Chemistry World is the print and online magazine of the Royal Society of Chemistry, the largest organisation in Europe for advancing the chemical sciences. With news, features, opinion, podcasts and the latest job advertisements, it's the best way to keep up to date with the global chemical sciences community.
From the Royal Society of Chemistry, ChemSpider is a free chemical structure database providing fast access to over 40 million structures, properties, and associated information. By integrating and linking compounds from ~500 data sources, ChemSpider enables researchers to discover the most comprehensive view of freely available chemical data from a single online search.
PubChem provides information on the biological activities of small molecules. PubChem is organized as three linked databases: PubChem Substance, PubChem Compound, and PubChem BioAssay. PubChem also provides a fast chemical structure similarity search tool.