CAS 16904-96-4 appears in our catalog under these names: Phosphocholine chloride sodium salt hydrate, 95%, Phosphocholine Chloride Sodium Salt, Phosphocholine chloride sodium salt hydrate, Phosphocholine Chloride Sodium Salt [for Cholinesterase Substrate], >98.0%(N), Sodium 2-(trimethylammonio)ethyl phosphate chloride, 98%, 98%. Offered by: Combi-blocks, GLPBio, Biosynth, TCI, Chemat. Available pack sizes: 5g, 1g, 500mg, 250 mg, 500 mg.