m-PEG4-phosphonic acid CAS 1872433-62-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1872433-62-9
Molecular FormulaC9H21O7P
Molecular Weight272.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

m-PEG4-phosphonic acid CAS 1872433-62-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 272.23 g/mol gives m-PEG4-phosphonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies m-PEG4-phosphonic acid (CAS 1872433-62-9), a certified reference material (molecular formula C9H21O7P, MW 272.23 g/mol) for analytical method development and quality control.

Based on its molecular formula C9H21O7P, m-PEG4-phosphonic acid 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 272.23 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.

As a certified reference material (CRM), m-PEG4-phosphonic acid 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 FormulaC9H21O7P
Molecular Weight272.23 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)-0.5
CAS Registry Year (est.)1995

Recommended Standards

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