CAS 14017-54-0 appears in our catalog under these names: Holmium(III) perchlorate solution,99·00%, Holmium(III) perchlorate, 50% w/w aq. soln., Reagent Grade , HOLMIUM(III) PERCHLORATE, 40 WT. % SOL. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 1g, 5g, (c)10g, 10G, 2G.