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Leflunomide is an inhibitor of dihydroorotate dehydrogenase with IC50 of 2.5 μM. Leflunomide inhibits de novo pyrimidine synthesis in human T-cells in vitro. Leflunomide also inhibits lymphocyte proliferation. The inhibition of human DHODH by A77 1726, the active metabolite of leflunomide, occurs at levels (approximately 600 nM) that are achieved during treatment of rheumatoid arthritis (RA).
| Molecular Weight | 270.21 |
| Formula | C12H9F3N2O2 |
| CAS Number | 75706-12-6 |
| Solubility (25°C) | DMSO 40 mg/mL Ethanol 10 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related DHODH Products |
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| Teriflunomide
Teriflunomide is the active metabolite of leflunomide, inhibiting pyrimidine de novo synthesis by blocking the enzyme dihydroorotate dehydrogenase, used as an immunomodulatory agent. |
| Vidofludimus
Vidofludimus (4SC-101; SC12267) is an immunosuppressant that inhibits DHODH and inhibits il-17 secretion without affecting lymphocyte proliferation. |
| Brequinar
Brequinar is an effective Dihydroorotate Dehydrogenase (DHODH) inhibitor with an IC50 of 5.2 nM for human DHODH, and a broad-spectrum antiviral agent. |
| Orludodstat (BAY-2402234)
BAY-2402234 is a potent and selective dihydroorotate dehydrogenase (DHODH) inhibitor for the treatment of myeloid malignancies, with an IC50 of 1.2 nM. |
| AG-636
AG-636 is a potent, reversible, selective and orally active dihydroorotate dehydrogenase (DHODH) inhibitor,IC50 17 nM. AG-636 has strong anti-cancer effects. |
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