CAS 3634-83-1 appears in our catalog under these names: m-Xylylene Diisocyanate, m-Xylylene Diisocyanate, >98.0%(GC), M-xylylenediisocyanate 98%, M-XYLYLENE DIISOCYANATE, STAB., 1,3-Bis(isocyanatomethyl)benzene, 98%, 98%. Offered by: TRC, Biosynth, TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 2,5g, 250mg, 500mg, 2kg, 25g, 100g, 500g, 5g.