Mescaline of the genus "Echinopsis" are technically controlled substances under the Controlled Substances Act, they are commonly sold publicly as ornamental plants. In the United Kingdom, mescaline in purified powder form is a Class A drug. However, dried cactus can be bought and sold legally. Mescaline is considered a schedule 9 substance in Australia under the Poisons Standard (October 2015). A schedule 9 substance is classified as "Substances with a high potential for causing harm at low exposure and which require special precautions during manufacture, handling or use. These poisons should be available only to specialised or authorised users who have
Isoproscaline mechanism of action shared by all of the hallucinogenic tryptamines and phenethylamines. The toxicity of isoproscaline is not known. Isoproscaline is unscheduled and unregulated in the United States, however because of its close similarity in structure and effects to mescaline, possession and sale of isoproscaline may be subject to prosecution under the Federal Analog Act. In the UK its highly likely that this compound would be covered by the "phenylethylamine amendment" to the misuse of drugs act likely rendering it (probably) a Class A controlled drug. Isoproscaline Isoproscaline or 4-(i)-propoxy-3,5-dimethoxyphenethylamine is an analogue of mescaline. It is closely related to