Ezetimibe Impurities

Dear Sir
We have available Ezetimibe Impurities.

1. Impurity Name : Ezetimibe Enantiomer
Chemical Name : (3S4R)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one
CAS Number: 1376614-99-1
2. Impurity Name : Ezetimibe Diacetate
Chemical Name : (3R4S)-3-[(3S)-3-(Acetyloxy)-3-(4-fluorophenyl)propyl]-4-[4-(acetyloxy)phenyl]-1-(4-fluorophenyl)-2-azetidinone
CAS Number: 163380-20-9

3. Impurity Name : Ezetimibe Desfluoro Analog
Chemical Name : (3R4S)-1-Phenyl-3-[(3S)-3-(4-fluorophenyl) -3-hydroxypropyl]-4-(4-hydroxyphenyl)-2-azetidinone
CAS Number: 302781-98-2
Molecular Formula: C24H22FNO3
Molecular Weight: 391.43

4. Impurity Name : Ezetimibe Benzyl Impurity
Chemical Name : ((3R4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-(phenylmethoxy)phenyl]-2-azetidinone
CAS Number: 163222-32-0

5. Impurity Name : Ezetimibe 3-Oxo Impurity
Chemical Name : (3R4S)-1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl]-4-(4-hydroxy phenyl)-2-azetidinone
CAS Number: 191330-56-0

6. Impurity Name : Ezetimibe 3-O-Acetyl Impurity
Chemical Name: (3R4S)-3-[(3S)-3-(Acetyloxy)-3-(4-fluorophenyl)propyl]-4-(4-hydroxy phenyl)-1-(4-fluorophenyl)-2-azetidinone
CAS Number: 1044664-24-5