CAS Number: 332374-42-2

Alternate CAS#:

Chemical Name: Sildenafil Impurity 2

Molecular Formula: C14H20N2O4S

Molecular Weight: 312.39

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sildenafil Impurity 19

Molecular Formula: C19H26N6O4S

Molecular Weight: 434.52

CAS Number: 2196244-90-1

Alternate CAS#:

Chemical Name: Sildenafil Impurity 18 (Dithiopropylcarbodenafil)

Molecular Formula: C25H34N6OS2

Molecular Weight: 498.71

CAS Number: 1621873-33-3

Alternate CAS#:

Chemical Name: Sildenafil Impurity 17

Molecular Formula: C25H36N6O4S

Molecular Weight: 516.66

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sildenafil Impurity 16

Molecular Formula: C18H22N4O5S

Molecular Weight: 406.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sildenafil Impurity 15 (Isomer of Isobutyl Sildenafil)

Molecular Formula: C23H32N6O4S

Molecular Weight: 488.61

CAS Number: 2146091-79-2

Alternate CAS#:

Chemical Name: Sildenafil Impurity 14

Molecular Formula: C24H32N6OS2

Molecular Weight: 484.68

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sildenafil Impurity 12

Molecular Formula: C25H34N6OS2

Molecular Weight: 498.71

CAS Number: 1260112-90-0

Alternate CAS#:

Chemical Name: Sildenafil Impurity 11

Molecular Formula: C24H32N6O4S2

Molecular Weight: 532.68

CAS Number: 358388-58-6

Alternate CAS#:

Chemical Name: Sildenafil Impurity 10

Molecular Formula: C19H21BrN4O3

Molecular Weight: 433.31

CAS Number: 845302-49-0

Alternate CAS#:

Chemical Name: Sildenafil Impurity 1

Molecular Formula: C17H22N4O2

Molecular Weight: 314.39

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sildenafil Impurity ((1-methyl-4-Nitro -3-n-propyl pyrazole-5- carboxylic acid)

Molecular Formula: C8H11N3O4

Molecular Weight: 213.19