4-(3,5-Di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one CAS 153787-33-8

Purity 97%+In StockPharmaceutical Standards
CAS No.153787-33-8
Molecular FormulaC24H28N2O2
Molecular Weight376.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(3,5-Di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one CAS 153787-33-8 chemical structure

Description

4-(3,5-Di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one (CAS 153787-33-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H28N2O2. Molecular weight: 376.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC24H28N2O2
Molecular Weight376.49 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.)2000
Nitrogen Atoms2

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