Phoenix Pharmaceuticals reference-grade Neuropeptide Y (NPY) (Human, Rat, Mouse), supplied as a lyophilized peptide in a 200 µg pack size. Manufactured in the USA under ISO 9001, purity >=98% by HPLC with mass-spectrometry identity confirmation; a Certificate of Analysis (CoA) is included with every order. Available to verified institutional accounts for in vitro and preclinical laboratory research only; not for human consumption.