QL47 is primarily used in the pharmaceutical industry as a key intermediate in the synthesis of various active pharmaceutical ingredients (APIs). It plays a crucial role in the development of drugs targeting specific diseases, particularly in oncology and neurology. Its unique chemical structure allows it to act as a building block for complex molecules, enhancing the efficacy and stability of the final drug product. Additionally, QL47 is utilized in research laboratories for studying biochemical pathways and developing novel therapeutic agents. Its application extends to the production of specialized compounds used in diagnostic assays, aiding in the detection and monitoring of diseases.