4-Formylbenzenesulfonyl chloride CAS 85822-16-8

Purity 97%+In StockPharmaceutical Standards
CAS No.85822-16-8
Molecular FormulaC7H5ClO3S
Molecular Weight204.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Formylbenzenesulfonyl chloride CAS 85822-16-8 chemical structure

Description

4-Formylbenzenesulfonyl chloride (CAS 85822-16-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5ClO3S. Molecular weight: 204.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H5ClO3S
Molecular Weight204.63 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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1981
Halogen ContentCl-containing
Sulfur Atoms1

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