3β-Acetoxyandrost-5-en-17-one Acetylhydrazone-d5

3β-Acetoxyandrost-5-en-17-one Acetylhydrazone-d5 is labelled 3β-Acetoxyandrost-5-en-17-one Acetylhydrazone (A164317), an impurity of Pregnenolone (P712200) which is a steroid hormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens. As such it is a prohormone. Pregnenolone is a GABAA antagonist and increases neurogenesis in the hippocampus. It is a modulator of cytochrome P 450-3A.