CAS Number: 477970-20-0

Alternate CAS#:

Chemical Name: Tadalafil Impurity 53

Molecular Formula: C23H21N3O4

Molecular Weight: 403.44

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 52

Molecular Formula: C23H18Cl2N2O6

Molecular Weight: 489.31

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 51

Molecular Formula: C24H20ClN3O5

Molecular Weight: 465.89

CAS Number: 132685-02-0 (free base)

Alternate CAS#:

Chemical Name: Tadalafil Impurity 50 DiHCl

Molecular Formula: C24H26N4O4. 2 HCl

Molecular Weight: 434.50 2 36.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 50

Molecular Formula: C25H24N4O5

Molecular Weight: 460.49

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 5

Molecular Formula: C47H45N5O8

Molecular Weight: 807.91

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 49 HCl

Molecular Formula: C12H14N2O3. HCl

Molecular Weight: 234.26 36.46

CAS Number: 171489-03-5

Alternate CAS#:

Chemical Name: Tadalafil Impurity 48

Molecular Formula: C21H19N3O4

Molecular Weight: 377.4

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 47

Molecular Formula: C22H21N3O4

Molecular Weight: 391.43

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 46

Molecular Formula: C21H19N3O4

Molecular Weight: 377.4

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 45

Molecular Formula: C20H21N3O3

Molecular Weight: 351.41

CAS Number: N/A

Alternate CAS#:

Chemical Name: Tadalafil Impurity 44

Molecular Formula: C20H19N3O3

Molecular Weight: 349.39