CaG FlAsH-EDT2, short for 2,2'-((4-(4',5'-Bis(1,3,2-dithiarsolan-2-yl)-3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-ylcarboxamido)-2-(2-morpholino-2-oxoethoxy)phenyl)azanediyl)diacetic Acid), is a new biarsenal ligands motifs used for fluorescent labeling of recombinant proteins in living cells.
