Since the discovery of quasars in papers often appeared and appear the assertions that the redshift quasar distribution includes a periodic component with the period \Delta z = 0.063 or 0.11 .
A statement of such kind , if it is correct , may manifest the existence of a far order in quasar distribution in cosmological time , that might lead to a fundamental revision all the cosmological paradigm .
In the present time there is a unique opportunity to check this statement with a high precision , using the rich statictics of 2dF and SDSS catalogues ( \sim 85000 quasars ) .
Our analysis indicates that the periodic component in distribution of quasar redshifts is absent at high confidence level .

Keywords : ( cosmology : ) large-scale structure of Universe , ( galaxies : ) quasars : general , catalogues , methods : data analysis .