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Chemistry: Web Resources

Free Online Resources

The CAS Source Index (CASSI) Search Tool 

The CAS Source Index (CASSI) Search Tool is an online resource intended to support researchers and librarians who need accurate bibliographic information. Use this complimentary tool to quickly identify or confirm journal titles and abbreviations for publications indexed by CAS since 1907, including serial and non-serial scientific and technical publications.
 

ChemView

Use this database to get information on chemical health and safety data received by EPA and EPA's assessments and regulatory actions for specific chemicals under the Toxic Substances Control Act (TSCA). ChemView contains no confidential business information (CBI).

ChemSpider Sythetic Page

ChemSpider SyntheticPages is a free database of practical procedures for research workers in synthetic chemistry, written by chemists for chemists.

Organic Syntheses

Provides detailed, reliable, and carefully checked procedures for the synthesis of organic compounds.

Sigma-Aldrich Catalogue

Includes spectra for many compounds, and references to spectra for most compounds.

NMRshiftDB2

NMRshiftDB2 is a NMR database (web database) for organic structures and their nuclear magnetic resonance (nmr) spectra..