vardenafil and its Impurities

Vardenafil is used to treat erectile dysfunction in men. It is an oral therapy for the treatment of erectile dysfunction. It is sold under the trade names Levitra, Staxyn, and Vivanza.Reference standards of Vardenafil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 45 results for vardenafil Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 22 14000

Vardenafil

Vardenafil

  • Catalogue No.:PA 22 14000

  • CAS :

    224785-90-4

  • Molecular Formula : C23H32N6O4S

  • Molecular Weight : 488.60

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14510

Hydroxythiovardenafil

Hydroxythiovardenafil

  • Catalogue No.:PA 22 14510

  • CAS :

    912576-30-8

  • Molecular Formula : C23H32N6O4S2

  • Molecular Weight : 520.67

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14520

N-Desethyl Vardenafil

N-Desethyl Vardenafil

  • Catalogue No.:PA 22 14520

  • CAS :

    448184-46-1

  • Molecular Formula : C21H28N6O4S

  • Molecular Weight : 460.55

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14530

4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzene-sulfonyl Chloride

4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzene-sulfonyl Chloride

  • Catalogue No.:PA 22 14530

  • CAS :

    224789-26-8

  • Molecular Formula : C17H19ClN4O4S

  • Molecular Weight : 410.88

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14540

Vardenafil - Impurity B

Vardenafil Sulfonic Acid Impurity

  • Catalogue No.:PA 22 14540

  • CAS :

    437717-43-6

  • Molecular Formula : C17H20N4O5S

  • Molecular Weight : 392.43

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14550

Vardenafil - Impurity A

7-Despropyl 7-Methyl Vardenafil

  • Catalogue No.:PA 22 14550

  • CAS :

    2169247-39-4

  • Molecular Formula : C21H28N6O4S

  • Molecular Weight : 460.55

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14560

Vardenafil - Impurity C

Vardenafil Dimer

  • Catalogue No.:PA 22 14560

  • CAS :

    1255919-03-9

  • Molecular Formula : C38H46N10O8S2

  • Molecular Weight : 834.96

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14570

Vardenafil Isomer

Vardenafil Isomer

  • Catalogue No.:PA 22 14570

  • CAS :

    NA

  • Molecular Formula : C23H32N6O4S

  • Molecular Weight : 488.6

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14580

N'-amino-2-ethoxybenzenecarboximidamide

N'-amino-2-ethoxybenzenecarboximidamide

  • Catalogue No.:PA 22 14580

  • CAS :

    NA

  • Molecular Formula : C9H13N3O

  • Molecular Weight : 179.22

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14590

Vardenafil Dessulfonyl Impurity

Vardenafil Dessulfonyl Impurity

  • Catalogue No.:PA 22 14590

  • CAS :

    224789-21-3

  • Molecular Formula : C17H20N4O2

  • Molecular Weight : 312.37

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14600

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide

  • Catalogue No.:PA 22 14600

  • CAS :

    NA

  • Molecular Formula : C22H33ClN6O3S

  • Molecular Weight : 497.05

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14610

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxybenzimidamide

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxybenzimidamide

  • Catalogue No.:PA 22 14610

  • CAS :

    NA

  • Molecular Formula : C16H21ClN4O

  • Molecular Weight : 320.82

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14650

Vardenafil N-Oxide

Vardenafil N-Oxide

  • Catalogue No.:PA 22 14650

  • CAS :

    448184-48-3

  • Molecular Formula : C23H32N6O5S

  • Molecular Weight : 504.61

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Drug Reference Standards & Impurity Synthesis in India
PA STI 027590

N-Desethyl Vardenafil-d8

N-Desethyl Vardenafil-d8

  • Catalogue No.:PA STI 027590

  • CAS :

    1184985-26-9

  • Molecular Formula : C21H20D8N6O4S

  • Molecular Weight : 468.60

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Drug Reference Standards & Impurity Synthesis in India
PA STI 051800

Hydroxythiovardenafil-d8

Hydroxythiovardenafil-d8

  • Catalogue No.:PA STI 051800

  • CAS :

