S-Sulfo-L-cysteine sodium salt

S-Sulfo-L-cysteine sodium salt is a research compound exhibiting weak agonist activity at metabotropic glutamate receptors mGluR1α and mGluR5a at high concentrations, alongside noted antioxidant properties. It is utilized in neuroscience research, particularly for in vitro studies investigating glutamatergic signaling pathways and oxidative stress models.