CAS 19423-86-0 appears in our catalog under these names: Thulium(III) chloride hydrate, REacton|r, 99.9% (REO) , Thulium(III) chloride hydrate, REacton|r, 99.99% (REO) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 2g, 10g, 0.5g.