5,6-Dimethyl-1,2-benzanthracene ,its CAS NO. is 58430-00-5,the synonyms is 3-05-00-02414 (Beilstein Handbook Reference) ; 8,9-Dimethylbenz(a)anthracene ; BRN 3261103 ; Benz(a)anthracene, 8,9-dimethyl- .