Cyanine3NHSesterisareactivedyeforthelabelingofamino-groupsinbiomolecules,ananalogofCy3®NHSester.Thisreagentisidealforthelabelingofsolubleproteins,peptides,andoligonucleotides/DNA.Fordelicateproteinsconsiderusingwater-solublesulfo-Cyanine3NHSesterwhichdoesnotrequireuseofanyco-solvent.
Cyanine3NHSesterisareplacementforNHSestersofCy3®,AlexaFluor546,andDyLight549.
Generalproperties
| Appearance: | redpowder |
| MassspecM+increment: | 474.2 |
| Molecularweight: | 641.5 |
| CASnumber: | 1032678-38-8,1032815-92-1 |
| Molecularformula: | C34H40N3BF4O4 |
| Solubility: | solubleinorganicsolvents(DMF,DMSO,dichloromethane),insolubleinwater |
| Qualitycontrol: | NMR1HandHPLC-MS(95+%) |
| Storageconditions: | Storage:12monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. |
Spectralproperties
| Excitationmaximum,nm: | 555 |
| ε,L⋅mol−1⋅cm−1: | 150000 |
| Emissionmaximum,nm: | 570 |
| Fluorescencequantumyield: | 0.31 |
| CF260: | 0.04 |
| CF280: | 0.09 |