1,4a-Ethano-4aH-phenanthro[1,2-b]pyran,pregnan-20-one deriv. is a chemical compound registered under CAS number 26609-99-4, with the molecular formula C21H32O3 and a molecular weight of about 332.48 g/mol. It is also known as 1,4a-Ethano-4aH-phenanthro[1,2-b]pyran,pregnan-20-one deriv; Pregnan-21-al, 14-hydroxy-20-oxo-, cyclic 21,14-hemiacetal. FireTardant supplies 1,4a-Ethano-4aH-phenanthro[1,2-b]pyran,pregnan-20-one deriv. for laboratory research and bulk production; product code 1235610. Send an inquiry for purity, packaging, price and lead time.