A comprehensive database of the marine natural products literature, covering new and revised structures, synthesis, ecology and biological activities. Features flexible searching and powerful dereplication tools based on predicted and experimental data.
For over 120 years, the most authoritative and reliable source of information on chemicals, drugs and biologicals. Now available online and fully searchable with over 11,500 monographs, including new and historical records not available in the print edition.
A free database of over 50 million chemical structures, properties, and associated information. ChemSpider integrates data from hundreds of sources, and includes additional properties, related information, and links back to original data sources.
Graphical abstracts of advances in organic synthesis, including reaction schemes. Entries indexed by reaction, reactant, reagent and product.
National Chemical Database Service
The Royal Society of Chemistry hosts the National Chemical Database Service for the UK academic community. This is an EPSRC-funded facility which allows free access to a suite of commercial databases for UK university staff and students.
*The name THE MERCK INDEX is owned by Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Whitehouse Station, N.J., U.S.A., and is licensed to The Royal Society of Chemistry for use in the U.S.A. and Canada.