Bioallethrin is an ectoparasiticide. It consists of two of the eight stereoisomers of allethrin in any ratio.
Esbiothrin is a mixture of the same two stereoisomers, but in an approximate ratio of R:S = 1:3.
Esbioallethrin or S-bioallethrin is the pure S-form (that is, the wedge in the structure as shown in the box points down).ChemIdplus: S-Bioallethrin
The name bioallethrin was a common name approved by the British Standards Institution and published in.Recommended Common Names for Pesticides (BS 1831:1969) BS 1831 has been withdrawn, and the common name has been adopted by ISO. It is also included in British Approved Names 2017 and earlier editions.
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