CAS 197720-53-9 appears in our catalog under these names: Exatecan mesylate dihydrate 95%, (1S,9S)-1-Amino-9-ethyl-5-fluoro-9-hydroxy-4-methyl-1,2,3,9,12,15-hexahydro-10H,13H-benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione methanesulfonate dihydrate, 95%, 95%, Exatecan (mesylate dihydrate). Offered by: Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 250mg, 1g, 50mg, Get quote.