2,4-Dichloro-5-(trifluoromethoxy)phenylboronic acid CAS 1256354-96-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1256354-96-7
Molecular FormulaC7H4BCl2F3O3
Molecular Weight274.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,4-Dichloro-5-(trifluoromethoxy)phenylboronic acid CAS 1256354-96-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 274.82 g/mol gives 2,4-Dichloro-5-(trifluoromethoxy)phenylboronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,4-Dichloro-5-(trifluoromethoxy)phenylboronic acid (CAS 1256354-96-7) is a high-purity analytical reference standard with the molecular formula C7H4BCl2F3O3 and a molecular weight of 274.82 g/mol.

Structurally, 2,4-Dichloro-5-(trifluoromethoxy)phenylboronic acid (C7H4BCl2F3O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 274.82 g/mol, it falls into the medium-molecular-weight range. 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), 2,4-Dichloro-5-(trifluoromethoxy)phenylboronic 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 FormulaC7H4BCl2F3O3
Molecular Weight274.82 g/mol
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, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1990
Halogen ContentF/Cl-containing

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