2-Guanidinobenzimidazole is primarily utilized in the field of medicinal chemistry due to its potential biological activities. It serves as a key intermediate in the synthesis of various pharmaceutical compounds, particularly those targeting enzyme inhibition. The compound has shown promise in the development of inhibitors for enzymes like kinases, which are crucial in regulating cellular processes and are often implicated in diseases such as cancer. Additionally, its benzimidazole core structure is known for antimicrobial properties, making it a candidate for the design of new antibiotics or antifungal agents. Researchers also explore its application in the study of protein-protein interactions, where it can act as a modulator to understand disease mechanisms better. Overall, 2-Guanidinobenzimidazole is a versatile chemical with significant potential in drug discovery and biochemical research.