7-Methyl-1,2,4-triazolo[4,3-a]pyrimidin-5-ol

7-甲基-1,2,4-三唑并[4,3-a]嘧啶-5-醇

Also known as: 7-methyl-1H-[1,2,4]triazolo[4,3-a]pyrimidin-5-one, 1,2,4-Triazolo[4,3-a]pyrimidin-5-ol, 7-methyl-, 5-Hydroxy-7-methyl-1,2,4-triazolo<4,3-a>pyrimidin, 5-Hydroxy-7-methyl-s-triazol<3,4-a>pyrimidin, 7-methyl-1,2,4-triazolo(4,3-a)pyrimidin-5-ol, 4-hydroxy-6-methyl-1,2,3a,7-tetraazaindene, 5-hydroxy-7-methyl-1,2,8-triazaindolizine

7-Methyl-1,2,4-triazolo[4,3-a]pyrimidin-5-ol (CAS 3886-55-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N4O and a molecular weight of 150.13800 g/mol. It is also known as 7-methyl-1H-[1,2,4]triazolo[4,3-a]pyrimidin-5-one, 1,2,4-Triazolo[4,3-a]pyrimidin-5-ol, 7-methyl- and 5-Hydroxy-7-methyl-1,2,4-triazolo<4,3-a>pyrimidin. Key properties include a boiling point of 241.6ºC at 760mmHg, a density of 1.6g/cm3 and a flash point of 99.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3886-55-3

Jingsj CID

J-49400-7

Molecular Formula

C₆H₆N₄O

Chinese Name

7-甲基-1,2,4-三唑并[4,3-a]嘧啶-5-醇

Molecular Weight

150.13800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026