RInChI (rinchi)

The Reaction InChI

The Reaction InChI (or RInChI) is intended to be a unique string that describes a reaction. This may be useful for indexing and searching reaction databases. As with the InChI it is recommended that you always keep the original reaction information and use the RInChI in addition.

The RInChI format is a hierarchical, layered description of a reaction with different levels based on the Standard InChI representation of each structural component participating in the reaction.


This is a write-only format.

Write Options


Treat this reaction as an equilibrium reaction

Layer 5 of the generated RInChI will have /d=