SciFinder-n indexes the chemical literature as well as providing searchable information regarding specific chemical substances, reactions, structure and substructure searching, chemical supplier information, and a retrosynthesis planner. Remote users will need to install College of Medicine VPN (call 833-577-4357) or Penn State University’s VPN software before accessing SciFinder-n. Users need a separate SciFinder-n login and password, which they can obtain using on-screen instructions. To register and follow the on-screen instructions.