WatersolublereagentwithalkynegroupforClickchemistry.Sulfo-Cyanine5isasulfonateddye,whichpossesseshighhydrophilicityandaqueoussolubility,exceptionallyhighextinctioncoefficient,goodquantumyield,andcompatibilitywithmanyinstruments.
Thisreagentisrecommendedfortheconjugationwithproteins,nanoparticles,andotherapplicationswherehydrophilicityisimportant.

| Appearance: | darkbluesolid |
| Molecularweight: | 717.94 |
| Molecularformula: | C35H40N3NaO7S2 |
| Solubility: | veryhighinwater,DMSO,DMF |
| Qualitycontrol: | NMR1H,HPLC-MS(95+%) |
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight. |
| Excitationmaximum,nm: | 646 |
| ε,L⋅mol−1⋅cm−1: | 271000 |
| Emissionmaximum,nm: | 662 |
| Fluorescencequantumyield: | 0.28 |
| CF260: | 0.04 |
| CF280: | 0.04 |
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