On Compton models of the isotropic X-ray background.

Investigation of the compatibility of recent X-ray background energy flux observations with Compton models of the isotropic X-ray background. It is shown that the spectral shape of the X-ray flux arising from Compton scattering of fast electrons on the microwave background radiation, contrary to a recent assertion, is not inconsistent with recent observations of the isotropic X-ray background.