CAS No. 15686-71-2

Appearance	White or almost white,crystalline powder
Solubility	Sparingly soluble in water, practically insoluble in ethanol(96%)
Identification	IR spectrum should match with that of standard
PH	4.0~5.5
Water	4.0%~8.0%, determined on 0.300g
Specific Optical Rotation	+149°~+158° ( anhydrous substance )
Assay	95.0%~102.0% of C16H17N3O4S( anhydrous substance)
Related Substances
Impurity B	≤ 1.0% (compared to the area of the 2nd peak)
Any Other Impurity	≤ 1.0% (compared to the area of the 1st peak)
Total impurity	≤ 3.0%
Sulphated Ash	≤ 0.2%, determined on 1.0g
N, N-Dimethylaniline	Not more than 20 ppm

Molecular Formula: C16H17N3O4S
Molecular Weight: 347.39
Hazard Symbols: Xn
WGKGermany: 3
HS Code: 29419000

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