CAS 572-32-7 appears in our catalog under these names: Ayanin, Ayanin/ 98.9% (existing batch purity), Quercetin 3,7,4'-trimethylether, Ayanin, 98%, 98%, Ayanin, 98.18%. Offered by: GLPBio, TargetMol, Biosynth, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 200mg, 5 mg.