Butyrylthiocholine

(2-Mercaptoethyl)Trimethylammonium Butyrate; S-Butyrylthiocholine Iodide; Iodide, S-Butyrylthiocholine; S Butyrylthiocholine Iodide
A sulfur-containing analog of butyrylcholine which is hydrolyzed by butyrylcholinesterase to butyrate and thiocholine. It is used as a reagent in the determination of butyrylcholinesterase activity.