Octadecyl dihydrogen phosphate CAS 2958-09-0

Purity 97%+In StockPharmaceutical Standards
CAS No.2958-09-0
Molecular FormulaC18H39O4P
Molecular Weight350.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Octadecyl dihydrogen phosphate CAS 2958-09-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 350.47 g/mol gives Octadecyl dihydrogen phosphate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Octadecyl dihydrogen phosphate (CAS 2958-09-0), a certified reference material (molecular formula C18H39O4P, MW 350.47 g/mol) for analytical method development and quality control.

Owing to a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, Octadecyl dihydrogen phosphate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 350.47 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.

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 FormulaC18H39O4P
Molecular Weight350.47 g/mol
Purity97%+
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)-0.5
CAS Registry Year (est.)1957

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