3,3'-Oxybis(3-allyl-1,1,1,5,5,5-hexamethyltrisiloxane) CAS 211931-07-6
| CAS No. | 211931-07-6 |
| Molecular Formula | C18H46O5Si6 |
| Molecular Weight | 511.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3'-Oxybis(3-allyl-1,1,1,5,5,5-hexamethyltrisiloxane) (C18H46O5Si6) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
3,3'-Oxybis(3-allyl-1,1,1,5,5,5-hexamethyltrisiloxane) (CAS 211931-07-6) is a high-purity analytical reference standard with the molecular formula C18H46O5Si6 and a molecular weight of 511.07 g/mol.
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 | C18H46O5Si6 |
| Molecular Weight | 511.07 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -4.0 |
| CAS Registry Year (est.) | 2017 |
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- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
Why CATO?
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