CAS 18996-35-5 appears in our catalog under these names: Sodium dihydrogen citrate, 95%, Sodium dihydrogen citrate, 99% , Citric acid, monosodium salt, 99%, for analysis, anhydrous, Citric acid, monosodium salt, 99%, pure, anhydrous, Sodium dihydrogen citrate anhydrous, 99.00%. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros), Chemat, Ambeed. Available pack sizes: 100g, 500g, 1kg, 5g, 25g, 2000g, 250g, 2.5KG.