4-Mercapto-6-methylpyrimidin-2(1H)-one

4-巯基-6-甲基嘧啶-2(1H)-酮

Also known as: 6-methyl-4-sulfanylidene-1H-pyrimidin-2-one, 6-Methyl-4-thioxo-3,4-dihydropyrimidin-2(1H)-one, 3,4-Dihydro-6-methyl-4-thioxo-2(1H)-pyrimidinone, 4-Methyl-6-sulfanylpyrimidin-2-ol, 6-methyl-4-sulfanylidene-1,2,3,4-tetrahydropyrimidin-2-one

4-Mercapto-6-methylpyrimidin-2(1H)-one (CAS 638-13-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2OS and a molecular weight of 142.17900 g/mol. It is also known as 6-methyl-4-sulfanylidene-1H-pyrimidin-2-one, 6-Methyl-4-thioxo-3,4-dihydropyrimidin-2(1H)-one and 3,4-Dihydro-6-methyl-4-thioxo-2(1H)-pyrimidinone. Key properties include a boiling point of 387.8ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 188.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

638-13-1

Jingsj CID

J-888423-3

Molecular Formula

C₅H₆N₂OS

Chinese Name

4-巯基-6-甲基嘧啶-2(1H)-酮

Molecular Weight

142.17900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026