Avermectin Mixture of Avermectin B1a and Avermectin B1b CAS:71751-41-2
Name: Avermectin
Chemical name: Mixture of Avermectin B1a and Avermectin B1b
Moleculor Formula: C48H72O14;C47H70O14
Molecular Weight: (873.09);(859.06)
CAS#: 71751-41-2
Molecular Structure:
Items |
Specifications |
Results |
Appearance |
White to yellowish crystalline powder |
Conforms |
Identification |
1. IR : Corresponds with that of CRS standard 2. HPLC: The retention time for H2B1a corresponds with that of standard preparation |
Conforms |
Appearance of Solution |
Clear and color less than BY7 |
Conforms |
Acetone insoluble |
≤ 0.2% |
Conforms |
PH |
4.5 ~ 7.0 |
Conforms |
Loss on Drying |
≤ 2.0% |
Conforms |
Assay (HPLC,Anhydrous) |
H2B1a ≥92.0% H2B1a+H2B1b ≥97.0% |
94.82% 99.9% |
Conclusion |
This conforms to standard of Enterprise |
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