ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate

1-甲基吡咯-2-氧代乙酸乙酯

Also known as: ethyl 1-methyl-alpha-oxo-1H-pyrrole-2-acetate, ethyl 1-methylpyrrole-2-oxoacetate, ethyl 1-methylpyrrole-2-glyoxylate, 1-methyl-α-oxo-1H-pyrrole-2-acetic acid ethyl ester, EINECS 244-644-2, 1H-Pyrrole-2-acetic acid, 1-methyl-α-oxo-, ethyl ester

ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate (CAS 21898-45-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H11NO3 and a molecular weight of 181.18900 g/mol. It is also known as ethyl 1-methyl-alpha-oxo-1H-pyrrole-2-acetate, ethyl 1-methylpyrrole-2-oxoacetate and ethyl 1-methylpyrrole-2-glyoxylate. Key properties include a boiling point of 278.3ºC at 760mmHg, a density of 1.13g/cm3 and a flash point of 122.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21898-45-3
Jingsj CID: J-1364416-5
Molecular Formula: C₉H₁₁NO₃
Chinese Name: 1-甲基吡咯-2-氧代乙酸乙酯
Molecular Weight: 181.18900 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	278.3ºC at 760mmHg
Density	1.13g/cm3
Flash Point	122.1ºC

Frequently Asked Questions

What is the CAS number of ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate?

The CAS number of ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate is 21898-45-3.

What are the molecular formula and molecular weight of ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate?

ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate has molecular formula C9H11NO3 and molecular weight 181.18900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "ethyl 2-(1-methylpyrrol-2-yl)-2-oxoacetate (CAS 21898-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1364416-5 (accessed 2026-10-25).

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