| CAS No. | 25371-54-4 |
| Molecular Formula | C20H43O3P |
| Molecular Weight | 362.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Dimethyl octadecylphosphonate (CAS 25371-54-4), molecular formula C20H43O3P and molecular weight 362.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H43O3P, Dimethyl octadecylphosphonate contains a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 362.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Dimethyl octadecylphosphonate 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.
| Molecular Formula | C20H43O3P |
| Molecular Weight | 362.53 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1964 |