Appearance
White powder with lumps
conforms

Specific rotation[α]20/D
(C=10 in MeOH)
-2.5º ± 1º
-2.0º

Water(KF)
Not more than 1.0%
0.45%

Assay
98.0 to102.0%
99.0%

Conclusion
The product conforms to the standard.