Ornidazole Description Used to treat some protozoan infections. Specifications Cas No. 16773-42-5 Product ID O6953 Product Name Ornidazole Synonym Tiberal, Madelen Formula Wt. 219.63 Store Temp Ambient References Khrianin AA, Reshetnikov OV Antibiot Khimioter. 51:18-21 (2006).