Pregn-4-en-21-al, 3,20-dioxo- is a chemical compound registered under CAS number 853-27-0, with the molecular formula C21H28O3 and a molecular weight of about 328.45 g/mol. KingChemi supplies Pregn-4-en-21-al, 3,20-dioxo- for laboratory research and bulk production; product code 893770. Send an inquiry for purity, packaging, price and lead time.