(3-Hydroxyphenyl)acetonitrile is primarily used as an intermediate in the synthesis of various pharmaceuticals and organic compounds. It plays a key role in the production of active pharmaceutical ingredients (APIs), particularly in the development of drugs targeting neurological and cardiovascular conditions. Additionally, it is utilized in the manufacture of agrochemicals, contributing to the creation of herbicides and pesticides. Its chemical structure allows it to act as a building block in organic synthesis, enabling the formation of complex molecules with specific biological activities. In research, it is employed in the study of biochemical pathways and the development of novel therapeutic agents.