epi-Ivermectin B1a

Description

epi-Ivermectin B1a is a degradation product formed by the reversible base-catalyzed isomerization of ivermectin B1a (Item No. 18768).1 It is less active than ivermectin against T. urticae (LC90s = 4.0 and 0.038 ppm, respectively).WARNING This product is not for human or veterinary use.

References

[1] JAMES V. PIVNICHNY. Base-catalyzed isomerization of avermectins[J]. Journal of Agricultural and Food Chemistry, 1988, 36 4: 826-828. DOI: 10.1021/jf00082a039