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 |