SciFinder Scholar Covers general chemistry and chemistry-related disciplines such as biochemistry, materials science, physical chemistry, pharmacy and chemical engineering. Indexes over 8,000 journals, patents worldwide, technical reports, conference proceedings, books, and dissertations, and contains over 16 million abstracts. In addition, it provides compound identification. The registry file contains more than 22 million substance records, including more than 16 million organic compounds and 3 million biosequences.