Atorvastatin Impurities

  • Atorvastatin - EP Impurity B

  • Impurity: Atorvastatin - EP Impurity B
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • Chemical Name: 3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide

  • Atorvastatin-2-hydroxy impurity

  • Impurity: Atorvastatin-2-hydroxy impurity
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • Chemical Name: Atorvastatin-5-Oxo-impurity

  • Atorvastatin - EP Impurity A

  • Impurity: Atorvastatin - EP Impurity A
  • CAS No: N/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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • Chemical Name: (3S, 5S enantiomer of Atorvastatin Calcium)

  • Atorvastatin impurities

  • Impurity: Atorvastatin pyrrolidone analog
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • 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
  • CAS No: N/A
  • Chemical Name: 4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6-dioxabicyclo [3.1.0]hexane-1-carboxamide

  • Atorvastatin Impurities

  • Impurity: ATORVASTATIN 3-DEOXY-HEPT-2-ENOIC ACID IMPURITY
  • CAS No: 1105067-93-3
  • Chemical Name: (S)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H- pyrrol-1-yl]-5-hydroxyhept-2-enoic acid(2,3-Anhydro Atorvastatin Sodium)

  • Atorvastatin Impurities

  • Impurity: Atorvastatin Epoxy Tetrahydrofuran Analog
  • CAS No: 873950-19-7
  • 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 ; (Atorvastatin Photo Degradation Product - ATV-FXA2)

  • Atorvastatin Impurities

  • Impurity: Atorvastatin Diepoxide Lactone
  • CAS No: 1046118-40-4
  • Chemical Name: 4-(4-Fluorophenyl)-6-(1-methylethyl)-N,2-diphenyl-5-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-3,7-dioxa-5-azatricyclo[4.1.0.02,4] heptane-1-carboxamide

  • Atorvastatin Impurities

  • Impurity: Atorvastatin pyrrolidone lactone
  • CAS No: 906552-19-0
  • Chemical Name: 5-(4-Fluorophenyl)-1-{2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-3-isopropyl-2-oxo-N,4-diphenyl-2,3-dihydro-1H-pyrrole-3-carboxamide

  • Atorvastatin Impurities

  • Impurity: Atorvastatin FXA Impurity
  • CAS No: 1316291-19-6
  • 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 ; Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy Analog (USP) ; Atorvastatin Cyclic 6-Hydroxy Impurity

  • Atorvastatin Impurity

  • Impurity: Atorvastatin FX1 Impurity
  • CAS No: 1315629-79-8
  • Chemical Name: Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy Analog (USP) ; Atorvastatin Degradation Product - ATV-FX1 ; Atorvastatin Cyclic Fluorophenyl Impurity ; Atorvastatin Cyclic 7-Hydroxy Impurity ; 1b-(4-Fluorophenyl)hexahydro-ß,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 ; (3R)-4-(1b-(4-Fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a-(phenyl carbamoyl) hexahydro-1aH-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoic acid sodium salt