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

5-溴-4-甲基噻吩-2-羧酸

Also known as: 5-bromo-4-methyl-2-thiophenecarboxylic acid, 2-thiophenecarboxylic acid, 5-bromo-4-methyl-, 5-bromo-4-methyl-thiophene-2-carboxylic acid, 5-bromo-4-methylthiophene-2-carboxylic acid

5-bromo-4-methylthiophene-2-carboxylic acid (CAS 54796-53-1) 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 5-bromo-4-methyl-2-thiophenecarboxylic acid, 2-thiophenecarboxylic acid, 5-bromo-4-methyl- and 5-bromo-4-methyl-thiophene-2-carboxylic acid. Key properties include a boiling point of 322.448ºC at 760 mmHg, a density of 1.784 g/cm3 and a flash point of 148.812ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54796-53-1
Jingsj CID: J-868465-7
Molecular Formula: C₆H₅BrO₂S
Chinese Name: 5-溴-4-甲基噻吩-2-羧酸
Molecular Weight: 221.07200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	322.448ºC at 760 mmHg
Density	1.784 g/cm3
Flash Point	148.812ºC

Frequently Asked Questions

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

The CAS number of 5-bromo-4-methylthiophene-2-carboxylic acid is 54796-53-1.

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

5-bromo-4-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. "5-bromo-4-methylthiophene-2-carboxylic acid (CAS 54796-53-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-868465-7 (accessed 2026-10-22).

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