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<h3>Overview</h3><p>4-Fluoroindoline-2,3-dione is a fluorinated heterocyclic intermediate used in pharmaceutical synthesis. Its molecular formula is C8H4FNO2 and CAS number is 100765-69-9. This compound is typically produced via <strong>oxidative cyclization</strong> of substituted anilines.</p><h3>Application</h3><ul><li>Synthesis of kinase inhibitors for oncology research</li><li>Development of novel fluoroquinolone antibiotics</li><li>Creation of fluorescent probes for biological imaging</li></ul><h3>Precautions</h3><p>Store under inert atmosphere at -20°C. Handle with PPE due to potential skin irritation. Not approved for direct clinical use; strictly for R&D applications only.</p>