Used primarily as an intermediate in the synthesis of tetracycline-class antibiotics. It plays a key role in pharmaceutical manufacturing, particularly in modifying tetracycline structures to enhance antimicrobial activity or improve pharmacokinetic properties. Due to its amine functionality, it allows for chemical derivatization to produce semi-synthetic tetracyclines with broader spectrum activity against resistant bacterial strains. Also utilized in research settings to develop novel antibiotic candidates and study structure-activity relationships within tetracycline analogs.