letermovir and its Impurities

Letermovir is an antiviral drug for the treatment of cytomegalovirus infections. Letermovir is an antiviral drug. Reference standards of Letermovir API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 27 results for letermovir Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 39 07000

Letermovir

Letermovir

  • Catalogue No.:PA 39 07000

  • CAS :

    917389-32-3

  • Molecular Formula : C29H28F4N4O4

  • Molecular Weight : 572.55

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089001

Letermovir-d6

Letermovir-d6

  • Catalogue No.:PA STI 089001

  • CAS :

    NA

  • Molecular Formula : C29H22D6F4N4O4

  • Molecular Weight : 578.6

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Drug Reference Standards & Impurity Synthesis in India
PA STI 088997

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-(methoxy-d3)phenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-(methoxy-d3)phenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid

  • Catalogue No.:PA STI 088997

  • CAS :

    NA

  • Molecular Formula : C29H25D3F4N4O4

  • Molecular Weight : 575.58

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Drug Reference Standards & Impurity Synthesis in India
PA STI 088998

Letermovir - D8

Letermovir - D8

  • Catalogue No.:PA STI 088998

  • CAS :

    1961287-35-3

  • Molecular Formula : C29H20D8F4N4O4

  • Molecular Weight : 580.61

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071000

(R)-Letermovir Ethyl Ester

(R)-Letermovir Ethyl Ester

  • Catalogue No.:PA 39 0071000

  • CAS :

    2864441-55-2

  • Molecular Formula : C31H32F4N4O4

  • Molecular Weight : 600.61

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071001

Ethyl (E)-3-(4-fluoro-2-(3-(2-methoxy-5-(trifluoromethyl)phenyl)ureido)phenyl)acrylate

Ethyl (E)-3-(4-fluoro-2-(3-(2-methoxy-5-(trifluoromethyl)phenyl)ureido)phenyl)acrylate

  • Catalogue No.:PA 39 0071001

  • CAS :

    NA

  • Molecular Formula : C20H18F4N2O4

  • Molecular Weight : 426.37

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071002

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(N-(2-(N-(3-methoxyphenyl)formamido)ethyl)formamido)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(N-(2-(N-(3-methoxyphenyl)formamido)ethyl)formamido)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071002

  • CAS :

    2994645-03-1

  • Molecular Formula : C29H26F4N4O6

  • Molecular Weight : 602.54

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071003

Ethyl (E)-3-(2-((E)-N'-(2-((E)-3-ethoxy-3-oxoprop-1-en-1-yl)-6-fluorophenyl)-4-(3-methoxyphenyl)piperazine-1-carboximidamido)-3-fluorophenyl)acrylate

Ethyl (E)-3-(2-((E)-N'-(2-((E)-3-ethoxy-3-oxoprop-1-en-1-yl)-6-fluorophenyl)-4-(3-methoxyphenyl)piperazine-1-carboximidamido)-3-fluorophenyl)acrylate

  • Catalogue No.:PA 39 0071003

  • CAS :

    NA

  • Molecular Formula : C34H36F2N4O5

  • Molecular Weight : 618.68

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071004

Diethyl 3,3'-((carbonylbis(azanediyl))bis(3-fluoro-2,1-phenylene))(2E,2'E)-diacrylate

Diethyl 3,3'-((carbonylbis(azanediyl))bis(3-fluoro-2,1-phenylene))(2E,2'E)-diacrylate

  • Catalogue No.:PA 39 0071004

  • CAS :

    NA

  • Molecular Formula : C23H22F2N2O5

  • Molecular Weight : 444.43

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071005

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)-3,4-dihydropyrazin-1(2H)-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)-3,4-dihydropyrazin-1(2H)-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071005

  • CAS :

    2991299-71-7

  • Molecular Formula : C29H26F4N4O4

  • Molecular Weight : 570.54

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071006

2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071006

  • CAS :

