4-((tert-Butyldiphenylsilyl)oxy)-2,2-dimethylbutan-1-ol CAS 439693-30-8
| CAS No. | 439693-30-8 |
| Molecular Formula | C22H32O2Si |
| Molecular Weight | 356.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((tert-Butyldiphenylsilyl)oxy)-2,2-dimethylbutan-1-ol (CAS 439693-30-8) is a high-purity analytical reference standard with the molecular formula C22H32O2Si and a molecular weight of 356.57 g/mol.
Structurally, 4-((tert-Butyldiphenylsilyl)oxy)-2,2-dimethylbutan-1-ol (C22H32O2Si) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 356.57 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), 4-((tert-Butyldiphenylsilyl)oxy)-2,2-dimethylbutan-1-ol 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 | C22H32O2Si |
| Molecular Weight | 356.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related tert Standards
- (3-(((Tert-butyldiphenylsilyl)oxy)methyl)oxetan-3-yl)methanol (CAS 1360106-23-5)
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Recommended Standards
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- Salicylic Acid Impurity 4 (CAS CATO-C4X-19024)
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