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.
SciFinder is a research discovery application that provides integrated access to the world's most comprehensive and authoritative source of references, substances and reactions in chemistry and related sciences. We currently have access to both classic SciFinder and SciFinder-n. SciFinder-n is the new version that includes an updated search algorithm and synthesis planning tools.
To begin searching SciFinder:
Register for your personal account. You can choose either classic SciFinder or SciFinder-n. Classic SciFinder will eventually be retired, so choose SciFinder-n if you are a new user. Existing classic SciFinder users can use their username and password in both versions.