Status: ISO 1750 (approved)
IUPAC: (S)-α-cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate or (S)-α-cyano-3-phenoxybenzyl (1R)-cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate
CAS: 52918-63-5
Formula: C22H19Br2NO3
Activity: insecticides (pyrethroid ester insecticides)
Notes: The name “decamethrin” was originally proposed for this compound and was used in the literature, but was rejected because of a conflict with a trade mark.

Deltamethrin Structure: