7758-73-8 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl- 5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one CAS 7758-73-8

Purity 97%+In StockPharmaceutical Standards
CAS No.7758-73-8
Molecular FormulaC15H22O4
Molecular Weight266.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7758-73-8
2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl-
5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one CAS 7758-73-8 chemical structure

Description

CATO manufactures 7758-73-8 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl- 5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

7758-73-8 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl- 5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one (CAS 7758-73-8), molecular formula C15H22O4 and molecular weight 266.33 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 7758-73-8 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl- 5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one (C15H22O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 266.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC15H22O4
Molecular Weight266.33 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959

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