Levonorgestrel

Overview

Levonorgestrel is a synthetic progestogen used in various hormonal contraceptives, including emergency contraceptive pills. It works by preventing ovulation and fertilization of an egg.

API suppliers (19)

Suppliers of Levonorgestrel backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.

• INDUSTRIALE CHIMICA SRLItaly1 active DMF
• SCINOPHARM TAIWAN LTD1 active DMF
• INDUSTRIALE CHIMICA SRLItaly1 active DMF
• SCINOPHARM TAIWAN LTD1 active DMF
• INDUSTRIALE CHIMICA SRLItaly1 active DMF
• Forest Laboratories, Inc.United States1 active DMF
• Lupin LimitedIndia1 active DMF
• INDUSTRIALE CHIMICA SRLItaly1 active DMF
• Bayer AGGermany1 active DMF
• Forest Laboratories, Inc.United States1 active DMF
• Lupin LimitedIndia1 active DMF
• INDUSTRIALE CHIMICA SRLItaly1 active DMF
• SCINOPHARM TAIWAN LTD1 active DMF
• Cipla USA, Inc.USA1 active DMF
• Forest Laboratories, Inc.United States1 active DMF
• Lupin LimitedIndia1 active DMF
• YANGZHOU PHARMACEUTICAL FACTORY
• HOECHST MARION ROUSSEL
• INDO PHYTO CHEMICALS PRIVATE LTD

Patent & exclusivity (US)

Per the FDA Orange Book (18 approved US products), the latest listed US patent on Levonorgestrel expires 6 Sept 2040 and exclusivity 28 Jun 2026. Generic API sourcing typically opens up once these lapse.

Therapeutic areas