Barbituric acid

a white, crystalline, slightly water-soluble powder, C 4 H 4 N 2 O 3 , used chiefly in the synthesis of barbiturates.
a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3 Systematic name 2,4,6-trioxypyrimidine Also called malonylurea

barbituric acid bar·bi·tu·ric acid (bär’bĭ-tur’ĭk, -tyur’-)
An organic acid used in the manufacture of barbiturates.


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