3-(Trifluoromethoxy)benzenesulfonyl chloride CAS 220227-84-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 220227-84-9 |
| Molecular Formula | C7H4ClF3O3S |
| Molecular Weight | 260.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Trifluoromethoxy)benzenesulfonyl chloride (CAS 220227-84-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4ClF3O3S. Molecular weight: 260.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4ClF3O3S |
| Molecular Weight | 260.62 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; 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.) | 2019 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Chlorophenyl trifluoromethanesulfonate (CAS 66107-36-6)
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- 2-Methoxy-4-(trifluoromethyl)benzoyl chloride (CAS 886500-49-8)
- Methyl 4-bromo-3-carbamoylbenzoate (CAS 2140305-53-7)
- 1-((1R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)-N-((2'-iodo-[1,1'-biphenyl]-4-yl)methyl)-N,N-dimethylmethanaminium iodide (CAS 1414376-85-4)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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