3,3-Di-p-tolylisobenzofuran-1(3H)-one CAS 28864-65-5

Purity 97%+In StockPharmaceutical Standards
CAS No.28864-65-5
Molecular FormulaC22H18O2
Molecular Weight314.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,3-Di-p-tolylisobenzofuran-1(3H)-one CAS 28864-65-5 chemical structure

Description

3,3-Di-p-tolylisobenzofuran-1(3H)-one (CAS 28864-65-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H18O2. Molecular weight: 314.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC22H18O2
Molecular Weight314.38 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965

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