| CAS No. | 351003-64-0 |
| Molecular Formula | C7H5BrF3NO2S |
| Molecular Weight | 304.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-Bromo-3-trifluoromethylbenzene sulfonamide 4-bromo-3-(trifluoromethyl)benzenesulfonamide 4-bromo-3-(trifluoromethyl)benzene sulfonamide 4-bromo-3-(trifluoromethyl)benzene sulphonamide benzenesulfonamide, 4-bromo-3-(trifluoromethyl) 4-bromo-3-(trifluoromethyl)benzenesulphonamide 4-bromo-3-trifluoromethylbenzenesulfonamide 4-bromo-3-(trifluoromethyl)benzene-1-sulfonamide benzenesulfonamide, 4-bromo-3-(trifluoromethyl)- 351003-64-0 (CAS 351003-64-0) is a high-purity analytical reference standard with the molecular formula C7H5BrF3NO2S and a molecular weight of 304.08 g/mol.
Based on its molecular formula C7H5BrF3NO2S, 4-Bromo-3-trifluoromethylbenzene sulfonamide 4-bromo-3-(trifluoromethyl)benzenesulfonamide 4-bromo-3-(trifluoromethyl)benzene sulfonamide 4-bromo-3-(trifluoromethyl)benzene sulphonamide benzenesulfonamide, 4-bromo-3-(trifluoromethyl) 4-bromo-3-(trifluoromethyl)benzenesulphonamide 4-bromo-3-trifluoromethylbenzenesulfonamide 4-bromo-3-(trifluoromethyl)benzene-1-sulfonamide benzenesulfonamide, 4-bromo-3-(trifluoromethyl)- 351003-64-0 contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 304.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C7H5BrF3NO2S |
| Molecular Weight | 304.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |