Description
An avermectin with anthelmintic and insecticidal activities; comprised of eprinomectin B1a and eprinomectin B1b; reduces worm burden by 99% or more in bovine models of adult H. placei, O. ostertagi, T. axei, Cooperia punctata, N. helvetianus, O. radiatum, or D. viviparus infection when applied topically at ≥0.08 mg/kg; reduces parasite burden in bovine models of horn fly (H. irritans) or mange mite (C. bovis) infestation, as well as in cows naturally infested with lice (L. vituli), when applied topically at 0.16- 0.5 mg/kg
Formal name: (4”R)-4”-(acetylamino)-4”-deoxy-avermectin B1
Synonyms: MK-397
Molecular weight: 914.1
CAS: 123997-26-2
Purity: ≥95% (mixture of B1a and B1b)
Formulation: A crystalline solid