(2,3-Difluoro-5-nitrophenyl)boronic acid CAS 957060-82-1

Purity 97%+In StockPharmaceutical Standards
CAS No.957060-82-1
Molecular FormulaC6H4BF2NO4
Molecular Weight202.91 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2,3-Difluoro-5-nitrophenyl)boronic acid CAS 957060-82-1 chemical structure

Description

CATO supplies (2,3-Difluoro-5-nitrophenyl)boronic acid (CAS 957060-82-1), a certified reference material (molecular formula C6H4BF2NO4, MW 202.91 g/mol) for analytical method development and quality control.

Structurally, (2,3-Difluoro-5-nitrophenyl)boronic acid (C6H4BF2NO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 202.91 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), (2,3-Difluoro-5-nitrophenyl)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 FormulaC6H4BF2NO4
Molecular Weight202.91 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)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms1

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