2-Bromo-5-fluorobenzene-1-sulfonyl chloride CAS 771-67-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 771-67-5 |
| Molecular Formula | C6H3BrClFO2S |
| Molecular Weight | 273.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-5-fluorobenzene-1-sulfonyl chloride (CAS 771-67-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3BrClFO2S. Molecular weight: 273.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3BrClFO2S |
| Molecular Weight | 273.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1957 |
| Halogen Content | F/Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Bromo-4-fluorobenzene-1-sulfonyl chloride (CAS 351003-45-7)
- 2-Bromo-6-fluorobenzenesulfonyl chloride (CAS 886762-59-0)
- 2-Bromo-1-(5-chloro-1-benzofuran-2-yl)ethan-1-one (CAS 7039-74-9)
- 2-Ethyl-2-methylbenzo[d][1,3]dioxol-5-ol (CAS 74024-81-0)
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- 5-Cyclopropoxy-2-iodo-N-methylnicotinamide (CAS 1243347-64-9)
- (1S,3s)-3-methoxycyclobutyl methanesulfonate (CAS 2178924-78-0)
- n-(4-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)cyclohexanamine (CAS 1256360-60-7)
- Methyl 3-(3-amino-4-chloro-1h-pyrazol-1-yl)propanoate (CAS 1343276-24-3)
- Hexapeptide-9 (CAS 1228371-11-6)
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