Description_x000D_ Application_x000D_ Scopolamine hydrobromide has been used as a muscarinic receptor antagonist:_x000D_ • to reverse the cardiac effects of physostigmine in rabbit heart_x000D_ • to study its effect on acoustic startle reflex (gap-PPI){148)_x000D_ • to study it’s in vitro antiviral, antibacterial, and antifungal activities and cytotoxicity_x000D_ • to study its effect on conditioning of lever pressing_x000D_ Packaging_x000D_ 1, 5, 25 g in glass bottle_x000D_ Biochem/physiol Actions_x000D_ Competitive nonselective muscarinic acetylcholine antagonist. Scopolamine-induced amnesia in laboratory animals is a commonly-used model of memory deficit.