4-Bromo-5-chlorothiophene-2-sulfonamide CAS 256353-33-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 256353-33-0 |
| Molecular Formula | C4H3BrClNO2S2 |
| Molecular Weight | 276.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Bromo-5-chlorothiophene-2-sulfonamide (CAS 256353-33-0) pharmaceutical standards reference standard. Molecular formula: C4H3BrClNO2S2. Molecular weight: 276.56 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H3BrClNO2S2 |
| Molecular Weight | 276.56 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Bromo Standards
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- 4-(2-Bromo-5-chlorophenyl)morpholine (CAS 1257665-20-5)
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Recommended Standards
- 2-Chloro-4,6-bis(trifluoromethyl)benzaldehyde (CAS 916420-48-9)
- 5-Bromo-2-chloro-4-(piperidin-1-yl)pyrimidine (CAS 62880-67-5)
- 2-Bromo-N-(4-chlorophenyl)butanamide (CAS 90841-17-1)
- Butyl 4-(2-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300690-09-9)
- Methyl(3'-(trifluoromethyl)-[1,1'-biphenyl]-4-yl)sulfane (CAS 844856-50-4)
- (4-Isopropoxyphenyl)(oxazol-2-yl)methanone (CAS 898760-01-5)
- Methyl (2Z)-2-cyano-3-hydroxy-3-{[3-(trifluoromethyl)phenyl]amino}prop-2-enoate (CAS 1047724-28-6)
- 4-Bromo-7-fluoro-1-methyl-1H-indole (CAS 1379336-72-7)
- 5-Methyl-1-(2,2,2-trifluoroethyl)-1h-pyrazol-3-amine (CAS 1006486-85-6)
- TAT 14 Peptide (Nrf2 Activator III) (CAS 1362661-34-4)
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