4-bromothiophene-2-sulfonyl chloride

4-溴-2-噻吩磺酰氯

Also known as: 4-bromo-2-thiophenesulfonyl chloride, 2-thiophenesulfonyl chloride, 4-bromo-, 4-bromothiophene-2-sulfonylchloride, 2-thiophenesulfonylchloride, 4-bromo-

4-bromothiophene-2-sulfonyl chloride (CAS 185329-76-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2BrClO2S2 and a molecular weight of 261.544 g/mol. It is also known as 4-bromo-2-thiophenesulfonyl chloride, 2-thiophenesulfonyl chloride, 4-bromo- and 4-bromothiophene-2-sulfonylchloride. Key properties include a melting point of 110.4ºC, a boiling point of 322.2±27.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 148.6±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
185329-76-4
Jingsj CID
J-1412196-4
Molecular Formula
C4H2BrClO2S2
Chinese Name
4-溴-2-噻吩磺酰氯
Molecular Weight
261.544 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point110.4ºC
Boiling Point322.2±27.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point148.6±23.7 °C

Frequently Asked Questions

What is the CAS number of 4-bromothiophene-2-sulfonyl chloride?

The CAS number of 4-bromothiophene-2-sulfonyl chloride is 185329-76-4.

What are the molecular formula and molecular weight of 4-bromothiophene-2-sulfonyl chloride?

4-bromothiophene-2-sulfonyl chloride has molecular formula C4H2BrClO2S2 and molecular weight 261.544 g/mol.

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

Last updated:

How to cite: Jingsj. "4-bromothiophene-2-sulfonyl chloride (CAS 185329-76-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412196-4 (accessed 2026-10-25).

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