Elacestrant

Overview

Elacestrant is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL4297509).

Patent & exclusivity (US)

Per the FDA Orange Book (2 approved US products), the latest listed US patent on Elacestrant expires 5 Jan 2038 and exclusivity 27 Jan 2028. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name

(6R)-6-[2-[ethyl-[[4-[2-(ethylamino)ethyl]phenyl]methyl]amino]-4-methoxyphenyl]-5,6,7,8-tetrahydronaphthalen-2-ol

Canonical SMILES

CCNCCC1=CC=C(C=C1)CN(CC)C2=C(C=CC(=C2)OC)[C@@H]3CCC4=C(C3)C=CC(=C4)O

InChIKey

SIFNOOUKXBRGGB-AREMUKBSSA-N