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CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category


Chemical Names

(S)-3-Allyl-2-metyl-4-oxocyclopent-2-enyl (1R,3R)-2,2-dimetyl-3-(2-metylprop-1-enyl)-cyclopropanecarboxylate

[(1S)-2-metyl-4-oxo-3-prop-2-enylcyclopent-2-en-1-yl]-(1R,3R)-2,2-dimetyl-3-(2-metylprop-1-enyl)cyclopropane-1-carboxylate (IUPAC)

Foreign Names

Generic Names

Brand Names

  • Limpacid (Esdepallethrine and Piperonyl Butoxide)
    Bajer, Argentina
  • Para (Esdepallethrine and Piperonyl Butoxide)
    Omega Pharma, Malta
  • Para Spécial Poux (Esdepallethrine and Piperonyl)
    Omega Pharma, France
  • Spregal (Esdepallethrine and Piperonyl Butoxide)
    MedPro, South Africa; Olvos Science, Greece; Pharmygiene, Lebanon; Dr. August Wolff, Lithuania
  • Sprégal (Esdepallethrine and Piperonyl)
    Omega Pharma, France


DCFDénomination Commune Française
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym

Further information on drug naming conventions: International Nonproprietary Names.

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Further information

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