ChemKey Search Organic synthetic method database with thousands of references. Free demo and ordering information available. http://euch6f.chem.emory.edu/
Ecdybase (The Ecdysone Handbook) A free online ecdysteroids database. Includes ecdysteroid containing products catalogue. http://ecdybase.org/
Enzyme Nomenclature Database (ExPASy) A repository of information relative to the nomenclature of enzymes. http://au.expasy.org/enzyme/
MDL Information Systems GmbH Official homepage of the database provider. Contains client software, manuals and links relevant to the CrossFire database. http://www.beilstein.com/
Organic Compounds Database Search the database by melting point, boiling point, index of refraction, molecular weight, formula, UV absorption wavelengths, mass spectral peaks, and/or chemical types. http://www.colby.edu/chemistry/cmp/cmp.html
Physiochemical Properties of Popular Liquids Physical properties of over seventy popular solvents and liquids. Sort in ascending or descending order of the desired criteria. http://www.trimen.pl/witek/ciecze/liquids.html
Help build the largest human-edited directory on the web.