International chemical identifier for reactions (RInChI)

Journal Article
Change log
Grethe, Guenter 
Blanke, Gerd 
Kraut, Hans 
Goodman, Jonathan M 

Abstract The Reaction InChI (RInChI) extends the idea of the InChI, which provides a unique descriptor of molecular structures, towards reactions. Prototype versions of the RInChI have been available since 2011. The first official release (RInChI-V1.00), funded by the InChI Trust, is now available for download (

            ). This release defines the format and generates hashed representations (RInChIKeys) suitable for database and web operations. The RInChI provides a concise description of the key data in chemical processes, and facilitates the manipulation and analysis of reaction data.

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