1,2,5-Trihydroxyxanthone has antioxidative properties.

156640-23-2

C13H8O5

244.2

1,2,5-Trihydroxyxanthone

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years