610-acff-0339454c0e0f.png?v=1791724686 Erlotinib Impurity 58, Purity: 99.4% Erlotinib Impurity 58|C4X-106958 https://www.jk-sci.com/products/j5302757 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09e8e6f5748e587cc337a4eb604d89a8.jpg?v=1791420263 Boc-L-glutamic acid g-benzyl ester Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-1.0 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d30ba8dc187b80de6f2b8db6dde1b735.jpg?v=1791420278 Na-Boc-L-asparagine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-0.7 Na-Boc-L-asparagine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh)|02748 https://www.jk-sci.com/products/a011282869 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e540899815674c66da81c834acae8cdb.jpg?v=1788932196 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/493900a0876097d3349312a174b72551.jpg?v=1791420269 Boc-S-4-methoxybenzyl-L-cysteine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.3-1.2 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_25312180-67f0-4144-acab-92f561a885fc.png?v=1788932195 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201869_a05cbe1a-415a-4a7e-9c74-eedacd220796.png?v=1791724707 Erlotinib Impurity 112, 99.30% | 99-03-6 Erlotinib Impurity 112|C4X-1069112|99-03-6 https://www.jk-sci.com/products/j5302768 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7f7f470b4fbfd7658c0c1a2c118dd2c.jpg?v=1791420242 Boc-D-leucine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.8-1.2 meq/g Boc-D-leucine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02768 https://www.jk-sci.com/products/j5302760 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7748f938df04e3759b209afc8b13acab.jpg?v=1791420258 Na-Boc-L-glutamine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-0.70 meq/g Na-Boc-L-glutamine Merrifield resin (0.25 - 0.70 meq/g, 100 - 200 mesh)|02760 https://www.jk-sci.com/products/s57c4x-107020 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0a678ce5b4e9f6a24bbca5c816b7515_cfbc4649-200a-44c2-a0d0-50c9099538d4.jpg?v=1791724675 Abiraterone Acetate, 98.40% | 154229-18-2 Abiraterone Acetate|C4X-107020|154229-18-2 https://www.jk-sci.com/products/j5302775 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f9433961a3de91c8ab0f826789d95970.jpg?v=1791420227 Boc-L-proline Merrifield resin (> 0.80 meq/g, 100 - 200 mesh), Mesh Size 100-200 mesh || Substitution (meq/g) > 0.80 meq/g Boc-L-proline Merrifield resin (> 0.80 meq/g, 100 - 200 mesh)|02775 https://www.jk-sci.com/products/s57c4x-10704 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0cabc9e5ef69034e57b62c13a3007163.jpg?v=1791724670 Abiraterone Impurity 4, 94.40% | 2484719-26-6 Abiraterone Impurity 4|C4X-10704|2484719-26-6 https://www.jk-sci.com/products/s57c4x-107113 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/91ec48cc25d6726d815ff8e0aa8af474.jpg?v=1791724649 Axitinib Impurity 13, 95.60% | 2527-66-4 Axitinib Impurity 13|C4X-107113|2527-66-4 https://www.jk-sci.com/products/s57c4x-107057 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4f8c2cd4d58238b8c79fc4cb6cdb031.jpg?v=1791724664 Abiraterone Impurity 57, 97.90% | 62509-26-6 Abiraterone Impurity 57|C4X-107057|62509-26-6 https://www.jk-sci.com/products/j5302782 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76ae08de824f4a3ee0069863c51a4ea6.jpg?v=1791420218 Na-Boc-Nin-formyl-L-tryptophan Merrifield resin (0.3 - 0.8 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a13543c5-630d-4761-8830-9f71900c1520.png?v=1791724642 Axitinib Impurity 30, Purity: 98.7% Axitinib Impurity 30|C4X-107130 https://www.jk-sci.com/products/j5302787 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7aa5631f0013064afda273c9b0f9e71.jpg?v=1791420212 Boc-L-valine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.8-1.2 meq/g Boc-L-valine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02787 https://www.jk-sci.com/products/s57c4x-107143 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a371f685e7989332a42282b12556ac8f.jpg?v=1791724624 Axitinib Impurity 43, 95.00% | 1959572-97-4 Axitinib Impurity 43|C4X-107143|1959572-97-4 https://www.jk-sci.com/products/j5302865 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b00aa3dc9bde93b2ff12ad8f76a29638.jpg?v=1791420158 Tobramycin | 32986-56-4 Tobramycin|02865|32986-56-4 https://www.jk-sci.com/products/j5302835 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d10458c9312c2ddb9545f2828aa6fa80.jpg?v=1791420196 Triton X-405 | 92046-34-9 Triton X-405|02835|92046-34-9 https://www.jk-sci.com/products/a01128429 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128429_c201f954-32d0-4c4d-8e81-537022189a8a.png?v=1790216583 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4c346ce322dbfdb1630f1c3fa6f9f08.jpg?v=1791420139 Naphthol AS-D chloroacetate, Purity by HPLC ≥ 98% | 35245-26-2 Naphthol AS-D chloroacetate|02875|35245-26-2 https://www.jk-sci.com/products/a01128631 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e8f4527ba80506a6021d2913a7a753e.jpg?v=1788932181 [(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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a112a8a77e65028c1516fa56e3cc522.jpg?v=1791419971 L-Glutamic acid dimethyl ester hydrochloride, Purity by HPLC ≥ 98% | 23150-65-4 L-Glutamic acid dimethyl ester hydrochloride|03066|23150-65-4 https://www.jk-sci.com/products/s57c4x-107211 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8a2278c3-e5c8-4087-ac43-07e91f536172.png?v=1791724599 Bortezomib Impurity 11, 91.00% Bortezomib Impurity 11|C4X-107211 https://www.jk-sci.com/products/j5303082 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c162ad4b44bbfba970b57ed222423e0.jpg?v=1791419945 Na-Benzoyl-L-histidine methyl ester, Purity ≥ 98% | 3005-62-7 Na-Benzoyl-L-histidine methyl ester|03082|3005-62-7 https://www.jk-sci.com/products/j5302911 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562a2cfe5d87380bd5f62689ba222d20.jpg?v=1791420082 Nim-Trityl-histidine, Purity by HPLC ≥ 98% | 35146-32-8 Nim-Trityl-histidine|02911|35146-32-8 https://www.jk-sci.com/products/j5303046 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcdd554c97729fbfe64f76f4bd582b58.jpg?v=1791420012 S-Acetamidomethyl-L-cysteine hydrochloride, Purity by HPLC ≥ 98% | 28798-28-9 S-Acetamidomethyl-L-cysteine hydrochloride|03046|28798-28-9 https://www.jk-sci.com/products/j5301340 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85275573331189e670c0a851cd3ae8ba.jpg?v=1791422153 Boc-L-aspartic acid b-tert-butyl ester dicyclohexylammonium salt, Purity by HPLC ≥ 98.5% | 1913-12-8 Boc-L-aspartic acid b-tert-butyl ester dicyclohexylammonium salt|01340|1913-12-8 https://www.jk-sci.com/products/j5302893 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ca187c0ea79c07b0f59c476369bc0df.jpg?v=1791420112 Fmoc-D-tyrosine | 112883-29-1 Fmoc-D-tyrosine|02893|112883-29-1 https://www.jk-sci.com/products/j5302023 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17af7ffa8047c8cf79cb7a8a21f64077.jpg?v=1791421302 2-Pyridinecarboxaldehyde, Assay by titration ≥ 98% || Purity by GC ≥ 99% || Titration Free acidity as pico | 1121-60-4 2-Pyridinecarboxaldehyde|02023|1121-60-4 https://www.jk-sci.com/products/j5302466 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66168fba7f5093d9febb26d95b228679.jpg?v=1791420705 Fmoc-O-2-bromo-Z-L-tyrosine, Purity by HPLC ≥ 97% | 147688-40-2 Fmoc-O-2-bromo-Z-L-tyrosine|02466|147688-40-2 https://www.jk-sci.com/products/s57c4x-10722 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c44966ab5e13b73aab45a33828b0e4cb.jpg?v=1791724593 Bortezomib Impurity 2, 99.70% | 114457-94-2 Bortezomib Impurity 2|C4X-10722|114457-94-2 https://www.jk-sci.com/products/j5302516 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/150178130c7e63c3eccc3e996c32928c.jpg?v=1791420631 Boc-L-valine 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100/200 || Substitution (meq/g) 0.3-0.8 meq/g Boc-L-valine 4-oxymethylphenylacetamidomethyl resin|02516 https://www.jk-sci.com/products/j5302254 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/caf0262f2521e0cc418a3d974563b30f.jpg?v=1791421024 Z-L-serine methyl ester, Purity by HPLC ≥ 97% | 1676-81-9 Z-L-serine methyl ester|02254|1676-81-9 https://www.jk-sci.com/products/s57c4x-10723 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/707d42e0b98047bfaa2280afeeb67444.jpg?v=1791724582 Bortezomib Impurity 3, 99.00% | 289472-78-2 Bortezomib Impurity 3|C4X-10723|289472-78-2 https://www.jk-sci.com/products/j5302606 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/60196a4687f69597f41506f5c1a67749.jpg?v=1791420516 Acetyl-L-alanine amide, Assay ≥ 99% | 15962-47-7 Acetyl-L-alanine amide|02606|15962-47-7 https://www.jk-sci.com/products/s57c4x-107242 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/344605_fe123329-bee5-451b-998e-05478fc7ec99.png?v=1791724572 Bortezomib Impurity 42, Purity: 100.0% | 89-01-0 Bortezomib Impurity 42|C4X-107242|89-01-0 https://www.jk-sci.com/products/a01130129 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/130129.png?v=1790216520 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128815.png?v=1790216560 4-Bromo-4'-hydroxybiphenyl, 99% | 29558-77-8 4-Bromo-4'-hydroxybiphenyl, 99%|128815|29558-77-8 https://www.jk-sci.com/products/j5302640 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/818ae37148d8018afb66cbda47c6102f.jpg?v=1791420452 Acetyl-L-tyrosine amide | 1948-71-6 Acetyl-L-tyrosine amide|02640|1948-71-6 https://www.jk-sci.com/products/j5302674 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be28c72de82c75e4cb96b93d3e3add67.jpg?v=1791420399 Fmoc-N-methyl-O-benzyl-L-threonine, Assay 97 - 102% || Purity by HPLC ≥ 98% | 198561-81-8 Fmoc-N-methyl-O-benzyl-L-threonine|02674|198561-81-8 https://www.jk-sci.com/products/j5302737 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed983d8ebee48ec198fd655bc220faf9.jpg?v=1791420302 Boc-O-dimethylphospho-L-tyrosine, Purity by HPLC ≥ 98% | 92264-99-8 Boc-O-dimethylphospho-L-tyrosine|02737|92264-99-8 https://www.jk-sci.com/products/j5302752 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/acd2741f324facdd26f3701db91e5ca5.jpg?v=1791420269 Boc-L-aspartic acid b-cyclohexyl ester Merrifield resin (0.3 - 0.8 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9c39cde6-9d59-4861-9e4c-5ae282746d81.png?v=1791724531 Linezolid Impurity 31, 99.60% Linezolid Impurity 31|C4X-107331 https://www.jk-sci.com/products/j5302744 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5adaf0e992b18eb26ca84af6a605258.jpg?v=1791420282 Boc-D-alanine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.3-1.2 meq/g Boc-D-alanine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh)|02744 https://www.jk-sci.com/products/s57c4x-10732 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c266c1682a27a0e106552311076d0f03_7f7523dc-01ea-4bdc-b228-d53822828422.jpg?v=1791724543 Linezolid Impurity 2, 96.40% | 168828-90-8 Linezolid Impurity 2|C4X-10732|168828-90-8 https://www.jk-sci.com/products/j5302758 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9df082d7a98e9036e9c1822375553136.jpg?v=1791420262 Boc-D-glutamic acid g-benzyl ester Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.8-1.2 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f11c8160f3ab1546e52f533eb6a88e4.jpg?v=1791420231 Boc-D-phenylalanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.8-1.2 meq/g Boc-D-phenylalanine Merrifield resin (0.8 - 1.2 meq/g, 100 - 200 mesh)|02774 https://www.jk-sci.com/products/j5302786 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea61fef6b27cd9c48e4bb1f8f0854480.jpg?v=1791420217 Boc-O-2,6-dichlorobenzyl-L-tyrosine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-1.0 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca79ba69a0c054e87a0de827680d859e.jpg?v=1791724519 Linezolid Impurity 6, 99.60% | 333753-67-6 Linezolid Impurity 6|C4X-10736|333753-67-6 https://www.jk-sci.com/products/s57c4x-10737 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/008bec2d26c7d7f0c939043215e3f861.jpg?v=1791724511 Linezolid Impurity 7, 88.50% | 1391068-25-9 Linezolid Impurity 7|C4X-10737|1391068-25-9 https://www.jk-sci.com/products/j5302854 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/965c3301c32c0577eaa7678afbb3dd9e.jpg?v=1791420174 L-3,4-Dichlorophenylalanine, Chiral HPLC ≥ 98% (ee) || Purity by HPLC ≥ 99% | 52794-99-7 