The InChI Trust Launched to Develop the Open Source Chemical Structure Representation Algorithm
News Jul 27, 2009
The InChI Trust, a not-for-profit organization to expand and develop the InChI Open Source chemical structure representation algorithm, is formally launched this week. Originally developed by the International Union of Pure and Applied Chemistry (IUPAC), the IUPAC International Chemical Identifier (InChI) is an alpha-numeric character string generated by an algorithm. The InChI was developed as a new, non-proprietary, international standard to represent chemical structures.
The Trust aims to develop and improve on the current InChI standard, further enabling the interlinking of chemistry and chemical structures on the web. The connection with IUPAC is maintained through IUPAC's InChI Subcommittee.
The InChI algorithm turns chemical structures into machine-readable strings of information. InChIs are unique to the compound they describe and can encode absolute stereochemistry Machine-readable, the InChI allows chemistry and chemical structures to be navigable and discoverable. A simple analogy is that InChI is the bar-code for chemistry and chemical structures. The InChI format and algorithm are non-proprietary and the software is open source, with ongoing development done by the community.
"The goal of the InChI Trust", says Project Director Stephen Heller "is to continue to develop the InChI and InChIKey, the condensed machine-searchable version, as a tool to enable widescale linking of chemical information."
The InChI Trust was formally incorporated in the UK in May 2009, and now has 6 charter members: The Royal Society of Chemistry, Nature Publishing Group, FIZ-Chemie Berlin, Symyx Technologies, Taylor & Francis and OpenEye. Further organizations and publishers are in the process of joining the InChI Trust.
"Nature Publishing Group is delighted to be a charter member of the InChI Trust", says Jason Wilde, Publisher for the Physical Sciences, Nature Publishing Group. "We view the ongoing maintenance of the InChI algorithm, and the resulting adoption of InChI, as important for the development of chemistry communication. The interlinking that the InChI offers between journal content and databases ensures that chemistry is the first truly web-enabled scientific discipline."
"The InChI has already gained a wide user base," says Richard Kidd, Informatics Manager at the Royal Society of Chemistry, "and the Trust will ensure continuing development and support for this key standard, helping to link together chemical resources across the internet. The RSC is proud to support the InChI Trust."
Since the introduction of the InChI in 2005, there has been widespread take-up of InChI standards by public databases and journals. Today, there are more than 100 million InChIs in scientific literature and products.
To date, numerous databases, journals, and chemical structure drawing programs have incorporated the InChI algorithm. These include the NIST WebBook and mass spectral databases, the NIH/NCBI PubChem database, the NIH/NCI database, the EBI chemistry database, ChemSpider, Symyx Draw and many others.
The initiative serves chemists, publishers, chemical software companies, chemical structure drawing vendors, librarians, and intermediaries by creating an international standard to represent defined chemical structures. This provides a consistent, credible and compatible way for databases of chemical structures to be linked together for the benefit of users of chemical information around the world.
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