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  1. nih.gov
    https://pubchem.ncbi.nlm.nih.gov

    PubChem

    Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and …

  2. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › periodic-table

    Periodic Table of Elements - PubChem

    Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, …

  3. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › Semaglutide

    Semaglutide | C187H291N45O59 | CID 56843331 - PubChem

    Semaglutide | C187H291N45O59 | CID 56843331 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, …

  4. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › methanol

    Methanol | CH3OH | CID 887 - PubChem

    Methanol | CH3OH or CH4O | CID 887 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity …

  5. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › acetaminophen

    Acetaminophen | C8H9NO2 | CID 1983 - PubChem

    Acetaminophen | C8H9NO2 | CID 1983 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity …

  6. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › caffein

    Caffeine | C8H10N4O2 | CID 2519 - PubChem

    Caffeine | C8H10N4O2 | CID 2519 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, …

  7. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › PETROLEUM-ether

    Petroleum ether - PubChem

    Petroleum ether chemical information summary.

  8. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › ethanol

    Ethanol | CH3CH2OH | CID 702 - PubChem

    Ethanol | CH3CH2OH or C2H6O | CID 702 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity …

  9. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › index.html

    PubChem Sketcher V2.4

    PubChem Sketcher V2.4 ... Help

  10. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › ghs

    GHS Classification Summary - PubChem

    GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations …

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