((4-(Benzyloxy)phenyl)ethynyl)trimethylsilane CAS 340322-86-3
| CAS No. | 340322-86-3 |
| Molecular Formula | C18H20OSi |
| Molecular Weight | 280.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H20OSi, ((4-(Benzyloxy)phenyl)ethynyl)trimethylsilane contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 280.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
((4-(Benzyloxy)phenyl)ethynyl)trimethylsilane (CAS 340322-86-3) is a high-purity analytical reference standard with the molecular formula C18H20OSi and a molecular weight of 280.44 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), ((4-(Benzyloxy)phenyl)ethynyl)trimethylsilane 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 | C18H20OSi |
| Molecular Weight | 280.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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Recommended Standards
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- Desmethyl Sertraline HCl (CAS 675126-10-0)
- Propan-2-yl 3-fluoro-1-(hydroxymethyl)cyclobutane-1-carboxylate (CAS 1403766-71-1)
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- 2-(2-(3-Aminophenyl)-1h-imidazol-1-yl)ethan-1-ol (CAS 1184763-92-5)
- Hexapeptide-9 (CAS 1228371-11-6)
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