CAS 5366-49-4 appears in our catalog under these names: 4-Toluenesulfonylacetone, 98%, p–Toluenesulfonylacetone, 1-Tosylpropan-2-one 95%, 1-Tosylpropan-2-one, 98%, 98%. Offered by: Fluorochem, GLPBio, Ambeed, Chemat. Available pack sizes: 1g, 5g, 25g, 100g, 50g.