DL-3-Phenyllactic acid (Standard) is the standard substance of DL-3-Phenyllactic acid, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. 3-Phenyllactic acid (PhLA) is a broad spectrum antimicrobial compound active against bacteria and fungi, DL-3-Phenyllactic acid (3-Phenyllactic acid) is a reagent involved in biological studies of nantioselectivity of lipase in transesterification and oxidation by glycolate oxidase and catalase.