CAS Chemical Name SMILES #Obs_CA_with_S9 #in vitro predicted CA with S9 Metabo Smiles Reference 592-62-1 (methyl-onn-azoxy)methyl_acetate CC(=O)OCN=N(C)=O in vitro CA positive in vitro CA positive CN(=N)=O; CN=N Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test in vitro, Revised Edition. Life-Science Information Center, Tokyo, Japan