Flubendazole CPV/EP 99%min supplier Pharmaceutical API Anti parasitic drugs Veterinary made in china CAS NO.31430-15-6

Characteristics

White or almost white powders

Identification

IR spectrum of sample conforms with RS

Total impurities

≤1.5%

Impurity A

≤0.25%

Impurity B

≤0.25%

Impurity C

≤0.25%

Impurity D

≤0.25%

Impurity E

≤0.25%

Impurity F

≤0.5%

Impurity G

≤0.25%

Any other impurity with a relative retention between 1.2 and 1.3

≤0.25%

Any other impurity

≤0.10%

Loss on drying

≤0.5%

Heavy metals

≤20ppm

Sulfated ash

≤0.1%

Residue solvents

Methanol: ≤3000ppm

Toluene: ≤890ppm

Formic acid:≤5000ppm

Acetic acid:≤5000ppm

Assay

99.0%~101.0%(on dried basis)