L-Lactic acid-13C1 (L-E-270-13C1) sodium (20% in water) is the 13C-labeled L-Lactic acid sodium (HY-W040233). L-lactate Sodium is a buildiing block which can be used as a precursor for the production of the bioplastic polymer poly-lactic acid. L-Lactic acid Sodium has antiproliferative activityy[1][2][3].