4-bromo-2,5-dichlorothiophene-3-sulfonyl chloride

4-溴-2,5-二氯噻吩-3-磺酰氯

Also known as: 4-bromo-2,5-dichloro-3-thiophenesulfonyl chloride, 4-bromo-2,5-dichlorothiophene-3-sulphonyl chloride, 3-Thiophenesulfonyl chloride, 4-bromo-2,5-dichloro-, BUTTPARK 27\06-17, CD 09555

4-bromo-2,5-dichlorothiophene-3-sulfonyl chloride (CAS 166964-36-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4BrCl3O2S2 and a molecular weight of 330.43500 g/mol. It is also known as 4-bromo-2,5-dichloro-3-thiophenesulfonyl chloride, 4-bromo-2,5-dichlorothiophene-3-sulphonyl chloride and 3-Thiophenesulfonyl chloride, 4-bromo-2,5-dichloro-. Key properties include a melting point of 70-72ºC, a boiling point of 119-121ºC 1mm and a density of 2.122g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

166964-36-9

Jingsj CID

J-8669-9

Molecular Formula

C₄BrCl₃O₂S₂

Chinese Name

4-溴-2,5-二氯噻吩-3-磺酰氯

Molecular Weight

330.43500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026