Neuropeptide Y (human) free acid is the deamidated form of Neuropeptide Y (human, rat, mouse) . The amidation of Neuropeptide Y C-terminal tyrosine is critical for its function. Non-amidated Neuropeptide Y fails to elicit G protein signaling.

Produced in the gut microflora as one of the three main metabolites formed from the catechin diet. Its use in the production of glycol benzoates for the application of plasticizer in adhesive formulations is increasing.

Tolfenpyrad is an effective insecticide[1], used against pests that are resistant to existing insecticides such as organophosphates and carbamates.