CAS 3258-07-9 appears in our catalog under these names: Diquafosol Impurity 13, 1-(a-D-ribofuranosyl)uracil 95%, 1-(a-D-ribofuranosyl)uracil, 97.0%, 1-(a-D-ribofuranosyl)uracil, 95%, 95%, 1-(a-D-ribofuranosyl)uracil, 95%. Offered by: Chemat Brand, Ambeed, MedChemExpress, Chemat, Fluorochem. Available pack sizes: on request, 50mg, 100mg, 250mg, 1g, 5g, 10mM/1mL, 250 mg.