https://www.jk-sci.com/products/j5305117 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f44d2f643c2cba145d2b49c2c69aa61c.jpg?v=1791417794 Boc-D-2-cyclohexylglycine, Assay by titration ≥ 95% (dry basis) | 70491-05-3 Boc-D-2-cyclohexylglycine|05117|70491-05-3 https://www.jk-sci.com/products/s57c4x-16992 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/72fdf5d7a654e7f1299361c4641088d4.jpg?v=1791375357 Minocycline EP Impurity B HCl, 95.00% | 6625-20-3 Minocycline EP Impurity B HCl|C4X-16992|6625-20-3 https://www.jk-sci.com/products/s57c4x-16993 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795170.png?v=1791375348 Minocycline EP Impurity C, 93.90% | 4708-96-7 Minocycline EP Impurity C|C4X-16993|4708-96-7 https://www.jk-sci.com/products/ts246cs-0045892 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7b8cefc9cc1c5c7a3de1c95a065612f.jpg?v=1791341169 2-Amino-5-bromo-6-chloropyrimidin-4(1H)-one, 95% | 55740-64-2 2-Amino-5-bromo-6-chloropyrimidin-4(1H)-one|CS-0045892|55740-64-2 https://www.jk-sci.com/products/s57c4x-16994 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/795015.png?v=1791375345 Minocycline EP Impurity D, 92.70% | 5679-00-5 Minocycline EP Impurity D|C4X-16994|5679-00-5 https://www.jk-sci.com/products/ts246cs-0045999 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6eedceeb02380efc279ec8950d27890d.jpg?v=1791341122 5,6-Dichloro-N-methyl-4-pyrimidinamine, 97% | 1428252-93-0 5,6-Dichloro-N-methyl-4-pyrimidinamine|CS-0045999|1428252-93-0 https://www.jk-sci.com/products/ts246cs-0046199 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10a7b885756ac1f410b9079a1d17643e.jpg?v=1791341059 6-EthynyliMidazo[1,2-a]pyrazine, 97.00%+ | 1372096-41-7 6-EthynyliMidazo[1,2-a]pyrazine|CS-0046199|1372096-41-7 https://www.jk-sci.com/products/ts246cs-0046446 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f3d433b30df49ddf97247dd33fedb0b.jpg?v=1791340565 (S)-3-Methylpyrrolidin-2-one, 95% | 55709-17-6 (S)-3-Methylpyrrolidin-2-one|CS-0046446|55709-17-6 https://www.jk-sci.com/products/ts246cs-0046300 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/303605_abe5eab7-d084-4660-9129-b34206201293.png?v=1791340973 Benzo[cd]indol-2(1H)-one, 95% | 130-00-7 Benzo[cd]indol-2(1H)-one|CS-0046300|130-00-7 https://www.jk-sci.com/products/ts246cs-0046667 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0242b2b3c87dcb9aeff2b3a609a88aaf.jpg?v=1791340203 4-Isopropylpyrrolidin-2-one, 98% | 89895-18-1 4-Isopropylpyrrolidin-2-one|CS-0046667|89895-18-1 https://www.jk-sci.com/products/ts246cs-0046772 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/134193.png?v=1791340175 (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-((2,4-dinitrophenyl)amino)propanoic acid, 95% | 140430-54-2 (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-((2,4-dinitrophenyl)amino)propanoic acid|CS-0046772|140430-54-2 https://www.jk-sci.com/products/ts246cs-0046892 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b368efbb6bb270ef38995925dd267c4.jpg?v=1791340113 1,3-Dichloro-5-ethynylbenzene, 96.12%+ | 99254-90-7 1,3-Dichloro-5-ethynylbenzene|CS-0046892|99254-90-7 https://www.jk-sci.com/products/j5305137 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09da7ce63d674080d86ebbb686c81c3b.jpg?v=1791417756 Fmoc-D-homoproline, Purity by HPLC ≥ 98% | 101555-63-9 Fmoc-D-homoproline|05137|101555-63-9 https://www.jk-sci.com/products/ts246cs-0046953 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595657.png?v=1791340044 4,6-Dichloro-N,N-dimethylpyrimidin-2-amine, 97% | 5734-68-9 4,6-Dichloro-N,N-dimethylpyrimidin-2-amine|CS-0046953|5734-68-9 https://www.jk-sci.com/products/ts246cs-0046838 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/501443_32ee72ab-9748-4fdb-84d0-02c7149470de.png?v=1791340134 1,2,3,4,6-Penta-O-benzoyl-D-mannopyranose, 97.00%+ | 96996-90-6 1,2,3,4,6-Penta-O-benzoyl-D-mannopyranose|CS-0046838|96996-90-6 https://www.jk-sci.com/products/s57c4x-170020 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7c65a856b3048d6f58facffe76d633d.jpg?v=1791375336 Minoxidil Impurity 20, Purity: 99.8% | 128304-92-7 Minoxidil Impurity 20|C4X-170020|128304-92-7 https://www.jk-sci.com/products/s57c4x-16999 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8f9d2ee96804a66ff21764db88fae01.jpg?v=1791375342 Minocycline EP Impurity F, 91.10% | 1075240-33-3 Minocycline EP Impurity F|C4X-16999|1075240-33-3 https://www.jk-sci.com/products/s57c4x-170019 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca70f6b62edbccbadf5dd95473d7a0b0_ec432bcc-23d6-4c55-bba6-e6fd63ac7ee9.jpg?v=1791375336 Minoxidil Impurity 19, 99.10% | 56-06-4 Minoxidil Impurity 19|C4X-170019|56-06-4 https://www.jk-sci.com/products/j5305226 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6e8e9fb9bc3bbe00aa34ccaeafddd02.jpg?v=1791417689 Boc-L-meta-tyrosine, Purity by HPLC ≥ 99% | 90819-30-0 Boc-L-meta-tyrosine|05226|90819-30-0 https://www.jk-sci.com/products/ts246cs-0047005 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70f1832f76d9b8028ffcef668db8b3b1.jpg?v=1791340005 tert-Butyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate, 97% | 169206-65-9 tert-Butyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate|CS-0047005|169206-65-9 https://www.jk-sci.com/products/ts246cs-0046977 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f865fa1e6926a593fbbc37e0e08ea87.jpg?v=1791340027 Pyrido[3,4-d]pyrimidin-4(3H)-one, 97% | 19178-25-7 Pyrido[3,4-d]pyrimidin-4(3H)-one|CS-0046977|19178-25-7 https://www.jk-sci.com/products/j5305314 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/feca45ca768da186ce333d852c42fa86.jpg?v=1791417634 Boc-L-proline amide, Purity by HPLC ≥ 99% | 35150-07-3 Boc-L-proline amide|05314|35150-07-3 https://www.jk-sci.com/products/j5305347 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aac89a182483528802f3b602d49d3cbd.jpg?v=1791417595 Fmoc-3-iodo-L-tyrosine, Purity by HPLC ≥ 97.5% | 134486-00-3 Fmoc-3-iodo-L-tyrosine|05347|134486-00-3 https://www.jk-sci.com/products/ts246cs-0047030 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473683.png?v=1791339994 tert-Butyl (S)-2-carbamothioylpyrrolidine-1-carboxylate, 97.00%+ | 101410-18-8 tert-Butyl (S)-2-carbamothioylpyrrolidine-1-carboxylate|CS-0047030|101410-18-8 https://www.jk-sci.com/products/j5305382 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd6772b88e496c8d495a21600c05acc5.jpg?v=1791417561 Na-[2,4-Dinitro-5-fluorophenyl]-D-alanine amide, Purity by HPLC ≥ 98% | 132055-99-3 Na-[2,4-Dinitro-5-fluorophenyl]-D-alanine amide|05382|132055-99-3 https://www.jk-sci.com/products/s57c4x-170031 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c5b715d25f4c4ce3dceafeeef27aee4.jpg?v=1791375330 Minoxidil Impurity 31, Purity: 98.4% | 35139-68-5 Minoxidil Impurity 31|C4X-170031|35139-68-5 https://www.jk-sci.com/products/ts246cs-0047064 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7e0ee8c9231bcae1c9954e9c4795a586.jpg?v=1791339967 tert-Butyl (2S,4R)-4-((tert-butyldiphenylsilyl)oxy)-2-(hydroxymethyl)pyrrolidine-1-carboxylate, 98% | 615582-98-4 tert-Butyl (2S,4R)-4-((tert-butyldiphenylsilyl)oxy)-2-(hydroxymethyl)pyrrolidine-1-carboxylate|CS-0047064|615582-98-4 https://www.jk-sci.com/products/j5305412 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c669244d080357867323c82f09f352f2.jpg?v=1791417537 7-Aminoheptanoic acid, Assay ≥ 99% | 929-17-9 7-Aminoheptanoic acid|05412|929-17-9 https://www.jk-sci.com/products/ts246cs-0047181 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d004946898be2fb6297a9a38f367eb64.jpg?v=1791339933 2-(5-Fluoropyridin-2-yl)acetic acid, 95% | 1000515-83-2 2-(5-Fluoropyridin-2-yl)acetic acid|CS-0047181|1000515-83-2 https://www.jk-sci.com/products/j5305454 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9c9b56293ce83fa59932a85fcc79f41d.jpg?v=1791417516 Na-Boc-Nw-(mesitylene-2-sulfonyl)-L-arginine cyclohexylammonium salt, Purity by HPLC ≥ 99% | 68262-71-5 Na-Boc-Nw-(mesitylene-2-sulfonyl)-L-arginine cyclohexylammonium salt|05454|68262-71-5 https://www.jk-sci.com/products/ts246cs-0047301 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fda70b6101fbf1ae724cc4764b606e63.jpg?v=1791339889 Benzyl (S)-4-(hydroxymethyl)-2,2-dimethyloxazolidine-3-carboxylate, 96% | 133464-36-5 Benzyl (S)-4-(hydroxymethyl)-2,2-dimethyloxazolidine-3-carboxylate|CS-0047301|133464-36-5 https://www.jk-sci.com/products/ts246cs-0047279 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8aa8da8e6f452df137dfe0e156ca10cf.jpg?v=1791339896 tert-Butyl [1-(2-hydroxyethyl)cyclopropyl]carbamate, 97% | 753023-57-3 tert-Butyl [1-(2-hydroxyethyl)cyclopropyl]carbamate|CS-0047279|753023-57-3 https://www.jk-sci.com/products/s57c4x-17004 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1e7018265425c2d71fed134b40dcc4c.jpg?v=1791375324 Minoxidil EP Impurity D, Purity: 100.0% | 75105-16-7 Minoxidil EP Impurity D|C4X-17004|75105-16-7 https://www.jk-sci.com/products/j5305467 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f0dfa9c084ef6597e1d98570981e1ee.jpg?v=1791417499 Boc-S-9-fluorenylmethyl-L-cysteine, Purity by HPLC ≥ 99% | 84888-35-7 Boc-S-9-fluorenylmethyl-L-cysteine|05467|84888-35-7 https://www.jk-sci.com/products/s57c4x-17006 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c0dfe74b0783f9d46772e17b0850e81f_c3f6bda9-aa6e-47ce-bddf-876fb67a7614.jpg?v=1791375324 Minoxidil Impurity 6, Purity: 99.3% | 116436-03-4 Minoxidil Impurity 6|C4X-17006|116436-03-4 https://www.jk-sci.com/products/s57c4x-170414 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddfa32c44312dc93bc363cf185edb492.jpg?v=1791375305 Mometasone Furoate EP Impurity N, 98.00% | 352315-75-4 Mometasone Furoate EP Impurity N|C4X-170414|352315-75-4 https://www.jk-sci.com/products/s57c4x-17021 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5de507cf7c54bb7c49375a4f4beffa4.jpg?v=1791375310 Imidaclopin alpha isomer, 94.50% | 126077-59-6 Imidaclopin alpha isomer|C4X-17021|126077-59-6 https://www.jk-sci.com/products/ts246cs-0047321 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d1028215322326fb00e6cf287ffea0b.jpg?v=1791339875 N-Methyl lactam, 96.00%+ | 116212-46-5 N-Methyl lactam|CS-0047321|116212-46-5 https://www.jk-sci.com/products/s57c4x-170412 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aea6c2e6e5e4376ade812352396a628c.jpg?v=1791375311 Mometasone Furoate EP Impurity F, 99.00% | 1305334-30-8 Mometasone Furoate EP Impurity F|C4X-170412|1305334-30-8 https://www.jk-sci.com/products/j5305483 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2866f6a66c2c32adedf4e7e2625e5dfc.jpg?v=1791417475 Boc-S-4-methoxybenzyl-D-cysteine, Purity by HPLC ≥ 98% | 58290-35-0 Boc-S-4-methoxybenzyl-D-cysteine|05483|58290-35-0 https://www.jk-sci.com/products/ts246cs-0047412 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53ba0b1c9b8ca2bdb565cb5ab819eaf8.jpg?v=1791339843 tert-Butyl 2-(hydroxymethyl)-8-azaspiro[4.5]decane-8-carboxylate, 95% | 1341039-86-8 tert-Butyl 2-(hydroxymethyl)-8-azaspiro[4.5]decane-8-carboxylate|CS-0047412|1341039-86-8 https://www.jk-sci.com/products/ts246cs-0047373 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4d8d2496bcc8c0f1551b988acb0b1e7c.jpg?v=1791339855 tert-Butyl 3-hydroxy-4-(hydroxymethyl)piperidine-1-carboxylate, 95% | 220218-58-6 tert-Butyl 3-hydroxy-4-(hydroxymethyl)piperidine-1-carboxylate|CS-0047373|220218-58-6 https://www.jk-sci.com/products/s57c4x-170416 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2cebe6e3-cf84-47f2-874a-30f265ac7c5a.png?v=1791375300 Mometasone Furoate EP Impurity P, 95.50% Mometasone Furoate EP Impurity P|C4X-170416 https://www.jk-sci.com/products/j5305492 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c17130208035d76528d44d0681c85e.jpg?v=1791417463 Boc-D-glutamic acid a-methyl ester, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 55227-00-4 Boc-D-glutamic acid a-methyl ester|05492|55227-00-4 https://www.jk-sci.com/products/j5305513 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9fa8dce9b99d7ea16c016452621ed873.jpg?v=1791417422 Na-Boc-D-ornithine, Assay by titration ≥ 99.5% || Purity by HPLC ≥ 99% | 159877-12-0 Na-Boc-D-ornithine|05513|159877-12-0 https://www.jk-sci.com/products/ts246cs-0047464 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a67194c3b1adb16e1ca81cd604df7f84.jpg?v=1791339827 (4aR,7aS)-rel-6-Boc-octahydropyrrolo[3,4-b][1,4]oxazine, 97% | 138027-02-8 (4aR,7aS)-rel-6-Boc-octahydropyrrolo[3,4-b][1,4]oxazine|CS-0047464|138027-02-8 https://www.jk-sci.com/products/j5305524 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fcd8ebe4842ef67d41c75bf5346cf93.jpg?v=1791417410 Boc-DL-leucine hydrate, Purity by HPLC ≥ 99% | 200937-21-9 Boc-DL-leucine hydrate|05524|200937-21-9 https://www.jk-sci.com/products/j5305561 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c86ef464f9cfe9017dc1c8be876977df.jpg?v=1791417375 Boc-Na-methyl-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine, Purity by HPLC ≥ 98% | 125602-26-8 Boc-Na-methyl-Nw-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine|05561|125602-26-8 https://www.jk-sci.com/products/j5305574 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07ddb0594d16e71d77a01fd4b7ec6e6a.jpg?v=1791417357 Boc-N-methyl-L-serine, Assay ≥ 97% | 101772-29-6 Boc-N-methyl-L-serine|05574|101772-29-6 https://www.jk-sci.com/products/s57c4x-170420 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ac89b1b0-ad54-4b3d-95d5-3d41ecc1e0a8.png?v=1791375289 Mometasone Furoate EP Impurity T, Purity: 99.6% Mometasone Furoate EP Impurity T|C4X-170420 https://www.jk-sci.com/products/ts246cs-0047501 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc1a6590bd0c7dd4fe31e557dd6eeb03.jpg?v=1791339817 tert-Butyl 1-oxo-6-azaspiro[3.4]octane-6-carboxylate, 97% | 1251010-17-9 tert-Butyl 1-oxo-6-azaspiro[3.4]octane-6-carboxylate|CS-0047501|1251010-17-9 https://www.jk-sci.com/products/s57c4x-170427 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c747283d50b64b0accde134269a10032.jpg?v=1791375288 Mometasone Impurity 27, 96.40% | 201601-32-3 Mometasone Impurity 27|C4X-170427|201601-32-3 https://www.jk-sci.com/products/ts246cs-0047533 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f5fbe205bdc01ccc05c619f2fcb1863.jpg?v=1791339807 4-Borono-2-methoxybenzoic acid, 98% | 851335-12-1 4-Borono-2-methoxybenzoic acid|CS-0047533|851335-12-1 https://www.jk-sci.com/products/s57c4x-170418 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f2a64e1f69528090d40b46dcd9a7be7.jpg?v=1791375300 Mometasone Furoate EP Impurity S, 95.10% | 2231764-75-1 Mometasone Furoate EP Impurity S|C4X-170418|2231764-75-1 https://www.jk-sci.com/products/j5305584 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f6f7851c3d98ab5826dad95bf849531.jpg?v=1791417347 Boc-4-fluoro-DL-phenylalanine, Purity by HPLC ≥ 99% | 79561-25-4 Boc-4-fluoro-DL-phenylalanine|05584|79561-25-4 https://www.jk-sci.com/products/s57c4x-17044 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2242db6ac9deaa2a6c0a38d90939da8.jpg?v=1791375283 Mometasone Furoate EP Impurity B, 97.30% | 223776-49-6 Mometasone Furoate EP Impurity B|C4X-17044|223776-49-6 https://www.jk-sci.com/products/ts246cs-0047538 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92f8463f4036d59ecabd17b82c649388.jpg?v=1791339802 (2-Bromo-5-fluorophenyl)boronic acid, 98% | 959996-48-6 (2-Bromo-5-fluorophenyl)boronic acid|CS-0047538|959996-48-6 https://www.jk-sci.com/products/ts246cs-0047564 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fb797df2f48a2655f95ed5efd360b57.jpg?v=1791339791 2-(Methoxycarbonyl)cyclopropanecarboxylic acid, 98% | 13279-88-4 2-(Methoxycarbonyl)cyclopropanecarboxylic acid|CS-0047564|13279-88-4 https://www.jk-sci.com/products/ts246cs-0047586 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa8409a7c23d3f6ae0c98c6a45bb7c79.jpg?v=1791339775 (E)-1-Chloro-4-(2-nitrovinyl)benzene, 97% | 5153-70-8 (E)-1-Chloro-4-(2-nitrovinyl)benzene|CS-0047586|5153-70-8 https://www.jk-sci.com/products/ts246cs-0047644 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/431734.png?v=1791339753 2-Chloro-7,8-dihydropteridin-6(5H)-one, 97% | 875231-98-4 2-Chloro-7,8-dihydropteridin-6(5H)-one|CS-0047644|875231-98-4 https://www.jk-sci.com/products/s57c4x-17046 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b08ecc9c6ad0fd43c29d20993eb67dfa.jpg?v=1791375276 Mometasone Furoate EP Impurity C, 99.40% | 1305334-31-9 Mometasone Furoate EP Impurity C|C4X-17046|1305334-31-9 https://www.jk-sci.com/products/s57c4x-17048 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29a28a9d00d9c5e3f9ca2bcbac9416d2.jpg?v=1791375273 Mometasone Furoate EP Impurity E, Purity: 98.2% | 1370190-33-2 Mometasone Furoate EP Impurity E|C4X-17048|1370190-33-2 https://www.jk-sci.com/products/ts246cs-0047596 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/157308.png?v=1791339769 5-Methoxyuridine, 97% | 35542-01-9 5-Methoxyuridine|CS-0047596|35542-01-9 https://www.jk-sci.com/products/s57c4x-170448 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d303450a-6aba-4cba-a5ca-e784369ccee9.png?v=1791375278 Mometasone Impurity 48, 93.40% Mometasone Impurity 48|C4X-170448 https://www.jk-sci.com/products/s57c4x-170619 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_3750b5cf-c759-4e89-a184-c56b39c8dcac.png?v=1791375261 Mupirocin Dimer 1, 97.60% Mupirocin Dimer 1|C4X-170619 https://www.jk-sci.com/products/j5305599 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7e47e5a40173139d19c8a577fa58b97.jpg?v=1791417331 Boc-O-methyl-L-serine dicyclohexylammonium salt, Purity by HPLC ≥ 98.5% | 51293-47-1 Boc-O-methyl-L-serine dicyclohexylammonium salt|05599|51293-47-1 https://www.jk-sci.com/products/s57c4x-17061 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2142301bd2a5f2db629f5fc50c42cdd.jpg?v=1791375268 Mupirocin EP Impurity A, 92.20% | 40980-51-6 Mupirocin EP Impurity A|C4X-17061|40980-51-6 https://www.jk-sci.com/products/s57c4x-170614 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aa38f730ac298fda2731a4fbf51902fc.jpg?v=1791375266 Lithium Mupirocin, 96.80% | 73346-79-9 Lithium Mupirocin|C4X-170614|73346-79-9 https://www.jk-sci.com/products/s57c4x-170630 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_17c9c750-d3ac-4709-89a4-254347c84906.png?v=1791375255 Mupirocin Impurity 30, 93.40% Mupirocin Impurity 30|C4X-170630 https://www.jk-sci.com/products/ts246cs-0047703 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/715627034e312188b561d2d41027ec9d.jpg?v=1791339727 N1,N3-Dibenzylpropane-1,3-diamine, 96% | 10239-34-6 N1,N3-Dibenzylpropane-1,3-diamine|CS-0047703|10239-34-6 https://www.jk-sci.com/products/j5305610 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b0b6506865b8f494a612fe7a5c4a4a5.jpg?v=1791417320 Boc-b-tert-butyl-D-alanine, Assay ≥ 99% | 112695-98-4 Boc-b-tert-butyl-D-alanine|05610|112695-98-4 https://www.jk-sci.com/products/j5305641 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2bad7c2dfd1bd16252bd1169b2394be.jpg?v=1791417286 Benzyl-L-isoleucine, Purity by HPLC ≥ 98% | 1859-49-0 Benzyl-L-isoleucine|05641|1859-49-0 https://www.jk-sci.com/products/j5305686 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d687f1e78691b41ec795c37d93d9ea63.jpg?v=1791417248 Na-Fmoc-Nw,Nw'-bis-Boc-D-arginine, Purity ≥ 98% | 214852-34-3 Na-Fmoc-Nw,Nw'-bis-Boc-D-arginine|05686|214852-34-3 https://www.jk-sci.com/products/j5305706 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33c7b62aa2b3fe88dedcb34ce7593e0b.jpg?v=1791417220 Fmoc-O-benzyl-D-serine, Purity by HPLC ≥ 99% | 122889-11-6 Fmoc-O-benzyl-D-serine|05706|122889-11-6 https://www.jk-sci.com/products/j5305703 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed1e03a09a0917538020d799a657eeca.jpg?v=1791417223 Na-Fmoc-D-lysine hydrochloride, Purity by HPLC ≥ 98% | 201002-47-3 Na-Fmoc-D-lysine hydrochloride|05703|201002-47-3 https://www.jk-sci.com/products/j5305724 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/655a5074da3d8d0b6c1f4d000acaffd8.jpg?v=1791417204 Fmoc-O-benzyl-L-trans-4-hydroxyproline, Purity by HPLC ≥ 99% | 174800-02-3 Fmoc-O-benzyl-L-trans-4-hydroxyproline|05724|174800-02-3 https://www.jk-sci.com/products/j5305716 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14fe6ee2caffb6ed2c6691c9d36d2565.jpg?v=1791417210 Fmoc-Gly-Gly-OH, Purity by HPLC ≥ 99% | 35665-38-4 Fmoc-Gly-Gly-OH|05716|35665-38-4 https://www.jk-sci.com/products/j5305711 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b31c7112c1e36166ea62dde956328ce2.jpg?v=1791417215 Fmoc-DL-norleucine, Purity by HPLC ≥ 98% | 144701-20-2 Fmoc-DL-norleucine|05711|144701-20-2 https://www.jk-sci.com/products/j5305734 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4392ba4c6fc0fd0edeb1806f213b745.jpg?v=1791417184 Na-Fmoc-Ne-2,4-dinitrophenyl-L-lysine, Purity by HPLC ≥ 98% | 148083-64-1 Na-Fmoc-Ne-2,4-dinitrophenyl-L-lysine|05734|148083-64-1 https://www.jk-sci.com/products/j5305743 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a56b3c9bc88aa27b6f3098a481c61167.jpg?v=1791417172 Fmoc-N-methyl-Asp(OtBu)-OH, Purity by HPLC ≥ 98% | 152548-66-8 Fmoc-N-methyl-Asp(OtBu)-OH|05743|152548-66-8 https://www.jk-sci.com/products/j5305751 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48fa3cda865f8d50eb39d72f05eb0c6a.jpg?v=1791417156 Fmoc-4-amino-L-phenylalanine, Purity by HPLC ≥ 98% | 95753-56-3 Fmoc-4-amino-L-phenylalanine|05751|95753-56-3 https://www.jk-sci.com/products/j5305748 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9bd5a8a8fc006276834db4bb597e3a3.jpg?v=1791417162 Na-Fmoc-Nd-pyrazinylcarbonyl-L-ornithine, Purity by HPLC ≥ 98% | 201046-61-9 Na-Fmoc-Nd-pyrazinylcarbonyl-L-ornithine|05748|201046-61-9 https://www.jk-sci.com/products/j5305763 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12646445e221c5141b3c1a014e2a439d.jpg?v=1791417145 Fmoc-Pro-Pro-OH, Purity by HPLC ≥ 98% | 129223-22-9 Fmoc-Pro-Pro-OH|05763|129223-22-9 https://www.jk-sci.com/products/j5305774 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/669af96ab71d3ccd74d0efa21637dbfd.jpg?v=1791417134 DL-a-Methylleucine, Assay by titration 99 - 100% | 144-24-1 DL-a-Methylleucine|05774|144-24-1 https://www.jk-sci.com/products/s57c4x-170811 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/204407.png?v=1791375256 Naproxen EP Impurity K, 97.60% | 77301-42-9 Naproxen EP Impurity K|C4X-170811|77301-42-9 https://www.jk-sci.com/products/ts246cs-0047748 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8c987778210b3819557fbb37f7191ed.jpg?v=1791339691 trans-5-Amino-2-Boc-hexahydro-cyclopenta[c]pyrrole hydrochloride, 97.00%+ | 1630907-13-9 trans-5-Amino-2-Boc-hexahydro-cyclopenta[c]pyrrole hydrochloride|CS-0047748|1630907-13-9 https://www.jk-sci.com/products/j5305776 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc3f4506e49303c6eadae044b3bad42c.jpg?v=1791417130 a-Methyl-DL-phenylalanine methyl ester hydrochloride, Purity ≥ 98% | 64665-60-7 a-Methyl-DL-phenylalanine methyl ester hydrochloride|05776|64665-60-7 https://www.jk-sci.com/products/s57c4x-170813 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/600560_0f017bb7-1321-45e1-b69f-8a6439afc99e.png?v=1791375251 Naproxen EP Impurity M, 96.20% | 93-04-9 Naproxen EP Impurity M|C4X-170813|93-04-9 https://www.jk-sci.com/products/j5305787 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/059d149f8c381786aeffc015257d8baf.jpg?v=1791417122 g-Glu-4-Abz-OH, Purity ≥ 98% (NMR) | 2643-70-1 g-Glu-4-Abz-OH|05787|2643-70-1 https://www.jk-sci.com/products/ts246cs-0047782 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb9dc7421209a265fbc1a7aded1b6234.jpg?v=1791339681 rel-((3R,4S)-3-Fluorotetrahydro-2H-pyran-4-amine hydrochloride), 98% | 1630906-66-9 rel-((3R,4S)-3-Fluorotetrahydro-2H-pyran-4-amine hydrochloride)|CS-0047782|1630906-66-9 https://www.jk-sci.com/products/j5305816 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ffd67dc1c63136857cc1acf8ff06c40.jpg?v=1791417101 a-Aminoisobutyric acid tert-butyl ester hydrochloride, Purity by HPLC ≥ 98% | 4512-32-7 a-Aminoisobutyric acid tert-butyl ester hydrochloride|05816|4512-32-7 https://www.jk-sci.com/products/j5305833 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/813a5fc139218d4b36e7bcfdc06a43fa.jpg?v=1791417094 L-Alanine methylamide hydrochloride, Purity by HPLC ≥ 98% | 61275-22-7 L-Alanine methylamide hydrochloride|05833|61275-22-7 https://www.jk-sci.com/products/j5305845 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37f777b314ce691daeaefb64f23464df.jpg?v=1791417074 O-tert-Butyl-L-allo-threonine, Purity ≥ 98% (NMR) | 201353-89-1 O-tert-Butyl-L-allo-threonine|05845|201353-89-1 https://www.jk-sci.com/products/j5305922 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fd573ce7cf86c1029c6124f2f9618d2.jpg?v=1791417007 D-Ala-Ala-OH·HCl, Purity by HPLC ≥ 98% | 1115-78-2 D-Ala-Ala-OH·HCl|05922|1115-78-2 https://www.jk-sci.com/products/j5305856 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f58855913ddd24e7ad0a0ca5e1893b1b.jpg?v=1791417057 H-Arg(Pmc)-OtBu (free base), Assay ≥ 99% (Elemental analysis based on Nitrogen Content) | 169543-81-1 H-Arg(Pmc)-OtBu (free base)|05856|169543-81-1 https://www.jk-sci.com/products/j5305887 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f45b856994d3cd0197448b51552580fb.jpg?v=1791417035 L-Aspartic acid dimethyl ester hydrochloride, Purity by HPLC ≥ 98% | 32213-95-9 L-Aspartic acid dimethyl ester hydrochloride|05887|32213-95-9 https://www.jk-sci.com/products/j5305937 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6009c7ffc281a8c86b0d302955556296.jpg?v=1791416990 Nw-(2,2,4,6,7-Pentamethyldihydrobenzofuran)-5-sulfonyl-D-arginine, Purity by HPLC ≥ 99.0% | 200116-81-0 Nw-(2,2,4,6,7-Pentamethyldihydrobenzofuran)-5-sulfonyl-D-arginine|05937|200116-81-0 https://www.jk-sci.com/products/j5305943 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7db4da726beb84a434eea5530bb717ad.jpg?v=1791416981 D-Aspartic acid dimethyl ester hydrochloride, Purity by HPLC ≥ 99% | 69630-50-8 D-Aspartic acid dimethyl ester hydrochloride|05943|69630-50-8 https://www.jk-sci.com/products/j5305975 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5905b896eb742424a321ee9dc465fee5.jpg?v=1791416945 D-Homoproline methyl ester hydrochloride, Purity by HPLC ≥ 98% | 18650-38-9 D-Homoproline methyl ester hydrochloride|05975|18650-38-9 https://www.jk-sci.com/products/j5305951 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d9cdc5dea0f3cc8d887d8974565f3ef0.jpg?v=1791416965 S-tert-Butyl-D-cysteine hydrochloride, Purity by HPLC ≥ 98% | 200353-65-7 S-tert-Butyl-D-cysteine hydrochloride|05951|200353-65-7 https://www.jk-sci.com/products/j5305966 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50657c20f82019d0759c7fa75e60a1eb.jpg?v=1791416957 D-Glutamic acid a-amide hydrochloride | 19522-40-8 D-Glutamic acid a-amide hydrochloride|05966|19522-40-8 https://www.jk-sci.com/products/j5305979 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/178ebfa1d9ed196ec2399e18bafc2e75.jpg?v=1791416940 D-Leu-Gly-OH, Purity by HPLC ≥ 95% | 997-05-7 D-Leu-Gly-OH|05979|997-05-7 https://www.jk-sci.com/products/j5305994 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/619860fa29131fa9f9059702afec5758.jpg?v=1791416929 D-Phenylalanine amide, Purity by HPLC ≥ 99% | 5241-59-8 D-Phenylalanine amide|05994|5241-59-8 https://www.jk-sci.com/products/j5306010 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6a86a2f81a2591a6935dcbab33840700.jpg?v=1791416911 D-Threonine benzyl ester hydrochloride, Purity by HPLC ≥ 99% | 75748-36-6 D-Threonine benzyl ester hydrochloride|06010|75748-36-6 https://www.jk-sci.com/products/s57c4x-170815 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e549ba3fe3a4715403815c82b7e1a1c3_9f374804-3310-4837-a150-376493082de6.jpg?v=1791375246 Naproxen EP Impurity O, 99.20% | 2471-70-7 Naproxen EP Impurity O|C4X-170815|2471-70-7 https://www.jk-sci.com/products/s57c4x-170821 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/292695.png?v=1791375243 Naproxen EP Impurity I, 99.70% | 23981-47-7 Naproxen EP Impurity I|C4X-170821|23981-47-7 https://www.jk-sci.com/products/ts246cs-0047875 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/504860.png?v=1791339641 tert-Butyl trans-2,5-dimethylpiperazine-1-carboxylate hydrochloride, 97% | 792969-69-8 tert-Butyl trans-2,5-dimethylpiperazine-1-carboxylate hydrochloride|CS-0047875|792969-69-8 https://www.jk-sci.com/products/s57c4x-170823 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7de20cb778876d968f4e7a27ca74aca.jpg?v=1791375238 Naproxen EP Impurity C, 99.80% | 84236-26-0 Naproxen EP Impurity C|C4X-170823|84236-26-0 https://www.jk-sci.com/products/s57c4x-15499 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cda5b3ec060ea6631be6c6a886aedec.jpg?v=1791376642 Atenolol EP Impurity I, 91.50% | 1797116-92-7 Atenolol EP Impurity I|C4X-15499|1797116-92-7 https://www.jk-sci.com/products/s57c4x-156314 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c44e0fc1fbc781291b2d17487cd555be.jpg?v=1791376577 Biotin EP Impurity D(Mixture of Diastereomers), Purity: 95.5% | 415725-35-8 Biotin EP Impurity D(Mixture of Diastereomers)|C4X-156314|415725-35-8 https://www.jk-sci.com/products/s57c4x-15392 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fcf4a290de97166c7e022d982a25eb99.jpg?v=1791376722 Alverine EP Impurity C HCl, 100.00% | 13125-63-8 Alverine EP Impurity C HCl|C4X-15392|13125-63-8 https://www.jk-sci.com/products/ts246cs-0047901 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/117e9ff65881c7e2953ac4091d61b676.jpg?v=1791339636 tert-Butyl N-{4-aminobicyclo[2.2.1]heptan-1-yl}carbamate, 98% | 1630907-27-5 tert-Butyl N-{4-aminobicyclo[2.2.1]heptan-1-yl}carbamate|CS-0047901|1630907-27-5 https://www.jk-sci.com/products/s57c4x-156928 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138573_a446fea6-cc43-4881-ab98-47370e61a458.png?v=1791376512 Clotrimazole Impurity 28, 99.60% | 5162-03-8 Clotrimazole Impurity 28|C4X-156928|5162-03-8 https://www.jk-sci.com/products/j5306015 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ff3ff4f963dcc1202672222e4010eca.jpg?v=1791416906 D-Valine tert-butyl ester hydrochloride, Purity by HPLC ≥ 98% | 104944-18-5 D-Valine tert-butyl ester hydrochloride|06015|104944-18-5 https://www.jk-sci.com/products/s57c4x-15792 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04e2c3db71da7ee4a40cdead85cbcab0.jpg?v=1791376443 Cefpodoxime Proxetil EP Impurity B, 91.30% | 947692-14-0 Cefpodoxime Proxetil EP Impurity B|C4X-15792|947692-14-0 https://www.jk-sci.com/products/ts246cs-0046181 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/301174.png?v=1791341075 6-Methylbenzo[d]thiazol-2-amine, 98% | 2536-91-6 6-Methylbenzo[d]thiazol-2-amine|CS-0046181|2536-91-6 https://www.jk-sci.com/products/ts246cs-0045841 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/669ee7dc69032e6c293120f502086969.jpg?v=1791341209 Methyl 2-oxo-1,2-dihydropyrimidine-5-carboxylate, 98% | 50628-34-7 Methyl 2-oxo-1,2-dihydropyrimidine-5-carboxylate|CS-0045841|50628-34-7 https://www.jk-sci.com/products/s57c4x-159217 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e130ab22c63911317ad5a9e7dd18e486.jpg?v=1791376308 Clobetasol Propionate EP Impurity D, 99.40% | 25120-99-4 Clobetasol Propionate EP Impurity D|C4X-159217|25120-99-4 https://www.jk-sci.com/products/s57c4x-159016 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1361062d31821badd77338ef04166068.jpg?v=1791376375 Safinamide Impurity 16, Purity: 99.8% | 1000370-24-0 Safinamide Impurity 16|C4X-159016|1000370-24-0 https://www.jk-sci.com/products/ts246cs-0046377 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5626abbf81b80c1a7098f4201f27187d.jpg?v=1791340881 2-Bromo-4-chloro-3-fluorobenzoic acid, 95% | 170108-06-2 2-Bromo-4-chloro-3-fluorobenzoic acid|CS-0046377|170108-06-2 https://www.jk-sci.com/products/s57c4x-161316 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e2e6bb54-2c32-49c9-81a4-106676b4dd46.png?v=1791376226 Dexpanthenol EP Impurity D, 97.40% Dexpanthenol EP Impurity D|C4X-161316 https://www.jk-sci.com/products/ts246cs-0046764 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6bfc8e2883df60f818223f30e27611d.jpg?v=1791340181 N-p-Tosylglycine, 96% | 1080-44-0 N-p-Tosylglycine|CS-0046764|1080-44-0 https://www.jk-sci.com/products/s57c4x-16235 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345937_4b3f8023-8c0b-4611-ab62-74902fee0e01.png?v=1791376158 Doxazosin EP Impurity E, 95.50% | 27631-29-4 Doxazosin EP Impurity E|C4X-16235|27631-29-4 https://www.jk-sci.com/products/s57c4x-16273 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78de411ef14c90c09113f28cee5e4c7e.jpg?v=1791376126 Efavirenz Impurity 3, 98.90% | 205755-86-8 Efavirenz Impurity 3|C4X-16273|205755-86-8 https://www.jk-sci.com/products/s57c4x-161954 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3da75bc08137119bc795a4b2043a6436.jpg?v=1791376196 Docetaxel Impurity 54, 94.20% | 173101-47-8 Docetaxel Impurity 54|C4X-161954|173101-47-8 https://www.jk-sci.com/products/ts246cs-0046857 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/520140_cd76fc90-08b3-45fc-b073-945d273e63e5.png?v=1791340123 4'-(tert-Butyl)-[1,1'-biphenyl]-4-carboxylic acid, 98% | 5748-42-5 4'-(tert-Butyl)-[1,1'-biphenyl]-4-carboxylic acid|CS-0046857|5748-42-5 https://www.jk-sci.com/products/ts246cs-0047377 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2adbd1a2e46f7cc66f19e8740698eeae.jpg?v=1791339854 6-Bromo-5-chloroquinazolin-4(3H)-one, 