4-Chlorobenzenesulfonic Acid CAS 98-66-8

Purity >95%In StockPharmaceutical Standards
CAS No.98-66-8
Molecular FormulaC6H5ClO3S
Molecular Weight192.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chlorobenzenesulfonic Acid CAS 98-66-8 chemical structure

Description

4-Chlorobenzenesulfonic Acid (CAS 98-66-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H5ClO3S. Molecular weight: 192.62 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC6H5ClO3S
Molecular Weight192.62 g/mol
Purity>95%
StorageStore at 2-8°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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Sulfur Atoms1

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