More about the InChI standard

What is an InChI

Use cases 

Links to further reading 

Updates on InChI development 

Update on new features 

Project working groups 

Events and publications 


Join the community of InChI developers 

Update on new releases 

Code and web demo

Discussion groups 

What support does InChI need?

Why support InChI 

How to support 

The InChI Trust 

How we work

The InChI Trust is a charity that supports the development and promotion of the InChI standard. It works in partnership with IUPAC to update and release new extensions to and applications of InChI. The Trust is a membership organisation, governed by its Board of Trustees which includes representation from IUPAC.

The scientific design of the various tools and capabilities that comprise the InChI code are defined by the InChI Working Groups which are made up of volunteers from the InChI community with IUPAC oversight. These voluntary groups are each focused on specific areas of chemistry or tools within the InChI code. See Working Groups for details on each group and their membership.

The development of the code is coordinated by the Technical Director of the InChI Trust, together with the working groups, IUPAC and our development partners. Our development partners currently include RWTH Aachen (as part of NFDI4Chem, acknowledging funding from Volkswagen Stiftung and the Data Literacy Alliance – DALIA), and the Beilstein-Institut.

Latest news

InChI Trust Board Meeting held in Berlin (9 April 2025)

Our member Wiley hosted our Board Meeting in Berlin yesterday - many thanks for their hosting and hospitality. We covered a wide agenda - InChI's place in the wider standards environment following the recent Digital Data Standards Sustainability workshop, our evolving model to welcome in-kind contributions to the project from our development partners and others, the development roadmap of InChI and putting the right scientific and technical governance in place, and how we best communicate to our audiences. Thanks to all who contributed - colleagues from IUPAC, ACS/CAS, Chinese Chemical Society, RWTH Aachen/NFDI4Chem, Springer Nature, Wiley, RSC, NIH, Elsevier, Beilstein-Institut, ChemAxon, University of Cambridge as well as contributing funders (incl NFDI4Chem, VolkswagenStiftung and DALIA) and the developers and community that have enabled InChI so far.

    Call for abstracts - ACS Fall (18 March 2025)

    Call for abstracts for the InChI for Chemistry symposium at ACS Fall, part of the CINF programme. Deadline for abstract submission is March 31st.

    https://callforabstracts.acs.org/acsfall2025/CINF

      Sign up to join our next InChI Discussion on Jan 29th at 6pm GMT (10 January 2025)

      We'll be holding our next online InChI Discussion on Jan 29th 2025 at 6pm GMT - for details please sign up for our newsletter at the link below (if you're not already a subscriber) and joining details will be sent out beforehand. All welcome.

      Wishing all our community best wishes for 2025, with exciting new developments to look forward to early this year with the inorganics protoytpe. And thanks to our developer group from their Xmas meeting.

      https://mailchi.mp/inchi-trust/inchi-news-and-updates

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