Heroin A narcotic analgesic that may be habit-forming. It is a controlled substance (opium derivative) listed in the U.S. Code of Federal Regulations, Title 21 Parts 329.1, 1308.11 (1987). Sale is forbidden in the United States by Federal statute. (Merck Index, 11th ed)
[(Science: chemical) (5 alpha,6 alpha)-7,8-didehydro-4,5-epoxy-17-methylmorphinan-3,6-diol diacetate (ester). a narcotic analgesic that may be habit-forming. It is a controlled substance (opium derivative) listed in the u.s. code of federal regulations, title 21 parts 329.1, 1308.11 (1987). Sale is forbidden in the united states by federal statute. (merck index, 11th ed) Pharmacological action: analgesics, opioid, narcotics. chemical name: Morphinan-3,6-diol, 7,8-didehydro-4,5-epoxy-17-methyl- (5alpha,6alpha)-, diacetate (ester)
[1. An alkaloid, prepared from morphine by acetylation; rapidly metabolized to morphine in the body; formerly used for the relief of cough. Except for research, its use in the U.S. is prohibited by federal law because of its potential for abuse.