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4-fluoro-2-(methylamino)benzoic acid; CAS No.: 128992-62-1; Operating as a worldwide chemical supplier, ChemShuttle provides 4-fluoro-2-(methylamino)benzoic acid. This fluorinated aniline derivative serves as a building block for PET tracer synthesis and kinase inhibitor development. The methylamino group enables conjugation to chelating agents for radiometal incorporation, while the fluorine atom allows 18F-radiolabeling via prosthetic groups. Applications include EGFR inhibitor development and aluminum-68 based diagnostic agents. ChemShuttle offers custom purification services to meet stringent residual solvent requirements for injectable formulations. Technical data includes comparative stability studies under gamma irradiation conditions.