1331907-56-2

S-Methyl-L-cysteine-d3 is labelled S-Methyl-L-cysteine (M294657) which is a substrate in the catalytic antioxidant system mediated by methionine sulfoxide reductase A (MSRA). S-Methyl-L-cysteine has been studied as a theurapeutic for neurodegenerative diseases including Parkinson′s.