Search Page Overview
	Easy Search
	Advanced Search
	CAS Number Search
	Patent Lookup Overview
                                Patent Searching with Patent Lookup
	Defined Searches
	Saved Search Terms for Recall

Categories of Databases
	Understanding Databases
	STNEasy Database Summary Sheets

Guidelines for Searching
	Right Truncation
	Browse Index
		More Details about Browse Index
	Boolean Operators
	Quotation Marks
	Stop Words
	STN Command-Line Syntax
	Molecular Formulas
	Searching Patent with Patent Lookup