InChI Software Downloads

InChI: code for the latest beta and previous releases back to 1.03 is now publicly available at our GitHub repository

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RInChI version 1.00

Download the RInChI version 1.00 (23 March 2017) In 2011, the first prototype of RInChI was introduced as version 0.02 based on Python programming (Grethe, Goodman, & Allen, 2013). To make the resulting libraries comparable with InChI deliveries, to increase the search ability of RInChIKeys in the Web by the introduction of the Web-RInChIKey and to fix a number of bugs and development gaps in the former version this new version (version number 1.00) has been created.
      • RInChI V1-00-0.pdf – RInChI release documentation, also included in the download zip (March 2017).

    InChI FAQ

    The InChI FAQ attempts to answer common questions on InChI-related concepts and the structure and meaning of InChIs. Where possible it quotes directly from the official IUPAC/InChI Trust sites and the distribution. The description of InChI in this FAQ corresponds now to the latest software release and the latest official documentation. Most of the examples use Standard InChI & InChIKey. The InChI FAQ is viewable online in two formats:
      It may also be downloaded in DOC format:   Find out about the Certification Suite here.