- Min.Order :0 Metric Ton
- Purity: 99%
Keywords
increase memory keppra Levetiracetam
Quick Details
- Appearance:
- Application:pharmaceutical
- PackAge:
- ProductionCapacity:|Metric Ton|Day
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Superiority:
Levetiracetam
Synonyms: (S)-2-(2-Oxopyrrolidin-1-yl)butanamide
Molecular Formula: C8H14N2O2
Molecular Weight: 170.21
Contents: 97.0%~102.0%
Appearance: White or kind of white crystal power, odourlessness and amaroidal.
Details:
|
Item |
Specifications |
Results |
|
Appearance |
A white or almost white powder |
A white powder |
|
Identification |
IR: The infrared absorption of the test corresponds to the standard |
Comforms |
|
HPLC: The retention time of the major peak for levetiracetam from the sample solution corresponds to that of the levetiracetam S-enantiomer from the System suitability solution, as obtained in the test for limit of levetiracetam R-enantiomer |
Comforms |
|
|
Water |
≤0.5% |
0.1% |
|
Residue on ignition |
≤0.1% |
＜0.1% |
|
Heavy metals |
≤20ppm |
＜20ppm |
|
Enantiomeric purity |
≤0.8% |
ND |
|
Impurity B |
≤0.10% |
ND |
|
Related substances |
||
|
Pyridin-2-ol |
≤0.025% |
ND |
|
Levetiracetam acid |
≤0.3% |
ND |
|
Impurity A |
≤0.05% |
ND |
|
Any other individual impurity |
≤0.05% |
0.03% |
|
Total impurities |
≤0.4% |
0.03% |
|
Assay (calculated on anhydrous and free solvents basis) |
98.0%~102.0% |
99.5% |
|
Conclusion |
The results conforms with USP34 standards |
|
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