|
ltems |
Inspection Standard |
Results |
|
Appearance |
White to off-white powder |
White powder |
|
Melting Point |
—— |
228.2-228.7℃(dec.) |
|
Specific Rotation [a]20 |
- 15.5~- 18° (C=1 in 1NHCI) |
- 17.29° |
|
Purity(TLC) |
One spot |
One spot |
|
Purity(HPLC) |
≥98.0% |
99.89% |
|
Related Substances |
S2.0% |
0. 11% |
|
Infrared detection |
According with CP2010 standard |
Consistent |
|
ldentification |
Reaction with CuSO4 in NaOH solution Reaction with 20% Acetic acid, Ninhydrin and NaOH solution |
Positive |
