2-Amino-2'-deoxyadenosine is primarily used in biochemical research and pharmaceutical development. It serves as a modified nucleoside that can be incorporated into DNA or RNA sequences to study nucleic acid interactions and functions. This compound is particularly valuable in investigating the mechanisms of DNA replication, repair, and mutagenesis. It is also utilized in the development of antiviral and anticancer agents, as its structural modifications can inhibit the activity of specific enzymes involved in viral replication or tumor growth. Additionally, it plays a role in the synthesis of oligonucleotides for therapeutic and diagnostic purposes, such as antisense therapy or gene editing technologies.