ITEM

SPECIFICATIONS

RESULTS

Appearance

White or almost white crystalline powder

Almost White crystalline powder

Identification

Complies with the spectrum of febantel CRS

Complies

Related substances

(HPLC)

Impurity A  ≤0.1%

＜0.05%

Impurity B ≤0.1%

0.05%

Impurity C ≤0.1%

＜0.05%

Any unspecified impurity ≤0.2%

＜0.05%

Total impurities ≤0.5%

0.0%

Loss on Drying

≤0.5%

0.06%

Sulphated Ash

≤0.1%

0.05%

Heavy Metals

≤20ppm

＜20ppm

Assay(HPLC)

97.5%～102.0%

(Calculated on the dry basis)

99.5%

Residual solvents

Methanol ≤ 3000 ppm

440ppm

Storage

Protected from Light ,Kept in Closed Container

Conclusion: It conforms to the requirements of EP.