Cyromazine 98%TC powder CAS 66215-27-8 is a unique insect growth regulator, which can effectively prevent the larvae to the normal development into a pupa. Applicable to a variety of flies breeding animal control, can be used as feed additives, the role of the rapid and efficient, the use of safe, non-toxic side effects, non-residual, non-polluting to the environment, and other drugs without cross-resistance may be more effective control of resistant flies strains of the low-cost and simply add a ton of feed 5g (by 100% of active ingredient).