BlueemittingCoumarin343dyecanformaFRETpairwithfluorescein(FAM).Anaminereactiveform,activatedNHSester.
Thisamine-reactiveNHSestercontainsanaminohexanoyllinkerbetweenthefluorophore,andthereactivegroup.Thislinkerprovidesbettersolubilityandspatialseparationbetweenthefluorophore,andthetargetmoleculebeinglabeled.
ThisreagentcanbeusedtodesignFRETbasedassayswithFAMasacceptor,andtoconstructsystemswhichharvestbluelightenergy.
Generalproperties
| Appearance: | yellowsolid |
| Molecularweight: | 495.52 |
| Molecularformula: | C26H29N3O7 |
| Solubility: | goodinDCM,DMSO,DMF |
| Qualitycontrol: | NMR1H,HPLC-MS(95%) |
| Storageconditions: | Storage:12monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. |
Spectralproperties
| Excitationmaximum,nm: | 437 |
| ε,L⋅mol−1⋅cm−1: | 44000 |
| Emissionmaximum,nm: | 477 |
| Fluorescencequantumyield: | 0.63 |
| CF260: | 0.29 |
| CF280: | 0.24 |