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Vardenafil Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Vardenafil, pharmacopeial and non-pharmacopeial Vardenafil impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Vardenafil impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Vardenafil-related products are thoroughly characterized. Vardenafil products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Vardenafil Hydrochloride Trihydrate

Picture of Vardenafil Hydrochloride Trihydrate
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 Related Compound E

Picture of Vardenafil Related Compound E
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 USP Related Compound D

Picture of Vardenafil USP Related Compound D
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: Inquire
SZ-V006033
CAS No:NA
Mol.F.: C23H31N7O5S
Mol.Wt.: 517.6
Inv. Status: Inquire