4-(4-n-Heptylbenzoyloxy)benzoic Acid

In the title compound, C₂₁H₂₄O₄, the molecules exist as hydrogen-bonded dimers. The hydrogen bonds occur pairwise, involve the carboxylic acid groups and are of the form C=O...HO—C. The O...O distances are 2.53 (1) and 2.59 (1) Å.

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