Major commercial vendors of research chemicals often have substructure search capability on their web sites and link to other standard chemical references.
The Kirk Othmer Encyclopedia of Chemical Technology is located in the FAMU COLEMAN LIBRARY Reference Collection -2nd floor TP9.E685
Inter-Active Teminology for Europe (IATE) is the inter-institution terminology database of the European Union
Full text PDF's of peer-reviewed journal articles are generally available for post-2000 publications. Pre-2000 publications are not always digitized and abstracts may be found through database aggregators.