A77 1726Dihydrorotate dehydrogenase inhibitorPhysiologically active metabolite of the immunosuppressive drug leflunomide (Prod. No. ALX-430-095). Inhibits the activity of dihydrorotate dehydrogenase and of protein tyrosine kinases. Blocks TNF-mediated NF-κB activation in a dose- and time-dependent manner. Also inhibits the activity of cyclooxygenase-2 (COX-2) in vitro and in vivo.Product SpecificationAlternative Name: N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide, 2-Cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]-2-butenamideFormula: C12H9F3N2O2 MW: 270.2 CAS: 108605-62-5 Purity: ≥98% (HPLC) Identity: Identity determined by NMR, IR and MS. Appearance: White solid. Solubility: Soluble in DMSO. Long Term Storage: +4°C Handling: Protect from light. Keep under inert gas.