Description: Peptide to Alpha-Substance IB Form: Lyophilized powder Alternative Names: A-SUBSTANCE 1BMolecular Formula : C33H51N9O7Molecular Weight : 685.82Purity : > 95%Chemical Structure : Arg-Gly-Pro-Phe-Pro-IleStorage/Stability : Shipped at 4°C. Store at -20°C for one year.