Atorvastatin Calcium

Atorvastatin Calcium is an HMG-CoA reductase inhibitor that lowers LDL cholesterol by blocking hepatic cholesterol biosynthesis, remaining one of the highest-volume cardiovascular generics worldwide. Simson Pharma's Atorvastatin Calcium reference standard and impurities support the rigorous stability-indicating testing this statin demands.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Atorvastatin Calcium Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

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 Calcium
Atorvastatin Calcium EP Impurity K
(3S,5R)-Atorvastatin Methyl Ester
2-Hydroxy Atorvastatin lactone
4-Hydroxy Atorvastatin lactone
Atorvastatin Calcium EP Impurity A Calcium
Atorvastatin Calcium EP Impurity A Sodium
Atorvastatin Related Compound B Calcium
Atorvastatin Calcium EP Impurity B
Atorvastatin Calcium EP Impurity C Calcium
Atorvastatin Calcium Related Compound D
Atorvastatin Calcium EP Impurity E Calcium
Atorvastatin Calcium Impurity E Sodium
Atorvastatin Calcium EP Impurity E
Atorvastatin EP Impurity F(Calcium Salt)
Atorvastatin Calcium 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
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 Impurity(Mixture of diastereomers)
Atorvastatin Diepoxide Calcium
Atorvastatin Diepoxide
Atorvastatin Calcium Impurity 13
2-Fluoro Atorvastatin Sodium
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
Atorvastatin Amlodipine Adduct
Atorvastatin Calcium Impurity 14
Atorvastatin Diketo Amide Desfluoro Impurity
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 Impurity 10
Atorvastatin Calcium Form III.
Atorvastatin Calcium Impurity 24
Atorvastatin Calcium Impurity 23
Atorvastatin Calcium Impurity 26
Atorvastatin Calcium Impurity 11
Atorvastatin Calcium EP Impurity A
Atorvastatin Calcium EP Impurity C Sodium
Atorvastatin Calcium Impurity 9
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 Calcium Impurity 33
Atorvastatin Calcium Impurity 8
Atorvastatin Calcium Impurity 34
(3R,5R)-Atorvastatin Amide
Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy Analog
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 5-Oxo Acid Sodium
Atorvastatin 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
Atorvastatin Calcium Impurity 10
Atorvastatin Calcium Impurity 15
Atorvastatin Calcium Impurity 17
Atorvastatin Impurity 1

Metabolites

Atorvastatin Acyl-beta-D-Glucuronide

Isotope Labelled Compounds

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