Title: Flucythrinate
CAS Registry Number: 70124-77-5
CAS Name: 4-(Difluoromethoxy)-a-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester
Additional Names: (±)-cyano-(3-phenoxyphenyl)methyl (+)-4-(difluoromethoxy)-a-(1-methylethyl)benzeneacetate
Manufacturers' Codes: AC-222705
Trademarks: Cybolt (BASF); Guardian; Payoff (BASF); Stock Guard
Molecular Formula: C26H23F2NO4
Molecular Weight: 451.46
Percent Composition: C 69.17%, H 5.14%, F 8.42%, N 3.10%, O 14.18%
Literature References: Synthetic pyrethroid insecticide with contact and stomach poison activity. Prepn: G. Berkelhammer, V. Kameswaran, DE 2757066; eidem, US 4199595 (1977, 1980 both to Am. Cyanamid). Activity: A. F. Saad et al., Proc. Br. Crop Prot. Conf. - Pests Dis. 1981, 381; K. Wettstein, ibid. 563. Efficacy in cattle fly control: S. M. Taylor et al., Vet. Rec. 116, 566 (1985). Review of toxicology and human exposure: Toxicological Profile for Pyrethrins and Pyrethroids (PB2004-100004, 2003) 332 pp.
Properties: Viscous liquid. Sol in acetone, xylene, 2-propanol.
Use: Insecticide.
Therap-Cat-Vet: Ectoparasiticide.
Flucytosine Fludeoxyglucose F18 Fludiazepam Fludioxonil Fludrocortisone

Flucythrinate skeletal.svg
CAS number 70124-77-5
PubChem 50980
ChemSpider 46213
ATCvet code QP53AC07
Jmol-3D images Image 1
Molecular formula C26H23F2NO4
Molar mass 451.46 g mol−1
Appearance Dark amber viscous liquid[1]
Density 1.189 g/cm3 (22 °C)[1]
Boiling point 108 °C (0.35 mmHg)[1]
Solubility in water 0.06 mg/L[1]
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Flucythrinate is a pyrethroid insecticide and acaricide.[2] It is not currently approved for use in the United States.[1]