4,6-Dibromoquinoline is primarily used in organic synthesis as a versatile intermediate. It serves as a key building block in the preparation of various pharmaceuticals, particularly in the development of antimalarial and antibacterial agents. Its quinoline core structure is valuable for creating compounds with biological activity. Additionally, it is employed in the synthesis of complex organic molecules for research purposes, including the study of heterocyclic chemistry. Its bromine atoms make it a useful precursor for further functionalization through cross-coupling reactions, enabling the creation of diverse chemical entities.