(Trp63,Trp64)​-​C3a(63-77) from MedChemExpress

(Trp63,Trp64)​-​C3a(63-77) is a C3a synthetic analogue peptide, which exhibits Ca2+ stimulating efficacy in human neutrophils and hC3aR or mC3aR expressing RBL-2H3 cells with EC50 of 9.5, 2.0 and 0.8 nM, respectively[1]