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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 › search › searchPubChem Structure Search

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

   PubChem Structure Search. Search By: Name/. Text. Identity/. Similarity.

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

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

   Chemical Element Data in PubChem. 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.

4. pubchem.ncbi.nlm.nih.gov › docsDocs - PubChem

   pubchem.ncbi.nlm.nih.gov › docs

   Entrez Advanced Search. Entrez is a primary text search and retrieval system used for the three primary databases in PubChem and other major NCBI databases, including PubMed, Nucleotide and Protein Sequences, Protein Structures, Genome, Taxonomy, BioSystems, Gene Expression Omnibus (GEO) and many others.

5. pubchem.ncbi.nlm.nih.gov › docs › compoundsCompounds - PubChem

   pubchem.ncbi.nlm.nih.gov › docs › compounds

   PubChem Compound records are derived summaries that give users access to a rich set of related content. Compound records contain unique chemical structures extracted from contributed Substance records through standardization.

6. pubchem.ncbi.nlm.nih.gov › docs › structure-searchStructure Search - PubChem

   pubchem.ncbi.nlm.nih.gov › docs › structure-search

   PubChem Structure Search allows the PubChem Compound Database to be queried by chemical structure or chemical structure pattern.

7. pubchem.ncbi.nlm.nih.gov › docs › aboutAbout - PubChem

   pubchem.ncbi.nlm.nih.gov › docs › about

   Learn about PubChem chemical database, browse or search the documentation and find PubChem staff contact information.

8. pubchem.ncbi.nlm.nih.gov › search › help_searchThe PubChem Compound Help

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

   CID -- PubChem Compound Identification, a non-zero integer PubChem accession identifier for a unique chemical structure. For example, the CID of aspirin is 2244. Molecular Formula Input

9. www.ncbi.nlm.nih.gov › pmc › articlesPubChem Substance and Compound databases - PMC - National Center...

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

   Jan 1, 2016 · PubChem ( https://pubchem.ncbi.nlm.nih.gov) is a public repository for information on chemical substances and their biological activities, launched in 2004 as a component of the Molecular Libraries Roadmap Initiatives of the US National Institutes of Health (NIH).

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

    pubmed.ncbi.nlm.nih.gov › 26400175

    Jan 4, 2016 · PubChem (https://pubchem.ncbi.nlm.nih.gov) is a public repository for information on chemical substances and their biological activities, launched in 2004 as a component of the Molecular Libraries Roadmap Initiatives of the US National Institutes of Health (NIH).