| CAS No. | 54091-78-0 |
| Molecular Formula | C7H17O3PS |
| Molecular Weight | 212.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 54091-78-0 Diethyl ethylthiomethanephosphonate diethyl ethylthiomethylphosphonate 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.
54091-78-0 Diethyl ethylthiomethanephosphonate diethyl ethylthiomethylphosphonate (CAS 54091-78-0), molecular formula C7H17O3PS and molecular weight 212.25 g/mol, is a CATO reference standard with documented purity and traceability.
54091-78-0 Diethyl ethylthiomethanephosphonate diethyl ethylthiomethylphosphonate (C7H17O3PS) contains a sulfone group, a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C7H17O3PS |
| Molecular Weight | 212.25 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1972 |
| Sulfur Atoms | 1 |