Category:Esters
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In organic chemistry and biochemistry esters are the functional group (Rī-COOR") consisting of an organic radical united with the residue of any oxygen acid, eigher organic or inorganic. An ester is a product of the reaction of an acid (usually organic) and an alcohol (the hydrogen of the acid R-COOH is replaced by an alkyl group R").da:Kategori:Ester