ATROPINE SULPHATE AR is a fine chemical product from the brand RESEARCH-LAB FINE CHEM INDUSTRIES. It is also known as Tropine tropate. Molecular Formula: (C17H23NO3)2 H2SO4 H2O CAS Number: 5908-99-6 Molecular Weight: 694.83 Quantity: 5 gm/Bottle Melting point: 189-192 C (A)(lit.) Purity: >97% Atropine functions as a sympathetic, competitive antagonist of muscarinic cholinergic receptors, thereby abolishing the effects of parasympathetic stimulation.