The molecule is the S-enantiomer of 2-hydroxy-3-methylbutyric acid. It is used as a chiral building block for peptide synthesis. It has a role as a chiral reagent and a human metabolite. It is a conjugate acid of a (S)-2-hydroxy-3-methylbutyrate. It is an enantiomer of a (R)-2-hydroxy-3-methylbutyric acid.
(2S)-2-hydroxy-3-methylbutanoic acid