Water-solubleCyanine5dyeazideforClickchemistry.Brightandphotostabledyewithredfluorescence.Thereagenthashighwatersolubility.Duetohighsolubilityandhydrophilicity,thedyecanbeusedforlabelingbiomoleculesinnative,purelyaqueousconditions.
Thisreagent,asopposedtocompetingproducts,issuppliedasanalkalinemetalsaltandnottriethylammoniumsalt.Therefore,itisapowderwhichiseasytohandleanddispense.
Sulfo-Cyanine5isananalogofCy5®,averypopularfluorophore,thereforethisreagentiscompatIBLetoawiderangeofstandardfluorescentinstrumentationsuchasimagers,platereaders,andmicroscopes.
Generalproperties
| Appearance: | darkbluecrystals | 
| Molecularweight: | 746.87 | 
| Molecularformula: | C35H43N6NaO7S2 | 
| Solubility: | veryhighinwater | 
| Qualitycontrol: | NMR1H,HPLC-MS(95%) | 
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight. | 
Spectralproperties
| Excitationmaximum,nm: | 646 | 
| ε,L⋅mol−1⋅cm−1: | 271000 | 
| Emissionmaximum,nm: | 662 | 
| Fluorescencequantumyield: | 0.28 | 
| CF260: | 0.04 | 
| CF280: | 0.04 |