Carbazole Search Term: CarbazoleSource Category: ASSISTCarbazole is on the Recommended Chemicals list for Australian schools. Synonyms: Dibenzopyrrole, 9-Azafluorene, Diphenyleneimine; CAS Number: 86-74-8; Signal Word: Warning. Tags: 86-74-8Dibenzopyrrole9-AzafluoreneDiphenyleneimine