About CAS SciFinder

What's New

  • What's New: July 29, 2024

    Retrosynthesis Enhancement: Stereochemistry Improvements Retrosynthesis in CAS SciFinder has been enhanced with more precise stereochem...

Connecting Using Proxy

System Requirements/Limits and Account Management

  • System Requirements

    To ensure the best CAS SciFinder® experience, and to conform with the most recent Internet security standards, use the latest recommend...

  • CAS SciFinder Limits

    Certain limits apply to various CAS SciFinder operations. Some of the most common are listed below: Advanced Search Fields Up to 1000 c...

  • Change Email, Password, and Security Question in CAS Profile

    The My CAS Profile option under your account accesses CAS Profile, where you can manage account settings like email and password. If ...

  • Copyrights and Trademarks

    Copyright © 2023 American Chemical Society. All Rights Reserved.   Note: Some terms contained in our solutions may be trademarksTM or r...