CAS 12037-29-5 appears in our catalog under these names: Praseodymium oxide/ 99.99% (REO), Praseodymium(III, IV) oxide, Praseodymium oxide, Praseodymium oxide/ 96% (REO), Praseodymium oxide/ 99.9% (REO). Offered by: Chemat, GLPBio, Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros), Sigma-Aldrich. Available pack sizes: 5g, 100g, 500g, 25g, 250g, 1kg, 10g, 50g.