Diethyl 2,6-bis(methylthio)-4-oxo-4H-thiopyran-3,5-dicarboxylate

2,6-双(甲硫基)-4-氧代-4H-硫代吡喃-3,5-二羧酸二乙酯

Also known as: Diethyl 2,6-bis(methylsulfanyl)-4-oxothiopyran-3,5-dicarboxylate, 4H-Thiopyran-3,5-dicarboxylic acid, 2,6-bis(methylthio)-4-oxo-, 3,5-diethyl ester, 2,6-Bis-methylmercapto-4-oxo-4H-thiopyran-3,5-dicarbonsaeure-diaethylester

Diethyl 2,6-bis(methylthio)-4-oxo-4H-thiopyran-3,5-dicarboxylate (CAS 13700-78-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H16O5S3 and a molecular weight of 348.45800 g/mol. It is also known as Diethyl 2,6-bis(methylsulfanyl)-4-oxothiopyran-3,5-dicarboxylate, 4H-Thiopyran-3,5-dicarboxylic acid, 2,6-bis(methylthio)-4-oxo-, 3,5-diethyl ester and 2,6-Bis-methylmercapto-4-oxo-4H-thiopyran-3,5-dicarbonsaeure-diaethylester. Key properties include a boiling point of 459.5ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 225.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

13700-78-2

Jingsj CID

J-1082626-5

Molecular Formula

C₁₃H₁₆O₅S₃

Chinese Name

2,6-双(甲硫基)-4-氧代-4H-硫代吡喃-3,5-二羧酸二乙酯

Molecular Weight

348.45800 g/mol

Category

Organic Acids

Last updated

8/21/2026