A carboxylic ester obtained by the formal condensation of the carboxy group of 2-hydroxypropanoic acid with the hydroxy group of isoamylol. ChEBI: 3-methylbutyl 2-hydroxypropanoate is a carboxylic ester obtained by the formal condensation of the carboxy group of 2-hydroxypropanoic acid with the hydroxy group of isoamylol. It has a role as a metabolite. It is functionally related to an isoamylol and a 2-hydroxypropanoic acid.