Potassium perfluoro(2-ethoxyethane)sulphonate CAS 117205-07-9
| CAS No. | 117205-07-9 |
| Molecular Formula | C4F9O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 354.18 g/mol gives Potassium perfluoro(2-ethoxyethane)sulphonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Potassium perfluoro(2-ethoxyethane)sulphonate (CAS 117205-07-9), molecular formula C4F9O4SK and molecular weight 354.18 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, a sulfone group, fluorine substitution, Potassium perfluoro(2-ethoxyethane)sulphonate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 354.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Potassium perfluoro(2-ethoxyethane)sulphonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4F9O4S K |
| Molecular Weight | 354.18 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Chloro-4-fluoro-6-(trifluoromethyl)pyridine (CAS 1227574-58-4)
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- 2-Phenoxypyridine-4-carboximidamide hydrochloride (CAS 82019-90-7)
- (4-(Prop-1-en-2-yl)phenyl)boronic acid (CAS 6962-76-1)
- Ceftibuten Impurity 6 (CAS CATO-C4X-18906)
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- Erlotinib Impurity 78 (CAS 174674-93-2)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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