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Metabolite Card

Note

Methyl nonanoate, also known as methyl pelargonate or 1-nonanecarboxylate, belongs to the class of organic compounds known as fatty acid methyl esters. Fatty acid methyl esters are compounds containing a fatty acid that is esterified with a methyl group. They have the general structure RC(=O)OR', where R=fatty aliphatic tail or organyl group and R'=methyl group. Methyl nonanoate can be obtained from the formal condensation of methanol and nonanoic acid. It is a colourless, oily liquid with a fruity, tropical or pear-like odour, used in perfumes and flavours. It has a waxy, wine-like, green celery flavour. Methyl nonanoate is a very hydrophobic molecule, with a high boiling point of 213 oC. It is practically insoluble in water with a measured water solubility of just 22.5 mgl/L. Outside the human body, methyl nonanoate is found in a number of foods including apples, bananas, blackberries, butter, blue cheese, grapes, hop oil, pineapples, baked potatoes, star fruit, strawberries, tobacco, vanilla and white wine. Methyl nonanoate exhibits nematicidal activity against root-knot and soybean cyst nematodes and was found to be toxic to nematodes at concentrations as low as 0.2 uL a.i./litre (PMID: 19274268).