Description: Peptide to Biotin-Kemptide Form: Lyophilized powder Molecular Formula : C42H75N15O11SMolecular Weight : 998.22Purity : > 95%Chemical Structure : Biotin-Leu-Arg-Arg-Ala-Ser-Leu-GlyStorage/Stability : Shipped at 4°C. Store at -20°C for one year.