CAS 68959-87-5 appears in our catalog under these names: Tris(i-propylcyclopentadienyl)lanthanum, 95%, Tris(i-propylcyclopentadienyl)lanthanum, 98%, Tris(isopropylcyclopentadienyl)lanthanum(III), 99.9% (REO) . Offered by: Combi-blocks, Chemat Brand, Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, on request.