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 |