Factory Location: Jinan,Shandong,China
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Sample Provided: no
Enterprise standard(USP32 version Pharmacopoeia)Appearance:Yellowish-orange to orange crystalline powder .No visible evidence of contamination by foreign matter. Heavy metals:Not more than 20ppmWater:14.5~17.0%Impurity A : ≤ 0.15%Impurity B : ≤ 0.40%Impurity C : ≤ 0.15% Chloride : Not more than 0.02%Sodium:5.5~6.0%Assay:98.0%~102.0% of C14H9N4NaO5 on the dried basisSingle biggest unknown impurities:≤0.10%Total impurities:≤0.60%