6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

6-甲基-4-氧-5,6-二氢-4H-噻吩并[2,3-b]噻喃-2-磺酰胺

Also known as: 6-Methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide, (±)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-Dihydro-6-methylthieno[2,3-b]thiopyran-4-one-2-sulfonamide, Dorzolamide intermediate, 4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-dihydro-6-methyl-4-oxo-

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide (CAS 120279-88-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3S3 and a molecular weight of 263.357 g/mol. It is also known as 6-Methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide, (±)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide and 5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonamide. Key properties include a boiling point of 520.6±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 268.7±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

120279-88-1

Jingsj CID

J-1516406-3

Molecular Formula

C₈H₉NO₃S₃

Chinese Name

6-甲基-4-氧-5,6-二氢-4H-噻吩并[2,3-b]噻喃-2-磺酰胺

Molecular Weight

263.357 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026