Science.gov is a search engine for government science information and research results. Currently in its fourth generation, Science.gov provides search of more than 50 million pages of science information with just one query, and is a gateway to over 1,800 scientific Web sites.
SciFinder is the interface to the database of chemistry literature, Chemical Abstracts. It provides full-text access to the world's most comprehensive and authoritative source of substances and reactions in chemistry and related sciences. In addition to the reference, substance, reaction and supplier content found in CAS SciFinder®, CAS SciFinder-n includes relevance-ranked results, step-by-step procedures and protocols, citation mapping, biosequence searching, retrosynthetic analysis, patent landscape mapping, touch-screen enabled structure drawing and much more—all accessible in a simple, easy-to-use interface.
You must be a Calvin student in order to use this database, and you will need to request registration from this page before using the site for the first time.