2-[3-(3,5-Dimethylphenoxy)-2-hydroxypropyl]-1H-isoindole-1,3(2H)-dione is an intermediate used in the synthesis of 1-Amino-3-(3,5-dimethylphenoxy)-2-propanol (A607300), which is a degradation product of Metaxalone (M225850); a muscle relaxant used to relax muscles and relieve pain.