Impurities

Atorvastatin Impurities

  • Atorvastatin - EP Impurity B

  • Impurity: Atorvastatin - EP Impurity B
  • Chemical Name: (3S,5R)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt
  • Atorvastatin - EP Impurity D

  • Impurity: Atorvastatin - EP Impurity D
  • Chemical Name: 3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide
  • Atorvastatin-2-hydroxy impurity

  • Impurity: Atorvastatin-2-hydroxy impurity
  • Chemical Name: (3R,5R)-7-(3-(2-hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid
  • Atorvastatin-4-hydroxy impurity

  • Impurity: Atorvastatin-4-hydroxy impurity
  • Chemical Name: (3R,5R)-7-(3-(4-hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid
  • Atorvastatin - EP Impurity F

  • Impurity: Atorvastatin - EP Impurity F
  • Chemical Name: (3R,5R)-7-{(3R,5R)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanamido}-3,5-dihydroxyheptanoic acid calcium salt
  • Atorvastatin-5-Oxo-impurity

  • Impurity: Atorvastatin-5-Oxo-impurity
  • Chemical Name: Atorvastatin-5-Oxo-impurity
  • Ep Impurity G(Ats-3-O-methyl)

  • Impurity: Ep Impurity G(Ats-3-O-methyl)
  • Chemical Name: (3R,5R)-7-(3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)-5-hydroxy-3-methoxyheptanoic acid calcium salt
  • Atorvastatin - EP Impurity A

  • Impurity: Atorvastatin - EP Impurity A
  • Chemical Name: (3R,5R)-7-[3-(Phenylcarbamoyl)-2-isopropyl-4,5-diphenyl-1Hpyrrol-1-yl]-3,5-dihydroxyheptanoic acid sodium salt
  • Atorvastatin - EP Impurity E

  • Impurity: Atorvastatin - EP Impurity E
  • Chemical Name: (3S,5S)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt
  • Atorvastatin - EP Impurity C

  • Impurity: Atorvastatin - EP Impurity C
  • Chemical Name: (3R,5R)-7-[3-(phenylcarbamoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt
  • Atorvastatin Acetonide impurity

  • Impurity: Atorvastatin Acetonide impurity
  • Chemical Name: 2-((4R,6R)-6-(2-(3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid
  • Atorvastatin Lactone impurity

  • Impurity: Atorvastatin Lactone impurity
  • Chemical Name: 5-(4-Fluorophenyl)-1-{2-[(2R, 4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide
  • ATS-L-1 impurity

  • Impurity: ATS-L-1 impurity
  • Chemical Name: tert-butyl 2-((4R,6R)-6-(2-(3-(phenylcarbamoyl)-2-isopropyl-4,5-diphenyl-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
  • Methyl ester impurity

  • Impurity: Methyl ester impurity
  • Chemical Name: (3R,5R)-methyl 7-(3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate
  • Amide impurity

  • Impurity: Amide impurity
  • Chemical Name: (3R,5R)-7-{(3R,5R)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanamido}-3,5-dihydroxyheptanoic acid calcium salt
  • Atorvastatin Related Compound A

  • Impurity: Atorvastatin Related Compound A
  • Chemical Name: (Desfluoro impurity, or (3R,5R)-7-[3-(phenylcarbamoyl)-2-isopropyl-4,5-diphenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt)
  • Atorvastatin Related Compound B

  • Impurity: Atorvastatin Related Compound B
  • Chemical Name: (3S,5R isomer, or (3S,5R)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt)
  • Atorvastatin Related Compound C

  • Impurity: Atorvastatin Related Compound C
  • Chemical Name: (Difluoro impurity, or (3R,5R)-7-[3-(phenylcarbamoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt)
  • Atorvastatin Related Compound D

  • Impurity: Atorvastatin Related Compound D
  • Chemical Name: (Epoxide impurity, or 3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide)
  • Atorvastatin Related Compound E

  • Impurity: Atorvastatin Related Compound E
  • Chemical Name: (3S, 5S enantiomer of Atorvastatin Calcium)
  • Atorvastatin impurities

