4-Bromo-3-methylthiophene-2-carboxylic acid

4-溴-3-甲基噻吩-2-羧酸

Also known as: 4-Bromo-3-methyl-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 4-bromo-3-methyl-, 4-BROMO-3-METHYLTHIOPHENECARBOXYLIC ACID, 4-Bromo-3-methylthiophenecarboxylic acid, 4-bromo-3-methyl-thiophene-2-carboxylic acid

4-Bromo-3-methylthiophene-2-carboxylic acid (CAS 265652-39-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5BrO2S and a molecular weight of 221.072 g/mol. It is also known as 4-Bromo-3-methyl-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 4-bromo-3-methyl- and 4-BROMO-3-METHYLTHIOPHENECARBOXYLIC ACID. Key properties include a boiling point of 323.7±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 149.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
265652-39-9
Jingsj CID
J-1523652-4
Molecular Formula
C6H5BrO2S
Chinese Name
4-溴-3-甲基噻吩-2-羧酸
Molecular Weight
221.072 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point323.7±42.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point149.6±27.9 °C

Frequently Asked Questions

What is the CAS number of 4-Bromo-3-methylthiophene-2-carboxylic acid?

The CAS number of 4-Bromo-3-methylthiophene-2-carboxylic acid is 265652-39-9.

What are the molecular formula and molecular weight of 4-Bromo-3-methylthiophene-2-carboxylic acid?

4-Bromo-3-methylthiophene-2-carboxylic acid has molecular formula C6H5BrO2S and molecular weight 221.072 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Bromo-3-methylthiophene-2-carboxylic acid (CAS 265652-39-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523652-4 (accessed 2026-10-24).

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