CAS 349100-75-0 appears in our catalog under these names: P,P'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[N,N,N',N'-tetraethyl-phosphonous diamide] 98%, Xantphos based ligand, 96%. Offered by: Ambeed, Fluorochem. Available pack sizes: 10g, 100mg, 250mg, 1g, 5g.