Substances from 1971, so the signatory countries to these international drug control treaties are not required by these treaties to control CBN. United States According to the 2018 Farm Bill, extracts from the Cannabis sativa L. plant, including CBN, are legal under US federal law as long as they have a delta-9 Tetrahydrocannabinol (THC) concentration of 0.3 percent or less. and sales or possession of CBN could potentially be prosecuted under the Federal Analogue Act. References External links Erowid Compounds found in Cannabis sativa Phytocannabinoids Natural phenols Benzochromenes CB1 receptor agonists CB2 receptor agonists