Ezetimibe Drug Name Ezetimibe Impurity Name (S)-3-((S)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one CAS Number 189028-95-3 Impurity Name Ezetimibe ketone CAS Number 191330-56-0 Impurity Name Ezetimibe tetrahydropyran analog CAS Number 1296129-15-1 Contact Us