CAS Chem.name Chem.SMILES #Observed Mutagenicity without S9 #Observed Mutagenicity with S9 Bioassay - Reference(s) - 373-91-1 Trifluoromethyl hypofluorite FC(F)(F)OF in vitro Ames positive in vitro Ames positive Bacterial Reverse Mutation Assay (e.g. Ames Test) NIHS, Japan; http://www.nihs.go.jp/dgm/ClassA253.pdf