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PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health (NIH). PubChem can be accessed for free through a web user interface. Millions of compound structures and descriptive datasets can be freely downloaded via FTP. PubChem contains substance descriptions and small molecules with fewer than 1000 atoms and 1000 bonds. More than 80 database vendors contribute to the growing PubChem database.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>


PubChem sections
Intro   Databases    Searching   History  ACS's concerns   Database fields    See also   References   External links   

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PubChem::count    Chemical::national    Title::search    Database::center    Pubchem::chemical    Location::results

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PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health (NIH). PubChem can be accessed for free through a web user interface. Millions of compound structures and descriptive datasets can be freely downloaded via FTP. PubChem contains substance descriptions and small molecules with fewer than 1000 atoms and 1000 bonds. More than 80 database vendors contribute to the growing PubChem database.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>


PubChem sections
Intro   Databases    Searching   History  ACS's concerns   Database fields    See also   References   External links   

PREVIOUS: IntroNEXT: Databases
<<>>