Atorvastatin Impurities

Atorvastatin Methyl Ester

CAS No. : 345891-62-5
Synonyms : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Methyl Ester
Catalog No. : SA17826
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Atorvastatin tert-Butyl Ester

CAS No. : 134395-00-9
Synonyms : (βR,δR)-Atorvastatin tert-Butyl Ester; (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid 1,1-Dimethylethyl Ester
Catalog No. : SA17825
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Atorvastatin ethyl ester impurity

CAS No. : 1146977-93-6
Synonyms : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Ethyl Ester
Catalog No. : SA17824
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2-Bromo-2-phenyl-1-(4-fluorophenyl)-ethanone

CAS No. : 88675-31-4
Synonyms : ADK-2; 2-Bromo-1-(4-fluorophenyl)-2-phenylethanone; 2-Bromo-2-phenyl-1-(4-fluorophenyl)-ethanone
Catalog No. : SA17808
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N-Phenyl Isobutyrylacetamide

CAS No. : 124401-38-3
Synonyms : ADK-1; N-Phenyl Isobutyrylacetamide; N-Phenyl-4-methyl-3-oxopentanamide; 4-Methyl-3-oxopentanoic Acid Anilide; Isobutyrylacetanilide; 4-Methyl-3-oxo pentanoic phenylamide
Catalog No. : SA17807
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Atorvastain racemic cyano side chain

CAS No. : NA
Synonyms : tert-Butyl 2-[6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate; (6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid tert-Butyl Ester
Catalog No. : SA17805
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3-fluro diketoatorvastatin derivative

CAS No. : NA
Synonyms : 3-Anilinocarbonyl-1-(m-fluorophenyl)-5-methyl-2-phenyl-1,4-hexanedione; 2-(2-(3-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenylpentanamide; Atorvastatin Diketo Amide 3-Fluoro Analog
Catalog No. : SA17804
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2-fluro diketoatorvastatin derivative

CAS No. : 1797905-42-0
Synonyms : Atorvastatin Diketo Amide 2-Fluoro Analog; 2-(2-(2-Fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenyl pentanamide; 2-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide; 2-[2-(2-Fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic Acid Phenylamide
Catalog No. : SA17803
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3-Fluoro Atorvastatin

CAS No. : NA
Synonyms : Sodium (3R,5R)-7-(2-(3-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate
Catalog No. : SA17802
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2-Fluoro Atorvastatin

CAS No. : NA
Synonyms : (βR,δR)-2-(2-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Sodium Salt
Catalog No. : SA17801
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Atorvastatin 3-Oxopropyl Impurity

CAS No. : 110862-46-9
Synonyms : 5-(4-Fluorophenyl)-2-isopropyl-1-(3-oxopropyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide; N-Phenyl-5-(4-Fluorophenyl)-2-isopropyl-1-(3-oxopropyl)-4-phenyl-1H-pyrrole-3-carboxamide
Catalog No. : SA17823
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Atorvastatin 3-Oxo Acid

CAS No. : 1391052-00-8 (Salt)
Synonyms : 3-Oxo Atorvastatin Acid; 7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-5-hydroxy-3-oxo-heptanoic acid
Catalog No. : SA17822
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Atorvastatin 2-Hydroxy

CAS No. : 214217-86-4 (acid) , 265989-46-6 (Salt)
Synonyms : 2-Hydroxy Atorvastatin; (3R,5R)-7-[3-(2-Hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid; (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-4-[[(2-hydroxyphenyl)amino]carbonyl]-5-(1-methylethyl)-3-phenyl-1H-pyrrole-1-heptanoic Acid
Catalog No. : SA17821
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Atorvastatin 2,3-Anhydro Lactone

CAS No. : 442851-50-5
Synonyms : 2,3-Anhydro Atorvastatin Lactone; 3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone; Atorvastatin Eliminated Lactone; 1-[2-[(2S)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]-ethyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1Hpyrrole-3-carboxamide
Catalog No. : SA17820
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Atorvastatin (3S,5R)-Isomer Methyl Ester

CAS No. : 1429437-85-3
Synonyms : (3S,5R)-Atorvastatin Acid Methyl Ester; (3S,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid methyl ester
Catalog No. : SA17819
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Atorvastatin 3-Deoxy-Hept-2-Enoic Acid

CAS No. : 1105067-93-3
Synonyms : 2,3-Anhydro Atorvastatin; Dehydro Atorvastatin Acid; (S)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H- pyrrol-1-yl]-5-hydroxyhept-2-enoic acid
Catalog No. : SA17818
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Atorvastatin EP Impurity I

CAS No. : 125971-95-1
Synonyms : Atorvastatin USP Related Compound I; Atorvastatin Acetonide t-Butyl Ester; (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid t-butyl ester; (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester
Catalog No. : SA17817
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Atorvastatin EP Impurity H

CAS No. : 125995-03-1
Synonyms : Atorvastatin USP Related Compound H; Atorvastatin Lactone; 5-(4-Fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide; Atorvastatin δ-Lactone
Catalog No. : SA17816
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Atorvastatin EP Impurity G

CAS No. : 887196-29-4 (Salt)
Synonyms : Atorvastatin USP Related Compound G; 3-O-Methyl Atorvastatin; (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-5-hydroxy-3-methoxy-heptanoic acid Calcium Salt
Catalog No. : SA17815
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Atorvastatin EP Impurity F

CAS No. : 887196-24-9 (acid) ; 1105067-87-5 (calcium salt)
Synonyms : Atorvastatin USP RC F; Atorvastatin Amide Impurity; Atorvastatin Di-Amide Acid; (3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl] amino]-3,5-dihydroxy-heptanoic acid
Catalog No. : SA17814
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Atorvastatin EP Impurity E

CAS No. : 501121-34-2, 1105067-88-6 (Ca Salt)
Synonyms : Atorvastatin USP RC E; ent-Atorvastatin; (3S, 5S)-Atorvastatin; (3S,5S)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid; (βS,δS)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid
Catalog No. : SA17813
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Atorvastatin EP Impurity D

CAS No. : 148146-51-4
Synonyms : Atorvastatin USP Related Compound D; Atorvastatin Diketo Epoxide Impurity; (4-Fluorobenzoyl)-2-isobutyryl-3-phenyloxirane-2-carboxylic acid phenylamide; 3-(4-Fluorobenzoyl)-2-(2-methyl-1-oxopropyl)-N,3-diphenyloxiranecarboxamide
Catalog No. : SA17812
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Atorvastatin EP Impurity C

CAS No. : 693793-53-2
Synonyms : Atorvastatin USP Related Compound C; Fluoro Atorvastatin; Atorvastatin Difluoro Analog; (3R,5R)-7-[3-(Phenylcarbamoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Catalog No. : SA17811
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Atorvastatin EP Impurity B

CAS No. : NA
Synonyms : (3RS,5SR)-Atorvastatin; (3RS,5SR)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Catalog No. : SA17810
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Atorvastatin EP Impurity A

CAS No. : 433289-84-0 (acid) 433289-83-9 (sodium salt)
Synonyms : Atorvastatin USP Related Compound A; Desfluoro Atorvastatin; (3R,5R)-7-[3-(Phenylcarbamoyl)-5-phenyl-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Catalog No. : SA17809
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Atorvastatin 5-Oxo Acid

CAS No. : 1391052-82-6
Synonyms : 5-Oxo Atorvastatin; (3R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3-hydroxy-5-oxo-heptanoic acid; (γR)-2-(4-Fluorophenyl)-γ-hydroxy-5-(1-methylethyl)-δ-oxo-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid
Catalog No. : SA17806
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