1,2,5,6-Tetrahydroxy-4-(1,1-dimethyl-2-propenyl)-9H-xanthene-9-one is a chemical compound registered under CAS number 13586-27-1. It is also known as 1,2,5,6-Tetrahydroxy-4-(1,1-dimethyl-2-propenyl)xanthone; Symphoxanthone. KingChemi supplies 1,2,5,6-Tetrahydroxy-4-(1,1-dimethyl-2-propenyl)-9H-xanthene-9-one for laboratory research and bulk production; product code 1260194. Send an inquiry for purity, packaging, price and lead time.