Methyl 5-oxo-4,5-dihydro-1H-1,2,4-triazole-3-carboxylate

5-氧代-4,5-二氢-1H-1,2,4-三唑-3-羧酸甲酯

Also known as: methyl 5-oxo-4,5-dihydro-1H-1,2,4-triazole-3-carboxylate, methyl 5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate, methyl 5-oxo-1,2-dihydro-1,2,4-triazole-3-carboxylate, methyl 5-hydroxy-1,2,4-triazole-3-carboxylate, Ribavirin Impurity 11, Ribavirin SM2 Impurity H, 5-oxo-1,2-dihydro-1,2,4-triazole-3-carboxylic acid methyl ester

Methyl 5-oxo-4,5-dihydro-1H-1,2,4-triazole-3-carboxylate (CAS 57281-13-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O3 and a molecular weight of 143.10100 g/mol. It is also known as methyl 5-oxo-4,5-dihydro-1H-1,2,4-triazole-3-carboxylate, methyl 5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate and methyl 5-oxo-1,2-dihydro-1,2,4-triazole-3-carboxylate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57281-13-7

Jingsj CID

J-873925-4

Molecular Formula

C₄H₅N₃O₃

Chinese Name

5-氧代-4,5-二氢-1H-1,2,4-三唑-3-羧酸甲酯

Molecular Weight

143.10100 g/mol

Category

Organic Acids

Last updated

8/21/2026