International Chemical Identifier
The IUPAC International Chemical Identifier (InChI /ˈɪntʃiː/IN-chee or /ˈɪŋkiː/ING-kee) is a textual identifier for chemical substances, designed to provide a standard and human-readable way to encode molecular information and to facilitate the search for such information in databases and on the web. Initially developed by IUPAC and NIST during 2000–2005, the format and algorithms are non-proprietary. The continuing development of the standard has been supported since 2010 by the not-for-profit InChI Trust, of which IUPAC is a member. The current version is 1.04 and was released in September 2011.
Prior to 1.04, the software was freely available under the open source LGPL license, but it now uses a custom license called IUPAC-InChI Trust License.
Read more about International Chemical Identifier: Overview, Format and Layers, Examples, InChIKey, InChI Resolvers, Name, Continuing Development
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