2-oxo-1-phenylpyrrolidine-3-carboxylic acid

1-苯基-2-氧-3-吡咯烷羧酸

Also known as: 1-Phenyl-2-oxo-3-pyrrolidinecarboxylic acid, 2-Oxo-1-phenyl-3-pyrrolidinecarboxylic acid, 2-oxo-1-phenylpyrrolidine-3-carboxylic acid, 3-Pyrrolidinecarboxylic acid, 2-oxo-1-phenyl-, 2-oxo-1-phenyl-pyrrolidine-3-carboxylic acid

2-oxo-1-phenylpyrrolidine-3-carboxylic acid (CAS 56137-52-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11NO3 and a molecular weight of 205.21000 g/mol. It is also known as 1-Phenyl-2-oxo-3-pyrrolidinecarboxylic acid, 2-Oxo-1-phenyl-3-pyrrolidinecarboxylic acid and 3-Pyrrolidinecarboxylic acid, 2-oxo-1-phenyl-. Key properties include a melting point of 142-146ºC(lit.), a boiling point of 494.6ºC at 760mmHg, a density of 1.343g/cm3 and a flash point of 252.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56137-52-1
Jingsj CID
J-14044-3
Molecular Formula
C11H11NO3
Chinese Name
1-苯基-2-氧-3-吡咯烷羧酸
Molecular Weight
205.21000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point142-146ºC(lit.)
Boiling Point494.6ºC at 760mmHg
Density1.343g/cm3
Flash Point252.9ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-oxo-1-phenylpyrrolidine-3-carboxylic acid?

The CAS number of 2-oxo-1-phenylpyrrolidine-3-carboxylic acid is 56137-52-1.

What are the molecular formula and molecular weight of 2-oxo-1-phenylpyrrolidine-3-carboxylic acid?

2-oxo-1-phenylpyrrolidine-3-carboxylic acid has molecular formula C11H11NO3 and molecular weight 205.21000 g/mol.

Is 2-oxo-1-phenylpyrrolidine-3-carboxylic acid hazardous?

2-oxo-1-phenylpyrrolidine-3-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-oxo-1-phenylpyrrolidine-3-carboxylic acid (CAS 56137-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14044-3 (accessed 2026-10-23).

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