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

5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯

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

CAS No.
86625-25-4
Jingsj CID
J-1163038-2
Molecular Formula
C5H6N2O3
Chinese Name
5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯
Molecular Weight
142.11300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Density1.338g/cm3

Frequently Asked Questions

What is the CAS number of Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?

86625-25-4

What are the molecular formula and molecular weight of Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?

C5H6N2O3, molecular weight 142.11300 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026