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.

Chem 105a/107a: General Chemistry: Reference Sources

Chemistry Dictionaries/References

This is a short list of available chemical dictionaries and reference sources available here at USC. These sources are important for finding reliable and authoritative chemical information. HINT: When searching Merck Index Online, search for chemical formulas in [brackets]. Sort your search results by molecular weight to find the original compound you are looking for. The Merck Index will search for the original compound as well as derivatives, so you will see several results.

General Science and Engineering Database

Chemistry Specific Databases