Benz(a)anthracene-7-thiol ,its CAS NO. is 63018-57-5,the synonyms is 1,2-Benzanthryl-10-mercaptan ; 3-07-00-02719 (Beilstein Handbook Reference) ; 7-Mercaptobenz(a)anthracene ; BRN 3294278 ; Benz(a)anthracene, 7-mercapto- .