3-(2,2-Dimethylchroman-6-yl)-7-hydroxy-4H-chromen-4-one CAS 40357-43-5

Purity 97%+In StockPharmaceutical Standards
CAS No.40357-43-5
Molecular FormulaC20H18O4
Molecular Weight322.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2,2-Dimethylchroman-6-yl)-7-hydroxy-4H-chromen-4-one CAS 40357-43-5 chemical structure

Description

3-(2,2-Dimethylchroman-6-yl)-7-hydroxy-4H-chromen-4-one (CAS 40357-43-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H18O4. Molecular weight: 322.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H18O4
Molecular Weight322.35 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968

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