| CAS No. | 56706-10-6 |
| Molecular Formula | C18H42O6S2Si2 |
| Molecular Weight | 474.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane (CAS 56706-10-6), molecular formula C18H42O6S2Si2 and molecular weight 474.82 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane (C18H42O6S2Si2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -2.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 474.82 g/mol, it falls into the moderately-high-molecular-weight range.
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 | C18H42O6S2Si2 |
| Molecular Weight | 474.82 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) | -2.0 |
| CAS Registry Year (est.) | 1973 |
| Sulfur Atoms | 2 |