Description: Peptide to Proinsulin C-peptide (55-89) (Human) Form: Lyophilized powder CAS Number : 11097-48-6Molecular Formula : C153H259N49O52Molecular Weight : 3617.07Purity : > 95%Chemical Structure : Arg-Arg-Glu-Ala-Glu-Asp-Leu-Gln-Val-Gly-Gln-Val-Glu-Leu-Gly-Gly-Gly-Pro-Gly-Ala-Gly-Ser-Leu-Gln-Pro-Leu-Ala-Leu-Glu-Gly-Ser-Leu-Gln-Lys-ArgStorage/Stability : Shipped at 4°C. Store at -20°C for one year.