Tolvaptan1).Chemacil Name: N-[4-[(5R)-7-Chloro-5-hydroxy-2,3,4,5-tetrahydro- 1-benzazepine-1-carbonyl]-3-methylphenyl]-2-methylbenzamide;2). CAS No.: 150683-30-0; 3). Molecular Formula: C26H25C1N2O3; 4). Molecular Weight: 448.94; 5). Spec: 99%(HPLC); 6). Appearance: white powder.