Propylene Glycol Monostearate CAS 1323-39-3

Purity ≥80%In StockPharmaceutical Standards
CAS No.1323-39-3
Molecular FormulaC21H42O3
Molecular Weight342.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Propylene Glycol Monostearate CAS 1323-39-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 342.56 g/mol gives Propylene Glycol Monostearate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Propylene Glycol Monostearate (CAS 1323-39-3), a certified reference material (molecular formula C21H42O3, MW 342.56 g/mol) for analytical method development and quality control.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Propylene Glycol Monostearate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

As a certified reference material (CRM), Propylene Glycol Monostearate 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 FormulaC21H42O3
Molecular Weight342.56 g/mol
Purity≥80%
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1957

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