CAS 31721-95-6 appears in our catalog under these names: 3,5,7–Trihydroxychromone, 3,5,7-Trihydroxychromone, 3,5,7-Trihydroxychromone, 99.98%. Offered by: GLPBio, Biosynth, Chemat, MedChemExpress. Available pack sizes: 5mg, 25mg, 10mg, 50mg, 5 mg, 1 mg.