CAS 2284-31-3 appears in our catalog under these names: 5,7-Dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-4H-chromen-4-one, Pratensein/ 99.72% (existing batch purity), PRATENSEIN, Pratensein 99%, Pratensein, 99.92%. Offered by: Chemat, TargetMol, GLPBio, Biosynth, Ambeed. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 2mg, 1 mg, 5 mg.