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Last Updated: May 23, 2022 2:35 PM

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This database is freely available to the general public via the Internet.


PubChem is an open chemistry database at the National Institutes of Health (NIH)

PubChem mostly contains small molecules, but also larger molecules such as nucleotides, carbohydrates, lipids, peptides, and chemically-modified macromolecules. PubChem collects information on chemical structures, identifiers, chemical and physical properties, biological activities, patents, health, safety, toxicity data, and many others.

PubChem records are contributed by hundreds of data sources. Examples include: government agencieschemical vendorsjournal publishers, and more.

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