Chemistry

ChemSpider is a free chemical structure database providing fast text and structure search access to over 67 million structures from hundreds of data sources.

OSTI fulfills agency-wide responsibilities to collect, preserve, and disseminate both unclassified and classified scientific and technical information (STI) emanating from DOE-funded research and development (R&D) activities at DOE national laboratories and facilities and at universities and other institutions nationwide.

Find scholarly, peer-reviewed articles through Google Scholar.

Dimensions makes it easy to navigate the many links between grants, publications, clinical trials, patents, datasets and policy documents.

The NIST Chemical Kinetics Database includes essentially all reported kinetics results for thermal gas-phase chemical reactions.

KEGG is a database resource for understanding high-level functions and utilities of the biological system, such as the cell, the organism and the ecosystem, from molecular-level information, especially large-scale molecular datasets generated by genome sequencing and other high-throughput experimental technologies.

Now LookChem is building a comprehensive global chemical trading service platform integrating supply-demand database, industrial supply chain support, and data mining and sharing.

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.

eMolecules empowers researchers to explore uncharted chemical and biological spaces and deliver more efficient drug-discovery programs.

NIST site provides chemical and physical property data on over 40000 compounds.