Physostigmine is an alkaloid and noted to act as a potent and reversible inhibitor of cholinesterase. Physostigmine is also reported to form a slowly degrading carbamylated enzyme complex with AChE (acetylcholinesterase). This compound has been

Physostigmine hemisulfate, a derivative of Physostigmine, is a parasympathomimetic, specifically, a reversible cholinesterase inhibitor.

Physostigmine 100 µg mL in Acetonitrile

Physostigmine hemisulfate

Physostigmine Salicylate