Ospemifene

Overview

Ospemifene is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL2105395).

API suppliers (8)

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

• Shionogi & Co., Ltd.Japan1 active DMF
• MAITHRI DRUGS PRIVATE LTDIndia1 active DMF
• OLON SPAItaly1 active DMF
• FERMION OYFinland1 active DMF
• TIANJIN TIANYAO PHARMACEUTICALS CO LTDChina1 active DMF
• ALIVUS LIFE SCIENCES LTDIndia1 active DMF
• HONOUR LAB LTDIndia1 active DMF
• CAMBREX KARLSKOGA ABSweden

Patent & exclusivity (US)

Per the FDA Orange Book (1 approved US product), the latest listed US patent on Ospemifene expires 9 Jul 2028. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name

2-[4-[(Z)-4-chloro-1,2-diphenylbut-1-enyl]phenoxy]ethanol

Canonical SMILES

C1=CC=C(C=C1)/C(=C(/C2=CC=CC=C2)\C3=CC=C(C=C3)OCCO)/CCCl

InChIKey

LUMKNAVTFCDUIE-VHXPQNKSSA-N