Non-activatedsulfo-Cyanine5carboxylicacid,watersolubledye.Thisdyeishighlyhydrophilicandwater-soluble.Non-sulfonatedanalogisavailable.
ThefluorophoreisanequivalentofCy5®carboxylicacid.
Forlabelingapplicationsconsiderusingpre-activatedsulfo-Cy5NHSester
Generalproperties
Appearance: | darkbluepowder |
Molecularweight: | 664.76 |
CASnumber: | 1121756-16-8,1144162-77-5 |
Molecularformula: | C32H37N2NaO8S2 |
Solubility: | Goodinwater,DMF,DMSO.Lowinnon-polarorganicsolvents. |
Qualitycontrol: | NMR1H,HPLC-MS(95%) |
Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight. |
Spectralproperties
Excitationmaximum,nm: | 646 |
ε,L⋅mol−1⋅cm−1: | 271000 |
Emissionmaximum,nm: | 662 |
Fluorescencequantumyield: | 0.28 |
CF260: | 0.04 |
CF280: | 0.04 |