Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its reactivity with amines and alcohols makes it valuable in forming thiourea and thiocarbamate derivatives, which are key structural motifs in bioactive molecules. Commonly employed in the development of herbicides and insecticides due to the enhanced lipophilicity and metabolic stability imparted by the fluorinated aromatic ring. Also utilized in medicinal chemistry for labeling and conjugation purposes, especially in the preparation of fluorescent probes and enzyme inhibitors. Its selective reactivity allows for efficient incorporation into complex molecules under mild conditions.