4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride

4-[(4-氯苯基)磺酰基]-3-甲基噻吩-2-羰酰氯

Also known as: 4-(4-chlorobenzenesulfonyl)-3-methylthiophene-2-carbonyl chloride, 4-[(4-chlorophenyl)sulphonyl]-3-methylthiophene-2-carbonyl chloride, 4-(4-chlorobenzenesulphonyl)-3-methylthiophene-2-carbonyl chloride, 2-thiophenecarbonyl chloride, 4-[(4-chlorophenyl)sulfonyl]-3-methyl-

4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride (CAS 175137-66-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2O3S2 and a molecular weight of 335.22600 g/mol. It is also known as 4-(4-chlorobenzenesulfonyl)-3-methylthiophene-2-carbonyl chloride, 4-[(4-chlorophenyl)sulphonyl]-3-methylthiophene-2-carbonyl chloride and 4-(4-chlorobenzenesulphonyl)-3-methylthiophene-2-carbonyl chloride. Key properties include a melting point of 131ºC, a boiling point of 501.4ºC at 760mmHg, a density of 1.51g/cm3 and a flash point of 257ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175137-66-3
Jingsj CID
J-1344314-0
Molecular Formula
C12H8Cl2O3S2
Chinese Name
4-[(4-氯苯基)磺酰基]-3-甲基噻吩-2-羰酰氯
Molecular Weight
335.22600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point131ºC
Boiling Point501.4ºC at 760mmHg
Density1.51g/cm3
Flash Point257ºC

Frequently Asked Questions

What is the CAS number of 4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride?

The CAS number of 4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride is 175137-66-3.

What are the molecular formula and molecular weight of 4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride?

4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride has molecular formula C12H8Cl2O3S2 and molecular weight 335.22600 g/mol.

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

Last updated:

How to cite: Jingsj. "4-[(4-chlorophenyl)sulfonyl]-3-methylthiophene-2-carbonyl chloride (CAS 175137-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1344314-0 (accessed 2026-10-25).

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