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 Dihexa & Tesofensine Bundle Pack: Amazon.com: Industrial & Scientific Dihexa c Met chemical CAS 1401708 83 5 Selleck 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 Peptide: Complete Guide to Synaptogenesis (2026)