5-Chloro-2-(difluoromethoxy)benzene-1-sulfonyl chloride CAS 1082821-83-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1082821-83-7 |
| Molecular Formula | C7H4Cl2F2O3S |
| Molecular Weight | 277.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-2-(difluoromethoxy)benzene-1-sulfonyl chloride (CAS 1082821-83-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4Cl2F2O3S. Molecular weight: 277.07 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2F2O3S |
| Molecular Weight | 277.07 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.) | 1989 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- (5-(Trifluoromethyl)pyridine-2,3-diyl)dimethanol (CAS 905273-63-4)
- 3,5-Difluoro-4-methylbenzoic acid (CAS 103877-76-5)
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