| CAS No. | 19095-24-0 |
| Molecular Formula | C16H50O7Si8 |
| Molecular Weight | 579.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-Hexadecamethyloctasiloxane (CAS 19095-24-0), molecular formula C16H50O7Si8 and molecular weight 579.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H50O7Si8, 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-Hexadecamethyloctasiloxane contains 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 579.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-Hexadecamethyloctasiloxane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C16H50O7Si8 |
| Molecular Weight | 579.25 g/mol |
| Purity | >95% |
| 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) | -8.0 |
| CAS Registry Year (est.) | 1962 |