5-Chloro-4-(fluorosulfonyl)-2-methoxybenzoic acid CAS 1955558-41-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1955558-41-4 |
| Molecular Formula | C8H6ClFO5S |
| Molecular Weight | 268.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-4-(fluorosulfonyl)-2-methoxybenzoic acid (CAS 1955558-41-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6ClFO5S. Molecular weight: 268.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6ClFO5S |
| Molecular Weight | 268.65 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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