| CAS No. | 91774-13-9 |
| Molecular Formula | C6H15O4PS |
| Molecular Weight | 214.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 214.22 g/mol gives Phosphorothioic Acid O,O-Diethyl S-Methoxymethyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Phosphorothioic Acid O,O-Diethyl S-Methoxymethyl Ester (CAS 91774-13-9) is a high-purity analytical reference standard with the molecular formula C6H15O4PS and a molecular weight of 214.22 g/mol.
Based on its molecular formula C6H15O4PS, Phosphorothioic Acid O,O-Diethyl S-Methoxymethyl Ester contains a sulfone group, a phosphate ester 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 214.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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.
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 | C6H15O4PS |
| Molecular Weight | 214.22 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.) | 1983 |
| Sulfur Atoms | 1 |