5-Methyl-1H-pyrazole-3-carboxylic acid CAS 402-61-9

Purity 97%+In StockPharmaceutical Standards
CAS No.402-61-9
Molecular FormulaC5H6N2O2
Molecular Weight126.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-1H-pyrazole-3-carboxylic acid CAS 402-61-9 chemical structure

Description

CATO supplies 5-Methyl-1H-pyrazole-3-carboxylic acid (CAS 402-61-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6N2O2. Molecular weight: 126.11 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC5H6N2O2
Molecular Weight126.11 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
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.)1957
Nitrogen Atoms2

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