Watersolublesulfo-Cyanine3dye,freeunactivatedmonofunctionalcarboxylicacid.ThisreagentcanbeusedasareferencefluorophoreforCy3®detectionchannel,asacontrolinexperimentswithothersulfo-Cyanine3labeledproducts.Carboxylicacidcanbealsoactivatedwithcarbodiimides.
AbsorbanceandemissionspectraareidenticalwithCy3®fluorophore.
Generalproperties
Appearance: | darkredcrystals |
Molecularweight: | 638.17 |
Molecularformula: | C30H35N2NaO8S2 |
Solubility: | Goodinwater,DMF,DMSO.Lowinnon-polarorganicsolvents. |
Qualitycontrol: | NMR1H,HPLC-MS(95%) |
Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight. |
Spectralproperties
Excitationmaximum,nm: | 548 |
ε,L⋅mol−1⋅cm−1: | 162000 |
Emissionmaximum,nm: | 563 |
Fluorescencequantumyield: | 0.1 |
CF260: | 0.03 |
CF280: | 0.06 |