ROX azide is an alkyne-reactive derivative of ROX (Rhodamine X, Rhodamine 101) dye. ROX is a red-emitting fluorophore possessing high brightness and fluorescence quantum yield. This reagent is a pure 5-isomer. It is used for labeling alkyne and cycloalkyne-containing biomolecules via copper-catalyzed and copper-free click chemistry reactions.
ROX azide, 5-isomer
Appearance: dark crimson powder / red solution Molecular weight: 616.71 CAS number: 2628213-67-0 Molecular formula: C36H36N6O4 Solubility: good in polar organic solvents (DMF, DMSO, alcohols), low in water Quality control: NMR 1H, HPLC-MS (95%) Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light.