Description: Peptide to 2B-(S) Form: Lyophilized powder Molecular Formula : C81H138N28O29SMolecular Weight : 2000.24Purity : > 95%Chemical Structure : Biotin-Arg-Arg-Ala-Ala-Glu-Glu-Leu-Asp-Ser-Arg-Ala-Gly-Ser-Pro-Gln-Leu-OHStorage/Stability : Shipped at 4°C. Store at -20°C for one year.