Structure Formula : Common Name: pendimethalin CAS No.:40487-42-1 CAS Name:N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine Molecular Formula: C13H19N3O4 Agrochemical Type: herbicide Mode of Action:Pendimethalin is a selective herbicide used to control most annual grasses and certain broadleaf weeds in field corn, potatoes, rice, cotton, soybeans, tobacco, peanuts, and sunflowers.