To use the Scifinder database, a registration is needed.
Use the below url to register:
https://scifinder.cas.org/registration/index.html?corpKey=69A848B5-86F3-5055-6DB4-3D7CF1FF4612
Attention!
The registration is only possible from computers within the Semmelweis IP range, and with a Semmelweis email address.