L-3,4-Dichlorophenylalanine|02854|52794-99-7 https://www.jk-sci.com/products/j5302882 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e57fc3bf467b1f6844f5d012aafd74c.jpg?v=1791420126 Na-Fmoc-Nw-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-D-arginine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1bcba0b1-8c1c-447b-93db-70f62ea7a00d.png?v=1791724501 Moxifloxacin Impurity 100, 99.80% Moxifloxacin Impurity 100|C4X-1074100 https://www.jk-sci.com/products/j5303027 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8315897f9763d93053987474888606cd.jpg?v=1791420037 Nw-Nitro-D-arginine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 50912-92-0 Nw-Nitro-D-arginine methyl ester hydrochloride|03027|50912-92-0 https://www.jk-sci.com/products/a01131645 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131645.png?v=1788932036 Dimethyl sebacate, 94% | 106-79-6 Dimethyl sebacate, 94%|131645|106-79-6 https://www.jk-sci.com/products/j5303081 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/271e1f0149d3e85c181f5acfea83a2ef.jpg?v=1791419945 Na-Benzoyl-L-histidine | 5354-94-9 Na-Benzoyl-L-histidine|03081|5354-94-9 https://www.jk-sci.com/products/s57c4x-1074122 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db47da2aa7646f3db976424ab6ed938_dcc2f686-62c3-425d-bb42-ad171f351bdd.jpg?v=1791724492 Sodium 1-ethoxy-1,3-dioxopropan-2-ide, 72.60% | 58986-28-0 Sodium 1-ethoxy-1,3-dioxopropan-2-ide|C4X-1074122|58986-28-0 https://www.jk-sci.com/products/j5303101 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1eef24a859a7d010e15c50c4bf4bb15.jpg?v=1791419906 Na-Benzoyl-L-lysine, Purity by HPLC ≥ 98% | 366-74-5 Na-Benzoyl-L-lysine|03101|366-74-5 https://www.jk-sci.com/products/j5303105 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93f52990ae9a147e9001605e18956349.jpg?v=1791419896 L-Methionine methyl ester hydrochloride, Purity by HPLC ? 98% | 2491-18-1 L-Methionine methyl ester hydrochloride|03105|2491-18-1 https://www.jk-sci.com/products/j5303110 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7497ce3291cf443ce9f38f9d02f175c2.jpg?v=1791419884 Na-Benzoyl-L-ornithine, Purity by HPLC ≥ 98% | 17966-71-1 Na-Benzoyl-L-ornithine|03110|17966-71-1 https://www.jk-sci.com/products/j5303123 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37e411a7a6a05001f97ae68877f6c2d3.jpg?v=1791419860 Benzoyl-L-phenylalanine, Purity by HPLC ≥ 98% | 2566-22-5 Benzoyl-L-phenylalanine|03123|2566-22-5 https://www.jk-sci.com/products/s57c4x-1074162 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17d39940d81ce75e22ee9023fcf66bd6.jpg?v=1791724485 Moxifloxacin impurity 162, 97.40% | 90800-42-3 Moxifloxacin impurity 162|C4X-1074162|90800-42-3 https://www.jk-sci.com/products/s57c4x-107613 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a31b05555cf29564024085f7d420c90.jpg?v=1791724410 Tenofovir disoproxil Impurity 13, 98.20% | 1244022-54-5 Tenofovir disoproxil Impurity 13|C4X-107613|1244022-54-5 https://www.jk-sci.com/products/s57c4x-107431 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5aa7f837ca1c742daaf276e5f0badade.jpg?v=1791724466 Moxifloxacin EP Impurity H, 97.20% | 721970-35-0 Moxifloxacin EP Impurity H|C4X-107431|721970-35-0 https://www.jk-sci.com/products/j5303198 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d09ec2c0fecf20aefa35a7a5cf9b018c.jpg?v=1791419722 Fmoc-L-leucinol, Purity by HPLC ≥ 98% | 139551-83-0 Fmoc-L-leucinol|03198|139551-83-0 https://www.jk-sci.com/products/j5303149 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af2d24d964a55ea1134bf674fbc893f0.jpg?v=1791419810 Na-Benzoyl-L-tryptophan, Purity by HPLC ≥ 99% | 4302-66-3 Na-Benzoyl-L-tryptophan|03149|4302-66-3 https://www.jk-sci.com/products/a012288242 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0216eba9caacbcf74ce01708941c27e8.jpg?v=1788926608 S,S-Diphenylsulfoximine, 95% | 22731-83-5 S,S-Diphenylsulfoximine, 95%|2288242|22731-83-5 https://www.jk-sci.com/products/j5303200 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f995dc4db2c76130cd677c1717657d21.jpg?v=1791419717 Na-Boc-Ne-Z-L-lysinol, Purity by HPLC ≥ 98% | 82689-20-1 Na-Boc-Ne-Z-L-lysinol|03200|82689-20-1 https://www.jk-sci.com/products/j5303176 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac7f20c82187d4fa9ce1e7e5563d0cd9.jpg?v=1791419766 Fmoc-L-asparaginol, Purity by HPLC ≥ 97% | 260450-76-8 Fmoc-L-asparaginol|03176|260450-76-8 https://www.jk-sci.com/products/j5303168 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/376d948a5b996138bc4a51d77c462f71.jpg?v=1791419778 L-Valine tert-butyl ester hydrochloride, Purity by HPLC ≥ 98% | 13518-40-6 L-Valine tert-butyl ester hydrochloride|03168|13518-40-6 https://www.jk-sci.com/products/s57c4x-107428 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4795ba973c5ff8b708f7fa48cab2db93.jpg?v=1791724475 Moxifloxacin Impurity 28, 96.00% | 172426-88-9 Moxifloxacin Impurity 28|C4X-107428|172426-88-9 https://www.jk-sci.com/products/s57c4x-107494 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bbb0939e-0a6e-48b3-91dc-6a179312b61e.png?v=1791724434 Moxifloxacin Impurity 94, 90.80% Moxifloxacin Impurity 94|C4X-107494 https://www.jk-sci.com/products/s57c4x-10745 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37d836ebbaf082888d0173df730ad385.jpg?v=1791724455 Moxifloxacin EP Impurity E Hydrobromide, 98.10% | 1292904-74-5 Moxifloxacin EP Impurity E Hydrobromide|C4X-10745|1292904-74-5 https://www.jk-sci.com/products/a01132947 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/132947.png?v=1790216456 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/133506.png?v=1788001942 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cb03ceef140104ef03e12ca8a7607d0.jpg?v=1791419739 Fmoc-L-glutaminol, Purity ≥ 98% (NMR) | 260450-77-9 Fmoc-L-glutaminol|03185|260450-77-9 https://www.jk-sci.com/products/j5303181 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/379e9ddbe8716974a2389170b30027c3.jpg?v=1791419755 S-benzyl-L-cysteinol, Purity by HPLC ≥ 99% | 85803-43-6 S-benzyl-L-cysteinol|03181|85803-43-6 https://www.jk-sci.com/products/j5303154 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a485de5eb1d7c86d64eab29c25ae9c3.jpg?v=1791419802 Benzoyl-L-tyrosine ethyl ester, Purity by HPLC ≥ 98% | 3483-82-7 Benzoyl-L-tyrosine ethyl ester|03154|3483-82-7 https://www.jk-sci.com/products/j5303178 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fff43b667b3e6fd09dd9e3d91d2d8ba.jpg?v=1791419760 S-4-methylbenzyl-L-cysteinol, Purity by HPLC ≥ 99% | 438237-83-3 S-4-methylbenzyl-L-cysteinol|03178|438237-83-3 https://www.jk-sci.com/products/j5303193 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8909ba7c6597a6a4f951074a691cf7df.jpg?v=1791419733 Fmoc-L-isoleucinol, Purity by HPLC ≥ 99% | 133565-46-5 Fmoc-L-isoleucinol|03193|133565-46-5 https://www.jk-sci.com/products/a012284012 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7b14fcdf1b88b41b0acf19aeff1a631.jpg?v=1787995998 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd5ed892896e66e50647f3e20808d86d.jpg?v=1791419749 Boc-S-benzyl-L-cysteinol, Purity by HPLC ≥ 98% | 139428-96-9 Boc-S-benzyl-L-cysteinol|03183|139428-96-9 https://www.jk-sci.com/products/a012288243 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6020a25c919ec25709d3fe762e30b678.jpg?v=1788926605 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9832160c9ddce31814a1092183707941.jpg?v=1791724423 Tenofovir disoproxil, 95.60% | 202138-50-9 Tenofovir disoproxil|C4X-1076|202138-50-9 https://www.jk-sci.com/products/a01229971 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352835.png?v=1790213474 1-Phenylimidazole, 97% | 7164-98-9 1-Phenylimidazole, 97%|229971|7164-98-9 https://www.jk-sci.com/products/a01230306 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/230306.png?v=1788926564 Isopropylboronic acid, 98% | 80041-89-0 Isopropylboronic acid, 98%|230306|80041-89-0 https://www.jk-sci.com/products/j5303203 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be869c8bc2aeda6e05a5abb1df99f740.jpg?v=1791419712 Na-Fmoc-Ne-Boc-L-lysinol, Purity by HPLC ≥ 98% | 198561-38-5 Na-Fmoc-Ne-Boc-L-lysinol|03203|198561-38-5 https://www.jk-sci.com/products/j5303220 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17c233c11293eb12cc696222a0aefa43.jpg?v=1791419685 Boc-O-benzyl-L-serinol, Purity ≥ 98% | 79069-15-1 Boc-O-benzyl-L-serinol|03220|79069-15-1 https://www.jk-sci.com/products/j5303206 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a7d9a5c10c339e7eb07d3c68f5355039.jpg?v=1791419708 Boc-L-methioninol, Purity by HPLC ≥ 98% | 51372-93-1 Boc-L-methioninol|03206|51372-93-1 https://www.jk-sci.com/products/s57c4x-107627 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/326138_61af15d0-f345-4d55-a3a3-cfe4573c2084.png?v=1791724401 Tenofovir disoproxil Impurity 27, 87.60% | 2491-20-5 Tenofovir disoproxil Impurity 27|C4X-107627|2491-20-5 https://www.jk-sci.com/products/j5303223 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/66514e8463b0214a8ba65034bda9f9cf.jpg?v=1791419684 O-Benzyl-L-threoninol, Purity ≥ 98% | 160841-03-2 O-Benzyl-L-threoninol|03223|160841-03-2 https://www.jk-sci.com/products/j5303226 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ceb8085dabdfa3d91f06ee714f349559.jpg?v=1791419680 Fmoc-O-tert-butyl-L-threoninol, Purity by HPLC ≥ 98.5% | 189337-28-8 Fmoc-O-tert-butyl-L-threoninol|03226|189337-28-8 https://www.jk-sci.com/products/j5303231 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1bf229ec88983ad7fa1af35839e6e70.jpg?v=1791419671 Tyrosinol(benzyl), Purity by HPLC ≥ 98% | 85803-44-7 Tyrosinol(benzyl)|03231|85803-44-7 https://www.jk-sci.com/products/j5303247 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3faa0e885456e1a0912a485cb8643015.jpg?v=1791419645 4-(4-Hydroxymethyl-3-methoxyphenoxy)-butyric acid, Purity by HPLC ≥ 99% | 136849-75-7 4-(4-Hydroxymethyl-3-methoxyphenoxy)-butyric acid|03247|136849-75-7 https://www.jk-sci.com/products/j5303235 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3f95ee08c7dbfe2d3037818a85af4a7.jpg?v=1791419667 Fmoc-O-tert-butyl-L-tyrosinol, Purity by HPLC ≥ 98% | 187526-99-4 Fmoc-O-tert-butyl-L-tyrosinol|03235|187526-99-4 https://www.jk-sci.com/products/s57c4x-107635 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e195d8cbec105231439c64e3f61adea.jpg?v=1791724391 Tenofovir Disoproxil Impurity 35, 94.30% | 14047-27-9 Tenofovir Disoproxil Impurity 35|C4X-107635|14047-27-9 https://www.jk-sci.com/products/j5303263 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2240004cfa1ce89464f909d3756cbbc6.jpg?v=1791419635 Acetyl-L-threonine methyl ester, Purity by HPLC ≥ 95% | 2458-78-8 Acetyl-L-threonine methyl ester|03263|2458-78-8 https://www.jk-sci.com/products/s57c4x-107640 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/462785_f7b8ea74-ce63-490c-94ae-b2121b6c2fea.png?v=1791724389 Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F), 97.60% | 68-94-0 Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F)|C4X-107640|68-94-0 https://www.jk-sci.com/products/j5303295 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1bb934928d55fe974ddfa45693ee345.jpg?v=1791419606 S-(2-Aminoethyl-L-cysteine hydrochloride, Assay ≥ 98% (Elemental analysis based on Nitrogen content) || Titration Chloride | 4099-35-8 S-(2-Aminoethyl-L-cysteine hydrochloride|03295|4099-35-8 https://www.jk-sci.com/products/j5303273 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4301f79fa6afb1335d32151d2c0fe62f.jpg?v=1791419623 Ala-Ala-OH, Purity by HPLC ≥ 98% | 1948-31-8 Ala-Ala-OH|03273|1948-31-8 https://www.jk-sci.com/products/s57c4x-107648 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29bb92e5a79f13583c58f5a57905cc2_08f12208-7942-4b65-b552-b37e30c012e8.jpg?v=1791724386 D-Alanine Isopropyl Ester HCl, Purity: 98.3% | 39613-92-8 D-Alanine Isopropyl Ester HCl|C4X-107648|39613-92-8 https://www.jk-sci.com/products/j5303298 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cdb801974aa16409f7d503404cc319bf.jpg?v=1791419599 L-Arginine amide dihydrochloride, Titration Chloride content : ≤ 26% (AgNO3) | 14975-30-5 L-Arginine amide dihydrochloride|03298|14975-30-5 https://www.jk-sci.com/products/j5303306 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0fd2f90b43c413ec448a9cfe45ca04b3.jpg?v=1791419590 D-Aspartic acid b tert-butyl ester, Purity ≥ 99% | 64960-75-4 D-Aspartic acid b tert-butyl ester|03306|64960-75-4 