2-Fluoro-4-bromonitrobenzene CAS 321-23-3

Purity 97%+In StockPharmaceutical Standards
CAS No.321-23-3
Molecular FormulaC6H3BrFNO2
Molecular Weight220.00 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Fluoro-4-bromonitrobenzene CAS 321-23-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 220.00 g/mol gives 2-Fluoro-4-bromonitrobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Fluoro-4-bromonitrobenzene (CAS 321-23-3), molecular formula C6H3BrFNO2 and molecular weight 220.00 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-Fluoro-4-bromonitrobenzene (C6H3BrFNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 220.00 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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-Fluoro-4-bromonitrobenzene 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 FormulaC6H3BrFNO2
Molecular Weight220.00 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 tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentF/Br-containing
Nitrogen Atoms1

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