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品 名:2-羟甲基-4-甲氧基-3,5-二甲基吡啶; 奥美拉唑羟基物;
Product Name: 4-Methoxy-3,5-dimethyl-2-hydroxymethylpyridine
CAS NO: 86604-78-6
质量标准:
验项目 Item 检验标准 Inspection Standard
外 观 Appearance 类白色或淡黄色结晶 off-white to light yellowish crystalline
干燥失重 Loss on drying ≤ 1.5%
总杂 Total impurity ≤ 1. 0%
单个杂质 Max. single impurity ≤ 0.3%
含量(G.C) Assay ≥ 99.00%
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产品名:2-巯基-5-甲氧基苯并咪唑
Product Name: 5-Methoxy-2-mercaptobenzimidazole
CAS NO: 37052-78-1
质量标准:
检验项目 Item 检验标准 Inspection Standard
外 观 Appearance 白色到类白色粉末 White to off-white to crystalline powder
熔 点 Melting point 255℃ ~259℃
干燥失重 Loss on drying ≤ 0.5%
灼烧残渣 Residue on ignition ≤ 0. 5%
杂质Impurity
单项杂质Max. impurity ≤ 0. 5%
总杂质Total impurity ≤ 0.5%
含量/ Assay (HPLC) ≥ 99.5%
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