Pharmaceutical Intermediate CAS117704-25-3 Veterinary Raw Material Pure Doramectin powder
Product Name: Doramectin
Appearance: White powder
Purity: 99%
CAS No.: 117704-25-3
EINECS No.: 241-154-0
Molecular Formula: C50H74O14
Molecular weight: 899.11
Doramectin is used for the treatment and control of internal parasitosis (gastrointestinal and pulmonary nematodes), ticks and mange (and other ectoparasites).Doramectin is a derivative of ivermectin.Its spectrum includes:Haemonchus spp.,Ostertagia spp.,Trichostrongylusspp.,Cooperia spp.,Oesophagostomum spp.,Dictyocaulus viviparus,Dermatobia hominis,Boophilus microplus,Psoroptes bovis,among many other internal and external parasites.Doramectin is available in 2 dosage forms: as aninjection and as a 5 mg/ml topical solution.
Items
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Specification
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Results
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Appearance
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White crystalline powder
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pass
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Identification
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HPLC: the retention time of major peak of test solution should correspond to that of reference solution.
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conform
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IR: Sample spectrum corresponds to that of standard spectrum.
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conform
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Appearance of solution
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The solution is clear and not more intensely colored than reference solution BY6.
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conform
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Related substance
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Avermectin: NMT2.0%
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0.41%
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Total impurities: NMT5.0%
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2.57%
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Residual solvents
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Ethanol:NMT30000ppm
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15500ppm
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Acetone:NMT5000ppm
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5ppm
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BHT
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NMT2000ppm
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43ppm
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Sulphate ash
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NMT0.1%
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0.03%
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Water
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NMT3.0%
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1.6%
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Heavy metal
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NMT20ppm
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20ppm
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Assay
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≥95.0%
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99.1%
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