(S) -3-Hydroxybutyrate sodium

(S) -3-Hydroxybutyrate sodium (also known as (S) -Ethyl 3-hydroxybutanoate) is an ester formed by the condensation of ethanol and (S) -3-hydroxybutyric acid. It is characterized by its distinctively sweet, fruity aroma and taste, making it a popular flavoring agent and fragrance in the food and cosmetic industries. Furthermore, it serves as a valuable chiral starting material for the synthesis of various organic compounds, including pharmaceuticals and agrochemicals.