98%：

外观Appearance                                 白色或类白色粉末或针状结晶
红外光谱鉴别Infrared spectrometry       符合
纯度Purity                                       ≥98.0% (HPLC)
硫酸盐灰分Sulfated ash                      <0.1 %
比旋光度Specific rotation [a]20/D       -235° ～ -245°(c=2, 0.1 MHCl)
干燥损失Loss on drying                     3 % ～ 5 % (105°C)

品级Grade                                         生物试剂级(suitable for fluorescence)  
外观Appearance                                  白色至米黄色粉末
红外光谱鉴别Infrared spectrometry        和对照匹配
纯度Purity                                         ≥99.0% (HPLC)  
熔点Melting point                               220°C(dec.)
比旋光度Specific rotation [a]20/D         -225.0°～ -235.0°(C=2%,0.1 MHCl)
二氢奎宁硫酸盐dihydroquinine sulfate    ≤10% (HPLC)
荧光波长fluorescence                          λex 347 nm; λem 448 nm in0.5 Msulfuric acid
荧光试验分析suitability                      suitable for fluorescence