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Pharmaceutical Reference Standards

Vardenafili Hydrochloridum Trihydricum

Picture of Vardenafili Hydrochloridum Trihydricum
CAT No: SZ-V006000
CAS No: 330808-88-3
Mol.F. : C23H32N6O4S : HCl : 3H2O
Mol.Wt. : 488.6 : 36.5 : 3(18.0)
Inv. Status: Custom Synthesis
Rel. CAS No : 224785-90-4 (free base)
SZ-V006000
CAS No:330808-88-3
Mol.F.: C23H32N6O4S : HCl : 3H2O
Mol.Wt.: 488.6 : 36.5 : 3(18.0)
Inv. Status: Custom Synthesis
Rel. CAS No : 224785-90-4 (free base)

Vardenafil Dihydrochloride

Picture of Vardenafil Dihydrochloride
CAT No: SZ-V006001
CAS No: 224789-15-5
Mol.F. : C23H32N6O4S : 2(HCl)
Mol.Wt. : 488.6 : 2(36.5)
Inv. Status: Custom Synthesis
Rel. CAS No : 224785-90-4 (free base)
SZ-V006001
CAS No:224789-15-5
Mol.F.: C23H32N6O4S : 2(HCl)
Mol.Wt.: 488.6 : 2(36.5)
Inv. Status: Custom Synthesis
Rel. CAS No : 224785-90-4 (free base)

Vardenafil Carboxylic Acid Impurity

Picture of Vardenafil Carboxylic Acid Impurity
CAT No: SZ-V006002
CAS No: 358390-39-3
Mol.F. : C18H20N4O4
Mol.Wt. : 356.4
Inv. Status: Custom Synthesis
SZ-V006002
CAS No:358390-39-3
Mol.F.: C18H20N4O4
Mol.Wt.: 356.4
Inv. Status: Custom Synthesis

Vardenafil Chlorosulfone Impurity

Picture of Vardenafil Chlorosulfone Impurity
CAT No: SZ-V006003
CAS No: 224789-26-8
Mol.F. : C17H19CIN4O4S
Mol.Wt. : 410.9
Inv. Status: Custom Synthesis
SZ-V006003
CAS No:224789-26-8
Mol.F.: C17H19CIN4O4S
Mol.Wt.: 410.9
Inv. Status: Custom Synthesis

Vardenafil EP Impurity B

Picture of Vardenafil EP Impurity B
CAT No: SZ-V006004
CAS No: 437717-43-6
Mol.F. : C17H20N4O5S
Mol.Wt. : 392.4
Inv. Status: In Stock
SZ-V006004
CAS No:437717-43-6
Mol.F.: C17H20N4O5S
Mol.Wt.: 392.4
Inv. Status: In Stock

Vardenafil Dessulfonyl Impurity

Picture of Vardenafil Dessulfonyl Impurity
CAT No: SZ-V006005
CAS No: 224789-21-3
Mol.F. : C17H20N4O2
Mol.Wt. : 312.4
Inv. Status: In Stock
SZ-V006005
CAS No:224789-21-3
Mol.F.: C17H20N4O2
Mol.Wt.: 312.4
Inv. Status: In Stock

Vardenafil Hydroxy Impurity

Picture of Vardenafil Hydroxy Impurity
CAT No: SZ-V006007
CAS No: 224785-98-2
Mol.F. : C23H32N6O5S
Mol.Wt. : 504.6
Inv. Status: Custom Synthesis
SZ-V006007
CAS No:224785-98-2
Mol.F.: C23H32N6O5S
Mol.Wt.: 504.6
Inv. Status: Custom Synthesis

Vardenafil Hydroxy Thione Impurity

Picture of Vardenafil Hydroxy Thione Impurity
CAT No: SZ-V006008
CAS No: 912576-30-8
Mol.F. : C23H32N6O4S2
Mol.Wt. : 520.7
Inv. Status: Custom Synthesis
SZ-V006008
CAS No:912576-30-8
Mol.F.: C23H32N6O4S2
Mol.Wt.: 520.7
Inv. Status: Custom Synthesis

