From the chloroform extract of the defatted seeds of jute a new coumarin $C_9H_6O_4$, $m.p.;178-179^{circ}C$, was isolated. The structure of the compound was established as 4,7-dihydroxy coumarin on the basis of physical methods viz. $^1H;NMR,;^{13}C;NMR$ and Ms.