5-Methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde CAS 20719-13-5

Purity 97%+In StockPharmaceutical Standards
CAS No.20719-13-5
Molecular FormulaC11H10N2O2
Molecular Weight202.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde CAS 20719-13-5 chemical structure

Description

5-Methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde (CAS 20719-13-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10N2O2. Molecular weight: 202.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

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.)1962
Nitrogen Atoms2

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