Atorvastatin Acid-Impurities | Pharmaffiliates

atorvastatin acid and its Impurities

A lipid lowering agent, Atorvastatin is used in the treatment of cardiovascular diseases.It is a competitive inhibitor of HMG-CoA reductase.It is a pyrrole and heptanoic acid derivative which acts as a ANTICHOLESTEREMIC AGENT that is used to reduce serum levels of LDL-CHOLESTEROL. Reference standards of Atorvastatin Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 46 results for atorvastatin acid Impurities
PAI 01 083007

Sodium (3S,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate

Sodium (3S,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate


  • Catalogue No.:PAI 01 083007

  • CAS :

    1060754-19-9

  • Molecular Formula : C33H34FN2NaO5

  • Molecular Weight : 580.63

PAI 01 083008

5-(4-Fluorophenyl)-2-isopropyl-1-(2-((2R,4R)-4-methoxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide

5-(4-Fluorophenyl)-2-isopropyl-1-(2-((2R,4R)-4-methoxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide


  • Catalogue No.:PAI 01 083008

  • CAS :

    NA

  • Molecular Formula : C34H35FN2O4

  • Molecular Weight : 554.66

PA 01 0831011

2-Fluoro Atorvastatin tert-Butyl Ester

2-Fluoro Atorvastatin tert-butyl ester


  • Catalogue No.:PA 01 0831011

  • CAS :

    1099474-28-8

  • Molecular Formula : C40H47FN2O5

  • Molecular Weight : 654.82

PA 01 0830030

Atorvastatin Acid - Impurity C (Freebase)

Fluoroatorvastatin


  • Catalogue No.:PA 01 0830030

  • CAS :

    693794-20-6

  • Molecular Formula : C33H34F2N2O5

  • Molecular Weight : 576.64

PA 01 0831013

4-Hydroxy-Atorvastatin calcium salt

4-Hydroxy-Atorvastatin Calcium Salt


  • Catalogue No.:PA 01 0831013

  • CAS :

    265989-44-4

  • Molecular Formula : C66H68CaF2N4O12

  • Molecular Weight : 1187.36

PA 01 0831014

Methyl 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxopentanoate

Methyl 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxopentanoate


  • Catalogue No.:PA 01 0831014

  • CAS :

    912998-82-4

  • Molecular Formula : C21H21FO4

  • Molecular Weight : 356.39

PA 01 0831015

5-(4-Fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide

5-(4-Fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide


  • Catalogue No.:PA 01 0831015

  • CAS :

    666714-64-3

  • Molecular Formula : C26H23FN2O

  • Molecular Weight : 398.48

PA 01 0830040

Atorvastatin Acid - Impurity D

Mixture of (2Ξ,3Ξ)-3-(4-fluorobenzoyl)-2-(2-methylpropanoyl)-N,3-diphenyloxirane-2-carboxamide (D1) and (1Ξ,2Ξ,4Ξ,5Ξ)-4-(4-fluorophenyl)-2,4-dihydroxy-N,5-diphenyl-2-(propan-2-yl)-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide (D2)


  • Catalogue No.:PA 01 0830040

  • CAS :

    NA

  • Molecular Formula : C52H46F2N2O9

  • Molecular Weight : 880.94

PA 01 0831012

(4R,cis)-6-(2-Aminoethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid

(4R,cis)-6-(2-Aminoethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid


  • Catalogue No.:PA 01 0831012

  • CAS :

    125995-17-7

  • Molecular Formula : C10H19NO4

  • Molecular Weight : 217.27

PA 01 0830152

Atorvastatin Acid - Impurity O (Freebase)

(5R)-7-[2-(4-Fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-oxoheptanoic Acid


  • Catalogue No.:PA 01 0830152

  • CAS :

    887196-30-7

  • Molecular Formula : C33H33FN2O5

  • Molecular Weight : 556.63

PA 01 0830011

Atorvastatin Acid - Impurity A (Sodium Salt)

Defluoroatorvastatin Sodium Salt


  • Catalogue No.:PA 01 0830011

  • CAS :

    1516864-05-3

  • Molecular Formula : C33H36N2NaO5

  • Molecular Weight : 563.65

PAI 01 083009

tert-Butyl (S)-5-hydroxy-6-isocyano-3-oxohexanoate

tert-Butyl (S)-5-hydroxy-6-isocyano-3-oxohexanoate


  • Catalogue No.:PAI 01 083009

  • CAS :

