The molecule is an alpha-amino-acid anion that is the conjugate base of 3-sulfino-L-alanine, arising from deprotonation of the sulfino and carboxy groups and protonation of the amino group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a 3-sulfino-L-alanine. It is a conjugate acid of a 3-sulfinato-L-alaninate(2-).
(2R)-2-azaniumyl-3-sulfinatopropanoate