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Table of Contents > Health Dictionary > Ester


An organic compound containing the grouping, X(O)OR (X = carbon, sulfur, phosphorus, etc.; R = radical of an alcohol), formed by the elimination of H2O between the OH of an acid group and the OH of an alcohol group; usually written as in ethyl acetate (from acetic acid and ethyl alcohol), CH3COOC2H5 or CH3COOC2H5.
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