Sub Group: Research Compounds Catalog Number: 17054 CAS Number: 52-39-1 Molecular Weight: 360.44 Synonyms: 11?21-Dihydroxy-3,20-dioxo-4-pregnen-18-al, 11?21-Dihydroxypregn-4-ene-3,18,20-trione, 18-Aldocorticosterone, Reichstein X