https://www.jk-sci.com/products/j5302182 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52e953ba85adb878dea6b55ad58cdbe2.jpg?v=1791421139 Z-Gly-Pro-OH, Assay ≥ 95% | 1160-54-9 Z-Gly-Pro-OH|02182|1160-54-9 https://www.jk-sci.com/products/s57c4x-107651 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_78b98bdc-c309-46e5-abcd-202eda01d15a.png?v=1791724380 Tenofovir Trimer Impurity 51, Purity: 99.6% Tenofovir Trimer Impurity 51|C4X-107651 https://www.jk-sci.com/products/j5302504 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/353a4886728f6cb7129be8b0e1cc6fd0.jpg?v=1791420651 Boc-L-proline 4-oxymethylphenylacetamidomethyl resin, Mesh Size 100 - 200 mesh (Microscopy method) || Substitution (meq/g) 0.3 - 0.8 m Boc-L-proline 4-oxymethylphenylacetamidomethyl resin|02504 https://www.jk-sci.com/products/j5302628 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/665a631236e342d42984f78b7b80280b.jpg?v=1791420480 Acetyl-L-phenylalanine amide, Assay ≥ 99.5% (Nth 13.58%) | 7376-90-1 Acetyl-L-phenylalanine amide|02628|7376-90-1 https://www.jk-sci.com/products/j5302749 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235fc0c20a9f4db6de410bc8c5a9900c.jpg?v=1791420273 Na-Boc-D-asparagine Merrifield resin (0.1 - 0.5 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.1-0.5 Na-Boc-D-asparagine Merrifield resin (0.1 - 0.5 meq/g, 100 - 200 mesh)|02749 https://www.jk-sci.com/products/a01231173 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231173.png?v=1790213450 3-Indoleacrylic acid, 98% | 1204-06-4 3-Indoleacrylic acid, 98%|231173|1204-06-4 https://www.jk-sci.com/products/j5302694 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07a827e6efa0076b6a1894379421784d.jpg?v=1791420361 L-Aspartic acid a-benzyl ester, Purity by HPLC ≥ 99% | 7362-93-8 L-Aspartic acid a-benzyl ester|02694|7362-93-8 https://www.jk-sci.com/products/a01231584 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231584.png?v=1788926511 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02a3c933c4eed85fcbc5c7a983c2619f.jpg?v=1791420258 Na-Boc-D-glutamine Merrifield resin (0.25 - 0.7 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-0.7 Na-Boc-D-glutamine Merrifield resin (0.25 - 0.7 meq/g, 100 - 200 mesh)|02761 https://www.jk-sci.com/products/j5302788 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439d28dfc3e092fed7ecee35f79c8b5a.jpg?v=1791420211 Boc-D-valine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.3-1.2 meq/g Boc-D-valine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh)|02788 https://www.jk-sci.com/products/j5302902 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/020f3329fe4512ac0eb0fa83c01ab1f1.jpg?v=1791420095 Boc-O-benzyl-D-threonine, Assay ≥ 99% || Purity by HPLC ≥ 98% | 69355-99-3 Boc-O-benzyl-D-threonine|02902|69355-99-3 https://www.jk-sci.com/products/s57c4x-10767 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c44bbb2e73bc55b8991ef01d531f17c.jpg?v=1791724371 Tenofovir disoproxil Impurity 7, 94.50% | 1422284-17-0 Tenofovir disoproxil Impurity 7|C4X-10767|1422284-17-0 https://www.jk-sci.com/products/a01231723 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231723.png?v=1790213432 2-Methylindole-3-carboxaldehyde, 97% | 5416-80-8 2-Methylindole-3-carboxaldehyde, 97%|231723|5416-80-8 https://www.jk-sci.com/products/j5303088 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7d93465842c4489d0ea07541c243a834.jpg?v=1791419927 D-Leucine amide hydrochloride, Purity by HPLC ≥ 98% | 80970-09-8 D-Leucine amide hydrochloride|03088|80970-09-8 https://www.jk-sci.com/products/j5303102 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aec4b71c8669a6128c9010b6ab19ec0.jpg?v=1791419902 Na-Benzoyl-L-lysine methyl ester hydrochloride, Purity by HPLC ≥ 98% | 14280-01-4 Na-Benzoyl-L-lysine methyl ester hydrochloride|03102|14280-01-4 https://www.jk-sci.com/products/a012323907 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1eab6720022b1b93a994534a77196ce.jpg?v=1787995800 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e502331fabfb2b3d99396537102a8832.jpg?v=1787995810 2,3-Dimethoxypyrazine, 97% | 68468-30-4 2,3-Dimethoxypyrazine, 97%|2323084|68468-30-4 https://www.jk-sci.com/products/a01232482 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232482.png?v=1790213416 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1bf5e4608bcec333f1a78ead7521cfa.jpg?v=1791419866 L-Phenylalanine ethyl ester hydrochloride, Purity by HPLC ≥ 98% | 3182-93-2 L-Phenylalanine ethyl ester hydrochloride|03120|3182-93-2 https://www.jk-sci.com/products/j5303180 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/926958322b1577f795e5cc8a3c9c1990.jpg?v=1791419755 Boc-S-4-methylbenzyl-D-cysteinol, Purity by HPLC ≥ 99% Boc-S-4-methylbenzyl-D-cysteinol|03180 https://www.jk-sci.com/products/j5303150 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d07450991b3f14e62cea670fff8257.jpg?v=1791419809 L-Tryptophan amide hydrochloride, Purity by HPLC ≥ 98% | 5022-65-1 L-Tryptophan amide hydrochloride|03150|5022-65-1 https://www.jk-sci.com/products/j5303175 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c686441e28958aaf2fb3d3f31dfda787.jpg?v=1791419766 Na-Fmoc-Ng-tert-butyl-L-asparaginol, Purity by HPLC ≥ 98% | 133565-45-4 Na-Fmoc-Ng-tert-butyl-L-asparaginol|03175|133565-45-4 https://www.jk-sci.com/products/a01232493 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/597192.png?v=1790691750 3-Nitrophenylboronic acid, 97.5% | 13331-27-6 3-Nitrophenylboronic acid, 97.5%|232493|13331-27-6 https://www.jk-sci.com/products/a012328009 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ece7843629bfe7c5238552a943dcb00b.jpg?v=1790213410 Ticagrelor impurity-10, 95% | 1616703-93-5 Ticagrelor impurity-10, 95%|2328009|1616703-93-5 https://www.jk-sci.com/products/j5303184 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/921f7dd05f23d09e15b509bcce883ed9.jpg?v=1791419744 Boc-S-benzyl-D-cysteinol, Purity by HPLC ≥ 98% | 198470-16-5 Boc-S-benzyl-D-cysteinol|03184|198470-16-5 https://www.jk-sci.com/products/a01232908 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339120.png?v=1790213405 1-Acetylpiperazine, 99% | 13889-98-0 1-Acetylpiperazine, 99%|232908|13889-98-0 https://www.jk-sci.com/products/j5300644 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1520df78382d5f66a94f0462c5be108f.jpg?v=1791422769 Coenzyme A hydrate, Assay ≥ 88% | 85-61-0 Coenzyme A hydrate|00644|85-61-0 https://www.jk-sci.com/products/s57c4x-10771 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/628064_342016ad-8157-4ad2-83da-76f2eed05196.png?v=1791724348 Entecavir, 94.00% | 142217-69-4 Entecavir|C4X-10771|142217-69-4 https://www.jk-sci.com/products/s57c4x-107696 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258734.png?v=1791724356 Tenofovir disoproxil Impurity 96, 98.00% | 35180-01-9 Tenofovir disoproxil Impurity 96|C4X-107696|35180-01-9 https://www.jk-sci.com/products/j5303197 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5b3e78b4beab16d252012873d2290f0.jpg?v=1791419722 Boc-D-leucinol, Purity by HPLC ≥ 97% | 106930-51-2 Boc-D-leucinol|03197|106930-51-2 https://www.jk-sci.com/products/j5303202 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6a504eef1168128bd3d6235d6181f95.jpg?v=1791419714 Na-Boc-Ne-2-chloro-Z-L-lysinol, Purity by HPLC ≥ 98% | 198476-84-5 Na-Boc-Ne-2-chloro-Z-L-lysinol|03202|198476-84-5 https://www.jk-sci.com/products/s57c4x-107711 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5aa9c21fb1af8417e101b1b7dbc94fa6.jpg?v=1791724345 Entecavir EP Impurity D, 90.80% | 1367369-80-9 Entecavir EP Impurity D|C4X-107711|1367369-80-9 https://www.jk-sci.com/products/s57c4x-107715 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/972507.png?v=1791724343 Entecavir Impurity 15, 99.70% | 142217-81-0 Entecavir Impurity 15|C4X-107715|142217-81-0 https://www.jk-sci.com/products/j5303218 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68ab655069188c6ceef664f7423e5e95.jpg?v=1791419689 Fmoc-L-prolinol, Assay ≥ 99% | 148625-77-8 Fmoc-L-prolinol|03218|148625-77-8 https://www.jk-sci.com/products/j5303225 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08868f38105f0ef44e0fe2f6614f5a56.jpg?v=1791419681 Boc-O-benzyl-D-threoninol, Purity by HPLC ≥ 99% | 168034-31-9 Boc-O-benzyl-D-threoninol|03225|168034-31-9 https://www.jk-sci.com/products/j5303234 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/362eeb2127b16e870814f4ceaf899252.jpg?v=1791419667 Boc-O-2,6-dichlorobenzyl-L-tyrosinol, Purity by HPLC ≥ 98% | 169393-62-8 Boc-O-2,6-dichlorobenzyl-L-tyrosinol|03234|169393-62-8 https://www.jk-sci.com/products/s57c4x-107721 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2eefcd5368ef4316932ddfd124728f03.jpg?v=1791724335 Entecavir EP Impurity C, 95.80% | 2204369-23-1 Entecavir EP Impurity C|C4X-107721|2204369-23-1 https://www.jk-sci.com/products/a012332251 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9b2e22b4fd1f1f800ffdb7cd03ba8ea6.jpg?v=1787995652 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec5214c9f5c55943c0a9a9f27652b916.jpg?v=1791419639 Na-Acetyl-L-ornithine, Assay ≥ 99% | 6205-08-9 Na-Acetyl-L-ornithine|03260|6205-08-9 https://www.jk-sci.com/products/j5303287 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d6639a790fc268842d9c67a40e4e48b9.jpg?v=1791419617 Ala-Phe-OH, Purity by HPLC ≥ 98% | 3061-90-3 Ala-Phe-OH|03287|3061-90-3 https://www.jk-sci.com/products/a01233887 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233887.png?v=1790213387 4-Isopropylthiophenylboronic acid, 98% | 380427-38-3 4-Isopropylthiophenylboronic acid, 98%|233887|380427-38-3 https://www.jk-sci.com/products/j5303316 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b9d5df3eed816e239d7af4afc64af24a.jpg?v=1791419585 O-tert-Butyl-L-threonine-tert-butyl ester, Purity by GC ≥ 99% | 5854-78-4 O-tert-Butyl-L-threonine-tert-butyl ester|03316|5854-78-4 https://www.jk-sci.com/products/s57c4x-107760 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/890312_c5d5eed9-caa8-496c-8325-54f499788061.png?v=1791724328 Entecavir Impurity 60, 99.70% | 142217-77-4 Entecavir Impurity 60|C4X-107760|142217-77-4 https://www.jk-sci.com/products/a012350901 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/724925f47970f7e311385c7dd6370cf6.jpg?v=1788926310 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74737cced172304261ccaec780892424.jpg?v=1791419600 D-Aspartic acid b-benzyl ester, Purity by HPLC ≥ 98% | 13188-89-1 D-Aspartic acid b-benzyl ester|03304|13188-89-1 https://www.jk-sci.com/products/a01235065 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235065.png?v=1788926318 1-Adamantylthiourea, 95% | 25444-82-0 1-Adamantylthiourea, 95%|235065|25444-82-0 https://www.jk-sci.com/products/a01234002 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/351371_43061a77-17a4-47dd-9ae1-a366b7d3b9f8.png?v=1790213374 2-Phenylpropionic acid, 98% | 492-37-5 2-Phenylpropionic acid, 98%|234002|492-37-5 https://www.jk-sci.com/products/a01234972 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234972.png?v=1788926327 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/234435_3c643ecc-8e3a-4032-9d48-ab73ba412a2d.png?v=1787995588 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10f68282ec359e5b83465b1bfebeb694.jpg?v=1791419552 Glycine benzyl ester hydrochloride, Purity by HPLC ≥ 98% | 2462-31-9 Glycine benzyl ester hydrochloride|03352|2462-31-9 https://www.jk-sci.com/products/s57c4x-107833 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0f0b45931d8cd432b5f73930eb89cd73.jpg?v=1791724315 Pidotimod Impurity 33, 94.30% | 29227-92-7 Pidotimod Impurity 33|C4X-107833|29227-92-7 https://www.jk-sci.com/products/j5303322 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c6f9970511d0ffefb35a42982609515.jpg?v=1791419575 4-Chloro-DL-phenylalanine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 14173-40-1 4-Chloro-DL-phenylalanine methyl ester hydrochloride|03322|14173-40-1 https://www.jk-sci.com/products/j5303356 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f7fb1f047a45b2951d59ac482b1d349.jpg?v=1791419555 Gly-Glu-OH, Assay ≥ 95% (Nth 13.72%, Nfd 13.10%) || Purity by HPLC ≥ 98% | 7412-78-4 Gly-Glu-OH|03356|7412-78-4 https://www.jk-sci.com/products/j5303371 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e9ada4f1f4698b3dafb595cfca3f8bf.jpg?v=1791419541 L-Histidine