6-Amino-7-deazapurine is primarily used in the field of medicinal chemistry and biochemistry as a building block for the synthesis of nucleoside analogs. These analogs are crucial in the development of antiviral and anticancer drugs, as they can interfere with the replication of DNA or RNA in pathogens or cancer cells. Additionally, it serves as a precursor in the creation of modified nucleotides, which are essential tools in studying nucleic acid structure and function. Its unique structure allows for the exploration of novel therapeutic agents and contributes to advancements in drug discovery and molecular biology research.