CAS 19455-20-0 appears in our catalog under these names: Potassium Isobutyrate, Potassium isobutyrate, Potassium Isobutyrate, >98.0%(T), Potassium isobutyrate 98%, ISOBUTYRICACIDPOTASSIUMSALT, 98%, 98%. Offered by: TRC, GLPBio, TCI, Biosynth, Ambeed. Available pack sizes: 2,5g, 250mg, 500mg, 25g, 50g, 100g, 1g, 5g.