Bis-PEG3-sulfonic acid CAS 255831-16-4

Purity 97%+In StockPharmaceutical Standards
CAS No.255831-16-4
Molecular FormulaC8H18O9S2
Molecular Weight322.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bis-PEG3-sulfonic acid CAS 255831-16-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 322.35 g/mol gives Bis-PEG3-sulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Bis-PEG3-sulfonic acid (CAS 255831-16-4), a certified reference material (molecular formula C8H18O9S2, MW 322.35 g/mol) for analytical method development and quality control.

Bis-PEG3-sulfonic acid (C8H18O9S2) contains a carbohydrate-derived structure, a sulfone group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

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

CATO manufactures Bis-PEG3-sulfonic acid 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 FormulaC8H18O9S2
Molecular Weight322.35 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.)2025
Sulfur Atoms2

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