CAS 53850-34-3 appears in our catalog under these names: Thaumatin, Thaumatin - Mixture of Thaumatin O, Thaumatin I, Thaumatin II, Thaumatin IIIa, and Thaumatin IIIb, Thaumatins, 98.0%. Offered by: Biosynth, TCI, Chemat, MedChemExpress. Available pack sizes: 0,25kg, 500mg, 0,1kg, 250mg, 100mg, 1g, 0,5kg, 1000mg.