97% | 1131605-26-9 6-Bromo-5-chloroquinazolin-4(3H)-one|CS-0047377|1131605-26-9 https://www.jk-sci.com/products/j5303773 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2173a748f96d3fd735b58b17d2b130eb.jpg?v=1791419210 Chloromethylated polystyrene (0.3 - 0.8 meq/g, 100 - 200 mesh), Mesh Size 100-200 mesh || Substitution (meq/g) 0.3-0.8 meq/g | 55844-94-5 Chloromethylated polystyrene (0.3 - 0.8 meq/g, 100 - 200 mesh)|03773|55844-94-5 https://www.jk-sci.com/products/s57c4x-16517 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/138653_bcd99696-1a9a-4c8d-8a57-282c86a8af55.png?v=1791375897 Fluvastatin EP Impurity G, 97.80% | 101125-34-2 Fluvastatin EP Impurity G|C4X-16517|101125-34-2 https://www.jk-sci.com/products/s57c4x-16549 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/436346_c8028ab8-1fff-4669-92a1-5d6177f0a0a2.png?v=1791375878 Gabapentin Impurity 9, Purity: 99.3% | 4355-11-7 Gabapentin Impurity 9|C4X-16549|4355-11-7 https://www.jk-sci.com/products/s57c4x-16421 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/290885_693f8f5c-5bea-44fc-8081-c3efbb61a54b.png?v=1791375994 Famciclovir Impurity 1, 99.30% | 104227-86-3 Famciclovir Impurity 1|C4X-16421|104227-86-3 https://www.jk-sci.com/products/s57c4x-164927 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96f72bfea1094f1afee99fc71c53f883.jpg?v=1791375965 Fluorouracil Impurity 27, Purity: 98.0% | 2566704-13-8 Fluorouracil Impurity 27|C4X-164927|2566704-13-8 https://www.jk-sci.com/products/s57c4x-165033 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f78878d5f99ab9f7b22f1774b18fcca.jpg?v=1791375929 Fluticasone Furoate, 99.50% | 397864-44-7 Fluticasone Furoate|C4X-165033|397864-44-7 https://www.jk-sci.com/products/ts246cs-0047012 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f27a6522ed793d8039ccc3821f2df6d7.jpg?v=1791340000 2-(2-Methoxyphenyl)oxirane, 95% | 62717-78-6 2-(2-Methoxyphenyl)oxirane|CS-0047012|62717-78-6 https://www.jk-sci.com/products/ts246cs-0047093 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/232085_3924184c-2e90-42c6-bb44-f9eb41912813.png?v=1791339955 tert-Butyl 3-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate, 95% | 183742-33-8 tert-Butyl 3-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate|CS-0047093|183742-33-8 https://www.jk-sci.com/products/s57c4x-16309 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/608892_039634f7-5aeb-42f3-8783-9b590a8d1f10.png?v=1791376059 Eplerenone, 99.80% | 107724-20-9 Eplerenone|C4X-16309|107724-20-9 https://www.jk-sci.com/products/j5304907 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39f63ccc254e5c2bba19769813cc7a00.jpg?v=1791418047 Na-Boc-Nw-(mesitylene-2-sulfonyl)-D-arginine cyclohexylammonium salt, Purity by HPLC ≥ 99% | 68262-72-6 Na-Boc-Nw-(mesitylene-2-sulfonyl)-D-arginine cyclohexylammonium salt|04907|68262-72-6 https://www.jk-sci.com/products/j5304421 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3ffcd8a643af377376a0f6bdcd946fd.jpg?v=1791418362 b-Cyclohexyl-L-alanine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 144600-01-1 b-Cyclohexyl-L-alanine methyl ester hydrochloride|04421|144600-01-1 https://www.jk-sci.com/products/s57c4x-1663 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/576602_0bb17f0f-c8ce-4df5-a4d1-9773aabd8315.png?v=1791375860 Iodixanol, 87.80% | 92339-11-2 Iodixanol|C4X-1663|92339-11-2 https://www.jk-sci.com/products/ts246cs-0047221 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13c6ef308191f6bac083dc44ba25a043.jpg?v=1791339914 9-Benzyl-3-oxo-9-azabicyclo[3.3.1]nonane, 98% | 2291-58-9 9-Benzyl-3-oxo-9-azabicyclo[3.3.1]nonane|CS-0047221|2291-58-9 https://www.jk-sci.com/products/s57c4x-166522 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd9dd60285c810aaa07fc5cca4eb10a0.jpg?v=1791375837 Ipratropium Impurity 22, 94.50% | 3979-14-4 Ipratropium Impurity 22|C4X-166522|3979-14-4 https://www.jk-sci.com/products/s57c4x-162925 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/336099_960d795d-18e4-4a03-96e6-e18dc94b537d.png?v=1791376091 Entacapone Impurity 25, Purity: 99.9% | 6635-20-7 Entacapone Impurity 25|C4X-162925|6635-20-7 https://www.jk-sci.com/products/s57c4x-16656 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32b768b75d379fb0679e754f0dfc98ff.jpg?v=1791375823 Ipratropium Bromide EP Impurity F, 90.80% | 60018-35-1 Ipratropium Bromide EP Impurity F|C4X-16656|60018-35-1 https://www.jk-sci.com/products/ts246cs-0046971 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0e273e87832a8aac5ab632df674e76d.jpg?v=1791340036 4-(1-Methyl-1H-pyrazol-4-yl)aniline, 97% | 1079178-22-5 4-(1-Methyl-1H-pyrazol-4-yl)aniline|CS-0046971|1079178-22-5 https://www.jk-sci.com/products/ts246cs-0047467 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a144d2d048a9da24e4b8e06db5cb9e01.jpg?v=1791339825 (S)-4-Bromo-2,3-dihydro-1H-inden-1-ol, 97% | 83808-19-9 (S)-4-Bromo-2,3-dihydro-1H-inden-1-ol|CS-0047467|83808-19-9 https://www.jk-sci.com/products/s57c4x-16665 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eb93bfe62b1781e58188fcf59e59bc8f.jpg?v=1791375811 Irbesartan Impurity 5, 95.10% | 152708-24-2 Irbesartan Impurity 5|C4X-16665|152708-24-2 https://www.jk-sci.com/products/ts246cs-0047303 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d91d767fa27fcfcc4ca1c83aa9a181c.jpg?v=1791339885 8-(Aminomethyl)-1,4-dioxaspiro[4.5]decan-8-ol hydrochloride, 97% | 1240527-50-7 8-(Aminomethyl)-1,4-dioxaspiro[4.5]decan-8-ol hydrochloride|CS-0047303|1240527-50-7 https://www.jk-sci.com/products/s57c4x-16508 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c32f7567cde953530be38057b6c5751f.jpg?v=1791375911 Fluticasone Propionate EP Impurity B, 92.10% | 948566-12-9 Fluticasone Propionate EP Impurity B|C4X-16508|948566-12-9 https://www.jk-sci.com/products/s57c4x-163611 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cb3195026d50ad9fe7d6ac59b1b5fe2.jpg?v=1791376027 Estradiol Impurity 11, 98.70% | 3583-03-7 Estradiol Impurity 11|C4X-163611|3583-03-7 https://www.jk-sci.com/products/ts246cs-0047535 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/488387.png?v=1791339805 (2,5-Dibromopyridin-3-yl)boronic acid, 97.00%+ | 852228-14-9 (2,5-Dibromopyridin-3-yl)boronic acid|CS-0047535|852228-14-9 https://www.jk-sci.com/products/s57c4x-166910 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b197a0c596c891ef39b76142dc2d2f20.jpg?v=1791375782 Ketorolac EP Impurity J, 97.50% | 108061-03-6 Ketorolac EP Impurity J|C4X-166910|108061-03-6 https://www.jk-sci.com/products/j5305028 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0caf88563e9353b7cbe704deaeb8b0fb.jpg?v=1791417907 Fmoc-(R,S)-3-amino-N-1-carboxymethyl-2-oxo-5-phenyl-1,4-benzodiazepine, Purity by HPLC ≥ 97% | 204322-85-0 Fmoc-(R,S)-3-amino-N-1-carboxymethyl-2-oxo-5-phenyl-1,4-benzodiazepine|05028|204322-85-0 https://www.jk-sci.com/products/ts246cs-0047583 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b6257080d4439bf28160edc1982a3dc.jpg?v=1791339780 3-Carboxy-6-hydroxycoumarin, 95% | 56437-16-2 3-Carboxy-6-hydroxycoumarin|CS-0047583|56437-16-2 https://www.jk-sci.com/products/s57c4x-166935 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5be34f548ff5a15831d3955309aea9aa.jpg?v=1791375762 Ketorolac EP Impurity D, 93.10% | 1391053-45-4 Ketorolac EP Impurity D|C4X-166935|1391053-45-4 https://www.jk-sci.com/products/ts246cs-0047613 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fafc8bee532cb4ad7b4537a2059011c4.jpg?v=1791339759 Ethyl 3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylate, 95% | 1985607-65-5 Ethyl 3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylate|CS-0047613|1985607-65-5 https://www.jk-sci.com/products/s57c4x-16712 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cc08ebce58aa10c897afd5d3c194fb5e.jpg?v=1791375747 Lacidipine BP Impurity A, 99.20% | 103890-81-9 Lacidipine BP Impurity A|C4X-16712|103890-81-9 https://www.jk-sci.com/products/s57c4x-16738 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f361679ffe677f945c27bda58e2ea5f2.jpg?v=1791375712 Leflunomide EP Impurity H, 99.60% | 24522-30-3 Leflunomide EP Impurity H|C4X-16738|24522-30-3 https://www.jk-sci.com/products/s57c4x-16766 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8793aff5e287e38caad595d05086c7c1.jpg?v=1791375693 Levodopa Impurity 6, 96.20% | 85933-19-3 Levodopa Impurity 6|C4X-16766|85933-19-3 https://www.jk-sci.com/products/s57c4x-16725 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c996b505f0d04dc206da33beba07e9a5.jpg?v=1791375730 Lamotrigine EP Impurity D, 90.20% | 661463-79-2 Lamotrigine EP Impurity D|C4X-16725|661463-79-2 https://www.jk-sci.com/products/ts246cs-0047709 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fedb6508dea5f04ca496a59df28e04e.jpg?v=1791339729 2,5,8,11-Tetraoxatetradec-13-ene,97%(stabilized with MEHQ), 97%(stabilized with MEHQ) | 19685-21-3 2,5,8,11-Tetraoxatetradec-13-ene,97%(stabilized with MEHQ)|CS-0047709|19685-21-3 https://www.jk-sci.com/products/s57c4x-167715 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f14a95770f85a419d750f637abebabe1.jpg?v=1791375683 Levonorgestrel EP Impurity O, 98.90% | 155683-60-6 Levonorgestrel EP Impurity O|C4X-167715|155683-60-6 https://www.jk-sci.com/products/ts246cs-0047974 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6f2fab24b1d636cf508c52fcee3856c.jpg?v=1791339609 tert-Butyl N-[1-(4-bromophenyl)-3-oxocyclobutyl]carbamate, 95% | 1199556-68-7 tert-Butyl N-[1-(4-bromophenyl)-3-oxocyclobutyl]carbamate|CS-0047974|1199556-68-7 https://www.jk-sci.com/products/ts246cs-0047996 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d3cb69f63a8387cffb761a8e0a1bb26.jpg?v=1791339597 tert-Butyl N-[(3S,4R)-4-hydroxypiperidin-3-yl]carbamate, 97% | 1549812-73-8 tert-Butyl N-[(3S,4R)-4-hydroxypiperidin-3-yl]carbamate|CS-0047996|1549812-73-8 https://www.jk-sci.com/products/s57c4x-167939 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db4f68c102c77cc2a52a3748d811267a.jpg?v=1791375582 Lidocaine Impurity 39, 99.20% | 77966-82-6 Lidocaine Impurity 39|C4X-167939|77966-82-6 https://www.jk-sci.com/products/s57c4x-167726 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3fabca3e1b15d452b87cbda53b28578a.jpg?v=1791375654 Levonorgestrel EP Impurity Q, 98.40% | 14507-49-4 Levonorgestrel EP Impurity Q|C4X-167726|14507-49-4 https://www.jk-sci.com/products/ts246cs-0047813 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b1388347398995ce8998ac03e47c2e9.jpg?v=1791339658 trans-3-(Boc-aminomethyl)cyclobutylamine, 97% | 1363380-57-7 trans-3-(Boc-aminomethyl)cyclobutylamine|CS-0047813|1363380-57-7 https://www.jk-sci.com/products/s57c4x-167830 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6b28bbb5a48f87dbbe308a41f03b7836.jpg?v=1791375619 Levothyroxine Impurity 30, 88.30% | 107849-54-7 Levothyroxine Impurity 30|C4X-167830|107849-54-7 https://www.jk-sci.com/products/ts246cs-0048053 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d10a0d88b957ada6238e4912a62a9c.jpg?v=1791339565 tert-Butyl N-(azepan-4-yl)carbamate, 97% | 454451-28-6 tert-Butyl N-(azepan-4-yl)carbamate|CS-0048053|454451-28-6 https://www.jk-sci.com/products/ts246cs-0048096 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bc9485f7ec5a47550813758c8c080ba.jpg?v=1791339549 tert-Butyl exo-6-formyl-3-azabicyclo[3.1.0]hexane-3-carboxylate, 98% | 419572-19-3 tert-Butyl exo-6-formyl-3-azabicyclo[3.1.0]hexane-3-carboxylate|CS-0048096|419572-19-3 https://www.jk-sci.com/products/s57c4x-168312 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/142443ae4c8a0c830cb5caba5da03b10.jpg?v=1791375528 Losartan EP Impurity L, 91.80% | 230971-71-8 Losartan EP Impurity L|C4X-168312|230971-71-8 https://www.jk-sci.com/products/s57c4x-16818 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f388cf3e598e2c02026c4c41d1cbf4b6.jpg?v=1791375538 Lisinopril EP Impurity H, 99.90% | 138247-43-5 Lisinopril EP Impurity H|C4X-16818|138247-43-5 https://www.jk-sci.com/products/s57c4x-168321 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fba2128db6d9c3873a3211afb3ba706e.jpg?v=1791375512 Losartan Impurity 21, Purity: 100.0% | 727718-93-6 Losartan Impurity 21|C4X-168321|727718-93-6 https://www.jk-sci.com/products/s57c4x-16833 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/758d70040843e686219b3a956596b32d.jpg?v=1791375504 Losartan EP Impurity C, 87.50% | 114799-13-2 Losartan EP Impurity C|C4X-16833|114799-13-2 https://www.jk-sci.com/products/s57c4x-16838 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/361291_5e4f03b4-2cc4-4633-977d-cbfabbffaf0b.png?v=1791375493 Losartan EP Impurity H, 98.60% | 133909-99-6 Losartan EP Impurity H|C4X-16838|133909-99-6 https://www.jk-sci.com/products/ts246cs-0048102 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9b14bfa48913fcd0c8e91ccf42b1987.jpg?v=1791339543 tert-Butyl ethyl oxalate, 98% | 50624-94-7 tert-Butyl ethyl oxalate|CS-0048102|50624-94-7 https://www.jk-sci.com/products/s57c4x-16843 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e6de993211a1d316b51a9671d9666c2.jpg?v=1791375487 Lovastatin EP Impurity C, Purity: 99.4% | 109273-98-5 Lovastatin EP Impurity C|C4X-16843|109273-98-5 https://www.jk-sci.com/products/ts246cs-0048151 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70c6d34c7b2fb0fd4fdbcfb500aab0cf.jpg?v=1791339516 tert-Butyl 6-oxo-2-azaspiro[3.4]octane-2-carboxylate, 97% | 1363382-39-1 tert-Butyl 6-oxo-2-azaspiro[3.4]octane-2-carboxylate|CS-0048151|1363382-39-1 https://www.jk-sci.com/products/ts246cs-0048224 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53c6fbb64beed78518abb49c9df9d753.jpg?v=1791339468 tert-Butyl 4-aminopyridine-2-carboxylate, 97% | 868171-68-0 tert-Butyl 4-aminopyridine-2-carboxylate|CS-0048224|868171-68-0 https://www.jk-sci.com/products/s57c4x-16902 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/383111_8ecc45fb-ba25-42a9-8c9f-71646c7838ff.png?v=1791375476 Meloxicam EP Impurity B, Purity: 100.0% | 7305-71-7 Meloxicam EP Impurity B|C4X-16902|7305-71-7 https://www.jk-sci.com/products/s57c4x-16908 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e3d1c7df01c9bbe370b673b5c72a3a6.jpg?v=1791375470 Meloxicam Impurity 8, 97.50% | 125372-22-7 Meloxicam Impurity 8|C4X-16908|125372-22-7 https://www.jk-sci.com/products/ts246cs-0048274 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1ecd4d35ce9c150d802d5325971b7435.jpg?v=1791339437 tert-Butyl 3-oxo-1-oxa-6-azaspiro[3.3]heptane-6-carboxylate, 97% | 1349199-61-6 tert-Butyl 3-oxo-1-oxa-6-azaspiro[3.3]heptane-6-carboxylate|CS-0048274|1349199-61-6 https://www.jk-sci.com/products/ts246cs-0048244 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/413803c91f02b9586832e5c4c4981b31.jpg?v=1791339448 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate, 98% | 1391926-50-3 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate|CS-0048244|1391926-50-3 https://www.jk-sci.com/products/ts246cs-0048231 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/808ca34641ac79d03ce3630f13c1fddd.jpg?v=1791339453 tert-Butyl 4-amino-3,3-difluoropyrrolidine-1-carboxylate, 95% | 1408074-83-8 tert-Butyl 4-amino-3,3-difluoropyrrolidine-1-carboxylate|CS-0048231|1408074-83-8 https://www.jk-sci.com/products/ts246cs-0048310 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235811_60824a51-f235-4be8-a58a-2dba84ba19eb.png?v=1791339411 tert-Butyl 3-carbamoylpyrrolidine-1-carboxylate, 97% | 122684-34-8 tert-Butyl 3-carbamoylpyrrolidine-1-carboxylate|CS-0048310|122684-34-8 https://www.jk-sci.com/products/ts246cs-0048283 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82f3ec6a9db041332d9e99f369b6a8b8.jpg?v=1791339432 tert-Butyl 3-hydroxy-4-methylidenepiperidine-1-carboxylate, 97.00%+ | 159635-22-0 tert-Butyl 3-hydroxy-4-methylidenepiperidine-1-carboxylate|CS-0048283|159635-22-0 https://www.jk-sci.com/products/ts246cs-0048346 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b5914cc2edb91c4ae7d0e98a933a8ed0.jpg?v=1791339391 tert-Butyl 3,5-dioxopiperazine-1-carboxylate, 98% | 501127-89-5 tert-Butyl 3,5-dioxopiperazine-1-carboxylate|CS-0048346|501127-89-5 https://www.jk-sci.com/products/s57c4x-16942 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b20b95cad4a26f969ddc3c5ac665e990.jpg?v=1791375459 Prednisone EP Impurity J, 99.60% | 78261-67-3 Prednisone EP Impurity J|C4X-16942|78261-67-3 https://www.jk-sci.com/products/ts246cs-0048382 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5cfa78308507352b7e393db2b25cdfd.jpg?v=1791339371 tert-Butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate, 97% | 877399-34-3 tert-Butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate|CS-0048382|877399-34-3 https://www.jk-sci.com/products/s57c4x-16960 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2060edbedda87369f75beff354a569ee.jpg?v=1791375454 LCZ-696 Impurity 1, 98.00% | 149709-44-4 LCZ-696 Impurity 1|C4X-16960|149709-44-4 https://www.jk-sci.com/products/s57c4x-169617 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a9866e4acdfd63a597ee70de88fbd28c.jpg?v=1791375443 LCZ-696 Impurity 17(S,S), 99.30% | 1012341-52-4 LCZ-696 Impurity 17(S,S)|C4X-169617|1012341-52-4 https://www.jk-sci.com/products/ts246cs-0045939 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7784818cec10cd0f81e5c772d2270138.jpg?v=1791341143 4,5-Dichloro-2,6-dimethylpyrimidine, 97% | 105742-66-3 4,5-Dichloro-2,6-dimethylpyrimidine|CS-0045939|105742-66-3 https://www.jk-sci.com/products/s57c4x-169622 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2d1d3fdea3297a9758cb7544c7c3bbd3_714e52fc-0639-486c-9302-74857d6229a8.jpg?v=1791375433 LCZ-696 Impurity 22, 98.70% | 149709-59-1 LCZ-696 Impurity 22|C4X-169622|149709-59-1 https://www.jk-sci.com/products/ts246cs-0046646 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b856fff959420f86870e65fcddf5f741.jpg?v=1791340548 3,3-Dimethylpyrrolidin-2-one, 97% | 4831-43-0 3,3-Dimethylpyrrolidin-2-one|CS-0046646|4831-43-0 https://www.jk-sci.com/products/s57c4x-169639 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfb269205caad80bc8bdcb76861ae122_51240e38-ddd4-4b50-9344-f3e66a1657ad.jpg?v=1791375416 LCZ-696 Intermediate 39, 99.50% | 1426129-50-1 LCZ-696 Intermediate 39|C4X-169639|1426129-50-1 https://www.jk-sci.com/products/ts246cs-0046903 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e850a2745d8c4168f98c58dbcd9c68c.jpg?v=1791340108 Methyl 1-methyl-1H-1,2,4-triazole-5-carboxylate, 98% | 57031-65-9 Methyl 1-methyl-1H-1,2,4-triazole-5-carboxylate|CS-0046903|57031-65-9 https://www.jk-sci.com/products/ts246cs-0047051 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/13458f2dc0d96f24acb2e2bc4bbf18e8.jpg?v=1791339979 Methyl 4-amino-2,3-dichlorobenzoate, 98.08%+ | 1807013-25-7 Methyl 4-amino-2,3-dichlorobenzoate|CS-0047051|1807013-25-7 https://www.jk-sci.com/products/ts246cs-0047455 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6700f9289ee8982ef5c0d556eb701c8a.jpg?v=1791339826 9-Benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile, 98% | 189333-46-8 9-Benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile|CS-0047455|189333-46-8 https://www.jk-sci.com/products/s57c4x-169645 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/68b9e5a7cf4435cf0e19d666813e3277_1ebbba90-978b-4e88-b0e8-933c8bd3188c.jpg?v=1791375411 LCZ-696 Impurity 45, 96.50% | 1015037-46-3 LCZ-696 Impurity 45|C4X-169645|1015037-46-3 https://www.jk-sci.com/products/ts246cs-0047297 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b942a4e7e7d7644b512fef7e48af231f.jpg?v=1791339894 5-Chloro-N-methoxy-N-methylpicolinamide, 98% | 342601-76-7 5-Chloro-N-methoxy-N-methylpicolinamide|CS-0047297|342601-76-7 https://www.jk-sci.com/products/ts246cs-0047542 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b75ab82fadd3b7d9fb010465fb5d7799.jpg?v=1791339800 (5-Bromo-2-fluoro-3-methylphenyl)boronic acid, 98% | 957120-61-5 (5-Bromo-2-fluoro-3-methylphenyl)boronic acid|CS-0047542|957120-61-5 https://www.jk-sci.com/products/j5305110 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da646d3f3d40b7e7b2be3726719ac59b.jpg?v=1791417807 4-Benzoyl-L-phenylalanine, Purity by HPLC ≥ 97% | 104504-45-2 4-Benzoyl-L-phenylalanine|05110|104504-45-2 https://www.jk-sci.com/products/ts246cs-0047678 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/593742_f378777c-98c9-47c7-a7b2-730d903b2a33.png?v=1791339732 3-Amino-5-cyclobutyl-1H-pyrazole, 95% | 326827-21-8 3-Amino-5-cyclobutyl-1H-pyrazole|CS-0047678|326827-21-8 https://www.jk-sci.com/products/s57c4x-169680 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340285_7216f2b1-3bd1-4171-a3fa-492f5c3c7aad.png?v=1791375387 LCZ-696 Impurity 80, 98.80% | 128779-47-5 LCZ-696 Impurity 80|C4X-169680|128779-47-5 https://www.jk-sci.com/products/s57c4x-169666 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f7a8e41d22ab2ca23aa0a1710012b098.jpg?v=1791375394 LCZ-696 Impurity 66, Purity: 99.9% | 153037-40-2 LCZ-696 Impurity 66|C4X-169666|153037-40-2 https://www.jk-sci.com/products/s57c4x-169658 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3ae10329c6c6907f60c80cfe7d15dbf_ab375b01-af98-4483-bd53-bede1a5d1393.jpg?v=1791375404 LCZ-696 Impurity 58, 100.00% | 1012341-48-8 LCZ-696 Impurity 58|C4X-169658|1012341-48-8 https://www.jk-sci.com/products/ts246cs-0047992 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3ffb9a4296bbff046f44b7fc04c5059.jpg?v=1791339597 tert-Butyl N-[(3S,5R)-5-(trifluoromethyl)piperidin-3-yl]carbamate, 97% | 1620012-51-2 tert-Butyl N-[(3S,5R)-5-(trifluoromethyl)piperidin-3-yl]carbamate|CS-0047992|1620012-51-2 https://www.jk-sci.com/products/ts246cs-0047881 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7cfe9eb06ea13c3d59c390348bce5114.jpg?v=1791339637 tert-Butyl octahydro-1H-pyrazino[1,2-a]piperazine-2-carboxylate, 98% | 1159825-34-9 tert-Butyl octahydro-1H-pyrazino[1,2-a]piperazine-2-carboxylate|CS-0047881|1159825-34-9 https://www.jk-sci.com/products/s57c4x-169918 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02b2b83987396c6d2b311ae4b8576a4a.jpg?v=1791375358 Minocycline EP Impurity H, 92.60% | 1346598-44-4 Minocycline EP Impurity H|C4X-169918|1346598-44-4 https://www.jk-sci.com/products/s57c4x-16973 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29b726739290dd6e91522f57c7ad8b65.jpg?v=1791375379 Miglitol Impurity A, 91.50% | 1370331-33-1 Miglitol Impurity A|C4X-16973|1370331-33-1 https://www.jk-sci.com/products/ts246cs-0048055 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bc5b86995cb72baa4faac0434d6ffeb.jpg?v=1791339564 tert-Butyl N-(6-oxo-1,6-dihydropyridin-3-yl)carbamate, 98.00%+ | 1394935-52-4 tert-Butyl N-(6-oxo-1,6-dihydropyridin-3-yl)carbamate|CS-0048055|1394935-52-4 https://www.jk-sci.com/products/s57c4x-16987 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5e158d7ad3b0165b81ee0aedb694e52.jpg?v=1791375370 Milbemycin A4 Oxime, 99.00% | 93074-04-5 Milbemycin A4 Oxime|C4X-16987|93074-04-5 https://www.jk-sci.com/products/ts246cs-0048121 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/680467a6b706ff8e3beae10a78c4671f.jpg?v=1791339537 3-Boc-3-azaspiro[5.5]undecane-9-carbaldehyde, 95.00%+ | 1416176-14-1 3-Boc-3-azaspiro[5.5]undecane-9-carbaldehyde|CS-0048121|1416176-14-1 https://www.jk-sci.com/products/ts246cs-0048225 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/31734c32dd9c2b668154a694cdb88a0f.jpg?v=1791339467 tert-Butyl 4-amino-5-bromopyridine-2-carboxylate, 96% | 868171-70-4 tert-Butyl 4-amino-5-bromopyridine-2-carboxylate|CS-0048225|868171-70-4 https://www.jk-sci.com/products/s57c4x-169936 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_2b4746fb-b976-469f-9a1a-5b5adb1e7ad5.png?v=1791375348 (5aR)-7-Desdimethylamino-7-((2-(dimethylamino)ethyl)(methyl))amino)-Minocycline, 90.10% (5aR)-7-Desdimethylamino-7-((2-(dimethylamino)ethyl)(methyl))amino)-Minocycline|C4X-169936 https://www.jk-sci.com/products/ts246cs-0048254 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf9a343552256e916e4091e245617ce7.jpg?v=1791339442 tert-Butyl 4-(aminomethyl)-4-hydroxypiperidine-1-carboxylate, 97% | 392331-66-7 tert-Butyl 4-(aminomethyl)-4-hydroxypiperidine-1-carboxylate|CS-0048254|392331-66-7 https://www.jk-sci.com/products/j5305198 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/85a8feef7c042af6d59bcc24352a7057.jpg?v=1791417709 Boc-Leu-Leu-OMe, Purity by HPLC ≥ 99% | 15136-12-6 Boc-Leu-Leu-OMe|05198|15136-12-6 https://www.jk-sci.com/products/ts246cs-0048285 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8db5d1f19d4366eb4692b35cf34cffdd.jpg?v=1791339430 tert-Butyl 3-hydroxy-3-methylpyrrolidine-1-carboxylate, 95% | 412278-02-5 tert-Butyl 3-hydroxy-3-methylpyrrolidine-1-carboxylate|CS-0048285|412278-02-5 https://www.jk-sci.com/products/ts246cs-0048376 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7581f93d0cd618a14250f722d1311bea.jpg?v=1791339375 tert-Butyl 3-(aminomethyl)-3-hydroxypyrrolidine-1-carboxylate, 97% | 114214-73-2 tert-Butyl 3-(aminomethyl)-3-hydroxypyrrolidine-1-carboxylate|CS-0048376|114214-73-2 https://www.jk-sci.com/products/ts246cs-0048501 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b3ff3fa0c508080e0fc437dfbbc90d6.jpg?v=1791339307 tert-Butyl (trans-4-hydroxymethylcyclohexylmethyl)carbamate, 97% | 172348-63-9 tert-Butyl (trans-4-hydroxymethylcyclohexylmethyl)carbamate|CS-0048501|172348-63-9 https://www.jk-sci.com/products/ts246cs-0048525 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6b4fa29da41c5fbd0c78c2526707452.jpg?v=1791339300 tert-Butyl (3S,5S)-3,5-dimethylpiperazine-1-carboxylate, 96% | 888327-50-2 tert-Butyl (3S,5S)-3,5-dimethylpiperazine-1-carboxylate|CS-0048525|888327-50-2 https://www.jk-sci.com/products/s57c4x-17001 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/342533_e1810ef4-9178-4765-922f-1298a387c4b1.png?v=1791375340 Minoxidil EP Impurity A, 97.50% | 35139-67-4 Minoxidil EP Impurity A|C4X-17001|35139-67-4 https://www.jk-sci.com/products/s57c4x-17003 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b6a6ba32ee77739bd512114e44ddd13.jpg?v=1791375330 Minoxidil EP Impurity C, 99.30% | 1798387-81-1 Minoxidil EP Impurity C|C4X-17003|1798387-81-1 https://www.jk-sci.com/products/ts246cs-0048560 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cef8a8b91618622a64dcdc6c1ef2e40.jpg?v=1791339284 tert-Butyl (3R,4S)-3-fluoro-4-hydroxypiperidine-1-carboxylate, 97% | 1174020-42-8 tert-Butyl (3R,4S)-3-fluoro-4-hydroxypiperidine-1-carboxylate|CS-0048560|1174020-42-8 https://www.jk-sci.com/products/s57c4x-17005 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/273119_5ab7ff10-8ec8-4f45-b074-b057e57a5411.png?v=1791375324 Minoxidil EP Impurity E, 97.50% | 24867-26-3 Minoxidil EP Impurity E|C4X-17005|24867-26-3 https://www.jk-sci.com/products/ts246cs-0046236 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1da088a6e80034e96a1c642ab614992a.jpg?v=1791341022 3,4-Difluoro-2-formylphenylboronic acid, 99.83%+ | 1451392-91-8 3,4-Difluoro-2-formylphenylboronic acid|CS-0046236|1451392-91-8 https://www.jk-sci.com/products/s57c4x-17041 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435472_01696dd5-0f33-45ee-8e7b-80fc24600852.png?v=1791375314 Mometasone Furoate EP Impurity A, 97.20% | 83880-65-3 Mometasone Furoate EP Impurity A|C4X-17041|83880-65-3 https://www.jk-sci.com/products/ts246cs-0047356 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d21738694150a8b30e98e23774bbd494.jpg?v=1791339871 N1-Benzyl-N2-(5-methyl-[1,1'-biphenyl]-2-yl)oxalamide, 97% | 1909333-82-9 N1-Benzyl-N2-(5-methyl-[1,1'-biphenyl]-2-yl)oxalamide|CS-0047356|1909333-82-9 https://www.jk-sci.com/products/ts246cs-0047927 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/439d5ebeec101c35c79edf58d7f087fc.jpg?v=1791339625 (R)-tert-Butyl ((4,4-difluoropyrrolidin-2-yl)methyl)carbamate, 98% | 1407991-26-7 (R)-tert-Butyl ((4,4-difluoropyrrolidin-2-yl)methyl)carbamate|CS-0047927|1407991-26-7 https://www.jk-sci.com/products/ts246cs-0047594 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/406fc3ed5796c623072ff8b90f8c2000.jpg?v=1791339769 1-Benzylazepan-2-one, 98% | 33241-96-2 1-Benzylazepan-2-one|CS-0047594|33241-96-2 https://www.jk-sci.com/products/ts246cs-0046984 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/426214.png?v=1791340022 4,8-Dimethoxy-1-naphthaldehyde, 98% | 69833-11-0 4,8-Dimethoxy-1-naphthaldehyde|CS-0046984|69833-11-0 https://www.jk-sci.com/products/ts246cs-0047219 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77dc807115887799eca3afee0571ae5c.jpg?v=1791339914 2-Amino-5-chloro-3-fluorobenzoic acid, 99.19%+ | 1028757-83-6 2-Amino-5-chloro-3-fluorobenzoic acid|CS-0047219|1028757-83-6 https://www.jk-sci.com/products/ts246cs-0048100 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/32015ac847be382de4d7093689f6d9a5.jpg?v=1791339546 tert-Butyl (1R,3s,5S)-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate, 97% | 194222-05-4 tert-Butyl (1R,3s,5S)-3-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate|CS-0048100|194222-05-4 https://www.jk-sci.com/products/ts246cs-0048243 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dce2b9385b9bd1a9e2d7349e7faafc75.jpg?v=1791339449 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-isoindole-2-carboxylate, 95% | 1035235-28-9 tert-Butyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-isoindole-2-carboxylate|CS-0048243|1035235-28-9 https://www.jk-sci.com/products/ts246cs-0048446 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ee5ee65248b617a358ad507a1bb9357.jpg?v=1791339335 tert-Butyl 2,5-diazaspiro[3.5]nonane-5-carboxylate oxalate(2:1), 97% | 1523571-07-4 tert-Butyl 2,5-diazaspiro[3.5]nonane-5-carboxylate oxalate(2:1)|CS-0048446|1523571-07-4 https://www.jk-sci.com/products/ts246cs-0048329 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa4594305012837dec995c3b5cc31c3f.jpg?v=1791339395 tert-Butyl 3-amino-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-5-carboxylate, 98% | 398491-64-0 tert-Butyl 3-amino-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-5-carboxylate|CS-0048329|398491-64-0 https://www.jk-sci.com/products/ts246cs-0048557 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f4cf41db7d531aecbf57bfa6e862826.jpg?v=1791339284 tert-Butyl (3R,4S)-4-amino-3-fluoropiperidine-1-carboxylate, 98% | 907544-17-6 tert-Butyl (3R,4S)-4-amino-3-fluoropiperidine-1-carboxylate|CS-0048557|907544-17-6 https://www.jk-sci.com/products/s57c4x-170417 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/437584_9a3c1f51-bbae-4688-89ae-27e820a03db6.png?v=1791375300 Mometasone Furoate EP Impurity Q, 96.80% | 83881-08-7 Mometasone Furoate EP Impurity Q|C4X-170417|83881-08-7 https://www.jk-sci.com/products/ts246cs-0048647 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a538b1ed7afa764a2cc63d4a56b181da.jpg?v=1791339231 tert-Butyl (2R)-2-acetylpyrrolidine-1-carboxylate, 95% | 675185-27-0 tert-Butyl (2R)-2-acetylpyrrolidine-1-carboxylate|CS-0048647|675185-27-0 https://www.jk-sci.com/products/s57c4x-170413 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d0b3afef99795ff7bbfd4c1f03867e66.jpg?v=1791375305 Mometasone Furoate EP Impurity K, 99.40% | 4647-20-5 Mometasone Furoate EP Impurity K|C4X-170413|4647-20-5 https://www.jk-sci.com/products/s57c4x-17047 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2fec410b0e0bccbfc9c3101bc638225.jpg?v=1791375273 Mometasone Furoate EP Impurity D, 93.20% | 83881-09-8 Mometasone Furoate EP Impurity D|C4X-17047|83881-09-8 https://www.jk-sci.com/products/s57c4x-170440 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_93954d07-3895-4942-af71-b16ee1c4558d.png?v=1791375280 Mometasone Furoate Impurity 40, 96.70% Mometasone Furoate Impurity 40|C4X-170440 https://www.jk-sci.com/products/s57c4x-170421 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06d47c485b1ef1278b43e597765a18c0.jpg?v=1791375287 Mometasone Furoate EP Impurity R, 96.40% | 1370190-08-1 Mometasone Furoate EP Impurity R|C4X-170421|1370190-08-1 https://www.jk-sci.com/products/ts246cs-0048691 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/decbd83d32c077b7c3ff82dc6bf86bee.jpg?v=1791339216 Spiro[3.3]heptan-2-amine hydrochloride, 97.00%+ | 1416439-08-1 Spiro[3.3]heptan-2-amine hydrochloride|CS-0048691|1416439-08-1 https://www.jk-sci.com/products/s57c4x-170610 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5ee6c509e7e3e5e68a4065baab3c2a8.jpg?v=1791375265 Mupirocin EP Impurity E, 94.10% | 71087-96-2 Mupirocin EP Impurity E|C4X-170610|71087-96-2 https://www.jk-sci.com/products/ts246cs-0048757 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f332c340eb816441c585a4534733ed6c.jpg?v=1791339177 (2S,5S)-2,5-Dimethylpiperazine dihydrobromide, 97% | 98778-71-3 (2S,5S)-2,5-Dimethylpiperazine dihydrobromide|CS-0048757|98778-71-3 https://www.jk-sci.com/products/ts246cs-0048808 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bb9d6eb49c237890fce1baef7d00962.jpg?v=1791339152 N-Methyl-1H-indazol-4-amine, 98% | 1263378-21-7 N-Methyl-1H-indazol-4-amine|CS-0048808|1263378-21-7 https://www.jk-sci.com/products/ts246cs-0048714 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b51e017c4af7b1b1beba1cdbf71927b7.jpg?v=1791339200 rel-Methyl (1R,3S)-3-(hydroxymethyl)cyclopentane-1-carboxylate, 97% | 58240-93-0 rel-Methyl (1R,3S)-3-(hydroxymethyl)cyclopentane-1-carboxylate|CS-0048714|58240-93-0 https://www.jk-sci.com/products/ts246cs-0048776 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/943759c62c7894ce7a8d40be15687ceb.jpg?v=1791339162 Octahydropyrrolo[1,2-a]piperazin-6-one hydrochloride, 