CAS 4423-37-4 appears in our catalog under these names: Syringetin, min. 95 %, 10 mg, Syringetin, Syringetin/ 98%, Syringetin, 99.42%, Syringetin, min. 95 %, 5 mg. Offered by: Roth, TRC, TargetMol, GLPBio, Biosynth. Available pack sizes: 10mg, 100mg, 1mg, 5mg, 25mg, 50mg, 10 mg, 5 mg.