Muon radiative energy loss (in 1.0E06 cm^2/g) in urea (CO(NH%2#)%2#) with Z/A = 0.53284 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2687 0.1175 0.4701 0.8564 5. 0.3644 0.2904 0.4974 1.1522 10. 0.4436 0.4392 0.4825 1.3653 20. 0.5271 0.6015 0.4602 1.5889 50. 0.6408 0.8297 0.4360 1.9065 100. 0.7256 0.9913 0.4241 2.1410 200. 0.8064 1.1404 0.4181 2.3648 500. 0.9018 1.2939 0.4171 2.6128 1000. 0.9631 1.3881 0.4239 2.7751 2000. 1.0140 1.4543 0.4353 2.9035 5000. 1.0648 1.5128 0.4565 3.0342 10000. 1.0919 1.5405 0.4779 3.1104 20000. 1.1110 1.5579 0.5032 3.1721 50000. 1.1274 1.5717 0.5428 3.2418 100000. 1.1351 1.5773 0.5767 3.2892