2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid

2-(4-乙酰基-2,3-二氢-5-甲基-2-氧代-1H-吡咯-3-基)乙酸

Also known as: 1H-Pyrrole-3-acetic acid, 4-acetyl-2,3-dihydro-5-methyl-2-oxo-, (3-ACETYL-2-METHYL-5-OXO-2-PYRROLIN-4-YL)ACETIC ACID, (4-acetyl-5-methyl-2-oxo-2,3-dihydro-pyrrol-3-yl)-acetic acid, 2-(4-ACETYL-5-METHYL-2-OXO-2,3-DIHYDRO-1H-PYRROL-3-YL)ACETIC ACID, 2-Pyrroline-4-acetic acid, 3-acetyl-2-methyl-5-oxo- (8CI)

2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid (CAS 33492-33-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11NO4 and a molecular weight of 197.18800 g/mol. It is also known as 1H-Pyrrole-3-acetic acid, 4-acetyl-2,3-dihydro-5-methyl-2-oxo-, (3-ACETYL-2-METHYL-5-OXO-2-PYRROLIN-4-YL)ACETIC ACID and (4-acetyl-5-methyl-2-oxo-2,3-dihydro-pyrrol-3-yl)-acetic acid. Key properties include a melting point of 154ºC, a boiling point of 506.7ºC at 760mmHg, a density of 1.28g/cm3 and a flash point of 260.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33492-33-0
Jingsj CID
J-1511861-3
Molecular Formula
C9H11NO4
Chinese Name
2-(4-乙酰基-2,3-二氢-5-甲基-2-氧代-1H-吡咯-3-基)乙酸
Molecular Weight
197.18800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point154ºC
Boiling Point506.7ºC at 760mmHg
Density1.28g/cm3
Flash Point260.2ºC

Frequently Asked Questions

What is the CAS number of 2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid?

The CAS number of 2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid is 33492-33-0.

What are the molecular formula and molecular weight of 2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid?

2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid has molecular formula C9H11NO4 and molecular weight 197.18800 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(4-acetyl-2,3-dihydro-5-methyl-2-oxo-1H-pyrrol-3-yl)acetic acid (CAS 33492-33-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511861-3 (accessed 2026-10-25).

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