Pharmaceutical Reference Standards / Impurity Standards

Atorvastatin Sodium
Atorvastatin Acid EP
Atorvastatin Calcium Trihydrate
Atorvastatin Calcium Salt anhydrous
3-Oxo-Atorvastatin
3-Oxo-Atorvastatin Calcium salt
Atorvastatin 3-Oxo Acid Sodium Salt
Atorvastatin EP Impurity H
2-Hydroxy Atorvastatin Calcium(EP)
2-Hydroxy Atorvastatin Bis sodium salt
Atorvastatin Dehydro Ethyl Ester
4-Hydroxy Atorvastatin Calcium
4-Hydroxy Atorvastatin Bis sodium
5-Oxo- Atorvastatin
Atorvastatin EP Impurity K
(3S,5R)-Atorvastatin Methyl Ester
Atorvastatine desfluoro EP Impurity A
Atorvastatine EP Impurity A (Sodium salt)
(3S,5R)-Atorvastatin Calcium Salt
Atorvastatin EP Impurity B base
Atorvastatin EP Impurity C
Atorvastatine EP Impurity D
Atorvastatine Calcium Impurity-E
Atorvastatin EP Impurity E Sodium Salt
Atorvastatin EP Impurity E
Atorvastatin EP Impurity F(Calcium Salt)
Atorvastatin Impurity F Sodium Salt
Atorvastatin EP Impurity F
Atorvastatin Impurity G Calcium salt
Atorvastatin EP Impurity G
Atorvastatin EP impurity I
Atorvastatin EP Impurity N
Atorvastatin Photo degradation Product
Atorvastatin Acetonide Acid calcium salt
Atorvastatin Acetonide Acid
Atorvastatin Lactam Phenanthrene Calcium
Atorvastatin Dehydro Lactone (S-Isomer)
Atorvastatin Dehydro Lactone(R isomer)
Atorvastatin 3-Deoxy-Hept-2-Enoic Acid (Sodium Salt)
Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Calcium Salt
Atorvastatin EP Impurity J
Atorvastatin lactam sodium (Atorvastatin Pyrrolidone Analogue)
Atorvastatin acid ethyl ester
Atorvastatin Cyclic Sodium Salt Isopropyl Impurity
Atorvastatin Cyclic Fluorophenyl Sodium Salt Impurity
Atorvastatin Lactone Diepoxide
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
10-trans-Atorvastatin acetonide tert-butyl ester
10-trans-Atorvastatin acetonide tert-butyl 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 Impurity 22
Atorvastatin Impurity 18
Atorvastatin Acetonide t-Butyl Ester side chain (4R,6S)-Isomer
Atorvastatin EP Impurity E Calcium salt
Atorvastatin Oxirane
(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 Diamino Impurity
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 EP Impurity B
Atorvastatin Impurity 14
(S)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyheptanoic acid
calcium (S)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyheptanoate
Atorvastatin Diol Methyl Ester
Atorvastatin (3R,5S)Isomer calcium salt
Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy Analog
ATORVASTATIN ACETONIDE ACID IMPURITY
5-(4-Fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide
Atorvastatin Reverse Centrient Impurity
Atorvastatin Lactam Impurity
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 EP Impurity A
Atorvastatin Impurity C (Free Base)
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 Ca salt
Atorvastatin desfluoro diol impurity
Atorvastatin Calcium EP Impurity D
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
Atorvastatin Amide Impurity
Atorvastatin Cyclic Fluorophenyl Impurity
Atorvastatin EP Impurity B Calcium Salt
Atorvastatin Impurity 40
Atorvastatin Diamino Impurity
Atorvastatin Triamino Impurity
Atorvastatin ATN-1 Triamino Impurity
N-Nitroso Atorvastatin Impurity
Atorvastatin Impurity 41

Metabolites

2-Hydroxy Atorvastatin Lactone
4-Hydroxy Atorvastatin Lactone

Isotope Labelled Compounds

O-Hydroxy Atorvastatin-D5
Atorvastatin-D5 Calcium Salt
Para Hydroxy Atorvastatin D5
4-Hydroxy Atorvastatin-D5 Disodium Salt