Pharmaceutical Reference Standards / Impurity Standards

Atorvastatin sodium
Atorvastatin Acid
Atorvastatin Calcium Trihydrate
Atorvastatin Calcium Salt anhydrous
3-Oxo Atorvastatin
3-Oxo-Atorvastatin Calcium salt
3-Oxo Atorvastatin Impurity Sodium Salt
Atorvastatin 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 EP Impurity K
(3S,5R)-Atorvastatin Methyl Ester
2-Hydroxy Atorvastatin lactone
4-Hydroxy Atorvastatin lactone
Atorvastatine desfluoro EP Impurity A
Atorvastatine desfluoro Impurity (EP Imp. A) (USP Related Compd A) sodium
(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 (Atorvastatin Acetonide)calcium test
Atorvastatin Acetonide Acid (Atorvastatin Acetonide)
Atorvastatin Lactam Phenanthrene Calcium
Atorvastatin Dehydro Lactone
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 (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 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 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
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 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
(3S,5S)-Atorvastatin Acetonide tert-Butyl Ester
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

Isotope Labelled Compounds

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