colistimethate is a chemical compound registered under CAS number 12705-41-8, with the molecular formula 1729.7765 and a molecular weight of about 1749.8 g/mol. It is also known as Colistinmethanesulfonic acid (VAN); Colistinmethanesulfonic acid. CKSPharm supplies colistimethate for laboratory research and bulk production; product code 637517. Send an inquiry for purity, packaging, price and lead time.