beta-Hydroxybutyric acid (also known as
beta-hydroxybutyrate,
3-hydroxybutyric acid or
3-hydroxybutyrate) is an organic compound with the formula CH
3CH(OH)CH
2CO
2H. It is a
beta hydroxy acid. It is a
chiral compound having two
enantiomers,
D-3-hydroxybutyric acid and
L-3-hydroxybutyric acid. Its oxidized and polymeric derivatives occur widely in nature.