Purity: 95%~99% Analysis Method: HPLC（DAD or ELSD） Identification Method: Mass、NMR Packing: 20mg、100mg、500mg、1g,or according to customer’s requirement Note: For research use only,not for human use directly Storage: Sealed storage in a cool and dry place(2-8℃), avoid light   Our main services:   1.Phytochemical reference standards from MG to G 2.Chinese herbal medicine compounds library for drug screening 3.Plant Extracts 4.Contract Research and Custom Isolation on demand If you need to order, have questions or comments, please contact us！