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1. pubchem.ncbi.nlm.nih.govPubChem

   pubchem.ncbi.nlm.nih.gov

   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.

2. pubchem.ncbi.nlm.nih.gov › periodic-tablePeriodic Table of Elements - PubChem

   pubchem.ncbi.nlm.nih.gov › periodic-table

   PubChem is providing this periodic table page in order to help navigate abundant chemical element data available in PubChem. When exploring the table or list views on this page, please note the links to dedicated pages for each element.

3. en.wikipedia.org › wiki › PubChemPubChem - Wikipedia

   en.wikipedia.org › wiki › PubChem

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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).

4. pubchem.ncbi.nlm.nih.gov › search › searchPubChem Structure Search

   pubchem.ncbi.nlm.nih.gov › search › search

   Require: Disallow: Allow: Biological Properties : Chemical Reactions : Imaging Agent : Journal Publishers via MeSH : Metabolic Pathways : Molecular Libraries Screening Center Network

5. pubmed.ncbi.nlm.nih.gov › 26400175PubChem Substance and Compound databases - PubMed

   pubmed.ncbi.nlm.nih.gov › 26400175

   Jan 4, 2016 · PubChem consists of three inter-linked databases, Substance, Compound and BioAssay. The Substance database contains chemical information deposited by individual data contributors to PubChem, and the Compound database stores unique chemical structures extracted from the Substance database.

6. www.ncbi.nlm.nih.gov › pmc › articlesPubChem Substance and Compound databases - PMC

   www.ncbi.nlm.nih.gov › pmc › articles

   Jan 1, 2016 · This paper provides an overview of the PubChem Substance and Compound databases, including data sources and contents, data organization, data submission using PubChem Upload, chemical structure standardization, web-based interfaces for textual and non-textual searches, and programmatic access.

7. www.nlm.nih.gov › oet › edPubChem Training Course - National Library of Medicine

   www.nlm.nih.gov › oet › ed

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   This self-paced PubChem training guides you through how to access chemical property and structure data that the hundreds of academic, government, and industrial sources contribute to PubChem. It includes step-by-step directions for how to find chemical information using chemical names, identifiers, molecular formulas, gene symbols, proteins ...