Thalidomide-O-C7-acid is primarily utilized in the development of pharmaceutical compounds, particularly in the design of prodrugs and targeted therapies. Its structure allows for conjugation with other molecules, enhancing drug delivery and specificity. This compound is often explored in cancer research, where it is used to create derivatives that can inhibit angiogenesis, thereby restricting tumor growth. Additionally, it plays a role in immunomodulation, aiding in the treatment of autoimmune diseases and inflammatory conditions. Its application in medicinal chemistry also extends to the synthesis of novel therapeutic agents for conditions like leprosy and multiple myeloma, leveraging its ability to modulate biological pathways effectively.