D 2488 (OTTO) Dysprosium(III) 2,4-pentanedionate, 99.9% Cas 14637-88-8 - used in various catalysts and catalytic reagents for organic synthesis, including the fabrication of various shapes of carbon nanostructures (as demonstrated by a 2013 experiment by researchers at the Leibniz Institute for Solid State and Materials Research Dresden) via the use of chemical vapor deposition (CVD) and laser evaporation techniques. It is generally immediately available in most volumes.