What Is The Shelf Life Of Nembutal?

What Is The Shelf Life Of Nembutal? Akorn Inc., the pharmaceutical company that bought Lundbeck’s Nembutal business in 2011, says the drug has an effective shelf life of 24 months. What is the drug Nembutal used for? Nembutal (pentobarbital sodium) is a barbiturate that acts as a depressant, or sedative, used short-term to treat insomnia.