Used primarily in the field of medicinal chemistry, this compound is a metabolite of efavirenz, a key antiretroviral drug used in the treatment of HIV. It plays a significant role in pharmacokinetic studies to understand the metabolism and efficacy of the parent drug. Researchers analyze it to assess how the body processes efavirenz, which helps in optimizing dosage and reducing potential side effects. Additionally, it serves as a reference standard in analytical testing to ensure the quality and consistency of efavirenz-based medications. Its study also contributes to the development of improved therapeutic strategies for managing HIV infection.