The chemical H-89 has a designated molecular formula of C20H20BrN3O2S and a molecular weight of 446.363 g/mol. Synonyms may include: H 89, N-(2-(4-Bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide, N-(2-((3-(4-Bromophenyl)-2-propenyl)amino)ehtyl)-5-isoquinolinesulfonamide dihydrochloride, UNII-M876330O56 (ChemID). H-89 has been assigned a MeSH pharmacological action of: Protein Kinase Inhibitor.