3,4-dimethyl-1H-pyrrole-2-carboxylic acid

Also known as: 3,4-dimethylpyrrole-2-carboxylic acid, 2-carboxy-3,4-dimethyl-1H-pyrrole, 1H-Pyrrole-2-carboxylic acid, 3,4-dimethyl-

3,4-dimethyl-1H-pyrrole-2-carboxylic acid (CAS 89776-55-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2 and a molecular weight of 139.15200 g/mol. Key properties include a boiling point of 326.2ºC at 760 mmHg, a density of 1.233g/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.: 89776-55-6
Jingsj CID: J-1456623-5
Molecular Formula: C₇H₉NO₂
Molecular Weight: 139.15200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	326.2ºC at 760 mmHg
Density	1.233g/cm3
Flash Point	151.1ºC
Exact Mass	139.06300
PSA	53.09000
LogP	1.32970
Refractive Index	1.574

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 3,4-dimethyl-1H-pyrrole-2-carboxylic acid?

The CAS number of 3,4-dimethyl-1H-pyrrole-2-carboxylic acid is 89776-55-6.

What are the molecular formula and molecular weight of 3,4-dimethyl-1H-pyrrole-2-carboxylic acid?

3,4-dimethyl-1H-pyrrole-2-carboxylic acid has molecular formula C7H9NO2 and molecular weight 139.15200 g/mol.

What are the upstream and downstream products of 3,4-dimethyl-1H-pyrrole-2-carboxylic acid?

For 3,4-dimethyl-1H-pyrrole-2-carboxylic acid, Upstream Products: Ethyl 3,4-dimethyl-1H-pyrrole-2-carboxylate, Ethyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate, Ethyl 4-formyl-3,5-dimethyl-1H-pyrrole-2-carboxylate; Downstream Products: 3,4-Dimethyl-1H-pyrrole-2-carboxaldehyde, 3,4-dimethyl-1H-pyrrole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,4-dimethyl-1H-pyrrole-2-carboxylic acid (CAS 89776-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1456623-5 (accessed 2026-11-09).

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