Dihexa (also known as PNB 0408) is an experimental small molecule derived from angiotensin IV. It was engineered to cross the bloodbrain barrier and has shown synaptogenic effects in preclinical models. The often quoted Dihexa Wikipedia DIHEXA PEPTIDE 10MG VIAL UMBRELLA Labs Solubility, density and refractive index of formamide N methylformamide N, N dimethylformamide + Rb2SO4 + H2O ternary systems at 283.2, 298.2 and 313.2 K ScienceDirect Dihexa c Met chemical CAS 1401708 83 5 Selleck