The chemical formula is C21H24O9. The molecular weight is 420.4 g/mol. The product belongs to the stilbenoids, which is a class of natural water-soluble chemicals. The product is easily isomerised upon UV-B radiation.
The product shall be brown in colour and shall normally be powdered.
The product has a purity >97% as detected by high- performance liquid chromatography (HPLC) connected to UV /Vis detector at 310nm.
The product should be kept in darkness and at low temperatures for storage more than a few days (< -5°C).