Acetamidine Hydrobromide is primarily used in organic synthesis as a building block for the preparation of various heterocyclic compounds. It serves as a key intermediate in the production of pharmaceuticals, particularly in the synthesis of antiviral and antibacterial agents. The compound is also utilized in the development of agrochemicals, contributing to the creation of pesticides and herbicides. Additionally, it plays a role in biochemical research, where it is employed in the study of enzyme inhibitors and other biologically active molecules. Its reactivity and stability make it a valuable reagent in laboratory settings for the modification of complex organic structures.