Doramectin 95%min Pharmaceutical Veterinary for Antiparasitic made in china CAS NO.117704-25-3

Doramectin

Appearance

White or off white crystalline powder

Identification 

HPLC:Retention time of principal peak of sample conforms to that of reference standard

IR:Spectrum of sample conforms to that of reference standard

Specific optical rotation

(substance without water and residual solvents)

+55° ~ +65°

Clarity&Colour of solution

Solution should be clear,and its colour depth isn't more than the BY6

Water

≤3.0%

Heavy metals

≤20ppm

Sulfated Ash

≤0.1%

Related substances

Impurity1 :    ≤0.8%

Impurity2:     ≤1.5%

Impurity3:     ≤1.2%

Impurity4:     ≤0.5%

Impurity5:     ≤1.0%

Any Impurity:  ≤0.8%

Total Impurity:  ≤5.0%

Assay(substance without water and residual solvents)

≥95.0%

Residual solvents

Alcohol≤30000ppm

Acetone≤5000ppm