Category:
Other Specialized Reagents
CAS NO:
797-63-7
Standard:
USP,BP,EP,In-house Standards,
Levonorgestrel is a synthetic progestin derived from 19-nortestosterone, widely utilized in pharmaceutical synthesis. The standard molecular formula is C21H28O2, with CAS registry number 797-63-7. Industrial production typically involves semi-synthesis starting from diosgenin or soybean sterol.
Strictly contraindicated for patients with history of thromboembolic disorders or undiagnosed vaginal bleeding. Storage requires maintaining temperature below 25°C in a dry, light-resistant environment to ensure chemical stability.