1-Bromocyclopropanecarboxylic acid is primarily used as a versatile intermediate in organic synthesis. It plays a significant role in the preparation of various cyclopropane-containing compounds, which are valuable in medicinal chemistry for developing pharmaceuticals. The compound is often employed in cyclopropanation reactions, where it helps introduce the cyclopropane ring into target molecules, enhancing their biological activity or stability. Additionally, it serves as a building block for synthesizing agrochemicals, such as pesticides and herbicides, due to its ability to modify the structure and properties of active ingredients. Its reactivity with nucleophiles also makes it useful in creating complex organic molecules for research and industrial applications.