Biotium offers high quality amine-reactive succinimidyl ester (SE, or NHS-Ester) dyes used to label proteins, oligonucleotides, and nucleic acids. We offer Cyanine 555 (Cy3), Cyanine 647 (Cy5), Cyanine 680 (Cy5.5), and Cyanine 750 (Cy7) as high quality succinimidyl esters. Also see our CF Dye Succinimidyl Ester, available with more than 20 bright and photostable CF Dyes. Cyanine 680 is structurally identical to Cy5.5 from GE Healthcare. &lamba,Ex/&lamba,Em (water) = 681/698 nm Dark blue solid soluble in DMF and DMSO Store at -20C and protect from moisture and light C63H92N6O16S4 MW: 1318 Cy3, Cy5, Cy5.5, and Cy7 are registered trademarks of GE Healthcare.
Source:
Synthetic
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