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InChI - the worldwide chemical structure identifier standard

Stephen Heller*, Alan McNaught, Stephen Stein, Dmitrii Tchekhovskoi and Igor Pletnev

Author Affiliations

Department of Chemistry, InChI Trust, InChI Trust, NIST, NIST, Lomonosov Moscow State University, Moscow, Russia

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Journal of Cheminformatics 2013, 5:7  doi:10.1186/1758-2946-5-7

Published: 24 January 2013


Since its public introduction in 2005 the IUPAC InChI chemical structure identifier standard has become the international, worldwide standard for defined chemical structures. This article will describe the extensive use and dissemination of the InChI and InChIKey structure representations by and for the world-wide chemistry community, the chemical information community, and major publishers and disseminators of chemical and related scientific offerings in manuscripts and databases.