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4-Methyl-1H-pyrrole-2-carboxylic acid

Also known as: 4-Methylpyrrole-2-carboxylic acid, 4-Methyl pyrrole-2-carboxylic acid, 1H-Pyrrole-2-carboxylic acid, 4-methyl-, 2-Carboxy-4-methyl-pyrrol, 4-METHYL PYRROLE-2-CARBOXYLIC ACID, 4-METHYL-1H-PYRROLE-2-CARBOXYLIC ACID, 4-Methyl-2-carboxy-pyrrol, 4-Methyl-pyrrol-2-carbonsaeure, 4-Methylpyrrole-2-carboxylic acid 97%, 4-methyl-1H-pyrrole-2-carboxylic acid, 4-methyl-1H-pyrrole-2-carboxylic acid - [M22016], 4-methylpyrrol-2-carboxylate, MFCD03839931, REF DUPL: 4-Methyl pyrrole-2-carboxylic acid

4-Methyl-1H-pyrrole-2-carboxylic acid (CAS 18711-59-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NO2 and a molecular weight of 125.12500 g/mol. Key properties include a melting point of 200-205°C, a boiling point of 326.3ºC at 760mmHg, a density of 1.295g/cm3 and a flash point of 151.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18711-59-6
Jingsj CID
J-1517325-8
Molecular Formula
C6H7NO2
Molecular Weight
125.12500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point200-205°C
Boiling Point326.3ºC at 760mmHg
Density1.295g/cm3
Flash Point151.1ºC
Exact Mass125.04800
PSA53.09000
LogP1.02130
Vapor Pressure0mmHg at 25°C
Refractive Index1.587

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Methyl-1H-pyrrole-2-carboxylic acid?

The CAS number of 4-Methyl-1H-pyrrole-2-carboxylic acid is 18711-59-6.

What are the molecular formula and molecular weight of 4-Methyl-1H-pyrrole-2-carboxylic acid?

4-Methyl-1H-pyrrole-2-carboxylic acid has molecular formula C6H7NO2 and molecular weight 125.12500 g/mol.

What are the upstream and downstream products of 4-Methyl-1H-pyrrole-2-carboxylic acid?

For 4-Methyl-1H-pyrrole-2-carboxylic acid, Upstream Products: methyl 4-methyl-1H-pyrrole-2-carboxylate; Downstream Products: methyl 4-methyl-1H-pyrrole-2-carboxylate, 3-Methyl-1H-pyrrole.

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

Last updated:

How to cite: Jingsj. "4-Methyl-1H-pyrrole-2-carboxylic acid (CAS 18711-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517325-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.