CAS 4402-18-0 appears in our catalog under these names: DDRI-18, 3,3′-[6,6′-Bi-1H-benzimidazole]-2,2′-diylbis[benzenamine], 95%, 95%. Offered by: TargetMol, MedChemExpress, Chemat. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 500mg, Get quote.