(2S,3R,4R,5R,6S)-2-((5,7-Dihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl)oxy)-4,5-dihydroxy-6-methyltetrahydro-2H-pyran-3-yl 3,4,5-trihydroxybenzoate CAS 56939-52-7

Purity 97%+In StockPharmaceutical Standards
CAS No.56939-52-7
Molecular FormulaC28H24O16
Molecular Weight616.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2S,3R,4R,5R,6S)-2-((5,7-Dihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl)oxy)-4,5-dihydroxy-6-methyltetrahydro-2H-pyran-3-yl 3,4,5-trihydroxybenzoate CAS 56939-52-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 616.48 g/mol gives (2S,3R,4R,5R,6S)-2-((5,7-Dihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl)oxy)-4,5-dihydroxy-6-methyltetrahydro-2H-pyran-3-yl 3,4,5-trihydroxybenzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(2S,3R,4R,5R,6S)-2-((5,7-Dihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl)oxy)-4,5-dihydroxy-6-methyltetrahydro-2H-pyran-3-yl 3,4,5-trihydroxybenzoate (CAS 56939-52-7), molecular formula C28H24O16 and molecular weight 616.48 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (2S,3R,4R,5R,6S)-2-((5,7-Dihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl)oxy)-4,5-dihydroxy-6-methyltetrahydro-2H-pyran-3-yl 3,4,5-trihydroxybenzoate (C28H24O16) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 616.48 g/mol, it falls into the high-molecular-weight range. 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).

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.

As a certified reference material (CRM), (2S,3R,4R,5R,6S)-2-((5,7-Dihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl)oxy)-4,5-dihydroxy-6-methyltetrahydro-2H-pyran-3-yl 3,4,5-trihydroxybenzoate 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 FormulaC28H24O16
Molecular Weight616.48 g/mol
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)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

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