amide dihydrochloride | 71666-95-0 L-Histidine amide dihydrochloride|03371|71666-95-0 https://www.jk-sci.com/products/j5303382 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea7759b7e7c96b75316dc1c699bf4124.jpg?v=1791419526 Leu-Gly-OH, Purity by HPLC ≥ 95% | 686-50-0 Leu-Gly-OH|03382|686-50-0 https://www.jk-sci.com/products/s57c4x-10791 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cba7f28025e60e4596d31bd9010484a.jpg?v=1791724309 Tofacitinib Impurity 1, 96.30% | 1092578-46-5 Tofacitinib Impurity 1|C4X-10791|1092578-46-5 https://www.jk-sci.com/products/j5303408 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce6c4997536eeb7ede212a2700c698c7.jpg?v=1791419510 L-Phenylalanine 4-nitroanilide, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 2360-97-6 L-Phenylalanine 4-nitroanilide|03408|2360-97-6 https://www.jk-sci.com/products/a01235288 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/522798.png?v=1790213340 p-Methyl terephthalate, 97% | 1679-64-7 p-Methyl terephthalate, 97%|235288|1679-64-7 https://www.jk-sci.com/products/j5303444 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93a25aad6b8ae7c174d83796113d1b44.jpg?v=1791419498 L-Valine benzyl ester hydrochloride, Purity by HPLC ≥ 99% | 2462-34-2 L-Valine benzyl ester hydrochloride|03444|2462-34-2 https://www.jk-sci.com/products/s57c4x-1079103 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0144057d-4c8f-477e-80e0-4cc1c017cd5f.png?v=1791724302 Tofacitinib Impurity 103, 95.20% Tofacitinib Impurity 103|C4X-1079103 https://www.jk-sci.com/products/j5303457 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/810781f398f325e1203080bce6a10df3.jpg?v=1791419481 D-Aspartic acid b-tert-butyl 2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3 - 0.9 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235365.png?v=1790213335 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d56cd5a616cb0d0b5f4b193553619732.jpg?v=1791419487 Nw-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-D-arginine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 -, Mesh Size 200-400 || Substitution (meq/g) 03 - 1.0 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/430606.png?v=1788926239 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235595.png?v=1790213331 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236199.png?v=1790213314 2-Propylimidazole, 98% | 50995-95-4 2-Propylimidazole, 98%|236199|50995-95-4 https://www.jk-sci.com/products/a01236928 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef7e6e3289535b5f69a579dbc7413bab.jpg?v=1790213297 2,4-Dichloropyridine, 98% | 26452-80-2 2,4-Dichloropyridine, 98%|236928|26452-80-2 https://www.jk-sci.com/products/j5303472 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/982d2343ceacce190302da2255ef2640.jpg?v=1791419470 L-Isoleucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3-1.0 meq/g L-Isoleucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh)|03472 https://www.jk-sci.com/products/a01236111 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236111.png?v=1790213319 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eaf288db072721832cc17fdb749eb9e.jpg?v=1791419457 L-Tryptophan-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh), Mesh Size 200 - 400 mesh || Substitution (meq/g) 0.3 - 0.8 meq/g L-Tryptophan-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|03490 https://www.jk-sci.com/products/j5303530 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1efe818b457fa8fb6310141964152d9d.jpg?v=1791419435 Na,im-Bis-Fmoc-L-histidine, Purity by HPLC ≥ 98% | 98929-98-7 Na,im-Bis-Fmoc-L-histidine|03530|98929-98-7 https://www.jk-sci.com/products/j5303459 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9113b559fbd1fb26d34f126b3de2cebd.jpg?v=1791419481 S-Trityl-D-cysteine-2-chlorotrityl resin (0.3 - 0.8 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3-0.8 meq/g 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5bb225a52c9d15a0cb5a53d8c788c854.jpg?v=1791724288 Tofacitinib Impurity 13, 96.50% | 1812890-23-5 Tofacitinib Impurity 13|C4X-107913|1812890-23-5 https://www.jk-sci.com/products/j5303558 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a51fd0be0b8def7ed866bc2d67532c00.jpg?v=1791419411 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238578.png?v=1790213270 Hydroquinonesulfonic acid potassium salt, 98% | 21799-87-1 Hydroquinonesulfonic acid potassium salt, 98%|238578|21799-87-1 https://www.jk-sci.com/products/j5303570 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb18c6a38c1cf1df7d0c972d9116e9e3.jpg?v=1791419395 5'-O-(4,4'-dimethoxytrityl)-2'-deoxyguanosine, Purity by HPLC ≥ 98.5% || Purity by UV Conforms to standard | 81144-43-6 5'-O-(4,4'-dimethoxytrityl)-2'-deoxyguanosine|03570|81144-43-6 https://www.jk-sci.com/products/a01239057 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239057.png?v=1790691741 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3aaadd132bfd2cda4f06ac0ecba7896c.jpg?v=1791419371 Fmoc-O-allyl-L-tyrosine, Purity by HPLC ≥ 98% || Purity ≥ 98% | 146982-30-1 Fmoc-O-allyl-L-tyrosine|03617|146982-30-1 https://www.jk-sci.com/products/s57c4x-107916 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7158b39154d0f7617e2b17f23f850b87.jpg?v=1791724279 Tofacitinib Impurity 16, 86.50% | 2328165-36-0 Tofacitinib Impurity 16|C4X-107916|2328165-36-0 https://www.jk-sci.com/products/j5303667 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88ea189e5b7d12e84df38f994934722e.jpg?v=1791419359 DMT-C(N-bz) 2'OMe, Purity by HPLC ≥ 99% | 110764-74-4 DMT-C(N-bz) 2'OMe|03667|110764-74-4 https://www.jk-sci.com/products/s57c4x-1079167 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b200bb44-390b-41cf-805d-75ea11ab26dd.png?v=1791724278 Tofacitinib Impurity 167, Purity: 99.6% Tofacitinib Impurity 167|C4X-1079167 https://www.jk-sci.com/products/s57c4x-1079182 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8619c9d01fbe4c44d35428d13d32bc40.jpg?v=1791724271 Tofacitinib Impurity 182, Purity: 95.1% | 1053228-28-6 Tofacitinib Impurity 182|C4X-1079182|1053228-28-6 https://www.jk-sci.com/products/j5303676 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da50975af7d8daf26fbe0d7f18262657.jpg?v=1791419344 Boc-Ser(Bzl)-OSu | 13650-73-2 Boc-Ser(Bzl)-OSu|03676|13650-73-2 https://www.jk-sci.com/products/ts246cs-0095470 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34928ad5a9f1992062b354818f17d669.jpg?v=1791668444 (S)-3-(((Benzyloxy)carbonyl)amino)-4-methylpentanoic acid, 97% | 245323-45-9 (S)-3-(((Benzyloxy)carbonyl)amino)-4-methylpentanoic acid|CS-0095470|245323-45-9 https://www.jk-sci.com/products/a01239282 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/239282.png?v=1790213235 2-Iodo-m-xylene, 98% | 608-28-6 2-Iodo-m-xylene, 98%|239282|608-28-6 https://www.jk-sci.com/products/a01941440 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534589.png?v=1788913555 3-(Bromoacetyl)pyridine hydrobromide, 97% | 17694-68-7 3-(Bromoacetyl)pyridine hydrobromide, 97%|941440|17694-68-7 https://www.jk-sci.com/products/a019416886 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69c40a9c1c423e0af1e0734c8ac53878.jpg?v=1787977622 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1aaf7e3e-0fa1-4686-91aa-7cbc3b620ff2.png?v=1787977612 (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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/374e4c2d1e130aee7f1f356ceebbc766.jpg?v=1791419274 Na-Fmoc-Nd-methyltrityl-D-Ornithine, Assay ≥ 92% || Purity by HPLC ≥ 99% | 198545-20-9 Na-Fmoc-Nd-methyltrityl-D-Ornithine|03731|198545-20-9 https://www.jk-sci.com/products/j5303702 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2635190a26021672f2660c14d659ea59.jpg?v=1791419324 Na-Fmoc-Nb-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-2,3-diaminopropionic acid, Assay by titration 98 - 101% || Purity by HPLC ≥ 99% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/efc6cfc9597251d25717be1cd4a5ca53.jpg?v=1791419333 (3S)-1,2,3,4-Tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid dihydrate, Purity by HPLC ≥ 99% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddfa22e0b37d6ec4b456a76c55aaec20.jpg?v=1791419263 Fmoc-O-tert-butyl-L-serine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 158000-21-6 Fmoc-O-tert-butyl-L-serine N-hydroxysuccinimide ester|03736|158000-21-6 https://www.jk-sci.com/products/a019417472 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9ef39974cc85ab89a76d01a3a628a4c.jpg?v=1787977608 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1e98fda2ea5ef4961d44f33e4502e6f.jpg?v=1791420408 Na-Z-Na-Methyl-L-phenylalanine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 2899-08-3 Na-Z-Na-Methyl-L-phenylalanine dicyclohexylammonium salt|02669|2899-08-3 https://www.jk-sci.com/products/s57c4x-107927 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f79fa9f167eb91feb222ebc97779239b.jpg?v=1791724257 Tofacitinib Impurity 27, 90.00% | 2028267-73-2 Tofacitinib Impurity 27|C4X-107927|2028267-73-2 https://www.jk-sci.com/products/j5302337 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a35aaf0428e7339408add244ab25322.jpg?v=1791420911 2-Nitrobenzoic acid, Assay ≥ 95% | 552-16-9 2-Nitrobenzoic acid|02337|552-16-9 https://www.jk-sci.com/products/j5302756 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/af7d719c5a7bd24e021539bc512710c7.jpg?v=1791420264 Boc-S-4-methylbenzyl-D-cysteine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-1.0 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea0994151e914dc5c255b7fd32a28a8a.jpg?v=1791420154 Menadione, Assay by titration ≥ 98% | 58-27-5 Menadione|02868|58-27-5 https://www.jk-sci.com/products/j5303097 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c31db4cafdc7498214ea0e1786a5fbd.jpg?v=1791419916 Ne-Boc-D-lysine, Purity by HPLC ≥ 98% | 31202-69-4 Ne-Boc-D-lysine|03097|31202-69-4 https://www.jk-sci.com/products/a01941771 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/470187_c8719018-9d89-48ea-bfc4-13c6eab5f948.png?v=1790205942 1-Indanone, 99% | 83-33-0 1-Indanone, 99%|941771|83-33-0 https://www.jk-sci.com/products/s57c4x-107933 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289f199463837386070b11cd51182e31.jpg?v=1791724251 Tofacitinib Impurity 33, 98.60% | 1640971-60-3 Tofacitinib Impurity 33|C4X-107933|1640971-60-3 https://www.jk-sci.com/products/j5303138 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455450031523a63c1e3e52f3a604b7c0.jpg?v=1791419830 O-tert-Butyl-D-serine, Assay by titration ≥ 99% || Chiral HPLC ≥ 99.5% (ee) | 18783-53-4 O-tert-Butyl-D-serine|03138|18783-53-4 https://www.jk-sci.com/products/a01941790 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/802120.png?v=1790009154 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e0d4c84f4975d24d895c495ab466f9a.jpg?v=1791419709 D-Methioninol | 87206-44-8 D-Methioninol|03205|87206-44-8 https://www.jk-sci.com/products/j5303186 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/929cc5084c275870a31e2dd3802b331c.jpg?v=1791419739 Fmoc-g-tert-butyl ester-L-glutamol, Purity by HPLC ≥ 98% | 153815-59-9 Fmoc-g-tert-butyl ester-L-glutamol|03186|153815-59-9 https://www.jk-sci.com/products/j5303177 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10acae86a124cb1cb7203a835a296731.jpg?v=1791419766 Na-Fmoc-Ng-trityl-L-asparaginol, Purity by HPLC ≥ 99% | 161529-14-2 Na-Fmoc-Ng-trityl-L-asparaginol|03177|161529-14-2 https://www.jk-sci.com/products/j5303271 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6309c8e411ac1bf7a90778d89ddbc567.jpg?v=1791419623 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701407983a8271b1f74a815168ccf6ef.jpg?v=1791419672 Fmoc-L-tryptophanol, Purity by HPLC ≥ 99% | 153815-60-2 Fmoc-L-tryptophanol|03230|153815-60-2 https://www.jk-sci.com/products/j5303315 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a4c18b494b559ed2e019f7ca815949e.jpg?v=1791419585 O-tert-Butyl-D-threonine, Purity by HPLC ≥ 99% | 201274-81-9 O-tert-Butyl-D-threonine|03315|201274-81-9 https://www.jk-sci.com/products/j5303329 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9339a1d8f8db860ac163d052f047d74c.jpg?v=1791419575 Diazoacetyl-DL-norleucine methyl ester | 7013-09-4 Diazoacetyl-DL-norleucine methyl ester|03329|7013-09-4 https://www.jk-sci.com/products/j5303367 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53311cb2cd0ab46ee98de5a7ea0e194a.jpg?v=1791419542 Gly-Ser-OH, Purity ≥ 98% (ELSD) | 7361-43-5 Gly-Ser-OH|03367|7361-43-5 https://www.jk-sci.com/products/j5303406 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/36a58e006202ea65456345c131fa2f1b.jpg?v=1791419513 D-Norvaline, Assay ? 