The 23rd International Congress on Heterocyclic Chemistry will be held at the Scottish Exhibition and Conference Centre on the banks of the river Clyde in Glasgow, Scotland, July 30 – August 4, 2011. The program will include an exciting range of cutting edge heterocyclic chemistry to reflect recent advances. The main themes will include: synthetic methodology, natural product and complex molecule synthesis, materials, medicinal chemistry, and nanochemistry. A list of speakers participating in the program can be found on the congress web site (http://www.ichc2011.com). Abstracts can now be submitted on line through the web site. Abstract guidelines and submission details (the due date is Feb. 28, 2011) are also given there.The conference chair is Professor Colin Suckling firstname.lastname@example.org .