Drug
Heroin, also known as diamorphine among other names, is an opioid most commonly used as a recreational drug for its euphoric effects. Medically it is used in several countries to relieve pain or in opioid replacement therapy.
Formula: C21H23NO5
IUPAC ID: (5α,6α)-7,8-didehydro-4,5-epoxy-17-methylmorphinan-3,6-diol diacetate
Addiction liability: High
Onset of action: Within minutes
Duration of action: 4 to 5 hours
Metabolism: liver
Biological half-life: 2–3 minutes