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A knock-down type Insecticide that does not kill, but rather prevents infestations by breaking the biological life cycle. Methoprene mimics a juvenile insect hormone and prevents larvae from becoming adults and reproducing. It is an amber-colored liquid with a faint fruity odor.

Synonyms and Related Terms

(E,E)-11-methoxy-3,7,11-trimethyl-2,4-dodecadienoic acid 1-methylethyl ester; ZR-515; Precor; Altosid


  • May be harmful by inhalation, ingestion, or skin absorption
  • Very toxic to aquatic life.
  • Cayman Chemical: Methoprene

Physical and Chemical Properties

Composition C19H34O3
Molecular Weight mol. wt. = 310.48

Resources and Citations