DiIC16(3) is a long-chain carbocyanine dye. Carbocyanine dyes are widely used as Di to label cells, organelles, liposomes, viruses and lipoproteins[2].
References
[1] Gan WB, et al. Multicolor "DiOlistic" labeling of the nervous system using lipophilic dye combinations. Neuron. 2000 Aug;27(2):219-25. DOI:10.1016/s0896-6273(00)00031-3 [2] S Mukherjee, et al. Endocytic sorting of lipid analogues differing solely in the chemistry of their hydrophobic tails. J Cell Biol. 1999 Mar 22;144(6):1271-84. DOI:10.1083/jcb.144.6.1271