C21H30O5

The molecular formula C21H30O5 (molar mass: 362.46 g/mol, exact mass: 362.209324) may refer to:


 * Cortisol, a corticosteroid
 * 5α-Dihydroaldosterone
 * Dihydrocortisone
 * Hydrocortisone
 * Humulone
 * 18-Hydroxycorticosterone
 * Isohumulone