PubChem is organized as three linked databases within the NCBI's Entrez information retrieval system. These are PubChem Substance, PubChem Compound, and PubChem BioAssay. PubChem also provides a fast chemical structure similarity search tool.
Publisher Web Sites
Many journal publishers include abstracts of current and retrospective articles on their web sites. This can often be the easiest way to browse current content. Be sure to check our journals list and Interlibrary Loan before paying for access.