99% | 2013-12-9 D-Norvaline|03406|2013-12-9 https://www.jk-sci.com/products/a01941940 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/281551.png?v=1787977559 1,4-Dioxane, 99.9%, 超干溶剂, water≤5 ppm, J&Kseal瓶, 添加BHT稳定剂 | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bfe87a4d52c5ce00d1de60430b0fc596.jpg?v=1791724239 Tofacitinib Impurity 6, 96.90% | 477600-74-1 Tofacitinib Impurity 6|C4X-10796|477600-74-1 https://www.jk-sci.com/products/a01941981 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455384_f9b5f2aa-22a1-46c5-bff3-0bfb544fb28f.png?v=1788913537 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18d839e58605d953f5928396991d7334.jpg?v=1791724246 Tofacitinib Impurity 52, Purity: 97.6% | 694495-63-1 Tofacitinib Impurity 52|C4X-107952|694495-63-1 https://www.jk-sci.com/products/a019426119 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b122c0ddbadf25ef9890b301b8d89b8.jpg?v=1787977483 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134271.png?v=1790205925 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b98a354bd2209ffad2402b8d5de4df5e.jpg?v=1791419481 S-Trityl-L-cysteine-2-chlorotrityl resin (0.3 - 1.1 meq/g, 200 - 400 mesh), Mesh Size 200 - 400 mesh || Substitution (meq/g) 0.3 - 1.1 meq/g S-Trityl-L-cysteine-2-chlorotrityl resin (0.3 - 1.1 meq/g, 200 - 400 mesh)|03458 https://www.jk-sci.com/products/j5303474 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6d8deae16d65a808184cf9372c3d0da.jpg?v=1791419466 L-Leucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3-1.0 meq/g L-Leucine-2-chlorotrityl resin (0.3 - 1.0 meq/g, 200 - 400 mesh)|03474 https://www.jk-sci.com/products/j5303447 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f93e2a63c4507cba3ee08224dc581cb8.jpg?v=1791419492 6-((+)-Biotinamidohexanoylamino)hexanoic acid N-hydroxysuccinimide ester, Assay ≥ 96% | 89889-52-1 6-((+)-Biotinamidohexanoylamino)hexanoic acid N-hydroxysuccinimide ester|03447|89889-52-1 https://www.jk-sci.com/products/s57c4x-107984 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6e5506b3ad4fe0d06c8e4ad4561bc260.jpg?v=1791724224 Tofacitinib Impurity 84, 98.90% | 1675248-18-6 Tofacitinib Impurity 84|C4X-107984|1675248-18-6 https://www.jk-sci.com/products/j5303538 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccb9fb193cd24935a1d7c324687af129.jpg?v=1791419424 Rink amide AM resin (with Nle), Mesh Size 200 - 400 mesh || Substitution (meq/g) 0.25 - 0.75 mmol/g Rink amide AM resin (with Nle)|03538 https://www.jk-sci.com/products/a019426121 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_94b76e0b-065c-4704-a132-20c7ac79cbb5.png?v=1787977477 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/faec1c6207a2bb2dabd0bfbfc66405bc.jpg?v=1787977479 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1371de192700492564e177c331f5681d.jpg?v=1791419377 Na-Fmoc-Nd-2,4,6-trimethoxybenzyl-L-glutamine, Purity by HPLC ≥ 99% | 120658-64-2 Na-Fmoc-Nd-2,4,6-trimethoxybenzyl-L-glutamine|03614|120658-64-2 https://www.jk-sci.com/products/s57c4x-108010 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e384759cbd94cce89ac4087e9c16a0e5.jpg?v=1791724220 Etoricoxib Impurity 10, 94.00% | 646459-45-2 Etoricoxib Impurity 10|C4X-108010|646459-45-2 https://www.jk-sci.com/products/j5303668 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42f3741d77e780db25ce4a760fcc047a.jpg?v=1791419354 1,2-Dimethoxyethane, anhydrous, Purity by GC ≥ 99% | 110-71-4 1,2-Dimethoxyethane, anhydrous|03668|110-71-4 https://www.jk-sci.com/products/j5303709 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f8bafe34016145c131c7eb8b3d9d092.jpg?v=1791419315 Fmoc-2-aminoethylbromide, Purity by HPLC ≥ 98% | 340187-12-4 Fmoc-2-aminoethylbromide|03709|340187-12-4 https://www.jk-sci.com/products/j5303684 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11178803cbefbea5e8e4a988923a7ef7.jpg?v=1791419339 Boc-b-(2-thienyl)-D-alanine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 78452-59-2 Boc-b-(2-thienyl)-D-alanine dicyclohexylammonium salt|03684|78452-59-2 https://www.jk-sci.com/products/j5303742 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71433852e2cda85876701d047f2b21a8.jpg?v=1791419251 Fmoc-O-benzylphospho-L-threonine, Purity by HPLC ≥ 98.5% | 175291-56-2 Fmoc-O-benzylphospho-L-threonine|03742|175291-56-2 https://www.jk-sci.com/products/a019426122 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9dfe98f0-180e-4488-9f90-aea15ef606b1.png?v=1787977478 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/770c69bb7f564cea12592cf4933e25d0.jpg?v=1791419228 Fmoc-3-(2'-quinolyl)-D-alanine, Purity by HPLC ≥ 99% | 214852-58-1 Fmoc-3-(2'-quinolyl)-D-alanine|03760|214852-58-1 https://www.jk-sci.com/products/s57c4x-108016 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/411853_d1569004-1b45-4df9-b8ce-f9d4505db9c3.png?v=1791724213 EtoricoxiB impurity 16, Purity: 99.8% | 90536-66-6 EtoricoxiB impurity 16|C4X-108016|90536-66-6 https://www.jk-sci.com/products/j5303770 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275769c28b6827072de0785e3abbb73a.jpg?v=1791419214 Fmoc-S-3-nitro-2-pyridine-sulfenyl-L-cysteine, Purity by HPLC ≥ 98% | 159700-51-3 Fmoc-S-3-nitro-2-pyridine-sulfenyl-L-cysteine|03770|159700-51-3 https://www.jk-sci.com/products/j5303788 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c1698dc5a7f1ba2c264cffead272332e.jpg?v=1791419181 Boc-L-glutamic acid g-tert-butyl ester a-N-hydroxysuccinimide ester, Purity by HPLC ≥ 99% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae1fd47809faf919c643e2f2879cfaee.jpg?v=1791419166 Boc-D-homocitrulline, Purity by HPLC ≥ 99% | 121080-97-5 Boc-D-homocitrulline|03798|121080-97-5 https://www.jk-sci.com/products/j5303807 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/46595f4375a05a143c99535c62d24a3a.jpg?v=1791419154 Boc-L-phenylalanine 4-nitrophenyl ester, Purity by HPLC ≥ 95% | 7535-56-0 Boc-L-phenylalanine 4-nitrophenyl ester|03807|7535-56-0 https://www.jk-sci.com/products/j5303810 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca76a0d82501d3704354dd46e2711ea6.jpg?v=1791419148 Boc-L-proline 4-nitrophenyl ester, Purity by HPLC ≥ 99% | 28310-65-8 Boc-L-proline 4-nitrophenyl ester|03810|28310-65-8 https://www.jk-sci.com/products/j5303815 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d34c557c2391bcc4a7d7e3c554c43fa.jpg?v=1791419142 Na-Boc-L-tryptophan 4-nitrophenyl ester, Purity by HPLC ≥ 98% | 15160-31-3 Na-Boc-L-tryptophan 4-nitrophenyl ester|03815|15160-31-3 https://www.jk-sci.com/products/a019426123 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d989c6fd-b7bc-4896-8cfe-203fbf9613c8.png?v=1787977473 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_639c42f8-5d04-44f8-81c8-aa302e765eba.png?v=1787977469 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9cee7dd5-940f-4820-bb04-4efbd2e854be.png?v=1787977468 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ab55aa8c-b452-4f5f-82f3-4c806c7adb19.png?v=1787977472 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31adb865887904cd6b36b84a1f02b0ef.jpg?v=1791724201 Etoricoxib Impurity 32, Purity: 99.6% | 1421227-97-5 Etoricoxib Impurity 32|C4X-108032|1421227-97-5 https://www.jk-sci.com/products/j5303834 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f182a062386833390634040f08264007.jpg?v=1791419107 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/592481.png?v=1791724196 Etoricoxib Impurity 37, 99.60% | 38746-92-8 Etoricoxib Impurity 37|C4X-108037|38746-92-8 https://www.jk-sci.com/products/j5303840 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b817535c7fe04ab93976f4b5a7193d3f.jpg?v=1791419099 Na-Z-Ng-trityl-L-asparagine, Purity by HPLC ≥ 99% | 132388-57-9 Na-Z-Ng-trityl-L-asparagine|03840|132388-57-9 https://www.jk-sci.com/products/j5303847 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e07ee36ebd7977f8ea3b02e071c30fa6.jpg?v=1791419086 Z-glycine amide, Assay ≥ 99% | 949-90-6 Z-glycine amide|03847|949-90-6 https://www.jk-sci.com/products/s57c4x-10805 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8865161bb13573f892f7514a59cfd0ff.jpg?v=1791724187 Etoricoxib Impurity 5(hexafluorophosphate), 99.80% | 291756-76-8 Etoricoxib Impurity 5(hexafluorophosphate)|C4X-10805|291756-76-8 https://www.jk-sci.com/products/a019426129 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b3070456-4c51-4c0a-81bd-707888bfa5ea.png?v=1787977463 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f2356cdf-613e-48a2-a3b9-917e99a7a8a9.png?v=1787977468 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4db0fffb58e0d8779455482c05aa655.jpg?v=1791724180 Etoricoxib Impurity 8, 94.50% | 646459-39-4 Etoricoxib Impurity 8|C4X-10808|646459-39-4 https://www.jk-sci.com/products/j5303851 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccd534e1d03fcc92069ec7143639a030.jpg?v=1791419080 Z-L-leucine dicyclohexylammonium salt, Purity by HPLC ≥ 98% | 53363-87-4 Z-L-leucine dicyclohexylammonium salt|03851|53363-87-4 https://www.jk-sci.com/products/a019426128 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4266348a-d356-4af8-be6a-fd0f992859f8.png?v=1787977464 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84453353246e1e61f7ce031f5667e4d5.jpg?v=1791419076 Z-L-proline N-hydroxysuccinimide ester, Purity by HPLC ≥ 99% | 3397-33-9 Z-L-proline N-hydroxysuccinimide ester|03856|3397-33-9 https://www.jk-sci.com/products/j5303862 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6232dad037653efd8399fb1ed9f12ffb.jpg?v=1791419071 Z-L-tyrosine amide, Purity by HPLC ≥ 99% | 19898-39-6 Z-L-tyrosine amide|03862|19898-39-6 https://www.jk-sci.com/products/s57c4x-108117 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/853a298f93decf577e34a8a197e63be8.jpg?v=1791724175 Diacerein Impurity 17, 70.00% | 65209-90-7 Diacerein Impurity 17|C4X-108117|65209-90-7 https://www.jk-sci.com/products/s57c4x-10813 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e02446239f4fdc6d0a3e53588aff4c50.jpg?v=1791724174 Diacerein EP Impurity E, 94.40% | 875535-36-7 Diacerein EP Impurity E|C4X-10813|875535-36-7 https://www.jk-sci.com/products/j5303869 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fc2e25e0ad66f61c84e258dcec50e9a.jpg?v=1791419061 Z-L-serine hydrazide, Purity by HPLC ≥ 98% | 26582-86-5 Z-L-serine hydrazide|03869|26582-86-5 https://www.jk-sci.com/products/a019426130 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3d5ac772-5c26-4f37-8069-dcb5a09dfcd5.png?v=1787977464 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/537299.png?v=1791724161 Ibuprofen EP Impurity A, 98.80% | 66622-47-7 Ibuprofen EP Impurity A|C4X-10821|66622-47-7 https://www.jk-sci.com/products/s57c4x-10816 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32dbdb5655e5d7e9ba056b06db349bf3.jpg?v=1791724167 Diacerein EP Impurity H, 92.80% | 25395-11-3 Diacerein EP Impurity H|C4X-10816|25395-11-3 https://www.jk-sci.com/products/a019426131 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3ce3f63b-3013-455c-b0fa-21197c7fdaf1.png?v=1787977459 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2eb34a357aac54c6f6a9a94e1e597bfa.jpg?v=1791419021 Diethyl sulfate, Purity by GC ≥ 99% | 64-67-5 Diethyl sulfate|03898|64-67-5 https://www.jk-sci.com/products/s57c4x-1082104 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_429ffdb5-e474-4268-88e6-728a73376864.png?v=1791724156 Ibuprofen Impurity 104, Purity: 99.5% Ibuprofen Impurity 104|C4X-1082104 https://www.jk-sci.com/products/j5303874 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ad54db15db20d1d66eb233998dd0763.jpg?v=1791419052 Z-L-glutamic acid a-amide, Purity by HPLC ≥ 98% | 6398-06-7 Z-L-glutamic acid a-amide|03874|6398-06-7 https://www.jk-sci.com/products/s57c4x-108213 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4ad876f82a784226862141afd12b947.jpg?v=1791724145 Ibuprofen EP Impurity M, 97.50% | 60057-62-7 Ibuprofen EP Impurity M|C4X-108213|60057-62-7 https://www.jk-sci.com/products/s57c4x-108212 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8152acf5444c25fe76c2b969c51c39a9.jpg?v=1791724150 Ibuprofen EP Impurity L, 99.70% | 53949-53-4 Ibuprofen EP Impurity