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    • Atorvastatin EP Impurity B

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    Atorvastatin EP Impurity B

    • CF CAT No :
      CF-A112043
    • CAS No :
      842103-12-2
    • Mol.F. :
      C33H35FN2O5
    • Mol.Wt. :
      558.7
    • Inv. Status :
      Custom synthesis
    • Product Overview

    Chemical Name:(3RS,5SR)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid (as per EP)

    Related Products

    Atorvastatin 5-Oxo Acid (Sodium salt)
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    CF CAT No: CF-A112054

    CAS No: NA

    Mol.F. : C33H33FN2O5 : Na

    Mol.Wt. : 556.6 : 23.0

    Inv. Status : Custom synthesis

    (3R,5R)-Atorvastatin Amide
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    CF CAT No: CF-A112055

    CAS No: 2125501-02-0

    Mol.F. : C33H36FN3O4

    Mol.Wt. : 557.7

    Inv. Status : Custom synthesis

    (3R,5S)-Atorvastatin Calcium salt
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    CF CAT No: CF-A112056

    CAS No: 1312366-79-2

    Mol.F. : C33H35FN2O5 : 1/2(Ca)

    Mol.Wt. : 558.7 : 1/2 (40.1)

    Inv. Status : Custom synthesis

    (3S,5S)-Atorvastatin tert-Butyl Ester
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    CF CAT No: CF-A112057

    CAS No: 1428118-12-0

    Mol.F. : C37H43FN2O5

    Mol.Wt. : 614.8

    Inv. Status : Custom synthesis

    Atorvastatin 2,3-Anhydro Lactone
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    CF CAT No: CF-A112058

    CAS No: 442851-50-5

    Mol.F. : C33H31FN2O3

    Mol.Wt. : 522.6

    Inv. Status : Custom synthesis

    Atorvastatin 2-Hydroxy Lactone
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    CF CAT No: CF-A112059

    CAS No: 163217-74-1

    Mol.F. : C33H33FN205

    Mol.Wt. : 556.6

    Inv. Status : Custom synthesis

    Atorvastatin 3-Oxopropyl Impurity
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    CF CAT No: CF-A112060

    CAS No: 110862-46-9

    Mol.F. : C29H27FN2O2

    Mol.Wt. : 454.5

    Inv. Status : Custom synthesis

    Atorvastatin 4-Hydroxy Lactone
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    CF CAT No: CF-A112061

    CAS No: 163217-70-7

    Mol.F. : C33H33FN2O5

    Mol.Wt. : 556.6

    Inv. Status : Custom synthesis

    Atorvastatin Acetonide Methyl Ester
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    CF CAT No: CF-A112062

    CAS No: 1353049-81-6

    Mol.F. : C37H41FN2O5

    Mol.Wt. : 612.7

    Inv. Status : Custom synthesis

    Atorvastatin Acetonide t-Butyl Ester (4S, 6R)-Isomer
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    CF CAT No: CF-A112063

    CAS No: 1105067-90-0

    Mol.F. : C40H47FN2O5

    Mol.Wt. : 654.8

    Inv. Status : Custom synthesis

    Atorvastatin Acetonide t-Butyl Ester Side Chain (4S,6S)-Isomer
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    CF CAT No: CF-A112064

    CAS No: 196085-85-5

    Mol.F. : C14H23NO4

    Mol.Wt. : 269.3

    Inv. Status : Custom synthesis

    Atorvastatin Calcium Trihydrate
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    CF CAT No: CF-A112001

    CAS No: 344423-98-9

    Mol.F. : C33H34FN2O5 : 1/2(Ca) : 3/2H2O

    Mol.Wt. : 557.6 : 1/2(40.1) : 3/2(18.0)

    Inv. Status : Custom synthesis

    Atorvastatin Diamino Impurity
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    CF CAT No: CF-A112002

    CAS No: 1116118-82-1

    Mol.F. : C50H64FN3O8

    Mol.Wt. : 854.1

    Inv. Status : Custom synthesis

    Atorvastatin Difluoro Impurity
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    CF CAT No: CF-A112003

    CAS No: 693793-82-7

    Mol.F. : C26H23F2NO3

    Mol.Wt. : 435.5

    Inv. Status : Custom synthesis

    Atorvastatin Diketo Amide Desfluoro Impurity
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    CF CAT No: CF-A112004

    CAS No: 444577-70-2

    Mol.F. : C26H25NO3

    Mol.Wt. : 399.5

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity A (Sodium salt)
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    CF CAT No: CF-A112005

    CAS No: 1516864-05-3

    Mol.F. : C33H35N2O5 : Na

    Mol.Wt. : 539.7 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity A Calcium salt
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    CF CAT No: CF-A112006

    CAS No: 433289-83-9

    Mol.F. : C33H35N2O5 : 1/2(Ca)

    Mol.Wt. : 539.7 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity B Calcium salt
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    CF CAT No: CF-A112007

