SciFinder requires a one-time registration. To register, start here. (VPN must be enabled to access the registration page.)
To connect to SciFindern, login with your username and password at http://scifinder-n.cas.org/
Reaxys does not require that you create a login, unless you want to set up search alerts. However, for both databases you need to be on the campus network (or the UCSD-Protected wifi), or off campus using VPN to access these.
To search Reaxys by substance:
To search Reaxys for preparations:
To search SciFindern by substance:
To find an article on preparation:
To find an article on mechanism of action (option 1):
To find an article on mechanism of action (option 2):