News articles on the Identifier are listed below:

InChIs and Registry Numbers, Leigh, J., Chem. Int., Nov. 2012, Vol. 34, No. 6, p. 23;

InChI makes Chemical Structural Formulae on the Internet Visible to all Search Engines, V. Vogt-Herrmann, Informationsdienst Wissenschaft, 11 Aug 2010

IUPAC and the InChI Trust agree upon Conditions for Collaboration, Chem Int, July 2010, Vol. 32, No. 4;

The IUPAC International Chemical Identifier (InChI), by Stephen R. Heller and Alan D. McNaught, Chem Int, Jan. 2009, p. 7;
— Use of InChI and InChIKey in the XML Gold Book, by Bedrich Kosata, Chem Int, Jan 2009, p. 9,  (PDF)

The IUPAC International Chemical Identifier, Wendy A. Warr, QSAR World, December 2008

InChI searching on, Pharmaceutical Technology, 13 March 2007,

At last! URIs for InChI, CrossTech, 19 February 2007,

Tools of the Trade, Chem Int, Nov. 28, No. 6, Nov 2006 (PDF)
— InChI-A New Standard for Molecular Informatics by Alan McNaught (p. 12)
— Using InChI by Jeremy G. Frey (p. 14)

Chemical ‘Naming’ Method Unveiled, Chem. & Eng. News, 22 Aug 2005 [link to C&EN]

International chemical identifier goes online, Chem. World, 16 May 2005 [link to CW]

InChI FAQ, by Nick Day (Unilever Centre for Molecular Informatics, Cambridge University)

That INChI feeling, Reactive Reports, issue 40, Sep 2004 Unique labels for compounds, Chem. & Eng. News, 2 Dec 2002

Chemists synthesize a single naming system, Nature, 23 May 2002

That IChI feeling … The Alchemist, 24 Apr 2002

What’s in a Name?  The Alchemist, 21 Mar 2002