Structure Formula : Common Name: fluazifop-P-butyl CAS No.: 79241-46-6 CAS Name:butyl (2R)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoate Molecular Formula:C19H20F3NO4 Agrochemical Type: Herbicide Mode of Action:Fluazifop-p-butyl is a selective phenoxy herbicide used for postemergence control of annual and perennial grass weeds.