Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals, this compound plays a key role in cross-coupling reactions, particularly Stille coupling, where the tributylstannyl group facilitates the formation of carbon-carbon bonds. Its halogenated pyridine structure allows for selective functionalization, making it valuable in the development of complex organic molecules. Commonly employed in medicinal chemistry for constructing pyridine-based drug candidates, it supports the creation of bioactive compounds with potential applications in treating various diseases. Due to the presence of tin, handling requires care to avoid toxicity, and it is typically used in controlled environments for research and development purposes.