4-O-(α-D-Galactopyranosyl)-D-galactose CAS 80446-85-1

Purity 97%+In StockPharmaceutical Standards
CAS No.80446-85-1
Molecular FormulaC12H22O11
Molecular Weight342.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-O-(α-D-Galactopyranosyl)-D-galactose CAS 80446-85-1 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.

4-O-(α-D-Galactopyranosyl)-D-galactose (CAS 80446-85-1) is a high-purity analytical reference standard with the molecular formula C12H22O11 and a molecular weight of 342.30 g/mol.

Structurally, 4-O-(α-D-Galactopyranosyl)-D-galactose (C12H22O11) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 342.30 g/mol, it falls into the moderately-high-molecular-weight range.

As a certified reference material (CRM), 4-O-(α-D-Galactopyranosyl)-D-galactose 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 FormulaC12H22O11
Molecular Weight342.30 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1979

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