CAS Chem.name Chem.SMILES #Observed Mutagenicity without S9 #Observed Mutagenicity with S9 Bioassay - Reference(s) - 30516-87-1 Azidothymidine CC1=CN(C2CC(N=[N+]=[N-])C(CO)O2)C(=O)NC1=O in vitro Ames positive in vitro Ames positive Bacterial Reverse Mutation Assay (e.g. Ames Test) Zeller, A., Koenig, J., Schmitt, G., Singer, T., Guerard, M., Genotoxicity Profile of Azidothymidine In vitro. Toxicol. Sci., 2013, 135(2), 317 - 327