(4-Bromo-3-fluoro-5-(methoxycarbonyl)phenyl)boronic acid CAS 2788844-73-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2788844-73-3
Molecular FormulaC8H7BBrFO4
Molecular Weight276.85 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4-Bromo-3-fluoro-5-(methoxycarbonyl)phenyl)boronic acid CAS 2788844-73-3 chemical structure

Description

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system, (4-Bromo-3-fluoro-5-(methoxycarbonyl)phenyl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 276.85 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

(4-Bromo-3-fluoro-5-(methoxycarbonyl)phenyl)boronic acid (CAS 2788844-73-3), molecular formula C8H7BBrFO4 and molecular weight 276.85 g/mol, is a CATO reference standard with documented purity and traceability.

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), (4-Bromo-3-fluoro-5-(methoxycarbonyl)phenyl)boronic acid 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 FormulaC8H7BBrFO4
Molecular Weight276.85 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Halogen ContentF/Br-containing

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