    CAS No: 840528-19-0

    Mol.F. : C33H34FN2O5 : 1/2(Ca)

    Mol.Wt. : 557.6 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity C (Calcium Salt)
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    CF CAT No: CF-A112008

    CAS No: 693793-53-2

    Mol.F. : C33H34F2N2O5 : 1/2(Ca)

    Mol.Wt. : 576.6 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity C Sodium salt
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    CF CAT No: CF-A112009

    CAS No: 1807481-00-0

    Mol.F. : C33H34F2N2O5 : Na

    Mol.Wt. : 576.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity D
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    CF CAT No: CF-A112010

    CAS No: NA

    Mol.F. : C26H22FNO4 : C26H24FNO5

    Mol.Wt. : 431.5 : 449.5

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity D (D1)
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    CF CAT No: CF-A112011

    CAS No: 148146-51-4

    Mol.F. : C26H22FNO4

    Mol.Wt. : 431.5

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity D (D2)
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    CF CAT No: CF-A112012

    CAS No: 873950-19-7

    Mol.F. : C26H24FNO5

    Mol.Wt. : 449.5

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity E (Na salt)
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    CF CAT No: CF-A112013

    CAS No: 1428118-38-0

    Mol.F. : C33H34FN2O5 : Na

    Mol.Wt. : 557.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity E Calcium salt
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    CF CAT No: CF-A112014

    CAS No: 1105067-88-6

    Mol.F. : C33H34FN2O5 : 1/2(Ca)

    Mol.Wt. : 557.6 : 1/2 (40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity F (Calcium Salt)
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    CF CAT No: CF-A112015

    CAS No: 1105067-87-5

    Mol.F. : C40H48FN3O8 : 1/2(Ca)

    Mol.Wt. : 717.8 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity G (Calcium Salt)
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    CF CAT No: CF-A112016

    CAS No: 887196-29-4

    Mol.F. : C34H36FN2O5 : 1/2(Ca)

    Mol.Wt. : 571.7 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity H
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    CF CAT No: CF-A112017

    CAS No: 125995-03-1

    Mol.F. : C33H33FN2O4

    Mol.Wt. : 540.6

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity I
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    CF CAT No: CF-A112018

    CAS No: 125971-95-1

    Mol.F. : C40H47FN2O5

    Mol.Wt. : 654.8

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity J (Calcium salt)
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    CF CAT No: CF-A112019

    CAS No: NA

    Mol.F. : C33H32FN2O4 : 1/2(Ca)

    Mol.Wt. : 539.6 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity K
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    CF CAT No: CF-A112020

    CAS No: 345891-62-5

    Mol.F. : C34H37FN2O5

    Mol.Wt. : 572.7

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity M
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    CF CAT No: CF-A112021

    CAS No: 1146977-93-6

    Mol.F. : C35H39FN2O5

    Mol.Wt. : 586.7

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity N
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    CF CAT No: CF-A112022

    CAS No: 134395-00-9

    Mol.F. : C37H43FN2O5

    Mol.Wt. : 614.7

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity P
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    CF CAT No: CF-A112023

    CAS No: 581772-29-4

    Mol.F. : C36H39FN2O5

    Mol.Wt. : 598.7

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity P (Sodium salt)
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    CF CAT No: CF-A112024

    CAS No: 862260-38-6

    Mol.F. : C36H39FN2O5 : Na

    Mol.Wt. : 598.7 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy Analog (USP)
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    CF CAT No: CF-A112025

    CAS No: 1316291-19-6

    Mol.F. : C33H34FN2O7 : Na

    Mol.Wt. : 589.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy Analog Sodium salt (USP)
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    CF CAT No: CF-A112026

    CAS No: 1315629-79-8

    Mol.F. : C33H34FN2O7 : Na

    Mol.Wt. : 589.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 10
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    CF CAT No: CF-A112027

    CAS No: 2588261-36-1

    Mol.F. : C37H44N2O5

    Mol.Wt. : 596.8

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 11
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    CF CAT No: CF-A112028

    CAS No: 616201-27-5

    Mol.F. : C38H43FN2O5

    Mol.Wt. : 626.8

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 14
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    CF CAT No: CF-A112029

    CAS No: 1403667-07-1

    Mol.F. : C14H9Cl2FO

    Mol.Wt. : 283.1

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 17
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    CF CAT No: CF-A112030

    CAS No: 666714-64-3

    Mol.F. : C26H23FN2O

    Mol.Wt. : 398.5

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 34
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    CF CAT No: CF-A112031

    CAS No: 1817798-20-1

    Mol.F. : C26H24FNO3

    Mol.Wt. : 417.5

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 41
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    CF CAT No: CF-A112032

    CAS No: 125971-57-5

    Mol.F. : C19H19NO2

    Mol.Wt. : 293.4

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 42
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    CF CAT No: CF-A112033

