Carfentanil is an ultra-potent synthetic opioid. These substances can come in several forms, including powder, blotter paper, tablets, and spray – they can be ..
A unit of carfentanil is 100 times as potent as the same amount of fentanyl, 5,000 times as potent as a unit of heroin and 10,000 times as potent as a unit of morphine.