405 / 427
10
Tadalafil Dichloro Impurity
CAS No. N/A
C22H18Cl2N2O5 M.W. 461.31
T-1030
Tadalafil Dimethoxy Impurity
CAS No. 1356345-67-9
C23H23N3O4 M.W. 405.46
T-1031
Tadalafil Impurity (1,1
Œ-
ethylidenebistryptophan)
C24H26N4O4 M.W. 434.50
T-1032
Tadalafil Related Impurity 1
CAS No. N/A
C26H25N3O4 M.W. 443.51
T-1033
Tadalafil Acid Impurity
CAS No. N/A
C19H16N2O4 HCl M.W. 336.35 36.46
T-1034
Chloropretadalafil
C22H19ClN2O5 M.W. 426.86
T-104
N-Octyl-nortadalafil
C29H33N3O4 M.W. 487.60
T-105
N-Butyl Tadalafil
C25H25N3O4 M.W. 431.50
T-106
Nortadalafil
C21H17N3O4 M.W. 375.39
T-107
Tadalafil Impurity A
CAS No. NA
C20H19N3O3 M.W. 349.39
T-108
Tadalafil Impurity B
CAS No. NA
C20H19N3O3 M.W. 349.39
T-109
Vardenafil Related Compounds (commercial standards available) – includes deuterated standards.
Pseudovardenafil
CAS No. 224788-34-5
C22H29N5O4S M.W. 459.57
V-051
Hydroxythio Vardenafil
C23H32N6O4S2 M.W. 520.68
V-0510
Vardenafil Impurity 1
CAS No. 1417529-67-9
C17H18N4O4 M.W. 342.36
V-0511
Vardenafil Impurity 2
CAS No. 1417529-69-1
C23H30N6O6S M.W. 518.60
V-0512