产品详情
Cas 号: | 【951-78-0】 | M D L: | MFCD00006527 |
分子式: | C9H12N2O5 | 分子量: | 228.2 |
别 名: | 2'-脱氧尿甙, 2'-脱氧尿嘧啶核苷 | ||
分子结构式: | |||
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性 状: | 水中溶解度: 300g/L(20℃)。 |
质量标准: | 外观Appearance 白色结晶粉末 溶液澄清度与色泽Clarity: 无色、澄清 红外光谱鉴别Infrared spectrometry 符合 纯度Purity (HPLC) ≥99.0% (面积归一法) 含量Assay (UV ): 99.0% (以干品计) 熔点Melting point 164℃~168℃ 比值 (abs. max. 262nm,ε=9,ε=10,000±2%, PH7): A250/A260 0.70~0.74 A280/A260 0.33~0.43 比旋光度Specific rotation [a]20/D +50 ~ +54 °(C=1, W/V in NaOH) 干燥失重Loss on drying ≤1.0% 灼烧残渣Residue On Ignition ≤0.1% 重金属Heavy Metals(as pb): ≤10ppm |
贮 存: | 室温保存 |
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