Levonorgestrel

CAS 797-63-7 15 API suppliersSmall Molecule

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 (15)

Suppliers of Levonorgestrel evidenced by a US FDA Type II Drug Master File or an EU Certificate of Suitability (CEP). Sources: FDA DMF list, EDQM certification database.

Where these suppliers are
Taiwan2India2China2Germany1Italy1USA1Malta1

Country recorded for 10 of 15 suppliers.

7 of 15 hold a GMP certificate on record in the EU or UK registers

Patent & exclusivity (US)

Per the FDA Orange Book (18 approved US products), the latest listed US patent on Levonorgestrel expires 7 Sept 2040 and exclusivity 29 Jun 2026. Generic API sourcing typically opens up once these lapse.

Therapeutic areas

ContraceptionHormonal TherapyEmergency Contraception
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