Methyl 2,3,4-tri-O-benzoyl-6-O-triisopropylsilyl-a-D-galactopyranoside CAS 356060-82-7

Purity 97%+In StockPharmaceutical Standards
CAS No.356060-82-7
Molecular FormulaC37H46O9Si
Molecular Weight662.84 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 2,3,4-tri-O-benzoyl-6-O-triisopropylsilyl-a-D-galactopyranoside CAS 356060-82-7 chemical structure

Description

The occurrence of Methyl 2,3,4-tri-O-benzoyl-6-O-triisopropylsilyl-a-D-galactopyranoside is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Methyl 2,3,4-tri-O-benzoyl-6-O-triisopropylsilyl-a-D-galactopyranoside (CAS 356060-82-7), molecular formula C37H46O9Si and molecular weight 662.84 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Methyl 2,3,4-tri-O-benzoyl-6-O-triisopropylsilyl-a-D-galactopyranoside (C37H46O9Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 662.84 g/mol, it falls into the high-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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC37H46O9Si
Molecular Weight662.84 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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