1,1,3,3,5,5,7,7-Octamethyltetrasiloxane CAS 1000-05-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1000-05-1 |
| Molecular Formula | C8H24O3Si4 |
| Molecular Weight | 280.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1,3,3,5,5,7,7-Octamethyltetrasiloxane (CAS 1000-05-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H24O3Si4. Molecular weight: 280.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H24O3Si4 |
| Molecular Weight | 280.62 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.) | 1957 |
Related Octamethyltetrasiloxane Standards
Recommended Standards
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- 2-(4-Chloro-3-isopropylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121511-69-9)
- N-(2-(3,5-bis(trifluoromethyl)-1H-pyrazol-1-yl)pyridin-3-yl)-N-(methylsulfonyl)methanesulfonamide (CAS 955975-39-0)
- (5-Hydroxy-1-pentyl-1H-indol-3-yl)-1-naphthalenylmethanone (CAS 1307803-43-5)
- 5-Bromopentanoic-3,3,4,4-d4 Acid (CAS 42932-62-7)
- N-(3-chloro-4-methylphenyl)-2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 473587-10-9)
- 1-Cinnamylpiperazine (CAS 18903-01-0)
- 2-(2,6-dioxo-3-piperidyl)-1-oxo-N-propyl-isoindoline-5-carboxamide (CAS 2399899-30-8)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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