97% | 1187385-53-0 Octahydropyrrolo[1,2-a]piperazin-6-one hydrochloride|CS-0048776|1187385-53-0 https://www.jk-sci.com/products/ts246cs-0048984 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55d7a28d74ec1ccfb3d8a08c9256bfc8.jpg?v=1791339080 Methyl 5-chloroimidazo[1,5-a]pyridine-6-carboxylate, 98.00%+ | 1168090-92-3 Methyl 5-chloroimidazo[1,5-a]pyridine-6-carboxylate|CS-0048984|1168090-92-3 https://www.jk-sci.com/products/s57c4x-17063 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/89f3cc62e95f966ea7085f1357eb05c1.jpg?v=1791375260 Mupirocin EP Impurity C Sodium Salt, 96.70% | 85178-60-5 Mupirocin EP Impurity C Sodium Salt|C4X-17063|85178-60-5 https://www.jk-sci.com/products/ts246cs-0049002 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7a18ad96fdb6e41d1d2aa724d39608d.jpg?v=1791339070 Methyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate, 98% | 916325-84-3 Methyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate|CS-0049002|916325-84-3 https://www.jk-sci.com/products/ts246cs-0049100 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b483576710ca7c5ad005c3d38793bd7.jpg?v=1791339002 Methyl 3-cyclobutyl-3-oxopropanoate, 96% | 137638-05-2 Methyl 3-cyclobutyl-3-oxopropanoate|CS-0049100|137638-05-2 https://www.jk-sci.com/products/s57c4x-170818 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54b0b95702ae40b8e0fa9d9678769a8b.jpg?v=1791375243 Naproxen Impurity 18, 98.70% | 2601735-81-1 Naproxen Impurity 18|C4X-170818|2601735-81-1 https://www.jk-sci.com/products/ts246cs-0049054 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/307b10e25db95e432f7db00bd93950f3.jpg?v=1791339038 Methyl 4-aminooxane-4-carboxylate, 98% | 184698-41-7 Methyl 4-aminooxane-4-carboxylate|CS-0049054|184698-41-7 https://www.jk-sci.com/products/s57c4x-170812 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/275122_c9c66fbe-3d08-4b0c-9524-e00e5596bcc8.png?v=1791375251 Naproxen EP Impurity L, 99.80% | 3900-45-6 Naproxen EP Impurity L|C4X-170812|3900-45-6 https://www.jk-sci.com/products/s57c4x-170824 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8dca11ecb1b9cac6632aa6b6a96f5b15.jpg?v=1791375236 Naproxen EP Impurity A, 99.20% | 52079-10-4 Naproxen EP Impurity A|C4X-170824|52079-10-4 https://www.jk-sci.com/products/s57c4x-170828 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1d5970d3d84bd3790a69dbff30148492.jpg?v=1791375233 Naproxen Impurity 28, 100.00% | 26159-35-3 Naproxen Impurity 28|C4X-170828|26159-35-3 https://www.jk-sci.com/products/s57c4x-170830 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d31f2a3d757998ff6a5e3ddd26f5b826.jpg?v=1791375228 Naproxen EP Impurity F, Purity: 99.9% | 31220-35-6 Naproxen EP Impurity F|C4X-170830|31220-35-6 https://www.jk-sci.com/products/s57c4x-170832 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6747c656ef4dd9122aa3de0030ed752.jpg?v=1791375222 Naproxen Impurity 32, Purity: 99.6% | 5672-94-6 Naproxen Impurity 32|C4X-170832|5672-94-6 https://www.jk-sci.com/products/ts246cs-0049109 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1bfb4dc780bfdd76e67874ec05f93f87.jpg?v=1791338994 Methyl 3-bromo-6-chloropyrazine-2-carboxylate, 95% | 13457-28-8 Methyl 3-bromo-6-chloropyrazine-2-carboxylate|CS-0049109|13457-28-8 https://www.jk-sci.com/products/ts246cs-0049158 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bccc4d034db1402353b037497010bf4.jpg?v=1791338968 Methyl 2-methyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)benzoate, 97% | 525362-07-6 Methyl 2-methyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)benzoate|CS-0049158|525362-07-6 https://www.jk-sci.com/products/ts246cs-0049115 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3b4d8f096c4ed220149910bb95911cc4.jpg?v=1791338988 Methyl 3-bromo-1H-pyrrolo[2,3-b]pyridine-4-carboxylate, 97% | 1190310-82-7 Methyl 3-bromo-1H-pyrrolo[2,3-b]pyridine-4-carboxylate|CS-0049115|1190310-82-7 https://www.jk-sci.com/products/s57c4x-17088 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/487139.png?v=1791375218 Naproxen EP Impurity G (R-Naproxen), 97.20% | 23979-41-1 Naproxen EP Impurity G (R-Naproxen)|C4X-17088|23979-41-1 https://www.jk-sci.com/products/ts246cs-0049165 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d39894821736827d07274b90d10e7a27.jpg?v=1791338957 Methyl 2-chloroquinoline-3-carboxylate, 98% | 16498-85-4 Methyl 2-chloroquinoline-3-carboxylate|CS-0049165|16498-85-4 https://www.jk-sci.com/products/ts246cs-0049185 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9082578733bb324dde4255c26211261.jpg?v=1791338935 Methyl 2-[2-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetate, 97% | 956229-86-0 Methyl 2-[2-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetate|CS-0049185|956229-86-0 https://www.jk-sci.com/products/ts246cs-0049223 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5febe1ee648db7d9d6e07cbb1f3c85f6.jpg?v=1791338915 Methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate, 97% | 400877-57-8 Methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate|CS-0049223|400877-57-8 https://www.jk-sci.com/products/ts246cs-0049237 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a17cb6a320c81eb32719bf52f014e621.jpg?v=1791338905 Methyl 1H-pyrazolo[4,3-c]pyridine-6-carboxylate, 95% | 1206979-63-6 Methyl 1H-pyrazolo[4,3-c]pyridine-6-carboxylate|CS-0049237|1206979-63-6 https://www.jk-sci.com/products/s57c4x-171036 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1dc3cf385616efafab8602c16035769.jpg?v=1791375210 Nicardipine Impurity 36, 98.50% | 115972-93-5 Nicardipine Impurity 36|C4X-171036|115972-93-5 https://www.jk-sci.com/products/ts246cs-0049247 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/105545af58468fd4442f58aeb19e6149.jpg?v=1791338900 Methyl 1H-pyrazolo[3,4-b]pyridine-5-carboxylate, 95% | 1196156-42-9 Methyl 1H-pyrazolo[3,4-b]pyridine-5-carboxylate|CS-0049247|1196156-42-9 https://www.jk-sci.com/products/ts246cs-0049284 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288864.png?v=1791338889 Methyl (2S,4S)-4-fluoropyrrolidine-2-carboxylate hydrochloride, 97% | 58281-79-1 Methyl (2S,4S)-4-fluoropyrrolidine-2-carboxylate hydrochloride|CS-0049284|58281-79-1 https://www.jk-sci.com/products/s57c4x-171014 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_5bc82191-ea79-4174-b323-d918012bffb5.png?v=1791375214 Nicardipine Impurity 14, 92.90% Nicardipine Impurity 14|C4X-171014 https://www.jk-sci.com/products/ts246cs-0049313 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47177af78a20719de6d973e8fb1bae10.jpg?v=1791338879 (R)-3-Oxo-cyclopentanecarboxylic acid methyl ester, 95% | 132076-27-8 (R)-3-Oxo-cyclopentanecarboxylic acid methyl ester|CS-0049313|132076-27-8 https://www.jk-sci.com/products/ts246cs-0047529 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa9747d648223a6527f5f7f3aac4cff0.jpg?v=1791339812 3H-Spiro[isobenzofuran-1,4'-piperidin]-3-one, 95.00%+ | 37663-46-0 3H-Spiro[isobenzofuran-1,4'-piperidin]-3-one|CS-0047529|37663-46-0 https://www.jk-sci.com/products/ts246cs-0048034 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c1148461ed85966b2cc73ca13c53e1e.jpg?v=1791339575 tert-Butyl N-[(1S)-3-oxocyclopentyl]carbamate, 97% | 167298-40-0 tert-Butyl N-[(1S)-3-oxocyclopentyl]carbamate|CS-0048034|167298-40-0 https://www.jk-sci.com/products/s57c4x-17107 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df4e63d6f9903fefe14d9b74b3b62169.jpg?v=1791375208 Nicardipine Cyclohexenone Impurity, 99.60% | 87625-92-1 Nicardipine Cyclohexenone Impurity|C4X-17107|87625-92-1 https://www.jk-sci.com/products/ts246cs-0048505 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f1560df3b1e870d608e32a5f3f14d9e8.jpg?v=1791339306 tert-Butyl (7S)-7-amino-5-azaspiro[2.4]heptane-5-carboxylate, 97% | 1638744-35-0 tert-Butyl (7S)-7-amino-5-azaspiro[2.4]heptane-5-carboxylate|CS-0048505|1638744-35-0 https://www.jk-sci.com/products/ts246cs-0048649 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9179b1cf5d04e2b28f814b7601022fb1.jpg?v=1791339230 tert-Butyl (2R)-2-(bromomethyl)pyrrolidine-1-carboxylate, 97.00%+ | 1039826-29-3 tert-Butyl (2R)-2-(bromomethyl)pyrrolidine-1-carboxylate|CS-0048649|1039826-29-3 https://www.jk-sci.com/products/ts246cs-0048280 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/21818988fde160425746dcdac6ff7502.jpg?v=1791339434 tert-Butyl 3-iodo-1H-pyrrolo[2,3-c]pyridine-1-carboxylate, 98% | 1174038-59-5 tert-Butyl 3-iodo-1H-pyrrolo[2,3-c]pyridine-1-carboxylate|CS-0048280|1174038-59-5 https://www.jk-sci.com/products/ts246cs-0048782 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331672_852f9fdd-ad80-4a8e-85d2-8ca08a9f7f36.png?v=1791339161 Diphenylamine hydrochloride, 98% | 537-67-7 Diphenylamine hydrochloride|CS-0048782|537-67-7 https://www.jk-sci.com/products/ts246cs-0048717 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c402686fba7aa3950b600d45afdde5cd.jpg?v=1791339195 Quinazoline-7-carboxylic acid, 97.00%+ | 1234616-41-1 Quinazoline-7-carboxylic acid|CS-0048717|1234616-41-1 https://www.jk-sci.com/products/ts246cs-0048992 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b255c94e84147e2a2b6ea830d076394.jpg?v=1791339070 Methyl 5-bromo-6-methyl-1H-indole-3-carboxylate, 97% | 1360957-60-3 Methyl 5-bromo-6-methyl-1H-indole-3-carboxylate|CS-0048992|1360957-60-3 https://www.jk-sci.com/products/ts246cs-0049243 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c483eaf95e28565e276ccf08c706729.jpg?v=1791338904 Methyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate, 97% | 1033772-26-7 Methyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate|CS-0049243|1033772-26-7 https://www.jk-sci.com/products/s57c4x-17131 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/368955_dbac7597-771a-4aa5-aec0-a3e1f4ea33b7.png?v=1791375204 Norethisterone Acetate, 99.70% | 51-98-9 Norethisterone Acetate|C4X-17131|51-98-9 https://www.jk-sci.com/products/ts246cs-0049160 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3ee0bcebce64eaa02fc233560b2e7225.jpg?v=1791338967 Methyl 2-methyl-2H-indazole-7-carboxylate, 99.29%+ | 1092351-88-6 Methyl 2-methyl-2H-indazole-7-carboxylate|CS-0049160|1092351-88-6 https://www.jk-sci.com/products/s57c4x-171712 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_296a075b-09c8-4d7e-87fb-de238d44e06f.png?v=1791375198 N-Nitroso N-Desmethyl Ofloxacin, 98.60% N-Nitroso N-Desmethyl Ofloxacin|C4X-171712 https://www.jk-sci.com/products/ts246cs-0049066 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/77ba0e40b055abbc445fe51f6e8e4765.jpg?v=1791339031 Methyl 4-(hydroxymethyl)bicyclo[2.2.1]heptane-1-carboxylate, 98% | 1350821-95-2 Methyl 4-(hydroxymethyl)bicyclo[2.2.1]heptane-1-carboxylate|CS-0049066|1350821-95-2 https://www.jk-sci.com/products/s57c4x-17181 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b46fb22695ce280bb59aad7566e86959.jpg?v=1791375191 Olopatadine Impurity 1, 86.30% | 1331668-21-3 Olopatadine Impurity 1|C4X-17181|1331668-21-3 https://www.jk-sci.com/products/ts246cs-0049113 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12ef022a496ac8b6e3d262566fb53281.jpg?v=1791338993 Methyl 3-bromo-1-methyl-1H-indazole-6-carboxylate, 98% | 192945-57-6 Methyl 3-bromo-1-methyl-1H-indazole-6-carboxylate|CS-0049113|192945-57-6 https://www.jk-sci.com/products/ts246cs-0049191 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6004b75beb5ef9cd62cd2afbfcf97f0.jpg?v=1791338931 Methyl 2,3-dioxo-2,3-dihydro-1H-indole-6-carboxylate, 97% | 213670-35-0 Methyl 2,3-dioxo-2,3-dihydro-1H-indole-6-carboxylate|CS-0049191|213670-35-0 https://www.jk-sci.com/products/s57c4x-17173 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/976428219163af91d0d79ec978796b16.jpg?v=1791375197 Ofloxacin EP Impurity C, 95.50% | 95848-94-5 Ofloxacin EP Impurity C|C4X-17173|95848-94-5 https://www.jk-sci.com/products/s57c4x-17182 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/99e5d4beedb551d31368dc22cbf59555.jpg?v=1791375187 Olopatadine USP RC B, 96.70% | 173174-07-7 Olopatadine USP RC B|C4X-17182|173174-07-7 https://www.jk-sci.com/products/ts246cs-0049486 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/043599d792660c44f926665284293f3d.jpg?v=1791338816 Ethyl 3-chloro-1H-pyrazole-5-carboxylate, 97% | 1378271-66-9 Ethyl 3-chloro-1H-pyrazole-5-carboxylate|CS-0049486|1378271-66-9 https://www.jk-sci.com/products/ts246cs-0049400 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9d0e755a3a399dd8f386bc724e710a5d.jpg?v=1791338848 Ethyl bicyclo[3.1.0]hexane-3-carboxylate, 97% | 1509328-66-8 Ethyl bicyclo[3.1.0]hexane-3-carboxylate|CS-0049400|1509328-66-8 https://www.jk-sci.com/products/ts246cs-0049288 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5f6507b4f28fc7f6d2fc610e7b608fe.jpg?v=1791338884 Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate, 97% | 134167-07-0 Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate|CS-0049288|134167-07-0 https://www.jk-sci.com/products/ts246cs-0049492 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a0deb823b332f1d83874f796d05eb0b.jpg?v=1791338812 Ethyl 3-bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylate, 98% | 889658-85-9 Ethyl 3-bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylate|CS-0049492|889658-85-9 https://www.jk-sci.com/products/ts246cs-0049506 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e11b22e1ae808cc5c7af2714edd4bfaf.jpg?v=1791338796 Ethyl 2-cyanocyclopropane-1-carboxylate, 95% | 56447-11-1 Ethyl 2-cyanocyclopropane-1-carboxylate|CS-0049506|56447-11-1 https://www.jk-sci.com/products/s57c4x-171821 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c9610948-0ba9-4965-b43e-072895266e5d.png?v=1791375183 Olopatadine Impurity 21, 98.10% Olopatadine Impurity 21|C4X-171821 https://www.jk-sci.com/products/ts246cs-0049521 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/155499.png?v=1791338790 Ethyl 2,2,2-trichloroacetate, 97% | 515-84-4 Ethyl 2,2,2-trichloroacetate|CS-0049521|515-84-4 https://www.jk-sci.com/products/s57c4x-171823 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0477bd9c1681d6f5ba0bdd5b946716a7.jpg?v=1791375179 Olopatadine Impurity 23, 97.40% | 4174-83-8 Olopatadine Impurity 23|C4X-171823|4174-83-8 https://www.jk-sci.com/products/ts246cs-0049538 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ebce2113f81429f0839d389c423fce73.jpg?v=1791338780 Ethyl 2-(3-cyanooxetan-3-yl)acetate, 98% | 1050611-00-1 Ethyl 2-(3-cyanooxetan-3-yl)acetate|CS-0049538|1050611-00-1 https://www.jk-sci.com/products/ts246cs-0049550 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/622145.png?v=1791338769 Ethyl 1-hydroxycyclopropane-1-carboxylate, 97% | 137682-89-4 Ethyl 1-hydroxycyclopropane-1-carboxylate|CS-0049550|137682-89-4 https://www.jk-sci.com/products/ts246cs-0049555 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453202.png?v=1791338769 Ethyl 1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylate, 97% | 5932-31-0 Ethyl 1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylate|CS-0049555|5932-31-0 https://www.jk-sci.com/products/ts246cs-0049610 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d2872b22b037a3b2c1c281d1156f4af.jpg?v=1791338737 Dimethyl({3-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propyl})amine, 97% | 847818-72-8 Dimethyl({3-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propyl})amine|CS-0049610|847818-72-8 https://www.jk-sci.com/products/ts246cs-0049662 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e5ad883ec3db0e764eee4b2f5104e14.jpg?v=1791338715 cis-ethyl (1R,2S)-2-cyanocyclopropane-1-carboxylate, 95% | 699-23-0 cis-ethyl (1R,2S)-2-cyanocyclopropane-1-carboxylate|CS-0049662|699-23-0 https://www.jk-sci.com/products/ts246cs-0049669 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ea151445c6aec32a6bb38fda18f93f3d.jpg?v=1791338715 cis-5-Amino-2-Boc-hexahydro-cyclopenta[c]pyrrole, 98% | 863600-81-1 cis-5-Amino-2-Boc-hexahydro-cyclopenta[c]pyrrole|CS-0049669|863600-81-1 https://www.jk-sci.com/products/s57c4x-171829 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378715_866af6a9-6877-4549-b99e-b861cedfda9f.png?v=1791375175 Olopatadine Impurity 29, 99.90% | 156-38-7 Olopatadine Impurity 29|C4X-171829|156-38-7 https://www.jk-sci.com/products/ts246cs-0049713 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/40cf4f8d3c41e2e48c90d88095e626ee.jpg?v=1791338691 cis-3-Aminocyclohexanecarboxylic acid hydrochloride, 98% | 118785-96-9 cis-3-Aminocyclohexanecarboxylic acid hydrochloride|CS-0049713|118785-96-9 https://www.jk-sci.com/products/ts246cs-0049695 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113184.png?v=1791338704 rel-(1R,3S)-Cyclopent-4-ene-1,3-diyl diacetate, 96% | 54664-61-8 rel-(1R,3S)-Cyclopent-4-ene-1,3-diyl diacetate|CS-0049695|54664-61-8 https://www.jk-sci.com/products/ts246cs-0049749 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8136476e5d6bb3f52edc4fa7e3f5ba37.jpg?v=1791338681 cis-1-Methylcyclohexane-1,4-diol, 98% | 124899-25-8 cis-1-Methylcyclohexane-1,4-diol|CS-0049749|124899-25-8 https://www.jk-sci.com/products/ts246cs-0049763 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09058c0cff41708429d14c707a402cdd.jpg?v=1791338674 tert-Butyl ((3S,4R)-4-fluoropyrrolidin-3-yl)carbamate, 98% | 1033718-89-6 tert-Butyl ((3S,4R)-4-fluoropyrrolidin-3-yl)carbamate|CS-0049763|1033718-89-6 https://www.jk-sci.com/products/ts246cs-0049789 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3e9c88e6288b813b0392819dad38c21.jpg?v=1791338664 Bicyclo[1.1.1]pentane-1-acetic acid, 97% | 131515-31-6 Bicyclo[1.1.1]pentane-1-acetic acid|CS-0049789|131515-31-6 https://www.jk-sci.com/products/ts246cs-0049893 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449ff3cfc22ebc680af75a12392421da.jpg?v=1791338633 Benzyl (3R)-3-(hydroxymethyl)piperazine-1-carboxylate, 95% | 930837-03-9 Benzyl (3R)-3-(hydroxymethyl)piperazine-1-carboxylate|CS-0049893|930837-03-9 https://www.jk-sci.com/products/s57c4x-171830 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/070db73e70e9617543e853ebc873e96b.jpg?v=1791375172 Olopatadine Impurity 30, 98.00% | 728-97-2 Olopatadine Impurity 30|C4X-171830|728-97-2 https://www.jk-sci.com/products/ts246cs-0049907 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0e99047e671b7c3a83afddc64872746d.jpg?v=1791338623 4-(Hydroxymethyl)-3-methoxybenzoic acid, 95% | 955117-56-3 4-(Hydroxymethyl)-3-methoxybenzoic acid|CS-0049907|955117-56-3 https://www.jk-sci.com/products/j5305323 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65fb6fa35bf4a66cae92b4b968a6fbaf.jpg?v=1791417622 Fmoc-O-benzyl-D-tyrosine, Purity by HPLC ≥ 99% | 138775-48-1 Fmoc-O-benzyl-D-tyrosine|05323|138775-48-1 https://www.jk-sci.com/products/ts246cs-0050016 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/473788.png?v=1791338584 7-Iodo-3,4-dihydroquinazolin-4-one, 96.62%+ | 202197-77-1 7-Iodo-3,4-dihydroquinazolin-4-one|CS-0050016|202197-77-1 https://www.jk-sci.com/products/s57c4x-17184 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0e6a0176-b021-4305-b0ca-a590d8e1df7f.png?v=1791375163 Olopatadine Impurity 4, 94.00% Olopatadine Impurity 4|C4X-17184 https://www.jk-sci.com/products/s57c4x-171849 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9a0af5c1-111b-4388-a685-86bb27c76f56.png?v=1791375159 Olopatadine Impurity 49, 91.60% Olopatadine Impurity 49|C4X-171849 https://www.jk-sci.com/products/ts246cs-0049961 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ce0e4808328ca362a947b3615d6ac7b.jpg?v=1791338606 8-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine, 98% | 54230-90-9 8-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine|CS-0049961|54230-90-9 https://www.jk-sci.com/products/ts246cs-0050024 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2228decc99814204ddc8ce893166e734.jpg?v=1791338574 7-Fluoroimidazo[1,2-a]pyridine-2-carboxylic acid, 98% | 886363-98-0 7-Fluoroimidazo[1,2-a]pyridine-2-carboxylic acid|CS-0050024|886363-98-0 https://www.jk-sci.com/products/ts246cs-0050034 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eaa2a34ea889dcfc5df2c3bb5a9e3a75.jpg?v=1791338569 7-Chlorothieno[3,2-b]pyridine-6-carboxylic acid, 98% | 90690-94-1 7-Chlorothieno[3,2-b]pyridine-6-carboxylic acid|CS-0050034|90690-94-1 https://www.jk-sci.com/products/s57c4x-17187 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9cc4f922cf655e265f8a37df318b72b9.jpg?v=1791375155 Olopatadine Impurity 7, 90.80% | 949141-22-4 Olopatadine Impurity 7|C4X-17187|949141-22-4 https://www.jk-sci.com/products/s57c4x-171834 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6af5c261-2063-4b49-a5a2-1c087e6d70a2.png?v=1791375166 Olopatadine Impurity 34 HCl, 96.00% Olopatadine Impurity 34 HCl|C4X-171834 https://www.jk-sci.com/products/ts246cs-0050074 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/311424.png?v=1791338554 7-Bromo-4-methoxy-1H-indole, 97% | 81224-16-0 7-Bromo-4-methoxy-1H-indole|CS-0050074|81224-16-0 https://www.jk-sci.com/products/j5305393 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58d204c5cf1729c36214f9bb5e8aa3a1.jpg?v=1791417549 Z-1-aminocyclopropane-1-carboxylic acid, Purity by HPLC ≥ 99% | 84677-06-5 Z-1-aminocyclopropane-1-carboxylic acid|05393|84677-06-5 https://www.jk-sci.com/products/s57c4x-1720100 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_66898fdf-ac76-46d9-af23-28f14b6a9bb6.png?v=1791375151 Oseltamivir Impurity 100, 96.70% Oseltamivir Impurity 100|C4X-1720100 https://www.jk-sci.com/products/ts246cs-0046816 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c29b81c8d24ac616b68af72577d57f19.jpg?v=1791340146 2,2,4-Trimethyl-1,2-dihydroquinoline, 96.61%+ | 147-47-7 2,2,4-Trimethyl-1,2-dihydroquinoline|CS-0046816|147-47-7 https://www.jk-sci.com/products/s57c4x-1720102 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ba1ace529992aebfe410a7b07c7e6c5.jpg?v=1791375147 Oseltamivir Impurity 102, 96.30% | 943515-58-0 Oseltamivir Impurity 102|C4X-1720102|943515-58-0 https://www.jk-sci.com/products/ts246cs-0048211 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f48b4d229f23d25a659a1cdbef5f545d.jpg?v=1791339479 tert-Butyl 4-hydroxy-3-methylpiperidine-1-carboxylate, 97% | 181269-70-5 tert-Butyl 4-hydroxy-3-methylpiperidine-1-carboxylate|CS-0048211|181269-70-5 https://www.jk-sci.com/products/ts246cs-0048562 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0287fd79d4699fb23aaa88672a8110a2.jpg?v=1791339277 tert-Butyl (3R,4S)-3-amino-4-hydroxypyrrolidine-1-carboxylate, 98% | 1174020-29-1 tert-Butyl (3R,4S)-3-amino-4-hydroxypyrrolidine-1-carboxylate|CS-0048562|1174020-29-1 https://www.jk-sci.com/products/ts246cs-0049229 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/88c1d68d088f311635ee3d9d1e698885.jpg?v=1791338915 Methyl 1-methyl-1H-indazole-7-carboxylate, 97.00%+ | 1092351-84-2 Methyl 1-methyl-1H-indazole-7-carboxylate|CS-0049229|1092351-84-2 https://www.jk-sci.com/products/s57c4x-1720131 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_af1f2c72-00ee-434e-b23c-53f28ce3d4de.png?v=1791375137 Oseltamivir Impurity 2HCI 131, 85.30% Oseltamivir Impurity 2HCI 131|C4X-1720131 https://www.jk-sci.com/products/j5305464 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e02e4f24c2fd4bacdb37aa4990bb7f46.jpg?v=1791417507 Boc-cis-L-4-hydroxyproline methyl ester, Purity ≥ 97% | 102195-79-9 Boc-cis-L-4-hydroxyproline methyl ester|05464|102195-79-9 https://www.jk-sci.com/products/ts246cs-0049121 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/146de44e4c8ce03da0c469fe102ff38f.jpg?v=1791338978 Methyl 3-Boc-3-azabicyclo[3.2.1]octane-8-carboxylate, 96% | 1403766-87-9 Methyl 3-Boc-3-azabicyclo[3.2.1]octane-8-carboxylate|CS-0049121|1403766-87-9 https://www.jk-sci.com/products/ts246cs-0048770 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37ee90c8160241a713a24e4e43baa033.jpg?v=1791339162 Oxan-3-ylmethanamine hydrochloride, 97% | 1159599-89-9 Oxan-3-ylmethanamine hydrochloride|CS-0048770|1159599-89-9 https://www.jk-sci.com/products/s57c4x-1720104 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c76618a1b568768190e0d3000ac139e2.jpg?v=1791375144 Oseltamivir Impurity 104, 96.80% | 204254-92-2 Oseltamivir Impurity 104|C4X-1720104|204254-92-2 https://www.jk-sci.com/products/s57c4x-1720122 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f659d9b48cc1d9a5cd223ddd7e30c5c.jpg?v=1791375142 Oseltamivir Impurity 122, 98.10% | 2097777-49-4 Oseltamivir Impurity 122|C4X-1720122|2097777-49-4 https://www.jk-sci.com/products/ts246cs-0049048 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/07f38881db1b2823cf9bb9984c5a4a48.jpg?v=1791339048 Methyl 4-bromo-2-methyl-2H-indazole-3-carboxylate, 97% | 2090253-59-9 Methyl 4-bromo-2-methyl-2H-indazole-3-carboxylate|CS-0049048|2090253-59-9 https://www.jk-sci.com/products/s57c4x-1720145 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_554281ec-0579-467d-9d6f-d0af6fdd2e2b.png?v=1791375135 Oseltamivir Impurity 145, Purity: 97.7% Oseltamivir Impurity 145|C4X-1720145 https://www.jk-sci.com/products/ts246cs-0049395 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e165ec49c93b6eba605b02ccc3ea7877.jpg?v=1791338853 Ethyl imidazo[1,5-a]pyrazine-1-carboxylate, 98% | 1377584-27-4 Ethyl imidazo[1,5-a]pyrazine-1-carboxylate|CS-0049395|1377584-27-4 https://www.jk-sci.com/products/s57c4x-1720150 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f2b1849a-26d8-4a8f-85dc-fd6b4bd13485.png?v=1791375131 Oseltamivir Impurity 150, 95.90% Oseltamivir Impurity 150|C4X-1720150 https://www.jk-sci.com/products/s57c4x-172018 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d1453635-7b40-4476-92c1-b725043f8fbc.png?v=1791375126 Oseltamivir Impurity 18, 98.30% Oseltamivir Impurity 18|C4X-172018 https://www.jk-sci.com/products/ts246cs-0049487 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8745c8769c5c3b003541df578d49a32c.jpg?v=1791338812 Ethyl 3-bromopyrazolo[1,5-a]pyrimidine-6-carboxylate, 98% | 1263060-07-6 Ethyl 3-bromopyrazolo[1,5-a]pyrimidine-6-carboxylate|CS-0049487|1263060-07-6 https://www.jk-sci.com/products/s57c4x-1720154 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9183250b5cc435c067f85fee4c078ed5.jpg?v=1791375126 Oseltamivir Impurity 154, Purity: 96.1% | 40983-58-2 Oseltamivir Impurity 154|C4X-1720154|40983-58-2 https://www.jk-sci.com/products/ts246cs-0049664 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b85437255070d599f24150eedab73028.jpg?v=1791338715 cis-Cyclopentane-1,2-diamine dihydrochloride, 97% | 310872-08-3 cis-Cyclopentane-1,2-diamine dihydrochloride|CS-0049664|310872-08-3 https://www.jk-sci.com/products/ts246cs-0049516 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3cb5694cc14d9844a9408b63d7e57ac8.jpg?v=1791338795 Ethyl 2,6-dichloro-5-methylpyridine-3-carboxylate, 98.66%+ | 137520-86-6 Ethyl 2,6-dichloro-5-methylpyridine-3-carboxylate|CS-0049516|137520-86-6 https://www.jk-sci.com/products/ts246cs-0049594 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/603649c6e0bba2d3d725e98ea1b8e5d5.jpg?v=1791338747 endo-7-Hydroxy-3-oxa-9-azabicyclo[3.3.1]nonane hydrochloride, 97% | 240401-10-9 endo-7-Hydroxy-3-oxa-9-azabicyclo[3.3.1]nonane hydrochloride|CS-0049594|240401-10-9 https://www.jk-sci.com/products/ts246cs-0049542 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc4184c310e8b735a376eb48d972002b.jpg?v=1791338774 Ethyl 2-(2-bromopyrimidin-5-yl)acetate, 97% | 917023-05-3 Ethyl 2-(2-bromopyrimidin-5-yl)acetate|CS-0049542|917023-05-3 https://www.jk-sci.com/products/ts246cs-0049700 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/559a14d4576138d4b37d666a6a8f49a9.jpg?v=1791338699 cis-3-Methoxycyclobutanamine hydrochloride, 97% | 1408074-54-3 cis-3-Methoxycyclobutanamine hydrochloride|CS-0049700|1408074-54-3 https://www.jk-sci.com/products/ts246cs-0049756 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b022d6ce16888fe84af6fbca919dcf57.jpg?v=1791338680 cis-1,2,6-Trimethylpiperazine dihydrochloride, 97% | 1195782-28-5 cis-1,2,6-Trimethylpiperazine dihydrochloride|CS-0049756|1195782-28-5 https://www.jk-sci.com/products/ts246cs-0049832 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/02dfdc0727ceb50bc3e944bdafeb74b3.jpg?v=1791338648 Benzyl 4-({[(tert-butoxy)carbonyl]amino}amino)piperidine-1-carboxylate, 97% | 280111-50-4 Benzyl 4-({[(tert-butoxy)carbonyl]amino}amino)piperidine-1-carboxylate|CS-0049832|280111-50-4 https://www.jk-sci.com/products/ts246cs-0050018 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128611_11e2f41d-df80-4b49-b45e-b1469d5a8b6b.png?v=1791338579 7-Hydroxy-6-methoxy-3,4-dihydroquinazolin-4-one, 97% | 162012-72-8 7-Hydroxy-6-methoxy-3,4-dihydroquinazolin-4-one|CS-0050018|162012-72-8 https://www.jk-sci.com/products/ts246cs-0050070 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a5b1b382a89c7e20e19090e845447b5.jpg?v=1791338557 7-Bromo-5-fluoro-2,3-dihydro-1H-indol-2-one, 98% | 945379-34-0 7-Bromo-5-fluoro-2,3-dihydro-1H-indol-2-one|CS-0050070|945379-34-0 https://www.jk-sci.com/products/ts246cs-0049917 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbf4bddc59f6f76eb490fbc69d0efa95.jpg?v=1791338617 Azepan-3-ylmethanol hydrochloride, 96% | 856627-55-9 Azepan-3-ylmethanol hydrochloride|CS-0049917|856627-55-9 https://www.jk-sci.com/products/ts246cs-0050179 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84d4c5e74bbaf96348af64d685c8e3dc.jpg?v=1791338510 6-Methoxy-5-Methyl-1H-indole, 98% | 1071973-95-9 6-Methoxy-5-Methyl-1H-indole|CS-0050179|1071973-95-9 https://www.jk-sci.com/products/ts246cs-0050199 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6318f52c4f8a4c6f1ac53b9ad698267b.jpg?v=1791338503 6-Fluoro-5-indazolecarboxylic acid methyl ester, 98% | 633327-39-6 6-Fluoro-5-indazolecarboxylic acid methyl ester|CS-0050199|633327-39-6 https://www.jk-sci.com/products/ts246cs-0050325 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47ce59c94040a34f321e4f030a6c3536.jpg?v=1791338407 tert-Butyl 2-thia-6-azaspiro[3.3]heptane-6-carboxylate 2,2-dioxide, 98% | 1291487-31-4 tert-Butyl 2-thia-6-azaspiro[3.3]heptane-6-carboxylate 2,2-dioxide|CS-0050325|1291487-31-4 https://www.jk-sci.com/products/ts246cs-0050306 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f13e5dc50de3c1be42e658b5fd0ed429.jpg?v=1791338425 6-Bromo-1-methyl-1H-indazole-3-carboxylic acid, 97% | 1021859-29-9 6-Bromo-1-methyl-1H-indazole-3-carboxylic acid|CS-0050306|1021859-29-9 https://www.jk-sci.com/products/ts246cs-0050237 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b1b52758c5505f25fc78236b5a83d1b.jpg?v=1791338473 6-Chloro-1H-indazole-5-carboxylic acid methyl ester, 96% | 1372629-24-7 6-Chloro-1H-indazole-5-carboxylic acid methyl ester|CS-0050237|1372629-24-7 https://www.jk-sci.com/products/s57c4x-1720183 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50f940b62eca6dfce479bbdb88962cb9.jpg?v=1791375116 Oseltamivir EP Impurity A, 95.30% | 1364932-19-3 Oseltamivir EP Impurity A|C4X-1720183|1364932-19-3 https://www.jk-sci.com/products/s57c4x-172020 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_541dc7b8-7330-442b-a6e9-212790642380.png?v=1791375105 Oseltamivir Impurity 20, 91.10% Oseltamivir Impurity 20|C4X-172020 https://www.jk-sci.com/products/s57c4x-1720187 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ade4e5e8-ed8c-4096-a0bd-e9cff08cc5b5.png?v=1791375115 Oseltamivir EP Impurity F HCl（Mixture of Diastereomers）, 96.00% Oseltamivir EP Impurity F HCl（Mixture of Diastereomers）|C4X-1720187 https://www.jk-sci.com/products/ts246cs-0050290 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b97a2d8865e8f1a8f2559ced7ae9571.jpg?v=1791338441 6-Bromo-2-methylpyrazolo[1,5-a]pyrimidine, 99.26%+ | 916256-65-0 6-Bromo-2-methylpyrazolo[1,5-a]pyrimidine|CS-0050290|916256-65-0 https://www.jk-sci.com/products/s57c4x-1720195 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61aa28aaa7c5f95f48fb007993fde500.jpg?v=1791375111 Oseltamivir Impurity 195, 96.20% | 312904-18-0 Oseltamivir Impurity 195|C4X-1720195|312904-18-0 https://www.jk-sci.com/products/ts246cs-0050339 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/90a3ceb43abae1f46deec3041fedb366.jpg?v=1791338397 6-Aminospiro[3.3]heptan-2-ol hydrochloride, 98% | 1820979-19-8 6-Aminospiro[3.3]heptan-2-ol hydrochloride|CS-0050339|1820979-19-8 https://www.jk-sci.com/products/j5305485 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7f92f420ebdd1d81beb0db6cd4064920.jpg?v=1791417470 Na-Boc-Nd-xanthyl-D-glutamine, Assay by titration ≥ 97.5% || Purity by HPLC ≥ 98% | 99092-88-3 Na-Boc-Nd-xanthyl-D-glutamine|05485|99092-88-3 https://www.jk-sci.com/products/ts246cs-0050409 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e5bdbd4a22d4554b15e947d4cc4f5b0.jpg?v=1791338358 2-Chloro-4-(methylamino)pyrimidine-5-carbaldehyde, 98.00%+ | 839708-50-8 2-Chloro-4-(methylamino)pyrimidine-5-carbaldehyde|CS-0050409|839708-50-8 https://www.jk-sci.com/products/ts246cs-0050452 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/627808.png?v=1791338346 5-Methoxy-[1,3]thiazolo[5,4-b]pyridin-2-amine, 98% | 13797-77-8 5-Methoxy-[1,3]thiazolo[5,4-b]pyridin-2-amine|CS-0050452|13797-77-8 https://www.jk-sci.com/products/j5305520 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/18d4c17e738828c77fdcc94b0c65fb20.jpg?v=1791417416 Boc-O-tert-butyl-D-threonine, Purity by HPLC ≥ 98% | 201217-86-9 Boc-O-tert-butyl-D-threonine|05520|201217-86-9 https://www.jk-sci.com/products/j5305569 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e79cc230046c5e1eaebeb386ae213be9.jpg?v=1791417366 