3-Chlorobenzenesulfonic acid CAS 20677-52-5

Purity 97%+In StockPharmaceutical Standards
CAS No.20677-52-5
Molecular FormulaC6H5ClO3S
Molecular Weight192.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Chlorobenzenesulfonic acid CAS 20677-52-5 chemical structure

Description

CATO supplies 3-Chlorobenzenesulfonic acid (CAS 20677-52-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5ClO3S. Molecular weight: 192.62 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC6H5ClO3S
Molecular Weight192.62 g/mol
Purity97%+
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.)1962
Halogen ContentCl-containing
Sulfur Atoms1

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