4-Bromo-5-fluoro-2-methoxybenzenesulfonamide CAS 1443981-67-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1443981-67-6 |
| Molecular Formula | C7H7BrFNO3S |
| Molecular Weight | 284.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-fluoro-2-methoxybenzenesulfonamide (CAS 1443981-67-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H7BrFNO3S. Molecular weight: 284.10 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H7BrFNO3S |
| Molecular Weight | 284.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(4-Iodobenzyl)-1H-pyrazole (CAS 143128-30-7)
- 1447912-71-1 Imidazo[1,2-a]pyridine, 2-cyclopropyl-6-iodo- (CAS 1447912-71-1)
- 4-(4-Iodophenyl)-1-methyl-1H-pyrazole (CAS 1399658-35-5)
- 1-(4-Hydroxypiperidin-1-yl)prop-2-en-1-one (CAS 139252-43-0)
- 6-Fluoro-3-methylquinolin-4-ol (CAS 442-09-1)
- methyl 3-{[(3-methyloxetan-3-yl)methyl]amino}propanoate (CAS 1341731-32-5)
- 2-(4-Chloro-2-formyl-6-methoxyphenoxy)acetic acid (CAS 662154-29-2)
- rel-tert-Butyl (((1R,2S,4S)-2-hydroxy-4-(methylsulfonyl)cyclohexyl)methyl)carbamate (CAS 2403678-39-5)
- 1'H-Spiro[piperidine-4,2'-quinazoline]-4'-thiol (CAS 1326871-48-0)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com