Top quality Topiramate with best price 97240-79-4



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Top quality Topiramate with best price 97240-79-4
Top quality Topiramate with best price 97240-79-4
Top quality Topiramate with best price 97240-79-4
Top quality Topiramate with best price 97240-79-4
Top quality Topiramate with best price 97240-79-4
Top quality Topiramate with best price 97240-79-4
Top quality Topiramate with best price 97240-79-4

Top quality Topiramate with best price 97240-79-4

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From $183.30 / Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Product Description

    Product Description


Product Name: Topiramate

Synonyms:McN-4853; RWJ-17021; Topamax; 2,3:4,5-bis-O-(1-methylethylidene)-beta-D-fructopyranose sulfamate 
Molecular weight: 339.36

Molecular formula:C12H21NO8S
CAS No.: 97240-79-4

Appearance:White or colourless crystalline powder with characteristic odor

Topiramate,Topiramate powder

Anticonvulsant Powder Topiramate CAS 97240-79-4 Pure Topiramate

   Certification of Analysis



AppearanceWhite to off-white powder, Freely soluble in dichloromethaneWhite powder, Freely soluble in dichloromethane
IdentificationInfared AbsorptionComplies
The retention time of the major peak in the chromatogram of the Assay prepration corresponds to that in the chromatogram of the standard preparation, as obtained in the assaycomplies
Specific rotationBetween -28.6°and -35.0°, measured at 20°-32.8°
Waternot more than 0.5%0.12%
residue on ignitionnot more than 0.2%0.11%
Heavy metalsnot more than 0.001%complies
related compounds by HPLC(Test1)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%                       Fructose: 0.03%           Compound A: 0.04%     individual impurity 0             Total impurities: 0.07%
Particle size90% less than 350 micronscomplies
Limit of sulfamate and sulfateSulfamate ion not more than 0.10% Sulfate ion not more than 0.10%complies
Residual SolventMethylene Chloride not more than 250μg/gnot detected
Acetone not mor than 2500μg/g
Isopropanol not more than 5000μg/g
Ethanenitrile not more than 400μg/g
n-hexane not more than 290μg/g
Ethyl Acetate not more than 2500μg/g
Pyridine not more than 100μg/g
AssayTopiramate contains not less than 98.0% and not more than the equivalent of 102.0% of C12H21NO8S, calculated with reference to the Anhydrous Basis99.80%
ConclustionThe material complies with respect to USP35





-Topiramate is used to treat epilepsy in children and adults, and it was originally used as an 


  In children, it is indicated for the treatment of Lennox-Gastaut syndrome, a disorder that causes seizures

  and developmental delay. 

-Topiramate has been investigated for use in treating alcoholism,and obesity, especially to reduce binge


-Topiramate is also widely used to treat migraines due to the effect it has on the blood vessels in the brain 
-Topiramate is also used in clinical trials to treat post traumatic stress disorder 
-And recently. clinical reports indicate that Topiramate may have mood stabilizing properties. 


Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.


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Our Services


Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
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Q3:Which kind of payment terms do you accept?
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Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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