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Drug precursors, also referred to as precursor chemicals or simply precursors, are substances used to manufacture illicit drugs. Most precursors also have legitimate commercial uses and are legally used in a wide variety of industrial processes and consumer products, such as medicines, flavourings, and fragrances.
It also maintains List I of chemicals and List II of chemicals, which contain chemicals that are used to manufacture the controlled substances/illicit drugs. The list is designated within the Controlled Substances Act [ 1 ] but can be modified by the U.S. Attorney General as illegal manufacturing practices change.
European law on illicit drug precursors: Regulation (EC) No 273/2004 of the European Parliament and of the Council of 11 February 2004 on drug precursors (contains list of substances) Council Regulation (EC) No 111/2005 of 22 December 2004 laying down rules for the monitoring of trade between the Union and third countries in drug precursors.
List of various substances that are either psychoactive themselves or serve as precursors to psychoactive compounds, all sourced from genetically modified organisms (GMOs). Psychoactive substances [ edit ]
INCB "Yellow list" – List of Narcotic Drugs under International Control [5] Chemical Weapons Convention, 1997; UN Convention on Drug Precursor Chemicals [6] INCB "Red list" – List of Chemicals frequently used in the Illicit Manufacture of Narcotic Drugs and Psychotropic Substances under International Control [7]
The three treaties are complementary and mutually supportive. [1] They serve to maintain a classification system of controlled substances, including psychoactive drugs and plants, and chemical precursors, to ensure the regulated supply of those substances determined to be useful for medical and scientific purposes, and to otherwise prevent production, distribution and use, with some limited ...
The drug or other substance has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse of the drug or other substances may lead to severe psychological or physical dependence. The complete list of Schedule II substances is as follows.
In chemistry, a precursor is a compound that participates in a chemical reaction that produces another compound. In biochemistry , the term "precursor" often refers more specifically to a chemical compound preceding another in a metabolic pathway , such as a protein precursor .