» Abbreviations of Chemical Compounds    Searchable database.    http://www.chemie.fu-berlin.de/cgi-bin/abbscomp

» 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