octadecamethyloctasiloxane CAS 556-69-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 556-69-4 |
| Molecular Formula | C18H54O7Si8 |
| Molecular Weight | 607.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
octadecamethyloctasiloxane (CAS 556-69-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H54O7Si8. Molecular weight: 607.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H54O7Si8 |
| Molecular Weight | 607.30 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.) | 1957 |
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