Nafamostat Impurity 7 Catalogue N215427 CAS free base:82956-09-0 2MeSO3H:82956-10-3 M.W 347.38(free base),557.50 M.F C19H17N5O2.CF3COOH.CH4O3S Specifications FAQs 6-carbamimidoylnaphthalen-2-yl 3-guanidinobenzoate