L-Tetrahydropalmatine

NatureStandard was founded with a mission to facilitate pharmaceutical research by providing high quality Reference Standards,Analytical Standards and related technical services including separation and manufacturing of components from Traditional Chinese Medicine (TCM) ,development of extraction technology , technical outsourcing service for Registration and Application of TCM (Plant Medicine) .Our products/services are quality-certified and delivered with care and pride from our home in Shanghai to clients worldwide.