| CAS No. | 136864-48-7 |
| Molecular Formula | C64H136O36Si16 |
| Molecular Weight | 1931.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 1931.11 g/mol gives Octa[(3-oxyglycidylpropyl)dimethylsiloxy]-substituted PSS distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Octa[(3-oxyglycidylpropyl)dimethylsiloxy]-substituted PSS (CAS 136864-48-7), molecular formula C64H136O36Si16 and molecular weight 1931.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C64H136O36Si16, Octa[(3-oxyglycidylpropyl)dimethylsiloxy]-substituted PSS 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 1931.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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 | C64H136O36Si16 |
| Molecular Weight | 1931.11 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) | -3.0 |
| CAS Registry Year (est.) | 1996 |