Pharmaceutical Reference Standards / Impurity Standards

Atorvastatin sodium
Atorvastatin Acid
Atorvastatin Calcium Trihydrate
Atorvastatin Calcium
3-Oxo Atorvastatin
Atorvastatin Calcium EP Impurity O Calcium
Rac-3-Oxo Atorvastatin Calcium Sodium
Atorvastatin Calcium EP Impurity H
2-Hydroxy Atorvastatin Calcium
2-Hydroxy Atorvastatin Bis sodium salt
Atorvastatin Dehydro Ethyl Ester
4-Hydroxy Atorvastatin Calcium
4-Hydroxy Atorvastatin Bis sodium
5-Oxo Atorvastatin
Atorvastatin Calcium EP Impurity K
(3S,5R)-Atorvastatin Methyl Ester
2-Hydroxy Atorvastatin lactone
4-Hydroxy Atorvastatin lactone
Atorvastatin EP Impurity A Calcium
Atorvastatin Calcium EP Impurity A Sodium
(3S,5R)-Atorvastatin Calcium Salt
Atorvastatin Calcium EP Impurity B
Atorvastatin Calcium EP Impurity C Calcium
Atorvastatin Calcium Related Compound D
Atorvastatin EP Impurity E Calcium
Atorvastatin EP Impurity E Sodium Salt
Atorvastatin Calcium EP Impurity E
Atorvastatin EP Impurity F(Calcium Salt)
Atorvastatin EP Impurity F Sodium
Atorvastatin Calcium EP Impurity F
Atorvastatin Calcium EP Impurity G Calcium
Atorvastatin Calcium EP Impurity G
Atorvastatin Calcium EP impurity I
Atorvastatin Calcium EP Impurity N
Atorvastatin Epoxy Tetrahydrofuran Analog
Atorvastatin Calcium EP Impurity P Calcium
Atorvastatin Calcium EP Impurity P
Atorvastatin Lactam Phenanthrene Calcium (Mixture Of Diastereomers)
Atorvastatin Dehydro Lactone
Atorvastatin Dehydro Lactone (R isomer)
Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Sodium Salt
Atorvastatin Calcium EP Impurity J Calcium
Atorvastatin Calcium EP Impurity J
Atorvastatin Pyrrolidone Analog Sodium
Atorvastatin Calcium EP Impurity M
Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy Analog Sodium
Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy Analog Sodium
Atorvastatin Lactone Diepoxide (Mixture of diastereomers)Impurity
Atorvastatin Diepoxide Calcium Salt
2-Fluoro Atorvastatin Sodium Salt
4-Fluorobenzaldehyde
Atorvastatin Acetonide t-Butyl Ester Side Chain (4S,6S)-Isomer
Ethyl (S)-4-Chloro-3-hydroxybutyrate
Atorvastatin Pyrrolidone Lactone
Atorvastatin Diketoene Impurity
Atorvastatin Epoxy Pyrrolooxazin Tricyclic Analog
Atorvastatin-Amlodipine Dimer
(3R,5S)-Atorvastatin Sodium Salt
Atorvastatin-Amlodipine Adduct
Atorvastatin Acetonide t-Butyl Ester Side Chain (4R,6S)-Isomer
4-Methyl-3-oxo-2-(2-oxo1,2-dipehnylethyl)-N-phenylpentanamide
Atorvastatin Difluoro Impurity
2-Fluoro Atorvastatin Sodium Salt
Atorvastatin Acid Sodium salt
Atorvastatin Diketo Amide 2-Fluoro Analog
Atorvastatin Impurity 29
Atorvastatin Acetonide t-Butyl Ester (4S,6R)-Isomer
(4R,6R)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester
Atorvastatin Acetonide t-Butyl Ester Side Chain(4S,6R)-Isomer
Atorvastatin Diol Isopropyl Ester
Atorvastatin Impurity 38
Atorvastatin Impurity 37
Atorvastatin Impurity 28
Atorvastatin Calcium Impurity 22
Atorvastatin Impurity 18
Atorvastatin Acetonide t-Butyl Ester Side Chain (4R,6S)-Isomer
