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  1. Pyridine - Wikipedia

    The major products of pyridine metabolism are N -methylpyridiniumhydroxide, which are formed by N -methyltransferases (e.g., pyridine N -methyltransferase), as well as pyridine N -oxide, and 2-, 3-, and …

  2. Pyridine | C5H5N | CID 1049 - PubChem

    Pyridine appears as a clear colorless to light yellow liquid with a penetrating nauseating odor. Vapors are heavier than air. Toxic by ingestion and inhalation. Combustion produces toxic oxides of nitrogen.

  3. Pyridine | Aromatic, Aliphatic, Nitrogenous | Britannica

    Dec 19, 2025 · pyridine, any of a class of organic compounds of the aromatic heterocyclic series characterized by a six-membered ring structure composed of five carbon atoms and one nitrogen …

  4. Pyridine - Molecule of the Month - July 2025 (HTML version)

    How was pyridine discovered? In 1849, Scottish chemist Thomas Anderson successfully isolated pyridine from coal-tar oil. Coal-tar contains a very low concentration of pyridine, roughly 0.1%, so it …

  5. Pyridines: Uses, Structure, and Biological Roles - Biology Insights

    Jul 23, 2025 · Pyridine is a foundational chemical structure, forming the basis for vital nutrients like Vitamin B6 as well as key agrochemical and pharmaceutical agents.

  6. Pyridine - NIST Chemistry WebBook

    Lencka, 1990 Lencka, Malgorzata, Measurements of the vapour pressures of pyridine, 2-methylpyridine, 2,4-dimethylpyridine, 2,6-dimethylpyridine, and 2,4,6-trimethylpyridine from 0.1 kPa to atmospheric …

  7. Pyridine - Wikiwand

    Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced...

  8. Pyridine | Public Health Statement | ATSDR - Centers for Disease ...

    Mar 25, 2021 · Pyridine is used as a solvent and to make many different products such as medicines, vitamins, food flavorings, pesticides, paints, dyes, rubber products, adhesives, and waterproofing for …

  9. Pyridine | Formula, Properties & Application

    Pyridine is a heterocyclic organic compound that is often described as a benzene ring with one CH group replaced by a nitrogen atom. It is an important part of many biological and industrially …

  10. Pyridine: the scaffolds with significant clinical diversity

    In the next few years, a larger share of novel pyridine-based drug candidates is expected. This review unifies the current advances in novel pyridine-based molecular frameworks and their unique clinical …

  11. Pyridine - American Chemical Society

    Aug 31, 2020 · Pyridine is a colorless liquid with a foul odor and several hazardous properties. In the late 1840s, physician/chemist Thomas Anderson at the University of Edinburgh produced several liquids …

  12. Pyridine: Structure, Properties & Applications Explained - Vedantu

    Pyridine is a basic heterocyclic organic compound with the chemical formula C₅H₅N. It is a colourless, water-soluble liquid with a distinct, unpleasant fish-like odour.

  13. Pyridine: Structure, Properties, and Applications | Algor Cards

    Pyridine is an organic compound with a heterocyclic aromatic ring, known for its basicity and presence in various industries. It's used in pharmaceuticals, herbicides, and as a solvent.

  14. The Chemistry of Pyridine: A Deep Dive - numberanalytics.com

    Jun 9, 2025 · Pyridine is a fundamental heterocyclic compound that has been a cornerstone in organic chemistry for decades. Its unique electronic structure and chemical properties make it an essential …

  15. Pyridine - New World Encyclopedia

    Pyridine is a fundamentally important chemical compound with the formula C 5 H 5 N. It is a liquid with a distinctively putrid, fishy odor. Its molecules have a six-membered ring structure that can be found in …

  16. Pyridine Definition - Organic Chemistry Key Term | Fiveable

    Pyridine is a heterocyclic aromatic organic compound with the chemical formula C₅H₅N. It is a colorless, volatile liquid with a distinctive unpleasant odor, and it is widely used in the production of various …

  17. Pyridine | ToxFAQs™ | ATSDR - Centers for Disease Control and …

    This fact sheet answers the most frequently asked health questions about pyridine. For more information, you may call the ATSDR Information Center at 1-800-232-4636.

  18. Pyridine - NIST Chemistry WebBook

    Pyridine Formula: C 5 H 5 N Molecular weight: 79.0999 IUPAC Standard InChI: InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H Copy

  19. Pyridine - NIST Chemistry WebBook

    Pyridine Formula: C 5 H 5 N Molecular weight: 79.0999 IUPAC Standard InChI: InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H Copy

  20. Pyrimidine - Wikipedia

    Pyrimidine (C4H4N2; / pɪˈrɪ.mɪˌdiːn, paɪˈrɪ.mɪˌdiːn /) is an aromatic, heterocyclic, organic compound similar to pyridine (C5H5N). [3] One of the three diazines (six-membered heterocyclics with two …

  21. Pyridine Formula - Structure, Properties, Uses, Sample Questions

    Dec 19, 2023 · Pyridine is a colourless fluid, a heterocyclic molecule with the chemical formula C5H5N. It's a natural heterocyclic molecule that's also known as Azine or Pyridine.

  22. Pyridine - Wikipedia

    Pyridine is een heterocyclische, aromatische verbinding met als brutoformule C 5 H 5 N. De stof komt voor als een kleurloze, heldere vloeistof met een zeer indringende en onplezierige visgeur, …