Certificate of Analysis

 
Product Name: Cys(NPys)-D{Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg}-NH2
Catalog Number: M51377
CAS Number: 1676104-79-2
Physical and Chemical Properties
Formula: C65H123N41O13S2
Molecular Weight: 1751.07
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Cys(NPys)-D{Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg}-NH2 Structure
Analytical Data
QC Standard:
H-NMR: Consistent with structure
Product Information
Description: Cys(NPys)-D{Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg}-NH2 is a cell-penetrating polypeptide composed of nine arginines and cysteines, used to carry therapeutic agent into the cell.
   
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.