28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic acid CAS 28210-41-5

Purity 97%+In StockPharmaceutical Standards
CAS No.28210-41-5
Molecular Formula-
Molecular Weight184.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

28210-41-5
4-Ethenylbenzenesulfonic acid homopolymer
CHEBI:53278
PSSA
Polystyrene sulfonate
Tolevamer
poly(styrene sulfonic acid)
poly(styrene-4-sulfonic acid)
poly[1-(4-sulfophenyl)ethylene]
polystyrene sulfonic acid
polystyrenesulfonic acid CAS 28210-41-5 chemical structure

Description

The occurrence of 28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic acid is closely related to a structurally diverse molecular composition in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic acid (CAS 28210-41-5), a certified reference material (molecular formula N/A, MW 184.21 g/mol) for analytical method development and quality control.

28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic acid is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).

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 28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic 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 FormulaC8H8A2O3S
Molecular Weight184.21 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Sulfur Atoms1

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