Description: Peptide to Rigin Form: Lyophilized powder CAS Number : 77727-17-4Molecular Formula : C18H32N8O6Molecular Weight : 456.51Purity : > 95%Chemical Structure : H-Gly-Gln-Pro-Arg-OHApplication : Besides tuftsin, rigin is another phagocytosis-stimulating tetrapeptide originally isolated from human IgG.Storage/Stability : Shipped at 4°C. Store at -20°C for one year.