α-环糊精,10016-20-3,α-Cyclodextrin 95%含量: 外观Appearance 白色粉末 含量assay ≥95% 干燥失重 Loss on drying < 3.5% 炽灼残渣Residue On Ignition < 0.1% 重金属Heavy Metals < 10ppm 比旋度Specific rotation [a]20/D +145 °- +151 ° 98%: 外观Appearance 白色粉末 含量assay ≥98%(HPLC) 比旋度Specific rotation [a]20/D +148 - +160 °(C=1, H2O)(以干基计) 水分Water ≤14.5% 灼烧残渣Residue on ignition ≤0.05% α-环糊精,10016-20-3,α-Cyclodextrin 品级Grade 细胞培养级 (for cell culture, powder, ≥98%) 外观Appearance 白色粉末 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity ≥98.0% (HPLC) 熔点Melting point 235°C - 240°C 水溶解试验solubility in water soluble10 mg/mL 水分water ≤14.5%(K.F) 比旋光度Specific rotation [a]20/D +148.0°~ +160.0°(C=1, H2O)(以干基计) 细胞培养测试Cell culture test Pass |