Description: Mix-n-Stain™ Maxi Antibody Labeling Kits allow you to label 1 mg of antibody with one of our superior CF® dyes in 30 minutes without a purification step. CF®405L is a 405 nm-excitable orange fluorescent dye with Ex/Em at 395/545 nm. One labeling of 1 mg IgG antibody per kit.