2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid

2-氧代-2,3-二氢-1H-苯并咪唑-5-羧酸

Also known as: 1H-Benzimidazole-5-carboxylic acid, 2,3-dihydro-2-oxo-, 2-Oxo-1,3-dihydrobenzimidazole-5-carboxylic acid, 2-Oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylic acid, 2,3-Dihydro-2-oxobenzimidazole-5-carboxylic acid, 2-Oxo-2,3-dihydro-1H-benzoimidazole-5-carboxylic acid, 2-hydroxy-1H-benzo[d]imidazole-5-carboxylic acid, 2-oxo-1,3-dihydro-1H-benzodiazole-5-carboxylic acid

2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid (CAS 23814-14-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O3 and a molecular weight of 178.145 g/mol. It is also known as 1H-Benzimidazole-5-carboxylic acid, 2,3-dihydro-2-oxo-, 2-Oxo-1,3-dihydrobenzimidazole-5-carboxylic acid and 2-Oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylic acid. Key properties include a boiling point of 258.6±19.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 110.2±21.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23814-14-4
Jingsj CID
J-1087935-3
Molecular Formula
C8H6N2O3
Chinese Name
2-氧代-2,3-二氢-1H-苯并咪唑-5-羧酸
Molecular Weight
178.145 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point258.6±19.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point110.2±21.5 °C

Frequently Asked Questions

What is the CAS number of 2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid?

The CAS number of 2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid is 23814-14-4.

What are the molecular formula and molecular weight of 2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid?

2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid has molecular formula C8H6N2O3 and molecular weight 178.145 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Oxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid (CAS 23814-14-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087935-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.