3-O- β-D-Galactopyranosyl-D-galactose CAS 5188-48-7

Purity 97%+In StockPharmaceutical Standards
CAS No.5188-48-7
Molecular FormulaC12H22O11
Molecular Weight342.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-O- β-D-Galactopyranosyl-D-galactose CAS 5188-48-7 chemical structure

Description

3-O- β-D-Galactopyranosyl-D-galactose (CAS 5188-48-7) is a high-purity analytical reference standard with the molecular formula C12H22O11 and a molecular weight of 342.30 g/mol.

Owing to a carbohydrate-derived structure, 3-O- β-D-Galactopyranosyl-D-galactose is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 3-O- β-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.)1958

Recommended Standards

Why CATO?