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UNODC produces a broad range of publications in our areas of work.
All documents are in pdf format, unless otherwise specified.
Similar to controlled narcotic drugs and psychotropic substances, Precursors and Chemicals appear under a wide variety of names, particularly in commerce and in the technical literature. This complicates the task of national and international drug control authorities and a series of multilingual dictionaries have been developed primarily to help these authorities.
The first multilingual list of substances under international control published in 19581, was limited to narcotic drugs. In 19832, the first edition of the Multilingual Dictionary of Narcotic Drugs and Psychotropic Substances under International Control (MLD) was published with extended the coverage to psychotropic substances. Subsequent editions (19933 and 20064) incorporate the data contained in the previous editions, together with the most recent information.
The Multilingual Dictionary of Precursors and Chemicals Frequently Used in the Illicit Manufacture of Narcotic Drugs and Psychotropic Substances under International Control, covering the scheduled substances listed in the tables of 1988 Convention, has been developed using the same principles, criteria and format applied to the Multilingual Dictionary of Narcotic Drugs and Psychotropic Substances under International Control, and completes this set of international drug dictionaries. The four-part dictionary provides individual monographs on the substances under international control; an alphabetical cross- index of the names included in the monographs; bilingual lists of all scheduled substances in French, Spanish, Arabic, Chinese and Russian, each translated from and to English5 and finally information on the international regime of control, providing details on the scheduling history and the control status of the substances concerned.
