SKU : ANS005


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Samples: 100% T/T or Western union
Commercial qty: 50% after order, 50% before delivery

Delivery time:
Samples: 1week
Commercial qty: 1-2weeks after getting payment

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CAS number


molecular formula





Items Specifications(EP) Specifications(USP)
Characteristics White or almost white crystalline powder White crystalline powder,odourless
Identification A.UV(≥2.0) A.IR
B.IR B.UV (≤3.0%)
C.D.chemical test C.Chemical test
Water solution A257≤0.35  
Melting point   279 to 284
Heavy metals ≤0.001%  
Loss on drying ≤0.5% ≤0.5%
Residue on ignition   ≤0.2%
Sulfated ash ≤0.1%  
Ordinary impurities   ≤2%
Organic volatile impurities   Complies
Residual solvents    
Methanol ≤0.3% ≤0.3%
Ethanol ≤0.5% ≤0.5%
Ethyl acetate ≤0.5% ≤0.5%
Assay(on the dried basis) 98.0 to 102.0% 98.0 to 102.0%

For epilepsy, generalized tonic-clonic seizures (grand mal), partial seizures (limited attack), complex partial seizures

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