CAS Number: 139755-91-2

Alternate CAS#:

Chemical Name: Sildenafil EP Impurity C (O-Desethyl Sildenafil)

Molecular Formula: C20H26N6O4S

Molecular Weight: 446.53

CAS Number: 1094598-75-0

Alternate CAS#:

Chemical Name: Sildenafil EP Impurity B (Sildenafil N-Oxide)

Molecular Formula: C22H30N6O5S

Molecular Weight: 490.58

CAS Number: 1391053-95-4

Alternate CAS#:

Chemical Name: Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil)

Molecular Formula: C23H32N6O4S

Molecular Weight: 488.61

CAS Number: 139755-83-2 (non-labelled)

Alternate CAS#:

Chemical Name: Sildenafil-d8

Molecular Formula: C22H22D8N6O4S

Molecular Weight: 482.63

CAS Number: N/A

Alternate CAS#:

Chemical Name: Homo Sildenafil-d5

Molecular Formula: C23H27N6O4SD5

Molecular Weight: 493.64

CAS Number: 139755-83-2

Alternate CAS#:

Chemical Name: Sildenafil

Molecular Formula: C22H30N6O4S

Molecular Weight: 474.58

CAS Number: 186521-85-7

Alternate CAS#:

Chemical Name: Sibutramine Impurity J

Molecular Formula: C15H19ClO

Molecular Weight: 250.77

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sibutramine Impurity I

Molecular Formula: C15H21ClO

Molecular Weight: 252.79

CAS Number: 59242-93-2

Alternate CAS#:

Chemical Name: Sibutramine Impurity H

Molecular Formula: C14H14ClN

Molecular Weight: 231.73

CAS Number: 28049-61-8

Alternate CAS#:

Chemical Name: Sibutramine Impurity F

Molecular Formula: C11H10ClN

Molecular Weight: 191.66

CAS Number: 140-53-4

Alternate CAS#:

Chemical Name: Sibutramine Impurity E

Molecular Formula: C8H6ClN

Molecular Weight: 151.6

CAS Number: N/A

Alternate CAS#:

Chemical Name: Sibutramine Impurity 4

Molecular Formula: C21H26ClN HCl

Molecular Weight: 327.90 36.46