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2-methylpropanamide is an amide with the molecular formula C4H9NO. It has a central carbon atom bonded to a carbonyl group (C=O), a nitrogen atom, and two methyl groups (CH3). The structure can be represented as follows:
H3C-CH(CH3)-CO-NH2
The '2-methyl' prefix indicates that a methyl group is attached to the second carbon atom of the propanamide chain.
The amide group (-CONH2) is characterized by the carbon atom attached to both the carbonyl group and the nitrogen atom.
The molecule can exist as two enantiomers, due to the chiral carbon atom in the middle of the chain.