Vardenafil N-Desethyl Impurity

Picture of Vardenafil N-Desethyl Impurity
CAT No: SZ-V006009
CAS No: 448184-46-1
Mol.F. : C21H28N6O4S
Mol.Wt. : 460.6
Inv. Status: In Stock
SZ-V006009
CAS No:448184-46-1
Mol.F.: C21H28N6O4S
Mol.Wt.: 460.6
Inv. Status: In Stock

Vardenafil EP Impurity C

Picture of Vardenafil EP Impurity C
CAT No: SZ-V006010
CAS No: 1255919-03-9
Mol.F. : C38H46N10O8S2
Mol.Wt. : 834.9
Inv. Status: In Stock
SZ-V006010
CAS No:1255919-03-9
Mol.F.: C38H46N10O8S2
Mol.Wt.: 834.9
Inv. Status: In Stock

Pseudo Vardenafil

Picture of Pseudo Vardenafil
CAT No: SZ-V006011
CAS No: 224788-34-5
Mol.F. : C22H29N5O4S
Mol.Wt. : 459.6
Inv. Status: In Stock
SZ-V006011
CAS No:224788-34-5
Mol.F.: C22H29N5O4S 
Mol.Wt.: 459.6
Inv. Status: In Stock

Vardenafil HCl

Picture of Vardenafil HCl
CAT No: SZ-V006012
CAS No: 224785-91-5
Mol.F. : C23H32N6O4S : HCl
Mol.Wt. : 488.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 224785-90-4 (free base)
SZ-V006012
CAS No:224785-91-5
Mol.F.: C23H32N6O4S : HCl
Mol.Wt.: 488.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 224785-90-4 (free base)

Vardenafil Benzoyl Impurity

Picture of Vardenafil Benzoyl Impurity
CAT No: SZ-V006013
CAS No: 1255919-01-7
Mol.F. : C26H30N6O4S
Mol.Wt. : 522.6
Inv. Status: Custom Synthesis
SZ-V006013
CAS No:1255919-01-7
Mol.F.: C26H30N6O4S 
Mol.Wt.: 522.6
Inv. Status: Custom Synthesis

Acetyl Vardenafil

Picture of Acetyl Vardenafil
CAT No: SZ-V006014
CAS No: 1261351-28-3
Mol.F. : C25H34N6O3
Mol.Wt. : 466.6
Inv. Status: Custom Synthesis
SZ-V006014
CAS No:1261351-28-3
Mol.F.: C25H34N6O3 
Mol.Wt.:  466.6
Inv. Status: Custom Synthesis

Vardenafil Impurity (2-Ethoxy Benzamidine Hydrochloride)

Picture of Vardenafil Impurity (2-Ethoxy Benzamidine Hydrochloride)
CAT No: SZ-V006016
CAS No: 18637-00-8
Mol.F. : C9H12N2O : HCl
Mol.Wt. : 164.2 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 53623-81-7 (free base)
SZ-V006016
CAS No:18637-00-8
Mol.F.: C9H12N2O : HCl 
Mol.Wt.: 164.2 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 53623-81-7 (free base)

Vardenafil Oxopiperazine

Picture of Vardenafil Oxopiperazine
CAT No: SZ-V006017
CAS No: 448184-58-5
Mol.F. : C21H26N6O5S
Mol.Wt. : 474.5
Inv. Status: Custom Synthesis
SZ-V006017
CAS No:448184-58-5
Mol.F.: C21H26N6O5S
Mol.Wt.: 474.5
Inv. Status: Custom Synthesis

