7-azaspiro[3.5]nonane is utilized in the development of pharmaceutical compounds, particularly in the synthesis of bioactive molecules. Its unique spirocyclic structure makes it a valuable scaffold in medicinal chemistry, where it is often incorporated into drug candidates targeting neurological disorders, such as Alzheimer's disease and depression. Additionally, it serves as a key intermediate in the creation of ligands for receptor modulation, aiding in the study of various biological pathways. Its application extends to agrochemical research, where it is explored for the development of novel pesticides and herbicides. The compound's versatility in organic synthesis also makes it a useful building block for constructing complex chemical structures in academic and industrial research.