The molecule is an S-substituted glutathione that is glutathione in which the mercapto hydrogen has been replaced by a sulfinyl group. It is a tripeptide, a L-cysteine derivative and a S-substituted glutathione. It is a conjugate acid of a glutathione S-sulfinate(2-).
(2S)-2-amino-5-[[(2R)-1-(carboxymethylamino)-1-oxo-3-sulfinosulfanylpropan-2-yl]amino]-5-oxopentanoic acid