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Milbemycin oxime 129496-10-2 2C31H43NO7
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Milbemycin oxime CAS: 129496-10-2
1, Specification of Milbemycin oxime CAS: 129496-10-2
Item |
Specifications |
Results |
|
Description |
White or light yellow powder |
Conforms |
|
Solubility |
Practically insoluble, very soluble in acetonitrile, in anhydrous ethanol and in ethyl acetate. |
Conforms |
|
Identification |
Infrared Identification |
Infrared absorption chromatograph obtained with the test solution should be consistent with that of the reference standard solution |
Conforms |
HPLC Identification |
The retention time of the major peaks of the sample solution should correspond to that of the reference standard solution. |
Conforms |
|
Residue on Ignition |
≤0.5% |
0.05% |
|
Water content |
≤2.0% |
1.4% |
|
Heavy metal |
≤30ppm |
Conforms |
|
Related Substances |
Impurity G |
≤2.0% |
0.14% |
Impurity E |
≤0.7% |
0.26% |
|
Impurity H |
≤0.5% |
0.12% |
|
Impurity I |
≤0.5% |
Negative |
|
Any other impurities |
≤0.2% |
0.13% |
|
Total impurities |
≤3.5% |
0.71% |
|
Assay |
A3+A4 |
95.0%~102.0% |
98.8% |
A3 Ratio |
≤0.20 |
0.17 |
|
A4 Ratio |
≥0.80 |
0.83 |
|
Residual solvents |
Ethanol |
≤5000ppm |
76ppm |
n-Heptane |
≤5000ppm |
1ppm |
|
Methanol |
≤3000ppm |
28ppm |
|
4-Dioxane |
≤380ppm |
Negative |
|
Methylene chloride |
≤600ppm |
Negative |
|
Chloroform |
≤60ppm |
Negative |
|
Conclusion |
The results conforms with enterprise standards |
2, package of Milbemycin oxime CAS: 129496-10-2
1kg per bag, or as your request
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