Trans-2-(Ethoxycarbonyl)cyclopropanecarboxylic acid is primarily used as an intermediate in organic synthesis. It plays a significant role in the preparation of cyclopropane derivatives, which are valuable in the development of pharmaceuticals and agrochemicals. The compound is often utilized in the synthesis of biologically active molecules, including potential drug candidates, due to its cyclopropane ring structure, which can impart unique conformational properties to the final products. Additionally, it serves as a building block in the creation of complex organic compounds, contributing to advancements in medicinal chemistry and material science. Its applications extend to research and development activities, where it aids in exploring new chemical reactions and pathways.