Primarily used in biochemical research, this compound acts as an inhibitor of nitric oxide synthase (NOS), which is crucial in studying the role of nitric oxide in various physiological and pathological processes. It helps in understanding mechanisms related to cardiovascular diseases, immune responses, and neural signaling. Additionally, it serves as a reagent in organic synthesis, particularly in the preparation of guanidine derivatives, which have applications in pharmaceuticals and agrochemicals. Its role in modulating enzyme activity makes it valuable in drug development and biochemical assays.