L|C4X-108212|53949-53-4 https://www.jk-sci.com/products/a019426132 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_905d0bc5-b500-42f5-9722-ddcadccfac7a.png?v=1787977459 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72ca15c31a7c8466c8d7980d3aee2a8e.jpg?v=1791724142 Ibuprofen EP Impurity N, 95.50% | 3585-52-2 Ibuprofen EP Impurity N|C4X-108214|3585-52-2 https://www.jk-sci.com/products/j5303908 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b01285cb30770853d1e2530cf5f8b01.jpg?v=1791419002 Fmoc-L-aspartic acid a-9-fluorenylmethyl ester, Purity by HPLC ≥ 98% | 187671-16-5 Fmoc-L-aspartic acid a-9-fluorenylmethyl ester|03908|187671-16-5 https://www.jk-sci.com/products/j5303942 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3eefff5b8b2c81ad3a1a072225f14083.jpg?v=1791418970 Boc-a-aminoisobutyric acid N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 104055-39-2 Boc-a-aminoisobutyric acid N-hydroxysuccinimide ester|03942|104055-39-2 https://www.jk-sci.com/products/j5303918 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2143c02d594bf3b50967cb13c2937504.jpg?v=1791418984 Na-Fmoc-Nd-methyltrityl-L-glutamine, Purity by HPLC ≥ 98% | 144317-23-7 Na-Fmoc-Nd-methyltrityl-L-glutamine|03918|144317-23-7 https://www.jk-sci.com/products/s57c4x-108216 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/289032.png?v=1791724140 Ibuprofen EP Impurity P, 96.30% | 36039-36-8 Ibuprofen EP Impurity P|C4X-108216|36039-36-8 https://www.jk-sci.com/products/j5303946 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ad10782ab84ddbb3dbbf09773f75a76.jpg?v=1791418961 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/337669.png?v=1791724136 Ibuprofen EP Impurity R, 99.80% | 102120-87-6 Ibuprofen EP Impurity R|C4X-108218|102120-87-6 https://www.jk-sci.com/products/a019426133 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/108325fc46027db793d8a252305259a1.jpg?v=1787977460 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/127b582ad8556dcd9762d0294efb494e.jpg?v=1791418956 Boc-L-Phe(4-NHZ)-OH, Chiral HPLC ≥ 98% || Purity by HPLC ≥ 98% | 55533-25-0 Boc-L-Phe(4-NHZ)-OH|03951|55533-25-0 https://www.jk-sci.com/products/j5303975 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/566ef2fc9b0d2a929f0be7440f298a1d.jpg?v=1791418922 Boc-3,5-diiodo-L-tyrosine, Purity ≥ 99% | 62129-53-7 Boc-3,5-diiodo-L-tyrosine|03975|62129-53-7 https://www.jk-sci.com/products/j5303970 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7807cb6b622794e9c595101ab2c0285.jpg?v=1791418922 Boc-S-4-methylbenzyl-L-cysteine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 140842-91-7 Boc-S-4-methylbenzyl-L-cysteine N-hydroxysuccinimide ester|03970|140842-91-7 https://www.jk-sci.com/products/j5301937 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7022cf6ec68638904fffeef068028c62.jpg?v=1791421427 Fmoc-b-alanine 4-alkoxybenzyl alcohol resin (0.3-0.8 meq/g, 100-200 mesh), Mesh Size 100-200 mesh || Substitution (meq/g) 0.3-0.8 meq/g Fmoc-b-alanine 4-alkoxybenzyl alcohol resin (0.3-0.8 meq/g, 100-200 mesh)|01937 https://www.jk-sci.com/products/j5302741 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1923e20579727e8344109587f8021490.jpg?v=1791420290 Boc-N-methyl-O-2,6-dichlorobenzyl-L-tyrosine, Assay ≥ 100% (Cth 58.16% by elemental analysis) | 57817-43-3 Boc-N-methyl-O-2,6-dichlorobenzyl-L-tyrosine|02741|57817-43-3 https://www.jk-sci.com/products/a019426134 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_858dbf9d-f7e7-4675-85b4-ed3defb607d1.png?v=1787977454 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2ccc29125e1aad854834c8007fb59a6.jpg?v=1791419718 Ne-Z-L-lysinol, Purity by HPLC ≥ 95% | 101250-90-2 Ne-Z-L-lysinol|03199|101250-90-2 https://www.jk-sci.com/products/j5303048 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595f21f981e2adcc15b62c034725ca97.jpg?v=1791420012 S-Benzyl-D-cysteine, Purity by HPLC ≥ 99% | 23032-53-3 S-Benzyl-D-cysteine|03048|23032-53-3 https://www.jk-sci.com/products/a019426135 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ad465ef-0078-4c6b-af4f-5796511bc770.png?v=1787977455 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/56a2f208c36a1ba4d24ed5a2f30f86bd.jpg?v=1791419782 L-Valine benzyl ester 4-toluenesulfonate salt, Purity by HPLC ≥ 98% | 16652-76-9 L-Valine benzyl ester 4-toluenesulfonate salt|03167|16652-76-9 https://www.jk-sci.com/products/j5303317 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62d43dae1f01d1d920c1b58fd8915be2.jpg?v=1791419580 O-tert-Butyl-D-threonine methyl ester hydrochloride, Purity by HPLC ≥ 98% | 115141-43-0 O-tert-Butyl-D-threonine methyl ester hydrochloride|03317|115141-43-0 https://www.jk-sci.com/products/a019426136 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/420d2c4e5aac6ac6d4ea25fe3b1ed46b.jpg?v=1787977455 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0affd99a74cafe12d66afb4d5baaaf69.jpg?v=1791419656 Boc-D-Valinol, Purity ≥ 97% | 106391-87-1 Boc-D-Valinol|03238|106391-87-1 https://www.jk-sci.com/products/j5303453 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd2b57414e8b3fd5bfd25e47d0694087.jpg?v=1791419487 L-Asparagine-2-chlorotrityl resin (0.3 - 08 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3-08 meq/g L-Asparagine-2-chlorotrityl resin (0.3 - 08 meq/g, 200 - 400 mesh)|03453 https://www.jk-sci.com/products/j5303374 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4b11295befce4487a0a3d51af1c8dae.jpg?v=1791419538 DL-d-Hydroxy-DL-lysine hydrochloride, Assay ≥ 98% (Nth 14.10% by Elemental Analysis) || Titration Chloride content : ≤ | 13204-98-3 DL-d-Hydroxy-DL-lysine hydrochloride|03374|13204-98-3 https://www.jk-sci.com/products/a019426137 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6b99d311-3f86-4ea5-a95b-dedbe414f9d4.png?v=1787977450 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca535753cd84665ace730d5e1e86ec82.jpg?v=1791724121 Ibuprofen EP Impurity G, 96.10% | 2575516-43-5 Ibuprofen EP Impurity G|C4X-108243|2575516-43-5 https://www.jk-sci.com/products/a019426139 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b5484d31-b2cb-4467-9add-41d9efe2e0b0.png?v=1787977446 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cccfaee5b62b5f260a5025f7af8db77b.jpg?v=1791419240 Na-Fmoc-L-tryptophan N-hydroxysuccinimide ester, Purity by HPLC ≥ 97% | 84771-20-0 Na-Fmoc-L-tryptophan N-hydroxysuccinimide ester|03753|84771-20-0 https://www.jk-sci.com/products/j5303529 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20d731504337fbf8b65f3c2a4875a34c.jpg?v=1791419438 D-Citrulline, Assay ≥ 99% | 13594-51-9 D-Citrulline|03529|13594-51-9 https://www.jk-sci.com/products/a019426140 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1c9eb62c-82ac-4e41-81b9-e42928001b2d.png?v=1787977445 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/42a83c9c9465c4b25d933da32a3a2252.jpg?v=1791419325 Fmoc-S-acetamidomethyl-D-cysteine, Chiral HPLC ? 99.5% (ee) || Purity by HPLC ? 98% | 168300-88-7 Fmoc-S-acetamidomethyl-D-cysteine|03700|168300-88-7 https://www.jk-sci.com/products/a019426138 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f0655e26-2b56-4905-b08b-629e2dc0c505.png?v=1787977449 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0168079bd483a7b58be9466a2579feb9.jpg?v=1791724114 Ibuprofen Impurity 59, 99.20% | 89878-72-8 Ibuprofen Impurity 59|C4X-108259|89878-72-8 https://www.jk-sci.com/products/j5303646 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31db5989f0d64eacaa7f1867d03c4d53.jpg?v=1791419365 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxyacetamido BHA resin, Mesh Size 100-200 mesh || Substitution (meq/g) 0.3-0.8 meq/g 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxyacetamido BHA resin|03646 https://www.jk-sci.com/products/j5303786 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7a4dfad39766cf49874e9258fa59c7a2.jpg?v=1791419180 Boc-L-glutamic acid g-benzyl ester a-N-hydroxysuccinimide ester, Purity by HPLC ≥ 99% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/110532.png?v=1791724109 Ibuprofen Impurity 61, 99.40% | 38861-88-0 Ibuprofen Impurity 61|C4X-108261|38861-88-0 https://www.jk-sci.com/products/j5303803 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7280c0c69320b318bd1e17a7aaa80180.jpg?v=1791419161 Boc-L-methionine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 3845-64-5 Boc-L-methionine N-hydroxysuccinimide ester|03803|3845-64-5 https://www.jk-sci.com/products/j5303812 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b17f073163d07d6a9c1c98630243d6a.jpg?v=1791419148 Boc-sarcosine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 80621-90-5 Boc-sarcosine N-hydroxysuccinimide ester|03812|80621-90-5 https://www.jk-sci.com/products/j5303838 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33e1f0f546e291cd5a6cd4563051ca9e.jpg?v=1791419103 Na-Z-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-D-arginine cyclohexylammonium salt, Purity by HPLC ≥ 98% | 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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e109742fda968ac58a539543c04fcdf4.jpg?v=1791419016 D-Tyrosine methyl ester hydrochloride, Purity by HPLC ≥ 98% | 3728-20-9 D-Tyrosine methyl ester hydrochloride|03900|3728-20-9 https://www.jk-sci.com/products/j5303849 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/83498879b7c812111fc633dbc305e771.jpg?v=1791419083 Na-Z-L-histidine methyl ester, Purity by HPLC ≥ 99% | 15545-10-5 Na-Z-L-histidine methyl ester|03849|15545-10-5 https://www.jk-sci.com/products/a019426142 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_97946870-bf33-4514-b0cd-ec217658eaaf.png?v=1787977441 [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 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3600d8af92147a6230586f9a8510016f.jpg?v=1791419071 Z-O-tert-butyl-D-threonine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 201275-65-2 Z-O-tert-butyl-D-threonine dicyclohexylammonium salt|03861|201275-65-2 https://www.jk-sci.com/products/j5303873 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0635b27a2af5b0bd1b87d5b549a9800b.jpg?v=1791419052 Z-L-glutamine N-hydroxysuccinimide ester, Purity ≥ 96% (Elemental analysis based on Nitrogen content)) | 34078-85-8 Z-L-glutamine N-hydroxysuccinimide ester|03873|34078-85-8 https://www.jk-sci.com/products/j5304005 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14cf5c445bef1e5044689d0bb41448be.jpg?v=1791418879 Boc-L-methionine 4-nitrophenyl ester, Purity by HPLC ≥ 98% | 2488-18-8 Boc-L-methionine 4-nitrophenyl ester|04005|2488-18-8 https://www.jk-sci.com/products/j5303994 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b26c7f9f1d62fd5a888f010a9ff2379.jpg?v=1791418895 Boc-D-leucine N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% | 60111-76-4 Boc-D-leucine N-hydroxysuccinimide ester|03994|60111-76-4 https://www.jk-sci.com/products/j5304013 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b0e7441b1e2ff1abbedf9e51c0a64da.jpg?v=1791418872 Boc-D-phenylalanine N-hydrosuccinimide ester, Purity by HPLC ≥ 99% | 3674-18-8 Boc-D-phenylalanine N-hydrosuccinimide ester|04013|3674-18-8 https://www.jk-sci.com/products/s57c4x-108278 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/263299_18eaac49-6d62-4b73-a147-9af262099016.png?v=1791724104 Ibuprofen Impurity 78, 99.90% | 51146-56-6 Ibuprofen Impurity 78|C4X-108278|51146-56-6 https://www.jk-sci.com/products/j5303999 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e4f75eac196c632dac53ab05dba35a2.jpg?v=1791418889 Diethanolamine, Purity ≥ 99% | 111-42-2 Diethanolamine|03999|111-42-2 https://www.jk-sci.com/products/j5303971 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adf9b43581ec59f53c0cba46573e6370.jpg?v=1791418921 Boc-S-4-methylbenzyl-D-cysteine, Purity by HPLC ≥ 98% | 61925-78-8 Boc-S-4-methylbenzyl-D-cysteine|03971|61925-78-8 https://www.jk-sci.com/products/j5303947 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/033075eb63d90b29c8ec8ae17469497b.jpg?v=1791418961 Boc-D-norleucine, Purity by HPLC ≥ 98% | 55674-63-0 Boc-D-norleucine|03947|55674-63-0 https://www.jk-sci.com/products/j5304017 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e06e278e74ce701cad34d049e8b4174e.jpg?v=1791418866 Boc-O-benzyl-L-serine dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 10342-01-5 Boc-O-benzyl-L-serine dicyclohexylammonium salt|04017|10342-01-5 