Cyanine5.5isafarredemittingdyeforinvivoimagingandapplicationsrequiringlowbackground.ThisCyanine5.5derivativecontainstetrazinemoietythatreactswithtrans-cyclooctenes,cyclopropenes,andsomestrainedcyclooctyneswiththeformationofstableconjugates.
Thislabelingreactionisextremelyfast,andcanbeusedinvivo.
Generalproperties
Appearance: | darkbluesolid |
MassspecM+increment: | 737.4 |
Molecularweight: | 911.96 |
Molecularformula: | C50H52N7F6OP |
Solubility: | goodinDCM,DMF,DMSO |
Qualitycontrol: | NMR1H,HPLC-MS(95%) |
Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. |
Spectralproperties
Excitationmaximum,nm: | 684 |
ε,L⋅mol−1⋅cm−1: | 209000 |
Emissionmaximum,nm: | 710 |
Fluorescencequantumyield: | 0.2 |
CF260: | 0.07 |
CF280: | 0.03 |