[Description]

                                  white crystalline powder, odorless

Conform

[Identification]

A,B,C,D Conform

Conform      

[Appearance of solution]

=BY5

Conform

[Specific optical rotation]

-0.10°~+0.10°

+0.05°

=1.0%

0.5%

[Related substance]

single impurity=0.5%

One=0.2%

total impurities=1.0%

Total=0.5%

[Loss on drying]

=0.5%          .

0.2%

[Heavy metals]

=10mg/kg

<10mg/kg 

[Sulphated ash.]

=0.1%

0.06%

[Assay HPLC ]

99.0%~101.0%

99.5%

Conclusion:     All the test results conform to EP6