(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-8-(phenylmethyl)-2H-1-benzopyran-3,5,7-triol CAS 20728-79-4

Purity 97%+In StockPharmaceutical Standards
CAS No.20728-79-4
Molecular FormulaC22H20O6
Molecular Weight380.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-8-(phenylmethyl)-2H-1-benzopyran-3,5,7-triol CAS 20728-79-4 chemical structure

Description

CATO supplies (2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-8-(phenylmethyl)-2H-1-benzopyran-3,5,7-triol (CAS 20728-79-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H20O6. Molecular weight: 380.39 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC22H20O6
Molecular Weight380.39 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 methanol, acetonitrile, DMSO, water (slightly soluble)
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.)1962

Recommended Standards

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