Certificate of Analysis

 

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

Physical and Chemical Properties
Formula: C22H30N6O4S
Molecular Weight: 474.58
Solubility: DMSO 25 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Sildenafil  Structure
Analytical Data
QC Standard: >98%
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 and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.