4,5-Difluorothiophene-2-sulfonyl chloride CAS 2657625-63-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2657625-63-1 |
| Molecular Formula | C4HClF2O2S2 |
| Molecular Weight | 218.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Difluorothiophene-2-sulfonyl chloride (CAS 2657625-63-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4HClF2O2S2. Molecular weight: 218.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4HClF2O2S2 |
| Molecular Weight | 218.63 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 2 |
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