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Levetiracetam Levetiracetamum 102767-28-2
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【Product Name】Levetiracetam
【Synonyms】 Levetiracetamum
【CAS No.】102767-28-2
【Assay】98.0%~102.0%
【Molecular Formula】C8H14N2O2
【Molecular weight】170.21
【Appearance】White or kind of white crystal power, odourlessness and amaroidal.
【Packing】1kg/bag, 5kg/bag, 25kg/drum or at customer's request.
【Storage】Tight container, protect from light
Quality standard
Item |
Specifications |
Assay |
98.0%~102.0% |
Appearance |
White or almost white powder |
Apearance of solution |
The solution is clear and not more intensely coloured than reference solution BY6(2.2.2) |
Identification |
Enantiomeric purity: complies with the for Enantiomeric purity |
IR: IR spectra of sample exhibit similar with levetiracetam standard spectra |
|
Loss on drying |
≤0.5% |
Sulphated ash |
≤0.1% |
Enantiomeric |
≤0.8% |
Heavy metals |
≤10ppm |
C Impurity C |
C Impurity ≤250ppm Other individual impurity ≤0.05% |
Related substances |
|
A Impurity A |
≤0.3% |
A Impurity B |
≤0.5% |
Other individual impurities |
≤0.5% |
Unknown total impurities |
≤0.1% |
Total impurities |
≤0.4% |
Residual solvents |
|
Methanol |
≤3000ppm |
Ethyl acetate |
≤5000ppm |
Ethanol |
≤5000ppm |
Methyene chloride |
≤500ppm |
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