TEST

SPECIFICATIONS

RESULTS

Appearance

White to yellow crystalline powder

White crystalline powder

Identification

A. Should meet the requirement

Conforms

B. Should meet the requirement

Conforms

Impurity A

≤0.5%

N.D.

Impurity B

≤0.3%

0.075%

Loss on drying

≤0.5%

0.085%

Residue on Ignition

≤0.1%

0.045%

Residual solvent

Ethanol≤0.5%

0.026%

Ethyl acetate≤0.5%

N.D.

Tetrahydrofuran≤0.072%

N.D.

Heavy Metal

≤20ppm

Conforms

Assay

98.0%~102.0% (Calculated on the dried basis)

99.66%