ChemSpider (Royal Society of Chemistry) – a free chemical structure database providing fast text and structure search access to over 30 million structures from hundreds of data sources. Results link to databases (Analytical Abstracts, PubMed, etc), vendors and more. Search by names, structure, registry number etc. Apps for iPod and Android are available.
eMIMS Online – pharmaceutical product information including prescribing information, consumer information and product images for pharmaceuticals available in Australia.
PubChem (NCBI) – provides information on the biological activities of small molecules. Search three linked databases - Substance, Compound & BioAssay - using compound names, structures, synonyms or keywords. Records include physical properties and links to safety, literature, etc.