CAS 1621274-19-8 appears in our catalog under these names: XantPhos Pd G4, XantPhos Pd G4 98%, ​XANTPHOS PD G4 CHEMBEADS, METHANESULFONATO[4,5-BIS(DIPHENYLPHOSPHINO)-9,9-DIMETHYLXANTHENE](2'-METHYLAMINO-1,1'-BIPHENYL-2-YL)PALLADIUM(II), 98%, 98%, XantPhos Pd G4, 98%. Offered by: Biosynth, Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 5g, 10g, 25g, 100g, 50g, 100mg, 250mg, 1g.