Adenine hemisulfate salt is widely used in biochemical research and pharmaceutical applications. It serves as a key component in the synthesis of nucleotides and nucleic acids, making it essential for studies in molecular biology and genetics. In cell culture, it is often added to media to promote cell growth and proliferation, particularly in the cultivation of certain bacteria and mammalian cells. Additionally, it is utilized in the production of antiviral and anticancer drugs, where it acts as a building block for active pharmaceutical ingredients. Its role in the synthesis of ATP analogs also makes it valuable in metabolic studies and enzyme research.