9,9-Bis(2-ethylhexyl)-2,7-di(prop-1-yn-1-yl)-9H-fluorene CAS 278176-13-9
| CAS No. | 278176-13-9 |
| Molecular Formula | C35H46 |
| Molecular Weight | 466.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9,9-Bis(2-ethylhexyl)-2,7-di(prop-1-yn-1-yl)-9H-fluorene (C35H46) 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).
9,9-Bis(2-ethylhexyl)-2,7-di(prop-1-yn-1-yl)-9H-fluorene (CAS 278176-13-9), molecular formula C35H46 and molecular weight 466.74 g/mol, is a CATO reference standard with documented purity and traceability.
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), 9,9-Bis(2-ethylhexyl)-2,7-di(prop-1-yn-1-yl)-9H-fluorene 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 | C35H46 |
| Molecular Weight | 466.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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