Unibest 优贝德
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CAS 96-99-1

4-chloro-3-nitrobenzoic acid

Codes:NINT-012、DABI-011

Application context (from source-drug indications)

系统性硬化相关肺间质疾病乙磺酸尼达尼布特发性肺纤维化乙磺酸尼达尼布非小细胞肺癌乙磺酸尼达尼布肺纤维化乙磺酸尼达尼布间质性肺疾病乙磺酸尼达尼布遗传性出血性毛细血管扩张乙磺酸尼达尼布静脉血栓栓塞达比加群酯甲磺酸盐栓塞达比加群酯甲磺酸盐中风达比加群酯甲磺酸盐缺血性卒中达比加群酯甲磺酸盐肺栓塞达比加群酯甲磺酸盐静脉血栓形成达比加群酯甲磺酸盐

Source drugs (routes using this intermediate)

DrugTierExpiry
乙磺酸尼达尼布Nintedanib EsylateTier B — Position early-
达比加群酯甲磺酸盐Dabigatran Etexilate MesylateTier B — Position early-

Position in synthesis routes (up/downstream chain)

Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.

达比加群酯甲磺酸盐优化路线steps: 9total yield: 44 g
4-(methylamino)-3-nitrobenzoic acid→4-(methylamino)-3-nitrobenzoyl chloride→ethyl 3-(pyridin-2-ylamino)propanoate→ethyl 3-(4-(methylamino)-3-nitro-N-(pyridin-2-yl)benzamido)propanoate→ethyl 3-(3-amino-4-(methylamino)-N-(pyridin-2-yl)benzamido)propanoate→2-((4-cyanophenyl)amino)acetic acid→ethyl 3-(2-(((4-cyanophenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate→hexyl carbonochloridate→4-chloro-3-nitrobenzoic acid→4-chlorobenzoic acid→ethyl 3-(2-(((4-(ethoxy(imino)methyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate→ethyl 3-(2-(((4-carbamimidoylphenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate oxalate

Intermediates available on this site

Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.

SupplierProductPrice bandMOQLead timeQualifications
Qualified Partner — East China API WorksDabigatran etexilate mesylate
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Unibest Nantong cGMP Siteethyl N-[3-amino-4-(methylamino)benzoyl]-N-pyridin-2-yl-beta-alaninate
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Unibest Taizhou GMP-like SiteN-(4-cyanophenyl)-Glycine
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Unibest Taizhou GMP-like Site2-Chloro-N-methyl-N-(4-nitrophenyl)acetamide
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Qualified Partner — East China API WorksTrimethyl orthobenzoate
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Unibest Nantong cGMP SiteN-(4-Aminophenyl)-N-methyl-2-(4-methylpiperazin -1-yl)acetamide
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Unibest Taizhou GMP-like SiteMethyl 2-oxoindole-6-carboxylate
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Qualified Partner — East China API Works(3E)-2,3-Dihydro-3-(methoxyphenylmethylene) -2-oxo-1H-indole-6- carboxylic acid methyl ester
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