| CAS No. | 298-03-3 |
| Molecular Formula | C8H19O3PS2 |
| Molecular Weight | 258.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 258.34 g/mol gives Demeton-O distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Demeton-O (CAS 298-03-3), a certified reference material (molecular formula C8H19O3PS2, MW 258.34 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H19O3PS2, Demeton-O contains a sulfone group, 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 258.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C8H19O3PS2 |
| Molecular Weight | 258.34 g/mol |
| Purity | >90% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 2 |