In the title compound. C16H11BrO3. the molecules adopt an E configuration with respect to the C=C double bond of the propenone unit. The 13 non-H atoms of the benzodioxole and propenone units are approximately coplanar (r. https://www.diegojavierfares.com/mega-super-Custom-Moulded-Cargo-Boot-Liner-Suits-Citroen-Grand-C4-Picasso-9-2006-On-Wagon-EXP-CARCRN00026-best-super/