3-Hydroxyvaleric acid is primarily utilized in the production of biodegradable polymers, particularly polyhydroxyalkanoates (PHAs). These polymers are environmentally friendly alternatives to conventional plastics, as they are derived from renewable resources and can be broken down by natural processes. The compound serves as a monomer in the synthesis of PHAs, which are used in various applications such as packaging materials, agricultural films, and medical devices like sutures and drug delivery systems. Additionally, 3-Hydroxyvaleric acid is employed in the development of bio-based chemicals and intermediates for the pharmaceutical and cosmetic industries, contributing to the creation of sustainable and biocompatible products. Its role in green chemistry highlights its importance in reducing reliance on fossil fuels and minimizing environmental impact.