Leflunomide EP Impurity E with CAS No: 208401-20-1 is an impurity standard of Leflunomide. Leflunomide is a medication used to treat rheumatoid arthritis, an autoimmune condition that primarily affects the joints, causing inflammation and pain. It is classified as a disease-modifying antirheumatic drug (DMARD) and works by suppressing the immune systems response that leads to joint inflammation and damage. Leflunomide can help manage the symptoms of rheumatoid arthritis and slow down the progression of the disease. Buy high quality Leflunomide EP Impurity E from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Leflunomide EP Impurity E