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Cy5.5dyesareamongthemostwidelyusedfluorescentlabelsforpreparingNIRfluorescentbioconjugates.Cy5.5conjugatesareverybright,photostable,andpHinsensitiveandproduceminimalautofluorescenceofbiologicalspecimensinthisregionofthespectrum.Withapeakexcitationat678nmandamaximumemissionat694nm,Cy5.5isspectrallyalmostidenticaltoothernear-IRdyes,includingDyeLight680™,IRDye™680dye,andAlexaFluor™680,andisidealformulti-colorapplications.
Thissulfonateddyeisalsoknownassulfo-Cyanine5.5NHSester.Cy®DyeisatrademarkofGEHealthcare.
| Abs/EmMaxima | 678/694nm |
| Extinctioncoefficient | 190,000 |
| Spectrallysimilardyes | AlexaFluor®680,IRDye®680RD,CF™680Dye,DyLight™680 |
| Molecularweight | 1039.18 |
| CAS | N/A |
| Solubility | Water,DMSO,DMF |
| Purity | >95%(HPLC) |
| Appearance | Bluesolid |
| Storageconditions | -20C |
| Shippingconditions | Ambienttemperature |