Top Databases for Scholarly Literature, including Articles, Conference Papers, etc.
PubMed
Provides access to over 16 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s.
SciFinder (to register, use this link: columbia.edu/cgi-bin/cul/resolve?clio6702921.999)
Provides access to the Chemical Abstract Service (CAS) databases of chemical literature and U.S. and foreign chemical-related patents, to CASREACT, to the Registry database from CAS, and to Medline.
Scopus
Excellent source for citation searching or finding original articles in chemistry.
Web of Science
Scholarly articles in all disciplines, including chemistry. This database can also be used to identify articles that cite an author or article that you specify, and for various kinds of citation analysis.