SciFinder

Welcome to SciFinder

SciFinderⁿ is here!
Learn more about the power of n.

Introducing a new CAS website
All content from our previous site continues to be available at support.cas.org, accessible from the new home page.  Redirects are already in place for our most popular pages; should any of your previous bookmarks be impacted, simply reset your quick links. We will fully transition to a single site in 2018.  

Quick Tips on Using PatentPak
To help you get the most out of PatentPak, our new Quick Tips video will launch anytime you access the interactive viewer.

Navigate Chemistry’s Early History with ChemZent
Introducing ChemZent, the first and only English-searchable version of Chemisches Zentralblatt, the oldest journal of chemistry abstracts.

A New Way to Explore Synthetic Preparations in SciFinder!
Learn more about this new solution from CAS and try 5 free samples of MethodsNow today!

CHEMCATS Chemical Supplier Program
Chemical supplier? Be part of the world’s preferred chemistry research solution. Learn more now.  

Introducing the PatentPak Interactive Patent Chemistry Viewer
The new PatentPak interactive patent chemistry viewer significantly reduces the time spent locating the important chemistry in a patent by using CAS scientists’ direct links to key substances in the source patent.

Have you visited the SciFinder training page lately?
Our new materials and updated tutorials will help you become a SciFinder expert. See our new recorded e-seminars on polymer and patent searching (see Special Topics) and updated substance, reaction and reference searching tutorials (now also in Spanish).

Join ACS now!
The American Chemical Society is committed to supporting its members with the resources they need to grow professionally, build knowledge, connect with colleagues around the world, and stay on top of all the latest developments in the chemical sciences.