5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxamide CAS 6401-98-5

Purity 97%+In StockPharmaceutical Standards
CAS No.6401-98-5
Molecular FormulaC10H9N3O2
Molecular Weight203.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxamide CAS 6401-98-5 chemical structure

Description

5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxamide (CAS 6401-98-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9N3O2. Molecular weight: 203.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC10H9N3O2
Molecular Weight203.20 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
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.)1958
Nitrogen Atoms3

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