Boc-N-methyl-L-glutamic acid g-benzyl ester, Purity ≥ 95% (NMR) | 200615-91-4 Boc-N-methyl-L-glutamic acid g-benzyl ester|05569|200615-91-4 https://www.jk-sci.com/products/j5305588 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a50445d9d0df6eb2574e125a3f5e848.jpg?v=1791417342 Boc-Phe-Phe-OH, Purity by HPLC ≥ 97% | 13122-90-2 Boc-Phe-Phe-OH|05588|13122-90-2 https://www.jk-sci.com/products/ts246cs-0050474 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dd81f2dda760e4bebf5255c870abf3a.jpg?v=1791338330 5-Fluoropyrimidine-2-carboxylic acid, 97% | 1196151-51-5 5-Fluoropyrimidine-2-carboxylic acid|CS-0050474|1196151-51-5 https://www.jk-sci.com/products/ts246cs-0050481 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b8a093310d21252c4f7c036e86909a49.jpg?v=1791338321 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid, 97% | 1067193-34-3 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid|CS-0050481|1067193-34-3 https://www.jk-sci.com/products/ts246cs-0050502 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/340229.png?v=1791338311 5-Cyclopentyl-1H-pyrazol-3-amine, 97% | 264209-16-7 5-Cyclopentyl-1H-pyrazol-3-amine|CS-0050502|264209-16-7 https://www.jk-sci.com/products/ts246cs-0050510 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f782042d58b3015954923f1829357fd6.jpg?v=1791338310 5-Chloropyridazin-3-amine, 97% | 1314978-36-3 5-Chloropyridazin-3-amine|CS-0050510|1314978-36-3 https://www.jk-sci.com/products/ts246cs-0049526 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7951eb91376265c8381ccbc34c1e28ea.jpg?v=1791338785 Ethyl 2-(difluoromethyl)pyridine-4-carboxylate, 98% | 1192539-75-5 Ethyl 2-(difluoromethyl)pyridine-4-carboxylate|CS-0049526|1192539-75-5 https://www.jk-sci.com/products/ts246cs-0049169 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f517448b35c4974a328aac7c97ad4500.jpg?v=1791338952 Methyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate, 96% | 1352396-67-8 Methyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate|CS-0049169|1352396-67-8 https://www.jk-sci.com/products/s57c4x-172034 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64f51eac-6f57-4b11-b111-1d4219b94ae1.png?v=1791375079 Oseltamivir Impurity 34, 98.30% Oseltamivir Impurity 34|C4X-172034 https://www.jk-sci.com/products/ts246cs-0049722 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4a7ed6661f49c653354b567666da3021.jpg?v=1791338686 cis-3,5-Dimethylmorpholine hydrochloride, 97% | 154596-17-5 cis-3,5-Dimethylmorpholine hydrochloride|CS-0049722|154596-17-5 https://www.jk-sci.com/products/s57c4x-1720216 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_296204b6-37f7-419f-bb72-1c4c4c88a317.png?v=1791375100 Oseltamivir Impurity 216, Purity: 99.9% Oseltamivir Impurity 216|C4X-1720216 https://www.jk-sci.com/products/ts246cs-0050579 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b86f0da2dc1ffd4448204639af34c798.jpg?v=1791338259 5-Bromo-6-chloropyridine-2-carboxylic acid, 98.68%+ | 959958-25-9 5-Bromo-6-chloropyridine-2-carboxylic acid|CS-0050579|959958-25-9 https://www.jk-sci.com/products/ts246cs-0050571 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7680b30c3412898c2f1c8aebdb0d3ea8.jpg?v=1791338265 5-Bromo-6-methylpyridin-3-ol, 97% | 186593-45-3 5-Bromo-6-methylpyridin-3-ol|CS-0050571|186593-45-3 https://www.jk-sci.com/products/s57c4x-172046 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_a9a78da6-5e75-4544-b0ca-0b7191a5cdd6.png?v=1791375066 Oseltamivir Impurity 46, Purity: 99.5% Oseltamivir Impurity 46|C4X-172046 https://www.jk-sci.com/products/ts246cs-0050029 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ef95b5511f2969f45f2c38a1beecc27.jpg?v=1791338571 7-Fluoro-3,3-dimethyl-2,3-dihydro-1H-indol-2-one, 96% | 866208-24-4 7-Fluoro-3,3-dimethyl-2,3-dihydro-1H-indol-2-one|CS-0050029|866208-24-4 https://www.jk-sci.com/products/s57c4x-1720218 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6ec5691d-ad7d-4301-a3a3-5c34cf0bb94d.png?v=1791375095 Oseltamivir Impurity 218 TFA, 92.70% Oseltamivir Impurity 218 TFA|C4X-1720218 https://www.jk-sci.com/products/s57c4x-172030 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f88b670d30a328cb83c0a2c49e556659.jpg?v=1791375079 Oseltamivir Impurity 30, 86.50% | 212504-89-7 Oseltamivir Impurity 30|C4X-172030|212504-89-7 https://www.jk-sci.com/products/s57c4x-17204 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d70174d2043c182fbd5e1ea61c42906.jpg?v=1791375069 Oseltamivir EP Impurity D, 92.30% | 1346604-18-9 Oseltamivir EP Impurity D|C4X-17204|1346604-18-9 https://www.jk-sci.com/products/ts246cs-0049906 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca55798e5ca49dcb4803438f6e37ee32.jpg?v=1791338623 Methyl 4-(hydroxymethyl)-3-methoxybenzoate, 95% | 79236-96-7 Methyl 4-(hydroxymethyl)-3-methoxybenzoate|CS-0049906|79236-96-7 https://www.jk-sci.com/products/ts246cs-0048917 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/247743.png?v=1791339104 Methyl 7-bromo-1H-indazole-3-carboxylate, 95% | 885279-52-7 Methyl 7-bromo-1H-indazole-3-carboxylate|CS-0048917|885279-52-7 https://www.jk-sci.com/products/ts246cs-0050543 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e27219c5f5e7b538fa439d7df1583ad7.jpg?v=1791338284 5-Chloro-1H-indole-6-carboxylic acid, 98% | 1260858-55-6 5-Chloro-1H-indole-6-carboxylic acid|CS-0050543|1260858-55-6 https://www.jk-sci.com/products/s57c4x-172023 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_33d3aed7-5763-4067-9c08-05e953d3a060.png?v=1791375089 Oseltamivir Glucose Adduct 23, 95.90% Oseltamivir Glucose Adduct 23|C4X-172023 https://www.jk-sci.com/products/ts246cs-0049426 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0b5661cd22fe5555d9fb56b79b4ce3e.jpg?v=1791338837 Ethyl 6-bromo-1-benzothiophene-3-carboxylate, 97% | 946427-88-9 Ethyl 6-bromo-1-benzothiophene-3-carboxylate|CS-0049426|946427-88-9 https://www.jk-sci.com/products/s57c4x-172055 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f1cf9680-c2ea-48c7-a60f-17c4c1006397.png?v=1791375060 Oseltamivir Impurity 55, 94.70% Oseltamivir Impurity 55|C4X-172055 https://www.jk-sci.com/products/ts246cs-0048396 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9edd8ede1f943585c1073af9c6b29c2a.jpg?v=1791339366 tert-Butyl 3-(2-ethoxy-2-oxoethyl)pyrrolidine-1-carboxylate, 97% | 664364-29-8 tert-Butyl 3-(2-ethoxy-2-oxoethyl)pyrrolidine-1-carboxylate|CS-0048396|664364-29-8 https://www.jk-sci.com/products/s57c4x-172028 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97db5bf6d4dd5cb3ca2ae4d81a947560.jpg?v=1791375084 Oseltamivir Impurity 28, 98.70% | 204254-94-4 Oseltamivir Impurity 28|C4X-172028|204254-94-4 https://www.jk-sci.com/products/ts246cs-0049652 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ff38d9b89a45ffd4b3f9d1e72e6c3ec4.jpg?v=1791338720 rel-(3R,4S)-tetrahydrofuran-3,4-diamine dihydrochloride, 97% | 137277-16-8 rel-(3R,4S)-tetrahydrofuran-3,4-diamine dihydrochloride|CS-0049652|137277-16-8 https://www.jk-sci.com/products/j5305623 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd9b5baa879f0661a4eea64ecf27d523.jpg?v=1791417301 Benzoyl-L-citrulline methyl ester | 14325-36-1 Benzoyl-L-citrulline methyl ester|05623|14325-36-1 https://www.jk-sci.com/products/j5305693 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/233e711e4698c691b5dc3312e80372a7.jpg?v=1791417239 Fmoc-S-4-methylbenzyl-D-cysteine, Purity by HPLC ≥ 98% | 200354-41-2 Fmoc-S-4-methylbenzyl-D-cysteine|05693|200354-41-2 https://www.jk-sci.com/products/j5305704 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43119764d718ae6c1d82d3e094332be9.jpg?v=1791417221 Na-Fmoc-Nd-allyloxycarbonyl-D-ornithine, Purity by HPLC ≥ 98% | 214750-74-0 Na-Fmoc-Nd-allyloxycarbonyl-D-ornithine|05704|214750-74-0 https://www.jk-sci.com/products/ts246cs-0050136 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65ed5c8413df1347501c250d22589c66.jpg?v=1791338526 7-(Benzenesulfonyl)-4-chloro-7H-pyrrolo[2,3-d]pyrimidine, 98% | 186519-89-1 7-(Benzenesulfonyl)-4-chloro-7H-pyrrolo[2,3-d]pyrimidine|CS-0050136|186519-89-1 https://www.jk-sci.com/products/ts246cs-0050334 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/038cd4ccbab6cf74f2833fb36ee05e93.jpg?v=1791338402 6-Azaspiro[3.4]octane, 96% | 765-64-0 6-Azaspiro[3.4]octane|CS-0050334|765-64-0 https://www.jk-sci.com/products/ts246cs-0050296 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ca7b93e95b17d15a845d7852c3a3721.jpg?v=1791338441 6-Bromo-2-chloro-4-methylquinazoline, 97% | 175724-46-6 6-Bromo-2-chloro-4-methylquinazoline|CS-0050296|175724-46-6 https://www.jk-sci.com/products/s57c4x-172063 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cda9dfe6d8d020e807eebe5fe15b298a.jpg?v=1791375050 Oseltamivir Impurity 63, 96.00% | 1266663-89-1 Oseltamivir Impurity 63|C4X-172063|1266663-89-1 https://www.jk-sci.com/products/ts246cs-0050235 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6f125c213cb82a616e4651ced2e294b.jpg?v=1791338478 6-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile, 98% | 1260385-93-0 6-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile|CS-0050235|1260385-93-0 https://www.jk-sci.com/products/s57c4x-172059 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/435ad5bd6852eb9efca21ca9e5485c29.jpg?v=1791375061 Oseltamivir Impurity 59, 99.30% | 722-97-4 Oseltamivir Impurity 59|C4X-172059|722-97-4 https://www.jk-sci.com/products/s57c4x-17207 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54eae7f395696fa775e246bd30bdac4e.jpg?v=1791375048 Oseltamivir EP Impurity G, 99.90% | 956267-10-0 Oseltamivir EP Impurity G|C4X-17207|956267-10-0 https://www.jk-sci.com/products/s57c4x-172085 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ebeb3eaa-3534-4f5d-afe6-7f5bcc3b3adb.png?v=1791375039 Oseltamivir Impurity 85, Purity: 99.4% Oseltamivir Impurity 85|C4X-172085 https://www.jk-sci.com/products/ts246cs-0050477 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69c406fd29e2d6365334dfa7470bdae2.jpg?v=1791338326 5-Fluoro-4-iodopyridin-2-amine, 97% | 1649470-53-0 5-Fluoro-4-iodopyridin-2-amine|CS-0050477|1649470-53-0 https://www.jk-sci.com/products/j5305714 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4878171159964032e54ffd04e1644eb7.jpg?v=1791417216 Fmoc-L-glutamic acid g -2-phenylisopropyl ester, Purity by HPLC ≥ 98% | 200616-39-3 Fmoc-L-glutamic acid g -2-phenylisopropyl ester|05714|200616-39-3 https://www.jk-sci.com/products/s57c4x-17208 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/395867.png?v=1791375042 Oseltamivir Intermediate 8, 99.70% | 204254-96-6 Oseltamivir Intermediate 8|C4X-17208|204254-96-6 https://www.jk-sci.com/products/ts246cs-0050563 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d2bd7573dff0f6ca6f08cb91207675df.jpg?v=1791338265 5-Bromo-N3,N3-dimethylpyridine-2,3-diamine, 99.91%+ | 1335059-07-8 5-Bromo-N3,N3-dimethylpyridine-2,3-diamine|CS-0050563|1335059-07-8 https://www.jk-sci.com/products/ts246cs-0050450 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d708ca7b0fd9b3224e03cf5f2683578.jpg?v=1791338346 5-Methoxy-1H-pyrazol-3-amine hydrochloride, 98% | 110884-53-2 5-Methoxy-1H-pyrazol-3-amine hydrochloride|CS-0050450|110884-53-2 https://www.jk-sci.com/products/ts246cs-0050503 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7df2368f03644f16f0d3768ff6d50276.jpg?v=1791338311 5-Cyano-6-methyl indole, 96% | 1000343-22-5 5-Cyano-6-methyl indole|CS-0050503|1000343-22-5 https://www.jk-sci.com/products/ts246cs-0050592 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b50fc9931865915b9aaa62ce56edfcc.jpg?v=1791338243 5-Bromo-4-chloro-1H-pyrazolo[3,4-b]pyridine, 97% | 1034769-88-4 5-Bromo-4-chloro-1H-pyrazolo[3,4-b]pyridine|CS-0050592|1034769-88-4 https://www.jk-sci.com/products/j5305727 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe146e9b07ad119f0fe2710f56836792.jpg?v=1791417194 Fmoc-L-threoninol, Purity by HPLC ≥ 98% | 176380-53-3 Fmoc-L-threoninol|05727|176380-53-3 https://www.jk-sci.com/products/ts246cs-0050768 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc91cf48f5a547545c92b9c778643946.jpg?v=1791338152 5-(Aminomethyl)-1-methylpyridin-2(1H)-one hydrochloride, 97% | 1891129-86-4 5-(Aminomethyl)-1-methylpyridin-2(1H)-one hydrochloride|CS-0050768|1891129-86-4 https://www.jk-sci.com/products/ts246cs-0050784 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5836c56ec9a467f568ad330d072d88f.jpg?v=1791338142 4-Phenylthiazolidin-2-one, 97% | 63615-85-0 4-Phenylthiazolidin-2-one|CS-0050784|63615-85-0 https://www.jk-sci.com/products/ts246cs-0050628 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/76aca3e42cf2476e9ad8f4199e3d20f8.jpg?v=1791338217 5-Bromo-2-chloro-4-(propan-2-yloxy)pyrimidine, 98% | 1289215-25-3 5-Bromo-2-chloro-4-(propan-2-yloxy)pyrimidine|CS-0050628|1289215-25-3 https://www.jk-sci.com/products/j5305746 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/52dddd68d03fe447c9831dae5466d496.jpg?v=1791417163 Fmoc-Leu-Leu-OH, Purity by HPLC ≥ 99% | 88743-98-0 Fmoc-Leu-Leu-OH|05746|88743-98-0 https://www.jk-sci.com/products/ts246cs-0050603 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/111725.png?v=1791338233 5-Bromo-3-chloro-1H-indazole, 98% | 36760-19-7 5-Bromo-3-chloro-1H-indazole|CS-0050603|36760-19-7 https://www.jk-sci.com/products/s57c4x-17209 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536305.png?v=1791375031 Oseltamivir EP Impurity H, 92.60% | 814-29-9 Oseltamivir EP Impurity H|C4X-17209|814-29-9 https://www.jk-sci.com/products/s57c4x-172087 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_749c2a64-1184-49de-bda7-956ba6765a67.png?v=1791375035 Oseltamivir Impurity 87 HCI, Purity: 96.8% Oseltamivir Impurity 87 HCI|C4X-172087 https://www.jk-sci.com/products/ts246cs-0050692 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75197a2962aded744a5e7d196fb7393e.jpg?v=1791338173 5-Amino-1-methylpiperidin-2-one hydrochloride, 95% | 1228838-10-5 5-Amino-1-methylpiperidin-2-one hydrochloride|CS-0050692|1228838-10-5 https://www.jk-sci.com/products/j5305760 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd21a0266144169f92c62623851cb1c5.jpg?v=1791417151 Fmoc-Pro-Gly-OH, Purity by HPLC ≥ 98% | 250695-65-9 Fmoc-Pro-Gly-OH|05760|250695-65-9 https://www.jk-sci.com/products/ts246cs-0050837 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e46ffde6da266cef35c9b181a727d6c6.jpg?v=1791338114 4-Hydroxy-3-methoxy-5-methylbenzonitrile, 97% | 173900-47-5 4-Hydroxy-3-methoxy-5-methylbenzonitrile|CS-0050837|173900-47-5 https://www.jk-sci.com/products/s57c4x-172097 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_525e0298-2617-48b0-b1b4-b1fa65395d35.png?v=1791375025 Oseltamivir Impurity 97, 86.90% Oseltamivir Impurity 97|C4X-172097 https://www.jk-sci.com/products/j5305775 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/241fac6e4fe71d85341a6f274c96aac3.jpg?v=1791417135 a-Methyl-DL-phenylalanine, Purity by HPLC ≥ 98% | 1132-26-9 a-Methyl-DL-phenylalanine|05775|1132-26-9 https://www.jk-sci.com/products/ts246cs-0050946 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2018ccf4c6fa2810714a005ca55d72c2.jpg?v=1791338065 4-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid, 95% | 1000340-37-3 4-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid|CS-0050946|1000340-37-3 https://www.jk-sci.com/products/ts246cs-0050928 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c6fb61990c608da39cce164ac7ec6d45.jpg?v=1791338076 Pantoprazole impurity 42, 99.88%+ | 107512-34-5 Pantoprazole impurity 42|CS-0050928|107512-34-5 https://www.jk-sci.com/products/ts246cs-0051013 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/236033.png?v=1791338002 4-Bromo-1H-indole-6-carboxylic acid, 98% | 374633-27-9 4-Bromo-1H-indole-6-carboxylic acid|CS-0051013|374633-27-9 https://www.jk-sci.com/products/ts246cs-0050998 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c77af94c85cbcc053c659a89042e6f92.jpg?v=1791338011 4-Bromo-3-(propan-2-yl)-1H-pyrazole, 97% | 60061-60-1 4-Bromo-3-(propan-2-yl)-1H-pyrazole|CS-0050998|60061-60-1 https://www.jk-sci.com/products/ts246cs-0050956 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/258389.png?v=1791338059 4-Chloro-1,5-naphthyridine, 97% | 7689-63-6 4-Chloro-1,5-naphthyridine|CS-0050956|7689-63-6 https://www.jk-sci.com/products/ts246cs-0050968 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf0f3d49eb4ba2ec1de52ac98c2ae020.jpg?v=1791338054 4-Bromo-7-methyl-1H-Pyrrolo[2,3-c]pyridine, 98% | 1257294-43-1 4-Bromo-7-methyl-1H-Pyrrolo[2,3-c]pyridine|CS-0050968|1257294-43-1 https://www.jk-sci.com/products/j5305931 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7126ccd556d50f4c3c76d72618cc2da4.jpg?v=1791416998 D-Ala-Phe-OH | 3061-95-8 D-Ala-Phe-OH|05931|3061-95-8 https://www.jk-sci.com/products/ts246cs-0051026 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a431620fb7528a175ea66b35f9485e05.jpg?v=1791337994 4-Bromo-1-(oxetan-3-yl)-1H-pyrazole, 99.07%+ | 1374657-02-9 4-Bromo-1-(oxetan-3-yl)-1H-pyrazole|CS-0051026|1374657-02-9 https://www.jk-sci.com/products/j5305813 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7a38d437be5d203861c150f3d798c44.jpg?v=1791417103 L-a-Aminobutyric acid tert-butyl ester hydrochloride, Purity by HPLC ≥ 99% | 53956-05-1 L-a-Aminobutyric acid tert-butyl ester hydrochloride|05813|53956-05-1 https://www.jk-sci.com/products/j5305842 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c5700ba2d1f63246768348aee0c155cd.jpg?v=1791417080 Ala-Trp-OH, Purity by HPLC ≥ 99% | 16305-75-2 Ala-Trp-OH|05842|16305-75-2 https://www.jk-sci.com/products/ts246cs-0048698 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b0e04d5928a05963f48d61887cd606ed.jpg?v=1791339205 Spiro[2.3]hexan-5-one, 97% | 20061-22-7 Spiro[2.3]hexan-5-one|CS-0048698|20061-22-7 https://www.jk-sci.com/products/j5305885 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/021e19de43fbdaed3db2c1083804078d.jpg?v=1791417035 L-Aspartic acid b-7-amido-4-methylcoumarin, Assay by titration > 90% || Purity by HPLC ≥ 99.5% | 133628-73-6 L-Aspartic acid b-7-amido-4-methylcoumarin|05885|133628-73-6 https://www.jk-sci.com/products/j5305968 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70d9888265ac9556a89b6efe08ae93c0.jpg?v=1791416955 D-Glutamic acid a-benzyl ester hydrochloride, Purity by HPLC ≥ 99% | 79338-14-0 D-Glutamic acid a-benzyl ester hydrochloride|05968|79338-14-0 https://www.jk-sci.com/products/ts246cs-0049270 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d5e5ab8e916ca78a14f309e1b45c8530.jpg?v=1791338890 Methyl 1-(4-bromophenyl)cyclobutane-1-carboxylate, 98% | 1236357-65-5 Methyl 1-(4-bromophenyl)cyclobutane-1-carboxylate|CS-0049270|1236357-65-5 https://www.jk-sci.com/products/j5305980 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06717ad46b16a8b96452c164c6e55ede.jpg?v=1791416940 D-Leucyl-leucine, Purity by HPLC ≥ 98% | 38689-31-5 D-Leucyl-leucine|05980|38689-31-5 https://www.jk-sci.com/products/j5305945 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96a6b48fb89cfe4683920b64ab4af4db.jpg?v=1791416972 D-Aspartic acid a-benzyl ester, Purity by HPLC ≥ 99% | 6367-42-6 D-Aspartic acid a-benzyl ester|05945|6367-42-6 https://www.jk-sci.com/products/j5306036 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8392d57f5e6b626b92eb489ed30340a9.jpg?v=1791416887 DL-Norvaline methyl ester hydrochloride | 56558-30-6 DL-Norvaline methyl ester hydrochloride|06036|56558-30-6 https://www.jk-sci.com/products/j5306014 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20920b849029d388bfcdc90bb1544a4c.jpg?v=1791416906 D-Valine methyl ester hydrochloride, Assay ≥ 99% | 7146-15-8 D-Valine methyl ester hydrochloride|06014|7146-15-8 https://www.jk-sci.com/products/j5306033 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d822d0a6f359d0dc9bf1bf997354fdd0.jpg?v=1791416890 DL-Aspartic acid b-methyl ester hydrochloride, Purity by HPLC ≥ 98% | 1835-52-5 DL-Aspartic acid b-methyl ester hydrochloride|06033|1835-52-5 https://www.jk-sci.com/products/ts246cs-0049552 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d36883c9352573f6efa6304298e25fa.jpg?v=1791338769 Ethyl 1H-pyrrolo[2,3-c]pyridine-2-carboxylate, 97% | 24334-19-8 Ethyl 1H-pyrrolo[2,3-c]pyridine-2-carboxylate|CS-0049552|24334-19-8 https://www.jk-sci.com/products/ts246cs-0049777 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae10167f5bb6465d8b70d7f027b10983.jpg?v=1791338669 Bicyclo[4.1.0]heptan-2-one, 96% | 5771-58-4 Bicyclo[4.1.0]heptan-2-one|CS-0049777|5771-58-4 https://www.jk-sci.com/products/j5306042 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/55ec657f94d0a518e28d6150fcdf4fdb.jpg?v=1791416878 L-Glutamic acid diethyl ester hydrochloride | 1118-89-4 L-Glutamic acid diethyl ester hydrochloride|06042|1118-89-4 https://www.jk-sci.com/products/j5306065 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6571e0e498ffe4b1dd95e2347a0b1dfd.jpg?v=1791416860 Gly-Met-OH, Purity by HPLC ≥ 99% | 554-94-9 Gly-Met-OH|06065|554-94-9 https://www.jk-sci.com/products/j5306070 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/45104fd9c6c234c825b6d30805d4641f.jpg?v=1791416851 Glycine 4-nitroanilide, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 1205-88-5 Glycine 4-nitroanilide|06070|1205-88-5 https://www.jk-sci.com/products/j5306091 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b2e720fb363758ae277de081bb9bb092.jpg?v=1791416829 His-Val-OH, Purity by HPLC ≥ 99% | 76019-15-3 His-Val-OH|06091|76019-15-3 https://www.jk-sci.com/products/j5306084 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2e9568d1000107db61f8e8fc8a85167.jpg?v=1791416836 L-Histidine ethyl ester dihydrochloride, Assay ≥ 86% (Nth: 16.41% by elemental analysis) calc. as x 2 HCl (28.47%) || T | 35166-54-2 L-Histidine ethyl ester dihydrochloride|06084|35166-54-2 https://www.jk-sci.com/products/j5306122 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d8d410b54586f6ba85797aa0b5f21554.jpg?v=1791416810 L-Leucine 7-amido-4-methylcoumarin, Assay by titration ≥ 97.5% || Purity by HPLC ≥ 99.5% | 66447-31-2 L-Leucine 7-amido-4-methylcoumarin|06122|66447-31-2 https://www.jk-sci.com/products/ts246cs-0050248 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/438da0992109123cd5faa1192d564e14.jpg?v=1791338468 6-Bromopyrrolo[2,1-f][1,2,4]triazin-4-amine, 99.80%+ | 937047-06-8 6-Bromopyrrolo[2,1-f][1,2,4]triazin-4-amine|CS-0050248|937047-06-8 https://www.jk-sci.com/products/ts246cs-0050099 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/601554475fe15a07f77ff6463629cbb9.jpg?v=1791338536 7-Bromo-1H-pyrazolo[4,3-c]pyridine, 97% | 1256821-58-5 7-Bromo-1H-pyrazolo[4,3-c]pyridine|CS-0050099|1256821-58-5 https://www.jk-sci.com/products/ts246cs-0050363 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/278f65a2768dde00bfdc1f4b84d05878.jpg?v=1791338382 6,7-Dichloro-1H-indole, 98% | 57817-08-0 6,7-Dichloro-1H-indole|CS-0050363|57817-08-0 https://www.jk-sci.com/products/j5306127 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62e1ab9ac22653c2dc672c02806e0120.jpg?v=1791416809 Ne-2-Chloro-Z-L-lysine, Purity by HPLC ≥ 99% | 42390-97-6 Ne-2-Chloro-Z-L-lysine|06127|42390-97-6 https://www.jk-sci.com/products/j5306132 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f4eb3ed21c278bacc31d27191cda2790.jpg?v=1791416798 Ne-Fmoc-L-lysine, Purity by HPLC ≥ 98% | 84624-28-2 Ne-Fmoc-L-lysine|06132|84624-28-2 https://www.jk-sci.com/products/j5306149 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e552f171dfd79f576c140319041a25b.jpg?v=1791416780 Nd-Z-L-ornithine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 5874-75-9 Nd-Z-L-ornithine methyl ester hydrochloride|06149|5874-75-9 https://www.jk-sci.com/products/j5306138 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b249ce4394efed74f41c1098a479f9b8.jpg?v=1791416792 3-Fluoro-DL-phenylalanine, Purity by HPLC ≥ 99% | 2629-54-1 3-Fluoro-DL-phenylalanine|06138|2629-54-1 https://www.jk-sci.com/products/j5306160 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f64f095a4d76346ecd49dba052f78fca.jpg?v=1791416774 4-Amino-D-phenylalanine hydrochloride, Purity by HPLC ≥ 98% | 126257-07-6 4-Amino-D-phenylalanine hydrochloride|06160|126257-07-6 https://www.jk-sci.com/products/j5306171 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/454f263d762e64c23f7b36bb1bade110.jpg?v=1791416765 4-Fluoro-DL-phenylalanine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 64282-12-8 4-Fluoro-DL-phenylalanine methyl ester hydrochloride|06171|64282-12-8 https://www.jk-sci.com/products/j5306173 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/daed8ff1f82a5ebb3d44c957d0889f0d.jpg?v=1791416760 O-Methyl-DL-tyrosine | 7635-29-2 O-Methyl-DL-tyrosine|06173|7635-29-2 https://www.jk-sci.com/products/ts246cs-0050494 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/86888f45d6a0efe22c05774c6e83d1c7.jpg?v=1791338315 5-Ethynyl-2-methoxypyridine, 97% | 663955-59-7 5-Ethynyl-2-methoxypyridine|CS-0050494|663955-59-7 https://www.jk-sci.com/products/j5306177 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb3afc07fc66d5eaa1836f8589d5fc63.jpg?v=1791416750 L-Phenylalanine chloromethylketone hydrochloride, Purity ≥ 99% (NMR) | 52735-71-4 L-Phenylalanine chloromethylketone hydrochloride|06177|52735-71-4 https://www.jk-sci.com/products/j5306210 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ad7a6df82af16088c79cd13516c0052.jpg?v=1791416720 L-Serine b-naphthylamide | 888-74-4 L-Serine b-naphthylamide|06210|888-74-4 https://www.jk-sci.com/products/j5306187 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04539c2831616e9f0673a80c987572a5.jpg?v=1791416740 L-Phenylalanine b-naphthylamide, Assay ≥ 98% (elemental analysis, Nth : 9.65%) | 740-57-8 L-Phenylalanine b-naphthylamide|06187|740-57-8 https://www.jk-sci.com/products/j5306223 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/609f5d354a0be09e1c705784b6c75dc4.jpg?v=1791416704 b-Ala-b-Ala-OH, Purity by HPLC ≥ 99% | 2140-53-6 b-Ala-b-Ala-OH|06223|2140-53-6 https://www.jk-sci.com/products/s57c4x-17235 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b29fec1072bdbaee9f49e986aa014e96.jpg?v=1791375021 Oxymetazoline EP Impurity D, 96.90% | 55699-12-2 Oxymetazoline EP Impurity D|C4X-17235|55699-12-2 https://www.jk-sci.com/products/ts246cs-0050577 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dcc974ab7af293f228e647a0528fe66b.jpg?v=1791338264 5-Bromo-6-fluoro-1-methyl-1H-indazole, 98% | 1185767-06-9 5-Bromo-6-fluoro-1-methyl-1H-indazole|CS-0050577|1185767-06-9 https://www.jk-sci.com/products/j5306233 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/50491b6156167c30a12f01cdd069456b.jpg?v=1791416691 b-Cyclopentyl-L-alanine, Purity ≥ 98% | 99295-82-6 b-Cyclopentyl-L-alanine|06233|99295-82-6 https://www.jk-sci.com/products/ts246cs-0050606 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ffe2ce80df24a85a5bb07342c2419f89.jpg?v=1791338233 5-Bromo-3,3-dimethyl-2,3-dihydro-1h-indol-2-one, 97% | 120902-45-6 5-Bromo-3,3-dimethyl-2,3-dihydro-1h-indol-2-one|CS-0050606|120902-45-6 https://www.jk-sci.com/products/j5306238 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/48a633889311a91b0bbe8551e2d6a2b5.jpg?v=1791416685 O-tert-Butyl-L-threonine allyl ester hydrochloride | 218938-63-7 O-tert-Butyl-L-threonine allyl ester hydrochloride|06238|218938-63-7 https://www.jk-sci.com/products/j5306272 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d377700811d0abe96c7e2b97ed4255f7.jpg?v=1791416658 L-Valine 4-nitroanilide hydrochloride | 77835-49-5 L-Valine 4-nitroanilide hydrochloride|06272|77835-49-5 https://www.jk-sci.com/products/j5306286 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/feca29ef2afdc19f7526e8b587f4ac6c.jpg?v=1791416639 L-Threoninol, Purity ≥ 98% (NMR) | 3228-51-1 L-Threoninol|06286|3228-51-1 https://www.jk-sci.com/products/ts246cs-0050704 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/113509_af54bc2d-c3c6-468a-9c55-776886494f8f.png?v=1791338171 5-((tert-Butoxycarbonyl)amino)-2-methoxyisonicotinic acid, 98.68%+ | 183741-86-8 5-((tert-Butoxycarbonyl)amino)-2-methoxyisonicotinic acid|CS-0050704|183741-86-8 https://www.jk-sci.com/products/ts246cs-0050793 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a30821cfc30d36334c0a17a9ca4bd15e.jpg?v=1791338137 4-Nitroindolin-2-one, 96% | 61394-51-2 4-Nitroindolin-2-one|CS-0050793|61394-51-2 https://www.jk-sci.com/products/j5306293 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7704e6929d0206e77b1da195b8262463.jpg?v=1791416630 Na-Boc-D-2,3-diaminopropionic acid, Assay by titration ≥ 98% | 76387-70-7 Na-Boc-D-2,3-diaminopropionic acid|06293|76387-70-7 https://www.jk-sci.com/products/ts246cs-0051010 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2a910a5586b9a8f8c7fed25624e20a44.jpg?v=1791338007 4-Bromo-1H-pyrrolo[2,3-b]pyridine-2-carbaldehyde, 97% | 1367950-82-0 4-Bromo-1H-pyrrolo[2,3-b]pyridine-2-carbaldehyde|CS-0051010|1367950-82-0 https://www.jk-sci.com/products/ts246cs-0050942 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/615144_fff64beb-0337-44f1-a655-63e717d0835b.png?v=1791338064 4-Chloro-2-(methylsulfanyl)pyrazolo[1,5-a][1,3,5]triazine, 96% | 54346-19-9 4-Chloro-2-(methylsulfanyl)pyrazolo[1,5-a][1,3,5]triazine|CS-0050942|54346-19-9 https://www.jk-sci.com/products/j5306295 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7912a019e05291b0b95489f6362a510.jpg?v=1791416630 Na-Boc-L-2,3-diaminopropionic acid, Purity by HPLC ≥ 98% | 73259-81-1 Na-Boc-L-2,3-diaminopropionic acid|06295|73259-81-1 https://www.jk-sci.com/products/ts246cs-0050966 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adbe978bf800d8e4c39e69dfdd47126a.jpg?v=1791338053 4-Bromo-7-nitro-1H-indazole, 97% | 1190319-86-8 4-Bromo-7-nitro-1H-indazole|CS-0050966|1190319-86-8 https://www.jk-sci.com/products/s57c4x-1724100 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_0eb2b0d2-f8e5-4ad7-a06f-cec68c755cbc.png?v=1791375013 Paliperidone Impurity 100, 91.60% Paliperidone Impurity 100|C4X-1724100 https://www.jk-sci.com/products/j5306299 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4eaadee8fd6ce505727bf40bbe21d7b.jpg?v=1791416624 Na-Boc-Ng-Z-D-2,4-diaminobutyric acid dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 101854-42-6 Na-Boc-Ng-Z-D-2,4-diaminobutyric acid dicyclohexylammonium salt|06299|101854-42-6 https://www.jk-sci.com/products/j5306304 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ddeaa06a1bffba811e9129408b95e912.jpg?v=1791416614 Na-Boc-Nb-Fmoc-D-2,3-diaminopropionic acid, Assay by titration 86.0 to 93.0% || Purity by HPLC ≥ 99% | 131570-56-4 Na-Boc-Nb-Fmoc-D-2,3-diaminopropionic acid|06304|131570-56-4 https://www.jk-sci.com/products/j5306308 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b6fad053ae5428039775cdaed36395c6.jpg?v=1791416605 Na-Fmoc-D-2,4-diaminobutyric acid, Assay by titration 97.0-100.0% || Purity by HPLC ≥ 99% | 201484-12-0 Na-Fmoc-D-2,4-diaminobutyric acid|06308|201484-12-0 https://www.jk-sci.com/products/j5306341 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/666e29b2279c11d6bfc4980da9bb2552.jpg?v=1791416553 Na-Methyl-D-phenylalanine hydrochloride | 56564-52-4 Na-Methyl-D-phenylalanine hydrochloride|06341|56564-52-4 https://www.jk-sci.com/products/j5306326 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d954c25c1dd428bbd2b2856490e74e25.jpg?v=1791416590 Na-Z-D-2,3-diaminopropionic acid, Assay by titration ≥ 98% || Purity by HPLC ≥ 99% | 62234-37-1 Na-Z-D-2,3-diaminopropionic acid|06326|62234-37-1 https://www.jk-sci.com/products/j5306312 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a73ad6c7d6020cca41321fbbc8b90af2.jpg?v=1791416599 Na-Fmoc-Ng-Boc-D-2,4-diaminobutyric acid, Assay by titration ≥ 96% || Purity by HPLC ≥ 98% | 114360-56-4 Na-Fmoc-Ng-Boc-D-2,4-diaminobutyric acid|06312|114360-56-4 https://www.jk-sci.com/products/j5304769 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47f4a31031e901732641c22c457a3b03.jpg?v=1791418153 TentaGel S-Br (0.1 - 0.3 meq/g, 130 μm beads), Substitution (meq/g) 0.1-0.3 meq/g TentaGel S-Br (0.1 - 0.3 meq/g, 130 μm beads)|04769 https://www.jk-sci.com/products/ts246cs-0051031 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c73e71ef3e68500520767afd502ecf7.jpg?v=1791337989 4-Aminothieno[3,2-d]pyrimidine-7-carboxylic acid, 97.00%+ | 1318242-98-6 4-Aminothieno[3,2-d]pyrimidine-7-carboxylic acid|CS-0051031|1318242-98-6 https://www.jk-sci.com/products/j5305063 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe8427e7f49b0d089208d1cebf2c4911.jpg?v=1791417853 N-(2-Aminoethyl)aminomethyl polystyrene resin, Bead Size 200 - 400 mesh || Substitution (meq/g) 0.5-2.5 mmol/g N-(2-Aminoethyl)aminomethyl polystyrene resin|05063 https://www.jk-sci.com/products/j5305447 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475d01b663c4e506c14cc475e82d6b07.jpg?v=1791417521 Boc-3,5-diiodo-L-tyrosine methyl ester, Purity by HPLC ≥ 98% | 128781-80-6 Boc-3,5-diiodo-L-tyrosine methyl ester|05447|128781-80-6 https://www.jk-sci.com/products/j5305296 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5fe96ec75dc7397efb065c220709276a.jpg?v=1791417652 Boc-S-tert-butyl-L-cysteine, Purity by HPLC ? 