Malachite Green-d5 picrate (Standard) is the standard substance of Malachite Green-d5 picrate, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Malachite Green-d5 picrate is a deuterated compound of Malachite Green picrate. Malachite Green picrate has a CAS number of 57704-66-2. Malachite green (Solid Green Crystals O) is an N-methylated diaminotriphenylmethane dye used for coloring.