Sodium 4-chlorobenzenesulfonate CAS 5138-90-9

Purity 97%+In StockPharmaceutical Standards
CAS No.5138-90-9
Molecular FormulaC6H4ClNaO3S
Molecular Weight214.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Sodium 4-chlorobenzenesulfonate CAS 5138-90-9 chemical structure

Description

Sodium 4-chlorobenzenesulfonate (CAS 5138-90-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4ClNaO3S. Molecular weight: 214.60 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC6H4ClNaO3S
Molecular Weight214.60 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Halogen ContentCl-containing
Sulfur Atoms1

Related Sodium Standards

Recommended Standards

Why CATO?