4-Butyl-5-oxo-1,2-diphenyl-2,5-dihydro-1H-pyrazol-3-yl acetate CAS 57091-22-2

Purity 97%+In StockPharmaceutical Standards
CAS No.57091-22-2
Molecular FormulaC21H22N2O3
Molecular Weight350.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Butyl-5-oxo-1,2-diphenyl-2,5-dihydro-1H-pyrazol-3-yl acetate CAS 57091-22-2 chemical structure

Description

4-Butyl-5-oxo-1,2-diphenyl-2,5-dihydro-1H-pyrazol-3-yl acetate (CAS 57091-22-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H22N2O3. Molecular weight: 350.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC21H22N2O3
Molecular Weight350.41 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973
Nitrogen Atoms2

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