Awatersolubledyewithaminogroup,usefulfortheconjugationwithelectrophiles,andforenzymatictransaminationlabeling.
Sulfo-Cyanine3isasulfonatedanalogofCy3®,whichiscompatIBLewithvariousfluorescencemeasuringequipment.Thedyeishighlyphotostable.Itisalsoeasilydetectablebynakedeye.
Generalproperties
| Appearance: | darkredsolid |
| Molecularweight: | 714.94 |
| Molecularformula: | C36H50N4O7S2 |
| Solubility: | goodinwater,alcohols,DMSO,DMF |
| Qualitycontrol: | NMR1H,HPLC-MS(95%) |
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. |
Spectralproperties
| Excitationmaximum,nm: | 548 |
| ε,L⋅mol−1⋅cm−1: | 162000 |
| Emissionmaximum,nm: | 563 |
| Fluorescencequantumyield: | 0.1 |
| CF260: | 0.03 |
| CF280: | 0.06 |