Topiramate 97240-79-4 Topamax
97240-79-4 Topiramate
Topiramate in stock
High quality Topiramate
Topiramate powder
TESTING SPECIFICATION |
USP 32 |
ITEM TESTED |
STANDARD |
Appearance |
White to off-white powder. Freely soluble in dichloromethane |
Identification |
Infrared Absorption |
The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation , as obtained in the Assay |
|
Specific rotation |
Between -28.6° and -35.0°,measured at 20° |
Water |
Not more than 0.5% |
Residue on Ignition |
Not more than 0.1% |
Heavy metals |
Not more than 10ppm |
Related compounds by HPLC (Test 1) |
Fructose not more than 0.3% Compound A not more than 0.3% Other individual impurity not more than 0.1% Total impurities not more than 0.5% |
Limit of sulfamate and sulfate |
Sulfamate ion not more than 0.10%; Sulfate ion not more than 0.10%. |
Assay |
Topiramate contains not less than 98.0% and not more than the equivalent of 102.0% of C12H21NO8S, calculated with reference to the Anhydrous Basis. |
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