Areactivedyewithamaleimidegroupforthelabelingofthiolgroupsofproteinsandotherbiomolecules,ananalogofCy7®maleimide.
Sulfo-Cyanine7isanearinfraredfluorophorewhichishydrophilicandcontainsarigidizingringinitsheptamethinechainthatimprovesitsphotophysicalproperties.Agreatdyeforvariousapplications,includingNIRimaging.
Generalproperties
| Appearance: | darkgreenpowder | 
| MassspecM+increment: | 868.2 | 
| Molecularweight: | 869.10 | 
| Molecularformula: | C43H49KN4O9S2 | 
| IUPACname: | 1-[2-(6-{2-[(E)-2-[(E)-3-{(E)-2-[1-Methyl-3,3-dimethyl-5-(oxysulfonyl)-2-indolinylidene]ethylidene}-1-cyclohexen-1-yl]ethenyl]-3,3-dimethyl-5-(oxysulfonyl)-3H-indol-1-yl}hexanoylamino)ethyl]-1H-pyrrole-2,5-dione,potassiumsalt | 
| Solubility: | Goodinwater,DMF,DMSO.Lowinnon-polarorganicsolvents. | 
| Qualitycontrol: | NMR1H,HPLC-MS(95%) | 
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 750 | 
| ε,L⋅mol−1⋅cm−1: | 240600 | 
| Emissionmaximum,nm: | 773 | 
| CF260: | 0.04 | 
| CF280: | 0.04 |