Treprostinil

CAS 81846-19-7 6 FDA-DMF suppliersSmall Molecule

Overview

Treprostinil is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL1237119).

Patent & exclusivity (US)

Per the FDA Orange Book (31 approved US products), the latest listed US patent on Treprostinil expires 3 Feb 2042 and exclusivity 22 May 2028. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name
2-[[(1R,2R,3aS,9aS)-2-hydroxy-1-[(3S)-3-hydroxyoctyl]-2,3,3a,4,9,9a-hexahydro-1H-cyclopenta[g]naphthalen-5-yl]oxy]acetic acid
Canonical SMILES
CCCCC[C@@H](CC[C@H]1[C@@H](C[C@H]2[C@@H]1CC3=C(C2)C(=CC=C3)OCC(=O)O)O)O
InChIKey
PAJMKGZZBBTTOY-ZFORQUDYSA-N

Ready to Accelerate Your
Discovery Workflow?

Find, vet, and source drug-manufacturing partners faster — with FDA compliance screening built in. Start free for 14 days.