99% | 56976-06-8 Boc-S-tert-butyl-L-cysteine|05296|56976-06-8 https://www.jk-sci.com/products/ts246cs-0051043 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/00a3c42d8444970425971eeb11104199.jpg?v=1791337980 4-Amino-6-fluoro-1H-pyridin-2-one, 96.47%+ | 105252-99-1 4-Amino-6-fluoro-1H-pyridin-2-one|CS-0051043|105252-99-1 https://www.jk-sci.com/products/j5305506 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81f01e41134cd97652dadd329c8aeda7.jpg?v=1791417433 Na-Boc-Ne-trifluoroacetyl-D-lysine, Purity by HPLC ≥ 98% | 96561-04-5 Na-Boc-Ne-trifluoroacetyl-D-lysine|05506|96561-04-5 https://www.jk-sci.com/products/j5305580 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97bf6e605747cbd56adee145b505b9e8.jpg?v=1791417352 Boc-4-azido-D-phenylalanine, Purity by HPLC ≥ 99% | 214630-05-4 Boc-4-azido-D-phenylalanine|05580|214630-05-4 https://www.jk-sci.com/products/j5305673 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fcbd9360c38d552cbcba07d7ef1fd2f.jpg?v=1791417262 Fmoc-O-tert-butyl-L-allo-threonine, Purity by HPLC ≥ 98% | 201481-37-0 Fmoc-O-tert-butyl-L-allo-threonine|05673|201481-37-0 https://www.jk-sci.com/products/j5305710 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7717dacf090543b95e4f370dbbb5ec23.jpg?v=1791417215 Fmoc-O-methyl-D-threonine, Purity by HPLC ≥ 99% | 1301706-86-4 Fmoc-O-methyl-D-threonine|05710|1301706-86-4 https://www.jk-sci.com/products/j5305736 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/20328da40c1dfea4d03a24b2aa73ce7a.jpg?v=1791417178 Na-Fmoc-Ne-(trimethyl)-L-lysine chloride, Purity by HPLC ≥ 98% | 201004-29-7 Na-Fmoc-Ne-(trimethyl)-L-lysine chloride|05736|201004-29-7 https://www.jk-sci.com/products/ts246cs-0051168 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d050d14fdb4f076d4e59b91fd1d25e5c.jpg?v=1791337926 4-(Chloromethyl)-5-cyclopropyl-3-(2,6-dichlorophenyl)-1,2-oxazole, 99.05%+ | 1268245-50-6 4-(Chloromethyl)-5-cyclopropyl-3-(2,6-dichlorophenyl)-1,2-oxazole|CS-0051168|1268245-50-6 https://www.jk-sci.com/products/j5305766 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/aec94ae3ca7c68be068138fdc845a438.jpg?v=1791417140 Fmoc-b-cyclopropyl-L-alanine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 214750-76-2 Fmoc-b-cyclopropyl-L-alanine|05766|214750-76-2 https://www.jk-sci.com/products/j5305829 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f0cd34f7661f6b7831653269c788568.jpg?v=1791417094 H-Ala-Leu-OH, Purity by HPLC ≥ 95% | 3303-34-2 H-Ala-Leu-OH|05829|3303-34-2 https://www.jk-sci.com/products/s57c4x-1724110 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c933a339-826a-4768-a9c2-c00491a97f08.png?v=1791375010 Paliperidone Impurity 110 HCl, 97.20% Paliperidone Impurity 110 HCl|C4X-1724110 https://www.jk-sci.com/products/s57c4x-172421 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bcae48b648e97ea821d5facd411bf11.jpg?v=1791375005 Paliperidone-d4, Purity>95% | 1020719-55-4 Paliperidone-d4|C4X-172421|1020719-55-4 https://www.jk-sci.com/products/j5305920 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61a2dd09b629e46f94c78249b816d2a3.jpg?v=1791417007 S-Trityl-L-cysteine amide, Purity by HPLC ≥ 98% | 166737-85-5 S-Trityl-L-cysteine amide|05920|166737-85-5 https://www.jk-sci.com/products/s57c4x-172423 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/124b1e925a77b416f47ebdfe9ad56cce.jpg?v=1791375003 Paliperidone Related Compound A, 98.10% | 849903-79-3 Paliperidone Related Compound A|C4X-172423|849903-79-3 https://www.jk-sci.com/products/j5305955 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9a32b731846b15cda1013931db0f615b.jpg?v=1791416962 D-Glutamine a-amide hydrochloride, Purity ≥ 98% (NMR) | 200624-59-5 D-Glutamine a-amide hydrochloride|05955|200624-59-5 https://www.jk-sci.com/products/ts246cs-0051071 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc30eb695fdff10fcbf8fae88ef76007.jpg?v=1791337970 4-((tert-Butoxycarbonyl)amino)-1H-pyrazole-3-carboxylic acid, 95% | 896466-71-0 4-((tert-Butoxycarbonyl)amino)-1H-pyrazole-3-carboxylic acid|CS-0051071|896466-71-0 https://www.jk-sci.com/products/ts246cs-0051135 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/652159aeb1ba5e5f644a862241690617.jpg?v=1791337952 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one, 97.00%+ | 765948-78-5 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one|CS-0051135|765948-78-5 https://www.jk-sci.com/products/ts246cs-0047758 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8876a5b173ee059a636209fa33258449_d82abfe7-9337-43c6-b9f1-bc821240a5ef.jpg?v=1791339685 trans-4-Aminocyclohexanemethanol hydrochloride, 97% | 1504-49-0 trans-4-Aminocyclohexanemethanol hydrochloride|CS-0047758|1504-49-0 https://www.jk-sci.com/products/ts246cs-0051306 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8eee286a8c3717512f9d310fd54a3c0.jpg?v=1791337873 3-Iodo-6-methylpyridazine, 95% | 1618-47-9 3-Iodo-6-methylpyridazine|CS-0051306|1618-47-9 https://www.jk-sci.com/products/ts246cs-0051323 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6f6935d51ec091220ab8e787be25917.jpg?v=1791337862 3-Iodo-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile, 96.00%+ | 1638764-68-7 3-Iodo-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile|CS-0051323|1638764-68-7 https://www.jk-sci.com/products/ts246cs-0051368 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/372674_de82f08d-64fa-4952-8afe-1918c198ea0a.png?v=1791337828 3-Fluoro-2-(trifluoromethyl)pyridine-4-carboxylic acid, 98% | 886510-09-4 3-Fluoro-2-(trifluoromethyl)pyridine-4-carboxylic acid|CS-0051368|886510-09-4 https://www.jk-sci.com/products/s57c4x-172429 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1c1285d0e87c1ee7375dc4467ddae727.jpg?v=1791374997 Paliperidone relatedcompound D, 90.60% | 761460-08-6 Paliperidone relatedcompound D|C4X-172429|761460-08-6 https://www.jk-sci.com/products/j5306040 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d854a09ddd12a17ed8a6659c0dca292.jpg?v=1791416878 L-Glutamic acid g-anilide | 5963-60-0 L-Glutamic acid g-anilide|06040|5963-60-0 https://www.jk-sci.com/products/ts246cs-0051224 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/646759c15d34e772aaa48744e1df87b4.jpg?v=1791337905 3-Phenylcyclobutan-1-amine, 97% | 90874-41-2 3-Phenylcyclobutan-1-amine|CS-0051224|90874-41-2 https://www.jk-sci.com/products/ts246cs-0051337 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc201dc88429fafa1e7e4869bfa93c51.jpg?v=1791337841 3-Hydroxycyclobutan-1-one, 97.00%+ | 15932-93-1 3-Hydroxycyclobutan-1-one|CS-0051337|15932-93-1 https://www.jk-sci.com/products/j5306029 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/955840b3fa1ffb7fdb2168b51f282de4.jpg?v=1791416895 DL-Alanine methyl ester hydrochloride, Purity by HPLC ≥ 99% | 13515-97-4 DL-Alanine methyl ester hydrochloride|06029|13515-97-4 https://www.jk-sci.com/products/j5305999 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25e02c2bee00a75909475b9e6e4c7c9a.jpg?v=1791416924 D-Proline amide hydrochloride, Purity by HPLC ≥ 99% | 50894-62-7 D-Proline amide hydrochloride|05999|50894-62-7 https://www.jk-sci.com/products/ts246cs-0049501 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/115c78d9fae10835abe1c21d2efe40f8.jpg?v=1791338812 Ethyl 2-oxohexanoate, 95% | 5753-96-8 Ethyl 2-oxohexanoate|CS-0049501|5753-96-8 https://www.jk-sci.com/products/s57c4x-172432 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c23e1bf4-4e21-4f2f-8ca2-b30a958de2ad.png?v=1791374992 Paliperidone Impurity 32, 95.20% | 1404053-61-7 Paliperidone Impurity 32|C4X-172432|1404053-61-7 https://www.jk-sci.com/products/j5306069 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81116a50f01244715251e5de3c351a9d.jpg?v=1791416856 Glycine dimethylamide acetate, Purity ≥ 98% (NMR) | 200634-33-9 Glycine dimethylamide acetate|06069|200634-33-9 https://www.jk-sci.com/products/j5306088 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ab67f36bb997920b9ce29476a0873025.jpg?v=1791416831 L-Histidine b-naphthylamide, Purity by HPLC ≥ 99% | 7424-15-9 L-Histidine b-naphthylamide|06088|7424-15-9 https://www.jk-sci.com/products/ts246cs-0049968 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/65c2dc3fe66b2df0306cd8614c1133bd.jpg?v=1791338601 8-Boc-2-oxo-8-azabicyclo[3.2.1]octane, 97% | 1408076-39-0 8-Boc-2-oxo-8-azabicyclo[3.2.1]octane|CS-0049968|1408076-39-0 https://www.jk-sci.com/products/j5306123 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f55f6536112e420f4c289e25e6b8a29a.jpg?v=1791416809 Leu-Val-OH, Purity by HPLC ≥ 99% | 13588-95-9 Leu-Val-OH|06123|13588-95-9 https://www.jk-sci.com/products/s57c4x-172437 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b3daac3bedb5d8427c279de93d5a511e.jpg?v=1791374982 Paliperidone Impurity 37, 99.00% | 4403-49-0 Paliperidone Impurity 37|C4X-172437|4403-49-0 https://www.jk-sci.com/products/ts246cs-0050323 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1b746ca08cacbdba5c2ba4b80f45f6fa.jpg?v=1791338408 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid, 97% | 1159831-86-3 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid|CS-0050323|1159831-86-3 https://www.jk-sci.com/products/s57c4x-172444 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5328df3984db8aea280e35f7144df965.jpg?v=1791374981 Paliperidone Impurity 44, 99.20% | 118873-18-0 Paliperidone Impurity 44|C4X-172444|118873-18-0 https://www.jk-sci.com/products/ts246cs-0050541 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15d0c9c5f83cf198fd8aaefc7e8fa946.jpg?v=1791338286 5-Chloro-1H-pyrazol-3-amine, 95% | 916211-79-5 5-Chloro-1H-pyrazol-3-amine|CS-0050541|916211-79-5 https://www.jk-sci.com/products/j5306134 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8ddde0ee29deff701acd41a69664a7c5.jpg?v=1791416798 Ne-4-Nitro-Z-L-lysine, Assay ≥ 99% | 3557-90-2 Ne-4-Nitro-Z-L-lysine|06134|3557-90-2 https://www.jk-sci.com/products/s57c4x-172445 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e27f261557514d65dcea843410562b80.jpg?v=1791374976 Paliperidone Palmitate, 99.20% | 199739-10-1 Paliperidone Palmitate|C4X-172445|199739-10-1 https://www.jk-sci.com/products/s57c4x-17245 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b265f5f672dfe3eb58853fe521baa777.jpg?v=1791374977 Paliperidone Impurity 5, 93.00% | 152542-03-5 Paliperidone Impurity 5|C4X-17245|152542-03-5 https://www.jk-sci.com/products/ts246cs-0050975 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2912039c2dd38d6a7ddf903b3ffd526d.jpg?v=1791338048 4-Bromo-7-(trifluoromethyl)-1H-indazole, 98% | 1186334-79-1 4-Bromo-7-(trifluoromethyl)-1H-indazole|CS-0050975|1186334-79-1 https://www.jk-sci.com/products/ts246cs-0050640 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e10fb99a0a507fefca465b903440196b.jpg?v=1791338208 5-Bromo-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid, 98% | 846048-15-5 5-Bromo-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid|CS-0050640|846048-15-5 https://www.jk-sci.com/products/ts246cs-0050877 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edea2be8e97440401793593b26fa9164.jpg?v=1791338102 rel-(1R,6R)-6-(methoxycarbonyl)cyclohex-3-ene-1-carboxylic acid, 98% | 31139-03-4 rel-(1R,6R)-6-(methoxycarbonyl)cyclohex-3-ene-1-carboxylic acid|CS-0050877|31139-03-4 https://www.jk-sci.com/products/j5306154 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f8ea005b4f91bf4f7f7969ec03f72d4.jpg?v=1791416775 L-Ornithine methyl ester dihydrochloride, Assay by titration ≥ 99% || Chiral HPLC ≥ 99% (ee) | 40216-82-8 L-Ornithine methyl ester dihydrochloride|06154|40216-82-8 https://www.jk-sci.com/products/ts246cs-0051040 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b98c3fddec46aeb1bbf889d08801b70.jpg?v=1791337985 4-Amino-6-methylpyridine-3-carbonitrile, 98% | 886371-97-7 4-Amino-6-methylpyridine-3-carbonitrile|CS-0051040|886371-97-7 https://www.jk-sci.com/products/j5306172 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f3615759d5b40b727d5a326c19b380b6.jpg?v=1791416760 DL-4-Iodophenylalanine, Purity by HPLC ≥ 98% | 14173-41-2 DL-4-Iodophenylalanine|06172|14173-41-2 https://www.jk-sci.com/products/ts246cs-0051103 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1fe71225b7a1d76fc64df14162a9f84.jpg?v=1791337964 4,6-Dichloro-1-methyl-1h-pyrazolo[3,4-b]pyridine, 98% | 1227089-74-8 4,6-Dichloro-1-methyl-1h-pyrazolo[3,4-b]pyridine|CS-0051103|1227089-74-8 https://www.jk-sci.com/products/ts246cs-0051211 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5e437bc9bba64d4d2f30e6500a2158da.jpg?v=1791337910 (3R,4R)-rel-3-Methylpiperidin-4-ol hydrochloride, 97% | 955028-91-8 (3R,4R)-rel-3-Methylpiperidin-4-ol hydrochloride|CS-0051211|955028-91-8 https://www.jk-sci.com/products/j5306221 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5a81d9ebde27f7ca02b536f1b412726a.jpg?v=1791416710 b-Alanine ethyl ester hydrochloride, Purity ≥ 99% | 4244-84-2 b-Alanine ethyl ester hydrochloride|06221|4244-84-2 https://www.jk-sci.com/products/ts246cs-0051311 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/791392.png?v=1791337873 3-Iodo-4-methoxy-1H-pyrrolo[2,3-b]pyridine, 97.00%+ | 928653-75-2 3-Iodo-4-methoxy-1H-pyrrolo[2,3-b]pyridine|CS-0051311|928653-75-2 https://www.jk-sci.com/products/j5306185 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cebdb7422c0e3bfa2eca2c725f296c57.jpg?v=1791416745 H-Phe-Ser-OH, Purity by HPLC ≥ 95.5% | 16053-39-7 H-Phe-Ser-OH|06185|16053-39-7 https://www.jk-sci.com/products/j5306234 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/73067c0c5cbcafbeaa58381c4b29ee93.jpg?v=1791416691 b-tert-Butyl-L-alanine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 57224-50-7 b-tert-Butyl-L-alanine|06234|57224-50-7 https://www.jk-sci.com/products/j5306276 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4ee7f872ed222c8a3aed2fc2b7d968.jpg?v=1791416657 L-a-Aminoadipic acid d-tert-butyl ester, Purity ≥ 98% (NMR) | 201354-26-9 L-a-Aminoadipic acid d-tert-butyl ester|06276|201354-26-9 https://www.jk-sci.com/products/ts246cs-0051349 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/37affec5f266f43fb5daa5f34d0f98a0.jpg?v=1791337836 Pyrido[4,3-d]pyrimidin-4(3H)-one, 95% | 16952-64-0 Pyrido[4,3-d]pyrimidin-4(3H)-one|CS-0051349|16952-64-0 https://www.jk-sci.com/products/ts246cs-0051432 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/534682_ab6e67e7-f65d-42ce-9a78-f23a059d1146.png?v=1791337797 3-Bromopyridine-2,6-diamine, 97% | 54903-86-5 3-Bromopyridine-2,6-diamine|CS-0051432|54903-86-5 https://www.jk-sci.com/products/ts246cs-0051439 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bb5f0b90ad9155cf5835eec69c6c295f.jpg?v=1791337792 3-Bromoimidazo[1,2-a]pyrazin-8-amine, 96% | 117718-92-0 3-Bromoimidazo[1,2-a]pyrazin-8-amine|CS-0051439|117718-92-0 https://www.jk-sci.com/products/j5306294 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df373401088fc522b2076cd4bacbaf65.jpg?v=1791416630 Na-Boc-L-2,4-diaminobutyric acid, Purity by HPLC ≥ 98% | 25691-37-6 Na-Boc-L-2,4-diaminobutyric acid|06294|25691-37-6 https://www.jk-sci.com/products/j5306300 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4f8ac8ccbe6c5f408c62976184417b2d.jpg?v=1791416619 Na-Boc-Ng-Z-L-2,4-diaminobutyric acid dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 16947-89-0 Na-Boc-Ng-Z-L-2,4-diaminobutyric acid dicyclohexylammonium salt|06300|16947-89-0 https://www.jk-sci.com/products/ts246cs-0051471 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4acafe8292e3bb8977344c4d3b16a2a.jpg?v=1791337759 3-Bromo-4-methoxy-1H-pyrrolo[2,3-b]pyridine, 98% | 1053655-78-9 3-Bromo-4-methoxy-1H-pyrrolo[2,3-b]pyridine|CS-0051471|1053655-78-9 https://www.jk-sci.com/products/j5306333 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4395e06708da92c28b96ffc53caf8f1a.jpg?v=1791416574 N-1-Trityl-deamino-histidine, Assay ≥ 98% | 160446-35-5 N-1-Trityl-deamino-histidine|06333|160446-35-5 https://www.jk-sci.com/products/j5306309 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/96bf56930ebdf5b2233873791b4a6566.jpg?v=1791416605 Na-Fmoc-L-2,4-diaminobutyric acid, Assay by titration 97.5-100.0% || Purity by HPLC ≥ 99% | 161420-87-7 Na-Fmoc-L-2,4-diaminobutyric acid|06309|161420-87-7 https://www.jk-sci.com/products/ts246cs-0051500 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd3ff053c4fee292709d595e03f9f1f9.jpg?v=1791337744 3-Bromo-1-(oxan-2-yl)-1h-pyrazole, 98% | 1044270-96-3 3-Bromo-1-(oxan-2-yl)-1h-pyrazole|CS-0051500|1044270-96-3 https://www.jk-sci.com/products/j5306351 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/128c4c0b585df85a913081fb966ac769.jpg?v=1791416536 N-Methyl-O-methyl-L-tyrosine hydrochloride, Purity by HPLC ≥ 99% | 52939-33-0 N-Methyl-O-methyl-L-tyrosine hydrochloride|06351|52939-33-0 https://www.jk-sci.com/products/ts246cs-0051533 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/417be488079b7a788133d9471ccd85e1.jpg?v=1791337723 tert-Butyl 3-amino-9-azabicyclo[3.3.1]nonane-9-carboxylate, 97% | 202797-03-3 tert-Butyl 3-amino-9-azabicyclo[3.3.1]nonane-9-carboxylate|CS-0051533|202797-03-3 https://www.jk-sci.com/products/j5306366 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d4254d3440fee07ccefb03ad2eb1b263.jpg?v=1791416521 Sarcosine amide hydrochloride, Assay by titration ≥ 99% (on dried basis) | 5325-64-4 Sarcosine amide hydrochloride|06366|5325-64-4 https://www.jk-sci.com/products/ts246cs-0051592 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1faab3c726e5331ceb47e0b25873222c.jpg?v=1791337701 3,6-Dihydro-2h-pyran-4-carbonitrile, 97% | 105772-13-2 3,6-Dihydro-2h-pyran-4-carbonitrile|CS-0051592|105772-13-2 https://www.jk-sci.com/products/j5306375 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dc06cc25f867dda5428301ac339f84a8.jpg?v=1791416513 Z-3-(1-naphthyl)-L-alanine, Purity by HPLC ≥ 99% | 65365-15-3 Z-3-(1-naphthyl)-L-alanine|06375|65365-15-3 https://www.jk-sci.com/products/j5306379 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/270365410f4df32925ade36f2f99e585.jpg?v=1791416508 Z-a-aminoisobutyric acid, Purity by HPLC ≥ 99% | 15030-72-5 Z-a-aminoisobutyric acid|06379|15030-72-5 https://www.jk-sci.com/products/j5306403 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bff4e0f882ca8106f11cc1e27ff91f30.jpg?v=1791416494 Na-Z-L-asparagine tert-butyl ester | 25456-85-3 Na-Z-L-asparagine tert-butyl ester|06403|25456-85-3 https://www.jk-sci.com/products/j5306414 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7c52a52c9be096653f1e39e3f8d8f40d.jpg?v=1791416489 Z-L-Aspartic acid a-tert-butyl ester dicyclohexylammonium salt, Purity by HPLC ≥ 98% | 23632-70-4 Z-L-Aspartic acid a-tert-butyl ester dicyclohexylammonium salt|06414|23632-70-4 https://www.jk-sci.com/products/j5306425 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bb7613784c8740ae28bf417ef4b3f0a.jpg?v=1791416480 Na-Z-D-arginine hydrochloride, Purity by HPLC ≥ 98% | 113712-05-3 Na-Z-D-arginine hydrochloride|06425|113712-05-3 https://www.jk-sci.com/products/j5306418 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5aabda666f231cd92aa9afda79e24600.jpg?v=1791416485 Z-3-(1-naphthyl)-D-alanine, Purity by HPLC ≥ 99% | 96402-43-6 Z-3-(1-naphthyl)-D-alanine|06418|96402-43-6 https://www.jk-sci.com/products/ts246cs-0051648 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c08b29fc85f594432fae7c9f15c1c426.jpg?v=1791337666 3-(Trifluoromethyl)azetidine hydrochloride, 95% | 1221272-90-7 3-(Trifluoromethyl)azetidine hydrochloride|CS-0051648|1221272-90-7 https://www.jk-sci.com/products/ts246cs-0051744 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/131610.png?v=1791337627 3-(4-Chlorophenyl)-1,2-oxazole-5-carboxylic acid, 97% | 338982-11-9 3-(4-Chlorophenyl)-1,2-oxazole-5-carboxylic acid|CS-0051744|338982-11-9 https://www.jk-sci.com/products/j5306461 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/201606d0e13c11a475401e434c7e1deb.jpg?v=1791416428 Z-DL-leucine (oil), Purity by HPLC ≥ 98% | 3588-60-1 Z-DL-leucine (oil)|06461|3588-60-1 https://www.jk-sci.com/products/j5306446 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4b34ec4894fbe3a4b6f045373db41be4.jpg?v=1791416450 Z-D-phenylglycine, Purity by HPLC ≥ 99% | 17609-52-8 Z-D-phenylglycine|06446|17609-52-8 https://www.jk-sci.com/products/j5306430 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/98466622b9ce4c2488890d6648141997.jpg?v=1791416471 Z-D-glutamic acid a-benzyl ester, Purity by HPLC ≥ 98% | 65706-99-2 Z-D-glutamic acid a-benzyl ester|06430|65706-99-2 https://www.jk-sci.com/products/ts246cs-0051724 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a2000b2f74c8271d31534bd9b9ac9fa1.jpg?v=1791337633 3-(Benzylamino)oxetane-3-carbonitrile, 97% | 138650-20-1 3-(Benzylamino)oxetane-3-carbonitrile|CS-0051724|138650-20-1 https://www.jk-sci.com/products/j5306436 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e5c5a37846671d0bccd5e1d4de0579f.jpg?v=1791416461 Na,e-Z-L-Bis-D-lysine, Purity by HPLC ≥ 99% | 69677-02-7 Na,e-Z-L-Bis-D-lysine|06436|69677-02-7 https://www.jk-sci.com/products/j5306540 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/165318b1249f084a405ca9de4f326e8f.jpg?v=1791416389 Z-N-methyl-DL-alanine dicyclohexylammonium salt | 91738-83-9 Z-N-methyl-DL-alanine dicyclohexylammonium salt|06540|91738-83-9 https://www.jk-sci.com/products/j5306472 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04d5a3b15ef44a5107de9f210dc0fbdd.jpg?v=1791416423 Z-Glu-Gly-OH, Purity by HPLC ≥ 98% | 1634-89-5 Z-Glu-Gly-OH|06472|1634-89-5 https://www.jk-sci.com/products/j5306542 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb3f0d605b5a24e63846f20f36ad7c9d.jpg?v=1791416385 Z-b-tert-butyl-L-alanine·DCHA, Purity by HPLC ≥ 99% | 88319-45-3 Z-b-tert-butyl-L-alanine·DCHA|06542|88319-45-3 https://www.jk-sci.com/products/j5306560 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/587e7f09f230141b5b37291f454bf62a.jpg?v=1791416377 Z-L-proline tert-butyl ester, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 16881-39-3 Z-L-proline tert-butyl ester|06560|16881-39-3 https://www.jk-sci.com/products/j5306571 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/859b5ac73a3a004c0cca5ce4c397b93a.jpg?v=1791416368 Z-b-alanine N-hydroxysuccinimide ester, Assay ≥ 99% (Elemental analysis based on Carbon) | 53733-97-4 Z-b-alanine N-hydroxysuccinimide ester|06571|53733-97-4 https://www.jk-sci.com/products/j5306608 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e9cdcb2e49ae12ac990e36b41bdf1603.jpg?v=1791416351 L-Tryptophan tert-butyl ester hydrochloride, Titration Chloride content : ≤ 13% (AgNO3) | 16874-09-2 L-Tryptophan tert-butyl ester hydrochloride|06608|16874-09-2 https://www.jk-sci.com/products/ts246cs-0051831 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e4e7774f8456c5a98a59ddd4a089058d.jpg?v=1791337591 2-Methylpiperidine-2-carboxylic acid hydrochloride, 97% | 1094072-12-4 2-Methylpiperidine-2-carboxylic acid hydrochloride|CS-0051831|1094072-12-4 https://www.jk-sci.com/products/j5306622 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14a98e12a540a97a482c817f0d1dc881.jpg?v=1791416333 D-Proline ethyl ester hydrochloride, Purity ≥ 97% | 131477-20-8 D-Proline ethyl ester hydrochloride|06622|131477-20-8 https://www.jk-sci.com/products/j5306651 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/edc11e0cad0e19181bdf47015702957a.jpg?v=1791416327 Boc-D-proline methyl ester, Purity by HPLC ≥ 99% | 73323-65-6 Boc-D-proline methyl ester|06651|73323-65-6 https://www.jk-sci.com/products/j5306667 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0bfd6697bab42c8efab7f9154dd88e35.jpg?v=1791416318 Phthaloyl-L-alanine, Purity by HPLC ≥ 98% | 4192-28-3 Phthaloyl-L-alanine|06667|4192-28-3 https://www.jk-sci.com/products/j5306685 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5574e9662c27a8d067823608a23ad1f.jpg?v=1791416305 Z-glycinol, Purity by HPLC ≥ 99% | 77987-49-6 Z-glycinol|06685|77987-49-6 https://www.jk-sci.com/products/ts246cs-0051846 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5252a7ebf1e80f3f3dfffda8ba5b4b82.jpg?v=1791337581 2-Methyl-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole, 95.00%+ | 1204580-79-9 2-Methyl-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole|CS-0051846|1204580-79-9 https://www.jk-sci.com/products/ts246cs-0051895 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e2813f053952abfa9102ae352acd21e.jpg?v=1791337551 2-Hydroxy-4-(trifluoromethyl)benzaldehyde, 98% | 58914-34-4 2-Hydroxy-4-(trifluoromethyl)benzaldehyde|CS-0051895|58914-34-4 https://www.jk-sci.com/products/ts246cs-0051935 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b758cc0e71597450abd186d9a3efd63.jpg?v=1791337530 2-Chloro-6-hydroxybenzonitrile, 97% | 89999-90-6 2-Chloro-6-hydroxybenzonitrile|CS-0051935|89999-90-6 https://www.jk-sci.com/products/j5306703 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/331d4041de14f6d92476626c47b0d321.jpg?v=1791416284 O-Acetyl-L-tyrosine, Purity by HPLC ≥ 98% | 6636-22-2 O-Acetyl-L-tyrosine|06703|6636-22-2 https://www.jk-sci.com/products/j5306734 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/753491cb5f511c426c084439b85f3ab1.jpg?v=1791416271 Formyl-L-phenylalanine | 13200-85-6 Formyl-L-phenylalanine|06734|13200-85-6 https://www.jk-sci.com/products/j5306746 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2f9972c48b8470cbf552e8ea9fad96e7.jpg?v=1791416261 Fmoc-Gly-Pro-OH, Purity by HPLC ≥ 95% | 212651-48-4 Fmoc-Gly-Pro-OH|06746|212651-48-4 https://www.jk-sci.com/products/j5306756 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/93be8bef6fb7343702bd749c82efdc09_30a82a75-b549-4131-8509-c5153273344b.jpg?v=1791416255 4-Hydroxymethylated polystyrene, Bead Size 100 - 200 mesh || Substitution (meq/g) 3.0 - 4.0 mmol/g 4-Hydroxymethylated polystyrene|06756 https://www.jk-sci.com/products/j5306764 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/03b86dfe158376c81be1aea2304229b7.jpg?v=1791416251 3,4,6-Tri-O-acetyl-D-galactal, Purity by GC ≥ 99% | 4098-06-0 3,4,6-Tri-O-acetyl-D-galactal|06764|4098-06-0 https://www.jk-sci.com/products/j5306777 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/691a26f37297f2c972bb3ef3725944ce.jpg?v=1791416242 Boc-O-methyl-L-tyrosine methyl ester, Purity by HPLC ≥ 98% | 94790-24-6 Boc-O-methyl-L-tyrosine methyl ester|06777|94790-24-6 https://www.jk-sci.com/products/j5306795 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a0b3afd30fc231e422ac359580387d5.jpg?v=1791416233 Fmoc-L-isoleucine-2-chlorotrityl resin (0.2 - 1.0 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.2-1.0 Fmoc-L-isoleucine-2-chlorotrityl resin (0.2 - 1.0 meq/g, 200 - 400 mesh)|06795 https://www.jk-sci.com/products/j5306789 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c8f43f8c6127bcf73f2adea1ad5a41b2.jpg?v=1791416237 Na-Fmoc-Ng-trityl-L-asparagine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3-0.9 Na-Fmoc-Ng-trityl-L-asparagine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|06789 https://www.jk-sci.com/products/s57c4x-172461 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/481dd20b70a3ecb259ce5e808337e2f9.jpg?v=1791374971 Paliperidone Impurity 61, 90.80% | 1138463-56-5 Paliperidone Impurity 61|C4X-172461|1138463-56-5 https://www.jk-sci.com/products/ts246cs-0051953 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8605bd72c26536891957cc7a4928bb68.jpg?v=1791337516 2-Chloro-5-fluoropyridine-3-carbonitrile, 98% | 791644-48-9 2-Chloro-5-fluoropyridine-3-carbonitrile|CS-0051953|791644-48-9 https://www.jk-sci.com/products/ts246cs-0049675 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/378216.png?v=1791338713 cis-4-Hydroxycyclohexanecarboxylic acid, 97% | 3685-22-1 cis-4-Hydroxycyclohexanecarboxylic acid|CS-0049675|3685-22-1 https://www.jk-sci.com/products/ts246cs-0050774 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/449a32bb1be8a3ae7d09f03d99cd495f.jpg?v=1791338149 5-(3,3-Dimethylcyclobutyl)-1H-pyrazol-3-amine, 95% | 1853338-91-6 5-(3,3-Dimethylcyclobutyl)-1H-pyrazol-3-amine|CS-0050774|1853338-91-6 https://www.jk-sci.com/products/ts246cs-0051024 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c24c2a21745d69d45faeaff4a25ad623.jpg?v=1791337997 4-Bromo-1,1-difluorocyclohexane, 98% | 1196156-51-0 4-Bromo-1,1-difluorocyclohexane|CS-0051024|1196156-51-0 https://www.jk-sci.com/products/ts246cs-0050472 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f8b3d7c56ffc3c73c71c90ad3e4b8122.jpg?v=1791338335 5-Fluorothiophene-2-carbonitrile, 98% | 32415-91-1 5-Fluorothiophene-2-carbonitrile|CS-0050472|32415-91-1 https://www.jk-sci.com/products/s57c4x-172467 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_91d158ad-1857-490d-a12f-7ee97bba9ec5.png?v=1791374966 Paliperidone Impurity 67, Purity: 99.3% Paliperidone Impurity 67|C4X-172467 https://www.jk-sci.com/products/ts246cs-0051136 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/329565.png?v=1791337948 4-Isopropoxyaniline, 97% | 7664-66-6 4-Isopropoxyaniline|CS-0051136|7664-66-6 https://www.jk-sci.com/products/s57c4x-172479 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0befb3cce3de73a547ea45ba96a9bcb.jpg?v=1791374964 Paliperidone Impurity 79, 99.50% | 2416230-38-9 Paliperidone Impurity 79|C4X-172479|2416230-38-9 https://www.jk-sci.com/products/j5306804 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eac4b2aa3d1a542cd1a29037a74fe5d3.jpg?v=1791416224 Na-Fmoc-L-tryptophan-2-chlorotrityl resin (0.3 - 0.8 meq/g, 200 - 400 mesh), Mesh Size 200-400 mesh || Substitution (meq/g) 0.3-0.8 meq/g Na-Fmoc-L-tryptophan-2-chlorotrityl resin (0.3 - 0.8 meq/g, 200 - 400 mesh)|06804 https://www.jk-sci.com/products/j5304150 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101c52fc15f42fafdc769969f73cdb4c.jpg?v=1791418647 D-4-Iodophenylalanine, Purity by HPLC ≥ 98% | 62561-75-5 D-4-Iodophenylalanine|04150|62561-75-5 https://www.jk-sci.com/products/ts246cs-0051336 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/738640d018cf49df4c28540353bd9e73.jpg?v=1791337846 3-Hydroxycyclobutane-1-carbonitrile, 97% | 20249-17-6 3-Hydroxycyclobutane-1-carbonitrile|CS-0051336|20249-17-6 https://www.jk-sci.com/products/ts246cs-0051431 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/336918_d4f22431-9adf-4940-9123-1278c7fd0de5.png?v=1791337801 3-Bromoquinolin-4-ol, 97% | 64965-47-5 3-Bromoquinolin-4-ol|CS-0051431|64965-47-5 https://www.jk-sci.com/products/s57c4x-172499 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_6abe31ac-a8d0-4a5e-9ab2-98d0f061c4ed.png?v=1791374960 Paliperidone Impurity 99, 96.40% Paliperidone Impurity 99|C4X-172499 https://www.jk-sci.com/products/j5305128 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/701b008dea1f02f18055d38a21cb3614.jpg?v=1791417771 Fmoc-L-homotyrosine, Purity by HPLC ≥ 98% | 198560-10-0 Fmoc-L-homotyrosine|05128|198560-10-0 https://www.jk-sci.com/products/s57c4x-172519 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/590399_194ff988-a35b-4ebe-b7a0-5a3db44bd429.png?v=1791374954 Pazopanib Impurity 19, 99.20% | 6973-09-7 Pazopanib Impurity 19|C4X-172519|6973-09-7 https://www.jk-sci.com/products/ts246cs-0051467 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/78fd3d4a08a4844f9742686ed59b7a95.jpg?v=1791337763 3-Bromo-5-fluoro-1H-pyrazolo[3,4-b]pyridine, 98.00%+ | 1256822-80-6 3-Bromo-5-fluoro-1H-pyrazolo[3,4-b]pyridine|CS-0051467|1256822-80-6 https://www.jk-sci.com/products/ts246cs-0051528 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/35ebd87ed603f26dfe42276c4f72d079.jpg?v=1791337728 Ethyl 3-benzyl-3-azabicyclo[3.1.0]hexane-1-carboxylate, 95% | 63618-07-5 Ethyl 3-benzyl-3-azabicyclo[3.1.0]hexane-1-carboxylate|CS-0051528|63618-07-5 https://www.jk-sci.com/products/s57c4x-172524 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb16ecf134ba1c3c918c031d6e29c717.jpg?v=1791374949 Pazopanib Impurity 24, Purity: 98.0% | 444731-74-2 Pazopanib Impurity 24|C4X-172524|444731-74-2 https://www.jk-sci.com/products/ts246cs-0051608 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/917b372952d99988adc94bf8db595ac0.jpg?v=1791337686 3,4-Dichloropyridin-2-amine, 98% | 188577-69-7 3,4-Dichloropyridin-2-amine|CS-0051608|188577-69-7 https://www.jk-sci.com/products/j5305479 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f8e9169524ea8c8990fe2106a2070fe.jpg?v=1791417480 Boc-D-aspartic acid, Purity by HPLC ≥ 99% | 62396-48-9 Boc-D-aspartic acid|05479|62396-48-9 https://www.jk-sci.com/products/j5305605 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c762d10932d8e70d4b74e955e5571b11.jpg?v=1791417326 Boc-b-cyano-L-alanine, Purity ≥ 98% | 45159-34-0 Boc-b-cyano-L-alanine|05605|45159-34-0 https://www.jk-sci.com/products/s57c4x-172538 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cf645c269bc035609e8a65483d804fb8.jpg?v=1791374949 Pazopanib Impurity 38, Purity: 99.7% | 1252927-47-1 Pazopanib Impurity 38|C4X-172538|1252927-47-1 https://www.jk-sci.com/products/ts246cs-0051726 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8e6eee15b6a229249644f7daa9eb939.jpg?v=1791337632 3-(Aminomethyl)oxetan-3-ol, 97% | 1305208-47-2 3-(Aminomethyl)oxetan-3-ol|CS-0051726|1305208-47-2 https://www.jk-sci.com/products/s57c4x-17255 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/254ddea926a2b7200bed03f7ba11513f.jpg?v=1791374938 Pazopanib Impurity 5, 99.50% | 1226499-97-3 Pazopanib Impurity 5|C4X-17255|1226499-97-3 https://www.jk-sci.com/products/ts246cs-0051833 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3f42caea49578d77fdddebc1f8fd082.jpg?v=1791337586 2-Methyloxetan-3-one, 98% | 87385-83-9 2-Methyloxetan-3-one|CS-0051833|87385-83-9 https://www.jk-sci.com/products/ts246cs-0051910 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6aaf0be3e2983b51e951a261f467fdd5.jpg?v=1791337547 2-Ethylpyrimidin-5-amine, 