Chemical Structure CAT No. CAS Item Group Purity
Vardenafil Impurity 11 C4X-101711 889943-46-8(Free base) Impurity
Vardenafil Impurity 11
N-Desethyl Vardenafil HCl C4X-101713 N/A Impurity
N-Desethyl Vardenafil HCl
Vardenafil Impurity 14 C4X-101714 N/A Impurity
Vardenafil Impurity 14
Vardenafil Impurity 15 C4X-101715 N/A Impurity
Vardenafil Impurity 15
Vardenafil Impurity 16 C4X-101716 N/A Impurity
Vardenafil Impurity 16
Vardenafil Impurity 18 C4X-101718 68282-26-8 Impurity
Vardenafil Impurity 18
N-Desethyl Vardenafil C4X-10172 448184-46-1 Impurity
N-Desethyl Vardenafil
Vardenafil Impurity 20 C4X-101720 879-57-2 Impurity
Vardenafil Impurity 20
Vardenafil Impurity 21 C4X-101721 927690-90-2 Impurity
Vardenafil Impurity 21
Vardenafil EP impurity A C4X-101722 N/A Impurity
Vardenafil EP impurity A