molecular entity monosodium glutamate An organic sodium salt that is the monosodium salt of glutamic acid. C5H8NNaO4 CHEBI:64220 CiteXplore:22293291 InChI=1S/C5H9NO4.Na/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);/q;+1/p-1 InChIKey=LPUQAYUQRXPFSQ-UHFFFAOYSA-M MSG Reaxys:17003240 [Na+].[NH3+]C(CCC([O-])=O)C([O-])=O chebi_ontology sodium 2-ammoniopentanedioate sodium 2-azaniumylpentanedioate sodium glutamate