31-O-Demethyltacrolimus is a chemical compound registered under CAS number 135635-47-1, with the molecular formula C43H67 N O12 and a molecular weight of about 789.99 g/mol. It is also known as 31-O-demethyl-FK506. ChemIBD supplies 31-O-Demethyltacrolimus for laboratory research and bulk production; product code 934143. Send an inquiry for purity, packaging, price and lead time.