sigmoidin B is a chemical compound registered under CAS number 87746-47-2, with the molecular formula C20H20 O6 and a molecular weight of about 356.36 g/mol. It is also known as (S)-2-[3,4-Dihydroxy-5-(3-methyl-2-butenyl)phenyl]-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one. TwoChem supplies sigmoidin B for laboratory research and bulk production; product code 823867. Send an inquiry for purity, packaging, price and lead time.