17-Alpha-Hydroxypregnenolone

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** An endogenous steroid hormone synthesized by the hydroxylation of pregnenolone, which can act either as a neuroactive steroid or as a prohormone for progestogens, mineralocorticoids, glucocorticoids, androgens, estrogens, and the neuroactive steroids.

**Synonyms:** - 17-HYDROXYPREGNENOLONE - 17-Hydroxypregnenolone - 17-OH-Pregnenolone - 17a-Pregnenolone - 3-Beta,17-Alpha-Dihydroxypregn-5-En-20-One - 3-Beta,17-Dihydroxypregn-5-En-20-One - 5-Pregnen-3Beta,17Alpha-Diol-20-One - Pregn-5-En-20-One, 3-Beta,17-Dihydroxy-