Shen Yang Yada Synthesized Animal Drug Co., Ltd.

DESCRIPTION:

Almost   white crystalline powder.

SOLUBILITY:

H2O: 0.03mg/ml (PH: 5-12, 25°C).

IDENTIFICATION:

Test A, B, C, D conformed.

WATER:

Not more   than 0.5%.

MELTING POINT:

Between   296.0 to 303^oC.

RESIDUE ON IGNITION:

Not more   than 0.1%.

SELENIUM:

Not more   than 0.003%.

HEAVY METAL:

Not more   than 0.001%.

CHROMATOGRAPHIC PURITY:

Single impurity: not more than 0.5%.

Total impurities: not more than 1.0%.

PARTICLE SIZE:

ASSAY:

Between 98.0 to 101.0% of C₁₀H₇N₃S   (dried basis).