The IUPAC name for CH3CH2COOCH2CH3 is

Ethoxy ethen. This compund is the functional group of ethar (R-O-R)

Answer: the name is Ethylpropanoate

Explanation:

To name this compound, you start naming from the end.

CH3CH2COOCH2CH3

The CH2CH3 after the double oxygen is called Ethly while the parent chain is called propane (3 C). The double oxygen will replace the - e in the alkane to - oate

So combining it, we have Ethylpropanoate