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 Experimental and thermodynamic correlation of 4 hydroxycoumarin solubility in aqueous organic solvent systems (DMSO, ACN, DMF) at eight temperatures ScienceDirect Investigation of the solubility of adipic acid in binary water organic solvents H2O + (DMF, DMSO, and ACN) in the temperature range (T = 288.15 K to 313.15 K) ScienceDirect DHX PNB 0408 Pure Health Peptides Dihexa Wikipedia