Levodopa EP Impurity B with CAS No: 60-18-4 is an impurity standard of Levodopa. Levodopa is also known as L-DOPA is a medication commonly used in the treatment of Parkinsons disease and dopamine-responsive dystonia.Levodopa is one of the primary drugs used to manage the symptoms of these neurological conditions. Buy high quality Levodopa EP Impurity B from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Levodopa EP Impurity B