Main Page | See live article | Alphabetical index In chemistry, an alkyl is a univalent aliphatic hydrocarbon radical ( CnH2n+1). Alkyl is a hydrocarbon radical derived from alkanes ( CnH2n+2) by removal of one hydrogen atom. Examples are :CH3- methyl; C2H5- ethyl, C3H7- propyl... See also: transesterification, alkene. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.