Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
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 free 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.
Chemical Acronyms & Abbreviations
The special data base of abbreviations of chemical compound names has been incorporated
Databases and other resources designed to help search for information by chemical name or structure. This database has over 380,000 chemicals, compounds, synonyms, structures, regulatory list info, and links to other databases. Includes a Superlist (Regulatory and other lists of chemicals), Additional Chemical Databases and Resources, Drug Information Portal, and TOXNET and Beyond Training Class Schedule and Workbook. You can also perform chemical structure, property, and toxicity searching.
Search Chemical Names and CAS Registry Numbers for 8,000 chemicals of widespread general public interest.
This chemical structure search engine (compatible with ChemDraw) containing 7 million unique chemical structures from 21 million sources. Find suppliers and information for over 9 million unique chemicals.