    NA

  • Molecular Formula : C23H24D8N6O4S2

  • Molecular Weight : 528.72

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Drug Reference Standards & Impurity Synthesis in India
PA STI 052100

Hydroxy Vardenafil-d8

Hydroxy Vardenafil-d8

  • Catalogue No.:PA STI 052100

  • CAS :

    1329612-34-1

  • Molecular Formula : C23H24D8N6O5S

  • Molecular Weight : 512.65

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Drug Reference Standards & Impurity Synthesis in India
PA STI 082910

Thiovardenafil-d5

Thiovardenafil-d5

  • Catalogue No.:PA STI 082910

  • CAS :

    NA

  • Molecular Formula : C23H27D5N6O3S2

  • Molecular Weight : 509.70

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Drug Reference Standards & Impurity Synthesis in India
PA STI 086700

Vardenafil-d5

Vardenafil-d5

  • Catalogue No.:PA STI 086700

  • CAS :

    1189685-70-8

  • Molecular Formula : C23H27D5N6O4S

  • Molecular Weight : 493.63

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Drug Reference Standards & Impurity Synthesis in India
PA STI 086710

Vardenafil Acetyl-d5 Analogue

Vardenafil Acetyl-d5 Analogue

  • Catalogue No.:PA STI 086710

  • CAS :

    1330171-51-1

  • Molecular Formula : C25H29D5N6O3

  • Molecular Weight : 471.61

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Drug Reference Standards & Impurity Synthesis in India
PA STI 086720

Vardenafil Oxopiperazine-D6 (Impurity)

Vardenafil Oxopiperazine-D6 (Impurity)

  • Catalogue No.:PA STI 086720

  • CAS :

    NA

  • Molecular Formula : C21H20D6N6O5S

  • Molecular Weight : 480.57

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14660

Ethyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate

Ethyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate

  • Catalogue No.:PA 22 14660

  • CAS :

    1417529-67-9

  • Molecular Formula : C17H18N4O4

  • Molecular Weight : 342.36

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14670

2-Ethoxybenzimidohydrazide

2-Ethoxybenzimidohydrazide

  • Catalogue No.:PA 22 14670

  • CAS :

    889943-46-8

  • Molecular Formula : C9H13N3O

  • Molecular Weight : 179.22

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001647

Vardenafil hydrochloride (Y0001647)

Vardenafil hydrochloride (Y0001647)

  • Catalogue No.:PA EPY0001647

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001648

Vardenafil for system suitability (Y0001648)

Vardenafil for system suitability (Y0001648)

  • Catalogue No.:PA EPY0001648

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1711010

Vardenafil Hydrochloride (1711010)

Vardenafil Hydrochloride (1711010)

  • Catalogue No.:PA USP1711010

  • CAS :

    330808-88-3

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1711029

Vardenafil System Suitability (1711029)

Vardenafil System Suitability (1711029)

  • Catalogue No.:PA USP1711029

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14680

Vardenafil Dihydrochloride Salt

Vardenafil Dihydrochloride Salt

  • Catalogue No.:PA 22 14680

  • CAS :

    224789-15-5

  • Molecular Formula : C23H34Cl2N6O4S

  • Molecular Weight : 561.52

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14690

Vardenafil Acetyl Analogue

Vardenafil Acetyl Analogue

  • Catalogue No.:PA 22 14690

  • CAS :

    1261351-28-3

  • Molecular Formula : C25H34N6O3

  • Molecular Weight : 466.58

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14700

Vardenafil Oxopiperazine (Impurity)

Vardenafil Oxopiperazine (Impurity)

  • Catalogue No.:PA 22 14700

  • CAS :

    448184-58-5

  • Molecular Formula : C21H26N6O5S

  • Molecular Weight : 474.53

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141000

(E)-N'-Benzylidene-2-ethoxybenzimidohydrazide

(E)-N'-Benzylidene-2-ethoxybenzimidohydrazide

  • Catalogue No.:PA 22 0141000

  • CAS :

