Product Brief Introduction
Product name: Doramectin
CAS: 117704-25-3
MF: C50H74O14
MW: 899.11
Product Specification
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Appearance |
White or off-white crystalline powder |
|
Identification |
IR: the infrared absorption spectrum of the sample complies with the reference standard. |
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HPLC: the retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
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Clarity and Color of Solution |
The solution is clear and not more intensely coloured than reference solution BY6. |
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Specific Rotation (on anhydrous basis) |
+11.0°~ +15.0° |
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Moisture |
≤ 3.0% |
|
Sulfated Ash |
≤ 0.1% |
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BHT |
≤ 0.2% |
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Related Substances |
Avermectin B1b ≤ 1.0% |
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Avermectin B1a ≤ 1.0% |
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Any single impurity ≤ 1.0% |
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Total impurities ≤ 5.0% |
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Heavy Metals |
≤ 20ppm |
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Residual Solvents |
Ethanol ≤ 5000ppm |
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Methanol ≤ 3000ppm |
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Acetone ≤ 5000ppm |
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Ethyl acetate ≤ 5000ppm |
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Assay (on anhydrous basis) |
≥ 95.0% |
