1-(3-Methoxyphenyl)guanidine is primarily utilized in the field of organic synthesis, where it serves as a valuable intermediate in the production of various pharmaceuticals and bioactive compounds. Its structure makes it particularly useful in the development of drugs targeting neurological and cardiovascular systems. Additionally, it has been explored in the synthesis of compounds with potential antimicrobial and anticancer properties. Researchers also investigate its role in creating ligands for receptor studies, aiding in the understanding of biochemical pathways and drug discovery processes.