4-Dehydroepiandrosterone (4-DHEA) is an adrenal steroid that is an isomer of 5-dehydroepiandrosterone

Dehydroepiandrosterone

5-Dehydroepiandrosterone is a 19-carbon endogenous steroid hormone. It is the major secretory steroidal product of the adrenal glands and is also produced by the gonads and the brain. DHEA is the most abundant circulating steroid in humans....

. 4-DHEA is a natural metabolite of androstenedione

Androstenedione

Androstenedione is a 19-carbon steroid hormone produced in the adrenal glands and the gonads as an intermediate step in the biochemical pathway that produces the androgen testosterone and the estrogens estrone and estradiol.-Synthesis:Androstenedione is the common precursor of male and female sex...

that occurs in tissues of rabbits, sheep and rats.

Synonyms

Synonyms for 4-dehydroepiandrosterone are:

3-beta-Hydroxy-4-androsten-17-one, 3.beta.-Hydroxyandrost-4-en-17-one, 3beta-hydroxy-4-androsten-17-one, 3beta-hydroxy-androst-4-en-17-one, 3beta-Hydroxy-D4-androsten-17-one, 3beta-Hydroxyandrost-4-en-17-one, 3beta-Hydroxyandrost-4-ene-17-one, 3-beta-hydroxy-etioallocholan-4-ene-17-one , 4-Androsten-3beta-ol-17-one,