1,1,1,5,5,5-Hexamethyl-3-(2-(triethoxysilyl)ethyl)-3-((trimethylsilyl)oxy)trisiloxane CAS 1356114-66-3
| CAS No. | 1356114-66-3 |
| Molecular Formula | C17H46O6Si5 |
| Molecular Weight | 486.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1,1,5,5,5-Hexamethyl-3-(2-(triethoxysilyl)ethyl)-3-((trimethylsilyl)oxy)trisiloxane (C17H46O6Si5) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
1,1,1,5,5,5-Hexamethyl-3-(2-(triethoxysilyl)ethyl)-3-((trimethylsilyl)oxy)trisiloxane (CAS 1356114-66-3) is a high-purity analytical reference standard with the molecular formula C17H46O6Si5 and a molecular weight of 486.97 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,1,1,5,5,5-Hexamethyl-3-(2-(triethoxysilyl)ethyl)-3-((trimethylsilyl)oxy)trisiloxane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H46O6Si5 |
| Molecular Weight | 486.97 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) | -5.0 |
| CAS Registry Year (est.) | 1991 |
Related Hexamethyl Standards
- 4,4'-(2,2',2",5,5',5"-Hexamethyl-[1,1':4',1"-terphenyl]-4,4"-diyl)dipyridine (CAS 1482505-91-8)
- (4,4,4',4',6,6'-Hexamethyl-2,2'-spirobi[chroman]-8,8'-diyl)bis(diethylphosphine) (CAS 875571-30-5)
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- N-(3-(1,1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxan-3-yl)propyl)methacrylamide (CAS 115257-95-9)
- 2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane (CAS 1693-44-3)
- 2',2",2"',5',5",5"'-Hexamethyl-[1,1':4',1":4",1'":4'",1""-quinquephenyl]-4,4""-dicarboxylic acid (CAS 2249751-97-9)
- 1,1,1,5,5,5-Hexamethyl-3-octyl-3-((trimethylsilyl)oxy)trisiloxane (CAS 187592-85-4)
Recommended Standards
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- 1-Chloro-4-(4-chloro-1,1,2,2,3,3,4,4-octafluorobutoxy)-1,1,2,2,3,3,4,4-octafluorobutane (CAS 149697-40-5)
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- (Ser(PO?H?)2?2)-Tau Peptide (260-264) PAb Blocking trifluoroacetate salt (CAS 2022956-57-4)
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