Carfentanil (also spelled Carfentanyl) is a synthetic opioid structurally similar to fentanyl but much more deadly. Carfentanyl as developed in 1974 by Janssen Pharmaceutica and marketed as an anesthetic for large animals.
Carfentanil is the generic name for Wildnil. According to the DEA website, carfentanil is a schedule II drug used by veterinarians to tranquilize large animals such as elephants. The safe level of carfentanil is unkown. According to pharmacy websites, an amount of carfentanil the size of a grain of salt can kill an adult man.
“Carfentanil is 10,000 times more potent than morphine and 100 times more potent than fentanyl. Fentany is 50 times more potent than heroin.” The lethal dose of fentanyl is 2 mg depending on the route of administration.
Carfentanil is a cheap orderless, colorless liquid that is impossible to detect. Drug traffickers are now mixing carfentanil with heroin to boost the euphoric effects of herion. It is also sold in the form of a pill.