Triethyl orthodichloroacetate is primarily used in organic synthesis as a versatile reagent for introducing dichloroacetyl groups into various compounds. It plays a significant role in the preparation of pharmaceuticals, agrochemicals, and other fine chemicals. The compound is particularly valuable in the synthesis of heterocyclic compounds, where it acts as a key intermediate. Additionally, it is employed in the development of active pharmaceutical ingredients (APIs) due to its ability to facilitate complex chemical transformations. Its use in the production of herbicides and pesticides also highlights its importance in the agricultural sector. Furthermore, triethyl orthodichloroacetate is utilized in research and development for creating novel compounds with potential biological activity.