3,5,7,8-Tetrahydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one CAS 96238-95-8

Purity 97%+In StockPharmaceutical Standards
CAS No.96238-95-8
Molecular FormulaC16H12O7
Molecular Weight316.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5,7,8-Tetrahydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one CAS 96238-95-8 chemical structure

Description

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.

3,5,7,8-Tetrahydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 96238-95-8) is a high-purity analytical reference standard with the molecular formula C16H12O7 and a molecular weight of 316.26 g/mol.

Based on its molecular formula C16H12O7, 3,5,7,8-Tetrahydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 316.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 3,5,7,8-Tetrahydroxy-2-(4-methoxyphenyl)-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 FormulaC16H12O7
Molecular Weight316.26 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.)1984

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