Sites

Organic Compounds Database (Popularity: )
http://www.colby.edu/chemistry/cmp/cmp.html
Search the database by melting point, boiling point, index of refraction, molecular weight, formula, UV absorption wavelengths, mass spectral peaks, and/or chemical types.

ChemKey Search (Popularity: )
http://euch6f.chem.emory.edu/
Organic synthetic method database with thousands of references. Free demo and ordering information available.

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

Physiochemical Properties of Popular Liquids (Popularity: )
http://www.trimen.pl/witek/ciecze/liquids.html
Physical properties of over seventy popular solvents and liquids. Sort in ascending or descending order of the desired criteria.

Ecdybase (The Ecdysone Handbook) (Popularity: )
http://ecdybase.org/
A free online ecdysteroids database. Includes ecdysteroid containing products catalogue.

MDL Information Systems GmbH (Popularity: )
http://www.beilstein.com/
Official homepage of the database provider. Contains client software, manuals and links relevant to the CrossFire database.

Enzyme Nomenclature Database (ExPASy) (Popularity: )
http://www.expasy.org/enzyme/
A repository of information relative to the nomenclature of enzymes.