2,3-Dimethylsuccinic acid is primarily used in the synthesis of specialty chemicals and polymers. It serves as a key intermediate in the production of plasticizers, resins, and coatings, enhancing their flexibility and durability. In the pharmaceutical industry, it is utilized in the development of active pharmaceutical ingredients (APIs) and as a building block for drug molecules. Additionally, it finds application in organic synthesis, particularly in the creation of complex organic compounds for research and industrial purposes. Its role in the production of biodegradable materials also contributes to environmentally friendly applications.