Methyl butyrate, also known under the systematic name methyl butanoate, is the methyl ester of butyric acid. Like most esters, it has a fruity odor, in this case resembling apples or pineapples
M 2008 (OTTO) Methyl butyrate Cas 623-42-7 - used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff fields.