Atorvastatin Impurities

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Parent Drug Name Name of Impurity Catalogue No.
Atorvastatin ADK-1 (Atorvastatin Impurity) VL10038View CAS 124401-38-3
Atorvastatin ADK-2 (Atorvastatin Impurity) VL10039View CAS 88675-31-4
Atorvastatin Atorvastain racemic cyano side chain VE008732View
Atorvastatin Atorvastatin 2, 3-Anhydro lactone VL10040View CAS 442851-50-5
Atorvastatin Atorvastatin 3-Deoxy-Hept-2-Enoic Acid VL10018View
Atorvastatin Atorvastatin 3-Deoxy-Hept-2-Enoic Acid (Free Base) VE008374View CAS 1105067-93-3
Atorvastatin Atorvastatin Acetonide Impurity VE006450View CAS 581772-29-4
Atorvastatin Atorvastatin Acetonide Methyl Ester Impurity VL10037View CAS 1553049-81-6
Atorvastatin Atorvastatin Acyl-β-D-glucuronide VE009572View CAS 463962-58-5
Atorvastatin Atorvastatin Amlodipine Dimer Or Adduct VL10041View CAS 425408-16-8
Atorvastatin Atorvastatin Calcium Impurity-J VE006263View
Atorvastatin Atorvastatin Calcium Impurity-P VE006264View
Atorvastatin Atorvastatin Dehydro Lactone (R-Isomer) VE0011077View
Atorvastatin Atorvastatin Desfluoro Diol Ester Impurity VE009397View
Atorvastatin Atorvastatin Dibromo Impurity VE008631View CAS 2514955-94-1
Atorvastatin Atorvastatin Diepoxide VE006221View CAS 887470-43-1
Atorvastatin Atorvastatin Diepoxide Calcium Salt VL10014View
Atorvastatin Atorvastatin Diepoxide Lactone Impurity VE007949View CAS 1046118-40-4
Atorvastatin Atorvastatin Diepoxy-Tetrahydropyranyl VL10036View CAS 196085-85-5
Atorvastatin Atorvastatin Diketo Amide 2-Fluoro Analog VE008630View CAS 1797905-42-0
Atorvastatin Atorvastatin EP Impurity A VE008745View CAS 433289-84-0
Atorvastatin Atorvastatin EP Impurity B (Free Base) VE009319View CAS 842103-12-2
Atorvastatin Atorvastatin EP Impurity C VE008906View CAS 693794-20-6
Atorvastatin Atorvastatin EP Impurity D VL10003View CAS 148146-51-4
Atorvastatin Atorvastatin EP Impurity E (Calcium Salt) VL10006View CAS 1105067-88-6
Atorvastatin Atorvastatin EP Impurity E (Na Salt) VE009244View CAS 1428118-38-0
Atorvastatin Atorvastatin EP Impurity F (Ca Salt) VL10011View CAS 1105067-87-5
Atorvastatin Atorvastatin EP Impurity F (Free Acid) VE006369View CAS 887196-24-9
Atorvastatin Atorvastatin EP Impurity F (sodium salt) VE006021View CAS 1371615-56-3
Atorvastatin Atorvastatin EP Impurity G VE009827View CAS 887324-53-0
Atorvastatin Atorvastatin EP Impurity G VL10010View CAS 887196-29-4
Atorvastatin Atorvastatin EP Impurity G (Diisopropyl Amine Salt) VE0011078View
Atorvastatin Atorvastatin EP Impurity H VL10002View CAS 125995-03-1
Atorvastatin Atorvastatin EP Impurity H-D5 DVE0055View
Atorvastatin Atorvastatin EP Impurity K VL10009View CAS 345891-62-5
Atorvastatin Atorvastatin EP Impurity O (Free Base) VE009989View CAS 887196-30-7
Atorvastatin Atorvastatin EP Impurity O (Na Salt) VL10007View CAS 1391052-00-8
Atorvastatin Atorvastatin Epoxy Tetrahydrofuran Analog VL10030View CAS 873950-19-7
Atorvastatin Atorvastatin Ethyl Ester impurity VL10024View CAS 1146977-93-6
Atorvastatin Atorvastatin FX1 Impurity VE008426View CAS 873950-18-6
Atorvastatin Atorvastatin FXA Impurity VL10023View CAS 1316291-19-6
Atorvastatin Atorvastatin FXA Impurity(Free Base) VE006545View
Atorvastatin Atorvastatin Impurity 95-D5 DVE0054View
Atorvastatin Atorvastatin Isopropyl Ester VL10028View CAS 1035205-25-4
Atorvastatin Atorvastatin Lactam Lactone VL10031View CAS 906552-19-0
Atorvastatin Atorvastatin Oxirane Impurity VL10032View CAS 1246818-88-1
Atorvastatin Atorvastatin Pyrrolidone Analog VL10019View CAS 148217-40-7
Atorvastatin Atorvastatin Pyrrolidone Analog (Calcium Salt) VE0011076View
Atorvastatin Atorvastatin Pyrrolidone Analog (Free Base) VE006732View CAS 906552-18-9
Atorvastatin Atorvastatin Related Compound A VL10004View CAS 433289-83-9
Atorvastatin Atorvastatin Related Compound B VL10001View CAS 887196-25-0
Atorvastatin Atorvastatin Related Compound C VL10005View CAS 693793-53-2
Atorvastatin Atorvastatin Related Compound I VL10012View CAS 125971-95-1
Atorvastatin Atorvastatin tert-Butyl Ester VL10013View CAS 134395-00-9
Atorvastatin Atorvastatin-FX1 Impurity(Na Salt) VL10021View CAS 1315629-79-8
Atorvastatin Defluoro Atorvastatin Acetonide tert-Butyl Ester VE009396View CAS 1105067-91-1
Atorvastatin Nitrosamine Impurity Of Atorvastatin VE0011042View
Atorvastatin Ortho-Hydroxy Atorvastatin-D5 Calcium Salt DVE0057View CAS 265989-47-7
Atorvastatin Ortho-Hydroxy Atorvastatin-D5 Lactone DVE0058View CAS 265989-50-2
Atorvastatin Para-Hydroxy Atorvastatin-D5 Lactone DVE0059View CAS 265989-49-9
Atorvastatin 1-(2-fluorophenyl)-2-phenylethan-1-one VE009849View CAS 77294-82-7
Atorvastatin 1-(3-Fluorophenyl)-2-phenylethan-1-one VE009850View CAS 40281-50-3
Atorvastatin 2-Fluoro Atorvastatin ( Sodium Salt ) VE009131View CAS 1346598-86-4
Atorvastatin 3-Fluoro Atorvastatin (Sodium Salt) VE009130View
Atorvastatin 3-fluro diketoatorvastatin derivative VE008744View
Atorvastatin 4-Fluorobenzaldehyde VE008518View CAS 459-57-4
Atorvastatin 4-Hydroxy Atorvastatin Monosodium Salt VL10015View CAS 163217-71-8
Atorvastatin 5-(4-fluorophenyl)-2-isopropyl-1-nitroso-N, 4-diphenyl-1H-pyrrole-3-carboxamide VE0011043View
Atorvastatin 5-Oxo Atorvastatin VE008728View CAS 1391052-82-6
Atorvastatin (3R, 5R)-Atorvastatin Amide VE009318View CAS 2125501-02-0