Vardenafil Acetyl Analogue

Picture of Vardenafil Acetyl Analogue
CAT No: SZ-V006018
CAS No: NA
Mol.F. : C24H31N5O3
Mol.Wt. : 437.6
Inv. Status: Custom Synthesis
SZ-V006018
CAS No:NA
Mol.F.: C24H31N5O3 
Mol.Wt.: 437.6
Inv. Status: Custom Synthesis

Vardenafil N-Oxide

Picture of Vardenafil N-Oxide
CAT No: SZ-V006019
CAS No: 448184-48-3
Mol.F. : C23H32N6O5S
Mol.Wt. : 504.6
Inv. Status: In Stock
SZ-V006019
CAS No:448184-48-3
Mol.F.: C23H32N6O5S 
Mol.Wt.: 504.6
Inv. Status: In Stock

N-Desethyl-N-Methyl Vardenafil

Picture of N-Desethyl-N-Methyl Vardenafil
CAT No: SZ-V006020
CAS No: 224785-87-9
Mol.F. : C22H30N6O4S
Mol.Wt. : 474.6
Inv. Status: In Stock
SZ-V006020
CAS No:224785-87-9
Mol.F.: C22H30N6O4S 
Mol.Wt.: 474.6
Inv. Status: In Stock

O-Desethyl Vardenafil

Picture of O-Desethyl Vardenafil
CAT No: SZ-V006021
CAS No: 2411340-39-9
Mol.F. : C21H28N6O4S
Mol.Wt. : 460.6
Inv. Status: Custom Synthesis
SZ-V006021
CAS No:2411340-39-9
Mol.F.: C21H28N6O4S
Mol.Wt.: 460.6
Inv. Status: Custom Synthesis

Vardenafil Impurity 1

Picture of Vardenafil Impurity 1
CAT No: SZ-V006022
CAS No: 1417529-67-9
Mol.F. : C17H18N4O4
Mol.Wt. : 342.4
Inv. Status: In Stock
SZ-V006022
CAS No:1417529-67-9
Mol.F.: C17H18N4O4
Mol.Wt.: 342.4
Inv. Status: In Stock

Vardenafil Impurity 2

Picture of Vardenafil Impurity 2
CAT No: SZ-V006023
CAS No: 1417529-69-1
Mol.F. : C23H30N6O6S
Mol.Wt. : 518.6
Inv. Status: In Stock
SZ-V006023
CAS No:1417529-69-1
Mol.F.: C23H30N6O6S 
Mol.Wt.: 518.6
Inv. Status: In Stock

Vardenafil EP Impurity A

Picture of Vardenafil EP Impurity A
CAT No: SZ-V006024
CAS No: 2169247-39-4
Mol.F. : C21H28N6O4S
Mol.Wt. : 460.6
Inv. Status: Limited Stock
SZ-V006024
CAS No:2169247-39-4
Mol.F.: C21H28N6O4S
Mol.Wt.: 460.6
Inv. Status: Limited Stock

Vardenafil Impurity 4

Picture of Vardenafil Impurity 4
CAT No: SZ-V006025
CAS No: 448184-56-3
Mol.F. : C21H26N6O7S
Mol.Wt. : 506.5
Inv. Status: Custom Synthesis
SZ-V006025
CAS No:448184-56-3
Mol.F.: C21H26N6O7S 
Mol.Wt.: 506.5
Inv. Status: Custom Synthesis

Vardenafil Impurity 5

Picture of Vardenafil Impurity 5
CAT No: SZ-V006026
CAS No: 927690-90-2
Mol.F. : C17H22N4O3
Mol.Wt. : 330.4
Inv. Status: Custom Synthesis
SZ-V006026
CAS No:927690-90-2
Mol.F.: C17H22N4O3 
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Vardenafil Impurity 6

Picture of Vardenafil Impurity 6
CAT No: SZ-V006027
CAS No: NA
Mol.F. : C25H34N6OS2
Mol.Wt. : 498.7
Inv. Status: Custom Synthesis
SZ-V006027
CAS No:NA
Mol.F.: C25H34N6OS2 
Mol.Wt.: 498.7
Inv. Status: Custom Synthesis

