MYOSEVERIN B MYOSEVERIN B is a chemical compound registered under CAS number 361431-27-8, with the molecular formula C27H32N6O2 and a molecular weight of about 472.59 g/mol. KingChemi supplies MYOSEVERIN B MYOSEVERIN B for laboratory research and bulk production; product code 685963. Send an inquiry for purity, packaging, price and lead time.