6-methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride

5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-b]噻喃-2-磺酰氯

Also known as: 5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride, 4H-Thieno[2,3-b]thiopyran-2-sulfonyl chloride, 5,6-dihydro-6-methyl-4-oxo-, 6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonyl chloride

6-methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride (CAS 120279-87-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO3S3 and a molecular weight of 282.78700 g/mol. It is also known as 5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride, 4H-Thieno[2,3-b]thiopyran-2-sulfonyl chloride, 5,6-dihydro-6-methyl-4-oxo- and 6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonyl chloride. Key properties include a boiling point of 459.1ºC at 760 mmHg, a density of 1.585 and a flash point of 231.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

120279-87-0

Jingsj CID

J-1105014-2

Molecular Formula

C₈H₇ClO₃S₃

Chinese Name

5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-b]噻喃-2-磺酰氯

Molecular Weight

282.78700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026