Pentamethylcyclopentasiloxane CAS 6166-86-5
Purity >85%In StockPharmaceutical Standards
| CAS No. | 6166-86-5 |
| Molecular Formula | C5H15O5Si5 |
| Molecular Weight | 295.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pentamethylcyclopentasiloxane (CAS 6166-86-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H15O5Si5. Molecular weight: 295.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H15O5Si5 |
| Molecular Weight | 295.60 g/mol |
| Purity | >85% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.5 |
| CAS Registry Year (est.) | 1958 |
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