4-(4-Chlorophenoxy)benzoic acid CAS 21120-67-2

Purity 97%+In StockPharmaceutical Standards
CAS No.21120-67-2
Molecular FormulaC13H9ClO3
Molecular Weight248.66 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorophenoxy)benzoic acid CAS 21120-67-2 chemical structure

Description

4-(4-Chlorophenoxy)benzoic acid (CAS 21120-67-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C13H9ClO3. Molecular weight: 248.66 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC13H9ClO3
Molecular Weight248.66 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentCl-containing

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