    NA

  • Molecular Formula : C11H17NO4

  • Molecular Weight : 227.26

PAI 01 083010

tert-Butyl (S)-2-(2-(2-hydroxy-3-isocyanopropyl)-1,3-dioxolan-2-yl)acetate

tert-Butyl (S)-2-(2-(2-hydroxy-3-isocyanopropyl)-1,3-dioxolan-2-yl)acetate


  • Catalogue No.:PAI 01 083010

  • CAS :

    NA

  • Molecular Formula : C13H21NO5

  • Molecular Weight : 271.31

PAI 01 083011

tert-Butyl (S)-2-(2-(3-amino-2-hydroxypropyl)-1,3-dioxolan-2-yl)acetate

tert-Butyl (S)-2-(2-(3-amino-2-hydroxypropyl)-1,3-dioxolan-2-yl)acetate


  • Catalogue No.:PAI 01 083011

  • CAS :

    NA

  • Molecular Formula : C12H23NO5

  • Molecular Weight : 261.32

PAI 01 083012

tert-Butyl (R)-2-(2-(4-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-2-hydroxybutyl)-1,3-dioxolan-2-yl)acetate

tert-Butyl (R)-2-(2-(4-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-2-hydroxybutyl)-1,3-dioxolan-2-yl)acetate


  • Catalogue No.:PAI 01 083012

  • CAS :

    NA

  • Molecular Formula : C39H45FN2O6

  • Molecular Weight : 656.8

PAI 01 083013

5-(4-Fluorophenyl)-1-(2-((4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide

5-(4-Fluorophenyl)-1-(2-((4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide


  • Catalogue No.:PAI 01 083013

  • CAS :

    1072081-29-8

  • Molecular Formula : C33H33FN2O4

  • Molecular Weight : 540.64

PA 01 0830071

Atorvastatin Acid - Impurity G (Dicyclohexylamine Salt)

3-O-Methylatorvastatin Dicyclohexylamine Salt


  • Catalogue No.:PA 01 0830071

  • CAS :

    NA

  • Molecular Formula : C46H60FN3O5

  • Molecular Weight : 754

PA 01 0831016

rac-3-Oxo Atorvastatin Sodium Salt

rac-3-Oxo Atorvastatin Sodium Salt


  • Catalogue No.:PA 01 0831016

  • CAS :

    1391052-00-8

  • Molecular Formula : C33H32FN2NaO5

  • Molecular Weight : 578.62

PA 01 0831017

Atorvastatin Cyclic Fluorophenyl Calcium Salt Impurity

Atorvastatin Cyclic Fluorophenyl Calcium Salt Impurity


  • Catalogue No.:PA 01 0831017

  • CAS :

    NA

  • Molecular Formula : C66H68CaF2N4O14

  • Molecular Weight : 1219.36

PAI 01 083014

2-Bromo-2-phenylacetophenone

2-Bromo-2-phenylacetophenone


  • Catalogue No.:PAI 01 083014

  • CAS :

    1484-50-0

  • Molecular Formula : C14H11BrO

  • Molecular Weight : 275.15

PAI 01 083015

2-(4-Fluorobenzylidene)-4-methyl-3-oxo-N-phenylpentanamide

2-(4-Fluorobenzylidene)-4-methyl-3-oxo-N-phenylpentanamide


  • Catalogue No.:PAI 01 083015

  • CAS :

    693793-71-4

  • Molecular Formula : C19H18FNO2

  • Molecular Weight : 311.36

PAI 01 083016

Difluoro Atorvastatin Acetonide tert-Butyl Ester

Difluoro Atorvastatin Acetonide tert-Butyl Ester


  • Catalogue No.:PAI 01 083016

  • CAS :

    693793-87-2

  • Molecular Formula : C40H46F2N2O5

  • Molecular Weight : 672.81

PA 01 0831018

Atorvastatin Cyclic Calium Salt Isopropyl Impurity

Atorvastatin Cyclic Calium Salt Isopropyl Impurity


  • Catalogue No.:PA 01 0831018

  • CAS :

    NA

  • Molecular Formula : C66H68CaF2N4O14

  • Molecular Weight : 1219.36

PA 01 0830171

Atorvastatin Acid - Impurity Q (Calium Salt)

