3-Bromo-4-fluoro-5-(methylsulfonyl)aniline CAS 1440535-19-2
| CAS No. | 1440535-19-2 |
| Molecular Formula | C7H7BrFNO2S |
| Molecular Weight | 268.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromo-4-fluoro-5-(methylsulfonyl)aniline 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.
3-Bromo-4-fluoro-5-(methylsulfonyl)aniline (CAS 1440535-19-2) is a high-purity analytical reference standard with the molecular formula C7H7BrFNO2S and a molecular weight of 268.10 g/mol.
Based on its molecular formula C7H7BrFNO2S, 3-Bromo-4-fluoro-5-(methylsulfonyl)aniline 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 268.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H7BrFNO2S |
| Molecular Weight | 268.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1992 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-fluoro-4-methylsulfonylaniline (CAS 1020722-18-2)
- 4-Bromo-3-fluoro-N-methylbenzenesulfonamide (CAS 1055995-78-2)
- 2-Bromo-4-fluoro-n-methylbenzenesulfonamide (CAS 1178647-92-1)
- (2-bromo-5-fluorophenyl)methanesulfonamide (CAS 1182947-94-9)
- (4-Bromo-2-fluorophenyl)methanesulfonamide (CAS 1182994-29-1)
- (2-Bromo-4-fluorophenyl)methanesulfonamide (CAS 1183579-91-0)
- (5-Bromo-2-fluorophenyl)methanesulfonamide (CAS 1184441-16-4)
- (3-Bromo-4-fluorophenyl)methanesulfonamide (CAS 1184814-60-5)
Recommended Standards
- 5-Chloro-N-(3-chlorophenyl)pyrazine-2-carboxamide (CAS 1438854-00-2)
- (2-Bromo-3-fluorophenyl)methanesulfonamide (CAS 1499382-63-6)
- 5-Chloro-N-(2-chlorophenyl)pyrazine-2-carboxamide (CAS 1438853-99-6)
- n-(3-Bromo-5-fluorophenyl)methanesulfonamide (CAS 1515524-13-6)
- Ethyl 2-(5-amino-4-formylpyridin-3-yl)acetate (CAS 1393563-02-4)
- N-Butyl-6-(4-fluorophenyl)imidazo[2,1-b]thiazole-3-carboxamide (CAS 1049471-93-3)
- 2-(Phenylthio)benzyl Alcohol (CAS 1527-14-6)
- 1-Naphthol 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester (CAS 18404-55-2)
- Fmoc-Orn(Dnp)-OH (CAS 252049-04-0)
- 5-Hydroxy-1-(3-hydroxypiperidin-1-yl)pentan-1-one (CAS 1535983-41-5)
- 7-Ethyl-10-Hydroxy Camptothecin (CAS 130144-34-2)
- Tetradecenesulfonic acid, sodium salt (CAS 11066-21-0)
- 1-Methyl-5-(2,2,2-trifluoroethoxy)-1H-pyrazole-4-carboxylic acid (CAS 1437482-19-3)
- KALA Amphipathic Peptide (CAS 187987-64-0)
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 18665070610 / Nicole.chen@cato-chem.com