| CAS No. | 74098-43-4 |
| Molecular Formula | C11H30O5Si4 |
| Molecular Weight | 354.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Acetic (tris(trimethylsilyl) orthosilicic) anhydride (CAS 74098-43-4) is a high-purity analytical reference standard with the molecular formula C11H30O5Si4 and a molecular weight of 354.69 g/mol.
Based on its molecular formula C11H30O5Si4, Acetic (tris(trimethylsilyl) orthosilicic) anhydride 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 354.69 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.
CATO manufactures Acetic (tris(trimethylsilyl) orthosilicic) anhydride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C11H30O5Si4 |
| Molecular Weight | 354.69 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) | -3.0 |
| CAS Registry Year (est.) | 1978 |