Molecule Details
InChIKeyVHOGYURTWQBHIL-UHFFFAOYSA-N
Compound NameLeflunomide
Canonical SMILESCc1oncc1C(=O)Nc1ccc(C(F)(F)F)cc1
Clinical Status Data-mined Candidate
Targets (Human+Pathogen)2
Pfam Stratification Cross-Family
Avg pChEMBL6.2
SourceChEMBL;BindingDB
2D Structure
2D structure
Activity Profile
DrugBank Annotations
DrugBank ID DB01097
Drug NameLeflunomide
CAS Number75706-12-6
Groups approved investigational
ATC Codes L04AK01
DescriptionLeflunomide is a pyrimidine synthesis inhibitor belonging to the DMARD (disease-modifying antirheumatic drug) class of drugs, which are chemically and pharmacologically very heterogeneous. Leflunomide was approved by FDA and in many other countries (e.g., Canada, Europe) in 1999.

Categories: Adjuvants Agents Causing Muscle Toxicity Antineoplastic and Immunomodulating Agents Antirheumatic Agents BCRP/ABCG2 Substrates Cytochrome P-450 CYP1A2 Substrates Cytochrome P-450 CYP2C9 Inhibitors Cytochrome P-450 CYP2C9 Inhibitors (strength unknown) Cytochrome P-450 CYP2C9 Substrates Cytochrome P-450 Enzyme Inhibitors Cytochrome P-450 Substrates Dihydroorotate dehydrogenase (DHODH) inhibitors Disease-modifying Antirheumatic Agents Enzyme Inhibitors Hepatotoxic Agents Immunologic Factors Immunosuppressive Agents Isoxazoles Selective Immunosuppressants
Cross-references: BindingDB: 50054601 ChEBI: 6402 CHEMBL960 ChemSpider: 3762 Drugs Product Database (DPD): 11980 C07905 D00749 PharmGKB: PA450192 PubChem:3899 PubChem:46506013 RxCUI: 27169 Therapeutic Targets Database: DAP000636 Wikipedia: Leflunomide ZINC: ZINC000000004840
Target Activities (2)
Target Gene Organism Category Pfam pChEMBL Type Source
P05177 CYP1A2 Homo sapiens Human PF00067 6.3 IC50 ChEMBL
Q02127 DHODH Homo sapiens Human PF01180 6.1 IC50 ChEMBL;BindingDB
DrugBank Target Actions (8)
Target Gene Target Name Action Type
P11712 CYP2C9 Cytochrome P450 2C9 inhibitor enzymes
P05177 CYP1A2 Cytochrome P450 1A2 substrate enzymes
P11712 CYP2C9 Cytochrome P450 2C9 substrate enzymes
P35869 AHR Aryl hydrocarbon receptor agonist targets
Q14289 PTK2B Protein-tyrosine kinase 2-beta antagonist targets
Q02127 DHODH Dihydroorotate dehydrogenase (quinone), mitochondrial inhibitor targets
Q08210 Dihydroorotate dehydrogenase (quinone), mitochondrial inhibitor targets
Q9UNQ0 ABCG2 Broad substrate specificity ATP-binding cassette transporter ABCG2 substrate transporters