6-Aza-2-thiouracil

6-杂氮-2-硫脲嘧啶

Also known as: 3,4-dihydro-3-thioxo-1,2,4-triazin-5(2H)-one, 2-Thio-6-azauracil, 5-Hydroxy-3-mercapto-1,2,4-triazine, 3-thioxo-3,4-dihydro-1,2,4-triazin-5(2H)-one, 3-sulfanyl-1,2,4-triazin-5-ol, 1,2,4-triazin-5-ol, 3-mercapto-, as-Triazin-5-ol, 3-mercapto-

6-Aza-2-thiouracil (CAS 626-08-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3N3OS and a molecular weight of 129.140 g/mol. It is also known as 3,4-dihydro-3-thioxo-1,2,4-triazin-5(2H)-one, 2-Thio-6-azauracil and 5-Hydroxy-3-mercapto-1,2,4-triazine. Key properties include a melting point of 251 °C (decomp)(Solv: water (7732-18-5)), a boiling point of 373.1ºC at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 179.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

626-08-4

Jingsj CID

J-887424-3

Molecular Formula

C₃H₃N₃OS

Chinese Name

6-杂氮-2-硫脲嘧啶

Molecular Weight

129.140 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026