The IUPAC Guiding Principles define what it means to do chemistry responsibly in the 21st century, with transparency, equity, accountability, and sustainability at the core.

Founded in 1919, IUPAC has been creating the common language of chemistry for more than a century. IUPAC is a leader in the provision of objective scientific expertise for the resolution of critical global …

The International Union of Pure and Applied Chemistry (IUPAC) is the world authority on chemical nomenclature, terminology (including the naming of new elements in the periodic table), standardized …

While IUPAC has no recommendation for a specific form of the periodic table, i.e. 18-column or 32-column format, the version here presented is in the conventional long form and is yours to use.

IUPAC is the universally-recognized authority on chemical nomenclature and terminology and two IUPAC bodies take leading roles in this activity: Division VIII – Chemical Nomenclature and Structure …

IUPAC was formed in 1919 by chemists from industry and academia, who recognized the need for international standardization in chemistry.

Apr 4, 2003 · IUPAC is recognized as the world authority on chemical nomenclature, terminology, standardized methods for measurement, atomic weights and many other critically evaluated data.

Apr 18, 2007 · IUPAC was formed in 1919 by chemists from industry and academia. Over nearly eight decades, the Union has succeeded in fostering worldwide communications in the chemical sciences …

May 30, 2007 · Almost 1200 chemists throughout the world are engaged on a voluntary basis in the scientific work of IUPAC. Most of the scientific work of the Union is undertaken under the eight …

Welcome to the new interactive version of IUPAC Compendium of Chemical Terminology, informally known as the "Gold Book". On these pages you will find a new browsable, version of this publication.