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)