Chemistry: Web Resources

ACS is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.

CAS is the only organization in the world whose objective is to find, collect and organize all publicly disclosed substance information.

We build and maintain the world's largest collection of molecular substances, reactions, and related content that is vital to the work of researchers.

Explore science any time with easy, hands-on activities. Get inspired by these project ideas that can be done with readily available and/or household materials and take only a few hours, start to finish.