3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane CAS 17082-46-1
| CAS No. | 17082-46-1 |
| Molecular Formula | C7H24O3Si4 |
| Molecular Weight | 268.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 268.61 g/mol gives 3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane (CAS 17082-46-1), a certified reference material (molecular formula C7H24O3Si4, MW 268.61 g/mol) for analytical method development and quality control.
The molecular framework of 3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane (C7H24O3Si4) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H24O3Si4 |
| Molecular Weight | 268.61 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -4.0 |
| CAS Registry Year (est.) | 1961 |
Related Dimethylsilyl Standards
- 4,4'-Bis(dimethylsilyl)-1,1'-biphenyl (CAS 17937-85-8)
- {4-[4-(Dimethylsilyl)benzyl]phenyl}(dimethyl)-silane (CAS 1034767-18-4)
- 1-((2-(Dimethylsilyl)ethoxy)methyl)-1H-imidazole-5-carbaldehyde (CAS 1196146-25-4)
- 1,2-Bis(dimethylsilyl)benzene (CAS 17985-72-7)
- 2-(Dimethylsilyl)pyridine 21032-48-4 Dimethyl(2-pyridyl)silane (CAS 21032-48-4)
- Dimethylsilyl acetate (CAS 18243-23-7)
- 1,1′-Bis(dimethylsilyl)ferrocene (CAS 1295-15-4)
- Dimethylsilyl(cyclopentadienyl)(9-fluorenyl)zirconiumdichloride (CAS 161994-85-0)
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