  • Impurity: Atorvastatin pyrrolidone analog
  • Chemical Name: (3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-heptanoic acid sodium salt
  • Atorvastatin impurities

  • Impurity: Atorvastatin Cyclic Isopropyl Impurity or Atorvastatin Epoxy Pyrrol
  • Chemical Name: 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl7phenyl8(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt
  • Atorvastatin Epoxy Pyrrolooxazin Tricyclic Analog

  • Impurity: Atorvastatin Impurity
  • Chemical Name: 2,6-(2-Carboxymethyl-3-oxapropano)-7,8-epoxy-8a-(4-fluorophenyl)-6-isopropyl-N,8-diphenylhexahydro-2H -pyrrolo[2,1-b][1,3]oxazine-7-carboxamide
  • Atorvastatin FX1 Impurity

  • Impurity: Atorvastatin Impurity
  • Chemical Name: 1b-(4-Fluorophenyl)hexahydro-β,7-dihydroxy-7-(1-methylethyl)-1a-phenyl-7a-[(phenylamino)carbonyl]-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazine-3-butanoic acid sodium salt
  • Atorvastatin Cyclic Fluorophenyl Impurity

  • Impurity: Atorvastatin Impurity
  • Chemical Name: 1b-(4-Fluorophenyl)hexahydro-β,7-dihydroxy-7-(1-methylethyl)-1a-phenyl-7a-[(phenylamino)carbonyl]-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazine-3-butanoic acid sodium salt
  • Atorvastatin Cyclic 7-Hydroxy Impurity

  • Impurity: Atorvastatin Impurity
  • Chemical Name: 1b-(4-Fluorophenyl)hexahydro-β,7-dihydroxy-7-(1-methylethyl)-1a-phenyl-7a-[(phenylamino)carbonyl]-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazine-3-butanoic acid sodium salt
  • Atorvastatin Cyclic FP impurity

  • Impurity: Atorvastatin Impurity
  • Chemical Name: 1b-(4-Fluorophenyl)hexahydro-β,7-dihydroxy-7-(1-methylethyl)-1a-phenyl-7a-[(phenylamino)carbonyl]-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazine-3-butanoic acid sodium salt
  • Atorvastatin FXA Impurity

  • Impurity: Atorvastatin Impurity
  • Chemical Name: 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt
  • Atorvastatin Cyclic Isopropyl Impurity

  • Impurity: Atorvastatin Cyclic Isopropyl Impurity
  • Chemical Name: 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt
  • Atorvastatin Epoxy Pyrrolooxazin Analog

  • Impurity: Atorvastatin Epoxy Pyrrolooxazin Analog
  • Chemical Name: 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt
  • Atorvastatin Cyclic 6-Hydroxy Impurity

  • Impurity: Atorvastatin Cyclic 6-Hydroxy Impurity
  • Chemical Name: 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt
  • Atorvastatin Lactam

  • Impurity: Atorvastatin Lactam Impurity
  • Chemical Name: (3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-heptanoic acid sodium salt
  • Atorvastatin Pyrrolidone Analog

  • Impurity: Atorvastatin Pyrrolidone Analog impurity
  • Chemical Name: (3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-heptanoic acid sodium salt
  • Atorvastatin Epoxy Pyrrolooxazin Tricyclic Analog impurity

  • Impurity: Atorvastatin Epoxy Pyrrolooxazin Tricyclic Analog impurity
  • Chemical Name: 2,6-(2-Carboxymethyl-3-oxapropano)-7,8-epoxy-8a-(4-fluorophenyl)-6-isopropyl-N,8-diphenylhexahydro-2H -pyrrolo[2,1-b][1,3]oxazine-7-carboxamide
  • Atorvastatin Epoxy Tetrahydrofuran Analog

  • Impurity: Atorvastatin Epoxy Tetrahydrofuran Analog impurity
  • Chemical Name: 4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6-dioxabicyclo [3.1.0]hexane-1-carboxamide
  • Atorvastatin Dihydroxy Epoxy Impurity

  • Impurity: Atorvastatin Dihydroxy Epoxy Impurity
  • Chemical Name: 4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6-dioxabicyclo [3.1.0]hexane-1-carboxamide

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