Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 6106-04-3, Whether you call it L-Glutamic Acid Monosodium Salt, L-Glutamic Acid Monosodium Salt , Monosodium L-Glutamate or MSG you can be assured the L-Glutamic Acid Monosodium Salt products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.