Molecular Weight:B1a C₄₈H₇₄O₁₄(R=C₂H₅) B1b C₄₇H₇₂O₁₄(R=CH₃)
CAS Registration No.: 70288-86-7
Description:Light yellow or white crystalline powder Freely soluble in methanol, ester and practically insoluble in water.
Specification:The product contains not less than 93.0% of 22, 23 dihydro-avermectin B1a and the sum of B1a and B1b is not less than 97.0%.
Storage: Kept in a well-closed container and protected from light.
Expiration Period: Two years.
Packaging: 1Kg,5Kg Aluminum Tin or 10kg/Carton.