5-chloro-4-methyl-2-nonyne is an organic compound with the molecular formula C11H19Cl. It belongs to the class of alkynes, which are hydrocarbons that contain at least one triple bond between two carbon atoms.
The name of the compound indicates that it has a chlorine atom (denoted by "chloro") attached to the fifth carbon atom of the carbon chain, a methyl group (-CH3) attached to the fourth carbon atom, and a triple bond between the second and third carbon atoms of the carbon chain. The carbon chain contains a total of nine carbon atoms (denoted by "nonyne" indicating nine carbons).
The structural formula of 5-chloro-4-methyl-2-nonyne can be written as:
CH3-C≡C-C(CH2)6-Cl
where the triple bond is represented by a "≡" symbol, and the carbon atoms are numbered according to the naming convention.