3,3-Dimethoxy-2,7,10-trioxa-3-silaundecane CAS 65994-07-2
| CAS No. | 65994-07-2 |
| Molecular Formula | C9H22O5Si |
| Molecular Weight | 238.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3-Dimethoxy-2,7,10-trioxa-3-silaundecane (C9H22O5Si) contains 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.
CATO supplies 3,3-Dimethoxy-2,7,10-trioxa-3-silaundecane (CAS 65994-07-2), a certified reference material (molecular formula C9H22O5Si, MW 238.35 g/mol) for analytical method development and quality control.
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.
Physical & Chemical Properties
| Molecular Formula | C9H22O5Si |
| Molecular Weight | 238.35 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) | -1.0 |
| CAS Registry Year (est.) | 1975 |
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