| Approval: | ISO | 
|---|---|
| IUPAC PIN: | rac-(R)-cyano(3-phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate | 
| IUPAC name: | 1:1 reaction mixture of the two enantiomers (R)-α-cyano-3-phenoxybenzyl (1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (S)-α-cyano-3-phenoxybenzyl (1R,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate Rothamsted-style stereodescriptors: 1:1 reaction mixture of the two enantiomers (R)-α-cyano-3-phenoxybenzyl (1S)-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (S)-α-cyano-3-phenoxybenzyl (1R)-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate  | 
| CAS name: | (R)-cyano(3-phenoxyphenyl)methyl (1S,3R)-rel-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate | 
| CAS Reg. No.: | 71697-59-1 | 
| Formula: | C22H19Cl2NO3 | 
| Activity: | insecticides (pyrethroid) | 
| Notes: | The unresolved isomeric mixture of this substance has the ISO common name cypermethrin [52315-07-8]. This substance is one of the components of beta-cypermethrin [65731-84-2].  | 
| Structure: | |
| Pronunciation: | thē-ta sī-per-mēth-rǐn Guide to British pronunciation | 
| InChIKey: | GUQZCTLEJXHSIH-TXXTYBRISA-N identifier for no stereochemistry: KAATUXNTWXVJKI-UHFFFAOYSA-N  | 
| InChI: | InChI=1S/2C22H19Cl2NO3/c2*1-22(2)17(12-19(23)24)20(22)21(26)28-18(13-25)14-7-6-10-16(11-14)27-15-8-4-3-5-9-15/h2*3-12,17-18,20H,1-2H3/t2*17-,18-,20+/m10/s1 | 
A data sheet from the Compendium of Pesticide Common Names