Description: Peptide to 2B-(A) Form: Lyophilized powder Molecular Formula : C81H137N28O28SMolecular Weight : 1983.23Purity : > 95%Chemical Structure : Biotin-Arg-Arg-Ala-Ala-Glu-Glu-Leu-Asp-Ser-Arg-Ala-Gly-Ala-Pro-Gln-Leu-OHStorage/Stability : Shipped at 4°C. Store at -20°C for one year.