Administrative Controlled Substances Code Number (ACSCN) is a number assigned to drugs listed on the schedules created by the US

Controlled Substances Act The Controlled Substances Act (CSA) is the statute establishing federal U.S. drug policy under which the manufacture, importation, possession, use, and distribution of certain substances is regulated. It was passed by the 91st United States ...

(CSA). The ACSCN is defined in 21 CFR § 1308.03(a). Each chemical/drug on one of the schedules is assigned an ACSCN (for example,

heroin Heroin, also known as diacetylmorphine and diamorphine among other names, is a potent opioid mainly used as a recreational drug for its euphoric effects. Medical grade diamorphine is used as a pure hydrochloride salt. Various white and bro ...

is assigned 9200). The code number is used on various documents used in administration of the system mandated by the CSA. ACSCN tables include the CSA schedule, common alternative chemical and trade names, and the free base conversion ratio (the

molecular mass The molecular mass (''m'') is the mass of a given molecule: it is measured in daltons (Da or u). Different molecules of the same compound may have different molecular masses because they contain different isotopes of an element. The related quant ...

of the substance in question divided by the molecular mass of the free base). This is used to make meaningful qualitative comparisons between substances, and labeling of the end product may, as is required in many European countries, list the active substance using both (e.g. "each tablet contains 120 mg dihydrocodeine bitartrate, representing 80 mg dihydrocodeine base"). This method of citation is in theory compulsory worldwide for substances in Schedule I of the

Single Convention on Narcotic Drugs The Single Convention on Narcotic Drugs, 1961 (Single Convention, 1961 Convention, or C61) is an international treaty that controls activities (cultivation, production, supply, trade, transport) of specific narcotic drugs and lays down a syste ...

1961, a classification corresponding to

opioids Opioids are substances that act on opioid receptors to produce morphine-like effects. Medically they are primarily used for pain relief, including anesthesia. Other medical uses include suppression of diarrhea, replacement therapy for opioid u ...

in US Schedule II with

Narcotic The term narcotic (, from ancient Greek ναρκῶ ''narkō'', "to make numb") originally referred medically to any psychoactive compound with numbing or paralyzing properties. In the United States, it has since become associated with opiates ...

classification plus

cocaine Cocaine (from , from , ultimately from Quechua: ''kúka'') is a central nervous system (CNS) stimulant mainly used recreationally for its euphoric effects. It is primarily obtained from the leaves of two Coca species native to South Am ...

(which inherited a narcotic designation from the 1931 Convention for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs and preceding treaties and national laws including the 1914 Harrison Narcotics Tax Act) and German

Betäubungsmittelgesetz The Betäubungsmittelgesetz (BtMG), generally meaning Narcotics Law, is the controlled substances law of Germany. In common with the Misuse of Drugs Act of 1971 of the United Kingdom and Controlled Substances Acts of the US and Canada, it is a ...

(BtMG) Schedule I and so on. This is also the case for Single Convention Schedule IV, which roughly corresponds to the United States' CSA Schedule I. and CSU Schedule

List of schedules

For a complete list, see the list of schedules:DEA Office for Diversion Control WWW page * List of Schedule I drugs (US) * List of Schedule II drugs (US) * List of Schedule III drugs (US) * List of Schedule IV drugs (US) * List of Schedule V drugs (US) * List of List 1 reagents and raw materials * List of List 2 reagents and raw materials

References

*Text of Single Convention On Narcotic Drugs 1931 (English). also cited in Wikipedia article on Single Convention, courtesy UNODC web site, retrieved 30. April 2014 *21 CFR § 1308.03(a) *DEA Office of Diversion Control WWW site, retrieved 26. April 2014 *German-language text of Österreichische Suchtmittelgesetz, retrieved 3. May 2014 § 27 *German-language text of Deutsche Betäungsmittelgesetz, retrieved 2. May 2014 *Innerhalb Betäubungsmittel, IV. Auflage (Wien, 8. February 2002), Tabelle 2C, Seite 116 (Deutsch) / Line 3819 in HTML-Version Copyright © Medical 4. January 1999 *2014, CCRPP Press Office Zagreb, Croatia—retrieved 4. January 2014 *Office of Narcotics Control & You: The Inside Dope (General Membership Manual of the NCOTCL, First Edition, 21. May 1990 *Proceedings for the 8. March 2002 meeting of NCOTCL North American Section *2014 CCRPP Press Office Zagreb, Croatia—retrieved 4. January 2014 Controlled Substances Act {{drug-stub