Product Description: (S)-Methyl 3-hydroxybutanoate consists of a chiral center, resulting in two enantiomers, where (S)-Methyl 3-hydroxybutanoate means that the hydroxyl group is located on the third carbon atom of the S-configuration carboxylic acid group stereoisomers. This compound is often used as a building block for the synthesis of various pharmaceuticals and natural products. Due to its fruity taste, it is also used as a flavor and fragrance ingredient.