(trans,trans)-4-(4-Iodophenyl)-4'-propyl-1,1'-bi(cyclohexane) CAS 85547-11-1
| CAS No. | 85547-11-1 |
| Molecular Formula | C21H31I |
| Molecular Weight | 410.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(trans,trans)-4-(4-Iodophenyl)-4'-propyl-1,1'-bi(cyclohexane) (CAS 85547-11-1) is a high-purity analytical reference standard with the molecular formula C21H31I and a molecular weight of 410.38 g/mol.
(trans,trans)-4-(4-Iodophenyl)-4'-propyl-1,1'-bi(cyclohexane) (C21H31I) contains iodine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), (trans,trans)-4-(4-Iodophenyl)-4'-propyl-1,1'-bi(cyclohexane) 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 | C21H31I |
| Molecular Weight | 410.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | I-containing |
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