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Topamax raw material (97240-79-4)
Topamax raw material (97240-79-4)
Supplier Info
[China Supplier]
Contact Person : Mr. Yu Tiejun
Tel : 86-29-88193551
Fax : 86-29-88193353
Product Detail
topamax raw material Quality Standard: USP32, purity:>99.98% Packing: Paper bucket, 25kg/package                                                               Topiramate

1. CAS RN:  97240-79-4 

2. Structural Formula:

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%

 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.

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

Topamax raw material (97240-79-4)

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