32703-79-0 4-tert-Butylphthalic anhydride 5-tert-butylisobenzofuran-1,3-dione CAS 32703-79-0

Purity 97%+In StockPharmaceutical Standards
CAS No.32703-79-0
Molecular FormulaC12H18O3
Molecular Weight210.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

32703-79-0 4-tert-Butylphthalic anhydride 5-tert-butylisobenzofuran-1,3-dione CAS 32703-79-0 chemical structure

Description

32703-79-0 4-tert-Butylphthalic anhydride 5-tert-butylisobenzofuran-1,3-dione (CAS 32703-79-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H18O3. Molecular weight: 210.27 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC12H18O3
Molecular Weight210.27 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

Recommended Standards

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