S-(Chloromethyl) carbamothioate is primarily used as an intermediate in the synthesis of various chemical compounds, particularly in the production of agricultural chemicals. It plays a role in the development of herbicides and pesticides, contributing to the control of weeds and pests in crops. Additionally, it is utilized in the manufacturing of pharmaceuticals, where it serves as a building block for the synthesis of active ingredients. Its reactivity and chemical structure make it valuable in organic synthesis for creating complex molecules with specific functions.