4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide CAS 1771023-75-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1771023-75-6
Molecular FormulaC12H7BrF3NO2S
Molecular Weight366.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide CAS 1771023-75-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 366.15 g/mol gives 4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide (CAS 1771023-75-6), molecular formula C12H7BrF3NO2S and molecular weight 366.15 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-Bromo-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide (C12H7BrF3NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 366.15 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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-N-(3,4-difluorophenyl)-2-fluorobenzenesulfonamide 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 FormulaC12H7BrF3NO2S
Molecular Weight366.15 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentF/Br-containing
Nitrogen Atoms1
Sulfur Atoms1

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