Adenine hemisulfate salt is widely used in biochemical and molecular biology research. It serves as a key component in the synthesis of nucleotides, which are essential for DNA and RNA production. This compound is often utilized in cell culture media to support cell growth and proliferation, particularly in the cultivation of certain microorganisms and mammalian cells. Additionally, it plays a role in the study of metabolic pathways and enzymatic reactions involving purine metabolism. Its application extends to the development of antiviral and anticancer drugs, where it acts as a precursor or intermediate in the synthesis of therapeutic agents.