Histrelin

Overview

Histrelin is a protein active pharmaceutical ingredient (ChEMBL CHEMBL1201255).

Patent & exclusivity (US)

Per the FDA Orange Book (1 approved US product), the latest listed US patent on Histrelin expires 16 Jun 2026. Generic API sourcing typically opens up once these lapse.

Chemical identity

Canonical SMILES

CCNC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](CC2=CN(C=N2)CC3=CC=CC=C3)NC(=O)[C@H](CC4=CC=C(C=C4)O)NC(=O)[C@H](CO)NC(=O)[C@H](CC5=CNC6=CC=CC=C65)NC(=O)[C@H](CC7=CN=CN7)NC(=O)[C@@H]8CCC(=O)N8

InChIKey

HHXHVIJIIXKSOE-QILQGKCVSA-N