InChIs in ZINC15
ZINC15 supports InChI and InChIKeys.
InChI and InChI key are now displayed on every molecule detail page, for instance
You can search by InChI and InChIKey using the Search home page:
For instance, you can paste an InChI into the Draw/Search Structure field: e.g.
and then click on "Exact", "Substructure" or either similarity metric.
You can see how to do this query in wget by looking at the resulting URL, e.g.
InChIKey searching is currently broken in the GUI (as of Dec 8, 2015). We will fix it for the end-of-week release.
The URLs are supported and work, e.g.