5356-84-3 1,1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)-3-vinyltrisiloxane Trisiloxane, 3-ethenyl-1,1,1,5,5,5-hexamethyl-3-((trimethylsilyl)oxy)- EINECS 226-342-2 CAS 5356-84-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5356-84-3 |
| Molecular Formula | C11H30O3Si4 |
| Molecular Weight | 322.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5356-84-3 1,1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)-3-vinyltrisiloxane Trisiloxane, 3-ethenyl-1,1,1,5,5,5-hexamethyl-3-((trimethylsilyl)oxy)- EINECS 226-342-2 (CAS 5356-84-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H30O3Si4. Molecular weight: 322.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H30O3Si4 |
| Molecular Weight | 322.70 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.) | 1958 |
Related Hexamethyl Standards
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- Ethyl 1,2,5,6,7,8-hexamethyl-3-thia-4-azatricyclo[3.3.0.02,6]oct-7-ene-4-carboxylate 3,3-dioxide (CAS 20089-09-2)
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Recommended Standards
- N-[(E)-(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)methylidene]-N-[(4-nitrobenzoyl)oxy]amine (CAS 303987-98-6)
- 3-(2-Chlorophenyl)-2-methyl-5-(trifluoromethyl)quinoxaline (CAS 1065482-55-4)
- Methyl 2-((2-chloro-5-nitropyrimidin-4-yl)(methyl)amino)benzoate (CAS 66427-79-0)
- 5-(Chloromethyl)-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one (CAS 561009-04-9)
- N-(1-(5-bromothiophen-2-yl)ethyl)-1-methylpyrrolidin-3-amine (CAS 1248220-68-9)
- 3'-O-Methylmyricetin (CAS 53472-37-0)
- 1-Cyclopropyl-3-iodobenzene (CAS 1260852-26-3)
- 6-Chloro-2-(difluoromethyl)-5-iodonicotinic acid (CAS 1805359-61-8)
- 5-Benzofurazancarboxylic acid (CAS 19155-88-5)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com