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Bioallethrin structure.svg
IUPAC name
(RS)-3-allyl-2-methyl-4-oxocyclopent-2-enyl (1R,3R)-2,2-dimethyl -3-(2-methylprop-1-enyl)cyclopropanecarboxylate
ATC code P03AC02
ChEBI CHEBI:39118 YesY
ChemSpider 18923353 YesY
Jmol-3D images Image
PubChem 11442
UNII G79DM7O471 YesY
Molar mass 302.40794
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY verify (what isYesY/N?)
Infobox references

Bioallethrin is a brand name for an ectoparasiticide. It consists of two of the eight stereosiomers of allethrin I in an approximate ratio of 1:1.[1][2] The name Bioallethrin is a registered trademark of Sumitomo Chemical Co., Ltd.[3]

Esbiothrin (CAS number 260359-57-5 ) is a mixture of the same two stereosiomers, but in an approximate ratio of R:S = 1:3.[2]

Esbioallethrin or S-bioallethrin (CAS number 28434-00-6 ) is the pure S-form (that is, the wedge in the structure as shown in the box points down).[4]


  1. ^ "Bioallethrin data sheet". Compendium of Pesticide Common Names. Alan Wood. Retrieved 2010-06-29. 
  2. ^ a b "Esbiothrin". WHO specifications and evaluations for public health pesticides (WHO): 11f. 
  3. ^ Trademark Status and Document Retrieval: Bioallethrin
  4. ^ ChemIdplus: S-Bioallethrin