Atorvastatin Related Compound

Atorvastatin is a lipid-lowering drug used in the primary and secondary prevention of coronary heart disease. They inhibit the enzyme HMG-CoA reductase.


  • “Statins.”, 2023,
  • Nawrocki, James W., et al. “Reduction of LDL Cholesterol by 25% to 60% in Patients with Primary Hypercholesterolemia by Atorvastatin, a New HMG CoA Reductase Inhibitor.” Arteriosclerosis, Thrombosis, and Vascular Biology, vol. 15, no. 5, May 1995, pp. 678–82,
  • Bansal, Agam B., and ManouchkatheCassagnol. “HMG-CoA Reductase Inhibitors.”, StatPearls Publishing, 4 July 2022.


How effective is atorvastatin?

Often, statins have excellent results. They can lower your LDL cholesterol by about 30%, and in certain cases, large dosages can even lower it by 50%.

How rapidly does atorvastatin reduce cholesterol levels?

Atorvastatin takes effect quickly; during the first two weeks of medication, LDL cholesterol was reduced by 90% from baseline.

What is the mechanism action of atorvastatin ?

The inhibition of hepatic cholesterol synthesis causes a decrease in cholesterol in theendoplasmic reticulum, which causes the movement of sterol regulatory element bindingproteins (SREBPs) from the endoplasmic reticulum to the golgi, where they are cleaved byproteases and converted into active transcription factors.

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1035205-25-4: Atorvastatin Isopropyl Ester

1035205-25-4: Atorvastatin Isopropyl Ester
Catalogue No.




Molecular Formula


Molecular Weight

600.72 g/mol

Parent drug



(3R, 5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3, 5-dihydroxyheptanoic acid isopropyl ester




McIver, Lindsey A., and Momin S. Siddique. Atorvastatin.”, StatPearls Publishing, 5 Jan. 2019, Ramkumar, Satish, et al. Statin Therapy: Review of Safety and Potential Side Effects.” Acta Cardiologica Sinica, vol. 32, no. 6, Taiwan Society of Cardiology, 2016, pp. 631–39,




Atorvastatin Isopropyl Ester

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