CAS provides pathways to published research in the world's journal and patent literature?virtually everything relevant to chemistry plus a wealth of information in the life sciences and a wide range of other scientific disciplines back to the beginning of the 20th century. Since 1907, CAS has indexed and summarized chemistry-related articles from more than 40,000 scientific journals, in addition to patents, conference proceedings and other documents pertinent to chemistry, life sciences and many other fields. In total, abstracts for more than 23 million documents are accessible online through CAS. SciFinder and SciFinder Scholar desktop research tools can be used to explore and search the CAS Substance identification is a special strength of CAS. SciFinder Scholar is a desktop research tool that provides campus-wide access to the worlds largest and most comprehensive databases of chemistry, biotechnology, engineering, life sciences and related sciences from CAS, with an ease of use never before. With SciFiner Scholar as a one single source, you can explore scientific information in several unique ways.