4-(2,4-Difluorophenoxy)benzoic acid CAS 748183-47-3

Purity 97%+In StockPharmaceutical Standards
CAS No.748183-47-3
Molecular FormulaC13H8F2O3
Molecular Weight250.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(2,4-Difluorophenoxy)benzoic acid CAS 748183-47-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 250.20 g/mol gives 4-(2,4-Difluorophenoxy)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-(2,4-Difluorophenoxy)benzoic acid (CAS 748183-47-3), a certified reference material (molecular formula C13H8F2O3, MW 250.20 g/mol) for analytical method development and quality control.

Based on its molecular formula C13H8F2O3, 4-(2,4-Difluorophenoxy)benzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 250.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 4-(2,4-Difluorophenoxy)benzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC13H8F2O3
Molecular Weight250.20 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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.)1986
Halogen ContentF-containing

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