Topiramate/ topamax

• Product NameTopiramate/ topamax
  CAS No.97240-79-4
  Purity99% for Topiramate
  Min Quantity500Kilograms
  Price80~150
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  Molecular Structure

Detailed Description

Topiramate Specifications
1. Best quality
2. Competitve price
3. Assay min98%
4. In stock
Topiramate,Mcn-4853,Topamax
Topiramate
1. CAS RN: 97240-79-4
2. Structural Formula: 97240-79-4 topiramate
3. Molecular formula & Molecular weight: C12H21NO8S 339.37
4. Appearance: It's a white to off-white powder. Freely soluble in dichloromethane
5. Quality Standard: USP32, purity ≥ 98.0%
6. Usage: It's a new drug of anticonvulsants.
7. Storage: It stored in sealed containers, cool and dry place, and away from light.
8. Packing: Paper bucket, 25kg/package.
9. HS CODE: 2932 9990.90
Topiramate is a white crystalline powder. It is a derivative of the naturally-occurring monosaccharide D-fructose. It is freely soluble in acetone, chloroform, dimethylsulphoxide, and ethanol. The solubility of topiramate in water is 9.8mg/ml.
Topiramate is an anti-epileptic drug
Items of Analysis Test Results Results
Appearance White to off-white powder. Complies
Identification Infrared Absorption Complies
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 Complies
Specific rotation Between -28.6°and -35.0°,measured at 20° -32.50°
Water ≤0.5% 0.19%
Residue on ignition ≤0.1% 0.06%
Heavy metals ≤10ppm Complies
Related compounds by HPLC Fructose not more than 0.3% Fructose 0.06%
Compound A not more than 0.3% Compound A 0.06%
Other individual impurity not more than 0.1% Individual impurity 0%
Total impurities not more than 0.5% Total impurities 0.14%
Limit of sulfamate and sulfate Sulfamate ion not more than 0.10% Complies
Sulfate ion not more than 0.10% Complies
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. 99.4%
Conclusion The material complies with respect to USP33
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• Topiramate/ topamax