The molecule is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1 and 6 and a methoxy group at position 4. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line. It has a role as a metabolite and an antineoplastic agent. It is a member of xanthones, a polyphenol and an aromatic ether.
1,6-dihydroxy-4-methoxyxanthen-9-one