Chemical Name : Pregn-4-ene-3,20-dione,11,17-dihydroxy-, (11a)-
CAS : 603-98-5
Plasma 21-deoxycortisol (21DF) is an excellent marker of 21-hydroxylase deficiency. Currently, it is the only marker able to detect heterozygous carriers with 21-hydroxylase deficiency after Adrenocorticotropic Hormone (ACTH) stimulation.