2-methylvaleric acid is a methyl-branched fatty acid that is pentanoic acid which carries a methyl group at position 2. It has a role as a flavouring agent, a fragrance and a plant metabolite. It is a monocarboxylic acid, a short-chain fatty acid, a branched-chain saturated fatty acid and a methyl-branched fatty acid. It is a conjugate acid of a 2-methylvalerate.