    NA

  • Molecular Formula : C16H17N3O

  • Molecular Weight : 267.33

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141001

Methyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate

Methyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate

  • Catalogue No.:PA 22 0141001

  • CAS :

    NA

  • Molecular Formula : C16H16N4O4

  • Molecular Weight : 328.33

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141002

Vardenafil System Suitability

Vardenafil System Suitability

  • Catalogue No.:PA 22 0141002

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141003

Pseudovardenafil

Pseudovardenafil

  • Catalogue No.:PA 22 0141003

  • CAS :

    224788-34-5

  • Molecular Formula : C22H29N5O4S

  • Molecular Weight : 459.57

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141004

Piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl- (9CI)2-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

Piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl- (9CI)2-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

  • Catalogue No.:PA 22 0141004

  • CAS :

    224785-87-9

  • Molecular Formula : C22H30N6O4S

  • Molecular Weight : 474.58

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089030

Vardenafil D5 Hydrochloride

Vardenafil D5 Hydrochloride

  • Catalogue No.:PA STI 089030

  • CAS :

    NA

  • Molecular Formula : C23H28D5ClN6O4S

  • Molecular Weight : 530.1

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14010

2-Ethoxybenzimidamide Hydrochloride

2-Ethoxybenzimidamide Hydrochloride

  • Catalogue No.:PA 22 14010

  • CAS :

    18637-00-8

  • Molecular Formula : C9H13ClN2O

  • Molecular Weight : 200.67

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Drug Reference Standards & Impurity Synthesis in India
PA 22 14020

2-Ethoxy-N-hydroxybenzimidamide

2-Ethoxy-N-hydroxybenzimidamide

  • Catalogue No.:PA 22 14020

  • CAS :

    879-57-2

  • Molecular Formula : C9H12N2O2

  • Molecular Weight : 180.21

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141005

2-(2-Ethoxyphenyl)-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

2-(2-Ethoxyphenyl)-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

  • Catalogue No.:PA 22 0141005

  • CAS :

    NA

  • Molecular Formula : C16H18N4O2

  • Molecular Weight : 298.35

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141006

 2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidohydrazide

2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidohydrazide

  • Catalogue No.:PA 22 0141006

  • CAS :

    1169861-36-2

  • Molecular Formula : C15H25N5O3S

  • Molecular Weight : 355.46

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141007

2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-1-nitroso-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-1-nitroso-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

  • Catalogue No.:PA 22 0141007

  • CAS :

    NA

  • Molecular Formula : C23H31N7O5S

  • Molecular Weight : 517.61

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141008

O-Desethyl Vardenafil

O-Desethyl Vardenafil

  • Catalogue No.:PA 22 0141008

  • CAS :

    2411340-39-9

  • Molecular Formula : C21H28N6O4S

  • Molecular Weight : 460.55

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141009

Ethyl 2-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,4-dihydro-5-methyl-4-oxoimidazo[5,1-f][1,2,4]triazine-7-carboxylate

Ethyl 2-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,4-dihydro-5-methyl-4-oxoimidazo[5,1-f][1,2,4]triazine-7-carboxylate

  • Catalogue No.:PA 22 0141009

  • CAS :

    1417529-69-1

  • Molecular Formula : C23H30N6O6S

  • Molecular Weight : 518.59

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141010

Hydroxyvardenafil

Hydroxyvardenafil

  • Catalogue No.:PA 22 0141010

  • CAS :

    224785-98-2

  • Molecular Formula : C23H32N6O5S

  • Molecular Weight : 504.61

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141011

Norneovardenafil

Norneovardenafil

  • Catalogue No.:PA 22 0141011

  • CAS :

    358390-39-3

  • Molecular Formula : C18H20N4O4

  • Molecular Weight : 356.38

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Drug Reference Standards & Impurity Synthesis in India
PA 22 0141012

2-(2-Ethoxy-5-((4-nitrosopiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

2-(2-Ethoxy-5-((4-nitrosopiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

  • Catalogue No.:PA 22 0141012

  • CAS :

    NA

  • Molecular Formula : C21H27N7O5S

  • Molecular Weight : 489.55

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