(E)-4-(3,5-Di-tert-butyl-4-hydroxybenzylidene)-2-methylisoxazolidin-3-one CAS 127245-20-9

Purity 97%+In StockPharmaceutical Standards
CAS No.127245-20-9
Molecular FormulaC19H27NO3
Molecular Weight317.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-4-(3,5-Di-tert-butyl-4-hydroxybenzylidene)-2-methylisoxazolidin-3-one CAS 127245-20-9 chemical structure

Description

(E)-4-(3,5-Di-tert-butyl-4-hydroxybenzylidene)-2-methylisoxazolidin-3-one (CAS 127245-20-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H27NO3. Molecular weight: 317.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC19H27NO3
Molecular Weight317.42 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms1

Recommended Standards

Why CATO?