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西咪替丁 |
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序号 | km-751 |
产品名称 | 西咪替丁 |
CAS号 | 51481-61-9 |
详细介绍
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Product Name:Cimetidine Synonyms:2-Cyano-1-methyl-3-(2-(((5-methylimidazol-4-yl)methyl)thio)ethyl)guanidine Cas No.:51481-61-9 Molecular Formula:C10H16N6S Molecular Weight:252.34 Appearance:White or off- white crystalline powder Assay( dry basis):99.0%min Absorption coefficient:E(1% 1cm) 751-797 Identification: IR Positive reaction:Complies Chloride:Complies Related substances Single impurity: 0.20%max Total impurity: 1.00%max Loss on drying:0.50%max Residue on ignition:0.10%max Heavy metal:10ppm max Package: 25kg/fibre drum |