Category:
Hormones
CAS NO:
797-63-7
Standard:
ChP,USP,EP,
Levonorgestrel
DMF available
Levonorgestrel (CAS 797-63-7; C21H28O2) is a synthetic progestogen manufactured via steroid synthesis. It serves as the active pharmaceutical ingredient in hormonal contraceptives and intrauterine devices.
Contraindicated in pregnancy, thromboembolic disorders, and severe hepatic impairment. Store below 25°C in dry conditions away from direct light to maintain chemical stability.