5-methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol

7-羟基-5-甲基-2-甲硫基-[1,2,4]三唑并[1,5-a]嘧啶

Also known as: 7-Hydroxy-5-methyl-2-methylthio-[1,2,4]triazolo[1,5-a]pyrimidine, 7-Hydroxy-5-methyl-2-methylthio-s-triazolo[1,5-a]pyrimidine, 5-Methyl-2-methylthio-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol, 5-Methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol, 7-Hydroxy-5-methyl-2-(methylthio)[1,2,4]triazolo[1,5-a]pyrimidine, 4-Hydroxy-6-methyl-2-methylmercapto-1,3,3a,7-tetraazaindene, AURORA KA-421, hydroxymethylmethylthiotriazolopyrimidine

5-methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (CAS 40775-78-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N4OS and a molecular weight of 196.23000 g/mol. It is also known as 7-Hydroxy-5-methyl-2-methylthio-[1,2,4]triazolo[1,5-a]pyrimidine, 7-Hydroxy-5-methyl-2-methylthio-s-triazolo[1,5-a]pyrimidine and 5-Methyl-2-methylthio-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol. Key properties include a melting point of 300ºC, a boiling point of 302.5ºC at 760 mmHg, a density of 1.59g/cm3 and a flash point of 136.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40775-78-8

Jingsj CID

J-47157-4

Molecular Formula

C₇H₈N₄OS

Chinese Name

7-羟基-5-甲基-2-甲硫基-[1,2,4]三唑并[1,5-a]嘧啶

Molecular Weight

196.23000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026