Hydroxy-PEG4-C2-methyl ester CAS 2228857-35-8

Purity 97%+In StockPharmaceutical Standards
CAS No.2228857-35-8
Molecular FormulaC12H24O7
Molecular Weight280.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Hydroxy-PEG4-C2-methyl ester CAS 2228857-35-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 280.31 g/mol gives Hydroxy-PEG4-C2-methyl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Hydroxy-PEG4-C2-methyl ester (CAS 2228857-35-8), a certified reference material (molecular formula C12H24O7, MW 280.31 g/mol) for analytical method development and quality control.

The molecular framework of Hydroxy-PEG4-C2-methyl ester (C12H24O7) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.

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 Hydroxy-PEG4-C2-methyl ester 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 FormulaC12H24O7
Molecular Weight280.31 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)1.0
CAS Registry Year (est.)1998

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