We are Xi an Guanyu Bio-tech Co. based in xian , China. We are member of Tradekey.com since December, 2011. Our business is related to Health & Medicines industry and we specifically deal in Plant extract. Please find our product details below:Sell OxymatrineProduct Name: OxymatrineBotanical source: Sophora flavescens Ait.Specification: Oxymatrine >98%CAS NO: 16837-52-8Sell MatrineProduct Name: MatrineBotanical source: Sophora flavescens AitCAS NO: 519-02-8Molecular formula: C15H24N2OMolecular weight: 248.36Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.