Description_x000D_ Application_x000D_ Tetraisopropyl pyrophosphoramide has been used:_x000D_ • as a butyrylcholinesterase inhibitor to determine the proportions of butyrylcholinesterase (BChE) in cat and tiger plasma_x000D_ • to inhibit wild-type BChE in acetylcholinesterase assay_x000D_ • to selectively block the enzymatic activity of AChE_x000D_ Biochem/physiol Actions_x000D_ Selective inhibitor of butyrylcholinesterase_x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more._x000D_ Warning_x000D_ WARNING: Extremely hazardous! Be aware of the risk and familiar with safety procedures before you use this product._x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC