Product Name: Polydatin Synonym(s): Piceid. 3-O-β-D-Glucopyranoside Specification:98%(By HPLC) CAS Registry Number: 27208-80-6 Molecular Formula: C20H22O8 Molecular Weight: 390.389 Molecular structure: Biological Source: Isol. from Polygonum cuspidatum. Physical Description: off white powder![]()