2,3-Dihydro-1,4-dithiino[2,3-c]furan-5,7-dione

2,3-二氢-1,4-二噻英并[2,3-c]呋喃-5,7-二酮

Also known as: 5,6-Dihydro-1,4-dithiin-2,3-dicarboxylic anhydride, 2,3-Dihydro-1,4-dithiino[2,3-c]furan-5,7-dione, 3,6-Dithia-3,4,5,6-tetrahydrophthalic anhydride, 5,6-Dihydro-1,4-dithiine-2,3-dicarboxylic anhydride, MFCD00223990, EINECS 234-015-0

2,3-Dihydro-1,4-dithiino[2,3-c]furan-5,7-dione (CAS 10489-75-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4O3S2 and a molecular weight of 188.224 g/mol. It is also known as 5,6-Dihydro-1,4-dithiin-2,3-dicarboxylic anhydride, 3,6-Dithia-3,4,5,6-tetrahydrophthalic anhydride and 5,6-Dihydro-1,4-dithiine-2,3-dicarboxylic anhydride. Key properties include a melting point of 112-115 °C(lit.), a boiling point of 339.8±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 178.5±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

10489-75-5

Jingsj CID

J-35758-8

Molecular Formula

C₆H₄O₃S₂

Chinese Name

2,3-二氢-1,4-二噻英并[2,3-c]呋喃-5,7-二酮

Molecular Weight

188.224 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026