... No:56-12-2 4. Assay: more than 20% Gamma aminobutyric acid, GABAChemical Name: 4-Aminobutyric acidCAS NO.:56-12-2Chemical ... formula: C4H9NO2Molecular Weight : 103.12 γ-Aminobutyric acid (GABA), is the chief inhibitory neurotransmitter in the mammalian ... the scientific or medical communities, because the term "amino acid," used without a qualifier, conventionally refers to the alpha ...