| CAS No. | 757-44-8 |
| Molecular Formula | C12H29O6PSi |
| Molecular Weight | 328.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C12H29O6PSi, Diethyl (2-(triethoxysilyl)ethyl)phosphonate contains 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 328.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
CATO supplies Diethyl (2-(triethoxysilyl)ethyl)phosphonate (CAS 757-44-8), a certified reference material (molecular formula C12H29O6PSi, MW 328.41 g/mol) for analytical method development and quality control.
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 | C12H29O6PSi |
| Molecular Weight | 328.41 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.5 |
| CAS Registry Year (est.) | 1957 |