4-Methyl-3-phenyl-1H-pyrazole-5-carboxylic acid CAS 879770-33-9

Purity 97%+In StockPharmaceutical Standards
CAS No.879770-33-9
Molecular FormulaC11H10N2O2
Molecular Weight202.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methyl-3-phenyl-1H-pyrazole-5-carboxylic acid CAS 879770-33-9 chemical structure

Description

4-Methyl-3-phenyl-1H-pyrazole-5-carboxylic acid (CAS 879770-33-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H10N2O2. Molecular weight: 202.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC11H10N2O2
Molecular Weight202.21 g/mol
AppearancePale yellow to yellow crystalline powder
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2

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