Dihexa Peptide: Complete Guide to Synaptogenesis (2026) Understanding peptide handling starts with the basics. From reconstitution methods to proper storage conditions, small details can make a big difference in maintaining stability and consistency. This guide breaks down key principles 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, 100 mg, CAS No. 1401708 83 5 Research Chemicals Biochemicals Product Expansion Campaign Carl ROTH International Buy DIHEXA HGF Mimetic Hexapeptide, Lab Tested