Used as a key intermediate in the synthesis of various pharmaceutical compounds, particularly in the development of antiviral and anticancer agents. Its hydrazine and amino functional groups allow for versatile chemical modifications, enabling the formation of fused heterocyclic systems commonly found in bioactive molecules. It is also employed in the preparation of kinase inhibitors and other enzyme modulators due to its ability to interact with biological targets through hydrogen bonding and π-π stacking interactions. Additionally, it finds use in medicinal chemistry research for constructing pyrimidine-based scaffolds with potential antimicrobial and anti-inflammatory activities.