Butyrylcholine is a choline-based ester that can function as a neurotransmitter.

It is similar to acetylcholine, with activation of some of the same receptors as acetylcholine.

Butyrylcholine is a synthetic compound and does not occur in the body naturally.

It is used as a clinical laboratory tool to distinguish between the cholinesterases; acetylcholinesterase and butyrylcholinesterase preferentially lyse acetylcholine and butyrylcholine, respectively.

This drug article relating to the nervous system is a stub.