3-Bromo-6-chloroimidazo[1,2-b]pyridazine (CAS 13526-66-4) is a heterocyclic aromatic compound primarily used as a key building block in medicinal chemistry and pharmacological research. It is well-documented for its role in developing effective inhibitors of PIM-1 protein kinases (often targeted in leukemia and lymphoma treatments). Purity > 99%.