Withitsquantumyieldapproachingunity,ROXhasbecomeapopulardyeforqPCRandmicroscopy.Thisbrightfluorophoreisavailableasanalkyneforcopper-catalyzedClickchemistryreaction.
Thisisapure5-isomerofROX.
ROXispronetooxidation.Therefore,itsderivativesshouldbepreferablystoredininertatmosphere.
Generalproperties
| Appearance: | purplesolid | 
| MassspecM+increment: | 571.3 | 
| Molecularweight: | 571.66 | 
| Molecularformula: | C36H33N3O4 | 
| Solubility: | goodinDMSO,DMF,methanol,ethanol | 
| Qualitycontrol: | NMR1H,HPLC-MS(95%) | 
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 570 | 
| ε,L⋅mol−1⋅cm−1: | 80000 | 
| Emissionmaximum,nm: | 591 | 
| Fluorescencequantumyield: | 1.00 |