| CAS No. | 265119-86-6 |
| Molecular Formula | C11H23BrO3Si |
| Molecular Weight | 311.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 311.29 g/mol gives 3-(Ethoxydimethylsilyl)propyl 2-bromo-2-methylpropionate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(Ethoxydimethylsilyl)propyl 2-bromo-2-methylpropionate (CAS 265119-86-6) is a high-purity analytical reference standard with the molecular formula C11H23BrO3Si and a molecular weight of 311.29 g/mol.
Based on its molecular formula C11H23BrO3Si, 3-(Ethoxydimethylsilyl)propyl 2-bromo-2-methylpropionate contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 311.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C11H23BrO3Si |
| Molecular Weight | 311.29 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |