Avermectin B1a (5-O-Demethylavermectin A1a, Antibiotic C 076B1a. )

Avermectin B1a is the major component (>80%) of the commerically available anthelmintic Abamectin (R) used to control parasitic nematodes in livestock. Avermectin B1a contains a secbutyl residue in the 24-position. In vitro and in vivo studies have shown this analogue is the more potent analogue in the commerical product. Purity: >99% by HPLC , Solubility: Soluble in ethanol, methanol, DMF or DMSO., , Related to: Avermectin B1b, Milbemycin A4, Milbemycin A3, Milbemycin D, Nemadectin