(3R,5R)-7-[5-(4-Fluorophenyl)-2-oxo-4-phenyl-3-(phenylcarbamoyl)-3-(propan-2-yl)-2,3-dihydro-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic Acid Calcium Salt


  • Catalogue No.:PA 01 0830171

  • CAS :

    1046118-41-5

  • Molecular Formula : C66H68CaF2N4O12

  • Molecular Weight : 1187.36

PA 01 0831019

Defluoroatorvastatin Lactone

Defluoroatorvastatin Lactone


  • Catalogue No.:PA 01 0831019

  • CAS :

    NA

  • Molecular Formula : C33H34N2O4

  • Molecular Weight : 522.65

PA 01 0831020

4-(4-Fluorophenyl)-4-hydroxy-2-isopropyl-2-methoxy-N,5-diphenyl-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide

4-(4-Fluorophenyl)-4-hydroxy-2-isopropyl-2-methoxy-N,5-diphenyl-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide


  • Catalogue No.:PA 01 0831020

  • CAS :

    NA

  • Molecular Formula : C27H26FNO5

  • Molecular Weight : 463.51

PA 01 0830031

Atorvastatin Acid - Impurity C (Sodium Salt)

Fluoroatorvastatin Sodium Salt


  • Catalogue No.:PA 01 0830031

  • CAS :

    1807481-00-0

  • Molecular Formula : C33H33F2N2NaO5

  • Molecular Weight : 598.62

PA 01 0831021

Tert-butyl (R)-7-amino-5-hydroxy-3-oxoheptanoate

Tert-butyl (R)-7-amino-5-hydroxy-3-oxoheptanoate


  • Catalogue No.:PA 01 0831021

  • CAS :

    NA

  • Molecular Formula : C11H21NO4

  • Molecular Weight : 231.29

PA 01 0831022

Atorvastatin Diamino Impurity

Atorvastatin Diamino Impurity


  • Catalogue No.:PA 01 0831022

  • CAS :

    2299304-89-3

  • Molecular Formula : C24H44N2O7

  • Molecular Weight : 472.62

PA 01 0831023

tert-Butyl 2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

tert-Butyl 2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate


  • Catalogue No.:PA 01 0831023

  • CAS :

    NA

  • Molecular Formula : C34H61N3O10

  • Molecular Weight : 671.87

PA 01 0831024

tert-Butyl 2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

tert-Butyl 2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate


  • Catalogue No.:PA 01 0831024

  • CAS :

    NA

  • Molecular Formula : C60H81FN4O11

  • Molecular Weight : 1053.32

PAI 01 083017

(2R,5R)-2-(((3R,5R)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyl)oxy)-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl Triacetate

(2R,5R)-2-(((3R,5R)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyl)oxy)-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl Triacetate


  • Catalogue No.:PAI 01 083017

  • CAS :

    NA

  • Molecular Formula : C46H51FN2O14

  • Molecular Weight : 874.91

PA 01 0830021

Atorvastatin Acid - Impurity B (Calcium Salt)

(3RS,5SR)-7-[2-(4-Fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic Acid Calcium Salt


  • Catalogue No.:PA 01 0830021

  • CAS :

    840528-19-0

  • Molecular Formula : C66H70CaF2N4O10

  • Molecular Weight : 1157.38

PA 01 0831025

(3R,5R)-7-((R)-5-(4-Fluorophenyl)-3-isopropyl-2-oxo-4-phenyl-3-(phenylcarbamoyl)-2,3-dihydro-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic Acid

(3R,5R)-7-((R)-5-(4-Fluorophenyl)-3-isopropyl-2-oxo-4-phenyl-3-(phenylcarbamoyl)-2,3-dihydro-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic Acid


  • Catalogue No.:PA 01 0831025

  • CAS :

    691844-60-7

  • Molecular Formula : C33H35FN2O6

  • Molecular Weight : 574.65

PA 01 0831026

(3R,5R)-7-(2-(4-Fluorophenyl)-5-isopropyl-4-(nitroso(phenyl)carbamoyl)-3-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic Acid

(3R,5R)-7-(2-(4-Fluorophenyl)-5-isopropyl-4-(nitroso(phenyl)carbamoyl)-3-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic Acid


  • Catalogue No.:PA 01 0831026

  • CAS :

