Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 56-12-2, Whether you call it 4-Aminobutyric Acid, GABA , &#947, -Aminobutyric Acid or Piperidinic Acid you can be assured the 4-Aminobutyric Acid products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.