CAS 299-27-4 appears in our catalog under these names: D-Gluconic Acid Potassium Salt, >95% (HPLC), Potassium gluconate, Potassium gluconate/ 99+%, Potassium Gluconate, Potassium D-gluconate, 99% . Offered by: TRC, TargetMol, Chemat, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 100g, 10g, 5g, 25g, 250g, 1kg, 1000g, 50g.