Features:
1) Molecular Weight:
a) B1a C48H74O14(R=C2H5)
b) B1b C47H72O14(R=CH3)
2) Description: Light yellow or white crystalline powder, freely soluble in methanol,
ester and practically insoluble in water
3) Specifications: contains no less than 93.0% of 22, 23 dihydro-avermectin B1a and
the sum of B1a and B1b is no less than 97.0%
4) Indication: the antibiotic exerts activity against nematode, hookworm, worm insect,
worm and acarid hosted in animal gastrointestinal tract
5) Storage: kept in a well-closed container and protected from light

Inner packing:
1.5kg/tin or 25kg/drum