2-Bromo-5-fluoro-3-nitrobenzoic acid CAS 1055331-73-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1055331-73-1
Molecular FormulaC7H3BrFNO4
Molecular Weight264.01 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Bromo-5-fluoro-3-nitrobenzoic acid CAS 1055331-73-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 264.01 g/mol gives 2-Bromo-5-fluoro-3-nitrobenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Bromo-5-fluoro-3-nitrobenzoic acid (CAS 1055331-73-1) is a high-purity analytical reference standard with the molecular formula C7H3BrFNO4 and a molecular weight of 264.01 g/mol.

Based on its molecular formula C7H3BrFNO4, 2-Bromo-5-fluoro-3-nitrobenzoic acid contains an amide group, 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 264.01 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.

CATO manufactures 2-Bromo-5-fluoro-3-nitrobenzoic 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 FormulaC7H3BrFNO4
Molecular Weight264.01 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 methanol, ethanol, DMSO, water
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentF/Br-containing
Nitrogen Atoms1

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