项目 分析纯
(AR)
比旋光度Specific rotation [a]25/D -29.0°~-31.0°
干燥失重drying loss ≤0.3%
酸度Acidity(以H+计)/(mmol/100g) ≤5.0
乙醇溶解试验solubility in ethanol 合格
灼烧残渣Residue on ignition ≤0.05%
95%:
外观Appearance 白色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥95% (GC)
乙醇溶解试验solubility in CHCL3 合格(1 g/4.5 ml)
比旋光度Specific rotation [a]20/D -45.0 ~ -33.0°(C=2, Dioxane)
稳定剂abilizer 50 ~ 350 ppm alpha-生育酚
品级Grade 细胞培养级
(for cell culture, powder, ≥99%)
外观Appearance 白色至类白色粉末
核磁Proton NMR spectrum Conforms to Structure
纯度Purity ≥99.0% (GC)
熔点Melting point 147°C - 149°C
水溶解试验solubility in water soluble,0.002 mg/mL
氯仿溶解试验solubility in chloroform soluble,100mg/mL
水分water ≤1%(K.F)
细胞培养测试Cell culture test PASS
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