Urethane formula, also called as Ethyl carbamate formula or Ethyl urethane formula is explained in this article. It's not a component of polyurethanes however an ester of carbamic acid. The molecular formula of Urethane is C3H7NO2.Ethyl carbamate occurs as a colorless crystal or white powder compound. It is odorless and tastes such as saline. It is used as an antineoplastic agent, an intermediate during organic synthesis, and veterinary anesthetic.