N,N-Dimethyl-p-((o-chlorophenyl)azo)aniline ,its CAS NO. is 3010-47-7,the synonyms is 2'-Chloro-4-dimethylaminoazobenzene ; 4-16-00-00450 (Beilstein Handbook Reference) ; BRN 0749029 ; Aniline, N,N-dimethyl-p-((o-chlorophenyl)azo)- .