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You are here:Home » Biochemicals » Biochem-Antibiotics » Avermectin B1a (5-O-Demethylavermectin A1a, Antibiotic C 076B1a)

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


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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.
Catalog #A4447
Purity >99% by HPLC
Solubility Soluble in ethanol, methanol, DMF or DMSO.
Related to Avermectin B1b, Milbemycin A4, Milbemycin A3, Milbemycin D, Nemadectin
CAS Number65195-55-3
Molecular FormulaC48H72O14
Molecular Weight873.1
SourceStreptomyces avermitilis
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names5-O-Demethylavermectin A1a, Antibiotic C 076B1a.

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