Atorvastatin EP Impurity E Calcium salt
Atorvastatin Oxirane Impurity
(4S,trans)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate
(4S,cis)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate
2,3,4,5-Dianhydro Atorvastatin Acid
Atorvastatin Related Compound B
Ethyl (s)-4-cyano-3-hydroxybutyrate
Atorvastatin Reverse Impurity
Atorvastatin N-methyl-D-glucamide Impurity
Atorvastatin Diamino Impurity 1
Atorvastatin Lactone Dimer
Atorvastatin Diketo Amide 2-Fluoro Analog
(4S,6R)- 6-(cyanomethyl)-2,2-dimethyl-, 1,1-dimethylethyl ester, 1,3-Dioxane-4-acetic acid
Atorvastatin Calcium Related Compound B
Atorvastatin Impurity 14
(S)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyheptanoic acid
Atorvastatin Impurity 48
Atorvastatin Diol Methyl Ester
Atorvastatin (3R,5S)Isomer calcium salt
Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy Analogue
Atorvastatin Acetonide Acid Impurity
5-(4-Fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide
Atorvastatin Reverse Centrient Impurity
Atorvastatin EP Impurity Q
Atorvastatin Calcium Form III.
Atorvastatin Impurity 24
Atorvastatin Impurity 23
Atorvastatin Impurity 26
4-methyl-3-(2-oxo-1,2-diphenylethoxy)-N-phenylpent-2-enamide
Atorvastatin Calcium EP Impurity A
Atorvastatin Calcium EP Impurity C
6,10-Dioxaspiro[4.5]decane-7-acetic acid, 9-(2-aminoethyl)-, 1,1-dimethylethyl ester, (7R,9R)
Difluoro Atorvastatin Acetonide tert-Butyl Ester
Atorvastatin Lactam Impurity Calcium
Atorvastatin desfluoro diol impurity
Atorvastatin Acetonide t-Butyl Ester(3S,5S)-Isomer
Atorvastatin Calcium EP Impurity D(D1+D2)
Atorvastatin Impurity 33
(3S,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Atorvastatin Impurity 34
(3R,5R)-Atorvastatin Amide
Atorvastatin Cyclic Fluorophenyl Impurity
Atorvastatin EP Impurity B Calcium
Atorvastatin Calcium Impurity 40
Atorvastatin Diamino Impurity 2
Atorvastatin Triamino Impurity
Atorvastatin Calcium Triamino Impurity 1
N-Nitroso Atorvastatin Impurity
Atorvastatin Calcium Impurity 41
Atorvastatin Calcium Impurity 4
Atorvastatin Calcium Impurity 16
Atorvastatin Pyrrolidone Phenanthrene Sodium (R,R)
Atorvastatin Calcium Impurity 12 Calcium
Atorvastatin Lactam Calcium Impurity 2
Atorvastatin Calcium Impurity 1
(3R,5S)-Atorvastatin Calcium 
Atorvastatin Calcium Impurity 5
Atorvastatin Lactam Phenanthrene Calcium
Atorvastatin Calcium Impurity 6
Atorvastatin Calcium Impurity 7
Atorvastatin Calcium Impurity 2
Atorvastatin Calcium 5-Oxo Acid Sodium
Atorvastatin Calcium Pyrrolidone Phenanthrene
5-Oxo-Atorvastatin Calcium Impurity
Desfluoro Atorvastatin Acetonide tert-butyl ester
Atorvastatin calcium trihydrate Form 1
Atorvastatin Amide
Atorvastatin Calcium Impurity 3
(3S,5S)-Atorvastatin tert-Butyl Ester

Metabolites

Atorvastatin Acyl-beta-D-Glucuronide

Isotope Labelled Compounds

O-Hydroxy Atorvastatin-D5
Atorvastatin-D5 Calcium Salt
p-Hydroxy Atorvastatin D5
4-Hydroxy Atorvastatin-D5 Disodium Salt
Atorvastatin Calcium D5 Lactone
2-Fluoro Atorvastatin Sodium D5