Nicorandil Impurity 1 (Nicorandil Dimer Bromide) Catalogue N310274 CAS 2250142-73-3 M.W 360.35 79.90 M.F C16H18N5O5. Br Specifications FAQs 1-(2-(nicotinamido)ethyl)-3-((2-(nitrooxy)ethyl)carbamoyl)pyridin-1-ium, bromide