CAS 15522-71-1 appears in our catalog under these names: Europium-thd, Tris(2,2,6,6–tetramethyl–3,5–heptanedionato)europium(III) (NMR Shift Reagent), Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)europium(III) , Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)europium(III) [NMR Shift Reagent], >95.0%(T). Offered by: Chemat, GLPBio, Thermo Scientific (Alfa Aesar), TCI. Available pack sizes: 1g, 5g.