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The CAS Source Index (CASSI)
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
ChemSpider is a free chemical structure database providing fast text and structure search access
to over 58 million structures from hundreds of data sources.
ChemSynthesis is a freely accessible database of chemicals. This website contains substances with their synthesis references and physical properties such as melting point, boiling point and density. There are currently more than 40,000 compounds and more than 45,000 synthesis references in the database.
ChemTube3D contains interactive 3D animations and structures, with supporting information for some of the most important topics covered during an undergraduate chemistry degree.
A web resource that contains CAS Registry Numbers for approximately 7,900 chemicals of widespread general public interest.
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