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  1. 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, …

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

    PubChem

    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 …

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

    GHS Classification Summary - PubChem

    Note: This page provides the current GHS summary. Obsolete [(marked as) deleted in GHS Rev.10 2023 PDF document] H-codes and P-codes are also provided, as they are still in use …

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

    Water | H2O | CID 962 - PubChem

    Water (chemical formula: H2O) is a transparent fluid which forms the world's streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms.

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

    Acetone | CH3-CO-CH3 | CID 180 - PubChem

    Acetone is a manufactured chemical that is also found naturally in the environment. It is a colorless liquid with a distinct smell and taste. It evaporates easily, is flammable, and dissolves …

  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 ...

  7. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › sucrose

    Sucrose | C12H22O11 | CID 5988 - PubChem

    Sucrose | C12H22O11 | CID 5988 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety ...

  8. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › docs › elements

    Elements - PubChem

    PubChem has summary pages specific to chemical elements, and a periodic table.

  9. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › morphine

    Morphine | C17H19NO3 | CID 5288826 - PubChem

    Morphine is a morphinane alkaloid that is a highly potent opiate analgesic psychoactive drug. Morphine acts directly on the central nervous system (CNS) to relieve pain but has a high …

  10. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › ammonia

    Ammonia | NH3 | CID 222 - PubChem

    Ammonia | NH3 or H3N | CID 222 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety ...

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