Investigation on the molecular formula of crystal rotundin sulphate by physico-chemical method

Study on molecular structure of rotundine sulfate, which was synthesized from rotundine (L-Tetrahydro palmatine), by physical and chemical method as UV, IR, aD, toC, LC/MS... was carried out. The results showed that: The molecular structure of rotundine sulfate was [C21H25NO4].H2SO4.