Sulfo-Cyanine7.5isanearinfrared,sulfonatedcyaninedyewithrigidizedtrimethylenechain.Thefluorophoreisstructurallyverysimilartoindocyaninegreen(ICG)dyethathasbeenapprovedforhumanuse.However,thedyehasanimprovedquantumyieldbecauseofitsrigidizedstructure.
ThisisanalkynederivativeforcoppercatalyzedClickchemistry.
Generalproperties
Appearance: | darkcoloredsolid |
MassspecM+increment: | 1005.2 |
Molecularweight: | 1120.46 |
Molecularformula: | C48H48N3K3O13S4 |
Solubility: | goodinwater,DMSO,DMF |
Qualitycontrol: | NMR1H,HPLC-MS(95%) |
Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. |
Spectralproperties
Excitationmaximum,nm: | 778 |
ε,L⋅mol−1⋅cm−1: | 222000 |
Emissionmaximum,nm: | 797 |
CF260: | 0.09 |
CF280: | 0.09 |