    NA

  • Molecular Formula : C33H34FN3O6

  • Molecular Weight : 587.65

PA 01 0831027

5-(4-Fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic Acid

5-(4-Fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic Acid


  • Catalogue No.:PA 01 0831027

  • CAS :

    1173184-78-5

  • Molecular Formula : C20H18FNO2

  • Molecular Weight : 323.37

PAI 01 083018

Benzyl (2S,3S,4S,5R)-3,4,5,6-tetrahydroxytetrahydro-2H-pyran-2-carboxylate

Benzyl (2S,3S,4S,5R)-3,4,5,6-tetrahydroxytetrahydro-2H-pyran-2-carboxylate


  • Catalogue No.:PAI 01 083018

  • CAS :

    NA

  • Molecular Formula : C13H16O7

  • Molecular Weight : 284.26

PAI 01 083019

(3R,4S,5S,6S)-6-((Benzyloxy)carbonyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate

(3R,4S,5S,6S)-6-((Benzyloxy)carbonyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate


  • Catalogue No.:PAI 01 083019

  • CAS :

    202401-00-1

  • Molecular Formula : C21H24O11

  • Molecular Weight : 452.41

PAI 01 083020

(2S,3S,4S,5R)-2-((Benzyloxy)carbonyl)-6-hydroxytetrahydro-2H-pyran-3,4,5-triyl triacetate

(2S,3S,4S,5R)-2-((Benzyloxy)carbonyl)-6-hydroxytetrahydro-2H-pyran-3,4,5-triyl triacetate


  • Catalogue No.:PAI 01 083020

  • CAS :

    NA

  • Molecular Formula : C19H22O10

  • Molecular Weight : 410.38

PAI 01 083021

(2S,3S,4S,5R)-2-((Benzyloxy)carbonyl)-6-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate

(2S,3S,4S,5R)-2-((Benzyloxy)carbonyl)-6-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate


  • Catalogue No.:PAI 01 083021

  • CAS :

    NA

  • Molecular Formula : C19H21BrO9

  • Molecular Weight : 473.27

PAI 01 083022

(2S,3S,4S,5R)-2-((Benzyloxy)carbonyl)-6-(((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate

(2S,3S,4S,5R)-2-((Benzyloxy)carbonyl)-6-(((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate


  • Catalogue No.:PAI 01 083022

  • CAS :

    NA

  • Molecular Formula : C52H55FN2O14

  • Molecular Weight : 951.01

PAI 01 083023

Benzyl (2S,3S,4S,5R)-6-(((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylate

Benzyl (2S,3S,4S,5R)-6-(((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylate


  • Catalogue No.:PAI 01 083023

  • CAS :

    NA

  • Molecular Formula : C46H49FN2O11

  • Molecular Weight : 824.9

PA 01 0831028

Calcium 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxy-3-oxoheptanoate

Calcium 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxy-3-oxoheptanoate


  • Catalogue No.:PA 01 0831028

  • CAS :

    NA

  • Molecular Formula : C66H64CaF2N4O10

  • Molecular Weight : 1151.33

PA 01 0831029

N-Nitroso Atorvastatin Calcium

N-Nitroso Atorvastatin Calcium


  • Catalogue No.:PA 01 0831029

  • CAS :

    NA

  • Molecular Formula : C33H33CaFN3O6

  • Molecular Weight : 626.72

PA 01 0831030

3-(2-(4-Fluorophenyl)-2-oxo-1-phenylethoxy)-4-methyl-N-phenylpent-2-enamide

3-(2-(4-Fluorophenyl)-2-oxo-1-phenylethoxy)-4-methyl-N-phenylpent-2-enamide


  • Catalogue No.:PA 01 0831030

  • CAS :

    1198087-00-1

  • Molecular Formula : C26H24FNO3

  • Molecular Weight : 417.48

PA 01 0831031

Isopropyl 4-(4-fluorophenyl)-4-oxo-3-phenyl-2-(phenylcarbamoyl)but-2-enoate

Isopropyl 4-(4-fluorophenyl)-4-oxo-3-phenyl-2-(phenylcarbamoyl)but-2-enoate


  • Catalogue No.:PA 01 0831031

  • CAS :

    NA

  • Molecular Formula : C26H22FNO4

  • Molecular Weight : 431.46