4-Chloroaniline-3-Sulfonic Acid CAS 88-43-7

Purity 97%+In StockPharmaceutical Standards
CAS No.88-43-7
Molecular FormulaC6H6ClNO3S
Molecular Weight207.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloroaniline-3-Sulfonic Acid CAS 88-43-7 chemical structure

Description

4-Chloroaniline-3-Sulfonic Acid (CAS 88-43-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6ClNO3S. Molecular weight: 207.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC6H6ClNO3S
Molecular Weight207.63 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; 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
Nitrogen Atoms1
Sulfur Atoms1

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