Category:
Prophylactic Biological Products
CAS NO:
75706-12-6
Standard:
USP,
/
Leflunomide is a synthetic immunosuppressive agent primarily used in the treatment of rheumatoid arthritis. Its core manufacturing process involves the condensation of 4-chloro-5-methylpyrazole with malononitrile. The chemical formula is C12H9FN2O3 and its CAS registry number is 75706-12-6.
Contraindicated in pregnancy due to teratogenic risks; requires strict contraception. Store in a cool, dry place away from direct sunlight. Handle with protective equipment to avoid inhalation or skin contact during industrial processing.