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4-Bromo-3-methyl-2-thiophenecarbonyl chloride

4-溴-3-甲基噻吩-2-甲酰氯

Also known as: 4-Bromo-3-methylthiophene-2-carbonyl chloride, 4-Bromo-3-methylthiophene-2-carboxylic acid chloride, 4-Bromo-3-methylthiophenecarbonyl chloride, 4-Bromo-3-methylthiophenecarboxylic acid chloride, 2-Thiophenecarbonyl chloride, 4-bromo-3-methyl-

4-Bromo-3-methyl-2-thiophenecarbonyl chloride (CAS 265652-36-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4BrClOS and a molecular weight of 239.51700 g/mol. It is also known as 4-Bromo-3-methylthiophene-2-carbonyl chloride, 4-Bromo-3-methylthiophene-2-carboxylic acid chloride and 4-Bromo-3-methylthiophenecarbonyl chloride. Key properties include a melting point of 60-61ºC, a boiling point of 277.8ºC at 760mmHg, a density of 1.738g/cm3 and a flash point of 121.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
265652-36-6
Jingsj CID
J-1401955-5
Molecular Formula
C6H4BrClOS
Chinese Name
4-溴-3-甲基噻吩-2-甲酰氯
Molecular Weight
239.51700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point60-61ºC
Boiling Point277.8ºC at 760mmHg
Density1.738g/cm3
Flash Point121.8ºC

Frequently Asked Questions

What is the CAS number of 4-Bromo-3-methyl-2-thiophenecarbonyl chloride?

The CAS number of 4-Bromo-3-methyl-2-thiophenecarbonyl chloride is 265652-36-6.

What are the molecular formula and molecular weight of 4-Bromo-3-methyl-2-thiophenecarbonyl chloride?

4-Bromo-3-methyl-2-thiophenecarbonyl chloride has molecular formula C6H4BrClOS and molecular weight 239.51700 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-methyl-2-thiophenecarbonyl chloride (CAS 265652-36-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401955-5 (accessed 2026-10-25).

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