The molecule is the S-enantiomer of 2-hydroxy-3-methylbutyrate. The conjugate base of (S)-2-hydroxy-3-methylbutyric acid, formed by loss of a proton from the carboxy group, it is the major species present at physiological pH. It has a role as a human metabolite. It is a conjugate base of a (S)-2-hydroxy-3-methylbutyric acid. It is an enantiomer of a (R)-2-hydroxy-3-methylbutyrate.
(2S)-2-hydroxy-3-methylbutanoate