97% | 1152519-74-8 2-Ethylpyrimidin-5-amine|CS-0051910|1152519-74-8 https://www.jk-sci.com/products/s57c4x-17259 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e076a1fe25c6f0f9716cf4097b043eaf.jpg?v=1791374938 Pazopanib Impurity 9, 99.80% | 444731-72-0 Pazopanib Impurity 9|C4X-17259|444731-72-0 https://www.jk-sci.com/products/ts246cs-0051991 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7db8d2b6da85d2ef4bea187759386c0e.jpg?v=1791337498 2-Bromo-5-methylpyrazine, 96% | 98006-90-7 2-Bromo-5-methylpyrazine|CS-0051991|98006-90-7 https://www.jk-sci.com/products/ts246cs-0051977 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3c624d7d625c5a105dea97bc5f6b12e4.jpg?v=1791337504 2-Chloro-3,5-diiodopyridin-4-amine, 96.55%+ | 1171919-00-8 2-Chloro-3,5-diiodopyridin-4-amine|CS-0051977|1171919-00-8 https://www.jk-sci.com/products/s57c4x-163331 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_24fedbbb-c678-4f14-bae0-72f1ffe3dcce.png?v=1791376038 Ertapenem Impurity 31, 90.60% Ertapenem Impurity 31|C4X-163331 https://www.jk-sci.com/products/ts246cs-0052117 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/121043377cc8c72b49592e4e560f0c3b.jpg?v=1791337440 (S)-2-(Pyrrolidin-3-yl)acetic acid, 97% | 122442-02-8 (S)-2-(Pyrrolidin-3-yl)acetic acid|CS-0052117|122442-02-8 https://www.jk-sci.com/products/ts246cs-0052007 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3a44b946c80f84dfef3bc63bba5f94f.jpg?v=1791337487 2-Bromo-3,5,6-trifluoropyridine, 98% | 1186194-66-0 2-Bromo-3,5,6-trifluoropyridine|CS-0052007|1186194-66-0 https://www.jk-sci.com/products/ts246cs-0052004 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/64e91f8c4521f1f0e5f557da7074c56d.jpg?v=1791337489 2-Bromo-4-chloro-3-methylpyridine, 96% | 1211521-46-8 2-Bromo-4-chloro-3-methylpyridine|CS-0052004|1211521-46-8 https://www.jk-sci.com/products/s57c4x-172621 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5cdd817cc48a7fa805dcf91b08f929ec.jpg?v=1791374927 Pemetrexed Impurity 21, 92.20% | 1001-19-0 Pemetrexed Impurity 21|C4X-172621|1001-19-0 https://www.jk-sci.com/products/s57c4x-154248 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/965f2ae130ac82f6fe788a5aaeebf4e5.jpg?v=1791376682 Amorolfine Impurity 48, 96.80% | 860556-27-0 Amorolfine Impurity 48|C4X-154248|860556-27-0 https://www.jk-sci.com/products/ts246cs-0052055 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25ac9615bc39ad814667dd14e9333ff4.jpg?v=1791337466 2-Amino-5-bromo-4-methylpyridine-3-carbonitrile, 96% | 180994-87-0 2-Amino-5-bromo-4-methylpyridine-3-carbonitrile|CS-0052055|180994-87-0 https://www.jk-sci.com/products/j5305781 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ef50c2c014d1299c8e283bf12f1c6a9.jpg?v=1791417122 DL-a-Methylproline hydrobromide, Purity ≥ 98% (NMR) | 1346136-61-5 DL-a-Methylproline hydrobromide|05781|1346136-61-5 https://www.jk-sci.com/products/ts246cs-0052336 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d94644b008262db6570b1a836e6b6545.jpg?v=1791337348 2-((((Benzyloxy)carbonyl)amino)methyl)thiazole-5-carboxylic acid, 98% | 1095823-37-2 2-((((Benzyloxy)carbonyl)amino)methyl)thiazole-5-carboxylic acid|CS-0052336|1095823-37-2 https://www.jk-sci.com/products/s57c4x-162913 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/404850_576fc332-b9fd-4dd2-8d16-02809cdb86fb.png?v=1791376110 Entacapone EP Impurity A (cis-Entacapone), 98.20% | 145195-63-7 Entacapone EP Impurity A (cis-Entacapone)|C4X-162913|145195-63-7 https://www.jk-sci.com/products/s57c4x-164615 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f94a5fadc83abfc62dee64f40c8cc48_e6b00d0a-1219-493e-8546-2ecf42a660d2.jpg?v=1791375981 Fingolimod Impurity 15, Purity: 100.0% | 374077-88-0 Fingolimod Impurity 15|C4X-164615|374077-88-0 https://www.jk-sci.com/products/s57c4x-172611 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49233d24759f50dce1dc7dba501d9938.jpg?v=1791374933 Pemetrexed Impurity 11, Purity: 99.4% | 778-29-0 Pemetrexed Impurity 11|C4X-172611|778-29-0 https://www.jk-sci.com/products/ts246cs-0052362 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fb7181a86e5be06d74ac41ac9669a2cd.jpg?v=1791337330 1-tert-Butyl 4-ethyl 4-(aminomethyl)piperidine-1,4-dicarboxylate, 95% | 1016258-69-7 1-tert-Butyl 4-ethyl 4-(aminomethyl)piperidine-1,4-dicarboxylate|CS-0052362|1016258-69-7 https://www.jk-sci.com/products/s57c4x-16079 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e058fc4e20025ea1717631ce0c4500d1_ffc7dc3f-6147-4ddf-a698-39d0985adc28.jpg?v=1791376245 Dasatinib Dichloro Impurity, 92.70% | 302964-08-5 Dasatinib Dichloro Impurity|C4X-16079|302964-08-5 https://www.jk-sci.com/products/s57c4x-165043 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/244d8cb7c886e24e51cf578851f8ebbe.jpg?v=1791375918 Fluticasone Propionate CP Impurity X, 98.60% | 1648562-63-3 Fluticasone Propionate CP Impurity X|C4X-165043|1648562-63-3 https://www.jk-sci.com/products/j5306019 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9fa89bf0c04948fe68a3ab57aa26b14.jpg?v=1791416900 3-(2-Naphthyl)-DL-alanine, Purity by HPLC ≥ 98% | 14108-60-2 3-(2-Naphthyl)-DL-alanine|06019|14108-60-2 https://www.jk-sci.com/products/ts246cs-0052392 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db76255616f3f2c1fd79c16bf063ee2f.jpg?v=1791337325 1-tert-Butyl 2-methyl (2S,3R)-3-hydroxypyrrolidine-1,2-dicarboxylate, 97% | 130966-46-0 1-tert-Butyl 2-methyl (2S,3R)-3-hydroxypyrrolidine-1,2-dicarboxylate|CS-0052392|130966-46-0 https://www.jk-sci.com/products/s57c4x-16207 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef1002191bcab6805baf67447dc5be3e.jpg?v=1791376180 Dolutegravir Sodium Salt, 95.40% | 1051375-19-9 Dolutegravir Sodium Salt|C4X-16207|1051375-19-9 https://www.jk-sci.com/products/j5305942 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c2441d6badaae638bc18f5f4bb56559.jpg?v=1791416981 D-Aspartic acid b-methyl ester hydrochloride, Assay ≥ 99% | 21394-81-0 D-Aspartic acid b-methyl ester hydrochloride|05942|21394-81-0 https://www.jk-sci.com/products/s57c4x-156617 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/87fcc5759cb3f899ae03125402827d03.jpg?v=1791376545 Brimonidine Impurity 17, 92.70% | 134892-47-0 Brimonidine Impurity 17|C4X-156617|134892-47-0 https://www.jk-sci.com/products/s57c4x-15862 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23c6f6b1e571a3bcfc282650b1c54cd5.jpg?v=1791376412 Cholecalciferol EP Impurity B, 95.70% | 434-16-2 Cholecalciferol EP Impurity B|C4X-15862|434-16-2 https://www.jk-sci.com/products/ts246cs-0052166 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3c4bc408a5e0ceba1704d93cffb1de4.jpg?v=1791337404 2,4-Dichloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one, 98% | 1520452-96-3 2,4-Dichloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one|CS-0052166|1520452-96-3 https://www.jk-sci.com/products/ts246cs-0052227 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c9b139aa25335b215abfccda7788a37c.jpg?v=1791337376 2-(Iodomethyl)oxetane, 98% | 121138-00-9 2-(Iodomethyl)oxetane|CS-0052227|121138-00-9 https://www.jk-sci.com/products/j5305723 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1e4a16a11080b720bd7ca273c96edc5.jpg?v=1791417204 Fmoc-S-trityl-L-homocysteine, Purity by HPLC ≥ 97% | 167015-23-8 Fmoc-S-trityl-L-homocysteine|05723|167015-23-8 https://www.jk-sci.com/products/ts246cs-0052486 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/570e00c58f61f1a7b18fcbe97cb4ccb8.jpg?v=1791337266 1-Methanesulfonyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine, 96% | 1382137-67-8 1-Methanesulfonyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine|CS-0052486|1382137-67-8 https://www.jk-sci.com/products/ts246cs-0050955 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44883502206c0cddef62a21aa30c69b1.jpg?v=1791338062 4-Chloro-1,6-naphthyridine, 97% | 6861-84-3 4-Chloro-1,6-naphthyridine|CS-0050955|6861-84-3 https://www.jk-sci.com/products/s57c4x-166916 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b90ba99758d4b60195a754efbc5edf5d.jpg?v=1791375768 (R)-Ketorolac, 99.90% | 66635-93-6 (R)-Ketorolac|C4X-166916|66635-93-6 https://www.jk-sci.com/products/s57c4x-16641 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/455201_48f554c2-ee0c-45ad-af72-619f7abeb9f8.png?v=1791375848 Iohexol EP Impurity A, 97.40% | 31127-80-7 Iohexol EP Impurity A|C4X-16641|31127-80-7 https://www.jk-sci.com/products/s57c4x-167215 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/264071_79ffbe38-5eb6-4dcf-a67d-92040c54ffda.png?v=1791375738 Lamotrigine Impurity 15, 99.20% | 50-45-3 Lamotrigine Impurity 15|C4X-167215|50-45-3 https://www.jk-sci.com/products/j5306107 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5ccf18b666724618a0ad4e7f21a15279.jpg?v=1791416818 Ile-Ile-OH, Purity by HPLC ≥ 98% | 42537-99-5 Ile-Ile-OH|06107|42537-99-5 https://www.jk-sci.com/products/ts246cs-0052495 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e6c66b7cf9315949cb50567e99a838a3.jpg?v=1791337249 1H-Pyrrolo[2,3-c]pyridine-5-carbonitrile, 97% | 1082041-09-5 1H-Pyrrolo[2,3-c]pyridine-5-carbonitrile|CS-0052495|1082041-09-5 https://www.jk-sci.com/products/s57c4x-167617 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/780dc59ee9a8c44199d032c284cc2b9b.jpg?v=1791375701 Levodopa Impurity 17, 97.20% | 27313-65-1 Levodopa Impurity 17|C4X-167617|27313-65-1 https://www.jk-sci.com/products/s57c4x-16661 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/47530bb7f250f20d5430243858f79f8e.jpg?v=1791375815 Irbesartan EP Impurity A, 98.80% | 748812-53-5 Irbesartan EP Impurity A|C4X-16661|748812-53-5 https://www.jk-sci.com/products/s57c4x-165414 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/332385_b4356e93-0938-4b28-8cf1-0c2b3b8018b1.png?v=1791375889 Gabapentin Impurity 14, Purity: 99.2% | 99189-60-3 Gabapentin Impurity 14|C4X-165414|99189-60-3 https://www.jk-sci.com/products/ts246cs-0050192 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/992cdcba594686785fdc55ba1987230d.jpg?v=1791338505 6-Hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, 97% | 76824-99-2 6-Hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid|CS-0050192|76824-99-2 https://www.jk-sci.com/products/ts246cs-0052526 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/63f3324e00833e16665c547603a6b221.jpg?v=1791337234 3,4-Dinitro-1H-pyrazole, 96% | 38858-92-3 3,4-Dinitro-1H-pyrazole|CS-0052526|38858-92-3 https://www.jk-sci.com/products/j5306050 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1097612e5a5763e7d83703b7201699b.jpg?v=1791416868 Glu-Gly-OH, Purity ≥ 99% | 13716-89-7 Glu-Gly-OH|06050|13716-89-7 https://www.jk-sci.com/products/ts246cs-0052541 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/38587e56681b41439fa52fbb3f34f159.jpg?v=1791337222 (1H-Indazol-7-yl)methanol, 98% | 1092961-09-5 (1H-Indazol-7-yl)methanol|CS-0052541|1092961-09-5 https://www.jk-sci.com/products/s57c4x-167922 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7203caf0e5cf321bb9a6adb9f4ab0c6d.jpg?v=1791375593 Lidocaine Impurity 22, Purity: 98.2% | 17122-33-7 Lidocaine Impurity 22|C4X-167922|17122-33-7 https://www.jk-sci.com/products/ts246cs-0051261 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/389629.png?v=1791337888 3-Methyl-3,8-diazabicyclo[3.2.1]octane dihydrochloride, 97% | 52407-92-8 3-Methyl-3,8-diazabicyclo[3.2.1]octane dihydrochloride|CS-0051261|52407-92-8 https://www.jk-sci.com/products/s57c4x-16772 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b56e168a3de0b81d3d461ea2ca4120ba.jpg?v=1791375669 Levonorgestrel EP Impurity B, 97.90% | 19914-67-1 Levonorgestrel EP Impurity B|C4X-16772|19914-67-1 https://www.jk-sci.com/products/ts246cs-0051436 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8e23c2f530041eeaecb4169e05e7c855.jpg?v=1791337797 3-Bromoimidazo[1,2-a]pyridine-8-carboxylic acid, 97.00%+ | 1116691-26-9 3-Bromoimidazo[1,2-a]pyridine-8-carboxylic acid|CS-0051436|1116691-26-9 https://www.jk-sci.com/products/s57c4x-168324 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546620_d8522bf6-6561-4095-a422-8775b32b39b5.png?v=1791375506 Losartan potassium, 98.40% | 124750-99-8 Losartan potassium|C4X-168324|124750-99-8 https://www.jk-sci.com/products/s57c4x-16831 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/209597_0d2f7822-308f-4ba0-b664-0bd9962f60a4.png?v=1791375534 Losartan Impurity 1, 100.00% | 79047-41-9 Losartan Impurity 1|C4X-16831|79047-41-9 https://www.jk-sci.com/products/s57c4x-16841 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/476082_f38161d7-51aa-46a9-adc1-161f7232466f.png?v=1791375488 Lovastatin EP Impurity A, 97.90% | 73573-88-3 Lovastatin EP Impurity A|C4X-16841|73573-88-3 https://www.jk-sci.com/products/j5306175 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6710ddf00b69a6b4e130044110f1066.jpg?v=1791416754 S-Trityl-L-penicillanine, Purity by HPLC ≥ 98% | 135681-66-2 S-Trityl-L-penicillanine|06175|135681-66-2 https://www.jk-sci.com/products/s57c4x-16906 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e1010d95d61087ab5538bf5a0fe07e12.jpg?v=1791375477 Meloxicam EP Impurity D, 98.90% | 1331636-17-9 Meloxicam EP Impurity D|C4X-16906|1331636-17-9 https://www.jk-sci.com/products/j5306143 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/23a832274e0a47f84b112cdda7d04393.jpg?v=1791416792 L-Norvaline amide hydrochloride, Purity by HPLC ≥ 99% | 101925-47-7 L-Norvaline amide hydrochloride|06143|101925-47-7 https://www.jk-sci.com/products/s57c4x-16944 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0371d57bef8195d28d5efcc1ab1a3432.jpg?v=1791375455 Prednisone EP Impurity C, 92.80% | 70522-55-3 Prednisone EP Impurity C|C4X-16944|70522-55-3 https://www.jk-sci.com/products/s57c4x-169619 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ed7ab60308359d6ffbc85e914e841965.jpg?v=1791375438 LCZ-696 Impurity 19(R,R), 99.30% | 1012341-56-8 LCZ-696 Impurity 19(R,R)|C4X-169619|1012341-56-8 https://www.jk-sci.com/products/s57c4x-169663 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_f530bfc2-d028-44c3-a62a-7f471d5e9f28.png?v=1791375398 LCZ-696 Impurity 63, 99.50% LCZ-696 Impurity 63|C4X-169663 https://www.jk-sci.com/products/s57c4x-169940 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccab9b267ef972d73ca74833117d9157.jpg?v=1791375342 Tigecycline/Minocycline Impurity 40, 99.90% | 6939-24-8 Tigecycline/Minocycline Impurity 40|C4X-169940|6939-24-8 https://www.jk-sci.com/products/ts246cs-0052044 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3740c32b526ba040c52018677ad346d9.jpg?v=1791337471 tert-Butyl 5-amino-2-azabicyclo[2.2.1]heptane-2-carboxylate, 97% | 207405-62-7 tert-Butyl 5-amino-2-azabicyclo[2.2.1]heptane-2-carboxylate|CS-0052044|207405-62-7 https://www.jk-sci.com/products/s57c4x-169910 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/75f8aebfad2a1b109b586594aab26899.jpg?v=1791375365 Minocycline EP Impurity I, 92.70% | 5874-95-3 Minocycline EP Impurity I|C4X-169910|5874-95-3 https://www.jk-sci.com/products/ts246cs-0051830 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/623022_16040e74-133c-449c-8efe-d98e5d21efe7.png?v=1791337591 3-Cyano-2-methylpyridine, 98% | 1721-23-9 3-Cyano-2-methylpyridine|CS-0051830|1721-23-9 https://www.jk-sci.com/products/ts246cs-0052003 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/82a64f4f58f8a6b724257f76e5cae1c5.jpg?v=1791337494 2-Bromo-4-chloropyridine-3-carbaldehyde, 98% | 1289197-78-9 2-Bromo-4-chloropyridine-3-carbaldehyde|CS-0052003|1289197-78-9 https://www.jk-sci.com/products/s57c4x-169640 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d320ecb37f235ba73631caed3545257b_5b2fd970-0fd0-4cb1-921a-c44c9eb9b05c.jpg?v=1791375413 LCZ-696 Intermediate 40, 99.70% | 1012341-50-2 LCZ-696 Intermediate 40|C4X-169640|1012341-50-2 https://www.jk-sci.com/products/ts246cs-0051950 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0864638f24cc23b2873908f0fe110f21.jpg?v=1791337520 2-Chloro-5H,6H,7H-pyrrolo[3,4-b]pyridine hydrochloride, 98% | 1841081-37-5 2-Chloro-5H,6H,7H-pyrrolo[3,4-b]pyridine hydrochloride|CS-0051950|1841081-37-5 https://www.jk-sci.com/products/s57c4x-169684 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/466174_da98a4c1-c176-4ddd-9ff7-1ed9327e6ed2.png?v=1791375381 LCZ-696 Impurity 84, 95.40% | 5717-37-3 LCZ-696 Impurity 84|C4X-169684|5717-37-3 https://www.jk-sci.com/products/ts246cs-0051553 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f0cd2c1ee7c7fa924e462072d5d21f6.jpg?v=1791337719 3-Amino-1-[(tert-butoxy)carbonyl]azetidine-3-carboxylic acid, 97.00%+ | 1262412-13-4 3-Amino-1-[(tert-butoxy)carbonyl]azetidine-3-carboxylic acid|CS-0051553|1262412-13-4 https://www.jk-sci.com/products/ts246cs-0052129 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a73c5da22342c9060d075f948407c9c.jpg?v=1791337435 2,7-Diazaspiro[3.5]nonane dihydrochloride, 97% | 1334499-85-2 2,7-Diazaspiro[3.5]nonane dihydrochloride|CS-0052129|1334499-85-2 https://www.jk-sci.com/products/j5306232 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c713e061c8e32dbb5493c985b4034b1a.jpg?v=1791416696 b-Cyclopentyl-DL-alanine | 96539-87-6 b-Cyclopentyl-DL-alanine|06232|96539-87-6 https://www.jk-sci.com/products/s57c4x-170034 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ce5977e6-c86f-445f-94de-a1e24d825540.png?v=1791375329 Minoxidil Impurity 34, 98.00% | 2889432-05-5 Minoxidil Impurity 34|C4X-170034|2889432-05-5 https://www.jk-sci.com/products/j5306292 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e7df2b8fe0890af6037c03c7d1fc46d.jpg?v=1791416634 Na-Boc-D-2,4-diaminobutyric acid, Purity by HPLC ≥ 99% | 80445-78-9 Na-Boc-D-2,4-diaminobutyric acid|06292|80445-78-9 https://www.jk-sci.com/products/ts246cs-0052331 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/562b64b4e66581003aa0d5480fb18ea8.jpg?v=1791337347 2-(1-((tert-Butoxycarbonyl)amino)cyclobutyl)acetic acid, 97% | 249762-02-5 2-(1-((tert-Butoxycarbonyl)amino)cyclobutyl)acetic acid|CS-0052331|249762-02-5 https://www.jk-sci.com/products/ts246cs-0052365 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/169a31f3d14ac3ec9496037f66be0e6e.jpg?v=1791337330 1-tert-Butyl 3-methyl 4-methylpiperidine-1,3-dicarboxylate, 97% | 1201192-62-2 1-tert-Butyl 3-methyl 4-methylpiperidine-1,3-dicarboxylate|CS-0052365|1201192-62-2 https://www.jk-sci.com/products/s57c4x-170415 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7ca3e95848921c3dc38710218af7bae0_c7017f9d-3f5a-42ee-9f0c-1eb6d503a21b.jpg?v=1791375305 Mometasone Furoate EP Impurity O, 96.70% | 24916-91-4 Mometasone Furoate EP Impurity O|C4X-170415|24916-91-4 https://www.jk-sci.com/products/ts246cs-0052490 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ec316eac0a4d6850e1aeaf1bd7d1996b.jpg?v=1791337260 1H-Pyrrolo[3,2-c]pyridine-4-carbonitrile, 97% | 1040682-68-5 1H-Pyrrolo[3,2-c]pyridine-4-carbonitrile|CS-0052490|1040682-68-5 https://www.jk-sci.com/products/ts246cs-0052540 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/302ec1d8a2185b3147354322f5c6d90c.jpg?v=1791337224 3-Bromo-5-(trifluoromethyl)-1H-indazole, 98% | 1086378-32-6 3-Bromo-5-(trifluoromethyl)-1H-indazole|CS-0052540|1086378-32-6 https://www.jk-sci.com/products/s57c4x-17049 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_1e83fe23-b4a9-42b6-8600-525c42bbd14f.png?v=1791375269 Mometasone Furoate EP Impurity J, 97.20% Mometasone Furoate EP Impurity J|C4X-17049 https://www.jk-sci.com/products/s57c4x-17043 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/369008_72b2a51c-1e1a-4b99-a04d-15e759bf9a17.png?v=1791375284 Mometasone Furoate EP Impurity G, 91.00% | 105102-22-5 Mometasone Furoate EP Impurity G|C4X-17043|105102-22-5 https://www.jk-sci.com/products/j5306306 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/04a626b16ab7dae2056d8e8ef6e0b94d.jpg?v=1791416609 Na-Boc-Nb-Z-D-2,3-diaminopropionic acid dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 81306-94-7 Na-Boc-Nb-Z-D-2,3-diaminopropionic acid dicyclohexylammonium salt|06306|81306-94-7 https://www.jk-sci.com/products/ts246cs-0052549 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/71ea598c970cd5a4badd670511e3ca15.jpg?v=1791337217 2-(tert-Butyl)-1H-imidazole, 97% | 36947-69-0 2-(tert-Butyl)-1H-imidazole|CS-0052549|36947-69-0 https://www.jk-sci.com/products/ts246cs-0052574 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/95a05b10dbe24a35605cac2f769f466a.jpg?v=1791337194 1-Cyclopropylpropan-1-amine hydrochloride, 97% | 677743-70-3 1-Cyclopropylpropan-1-amine hydrochloride|CS-0052574|677743-70-3 https://www.jk-sci.com/products/s57c4x-17069 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34db1b8e37c3b7d71ed321c0671744fe.jpg?v=1791375256 Mupirocin EP Impurity D, 98.30% | 71087-97-3 Mupirocin EP Impurity D|C4X-17069|71087-97-3 https://www.jk-sci.com/products/ts246cs-0052708 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7366a2aa4c1751a311e936676e566bf.jpg?v=1791337131 1-[(Benzyloxy)carbonyl]-3-methylpiperidine-3-carboxylic acid, 96% | 174543-78-3 1-[(Benzyloxy)carbonyl]-3-methylpiperidine-3-carboxylic acid|CS-0052708|174543-78-3 https://www.jk-sci.com/products/ts246cs-0052674 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/58ce5e6cac3a239f48f520ee7643c618.jpg?v=1791337147 1-[4-(Hydroxymethyl)piperidin-1-yl]ethan-1-one, 97% | 846057-27-0 1-[4-(Hydroxymethyl)piperidin-1-yl]ethan-1-one|CS-0052674|846057-27-0 https://www.jk-sci.com/products/s57c4x-170822 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/92cb1260488de6f815d2a4ca85305063_02f002b4-9855-4f8d-895e-fee0ec50cc4e.jpg?v=1791375240 Naproxen EP Impurity B, 99.30% | 89617-86-7 Naproxen EP Impurity B|C4X-170822|89617-86-7 https://www.jk-sci.com/products/j5306346 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1fb1557688ca1648f8372939b0256361.jpg?v=1791416546 Na-Methyl-L-histidine hydrochloride | 17451-62-6 Na-Methyl-L-histidine hydrochloride|06346|17451-62-6 https://www.jk-sci.com/products/j5306368 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bd7e16347da324603f768d1505a21085.jpg?v=1791416518 Sarcosine benzyl ester 4-toluenesulfonate salt, Assay ≥ 98% | 54384-06-4 Sarcosine benzyl ester 4-toluenesulfonate salt|06368|54384-06-4 https://www.jk-sci.com/products/j5306398 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ee927c2cc77310d8039218753581132.jpg?v=1791416503 Na-Z-Nw-(4-methoxybenzenesulfonyl)-L-arginine dicyclohexylammonium salt, Purity by HPLC ≥ 98% | 58810-11-0 Na-Z-Nw-(4-methoxybenzenesulfonyl)-L-arginine dicyclohexylammonium salt|06398|58810-11-0 https://www.jk-sci.com/products/s57c4x-170829 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2391d77ed0adeb4e5b7900d6b90fa2a6.jpg?v=1791375228 Naproxen Impurity 29, Purity: 96.2% | 17056-94-9 Naproxen Impurity 29|C4X-170829|17056-94-9 https://www.jk-sci.com/products/j5306415 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/24d92c7eb92d9becb26f112ab83edaf0.jpg?v=1791416488 Z-cis-L-4-hydroxyproline, Purity by HPLC ≥ 99% | 13504-86-4 Z-cis-L-4-hydroxyproline|06415|13504-86-4 https://www.jk-sci.com/products/ts246cs-0052733 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/400616.png?v=1791337115 Oxazole-4-carbonitrile, 97% | 55242-84-7 Oxazole-4-carbonitrile|CS-0052733|55242-84-7 https://www.jk-sci.com/products/ts246cs-0052807 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416206.png?v=1791337085 1-(Propan-2-yl)-1H-pyrazol-3-amine, 97.00%+ | 857267-04-0 1-(Propan-2-yl)-1H-pyrazol-3-amine|CS-0052807|857267-04-0 https://www.jk-sci.com/products/j5306427 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c64c1f47a19ee0e0a983d9b97e417247.jpg?v=1791416475 Na-Z-Ng-trityl-D-asparagine, Purity by HPLC ≥ 98% | 200259-87-6 Na-Z-Ng-trityl-D-asparagine|06427|200259-87-6 https://www.jk-sci.com/products/ts246cs-0052740 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/864c8dc33e9d63bd6c7cab46eb5a3505.jpg?v=1791337111 1,3-Dimethyl 2-(4-methoxyphenyl)propanedioate, 99.46%+ | 71146-13-9 1,3-Dimethyl 2-(4-methoxyphenyl)propanedioate|CS-0052740|71146-13-9 https://www.jk-sci.com/products/ts246cs-0052786 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ff0696e06bbda4561e70470b0c048ef.jpg?v=1791337091 1-(Trifluoromethyl)cyclopentan-1-amine hydrochloride, 97.00%+ | 1202865-05-1 1-(Trifluoromethyl)cyclopentan-1-amine hydrochloride|CS-0052786|1202865-05-1 https://www.jk-sci.com/products/s57c4x-17084 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da04766cabc8ebf5760524775dc1d73e.jpg?v=1791375221 Naproxen EP Impurity D, 95.20% | 116883-62-6 Naproxen EP Impurity D|C4X-17084|116883-62-6 https://www.jk-sci.com/products/s57c4x-17102 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6382e3511c5c75a97422ee8e9efb9cc3.jpg?v=1791375213 Nicardipine EP Impurity B DiHCl, 97.90% | 71784-27-5 Nicardipine EP Impurity B DiHCl|C4X-17102|71784-27-5 https://www.jk-sci.com/products/ts246cs-0052838 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4f56389d3d3df8e73b55c95a81d3b57.jpg?v=1791337069 1-(Benzenesulfonyl)-6-chloro-2-iodo-1H-pyrrolo[3,2-c]pyridine, 95% | 1227267-17-5 1-(Benzenesulfonyl)-6-chloro-2-iodo-1H-pyrrolo[3,2-c]pyridine|CS-0052838|1227267-17-5 https://www.jk-sci.com/products/j5306440 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b52f5b3355c34144b78a5444a3075209.jpg?v=1791416457 Na-Z-Nd-Boc-D-ornithine, Purity by HPLC ≥ 99% | 98264-52-9 Na-Z-Nd-Boc-D-ornithine|06440|98264-52-9 https://www.jk-sci.com/products/ts246cs-0052888 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6af2df6e546d94c8a0b3465aa17c3fbf_870ccb74-02f7-46f7-8c7b-5d6f45d2f587.jpg?v=1791337056 1-(3-Chloropyridin-2-yl)ethanone, 97.00%+ | 131109-75-6 1-(3-Chloropyridin-2-yl)ethanone|CS-0052888|131109-75-6 https://www.jk-sci.com/products/ts246cs-0052916 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfeee296e5dd63dddb2235614e9fd1c8.jpg?v=1791337042 1-(2-Aminoethyl)cyclopropane-1-carboxylic acid hydrochloride, 97% | 1421602-17-6 1-(2-Aminoethyl)cyclopropane-1-carboxylic acid hydrochloride|CS-0052916|1421602-17-6 https://www.jk-sci.com/products/s57c4x-17108 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb72ea62137ec3e3819478ddba7b55a5.jpg?v=1791375203 Nicardipine Impurity 8, 98.90% | 2469735-68-8 Nicardipine Impurity 8|C4X-17108|2469735-68-8 https://www.jk-sci.com/products/ts246cs-0052989 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d3d8eebbbe443ae2fbc689a097abe32c.jpg?v=1791337015 (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methanol, 98% | 1033463-31-8 (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methanol|CS-0052989|1033463-31-8 https://www.jk-sci.com/products/ts246cs-0052957 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bc1a3bf2c6af3e1d06a4e5c7d855d73e.jpg?v=1791337024 {3-[(tert-Butyldimethylsilyl)oxy]cyclobutyl}methanol, 98% | 1394119-83-5 {3-[(tert-Butyldimethylsilyl)oxy]cyclobutyl}methanol|CS-0052957|1394119-83-5 https://www.jk-sci.com/products/s57c4x-17172 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/607926266805ad4cb0446b833ccd9123.jpg?v=1791375198 Ofloxacin EP Impurity B, 92.30% | 123155-82-8 Ofloxacin EP Impurity B|C4X-17172|123155-82-8 https://www.jk-sci.com/products/j5306466 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49837174896bbf80ba8710128f6cdf3a.jpg?v=1791416428 Na-Z-DL-tryptophan, Purity by HPLC ≥ 99% | 13058-16-7 Na-Z-DL-tryptophan|06466|13058-16-7 https://www.jk-sci.com/products/s57c4x-171817 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_35538ceb-b4dc-4dd0-853a-b047ae65ea69.png?v=1791375189 Olopatadine Impurity 17 HCl, 90.20% Olopatadine Impurity 17 HCl|C4X-171817 https://www.jk-sci.com/products/ts246cs-0053016 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b68b9fb57c20ba88f5eaeaa93788e335.jpg?v=1791337005 [1,2,4]Triazolo[4,3-b]pyridazine-6-carboxylic acid, 97% | 56434-29-8 [1,2,4]Triazolo[4,3-b]pyridazine-6-carboxylic acid|CS-0053016|56434-29-8 https://www.jk-sci.com/products/j5306541 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2c1d4e4276398edae1e223bb68e37d36.jpg?v=1791416386 Z-N-methyl-L-glutamic acid g-tert-butyl ester, Purity by HPLC 98 - 100% | 42417-71-0 Z-N-methyl-L-glutamic acid g-tert-butyl ester|06541|42417-71-0 https://www.jk-sci.com/products/ts246cs-0053041 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5667d9fcfe696fff7af621064b718d54.jpg?v=1791336995 (S)-(1-Methylpyrrolidin-3-yl)methanol, 97% | 1210934-04-5 (S)-(1-Methylpyrrolidin-3-yl)methanol|CS-0053041|1210934-04-5 https://www.jk-sci.com/products/ts246cs-0053053 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce98eeb23cd5580353e4116d2bb2defd.jpg?v=1791336990 (3-Chlorobenzyl)hydrazine dihydrochloride, 95% | 1260787-89-0 (3-Chlorobenzyl)hydrazine dihydrochloride|CS-0053053|1260787-89-0 https://www.jk-sci.com/products/ts246cs-0053059 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/347ad1a57ac28dca055b2e1c21d76189.jpg?v=1791336985 [(2S)-4-Benzylpiperazin-2-yl]methanol dihydrochloride, 96% | 1860012-50-5 [(2S)-4-Benzylpiperazin-2-yl]methanol dihydrochloride|CS-0053059|1860012-50-5 https://www.jk-sci.com/products/ts246cs-0053087 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22da387bbc8e25f4916ff329bfa2bb35.jpg?v=1791336965 (R)-tert-Butyl 5-methyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide, 97% | 863453-61-6 (R)-tert-Butyl 5-methyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide|CS-0053087|863453-61-6 https://www.jk-sci.com/products/s57c4x-171822 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/15524fd58b8b1e0ca953fd286439eb88.jpg?v=1791375182 Olopatadine Impurity 22, 98.70% | 4174-84-9 Olopatadine Impurity 22|C4X-171822|4174-84-9 https://www.jk-sci.com/products/s57c4x-17185 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7bf2e4a5-8735-4c14-bbe6-b4d2e7ef288d.png?v=1791375158 Olopatadine Impurity 5, Purity: 95.1% Olopatadine Impurity 5|C4X-17185 https://www.jk-sci.com/products/s57c4x-17183 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/578161_00fe1d26-d3a7-4220-a487-e79d22947d22.png?v=1791375173 Olopatadine Related compound C, 99.50% | 55453-87-7 Olopatadine Related compound C|C4X-17183|55453-87-7 https://www.jk-sci.com/products/s57c4x-171838 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b7419dbb-5a7e-4b41-b47f-7fca7df11d76.png?v=1791375165 Olopatadine Impurity 38, 97.10% Olopatadine Impurity 38|C4X-171838 https://www.jk-sci.com/products/s57c4x-1720101 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_d89e78b5-a904-4737-993a-61e7b4b9e8c3.png?v=1791375150 Oseltamivir Impurity 101, 97.20% Oseltamivir Impurity 101|C4X-1720101 https://www.jk-sci.com/products/ts246cs-0053098 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/11ace9d94d8b9fa96ce135c6275d57fc.jpg?v=1791336959 (Cyclopropylmethyl)hydrazine dihydrochloride, 95% | 809282-61-9 (Cyclopropylmethyl)hydrazine dihydrochloride|CS-0053098|809282-61-9 https://www.jk-sci.com/products/ts246cs-0051064 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a5718a47505432f5c5a6c4f0b71410a4.jpg?v=1791337974 Ruxolitinib impurity-1, 97% | 952518-97-7 Ruxolitinib impurity-1|CS-0051064|952518-97-7 https://www.jk-sci.com/products/ts246cs-0049105 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a0d7b5662663aa6f9b00b7f956f8ec47.jpg?v=1791338999 Methyl 3-bromoimidazo[1,2-a]pyridine-8-carboxylate, 95.00%+ | 1234616-47-7 Methyl 3-bromoimidazo[1,2-a]pyridine-8-carboxylate|CS-0049105|1234616-47-7 https://www.jk-sci.com/products/ts246cs-0051491 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7dec62dbb1d0da842975a3bf323ba9b.jpg?v=1791337744 3-Bromo-1-methyl-1H-indazol-6-amine, 96% | 1203181-56-9 3-Bromo-1-methyl-1H-indazol-6-amine|CS-0051491|1203181-56-9 https://www.jk-sci.com/products/ts246cs-0051870 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/94049dfcf2c0be8dd702cb561be6286a.jpg?v=1791337567 2-Methyl-2H-indazole-5-carbonitrile, 98% | 1159511-49-5 2-Methyl-2H-indazole-5-carbonitrile|CS-0051870|1159511-49-5 https://www.jk-sci.com/products/s57c4x-1720121 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_09244a8f-a60c-4a52-b430-b2a37353e433.png?v=1791375142 Oseltamivir Impurity 121, Purity: 96.9% Oseltamivir Impurity 121|C4X-1720121 https://www.jk-sci.com/products/ts246cs-0052006 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0d91d3de03997fcdf65bffeb780ec8eb.jpg?v=1791337487 2-Bromo-3H-imidazo[4,5-b]pyridine, 97% | 1380245-88-4 2-Bromo-3H-imidazo[4,5-b]pyridine|CS-0052006|1380245-88-4 https://www.jk-sci.com/products/s57c4x-1720133 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dfe6ea07f0ba2c7ffc9040077b46e30a.jpg?v=1791375137 Oseltamivir Impurity 133, Purity: 99.6% | 10098-40-5 Oseltamivir Impurity 133|C4X-1720133|10098-40-5 https://www.jk-sci.com/products/ts246cs-0052202 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a990e1ff36957b97cbc2deb31afb822.jpg?v=1791337385 2-(Trifluoromethyl)-1H-imidazole, 98% | 66675-22-7 2-(Trifluoromethyl)-1H-imidazole|CS-0052202|66675-22-7 https://www.jk-sci.com/products/ts246cs-0052546 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/288868_27774cd3-a8a3-4373-88c0-dfeeed81f186.png?v=1791337217 (1H-Indazol-3-yl)methanol, 96% | 64132-13-4 (1H-Indazol-3-yl)methanol|CS-0052546|64132-13-4 https://www.jk-sci.com/products/ts246cs-0052444 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14809193b6d1256cb0cf12b2707b246a.jpg?v=1791337292 1-Methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole, 97.00%+ | 885698-94-2 