Orcine Search Term: OrcineSource Category: ASSISTOrcine is on the Recommended Chemicals list for Australian schools. Synonyms: 3,5-Dihydroxytoluene; Orcinol; 5-Methylresorcinol; CAS Number: 504-15-4; Signal Word: Warning. Tags: 504-15-4Orcinol5-Methylresorcinol