https://www.jk-sci.com/products/s57c4x-108289 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/513760.png?v=1791724087 Ibuprofen Impurity 89, 97.00% | 13401-56-4 Ibuprofen Impurity 89|C4X-108289|13401-56-4 https://www.jk-sci.com/products/a019426141 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b081df43-42b2-419c-a43d-7c3f671febe0.png?v=1787977446 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-methoxyphenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)](4-methoxyphenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426141 https://www.jk-sci.com/products/a019426146 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4eb0b60f-99ee-416f-8fd3-e34a39e6406d.png?v=1787977437 [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl](4-methoxyphenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl](4-methoxyphenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426146 https://www.jk-sci.com/products/a019426144 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_976863ec-cf85-4bee-b970-140a57610777.png?v=1787977441 [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenyl-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenyl-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426144 https://www.jk-sci.com/products/a019426145 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7f3c38f3-e9fa-4584-9e7a-bc934b84d122.png?v=1787977436 [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenyl-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-phenyl-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426145 https://www.jk-sci.com/products/a019426148 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f0b3e1f-a05a-4d87-87c7-4b83031283b3.png?v=1787977432 [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-(4-methoxyphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-(4-methoxyphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426148 https://www.jk-sci.com/products/a019426143 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9648b458-dc20-4571-8a2d-dbecbc0d0a8d.png?v=1787977441 [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]phenyl-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]phenyl-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95%|9426143 https://www.jk-sci.com/products/a019426147 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_efe93ba3-295c-470f-971f-831f633f9370.png?v=1787977433 [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl](4-methoxyphenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl](4-methoxyphenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426147 https://www.jk-sci.com/products/j5303921 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79f8e0b3271969705b86c8150fb76729.jpg?v=1791418980 Fmoc-His(3-Bom)-OH, Purity by HPLC ≥ 99% | 84891-19-0 Fmoc-His(3-Bom)-OH|03921|84891-19-0 https://www.jk-sci.com/products/j5304037 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/30b7eeedfedf714a953903b19200852e.jpg?v=1791418838 Na-Boc-Nim-benzyloxymethyl-L-histidine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-1.0 Na-Boc-Nim-benzyloxymethyl-L-histidine Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh)|04037 https://www.jk-sci.com/products/j5304042 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/be2f3e283c47441199d3683c3f01e3ef.jpg?v=1791418824 Na-Boc-Ng-xanthyl-L-asparagine Merrifield resin (0.25 - 0.7 meq/g, 100 - 200 mesh), Mesh Size 100-200 || Substitution (meq/g) 0.25-0.7 Na-Boc-Ng-xanthyl-L-asparagine Merrifield resin (0.25 - 0.7 meq/g, 100 - 200 mesh)|04042 https://www.jk-sci.com/products/j5304030 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a285df9d8a1aa307c541d2f30aef9038.jpg?v=1791418846 Boc-O-benzyl-D-tyrosine-N-hydroxysuccinimide ester, Purity by HPLC ≥ 98% Boc-O-benzyl-D-tyrosine-N-hydroxysuccinimide ester|04030 https://www.jk-sci.com/products/j5304051 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4588ca72e89ea36059e92b910507f9f1.jpg?v=1791418814 Boc-L-a-aminoadipic acid, Purity by HPLC ≥ 99% | 77302-72-8 Boc-L-a-aminoadipic acid|04051|77302-72-8 https://www.jk-sci.com/products/s57c4x-10831 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/359294.png?v=1791724076 Levocetirizine Impurity 1 (Chlorobenzhydryl piperazine), 97.90% | 300543-56-0 Levocetirizine Impurity 1 (Chlorobenzhydryl piperazine)|C4X-10831|300543-56-0 https://www.jk-sci.com/products/a019426150 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_908b4694-67eb-4b97-afef-78b7fb44b610.png?v=1787977428 [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95%|9426150 https://www.jk-sci.com/products/a019426149 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f5769de9-e6e1-4a35-802b-c76265ea4057.png?v=1787977431 [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-(4-methoxyphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-(4-methoxyphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426149 https://www.jk-sci.com/products/s57c4x-108311 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6bb0a773a7c54c5ff3cf4aae896d11e.jpg?v=1791724071 Levocetirizine Impurity 11, 90.40% | 246870-46-2 Levocetirizine Impurity 11|C4X-108311|246870-46-2 https://www.jk-sci.com/products/a019426151 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_57983fb6-e5ef-4b5a-9469-ba9c74589f4c.png?v=1787977428 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide, 95%|9426151 https://www.jk-sci.com/products/a019426152 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_8f6fc952-50fb-447b-b853-bf98d557aa9d.png?v=1787977427 [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426152 https://www.jk-sci.com/products/a019426153 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a4c38ac2-d1cf-4f10-96ac-631d9d90eb89.png?v=1787977424 [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Diphenylphosphino)-4,5-dimethoxyphenyl)]-2,2-dimethylpropyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426153 https://www.jk-sci.com/products/s57c4x-108321 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e73a117ed9918276f6f9ea34f774e1e7.jpg?v=1791724065 Cetirizine USP Related Compound A DiHCI, 96.40% | 2732277-01-7 Cetirizine USP Related Compound A DiHCI|C4X-108321|2732277-01-7 https://www.jk-sci.com/products/j5304069 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7343373601299e80c94a50e7acdf0692.jpg?v=1791418799 Fmoc-D-a-aminoadipic acid, Purity by HPLC ≥ 98% | 218457-73-9 Fmoc-D-a-aminoadipic acid|04069|218457-73-9 https://www.jk-sci.com/products/j5304077 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c28f20174bb4dbebc7a109a00006d4a.jpg?v=1791418788 3-(3-Benzothienyl)-L-alanine | 72120-71-9 3-(3-Benzothienyl)-L-alanine|04077|72120-71-9 https://www.jk-sci.com/products/s57c4x-108325 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404730.png?v=1791724056 Cetirizine EP Impurity G, 93.20% | 109806-71-5 Cetirizine EP Impurity G|C4X-108325|109806-71-5 https://www.jk-sci.com/products/a019426154 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc640041afa4218674098f900e60af03.jpg?v=1787977423 [S(R)]-N-[(S)-(4-Methoxyphenyl)[2-(dicyclohexylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% | 2891776-25-1 [S(R)]-N-[(S)-(4-Methoxyphenyl)[2-(dicyclohexylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9426154|2891776-25-1 https://www.jk-sci.com/products/j5304079 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb5c5c097975181766fc0a974fa00574.jpg?v=1791418782 Fmoc-3-(3-benzothienyl)-D-alanine, Purity by HPLC ≥ 97% | 177966-61-9 Fmoc-3-(3-benzothienyl)-D-alanine|04079|177966-61-9 https://www.jk-sci.com/products/s57c4x-108332 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dd2c69f661330a0560871d6af55c6135.jpg?v=1791724051 Levocetirizine Impurity 32, Purity: 98.9% | 83881-48-5 Levocetirizine Impurity 32|C4X-108332|83881-48-5 https://www.jk-sci.com/products/j5304085 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2774fe9447d0ed37b049352605700bc.jpg?v=1791418771 Fmoc-p-phenyl-D-phenylalanine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 205526-38-1 Fmoc-p-phenyl-D-phenylalanine|04085|205526-38-1 https://www.jk-sci.com/products/a019426156 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_acda4aeb-1982-4c63-88e4-05098c94229a.png?v=1787977420 [S(R)]-N-[(R)-[2-(Dicyclohexylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Dicyclohexylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426156 https://www.jk-sci.com/products/a019426155 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2029ce10-8ecb-4c9d-a84d-d63db6a3f31b.png?v=1787977422 [S(R)]-N-[(S)-[2-(Dicyclohexylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Dicyclohexylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426155 https://www.jk-sci.com/products/s57c4x-108335 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ccbac624e03812196e02f0c42491a92.jpg?v=1791724046 Levocetirizine Impurity 35, 95.70% | 130018-76-7 Levocetirizine Impurity 35|C4X-108335|130018-76-7 https://www.jk-sci.com/products/j5304093 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6178e7274698dd5721094ea50aab72ef.jpg?v=1791418758 2-Chloro-D-phenylalanine, Purity by HPLC ≥ 99% | 80126-50-7 2-Chloro-D-phenylalanine|04093|80126-50-7 https://www.jk-sci.com/products/s57c4x-10834 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71573c0aa72bcf977276a3ae88d4b6fe.jpg?v=1791724044 Cetirizine EP Impurity D DiHCl, 97.60% | 856841-95-7 Cetirizine EP Impurity D DiHCl|C4X-10834|856841-95-7 https://www.jk-sci.com/products/s57c4x-108342 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_158814d1-510f-4717-8340-68254920b047.png?v=1791724041 Levocetirizine Impurity 42, 89.80% Levocetirizine Impurity 42|C4X-108342 https://www.jk-sci.com/products/j5304096 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64a6e5ac984fa99a1de75225ae7aed4c.jpg?v=1791418753 Fmoc-2-chloro-L-phenylalanine, Purity by HPLC ≥ 98% | 198560-41-7 Fmoc-2-chloro-L-phenylalanine|04096|198560-41-7 https://www.jk-sci.com/products/j5304099 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9e9fb898790faffcfe41c0ea4da3529.jpg?v=1791418742 3-Chloro-D-phenylalanine, Purity by HPLC ≥ 97% | 80126-52-9 3-Chloro-D-phenylalanine|04099|80126-52-9 https://www.jk-sci.com/products/s57c4x-108354 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7747f40fb70dbe2c0d9a601239bfc09b.jpg?v=1791724034 Levocetirizine Impurity 54 HCl, Purity: 99.0% | 942132-30-1 Levocetirizine Impurity 54 HCl|C4X-108354|942132-30-1 https://www.jk-sci.com/products/s57c4x-108344 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a5df0c1fa2773c390ecde4c8f2ab344.jpg?v=1791724037 Levocetirizine Impurity 44, 95.10% | 442863-80-1 Levocetirizine Impurity 44|C4X-108344|442863-80-1 https://www.jk-sci.com/products/a019426159 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_37cd078d-57be-4ca8-a1c3-1f68174dbaa5.png?v=1787977416 [S(R)]-N-[(R)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9426159 https://www.jk-sci.com/products/a019426157 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e8b21b05-175d-4335-a396-59df583a0750.png?v=1787977418 [S(R)]-N-[(R)-[2-(Dicyclohexylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Dicyclohexylphosphino)-4,5-dimethoxyphenyl)](4-phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426157 https://www.jk-sci.com/products/j5304111 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05d4f31597ff456bb76748f3c800117c.jpg?v=1791418713 4-Cyano-D-phenylalanine, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 99% | 263396-44-7 4-Cyano-D-phenylalanine|04111|263396-44-7 https://www.jk-sci.com/products/a019426158 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_4addc492-5423-465e-b2af-25601aba5620.png?v=1787977417 [S(R)]-N-[(S)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-2-methyl-2-propanesulfinamide, 95%|9426158 https://www.jk-sci.com/products/s57c4x-108357 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/557eca16c5d4fe4f608c530f83731f7c.jpg?v=1791724029 Levocetirizine Impurity 57, Purity: 99.8% | 942193-17-1 Levocetirizine Impurity 57|C4X-108357|942193-17-1 https://www.jk-sci.com/products/a019426160 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2cc8509e-aade-409d-8e4b-a76e21af4163.png?v=1787977412 [S(R)]-N-[(S)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426160 https://www.jk-sci.com/products/j5304116 