Sulfo-Cyanine7.5dicarboxylicacidisabifunctionalnearinfraredfluorescentdyewithtwocarboxylicacidgroups.
Thereagentisusefulasacross-linkerthatisNIRemitting.Thecarboxylicacidgroupscanbeactivatedbycarbodiimidechemistry.
ChemDrawformat
Generalproperties
Appearance: | darkgreensolid |
Molecularweight: | 1183.51 |
Molecularformula: | C50H53N2K3O16S4 |
Solubility: | goodinwater,DMF,DMSO |
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 |