4,5-Dibromo-1H-pyrrole-2-carboxylic acid

4,5-二溴-1H-吡咯-2-羧酸

Also known as: 1H-Pyrrole-2-carboxylic acid, 4,5-dibromo-, 4,5-Dibromo-2-pyrrolic acid, 4,5-Dibromo-2-pyrrolecarboxylic acid, 5-Carboxy-2,3-dibromo-1H-pyrrole

4,5-Dibromo-1H-pyrrole-2-carboxylic acid (CAS 34649-21-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H3Br2NO2 and a molecular weight of 268.89100 g/mol. It is also known as 1H-Pyrrole-2-carboxylic acid, 4,5-dibromo-, 4,5-Dibromo-2-pyrrolic acid and 4,5-Dibromo-2-pyrrolecarboxylic acid. Key properties include a melting point of >300ºC, a boiling point of 441.5ºC at 760mmHg, a density of 2.386g/cm3 and a flash point of 220.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34649-21-3
Jingsj CID
J-898320-0
Molecular Formula
C5H3Br2NO2
Chinese Name
4,5-二溴-1H-吡咯-2-羧酸
Molecular Weight
268.89100 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point>300ºC
Boiling Point441.5ºC at 760mmHg
Density2.386g/cm3
Flash Point220.8ºC

Frequently Asked Questions

What is the CAS number of 4,5-Dibromo-1H-pyrrole-2-carboxylic acid?

The CAS number of 4,5-Dibromo-1H-pyrrole-2-carboxylic acid is 34649-21-3.

What are the molecular formula and molecular weight of 4,5-Dibromo-1H-pyrrole-2-carboxylic acid?

4,5-Dibromo-1H-pyrrole-2-carboxylic acid has molecular formula C5H3Br2NO2 and molecular weight 268.89100 g/mol.

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

Last updated:

How to cite: Jingsj. "4,5-Dibromo-1H-pyrrole-2-carboxylic acid (CAS 34649-21-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-898320-0 (accessed 2026-10-22).

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