Tetracosamethyl-cyclododecasiloxane CAS 18919-94-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18919-94-3 |
| Molecular Formula | C24H72O12Si12 |
| Molecular Weight | 889.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tetracosamethyl-cyclododecasiloxane (CAS 18919-94-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H72O12Si12. Molecular weight: 889.85 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H72O12Si12 |
| Molecular Weight | 889.85 g/mol |
| Purity | 97%+ |
| 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) | -11.0 |
| CAS Registry Year (est.) | 1962 |
Recommended Standards
- Halometasone Impurity N4 (CAS 136154-83-1)
- Mn(dtbpy)2OTf2 (CAS 2649421-47-4)
- Cloxacillin Impurity 9 (CAS CATO-C4X-15979)
- n-Ethyl-N-methylazetidin-3-amine (CAS 1343711-73-8)
- (3-(4-Chlorophenoxy)phenyl)methanamine hydrochloride (CAS 1171023-50-9)
- Ro 20-1724 (CAS 29925-17-5)
- Potassium trifluoro(3-(3-methylpiperidin-1-yl)prop-1-en-2-yl)borate (CAS 1357559-58-0)
- 3-[(Pentyloxy)methyl]pyrrolidine hydrochloride (CAS 1220017-57-1)
- Butanal, 2-ethyl-,oxiMe (CAS CATO-C4X-28522)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com