9-Methyl-1:2-benzocarbazole (CAS NO.13127-50-9) is also called as 11-Methyl-11H-benzo(a)carbazole ; 5-20-08-00457 (Beilstein Handbook Reference) ; BRN 0180109 ; 11H-Benzo(a)carbazole, 11-methyl- .