Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate

4-羟基-5-甲基-1H-吡咯-2-羧酸甲酯

Also known as: 1H-Pyrrole-2-carboxylic acid, 4-hydroxy-5-methyl-, methyl ester, 4-Hydroxy-5-methyl-1H-pyrrole-2-carboxylic acid methyl ester, Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate, 1H-Pyrrole-2-carboxylicacid,4-hydroxy-5-methyl-,methylester(9CI)

Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate (CAS 203208-35-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3 and a molecular weight of 155.151 g/mol. It is also known as 1H-Pyrrole-2-carboxylic acid, 4-hydroxy-5-methyl-, methyl ester, 4-Hydroxy-5-methyl-1H-pyrrole-2-carboxylic acid methyl ester and 1H-Pyrrole-2-carboxylicacid,4-hydroxy-5-methyl-,methylester(9CI). Key properties include a boiling point of 350.8±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 165.9±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
203208-35-9
Jingsj CID
J-1485565-4
Molecular Formula
C7H9NO3
Chinese Name
4-羟基-5-甲基-1H-吡咯-2-羧酸甲酯
Molecular Weight
155.151 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point350.8±37.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point165.9±26.5 °C

Frequently Asked Questions

What is the CAS number of Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate?

The CAS number of Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate is 203208-35-9.

What are the molecular formula and molecular weight of Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate?

Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate has molecular formula C7H9NO3 and molecular weight 155.151 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 4-hydroxy-5-methyl-1H-pyrrole-2-carboxylate (CAS 203208-35-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1485565-4 (accessed 2026-10-24).

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