atorvastin and its Impurities
Atorvastin is used along with a proper diet to help lower bad cholesterol and fats and raise good cholesterol in the blood. Reference standards of Atorvastin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![2-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-d5-ethyl]-4-m PA STI 042190](https://www.pharmaffiliates.com/pimages/PASTI042190.jpg)
2-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-d5-ethyl]-4-methyl-3-oxo-pentanoic Acid, (2-Benzyloxy-phenyl)-amide
2-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-d5-ethyl]-4-methyl-3-oxo-pentanoic Acid, (2-Benzyloxy-phenyl)-amide
Catalogue No.:PA STI 042190
CAS :
1020719-43-0
Molecular Formula : C33H25D5FNO4
Molecular Weight : 528.62

![2-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-d5-ethyl]-4-m PA STI 042200](https://www.pharmaffiliates.com/pimages/PASTI042200.jpg)
2-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-d5-ethyl]-4-methyl-3-oxo-pentanoic Acid, (4-Benzyloxy-phenyl)-amide
2-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-d5-ethyl]-4-methyl-3-oxo-pentanoic Acid, (4-Benzyloxy-phenyl)-amide
Catalogue No.:PA STI 042200
CAS :
1020719-44-1
Molecular Formula : C33H25D5FNO4
Molecular Weight : 528.62