What are the physical and chemical properties of 5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxy-4H-chromen-4-one (CAS: 855-96-9)?

5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxy-4H-chromen-4-one has a crystalline form and a molecular weight of approximately 402.3 g/mol. It is poorly soluble in water but soluble in organic solvents like ethanol and acetone. This compound exhibits moderate reactivity due to its chromone structure, making it susceptible to oxidation. It is stable under normal laboratory conditions but should be stored in a cool, dark place to prevent photodegradation.