SciFinder offers a one-stop shop experience with flexible search and discover options based on user input and workflow. You can search for substances, reactions, and patent and journal references anytime, anywhere.

• Make better, more confident decisions knowing that you have access to the largest collection of substances, reactions, and patent and journal references produced, compiled, and updated daily by CAS scientists around the world.
• Save time with an array of powerful tools to search, filter, analyze and plan that allow you to quickly find the most relevant answers to your research questions.

Don’t worry about missing vital research - if it’s publically disclosed, high quality and from a reliable source, SciFinder has it! See why industry experts rely on SciFinder as their only source for high-quality content combined with ease-of-use features that help complete their research project from start to finish.

And now with PatentPak™, a robust, new patent workflow solution which offers instant access to hard-to-find chemistry in full-text patents directly in SciFinder. 

First time users, please note: CAS requires that you register before using their database. In order to register, please go to this link: