FreeunactivatedCyanine7dyecarboxylicacid.Near-infraredfluorescentdye.
Forcouplingandlabelingreactionsalsoconsiderusingpre-activatedCyanine7NHSester,orwater-solublesulfo-Cyanine7NHSester.
ChemDrawformat
Generalproperties
Appearance: | greenpowder |
Molecularweight: | 585.22 |
CASnumber: | 1628790-40-8 |
Molecularformula: | C37H45ClN2O2 |
Solubility: | solubleinorganicsolvents(DMSO,DMF,dichloromethane),lowsolubilityinwater |
Qualitycontrol: | NMR1H,HPLC-MS(95%) |
Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. |
Spectralproperties
Excitationmaximum,nm: | 750 |
ε,L⋅mol−1⋅cm−1: | 199000 |
Emissionmaximum,nm: | 773 |
CF260: | 0.022 |
CF280: | 0.029 |