Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate CAS 79746-67-1

Purity 97%+In StockPharmaceutical Standards
CAS No.79746-67-1
Molecular FormulaC5H6N2O3
Molecular Weight142.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate CAS 79746-67-1 chemical structure

Description

CATO supplies Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate (CAS 79746-67-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6N2O3. Molecular weight: 142.11 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC5H6N2O3
Molecular Weight142.11 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1979
Nitrogen Atoms2

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