CAS Chemical Name SMILES #Obs_CA_with_S9 #in vitro predicted CA with S9 Reference 1910-42-5 Paraquat dichloride Cn{+}1(.Cl{-})ccc(-c2ccn{+}(C)(.Cl{-})cc2)cc1 in vitro CA positive in vitro CA positive Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test in vitro, Revised Edition. Life-Science Information Center, Tokyo, Japan