What is "aminopropionitrile"

n. A nitrile, used as an antirheumatic in veterinary medicine, that can be prepared by the reaction of ammonia with acrylonitrile.

Aminopropionitrile, also known as β-aminopropionitrile (BAPN), is an organic compound with both amine and nitrile functional groups. It is a colourless liquid. The compound occurs naturally and is of interest in the biomedical community.