Antibiotic XK-41B1 is a chemical compound registered under CAS number 49669-75-2, with the molecular formula C46H82N2O16 and a molecular weight of about 919.14 g/mol. It is also known as Megalomicin B; Megalomycin A 4-O-acetate; W-847-B. NewsChem supplies Antibiotic XK-41B1 for laboratory research and bulk production; product code 476008. Send an inquiry for purity, packaging, price and lead time.