Cyanine3dyeazideforClickchemistry,ananalogofCy3®azide.Cy3®isoneofthemostbroadlyusedfluorophoreswhichcanbedetectedbyvariousfluorometers,imagers,andmicroscopes.Duetoinherentlyhighextinctioncoefficient,Cyanine3isalsoeasilydetectedbynakedeyeongels,andinsolution.Thisisnon-sulfonateddyewhichrequiresorganicco-solvent(DMF,DMSO,orother)forefficientlabelinginwater.Water-solubleversionofthisreagentisalsoavailable.
Productisavailablebothassolidcompound,andas10mMsolutioninDMSOwhichisreadytouseinourrecommendedprotocol.
Cyanine3fluorescentpropertiesareidenticaltoCy3®,andsimilartoAlexaFluor546,andDyLight549.
Generalproperties
| Appearance: | redpowder/solution | 
| Molecularweight: | 575.19 | 
| Molecularformula: | C33H43ClN6O | 
| Solubility: | solubleinorganicsolvents(DMF,DMSO,dichloromethane),insolubleinwater | 
| Qualitycontrol: | NMR1HandHPLC-MS(95%) | 
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 555 | 
| ε,L⋅mol−1⋅cm−1: | 150000 | 
| Emissionmaximum,nm: | 570 | 
| Fluorescencequantumyield: | 0.31 | 
| CF260: | 0.04 | 
| CF280: | 0.09 |