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Gastrodin
Name:Gastrodin
CAS:62499-27-8
 MF:C13H18O7
 The detailed specifications are as below:

Item of testing  specification Result 
Characters  white Fine powder, odourless , tasteless Conform
melting point 153~156℃ 154.0~155.5℃
specific rotation -68°~-72° -70°
pH value 5.0-7.5 5.9
loss on drying ≦4.0% 2.5%
ignited residue ≦0.2% 0.1%
Heavy metals(ppm) ≦10ppm <10ppm
content 98.0~102.0% 101.4%
Conclusion Conforms