Name2-Pyrazinecarboxamide,N-[2-[4-(aminosulfonyl)phenyl]ethyl]-5-methyl-, sodium salt (1:1) CAS84522-34-9 SynonymsPyrazinecarboxamide,N-[2-[4-(aminosulfonyl)phenyl]ethyl]-5-methyl-, monosodium salt (9CI) EINECS(EC#)283-029-3 Molecular FormulaC14H16 N4 O3 S . Na Molecular Weight343.35661