Sulfo-Cyanine3maleimideisawatersoluble,thiolreactivedyeforthelabelingwithhydrophilicsulfo-Cyanine3fluorophore.ThisisananalogofCy3®maleimide.
ThisproductisrecommendedforthelabelingofantibodiesandotherlABIleproteinsinmild,purelyaqueousconditions.Thedyeiswatersolubleanddoesnotrequireuseoforganicco-solvent.
Anon-sulfonatedCyanine3maleimideisavailable.
Generalproperties
| Appearance: | redpowder | 
| Molecularweight: | 776.96 | 
| Molecularformula: | C36H41KN4O9S2 | 
| Solubility: | solubleinwater,DMF,DMSO | 
| 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 |