m-PEG4-SH CAS 52190-55-3

Purity 97%+In StockPharmaceutical Standards
CAS No.52190-55-3
Molecular FormulaC9H20O4S
Molecular Weight224.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

m-PEG4-SH CAS 52190-55-3 chemical structure

Description

CATO manufactures m-PEG4-SH 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.

m-PEG4-SH (CAS 52190-55-3) is a high-purity analytical reference standard with the molecular formula C9H20O4S and a molecular weight of 224.32 g/mol.

The molecular framework of m-PEG4-SH (C9H20O4S) is characterized by a sulfone group, 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC9H20O4S
Molecular Weight224.32 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)0.0
CAS Registry Year (est.)1971
Sulfur Atoms1

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