Ethyl Formimidate Hydrochloride, is a building block used in various chemical synthesis. It can be used in the preparation of s-triazines, 2,3:5,6-di-O-isopropylidene-α- and -β-5-amino-4-ethoxycarbonyl or -carbamoyl-imidazole D-mannofuranosides. It can also be used as an reactant in the synthesis Bredinin via amination of an acyclic precursor, and Amidine conjugates of the ornithine moiety of an antifungal having therapeutic properties.