Used as a key reagent in organic synthesis, particularly for introducing the 2-bromobutyryl group into molecules. It plays a significant role in the preparation of pharmaceuticals, agrochemicals, and other fine chemicals. The compound is often employed in the synthesis of complex organic structures, including intermediates for drug development. Its reactivity with alcohols, amines, and other nucleophiles makes it valuable for creating esters, amides, and other derivatives. Additionally, it is utilized in polymer chemistry for modifying polymer chains and enhancing material properties.