(E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one CAS 7151-62-4
| CAS No. | 7151-62-4 |
| Molecular Formula | C20H10Cl3NO |
| Molecular Weight | 386.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 386.66 g/mol gives (E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one (CAS 7151-62-4), molecular formula C20H10Cl3NO and molecular weight 386.66 g/mol, is a CATO reference standard with documented purity and traceability.
(E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one (C20H10Cl3NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 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), (E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one 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 | C20H10Cl3NO |
| Molecular Weight | 386.66 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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