The molecule is an organophosphonate oxoanion that is the conjugate base of [(1S)-1-acetamidoethyl]phosphonic acid, obtained by deprotonation of one of the phosphonate OH groups. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a [(S)-1-acetamidoethyl]phosphonic acid.
[(1S)-1-acetamidoethyl]-hydroxyphosphinate