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 |