CAS 1263-89-4 appears in our catalog under these names: Paromomycin sulfate, 95%, Paromomycin Sulfate, Paromomycin Sulfate, >95% (HPLC), Paromomycin Sulfate/ 99.86% (existing batch purity), Paromomycin Sulfate. Offered by: Combi-blocks, Chemat Brand, TRC, Dr. Ehrenstorfer, TargetMol. Available pack sizes: 1g, 25g, 5g, on request, 100g, 100mg, 500mg, 10mM (in 1ml dmso).