Certificate of Analysis

 

Product Name: PR-39
Catalog Number: M52545
CAS Number: 139637-11-9

Physical and Chemical Properties
Formula: C229H346N70O40
Molecular Weight: 4719.74
Solubility: Water
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: PR-39 Structure
Analytical Data
QC Standard:
H-NMR: Consistent with structure
Product Information
Description: PR-39, a natural proline- and arginine-rich antibacterial peptide, is a noncompetitive, reversible and allosteric proteasome inhibitor.
   
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.