Differential cross sections ͑DCSs͒ for elastic scattering of electrons from pyrimidine ͑C 4 H 4 N 2 ͒ are presented for incident energies from 50 to 300 eV. The measurements were performed using a cross beam technique, for scattering angles from 20°to 110°. The relative DCSs were measured as a function of both the angle and incident energy and the absolute DCSs were determined using the relative flow method. The calculations of electron interaction cross sections are based on a corrected form of the independent-atom method, known as the screen corrected additivity rule procedure and using an improved quasifree absorption model. Calculated results agree very well with the experiment.

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