The molecule is a C21-steroid that is cortisol in which the 21-hydroxy group has been oxidised to the corresponding aldehyde. It is a 21-oxo steroid, a 20-oxo steroid, a 3-oxo-Delta(4) steroid, an 11beta-hydroxy steroid, a 17alpha-hydroxy steroid, a C21-steroid, a steroid aldehyde and a tertiary alpha-hydroxy ketone. It derives from a progesterone. It derives from a hydride of a 5alpha-pregnane.
2-[(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde