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3-Bromothiophene-2-sulfonyl chloride

3-溴噻吩-2-磺酰氯

Also known as: 3-bromothiophene-2-sulphonyl chloride, 3-bromo-2-thiophenesulfonyl chloride, 2-Thiophenesulfonyl chloride, 3-bromo-, 3-Bromothiophene-2-sulfonyl chloride, 90+%, 3-Bromo-2-(chlorosulphonyl)thiophene

3-Bromothiophene-2-sulfonyl chloride (CAS 170727-02-3) 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 261.54400 g/mol. It is also known as 3-bromothiophene-2-sulphonyl chloride, 3-bromo-2-thiophenesulfonyl chloride and 2-Thiophenesulfonyl chloride, 3-bromo-. Key properties include a melting point of 39-41.5ºC, a boiling point of 320.926ºC at 760 mmHg, a density of 1.985g/cm3 and a flash point of 147.891ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
170727-02-3
Jingsj CID
J-1352528-6
Molecular Formula
C4H2BrClO2S2
Chinese Name
3-溴噻吩-2-磺酰氯
Molecular Weight
261.54400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point39-41.5ºC
Boiling Point320.926ºC at 760 mmHg
Density1.985g/cm3
Flash Point147.891ºC

Frequently Asked Questions

What is the CAS number of 3-Bromothiophene-2-sulfonyl chloride?

The CAS number of 3-Bromothiophene-2-sulfonyl chloride is 170727-02-3.

What are the molecular formula and molecular weight of 3-Bromothiophene-2-sulfonyl chloride?

3-Bromothiophene-2-sulfonyl chloride has molecular formula C4H2BrClO2S2 and molecular weight 261.54400 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Bromothiophene-2-sulfonyl chloride (CAS 170727-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1352528-6 (accessed 2026-10-26).

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