2-Chloro-4-(trifluoromethoxy)benzenesulfonamide CAS 1261762-28-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1261762-28-0
Molecular FormulaC7H5ClF3NO3S
Molecular Weight275.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Chloro-4-(trifluoromethoxy)benzenesulfonamide CAS 1261762-28-0 chemical structure

Description

2-Chloro-4-(trifluoromethoxy)benzenesulfonamide (CAS 1261762-28-0) is a high-purity analytical reference standard with the molecular formula C7H5ClF3NO3S and a molecular weight of 275.63 g/mol.

Based on its molecular formula C7H5ClF3NO3S, 2-Chloro-4-(trifluoromethoxy)benzenesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 275.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures 2-Chloro-4-(trifluoromethoxy)benzenesulfonamide 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 FormulaC7H5ClF3NO3S
Molecular Weight275.63 g/mol
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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentF/Cl-containing
Nitrogen Atoms1
Sulfur Atoms1

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