4-Chlorobenzenesulfinic acid CAS 100-03-8

Purity 97%+In StockPharmaceutical Standards
CAS No.100-03-8
Molecular FormulaC6H5ClO2S
Molecular Weight176.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chlorobenzenesulfinic acid CAS 100-03-8 chemical structure

Description

4-Chlorobenzenesulfinic acid (CAS 100-03-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5ClO2S. Molecular weight: 176.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC6H5ClO2S
Molecular Weight176.62 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; 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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