Description: Peptide to Poly Arginine 7 Form: Lyophilized powder CAS Number : 165893-48-1Molecular Formula : C42H86N28O8Molecular Weight : 1111.32Purity : > 95%Chemical Structure : Arg-Arg-Arg-Arg-Arg-Arg-ArgStorage/Stability : Shipped at 4°C. Store at -20°C for one year.