2,4-Diphenyl-7,8-dihydroquinolin-5(6H)-one

CAS: 5525-40-6

Category: Organic Pharmaceutical Intermediates

PurityResearch Grade ≥97%; High-Purity Grade ≥98%; HPLC Grade ≥99%
Molecular FormulaC21H17NO
Molecular Weight299.37
AppearanceOff-white to pale yellow crystalline powder
Packaging1 g, 5 g, 10 g, 25 g, 100 g amber glass bottle or aluminum foil bag
Testing IndicatorsAppearance — Visual inspection; Identification — FTIR and 1H/13C NMR spectroscopy; Molecular mass — LC-MS or HRMS; Purity — HPLC (UV) and/or GC where applicable; Melting point — Capillary melting point method; Water content — Karl Fischer titration (GB/T 6283); Residue on ignition — USP <281>; Residual solvents — GC (ICH Q3C); Elemental analysis — CHN analyzer.
Storage NotesStore in a tightly closed container in a cool, dry, well-ventilated place away from direct sunlight and moisture. Recommended storage at 2–8°C for long-term preservation. Protect from strong oxidizing agents and excessive heat.
Lead Time10 days
Used as a heterocyclic pharmaceutical intermediate and medicinal chemistry building block. Commonly employed in the synthesis of quinoline-based bioactive compounds, drug discovery programs, catalyst ligand research, and academic organic synthesis involving nitrogen-containing fused heterocycles.