1-Methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole|CS-0052444|885698-94-2 https://www.jk-sci.com/products/j5306564 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/17fbeb6328c430f058fee7faf438b564.jpg?v=1791416372 Z-O-benzyl-L-serine N-hydroxysuccinimide ester, Purity by HPLC ≥ 99% | 98647-23-5 Z-O-benzyl-L-serine N-hydroxysuccinimide ester|06564|98647-23-5 https://www.jk-sci.com/products/j5306618 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f09d584d3ec801a11fb2c5ab7dbd612c.jpg?v=1791416343 O-Z-L-tyrosine, Purity by HPLC ≥ 98% | 21106-04-7 O-Z-L-tyrosine|06618|21106-04-7 https://www.jk-sci.com/products/ts246cs-0052615 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/341468.png?v=1791337161 1-Benzyl 4-methyl piperidine-1,4-dicarboxylate, 97% | 138163-07-2 1-Benzyl 4-methyl piperidine-1,4-dicarboxylate|CS-0052615|138163-07-2 https://www.jk-sci.com/products/ts246cs-0052717 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12df6d99c4ea2e78ea3fe9802a44be6c.jpg?v=1791337126 1,8-Diazaspiro[4.5]decan-2-one hydrochloride, 97% | 1389313-57-8 1,8-Diazaspiro[4.5]decan-2-one hydrochloride|CS-0052717|1389313-57-8 https://www.jk-sci.com/products/s57c4x-1720152 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5d2c8571dd734ed98afa231595bff037.jpg?v=1791375131 Oseltamivir Impurity 152, Purity: 96.6% | 651324-04-8 Oseltamivir Impurity 152|C4X-1720152|651324-04-8 https://www.jk-sci.com/products/j5306661 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/536790ec626763597a9e25dedb74b796.jpg?v=1791416321 Na-Fmoc-Nd-Z-L-ornithine, Purity by HPLC ≥ 98% | 138775-07-2 Na-Fmoc-Nd-Z-L-ornithine|06661|138775-07-2 https://www.jk-sci.com/products/s57c4x-1720182 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_64336108-163b-49a9-80ba-8b709500d86a.png?v=1791375120 Oseltamivir Glucose Adduct 1, 95.60% Oseltamivir Glucose Adduct 1|C4X-1720182 https://www.jk-sci.com/products/ts246cs-0052758 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/25e742d6adc5b9975f46482f5400af36.jpg?v=1791337100 1,2,3,4-Tetrahydro-2,6-naphthyridine, 96% | 31786-18-2 1,2,3,4-Tetrahydro-2,6-naphthyridine|CS-0052758|31786-18-2 https://www.jk-sci.com/products/ts246cs-0052889 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac3b878f8301ccf3f6ead753e4f322bc.jpg?v=1791337052 1-(3-Chloropyrazin-2-yl)ethanone, 98% | 121246-90-0 1-(3-Chloropyrazin-2-yl)ethanone|CS-0052889|121246-90-0 https://www.jk-sci.com/products/ts246cs-0052829 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8a73adda871cb86dc26b412cff935592.jpg?v=1791337079 1-(Difluoromethyl)-1H-pyrazol-4-amine, 98% | 1174309-16-0 1-(Difluoromethyl)-1H-pyrazol-4-amine|CS-0052829|1174309-16-0 https://www.jk-sci.com/products/ts246cs-0052960 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/34fe407251d0984c02f18809ea1fdb1f.jpg?v=1791337020 {1-Methyl-1H-pyrazolo[3,4-b]pyridin-5-yl}methanol, 95% | 1221288-28-3 {1-Methyl-1H-pyrazolo[3,4-b]pyridin-5-yl}methanol|CS-0052960|1221288-28-3 https://www.jk-sci.com/products/ts246cs-0053025 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a195d155e712c40a78d37935768988f9.jpg?v=1791337000 (1-(Trifluoromethyl)cyclopropyl)methanamine hydrochloride, 97% | 1783418-59-6 (1-(Trifluoromethyl)cyclopropyl)methanamine hydrochloride|CS-0053025|1783418-59-6 https://www.jk-sci.com/products/ts246cs-0053095 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3536eade39b59f904a53d9c4c72aa5ea.jpg?v=1791336960 Morpholin-3-ylmethanol hydrochloride, 97% | 955400-09-6 Morpholin-3-ylmethanol hydrochloride|CS-0053095|955400-09-6 https://www.jk-sci.com/products/ts246cs-0053166 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/44cf6727488d238dfcf104f5e64bd6ff.jpg?v=1791336916 (5-Bromo-2-chloropyridin-3-yl)methanol, 97% | 742100-75-0 (5-Bromo-2-chloropyridin-3-yl)methanol|CS-0053166|742100-75-0 https://www.jk-sci.com/products/ts246cs-0053054 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d551f2d3cf93a33baccc3675c36979bb.jpg?v=1791336990 [(3-Bromocyclobutoxy)methyl]benzene, 97% | 1443110-01-7 [(3-Bromocyclobutoxy)methyl]benzene|CS-0053054|1443110-01-7 https://www.jk-sci.com/products/s57c4x-172019 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_9b4a77c5-1483-4c20-9ade-187d10c86c49.png?v=1791375111 Ent-Oseltamivir HCl, 91.30% Ent-Oseltamivir HCl|C4X-172019 https://www.jk-sci.com/products/ts246cs-0053309 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c4ade2f32a3af61c447307b799b0b19.jpg?v=1791336858 (R)-Pyrrolidine-3-carboxylic acid hydrochloride, 98% | 1202245-51-9 (R)-Pyrrolidine-3-carboxylic acid hydrochloride|CS-0053309|1202245-51-9 https://www.jk-sci.com/products/ts246cs-0053184 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/284900.png?v=1791336906 (R)-4-Phenylthiazolidine-2-thione, 98.00%+ | 110199-18-3 (R)-4-Phenylthiazolidine-2-thione|CS-0053184|110199-18-3 https://www.jk-sci.com/products/j5306701 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59a8fdf0753743614fbfefce758fceb7.jpg?v=1791416288 Boc-D-serine methyl ester, Purity by HPLC ≥ 98% | 95715-85-8 Boc-D-serine methyl ester|06701|95715-85-8 https://www.jk-sci.com/products/s57c4x-1720210 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf1b869d-b7a9-41fb-8faa-cb1f976ee177.png?v=1791375100 Oseltamivir Impurity 210, Purity: 96.8% Oseltamivir Impurity 210|C4X-1720210 https://www.jk-sci.com/products/j5306741 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e250a31d53adb36bf40b465de36cfea9.jpg?v=1791416266 Boc-1,6-diaminohexane·HCl, Purity ≥ 98% (NMR) | 65915-94-8 Boc-1,6-diaminohexane·HCl|06741|65915-94-8 https://www.jk-sci.com/products/s57c4x-17203 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0c5b6c69deec9c9ed5dc0e70d7ff27df.jpg?v=1791375084 Oseltamivir EP Impurity C (HCl), 97.00% | 1415963-60-8 Oseltamivir EP Impurity C (HCl)|C4X-17203|1415963-60-8 https://www.jk-sci.com/products/s57c4x-172022 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_ffec49c2-7023-419d-ae6e-5fb1fae24747.png?v=1791375089 Oseltamivir Impurity 22, 90.10% Oseltamivir Impurity 22|C4X-172022 https://www.jk-sci.com/products/ts246cs-0053327 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c48795f47c3b5e74cce85a825f392e8.jpg?v=1791336842 (R)-3-Fluoropiperidine hydrochloride, 97.00%+ | 787564-37-8 (R)-3-Fluoropiperidine hydrochloride|CS-0053327|787564-37-8 https://www.jk-sci.com/products/ts246cs-0053432 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/554135.png?v=1791336806 (S)-3-(tert-Butoxycarbonyl)thiazolidine-2-carboxylic acid, 95% | 891192-95-3 (S)-3-(tert-Butoxycarbonyl)thiazolidine-2-carboxylic acid|CS-0053432|891192-95-3 https://www.jk-sci.com/products/s57c4x-172036 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2b71ac85a0330f0f38c874b9cfc4ae13.jpg?v=1791375074 Oseltamivir Impurity 36, 94.50% | 212504-90-0 Oseltamivir Impurity 36|C4X-172036|212504-90-0 https://www.jk-sci.com/products/s57c4x-172047 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_82821b8d-4777-4814-8390-3c86a5891426.png?v=1791375064 Oseltamivir Impurity 47, 88.30% Oseltamivir Impurity 47|C4X-172047 https://www.jk-sci.com/products/s57c4x-172061 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c4398e07140d0ef93da74d7ab8a3a7a7.jpg?v=1791375055 Oseltamivir Impurity 61, 97.90% | 2413185-89-2 Oseltamivir Impurity 61|C4X-172061|2413185-89-2 https://www.jk-sci.com/products/s57c4x-172075 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_12d3b801-3b5c-486b-b834-1f78dd6267ba.png?v=1791375044 Oseltamivir Impurity 75, 94.50% Oseltamivir Impurity 75|C4X-172075 https://www.jk-sci.com/products/ts246cs-0053454 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70702cd8acae20dcacd9e7ca6fe3df40.jpg?v=1791336796 (S)-(1,4-Dioxan-2-yl)methanamine hydrochloride, 97.00%+ | 1523541-96-9 (S)-(1,4-Dioxan-2-yl)methanamine hydrochloride|CS-0053454|1523541-96-9 https://www.jk-sci.com/products/j5306757 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9eb6c628b266708cca224735552b3452.jpg?v=1791416256 Z-L-aspartic acid b-cyclohexyl ester, Purity by HPLC ≥ 99% | 211797-21-6 Z-L-aspartic acid b-cyclohexyl ester|06757|211797-21-6 https://www.jk-sci.com/products/s57c4x-172086 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ce9e0885fed3de329a75f3d3029b691b.jpg?v=1791375036 Oseltamivir Impurity 86, 93.40% | 651324-08-2 Oseltamivir Impurity 86|C4X-172086|651324-08-2 https://www.jk-sci.com/products/j5306787 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6dbc67938844771eb2718cb2e639c9d8.jpg?v=1791416241 O-2,6-Dichlorobenzyl-D-tyrosine | 877932-39-3 O-2,6-Dichlorobenzyl-D-tyrosine|06787|877932-39-3 https://www.jk-sci.com/products/ts246cs-0053505 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b7f3cadc375cfda342a1603afd3e4488.jpg?v=1791336772 (R)-1-(tert-Butoxycarbonyl)azepane-2-carboxylic acid, 98% | 1227926-67-1 (R)-1-(tert-Butoxycarbonyl)azepane-2-carboxylic acid|CS-0053505|1227926-67-1 https://www.jk-sci.com/products/s57c4x-172092 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6f08ac71ad21b9d8db024fae7570b8bc.jpg?v=1791375027 Oseltamivir Impurity 92, 99.40% | 1151665-78-9 Oseltamivir Impurity 92|C4X-172092|1151665-78-9 https://www.jk-sci.com/products/ts246cs-0053528 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/319384.png?v=1791336749 trans-2-Pentenoic acid, 96.88%+ | 13991-37-2 trans-2-Pentenoic acid|CS-0053528|13991-37-2 https://www.jk-sci.com/products/ts246cs-0053549 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1315022.png?v=1791336743 (1S,4S)-2-Methyl-2,5-diazabicyclo[2.2.1]heptane dihydrobromide, 97% | 125224-62-6 (1S,4S)-2-Methyl-2,5-diazabicyclo[2.2.1]heptane dihydrobromide|CS-0053549|125224-62-6 https://www.jk-sci.com/products/s57c4x-17236 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a4a1cf5866de166fca90a25344731d7a.jpg?v=1791375015 Oxymetazoline EP Impurity C, 99.00% | 55699-13-3 Oxymetazoline EP Impurity C|C4X-17236|55699-13-3 https://www.jk-sci.com/products/ts246cs-0053602 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ccb2a678ed3d71f22339a3ee5d16591.jpg?v=1791336724 (1R,4S,5S)-rel-2-(tert-Butoxycarbonyl)-2-azabicyclo[2.1.1]hexane-5-carboxylic acid, 98.30%+ | 615575-74-1 (1R,4S,5S)-rel-2-(tert-Butoxycarbonyl)-2-azabicyclo[2.1.1]hexane-5-carboxylic acid|CS-0053602|615575-74-1 https://www.jk-sci.com/products/ts246cs-0053618 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/245896efc5845f97428ef0782d014add.jpg?v=1791336714 (1R,3R)-3-{[(tert-Butoxy)carbonyl]amino}cyclohexane-1-carboxylic acid, 98% | 1430938-32-1 (1R,3R)-3-{[(tert-Butoxy)carbonyl]amino}cyclohexane-1-carboxylic acid|CS-0053618|1430938-32-1 https://www.jk-sci.com/products/j5306803 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/16f8678892d7c64c2cf14050af3fc9d7.jpg?v=1791416229 Fmoc-O-tert-butyl-L-threonine 2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh), Mesh Size 200-400 mesh || Substitution (meq/g) 0.3-0.9 meq/g Fmoc-O-tert-butyl-L-threonine 2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|06803 https://www.jk-sci.com/products/ts246cs-0053637 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f54cffdbd28cc87d2871b1325fad04f6.jpg?v=1791336705 (R)-3,3-Difluorocyclopentanamine hydrochloride, 97% | 1117936-64-7 (R)-3,3-Difluorocyclopentanamine hydrochloride|CS-0053637|1117936-64-7 https://www.jk-sci.com/products/j5306811 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/81c9d85953bc9a49f07b41fc0c2a5138.jpg?v=1791416214 Rink amide AM resin (with Nle), Mesh Size 100-200 mesh || Substitution (meq/g) 0.3-0.6 mmol/g Rink amide AM resin (with Nle)|06811 https://www.jk-sci.com/products/j5306851 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cfee0ea09dbd38b027998e227a88be41.jpg?v=1791416196 S-4-Methoxybenzyl-L-penicillamine, Purity by HPLC ≥ 97% | 387868-34-0 S-4-Methoxybenzyl-L-penicillamine|06851|387868-34-0 https://www.jk-sci.com/products/ts246cs-0053686 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b48f7de66444f6b2ce06aad68525138.jpg?v=1791336679 3,5-Dichloro-2-nitroaniline, 97.00%+ | 122584-83-2 3,5-Dichloro-2-nitroaniline|CS-0053686|122584-83-2 https://www.jk-sci.com/products/j5306903 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ac2f086b881a20e18704be0e5f1b7363.jpg?v=1791416169 Fmoc-O-methyl-D-tyrosine, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 201335-88-8 Fmoc-O-methyl-D-tyrosine|06903|201335-88-8 https://www.jk-sci.com/products/j5306917 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cb4b9db6af62a54b617a5061bbd6c918.jpg?v=1791416159 5-Aminovaleric acid, Purity by HPLC ≥ 98% | 660-88-8 5-Aminovaleric acid|06917|660-88-8 https://www.jk-sci.com/products/s57c4x-17242 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/53ec03900c9aea3cdf3160c4c66e82f0.jpg?v=1791375011 Paliperidone Impurity 2, 98.80% | 130049-82-0 Paliperidone Impurity 2|C4X-17242|130049-82-0 https://www.jk-sci.com/products/ts246cs-0053723 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/375739.png?v=1791336675 Isobutyrohydrazide, 97% | 3619-17-8 Isobutyrohydrazide|CS-0053723|3619-17-8 https://www.jk-sci.com/products/s57c4x-172448 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8d1e23bc78a79605fbba1ba3feddedce.jpg?v=1791374976 Paliperidone Impurity 48, 99.90% | 181525-38-2 Paliperidone Impurity 48|C4X-172448|181525-38-2 https://www.jk-sci.com/products/s57c4x-172428 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca621d549f8a92edb4d899f154dbdc0d.jpg?v=1791375000 Paliperidone Impurity 28, 96.40% | 55665-95-7 Paliperidone Impurity 28|C4X-172428|55665-95-7 https://www.jk-sci.com/products/ts246cs-0053764 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e724a2015d97e4e99da1eb28a116410a.jpg?v=1791336647 Methyl imidazo[1,2-a]pyridine-5-carboxylate, 97.00%+ | 88047-55-6 Methyl imidazo[1,2-a]pyridine-5-carboxylate|CS-0053764|88047-55-6 https://www.jk-sci.com/products/ts246cs-0051376 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/10366889c1b8afaa8fb0b113f78d54be.jpg?v=1791337823 3-Ethynylazetidin-3-ol 2,2,2-trifluoroacetate, 95% | 1408076-23-2 3-Ethynylazetidin-3-ol 2,2,2-trifluoroacetate|CS-0051376|1408076-23-2 https://www.jk-sci.com/products/s57c4x-172435 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cd522f78683da1238d1c65a1d3764c8c.jpg?v=1791374987 Paliperidone Impurity 35, 90.60% | 1346598-34-2 Paliperidone Impurity 35|C4X-172435|1346598-34-2 https://www.jk-sci.com/products/s57c4x-172464 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/74917ba2e9311b756cd71f2be615a046.jpg?v=1791374970 Paliperidone Impurity 64, Purity: 99.4% | 1415488-05-9 Paliperidone Impurity 64|C4X-172464|1415488-05-9 https://www.jk-sci.com/products/s57c4x-172481 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c3b3b7ca476785ad859d8315d1044b08.jpg?v=1791374961 Paliperidone Impurity 81, Purity: 96.4% | 691007-07-5 Paliperidone Impurity 81|C4X-172481|691007-07-5 https://www.jk-sci.com/products/s57c4x-172520 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/231939_3e92088c-07c0-4788-8b8e-1a7106653425.png?v=1791374955 Pazopanib Impurity 20, Purity: 99.4% | 3934-20-1 Pazopanib Impurity 20|C4X-172520|3934-20-1 https://www.jk-sci.com/products/s57c4x-172540 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_58157c42-9b9e-4bfb-ad70-91b234074ca6.png?v=1791374942 Pazopanib Impurity 40, Purity: 99.7% Pazopanib Impurity 40|C4X-172540 https://www.jk-sci.com/products/s57c4x-1726 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472097_32a9270a-0a3d-4db7-87ba-bf6bad118081.png?v=1791374933 Pemetrexed Disodium, 89.20% | 150399-23-8 Pemetrexed Disodium|C4X-1726|150399-23-8 https://www.jk-sci.com/products/ts246cs-0051981 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/591544a3efa498450ab7e6052ec54c05.jpg?v=1791337499 2-Chloro-1,3-benzothiazol-6-ol, 97.00%+ | 2591-16-4 2-Chloro-1,3-benzothiazol-6-ol|CS-0051981|2591-16-4 https://www.jk-sci.com/products/ts246cs-0052356 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b09be5758ac93d2511d8854160217f9.jpg?v=1791337335 1-(1,1-Dimethylethyl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 98% | 1455358-06-1 1-(1,1-Dimethylethyl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one|CS-0052356|1455358-06-1 https://www.jk-sci.com/products/ts246cs-0052556 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ae48d5163bd38dd3320dc6f8d8481b9c.jpg?v=1791337208 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione, 97% | 40769-81-1 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione|CS-0052556|40769-81-1 https://www.jk-sci.com/products/ts246cs-0052739 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8cebdb149bddf36087b2e2309d474b5a.jpg?v=1791337112 Dimethyl 2-aminoisophthalate, 96% | 57053-02-8 Dimethyl 2-aminoisophthalate|CS-0052739|57053-02-8 https://www.jk-sci.com/products/ts246cs-0052872 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1018999_a17236f9-0487-4460-b3d6-b14995a2d3bc.png?v=1791337064 1-[(4-Methylphenyl)sulfonyl]-3-azetidinone, 97.00%+ | 76543-27-6 1-[(4-Methylphenyl)sulfonyl]-3-azetidinone|CS-0052872|76543-27-6 https://www.jk-sci.com/products/ts246cs-0053000 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d7196ddf9817560bc19890bb1249fedf.jpg?v=1791337010 (3-(Benzylamino)oxetan-3-yl)methanol, 97% | 1195684-52-6 (3-(Benzylamino)oxetan-3-yl)methanol|CS-0053000|1195684-52-6 https://www.jk-sci.com/products/ts246cs-0053065 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/26674807773d2def335df3800a064214.jpg?v=1791336979 (2R)-4-(Phenylmethyl)-2-morpholinemethanamine, 97% | 214273-17-3 (2R)-4-(Phenylmethyl)-2-morpholinemethanamine|CS-0053065|214273-17-3 https://www.jk-sci.com/products/ts246cs-0053265 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2dc22d03114de0edd31c342debd7bc17.jpg?v=1791336864 (S)-3-Iodotetrahydrofuran, 98% | 918439-76-6 (S)-3-Iodotetrahydrofuran|CS-0053265|918439-76-6 https://www.jk-sci.com/products/ts246cs-0053164 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dedada98912a22c3718fb1bbb4db5078.jpg?v=1791336912 (5-Bromo-2-methoxypyridin-3-yl)methanol, 98% | 351410-47-4 (5-Bromo-2-methoxypyridin-3-yl)methanol|CS-0053164|351410-47-4 https://www.jk-sci.com/products/ts246cs-0053482 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db39ade9a9fc94aef1f175047c3cb6b7.jpg?v=1791336776 (R)-Azetidin-2-ylmethanol, 98.00%+ | 209329-11-3 (R)-Azetidin-2-ylmethanol|CS-0053482|209329-11-3 https://www.jk-sci.com/products/ts246cs-0053366 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/12d9f2edc3108ac3c58ccdde082632c8.jpg?v=1791336827 (3-Fluoropyridin-2-yl)methanamine hydrochloride, 97% | 1260903-05-6 (3-Fluoropyridin-2-yl)methanamine hydrochloride|CS-0053366|1260903-05-6 https://www.jk-sci.com/products/ts246cs-0053537 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/475713a1693b520436d9ac4ada36d15a.jpg?v=1791336745 (2,6-Dibromopyridin-4-yl)methanol, 98% | 223463-02-3 (2,6-Dibromopyridin-4-yl)methanol|CS-0053537|223463-02-3 https://www.jk-sci.com/products/s57c4x-172628 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_cb3237ae-9a20-412f-9fbf-0c072b40a009.png?v=1791374927 Pemetrexed Impurity 28, 92.50% Pemetrexed Impurity 28|C4X-172628 https://www.jk-sci.com/products/ts246cs-0053616 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fec9b07b55d42cf98a9d6dbcc70a5580.jpg?v=1791336719 (1R,3R,5R)-rel-2-azabicyclo[3.1.0]hexane-3-carboxylic acid hydrochloride, 97% | 1212157-09-9 (1R,3R,5R)-rel-2-azabicyclo[3.1.0]hexane-3-carboxylic acid hydrochloride|CS-0053616|1212157-09-9 https://www.jk-sci.com/products/s57c4x-172631 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b22140cc-363f-4bdd-a8b2-c791c9219619.png?v=1791374921 Pemetrexed Impurity 31 ·1.5H2O, Purity: 98.4% Pemetrexed Impurity 31 ·1.5H2O|C4X-172631 https://www.jk-sci.com/products/ts246cs-0053650 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7547d1a9db911d057e7aa112b7dd0040.jpg?v=1791336701 (1-Methyl-1H-indazol-5-yl)methanol, 96.61%+ | 1092961-11-9 (1-Methyl-1H-indazol-5-yl)methanol|CS-0053650|1092961-11-9 https://www.jk-sci.com/products/s57c4x-17265 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/61a700dede1bf2ccac12dc2326390f5a.jpg?v=1791374916 Pemetrexed EP Impurity E, 93.40% | 182009-04-7 Pemetrexed EP Impurity E|C4X-17265|182009-04-7 https://www.jk-sci.com/products/ts246cs-0053820 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1553586.png?v=1791336610 4-Iodo-1H-pyrazolo[3,4-b]pyridine, 97% | 861881-02-9 4-Iodo-1H-pyrazolo[3,4-b]pyridine|CS-0053820|861881-02-9 https://www.jk-sci.com/products/ts246cs-0053760 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e5878bce987b6d504dba83327324ae12.jpg?v=1791336652 Methyl 6-bromoimidazo[1,2-a]pyridine-2-carboxylate, 99.88%+ | 354548-08-6 Methyl 6-bromoimidazo[1,2-a]pyridine-2-carboxylate|CS-0053760|354548-08-6 https://www.jk-sci.com/products/ts246cs-0053840 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394541.png?v=1791336601 Ethyl 4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate, 98.00%+ | 37801-57-3 Ethyl 4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate|CS-0053840|37801-57-3 https://www.jk-sci.com/products/j5306924 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e4637bfb0d99432931c21dc149774e0.jpg?v=1791416159 3-(4'-Pyridyl)-L-alanine, Purity ≥ 98% (NMR) | 37535-49-2 3-(4'-Pyridyl)-L-alanine|06924|37535-49-2 https://www.jk-sci.com/products/ts246cs-0053897 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/469655.png?v=1791336550 (5-Bromothien-2-yl)methanol, 96% | 79387-71-6 (5-Bromothien-2-yl)methanol|CS-0053897|79387-71-6 https://www.jk-sci.com/products/ts246cs-0053882 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/238465.png?v=1791336563 Methyl 5-nitro-1H-indazole-3-carboxylate, 95% | 78155-75-6 Methyl 5-nitro-1H-indazole-3-carboxylate|CS-0053882|78155-75-6 https://www.jk-sci.com/products/ts246cs-0053914 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/788920.png?v=1791336535 5-Chlorothiophene-2-carbonitrile, 97% | 50478-16-5 5-Chlorothiophene-2-carbonitrile|CS-0053914|50478-16-5 https://www.jk-sci.com/products/ts246cs-0053943 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4fc0fd3b5a822dd1d5e561eeefc3ca73.jpg?v=1791336521 Methyl 2-(pyrimidin-4-yl)acetate, 97.00%+ | 863032-29-5 Methyl 2-(pyrimidin-4-yl)acetate|CS-0053943|863032-29-5 https://www.jk-sci.com/products/s57c4x-17266 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_546ae2a0-a23f-46a8-95ba-1a5ffe8169ab.png?v=1791374914 Pemetrexed EP Impurity B&C, 93.30% Pemetrexed EP Impurity B&C|C4X-17266 https://www.jk-sci.com/products/j5306935 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ca0106a38e1a151c0eed4911a3cd9c00_5e620e3d-f2e0-4ee1-bfe2-5703c6ecf75e.jpg?v=1791416147 Poly(ethylene glycol) Average Mv ~ 4600, Granular powder | 25322-68-3 Poly(ethylene glycol) Average Mv ~ 4600, Granular powder|06935|25322-68-3 https://www.jk-sci.com/products/ts246cs-0053964 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b907246c4c6a549fbcb451890f9acb91.jpg?v=1791336506 (6-(Methylsulfonyl)pyridin-3-yl)boronic acid, 95% | 1088496-41-6 (6-(Methylsulfonyl)pyridin-3-yl)boronic acid|CS-0053964|1088496-41-6 https://www.jk-sci.com/products/ts246cs-0053956 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/49ec47aea916e27eacc0ff6f6e486c47.jpg?v=1791336517 tert-Butyl N-[(3-aminooxetan-3-yl)methyl]carbamate, 97% | 1379322-06-1 tert-Butyl N-[(3-aminooxetan-3-yl)methyl]carbamate|CS-0053956|1379322-06-1 https://www.jk-sci.com/products/s57c4x-172672 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_97a48122-183e-429b-9ba3-674fdcce51ee.png?v=1791374910 Pemetrexed Impurity 72 TFA salt, 95.30% Pemetrexed Impurity 72 TFA salt|C4X-172672 https://www.jk-sci.com/products/s57c4x-172811 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/22b9ad797ea5ed5327f6d5da81142977.jpg?v=1791374904 Pentoxifylline EP Impurity K, 97.70% | 74857-22-0 Pentoxifylline EP Impurity K|C4X-172811|74857-22-0 https://www.jk-sci.com/products/ts246cs-0053990 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eae095904570b1a6df2d8cd8dfa005d2.jpg?v=1791336495 (R)-(+)-Hexahydropyrrolo[1,2-a]pyrazin-6(7H)-one, 97% | 151763-89-2 (R)-(+)-Hexahydropyrrolo[1,2-a]pyrazin-6(7H)-one|CS-0053990|151763-89-2 https://www.jk-sci.com/products/ts246cs-0054054 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/235707.png?v=1791336472 Dimethyl 2-aminoterephthalate, 97% | 5372-81-6 Dimethyl 2-aminoterephthalate|CS-0054054|5372-81-6 https://www.jk-sci.com/products/s57c4x-17269 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bed199a8e878bd57870d5c3726a1561a.jpg?v=1791374905 Pemetrexed Impurity 9, Purity: 99.8% | 193281-05-9 Pemetrexed Impurity 9|C4X-17269|193281-05-9 https://www.jk-sci.com/products/ts246cs-0054040 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f2e79dd55d33ca17390a2c4ceb5b02f6.jpg?v=1791336479 5-Aminothiazolo[4,5-d]pyrimidin-2(3H)-one, 95% | 848691-22-5 5-Aminothiazolo[4,5-d]pyrimidin-2(3H)-one|CS-0054040|848691-22-5 https://www.jk-sci.com/products/ts246cs-0054138 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/865f5e8351b1a4b8a1a37a9660ec4378.jpg?v=1791336445 2-Ethynyl-6-methylpyridine, 97% | 30413-58-2 2-Ethynyl-6-methylpyridine|CS-0054138|30413-58-2 https://www.jk-sci.com/products/ts246cs-0054063 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b293a969ee363d46202a379fd3e8118c.jpg?v=1791336470 (5-Bromopyridin-2-yl)methanamine hydrochloride, 97% | 1241911-26-1 (5-Bromopyridin-2-yl)methanamine hydrochloride|CS-0054063|1241911-26-1 https://www.jk-sci.com/products/ts246cs-0054081 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/339425.png?v=1791336462 (2R,4R)-Ethyl 4-methylpiperidine-2-carboxylate, 95% | 74892-82-3 (2R,4R)-Ethyl 4-methylpiperidine-2-carboxylate|CS-0054081|74892-82-3 https://www.jk-sci.com/products/j5306993 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c97475b6a4f22a516d51f83386c48e38.jpg?v=1791416143 Nicotinoyl chloride hydrochloride, Purity by HPLC ≥ 98% | 20260-53-1 Nicotinoyl chloride hydrochloride|06993|20260-53-1 https://www.jk-sci.com/products/ts246cs-0054153 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/416015.png?v=1791336431 (R)-2-Amino-2-cyclopropylacetic acid, 97% | 49607-01-4 (R)-2-Amino-2-cyclopropylacetic acid|CS-0054153|49607-01-4 https://www.jk-sci.com/products/j5307007 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3e9b42dba982b3200167ed5dd6c7c797.jpg?v=1791416135 4-Amino-1-methylpyrrole-2-carboxylic acid methyl ester hydrochloride, Purity ≥ 95% | 180258-45-1 4-Amino-1-methylpyrrole-2-carboxylic acid methyl ester hydrochloride|07007|180258-45-1 https://www.jk-sci.com/products/ts246cs-0054158 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/394335.png?v=1791336426 Boc-D-Arg(Pbf)-OH, 98% | 186698-61-3 Boc-D-Arg(Pbf)-OH|CS-0054158|186698-61-3 https://www.jk-sci.com/products/ts246cs-0054168 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef3688c7dba359281a61379f0e405c92.jpg?v=1791336415 7-Bromo-5-chloro-1H-pyrrolo[2,3-c]pyridine, 95% | 945840-69-7 7-Bromo-5-chloro-1H-pyrrolo[2,3-c]pyridine|CS-0054168|945840-69-7 https://www.jk-sci.com/products/s57c4x-172813 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59efbc30a7f1a76745508ccc7f98bad4.jpg?v=1791374894 Pentoxifylline EP Impurity J, 98.60% | 874747-30-5 Pentoxifylline EP Impurity J|C4X-172813|874747-30-5 https://www.jk-sci.com/products/s57c4x-17285 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33fa80628e5bfb5be68cdbf749d08709.jpg?v=1791374887 Pentoxifylline EP Impurity E, 94.70% | 77196-87-3 Pentoxifylline EP Impurity E|C4X-17285|77196-87-3 https://www.jk-sci.com/products/s57c4x-172816 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/472531.png?v=1791374890 Pentoxifylline Impurity 16, 99.80% | 6493-06-7 Pentoxifylline Impurity 16|C4X-172816|6493-06-7 https://www.jk-sci.com/products/ts246cs-0052520 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6ae3e8cb02621818fe76ece4e47ce53f.jpg?v=1791337238 1H-Pyrazolo[3,4-b]pyridin-5-ol, 97% | 1256818-99-1 1H-Pyrazolo[3,4-b]pyridin-5-ol|CS-0052520|1256818-99-1 https://www.jk-sci.com/products/ts246cs-0052112 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/215081_e0250be4-885b-4278-8c2b-3c442369bcc0.png?v=1791337445 (S)-2-(2,2-Dimethyl-[1,3]dioxolan-4-yl)ethanol, 89% | 32233-43-5 (S)-2-(2,2-Dimethyl-[1,3]dioxolan-4-yl)ethanol|CS-0052112|32233-43-5 https://www.jk-sci.com/products/ts246cs-0051691 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/97cd84c89b9b14baab8eae64b604e087.jpg?v=1791337644 3-(Difluoromethyl)pyrrolidine hydrochloride, 98% | 1376176-56-5 3-(Difluoromethyl)pyrrolidine hydrochloride|CS-0051691|1376176-56-5 https://www.jk-sci.com/products/ts246cs-0052791 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ec18f098df4302b6e743f31555d627.jpg?v=1791337090 1-(Tetrahydro-2H-pyran-2-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 97% | 1279088-80-0 1-(Tetrahydro-2H-pyran-2-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole|CS-0052791|1279088-80-0 https://www.jk-sci.com/products/ts246cs-0053051 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c60fb303f2d64476ee9c86b1abce7210.jpg?v=1791336990 (3-Fluorobenzyl)hydrazine dihydrochloride, 95.00%+ | 1000805-94-6 (3-Fluorobenzyl)hydrazine dihydrochloride|CS-0053051|1000805-94-6 https://www.jk-sci.com/products/ts246cs-0053178 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b45a79f19bc9112b9d7b346df656e6b.jpg?v=1791336906 (S)-3,4-Dimethyloxazolidine-2,5-dione, 98% | 58311-53-8 (S)-3,4-Dimethyloxazolidine-2,5-dione|CS-0053178|58311-53-8 https://www.jk-sci.com/products/s57c4x-17289 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/167037099620209e5d7247513b080580.jpg?v=1791374883 Pentoxifylline EP Impurity I, 98.90% | 55247-90-0 Pentoxifylline EP Impurity I|C4X-17289|55247-90-0 https://www.jk-sci.com/products/ts246cs-0053446 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0dbbe9ed7f06b28b4da5982b19e2793a.jpg?v=1791336802 (2S)-2-[(2-Methylpropan-2-yl)oxycarbonylamino]-3-(oxan-4-yl)propanoic acid, 97.00%+ | 368866-33-5 (2S)-2-[(2-Methylpropan-2-yl)oxycarbonylamino]-3-(oxan-4-yl)propanoic acid|CS-0053446|368866-33-5 https://www.jk-sci.com/products/ts246cs-0053559 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ccac914b7b169fc7d5e8f265f9ef45df.jpg?v=1791336739 (1S,3S)-3-Aminocyclopentanol hydrochloride, 97% | 1523530-42-8 (1S,3S)-3-Aminocyclopentanol hydrochloride|CS-0053559|1523530-42-8 https://www.jk-sci.com/products/ts246cs-0053690 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4e6b1c106e283ef135b1f7b72bde6703.jpg?v=1791336678 5-Bromo-1,7-naphthyridin-8(7H)-one, 98% | 67967-14-0 5-Bromo-1,7-naphthyridin-8(7H)-one|CS-0053690|67967-14-0 https://www.jk-sci.com/products/s57c4x-17301 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/421711.png?v=1791374879 Perphenazine-d4 | 155593-75-2 Perphenazine-d4|C4X-17301|155593-75-2 https://www.jk-sci.com/products/s57c4x-1732 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14cc3c2f5a4db1307891799d0f728a18.jpg?v=1791374873 Piperacillin Monohydrate, 98.30% | 66258-76-2 Piperacillin Monohydrate|C4X-1732|66258-76-2 https://www.jk-sci.com/products/s57c4x-1731 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/814035.png?v=1791374878 Pimecrolimus, 98.00% | 137071-32-0 Pimecrolimus|C4X-1731|137071-32-0 https://www.jk-sci.com/products/s57c4x-173215 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6058c399a2e0d106c299aebda7c559f9.jpg?v=1791374868 Piperacillin EP Impurity J, 79.90% | 2170771-47-6 Piperacillin EP Impurity J|C4X-173215|2170771-47-6 https://www.jk-sci.com/products/j5307014 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/453dd1e89c98b1ebea1a0474b8232580.jpg?v=1791416125 Na-Boc-L-2,4-diaminobutyric acid tert-butyl ester hydrochloride | 190447-69-9 Na-Boc-L-2,4-diaminobutyric acid tert-butyl ester hydrochloride|07014|190447-69-9 https://www.jk-sci.com/products/j5307017 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1dfde671ccaca564ab93b4d582dc9a16.jpg?v=1791416121 Boc-4-methyl-L-phenylalanine, Purity by HPLC ≥ 99% | 80102-26-7 Boc-4-methyl-L-phenylalanine|07017|80102-26-7 https://www.jk-sci.com/products/j5307035 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8fd2f395bc48236c5f93b4c66e0d7837.jpg?v=1791416101 Nb-Boc-L-2,3-diaminopropionic acid methyl ester hydrochloride, Purity by HPLC ≥ 97% | 114559-25-0 Nb-Boc-L-2,3-diaminopropionic acid methyl ester hydrochloride|07035|114559-25-0 https://www.jk-sci.com/products/s57c4x-173217 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e4e70343b29166b81d61d79f7d6fce7.jpg?v=1791374868 Piperacillin EP Impurity D, 91.30% | 65772-67-0 Piperacillin EP Impurity D|C4X-173217|65772-67-0 https://www.jk-sci.com/products/s57c4x-173219 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_e9c6fb9c-9c10-4a07-8109-cddccf7b58f8.png?v=1791374861 Piperacillin EP Impurity N, 84.90% Piperacillin EP Impurity N|C4X-173219 https://www.jk-sci.com/products/ts246cs-0053896 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/699668d5fa12300a163388736418be5e.jpg?v=1791336553 (1-Methyl-1H-pyrazol-3-yl)methanamine, 97% | 612511-81-6 (1-Methyl-1H-pyrazol-3-yl)methanamine|CS-0053896|612511-81-6 https://www.jk-sci.com/products/s57c4x-173223 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a40def56b8efaa6774c5a8c3e5f7026b.jpg?v=1791374857 Piperacillin EP Impurity C, 93.80% | 2649505-15-5 