Octyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-β-D-glucopyranoside CAS 197390-85-5

Purity 97%+In StockPharmaceutical Standards
CAS No.197390-85-5
Molecular FormulaC22H41NO11
Molecular Weight495.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Octyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-β-D-glucopyranoside CAS 197390-85-5 chemical structure

Description

The occurrence of Octyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-β-D-glucopyranoside is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Octyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-β-D-glucopyranoside (CAS 197390-85-5), molecular formula C22H41NO11 and molecular weight 495.56 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Octyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-β-D-glucopyranoside (C22H41NO11) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 495.56 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC22H41NO11
Molecular Weight495.56 g/mol
AppearanceWhite 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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2013
Nitrogen Atoms1

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