
Cy®3isabright,water-soluble,andpHinsensitiveorange-fluorescentdyethatcanbeexcitedusingthe532nmor555nmlaserlineandvisualizedwithTRITC(tetramethylrhodamine)filtersets.Cy3conjugatesgivelessbackgroundthanTAMRAandmostothercommonlyusedfluorescentdyes.
Cy®3azidecanbereactedwithterminalalkynesviaacopper-catalyzedclickreaction(CuAAC).Italsoreactswithstrainedcyclooctyneviaacopper-free“Clickchemistry”reactiontoformastabletriazoleanddoesnotrequireCu-catalystorelevatedtemperatures.Cy3isawater-soluble,brightfluorescentlabelthatcanbeusedinplaceofAlexaFluor555®,DyLight549®andotherdyesexcitableatawavelengthof532or555nm.
Forthedetectionoflowabundancetargetsorwheresignificantincreaseinsignalintensityisdesiredpleaseconsiderusingnextgenerationazidesprobescontaininganinternalcopper-chelatingmotif.
Learmmoreaboutnextgenerationazidesprobes
Thissulfonateddyeisalsoknownassulfo-Cyanine3Azide.Cy®DyeisatrademarkofGEHealthcare.
Abs/EmMaxima | 550/570nm |
Extinctioncoefficient | 150,000 |
Flowcytometrylaserline | 532or555nm |
Microscopylaserline | 532or555nm |
Spectrallysimilardyes | AlexaFluor®546,Atto™543,CF™555Dye,DyLight™549 |
Molecularweight | 850.92 |
CAS | N/A |
Solubility | Water,DMSO,DMF,MeOH |
Purity | >90%(HPLC) |
Appearance | Redsolid |
Storageconditions | -20C |
Shippingconditions | Ambienttemperature |