Piperacillin EP Impurity C|C4X-173223|2649505-15-5 https://www.jk-sci.com/products/ts246cs-0053825 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f57ea21a02bbf39518430476ea35ceeb.jpg?v=1791336606 6-Bromo-2-methyl-3H-imidazo[4,5-b]pyridine, 97% | 42869-47-6 6-Bromo-2-methyl-3H-imidazo[4,5-b]pyridine|CS-0053825|42869-47-6 https://www.jk-sci.com/products/j5307044 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/84d53e50c0848e0a57f85994697fb318.jpg?v=1791416090 b-Fluoro-DL-alanine, Assay ≥ 98% | 43163-93-5 b-Fluoro-DL-alanine|07044|43163-93-5 https://www.jk-sci.com/products/s57c4x-173259 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/595762_f3f46a33-b138-4c25-b941-082c21021ec5.png?v=1791374848 Piperacillin EP Impurity E, 98.50% | 59702-31-7 Piperacillin EP Impurity E|C4X-173259|59702-31-7 https://www.jk-sci.com/products/ts246cs-0054157 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d991d365ee1b67e49c1affa998cdc910.jpg?v=1791336426 5-Thiazolamine, 97% | 17721-00-5 5-Thiazolamine|CS-0054157|17721-00-5 https://www.jk-sci.com/products/s57c4x-17338 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/eda5631a78316d65e8558226562e6039.jpg?v=1791374825 Piroxicam EP Impurity H, 96.10% | 24683-21-4 Piroxicam EP Impurity H|C4X-17338|24683-21-4 https://www.jk-sci.com/products/ts246cs-0054213 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6c3f923462afc76763bdc450d86cc96d.jpg?v=1791336391 Spiro[cyclopropane-1,3'-indolin]-2'-one, 97% | 13861-75-1 Spiro[cyclopropane-1,3'-indolin]-2'-one|CS-0054213|13861-75-1 https://www.jk-sci.com/products/j5307055 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e7e65ce139da832febd20ecc0f877da3.jpg?v=1791416073 Na-Fmoc-D-2,3-diaminopropionic acid, Chiral HPLC ≥ 99.5 % (ee) || Purity by HPLC ≥ 98% | 251317-00-7 Na-Fmoc-D-2,3-diaminopropionic acid|07055|251317-00-7 https://www.jk-sci.com/products/s57c4x-173240 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_7a6a311f-6f39-40c4-a0f4-a915aef0ee41.png?v=1791374849 Piperacillin Impurity 40, 92.40% Piperacillin Impurity 40|C4X-173240 https://www.jk-sci.com/products/s57c4x-17334 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f6721a6aabcd04544d2d5915c6ccb848.jpg?v=1791374828 Piroxicam EP Impurity D, 98.00% | 6639-62-9 Piroxicam EP Impurity D|C4X-17334|6639-62-9 https://www.jk-sci.com/products/ts246cs-0054194 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/09ec2ef6fa7edd8ad3bc0f4dfc99e61d.jpg?v=1791336406 5-Bromo-6-fluoro-3-iodo-1H-indazole, 97% | 633335-82-7 5-Bromo-6-fluoro-3-iodo-1H-indazole|CS-0054194|633335-82-7 https://www.jk-sci.com/products/s57c4x-173225 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_737bfaa5-a36d-49ea-98bb-ea4279600cde.png?v=1791374853 Piperacillin Impurity 25, 91.40% Piperacillin Impurity 25|C4X-173225 https://www.jk-sci.com/products/s57c4x-17357 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e8956ec1699014376fc6f2aa4bdf9439.jpg?v=1791374820 Pravastatin EP Impurity G Sodium Salt, 88.00% | 720666-74-0 Pravastatin EP Impurity G Sodium Salt|C4X-17357|720666-74-0 https://www.jk-sci.com/products/s57c4x-173310 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/114805.png?v=1791374837 Piroxicam EP Impurity J, 99.40% | 35511-15-0 Piroxicam EP Impurity J|C4X-173310|35511-15-0 https://www.jk-sci.com/products/j5307050 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/da3143e45c2938567abacbc91927032f.jpg?v=1791416079 Fmoc-4-tert-butyl-L-phenylalanine, Chiral HPLC ≥ 99% || Purity by HPLC ≥ 98% | 213383-02-9 Fmoc-4-tert-butyl-L-phenylalanine|07050|213383-02-9 https://www.jk-sci.com/products/s57c4x-173714 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b60953e85fcaab6290d7bc885bdab76.jpg?v=1791374816 Prednisolone Acetate EP Impurity E, 93.80% | 4380-55-6 Prednisolone Acetate EP Impurity E|C4X-173714|4380-55-6 https://www.jk-sci.com/products/ts246cs-0054245 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f0e95c1c543c8c33b5909a0588d1d07f.jpg?v=1791336361 (2-Oxoindolin-5-yl)boronic acid, 95% | 1051316-38-1 (2-Oxoindolin-5-yl)boronic acid|CS-0054245|1051316-38-1 https://www.jk-sci.com/products/s57c4x-173312 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fa9c84f3dd0345861ac0ed36b9c6d243.jpg?v=1791374832 Piroxicam EP Impurity L(Meloxicam EP Impurity F), 98.00% | 118854-48-1 Piroxicam EP Impurity L(Meloxicam EP Impurity F)|C4X-173312|118854-48-1 https://www.jk-sci.com/products/j5307061 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/59c1187b30506a8d0ea6747dde4da3f8.jpg?v=1791416062 (2S,4S)-Fmoc-(4-FmocNH)homoproline, Purity by HPLC ≥ 99% | 252029-00-8 (2S,4S)-Fmoc-(4-FmocNH)homoproline|07061|252029-00-8 https://www.jk-sci.com/products/s57c4x-17327 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/553890.png?v=1791374844 Piperacillin Sodium EP Impurity G, 97.70% | 63422-71-9 Piperacillin Sodium EP Impurity G|C4X-17327|63422-71-9 https://www.jk-sci.com/products/ts246cs-0054134 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7fb8c55bc4279cafc0223363106d3f74.jpg?v=1791336446 4-Bromo-2-(piperazin-1-yl)thiazole, 97% | 668484-59-1 4-Bromo-2-(piperazin-1-yl)thiazole|CS-0054134|668484-59-1 https://www.jk-sci.com/products/ts246cs-0053962 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/70c678956cba35ddbca43bb874de7805.jpg?v=1791336511 Spiro[indoline-3,4'-piperidin]-2-one hydrochloride, 98.87%+ | 356072-46-3 Spiro[indoline-3,4'-piperidin]-2-one hydrochloride|CS-0053962|356072-46-3 https://www.jk-sci.com/products/ts246cs-0053940 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/343177.png?v=1791336526 6-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine, 98% | 108281-78-3 6-Bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine|CS-0053940|108281-78-3 https://www.jk-sci.com/products/ts246cs-0054061 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5c7f5215398433bfb1233d1c96def288.jpg?v=1791336471 2-Bromo-5-fluoro-4-iodopyridine, 98% | 1061357-89-8 2-Bromo-5-fluoro-4-iodopyridine|CS-0054061|1061357-89-8 https://www.jk-sci.com/products/ts246cs-0054255 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/bf79f83f02e4f1e4ea41d0f9fe9bf174.jpg?v=1791336351 6-Fluoro-3-iodo-1H-indazole, 98% | 885522-07-6 6-Fluoro-3-iodo-1H-indazole|CS-0054255|885522-07-6 https://www.jk-sci.com/products/ts246cs-0054232 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/dea2e78be679481b3f3e3fc0dee4b94c.jpg?v=1791336370 6-Iodo-2,3-dihydro-1H-indol-2-one, 95.00%+ | 919103-45-0 6-Iodo-2,3-dihydro-1H-indol-2-one|CS-0054232|919103-45-0 https://www.jk-sci.com/products/ts246cs-0053995 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/180d80341b3c6125e05f725cd8edb553.jpg?v=1791336490 3-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine, 99.20%+ | 114040-06-1 3-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine|CS-0053995|114040-06-1 https://www.jk-sci.com/products/ts246cs-0054267 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790739.png?v=1791336346 1-Methyl-4-nitro-1H-indazole, 96% | 26120-43-4 1-Methyl-4-nitro-1H-indazole|CS-0054267|26120-43-4 https://www.jk-sci.com/products/s57c4x-173718 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/06cbab389cb14f97af6b12ba6eff988a.jpg?v=1791374815 Prednisolone Impurity 18, 99.00% | 898-84-0 Prednisolone Impurity 18|C4X-173718|898-84-0 https://www.jk-sci.com/products/ts246cs-0054285 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/43d3a9a6013a30ddb8b3f348555a23c1.jpg?v=1791336331 2-(4-Methoxyphenyl)cyclopropane-1-carboxylic acid, 97% | 92016-94-9 2-(4-Methoxyphenyl)cyclopropane-1-carboxylic acid|CS-0054285|92016-94-9 https://www.jk-sci.com/products/j5307069 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e0417ba3bd336602bbadcb27057f1f79.jpg?v=1791416051 4-Methyl-L-phenylalanine, Purity by HPLC ≥ 98% | 1991-87-3 4-Methyl-L-phenylalanine|07069|1991-87-3 https://www.jk-sci.com/products/j5307078 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6d44ba0e990b35fcecf408e7eaab1103.jpg?v=1791416041 a-Methyl-D-valine, Purity ≥ 98% (NMR) | 53940-82-2 a-Methyl-D-valine|07078|53940-82-2 https://www.jk-sci.com/products/ts246cs-0054300 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/39c25db307e021454a7a36ec5c696bcd.jpg?v=1791336323 2,5-Dichloro-4-methoxypyridine, 98% | 1122090-95-2 2,5-Dichloro-4-methoxypyridine|CS-0054300|1122090-95-2 https://www.jk-sci.com/products/j5307108 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/abe063df0364c5369dadf0f5049e3f16.jpg?v=1791416005 Fmoc-O-trityl-D-homoserine, Assay ≥ 92% || Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 98% | 257886-01-4 Fmoc-O-trityl-D-homoserine|07108|257886-01-4 https://www.jk-sci.com/products/j5307121 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/df605c4ef5e12727ee72da1676f7a265.jpg?v=1791415991 Boc-4-aminomethylcyclohexane carboxylic acid, Purity ≥ 98% (NMR) | 162046-58-4 Boc-4-aminomethylcyclohexane carboxylic acid|07121|162046-58-4 https://www.jk-sci.com/products/ts246cs-0054306 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9e13e3535fc6e33c8ce1e04df015502a.jpg?v=1791336315 (6-Bromo-1H-indazol-3-yl)methanol, 97.00%+ | 885518-29-6 (6-Bromo-1H-indazol-3-yl)methanol|CS-0054306|885518-29-6 https://www.jk-sci.com/products/s57c4x-173721 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_82da0049-e580-4855-a68c-fc2f8d419865.png?v=1791374810 Prednisolone Impurity 21, 97.00% Prednisolone Impurity 21|C4X-173721 https://www.jk-sci.com/products/ts246cs-0054315 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d1634907156ceb422ce0866921d8786b.jpg?v=1791336310 6-Chloro-4-fluoro-1H-indazole, 98% | 885520-29-6 6-Chloro-4-fluoro-1H-indazole|CS-0054315|885520-29-6 https://www.jk-sci.com/products/s57c4x-17378 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2e449746520a70db06ebfd582e1335f1.jpg?v=1791374806 Prednisolone EP Impurity H, 97.70% | 2427-64-7 Prednisolone EP Impurity H|C4X-17378|2427-64-7 https://www.jk-sci.com/products/j5307133 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9432a2a1aea2579b62616aed30dd3b8a.jpg?v=1791415982 Boc-9-aminononanoic acid, Purity ≥ 98% | 173435-78-4 Boc-9-aminononanoic acid|07133|173435-78-4 https://www.jk-sci.com/products/ts246cs-0054330 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6763439b5ac0f01cc46ea40a425dabed.jpg?v=1791336297 Ethyl 4,5-dibromo-1H-imidazole-2-carboxylate, 97% | 74840-99-6 Ethyl 4,5-dibromo-1H-imidazole-2-carboxylate|CS-0054330|74840-99-6 https://www.jk-sci.com/products/ts246cs-0054352 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c2254d4b94dc5fde4971764ee80b1ab5.jpg?v=1791336284 (4-(Ethylsulfonyl)phenyl)methanamine, 97% | 583837-94-9 (4-(Ethylsulfonyl)phenyl)methanamine|CS-0054352|583837-94-9 https://www.jk-sci.com/products/ts246cs-0054432 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/206199.png?v=1791336243 4-Methoxycyclohexane-1-carboxylic acid, 98.02%+ | 95233-12-8 4-Methoxycyclohexane-1-carboxylic acid|CS-0054432|95233-12-8 https://www.jk-sci.com/products/s57c4x-173731 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/170eb903ff24188e4ba6cb3797ba1331.jpg?v=1791374805 Prednisolone Impurity 31, Purity: 99.7% | 6677-19-6 Prednisolone Impurity 31|C4X-173731|6677-19-6 https://www.jk-sci.com/products/ts246cs-0054322 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b1499ec83413933411d64b5d5d3b23d7.jpg?v=1791336304 4-Bromo-1,5-dimethyl-1H-indazole, 98% | 1159511-77-9 4-Bromo-1,5-dimethyl-1H-indazole|CS-0054322|1159511-77-9 https://www.jk-sci.com/products/j5307126 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0ba33517072941bf20acb082faf08fca.jpg?v=1791415986 Fmoc-diethylglycine, Purity by HPLC ≥ 98% | 218926-46-6 Fmoc-diethylglycine|07126|218926-46-6 https://www.jk-sci.com/products/j5307135 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/984c387b56e553db212f93da4f7d0ade.jpg?v=1791415971 Boc-10-aminodecanoic acid, Purity ≥ 98% | 173606-50-3 Boc-10-aminodecanoic acid|07135|173606-50-3 https://www.jk-sci.com/products/ts246cs-0054389 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5658d31d4e627a8a3174e1d1a3524cb7.jpg?v=1791336264 Dimethyl 1H-indole-2,6-dicarboxylate, 97% | 881040-29-5 Dimethyl 1H-indole-2,6-dicarboxylate|CS-0054389|881040-29-5 https://www.jk-sci.com/products/j5307144 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/08cd32d55c8f8edc753693c660b83331.jpg?v=1791415959 Fmoc-1,4-diaminobutane hydrochloride, Assay by titration 99 - 101% || Purity by HPLC ≥ 99% | 321660-77-9 Fmoc-1,4-diaminobutane hydrochloride|07144|321660-77-9 https://www.jk-sci.com/products/j5307156 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b4dc9179346da3c81396a8f463d41997.jpg?v=1791415939 12-Aminododecanoic acid, Assay by titration ≥ 99% | 693-57-2 12-Aminododecanoic acid|07156|693-57-2 https://www.jk-sci.com/products/s57c4x-1741 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/101101.png?v=1791374798 Quinapril hydrochloride, 96.80% | 82586-55-8 Quinapril hydrochloride|C4X-1741|82586-55-8 https://www.jk-sci.com/products/s57c4x-174410 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ef0df452a9f08fc771f3656eb41fe004.jpg?v=1791374793 Ramipril EP Impurity A, 91.10% | 108313-11-7 Ramipril EP Impurity A|C4X-174410|108313-11-7 https://www.jk-sci.com/products/j5307164 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0977351733d84325a7c833679b66bf61.jpg?v=1791415934 2-Aminoindane-2-carboxylic acid, Purity 96 - 100% (NMR) | 27473-62-7 2-Aminoindane-2-carboxylic acid|07164|27473-62-7 https://www.jk-sci.com/products/ts246cs-0054441 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/afab432f8148daac5b6c1077e01c08a9.jpg?v=1791336237 6-Methoxy-1H-indazole-5-carbonitrile, 99.45%+ | 473417-50-4 6-Methoxy-1H-indazole-5-carbonitrile|CS-0054441|473417-50-4 https://www.jk-sci.com/products/j5307167 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d330c58ea66923b92c695b4742db04b9.jpg?v=1791415928 2-Aminotetraline-2-carboxylic acid, Purity by HPLC ≥ 98% | 6331-63-1 2-Aminotetraline-2-carboxylic acid|07167|6331-63-1 https://www.jk-sci.com/products/ts246cs-0054448 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62c173ca25642aae93c5e11aeb592fc1.jpg?v=1791336234 2-Chloro-1,3-thiazole-4-carbonitrile, 97% | 944124-72-5 2-Chloro-1,3-thiazole-4-carbonitrile|CS-0054448|944124-72-5 https://www.jk-sci.com/products/s57c4x-174413 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790630.png?v=1791374792 Ramipril EP Impurity D, 97.10% | 108731-95-9 Ramipril EP Impurity D|C4X-174413|108731-95-9 https://www.jk-sci.com/products/j5307171 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/e3c4053fea1efe3966e39bed77d26cc5.jpg?v=1791415924 5-Bromo-L-tryptophan, Chiral HPLC ≥ 98% (ee) || Purity by HPLC ≥ 98% | 25197-99-3 5-Bromo-L-tryptophan|07171|25197-99-3 https://www.jk-sci.com/products/s57c4x-174422 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_b151634b-5009-4560-93af-902450920643.png?v=1791374775 N-Nitroso Ramipril, 94.80% N-Nitroso Ramipril|C4X-174422 https://www.jk-sci.com/products/s57c4x-17442 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3110564fcbf2e195175bd13c27f51eec.jpg?v=1791374781 Ramipril EP Impurity H Oxalate, 96.80% | 104195-90-6 Ramipril EP Impurity H Oxalate|C4X-17442|104195-90-6 https://www.jk-sci.com/products/ts246cs-0054487 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/012b89f68b42df5f86876eaf426acb46.jpg?v=1791336201 1H-Pyrrolo[3,2-b]pyridine-3-carbonitrile, 97.00%+ | 1196151-62-8 1H-Pyrrolo[3,2-b]pyridine-3-carbonitrile|CS-0054487|1196151-62-8 https://www.jk-sci.com/products/ts246cs-0054470 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/ba5a0f66d7672b125f2ba2c9562d0393.jpg?v=1791336218 3-(Trifluoromethyl)-1H-pyrazole-4-carbonitrile, 99.91%+ | 318951-60-9 3-(Trifluoromethyl)-1H-pyrazole-4-carbonitrile|CS-0054470|318951-60-9 https://www.jk-sci.com/products/s57c4x-174415 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/790631.png?v=1791374787 Ramipril EP Impurity K, 92.00% | 108736-10-3 Ramipril EP Impurity K|C4X-174415|108736-10-3 https://www.jk-sci.com/products/j5307179 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/1f841dc2c997a13d787f94e7d1f6bf2c.jpg?v=1791415909 L-Homoleucine Hydrochloride, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 31872-98-7 L-Homoleucine Hydrochloride|07179|31872-98-7 https://www.jk-sci.com/products/j5307185 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/69b4f3ddd066b6527eb1928a0dc1f52e.jpg?v=1791415905 4-Phenylpiperidine-4-carboxylic acid hydrochloride, Purity by HPLC ≥ 99% | 3627-45-0 4-Phenylpiperidine-4-carboxylic acid hydrochloride|07185|3627-45-0 https://www.jk-sci.com/products/ts246cs-0054497 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b27bfb84220d517e2875a89baffca8ab.jpg?v=1791336192 Methyl 5-bromo-3-methoxypicolinate, 98.00%+ | 1142192-55-9 Methyl 5-bromo-3-methoxypicolinate|CS-0054497|1142192-55-9 https://www.jk-sci.com/products/j5307215 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/073d55bae81e95671c0218c3bfc14010.jpg?v=1791415880 Palladium on barium sulfate (5 wt. % on barium sulfate, unreduced), Purity ~ 5% (Pd content) | 7440-05-3 Palladium on barium sulfate (5 wt. % on barium sulfate, unreduced)|07215|7440-05-3 https://www.jk-sci.com/products/ts246cs-0050596 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a367b3eae11330b25f8350fd8896069.jpg?v=1791338238 5-Bromo-3-nitropyridine-2-carboxylic acid, 98% | 954240-89-2 5-Bromo-3-nitropyridine-2-carboxylic acid|CS-0050596|954240-89-2 https://www.jk-sci.com/products/j5305352 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3f31e72796e29fe22dfc401101410c15.jpg?v=1791417590 Boc-S-acetamidomethyl-D-cysteine, Purity by HPLC ≥ 98% | 138775-00-5 Boc-S-acetamidomethyl-D-cysteine|05352|138775-00-5 https://www.jk-sci.com/products/ts246cs-0054506 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c7ed0b8f4d4e371320ebd31ee714ed82.jpg?v=1791336178 6-Methyl-1H-indazol-5-amine, 97% | 81115-45-9 6-Methyl-1H-indazol-5-amine|CS-0054506|81115-45-9 https://www.jk-sci.com/products/ts246cs-0052918 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f73e8ebdcb1ecfd3c483d9fc5ed2e569.jpg?v=1791337042 1-(2-Aminothiazol-5-yl)ethanone, 97% | 53159-71-0 1-(2-Aminothiazol-5-yl)ethanone|CS-0052918|53159-71-0 https://www.jk-sci.com/products/ts246cs-0054542 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ea2f359b70a1aea92072b2bc229431b.jpg?v=1791336155 5-Fluorobenzo[d]oxazol-2-amine, 98% | 1682-39-9 5-Fluorobenzo[d]oxazol-2-amine|CS-0054542|1682-39-9 https://www.jk-sci.com/products/j5305847 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/33359e351c742b0d4bd24088eddafad9.jpg?v=1791417073 L-allo-Threonine methyl ester hydrochloride, Purity by HPLC || Purity ≥ 98% (NMR) | 79617-27-9 L-allo-Threonine methyl ester hydrochloride|05847|79617-27-9 https://www.jk-sci.com/products/j5305699 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/352a05683cd84e55632a3dbe275e7585.jpg?v=1791417229 Na-Fmoc-D-histidine, Purity by HPLC ≥ 99% | 157355-79-8 Na-Fmoc-D-histidine|05699|157355-79-8 https://www.jk-sci.com/products/ts246cs-0053310 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/54d6734d33a22ceebb0221ceec5bcee0.jpg?v=1791336858 (R)-Pyrrolidine-3-carbonitrile hydrochloride, 97% | 1153950-54-9 (R)-Pyrrolidine-3-carbonitrile hydrochloride|CS-0053310|1153950-54-9 https://www.jk-sci.com/products/j5306034 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5f8017051b0bae8e1282e31bd76754c1.jpg?v=1791416886 DL-Aspartic acid dimethyl ester hydrochloride | 14358-33-9 DL-Aspartic acid dimethyl ester hydrochloride|06034|14358-33-9 https://www.jk-sci.com/products/ts246cs-0053620 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4c52c7cfd92d9e03ebb4e8bc6199b229.jpg?v=1791336713 (1R,2S,5S)-rel-3-[(tert-Butoxy)carbonyl]-3-azabicyclo[3.1.0]hexane-2-carboxylic acid, 97% | 1051393-66-8 (1R,2S,5S)-rel-3-[(tert-Butoxy)carbonyl]-3-azabicyclo[3.1.0]hexane-2-carboxylic acid|CS-0053620|1051393-66-8 https://www.jk-sci.com/products/s57c4x-1745 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/517825.png?v=1791374780 Ropinirole Hydrochloride, 99.50% | 91374-20-8 Ropinirole Hydrochloride|C4X-1745|91374-20-8 https://www.jk-sci.com/products/s57c4x-17453 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9027277e9baa30b9647d4822cd73af7b.jpg?v=1791374768 Ropinirole Impurity 3 HCl, 90.00% | 1076199-41-1 Ropinirole Impurity 3 HCl|C4X-17453|1076199-41-1 https://www.jk-sci.com/products/j5306130 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3da566402b34d097d9930d991cd403a4.jpg?v=1791416803 Ne-Boc-L-lysine allyl ester hydrochloride, Assay by titration ≥ 99% || Purity by HPLC ≥ 99% | 218938-64-8 Ne-Boc-L-lysine allyl ester hydrochloride|06130|218938-64-8 https://www.jk-sci.com/products/j5306206 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fc4f75f5ceba7aa27267a13f7b9c7f47.jpg?v=1791416719 O-tert-Butyl-L-serine t-butyl ester, Purity ≥ 97% | 48067-24-9 O-tert-Butyl-L-serine t-butyl ester|06206|48067-24-9 https://www.jk-sci.com/products/s57c4x-17463 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/446d7c460177402775e9effa8142521c.jpg?v=1791374762 Rapamycin-d3 (Sirolimus-d3), Purity>95% | 392711-19-2 Rapamycin-d3 (Sirolimus-d3)|C4X-17463|392711-19-2 https://www.jk-sci.com/products/j5306297 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8c76d2991bd551dfec3c7417ba940055.jpg?v=1791416624 Na-Boc-Ng-Fmoc-D-2,4-diaminobutyric acid, Purity by HPLC ≥ 99% | 131570-57-5 Na-Boc-Ng-Fmoc-D-2,4-diaminobutyric acid|06297|131570-57-5 https://www.jk-sci.com/products/s57c4x-174910 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/adc6b3575879fabf754a14db3246759f.jpg?v=1791374757 Riociguat, 99.30% | 625115-55-1 Riociguat|C4X-174910|625115-55-1 https://www.jk-sci.com/products/j5306364 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4cf4b0debca6d9e2c34cebfa9d8bbea1.jpg?v=1791416522 L-Pyroglutamyl-L-alanine, Purity by HPLC ≥ 99% | 21282-08-6 L-Pyroglutamyl-L-alanine|06364|21282-08-6 https://www.jk-sci.com/products/j5306413 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2ce4437930851ac4bcf26d903876ce7c.jpg?v=1791416494 Z-L-aspartic acid a-methyl ester, Chiral HPLC ≥ 99.5% (ee) || Purity by HPLC ≥ 99% | 4668-42-2 Z-L-aspartic acid a-methyl ester|06413|4668-42-2 https://www.jk-sci.com/products/ts246cs-0054053 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/c91f5c869b34d6742cd5715cfa88c446.jpg?v=1791336475 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one, 98.00%+ | 34682-99-0 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one|CS-0054053|34682-99-0 https://www.jk-sci.com/products/s57c4x-17496 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/db912ff07b7149fc85a23b3729969094.jpg?v=1791374751 Riociguat EP Impurity C, Purity: 98.1% | 2920299-23-4 Riociguat EP Impurity C|C4X-17496|2920299-23-4 https://www.jk-sci.com/products/ts246cs-0053860 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/784572_a3735ad0-45ae-4078-87ca-87138f5789da.png?v=1791336582 Ethyl 3-hydroxyisonicotinate, 99.94%+ | 18342-97-7 Ethyl 3-hydroxyisonicotinate|CS-0053860|18342-97-7 https://www.jk-sci.com/products/ts246cs-0053951 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9ac3c3f70631e86ff11fb0478c2e471b.jpg?v=1791336516 Ethyl 1-methylimidazole-4-carboxylate, 97% | 41507-56-6 Ethyl 1-methylimidazole-4-carboxylate|CS-0053951|41507-56-6 https://www.jk-sci.com/products/ts246cs-0054196 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/298810.png?v=1791336402 1-(2-Aminoethyl)pyrrolidin-2-one hydrochloride, 98% | 92885-03-5 1-(2-Aminoethyl)pyrrolidin-2-one hydrochloride|CS-0054196|92885-03-5 https://www.jk-sci.com/products/ts246cs-0054144 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0a955988aa97b477b72c6a5b41a35a42.jpg?v=1791336436 Azepane-2-carboxylic acid, 97% | 5227-53-2 Azepane-2-carboxylic acid|CS-0054144|5227-53-2 https://www.jk-sci.com/products/s57c4x-174920 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f5df2c8af29aa7047db18de23017e949.jpg?v=1791374757 Riociguat Impurity 20, 97.90% | 428854-24-4 Riociguat Impurity 20|C4X-174920|428854-24-4 https://www.jk-sci.com/products/ts246cs-0054289 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/6622fd18ccfb64d353f08f655f4fe205.jpg?v=1791336323 7-Bromoisoquinolin-3-ol, 98% | 662139-46-0 7-Bromoisoquinolin-3-ol|CS-0054289|662139-46-0 https://www.jk-sci.com/products/j5306520 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/0b998184008a11f01256666024bc3e37.jpg?v=1791416402 Z-Leu-Phe-OH, Purity by HPLC ≥ 99% | 6401-63-4 Z-Leu-Phe-OH|06520|6401-63-4 https://www.jk-sci.com/products/ts246cs-0054264 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/62b2da0714f2aaa1e6762ecc6cc6fc74.jpg?v=1791336349 1-Methyl-1H-indazol-4-ol, 97% | 144528-23-4 1-Methyl-1H-indazol-4-ol|CS-0054264|144528-23-4 https://www.jk-sci.com/products/ts246cs-0054235 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/276579.png?v=1791336366 2-Oxoindoline-5-carbonitrile, 95% | 61394-50-1 2-Oxoindoline-5-carbonitrile|CS-0054235|61394-50-1 https://www.jk-sci.com/products/s57c4x-17507 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/097b660711325a0731541e8f0e04a082.jpg?v=1791374752 Risedronate Impurity 7, Purity: 99.4% | 75755-10-1 Risedronate Impurity 7|C4X-17507|75755-10-1 https://www.jk-sci.com/products/j5306433 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/a6e72c0cf466ecd557a9aff95d325528.jpg?v=1791416461 Na-Z-D-histidine, Purity by HPLC ≥ 99% | 67424-93-5 Na-Z-D-histidine|06433|67424-93-5 https://www.jk-sci.com/products/ts246cs-0054307 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/248051_8e62c9a6-cc7e-4cbb-91a5-2c7bd89424a1.png?v=1791336315 Methyl 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylate, 98% | 106429-57-6 Methyl 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylate|CS-0054307|106429-57-6 https://www.jk-sci.com/products/ts246cs-0054326 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/d34ec89c58f7f6dc41a5a7148c4c0753.jpg?v=1791336298 4-Bromo-3-(trifluoromethyl)-1H-indazole, 99.49%+ | 1211583-69-5 4-Bromo-3-(trifluoromethyl)-1H-indazole|CS-0054326|1211583-69-5 https://www.jk-sci.com/products/j5306595 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2de3c7dfa3f38f753a94dea4f1076fc6.jpg?v=1791416363 Z-Val-Ala-OH, Purity by HPLC ≥ 98% | 24787-89-1 Z-Val-Ala-OH|06595|24787-89-1 https://www.jk-sci.com/products/j5306676 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/9bf1005a4b822e152214deb652e6d1d8.jpg?v=1791416311 Na-Z-Ne-trifluoroacetyl-L-lysine, Purity by HPLC ≥ 99% | 14905-30-7 Na-Z-Ne-trifluoroacetyl-L-lysine|06676|14905-30-7 https://www.jk-sci.com/products/ts246cs-0054387 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/3a1cc555bc6fdca6f88286b3886b0184.jpg?v=1791336269 3-Methyl-1H-indole-6-carboxylic acid, 96% | 201286-69-3 3-Methyl-1H-indole-6-carboxylic acid|CS-0054387|201286-69-3 https://www.jk-sci.com/products/ts246cs-0054435 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/79bd3b9ce40c300660d3850663b3c316.jpg?v=1791336243 4-Methylpiperidine-4-carboxylic acid hydrochloride, 97% | 919354-20-4 4-Methylpiperidine-4-carboxylic acid hydrochloride|CS-0054435|919354-20-4 https://www.jk-sci.com/products/ts246cs-0054469 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/14db2fa83c1bf54911165089195181bb.jpg?v=1791336218 3,5-Dimethyl-1H-pyrazole-4-carbonitrile, 97.00%+ | 108161-12-2 3,5-Dimethyl-1H-pyrazole-4-carbonitrile|CS-0054469|108161-12-2 https://www.jk-sci.com/products/ts246cs-0054534 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f630a23450f4c0171a4675bc59566ca3.jpg?v=1791336157 4-(Trifluoromethyl)thiazole-2-carbaldehyde, 98% | 354587-75-0 4-(Trifluoromethyl)thiazole-2-carbaldehyde|CS-0054534|354587-75-0 https://www.jk-sci.com/products/ts246cs-0054492 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b36caf156b209251255ba037e0b9971.jpg?v=1791336197 1-Methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole, 96% | 903499-35-4 1-Methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole|CS-0054492|903499-35-4 https://www.jk-sci.com/products/s57c4x-175110 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/f704cd3c60f09bb12ff90968335def8e.jpg?v=1791374741 Ritonavir EP Impurity J, 99.50% | 162849-95-8 Ritonavir EP Impurity J|C4X-175110|162849-95-8 https://www.jk-sci.com/products/s57c4x-175113 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/05482607ca4a627b8a730ecbfa4ab3bd.jpg?v=1791374741 Ritonavir EP Impurity L, 97.40% | 256328-82-2 Ritonavir EP Impurity L|C4X-175113|256328-82-2 https://www.jk-sci.com/products/ts246cs-0054589 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/5b5728c66901808f3fa23889a58c5089.jpg?v=1791336131 tert-Butyl ((3R,4R)-rel-4-hydroxytetrahydrofuran-3-yl)carbamate, 98% | 1631070-69-3 tert-Butyl ((3R,4R)-rel-4-hydroxytetrahydrofuran-3-yl)carbamate|CS-0054589|1631070-69-3 https://www.jk-sci.com/products/s57c4x-175116 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2fc5014aca55aedb585548206059682a.jpg?v=1791374735 Ritonavir EP Impurity E, 94.30% | 176655-56-4 Ritonavir EP Impurity E|C4X-175116|176655-56-4 https://www.jk-sci.com/products/s57c4x-175125 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fe9fb10d7925a034f491a49b7515eb92.jpg?v=1791374726 Ritonavir EP Impurity T, 99.20% | 869368-48-9 Ritonavir EP Impurity T|C4X-175125|869368-48-9 https://www.jk-sci.com/products/s57c4x-17512 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/345343.png?v=1791374731 Ritonavir EP Impurity A, 99.30% | 154212-61-0 Ritonavir EP Impurity A|C4X-17512|154212-61-0 https://www.jk-sci.com/products/ts246cs-0054580 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/975930.png?v=1791336154 N-Methylcyclobutanamine hydrochloride, 97% | 848497-98-3 N-Methylcyclobutanamine hydrochloride|CS-0054580|848497-98-3 https://www.jk-sci.com/products/j5306755 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/194c190c547c747e9f057e463b535748.jpg?v=1791416256 Z-L-pyroglutamic acid dicyclohexylammonium salt, Purity by HPLC ≥ 99% | 38596-35-9 Z-L-pyroglutamic acid dicyclohexylammonium salt|06755|38596-35-9 https://www.jk-sci.com/products/s57c4x-175122 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/4ed6b37d6af378d601b493d20bb158c2.jpg?v=1791374728 Ritonavir EP Impurity Q, 94.40% | 1414933-82-6 Ritonavir EP Impurity Q|C4X-175122|1414933-82-6 https://www.jk-sci.com/products/ts246cs-0054567 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8b0188bda9251dd0df0f8dd9acf4680b.jpg?v=1791336146 tert-Butyl 2-oxoazetidine-1-carboxylate, 97.00%+ | 1140510-99-1 tert-Butyl 2-oxoazetidine-1-carboxylate|CS-0054567|1140510-99-1 https://www.jk-sci.com/products/s57c4x-17514 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/b84db34978e404db3379f89cc9bac047.jpg?v=1791374721 Ritonavir EP Impurity D, 99.30% | 144142-33-6 Ritonavir EP Impurity D|C4X-17514|144142-33-6 https://www.jk-sci.com/products/s57c4x-175227 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_bf304347-b832-4e92-b6de-43e23b10e4f8.png?v=1791374708 Rizatriptan Impurity 27 Sodium Salt, 99.30% Rizatriptan Impurity 27 Sodium Salt|C4X-175227 https://www.jk-sci.com/products/ts246cs-0054635 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/2df8882f645f04dfe413e01c4caf733e.jpg?v=1791336111 (Hexahydro-1H-pyrrolizin-7a-yl)methanamine, 98% | 78449-73-7 (Hexahydro-1H-pyrrolizin-7a-yl)methanamine|CS-0054635|78449-73-7 https://www.jk-sci.com/products/ts246cs-0054612 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/7b1487d175e8f3894fb189f56183d69c.jpg?v=1791336124 2-(1-Methylpiperidin-4-yl)acetic acid, 97% | 87647-06-1 2-(1-Methylpiperidin-4-yl)acetic acid|CS-0054612|87647-06-1 https://www.jk-sci.com/products/s57c4x-17515 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/cbbf557bd6b9cdf2c99af8679a2714f2.jpg?v=1791374720 Ritonavir EP Impurity F, 97.10% | 1010809-61-6 Ritonavir EP Impurity F|C4X-17515|1010809-61-6 https://www.jk-sci.com/products/s57c4x-17519 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/29d08660bda0d2e6add37a9d324ebfe1.jpg?v=1791374713 Ritonavir EP Impurity I, 95.70% | 165315-26-4 Ritonavir EP Impurity I|C4X-17519|165315-26-4 https://www.jk-sci.com/products/s57c4x-175316 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/8f2cac864895e26b0506e7985fdd6d1b.jpg?v=1791374707 Ropivacaine Impurity 16, 91.00% | 1391053-59-0 Ropivacaine Impurity 16|C4X-175316|1391053-59-0 https://www.jk-sci.com/products/ts246cs-0054640 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/546e3d1aeac05ba41c39be8eb90959fe.jpg?v=1791336107 1-(5-Fluoropyrimidin-2-yl)ethanone, 97% | 905587-44-2 1-(5-Fluoropyrimidin-2-yl)ethanone|CS-0054640|905587-44-2 https://www.jk-sci.com/products/s57c4x-175326 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/GeneralChemical_optimized_c7a1b48a-254e-429a-84e4-353619fffd96.png?v=1791374700 Ropivacaine Impurity 26, 99.70% Ropivacaine Impurity 26|C4X-175326 https://www.jk-sci.com/products/j5306791 2026-10-08T05:11:55-07:00 daily https://cdn.shopify.com/s/files/1/0506/0005/0878/files/fd2cac31789b7bf30dd089ead74e40a0.jpg?v=1791416237 Na-Fmoc- Nd-trityl-L-glutamine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh), Mesh Size 200-400 || Substitution (meq/g) 0.3-0.9 Na-Fmoc- Nd-trityl-L-glutamine-2-chlorotrityl resin (0.3 - 0.9 meq/g, 200 - 400 mesh)|06791