Certificate of Analysis


Catalog Number: M5959
Product Name: Sildenafil
CAS Number: 139755-83-2

Physical and Chemical Properties
Formula: C22H30N6O4S
Molecular Weight: 474.58
Solubility: 14 mg/mL in water
Long-term Storage: at -20°C
Chemical Structure: Sildenafil  Structure
Analytical Data
HPLC: Shows Min >98% purity
H-NMR: Consistent with structure
Product Information
Description: Sildenafil is a Phosphodiesterase 5 Inhibitor with IC50 of 5.22 nM.
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials at -20°C or below and used within 1 month.