Lactose CAS 63-42-3

Purity >95%In StockPharmaceutical Standards
CAS No.63-42-3
Molecular FormulaC12H22O11
Molecular Weight342.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Lactose CAS 63-42-3 chemical structure

Description

The occurrence of Lactose is closely related to a carbohydrate-derived structure in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies Lactose (CAS 63-42-3), a certified reference material (molecular formula C12H22O11, MW 342.30 g/mol) for analytical method development and quality control.

Owing to a carbohydrate-derived structure, Lactose 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.

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 FormulaC12H22O11
Molecular Weight342.30 g/mol
Purity>95%
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.)1957

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