2-Methyl-5-phenyl-4-(prop-2-yn-1-yl)isoxazol-3(2H)-one CAS 203917-60-6

Purity 97%+In StockPharmaceutical Standards
CAS No.203917-60-6
Molecular FormulaC13H11NO2
Molecular Weight213.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-5-phenyl-4-(prop-2-yn-1-yl)isoxazol-3(2H)-one CAS 203917-60-6 chemical structure

Description

2-Methyl-5-phenyl-4-(prop-2-yn-1-yl)isoxazol-3(2H)-one (CAS 203917-60-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11NO2. Molecular weight: 213.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC13H11NO2
Molecular Weight213.23 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2015
Nitrogen Atoms1

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