98%：

外觀Appearance                                 白色或類白色粉末或針狀結晶
紅外光譜鑒別Infrared spectrometry       符合
純度Purity                                       ≥98.0% (HPLC)
硫酸鹽灰分Sulfated ash                      <0.1 %
比旋光度Specific rotation [a]20/D       -235° ～ -245°(c=2, 0.1 MHCl)
干燥損失Loss on drying                     3 % ～ 5 % (105°C)

品級Grade                                         生物試劑級(suitable for fluorescence)  
外觀Appearance                                  白色至米黃色粉末
紅外光譜鑒別Infrared spectrometry        和對照匹配
純度Purity                                         ≥99.0% (HPLC)  
熔點Melting point                               220°C(dec.)
比旋光度Specific rotation [a]20/D         -225.0°～ -235.0°(C=2%,0.1 MHCl)
二氫奎寧硫酸鹽dihydroquinine sulfate    ≤10% (HPLC)
熒光波長fluorescence                          λex 347 nm; λem 448 nm in0.5 Msulfuric acid
熒光試驗分析suitability                      suitable for fluorescence