ROX(rhodamineXakaR101)isahighlyfluorescent,andphotostablerhodaminedyeforvariousapplications.ROXlabeledoligonucleotideprobesareoftenusedinqPCR,andqPCRinstrumentshaveROXchannel.
Thisisreactivedyeforthelabelingofamino-groupsinpeptides,proteins,andamino-oligonucleotides.Puresingleisomer.
ThisdyecanreplaceAlexaFluor568,TexasRed.
Generalproperties
| Appearance: | darkcrimsonpowder | 
| MassspecM+increment: | 516.2 | 
| Molecularweight: | 631.67 | 
| CASnumber: | 117491-83-5 | 
| Molecularformula: | C37H33N3O7 | 
| Solubility: | goodinpolarorganicsolvents(DMF,DMSO),lowinwater | 
| Qualitycontrol: | NMR1H,HPLC-MS(80+%,balancemostlyfreecarboxylicacid) | 
| Storageconditions: | Storage:12monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 570 | 
| ε,L⋅mol−1⋅cm−1: | 82000 | 
| Emissionmaximum,nm: | 591 | 
| Fluorescencequantumyield: | 1.0 |