| CAS No. | 650634-92-7 |
| Molecular Formula | C21H23F3O |
| Molecular Weight | 348.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 348.40 g/mol gives 4-(trans-4-Ethylcyclohexyl)-4'-(trifluoromethoxy)-1,1'-biphenyl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(trans-4-Ethylcyclohexyl)-4'-(trifluoromethoxy)-1,1'-biphenyl (CAS 650634-92-7), molecular formula C21H23F3O and molecular weight 348.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H23F3O, 4-(trans-4-Ethylcyclohexyl)-4'-(trifluoromethoxy)-1,1'-biphenyl contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-(trans-4-Ethylcyclohexyl)-4'-(trifluoromethoxy)-1,1'-biphenyl 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.
| Molecular Formula | C21H23F3O |
| Molecular Weight | 348.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |