SciFinder Web version

users must first register to create their own user accounts in order to gain access to SciFinder, the world's largest and most current collection of chemical and related scientific information from many scientific disciplines, including biomedical sciences, chemistry, engineering, materials science, agricultural science, and more. Completing this user registration form is the only the initial step in registering to use SciFinder. You will receive an e-mail message from CAS that includes a link and instructions for completing the registration process and this link must be clicked on within 48 hours. Once you have successfully completed the entire registration process you can sign in to Scifinder at: Recommended web browsers include:

  • Microsoft Internet Explorer, Versions 6.x and 7.x
  • Mozilla Firefox, Version 2.0 and 3.0
  • Apple Safari, 3.0 and 3.1

If you are using Internet Explorer 8, please see JavaScript, Java and cookies must be enabled. Java runtime environment (JRE) is needed for structure drawing Additional browser-related information is available in the SciFinder FAQ from the SciFinder help files.