3,4-Diaminopyridine

3,4-Diaminopyridine (3,4-DAP), also known as amifampridine, is a prescription medication mainly used to treat the muscle weakness and fatigue associated with various neuromuscular junction disorders. It works by blocking potassium channels in nerve terminals, which increases the release of acetylcholine, a key neurotransmitter. The directory classifies it as a commercial API with a synthetic source/manufacturing origin. Other names for this substance include Amifampridine, Dynamine and Ruzurgi. Its PubChem CID is 5918.