4-bromo-5-methylthiophene-2-carboxylic acid

4-溴-5-甲基噻吩-2-甲酸

Also known as: 4-BROMO-5-METHYL-2-THIOPHENECARBOXYLIC ACID, 4-BROMO-5-METHYLTHIOPHENE-2-CARBOXYLIC ACID, AKOS B029947, ART-CHEM-BB B029947, VITAS-BB TBB010222, 2-Thiophenecarboxylic acid, 4-bromo-5-methyl-

4-bromo-5-methylthiophene-2-carboxylic acid (CAS 29421-99-6) 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 221.07200 g/mol. It is also known as 4-BROMO-5-METHYL-2-THIOPHENECARBOXYLIC ACID, 4-BROMO-5-METHYLTHIOPHENE-2-CARBOXYLIC ACID and AKOS B029947. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29421-99-6
Jingsj CID: J-1524944-9
Molecular Formula: C₆H₅BrO₂S
Chinese Name: 4-溴-5-甲基噻吩-2-甲酸
Molecular Weight: 221.07200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-bromo-5-methylthiophene-2-carboxylic acid?

The CAS number of 4-bromo-5-methylthiophene-2-carboxylic acid is 29421-99-6.

What are the molecular formula and molecular weight of 4-bromo-5-methylthiophene-2-carboxylic acid?

4-bromo-5-methylthiophene-2-carboxylic acid has molecular formula C6H5BrO2S and molecular weight 221.07200 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-bromo-5-methylthiophene-2-carboxylic acid (CAS 29421-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524944-9 (accessed 2026-10-23).

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