4-Hydroxyphenylacetamide is primarily used in the pharmaceutical industry as an intermediate in the synthesis of various drugs. It plays a key role in the production of analgesics and antipyretics, contributing to the development of medications that alleviate pain and reduce fever. Additionally, it is utilized in the creation of certain antibiotics, aiding in the treatment of bacterial infections. Its chemical structure allows for modification and incorporation into more complex molecules, making it valuable in organic synthesis for drug discovery and development. In research, it serves as a building block for studying biochemical pathways and developing new therapeutic agents.