it is not illegal, even erowid says "If you have information about the legal status of this substance in any other country, please let us know."...lol
"... Then came the discovery that adrenochrome, which is a product of the decomposition of adrenalin, can produce many of the symptoms observed in mescalin intoxication. But adrenochrome probably occurs spontaneously in the human body. In other words, each one of us may be capable of manufacturing a chemical, minute doses of which are known to cause Profound changes in consciousness. ..."

--Aldous Huxley
Doors of Perception