m-PEG4-phosphonic acid ethyl ester CAS 1872433-73-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1872433-73-2
Molecular FormulaC13H29O7P
Molecular Weight328.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

m-PEG4-phosphonic acid ethyl ester CAS 1872433-73-2 chemical structure

Description

CATO supplies m-PEG4-phosphonic acid ethyl ester (CAS 1872433-73-2), a certified reference material (molecular formula C13H29O7P, MW 328.34 g/mol) for analytical method development and quality control.

Based on its molecular formula C13H29O7P, m-PEG4-phosphonic acid ethyl ester contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 328.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

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 FormulaC13H29O7P
Molecular Weight328.34 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)-0.5
CAS Registry Year (est.)1995

Recommended Standards

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