Used primarily as a building block in organic synthesis, this compound serves in the development of pharmaceuticals and agrochemicals due to its reactive halogen sites. The bromine atoms allow for cross-coupling reactions, such as Suzuki or Heck reactions, enabling the construction of complex aromatic and heteroaromatic systems. It is also employed in the synthesis of functional materials, including organic semiconductors and ligands for catalysis. Its pyrazine core contributes to electron-deficient character, making it useful in the design of electron-transport materials for optoelectronic devices.