Methyl 4-O-[4-6-O-benzylidene)-β-D-galactopyranosyl] β-D-glucopyranoside CAS 56865-31-7

Purity 97%+In StockPharmaceutical Standards
CAS No.56865-31-7
Molecular FormulaC20H28O11
Molecular Weight444.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 4-O-[4-6-O-benzylidene)-β-D-galactopyranosyl] β-D-glucopyranoside CAS 56865-31-7 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 4-O-[4-6-O-benzylidene)-β-D-galactopyranosyl] β-D-glucopyranoside.

Methyl 4-O-[4-6-O-benzylidene)-β-D-galactopyranosyl] β-D-glucopyranoside (CAS 56865-31-7) is a high-purity analytical reference standard with the molecular formula C20H28O11 and a molecular weight of 444.43 g/mol.

Based on its molecular formula C20H28O11, Methyl 4-O-[4-6-O-benzylidene)-β-D-galactopyranosyl] β-D-glucopyranoside 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 444.43 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).

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), Methyl 4-O-[4-6-O-benzylidene)-β-D-galactopyranosyl] β-D-glucopyranoside 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 FormulaC20H28O11
Molecular Weight444.43 g/mol
AppearanceOff-white to pale yellow crystalline powder
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

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