5,6-DIhydro-2,4-dimethyl-4-phenyl-4H-benzo[b]furo[3′,2′:6,7]cyclohepta[1,2-d]furan CAS 220542-81-4

Purity 97%+In StockPharmaceutical Standards
CAS No.220542-81-4
Molecular FormulaC23H20O2
Molecular Weight328.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-DIhydro-2,4-dimethyl-4-phenyl-4H-benzo[b]furo[3′,2′:6,7]cyclohepta[1,2-d]furan CAS 220542-81-4 chemical structure

Description

5,6-DIhydro-2,4-dimethyl-4-phenyl-4H-benzo[b]furo[3′,2′:6,7]cyclohepta[1,2-d]furan (CAS 220542-81-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H20O2. Molecular weight: 328.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC23H20O2
Molecular Weight328.40 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.)2020

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