Certificate of Analysis

 

Product Name: Naproxen sodium
Catalog Number: M3608
CAS Number: 26159-34-2

Physical and Chemical Properties
Formula: C14H13NaO3
Molecular Weight: 252.24
Solubility: Water 70 mg/mL; Ethanol 10 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Naproxen sodium Structure
Analytical Data
QC Standard: 99.93%
H-NMR: Consistent with structure
Product Information
Description: Naproxen is a COX inhibitor for COX-1 and COX-2 with IC50 of 8.7 μM and 5.2 μM, respectively.
   
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.