CAS 67884-33-7 appears in our catalog under these names: (S)-PROPHOS 98%, (S)-Propane-1,2-diylbis(diphenylphosphine), 98%, 98%, (S)-(-)-1,2-BIS(DIPHENYLPHOSPHINO)PROPANE, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g.