Leflunomide
A disease-modifying antirheumatic drug (DMARD) used to treat rheumatoid and psoriatic arthritis by suppressing the overactive immune response that causes joint damage. It inhibits an enzyme involved in the production of immune cells.
Masse moléculaire
270,2100 g/mol
LogP
2,50
TPSA
55,10 Ų
Règle des 5 de Lipinski
Conforme
Aires thérapeutiques
Pharmacokinetics (PK)
Pharmacodynamics (PD)
Structure 2D
Cite this structure
Embed this structure
SMILES
Cc1oncc1C(=O)Nc1ccc(C(F)(F)F)cc1
InChI
InChI=1S/C12H9F3N2O2/c1-7-10(6-16-19-7)11(18)17-9-4-2-8(3-5-9)12(13,14)15/h2-6H,1H3,(H,17,18)
Molecular Formula
C12H9F3N2O2
HBD / HBA
1 / 6
Liaisons Rotatives
2
Atomes Lourds
19
No targets recorded
Target interaction data is not yet available for this drug.
No interactions recorded
Drug interaction data is not yet available for this compound.
No side effects recorded
Side effect data is not yet available for this drug.
Foire aux questions
A disease-modifying antirheumatic drug (DMARD) used to treat rheumatoid and psoriatic arthritis by suppressing the overactive immune response that causes joint damage. It inhibits an enzyme involved in the production of immune cells.
Yes, Leflunomide is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.
References & Data Sources
- ChEMBL — European Bioinformatics Institute (EBI). CHEMBL960. Open-access bioactivity database.
- PubChem — National Center for Biotechnology Information (NCBI). CID 3899. Chemical information database.
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<div data-drugfyi="drug" data-slug="leflunomide"></div>
Embed via iframe for maximum compatibility.
<iframe src="https://drugfyi.com/iframe/drug/leflunomide/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://drugfyi.com/drug/leflunomide/
Add a dynamic SVG badge to your README or docs.
[](https://drugfyi.com/drug/leflunomide/)
Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<drugfyi-drug slug="leflunomide"></drugfyi-drug>