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CAS 96-99-1

4-chloro-3-nitrobenzoic acid

Codes: NINT-012, DABI-011

Application context (from source-drug indications)

Systemic sclerosis-associated interstitial lung diseaseNintedanib EsylateIdiopathic pulmonary fibrosisNintedanib EsylateNon-small cell lung cancerNintedanib EsylatePulmonary fibrosisNintedanib EsylateInterstitial lung diseaseNintedanib EsylateHereditary haemorrhagic telangiectasiaNintedanib EsylateVenous thromboembolismDabigatran Etexilate MesylateEmbolismDabigatran Etexilate MesylateStrokeDabigatran Etexilate MesylateIschaemic strokeDabigatran Etexilate MesylatePulmonary embolismDabigatran Etexilate MesylateVenous thrombosisDabigatran Etexilate Mesylate

Source drugs (routes using this intermediate)

DrugTierExpiry
Nintedanib EsylateTier B — Position early-
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.

Dabigatran Etexilate MesylateOptimised routesteps: 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 timeQualificationsAction
Qualified Partner — East China API WorksDabigatran etexilate mesylate
Pharmaceutical Intermediates
On requestOn requestOn request
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Unibest Nantong cGMP Siteethyl N-[3-amino-4-(methylamino)benzoyl]-N-pyridin-2-yl-beta-alaninate
Pharmaceutical Intermediates
On requestOn requestOn request
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Unibest Taizhou GMP-like SiteN-(4-cyanophenyl)-Glycine
Pharmaceutical Intermediates
On requestOn requestOn request
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Unibest Taizhou GMP-like Site2-Chloro-N-methyl-N-(4-nitrophenyl)acetamide
Pharmaceutical Intermediates
On requestOn requestOn request
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Qualified Partner — East China API WorksTrimethyl orthobenzoate
Pharmaceutical Intermediates
On requestOn requestOn request
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Unibest Nantong cGMP SiteN-(4-Aminophenyl)-N-methyl-2-(4-methylpiperazin -1-yl)acetamide
Pharmaceutical Intermediates
On requestOn requestOn request
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Unibest Taizhou GMP-like SiteMethyl 2-oxoindole-6-carboxylate
Pharmaceutical Intermediates
On requestOn requestOn request
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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
Pharmaceutical Intermediates
On requestOn requestOn request
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This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.