[8,8'-Bi-4H-1-benzopyran]-4,4'-dione,5,5',7,7'-tetrahydroxy-2,2'-bis(4-methoxyphenyl)- CAS 74336-91-7

Purity 97%+In StockPharmaceutical Standards
CAS No.74336-91-7
Molecular FormulaC32H22O10
Molecular Weight566.51 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[8,8'-Bi-4H-1-benzopyran]-4,4'-dione,5,5',7,7'-tetrahydroxy-2,2'-bis(4-methoxyphenyl)- CAS 74336-91-7 chemical structure

Description

[8,8'-Bi-4H-1-benzopyran]-4,4'-dione,5,5',7,7'-tetrahydroxy-2,2'-bis(4-methoxyphenyl)- (CAS 74336-91-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C32H22O10. Molecular weight: 566.51 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC32H22O10
Molecular Weight566.51 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)22.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978

Recommended Standards

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