Product :S-Carboxymethyl-L-Cysteine, Carbocistein Molecular Formula: C5H9NO4S Molecular Weight: 179.1904 Cas No: [2387-59-9 Chemical Name: S-Carboxymethyl-L-Cysteine, Carbocistein Structure Formula: Molecular Formula: C5H9NO4S Molecular Weight: 179.1904 Cas No: [2387-59-9]Characteristics: White crystals or crystalline powder . Slighytly acid tast. Very slightly soluble in water, practically ...