Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: +86-551-65418695
Tel: 0086-551-65418671
Tel: 0086-551-67199489
Tel: 0551-65418672
Tel: +86 551 6541 8675
Tel: +86-551-65418676
Tel: 0551-65418684
Tel: 0086-551 65418681
Tel: 055165418684
Tel: 0086-551-65418684
Tel: 0086 551-67199490
Mobile: 0086-551-18225849144
Tel: +86-551-65418695
Fax: +86-51-65418697
Province/state: Anhui
City: Hefei
Street: B911 Xincheng Business Center, Qianshan Road, Hefei Anhui China
MaxCard:
CAS NO.97240-79-4
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. |