2-(3-Bromo-4-fluorophenyl)-1-(4-methoxy-3-methylphenyl)ethan-1-one CAS 1209495-16-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1209495-16-8
Molecular FormulaC16H14BrFO2
Molecular Weight337.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(3-Bromo-4-fluorophenyl)-1-(4-methoxy-3-methylphenyl)ethan-1-one CAS 1209495-16-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 337.18 g/mol gives 2-(3-Bromo-4-fluorophenyl)-1-(4-methoxy-3-methylphenyl)ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(3-Bromo-4-fluorophenyl)-1-(4-methoxy-3-methylphenyl)ethan-1-one (CAS 1209495-16-8), molecular formula C16H14BrFO2 and molecular weight 337.18 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, a polycyclic aromatic system, 2-(3-Bromo-4-fluorophenyl)-1-(4-methoxy-3-methylphenyl)ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 337.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

As a certified reference material (CRM), 2-(3-Bromo-4-fluorophenyl)-1-(4-methoxy-3-methylphenyl)ethan-1-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC16H14BrFO2
Molecular Weight337.18 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.)1990
Halogen ContentF/Br-containing

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