(±)4(5)-DiHDPA lactone is primarily utilized in the field of organic synthesis as a key intermediate for the production of various bioactive compounds. Its structural features make it valuable in the development of pharmaceuticals, particularly in the synthesis of anti-inflammatory and antimicrobial agents. Additionally, it serves as a building block in the creation of complex natural products and fine chemicals. Researchers also explore its potential in material science for designing novel polymers with specific properties. Its versatility in chemical reactions makes it a crucial component in advanced synthetic methodologies.