Octaphenylcyclotetrasiloxane CAS 546-56-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 546-56-5 |
| Molecular Formula | C48H40O4Si4 |
| Molecular Weight | 793.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Octaphenylcyclotetrasiloxane (CAS 546-56-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C48H40O4Si4. Molecular weight: 793.17 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C48H40O4Si4 |
| Molecular Weight | 793.17 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 29.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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