4-Bromo-3-fluoro-5-nitrobenzenesulfonamide CAS 1807010-52-1
| CAS No. | 1807010-52-1 |
| Molecular Formula | C6H4BrFN2O4S |
| Molecular Weight | 299.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-3-fluoro-5-nitrobenzenesulfonamide (CAS 1807010-52-1), molecular formula C6H4BrFN2O4S and molecular weight 299.07 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H4BrFN2O4S, 4-Bromo-3-fluoro-5-nitrobenzenesulfonamide 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 299.07 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.
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-3-fluoro-5-nitrobenzenesulfonamide 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 Formula | C6H4BrFN2O4S |
| Molecular Weight | 299.07 g/mol |
| Purity | 97%+ |
| Storage | Store 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 |
| Stability | May 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(4-Iodophenyl)-1h-1,2,3-triazole-4-carbaldehyde (CAS 1490258-50-8)
- Resmetirom Impurity 22 (CAS 125001-18-5)
- 1-(3-Iodophenyl)-1h-1,2,3-triazole-4-carbaldehyde (CAS 1468562-69-7)
- 1-(3-Bromopropoxy)-4-(trifluoromethoxy)benzene (CAS 102793-82-8)
- 2,2,2-Trifluoroethyl n-(4-phenylphenyl)carbamate (CAS 325-06-4)
- (2R,3R)-1-Chloro-2-hydroxy-3-[(benzyloxycarbonyl)amino]-4-(phenylthio)butane (CAS 194086-27-6)
- 7-Methoxyquinoxalin-5-amine (CAS 7403-14-7)
- 2-Imino-5-isopropyl-4-oxazolidinone (CAS 15900-26-2)
- (2S,3S)-3-((1H-imidazol-1-yl)methyl)tetrahydrofuran-2-carboxylic acid hydrochloride (CAS 1820580-04-8)
- 4H,5H-imidazo[1,5-a]quinoxalin-4-one (CAS 179042-26-3)
- N-(5-(Methylsulfonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyrazine-2-carboxamide (CAS 1396707-93-9)
- Acid Mordant Brown 33 (CAS 3618-62-0)
- Piperazine Impurity 17 (CAS CATO-C4X-242717)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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