Appearance

Off-white powder  

Solubility

Soluble in methanol

Identification by UV

The 0.001% methanol solution of this product has the maximum absorption at

262±2nm

Loss on drying

≤ 1.0%

Related substances

The max. single impurity ≤0.5%

Total impurities ≤1.0%

Assay

98.0%~102.0%

(calculated on the dried basis)