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

3-(氯甲基)-4-甲基-1H-1,2,4-三唑-5(4H)-酮

Also known as: 3-(chloromethyl)-4-methyl-1H-1,2,4-triazol-5-one, 3-(chloromethyl)-4-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one, 5-(Chloromethyl)-2,4-dihydro-4-methyl-3H-1,2,4-triazol-3-one, 5-(Chloromethyl)-4-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one, 5-(chloromethyl)-4-methyl-2H-1,2,4-triazol-3(4H)-one

3-(Chloromethyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 1338226-21-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H6ClN3O and a molecular weight of 147.563 g/mol. It is also known as 3-(chloromethyl)-4-methyl-1H-1,2,4-triazol-5-one, 3-(chloromethyl)-4-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one and 5-(Chloromethyl)-2,4-dihydro-4-methyl-3H-1,2,4-triazol-3-one. Key property: a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1338226-21-3

Jingsj CID

J-1190724-4

Molecular Formula

C₄H₆ClN₃O

Chinese Name

3-(氯甲基)-4-甲基-1H-1,2,4-三唑-5(4H)-酮

Molecular Weight

147.563 g/mol

Category

Ketones

Last updated

8/21/2026