Methyl 2-bromo-2-(3,5-difluorophenyl)acetate CAS 557798-60-4

Purity 97%+In StockPharmaceutical Standards
CAS No.557798-60-4
Molecular FormulaC9H7BrF2O2
Molecular Weight265.05 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 2-bromo-2-(3,5-difluorophenyl)acetate CAS 557798-60-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 265.05 g/mol gives Methyl 2-bromo-2-(3,5-difluorophenyl)acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Methyl 2-bromo-2-(3,5-difluorophenyl)acetate (CAS 557798-60-4) is a high-purity analytical reference standard with the molecular formula C9H7BrF2O2 and a molecular weight of 265.05 g/mol.

Based on its molecular formula C9H7BrF2O2, Methyl 2-bromo-2-(3,5-difluorophenyl)acetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 265.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), Methyl 2-bromo-2-(3,5-difluorophenyl)acetate 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 FormulaC9H7BrF2O2
Molecular Weight265.05 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentF/Br-containing

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