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Topiramate |
1. Production name: Topiramate
2. Structural formula:
3. Molecular formula&Molecular weight: C12H21NO8S = 339.36
4. CAS.NO: 97240-79-4
5. Quality standard:
Determination |
Specifications |
Appearance |
A white or almost white crystalline powder |
Identification |
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HPLC |
Shall comply with approved tests |
IR |
Concordant with the reference standard |
Melting Point |
122~126°C |
Chloride |
Not more than 0.015% |
Specific optical rotation |
-29 °~ -33 ° |
Related substances |
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Impurity A |
Not more than 0.3% |
Unknown impurity |
Not more than 0.1% |
Total impurities |
Not more than 0.5% |
Heavy metals |
Not more than 10ppm |
Residue on ignition |
Not more than 0.1% |
Loss on drying |
Not more than 0.5% |
Assay |
98.0%~102.0% , on dry |
6. Package: 25kg/drum
7. Shipment quantity: no limit |
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