以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。

白色粉状结晶。在分子环状结构中有空穴，空穴内径0.7～0.8nm，与各种有机物可生成包埋化合物。
熔点：290-300 °C

96%:


外观Appearance                      白色结晶性粉末
纯度Purity                          >96.0% (HPLC)  
比旋度Specific rotation [a]20/D     +159.0 ～ +164.0°(C=1, H2O) (以干基计)
吸光度Absorbance                    
<0.100(15 g/L, 水, 260.0 nm) >水分Water                          
<14.0 % >鉴别                                呈正反应
灼烧残渣Residue On Ignition         ≤0.1%

备注：96%级别仅作为组织培养基用

98%:

外观appearance                      white powder
红外光谱IR spectrum                 Consistent with structure
纯度Purity                          >98.0% (HPLC)
比旋度Specific rotation [a]20/D     +161.0 ～ +165.0°(C=1, Water) (以干基计)
氨水溶解性solubility                clear colorless to faint yellow solution at 50mg/ml in 1M ammonium hydroxide
水分Water                          
<5.0 %>

品级Grade                            用于细胞培养, ≥98%  
                                  (for cell culture, ≥98%)
外观appearance                      white powder
红外光谱IR spectrum                 Consistent with structure
氨水溶解性solubility                clear colorless to faint yellow solution at 50mg/ml in 1M ammonium hydroxide
水分water content by karl fischer   ≤14% (10moles/mole)
purity by thin layer chromatography ≥98%
细胞培养测试cell culture test       pass