| CAS No. | 22692-80-4 |
| Molecular Formula | C17H16 |
| Molecular Weight | 220.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1-Ethyl-4-[(4-methylphenyl)ethynyl]benzene (CAS 22692-80-4), molecular formula C17H16 and molecular weight 220.31 g/mol, is a CATO reference standard with documented purity and traceability.
1-Ethyl-4-[(4-methylphenyl)ethynyl]benzene (C17H16) contains a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 1-Ethyl-4-[(4-methylphenyl)ethynyl]benzene 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 | C17H16 |
| Molecular Weight | 220.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |