Fast belongs to a novel class of insecticide and contains Cartap hydrochloride as active ingredient. Fast is a derivative of nereistoxin which is a naturally occurring insecticidal substance isolated from the marine segmented worms. Fast 50 SP is a systemic insecticide with contact and stomach poison activity. It is very effective for the control of chewing and sucking insects (particularly Lepidoptera and Coleopteran), on many crops, including rice, potatoes, cabbage and other vegetables, soybean, peanuts, sunflowers, maize, citrus fruit, ginger, tea, cotton, and sugar cane.