3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-chromen-4-one CAS 14221-65-9

Purity 97%+In StockPharmaceutical Standards
CAS No.14221-65-9
Molecular FormulaC18H16O7
Molecular Weight344.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-chromen-4-one CAS 14221-65-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 344.32 g/mol gives 3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-chromen-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-chromen-4-one (CAS 14221-65-9), molecular formula C18H16O7 and molecular weight 344.32 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-chromen-4-one (C18H16O7) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-chromen-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC18H16O7
Molecular Weight344.32 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961

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