This database is freely available to the general public via the Internet.

ChemSpider, owned by the Royal Society of Chemistry, is a free chemical structure database providing fast access to over 67 million structures, properties, and associated information. By integrating and linking compounds from hundreds of high-quality data sources, ChemSpider enables researchers to discover the most comprehensive view of freely available chemical data from a single online search.

ChemSpider builds on the collected sources by adding additional properties, related information, and links back to original data sources. ChemSpider offers text and structure searching to find compounds of interest and provides unique services to improve this data by curation and annotation, and to integrate it with users’ applications.

Need a hand?

• For assistance using ChemSpider, please contact your subject librarian.
• Online help topics from ChemSpider are available for additional assistance.

Varies by source.