Methyl 3-oxo-4-androstene-17beta-carboxylate is primarily used in the field of steroid chemistry and pharmaceutical research. It serves as a key intermediate in the synthesis of various steroid-based compounds, including corticosteroids and anabolic steroids. Its structure is particularly valuable for modifying and developing new therapeutic agents that target hormonal regulation, inflammation, and muscle growth. Researchers utilize this compound to explore its potential in creating drugs for conditions such as autoimmune diseases, hormonal imbalances, and muscle-wasting disorders. Additionally, it plays a role in studying the metabolic pathways and biological activities of steroid derivatives, contributing to advancements in medicinal chemistry.