CAS 538-58-9 appears in our catalog under these names: 1,5–Diphenyl–1,4–Pentadien–3–One, Dibenzylideneacetone, Dibenzylideneacetone 98%, 1,5-Diphenylpenta-1,4-dien-3-one, 98%, 98%, Dibenzylideneacetone, 99.71%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 100g, 500g, 1kg, 25g, 1000g, 5g, 10g, 5 g.