Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate

2-甲基-5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯

Also known as: Methyl 3-hydroxy-1-methyl-1H-pyrazole-5-carboxylate, 2,5-Dihydro-2-methyl-5-oxo-1H-pyrazole-3-carboxylic acid methyl ester, 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-2-methyl-5-oxo-, methyl ester, 5-hydroxy-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester, Methyl 3-hydroxy-1-methylpyrazole-5-carboxylate

Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 52867-42-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O3 and a molecular weight of 156.13900 g/mol. It is also known as Methyl 3-hydroxy-1-methyl-1H-pyrazole-5-carboxylate, 2,5-Dihydro-2-methyl-5-oxo-1H-pyrazole-3-carboxylic acid methyl ester and 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-2-methyl-5-oxo-, methyl ester. Key properties include a boiling point of 330.7ºC at 760mmHg, a density of 1.288g/cm3 and a flash point of 153.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52867-42-2

Jingsj CID

J-1073259-7

Molecular Formula

C₆H₈N₂O₃

Chinese Name

2-甲基-5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯

Molecular Weight

156.13900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026