1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid

1-(1-苯基乙基)-1H-咪唑-5-羧酸

Also known as: Etomidate EP Impurity A, Etomidate impurity A, 3-(1-Phenylethyl)-3H-imidazole-4-carboxylic acid, Desethyl-etomidate, Etomidate acid (RS), 1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid, UNII-O36CTO4WLB

1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid (CAS 3157-27-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O2 and a molecular weight of 216.23600 g/mol. It is also known as Etomidate EP Impurity A, Etomidate impurity A and 3-(1-Phenylethyl)-3H-imidazole-4-carboxylic acid. Key properties include a boiling point of 437.5ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 218.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3157-27-5
Jingsj CID
J-1372159-8
Molecular Formula
C12H12N2O2
Chinese Name
1-(1-苯基乙基)-1H-咪唑-5-羧酸
Molecular Weight
216.23600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point437.5ºC at 760 mmHg
Density1.21g/cm3
Flash Point218.4ºC

Frequently Asked Questions

What is the CAS number of 1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid?

The CAS number of 1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid is 3157-27-5.

What are the molecular formula and molecular weight of 1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid?

1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid has molecular formula C12H12N2O2 and molecular weight 216.23600 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid (CAS 3157-27-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1372159-8 (accessed 2026-10-23).

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