4-Phenoxybenzenesulfonic acid CAS 20241-57-0

Purity 97%+In StockPharmaceutical Standards
CAS No.20241-57-0
Molecular FormulaC12H10O4S
Molecular Weight250.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Phenoxybenzenesulfonic acid CAS 20241-57-0 chemical structure

Description

4-Phenoxybenzenesulfonic acid (CAS 20241-57-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H10O4S. Molecular weight: 250.27 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC12H10O4S
Molecular Weight250.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Sulfur Atoms1

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