5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonic acid

5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-b]硫代吡喃-2-磺酸

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

5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonic acid (CAS 120279-86-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O4S3 and a molecular weight of 264.34200 g/mol. It is also known as 4H-Thieno[2,3-b]thiopyran-2-sulfonic acid, 5,6-dihydro-6-methyl-4-oxo- and 6-Methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonic acid. Key property: a density of 1.607±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

120279-86-9

Jingsj CID

J-922650-4

Molecular Formula

C₈H₈O₄S₃

Chinese Name

5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-b]硫代吡喃-2-磺酸

Molecular Weight

264.34200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026