(E)-4-((E)-3-phenylallylidene)isochromane-1,3-dione CAS 69139-24-8

Purity 97%+In StockPharmaceutical Standards
CAS No.69139-24-8
Molecular FormulaC18H12O3
Molecular Weight276.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-4-((E)-3-phenylallylidene)isochromane-1,3-dione CAS 69139-24-8 chemical structure

Description

High-purity (E)-4-((E)-3-phenylallylidene)isochromane-1,3-dione (CAS 69139-24-8) pharmaceutical standards reference standard. Molecular formula: C18H12O3. Molecular weight: 276.29 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC18H12O3
Molecular Weight276.29 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976

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