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.

Owned by the Royal Society of Chemistry, ChemSpider is a free chemical structure database providing fast access to over 35 million structures, properties, and associated information.

Provides thermochemical, thermophysical, and ion energetics data compiled by the National Institute of Standards and Technology (NIST) under the Standard Reference Data Program

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

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.