HO-PEG21-OH CAS 928211-42-1

Purity 97%+In StockPharmaceutical Standards
CAS No.928211-42-1
Molecular FormulaC42H86O22
Molecular Weight943.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

HO-PEG21-OH CAS 928211-42-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 943.12 g/mol gives HO-PEG21-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies HO-PEG21-OH (CAS 928211-42-1), a certified reference material (molecular formula C42H86O22, MW 943.12 g/mol) for analytical method development and quality control.

HO-PEG21-OH (C42H86O22) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

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.

CATO manufactures HO-PEG21-OH under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC42H86O22
Molecular Weight943.12 g/mol
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1987

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