Ethyl 5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate

5-氧代-4,5-二氢-1H-吡唑-3-羧酸乙酯

Also known as: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-, ethyl ester, NSC 14668, Ethyl 5-oxo-5H-pyrazole-3-carboxylate, 5-Pyrazolone-3-carboxylic acid ethyl ester, Ethyl 4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylate, Ethyl 5-oxo-1,4-dihydropyrazole-3-carboxylate, 5-Oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester, ethyl pyrazol-5-one-3-carboxylate

Ethyl 5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 58607-90-2) 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 156.139 g/mol. It is also known as 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-, ethyl ester, NSC 14668 and Ethyl 5-oxo-5H-pyrazole-3-carboxylate. Key property: a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

58607-90-2

Jingsj CID

J-1491235-5

Molecular Formula

C₆H₈N₂O₃

Chinese Name

5-氧代-4,5-二氢-1H-吡唑-3-羧酸乙酯

Molecular Weight

156.139 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026