My latest column on QSARWorld.com describes the state-of-the-art of the IUPAC Chemical Identifier, InChI. http://www.qsarworld.com/INCHI1.php The previous column covered cheminformatics education. http://www.qsarworld.com/cheminformatics-education.php Wendy Dr. Wendy A. Warr Wendy Warr & Associates 6 Berwick Court, Holmes Chapel Cheshire, CW4 7HZ, England Tel./fax +44 (0)1477 533837 [log in to unmask] http://www.warr.com