The Pherobase Molecular Formula Generator

Enter Molecular Ion
 
 
  • To generate all possible formula for specific ion:
    • Enter the ion value in the molecular ion field and press generate.
    • Ion value must be between 12-250.
    • Use the three search options to search the Pherobase, the web or structure of the ion.

Citation: El-Sayed AM 2026. The Pherobase: Database of Pheromones and Semiochemicals. <https://www.pherobase.com>
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