Appearance

Light yellow to brown powder

Identification: RT(HPLC)

Conform with reference standard

Assay by HPLC

(on dried basis)

98.0%-102.0%

Purity

≥99%

Any single unknown impurities

≤0.5%

Total impurities

≤1.0%

Loss on drying

≤1.0%

Residue on ignition

≤1.0%