Very solublein water, freely soluble I chloroform and methanol, soluble in ethanol
Conforms
Melting point
115.0~120.0°C
116.0~117.5°C
Specific optical rotation
-86° ~ -91°
-87°
D-levetiracetam
≤0.5%
ND
Loss on drying
≤0.50%
<0.1%
Residue on ignition
≤0.1%
<0.1%
Heavy metals
≤20ppm
<20ppm
Related substances:
Single impurity
≤0.5%
0.02%]
Total impurities
≤1.0%
0.03%
Residual solvents
Acetone ≤5000ppm
ND
Ethyl acetate ≤5000ppm
1139ppm
Toluene ≤890ppm
ND
Assay
≥99.5%
99.5%
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