(S,Z)-tert-Butyl((3-(2-chloroethylidene)-4-methylenecyclohexyl)oxy)dimethylsilane CAS 138313-18-5
| CAS No. | 138313-18-5 |
| Molecular Formula | C15H27ClOSi |
| Molecular Weight | 286.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(S,Z)-tert-Butyl((3-(2-chloroethylidene)-4-methylenecyclohexyl)oxy)dimethylsilane (CAS 138313-18-5) is a high-purity analytical reference standard with the molecular formula C15H27ClOSi and a molecular weight of 286.91 g/mol.
Based on its molecular formula C15H27ClOSi, (S,Z)-tert-Butyl((3-(2-chloroethylidene)-4-methylenecyclohexyl)oxy)dimethylsilane contains a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 286.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (S,Z)-tert-Butyl((3-(2-chloroethylidene)-4-methylenecyclohexyl)oxy)dimethylsilane 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 | C15H27ClOSi |
| Molecular Weight | 286.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
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