Antibiotic SF-1902A4b is a chemical compound registered under CAS number 80458-08-8, with the molecular formula C33H59N5O9 and a molecular weight of about 669.84 g/mol. It is also known as Cyclo[Gly-3-hydroxy*-2-methyl-1-oxoundecyl-N-methyl-L-Leu-L-Val-L-Ser-L-aThr-]; SF-1902A4b. NewsChem supplies Antibiotic SF-1902A4b for laboratory research and bulk production; product code 475258. Send an inquiry for purity, packaging, price and lead time.