Used in pharmaceutical formulations as a prodrug for estradiol, providing sustained release of the active hormone. Commonly employed in hormone replacement therapy (HRT) to manage symptoms of menopause, such as hot flashes, vaginal atrophy, and osteoporosis. Also utilized in some contraceptive preparations and in the treatment of certain hormone-sensitive conditions like hypoestrogenism. Its hemisuccinate ester group enhances water solubility, making it suitable for parenteral administration, including intramuscular injections. Additionally, it serves as an intermediate in the synthesis of other estrogenic compounds.