PhenoVue™ HypoxiTRAK™ is a cell-permeable hypoxia indicator and is part of Revvity’s portfolio of cellular imaging reagents. It exhibits far-red fluorescence and is validated for use in imaging microscopy and high-content screening applications. PhenoVue HypoxiTRAK exhibits a maximum excitation wavelength at 647 nm and a maximum emission wavelength of 697 nm.