Reported found in apple, roasted barley, beef, prefermented bread, Camembert cheese, Emmenthal cheese,
roasted cocoa beans, dry cured ham, hops, roasted pecans, rum, soybeans, black tea, wine, guava, papaya, strawberry fruit and jam,
baked potato, bell pepper, tomato, many cheeses, fish, beef, mutton, hop oil, mushrooms, mango, rice, sake, malt, wort, dried bonito
and mussels
4-Methylvaleric acid has been used in asymmetric synthesis of (4S)-4-isopropyl-3-[(2?S)-2?,4?-dimethyl-valeryl)]-2-oxazolidinone. It is a versatile building block used in the synthesis of various pharmaceutical and biologically active compounds, including inhibitors and antagonists. It is involved in the synthesis of novel series of high affinity, functionally potent antagonists of the CCR1 receptor.