Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its reactivity makes it valuable for introducing the 4-fluorophenylacetyl group into larger molecules, especially in the development of active pharmaceutical ingredients (APIs). Commonly employed in the preparation of amides and esters through acylation reactions. Plays a role in the manufacture of certain anti-inflammatory agents and central nervous system modulators. Also utilized in research settings for building fluorinated analogs in medicinal chemistry due to the favorable metabolic and binding properties imparted by the fluorine atom.