| CAS No. | 17040-19-6 |
| Molecular Formula | C6H15O5PS2 |
| Molecular Weight | 262.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Demeton-S-Methyl Sulfone (CAS 17040-19-6), molecular formula C6H15O5PS2 and molecular weight 262.28 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Demeton-S-Methyl Sulfone (C6H15O5PS2) is characterized by a carbohydrate-derived structure, a sulfone group, a phosphate ester group. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
As a certified reference material (CRM), Demeton-S-Methyl Sulfone 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 | C6H15O5PS2 |
| Molecular Weight | 262.28 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 |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1961 |
| Sulfur Atoms | 2 |