4,4a-Dihydro-4,8-dihydroxy-6-hydroxymethyl-9-oxo-9H-xanthene-1-carboxylic acid methyl ester is a chemical compound registered under CAS number 58449-99-3. It is also known as Sydowinol. FireTardant supplies 4,4a-Dihydro-4,8-dihydroxy-6-hydroxymethyl-9-oxo-9H-xanthene-1-carboxylic acid methyl ester for laboratory research and bulk production; product code 1411486. Send an inquiry for purity, packaging, price and lead time.