| CAS No. | 78186-95-5 |
| Molecular Formula | C11H25O6PSi |
| Molecular Weight | 312.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 312.37 g/mol gives Methyl 2-((tert-butyldimethylsilyl)oxy)-2-(dimethoxyphosphoryl)acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 2-((tert-butyldimethylsilyl)oxy)-2-(dimethoxyphosphoryl)acetate (CAS 78186-95-5) is a high-purity analytical reference standard with the molecular formula C11H25O6PSi and a molecular weight of 312.37 g/mol.
Methyl 2-((tert-butyldimethylsilyl)oxy)-2-(dimethoxyphosphoryl)acetate (C11H25O6PSi) contains a phosphate ester 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.
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 | C11H25O6PSi |
| Molecular Weight | 312.37 g/mol |
| Purity | 97%+ |
| 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.) | 1979 |