Databases

The Cochrane Central Register of Controlled Trials (CENTRAL) is a highligh concentrated source of reports of randomised and quasi-randomised controlled trials. The majority of CENTRAL records are taken from bibliographic databases (mainly MEDLINE and Embase), but records are also derived from other published sources. In addition to bibliographic details (author, source, year, etc.) CENTRAL records will often include an abstract (a summary of the article). 

Search across ten chemistry dictionaries and databases, including the CRC Handbook of Chemistry & Physics. 

Combined chemical dictionary -- Dictionary of commonly cited compounds -- Dictionary of drugs -- Dictionary of inorganic and organometallic compounds -- Dictionary of natural products -- Dictionary of organic compounds -- Dictionary of Food Compounds -- Dictionary of Marine Natural Products -- Polymers, a property database -- Properties of organic compounds