Sivelestat sodium Formula:C20H21N2NaO7S.4(H2O) Formula Weight:528.51 CAS Number:201677-61-4 Sivelestat sodiumSynonyms: Sivelestat sodium hydrate; N-[2-[[[4-(2,2-Dimethyl-1-oxopropoxy)phenyl]sulfonyl]amino]benzoyl]-(S)-glycine monosodium salt tetrahydrateFormula:C20H21N2NaO7S.4(H2O)Formula Weight:528.51CAS Number:201677-61-4 Sivelestat sodium, CAS:201677-61-4