AminereactiveCyanine7,nearinfraredfluorescentdye,animprovedanalogofCy7®.
NIRfluorophorescanbeusedtotakeadvantageofnearinfraredwindowofBIOLOGicaltissues-increasedtransparencyoftissuesinthisspectralregionallowstocarryoutinvivoimaging.
ThisreagentcanbeutilizedtoproduceCyanine7-labeledbiomoleculesforsubsequentuseinvariousinvivoresearch,anddrugdesignrelatedexperiments.
ThestructureofCyanine7featuresrigidizeddesignofcentralpolymethynechain.Thismolecularreinforcementallowstoincreasequantumyieldby20%comparedwithparentstructure,increasingfluorescencebrightness.
Thisreagentrequiresorganicco-solventforthelabeling(pleaseseeRecommendedProtocolssectionbelow).Water-solubleCyanine7NHSesterisalsoavailable,andrecommendedforproteinNIRlabeling.
Generalproperties
| Appearance: | greenpowder | 
| Molecularweight: | 682.29 | 
| Molecularformula: | C41H48ClN3O4 | 
| Solubility: | solubleinorganicsolvents(DMSO,DMF,dichloromethane),lowsolubilityinwater | 
| Qualitycontrol: | NMR1H,HPLC-MS(95%) | 
| Storageconditions: | Storage:12monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 750 | 
| ε,L⋅mol−1⋅cm−1: | 199000 | 
| Emissionmaximum,nm: | 773 | 
| Fluorescencequantumyield: | 0.3 | 
| CF260: | 0.022 | 
| CF280: | 0.029 |