Lufenuron

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Lufenuron is an active ingredient in the anti-flea veterinary medicine. lufenuron

Lufenuron is stored in the animal's body fat and transferred to adult fleas through their bite. Adult fleas transfer it to their eggs by its presence in the mother flea's blood, or by the larva feeding on pre-digested blood.

Lufenuron inhibits the production of chitin in larval fleas. Without chitin, a larval flea will never develop an exoskeleton. Attacking the ability to create chitin may make lufenuron an effective remedy against fungal infections, such as ringworm (a dermatophyte infection and not a worm at all), and some internal parasites, such as heartworm.

It has no known toxic effects at any dosage on humans or other animals in the environment that do not depend on chitin, though the orally-administered pills can sometimes cause an upset stomach with acid reflux.

  • CAS Number: 103055-07-8
  • U.S. EPA PC Code: 118205

Status: ISO 1750 (published) IUPAC: (RS)-1-[2,5-dichloro-4-(1,1,2,3,3,3-hexafluoropropoxy)phenyl]-3-(2,6-difluorobenzoyl)urea CAS: N-[[[2,5-dichloro-4-(1,1,2,3,3,3-hexafluoropropoxy)phenyl]amino]carbonyl]-2,6-difluorobenzamide Reg. No.: 103055-07-8 Formula: C17H8Cl2F8N2O3 Activity: insecticides (chitin synthesis inhibitors)

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