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  2. List of chemical compounds with unusual names - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_compounds...

    This is the largest known protein and so has the longest chemical name. Written in full, it contains 189,819 letters. [48] MOM: A functional group often employed in organic synthesis to protect alcohols. Periplanone B: Periplanone B A pheromone of the female American cockroach. Thebacon: Thebacon Dihydrocodeinone enol acetate, an opioid ...

  3. PG5 (molecule) - Wikipedia

    en.wikipedia.org/wiki/PG5_(molecule)

    PG5 has a molecular mass of about 200 MDa or 200,000,000,000,000,000 g/mol. It has roughly 200 million atoms and a diameter of roughly 10 nm. Its length is up to a few micrometers. [3]

  4. Longest word in English - Wikipedia

    en.wikipedia.org/wiki/Longest_word_in_English

    The IUPAC nomenclature for organic chemical compounds is open-ended, giving rise to the 189,819-letter chemical name Methionyl­threonyl threonyl . . . iso ­leucine for the protein also known as titin, which is involved in striated muscle formation. In nature, DNA molecules can be much bigger than protein molecules and therefore potentially be ...

  5. Titin - Wikipedia

    en.wikipedia.org/wiki/Titin

    With its length of ~27,000 to ~35,000 amino acids (depending on the splice isoform), titin is the largest known protein. [14] Furthermore, the gene for titin contains the largest number of exons (363) discovered in any single gene, [15] as well as the longest single exon (17,106 bp).

  6. Oganesson - Wikipedia

    en.wikipedia.org/wiki/Oganesson

    Flerovium became the name of element 114; the final name proposed for element 116 was instead livermorium, [97] with moscovium later being proposed and accepted for element 115 instead. [ 98 ] Traditionally, the names of all noble gases end in "-on", with the exception of helium , which was not known to be a noble gas when discovered.

  7. List of drugs by year of discovery - Wikipedia

    en.wikipedia.org/wiki/List_of_drugs_by_year_of...

    The following is a table of drugs organized by their year of discovery. Naturally occurring chemicals in plants, including alkaloids, have been used since pre-history.In the modern era, plant-based drugs have been isolated, purified and synthesised anew.

  8. Pneumonoultramicroscopicsilicovolcanoconiosis - Wikipedia

    en.wikipedia.org/wiki/Pneumonoultramicroscopicsi...

    Pneumono­ultra­micro­scopic­silico­volcano­coniosis is the longest word in the English language. The word can be analysed as follows: The word can be analysed as follows: Pneumono : from ancient Greek ( πνεύμων , pneúmōn ) which means lungs

  9. Lists of molecules - Wikipedia

    en.wikipedia.org/wiki/Lists_of_molecules

    This is an index of lists of molecules (i.e. by year, number of atoms, etc.). Millions of molecules have existed in the universe since before the formation of Earth. Three of them, carbon dioxide, water and oxygen were necessary for the growth of life.