CAS No.: 484-12-8 Formula: C15H16O3
Weight: 244.28600
Synonyms: Ostole; 7-Methoxy-8-(3-methylbut-2-en-1-yl)-2H-chromen-2-one; Ostol; 7-methoxy-8-isopentenoxycoumarin; 7-methoxy-8-(3-methylbut-2-en-1-yl)-2H-1-benzopyran-2-one
Osthol is an O-methylated coumarin. It is a calcium channel blocker, found in plants such as Cnidium monnieri, Angelica archangelica and Angelica pubescens.