Description_x000D_ Application_x000D_ Pyridostigmine bromide has been used as a cholinesterase inhibitor in mice, in florimetric assay for acetylcholine secretion and for measuring acetylcholine release from mice atrial tissue._x000D_ Packaging_x000D_ 1, 5 g in glass bottle_x000D_ Biochem/physiol Actions_x000D_ Pyridostigmine bromide inhibits acetylcholine esterase and is membrane impermeable. It is used as a preventive medicine in chemical warfare. Pyridostigmine bromide is a carbamate compound comprising quaternary amine structure. It displays low absorption at the gastrointestinal tract. Sustained release of pyridostigmine is recommended for improving its bioavailability in treating myasthenia gravis._x000D_ Acetylcholinesterase inhibitor._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_ This compound was developed by Valeant. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here._x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC