Arsenosiloxane I CAS 18891-54-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18891-54-8 |
| Molecular Formula | C36H30As2O6Si3 |
| Molecular Weight | 792.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Arsenosiloxane I (CAS 18891-54-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C36H30As2O6Si3. Molecular weight: 792.72 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C36H30As2O6Si3 |
| Molecular Weight | 792.72 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Arsenosiloxane Standards
Recommended Standards
- 5,5'-((2,2-Bis((3,5-dicarboxyphenoxy)methyl)propane-1,3-diyl)bis(oxy))diisophthalic acid (CAS 1315269-33-0)
- 4-Methylumbelliferyl β-D-chitobiose heptaacetate (CAS 122147-95-9)
- 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecyl (1-((5-(aminooxy)pentyl)amino)-5-(3,3-dimethylguanidino)-1-oxopentan-2-yl)carbamate (CAS 1609431-65-3)
- 1-Chloro-3-(pent-1-yn-1-yl)benzene (CAS 857638-70-1)
- (1s)-1-(Tetrahydro-2h-pyran-3-yl)ethan-1-ol (CAS 1372907-20-4)
- N-(tert-Butyl)-2-fluoro-4-methylbenzenesulfonamide (CAS 88303-19-9)
- 3-(6-Bromo-1H-indol-1-yl)propanoic acid (CAS 951626-39-4)
- 2-((Allyloxy)methyl)-1-methoxy-4-nitrobenzene (CAS 1312603-37-4)
- Otilonium Bromide Impurity 14 (CAS 49557-33-7)
- Semaglutide Main Chain P29 (CAS 1169630-82-3)
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