Sulfo-Cyanine7carboxylicacidisnon-reactivewatersolublenearinfrareddye.
ThereagentisusefulasafluorescentMarkerinNIRrangewhenattachmenttoothermoleculesisnotdesired.Ithashighhydrophilicityandaqueoussolubility,improvedquantumyieldinNIRrange,andveryhighmolarextinctioncoefficient.
Thisreagentcontainsfreecarboxylicacidfunction.Pre-activatedactivatedester-sulfo-Cyanine7NHSesterisalsoavailable.

| Appearance: | darkgreenpowder |
| Molecularweight: | 730.87 |
| Molecularformula: | C37H43N2NaO8S2 |
| Solubility: | Goodinwater,DMF,DMSO.Lowinnon-polarorganicsolvents. |
| Qualitycontrol: | NMR1H,HPLC(95%) |
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight. |
| Excitationmaximum,nm: | 750 |
| ε,L⋅mol−1⋅cm−1: | 240600 |
| Emissionmaximum,nm: | 773 |
| CF260: | 0.04 |
| CF280: | 0.04 |
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