Description: Peptide to IGF-II (33-40) Form: Lyophilized powder CAS Number : 103244-41-3Molecular Formula : C38H74N20O12Molecular Weight : 1003.14Purity : > 95%Chemical Structure : Ser-Arg-Val-Ser-Arg-Arg-Ser-ArgStorage/Stability : Shipped at 4°C. Store at -20°C for one year.