Sulfo-Cyanine5.5NHSesterisanaminereactiveactivatedesterofsulfonatedfarredCyanine5.5fluorophore,ananalogofCy5.5®.Thisisareagentofchoiceforthelabelingofantibodies,sensitiveproteins,andotherswhichrequirereactionsinpurelyaqueousenvironment,orwithoutanysignificantadditionsoforganicco-solvents.
Thedyeiswellsuitablefornon-invasiveinvivoNIRimaging,andfortheapplicationsrequiringlowfluorescentbackground.
Generalproperties
| Appearance: | darkbluesolid | 
| MassspecM+increment: | 884.15 | 
| Molecularweight: | 1114.37 | 
| Molecularformula: | C44H42N3K3O16S4 | 
| Solubility: | goodinwater,DMF,DMSO | 
| Qualitycontrol: | NMR1H,HPLC-MS(95%) | 
| Storageconditions: | Storage:12monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 675 | 
| ε,L⋅mol−1⋅cm−1: | 195000 | 
| Emissionmaximum,nm: | 694 | 
| CF260: | 0.09 | 
| CF280: | 0.11 |