IUPAC

IUPAC is the International Union of Pure and Applied Chemistry, a global organization that develops standards for chemical nomenclature, terminology, measurement, and data.

IUPAC nomenclature: The systematic rules IUPAC publishes for naming chemical substances. This is IUPAC’s best-known standard, turning molecular structures into consistent names.
International Association of Chemical Societies: An early international federation of chemical societies founded in 1911 to promote cooperation in chemistry. This organization laid groundwork for the international chemical union established after World War I.
Alfred Werner: A Swiss chemist who developed coordination chemistry and received the 1913 Nobel Prize in Chemistry. Werner chaired early international efforts to standardize inorganic chemical nomenclature.
IUPAC divisions: IUPAC’s subject-based bodies that coordinate work across major areas of chemistry. Divisions organize expert work on areas such as nomenclature, physical chemistry, and analytical chemistry.
Chemical Abstracts Service: A division of the American Chemical Society that indexes chemical literature and maintains substance databases. IUPAC naming conventions support precise indexing and retrieval of chemical substances.
Preferred IUPAC name: The single name selected under IUPAC rules as the preferred systematic name for a chemical entity. IUPAC’s preferred-name rules help resolve cases where several systematic names are possible.
International Union of Pure and Applied Chemistry founding: The establishment of IUPAC in 1919 by national chemical organizations seeking international scientific coordination. The founding formalized international cooperation on chemical standards and communication.
Nobel Prize in Chemistry: An annual international award recognizing major contributions to chemistry. IUPAC and the Nobel organization have collaborated on recognizing achievements in chemistry.
IUPAC commissions: Expert groups established by IUPAC to address defined scientific topics and standards. Commissions historically produced specialized recommendations before organizational restructuring.
PubChem: A public database of chemical molecules and their activities maintained by the U.S. National Library of Medicine. IUPAC identifiers and naming information help link chemical records across databases.

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