    2991059-70-0

  • Molecular Formula : C22H22F4N4O3

  • Molecular Weight : 466.44

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071007

2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-oxo-1,2,3,4-tetrahydroquinazolin-4-yl)acetic Acid

2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-oxo-1,2,3,4-tetrahydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071007

  • CAS :

    2991059-69-7

  • Molecular Formula : C18H14F4N2O4

  • Molecular Weight : 398.31

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071008

(S)-2-(8-Fluoro-3-(2-hydroxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(8-Fluoro-3-(2-hydroxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071008

  • CAS :

    NA

  • Molecular Formula : C28H26F4N4O4

  • Molecular Weight : 558.53

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071009

Methyl (S)-2-(8-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetate

Methyl (S)-2-(8-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetate

  • Catalogue No.:PA 39 0071009

  • CAS :

    917389-29-8

  • Molecular Formula : C30H30F4N4O4

  • Molecular Weight : 586.59

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071010

Letermovir N1-Oxide

Letermovir N1-Oxide

  • Catalogue No.:PA 39 0071010

  • CAS :

    2991059-71-1

  • Molecular Formula : C29H28F4N4O5

  • Molecular Weight : 588.56

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071011

Letermovir Ethyl Ester

Letermovir Ethyl Ester

  • Catalogue No.:PA 39 0071011

  • CAS :

    2758792-79-7

  • Molecular Formula : C31H32F4N4O4

  • Molecular Weight : 600.61

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071012

(R)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(R)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071012

  • CAS :

    917389-37-8

  • Molecular Formula : C29H28F4N4O4

  • Molecular Weight : 572.56

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071013

(S)-2-(3-(2-Methoxy-5-(trifluoromethyl)phenyl)-2,8-bis(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(3-(2-Methoxy-5-(trifluoromethyl)phenyl)-2,8-bis(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071013

  • CAS :

    NA

  • Molecular Formula : C40H43F3N6O5

  • Molecular Weight : 744.82

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071014

(S)-2-(5-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(5-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071014

  • CAS :

    NA

  • Molecular Formula : C29H28F4N4O4

  • Molecular Weight : 572.56

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071015

(S)-2-(6-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(6-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071015

  • CAS :

    NA

  • Molecular Formula : C29H28F4N4O4

  • Molecular Weight : 572.56

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071016

(S)-2-(7-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(7-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071016

  • CAS :

    NA

  • Molecular Formula : C29H28F4N4O4

  • Molecular Weight : 572.56

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071017

(S)-2-(8-Fluoro-2-(4-(3-hydroxyphenyl)piperazin-1-yl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(8-Fluoro-2-(4-(3-hydroxyphenyl)piperazin-1-yl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071017

  • CAS :

    NA

  • Molecular Formula : C28H26F4N4O4

  • Molecular Weight : 558.53

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071018

1-(3-Methoxyphenyl)piperazin-2-one

1-(3-Methoxyphenyl)piperazin-2-one

  • Catalogue No.:PA 39 0071018

  • CAS :

    215649-80-2

  • Molecular Formula : C11H14N2O2

  • Molecular Weight : 206.25

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071019

(S)-2-(8-Fluoro-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3-nitroso-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(8-Fluoro-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3-nitroso-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071019

  • CAS :

    NA

  • Molecular Formula : C21H22FN5O4

  • Molecular Weight : 427.44

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071020

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-nitrosopiperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-nitrosopiperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic Acid

  • Catalogue No.:PA 39 0071020

  • CAS :

    NA

  • Molecular Formula : C22H21F4N5O4

  • Molecular Weight : 495.43

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089984

Rac Letermovir D8

Rac Letermovir D8

  • Catalogue No.:PA STI 089984

  • CAS :

    NA

  • Molecular Formula : C29H20D8F4N4O4

  • Molecular Weight : 580.61

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Drug Reference Standards & Impurity Synthesis in India
PA 39 0071021

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid

  • Catalogue No.:PA 39 0071021

  • CAS :

    NA

  • Molecular Formula : C22H22F4N4O3

  • Molecular Weight : 466.44

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