4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one

4-乙基-5-甲基-2H-1,2,4-三唑-3(4H)-酮

Also known as: 4-Ethyl-5-methyl-2H-1,2,4-triazol-3(4H)-one, 4-ethyl-5-methyl-2,4-dihydro[1,2,4]triazol-3-one, 4-ethyl-3-methyl-1H-1,2,4-triazol-5-one, 3H-1,2,4-Triazol-3-one, 4-ethyl-2,4-dihydro-5-methyl-

4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 58910-25-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9N3O and a molecular weight of 127.14400 g/mol. It is also known as 4-Ethyl-5-methyl-2H-1,2,4-triazol-3(4H)-one, 4-ethyl-5-methyl-2,4-dihydro[1,2,4]triazol-3-one and 4-ethyl-3-methyl-1H-1,2,4-triazol-5-one. Key property: a density of 1.27g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

58910-25-1

Jingsj CID

J-877514-2

Molecular Formula

C₅H₉N₃O

Chinese Name

4-乙基-5-甲基-2H-1,2,4-三唑-3(4H)-酮

Molecular Weight

127.14400 g/mol

Category

Ketones

Last updated

8/21/2026