CAS Chemical Name SMILES #Obs_CA_with_S9 #in vitro predicted CA with S9 Metabo Smiles Reference 2608-48-2 5-(4-nitrophenyl)-2,4-pentadienal; 5-(4-nitrophenyl)-2,4-pentadien-1-al (nppd); 5-(4-nitrophenyl)-2,4-pentadien-1-al O=CC=CC=Cc1ccc(N(=O)=O)cc1 in vitro CA negative in vitro CA positive O=CC=CC=Cc1ccc(N(=O)=O)cc1; OC(=O)C=CC=Cc1ccc(N(=O)=O)cc1 Zeiger, E., Shelby, M.D., Ivett, J., McFee, A.F., Mutagenicity testing of 5-(4-nitrophenyl)-2,4-pentadien-1-al (spy dust) and its metabolites in vitro and in vivo. Environ. Mutagen., 1987, 9(3), 269-280. 62-23-7 4-nitrobenzoic acid OC(=O)c1ccc(N(=O)=O)cc1 in vitro CA positive in vitro CA positive OC(=O)c1ccc(N(=O)=O)cc1 NTP Toxicology and Carcinogenesis Studies of p-Nitrobenzoic Acid (CAS No. 62-23-7) in F344/N Rats and B6C3F1 Mice (Feed Studies). Natl Toxicol Program Tech Rep Ser. 1994 Dec; 442:1-306