Vardenafil Impurity 7

Picture of Vardenafil Impurity 7
CAT No: SZ-V006028
CAS No: 5308-25-8
Mol.F. : C6H14N2
Mol.Wt. : 114.2
Inv. Status: In Stock
SZ-V006028
CAS No:5308-25-8
Mol.F.: C6H14N2
Mol.Wt.: 114.2
Inv. Status: In Stock

Vardenafil Impurity 8

Picture of Vardenafil Impurity 8
CAT No: SZ-V006029
CAS No: NA
Mol.F. : C23H32N6O5S
Mol.Wt. : 504.6
Inv. Status: Custom Synthesis
SZ-V006029
CAS No:NA
Mol.F.: C23H32N6O5S
Mol.Wt.: 504.6
Inv. Status: Custom Synthesis

Vardenafil Impurity 9

Picture of Vardenafil Impurity 9
CAT No: SZ-V006030
CAS No: NA
Mol.F. : C16H16N4O4
Mol.Wt. : 328.3
Inv. Status: Custom Synthesis
SZ-V006030
CAS No:NA
Mol.F.: C16H16N4O4
Mol.Wt.: 328.3
Inv. Status: Custom Synthesis

Vardenafil Impurity 10

Picture of Vardenafil Impurity 10
CAT No: SZ-V006031
CAS No: 1169861-36-2
Mol.F. : C15H25N5O3S
Mol.Wt. : 355.5
Inv. Status: In Stock
SZ-V006031
CAS No:1169861-36-2
Mol.F.: C15H25N5O3S
Mol.Wt.: 355.5
Inv. Status: In Stock

Vardenafil Di Ester Impurity (Z isomer)

Picture of Vardenafil Di Ester Impurity (Z isomer)
CAT No: SZ-V006032
CAS No: 75435-43-7
Mol.F. : C14H21NO7
Mol.Wt. : 315.3
Inv. Status: Custom Synthesis
SZ-V006032
CAS No:75435-43-7
Mol.F.: C14H21NO7
Mol.Wt.: 315.3
Inv. Status: Custom Synthesis

2-Ethoxybenzimidohydrazide

Picture of 2-Ethoxybenzimidohydrazide
CAT No: SZ-V006034
CAS No: 889943-46-8
Mol.F. : C9H13N3O
Mol.Wt. : 179.2
Inv. Status: Custom Synthesis
SZ-V006034
CAS No:889943-46-8
Mol.F.: C9H13N3O
Mol.Wt.: 179.2
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Vardenafil D4

Picture of Vardenafil D4
CAT No: SZ-V006D01
CAS No: 2012598-83-1
Mol.F. : C23H28D4N6O4S
Mol.Wt. : 492.6
Inv. Status: Custom Synthesis
SZ-V006D01
CAS No:2012598-83-1
Mol.F.: C23H28D4N6O4S
Mol.Wt.: 492.6
Inv. Status: Custom Synthesis

Vardenafil D5 Hydrochloride

Picture of Vardenafil D5 Hydrochloride
CAT No: SZ-V006D02
CAS No: NA
Mol.F. : C23H27D5N6O4S : HCl
Mol.Wt. : 493.6 : 36.5
Inv. Status: Custom Synthesis
SZ-V006D02
CAS No:NA
Mol.F.: C23H27D5N6O4S : HCl
Mol.Wt.: 493.6 : 36.5
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Vardenafil Nitroso Impurity 1

Picture of Vardenafil Nitroso Impurity 1
CAT No: SZ-V006033
CAS No: NA
Mol.F. : C23H31N7O5S
Mol.Wt. : 517.6
Inv. Status: Custom Synthesis
SZ-V006033
CAS No:NA
Mol.F.: C23H31N7O5S
Mol.Wt.: 517.6
Inv. Status: Custom Synthesis