    CAS No: 54016-70-5

    Mol.F. : C8H14NOS : Br

    Mol.Wt. : 172.3 : 79.9

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 45
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    CF CAT No: CF-A112034

    CAS No: NA

    Mol.F. : C33H31FN2O3

    Mol.Wt. : 522.6

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 50
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    CF CAT No: CF-A112035

    CAS No: 2588261-40-7

    Mol.F. : C37H42F2N2O5

    Mol.Wt. : 632.7

    Inv. Status : Custom synthesis

    Atorvastatin Pyrrolidone Analog Sodium salt (USP)
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    CF CAT No: CF-A112036

    CAS No: 148217-40-7

    Mol.F. : C33H34FN2O6 : Na

    Mol.Wt. : 573.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin Pyrrolidone Lactone (USP)
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    CF CAT No: CF-A112037

    CAS No: 906552-19-0

    Mol.F. : C33H33FN2O5

    Mol.Wt. : 556.6

    Inv. Status : Custom synthesis

    Atorvastatin Pyrrolidone Phenanthrene Lactone
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    CF CAT No: CF-A112038

    CAS No: 1795791-15-9

    Mol.F. : C33H31FN2O5

    Mol.Wt. : 554.6

    Inv. Status : Custom synthesis

    Atorvastatin USP Related Compound B (Calcium)
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    CF CAT No: CF-A112039

    CAS No: 887196-25-0

    Mol.F. : C33H34FN2O5 : 1/2(Ca)

    Mol.Wt. : 557.6 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Defluoro Atorvastatin Acetonide tert-Butyl Ester
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    CF CAT No: CF-A112040

    CAS No: 1105067-91-1

    Mol.F. : C40H48N2O5

    Mol.Wt. : 636.8

    Inv. Status : Custom synthesis

    2-Chloro-1-(4-fluorophenyl)-2-Phenylethanone
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    CF CAT No: CF-A112041

    CAS No: 62148-67-8

    Mol.F. : C14H10ClFO

    Mol.Wt. : 248.7

    Inv. Status : Custom synthesis

    Atorvastatin 2,3,4,5-Dianhydro Acid
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    CF CAT No: CF-A112042

    CAS No: 2588261-49-6

    Mol.F. : C33H31FN2O3

    Mol.Wt. : 522.6

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity B
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    CF CAT No: CF-A112043

    CAS No: 842103-12-2

    Mol.F. : C33H35FN2O5

    Mol.Wt. : 558.7

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity F Sodium salt
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    CF CAT No: CF-A112044

    CAS No: 1371615-56-3

    Mol.F. : C40H47FN3O8 : Na

    Mol.Wt. : 716.8 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity O Sodium salt
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    CF CAT No: CF-A112045

    CAS No: NA

    Mol.F. : C33H32FN2O5 : Na

    Mol.Wt. : 555.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin Impurity 35
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    CF CAT No: CF-A112046

    CAS No: NA

    Mol.F. : C27H29FNO6 : 1/2(Ca)

    Mol.Wt. : 482.5 : 1/2(40.1)

    Inv. Status : Custom synthesis

    Atorvastatin USP Related Compound B Sodium salt
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    CF CAT No: CF-A112047

    CAS No: NA

    Mol.F. : C33H35FN2O5 : Na

    Mol.Wt. : 558.6 : 23.0

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity J
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    CF CAT No: CF-A112048

    CAS No: 1105067-93-3

    Mol.F. : C33H33FN2O4

    Mol.Wt. : 540.6

    Inv. Status : Custom synthesis

    (3R,5S)-Atorvastatin
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    CF CAT No: CF-A112049

    CAS No: 651770-09-1

    Mol.F. : C33H35FN2O5

    Mol.Wt. : 558.7

    Inv. Status : Custom synthesis

    Atorvastatin Acetonide t-Butyl Ester Side Chain (4S,6R)-Isomer
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    CF CAT No: CF-A112050

    CAS No: 186508-95-2

    Mol.F. : C14H23NO4

    Mol.Wt. : 269.3

    Inv. Status : Custom synthesis

    rac-3-Oxo Atorvastatin Calcium Salt
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    CF CAT No: CF-A112051

    CAS No: NA

    Mol.F. : C33H32FN2O5 : 1/2(Ca)

    Mol.Wt. : 555.6 : 40.1

    Inv. Status : Custom synthesis

    Atorvastatin Acyl-beta-D-Glucuronide
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    CF CAT No: CF-A112052

    CAS No: 463962-58-5

    Mol.F. : C39H43FN2O11

    Mol.Wt. : 734.8

    Inv. Status : Custom synthesis

    Atorvastatin EP Impurity G
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    CF CAT No: CF-A112053

    CAS No: 887324-53-0

    Mol.F. : C34H37FN2O5

    Mol.Wt. : 572.7

    Inv. Status : Custom synthesis

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