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 (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 China Dihexa 1401708 83 5 GT Peptide Peptide Supplier Manufacturer and Supplier Go Top China Peptide Dihexa Powder, Peptide Dihexa Powder Wholesale, Manufacturers, Price Made in China.com Smart Brothers Dihexa PNB 0408 30 caps Dihexa (PNB 0408) Angiotensin IV analogue CAS NO.:1401708 83 5 GlpBio