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3687813a28a300f26f4a9092ecf70ef.jpg?v=1791418704 Fmoc-3,4-dichloro-L-phenylalanine, Purity by HPLC ≥ 98% | 177966-59-5 Fmoc-3,4-dichloro-L-phenylalanine|04116|177966-59-5 https://www.jk-sci.com/products/s57c4x-10837 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/521990.png?v=1791724023 Cetirizine EP Impurity G Hydrochloride, 99.40% | 164726-80-1 Cetirizine EP Impurity G Hydrochloride|C4X-10837|164726-80-1 https://www.jk-sci.com/products/j5304122 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/563cf12545674246797fe9c67d0865e9.jpg?v=1791418692 Fmoc-3,4-difluoro-D-phenylalanine, Purity by HPLC ≥ 98% | 198545-59-4 Fmoc-3,4-difluoro-D-phenylalanine|04122|198545-59-4 https://www.jk-sci.com/products/a019426162 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2613cfee-cbd7-4c03-9e60-908ebbd00e06.png?v=1787977408 [S(R)]-N-[(S)-[2-Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426162 https://www.jk-sci.com/products/a019426163 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d44a11fd-aa56-4fa7-921e-2f16723ade38.png?v=1787977409 [S(R)]-N-[(R)-[2-(Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426163 https://www.jk-sci.com/products/a019426166 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_02f850c3-5687-4df3-93d8-a1cb97e69627.png?v=1787977403 [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[2-(dicyclohexylphosphanyl)phenyl]ethyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[2-(dicyclohexylphosphanyl)phenyl]ethyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426166 https://www.jk-sci.com/products/a019426161 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_53b00129-cb17-41fc-b259-76bee989424b.png?v=1787977413 [S(R)]-N-[(R)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(4-tert-Butyl)[2-(di-tert-butylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426161 https://www.jk-sci.com/products/j5304119 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c33a4003904c4c5c06ca183c16833f3a.jpg?v=1791418700 Boc-3,4-difluoro-L-phenylalanine, Purity by HPLC ≥ 98% | 198474-90-7 Boc-3,4-difluoro-L-phenylalanine|04119|198474-90-7 https://www.jk-sci.com/products/a019426164 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_baaea803-7853-4314-bc31-4675805d23cf.png?v=1787977408 [S(R)]-N-[(S)-[2-(Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-[2-(Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426164 https://www.jk-sci.com/products/j5304129 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04b9b31e2a51a2c5c15b0abecabcd7f0.jpg?v=1791418682 3,3-Diphenyl-L-alanine, Chiral HPLC ≥ 99% (ee) || Purity by HPLC ≥ 98% | 149597-92-2 3,3-Diphenyl-L-alanine|04129|149597-92-2 https://www.jk-sci.com/products/s57c4x-108419 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/315532_15302018-3bd3-4ca5-8734-0d170e522ced.png?v=1791724008 Roflumilast impurity 19, 99.10% | 151103-08-1 Roflumilast impurity 19|C4X-108419|151103-08-1 https://www.jk-sci.com/products/a019426165 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5337f85f-9e2f-414c-88b6-e95d2eb31baa.png?v=1787977403 [S(R)]-N-[(R)-[2-(Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[2-(Di-tert-butylphosphino)phenyl]-(1,1'-biphenyl)methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426165 https://www.jk-sci.com/products/j5304133 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d480ce45d6699249229c6a9d7a8cd7c.jpg?v=1791418672 Fmoc-3,3-diphenyl-L-alanine, Purity by HPLC ≥ 98% | 201484-50-6 Fmoc-3,3-diphenyl-L-alanine|04133|201484-50-6 https://www.jk-sci.com/products/s57c4x-108425 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5da4060dc079b88bb2e060dcea2da590.jpg?v=1791724000 Roflumilast impurity 25, 99.00% | 1243391-44-7 Roflumilast impurity 25|C4X-108425|1243391-44-7 https://www.jk-sci.com/products/j5304149 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18447379d402a172b1f14d4ff3748893.jpg?v=1791418647 Fmoc-D-b-indanylglycine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98.5% | 205526-40-5 Fmoc-D-b-indanylglycine|04149|205526-40-5 https://www.jk-sci.com/products/j5304159 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9291d73bece986d504795d82c8f0673.jpg?v=1791418636 15-Crown-5, Purity by GC ≥ 97% | 33100-27-5 15-Crown-5|04159|33100-27-5 https://www.jk-sci.com/products/s57c4x-108429 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d5a91ba8aef6884061831ea8bd6d185.jpg?v=1791723999 Roflumilast Impurity 29, 99.20% | 2368178-28-1 Roflumilast Impurity 29|C4X-108429|2368178-28-1 https://www.jk-sci.com/products/j5304170 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29990e05ecbf34446a6af04e90552059.jpg?v=1791418620 Na-Fmoc-Nw-(4-toluenesulfonyl)-L-arginine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.1-0.8 Na-Fmoc-Nw-(4-toluenesulfonyl)-L-arginine 4-alkoxybenzyl alcohol resin|04170 https://www.jk-sci.com/products/j5304175 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e81046b83a911d5c5a4adb0b2e6360af.jpg?v=1791418615 Fmoc-S-acetamidomethyl-L-cysteine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Fmoc-S-acetamidomethyl-L-cysteine 4-alkoxybenzyl alcohol resin|04175 https://www.jk-sci.com/products/a019426168 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/916dce43568f5beffef5d1037cfc5aaf.jpg?v=1787977399 [S(R)]-N-[(S)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95% | 2883734-87-8 [S(R)]-N-[(S)-(2-Naphthalenyl)[5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide, 95%|9426168|2883734-87-8 https://www.jk-sci.com/products/j5304184 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48c4818625a49162f141f9086bdd0b09.jpg?v=1791418611 Na-Fmoc- Nd-trityl-D-glutamine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.2-1.0 Na-Fmoc- Nd-trityl-D-glutamine 4-alkoxybenzyl alcohol resin|04184 https://www.jk-sci.com/products/a019426167 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3b27bef4-5f84-4b1a-b543-fd6e21c3a771.png?v=1787977400 [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[[2-(di-tert-butylphosphino)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(1S)-2-(Diphenylphosphino)-1-[[2-(di-tert-butylphosphino)phenyl]ethyl]-2-methyl-2-propanesulfinamide, 95%|9426167 https://www.jk-sci.com/products/j5304191 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2413c911a96af810e89dc7cec9b7855c.jpg?v=1791418594 Fmoc-D-norleucine 4-alkoxybenzyl alcohol resin, Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.2 - 1.0 meq/g Fmoc-D-norleucine 4-alkoxybenzyl alcohol resin|04191 https://www.jk-sci.com/products/j5304189 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b424bca5bb072d070f550774ae058d5e.jpg?v=1791418602 Fmoc-D-methionine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.2-1.0 Fmoc-D-methionine 4-alkoxybenzyl alcohol resin|04189 https://www.jk-sci.com/products/a019426169 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2312347-0a61-408b-9946-413166181f6f.png?v=1787977397 [S(R)]-N-[(R)-[4-(1,1-Dimethylethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-[4-(1,1-Dimethylethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426169 https://www.jk-sci.com/products/j5304195 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2296b4a91f4eb76de9882eeef1b6c15.jpg?v=1791418586 Fmoc-O-tert-butyl-D-threonine 4-alkoxybenzyl alcohol resin, Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.2 - 1.0 meq/g Fmoc-O-tert-butyl-D-threonine 4-alkoxybenzyl alcohol resin|04195 https://www.jk-sci.com/products/a019426174 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7119ac3fc6cf5d2bbaf37917310e6087.jpg?v=1787977395 [S(R)]-N-[(R)-3,5-(Bis(trifluoromethyl)phenyl)[2-(diphenylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95% | 2898408-53-0 [S(R)]-N-[(R)-3,5-(Bis(trifluoromethyl)phenyl)[2-(diphenylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide, 95%|9426174|2898408-53-0 https://www.jk-sci.com/products/j5304197 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d987c5abd09108763f712949a7e36789_4610c1e7-9f87-462f-870c-f1863a5bdd8b.jpg?v=1791418586 Fmoc-O-tert-butyl-D-tyrosine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 || Substitution (meq/g) 0.3-0.8 meq/g Fmoc-O-tert-butyl-D-tyrosine 4-alkoxybenzyl alcohol resin|04197 https://www.jk-sci.com/products/j5304200 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/490da45b7dc2c9c802817a7222f80445.jpg?v=1791418581 Na-Fmoc-L-asparagine 4-alkoxybenzyl alcohol resin, Mesh Size 100-200 mesh (Microscope method) || Substitution (meq/g) 0.3-0.8 (UV s Na-Fmoc-L-asparagine 4-alkoxybenzyl alcohol resin|04200 https://www.jk-sci.com/products/s57c4x-10655 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3d2bdff08beb8eb8f876c2c473078c3a.jpg?v=1791724796 Empagliflozin Impurity 5, 96.40% | 1620758-33-9 Empagliflozin Impurity 5|C4X-10655|1620758-33-9 https://www.jk-sci.com/products/s57c4x-1065256 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1895260c3e3a33a84c046babb1eb20ce.jpg?v=1791724817 Empagliflozin impurity 56, Purity: 97.9% | 1628918-33-1 Empagliflozin impurity 56|C4X-1065256|1628918-33-1 https://www.jk-sci.com/products/s57c4x-10652 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7503a62abadb712bdf1e6d65335848a7.jpg?v=1791724846 Empagliflozin Impurity 2, 95.20% | 2517968-35-1 Empagliflozin Impurity 2|C4X-10652|2517968-35-1 https://www.jk-sci.com/products/j5303296 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb96f0bd5e19aaa2451bde987c9b32d4.jpg?v=1791419606 4-Amino-L-phenylalanine hydrochloride, Purity by HPLC ≥ 99.0% | 62040-55-5 4-Amino-L-phenylalanine hydrochloride|03296|62040-55-5 https://www.jk-sci.com/products/j5303182 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99fe271b4ffa0de1ae0443b699a70aaf.jpg?v=1791419749 Fmoc-S-acetamidomethyl-L-cysteinol, Purity by HPLC ≥ 98% | 198543-46-3 Fmoc-S-acetamidomethyl-L-cysteinol|03182|198543-46-3 https://www.jk-sci.com/products/j5302780 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74662fabffa21fa821a5a07ff3a12baa.jpg?v=1791420221 Boc-O-benzyl-D-threonine Merrifield resin (0.25 - 1.2 meq/g, 100 - 200 mesh), Mesh Size 100 - 200 mesh || Substitution (meq/g) 0.25 - 1.2 meq/g Boc-O-benzyl-D-threonine Merrifield resin (0.25 - 1.2 meq/g, 100 - 200 mesh)|02780 https://www.jk-sci.com/products/j5303437 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd5f7ba20a707949d7d9be6698f62167.jpg?v=1791419500 L-Tryptophan benzyl ester hydrochloride, Purity by HPLC ≥ 98% | 35858-81-2 L-Tryptophan benzyl ester hydrochloride|03437|35858-81-2 https://www.jk-sci.com/products/a019426175 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cc7b91db-4998-488f-9c05-06f189037861.png?v=1787977393 [S(R)]-N-[(S)-(3,5-Difluorophenyl)(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(S)-(3,5-Difluorophenyl)(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426175 https://www.jk-sci.com/products/j5303562 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5850aa737c7ff0e50e891ea8ce052268.jpg?v=1791419395 3-Aminopropyltriethoxysilane, Purity by GC ≥ 97% | 919-30-2 3-Aminopropyltriethoxysilane|03562|919-30-2 https://www.jk-sci.com/products/j5303735 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65b1fcf40009c27e6e04c4e3c5d3cb8b.jpg?v=1791419263 Fmoc-O-tert-butyl-L-serine 3,4-dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine ester, Assay ≥ 92% (Elemental analysis based on Nitrogen content) | 109434-27-7 Fmoc-O-tert-butyl-L-serine 3,4-dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine ester|03735|109434-27-7 https://www.jk-sci.com/products/j5303797 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6da327a2da88f2b39c9627a8883e41a.jpg?v=1791419170 Boc-L-homocitruline, Purity by HPLC ≥ 99% | 201418-83-9 Boc-L-homocitruline|03797|201418-83-9 https://www.jk-sci.com/products/s57c4x-106719 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9068a4f1-8f33-472c-a9a1-27d1ac53e432.png?v=1791724765 Levetiracetam Impurity 19, 98.40% Levetiracetam Impurity 19|C4X-106719 https://www.jk-sci.com/products/a019426176 2026-10-11T13:04:42-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d2a7d38f-7e36-4767-8991-dbbaf4f1754a.png?v=1787977393 [S(R)]-N-[(R)-(3,5-Difluorophenyl)(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95% [S(R)]-N-[(R)-(3,5-Difluorophenyl)(2-(diphenylphosphanyl) phenyl)methyl]-2-methyl-2-propanesulfinamide, 95%|9426176