Isoamyl formate, also known as isopentyl formate, is an ester formed from isoamyl alcohol and formic acid, with the formula C6H12O2.

It is a colorless liquid with a fruity odor of plum or blackcurrant.

Isoamyl formate is found in nature in the plant Plectranthus glabratus.

[1] It occurs in the following foods and drinks: avocado, beer, cheese, grape brandy, honey, pineapple, Mangifera (a plant genus including mangos), plum, quince, cider, rum, sea buckthorn, strawberry, tea, tequila, vinegar, and wine.

[4] Isoamyl formate is used as an aroma compound and artificial flavoring, for its odor of plum or blackcurrant.