Morin or 2 ', 3,4', 5,7-pentahydroxy flavone is next Maklurin in Yellowwood of dyers mulberry ( Morus tinctoria ) included whose extract for wool dyeing and cotton print is important.
M 2357 (OTTO) Morin, GR Cas 480-16-0 - used to test for the presence of aluminium or tin in a solution, since it forms characteristically fluorescent coordination complexes with them.